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* Fix some cases where NULL was used but 0 was meant (and vice versa).
[dragonfly.git] / contrib / tcpdump-3.9 / print-nfs.c
blob45e886978be88faab6801d24223da1781bb9da31
1 /*
2 * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that: (1) source code distributions
7 * retain the above copyright notice and this paragraph in its entirety, (2)
8 * distributions including binary code include the above copyright notice and
9 * this paragraph in its entirety in the documentation or other materials
10 * provided with the distribution, and (3) all advertising materials mentioning
11 * features or use of this software display the following acknowledgement:
12 * ``This product includes software developed by the University of California,
13 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
14 * the University nor the names of its contributors may be used to endorse
15 * or promote products derived from this software without specific prior
16 * written permission.
17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
20 */
21
22 #ifndef lint
23 static const char rcsid[] _U_ =
24 "@(#) $Header: /tcpdump/master/tcpdump/print-nfs.c,v 1.106.2.4 2007/06/15 23:17:40 guy Exp $ (LBL)";
25 #endif
26
27 #ifdef HAVE_CONFIG_H
28 #include "config.h"
29 #endif
30
31 #include <tcpdump-stdinc.h>
32
33 #include <pcap.h>
34 #include <stdio.h>
35 #include <string.h>
36
37 #include "interface.h"
38 #include "addrtoname.h"
39 #include "extract.h"
40
41 #include "nfs.h"
42 #include "nfsfh.h"
43
44 #include "ip.h"
45 #ifdef INET6
46 #include "ip6.h"
47 #endif
48 #include "rpc_auth.h"
49 #include "rpc_msg.h"
50
51 static void nfs_printfh(const u_int32_t *, const u_int);
52 static void xid_map_enter(const struct sunrpc_msg *, const u_char *);
53 static int32_t xid_map_find(const struct sunrpc_msg *, const u_char *,
54 u_int32_t *, u_int32_t *);
55 static void interp_reply(const struct sunrpc_msg *, u_int32_t, u_int32_t, int);
56 static const u_int32_t *parse_post_op_attr(const u_int32_t *, int);
57 static void print_sattr3(const struct nfsv3_sattr *sa3, int verbose);
58 static void print_nfsaddr(const u_char *, const char *, const char *);
59
60 /*
61 * Mapping of old NFS Version 2 RPC numbers to generic numbers.
62 */
63 u_int32_t nfsv3_procid[NFS_NPROCS] = {
64 NFSPROC_NULL,
65 NFSPROC_GETATTR,
66 NFSPROC_SETATTR,
67 NFSPROC_NOOP,
68 NFSPROC_LOOKUP,
69 NFSPROC_READLINK,
70 NFSPROC_READ,
71 NFSPROC_NOOP,
72 NFSPROC_WRITE,
73 NFSPROC_CREATE,
74 NFSPROC_REMOVE,
75 NFSPROC_RENAME,
76 NFSPROC_LINK,
77 NFSPROC_SYMLINK,
78 NFSPROC_MKDIR,
79 NFSPROC_RMDIR,
80 NFSPROC_READDIR,
81 NFSPROC_FSSTAT,
82 NFSPROC_NOOP,
83 NFSPROC_NOOP,
84 NFSPROC_NOOP,
85 NFSPROC_NOOP,
86 NFSPROC_NOOP,
87 NFSPROC_NOOP,
88 NFSPROC_NOOP,
89 NFSPROC_NOOP
90 };
91
92 /*
93 * NFS V2 and V3 status values.
94 *
95 * Some of these come from the RFCs for NFS V2 and V3, with the message
96 * strings taken from the FreeBSD C library "errlst.c".
97 *
98 * Others are errors that are not in the RFC but that I suspect some
99 * NFS servers could return; the values are FreeBSD errno values, as
100 * the first NFS server was the SunOS 2.0 one, and until 5.0 SunOS
101 * was primarily BSD-derived.
102 */
103 static struct tok status2str[] = {
104 { 1, "Operation not permitted" }, /* EPERM */
105 { 2, "No such file or directory" }, /* ENOENT */
106 { 5, "Input/output error" }, /* EIO */
107 { 6, "Device not configured" }, /* ENXIO */
108 { 11, "Resource deadlock avoided" }, /* EDEADLK */
109 { 12, "Cannot allocate memory" }, /* ENOMEM */
110 { 13, "Permission denied" }, /* EACCES */
111 { 17, "File exists" }, /* EEXIST */
112 { 18, "Cross-device link" }, /* EXDEV */
113 { 19, "Operation not supported by device" }, /* ENODEV */
114 { 20, "Not a directory" }, /* ENOTDIR */
115 { 21, "Is a directory" }, /* EISDIR */
116 { 22, "Invalid argument" }, /* EINVAL */
117 { 26, "Text file busy" }, /* ETXTBSY */
118 { 27, "File too large" }, /* EFBIG */
119 { 28, "No space left on device" }, /* ENOSPC */
120 { 30, "Read-only file system" }, /* EROFS */
121 { 31, "Too many links" }, /* EMLINK */
122 { 45, "Operation not supported" }, /* EOPNOTSUPP */
123 { 62, "Too many levels of symbolic links" }, /* ELOOP */
124 { 63, "File name too long" }, /* ENAMETOOLONG */
125 { 66, "Directory not empty" }, /* ENOTEMPTY */
126 { 69, "Disc quota exceeded" }, /* EDQUOT */
127 { 70, "Stale NFS file handle" }, /* ESTALE */
128 { 71, "Too many levels of remote in path" }, /* EREMOTE */
129 { 99, "Write cache flushed to disk" }, /* NFSERR_WFLUSH (not used) */
130 { 10001, "Illegal NFS file handle" }, /* NFS3ERR_BADHANDLE */
131 { 10002, "Update synchronization mismatch" }, /* NFS3ERR_NOT_SYNC */
132 { 10003, "READDIR/READDIRPLUS cookie is stale" }, /* NFS3ERR_BAD_COOKIE */
133 { 10004, "Operation not supported" }, /* NFS3ERR_NOTSUPP */
134 { 10005, "Buffer or request is too small" }, /* NFS3ERR_TOOSMALL */
135 { 10006, "Unspecified error on server" }, /* NFS3ERR_SERVERFAULT */
136 { 10007, "Object of that type not supported" }, /* NFS3ERR_BADTYPE */
137 { 10008, "Request couldn't be completed in time" }, /* NFS3ERR_JUKEBOX */
138 { 0, NULL }
139 };
140
141 static struct tok nfsv3_writemodes[] = {
142 { 0, "unstable" },
143 { 1, "datasync" },
144 { 2, "filesync" },
145 { 0, NULL }
146 };
147
148 static struct tok type2str[] = {
149 { NFNON, "NON" },
150 { NFREG, "REG" },
151 { NFDIR, "DIR" },
152 { NFBLK, "BLK" },
153 { NFCHR, "CHR" },
154 { NFLNK, "LNK" },
155 { NFFIFO, "FIFO" },
156 { 0, NULL }
157 };
158
159 static void
160 print_nfsaddr(const u_char *bp, const char *s, const char *d)
161 {
162 struct ip *ip;
163 #ifdef INET6
164 struct ip6_hdr *ip6;
