/usr/src/sys/nfs/nfs

Bug Summary

File:	nfs/nfs_subs.c
Warning:	line 1336, column 11 Dereference of null pointer
Annotated Source Code

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clang -cc1 -cc1 -triple amd64-unknown-openbsd7.4 -analyze -disable-free -clear-ast-before-backend -disable-llvm-verifier -discard-value-names -main-file-name nfs_subs.c -analyzer-checker=core -analyzer-checker=apiModeling -analyzer-checker=unix -analyzer-checker=deadcode -analyzer-checker=security.insecureAPI.UncheckedReturn -analyzer-checker=security.insecureAPI.getpw -analyzer-checker=security.insecureAPI.gets -analyzer-checker=security.insecureAPI.mktemp -analyzer-checker=security.insecureAPI.mkstemp -analyzer-checker=security.insecureAPI.vfork -analyzer-checker=nullability.NullPassedToNonnull -analyzer-checker=nullability.NullReturnedFromNonnull -analyzer-output plist -w -setup-static-analyzer -mrelocation-model static -mframe-pointer=all -relaxed-aliasing -ffp-contract=on -fno-rounding-math -mconstructor-aliases -ffreestanding -mcmodel=kernel -target-cpu x86-64 -target-feature +retpoline-indirect-calls -target-feature +retpoline-indirect-branches -target-feature -sse2 -target-feature -sse -target-feature -3dnow -target-feature -mmx -target-feature +save-args -target-feature +retpoline-external-thunk -disable-red-zone -no-implicit-float -tune-cpu generic -debugger-tuning=gdb -fcoverage-compilation-dir=/usr/src/sys/arch/amd64/compile/GENERIC.MP/obj -nostdsysteminc -nobuiltininc -resource-dir /usr/local/llvm16/lib/clang/16 -I /usr/src/sys -I /usr/src/sys/arch/amd64/compile/GENERIC.MP/obj -I /usr/src/sys/arch -I /usr/src/sys/dev/pci/drm/include -I /usr/src/sys/dev/pci/drm/include/uapi -I /usr/src/sys/dev/pci/drm/amd/include/asic_reg -I /usr/src/sys/dev/pci/drm/amd/include -I /usr/src/sys/dev/pci/drm/amd/amdgpu -I /usr/src/sys/dev/pci/drm/amd/display -I /usr/src/sys/dev/pci/drm/amd/display/include -I /usr/src/sys/dev/pci/drm/amd/display/dc -I /usr/src/sys/dev/pci/drm/amd/display/amdgpu_dm -I /usr/src/sys/dev/pci/drm/amd/pm/inc -I /usr/src/sys/dev/pci/drm/amd/pm/legacy-dpm -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/inc -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/smu11 -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/smu12 -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/smu13 -I /usr/src/sys/dev/pci/drm/amd/pm/powerplay/inc -I /usr/src/sys/dev/pci/drm/amd/pm/powerplay/hwmgr -I /usr/src/sys/dev/pci/drm/amd/pm/powerplay/smumgr -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/inc -I /usr/src/sys/dev/pci/drm/amd/pm/swsmu/inc/pmfw_if -I /usr/src/sys/dev/pci/drm/amd/display/dc/inc -I /usr/src/sys/dev/pci/drm/amd/display/dc/inc/hw -I /usr/src/sys/dev/pci/drm/amd/display/dc/clk_mgr -I /usr/src/sys/dev/pci/drm/amd/display/modules/inc -I /usr/src/sys/dev/pci/drm/amd/display/modules/hdcp -I /usr/src/sys/dev/pci/drm/amd/display/dmub/inc -I /usr/src/sys/dev/pci/drm/i915 -D DDB -D DIAGNOSTIC -D KTRACE -D ACCOUNTING -D KMEMSTATS -D PTRACE -D POOL_DEBUG -D CRYPTO -D SYSVMSG -D SYSVSEM -D SYSVSHM -D UVM_SWAP_ENCRYPT -D FFS -D FFS2 -D FFS_SOFTUPDATES -D UFS_DIRHASH -D QUOTA -D EXT2FS -D MFS -D NFSCLIENT -D NFSSERVER -D CD9660 -D UDF -D MSDOSFS -D FIFO -D FUSE -D SOCKET_SPLICE -D TCP_ECN -D TCP_SIGNATURE -D INET6 -D IPSEC -D PPP_BSDCOMP -D PPP_DEFLATE -D PIPEX -D MROUTING -D MPLS -D BOOT_CONFIG -D USER_PCICONF -D APERTURE -D MTRR -D NTFS -D SUSPEND -D HIBERNATE -D PCIVERBOSE -D USBVERBOSE -D WSDISPLAY_COMPAT_USL -D WSDISPLAY_COMPAT_RAWKBD -D WSDISPLAY_DEFAULTSCREENS=6 -D X86EMU -D ONEWIREVERBOSE -D MULTIPROCESSOR -D MAXUSERS=80 -D _KERNEL -O2 -Wno-pointer-sign -Wno-address-of-packed-member -Wno-constant-conversion -Wno-unused-but-set-variable -Wno-gnu-folding-constant -fdebug-compilation-dir=/usr/src/sys/arch/amd64/compile/GENERIC.MP/obj -ferror-limit 19 -fwrapv -D_RET_PROTECTOR -ret-protector -fcf-protection=branch -fgnuc-version=4.2.1 -vectorize-loops -vectorize-slp -fno-builtin-malloc -fno-builtin-calloc -fno-builtin-realloc -fno-builtin-valloc -fno-builtin-free -fno-builtin-strdup -fno-builtin-strndup -analyzer-output=html -faddrsig -o /home/ben/Projects/scan/2024-01-11-110808-61670-1 -x c /usr/src/sys/nfs/nfs_subs.c
1/*	$OpenBSD: nfs_subs.c,v 1.146 2022/01/12 20:17:08 mbuhl Exp $	*/
2/*	$NetBSD: nfs_subs.c,v 1.27.4.3 1996/07/08 20:34:24 jtc Exp $	*/
3 
4/*
5 * Copyright (c) 1989, 1993
6 *	The Regents of the University of California.  All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * Rick Macklem at The University of Guelph.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 3. Neither the name of the University nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 *
35 *	@(#)nfs_subs.c	8.8 (Berkeley) 5/22/95
36 */
37 
38 
39/*
40 * These functions support the macros and help fiddle mbuf chains for
41 * the nfs op functions. They do things like create the rpc header and
42 * copy data between mbuf chains and uio lists.
43 */
44#include <sys/param.h>
45#include <sys/systm.h>
46#include <sys/kernel.h>
47#include <sys/mount.h>
48#include <sys/vnode.h>
49#include <sys/namei.h>
50#include <sys/mbuf.h>
51#include <sys/socket.h>
52#include <sys/socketvar.h>
53#include <sys/stat.h>
54#include <sys/pool.h>
55#include <sys/time.h>
56 
57#include <nfs/rpcv2.h>
58#include <nfs/nfsproto.h>
59#include <nfs/nfsnode.h>
60#include <nfs/nfs.h>
61#include <nfs/xdr_subs.h>
62#include <nfs/nfsm_subs.h>
63#include <nfs/nfsmount.h>
64#include <nfs/nfs_var.h>
65 
66#include <uvm/uvm_extern.h>
67 
68#include <netinet/in.h>
69 
70#include <crypto/idgen.h>
71 
72int	nfs_attrtimeo(struct nfsnode *np);
73u_int32_t nfs_get_xid(void);
74 
75/*
76 * Data items converted to xdr at startup, since they are constant
77 * This is kinda hokey, but may save a little time doing byte swaps
78 */
79u_int32_t nfs_xdrneg1;
80u_int32_t rpc_call, rpc_vers, rpc_reply, rpc_msgdenied, rpc_autherr,
81	rpc_mismatch, rpc_auth_unix, rpc_msgaccepted;
82u_int32_t nfs_prog, nfs_true, nfs_false;
83 
84/* And other global data */
85nfstype nfsv2_type[9] = { NFNON, NFREG, NFDIR, NFBLK, NFCHR, NFLNK, NFNON,
86		      NFCHR, NFNON };
87nfstype nfsv3_type[9] = { NFNON, NFREG, NFDIR, NFBLK, NFCHR, NFLNK, NFSOCK,
88		      NFFIFO, NFNON };
89enum vtype nv2tov_type[8] = { VNON, VREG, VDIR, VBLK, VCHR, VLNK, VNON, VNON };
90enum vtype nv3tov_type[8]={ VNON, VREG, VDIR, VBLK, VCHR, VLNK, VSOCK, VFIFO };
91int nfs_ticks;
92struct nfsstats nfsstats;
93 
94/*
95 * Mapping of old NFS Version 2 RPC numbers to generic numbers.
96 */
97int nfsv3_procid[NFS_NPROCS23] = {
98	NFSPROC_NULL0,
99	NFSPROC_GETATTR1,
100	NFSPROC_SETATTR2,
101	NFSPROC_NOOP22,
102	NFSPROC_LOOKUP3,
103	NFSPROC_READLINK5,
104	NFSPROC_READ6,
105	NFSPROC_NOOP22,
106	NFSPROC_WRITE7,
107	NFSPROC_CREATE8,
108	NFSPROC_REMOVE12,
109	NFSPROC_RENAME14,
110	NFSPROC_LINK15,
111	NFSPROC_SYMLINK10,
112	NFSPROC_MKDIR9,
113	NFSPROC_RMDIR13,
114	NFSPROC_READDIR16,
115	NFSPROC_FSSTAT18,
116	NFSPROC_NOOP22,
117	NFSPROC_NOOP22,
118	NFSPROC_NOOP22,
119	NFSPROC_NOOP22,
120	NFSPROC_NOOP22
121};
122 
123/*
124 * and the reverse mapping from generic to Version 2 procedure numbers
125 */
126int nfsv2_procid[NFS_NPROCS23] = {
127	NFSV2PROC_NULL0,
128	NFSV2PROC_GETATTR1,
129	NFSV2PROC_SETATTR2,
130	NFSV2PROC_LOOKUP4,
131	NFSV2PROC_NOOP3,
132	NFSV2PROC_READLINK5,
133	NFSV2PROC_READ6,
134	NFSV2PROC_WRITE8,
135	NFSV2PROC_CREATE9,
136	NFSV2PROC_MKDIR14,
137	NFSV2PROC_SYMLINK13,
138	NFSV2PROC_CREATE9,
139	NFSV2PROC_REMOVE10,
140	NFSV2PROC_RMDIR15,
141	NFSV2PROC_RENAME11,
142	NFSV2PROC_LINK12,
143	NFSV2PROC_READDIR16,
144	NFSV2PROC_NOOP3,
145	NFSV2PROC_STATFS17,
146	NFSV2PROC_NOOP3,
147	NFSV2PROC_NOOP3,
148	NFSV2PROC_NOOP3,
149	NFSV2PROC_NOOP3
150};
151 
152/*
153 * Maps errno values to nfs error numbers.
154 * Use NFSERR_IO as the catch all for ones not specifically defined in
155 * RFC 1094.
156 */
157static u_char nfsrv_v2errmap[] = {
158  NFSERR_PERM1,	NFSERR_NOENT2,	NFSERR_IO5,	NFSERR_IO5,	NFSERR_IO5,
159  NFSERR_NXIO6,	NFSERR_IO5,	NFSERR_IO5,	NFSERR_IO5,	NFSERR_IO5,
160  NFSERR_IO5,	NFSERR_IO5,	NFSERR_ACCES13,	NFSERR_IO5,	NFSERR_IO5,
161  NFSERR_IO5,	NFSERR_EXIST17,	NFSERR_IO5,	NFSERR_NODEV19,	NFSERR_NOTDIR20,
162  NFSERR_ISDIR21,	NFSERR_IO5,	NFSERR_IO5,	NFSERR_IO5,	NFSERR_IO5,
163  NFSERR_IO5,	NFSERR_FBIG27,	NFSERR_NOSPC28,	NFSERR_IO5,	NFSERR_ROFS30,
164  NFSERR_IO5,	NFSERR_IO5,	NFSERR_IO5,	NFSERR_IO5,	NFSERR_IO5,
165  NFSERR_IO5,	NFSERR_IO5,	NFSERR_IO5,	NFSERR_IO5,	NFSERR_IO5,
166  NFSERR_IO5,	NFSERR_IO5,	NFSERR_IO5,	NFSERR_IO5,	NFSERR_IO5,
167  NFSERR_IO5,	NFSERR_IO5,	NFSERR_IO5,	NFSERR_IO5,	NFSERR_IO5,
168  NFSERR_IO5,	NFSERR_IO5,	NFSERR_IO5,	NFSERR_IO5,	NFSERR_IO5,
169  NFSERR_IO5,	NFSERR_IO5,	NFSERR_IO5,	NFSERR_IO5,	NFSERR_IO5,
170  NFSERR_IO5,	NFSERR_IO5,	NFSERR_NAMETOL63,	NFSERR_IO5,	NFSERR_IO5,
171  NFSERR_NOTEMPTY66, NFSERR_IO5,	NFSERR_IO5,	NFSERR_DQUOT69,	NFSERR_STALE70
172  /* Everything after this maps to NFSERR_IO, so far */
173};
174 
175/*
176 * Maps errno values to nfs error numbers.
177 * Although it is not obvious whether or not NFS clients really care if
178 * a returned error value is in the specified list for the procedure, the
179 * safest thing to do is filter them appropriately. For Version 2, the
180 * X/Open XNFS document is the only specification that defines error values
181 * for each RPC (The RFC simply lists all possible error values for all RPCs),
182 * so I have decided to not do this for Version 2.
183 * The first entry is the default error return and the rest are the valid
184 * errors for that RPC in increasing numeric order.
185 */
186static short nfsv3err_null[] = {
187	0,
188	0,
189};
190 
191static short nfsv3err_getattr[] = {
192	NFSERR_IO5,
193	NFSERR_IO5,
194	NFSERR_STALE70,
195	NFSERR_BADHANDLE10001,
196	NFSERR_SERVERFAULT10006,
197	0,
198};
199 
200static short nfsv3err_setattr[] = {
201	NFSERR_IO5,
202	NFSERR_PERM1,
203	NFSERR_IO5,
204	NFSERR_ACCES13,
205	NFSERR_INVAL22,
206	NFSERR_NOSPC28,
207	NFSERR_ROFS30,
208	NFSERR_DQUOT69,
209	NFSERR_STALE70,
210	NFSERR_BADHANDLE10001,
211	NFSERR_NOT_SYNC10002,
212	NFSERR_SERVERFAULT10006,
213	0,
214};
215 
216static short nfsv3err_lookup[] = {
217	NFSERR_IO5,
218	NFSERR_NOENT2,
219	NFSERR_IO5,
220	NFSERR_ACCES13,
221	NFSERR_NOTDIR20,
222	NFSERR_NAMETOL63,
223	NFSERR_STALE70,
224	NFSERR_BADHANDLE10001,
225	NFSERR_SERVERFAULT10006,
226	0,
227};
228 
229static short nfsv3err_access[] = {
230	NFSERR_IO5,
231	NFSERR_IO5,
232	NFSERR_STALE70,
233	NFSERR_BADHANDLE10001,
234	NFSERR_SERVERFAULT10006,
235	0,
236};
237 
238static short nfsv3err_readlink[] = {
239	NFSERR_IO5,
240	NFSERR_IO5,
241	NFSERR_ACCES13,
242	NFSERR_INVAL22,
243	NFSERR_STALE70,
244	NFSERR_BADHANDLE10001,
245	NFSERR_NOTSUPP10004,
246	NFSERR_SERVERFAULT10006,
247	0,
248};
249 
250static short nfsv3err_read[] = {
251	NFSERR_IO5,
252	NFSERR_IO5,
253	NFSERR_NXIO6,
254	NFSERR_ACCES13,
255	NFSERR_INVAL22,
256	NFSERR_STALE70,
257	NFSERR_BADHANDLE10001,
258	NFSERR_SERVERFAULT10006,
259	0,
260};
261 
262static short nfsv3err_write[] = {
263	NFSERR_IO5,
264	NFSERR_IO5,
265	NFSERR_ACCES13,
266	NFSERR_INVAL22,
267	NFSERR_FBIG27,
268	NFSERR_NOSPC28,
269	NFSERR_ROFS30,
270	NFSERR_DQUOT69,
271	NFSERR_STALE70,
272	NFSERR_BADHANDLE10001,
273	NFSERR_SERVERFAULT10006,
274	0,
275};
276 
277static short nfsv3err_create[] = {
278	NFSERR_IO5,
279	NFSERR_IO5,
280	NFSERR_ACCES13,
281	NFSERR_EXIST17,
282	NFSERR_NOTDIR20,
283	NFSERR_NOSPC28,
284	NFSERR_ROFS30,
285	NFSERR_NAMETOL63,
286	NFSERR_DQUOT69,
287	NFSERR_STALE70,
288	NFSERR_BADHANDLE10001,
289	NFSERR_NOTSUPP10004,
290	NFSERR_SERVERFAULT10006,
291	0,
292};
293 
294static short nfsv3err_mkdir[] = {
295	NFSERR_IO5,
296	NFSERR_IO5,
297	NFSERR_ACCES13,
298	NFSERR_EXIST17,
299	NFSERR_NOTDIR20,
300	NFSERR_NOSPC28,
301	NFSERR_ROFS30,
302	NFSERR_NAMETOL63,
303	NFSERR_DQUOT69,
304	NFSERR_STALE70,
305	NFSERR_BADHANDLE10001,
306	NFSERR_NOTSUPP10004,
307	NFSERR_SERVERFAULT10006,
308	0,
309};
310 
311static short nfsv3err_symlink[] = {
312	NFSERR_IO5,
313	NFSERR_IO5,
314	NFSERR_ACCES13,
315	NFSERR_EXIST17,
316	NFSERR_NOTDIR20,
317	NFSERR_NOSPC28,
318	NFSERR_ROFS30,
319	NFSERR_NAMETOL63,
320	NFSERR_DQUOT69,
321	NFSERR_STALE70,
322	NFSERR_BADHANDLE10001,
323	NFSERR_NOTSUPP10004,
324	NFSERR_SERVERFAULT10006,
325	0,
326};
327 
328static short nfsv3err_mknod[] = {
329	NFSERR_IO5,
330	NFSERR_IO5,
331	NFSERR_ACCES13,
332	NFSERR_EXIST17,
333	NFSERR_NOTDIR20,
334	NFSERR_NOSPC28,
335	NFSERR_ROFS30,
336	NFSERR_NAMETOL63,
337	NFSERR_DQUOT69,
338	NFSERR_STALE70,
339	NFSERR_BADHANDLE10001,
340	NFSERR_NOTSUPP10004,
341	NFSERR_SERVERFAULT10006,
342	NFSERR_BADTYPE10007,
343	0,
344};
345 
346static short nfsv3err_remove[] = {
347	NFSERR_IO5,
348	NFSERR_NOENT2,
349	NFSERR_IO5,
350	NFSERR_ACCES13,
351	NFSERR_NOTDIR20,
352	NFSERR_ROFS30,
353	NFSERR_NAMETOL63,
354	NFSERR_STALE70,
355	NFSERR_BADHANDLE10001,
356	NFSERR_SERVERFAULT10006,
357	0,
358};
359 
360static short nfsv3err_rmdir[] = {
361	NFSERR_IO5,
362	NFSERR_NOENT2,
363	NFSERR_IO5,
364	NFSERR_ACCES13,
365	NFSERR_EXIST17,
366	NFSERR_NOTDIR20,
367	NFSERR_INVAL22,
368	NFSERR_ROFS30,
369	NFSERR_NAMETOL63,
370	NFSERR_NOTEMPTY66,
371	NFSERR_STALE70,
372	NFSERR_BADHANDLE10001,
373	NFSERR_NOTSUPP10004,
374	NFSERR_SERVERFAULT10006,
375	0,
376};
377 
378static short nfsv3err_rename[] = {
379	NFSERR_IO5,
380	NFSERR_NOENT2,
381	NFSERR_IO5,
382	NFSERR_ACCES13,
383	NFSERR_EXIST17,
384	NFSERR_XDEV18,
385	NFSERR_NOTDIR20,
386	NFSERR_ISDIR21,
387	NFSERR_INVAL22,
388	NFSERR_NOSPC28,
389	NFSERR_ROFS30,
390	NFSERR_MLINK31,
391	NFSERR_NAMETOL63,
392	NFSERR_NOTEMPTY66,
393	NFSERR_DQUOT69,
394	NFSERR_STALE70,
395	NFSERR_BADHANDLE10001,
396	NFSERR_NOTSUPP10004,
397	NFSERR_SERVERFAULT10006,
398	0,
399};
400 
401static short nfsv3err_link[] = {
402	NFSERR_IO5,
403	NFSERR_IO5,
404	NFSERR_ACCES13,
405	NFSERR_EXIST17,
406	NFSERR_XDEV18,
407	NFSERR_NOTDIR20,
408	NFSERR_INVAL22,
409	NFSERR_NOSPC28,
410	NFSERR_ROFS30,
411	NFSERR_MLINK31,
412	NFSERR_NAMETOL63,
413	NFSERR_DQUOT69,
414	NFSERR_STALE70,
415	NFSERR_BADHANDLE10001,
416	NFSERR_NOTSUPP10004,
417	NFSERR_SERVERFAULT10006,
418	0,
419};
420 
421static short nfsv3err_readdir[] = {
422	NFSERR_IO5,
423	NFSERR_IO5,
424	NFSERR_ACCES13,
425	NFSERR_NOTDIR20,
426	NFSERR_STALE70,
427	NFSERR_BADHANDLE10001,
428	NFSERR_BAD_COOKIE10003,
429	NFSERR_TOOSMALL10005,
430	NFSERR_SERVERFAULT10006,
431	0,
432};
433 
434static short nfsv3err_readdirplus[] = {
435	NFSERR_IO5,
436	NFSERR_IO5,
437	NFSERR_ACCES13,
438	NFSERR_NOTDIR20,
439	NFSERR_STALE70,
440	NFSERR_BADHANDLE10001,
441	NFSERR_BAD_COOKIE10003,
442	NFSERR_NOTSUPP10004,
443	NFSERR_TOOSMALL10005,
444	NFSERR_SERVERFAULT10006,
445	0,
446};
447 
448static short nfsv3err_fsstat[] = {
449	NFSERR_IO5,
450	NFSERR_IO5,
451	NFSERR_STALE70,
452	NFSERR_BADHANDLE10001,
453	NFSERR_SERVERFAULT10006,
454	0,
455};
456 
457static short nfsv3err_fsinfo[] = {
458	NFSERR_STALE70,
459	NFSERR_STALE70,
460	NFSERR_BADHANDLE10001,
461	NFSERR_SERVERFAULT10006,
462	0,
463};
464 
465static short nfsv3err_pathconf[] = {
466	NFSERR_STALE70,
467	NFSERR_STALE70,
468	NFSERR_BADHANDLE10001,
469	NFSERR_SERVERFAULT10006,
470	0,
471};
472 
473static short nfsv3err_commit[] = {
474	NFSERR_IO5,
475	NFSERR_IO5,
476	NFSERR_STALE70,
477	NFSERR_BADHANDLE10001,
478	NFSERR_SERVERFAULT10006,
479	0,
480};
481 
482static short *nfsrv_v3errmap[] = {
483	nfsv3err_null,
484	nfsv3err_getattr,
485	nfsv3err_setattr,
486	nfsv3err_lookup,
487	nfsv3err_access,
488	nfsv3err_readlink,
489	nfsv3err_read,
490	nfsv3err_write,
491	nfsv3err_create,
492	nfsv3err_mkdir,
493	nfsv3err_symlink,
494	nfsv3err_mknod,
495	nfsv3err_remove,
496	nfsv3err_rmdir,
497	nfsv3err_rename,
498	nfsv3err_link,
499	nfsv3err_readdir,
500	nfsv3err_readdirplus,
501	nfsv3err_fsstat,
502	nfsv3err_fsinfo,
503	nfsv3err_pathconf,
504	nfsv3err_commit,
505};
506 
507struct pool nfsreqpl;
508 
509/*
510 * Create the header for an rpc request packet
511 * The hsiz is the size of the rest of the nfs request header.
