Bug Summary

File:fs/nfsserver/nfs_nfsdport.c
Warning:line 3620, column 15
Copies out a struct with uncleared padding (>= 3 bytes)

Annotated Source Code

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clang -cc1 -triple x86_64-unknown-freebsd11.2 -analyze -disable-free -disable-llvm-verifier -discard-value-names -main-file-name nfs_nfsdport.c -analyzer-store=region -analyzer-opt-analyze-nested-blocks -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -mrelocation-model static -mthread-model posix -mdisable-fp-elim -relaxed-aliasing -masm-verbose -mconstructor-aliases -ffreestanding -mcode-model kernel -target-cpu x86-64 -target-feature -mmx -target-feature -sse -target-feature -aes -target-feature -avx -disable-red-zone -no-implicit-float -dwarf-column-info -debugger-tuning=gdb -nostdsysteminc -nobuiltininc -resource-dir /root/kernel-uninitialized-memory-checker/build/lib/clang/8.0.0 -include opt_global.h -I . -I /root/freebsd/sys -I /root/freebsd/sys/contrib/ck/include -I /root/freebsd/sys/contrib/libfdt -D _KERNEL -D HAVE_KERNEL_OPTION_HEADERS -D __printf__=__freebsd_kprintf__ -O2 -Wno-pointer-sign -Wno-unknown-pragmas -Wno-error-tautological-compare -Wno-error-empty-body -Wno-error-parentheses-equality -Wno-error-unused-function -Wno-error-pointer-sign -Wno-error-shift-negative-value -Wno-address-of-packed-member -std=iso9899:1999 -fdebug-compilation-dir /usr/obj/root/freebsd/amd64.amd64/sys/GENERIC -ferror-limit 19 -fmessage-length 0 -fwrapv -stack-protector 1 -fobjc-runtime=gnustep -fdiagnostics-show-option -vectorize-loops -vectorize-slp -analyzer-checker alpha.security.KernelMemoryDisclosure -analyzer-disable-checker core,unix,deadcode,nullability -analyzer-output=html -o /root/analyzer/2018-12-28-044519-76292-1 -x c /root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c -faddrsig
1/*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1989, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Rick Macklem at The University of Guelph.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 */
35
36#include <sys/cdefs.h>
37__FBSDID("$FreeBSD$")__asm__(".ident\t\"" "$FreeBSD$" "\"");
38
39#include <sys/capsicum.h>
40#include <sys/extattr.h>
41
42/*
43 * Functions that perform the vfs operations required by the routines in
44 * nfsd_serv.c. It is hoped that this change will make the server more
45 * portable.
46 */
47
48#include <fs/nfs/nfsport.h>
49#include <sys/hash.h>
50#include <sys/sysctl.h>
51#include <nlm/nlm_prot.h>
52#include <nlm/nlm.h>
53
54FEATURE(nfsd, "NFSv4 server")static struct sysctl_oid sysctl___kern_features_nfsd = { .oid_parent
= ((&(&sysctl___kern_features)->oid_children)), .
oid_children = { ((void *)0) }, .oid_number = ((-1)), .oid_kind
= (2 | 0x00040000 | (0x80000000 | 0x00008000)), .oid_arg1 = (
((int *)((void *)0))), .oid_arg2 = (1), .oid_name = ("nfsd"),
.oid_handler = (sysctl_handle_int), .oid_fmt = ("I"), .oid_descr
= "NFSv4 server", .oid_label = ("feature"), }; __asm__(".globl "
"__start_set_sysctl_set"); __asm__(".globl " "__stop_set_sysctl_set"
); static void const * const __set_sysctl_set_sym_sysctl___kern_features_nfsd
__attribute__((__section__("set_" "sysctl_set"))) __attribute__
((__used__)) = &(sysctl___kern_features_nfsd); _Static_assert
((((0x80000000 | 0x00008000) & 0xf) == 0 || ((0x80000000 |
0x00008000) & 0) == 2) && sizeof(int) == sizeof(
*(((int *)((void *)0)))), "compile-time assertion failed");
55
56extern u_int32_t newnfs_true, newnfs_false, newnfs_xdrneg1;
57extern int nfsrv_useacl;
58extern int newnfs_numnfsd;
59extern struct mount nfsv4root_mnt;
60extern struct nfsrv_stablefirst nfsrv_stablefirst;
61extern void (*nfsd_call_servertimer)(void);
62extern SVCPOOL *nfsrvd_pool;
63extern struct nfsv4lock nfsd_suspend_lock;
64extern struct nfsclienthashhead *nfsclienthash;
65extern struct nfslockhashhead *nfslockhash;
66extern struct nfssessionhash *nfssessionhash;
67extern int nfsrv_sessionhashsize;
68extern struct nfsstatsv1 nfsstatsv1;
69extern struct nfslayouthash *nfslayouthash;
70extern int nfsrv_layouthashsize;
71extern struct mtx nfsrv_dslock_mtx;
72extern int nfs_pnfsiothreads;
73extern struct nfsdontlisthead nfsrv_dontlisthead;
74extern volatile int nfsrv_dontlistlen;
75extern volatile int nfsrv_devidcnt;
76extern int nfsrv_maxpnfsmirror;
77struct vfsoptlist nfsv4root_opt, nfsv4root_newopt;
78NFSDLOCKMUTEXextern struct mtx newnfsd_mtx;
79NFSSTATESPINLOCKextern struct mtx nfs_state_mutex;
80struct nfsrchash_bucket nfsrchash_table[NFSRVCACHE_HASHSIZE500];
81struct nfsrchash_bucket nfsrcahash_table[NFSRVCACHE_HASHSIZE500];
82struct mtx nfsrc_udpmtx;
83struct mtx nfs_v4root_mutex;
84struct mtx nfsrv_dontlistlock_mtx;
85struct mtx nfsrv_recalllock_mtx;
86struct nfsrvfh nfs_rootfh, nfs_pubfh;
87int nfs_pubfhset = 0, nfs_rootfhset = 0;
88struct proc *nfsd_master_proc = NULL((void *)0);
89int nfsd_debuglevel = 0;
90static pid_t nfsd_master_pid = (pid_t)-1;
91static char nfsd_master_comm[MAXCOMLEN19 + 1];
92static struct timeval nfsd_master_start;
93static uint32_t nfsv4_sysid = 0;
94static fhandle_t zerofh;
95
96static int nfssvc_srvcall(struct thread *, struct nfssvc_args *,
97 struct ucred *);
98
99int nfsrv_enable_crossmntpt = 1;
100static int nfs_commit_blks;
101static int nfs_commit_miss;
102extern int nfsrv_issuedelegs;
103extern int nfsrv_dolocallocks;
104extern int nfsd_enable_stringtouid;
105extern struct nfsdevicehead nfsrv_devidhead;
106
107static void nfsrv_pnfscreate(struct vnode *, struct vattr *, struct ucred *,
108 NFSPROC_Tstruct thread *);
109static void nfsrv_pnfsremovesetup(struct vnode *, NFSPROC_Tstruct thread *, struct vnode **,
110 int *, char *, fhandle_t *);
111static void nfsrv_pnfsremove(struct vnode **, int, char *, fhandle_t *,
112 NFSPROC_Tstruct thread *);
113static int nfsrv_proxyds(struct nfsrv_descript *, struct vnode *, off_t, int,
114 struct ucred *, struct thread *, int, struct mbuf **, char *,
115 struct mbuf **, struct nfsvattr *, struct acl *);
116static int nfsrv_setextattr(struct vnode *, struct nfsvattr *, NFSPROC_Tstruct thread *);
117static int nfsrv_readdsrpc(fhandle_t *, off_t, int, struct ucred *,
118 NFSPROC_Tstruct thread *, struct nfsmount *, struct mbuf **, struct mbuf **);
119static int nfsrv_writedsrpc(fhandle_t *, off_t, int, struct ucred *,
120 NFSPROC_Tstruct thread *, struct vnode *, struct nfsmount **, int, struct mbuf **,
121 char *, int *);
122static int nfsrv_setacldsrpc(fhandle_t *, struct ucred *, NFSPROC_Tstruct thread *,
123 struct vnode *, struct nfsmount **, int, struct acl *, int *);
124static int nfsrv_setattrdsrpc(fhandle_t *, struct ucred *, NFSPROC_Tstruct thread *,
125 struct vnode *, struct nfsmount **, int, struct nfsvattr *, int *);
126static int nfsrv_getattrdsrpc(fhandle_t *, struct ucred *, NFSPROC_Tstruct thread *,
127 struct vnode *, struct nfsmount *, struct nfsvattr *);
128static int nfsrv_putfhname(fhandle_t *, char *);
129static int nfsrv_pnfslookupds(struct vnode *, struct vnode *,
130 struct pnfsdsfile *, struct vnode **, NFSPROC_Tstruct thread *);
131static void nfsrv_pnfssetfh(struct vnode *, struct pnfsdsfile *, char *, char *,
132 struct vnode *, NFSPROC_Tstruct thread *);
133static int nfsrv_dsremove(struct vnode *, char *, struct ucred *, NFSPROC_Tstruct thread *);
134static int nfsrv_dssetacl(struct vnode *, struct acl *, struct ucred *,
135 NFSPROC_Tstruct thread *);
136static int nfsrv_pnfsstatfs(struct statfs *, struct mount *);
137
138int nfs_pnfsio(task_fn_t *, void *);
139
140SYSCTL_NODE(_vfs, OID_AUTO, nfsd, CTLFLAG_RW, 0, "NFS server")struct sysctl_oid sysctl___vfs_nfsd = { .oid_parent = ((&
(&sysctl___vfs)->oid_children)), .oid_children = { ((void
*)0) }, .oid_number = ((-1)), .oid_kind = (1|((0x80000000|0x40000000
))), .oid_arg1 = (((void *)0)), .oid_arg2 = (0), .oid_name = (
"nfsd"), .oid_handler = (0), .oid_fmt = ("N"), .oid_descr = "NFS server"
, .oid_label = (((void *)0)), }; __asm__(".globl " "__start_set_sysctl_set"
); __asm__(".globl " "__stop_set_sysctl_set"); static void const
* const __set_sysctl_set_sym_sysctl___vfs_nfsd __attribute__
((__section__("set_" "sysctl_set"))) __attribute__((__used__)
) = &(sysctl___vfs_nfsd); _Static_assert((((0x80000000|0x40000000
)) & 0xf) == 0 || (((0x80000000|0x40000000)) & 0) == 1
, "compile-time assertion failed");
141SYSCTL_INT(_vfs_nfsd, OID_AUTO, mirrormnt, CTLFLAG_RW,static struct sysctl_oid sysctl___vfs_nfsd_mirrormnt = { .oid_parent
= ((&(&sysctl___vfs_nfsd)->oid_children)), .oid_children
= { ((void *)0) }, .oid_number = ((-1)), .oid_kind = (2 | 0x00040000
| ((0x80000000|0x40000000))), .oid_arg1 = (&nfsrv_enable_crossmntpt
), .oid_arg2 = (0), .oid_name = ("mirrormnt"), .oid_handler =
(sysctl_handle_int), .oid_fmt = ("I"), .oid_descr = "Enable nfsd to cross mount points"
, .oid_label = (((void *)0)), }; __asm__(".globl " "__start_set_sysctl_set"
); __asm__(".globl " "__stop_set_sysctl_set"); static void const
* const __set_sysctl_set_sym_sysctl___vfs_nfsd_mirrormnt __attribute__
((__section__("set_" "sysctl_set"))) __attribute__((__used__)
) = &(sysctl___vfs_nfsd_mirrormnt); _Static_assert(((((0x80000000
|0x40000000)) & 0xf) == 0 || (((0x80000000|0x40000000)) &
0) == 2) && sizeof(int) == sizeof(*(&nfsrv_enable_crossmntpt
)), "compile-time assertion failed")
142 &nfsrv_enable_crossmntpt, 0, "Enable nfsd to cross mount points")static struct sysctl_oid sysctl___vfs_nfsd_mirrormnt = { .oid_parent
= ((&(&sysctl___vfs_nfsd)->oid_children)), .oid_children
= { ((void *)0) }, .oid_number = ((-1)), .oid_kind = (2 | 0x00040000
| ((0x80000000|0x40000000))), .oid_arg1 = (&nfsrv_enable_crossmntpt
), .oid_arg2 = (0), .oid_name = ("mirrormnt"), .oid_handler =
(sysctl_handle_int), .oid_fmt = ("I"), .oid_descr = "Enable nfsd to cross mount points"
, .oid_label = (((void *)0)), }; __asm__(".globl " "__start_set_sysctl_set"
); __asm__(".globl " "__stop_set_sysctl_set"); static void const
* const __set_sysctl_set_sym_sysctl___vfs_nfsd_mirrormnt __attribute__
((__section__("set_" "sysctl_set"))) __attribute__((__used__)
) = &(sysctl___vfs_nfsd_mirrormnt); _Static_assert(((((0x80000000
|0x40000000)) & 0xf) == 0 || (((0x80000000|0x40000000)) &
0) == 2) && sizeof(int) == sizeof(*(&nfsrv_enable_crossmntpt
)), "compile-time assertion failed");
143SYSCTL_INT(_vfs_nfsd, OID_AUTO, commit_blks, CTLFLAG_RW, &nfs_commit_blks,static struct sysctl_oid sysctl___vfs_nfsd_commit_blks = { .oid_parent
= ((&(&sysctl___vfs_nfsd)->oid_children)), .oid_children
= { ((void *)0) }, .oid_number = ((-1)), .oid_kind = (2 | 0x00040000
| ((0x80000000|0x40000000))), .oid_arg1 = (&nfs_commit_blks
), .oid_arg2 = (0), .oid_name = ("commit_blks"), .oid_handler
= (sysctl_handle_int), .oid_fmt = ("I"), .oid_descr = "", .oid_label
= (((void *)0)), }; __asm__(".globl " "__start_set_sysctl_set"
); __asm__(".globl " "__stop_set_sysctl_set"); static void const
* const __set_sysctl_set_sym_sysctl___vfs_nfsd_commit_blks __attribute__
((__section__("set_" "sysctl_set"))) __attribute__((__used__)
) = &(sysctl___vfs_nfsd_commit_blks); _Static_assert(((((
0x80000000|0x40000000)) & 0xf) == 0 || (((0x80000000|0x40000000
)) & 0) == 2) && sizeof(int) == sizeof(*(&nfs_commit_blks
)), "compile-time assertion failed")
144 0, "")static struct sysctl_oid sysctl___vfs_nfsd_commit_blks = { .oid_parent
= ((&(&sysctl___vfs_nfsd)->oid_children)), .oid_children
= { ((void *)0) }, .oid_number = ((-1)), .oid_kind = (2 | 0x00040000
| ((0x80000000|0x40000000))), .oid_arg1 = (&nfs_commit_blks
), .oid_arg2 = (0), .oid_name = ("commit_blks"), .oid_handler
= (sysctl_handle_int), .oid_fmt = ("I"), .oid_descr = "", .oid_label
= (((void *)0)), }; __asm__(".globl " "__start_set_sysctl_set"
); __asm__(".globl " "__stop_set_sysctl_set"); static void const
* const __set_sysctl_set_sym_sysctl___vfs_nfsd_commit_blks __attribute__
((__section__("set_" "sysctl_set"))) __attribute__((__used__)
) = &(sysctl___vfs_nfsd_commit_blks); _Static_assert(((((
0x80000000|0x40000000)) & 0xf) == 0 || (((0x80000000|0x40000000
)) & 0) == 2) && sizeof(int) == sizeof(*(&nfs_commit_blks
)), "compile-time assertion failed");
145SYSCTL_INT(_vfs_nfsd, OID_AUTO, commit_miss, CTLFLAG_RW, &nfs_commit_miss,static struct sysctl_oid sysctl___vfs_nfsd_commit_miss = { .oid_parent
= ((&(&sysctl___vfs_nfsd)->oid_children)), .oid_children
= { ((void *)0) }, .oid_number = ((-1)), .oid_kind = (2 | 0x00040000
| ((0x80000000|0x40000000))), .oid_arg1 = (&nfs_commit_miss
), .oid_arg2 = (0), .oid_name = ("commit_miss"), .oid_handler
= (sysctl_handle_int), .oid_fmt = ("I"), .oid_descr = "", .oid_label
= (((void *)0)), }; __asm__(".globl " "__start_set_sysctl_set"
); __asm__(".globl " "__stop_set_sysctl_set"); static void const
* const __set_sysctl_set_sym_sysctl___vfs_nfsd_commit_miss __attribute__
((__section__("set_" "sysctl_set"))) __attribute__((__used__)
) = &(sysctl___vfs_nfsd_commit_miss); _Static_assert(((((
0x80000000|0x40000000)) & 0xf) == 0 || (((0x80000000|0x40000000
)) & 0) == 2) && sizeof(int) == sizeof(*(&nfs_commit_miss
)), "compile-time assertion failed")
146 0, "")static struct sysctl_oid sysctl___vfs_nfsd_commit_miss = { .oid_parent
= ((&(&sysctl___vfs_nfsd)->oid_children)), .oid_children
= { ((void *)0) }, .oid_number = ((-1)), .oid_kind = (2 | 0x00040000
| ((0x80000000|0x40000000))), .oid_arg1 = (&nfs_commit_miss
), .oid_arg2 = (0), .oid_name = ("commit_miss"), .oid_handler
= (sysctl_handle_int), .oid_fmt = ("I"), .oid_descr = "", .oid_label
= (((void *)0)), }; __asm__(".globl " "__start_set_sysctl_set"
); __asm__(".globl " "__stop_set_sysctl_set"); static void const
* const __set_sysctl_set_sym_sysctl___vfs_nfsd_commit_miss __attribute__
((__section__("set_" "sysctl_set"))) __attribute__((__used__)
) = &(sysctl___vfs_nfsd_commit_miss); _Static_assert(((((
0x80000000|0x40000000)) & 0xf) == 0 || (((0x80000000|0x40000000
)) & 0) == 2) && sizeof(int) == sizeof(*(&nfs_commit_miss
)), "compile-time assertion failed");
147SYSCTL_INT(_vfs_nfsd, OID_AUTO, issue_delegations, CTLFLAG_RW,static struct sysctl_oid sysctl___vfs_nfsd_issue_delegations =
{ .oid_parent = ((&(&sysctl___vfs_nfsd)->oid_children
)), .oid_children = { ((void *)0) }, .oid_number = ((-1)), .oid_kind
= (2 | 0x00040000 | ((0x80000000|0x40000000))), .oid_arg1 = (
&nfsrv_issuedelegs), .oid_arg2 = (0), .oid_name = ("issue_delegations"
), .oid_handler = (sysctl_handle_int), .oid_fmt = ("I"), .oid_descr
= "Enable nfsd to issue delegations", .oid_label = (((void *
)0)), }; __asm__(".globl " "__start_set_sysctl_set"); __asm__
(".globl " "__stop_set_sysctl_set"); static void const * const
__set_sysctl_set_sym_sysctl___vfs_nfsd_issue_delegations __attribute__
((__section__("set_" "sysctl_set"))) __attribute__((__used__)
) = &(sysctl___vfs_nfsd_issue_delegations); _Static_assert
(((((0x80000000|0x40000000)) & 0xf) == 0 || (((0x80000000
|0x40000000)) & 0) == 2) && sizeof(int) == sizeof
(*(&nfsrv_issuedelegs)), "compile-time assertion failed")
148 &nfsrv_issuedelegs, 0, "Enable nfsd to issue delegations")static struct sysctl_oid sysctl___vfs_nfsd_issue_delegations =
{ .oid_parent = ((&(&sysctl___vfs_nfsd)->oid_children
)), .oid_children = { ((void *)0) }, .oid_number = ((-1)), .oid_kind
= (2 | 0x00040000 | ((0x80000000|0x40000000))), .oid_arg1 = (
&nfsrv_issuedelegs), .oid_arg2 = (0), .oid_name = ("issue_delegations"
), .oid_handler = (sysctl_handle_int), .oid_fmt = ("I"), .oid_descr
= "Enable nfsd to issue delegations", .oid_label = (((void *
)0)), }; __asm__(".globl " "__start_set_sysctl_set"); __asm__
(".globl " "__stop_set_sysctl_set"); static void const * const
__set_sysctl_set_sym_sysctl___vfs_nfsd_issue_delegations __attribute__
((__section__("set_" "sysctl_set"))) __attribute__((__used__)
) = &(sysctl___vfs_nfsd_issue_delegations); _Static_assert
(((((0x80000000|0x40000000)) & 0xf) == 0 || (((0x80000000
|0x40000000)) & 0) == 2) && sizeof(int) == sizeof
(*(&nfsrv_issuedelegs)), "compile-time assertion failed");
149SYSCTL_INT(_vfs_nfsd, OID_AUTO, enable_locallocks, CTLFLAG_RW,static struct sysctl_oid sysctl___vfs_nfsd_enable_locallocks =
{ .oid_parent = ((&(&sysctl___vfs_nfsd)->oid_children
)), .oid_children = { ((void *)0) }, .oid_number = ((-1)), .oid_kind
= (2 | 0x00040000 | ((0x80000000|0x40000000))), .oid_arg1 = (
&nfsrv_dolocallocks), .oid_arg2 = (0), .oid_name = ("enable_locallocks"
), .oid_handler = (sysctl_handle_int), .oid_fmt = ("I"), .oid_descr
= "Enable nfsd to acquire local locks on files", .oid_label =
(((void *)0)), }; __asm__(".globl " "__start_set_sysctl_set"
); __asm__(".globl " "__stop_set_sysctl_set"); static void const
* const __set_sysctl_set_sym_sysctl___vfs_nfsd_enable_locallocks
__attribute__((__section__("set_" "sysctl_set"))) __attribute__
((__used__)) = &(sysctl___vfs_nfsd_enable_locallocks); _Static_assert
(((((0x80000000|0x40000000)) & 0xf) == 0 || (((0x80000000
|0x40000000)) & 0) == 2) && sizeof(int) == sizeof
(*(&nfsrv_dolocallocks)), "compile-time assertion failed"
)
150 &nfsrv_dolocallocks, 0, "Enable nfsd to acquire local locks on files")static struct sysctl_oid sysctl___vfs_nfsd_enable_locallocks =
{ .oid_parent = ((&(&sysctl___vfs_nfsd)->oid_children
)), .oid_children = { ((void *)0) }, .oid_number = ((-1)), .oid_kind
= (2 | 0x00040000 | ((0x80000000|0x40000000))), .oid_arg1 = (
&nfsrv_dolocallocks), .oid_arg2 = (0), .oid_name = ("enable_locallocks"
), .oid_handler = (sysctl_handle_int), .oid_fmt = ("I"), .oid_descr
= "Enable nfsd to acquire local locks on files", .oid_label =
(((void *)0)), }; __asm__(".globl " "__start_set_sysctl_set"
); __asm__(".globl " "__stop_set_sysctl_set"); static void const
* const __set_sysctl_set_sym_sysctl___vfs_nfsd_enable_locallocks
__attribute__((__section__("set_" "sysctl_set"))) __attribute__
((__used__)) = &(sysctl___vfs_nfsd_enable_locallocks); _Static_assert
(((((0x80000000|0x40000000)) & 0xf) == 0 || (((0x80000000
|0x40000000)) & 0) == 2) && sizeof(int) == sizeof
(*(&nfsrv_dolocallocks)), "compile-time assertion failed"
);
151SYSCTL_INT(_vfs_nfsd, OID_AUTO, debuglevel, CTLFLAG_RW, &nfsd_debuglevel,static struct sysctl_oid sysctl___vfs_nfsd_debuglevel = { .oid_parent
= ((&(&sysctl___vfs_nfsd)->oid_children)), .oid_children
= { ((void *)0) }, .oid_number = ((-1)), .oid_kind = (2 | 0x00040000
| ((0x80000000|0x40000000))), .oid_arg1 = (&nfsd_debuglevel
), .oid_arg2 = (0), .oid_name = ("debuglevel"), .oid_handler =
(sysctl_handle_int), .oid_fmt = ("I"), .oid_descr = "Debug level for NFS server"
, .oid_label = (((void *)0)), }; __asm__(".globl " "__start_set_sysctl_set"
); __asm__(".globl " "__stop_set_sysctl_set"); static void const
* const __set_sysctl_set_sym_sysctl___vfs_nfsd_debuglevel __attribute__
((__section__("set_" "sysctl_set"))) __attribute__((__used__)
) = &(sysctl___vfs_nfsd_debuglevel); _Static_assert(((((0x80000000
|0x40000000)) & 0xf) == 0 || (((0x80000000|0x40000000)) &
0) == 2) && sizeof(int) == sizeof(*(&nfsd_debuglevel
)), "compile-time assertion failed")
152 0, "Debug level for NFS server")static struct sysctl_oid sysctl___vfs_nfsd_debuglevel = { .oid_parent
= ((&(&sysctl___vfs_nfsd)->oid_children)), .oid_children
= { ((void *)0) }, .oid_number = ((-1)), .oid_kind = (2 | 0x00040000
| ((0x80000000|0x40000000))), .oid_arg1 = (&nfsd_debuglevel
), .oid_arg2 = (0), .oid_name = ("debuglevel"), .oid_handler =
(sysctl_handle_int), .oid_fmt = ("I"), .oid_descr = "Debug level for NFS server"
, .oid_label = (((void *)0)), }; __asm__(".globl " "__start_set_sysctl_set"
); __asm__(".globl " "__stop_set_sysctl_set"); static void const
* const __set_sysctl_set_sym_sysctl___vfs_nfsd_debuglevel __attribute__
((__section__("set_" "sysctl_set"))) __attribute__((__used__)
) = &(sysctl___vfs_nfsd_debuglevel); _Static_assert(((((0x80000000
|0x40000000)) & 0xf) == 0 || (((0x80000000|0x40000000)) &
0) == 2) && sizeof(int) == sizeof(*(&nfsd_debuglevel
)), "compile-time assertion failed");
153SYSCTL_INT(_vfs_nfsd, OID_AUTO, enable_stringtouid, CTLFLAG_RW,static struct sysctl_oid sysctl___vfs_nfsd_enable_stringtouid
= { .oid_parent = ((&(&sysctl___vfs_nfsd)->oid_children
)), .oid_children = { ((void *)0) }, .oid_number = ((-1)), .oid_kind
= (2 | 0x00040000 | ((0x80000000|0x40000000))), .oid_arg1 = (
&nfsd_enable_stringtouid), .oid_arg2 = (0), .oid_name = (
"enable_stringtouid"), .oid_handler = (sysctl_handle_int), .oid_fmt
= ("I"), .oid_descr = "Enable nfsd to accept numeric owner_names"
, .oid_label = (((void *)0)), }; __asm__(".globl " "__start_set_sysctl_set"
); __asm__(".globl " "__stop_set_sysctl_set"); static void const
* const __set_sysctl_set_sym_sysctl___vfs_nfsd_enable_stringtouid
__attribute__((__section__("set_" "sysctl_set"))) __attribute__
((__used__)) = &(sysctl___vfs_nfsd_enable_stringtouid); _Static_assert
(((((0x80000000|0x40000000)) & 0xf) == 0 || (((0x80000000
|0x40000000)) & 0) == 2) && sizeof(int) == sizeof
(*(&nfsd_enable_stringtouid)), "compile-time assertion failed"
)
154 &nfsd_enable_stringtouid, 0, "Enable nfsd to accept numeric owner_names")static struct sysctl_oid sysctl___vfs_nfsd_enable_stringtouid
= { .oid_parent = ((&(&sysctl___vfs_nfsd)->oid_children
)), .oid_children = { ((void *)0) }, .oid_number = ((-1)), .oid_kind
= (2 | 0x00040000 | ((0x80000000|0x40000000))), .oid_arg1 = (
&nfsd_enable_stringtouid), .oid_arg2 = (0), .oid_name = (
"enable_stringtouid"), .oid_handler = (sysctl_handle_int), .oid_fmt
= ("I"), .oid_descr = "Enable nfsd to accept numeric owner_names"
, .oid_label = (((void *)0)), }; __asm__(".globl " "__start_set_sysctl_set"
); __asm__(".globl " "__stop_set_sysctl_set"); static void const
* const __set_sysctl_set_sym_sysctl___vfs_nfsd_enable_stringtouid
__attribute__((__section__("set_" "sysctl_set"))) __attribute__
((__used__)) = &(sysctl___vfs_nfsd_enable_stringtouid); _Static_assert
(((((0x80000000|0x40000000)) & 0xf) == 0 || (((0x80000000
|0x40000000)) & 0) == 2) && sizeof(int) == sizeof
(*(&nfsd_enable_stringtouid)), "compile-time assertion failed"
);
155static int nfsrv_pnfsgetdsattr = 1;
156SYSCTL_INT(_vfs_nfsd, OID_AUTO, pnfsgetdsattr, CTLFLAG_RW,static struct sysctl_oid sysctl___vfs_nfsd_pnfsgetdsattr = { .
oid_parent = ((&(&sysctl___vfs_nfsd)->oid_children
)), .oid_children = { ((void *)0) }, .oid_number = ((-1)), .oid_kind
= (2 | 0x00040000 | ((0x80000000|0x40000000))), .oid_arg1 = (
&nfsrv_pnfsgetdsattr), .oid_arg2 = (0), .oid_name = ("pnfsgetdsattr"
), .oid_handler = (sysctl_handle_int), .oid_fmt = ("I"), .oid_descr
= "When set getattr gets DS attributes via RPC", .oid_label =
(((void *)0)), }; __asm__(".globl " "__start_set_sysctl_set"
); __asm__(".globl " "__stop_set_sysctl_set"); static void const
* const __set_sysctl_set_sym_sysctl___vfs_nfsd_pnfsgetdsattr
__attribute__((__section__("set_" "sysctl_set"))) __attribute__
((__used__)) = &(sysctl___vfs_nfsd_pnfsgetdsattr); _Static_assert
(((((0x80000000|0x40000000)) & 0xf) == 0 || (((0x80000000
|0x40000000)) & 0) == 2) && sizeof(int) == sizeof
(*(&nfsrv_pnfsgetdsattr)), "compile-time assertion failed"
)
157 &nfsrv_pnfsgetdsattr, 0, "When set getattr gets DS attributes via RPC")static struct sysctl_oid sysctl___vfs_nfsd_pnfsgetdsattr = { .
oid_parent = ((&(&sysctl___vfs_nfsd)->oid_children
)), .oid_children = { ((void *)0) }, .oid_number = ((-1)), .oid_kind
= (2 | 0x00040000 | ((0x80000000|0x40000000))), .oid_arg1 = (
&nfsrv_pnfsgetdsattr), .oid_arg2 = (0), .oid_name = ("pnfsgetdsattr"
), .oid_handler = (sysctl_handle_int), .oid_fmt = ("I"), .oid_descr
= "When set getattr gets DS attributes via RPC", .oid_label =
(((void *)0)), }; __asm__(".globl " "__start_set_sysctl_set"
); __asm__(".globl " "__stop_set_sysctl_set"); static void const
* const __set_sysctl_set_sym_sysctl___vfs_nfsd_pnfsgetdsattr
__attribute__((__section__("set_" "sysctl_set"))) __attribute__
((__used__)) = &(sysctl___vfs_nfsd_pnfsgetdsattr); _Static_assert
(((((0x80000000|0x40000000)) & 0xf) == 0 || (((0x80000000
|0x40000000)) & 0) == 2) && sizeof(int) == sizeof
(*(&nfsrv_pnfsgetdsattr)), "compile-time assertion failed"
);
158
159/*
160 * nfsrv_dsdirsize can only be increased and only when the nfsd threads are
161 * not running.
162 * The dsN subdirectories for the increased values must have been created
163 * on all DS servers before this increase is done.
164 */
165u_int nfsrv_dsdirsize = 20;
166static int
167sysctl_dsdirsize(SYSCTL_HANDLER_ARGSstruct sysctl_oid *oidp, void *arg1, intmax_t arg2, struct sysctl_req
*req)
168{
169 int error, newdsdirsize;
170
171 newdsdirsize = nfsrv_dsdirsize;
172 error = sysctl_handle_int(oidp, &newdsdirsize, 0, req);
173 if (error != 0 || req->newptr == NULL((void *)0))
174 return (error);
175 if (newdsdirsize <= nfsrv_dsdirsize || newdsdirsize > 10000 ||
176 newnfs_numnfsd != 0)
177 return (EINVAL22);
178 nfsrv_dsdirsize = newdsdirsize;
179 return (0);
180}
181SYSCTL_PROC(_vfs_nfsd, OID_AUTO, dsdirsize, CTLTYPE_UINT | CTLFLAG_RW, 0,static struct sysctl_oid sysctl___vfs_nfsd_dsdirsize = { .oid_parent
= ((&(&sysctl___vfs_nfsd)->oid_children)), .oid_children
= { ((void *)0) }, .oid_number = ((-1)), .oid_kind = ((6 | (
0x80000000|0x40000000))), .oid_arg1 = (0), .oid_arg2 = (sizeof
(nfsrv_dsdirsize)), .oid_name = ("dsdirsize"), .oid_handler =
(sysctl_dsdirsize), .oid_fmt = ("IU"), .oid_descr = "Number of dsN subdirs on the DS servers"
, .oid_label = (((void *)0)), }; __asm__(".globl " "__start_set_sysctl_set"
); __asm__(".globl " "__stop_set_sysctl_set"); static void const
* const __set_sysctl_set_sym_sysctl___vfs_nfsd_dsdirsize __attribute__
((__section__("set_" "sysctl_set"))) __attribute__((__used__)
) = &(sysctl___vfs_nfsd_dsdirsize); _Static_assert(((6 | (
0x80000000|0x40000000)) & 0xf) != 0, "compile-time assertion failed"
)
182 sizeof(nfsrv_dsdirsize), sysctl_dsdirsize, "IU",static struct sysctl_oid sysctl___vfs_nfsd_dsdirsize = { .oid_parent
= ((&(&sysctl___vfs_nfsd)->oid_children)), .oid_children
= { ((void *)0) }, .oid_number = ((-1)), .oid_kind = ((6 | (
0x80000000|0x40000000))), .oid_arg1 = (0), .oid_arg2 = (sizeof
(nfsrv_dsdirsize)), .oid_name = ("dsdirsize"), .oid_handler =
(sysctl_dsdirsize), .oid_fmt = ("IU"), .oid_descr = "Number of dsN subdirs on the DS servers"
, .oid_label = (((void *)0)), }; __asm__(".globl " "__start_set_sysctl_set"
); __asm__(".globl " "__stop_set_sysctl_set"); static void const
* const __set_sysctl_set_sym_sysctl___vfs_nfsd_dsdirsize __attribute__
((__section__("set_" "sysctl_set"))) __attribute__((__used__)
) = &(sysctl___vfs_nfsd_dsdirsize); _Static_assert(((6 | (
0x80000000|0x40000000)) & 0xf) != 0, "compile-time assertion failed"
)
183 "Number of dsN subdirs on the DS servers")static struct sysctl_oid sysctl___vfs_nfsd_dsdirsize = { .oid_parent
= ((&(&sysctl___vfs_nfsd)->oid_children)), .oid_children
= { ((void *)0) }, .oid_number = ((-1)), .oid_kind = ((6 | (
0x80000000|0x40000000))), .oid_arg1 = (0), .oid_arg2 = (sizeof
(nfsrv_dsdirsize)), .oid_name = ("dsdirsize"), .oid_handler =
(sysctl_dsdirsize), .oid_fmt = ("IU"), .oid_descr = "Number of dsN subdirs on the DS servers"
, .oid_label = (((void *)0)), }; __asm__(".globl " "__start_set_sysctl_set"
); __asm__(".globl " "__stop_set_sysctl_set"); static void const
* const __set_sysctl_set_sym_sysctl___vfs_nfsd_dsdirsize __attribute__
((__section__("set_" "sysctl_set"))) __attribute__((__used__)
) = &(sysctl___vfs_nfsd_dsdirsize); _Static_assert(((6 | (
0x80000000|0x40000000)) & 0xf) != 0, "compile-time assertion failed"
);
184
185#define MAX_REORDERED_RPC16 16
186#define NUM_HEURISTIC1031 1031
187#define NHUSE_INIT64 64
188#define NHUSE_INC16 16
189#define NHUSE_MAX2048 2048
190
191static struct nfsheur {
192 struct vnode *nh_vp; /* vp to match (unreferenced pointer) */
193 off_t nh_nextoff; /* next offset for sequential detection */
194 int nh_use; /* use count for selection */
195 int nh_seqcount; /* heuristic */
196} nfsheur[NUM_HEURISTIC1031];
197
198
199/*
200 * Heuristic to detect sequential operation.
201 */
202static struct nfsheur *
203nfsrv_sequential_heuristic(struct uio *uio, struct vnode *vp)
204{
205 struct nfsheur *nh;
206 int hi, try;
207
208 /* Locate best candidate. */
209 try = 32;
210 hi = ((int)(vm_offset_t)vp / sizeof(struct vnode)) % NUM_HEURISTIC1031;
211 nh = &nfsheur[hi];
212 while (try--) {
213 if (nfsheur[hi].nh_vp == vp) {
214 nh = &nfsheur[hi];
215 break;
216 }
217 if (nfsheur[hi].nh_use > 0)
218 --nfsheur[hi].nh_use;
219 hi = (hi + 1) % NUM_HEURISTIC1031;
220 if (nfsheur[hi].nh_use < nh->nh_use)
221 nh = &nfsheur[hi];
222 }
223
224 /* Initialize hint if this is a new file. */
225 if (nh->nh_vp != vp) {
226 nh->nh_vp = vp;
227 nh->nh_nextoff = uio->uio_offset;
228 nh->nh_use = NHUSE_INIT64;
229 if (uio->uio_offset == 0)
230 nh->nh_seqcount = 4;
231 else
232 nh->nh_seqcount = 1;
233 }
234
235 /* Calculate heuristic. */
236 if ((uio->uio_offset == 0 && nh->nh_seqcount > 0) ||
237 uio->uio_offset == nh->nh_nextoff) {
238 /* See comments in vfs_vnops.c:sequential_heuristic(). */
239 nh->nh_seqcount += howmany(uio->uio_resid, 16384)(((uio->uio_resid)+((16384)-1))/(16384));
240 if (nh->nh_seqcount > IO_SEQMAX0x7F)
241 nh->nh_seqcount = IO_SEQMAX0x7F;
242 } else if (qabs(uio->uio_offset - nh->nh_nextoff) <= MAX_REORDERED_RPC16 *
243 imax(vp->v_mount->mnt_stat.f_iosize, uio->uio_resid)) {
244 /* Probably a reordered RPC, leave seqcount alone. */
245 } else if (nh->nh_seqcount > 1) {
246 nh->nh_seqcount /= 2;
247 } else {
248 nh->nh_seqcount = 0;
249 }
250 nh->nh_use += NHUSE_INC16;
251 if (nh->nh_use > NHUSE_MAX2048)
252 nh->nh_use = NHUSE_MAX2048;
253 return (nh);
254}
255
256/*
257 * Get attributes into nfsvattr structure.
258 */
259int
260nfsvno_getattr(struct vnode *vp, struct nfsvattr *nvap,
261 struct nfsrv_descript *nd, struct thread *p, int vpislocked,
262 nfsattrbit_t *attrbitp)
263{
264 int error, gotattr, lockedit = 0;
265 struct nfsvattr na;
266
267 if (vpislocked == 0) {
268 /*
269 * When vpislocked == 0, the vnode is either exclusively
270 * locked by this thread or not locked by this thread.
271 * As such, shared lock it, if not exclusively locked.
272 */
273 if (NFSVOPISLOCKED(vp)VOP_ISLOCKED((vp)) != LK_EXCLUSIVE0x080000) {
274 lockedit = 1;
275 NFSVOPLOCK(vp, LK_SHARED | LK_RETRY)_vn_lock((vp), (0x200000 | 0x000400), "/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
, 275);
276 }
277 }
278
279 /*
280 * Acquire the Change, Size and TimeModify attributes, as required.
281 * This needs to be done for regular files if:
282 * - non-NFSv4 RPCs or
283 * - when attrbitp == NULL or
284 * - an NFSv4 RPC with any of the above attributes in attrbitp.
285 * A return of 0 for nfsrv_proxyds() indicates that it has acquired
286 * these attributes. nfsrv_proxyds() will return an error if the
287 * server is not a pNFS one.
288 */
289 gotattr = 0;
290 if (vp->v_type == VREG && nfsrv_devidcnt > 0 && (attrbitp == NULL((void *)0) ||
291 (nd->nd_flag & ND_NFSV40x00000010) == 0 ||
292 NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_CHANGE)((attrbitp)->bits[(3) / 32] & (1 << ((3) % 32))) ||
293 NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_SIZE)((attrbitp)->bits[(4) / 32] & (1 << ((4) % 32))) ||
294 NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_TIMEACCESS)((attrbitp)->bits[(47) / 32] & (1 << ((47) % 32)
)) ||
295 NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_TIMEMODIFY)((attrbitp)->bits[(53) / 32] & (1 << ((53) % 32)
)))) {
296 error = nfsrv_proxyds(nd, vp, 0, 0, nd->nd_cred, p,
297 NFSPROC_GETATTR1, NULL((void *)0), NULL((void *)0), NULL((void *)0), &na, NULL((void *)0));
298 if (error == 0)
299 gotattr = 1;
300 }
301
302 error = VOP_GETATTR(vp, &nvap->na_vattr, nd->nd_cred);
303 if (lockedit != 0)
304 NFSVOPUNLOCK(vp, 0)VOP_UNLOCK((vp), (0));
305
306 /*
307 * If we got the Change, Size and Modify Time from the DS,
308 * replace them.
309 */
310 if (gotattr != 0) {
311 nvap->na_atimena_vattr.va_atime = na.na_atimena_vattr.va_atime;
312 nvap->na_mtimena_vattr.va_mtime = na.na_mtimena_vattr.va_mtime;
313 nvap->na_filerevna_vattr.va_filerev = na.na_filerevna_vattr.va_filerev;
314 nvap->na_sizena_vattr.va_size = na.na_sizena_vattr.va_size;
315 }
316 NFSD_DEBUG(4, "nfsvno_getattr: gotattr=%d err=%d chg=%ju\n", gotattr,do { if (nfsd_debuglevel >= (4)) printf("nfsvno_getattr: gotattr=%d err=%d chg=%ju\n"
, gotattr, error, (uintmax_t)na.na_vattr.va_filerev); } while
(0)
317 error, (uintmax_t)na.na_filerev)do { if (nfsd_debuglevel >= (4)) printf("nfsvno_getattr: gotattr=%d err=%d chg=%ju\n"
, gotattr, error, (uintmax_t)na.na_vattr.va_filerev); } while
(0);
318
319 NFSEXITCODE(error);
320 return (error);
321}
322
323/*
324 * Get a file handle for a vnode.
325 */
326int
327nfsvno_getfh(struct vnode *vp, fhandle_t *fhp, struct thread *p)
328{
329 int error;
330
331 NFSBZERO((caddr_t)fhp, sizeof(fhandle_t))__builtin_memset((((caddr_t)fhp)), 0, ((sizeof(fhandle_t))));
332 fhp->fh_fsid = vp->v_mount->mnt_stat.f_fsid;
333 error = VOP_VPTOFH(vp, &fhp->fh_fid);
334
335 NFSEXITCODE(error);
336 return (error);
337}
338
339/*
340 * Perform access checking for vnodes obtained from file handles that would
341 * refer to files already opened by a Unix client. You cannot just use
342 * vn_writechk() and VOP_ACCESSX() for two reasons.
343 * 1 - You must check for exported rdonly as well as MNT_RDONLY for the write
344 * case.
345 * 2 - The owner is to be given access irrespective of mode bits for some
346 * operations, so that processes that chmod after opening a file don't
347 * break.
348 */
349int
350nfsvno_accchk(struct vnode *vp, accmode_t accmode, struct ucred *cred,
351 struct nfsexstuff *exp, struct thread *p, int override, int vpislocked,
352 u_int32_t *supportedtypep)
353{
354 struct vattr vattr;
355 int error = 0, getret = 0;
356
357 if (vpislocked == 0) {
358 if (NFSVOPLOCK(vp, LK_SHARED)_vn_lock((vp), (0x200000), "/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
, 358) != 0) {
359 error = EPERM1;
360 goto out;
361 }
362 }
363 if (accmode & VWRITE000000000200) {
364 /* Just vn_writechk() changed to check rdonly */
365 /*
366 * Disallow write attempts on read-only file systems;
367 * unless the file is a socket or a block or character
368 * device resident on the file system.
369 */
370 if (NFSVNO_EXRDONLY(exp)((exp)->nes_exflag & 0x0000000000000080ULL) ||
371 (vp->v_mount->mnt_flag & MNT_RDONLY0x0000000000000001ULL)) {
372 switch (vp->v_type) {
373 case VREG:
374 case VDIR:
375 case VLNK:
376 error = EROFS30;
377 default:
378 break;
379 }
380 }
381 /*
382 * If there's shared text associated with
383 * the inode, try to free it up once. If
384 * we fail, we can't allow writing.
385 */
386 if (VOP_IS_TEXT(vp) && error == 0)
387 error = ETXTBSY26;
388 }
389 if (error != 0) {
390 if (vpislocked == 0)
391 NFSVOPUNLOCK(vp, 0)VOP_UNLOCK((vp), (0));
392 goto out;
393 }
394
395 /*
396 * Should the override still be applied when ACLs are enabled?
397 */
398 error = VOP_ACCESSX(vp, accmode, cred, p);
399 if (error != 0 && (accmode & (VDELETE000010000000 | VDELETE_CHILD000001000000))) {
400 /*
401 * Try again with VEXPLICIT_DENY, to see if the test for
402 * deletion is supported.
403 */
404 error = VOP_ACCESSX(vp, accmode | VEXPLICIT_DENY000000100000, cred, p);
405 if (error == 0) {
406 if (vp->v_type == VDIR) {
407 accmode &= ~(VDELETE000010000000 | VDELETE_CHILD000001000000);
408 accmode |= VWRITE000000000200;
409 error = VOP_ACCESSX(vp, accmode, cred, p);
410 } else if (supportedtypep != NULL((void *)0)) {
411 *supportedtypep &= ~NFSACCESS_DELETE0x10;
412 }
413 }
414 }
415
416 /*
417 * Allow certain operations for the owner (reads and writes
418 * on files that are already open).
419 */
420 if (override != NFSACCCHK_NOOVERRIDE0 &&
421 (error == EPERM1 || error == EACCES13)) {
422 if (cred->cr_uid == 0 && (override & NFSACCCHK_ALLOWROOT1))
423 error = 0;
424 else if (override & NFSACCCHK_ALLOWOWNER2) {
425 getret = VOP_GETATTR(vp, &vattr, cred);
426 if (getret == 0 && cred->cr_uid == vattr.va_uid)
427 error = 0;
428 }
429 }
430 if (vpislocked == 0)
431 NFSVOPUNLOCK(vp, 0)VOP_UNLOCK((vp), (0));
432
433out:
434 NFSEXITCODE(error);
435 return (error);
436}
437
438/*
439 * Set attribute(s) vnop.
440 */
441int
442nfsvno_setattr(struct vnode *vp, struct nfsvattr *nvap, struct ucred *cred,
443 struct thread *p, struct nfsexstuff *exp)
444{
445 u_quad_t savsize = 0;
446 int error, savedit;
447
448 /*
449 * If this is an exported file system and a pNFS service is running,
450 * don't VOP_SETATTR() of size for the MDS file system.
451 */
452 savedit = 0;
453 error = 0;
454 if (vp->v_type == VREG && (vp->v_mount->mnt_flag & MNT_EXPORTED0x0000000000000100ULL) != 0 &&
455 nfsrv_devidcnt != 0 && nvap->na_vattr.va_size != VNOVAL(-1) &&
456 nvap->na_vattr.va_size > 0) {
457 savsize = nvap->na_vattr.va_size;
458 nvap->na_vattr.va_size = VNOVAL(-1);
459 if (nvap->na_vattr.va_uid != (uid_t)VNOVAL(-1) ||
460 nvap->na_vattr.va_gid != (gid_t)VNOVAL(-1) ||
461 nvap->na_vattr.va_mode != (mode_t)VNOVAL(-1) ||
462 nvap->na_vattr.va_atime.tv_sec != VNOVAL(-1) ||
463 nvap->na_vattr.va_mtime.tv_sec != VNOVAL(-1))
464 savedit = 1;
465 else
466 savedit = 2;
467 }
468 if (savedit != 2)
469 error = VOP_SETATTR(vp, &nvap->na_vattr, cred);
470 if (savedit != 0)
471 nvap->na_vattr.va_size = savsize;
472 if (error == 0 && (nvap->na_vattr.va_uid != (uid_t)VNOVAL(-1) ||
473 nvap->na_vattr.va_gid != (gid_t)VNOVAL(-1) ||
474 nvap->na_vattr.va_size != VNOVAL(-1) ||
475 nvap->na_vattr.va_mode != (mode_t)VNOVAL(-1) ||
476 nvap->na_vattr.va_atime.tv_sec != VNOVAL(-1) ||
477 nvap->na_vattr.va_mtime.tv_sec != VNOVAL(-1))) {
478 /* For a pNFS server, set the attributes on the DS file. */
479 error = nfsrv_proxyds(NULL((void *)0), vp, 0, 0, cred, p, NFSPROC_SETATTR2,
480 NULL((void *)0), NULL((void *)0), NULL((void *)0), nvap, NULL((void *)0));
481 if (error == ENOENT2)
482 error = 0;
483 }
484 NFSEXITCODE(error);
485 return (error);
486}
487
488/*
489 * Set up nameidata for a lookup() call and do it.
490 */
491int
492nfsvno_namei(struct nfsrv_descript *nd, struct nameidata *ndp,
493 struct vnode *dp, int islocked, struct nfsexstuff *exp, struct thread *p,
494 struct vnode **retdirp)
495{
496 struct componentname *cnp = &ndp->ni_cnd;
497 int i;
498 struct iovec aiov;
499 struct uio auio;
500 int lockleaf = (cnp->cn_flags & LOCKLEAF0x0004) != 0, linklen;
501 int error = 0;
502 char *cp;
503
504 *retdirp = NULL((void *)0);
505 cnp->cn_nameptr = cnp->cn_pnbuf;
506 ndp->ni_lcf = 0;
507 /*
508 * Extract and set starting directory.
509 */
510 if (dp->v_type != VDIR) {
511 if (islocked)
512 vput(dp);
513 else
514 vrele(dp);
515 nfsvno_relpathbuf(ndp);
516 error = ENOTDIR20;
517 goto out1;
518 }
519 if (islocked)
520 NFSVOPUNLOCK(dp, 0)VOP_UNLOCK((dp), (0));
521 VREF(dp)vref(dp);
522 *retdirp = dp;
523 if (NFSVNO_EXRDONLY(exp)((exp)->nes_exflag & 0x0000000000000080ULL))
524 cnp->cn_flags |= RDONLY0x00000200;
525 ndp->ni_segflg = UIO_SYSSPACE;
526
527 if (nd->nd_flag & ND_PUBLOOKUP0x00000800) {
528 ndp->ni_loopcnt = 0;
529 if (cnp->cn_pnbuf[0] == '/') {
530 vrele(dp);
531 /*
532 * Check for degenerate pathnames here, since lookup()
533 * panics on them.
534 */
535 for (i = 1; i < ndp->ni_pathlen; i++)
536 if (cnp->cn_pnbuf[i] != '/')
537 break;
538 if (i == ndp->ni_pathlen) {
539 error = NFSERR_ACCES13;
540 goto out;
541 }
542 dp = rootvnode;
543 VREF(dp)vref(dp);
544 }
545 } else if ((nfsrv_enable_crossmntpt == 0 && NFSVNO_EXPORTED(exp)((exp)->nes_exflag & 0x0000000000000100ULL)) ||
546 (nd->nd_flag & ND_NFSV40x00000010) == 0) {
547 /*
548 * Only cross mount points for NFSv4 when doing a
549 * mount while traversing the file system above
550 * the mount point, unless nfsrv_enable_crossmntpt is set.
551 */
552 cnp->cn_flags |= NOCROSSMOUNT0x00400000;
553 }
554
555 /*
556 * Initialize for scan, set ni_startdir and bump ref on dp again
557 * because lookup() will dereference ni_startdir.
558 */
559
560 cnp->cn_thread = p;
561 ndp->ni_startdir = dp;
562 ndp->ni_rootdir = rootvnode;
563 ndp->ni_topdir = NULL((void *)0);
564
565 if (!lockleaf)
566 cnp->cn_flags |= LOCKLEAF0x0004;
567 for (;;) {
568 cnp->cn_nameptr = cnp->cn_pnbuf;
569 /*
570 * Call lookup() to do the real work. If an error occurs,
571 * ndp->ni_vp and ni_dvp are left uninitialized or NULL and
572 * we do not have to dereference anything before returning.