165 char srcaddr[INET6_ADDRSTRLEN], dstaddr[INET6_ADDRSTRLEN];
166 #else
167 #ifndef INET_ADDRSTRLEN
168 #define INET_ADDRSTRLEN 16
169 #endif
170 char srcaddr[INET_ADDRSTRLEN], dstaddr[INET_ADDRSTRLEN];
171 #endif
172
173 srcaddr[0] = dstaddr[0] = '\0';
174 switch (IP_V((struct ip *)bp)) {
175 case 4:
176 ip = (struct ip *)bp;
177 strlcpy(srcaddr, ipaddr_string(&ip->ip_src), sizeof(srcaddr));
178 strlcpy(dstaddr, ipaddr_string(&ip->ip_dst), sizeof(dstaddr));
179 break;
180 #ifdef INET6
181 case 6:
182 ip6 = (struct ip6_hdr *)bp;
183 strlcpy(srcaddr, ip6addr_string(&ip6->ip6_src),
184 sizeof(srcaddr));
185 strlcpy(dstaddr, ip6addr_string(&ip6->ip6_dst),
186 sizeof(dstaddr));
187 break;
188 #endif
189 default:
190 strlcpy(srcaddr, "?", sizeof(srcaddr));
191 strlcpy(dstaddr, "?", sizeof(dstaddr));
192 break;
193 }
194
195 (void)printf("%s.%s > %s.%s: ", srcaddr, s, dstaddr, d);
196 }
197
198 static const u_int32_t *
199 parse_sattr3(const u_int32_t *dp, struct nfsv3_sattr *sa3)
200 {
201 TCHECK(dp[0]);
202 sa3->sa_modeset = EXTRACT_32BITS(dp);
203 dp++;
204 if (sa3->sa_modeset) {
205 TCHECK(dp[0]);
206 sa3->sa_mode = EXTRACT_32BITS(dp);
207 dp++;
208 }
209
210 TCHECK(dp[0]);
211 sa3->sa_uidset = EXTRACT_32BITS(dp);
212 dp++;
213 if (sa3->sa_uidset) {
214 TCHECK(dp[0]);
215 sa3->sa_uid = EXTRACT_32BITS(dp);
216 dp++;
217 }
218
219 TCHECK(dp[0]);
220 sa3->sa_gidset = EXTRACT_32BITS(dp);
221 dp++;
222 if (sa3->sa_gidset) {
223 TCHECK(dp[0]);
224 sa3->sa_gid = EXTRACT_32BITS(dp);
225 dp++;
226 }
227
228 TCHECK(dp[0]);
229 sa3->sa_sizeset = EXTRACT_32BITS(dp);
230 dp++;
231 if (sa3->sa_sizeset) {
232 TCHECK(dp[0]);
233 sa3->sa_size = EXTRACT_32BITS(dp);
234 dp++;
235 }
236
237 TCHECK(dp[0]);
238 sa3->sa_atimetype = EXTRACT_32BITS(dp);
239 dp++;
240 if (sa3->sa_atimetype == NFSV3SATTRTIME_TOCLIENT) {
241 TCHECK(dp[1]);
242 sa3->sa_atime.nfsv3_sec = EXTRACT_32BITS(dp);
243 dp++;
244 sa3->sa_atime.nfsv3_nsec = EXTRACT_32BITS(dp);
245 dp++;
246 }
247
248 TCHECK(dp[0]);
249 sa3->sa_mtimetype = EXTRACT_32BITS(dp);
250 dp++;
251 if (sa3->sa_mtimetype == NFSV3SATTRTIME_TOCLIENT) {
252 TCHECK(dp[1]);
253 sa3->sa_mtime.nfsv3_sec = EXTRACT_32BITS(dp);
254 dp++;
255 sa3->sa_mtime.nfsv3_nsec = EXTRACT_32BITS(dp);
256 dp++;
257 }
258
259 return dp;
260 trunc:
261 return NULL;
262 }
263
264 static int nfserr; /* true if we error rather than trunc */
265
266 static void
267 print_sattr3(const struct nfsv3_sattr *sa3, int verbose)
268 {
269 if (sa3->sa_modeset)
270 printf(" mode %o", sa3->sa_mode);
271 if (sa3->sa_uidset)
272 printf(" uid %u", sa3->sa_uid);
273 if (sa3->sa_gidset)
274 printf(" gid %u", sa3->sa_gid);
275 if (verbose > 1) {
276 if (sa3->sa_atimetype == NFSV3SATTRTIME_TOCLIENT)
277 printf(" atime %u.%06u", sa3->sa_atime.nfsv3_sec,
278 sa3->sa_atime.nfsv3_nsec);
279 if (sa3->sa_mtimetype == NFSV3SATTRTIME_TOCLIENT)
280 printf(" mtime %u.%06u", sa3->sa_mtime.nfsv3_sec,
281 sa3->sa_mtime.nfsv3_nsec);
282 }
283 }
284
285 void
286 nfsreply_print(register const u_char *bp, u_int length,
287 register const u_char *bp2)
288 {
289 register const struct sunrpc_msg *rp;
290 u_int32_t proc, vers, reply_stat;
291 char srcid[20], dstid[20]; /*fits 32bit*/
292 enum sunrpc_reject_stat rstat;
293 u_int32_t rlow;
294 u_int32_t rhigh;
295 enum sunrpc_auth_stat rwhy;
296
297 nfserr = 0; /* assume no error */
298 rp = (const struct sunrpc_msg *)bp;
299
300 if (!nflag) {
301 strlcpy(srcid, "nfs", sizeof(srcid));
302 snprintf(dstid, sizeof(dstid), "%u",
303 EXTRACT_32BITS(&rp->rm_xid));
304 } else {
305 snprintf(srcid, sizeof(srcid), "%u", NFS_PORT);
306 snprintf(dstid, sizeof(dstid), "%u",
307 EXTRACT_32BITS(&rp->rm_xid));
308 }
309 print_nfsaddr(bp2, srcid, dstid);
310 reply_stat = EXTRACT_32BITS(&rp->rm_reply.rp_stat);
311 switch (reply_stat) {
312
313 case SUNRPC_MSG_ACCEPTED:
314 (void)printf("reply ok %u", length);
315 if (xid_map_find(rp, bp2, &proc, &vers) >= 0)
316 interp_reply(rp, proc, vers, length);
317 break;
318
319 case SUNRPC_MSG_DENIED:
320 (void)printf("reply ERR %u: ", length);
321 rstat = EXTRACT_32BITS(&rp->rm_reply.rp_reject.rj_stat);
322 switch (rstat) {
323
324 case SUNRPC_RPC_MISMATCH:
325 rlow = EXTRACT_32BITS(&rp->rm_reply.rp_reject.rj_vers.low);
326 rhigh = EXTRACT_32BITS(&rp->rm_reply.rp_reject.rj_vers.high);
327 (void)printf("RPC Version mismatch (%u-%u)",
328 rlow, rhigh);
329 break;
330
331 case SUNRPC_AUTH_ERROR:
332 rwhy = EXTRACT_32BITS(&rp->rm_reply.rp_reject.rj_why);
333 (void)printf("Auth ");
334 switch (rwhy) {
335
336 case SUNRPC_AUTH_OK:
337 (void)printf("OK");
338 break;
339
340 case SUNRPC_AUTH_BADCRED:
341 (void)printf("Bogus Credentials (seal broken)");
342 break;
343
344 case SUNRPC_AUTH_REJECTEDCRED:
345 (void)printf("Rejected Credentials (client should begin new session)");
346 break;
347
348 case SUNRPC_AUTH_BADVERF:
349 (void)printf("Bogus Verifier (seal broken)");
350 break;
351
352 case SUNRPC_AUTH_REJECTEDVERF:
353 (void)printf("Verifier expired or was replayed");
354 break;
355
356 case SUNRPC_AUTH_TOOWEAK:
357 (void)printf("Credentials are too weak");
358 break;
359
360 case SUNRPC_AUTH_INVALIDRESP:
361 (void)printf("Bogus response verifier");
362 break;
363
364 case SUNRPC_AUTH_FAILED:
365 (void)printf("Unknown failure");
366 break;
367
368 default:
369 (void)printf("Invalid failure code %u",
370 (unsigned int)rwhy);
371 break;
372 }
373 break;
374
375 default:
376 (void)printf("Unknown reason for rejecting rpc message %u",
377 (unsigned int)rstat);
378 break;
379 }
380 break;
381
382 default:
383 (void)printf("reply Unknown rpc response code=%u %u",
384 reply_stat, length);
385 break;
386 }
387 }
388
389 /*
390 * Return a pointer to the first file handle in the packet.
391 * If the packet was truncated, return 0.