512 * (just used to decide if a cluster is a good idea)
513 */
514struct mbuf *
515nfsm_reqhead(int hsiz)
516{
517	struct mbuf *mb;
518 
519	MGET(mb, M_WAIT, MT_DATA)mb = m_get((0x0001), (1));
520	if (hsiz > MLEN(256 - sizeof(struct m_hdr)))
521		MCLGET(mb, M_WAIT)(void) m_clget((mb), (0x0001), (1 << 11));
522	mb->m_lenm_hdr.mh_len = 0;
523	
524	/* Finally, return values */
525	return (mb);
526}
527 
528/*
529 * Return an unpredictable XID in XDR form.
530 */
531u_int32_t
532nfs_get_xid(void)
533{
534	static struct idgen32_ctx nfs_xid_ctx;
535	static int called = 0;
536 
537	if (!called) {
538		called = 1;
539		idgen32_init(&nfs_xid_ctx);
540	}
541	return (txdr_unsigned(idgen32(&nfs_xid_ctx))((__uint32_t)(__builtin_constant_p((int32_t)(idgen32(&nfs_xid_ctx
))) ? (__uint32_t)(((__uint32_t)((int32_t)(idgen32(&nfs_xid_ctx
))) & 0xff) << 24 | ((__uint32_t)((int32_t)(idgen32
(&nfs_xid_ctx))) & 0xff00) << 8 | ((__uint32_t)
((int32_t)(idgen32(&nfs_xid_ctx))) & 0xff0000) >>
 8 | ((__uint32_t)((int32_t)(idgen32(&nfs_xid_ctx))) &
 0xff000000) >> 24) : __swap32md((int32_t)(idgen32(&
nfs_xid_ctx))))));
542}
543 
544/*
545 * Build the RPC header and fill in the authorization info.
546 * Right now we are pretty centric around RPCAUTH_UNIX, in the
547 * future, this function will need some love to be able to handle
548 * other authorization methods, such as Kerberos.
549 */
550void
551nfsm_rpchead(struct nfsreq *req, struct ucred *cr, int auth_type)
552{
553	struct mbuf	*mb;
554	u_int32_t	*tl;
555	int		i, authsiz, auth_len, ngroups;
556 
557	KASSERT(auth_type == RPCAUTH_UNIX)((auth_type == 1) ? (void)0 : __assert("diagnostic ", "/usr/src/sys/nfs/nfs_subs.c"
, 557, "auth_type == RPCAUTH_UNIX"));
558 
559	/*
560	 * RPCAUTH_UNIX fits in an hdr mbuf, in the future other
561	 * authorization methods need to figure out their own sizes
562	 * and allocate and chain mbufs accordingly.
563	 */
564	mb = req->r_mreq;
565 
566	/*
567	 * We need to start out by finding how big the authorization cred
568	 * and verifer are for the auth_type, to be able to correctly
569	 * align the mbuf header/chain.
570	 */
571	switch (auth_type) {
572	case RPCAUTH_UNIX1:
573		/*
574		 * In the RPCAUTH_UNIX case, the size is the static
575		 * part as shown in RFC1831 + the number of groups,
576		 * RPCAUTH_UNIX has a zero verifer.
577		 */
578		if (cr->cr_ngroups > req->r_nmp->nm_numgrps)
579			ngroups = req->r_nmp->nm_numgrps;
580		else
581			ngroups = cr->cr_ngroups;
582 
583		auth_len = (ngroups << 2) + 5 * NFSX_UNSIGNED4;
584		authsiz = nfsm_rndup(auth_len)(((auth_len)+3)&(~0x3));
585		/* The authorization size + the size of the static part */
586		m_align(mb, authsiz + 10 * NFSX_UNSIGNED4);
587		break;
588	}
589 
590	mb->m_lenm_hdr.mh_len = 0;
591 
592	/* First the RPC header. */
593	tl = nfsm_build(&mb, 6 * NFSX_UNSIGNED4);
594 
595	/* Get a new (non-zero) xid */
596	*tl++ = req->r_xid = nfs_get_xid();
597	*tl++ = rpc_call;
598	*tl++ = rpc_vers;
599	*tl++ = nfs_prog;
600	if (ISSET(req->r_nmp->nm_flag, NFSMNT_NFSV3)((req->r_nmp->nm_flag) & (0x00000200))) {
601		*tl++ = txdr_unsigned(NFS_VER3)((__uint32_t)(__builtin_constant_p((int32_t)(3)) ? (__uint32_t
)(((__uint32_t)((int32_t)(3)) & 0xff) << 24 | ((__uint32_t
)((int32_t)(3)) & 0xff00) << 8 | ((__uint32_t)((int32_t
)(3)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(3)
) & 0xff000000) >> 24) : __swap32md((int32_t)(3))));
602		*tl = txdr_unsigned(req->r_procnum)((__uint32_t)(__builtin_constant_p((int32_t)(req->r_procnum
)) ? (__uint32_t)(((__uint32_t)((int32_t)(req->r_procnum))
 & 0xff) << 24 | ((__uint32_t)((int32_t)(req->r_procnum
)) & 0xff00) << 8 | ((__uint32_t)((int32_t)(req->
r_procnum)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t
)(req->r_procnum)) & 0xff000000) >> 24) : __swap32md
((int32_t)(req->r_procnum))));
603	} else {
604		*tl++ = txdr_unsigned(NFS_VER2)((__uint32_t)(__builtin_constant_p((int32_t)(2)) ? (__uint32_t
)(((__uint32_t)((int32_t)(2)) & 0xff) << 24 | ((__uint32_t
)((int32_t)(2)) & 0xff00) << 8 | ((__uint32_t)((int32_t
)(2)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(2)
) & 0xff000000) >> 24) : __swap32md((int32_t)(2))));
605		*tl = txdr_unsigned(nfsv2_procid[req->r_procnum])((__uint32_t)(__builtin_constant_p((int32_t)(nfsv2_procid[req
->r_procnum])) ? (__uint32_t)(((__uint32_t)((int32_t)(nfsv2_procid
[req->r_procnum])) & 0xff) << 24 | ((__uint32_t)
((int32_t)(nfsv2_procid[req->r_procnum])) & 0xff00) <<
 8 | ((__uint32_t)((int32_t)(nfsv2_procid[req->r_procnum])
) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(nfsv2_procid
[req->r_procnum])) & 0xff000000) >> 24) : __swap32md
((int32_t)(nfsv2_procid[req->r_procnum]))));
606	}
607 
608	/* The Authorization cred and its verifier */
609	switch (auth_type) {
610	case RPCAUTH_UNIX1:
611		tl = nfsm_build(&mb, auth_len + 4 * NFSX_UNSIGNED4);
612		*tl++ = txdr_unsigned(RPCAUTH_UNIX)((__uint32_t)(__builtin_constant_p((int32_t)(1)) ? (__uint32_t
)(((__uint32_t)((int32_t)(1)) & 0xff) << 24 | ((__uint32_t
)((int32_t)(1)) & 0xff00) << 8 | ((__uint32_t)((int32_t
)(1)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(1)
) & 0xff000000) >> 24) : __swap32md((int32_t)(1))));
613		*tl++ = txdr_unsigned(authsiz)((__uint32_t)(__builtin_constant_p((int32_t)(authsiz)) ? (__uint32_t
)(((__uint32_t)((int32_t)(authsiz)) & 0xff) << 24 |
 ((__uint32_t)((int32_t)(authsiz)) & 0xff00) << 8 |
 ((__uint32_t)((int32_t)(authsiz)) & 0xff0000) >> 8
 | ((__uint32_t)((int32_t)(authsiz)) & 0xff000000) >>
 24) : __swap32md((int32_t)(authsiz))));
614 
615		/* The authorization cred */
616		*tl++ = 0;		/* stamp */
617		*tl++ = 0;		/* NULL hostname */
618		*tl++ = txdr_unsigned(cr->cr_uid)((__uint32_t)(__builtin_constant_p((int32_t)(cr->cr_uid)) ?
 (__uint32_t)(((__uint32_t)((int32_t)(cr->cr_uid)) & 0xff
) << 24 | ((__uint32_t)((int32_t)(cr->cr_uid)) &
 0xff00) << 8 | ((__uint32_t)((int32_t)(cr->cr_uid))
 & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(cr->
cr_uid)) & 0xff000000) >> 24) : __swap32md((int32_t
)(cr->cr_uid))));
619		*tl++ = txdr_unsigned(cr->cr_gid)((__uint32_t)(__builtin_constant_p((int32_t)(cr->cr_gid)) ?
 (__uint32_t)(((__uint32_t)((int32_t)(cr->cr_gid)) & 0xff
) << 24 | ((__uint32_t)((int32_t)(cr->cr_gid)) &
 0xff00) << 8 | ((__uint32_t)((int32_t)(cr->cr_gid))
 & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(cr->
cr_gid)) & 0xff000000) >> 24) : __swap32md((int32_t
)(cr->cr_gid))));
620		*tl++ = txdr_unsigned(ngroups)((__uint32_t)(__builtin_constant_p((int32_t)(ngroups)) ? (__uint32_t
)(((__uint32_t)((int32_t)(ngroups)) & 0xff) << 24 |
 ((__uint32_t)((int32_t)(ngroups)) & 0xff00) << 8 |
 ((__uint32_t)((int32_t)(ngroups)) & 0xff0000) >> 8
 | ((__uint32_t)((int32_t)(ngroups)) & 0xff000000) >>
 24) : __swap32md((int32_t)(ngroups))));
621		for (i = 0; i < ngroups; i++)
622			*tl++ = txdr_unsigned(cr->cr_groups[i])((__uint32_t)(__builtin_constant_p((int32_t)(cr->cr_groups
[i])) ? (__uint32_t)(((__uint32_t)((int32_t)(cr->cr_groups
[i])) & 0xff) << 24 | ((__uint32_t)((int32_t)(cr->
cr_groups[i])) & 0xff00) << 8 | ((__uint32_t)((int32_t
)(cr->cr_groups[i])) & 0xff0000) >> 8 | ((__uint32_t
)((int32_t)(cr->cr_groups[i])) & 0xff000000) >> 24
) : __swap32md((int32_t)(cr->cr_groups[i]))));
623		/* The authorization verifier */
624		*tl++ = txdr_unsigned(RPCAUTH_NULL)((__uint32_t)(__builtin_constant_p((int32_t)(0)) ? (__uint32_t
)(((__uint32_t)((int32_t)(0)) & 0xff) << 24 | ((__uint32_t
)((int32_t)(0)) & 0xff00) << 8 | ((__uint32_t)((int32_t
)(0)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(0)
) & 0xff000000) >> 24) : __swap32md((int32_t)(0))));
625		*tl = 0;
626		break;
627	}
628 
629	mb->m_pkthdrM_dat.MH.MH_pkthdr.len += authsiz + 10 * NFSX_UNSIGNED4;
630	mb->m_pkthdrM_dat.MH.MH_pkthdr.ph_ifidx = 0;
631}
632 
633/*
634 * copies mbuf chain to the uio scatter/gather list
635 */
636int
637nfsm_mbuftouio(struct mbuf **mrep, struct uio *uiop, int siz, caddr_t *dpos)
638{
639	char *mbufcp, *uiocp;
640	int xfer, left, len;
641	struct mbuf *mp;
642	long uiosiz, rem;
643	int error = 0;
644 
645	mp = *mrep;
646	mbufcp = *dpos;
647	len = mtod(mp, caddr_t)((caddr_t)((mp)->m_hdr.mh_data))+mp->m_lenm_hdr.mh_len-mbufcp;
648	rem = nfsm_padlen(siz)((((siz)+3)&(~0x3)) - (siz));
649	while (siz > 0) {
650		if (uiop->uio_iovcnt <= 0 || uiop->uio_iov == NULL((void *)0))
651			return (EFBIG27);
652		left = uiop->uio_iov->iov_len;
653		uiocp = uiop->uio_iov->iov_base;
654		if (left > siz)
655			left = siz;
656		uiosiz = left;
657		while (left > 0) {
658			while (len == 0) {
659				mp = mp->m_nextm_hdr.mh_next;
660				if (mp == NULL((void *)0))
661					return (EBADRPC72);
662				mbufcp = mtod(mp, caddr_t)((caddr_t)((mp)->m_hdr.mh_data));
663				len = mp->m_lenm_hdr.mh_len;
664			}
665			xfer = (left > len) ? len : left;
666			if (uiop->uio_segflg == UIO_SYSSPACE)
667				memcpy(uiocp, mbufcp, xfer)__builtin_memcpy((uiocp), (mbufcp), (xfer));
668			else
669				copyout(mbufcp, uiocp, xfer);
670			left -= xfer;
671			len -= xfer;
672			mbufcp += xfer;
673			uiocp += xfer;
674			uiop->uio_offset += xfer;
675			uiop->uio_resid -= xfer;
676		}
677		if (uiop->uio_iov->iov_len <= siz) {
678			uiop->uio_iovcnt--;
679			uiop->uio_iov++;
680		} else {
681			uiop->uio_iov->iov_base =
682			    (char *)uiop->uio_iov->iov_base + uiosiz;
683			uiop->uio_iov->iov_len -= uiosiz;
684		}
685		siz -= uiosiz;
686	}
687	*dpos = mbufcp;
688	*mrep = mp;
689	if (rem > 0) {
690		if (len < rem)
691			error = nfs_adv(mrep, dpos, rem, len);
692		else
693			*dpos += rem;
694	}
695	return (error);
696}
697 
698/*
699 * Copy a uio scatter/gather list to an mbuf chain.
700 */
701void
702nfsm_uiotombuf(struct mbuf **mp, struct uio *uiop, size_t len)
703{
704	struct mbuf *mb, *mb2;
705	size_t xfer, pad;
706 
707	mb = *mp;
708 
709	pad = nfsm_padlen(len)((((len)+3)&(~0x3)) - (len));
710 
711	/* XXX -- the following should be done by the caller */
712	uiop->uio_resid = len;
713	uiop->uio_rw = UIO_WRITE;
714 
715	while (len) {
716		xfer = ulmin(len, m_trailingspace(mb));
717		uiomove(mb_offset(mb)(((caddr_t)(((mb))->m_hdr.mh_data)) + (mb)->m_hdr.mh_len
), xfer, uiop);
718		mb->m_lenm_hdr.mh_len += xfer;
719		len -= xfer;
720		if (len > 0) {
721			MGET(mb2, M_WAIT, MT_DATA)mb2 = m_get((0x0001), (1));
722			if (len > MLEN(256 - sizeof(struct m_hdr)))
723				MCLGET(mb2, M_WAIT)(void) m_clget((mb2), (0x0001), (1 << 11));
724			mb2->m_lenm_hdr.mh_len = 0;
725			mb->m_nextm_hdr.mh_next = mb2;
726			mb = mb2;
727		}
728	}
729 
730	if (pad > 0) {
731		if (pad > m_trailingspace(mb)) {
732			MGET(mb2, M_WAIT, MT_DATA)mb2 = m_get((0x0001), (1));
733			mb2->m_lenm_hdr.mh_len = 0;
734			mb->m_nextm_hdr.mh_next = mb2;
735			mb = mb2;
736		}
737		memset(mb_offset(mb), 0, pad)__builtin_memset(((((caddr_t)(((mb))->m_hdr.mh_data)) + (mb
)->m_hdr.mh_len)), (0), (pad));
738		mb->m_lenm_hdr.mh_len += pad;
739	}
740 
741	*mp = mb;
742}
743 
744/*
745 * Copy a buffer to an mbuf chain
746 */
747void
748nfsm_buftombuf(struct mbuf **mp, void *buf, size_t len)
749{
750	struct iovec iov;
751	struct uio io;
752 
753	iov.iov_base = buf;
754	iov.iov_len = len;
755 
756	io.uio_iov = &iov;
757	io.uio_iovcnt = 1;
758	io.uio_resid = len;
759	io.uio_segflg = UIO_SYSSPACE;
760	io.uio_rw = UIO_WRITE;
761 
762	nfsm_uiotombuf(mp, &io, len);
763}
764 
765/*
766 * Copy a string to an mbuf chain
767 */
768void
769nfsm_strtombuf(struct mbuf **mp, void *str, size_t len)
770{
771	struct iovec iov[2];
772	struct uio io;
773	uint32_t strlen;
774 
775	strlen = txdr_unsigned(len)((__uint32_t)(__builtin_constant_p((int32_t)(len)) ? (__uint32_t
)(((__uint32_t)((int32_t)(len)) & 0xff) << 24 | ((__uint32_t
)((int32_t)(len)) & 0xff00) << 8 | ((__uint32_t)((int32_t
)(len)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(
len)) & 0xff000000) >> 24) : __swap32md((int32_t)(len
))));
776 
777	iov[0].iov_base = &strlen;
778	iov[0].iov_len = sizeof(uint32_t);
779	iov[1].iov_base = str;
780	iov[1].iov_len = len;
781 
782	io.uio_iov = iov;
783	io.uio_iovcnt = 2;
784	io.uio_resid = sizeof(uint32_t) + len;
785	io.uio_segflg = UIO_SYSSPACE;
786	io.uio_rw = UIO_WRITE;
787 
788	nfsm_uiotombuf(mp, &io, io.uio_resid);
789}
790 
791/*
792 * Help break down an mbuf chain by setting the first siz bytes contiguous
793 * pointed to by returned val.
794 * This is used by the macros nfsm_dissect and nfsm_dissecton for tough
795 * cases. (The macros use the vars. dpos and dpos2)
796 */
797int
798nfsm_disct(struct mbuf **mdp, caddr_t *dposp, int siz, int left, caddr_t *cp2)
799{
800	struct mbuf *mp, *mp2;
801	int siz2, xfer;
802	caddr_t p;
803 
804	mp = *mdp;
805	while (left == 0) {
806		*mdp = mp = mp->m_nextm_hdr.mh_next;
807		if (mp == NULL((void *)0))
808			return (EBADRPC72);
809		left = mp->m_lenm_hdr.mh_len;
810		*dposp = mtod(mp, caddr_t)((caddr_t)((mp)->m_hdr.mh_data));
811	}
812	if (left >= siz) {
813		*cp2 = *dposp;
814		*dposp += siz;
815	} else if (mp->m_nextm_hdr.mh_next == NULL((void *)0)) {
816		return (EBADRPC72);
817	} else if (siz > MHLEN((256 - sizeof(struct m_hdr)) - sizeof(struct pkthdr))) {
818		panic("nfs S too big");
819	} else {
820		MGET(mp2, M_WAIT, MT_DATA)mp2 = m_get((0x0001), (1));
821		mp2->m_nextm_hdr.mh_next = mp->m_nextm_hdr.mh_next;
822		mp->m_nextm_hdr.mh_next = mp2;
823		mp->m_lenm_hdr.mh_len -= left;
824		mp = mp2;
825		*cp2 = p = mtod(mp, caddr_t)((caddr_t)((mp)->m_hdr.mh_data));
826		bcopy(*dposp, p, left);		/* Copy what was left */
827		siz2 = siz-left;
828		p += left;
829		mp2 = mp->m_nextm_hdr.mh_next;
830		/* Loop around copying up the siz2 bytes */
831		while (siz2 > 0) {
832			if (mp2 == NULL((void *)0))
833				return (EBADRPC72);
834			xfer = (siz2 > mp2->m_lenm_hdr.mh_len) ? mp2->m_lenm_hdr.mh_len : siz2;
835			if (xfer > 0) {
836				bcopy(mtod(mp2, caddr_t)((caddr_t)((mp2)->m_hdr.mh_data)), p, xfer);
837				mp2->m_datam_hdr.mh_data += xfer;
838				mp2->m_lenm_hdr.mh_len -= xfer;
839				p += xfer;
840				siz2 -= xfer;
841			}
842			if (siz2 > 0)
843				mp2 = mp2->m_nextm_hdr.mh_next;
844		}
845		mp->m_lenm_hdr.mh_len = siz;
846		*mdp = mp2;
847		*dposp = mtod(mp2, caddr_t)((caddr_t)((mp2)->m_hdr.mh_data));
848	}
849	return (0);
850}
851 
852/*
853 * Advance the position in the mbuf chain.
854 */
855int
856nfs_adv(struct mbuf **mdp, caddr_t *dposp, int offs, int left)
857{
858	struct mbuf *m;
859	int s;
860 
861	m = *mdp;
862	s = left;
863	while (s < offs) {
864		offs -= s;
865		m = m->m_nextm_hdr.mh_next;
866		if (m == NULL((void *)0))
867			return (EBADRPC72);
868		s = m->m_lenm_hdr.mh_len;
869	}
870	*mdp = m;
871	*dposp = mtod(m, caddr_t)((caddr_t)((m)->m_hdr.mh_data))+offs;
872	return (0);
873}
874 
875/*
876 * Called once to initialize data structures...