573 * In either case ni_startdir will be dereferenced and NULLed
574 * out.
575 */
576 error = lookup(ndp);
577 if (error)
578 break;
579
580 /*
581 * Check for encountering a symbolic link. Trivial
582 * termination occurs if no symlink encountered.
583 */
584 if ((cnp->cn_flags & ISSYMLINK0x00010000) == 0) {
585 if ((cnp->cn_flags & (SAVENAME0x00000800 | SAVESTART0x00001000)) == 0)
586 nfsvno_relpathbuf(ndp);
587 if (ndp->ni_vp && !lockleaf)
588 NFSVOPUNLOCK(ndp->ni_vp, 0)VOP_UNLOCK((ndp->ni_vp), (0));
589 break;
590 }
591
592 /*
593 * Validate symlink
594 */
595 if ((cnp->cn_flags & LOCKPARENT0x0008) && ndp->ni_pathlen == 1)
596 NFSVOPUNLOCK(ndp->ni_dvp, 0)VOP_UNLOCK((ndp->ni_dvp), (0));
597 if (!(nd->nd_flag & ND_PUBLOOKUP0x00000800)) {
598 error = EINVAL22;
599 goto badlink2;
600 }
601
602 if (ndp->ni_loopcnt++ >= MAXSYMLINKS32) {
603 error = ELOOP62;
604 goto badlink2;
605 }
606 if (ndp->ni_pathlen > 1)
607 cp = uma_zalloc(namei_zone, M_WAITOK0x0002);
608 else
609 cp = cnp->cn_pnbuf;
610 aiov.iov_base = cp;
611 aiov.iov_len = MAXPATHLEN1024;
612 auio.uio_iov = &aiov;
613 auio.uio_iovcnt = 1;
614 auio.uio_offset = 0;
615 auio.uio_rw = UIO_READ;
616 auio.uio_segflg = UIO_SYSSPACE;
617 auio.uio_td = NULL((void *)0);
618 auio.uio_resid = MAXPATHLEN1024;
619 error = VOP_READLINK(ndp->ni_vp, &auio, cnp->cn_cred);
620 if (error) {
621 badlink1:
622 if (ndp->ni_pathlen > 1)
623 uma_zfree(namei_zone, cp);
624 badlink2:
625 vrele(ndp->ni_dvp);
626 vput(ndp->ni_vp);
627 break;
628 }
629 linklen = MAXPATHLEN1024 - auio.uio_resid;
630 if (linklen == 0) {
631 error = ENOENT2;
632 goto badlink1;
633 }
634 if (linklen + ndp->ni_pathlen >= MAXPATHLEN1024) {
635 error = ENAMETOOLONG63;
636 goto badlink1;
637 }
638
639 /*
640 * Adjust or replace path
641 */
642 if (ndp->ni_pathlen > 1) {
643 NFSBCOPY(ndp->ni_next, cp + linklen, ndp->ni_pathlen)__builtin_memmove(((cp + linklen)), ((ndp->ni_next)), ((ndp
->ni_pathlen)));
644 uma_zfree(namei_zone, cnp->cn_pnbuf);
645 cnp->cn_pnbuf = cp;
646 } else
647 cnp->cn_pnbuf[linklen] = '\0';
648 ndp->ni_pathlen += linklen;
649
650 /*
651 * Cleanup refs for next loop and check if root directory
652 * should replace current directory. Normally ni_dvp
653 * becomes the new base directory and is cleaned up when
654 * we loop. Explicitly null pointers after invalidation
655 * to clarify operation.
656 */
657 vput(ndp->ni_vp);
658 ndp->ni_vp = NULL((void *)0);
659
660 if (cnp->cn_pnbuf[0] == '/') {
661 vrele(ndp->ni_dvp);
662 ndp->ni_dvp = ndp->ni_rootdir;
663 VREF(ndp->ni_dvp)vref(ndp->ni_dvp);
664 }
665 ndp->ni_startdir = ndp->ni_dvp;
666 ndp->ni_dvp = NULL((void *)0);
667 }
668 if (!lockleaf)
669 cnp->cn_flags &= ~LOCKLEAF0x0004;
670
671out:
672 if (error) {
673 nfsvno_relpathbuf(ndp);
674 ndp->ni_vp = NULL((void *)0);
675 ndp->ni_dvp = NULL((void *)0);
676 ndp->ni_startdir = NULL((void *)0);
677 } else if ((ndp->ni_cnd.cn_flags & (WANTPARENT0x0010|LOCKPARENT0x0008)) == 0) {
678 ndp->ni_dvp = NULL((void *)0);
679 }
680
681out1:
682 NFSEXITCODE2(error, nd);
683 return (error);
684}
685
686/*
687 * Set up a pathname buffer and return a pointer to it and, optionally
688 * set a hash pointer.
689 */
690void
691nfsvno_setpathbuf(struct nameidata *ndp, char **bufpp, u_long **hashpp)
692{
693 struct componentname *cnp = &ndp->ni_cnd;
694
695 cnp->cn_flags |= (NOMACCHECK0x00800000 | HASBUF0x00000400);
696 cnp->cn_pnbuf = uma_zalloc(namei_zone, M_WAITOK0x0002);
697 if (hashpp != NULL((void *)0))
698 *hashpp = NULL((void *)0);
699 *bufpp = cnp->cn_pnbuf;
700}
701
702/*
703 * Release the above path buffer, if not released by nfsvno_namei().
704 */
705void
706nfsvno_relpathbuf(struct nameidata *ndp)
707{
708
709 if ((ndp->ni_cnd.cn_flags & HASBUF0x00000400) == 0)
710 panic("nfsrelpath");
711 uma_zfree(namei_zone, ndp->ni_cnd.cn_pnbuf);
712 ndp->ni_cnd.cn_flags &= ~HASBUF0x00000400;
713}
714
715/*
716 * Readlink vnode op into an mbuf list.
717 */
718int
719nfsvno_readlink(struct vnode *vp, struct ucred *cred, struct thread *p,
720 struct mbuf **mpp, struct mbuf **mpendp, int *lenp)
721{
722 struct iovec iv[(NFS_MAXPATHLEN1024+MLEN((int)(256 - __builtin_offsetof(struct mbuf, m_dat)))-1)/MLEN((int)(256 - __builtin_offsetof(struct mbuf, m_dat)))];
723 struct iovec *ivp = iv;
724 struct uio io, *uiop = &io;
725 struct mbuf *mp, *mp2 = NULL((void *)0), *mp3 = NULL((void *)0);
726 int i, len, tlen, error = 0;
727
728 len = 0;
729 i = 0;
730 while (len < NFS_MAXPATHLEN1024) {
731 NFSMGET(mp)do { (((mp)) = m_get((0x0002), (1))); while ((mp) == ((void *
)0) ) { (void) nfs_catnap(((80) + 20), 0, "nfsmget"); (((mp))
= m_get((0x0002), (1))); } } while (0);
732 MCLGET(mp, M_WAITOK)m_clget((mp), (0x0002));
733 mp->m_len = M_SIZE(mp)(((mp)->m_flags & 0x00000001) ? (mp)->m_ext.ext_size
: ((mp)->m_flags & 0x00000002) ? ((int)(256 - __builtin_offsetof
(struct mbuf, m_pktdat))) : ((int)(256 - __builtin_offsetof(struct
mbuf, m_dat))));
734 if (len == 0) {
735 mp3 = mp2 = mp;
736 } else {
737 mp2->m_next = mp;
738 mp2 = mp;
739 }
740 if ((len + mp->m_len) > NFS_MAXPATHLEN1024) {
741 mp->m_len = NFS_MAXPATHLEN1024 - len;
742 len = NFS_MAXPATHLEN1024;
743 } else {
744 len += mp->m_len;
745 }
746 ivp->iov_base = mtod(mp, caddr_t)((caddr_t)((mp)->m_data));
747 ivp->iov_len = mp->m_len;
748 i++;
749 ivp++;
750 }
751 uiop->uio_iov = iv;
752 uiop->uio_iovcnt = i;
753 uiop->uio_offset = 0;
754 uiop->uio_resid = len;
755 uiop->uio_rw = UIO_READ;
756 uiop->uio_segflg = UIO_SYSSPACE;
757 uiop->uio_td = NULL((void *)0);
758 error = VOP_READLINK(vp, uiop, cred);
759 if (error) {
760 m_freem(mp3);
761 *lenp = 0;
762 goto out;
763 }
764 if (uiop->uio_resid > 0) {
765 len -= uiop->uio_resid;
766 tlen = NFSM_RNDUP(len)(((len)+3)&(~0x3));
767 nfsrv_adj(mp3, NFS_MAXPATHLEN1024 - tlen, tlen - len);
768 }
769 *lenp = len;
770 *mpp = mp3;
771 *mpendp = mp;
772
773out:
774 NFSEXITCODE(error);
775 return (error);
776}
777
778/*
779 * Read vnode op call into mbuf list.
780 */
781int
782nfsvno_read(struct vnode *vp, off_t off, int cnt, struct ucred *cred,
783 struct thread *p, struct mbuf **mpp, struct mbuf **mpendp)
784{
785 struct mbuf *m;
786 int i;
787 struct iovec *iv;
788 struct iovec *iv2;
789 int error = 0, len, left, siz, tlen, ioflag = 0;
790 struct mbuf *m2 = NULL((void *)0), *m3;
791 struct uio io, *uiop = &io;
792 struct nfsheur *nh;
793
794 /*
795 * Attempt to read from a DS file. A return of ENOENT implies
796 * there is no DS file to read.
797 */
798 error = nfsrv_proxyds(NULL((void *)0), vp, off, cnt, cred, p, NFSPROC_READDS52, mpp,
799 NULL((void *)0), mpendp, NULL((void *)0), NULL((void *)0));
800 if (error != ENOENT2)
801 return (error);
802
803 len = left = NFSM_RNDUP(cnt)(((cnt)+3)&(~0x3));
804 m3 = NULL((void *)0);
805 /*
806 * Generate the mbuf list with the uio_iov ref. to it.
807 */
808 i = 0;
809 while (left > 0) {
810 NFSMGET(m)do { (((m)) = m_get((0x0002), (1))); while ((m) == ((void *)0
) ) { (void) nfs_catnap(((80) + 20), 0, "nfsmget"); (((m)) = m_get
((0x0002), (1))); } } while (0);
811 MCLGET(m, M_WAITOK)m_clget((m), (0x0002));
812 m->m_len = 0;
813 siz = min(M_TRAILINGSPACE(m)((!((m)->m_flags & 0x00000008) && (!(((m)->
m_flags & 0x00000001)) || (m_extrefcnt(m) == 1))) ? (((((
m)->m_flags & 0x00000001) ? (m)->m_ext.ext_buf : ((
m)->m_flags & 0x00000002) ? &(m)->m_pktdat[0] :
&(m)->m_dat[0]) + (((m)->m_flags & 0x00000001)
? (m)->m_ext.ext_size : ((m)->m_flags & 0x00000002
) ? ((int)(256 - __builtin_offsetof(struct mbuf, m_pktdat))) :
((int)(256 - __builtin_offsetof(struct mbuf, m_dat))))) - ((
m)->m_data + (m)->m_len)) : 0), left);
814 left -= siz;
815 i++;
816 if (m3)
817 m2->m_next = m;
818 else
819 m3 = m;
820 m2 = m;
821 }
822 iv = malloc(i * sizeof (struct iovec),
823 M_TEMP, M_WAITOK0x0002);
824 uiop->uio_iov = iv2 = iv;
825 m = m3;
826 left = len;
827 i = 0;
828 while (left > 0) {
829 if (m == NULL((void *)0))
830 panic("nfsvno_read iov");
831 siz = min(M_TRAILINGSPACE(m)((!((m)->m_flags & 0x00000008) && (!(((m)->
m_flags & 0x00000001)) || (m_extrefcnt(m) == 1))) ? (((((
m)->m_flags & 0x00000001) ? (m)->m_ext.ext_buf : ((
m)->m_flags & 0x00000002) ? &(m)->m_pktdat[0] :
&(m)->m_dat[0]) + (((m)->m_flags & 0x00000001)
? (m)->m_ext.ext_size : ((m)->m_flags & 0x00000002
) ? ((int)(256 - __builtin_offsetof(struct mbuf, m_pktdat))) :
((int)(256 - __builtin_offsetof(struct mbuf, m_dat))))) - ((
m)->m_data + (m)->m_len)) : 0), left);
832 if (siz > 0) {
833 iv->iov_base = mtod(m, caddr_t)((caddr_t)((m)->m_data)) + m->m_len;
834 iv->iov_len = siz;
835 m->m_len += siz;
836 left -= siz;
837 iv++;
838 i++;
839 }
840 m = m->m_next;
841 }
842 uiop->uio_iovcnt = i;
843 uiop->uio_offset = off;
844 uiop->uio_resid = len;
845 uiop->uio_rw = UIO_READ;
846 uiop->uio_segflg = UIO_SYSSPACE;
847 uiop->uio_td = NULL((void *)0);
848 nh = nfsrv_sequential_heuristic(uiop, vp);
849 ioflag |= nh->nh_seqcount << IO_SEQSHIFT16;
850 /* XXX KDM make this more systematic? */
851 nfsstatsv1.srvbytes[NFSV4OP_READ25] += uiop->uio_resid;
852 error = VOP_READ(vp, uiop, IO_NODELOCKED0x0008 | ioflag, cred);
853 free(iv2, M_TEMP);
854 if (error) {
855 m_freem(m3);
856 *mpp = NULL((void *)0);
857 goto out;
858 }
859 nh->nh_nextoff = uiop->uio_offset;
860 tlen = len - uiop->uio_resid;
861 cnt = cnt < tlen ? cnt : tlen;
862 tlen = NFSM_RNDUP(cnt)(((cnt)+3)&(~0x3));
863 if (tlen == 0) {
864 m_freem(m3);
865 m3 = NULL((void *)0);
866 } else if (len != tlen || tlen != cnt)
867 nfsrv_adj(m3, len - tlen, tlen - cnt);
868 *mpp = m3;
869 *mpendp = m2;
870
871out:
872 NFSEXITCODE(error);
873 return (error);
874}
875
876/*
877 * Write vnode op from an mbuf list.
878 */
879int
880nfsvno_write(struct vnode *vp, off_t off, int retlen, int cnt, int *stable,
881 struct mbuf *mp, char *cp, struct ucred *cred, struct thread *p)
882{
883 struct iovec *ivp;
884 int i, len;
885 struct iovec *iv;
886 int ioflags, error;
887 struct uio io, *uiop = &io;
888 struct nfsheur *nh;
889
890 /*
891 * Attempt to write to a DS file. A return of ENOENT implies
892 * there is no DS file to write.
893 */
894 error = nfsrv_proxyds(NULL((void *)0), vp, off, retlen, cred, p, NFSPROC_WRITEDS51,
895 &mp, cp, NULL((void *)0), NULL((void *)0), NULL((void *)0));
896 if (error != ENOENT2) {
897 *stable = NFSWRITE_FILESYNC2;
898 return (error);
899 }
900
901 ivp = malloc(cnt * sizeof (struct iovec), M_TEMP,
902 M_WAITOK0x0002);
903 uiop->uio_iov = iv = ivp;
904 uiop->uio_iovcnt = cnt;
905 i = mtod(mp, caddr_t)((caddr_t)((mp)->m_data)) + mp->m_len - cp;
906 len = retlen;
907 while (len > 0) {
908 if (mp == NULL((void *)0))
909 panic("nfsvno_write");
910 if (i > 0) {
911 i = min(i, len);
912 ivp->iov_base = cp;
913 ivp->iov_len = i;
914 ivp++;
915 len -= i;
916 }
917 mp = mp->m_next;
918 if (mp) {
919 i = mp->m_len;
920 cp = mtod(mp, caddr_t)((caddr_t)((mp)->m_data));
921 }
922 }
923
924 if (*stable == NFSWRITE_UNSTABLE0)
925 ioflags = IO_NODELOCKED0x0008;
926 else
927 ioflags = (IO_SYNC0x0080 | IO_NODELOCKED0x0008);
928 uiop->uio_resid = retlen;
929 uiop->uio_rw = UIO_WRITE;
930 uiop->uio_segflg = UIO_SYSSPACE;
931 NFSUIOPROC(uiop, p)((uiop)->uio_td = ((void *)0));
932 uiop->uio_offset = off;
933 nh = nfsrv_sequential_heuristic(uiop, vp);
934 ioflags |= nh->nh_seqcount << IO_SEQSHIFT16;
935 /* XXX KDM make this more systematic? */
936 nfsstatsv1.srvbytes[NFSV4OP_WRITE38] += uiop->uio_resid;
937 error = VOP_WRITE(vp, uiop, ioflags, cred);
938 if (error == 0)
939 nh->nh_nextoff = uiop->uio_offset;
940 free(iv, M_TEMP);
941
942 NFSEXITCODE(error);
943 return (error);
944}
945
946/*
947 * Common code for creating a regular file (plus special files for V2).
948 */
949int
950nfsvno_createsub(struct nfsrv_descript *nd, struct nameidata *ndp,
951 struct vnode **vpp, struct nfsvattr *nvap, int *exclusive_flagp,
952 int32_t *cverf, NFSDEV_Tdev_t rdev, struct thread *p, struct nfsexstuff *exp)
953{
954 u_quad_t tempsize;
955 int error;
956
957 error = nd->nd_repstat;
958 if (!error && ndp->ni_vp == NULL((void *)0)) {
959 if (nvap->na_typena_vattr.va_type == VREG || nvap->na_typena_vattr.va_type == VSOCK) {
960 vrele(ndp->ni_startdir);
961 error = VOP_CREATE(ndp->ni_dvp,
962 &ndp->ni_vp, &ndp->ni_cnd, &nvap->na_vattr);
963 /* For a pNFS server, create the data file on a DS. */
964 if (error == 0 && nvap->na_typena_vattr.va_type == VREG) {
965 /*
966 * Create a data file on a DS for a pNFS server.
967 * This function just returns if not
968 * running a pNFS DS or the creation fails.
969 */
970 nfsrv_pnfscreate(ndp->ni_vp, &nvap->na_vattr,
971 nd->nd_cred, p);
972 }
973 vput(ndp->ni_dvp);
974 nfsvno_relpathbuf(ndp);
975 if (!error) {
976 if (*exclusive_flagp) {
977 *exclusive_flagp = 0;
978 NFSVNO_ATTRINIT(nvap)((*(&((nvap)->na_vattr)) = va_null));
979 nvap->na_atimena_vattr.va_atime.tv_sec = cverf[0];
980 nvap->na_atimena_vattr.va_atime.tv_nsec = cverf[1];
981 error = VOP_SETATTR(ndp->ni_vp,
982 &nvap->na_vattr, nd->nd_cred);
983 if (error != 0) {
984 vput(ndp->ni_vp);
985 ndp->ni_vp = NULL((void *)0);
986 error = NFSERR_NOTSUPP10004;
987 }
988 }
989 }
990 /*
991 * NFS V2 Only. nfsrvd_mknod() does this for V3.
992 * (This implies, just get out on an error.)
993 */
994 } else if (nvap->na_typena_vattr.va_type == VCHR || nvap->na_typena_vattr.va_type == VBLK ||
995 nvap->na_typena_vattr.va_type == VFIFO) {
996 if (nvap->na_typena_vattr.va_type == VCHR && rdev == 0xffffffff)
997 nvap->na_typena_vattr.va_type = VFIFO;
998 if (nvap->na_typena_vattr.va_type != VFIFO &&
999 (error = priv_check_cred(nd->nd_cred, PRIV_VFS_MKNOD_DEV331))) {
1000 vrele(ndp->ni_startdir);
1001 nfsvno_relpathbuf(ndp);
1002 vput(ndp->ni_dvp);
1003 goto out;
1004 }
1005 nvap->na_rdevna_vattr.va_rdev = rdev;
1006 error = VOP_MKNOD(ndp->ni_dvp, &ndp->ni_vp,
1007 &ndp->ni_cnd, &nvap->na_vattr);
1008 vput(ndp->ni_dvp);
1009 nfsvno_relpathbuf(ndp);
1010 vrele(ndp->ni_startdir);
1011 if (error)
1012 goto out;
1013 } else {
1014 vrele(ndp->ni_startdir);
1015 nfsvno_relpathbuf(ndp);
1016 vput(ndp->ni_dvp);
1017 error = ENXIO6;
1018 goto out;
1019 }
1020 *vpp = ndp->ni_vp;
1021 } else {
1022 /*
1023 * Handle cases where error is already set and/or
1024 * the file exists.
1025 * 1 - clean up the lookup
1026 * 2 - iff !error and na_size set, truncate it
1027 */
1028 vrele(ndp->ni_startdir);
1029 nfsvno_relpathbuf(ndp);
1030 *vpp = ndp->ni_vp;
1031 if (ndp->ni_dvp == *vpp)
1032 vrele(ndp->ni_dvp);
1033 else
1034 vput(ndp->ni_dvp);
1035 if (!error && nvap->na_sizena_vattr.va_size != VNOVAL(-1)) {
1036 error = nfsvno_accchk(*vpp, VWRITE000000000200,
1037 nd->nd_cred, exp, p, NFSACCCHK_NOOVERRIDE0,
1038 NFSACCCHK_VPISLOCKED1, NULL((void *)0));
1039 if (!error) {
1040 tempsize = nvap->na_sizena_vattr.va_size;
1041 NFSVNO_ATTRINIT(nvap)((*(&((nvap)->na_vattr)) = va_null));
1042 nvap->na_sizena_vattr.va_size = tempsize;
1043 error = VOP_SETATTR(*vpp,
1044 &nvap->na_vattr, nd->nd_cred);
1045 }
1046 }
1047 if (error)
1048 vput(*vpp);
1049 }
1050
1051out:
1052 NFSEXITCODE(error);
1053 return (error);
1054}
1055
1056/*
1057 * Do a mknod vnode op.
1058 */
1059int
1060nfsvno_mknod(struct nameidata *ndp, struct nfsvattr *nvap, struct ucred *cred,
1061 struct thread *p)
1062{
1063 int error = 0;
1064 enum vtype vtyp;
1065
1066 vtyp = nvap->na_typena_vattr.va_type;
1067 /*
1068 * Iff doesn't exist, create it.
1069 */
1070 if (ndp->ni_vp) {
1071 vrele(ndp->ni_startdir);
1072 nfsvno_relpathbuf(ndp);
1073 vput(ndp->ni_dvp);
1074 vrele(ndp->ni_vp);
1075 error = EEXIST17;
1076 goto out;
1077 }
1078 if (vtyp != VCHR && vtyp != VBLK && vtyp != VSOCK && vtyp != VFIFO) {
1079 vrele(ndp->ni_startdir);
1080 nfsvno_relpathbuf(ndp);
1081 vput(ndp->ni_dvp);
1082 error = NFSERR_BADTYPE10007;
1083 goto out;
1084 }
1085 if (vtyp == VSOCK) {
1086 vrele(ndp->ni_startdir);
1087 error = VOP_CREATE(ndp->ni_dvp, &ndp->ni_vp,
1088 &ndp->ni_cnd, &nvap->na_vattr);
1089 vput(ndp->ni_dvp);
1090 nfsvno_relpathbuf(ndp);
1091 } else {
1092 if (nvap->na_typena_vattr.va_type != VFIFO &&
1093 (error = priv_check_cred(cred, PRIV_VFS_MKNOD_DEV331))) {
1094 vrele(ndp->ni_startdir);
1095 nfsvno_relpathbuf(ndp);
1096 vput(ndp->ni_dvp);
1097 goto out;
1098 }
1099 error = VOP_MKNOD(ndp->ni_dvp, &ndp->ni_vp,
1100 &ndp->ni_cnd, &nvap->na_vattr);
1101 vput(ndp->ni_dvp);
1102 nfsvno_relpathbuf(ndp);
1103 vrele(ndp->ni_startdir);
1104 /*
1105 * Since VOP_MKNOD returns the ni_vp, I can't
1106 * see any reason to do the lookup.
1107 */
1108 }
1109
1110out:
1111 NFSEXITCODE(error);
1112 return (error);
1113}
1114
1115/*
1116 * Mkdir vnode op.
1117 */
1118int
1119nfsvno_mkdir(struct nameidata *ndp, struct nfsvattr *nvap, uid_t saved_uid,
1120 struct ucred *cred, struct thread *p, struct nfsexstuff *exp)
1121{
1122 int error = 0;
1123
1124 if (ndp->ni_vp != NULL((void *)0)) {
1125 if (ndp->ni_dvp == ndp->ni_vp)
1126 vrele(ndp->ni_dvp);
1127 else
1128 vput(ndp->ni_dvp);
1129 vrele(ndp->ni_vp);
1130 nfsvno_relpathbuf(ndp);
1131 error = EEXIST17;
1132 goto out;
1133 }
1134 error = VOP_MKDIR(ndp->ni_dvp, &ndp->ni_vp, &ndp->ni_cnd,
1135 &nvap->na_vattr);
1136 vput(ndp->ni_dvp);
1137 nfsvno_relpathbuf(ndp);
1138
1139out:
1140 NFSEXITCODE(error);
1141 return (error);
1142}
1143
1144/*
1145 * symlink vnode op.
1146 */
1147int
1148nfsvno_symlink(struct nameidata *ndp, struct nfsvattr *nvap, char *pathcp,
1149 int pathlen, int not_v2, uid_t saved_uid, struct ucred *cred, struct thread *p,
1150 struct nfsexstuff *exp)
1151{
1152 int error = 0;
1153
1154 if (ndp->ni_vp) {
1155 vrele(ndp->ni_startdir);
1156 nfsvno_relpathbuf(ndp);
1157 if (ndp->ni_dvp == ndp->ni_vp)
1158 vrele(ndp->ni_dvp);
1159 else
1160 vput(ndp->ni_dvp);
1161 vrele(ndp->ni_vp);
1162 error = EEXIST17;
1163 goto out;
1164 }
1165
1166 error = VOP_SYMLINK(ndp->ni_dvp, &ndp->ni_vp, &ndp->ni_cnd,
1167 &nvap->na_vattr, pathcp);
1168 vput(ndp->ni_dvp);
1169 vrele(ndp->ni_startdir);
1170 nfsvno_relpathbuf(ndp);
1171 /*
1172 * Although FreeBSD still had the lookup code in
1173 * it for 7/current, there doesn't seem to be any
1174 * point, since VOP_SYMLINK() returns the ni_vp.
1175 * Just vput it for v2.
1176 */
1177 if (!not_v2 && !error)
1178 vput(ndp->ni_vp);
1179
1180out:
1181 NFSEXITCODE(error);
1182 return (error);
1183}
1184
1185/*
1186 * Parse symbolic link arguments.
1187 * This function has an ugly side effect. It will malloc() an area for
1188 * the symlink and set iov_base to point to it, only if it succeeds.
1189 * So, if it returns with uiop->uio_iov->iov_base != NULL, that must
1190 * be FREE'd later.
1191 */
1192int
1193nfsvno_getsymlink(struct nfsrv_descript *nd, struct nfsvattr *nvap,
1194 struct thread *p, char **pathcpp, int *lenp)
1195{
1196 u_int32_t *tl;
1197 char *pathcp = NULL((void *)0);
1198 int error = 0, len;
1199 struct nfsv2_sattr *sp;
1200
1201 *pathcpp = NULL((void *)0);
1202 *lenp = 0;
1203 if ((nd->nd_flag & ND_NFSV30x00000008) &&
1204 (error = nfsrv_sattr(nd, NULL((void *)0), nvap, NULL((void *)0), NULL((void *)0), p)))
1205 goto nfsmout;
1206 NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (4)); if ((tl) == (
(void *)0)) { error = 72; goto nfsmout; } } while (0);
1207 len = fxdr_unsigned(int, *tl)((int)(__builtin_constant_p((int32_t)(*tl)) ? (((__uint32_t)(
(__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*tl
))) & 0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(
(int32_t)(*tl))) & 0xffff)) << 8 | ((__uint16_t)(((
__uint32_t)((int32_t)(*tl))) & 0xffff)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) & 0xffff))) << 16) |
((__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*
tl))) >> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)
((int32_t)(*tl))) >> 16)) << 8 | ((__uint16_t)(((
__uint32_t)((int32_t)(*tl))) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) >> 16)))) : __bswap32_var
((int32_t)(*tl))));
1208 if (len > NFS_MAXPATHLEN1024 || len <= 0) {
1209 error = EBADRPC72;
1210 goto nfsmout;
1211 }
1212 pathcp = malloc(len + 1, M_TEMP, M_WAITOK0x0002);
1213 error = nfsrv_mtostr(nd, pathcp, len);
1214 if (error)
1215 goto nfsmout;
1216 if (nd->nd_flag & ND_NFSV20x00000004) {
1217 NFSM_DISSECT(sp, struct nfsv2_sattr *, NFSX_V2SATTR)do { (sp) = (struct nfsv2_sattr *)nfsm_dissect(nd, (32)); if (
(sp) == ((void *)0)) { error = 72; goto nfsmout; } } while (0
);
1218 nvap->na_modena_vattr.va_mode = fxdr_unsigned(u_int16_t, sp->sa_mode)((u_int16_t)(__builtin_constant_p((int32_t)(sp->sa_mode)) ?
(((__uint32_t)((__uint16_t)(__builtin_constant_p(((__uint32_t
)((int32_t)(sp->sa_mode))) & 0xffff) ? (__uint16_t)(((
__uint16_t)(((__uint32_t)((int32_t)(sp->sa_mode))) & 0xffff
)) << 8 | ((__uint16_t)(((__uint32_t)((int32_t)(sp->
sa_mode))) & 0xffff)) >> 8) : __bswap16_var(((__uint32_t
)((int32_t)(sp->sa_mode))) & 0xffff))) << 16) | (
(__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(sp->
sa_mode))) >> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t
)((int32_t)(sp->sa_mode))) >> 16)) << 8 | ((__uint16_t
)(((__uint32_t)((int32_t)(sp->sa_mode))) >> 16)) >>
8) : __bswap16_var(((__uint32_t)((int32_t)(sp->sa_mode)))
>> 16)))) : __bswap32_var((int32_t)(sp->sa_mode))));
1219 }
1220 *pathcpp = pathcp;
1221 *lenp = len;
1222 NFSEXITCODE2(0, nd);
1223 return (0);
1224nfsmout:
1225 if (pathcp)
1226 free(pathcp, M_TEMP);
1227 NFSEXITCODE2(error, nd);
1228 return (error);
1229}
1230
1231/*
1232 * Remove a non-directory object.
1233 */
1234int
1235nfsvno_removesub(struct nameidata *ndp, int is_v4, struct ucred *cred,
1236 struct thread *p, struct nfsexstuff *exp)
1237{
1238 struct vnode *vp, *dsdvp[NFSDEV_MAXMIRRORS4];
1239 int error = 0, mirrorcnt;
1240 char fname[PNFS_FILENAME_LEN(2 * sizeof(fhandle_t)) + 1];
1241 fhandle_t fh;
1242
1243 vp = ndp->ni_vp;
1244 dsdvp[0] = NULL((void *)0);
1245 if (vp->v_type == VDIR)
1246 error = NFSERR_ISDIR21;
1247 else if (is_v4)
1248 error = nfsrv_checkremove(vp, 1, p);
1249 if (error == 0)
1250 nfsrv_pnfsremovesetup(vp, p, dsdvp, &mirrorcnt, fname, &fh);
1251 if (!error)
1252 error = VOP_REMOVE(ndp->ni_dvp, vp, &ndp->ni_cnd);
1253 if (error == 0 && dsdvp[0] != NULL((void *)0))
1254 nfsrv_pnfsremove(dsdvp, mirrorcnt, fname, &fh, p);
1255 if (ndp->ni_dvp == vp)
1256 vrele(ndp->ni_dvp);
1257 else
1258 vput(ndp->ni_dvp);
1259 vput(vp);
1260 if ((ndp->ni_cnd.cn_flags & SAVENAME0x00000800) != 0)
1261 nfsvno_relpathbuf(ndp);
1262 NFSEXITCODE(error);
1263 return (error);
1264}
1265
1266/*
1267 * Remove a directory.
1268 */
1269int
1270nfsvno_rmdirsub(struct nameidata *ndp, int is_v4, struct ucred *cred,
1271 struct thread *p, struct nfsexstuff *exp)
1272{
1273 struct vnode *vp;
1274 int error = 0;
1275
1276 vp = ndp->ni_vp;
1277 if (vp->v_type != VDIR) {
1278 error = ENOTDIR20;
1279 goto out;
1280 }
1281 /*
1282 * No rmdir "." please.
1283 */
1284 if (ndp->ni_dvp == vp) {
1285 error = EINVAL22;
1286 goto out;
1287 }
1288 /*
1289 * The root of a mounted filesystem cannot be deleted.
1290 */
1291 if (vp->v_vflag & VV_ROOT0x0001)
1292 error = EBUSY16;
1293out:
1294 if (!error)
1295 error = VOP_RMDIR(ndp->ni_dvp, vp, &ndp->ni_cnd);
1296 if (ndp->ni_dvp == vp)
1297 vrele(ndp->ni_dvp);
1298 else
1299 vput(ndp->ni_dvp);
1300 vput(vp);
1301 if ((ndp->ni_cnd.cn_flags & SAVENAME0x00000800) != 0)
1302 nfsvno_relpathbuf(ndp);
1303 NFSEXITCODE(error);
1304 return (error);
1305}
1306
1307/*
1308 * Rename vnode op.
1309 */
1310int
1311nfsvno_rename(struct nameidata *fromndp, struct nameidata *tondp,
1312 u_int32_t ndstat, u_int32_t ndflag, struct ucred *cred, struct thread *p)
1313{
1314 struct vnode *fvp, *tvp, *tdvp, *dsdvp[NFSDEV_MAXMIRRORS4];
1315 int error = 0, mirrorcnt;
1316 char fname[PNFS_FILENAME_LEN(2 * sizeof(fhandle_t)) + 1];
1317 fhandle_t fh;
1318
1319 dsdvp[0] = NULL((void *)0);
1320 fvp = fromndp->ni_vp;
1321 if (ndstat) {
1322 vrele(fromndp->ni_dvp);
1323 vrele(fvp);
1324 error = ndstat;
1325 goto out1;
1326 }
1327 tdvp = tondp->ni_dvp;
1328 tvp = tondp->ni_vp;
1329 if (tvp != NULL((void *)0)) {
1330 if (fvp->v_type == VDIR && tvp->v_type != VDIR) {
1331 error = (ndflag & ND_NFSV20x00000004) ? EISDIR21 : EEXIST17;
1332 goto out;
1333 } else if (fvp->v_type != VDIR && tvp->v_type == VDIR) {
1334 error = (ndflag & ND_NFSV20x00000004) ? ENOTDIR20 : EEXIST17;
1335 goto out;
1336 }
1337 if (tvp->v_type == VDIR && tvp->v_mountedhere) {
1338 error = (ndflag & ND_NFSV20x00000004) ? ENOTEMPTY66 : EXDEV18;
1339 goto out;
1340 }
1341
1342 /*
1343 * A rename to '.' or '..' results in a prematurely
1344 * unlocked vnode on FreeBSD5, so I'm just going to fail that
1345 * here.
1346 */
1347 if ((tondp->ni_cnd.cn_namelen == 1 &&
1348 tondp->ni_cnd.cn_nameptr[0] == '.') ||
1349 (tondp->ni_cnd.cn_namelen == 2 &&
1350 tondp->ni_cnd.cn_nameptr[0] == '.' &&
1351 tondp->ni_cnd.cn_nameptr[1] == '.')) {
1352 error = EINVAL22;
1353 goto out;
1354 }
1355 }
1356 if (fvp->v_type == VDIR && fvp->v_mountedhere) {
1357 error = (ndflag & ND_NFSV20x00000004) ? ENOTEMPTY66 : EXDEV18;
1358 goto out;
1359 }
1360 if (fvp->v_mount != tdvp->v_mount) {
1361 error = (ndflag & ND_NFSV20x00000004) ? ENOTEMPTY66 : EXDEV18;
1362 goto out;
1363 }
1364 if (fvp == tdvp) {
1365 error = (ndflag & ND_NFSV20x00000004) ? ENOTEMPTY66 : EINVAL22;
1366 goto out;
1367 }
1368 if (fvp == tvp) {
1369 /*
1370 * If source and destination are the same, there is nothing to
1371 * do. Set error to -1 to indicate this.
1372 */
1373 error = -1;
1374 goto out;
1375 }
1376 if (ndflag & ND_NFSV40x00000010) {
1377 if (NFSVOPLOCK(fvp, LK_EXCLUSIVE)_vn_lock((fvp), (0x080000), "/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
, 1377) == 0) {
1378 error = nfsrv_checkremove(fvp, 0, p);
1379 NFSVOPUNLOCK(fvp, 0)VOP_UNLOCK((fvp), (0));
1380 } else
1381 error = EPERM1;
1382 if (tvp && !error)
1383 error = nfsrv_checkremove(tvp, 1, p);
1384 } else {
1385 /*
1386 * For NFSv2 and NFSv3, try to get rid of the delegation, so
1387 * that the NFSv4 client won't be confused by the rename.
1388 * Since nfsd_recalldelegation() can only be called on an
1389 * unlocked vnode at this point and fvp is the file that will
1390 * still exist after the rename, just do fvp.
1391 */
1392 nfsd_recalldelegation(fvp, p);
1393 }
1394 if (error == 0 && tvp != NULL((void *)0)) {
1395 nfsrv_pnfsremovesetup(tvp, p, dsdvp, &mirrorcnt, fname, &fh);
1396 NFSD_DEBUG(4, "nfsvno_rename: pnfsremovesetup"do { if (nfsd_debuglevel >= (4)) printf("nfsvno_rename: pnfsremovesetup"
" dsdvp=%p\n", dsdvp[0]); } while (0)
1397 " dsdvp=%p\n", dsdvp[0])do { if (nfsd_debuglevel >= (4)) printf("nfsvno_rename: pnfsremovesetup"
" dsdvp=%p\n", dsdvp[0]); } while (0);
1398 }
1399out:
1400 if (!error) {
1401 error = VOP_RENAME(fromndp->ni_dvp, fromndp->ni_vp,
1402 &fromndp->ni_cnd, tondp->ni_dvp, tondp->ni_vp,
1403 &tondp->ni_cnd);
1404 } else {
1405 if (tdvp == tvp)
1406 vrele(tdvp);
1407 else
1408 vput(tdvp);
1409 if (tvp)
1410 vput(tvp);
1411 vrele(fromndp->ni_dvp);
1412 vrele(fvp);
1413 if (error == -1)
1414 error = 0;
1415 }
1416
1417 /*
1418 * If dsdvp[0] != NULL, it was set up by nfsrv_pnfsremovesetup() and
1419 * if the rename succeeded, the DS file for the tvp needs to be
1420 * removed.
1421 */
1422 if (error == 0 && dsdvp[0] != NULL((void *)0)) {
1423 nfsrv_pnfsremove(dsdvp, mirrorcnt, fname, &fh, p);
1424 NFSD_DEBUG(4, "nfsvno_rename: pnfsremove\n")do { if (nfsd_debuglevel >= (4)) printf("nfsvno_rename: pnfsremove\n"
); } while (0);
1425 }
1426
1427 vrele(tondp->ni_startdir);
1428 nfsvno_relpathbuf(tondp);
1429out1:
1430 vrele(fromndp->ni_startdir);
1431 nfsvno_relpathbuf(fromndp);
1432 NFSEXITCODE(error);
1433 return (error);
1434}
1435
1436/*
1437 * Link vnode op.
1438 */
1439int
1440nfsvno_link(struct nameidata *ndp, struct vnode *vp, struct ucred *cred,
1441 struct thread *p, struct nfsexstuff *exp)
1442{
1443 struct vnode *xp;
1444 int error = 0;
1445
1446 xp = ndp->ni_vp;
1447 if (xp != NULL((void *)0)) {
1448 error = EEXIST17;
1449 } else {
1450 xp = ndp->ni_dvp;
1451 if (vp->v_mount != xp->v_mount)
1452 error = EXDEV18;
1453 }
1454 if (!error) {
1455 NFSVOPLOCK(vp, LK_EXCLUSIVE | LK_RETRY)_vn_lock((vp), (0x080000 | 0x000400), "/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
, 1455);
1456 if ((vp->v_iflag & VI_DOOMED0x0080) == 0)
1457 error = VOP_LINK(ndp->ni_dvp, vp, &ndp->ni_cnd);
1458 else
1459 error = EPERM1;
1460 if (ndp->ni_dvp == vp)
1461 vrele(ndp->ni_dvp);
1462 else
1463 vput(ndp->ni_dvp);
1464 NFSVOPUNLOCK(vp, 0)VOP_UNLOCK((vp), (0));
1465 } else {
1466 if (ndp->ni_dvp == ndp->ni_vp)
1467 vrele(ndp->ni_dvp);
1468 else
1469 vput(ndp->ni_dvp);
1470 if (ndp->ni_vp)
1471 vrele(ndp->ni_vp);
1472 }
1473 nfsvno_relpathbuf(ndp);
1474 NFSEXITCODE(error);
1475 return (error);
1476}
1477
1478/*
1479 * Do the fsync() appropriate for the commit.
1480 */
1481int
1482nfsvno_fsync(struct vnode *vp, u_int64_t off, int cnt, struct ucred *cred,
1483 struct thread *td)
1484{
1485 int error = 0;
1486
1487 /*
1488 * RFC 1813 3.3.21: if count is 0, a flush from offset to the end of
1489 * file is done. At this time VOP_FSYNC does not accept offset and
1490 * byte count parameters so call VOP_FSYNC the whole file for now.
1491 * The same is true for NFSv4: RFC 3530 Sec. 14.2.3.
1492 * File systems that do not use the buffer cache (as indicated
1493 * by MNTK_USES_BCACHE not being set) must use VOP_FSYNC().
1494 */
1495 if (cnt == 0 || cnt > MAX_COMMIT_COUNT(1024 * 1024) ||
1496 (vp->v_mount->mnt_kern_flag & MNTK_USES_BCACHE0x00004000) == 0) {
1497 /*
1498 * Give up and do the whole thing
1499 */
1500 if (vp->v_objectv_bufobj.bo_object &&
1501 (vp->v_objectv_bufobj.bo_object->flags & OBJ_MIGHTBEDIRTY0x0100)) {
1502 VM_OBJECT_WLOCK(vp->v_object)_rw_wlock_cookie(&((&(vp->v_bufobj.bo_object)->
lock))->rw_lock, "/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
, 1502);
1503 vm_object_page_clean(vp->v_objectv_bufobj.bo_object, 0, 0, OBJPC_SYNC0x1);
1504 VM_OBJECT_WUNLOCK(vp->v_object)_rw_wunlock_cookie(&((&(vp->v_bufobj.bo_object)->
lock))->rw_lock, "/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
, 1504);
1505 }
1506 error = VOP_FSYNC(vp, MNT_WAIT1, td);
1507 } else {
1508 /*
1509 * Locate and synchronously write any buffers that fall
1510 * into the requested range. Note: we are assuming that
1511 * f_iosize is a power of 2.
1512 */
1513 int iosize = vp->v_mount->mnt_stat.f_iosize;
1514 int iomask = iosize - 1;
1515 struct bufobj *bo;
1516 daddr_t lblkno;
1517
1518 /*
1519 * Align to iosize boundary, super-align to page boundary.
1520 */
1521 if (off & iomask) {
1522 cnt += off & iomask;
1523 off &= ~(u_quad_t)iomask;
1524 }
1525 if (off & PAGE_MASK((1<<12)-1)) {
1526 cnt += off & PAGE_MASK((1<<12)-1);
1527 off &= ~(u_quad_t)PAGE_MASK((1<<12)-1);
1528 }
1529 lblkno = off / iosize;
1530
1531 if (vp->v_objectv_bufobj.bo_object &&
1532 (vp->v_objectv_bufobj.bo_object->flags & OBJ_MIGHTBEDIRTY0x0100)) {
1533 VM_OBJECT_WLOCK(vp->v_object)_rw_wlock_cookie(&((&(vp->v_bufobj.bo_object)->
lock))->rw_lock, "/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
, 1533);
1534 vm_object_page_clean(vp->v_objectv_bufobj.bo_object, off, off + cnt,
1535 OBJPC_SYNC0x1);
1536 VM_OBJECT_WUNLOCK(vp->v_object)_rw_wunlock_cookie(&((&(vp->v_bufobj.bo_object)->
lock))->rw_lock, "/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
, 1536);
1537 }
1538
1539 bo = &vp->v_bufobj;
1540 BO_LOCK(bo)_rw_wlock_cookie(&(((&((bo))->bo_lock)))->rw_lock
, "/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c", 1540);
1541 while (cnt > 0) {
1542 struct buf *bp;
1543
1544 /*
1545 * If we have a buffer and it is marked B_DELWRI we
1546 * have to lock and write it. Otherwise the prior
1547 * write is assumed to have already been committed.
1548 *
1549 * gbincore() can return invalid buffers now so we
1550 * have to check that bit as well (though B_DELWRI
1551 * should not be set if B_INVAL is set there could be
1552 * a race here since we haven't locked the buffer).
1553 */
1554 if ((bp = gbincore(&vp->v_bufobj, lblkno)) != NULL((void *)0)) {
1555 if (BUF_LOCK(bp, LK_EXCLUSIVE | LK_SLEEPFAIL |_lockmgr_args_rw(&(bp)->b_lock, (0x080000 | 0x000800 |
0x000100), ((&(bo)->bo_lock)), (((void *)0)), (0), (0
), "/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c", 1556)
1556 LK_INTERLOCK, BO_LOCKPTR(bo))_lockmgr_args_rw(&(bp)->b_lock, (0x080000 | 0x000800 |
0x000100), ((&(bo)->bo_lock)), (((void *)0)), (0), (0
), "/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c", 1556) == ENOLCK77) {
1557 BO_LOCK(bo)_rw_wlock_cookie(&(((&((bo))->bo_lock)))->rw_lock
, "/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c", 1557);
1558 continue; /* retry */
1559 }
1560 if ((bp->b_flags & (B_DELWRI0x00000080|B_INVAL0x00002000)) ==
1561 B_DELWRI0x00000080) {
1562 bremfree(bp);
1563 bp->b_flags &= ~B_ASYNC0x00000004;
1564 bwrite(bp);
1565 ++nfs_commit_miss;
1566 } else
1567 BUF_UNLOCK(bp)do { do { if (__builtin_expect((!(((bp)->b_flags & 0x80000000
) == 0)), 0)) panic ("BUF_UNLOCK %p while B_REMFREE is still set."
, (bp)); } while (0); (void)_lockmgr_args(&(bp)->b_lock
, 0x100000, ((void *)0), (((void *)0)), (0), (0), "/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
, 1567); } while (0);
1568 BO_LOCK(bo)_rw_wlock_cookie(&(((&((bo))->bo_lock)))->rw_lock
, "/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c", 1568);
1569 }
1570 ++nfs_commit_blks;
1571 if (cnt < iosize)
1572 break;
1573 cnt -= iosize;
1574 ++lblkno;
1575 }
1576 BO_UNLOCK(bo)_rw_wunlock_cookie(&(((&((bo))->bo_lock)))->rw_lock
, "/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c", 1576);
1577 }
1578 NFSEXITCODE(error);
1579 return (error);
1580}
1581
1582/*
1583 * Statfs vnode op.
1584 */
1585int
1586nfsvno_statfs(struct vnode *vp, struct statfs *sf)
1587{
1588 struct statfs *tsf;
1589 int error;
1590
1591 tsf = NULL((void *)0);
1592 if (nfsrv_devidcnt > 0) {
1593 /* For a pNFS service, get the DS numbers. */
1594 tsf = malloc(sizeof(*tsf), M_TEMP, M_WAITOK0x0002 | M_ZERO0x0100);
1595 error = nfsrv_pnfsstatfs(tsf, vp->v_mount);
1596 if (error != 0) {
1597 free(tsf, M_TEMP);
1598 tsf = NULL((void *)0);
1599 }
1600 }
1601 error = VFS_STATFS(vp->v_mount, sf)({ int _rc; _rc = __vfs_statfs((vp->v_mount), (sf)); _rc; }
);
1602 if (error == 0) {
1603 if (tsf != NULL((void *)0)) {
1604 sf->f_blocks = tsf->f_blocks;
1605 sf->f_bavail = tsf->f_bavail;
1606 sf->f_bfree = tsf->f_bfree;
1607 sf->f_bsize = tsf->f_bsize;
1608 }
1609 /*
1610 * Since NFS handles these values as unsigned on the
1611 * wire, there is no way to represent negative values,
1612 * so set them to 0. Without this, they will appear
1613 * to be very large positive values for clients like
1614 * Solaris10.
1615 */
1616 if (sf->f_bavail < 0)
1617 sf->f_bavail = 0;
1618 if (sf->f_ffree < 0)
1619 sf->f_ffree = 0;
1620 }
1621 free(tsf, M_TEMP);
1622 NFSEXITCODE(error);
1623 return (error);
1624}
1625
1626/*
1627 * Do the vnode op stuff for Open. Similar to nfsvno_createsub(), but
1628 * must handle nfsrv_opencheck() calls after any other access checks.
1629 */
1630void
1631nfsvno_open(struct nfsrv_descript *nd, struct nameidata *ndp,
1632 nfsquad_t clientid, nfsv4stateid_t *stateidp, struct nfsstate *stp,
1633 int *exclusive_flagp, struct nfsvattr *nvap, int32_t *cverf, int create,
1634 NFSACL_Tstruct acl *aclp, nfsattrbit_t *attrbitp, struct ucred *cred, struct thread *p,
1635 struct nfsexstuff *exp, struct vnode **vpp)
1636{
1637 struct vnode *vp = NULL((void *)0);
1638 u_quad_t tempsize;
1639 struct nfsexstuff nes;
1640
1641 if (ndp->ni_vp == NULL((void *)0))
1642 nd->nd_repstat = nfsrv_opencheck(clientid,
1643 stateidp, stp, NULL((void *)0), nd, p, nd->nd_repstat);
1644 if (!nd->nd_repstat) {
1645 if (ndp->ni_vp == NULL((void *)0)) {
1646 vrele(ndp->ni_startdir);
1647 nd->nd_repstat = VOP_CREATE(ndp->ni_dvp,
1648 &ndp->ni_vp, &ndp->ni_cnd, &nvap->na_vattr);
1649 /* For a pNFS server, create the data file on a DS. */
1650 if (nd->nd_repstat == 0) {
1651 /*
1652 * Create a data file on a DS for a pNFS server.
1653 * This function just returns if not
1654 * running a pNFS DS or the creation fails.