392 */
393 static const u_int32_t *
394 parsereq(register const struct sunrpc_msg *rp, register u_int length)
395 {
396 register const u_int32_t *dp;
397 register u_int len;
398
399 /*
400 * find the start of the req data (if we captured it)
401 */
402 dp = (u_int32_t *)&rp->rm_call.cb_cred;
403 TCHECK(dp[1]);
404 len = EXTRACT_32BITS(&dp[1]);
405 if (len < length) {
406 dp += (len + (2 * sizeof(*dp) + 3)) / sizeof(*dp);
407 TCHECK(dp[1]);
408 len = EXTRACT_32BITS(&dp[1]);
409 if (len < length) {
410 dp += (len + (2 * sizeof(*dp) + 3)) / sizeof(*dp);
411 TCHECK2(dp[0], 0);
412 return (dp);
413 }
414 }
415 trunc:
416 return (NULL);
417 }
418
419 /*
420 * Print out an NFS file handle and return a pointer to following word.
421 * If packet was truncated, return 0.
422 */
423 static const u_int32_t *
424 parsefh(register const u_int32_t *dp, int v3)
425 {
426 u_int len;
427
428 if (v3) {
429 TCHECK(dp[0]);
430 len = EXTRACT_32BITS(dp) / 4;
431 dp++;
432 } else
433 len = NFSX_V2FH / 4;
434
435 if (TTEST2(*dp, len * sizeof(*dp))) {
436 nfs_printfh(dp, len);
437 return (dp + len);
438 }
439 trunc:
440 return (NULL);
441 }
442
443 /*
444 * Print out a file name and return pointer to 32-bit word past it.
445 * If packet was truncated, return 0.
446 */
447 static const u_int32_t *
448 parsefn(register const u_int32_t *dp)
449 {
450 register u_int32_t len;
451 register const u_char *cp;
452
453 /* Bail if we don't have the string length */
454 TCHECK(*dp);
455
456 /* Fetch string length; convert to host order */
457 len = *dp++;
458 NTOHL(len);
459
460 TCHECK2(*dp, ((len + 3) & ~3));
461
462 cp = (u_char *)dp;
463 /* Update 32-bit pointer (NFS filenames padded to 32-bit boundaries) */
464 dp += ((len + 3) & ~3) / sizeof(*dp);
465 putchar('"');
466 if (fn_printn(cp, len, snapend)) {
467 putchar('"');
468 goto trunc;
469 }
470 putchar('"');
471
472 return (dp);
473 trunc:
474 return NULL;
475 }
476
477 /*
478 * Print out file handle and file name.
479 * Return pointer to 32-bit word past file name.
480 * If packet was truncated (or there was some other error), return 0.
481 */
482 static const u_int32_t *
483 parsefhn(register const u_int32_t *dp, int v3)
484 {
485 dp = parsefh(dp, v3);
486 if (dp == NULL)
487 return (NULL);
488 putchar(' ');
489 return (parsefn(dp));
490 }
491
492 void
493 nfsreq_print(register const u_char *bp, u_int length,
494 register const u_char *bp2)
495 {
496 register const struct sunrpc_msg *rp;
497 register const u_int32_t *dp;
498 nfs_type type;
499 int v3;
500 u_int32_t proc;
501 struct nfsv3_sattr sa3;
502 char srcid[20], dstid[20]; /*fits 32bit*/
503
504 nfserr = 0; /* assume no error */
505 rp = (const struct sunrpc_msg *)bp;
506 if (!nflag) {
507 snprintf(srcid, sizeof(srcid), "%u",
508 EXTRACT_32BITS(&rp->rm_xid));
509 strlcpy(dstid, "nfs", sizeof(dstid));
510 } else {
511 snprintf(srcid, sizeof(srcid), "%u",
512 EXTRACT_32BITS(&rp->rm_xid));
513 snprintf(dstid, sizeof(dstid), "%u", NFS_PORT);
514 }
515 print_nfsaddr(bp2, srcid, dstid);
516 (void)printf("%d", length);
517
518 xid_map_enter(rp, bp2); /* record proc number for later on */
519
520 v3 = (EXTRACT_32BITS(&rp->rm_call.cb_vers) == NFS_VER3);
521 proc = EXTRACT_32BITS(&rp->rm_call.cb_proc);
522
523 if (!v3 && proc < NFS_NPROCS)
524 proc = nfsv3_procid[proc];
525
526 switch (proc) {
527 case NFSPROC_NOOP:
528 printf(" nop");
529 return;
530 case NFSPROC_NULL:
531 printf(" null");
532 return;
533
534 case NFSPROC_GETATTR:
535 printf(" getattr");
536 if ((dp = parsereq(rp, length)) != NULL &&
537 parsefh(dp, v3) != NULL)
538 return;
539 break;
540
541 case NFSPROC_SETATTR:
542 printf(" setattr");
543 if ((dp = parsereq(rp, length)) != NULL &&
544 parsefh(dp, v3) != NULL)
545 return;
546 break;
547
548 case NFSPROC_LOOKUP:
549 printf(" lookup");
550 if ((dp = parsereq(rp, length)) != NULL &&
551 parsefhn(dp, v3) != NULL)
552 return;
553 break;
554
555 case NFSPROC_ACCESS:
556 printf(" access");
557 if ((dp = parsereq(rp, length)) != NULL &&
558 (dp = parsefh(dp, v3)) != NULL) {
559 TCHECK(dp[0]);
560 printf(" %04x", EXTRACT_32BITS(&dp[0]));
561 return;
562 }
563 break;
564
565 case NFSPROC_READLINK:
566 printf(" readlink");
567 if ((dp = parsereq(rp, length)) != NULL &&
568 parsefh(dp, v3) != NULL)
569 return;
570 break;
571
572 case NFSPROC_READ:
573 printf(" read");
574 if ((dp = parsereq(rp, length)) != NULL &&
575 (dp = parsefh(dp, v3)) != NULL) {
576 if (v3) {
577 TCHECK(dp[2]);
578 printf(" %u bytes @ %" PRIu64,
579 EXTRACT_32BITS(&dp[2]),
580 EXTRACT_64BITS(&dp[0]));
581 } else {
582 TCHECK(dp[1]);
583 printf(" %u bytes @ %u",
584 EXTRACT_32BITS(&dp[1]),
585 EXTRACT_32BITS(&dp[0]));
586 }
587 return;
588 }
589 break;
590
591 case NFSPROC_WRITE:
592 printf(" write");
593 if ((dp = parsereq(rp, length)) != NULL &&
594 (dp = parsefh(dp, v3)) != NULL) {
595 if (v3) {
596 TCHECK(dp[2]);
597 printf(" %u (%u) bytes @ %" PRIu64,
598 EXTRACT_32BITS(&dp[4]),
599 EXTRACT_32BITS(&dp[2]),
600 EXTRACT_64BITS(&dp[0]));
601 if (vflag) {
602 dp += 3;
603 TCHECK(dp[0]);
604 printf(" <%s>",
605 tok2str(nfsv3_writemodes,
606 NULL, EXTRACT_32BITS(dp)));
607 }
608 } else {
609 TCHECK(dp[3]);
610 printf(" %u (%u) bytes @ %u (%u)",
611 EXTRACT_32BITS(&dp[3]),
612 EXTRACT_32BITS(&dp[2]),
613 EXTRACT_32BITS(&dp[1]),
614 EXTRACT_32BITS(&dp[0]));
615 }
616 return;
617 }
618 break;
619
620 case NFSPROC_CREATE:
621 printf(" create");
622 if ((dp = parsereq(rp, length)) != NULL &&
623 parsefhn(dp, v3) != NULL)
624 return;
625 break;
626
627 case NFSPROC_MKDIR:
628 printf(" mkdir");
629 if ((dp = parsereq(rp, length)) != 0 && parsefhn(dp, v3) != 0)
630 return;
631 break;
632
633 case NFSPROC_SYMLINK:
634 printf(" symlink");
635 if ((dp = parsereq(rp, length)) != 0 &&
636 (dp = parsefhn(dp, v3)) != 0) {
637 fputs(" ->", stdout);
638 if (v3 && (dp = parse_sattr3(dp, &sa3)) == 0)
639 break;