877 */
878void
879nfs_init(void)
880{
881	rpc_vers = txdr_unsigned(RPC_VER2)((__uint32_t)(__builtin_constant_p((int32_t)(2)) ? (__uint32_t
)(((__uint32_t)((int32_t)(2)) & 0xff) << 24 | ((__uint32_t
)((int32_t)(2)) & 0xff00) << 8 | ((__uint32_t)((int32_t
)(2)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(2)
) & 0xff000000) >> 24) : __swap32md((int32_t)(2))));
882	rpc_call = txdr_unsigned(RPC_CALL)((__uint32_t)(__builtin_constant_p((int32_t)(0)) ? (__uint32_t
)(((__uint32_t)((int32_t)(0)) & 0xff) << 24 | ((__uint32_t
)((int32_t)(0)) & 0xff00) << 8 | ((__uint32_t)((int32_t
)(0)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(0)
) & 0xff000000) >> 24) : __swap32md((int32_t)(0))));
883	rpc_reply = txdr_unsigned(RPC_REPLY)((__uint32_t)(__builtin_constant_p((int32_t)(1)) ? (__uint32_t
)(((__uint32_t)((int32_t)(1)) & 0xff) << 24 | ((__uint32_t
)((int32_t)(1)) & 0xff00) << 8 | ((__uint32_t)((int32_t
)(1)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(1)
) & 0xff000000) >> 24) : __swap32md((int32_t)(1))));
884	rpc_msgdenied = txdr_unsigned(RPC_MSGDENIED)((__uint32_t)(__builtin_constant_p((int32_t)(1)) ? (__uint32_t
)(((__uint32_t)((int32_t)(1)) & 0xff) << 24 | ((__uint32_t
)((int32_t)(1)) & 0xff00) << 8 | ((__uint32_t)((int32_t
)(1)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(1)
) & 0xff000000) >> 24) : __swap32md((int32_t)(1))));
885	rpc_msgaccepted = txdr_unsigned(RPC_MSGACCEPTED)((__uint32_t)(__builtin_constant_p((int32_t)(0)) ? (__uint32_t
)(((__uint32_t)((int32_t)(0)) & 0xff) << 24 | ((__uint32_t
)((int32_t)(0)) & 0xff00) << 8 | ((__uint32_t)((int32_t
)(0)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(0)
) & 0xff000000) >> 24) : __swap32md((int32_t)(0))));
886	rpc_mismatch = txdr_unsigned(RPC_MISMATCH)((__uint32_t)(__builtin_constant_p((int32_t)(0)) ? (__uint32_t
)(((__uint32_t)((int32_t)(0)) & 0xff) << 24 | ((__uint32_t
)((int32_t)(0)) & 0xff00) << 8 | ((__uint32_t)((int32_t
)(0)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(0)
) & 0xff000000) >> 24) : __swap32md((int32_t)(0))));
887	rpc_autherr = txdr_unsigned(RPC_AUTHERR)((__uint32_t)(__builtin_constant_p((int32_t)(1)) ? (__uint32_t
)(((__uint32_t)((int32_t)(1)) & 0xff) << 24 | ((__uint32_t
)((int32_t)(1)) & 0xff00) << 8 | ((__uint32_t)((int32_t
)(1)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(1)
) & 0xff000000) >> 24) : __swap32md((int32_t)(1))));
888	rpc_auth_unix = txdr_unsigned(RPCAUTH_UNIX)((__uint32_t)(__builtin_constant_p((int32_t)(1)) ? (__uint32_t
)(((__uint32_t)((int32_t)(1)) & 0xff) << 24 | ((__uint32_t
)((int32_t)(1)) & 0xff00) << 8 | ((__uint32_t)((int32_t
)(1)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(1)
) & 0xff000000) >> 24) : __swap32md((int32_t)(1))));
889	nfs_prog = txdr_unsigned(NFS_PROG)((__uint32_t)(__builtin_constant_p((int32_t)(100003)) ? (__uint32_t
)(((__uint32_t)((int32_t)(100003)) & 0xff) << 24 | (
(__uint32_t)((int32_t)(100003)) & 0xff00) << 8 | ((
__uint32_t)((int32_t)(100003)) & 0xff0000) >> 8 | (
(__uint32_t)((int32_t)(100003)) & 0xff000000) >> 24
) : __swap32md((int32_t)(100003))));
890	nfs_true = txdr_unsigned(1)((__uint32_t)(__builtin_constant_p((int32_t)(1)) ? (__uint32_t
)(((__uint32_t)((int32_t)(1)) & 0xff) << 24 | ((__uint32_t
)((int32_t)(1)) & 0xff00) << 8 | ((__uint32_t)((int32_t
)(1)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(1)
) & 0xff000000) >> 24) : __swap32md((int32_t)(1))));
891	nfs_false = txdr_unsigned(0)((__uint32_t)(__builtin_constant_p((int32_t)(0)) ? (__uint32_t
)(((__uint32_t)((int32_t)(0)) & 0xff) << 24 | ((__uint32_t
)((int32_t)(0)) & 0xff00) << 8 | ((__uint32_t)((int32_t
)(0)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(0)
) & 0xff000000) >> 24) : __swap32md((int32_t)(0))));
892	nfs_xdrneg1 = txdr_unsigned(-1)((__uint32_t)(__builtin_constant_p((int32_t)(-1)) ? (__uint32_t
)(((__uint32_t)((int32_t)(-1)) & 0xff) << 24 | ((__uint32_t
)((int32_t)(-1)) & 0xff00) << 8 | ((__uint32_t)((int32_t
)(-1)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(-
1)) & 0xff000000) >> 24) : __swap32md((int32_t)(-1)
)));
893	nfs_ticks = (hz * NFS_TICKINTVL5 + 500) / 1000;
894	if (nfs_ticks < 1)
895		nfs_ticks = 1;
896#ifdef NFSSERVER1
897	nfsrv_init(0);			/* Init server data structures */
898	nfsrv_initcache();		/* Init the server request cache */
899#endif /* NFSSERVER */
900 
901	pool_init(&nfsreqpl, sizeof(struct nfsreq), 0, IPL_NONE0x0, PR_WAITOK0x0001,
902	    "nfsreqpl", NULL((void *)0));
903}
904 
905#ifdef NFSCLIENT1
906int
907nfs_vfs_init(struct vfsconf *vfsp)
908{
909	extern struct pool nfs_node_pool;
910 
911	TAILQ_INIT(&nfs_bufq)do { (&nfs_bufq)->tqh_first = ((void *)0); (&nfs_bufq
)->tqh_last = &(&nfs_bufq)->tqh_first; } while (
0);
912 
913	pool_init(&nfs_node_pool, sizeof(struct nfsnode), 0, IPL_NONE0x0,
914		  PR_WAITOK0x0001, "nfsnodepl", NULL((void *)0));
915 
916	return (0);
917}
918 
919/*
920 * Attribute cache routines.
921 * nfs_loadattrcache() - loads or updates the cache contents from attributes
922 *	that are on the mbuf list
923 * nfs_getattrcache() - returns valid attributes if found in cache, returns
924 *	error otherwise
925 */
926 
927/*
928 * Load the attribute cache (that lives in the nfsnode entry) with
929 * the values on the mbuf list and
930 * Iff vap not NULL
931 *    copy the attributes to *vaper
932 */
933int
934nfs_loadattrcache(struct vnode **vpp, struct mbuf **mdp, caddr_t *dposp,
935    struct vattr *vaper)
936{
937	struct vnode *vp = *vpp;
938	struct vattr *vap;
939	struct nfs_fattr *fp;
940	extern const struct vops nfs_specvops;
941	struct nfsnode *np;
942	int32_t t1;
943	caddr_t cp2;
944	int error = 0;
945	int32_t rdev;
946	struct mbuf *md;
947	enum vtype vtyp;
948	mode_t vmode;
949	struct timespec mtime;
950	struct vnode *nvp;
951	int v3 = NFS_ISV3(vp)(((struct nfsmount *)(((vp)->v_mount)->mnt_data))->nm_flag
 & 0x00000200);
952	uid_t uid;
953	gid_t gid;
954 
955	md = *mdp;
956	t1 = (mtod(md, caddr_t)((caddr_t)((md)->m_hdr.mh_data)) + md->m_lenm_hdr.mh_len) - *dposp;
957	error = nfsm_disct(mdp, dposp, NFSX_FATTR(v3)((v3) ? 84 : 68), t1, &cp2);
958	if (error)
959		return (error);
960	fp = (struct nfs_fattr *)cp2;
961	if (v3) {
962		vtyp = nfsv3tov_type(fp->fa_type)nv3tov_type[((u_int32_t)(__uint32_t)(__builtin_constant_p((int32_t
)((fp->fa_type))) ? (__uint32_t)(((__uint32_t)((int32_t)((
fp->fa_type))) & 0xff) << 24 | ((__uint32_t)((int32_t
)((fp->fa_type))) & 0xff00) << 8 | ((__uint32_t)
((int32_t)((fp->fa_type))) & 0xff0000) >> 8 | ((
__uint32_t)((int32_t)((fp->fa_type))) & 0xff000000) >>
 24) : __swap32md((int32_t)((fp->fa_type)))))&0x7];
963		vmode = fxdr_unsigned(mode_t, fp->fa_mode)((mode_t)(__uint32_t)(__builtin_constant_p((int32_t)(fp->fa_mode
)) ? (__uint32_t)(((__uint32_t)((int32_t)(fp->fa_mode)) &
 0xff) << 24 | ((__uint32_t)((int32_t)(fp->fa_mode))
 & 0xff00) << 8 | ((__uint32_t)((int32_t)(fp->fa_mode
)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(fp->
fa_mode)) & 0xff000000) >> 24) : __swap32md((int32_t
)(fp->fa_mode))));
964		rdev = makedev(fxdr_unsigned(u_int32_t, fp->fa3_rdev.specdata1),((dev_t)((((((u_int32_t)(__uint32_t)(__builtin_constant_p((int32_t
)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev.specdata1)) ? (__uint32_t
)(((__uint32_t)((int32_t)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev.
specdata1)) & 0xff) << 24 | ((__uint32_t)((int32_t)
(fp->fa_un.fa_nfsv3.nfsv3fa_rdev.specdata1)) & 0xff00)
 << 8 | ((__uint32_t)((int32_t)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev
.specdata1)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t
)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev.specdata1)) & 0xff000000
) >> 24) : __swap32md((int32_t)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev
.specdata1))))) & 0xff) << 8) | ((((u_int32_t)(__uint32_t
)(__builtin_constant_p((int32_t)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev
.specdata2)) ? (__uint32_t)(((__uint32_t)((int32_t)(fp->fa_un
.fa_nfsv3.nfsv3fa_rdev.specdata2)) & 0xff) << 24 | (
(__uint32_t)((int32_t)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev.specdata2
)) & 0xff00) << 8 | ((__uint32_t)((int32_t)(fp->
fa_un.fa_nfsv3.nfsv3fa_rdev.specdata2)) & 0xff0000) >>
 8 | ((__uint32_t)((int32_t)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev
.specdata2)) & 0xff000000) >> 24) : __swap32md((int32_t
)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev.specdata2))))) & 0xff
) | (((((u_int32_t)(__uint32_t)(__builtin_constant_p((int32_t
)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev.specdata2)) ? (__uint32_t
)(((__uint32_t)((int32_t)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev.
specdata2)) & 0xff) << 24 | ((__uint32_t)((int32_t)
(fp->fa_un.fa_nfsv3.nfsv3fa_rdev.specdata2)) & 0xff00)
 << 8 | ((__uint32_t)((int32_t)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev
.specdata2)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t
)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev.specdata2)) & 0xff000000
) >> 24) : __swap32md((int32_t)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev
.specdata2))))) & 0xffff00) << 8)))
965			fxdr_unsigned(u_int32_t, fp->fa3_rdev.specdata2))((dev_t)((((((u_int32_t)(__uint32_t)(__builtin_constant_p((int32_t
)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev.specdata1)) ? (__uint32_t
)(((__uint32_t)((int32_t)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev.
specdata1)) & 0xff) << 24 | ((__uint32_t)((int32_t)
(fp->fa_un.fa_nfsv3.nfsv3fa_rdev.specdata1)) & 0xff00)
 << 8 | ((__uint32_t)((int32_t)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev
.specdata1)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t
)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev.specdata1)) & 0xff000000
) >> 24) : __swap32md((int32_t)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev
.specdata1))))) & 0xff) << 8) | ((((u_int32_t)(__uint32_t
)(__builtin_constant_p((int32_t)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev
.specdata2)) ? (__uint32_t)(((__uint32_t)((int32_t)(fp->fa_un
.fa_nfsv3.nfsv3fa_rdev.specdata2)) & 0xff) << 24 | (
(__uint32_t)((int32_t)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev.specdata2
)) & 0xff00) << 8 | ((__uint32_t)((int32_t)(fp->
fa_un.fa_nfsv3.nfsv3fa_rdev.specdata2)) & 0xff0000) >>
 8 | ((__uint32_t)((int32_t)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev
.specdata2)) & 0xff000000) >> 24) : __swap32md((int32_t
)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev.specdata2))))) & 0xff
) | (((((u_int32_t)(__uint32_t)(__builtin_constant_p((int32_t
)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev.specdata2)) ? (__uint32_t
)(((__uint32_t)((int32_t)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev.
specdata2)) & 0xff) << 24 | ((__uint32_t)((int32_t)
(fp->fa_un.fa_nfsv3.nfsv3fa_rdev.specdata2)) & 0xff00)
 << 8 | ((__uint32_t)((int32_t)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev
.specdata2)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t
)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev.specdata2)) & 0xff000000
) >> 24) : __swap32md((int32_t)(fp->fa_un.fa_nfsv3.nfsv3fa_rdev
.specdata2))))) & 0xffff00) << 8)));
966		fxdr_nfsv3time(&fp->fa3_mtime, &mtime)do { (&mtime)->tv_sec = (__uint32_t)(__builtin_constant_p
(((struct nfsv3_time *)(&fp->fa_un.fa_nfsv3.nfsv3fa_mtime
))->nfsv3_sec) ? (__uint32_t)(((__uint32_t)(((struct nfsv3_time
 *)(&fp->fa_un.fa_nfsv3.nfsv3fa_mtime))->nfsv3_sec)
 & 0xff) << 24 | ((__uint32_t)(((struct nfsv3_time *
)(&fp->fa_un.fa_nfsv3.nfsv3fa_mtime))->nfsv3_sec) &
 0xff00) << 8 | ((__uint32_t)(((struct nfsv3_time *)(&
fp->fa_un.fa_nfsv3.nfsv3fa_mtime))->nfsv3_sec) & 0xff0000
) >> 8 | ((__uint32_t)(((struct nfsv3_time *)(&fp->
fa_un.fa_nfsv3.nfsv3fa_mtime))->nfsv3_sec) & 0xff000000
) >> 24) : __swap32md(((struct nfsv3_time *)(&fp->
fa_un.fa_nfsv3.nfsv3fa_mtime))->nfsv3_sec)); (&mtime)->
tv_nsec = (__uint32_t)(__builtin_constant_p(((struct nfsv3_time
 *)(&fp->fa_un.fa_nfsv3.nfsv3fa_mtime))->nfsv3_nsec
) ? (__uint32_t)(((__uint32_t)(((struct nfsv3_time *)(&fp
->fa_un.fa_nfsv3.nfsv3fa_mtime))->nfsv3_nsec) & 0xff
) << 24 | ((__uint32_t)(((struct nfsv3_time *)(&fp->
fa_un.fa_nfsv3.nfsv3fa_mtime))->nfsv3_nsec) & 0xff00) <<
 8 | ((__uint32_t)(((struct nfsv3_time *)(&fp->fa_un.fa_nfsv3
.nfsv3fa_mtime))->nfsv3_nsec) & 0xff0000) >> 8 |
 ((__uint32_t)(((struct nfsv3_time *)(&fp->fa_un.fa_nfsv3
.nfsv3fa_mtime))->nfsv3_nsec) & 0xff000000) >> 24
) : __swap32md(((struct nfsv3_time *)(&fp->fa_un.fa_nfsv3
.nfsv3fa_mtime))->nfsv3_nsec)); } while (0);
967	} else {
968		vtyp = nfsv2tov_type(fp->fa_type)nv2tov_type[((u_int32_t)(__uint32_t)(__builtin_constant_p((int32_t
)((fp->fa_type))) ? (__uint32_t)(((__uint32_t)((int32_t)((
fp->fa_type))) & 0xff) << 24 | ((__uint32_t)((int32_t
)((fp->fa_type))) & 0xff00) << 8 | ((__uint32_t)
((int32_t)((fp->fa_type))) & 0xff0000) >> 8 | ((
__uint32_t)((int32_t)((fp->fa_type))) & 0xff000000) >>
 24) : __swap32md((int32_t)((fp->fa_type)))))&0x7];
969		vmode = fxdr_unsigned(mode_t, fp->fa_mode)((mode_t)(__uint32_t)(__builtin_constant_p((int32_t)(fp->fa_mode
)) ? (__uint32_t)(((__uint32_t)((int32_t)(fp->fa_mode)) &
 0xff) << 24 | ((__uint32_t)((int32_t)(fp->fa_mode))
 & 0xff00) << 8 | ((__uint32_t)((int32_t)(fp->fa_mode
)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(fp->
fa_mode)) & 0xff000000) >> 24) : __swap32md((int32_t
)(fp->fa_mode))));
970		if (vtyp == VNON || vtyp == VREG)
971			vtyp = IFTOVT(vmode)(iftovt_tab[((vmode) & 0170000) >> 12]);
972		rdev = fxdr_unsigned(int32_t, fp->fa2_rdev)((int32_t)(__uint32_t)(__builtin_constant_p((int32_t)(fp->
fa_un.fa_nfsv2.nfsv2fa_rdev)) ? (__uint32_t)(((__uint32_t)((int32_t
)(fp->fa_un.fa_nfsv2.nfsv2fa_rdev)) & 0xff) << 24
 | ((__uint32_t)((int32_t)(fp->fa_un.fa_nfsv2.nfsv2fa_rdev
)) & 0xff00) << 8 | ((__uint32_t)((int32_t)(fp->
fa_un.fa_nfsv2.nfsv2fa_rdev)) & 0xff0000) >> 8 | ((
__uint32_t)((int32_t)(fp->fa_un.fa_nfsv2.nfsv2fa_rdev)) &
 0xff000000) >> 24) : __swap32md((int32_t)(fp->fa_un
.fa_nfsv2.nfsv2fa_rdev))));
973		fxdr_nfsv2time(&fp->fa2_mtime, &mtime)do { (&mtime)->tv_sec = (__uint32_t)(__builtin_constant_p
(((struct nfsv2_time *)(&fp->fa_un.fa_nfsv2.nfsv2fa_mtime
))->nfsv2_sec) ? (__uint32_t)(((__uint32_t)(((struct nfsv2_time
 *)(&fp->fa_un.fa_nfsv2.nfsv2fa_mtime))->nfsv2_sec)
 & 0xff) << 24 | ((__uint32_t)(((struct nfsv2_time *
)(&fp->fa_un.fa_nfsv2.nfsv2fa_mtime))->nfsv2_sec) &
 0xff00) << 8 | ((__uint32_t)(((struct nfsv2_time *)(&
fp->fa_un.fa_nfsv2.nfsv2fa_mtime))->nfsv2_sec) & 0xff0000
) >> 8 | ((__uint32_t)(((struct nfsv2_time *)(&fp->
fa_un.fa_nfsv2.nfsv2fa_mtime))->nfsv2_sec) & 0xff000000
) >> 24) : __swap32md(((struct nfsv2_time *)(&fp->
fa_un.fa_nfsv2.nfsv2fa_mtime))->nfsv2_sec)); if (((struct nfsv2_time
 *)(&fp->fa_un.fa_nfsv2.nfsv2fa_mtime))->nfsv2_usec
 != 0xffffffff) (&mtime)->tv_nsec = 1000 * (__uint32_t
)(__builtin_constant_p(((struct nfsv2_time *)(&fp->fa_un
.fa_nfsv2.nfsv2fa_mtime))->nfsv2_usec) ? (__uint32_t)(((__uint32_t
)(((struct nfsv2_time *)(&fp->fa_un.fa_nfsv2.nfsv2fa_mtime
))->nfsv2_usec) & 0xff) << 24 | ((__uint32_t)(((
struct nfsv2_time *)(&fp->fa_un.fa_nfsv2.nfsv2fa_mtime
))->nfsv2_usec) & 0xff00) << 8 | ((__uint32_t)((
(struct nfsv2_time *)(&fp->fa_un.fa_nfsv2.nfsv2fa_mtime
))->nfsv2_usec) & 0xff0000) >> 8 | ((__uint32_t)
(((struct nfsv2_time *)(&fp->fa_un.fa_nfsv2.nfsv2fa_mtime
))->nfsv2_usec) & 0xff000000) >> 24) : __swap32md
(((struct nfsv2_time *)(&fp->fa_un.fa_nfsv2.nfsv2fa_mtime
))->nfsv2_usec)); else (&mtime)->tv_nsec = 0; } while
 (0);
974 
975		/*
976		 * Really ugly NFSv2 kludge.
977		 */
978		if (vtyp == VCHR && rdev == 0xffffffff)
979			vtyp = VFIFO;
980	}
981 
982	/*
983	 * If v_type == VNON it is a new node, so fill in the v_type,
984	 * n_mtime fields. Check to see if it represents a special 
985	 * device, and if so, check for a possible alias. Once the
986	 * correct vnode has been obtained, fill in the rest of the
987	 * information.
988	 */
989	np = VTONFS(vp)((struct nfsnode *)(vp)->v_data);
990	if (vp->v_type != vtyp) {
991		cache_purge(vp);
992		vp->v_type = vtyp;
993		if (vp->v_type == VFIFO) {
994#ifndef FIFO1
995			return (EOPNOTSUPP45);
996#else
997                        extern const struct vops nfs_fifovops;
998			vp->v_op = &nfs_fifovops;
999#endif /* FIFO */
1000		}
1001		if (vp->v_type == VCHR || vp->v_type == VBLK) {
1002			vp->v_op = &nfs_specvops;
1003			nvp = checkalias(vp, (dev_t)rdev, vp->v_mount);
1004			if (nvp) {
1005				/*
1006				 * Discard unneeded vnode, but save its nfsnode.
1007				 * Since the nfsnode does not have a lock, its
1008				 * vnode lock has to be carried over.