1655 */
1656 nfsrv_pnfscreate(ndp->ni_vp, &nvap->na_vattr,
1657 cred, p);
1658 }
1659 vput(ndp->ni_dvp);
1660 nfsvno_relpathbuf(ndp);
1661 if (!nd->nd_repstat) {
1662 if (*exclusive_flagp) {
1663 *exclusive_flagp = 0;
1664 NFSVNO_ATTRINIT(nvap)((*(&((nvap)->na_vattr)) = va_null));
1665 nvap->na_atimena_vattr.va_atime.tv_sec = cverf[0];
1666 nvap->na_atimena_vattr.va_atime.tv_nsec = cverf[1];
1667 nd->nd_repstat = VOP_SETATTR(ndp->ni_vp,
1668 &nvap->na_vattr, cred);
1669 if (nd->nd_repstat != 0) {
1670 vput(ndp->ni_vp);
1671 ndp->ni_vp = NULL((void *)0);
1672 nd->nd_repstat = NFSERR_NOTSUPP10004;
1673 } else
1674 NFSSETBIT_ATTRBIT(attrbitp,((attrbitp)->bits[(47) / 32] |= (1 << ((47) % 32)))
1675 NFSATTRBIT_TIMEACCESS)((attrbitp)->bits[(47) / 32] |= (1 << ((47) % 32)));
1676 } else {
1677 nfsrv_fixattr(nd, ndp->ni_vp, nvap,
1678 aclp, p, attrbitp, exp);
1679 }
1680 }
1681 vp = ndp->ni_vp;
1682 } else {
1683 if (ndp->ni_startdir)
1684 vrele(ndp->ni_startdir);
1685 nfsvno_relpathbuf(ndp);
1686 vp = ndp->ni_vp;
1687 if (create == NFSV4OPEN_CREATE1) {
1688 if (ndp->ni_dvp == vp)
1689 vrele(ndp->ni_dvp);
1690 else
1691 vput(ndp->ni_dvp);
1692 }
1693 if (NFSVNO_ISSETSIZE(nvap)((nvap)->na_vattr.va_size != (-1)) && vp->v_type == VREG) {
1694 if (ndp->ni_cnd.cn_flags & RDONLY0x00000200)
1695 NFSVNO_SETEXRDONLY(&nes)((&nes)->nes_exflag = (0x0000000000000100ULL|0x0000000000000080ULL
));
1696 else
1697 NFSVNO_EXINIT(&nes)((&nes)->nes_exflag = 0);
1698 nd->nd_repstat = nfsvno_accchk(vp,
1699 VWRITE000000000200, cred, &nes, p,
1700 NFSACCCHK_NOOVERRIDE0,
1701 NFSACCCHK_VPISLOCKED1, NULL((void *)0));
1702 nd->nd_repstat = nfsrv_opencheck(clientid,
1703 stateidp, stp, vp, nd, p, nd->nd_repstat);
1704 if (!nd->nd_repstat) {
1705 tempsize = nvap->na_sizena_vattr.va_size;
1706 NFSVNO_ATTRINIT(nvap)((*(&((nvap)->na_vattr)) = va_null));
1707 nvap->na_sizena_vattr.va_size = tempsize;
1708 nd->nd_repstat = VOP_SETATTR(vp,
1709 &nvap->na_vattr, cred);
1710 }
1711 } else if (vp->v_type == VREG) {
1712 nd->nd_repstat = nfsrv_opencheck(clientid,
1713 stateidp, stp, vp, nd, p, nd->nd_repstat);
1714 }
1715 }
1716 } else {
1717 if (ndp->ni_cnd.cn_flags & HASBUF0x00000400)
1718 nfsvno_relpathbuf(ndp);
1719 if (ndp->ni_startdir && create == NFSV4OPEN_CREATE1) {
1720 vrele(ndp->ni_startdir);
1721 if (ndp->ni_dvp == ndp->ni_vp)
1722 vrele(ndp->ni_dvp);
1723 else
1724 vput(ndp->ni_dvp);
1725 if (ndp->ni_vp)
1726 vput(ndp->ni_vp);
1727 }
1728 }
1729 *vpp = vp;
1730
1731 NFSEXITCODE2(0, nd);
1732}
1733
1734/*
1735 * Updates the file rev and sets the mtime and ctime
1736 * to the current clock time, returning the va_filerev and va_Xtime
1737 * values.
1738 * Return ESTALE to indicate the vnode is VI_DOOMED.
1739 */
1740int
1741nfsvno_updfilerev(struct vnode *vp, struct nfsvattr *nvap,
1742 struct nfsrv_descript *nd, struct thread *p)
1743{
1744 struct vattr va;
1745
1746 VATTR_NULL(&va)(*(&va) = va_null);
1747 vfs_timestamp(&va.va_mtime);
1748 if (NFSVOPISLOCKED(vp)VOP_ISLOCKED((vp)) != LK_EXCLUSIVE0x080000) {
1749 NFSVOPLOCK(vp, LK_UPGRADE | LK_RETRY)_vn_lock((vp), (0x400000 | 0x000400), "/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
, 1749);
1750 if ((vp->v_iflag & VI_DOOMED0x0080) != 0)
1751 return (ESTALE70);
1752 }
1753 (void) VOP_SETATTR(vp, &va, nd->nd_cred);
1754 (void) nfsvno_getattr(vp, nvap, nd, p, 1, NULL((void *)0));
1755 return (0);
1756}
1757
1758/*
1759 * Glue routine to nfsv4_fillattr().
1760 */
1761int
1762nfsvno_fillattr(struct nfsrv_descript *nd, struct mount *mp, struct vnode *vp,
1763 struct nfsvattr *nvap, fhandle_t *fhp, int rderror, nfsattrbit_t *attrbitp,
1764 struct ucred *cred, struct thread *p, int isdgram, int reterr,
1765 int supports_nfsv4acls, int at_root, uint64_t mounted_on_fileno)
1766{
1767 struct statfs *sf;
1768 int error;
1769
1770 sf = NULL((void *)0);
1771 if (nfsrv_devidcnt > 0 &&
1772 (NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_SPACEAVAIL)((attrbitp)->bits[(42) / 32] & (1 << ((42) % 32)
)) ||
1773 NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_SPACEFREE)((attrbitp)->bits[(43) / 32] & (1 << ((43) % 32)
)) ||
1774 NFSISSET_ATTRBIT(attrbitp, NFSATTRBIT_SPACETOTAL)((attrbitp)->bits[(44) / 32] & (1 << ((44) % 32)
)))) {
1775 sf = malloc(sizeof(*sf), M_TEMP, M_WAITOK0x0002 | M_ZERO0x0100);
1776 error = nfsrv_pnfsstatfs(sf, mp);
1777 if (error != 0) {
1778 free(sf, M_TEMP);
1779 sf = NULL((void *)0);
1780 }
1781 }
1782 error = nfsv4_fillattr(nd, mp, vp, NULL((void *)0), &nvap->na_vattr, fhp, rderror,
1783 attrbitp, cred, p, isdgram, reterr, supports_nfsv4acls, at_root,
1784 mounted_on_fileno, sf);
1785 free(sf, M_TEMP);
1786 NFSEXITCODE2(0, nd);
1787 return (error);
1788}
1789
1790/* Since the Readdir vnode ops vary, put the entire functions in here. */
1791/*
1792 * nfs readdir service
1793 * - mallocs what it thinks is enough to read
1794 * count rounded up to a multiple of DIRBLKSIZ <= NFS_MAXREADDIR
1795 * - calls VOP_READDIR()
1796 * - loops around building the reply
1797 * if the output generated exceeds count break out of loop
1798 * The NFSM_CLGET macro is used here so that the reply will be packed
1799 * tightly in mbuf clusters.
1800 * - it trims out records with d_fileno == 0
1801 * this doesn't matter for Unix clients, but they might confuse clients
1802 * for other os'.
1803 * - it trims out records with d_type == DT_WHT
1804 * these cannot be seen through NFS (unless we extend the protocol)
1805 * The alternate call nfsrvd_readdirplus() does lookups as well.
1806 * PS: The NFS protocol spec. does not clarify what the "count" byte
1807 * argument is a count of.. just name strings and file id's or the
1808 * entire reply rpc or ...
1809 * I tried just file name and id sizes and it confused the Sun client,
1810 * so I am using the full rpc size now. The "paranoia.." comment refers
1811 * to including the status longwords that are not a part of the dir.
1812 * "entry" structures, but are in the rpc.
1813 */
1814int
1815nfsrvd_readdir(struct nfsrv_descript *nd, int isdgram,
1816 struct vnode *vp, struct thread *p, struct nfsexstuff *exp)
1817{
1818 struct dirent *dp;
1819 u_int32_t *tl;
1820 int dirlen;
1821 char *cpos, *cend, *rbuf;
1822 struct nfsvattr at;
1823 int nlen, error = 0, getret = 1;
1824 int siz, cnt, fullsiz, eofflag, ncookies;
1825 u_int64_t off, toff, verf __unused__attribute__((__unused__));
1826 u_long *cookies = NULL((void *)0), *cookiep;
1827 struct uio io;
1828 struct iovec iv;
1829 int is_ufs;
1830
1831 if (nd->nd_repstat) {
1832 nfsrv_postopattr(nd, getret, &at);
1833 goto out;
1834 }
1835 if (nd->nd_flag & ND_NFSV20x00000004) {
1836 NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (2 * 4)); if ((tl) ==
((void *)0)) { error = 72; goto nfsmout; } } while (0);
1837 off = fxdr_unsigned(u_quad_t, *tl++)((u_quad_t)(__builtin_constant_p((int32_t)(*tl++)) ? (((__uint32_t
)((__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*
tl++))) & 0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t
)((int32_t)(*tl++))) & 0xffff)) << 8 | ((__uint16_t
)(((__uint32_t)((int32_t)(*tl++))) & 0xffff)) >> 8)
: __bswap16_var(((__uint32_t)((int32_t)(*tl++))) & 0xffff
))) << 16) | ((__uint16_t)(__builtin_constant_p(((__uint32_t
)((int32_t)(*tl++))) >> 16) ? (__uint16_t)(((__uint16_t
)(((__uint32_t)((int32_t)(*tl++))) >> 16)) << 8 |
((__uint16_t)(((__uint32_t)((int32_t)(*tl++))) >> 16))
>> 8) : __bswap16_var(((__uint32_t)((int32_t)(*tl++)))
>> 16)))) : __bswap32_var((int32_t)(*tl++))));
1838 } else {
1839 NFSM_DISSECT(tl, u_int32_t *, 5 * NFSX_UNSIGNED)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (5 * 4)); if ((tl) ==
((void *)0)) { error = 72; goto nfsmout; } } while (0);
1840 off = fxdr_hyper(tl)((((u_quad_t)(__builtin_constant_p(((u_int32_t *)(tl))[0]) ? (
((__uint32_t)((__uint16_t)(__builtin_constant_p(((__uint32_t)
(((u_int32_t *)(tl))[0])) & 0xffff) ? (__uint16_t)(((__uint16_t
)(((__uint32_t)(((u_int32_t *)(tl))[0])) & 0xffff)) <<
8 | ((__uint16_t)(((__uint32_t)(((u_int32_t *)(tl))[0])) &
0xffff)) >> 8) : __bswap16_var(((__uint32_t)(((u_int32_t
*)(tl))[0])) & 0xffff))) << 16) | ((__uint16_t)(__builtin_constant_p
(((__uint32_t)(((u_int32_t *)(tl))[0])) >> 16) ? (__uint16_t
)(((__uint16_t)(((__uint32_t)(((u_int32_t *)(tl))[0])) >>
16)) << 8 | ((__uint16_t)(((__uint32_t)(((u_int32_t *)
(tl))[0])) >> 16)) >> 8) : __bswap16_var(((__uint32_t
)(((u_int32_t *)(tl))[0])) >> 16)))) : __bswap32_var(((
u_int32_t *)(tl))[0]))) << 32) | (u_quad_t)((__builtin_constant_p
(((u_int32_t *)(tl))[1]) ? (((__uint32_t)((__uint16_t)(__builtin_constant_p
(((__uint32_t)(((u_int32_t *)(tl))[1])) & 0xffff) ? (__uint16_t
)(((__uint16_t)(((__uint32_t)(((u_int32_t *)(tl))[1])) & 0xffff
)) << 8 | ((__uint16_t)(((__uint32_t)(((u_int32_t *)(tl
))[1])) & 0xffff)) >> 8) : __bswap16_var(((__uint32_t
)(((u_int32_t *)(tl))[1])) & 0xffff))) << 16) | ((__uint16_t
)(__builtin_constant_p(((__uint32_t)(((u_int32_t *)(tl))[1]))
>> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(((u_int32_t
*)(tl))[1])) >> 16)) << 8 | ((__uint16_t)(((__uint32_t
)(((u_int32_t *)(tl))[1])) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)(((u_int32_t *)(tl))[1])) >> 16)))) : __bswap32_var
(((u_int32_t *)(tl))[1]))));
1841 tl += 2;
1842 verf = fxdr_hyper(tl)((((u_quad_t)(__builtin_constant_p(((u_int32_t *)(tl))[0]) ? (
((__uint32_t)((__uint16_t)(__builtin_constant_p(((__uint32_t)
(((u_int32_t *)(tl))[0])) & 0xffff) ? (__uint16_t)(((__uint16_t
)(((__uint32_t)(((u_int32_t *)(tl))[0])) & 0xffff)) <<
8 | ((__uint16_t)(((__uint32_t)(((u_int32_t *)(tl))[0])) &
0xffff)) >> 8) : __bswap16_var(((__uint32_t)(((u_int32_t
*)(tl))[0])) & 0xffff))) << 16) | ((__uint16_t)(__builtin_constant_p
(((__uint32_t)(((u_int32_t *)(tl))[0])) >> 16) ? (__uint16_t
)(((__uint16_t)(((__uint32_t)(((u_int32_t *)(tl))[0])) >>
16)) << 8 | ((__uint16_t)(((__uint32_t)(((u_int32_t *)
(tl))[0])) >> 16)) >> 8) : __bswap16_var(((__uint32_t
)(((u_int32_t *)(tl))[0])) >> 16)))) : __bswap32_var(((
u_int32_t *)(tl))[0]))) << 32) | (u_quad_t)((__builtin_constant_p
(((u_int32_t *)(tl))[1]) ? (((__uint32_t)((__uint16_t)(__builtin_constant_p
(((__uint32_t)(((u_int32_t *)(tl))[1])) & 0xffff) ? (__uint16_t
)(((__uint16_t)(((__uint32_t)(((u_int32_t *)(tl))[1])) & 0xffff
)) << 8 | ((__uint16_t)(((__uint32_t)(((u_int32_t *)(tl
))[1])) & 0xffff)) >> 8) : __bswap16_var(((__uint32_t
)(((u_int32_t *)(tl))[1])) & 0xffff))) << 16) | ((__uint16_t
)(__builtin_constant_p(((__uint32_t)(((u_int32_t *)(tl))[1]))
>> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(((u_int32_t
*)(tl))[1])) >> 16)) << 8 | ((__uint16_t)(((__uint32_t
)(((u_int32_t *)(tl))[1])) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)(((u_int32_t *)(tl))[1])) >> 16)))) : __bswap32_var
(((u_int32_t *)(tl))[1]))));
1843 tl += 2;
1844 }
1845 toff = off;
1846 cnt = fxdr_unsigned(int, *tl)((int)(__builtin_constant_p((int32_t)(*tl)) ? (((__uint32_t)(
(__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*tl
))) & 0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(
(int32_t)(*tl))) & 0xffff)) << 8 | ((__uint16_t)(((
__uint32_t)((int32_t)(*tl))) & 0xffff)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) & 0xffff))) << 16) |
((__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*
tl))) >> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)
((int32_t)(*tl))) >> 16)) << 8 | ((__uint16_t)(((
__uint32_t)((int32_t)(*tl))) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) >> 16)))) : __bswap32_var
((int32_t)(*tl))));
1847 if (cnt > NFS_SRVMAXDATA(nd)(((nd)->nd_flag & (0x00000008 | 0x00000010)) ? (128 * 1024
) : 8192) || cnt < 0)
1848 cnt = NFS_SRVMAXDATA(nd)(((nd)->nd_flag & (0x00000008 | 0x00000010)) ? (128 * 1024
) : 8192);
1849 siz = ((cnt + DIRBLKSIZ(1<<9) - 1) & ~(DIRBLKSIZ(1<<9) - 1));
1850 fullsiz = siz;
1851 if (nd->nd_flag & ND_NFSV30x00000008) {
1852 nd->nd_repstat = getret = nfsvno_getattr(vp, &at, nd, p, 1,
1853 NULL((void *)0));
1854#if 0
1855 /*
1856 * va_filerev is not sufficient as a cookie verifier,
1857 * since it is not supposed to change when entries are
1858 * removed/added unless that offset cookies returned to
1859 * the client are no longer valid.
1860 */
1861 if (!nd->nd_repstat && toff && verf != at.na_filerevna_vattr.va_filerev)
1862 nd->nd_repstat = NFSERR_BAD_COOKIE10003;
1863#endif
1864 }
1865 if (!nd->nd_repstat && vp->v_type != VDIR)
1866 nd->nd_repstat = NFSERR_NOTDIR20;
1867 if (nd->nd_repstat == 0 && cnt == 0) {
1868 if (nd->nd_flag & ND_NFSV20x00000004)
1869 /* NFSv2 does not have NFSERR_TOOSMALL */
1870 nd->nd_repstat = EPERM1;
1871 else
1872 nd->nd_repstat = NFSERR_TOOSMALL10005;
1873 }
1874 if (!nd->nd_repstat)
1875 nd->nd_repstat = nfsvno_accchk(vp, VEXEC000000000100,
1876 nd->nd_cred, exp, p, NFSACCCHK_NOOVERRIDE0,
1877 NFSACCCHK_VPISLOCKED1, NULL((void *)0));
1878 if (nd->nd_repstat) {
1879 vput(vp);
1880 if (nd->nd_flag & ND_NFSV30x00000008)
1881 nfsrv_postopattr(nd, getret, &at);
1882 goto out;
1883 }
1884 is_ufs = strcmp(vp->v_mount->mnt_vfc->vfc_name, "ufs") == 0;
1885 rbuf = malloc(siz, M_TEMP, M_WAITOK0x0002);
1886again:
1887 eofflag = 0;
1888 if (cookies) {
1889 free(cookies, M_TEMP);
1890 cookies = NULL((void *)0);
1891 }
1892
1893 iv.iov_base = rbuf;
1894 iv.iov_len = siz;
1895 io.uio_iov = &iv;
1896 io.uio_iovcnt = 1;
1897 io.uio_offset = (off_t)off;
1898 io.uio_resid = siz;
1899 io.uio_segflg = UIO_SYSSPACE;
1900 io.uio_rw = UIO_READ;
1901 io.uio_td = NULL((void *)0);
1902 nd->nd_repstat = VOP_READDIR(vp, &io, nd->nd_cred, &eofflag, &ncookies,
1903 &cookies);
1904 off = (u_int64_t)io.uio_offset;
1905 if (io.uio_resid)
1906 siz -= io.uio_resid;
1907
1908 if (!cookies && !nd->nd_repstat)
1909 nd->nd_repstat = NFSERR_PERM1;
1910 if (nd->nd_flag & ND_NFSV30x00000008) {
1911 getret = nfsvno_getattr(vp, &at, nd, p, 1, NULL((void *)0));
1912 if (!nd->nd_repstat)
1913 nd->nd_repstat = getret;
1914 }
1915
1916 /*
1917 * Handles the failed cases. nd->nd_repstat == 0 past here.
1918 */
1919 if (nd->nd_repstat) {
1920 vput(vp);
1921 free(rbuf, M_TEMP);
1922 if (cookies)
1923 free(cookies, M_TEMP);
1924 if (nd->nd_flag & ND_NFSV30x00000008)
1925 nfsrv_postopattr(nd, getret, &at);
1926 goto out;
1927 }
1928 /*
1929 * If nothing read, return eof
1930 * rpc reply
1931 */
1932 if (siz == 0) {
1933 vput(vp);
1934 if (nd->nd_flag & ND_NFSV20x00000004) {
1935 NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (2 * 4)));
1936 } else {
1937 nfsrv_postopattr(nd, getret, &at);
1938 NFSM_BUILD(tl, u_int32_t *, 4 * NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (4 * 4)));
1939 txdr_hyper(at.na_filerev, tl)do { ((u_int32_t *)(tl))[0] = (__builtin_constant_p((u_int32_t
)((at.na_vattr.va_filerev) >> 32)) ? (((__uint32_t)((__uint16_t
)(__builtin_constant_p(((__uint32_t)((u_int32_t)((at.na_vattr
.va_filerev) >> 32))) & 0xffff) ? (__uint16_t)(((__uint16_t
)(((__uint32_t)((u_int32_t)((at.na_vattr.va_filerev) >>
32))) & 0xffff)) << 8 | ((__uint16_t)(((__uint32_t
)((u_int32_t)((at.na_vattr.va_filerev) >> 32))) & 0xffff
)) >> 8) : __bswap16_var(((__uint32_t)((u_int32_t)((at.
na_vattr.va_filerev) >> 32))) & 0xffff))) << 16
) | ((__uint16_t)(__builtin_constant_p(((__uint32_t)((u_int32_t
)((at.na_vattr.va_filerev) >> 32))) >> 16) ? (__uint16_t
)(((__uint16_t)(((__uint32_t)((u_int32_t)((at.na_vattr.va_filerev
) >> 32))) >> 16)) << 8 | ((__uint16_t)(((__uint32_t
)((u_int32_t)((at.na_vattr.va_filerev) >> 32))) >>
16)) >> 8) : __bswap16_var(((__uint32_t)((u_int32_t)((
at.na_vattr.va_filerev) >> 32))) >> 16)))) : __bswap32_var
((u_int32_t)((at.na_vattr.va_filerev) >> 32))); ((u_int32_t
*)(tl))[1] = (__builtin_constant_p((u_int32_t)((at.na_vattr.
va_filerev) & 0xffffffff)) ? (((__uint32_t)((__uint16_t)(
__builtin_constant_p(((__uint32_t)((u_int32_t)((at.na_vattr.va_filerev
) & 0xffffffff))) & 0xffff) ? (__uint16_t)(((__uint16_t
)(((__uint32_t)((u_int32_t)((at.na_vattr.va_filerev) & 0xffffffff
))) & 0xffff)) << 8 | ((__uint16_t)(((__uint32_t)((
u_int32_t)((at.na_vattr.va_filerev) & 0xffffffff))) &
0xffff)) >> 8) : __bswap16_var(((__uint32_t)((u_int32_t
)((at.na_vattr.va_filerev) & 0xffffffff))) & 0xffff))
) << 16) | ((__uint16_t)(__builtin_constant_p(((__uint32_t
)((u_int32_t)((at.na_vattr.va_filerev) & 0xffffffff))) >>
16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)((u_int32_t)((
at.na_vattr.va_filerev) & 0xffffffff))) >> 16)) <<
8 | ((__uint16_t)(((__uint32_t)((u_int32_t)((at.na_vattr.va_filerev
) & 0xffffffff))) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)((u_int32_t)((at.na_vattr.va_filerev) & 0xffffffff
))) >> 16)))) : __bswap32_var((u_int32_t)((at.na_vattr.
va_filerev) & 0xffffffff))); } while (0);
1940 tl += 2;
1941 }
1942 *tl++ = newnfs_false;
1943 *tl = newnfs_true;
1944 free(rbuf, M_TEMP);
1945 free(cookies, M_TEMP);
1946 goto out;
1947 }
1948
1949 /*
1950 * Check for degenerate cases of nothing useful read.
1951 * If so go try again
1952 */
1953 cpos = rbuf;
1954 cend = rbuf + siz;
1955 dp = (struct dirent *)cpos;
1956 cookiep = cookies;
1957
1958 /*
1959 * For some reason FreeBSD's ufs_readdir() chooses to back the
1960 * directory offset up to a block boundary, so it is necessary to
1961 * skip over the records that precede the requested offset. This
1962 * requires the assumption that file offset cookies monotonically
1963 * increase.
1964 */
1965 while (cpos < cend && ncookies > 0 &&
1966 (dp->d_fileno == 0 || dp->d_type == DT_WHT14 ||
1967 (is_ufs == 1 && ((u_quad_t)(*cookiep)) <= toff))) {
1968 cpos += dp->d_reclen;
1969 dp = (struct dirent *)cpos;
1970 cookiep++;
1971 ncookies--;
1972 }
1973 if (cpos >= cend || ncookies == 0) {
1974 siz = fullsiz;
1975 toff = off;
1976 goto again;
1977 }
1978 vput(vp);
1979
1980 /*
1981 * dirlen is the size of the reply, including all XDR and must
1982 * not exceed cnt. For NFSv2, RFC1094 didn't clearly indicate
1983 * if the XDR should be included in "count", but to be safe, we do.
1984 * (Include the two booleans at the end of the reply in dirlen now.)
1985 */
1986 if (nd->nd_flag & ND_NFSV30x00000008) {
1987 nfsrv_postopattr(nd, getret, &at);
1988 NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (2 * 4)));
1989 txdr_hyper(at.na_filerev, tl)do { ((u_int32_t *)(tl))[0] = (__builtin_constant_p((u_int32_t
)((at.na_vattr.va_filerev) >> 32)) ? (((__uint32_t)((__uint16_t
)(__builtin_constant_p(((__uint32_t)((u_int32_t)((at.na_vattr
.va_filerev) >> 32))) & 0xffff) ? (__uint16_t)(((__uint16_t
)(((__uint32_t)((u_int32_t)((at.na_vattr.va_filerev) >>
32))) & 0xffff)) << 8 | ((__uint16_t)(((__uint32_t
)((u_int32_t)((at.na_vattr.va_filerev) >> 32))) & 0xffff
)) >> 8) : __bswap16_var(((__uint32_t)((u_int32_t)((at.
na_vattr.va_filerev) >> 32))) & 0xffff))) << 16
) | ((__uint16_t)(__builtin_constant_p(((__uint32_t)((u_int32_t
)((at.na_vattr.va_filerev) >> 32))) >> 16) ? (__uint16_t
)(((__uint16_t)(((__uint32_t)((u_int32_t)((at.na_vattr.va_filerev
) >> 32))) >> 16)) << 8 | ((__uint16_t)(((__uint32_t
)((u_int32_t)((at.na_vattr.va_filerev) >> 32))) >>
16)) >> 8) : __bswap16_var(((__uint32_t)((u_int32_t)((
at.na_vattr.va_filerev) >> 32))) >> 16)))) : __bswap32_var
((u_int32_t)((at.na_vattr.va_filerev) >> 32))); ((u_int32_t
*)(tl))[1] = (__builtin_constant_p((u_int32_t)((at.na_vattr.
va_filerev) & 0xffffffff)) ? (((__uint32_t)((__uint16_t)(
__builtin_constant_p(((__uint32_t)((u_int32_t)((at.na_vattr.va_filerev
) & 0xffffffff))) & 0xffff) ? (__uint16_t)(((__uint16_t
)(((__uint32_t)((u_int32_t)((at.na_vattr.va_filerev) & 0xffffffff
))) & 0xffff)) << 8 | ((__uint16_t)(((__uint32_t)((
u_int32_t)((at.na_vattr.va_filerev) & 0xffffffff))) &
0xffff)) >> 8) : __bswap16_var(((__uint32_t)((u_int32_t
)((at.na_vattr.va_filerev) & 0xffffffff))) & 0xffff))
) << 16) | ((__uint16_t)(__builtin_constant_p(((__uint32_t
)((u_int32_t)((at.na_vattr.va_filerev) & 0xffffffff))) >>
16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)((u_int32_t)((
at.na_vattr.va_filerev) & 0xffffffff))) >> 16)) <<
8 | ((__uint16_t)(((__uint32_t)((u_int32_t)((at.na_vattr.va_filerev
) & 0xffffffff))) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)((u_int32_t)((at.na_vattr.va_filerev) & 0xffffffff
))) >> 16)))) : __bswap32_var((u_int32_t)((at.na_vattr.
va_filerev) & 0xffffffff))); } while (0);
1990 dirlen = NFSX_V3POSTOPATTR(84 + 4) + NFSX_VERF8 + 2 * NFSX_UNSIGNED4;
1991 } else {
1992 dirlen = 2 * NFSX_UNSIGNED4;
1993 }
1994
1995 /* Loop through the records and build reply */
1996 while (cpos < cend && ncookies > 0) {
1997 nlen = dp->d_namlen;
1998 if (dp->d_fileno != 0 && dp->d_type != DT_WHT14 &&
1999 nlen <= NFS_MAXNAMLEN255) {
2000 if (nd->nd_flag & ND_NFSV30x00000008)
2001 dirlen += (6*NFSX_UNSIGNED4 + NFSM_RNDUP(nlen)(((nlen)+3)&(~0x3)));
2002 else
2003 dirlen += (4*NFSX_UNSIGNED4 + NFSM_RNDUP(nlen)(((nlen)+3)&(~0x3)));
2004 if (dirlen > cnt) {
2005 eofflag = 0;
2006 break;
2007 }
2008
2009 /*
2010 * Build the directory record xdr from
2011 * the dirent entry.
2012 */
2013 if (nd->nd_flag & ND_NFSV30x00000008) {
2014 NFSM_BUILD(tl, u_int32_t *, 3 * NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (3 * 4)));
2015 *tl++ = newnfs_true;
2016 *tl++ = 0;
2017 } else {
2018 NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (2 * 4)));
2019 *tl++ = newnfs_true;
2020 }
2021 *tl = txdr_unsigned(dp->d_fileno)((__builtin_constant_p((int32_t)(dp->d_fileno)) ? (((__uint32_t
)((__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(dp
->d_fileno))) & 0xffff) ? (__uint16_t)(((__uint16_t)((
(__uint32_t)((int32_t)(dp->d_fileno))) & 0xffff)) <<
8 | ((__uint16_t)(((__uint32_t)((int32_t)(dp->d_fileno)))
& 0xffff)) >> 8) : __bswap16_var(((__uint32_t)((int32_t
)(dp->d_fileno))) & 0xffff))) << 16) | ((__uint16_t
)(__builtin_constant_p(((__uint32_t)((int32_t)(dp->d_fileno
))) >> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)((
int32_t)(dp->d_fileno))) >> 16)) << 8 | ((__uint16_t
)(((__uint32_t)((int32_t)(dp->d_fileno))) >> 16)) >>
8) : __bswap16_var(((__uint32_t)((int32_t)(dp->d_fileno))
) >> 16)))) : __bswap32_var((int32_t)(dp->d_fileno))
));
2022 (void) nfsm_strtom(nd, dp->d_name, nlen);
2023 if (nd->nd_flag & ND_NFSV30x00000008) {
2024 NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (2 * 4)));
2025 *tl++ = 0;
2026 } else
2027 NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (4)));
2028 *tl = txdr_unsigned(*cookiep)((__builtin_constant_p((int32_t)(*cookiep)) ? (((__uint32_t)(
(__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*cookiep
))) & 0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(
(int32_t)(*cookiep))) & 0xffff)) << 8 | ((__uint16_t
)(((__uint32_t)((int32_t)(*cookiep))) & 0xffff)) >>
8) : __bswap16_var(((__uint32_t)((int32_t)(*cookiep))) &
0xffff))) << 16) | ((__uint16_t)(__builtin_constant_p(
((__uint32_t)((int32_t)(*cookiep))) >> 16) ? (__uint16_t
)(((__uint16_t)(((__uint32_t)((int32_t)(*cookiep))) >> 16
)) << 8 | ((__uint16_t)(((__uint32_t)((int32_t)(*cookiep
))) >> 16)) >> 8) : __bswap16_var(((__uint32_t)((
int32_t)(*cookiep))) >> 16)))) : __bswap32_var((int32_t
)(*cookiep))));
2029 }
2030 cpos += dp->d_reclen;
2031 dp = (struct dirent *)cpos;
2032 cookiep++;
2033 ncookies--;
2034 }
2035 if (cpos < cend)
2036 eofflag = 0;
2037 NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (2 * 4)));
2038 *tl++ = newnfs_false;
2039 if (eofflag)
2040 *tl = newnfs_true;
2041 else
2042 *tl = newnfs_false;
2043 free(rbuf, M_TEMP);
2044 free(cookies, M_TEMP);
2045
2046out:
2047 NFSEXITCODE2(0, nd);
2048 return (0);
2049nfsmout:
2050 vput(vp);
2051 NFSEXITCODE2(error, nd);
2052 return (error);
2053}
2054
2055/*
2056 * Readdirplus for V3 and Readdir for V4.
2057 */
2058int
2059nfsrvd_readdirplus(struct nfsrv_descript *nd, int isdgram,
2060 struct vnode *vp, struct thread *p, struct nfsexstuff *exp)
2061{
2062 struct dirent *dp;
2063 u_int32_t *tl;
2064 int dirlen;
2065 char *cpos, *cend, *rbuf;
2066 struct vnode *nvp;
2067 fhandle_t nfh;
2068 struct nfsvattr nva, at, *nvap = &nva;
2069 struct mbuf *mb0, *mb1;
2070 struct nfsreferral *refp;
2071 int nlen, r, error = 0, getret = 1, usevget = 1;
2072 int siz, cnt, fullsiz, eofflag, ncookies, entrycnt;
2073 caddr_t bpos0, bpos1;
2074 u_int64_t off, toff, verf;
2075 u_long *cookies = NULL((void *)0), *cookiep;
2076 nfsattrbit_t attrbits, rderrbits, savbits;
2077 struct uio io;
2078 struct iovec iv;
2079 struct componentname cn;
2080 int at_root, is_ufs, is_zfs, needs_unbusy, supports_nfsv4acls;
2081 struct mount *mp, *new_mp;
2082 uint64_t mounted_on_fileno;
2083
2084 if (nd->nd_repstat) {
2085 nfsrv_postopattr(nd, getret, &at);
2086 goto out;
2087 }
2088 NFSM_DISSECT(tl, u_int32_t *, 6 * NFSX_UNSIGNED)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (6 * 4)); if ((tl) ==
((void *)0)) { error = 72; goto nfsmout; } } while (0);
2089 off = fxdr_hyper(tl)((((u_quad_t)(__builtin_constant_p(((u_int32_t *)(tl))[0]) ? (
((__uint32_t)((__uint16_t)(__builtin_constant_p(((__uint32_t)
(((u_int32_t *)(tl))[0])) & 0xffff) ? (__uint16_t)(((__uint16_t
)(((__uint32_t)(((u_int32_t *)(tl))[0])) & 0xffff)) <<
8 | ((__uint16_t)(((__uint32_t)(((u_int32_t *)(tl))[0])) &
0xffff)) >> 8) : __bswap16_var(((__uint32_t)(((u_int32_t
*)(tl))[0])) & 0xffff))) << 16) | ((__uint16_t)(__builtin_constant_p
(((__uint32_t)(((u_int32_t *)(tl))[0])) >> 16) ? (__uint16_t
)(((__uint16_t)(((__uint32_t)(((u_int32_t *)(tl))[0])) >>
16)) << 8 | ((__uint16_t)(((__uint32_t)(((u_int32_t *)
(tl))[0])) >> 16)) >> 8) : __bswap16_var(((__uint32_t
)(((u_int32_t *)(tl))[0])) >> 16)))) : __bswap32_var(((
u_int32_t *)(tl))[0]))) << 32) | (u_quad_t)((__builtin_constant_p
(((u_int32_t *)(tl))[1]) ? (((__uint32_t)((__uint16_t)(__builtin_constant_p
(((__uint32_t)(((u_int32_t *)(tl))[1])) & 0xffff) ? (__uint16_t
)(((__uint16_t)(((__uint32_t)(((u_int32_t *)(tl))[1])) & 0xffff
)) << 8 | ((__uint16_t)(((__uint32_t)(((u_int32_t *)(tl
))[1])) & 0xffff)) >> 8) : __bswap16_var(((__uint32_t
)(((u_int32_t *)(tl))[1])) & 0xffff))) << 16) | ((__uint16_t
)(__builtin_constant_p(((__uint32_t)(((u_int32_t *)(tl))[1]))
>> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(((u_int32_t
*)(tl))[1])) >> 16)) << 8 | ((__uint16_t)(((__uint32_t
)(((u_int32_t *)(tl))[1])) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)(((u_int32_t *)(tl))[1])) >> 16)))) : __bswap32_var
(((u_int32_t *)(tl))[1]))));
2090 toff = off;
2091 tl += 2;
2092 verf = fxdr_hyper(tl)((((u_quad_t)(__builtin_constant_p(((u_int32_t *)(tl))[0]) ? (
((__uint32_t)((__uint16_t)(__builtin_constant_p(((__uint32_t)
(((u_int32_t *)(tl))[0])) & 0xffff) ? (__uint16_t)(((__uint16_t
)(((__uint32_t)(((u_int32_t *)(tl))[0])) & 0xffff)) <<
8 | ((__uint16_t)(((__uint32_t)(((u_int32_t *)(tl))[0])) &
0xffff)) >> 8) : __bswap16_var(((__uint32_t)(((u_int32_t
*)(tl))[0])) & 0xffff))) << 16) | ((__uint16_t)(__builtin_constant_p
(((__uint32_t)(((u_int32_t *)(tl))[0])) >> 16) ? (__uint16_t
)(((__uint16_t)(((__uint32_t)(((u_int32_t *)(tl))[0])) >>
16)) << 8 | ((__uint16_t)(((__uint32_t)(((u_int32_t *)
(tl))[0])) >> 16)) >> 8) : __bswap16_var(((__uint32_t
)(((u_int32_t *)(tl))[0])) >> 16)))) : __bswap32_var(((
u_int32_t *)(tl))[0]))) << 32) | (u_quad_t)((__builtin_constant_p
(((u_int32_t *)(tl))[1]) ? (((__uint32_t)((__uint16_t)(__builtin_constant_p
(((__uint32_t)(((u_int32_t *)(tl))[1])) & 0xffff) ? (__uint16_t
)(((__uint16_t)(((__uint32_t)(((u_int32_t *)(tl))[1])) & 0xffff
)) << 8 | ((__uint16_t)(((__uint32_t)(((u_int32_t *)(tl
))[1])) & 0xffff)) >> 8) : __bswap16_var(((__uint32_t
)(((u_int32_t *)(tl))[1])) & 0xffff))) << 16) | ((__uint16_t
)(__builtin_constant_p(((__uint32_t)(((u_int32_t *)(tl))[1]))
>> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(((u_int32_t
*)(tl))[1])) >> 16)) << 8 | ((__uint16_t)(((__uint32_t
)(((u_int32_t *)(tl))[1])) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)(((u_int32_t *)(tl))[1])) >> 16)))) : __bswap32_var
(((u_int32_t *)(tl))[1]))));
2093 tl += 2;
2094 siz = fxdr_unsigned(int, *tl++)((int)(__builtin_constant_p((int32_t)(*tl++)) ? (((__uint32_t
)((__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*
tl++))) & 0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t
)((int32_t)(*tl++))) & 0xffff)) << 8 | ((__uint16_t
)(((__uint32_t)((int32_t)(*tl++))) & 0xffff)) >> 8)
: __bswap16_var(((__uint32_t)((int32_t)(*tl++))) & 0xffff
))) << 16) | ((__uint16_t)(__builtin_constant_p(((__uint32_t
)((int32_t)(*tl++))) >> 16) ? (__uint16_t)(((__uint16_t
)(((__uint32_t)((int32_t)(*tl++))) >> 16)) << 8 |
((__uint16_t)(((__uint32_t)((int32_t)(*tl++))) >> 16))
>> 8) : __bswap16_var(((__uint32_t)((int32_t)(*tl++)))
>> 16)))) : __bswap32_var((int32_t)(*tl++))));
2095 cnt = fxdr_unsigned(int, *tl)((int)(__builtin_constant_p((int32_t)(*tl)) ? (((__uint32_t)(
(__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*tl
))) & 0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(
(int32_t)(*tl))) & 0xffff)) << 8 | ((__uint16_t)(((
__uint32_t)((int32_t)(*tl))) & 0xffff)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) & 0xffff))) << 16) |
((__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*
tl))) >> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)
((int32_t)(*tl))) >> 16)) << 8 | ((__uint16_t)(((
__uint32_t)((int32_t)(*tl))) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) >> 16)))) : __bswap32_var
((int32_t)(*tl))));
2096
2097 /*
2098 * Use the server's maximum data transfer size as the upper bound
2099 * on reply datalen.
2100 */
2101 if (cnt > NFS_SRVMAXDATA(nd)(((nd)->nd_flag & (0x00000008 | 0x00000010)) ? (128 * 1024
) : 8192) || cnt < 0)
2102 cnt = NFS_SRVMAXDATA(nd)(((nd)->nd_flag & (0x00000008 | 0x00000010)) ? (128 * 1024
) : 8192);
2103
2104 /*
2105 * siz is a "hint" of how much directory information (name, fileid,
2106 * cookie) should be in the reply. At least one client "hints" 0,
2107 * so I set it to cnt for that case. I also round it up to the
2108 * next multiple of DIRBLKSIZ.
2109 * Since the size of a Readdirplus directory entry reply will always
2110 * be greater than a directory entry returned by VOP_READDIR(), it
2111 * does not make sense to read more than NFS_SRVMAXDATA() via
2112 * VOP_READDIR().
2113 */
2114 if (siz <= 0)
2115 siz = cnt;
2116 else if (siz > NFS_SRVMAXDATA(nd)(((nd)->nd_flag & (0x00000008 | 0x00000010)) ? (128 * 1024
) : 8192))
2117 siz = NFS_SRVMAXDATA(nd)(((nd)->nd_flag & (0x00000008 | 0x00000010)) ? (128 * 1024
) : 8192);
2118 siz = ((siz + DIRBLKSIZ(1<<9) - 1) & ~(DIRBLKSIZ(1<<9) - 1));
2119
2120 if (nd->nd_flag & ND_NFSV40x00000010) {
2121 error = nfsrv_getattrbits(nd, &attrbits, NULL((void *)0), NULL((void *)0));
2122 if (error)
2123 goto nfsmout;
2124 NFSSET_ATTRBIT(&savbits, &attrbits)do { (&savbits)->bits[0] = (&attrbits)->bits[0]
; (&savbits)->bits[1] = (&attrbits)->bits[1]; (
&savbits)->bits[2] = (&attrbits)->bits[2]; } while
(0);
2125 NFSCLRNOTFILLABLE_ATTRBIT(&attrbits)do { (&attrbits)->bits[0] &= (0x00000001 | 0x00000002
| 0x00000004 | 0x00000008 | 0x00000010 | 0x00000020 | 0x00000040
| 0x00000080 | 0x00000100 | 0x00000200 | 0x00000400 | 0x00000800
| 0x00001000 | 0x00002000 | 0x00008000 | 0x00010000 | 0x00020000
| 0x00040000 | 0x00080000 | 0x00100000 | 0x00200000 | 0x00400000
| 0x00800000 | 0x01000000 | 0x04000000 | 0x08000000 | 0x10000000
| 0x20000000 | 0x40000000 | 0x80000000); (&attrbits)->
bits[1] &= (0x00000002 | 0x00000004 | 0x00000008 | 0x00000010
| 0x00000020 | 0x00000200 | 0x00000400 | 0x00000800 | 0x00001000
| 0x00002000 | 0x00008000 | 0x00080000 | 0x00100000 | 0x00200000
| 0x00800000 | 0x00000040 | 0x00000080 | 0x00000100 | 0x40000000
); (&attrbits)->bits[2] &= (0x00000001 | 0x00000002
| 0x00000004 | 0x00000800); } while (0);
2126 NFSZERO_ATTRBIT(&rderrbits)do { (&rderrbits)->bits[0] = 0; (&rderrbits)->bits
[1] = 0; (&rderrbits)->bits[2] = 0; } while (0);
2127 NFSSETBIT_ATTRBIT(&rderrbits, NFSATTRBIT_RDATTRERROR)((&rderrbits)->bits[(11) / 32] |= (1 << ((11) % 32
)));
2128 } else {
2129 NFSZERO_ATTRBIT(&attrbits)do { (&attrbits)->bits[0] = 0; (&attrbits)->bits
[1] = 0; (&attrbits)->bits[2] = 0; } while (0);
2130 }
2131 fullsiz = siz;
2132 nd->nd_repstat = getret = nfsvno_getattr(vp, &at, nd, p, 1, NULL((void *)0));
2133#if 0
2134 if (!nd->nd_repstat) {
2135 if (off && verf != at.na_filerevna_vattr.va_filerev) {
2136 /*
2137 * va_filerev is not sufficient as a cookie verifier,
2138 * since it is not supposed to change when entries are
2139 * removed/added unless that offset cookies returned to
2140 * the client are no longer valid.
2141 */
2142 if (nd->nd_flag & ND_NFSV40x00000010) {
2143 nd->nd_repstat = NFSERR_NOTSAME10027;
2144 } else {
2145 nd->nd_repstat = NFSERR_BAD_COOKIE10003;
2146 }
2147 }
2148 }
2149#endif
2150 if (!nd->nd_repstat && vp->v_type != VDIR)
2151 nd->nd_repstat = NFSERR_NOTDIR20;
2152 if (!nd->nd_repstat && cnt == 0)
2153 nd->nd_repstat = NFSERR_TOOSMALL10005;
2154 if (!nd->nd_repstat)
2155 nd->nd_repstat = nfsvno_accchk(vp, VEXEC000000000100,
2156 nd->nd_cred, exp, p, NFSACCCHK_NOOVERRIDE0,
2157 NFSACCCHK_VPISLOCKED1, NULL((void *)0));
2158 if (nd->nd_repstat) {
2159 vput(vp);
2160 if (nd->nd_flag & ND_NFSV30x00000008)
2161 nfsrv_postopattr(nd, getret, &at);
2162 goto out;
2163 }
2164 is_ufs = strcmp(vp->v_mount->mnt_vfc->vfc_name, "ufs") == 0;
2165 is_zfs = strcmp(vp->v_mount->mnt_vfc->vfc_name, "zfs") == 0;
2166
2167 rbuf = malloc(siz, M_TEMP, M_WAITOK0x0002);
2168again:
2169 eofflag = 0;
2170 if (cookies) {
2171 free(cookies, M_TEMP);
2172 cookies = NULL((void *)0);
2173 }
2174
2175 iv.iov_base = rbuf;
2176 iv.iov_len = siz;
2177 io.uio_iov = &iv;
2178 io.uio_iovcnt = 1;
2179 io.uio_offset = (off_t)off;
2180 io.uio_resid = siz;
2181 io.uio_segflg = UIO_SYSSPACE;
2182 io.uio_rw = UIO_READ;
2183 io.uio_td = NULL((void *)0);
2184 nd->nd_repstat = VOP_READDIR(vp, &io, nd->nd_cred, &eofflag, &ncookies,
2185 &cookies);
2186 off = (u_int64_t)io.uio_offset;
2187 if (io.uio_resid)
2188 siz -= io.uio_resid;
2189
2190 getret = nfsvno_getattr(vp, &at, nd, p, 1, NULL((void *)0));
2191
2192 if (!cookies && !nd->nd_repstat)
2193 nd->nd_repstat = NFSERR_PERM1;
2194 if (!nd->nd_repstat)
2195 nd->nd_repstat = getret;
2196 if (nd->nd_repstat) {
2197 vput(vp);
2198 if (cookies)
2199 free(cookies, M_TEMP);
2200 free(rbuf, M_TEMP);
2201 if (nd->nd_flag & ND_NFSV30x00000008)
2202 nfsrv_postopattr(nd, getret, &at);
2203 goto out;
2204 }
2205 /*
2206 * If nothing read, return eof
2207 * rpc reply
2208 */
2209 if (siz == 0) {
2210 vput(vp);
2211 if (nd->nd_flag & ND_NFSV30x00000008)
2212 nfsrv_postopattr(nd, getret, &at);
2213 NFSM_BUILD(tl, u_int32_t *, 4 * NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (4 * 4)));
2214 txdr_hyper(at.na_filerev, tl)do { ((u_int32_t *)(tl))[0] = (__builtin_constant_p((u_int32_t
)((at.na_vattr.va_filerev) >> 32)) ? (((__uint32_t)((__uint16_t
)(__builtin_constant_p(((__uint32_t)((u_int32_t)((at.na_vattr
.va_filerev) >> 32))) & 0xffff) ? (__uint16_t)(((__uint16_t
)(((__uint32_t)((u_int32_t)((at.na_vattr.va_filerev) >>
32))) & 0xffff)) << 8 | ((__uint16_t)(((__uint32_t
)((u_int32_t)((at.na_vattr.va_filerev) >> 32))) & 0xffff
)) >> 8) : __bswap16_var(((__uint32_t)((u_int32_t)((at.
na_vattr.va_filerev) >> 32))) & 0xffff))) << 16
) | ((__uint16_t)(__builtin_constant_p(((__uint32_t)((u_int32_t
)((at.na_vattr.va_filerev) >> 32))) >> 16) ? (__uint16_t
)(((__uint16_t)(((__uint32_t)((u_int32_t)((at.na_vattr.va_filerev
) >> 32))) >> 16)) << 8 | ((__uint16_t)(((__uint32_t
)((u_int32_t)((at.na_vattr.va_filerev) >> 32))) >>
16)) >> 8) : __bswap16_var(((__uint32_t)((u_int32_t)((
at.na_vattr.va_filerev) >> 32))) >> 16)))) : __bswap32_var
((u_int32_t)((at.na_vattr.va_filerev) >> 32))); ((u_int32_t
*)(tl))[1] = (__builtin_constant_p((u_int32_t)((at.na_vattr.
va_filerev) & 0xffffffff)) ? (((__uint32_t)((__uint16_t)(
__builtin_constant_p(((__uint32_t)((u_int32_t)((at.na_vattr.va_filerev
) & 0xffffffff))) & 0xffff) ? (__uint16_t)(((__uint16_t
)(((__uint32_t)((u_int32_t)((at.na_vattr.va_filerev) & 0xffffffff
))) & 0xffff)) << 8 | ((__uint16_t)(((__uint32_t)((
u_int32_t)((at.na_vattr.va_filerev) & 0xffffffff))) &
0xffff)) >> 8) : __bswap16_var(((__uint32_t)((u_int32_t
)((at.na_vattr.va_filerev) & 0xffffffff))) & 0xffff))
) << 16) | ((__uint16_t)(__builtin_constant_p(((__uint32_t
)((u_int32_t)((at.na_vattr.va_filerev) & 0xffffffff))) >>
16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)((u_int32_t)((
at.na_vattr.va_filerev) & 0xffffffff))) >> 16)) <<
8 | ((__uint16_t)(((__uint32_t)((u_int32_t)((at.na_vattr.va_filerev
) & 0xffffffff))) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)((u_int32_t)((at.na_vattr.va_filerev) & 0xffffffff
))) >> 16)))) : __bswap32_var((u_int32_t)((at.na_vattr.
va_filerev) & 0xffffffff))); } while (0);
2215 tl += 2;
2216 *tl++ = newnfs_false;
2217 *tl = newnfs_true;
2218 free(cookies, M_TEMP);
2219 free(rbuf, M_TEMP);
2220 goto out;
2221 }
2222
2223 /*
2224 * Check for degenerate cases of nothing useful read.
2225 * If so go try again
2226 */
2227 cpos = rbuf;
2228 cend = rbuf + siz;
2229 dp = (struct dirent *)cpos;
2230 cookiep = cookies;
2231
2232 /*
2233 * For some reason FreeBSD's ufs_readdir() chooses to back the
2234 * directory offset up to a block boundary, so it is necessary to
2235 * skip over the records that precede the requested offset. This
2236 * requires the assumption that file offset cookies monotonically
2237 * increase.
2238 */
2239 while (cpos < cend && ncookies > 0 &&
2240 (dp->d_fileno == 0 || dp->d_type == DT_WHT14 ||
2241 (is_ufs == 1 && ((u_quad_t)(*cookiep)) <= toff) ||
2242 ((nd->nd_flag & ND_NFSV40x00000010) &&
2243 ((dp->d_namlen == 1 && dp->d_name[0] == '.') ||
2244 (dp->d_namlen==2 && dp->d_name[0]=='.' && dp->d_name[1]=='.'))))) {
2245 cpos += dp->d_reclen;
2246 dp = (struct dirent *)cpos;
2247 cookiep++;
2248 ncookies--;
2249 }
2250 if (cpos >= cend || ncookies == 0) {
2251 siz = fullsiz;
2252 toff = off;
2253 goto again;
2254 }
2255
2256 /*
2257 * Busy the file system so that the mount point won't go away
2258 * and, as such, VFS_VGET() can be used safely.
2259 */
2260 mp = vp->v_mount;
2261 vfs_ref(mp);
2262 NFSVOPUNLOCK(vp, 0)VOP_UNLOCK((vp), (0));
2263 nd->nd_repstat = vfs_busy(mp, 0);
2264 vfs_rel(mp);
2265 if (nd->nd_repstat != 0) {
2266 vrele(vp);
2267 free(cookies, M_TEMP);
2268 free(rbuf, M_TEMP);
2269 if (nd->nd_flag & ND_NFSV30x00000008)
2270 nfsrv_postopattr(nd, getret, &at);
2271 goto out;
2272 }
2273
2274 /*
2275 * Check to see if entries in this directory can be safely acquired
2276 * via VFS_VGET() or if a switch to VOP_LOOKUP() is required.
2277 * ZFS snapshot directories need VOP_LOOKUP(), so that any
2278 * automount of the snapshot directory that is required will
2279 * be done.
2280 * This needs to be done here for NFSv4, since NFSv4 never does
2281 * a VFS_VGET() for "." or "..".
2282 */
2283 if (is_zfs == 1) {
2284 r = VFS_VGET(mp, at.na_fileid, LK_SHARED, &nvp)({ int _rc; _rc = (*(mp)->mnt_op->vfs_vget)(mp, at.na_vattr
.va_fileid, 0x200000, &nvp); _rc; });
2285 if (r == EOPNOTSUPP45) {
2286 usevget = 0;
2287 cn.cn_nameiop = LOOKUP0;
2288 cn.cn_lkflags = LK_SHARED0x200000 | LK_RETRY0x000400;
2289 cn.cn_cred = nd->nd_cred;
2290 cn.cn_thread = p;
2291 } else if (r == 0)
2292 vput(nvp);
2293 }
2294
2295 /*
2296 * Save this position, in case there is an error before one entry
2297 * is created.
2298 */
2299 mb0 = nd->nd_mb;
2300 bpos0 = nd->nd_bpos;
2301
2302 /*
2303 * Fill in the first part of the reply.
2304 * dirlen is the reply length in bytes and cannot exceed cnt.