640 if (parsefn(dp) == 0)
641 break;
642 if (v3 && vflag)
643 print_sattr3(&sa3, vflag);
644 return;
645 }
646 break;
647
648 case NFSPROC_MKNOD:
649 printf(" mknod");
650 if ((dp = parsereq(rp, length)) != 0 &&
651 (dp = parsefhn(dp, v3)) != 0) {
652 TCHECK(*dp);
653 type = (nfs_type)EXTRACT_32BITS(dp);
654 dp++;
655 if ((dp = parse_sattr3(dp, &sa3)) == 0)
656 break;
657 printf(" %s", tok2str(type2str, "unk-ft %d", type));
658 if (vflag && (type == NFCHR || type == NFBLK)) {
659 TCHECK(dp[1]);
660 printf(" %u/%u",
661 EXTRACT_32BITS(&dp[0]),
662 EXTRACT_32BITS(&dp[1]));
663 dp += 2;
664 }
665 if (vflag)
666 print_sattr3(&sa3, vflag);
667 return;
668 }
669 break;
670
671 case NFSPROC_REMOVE:
672 printf(" remove");
673 if ((dp = parsereq(rp, length)) != NULL &&
674 parsefhn(dp, v3) != NULL)
675 return;
676 break;
677
678 case NFSPROC_RMDIR:
679 printf(" rmdir");
680 if ((dp = parsereq(rp, length)) != NULL &&
681 parsefhn(dp, v3) != NULL)
682 return;
683 break;
684
685 case NFSPROC_RENAME:
686 printf(" rename");
687 if ((dp = parsereq(rp, length)) != NULL &&
688 (dp = parsefhn(dp, v3)) != NULL) {
689 fputs(" ->", stdout);
690 if (parsefhn(dp, v3) != NULL)
691 return;
692 }
693 break;
694
695 case NFSPROC_LINK:
696 printf(" link");
697 if ((dp = parsereq(rp, length)) != NULL &&
698 (dp = parsefh(dp, v3)) != NULL) {
699 fputs(" ->", stdout);
700 if (parsefhn(dp, v3) != NULL)
701 return;
702 }
703 break;
704
705 case NFSPROC_READDIR:
706 printf(" readdir");
707 if ((dp = parsereq(rp, length)) != NULL &&
708 (dp = parsefh(dp, v3)) != NULL) {
709 if (v3) {
710 TCHECK(dp[4]);
711 /*
712 * We shouldn't really try to interpret the
713 * offset cookie here.
714 */
715 printf(" %u bytes @ %" PRId64,
716 EXTRACT_32BITS(&dp[4]),
717 EXTRACT_64BITS(&dp[0]));
718 if (vflag)
719 printf(" verf %08x%08x", dp[2],
720 dp[3]);
721 } else {
722 TCHECK(dp[1]);
723 /*
724 * Print the offset as signed, since -1 is
725 * common, but offsets > 2^31 aren't.
726 */
727 printf(" %u bytes @ %d",
728 EXTRACT_32BITS(&dp[1]),
729 EXTRACT_32BITS(&dp[0]));
730 }
731 return;
732 }
733 break;
734
735 case NFSPROC_READDIRPLUS:
736 printf(" readdirplus");
737 if ((dp = parsereq(rp, length)) != NULL &&
738 (dp = parsefh(dp, v3)) != NULL) {
739 TCHECK(dp[4]);
740 /*
741 * We don't try to interpret the offset
742 * cookie here.
743 */
744 printf(" %u bytes @ %" PRId64,
745 EXTRACT_32BITS(&dp[4]),
746 EXTRACT_64BITS(&dp[0]));
747 if (vflag) {
748 TCHECK(dp[5]);
749 printf(" max %u verf %08x%08x",
750 EXTRACT_32BITS(&dp[5]), dp[2], dp[3]);
751 }
752 return;
753 }
754 break;
755
756 case NFSPROC_FSSTAT:
757 printf(" fsstat");
758 if ((dp = parsereq(rp, length)) != NULL &&
759 parsefh(dp, v3) != NULL)
760 return;
761 break;
762
763 case NFSPROC_FSINFO:
764 printf(" fsinfo");
765 if ((dp = parsereq(rp, length)) != NULL &&
766 parsefh(dp, v3) != NULL)
767 return;
768 break;
769
770 case NFSPROC_PATHCONF:
771 printf(" pathconf");
772 if ((dp = parsereq(rp, length)) != NULL &&
773 parsefh(dp, v3) != NULL)
774 return;
775 break;
776
777 case NFSPROC_COMMIT:
778 printf(" commit");
779 if ((dp = parsereq(rp, length)) != NULL &&
780 (dp = parsefh(dp, v3)) != NULL) {
781 TCHECK(dp[2]);
782 printf(" %u bytes @ %" PRIu64,
783 EXTRACT_32BITS(&dp[2]),
784 EXTRACT_64BITS(&dp[0]));
785 return;
786 }
787 break;
788
789 default:
790 printf(" proc-%u", EXTRACT_32BITS(&rp->rm_call.cb_proc));
791 return;
792 }
793
794 trunc:
795 if (!nfserr)
796 fputs(" [|nfs]", stdout);
797 }
798
799 /*
800 * Print out an NFS file handle.
801 * We assume packet was not truncated before the end of the
802 * file handle pointed to by dp.
803 *
804 * Note: new version (using portable file-handle parser) doesn't produce
805 * generation number. It probably could be made to do that, with some
806 * additional hacking on the parser code.
807 */
808 static void
809 nfs_printfh(register const u_int32_t *dp, const u_int len)
810 {
811 my_fsid fsid;
812 ino_t ino;
813 const char *sfsname = NULL;
814 char *spacep;
815
816 if (uflag) {
817 u_int i;
818 char const *sep = "";
819
820 printf(" fh[");
821 for (i=0; i<len; i++) {
822 (void)printf("%s%x", sep, dp[i]);
823 sep = ":";
824 }
825 printf("]");
826 return;
827 }
828
829 Parse_fh((const u_char *)dp, len, &fsid, &ino, NULL, &sfsname, 0);
830
831 if (sfsname) {
832 /* file system ID is ASCII, not numeric, for this server OS */
833 static char temp[NFSX_V3FHMAX+1];
834
835 /* Make sure string is null-terminated */
836 strncpy(temp, sfsname, NFSX_V3FHMAX);
837 temp[sizeof(temp) - 1] = '\0';
838 /* Remove trailing spaces */
839 spacep = strchr(temp, ' ');
840 if (spacep)
841 *spacep = '\0';
842
843 (void)printf(" fh %s/", temp);
844 } else {
845 (void)printf(" fh %d,%d/",
846 fsid.Fsid_dev.Major, fsid.Fsid_dev.Minor);
847 }
848
849 if(fsid.Fsid_dev.Minor == 257)
850 /* Print the undecoded handle */
851 (void)printf("%s", fsid.Opaque_Handle);
852 else
853 (void)printf("%ld", (long) ino);
854 }
855
856 /*
857 * Maintain a small cache of recent client.XID.server/proc pairs, to allow
858 * us to match up replies with requests and thus to know how to parse
859 * the reply.
860 */
861
862 struct xid_map_entry {
863 u_int32_t xid; /* transaction ID (net order) */
864 int ipver; /* IP version (4 or 6) */
865 #ifdef INET6
866 struct in6_addr client; /* client IP address (net order) */
867 struct in6_addr server; /* server IP address (net order) */
868 #else
869 struct in_addr client; /* client IP address (net order) */
870 struct in_addr server; /* server IP address (net order) */
871 #endif
872 u_int32_t proc; /* call proc number (host order) */
873 u_int32_t vers; /* program version (host order) */
874 };
875
876 /*
877 * Map entries are kept in an array that we manage as a ring;
878 * new entries are always added at the tail of the ring. Initially,
879 * all the entries are zero and hence don't match anything.
