/usr/src/sys/fs/nfsserver/nfs

Bug Summary

File:	fs/nfsserver/nfs_nfsdport.c
Warning:	line 3204, column 12 Copies out a struct with uncleared padding (>= 4 bytes)

Annotated Source Code

/*-

* This code is derived from software contributed to Berkeley by

* Rick Macklem at The University of Guelph.

* Redistribution and use in source and binary forms, with or without

* modification, are permitted provided that the following conditions

* are met:

* 1. Redistributions of source code must retain the above copyright

* notice, this list of conditions and the following disclaimer.

* 2. Redistributions in binary form must reproduce the above copyright

* notice, this list of conditions and the following disclaimer in the

* documentation and/or other materials provided with the distribution.

* 4. Neither the name of the University nor the names of its contributors

* may be used to endorse or promote products derived from this software

* without specific prior written permission.

* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND

* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE

* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE

* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL

* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS

* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)

* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT

* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY

* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF

* SUCH DAMAGE.

#include <sys/cdefs.h>

__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 $"
"\"");

#include <sys/capsicum.h>

* Functions that perform the vfs operations required by the routines in

* nfsd_serv.c. It is hoped that this change will make the server more

* portable.

#include <fs/nfs/nfsport.h>

#include <sys/hash.h>

#include <sys/sysctl.h>

#include <nlm/nlm_prot.h>

#include <nlm/nlm.h>

FEATURE(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) &
0) == 2) && sizeof(int) == sizeof(*(((int *)((void *
)0)))), "compile-time assertion failed");

extern u_int32_t newnfs_true, newnfs_false, newnfs_xdrneg1;

extern int nfsrv_useacl;

extern int newnfs_numnfsd;

extern struct mount nfsv4root_mnt;

extern struct nfsrv_stablefirst nfsrv_stablefirst;

extern void (*nfsd_call_servertimer)(void);

extern SVCPOOL *nfsrvd_pool;

extern struct nfsv4lock nfsd_suspend_lock;

extern struct nfsclienthashhead *nfsclienthash;

extern struct nfslockhashhead *nfslockhash;

extern struct nfssessionhash *nfssessionhash;

extern int nfsrv_sessionhashsize;

struct vfsoptlist nfsv4root_opt, nfsv4root_newopt;

NFSDLOCKMUTEXextern struct mtx newnfsd_mtx;

struct nfsrchash_bucket nfsrchash_table[NFSRVCACHE_HASHSIZE500];

struct nfsrchash_bucket nfsrcahash_table[NFSRVCACHE_HASHSIZE500];

struct mtx nfsrc_udpmtx;

struct mtx nfs_v4root_mutex;

struct nfsrvfh nfs_rootfh, nfs_pubfh;

int nfs_pubfhset = 0, nfs_rootfhset = 0;

struct proc *nfsd_master_proc = NULL((void *)0);

int nfsd_debuglevel = 0;

static pid_t nfsd_master_pid = (pid_t)-1;

static char nfsd_master_comm[MAXCOMLEN19 + 1];

static struct timeval nfsd_master_start;

static uint32_t nfsv4_sysid = 0;

static int nfssvc_srvcall(struct thread *, struct nfssvc_args *,

struct ucred *);

int nfsrv_enable_crossmntpt = 1;

static int nfs_commit_blks;

static int nfs_commit_miss;

extern int nfsrv_issuedelegs;

extern int nfsrv_dolocallocks;

extern int nfsd_enable_stringtouid;

SYSCTL_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)) &
0) == 1, "compile-time assertion failed");

SYSCTL_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)) & 0) == 2) && sizeof(int) == sizeof
(*(&nfsrv_enable_crossmntpt)), "compile-time assertion failed"
)

&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)) & 0) == 2) && sizeof(int) == sizeof
(*(&nfsrv_enable_crossmntpt)), "compile-time assertion failed"
);

SYSCTL_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)) & 0) == 2) && sizeof(int) == sizeof
(*(&nfs_commit_blks)), "compile-time assertion failed")

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)) & 0) == 2) && sizeof(int) == sizeof
(*(&nfs_commit_blks)), "compile-time assertion failed");

SYSCTL_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)) & 0) == 2) && sizeof(int) == sizeof
(*(&nfs_commit_miss)), "compile-time assertion failed")

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)) & 0) == 2) && sizeof(int) == sizeof
(*(&nfs_commit_miss)), "compile-time assertion failed");