1009				 */
1010 
1011				nvp->v_data = vp->v_data;
1012				vp->v_data = NULL((void *)0);
1013				vp->v_op = &spec_vops;
1014				vrele(vp);
1015				vgone(vp);
1016				/*
1017				 * Reinitialize aliased node.
1018				 */
1019				np->n_vnode = nvp;
1020				*vpp = vp = nvp;
1021			}
1022		}
1023		np->n_mtime = mtime;
1024	}
1025	vap = &np->n_vattr;
1026	vap->va_type = vtyp;
1027	vap->va_rdev = (dev_t)rdev;
1028	vap->va_mtime = mtime;
1029	vap->va_fsid = vp->v_mount->mnt_stat.f_fsid.val[0];
1030 
1031	uid = fxdr_unsigned(uid_t, fp->fa_uid)((uid_t)(__uint32_t)(__builtin_constant_p((int32_t)(fp->fa_uid
)) ? (__uint32_t)(((__uint32_t)((int32_t)(fp->fa_uid)) &
 0xff) << 24 | ((__uint32_t)((int32_t)(fp->fa_uid)) &
 0xff00) << 8 | ((__uint32_t)((int32_t)(fp->fa_uid))
 & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(fp->
fa_uid)) & 0xff000000) >> 24) : __swap32md((int32_t
)(fp->fa_uid))));
1032	gid = fxdr_unsigned(gid_t, fp->fa_gid)((gid_t)(__uint32_t)(__builtin_constant_p((int32_t)(fp->fa_gid
)) ? (__uint32_t)(((__uint32_t)((int32_t)(fp->fa_gid)) &
 0xff) << 24 | ((__uint32_t)((int32_t)(fp->fa_gid)) &
 0xff00) << 8 | ((__uint32_t)((int32_t)(fp->fa_gid))
 & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(fp->
fa_gid)) & 0xff000000) >> 24) : __swap32md((int32_t
)(fp->fa_gid))));
1033	/* Invalidate access cache if uid, gid or mode changed. */
1034	if (np->n_accstamp != -1 &&
1035	    (gid != vap->va_gid || uid != vap->va_uid ||
1036	    (vmode & 07777) != vap->va_mode))
1037		np->n_accstamp = -1;
1038 
1039	vap->va_mode = (vmode & 07777);
1040 
1041	switch (vtyp) {
1042	case VBLK:
1043		vap->va_blocksize = BLKDEV_IOSIZE(1 << 12);
1044		break;
1045	case VCHR:
1046		vap->va_blocksize = MAXBSIZE(64 * 1024);
1047		break;
1048	default:
1049		vap->va_blocksize = v3 ? vp->v_mount->mnt_stat.f_iosize :
1050		     fxdr_unsigned(int32_t, fp->fa2_blocksize)((int32_t)(__uint32_t)(__builtin_constant_p((int32_t)(fp->
fa_un.fa_nfsv2.nfsv2fa_blocksize)) ? (__uint32_t)(((__uint32_t
)((int32_t)(fp->fa_un.fa_nfsv2.nfsv2fa_blocksize)) & 0xff
) << 24 | ((__uint32_t)((int32_t)(fp->fa_un.fa_nfsv2
.nfsv2fa_blocksize)) & 0xff00) << 8 | ((__uint32_t)
((int32_t)(fp->fa_un.fa_nfsv2.nfsv2fa_blocksize)) & 0xff0000
) >> 8 | ((__uint32_t)((int32_t)(fp->fa_un.fa_nfsv2.
nfsv2fa_blocksize)) & 0xff000000) >> 24) : __swap32md
((int32_t)(fp->fa_un.fa_nfsv2.nfsv2fa_blocksize))));
1051		break;
1052	}
1053	if (v3) {
1054		vap->va_nlink = fxdr_unsigned(nlink_t, fp->fa_nlink)((nlink_t)(__uint32_t)(__builtin_constant_p((int32_t)(fp->
fa_nlink)) ? (__uint32_t)(((__uint32_t)((int32_t)(fp->fa_nlink
)) & 0xff) << 24 | ((__uint32_t)((int32_t)(fp->fa_nlink
)) & 0xff00) << 8 | ((__uint32_t)((int32_t)(fp->
fa_nlink)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t
)(fp->fa_nlink)) & 0xff000000) >> 24) : __swap32md
((int32_t)(fp->fa_nlink))));
1055		vap->va_uid = fxdr_unsigned(uid_t, fp->fa_uid)((uid_t)(__uint32_t)(__builtin_constant_p((int32_t)(fp->fa_uid
)) ? (__uint32_t)(((__uint32_t)((int32_t)(fp->fa_uid)) &
 0xff) << 24 | ((__uint32_t)((int32_t)(fp->fa_uid)) &
 0xff00) << 8 | ((__uint32_t)((int32_t)(fp->fa_uid))
 & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(fp->
fa_uid)) & 0xff000000) >> 24) : __swap32md((int32_t
)(fp->fa_uid))));
1056		vap->va_gid = fxdr_unsigned(gid_t, fp->fa_gid)((gid_t)(__uint32_t)(__builtin_constant_p((int32_t)(fp->fa_gid
)) ? (__uint32_t)(((__uint32_t)((int32_t)(fp->fa_gid)) &
 0xff) << 24 | ((__uint32_t)((int32_t)(fp->fa_gid)) &
 0xff00) << 8 | ((__uint32_t)((int32_t)(fp->fa_gid))
 & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(fp->
fa_gid)) & 0xff000000) >> 24) : __swap32md((int32_t
)(fp->fa_gid))));
1057		vap->va_size = fxdr_hyper(&fp->fa3_size)((((u_quad_t)(__uint32_t)(__builtin_constant_p(((u_int32_t *)
(&fp->fa_un.fa_nfsv3.nfsv3fa_size))[0]) ? (__uint32_t)
(((__uint32_t)(((u_int32_t *)(&fp->fa_un.fa_nfsv3.nfsv3fa_size
))[0]) & 0xff) << 24 | ((__uint32_t)(((u_int32_t *)
(&fp->fa_un.fa_nfsv3.nfsv3fa_size))[0]) & 0xff00) <<
 8 | ((__uint32_t)(((u_int32_t *)(&fp->fa_un.fa_nfsv3.
nfsv3fa_size))[0]) & 0xff0000) >> 8 | ((__uint32_t)
(((u_int32_t *)(&fp->fa_un.fa_nfsv3.nfsv3fa_size))[0])
 & 0xff000000) >> 24) : __swap32md(((u_int32_t *)(&
fp->fa_un.fa_nfsv3.nfsv3fa_size))[0]))) << 32) | (u_quad_t
)((__uint32_t)(__builtin_constant_p(((u_int32_t *)(&fp->
fa_un.fa_nfsv3.nfsv3fa_size))[1]) ? (__uint32_t)(((__uint32_t
)(((u_int32_t *)(&fp->fa_un.fa_nfsv3.nfsv3fa_size))[1]
) & 0xff) << 24 | ((__uint32_t)(((u_int32_t *)(&
fp->fa_un.fa_nfsv3.nfsv3fa_size))[1]) & 0xff00) <<
 8 | ((__uint32_t)(((u_int32_t *)(&fp->fa_un.fa_nfsv3.
nfsv3fa_size))[1]) & 0xff0000) >> 8 | ((__uint32_t)
(((u_int32_t *)(&fp->fa_un.fa_nfsv3.nfsv3fa_size))[1])
 & 0xff000000) >> 24) : __swap32md(((u_int32_t *)(&
fp->fa_un.fa_nfsv3.nfsv3fa_size))[1]))));
1058		vap->va_bytes = fxdr_hyper(&fp->fa3_used)((((u_quad_t)(__uint32_t)(__builtin_constant_p(((u_int32_t *)
(&fp->fa_un.fa_nfsv3.nfsv3fa_used))[0]) ? (__uint32_t)
(((__uint32_t)(((u_int32_t *)(&fp->fa_un.fa_nfsv3.nfsv3fa_used
))[0]) & 0xff) << 24 | ((__uint32_t)(((u_int32_t *)
(&fp->fa_un.fa_nfsv3.nfsv3fa_used))[0]) & 0xff00) <<
 8 | ((__uint32_t)(((u_int32_t *)(&fp->fa_un.fa_nfsv3.
nfsv3fa_used))[0]) & 0xff0000) >> 8 | ((__uint32_t)
(((u_int32_t *)(&fp->fa_un.fa_nfsv3.nfsv3fa_used))[0])
 & 0xff000000) >> 24) : __swap32md(((u_int32_t *)(&
fp->fa_un.fa_nfsv3.nfsv3fa_used))[0]))) << 32) | (u_quad_t
)((__uint32_t)(__builtin_constant_p(((u_int32_t *)(&fp->
fa_un.fa_nfsv3.nfsv3fa_used))[1]) ? (__uint32_t)(((__uint32_t
)(((u_int32_t *)(&fp->fa_un.fa_nfsv3.nfsv3fa_used))[1]
) & 0xff) << 24 | ((__uint32_t)(((u_int32_t *)(&
fp->fa_un.fa_nfsv3.nfsv3fa_used))[1]) & 0xff00) <<
 8 | ((__uint32_t)(((u_int32_t *)(&fp->fa_un.fa_nfsv3.
nfsv3fa_used))[1]) & 0xff0000) >> 8 | ((__uint32_t)
(((u_int32_t *)(&fp->fa_un.fa_nfsv3.nfsv3fa_used))[1])
 & 0xff000000) >> 24) : __swap32md(((u_int32_t *)(&
fp->fa_un.fa_nfsv3.nfsv3fa_used))[1]))));
1059		vap->va_fileid = fxdr_hyper(&fp->fa3_fileid)((((u_quad_t)(__uint32_t)(__builtin_constant_p(((u_int32_t *)
(&fp->fa_un.fa_nfsv3.nfsv3fa_fileid))[0]) ? (__uint32_t
)(((__uint32_t)(((u_int32_t *)(&fp->fa_un.fa_nfsv3.nfsv3fa_fileid
))[0]) & 0xff) << 24 | ((__uint32_t)(((u_int32_t *)
(&fp->fa_un.fa_nfsv3.nfsv3fa_fileid))[0]) & 0xff00
) << 8 | ((__uint32_t)(((u_int32_t *)(&fp->fa_un
.fa_nfsv3.nfsv3fa_fileid))[0]) & 0xff0000) >> 8 | (
(__uint32_t)(((u_int32_t *)(&fp->fa_un.fa_nfsv3.nfsv3fa_fileid
))[0]) & 0xff000000) >> 24) : __swap32md(((u_int32_t
 *)(&fp->fa_un.fa_nfsv3.nfsv3fa_fileid))[0]))) <<
 32) | (u_quad_t)((__uint32_t)(__builtin_constant_p(((u_int32_t
 *)(&fp->fa_un.fa_nfsv3.nfsv3fa_fileid))[1]) ? (__uint32_t
)(((__uint32_t)(((u_int32_t *)(&fp->fa_un.fa_nfsv3.nfsv3fa_fileid
))[1]) & 0xff) << 24 | ((__uint32_t)(((u_int32_t *)
(&fp->fa_un.fa_nfsv3.nfsv3fa_fileid))[1]) & 0xff00
) << 8 | ((__uint32_t)(((u_int32_t *)(&fp->fa_un
.fa_nfsv3.nfsv3fa_fileid))[1]) & 0xff0000) >> 8 | (
(__uint32_t)(((u_int32_t *)(&fp->fa_un.fa_nfsv3.nfsv3fa_fileid
))[1]) & 0xff000000) >> 24) : __swap32md(((u_int32_t
 *)(&fp->fa_un.fa_nfsv3.nfsv3fa_fileid))[1]))));
1060		fxdr_nfsv3time(&fp->fa3_atime, &vap->va_atime)do { (&vap->va_atime)->tv_sec = (__uint32_t)(__builtin_constant_p
(((struct nfsv3_time *)(&fp->fa_un.fa_nfsv3.nfsv3fa_atime
))->nfsv3_sec) ? (__uint32_t)(((__uint32_t)(((struct nfsv3_time
 *)(&fp->fa_un.fa_nfsv3.nfsv3fa_atime))->nfsv3_sec)
 & 0xff) << 24 | ((__uint32_t)(((struct nfsv3_time *
)(&fp->fa_un.fa_nfsv3.nfsv3fa_atime))->nfsv3_sec) &
 0xff00) << 8 | ((__uint32_t)(((struct nfsv3_time *)(&
fp->fa_un.fa_nfsv3.nfsv3fa_atime))->nfsv3_sec) & 0xff0000
) >> 8 | ((__uint32_t)(((struct nfsv3_time *)(&fp->
fa_un.fa_nfsv3.nfsv3fa_atime))->nfsv3_sec) & 0xff000000
) >> 24) : __swap32md(((struct nfsv3_time *)(&fp->
fa_un.fa_nfsv3.nfsv3fa_atime))->nfsv3_sec)); (&vap->
va_atime)->tv_nsec = (__uint32_t)(__builtin_constant_p(((struct
 nfsv3_time *)(&fp->fa_un.fa_nfsv3.nfsv3fa_atime))->
nfsv3_nsec) ? (__uint32_t)(((__uint32_t)(((struct nfsv3_time *
)(&fp->fa_un.fa_nfsv3.nfsv3fa_atime))->nfsv3_nsec) &
 0xff) << 24 | ((__uint32_t)(((struct nfsv3_time *)(&
fp->fa_un.fa_nfsv3.nfsv3fa_atime))->nfsv3_nsec) & 0xff00
) << 8 | ((__uint32_t)(((struct nfsv3_time *)(&fp->
fa_un.fa_nfsv3.nfsv3fa_atime))->nfsv3_nsec) & 0xff0000
) >> 8 | ((__uint32_t)(((struct nfsv3_time *)(&fp->
fa_un.fa_nfsv3.nfsv3fa_atime))->nfsv3_nsec) & 0xff000000
) >> 24) : __swap32md(((struct nfsv3_time *)(&fp->
fa_un.fa_nfsv3.nfsv3fa_atime))->nfsv3_nsec)); } while (0);
1061		fxdr_nfsv3time(&fp->fa3_ctime, &vap->va_ctime)do { (&vap->va_ctime)->tv_sec = (__uint32_t)(__builtin_constant_p
(((struct nfsv3_time *)(&fp->fa_un.fa_nfsv3.nfsv3fa_ctime
))->nfsv3_sec) ? (__uint32_t)(((__uint32_t)(((struct nfsv3_time
 *)(&fp->fa_un.fa_nfsv3.nfsv3fa_ctime))->nfsv3_sec)
 & 0xff) << 24 | ((__uint32_t)(((struct nfsv3_time *
)(&fp->fa_un.fa_nfsv3.nfsv3fa_ctime))->nfsv3_sec) &
 0xff00) << 8 | ((__uint32_t)(((struct nfsv3_time *)(&
fp->fa_un.fa_nfsv3.nfsv3fa_ctime))->nfsv3_sec) & 0xff0000
) >> 8 | ((__uint32_t)(((struct nfsv3_time *)(&fp->
fa_un.fa_nfsv3.nfsv3fa_ctime))->nfsv3_sec) & 0xff000000
) >> 24) : __swap32md(((struct nfsv3_time *)(&fp->
fa_un.fa_nfsv3.nfsv3fa_ctime))->nfsv3_sec)); (&vap->
va_ctime)->tv_nsec = (__uint32_t)(__builtin_constant_p(((struct
 nfsv3_time *)(&fp->fa_un.fa_nfsv3.nfsv3fa_ctime))->
nfsv3_nsec) ? (__uint32_t)(((__uint32_t)(((struct nfsv3_time *
)(&fp->fa_un.fa_nfsv3.nfsv3fa_ctime))->nfsv3_nsec) &
 0xff) << 24 | ((__uint32_t)(((struct nfsv3_time *)(&
fp->fa_un.fa_nfsv3.nfsv3fa_ctime))->nfsv3_nsec) & 0xff00
) << 8 | ((__uint32_t)(((struct nfsv3_time *)(&fp->
fa_un.fa_nfsv3.nfsv3fa_ctime))->nfsv3_nsec) & 0xff0000
) >> 8 | ((__uint32_t)(((struct nfsv3_time *)(&fp->
fa_un.fa_nfsv3.nfsv3fa_ctime))->nfsv3_nsec) & 0xff000000
) >> 24) : __swap32md(((struct nfsv3_time *)(&fp->
fa_un.fa_nfsv3.nfsv3fa_ctime))->nfsv3_nsec)); } while (0);
1062		vap->va_flags = 0;
1063		vap->va_filerev = 0;
1064	} else {
1065		vap->va_nlink = fxdr_unsigned(nlink_t, fp->fa_nlink)((nlink_t)(__uint32_t)(__builtin_constant_p((int32_t)(fp->
fa_nlink)) ? (__uint32_t)(((__uint32_t)((int32_t)(fp->fa_nlink
)) & 0xff) << 24 | ((__uint32_t)((int32_t)(fp->fa_nlink
)) & 0xff00) << 8 | ((__uint32_t)((int32_t)(fp->
fa_nlink)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t
)(fp->fa_nlink)) & 0xff000000) >> 24) : __swap32md
((int32_t)(fp->fa_nlink))));
1066		vap->va_uid = fxdr_unsigned(uid_t, fp->fa_uid)((uid_t)(__uint32_t)(__builtin_constant_p((int32_t)(fp->fa_uid
)) ? (__uint32_t)(((__uint32_t)((int32_t)(fp->fa_uid)) &
 0xff) << 24 | ((__uint32_t)((int32_t)(fp->fa_uid)) &
 0xff00) << 8 | ((__uint32_t)((int32_t)(fp->fa_uid))
 & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(fp->
fa_uid)) & 0xff000000) >> 24) : __swap32md((int32_t
)(fp->fa_uid))));
1067		vap->va_gid = fxdr_unsigned(gid_t, fp->fa_gid)((gid_t)(__uint32_t)(__builtin_constant_p((int32_t)(fp->fa_gid
)) ? (__uint32_t)(((__uint32_t)((int32_t)(fp->fa_gid)) &
 0xff) << 24 | ((__uint32_t)((int32_t)(fp->fa_gid)) &
 0xff00) << 8 | ((__uint32_t)((int32_t)(fp->fa_gid))
 & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(fp->
fa_gid)) & 0xff000000) >> 24) : __swap32md((int32_t
)(fp->fa_gid))));
1068		vap->va_size = fxdr_unsigned(u_int32_t, fp->fa2_size)((u_int32_t)(__uint32_t)(__builtin_constant_p((int32_t)(fp->
fa_un.fa_nfsv2.nfsv2fa_size)) ? (__uint32_t)(((__uint32_t)((int32_t
)(fp->fa_un.fa_nfsv2.nfsv2fa_size)) & 0xff) << 24
 | ((__uint32_t)((int32_t)(fp->fa_un.fa_nfsv2.nfsv2fa_size
)) & 0xff00) << 8 | ((__uint32_t)((int32_t)(fp->
fa_un.fa_nfsv2.nfsv2fa_size)) & 0xff0000) >> 8 | ((
__uint32_t)((int32_t)(fp->fa_un.fa_nfsv2.nfsv2fa_size)) &
 0xff000000) >> 24) : __swap32md((int32_t)(fp->fa_un
.fa_nfsv2.nfsv2fa_size))));
1069		vap->va_bytes =
1070		    (u_quad_t)fxdr_unsigned(int32_t, fp->fa2_blocks)((int32_t)(__uint32_t)(__builtin_constant_p((int32_t)(fp->
fa_un.fa_nfsv2.nfsv2fa_blocks)) ? (__uint32_t)(((__uint32_t)(
(int32_t)(fp->fa_un.fa_nfsv2.nfsv2fa_blocks)) & 0xff) <<
 24 | ((__uint32_t)((int32_t)(fp->fa_un.fa_nfsv2.nfsv2fa_blocks
)) & 0xff00) << 8 | ((__uint32_t)((int32_t)(fp->
fa_un.fa_nfsv2.nfsv2fa_blocks)) & 0xff0000) >> 8 | (
(__uint32_t)((int32_t)(fp->fa_un.fa_nfsv2.nfsv2fa_blocks))
 & 0xff000000) >> 24) : __swap32md((int32_t)(fp->
fa_un.fa_nfsv2.nfsv2fa_blocks)))) *
1071		    NFS_FABLKSIZE512;
1072		vap->va_fileid = fxdr_unsigned(int32_t, fp->fa2_fileid)((int32_t)(__uint32_t)(__builtin_constant_p((int32_t)(fp->
fa_un.fa_nfsv2.nfsv2fa_fileid)) ? (__uint32_t)(((__uint32_t)(
(int32_t)(fp->fa_un.fa_nfsv2.nfsv2fa_fileid)) & 0xff) <<
 24 | ((__uint32_t)((int32_t)(fp->fa_un.fa_nfsv2.nfsv2fa_fileid
)) & 0xff00) << 8 | ((__uint32_t)((int32_t)(fp->
fa_un.fa_nfsv2.nfsv2fa_fileid)) & 0xff0000) >> 8 | (
(__uint32_t)((int32_t)(fp->fa_un.fa_nfsv2.nfsv2fa_fileid))
 & 0xff000000) >> 24) : __swap32md((int32_t)(fp->
fa_un.fa_nfsv2.nfsv2fa_fileid))));
1073		fxdr_nfsv2time(&fp->fa2_atime, &vap->va_atime)do { (&vap->va_atime)->tv_sec = (__uint32_t)(__builtin_constant_p
(((struct nfsv2_time *)(&fp->fa_un.fa_nfsv2.nfsv2fa_atime
))->nfsv2_sec) ? (__uint32_t)(((__uint32_t)(((struct nfsv2_time
 *)(&fp->fa_un.fa_nfsv2.nfsv2fa_atime))->nfsv2_sec)
 & 0xff) << 24 | ((__uint32_t)(((struct nfsv2_time *
)(&fp->fa_un.fa_nfsv2.nfsv2fa_atime))->nfsv2_sec) &
 0xff00) << 8 | ((__uint32_t)(((struct nfsv2_time *)(&
fp->fa_un.fa_nfsv2.nfsv2fa_atime))->nfsv2_sec) & 0xff0000
) >> 8 | ((__uint32_t)(((struct nfsv2_time *)(&fp->
fa_un.fa_nfsv2.nfsv2fa_atime))->nfsv2_sec) & 0xff000000
) >> 24) : __swap32md(((struct nfsv2_time *)(&fp->
fa_un.fa_nfsv2.nfsv2fa_atime))->nfsv2_sec)); if (((struct nfsv2_time
 *)(&fp->fa_un.fa_nfsv2.nfsv2fa_atime))->nfsv2_usec
 != 0xffffffff) (&vap->va_atime)->tv_nsec = 1000 * (
__uint32_t)(__builtin_constant_p(((struct nfsv2_time *)(&
fp->fa_un.fa_nfsv2.nfsv2fa_atime))->nfsv2_usec) ? (__uint32_t
)(((__uint32_t)(((struct nfsv2_time *)(&fp->fa_un.fa_nfsv2
.nfsv2fa_atime))->nfsv2_usec) & 0xff) << 24 | ((
__uint32_t)(((struct nfsv2_time *)(&fp->fa_un.fa_nfsv2
.nfsv2fa_atime))->nfsv2_usec) & 0xff00) << 8 | (
(__uint32_t)(((struct nfsv2_time *)(&fp->fa_un.fa_nfsv2
.nfsv2fa_atime))->nfsv2_usec) & 0xff0000) >> 8 |
 ((__uint32_t)(((struct nfsv2_time *)(&fp->fa_un.fa_nfsv2
.nfsv2fa_atime))->nfsv2_usec) & 0xff000000) >> 24
) : __swap32md(((struct nfsv2_time *)(&fp->fa_un.fa_nfsv2
.nfsv2fa_atime))->nfsv2_usec)); else (&vap->va_atime
)->tv_nsec = 0; } while (0);
1074		vap->va_flags = 0;
1075		vap->va_ctime.tv_sec = fxdr_unsigned(u_int32_t,((u_int32_t)(__uint32_t)(__builtin_constant_p((int32_t)(fp->
fa_un.fa_nfsv2.nfsv2fa_ctime.nfsv2_sec)) ? (__uint32_t)(((__uint32_t
)((int32_t)(fp->fa_un.fa_nfsv2.nfsv2fa_ctime.nfsv2_sec)) &
 0xff) << 24 | ((__uint32_t)((int32_t)(fp->fa_un.fa_nfsv2
.nfsv2fa_ctime.nfsv2_sec)) & 0xff00) << 8 | ((__uint32_t
)((int32_t)(fp->fa_un.fa_nfsv2.nfsv2fa_ctime.nfsv2_sec)) &
 0xff0000) >> 8 | ((__uint32_t)((int32_t)(fp->fa_un.