2305 * (Include the two booleans at the end of the reply in dirlen now,
2306 * so we recognize when we have exceeded cnt.)
2307 */
2308 if (nd->nd_flag & ND_NFSV30x00000008) {
2309 dirlen = NFSX_V3POSTOPATTR(84 + 4) + NFSX_VERF8 + 2 * NFSX_UNSIGNED4;
2310 nfsrv_postopattr(nd, getret, &at);
2311 } else {
2312 dirlen = NFSX_VERF8 + 2 * NFSX_UNSIGNED4;
2313 }
2314 NFSM_BUILD(tl, u_int32_t *, NFSX_VERF)((tl) = (u_int32_t *)nfsm_build(nd, (8)));
2315 txdr_hyper(at.na_filerev, tl)do { ((u_int32_t *)(tl))[0] = (__builtin_constant_p((u_int32_t
)((at.na_vattr.va_filerev) >> 32)) ? (((__uint32_t)((__uint16_t
)(__builtin_constant_p(((__uint32_t)((u_int32_t)((at.na_vattr
.va_filerev) >> 32))) & 0xffff) ? (__uint16_t)(((__uint16_t
)(((__uint32_t)((u_int32_t)((at.na_vattr.va_filerev) >>
32))) & 0xffff)) << 8 | ((__uint16_t)(((__uint32_t
)((u_int32_t)((at.na_vattr.va_filerev) >> 32))) & 0xffff
)) >> 8) : __bswap16_var(((__uint32_t)((u_int32_t)((at.
na_vattr.va_filerev) >> 32))) & 0xffff))) << 16
) | ((__uint16_t)(__builtin_constant_p(((__uint32_t)((u_int32_t
)((at.na_vattr.va_filerev) >> 32))) >> 16) ? (__uint16_t
)(((__uint16_t)(((__uint32_t)((u_int32_t)((at.na_vattr.va_filerev
) >> 32))) >> 16)) << 8 | ((__uint16_t)(((__uint32_t
)((u_int32_t)((at.na_vattr.va_filerev) >> 32))) >>
16)) >> 8) : __bswap16_var(((__uint32_t)((u_int32_t)((
at.na_vattr.va_filerev) >> 32))) >> 16)))) : __bswap32_var
((u_int32_t)((at.na_vattr.va_filerev) >> 32))); ((u_int32_t
*)(tl))[1] = (__builtin_constant_p((u_int32_t)((at.na_vattr.
va_filerev) & 0xffffffff)) ? (((__uint32_t)((__uint16_t)(
__builtin_constant_p(((__uint32_t)((u_int32_t)((at.na_vattr.va_filerev
) & 0xffffffff))) & 0xffff) ? (__uint16_t)(((__uint16_t
)(((__uint32_t)((u_int32_t)((at.na_vattr.va_filerev) & 0xffffffff
))) & 0xffff)) << 8 | ((__uint16_t)(((__uint32_t)((
u_int32_t)((at.na_vattr.va_filerev) & 0xffffffff))) &
0xffff)) >> 8) : __bswap16_var(((__uint32_t)((u_int32_t
)((at.na_vattr.va_filerev) & 0xffffffff))) & 0xffff))
) << 16) | ((__uint16_t)(__builtin_constant_p(((__uint32_t
)((u_int32_t)((at.na_vattr.va_filerev) & 0xffffffff))) >>
16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)((u_int32_t)((
at.na_vattr.va_filerev) & 0xffffffff))) >> 16)) <<
8 | ((__uint16_t)(((__uint32_t)((u_int32_t)((at.na_vattr.va_filerev
) & 0xffffffff))) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)((u_int32_t)((at.na_vattr.va_filerev) & 0xffffffff
))) >> 16)))) : __bswap32_var((u_int32_t)((at.na_vattr.
va_filerev) & 0xffffffff))); } while (0);
2316
2317 /*
2318 * Save this position, in case there is an empty reply needed.
2319 */
2320 mb1 = nd->nd_mb;
2321 bpos1 = nd->nd_bpos;
2322
2323 /* Loop through the records and build reply */
2324 entrycnt = 0;
2325 while (cpos < cend && ncookies > 0 && dirlen < cnt) {
2326 nlen = dp->d_namlen;
2327 if (dp->d_fileno != 0 && dp->d_type != DT_WHT14 &&
2328 nlen <= NFS_MAXNAMLEN255 &&
2329 ((nd->nd_flag & ND_NFSV30x00000008) || nlen > 2 ||
2330 (nlen==2 && (dp->d_name[0]!='.' || dp->d_name[1]!='.'))
2331 || (nlen == 1 && dp->d_name[0] != '.'))) {
2332 /*
2333 * Save the current position in the reply, in case
2334 * this entry exceeds cnt.
2335 */
2336 mb1 = nd->nd_mb;
2337 bpos1 = nd->nd_bpos;
2338
2339 /*
2340 * For readdir_and_lookup get the vnode using
2341 * the file number.
2342 */
2343 nvp = NULL((void *)0);
2344 refp = NULL((void *)0);
2345 r = 0;
2346 at_root = 0;
2347 needs_unbusy = 0;
2348 new_mp = mp;
2349 mounted_on_fileno = (uint64_t)dp->d_fileno;
2350 if ((nd->nd_flag & ND_NFSV30x00000008) ||
2351 NFSNONZERO_ATTRBIT(&savbits)((&savbits)->bits[0] || (&savbits)->bits[1] || (
&savbits)->bits[2])) {
2352 if (nd->nd_flag & ND_NFSV40x00000010)
2353 refp = nfsv4root_getreferral(NULL((void *)0),
2354 vp, dp->d_fileno);
2355 if (refp == NULL((void *)0)) {
2356 if (usevget)
2357 r = VFS_VGET(mp, dp->d_fileno,({ int _rc; _rc = (*(mp)->mnt_op->vfs_vget)(mp, dp->
d_fileno, 0x200000, &nvp); _rc; })
2358 LK_SHARED, &nvp)({ int _rc; _rc = (*(mp)->mnt_op->vfs_vget)(mp, dp->
d_fileno, 0x200000, &nvp); _rc; });
2359 else
2360 r = EOPNOTSUPP45;
2361 if (r == EOPNOTSUPP45) {
2362 if (usevget) {
2363 usevget = 0;
2364 cn.cn_nameiop = LOOKUP0;
2365 cn.cn_lkflags =
2366 LK_SHARED0x200000 |
2367 LK_RETRY0x000400;
2368 cn.cn_cred =
2369 nd->nd_cred;
2370 cn.cn_thread = p;
2371 }
2372 cn.cn_nameptr = dp->d_name;
2373 cn.cn_namelen = nlen;
2374 cn.cn_flags = ISLASTCN0x00008000 |
2375 NOFOLLOW0x0000 | LOCKLEAF0x0004;
2376 if (nlen == 2 &&
2377 dp->d_name[0] == '.' &&
2378 dp->d_name[1] == '.')
2379 cn.cn_flags |=
2380 ISDOTDOT0x00002000;
2381 if (NFSVOPLOCK(vp, LK_SHARED)_vn_lock((vp), (0x200000), "/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
, 2381)
2382 != 0) {
2383 nd->nd_repstat = EPERM1;
2384 break;
2385 }
2386 if ((vp->v_vflag & VV_ROOT0x0001) != 0
2387 && (cn.cn_flags & ISDOTDOT0x00002000)
2388 != 0) {
2389 vref(vp);
2390 nvp = vp;
2391 r = 0;
2392 } else {
2393 r = VOP_LOOKUP(vp, &nvp,
2394 &cn);
2395 if (vp != nvp)
2396 NFSVOPUNLOCK(vp,VOP_UNLOCK((vp), (0))
2397 0)VOP_UNLOCK((vp), (0));
2398 }
2399 }
2400
2401 /*
2402 * For NFSv4, check to see if nvp is
2403 * a mount point and get the mount
2404 * point vnode, as required.
2405 */
2406 if (r == 0 &&
2407 nfsrv_enable_crossmntpt != 0 &&
2408 (nd->nd_flag & ND_NFSV40x00000010) != 0 &&
2409 nvp->v_type == VDIR &&
2410 nvp->v_mountedhere != NULL((void *)0)) {
2411 new_mp = nvp->v_mountedhere;
2412 r = vfs_busy(new_mp, 0);
2413 vput(nvp);
2414 nvp = NULL((void *)0);
2415 if (r == 0) {
2416 r = VFS_ROOT(new_mp,({ int _rc; _rc = (*(new_mp)->mnt_op->vfs_root)(new_mp,
0x200000, &nvp); _rc; })
2417 LK_SHARED, &nvp)({ int _rc; _rc = (*(new_mp)->mnt_op->vfs_root)(new_mp,
0x200000, &nvp); _rc; });
2418 needs_unbusy = 1;
2419 if (r == 0)
2420 at_root = 1;
2421 }
2422 }
2423 }
2424
2425 /*
2426 * If we failed to look up the entry, then it
2427 * has become invalid, most likely removed.
2428 */
2429 if (r != 0) {
2430 if (needs_unbusy)
2431 vfs_unbusy(new_mp);
2432 goto invalid;
2433 }
2434 KASSERT(refp != NULL || nvp != NULL,do { if (__builtin_expect((!(refp != ((void *)0) || nvp != ((
void *)0))), 0)) panic ("%s: undetected lookup error", __func__
); } while (0)
2435 ("%s: undetected lookup error", __func__))do { if (__builtin_expect((!(refp != ((void *)0) || nvp != ((
void *)0))), 0)) panic ("%s: undetected lookup error", __func__
); } while (0);
2436
2437 if (refp == NULL((void *)0) &&
2438 ((nd->nd_flag & ND_NFSV30x00000008) ||
2439 NFSNONZERO_ATTRBIT(&attrbits)((&attrbits)->bits[0] || (&attrbits)->bits[1] ||
(&attrbits)->bits[2]))) {
2440 r = nfsvno_getfh(nvp, &nfh, p);
2441 if (!r)
2442 r = nfsvno_getattr(nvp, nvap, nd, p,
2443 1, &attrbits);
2444 if (r == 0 && is_zfs == 1 &&
2445 nfsrv_enable_crossmntpt != 0 &&
2446 (nd->nd_flag & ND_NFSV40x00000010) != 0 &&
2447 nvp->v_type == VDIR &&
2448 vp->v_mount != nvp->v_mount) {
2449 /*
2450 * For a ZFS snapshot, there is a
2451 * pseudo mount that does not set
2452 * v_mountedhere, so it needs to
2453 * be detected via a different
2454 * mount structure.
2455 */
2456 at_root = 1;
2457 if (new_mp == mp)
2458 new_mp = nvp->v_mount;
2459 }
2460 }
2461
2462 /*
2463 * If we failed to get attributes of the entry,
2464 * then just skip it for NFSv3 (the traditional
2465 * behavior in the old NFS server).
2466 * For NFSv4 the behavior is controlled by
2467 * RDATTRERROR: we either ignore the error or
2468 * fail the request.
2469 * Note that RDATTRERROR is never set for NFSv3.
2470 */
2471 if (r != 0) {
2472 if (!NFSISSET_ATTRBIT(&attrbits,((&attrbits)->bits[(11) / 32] & (1 << ((11) %
32)))
2473 NFSATTRBIT_RDATTRERROR)((&attrbits)->bits[(11) / 32] & (1 << ((11) %
32)))) {
2474 vput(nvp);
2475 if (needs_unbusy != 0)
2476 vfs_unbusy(new_mp);
2477 if ((nd->nd_flag & ND_NFSV30x00000008))
2478 goto invalid;
2479 nd->nd_repstat = r;
2480 break;
2481 }
2482 }
2483 }
2484
2485 /*
2486 * Build the directory record xdr
2487 */
2488 if (nd->nd_flag & ND_NFSV30x00000008) {
2489 NFSM_BUILD(tl, u_int32_t *, 3 * NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (3 * 4)));
2490 *tl++ = newnfs_true;
2491 *tl++ = 0;
2492 *tl = txdr_unsigned(dp->d_fileno)((__builtin_constant_p((int32_t)(dp->d_fileno)) ? (((__uint32_t
)((__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(dp
->d_fileno))) & 0xffff) ? (__uint16_t)(((__uint16_t)((
(__uint32_t)((int32_t)(dp->d_fileno))) & 0xffff)) <<
8 | ((__uint16_t)(((__uint32_t)((int32_t)(dp->d_fileno)))
& 0xffff)) >> 8) : __bswap16_var(((__uint32_t)((int32_t
)(dp->d_fileno))) & 0xffff))) << 16) | ((__uint16_t
)(__builtin_constant_p(((__uint32_t)((int32_t)(dp->d_fileno
))) >> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)((
int32_t)(dp->d_fileno))) >> 16)) << 8 | ((__uint16_t
)(((__uint32_t)((int32_t)(dp->d_fileno))) >> 16)) >>
8) : __bswap16_var(((__uint32_t)((int32_t)(dp->d_fileno))
) >> 16)))) : __bswap32_var((int32_t)(dp->d_fileno))
));
2493 dirlen += nfsm_strtom(nd, dp->d_name, nlen);
2494 NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (2 * 4)));
2495 *tl++ = 0;
2496 *tl = txdr_unsigned(*cookiep)((__builtin_constant_p((int32_t)(*cookiep)) ? (((__uint32_t)(
(__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*cookiep
))) & 0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(
(int32_t)(*cookiep))) & 0xffff)) << 8 | ((__uint16_t
)(((__uint32_t)((int32_t)(*cookiep))) & 0xffff)) >>
8) : __bswap16_var(((__uint32_t)((int32_t)(*cookiep))) &
0xffff))) << 16) | ((__uint16_t)(__builtin_constant_p(
((__uint32_t)((int32_t)(*cookiep))) >> 16) ? (__uint16_t
)(((__uint16_t)(((__uint32_t)((int32_t)(*cookiep))) >> 16
)) << 8 | ((__uint16_t)(((__uint32_t)((int32_t)(*cookiep
))) >> 16)) >> 8) : __bswap16_var(((__uint32_t)((
int32_t)(*cookiep))) >> 16)))) : __bswap32_var((int32_t
)(*cookiep))));
2497 nfsrv_postopattr(nd, 0, nvap);
2498 dirlen += nfsm_fhtom(nd,(u_int8_t *)&nfh,0,1);
2499 dirlen += (5*NFSX_UNSIGNED4+NFSX_V3POSTOPATTR(84 + 4));
2500 if (nvp != NULL((void *)0))
2501 vput(nvp);
2502 } else {
2503 NFSM_BUILD(tl, u_int32_t *, 3 * NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (3 * 4)));
2504 *tl++ = newnfs_true;
2505 *tl++ = 0;
2506 *tl = txdr_unsigned(*cookiep)((__builtin_constant_p((int32_t)(*cookiep)) ? (((__uint32_t)(
(__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*cookiep
))) & 0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(
(int32_t)(*cookiep))) & 0xffff)) << 8 | ((__uint16_t
)(((__uint32_t)((int32_t)(*cookiep))) & 0xffff)) >>
8) : __bswap16_var(((__uint32_t)((int32_t)(*cookiep))) &
0xffff))) << 16) | ((__uint16_t)(__builtin_constant_p(
((__uint32_t)((int32_t)(*cookiep))) >> 16) ? (__uint16_t
)(((__uint16_t)(((__uint32_t)((int32_t)(*cookiep))) >> 16
)) << 8 | ((__uint16_t)(((__uint32_t)((int32_t)(*cookiep
))) >> 16)) >> 8) : __bswap16_var(((__uint32_t)((
int32_t)(*cookiep))) >> 16)))) : __bswap32_var((int32_t
)(*cookiep))));
2507 dirlen += nfsm_strtom(nd, dp->d_name, nlen);
2508 if (nvp != NULL((void *)0)) {
2509 supports_nfsv4acls =
2510 nfs_supportsnfsv4acls(nvp);
2511 NFSVOPUNLOCK(nvp, 0)VOP_UNLOCK((nvp), (0));
2512 } else
2513 supports_nfsv4acls = 0;
2514 if (refp != NULL((void *)0)) {
2515 dirlen += nfsrv_putreferralattr(nd,
2516 &savbits, refp, 0,
2517 &nd->nd_repstat);
2518 if (nd->nd_repstat) {
2519 if (nvp != NULL((void *)0))
2520 vrele(nvp);
2521 if (needs_unbusy != 0)
2522 vfs_unbusy(new_mp);
2523 break;
2524 }
2525 } else if (r) {
2526 dirlen += nfsvno_fillattr(nd, new_mp,
2527 nvp, nvap, &nfh, r, &rderrbits,
2528 nd->nd_cred, p, isdgram, 0,
2529 supports_nfsv4acls, at_root,
2530 mounted_on_fileno);
2531 } else {
2532 dirlen += nfsvno_fillattr(nd, new_mp,
2533 nvp, nvap, &nfh, r, &attrbits,
2534 nd->nd_cred, p, isdgram, 0,
2535 supports_nfsv4acls, at_root,
2536 mounted_on_fileno);
2537 }
2538 if (nvp != NULL((void *)0))
2539 vrele(nvp);
2540 dirlen += (3 * NFSX_UNSIGNED4);
2541 }
2542 if (needs_unbusy != 0)
2543 vfs_unbusy(new_mp);
2544 if (dirlen <= cnt)
2545 entrycnt++;
2546 }
2547invalid:
2548 cpos += dp->d_reclen;
2549 dp = (struct dirent *)cpos;
2550 cookiep++;
2551 ncookies--;
2552 }
2553 vrele(vp);
2554 vfs_unbusy(mp);
2555
2556 /*
2557 * If dirlen > cnt, we must strip off the last entry. If that
2558 * results in an empty reply, report NFSERR_TOOSMALL.
2559 */
2560 if (dirlen > cnt || nd->nd_repstat) {
2561 if (!nd->nd_repstat && entrycnt == 0)
2562 nd->nd_repstat = NFSERR_TOOSMALL10005;
2563 if (nd->nd_repstat) {
2564 newnfs_trimtrailing(nd, mb0, bpos0);
2565 if (nd->nd_flag & ND_NFSV30x00000008)
2566 nfsrv_postopattr(nd, getret, &at);
2567 } else
2568 newnfs_trimtrailing(nd, mb1, bpos1);
2569 eofflag = 0;
2570 } else if (cpos < cend)
2571 eofflag = 0;
2572 if (!nd->nd_repstat) {
2573 NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (2 * 4)));
2574 *tl++ = newnfs_false;
2575 if (eofflag)
2576 *tl = newnfs_true;
2577 else
2578 *tl = newnfs_false;
2579 }
2580 free(cookies, M_TEMP);
2581 free(rbuf, M_TEMP);
2582
2583out:
2584 NFSEXITCODE2(0, nd);
2585 return (0);
2586nfsmout:
2587 vput(vp);
2588 NFSEXITCODE2(error, nd);
2589 return (error);
2590}
2591
2592/*
2593 * Get the settable attributes out of the mbuf list.
2594 * (Return 0 or EBADRPC)
2595 */
2596int
2597nfsrv_sattr(struct nfsrv_descript *nd, vnode_t vp, struct nfsvattr *nvap,
2598 nfsattrbit_t *attrbitp, NFSACL_Tstruct acl *aclp, struct thread *p)
2599{
2600 u_int32_t *tl;
2601 struct nfsv2_sattr *sp;
2602 int error = 0, toclient = 0;
2603
2604 switch (nd->nd_flag & (ND_NFSV20x00000004 | ND_NFSV30x00000008 | ND_NFSV40x00000010)) {
2605 case ND_NFSV20x00000004:
2606 NFSM_DISSECT(sp, struct nfsv2_sattr *, NFSX_V2SATTR)do { (sp) = (struct nfsv2_sattr *)nfsm_dissect(nd, (32)); if (
(sp) == ((void *)0)) { error = 72; goto nfsmout; } } while (0
);
2607 /*
2608 * Some old clients didn't fill in the high order 16bits.
2609 * --> check the low order 2 bytes for 0xffff
2610 */
2611 if ((fxdr_unsigned(int, sp->sa_mode)((int)(__builtin_constant_p((int32_t)(sp->sa_mode)) ? (((__uint32_t
)((__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(sp
->sa_mode))) & 0xffff) ? (__uint16_t)(((__uint16_t)(((
__uint32_t)((int32_t)(sp->sa_mode))) & 0xffff)) <<
8 | ((__uint16_t)(((__uint32_t)((int32_t)(sp->sa_mode))) &
0xffff)) >> 8) : __bswap16_var(((__uint32_t)((int32_t)
(sp->sa_mode))) & 0xffff))) << 16) | ((__uint16_t
)(__builtin_constant_p(((__uint32_t)((int32_t)(sp->sa_mode
))) >> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)((
int32_t)(sp->sa_mode))) >> 16)) << 8 | ((__uint16_t
)(((__uint32_t)((int32_t)(sp->sa_mode))) >> 16)) >>
8) : __bswap16_var(((__uint32_t)((int32_t)(sp->sa_mode)))
>> 16)))) : __bswap32_var((int32_t)(sp->sa_mode)))) & 0xffff) != 0xffff)
2612 nvap->na_modena_vattr.va_mode = nfstov_mode(sp->sa_mode)(((u_int16_t)(__builtin_constant_p((int32_t)((sp->sa_mode)
)) ? (((__uint32_t)((__uint16_t)(__builtin_constant_p(((__uint32_t
)((int32_t)((sp->sa_mode)))) & 0xffff) ? (__uint16_t)(
((__uint16_t)(((__uint32_t)((int32_t)((sp->sa_mode)))) &
0xffff)) << 8 | ((__uint16_t)(((__uint32_t)((int32_t)(
(sp->sa_mode)))) & 0xffff)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)((sp->sa_mode)))) & 0xffff))) <<
16) | ((__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t
)((sp->sa_mode)))) >> 16) ? (__uint16_t)(((__uint16_t
)(((__uint32_t)((int32_t)((sp->sa_mode)))) >> 16)) <<
8 | ((__uint16_t)(((__uint32_t)((int32_t)((sp->sa_mode)))
) >> 16)) >> 8) : __bswap16_var(((__uint32_t)((int32_t
)((sp->sa_mode)))) >> 16)))) : __bswap32_var((int32_t
)((sp->sa_mode)))))&07777);
2613 if (sp->sa_uid != newnfs_xdrneg1)
2614 nvap->na_uidna_vattr.va_uid = fxdr_unsigned(uid_t, sp->sa_uid)((uid_t)(__builtin_constant_p((int32_t)(sp->sa_uid)) ? (((
__uint32_t)((__uint16_t)(__builtin_constant_p(((__uint32_t)((
int32_t)(sp->sa_uid))) & 0xffff) ? (__uint16_t)(((__uint16_t
)(((__uint32_t)((int32_t)(sp->sa_uid))) & 0xffff)) <<
8 | ((__uint16_t)(((__uint32_t)((int32_t)(sp->sa_uid))) &
0xffff)) >> 8) : __bswap16_var(((__uint32_t)((int32_t)
(sp->sa_uid))) & 0xffff))) << 16) | ((__uint16_t
)(__builtin_constant_p(((__uint32_t)((int32_t)(sp->sa_uid)
)) >> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)((int32_t
)(sp->sa_uid))) >> 16)) << 8 | ((__uint16_t)((
(__uint32_t)((int32_t)(sp->sa_uid))) >> 16)) >>
8) : __bswap16_var(((__uint32_t)((int32_t)(sp->sa_uid))) >>
16)))) : __bswap32_var((int32_t)(sp->sa_uid))));
2615 if (sp->sa_gid != newnfs_xdrneg1)
2616 nvap->na_gidna_vattr.va_gid = fxdr_unsigned(gid_t, sp->sa_gid)((gid_t)(__builtin_constant_p((int32_t)(sp->sa_gid)) ? (((
__uint32_t)((__uint16_t)(__builtin_constant_p(((__uint32_t)((
int32_t)(sp->sa_gid))) & 0xffff) ? (__uint16_t)(((__uint16_t
)(((__uint32_t)((int32_t)(sp->sa_gid))) & 0xffff)) <<
8 | ((__uint16_t)(((__uint32_t)((int32_t)(sp->sa_gid))) &
0xffff)) >> 8) : __bswap16_var(((__uint32_t)((int32_t)
(sp->sa_gid))) & 0xffff))) << 16) | ((__uint16_t
)(__builtin_constant_p(((__uint32_t)((int32_t)(sp->sa_gid)
)) >> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)((int32_t
)(sp->sa_gid))) >> 16)) << 8 | ((__uint16_t)((
(__uint32_t)((int32_t)(sp->sa_gid))) >> 16)) >>
8) : __bswap16_var(((__uint32_t)((int32_t)(sp->sa_gid))) >>
16)))) : __bswap32_var((int32_t)(sp->sa_gid))));
2617 if (sp->sa_size != newnfs_xdrneg1)
2618 nvap->na_sizena_vattr.va_size = fxdr_unsigned(u_quad_t, sp->sa_size)((u_quad_t)(__builtin_constant_p((int32_t)(sp->sa_size)) ?
(((__uint32_t)((__uint16_t)(__builtin_constant_p(((__uint32_t
)((int32_t)(sp->sa_size))) & 0xffff) ? (__uint16_t)(((
__uint16_t)(((__uint32_t)((int32_t)(sp->sa_size))) & 0xffff
)) << 8 | ((__uint16_t)(((__uint32_t)((int32_t)(sp->
sa_size))) & 0xffff)) >> 8) : __bswap16_var(((__uint32_t
)((int32_t)(sp->sa_size))) & 0xffff))) << 16) | (
(__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(sp->
sa_size))) >> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t
)((int32_t)(sp->sa_size))) >> 16)) << 8 | ((__uint16_t
)(((__uint32_t)((int32_t)(sp->sa_size))) >> 16)) >>
8) : __bswap16_var(((__uint32_t)((int32_t)(sp->sa_size)))
>> 16)))) : __bswap32_var((int32_t)(sp->sa_size))));
2619 if (sp->sa_atime.nfsv2_sec != newnfs_xdrneg1) {
2620#ifdef notyet
2621 fxdr_nfsv2time(&sp->sa_atime, &nvap->na_atime)do { (&nvap->na_vattr.va_atime)->tv_sec = (__builtin_constant_p
(((struct nfsv2_time *)(&sp->sa_atime))->nfsv2_sec)
? (((__uint32_t)((__uint16_t)(__builtin_constant_p(((__uint32_t
)(((struct nfsv2_time *)(&sp->sa_atime))->nfsv2_sec
)) & 0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t)((
(struct nfsv2_time *)(&sp->sa_atime))->nfsv2_sec)) &
0xffff)) << 8 | ((__uint16_t)(((__uint32_t)(((struct nfsv2_time
*)(&sp->sa_atime))->nfsv2_sec)) & 0xffff)) >>
8) : __bswap16_var(((__uint32_t)(((struct nfsv2_time *)(&
sp->sa_atime))->nfsv2_sec)) & 0xffff))) << 16
) | ((__uint16_t)(__builtin_constant_p(((__uint32_t)(((struct
nfsv2_time *)(&sp->sa_atime))->nfsv2_sec)) >>
16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(((struct nfsv2_time
*)(&sp->sa_atime))->nfsv2_sec)) >> 16)) <<
8 | ((__uint16_t)(((__uint32_t)(((struct nfsv2_time *)(&
sp->sa_atime))->nfsv2_sec)) >> 16)) >> 8) :
__bswap16_var(((__uint32_t)(((struct nfsv2_time *)(&sp->
sa_atime))->nfsv2_sec)) >> 16)))) : __bswap32_var(((
struct nfsv2_time *)(&sp->sa_atime))->nfsv2_sec)); if
(((struct nfsv2_time *)(&sp->sa_atime))->nfsv2_usec
!= 0xffffffff) (&nvap->na_vattr.va_atime)->tv_nsec
= 1000 * (__builtin_constant_p(((struct nfsv2_time *)(&sp
->sa_atime))->nfsv2_usec) ? (((__uint32_t)((__uint16_t)
(__builtin_constant_p(((__uint32_t)(((struct nfsv2_time *)(&
sp->sa_atime))->nfsv2_usec)) & 0xffff) ? (__uint16_t
)(((__uint16_t)(((__uint32_t)(((struct nfsv2_time *)(&sp->
sa_atime))->nfsv2_usec)) & 0xffff)) << 8 | ((__uint16_t
)(((__uint32_t)(((struct nfsv2_time *)(&sp->sa_atime))
->nfsv2_usec)) & 0xffff)) >> 8) : __bswap16_var(
((__uint32_t)(((struct nfsv2_time *)(&sp->sa_atime))->
nfsv2_usec)) & 0xffff))) << 16) | ((__uint16_t)(__builtin_constant_p
(((__uint32_t)(((struct nfsv2_time *)(&sp->sa_atime))->
nfsv2_usec)) >> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t
)(((struct nfsv2_time *)(&sp->sa_atime))->nfsv2_usec
)) >> 16)) << 8 | ((__uint16_t)(((__uint32_t)(((struct
nfsv2_time *)(&sp->sa_atime))->nfsv2_usec)) >>
16)) >> 8) : __bswap16_var(((__uint32_t)(((struct nfsv2_time
*)(&sp->sa_atime))->nfsv2_usec)) >> 16)))) :
__bswap32_var(((struct nfsv2_time *)(&sp->sa_atime))->
nfsv2_usec)); else (&nvap->na_vattr.va_atime)->tv_nsec
= 0; } while (0);
2622#else
2623 nvap->na_atimena_vattr.va_atime.tv_sec =
2624 fxdr_unsigned(u_int32_t,sp->sa_atime.nfsv2_sec)((u_int32_t)(__builtin_constant_p((int32_t)(sp->sa_atime.nfsv2_sec
)) ? (((__uint32_t)((__uint16_t)(__builtin_constant_p(((__uint32_t
)((int32_t)(sp->sa_atime.nfsv2_sec))) & 0xffff) ? (__uint16_t
)(((__uint16_t)(((__uint32_t)((int32_t)(sp->sa_atime.nfsv2_sec
))) & 0xffff)) << 8 | ((__uint16_t)(((__uint32_t)((
int32_t)(sp->sa_atime.nfsv2_sec))) & 0xffff)) >>
8) : __bswap16_var(((__uint32_t)((int32_t)(sp->sa_atime.nfsv2_sec
))) & 0xffff))) << 16) | ((__uint16_t)(__builtin_constant_p
(((__uint32_t)((int32_t)(sp->sa_atime.nfsv2_sec))) >>
16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)((int32_t)(sp->
sa_atime.nfsv2_sec))) >> 16)) << 8 | ((__uint16_t
)(((__uint32_t)((int32_t)(sp->sa_atime.nfsv2_sec))) >>
16)) >> 8) : __bswap16_var(((__uint32_t)((int32_t)(sp->
sa_atime.nfsv2_sec))) >> 16)))) : __bswap32_var((int32_t
)(sp->sa_atime.nfsv2_sec))));
2625 nvap->na_atimena_vattr.va_atime.tv_nsec = 0;
2626#endif
2627 }
2628 if (sp->sa_mtime.nfsv2_sec != newnfs_xdrneg1)
2629 fxdr_nfsv2time(&sp->sa_mtime, &nvap->na_mtime)do { (&nvap->na_vattr.va_mtime)->tv_sec = (__builtin_constant_p
(((struct nfsv2_time *)(&sp->sa_mtime))->nfsv2_sec)
? (((__uint32_t)((__uint16_t)(__builtin_constant_p(((__uint32_t
)(((struct nfsv2_time *)(&sp->sa_mtime))->nfsv2_sec
)) & 0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t)((
(struct nfsv2_time *)(&sp->sa_mtime))->nfsv2_sec)) &
0xffff)) << 8 | ((__uint16_t)(((__uint32_t)(((struct nfsv2_time
*)(&sp->sa_mtime))->nfsv2_sec)) & 0xffff)) >>
8) : __bswap16_var(((__uint32_t)(((struct nfsv2_time *)(&
sp->sa_mtime))->nfsv2_sec)) & 0xffff))) << 16
) | ((__uint16_t)(__builtin_constant_p(((__uint32_t)(((struct
nfsv2_time *)(&sp->sa_mtime))->nfsv2_sec)) >>
16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(((struct nfsv2_time
*)(&sp->sa_mtime))->nfsv2_sec)) >> 16)) <<
8 | ((__uint16_t)(((__uint32_t)(((struct nfsv2_time *)(&
sp->sa_mtime))->nfsv2_sec)) >> 16)) >> 8) :
__bswap16_var(((__uint32_t)(((struct nfsv2_time *)(&sp->
sa_mtime))->nfsv2_sec)) >> 16)))) : __bswap32_var(((
struct nfsv2_time *)(&sp->sa_mtime))->nfsv2_sec)); if
(((struct nfsv2_time *)(&sp->sa_mtime))->nfsv2_usec
!= 0xffffffff) (&nvap->na_vattr.va_mtime)->tv_nsec
= 1000 * (__builtin_constant_p(((struct nfsv2_time *)(&sp
->sa_mtime))->nfsv2_usec) ? (((__uint32_t)((__uint16_t)
(__builtin_constant_p(((__uint32_t)(((struct nfsv2_time *)(&
sp->sa_mtime))->nfsv2_usec)) & 0xffff) ? (__uint16_t
)(((__uint16_t)(((__uint32_t)(((struct nfsv2_time *)(&sp->
sa_mtime))->nfsv2_usec)) & 0xffff)) << 8 | ((__uint16_t
)(((__uint32_t)(((struct nfsv2_time *)(&sp->sa_mtime))
->nfsv2_usec)) & 0xffff)) >> 8) : __bswap16_var(
((__uint32_t)(((struct nfsv2_time *)(&sp->sa_mtime))->
nfsv2_usec)) & 0xffff))) << 16) | ((__uint16_t)(__builtin_constant_p
(((__uint32_t)(((struct nfsv2_time *)(&sp->sa_mtime))->
nfsv2_usec)) >> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t
)(((struct nfsv2_time *)(&sp->sa_mtime))->nfsv2_usec
)) >> 16)) << 8 | ((__uint16_t)(((__uint32_t)(((struct
nfsv2_time *)(&sp->sa_mtime))->nfsv2_usec)) >>
16)) >> 8) : __bswap16_var(((__uint32_t)(((struct nfsv2_time
*)(&sp->sa_mtime))->nfsv2_usec)) >> 16)))) :
__bswap32_var(((struct nfsv2_time *)(&sp->sa_mtime))->
nfsv2_usec)); else (&nvap->na_vattr.va_mtime)->tv_nsec
= 0; } while (0);
2630 break;
2631 case ND_NFSV30x00000008:
2632 NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (4)); if ((tl) == (
(void *)0)) { error = 72; goto nfsmout; } } while (0);
2633 if (*tl == newnfs_true) {
2634 NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (4)); if ((tl) == (
(void *)0)) { error = 72; goto nfsmout; } } while (0);
2635 nvap->na_modena_vattr.va_mode = nfstov_mode(*tl)(((u_int16_t)(__builtin_constant_p((int32_t)((*tl))) ? (((__uint32_t
)((__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)((
*tl)))) & 0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t
)((int32_t)((*tl)))) & 0xffff)) << 8 | ((__uint16_t
)(((__uint32_t)((int32_t)((*tl)))) & 0xffff)) >> 8)
: __bswap16_var(((__uint32_t)((int32_t)((*tl)))) & 0xffff
))) << 16) | ((__uint16_t)(__builtin_constant_p(((__uint32_t
)((int32_t)((*tl)))) >> 16) ? (__uint16_t)(((__uint16_t
)(((__uint32_t)((int32_t)((*tl)))) >> 16)) << 8 |
((__uint16_t)(((__uint32_t)((int32_t)((*tl)))) >> 16))
>> 8) : __bswap16_var(((__uint32_t)((int32_t)((*tl))))
>> 16)))) : __bswap32_var((int32_t)((*tl)))))&07777
);
2636 }
2637 NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (4)); if ((tl) == (
(void *)0)) { error = 72; goto nfsmout; } } while (0);
2638 if (*tl == newnfs_true) {
2639 NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (4)); if ((tl) == (
(void *)0)) { error = 72; goto nfsmout; } } while (0);
2640 nvap->na_uidna_vattr.va_uid = fxdr_unsigned(uid_t, *tl)((uid_t)(__builtin_constant_p((int32_t)(*tl)) ? (((__uint32_t
)((__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*
tl))) & 0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t
)((int32_t)(*tl))) & 0xffff)) << 8 | ((__uint16_t)(
((__uint32_t)((int32_t)(*tl))) & 0xffff)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) & 0xffff))) << 16) |
((__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*
tl))) >> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)
((int32_t)(*tl))) >> 16)) << 8 | ((__uint16_t)(((
__uint32_t)((int32_t)(*tl))) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) >> 16)))) : __bswap32_var
((int32_t)(*tl))));
2641 }
2642 NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (4)); if ((tl) == (
(void *)0)) { error = 72; goto nfsmout; } } while (0);
2643 if (*tl == newnfs_true) {
2644 NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (4)); if ((tl) == (
(void *)0)) { error = 72; goto nfsmout; } } while (0);
2645 nvap->na_gidna_vattr.va_gid = fxdr_unsigned(gid_t, *tl)((gid_t)(__builtin_constant_p((int32_t)(*tl)) ? (((__uint32_t
)((__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*
tl))) & 0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t
)((int32_t)(*tl))) & 0xffff)) << 8 | ((__uint16_t)(
((__uint32_t)((int32_t)(*tl))) & 0xffff)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) & 0xffff))) << 16) |
((__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*
tl))) >> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)
((int32_t)(*tl))) >> 16)) << 8 | ((__uint16_t)(((
__uint32_t)((int32_t)(*tl))) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) >> 16)))) : __bswap32_var
((int32_t)(*tl))));
2646 }
2647 NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (4)); if ((tl) == (
(void *)0)) { error = 72; goto nfsmout; } } while (0);
2648 if (*tl == newnfs_true) {
2649 NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (2 * 4)); if ((tl) ==
((void *)0)) { error = 72; goto nfsmout; } } while (0);
2650 nvap->na_sizena_vattr.va_size = fxdr_hyper(tl)((((u_quad_t)(__builtin_constant_p(((u_int32_t *)(tl))[0]) ? (
((__uint32_t)((__uint16_t)(__builtin_constant_p(((__uint32_t)
(((u_int32_t *)(tl))[0])) & 0xffff) ? (__uint16_t)(((__uint16_t
)(((__uint32_t)(((u_int32_t *)(tl))[0])) & 0xffff)) <<
8 | ((__uint16_t)(((__uint32_t)(((u_int32_t *)(tl))[0])) &
0xffff)) >> 8) : __bswap16_var(((__uint32_t)(((u_int32_t
*)(tl))[0])) & 0xffff))) << 16) | ((__uint16_t)(__builtin_constant_p
(((__uint32_t)(((u_int32_t *)(tl))[0])) >> 16) ? (__uint16_t
)(((__uint16_t)(((__uint32_t)(((u_int32_t *)(tl))[0])) >>
16)) << 8 | ((__uint16_t)(((__uint32_t)(((u_int32_t *)
(tl))[0])) >> 16)) >> 8) : __bswap16_var(((__uint32_t
)(((u_int32_t *)(tl))[0])) >> 16)))) : __bswap32_var(((
u_int32_t *)(tl))[0]))) << 32) | (u_quad_t)((__builtin_constant_p
(((u_int32_t *)(tl))[1]) ? (((__uint32_t)((__uint16_t)(__builtin_constant_p
(((__uint32_t)(((u_int32_t *)(tl))[1])) & 0xffff) ? (__uint16_t
)(((__uint16_t)(((__uint32_t)(((u_int32_t *)(tl))[1])) & 0xffff
)) << 8 | ((__uint16_t)(((__uint32_t)(((u_int32_t *)(tl
))[1])) & 0xffff)) >> 8) : __bswap16_var(((__uint32_t
)(((u_int32_t *)(tl))[1])) & 0xffff))) << 16) | ((__uint16_t
)(__builtin_constant_p(((__uint32_t)(((u_int32_t *)(tl))[1]))
>> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(((u_int32_t
*)(tl))[1])) >> 16)) << 8 | ((__uint16_t)(((__uint32_t
)(((u_int32_t *)(tl))[1])) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)(((u_int32_t *)(tl))[1])) >> 16)))) : __bswap32_var
(((u_int32_t *)(tl))[1]))));
2651 }
2652 NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (4)); if ((tl) == (
(void *)0)) { error = 72; goto nfsmout; } } while (0);
2653 switch (fxdr_unsigned(int, *tl)((int)(__builtin_constant_p((int32_t)(*tl)) ? (((__uint32_t)(
(__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*tl
))) & 0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(
(int32_t)(*tl))) & 0xffff)) << 8 | ((__uint16_t)(((
__uint32_t)((int32_t)(*tl))) & 0xffff)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) & 0xffff))) << 16) |
((__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*
tl))) >> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)
((int32_t)(*tl))) >> 16)) << 8 | ((__uint16_t)(((
__uint32_t)((int32_t)(*tl))) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) >> 16)))) : __bswap32_var
((int32_t)(*tl))))) {
2654 case NFSV3SATTRTIME_TOCLIENT2:
2655 NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (2 * 4)); if ((tl) ==
((void *)0)) { error = 72; goto nfsmout; } } while (0);
2656 fxdr_nfsv3time(tl, &nvap->na_atime)do { (&nvap->na_vattr.va_atime)->tv_sec = (__builtin_constant_p
(((struct nfsv3_time *)(tl))->nfsv3_sec) ? (((__uint32_t)(
(__uint16_t)(__builtin_constant_p(((__uint32_t)(((struct nfsv3_time
*)(tl))->nfsv3_sec)) & 0xffff) ? (__uint16_t)(((__uint16_t
)(((__uint32_t)(((struct nfsv3_time *)(tl))->nfsv3_sec)) &
0xffff)) << 8 | ((__uint16_t)(((__uint32_t)(((struct nfsv3_time
*)(tl))->nfsv3_sec)) & 0xffff)) >> 8) : __bswap16_var
(((__uint32_t)(((struct nfsv3_time *)(tl))->nfsv3_sec)) &
0xffff))) << 16) | ((__uint16_t)(__builtin_constant_p(
((__uint32_t)(((struct nfsv3_time *)(tl))->nfsv3_sec)) >>
16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(((struct nfsv3_time
*)(tl))->nfsv3_sec)) >> 16)) << 8 | ((__uint16_t
)(((__uint32_t)(((struct nfsv3_time *)(tl))->nfsv3_sec)) >>
16)) >> 8) : __bswap16_var(((__uint32_t)(((struct nfsv3_time
*)(tl))->nfsv3_sec)) >> 16)))) : __bswap32_var(((struct
nfsv3_time *)(tl))->nfsv3_sec)); (&nvap->na_vattr.
va_atime)->tv_nsec = (__builtin_constant_p(((struct nfsv3_time
*)(tl))->nfsv3_nsec) ? (((__uint32_t)((__uint16_t)(__builtin_constant_p
(((__uint32_t)(((struct nfsv3_time *)(tl))->nfsv3_nsec)) &
0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(((struct nfsv3_time
*)(tl))->nfsv3_nsec)) & 0xffff)) << 8 | ((__uint16_t
)(((__uint32_t)(((struct nfsv3_time *)(tl))->nfsv3_nsec)) &
0xffff)) >> 8) : __bswap16_var(((__uint32_t)(((struct nfsv3_time
*)(tl))->nfsv3_nsec)) & 0xffff))) << 16) | ((__uint16_t
)(__builtin_constant_p(((__uint32_t)(((struct nfsv3_time *)(tl
))->nfsv3_nsec)) >> 16) ? (__uint16_t)(((__uint16_t)
(((__uint32_t)(((struct nfsv3_time *)(tl))->nfsv3_nsec)) >>
16)) << 8 | ((__uint16_t)(((__uint32_t)(((struct nfsv3_time
*)(tl))->nfsv3_nsec)) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)(((struct nfsv3_time *)(tl))->nfsv3_nsec)) >>
16)))) : __bswap32_var(((struct nfsv3_time *)(tl))->nfsv3_nsec
)); } while (0);
2657 toclient = 1;
2658 break;
2659 case NFSV3SATTRTIME_TOSERVER1:
2660 vfs_timestamp(&nvap->na_atimena_vattr.va_atime);
2661 nvap->na_vaflagsna_vattr.va_vaflags |= VA_UTIMES_NULL0x01;
2662 break;
2663 }
2664 NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (4)); if ((tl) == (
(void *)0)) { error = 72; goto nfsmout; } } while (0);
2665 switch (fxdr_unsigned(int, *tl)((int)(__builtin_constant_p((int32_t)(*tl)) ? (((__uint32_t)(
(__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*tl
))) & 0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(
(int32_t)(*tl))) & 0xffff)) << 8 | ((__uint16_t)(((
__uint32_t)((int32_t)(*tl))) & 0xffff)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) & 0xffff))) << 16) |
((__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*
tl))) >> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)
((int32_t)(*tl))) >> 16)) << 8 | ((__uint16_t)(((
__uint32_t)((int32_t)(*tl))) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) >> 16)))) : __bswap32_var
((int32_t)(*tl))))) {
2666 case NFSV3SATTRTIME_TOCLIENT2:
2667 NFSM_DISSECT(tl, u_int32_t *, 2 * NFSX_UNSIGNED)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (2 * 4)); if ((tl) ==
((void *)0)) { error = 72; goto nfsmout; } } while (0);
2668 fxdr_nfsv3time(tl, &nvap->na_mtime)do { (&nvap->na_vattr.va_mtime)->tv_sec = (__builtin_constant_p
(((struct nfsv3_time *)(tl))->nfsv3_sec) ? (((__uint32_t)(
(__uint16_t)(__builtin_constant_p(((__uint32_t)(((struct nfsv3_time
*)(tl))->nfsv3_sec)) & 0xffff) ? (__uint16_t)(((__uint16_t
)(((__uint32_t)(((struct nfsv3_time *)(tl))->nfsv3_sec)) &
0xffff)) << 8 | ((__uint16_t)(((__uint32_t)(((struct nfsv3_time
*)(tl))->nfsv3_sec)) & 0xffff)) >> 8) : __bswap16_var
(((__uint32_t)(((struct nfsv3_time *)(tl))->nfsv3_sec)) &
0xffff))) << 16) | ((__uint16_t)(__builtin_constant_p(
((__uint32_t)(((struct nfsv3_time *)(tl))->nfsv3_sec)) >>
16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(((struct nfsv3_time
*)(tl))->nfsv3_sec)) >> 16)) << 8 | ((__uint16_t
)(((__uint32_t)(((struct nfsv3_time *)(tl))->nfsv3_sec)) >>
16)) >> 8) : __bswap16_var(((__uint32_t)(((struct nfsv3_time
*)(tl))->nfsv3_sec)) >> 16)))) : __bswap32_var(((struct
nfsv3_time *)(tl))->nfsv3_sec)); (&nvap->na_vattr.
va_mtime)->tv_nsec = (__builtin_constant_p(((struct nfsv3_time
*)(tl))->nfsv3_nsec) ? (((__uint32_t)((__uint16_t)(__builtin_constant_p
(((__uint32_t)(((struct nfsv3_time *)(tl))->nfsv3_nsec)) &
0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(((struct nfsv3_time
*)(tl))->nfsv3_nsec)) & 0xffff)) << 8 | ((__uint16_t
)(((__uint32_t)(((struct nfsv3_time *)(tl))->nfsv3_nsec)) &
0xffff)) >> 8) : __bswap16_var(((__uint32_t)(((struct nfsv3_time
*)(tl))->nfsv3_nsec)) & 0xffff))) << 16) | ((__uint16_t
)(__builtin_constant_p(((__uint32_t)(((struct nfsv3_time *)(tl
))->nfsv3_nsec)) >> 16) ? (__uint16_t)(((__uint16_t)
(((__uint32_t)(((struct nfsv3_time *)(tl))->nfsv3_nsec)) >>
16)) << 8 | ((__uint16_t)(((__uint32_t)(((struct nfsv3_time
*)(tl))->nfsv3_nsec)) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)(((struct nfsv3_time *)(tl))->nfsv3_nsec)) >>
16)))) : __bswap32_var(((struct nfsv3_time *)(tl))->nfsv3_nsec
)); } while (0);
2669 nvap->na_vaflagsna_vattr.va_vaflags &= ~VA_UTIMES_NULL0x01;
2670 break;
2671 case NFSV3SATTRTIME_TOSERVER1:
2672 vfs_timestamp(&nvap->na_mtimena_vattr.va_mtime);
2673 if (!toclient)
2674 nvap->na_vaflagsna_vattr.va_vaflags |= VA_UTIMES_NULL0x01;
2675 break;
2676 }
2677 break;
2678 case ND_NFSV40x00000010:
2679 error = nfsv4_sattr(nd, vp, nvap, attrbitp, aclp, p);
2680 }
2681nfsmout:
2682 NFSEXITCODE2(error, nd);
2683 return (error);
2684}
2685
2686/*
2687 * Handle the setable attributes for V4.
2688 * Returns NFSERR_BADXDR if it can't be parsed, 0 otherwise.
2689 */
2690int
2691nfsv4_sattr(struct nfsrv_descript *nd, vnode_t vp, struct nfsvattr *nvap,
2692 nfsattrbit_t *attrbitp, NFSACL_Tstruct acl *aclp, struct thread *p)
2693{
2694 u_int32_t *tl;
2695 int attrsum = 0;
2696 int i, j;
2697 int error, attrsize, bitpos, aclsize, aceerr, retnotsup = 0;
2698 int toclient = 0;
2699 u_char *cp, namestr[NFSV4_SMALLSTR50 + 1];
2700 uid_t uid;
2701 gid_t gid;
2702
2703 error = nfsrv_getattrbits(nd, attrbitp, NULL((void *)0), &retnotsup);
2704 if (error)
2705 goto nfsmout;
2706 NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (4)); if ((tl) == (
(void *)0)) { error = 72; goto nfsmout; } } while (0);
2707 attrsize = fxdr_unsigned(int, *tl)((int)(__builtin_constant_p((int32_t)(*tl)) ? (((__uint32_t)(
(__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*tl
))) & 0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(
(int32_t)(*tl))) & 0xffff)) << 8 | ((__uint16_t)(((
__uint32_t)((int32_t)(*tl))) & 0xffff)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) & 0xffff))) << 16) |
((__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*
tl))) >> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)
((int32_t)(*tl))) >> 16)) << 8 | ((__uint16_t)(((
__uint32_t)((int32_t)(*tl))) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) >> 16)))) : __bswap32_var
((int32_t)(*tl))));
2708
2709 /*
2710 * Loop around getting the setable attributes. If an unsupported
2711 * one is found, set nd_repstat == NFSERR_ATTRNOTSUPP and return.