SYSCTL_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)) & 0) == 2) && sizeof(int) == sizeof
(*(&nfsrv_issuedelegs)), "compile-time assertion failed")

&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)) & 0) == 2) && sizeof(int) == sizeof
(*(&nfsrv_issuedelegs)), "compile-time assertion failed");

SYSCTL_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)) & 0) == 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)) & 0) == 2) && sizeof(int) == sizeof
(*(&nfsrv_dolocallocks)), "compile-time assertion failed"
);

101

SYSCTL_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)) & 0) == 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)) & 0) == 2) && sizeof(int) == sizeof
(*(&nfsd_debuglevel)), "compile-time assertion failed");

103

SYSCTL_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)) & 0) == 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)) & 0) == 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

112

static 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

123

static struct nfsheur *

124

nfsrv_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

180

int

181

nfsvno_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/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

208

int

209

nfsvno_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

231

int

232

nfsvno_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/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

315

out:

316

NFSEXITCODE(error);

317

return (error);

318

}

319

320

321

* Set attribute(s) vnop.

322

323

int

324

nfsvno_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

337

int

338

nfsvno_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

519

out:

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

529

out1:

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

538

void

539

nfsvno_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

553

void

554

nfsvno_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

566

int

567

nfsvno_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

621

out:

622

NFSEXITCODE(error);

623

return (error);

624

}

625

626

627

* Read vnode op call into mbuf list.

628

629

int

630

nfsvno_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

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

708

out:

709

NFSEXITCODE(error);

710

return (error);

711

}

712

713

714

* Write vnode op from an mbuf list.

715

716

int

717

nfsvno_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

773

int

774

nfsvno_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

866

out:

867

NFSEXITCODE(error);

868

return (error);

869

}

870

871

872

* Do a mknod vnode op.

873

874

int

875

nfsvno_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

925

out:

926

NFSEXITCODE(error);

927

return (error);

928

}

929

930

931

* Mkdir vnode op.

932

933

int

934

nfsvno_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

954

out:

955

NFSEXITCODE(error);

956

return (error);

957

}

958

959

960

* symlink vnode op.

961

962

int

963

nfsvno_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

995

out:

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

1007

int

1008

nfsvno_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);

1039

nfsmout:

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

1049

int

1050

nfsvno_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

1077

int

1078

nfsvno_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;

1101

out:

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

1118

int

1119

nfsvno_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/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

}

1199

out:

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);

1218

out1:

1219

vrele(fromndp->ni_startdir);

1220

nfsvno_relpathbuf(fromndp);

1221

NFSEXITCODE(error);

1222

return (error);

1223

}

1224

1225

1226

* Link vnode op.

1227

1228

int

1229

nfsvno_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/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

1270

int

1271

nfsvno_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)do { uintptr_t _tid = (uintptr_t)((__curthread())); if (((&
(vp->v_bufobj.bo_object)->lock))->rw_lock != ((0) <<
4 | 0x01) || !atomic_cmpset_long(&(((&(vp->v_bufobj
.bo_object)->lock)))->rw_lock, ((0) << 4 | 0x01),
(_tid))) __rw_wlock_hard(&(((&(vp->v_bufobj.bo_object
)->lock)))->rw_lock, _tid, (((void *)0)), (0)); else do
{ (void)0; do { if (__builtin_expect((sdt_lockstat___rw__acquire
->id), 0)) (*sdt_probe_func)(sdt_lockstat___rw__acquire->
id, (uintptr_t) (&(vp->v_bufobj.bo_object)->lock), (
uintptr_t) 0, (uintptr_t) 0, (uintptr_t) 0, (uintptr_t) 0); }
while (0); } while (0); } while (0);

1292

vm_object_page_clean(vp->v_objectv_bufobj.bo_object, 0, 0, OBJPC_SYNC0x1);

1293

VM_OBJECT_WUNLOCK(vp->v_object)do { uintptr_t _tid = (uintptr_t)((__curthread())); if (((&
(vp->v_bufobj.bo_object)->lock))->lock_object.lo_data
) ((&(vp->v_bufobj.bo_object)->lock))->lock_object
.lo_data--; else { do { (void)0; do { if (__builtin_expect((sdt_lockstat___rw__release
->id), 0)) (*sdt_probe_func)(sdt_lockstat___rw__release->
id, (uintptr_t) (&(vp->v_bufobj.bo_object)->lock), (
uintptr_t) 0, (uintptr_t) 0, (uintptr_t) 0, (uintptr_t) 0); }
while (0); } while (0); if (((&(vp->v_bufobj.bo_object
)->lock))->rw_lock != _tid || !atomic_cmpset_long(&
(((&(vp->v_bufobj.bo_object)->lock)))->rw_lock, (
_tid), ((0) << 4 | 0x01))) __rw_wunlock_hard(&(((&
(vp->v_bufobj.bo_object)->lock)))->rw_lock, _tid, ((
(void *)0)), (0)); } } while (0);