880 */
881
882 #define XIDMAPSIZE 64
883
884 struct xid_map_entry xid_map[XIDMAPSIZE];
885
886 int xid_map_next = 0;
887 int xid_map_hint = 0;
888
889 static void
890 xid_map_enter(const struct sunrpc_msg *rp, const u_char *bp)
891 {
892 struct ip *ip = NULL;
893 #ifdef INET6
894 struct ip6_hdr *ip6 = NULL;
895 #endif
896 struct xid_map_entry *xmep;
897
898 switch (IP_V((struct ip *)bp)) {
899 case 4:
900 ip = (struct ip *)bp;
901 break;
902 #ifdef INET6
903 case 6:
904 ip6 = (struct ip6_hdr *)bp;
905 break;
906 #endif
907 default:
908 return;
909 }
910
911 xmep = &xid_map[xid_map_next];
912
913 if (++xid_map_next >= XIDMAPSIZE)
914 xid_map_next = 0;
915
916 xmep->xid = rp->rm_xid;
917 if (ip) {
918 xmep->ipver = 4;
919 memcpy(&xmep->client, &ip->ip_src, sizeof(ip->ip_src));
920 memcpy(&xmep->server, &ip->ip_dst, sizeof(ip->ip_dst));
921 }
922 #ifdef INET6
923 else if (ip6) {
924 xmep->ipver = 6;
925 memcpy(&xmep->client, &ip6->ip6_src, sizeof(ip6->ip6_src));
926 memcpy(&xmep->server, &ip6->ip6_dst, sizeof(ip6->ip6_dst));
927 }
928 #endif
929 xmep->proc = EXTRACT_32BITS(&rp->rm_call.cb_proc);
930 xmep->vers = EXTRACT_32BITS(&rp->rm_call.cb_vers);
931 }
932
933 /*
934 * Returns 0 and puts NFSPROC_xxx in proc return and
935 * version in vers return, or returns -1 on failure
936 */
937 static int
938 xid_map_find(const struct sunrpc_msg *rp, const u_char *bp, u_int32_t *proc,
939 u_int32_t *vers)
940 {
941 int i;
942 struct xid_map_entry *xmep;
943 u_int32_t xid = rp->rm_xid;
944 struct ip *ip = (struct ip *)bp;
945 #ifdef INET6
946 struct ip6_hdr *ip6 = (struct ip6_hdr *)bp;
947 #endif
948 int cmp;
949
950 /* Start searching from where we last left off */
951 i = xid_map_hint;
952 do {
953 xmep = &xid_map[i];
954 cmp = 1;
955 if (xmep->ipver != IP_V(ip) || xmep->xid != xid)
956 goto nextitem;
957 switch (xmep->ipver) {
958 case 4:
959 if (memcmp(&ip->ip_src, &xmep->server,
960 sizeof(ip->ip_src)) != 0 ||
961 memcmp(&ip->ip_dst, &xmep->client,
962 sizeof(ip->ip_dst)) != 0) {
963 cmp = 0;
964 }
965 break;
966 #ifdef INET6
967 case 6:
968 if (memcmp(&ip6->ip6_src, &xmep->server,
969 sizeof(ip6->ip6_src)) != 0 ||
970 memcmp(&ip6->ip6_dst, &xmep->client,
971 sizeof(ip6->ip6_dst)) != 0) {
972 cmp = 0;
973 }
974 break;
975 #endif
976 default:
977 cmp = 0;
978 break;
979 }
980 if (cmp) {
981 /* match */
982 xid_map_hint = i;
983 *proc = xmep->proc;
984 *vers = xmep->vers;
985 return 0;
986 }
987 nextitem:
988 if (++i >= XIDMAPSIZE)
989 i = 0;
990 } while (i != xid_map_hint);
991
992 /* search failed */
993 return (-1);
994 }
995
996 /*
997 * Routines for parsing reply packets
998 */
999
1000 /*
1001 * Return a pointer to the beginning of the actual results.
1002 * If the packet was truncated, return 0.
1003 */
1004 static const u_int32_t *
1005 parserep(register const struct sunrpc_msg *rp, register u_int length)
1006 {
1007 register const u_int32_t *dp;
1008 u_int len;
1009 enum sunrpc_accept_stat astat;
1010
1011 /*
1012 * Portability note:
1013 * Here we find the address of the ar_verf credentials.
1014 * Originally, this calculation was
1015 * dp = (u_int32_t *)&rp->rm_reply.rp_acpt.ar_verf
1016 * On the wire, the rp_acpt field starts immediately after
1017 * the (32 bit) rp_stat field. However, rp_acpt (which is a
1018 * "struct accepted_reply") contains a "struct opaque_auth",
1019 * whose internal representation contains a pointer, so on a
1020 * 64-bit machine the compiler inserts 32 bits of padding
1021 * before rp->rm_reply.rp_acpt.ar_verf. So, we cannot use
1022 * the internal representation to parse the on-the-wire
1023 * representation. Instead, we skip past the rp_stat field,
1024 * which is an "enum" and so occupies one 32-bit word.
1025 */
1026 dp = ((const u_int32_t *)&rp->rm_reply) + 1;
1027 TCHECK(dp[1]);
1028 len = EXTRACT_32BITS(&dp[1]);
1029 if (len >= length)
1030 return (NULL);
1031 /*
1032 * skip past the ar_verf credentials.
1033 */
1034 dp += (len + (2*sizeof(u_int32_t) + 3)) / sizeof(u_int32_t);
1035 TCHECK2(dp[0], 0);
1036
1037 /*
1038 * now we can check the ar_stat field
1039 */
1040 astat = (enum sunrpc_accept_stat) EXTRACT_32BITS(dp);
1041 switch (astat) {
1042
1043 case SUNRPC_SUCCESS:
1044 break;
1045
1046 case SUNRPC_PROG_UNAVAIL:
1047 printf(" PROG_UNAVAIL");
1048 nfserr = 1; /* suppress trunc string */
1049 return (NULL);
1050
1051 case SUNRPC_PROG_MISMATCH:
1052 printf(" PROG_MISMATCH");
1053 nfserr = 1; /* suppress trunc string */
1054 return (NULL);
1055
1056 case SUNRPC_PROC_UNAVAIL:
1057 printf(" PROC_UNAVAIL");
1058 nfserr = 1; /* suppress trunc string */
1059 return (NULL);
1060
1061 case SUNRPC_GARBAGE_ARGS:
1062 printf(" GARBAGE_ARGS");
1063 nfserr = 1; /* suppress trunc string */
1064 return (NULL);
1065
1066 case SUNRPC_SYSTEM_ERR:
1067 printf(" SYSTEM_ERR");
1068 nfserr = 1; /* suppress trunc string */
1069 return (NULL);
1070
1071 default:
1072 printf(" ar_stat %d", astat);
1073 nfserr = 1; /* suppress trunc string */
1074 return (NULL);
1075 }
1076 /* successful return */
1077 TCHECK2(*dp, sizeof(astat));
1078 return ((u_int32_t *) (sizeof(astat) + ((char *)dp)));
1079 trunc:
1080 return (0);
1081 }
1082
1083 static const u_int32_t *
1084 parsestatus(const u_int32_t *dp, int *er)
1085 {
1086 int errnum;
1087
1088 TCHECK(dp[0]);
1089
1090 errnum = EXTRACT_32BITS(&dp[0]);
1091 if (er)
1092 *er = errnum;
1093 if (errnum != 0) {
1094 if (!qflag)
1095 printf(" ERROR: %s",
1096 tok2str(status2str, "unk %d", errnum));