2712 */
2713 if (retnotsup) {
2714 nd->nd_repstat = NFSERR_ATTRNOTSUPP10032;
2715 bitpos = NFSATTRBIT_MAX77;
2716 } else {
2717 bitpos = 0;
2718 }
2719 for (; bitpos < NFSATTRBIT_MAX77; bitpos++) {
2720 if (attrsum > attrsize) {
2721 error = NFSERR_BADXDR10036;
2722 goto nfsmout;
2723 }
2724 if (NFSISSET_ATTRBIT(attrbitp, bitpos)((attrbitp)->bits[(bitpos) / 32] & (1 << ((bitpos
) % 32))))
2725 switch (bitpos) {
2726 case NFSATTRBIT_SIZE4:
2727 NFSM_DISSECT(tl, u_int32_t *, NFSX_HYPER)do { (tl) = (u_int32_t *)nfsm_dissect(nd, ((2 * 4))); if ((tl
) == ((void *)0)) { error = 72; goto nfsmout; } } while (0);
2728 if (vp != NULL((void *)0) && vp->v_type != VREG) {
2729 error = (vp->v_type == VDIR) ? NFSERR_ISDIR21 :
2730 NFSERR_INVAL22;
2731 goto nfsmout;
2732 }
2733 nvap->na_sizena_vattr.va_size = fxdr_hyper(tl)((((u_quad_t)(__builtin_constant_p(((u_int32_t *)(tl))[0]) ? (
((__uint32_t)((__uint16_t)(__builtin_constant_p(((__uint32_t)
(((u_int32_t *)(tl))[0])) & 0xffff) ? (__uint16_t)(((__uint16_t
)(((__uint32_t)(((u_int32_t *)(tl))[0])) & 0xffff)) <<
8 | ((__uint16_t)(((__uint32_t)(((u_int32_t *)(tl))[0])) &
0xffff)) >> 8) : __bswap16_var(((__uint32_t)(((u_int32_t
*)(tl))[0])) & 0xffff))) << 16) | ((__uint16_t)(__builtin_constant_p
(((__uint32_t)(((u_int32_t *)(tl))[0])) >> 16) ? (__uint16_t
)(((__uint16_t)(((__uint32_t)(((u_int32_t *)(tl))[0])) >>
16)) << 8 | ((__uint16_t)(((__uint32_t)(((u_int32_t *)
(tl))[0])) >> 16)) >> 8) : __bswap16_var(((__uint32_t
)(((u_int32_t *)(tl))[0])) >> 16)))) : __bswap32_var(((
u_int32_t *)(tl))[0]))) << 32) | (u_quad_t)((__builtin_constant_p
(((u_int32_t *)(tl))[1]) ? (((__uint32_t)((__uint16_t)(__builtin_constant_p
(((__uint32_t)(((u_int32_t *)(tl))[1])) & 0xffff) ? (__uint16_t
)(((__uint16_t)(((__uint32_t)(((u_int32_t *)(tl))[1])) & 0xffff
)) << 8 | ((__uint16_t)(((__uint32_t)(((u_int32_t *)(tl
))[1])) & 0xffff)) >> 8) : __bswap16_var(((__uint32_t
)(((u_int32_t *)(tl))[1])) & 0xffff))) << 16) | ((__uint16_t
)(__builtin_constant_p(((__uint32_t)(((u_int32_t *)(tl))[1]))
>> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(((u_int32_t
*)(tl))[1])) >> 16)) << 8 | ((__uint16_t)(((__uint32_t
)(((u_int32_t *)(tl))[1])) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)(((u_int32_t *)(tl))[1])) >> 16)))) : __bswap32_var
(((u_int32_t *)(tl))[1]))));
2734 attrsum += NFSX_HYPER(2 * 4);
2735 break;
2736 case NFSATTRBIT_ACL12:
2737 error = nfsrv_dissectacl(nd, aclp, &aceerr, &aclsize,
2738 p);
2739 if (error)
2740 goto nfsmout;
2741 if (aceerr && !nd->nd_repstat)
2742 nd->nd_repstat = aceerr;
2743 attrsum += aclsize;
2744 break;
2745 case NFSATTRBIT_ARCHIVE14:
2746 NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (4)); if ((tl) == (
(void *)0)) { error = 72; goto nfsmout; } } while (0);
2747 if (!nd->nd_repstat)
2748 nd->nd_repstat = NFSERR_ATTRNOTSUPP10032;
2749 attrsum += NFSX_UNSIGNED4;
2750 break;
2751 case NFSATTRBIT_HIDDEN25:
2752 NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (4)); if ((tl) == (
(void *)0)) { error = 72; goto nfsmout; } } while (0);
2753 if (!nd->nd_repstat)
2754 nd->nd_repstat = NFSERR_ATTRNOTSUPP10032;
2755 attrsum += NFSX_UNSIGNED4;
2756 break;
2757 case NFSATTRBIT_MIMETYPE32:
2758 NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (4)); if ((tl) == (
(void *)0)) { error = 72; goto nfsmout; } } while (0);
2759 i = fxdr_unsigned(int, *tl)((int)(__builtin_constant_p((int32_t)(*tl)) ? (((__uint32_t)(
(__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*tl
))) & 0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(
(int32_t)(*tl))) & 0xffff)) << 8 | ((__uint16_t)(((
__uint32_t)((int32_t)(*tl))) & 0xffff)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) & 0xffff))) << 16) |
((__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*
tl))) >> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)
((int32_t)(*tl))) >> 16)) << 8 | ((__uint16_t)(((
__uint32_t)((int32_t)(*tl))) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) >> 16)))) : __bswap32_var
((int32_t)(*tl))));
2760 error = nfsm_advance(nd, NFSM_RNDUP(i)(((i)+3)&(~0x3)), -1);
2761 if (error)
2762 goto nfsmout;
2763 if (!nd->nd_repstat)
2764 nd->nd_repstat = NFSERR_ATTRNOTSUPP10032;
2765 attrsum += (NFSX_UNSIGNED4 + NFSM_RNDUP(i)(((i)+3)&(~0x3)));
2766 break;
2767 case NFSATTRBIT_MODE33:
2768 NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (4)); if ((tl) == (
(void *)0)) { error = 72; goto nfsmout; } } while (0);
2769 nvap->na_modena_vattr.va_mode = nfstov_mode(*tl)(((u_int16_t)(__builtin_constant_p((int32_t)((*tl))) ? (((__uint32_t
)((__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)((
*tl)))) & 0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t
)((int32_t)((*tl)))) & 0xffff)) << 8 | ((__uint16_t
)(((__uint32_t)((int32_t)((*tl)))) & 0xffff)) >> 8)
: __bswap16_var(((__uint32_t)((int32_t)((*tl)))) & 0xffff
))) << 16) | ((__uint16_t)(__builtin_constant_p(((__uint32_t
)((int32_t)((*tl)))) >> 16) ? (__uint16_t)(((__uint16_t
)(((__uint32_t)((int32_t)((*tl)))) >> 16)) << 8 |
((__uint16_t)(((__uint32_t)((int32_t)((*tl)))) >> 16))
>> 8) : __bswap16_var(((__uint32_t)((int32_t)((*tl))))
>> 16)))) : __bswap32_var((int32_t)((*tl)))))&07777
);
2770 attrsum += NFSX_UNSIGNED4;
2771 break;
2772 case NFSATTRBIT_OWNER36:
2773 NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (4)); if ((tl) == (
(void *)0)) { error = 72; goto nfsmout; } } while (0);
2774 j = fxdr_unsigned(int, *tl)((int)(__builtin_constant_p((int32_t)(*tl)) ? (((__uint32_t)(
(__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*tl
))) & 0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(
(int32_t)(*tl))) & 0xffff)) << 8 | ((__uint16_t)(((
__uint32_t)((int32_t)(*tl))) & 0xffff)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) & 0xffff))) << 16) |
((__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*
tl))) >> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)
((int32_t)(*tl))) >> 16)) << 8 | ((__uint16_t)(((
__uint32_t)((int32_t)(*tl))) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) >> 16)))) : __bswap32_var
((int32_t)(*tl))));
2775 if (j < 0) {
2776 error = NFSERR_BADXDR10036;
2777 goto nfsmout;
2778 }
2779 if (j > NFSV4_SMALLSTR50)
2780 cp = malloc(j + 1, M_NFSSTRINGM_NEWNFSSTRING, M_WAITOK0x0002);
2781 else
2782 cp = namestr;
2783 error = nfsrv_mtostr(nd, cp, j);
2784 if (error) {
2785 if (j > NFSV4_SMALLSTR50)
2786 free(cp, M_NFSSTRINGM_NEWNFSSTRING);
2787 goto nfsmout;
2788 }
2789 if (!nd->nd_repstat) {
2790 nd->nd_repstat = nfsv4_strtouid(nd, cp, j, &uid,
2791 p);
2792 if (!nd->nd_repstat)
2793 nvap->na_uidna_vattr.va_uid = uid;
2794 }
2795 if (j > NFSV4_SMALLSTR50)
2796 free(cp, M_NFSSTRINGM_NEWNFSSTRING);
2797 attrsum += (NFSX_UNSIGNED4 + NFSM_RNDUP(j)(((j)+3)&(~0x3)));
2798 break;
2799 case NFSATTRBIT_OWNERGROUP37:
2800 NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (4)); if ((tl) == (
(void *)0)) { error = 72; goto nfsmout; } } while (0);
2801 j = fxdr_unsigned(int, *tl)((int)(__builtin_constant_p((int32_t)(*tl)) ? (((__uint32_t)(
(__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*tl
))) & 0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(
(int32_t)(*tl))) & 0xffff)) << 8 | ((__uint16_t)(((
__uint32_t)((int32_t)(*tl))) & 0xffff)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) & 0xffff))) << 16) |
((__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*
tl))) >> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)
((int32_t)(*tl))) >> 16)) << 8 | ((__uint16_t)(((
__uint32_t)((int32_t)(*tl))) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) >> 16)))) : __bswap32_var
((int32_t)(*tl))));
2802 if (j < 0) {
2803 error = NFSERR_BADXDR10036;
2804 goto nfsmout;
2805 }
2806 if (j > NFSV4_SMALLSTR50)
2807 cp = malloc(j + 1, M_NFSSTRINGM_NEWNFSSTRING, M_WAITOK0x0002);
2808 else
2809 cp = namestr;
2810 error = nfsrv_mtostr(nd, cp, j);
2811 if (error) {
2812 if (j > NFSV4_SMALLSTR50)
2813 free(cp, M_NFSSTRINGM_NEWNFSSTRING);
2814 goto nfsmout;
2815 }
2816 if (!nd->nd_repstat) {
2817 nd->nd_repstat = nfsv4_strtogid(nd, cp, j, &gid,
2818 p);
2819 if (!nd->nd_repstat)
2820 nvap->na_gidna_vattr.va_gid = gid;
2821 }
2822 if (j > NFSV4_SMALLSTR50)
2823 free(cp, M_NFSSTRINGM_NEWNFSSTRING);
2824 attrsum += (NFSX_UNSIGNED4 + NFSM_RNDUP(j)(((j)+3)&(~0x3)));
2825 break;
2826 case NFSATTRBIT_SYSTEM46:
2827 NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (4)); if ((tl) == (
(void *)0)) { error = 72; goto nfsmout; } } while (0);
2828 if (!nd->nd_repstat)
2829 nd->nd_repstat = NFSERR_ATTRNOTSUPP10032;
2830 attrsum += NFSX_UNSIGNED4;
2831 break;
2832 case NFSATTRBIT_TIMEACCESSSET48:
2833 NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (4)); if ((tl) == (
(void *)0)) { error = 72; goto nfsmout; } } while (0);
2834 attrsum += NFSX_UNSIGNED4;
2835 if (fxdr_unsigned(int, *tl)((int)(__builtin_constant_p((int32_t)(*tl)) ? (((__uint32_t)(
(__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*tl
))) & 0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(
(int32_t)(*tl))) & 0xffff)) << 8 | ((__uint16_t)(((
__uint32_t)((int32_t)(*tl))) & 0xffff)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) & 0xffff))) << 16) |
((__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*
tl))) >> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)
((int32_t)(*tl))) >> 16)) << 8 | ((__uint16_t)(((
__uint32_t)((int32_t)(*tl))) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) >> 16)))) : __bswap32_var
((int32_t)(*tl))))==NFSV4SATTRTIME_TOCLIENT1) {
2836 NFSM_DISSECT(tl, u_int32_t *, NFSX_V4TIME)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (((2 * 4) + 4))); if
((tl) == ((void *)0)) { error = 72; goto nfsmout; } } while (
0);
2837 fxdr_nfsv4time(tl, &nvap->na_atime)do { (&nvap->na_vattr.va_atime)->tv_sec = (__builtin_constant_p
(((struct nfsv4_time *)(tl))->nfsv4_sec) ? (((__uint32_t)(
(__uint16_t)(__builtin_constant_p(((__uint32_t)(((struct nfsv4_time
*)(tl))->nfsv4_sec)) & 0xffff) ? (__uint16_t)(((__uint16_t
)(((__uint32_t)(((struct nfsv4_time *)(tl))->nfsv4_sec)) &
0xffff)) << 8 | ((__uint16_t)(((__uint32_t)(((struct nfsv4_time
*)(tl))->nfsv4_sec)) & 0xffff)) >> 8) : __bswap16_var
(((__uint32_t)(((struct nfsv4_time *)(tl))->nfsv4_sec)) &
0xffff))) << 16) | ((__uint16_t)(__builtin_constant_p(
((__uint32_t)(((struct nfsv4_time *)(tl))->nfsv4_sec)) >>
16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(((struct nfsv4_time
*)(tl))->nfsv4_sec)) >> 16)) << 8 | ((__uint16_t
)(((__uint32_t)(((struct nfsv4_time *)(tl))->nfsv4_sec)) >>
16)) >> 8) : __bswap16_var(((__uint32_t)(((struct nfsv4_time
*)(tl))->nfsv4_sec)) >> 16)))) : __bswap32_var(((struct
nfsv4_time *)(tl))->nfsv4_sec)); (&nvap->na_vattr.
va_atime)->tv_nsec = ((__builtin_constant_p(((struct nfsv4_time
*)(tl))->nfsv4_nsec) ? (((__uint32_t)((__uint16_t)(__builtin_constant_p
(((__uint32_t)(((struct nfsv4_time *)(tl))->nfsv4_nsec)) &
0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(((struct nfsv4_time
*)(tl))->nfsv4_nsec)) & 0xffff)) << 8 | ((__uint16_t
)(((__uint32_t)(((struct nfsv4_time *)(tl))->nfsv4_nsec)) &
0xffff)) >> 8) : __bswap16_var(((__uint32_t)(((struct nfsv4_time
*)(tl))->nfsv4_nsec)) & 0xffff))) << 16) | ((__uint16_t
)(__builtin_constant_p(((__uint32_t)(((struct nfsv4_time *)(tl
))->nfsv4_nsec)) >> 16) ? (__uint16_t)(((__uint16_t)
(((__uint32_t)(((struct nfsv4_time *)(tl))->nfsv4_nsec)) >>
16)) << 8 | ((__uint16_t)(((__uint32_t)(((struct nfsv4_time
*)(tl))->nfsv4_nsec)) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)(((struct nfsv4_time *)(tl))->nfsv4_nsec)) >>
16)))) : __bswap32_var(((struct nfsv4_time *)(tl))->nfsv4_nsec
)) % 1000000000); } while (0);
2838 toclient = 1;
2839 attrsum += NFSX_V4TIME((2 * 4) + 4);
2840 } else {
2841 vfs_timestamp(&nvap->na_atimena_vattr.va_atime);
2842 nvap->na_vaflagsna_vattr.va_vaflags |= VA_UTIMES_NULL0x01;
2843 }
2844 break;
2845 case NFSATTRBIT_TIMEBACKUP49:
2846 NFSM_DISSECT(tl, u_int32_t *, NFSX_V4TIME)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (((2 * 4) + 4))); if
((tl) == ((void *)0)) { error = 72; goto nfsmout; } } while (
0);
2847 if (!nd->nd_repstat)
2848 nd->nd_repstat = NFSERR_ATTRNOTSUPP10032;
2849 attrsum += NFSX_V4TIME((2 * 4) + 4);
2850 break;
2851 case NFSATTRBIT_TIMECREATE50:
2852 NFSM_DISSECT(tl, u_int32_t *, NFSX_V4TIME)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (((2 * 4) + 4))); if
((tl) == ((void *)0)) { error = 72; goto nfsmout; } } while (
0);
2853 if (!nd->nd_repstat)
2854 nd->nd_repstat = NFSERR_ATTRNOTSUPP10032;
2855 attrsum += NFSX_V4TIME((2 * 4) + 4);
2856 break;
2857 case NFSATTRBIT_TIMEMODIFYSET54:
2858 NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (4)); if ((tl) == (
(void *)0)) { error = 72; goto nfsmout; } } while (0);
2859 attrsum += NFSX_UNSIGNED4;
2860 if (fxdr_unsigned(int, *tl)((int)(__builtin_constant_p((int32_t)(*tl)) ? (((__uint32_t)(
(__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*tl
))) & 0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(
(int32_t)(*tl))) & 0xffff)) << 8 | ((__uint16_t)(((
__uint32_t)((int32_t)(*tl))) & 0xffff)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) & 0xffff))) << 16) |
((__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*
tl))) >> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)
((int32_t)(*tl))) >> 16)) << 8 | ((__uint16_t)(((
__uint32_t)((int32_t)(*tl))) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) >> 16)))) : __bswap32_var
((int32_t)(*tl))))==NFSV4SATTRTIME_TOCLIENT1) {
2861 NFSM_DISSECT(tl, u_int32_t *, NFSX_V4TIME)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (((2 * 4) + 4))); if
((tl) == ((void *)0)) { error = 72; goto nfsmout; } } while (
0);
2862 fxdr_nfsv4time(tl, &nvap->na_mtime)do { (&nvap->na_vattr.va_mtime)->tv_sec = (__builtin_constant_p
(((struct nfsv4_time *)(tl))->nfsv4_sec) ? (((__uint32_t)(
(__uint16_t)(__builtin_constant_p(((__uint32_t)(((struct nfsv4_time
*)(tl))->nfsv4_sec)) & 0xffff) ? (__uint16_t)(((__uint16_t
)(((__uint32_t)(((struct nfsv4_time *)(tl))->nfsv4_sec)) &
0xffff)) << 8 | ((__uint16_t)(((__uint32_t)(((struct nfsv4_time
*)(tl))->nfsv4_sec)) & 0xffff)) >> 8) : __bswap16_var
(((__uint32_t)(((struct nfsv4_time *)(tl))->nfsv4_sec)) &
0xffff))) << 16) | ((__uint16_t)(__builtin_constant_p(
((__uint32_t)(((struct nfsv4_time *)(tl))->nfsv4_sec)) >>
16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(((struct nfsv4_time
*)(tl))->nfsv4_sec)) >> 16)) << 8 | ((__uint16_t
)(((__uint32_t)(((struct nfsv4_time *)(tl))->nfsv4_sec)) >>
16)) >> 8) : __bswap16_var(((__uint32_t)(((struct nfsv4_time
*)(tl))->nfsv4_sec)) >> 16)))) : __bswap32_var(((struct
nfsv4_time *)(tl))->nfsv4_sec)); (&nvap->na_vattr.
va_mtime)->tv_nsec = ((__builtin_constant_p(((struct nfsv4_time
*)(tl))->nfsv4_nsec) ? (((__uint32_t)((__uint16_t)(__builtin_constant_p
(((__uint32_t)(((struct nfsv4_time *)(tl))->nfsv4_nsec)) &
0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(((struct nfsv4_time
*)(tl))->nfsv4_nsec)) & 0xffff)) << 8 | ((__uint16_t
)(((__uint32_t)(((struct nfsv4_time *)(tl))->nfsv4_nsec)) &
0xffff)) >> 8) : __bswap16_var(((__uint32_t)(((struct nfsv4_time
*)(tl))->nfsv4_nsec)) & 0xffff))) << 16) | ((__uint16_t
)(__builtin_constant_p(((__uint32_t)(((struct nfsv4_time *)(tl
))->nfsv4_nsec)) >> 16) ? (__uint16_t)(((__uint16_t)
(((__uint32_t)(((struct nfsv4_time *)(tl))->nfsv4_nsec)) >>
16)) << 8 | ((__uint16_t)(((__uint32_t)(((struct nfsv4_time
*)(tl))->nfsv4_nsec)) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)(((struct nfsv4_time *)(tl))->nfsv4_nsec)) >>
16)))) : __bswap32_var(((struct nfsv4_time *)(tl))->nfsv4_nsec
)) % 1000000000); } while (0);
2863 nvap->na_vaflagsna_vattr.va_vaflags &= ~VA_UTIMES_NULL0x01;
2864 attrsum += NFSX_V4TIME((2 * 4) + 4);
2865 } else {
2866 vfs_timestamp(&nvap->na_mtimena_vattr.va_mtime);
2867 if (!toclient)
2868 nvap->na_vaflagsna_vattr.va_vaflags |= VA_UTIMES_NULL0x01;
2869 }
2870 break;
2871 default:
2872 nd->nd_repstat = NFSERR_ATTRNOTSUPP10032;
2873 /*
2874 * set bitpos so we drop out of the loop.
2875 */
2876 bitpos = NFSATTRBIT_MAX77;
2877 break;
2878 }
2879 }
2880
2881 /*
2882 * some clients pad the attrlist, so we need to skip over the
2883 * padding.
2884 */
2885 if (attrsum > attrsize) {
2886 error = NFSERR_BADXDR10036;
2887 } else {
2888 attrsize = NFSM_RNDUP(attrsize)(((attrsize)+3)&(~0x3));
2889 if (attrsum < attrsize)
2890 error = nfsm_advance(nd, attrsize - attrsum, -1);
2891 }
2892nfsmout:
2893 NFSEXITCODE2(error, nd);
2894 return (error);
2895}
2896
2897/*
2898 * Check/setup export credentials.
2899 */
2900int
2901nfsd_excred(struct nfsrv_descript *nd, struct nfsexstuff *exp,
2902 struct ucred *credanon)
2903{
2904 int error = 0;
2905
2906 /*
2907 * Check/setup credentials.
2908 */
2909 if (nd->nd_flag & ND_GSS(0x00000020))
2910 exp->nes_exflag &= ~MNT_EXPORTANON0x0000000000000400ULL;
2911
2912 /*
2913 * Check to see if the operation is allowed for this security flavor.
2914 * RFC2623 suggests that the NFSv3 Fsinfo RPC be allowed to
2915 * AUTH_NONE or AUTH_SYS for file systems requiring RPCSEC_GSS.
2916 * Also, allow Secinfo, so that it can acquire the correct flavor(s).
2917 */
2918 if (nfsvno_testexp(nd, exp) &&
2919 nd->nd_procnum != NFSV4OP_SECINFO33 &&
2920 nd->nd_procnum != NFSPROC_FSINFO19) {
2921 if (nd->nd_flag & ND_NFSV40x00000010)
2922 error = NFSERR_WRONGSEC10016;
2923 else
2924 error = (NFSERR_AUTHERR0x80000000 | AUTH_TOOWEAK5);
2925 goto out;
2926 }
2927
2928 /*
2929 * Check to see if the file system is exported V4 only.
2930 */
2931 if (NFSVNO_EXV4ONLY(exp)((exp)->nes_exflag & 0x0) && !(nd->nd_flag & ND_NFSV40x00000010)) {
2932 error = NFSERR_PROGNOTV4(0x40000000 | 0xffff);
2933 goto out;
2934 }
2935
2936 /*
2937 * Now, map the user credentials.
2938 * (Note that ND_AUTHNONE will only be set for an NFSv3
2939 * Fsinfo RPC. If set for anything else, this code might need
2940 * to change.)
2941 */
2942 if (NFSVNO_EXPORTED(exp)((exp)->nes_exflag & 0x0000000000000100ULL)) {
2943 if (((nd->nd_flag & ND_GSS(0x00000020)) == 0 && nd->nd_cred->cr_uid == 0) ||
2944 NFSVNO_EXPORTANON(exp)((exp)->nes_exflag & 0x0000000000000400ULL) ||
2945 (nd->nd_flag & ND_AUTHNONE0x00040000) != 0) {
2946 nd->nd_cred->cr_uid = credanon->cr_uid;
2947 nd->nd_cred->cr_gidcr_groups[0] = credanon->cr_gidcr_groups[0];
2948 crsetgroups(nd->nd_cred, credanon->cr_ngroups,
2949 credanon->cr_groups);
2950 } else if ((nd->nd_flag & ND_GSS(0x00000020)) == 0) {
2951 /*
2952 * If using AUTH_SYS, call nfsrv_getgrpscred() to see
2953 * if there is a replacement credential with a group
2954 * list set up by "nfsuserd -manage-gids".
2955 * If there is no replacement, nfsrv_getgrpscred()
2956 * simply returns its argument.
2957 */
2958 nd->nd_cred = nfsrv_getgrpscred(nd->nd_cred);
2959 }
2960 }
2961
2962out:
2963 NFSEXITCODE2(error, nd);
2964 return (error);
2965}
2966
2967/*
2968 * Check exports.
2969 */
2970int
2971nfsvno_checkexp(struct mount *mp, struct sockaddr *nam, struct nfsexstuff *exp,
2972 struct ucred **credp)
2973{
2974 int i, error, *secflavors;
2975
2976 error = VFS_CHECKEXP(mp, nam, &exp->nes_exflag, credp,({ int _rc; _rc = (*(mp)->mnt_op->vfs_checkexp)(mp, nam
, &exp->nes_exflag, credp, &exp->nes_numsecflavor
, &secflavors); _rc; })
2977 &exp->nes_numsecflavor, &secflavors)({ int _rc; _rc = (*(mp)->mnt_op->vfs_checkexp)(mp, nam
, &exp->nes_exflag, credp, &exp->nes_numsecflavor
, &secflavors); _rc; });
2978 if (error) {
2979 if (nfs_rootfhset) {
2980 exp->nes_exflag = 0;
2981 exp->nes_numsecflavor = 0;
2982 error = 0;
2983 }
2984 } else {
2985 /* Copy the security flavors. */
2986 for (i = 0; i < exp->nes_numsecflavor; i++)
2987 exp->nes_secflavors[i] = secflavors[i];
2988 }
2989 NFSEXITCODE(error);
2990 return (error);
2991}
2992
2993/*
2994 * Get a vnode for a file handle and export stuff.
2995 */
2996int
2997nfsvno_fhtovp(struct mount *mp, fhandle_t *fhp, struct sockaddr *nam,
2998 int lktype, struct vnode **vpp, struct nfsexstuff *exp,
2999 struct ucred **credp)
3000{
3001 int i, error, *secflavors;
3002
3003 *credp = NULL((void *)0);
3004 exp->nes_numsecflavor = 0;
3005 error = VFS_FHTOVP(mp, &fhp->fh_fid, lktype, vpp)({ int _rc; _rc = (*(mp)->mnt_op->vfs_fhtovp)(mp, &
fhp->fh_fid, lktype, vpp); _rc; });
3006 if (error != 0)
3007 /* Make sure the server replies ESTALE to the client. */
3008 error = ESTALE70;
3009 if (nam && !error) {
3010 error = VFS_CHECKEXP(mp, nam, &exp->nes_exflag, credp,({ int _rc; _rc = (*(mp)->mnt_op->vfs_checkexp)(mp, nam
, &exp->nes_exflag, credp, &exp->nes_numsecflavor
, &secflavors); _rc; })
3011 &exp->nes_numsecflavor, &secflavors)({ int _rc; _rc = (*(mp)->mnt_op->vfs_checkexp)(mp, nam
, &exp->nes_exflag, credp, &exp->nes_numsecflavor
, &secflavors); _rc; });
3012 if (error) {
3013 if (nfs_rootfhset) {
3014 exp->nes_exflag = 0;
3015 exp->nes_numsecflavor = 0;
3016 error = 0;
3017 } else {
3018 vput(*vpp);
3019 }
3020 } else {
3021 /* Copy the security flavors. */
3022 for (i = 0; i < exp->nes_numsecflavor; i++)
3023 exp->nes_secflavors[i] = secflavors[i];
3024 }
3025 }
3026 NFSEXITCODE(error);
3027 return (error);
3028}
3029
3030/*
3031 * nfsd_fhtovp() - convert a fh to a vnode ptr
3032 * - look up fsid in mount list (if not found ret error)
3033 * - get vp and export rights by calling nfsvno_fhtovp()
3034 * - if cred->cr_uid == 0 or MNT_EXPORTANON set it to credanon
3035 * for AUTH_SYS
3036 * - if mpp != NULL, return the mount point so that it can
3037 * be used for vn_finished_write() by the caller
3038 */
3039void
3040nfsd_fhtovp(struct nfsrv_descript *nd, struct nfsrvfh *nfp, int lktype,
3041 struct vnode **vpp, struct nfsexstuff *exp,
3042 struct mount **mpp, int startwrite, struct thread *p)
3043{
3044 struct mount *mp;
3045 struct ucred *credanon;
3046 fhandle_t *fhp;
3047
3048 fhp = (fhandle_t *)nfp->nfsrvfh_data;
3049 /*
3050 * Check for the special case of the nfsv4root_fh.
3051 */
3052 mp = vfs_busyfs(&fhp->fh_fsid);
3053 if (mpp != NULL((void *)0))
3054 *mpp = mp;
3055 if (mp == NULL((void *)0)) {
3056 *vpp = NULL((void *)0);
3057 nd->nd_repstat = ESTALE70;
3058 goto out;
3059 }
3060
3061 if (startwrite) {
3062 vn_start_write(NULL((void *)0), mpp, V_WAIT0x0001);
3063 if (lktype == LK_SHARED0x200000 && !(MNT_SHARED_WRITES(mp)))
3064 lktype = LK_EXCLUSIVE0x080000;
3065 }
3066 nd->nd_repstat = nfsvno_fhtovp(mp, fhp, nd->nd_nam, lktype, vpp, exp,
3067 &credanon);
3068 vfs_unbusy(mp);
3069
3070 /*
3071 * For NFSv4 without a pseudo root fs, unexported file handles
3072 * can be returned, so that Lookup works everywhere.
3073 */
3074 if (!nd->nd_repstat && exp->nes_exflag == 0 &&
3075 !(nd->nd_flag & ND_NFSV40x00000010)) {
3076 vput(*vpp);
3077 nd->nd_repstat = EACCES13;
3078 }
3079
3080 /*
3081 * Personally, I've never seen any point in requiring a
3082 * reserved port#, since only in the rare case where the
3083 * clients are all boxes with secure system privileges,
3084 * does it provide any enhanced security, but... some people
3085 * believe it to be useful and keep putting this code back in.
3086 * (There is also some "security checker" out there that
3087 * complains if the nfs server doesn't enforce this.)
3088 * However, note the following:
3089 * RFC3530 (NFSv4) specifies that a reserved port# not be
3090 * required.
3091 * RFC2623 recommends that, if a reserved port# is checked for,
3092 * that there be a way to turn that off--> ifdef'd.
3093 */
3094#ifdef NFS_REQRSVPORT
3095 if (!nd->nd_repstat) {
3096 struct sockaddr_in *saddr;
3097 struct sockaddr_in6 *saddr6;
3098
3099 saddr = NFSSOCKADDR(nd->nd_nam, struct sockaddr_in *)((struct sockaddr_in *)(nd->nd_nam));
3100 saddr6 = NFSSOCKADDR(nd->nd_nam, struct sockaddr_in6 *)((struct sockaddr_in6 *)(nd->nd_nam));
3101 if (!(nd->nd_flag & ND_NFSV40x00000010) &&
3102 ((saddr->sin_family == AF_INET2 &&
3103 ntohs(saddr->sin_port)((__uint16_t)(__builtin_constant_p(saddr->sin_port) ? (__uint16_t
)(((__uint16_t)(saddr->sin_port)) << 8 | ((__uint16_t
)(saddr->sin_port)) >> 8) : __bswap16_var(saddr->
sin_port))) >= IPPORT_RESERVED1024) ||
3104 (saddr6->sin6_family == AF_INET628 &&
3105 ntohs(saddr6->sin6_port)((__uint16_t)(__builtin_constant_p(saddr6->sin6_port) ? (__uint16_t
)(((__uint16_t)(saddr6->sin6_port)) << 8 | ((__uint16_t
)(saddr6->sin6_port)) >> 8) : __bswap16_var(saddr6->
sin6_port))) >= IPPORT_RESERVED1024))) {
3106 vput(*vpp);
3107 nd->nd_repstat = (NFSERR_AUTHERR0x80000000 | AUTH_TOOWEAK5);
3108 }
3109 }
3110#endif /* NFS_REQRSVPORT */
3111
3112 /*
3113 * Check/setup credentials.
3114 */
3115 if (!nd->nd_repstat) {
3116 nd->nd_saveduid = nd->nd_cred->cr_uid;
3117 nd->nd_repstat = nfsd_excred(nd, exp, credanon);
3118 if (nd->nd_repstat)
3119 vput(*vpp);
3120 }
3121 if (credanon != NULL((void *)0))
3122 crfree(credanon);
3123 if (nd->nd_repstat) {
3124 if (startwrite)
3125 vn_finished_write(mp);
3126 *vpp = NULL((void *)0);
3127 if (mpp != NULL((void *)0))
3128 *mpp = NULL((void *)0);
3129 }
3130
3131out:
3132 NFSEXITCODE2(0, nd);
3133}
3134
3135/*
3136 * glue for fp.
3137 */
3138static int
3139fp_getfvp(struct thread *p, int fd, struct file **fpp, struct vnode **vpp)
3140{
3141 struct filedesc *fdp;
3142 struct file *fp;
3143 int error = 0;
3144
3145 fdp = p->td_proc->p_fd;
3146 if (fd < 0 || fd >= fdp->fd_nfilesfd_files->fdt_nfiles ||
3147 (fp = fdp->fd_ofilesfd_files->fdt_ofiles[fd].fde_file) == NULL((void *)0)) {
3148 error = EBADF9;
3149 goto out;
3150 }
3151 *fpp = fp;
3152
3153out:
3154 NFSEXITCODE(error);
3155 return (error);
3156}
3157
3158/*
3159 * Called from nfssvc() to update the exports list. Just call
3160 * vfs_export(). This has to be done, since the v4 root fake fs isn't
3161 * in the mount list.
3162 */
3163int
3164nfsrv_v4rootexport(void *argp, struct ucred *cred, struct thread *p)
3165{
3166 struct nfsex_args *nfsexargp = (struct nfsex_args *)argp;
3167 int error = 0;
3168 struct nameidata nd;
3169 fhandle_t fh;
3170
3171 error = vfs_export(&nfsv4root_mnt, &nfsexargp->export);
3172 if ((nfsexargp->export.ex_flags & MNT_DELEXPORT0x0000000000020000ULL) != 0)
3173 nfs_rootfhset = 0;
3174 else if (error == 0) {
3175 if (nfsexargp->fspec == NULL((void *)0)) {
3176 error = EPERM1;
3177 goto out;
3178 }
3179 /*
3180 * If fspec != NULL, this is the v4root path.
3181 */
3182 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE,NDINIT_ALL(&nd, 0, 0x0040, UIO_USERSPACE, nfsexargp->fspec
, -100, ((void *)0), 0, p)
3183 nfsexargp->fspec, p)NDINIT_ALL(&nd, 0, 0x0040, UIO_USERSPACE, nfsexargp->fspec
, -100, ((void *)0), 0, p);
3184 if ((error = namei(&nd)) != 0)
3185 goto out;
3186 error = nfsvno_getfh(nd.ni_vp, &fh, p);
3187 vrele(nd.ni_vp);
3188 if (!error) {
3189 nfs_rootfh.nfsrvfh_len = NFSX_MYFH(sizeof (fhandle_t));
3190 NFSBCOPY((caddr_t)&fh,__builtin_memmove(((nfs_rootfh.nfsrvfh_data)), (((caddr_t)&
fh)), ((sizeof (fhandle_t))))
3191 nfs_rootfh.nfsrvfh_data,__builtin_memmove(((nfs_rootfh.nfsrvfh_data)), (((caddr_t)&
fh)), ((sizeof (fhandle_t))))
3192 sizeof (fhandle_t))__builtin_memmove(((nfs_rootfh.nfsrvfh_data)), (((caddr_t)&
fh)), ((sizeof (fhandle_t))));
3193 nfs_rootfhset = 1;
3194 }
3195 }
3196
3197out:
3198 NFSEXITCODE(error);
3199 return (error);
3200}
3201
3202/*
3203 * This function needs to test to see if the system is near its limit
3204 * for memory allocation via malloc() or mget() and return True iff
3205 * either of these resources are near their limit.
3206 * XXX (For now, this is just a stub.)
3207 */
3208int nfsrv_testmalloclimit = 0;
3209int
3210nfsrv_mallocmget_limit(void)
3211{
3212 static int printmesg = 0;
3213 static int testval = 1;
3214
3215 if (nfsrv_testmalloclimit && (testval++ % 1000) == 0) {
3216 if ((printmesg++ % 100) == 0)
3217 printf("nfsd: malloc/mget near limit\n");
3218 return (1);
3219 }
3220 return (0);
3221}
3222
3223/*
3224 * BSD specific initialization of a mount point.
3225 */
3226void
3227nfsd_mntinit(void)
3228{
3229 static int inited = 0;
3230
3231 if (inited)
3232 return;
3233 inited = 1;
3234 nfsv4root_mnt.mnt_flag = (MNT_RDONLY0x0000000000000001ULL | MNT_EXPORTED0x0000000000000100ULL);
3235 TAILQ_INIT(&nfsv4root_mnt.mnt_nvnodelist)do { (((&nfsv4root_mnt.mnt_nvnodelist))->tqh_first) = (
(void *)0); (&nfsv4root_mnt.mnt_nvnodelist)->tqh_last =
&(((&nfsv4root_mnt.mnt_nvnodelist))->tqh_first); ;
} while (0);
3236 TAILQ_INIT(&nfsv4root_mnt.mnt_activevnodelist)do { (((&nfsv4root_mnt.mnt_activevnodelist))->tqh_first
) = ((void *)0); (&nfsv4root_mnt.mnt_activevnodelist)->
tqh_last = &(((&nfsv4root_mnt.mnt_activevnodelist))->
tqh_first); ; } while (0);
3237 nfsv4root_mnt.mnt_export = NULL((void *)0);
3238 TAILQ_INIT(&nfsv4root_opt)do { (((&nfsv4root_opt))->tqh_first) = ((void *)0); (&
nfsv4root_opt)->tqh_last = &(((&nfsv4root_opt))->
tqh_first); ; } while (0);
3239 TAILQ_INIT(&nfsv4root_newopt)do { (((&nfsv4root_newopt))->tqh_first) = ((void *)0);
(&nfsv4root_newopt)->tqh_last = &(((&nfsv4root_newopt
))->tqh_first); ; } while (0);
3240 nfsv4root_mnt.mnt_opt = &nfsv4root_opt;
3241 nfsv4root_mnt.mnt_optnew = &nfsv4root_newopt;
3242 nfsv4root_mnt.mnt_nvnodelistsize = 0;
3243 nfsv4root_mnt.mnt_activevnodelistsize = 0;
3244}
3245
3246/*
3247 * Get a vnode for a file handle, without checking exports, etc.
3248 */
3249struct vnode *
3250nfsvno_getvp(fhandle_t *fhp)
3251{
3252 struct mount *mp;
3253 struct vnode *vp;
3254 int error;
3255
3256 mp = vfs_busyfs(&fhp->fh_fsid);
3257 if (mp == NULL((void *)0))
3258 return (NULL((void *)0));
3259 error = VFS_FHTOVP(mp, &fhp->fh_fid, LK_EXCLUSIVE, &vp)({ int _rc; _rc = (*(mp)->mnt_op->vfs_fhtovp)(mp, &
fhp->fh_fid, 0x080000, &vp); _rc; });
3260 vfs_unbusy(mp);
3261 if (error)
3262 return (NULL((void *)0));
3263 return (vp);
3264}
3265
3266/*
3267 * Do a local VOP_ADVLOCK().
3268 */
3269int
3270nfsvno_advlock(struct vnode *vp, int ftype, u_int64_t first,
3271 u_int64_t end, struct thread *td)
3272{
3273 int error = 0;
3274 struct flock fl;
3275 u_int64_t tlen;
3276
3277 if (nfsrv_dolocallocks == 0)
3278 goto out;
3279 ASSERT_VOP_UNLOCKED(vp, "nfsvno_advlock: vp locked")((void)0);
3280
3281 fl.l_whence = SEEK_SET0;
3282 fl.l_type = ftype;
3283 fl.l_start = (off_t)first;
3284 if (end == NFS64BITSSET0xffffffffffffffffull) {
3285 fl.l_len = 0;
3286 } else {
3287 tlen = end - first;
3288 fl.l_len = (off_t)tlen;
3289 }
3290 /*
3291 * For FreeBSD8, the l_pid and l_sysid must be set to the same
3292 * values for all calls, so that all locks will be held by the
3293 * nfsd server. (The nfsd server handles conflicts between the
3294 * various clients.)
3295 * Since an NFSv4 lockowner is a ClientID plus an array of up to 1024
3296 * bytes, so it can't be put in l_sysid.
3297 */
3298 if (nfsv4_sysid == 0)
3299 nfsv4_sysid = nlm_acquire_next_sysid();
3300 fl.l_pid = (pid_t)0;
3301 fl.l_sysid = (int)nfsv4_sysid;
3302
3303 if (ftype == F_UNLCK2)
3304 error = VOP_ADVLOCK(vp, (caddr_t)td->td_proc, F_UNLCK2, &fl,
3305 (F_POSIX0x040 | F_REMOTE0x080));
3306 else
3307 error = VOP_ADVLOCK(vp, (caddr_t)td->td_proc, F_SETLK12, &fl,
3308 (F_POSIX0x040 | F_REMOTE0x080));
3309
3310out:
3311 NFSEXITCODE(error);
3312 return (error);
3313}
3314
3315/*
3316 * Check the nfsv4 root exports.
3317 */
3318int
3319nfsvno_v4rootexport(struct nfsrv_descript *nd)
3320{
3321 struct ucred *credanon;
3322 int exflags, error = 0, numsecflavor, *secflavors, i;
3323
3324 error = vfs_stdcheckexp(&nfsv4root_mnt, nd->nd_nam, &exflags,
3325 &credanon, &numsecflavor, &secflavors);
3326 if (error) {
3327 error = NFSERR_PROGUNAVAIL(0x40000000 | 1);
3328 goto out;
3329 }
3330 if (credanon != NULL((void *)0))
3331 crfree(credanon);
3332 for (i = 0; i < numsecflavor; i++) {
3333 if (secflavors[i] == AUTH_SYS1)
3334 nd->nd_flag |= ND_EXAUTHSYS0x00080000;
3335 else if (secflavors[i] == RPCSEC_GSS_KRB5390003)
3336 nd->nd_flag |= ND_EXGSS0x00100000;
3337 else if (secflavors[i] == RPCSEC_GSS_KRB5I390004)
3338 nd->nd_flag |= ND_EXGSSINTEGRITY0x00200000;
3339 else if (secflavors[i] == RPCSEC_GSS_KRB5P390005)
3340 nd->nd_flag |= ND_EXGSSPRIVACY0x00400000;
3341 }
3342
3343out:
3344 NFSEXITCODE(error);
3345 return (error);
3346}
3347
3348/*
3349 * Nfs server pseudo system call for the nfsd's
3350 */
3351/*
3352 * MPSAFE
3353 */
3354static int
3355nfssvc_nfsd(struct thread *td, struct nfssvc_args *uap)
3356{
3357 struct file *fp;
3358 struct nfsd_addsock_args sockarg;
3359 struct nfsd_nfsd_args nfsdarg;
3360 struct nfsd_nfsd_oargs onfsdarg;
3361 struct nfsd_pnfsd_args pnfsdarg;
3362 struct vnode *vp, *nvp, *curdvp;
3363 struct pnfsdsfile *pf;
3364 struct nfsdevice *ds, *fds;
3365 cap_rights_t rights;
3366 int buflen, error, ret;
3367 char *buf, *cp, *cp2, *cp3;
3368 char fname[PNFS_FILENAME_LEN(2 * sizeof(fhandle_t)) + 1];
3369
3370 if (uap->flag & NFSSVC_NFSDADDSOCK0x00000100) {
1
Assuming the condition is false
→
2
←
Taking false branch
→
3371 error = copyin(uap->argp, (caddr_t)&sockarg, sizeof (sockarg));
3372 if (error)
3373 goto out;
3374 /*
3375 * Since we don't know what rights might be required,
3376 * pretend that we need them all. It is better to be too
3377 * careful than too reckless.