fa_nfsv2.nfsv2fa_ctime.nfsv2_sec)) & 0xff000000) >>
 24) : __swap32md((int32_t)(fp->fa_un.fa_nfsv2.nfsv2fa_ctime
.nfsv2_sec))))
1076		    fp->fa2_ctime.nfsv2_sec)((u_int32_t)(__uint32_t)(__builtin_constant_p((int32_t)(fp->
fa_un.fa_nfsv2.nfsv2fa_ctime.nfsv2_sec)) ? (__uint32_t)(((__uint32_t
)((int32_t)(fp->fa_un.fa_nfsv2.nfsv2fa_ctime.nfsv2_sec)) &
 0xff) << 24 | ((__uint32_t)((int32_t)(fp->fa_un.fa_nfsv2
.nfsv2fa_ctime.nfsv2_sec)) & 0xff00) << 8 | ((__uint32_t
)((int32_t)(fp->fa_un.fa_nfsv2.nfsv2fa_ctime.nfsv2_sec)) &
 0xff0000) >> 8 | ((__uint32_t)((int32_t)(fp->fa_un.
fa_nfsv2.nfsv2fa_ctime.nfsv2_sec)) & 0xff000000) >>
 24) : __swap32md((int32_t)(fp->fa_un.fa_nfsv2.nfsv2fa_ctime
.nfsv2_sec))));
1077		vap->va_ctime.tv_nsec = 0;
1078		vap->va_gen = fxdr_unsigned(u_int32_t,fp->fa2_ctime.nfsv2_usec)((u_int32_t)(__uint32_t)(__builtin_constant_p((int32_t)(fp->
fa_un.fa_nfsv2.nfsv2fa_ctime.nfsv2_usec)) ? (__uint32_t)(((__uint32_t
)((int32_t)(fp->fa_un.fa_nfsv2.nfsv2fa_ctime.nfsv2_usec)) &
 0xff) << 24 | ((__uint32_t)((int32_t)(fp->fa_un.fa_nfsv2
.nfsv2fa_ctime.nfsv2_usec)) & 0xff00) << 8 | ((__uint32_t
)((int32_t)(fp->fa_un.fa_nfsv2.nfsv2fa_ctime.nfsv2_usec)) &
 0xff0000) >> 8 | ((__uint32_t)((int32_t)(fp->fa_un.
fa_nfsv2.nfsv2fa_ctime.nfsv2_usec)) & 0xff000000) >>
 24) : __swap32md((int32_t)(fp->fa_un.fa_nfsv2.nfsv2fa_ctime
.nfsv2_usec))));
1079		vap->va_filerev = 0;
1080	}
1081 
1082	if (vap->va_size != np->n_size) {
1083		if (vap->va_type == VREG) {
1084			if (np->n_flag & NMODIFIED0x0004) {
1085				if (vap->va_size < np->n_size)
1086					vap->va_size = np->n_size;
1087				else
1088					np->n_size = vap->va_size;
1089			} else
1090				np->n_size = vap->va_size;
1091			uvm_vnp_setsize(vp, np->n_size);
1092		} else
1093			np->n_size = vap->va_size;
1094	}
1095	np->n_attrstamp = gettime();
1096	if (vaper != NULL((void *)0)) {
1097		bcopy(vap, vaper, sizeof(*vap));
1098		if (np->n_flag & NCHG0x0400) {
1099			if (np->n_flag & NACC0x0100)
1100				vaper->va_atime = np->n_atimn_un1.nf_atim;
1101			if (np->n_flag & NUPD0x0200)
1102				vaper->va_mtime = np->n_mtimn_un2.nf_mtim;
1103		}
1104	}
1105	return (0);
1106}
1107 
1108int
1109nfs_attrtimeo(struct nfsnode *np)
1110{
1111	struct vnode *vp = np->n_vnode;
1112	struct nfsmount *nmp = VFSTONFS(vp->v_mount)((struct nfsmount *)((vp->v_mount)->mnt_data));
1113	int tenthage = (gettime() - np->n_mtime.tv_sec) / 10;
1114	int minto, maxto;
1115 
1116	if (vp->v_type == VDIR) {
1117		maxto = nmp->nm_acdirmax;
1118		minto = nmp->nm_acdirmin;
1119	}
1120	else {
1121		maxto = nmp->nm_acregmax;
1122		minto = nmp->nm_acregmin;
1123	}
1124 
1125	if (np->n_flag & NMODIFIED0x0004 || tenthage < minto)
1126		return minto;
1127	else if (tenthage < maxto)
1128		return tenthage;
1129	else
1130		return maxto;
1131}
1132 
1133/*
1134 * Check the time stamp
1135 * If the cache is valid, copy contents to *vap and return 0
1136 * otherwise return an error
1137 */
1138int
1139nfs_getattrcache(struct vnode *vp, struct vattr *vaper)
1140{
1141	struct nfsnode *np = VTONFS(vp)((struct nfsnode *)(vp)->v_data);
1142	struct vattr *vap;
1143 
1144	if (np->n_attrstamp == 0 ||
1145	    (gettime() - np->n_attrstamp) >= nfs_attrtimeo(np)) {
1146		nfsstats.attrcache_misses++;
1147		return (ENOENT2);
1148	}
1149	nfsstats.attrcache_hits++;
1150	vap = &np->n_vattr;
1151	if (vap->va_size != np->n_size) {
1152		if (vap->va_type == VREG) {
1153			if (np->n_flag & NMODIFIED0x0004) {
1154				if (vap->va_size < np->n_size)
1155					vap->va_size = np->n_size;
1156				else
1157					np->n_size = vap->va_size;
1158			} else
1159				np->n_size = vap->va_size;
1160			uvm_vnp_setsize(vp, np->n_size);
1161		} else
1162			np->n_size = vap->va_size;
1163	}
1164	bcopy(vap, vaper, sizeof(struct vattr));
1165	if (np->n_flag & NCHG0x0400) {
1166		if (np->n_flag & NACC0x0100)
1167			vaper->va_atime = np->n_atimn_un1.nf_atim;
1168		if (np->n_flag & NUPD0x0200)
1169			vaper->va_mtime = np->n_mtimn_un2.nf_mtim;
1170	}
1171	return (0);
1172}
1173#endif /* NFSCLIENT */
1174 
1175/*
1176 * Set up nameidata for a lookup() call and do it
1177 */
1178int
1179nfs_namei(struct nameidata *ndp, fhandle_t *fhp, int len,
1180    struct nfssvc_sock *slp, struct mbuf *nam, struct mbuf **mdp,
1181    caddr_t *dposp, struct vnode **retdirp, struct proc *p)
1182{
1183	int i, rem;
1184	struct mbuf *md;
1185	char *fromcp, *tocp;
1186	struct vnode *dp;
1187	int error, rdonly;
1188	struct componentname *cnp = &ndp->ni_cnd;
1189 
1190	*retdirp = NULL((void *)0);
1191	cnp->cn_pnbuf = pool_get(&namei_pool, PR_WAITOK0x0001);
1192	/*
1193	 * Copy the name from the mbuf list to ndp->ni_pnbuf
1194	 * and set the various ndp fields appropriately.
1195	 */
1196	fromcp = *dposp;
1197	tocp = cnp->cn_pnbuf;
1198	md = *mdp;
1199	rem = mtod(md, caddr_t)((caddr_t)((md)->m_hdr.mh_data)) + md->m_lenm_hdr.mh_len - fromcp;
1200	for (i = 0; i < len; i++) {
1201		while (rem == 0) {
1202			md = md->m_nextm_hdr.mh_next;
1203			if (md == NULL((void *)0)) {
1204				error = EBADRPC72;
1205				goto out;
1206			}
1207			fromcp = mtod(md, caddr_t)((caddr_t)((md)->m_hdr.mh_data));
1208			rem = md->m_lenm_hdr.mh_len;
1209		}
1210		if (*fromcp == '\0' || *fromcp == '/') {
1211			error = EACCES13;
1212			goto out;
1213		}
1214		*tocp++ = *fromcp++;
1215		rem--;
1216	}
1217	*tocp = '\0';
1218	*mdp = md;
1219	*dposp = fromcp;
1220	len = nfsm_padlen(len)((((len)+3)&(~0x3)) - (len));
1221	if (len > 0) {
1222		if (rem >= len)
1223			*dposp += len;
1224		else if ((error = nfs_adv(mdp, dposp, len, rem)) != 0)
1225			goto out;
1226	}
1227	ndp->ni_pathlen = tocp - cnp->cn_pnbuf;
1228	cnp->cn_nameptr = cnp->cn_pnbuf;
1229	/*
1230	 * Extract and set starting directory.
1231	 */
1232	error = nfsrv_fhtovp(fhp, 0, &dp, ndp->ni_cnd.cn_cred, slp,
1233	    nam, &rdonly);
1234	if (error)
1235		goto out;
1236	if (dp->v_type != VDIR) {
1237		vrele(dp);
1238		error = ENOTDIR20;
1239		goto out;
1240	}
1241	vref(dp);
1242	*retdirp = dp;
1243	ndp->ni_startdir = dp;
1244	if (rdonly)
1245		cnp->cn_flags |= (NOCROSSMOUNT0x000100 | RDONLY0x000200);
1246	else
1247		cnp->cn_flags |= NOCROSSMOUNT0x000100;
1248 
1249	/*
1250	 * And call lookup() to do the real work
1251	 */
1252	cnp->cn_proc = p;
1253	error = vfs_lookup(ndp);
1254	if (error)
1255		goto out;
1256	/*
1257	 * Check for encountering a symbolic link
1258	 */
1259	if (cnp->cn_flags & ISSYMLINK0x010000) {
1260		if ((cnp->cn_flags & LOCKPARENT0x0008) && ndp->ni_pathlen == 1)
1261			vput(ndp->ni_dvp);
1262		else
1263			vrele(ndp->ni_dvp);
1264		vput(ndp->ni_vp);
1265		ndp->ni_vp = NULL((void *)0);
1266		error = EINVAL22;
1267		goto out;
1268	}
1269	/*
1270	 * Check for saved name request
1271	 */
1272	if (cnp->cn_flags & (SAVENAME0x000800 | SAVESTART0x001000)) {
1273		cnp->cn_flags |= HASBUF0x000400;
1274		return (0);
1275	}
1276out:
1277	pool_put(&namei_pool, cnp->cn_pnbuf);
1278	return (error);
1279}
1280 
1281/*
1282 * A fiddled version of m_adj() that ensures null fill to a long
1283 * boundary and only trims off the back end
1284 */
1285void
1286nfsm_adj(struct mbuf *mp, int len, int nul)
1287{
1288	struct mbuf *m;
1289	int count, i;
1290	char *cp;
1291 
1292	/*
1293	 * Trim from tail.  Scan the mbuf chain,
1294	 * calculating its length and finding the last mbuf.
1295	 * If the adjustment only affects this mbuf, then just
1296	 * adjust and return.  Otherwise, rescan and truncate
1297	 * after the remaining size.
1298	 */
1299	count = 0;
1300	m = mp;
1301	for (;;) {
1
Loop condition is true.  Entering loop body→
1302		count += m->m_lenm_hdr.mh_len;
1303		if (m->m_nextm_hdr.mh_next == NULL((void *)0))
2
←
Assuming field 'mh_next' is equal to NULL→
3
←
Taking true branch→
1304			break;
1305		m = m->m_nextm_hdr.mh_next;
1306	}
1307	if (m->m_lenm_hdr.mh_len > len) {
4
←
 Execution continues on line 1307→
5
←
Assuming 'len' is >= field 'mh_len'→
6
←
Taking false branch→
1308		m->m_lenm_hdr.mh_len -= len;
1309		if (nul > 0) {
1310			cp = mtod(m, caddr_t)((caddr_t)((m)->m_hdr.mh_data))+m->m_lenm_hdr.mh_len-nul;
1311			for (i = 0; i < nul; i++)
1312				*cp++ = '\0';
1313		}
1314		return;
1315	}
1316	count -= len;
1317	if (count < 0)
7
←
Assuming 'count' is >= 0→
8
←
Taking false branch→
1318		count = 0;
1319	/*
1320	 * Correct length for chain is "count".
1321	 * Find the mbuf with last data, adjust its length,
1322	 * and toss data from remaining mbufs on chain.
1323	 */
1324	for (m = mp; m; m = m->m_nextm_hdr.mh_next) {
9
←
Loop condition is true.  Entering loop body→
12
←
Null pointer value stored to 'm'→
13
←
Loop condition is false. Execution continues on line 1336→
1325		if (m->m_lenm_hdr.mh_len >= count) {
10
←
Assuming 'count' is > field 'mh_len'→
11
←
Taking false branch→
1326			m->m_lenm_hdr.mh_len = count;
1327			if (nul > 0) {
1328				cp = mtod(m, caddr_t)((caddr_t)((m)->m_hdr.mh_data))+m->m_lenm_hdr.mh_len-nul;
1329				for (i = 0; i < nul; i++)
1330					*cp++ = '\0';
1331			}
1332			break;
1333		}
1334		count -= m->m_lenm_hdr.mh_len;
1335	}
1336	for (m = m->m_nextm_hdr.mh_next;m;m = m->m_nextm_hdr.mh_next)
14
←
Dereference of null pointer
1337		m->m_lenm_hdr.mh_len = 0;
1338}
1339 
1340/*
1341 * Make these functions instead of macros, so that the kernel text size
1342 * doesn't get too big...
1343 */
1344void
1345nfsm_srvwcc(struct nfsrv_descript *nfsd, int before_ret,
1346    struct vattr *before_vap, int after_ret, struct vattr *after_vap,
1347    struct nfsm_info *info)
1348{
1349	u_int32_t *tl;
1350 
1351	if (before_ret) {
1352		tl = nfsm_build(&info->nmi_mb, NFSX_UNSIGNED4);
1353		*tl = nfs_false;
1354	} else {
1355		tl = nfsm_build(&info->nmi_mb, 7 * NFSX_UNSIGNED4);
1356		*tl++ = nfs_true;
1357		txdr_hyper(before_vap->va_size, tl)do { ((u_int32_t *)(tl))[0] = (__uint32_t)(__builtin_constant_p
((u_int32_t)((before_vap->va_size) >> 32)) ? (__uint32_t
)(((__uint32_t)((u_int32_t)((before_vap->va_size) >>
 32)) & 0xff) << 24 | ((__uint32_t)((u_int32_t)((before_vap
->va_size) >> 32)) & 0xff00) << 8 | ((__uint32_t
)((u_int32_t)((before_vap->va_size) >> 32)) & 0xff0000
) >> 8 | ((__uint32_t)((u_int32_t)((before_vap->va_size
) >> 32)) & 0xff000000) >> 24) : __swap32md((
u_int32_t)((before_vap->va_size) >> 32))); ((u_int32_t
 *)(tl))[1] = (__uint32_t)(__builtin_constant_p((u_int32_t)((
before_vap->va_size) & 0xffffffff)) ? (__uint32_t)(((__uint32_t
)((u_int32_t)((before_vap->va_size) & 0xffffffff)) &
 0xff) << 24 | ((__uint32_t)((u_int32_t)((before_vap->
va_size) & 0xffffffff)) & 0xff00) << 8 | ((__uint32_t
)((u_int32_t)((before_vap->va_size) & 0xffffffff)) &
 0xff0000) >> 8 | ((__uint32_t)((u_int32_t)((before_vap
->va_size) & 0xffffffff)) & 0xff000000) >> 24
) : __swap32md((u_int32_t)((before_vap->va_size) & 0xffffffff
))); } while (0);
1358		tl += 2;
1359		txdr_nfsv3time(&(before_vap->va_mtime), tl)do { ((struct nfsv3_time *)(tl))->nfsv3_sec = (__uint32_t)
(__builtin_constant_p((&(before_vap->va_mtime))->tv_sec
) ? (__uint32_t)(((__uint32_t)((&(before_vap->va_mtime
))->tv_sec) & 0xff) << 24 | ((__uint32_t)((&
(before_vap->va_mtime))->tv_sec) & 0xff00) <<
 8 | ((__uint32_t)((&(before_vap->va_mtime))->tv_sec
) & 0xff0000) >> 8 | ((__uint32_t)((&(before_vap
->va_mtime))->tv_sec) & 0xff000000) >> 24) : __swap32md
((&(before_vap->va_mtime))->tv_sec)); ((struct nfsv3_time
 *)(tl))->nfsv3_nsec = (__uint32_t)(__builtin_constant_p((
&(before_vap->va_mtime))->tv_nsec) ? (__uint32_t)((
(__uint32_t)((&(before_vap->va_mtime))->tv_nsec) &
 0xff) << 24 | ((__uint32_t)((&(before_vap->va_mtime
))->tv_nsec) & 0xff00) << 8 | ((__uint32_t)((&
(before_vap->va_mtime))->tv_nsec) & 0xff0000) >>
 8 | ((__uint32_t)((&(before_vap->va_mtime))->tv_nsec
) & 0xff000000) >> 24) : __swap32md((&(before_vap
->va_mtime))->tv_nsec)); } while (0);
1360		tl += 2;
1361		txdr_nfsv3time(&(before_vap->va_ctime), tl)do { ((struct nfsv3_time *)(tl))->nfsv3_sec = (__uint32_t)
(__builtin_constant_p((&(before_vap->va_ctime))->tv_sec
) ? (__uint32_t)(((__uint32_t)((&(before_vap->va_ctime
))->tv_sec) & 0xff) << 24 | ((__uint32_t)((&
(before_vap->va_ctime))->tv_sec) & 0xff00) <<
 8 | ((__uint32_t)((&(before_vap->va_ctime))->tv_sec
) & 0xff0000) >> 8 | ((__uint32_t)((&(before_vap
->va_ctime))->tv_sec) & 0xff000000) >> 24) : __swap32md
((&(before_vap->va_ctime))->tv_sec)); ((struct nfsv3_time
 *)(tl))->nfsv3_nsec = (__uint32_t)(__builtin_constant_p((
&(before_vap->va_ctime))->tv_nsec) ? (__uint32_t)((
(__uint32_t)((&(before_vap->va_ctime))->tv_nsec) &
 0xff) << 24 | ((__uint32_t)((&(before_vap->va_ctime
))->tv_nsec) & 0xff00) << 8 | ((__uint32_t)((&
(before_vap->va_ctime))->tv_nsec) & 0xff0000) >>
 8 | ((__uint32_t)((&(before_vap->va_ctime))->tv_nsec
) & 0xff000000) >> 24) : __swap32md((&(before_vap
->va_ctime))->tv_nsec)); } while (0);
1362	}
1363	nfsm_srvpostop_attr(nfsd, after_ret, after_vap, info);
1364}
1365 
1366void
1367nfsm_srvpostop_attr(struct nfsrv_descript *nfsd, int after_ret,
1368    struct vattr *after_vap, struct nfsm_info *info)
1369{
1370	u_int32_t *tl;
1371	struct nfs_fattr *fp;
1372 
1373	if (after_ret) {
1374		tl = nfsm_build(&info->nmi_mb, NFSX_UNSIGNED4);
1375		*tl = nfs_false;
1376	} else {
1377		tl = nfsm_build(&info->nmi_mb, NFSX_UNSIGNED4 + NFSX_V3FATTR84);
1378		*tl++ = nfs_true;
1379		fp = (struct nfs_fattr *)tl;
1380		nfsm_srvfattr(nfsd, after_vap, fp);
1381	}
1382}
1383 
1384void
1385nfsm_srvfattr(struct nfsrv_descript *nfsd, struct vattr *vap,
1386    struct nfs_fattr *fp)
1387{
1388 
1389	fp->fa_nlink = txdr_unsigned(vap->va_nlink)((__uint32_t)(__builtin_constant_p((int32_t)(vap->va_nlink
)) ? (__uint32_t)(((__uint32_t)((int32_t)(vap->va_nlink)) &
 0xff) << 24 | ((__uint32_t)((int32_t)(vap->va_nlink
)) & 0xff00) << 8 | ((__uint32_t)((int32_t)(vap->
va_nlink)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t
)(vap->va_nlink)) & 0xff000000) >> 24) : __swap32md
((int32_t)(vap->va_nlink))));
1390	fp->fa_uid = txdr_unsigned(vap->va_uid)((__uint32_t)(__builtin_constant_p((int32_t)(vap->va_uid))
 ? (__uint32_t)(((__uint32_t)((int32_t)(vap->va_uid)) &
 0xff) << 24 | ((__uint32_t)((int32_t)(vap->va_uid))
 & 0xff00) << 8 | ((__uint32_t)((int32_t)(vap->va_uid
)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(vap->
va_uid)) & 0xff000000) >> 24) : __swap32md((int32_t
)(vap->va_uid))));
1391	fp->fa_gid = txdr_unsigned(vap->va_gid)((__uint32_t)(__builtin_constant_p((int32_t)(vap->va_gid))
 ? (__uint32_t)(((__uint32_t)((int32_t)(vap->va_gid)) &
 0xff) << 24 | ((__uint32_t)((int32_t)(vap->va_gid))
 & 0xff00) << 8 | ((__uint32_t)((int32_t)(vap->va_gid
)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(vap->
va_gid)) & 0xff000000) >> 24) : __swap32md((int32_t
)(vap->va_gid))));
1392	if (nfsd->nd_flag & ND_NFSV30x08) {
1393		fp->fa_type = vtonfsv3_type(vap->va_type)((__uint32_t)(__builtin_constant_p((int32_t)(nfsv3_type[((int32_t
)(vap->va_type))])) ? (__uint32_t)(((__uint32_t)((int32_t)
(nfsv3_type[((int32_t)(vap->va_type))])) & 0xff) <<
 24 | ((__uint32_t)((int32_t)(nfsv3_type[((int32_t)(vap->va_type
))])) & 0xff00) << 8 | ((__uint32_t)((int32_t)(nfsv3_type
[((int32_t)(vap->va_type))])) & 0xff0000) >> 8 |
 ((__uint32_t)((int32_t)(nfsv3_type[((int32_t)(vap->va_type
))])) & 0xff000000) >> 24) : __swap32md((int32_t)(nfsv3_type
[((int32_t)(vap->va_type))]))));
1394		fp->fa_mode = vtonfsv3_mode(vap->va_mode)((__uint32_t)(__builtin_constant_p((int32_t)((vap->va_mode
) & 07777)) ? (__uint32_t)(((__uint32_t)((int32_t)((vap->
va_mode) & 07777)) & 0xff) << 24 | ((__uint32_t
)((int32_t)((vap->va_mode) & 07777)) & 0xff00) <<
 8 | ((__uint32_t)((int32_t)((vap->va_mode) & 07777)) &