1097 nfserr = 1;
1098 }
1099 return (dp + 1);
1100 trunc:
1101 return NULL;
1102 }
1103
1104 static const u_int32_t *
1105 parsefattr(const u_int32_t *dp, int verbose, int v3)
1106 {
1107 const struct nfs_fattr *fap;
1108
1109 fap = (const struct nfs_fattr *)dp;
1110 TCHECK(fap->fa_gid);
1111 if (verbose) {
1112 printf(" %s %o ids %d/%d",
1113 tok2str(type2str, "unk-ft %d ",
1114 EXTRACT_32BITS(&fap->fa_type)),
1115 EXTRACT_32BITS(&fap->fa_mode),
1116 EXTRACT_32BITS(&fap->fa_uid),
1117 EXTRACT_32BITS(&fap->fa_gid));
1118 if (v3) {
1119 TCHECK(fap->fa3_size);
1120 printf(" sz %" PRIu64,
1121 EXTRACT_64BITS((u_int32_t *)&fap->fa3_size));
1122 } else {
1123 TCHECK(fap->fa2_size);
1124 printf(" sz %d", EXTRACT_32BITS(&fap->fa2_size));
1125 }
1126 }
1127 /* print lots more stuff */
1128 if (verbose > 1) {
1129 if (v3) {
1130 TCHECK(fap->fa3_ctime);
1131 printf(" nlink %d rdev %d/%d",
1132 EXTRACT_32BITS(&fap->fa_nlink),
1133 EXTRACT_32BITS(&fap->fa3_rdev.specdata1),
1134 EXTRACT_32BITS(&fap->fa3_rdev.specdata2));
1135 printf(" fsid %" PRIx64,
1136 EXTRACT_64BITS((u_int32_t *)&fap->fa3_fsid));
1137 printf(" fileid %" PRIx64,
1138 EXTRACT_64BITS((u_int32_t *)&fap->fa3_fileid));
1139 printf(" a/m/ctime %u.%06u",
1140 EXTRACT_32BITS(&fap->fa3_atime.nfsv3_sec),
1141 EXTRACT_32BITS(&fap->fa3_atime.nfsv3_nsec));
1142 printf(" %u.%06u",
1143 EXTRACT_32BITS(&fap->fa3_mtime.nfsv3_sec),
1144 EXTRACT_32BITS(&fap->fa3_mtime.nfsv3_nsec));
1145 printf(" %u.%06u",
1146 EXTRACT_32BITS(&fap->fa3_ctime.nfsv3_sec),
1147 EXTRACT_32BITS(&fap->fa3_ctime.nfsv3_nsec));
1148 } else {
1149 TCHECK(fap->fa2_ctime);
1150 printf(" nlink %d rdev %x fsid %x nodeid %x a/m/ctime",
1151 EXTRACT_32BITS(&fap->fa_nlink),
1152 EXTRACT_32BITS(&fap->fa2_rdev),
1153 EXTRACT_32BITS(&fap->fa2_fsid),
1154 EXTRACT_32BITS(&fap->fa2_fileid));
1155 printf(" %u.%06u",
1156 EXTRACT_32BITS(&fap->fa2_atime.nfsv2_sec),
1157 EXTRACT_32BITS(&fap->fa2_atime.nfsv2_usec));
1158 printf(" %u.%06u",
1159 EXTRACT_32BITS(&fap->fa2_mtime.nfsv2_sec),
1160 EXTRACT_32BITS(&fap->fa2_mtime.nfsv2_usec));
1161 printf(" %u.%06u",
1162 EXTRACT_32BITS(&fap->fa2_ctime.nfsv2_sec),
1163 EXTRACT_32BITS(&fap->fa2_ctime.nfsv2_usec));
1164 }
1165 }
1166 return ((const u_int32_t *)((unsigned char *)dp +
1167 (v3 ? NFSX_V3FATTR : NFSX_V2FATTR)));
1168 trunc:
1169 return (NULL);
1170 }
1171
1172 static int
1173 parseattrstat(const u_int32_t *dp, int verbose, int v3)
1174 {
1175 int er;
1176
1177 dp = parsestatus(dp, &er);
1178 if (dp == NULL)
1179 return (0);
1180 if (er)
1181 return (1);
1182
1183 return (parsefattr(dp, verbose, v3) != NULL);
1184 }
1185
1186 static int
1187 parsediropres(const u_int32_t *dp)
1188 {
1189 int er;
1190
1191 if (!(dp = parsestatus(dp, &er)))
1192 return (0);
1193 if (er)
1194 return (1);
1195
1196 dp = parsefh(dp, 0);
1197 if (dp == NULL)
1198 return (0);
1199
1200 return (parsefattr(dp, vflag, 0) != NULL);
1201 }
1202
1203 static int
1204 parselinkres(const u_int32_t *dp, int v3)
1205 {
1206 int er;
1207
1208 dp = parsestatus(dp, &er);
1209 if (dp == NULL)
1210 return(0);
1211 if (er)
1212 return(1);
1213 if (v3 && !(dp = parse_post_op_attr(dp, vflag)))
1214 return (0);
1215 putchar(' ');
1216 return (parsefn(dp) != NULL);
1217 }
1218
1219 static int
1220 parsestatfs(const u_int32_t *dp, int v3)
1221 {
1222 const struct nfs_statfs *sfsp;
1223 int er;
1224
1225 dp = parsestatus(dp, &er);
1226 if (dp == NULL)
1227 return (0);
1228 if (!v3 && er)
1229 return (1);
1230
1231 if (qflag)
1232 return(1);
1233
1234 if (v3) {
1235 if (vflag)
1236 printf(" POST:");
1237 if (!(dp = parse_post_op_attr(dp, vflag)))
1238 return (0);
1239 }
1240
1241 TCHECK2(*dp, (v3 ? NFSX_V3STATFS : NFSX_V2STATFS));
1242
1243 sfsp = (const struct nfs_statfs *)dp;
1244
1245 if (v3) {
1246 printf(" tbytes %" PRIu64 " fbytes %" PRIu64 " abytes %" PRIu64,
1247 EXTRACT_64BITS((u_int32_t *)&sfsp->sf_tbytes),
1248 EXTRACT_64BITS((u_int32_t *)&sfsp->sf_fbytes),
1249 EXTRACT_64BITS((u_int32_t *)&sfsp->sf_abytes));
1250 if (vflag) {
1251 printf(" tfiles %" PRIu64 " ffiles %" PRIu64 " afiles %" PRIu64 " invar %u",
1252 EXTRACT_64BITS((u_int32_t *)&sfsp->sf_tfiles),
1253 EXTRACT_64BITS((u_int32_t *)&sfsp->sf_ffiles),
1254 EXTRACT_64BITS((u_int32_t *)&sfsp->sf_afiles),
1255 EXTRACT_32BITS(&sfsp->sf_invarsec));
1256 }
1257 } else {
1258 printf(" tsize %d bsize %d blocks %d bfree %d bavail %d",
1259 EXTRACT_32BITS(&sfsp->sf_tsize),
1260 EXTRACT_32BITS(&sfsp->sf_bsize),
1261 EXTRACT_32BITS(&sfsp->sf_blocks),
1262 EXTRACT_32BITS(&sfsp->sf_bfree),
1263 EXTRACT_32BITS(&sfsp->sf_bavail));
1264 }
1265
1266 return (1);
1267 trunc:
1268 return (0);
1269 }
1270
1271 static int
1272 parserddires(const u_int32_t *dp)
1273 {
1274 int er;
1275
1276 dp = parsestatus(dp, &er);
1277 if (dp == NULL)
1278 return (0);
1279 if (er)
1280 return (1);
1281 if (qflag)
1282 return (1);
1283
1284 TCHECK(dp[2]);
1285 printf(" offset %x size %d ",
1286 EXTRACT_32BITS(&dp[0]), EXTRACT_32BITS(&dp[1]));
1287 if (dp[2] != 0)
1288 printf(" eof");
1289
1290 return (1);
1291 trunc:
1292 return (0);
1293 }
1294
1295 static const u_int32_t *
1296 parse_wcc_attr(const u_int32_t *dp)
1297 {
1298 printf(" sz %" PRIu64, EXTRACT_64BITS(&dp[0]));
1299 printf(" mtime %u.%06u ctime %u.%06u",
1300 EXTRACT_32BITS(&dp[2]), EXTRACT_32BITS(&dp[3]),
1301 EXTRACT_32BITS(&dp[4]), EXTRACT_32BITS(&dp[5]));
1302 return (dp + 6);
1303 }
1304
1305 /*
1306 * Pre operation attributes. Print only if vflag > 1.
