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[tcpdump] / print-nfs.c
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[] =
24 "@(#) $Header: /tcpdump/master/tcpdump/print-nfs.c,v 1.77 2000-06-12 15:45:05 itojun Exp $ (LBL)";
25 #endif
26
27 #ifdef HAVE_CONFIG_H
28 #include "config.h"
29 #endif
30
31 #include <sys/param.h>
32 #include <sys/time.h>
33 #include <sys/socket.h>
34
35 #if __STDC__
36 struct mbuf;
37 struct rtentry;
38 #endif
39 #include <net/if.h>
40
41 #include <netinet/in.h>
42 #include <netinet/if_ether.h>
43 #include <netinet/in_systm.h>
44 #include <netinet/ip.h>
45 #ifdef INET6
46 #include <netinet/ip6.h>
47 #endif
48
49 #include <rpc/rpc.h>
50
51 #include <ctype.h>
52 #include <pcap.h>
53 #include <stdio.h>
54 #include <string.h>
55
56 #include "interface.h"
57 #include "addrtoname.h"
58
59 #include "nfs.h"
60 #include "nfsfh.h"
61
62 static void nfs_printfh(const u_int32_t *, const u_int);
63 static void xid_map_enter(const struct rpc_msg *, const u_char *);
64 static int32_t xid_map_find(const struct rpc_msg *, const u_char *,
65 u_int32_t *, u_int32_t *);
66 static void interp_reply(const struct rpc_msg *, u_int32_t, u_int32_t, int);
67 static const u_int32_t *parse_post_op_attr(const u_int32_t *, int);
68 static void print_sattr3(const struct nfsv3_sattr *sa3, int verbose);
69 static int print_int64(const u_int32_t *dp, int how);
70 static void print_nfsaddr(const u_char *, const char *, const char *);
71
72 /*
73 * Mapping of old NFS Version 2 RPC numbers to generic numbers.
74 */
75 u_int32_t nfsv3_procid[NFS_NPROCS] = {
76 NFSPROC_NULL,
77 NFSPROC_GETATTR,
78 NFSPROC_SETATTR,
79 NFSPROC_NOOP,
80 NFSPROC_LOOKUP,
81 NFSPROC_READLINK,
82 NFSPROC_READ,
83 NFSPROC_NOOP,
84 NFSPROC_WRITE,
85 NFSPROC_CREATE,
86 NFSPROC_REMOVE,
87 NFSPROC_RENAME,
88 NFSPROC_LINK,
89 NFSPROC_SYMLINK,
90 NFSPROC_MKDIR,
91 NFSPROC_RMDIR,
92 NFSPROC_READDIR,
93 NFSPROC_FSSTAT,
94 NFSPROC_NOOP,
95 NFSPROC_NOOP,
96 NFSPROC_NOOP,
97 NFSPROC_NOOP,
98 NFSPROC_NOOP,
99 NFSPROC_NOOP,
100 NFSPROC_NOOP,
101 NFSPROC_NOOP
102 };
103
104 static struct tok nfsv3_writemodes[] = {
105 { 0, "unstable" },
106 { 1, "datasync" },
107 { 2, "filesync" },
108 { 0, NULL }
109 };
110
111 static struct tok type2str[] = {
112 { NFNON, "NON" },
113 { NFREG, "REG" },
114 { NFDIR, "DIR" },
115 { NFBLK, "BLK" },
116 { NFCHR, "CHR" },
117 { NFLNK, "LNK" },
118 { NFFIFO, "FIFO" },
119 { 0, NULL }
120 };
121
122 /*
123 * Print out a 64-bit integer. This appears to be different on each system,
124 * try to make the best of it. The integer stored as 2 consecutive XDR
125 * encoded 32-bit integers, to which a pointer is passed.
126 *
127 * Assume that a system that has INT64_FORMAT defined, has a 64-bit
128 * integer datatype and can print it.
