Bug Summary

File:modules/nfsd/../../fs/nfsserver/nfs_nfsdport.c
Warning:line 3204, column 12
Copies out a struct with a union element with different sizes

Annotated Source Code

1/*-
2 * Copyright (c) 1989, 1993
3 * The Regents of the University of California. All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Rick Macklem at The University of Guelph.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 4. Neither the name of the University nor the names of its contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 */
33
34#include <sys/cdefs.h>
35__FBSDID("$FreeBSD: releng/11.0/sys/fs/nfsserver/nfs_nfsdport.c 298788 2016-04-29 16:07:25Z pfg $")__asm__(".ident\t\"" "$FreeBSD: releng/11.0/sys/fs/nfsserver/nfs_nfsdport.c 298788 2016-04-29 16:07:25Z pfg $"
"\"");
36
37#include <sys/capsicum.h>
38
39/*
40 * Functions that perform the vfs operations required by the routines in
41 * nfsd_serv.c. It is hoped that this change will make the server more
42 * portable.
43 */
44
45#include <fs/nfs/nfsport.h>
46#include <sys/hash.h>
47#include <sys/sysctl.h>
48#include <nlm/nlm_prot.h>
49#include <nlm/nlm.h>
50
51FEATURE(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" }; __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) &
0xf) == 2) && sizeof(int) == sizeof(*(((int *)((void
*)0)))), "compile-time assertion failed");
52
53extern u_int32_t newnfs_true, newnfs_false, newnfs_xdrneg1;
54extern int nfsrv_useacl;
55extern int newnfs_numnfsd;
56extern struct mount nfsv4root_mnt;
57extern struct nfsrv_stablefirst nfsrv_stablefirst;
58extern void (*nfsd_call_servertimer)(void);
59extern SVCPOOL *nfsrvd_pool;
60extern struct nfsv4lock nfsd_suspend_lock;
61extern struct nfsclienthashhead *nfsclienthash;
62extern struct nfslockhashhead *nfslockhash;
63extern struct nfssessionhash *nfssessionhash;
64extern int nfsrv_sessionhashsize;
65struct vfsoptlist nfsv4root_opt, nfsv4root_newopt;
66NFSDLOCKMUTEXextern struct mtx newnfsd_mtx;
67struct nfsrchash_bucket nfsrchash_table[NFSRVCACHE_HASHSIZE500];
68struct nfsrchash_bucket nfsrcahash_table[NFSRVCACHE_HASHSIZE500];
69struct mtx nfsrc_udpmtx;
70struct mtx nfs_v4root_mutex;
71struct nfsrvfh nfs_rootfh, nfs_pubfh;
72int nfs_pubfhset = 0, nfs_rootfhset = 0;
73struct proc *nfsd_master_proc = NULL((void *)0);
74int nfsd_debuglevel = 0;
75static pid_t nfsd_master_pid = (pid_t)-1;
76static char nfsd_master_comm[MAXCOMLEN19 + 1];
77static struct timeval nfsd_master_start;
78static uint32_t nfsv4_sysid = 0;
79
80static int nfssvc_srvcall(struct thread *, struct nfssvc_args *,
81 struct ucred *);
82
83int nfsrv_enable_crossmntpt = 1;
84static int nfs_commit_blks;
85static int nfs_commit_miss;
86extern int nfsrv_issuedelegs;
87extern int nfsrv_dolocallocks;
88extern int nfsd_enable_stringtouid;
89
90SYSCTL_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"
}; __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)) &
0xf) == 1, "compile-time assertion failed");
91SYSCTL_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"
}; __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)) & 0xf) == 2) && sizeof(int) == sizeof
(*(&nfsrv_enable_crossmntpt)), "compile-time assertion failed"
)
92 &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"
}; __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)) & 0xf) == 2) && sizeof(int) == sizeof
(*(&nfsrv_enable_crossmntpt)), "compile-time assertion failed"
);
93SYSCTL_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 = "" }; __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)) & 0xf) == 2) && sizeof(int) == sizeof
(*(&nfs_commit_blks)), "compile-time assertion failed")
94 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 = "" }; __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)) & 0xf) == 2) && sizeof(int) == sizeof
(*(&nfs_commit_blks)), "compile-time assertion failed");
95SYSCTL_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 = "" }; __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)) & 0xf) == 2) && sizeof(int) == sizeof
(*(&nfs_commit_miss)), "compile-time assertion failed")
96 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 = "" }; __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)) & 0xf) == 2) && sizeof(int) == sizeof
(*(&nfs_commit_miss)), "compile-time assertion failed");
97SYSCTL_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" }; __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)) & 0xf) == 2) && sizeof(int) == sizeof
(*(&nfsrv_issuedelegs)), "compile-time assertion failed")
98 &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" }; __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)) & 0xf) == 2) && sizeof(int) == sizeof
(*(&nfsrv_issuedelegs)), "compile-time assertion failed");
99SYSCTL_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" }; __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)) & 0xf) == 2) && sizeof(int) == sizeof
(*(&nfsrv_dolocallocks)), "compile-time assertion failed"
)
100 &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" }; __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)) & 0xf) == 2) && sizeof(int) == sizeof
(*(&nfsrv_dolocallocks)), "compile-time assertion failed"
);
101SYSCTL_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"
}; __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)) & 0xf) == 2) && sizeof(int) == sizeof
(*(&nfsd_debuglevel)), "compile-time assertion failed")
102 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"
}; __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)) & 0xf) == 2) && sizeof(int) == sizeof
(*(&nfsd_debuglevel)), "compile-time assertion failed");
103SYSCTL_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"
}; __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)) & 0xf) == 2) && sizeof(int) == sizeof
(*(&nfsd_enable_stringtouid)), "compile-time assertion failed"
)
104 &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"
}; __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)) & 0xf) == 2) && sizeof(int) == sizeof
(*(&nfsd_enable_stringtouid)), "compile-time assertion failed"
);
105
106#define MAX_REORDERED_RPC16 16
107#define NUM_HEURISTIC1031 1031
108#define NHUSE_INIT64 64
109#define NHUSE_INC16 16
110#define NHUSE_MAX2048 2048
111
112static struct nfsheur {
113 struct vnode *nh_vp; /* vp to match (unreferenced pointer) */
114 off_t nh_nextoff; /* next offset for sequential detection */
115 int nh_use; /* use count for selection */
116 int nh_seqcount; /* heuristic */
117} nfsheur[NUM_HEURISTIC1031];
118
119
120/*
121 * Heuristic to detect sequential operation.
122 */
123static struct nfsheur *
124nfsrv_sequential_heuristic(struct uio *uio, struct vnode *vp)
125{
126 struct nfsheur *nh;
127 int hi, try;
128
129 /* Locate best candidate. */
130 try = 32;
131 hi = ((int)(vm_offset_t)vp / sizeof(struct vnode)) % NUM_HEURISTIC1031;
132 nh = &nfsheur[hi];
133 while (try--) {
134 if (nfsheur[hi].nh_vp == vp) {
135 nh = &nfsheur[hi];
136 break;
137 }
138 if (nfsheur[hi].nh_use > 0)
139 --nfsheur[hi].nh_use;
140 hi = (hi + 1) % NUM_HEURISTIC1031;
141 if (nfsheur[hi].nh_use < nh->nh_use)
142 nh = &nfsheur[hi];
143 }
144
145 /* Initialize hint if this is a new file. */
146 if (nh->nh_vp != vp) {
147 nh->nh_vp = vp;
148 nh->nh_nextoff = uio->uio_offset;
149 nh->nh_use = NHUSE_INIT64;
150 if (uio->uio_offset == 0)
151 nh->nh_seqcount = 4;
152 else
153 nh->nh_seqcount = 1;
154 }
155
156 /* Calculate heuristic. */
157 if ((uio->uio_offset == 0 && nh->nh_seqcount > 0) ||
158 uio->uio_offset == nh->nh_nextoff) {
159 /* See comments in vfs_vnops.c:sequential_heuristic(). */
160 nh->nh_seqcount += howmany(uio->uio_resid, 16384)(((uio->uio_resid)+((16384)-1))/(16384));
161 if (nh->nh_seqcount > IO_SEQMAX0x7F)
162 nh->nh_seqcount = IO_SEQMAX0x7F;
163 } else if (qabs(uio->uio_offset - nh->nh_nextoff) <= MAX_REORDERED_RPC16 *
164 imax(vp->v_mount->mnt_stat.f_iosize, uio->uio_resid)) {
165 /* Probably a reordered RPC, leave seqcount alone. */
166 } else if (nh->nh_seqcount > 1) {
167 nh->nh_seqcount /= 2;
168 } else {
169 nh->nh_seqcount = 0;
170 }
171 nh->nh_use += NHUSE_INC16;
172 if (nh->nh_use > NHUSE_MAX2048)
173 nh->nh_use = NHUSE_MAX2048;
174 return (nh);
175}
176
177/*
178 * Get attributes into nfsvattr structure.
179 */
180int
181nfsvno_getattr(struct vnode *vp, struct nfsvattr *nvap, struct ucred *cred,
182 struct thread *p, int vpislocked)
183{
184 int error, lockedit = 0;
185
186 if (vpislocked == 0) {
187 /*
188 * When vpislocked == 0, the vnode is either exclusively
189 * locked by this thread or not locked by this thread.
190 * As such, shared lock it, if not exclusively locked.
191 */
192 if (NFSVOPISLOCKED(vp)VOP_ISLOCKED((vp)) != LK_EXCLUSIVE0x080000) {
193 lockedit = 1;
194 NFSVOPLOCK(vp, LK_SHARED | LK_RETRY)_vn_lock((vp), (0x200000 | 0x000400), "/usr/src/sys/modules/nfsd/../../fs/nfsserver/nfs_nfsdport.c"
, 194);
195 }
196 }
197 error = VOP_GETATTR(vp, &nvap->na_vattr, cred);
198 if (lockedit != 0)
199 NFSVOPUNLOCK(vp, 0)VOP_UNLOCK((vp), (0));
200
201 NFSEXITCODE(error);
202 return (error);
203}
204
205/*
206 * Get a file handle for a vnode.
207 */
208int
209nfsvno_getfh(struct vnode *vp, fhandle_t *fhp, struct thread *p)
210{
211 int error;
212
213 NFSBZERO((caddr_t)fhp, sizeof(fhandle_t))bzero(((caddr_t)fhp), (sizeof(fhandle_t)));
214 fhp->fh_fsid = vp->v_mount->mnt_stat.f_fsid;
215 error = VOP_VPTOFH(vp, &fhp->fh_fid);
216
217 NFSEXITCODE(error);
218 return (error);
219}
220
221/*
222 * Perform access checking for vnodes obtained from file handles that would
223 * refer to files already opened by a Unix client. You cannot just use
224 * vn_writechk() and VOP_ACCESSX() for two reasons.
225 * 1 - You must check for exported rdonly as well as MNT_RDONLY for the write
226 * case.
227 * 2 - The owner is to be given access irrespective of mode bits for some
228 * operations, so that processes that chmod after opening a file don't
229 * break.
230 */
231int
232nfsvno_accchk(struct vnode *vp, accmode_t accmode, struct ucred *cred,
233 struct nfsexstuff *exp, struct thread *p, int override, int vpislocked,
234 u_int32_t *supportedtypep)
235{
236 struct vattr vattr;
237 int error = 0, getret = 0;
238
239 if (vpislocked == 0) {
240 if (NFSVOPLOCK(vp, LK_SHARED)_vn_lock((vp), (0x200000), "/usr/src/sys/modules/nfsd/../../fs/nfsserver/nfs_nfsdport.c"
, 240) != 0) {
241 error = EPERM1;
242 goto out;
243 }
244 }
245 if (accmode & VWRITE000000000200) {
246 /* Just vn_writechk() changed to check rdonly */
247 /*
248 * Disallow write attempts on read-only file systems;
249 * unless the file is a socket or a block or character
250 * device resident on the file system.
251 */
252 if (NFSVNO_EXRDONLY(exp)((exp)->nes_exflag & 0x0000000000000080ULL) ||
253 (vp->v_mount->mnt_flag & MNT_RDONLY0x0000000000000001ULL)) {
254 switch (vp->v_type) {
255 case VREG:
256 case VDIR:
257 case VLNK:
258 error = EROFS30;
259 default:
260 break;
261 }
262 }
263 /*
264 * If there's shared text associated with
265 * the inode, try to free it up once. If
266 * we fail, we can't allow writing.
267 */
268 if (VOP_IS_TEXT(vp) && error == 0)
269 error = ETXTBSY26;
270 }
271 if (error != 0) {
272 if (vpislocked == 0)
273 NFSVOPUNLOCK(vp, 0)VOP_UNLOCK((vp), (0));
274 goto out;
275 }
276
277 /*
278 * Should the override still be applied when ACLs are enabled?
279 */
280 error = VOP_ACCESSX(vp, accmode, cred, p);
281 if (error != 0 && (accmode & (VDELETE000010000000 | VDELETE_CHILD000001000000))) {
282 /*
283 * Try again with VEXPLICIT_DENY, to see if the test for
284 * deletion is supported.
285 */
286 error = VOP_ACCESSX(vp, accmode | VEXPLICIT_DENY000000100000, cred, p);
287 if (error == 0) {
288 if (vp->v_type == VDIR) {
289 accmode &= ~(VDELETE000010000000 | VDELETE_CHILD000001000000);
290 accmode |= VWRITE000000000200;
291 error = VOP_ACCESSX(vp, accmode, cred, p);
292 } else if (supportedtypep != NULL((void *)0)) {
293 *supportedtypep &= ~NFSACCESS_DELETE0x10;
294 }
295 }
296 }
297
298 /*
299 * Allow certain operations for the owner (reads and writes
300 * on files that are already open).
301 */
302 if (override != NFSACCCHK_NOOVERRIDE0 &&
303 (error == EPERM1 || error == EACCES13)) {
304 if (cred->cr_uid == 0 && (override & NFSACCCHK_ALLOWROOT1))
305 error = 0;
306 else if (override & NFSACCCHK_ALLOWOWNER2) {
307 getret = VOP_GETATTR(vp, &vattr, cred);
308 if (getret == 0 && cred->cr_uid == vattr.va_uid)
309 error = 0;
310 }
311 }
312 if (vpislocked == 0)
313 NFSVOPUNLOCK(vp, 0)VOP_UNLOCK((vp), (0));
314
315out:
316 NFSEXITCODE(error);
317 return (error);
318}
319
320/*
321 * Set attribute(s) vnop.
322 */
323int
324nfsvno_setattr(struct vnode *vp, struct nfsvattr *nvap, struct ucred *cred,
325 struct thread *p, struct nfsexstuff *exp)
326{
327 int error;
328
329 error = VOP_SETATTR(vp, &nvap->na_vattr, cred);
330 NFSEXITCODE(error);
331 return (error);
332}
333
334/*
335 * Set up nameidata for a lookup() call and do it.
336 */
337int
338nfsvno_namei(struct nfsrv_descript *nd, struct nameidata *ndp,
339 struct vnode *dp, int islocked, struct nfsexstuff *exp, struct thread *p,
340 struct vnode **retdirp)
341{
342 struct componentname *cnp = &ndp->ni_cnd;
343 int i;
344 struct iovec aiov;
345 struct uio auio;
346 int lockleaf = (cnp->cn_flags & LOCKLEAF0x0004) != 0, linklen;
347 int error = 0, crossmnt;
348 char *cp;
349
350 *retdirp = NULL((void *)0);
351 cnp->cn_nameptr = cnp->cn_pnbuf;
352 ndp->ni_strictrelative = 0;
353 /*
354 * Extract and set starting directory.
355 */
356 if (dp->v_type != VDIR) {
357 if (islocked)
358 vput(dp);
359 else
360 vrele(dp);
361 nfsvno_relpathbuf(ndp);
362 error = ENOTDIR20;
363 goto out1;
364 }
365 if (islocked)
366 NFSVOPUNLOCK(dp, 0)VOP_UNLOCK((dp), (0));
367 VREF(dp)vref(dp);
368 *retdirp = dp;
369 if (NFSVNO_EXRDONLY(exp)((exp)->nes_exflag & 0x0000000000000080ULL))
370 cnp->cn_flags |= RDONLY0x00000200;
371 ndp->ni_segflg = UIO_SYSSPACE;
372 crossmnt = 1;
373
374 if (nd->nd_flag & ND_PUBLOOKUP0x00000800) {
375 ndp->ni_loopcnt = 0;
376 if (cnp->cn_pnbuf[0] == '/') {
377 vrele(dp);
378 /*
379 * Check for degenerate pathnames here, since lookup()
380 * panics on them.
381 */
382 for (i = 1; i < ndp->ni_pathlen; i++)
383 if (cnp->cn_pnbuf[i] != '/')
384 break;
385 if (i == ndp->ni_pathlen) {
386 error = NFSERR_ACCES13;
387 goto out;
388 }
389 dp = rootvnode;
390 VREF(dp)vref(dp);
391 }
392 } else if ((nfsrv_enable_crossmntpt == 0 && NFSVNO_EXPORTED(exp)((exp)->nes_exflag & 0x0000000000000100ULL)) ||
393 (nd->nd_flag & ND_NFSV40x00000010) == 0) {
394 /*
395 * Only cross mount points for NFSv4 when doing a
396 * mount while traversing the file system above
397 * the mount point, unless nfsrv_enable_crossmntpt is set.
398 */
399 cnp->cn_flags |= NOCROSSMOUNT0x00400000;
400 crossmnt = 0;
401 }
402
403 /*
404 * Initialize for scan, set ni_startdir and bump ref on dp again
405 * because lookup() will dereference ni_startdir.
406 */
407
408 cnp->cn_thread = p;
409 ndp->ni_startdir = dp;
410 ndp->ni_rootdir = rootvnode;
411 ndp->ni_topdir = NULL((void *)0);
412
413 if (!lockleaf)
414 cnp->cn_flags |= LOCKLEAF0x0004;
415 for (;;) {
416 cnp->cn_nameptr = cnp->cn_pnbuf;
417 /*
418 * Call lookup() to do the real work. If an error occurs,
419 * ndp->ni_vp and ni_dvp are left uninitialized or NULL and
420 * we do not have to dereference anything before returning.
421 * In either case ni_startdir will be dereferenced and NULLed
422 * out.
423 */
424 error = lookup(ndp);
425 if (error)
426 break;
427
428 /*
429 * Check for encountering a symbolic link. Trivial
430 * termination occurs if no symlink encountered.