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

1323

vm_object_page_clean(vp->v_objectv_bufobj.bo_object, off, off + cnt,

1324

OBJPC_SYNC0x1);

1325

1326

}

1327

1328

bo = &vp->v_bufobj;

1329

BO_LOCK(bo)do { uintptr_t _tid = (uintptr_t)((__curthread())); if ((((&
((bo))->bo_lock)))->rw_lock != ((0) << 4 | 0x01) ||
!atomic_cmpset_long(&((((&((bo))->bo_lock))))->
rw_lock, ((0) << 4 | 0x01), (_tid))) __rw_wlock_hard(&
((((&((bo))->bo_lock))))->rw_lock, _tid, (((void *)
0)), (0)); else do { (void)0; do { if (__builtin_expect((sdt_lockstat___rw__acquire
->id), 0)) (*sdt_probe_func)(sdt_lockstat___rw__acquire->
id, (uintptr_t) ((&((bo))->bo_lock)), (uintptr_t) 0, (
uintptr_t) 0, (uintptr_t) 0, (uintptr_t) 0); } while (0); } while
(0); } while (0);

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
), ((void *)0), 0)

1345

LK_INTERLOCK, BO_LOCKPTR(bo))_lockmgr_args_rw(&(bp)->b_lock, (0x080000 | 0x000800 |
0x000100), ((&(bo)->bo_lock)), (((void *)0)), (0), (0
), ((void *)0), 0) == ENOLCK77) {

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), ((void *)0)
, 0); } while (0);

1357

1358

}

1359

++nfs_commit_blks;

1360

if (cnt < iosize)

1361

break;

1362

cnt -= iosize;

1363

++lblkno;

1364

}

1365

BO_UNLOCK(bo)do { uintptr_t _tid = (uintptr_t)((__curthread())); if ((((&
((bo))->bo_lock)))->lock_object.lo_data) (((&((bo))
->bo_lock)))->lock_object.lo_data--; else { do { (void)
0; do { if (__builtin_expect((sdt_lockstat___rw__release->
id), 0)) (*sdt_probe_func)(sdt_lockstat___rw__release->id,
(uintptr_t) ((&((bo))->bo_lock)), (uintptr_t) 0, (uintptr_t
) 0, (uintptr_t) 0, (uintptr_t) 0); } while (0); } while (0);
if ((((&((bo))->bo_lock)))->rw_lock != _tid || !atomic_cmpset_long
(&((((&((bo))->bo_lock))))->rw_lock, (_tid), ((
0) << 4 | 0x01))) __rw_wunlock_hard(&((((&((bo)
)->bo_lock))))->rw_lock, _tid, (((void *)0)), (0)); } }
while (0);

1366

}

1367

NFSEXITCODE(error);

1368

return (error);

1369

}

1370

1371

1372

* Statfs vnode op.

1373

1374

int

1375

nfsvno_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

1401

void

1402

nfsvno_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

1499

int

1500

nfsvno_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/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

1520

int

1521

nfsvno_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

1559

int

1560

nfsrvd_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)));

1631

again:

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

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

1791

out:

1792

NFSEXITCODE2(0, nd);

1793

return (0);

1794

nfsmout:

1795

vput(vp);

1796

NFSEXITCODE2(error, nd);

1797

return (error);

1798

}

1799

1800

1801

* Readdirplus for V3 and Readdir for V4.

1802

1803

int

1804

nfsrvd_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

1835

toff = off;

1836

tl += 2;

1837

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

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)));

1909

again:

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

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

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/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

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

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

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

2303

out:

2304

NFSEXITCODE2(0, nd);

2305

return (0);

2306

nfsmout:

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

2316

int

2317

nfsrv_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

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

}

2401

nfsmout:

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

2410

int

2411

nfsv4_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

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

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

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

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

}

2612

nfsmout:

2613

NFSEXITCODE2(error, nd);

2614

return (error);

2615

}

2616

2617

2618

* Check/setup export credentials.

2619

2620

int

2621

nfsd_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

2682

out:

2683

NFSEXITCODE2(error, nd);

2684

return (error);

2685

}

2686

2687

2688

* Check exports.