129 */
130
131 #define UNSIGNED 0
132 #define SIGNED 1
133 #define HEX 2
134
135 static int print_int64(const u_int32_t *dp, int how)
136 {
137 #ifdef INT64_FORMAT
138 u_int64_t res;
139
140 res = ((u_int64_t)ntohl(dp[0]) << 32) | (u_int64_t)ntohl(dp[1]);
141 switch (how) {
142 case SIGNED:
143 printf(INT64_FORMAT, res);
144 break;
145 case UNSIGNED:
146 printf(U_INT64_FORMAT, res);
147 break;
148 case HEX:
149 printf(HEX_INT64_FORMAT, res);
150 break;
151 default:
152 return (0);
153 }
154 #else
155 switch (how) {
156 case SIGNED:
157 case UNSIGNED:
158 case HEX:
159 printf("0x%x%08x", (u_int32_t)ntohl(dp[0]),
160 (u_int32_t)ntohl(dp[1]));
161 break;
162 default:
163 return (0);
164 }
165 #endif
166 return 1;
167 }
168
169 static void
170 print_nfsaddr(const u_char *bp, const char *s, const char *d)
171 {
172 struct ip *ip;
173 #ifdef INET6
174 struct ip6_hdr *ip6;
175 char srcaddr[INET6_ADDRSTRLEN], dstaddr[INET6_ADDRSTRLEN];
176 #else
177 #ifndef INET_ADDRSTRLEN
178 #define INET_ADDRSTRLEN 16
179 #endif
180 char srcaddr[INET_ADDRSTRLEN], dstaddr[INET_ADDRSTRLEN];
181 #endif
182
183 srcaddr[0] = dstaddr[0] = '\0';
184 switch (((struct ip *)bp)->ip_v) {
185 case 4:
186 ip = (struct ip *)bp;
187 strlcpy(srcaddr, ipaddr_string(&ip->ip_src), sizeof(srcaddr));
188 strlcpy(dstaddr, ipaddr_string(&ip->ip_dst), sizeof(dstaddr));
189 break;
190 #ifdef INET6
191 case 6:
192 ip6 = (struct ip6_hdr *)bp;
193 strlcpy(srcaddr, ip6addr_string(&ip6->ip6_src),
194 sizeof(srcaddr));
195 strlcpy(dstaddr, ip6addr_string(&ip6->ip6_dst),
196 sizeof(dstaddr));
197 break;
198 #endif
199 default:
200 strlcpy(srcaddr, "?", sizeof(srcaddr));
201 strlcpy(dstaddr, "?", sizeof(dstaddr));
202 break;
203 }
204
205 (void)printf("%s.%s > %s.%s: ", srcaddr, s, dstaddr, d);
206 }
207
208 static const u_int32_t *
209 parse_sattr3(const u_int32_t *dp, struct nfsv3_sattr *sa3)
210 {
211 TCHECK(dp[0]);
212 if ((sa3->sa_modeset = ntohl(*dp++))) {
213 TCHECK(dp[0]);
214 sa3->sa_mode = ntohl(*dp++);
215 }
216
217 TCHECK(dp[0]);
218 if ((sa3->sa_uidset = ntohl(*dp++))) {
219 TCHECK(dp[0]);
220 sa3->sa_uid = ntohl(*dp++);
221 }
222
223 TCHECK(dp[0]);
224 if ((sa3->sa_gidset = ntohl(*dp++))) {
225 TCHECK(dp[0]);
226 sa3->sa_gid = ntohl(*dp++);
227 }
228
229 TCHECK(dp[0]);
230 if ((sa3->sa_sizeset = ntohl(*dp++))) {
231 TCHECK(dp[0]);
232 sa3->sa_size = ntohl(*dp++);
233 }
234
235 TCHECK(dp[0]);
236 if ((sa3->sa_atimetype = ntohl(*dp++)) == NFSV3SATTRTIME_TOCLIENT) {
237 TCHECK(dp[1]);
238 sa3->sa_atime.nfsv3_sec = ntohl(*dp++);
239 sa3->sa_atime.nfsv3_nsec = ntohl(*dp++);
240 }
241
242 TCHECK(dp[0]);
243 if ((sa3->sa_mtimetype = ntohl(*dp++)) == NFSV3SATTRTIME_TOCLIENT) {
244 TCHECK(dp[1]);
245 sa3->sa_mtime.nfsv3_sec = ntohl(*dp++);
246 sa3->sa_mtime.nfsv3_nsec = ntohl(*dp++);
247 }
248
249 return dp;
250 trunc:
251 return NULL;
252 }
253
254 static int nfserr; /* true if we error rather than trunc */
255
256 static void
257 print_sattr3(const struct nfsv3_sattr *sa3, int verbose)
258 {
259 if (sa3->sa_modeset)
260 printf(" mode %o", sa3->sa_mode);
261 if (sa3->sa_uidset)
262 printf(" uid %u", sa3->sa_uid);
263 if (sa3->sa_gidset)
264 printf(" gid %u", sa3->sa_gid);
265 if (verbose > 1) {
266 if (sa3->sa_atimetype == NFSV3SATTRTIME_TOCLIENT)
267 printf(" atime %u.%06u", sa3->sa_atime.nfsv3_sec,
268 sa3->sa_atime.nfsv3_nsec);
269 if (sa3->sa_mtimetype == NFSV3SATTRTIME_TOCLIENT)
270 printf(" mtime %u.%06u", sa3->sa_mtime.nfsv3_sec,
271 sa3->sa_mtime.nfsv3_nsec);
272 }
273 }
274
275 void
276 nfsreply_print(register const u_char *bp, u_int length,
277 register const u_char *bp2)
278 {
279 register const struct rpc_msg *rp;
280 u_int32_t proc, vers;
281 char srcid[20], dstid[20]; /*fits 32bit*/
282
283 nfserr = 0; /* assume no error */
284 rp = (const struct rpc_msg *)bp;
285
286 if (!nflag) {
287 strlcpy(srcid, "nfs", sizeof(srcid));
288 snprintf(dstid, sizeof(dstid), "%u",
289 (u_int32_t)ntohl(rp->rm_xid));
290 } else {
291 snprintf(srcid, sizeof(srcid), "%u", NFS_PORT);
292 snprintf(dstid, sizeof(dstid), "%u",
293 (u_int32_t)ntohl(rp->rm_xid));
294 }
295 print_nfsaddr(bp2, srcid, dstid);
296 (void)printf("reply %s %d",
297 ntohl(rp->rm_reply.rp_stat) == MSG_ACCEPTED?