431 */
432 if ((cnp->cn_flags & ISSYMLINK0x00010000) == 0) {
433 if ((cnp->cn_flags & (SAVENAME0x00000800 | SAVESTART0x00001000)) == 0)
434 nfsvno_relpathbuf(ndp);
435 if (ndp->ni_vp && !lockleaf)
436 NFSVOPUNLOCK(ndp->ni_vp, 0)VOP_UNLOCK((ndp->ni_vp), (0));
437 break;
438 }
439
440 /*
441 * Validate symlink
442 */
443 if ((cnp->cn_flags & LOCKPARENT0x0008) && ndp->ni_pathlen == 1)
444 NFSVOPUNLOCK(ndp->ni_dvp, 0)VOP_UNLOCK((ndp->ni_dvp), (0));
445 if (!(nd->nd_flag & ND_PUBLOOKUP0x00000800)) {
446 error = EINVAL22;
447 goto badlink2;
448 }
449
450 if (ndp->ni_loopcnt++ >= MAXSYMLINKS32) {
451 error = ELOOP62;
452 goto badlink2;
453 }
454 if (ndp->ni_pathlen > 1)
455 cp = uma_zalloc(namei_zone, M_WAITOK0x0002);
456 else
457 cp = cnp->cn_pnbuf;
458 aiov.iov_base = cp;
459 aiov.iov_len = MAXPATHLEN1024;
460 auio.uio_iov = &aiov;
461 auio.uio_iovcnt = 1;
462 auio.uio_offset = 0;
463 auio.uio_rw = UIO_READ;
464 auio.uio_segflg = UIO_SYSSPACE;
465 auio.uio_td = NULL((void *)0);
466 auio.uio_resid = MAXPATHLEN1024;
467 error = VOP_READLINK(ndp->ni_vp, &auio, cnp->cn_cred);
468 if (error) {
469 badlink1:
470 if (ndp->ni_pathlen > 1)
471 uma_zfree(namei_zone, cp);
472 badlink2:
473 vrele(ndp->ni_dvp);
474 vput(ndp->ni_vp);
475 break;
476 }
477 linklen = MAXPATHLEN1024 - auio.uio_resid;
478 if (linklen == 0) {
479 error = ENOENT2;
480 goto badlink1;
481 }
482 if (linklen + ndp->ni_pathlen >= MAXPATHLEN1024) {
483 error = ENAMETOOLONG63;
484 goto badlink1;
485 }
486
487 /*
488 * Adjust or replace path
489 */
490 if (ndp->ni_pathlen > 1) {
491 NFSBCOPY(ndp->ni_next, cp + linklen, ndp->ni_pathlen)bcopy((ndp->ni_next), (cp + linklen), (ndp->ni_pathlen)
);
492 uma_zfree(namei_zone, cnp->cn_pnbuf);
493 cnp->cn_pnbuf = cp;
494 } else
495 cnp->cn_pnbuf[linklen] = '\0';
496 ndp->ni_pathlen += linklen;
497
498 /*
499 * Cleanup refs for next loop and check if root directory
500 * should replace current directory. Normally ni_dvp
501 * becomes the new base directory and is cleaned up when
502 * we loop. Explicitly null pointers after invalidation
503 * to clarify operation.
504 */
505 vput(ndp->ni_vp);
506 ndp->ni_vp = NULL((void *)0);
507
508 if (cnp->cn_pnbuf[0] == '/') {
509 vrele(ndp->ni_dvp);
510 ndp->ni_dvp = ndp->ni_rootdir;
511 VREF(ndp->ni_dvp)vref(ndp->ni_dvp);
512 }
513 ndp->ni_startdir = ndp->ni_dvp;
514 ndp->ni_dvp = NULL((void *)0);
515 }
516 if (!lockleaf)
517 cnp->cn_flags &= ~LOCKLEAF0x0004;
518
519out:
520 if (error) {
521 nfsvno_relpathbuf(ndp);
522 ndp->ni_vp = NULL((void *)0);
523 ndp->ni_dvp = NULL((void *)0);
524 ndp->ni_startdir = NULL((void *)0);
525 } else if ((ndp->ni_cnd.cn_flags & (WANTPARENT0x0010|LOCKPARENT0x0008)) == 0) {
526 ndp->ni_dvp = NULL((void *)0);
527 }
528
529out1:
530 NFSEXITCODE2(error, nd);
531 return (error);
532}
533
534/*
535 * Set up a pathname buffer and return a pointer to it and, optionally
536 * set a hash pointer.
537 */
538void
539nfsvno_setpathbuf(struct nameidata *ndp, char **bufpp, u_long **hashpp)
540{
541 struct componentname *cnp = &ndp->ni_cnd;
542
543 cnp->cn_flags |= (NOMACCHECK0x00800000 | HASBUF0x00000400);
544 cnp->cn_pnbuf = uma_zalloc(namei_zone, M_WAITOK0x0002);
545 if (hashpp != NULL((void *)0))
546 *hashpp = NULL((void *)0);
547 *bufpp = cnp->cn_pnbuf;
548}
549
550/*
551 * Release the above path buffer, if not released by nfsvno_namei().
552 */
553void
554nfsvno_relpathbuf(struct nameidata *ndp)
555{
556
557 if ((ndp->ni_cnd.cn_flags & HASBUF0x00000400) == 0)
558 panic("nfsrelpath");
559 uma_zfree(namei_zone, ndp->ni_cnd.cn_pnbuf);
560 ndp->ni_cnd.cn_flags &= ~HASBUF0x00000400;
561}
562
563/*
564 * Readlink vnode op into an mbuf list.
565 */
566int
567nfsvno_readlink(struct vnode *vp, struct ucred *cred, struct thread *p,
568 struct mbuf **mpp, struct mbuf **mpendp, int *lenp)
569{
570 struct iovec iv[(NFS_MAXPATHLEN1024+MLEN((int)(256 - __builtin_offsetof(struct mbuf, m_dat)))-1)/MLEN((int)(256 - __builtin_offsetof(struct mbuf, m_dat)))];
571 struct iovec *ivp = iv;
572 struct uio io, *uiop = &io;
573 struct mbuf *mp, *mp2 = NULL((void *)0), *mp3 = NULL((void *)0);
574 int i, len, tlen, error = 0;
575
576 len = 0;
577 i = 0;
578 while (len < NFS_MAXPATHLEN1024) {
579 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);
580 MCLGET(mp, M_WAITOK)m_clget((mp), (0x0002));
581 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))));
582 if (len == 0) {
583 mp3 = mp2 = mp;
584 } else {
585 mp2->m_next = mp;
586 mp2 = mp;
587 }
588 if ((len + mp->m_len) > NFS_MAXPATHLEN1024) {
589 mp->m_len = NFS_MAXPATHLEN1024 - len;
590 len = NFS_MAXPATHLEN1024;
591 } else {
592 len += mp->m_len;
593 }
594 ivp->iov_base = mtod(mp, caddr_t)((caddr_t)((mp)->m_data));
595 ivp->iov_len = mp->m_len;
596 i++;
597 ivp++;
598 }
599 uiop->uio_iov = iv;
600 uiop->uio_iovcnt = i;
601 uiop->uio_offset = 0;
602 uiop->uio_resid = len;
603 uiop->uio_rw = UIO_READ;
604 uiop->uio_segflg = UIO_SYSSPACE;
605 uiop->uio_td = NULL((void *)0);
606 error = VOP_READLINK(vp, uiop, cred);
607 if (error) {
608 m_freem(mp3);
609 *lenp = 0;
610 goto out;
611 }
612 if (uiop->uio_resid > 0) {
613 len -= uiop->uio_resid;
614 tlen = NFSM_RNDUP(len)(((len)+3)&(~0x3));
615 nfsrv_adj(mp3, NFS_MAXPATHLEN1024 - tlen, tlen - len);
616 }
617 *lenp = len;
618 *mpp = mp3;
619 *mpendp = mp;
620
621out:
622 NFSEXITCODE(error);
623 return (error);
624}
625
626/*
627 * Read vnode op call into mbuf list.
628 */
629int
630nfsvno_read(struct vnode *vp, off_t off, int cnt, struct ucred *cred,
631 struct thread *p, struct mbuf **mpp, struct mbuf **mpendp)
632{
633 struct mbuf *m;
634 int i;
635 struct iovec *iv;
636 struct iovec *iv2;
637 int error = 0, len, left, siz, tlen, ioflag = 0;
638 struct mbuf *m2 = NULL((void *)0), *m3;
639 struct uio io, *uiop = &io;
640 struct nfsheur *nh;
641
642 len = left = NFSM_RNDUP(cnt)(((cnt)+3)&(~0x3));
643 m3 = NULL((void *)0);
644 /*
645 * Generate the mbuf list with the uio_iov ref. to it.
646 */
647 i = 0;
648 while (left > 0) {
649 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);
650 MCLGET(m, M_WAITOK)m_clget((m), (0x0002));
651 m->m_len = 0;
652 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);
653 left -= siz;
654 i++;
655 if (m3)
656 m2->m_next = m;
657 else
658 m3 = m;
659 m2 = m;
660 }
661 MALLOC(iv, struct iovec *, i * sizeof (struct iovec),((iv) = (struct iovec *)malloc((u_long)(i * sizeof (struct iovec
)), (M_TEMP), (0x0002)))
662 M_TEMP, M_WAITOK)((iv) = (struct iovec *)malloc((u_long)(i * sizeof (struct iovec
)), (M_TEMP), (0x0002)));
663 uiop->uio_iov = iv2 = iv;
664 m = m3;
665 left = len;
666 i = 0;
667 while (left > 0) {
668 if (m == NULL((void *)0))
669 panic("nfsvno_read iov");
670 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);
671 if (siz > 0) {
672 iv->iov_base = mtod(m, caddr_t)((caddr_t)((m)->m_data)) + m->m_len;
673 iv->iov_len = siz;
674 m->m_len += siz;
675 left -= siz;
676 iv++;
677 i++;
678 }
679 m = m->m_next;
680 }
681 uiop->uio_iovcnt = i;
682 uiop->uio_offset = off;
683 uiop->uio_resid = len;
684 uiop->uio_rw = UIO_READ;
685 uiop->uio_segflg = UIO_SYSSPACE;
686 uiop->uio_td = NULL((void *)0);
687 nh = nfsrv_sequential_heuristic(uiop, vp);
688 ioflag |= nh->nh_seqcount << IO_SEQSHIFT16;
689 error = VOP_READ(vp, uiop, IO_NODELOCKED0x0008 | ioflag, cred);
690 FREE((caddr_t)iv2, M_TEMP)free(((caddr_t)iv2), (M_TEMP));
691 if (error) {
692 m_freem(m3);
693 *mpp = NULL((void *)0);
694 goto out;
695 }
696 nh->nh_nextoff = uiop->uio_offset;
697 tlen = len - uiop->uio_resid;
698 cnt = cnt < tlen ? cnt : tlen;
699 tlen = NFSM_RNDUP(cnt)(((cnt)+3)&(~0x3));
700 if (tlen == 0) {
701 m_freem(m3);
702 m3 = NULL((void *)0);
703 } else if (len != tlen || tlen != cnt)
704 nfsrv_adj(m3, len - tlen, tlen - cnt);
705 *mpp = m3;
706 *mpendp = m2;
707
708out:
709 NFSEXITCODE(error);
710 return (error);
711}
712
713/*
714 * Write vnode op from an mbuf list.
715 */
716int
717nfsvno_write(struct vnode *vp, off_t off, int retlen, int cnt, int stable,
718 struct mbuf *mp, char *cp, struct ucred *cred, struct thread *p)
719{
720 struct iovec *ivp;
721 int i, len;
722 struct iovec *iv;
723 int ioflags, error;
724 struct uio io, *uiop = &io;
725 struct nfsheur *nh;
726
727 MALLOC(ivp, struct iovec *, cnt * sizeof (struct iovec), M_TEMP,((ivp) = (struct iovec *)malloc((u_long)(cnt * sizeof (struct
iovec)), (M_TEMP), (0x0002)))
728 M_WAITOK)((ivp) = (struct iovec *)malloc((u_long)(cnt * sizeof (struct
iovec)), (M_TEMP), (0x0002)));
729 uiop->uio_iov = iv = ivp;
730 uiop->uio_iovcnt = cnt;
731 i = mtod(mp, caddr_t)((caddr_t)((mp)->m_data)) + mp->m_len - cp;
732 len = retlen;
733 while (len > 0) {
734 if (mp == NULL((void *)0))
735 panic("nfsvno_write");
736 if (i > 0) {
737 i = min(i, len);
738 ivp->iov_base = cp;
739 ivp->iov_len = i;
740 ivp++;
741 len -= i;
742 }
743 mp = mp->m_next;
744 if (mp) {
745 i = mp->m_len;
746 cp = mtod(mp, caddr_t)((caddr_t)((mp)->m_data));
747 }
748 }
749
750 if (stable == NFSWRITE_UNSTABLE0)
751 ioflags = IO_NODELOCKED0x0008;
752 else
753 ioflags = (IO_SYNC0x0080 | IO_NODELOCKED0x0008);
754 uiop->uio_resid = retlen;
755 uiop->uio_rw = UIO_WRITE;
756 uiop->uio_segflg = UIO_SYSSPACE;
757 NFSUIOPROC(uiop, p)((uiop)->uio_td = ((void *)0));
758 uiop->uio_offset = off;
759 nh = nfsrv_sequential_heuristic(uiop, vp);
760 ioflags |= nh->nh_seqcount << IO_SEQSHIFT16;
761 error = VOP_WRITE(vp, uiop, ioflags, cred);
762 if (error == 0)
763 nh->nh_nextoff = uiop->uio_offset;
764 FREE((caddr_t)iv, M_TEMP)free(((caddr_t)iv), (M_TEMP));
765
766 NFSEXITCODE(error);
767 return (error);
768}
769
770/*
771 * Common code for creating a regular file (plus special files for V2).
772 */
773int
774nfsvno_createsub(struct nfsrv_descript *nd, struct nameidata *ndp,
775 struct vnode **vpp, struct nfsvattr *nvap, int *exclusive_flagp,
776 int32_t *cverf, NFSDEV_Tdev_t rdev, struct thread *p, struct nfsexstuff *exp)
777{
778 u_quad_t tempsize;
779 int error;
780
781 error = nd->nd_repstat;
782 if (!error && ndp->ni_vp == NULL((void *)0)) {
783 if (nvap->na_typena_vattr.va_type == VREG || nvap->na_typena_vattr.va_type == VSOCK) {
784 vrele(ndp->ni_startdir);
785 error = VOP_CREATE(ndp->ni_dvp,
786 &ndp->ni_vp, &ndp->ni_cnd, &nvap->na_vattr);
787 vput(ndp->ni_dvp);
788 nfsvno_relpathbuf(ndp);
789 if (!error) {
790 if (*exclusive_flagp) {
791 *exclusive_flagp = 0;
792 NFSVNO_ATTRINIT(nvap)((*(&((nvap)->na_vattr)) = va_null));
793 nvap->na_atimena_vattr.va_atime.tv_sec = cverf[0];
794 nvap->na_atimena_vattr.va_atime.tv_nsec = cverf[1];
795 error = VOP_SETATTR(ndp->ni_vp,
796 &nvap->na_vattr, nd->nd_cred);
797 if (error != 0) {
798 vput(ndp->ni_vp);
799 ndp->ni_vp = NULL((void *)0);
800 error = NFSERR_NOTSUPP10004;
801 }
802 }
803 }
804 /*
805 * NFS V2 Only. nfsrvd_mknod() does this for V3.
806 * (This implies, just get out on an error.)
807 */
808 } else if (nvap->na_typena_vattr.va_type == VCHR || nvap->na_typena_vattr.va_type == VBLK ||
809 nvap->na_typena_vattr.va_type == VFIFO) {
810 if (nvap->na_typena_vattr.va_type == VCHR && rdev == 0xffffffff)
811 nvap->na_typena_vattr.va_type = VFIFO;
812 if (nvap->na_typena_vattr.va_type != VFIFO &&
813 (error = priv_check_cred(nd->nd_cred,
814 PRIV_VFS_MKNOD_DEV331, 0))) {
815 vrele(ndp->ni_startdir);
816 nfsvno_relpathbuf(ndp);
817 vput(ndp->ni_dvp);
818 goto out;
819 }
820 nvap->na_rdevna_vattr.va_rdev = rdev;
821 error = VOP_MKNOD(ndp->ni_dvp, &ndp->ni_vp,
822 &ndp->ni_cnd, &nvap->na_vattr);
823 vput(ndp->ni_dvp);
824 nfsvno_relpathbuf(ndp);
825 vrele(ndp->ni_startdir);
826 if (error)
827 goto out;
828 } else {
829 vrele(ndp->ni_startdir);
830 nfsvno_relpathbuf(ndp);
831 vput(ndp->ni_dvp);
832 error = ENXIO6;
833 goto out;
834 }
835 *vpp = ndp->ni_vp;
836 } else {
837 /*
838 * Handle cases where error is already set and/or
839 * the file exists.
840 * 1 - clean up the lookup
841 * 2 - iff !error and na_size set, truncate it
842 */
843 vrele(ndp->ni_startdir);
844 nfsvno_relpathbuf(ndp);
845 *vpp = ndp->ni_vp;
846 if (ndp->ni_dvp == *vpp)
847 vrele(ndp->ni_dvp);
848 else
849 vput(ndp->ni_dvp);
850 if (!error && nvap->na_sizena_vattr.va_size != VNOVAL(-1)) {
851 error = nfsvno_accchk(*vpp, VWRITE000000000200,
852 nd->nd_cred, exp, p, NFSACCCHK_NOOVERRIDE0,
853 NFSACCCHK_VPISLOCKED1, NULL((void *)0));
854 if (!error) {
855 tempsize = nvap->na_sizena_vattr.va_size;
856 NFSVNO_ATTRINIT(nvap)((*(&((nvap)->na_vattr)) = va_null));
857 nvap->na_sizena_vattr.va_size = tempsize;
858 error = VOP_SETATTR(*vpp,
859 &nvap->na_vattr, nd->nd_cred);
860 }
861 }
862 if (error)
863 vput(*vpp);
864 }
865
866out:
867 NFSEXITCODE(error);
868 return (error);
869}
870
871/*
872 * Do a mknod vnode op.
873 */
874int
875nfsvno_mknod(struct nameidata *ndp, struct nfsvattr *nvap, struct ucred *cred,
876 struct thread *p)
877{
878 int error = 0;
879 enum vtype vtyp;
880
881 vtyp = nvap->na_typena_vattr.va_type;
882 /*
883 * Iff doesn't exist, create it.
884 */
885 if (ndp->ni_vp) {
886 vrele(ndp->ni_startdir);
887 nfsvno_relpathbuf(ndp);
888 vput(ndp->ni_dvp);
889 vrele(ndp->ni_vp);
890 error = EEXIST17;
891 goto out;
892 }
893 if (vtyp != VCHR && vtyp != VBLK && vtyp != VSOCK && vtyp != VFIFO) {
894 vrele(ndp->ni_startdir);
895 nfsvno_relpathbuf(ndp);
896 vput(ndp->ni_dvp);
897 error = NFSERR_BADTYPE10007;
898 goto out;
899 }
900 if (vtyp == VSOCK) {
901 vrele(ndp->ni_startdir);
902 error = VOP_CREATE(ndp->ni_dvp, &ndp->ni_vp,
903 &ndp->ni_cnd, &nvap->na_vattr);
904 vput(ndp->ni_dvp);
905 nfsvno_relpathbuf(ndp);
906 } else {
907 if (nvap->na_typena_vattr.va_type != VFIFO &&
908 (error = priv_check_cred(cred, PRIV_VFS_MKNOD_DEV331, 0))) {
909 vrele(ndp->ni_startdir);
910 nfsvno_relpathbuf(ndp);
911 vput(ndp->ni_dvp);
912 goto out;
913 }
914 error = VOP_MKNOD(ndp->ni_dvp, &ndp->ni_vp,
915 &ndp->ni_cnd, &nvap->na_vattr);
916 vput(ndp->ni_dvp);
917 nfsvno_relpathbuf(ndp);
918 vrele(ndp->ni_startdir);
919 /*
920 * Since VOP_MKNOD returns the ni_vp, I can't
921 * see any reason to do the lookup.
922 */
923 }
924
925out:
926 NFSEXITCODE(error);
927 return (error);
928}
929
930/*
931 * Mkdir vnode op.
932 */
933int
934nfsvno_mkdir(struct nameidata *ndp, struct nfsvattr *nvap, uid_t saved_uid,
935 struct ucred *cred, struct thread *p, struct nfsexstuff *exp)
936{
937 int error = 0;
938
939 if (ndp->ni_vp != NULL((void *)0)) {
940 if (ndp->ni_dvp == ndp->ni_vp)
941 vrele(ndp->ni_dvp);
942 else
943 vput(ndp->ni_dvp);
944 vrele(ndp->ni_vp);
945 nfsvno_relpathbuf(ndp);
946 error = EEXIST17;
947 goto out;
948 }
949 error = VOP_MKDIR(ndp->ni_dvp, &ndp->ni_vp, &ndp->ni_cnd,
950 &nvap->na_vattr);
951 vput(ndp->ni_dvp);
952 nfsvno_relpathbuf(ndp);
953
954out:
955 NFSEXITCODE(error);
956 return (error);
957}
958
959/*
960 * symlink vnode op.