1307 */
1308 static const u_int32_t *
1309 parse_pre_op_attr(const u_int32_t *dp, int verbose)
1310 {
1311 TCHECK(dp[0]);
1312 if (!EXTRACT_32BITS(&dp[0]))
1313 return (dp + 1);
1314 dp++;
1315 TCHECK2(*dp, 24);
1316 if (verbose > 1) {
1317 return parse_wcc_attr(dp);
1318 } else {
1319 /* If not verbose enough, just skip over wcc_attr */
1320 return (dp + 6);
1321 }
1322 trunc:
1323 return (NULL);
1324 }
1325
1326 /*
1327 * Post operation attributes are printed if vflag >= 1
1328 */
1329 static const u_int32_t *
1330 parse_post_op_attr(const u_int32_t *dp, int verbose)
1331 {
1332 TCHECK(dp[0]);
1333 if (!EXTRACT_32BITS(&dp[0]))
1334 return (dp + 1);
1335 dp++;
1336 if (verbose) {
1337 return parsefattr(dp, verbose, 1);
1338 } else
1339 return (dp + (NFSX_V3FATTR / sizeof (u_int32_t)));
1340 trunc:
1341 return (NULL);
1342 }
1343
1344 static const u_int32_t *
1345 parse_wcc_data(const u_int32_t *dp, int verbose)
1346 {
1347 if (verbose > 1)
1348 printf(" PRE:");
1349 if (!(dp = parse_pre_op_attr(dp, verbose)))
1350 return (0);
1351
1352 if (verbose)
1353 printf(" POST:");
1354 return parse_post_op_attr(dp, verbose);
1355 }
1356
1357 static const u_int32_t *
1358 parsecreateopres(const u_int32_t *dp, int verbose)
1359 {
1360 int er;
1361
1362 if (!(dp = parsestatus(dp, &er)))
1363 return (0);
1364 if (er)
1365 dp = parse_wcc_data(dp, verbose);
1366 else {
1367 TCHECK(dp[0]);
1368 if (!EXTRACT_32BITS(&dp[0]))
1369 return (dp + 1);
1370 dp++;
1371 if (!(dp = parsefh(dp, 1)))
1372 return (0);
1373 if (verbose) {
1374 if (!(dp = parse_post_op_attr(dp, verbose)))
1375 return (0);
1376 if (vflag > 1) {
1377 printf(" dir attr:");
1378 dp = parse_wcc_data(dp, verbose);
1379 }
1380 }
1381 }
1382 return (dp);
1383 trunc:
1384 return (NULL);
1385 }
1386
1387 static int
1388 parsewccres(const u_int32_t *dp, int verbose)
1389 {
1390 int er;
1391
1392 if (!(dp = parsestatus(dp, &er)))
1393 return (0);
1394 return parse_wcc_data(dp, verbose) != 0;
1395 }
1396
1397 static const u_int32_t *
1398 parsev3rddirres(const u_int32_t *dp, int verbose)
1399 {
1400 int er;
1401
1402 if (!(dp = parsestatus(dp, &er)))
1403 return (0);
1404 if (vflag)
1405 printf(" POST:");
1406 if (!(dp = parse_post_op_attr(dp, verbose)))
1407 return (0);
1408 if (er)
1409 return dp;
1410 if (vflag) {
1411 TCHECK(dp[1]);
1412 printf(" verf %08x%08x", dp[0], dp[1]);
1413 dp += 2;
1414 }
1415 return dp;
1416 trunc:
1417 return (NULL);
1418 }
1419
1420 static int
1421 parsefsinfo(const u_int32_t *dp)
1422 {
1423 struct nfsv3_fsinfo *sfp;
1424 int er;
1425
1426 if (!(dp = parsestatus(dp, &er)))
1427 return (0);
1428 if (vflag)
1429 printf(" POST:");
1430 if (!(dp = parse_post_op_attr(dp, vflag)))
1431 return (0);
1432 if (er)
1433 return (1);
1434
1435 sfp = (struct nfsv3_fsinfo *)dp;
1436 TCHECK(*sfp);
1437 printf(" rtmax %u rtpref %u wtmax %u wtpref %u dtpref %u",
1438 EXTRACT_32BITS(&sfp->fs_rtmax),
1439 EXTRACT_32BITS(&sfp->fs_rtpref),
1440 EXTRACT_32BITS(&sfp->fs_wtmax),
1441 EXTRACT_32BITS(&sfp->fs_wtpref),
1442 EXTRACT_32BITS(&sfp->fs_dtpref));
1443 if (vflag) {
1444 printf(" rtmult %u wtmult %u maxfsz %" PRIu64,
1445 EXTRACT_32BITS(&sfp->fs_rtmult),
1446 EXTRACT_32BITS(&sfp->fs_wtmult),
1447 EXTRACT_64BITS((u_int32_t *)&sfp->fs_maxfilesize));
1448 printf(" delta %u.%06u ",
1449 EXTRACT_32BITS(&sfp->fs_timedelta.nfsv3_sec),
1450 EXTRACT_32BITS(&sfp->fs_timedelta.nfsv3_nsec));
1451 }
1452 return (1);
1453 trunc:
1454 return (0);
1455 }
1456
1457 static int
1458 parsepathconf(const u_int32_t *dp)
1459 {
1460 int er;
1461 struct nfsv3_pathconf *spp;
1462
1463 if (!(dp = parsestatus(dp, &er)))
1464 return (0);
1465 if (vflag)
1466 printf(" POST:");
1467 if (!(dp = parse_post_op_attr(dp, vflag)))
1468 return (0);
1469 if (er)
1470 return (1);
1471
1472 spp = (struct nfsv3_pathconf *)dp;
1473 TCHECK(*spp);
1474
1475 printf(" linkmax %u namemax %u %s %s %s %s",
1476 EXTRACT_32BITS(&spp->pc_linkmax),
1477 EXTRACT_32BITS(&spp->pc_namemax),
1478 EXTRACT_32BITS(&spp->pc_notrunc) ? "notrunc" : "",
1479 EXTRACT_32BITS(&spp->pc_chownrestricted) ? "chownres" : "",
1480 EXTRACT_32BITS(&spp->pc_caseinsensitive) ? "igncase" : "",
1481 EXTRACT_32BITS(&spp->pc_casepreserving) ? "keepcase" : "");
1482 return (1);
1483 trunc:
1484 return (0);
1485 }
1486
1487 static void
1488 interp_reply(const struct sunrpc_msg *rp, u_int32_t proc, u_int32_t vers, int length)
1489 {
1490 register const u_int32_t *dp;
1491 register int v3;
1492 int er;
1493
1494 v3 = (vers == NFS_VER3);
1495
1496 if (!v3 && proc < NFS_NPROCS)
1497 proc = nfsv3_procid[proc];
1498
1499 switch (proc) {
1500
1501 case NFSPROC_NOOP:
1502 printf(" nop");
1503 return;
1504
1505 case NFSPROC_NULL:
1506 printf(" null");
1507 return;
1508
1509 case NFSPROC_GETATTR:
1510 printf(" getattr");
1511 dp = parserep(rp, length);
1512 if (dp != NULL && parseattrstat(dp, !qflag, v3) != 0)
1513 return;
1514 break;
1515
1516 case NFSPROC_SETATTR:
1517 printf(" setattr");
1518 if (!(dp = parserep(rp, length)))
1519 return;
1520 if (v3) {
1521 if (parsewccres(dp, vflag))
1522 return;
1523 } else {
1524 if (parseattrstat(dp, !qflag, 0) != 0)
1525 return;
1526 }
1527 break;
1528
1529 case NFSPROC_LOOKUP:
1530 printf(" lookup");
1531 if (!(dp = parserep(rp, length)))
1532 break;
1533 if (v3) {
1534 if (!(dp = parsestatus(dp, &er)))
1535 break;
1536 if (er) {
1537 if (vflag > 1) {
1538 printf(" post dattr:");
1539 dp = parse_post_op_attr(dp, vflag);
1540 }
1541 } else {