298 "ok":"ERR",
299 length);
300
301 if (xid_map_find(rp, bp2, &proc, &vers) >= 0)
302 interp_reply(rp, proc, vers, length);
303 }
304
305 /*
306 * Return a pointer to the first file handle in the packet.
307 * If the packet was truncated, return 0.
308 */
309 static const u_int32_t *
310 parsereq(register const struct rpc_msg *rp, register u_int length)
311 {
312 register const u_int32_t *dp;
313 register u_int len;
314
315 /*
316 * find the start of the req data (if we captured it)
317 */
318 dp = (u_int32_t *)&rp->rm_call.cb_cred;
319 TCHECK(dp[1]);
320 len = ntohl(dp[1]);
321 if (len < length) {
322 dp += (len + (2 * sizeof(*dp) + 3)) / sizeof(*dp);
323 TCHECK(dp[1]);
324 len = ntohl(dp[1]);
325 if (len < length) {
326 dp += (len + (2 * sizeof(*dp) + 3)) / sizeof(*dp);
327 TCHECK2(dp[0], 0);
328 return (dp);
329 }
330 }
331 trunc:
332 return (NULL);
333 }
334
335 /*
336 * Print out an NFS file handle and return a pointer to following word.
337 * If packet was truncated, return 0.
338 */
339 static const u_int32_t *
340 parsefh(register const u_int32_t *dp, int v3)
341 {
342 int len;
343
344 if (v3) {
345 TCHECK(dp[0]);
346 len = (int)ntohl(*dp) / 4;
347 dp++;
348 } else
349 len = NFSX_V2FH / 4;
350
351 if (TTEST2(*dp, len * sizeof(*dp))) {
352 nfs_printfh(dp, len);
353 return (dp + len);
354 }
355 trunc:
356 return (NULL);
357 }
358
359 /*
360 * Print out a file name and return pointer to 32-bit word past it.
361 * If packet was truncated, return 0.
362 */
363 static const u_int32_t *
364 parsefn(register const u_int32_t *dp)
365 {
366 register u_int32_t len;
367 register const u_char *cp;
368
369 /* Bail if we don't have the string length */
370 TCHECK(*dp);
371
372 /* Fetch string length; convert to host order */
373 len = *dp++;
374 NTOHL(len);
375
376 TCHECK2(*dp, ((len + 3) & ~3));
377
378 cp = (u_char *)dp;
379 /* Update 32-bit pointer (NFS filenames padded to 32-bit boundaries) */
380 dp += ((len + 3) & ~3) / sizeof(*dp);
381 /* XXX seems like we should be checking the length */
382 putchar('"');
383 (void) fn_printn(cp, len, NULL);
384 putchar('"');
385
386 return (dp);
387 trunc:
388 return NULL;
389 }
390
391 /*
392 * Print out file handle and file name.
393 * Return pointer to 32-bit word past file name.
394 * If packet was truncated (or there was some other error), return 0.