961 */
962int
963nfsvno_symlink(struct nameidata *ndp, struct nfsvattr *nvap, char *pathcp,
964 int pathlen, int not_v2, uid_t saved_uid, struct ucred *cred, struct thread *p,
965 struct nfsexstuff *exp)
966{
967 int error = 0;
968
969 if (ndp->ni_vp) {
970 vrele(ndp->ni_startdir);
971 nfsvno_relpathbuf(ndp);
972 if (ndp->ni_dvp == ndp->ni_vp)
973 vrele(ndp->ni_dvp);
974 else
975 vput(ndp->ni_dvp);
976 vrele(ndp->ni_vp);
977 error = EEXIST17;
978 goto out;
979 }
980
981 error = VOP_SYMLINK(ndp->ni_dvp, &ndp->ni_vp, &ndp->ni_cnd,
982 &nvap->na_vattr, pathcp);
983 vput(ndp->ni_dvp);
984 vrele(ndp->ni_startdir);
985 nfsvno_relpathbuf(ndp);
986 /*
987 * Although FreeBSD still had the lookup code in
988 * it for 7/current, there doesn't seem to be any
989 * point, since VOP_SYMLINK() returns the ni_vp.
990 * Just vput it for v2.
991 */
992 if (!not_v2 && !error)
993 vput(ndp->ni_vp);
994
995out:
996 NFSEXITCODE(error);
997 return (error);
998}
999
1000/*
1001 * Parse symbolic link arguments.
1002 * This function has an ugly side effect. It will MALLOC() an area for
1003 * the symlink and set iov_base to point to it, only if it succeeds.
1004 * So, if it returns with uiop->uio_iov->iov_base != NULL, that must
1005 * be FREE'd later.
1006 */
1007int
1008nfsvno_getsymlink(struct nfsrv_descript *nd, struct nfsvattr *nvap,
1009 struct thread *p, char **pathcpp, int *lenp)
1010{
1011 u_int32_t *tl;
1012 char *pathcp = NULL((void *)0);
1013 int error = 0, len;
1014 struct nfsv2_sattr *sp;
1015
1016 *pathcpp = NULL((void *)0);
1017 *lenp = 0;
1018 if ((nd->nd_flag & ND_NFSV30x00000008) &&
1019 (error = nfsrv_sattr(nd, NULL((void *)0), nvap, NULL((void *)0), NULL((void *)0), p)))
1020 goto nfsmout;
1021 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);
1022 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))));
1023 if (len > NFS_MAXPATHLEN1024 || len <= 0) {
1024 error = EBADRPC72;
1025 goto nfsmout;
1026 }
1027 MALLOC(pathcp, caddr_t, len + 1, M_TEMP, M_WAITOK)((pathcp) = (caddr_t)malloc((u_long)(len + 1), (M_TEMP), (0x0002
)));
1028 error = nfsrv_mtostr(nd, pathcp, len);
1029 if (error)
1030 goto nfsmout;
1031 if (nd->nd_flag & ND_NFSV20x00000004) {
1032 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
);
1033 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))));
1034 }
1035 *pathcpp = pathcp;
1036 *lenp = len;
1037 NFSEXITCODE2(0, nd);
1038 return (0);
1039nfsmout:
1040 if (pathcp)
1041 free(pathcp, M_TEMP);
1042 NFSEXITCODE2(error, nd);
1043 return (error);
1044}
1045
1046/*
1047 * Remove a non-directory object.
1048 */
1049int
1050nfsvno_removesub(struct nameidata *ndp, int is_v4, struct ucred *cred,
1051 struct thread *p, struct nfsexstuff *exp)
1052{
1053 struct vnode *vp;
1054 int error = 0;
1055
1056 vp = ndp->ni_vp;
1057 if (vp->v_type == VDIR)
1058 error = NFSERR_ISDIR21;
1059 else if (is_v4)
1060 error = nfsrv_checkremove(vp, 1, p);
1061 if (!error)
1062 error = VOP_REMOVE(ndp->ni_dvp, vp, &ndp->ni_cnd);
1063 if (ndp->ni_dvp == vp)
1064 vrele(ndp->ni_dvp);
1065 else
1066 vput(ndp->ni_dvp);
1067 vput(vp);
1068 if ((ndp->ni_cnd.cn_flags & SAVENAME0x00000800) != 0)
1069 nfsvno_relpathbuf(ndp);
1070 NFSEXITCODE(error);
1071 return (error);
1072}
1073
1074/*
1075 * Remove a directory.
1076 */
1077int
1078nfsvno_rmdirsub(struct nameidata *ndp, int is_v4, struct ucred *cred,
1079 struct thread *p, struct nfsexstuff *exp)
1080{
1081 struct vnode *vp;
1082 int error = 0;
1083
1084 vp = ndp->ni_vp;
1085 if (vp->v_type != VDIR) {
1086 error = ENOTDIR20;
1087 goto out;
1088 }
1089 /*
1090 * No rmdir "." please.
1091 */
1092 if (ndp->ni_dvp == vp) {
1093 error = EINVAL22;
1094 goto out;
1095 }
1096 /*
1097 * The root of a mounted filesystem cannot be deleted.
1098 */
1099 if (vp->v_vflag & VV_ROOT0x0001)
1100 error = EBUSY16;
1101out:
1102 if (!error)
1103 error = VOP_RMDIR(ndp->ni_dvp, vp, &ndp->ni_cnd);
1104 if (ndp->ni_dvp == vp)
1105 vrele(ndp->ni_dvp);
1106 else
1107 vput(ndp->ni_dvp);
1108 vput(vp);
1109 if ((ndp->ni_cnd.cn_flags & SAVENAME0x00000800) != 0)
1110 nfsvno_relpathbuf(ndp);
1111 NFSEXITCODE(error);
1112 return (error);
1113}
1114
1115/*
1116 * Rename vnode op.
1117 */
1118int
1119nfsvno_rename(struct nameidata *fromndp, struct nameidata *tondp,
1120 u_int32_t ndstat, u_int32_t ndflag, struct ucred *cred, struct thread *p)
1121{
1122 struct vnode *fvp, *tvp, *tdvp;
1123 int error = 0;
1124
1125 fvp = fromndp->ni_vp;
1126 if (ndstat) {
1127 vrele(fromndp->ni_dvp);
1128 vrele(fvp);
1129 error = ndstat;
1130 goto out1;
1131 }
1132 tdvp = tondp->ni_dvp;
1133 tvp = tondp->ni_vp;
1134 if (tvp != NULL((void *)0)) {
1135 if (fvp->v_type == VDIR && tvp->v_type != VDIR) {
1136 error = (ndflag & ND_NFSV20x00000004) ? EISDIR21 : EEXIST17;
1137 goto out;
1138 } else if (fvp->v_type != VDIR && tvp->v_type == VDIR) {
1139 error = (ndflag & ND_NFSV20x00000004) ? ENOTDIR20 : EEXIST17;
1140 goto out;
1141 }
1142 if (tvp->v_type == VDIR && tvp->v_mountedherev_un.vu_mount) {
1143 error = (ndflag & ND_NFSV20x00000004) ? ENOTEMPTY66 : EXDEV18;
1144 goto out;
1145 }
1146
1147 /*
1148 * A rename to '.' or '..' results in a prematurely
1149 * unlocked vnode on FreeBSD5, so I'm just going to fail that
1150 * here.
1151 */
1152 if ((tondp->ni_cnd.cn_namelen == 1 &&
1153 tondp->ni_cnd.cn_nameptr[0] == '.') ||
1154 (tondp->ni_cnd.cn_namelen == 2 &&
1155 tondp->ni_cnd.cn_nameptr[0] == '.' &&
1156 tondp->ni_cnd.cn_nameptr[1] == '.')) {
1157 error = EINVAL22;
1158 goto out;
1159 }
1160 }
1161 if (fvp->v_type == VDIR && fvp->v_mountedherev_un.vu_mount) {
1162 error = (ndflag & ND_NFSV20x00000004) ? ENOTEMPTY66 : EXDEV18;
1163 goto out;
1164 }
1165 if (fvp->v_mount != tdvp->v_mount) {
1166 error = (ndflag & ND_NFSV20x00000004) ? ENOTEMPTY66 : EXDEV18;
1167 goto out;
1168 }
1169 if (fvp == tdvp) {
1170 error = (ndflag & ND_NFSV20x00000004) ? ENOTEMPTY66 : EINVAL22;
1171 goto out;
1172 }
1173 if (fvp == tvp) {
1174 /*
1175 * If source and destination are the same, there is nothing to
1176 * do. Set error to -1 to indicate this.
1177 */
1178 error = -1;
1179 goto out;
1180 }
1181 if (ndflag & ND_NFSV40x00000010) {
1182 if (NFSVOPLOCK(fvp, LK_EXCLUSIVE)_vn_lock((fvp), (0x080000), "/usr/src/sys/modules/nfsd/../../fs/nfsserver/nfs_nfsdport.c"
, 1182) == 0) {
1183 error = nfsrv_checkremove(fvp, 0, p);
1184 NFSVOPUNLOCK(fvp, 0)VOP_UNLOCK((fvp), (0));
1185 } else
1186 error = EPERM1;
1187 if (tvp && !error)
1188 error = nfsrv_checkremove(tvp, 1, p);
1189 } else {
1190 /*
1191 * For NFSv2 and NFSv3, try to get rid of the delegation, so
1192 * that the NFSv4 client won't be confused by the rename.
1193 * Since nfsd_recalldelegation() can only be called on an
1194 * unlocked vnode at this point and fvp is the file that will
1195 * still exist after the rename, just do fvp.
1196 */
1197 nfsd_recalldelegation(fvp, p);
1198 }
1199out:
1200 if (!error) {
1201 error = VOP_RENAME(fromndp->ni_dvp, fromndp->ni_vp,
1202 &fromndp->ni_cnd, tondp->ni_dvp, tondp->ni_vp,
1203 &tondp->ni_cnd);
1204 } else {
1205 if (tdvp == tvp)
1206 vrele(tdvp);
1207 else
1208 vput(tdvp);
1209 if (tvp)
1210 vput(tvp);
1211 vrele(fromndp->ni_dvp);
1212 vrele(fvp);
1213 if (error == -1)
1214 error = 0;
1215 }
1216 vrele(tondp->ni_startdir);
1217 nfsvno_relpathbuf(tondp);
1218out1:
1219 vrele(fromndp->ni_startdir);
1220 nfsvno_relpathbuf(fromndp);
1221 NFSEXITCODE(error);
1222 return (error);
1223}
1224
1225/*
1226 * Link vnode op.
1227 */
1228int
1229nfsvno_link(struct nameidata *ndp, struct vnode *vp, struct ucred *cred,
1230 struct thread *p, struct nfsexstuff *exp)
1231{
1232 struct vnode *xp;
1233 int error = 0;
1234
1235 xp = ndp->ni_vp;
1236 if (xp != NULL((void *)0)) {
1237 error = EEXIST17;
1238 } else {
1239 xp = ndp->ni_dvp;
1240 if (vp->v_mount != xp->v_mount)
1241 error = EXDEV18;
1242 }
1243 if (!error) {
1244 NFSVOPLOCK(vp, LK_EXCLUSIVE | LK_RETRY)_vn_lock((vp), (0x080000 | 0x000400), "/usr/src/sys/modules/nfsd/../../fs/nfsserver/nfs_nfsdport.c"
, 1244);
1245 if ((vp->v_iflag & VI_DOOMED0x0080) == 0)
1246 error = VOP_LINK(ndp->ni_dvp, vp, &ndp->ni_cnd);
1247 else
1248 error = EPERM1;
1249 if (ndp->ni_dvp == vp)
1250 vrele(ndp->ni_dvp);
1251 else
1252 vput(ndp->ni_dvp);
1253 NFSVOPUNLOCK(vp, 0)VOP_UNLOCK((vp), (0));
1254 } else {
1255 if (ndp->ni_dvp == ndp->ni_vp)
1256 vrele(ndp->ni_dvp);
1257 else
1258 vput(ndp->ni_dvp);
1259 if (ndp->ni_vp)
1260 vrele(ndp->ni_vp);
1261 }
1262 nfsvno_relpathbuf(ndp);
1263 NFSEXITCODE(error);
1264 return (error);
1265}
1266
1267/*
1268 * Do the fsync() appropriate for the commit.
1269 */
1270int
1271nfsvno_fsync(struct vnode *vp, u_int64_t off, int cnt, struct ucred *cred,
1272 struct thread *td)
1273{
1274 int error = 0;
1275
1276 /*
1277 * RFC 1813 3.3.21: if count is 0, a flush from offset to the end of
1278 * file is done. At this time VOP_FSYNC does not accept offset and
1279 * byte count parameters so call VOP_FSYNC the whole file for now.
1280 * The same is true for NFSv4: RFC 3530 Sec. 14.2.3.
1281 * File systems that do not use the buffer cache (as indicated
1282 * by MNTK_USES_BCACHE not being set) must use VOP_FSYNC().
1283 */
1284 if (cnt == 0 || cnt > MAX_COMMIT_COUNT(1024 * 1024) ||
1285 (vp->v_mount->mnt_kern_flag & MNTK_USES_BCACHE0x00004000) == 0) {
1286 /*
1287 * Give up and do the whole thing
1288 */
1289 if (vp->v_objectv_bufobj.bo_object &&
1290 (vp->v_objectv_bufobj.bo_object->flags & OBJ_MIGHTBEDIRTY0x0100)) {
1291 VM_OBJECT_WLOCK(vp->v_object)_rw_wlock_cookie(&((&(vp->v_bufobj.bo_object)->
lock))->rw_lock, "/usr/src/sys/modules/nfsd/../../fs/nfsserver/nfs_nfsdport.c"
, 1291);
1292 vm_object_page_clean(vp->v_objectv_bufobj.bo_object, 0, 0, OBJPC_SYNC0x1);
1293 VM_OBJECT_WUNLOCK(vp->v_object)_rw_wunlock_cookie(&((&(vp->v_bufobj.bo_object)->
lock))->rw_lock, "/usr/src/sys/modules/nfsd/../../fs/nfsserver/nfs_nfsdport.c"
, 1293);
1294 }
1295 error = VOP_FSYNC(vp, MNT_WAIT1, td);
1296 } else {
1297 /*
1298 * Locate and synchronously write any buffers that fall
1299 * into the requested range. Note: we are assuming that
1300 * f_iosize is a power of 2.
1301 */
1302 int iosize = vp->v_mount->mnt_stat.f_iosize;
1303 int iomask = iosize - 1;
1304 struct bufobj *bo;
1305 daddr_t lblkno;
1306
1307 /*
1308 * Align to iosize boundary, super-align to page boundary.
1309 */
1310 if (off & iomask) {
1311 cnt += off & iomask;
1312 off &= ~(u_quad_t)iomask;
1313 }
1314 if (off & PAGE_MASK((1<<12)-1)) {
1315 cnt += off & PAGE_MASK((1<<12)-1);
1316 off &= ~(u_quad_t)PAGE_MASK((1<<12)-1);
1317 }
1318 lblkno = off / iosize;
1319
1320 if (vp->v_objectv_bufobj.bo_object &&
1321 (vp->v_objectv_bufobj.bo_object->flags & OBJ_MIGHTBEDIRTY0x0100)) {
1322 VM_OBJECT_WLOCK(vp->v_object)_rw_wlock_cookie(&((&(vp->v_bufobj.bo_object)->
lock))->rw_lock, "/usr/src/sys/modules/nfsd/../../fs/nfsserver/nfs_nfsdport.c"
, 1322);
1323 vm_object_page_clean(vp->v_objectv_bufobj.bo_object, off, off + cnt,
1324 OBJPC_SYNC0x1);
1325 VM_OBJECT_WUNLOCK(vp->v_object)_rw_wunlock_cookie(&((&(vp->v_bufobj.bo_object)->
lock))->rw_lock, "/usr/src/sys/modules/nfsd/../../fs/nfsserver/nfs_nfsdport.c"
, 1325);
1326 }
1327
1328 bo = &vp->v_bufobj;
1329 BO_LOCK(bo)_rw_wlock_cookie(&(((&((bo))->bo_lock)))->rw_lock
, "/usr/src/sys/modules/nfsd/../../fs/nfsserver/nfs_nfsdport.c"
, 1329);
1330 while (cnt > 0) {
1331 struct buf *bp;
1332
1333 /*
1334 * If we have a buffer and it is marked B_DELWRI we
1335 * have to lock and write it. Otherwise the prior
1336 * write is assumed to have already been committed.
1337 *
1338 * gbincore() can return invalid buffers now so we
1339 * have to check that bit as well (though B_DELWRI
1340 * should not be set if B_INVAL is set there could be
1341 * a race here since we haven't locked the buffer).
1342 */
1343 if ((bp = gbincore(&vp->v_bufobj, lblkno)) != NULL((void *)0)) {
1344 if (BUF_LOCK(bp, LK_EXCLUSIVE | LK_SLEEPFAIL |_lockmgr_args_rw(&(bp)->b_lock, (0x080000 | 0x000800 |
0x000100), ((&(bo)->bo_lock)), (((void *)0)), (0), (0
), "/usr/src/sys/modules/nfsd/../../fs/nfsserver/nfs_nfsdport.c"
, 1345)
1345 LK_INTERLOCK, BO_LOCKPTR(bo))_lockmgr_args_rw(&(bp)->b_lock, (0x080000 | 0x000800 |
0x000100), ((&(bo)->bo_lock)), (((void *)0)), (0), (0
), "/usr/src/sys/modules/nfsd/../../fs/nfsserver/nfs_nfsdport.c"
, 1345) == ENOLCK77) {
1346 BO_LOCK(bo)_rw_wlock_cookie(&(((&((bo))->bo_lock)))->rw_lock
, "/usr/src/sys/modules/nfsd/../../fs/nfsserver/nfs_nfsdport.c"
, 1346);
1347 continue; /* retry */
1348 }
1349 if ((bp->b_flags & (B_DELWRI0x00000080|B_INVAL0x00002000)) ==
1350 B_DELWRI0x00000080) {
1351 bremfree(bp);
1352 bp->b_flags &= ~B_ASYNC0x00000004;
1353 bwrite(bp);
1354 ++nfs_commit_miss;
1355 } else
1356 BUF_UNLOCK(bp)do { do { } while (0); (void)_lockmgr_args(&(bp)->b_lock
, 0x100000, ((void *)0), (((void *)0)), (0), (0), "/usr/src/sys/modules/nfsd/../../fs/nfsserver/nfs_nfsdport.c"
, 1356); } while (0);
1357 BO_LOCK(bo)_rw_wlock_cookie(&(((&((bo))->bo_lock)))->rw_lock
, "/usr/src/sys/modules/nfsd/../../fs/nfsserver/nfs_nfsdport.c"
, 1357);
1358 }
1359 ++nfs_commit_blks;
1360 if (cnt < iosize)
1361 break;
1362 cnt -= iosize;
1363 ++lblkno;
1364 }
1365 BO_UNLOCK(bo)_rw_wunlock_cookie(&(((&((bo))->bo_lock)))->rw_lock
, "/usr/src/sys/modules/nfsd/../../fs/nfsserver/nfs_nfsdport.c"
, 1365);
1366 }
1367 NFSEXITCODE(error);
1368 return (error);
1369}
1370
1371/*
1372 * Statfs vnode op.
1373 */
1374int
1375nfsvno_statfs(struct vnode *vp, struct statfs *sf)
1376{
1377 int error;
1378
1379 error = VFS_STATFS(vp->v_mount, sf)({ int _rc; do { struct mount *mp__; int _prev_stops; mp__ = (
vp->v_mount); _prev_stops = sigdeferstop((mp__ != ((void *
)0) && (mp__->mnt_vfc->vfc_flags & 0x01000000
) != 0) ? 2 : 0);; _rc = __vfs_statfs((vp->v_mount), (sf))
; sigallowstop(_prev_stops); } while (0); _rc; });
1380 if (error == 0) {
1381 /*
1382 * Since NFS handles these values as unsigned on the
1383 * wire, there is no way to represent negative values,
1384 * so set them to 0. Without this, they will appear
1385 * to be very large positive values for clients like
1386 * Solaris10.