2689

2690

int

2691

nfsvno_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

2716

int

2717

nfsvno_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

2731

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

2759

void

2760

nfsd_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

2851

out:

2852

NFSEXITCODE2(0, nd);

2853

}

2854

2855

2856

* glue for fp.

2857

2858

static int

2859

fp_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

2873

out:

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

2883

int

2884

nfsrv_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

2917

out:

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

2928

int nfsrv_testmalloclimit = 0;

2929

int

2930

nfsrv_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

2946

void

2947

nfsd_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

2969

struct vnode *

2970

nfsvno_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

2989

int

2990

nfsvno_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

3030

out:

3031

NFSEXITCODE(error);

3032

return (error);

3033

}

3034

3035

3036

* Check the nfsv4 root exports.

3037

3038

int

3039

nfsvno_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

3063

out:

3064

NFSEXITCODE(error);

3065

return (error);

3066

}

3067

3068

3069

* Nfs server pseudo system call for the nfsd's

3070

3071

3072

* MPSAFE

3073

3074

static int

3075

nfssvc_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

3117

out:

3118

NFSEXITCODE(error);

3119

return (error);

3120

}

3121

3122

static int

3123

nfssvc_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) {

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) {

←

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) {

←

Taking false branch

→

3152

nfs_pubfhset = 0;

3153

error = 0;

3154

} else if (uap->flag & NFSSVC_STABLERESTART0x00000040) {

←

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) {

←

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) {

←

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) {

←

Taking true branch

→

3188

error = copyin(uap->argp, (caddr_t)&dumplocklist,

3189

sizeof (struct nfsd_dumplocklist));

3190

if (!error && (dumplocklist.ndllck_size < 1 ||

←

Assuming 'error' is 0

→

←

Taking false branch

→

3191

dumplocklist.ndllck_size > NFSRV_MAXDUMPLIST10000))

3192

error = EPERM1;

3193

if (!error)

←

Taking true branch

→

3194

error = nfsrv_lookupfilename(&nd,

3195

dumplocklist.ndllck_fname, p);

3196

if (!error) {

←

Assuming 'error' is 0

→

←

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,

←

Copies out a struct with uncleared padding (>= 4 bytes)

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)do { uintptr_t _tid = (uintptr_t)((__curthread())); if ((((((
&(procp)->p_mtx))))->mtx_lock != 0x00000004 || !atomic_cmpset_long
(&(((((&(procp)->p_mtx)))))->mtx_lock, 0x00000004
, (_tid)))) __mtx_lock_sleep(&(((((&(procp)->p_mtx
)))))->mtx_lock, _tid, (((0))), ((((void *)0))), ((0))); else
do { (void)0; do { if (__builtin_expect((sdt_lockstat___adaptive__acquire
->id), 0)) (*sdt_probe_func)(sdt_lockstat___adaptive__acquire
->id, (uintptr_t) (((&(procp)->p_mtx))), (uintptr_t
) 0, (uintptr_t) 0, (uintptr_t) 0, (uintptr_t) 0); } while (0
); } while (0); } while (0);

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)do { uintptr_t _tid = (uintptr_t)((__curthread())); if (((((&
(procp)->p_mtx))))->lock_object.lo_data == 0) do { (void
)0; do { if (__builtin_expect((sdt_lockstat___adaptive__release
->id), 0)) (*sdt_probe_func)(sdt_lockstat___adaptive__release
->id, (uintptr_t) (((&(procp)->p_mtx))), (uintptr_t
) 0, (uintptr_t) 0, (uintptr_t) 0, (uintptr_t) 0); } while (0
); } while (0); if (((((&(procp)->p_mtx))))->mtx_lock
!= _tid || !atomic_cmpset_long(&(((((&(procp)->p_mtx
)))))->mtx_lock, (_tid), 0x00000004)) __mtx_unlock_sleep(&
(((((&(procp)->p_mtx)))))->mtx_lock, (((0))), ((((void
*)0))), ((0))); } while (0);