395 */
396 static const u_int32_t *
397 parsefhn(register const u_int32_t *dp, int v3)
398 {
399 dp = parsefh(dp, v3);
400 if (dp == NULL)
401 return (NULL);
402 putchar(' ');
403 return (parsefn(dp));
404 }
405
406 void
407 nfsreq_print(register const u_char *bp, u_int length,
408 register const u_char *bp2)
409 {
410 register const struct rpc_msg *rp;
411 register const u_int32_t *dp;
412 nfstype type;
413 int v3;
414 u_int32_t proc;
415 struct nfsv3_sattr sa3;
416 char srcid[20], dstid[20]; /*fits 32bit*/
417
418 nfserr = 0; /* assume no error */
419 rp = (const struct rpc_msg *)bp;
420 if (!nflag) {
421 snprintf(srcid, sizeof(srcid), "%u",
422 (u_int32_t)ntohl(rp->rm_xid));
423 strlcpy(dstid, "nfs", sizeof(dstid));
424 } else {
425 snprintf(srcid, sizeof(srcid), "%u",
426 (u_int32_t)ntohl(rp->rm_xid));
427 snprintf(dstid, sizeof(dstid), "%u", NFS_PORT);
428 }
429 print_nfsaddr(bp2, srcid, dstid);
430 (void)printf("%d", length);
431
432 xid_map_enter(rp, bp2); /* record proc number for later on */
433
434 v3 = (ntohl(rp->rm_call.cb_vers) == NFS_VER3);
435 proc = ntohl(rp->rm_call.cb_proc);
436
437 if (!v3 && proc < NFS_NPROCS)
438 proc = nfsv3_procid[proc];
439
440 switch (proc) {
441 case NFSPROC_NOOP:
442 printf(" nop");
443 return;
444 case NFSPROC_NULL:
445 printf(" null");
446 return;
447
448 case NFSPROC_GETATTR:
449 printf(" getattr");
450 if ((dp = parsereq(rp, length)) != NULL &&
451 parsefh(dp, v3) != NULL)
452 return;
453 break;
454
455 case NFSPROC_SETATTR:
456 printf(" setattr");
457 if ((dp = parsereq(rp, length)) != NULL &&
458 parsefh(dp, v3) != NULL)
459 return;
460 break;
461
462 case NFSPROC_LOOKUP:
463 printf(" lookup");
464 if ((dp = parsereq(rp, length)) != NULL &&
465 parsefhn(dp, v3) != NULL)
466 return;
467 break;
468
469 case NFSPROC_ACCESS:
470 printf(" access");
471 if ((dp = parsereq(rp, length)) != NULL &&
472 (dp = parsefh(dp, v3)) != NULL) {
473 TCHECK(dp[0]);
474 printf(" %04x", (u_int32_t)ntohl(dp[0]));
475 return;
476 }
477 break;
478
479 case NFSPROC_READLINK:
480 printf(" readlink");
481 if ((dp = parsereq(rp, length)) != NULL &&
482 parsefh(dp, v3) != NULL)
483 return;
484 break;
485
486 case NFSPROC_READ:
487 printf(" read");
488 if ((dp = parsereq(rp, length)) != NULL &&
489 (dp = parsefh(dp, v3)) != NULL) {
490 if (v3) {
491 TCHECK(dp[2]);
492 printf(" %u bytes @ ",
493 (u_int32_t) ntohl(dp[2]));
494 print_int64(dp, UNSIGNED);
495 } else {
496 TCHECK(dp[1]);
497 printf(" %u bytes @ %u",
498 (u_int32_t)ntohl(dp[1]),
499 (u_int32_t)ntohl(dp[0]));
500 }
501 return;
502 }
503 break;
504
505 case NFSPROC_WRITE:
506 printf(" write");
507 if ((dp = parsereq(rp, length)) != NULL &&
508 (dp = parsefh(dp, v3)) != NULL) {
509 if (v3) {
510 TCHECK(dp[4]);
511 printf(" %u bytes @ ",
512 (u_int32_t) ntohl(dp[4]));
513 print_int64(dp, UNSIGNED);
514 if (vflag) {
515 dp += 3;
516 TCHECK(dp[0]);
517 printf(" <%s>",
518 tok2str(nfsv3_writemodes,
519 NULL, ntohl(*dp)));
520 }
521 } else {
522 TCHECK(dp[3]);
523 printf(" %u (%u) bytes @ %u (%u)",
524 (u_int32_t)ntohl(dp[3]),
525 (u_int32_t)ntohl(dp[2]),
526 (u_int32_t)ntohl(dp[1]),
527 (u_int32_t)ntohl(dp[0]));
528 }
529 return;
530 }
531 break;
532
533 case NFSPROC_CREATE:
534 printf(" create");
535 if ((dp = parsereq(rp, length)) != NULL &&
536 parsefhn(dp, v3) != NULL)
537 return;
538 break;
539
540 case NFSPROC_MKDIR:
541 printf(" mkdir");
542 if ((dp = parsereq(rp, length)) != 0 && parsefhn(dp, v3) != 0)
543 return;
544 break;
545
546 case NFSPROC_SYMLINK:
547 printf(" symlink");
548 if ((dp = parsereq(rp, length)) != 0 &&
549 (dp = parsefhn(dp, v3)) != 0) {
550 fputs(" ->", stdout);