1387 */
1388 if (sf->f_bavail < 0)
1389 sf->f_bavail = 0;
1390 if (sf->f_ffree < 0)
1391 sf->f_ffree = 0;
1392 }
1393 NFSEXITCODE(error);
1394 return (error);
1395}
1396
1397/*
1398 * Do the vnode op stuff for Open. Similar to nfsvno_createsub(), but
1399 * must handle nfsrv_opencheck() calls after any other access checks.
1400 */
1401void
1402nfsvno_open(struct nfsrv_descript *nd, struct nameidata *ndp,
1403 nfsquad_t clientid, nfsv4stateid_t *stateidp, struct nfsstate *stp,
1404 int *exclusive_flagp, struct nfsvattr *nvap, int32_t *cverf, int create,
1405 NFSACL_Tstruct acl *aclp, nfsattrbit_t *attrbitp, struct ucred *cred, struct thread *p,
1406 struct nfsexstuff *exp, struct vnode **vpp)
1407{
1408 struct vnode *vp = NULL((void *)0);
1409 u_quad_t tempsize;
1410 struct nfsexstuff nes;
1411
1412 if (ndp->ni_vp == NULL((void *)0))
1413 nd->nd_repstat = nfsrv_opencheck(clientid,
1414 stateidp, stp, NULL((void *)0), nd, p, nd->nd_repstat);
1415 if (!nd->nd_repstat) {
1416 if (ndp->ni_vp == NULL((void *)0)) {
1417 vrele(ndp->ni_startdir);
1418 nd->nd_repstat = VOP_CREATE(ndp->ni_dvp,
1419 &ndp->ni_vp, &ndp->ni_cnd, &nvap->na_vattr);
1420 vput(ndp->ni_dvp);
1421 nfsvno_relpathbuf(ndp);
1422 if (!nd->nd_repstat) {
1423 if (*exclusive_flagp) {
1424 *exclusive_flagp = 0;
1425 NFSVNO_ATTRINIT(nvap)((*(&((nvap)->na_vattr)) = va_null));
1426 nvap->na_atimena_vattr.va_atime.tv_sec = cverf[0];
1427 nvap->na_atimena_vattr.va_atime.tv_nsec = cverf[1];
1428 nd->nd_repstat = VOP_SETATTR(ndp->ni_vp,
1429 &nvap->na_vattr, cred);
1430 if (nd->nd_repstat != 0) {
1431 vput(ndp->ni_vp);
1432 ndp->ni_vp = NULL((void *)0);
1433 nd->nd_repstat = NFSERR_NOTSUPP10004;
1434 }
1435 } else {
1436 nfsrv_fixattr(nd, ndp->ni_vp, nvap,
1437 aclp, p, attrbitp, exp);
1438 }
1439 }
1440 vp = ndp->ni_vp;
1441 } else {
1442 if (ndp->ni_startdir)
1443 vrele(ndp->ni_startdir);
1444 nfsvno_relpathbuf(ndp);
1445 vp = ndp->ni_vp;
1446 if (create == NFSV4OPEN_CREATE1) {
1447 if (ndp->ni_dvp == vp)
1448 vrele(ndp->ni_dvp);
1449 else
1450 vput(ndp->ni_dvp);
1451 }
1452 if (NFSVNO_ISSETSIZE(nvap)((nvap)->na_vattr.va_size != (-1)) && vp->v_type == VREG) {
1453 if (ndp->ni_cnd.cn_flags & RDONLY0x00000200)
1454 NFSVNO_SETEXRDONLY(&nes)((&nes)->nes_exflag = (0x0000000000000100ULL|0x0000000000000080ULL
));
1455 else
1456 NFSVNO_EXINIT(&nes)((&nes)->nes_exflag = 0);
1457 nd->nd_repstat = nfsvno_accchk(vp,
1458 VWRITE000000000200, cred, &nes, p,
1459 NFSACCCHK_NOOVERRIDE0,
1460 NFSACCCHK_VPISLOCKED1, NULL((void *)0));
1461 nd->nd_repstat = nfsrv_opencheck(clientid,
1462 stateidp, stp, vp, nd, p, nd->nd_repstat);
1463 if (!nd->nd_repstat) {
1464 tempsize = nvap->na_sizena_vattr.va_size;
1465 NFSVNO_ATTRINIT(nvap)((*(&((nvap)->na_vattr)) = va_null));
1466 nvap->na_sizena_vattr.va_size = tempsize;
1467 nd->nd_repstat = VOP_SETATTR(vp,
1468 &nvap->na_vattr, cred);
1469 }
1470 } else if (vp->v_type == VREG) {
1471 nd->nd_repstat = nfsrv_opencheck(clientid,
1472 stateidp, stp, vp, nd, p, nd->nd_repstat);
1473 }
1474 }
1475 } else {
1476 if (ndp->ni_cnd.cn_flags & HASBUF0x00000400)
1477 nfsvno_relpathbuf(ndp);
1478 if (ndp->ni_startdir && create == NFSV4OPEN_CREATE1) {
1479 vrele(ndp->ni_startdir);
1480 if (ndp->ni_dvp == ndp->ni_vp)
1481 vrele(ndp->ni_dvp);
1482 else
1483 vput(ndp->ni_dvp);
1484 if (ndp->ni_vp)
1485 vput(ndp->ni_vp);
1486 }
1487 }
1488 *vpp = vp;
1489
1490 NFSEXITCODE2(0, nd);
1491}
1492
1493/*
1494 * Updates the file rev and sets the mtime and ctime
1495 * to the current clock time, returning the va_filerev and va_Xtime
1496 * values.
1497 * Return ESTALE to indicate the vnode is VI_DOOMED.
1498 */
1499int
1500nfsvno_updfilerev(struct vnode *vp, struct nfsvattr *nvap,
1501 struct ucred *cred, struct thread *p)
1502{
1503 struct vattr va;
1504
1505 VATTR_NULL(&va)(*(&va) = va_null);
1506 vfs_timestamp(&va.va_mtime);
1507 if (NFSVOPISLOCKED(vp)VOP_ISLOCKED((vp)) != LK_EXCLUSIVE0x080000) {
1508 NFSVOPLOCK(vp, LK_UPGRADE | LK_RETRY)_vn_lock((vp), (0x400000 | 0x000400), "/usr/src/sys/modules/nfsd/../../fs/nfsserver/nfs_nfsdport.c"
, 1508);
1509 if ((vp->v_iflag & VI_DOOMED0x0080) != 0)
1510 return (ESTALE70);
1511 }
1512 (void) VOP_SETATTR(vp, &va, cred);
1513 (void) nfsvno_getattr(vp, nvap, cred, p, 1);
1514 return (0);
1515}
1516
1517/*
1518 * Glue routine to nfsv4_fillattr().
1519 */
1520int
1521nfsvno_fillattr(struct nfsrv_descript *nd, struct mount *mp, struct vnode *vp,
1522 struct nfsvattr *nvap, fhandle_t *fhp, int rderror, nfsattrbit_t *attrbitp,
1523 struct ucred *cred, struct thread *p, int isdgram, int reterr,
1524 int supports_nfsv4acls, int at_root, uint64_t mounted_on_fileno)
1525{
1526 int error;
1527
1528 error = nfsv4_fillattr(nd, mp, vp, NULL((void *)0), &nvap->na_vattr, fhp, rderror,
1529 attrbitp, cred, p, isdgram, reterr, supports_nfsv4acls, at_root,
1530 mounted_on_fileno);
1531 NFSEXITCODE2(0, nd);
1532 return (error);
1533}
1534
1535/* Since the Readdir vnode ops vary, put the entire functions in here. */
1536/*
1537 * nfs readdir service
1538 * - mallocs what it thinks is enough to read
1539 * count rounded up to a multiple of DIRBLKSIZ <= NFS_MAXREADDIR
1540 * - calls VOP_READDIR()
1541 * - loops around building the reply
1542 * if the output generated exceeds count break out of loop
1543 * The NFSM_CLGET macro is used here so that the reply will be packed
1544 * tightly in mbuf clusters.
1545 * - it trims out records with d_fileno == 0
1546 * this doesn't matter for Unix clients, but they might confuse clients
1547 * for other os'.
1548 * - it trims out records with d_type == DT_WHT
1549 * these cannot be seen through NFS (unless we extend the protocol)
1550 * The alternate call nfsrvd_readdirplus() does lookups as well.
1551 * PS: The NFS protocol spec. does not clarify what the "count" byte
1552 * argument is a count of.. just name strings and file id's or the
1553 * entire reply rpc or ...
1554 * I tried just file name and id sizes and it confused the Sun client,
1555 * so I am using the full rpc size now. The "paranoia.." comment refers
1556 * to including the status longwords that are not a part of the dir.
1557 * "entry" structures, but are in the rpc.
1558 */
1559int
1560nfsrvd_readdir(struct nfsrv_descript *nd, int isdgram,
1561 struct vnode *vp, struct thread *p, struct nfsexstuff *exp)
1562{
1563 struct dirent *dp;
1564 u_int32_t *tl;
1565 int dirlen;
1566 char *cpos, *cend, *rbuf;
1567 struct nfsvattr at;
1568 int nlen, error = 0, getret = 1;
1569 int siz, cnt, fullsiz, eofflag, ncookies;
1570 u_int64_t off, toff, verf;
1571 u_long *cookies = NULL((void *)0), *cookiep;
1572 struct uio io;
1573 struct iovec iv;
1574 int is_ufs;
1575
1576 if (nd->nd_repstat) {
1577 nfsrv_postopattr(nd, getret, &at);
1578 goto out;
1579 }
1580 if (nd->nd_flag & ND_NFSV20x00000004) {
1581 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);
1582 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++))));
1583 } else {
1584 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);
1585 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]))));
1586 tl += 2;
1587 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]))));
1588 tl += 2;
1589 }
1590 toff = off;
1591 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))));
1592 if (cnt > NFS_SRVMAXDATA(nd)(((nd)->nd_flag & (0x00000008 | 0x00000010)) ? (128 * 1024
) : 8192) || cnt < 0)
1593 cnt = NFS_SRVMAXDATA(nd)(((nd)->nd_flag & (0x00000008 | 0x00000010)) ? (128 * 1024
) : 8192);
1594 siz = ((cnt + DIRBLKSIZ(1<<9) - 1) & ~(DIRBLKSIZ(1<<9) - 1));
1595 fullsiz = siz;
1596 if (nd->nd_flag & ND_NFSV30x00000008) {
1597 nd->nd_repstat = getret = nfsvno_getattr(vp, &at, nd->nd_cred,
1598 p, 1);
1599#if 0
1600 /*
1601 * va_filerev is not sufficient as a cookie verifier,
1602 * since it is not supposed to change when entries are
1603 * removed/added unless that offset cookies returned to
1604 * the client are no longer valid.
1605 */
1606 if (!nd->nd_repstat && toff && verf != at.na_filerevna_vattr.va_filerev)
1607 nd->nd_repstat = NFSERR_BAD_COOKIE10003;
1608#endif
1609 }
1610 if (!nd->nd_repstat && vp->v_type != VDIR)
1611 nd->nd_repstat = NFSERR_NOTDIR20;
1612 if (nd->nd_repstat == 0 && cnt == 0) {
1613 if (nd->nd_flag & ND_NFSV20x00000004)
1614 /* NFSv2 does not have NFSERR_TOOSMALL */
1615 nd->nd_repstat = EPERM1;
1616 else
1617 nd->nd_repstat = NFSERR_TOOSMALL10005;
1618 }
1619 if (!nd->nd_repstat)
1620 nd->nd_repstat = nfsvno_accchk(vp, VEXEC000000000100,
1621 nd->nd_cred, exp, p, NFSACCCHK_NOOVERRIDE0,
1622 NFSACCCHK_VPISLOCKED1, NULL((void *)0));
1623 if (nd->nd_repstat) {
1624 vput(vp);
1625 if (nd->nd_flag & ND_NFSV30x00000008)
1626 nfsrv_postopattr(nd, getret, &at);
1627 goto out;
1628 }
1629 is_ufs = strcmp(vp->v_mount->mnt_vfc->vfc_name, "ufs") == 0;
1630 MALLOC(rbuf, caddr_t, siz, M_TEMP, M_WAITOK)((rbuf) = (caddr_t)malloc((u_long)(siz), (M_TEMP), (0x0002)));
1631again:
1632 eofflag = 0;
1633 if (cookies) {
1634 free((caddr_t)cookies, M_TEMP);
1635 cookies = NULL((void *)0);
1636 }
1637
1638 iv.iov_base = rbuf;
1639 iv.iov_len = siz;
1640 io.uio_iov = &iv;
1641 io.uio_iovcnt = 1;
1642 io.uio_offset = (off_t)off;
1643 io.uio_resid = siz;
1644 io.uio_segflg = UIO_SYSSPACE;
1645 io.uio_rw = UIO_READ;
1646 io.uio_td = NULL((void *)0);
1647 nd->nd_repstat = VOP_READDIR(vp, &io, nd->nd_cred, &eofflag, &ncookies,
1648 &cookies);
1649 off = (u_int64_t)io.uio_offset;
1650 if (io.uio_resid)
1651 siz -= io.uio_resid;
1652
1653 if (!cookies && !nd->nd_repstat)
1654 nd->nd_repstat = NFSERR_PERM1;
1655 if (nd->nd_flag & ND_NFSV30x00000008) {
1656 getret = nfsvno_getattr(vp, &at, nd->nd_cred, p, 1);
1657 if (!nd->nd_repstat)
1658 nd->nd_repstat = getret;
1659 }
1660
1661 /*
1662 * Handles the failed cases. nd->nd_repstat == 0 past here.
1663 */
1664 if (nd->nd_repstat) {
1665 vput(vp);
1666 free((caddr_t)rbuf, M_TEMP);
1667 if (cookies)
1668 free((caddr_t)cookies, M_TEMP);
1669 if (nd->nd_flag & ND_NFSV30x00000008)
1670 nfsrv_postopattr(nd, getret, &at);
1671 goto out;
1672 }
1673 /*
1674 * If nothing read, return eof
1675 * rpc reply
1676 */
1677 if (siz == 0) {
1678 vput(vp);
1679 if (nd->nd_flag & ND_NFSV20x00000004) {
1680 NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (2 * 4)));
1681 } else {
1682 nfsrv_postopattr(nd, getret, &at);
1683 NFSM_BUILD(tl, u_int32_t *, 4 * NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (4 * 4)));
1684 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);
1685 tl += 2;
1686 }
1687 *tl++ = newnfs_false;
1688 *tl = newnfs_true;
1689 FREE((caddr_t)rbuf, M_TEMP)free(((caddr_t)rbuf), (M_TEMP));
1690 FREE((caddr_t)cookies, M_TEMP)free(((caddr_t)cookies), (M_TEMP));
1691 goto out;
1692 }
1693
1694 /*
1695 * Check for degenerate cases of nothing useful read.
1696 * If so go try again
1697 */
1698 cpos = rbuf;
1699 cend = rbuf + siz;
1700 dp = (struct dirent *)cpos;
1701 cookiep = cookies;
1702
1703 /*
1704 * For some reason FreeBSD's ufs_readdir() chooses to back the
1705 * directory offset up to a block boundary, so it is necessary to
1706 * skip over the records that precede the requested offset. This
1707 * requires the assumption that file offset cookies monotonically
1708 * increase.
1709 */
1710 while (cpos < cend && ncookies > 0 &&
1711 (dp->d_fileno == 0 || dp->d_type == DT_WHT14 ||
1712 (is_ufs == 1 && ((u_quad_t)(*cookiep)) <= toff))) {
1713 cpos += dp->d_reclen;
1714 dp = (struct dirent *)cpos;
1715 cookiep++;
1716 ncookies--;
1717 }
1718 if (cpos >= cend || ncookies == 0) {
1719 siz = fullsiz;
1720 toff = off;
1721 goto again;
1722 }
1723 vput(vp);
1724
1725 /*
1726 * dirlen is the size of the reply, including all XDR and must
1727 * not exceed cnt. For NFSv2, RFC1094 didn't clearly indicate
1728 * if the XDR should be included in "count", but to be safe, we do.
1729 * (Include the two booleans at the end of the reply in dirlen now.)
1730 */
1731 if (nd->nd_flag & ND_NFSV30x00000008) {
1732 nfsrv_postopattr(nd, getret, &at);
1733 NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (2 * 4)));
1734 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);
1735 dirlen = NFSX_V3POSTOPATTR(84 + 4) + NFSX_VERF8 + 2 * NFSX_UNSIGNED4;
1736 } else {
1737 dirlen = 2 * NFSX_UNSIGNED4;
1738 }
1739
1740 /* Loop through the records and build reply */
1741 while (cpos < cend && ncookies > 0) {
1742 nlen = dp->d_namlen;
1743 if (dp->d_fileno != 0 && dp->d_type != DT_WHT14 &&
1744 nlen <= NFS_MAXNAMLEN255) {
1745 if (nd->nd_flag & ND_NFSV30x00000008)
1746 dirlen += (6*NFSX_UNSIGNED4 + NFSM_RNDUP(nlen)(((nlen)+3)&(~0x3)));
1747 else
1748 dirlen += (4*NFSX_UNSIGNED4 + NFSM_RNDUP(nlen)(((nlen)+3)&(~0x3)));
1749 if (dirlen > cnt) {
1750 eofflag = 0;
1751 break;
1752 }
1753
1754 /*
1755 * Build the directory record xdr from
1756 * the dirent entry.
1757 */
1758 if (nd->nd_flag & ND_NFSV30x00000008) {
1759 NFSM_BUILD(tl, u_int32_t *, 3 * NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (3 * 4)));
1760 *tl++ = newnfs_true;
1761 *tl++ = 0;
1762 } else {
1763 NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (2 * 4)));
1764 *tl++ = newnfs_true;
1765 }
1766 *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))
));
1767 (void) nfsm_strtom(nd, dp->d_name, nlen);
1768 if (nd->nd_flag & ND_NFSV30x00000008) {
1769 NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (2 * 4)));
1770 *tl++ = 0;
1771 } else
1772 NFSM_BUILD(tl, u_int32_t *, NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (4)));
1773 *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))));
1774 }
1775 cpos += dp->d_reclen;
1776 dp = (struct dirent *)cpos;
1777 cookiep++;
1778 ncookies--;
1779 }
1780 if (cpos < cend)
1781 eofflag = 0;
1782 NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (2 * 4)));
1783 *tl++ = newnfs_false;
1784 if (eofflag)
1785 *tl = newnfs_true;
1786 else
1787 *tl = newnfs_false;
1788 FREE((caddr_t)rbuf, M_TEMP)free(((caddr_t)rbuf), (M_TEMP));
1789 FREE((caddr_t)cookies, M_TEMP)free(((caddr_t)cookies), (M_TEMP));
1790
1791out:
1792 NFSEXITCODE2(0, nd);
1793 return (0);
1794nfsmout:
1795 vput(vp);
1796 NFSEXITCODE2(error, nd);
1797 return (error);
1798}
1799
1800/*
1801 * Readdirplus for V3 and Readdir for V4.