 0xff0000) >> 8 | ((__uint32_t)((int32_t)((vap->va_mode
) & 07777)) & 0xff000000) >> 24) : __swap32md((
int32_t)((vap->va_mode) & 07777))));
1395		txdr_hyper(vap->va_size, &fp->fa3_size)do { ((u_int32_t *)(&fp->fa_un.fa_nfsv3.nfsv3fa_size))
[0] = (__uint32_t)(__builtin_constant_p((u_int32_t)((vap->
va_size) >> 32)) ? (__uint32_t)(((__uint32_t)((u_int32_t
)((vap->va_size) >> 32)) & 0xff) << 24 | (
(__uint32_t)((u_int32_t)((vap->va_size) >> 32)) &
 0xff00) << 8 | ((__uint32_t)((u_int32_t)((vap->va_size
) >> 32)) & 0xff0000) >> 8 | ((__uint32_t)((u_int32_t
)((vap->va_size) >> 32)) & 0xff000000) >> 24
) : __swap32md((u_int32_t)((vap->va_size) >> 32))); (
(u_int32_t *)(&fp->fa_un.fa_nfsv3.nfsv3fa_size))[1] = (
__uint32_t)(__builtin_constant_p((u_int32_t)((vap->va_size
) & 0xffffffff)) ? (__uint32_t)(((__uint32_t)((u_int32_t)
((vap->va_size) & 0xffffffff)) & 0xff) << 24
 | ((__uint32_t)((u_int32_t)((vap->va_size) & 0xffffffff
)) & 0xff00) << 8 | ((__uint32_t)((u_int32_t)((vap->
va_size) & 0xffffffff)) & 0xff0000) >> 8 | ((__uint32_t
)((u_int32_t)((vap->va_size) & 0xffffffff)) & 0xff000000
) >> 24) : __swap32md((u_int32_t)((vap->va_size) &
 0xffffffff))); } while (0);
1396		txdr_hyper(vap->va_bytes, &fp->fa3_used)do { ((u_int32_t *)(&fp->fa_un.fa_nfsv3.nfsv3fa_used))
[0] = (__uint32_t)(__builtin_constant_p((u_int32_t)((vap->
va_bytes) >> 32)) ? (__uint32_t)(((__uint32_t)((u_int32_t
)((vap->va_bytes) >> 32)) & 0xff) << 24 | (
(__uint32_t)((u_int32_t)((vap->va_bytes) >> 32)) &
 0xff00) << 8 | ((__uint32_t)((u_int32_t)((vap->va_bytes
) >> 32)) & 0xff0000) >> 8 | ((__uint32_t)((u_int32_t
)((vap->va_bytes) >> 32)) & 0xff000000) >>
 24) : __swap32md((u_int32_t)((vap->va_bytes) >> 32)
)); ((u_int32_t *)(&fp->fa_un.fa_nfsv3.nfsv3fa_used))[
1] = (__uint32_t)(__builtin_constant_p((u_int32_t)((vap->va_bytes
) & 0xffffffff)) ? (__uint32_t)(((__uint32_t)((u_int32_t)
((vap->va_bytes) & 0xffffffff)) & 0xff) << 24
 | ((__uint32_t)((u_int32_t)((vap->va_bytes) & 0xffffffff
)) & 0xff00) << 8 | ((__uint32_t)((u_int32_t)((vap->
va_bytes) & 0xffffffff)) & 0xff0000) >> 8 | ((__uint32_t
)((u_int32_t)((vap->va_bytes) & 0xffffffff)) & 0xff000000
) >> 24) : __swap32md((u_int32_t)((vap->va_bytes) &
 0xffffffff))); } while (0);
1397		fp->fa3_rdevfa_un.fa_nfsv3.nfsv3fa_rdev.specdata1 = txdr_unsigned(major(vap->va_rdev))((__uint32_t)(__builtin_constant_p((int32_t)((((unsigned)(vap
->va_rdev) >> 8) & 0xff))) ? (__uint32_t)(((__uint32_t
)((int32_t)((((unsigned)(vap->va_rdev) >> 8) & 0xff
))) & 0xff) << 24 | ((__uint32_t)((int32_t)((((unsigned
)(vap->va_rdev) >> 8) & 0xff))) & 0xff00) <<
 8 | ((__uint32_t)((int32_t)((((unsigned)(vap->va_rdev) >>
 8) & 0xff))) & 0xff0000) >> 8 | ((__uint32_t)(
(int32_t)((((unsigned)(vap->va_rdev) >> 8) & 0xff
))) & 0xff000000) >> 24) : __swap32md((int32_t)((((
unsigned)(vap->va_rdev) >> 8) & 0xff)))));
1398		fp->fa3_rdevfa_un.fa_nfsv3.nfsv3fa_rdev.specdata2 = txdr_unsigned(minor(vap->va_rdev))((__uint32_t)(__builtin_constant_p((int32_t)(((unsigned)((vap
->va_rdev) & 0xff) | (((vap->va_rdev) & 0xffff0000
) >> 8)))) ? (__uint32_t)(((__uint32_t)((int32_t)(((unsigned
)((vap->va_rdev) & 0xff) | (((vap->va_rdev) & 0xffff0000
) >> 8)))) & 0xff) << 24 | ((__uint32_t)((int32_t
)(((unsigned)((vap->va_rdev) & 0xff) | (((vap->va_rdev
) & 0xffff0000) >> 8)))) & 0xff00) << 8 |
 ((__uint32_t)((int32_t)(((unsigned)((vap->va_rdev) & 0xff
) | (((vap->va_rdev) & 0xffff0000) >> 8)))) &
 0xff0000) >> 8 | ((__uint32_t)((int32_t)(((unsigned)((
vap->va_rdev) & 0xff) | (((vap->va_rdev) & 0xffff0000
) >> 8)))) & 0xff000000) >> 24) : __swap32md(
(int32_t)(((unsigned)((vap->va_rdev) & 0xff) | (((vap->
va_rdev) & 0xffff0000) >> 8))))));
1399		fp->fa3_fsidfa_un.fa_nfsv3.nfsv3fa_fsid.nfsuquad[0] = 0;
1400		fp->fa3_fsidfa_un.fa_nfsv3.nfsv3fa_fsid.nfsuquad[1] = txdr_unsigned(vap->va_fsid)((__uint32_t)(__builtin_constant_p((int32_t)(vap->va_fsid)
) ? (__uint32_t)(((__uint32_t)((int32_t)(vap->va_fsid)) &
 0xff) << 24 | ((__uint32_t)((int32_t)(vap->va_fsid)
) & 0xff00) << 8 | ((__uint32_t)((int32_t)(vap->
va_fsid)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t
)(vap->va_fsid)) & 0xff000000) >> 24) : __swap32md
((int32_t)(vap->va_fsid))));
1401		txdr_hyper(vap->va_fileid, &fp->fa3_fileid)do { ((u_int32_t *)(&fp->fa_un.fa_nfsv3.nfsv3fa_fileid
))[0] = (__uint32_t)(__builtin_constant_p((u_int32_t)((vap->
va_fileid) >> 32)) ? (__uint32_t)(((__uint32_t)((u_int32_t
)((vap->va_fileid) >> 32)) & 0xff) << 24 |
 ((__uint32_t)((u_int32_t)((vap->va_fileid) >> 32)) &
 0xff00) << 8 | ((__uint32_t)((u_int32_t)((vap->va_fileid
) >> 32)) & 0xff0000) >> 8 | ((__uint32_t)((u_int32_t
)((vap->va_fileid) >> 32)) & 0xff000000) >>
 24) : __swap32md((u_int32_t)((vap->va_fileid) >> 32
))); ((u_int32_t *)(&fp->fa_un.fa_nfsv3.nfsv3fa_fileid
))[1] = (__uint32_t)(__builtin_constant_p((u_int32_t)((vap->
va_fileid) & 0xffffffff)) ? (__uint32_t)(((__uint32_t)((u_int32_t
)((vap->va_fileid) & 0xffffffff)) & 0xff) <<
 24 | ((__uint32_t)((u_int32_t)((vap->va_fileid) & 0xffffffff
)) & 0xff00) << 8 | ((__uint32_t)((u_int32_t)((vap->
va_fileid) & 0xffffffff)) & 0xff0000) >> 8 | ((
__uint32_t)((u_int32_t)((vap->va_fileid) & 0xffffffff)
) & 0xff000000) >> 24) : __swap32md((u_int32_t)((vap
->va_fileid) & 0xffffffff))); } while (0);
1402		txdr_nfsv3time(&vap->va_atime, &fp->fa3_atime)do { ((struct nfsv3_time *)(&fp->fa_un.fa_nfsv3.nfsv3fa_atime
))->nfsv3_sec = (__uint32_t)(__builtin_constant_p((&vap
->va_atime)->tv_sec) ? (__uint32_t)(((__uint32_t)((&
vap->va_atime)->tv_sec) & 0xff) << 24 | ((__uint32_t
)((&vap->va_atime)->tv_sec) & 0xff00) << 8
 | ((__uint32_t)((&vap->va_atime)->tv_sec) & 0xff0000
) >> 8 | ((__uint32_t)((&vap->va_atime)->tv_sec
) & 0xff000000) >> 24) : __swap32md((&vap->va_atime
)->tv_sec)); ((struct nfsv3_time *)(&fp->fa_un.fa_nfsv3
.nfsv3fa_atime))->nfsv3_nsec = (__uint32_t)(__builtin_constant_p
((&vap->va_atime)->tv_nsec) ? (__uint32_t)(((__uint32_t
)((&vap->va_atime)->tv_nsec) & 0xff) << 24
 | ((__uint32_t)((&vap->va_atime)->tv_nsec) & 0xff00
) << 8 | ((__uint32_t)((&vap->va_atime)->tv_nsec
) & 0xff0000) >> 8 | ((__uint32_t)((&vap->va_atime
)->tv_nsec) & 0xff000000) >> 24) : __swap32md((&
vap->va_atime)->tv_nsec)); } while (0);
1403		txdr_nfsv3time(&vap->va_mtime, &fp->fa3_mtime)do { ((struct nfsv3_time *)(&fp->fa_un.fa_nfsv3.nfsv3fa_mtime
))->nfsv3_sec = (__uint32_t)(__builtin_constant_p((&vap
->va_mtime)->tv_sec) ? (__uint32_t)(((__uint32_t)((&
vap->va_mtime)->tv_sec) & 0xff) << 24 | ((__uint32_t
)((&vap->va_mtime)->tv_sec) & 0xff00) << 8
 | ((__uint32_t)((&vap->va_mtime)->tv_sec) & 0xff0000
) >> 8 | ((__uint32_t)((&vap->va_mtime)->tv_sec
) & 0xff000000) >> 24) : __swap32md((&vap->va_mtime
)->tv_sec)); ((struct nfsv3_time *)(&fp->fa_un.fa_nfsv3
.nfsv3fa_mtime))->nfsv3_nsec = (__uint32_t)(__builtin_constant_p
((&vap->va_mtime)->tv_nsec) ? (__uint32_t)(((__uint32_t
)((&vap->va_mtime)->tv_nsec) & 0xff) << 24
 | ((__uint32_t)((&vap->va_mtime)->tv_nsec) & 0xff00
) << 8 | ((__uint32_t)((&vap->va_mtime)->tv_nsec
) & 0xff0000) >> 8 | ((__uint32_t)((&vap->va_mtime
)->tv_nsec) & 0xff000000) >> 24) : __swap32md((&
vap->va_mtime)->tv_nsec)); } while (0);
1404		txdr_nfsv3time(&vap->va_ctime, &fp->fa3_ctime)do { ((struct nfsv3_time *)(&fp->fa_un.fa_nfsv3.nfsv3fa_ctime
))->nfsv3_sec = (__uint32_t)(__builtin_constant_p((&vap
->va_ctime)->tv_sec) ? (__uint32_t)(((__uint32_t)((&
vap->va_ctime)->tv_sec) & 0xff) << 24 | ((__uint32_t
)((&vap->va_ctime)->tv_sec) & 0xff00) << 8
 | ((__uint32_t)((&vap->va_ctime)->tv_sec) & 0xff0000
) >> 8 | ((__uint32_t)((&vap->va_ctime)->tv_sec
) & 0xff000000) >> 24) : __swap32md((&vap->va_ctime
)->tv_sec)); ((struct nfsv3_time *)(&fp->fa_un.fa_nfsv3
.nfsv3fa_ctime))->nfsv3_nsec = (__uint32_t)(__builtin_constant_p
((&vap->va_ctime)->tv_nsec) ? (__uint32_t)(((__uint32_t
)((&vap->va_ctime)->tv_nsec) & 0xff) << 24
 | ((__uint32_t)((&vap->va_ctime)->tv_nsec) & 0xff00
) << 8 | ((__uint32_t)((&vap->va_ctime)->tv_nsec
) & 0xff0000) >> 8 | ((__uint32_t)((&vap->va_ctime
)->tv_nsec) & 0xff000000) >> 24) : __swap32md((&
vap->va_ctime)->tv_nsec)); } while (0);
1405	} else {
1406		fp->fa_type = vtonfsv2_type(vap->va_type)((__uint32_t)(__builtin_constant_p((int32_t)(nfsv2_type[((int32_t
)(vap->va_type))])) ? (__uint32_t)(((__uint32_t)((int32_t)
(nfsv2_type[((int32_t)(vap->va_type))])) & 0xff) <<
 24 | ((__uint32_t)((int32_t)(nfsv2_type[((int32_t)(vap->va_type
))])) & 0xff00) << 8 | ((__uint32_t)((int32_t)(nfsv2_type
[((int32_t)(vap->va_type))])) & 0xff0000) >> 8 |
 ((__uint32_t)((int32_t)(nfsv2_type[((int32_t)(vap->va_type
))])) & 0xff000000) >> 24) : __swap32md((int32_t)(nfsv2_type
[((int32_t)(vap->va_type))]))));
1407		fp->fa_mode = vtonfsv2_mode(vap->va_type, vap->va_mode)((__uint32_t)(__builtin_constant_p((int32_t)(((vap->va_type
) == VFIFO) ? (int)((vttoif_tab[(int)(VCHR)]) | ((vap->va_mode
))) : (int)((vttoif_tab[(int)((vap->va_type))]) | ((vap->
va_mode))))) ? (__uint32_t)(((__uint32_t)((int32_t)(((vap->
va_type) == VFIFO) ? (int)((vttoif_tab[(int)(VCHR)]) | ((vap->
va_mode))) : (int)((vttoif_tab[(int)((vap->va_type))]) | (
(vap->va_mode))))) & 0xff) << 24 | ((__uint32_t)
((int32_t)(((vap->va_type) == VFIFO) ? (int)((vttoif_tab[(
int)(VCHR)]) | ((vap->va_mode))) : (int)((vttoif_tab[(int)
((vap->va_type))]) | ((vap->va_mode))))) & 0xff00) <<
 8 | ((__uint32_t)((int32_t)(((vap->va_type) == VFIFO) ? (
int)((vttoif_tab[(int)(VCHR)]) | ((vap->va_mode))) : (int)
((vttoif_tab[(int)((vap->va_type))]) | ((vap->va_mode))
))) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(((vap
->va_type) == VFIFO) ? (int)((vttoif_tab[(int)(VCHR)]) | (
(vap->va_mode))) : (int)((vttoif_tab[(int)((vap->va_type
))]) | ((vap->va_mode))))) & 0xff000000) >> 24) :
 __swap32md((int32_t)(((vap->va_type) == VFIFO) ? (int)((vttoif_tab
[(int)(VCHR)]) | ((vap->va_mode))) : (int)((vttoif_tab[(int
)((vap->va_type))]) | ((vap->va_mode)))))));
1408		fp->fa2_sizefa_un.fa_nfsv2.nfsv2fa_size = txdr_unsigned(vap->va_size)((__uint32_t)(__builtin_constant_p((int32_t)(vap->va_size)
) ? (__uint32_t)(((__uint32_t)((int32_t)(vap->va_size)) &
 0xff) << 24 | ((__uint32_t)((int32_t)(vap->va_size)
) & 0xff00) << 8 | ((__uint32_t)((int32_t)(vap->
va_size)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t
)(vap->va_size)) & 0xff000000) >> 24) : __swap32md
((int32_t)(vap->va_size))));
1409		fp->fa2_blocksizefa_un.fa_nfsv2.nfsv2fa_blocksize = txdr_unsigned(vap->va_blocksize)((__uint32_t)(__builtin_constant_p((int32_t)(vap->va_blocksize
)) ? (__uint32_t)(((__uint32_t)((int32_t)(vap->va_blocksize
)) & 0xff) << 24 | ((__uint32_t)((int32_t)(vap->
va_blocksize)) & 0xff00) << 8 | ((__uint32_t)((int32_t
)(vap->va_blocksize)) & 0xff0000) >> 8 | ((__uint32_t
)((int32_t)(vap->va_blocksize)) & 0xff000000) >>
 24) : __swap32md((int32_t)(vap->va_blocksize))));
1410		if (vap->va_type == VFIFO)
1411			fp->fa2_rdevfa_un.fa_nfsv2.nfsv2fa_rdev = 0xffffffff;
1412		else
1413			fp->fa2_rdevfa_un.fa_nfsv2.nfsv2fa_rdev = txdr_unsigned(vap->va_rdev)((__uint32_t)(__builtin_constant_p((int32_t)(vap->va_rdev)
) ? (__uint32_t)(((__uint32_t)((int32_t)(vap->va_rdev)) &
 0xff) << 24 | ((__uint32_t)((int32_t)(vap->va_rdev)
) & 0xff00) << 8 | ((__uint32_t)((int32_t)(vap->
va_rdev)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t
)(vap->va_rdev)) & 0xff000000) >> 24) : __swap32md
((int32_t)(vap->va_rdev))));
1414		fp->fa2_blocksfa_un.fa_nfsv2.nfsv2fa_blocks = txdr_unsigned(vap->va_bytes / NFS_FABLKSIZE)((__uint32_t)(__builtin_constant_p((int32_t)(vap->va_bytes
 / 512)) ? (__uint32_t)(((__uint32_t)((int32_t)(vap->va_bytes
 / 512)) & 0xff) << 24 | ((__uint32_t)((int32_t)(vap
->va_bytes / 512)) & 0xff00) << 8 | ((__uint32_t
)((int32_t)(vap->va_bytes / 512)) & 0xff0000) >>
 8 | ((__uint32_t)((int32_t)(vap->va_bytes / 512)) & 0xff000000
) >> 24) : __swap32md((int32_t)(vap->va_bytes / 512)
)));
1415		fp->fa2_fsidfa_un.fa_nfsv2.nfsv2fa_fsid = txdr_unsigned(vap->va_fsid)((__uint32_t)(__builtin_constant_p((int32_t)(vap->va_fsid)
) ? (__uint32_t)(((__uint32_t)((int32_t)(vap->va_fsid)) &
 0xff) << 24 | ((__uint32_t)((int32_t)(vap->va_fsid)
) & 0xff00) << 8 | ((__uint32_t)((int32_t)(vap->
va_fsid)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t
)(vap->va_fsid)) & 0xff000000) >> 24) : __swap32md
((int32_t)(vap->va_fsid))));
1416		fp->fa2_fileidfa_un.fa_nfsv2.nfsv2fa_fileid = txdr_unsigned((u_int32_t)vap->va_fileid)((__uint32_t)(__builtin_constant_p((int32_t)((u_int32_t)vap->
va_fileid)) ? (__uint32_t)(((__uint32_t)((int32_t)((u_int32_t
)vap->va_fileid)) & 0xff) << 24 | ((__uint32_t)(
(int32_t)((u_int32_t)vap->va_fileid)) & 0xff00) <<
 8 | ((__uint32_t)((int32_t)((u_int32_t)vap->va_fileid)) &
 0xff0000) >> 8 | ((__uint32_t)((int32_t)((u_int32_t)vap
->va_fileid)) & 0xff000000) >> 24) : __swap32md(
(int32_t)((u_int32_t)vap->va_fileid))));
1417		txdr_nfsv2time(&vap->va_atime, &fp->fa2_atimefa_un.fa_nfsv2.nfsv2fa_atime);
1418		txdr_nfsv2time(&vap->va_mtime, &fp->fa2_mtimefa_un.fa_nfsv2.nfsv2fa_mtime);
1419		txdr_nfsv2time(&vap->va_ctime, &fp->fa2_ctimefa_un.fa_nfsv2.nfsv2fa_ctime);
1420	}
1421}
1422 
1423/*
1424 * nfsrv_fhtovp() - convert a fh to a vnode ptr (optionally locked)
1425 * 	- look up fsid in mount list (if not found ret error)
1426 *	- get vp and export rights by calling VFS_FHTOVP() and VFS_CHECKEXP()
1427 *	- if cred->cr_uid == 0 or MNT_EXPORTANON set it to credanon
1428 *	- if not lockflag unlock it with VOP_UNLOCK()
1429 */
1430int
1431nfsrv_fhtovp(fhandle_t *fhp, int lockflag, struct vnode **vpp,
1432    struct ucred *cred, struct nfssvc_sock *slp, struct mbuf *nam,
1433    int *rdonlyp)
1434{
1435	struct mount *mp;
1436	int i;
1437	struct ucred *credanon;
1438	int error, exflags;
1439	struct sockaddr_in *saddr;
1440 
1441	*vpp = NULL((void *)0);
1442	mp = vfs_getvfs(&fhp->fh_fsid);
1443 
1444	if (!mp)
1445		return (ESTALE70);
1446	error = VFS_CHECKEXP(mp, nam, &exflags, &credanon)(*(mp)->mnt_op->vfs_checkexp)(mp, nam, &exflags, &
credanon);
1447	if (error)
1448		return (error);
1449	error = VFS_FHTOVP(mp, &fhp->fh_fid, vpp)(*(mp)->mnt_op->vfs_fhtovp)(mp, &fhp->fh_fid, vpp
);
1450	if (error)
1451		return (error);
1452 
1453	saddr = mtod(nam, struct sockaddr_in *)((struct sockaddr_in *)((nam)->m_hdr.mh_data));
1454	if (saddr->sin_family == AF_INET2 &&
1455	    (ntohs(saddr->sin_port)(__uint16_t)(__builtin_constant_p(saddr->sin_port) ? (__uint16_t
)(((__uint16_t)(saddr->sin_port) & 0xffU) << 8 |
 ((__uint16_t)(saddr->sin_port) & 0xff00U) >> 8)
 : __swap16md(saddr->sin_port)) >= IPPORT_RESERVED1024 ||
1456	    (slp->ns_so->so_type == SOCK_STREAM1 && ntohs(saddr->sin_port)(__uint16_t)(__builtin_constant_p(saddr->sin_port) ? (__uint16_t
)(((__uint16_t)(saddr->sin_port) & 0xffU) << 8 |
 ((__uint16_t)(saddr->sin_port) & 0xff00U) >> 8)
 : __swap16md(saddr->sin_port)) == 20))) {
1457		vput(*vpp);
1458		return (NFSERR_AUTHERR0x40000000 | AUTH_TOOWEAK5);
1459	}
1460 
1461	/* Check/setup credentials. */
1462	if (cred->cr_uid == 0 || (exflags & MNT_EXPORTANON0x00000400)) {
1463		cred->cr_uid = credanon->cr_uid;
1464		cred->cr_gid = credanon->cr_gid;
1465		for (i = 0; i < credanon->cr_ngroups && i < NGROUPS_MAX16; i++)
1466			cred->cr_groups[i] = credanon->cr_groups[i];
1467		cred->cr_ngroups = i;
1468	}
1469	if (exflags & MNT_EXRDONLY0x00000080)
1470		*rdonlyp = 1;
1471	else
1472		*rdonlyp = 0;
1473	if (!lockflag)
1474		VOP_UNLOCK(*vpp);
1475 
1476	return (0);
1477}
1478 
1479/*
1480 * This function compares two net addresses by family and returns non zero
1481 * if they are the same host, or if there is any doubt it returns 0.