551 if (v3 && (dp = parse_sattr3(dp, &sa3)) == 0)
552 break;
553 if (parsefn(dp) == 0)
554 break;
555 if (v3 && vflag)
556 print_sattr3(&sa3, vflag);
557 return;
558 }
559 break;
560
561 case NFSPROC_MKNOD:
562 printf(" mknod");
563 if ((dp = parsereq(rp, length)) != 0 &&
564 (dp = parsefhn(dp, v3)) != 0) {
565 TCHECK(*dp);
566 type = (nfstype)ntohl(*dp++);
567 if ((dp = parse_sattr3(dp, &sa3)) == 0)
568 break;
569 printf(" %s", tok2str(type2str, "unk-ft %d", type));
570 if (vflag && (type == NFCHR || type == NFBLK)) {
571 TCHECK(dp[1]);
572 printf(" %u/%u",
573 (u_int32_t)ntohl(dp[0]),
574 (u_int32_t)ntohl(dp[1]));
575 dp += 2;
576 }
577 if (vflag)
578 print_sattr3(&sa3, vflag);
579 return;
580 }
581 break;
582
583 case NFSPROC_REMOVE:
584 printf(" remove");
585 if ((dp = parsereq(rp, length)) != NULL &&
586 parsefhn(dp, v3) != NULL)
587 return;
588 break;
589
590 case NFSPROC_RMDIR:
591 printf(" rmdir");
592 if ((dp = parsereq(rp, length)) != NULL &&
593 parsefhn(dp, v3) != NULL)
594 return;
595 break;
596
597 case NFSPROC_RENAME:
598 printf(" rename");
599 if ((dp = parsereq(rp, length)) != NULL &&
600 (dp = parsefhn(dp, v3)) != NULL) {
601 fputs(" ->", stdout);
602 if (parsefhn(dp, v3) != NULL)
603 return;
604 }
605 break;
606
607 case NFSPROC_LINK:
608 printf(" link");
609 if ((dp = parsereq(rp, length)) != NULL &&
610 (dp = parsefh(dp, v3)) != NULL) {
611 fputs(" ->", stdout);
612 if (parsefhn(dp, v3) != NULL)
613 return;
614 }
615 break;
616
617 case NFSPROC_READDIR:
618 printf(" readdir");
619 if ((dp = parsereq(rp, length)) != NULL &&
620 (dp = parsefh(dp, v3)) != NULL) {
621 if (v3) {
622 TCHECK(dp[4]);
623 /*
624 * We shouldn't really try to interpret the
625 * offset cookie here.
626 */
627 printf(" %u bytes @ ",
628 (u_int32_t) ntohl(dp[4]));
629 print_int64(dp, SIGNED);
630 if (vflag)
631 printf(" verf %08x%08x", dp[2],
632 dp[3]);
633 } else {
634 TCHECK(dp[1]);
635 /*
636 * Print the offset as signed, since -1 is
637 * common, but offsets > 2^31 aren't.
638 */
639 printf(" %u bytes @ %d",
640 (u_int32_t)ntohl(dp[1]),
641 (u_int32_t)ntohl(dp[0]));
642 }
643 return;
644 }
645 break;
646
647 case NFSPROC_READDIRPLUS:
648 printf(" readdirplus");
649 if ((dp = parsereq(rp, length)) != NULL &&
650 (dp = parsefh(dp, v3)) != NULL) {
651 TCHECK(dp[4]);
652 /*
653 * We don't try to interpret the offset
654 * cookie here.
655 */
656 printf(" %u bytes @ ", (u_int32_t) ntohl(dp[4]));
657 print_int64(dp, SIGNED);
658 if (vflag)
659 printf(" max %u verf %08x%08x",
660 (u_int32_t) ntohl(dp[5]), dp[2], dp[3]);
661 return;
662 }
663 break;
664
665 case NFSPROC_FSSTAT:
666 printf(" fsstat");
667 if ((dp = parsereq(rp, length)) != NULL &&
668 parsefh(dp, v3) != NULL)
669 return;
670 break;
671
672 case NFSPROC_FSINFO:
673 printf(" fsinfo");
674 break;
675
676 case NFSPROC_PATHCONF:
677 printf(" pathconf");
678 break;
679
680 case NFSPROC_COMMIT:
681 printf(" commit");
682 if ((dp = parsereq(rp, length)) != NULL &&
683 (dp = parsefh(dp, v3)) != NULL) {
684 printf(" %u bytes @ ", (u_int32_t) ntohl(dp[2]));
685 print_int64(dp, UNSIGNED);
686 return;
687 }
688 break;
689
690 default:
691 printf(" proc-%u", (u_int32_t)ntohl(rp->rm_call.cb_proc));
692 return;
693 }
694
695 trunc:
696 if (!nfserr)
697 fputs(" [|nfs]", stdout);
698 }
699
700 /*
701 * Print out an NFS file handle.
702 * We assume packet was not truncated before the end of the
703 * file handle pointed to by dp.
704 *
705 * Note: new version (using portable file-handle parser) doesn't produce
706 * generation number. It probably could be made to do that, with some
707 * additional hacking on the parser code.