3378 */
3379 error = fget(td, sockarg.sock,
3380 cap_rights_init(&rights, CAP_SOCK_SERVER)__cap_rights_init(0, &rights, (((1ULL << (57 + (0))
) | (0x0000000020000000ULL)) | ((1ULL << (57 + (0))) | (
0x0000000040000000ULL)) | ((1ULL << (57 + (0))) | (0x0000000100000000ULL
)) | ((1ULL << (57 + (0))) | (0x0000000200000000ULL)) |
((1ULL << (57 + (0))) | (0x0000000400000000ULL)) | ((1ULL
<< (57 + (0))) | (0x0000000800000000ULL)) | ((1ULL <<
(57 + (0))) | (0x0000001000000000ULL)) | ((1ULL << (57
+ (0))) | (0x0000000000000001ULL)) | ((1ULL << (57 + (
0))) | (0x0000000000000002ULL)) | ((1ULL << (57 + (0)))
| (0x0000002000000000ULL)) | ((1ULL << (57 + (0))) | (
0x0000004000000000ULL))), 0ULL), &fp);
3381 if (error != 0)
3382 goto out;
3383 if (fp->f_type != DTYPE_SOCKET2) {
3384 fdrop(fp, td)(refcount_release(&(fp)->f_count) ? _fdrop((fp), (td))
: _fnoop());
3385 error = EPERM1;
3386 goto out;
3387 }
3388 error = nfsrvd_addsock(fp);
3389 fdrop(fp, td)(refcount_release(&(fp)->f_count) ? _fdrop((fp), (td))
: _fnoop());
3390 } else if (uap->flag & NFSSVC_NFSDNFSD0x00000080) {
3
←
Assuming the condition is false
→
4
←
Taking false branch
→
3391 if (uap->argp == NULL((void *)0)) {
3392 error = EINVAL22;
3393 goto out;
3394 }
3395 if ((uap->flag & NFSSVC_NEWSTRUCT0x20000000) == 0) {
3396 error = copyin(uap->argp, &onfsdarg, sizeof(onfsdarg));
3397 if (error == 0) {
3398 nfsdarg.principal = onfsdarg.principal;
3399 nfsdarg.minthreads = onfsdarg.minthreads;
3400 nfsdarg.maxthreads = onfsdarg.maxthreads;
3401 nfsdarg.version = 1;
3402 nfsdarg.addr = NULL((void *)0);
3403 nfsdarg.addrlen = 0;
3404 nfsdarg.dnshost = NULL((void *)0);
3405 nfsdarg.dnshostlen = 0;
3406 nfsdarg.dspath = NULL((void *)0);
3407 nfsdarg.dspathlen = 0;
3408 nfsdarg.mdspath = NULL((void *)0);
3409 nfsdarg.mdspathlen = 0;
3410 nfsdarg.mirrorcnt = 1;
3411 }
3412 } else
3413 error = copyin(uap->argp, &nfsdarg, sizeof(nfsdarg));
3414 if (error)
3415 goto out;
3416 if (nfsdarg.addrlen > 0 && nfsdarg.addrlen < 10000 &&
3417 nfsdarg.dnshostlen > 0 && nfsdarg.dnshostlen < 10000 &&
3418 nfsdarg.dspathlen > 0 && nfsdarg.dspathlen < 10000 &&
3419 nfsdarg.mdspathlen > 0 && nfsdarg.mdspathlen < 10000 &&
3420 nfsdarg.mirrorcnt >= 1 &&
3421 nfsdarg.mirrorcnt <= NFSDEV_MAXMIRRORS4 &&
3422 nfsdarg.addr != NULL((void *)0) && nfsdarg.dnshost != NULL((void *)0) &&
3423 nfsdarg.dspath != NULL((void *)0) && nfsdarg.mdspath != NULL((void *)0)) {
3424 NFSD_DEBUG(1, "addrlen=%d dspathlen=%d dnslen=%d"do { if (nfsd_debuglevel >= (1)) printf("addrlen=%d dspathlen=%d dnslen=%d"
" mdspathlen=%d mirrorcnt=%d\n", nfsdarg.addrlen, nfsdarg.dspathlen
, nfsdarg.dnshostlen, nfsdarg.mdspathlen, nfsdarg.mirrorcnt);
} while (0)
3425 " mdspathlen=%d mirrorcnt=%d\n", nfsdarg.addrlen,do { if (nfsd_debuglevel >= (1)) printf("addrlen=%d dspathlen=%d dnslen=%d"
" mdspathlen=%d mirrorcnt=%d\n", nfsdarg.addrlen, nfsdarg.dspathlen
, nfsdarg.dnshostlen, nfsdarg.mdspathlen, nfsdarg.mirrorcnt);
} while (0)
3426 nfsdarg.dspathlen, nfsdarg.dnshostlen,do { if (nfsd_debuglevel >= (1)) printf("addrlen=%d dspathlen=%d dnslen=%d"
" mdspathlen=%d mirrorcnt=%d\n", nfsdarg.addrlen, nfsdarg.dspathlen
, nfsdarg.dnshostlen, nfsdarg.mdspathlen, nfsdarg.mirrorcnt);
} while (0)
3427 nfsdarg.mdspathlen, nfsdarg.mirrorcnt)do { if (nfsd_debuglevel >= (1)) printf("addrlen=%d dspathlen=%d dnslen=%d"
" mdspathlen=%d mirrorcnt=%d\n", nfsdarg.addrlen, nfsdarg.dspathlen
, nfsdarg.dnshostlen, nfsdarg.mdspathlen, nfsdarg.mirrorcnt);
} while (0);
3428 cp = malloc(nfsdarg.addrlen + 1, M_TEMP, M_WAITOK0x0002);
3429 error = copyin(nfsdarg.addr, cp, nfsdarg.addrlen);
3430 if (error != 0) {
3431 free(cp, M_TEMP);
3432 goto out;
3433 }
3434 cp[nfsdarg.addrlen] = '\0'; /* Ensure nul term. */
3435 nfsdarg.addr = cp;
3436 cp = malloc(nfsdarg.dnshostlen + 1, M_TEMP, M_WAITOK0x0002);
3437 error = copyin(nfsdarg.dnshost, cp, nfsdarg.dnshostlen);
3438 if (error != 0) {
3439 free(nfsdarg.addr, M_TEMP);
3440 free(cp, M_TEMP);
3441 goto out;
3442 }
3443 cp[nfsdarg.dnshostlen] = '\0'; /* Ensure nul term. */
3444 nfsdarg.dnshost = cp;
3445 cp = malloc(nfsdarg.dspathlen + 1, M_TEMP, M_WAITOK0x0002);
3446 error = copyin(nfsdarg.dspath, cp, nfsdarg.dspathlen);
3447 if (error != 0) {
3448 free(nfsdarg.addr, M_TEMP);
3449 free(nfsdarg.dnshost, M_TEMP);
3450 free(cp, M_TEMP);
3451 goto out;
3452 }
3453 cp[nfsdarg.dspathlen] = '\0'; /* Ensure nul term. */
3454 nfsdarg.dspath = cp;
3455 cp = malloc(nfsdarg.mdspathlen + 1, M_TEMP, M_WAITOK0x0002);
3456 error = copyin(nfsdarg.mdspath, cp, nfsdarg.mdspathlen);
3457 if (error != 0) {
3458 free(nfsdarg.addr, M_TEMP);
3459 free(nfsdarg.dnshost, M_TEMP);
3460 free(nfsdarg.dspath, M_TEMP);
3461 free(cp, M_TEMP);
3462 goto out;
3463 }
3464 cp[nfsdarg.mdspathlen] = '\0'; /* Ensure nul term. */
3465 nfsdarg.mdspath = cp;
3466 } else {
3467 nfsdarg.addr = NULL((void *)0);
3468 nfsdarg.addrlen = 0;
3469 nfsdarg.dnshost = NULL((void *)0);
3470 nfsdarg.dnshostlen = 0;
3471 nfsdarg.dspath = NULL((void *)0);
3472 nfsdarg.dspathlen = 0;
3473 nfsdarg.mdspath = NULL((void *)0);
3474 nfsdarg.mdspathlen = 0;
3475 nfsdarg.mirrorcnt = 1;
3476 }
3477 error = nfsrvd_nfsd(td, &nfsdarg);
3478 free(nfsdarg.addr, M_TEMP);
3479 free(nfsdarg.dnshost, M_TEMP);
3480 free(nfsdarg.dspath, M_TEMP);
3481 free(nfsdarg.mdspath, M_TEMP);
3482 } else if (uap->flag & NFSSVC_PNFSDS0x80000000) {
5
←
Assuming the condition is false
→
6
←
Taking false branch
→
3483 error = copyin(uap->argp, &pnfsdarg, sizeof(pnfsdarg));
3484 if (error == 0 && (pnfsdarg.op == PNFSDOP_DELDSSERVER1 ||
3485 pnfsdarg.op == PNFSDOP_FORCEDELDS3)) {
3486 cp = malloc(PATH_MAX1024 + 1, M_TEMP, M_WAITOK0x0002);
3487 error = copyinstr(pnfsdarg.dspath, cp, PATH_MAX1024 + 1,
3488 NULL((void *)0));
3489 if (error == 0)
3490 error = nfsrv_deldsserver(pnfsdarg.op, cp, td);
3491 free(cp, M_TEMP);
3492 } else if (error == 0 && pnfsdarg.op == PNFSDOP_COPYMR2) {
3493 cp = malloc(PATH_MAX1024 + 1, M_TEMP, M_WAITOK0x0002);
3494 buflen = sizeof(*pf) * NFSDEV_MAXMIRRORS4;
3495 buf = malloc(buflen, M_TEMP, M_WAITOK0x0002);
3496 error = copyinstr(pnfsdarg.mdspath, cp, PATH_MAX1024 + 1,
3497 NULL((void *)0));
3498 NFSD_DEBUG(4, "pnfsdcopymr cp mdspath=%d\n", error)do { if (nfsd_debuglevel >= (4)) printf("pnfsdcopymr cp mdspath=%d\n"
, error); } while (0);
3499 if (error == 0 && pnfsdarg.dspath != NULL((void *)0)) {
3500 cp2 = malloc(PATH_MAX1024 + 1, M_TEMP, M_WAITOK0x0002);
3501 error = copyinstr(pnfsdarg.dspath, cp2,
3502 PATH_MAX1024 + 1, NULL((void *)0));
3503 NFSD_DEBUG(4, "pnfsdcopymr cp dspath=%d\n",do { if (nfsd_debuglevel >= (4)) printf("pnfsdcopymr cp dspath=%d\n"
, error); } while (0)
3504 error)do { if (nfsd_debuglevel >= (4)) printf("pnfsdcopymr cp dspath=%d\n"
, error); } while (0);
3505 } else
3506 cp2 = NULL((void *)0);
3507 if (error == 0 && pnfsdarg.curdspath != NULL((void *)0)) {
3508 cp3 = malloc(PATH_MAX1024 + 1, M_TEMP, M_WAITOK0x0002);
3509 error = copyinstr(pnfsdarg.curdspath, cp3,
3510 PATH_MAX1024 + 1, NULL((void *)0));
3511 NFSD_DEBUG(4, "pnfsdcopymr cp curdspath=%d\n",do { if (nfsd_debuglevel >= (4)) printf("pnfsdcopymr cp curdspath=%d\n"
, error); } while (0)
3512 error)do { if (nfsd_debuglevel >= (4)) printf("pnfsdcopymr cp curdspath=%d\n"
, error); } while (0);
3513 } else
3514 cp3 = NULL((void *)0);
3515 curdvp = NULL((void *)0);
3516 fds = NULL((void *)0);
3517 if (error == 0)
3518 error = nfsrv_mdscopymr(cp, cp2, cp3, buf,
3519 &buflen, fname, td, &vp, &nvp, &pf, &ds,
3520 &fds);
3521 NFSD_DEBUG(4, "nfsrv_mdscopymr=%d\n", error)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_mdscopymr=%d\n"
, error); } while (0);
3522 if (error == 0) {
3523 if (pf->dsf_dir >= nfsrv_dsdirsize) {
3524 printf("copymr: dsdir out of range\n");
3525 pf->dsf_dir = 0;
3526 }
3527 NFSD_DEBUG(4, "copymr: buflen=%d\n", buflen)do { if (nfsd_debuglevel >= (4)) printf("copymr: buflen=%d\n"
, buflen); } while (0);
3528 error = nfsrv_copymr(vp, nvp,
3529 ds->nfsdev_dsdir[pf->dsf_dir], ds, pf,
3530 (struct pnfsdsfile *)buf,
3531 buflen / sizeof(*pf), td->td_ucred, td);
3532 vput(vp);
3533 vput(nvp);
3534 if (fds != NULL((void *)0) && error == 0) {
3535 curdvp = fds->nfsdev_dsdir[pf->dsf_dir];
3536 ret = vn_lock(curdvp, LK_EXCLUSIVE)_vn_lock(curdvp, 0x080000, "/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
, 3536);
3537 if (ret == 0) {
3538 nfsrv_dsremove(curdvp, fname,
3539 td->td_ucred, td);
3540 NFSVOPUNLOCK(curdvp, 0)VOP_UNLOCK((curdvp), (0));
3541 }
3542 }
3543 NFSD_DEBUG(4, "nfsrv_copymr=%d\n", error)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_copymr=%d\n"
, error); } while (0);
3544 }
3545 free(cp, M_TEMP);
3546 free(cp2, M_TEMP);
3547 free(cp3, M_TEMP);
3548 free(buf, M_TEMP);
3549 }
3550 } else {
3551 error = nfssvc_srvcall(td, uap, td->td_ucred);
7
←
Calling 'nfssvc_srvcall'
→
3552 }
3553
3554out:
3555 NFSEXITCODE(error);
3556 return (error);
3557}
3558
3559static int
3560nfssvc_srvcall(struct thread *p, struct nfssvc_args *uap, struct ucred *cred)
3561{
3562 struct nfsex_args export;
3563 struct file *fp = NULL((void *)0);
3564 int stablefd, len;
3565 struct nfsd_clid adminrevoke;
3566 struct nfsd_dumplist dumplist;
3567 struct nfsd_dumpclients *dumpclients;
3568 struct nfsd_dumplocklist dumplocklist;
3569 struct nfsd_dumplocks *dumplocks;
3570 struct nameidata nd;
3571 vnode_t vp;
3572 int error = EINVAL22, igotlock;
3573 struct proc *procp;
3574 static int suspend_nfsd = 0;
3575
3576 if (uap->flag & NFSSVC_PUBLICFH0x00080000) {
8
←
Assuming the condition is false
→
9
←
Taking false branch
→
3577 NFSBZERO((caddr_t)&nfs_pubfh.nfsrvfh_data,__builtin_memset((((caddr_t)&nfs_pubfh.nfsrvfh_data)), 0,
((sizeof (fhandle_t))))
3578 sizeof (fhandle_t))__builtin_memset((((caddr_t)&nfs_pubfh.nfsrvfh_data)), 0,
((sizeof (fhandle_t))));
3579 error = copyin(uap->argp,
3580 &nfs_pubfh.nfsrvfh_data, sizeof (fhandle_t));
3581 if (!error)
3582 nfs_pubfhset = 1;
3583 } else if (uap->flag & NFSSVC_V4ROOTEXPORT0x00004000) {
10
←
Assuming the condition is false
→
11
←
Taking false branch
→
3584 error = copyin(uap->argp,(caddr_t)&export,
3585 sizeof (struct nfsex_args));
3586 if (!error)
3587 error = nfsrv_v4rootexport(&export, cred, p);
3588 } else if (uap->flag & NFSSVC_NOPUBLICFH0x00000020) {
12
←
Assuming the condition is false
→
13
←
Taking false branch
→
3589 nfs_pubfhset = 0;
3590 error = 0;
3591 } else if (uap->flag & NFSSVC_STABLERESTART0x00000040) {
14
←
Assuming the condition is false
→
15
←
Taking false branch
→
3592 error = copyin(uap->argp, (caddr_t)&stablefd,
3593 sizeof (int));
3594 if (!error)
3595 error = fp_getfvp(p, stablefd, &fp, &vp);
3596 if (!error && (NFSFPFLAG(fp)((fp)->f_flag) & (FREAD0x0001 | FWRITE0x0002)) != (FREAD0x0001 | FWRITE0x0002))
3597 error = EBADF9;
3598 if (!error && newnfs_numnfsd != 0)
3599 error = EPERM1;
3600 if (!error) {
3601 nfsrv_stablefirst.nsf_fp = fp;
3602 nfsrv_setupstable(p);
3603 }
3604 } else if (uap->flag & NFSSVC_ADMINREVOKE0x00008000) {
16
←
Assuming the condition is false
→
17
←
Taking false branch
→
3605 error = copyin(uap->argp, (caddr_t)&adminrevoke,
3606 sizeof (struct nfsd_clid));
3607 if (!error)
3608 error = nfsrv_adminrevoke(&adminrevoke, p);
3609 } else if (uap->flag & NFSSVC_DUMPCLIENTS0x00010000) {
18
←
Assuming the condition is true
→
19
←
Taking true branch
→
3610 error = copyin(uap->argp, (caddr_t)&dumplist,
3611 sizeof (struct nfsd_dumplist));
3612 if (!error && (dumplist.ndl_size < 1 ||
20
←
Assuming 'error' is 0
→
21
←
Assuming the condition is false
→
23
←
Taking false branch
→
3613 dumplist.ndl_size > NFSRV_MAXDUMPLIST10000))
22
←
Assuming the condition is false
→
3614 error = EPERM1;
3615 if (!error) {
24
←
Taking true branch
→
3616 len = sizeof (struct nfsd_dumpclients) * dumplist.ndl_size;
3617 dumpclients = (struct nfsd_dumpclients *)malloc(len,
3618 M_TEMP, M_WAITOK0x0002);
3619 nfsrv_dumpclients(dumpclients, dumplist.ndl_size);
3620 error = copyout(dumpclients,
25
←
Copies out a struct with uncleared padding (>= 3 bytes)
3621 CAST_USER_ADDR_T(dumplist.ndl_list)(dumplist.ndl_list), len);
3622 free(dumpclients, M_TEMP);
3623 }
3624 } else if (uap->flag & NFSSVC_DUMPLOCKS0x00020000) {
3625 error = copyin(uap->argp, (caddr_t)&dumplocklist,
3626 sizeof (struct nfsd_dumplocklist));
3627 if (!error && (dumplocklist.ndllck_size < 1 ||
3628 dumplocklist.ndllck_size > NFSRV_MAXDUMPLIST10000))
3629 error = EPERM1;
3630 if (!error)
3631 error = nfsrv_lookupfilename(&nd,
3632 dumplocklist.ndllck_fname, p);
3633 if (!error) {
3634 len = sizeof (struct nfsd_dumplocks) *
3635 dumplocklist.ndllck_size;
3636 dumplocks = (struct nfsd_dumplocks *)malloc(len,
3637 M_TEMP, M_WAITOK0x0002);
3638 nfsrv_dumplocks(nd.ni_vp, dumplocks,
3639 dumplocklist.ndllck_size, p);
3640 vput(nd.ni_vp);
3641 error = copyout(dumplocks,
3642 CAST_USER_ADDR_T(dumplocklist.ndllck_list)(dumplocklist.ndllck_list), len);
3643 free(dumplocks, M_TEMP);
3644 }
3645 } else if (uap->flag & NFSSVC_BACKUPSTABLE0x00800000) {
3646 procp = p->td_proc;
3647 PROC_LOCK(procp)__mtx_lock_flags(&((((&(procp)->p_mtx))))->mtx_lock
, ((0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"), (
3647));
3648 nfsd_master_pid = procp->p_pid;
3649 bcopy(procp->p_comm, nfsd_master_comm, MAXCOMLEN + 1)__builtin_memmove((nfsd_master_comm), (procp->p_comm), (19
+ 1));
3650 nfsd_master_start = procp->p_stats->p_start;
3651 nfsd_master_proc = procp;
3652 PROC_UNLOCK(procp)__mtx_unlock_flags(&((((&(procp)->p_mtx))))->mtx_lock
, ((0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"), (
3652));
3653 } else if ((uap->flag & NFSSVC_SUSPENDNFSD0x04000000) != 0) {
3654 NFSLOCKV4ROOTMUTEX()__mtx_lock_flags(&((((&nfs_v4root_mutex))))->mtx_lock
, ((0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"), (
3654));
3655 if (suspend_nfsd == 0) {
3656 /* Lock out all nfsd threads */
3657 do {
3658 igotlock = nfsv4_lock(&nfsd_suspend_lock, 1,
3659 NULL((void *)0), NFSV4ROOTLOCKMUTEXPTR(&nfs_v4root_mutex), NULL((void *)0));
3660 } while (igotlock == 0 && suspend_nfsd == 0);
3661 suspend_nfsd = 1;
3662 }
3663 NFSUNLOCKV4ROOTMUTEX()__mtx_unlock_flags(&((((&nfs_v4root_mutex))))->mtx_lock
, ((0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"), (
3663));
3664 error = 0;
3665 } else if ((uap->flag & NFSSVC_RESUMENFSD0x08000000) != 0) {
3666 NFSLOCKV4ROOTMUTEX()__mtx_lock_flags(&((((&nfs_v4root_mutex))))->mtx_lock
, ((0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"), (
3666));
3667 if (suspend_nfsd != 0) {
3668 nfsv4_unlock(&nfsd_suspend_lock, 0);
3669 suspend_nfsd = 0;
3670 }
3671 NFSUNLOCKV4ROOTMUTEX()__mtx_unlock_flags(&((((&nfs_v4root_mutex))))->mtx_lock
, ((0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"), (
3671));
3672 error = 0;
3673 }
3674
3675 NFSEXITCODE(error);
3676 return (error);
3677}
3678
3679/*
3680 * Check exports.
3681 * Returns 0 if ok, 1 otherwise.
3682 */
3683int
3684nfsvno_testexp(struct nfsrv_descript *nd, struct nfsexstuff *exp)
3685{
3686 int i;
3687
3688 /*
3689 * This seems odd, but allow the case where the security flavor
3690 * list is empty. This happens when NFSv4 is traversing non-exported
3691 * file systems. Exported file systems should always have a non-empty
3692 * security flavor list.
3693 */
3694 if (exp->nes_numsecflavor == 0)
3695 return (0);
3696
3697 for (i = 0; i < exp->nes_numsecflavor; i++) {
3698 /*
3699 * The tests for privacy and integrity must be first,
3700 * since ND_GSS is set for everything but AUTH_SYS.
3701 */
3702 if (exp->nes_secflavors[i] == RPCSEC_GSS_KRB5P390005 &&
3703 (nd->nd_flag & ND_GSSPRIVACY0x00000080))
3704 return (0);
3705 if (exp->nes_secflavors[i] == RPCSEC_GSS_KRB5I390004 &&
3706 (nd->nd_flag & ND_GSSINTEGRITY0x00000040))
3707 return (0);
3708 if (exp->nes_secflavors[i] == RPCSEC_GSS_KRB5390003 &&
3709 (nd->nd_flag & ND_GSS(0x00000020)))
3710 return (0);
3711 if (exp->nes_secflavors[i] == AUTH_SYS1 &&
3712 (nd->nd_flag & ND_GSS(0x00000020)) == 0)
3713 return (0);
3714 }
3715 return (1);
3716}
3717
3718/*
3719 * Calculate a hash value for the fid in a file handle.
3720 */
3721uint32_t
3722nfsrv_hashfh(fhandle_t *fhp)
3723{
3724 uint32_t hashval;
3725
3726 hashval = hash32_buf(&fhp->fh_fid, sizeof(struct fid), 0);
3727 return (hashval);
3728}
3729
3730/*
3731 * Calculate a hash value for the sessionid.
3732 */
3733uint32_t
3734nfsrv_hashsessionid(uint8_t *sessionid)
3735{
3736 uint32_t hashval;
3737
3738 hashval = hash32_buf(sessionid, NFSX_V4SESSIONID16, 0);
3739 return (hashval);
3740}
3741
3742/*
3743 * Signal the userland master nfsd to backup the stable restart file.
3744 */
3745void
3746nfsrv_backupstable(void)
3747{
3748 struct proc *procp;
3749
3750 if (nfsd_master_proc != NULL((void *)0)) {
3751 procp = pfind(nfsd_master_pid);
3752 /* Try to make sure it is the correct process. */
3753 if (procp == nfsd_master_proc &&
3754 procp->p_stats->p_start.tv_sec ==
3755 nfsd_master_start.tv_sec &&
3756 procp->p_stats->p_start.tv_usec ==
3757 nfsd_master_start.tv_usec &&
3758 strcmp(procp->p_comm, nfsd_master_comm) == 0)
3759 kern_psignal(procp, SIGUSR231);
3760 else
3761 nfsd_master_proc = NULL((void *)0);
3762
3763 if (procp != NULL((void *)0))
3764 PROC_UNLOCK(procp)__mtx_unlock_flags(&((((&(procp)->p_mtx))))->mtx_lock
, ((0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"), (
3764));
3765 }
3766}
3767
3768/*
3769 * Create a DS data file for nfsrv_pnfscreate(). Called for each mirror.
3770 * The arguments are in a structure, so that they can be passed through
3771 * taskqueue for a kernel process to execute this function.
3772 */
3773struct nfsrvdscreate {
3774 int done;
3775 int inprog;
3776 struct task tsk;
3777 struct ucred *tcred;
3778 struct vnode *dvp;
3779 NFSPROC_Tstruct thread *p;
3780 struct pnfsdsfile *pf;
3781 int err;
3782 fhandle_t fh;
3783 struct vattr va;
3784 struct vattr createva;
3785};
3786
3787int
3788nfsrv_dscreate(struct vnode *dvp, struct vattr *vap, struct vattr *nvap,
3789 fhandle_t *fhp, struct pnfsdsfile *pf, struct pnfsdsattr *dsa,
3790 char *fnamep, struct ucred *tcred, NFSPROC_Tstruct thread *p, struct vnode **nvpp)
3791{
3792 struct vnode *nvp;
3793 struct nameidata named;
3794 struct vattr va;
3795 char *bufp;
3796 u_long *hashp;
3797 struct nfsnode *np;
3798 struct nfsmount *nmp;
3799 int error;
3800
3801 NFSNAMEICNDSET(&named.ni_cnd, tcred, CREATE,do { (&named.ni_cnd)->cn_cred = (tcred); (&named.ni_cnd
)->cn_nameiop = (1); (&named.ni_cnd)->cn_flags = (0x0008
| 0x0004 | 0x00001000 | 0x0020); } while (0)
3802 LOCKPARENT | LOCKLEAF | SAVESTART | NOCACHE)do { (&named.ni_cnd)->cn_cred = (tcred); (&named.ni_cnd
)->cn_nameiop = (1); (&named.ni_cnd)->cn_flags = (0x0008
| 0x0004 | 0x00001000 | 0x0020); } while (0);
3803 nfsvno_setpathbuf(&named, &bufp, &hashp);
3804 named.ni_cnd.cn_lkflags = LK_EXCLUSIVE0x080000;
3805 named.ni_cnd.cn_thread = p;
3806 named.ni_cnd.cn_nameptr = bufp;
3807 if (fnamep != NULL((void *)0)) {
3808 strlcpy(bufp, fnamep, PNFS_FILENAME_LEN(2 * sizeof(fhandle_t)) + 1);
3809 named.ni_cnd.cn_namelen = strlen(bufp);
3810 } else
3811 named.ni_cnd.cn_namelen = nfsrv_putfhname(fhp, bufp);
3812 NFSD_DEBUG(4, "nfsrv_dscreate: dvp=%p fname=%s\n", dvp, bufp)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_dscreate: dvp=%p fname=%s\n"
, dvp, bufp); } while (0);
3813
3814 /* Create the date file in the DS mount. */
3815 error = NFSVOPLOCK(dvp, LK_EXCLUSIVE)_vn_lock((dvp), (0x080000), "/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
, 3815);
3816 if (error == 0) {
3817 error = VOP_CREATE(dvp, &nvp, &named.ni_cnd, vap);
3818 NFSVOPUNLOCK(dvp, 0)VOP_UNLOCK((dvp), (0));
3819 if (error == 0) {
3820 /* Set the ownership of the file. */
3821 error = VOP_SETATTR(nvp, nvap, tcred);
3822 NFSD_DEBUG(4, "nfsrv_dscreate:"do { if (nfsd_debuglevel >= (4)) printf("nfsrv_dscreate:" " setattr-uid=%d\n"
, error); } while (0)
3823 " setattr-uid=%d\n", error)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_dscreate:" " setattr-uid=%d\n"
, error); } while (0);
3824 if (error != 0)
3825 vput(nvp);
3826 }
3827 if (error != 0)
3828 printf("pNFS: pnfscreate failed=%d\n", error);
3829 } else
3830 printf("pNFS: pnfscreate vnlock=%d\n", error);
3831 if (error == 0) {
3832 np = VTONFS(nvp)((struct nfsnode *)(nvp)->v_data);
3833 nmp = VFSTONFS(nvp->v_mount)((struct nfsmount *)((nvp->v_mount)->mnt_data));
3834 if (strcmp(nvp->v_mount->mnt_vfc->vfc_name, "nfs")
3835 != 0 || nmp->nm_namnm_sockreq.nr_nam->sa_len > sizeof(
3836 struct sockaddr_in6) ||
3837 np->n_fhp->nfh_len != NFSX_MYFH(sizeof (fhandle_t))) {
3838 printf("Bad DS file: fstype=%s salen=%d"
3839 " fhlen=%d\n",
3840 nvp->v_mount->mnt_vfc->vfc_name,
3841 nmp->nm_namnm_sockreq.nr_nam->sa_len, np->n_fhp->nfh_len);
3842 error = ENOENT2;
3843 }
3844
3845 /* Set extattrs for the DS on the MDS file. */
3846 if (error == 0) {
3847 if (dsa != NULL((void *)0)) {
3848 error = VOP_GETATTR(nvp, &va, tcred);
3849 if (error == 0) {
3850 dsa->dsa_filerev = va.va_filerev;
3851 dsa->dsa_size = va.va_size;
3852 dsa->dsa_atime = va.va_atime;
3853 dsa->dsa_mtime = va.va_mtime;
3854 }
3855 }
3856 if (error == 0) {
3857 NFSBCOPY(np->n_fhp->nfh_fh, &pf->dsf_fh,__builtin_memmove(((&pf->dsf_fh)), ((np->n_fhp->
nfh_fh)), (((sizeof (fhandle_t)))))
3858 NFSX_MYFH)__builtin_memmove(((&pf->dsf_fh)), ((np->n_fhp->
nfh_fh)), (((sizeof (fhandle_t)))));
3859 NFSBCOPY(nmp->nm_nam, &pf->dsf_sin,__builtin_memmove(((&pf->dsf_nam.sin)), ((nmp->nm_sockreq
.nr_nam)), ((nmp->nm_sockreq.nr_nam->sa_len)))
3860 nmp->nm_nam->sa_len)__builtin_memmove(((&pf->dsf_nam.sin)), ((nmp->nm_sockreq
.nr_nam)), ((nmp->nm_sockreq.nr_nam->sa_len)));
3861 NFSBCOPY(named.ni_cnd.cn_nameptr,__builtin_memmove(((pf->dsf_filename)), ((named.ni_cnd.cn_nameptr
)), ((sizeof(pf->dsf_filename))))
3862 pf->dsf_filename,__builtin_memmove(((pf->dsf_filename)), ((named.ni_cnd.cn_nameptr
)), ((sizeof(pf->dsf_filename))))
3863 sizeof(pf->dsf_filename))__builtin_memmove(((pf->dsf_filename)), ((named.ni_cnd.cn_nameptr
)), ((sizeof(pf->dsf_filename))));
3864 }
3865 } else
3866 printf("pNFS: pnfscreate can't get DS"
3867 " attr=%d\n", error);
3868 if (nvpp != NULL((void *)0) && error == 0)
3869 *nvpp = nvp;
3870 else
3871 vput(nvp);
3872 }
3873 nfsvno_relpathbuf(&named);
3874 return (error);
3875}
3876
3877/*
3878 * Start up the thread that will execute nfsrv_dscreate().
3879 */
3880static void
3881start_dscreate(void *arg, int pending)
3882{
3883 struct nfsrvdscreate *dsc;
3884
3885 dsc = (struct nfsrvdscreate *)arg;
3886 dsc->err = nfsrv_dscreate(dsc->dvp, &dsc->createva, &dsc->va, &dsc->fh,
3887 dsc->pf, NULL((void *)0), NULL((void *)0), dsc->tcred, dsc->p, NULL((void *)0));
3888 dsc->done = 1;
3889 NFSD_DEBUG(4, "start_dscreate: err=%d\n", dsc->err)do { if (nfsd_debuglevel >= (4)) printf("start_dscreate: err=%d\n"
, dsc->err); } while (0);
3890}
3891
3892/*
3893 * Create a pNFS data file on the Data Server(s).
3894 */
3895static void
3896nfsrv_pnfscreate(struct vnode *vp, struct vattr *vap, struct ucred *cred,
3897 NFSPROC_Tstruct thread *p)
3898{
3899 struct nfsrvdscreate *dsc, *tdsc;
3900 struct nfsdevice *ds, *tds, *fds;
3901 struct mount *mp;
3902 struct pnfsdsfile *pf, *tpf;
3903 struct pnfsdsattr dsattr;
3904 struct vattr va;
3905 struct vnode *dvp[NFSDEV_MAXMIRRORS4];
3906 struct nfsmount *nmp;
3907 fhandle_t fh;
3908 uid_t vauid;
3909 gid_t vagid;
3910 u_short vamode;
3911 struct ucred *tcred;
3912 int dsdir[NFSDEV_MAXMIRRORS4], error, i, mirrorcnt, ret;
3913 int failpos, timo;
3914
3915 /* Get a DS server directory in a round-robin order. */
3916 mirrorcnt = 1;
3917 mp = vp->v_mount;
3918 ds = fds = NULL((void *)0);
3919 NFSDDSLOCK()__mtx_lock_flags(&((((&nfsrv_dslock_mtx))))->mtx_lock
, ((0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"), (
3919));
3920 /*
3921 * Search for the first entry that handles this MDS fs, but use the
3922 * first entry for all MDS fs's otherwise.
3923 */
3924 TAILQ_FOREACH(tds, &nfsrv_devidhead, nfsdev_list)for ((tds) = (((&nfsrv_devidhead))->tqh_first); (tds);
(tds) = (((tds))->nfsdev_list.tqe_next)) {
3925 if (tds->nfsdev_nmp != NULL((void *)0)) {
3926 if (tds->nfsdev_mdsisset == 0 && ds == NULL((void *)0))
3927 ds = tds;
3928 else if (tds->nfsdev_mdsisset != 0 &&
3929 mp->mnt_stat.f_fsid.val[0] ==
3930 tds->nfsdev_mdsfsid.val[0] &&
3931 mp->mnt_stat.f_fsid.val[1] ==
3932 tds->nfsdev_mdsfsid.val[1]) {
3933 ds = fds = tds;
3934 break;
3935 }
3936 }
3937 }
3938 if (ds == NULL((void *)0)) {
3939 NFSDDSUNLOCK()__mtx_unlock_flags(&((((&nfsrv_dslock_mtx))))->mtx_lock
, ((0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"), (
3939));
3940 NFSD_DEBUG(4, "nfsrv_pnfscreate: no srv\n")do { if (nfsd_debuglevel >= (4)) printf("nfsrv_pnfscreate: no srv\n"
); } while (0);
3941 return;
3942 }
3943 i = dsdir[0] = ds->nfsdev_nextdir;
3944 ds->nfsdev_nextdir = (ds->nfsdev_nextdir + 1) % nfsrv_dsdirsize;
3945 dvp[0] = ds->nfsdev_dsdir[i];
3946 tds = TAILQ_NEXT(ds, nfsdev_list)((ds)->nfsdev_list.tqe_next);
3947 if (nfsrv_maxpnfsmirror > 1 && tds != NULL((void *)0)) {
3948 TAILQ_FOREACH_FROM(tds, &nfsrv_devidhead, nfsdev_list)for ((tds) = ((tds) ? (tds) : (((&nfsrv_devidhead))->tqh_first
)); (tds); (tds) = (((tds))->nfsdev_list.tqe_next)) {
3949 if (tds->nfsdev_nmp != NULL((void *)0) &&
3950 ((tds->nfsdev_mdsisset == 0 && fds == NULL((void *)0)) ||
3951 (tds->nfsdev_mdsisset != 0 && fds != NULL((void *)0) &&
3952 mp->mnt_stat.f_fsid.val[0] ==
3953 tds->nfsdev_mdsfsid.val[0] &&
3954 mp->mnt_stat.f_fsid.val[1] ==
3955 tds->nfsdev_mdsfsid.val[1]))) {
3956 dsdir[mirrorcnt] = i;
3957 dvp[mirrorcnt] = tds->nfsdev_dsdir[i];
3958 mirrorcnt++;
3959 if (mirrorcnt >= nfsrv_maxpnfsmirror)
3960 break;
3961 }
3962 }
3963 }
3964 /* Put at end of list to implement round-robin usage. */
3965 TAILQ_REMOVE(&nfsrv_devidhead, ds, nfsdev_list)do { ; ; do { if ((((ds))->nfsdev_list.tqe_next) != ((void
*)0) && (((ds))->nfsdev_list.tqe_next)->nfsdev_list
.tqe_prev != &((ds)->nfsdev_list.tqe_next)) panic("Bad link elm %p next->prev != elm"
, (ds)); } while (0); do { if (*(ds)->nfsdev_list.tqe_prev
!= (ds)) panic("Bad link elm %p prev->next != elm", (ds))
; } while (0); if (((((ds))->nfsdev_list.tqe_next)) != ((void
*)0)) (((ds))->nfsdev_list.tqe_next)->nfsdev_list.tqe_prev
= (ds)->nfsdev_list.tqe_prev; else { (&nfsrv_devidhead
)->tqh_last = (ds)->nfsdev_list.tqe_prev; ; } *(ds)->
nfsdev_list.tqe_prev = (((ds))->nfsdev_list.tqe_next); ; ;
; } while (0);
3966 TAILQ_INSERT_TAIL(&nfsrv_devidhead, ds, nfsdev_list)do { do { if (*(&nfsrv_devidhead)->tqh_last != ((void *
)0)) panic("Bad tailq NEXT(%p->tqh_last) != NULL", (&nfsrv_devidhead
)); } while (0); (((ds))->nfsdev_list.tqe_next) = ((void *
)0); (ds)->nfsdev_list.tqe_prev = (&nfsrv_devidhead)->
tqh_last; *(&nfsrv_devidhead)->tqh_last = (ds); (&
nfsrv_devidhead)->tqh_last = &(((ds))->nfsdev_list.
tqe_next); ; ; } while (0);
3967 NFSDDSUNLOCK()__mtx_unlock_flags(&((((&nfsrv_dslock_mtx))))->mtx_lock
, ((0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"), (
3967));
3968 dsc = NULL((void *)0);
3969 if (mirrorcnt > 1)
3970 tdsc = dsc = malloc(sizeof(*dsc) * (mirrorcnt - 1), M_TEMP,
3971 M_WAITOK0x0002 | M_ZERO0x0100);
3972 tpf = pf = malloc(sizeof(*pf) * nfsrv_maxpnfsmirror, M_TEMP, M_WAITOK0x0002 |
3973 M_ZERO0x0100);
3974
3975 error = nfsvno_getfh(vp, &fh, p);
3976 if (error == 0)
3977 error = VOP_GETATTR(vp, &va, cred);
3978 if (error == 0) {
3979 /* Set the attributes for "vp" to Setattr the DS vp. */
3980 vauid = va.va_uid;
3981 vagid = va.va_gid;
3982 vamode = va.va_mode;
3983 VATTR_NULL(&va)(*(&va) = va_null);
3984 va.va_uid = vauid;
3985 va.va_gid = vagid;
3986 va.va_mode = vamode;
3987 va.va_size = 0;
3988 } else
3989 printf("pNFS: pnfscreate getfh+attr=%d\n", error);
3990
3991 NFSD_DEBUG(4, "nfsrv_pnfscreate: cruid=%d crgid=%d\n", cred->cr_uid,do { if (nfsd_debuglevel >= (4)) printf("nfsrv_pnfscreate: cruid=%d crgid=%d\n"
, cred->cr_uid, cred->cr_groups[0]); } while (0)
3992 cred->cr_gid)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_pnfscreate: cruid=%d crgid=%d\n"
, cred->cr_uid, cred->cr_groups[0]); } while (0);
3993 /* Make data file name based on FH. */
3994 tcred = newnfs_getcred();
3995
3996 /*
3997 * Create the file on each DS mirror, using kernel process(es) for the
3998 * additional mirrors.
3999 */
4000 failpos = -1;
4001 for (i = 0; i < mirrorcnt - 1 && error == 0; i++, tpf++, tdsc++) {
4002 tpf->dsf_dir = dsdir[i];
4003 tdsc->tcred = tcred;
4004 tdsc->p = p;
4005 tdsc->pf = tpf;
4006 tdsc->createva = *vap;
4007 NFSBCOPY(&fh, &tdsc->fh, sizeof(fh))__builtin_memmove(((&tdsc->fh)), ((&fh)), ((sizeof
(fh))));
4008 tdsc->va = va;
4009 tdsc->dvp = dvp[i];
4010 tdsc->done = 0;
4011 tdsc->inprog = 0;
4012 tdsc->err = 0;
4013 ret = EIO5;
4014 if (nfs_pnfsiothreads != 0) {
4015 ret = nfs_pnfsio(start_dscreate, tdsc);
4016 NFSD_DEBUG(4, "nfsrv_pnfscreate: nfs_pnfsio=%d\n", ret)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_pnfscreate: nfs_pnfsio=%d\n"
, ret); } while (0);
4017 }
4018 if (ret != 0) {
4019 ret = nfsrv_dscreate(dvp[i], vap, &va, &fh, tpf, NULL((void *)0),
4020 NULL((void *)0), tcred, p, NULL((void *)0));
4021 if (ret != 0) {
4022 KASSERT(error == 0, ("nfsrv_dscreate err=%d",do { if (__builtin_expect((!(error == 0)), 0)) panic ("nfsrv_dscreate err=%d"
, error); } while (0)
4023 error))do { if (__builtin_expect((!(error == 0)), 0)) panic ("nfsrv_dscreate err=%d"
, error); } while (0);
4024 if (failpos == -1 && nfsds_failerr(ret)((ret) == 6 || (ret) == 5))
4025 failpos = i;
4026 else
4027 error = ret;
4028 }
4029 }
4030 }
4031 if (error == 0) {
4032 tpf->dsf_dir = dsdir[mirrorcnt - 1];
4033 error = nfsrv_dscreate(dvp[mirrorcnt - 1], vap, &va, &fh, tpf,
4034 &dsattr, NULL((void *)0), tcred, p, NULL((void *)0));
4035 if (failpos == -1 && mirrorcnt > 1 && nfsds_failerr(error)((error) == 6 || (error) == 5)) {
4036 failpos = mirrorcnt - 1;
4037 error = 0;
4038 }
4039 }
4040 timo = hz / 50; /* Wait for 20msec. */
4041 if (timo < 1)
4042 timo = 1;
4043 /* Wait for kernel task(s) to complete. */
4044 for (tdsc = dsc, i = 0; i < mirrorcnt - 1; i++, tdsc++) {
4045 while (tdsc->inprog != 0 && tdsc->done == 0)
4046 tsleep(&tdsc->tsk, PVFS, "srvdcr", timo)_sleep((&tdsc->tsk), ((void *)0), (((80) + 16)), ("srvdcr"
), tick_sbt * (timo), 0, 0x0100);
4047 if (tdsc->err != 0) {
4048 if (failpos == -1 && nfsds_failerr(tdsc->err)((tdsc->err) == 6 || (tdsc->err) == 5))
4049 failpos = i;
4050 else if (error == 0)
4051 error = tdsc->err;
4052 }
4053 }
4054
4055 /*
4056 * If failpos has been set, that mirror has failed, so it needs
4057 * to be disabled.
4058 */
4059 if (failpos >= 0) {
4060 nmp = VFSTONFS(dvp[failpos]->v_mount)((struct nfsmount *)((dvp[failpos]->v_mount)->mnt_data)
);
4061 NFSLOCKMNT(nmp)__mtx_lock_flags(&((((&((nmp)->nm_com.nmcom_mtx)))
))->mtx_lock, ((0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
), (4061));
4062 if ((nmp->nm_privflag & (NFSMNTP_FORCEDISM0x00000001 |
4063 NFSMNTP_CANCELRPCS0x00000002)) == 0) {
4064 nmp->nm_privflag |= NFSMNTP_CANCELRPCS0x00000002;
4065 NFSUNLOCKMNT(nmp)__mtx_unlock_flags(&((((&((nmp)->nm_com.nmcom_mtx)
))))->mtx_lock, ((0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
), (4065));
4066 ds = nfsrv_deldsnmp(PNFSDOP_DELDSSERVER1, nmp, p);
4067 NFSD_DEBUG(4, "dscreatfail fail=%d ds=%p\n", failpos,do { if (nfsd_debuglevel >= (4)) printf("dscreatfail fail=%d ds=%p\n"
, failpos, ds); } while (0)
4068 ds)do { if (nfsd_debuglevel >= (4)) printf("dscreatfail fail=%d ds=%p\n"
, failpos, ds); } while (0);
4069 if (ds != NULL((void *)0))
4070 nfsrv_killrpcs(nmp);
4071 NFSLOCKMNT(nmp)__mtx_lock_flags(&((((&((nmp)->nm_com.nmcom_mtx)))
))->mtx_lock, ((0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
), (4071));
4072 nmp->nm_privflag &= ~NFSMNTP_CANCELRPCS0x00000002;
4073 wakeup(nmp);
4074 }
4075 NFSUNLOCKMNT(nmp)__mtx_unlock_flags(&((((&((nmp)->nm_com.nmcom_mtx)
))))->mtx_lock, ((0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
), (4075));
4076 }
4077
4078 NFSFREECRED(tcred)(crfree(tcred));
4079 if (error == 0) {
4080 ASSERT_VOP_ELOCKED(vp, "nfsrv_pnfscreate vp")((void)0);
4081
4082 NFSD_DEBUG(4, "nfsrv_pnfscreate: mirrorcnt=%d maxmirror=%d\n",do { if (nfsd_debuglevel >= (4)) printf("nfsrv_pnfscreate: mirrorcnt=%d maxmirror=%d\n"
, mirrorcnt, nfsrv_maxpnfsmirror); } while (0)
4083 mirrorcnt, nfsrv_maxpnfsmirror)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_pnfscreate: mirrorcnt=%d maxmirror=%d\n"
, mirrorcnt, nfsrv_maxpnfsmirror); } while (0);
4084 /*
4085 * For all mirrors that couldn't be created, fill in the
4086 * *pf structure, but with an IP address == 0.0.0.0.
4087 */
4088 tpf = pf + mirrorcnt;
4089 for (i = mirrorcnt; i < nfsrv_maxpnfsmirror; i++, tpf++) {
4090 *tpf = *pf;
4091 tpf->dsf_sindsf_nam.sin.sin_family = AF_INET2;
4092 tpf->dsf_sindsf_nam.sin.sin_len = sizeof(struct sockaddr_in);
4093 tpf->dsf_sindsf_nam.sin.sin_addr.s_addr = 0;
4094 tpf->dsf_sindsf_nam.sin.sin_port = 0;
4095 }
4096
4097 error = vn_extattr_set(vp, IO_NODELOCKED0x0008,
4098 EXTATTR_NAMESPACE_SYSTEM0x00000002, "pnfsd.dsfile",
4099 sizeof(*pf) * nfsrv_maxpnfsmirror, (char *)pf, p);
4100 if (error == 0)
4101 error = vn_extattr_set(vp, IO_NODELOCKED0x0008,
4102 EXTATTR_NAMESPACE_SYSTEM0x00000002, "pnfsd.dsattr",
4103 sizeof(dsattr), (char *)&dsattr, p);
4104 if (error != 0)
4105 printf("pNFS: pnfscreate setextattr=%d\n",
4106 error);
4107 } else
4108 printf("pNFS: pnfscreate=%d\n", error);
4109 free(pf, M_TEMP);
4110 free(dsc, M_TEMP);
4111}
4112
4113/*
4114 * Get the information needed to remove the pNFS Data Server file from the
4115 * Metadata file. Upon success, ddvp is set non-NULL to the locked
4116 * DS directory vnode. The caller must unlock *ddvp when done with it.
4117 */
4118static void
4119nfsrv_pnfsremovesetup(struct vnode *vp, NFSPROC_Tstruct thread *p, struct vnode **dvpp,
4120 int *mirrorcntp, char *fname, fhandle_t *fhp)
4121{
4122 struct vattr va;
4123 struct ucred *tcred;
4124 char *buf;
4125 int buflen, error;
4126
4127 dvpp[0] = NULL((void *)0);
4128 /* If not an exported regular file or not a pNFS server, just return. */
4129 if (vp->v_type != VREG || (vp->v_mount->mnt_flag & MNT_EXPORTED0x0000000000000100ULL) == 0 ||
4130 nfsrv_devidcnt == 0)
4131 return;
4132
4133 /* Check to see if this is the last hard link. */
4134 tcred = newnfs_getcred();
4135 error = VOP_GETATTR(vp, &va, tcred);
4136 NFSFREECRED(tcred)(crfree(tcred));
4137 if (error != 0) {
4138 printf("pNFS: nfsrv_pnfsremovesetup getattr=%d\n", error);
4139 return;
4140 }
4141 if (va.va_nlink > 1)
4142 return;
4143
4144 error = nfsvno_getfh(vp, fhp, p);
4145 if (error != 0) {
4146 printf("pNFS: nfsrv_pnfsremovesetup getfh=%d\n", error);
4147 return;
4148 }
4149
4150 buflen = 1024;
4151 buf = malloc(buflen, M_TEMP, M_WAITOK0x0002);
4152 /* Get the directory vnode for the DS mount and the file handle. */
4153 error = nfsrv_dsgetsockmnt(vp, 0, buf, &buflen, mirrorcntp, p, dvpp,
4154 NULL((void *)0), NULL((void *)0), fname, NULL((void *)0), NULL((void *)0), NULL((void *)0), NULL((void *)0), NULL((void *)0));
4155 free(buf, M_TEMP);
4156 if (error != 0)
4157 printf("pNFS: nfsrv_pnfsremovesetup getsockmnt=%d\n", error);
4158}
4159
4160/*
4161 * Remove a DS data file for nfsrv_pnfsremove(). Called for each mirror.
4162 * The arguments are in a structure, so that they can be passed through
4163 * taskqueue for a kernel process to execute this function.
4164 */
4165struct nfsrvdsremove {
4166 int done;
4167 int inprog;
4168 struct task tsk;
4169 struct ucred *tcred;
4170 struct vnode *dvp;
4171 NFSPROC_Tstruct thread *p;
4172 int err;
4173 char fname[PNFS_FILENAME_LEN(2 * sizeof(fhandle_t)) + 1];
4174};
4175
4176static int
4177nfsrv_dsremove(struct vnode *dvp, char *fname, struct ucred *tcred,
4178 NFSPROC_Tstruct thread *p)
4179{
4180 struct nameidata named;
4181 struct vnode *nvp;
4182 char *bufp;
4183 u_long *hashp;
4184 int error;
4185
4186 error = NFSVOPLOCK(dvp, LK_EXCLUSIVE)_vn_lock((dvp), (0x080000), "/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
, 4186);
4187 if (error != 0)
4188 return (error);
4189 named.ni_cnd.cn_nameiop = DELETE2;
4190 named.ni_cnd.cn_lkflags = LK_EXCLUSIVE0x080000 | LK_RETRY0x000400;
4191 named.ni_cnd.cn_cred = tcred;
4192 named.ni_cnd.cn_thread = p;
4193 named.ni_cnd.cn_flags = ISLASTCN0x00008000 | LOCKPARENT0x0008 | LOCKLEAF0x0004 | SAVENAME0x00000800;
4194 nfsvno_setpathbuf(&named, &bufp, &hashp);
4195 named.ni_cnd.cn_nameptr = bufp;
4196 named.ni_cnd.cn_namelen = strlen(fname);
4197 strlcpy(bufp, fname, NAME_MAX255);
4198 NFSD_DEBUG(4, "nfsrv_pnfsremove: filename=%s\n", bufp)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_pnfsremove: filename=%s\n"
, bufp); } while (0);
4199 error = VOP_LOOKUP(dvp, &nvp, &named.ni_cnd);
4200 NFSD_DEBUG(4, "nfsrv_pnfsremove: aft LOOKUP=%d\n", error)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_pnfsremove: aft LOOKUP=%d\n"
, error); } while (0);
4201 if (error == 0) {
4202 error = VOP_REMOVE(dvp, nvp, &named.ni_cnd);
4203 vput(nvp);
4204 }
4205 NFSVOPUNLOCK(dvp, 0)VOP_UNLOCK((dvp), (0));
4206 nfsvno_relpathbuf(&named);
4207 if (error != 0)
4208 printf("pNFS: nfsrv_pnfsremove failed=%d\n", error);
4209 return (error);
4210}
4211
4212/*
4213 * Start up the thread that will execute nfsrv_dsremove().
4214 */
4215static void
4216start_dsremove(void *arg, int pending)
4217{
4218 struct nfsrvdsremove *dsrm;
4219
4220 dsrm = (struct nfsrvdsremove *)arg;
4221 dsrm->err = nfsrv_dsremove(dsrm->dvp, dsrm->fname, dsrm->tcred,
4222 dsrm->p);
4223 dsrm->done = 1;
4224 NFSD_DEBUG(4, "start_dsremove: err=%d\n", dsrm->err)do { if (nfsd_debuglevel >= (4)) printf("start_dsremove: err=%d\n"
, dsrm->err); } while (0);
4225}
4226
4227/*
4228 * Remove a pNFS data file from a Data Server.
4229 * nfsrv_pnfsremovesetup() must have been called before the MDS file was
4230 * removed to set up the dvp and fill in the FH.
4231 */
4232static void
4233nfsrv_pnfsremove(struct vnode **dvp, int mirrorcnt, char *fname, fhandle_t *fhp,
4234 NFSPROC_Tstruct thread *p)
4235{
4236 struct ucred *tcred;
4237 struct nfsrvdsremove *dsrm, *tdsrm;
4238 struct nfsdevice *ds;
4239 struct nfsmount *nmp;
4240 int failpos, i, ret, timo;
4241
4242 tcred = newnfs_getcred();
4243 dsrm = NULL((void *)0);
4244 if (mirrorcnt > 1)
4245 dsrm = malloc(sizeof(*dsrm) * mirrorcnt - 1, M_TEMP, M_WAITOK0x0002);
4246 /*
4247 * Remove the file on each DS mirror, using kernel process(es) for the
4248 * additional mirrors.
4249 */
4250 failpos = -1;
4251 for (tdsrm = dsrm, i = 0; i < mirrorcnt - 1; i++, tdsrm++) {
4252 tdsrm->tcred = tcred;
4253 tdsrm->p = p;
4254 tdsrm->dvp = dvp[i];
4255 strlcpy(tdsrm->fname, fname, PNFS_FILENAME_LEN(2 * sizeof(fhandle_t)) + 1);
4256 tdsrm->inprog = 0;
4257 tdsrm->done = 0;
4258 tdsrm->err = 0;
4259 ret = EIO5;
4260 if (nfs_pnfsiothreads != 0) {
4261 ret = nfs_pnfsio(start_dsremove, tdsrm);
4262 NFSD_DEBUG(4, "nfsrv_pnfsremove: nfs_pnfsio=%d\n", ret)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_pnfsremove: nfs_pnfsio=%d\n"
, ret); } while (0);
4263 }
4264 if (ret != 0) {
4265 ret = nfsrv_dsremove(dvp[i], fname, tcred, p);
4266 if (failpos == -1 && nfsds_failerr(ret)((ret) == 6 || (ret) == 5))
4267 failpos = i;
4268 }
4269 }
4270 ret = nfsrv_dsremove(dvp[mirrorcnt - 1], fname, tcred, p);
4271 if (failpos == -1 && mirrorcnt > 1 && nfsds_failerr(ret)((ret) == 6 || (ret) == 5))
4272 failpos = mirrorcnt - 1;
4273 timo = hz / 50; /* Wait for 20msec. */
4274 if (timo < 1)
4275 timo = 1;
4276 /* Wait for kernel task(s) to complete. */
4277 for (tdsrm = dsrm, i = 0; i < mirrorcnt - 1; i++, tdsrm++) {
4278 while (tdsrm->inprog != 0 && tdsrm->done == 0)
4279 tsleep(&tdsrm->tsk, PVFS, "srvdsrm", timo)_sleep((&tdsrm->tsk), ((void *)0), (((80) + 16)), ("srvdsrm"
), tick_sbt * (timo), 0, 0x0100);
4280 if (failpos == -1 && nfsds_failerr(tdsrm->err)((tdsrm->err) == 6 || (tdsrm->err) == 5))
4281 failpos = i;
4282 }
4283
4284 /*
4285 * If failpos has been set, that mirror has failed, so it needs
4286 * to be disabled.
4287 */
4288 if (failpos >= 0) {
4289 nmp = VFSTONFS(dvp[failpos]->v_mount)((struct nfsmount *)((dvp[failpos]->v_mount)->mnt_data)
);
4290 NFSLOCKMNT(nmp)__mtx_lock_flags(&((((&((nmp)->nm_com.nmcom_mtx)))
))->mtx_lock, ((0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
), (4290));
4291 if ((nmp->nm_privflag & (NFSMNTP_FORCEDISM0x00000001 |
4292 NFSMNTP_CANCELRPCS0x00000002)) == 0) {
4293 nmp->nm_privflag |= NFSMNTP_CANCELRPCS0x00000002;
4294 NFSUNLOCKMNT(nmp)__mtx_unlock_flags(&((((&((nmp)->nm_com.nmcom_mtx)
))))->mtx_lock, ((0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
), (4294));
4295 ds = nfsrv_deldsnmp(PNFSDOP_DELDSSERVER1, nmp, p);
4296 NFSD_DEBUG(4, "dsremovefail fail=%d ds=%p\n", failpos,do { if (nfsd_debuglevel >= (4)) printf("dsremovefail fail=%d ds=%p\n"
, failpos, ds); } while (0)
4297 ds)do { if (nfsd_debuglevel >= (4)) printf("dsremovefail fail=%d ds=%p\n"
, failpos, ds); } while (0);
4298 if (ds != NULL((void *)0))
4299 nfsrv_killrpcs(nmp);
4300 NFSLOCKMNT(nmp)__mtx_lock_flags(&((((&((nmp)->nm_com.nmcom_mtx)))
))->mtx_lock, ((0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
), (4300));
4301 nmp->nm_privflag &= ~NFSMNTP_CANCELRPCS0x00000002;
4302 wakeup(nmp);
4303 }
4304 NFSUNLOCKMNT(nmp)__mtx_unlock_flags(&((((&((nmp)->nm_com.nmcom_mtx)
))))->mtx_lock, ((0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
), (4304));
4305 }
4306
4307 /* Get rid all layouts for the file. */
4308 nfsrv_freefilelayouts(fhp);
4309
4310 NFSFREECRED(tcred)(crfree(tcred));
4311 free(dsrm, M_TEMP);
4312}
4313
4314/*
4315 * Generate a file name based on the file handle and put it in *bufp.
4316 * Return the number of bytes generated.
4317 */
4318static int
4319nfsrv_putfhname(fhandle_t *fhp, char *bufp)
4320{
4321 int i;
4322 uint8_t *cp;
4323 const uint8_t *hexdigits = "0123456789abcdef";
4324
4325 cp = (uint8_t *)fhp;
4326 for (i = 0; i < sizeof(*fhp); i++) {
4327 bufp[2 * i] = hexdigits[(*cp >> 4) & 0xf];
4328 bufp[2 * i + 1] = hexdigits[*cp++ & 0xf];
4329 }
4330 bufp[2 * i] = '\0';
4331 return (2 * i);
4332}
4333
4334/*
4335 * Update the Metadata file's attributes from the DS file when a Read/Write
4336 * layout is returned.
4337 * Basically just call nfsrv_proxyds() with procedure == NFSPROC_LAYOUTRETURN
4338 * so that it does a nfsrv_getattrdsrpc() and nfsrv_setextattr() on the DS file.
4339 */
4340int
4341nfsrv_updatemdsattr(struct vnode *vp, struct nfsvattr *nap, NFSPROC_Tstruct thread *p)
4342{
4343 struct ucred *tcred;
4344 int error;
4345
4346 /* Do this as root so that it won't fail with EACCES. */
4347 tcred = newnfs_getcred();
4348 error = nfsrv_proxyds(NULL((void *)0), vp, 0, 0, tcred, p, NFSPROC_LAYOUTRETURN49,
4349 NULL((void *)0), NULL((void *)0), NULL((void *)0), nap, NULL((void *)0));
4350 NFSFREECRED(tcred)(crfree(tcred));
4351 return (error);
4352}
4353
4354/*
4355 * Set the NFSv4 ACL on the DS file to the same ACL as the MDS file.
4356 */
4357static int
4358nfsrv_dssetacl(struct vnode *vp, struct acl *aclp, struct ucred *cred,
4359 NFSPROC_Tstruct thread *p)
4360{
4361 int error;
4362
4363 error = nfsrv_proxyds(NULL((void *)0), vp, 0, 0, cred, p, NFSPROC_SETACL40,
4364 NULL((void *)0), NULL((void *)0), NULL((void *)0), NULL((void *)0), aclp);
4365 return (error);
4366}
4367
4368static int
4369nfsrv_proxyds(struct nfsrv_descript *nd, struct vnode *vp, off_t off, int cnt,
4370 struct ucred *cred, struct thread *p, int ioproc, struct mbuf **mpp,
4371 char *cp, struct mbuf **mpp2, struct nfsvattr *nap, struct acl *aclp)
4372{
4373 struct nfsmount *nmp[NFSDEV_MAXMIRRORS4], *failnmp;
4374 fhandle_t fh[NFSDEV_MAXMIRRORS4];
4375 struct vnode *dvp[NFSDEV_MAXMIRRORS4];
4376 struct nfsdevice *ds;
4377 struct pnfsdsattr dsattr;
4378 char *buf;
4379 int buflen, error, failpos, i, mirrorcnt, origmircnt, trycnt;
4380
4381 NFSD_DEBUG(4, "in nfsrv_proxyds\n")do { if (nfsd_debuglevel >= (4)) printf("in nfsrv_proxyds\n"
); } while (0);
4382 /*
4383 * If not a regular file, not exported or not a pNFS server,
4384 * just return ENOENT.