3216

} else if ((uap->flag & NFSSVC_SUSPENDNFSD0x04000000) != 0) {

3217

NFSLOCKV4ROOTMUTEX()do { uintptr_t _tid = (uintptr_t)((__curthread())); if ((((((
&nfs_v4root_mutex))))->mtx_lock != 0x00000004 || !atomic_cmpset_long
(&(((((&nfs_v4root_mutex)))))->mtx_lock, 0x00000004
, (_tid)))) __mtx_lock_sleep(&(((((&nfs_v4root_mutex)
))))->mtx_lock, _tid, (((0))), ((((void *)0))), ((0))); else
do { (void)0; do { if (__builtin_expect((sdt_lockstat___adaptive__acquire
->id), 0)) (*sdt_probe_func)(sdt_lockstat___adaptive__acquire
->id, (uintptr_t) (((&nfs_v4root_mutex))), (uintptr_t)
0, (uintptr_t) 0, (uintptr_t) 0, (uintptr_t) 0); } while (0)
; } while (0); } while (0);

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()do { uintptr_t _tid = (uintptr_t)((__curthread())); if (((((&
nfs_v4root_mutex))))->lock_object.lo_data == 0) do { (void
)0; do { if (__builtin_expect((sdt_lockstat___adaptive__release
->id), 0)) (*sdt_probe_func)(sdt_lockstat___adaptive__release
->id, (uintptr_t) (((&nfs_v4root_mutex))), (uintptr_t)
0, (uintptr_t) 0, (uintptr_t) 0, (uintptr_t) 0); } while (0)
; } while (0); if (((((&nfs_v4root_mutex))))->mtx_lock
!= _tid || !atomic_cmpset_long(&(((((&nfs_v4root_mutex
)))))->mtx_lock, (_tid), 0x00000004)) __mtx_unlock_sleep(&
(((((&nfs_v4root_mutex)))))->mtx_lock, (((0))), ((((void
*)0))), ((0))); } while (0);

3227

error = 0;

3228

} else if ((uap->flag & NFSSVC_RESUMENFSD0x08000000) != 0) {

3229

3230

if (suspend_nfsd != 0) {

3231

nfsv4_unlock(&nfsd_suspend_lock, 0);

3232

suspend_nfsd = 0;

3233

}

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

3246

int

3247

nfsvno_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

3284

uint32_t

3285

nfsrv_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

3296

uint32_t

3297

nfsrv_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

3308

void

3309

nfsrv_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

3328

}

3329

}

3330

3331

extern int (*nfsd_call_nfsd)(struct thread *, struct nfssvc_args *);

3332

3333

3334

* Called once to initialize data structures...

3335

3336

static int

3337

nfsd_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()do { uintptr_t _tid = (uintptr_t)((__curthread())); if ((((((
&newnfsd_mtx))))->mtx_lock != 0x00000004 || !atomic_cmpset_long
(&(((((&newnfsd_mtx)))))->mtx_lock, 0x00000004, (_tid
)))) __mtx_lock_sleep(&(((((&newnfsd_mtx)))))->mtx_lock
, _tid, (((0))), ((((void *)0))), ((0))); else do { (void)0; do
{ if (__builtin_expect((sdt_lockstat___adaptive__acquire->
id), 0)) (*sdt_probe_func)(sdt_lockstat___adaptive__acquire->
id, (uintptr_t) (((&newnfsd_mtx))), (uintptr_t) 0, (uintptr_t
) 0, (uintptr_t) 0, (uintptr_t) 0); } while (0); } while (0);
} while (0);

3360

nfsrvd_init(0);

3361

NFSD_UNLOCK()do { uintptr_t _tid = (uintptr_t)((__curthread())); if (((((&
newnfsd_mtx))))->lock_object.lo_data == 0) do { (void)0; do
{ if (__builtin_expect((sdt_lockstat___adaptive__release->
id), 0)) (*sdt_probe_func)(sdt_lockstat___adaptive__release->
id, (uintptr_t) (((&newnfsd_mtx))), (uintptr_t) 0, (uintptr_t
) 0, (uintptr_t) 0, (uintptr_t) 0); } while (0); } while (0);
if (((((&newnfsd_mtx))))->mtx_lock != _tid || !atomic_cmpset_long
(&(((((&newnfsd_mtx)))))->mtx_lock, (_tid), 0x00000004
)) __mtx_unlock_sleep(&(((((&newnfsd_mtx)))))->mtx_lock
, (((0))), ((((void *)0))), ((0))); } while (0);

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

3416

out:

3417

NFSEXITCODE(error);

3418

return (error);

3419

}

3420

static moduledata_t nfsd_mod = {

3421

"nfsd",

3422

nfsd_modevent,

3423

NULL((void *)0),

3424

};

3425

DECLARE_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.. */

3428

MODULE_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);

3429

MODULE_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);

3430

MODULE_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);

3431

MODULE_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);

3432

MODULE_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);

3433

MODULE_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