708 */
709 static void
710 nfs_printfh(register const u_int32_t *dp, const u_int len)
711 {
712 my_fsid fsid;
713 ino_t ino;
714 char *sfsname = NULL;
715
716 Parse_fh((caddr_t*)dp, len, &fsid, &ino, NULL, &sfsname, 0);
717
718 if (sfsname) {
719 /* file system ID is ASCII, not numeric, for this server OS */
720 static char temp[NFSX_V3FHMAX+1];
721
722 /* Make sure string is null-terminated */
723 strncpy(temp, sfsname, NFSX_V3FHMAX);
724 temp[sizeof(temp) - 1] = '\0';
725 /* Remove trailing spaces */
726 sfsname = strchr(temp, ' ');
727 if (sfsname)
728 *sfsname = 0;
729
730 (void)printf(" fh %s/", temp);
731 } else {
732 (void)printf(" fh %d,%d/",
733 fsid.Fsid_dev.Major, fsid.Fsid_dev.Minor);
734 }
735
736 if(fsid.Fsid_dev.Minor == 257 && uflag)
737 /* Print the undecoded handle */
738 (void)printf("%s", fsid.Opaque_Handle);
739 else
740 (void)printf("%ld", (long) ino);
741 }
742
743 /*
744 * Maintain a small cache of recent client.XID.server/proc pairs, to allow
745 * us to match up replies with requests and thus to know how to parse
746 * the reply.
747 */
748
749 struct xid_map_entry {
750 u_int32_t xid; /* transaction ID (net order) */
751 int ipver; /* IP version (4 or 6) */
752 #ifdef INET6
753 struct in6_addr client; /* client IP address (net order) */
754 struct in6_addr server; /* server IP address (net order) */
755 #else
756 struct in_addr client; /* client IP address (net order) */
757 struct in_addr server; /* server IP address (net order) */
758 #endif
759 u_int32_t proc; /* call proc number (host order) */
760 u_int32_t vers; /* program version (host order) */
761 };
762
763 /*
764 * Map entries are kept in an array that we manage as a ring;
765 * new entries are always added at the tail of the ring. Initially,
766 * all the entries are zero and hence don't match anything.
767 */
768
769 #define XIDMAPSIZE 64
770
771 struct xid_map_entry xid_map[XIDMAPSIZE];
772
773 int xid_map_next = 0;
774 int xid_map_hint = 0;
775
776 static void
777 xid_map_enter(const struct rpc_msg *rp, const u_char *bp)
778 {
779 struct ip *ip = NULL;
780 #ifdef INET6
781 struct ip6_hdr *ip6 = NULL;
782 #endif
783 struct xid_map_entry *xmep;
784
785 switch (((struct ip *)bp)->ip_v) {
786 case 4:
787 ip = (struct ip *)bp;
788 break;
789 #ifdef INET6
790 case 6:
791 ip6 = (struct ip6_hdr *)bp;
792 break;
793 #endif
794 default:
795 return;
796 }
797
798 xmep = &xid_map[xid_map_next];
799
800 if (++xid_map_next >= XIDMAPSIZE)
801 xid_map_next = 0;
802
803 xmep->xid = rp->rm_xid;
804 if (ip) {
805 xmep->ipver = 4;
806 memcpy(&xmep->client, &ip->ip_src, sizeof(ip->ip_src));
807 memcpy(&xmep->server, &ip->ip_dst, sizeof(ip->ip_dst));
808 }
809 #ifdef INET6
810 else if (ip6) {
811 xmep->ipver = 6;
812 memcpy(&xmep->client, &ip6->ip6_src, sizeof(ip6->ip6_src));
813 memcpy(&xmep->server, &ip6->ip6_dst, sizeof(ip6->ip6_dst));
814 }
815 #endif
816 xmep->proc = ntohl(rp->rm_call.cb_proc);
817 xmep->vers = ntohl(rp->rm_call.cb_vers);
818 }
819
820 /*
821 * Returns 0 and puts NFSPROC_xxx in proc return and
822 * version in vers return, or returns -1 on failure
823 */
824 static int
825 xid_map_find(const struct rpc_msg *rp, const u_char *bp, u_int32_t *proc,
826 u_int32_t *vers)
827 {
828 int i;
829 struct xid_map_entry *xmep;
830 u_int32_t xid = rp->rm_xid;
831 struct ip *ip = (struct ip *)ip;
832 #ifdef INET6
833 struct ip6_hdr *ip6 = (struct ip6_hdr *)bp;
834 #endif
835 int cmp;
836
837 /* Start searching from where we last left off */
838 i = xid_map_hint;
839 do {
840 xmep = &xid_map[i];
841 cmp = 1;
842 if (xmep->ipver != ip->ip_v || xmep->xid != xid)
843 goto nextitem;
844 switch (xmep->ipver) {
845 case 4:
846 if (memcmp(&ip->ip_src, &xmep->server,
847 sizeof(ip->ip_src)) != 0 ||
848 memcmp(&ip->ip_dst, &xmep->client,
849 sizeof(ip->ip_dst)) != 0) {
850 cmp = 0;
851 }
852 break;
853 #ifdef INET6
854 case 6:
855 if (memcmp(&ip6->ip6_src, &xmep->server,
856 sizeof(ip6->ip6_src)) != 0 ||
857 memcmp(&ip6->ip6_dst, &xmep->client,
858 sizeof(ip6->ip6_dst)) != 0) {
859 cmp = 0;
860 }
861 break;
862 #endif
863 default:
864 cmp = 0;
865 break;
866 }
867 if (cmp) {
868 /* match */
869 xid_map_hint = i;
870 *proc = xmep->proc;
871 *vers = xmep->vers;
872 return 0;
873 }
874 nextitem:
875 if (++i >= XIDMAPSIZE)
876 i = 0;
877 } while (i != xid_map_hint);
878
879 /* search failed */
880 return (-1);
881 }
882
883 /*
884 * Routines for parsing reply packets
885 */
886
887 /*
888 * Return a pointer to the beginning of the actual results.