4385 */
4386 if (vp->v_type != VREG || (vp->v_mount->mnt_flag & MNT_EXPORTED0x0000000000000100ULL) == 0 ||
4387 nfsrv_devidcnt == 0)
4388 return (ENOENT2);
4389
4390 buflen = 1024;
4391 buf = malloc(buflen, M_TEMP, M_WAITOK0x0002);
4392 error = 0;
4393
4394 /*
4395 * For Getattr, get the Change attribute (va_filerev) and size (va_size)
4396 * from the MetaData file's extended attribute.
4397 */
4398 if (ioproc == NFSPROC_GETATTR1) {
4399 error = vn_extattr_get(vp, IO_NODELOCKED0x0008,
4400 EXTATTR_NAMESPACE_SYSTEM0x00000002, "pnfsd.dsattr", &buflen, buf,
4401 p);
4402 if (error == 0 && buflen != sizeof(dsattr))
4403 error = ENXIO6;
4404 if (error == 0) {
4405 NFSBCOPY(buf, &dsattr, buflen)__builtin_memmove(((&dsattr)), ((buf)), ((buflen)));
4406 nap->na_filerevna_vattr.va_filerev = dsattr.dsa_filerev;
4407 nap->na_sizena_vattr.va_size = dsattr.dsa_size;
4408 nap->na_atimena_vattr.va_atime = dsattr.dsa_atime;
4409 nap->na_mtimena_vattr.va_mtime = dsattr.dsa_mtime;
4410
4411 /*
4412 * If nfsrv_pnfsgetdsattr is 0 or nfsrv_checkdsattr()
4413 * returns 0, just return now. nfsrv_checkdsattr()
4414 * returns 0 if there is no Read/Write layout
4415 * plus either an Open/Write_access or Write
4416 * delegation issued to a client for the file.
4417 */
4418 if (nfsrv_pnfsgetdsattr == 0 ||
4419 nfsrv_checkdsattr(nd, vp, p) == 0) {
4420 free(buf, M_TEMP);
4421 return (error);
4422 }
4423 }
4424
4425 /*
4426 * Clear ENOATTR so the code below will attempt to do a
4427 * nfsrv_getattrdsrpc() to get the attributes and (re)create
4428 * the extended attribute.
4429 */
4430 if (error == ENOATTR87)
4431 error = 0;
4432 }
4433
4434 origmircnt = -1;
4435 trycnt = 0;
4436tryagain:
4437 if (error == 0) {
4438 buflen = 1024;
4439 if (ioproc == NFSPROC_READDS52 && NFSVOPISLOCKED(vp)VOP_ISLOCKED((vp)) ==
4440 LK_EXCLUSIVE0x080000)
4441 printf("nfsrv_proxyds: Readds vp exclusively locked\n");
4442 error = nfsrv_dsgetsockmnt(vp, LK_SHARED0x200000, buf, &buflen,
4443 &mirrorcnt, p, dvp, fh, NULL((void *)0), NULL((void *)0), NULL((void *)0), NULL((void *)0), NULL((void *)0),
4444 NULL((void *)0), NULL((void *)0));
4445 if (error == 0) {
4446 for (i = 0; i < mirrorcnt; i++)
4447 nmp[i] = VFSTONFS(dvp[i]->v_mount)((struct nfsmount *)((dvp[i]->v_mount)->mnt_data));
4448 } else
4449 printf("pNFS: proxy getextattr sockaddr=%d\n", error);
4450 } else
4451 printf("pNFS: nfsrv_dsgetsockmnt=%d\n", error);
4452 if (error == 0) {
4453 failpos = -1;
4454 if (origmircnt == -1)
4455 origmircnt = mirrorcnt;
4456 /*
4457 * If failpos is set to a mirror#, then that mirror has
4458 * failed and will be disabled. For Read and Getattr, the
4459 * function only tries one mirror, so if that mirror has
4460 * failed, it will need to be retried. As such, increment
4461 * tryitagain for these cases.
4462 * For Write, Setattr and Setacl, the function tries all
4463 * mirrors and will not return an error for the case where
4464 * one mirror has failed. For these cases, the functioning
4465 * mirror(s) will have been modified, so a retry isn't
4466 * necessary. These functions will set failpos for the
4467 * failed mirror#.
4468 */
4469 if (ioproc == NFSPROC_READDS52) {
4470 error = nfsrv_readdsrpc(fh, off, cnt, cred, p, nmp[0],
4471 mpp, mpp2);
4472 if (nfsds_failerr(error)((error) == 6 || (error) == 5) && mirrorcnt > 1) {
4473 /*
4474 * Setting failpos will cause the mirror
4475 * to be disabled and then a retry of this
4476 * read is required.
4477 */
4478 failpos = 0;
4479 error = 0;
4480 trycnt++;
4481 }
4482 } else if (ioproc == NFSPROC_WRITEDS51)
4483 error = nfsrv_writedsrpc(fh, off, cnt, cred, p, vp,
4484 &nmp[0], mirrorcnt, mpp, cp, &failpos);
4485 else if (ioproc == NFSPROC_SETATTR2)
4486 error = nfsrv_setattrdsrpc(fh, cred, p, vp, &nmp[0],
4487 mirrorcnt, nap, &failpos);
4488 else if (ioproc == NFSPROC_SETACL40)
4489 error = nfsrv_setacldsrpc(fh, cred, p, vp, &nmp[0],
4490 mirrorcnt, aclp, &failpos);
4491 else {
4492 error = nfsrv_getattrdsrpc(&fh[mirrorcnt - 1], cred, p,
4493 vp, nmp[mirrorcnt - 1], nap);
4494 if (nfsds_failerr(error)((error) == 6 || (error) == 5) && mirrorcnt > 1) {
4495 /*
4496 * Setting failpos will cause the mirror
4497 * to be disabled and then a retry of this
4498 * getattr is required.
4499 */
4500 failpos = mirrorcnt - 1;
4501 error = 0;
4502 trycnt++;
4503 }
4504 }
4505 ds = NULL((void *)0);
4506 if (failpos >= 0) {
4507 failnmp = nmp[failpos];
4508 NFSLOCKMNT(failnmp)__mtx_lock_flags(&((((&((failnmp)->nm_com.nmcom_mtx
)))))->mtx_lock, ((0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
), (4508));
4509 if ((failnmp->nm_privflag & (NFSMNTP_FORCEDISM0x00000001 |
4510 NFSMNTP_CANCELRPCS0x00000002)) == 0) {
4511 failnmp->nm_privflag |= NFSMNTP_CANCELRPCS0x00000002;
4512 NFSUNLOCKMNT(failnmp)__mtx_unlock_flags(&((((&((failnmp)->nm_com.nmcom_mtx
)))))->mtx_lock, ((0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
), (4512));
4513 ds = nfsrv_deldsnmp(PNFSDOP_DELDSSERVER1,
4514 failnmp, p);
4515 NFSD_DEBUG(4, "dsldsnmp fail=%d ds=%p\n",do { if (nfsd_debuglevel >= (4)) printf("dsldsnmp fail=%d ds=%p\n"
, failpos, ds); } while (0)
4516 failpos, ds)do { if (nfsd_debuglevel >= (4)) printf("dsldsnmp fail=%d ds=%p\n"
, failpos, ds); } while (0);
4517 if (ds != NULL((void *)0))
4518 nfsrv_killrpcs(failnmp);
4519 NFSLOCKMNT(failnmp)__mtx_lock_flags(&((((&((failnmp)->nm_com.nmcom_mtx
)))))->mtx_lock, ((0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
), (4519));
4520 failnmp->nm_privflag &= ~NFSMNTP_CANCELRPCS0x00000002;
4521 wakeup(failnmp);
4522 }
4523 NFSUNLOCKMNT(failnmp)__mtx_unlock_flags(&((((&((failnmp)->nm_com.nmcom_mtx
)))))->mtx_lock, ((0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
), (4523));
4524 }
4525 for (i = 0; i < mirrorcnt; i++)
4526 NFSVOPUNLOCK(dvp[i], 0)VOP_UNLOCK((dvp[i]), (0));
4527 NFSD_DEBUG(4, "nfsrv_proxyds: aft RPC=%d trya=%d\n", error,do { if (nfsd_debuglevel >= (4)) printf("nfsrv_proxyds: aft RPC=%d trya=%d\n"
, error, trycnt); } while (0)
4528 trycnt)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_proxyds: aft RPC=%d trya=%d\n"
, error, trycnt); } while (0);
4529 /* Try the Read/Getattr again if a mirror was deleted. */
4530 if (ds != NULL((void *)0) && trycnt > 0 && trycnt < origmircnt)
4531 goto tryagain;
4532 } else {
4533 /* Return ENOENT for any Extended Attribute error. */
4534 error = ENOENT2;
4535 }
4536 free(buf, M_TEMP);
4537 NFSD_DEBUG(4, "nfsrv_proxyds: error=%d\n", error)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_proxyds: error=%d\n"
, error); } while (0);
4538 return (error);
4539}
4540
4541/*
4542 * Get the DS mount point, fh and directory from the "pnfsd.dsfile" extended
4543 * attribute.
4544 * newnmpp - If it points to a non-NULL nmp, that is the destination and needs
4545 * to be checked. If it points to a NULL nmp, then it returns
4546 * a suitable destination.
4547 * curnmp - If non-NULL, it is the source mount for the copy.
4548 */
4549int
4550nfsrv_dsgetsockmnt(struct vnode *vp, int lktype, char *buf, int *buflenp,
4551 int *mirrorcntp, NFSPROC_Tstruct thread *p, struct vnode **dvpp, fhandle_t *fhp,
4552 char *devid, char *fnamep, struct vnode **nvpp, struct nfsmount **newnmpp,
4553 struct nfsmount *curnmp, int *ippos, int *dsdirp)
4554{
4555 struct vnode *dvp, *nvp, **tdvpp;
4556 struct mount *mp;
4557 struct nfsmount *nmp, *newnmp;
4558 struct sockaddr *sad;
4559 struct sockaddr_in *sin;
4560 struct nfsdevice *ds, *tds, *fndds;
4561 struct pnfsdsfile *pf;
4562 uint32_t dsdir;
4563 int error, fhiszero, fnd, gotone, i, mirrorcnt;
4564
4565 ASSERT_VOP_LOCKED(vp, "nfsrv_dsgetsockmnt vp")((void)0);
4566 *mirrorcntp = 1;
4567 tdvpp = dvpp;
4568 if (nvpp != NULL((void *)0))
4569 *nvpp = NULL((void *)0);
4570 if (dvpp != NULL((void *)0))
4571 *dvpp = NULL((void *)0);
4572 if (ippos != NULL((void *)0))
4573 *ippos = -1;
4574 if (newnmpp != NULL((void *)0))
4575 newnmp = *newnmpp;
4576 else
4577 newnmp = NULL((void *)0);
4578 mp = vp->v_mount;
4579 error = vn_extattr_get(vp, IO_NODELOCKED0x0008, EXTATTR_NAMESPACE_SYSTEM0x00000002,
4580 "pnfsd.dsfile", buflenp, buf, p);
4581 mirrorcnt = *buflenp / sizeof(*pf);
4582 if (error == 0 && (mirrorcnt < 1 || mirrorcnt > NFSDEV_MAXMIRRORS4 ||
4583 *buflenp != sizeof(*pf) * mirrorcnt))
4584 error = ENOATTR87;
4585
4586 pf = (struct pnfsdsfile *)buf;
4587 /* If curnmp != NULL, check for a match in the mirror list. */
4588 if (curnmp != NULL((void *)0) && error == 0) {
4589 fnd = 0;
4590 for (i = 0; i < mirrorcnt; i++, pf++) {
4591 sad = (struct sockaddr *)&pf->dsf_sindsf_nam.sin;
4592 if (nfsaddr2_match(sad, curnmp->nm_namnm_sockreq.nr_nam)) {
4593 if (ippos != NULL((void *)0))
4594 *ippos = i;
4595 fnd = 1;
4596 break;
4597 }
4598 }
4599 if (fnd == 0)
4600 error = ENXIO6;
4601 }
4602
4603 gotone = 0;
4604 pf = (struct pnfsdsfile *)buf;
4605 NFSD_DEBUG(4, "nfsrv_dsgetsockmnt: mirrorcnt=%d err=%d\n", mirrorcnt,do { if (nfsd_debuglevel >= (4)) printf("nfsrv_dsgetsockmnt: mirrorcnt=%d err=%d\n"
, mirrorcnt, error); } while (0)
4606 error)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_dsgetsockmnt: mirrorcnt=%d err=%d\n"
, mirrorcnt, error); } while (0);
4607 for (i = 0; i < mirrorcnt && error == 0; i++, pf++) {
4608 fhiszero = 0;
4609 sad = (struct sockaddr *)&pf->dsf_sindsf_nam.sin;
4610 sin = &pf->dsf_sindsf_nam.sin;
4611 dsdir = pf->dsf_dir;
4612 if (dsdir >= nfsrv_dsdirsize) {
4613 printf("nfsrv_dsgetsockmnt: dsdir=%d\n", dsdir);
4614 error = ENOATTR87;
4615 } else if (nvpp != NULL((void *)0) && newnmp != NULL((void *)0) &&
4616 nfsaddr2_match(sad, newnmp->nm_namnm_sockreq.nr_nam))
4617 error = EEXIST17;
4618 if (error == 0) {
4619 if (ippos != NULL((void *)0) && curnmp == NULL((void *)0) &&
4620 sad->sa_family == AF_INET2 &&
4621 sin->sin_addr.s_addr == 0)
4622 *ippos = i;
4623 if (NFSBCMP(&zerofh, &pf->dsf_fh, sizeof(zerofh))__builtin_memcmp(((&zerofh)), ((&pf->dsf_fh)), ((sizeof
(zerofh)))) == 0)
4624 fhiszero = 1;
4625 /* Use the socket address to find the mount point. */
4626 fndds = NULL((void *)0);
4627 NFSDDSLOCK()__mtx_lock_flags(&((((&nfsrv_dslock_mtx))))->mtx_lock
, ((0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"), (
4627));
4628 /* Find a match for the IP address. */
4629 TAILQ_FOREACH(ds, &nfsrv_devidhead, nfsdev_list)for ((ds) = (((&nfsrv_devidhead))->tqh_first); (ds); (
ds) = (((ds))->nfsdev_list.tqe_next)) {
4630 if (ds->nfsdev_nmp != NULL((void *)0)) {
4631 dvp = ds->nfsdev_dvp;
4632 nmp = VFSTONFS(dvp->v_mount)((struct nfsmount *)((dvp->v_mount)->mnt_data));
4633 if (nmp != ds->nfsdev_nmp)
4634 printf("different2 nmp %p %p\n",
4635 nmp, ds->nfsdev_nmp);
4636 if (nfsaddr2_match(sad, nmp->nm_namnm_sockreq.nr_nam)) {
4637 fndds = ds;
4638 break;
4639 }
4640 }
4641 }
4642 if (fndds != NULL((void *)0) && newnmpp != NULL((void *)0) &&
4643 newnmp == NULL((void *)0)) {
4644 /* Search for a place to make a mirror copy. */
4645 TAILQ_FOREACH(tds, &nfsrv_devidhead,for ((tds) = (((&nfsrv_devidhead))->tqh_first); (tds);
(tds) = (((tds))->nfsdev_list.tqe_next))
4646 nfsdev_list)for ((tds) = (((&nfsrv_devidhead))->tqh_first); (tds);
(tds) = (((tds))->nfsdev_list.tqe_next)) {
4647 if (tds->nfsdev_nmp != NULL((void *)0) &&
4648 fndds != tds &&
4649 ((tds->nfsdev_mdsisset == 0 &&
4650 fndds->nfsdev_mdsisset == 0) ||
4651 (tds->nfsdev_mdsisset != 0 &&
4652 fndds->nfsdev_mdsisset != 0 &&
4653 tds->nfsdev_mdsfsid.val[0] ==
4654 mp->mnt_stat.f_fsid.val[0] &&
4655 tds->nfsdev_mdsfsid.val[1] ==
4656 mp->mnt_stat.f_fsid.val[1]))) {
4657 *newnmpp = tds->nfsdev_nmp;
4658 break;
4659 }
4660 }
4661 if (tds != NULL((void *)0)) {
4662 /*
4663 * Move this entry to the end of the
4664 * list, so it won't be selected as
4665 * easily the next time.
4666 */
4667 TAILQ_REMOVE(&nfsrv_devidhead, tds,do { ; ; do { if ((((tds))->nfsdev_list.tqe_next) != ((void
*)0) && (((tds))->nfsdev_list.tqe_next)->nfsdev_list
.tqe_prev != &((tds)->nfsdev_list.tqe_next)) panic("Bad link elm %p next->prev != elm"
, (tds)); } while (0); do { if (*(tds)->nfsdev_list.tqe_prev
!= (tds)) panic("Bad link elm %p prev->next != elm", (tds
)); } while (0); if (((((tds))->nfsdev_list.tqe_next)) != (
(void *)0)) (((tds))->nfsdev_list.tqe_next)->nfsdev_list
.tqe_prev = (tds)->nfsdev_list.tqe_prev; else { (&nfsrv_devidhead
)->tqh_last = (tds)->nfsdev_list.tqe_prev; ; } *(tds)->
nfsdev_list.tqe_prev = (((tds))->nfsdev_list.tqe_next); ; ;
; } while (0)
4668 nfsdev_list)do { ; ; do { if ((((tds))->nfsdev_list.tqe_next) != ((void
*)0) && (((tds))->nfsdev_list.tqe_next)->nfsdev_list
.tqe_prev != &((tds)->nfsdev_list.tqe_next)) panic("Bad link elm %p next->prev != elm"
, (tds)); } while (0); do { if (*(tds)->nfsdev_list.tqe_prev
!= (tds)) panic("Bad link elm %p prev->next != elm", (tds
)); } while (0); if (((((tds))->nfsdev_list.tqe_next)) != (
(void *)0)) (((tds))->nfsdev_list.tqe_next)->nfsdev_list
.tqe_prev = (tds)->nfsdev_list.tqe_prev; else { (&nfsrv_devidhead
)->tqh_last = (tds)->nfsdev_list.tqe_prev; ; } *(tds)->
nfsdev_list.tqe_prev = (((tds))->nfsdev_list.tqe_next); ; ;
; } while (0);
4669 TAILQ_INSERT_TAIL(&nfsrv_devidhead, tds,do { do { if (*(&nfsrv_devidhead)->tqh_last != ((void *
)0)) panic("Bad tailq NEXT(%p->tqh_last) != NULL", (&nfsrv_devidhead
)); } while (0); (((tds))->nfsdev_list.tqe_next) = ((void *
)0); (tds)->nfsdev_list.tqe_prev = (&nfsrv_devidhead)->
tqh_last; *(&nfsrv_devidhead)->tqh_last = (tds); (&
nfsrv_devidhead)->tqh_last = &(((tds))->nfsdev_list
.tqe_next); ; ; } while (0)
4670 nfsdev_list)do { do { if (*(&nfsrv_devidhead)->tqh_last != ((void *
)0)) panic("Bad tailq NEXT(%p->tqh_last) != NULL", (&nfsrv_devidhead
)); } while (0); (((tds))->nfsdev_list.tqe_next) = ((void *
)0); (tds)->nfsdev_list.tqe_prev = (&nfsrv_devidhead)->
tqh_last; *(&nfsrv_devidhead)->tqh_last = (tds); (&
nfsrv_devidhead)->tqh_last = &(((tds))->nfsdev_list
.tqe_next); ; ; } while (0);
4671 }
4672 }
4673 NFSDDSUNLOCK()__mtx_unlock_flags(&((((&nfsrv_dslock_mtx))))->mtx_lock
, ((0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"), (
4673));
4674 if (fndds != NULL((void *)0)) {
4675 dvp = fndds->nfsdev_dsdir[dsdir];
4676 if (lktype != 0 || fhiszero != 0 ||
4677 (nvpp != NULL((void *)0) && *nvpp == NULL((void *)0))) {
4678 if (fhiszero != 0)
4679 error = vn_lock(dvp,_vn_lock(dvp, 0x080000, "/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
, 4680)
4680 LK_EXCLUSIVE)_vn_lock(dvp, 0x080000, "/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
, 4680);
4681 else if (lktype != 0)
4682 error = vn_lock(dvp, lktype)_vn_lock(dvp, lktype, "/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
, 4682);
4683 else
4684 error = vn_lock(dvp, LK_SHARED)_vn_lock(dvp, 0x200000, "/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"
, 4684);
4685 /*
4686 * If the file handle is all 0's, try to
4687 * do a Lookup against the DS to acquire
4688 * it.
4689 * If dvpp == NULL or the Lookup fails,
4690 * unlock dvp after the call.
4691 */
4692 if (error == 0 && (fhiszero != 0 ||
4693 (nvpp != NULL((void *)0) && *nvpp == NULL((void *)0)))) {
4694 error = nfsrv_pnfslookupds(vp,
4695 dvp, pf, &nvp, p);
4696 if (error == 0) {
4697 if (fhiszero != 0)
4698 nfsrv_pnfssetfh(
4699 vp, pf,
4700 devid,
4701 fnamep,
4702 nvp, p);
4703 if (nvpp != NULL((void *)0) &&
4704 *nvpp == NULL((void *)0)) {
4705 *nvpp = nvp;
4706 *dsdirp = dsdir;
4707 } else
4708 vput(nvp);
4709 }
4710 if (error != 0 || lktype == 0)
4711 NFSVOPUNLOCK(dvp, 0)VOP_UNLOCK((dvp), (0));
4712 }
4713 }
4714 if (error == 0) {
4715 gotone++;
4716 NFSD_DEBUG(4, "gotone=%d\n", gotone)do { if (nfsd_debuglevel >= (4)) printf("gotone=%d\n", gotone
); } while (0);
4717 if (devid != NULL((void *)0)) {
4718 NFSBCOPY(fndds->nfsdev_deviceid,__builtin_memmove(((devid)), ((fndds->nfsdev_deviceid)), (
(16)))
4719 devid, NFSX_V4DEVICEID)__builtin_memmove(((devid)), ((fndds->nfsdev_deviceid)), (
(16)));
4720 devid += NFSX_V4DEVICEID16;
4721 }
4722 if (dvpp != NULL((void *)0))
4723 *tdvpp++ = dvp;
4724 if (fhp != NULL((void *)0))
4725 NFSBCOPY(&pf->dsf_fh, fhp++,__builtin_memmove(((fhp++)), ((&pf->dsf_fh)), (((sizeof
(fhandle_t)))))
4726 NFSX_MYFH)__builtin_memmove(((fhp++)), ((&pf->dsf_fh)), (((sizeof
(fhandle_t)))));
4727 if (fnamep != NULL((void *)0) && gotone == 1)
4728 strlcpy(fnamep,
4729 pf->dsf_filename,
4730 sizeof(pf->dsf_filename));
4731 } else
4732 NFSD_DEBUG(4, "nfsrv_dsgetsockmnt "do { if (nfsd_debuglevel >= (4)) printf("nfsrv_dsgetsockmnt "
"err=%d\n", error); } while (0)
4733 "err=%d\n", error)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_dsgetsockmnt "
"err=%d\n", error); } while (0);
4734 }
4735 }
4736 }
4737 if (error == 0 && gotone == 0)
4738 error = ENOENT2;
4739
4740 NFSD_DEBUG(4, "eo nfsrv_dsgetsockmnt: gotone=%d err=%d\n", gotone,do { if (nfsd_debuglevel >= (4)) printf("eo nfsrv_dsgetsockmnt: gotone=%d err=%d\n"
, gotone, error); } while (0)
4741 error)do { if (nfsd_debuglevel >= (4)) printf("eo nfsrv_dsgetsockmnt: gotone=%d err=%d\n"
, gotone, error); } while (0);
4742 if (error == 0)
4743 *mirrorcntp = gotone;
4744 else {
4745 if (gotone > 0 && dvpp != NULL((void *)0)) {
4746 /*
4747 * If the error didn't occur on the first one and
4748 * dvpp != NULL, the one(s) prior to the failure will
4749 * have locked dvp's that need to be unlocked.
4750 */
4751 for (i = 0; i < gotone; i++) {
4752 NFSVOPUNLOCK(*dvpp, 0)VOP_UNLOCK((*dvpp), (0));
4753 *dvpp++ = NULL((void *)0);
4754 }
4755 }
4756 /*
4757 * If it found the vnode to be copied from before a failure,
4758 * it needs to be vput()'d.
4759 */
4760 if (nvpp != NULL((void *)0) && *nvpp != NULL((void *)0)) {
4761 vput(*nvpp);
4762 *nvpp = NULL((void *)0);
4763 }
4764 }
4765 return (error);
4766}
4767
4768/*
4769 * Set the extended attribute for the Change attribute.
4770 */
4771static int
4772nfsrv_setextattr(struct vnode *vp, struct nfsvattr *nap, NFSPROC_Tstruct thread *p)
4773{
4774 struct pnfsdsattr dsattr;
4775 int error;
4776
4777 ASSERT_VOP_ELOCKED(vp, "nfsrv_setextattr vp")((void)0);
4778 dsattr.dsa_filerev = nap->na_filerevna_vattr.va_filerev;
4779 dsattr.dsa_size = nap->na_sizena_vattr.va_size;
4780 dsattr.dsa_atime = nap->na_atimena_vattr.va_atime;
4781 dsattr.dsa_mtime = nap->na_mtimena_vattr.va_mtime;
4782 error = vn_extattr_set(vp, IO_NODELOCKED0x0008, EXTATTR_NAMESPACE_SYSTEM0x00000002,
4783 "pnfsd.dsattr", sizeof(dsattr), (char *)&dsattr, p);
4784 if (error != 0)
4785 printf("pNFS: setextattr=%d\n", error);
4786 return (error);
4787}
4788
4789static int
4790nfsrv_readdsrpc(fhandle_t *fhp, off_t off, int len, struct ucred *cred,
4791 NFSPROC_Tstruct thread *p, struct nfsmount *nmp, struct mbuf **mpp, struct mbuf **mpendp)
4792{
4793 uint32_t *tl;
4794 struct nfsrv_descript *nd;
4795 nfsv4stateid_t st;
4796 struct mbuf *m, *m2;
4797 int error = 0, retlen, tlen, trimlen;
4798
4799 NFSD_DEBUG(4, "in nfsrv_readdsrpc\n")do { if (nfsd_debuglevel >= (4)) printf("in nfsrv_readdsrpc\n"
); } while (0);
4800 nd = malloc(sizeof(*nd), M_TEMP, M_WAITOK0x0002 | M_ZERO0x0100);
4801 *mpp = NULL((void *)0);
4802 /*
4803 * Use a stateid where other is an alternating 01010 pattern and
4804 * seqid is 0xffffffff. This value is not defined as special by
4805 * the RFC and is used by the FreeBSD NFS server to indicate an
4806 * MDS->DS proxy operation.
4807 */
4808 st.other[0] = 0x55555555;
4809 st.other[1] = 0x55555555;
4810 st.other[2] = 0x55555555;
4811 st.seqid = 0xffffffff;
4812 nfscl_reqstart(nd, NFSPROC_READDS52, nmp, (u_int8_t *)fhp, sizeof(*fhp),
4813 NULL((void *)0), NULL((void *)0), 0, 0);
4814 nfsm_stateidtom(nd, &st, NFSSTATEID_PUTSTATEID2);
4815 NFSM_BUILD(tl, uint32_t *, NFSX_UNSIGNED * 3)((tl) = (uint32_t *)nfsm_build(nd, (4 * 3)));
4816 txdr_hyper(off, tl)do { ((u_int32_t *)(tl))[0] = (__builtin_constant_p((u_int32_t
)((off) >> 32)) ? (((__uint32_t)((__uint16_t)(__builtin_constant_p
(((__uint32_t)((u_int32_t)((off) >> 32))) & 0xffff)
? (__uint16_t)(((__uint16_t)(((__uint32_t)((u_int32_t)((off)
>> 32))) & 0xffff)) << 8 | ((__uint16_t)(((__uint32_t
)((u_int32_t)((off) >> 32))) & 0xffff)) >> 8)
: __bswap16_var(((__uint32_t)((u_int32_t)((off) >> 32)
)) & 0xffff))) << 16) | ((__uint16_t)(__builtin_constant_p
(((__uint32_t)((u_int32_t)((off) >> 32))) >> 16) ?
(__uint16_t)(((__uint16_t)(((__uint32_t)((u_int32_t)((off) >>
32))) >> 16)) << 8 | ((__uint16_t)(((__uint32_t)
((u_int32_t)((off) >> 32))) >> 16)) >> 8) :
__bswap16_var(((__uint32_t)((u_int32_t)((off) >> 32)))
>> 16)))) : __bswap32_var((u_int32_t)((off) >> 32
))); ((u_int32_t *)(tl))[1] = (__builtin_constant_p((u_int32_t
)((off) & 0xffffffff)) ? (((__uint32_t)((__uint16_t)(__builtin_constant_p
(((__uint32_t)((u_int32_t)((off) & 0xffffffff))) & 0xffff
) ? (__uint16_t)(((__uint16_t)(((__uint32_t)((u_int32_t)((off
) & 0xffffffff))) & 0xffff)) << 8 | ((__uint16_t
)(((__uint32_t)((u_int32_t)((off) & 0xffffffff))) & 0xffff
)) >> 8) : __bswap16_var(((__uint32_t)((u_int32_t)((off
) & 0xffffffff))) & 0xffff))) << 16) | ((__uint16_t
)(__builtin_constant_p(((__uint32_t)((u_int32_t)((off) & 0xffffffff
))) >> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)((
u_int32_t)((off) & 0xffffffff))) >> 16)) << 8
| ((__uint16_t)(((__uint32_t)((u_int32_t)((off) & 0xffffffff
))) >> 16)) >> 8) : __bswap16_var(((__uint32_t)((
u_int32_t)((off) & 0xffffffff))) >> 16)))) : __bswap32_var
((u_int32_t)((off) & 0xffffffff))); } while (0);
4817 *(tl + 2) = txdr_unsigned(len)((__builtin_constant_p((int32_t)(len)) ? (((__uint32_t)((__uint16_t
)(__builtin_constant_p(((__uint32_t)((int32_t)(len))) & 0xffff
) ? (__uint16_t)(((__uint16_t)(((__uint32_t)((int32_t)(len)))
& 0xffff)) << 8 | ((__uint16_t)(((__uint32_t)((int32_t
)(len))) & 0xffff)) >> 8) : __bswap16_var(((__uint32_t
)((int32_t)(len))) & 0xffff))) << 16) | ((__uint16_t
)(__builtin_constant_p(((__uint32_t)((int32_t)(len))) >>
16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)((int32_t)(len
))) >> 16)) << 8 | ((__uint16_t)(((__uint32_t)((int32_t
)(len))) >> 16)) >> 8) : __bswap16_var(((__uint32_t
)((int32_t)(len))) >> 16)))) : __bswap32_var((int32_t)(
len))));
4818 error = newnfs_request(nd, nmp, NULL((void *)0), &nmp->nm_sockreq, NULL((void *)0), p, cred,
4819 NFS_PROG100003, NFS_VER44, NULL((void *)0), 1, NULL((void *)0), NULL((void *)0));
4820 if (error != 0) {
4821 free(nd, M_TEMP);
4822 return (error);
4823 }
4824 if (nd->nd_repstat == 0) {
4825 NFSM_DISSECT(tl, u_int32_t *, NFSX_UNSIGNED)do { (tl) = (u_int32_t *)nfsm_dissect(nd, (4)); if ((tl) == (
(void *)0)) { error = 72; goto nfsmout; } } while (0);
4826 NFSM_STRSIZ(retlen, len)do { tl = (u_int32_t *)nfsm_dissect(nd, 4); if (!tl || ((retlen
) = ((int32_t)(__builtin_constant_p((int32_t)(*tl)) ? (((__uint32_t
)((__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*
tl))) & 0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t
)((int32_t)(*tl))) & 0xffff)) << 8 | ((__uint16_t)(
((__uint32_t)((int32_t)(*tl))) & 0xffff)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) & 0xffff))) << 16) |
((__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*
tl))) >> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)
((int32_t)(*tl))) >> 16)) << 8 | ((__uint16_t)(((
__uint32_t)((int32_t)(*tl))) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) >> 16)))) : __bswap32_var
((int32_t)(*tl))))) > (len)) { error = 72; goto nfsmout; }
} while (0);
4827 if (retlen > 0) {
4828 /* Trim off the pre-data XDR from the mbuf chain. */
4829 m = nd->nd_mrep;
4830 while (m != NULL((void *)0) && m != nd->nd_md) {
4831 if (m->m_next == nd->nd_md) {
4832 m->m_next = NULL((void *)0);
4833 m_freem(nd->nd_mrep);
4834 nd->nd_mrep = m = nd->nd_md;
4835 } else
4836 m = m->m_next;
4837 }
4838 if (m == NULL((void *)0)) {
4839 printf("nfsrv_readdsrpc: busted mbuf list\n");
4840 error = ENOENT2;
4841 goto nfsmout;
4842 }
4843
4844 /*
4845 * Now, adjust first mbuf so that any XDR before the
4846 * read data is skipped over.
4847 */
4848 trimlen = nd->nd_dpos - mtod(m, char *)((char *)((m)->m_data));
4849 if (trimlen > 0) {
4850 m->m_len -= trimlen;
4851 NFSM_DATAP(m, trimlen)(m)->m_data += (trimlen);
4852 }
4853
4854 /*
4855 * Truncate the mbuf chain at retlen bytes of data,
4856 * plus XDR padding that brings the length up to a
4857 * multiple of 4.
4858 */
4859 tlen = NFSM_RNDUP(retlen)(((retlen)+3)&(~0x3));
4860 do {
4861 if (m->m_len >= tlen) {
4862 m->m_len = tlen;
4863 tlen = 0;
4864 m2 = m->m_next;
4865 m->m_next = NULL((void *)0);
4866 m_freem(m2);
4867 break;
4868 }
4869 tlen -= m->m_len;
4870 m = m->m_next;
4871 } while (m != NULL((void *)0));
4872 if (tlen > 0) {
4873 printf("nfsrv_readdsrpc: busted mbuf list\n");
4874 error = ENOENT2;
4875 goto nfsmout;
4876 }
4877 *mpp = nd->nd_mrep;
4878 *mpendp = m;
4879 nd->nd_mrep = NULL((void *)0);
4880 }
4881 } else
4882 error = nd->nd_repstat;
4883nfsmout:
4884 /* If nd->nd_mrep is already NULL, this is a no-op. */
4885 m_freem(nd->nd_mrep);
4886 free(nd, M_TEMP);
4887 NFSD_DEBUG(4, "nfsrv_readdsrpc error=%d\n", error)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_readdsrpc error=%d\n"
, error); } while (0);
4888 return (error);
4889}
4890
4891/*
4892 * Do a write RPC on a DS data file, using this structure for the arguments,
4893 * so that this function can be executed by a separate kernel process.
4894 */
4895struct nfsrvwritedsdorpc {
4896 int done;
4897 int inprog;
4898 struct task tsk;
4899 fhandle_t fh;
4900 off_t off;
4901 int len;
4902 struct nfsmount *nmp;
4903 struct ucred *cred;
4904 NFSPROC_Tstruct thread *p;
4905 struct mbuf *m;
4906 int err;
4907};
4908
4909static int
4910nfsrv_writedsdorpc(struct nfsmount *nmp, fhandle_t *fhp, off_t off, int len,
4911 struct nfsvattr *nap, struct mbuf *m, struct ucred *cred, NFSPROC_Tstruct thread *p)
4912{
4913 uint32_t *tl;
4914 struct nfsrv_descript *nd;
4915 nfsattrbit_t attrbits;
4916 nfsv4stateid_t st;
4917 int commit, error, retlen;
4918
4919 nd = malloc(sizeof(*nd), M_TEMP, M_WAITOK0x0002 | M_ZERO0x0100);
4920 nfscl_reqstart(nd, NFSPROC_WRITE7, nmp, (u_int8_t *)fhp,
4921 sizeof(fhandle_t), NULL((void *)0), NULL((void *)0), 0, 0);
4922
4923 /*
4924 * Use a stateid where other is an alternating 01010 pattern and
4925 * seqid is 0xffffffff. This value is not defined as special by
4926 * the RFC and is used by the FreeBSD NFS server to indicate an
4927 * MDS->DS proxy operation.
4928 */
4929 st.other[0] = 0x55555555;
4930 st.other[1] = 0x55555555;
4931 st.other[2] = 0x55555555;
4932 st.seqid = 0xffffffff;
4933 nfsm_stateidtom(nd, &st, NFSSTATEID_PUTSTATEID2);
4934 NFSM_BUILD(tl, u_int32_t *, NFSX_HYPER + 2 * NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, ((2 * 4) + 2 * 4)));
4935 txdr_hyper(off, tl)do { ((u_int32_t *)(tl))[0] = (__builtin_constant_p((u_int32_t
)((off) >> 32)) ? (((__uint32_t)((__uint16_t)(__builtin_constant_p
(((__uint32_t)((u_int32_t)((off) >> 32))) & 0xffff)
? (__uint16_t)(((__uint16_t)(((__uint32_t)((u_int32_t)((off)
>> 32))) & 0xffff)) << 8 | ((__uint16_t)(((__uint32_t
)((u_int32_t)((off) >> 32))) & 0xffff)) >> 8)
: __bswap16_var(((__uint32_t)((u_int32_t)((off) >> 32)
)) & 0xffff))) << 16) | ((__uint16_t)(__builtin_constant_p
(((__uint32_t)((u_int32_t)((off) >> 32))) >> 16) ?
(__uint16_t)(((__uint16_t)(((__uint32_t)((u_int32_t)((off) >>
32))) >> 16)) << 8 | ((__uint16_t)(((__uint32_t)
((u_int32_t)((off) >> 32))) >> 16)) >> 8) :
__bswap16_var(((__uint32_t)((u_int32_t)((off) >> 32)))
>> 16)))) : __bswap32_var((u_int32_t)((off) >> 32
))); ((u_int32_t *)(tl))[1] = (__builtin_constant_p((u_int32_t
)((off) & 0xffffffff)) ? (((__uint32_t)((__uint16_t)(__builtin_constant_p
(((__uint32_t)((u_int32_t)((off) & 0xffffffff))) & 0xffff
) ? (__uint16_t)(((__uint16_t)(((__uint32_t)((u_int32_t)((off
) & 0xffffffff))) & 0xffff)) << 8 | ((__uint16_t
)(((__uint32_t)((u_int32_t)((off) & 0xffffffff))) & 0xffff
)) >> 8) : __bswap16_var(((__uint32_t)((u_int32_t)((off
) & 0xffffffff))) & 0xffff))) << 16) | ((__uint16_t
)(__builtin_constant_p(((__uint32_t)((u_int32_t)((off) & 0xffffffff
))) >> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)((
u_int32_t)((off) & 0xffffffff))) >> 16)) << 8
| ((__uint16_t)(((__uint32_t)((u_int32_t)((off) & 0xffffffff
))) >> 16)) >> 8) : __bswap16_var(((__uint32_t)((
u_int32_t)((off) & 0xffffffff))) >> 16)))) : __bswap32_var
((u_int32_t)((off) & 0xffffffff))); } while (0);
4936 tl += 2;
4937 /*
4938 * Do all writes FileSync, since the server doesn't hold onto dirty
4939 * buffers. Since clients should be accessing the DS servers directly
4940 * using the pNFS layouts, this just needs to work correctly as a
4941 * fallback.
4942 */
4943 *tl++ = txdr_unsigned(NFSWRITE_FILESYNC)((__builtin_constant_p((int32_t)(2)) ? (((__uint32_t)((__uint16_t
)(__builtin_constant_p(((__uint32_t)((int32_t)(2))) & 0xffff
) ? (__uint16_t)(((__uint16_t)(((__uint32_t)((int32_t)(2))) &
0xffff)) << 8 | ((__uint16_t)(((__uint32_t)((int32_t)(
2))) & 0xffff)) >> 8) : __bswap16_var(((__uint32_t)
((int32_t)(2))) & 0xffff))) << 16) | ((__uint16_t)(
__builtin_constant_p(((__uint32_t)((int32_t)(2))) >> 16
) ? (__uint16_t)(((__uint16_t)(((__uint32_t)((int32_t)(2))) >>
16)) << 8 | ((__uint16_t)(((__uint32_t)((int32_t)(2)))
>> 16)) >> 8) : __bswap16_var(((__uint32_t)((int32_t
)(2))) >> 16)))) : __bswap32_var((int32_t)(2))));
4944 *tl = txdr_unsigned(len)((__builtin_constant_p((int32_t)(len)) ? (((__uint32_t)((__uint16_t
)(__builtin_constant_p(((__uint32_t)((int32_t)(len))) & 0xffff
) ? (__uint16_t)(((__uint16_t)(((__uint32_t)((int32_t)(len)))
& 0xffff)) << 8 | ((__uint16_t)(((__uint32_t)((int32_t
)(len))) & 0xffff)) >> 8) : __bswap16_var(((__uint32_t
)((int32_t)(len))) & 0xffff))) << 16) | ((__uint16_t
)(__builtin_constant_p(((__uint32_t)((int32_t)(len))) >>
16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)((int32_t)(len
))) >> 16)) << 8 | ((__uint16_t)(((__uint32_t)((int32_t
)(len))) >> 16)) >> 8) : __bswap16_var(((__uint32_t
)((int32_t)(len))) >> 16)))) : __bswap32_var((int32_t)(
len))));
4945 NFSD_DEBUG(4, "nfsrv_writedsdorpc: len=%d\n", len)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_writedsdorpc: len=%d\n"
, len); } while (0);
4946
4947 /* Put data in mbuf chain. */
4948 nd->nd_mb->m_next = m;
4949
4950 /* Set nd_mb and nd_bpos to end of data. */
4951 while (m->m_next != NULL((void *)0))
4952 m = m->m_next;
4953 nd->nd_mb = m;
4954 nd->nd_bpos = mtod(m, char *)((char *)((m)->m_data)) + m->m_len;
4955 NFSD_DEBUG(4, "nfsrv_writedsdorpc: lastmb len=%d\n", m->m_len)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_writedsdorpc: lastmb len=%d\n"
, m->m_len); } while (0);
4956
4957 /* Do a Getattr for Size, Change and Modify Time. */
4958 NFSZERO_ATTRBIT(&attrbits)do { (&attrbits)->bits[0] = 0; (&attrbits)->bits
[1] = 0; (&attrbits)->bits[2] = 0; } while (0);
4959 NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_SIZE)((&attrbits)->bits[(4) / 32] |= (1 << ((4) % 32)
));
4960 NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_CHANGE)((&attrbits)->bits[(3) / 32] |= (1 << ((3) % 32)
));
4961 NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_TIMEACCESS)((&attrbits)->bits[(47) / 32] |= (1 << ((47) % 32
)));
4962 NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_TIMEMODIFY)((&attrbits)->bits[(53) / 32] |= (1 << ((53) % 32
)));
4963 NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (4)));
4964 *tl = txdr_unsigned(NFSV4OP_GETATTR)((__builtin_constant_p((int32_t)(9)) ? (((__uint32_t)((__uint16_t
)(__builtin_constant_p(((__uint32_t)((int32_t)(9))) & 0xffff
) ? (__uint16_t)(((__uint16_t)(((__uint32_t)((int32_t)(9))) &
0xffff)) << 8 | ((__uint16_t)(((__uint32_t)((int32_t)(
9))) & 0xffff)) >> 8) : __bswap16_var(((__uint32_t)
((int32_t)(9))) & 0xffff))) << 16) | ((__uint16_t)(
__builtin_constant_p(((__uint32_t)((int32_t)(9))) >> 16
) ? (__uint16_t)(((__uint16_t)(((__uint32_t)((int32_t)(9))) >>
16)) << 8 | ((__uint16_t)(((__uint32_t)((int32_t)(9)))
>> 16)) >> 8) : __bswap16_var(((__uint32_t)((int32_t
)(9))) >> 16)))) : __bswap32_var((int32_t)(9))));
4965 (void) nfsrv_putattrbit(nd, &attrbits);
4966 error = newnfs_request(nd, nmp, NULL((void *)0), &nmp->nm_sockreq, NULL((void *)0), p,
4967 cred, NFS_PROG100003, NFS_VER44, NULL((void *)0), 1, NULL((void *)0), NULL((void *)0));
4968 if (error != 0) {
4969 free(nd, M_TEMP);
4970 return (error);
4971 }
4972 NFSD_DEBUG(4, "nfsrv_writedsdorpc: aft writerpc=%d\n", nd->nd_repstat)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_writedsdorpc: aft writerpc=%d\n"
, nd->nd_repstat); } while (0);
4973 /* Get rid of weak cache consistency data for now. */
4974 if ((nd->nd_flag & (ND_NOMOREDATA0x00008000 | ND_NFSV40x00000010 | ND_V4WCCATTR0x00010000)) ==
4975 (ND_NFSV40x00000010 | ND_V4WCCATTR0x00010000)) {
4976 error = nfsv4_loadattr(nd, NULL((void *)0), nap, NULL((void *)0), NULL((void *)0), 0, NULL((void *)0), NULL((void *)0),
4977 NULL((void *)0), NULL((void *)0), NULL((void *)0), 0, NULL((void *)0), NULL((void *)0), NULL((void *)0), NULL((void *)0), NULL((void *)0));
4978 NFSD_DEBUG(4, "nfsrv_writedsdorpc: wcc attr=%d\n", error)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_writedsdorpc: wcc attr=%d\n"
, error); } while (0);
4979 if (error != 0)
4980 goto nfsmout;
4981 /*
4982 * Get rid of Op# and status for next op.
4983 */
4984 NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED)do { (tl) = (uint32_t *)nfsm_dissect(nd, (2 * 4)); if ((tl) ==
((void *)0)) { error = 72; goto nfsmout; } } while (0);
4985 if (*++tl != 0)
4986 nd->nd_flag |= ND_NOMOREDATA0x00008000;
4987 }
4988 if (nd->nd_repstat == 0) {
4989 NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED + NFSX_VERF)do { (tl) = (uint32_t *)nfsm_dissect(nd, (2 * 4 + 8)); if ((tl
) == ((void *)0)) { error = 72; goto nfsmout; } } while (0);
4990 retlen = fxdr_unsigned(int, *tl++)((int)(__builtin_constant_p((int32_t)(*tl++)) ? (((__uint32_t
)((__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*
tl++))) & 0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t
)((int32_t)(*tl++))) & 0xffff)) << 8 | ((__uint16_t
)(((__uint32_t)((int32_t)(*tl++))) & 0xffff)) >> 8)
: __bswap16_var(((__uint32_t)((int32_t)(*tl++))) & 0xffff
))) << 16) | ((__uint16_t)(__builtin_constant_p(((__uint32_t
)((int32_t)(*tl++))) >> 16) ? (__uint16_t)(((__uint16_t
)(((__uint32_t)((int32_t)(*tl++))) >> 16)) << 8 |
((__uint16_t)(((__uint32_t)((int32_t)(*tl++))) >> 16))
>> 8) : __bswap16_var(((__uint32_t)((int32_t)(*tl++)))
>> 16)))) : __bswap32_var((int32_t)(*tl++))));
4991 commit = fxdr_unsigned(int, *tl)((int)(__builtin_constant_p((int32_t)(*tl)) ? (((__uint32_t)(
(__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*tl
))) & 0xffff) ? (__uint16_t)(((__uint16_t)(((__uint32_t)(
(int32_t)(*tl))) & 0xffff)) << 8 | ((__uint16_t)(((
__uint32_t)((int32_t)(*tl))) & 0xffff)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) & 0xffff))) << 16) |
((__uint16_t)(__builtin_constant_p(((__uint32_t)((int32_t)(*
tl))) >> 16) ? (__uint16_t)(((__uint16_t)(((__uint32_t)
((int32_t)(*tl))) >> 16)) << 8 | ((__uint16_t)(((
__uint32_t)((int32_t)(*tl))) >> 16)) >> 8) : __bswap16_var
(((__uint32_t)((int32_t)(*tl))) >> 16)))) : __bswap32_var
((int32_t)(*tl))));
4992 if (commit != NFSWRITE_FILESYNC2)
4993 error = NFSERR_IO5;
4994 NFSD_DEBUG(4, "nfsrv_writedsdorpc:retlen=%d commit=%d err=%d\n",do { if (nfsd_debuglevel >= (4)) printf("nfsrv_writedsdorpc:retlen=%d commit=%d err=%d\n"
, retlen, commit, error); } while (0)
4995 retlen, commit, error)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_writedsdorpc:retlen=%d commit=%d err=%d\n"
, retlen, commit, error); } while (0);
4996 } else
4997 error = nd->nd_repstat;
4998 /* We have no use for the Write Verifier since we use FileSync. */
4999
5000 /*
5001 * Get the Change, Size, Access Time and Modify Time attributes and set
5002 * on the Metadata file, so its attributes will be what the file's
5003 * would be if it had been written.
5004 */
5005 if (error == 0) {
5006 NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED)do { (tl) = (uint32_t *)nfsm_dissect(nd, (2 * 4)); if ((tl) ==
((void *)0)) { error = 72; goto nfsmout; } } while (0);
5007 error = nfsv4_loadattr(nd, NULL((void *)0), nap, NULL((void *)0), NULL((void *)0), 0, NULL((void *)0), NULL((void *)0),
5008 NULL((void *)0), NULL((void *)0), NULL((void *)0), 0, NULL((void *)0), NULL((void *)0), NULL((void *)0), NULL((void *)0), NULL((void *)0));
5009 }
5010 NFSD_DEBUG(4, "nfsrv_writedsdorpc: aft loadattr=%d\n", error)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_writedsdorpc: aft loadattr=%d\n"
, error); } while (0);
5011nfsmout:
5012 m_freem(nd->nd_mrep);
5013 free(nd, M_TEMP);
5014 NFSD_DEBUG(4, "nfsrv_writedsdorpc error=%d\n", error)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_writedsdorpc error=%d\n"
, error); } while (0);
5015 return (error);
5016}
5017
5018/*
5019 * Start up the thread that will execute nfsrv_writedsdorpc().
5020 */
5021static void
5022start_writedsdorpc(void *arg, int pending)
5023{
5024 struct nfsrvwritedsdorpc *drpc;
5025
5026 drpc = (struct nfsrvwritedsdorpc *)arg;
5027 drpc->err = nfsrv_writedsdorpc(drpc->nmp, &drpc->fh, drpc->off,
5028 drpc->len, NULL((void *)0), drpc->m, drpc->cred, drpc->p);
5029 drpc->done = 1;
5030 NFSD_DEBUG(4, "start_writedsdorpc: err=%d\n", drpc->err)do { if (nfsd_debuglevel >= (4)) printf("start_writedsdorpc: err=%d\n"
, drpc->err); } while (0);
5031}
5032
5033static int
5034nfsrv_writedsrpc(fhandle_t *fhp, off_t off, int len, struct ucred *cred,
5035 NFSPROC_Tstruct thread *p, struct vnode *vp, struct nfsmount **nmpp, int mirrorcnt,
5036 struct mbuf **mpp, char *cp, int *failposp)
5037{
5038 struct nfsrvwritedsdorpc *drpc, *tdrpc;
5039 struct nfsvattr na;
5040 struct mbuf *m;
5041 int error, i, offs, ret, timo;
5042
5043 NFSD_DEBUG(4, "in nfsrv_writedsrpc\n")do { if (nfsd_debuglevel >= (4)) printf("in nfsrv_writedsrpc\n"
); } while (0);
5044 KASSERT(*mpp != NULL, ("nfsrv_writedsrpc: NULL mbuf chain"))do { if (__builtin_expect((!(*mpp != ((void *)0))), 0)) panic
("nfsrv_writedsrpc: NULL mbuf chain"); } while (0);
5045 drpc = NULL((void *)0);
5046 if (mirrorcnt > 1)
5047 tdrpc = drpc = malloc(sizeof(*drpc) * (mirrorcnt - 1), M_TEMP,
5048 M_WAITOK0x0002);
5049
5050 /* Calculate offset in mbuf chain that data starts. */
5051 offs = cp - mtod(*mpp, char *)((char *)((*mpp)->m_data));
5052 NFSD_DEBUG(4, "nfsrv_writedsrpc: mcopy offs=%d len=%d\n", offs, len)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_writedsrpc: mcopy offs=%d len=%d\n"
, offs, len); } while (0);
5053
5054 /*
5055 * Do the write RPC for every DS, using a separate kernel process
5056 * for every DS except the last one.