1482 * The AF_INET family is handled as a special case so that address mbufs
1483 * don't need to be saved to store "struct in_addr", which is only 4 bytes.
1484 */
1485int
1486netaddr_match(int family, union nethostaddr *haddr, struct mbuf *nam)
1487{
1488	struct sockaddr_in *inetaddr;
1489 
1490	switch (family) {
1491	case AF_INET2:
1492		inetaddr = mtod(nam, struct sockaddr_in *)((struct sockaddr_in *)((nam)->m_hdr.mh_data));
1493		if (inetaddr->sin_family == AF_INET2 &&
1494		    inetaddr->sin_addr.s_addr == haddr->had_inetaddr)
1495			return (1);
1496		break;
1497	default:
1498		break;
1499	};
1500	return (0);
1501}
1502 
1503/*
1504 * The write verifier has changed (probably due to a server reboot), so all
1505 * B_NEEDCOMMIT blocks will have to be written again. Since they are on the
1506 * dirty block list as B_DELWRI, all this takes is clearing the B_NEEDCOMMIT
1507 * flag. Once done the new write verifier can be set for the mount point.
1508 */
1509void
1510nfs_clearcommit(struct mount *mp)
1511{
1512	struct vnode *vp;
1513	struct buf *bp;
1514	int s;
1515 
1516	s = splbio()splraise(0x3);
1517loop:
1518	TAILQ_FOREACH(vp, &mp->mnt_vnodelist, v_mntvnodes)for((vp) = ((&mp->mnt_vnodelist)->tqh_first); (vp) !=
 ((void *)0); (vp) = ((vp)->v_mntvnodes.tqe_next)) {
1519		if (vp->v_mount != mp)	/* Paranoia */
1520			goto loop;
1521		LIST_FOREACH(bp, &vp->v_dirtyblkhd, b_vnbufs)for((bp) = ((&vp->v_dirtyblkhd)->lh_first); (bp)!= (
(void *)0); (bp) = ((bp)->b_vnbufs.le_next)) {
1522			if ((bp->b_flags & (B_BUSY0x00000010 | B_DELWRI0x00000080 | B_NEEDCOMMIT0x00000002))
1523			    == (B_DELWRI0x00000080 | B_NEEDCOMMIT0x00000002))
1524				bp->b_flags &= ~B_NEEDCOMMIT0x00000002;
1525		}
1526	}
1527	splx(s)spllower(s);
1528}
1529 
1530void
1531nfs_merge_commit_ranges(struct vnode *vp)
1532{
1533	struct nfsnode *np = VTONFS(vp)((struct nfsnode *)(vp)->v_data);
1534 
1535	if (!(np->n_commitflags & NFS_COMMIT_PUSHED_VALID0x0002)) {
1536		np->n_pushedlo = np->n_pushlo;
1537		np->n_pushedhi = np->n_pushhi;
1538		np->n_commitflags |= NFS_COMMIT_PUSHED_VALID0x0002;
1539	} else {
1540		if (np->n_pushlo < np->n_pushedlo)
1541			np->n_pushedlo = np->n_pushlo;
1542		if (np->n_pushhi > np->n_pushedhi)
1543			np->n_pushedhi = np->n_pushhi;
1544	}
1545 
1546	np->n_pushlo = np->n_pushhi = 0;
1547	np->n_commitflags &= ~NFS_COMMIT_PUSH_VALID0x0001;
1548}
1549 
1550int
1551nfs_in_committed_range(struct vnode *vp, struct buf *bp)
1552{
1553	struct nfsnode *np = VTONFS(vp)((struct nfsnode *)(vp)->v_data);
1554	off_t lo, hi;
1555 
1556	if (!(np->n_commitflags & NFS_COMMIT_PUSHED_VALID0x0002))
1557		return 0;
1558	lo = (off_t)bp->b_blkno * DEV_BSIZE(1 << 9);
1559	hi = lo + bp->b_dirtyend;
1560 
1561	return (lo >= np->n_pushedlo && hi <= np->n_pushedhi);
1562}
1563 
1564int
1565nfs_in_tobecommitted_range(struct vnode *vp, struct buf *bp)
1566{
1567	struct nfsnode *np = VTONFS(vp)((struct nfsnode *)(vp)->v_data);
1568	off_t lo, hi;
1569 
1570	if (!(np->n_commitflags & NFS_COMMIT_PUSH_VALID0x0001))
1571		return 0;
1572	lo = (off_t)bp->b_blkno * DEV_BSIZE(1 << 9);
1573	hi = lo + bp->b_dirtyend;
1574 
1575	return (lo >= np->n_pushlo && hi <= np->n_pushhi);
1576}
1577 
1578void
1579nfs_add_committed_range(struct vnode *vp, struct buf *bp)
1580{
1581	struct nfsnode *np = VTONFS(vp)((struct nfsnode *)(vp)->v_data);
1582	off_t lo, hi;
1583 
1584	lo = (off_t)bp->b_blkno * DEV_BSIZE(1 << 9);
1585	hi = lo + bp->b_dirtyend;
1586 
1587	if (!(np->n_commitflags & NFS_COMMIT_PUSHED_VALID0x0002)) {
1588		np->n_pushedlo = lo;
1589		np->n_pushedhi = hi;
1590		np->n_commitflags |= NFS_COMMIT_PUSHED_VALID0x0002;
1591	} else {
1592		if (hi > np->n_pushedhi)
1593			np->n_pushedhi = hi;
1594		if (lo < np->n_pushedlo)
1595			np->n_pushedlo = lo;
1596	}
1597}
1598 
1599void
1600nfs_del_committed_range(struct vnode *vp, struct buf *bp)
1601{
1602	struct nfsnode *np = VTONFS(vp)((struct nfsnode *)(vp)->v_data);
1603	off_t lo, hi;
1604 
1605	if (!(np->n_commitflags & NFS_COMMIT_PUSHED_VALID0x0002))
1606		return;
1607 
1608	lo = (off_t)bp->b_blkno * DEV_BSIZE(1 << 9);
1609	hi = lo + bp->b_dirtyend;
1610 
1611	if (lo > np->n_pushedhi || hi < np->n_pushedlo)
1612		return;
1613	if (lo <= np->n_pushedlo)
1614		np->n_pushedlo = hi;
1615	else if (hi >= np->n_pushedhi)
1616		np->n_pushedhi = lo;
1617	else {
1618		/*
1619		 * XXX There's only one range. If the deleted range
1620		 * is in the middle, pick the largest of the
1621		 * contiguous ranges that it leaves.
1622		 */
1623		if ((np->n_pushedlo - lo) > (hi - np->n_pushedhi))
1624			np->n_pushedhi = lo;
1625		else
1626			np->n_pushedlo = hi;
1627	}
1628}
1629 
1630void
1631nfs_add_tobecommitted_range(struct vnode *vp, struct buf *bp)
1632{
1633	struct nfsnode *np = VTONFS(vp)((struct nfsnode *)(vp)->v_data);
1634	off_t lo, hi;
1635 
1636	lo = (off_t)bp->b_blkno * DEV_BSIZE(1 << 9);
1637	hi = lo + bp->b_dirtyend;
1638 
1639	if (!(np->n_commitflags & NFS_COMMIT_PUSH_VALID0x0001)) {
1640		np->n_pushlo = lo;
1641		np->n_pushhi = hi;
1642		np->n_commitflags |= NFS_COMMIT_PUSH_VALID0x0001;
1643	} else {
1644		if (lo < np->n_pushlo)
1645			np->n_pushlo = lo;
1646		if (hi > np->n_pushhi)
1647			np->n_pushhi = hi;
1648	}
1649}
1650 
1651void
1652nfs_del_tobecommitted_range(struct vnode *vp, struct buf *bp)
1653{
1654	struct nfsnode *np = VTONFS(vp)((struct nfsnode *)(vp)->v_data);
1655	off_t lo, hi;
1656 
1657	if (!(np->n_commitflags & NFS_COMMIT_PUSH_VALID0x0001))
1658		return;
1659 
1660	lo = (off_t)bp->b_blkno * DEV_BSIZE(1 << 9);
1661	hi = lo + bp->b_dirtyend;
1662 
1663	if (lo > np->n_pushhi || hi < np->n_pushlo)
1664		return;
1665 
1666	if (lo <= np->n_pushlo)
1667		np->n_pushlo = hi;
1668	else if (hi >= np->n_pushhi)
1669		np->n_pushhi = lo;
1670	else {
1671		/*
1672		 * XXX There's only one range. If the deleted range
1673		 * is in the middle, pick the largest of the
1674		 * contiguous ranges that it leaves.
1675		 */
1676		if ((np->n_pushlo - lo) > (hi - np->n_pushhi))
1677			np->n_pushhi = lo;
1678		else
1679			np->n_pushlo = hi;
1680	}
1681}
1682 
1683/*
1684 * Map errnos to NFS error numbers. For Version 3 also filter out error
1685 * numbers not specified for the associated procedure.
1686 */
1687int
1688nfsrv_errmap(struct nfsrv_descript *nd, int err)
1689{
1690	short *defaulterrp, *errp;
1691 
1692	if (nd->nd_flag & ND_NFSV30x08) {
1693	    if (nd->nd_procnum <= NFSPROC_COMMIT21) {
1694		errp = defaulterrp = nfsrv_v3errmap[nd->nd_procnum];
1695		while (*++errp) {
1696			if (*errp == err)
1697				return (err);
1698			else if (*errp > err)
1699				break;
1700		}
1701		return ((int)*defaulterrp);
1702	    } else
1703		return (err & 0xffff);
1704	}
1705	if (err <= nitems(nfsrv_v2errmap)(sizeof((nfsrv_v2errmap)) / sizeof((nfsrv_v2errmap)[0])))
1706		return ((int)nfsrv_v2errmap[err - 1]);
1707	return (NFSERR_IO5);
1708}
1709 
1710/*
1711 * If full is non zero, set all fields, otherwise just set mode and time fields
1712 */
1713void
1714nfsm_v3attrbuild(struct mbuf **mp, struct vattr *a, int full)
1715{
1716	struct mbuf *mb;
1717	u_int32_t *tl;
1718 
1719	mb = *mp;
1720 
1721	if (a->va_mode != (mode_t)VNOVAL(-1)) {
1722		tl = nfsm_build(&mb, 2 * NFSX_UNSIGNED4);
1723		*tl++ = nfs_true;
1724		*tl = txdr_unsigned(a->va_mode)((__uint32_t)(__builtin_constant_p((int32_t)(a->va_mode)) ?
 (__uint32_t)(((__uint32_t)((int32_t)(a->va_mode)) & 0xff
) << 24 | ((__uint32_t)((int32_t)(a->va_mode)) &
 0xff00) << 8 | ((__uint32_t)((int32_t)(a->va_mode))
 & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(a->va_mode
)) & 0xff000000) >> 24) : __swap32md((int32_t)(a->
va_mode))));
1725	} else {
1726		tl = nfsm_build(&mb, NFSX_UNSIGNED4);
1727		*tl = nfs_false;
1728	}
1729	if (full && a->va_uid != (uid_t)VNOVAL(-1)) {
1730		tl = nfsm_build(&mb, 2 * NFSX_UNSIGNED4);
1731		*tl++ = nfs_true;
1732		*tl = txdr_unsigned(a->va_uid)((__uint32_t)(__builtin_constant_p((int32_t)(a->va_uid)) ?
 (__uint32_t)(((__uint32_t)((int32_t)(a->va_uid)) & 0xff
) << 24 | ((__uint32_t)((int32_t)(a->va_uid)) & 0xff00
) << 8 | ((__uint32_t)((int32_t)(a->va_uid)) & 0xff0000
) >> 8 | ((__uint32_t)((int32_t)(a->va_uid)) & 0xff000000
) >> 24) : __swap32md((int32_t)(a->va_uid))));
1733	} else {
1734		tl = nfsm_build(&mb, NFSX_UNSIGNED4);
1735		*tl = nfs_false;
1736	}
1737	if (full && a->va_gid != (gid_t)VNOVAL(-1)) {
1738		tl = nfsm_build(&mb, 2 * NFSX_UNSIGNED4);
1739		*tl++ = nfs_true;
1740		*tl = txdr_unsigned((a)->va_gid)((__uint32_t)(__builtin_constant_p((int32_t)((a)->va_gid))
 ? (__uint32_t)(((__uint32_t)((int32_t)((a)->va_gid)) &
 0xff) << 24 | ((__uint32_t)((int32_t)((a)->va_gid))
 & 0xff00) << 8 | ((__uint32_t)((int32_t)((a)->va_gid
)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)((a)->
va_gid)) & 0xff000000) >> 24) : __swap32md((int32_t
)((a)->va_gid))));
1741	} else {
1742		tl = nfsm_build(&mb, NFSX_UNSIGNED4);
1743		*tl = nfs_false;
1744	}
1745	if (full && a->va_size != VNOVAL(-1)) {
1746		tl = nfsm_build(&mb, 3 * NFSX_UNSIGNED4);
1747		*tl++ = nfs_true;
1748		txdr_hyper(a->va_size, tl)do { ((u_int32_t *)(tl))[0] = (__uint32_t)(__builtin_constant_p
((u_int32_t)((a->va_size) >> 32)) ? (__uint32_t)(((__uint32_t
)((u_int32_t)((a->va_size) >> 32)) & 0xff) <<
 24 | ((__uint32_t)((u_int32_t)((a->va_size) >> 32))
 & 0xff00) << 8 | ((__uint32_t)((u_int32_t)((a->
va_size) >> 32)) & 0xff0000) >> 8 | ((__uint32_t
)((u_int32_t)((a->va_size) >> 32)) & 0xff000000)
 >> 24) : __swap32md((u_int32_t)((a->va_size) >>
 32))); ((u_int32_t *)(tl))[1] = (__uint32_t)(__builtin_constant_p
((u_int32_t)((a->va_size) & 0xffffffff)) ? (__uint32_t
)(((__uint32_t)((u_int32_t)((a->va_size) & 0xffffffff)
) & 0xff) << 24 | ((__uint32_t)((u_int32_t)((a->
va_size) & 0xffffffff)) & 0xff00) << 8 | ((__uint32_t
)((u_int32_t)((a->va_size) & 0xffffffff)) & 0xff0000
) >> 8 | ((__uint32_t)((u_int32_t)((a->va_size) &
 0xffffffff)) & 0xff000000) >> 24) : __swap32md((u_int32_t
)((a->va_size) & 0xffffffff))); } while (0);
1749	} else {
1750		tl = nfsm_build(&mb, NFSX_UNSIGNED4);
1751		*tl = nfs_false;
1752	}
1753	if (a->va_atime.tv_nsec != VNOVAL(-1)) {
1754		if (a->va_atime.tv_sec != gettime()) {
1755			tl = nfsm_build(&mb, 3 * NFSX_UNSIGNED4);
1756			*tl++ = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT)((__uint32_t)(__builtin_constant_p((int32_t)(2)) ? (__uint32_t
)(((__uint32_t)((int32_t)(2)) & 0xff) << 24 | ((__uint32_t
)((int32_t)(2)) & 0xff00) << 8 | ((__uint32_t)((int32_t
)(2)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(2)
) & 0xff000000) >> 24) : __swap32md((int32_t)(2))));
1757			txdr_nfsv3time(&a->va_atime, tl)do { ((struct nfsv3_time *)(tl))->nfsv3_sec = (__uint32_t)
(__builtin_constant_p((&a->va_atime)->tv_sec) ? (__uint32_t
)(((__uint32_t)((&a->va_atime)->tv_sec) & 0xff)
 << 24 | ((__uint32_t)((&a->va_atime)->tv_sec
) & 0xff00) << 8 | ((__uint32_t)((&a->va_atime
)->tv_sec) & 0xff0000) >> 8 | ((__uint32_t)((&
a->va_atime)->tv_sec) & 0xff000000) >> 24) : __swap32md
((&a->va_atime)->tv_sec)); ((struct nfsv3_time *)(tl
))->nfsv3_nsec = (__uint32_t)(__builtin_constant_p((&a
->va_atime)->tv_nsec) ? (__uint32_t)(((__uint32_t)((&
a->va_atime)->tv_nsec) & 0xff) << 24 | ((__uint32_t
)((&a->va_atime)->tv_nsec) & 0xff00) << 8
 | ((__uint32_t)((&a->va_atime)->tv_nsec) & 0xff0000
) >> 8 | ((__uint32_t)((&a->va_atime)->tv_nsec
) & 0xff000000) >> 24) : __swap32md((&a->va_atime
)->tv_nsec)); } while (0);
1758		} else {
1759			tl = nfsm_build(&mb, NFSX_UNSIGNED4);
1760			*tl = txdr_unsigned(NFSV3SATTRTIME_TOSERVER)((__uint32_t)(__builtin_constant_p((int32_t)(1)) ? (__uint32_t
)(((__uint32_t)((int32_t)(1)) & 0xff) << 24 | ((__uint32_t
)((int32_t)(1)) & 0xff00) << 8 | ((__uint32_t)((int32_t
)(1)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(1)
) & 0xff000000) >> 24) : __swap32md((int32_t)(1))));
1761		}
1762	} else {
1763		tl = nfsm_build(&mb, NFSX_UNSIGNED4);
1764		*tl = txdr_unsigned(NFSV3SATTRTIME_DONTCHANGE)((__uint32_t)(__builtin_constant_p((int32_t)(0)) ? (__uint32_t
)(((__uint32_t)((int32_t)(0)) & 0xff) << 24 | ((__uint32_t
)((int32_t)(0)) & 0xff00) << 8 | ((__uint32_t)((int32_t
)(0)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(0)
) & 0xff000000) >> 24) : __swap32md((int32_t)(0))));
1765	}
1766	if (a->va_mtime.tv_nsec != VNOVAL(-1)) {
1767		if (a->va_mtime.tv_sec != gettime()) {
1768			tl = nfsm_build(&mb, 3 * NFSX_UNSIGNED4);
1769			*tl++ = txdr_unsigned(NFSV3SATTRTIME_TOCLIENT)((__uint32_t)(__builtin_constant_p((int32_t)(2)) ? (__uint32_t
)(((__uint32_t)((int32_t)(2)) & 0xff) << 24 | ((__uint32_t
)((int32_t)(2)) & 0xff00) << 8 | ((__uint32_t)((int32_t
)(2)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(2)
) & 0xff000000) >> 24) : __swap32md((int32_t)(2))));
1770			txdr_nfsv3time(&a->va_mtime, tl)do { ((struct nfsv3_time *)(tl))->nfsv3_sec = (__uint32_t)
(__builtin_constant_p((&a->va_mtime)->tv_sec) ? (__uint32_t
)(((__uint32_t)((&a->va_mtime)->tv_sec) & 0xff)
 << 24 | ((__uint32_t)((&a->va_mtime)->tv_sec
) & 0xff00) << 8 | ((__uint32_t)((&a->va_mtime
)->tv_sec) & 0xff0000) >> 8 | ((__uint32_t)((&
a->va_mtime)->tv_sec) & 0xff000000) >> 24) : __swap32md
((&a->va_mtime)->tv_sec)); ((struct nfsv3_time *)(tl
))->nfsv3_nsec = (__uint32_t)(__builtin_constant_p((&a
->va_mtime)->tv_nsec) ? (__uint32_t)(((__uint32_t)((&
a->va_mtime)->tv_nsec) & 0xff) << 24 | ((__uint32_t
)((&a->va_mtime)->tv_nsec) & 0xff00) << 8
 | ((__uint32_t)((&a->va_mtime)->tv_nsec) & 0xff0000
) >> 8 | ((__uint32_t)((&a->va_mtime)->tv_nsec
) & 0xff000000) >> 24) : __swap32md((&a->va_mtime
)->tv_nsec)); } while (0);
1771		} else {
1772			tl = nfsm_build(&mb, NFSX_UNSIGNED4);
1773			*tl = txdr_unsigned(NFSV3SATTRTIME_TOSERVER)((__uint32_t)(__builtin_constant_p((int32_t)(1)) ? (__uint32_t
)(((__uint32_t)((int32_t)(1)) & 0xff) << 24 | ((__uint32_t
)((int32_t)(1)) & 0xff00) << 8 | ((__uint32_t)((int32_t
)(1)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(1)