889 * If the packet was truncated, return 0.
890 */
891 static const u_int32_t *
892 parserep(register const struct rpc_msg *rp, register u_int length)
893 {
894 register const u_int32_t *dp;
895 u_int len;
896 enum accept_stat astat;
897
898 /*
899 * Portability note:
900 * Here we find the address of the ar_verf credentials.
901 * Originally, this calculation was
902 * dp = (u_int32_t *)&rp->rm_reply.rp_acpt.ar_verf
903 * On the wire, the rp_acpt field starts immediately after
904 * the (32 bit) rp_stat field. However, rp_acpt (which is a
905 * "struct accepted_reply") contains a "struct opaque_auth",
906 * whose internal representation contains a pointer, so on a
907 * 64-bit machine the compiler inserts 32 bits of padding
908 * before rp->rm_reply.rp_acpt.ar_verf. So, we cannot use
909 * the internal representation to parse the on-the-wire
910 * representation. Instead, we skip past the rp_stat field,
911 * which is an "enum" and so occupies one 32-bit word.
912 */
913 dp = ((const u_int32_t *)&rp->rm_reply) + 1;
914 TCHECK(dp[1]);
915 len = ntohl(dp[1]);
916 if (len >= length)
917 return (NULL);
918 /*
919 * skip past the ar_verf credentials.
920 */
921 dp += (len + (2*sizeof(u_int32_t) + 3)) / sizeof(u_int32_t);
922 TCHECK2(dp[0], 0);
923
924 /*
925 * now we can check the ar_stat field
926 */
927 astat = ntohl(*(enum accept_stat *)dp);
928 switch (astat) {
929
930 case SUCCESS:
931 break;
932
933 case PROG_UNAVAIL:
934 printf(" PROG_UNAVAIL");
935 nfserr = 1; /* suppress trunc string */
936 return (NULL);
937
938 case PROG_MISMATCH:
939 printf(" PROG_MISMATCH");
940 nfserr = 1; /* suppress trunc string */
941 return (NULL);
942
943 case PROC_UNAVAIL:
944 printf(" PROC_UNAVAIL");
945 nfserr = 1; /* suppress trunc string */
946 return (NULL);
947
948 case GARBAGE_ARGS:
949 printf(" GARBAGE_ARGS");
950 nfserr = 1; /* suppress trunc string */
951 return (NULL);
952
953 case SYSTEM_ERR:
954 printf(" SYSTEM_ERR");
955 nfserr = 1; /* suppress trunc string */
956 return (NULL);
957
958 default:
959 printf(" ar_stat %d", astat);
960 nfserr = 1; /* suppress trunc string */
961 return (NULL);
962 }
963 /* successful return */
964 TCHECK2(*dp, sizeof(astat));
965 return ((u_int32_t *) (sizeof(astat) + ((char *)dp)));
966 trunc:
967 return (0);
968 }
969
970 static const u_int32_t *
971 parsestatus(const u_int32_t *dp, int *er)
972 {
973 int errnum;
974
975 TCHECK(dp[0]);
976
977 errnum = ntohl(dp[0]);
978 if (er)
979 *er = errnum;
980 if (errnum != 0) {
981 if (!qflag)
982 printf(" ERROR: %s", pcap_strerror(errnum));
983 nfserr = 1;
984 return (NULL);
985 }
986 return (dp + 1);
987 trunc:
988 return NULL;
989 }
990
991 static const u_int32_t *
992 parsefattr(const u_int32_t *dp, int verbose, int v3)
993 {
994 const struct nfs_fattr *fap;
995
996 fap = (const struct nfs_fattr *)dp;
997 TCHECK(fap->fa_gid);
998 if (verbose) {
999 printf(" %s %o ids %d/%d",
1000 tok2str(type2str, "unk-ft %d ",
1001 (u_int32_t)ntohl(fap->fa_type)),
1002 (u_int32_t)ntohl(fap->fa_mode),