1802 */
1803int
1804nfsrvd_readdirplus(struct nfsrv_descript *nd, int isdgram,
1805 struct vnode *vp, struct thread *p, struct nfsexstuff *exp)
1806{
1807 struct dirent *dp;
1808 u_int32_t *tl;
1809 int dirlen;
1810 char *cpos, *cend, *rbuf;
1811 struct vnode *nvp;
1812 fhandle_t nfh;
1813 struct nfsvattr nva, at, *nvap = &nva;
1814 struct mbuf *mb0, *mb1;
1815 struct nfsreferral *refp;
1816 int nlen, r, error = 0, getret = 1, usevget = 1;
1817 int siz, cnt, fullsiz, eofflag, ncookies, entrycnt;
1818 caddr_t bpos0, bpos1;
1819 u_int64_t off, toff, verf;
1820 u_long *cookies = NULL((void *)0), *cookiep;
1821 nfsattrbit_t attrbits, rderrbits, savbits;
1822 struct uio io;
1823 struct iovec iv;
1824 struct componentname cn;
1825 int at_root, is_ufs, is_zfs, needs_unbusy, supports_nfsv4acls;
1826 struct mount *mp, *new_mp;
1827 uint64_t mounted_on_fileno;
1828
1829 if (nd->nd_repstat) {
1830 nfsrv_postopattr(nd, getret, &at);
1831 goto out;
1832 }
1833 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);
1834 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]))));
1835 toff = off;
1836 tl += 2;
1837 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]))));
1838 tl += 2;
1839 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++))));
1840 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))));
1841
1842 /*
1843 * Use the server's maximum data transfer size as the upper bound
1844 * on reply datalen.
1845 */
1846 if (cnt > NFS_SRVMAXDATA(nd)(((nd)->nd_flag & (0x00000008 | 0x00000010)) ? (128 * 1024
) : 8192) || cnt < 0)
1847 cnt = NFS_SRVMAXDATA(nd)(((nd)->nd_flag & (0x00000008 | 0x00000010)) ? (128 * 1024
) : 8192);
1848
1849 /*
1850 * siz is a "hint" of how much directory information (name, fileid,
1851 * cookie) should be in the reply. At least one client "hints" 0,
1852 * so I set it to cnt for that case. I also round it up to the
1853 * next multiple of DIRBLKSIZ.
1854 */
1855 if (siz <= 0)
1856 siz = cnt;
1857 siz = ((siz + DIRBLKSIZ(1<<9) - 1) & ~(DIRBLKSIZ(1<<9) - 1));
1858
1859 if (nd->nd_flag & ND_NFSV40x00000010) {
1860 error = nfsrv_getattrbits(nd, &attrbits, NULL((void *)0), NULL((void *)0));
1861 if (error)
1862 goto nfsmout;
1863 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);
1864 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); (&
attrbits)->bits[2] &= 0x00000800; } while (0);
1865 NFSZERO_ATTRBIT(&rderrbits)do { (&rderrbits)->bits[0] = 0; (&rderrbits)->bits
[1] = 0; (&rderrbits)->bits[2] = 0; } while (0);
1866 NFSSETBIT_ATTRBIT(&rderrbits, NFSATTRBIT_RDATTRERROR)((&rderrbits)->bits[(11) / 32] |= (1 << ((11) % 32
)));
1867 } else {
1868 NFSZERO_ATTRBIT(&attrbits)do { (&attrbits)->bits[0] = 0; (&attrbits)->bits
[1] = 0; (&attrbits)->bits[2] = 0; } while (0);
1869 }
1870 fullsiz = siz;
1871 nd->nd_repstat = getret = nfsvno_getattr(vp, &at, nd->nd_cred, p, 1);
1872 if (!nd->nd_repstat) {
1873 if (off && verf != at.na_filerevna_vattr.va_filerev) {
1874 /*
1875 * va_filerev is not sufficient as a cookie verifier,
1876 * since it is not supposed to change when entries are
1877 * removed/added unless that offset cookies returned to
1878 * the client are no longer valid.
1879 */
1880#if 0
1881 if (nd->nd_flag & ND_NFSV40x00000010) {
1882 nd->nd_repstat = NFSERR_NOTSAME10027;
1883 } else {
1884 nd->nd_repstat = NFSERR_BAD_COOKIE10003;
1885 }
1886#endif
1887 } else if ((nd->nd_flag & ND_NFSV40x00000010) && off == 0 && verf != 0) {
1888 nd->nd_repstat = NFSERR_BAD_COOKIE10003;
1889 }
1890 }
1891 if (!nd->nd_repstat && vp->v_type != VDIR)
1892 nd->nd_repstat = NFSERR_NOTDIR20;
1893 if (!nd->nd_repstat && cnt == 0)
1894 nd->nd_repstat = NFSERR_TOOSMALL10005;
1895 if (!nd->nd_repstat)
1896 nd->nd_repstat = nfsvno_accchk(vp, VEXEC000000000100,
1897 nd->nd_cred, exp, p, NFSACCCHK_NOOVERRIDE0,
1898 NFSACCCHK_VPISLOCKED1, NULL((void *)0));
1899 if (nd->nd_repstat) {
1900 vput(vp);
1901 if (nd->nd_flag & ND_NFSV30x00000008)
1902 nfsrv_postopattr(nd, getret, &at);
1903 goto out;
1904 }
1905 is_ufs = strcmp(vp->v_mount->mnt_vfc->vfc_name, "ufs") == 0;
1906 is_zfs = strcmp(vp->v_mount->mnt_vfc->vfc_name, "zfs") == 0;
1907
1908 MALLOC(rbuf, caddr_t, siz, M_TEMP, M_WAITOK)((rbuf) = (caddr_t)malloc((u_long)(siz), (M_TEMP), (0x0002)));
1909again:
1910 eofflag = 0;
1911 if (cookies) {
1912 free((caddr_t)cookies, M_TEMP);
1913 cookies = NULL((void *)0);
1914 }
1915
1916 iv.iov_base = rbuf;
1917 iv.iov_len = siz;
1918 io.uio_iov = &iv;
1919 io.uio_iovcnt = 1;
1920 io.uio_offset = (off_t)off;
1921 io.uio_resid = siz;
1922 io.uio_segflg = UIO_SYSSPACE;
1923 io.uio_rw = UIO_READ;
1924 io.uio_td = NULL((void *)0);
1925 nd->nd_repstat = VOP_READDIR(vp, &io, nd->nd_cred, &eofflag, &ncookies,
1926 &cookies);
1927 off = (u_int64_t)io.uio_offset;
1928 if (io.uio_resid)
1929 siz -= io.uio_resid;
1930
1931 getret = nfsvno_getattr(vp, &at, nd->nd_cred, p, 1);
1932
1933 if (!cookies && !nd->nd_repstat)
1934 nd->nd_repstat = NFSERR_PERM1;
1935 if (!nd->nd_repstat)
1936 nd->nd_repstat = getret;
1937 if (nd->nd_repstat) {
1938 vput(vp);
1939 if (cookies)
1940 free((caddr_t)cookies, M_TEMP);
1941 free((caddr_t)rbuf, M_TEMP);
1942 if (nd->nd_flag & ND_NFSV30x00000008)
1943 nfsrv_postopattr(nd, getret, &at);
1944 goto out;
1945 }
1946 /*
1947 * If nothing read, return eof
1948 * rpc reply
1949 */
1950 if (siz == 0) {
1951 vput(vp);
1952 if (nd->nd_flag & ND_NFSV30x00000008)
1953 nfsrv_postopattr(nd, getret, &at);
1954 NFSM_BUILD(tl, u_int32_t *, 4 * NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (4 * 4)));
1955 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);
1956 tl += 2;
1957 *tl++ = newnfs_false;
1958 *tl = newnfs_true;
1959 free((caddr_t)cookies, M_TEMP);
1960 free((caddr_t)rbuf, M_TEMP);
1961 goto out;
1962 }
1963
1964 /*
1965 * Check for degenerate cases of nothing useful read.
1966 * If so go try again
1967 */
1968 cpos = rbuf;
1969 cend = rbuf + siz;
1970 dp = (struct dirent *)cpos;
1971 cookiep = cookies;
1972
1973 /*
1974 * For some reason FreeBSD's ufs_readdir() chooses to back the
1975 * directory offset up to a block boundary, so it is necessary to
1976 * skip over the records that precede the requested offset. This
1977 * requires the assumption that file offset cookies monotonically
1978 * increase.
1979 */
1980 while (cpos < cend && ncookies > 0 &&
1981 (dp->d_fileno == 0 || dp->d_type == DT_WHT14 ||
1982 (is_ufs == 1 && ((u_quad_t)(*cookiep)) <= toff) ||
1983 ((nd->nd_flag & ND_NFSV40x00000010) &&
1984 ((dp->d_namlen == 1 && dp->d_name[0] == '.') ||
1985 (dp->d_namlen==2 && dp->d_name[0]=='.' && dp->d_name[1]=='.'))))) {
1986 cpos += dp->d_reclen;
1987 dp = (struct dirent *)cpos;
1988 cookiep++;
1989 ncookies--;
1990 }
1991 if (cpos >= cend || ncookies == 0) {
1992 siz = fullsiz;
1993 toff = off;
1994 goto again;
1995 }
1996
1997 /*
1998 * Busy the file system so that the mount point won't go away
1999 * and, as such, VFS_VGET() can be used safely.
2000 */
2001 mp = vp->v_mount;
2002 vfs_ref(mp);
2003 NFSVOPUNLOCK(vp, 0)VOP_UNLOCK((vp), (0));
2004 nd->nd_repstat = vfs_busy(mp, 0);
2005 vfs_rel(mp);
2006 if (nd->nd_repstat != 0) {
2007 vrele(vp);
2008 free(cookies, M_TEMP);
2009 free(rbuf, M_TEMP);
2010 if (nd->nd_flag & ND_NFSV30x00000008)
2011 nfsrv_postopattr(nd, getret, &at);
2012 goto out;
2013 }
2014
2015 /*
2016 * Check to see if entries in this directory can be safely acquired
2017 * via VFS_VGET() or if a switch to VOP_LOOKUP() is required.
2018 * ZFS snapshot directories need VOP_LOOKUP(), so that any
2019 * automount of the snapshot directory that is required will
2020 * be done.
2021 * This needs to be done here for NFSv4, since NFSv4 never does
2022 * a VFS_VGET() for "." or "..".
2023 */
2024 if (is_zfs == 1) {
2025 r = VFS_VGET(mp, at.na_fileid, LK_SHARED, &nvp)({ int _rc; do { struct mount *mp__; int _prev_stops; mp__ = (
mp); _prev_stops = sigdeferstop((mp__ != ((void *)0) &&
(mp__->mnt_vfc->vfc_flags & 0x01000000) != 0) ? 2 :
0);; _rc = (*(mp)->mnt_op->vfs_vget)(mp, at.na_vattr.va_fileid
, 0x200000, &nvp); sigallowstop(_prev_stops); } while (0)
; _rc; });
2026 if (r == EOPNOTSUPP45) {
2027 usevget = 0;
2028 cn.cn_nameiop = LOOKUP0;
2029 cn.cn_lkflags = LK_SHARED0x200000 | LK_RETRY0x000400;
2030 cn.cn_cred = nd->nd_cred;
2031 cn.cn_thread = p;
2032 } else if (r == 0)
2033 vput(nvp);
2034 }
2035
2036 /*
2037 * Save this position, in case there is an error before one entry
2038 * is created.
2039 */
2040 mb0 = nd->nd_mb;
2041 bpos0 = nd->nd_bpos;
2042
2043 /*
2044 * Fill in the first part of the reply.
2045 * dirlen is the reply length in bytes and cannot exceed cnt.
2046 * (Include the two booleans at the end of the reply in dirlen now,
2047 * so we recognize when we have exceeded cnt.)
2048 */
2049 if (nd->nd_flag & ND_NFSV30x00000008) {
2050 dirlen = NFSX_V3POSTOPATTR(84 + 4) + NFSX_VERF8 + 2 * NFSX_UNSIGNED4;
2051 nfsrv_postopattr(nd, getret, &at);
2052 } else {
2053 dirlen = NFSX_VERF8 + 2 * NFSX_UNSIGNED4;
2054 }
2055 NFSM_BUILD(tl, u_int32_t *, NFSX_VERF)((tl) = (u_int32_t *)nfsm_build(nd, (8)));
2056 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);
2057
2058 /*
2059 * Save this position, in case there is an empty reply needed.
2060 */
2061 mb1 = nd->nd_mb;
2062 bpos1 = nd->nd_bpos;
2063
2064 /* Loop through the records and build reply */
2065 entrycnt = 0;
2066 while (cpos < cend && ncookies > 0 && dirlen < cnt) {
2067 nlen = dp->d_namlen;
2068 if (dp->d_fileno != 0 && dp->d_type != DT_WHT14 &&
2069 nlen <= NFS_MAXNAMLEN255 &&
2070 ((nd->nd_flag & ND_NFSV30x00000008) || nlen > 2 ||
2071 (nlen==2 && (dp->d_name[0]!='.' || dp->d_name[1]!='.'))
2072 || (nlen == 1 && dp->d_name[0] != '.'))) {
2073 /*
2074 * Save the current position in the reply, in case
2075 * this entry exceeds cnt.
2076 */
2077 mb1 = nd->nd_mb;
2078 bpos1 = nd->nd_bpos;
2079
2080 /*
2081 * For readdir_and_lookup get the vnode using
2082 * the file number.
2083 */
2084 nvp = NULL((void *)0);
2085 refp = NULL((void *)0);
2086 r = 0;
2087 at_root = 0;
2088 needs_unbusy = 0;
2089 new_mp = mp;
2090 mounted_on_fileno = (uint64_t)dp->d_fileno;
2091 if ((nd->nd_flag & ND_NFSV30x00000008) ||
2092 NFSNONZERO_ATTRBIT(&savbits)((&savbits)->bits[0] || (&savbits)->bits[1] || (
&savbits)->bits[2])) {
2093 if (nd->nd_flag & ND_NFSV40x00000010)
2094 refp = nfsv4root_getreferral(NULL((void *)0),
2095 vp, dp->d_fileno);
2096 if (refp == NULL((void *)0)) {
2097 if (usevget)
2098 r = VFS_VGET(mp, dp->d_fileno,({ int _rc; do { struct mount *mp__; int _prev_stops; mp__ = (
mp); _prev_stops = sigdeferstop((mp__ != ((void *)0) &&
(mp__->mnt_vfc->vfc_flags & 0x01000000) != 0) ? 2 :
0);; _rc = (*(mp)->mnt_op->vfs_vget)(mp, dp->d_fileno
, 0x200000, &nvp); sigallowstop(_prev_stops); } while (0)
; _rc; })
2099 LK_SHARED, &nvp)({ int _rc; do { struct mount *mp__; int _prev_stops; mp__ = (
mp); _prev_stops = sigdeferstop((mp__ != ((void *)0) &&
(mp__->mnt_vfc->vfc_flags & 0x01000000) != 0) ? 2 :
0);; _rc = (*(mp)->mnt_op->vfs_vget)(mp, dp->d_fileno
, 0x200000, &nvp); sigallowstop(_prev_stops); } while (0)
; _rc; });
2100 else
2101 r = EOPNOTSUPP45;
2102 if (r == EOPNOTSUPP45) {
2103 if (usevget) {
2104 usevget = 0;
2105 cn.cn_nameiop = LOOKUP0;
2106 cn.cn_lkflags =
2107 LK_SHARED0x200000 |
2108 LK_RETRY0x000400;
2109 cn.cn_cred =
2110 nd->nd_cred;
2111 cn.cn_thread = p;
2112 }
2113 cn.cn_nameptr = dp->d_name;
2114 cn.cn_namelen = nlen;
2115 cn.cn_flags = ISLASTCN0x00008000 |
2116 NOFOLLOW0x0000 | LOCKLEAF0x0004;
2117 if (nlen == 2 &&
2118 dp->d_name[0] == '.' &&
2119 dp->d_name[1] == '.')
2120 cn.cn_flags |=
2121 ISDOTDOT0x00002000;
2122 if (NFSVOPLOCK(vp, LK_SHARED)_vn_lock((vp), (0x200000), "/usr/src/sys/modules/nfsd/../../fs/nfsserver/nfs_nfsdport.c"
, 2122)
2123 != 0) {
2124 nd->nd_repstat = EPERM1;
2125 break;
2126 }
2127 if ((vp->v_vflag & VV_ROOT0x0001) != 0
2128 && (cn.cn_flags & ISDOTDOT0x00002000)
2129 != 0) {
2130 vref(vp);
2131 nvp = vp;
2132 r = 0;
2133 } else {
2134 r = VOP_LOOKUP(vp, &nvp,
2135 &cn);
2136 if (vp != nvp)
2137 NFSVOPUNLOCK(vp,VOP_UNLOCK((vp), (0))
2138 0)VOP_UNLOCK((vp), (0));
2139 }
2140 }
2141
2142 /*
2143 * For NFSv4, check to see if nvp is
2144 * a mount point and get the mount
2145 * point vnode, as required.
2146 */
2147 if (r == 0 &&
2148 nfsrv_enable_crossmntpt != 0 &&
2149 (nd->nd_flag & ND_NFSV40x00000010) != 0 &&
2150 nvp->v_type == VDIR &&
2151 nvp->v_mountedherev_un.vu_mount != NULL((void *)0)) {
2152 new_mp = nvp->v_mountedherev_un.vu_mount;
2153 r = vfs_busy(new_mp, 0);
2154 vput(nvp);
2155 nvp = NULL((void *)0);
2156 if (r == 0) {
2157 r = VFS_ROOT(new_mp,({ int _rc; do { struct mount *mp__; int _prev_stops; mp__ = (
new_mp); _prev_stops = sigdeferstop((mp__ != ((void *)0) &&
(mp__->mnt_vfc->vfc_flags & 0x01000000) != 0) ? 2 :
0);; _rc = (*(new_mp)->mnt_op->vfs_root)(new_mp, 0x200000
, &nvp); sigallowstop(_prev_stops); } while (0); _rc; })
2158 LK_SHARED, &nvp)({ int _rc; do { struct mount *mp__; int _prev_stops; mp__ = (
new_mp); _prev_stops = sigdeferstop((mp__ != ((void *)0) &&
(mp__->mnt_vfc->vfc_flags & 0x01000000) != 0) ? 2 :
0);; _rc = (*(new_mp)->mnt_op->vfs_root)(new_mp, 0x200000
, &nvp); sigallowstop(_prev_stops); } while (0); _rc; });
2159 needs_unbusy = 1;
2160 if (r == 0)
2161 at_root = 1;
2162 }
2163 }
2164 }
2165 if (!r) {
2166 if (refp == NULL((void *)0) &&
2167 ((nd->nd_flag & ND_NFSV30x00000008) ||
2168 NFSNONZERO_ATTRBIT(&attrbits)((&attrbits)->bits[0] || (&attrbits)->bits[1] ||
(&attrbits)->bits[2]))) {
2169 r = nfsvno_getfh(nvp, &nfh, p);
2170 if (!r)
2171 r = nfsvno_getattr(nvp, nvap,
2172 nd->nd_cred, p, 1);
2173 if (r == 0 && is_zfs == 1 &&
2174 nfsrv_enable_crossmntpt != 0 &&
2175 (nd->nd_flag & ND_NFSV40x00000010) != 0 &&
2176 nvp->v_type == VDIR &&
2177 vp->v_mount != nvp->v_mount) {
2178 /*
2179 * For a ZFS snapshot, there is a
2180 * pseudo mount that does not set
2181 * v_mountedhere, so it needs to
2182 * be detected via a different
2183 * mount structure.