1542 if (!(dp = parsefh(dp, v3)))
1543 break;
1544 if ((dp = parse_post_op_attr(dp, vflag)) &&
1545 vflag > 1) {
1546 printf(" post dattr:");
1547 dp = parse_post_op_attr(dp, vflag);
1548 }
1549 }
1550 if (dp)
1551 return;
1552 } else {
1553 if (parsediropres(dp) != 0)
1554 return;
1555 }
1556 break;
1557
1558 case NFSPROC_ACCESS:
1559 printf(" access");
1560 if (!(dp = parserep(rp, length)))
1561 break;
1562 if (!(dp = parsestatus(dp, &er)))
1563 break;
1564 if (vflag)
1565 printf(" attr:");
1566 if (!(dp = parse_post_op_attr(dp, vflag)))
1567 break;
1568 if (!er)
1569 printf(" c %04x", EXTRACT_32BITS(&dp[0]));
1570 return;
1571
1572 case NFSPROC_READLINK:
1573 printf(" readlink");
1574 dp = parserep(rp, length);
1575 if (dp != NULL && parselinkres(dp, v3) != 0)
1576 return;
1577 break;
1578
1579 case NFSPROC_READ:
1580 printf(" read");
1581 if (!(dp = parserep(rp, length)))
1582 break;
1583 if (v3) {
1584 if (!(dp = parsestatus(dp, &er)))
1585 break;
1586 if (!(dp = parse_post_op_attr(dp, vflag)))
1587 break;
1588 if (er)
1589 return;
1590 if (vflag) {
1591 TCHECK(dp[1]);
1592 printf(" %u bytes", EXTRACT_32BITS(&dp[0]));
1593 if (EXTRACT_32BITS(&dp[1]))
1594 printf(" EOF");
1595 }
1596 return;
1597 } else {
1598 if (parseattrstat(dp, vflag, 0) != 0)
1599 return;
1600 }
1601 break;
1602
1603 case NFSPROC_WRITE:
1604 printf(" write");
1605 if (!(dp = parserep(rp, length)))
1606 break;
1607 if (v3) {
1608 if (!(dp = parsestatus(dp, &er)))
1609 break;
1610 if (!(dp = parse_wcc_data(dp, vflag)))
1611 break;
1612 if (er)
1613 return;
1614 if (vflag) {
1615 TCHECK(dp[0]);
1616 printf(" %u bytes", EXTRACT_32BITS(&dp[0]));
1617 if (vflag > 1) {
1618 TCHECK(dp[1]);
1619 printf(" <%s>",
1620 tok2str(nfsv3_writemodes,
1621 NULL, EXTRACT_32BITS(&dp[1])));
1622 }
1623 return;
1624 }
1625 } else {
1626 if (parseattrstat(dp, vflag, v3) != 0)
1627 return;
1628 }
1629 break;
1630
1631 case NFSPROC_CREATE:
1632 printf(" create");
1633 if (!(dp = parserep(rp, length)))
1634 break;
1635 if (v3) {
1636 if (parsecreateopres(dp, vflag) != 0)
1637 return;
1638 } else {
1639 if (parsediropres(dp) != 0)
1640 return;
1641 }
1642 break;
1643
1644 case NFSPROC_MKDIR:
1645 printf(" mkdir");
1646 if (!(dp = parserep(rp, length)))
1647 break;
1648 if (v3) {
1649 if (parsecreateopres(dp, vflag) != 0)
1650 return;
1651 } else {
1652 if (parsediropres(dp) != 0)
1653 return;
1654 }
1655 break;
1656
1657 case NFSPROC_SYMLINK:
1658 printf(" symlink");
1659 if (!(dp = parserep(rp, length)))
1660 break;
1661 if (v3) {
1662 if (parsecreateopres(dp, vflag) != 0)
1663 return;
1664 } else {
1665 if (parsestatus(dp, &er) != 0)
1666 return;
1667 }
1668 break;
1669
1670 case NFSPROC_MKNOD:
1671 printf(" mknod");
1672 if (!(dp = parserep(rp, length)))
1673 break;
1674 if (parsecreateopres(dp, vflag) != 0)
1675 return;
1676 break;
1677
1678 case NFSPROC_REMOVE:
1679 printf(" remove");
1680 if (!(dp = parserep(rp, length)))
1681 break;
1682 if (v3) {
1683 if (parsewccres(dp, vflag))
1684 return;
1685 } else {
1686 if (parsestatus(dp, &er) != 0)
1687 return;
1688 }
1689 break;
1690
1691 case NFSPROC_RMDIR:
1692 printf(" rmdir");
1693 if (!(dp = parserep(rp, length)))
1694 break;
1695 if (v3) {
1696 if (parsewccres(dp, vflag))
1697 return;
1698 } else {
1699 if (parsestatus(dp, &er) != 0)
1700 return;
1701 }
1702 break;
1703
1704 case NFSPROC_RENAME:
1705 printf(" rename");
1706 if (!(dp = parserep(rp, length)))
1707 break;
1708 if (v3) {
1709 if (!(dp = parsestatus(dp, &er)))
1710 break;
1711 if (vflag) {
1712 printf(" from:");
1713 if (!(dp = parse_wcc_data(dp, vflag)))
1714 break;
1715 printf(" to:");
1716 if (!(dp = parse_wcc_data(dp, vflag)))
1717 break;
1718 }
1719 return;
1720 } else {
1721 if (parsestatus(dp, &er) != 0)
1722 return;
1723 }
1724 break;
1725
1726 case NFSPROC_LINK:
1727 printf(" link");
1728 if (!(dp = parserep(rp, length)))
1729 break;
1730 if (v3) {
1731 if (!(dp = parsestatus(dp, &er)))
1732 break;
1733 if (vflag) {
1734 printf(" file POST:");
1735 if (!(dp = parse_post_op_attr(dp, vflag)))
1736 break;
1737 printf(" dir:");
1738 if (!(dp = parse_wcc_data(dp, vflag)))
1739 break;
1740 return;
1741 }
1742 } else {
1743 if (parsestatus(dp, &er) != 0)
1744 return;
1745 }
1746 break;
1747
1748 case NFSPROC_READDIR:
1749 printf(" readdir");
1750 if (!(dp = parserep(rp, length)))
1751 break;
1752 if (v3) {
1753 if (parsev3rddirres(dp, vflag))
1754 return;
1755 } else {
1756 if (parserddires(dp) != 0)
1757 return;
1758 }
1759 break;
1760
1761 case NFSPROC_READDIRPLUS:
1762 printf(" readdirplus");
1763 if (!(dp = parserep(rp, length)))
1764 break;
1765 if (parsev3rddirres(dp, vflag))
1766 return;
1767 break;
1768
1769 case NFSPROC_FSSTAT:
1770 printf(" fsstat");
1771 dp = parserep(rp, length);
1772 if (dp != NULL && parsestatfs(dp, v3) != 0)
1773 return;
1774 break;
1775
1776 case NFSPROC_FSINFO:
1777 printf(" fsinfo");
1778 dp = parserep(rp, length);
1779 if (dp != NULL && parsefsinfo(dp) != 0)
1780 return;
1781 break;
1782
1783 case NFSPROC_PATHCONF:
1784 printf(" pathconf");
1785 dp = parserep(rp, length);
1786 if (dp != NULL && parsepathconf(dp) != 0)
1787 return;
1788 break;
1789
1790 case NFSPROC_COMMIT:
1791 printf(" commit");
1792 dp = parserep(rp, length);
1793 if (dp != NULL && parsewccres(dp, vflag) != 0)
1794 return;
1795 break;
1796
1797 default:
1798 printf(" proc-%u", proc);
1799 return;
1800 }
1801 trunc:
1802 if (!nfserr)
1803 fputs(" [|nfs]", stdout);
1804 }
DragonFly BSD