5057 */
5058 error = 0;
5059 for (i = 0; i < mirrorcnt - 1; i++, tdrpc++) {
5060 tdrpc->done = 0;
5061 NFSBCOPY(fhp, &tdrpc->fh, sizeof(*fhp))__builtin_memmove(((&tdrpc->fh)), ((fhp)), ((sizeof(*fhp
))));
5062 tdrpc->off = off;
5063 tdrpc->len = len;
5064 tdrpc->nmp = *nmpp;
5065 tdrpc->cred = cred;
5066 tdrpc->p = p;
5067 tdrpc->inprog = 0;
5068 tdrpc->err = 0;
5069 tdrpc->m = m_copym(*mpp, offs, NFSM_RNDUP(len)(((len)+3)&(~0x3)), M_WAITOK0x0002);
5070 ret = EIO5;
5071 if (nfs_pnfsiothreads != 0) {
5072 ret = nfs_pnfsio(start_writedsdorpc, tdrpc);
5073 NFSD_DEBUG(4, "nfsrv_writedsrpc: nfs_pnfsio=%d\n",do { if (nfsd_debuglevel >= (4)) printf("nfsrv_writedsrpc: nfs_pnfsio=%d\n"
, ret); } while (0)
5074 ret)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_writedsrpc: nfs_pnfsio=%d\n"
, ret); } while (0);
5075 }
5076 if (ret != 0) {
5077 ret = nfsrv_writedsdorpc(*nmpp, fhp, off, len, NULL((void *)0),
5078 tdrpc->m, cred, p);
5079 if (nfsds_failerr(ret)((ret) == 6 || (ret) == 5) && *failposp == -1)
5080 *failposp = i;
5081 else if (error == 0 && ret != 0)
5082 error = ret;
5083 }
5084 nmpp++;
5085 fhp++;
5086 }
5087 m = m_copym(*mpp, offs, NFSM_RNDUP(len)(((len)+3)&(~0x3)), M_WAITOK0x0002);
5088 ret = nfsrv_writedsdorpc(*nmpp, fhp, off, len, &na, m, cred, p);
5089 if (nfsds_failerr(ret)((ret) == 6 || (ret) == 5) && *failposp == -1 && mirrorcnt > 1)
5090 *failposp = mirrorcnt - 1;
5091 else if (error == 0 && ret != 0)
5092 error = ret;
5093 if (error == 0)
5094 error = nfsrv_setextattr(vp, &na, p);
5095 NFSD_DEBUG(4, "nfsrv_writedsrpc: aft setextat=%d\n", error)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_writedsrpc: aft setextat=%d\n"
, error); } while (0);
5096 tdrpc = drpc;
5097 timo = hz / 50; /* Wait for 20msec. */
5098 if (timo < 1)
5099 timo = 1;
5100 for (i = 0; i < mirrorcnt - 1; i++, tdrpc++) {
5101 /* Wait for RPCs on separate threads to complete. */
5102 while (tdrpc->inprog != 0 && tdrpc->done == 0)
5103 tsleep(&tdrpc->tsk, PVFS, "srvwrds", timo)_sleep((&tdrpc->tsk), ((void *)0), (((80) + 16)), ("srvwrds"
), tick_sbt * (timo), 0, 0x0100);
5104 if (nfsds_failerr(tdrpc->err)((tdrpc->err) == 6 || (tdrpc->err) == 5) && *failposp == -1)
5105 *failposp = i;
5106 else if (error == 0 && tdrpc->err != 0)
5107 error = tdrpc->err;
5108 }
5109 free(drpc, M_TEMP);
5110 return (error);
5111}
5112
5113static int
5114nfsrv_setattrdsdorpc(fhandle_t *fhp, struct ucred *cred, NFSPROC_Tstruct thread *p,
5115 struct vnode *vp, struct nfsmount *nmp, struct nfsvattr *nap,
5116 struct nfsvattr *dsnap)
5117{
5118 uint32_t *tl;
5119 struct nfsrv_descript *nd;
5120 nfsv4stateid_t st;
5121 nfsattrbit_t attrbits;
5122 int error;
5123
5124 NFSD_DEBUG(4, "in nfsrv_setattrdsdorpc\n")do { if (nfsd_debuglevel >= (4)) printf("in nfsrv_setattrdsdorpc\n"
); } while (0);
5125 nd = malloc(sizeof(*nd), M_TEMP, M_WAITOK0x0002 | M_ZERO0x0100);
5126 /*
5127 * Use a stateid where other is an alternating 01010 pattern and
5128 * seqid is 0xffffffff. This value is not defined as special by
5129 * the RFC and is used by the FreeBSD NFS server to indicate an
5130 * MDS->DS proxy operation.
5131 */
5132 st.other[0] = 0x55555555;
5133 st.other[1] = 0x55555555;
5134 st.other[2] = 0x55555555;
5135 st.seqid = 0xffffffff;
5136 nfscl_reqstart(nd, NFSPROC_SETATTR2, nmp, (u_int8_t *)fhp, sizeof(*fhp),
5137 NULL((void *)0), NULL((void *)0), 0, 0);
5138 nfsm_stateidtom(nd, &st, NFSSTATEID_PUTSTATEID2);
5139 nfscl_fillsattr(nd, &nap->na_vattr, vp, NFSSATTR_FULL0x1, 0);
5140
5141 /* Do a Getattr for Size, Change, Access Time and Modify Time. */
5142 NFSZERO_ATTRBIT(&attrbits)do { (&attrbits)->bits[0] = 0; (&attrbits)->bits
[1] = 0; (&attrbits)->bits[2] = 0; } while (0);
5143 NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_SIZE)((&attrbits)->bits[(4) / 32] |= (1 << ((4) % 32)
));
5144 NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_CHANGE)((&attrbits)->bits[(3) / 32] |= (1 << ((3) % 32)
));
5145 NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_TIMEACCESS)((&attrbits)->bits[(47) / 32] |= (1 << ((47) % 32
)));
5146 NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_TIMEMODIFY)((&attrbits)->bits[(53) / 32] |= (1 << ((53) % 32
)));
5147 NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (4)));
5148 *tl = txdr_unsigned(NFSV4OP_GETATTR)((__builtin_constant_p((int32_t)(9)) ? (((__uint32_t)((__uint16_t
)(__builtin_constant_p(((__uint32_t)((int32_t)(9))) & 0xffff
) ? (__uint16_t)(((__uint16_t)(((__uint32_t)((int32_t)(9))) &
0xffff)) << 8 | ((__uint16_t)(((__uint32_t)((int32_t)(
9))) & 0xffff)) >> 8) : __bswap16_var(((__uint32_t)
((int32_t)(9))) & 0xffff))) << 16) | ((__uint16_t)(
__builtin_constant_p(((__uint32_t)((int32_t)(9))) >> 16
) ? (__uint16_t)(((__uint16_t)(((__uint32_t)((int32_t)(9))) >>
16)) << 8 | ((__uint16_t)(((__uint32_t)((int32_t)(9)))
>> 16)) >> 8) : __bswap16_var(((__uint32_t)((int32_t
)(9))) >> 16)))) : __bswap32_var((int32_t)(9))));
5149 (void) nfsrv_putattrbit(nd, &attrbits);
5150 error = newnfs_request(nd, nmp, NULL((void *)0), &nmp->nm_sockreq, NULL((void *)0), p, cred,
5151 NFS_PROG100003, NFS_VER44, NULL((void *)0), 1, NULL((void *)0), NULL((void *)0));
5152 if (error != 0) {
5153 free(nd, M_TEMP);
5154 return (error);
5155 }
5156 NFSD_DEBUG(4, "nfsrv_setattrdsdorpc: aft setattrrpc=%d\n",do { if (nfsd_debuglevel >= (4)) printf("nfsrv_setattrdsdorpc: aft setattrrpc=%d\n"
, nd->nd_repstat); } while (0)
5157 nd->nd_repstat)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_setattrdsdorpc: aft setattrrpc=%d\n"
, nd->nd_repstat); } while (0);
5158 /* Get rid of weak cache consistency data for now. */
5159 if ((nd->nd_flag & (ND_NOMOREDATA0x00008000 | ND_NFSV40x00000010 | ND_V4WCCATTR0x00010000)) ==
5160 (ND_NFSV40x00000010 | ND_V4WCCATTR0x00010000)) {
5161 error = nfsv4_loadattr(nd, NULL((void *)0), dsnap, NULL((void *)0), NULL((void *)0), 0, NULL((void *)0),
5162 NULL((void *)0), NULL((void *)0), NULL((void *)0), NULL((void *)0), 0, NULL((void *)0), NULL((void *)0), NULL((void *)0), NULL((void *)0), NULL((void *)0));
5163 NFSD_DEBUG(4, "nfsrv_setattrdsdorpc: wcc attr=%d\n", error)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_setattrdsdorpc: wcc attr=%d\n"
, error); } while (0);
5164 if (error != 0)
5165 goto nfsmout;
5166 /*
5167 * Get rid of Op# and status for next op.
5168 */
5169 NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED)do { (tl) = (uint32_t *)nfsm_dissect(nd, (2 * 4)); if ((tl) ==
((void *)0)) { error = 72; goto nfsmout; } } while (0);
5170 if (*++tl != 0)
5171 nd->nd_flag |= ND_NOMOREDATA0x00008000;
5172 }
5173 error = nfsrv_getattrbits(nd, &attrbits, NULL((void *)0), NULL((void *)0));
5174 if (error != 0)
5175 goto nfsmout;
5176 if (nd->nd_repstat != 0)
5177 error = nd->nd_repstat;
5178 /*
5179 * Get the Change, Size, Access Time and Modify Time attributes and set
5180 * on the Metadata file, so its attributes will be what the file's
5181 * would be if it had been written.
5182 */
5183 if (error == 0) {
5184 NFSM_DISSECT(tl, uint32_t *, 2 * NFSX_UNSIGNED)do { (tl) = (uint32_t *)nfsm_dissect(nd, (2 * 4)); if ((tl) ==
((void *)0)) { error = 72; goto nfsmout; } } while (0);
5185 error = nfsv4_loadattr(nd, NULL((void *)0), dsnap, NULL((void *)0), NULL((void *)0), 0, NULL((void *)0),
5186 NULL((void *)0), NULL((void *)0), NULL((void *)0), NULL((void *)0), 0, NULL((void *)0), NULL((void *)0), NULL((void *)0), NULL((void *)0), NULL((void *)0));
5187 }
5188 NFSD_DEBUG(4, "nfsrv_setattrdsdorpc: aft setattr loadattr=%d\n", error)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_setattrdsdorpc: aft setattr loadattr=%d\n"
, error); } while (0);
5189nfsmout:
5190 m_freem(nd->nd_mrep);
5191 free(nd, M_TEMP);
5192 NFSD_DEBUG(4, "nfsrv_setattrdsdorpc error=%d\n", error)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_setattrdsdorpc error=%d\n"
, error); } while (0);
5193 return (error);
5194}
5195
5196struct nfsrvsetattrdsdorpc {
5197 int done;
5198 int inprog;
5199 struct task tsk;
5200 fhandle_t fh;
5201 struct nfsmount *nmp;
5202 struct vnode *vp;
5203 struct ucred *cred;
5204 NFSPROC_Tstruct thread *p;
5205 struct nfsvattr na;
5206 struct nfsvattr dsna;
5207 int err;
5208};
5209
5210/*
5211 * Start up the thread that will execute nfsrv_setattrdsdorpc().
5212 */
5213static void
5214start_setattrdsdorpc(void *arg, int pending)
5215{
5216 struct nfsrvsetattrdsdorpc *drpc;
5217
5218 drpc = (struct nfsrvsetattrdsdorpc *)arg;
5219 drpc->err = nfsrv_setattrdsdorpc(&drpc->fh, drpc->cred, drpc->p,
5220 drpc->vp, drpc->nmp, &drpc->na, &drpc->dsna);
5221 drpc->done = 1;
5222}
5223
5224static int
5225nfsrv_setattrdsrpc(fhandle_t *fhp, struct ucred *cred, NFSPROC_Tstruct thread *p,
5226 struct vnode *vp, struct nfsmount **nmpp, int mirrorcnt,
5227 struct nfsvattr *nap, int *failposp)
5228{
5229 struct nfsrvsetattrdsdorpc *drpc, *tdrpc;
5230 struct nfsvattr na;
5231 int error, i, ret, timo;
5232
5233 NFSD_DEBUG(4, "in nfsrv_setattrdsrpc\n")do { if (nfsd_debuglevel >= (4)) printf("in nfsrv_setattrdsrpc\n"
); } while (0);
5234 drpc = NULL((void *)0);
5235 if (mirrorcnt > 1)
5236 tdrpc = drpc = malloc(sizeof(*drpc) * (mirrorcnt - 1), M_TEMP,
5237 M_WAITOK0x0002);
5238
5239 /*
5240 * Do the setattr RPC for every DS, using a separate kernel process
5241 * for every DS except the last one.
5242 */
5243 error = 0;
5244 for (i = 0; i < mirrorcnt - 1; i++, tdrpc++) {
5245 tdrpc->done = 0;
5246 tdrpc->inprog = 0;
5247 NFSBCOPY(fhp, &tdrpc->fh, sizeof(*fhp))__builtin_memmove(((&tdrpc->fh)), ((fhp)), ((sizeof(*fhp
))));
5248 tdrpc->nmp = *nmpp;
5249 tdrpc->vp = vp;
5250 tdrpc->cred = cred;
5251 tdrpc->p = p;
5252 tdrpc->na = *nap;
5253 tdrpc->err = 0;
5254 ret = EIO5;
5255 if (nfs_pnfsiothreads != 0) {
5256 ret = nfs_pnfsio(start_setattrdsdorpc, tdrpc);
5257 NFSD_DEBUG(4, "nfsrv_setattrdsrpc: nfs_pnfsio=%d\n",do { if (nfsd_debuglevel >= (4)) printf("nfsrv_setattrdsrpc: nfs_pnfsio=%d\n"
, ret); } while (0)
5258 ret)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_setattrdsrpc: nfs_pnfsio=%d\n"
, ret); } while (0);
5259 }
5260 if (ret != 0) {
5261 ret = nfsrv_setattrdsdorpc(fhp, cred, p, vp, *nmpp, nap,
5262 &na);
5263 if (nfsds_failerr(ret)((ret) == 6 || (ret) == 5) && *failposp == -1)
5264 *failposp = i;
5265 else if (error == 0 && ret != 0)
5266 error = ret;
5267 }
5268 nmpp++;
5269 fhp++;
5270 }
5271 ret = nfsrv_setattrdsdorpc(fhp, cred, p, vp, *nmpp, nap, &na);
5272 if (nfsds_failerr(ret)((ret) == 6 || (ret) == 5) && *failposp == -1 && mirrorcnt > 1)
5273 *failposp = mirrorcnt - 1;
5274 else if (error == 0 && ret != 0)
5275 error = ret;
5276 if (error == 0)
5277 error = nfsrv_setextattr(vp, &na, p);
5278 NFSD_DEBUG(4, "nfsrv_setattrdsrpc: aft setextat=%d\n", error)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_setattrdsrpc: aft setextat=%d\n"
, error); } while (0);
5279 tdrpc = drpc;
5280 timo = hz / 50; /* Wait for 20msec. */
5281 if (timo < 1)
5282 timo = 1;
5283 for (i = 0; i < mirrorcnt - 1; i++, tdrpc++) {
5284 /* Wait for RPCs on separate threads to complete. */
5285 while (tdrpc->inprog != 0 && tdrpc->done == 0)
5286 tsleep(&tdrpc->tsk, PVFS, "srvsads", timo)_sleep((&tdrpc->tsk), ((void *)0), (((80) + 16)), ("srvsads"
), tick_sbt * (timo), 0, 0x0100);
5287 if (nfsds_failerr(tdrpc->err)((tdrpc->err) == 6 || (tdrpc->err) == 5) && *failposp == -1)
5288 *failposp = i;
5289 else if (error == 0 && tdrpc->err != 0)
5290 error = tdrpc->err;
5291 }
5292 free(drpc, M_TEMP);
5293 return (error);
5294}
5295
5296/*
5297 * Do a Setattr of an NFSv4 ACL on the DS file.
5298 */
5299static int
5300nfsrv_setacldsdorpc(fhandle_t *fhp, struct ucred *cred, NFSPROC_Tstruct thread *p,
5301 struct vnode *vp, struct nfsmount *nmp, struct acl *aclp)
5302{
5303 struct nfsrv_descript *nd;
5304 nfsv4stateid_t st;
5305 nfsattrbit_t attrbits;
5306 int error;
5307
5308 NFSD_DEBUG(4, "in nfsrv_setacldsdorpc\n")do { if (nfsd_debuglevel >= (4)) printf("in nfsrv_setacldsdorpc\n"
); } while (0);
5309 nd = malloc(sizeof(*nd), M_TEMP, M_WAITOK0x0002 | M_ZERO0x0100);
5310 /*
5311 * Use a stateid where other is an alternating 01010 pattern and
5312 * seqid is 0xffffffff. This value is not defined as special by
5313 * the RFC and is used by the FreeBSD NFS server to indicate an
5314 * MDS->DS proxy operation.
5315 */
5316 st.other[0] = 0x55555555;
5317 st.other[1] = 0x55555555;
5318 st.other[2] = 0x55555555;
5319 st.seqid = 0xffffffff;
5320 nfscl_reqstart(nd, NFSPROC_SETACL40, nmp, (u_int8_t *)fhp, sizeof(*fhp),
5321 NULL((void *)0), NULL((void *)0), 0, 0);
5322 nfsm_stateidtom(nd, &st, NFSSTATEID_PUTSTATEID2);
5323 NFSZERO_ATTRBIT(&attrbits)do { (&attrbits)->bits[0] = 0; (&attrbits)->bits
[1] = 0; (&attrbits)->bits[2] = 0; } while (0);
5324 NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_ACL)((&attrbits)->bits[(12) / 32] |= (1 << ((12) % 32
)));
5325 /*
5326 * The "vp" argument to nfsv4_fillattr() is only used for vnode_type(),
5327 * so passing in the metadata "vp" will be ok, since it is of
5328 * the same type (VREG).
5329 */
5330 nfsv4_fillattr(nd, NULL((void *)0), vp, aclp, NULL((void *)0), NULL((void *)0), 0, &attrbits, NULL((void *)0),
5331 NULL((void *)0), 0, 0, 0, 0, 0, NULL((void *)0));
5332 error = newnfs_request(nd, nmp, NULL((void *)0), &nmp->nm_sockreq, NULL((void *)0), p, cred,
5333 NFS_PROG100003, NFS_VER44, NULL((void *)0), 1, NULL((void *)0), NULL((void *)0));
5334 if (error != 0) {
5335 free(nd, M_TEMP);
5336 return (error);
5337 }
5338 NFSD_DEBUG(4, "nfsrv_setacldsdorpc: aft setaclrpc=%d\n",do { if (nfsd_debuglevel >= (4)) printf("nfsrv_setacldsdorpc: aft setaclrpc=%d\n"
, nd->nd_repstat); } while (0)
5339 nd->nd_repstat)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_setacldsdorpc: aft setaclrpc=%d\n"
, nd->nd_repstat); } while (0);
5340 error = nd->nd_repstat;
5341 m_freem(nd->nd_mrep);
5342 free(nd, M_TEMP);
5343 return (error);
5344}
5345
5346struct nfsrvsetacldsdorpc {
5347 int done;
5348 int inprog;
5349 struct task tsk;
5350 fhandle_t fh;
5351 struct nfsmount *nmp;
5352 struct vnode *vp;
5353 struct ucred *cred;
5354 NFSPROC_Tstruct thread *p;
5355 struct acl *aclp;
5356 int err;
5357};
5358
5359/*
5360 * Start up the thread that will execute nfsrv_setacldsdorpc().
5361 */
5362static void
5363start_setacldsdorpc(void *arg, int pending)
5364{
5365 struct nfsrvsetacldsdorpc *drpc;
5366
5367 drpc = (struct nfsrvsetacldsdorpc *)arg;
5368 drpc->err = nfsrv_setacldsdorpc(&drpc->fh, drpc->cred, drpc->p,
5369 drpc->vp, drpc->nmp, drpc->aclp);
5370 drpc->done = 1;
5371}
5372
5373static int
5374nfsrv_setacldsrpc(fhandle_t *fhp, struct ucred *cred, NFSPROC_Tstruct thread *p,
5375 struct vnode *vp, struct nfsmount **nmpp, int mirrorcnt, struct acl *aclp,
5376 int *failposp)
5377{
5378 struct nfsrvsetacldsdorpc *drpc, *tdrpc;
5379 int error, i, ret, timo;
5380
5381 NFSD_DEBUG(4, "in nfsrv_setacldsrpc\n")do { if (nfsd_debuglevel >= (4)) printf("in nfsrv_setacldsrpc\n"
); } while (0);
5382 drpc = NULL((void *)0);
5383 if (mirrorcnt > 1)
5384 tdrpc = drpc = malloc(sizeof(*drpc) * (mirrorcnt - 1), M_TEMP,
5385 M_WAITOK0x0002);
5386
5387 /*
5388 * Do the setattr RPC for every DS, using a separate kernel process
5389 * for every DS except the last one.
5390 */
5391 error = 0;
5392 for (i = 0; i < mirrorcnt - 1; i++, tdrpc++) {
5393 tdrpc->done = 0;
5394 tdrpc->inprog = 0;
5395 NFSBCOPY(fhp, &tdrpc->fh, sizeof(*fhp))__builtin_memmove(((&tdrpc->fh)), ((fhp)), ((sizeof(*fhp
))));
5396 tdrpc->nmp = *nmpp;
5397 tdrpc->vp = vp;
5398 tdrpc->cred = cred;
5399 tdrpc->p = p;
5400 tdrpc->aclp = aclp;
5401 tdrpc->err = 0;
5402 ret = EIO5;
5403 if (nfs_pnfsiothreads != 0) {
5404 ret = nfs_pnfsio(start_setacldsdorpc, tdrpc);
5405 NFSD_DEBUG(4, "nfsrv_setacldsrpc: nfs_pnfsio=%d\n",do { if (nfsd_debuglevel >= (4)) printf("nfsrv_setacldsrpc: nfs_pnfsio=%d\n"
, ret); } while (0)
5406 ret)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_setacldsrpc: nfs_pnfsio=%d\n"
, ret); } while (0);
5407 }
5408 if (ret != 0) {
5409 ret = nfsrv_setacldsdorpc(fhp, cred, p, vp, *nmpp,
5410 aclp);
5411 if (nfsds_failerr(ret)((ret) == 6 || (ret) == 5) && *failposp == -1)
5412 *failposp = i;
5413 else if (error == 0 && ret != 0)
5414 error = ret;
5415 }
5416 nmpp++;
5417 fhp++;
5418 }
5419 ret = nfsrv_setacldsdorpc(fhp, cred, p, vp, *nmpp, aclp);
5420 if (nfsds_failerr(ret)((ret) == 6 || (ret) == 5) && *failposp == -1 && mirrorcnt > 1)
5421 *failposp = mirrorcnt - 1;
5422 else if (error == 0 && ret != 0)
5423 error = ret;
5424 NFSD_DEBUG(4, "nfsrv_setacldsrpc: aft setextat=%d\n", error)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_setacldsrpc: aft setextat=%d\n"
, error); } while (0);
5425 tdrpc = drpc;
5426 timo = hz / 50; /* Wait for 20msec. */
5427 if (timo < 1)
5428 timo = 1;
5429 for (i = 0; i < mirrorcnt - 1; i++, tdrpc++) {
5430 /* Wait for RPCs on separate threads to complete. */
5431 while (tdrpc->inprog != 0 && tdrpc->done == 0)
5432 tsleep(&tdrpc->tsk, PVFS, "srvacds", timo)_sleep((&tdrpc->tsk), ((void *)0), (((80) + 16)), ("srvacds"
), tick_sbt * (timo), 0, 0x0100);
5433 if (nfsds_failerr(tdrpc->err)((tdrpc->err) == 6 || (tdrpc->err) == 5) && *failposp == -1)
5434 *failposp = i;
5435 else if (error == 0 && tdrpc->err != 0)
5436 error = tdrpc->err;
5437 }
5438 free(drpc, M_TEMP);
5439 return (error);
5440}
5441
5442/*
5443 * Getattr call to the DS for the Modify, Size and Change attributes.
5444 */
5445static int
5446nfsrv_getattrdsrpc(fhandle_t *fhp, struct ucred *cred, NFSPROC_Tstruct thread *p,
5447 struct vnode *vp, struct nfsmount *nmp, struct nfsvattr *nap)
5448{
5449 struct nfsrv_descript *nd;
5450 int error;
5451 nfsattrbit_t attrbits;
5452
5453 NFSD_DEBUG(4, "in nfsrv_getattrdsrpc\n")do { if (nfsd_debuglevel >= (4)) printf("in nfsrv_getattrdsrpc\n"
); } while (0);
5454 nd = malloc(sizeof(*nd), M_TEMP, M_WAITOK0x0002 | M_ZERO0x0100);
5455 nfscl_reqstart(nd, NFSPROC_GETATTR1, nmp, (u_int8_t *)fhp,
5456 sizeof(fhandle_t), NULL((void *)0), NULL((void *)0), 0, 0);
5457 NFSZERO_ATTRBIT(&attrbits)do { (&attrbits)->bits[0] = 0; (&attrbits)->bits
[1] = 0; (&attrbits)->bits[2] = 0; } while (0);
5458 NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_SIZE)((&attrbits)->bits[(4) / 32] |= (1 << ((4) % 32)
));
5459 NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_CHANGE)((&attrbits)->bits[(3) / 32] |= (1 << ((3) % 32)
));
5460 NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_TIMEACCESS)((&attrbits)->bits[(47) / 32] |= (1 << ((47) % 32
)));
5461 NFSSETBIT_ATTRBIT(&attrbits, NFSATTRBIT_TIMEMODIFY)((&attrbits)->bits[(53) / 32] |= (1 << ((53) % 32
)));
5462 (void) nfsrv_putattrbit(nd, &attrbits);
5463 error = newnfs_request(nd, nmp, NULL((void *)0), &nmp->nm_sockreq, NULL((void *)0), p, cred,
5464 NFS_PROG100003, NFS_VER44, NULL((void *)0), 1, NULL((void *)0), NULL((void *)0));
5465 if (error != 0) {
5466 free(nd, M_TEMP);
5467 return (error);
5468 }
5469 NFSD_DEBUG(4, "nfsrv_getattrdsrpc: aft getattrrpc=%d\n",do { if (nfsd_debuglevel >= (4)) printf("nfsrv_getattrdsrpc: aft getattrrpc=%d\n"
, nd->nd_repstat); } while (0)
5470 nd->nd_repstat)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_getattrdsrpc: aft getattrrpc=%d\n"
, nd->nd_repstat); } while (0);
5471 if (nd->nd_repstat == 0) {
5472 error = nfsv4_loadattr(nd, NULL((void *)0), nap, NULL((void *)0), NULL((void *)0), 0,
5473 NULL((void *)0), NULL((void *)0), NULL((void *)0), NULL((void *)0), NULL((void *)0), 0, NULL((void *)0), NULL((void *)0), NULL((void *)0),
5474 NULL((void *)0), NULL((void *)0));
5475 /*
5476 * We can only save the updated values in the extended
5477 * attribute if the vp is exclusively locked.
5478 * This should happen when any of the following operations
5479 * occur on the vnode:
5480 * Close, Delegreturn, LayoutCommit, LayoutReturn
5481 * As such, the updated extended attribute should get saved
5482 * before nfsrv_checkdsattr() returns 0 and allows the cached
5483 * attributes to be returned without calling this function.
5484 */
5485 if (error == 0 && VOP_ISLOCKED(vp) == LK_EXCLUSIVE0x080000) {
5486 error = nfsrv_setextattr(vp, nap, p);
5487 NFSD_DEBUG(4, "nfsrv_getattrdsrpc: aft setextat=%d\n",do { if (nfsd_debuglevel >= (4)) printf("nfsrv_getattrdsrpc: aft setextat=%d\n"
, error); } while (0)
5488 error)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_getattrdsrpc: aft setextat=%d\n"
, error); } while (0);
5489 }
5490 } else
5491 error = nd->nd_repstat;
5492 m_freem(nd->nd_mrep);
5493 free(nd, M_TEMP);
5494 NFSD_DEBUG(4, "nfsrv_getattrdsrpc error=%d\n", error)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_getattrdsrpc error=%d\n"
, error); } while (0);
5495 return (error);
5496}
5497
5498/*
5499 * Get the device id and file handle for a DS file.
5500 */
5501int
5502nfsrv_dsgetdevandfh(struct vnode *vp, NFSPROC_Tstruct thread *p, int *mirrorcntp,
5503 fhandle_t *fhp, char *devid)
5504{
5505 int buflen, error;
5506 char *buf;
5507
5508 buflen = 1024;
5509 buf = malloc(buflen, M_TEMP, M_WAITOK0x0002);
5510 error = nfsrv_dsgetsockmnt(vp, 0, buf, &buflen, mirrorcntp, p, NULL((void *)0),
5511 fhp, devid, NULL((void *)0), NULL((void *)0), NULL((void *)0), NULL((void *)0), NULL((void *)0), NULL((void *)0));
5512 free(buf, M_TEMP);
5513 return (error);
5514}
5515
5516/*
5517 * Do a Lookup against the DS for the filename.
5518 */
5519static int
5520nfsrv_pnfslookupds(struct vnode *vp, struct vnode *dvp, struct pnfsdsfile *pf,
5521 struct vnode **nvpp, NFSPROC_Tstruct thread *p)
5522{
5523 struct nameidata named;
5524 struct ucred *tcred;
5525 char *bufp;
5526 u_long *hashp;
5527 struct vnode *nvp;
5528 int error;
5529
5530 tcred = newnfs_getcred();
5531 named.ni_cnd.cn_nameiop = LOOKUP0;
5532 named.ni_cnd.cn_lkflags = LK_SHARED0x200000 | LK_RETRY0x000400;
5533 named.ni_cnd.cn_cred = tcred;
5534 named.ni_cnd.cn_thread = p;
5535 named.ni_cnd.cn_flags = ISLASTCN0x00008000 | LOCKPARENT0x0008 | LOCKLEAF0x0004 | SAVENAME0x00000800;
5536 nfsvno_setpathbuf(&named, &bufp, &hashp);
5537 named.ni_cnd.cn_nameptr = bufp;
5538 named.ni_cnd.cn_namelen = strlen(pf->dsf_filename);
5539 strlcpy(bufp, pf->dsf_filename, NAME_MAX255);
5540 NFSD_DEBUG(4, "nfsrv_pnfslookupds: filename=%s\n", bufp)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_pnfslookupds: filename=%s\n"
, bufp); } while (0);
5541 error = VOP_LOOKUP(dvp, &nvp, &named.ni_cnd);
5542 NFSD_DEBUG(4, "nfsrv_pnfslookupds: aft LOOKUP=%d\n", error)do { if (nfsd_debuglevel >= (4)) printf("nfsrv_pnfslookupds: aft LOOKUP=%d\n"
, error); } while (0);
5543 NFSFREECRED(tcred)(crfree(tcred));
5544 nfsvno_relpathbuf(&named);
5545 if (error == 0)
5546 *nvpp = nvp;
5547 NFSD_DEBUG(4, "eo nfsrv_pnfslookupds=%d\n", error)do { if (nfsd_debuglevel >= (4)) printf("eo nfsrv_pnfslookupds=%d\n"
, error); } while (0);
5548 return (error);
5549}
5550
5551/*
5552 * Set the file handle to the correct one.
5553 */
5554static void
5555nfsrv_pnfssetfh(struct vnode *vp, struct pnfsdsfile *pf, char *devid,
5556 char *fnamep, struct vnode *nvp, NFSPROC_Tstruct thread *p)
5557{
5558 struct nfsnode *np;
5559 int ret;
5560
5561 np = VTONFS(nvp)((struct nfsnode *)(nvp)->v_data);
5562 NFSBCOPY(np->n_fhp->nfh_fh, &pf->dsf_fh, NFSX_MYFH)__builtin_memmove(((&pf->dsf_fh)), ((np->n_fhp->
nfh_fh)), (((sizeof (fhandle_t)))));
5563 /*
5564 * We can only do a vn_set_extattr() if the vnode is exclusively
5565 * locked and vn_start_write() has been done. If devid != NULL or
5566 * fnamep != NULL or the vnode is shared locked, vn_start_write()
5567 * may not have been done.
5568 * If not done now, it will be done on a future call.
5569 */
5570 if (devid == NULL((void *)0) && fnamep == NULL((void *)0) && NFSVOPISLOCKED(vp)VOP_ISLOCKED((vp)) ==
5571 LK_EXCLUSIVE0x080000)
5572 ret = vn_extattr_set(vp, IO_NODELOCKED0x0008,
5573 EXTATTR_NAMESPACE_SYSTEM0x00000002, "pnfsd.dsfile", sizeof(*pf),
5574 (char *)pf, p);
5575 NFSD_DEBUG(4, "eo nfsrv_pnfssetfh=%d\n", ret)do { if (nfsd_debuglevel >= (4)) printf("eo nfsrv_pnfssetfh=%d\n"
, ret); } while (0);
5576}
5577
5578/*
5579 * Cause RPCs waiting on "nmp" to fail. This is called for a DS mount point
5580 * when the DS has failed.
5581 */
5582void
5583nfsrv_killrpcs(struct nfsmount *nmp)
5584{
5585
5586 /*
5587 * Call newnfs_nmcancelreqs() to cause
5588 * any RPCs in progress on the mount point to
5589 * fail.
5590 * This will cause any process waiting for an
5591 * RPC to complete while holding a vnode lock
5592 * on the mounted-on vnode (such as "df" or
5593 * a non-forced "umount") to fail.
5594 * This will unlock the mounted-on vnode so
5595 * a forced dismount can succeed.
5596 * The NFSMNTP_CANCELRPCS flag should be set when this function is
5597 * called.
5598 */
5599 newnfs_nmcancelreqs(nmp);
5600}
5601
5602/*
5603 * Sum up the statfs info for each of the DSs, so that the client will
5604 * receive the total for all DSs.
5605 */
5606static int
5607nfsrv_pnfsstatfs(struct statfs *sf, struct mount *mp)
5608{
5609 struct statfs *tsf;
5610 struct nfsdevice *ds;
5611 struct vnode **dvpp, **tdvpp, *dvp;
5612 uint64_t tot;
5613 int cnt, error = 0, i;
5614
5615 if (nfsrv_devidcnt <= 0)
5616 return (ENXIO6);
5617 dvpp = mallocarray(nfsrv_devidcnt, sizeof(*dvpp), M_TEMP, M_WAITOK0x0002);
5618 tsf = malloc(sizeof(*tsf), M_TEMP, M_WAITOK0x0002);
5619
5620 /* Get an array of the dvps for the DSs. */
5621 tdvpp = dvpp;
5622 i = 0;
5623 NFSDDSLOCK()__mtx_lock_flags(&((((&nfsrv_dslock_mtx))))->mtx_lock
, ((0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"), (
5623));
5624 /* First, search for matches for same file system. */
5625 TAILQ_FOREACH(ds, &nfsrv_devidhead, nfsdev_list)for ((ds) = (((&nfsrv_devidhead))->tqh_first); (ds); (
ds) = (((ds))->nfsdev_list.tqe_next)) {
5626 if (ds->nfsdev_nmp != NULL((void *)0) && ds->nfsdev_mdsisset != 0 &&
5627 ds->nfsdev_mdsfsid.val[0] == mp->mnt_stat.f_fsid.val[0] &&
5628 ds->nfsdev_mdsfsid.val[1] == mp->mnt_stat.f_fsid.val[1]) {
5629 if (++i > nfsrv_devidcnt)
5630 break;
5631 *tdvpp++ = ds->nfsdev_dvp;
5632 }
5633 }
5634 /*
5635 * If no matches for same file system, total all servers not assigned
5636 * to a file system.
5637 */
5638 if (i == 0) {
5639 TAILQ_FOREACH(ds, &nfsrv_devidhead, nfsdev_list)for ((ds) = (((&nfsrv_devidhead))->tqh_first); (ds); (
ds) = (((ds))->nfsdev_list.tqe_next)) {
5640 if (ds->nfsdev_nmp != NULL((void *)0) &&
5641 ds->nfsdev_mdsisset == 0) {
5642 if (++i > nfsrv_devidcnt)
5643 break;
5644 *tdvpp++ = ds->nfsdev_dvp;
5645 }
5646 }
5647 }
5648 NFSDDSUNLOCK()__mtx_unlock_flags(&((((&nfsrv_dslock_mtx))))->mtx_lock
, ((0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"), (
5648));
5649 cnt = i;
5650
5651 /* Do a VFS_STATFS() for each of the DSs and sum them up. */
5652 tdvpp = dvpp;
5653 for (i = 0; i < cnt && error == 0; i++) {
5654 dvp = *tdvpp++;
5655 error = VFS_STATFS(dvp->v_mount, tsf)({ int _rc; _rc = __vfs_statfs((dvp->v_mount), (tsf)); _rc
; });
5656 if (error == 0) {
5657 if (sf->f_bsize == 0) {
5658 if (tsf->f_bsize > 0)
5659 sf->f_bsize = tsf->f_bsize;
5660 else
5661 sf->f_bsize = 8192;
5662 }
5663 if (tsf->f_blocks > 0) {
5664 if (sf->f_bsize != tsf->f_bsize) {
5665 tot = tsf->f_blocks * tsf->f_bsize;
5666 sf->f_blocks += (tot / sf->f_bsize);
5667 } else
5668 sf->f_blocks += tsf->f_blocks;
5669 }
5670 if (tsf->f_bfree > 0) {
5671 if (sf->f_bsize != tsf->f_bsize) {
5672 tot = tsf->f_bfree * tsf->f_bsize;
5673 sf->f_bfree += (tot / sf->f_bsize);
5674 } else
5675 sf->f_bfree += tsf->f_bfree;
5676 }
5677 if (tsf->f_bavail > 0) {
5678 if (sf->f_bsize != tsf->f_bsize) {
5679 tot = tsf->f_bavail * tsf->f_bsize;
5680 sf->f_bavail += (tot / sf->f_bsize);
5681 } else
5682 sf->f_bavail += tsf->f_bavail;
5683 }
5684 }
5685 }
5686 free(tsf, M_TEMP);
5687 free(dvpp, M_TEMP);
5688 return (error);
5689}
5690
5691/*
5692 * Set an NFSv4 acl.
5693 */
5694int
5695nfsrv_setacl(struct vnode *vp, NFSACL_Tstruct acl *aclp, struct ucred *cred, NFSPROC_Tstruct thread *p)
5696{
5697 int error;
5698
5699 if (nfsrv_useacl == 0 || nfs_supportsnfsv4acls(vp) == 0) {
5700 error = NFSERR_ATTRNOTSUPP10032;
5701 goto out;
5702 }
5703 /*
5704 * With NFSv4 ACLs, chmod(2) may need to add additional entries.
5705 * Make sure it has enough room for that - splitting every entry
5706 * into two and appending "canonical six" entries at the end.
5707 * Cribbed out of kern/vfs_acl.c - Rick M.
5708 */
5709 if (aclp->acl_cnt > (ACL_MAX_ENTRIES254 - 6) / 2) {
5710 error = NFSERR_ATTRNOTSUPP10032;
5711 goto out;
5712 }
5713 error = VOP_SETACL(vp, ACL_TYPE_NFS40x00000004, aclp, cred, p);
5714 if (error == 0) {
5715 error = nfsrv_dssetacl(vp, aclp, cred, p);
5716 if (error == ENOENT2)
5717 error = 0;
5718 }
5719
5720out:
5721 NFSEXITCODE(error);
5722 return (error);
5723}
5724
5725extern int (*nfsd_call_nfsd)(struct thread *, struct nfssvc_args *);
5726
5727/*
5728 * Called once to initialize data structures...
5729 */
5730static int
5731nfsd_modevent(module_t mod, int type, void *data)
5732{
5733 int error = 0, i;
5734 static int loaded = 0;
5735
5736 switch (type) {
5737 case MOD_LOAD:
5738 if (loaded)
5739 goto out;
5740 newnfs_portinit();
5741 for (i = 0; i < NFSRVCACHE_HASHSIZE500; i++) {
5742 mtx_init(&nfsrchash_table[i].mtx, "nfsrtc", NULL,_mtx_init(&(&nfsrchash_table[i].mtx)->mtx_lock, "nfsrtc"
, ((void *)0), 0x00000000)
5743 MTX_DEF)_mtx_init(&(&nfsrchash_table[i].mtx)->mtx_lock, "nfsrtc"
, ((void *)0), 0x00000000);
5744 mtx_init(&nfsrcahash_table[i].mtx, "nfsrtca", NULL,_mtx_init(&(&nfsrcahash_table[i].mtx)->mtx_lock, "nfsrtca"
, ((void *)0), 0x00000000)
5745 MTX_DEF)_mtx_init(&(&nfsrcahash_table[i].mtx)->mtx_lock, "nfsrtca"
, ((void *)0), 0x00000000);
5746 }
5747 mtx_init(&nfsrc_udpmtx, "nfsuc", NULL, MTX_DEF)_mtx_init(&(&nfsrc_udpmtx)->mtx_lock, "nfsuc", ((void
*)0), 0x00000000);
5748 mtx_init(&nfs_v4root_mutex, "nfs4rt", NULL, MTX_DEF)_mtx_init(&(&nfs_v4root_mutex)->mtx_lock, "nfs4rt"
, ((void *)0), 0x00000000);
5749 mtx_init(&nfsv4root_mnt.mnt_mtx, "nfs4mnt", NULL, MTX_DEF)_mtx_init(&(&nfsv4root_mnt.mnt_mtx)->mtx_lock, "nfs4mnt"
, ((void *)0), 0x00000000);
5750 mtx_init(&nfsrv_dontlistlock_mtx, "nfs4dnl", NULL, MTX_DEF)_mtx_init(&(&nfsrv_dontlistlock_mtx)->mtx_lock, "nfs4dnl"
, ((void *)0), 0x00000000);
5751 mtx_init(&nfsrv_recalllock_mtx, "nfs4rec", NULL, MTX_DEF)_mtx_init(&(&nfsrv_recalllock_mtx)->mtx_lock, "nfs4rec"
, ((void *)0), 0x00000000);
5752 lockinit(&nfsv4root_mnt.mnt_explock, PVFS((80) + 16), "explock", 0, 0);
5753 nfsrvd_initcache();
5754 nfsd_init();
5755 NFSD_LOCK()__mtx_lock_flags(&((((&newnfsd_mtx))))->mtx_lock, (
(0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"), (5755
));
5756 nfsrvd_init(0);
5757 NFSD_UNLOCK()__mtx_unlock_flags(&((((&newnfsd_mtx))))->mtx_lock
, ((0)), ("/root/freebsd/sys/fs/nfsserver/nfs_nfsdport.c"), (
5757));
5758 nfsd_mntinit();
5759#ifdef VV_DISABLEDELEG
5760 vn_deleg_ops.vndeleg_recall = nfsd_recalldelegation;
5761 vn_deleg_ops.vndeleg_disable = nfsd_disabledelegation;
5762#endif
5763 nfsd_call_servertimer = nfsrv_servertimer;
5764 nfsd_call_nfsd = nfssvc_nfsd;
5765 loaded = 1;
5766 break;
5767
5768 case MOD_UNLOAD:
5769 if (newnfs_numnfsd != 0) {
5770 error = EBUSY16;
5771 break;
5772 }
5773
5774#ifdef VV_DISABLEDELEG
5775 vn_deleg_ops.vndeleg_recall = NULL((void *)0);
5776 vn_deleg_ops.vndeleg_disable = NULL((void *)0);
5777#endif
5778 nfsd_call_servertimer = NULL((void *)0);
5779 nfsd_call_nfsd = NULL((void *)0);
5780
5781 /* Clean out all NFSv4 state. */
5782 nfsrv_throwawayallstate(curthread(__curthread()));
5783
5784 /* Clean the NFS server reply cache */
5785 nfsrvd_cleancache();
5786
5787 /* Free up the krpc server pool. */
5788 if (nfsrvd_pool != NULL((void *)0))
5789 svcpool_destroy(nfsrvd_pool);
5790
5791 /* and get rid of the locks */
5792 for (i = 0; i < NFSRVCACHE_HASHSIZE500; i++) {
5793 mtx_destroy(&nfsrchash_table[i].mtx)_mtx_destroy(&(&nfsrchash_table[i].mtx)->mtx_lock);
5794 mtx_destroy(&nfsrcahash_table[i].mtx)_mtx_destroy(&(&nfsrcahash_table[i].mtx)->mtx_lock
);
5795 }
5796 mtx_destroy(&nfsrc_udpmtx)_mtx_destroy(&(&nfsrc_udpmtx)->mtx_lock);
5797 mtx_destroy(&nfs_v4root_mutex)_mtx_destroy(&(&nfs_v4root_mutex)->mtx_lock);
5798 mtx_destroy(&nfsv4root_mnt.mnt_mtx)_mtx_destroy(&(&nfsv4root_mnt.mnt_mtx)->mtx_lock);
5799 mtx_destroy(&nfsrv_dontlistlock_mtx)_mtx_destroy(&(&nfsrv_dontlistlock_mtx)->mtx_lock);
5800 mtx_destroy(&nfsrv_recalllock_mtx)_mtx_destroy(&(&nfsrv_recalllock_mtx)->mtx_lock);
5801 for (i = 0; i < nfsrv_sessionhashsize; i++)
5802 mtx_destroy(&nfssessionhash[i].mtx)_mtx_destroy(&(&nfssessionhash[i].mtx)->mtx_lock);
5803 if (nfslayouthash != NULL((void *)0)) {
5804 for (i = 0; i < nfsrv_layouthashsize; i++)
5805 mtx_destroy(&nfslayouthash[i].mtx)_mtx_destroy(&(&nfslayouthash[i].mtx)->mtx_lock);
5806 free(nfslayouthash, M_NFSDSESSIONM_NEWNFSDSESSION);
5807 }
5808 lockdestroy(&nfsv4root_mnt.mnt_explock);
5809 free(nfsclienthash, M_NFSDCLIENTM_NEWNFSDCLIENT);
5810 free(nfslockhash, M_NFSDLOCKFILEM_NEWNFSDLOCKFILE);
5811 free(nfssessionhash, M_NFSDSESSIONM_NEWNFSDSESSION);
5812 loaded = 0;
5813 break;
5814 default:
5815 error = EOPNOTSUPP45;
5816 break;
5817 }
5818
5819out:
5820 NFSEXITCODE(error);
5821 return (error);
5822}
5823static moduledata_t nfsd_mod = {
5824 "nfsd",
5825 nfsd_modevent,
5826 NULL((void *)0),
5827};
5828DECLARE_MODULE(nfsd, nfsd_mod, SI_SUB_VFS, SI_ORDER_ANY)static struct mod_depend _nfsd_depend_on_kernel __attribute__
((__section__(".data"))) = { 1300006, 1300006, (((((1300006)+
((100000)-1))/(100000))*(100000)) - 1) }; static struct mod_metadata
_mod_metadata_md_nfsd_on_kernel = { 1, 1, &_nfsd_depend_on_kernel
, "kernel" }; __asm__(".globl " "__start_set_modmetadata_set"
); __asm__(".globl " "__stop_set_modmetadata_set"); static void
const * const __set_modmetadata_set_sym__mod_metadata_md_nfsd_on_kernel
__attribute__((__section__("set_" "modmetadata_set"))) __attribute__
((__used__)) = &(_mod_metadata_md_nfsd_on_kernel); static
struct mod_metadata _mod_metadata_md_nfsd = { 1, 2, &nfsd_mod
, "nfsd" }; __asm__(".globl " "__start_set_modmetadata_set");
__asm__(".globl " "__stop_set_modmetadata_set"); static void
const * const __set_modmetadata_set_sym__mod_metadata_md_nfsd
__attribute__((__section__("set_" "modmetadata_set"))) __attribute__
((__used__)) = &(_mod_metadata_md_nfsd); static struct sysinit
nfsdmodule_sys_init = { SI_SUB_VFS, SI_ORDER_ANY, (sysinit_cfunc_t
)(sysinit_nfunc_t)module_register_init, ((void *)(&nfsd_mod
)) }; __asm__(".globl " "__start_set_sysinit_set"); __asm__(".globl "
"__stop_set_sysinit_set"); static void const * __set_sysinit_set_sym_nfsdmodule_sys_init
__attribute__((__section__("set_" "sysinit_set"))) __attribute__
((__used__)) = &(nfsdmodule_sys_init); struct __hack;
5829
5830/* So that loader and kldload(2) can find us, wherever we are.. */
5831MODULE_VERSION(nfsd, 1)static struct mod_version _nfsd_version __attribute__((__section__
(".data"))) = { 1 }; static struct mod_metadata _mod_metadata_nfsd_version
= { 1, 3, &_nfsd_version, "nfsd" }; __asm__(".globl " "__start_set_modmetadata_set"
); __asm__(".globl " "__stop_set_modmetadata_set"); static void
const * const __set_modmetadata_set_sym__mod_metadata_nfsd_version
__attribute__((__section__("set_" "modmetadata_set"))) __attribute__
((__used__)) = &(_mod_metadata_nfsd_version);
5832MODULE_DEPEND(nfsd, nfscommon, 1, 1, 1)static struct mod_depend _nfsd_depend_on_nfscommon __attribute__
((__section__(".data"))) = { 1, 1, 1 }; static struct mod_metadata
_mod_metadata_md_nfsd_on_nfscommon = { 1, 1, &_nfsd_depend_on_nfscommon
, "nfscommon" }; __asm__(".globl " "__start_set_modmetadata_set"
); __asm__(".globl " "__stop_set_modmetadata_set"); static void
const * const __set_modmetadata_set_sym__mod_metadata_md_nfsd_on_nfscommon
__attribute__((__section__("set_" "modmetadata_set"))) __attribute__
((__used__)) = &(_mod_metadata_md_nfsd_on_nfscommon);
5833MODULE_DEPEND(nfsd, nfslock, 1, 1, 1)static struct mod_depend _nfsd_depend_on_nfslock __attribute__
((__section__(".data"))) = { 1, 1, 1 }; static struct mod_metadata
_mod_metadata_md_nfsd_on_nfslock = { 1, 1, &_nfsd_depend_on_nfslock
, "nfslock" }; __asm__(".globl " "__start_set_modmetadata_set"
); __asm__(".globl " "__stop_set_modmetadata_set"); static void
const * const __set_modmetadata_set_sym__mod_metadata_md_nfsd_on_nfslock
__attribute__((__section__("set_" "modmetadata_set"))) __attribute__
((__used__)) = &(_mod_metadata_md_nfsd_on_nfslock);
5834MODULE_DEPEND(nfsd, nfslockd, 1, 1, 1)static struct mod_depend _nfsd_depend_on_nfslockd __attribute__
((__section__(".data"))) = { 1, 1, 1 }; static struct mod_metadata
_mod_metadata_md_nfsd_on_nfslockd = { 1, 1, &_nfsd_depend_on_nfslockd
, "nfslockd" }; __asm__(".globl " "__start_set_modmetadata_set"
); __asm__(".globl " "__stop_set_modmetadata_set"); static void
const * const __set_modmetadata_set_sym__mod_metadata_md_nfsd_on_nfslockd
__attribute__((__section__("set_" "modmetadata_set"))) __attribute__
((__used__)) = &(_mod_metadata_md_nfsd_on_nfslockd);
5835MODULE_DEPEND(nfsd, krpc, 1, 1, 1)static struct mod_depend _nfsd_depend_on_krpc __attribute__((
__section__(".data"))) = { 1, 1, 1 }; static struct mod_metadata
_mod_metadata_md_nfsd_on_krpc = { 1, 1, &_nfsd_depend_on_krpc
, "krpc" }; __asm__(".globl " "__start_set_modmetadata_set");
__asm__(".globl " "__stop_set_modmetadata_set"); static void
const * const __set_modmetadata_set_sym__mod_metadata_md_nfsd_on_krpc
__attribute__((__section__("set_" "modmetadata_set"))) __attribute__
((__used__)) = &(_mod_metadata_md_nfsd_on_krpc);
5836MODULE_DEPEND(nfsd, nfssvc, 1, 1, 1)static struct mod_depend _nfsd_depend_on_nfssvc __attribute__
((__section__(".data"))) = { 1, 1, 1 }; static struct mod_metadata
_mod_metadata_md_nfsd_on_nfssvc = { 1, 1, &_nfsd_depend_on_nfssvc
, "nfssvc" }; __asm__(".globl " "__start_set_modmetadata_set"
); __asm__(".globl " "__stop_set_modmetadata_set"); static void
const * const __set_modmetadata_set_sym__mod_metadata_md_nfsd_on_nfssvc
__attribute__((__section__("set_" "modmetadata_set"))) __attribute__
((__used__)) = &(_mod_metadata_md_nfsd_on_nfssvc);
5837