2184 */
2185 at_root = 1;
2186 if (new_mp == mp)
2187 new_mp = nvp->v_mount;
2188 }
2189 }
2190 } else {
2191 nvp = NULL((void *)0);
2192 }
2193 if (r) {
2194 if (!NFSISSET_ATTRBIT(&attrbits,((&attrbits)->bits[(11) / 32] & (1 << ((11) %
32)))
2195 NFSATTRBIT_RDATTRERROR)((&attrbits)->bits[(11) / 32] & (1 << ((11) %
32)))) {
2196 if (nvp != NULL((void *)0))
2197 vput(nvp);
2198 if (needs_unbusy != 0)
2199 vfs_unbusy(new_mp);
2200 nd->nd_repstat = r;
2201 break;
2202 }
2203 }
2204 }
2205
2206 /*
2207 * Build the directory record xdr
2208 */
2209 if (nd->nd_flag & ND_NFSV30x00000008) {
2210 NFSM_BUILD(tl, u_int32_t *, 3 * NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (3 * 4)));
2211 *tl++ = newnfs_true;
2212 *tl++ = 0;
2213 *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))
));
2214 dirlen += nfsm_strtom(nd, dp->d_name, nlen);
2215 NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (2 * 4)));
2216 *tl++ = 0;
2217 *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))));
2218 nfsrv_postopattr(nd, 0, nvap);
2219 dirlen += nfsm_fhtom(nd,(u_int8_t *)&nfh,0,1);
2220 dirlen += (5*NFSX_UNSIGNED4+NFSX_V3POSTOPATTR(84 + 4));
2221 if (nvp != NULL((void *)0))
2222 vput(nvp);
2223 } else {
2224 NFSM_BUILD(tl, u_int32_t *, 3 * NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (3 * 4)));
2225 *tl++ = newnfs_true;
2226 *tl++ = 0;
2227 *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))));
2228 dirlen += nfsm_strtom(nd, dp->d_name, nlen);
2229 if (nvp != NULL((void *)0)) {
2230 supports_nfsv4acls =
2231 nfs_supportsnfsv4acls(nvp);
2232 NFSVOPUNLOCK(nvp, 0)VOP_UNLOCK((nvp), (0));
2233 } else
2234 supports_nfsv4acls = 0;
2235 if (refp != NULL((void *)0)) {
2236 dirlen += nfsrv_putreferralattr(nd,
2237 &savbits, refp, 0,
2238 &nd->nd_repstat);
2239 if (nd->nd_repstat) {
2240 if (nvp != NULL((void *)0))
2241 vrele(nvp);
2242 if (needs_unbusy != 0)
2243 vfs_unbusy(new_mp);
2244 break;
2245 }
2246 } else if (r) {
2247 dirlen += nfsvno_fillattr(nd, new_mp,
2248 nvp, nvap, &nfh, r, &rderrbits,
2249 nd->nd_cred, p, isdgram, 0,
2250 supports_nfsv4acls, at_root,
2251 mounted_on_fileno);
2252 } else {
2253 dirlen += nfsvno_fillattr(nd, new_mp,
2254 nvp, nvap, &nfh, r, &attrbits,
2255 nd->nd_cred, p, isdgram, 0,
2256 supports_nfsv4acls, at_root,
2257 mounted_on_fileno);
2258 }
2259 if (nvp != NULL((void *)0))
2260 vrele(nvp);
2261 dirlen += (3 * NFSX_UNSIGNED4);
2262 }
2263 if (needs_unbusy != 0)
2264 vfs_unbusy(new_mp);
2265 if (dirlen <= cnt)
2266 entrycnt++;
2267 }
2268 cpos += dp->d_reclen;
2269 dp = (struct dirent *)cpos;
2270 cookiep++;
2271 ncookies--;
2272 }
2273 vrele(vp);
2274 vfs_unbusy(mp);
2275
2276 /*
2277 * If dirlen > cnt, we must strip off the last entry. If that
2278 * results in an empty reply, report NFSERR_TOOSMALL.
2279 */
2280 if (dirlen > cnt || nd->nd_repstat) {
2281 if (!nd->nd_repstat && entrycnt == 0)
2282 nd->nd_repstat = NFSERR_TOOSMALL10005;
2283 if (nd->nd_repstat) {
2284 newnfs_trimtrailing(nd, mb0, bpos0);
2285 if (nd->nd_flag & ND_NFSV30x00000008)
2286 nfsrv_postopattr(nd, getret, &at);
2287 } else
2288 newnfs_trimtrailing(nd, mb1, bpos1);
2289 eofflag = 0;
2290 } else if (cpos < cend)
2291 eofflag = 0;
2292 if (!nd->nd_repstat) {
2293 NFSM_BUILD(tl, u_int32_t *, 2 * NFSX_UNSIGNED)((tl) = (u_int32_t *)nfsm_build(nd, (2 * 4)));
2294 *tl++ = newnfs_false;
2295 if (eofflag)
2296 *tl = newnfs_true;
2297 else
2298 *tl = newnfs_false;
2299 }
2300 FREE((caddr_t)cookies, M_TEMP)free(((caddr_t)cookies), (M_TEMP));
2301 FREE((caddr_t)rbuf, M_TEMP)free(((caddr_t)rbuf), (M_TEMP));
2302
2303out:
2304 NFSEXITCODE2(0, nd);
2305 return (0);
2306nfsmout:
2307 vput(vp);
2308 NFSEXITCODE2(error, nd);
2309 return (error);
2310}
2311
2312/*
2313 * Get the settable attributes out of the mbuf list.
2314 * (Return 0 or EBADRPC)
2315 */
2316int
2317nfsrv_sattr(struct nfsrv_descript *nd, vnode_t vp, struct nfsvattr *nvap,
2318 nfsattrbit_t *attrbitp, NFSACL_Tstruct acl *aclp, struct thread *p)
2319{
2320 u_int32_t *tl;
2321 struct nfsv2_sattr *sp;
2322 int error = 0, toclient = 0;
2323
2324 switch (nd->nd_flag & (ND_NFSV20x00000004 | ND_NFSV30x00000008 | ND_NFSV40x00000010)) {
2325 case ND_NFSV20x00000004:
2326 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
);
2327 /*
2328 * Some old clients didn't fill in the high order 16bits.
2329 * --> check the low order 2 bytes for 0xffff
2330 */
2331 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)
2332 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);
2333 if (sp->sa_uid != newnfs_xdrneg1)
2334 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))));
2335 if (sp->sa_gid != newnfs_xdrneg1)
2336 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))));
2337 if (sp->sa_size != newnfs_xdrneg1)
2338 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))));
2339 if (sp->sa_atime.nfsv2_sec != newnfs_xdrneg1) {
2340#ifdef notyet
2341 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);
2342#else
2343 nvap->na_atimena_vattr.va_atime.tv_sec =
2344 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))));
2345 nvap->na_atimena_vattr.va_atime.tv_nsec = 0;
2346#endif
2347 }
2348 if (sp->sa_mtime.nfsv2_sec != newnfs_xdrneg1)
2349 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);
2350 break;
2351 case ND_NFSV30x00000008:
2352 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);
2353 if (*tl == newnfs_true) {
2354 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);
2355 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
);
2356 }
2357 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);
2358 if (*tl == newnfs_true) {
2359 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);
2360 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))));
2361 }
2362 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);
2363 if (*tl == newnfs_true) {
2364 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);
2365 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))));
2366 }
2367 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);
2368 if (*tl == newnfs_true) {
2369 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);
2370 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]))));
2371 }
2372 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);
2373 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))))) {
2374 case NFSV3SATTRTIME_TOCLIENT2:
2375 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);
2376 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);
2377 toclient = 1;
2378 break;
2379 case NFSV3SATTRTIME_TOSERVER1:
2380 vfs_timestamp(&nvap->na_atimena_vattr.va_atime);
2381 nvap->na_vaflagsna_vattr.va_vaflags |= VA_UTIMES_NULL0x01;
2382 break;
2383 }
2384 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);
2385 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))))) {
2386 case NFSV3SATTRTIME_TOCLIENT2:
2387 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);
2388 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);
2389 nvap->na_vaflagsna_vattr.va_vaflags &= ~VA_UTIMES_NULL0x01;
2390 break;
2391 case NFSV3SATTRTIME_TOSERVER1:
2392 vfs_timestamp(&nvap->na_mtimena_vattr.va_mtime);
2393 if (!toclient)
2394 nvap->na_vaflagsna_vattr.va_vaflags |= VA_UTIMES_NULL0x01;
2395 break;
2396 }
2397 break;
2398 case ND_NFSV40x00000010:
2399 error = nfsv4_sattr(nd, vp, nvap, attrbitp, aclp, p);
2400 }
2401nfsmout:
2402 NFSEXITCODE2(error, nd);
2403 return (error);
2404}
2405
2406/*
2407 * Handle the setable attributes for V4.
2408 * Returns NFSERR_BADXDR if it can't be parsed, 0 otherwise.
2409 */
2410int
2411nfsv4_sattr(struct nfsrv_descript *nd, vnode_t vp, struct nfsvattr *nvap,
2412 nfsattrbit_t *attrbitp, NFSACL_Tstruct acl *aclp, struct thread *p)
2413{
2414 u_int32_t *tl;
2415 int attrsum = 0;
2416 int i, j;
2417 int error, attrsize, bitpos, aclsize, aceerr, retnotsup = 0;
2418 int toclient = 0;
2419 u_char *cp, namestr[NFSV4_SMALLSTR50 + 1];
2420 uid_t uid;
2421 gid_t gid;
2422
2423 error = nfsrv_getattrbits(nd, attrbitp, NULL((void *)0), &retnotsup);
2424 if (error)
2425 goto nfsmout;
2426 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);
2427 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))));
2428
2429 /*
2430 * Loop around getting the setable attributes. If an unsupported
2431 * one is found, set nd_repstat == NFSERR_ATTRNOTSUPP and return.
2432 */
2433 if (retnotsup) {
2434 nd->nd_repstat = NFSERR_ATTRNOTSUPP10032;
2435 bitpos = NFSATTRBIT_MAX77;
2436 } else {
2437 bitpos = 0;
2438 }
2439 for (; bitpos < NFSATTRBIT_MAX77; bitpos++) {
2440 if (attrsum > attrsize) {
2441 error = NFSERR_BADXDR10036;
2442 goto nfsmout;
2443 }
2444 if (NFSISSET_ATTRBIT(attrbitp, bitpos)((attrbitp)->bits[(bitpos) / 32] & (1 << ((bitpos
) % 32))))
2445 switch (bitpos) {
2446 case NFSATTRBIT_SIZE4:
2447 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);
2448 if (vp != NULL((void *)0) && vp->v_type != VREG) {
2449 error = (vp->v_type == VDIR) ? NFSERR_ISDIR21 :
2450 NFSERR_INVAL22;
2451 goto nfsmout;
2452 }
2453 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]))));
2454 attrsum += NFSX_HYPER(2 * 4);
2455 break;
2456 case NFSATTRBIT_ACL12:
2457 error = nfsrv_dissectacl(nd, aclp, &aceerr, &aclsize,
2458 p);
2459 if (error)
2460 goto nfsmout;
2461 if (aceerr && !nd->nd_repstat)
2462 nd->nd_repstat = aceerr;
2463 attrsum += aclsize;
2464 break;
2465 case NFSATTRBIT_ARCHIVE14:
2466 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);
2467 if (!nd->nd_repstat)
2468 nd->nd_repstat = NFSERR_ATTRNOTSUPP10032;
2469 attrsum += NFSX_UNSIGNED4;
2470 break;
2471 case NFSATTRBIT_HIDDEN25:
2472 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);
2473 if (!nd->nd_repstat)
2474 nd->nd_repstat = NFSERR_ATTRNOTSUPP10032;
2475 attrsum += NFSX_UNSIGNED4;
2476 break;
2477 case NFSATTRBIT_MIMETYPE32:
2478 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);
2479 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))));
2480 error = nfsm_advance(nd, NFSM_RNDUP(i)(((i)+3)&(~0x3)), -1);
2481 if (error)
2482 goto nfsmout;
2483 if (!nd->nd_repstat)
2484 nd->nd_repstat = NFSERR_ATTRNOTSUPP10032;
2485 attrsum += (NFSX_UNSIGNED4 + NFSM_RNDUP(i)(((i)+3)&(~0x3)));
2486 break;
2487 case NFSATTRBIT_MODE33:
2488 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);
2489 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
);
2490 attrsum += NFSX_UNSIGNED4;
2491 break;
2492 case NFSATTRBIT_OWNER36:
2493 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);
2494 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))));
2495 if (j < 0) {
2496 error = NFSERR_BADXDR10036;
2497 goto nfsmout;
2498 }
2499 if (j > NFSV4_SMALLSTR50)
2500 cp = malloc(j + 1, M_NFSSTRINGM_NEWNFSSTRING, M_WAITOK0x0002);
2501 else
2502 cp = namestr;
2503 error = nfsrv_mtostr(nd, cp, j);
2504 if (error) {
2505 if (j > NFSV4_SMALLSTR50)
2506 free(cp, M_NFSSTRINGM_NEWNFSSTRING);
2507 goto nfsmout;
2508 }
2509 if (!nd->nd_repstat) {
2510 nd->nd_repstat = nfsv4_strtouid(nd, cp, j, &uid,
2511 p);
2512 if (!nd->nd_repstat)
2513 nvap->na_uidna_vattr.va_uid = uid;
2514 }
2515 if (j > NFSV4_SMALLSTR50)
2516 free(cp, M_NFSSTRINGM_NEWNFSSTRING);
2517 attrsum += (NFSX_UNSIGNED4 + NFSM_RNDUP(j)(((j)+3)&(~0x3)));
2518 break;
2519 case NFSATTRBIT_OWNERGROUP37:
2520 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);
2521 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))));
2522 if (j < 0) {
2523 error = NFSERR_BADXDR10036;
2524 goto nfsmout;
2525 }
2526 if (j > NFSV4_SMALLSTR50)
2527 cp = malloc(j + 1, M_NFSSTRINGM_NEWNFSSTRING, M_WAITOK0x0002);
2528 else
2529 cp = namestr;
2530 error = nfsrv_mtostr(nd, cp, j);
2531 if (error) {
2532 if (j > NFSV4_SMALLSTR50)
2533 free(cp, M_NFSSTRINGM_NEWNFSSTRING);
2534 goto nfsmout;
2535 }
2536 if (!nd->nd_repstat) {
2537 nd->nd_repstat = nfsv4_strtogid(nd, cp, j, &gid,
2538 p);
2539 if (!nd->nd_repstat)
2540 nvap->na_gidna_vattr.va_gid = gid;
2541 }
2542 if (j > NFSV4_SMALLSTR50)
2543 free(cp, M_NFSSTRINGM_NEWNFSSTRING);
2544 attrsum += (NFSX_UNSIGNED4 + NFSM_RNDUP(j)(((j)+3)&(~0x3)));
2545 break;
2546 case NFSATTRBIT_SYSTEM46:
2547 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);
2548 if (!nd->nd_repstat)
2549 nd->nd_repstat = NFSERR_ATTRNOTSUPP10032;
2550 attrsum += NFSX_UNSIGNED4;
2551 break;
2552 case NFSATTRBIT_TIMEACCESSSET48:
2553 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);
2554 attrsum += NFSX_UNSIGNED4;
2555 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) {
2556 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);
2557 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);
2558 toclient = 1;
2559 attrsum += NFSX_V4TIME((2 * 4) + 4);
2560 } else {
2561 vfs_timestamp(&nvap->na_atimena_vattr.va_atime);
2562 nvap->na_vaflagsna_vattr.va_vaflags |= VA_UTIMES_NULL0x01;
2563 }
2564 break;
2565 case NFSATTRBIT_TIMEBACKUP49:
2566 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);
2567 if (!nd->nd_repstat)
2568 nd->nd_repstat = NFSERR_ATTRNOTSUPP10032;
2569 attrsum += NFSX_V4TIME((2 * 4) + 4);
2570 break;
2571 case NFSATTRBIT_TIMECREATE50:
2572 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);
2573 if (!nd->nd_repstat)
2574 nd->nd_repstat = NFSERR_ATTRNOTSUPP10032;
2575 attrsum += NFSX_V4TIME((2 * 4) + 4);
2576 break;
2577 case NFSATTRBIT_TIMEMODIFYSET54:
2578 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);
2579 attrsum += NFSX_UNSIGNED4;
2580 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) {
2581 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);
2582 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);
2583 nvap->na_vaflagsna_vattr.va_vaflags &= ~VA_UTIMES_NULL0x01;
2584 attrsum += NFSX_V4TIME((2 * 4) + 4);
2585 } else {
2586 vfs_timestamp(&nvap->na_mtimena_vattr.va_mtime);
2587 if (!toclient)
2588 nvap->na_vaflagsna_vattr.va_vaflags |= VA_UTIMES_NULL0x01;
2589 }
2590 break;
2591 default:
2592 nd->nd_repstat = NFSERR_ATTRNOTSUPP10032;
2593 /*
2594 * set bitpos so we drop out of the loop.
2595 */
2596 bitpos = NFSATTRBIT_MAX77;
2597 break;
2598 }
2599 }
2600
2601 /*
2602 * some clients pad the attrlist, so we need to skip over the
2603 * padding.
2604 */
2605 if (attrsum > attrsize) {
2606 error = NFSERR_BADXDR10036;
2607 } else {
2608 attrsize = NFSM_RNDUP(attrsize)(((attrsize)+3)&(~0x3));
2609 if (attrsum < attrsize)
2610 error = nfsm_advance(nd, attrsize - attrsum, -1);
2611 }
2612nfsmout:
2613 NFSEXITCODE2(error, nd);
2614 return (error);
2615}
2616
2617/*
2618 * Check/setup export credentials.
2619 */
2620int
2621nfsd_excred(struct nfsrv_descript *nd, struct nfsexstuff *exp,
2622 struct ucred *credanon)
2623{
2624 int error = 0;
2625
2626 /*
2627 * Check/setup credentials.
2628 */
2629 if (nd->nd_flag & ND_GSS(0x00000020))
2630 exp->nes_exflag &= ~MNT_EXPORTANON0x0000000000000400ULL;
2631
2632 /*
2633 * Check to see if the operation is allowed for this security flavor.
2634 * RFC2623 suggests that the NFSv3 Fsinfo RPC be allowed to
2635 * AUTH_NONE or AUTH_SYS for file systems requiring RPCSEC_GSS.
2636 * Also, allow Secinfo, so that it can acquire the correct flavor(s).
2637 */
2638 if (nfsvno_testexp(nd, exp) &&
2639 nd->nd_procnum != NFSV4OP_SECINFO33 &&
2640 nd->nd_procnum != NFSPROC_FSINFO19) {
2641 if (nd->nd_flag & ND_NFSV40x00000010)
2642 error = NFSERR_WRONGSEC10016;
2643 else
2644 error = (NFSERR_AUTHERR0x80000000 | AUTH_TOOWEAK5);
2645 goto out;
2646 }
2647
2648 /*
2649 * Check to see if the file system is exported V4 only.
2650 */
2651 if (NFSVNO_EXV4ONLY(exp)((exp)->nes_exflag & 0x0) && !(nd->nd_flag & ND_NFSV40x00000010)) {
2652 error = NFSERR_PROGNOTV4(0x40000000 | 0xffff);
2653 goto out;
2654 }
2655
2656 /*
2657 * Now, map the user credentials.
2658 * (Note that ND_AUTHNONE will only be set for an NFSv3
2659 * Fsinfo RPC. If set for anything else, this code might need
2660 * to change.)
2661 */
2662 if (NFSVNO_EXPORTED(exp)((exp)->nes_exflag & 0x0000000000000100ULL)) {
2663 if (((nd->nd_flag & ND_GSS(0x00000020)) == 0 && nd->nd_cred->cr_uid == 0) ||
2664 NFSVNO_EXPORTANON(exp)((exp)->nes_exflag & 0x0000000000000400ULL) ||
2665 (nd->nd_flag & ND_AUTHNONE0x00040000) != 0) {
2666 nd->nd_cred->cr_uid = credanon->cr_uid;
2667 nd->nd_cred->cr_gidcr_groups[0] = credanon->cr_gidcr_groups[0];
2668 crsetgroups(nd->nd_cred, credanon->cr_ngroups,
2669 credanon->cr_groups);
2670 } else if ((nd->nd_flag & ND_GSS(0x00000020)) == 0) {
2671 /*
2672 * If using AUTH_SYS, call nfsrv_getgrpscred() to see
2673 * if there is a replacement credential with a group
2674 * list set up by "nfsuserd -manage-gids".