) & 0xff000000) >> 24) : __swap32md((int32_t)(1))));
1774		}
1775	} else {
1776		tl = nfsm_build(&mb, NFSX_UNSIGNED4);
1777		*tl = txdr_unsigned(NFSV3SATTRTIME_DONTCHANGE)((__uint32_t)(__builtin_constant_p((int32_t)(0)) ? (__uint32_t
)(((__uint32_t)((int32_t)(0)) & 0xff) << 24 | ((__uint32_t
)((int32_t)(0)) & 0xff00) << 8 | ((__uint32_t)((int32_t
)(0)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(0)
) & 0xff000000) >> 24) : __swap32md((int32_t)(0))));
1778	}
1779 
1780	*mp = mb;
1781}
1782 
1783/*
1784 * Ensure a contiguous buffer len bytes long
1785 */
1786void *
1787nfsm_build(struct mbuf **mp, u_int len)
1788{
1789	struct mbuf *mb, *mb2;
1790	caddr_t bpos;
1791 
1792	mb = *mp;
1793	bpos = mb_offset(mb)(((caddr_t)(((mb))->m_hdr.mh_data)) + (mb)->m_hdr.mh_len
);
1794 
1795	if (len > m_trailingspace(mb)) {
1796		MGET(mb2, M_WAIT, MT_DATA)mb2 = m_get((0x0001), (1));
1797		if (len > MLEN(256 - sizeof(struct m_hdr)))
1798			panic("build > MLEN");
1799		mb->m_nextm_hdr.mh_next = mb2;
1800		mb = mb2;
1801		mb->m_lenm_hdr.mh_len = 0;
1802		bpos = mtod(mb, caddr_t)((caddr_t)((mb)->m_hdr.mh_data));
1803	}
1804	mb->m_lenm_hdr.mh_len += len;
1805 
1806	*mp = mb;
1807 
1808	return (bpos);
1809}
1810 
1811void
1812nfsm_fhtom(struct nfsm_info *info, struct vnode *v, int v3)
1813{
1814	struct nfsnode *n = VTONFS(v)((struct nfsnode *)(v)->v_data);
1815 
1816	if (v3) {
1817		nfsm_strtombuf(&info->nmi_mb, n->n_fhp, n->n_fhsize);
1818	} else {
1819		nfsm_buftombuf(&info->nmi_mb, n->n_fhp, NFSX_V2FH32);
1820	}
1821}
1822 
1823void
1824nfsm_srvfhtom(struct mbuf **mp, fhandle_t *f, int v3)
1825{
1826	if (v3) {
1827		nfsm_strtombuf(mp, f, NFSX_V3FH(sizeof (fhandle_t)));
1828	} else {
1829		nfsm_buftombuf(mp, f, NFSX_V2FH32);
1830	}
1831}
1832 
1833int
1834nfsm_srvsattr(struct mbuf **mp, struct vattr *va, struct mbuf *mrep,
1835    caddr_t *dposp)
1836{
1837	struct nfsm_info	info;
1838	uint32_t *tl, t1;
1839	caddr_t cp2;
1840	int error = 0;
1841 
1842	info.nmi_md = *mp;
1843	info.nmi_dpos = *dposp;
1844	info.nmi_mrep = mrep;
1845 
1846	nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED){ t1 = ((caddr_t)((info.nmi_md)->m_hdr.mh_data)) + info.nmi_md
->m_hdr.mh_len - info.nmi_dpos; if (t1 >= (4)) { (tl) =
 (u_int32_t *)(info.nmi_dpos); info.nmi_dpos += (4); } else if
 ((t1 = nfsm_disct(&info.nmi_md, &info.nmi_dpos, (4),
 t1, &cp2)) != 0) { error = t1; m_freem(info.nmi_mrep); goto
 nfsmout; } else { (tl) = (u_int32_t *)cp2; } };
1847	if (*tl == nfs_true) {
1848		nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED){ t1 = ((caddr_t)((info.nmi_md)->m_hdr.mh_data)) + info.nmi_md
->m_hdr.mh_len - info.nmi_dpos; if (t1 >= (4)) { (tl) =
 (u_int32_t *)(info.nmi_dpos); info.nmi_dpos += (4); } else if
 ((t1 = nfsm_disct(&info.nmi_md, &info.nmi_dpos, (4),
 t1, &cp2)) != 0) { error = t1; m_freem(info.nmi_mrep); goto
 nfsmout; } else { (tl) = (u_int32_t *)cp2; } };
1849		va->va_mode = nfstov_mode(*tl)(((u_int16_t)(__uint32_t)(__builtin_constant_p((int32_t)((*tl
))) ? (__uint32_t)(((__uint32_t)((int32_t)((*tl))) & 0xff
) << 24 | ((__uint32_t)((int32_t)((*tl))) & 0xff00)
 << 8 | ((__uint32_t)((int32_t)((*tl))) & 0xff0000)
 >> 8 | ((__uint32_t)((int32_t)((*tl))) & 0xff000000
) >> 24) : __swap32md((int32_t)((*tl)))))&07777);
1850	}
1851 
1852	nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED){ t1 = ((caddr_t)((info.nmi_md)->m_hdr.mh_data)) + info.nmi_md
->m_hdr.mh_len - info.nmi_dpos; if (t1 >= (4)) { (tl) =
 (u_int32_t *)(info.nmi_dpos); info.nmi_dpos += (4); } else if
 ((t1 = nfsm_disct(&info.nmi_md, &info.nmi_dpos, (4),
 t1, &cp2)) != 0) { error = t1; m_freem(info.nmi_mrep); goto
 nfsmout; } else { (tl) = (u_int32_t *)cp2; } };
1853	if (*tl == nfs_true) {
1854		nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED){ t1 = ((caddr_t)((info.nmi_md)->m_hdr.mh_data)) + info.nmi_md
->m_hdr.mh_len - info.nmi_dpos; if (t1 >= (4)) { (tl) =
 (u_int32_t *)(info.nmi_dpos); info.nmi_dpos += (4); } else if
 ((t1 = nfsm_disct(&info.nmi_md, &info.nmi_dpos, (4),
 t1, &cp2)) != 0) { error = t1; m_freem(info.nmi_mrep); goto
 nfsmout; } else { (tl) = (u_int32_t *)cp2; } };
1855		va->va_uid = fxdr_unsigned(uid_t, *tl)((uid_t)(__uint32_t)(__builtin_constant_p((int32_t)(*tl)) ? (
__uint32_t)(((__uint32_t)((int32_t)(*tl)) & 0xff) <<
 24 | ((__uint32_t)((int32_t)(*tl)) & 0xff00) << 8 |
 ((__uint32_t)((int32_t)(*tl)) & 0xff0000) >> 8 | (
(__uint32_t)((int32_t)(*tl)) & 0xff000000) >> 24) :
 __swap32md((int32_t)(*tl))));
1856	}
1857 
1858	nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED){ t1 = ((caddr_t)((info.nmi_md)->m_hdr.mh_data)) + info.nmi_md
->m_hdr.mh_len - info.nmi_dpos; if (t1 >= (4)) { (tl) =
 (u_int32_t *)(info.nmi_dpos); info.nmi_dpos += (4); } else if
 ((t1 = nfsm_disct(&info.nmi_md, &info.nmi_dpos, (4),
 t1, &cp2)) != 0) { error = t1; m_freem(info.nmi_mrep); goto
 nfsmout; } else { (tl) = (u_int32_t *)cp2; } };
1859	if (*tl == nfs_true) {
1860		nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED){ t1 = ((caddr_t)((info.nmi_md)->m_hdr.mh_data)) + info.nmi_md
->m_hdr.mh_len - info.nmi_dpos; if (t1 >= (4)) { (tl) =
 (u_int32_t *)(info.nmi_dpos); info.nmi_dpos += (4); } else if
 ((t1 = nfsm_disct(&info.nmi_md, &info.nmi_dpos, (4),
 t1, &cp2)) != 0) { error = t1; m_freem(info.nmi_mrep); goto
 nfsmout; } else { (tl) = (u_int32_t *)cp2; } };
1861		va->va_gid = fxdr_unsigned(gid_t, *tl)((gid_t)(__uint32_t)(__builtin_constant_p((int32_t)(*tl)) ? (
__uint32_t)(((__uint32_t)((int32_t)(*tl)) & 0xff) <<
 24 | ((__uint32_t)((int32_t)(*tl)) & 0xff00) << 8 |
 ((__uint32_t)((int32_t)(*tl)) & 0xff0000) >> 8 | (
(__uint32_t)((int32_t)(*tl)) & 0xff000000) >> 24) :
 __swap32md((int32_t)(*tl))));
1862	}
1863 
1864	nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED){ t1 = ((caddr_t)((info.nmi_md)->m_hdr.mh_data)) + info.nmi_md
->m_hdr.mh_len - info.nmi_dpos; if (t1 >= (4)) { (tl) =
 (u_int32_t *)(info.nmi_dpos); info.nmi_dpos += (4); } else if
 ((t1 = nfsm_disct(&info.nmi_md, &info.nmi_dpos, (4),
 t1, &cp2)) != 0) { error = t1; m_freem(info.nmi_mrep); goto
 nfsmout; } else { (tl) = (u_int32_t *)cp2; } };
1865	if (*tl == nfs_true) {
1866		nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED){ t1 = ((caddr_t)((info.nmi_md)->m_hdr.mh_data)) + info.nmi_md
->m_hdr.mh_len - info.nmi_dpos; if (t1 >= (2 * 4)) { (tl
) = (u_int32_t *)(info.nmi_dpos); info.nmi_dpos += (2 * 4); }
 else if ((t1 = nfsm_disct(&info.nmi_md, &info.nmi_dpos
, (2 * 4), t1, &cp2)) != 0) { error = t1; m_freem(info.nmi_mrep
); goto nfsmout; } else { (tl) = (u_int32_t *)cp2; } };
1867		va->va_size = fxdr_hyper(tl)((((u_quad_t)(__uint32_t)(__builtin_constant_p(((u_int32_t *)
(tl))[0]) ? (__uint32_t)(((__uint32_t)(((u_int32_t *)(tl))[0]
) & 0xff) << 24 | ((__uint32_t)(((u_int32_t *)(tl))
[0]) & 0xff00) << 8 | ((__uint32_t)(((u_int32_t *)(
tl))[0]) & 0xff0000) >> 8 | ((__uint32_t)(((u_int32_t
 *)(tl))[0]) & 0xff000000) >> 24) : __swap32md(((u_int32_t
 *)(tl))[0]))) << 32) | (u_quad_t)((__uint32_t)(__builtin_constant_p
(((u_int32_t *)(tl))[1]) ? (__uint32_t)(((__uint32_t)(((u_int32_t
 *)(tl))[1]) & 0xff) << 24 | ((__uint32_t)(((u_int32_t
 *)(tl))[1]) & 0xff00) << 8 | ((__uint32_t)(((u_int32_t
 *)(tl))[1]) & 0xff0000) >> 8 | ((__uint32_t)(((u_int32_t
 *)(tl))[1]) & 0xff000000) >> 24) : __swap32md(((u_int32_t
 *)(tl))[1]))));
1868	}
1869 
1870	nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED){ t1 = ((caddr_t)((info.nmi_md)->m_hdr.mh_data)) + info.nmi_md
->m_hdr.mh_len - info.nmi_dpos; if (t1 >= (4)) { (tl) =
 (u_int32_t *)(info.nmi_dpos); info.nmi_dpos += (4); } else if
 ((t1 = nfsm_disct(&info.nmi_md, &info.nmi_dpos, (4),
 t1, &cp2)) != 0) { error = t1; m_freem(info.nmi_mrep); goto
 nfsmout; } else { (tl) = (u_int32_t *)cp2; } };
1871	switch (fxdr_unsigned(int, *tl)((int)(__uint32_t)(__builtin_constant_p((int32_t)(*tl)) ? (__uint32_t
)(((__uint32_t)((int32_t)(*tl)) & 0xff) << 24 | ((__uint32_t
)((int32_t)(*tl)) & 0xff00) << 8 | ((__uint32_t)((int32_t
)(*tl)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(
*tl)) & 0xff000000) >> 24) : __swap32md((int32_t)(*
tl))))) {
1872	case NFSV3SATTRTIME_TOCLIENT2:
1873		va->va_vaflags |= VA_UTIMES_CHANGE0x04;
1874		va->va_vaflags &= ~VA_UTIMES_NULL0x01;
1875		nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED){ t1 = ((caddr_t)((info.nmi_md)->m_hdr.mh_data)) + info.nmi_md
->m_hdr.mh_len - info.nmi_dpos; if (t1 >= (2 * 4)) { (tl
) = (u_int32_t *)(info.nmi_dpos); info.nmi_dpos += (2 * 4); }
 else if ((t1 = nfsm_disct(&info.nmi_md, &info.nmi_dpos
, (2 * 4), t1, &cp2)) != 0) { error = t1; m_freem(info.nmi_mrep
); goto nfsmout; } else { (tl) = (u_int32_t *)cp2; } };
1876		fxdr_nfsv3time(tl, &va->va_atime)do { (&va->va_atime)->tv_sec = (__uint32_t)(__builtin_constant_p
(((struct nfsv3_time *)(tl))->nfsv3_sec) ? (__uint32_t)(((
__uint32_t)(((struct nfsv3_time *)(tl))->nfsv3_sec) & 0xff
) << 24 | ((__uint32_t)(((struct nfsv3_time *)(tl))->
nfsv3_sec) & 0xff00) << 8 | ((__uint32_t)(((struct nfsv3_time
 *)(tl))->nfsv3_sec) & 0xff0000) >> 8 | ((__uint32_t
)(((struct nfsv3_time *)(tl))->nfsv3_sec) & 0xff000000
) >> 24) : __swap32md(((struct nfsv3_time *)(tl))->nfsv3_sec
)); (&va->va_atime)->tv_nsec = (__uint32_t)(__builtin_constant_p
(((struct nfsv3_time *)(tl))->nfsv3_nsec) ? (__uint32_t)((
(__uint32_t)(((struct nfsv3_time *)(tl))->nfsv3_nsec) &
 0xff) << 24 | ((__uint32_t)(((struct nfsv3_time *)(tl)
)->nfsv3_nsec) & 0xff00) << 8 | ((__uint32_t)(((
struct nfsv3_time *)(tl))->nfsv3_nsec) & 0xff0000) >>
 8 | ((__uint32_t)(((struct nfsv3_time *)(tl))->nfsv3_nsec
) & 0xff000000) >> 24) : __swap32md(((struct nfsv3_time
 *)(tl))->nfsv3_nsec)); } while (0);
1877		break;
1878	case NFSV3SATTRTIME_TOSERVER1:
1879		va->va_vaflags |= VA_UTIMES_CHANGE0x04;
1880		getnanotime(&va->va_atime);
1881		break;
1882	};
1883 
1884	nfsm_dissect(tl, u_int32_t *, NFSX_UNSIGNED){ t1 = ((caddr_t)((info.nmi_md)->m_hdr.mh_data)) + info.nmi_md
->m_hdr.mh_len - info.nmi_dpos; if (t1 >= (4)) { (tl) =
 (u_int32_t *)(info.nmi_dpos); info.nmi_dpos += (4); } else if
 ((t1 = nfsm_disct(&info.nmi_md, &info.nmi_dpos, (4),
 t1, &cp2)) != 0) { error = t1; m_freem(info.nmi_mrep); goto
 nfsmout; } else { (tl) = (u_int32_t *)cp2; } };
1885	switch (fxdr_unsigned(int, *tl)((int)(__uint32_t)(__builtin_constant_p((int32_t)(*tl)) ? (__uint32_t
)(((__uint32_t)((int32_t)(*tl)) & 0xff) << 24 | ((__uint32_t
)((int32_t)(*tl)) & 0xff00) << 8 | ((__uint32_t)((int32_t
)(*tl)) & 0xff0000) >> 8 | ((__uint32_t)((int32_t)(
*tl)) & 0xff000000) >> 24) : __swap32md((int32_t)(*
tl))))) {
1886	case NFSV3SATTRTIME_TOCLIENT2:
1887		va->va_vaflags |= VA_UTIMES_CHANGE0x04;
1888		va->va_vaflags &= ~VA_UTIMES_NULL0x01;
1889		nfsm_dissect(tl, u_int32_t *, 2 * NFSX_UNSIGNED){ t1 = ((caddr_t)((info.nmi_md)->m_hdr.mh_data)) + info.nmi_md
->m_hdr.mh_len - info.nmi_dpos; if (t1 >= (2 * 4)) { (tl
) = (u_int32_t *)(info.nmi_dpos); info.nmi_dpos += (2 * 4); }
 else if ((t1 = nfsm_disct(&info.nmi_md, &info.nmi_dpos
, (2 * 4), t1, &cp2)) != 0) { error = t1; m_freem(info.nmi_mrep
); goto nfsmout; } else { (tl) = (u_int32_t *)cp2; } };
1890		fxdr_nfsv3time(tl, &va->va_mtime)do { (&va->va_mtime)->tv_sec = (__uint32_t)(__builtin_constant_p
(((struct nfsv3_time *)(tl))->nfsv3_sec) ? (__uint32_t)(((
__uint32_t)(((struct nfsv3_time *)(tl))->nfsv3_sec) & 0xff
) << 24 | ((__uint32_t)(((struct nfsv3_time *)(tl))->
nfsv3_sec) & 0xff00) << 8 | ((__uint32_t)(((struct nfsv3_time
 *)(tl))->nfsv3_sec) & 0xff0000) >> 8 | ((__uint32_t
)(((struct nfsv3_time *)(tl))->nfsv3_sec) & 0xff000000
) >> 24) : __swap32md(((struct nfsv3_time *)(tl))->nfsv3_sec
)); (&va->va_mtime)->tv_nsec = (__uint32_t)(__builtin_constant_p
(((struct nfsv3_time *)(tl))->nfsv3_nsec) ? (__uint32_t)((
(__uint32_t)(((struct nfsv3_time *)(tl))->nfsv3_nsec) &
 0xff) << 24 | ((__uint32_t)(((struct nfsv3_time *)(tl)
)->nfsv3_nsec) & 0xff00) << 8 | ((__uint32_t)(((
struct nfsv3_time *)(tl))->nfsv3_nsec) & 0xff0000) >>
 8 | ((__uint32_t)(((struct nfsv3_time *)(tl))->nfsv3_nsec
) & 0xff000000) >> 24) : __swap32md(((struct nfsv3_time
 *)(tl))->nfsv3_nsec)); } while (0);
1891		break;
1892	case NFSV3SATTRTIME_TOSERVER1:
1893		va->va_vaflags |= VA_UTIMES_CHANGE0x04;
1894		getnanotime(&va->va_mtime);
1895		break;
1896	};
1897 
1898	*dposp = info.nmi_dpos;
1899	*mp = info.nmi_md;
1900nfsmout:
1901	return (error);
1902}
1903 
1904void
1905txdr_nfsv2time(const struct timespec *from, struct nfsv2_time *to)
1906{
1907	if (from->tv_nsec == VNOVAL(-1)) {
1908		to->nfsv2_sec = nfs_xdrneg1;
1909		to->nfsv2_usec = nfs_xdrneg1;
1910	} else if (from->tv_sec == -1) {
1911		/*
1912		 * can't request a time of -1; send
1913		 * -1.000001 == {-2,999999} instead
1914		 */
1915		to->nfsv2_sec = htonl(-2)(__uint32_t)(__builtin_constant_p(-2) ? (__uint32_t)(((__uint32_t
)(-2) & 0xff) << 24 | ((__uint32_t)(-2) & 0xff00
) << 8 | ((__uint32_t)(-2) & 0xff0000) >> 8 |
 ((__uint32_t)(-2) & 0xff000000) >> 24) : __swap32md
(-2));
1916		to->nfsv2_usec = htonl(999999)(__uint32_t)(__builtin_constant_p(999999) ? (__uint32_t)(((__uint32_t
)(999999) & 0xff) << 24 | ((__uint32_t)(999999) &
 0xff00) << 8 | ((__uint32_t)(999999) & 0xff0000) >>
 8 | ((__uint32_t)(999999) & 0xff000000) >> 24) : __swap32md
(999999));
1917	} else {
1918		to->nfsv2_sec = htonl(from->tv_sec)(__uint32_t)(__builtin_constant_p(from->tv_sec) ? (__uint32_t
)(((__uint32_t)(from->tv_sec) & 0xff) << 24 | ((
__uint32_t)(from->tv_sec) & 0xff00) << 8 | ((__uint32_t
)(from->tv_sec) & 0xff0000) >> 8 | ((__uint32_t)
(from->tv_sec) & 0xff000000) >> 24) : __swap32md
(from->tv_sec));
1919		to->nfsv2_usec = htonl(from->tv_nsec / 1000)(__uint32_t)(__builtin_constant_p(from->tv_nsec / 1000) ? (
__uint32_t)(((__uint32_t)(from->tv_nsec / 1000) & 0xff
) << 24 | ((__uint32_t)(from->tv_nsec / 1000) & 0xff00
) << 8 | ((__uint32_t)(from->tv_nsec / 1000) & 0xff0000
) >> 8 | ((__uint32_t)(from->tv_nsec / 1000) & 0xff000000
) >> 24) : __swap32md(from->tv_nsec / 1000));
1920	}
1921}