2675 * If there is no replacement, nfsrv_getgrpscred()
2676 * simply returns its argument.
2677 */
2678 nd->nd_cred = nfsrv_getgrpscred(nd->nd_cred);
2679 }
2680 }
2681
2682out:
2683 NFSEXITCODE2(error, nd);
2684 return (error);
2685}
2686
2687/*
2688 * Check exports.
2689 */
2690int
2691nfsvno_checkexp(struct mount *mp, struct sockaddr *nam, struct nfsexstuff *exp,
2692 struct ucred **credp)
2693{
2694 int i, error, *secflavors;
2695
2696 error = VFS_CHECKEXP(mp, nam, &exp->nes_exflag, credp,({ int _rc; do { struct mount *mp__; int _prev_stops; mp__ = (
mp); _prev_stops = sigdeferstop((mp__ != ((void *)0) &&
(mp__->mnt_vfc->vfc_flags & 0x01000000) != 0) ? 2 :
0);; _rc = (*(mp)->mnt_op->vfs_checkexp)(mp, nam, &
exp->nes_exflag, credp, &exp->nes_numsecflavor, &
secflavors); sigallowstop(_prev_stops); } while (0); _rc; })
2697 &exp->nes_numsecflavor, &secflavors)({ int _rc; do { struct mount *mp__; int _prev_stops; mp__ = (
mp); _prev_stops = sigdeferstop((mp__ != ((void *)0) &&
(mp__->mnt_vfc->vfc_flags & 0x01000000) != 0) ? 2 :
0);; _rc = (*(mp)->mnt_op->vfs_checkexp)(mp, nam, &
exp->nes_exflag, credp, &exp->nes_numsecflavor, &
secflavors); sigallowstop(_prev_stops); } while (0); _rc; });
2698 if (error) {
2699 if (nfs_rootfhset) {
2700 exp->nes_exflag = 0;
2701 exp->nes_numsecflavor = 0;
2702 error = 0;
2703 }
2704 } else {
2705 /* Copy the security flavors. */
2706 for (i = 0; i < exp->nes_numsecflavor; i++)
2707 exp->nes_secflavors[i] = secflavors[i];
2708 }
2709 NFSEXITCODE(error);
2710 return (error);
2711}
2712
2713/*
2714 * Get a vnode for a file handle and export stuff.
2715 */
2716int
2717nfsvno_fhtovp(struct mount *mp, fhandle_t *fhp, struct sockaddr *nam,
2718 int lktype, struct vnode **vpp, struct nfsexstuff *exp,
2719 struct ucred **credp)
2720{
2721 int i, error, *secflavors;
2722
2723 *credp = NULL((void *)0);
2724 exp->nes_numsecflavor = 0;
2725 error = VFS_FHTOVP(mp, &fhp->fh_fid, lktype, vpp)({ int _rc; do { struct mount *mp__; int _prev_stops; mp__ = (
mp); _prev_stops = sigdeferstop((mp__ != ((void *)0) &&
(mp__->mnt_vfc->vfc_flags & 0x01000000) != 0) ? 2 :
0);; _rc = (*(mp)->mnt_op->vfs_fhtovp)(mp, &fhp->
fh_fid, lktype, vpp); sigallowstop(_prev_stops); } while (0);
_rc; });
2726 if (error != 0)
2727 /* Make sure the server replies ESTALE to the client. */
2728 error = ESTALE70;
2729 if (nam && !error) {
2730 error = VFS_CHECKEXP(mp, nam, &exp->nes_exflag, credp,({ int _rc; do { struct mount *mp__; int _prev_stops; mp__ = (
mp); _prev_stops = sigdeferstop((mp__ != ((void *)0) &&
(mp__->mnt_vfc->vfc_flags & 0x01000000) != 0) ? 2 :
0);; _rc = (*(mp)->mnt_op->vfs_checkexp)(mp, nam, &
exp->nes_exflag, credp, &exp->nes_numsecflavor, &
secflavors); sigallowstop(_prev_stops); } while (0); _rc; })
2731 &exp->nes_numsecflavor, &secflavors)({ int _rc; do { struct mount *mp__; int _prev_stops; mp__ = (
mp); _prev_stops = sigdeferstop((mp__ != ((void *)0) &&
(mp__->mnt_vfc->vfc_flags & 0x01000000) != 0) ? 2 :
0);; _rc = (*(mp)->mnt_op->vfs_checkexp)(mp, nam, &
exp->nes_exflag, credp, &exp->nes_numsecflavor, &
secflavors); sigallowstop(_prev_stops); } while (0); _rc; });
2732 if (error) {
2733 if (nfs_rootfhset) {
2734 exp->nes_exflag = 0;
2735 exp->nes_numsecflavor = 0;
2736 error = 0;
2737 } else {
2738 vput(*vpp);
2739 }
2740 } else {
2741 /* Copy the security flavors. */
2742 for (i = 0; i < exp->nes_numsecflavor; i++)
2743 exp->nes_secflavors[i] = secflavors[i];
2744 }
2745 }
2746 NFSEXITCODE(error);
2747 return (error);
2748}
2749
2750/*
2751 * nfsd_fhtovp() - convert a fh to a vnode ptr
2752 * - look up fsid in mount list (if not found ret error)
2753 * - get vp and export rights by calling nfsvno_fhtovp()
2754 * - if cred->cr_uid == 0 or MNT_EXPORTANON set it to credanon
2755 * for AUTH_SYS
2756 * - if mpp != NULL, return the mount point so that it can
2757 * be used for vn_finished_write() by the caller
2758 */
2759void
2760nfsd_fhtovp(struct nfsrv_descript *nd, struct nfsrvfh *nfp, int lktype,
2761 struct vnode **vpp, struct nfsexstuff *exp,
2762 struct mount **mpp, int startwrite, struct thread *p)
2763{
2764 struct mount *mp;
2765 struct ucred *credanon;
2766 fhandle_t *fhp;
2767
2768 fhp = (fhandle_t *)nfp->nfsrvfh_data;
2769 /*
2770 * Check for the special case of the nfsv4root_fh.
2771 */
2772 mp = vfs_busyfs(&fhp->fh_fsid);
2773 if (mpp != NULL((void *)0))
2774 *mpp = mp;
2775 if (mp == NULL((void *)0)) {
2776 *vpp = NULL((void *)0);
2777 nd->nd_repstat = ESTALE70;
2778 goto out;
2779 }
2780
2781 if (startwrite) {
2782 vn_start_write(NULL((void *)0), mpp, V_WAIT0x0001);
2783 if (lktype == LK_SHARED0x200000 && !(MNT_SHARED_WRITES(mp)))
2784 lktype = LK_EXCLUSIVE0x080000;
2785 }
2786 nd->nd_repstat = nfsvno_fhtovp(mp, fhp, nd->nd_nam, lktype, vpp, exp,
2787 &credanon);
2788 vfs_unbusy(mp);
2789
2790 /*
2791 * For NFSv4 without a pseudo root fs, unexported file handles
2792 * can be returned, so that Lookup works everywhere.
2793 */
2794 if (!nd->nd_repstat && exp->nes_exflag == 0 &&
2795 !(nd->nd_flag & ND_NFSV40x00000010)) {
2796 vput(*vpp);
2797 nd->nd_repstat = EACCES13;
2798 }
2799
2800 /*
2801 * Personally, I've never seen any point in requiring a
2802 * reserved port#, since only in the rare case where the
2803 * clients are all boxes with secure system privileges,
2804 * does it provide any enhanced security, but... some people
2805 * believe it to be useful and keep putting this code back in.
2806 * (There is also some "security checker" out there that
2807 * complains if the nfs server doesn't enforce this.)
2808 * However, note the following:
2809 * RFC3530 (NFSv4) specifies that a reserved port# not be
2810 * required.
2811 * RFC2623 recommends that, if a reserved port# is checked for,
2812 * that there be a way to turn that off--> ifdef'd.
2813 */
2814#ifdef NFS_REQRSVPORT
2815 if (!nd->nd_repstat) {
2816 struct sockaddr_in *saddr;
2817 struct sockaddr_in6 *saddr6;
2818
2819 saddr = NFSSOCKADDR(nd->nd_nam, struct sockaddr_in *)((struct sockaddr_in *)(nd->nd_nam));
2820 saddr6 = NFSSOCKADDR(nd->nd_nam, struct sockaddr_in6 *)((struct sockaddr_in6 *)(nd->nd_nam));
2821 if (!(nd->nd_flag & ND_NFSV40x00000010) &&
2822 ((saddr->sin_family == AF_INET2 &&
2823 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) ||
2824 (saddr6->sin6_family == AF_INET628 &&
2825 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))) {
2826 vput(*vpp);
2827 nd->nd_repstat = (NFSERR_AUTHERR0x80000000 | AUTH_TOOWEAK5);
2828 }
2829 }
2830#endif /* NFS_REQRSVPORT */
2831
2832 /*
2833 * Check/setup credentials.
2834 */
2835 if (!nd->nd_repstat) {
2836 nd->nd_saveduid = nd->nd_cred->cr_uid;
2837 nd->nd_repstat = nfsd_excred(nd, exp, credanon);
2838 if (nd->nd_repstat)
2839 vput(*vpp);
2840 }
2841 if (credanon != NULL((void *)0))
2842 crfree(credanon);
2843 if (nd->nd_repstat) {
2844 if (startwrite)
2845 vn_finished_write(mp);
2846 *vpp = NULL((void *)0);
2847 if (mpp != NULL((void *)0))
2848 *mpp = NULL((void *)0);
2849 }
2850
2851out:
2852 NFSEXITCODE2(0, nd);
2853}
2854
2855/*
2856 * glue for fp.
2857 */
2858static int
2859fp_getfvp(struct thread *p, int fd, struct file **fpp, struct vnode **vpp)
2860{
2861 struct filedesc *fdp;
2862 struct file *fp;
2863 int error = 0;
2864
2865 fdp = p->td_proc->p_fd;
2866 if (fd < 0 || fd >= fdp->fd_nfilesfd_files->fdt_nfiles ||
2867 (fp = fdp->fd_ofilesfd_files->fdt_ofiles[fd].fde_file) == NULL((void *)0)) {
2868 error = EBADF9;
2869 goto out;
2870 }
2871 *fpp = fp;
2872
2873out:
2874 NFSEXITCODE(error);
2875 return (error);
2876}
2877
2878/*
2879 * Called from nfssvc() to update the exports list. Just call
2880 * vfs_export(). This has to be done, since the v4 root fake fs isn't
2881 * in the mount list.
2882 */
2883int
2884nfsrv_v4rootexport(void *argp, struct ucred *cred, struct thread *p)
2885{
2886 struct nfsex_args *nfsexargp = (struct nfsex_args *)argp;
2887 int error = 0;
2888 struct nameidata nd;
2889 fhandle_t fh;
2890
2891 error = vfs_export(&nfsv4root_mnt, &nfsexargp->export);
2892 if ((nfsexargp->export.ex_flags & MNT_DELEXPORT0x0000000000020000ULL) != 0)
2893 nfs_rootfhset = 0;
2894 else if (error == 0) {
2895 if (nfsexargp->fspec == NULL((void *)0)) {
2896 error = EPERM1;
2897 goto out;
2898 }
2899 /*
2900 * If fspec != NULL, this is the v4root path.
2901 */
2902 NDINIT(&nd, LOOKUP, FOLLOW, UIO_USERSPACE,NDINIT_ALL(&nd, 0, 0x0040, UIO_USERSPACE, nfsexargp->fspec
, -100, ((void *)0), 0, p)
2903 nfsexargp->fspec, p)NDINIT_ALL(&nd, 0, 0x0040, UIO_USERSPACE, nfsexargp->fspec
, -100, ((void *)0), 0, p);
2904 if ((error = namei(&nd)) != 0)
2905 goto out;
2906 error = nfsvno_getfh(nd.ni_vp, &fh, p);
2907 vrele(nd.ni_vp);
2908 if (!error) {
2909 nfs_rootfh.nfsrvfh_len = NFSX_MYFH(sizeof (fhandle_t));
2910 NFSBCOPY((caddr_t)&fh,bcopy(((caddr_t)&fh), (nfs_rootfh.nfsrvfh_data), (sizeof (
fhandle_t)))
2911 nfs_rootfh.nfsrvfh_data,bcopy(((caddr_t)&fh), (nfs_rootfh.nfsrvfh_data), (sizeof (
fhandle_t)))
2912 sizeof (fhandle_t))bcopy(((caddr_t)&fh), (nfs_rootfh.nfsrvfh_data), (sizeof (
fhandle_t)));
2913 nfs_rootfhset = 1;
2914 }
2915 }
2916
2917out:
2918 NFSEXITCODE(error);
2919 return (error);
2920}
2921
2922/*
2923 * This function needs to test to see if the system is near its limit
2924 * for memory allocation via malloc() or mget() and return True iff
2925 * either of these resources are near their limit.
2926 * XXX (For now, this is just a stub.)
2927 */
2928int nfsrv_testmalloclimit = 0;
2929int
2930nfsrv_mallocmget_limit(void)
2931{
2932 static int printmesg = 0;
2933 static int testval = 1;
2934
2935 if (nfsrv_testmalloclimit && (testval++ % 1000) == 0) {
2936 if ((printmesg++ % 100) == 0)
2937 printf("nfsd: malloc/mget near limit\n");
2938 return (1);
2939 }
2940 return (0);
2941}
2942
2943/*
2944 * BSD specific initialization of a mount point.
2945 */
2946void
2947nfsd_mntinit(void)
2948{
2949 static int inited = 0;
2950
2951 if (inited)
2952 return;
2953 inited = 1;
2954 nfsv4root_mnt.mnt_flag = (MNT_RDONLY0x0000000000000001ULL | MNT_EXPORTED0x0000000000000100ULL);
2955 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);
2956 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);
2957 nfsv4root_mnt.mnt_export = NULL((void *)0);
2958 TAILQ_INIT(&nfsv4root_opt)do { (((&nfsv4root_opt))->tqh_first) = ((void *)0); (&
nfsv4root_opt)->tqh_last = &(((&nfsv4root_opt))->
tqh_first); ; } while (0);
2959 TAILQ_INIT(&nfsv4root_newopt)do { (((&nfsv4root_newopt))->tqh_first) = ((void *)0);
(&nfsv4root_newopt)->tqh_last = &(((&nfsv4root_newopt
))->tqh_first); ; } while (0);
2960 nfsv4root_mnt.mnt_opt = &nfsv4root_opt;
2961 nfsv4root_mnt.mnt_optnew = &nfsv4root_newopt;
2962 nfsv4root_mnt.mnt_nvnodelistsize = 0;
2963 nfsv4root_mnt.mnt_activevnodelistsize = 0;
2964}
2965
2966/*
2967 * Get a vnode for a file handle, without checking exports, etc.
2968 */
2969struct vnode *
2970nfsvno_getvp(fhandle_t *fhp)
2971{
2972 struct mount *mp;
2973 struct vnode *vp;
2974 int error;
2975
2976 mp = vfs_busyfs(&fhp->fh_fsid);
2977 if (mp == NULL((void *)0))
2978 return (NULL((void *)0));
2979 error = VFS_FHTOVP(mp, &fhp->fh_fid, LK_EXCLUSIVE, &vp)({ int _rc; do { struct mount *mp__; int _prev_stops; mp__ = (
mp); _prev_stops = sigdeferstop((mp__ != ((void *)0) &&
(mp__->mnt_vfc->vfc_flags & 0x01000000) != 0) ? 2 :
0);; _rc = (*(mp)->mnt_op->vfs_fhtovp)(mp, &fhp->
fh_fid, 0x080000, &vp); sigallowstop(_prev_stops); } while
(0); _rc; });
2980 vfs_unbusy(mp);
2981 if (error)
2982 return (NULL((void *)0));
2983 return (vp);
2984}
2985
2986/*
2987 * Do a local VOP_ADVLOCK().
2988 */
2989int
2990nfsvno_advlock(struct vnode *vp, int ftype, u_int64_t first,
2991 u_int64_t end, struct thread *td)
2992{
2993 int error = 0;
2994 struct flock fl;
2995 u_int64_t tlen;
2996
2997 if (nfsrv_dolocallocks == 0)
2998 goto out;
2999 ASSERT_VOP_UNLOCKED(vp, "nfsvno_advlock: vp locked")((void)0);
3000
3001 fl.l_whence = SEEK_SET0;
3002 fl.l_type = ftype;
3003 fl.l_start = (off_t)first;
3004 if (end == NFS64BITSSET0xffffffffffffffffull) {
3005 fl.l_len = 0;
3006 } else {
3007 tlen = end - first;
3008 fl.l_len = (off_t)tlen;
3009 }
3010 /*
3011 * For FreeBSD8, the l_pid and l_sysid must be set to the same
3012 * values for all calls, so that all locks will be held by the
3013 * nfsd server. (The nfsd server handles conflicts between the
3014 * various clients.)
3015 * Since an NFSv4 lockowner is a ClientID plus an array of up to 1024
3016 * bytes, so it can't be put in l_sysid.
3017 */
3018 if (nfsv4_sysid == 0)
3019 nfsv4_sysid = nlm_acquire_next_sysid();
3020 fl.l_pid = (pid_t)0;
3021 fl.l_sysid = (int)nfsv4_sysid;
3022
3023 if (ftype == F_UNLCK2)
3024 error = VOP_ADVLOCK(vp, (caddr_t)td->td_proc, F_UNLCK2, &fl,
3025 (F_POSIX0x040 | F_REMOTE0x080));
3026 else
3027 error = VOP_ADVLOCK(vp, (caddr_t)td->td_proc, F_SETLK12, &fl,
3028 (F_POSIX0x040 | F_REMOTE0x080));
3029
3030out:
3031 NFSEXITCODE(error);
3032 return (error);
3033}
3034
3035/*
3036 * Check the nfsv4 root exports.
3037 */
3038int
3039nfsvno_v4rootexport(struct nfsrv_descript *nd)
3040{
3041 struct ucred *credanon;
3042 int exflags, error = 0, numsecflavor, *secflavors, i;
3043
3044 error = vfs_stdcheckexp(&nfsv4root_mnt, nd->nd_nam, &exflags,
3045 &credanon, &numsecflavor, &secflavors);
3046 if (error) {
3047 error = NFSERR_PROGUNAVAIL(0x40000000 | 1);
3048 goto out;
3049 }
3050 if (credanon != NULL((void *)0))
3051 crfree(credanon);
3052 for (i = 0; i < numsecflavor; i++) {
3053 if (secflavors[i] == AUTH_SYS1)
3054 nd->nd_flag |= ND_EXAUTHSYS0x00080000;
3055 else if (secflavors[i] == RPCSEC_GSS_KRB5390003)
3056 nd->nd_flag |= ND_EXGSS0x00100000;
3057 else if (secflavors[i] == RPCSEC_GSS_KRB5I390004)
3058 nd->nd_flag |= ND_EXGSSINTEGRITY0x00200000;
3059 else if (secflavors[i] == RPCSEC_GSS_KRB5P390005)
3060 nd->nd_flag |= ND_EXGSSPRIVACY0x00400000;
3061 }
3062
3063out:
3064 NFSEXITCODE(error);
3065 return (error);
3066}
3067
3068/*
3069 * Nfs server pseudo system call for the nfsd's
3070 */
3071/*
3072 * MPSAFE
3073 */
3074static int
3075nfssvc_nfsd(struct thread *td, struct nfssvc_args *uap)
3076{
3077 struct file *fp;
3078 struct nfsd_addsock_args sockarg;
3079 struct nfsd_nfsd_args nfsdarg;
3080 cap_rights_t rights;
3081 int error;
3082
3083 if (uap->flag & NFSSVC_NFSDADDSOCK0x00000100) {
3084 error = copyin(uap->argp, (caddr_t)&sockarg, sizeof (sockarg));
3085 if (error)
3086 goto out;
3087 /*
3088 * Since we don't know what rights might be required,
3089 * pretend that we need them all. It is better to be too
3090 * careful than too reckless.
3091 */
3092 error = fget(td, sockarg.sock,
3093 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);
3094 if (error != 0)
3095 goto out;
3096 if (fp->f_type != DTYPE_SOCKET2) {
3097 fdrop(fp, td)(refcount_release(&(fp)->f_count) ? _fdrop((fp), (td))
: _fnoop());
3098 error = EPERM1;
3099 goto out;
3100 }
3101 error = nfsrvd_addsock(fp);
3102 fdrop(fp, td)(refcount_release(&(fp)->f_count) ? _fdrop((fp), (td))
: _fnoop());
3103 } else if (uap->flag & NFSSVC_NFSDNFSD0x00000080) {
3104 if (uap->argp == NULL((void *)0)) {
3105 error = EINVAL22;
3106 goto out;
3107 }
3108 error = copyin(uap->argp, (caddr_t)&nfsdarg,
3109 sizeof (nfsdarg));
3110 if (error)
3111 goto out;
3112 error = nfsrvd_nfsd(td, &nfsdarg);
3113 } else {
3114 error = nfssvc_srvcall(td, uap, td->td_ucred);
3115 }
3116
3117out:
3118 NFSEXITCODE(error);
3119 return (error);
3120}
3121
3122static int
3123nfssvc_srvcall(struct thread *p, struct nfssvc_args *uap, struct ucred *cred)
3124{
3125 struct nfsex_args export;
3126 struct file *fp = NULL((void *)0);
3127 int stablefd, len;
3128 struct nfsd_clid adminrevoke;
3129 struct nfsd_dumplist dumplist;
3130 struct nfsd_dumpclients *dumpclients;
3131 struct nfsd_dumplocklist dumplocklist;
3132 struct nfsd_dumplocks *dumplocks;
3133 struct nameidata nd;
3134 vnode_t vp;
3135 int error = EINVAL22, igotlock;
3136 struct proc *procp;
3137 static int suspend_nfsd = 0;
3138
3139 if (uap->flag & NFSSVC_PUBLICFH0x00080000) {
1
Taking false branch
→
3140 NFSBZERO((caddr_t)&nfs_pubfh.nfsrvfh_data,bzero(((caddr_t)&nfs_pubfh.nfsrvfh_data), (sizeof (fhandle_t
)))
3141 sizeof (fhandle_t))bzero(((caddr_t)&nfs_pubfh.nfsrvfh_data), (sizeof (fhandle_t
)));
3142 error = copyin(uap->argp,
3143 &nfs_pubfh.nfsrvfh_data, sizeof (fhandle_t));
3144 if (!error)
3145 nfs_pubfhset = 1;
3146 } else if (uap->flag & NFSSVC_V4ROOTEXPORT0x00004000) {
2
←
Taking false branch
→
3147 error = copyin(uap->argp,(caddr_t)&export,
3148 sizeof (struct nfsex_args));
3149 if (!error)
3150 error = nfsrv_v4rootexport(&export, cred, p);
3151 } else if (uap->flag & NFSSVC_NOPUBLICFH0x00000020) {
3
←
Taking false branch
→
3152 nfs_pubfhset = 0;
3153 error = 0;
3154 } else if (uap->flag & NFSSVC_STABLERESTART0x00000040) {
4
←
Taking false branch
→
3155 error = copyin(uap->argp, (caddr_t)&stablefd,
3156 sizeof (int));
3157 if (!error)
3158 error = fp_getfvp(p, stablefd, &fp, &vp);
3159 if (!error && (NFSFPFLAG(fp)((fp)->f_flag) & (FREAD0x0001 | FWRITE0x0002)) != (FREAD0x0001 | FWRITE0x0002))
3160 error = EBADF9;
3161 if (!error && newnfs_numnfsd != 0)
3162 error = EPERM1;
3163 if (!error) {
3164 nfsrv_stablefirst.nsf_fp = fp;
3165 nfsrv_setupstable(p);
3166 }
3167 } else if (uap->flag & NFSSVC_ADMINREVOKE0x00008000) {
5
←
Taking false branch
→
3168 error = copyin(uap->argp, (caddr_t)&adminrevoke,
3169 sizeof (struct nfsd_clid));
3170 if (!error)
3171 error = nfsrv_adminrevoke(&adminrevoke, p);
3172 } else if (uap->flag & NFSSVC_DUMPCLIENTS0x00010000) {
6
←
Taking false branch
→
3173 error = copyin(uap->argp, (caddr_t)&dumplist,
3174 sizeof (struct nfsd_dumplist));
3175 if (!error && (dumplist.ndl_size < 1 ||
3176 dumplist.ndl_size > NFSRV_MAXDUMPLIST10000))
3177 error = EPERM1;
3178 if (!error) {
3179 len = sizeof (struct nfsd_dumpclients) * dumplist.ndl_size;
3180 dumpclients = (struct nfsd_dumpclients *)malloc(len,
3181 M_TEMP, M_WAITOK0x0002);
3182 nfsrv_dumpclients(dumpclients, dumplist.ndl_size);
3183 error = copyout(dumpclients,
3184 CAST_USER_ADDR_T(dumplist.ndl_list)(dumplist.ndl_list), len);
3185 free((caddr_t)dumpclients, M_TEMP);
3186 }
3187 } else if (uap->flag & NFSSVC_DUMPLOCKS0x00020000) {
7
←
Taking true branch
→
3188 error = copyin(uap->argp, (caddr_t)&dumplocklist,
3189 sizeof (struct nfsd_dumplocklist));
3190 if (!error && (dumplocklist.ndllck_size < 1 ||
8
←
Assuming 'error' is 0
→
9
←
Taking false branch
→
3191 dumplocklist.ndllck_size > NFSRV_MAXDUMPLIST10000))
3192 error = EPERM1;
3193 if (!error)
10
←
Taking true branch
→
3194 error = nfsrv_lookupfilename(&nd,
3195 dumplocklist.ndllck_fname, p);
3196 if (!error) {
11
←
Assuming 'error' is 0
→
12
←
Taking true branch
→
3197 len = sizeof (struct nfsd_dumplocks) *
3198 dumplocklist.ndllck_size;
3199 dumplocks = (struct nfsd_dumplocks *)malloc(len,
3200 M_TEMP, M_WAITOK0x0002);
3201 nfsrv_dumplocks(nd.ni_vp, dumplocks,
3202 dumplocklist.ndllck_size, p);
3203 vput(nd.ni_vp);
3204 error = copyout(dumplocks,
13
←
Copies out a struct with a union element with different sizes
3205 CAST_USER_ADDR_T(dumplocklist.ndllck_list)(dumplocklist.ndllck_list), len);
3206 free((caddr_t)dumplocks, M_TEMP);
3207 }
3208 } else if (uap->flag & NFSSVC_BACKUPSTABLE0x00800000) {
3209 procp = p->td_proc;
3210 PROC_LOCK(procp)__mtx_lock_flags(&((((&(procp)->p_mtx))))->mtx_lock
, ((0)), ("/usr/src/sys/modules/nfsd/../../fs/nfsserver/nfs_nfsdport.c"
), (3210));
3211 nfsd_master_pid = procp->p_pid;
3212 bcopy(procp->p_comm, nfsd_master_comm, MAXCOMLEN19 + 1);
3213 nfsd_master_start = procp->p_stats->p_start;
3214 nfsd_master_proc = procp;
3215 PROC_UNLOCK(procp)__mtx_unlock_flags(&((((&(procp)->p_mtx))))->mtx_lock
, ((0)), ("/usr/src/sys/modules/nfsd/../../fs/nfsserver/nfs_nfsdport.c"
), (3215));
3216 } else if ((uap->flag & NFSSVC_SUSPENDNFSD0x04000000) != 0) {
3217 NFSLOCKV4ROOTMUTEX()__mtx_lock_flags(&((((&nfs_v4root_mutex))))->mtx_lock
, ((0)), ("/usr/src/sys/modules/nfsd/../../fs/nfsserver/nfs_nfsdport.c"
), (3217));
3218 if (suspend_nfsd == 0) {
3219 /* Lock out all nfsd threads */
3220 do {
3221 igotlock = nfsv4_lock(&nfsd_suspend_lock, 1,
3222 NULL((void *)0), NFSV4ROOTLOCKMUTEXPTR(&nfs_v4root_mutex), NULL((void *)0));
3223 } while (igotlock == 0 && suspend_nfsd == 0);
3224 suspend_nfsd = 1;
3225 }
3226 NFSUNLOCKV4ROOTMUTEX()__mtx_unlock_flags(&((((&nfs_v4root_mutex))))->mtx_lock
, ((0)), ("/usr/src/sys/modules/nfsd/../../fs/nfsserver/nfs_nfsdport.c"
), (3226));
3227 error = 0;
3228 } else if ((uap->flag & NFSSVC_RESUMENFSD0x08000000) != 0) {
3229 NFSLOCKV4ROOTMUTEX()__mtx_lock_flags(&((((&nfs_v4root_mutex))))->mtx_lock
, ((0)), ("/usr/src/sys/modules/nfsd/../../fs/nfsserver/nfs_nfsdport.c"
), (3229));
3230 if (suspend_nfsd != 0) {
3231 nfsv4_unlock(&nfsd_suspend_lock, 0);
3232 suspend_nfsd = 0;
3233 }
3234 NFSUNLOCKV4ROOTMUTEX()__mtx_unlock_flags(&((((&nfs_v4root_mutex))))->mtx_lock
, ((0)), ("/usr/src/sys/modules/nfsd/../../fs/nfsserver/nfs_nfsdport.c"
), (3234));
3235 error = 0;
3236 }
3237
3238 NFSEXITCODE(error);
3239 return (error);
3240}
3241
3242/*
3243 * Check exports.
3244 * Returns 0 if ok, 1 otherwise.
3245 */
3246int
3247nfsvno_testexp(struct nfsrv_descript *nd, struct nfsexstuff *exp)
3248{
3249 int i;
3250
3251 /*
3252 * This seems odd, but allow the case where the security flavor
3253 * list is empty. This happens when NFSv4 is traversing non-exported
3254 * file systems. Exported file systems should always have a non-empty
3255 * security flavor list.
3256 */
3257 if (exp->nes_numsecflavor == 0)
3258 return (0);
3259
3260 for (i = 0; i < exp->nes_numsecflavor; i++) {
3261 /*
3262 * The tests for privacy and integrity must be first,
3263 * since ND_GSS is set for everything but AUTH_SYS.
3264 */
3265 if (exp->nes_secflavors[i] == RPCSEC_GSS_KRB5P390005 &&
3266 (nd->nd_flag & ND_GSSPRIVACY0x00000080))
3267 return (0);
3268 if (exp->nes_secflavors[i] == RPCSEC_GSS_KRB5I390004 &&
3269 (nd->nd_flag & ND_GSSINTEGRITY0x00000040))
3270 return (0);
3271 if (exp->nes_secflavors[i] == RPCSEC_GSS_KRB5390003 &&
3272 (nd->nd_flag & ND_GSS(0x00000020)))
3273 return (0);
3274 if (exp->nes_secflavors[i] == AUTH_SYS1 &&
3275 (nd->nd_flag & ND_GSS(0x00000020)) == 0)
3276 return (0);
3277 }
3278 return (1);
3279}
3280
3281/*
3282 * Calculate a hash value for the fid in a file handle.
3283 */
3284uint32_t
3285nfsrv_hashfh(fhandle_t *fhp)
3286{
3287 uint32_t hashval;
3288
3289 hashval = hash32_buf(&fhp->fh_fid, sizeof(struct fid), 0);
3290 return (hashval);
3291}
3292
3293/*
3294 * Calculate a hash value for the sessionid.
3295 */
3296uint32_t
3297nfsrv_hashsessionid(uint8_t *sessionid)
3298{
3299 uint32_t hashval;
3300
3301 hashval = hash32_buf(sessionid, NFSX_V4SESSIONID16, 0);
3302 return (hashval);
3303}
3304
3305/*
3306 * Signal the userland master nfsd to backup the stable restart file.
3307 */
3308void
3309nfsrv_backupstable(void)
3310{
3311 struct proc *procp;
3312
3313 if (nfsd_master_proc != NULL((void *)0)) {
3314 procp = pfind(nfsd_master_pid);
3315 /* Try to make sure it is the correct process. */
3316 if (procp == nfsd_master_proc &&
3317 procp->p_stats->p_start.tv_sec ==
3318 nfsd_master_start.tv_sec &&
3319 procp->p_stats->p_start.tv_usec ==
3320 nfsd_master_start.tv_usec &&
3321 strcmp(procp->p_comm, nfsd_master_comm) == 0)
3322 kern_psignal(procp, SIGUSR231);
3323 else
3324 nfsd_master_proc = NULL((void *)0);
3325
3326 if (procp != NULL((void *)0))
3327 PROC_UNLOCK(procp)__mtx_unlock_flags(&((((&(procp)->p_mtx))))->mtx_lock
, ((0)), ("/usr/src/sys/modules/nfsd/../../fs/nfsserver/nfs_nfsdport.c"
), (3327));
3328 }
3329}
3330
3331extern int (*nfsd_call_nfsd)(struct thread *, struct nfssvc_args *);
3332
3333/*
3334 * Called once to initialize data structures...
3335 */
3336static int
3337nfsd_modevent(module_t mod, int type, void *data)
3338{
3339 int error = 0, i;
3340 static int loaded = 0;
3341
3342 switch (type) {
3343 case MOD_LOAD:
3344 if (loaded)
3345 goto out;
3346 newnfs_portinit();
3347 for (i = 0; i < NFSRVCACHE_HASHSIZE500; i++) {
3348 mtx_init(&nfsrchash_table[i].mtx, "nfsrtc", NULL,_mtx_init(&(&nfsrchash_table[i].mtx)->mtx_lock, "nfsrtc"
, ((void *)0), 0x00000000)
3349 MTX_DEF)_mtx_init(&(&nfsrchash_table[i].mtx)->mtx_lock, "nfsrtc"
, ((void *)0), 0x00000000);
3350 mtx_init(&nfsrcahash_table[i].mtx, "nfsrtca", NULL,_mtx_init(&(&nfsrcahash_table[i].mtx)->mtx_lock, "nfsrtca"
, ((void *)0), 0x00000000)
3351 MTX_DEF)_mtx_init(&(&nfsrcahash_table[i].mtx)->mtx_lock, "nfsrtca"
, ((void *)0), 0x00000000);
3352 }
3353 mtx_init(&nfsrc_udpmtx, "nfsuc", NULL, MTX_DEF)_mtx_init(&(&nfsrc_udpmtx)->mtx_lock, "nfsuc", ((void
*)0), 0x00000000);
3354 mtx_init(&nfs_v4root_mutex, "nfs4rt", NULL, MTX_DEF)_mtx_init(&(&nfs_v4root_mutex)->mtx_lock, "nfs4rt"
, ((void *)0), 0x00000000);
3355 mtx_init(&nfsv4root_mnt.mnt_mtx, "nfs4mnt", NULL, MTX_DEF)_mtx_init(&(&nfsv4root_mnt.mnt_mtx)->mtx_lock, "nfs4mnt"
, ((void *)0), 0x00000000);
3356 lockinit(&nfsv4root_mnt.mnt_explock, PVFS((80) + 16), "explock", 0, 0);
3357 nfsrvd_initcache();
3358 nfsd_init();
3359 NFSD_LOCK()__mtx_lock_flags(&((((&newnfsd_mtx))))->mtx_lock, (
(0)), ("/usr/src/sys/modules/nfsd/../../fs/nfsserver/nfs_nfsdport.c"
), (3359));
3360 nfsrvd_init(0);
3361 NFSD_UNLOCK()__mtx_unlock_flags(&((((&newnfsd_mtx))))->mtx_lock
, ((0)), ("/usr/src/sys/modules/nfsd/../../fs/nfsserver/nfs_nfsdport.c"
), (3361));
3362 nfsd_mntinit();
3363#ifdef VV_DISABLEDELEG
3364 vn_deleg_ops.vndeleg_recall = nfsd_recalldelegation;
3365 vn_deleg_ops.vndeleg_disable = nfsd_disabledelegation;
3366#endif
3367 nfsd_call_servertimer = nfsrv_servertimer;
3368 nfsd_call_nfsd = nfssvc_nfsd;
3369 loaded = 1;
3370 break;
3371
3372 case MOD_UNLOAD:
3373 if (newnfs_numnfsd != 0) {
3374 error = EBUSY16;
3375 break;
3376 }
3377
3378#ifdef VV_DISABLEDELEG
3379 vn_deleg_ops.vndeleg_recall = NULL((void *)0);
3380 vn_deleg_ops.vndeleg_disable = NULL((void *)0);
3381#endif
3382 nfsd_call_servertimer = NULL((void *)0);
3383 nfsd_call_nfsd = NULL((void *)0);
3384
3385 /* Clean out all NFSv4 state. */
3386 nfsrv_throwawayallstate(curthread(__curthread()));
3387
3388 /* Clean the NFS server reply cache */
3389 nfsrvd_cleancache();
3390
3391 /* Free up the krpc server pool. */
3392 if (nfsrvd_pool != NULL((void *)0))
3393 svcpool_destroy(nfsrvd_pool);
3394
3395 /* and get rid of the locks */
3396 for (i = 0; i < NFSRVCACHE_HASHSIZE500; i++) {
3397 mtx_destroy(&nfsrchash_table[i].mtx)_mtx_destroy(&(&nfsrchash_table[i].mtx)->mtx_lock);
3398 mtx_destroy(&nfsrcahash_table[i].mtx)_mtx_destroy(&(&nfsrcahash_table[i].mtx)->mtx_lock
);
3399 }
3400 mtx_destroy(&nfsrc_udpmtx)_mtx_destroy(&(&nfsrc_udpmtx)->mtx_lock);
3401 mtx_destroy(&nfs_v4root_mutex)_mtx_destroy(&(&nfs_v4root_mutex)->mtx_lock);
3402 mtx_destroy(&nfsv4root_mnt.mnt_mtx)_mtx_destroy(&(&nfsv4root_mnt.mnt_mtx)->mtx_lock);
3403 for (i = 0; i < nfsrv_sessionhashsize; i++)
3404 mtx_destroy(&nfssessionhash[i].mtx)_mtx_destroy(&(&nfssessionhash[i].mtx)->mtx_lock);
3405 lockdestroy(&nfsv4root_mnt.mnt_explock);
3406 free(nfsclienthash, M_NFSDCLIENTM_NEWNFSDCLIENT);
3407 free(nfslockhash, M_NFSDLOCKFILEM_NEWNFSDLOCKFILE);
3408 free(nfssessionhash, M_NFSDSESSIONM_NEWNFSDSESSION);
3409 loaded = 0;
3410 break;
3411 default:
3412 error = EOPNOTSUPP45;
3413 break;
3414 }
3415
3416out:
3417 NFSEXITCODE(error);
3418 return (error);
3419}
3420static moduledata_t nfsd_mod = {
3421 "nfsd",
3422 nfsd_modevent,
3423 NULL((void *)0),
3424};
3425DECLARE_MODULE(nfsd, nfsd_mod, SI_SUB_VFS, SI_ORDER_ANY)static struct mod_depend _nfsd_depend_on_kernel __attribute__
((__section__(".data"))) = { 1100122, 1100122, (((((1100122)+
((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 * const __set_sysinit_set_sym_nfsdmodule_sys_init
__attribute__((__section__("set_" "sysinit_set"))) __attribute__
((__used__)) = &(nfsdmodule_sys_init); struct __hack;
3426
3427/* So that loader and kldload(2) can find us, wherever we are.. */
3428MODULE_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);
3429MODULE_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);
3430MODULE_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);
3431MODULE_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);
3432MODULE_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);
3433MODULE_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);
3434