1003 (u_int32_t)ntohl(fap->fa_uid),
1004 (u_int32_t) ntohl(fap->fa_gid));
1005 if (v3) {
1006 TCHECK(fap->fa3_size);
1007 printf(" sz ");
1008 print_int64((u_int32_t *)&fap->fa3_size, UNSIGNED);
1009 putchar(' ');
1010 } else {
1011 TCHECK(fap->fa2_size);
1012 printf(" sz %d ", (u_int32_t) ntohl(fap->fa2_size));
1013 }
1014 }
1015 /* print lots more stuff */
1016 if (verbose > 1) {
1017 if (v3) {
1018 TCHECK(fap->fa3_ctime);
1019 printf("nlink %d rdev %d/%d ",
1020 (u_int32_t)ntohl(fap->fa_nlink),
1021 (u_int32_t) ntohl(fap->fa3_rdev.specdata1),
1022 (u_int32_t) ntohl(fap->fa3_rdev.specdata2));
1023 printf("fsid ");
1024 print_int64((u_int32_t *)&fap->fa2_fsid, HEX);
1025 printf(" nodeid ");
1026 print_int64((u_int32_t *)&fap->fa2_fileid, HEX);
1027 printf(" a/m/ctime %u.%06u ",
1028 (u_int32_t) ntohl(fap->fa3_atime.nfsv3_sec),
1029 (u_int32_t) ntohl(fap->fa3_atime.nfsv3_nsec));
1030 printf("%u.%06u ",
1031 (u_int32_t) ntohl(fap->fa3_mtime.nfsv3_sec),
1032 (u_int32_t) ntohl(fap->fa3_mtime.nfsv3_nsec));
1033 printf("%u.%06u ",
1034 (u_int32_t) ntohl(fap->fa3_ctime.nfsv3_sec),
1035 (u_int32_t) ntohl(fap->fa3_ctime.nfsv3_nsec));
1036 } else {
1037 TCHECK(fap->fa2_ctime);
1038 printf("nlink %d rdev %x fsid %x nodeid %x a/m/ctime ",
1039 (u_int32_t) ntohl(fap->fa_nlink),
1040 (u_int32_t) ntohl(fap->fa2_rdev),
1041 (u_int32_t) ntohl(fap->fa2_fsid),
1042 (u_int32_t) ntohl(fap->fa2_fileid));
1043 printf("%u.%06u ",
1044 (u_int32_t) ntohl(fap->fa2_atime.nfsv2_sec),
1045 (u_int32_t) ntohl(fap->fa2_atime.nfsv2_usec));
1046 printf("%u.%06u ",
1047 (u_int32_t) ntohl(fap->fa2_mtime.nfsv2_sec),
1048 (u_int32_t) ntohl(fap->fa2_mtime.nfsv2_usec));
1049 printf("%u.%06u ",
1050 (u_int32_t) ntohl(fap->fa2_ctime.nfsv2_sec),
1051 (u_int32_t) ntohl(fap->fa2_ctime.nfsv2_usec));
1052 }
1053 }
1054 return ((const u_int32_t *)((unsigned char *)dp +
1055 (v3 ? NFSX_V3FATTR : NFSX_V2FATTR)));
1056 trunc:
1057 return (NULL);
1058 }
1059
1060 static int
1061 parseattrstat(const u_int32_t *dp, int verbose, int v3)
1062 {
1063 int er;
1064
1065 dp = parsestatus(dp, &er);
1066 if (dp == NULL || er)
1067 return (0);
1068
1069 return (parsefattr(dp, verbose, v3) != NULL);
1070 }
1071
1072 static int
1073 parsediropres(const u_int32_t *dp)
1074 {
1075 int er;
1076
1077 if (!(dp = parsestatus(dp, &er)) || er)
1078 return (0);
1079
1080 dp = parsefh(dp, 0);
1081 if (dp == NULL)
1082 return (0);
1083
1084 return (parsefattr(dp, vflag, 0) != NULL);
1085 }
1086
1087 static int
1088 parselinkres(const u_int32_t *dp, int v3)
1089 {
1090 int er;
1091
1092 dp = parsestatus(dp, &er);
1093 if (dp == NULL || er)
1094 return(0);
1095 if (v3 && !(dp = parse_post_op_attr(dp, vflag)))
1096 return (0);
1097 putchar(' ');
1098 return (parsefn(dp) != NULL);
1099 }
1100
1101 static int
1102 parsestatfs(const u_int32_t *dp, int v3)
1103 {
1104 const struct nfs_statfs *sfsp;
1105 int er;
1106
1107 dp = parsestatus(dp, &er);
1108 if (dp == NULL || (!v3 && er))
1109 return (0);
1110
1111 if (qflag)
1112 return(1);
1113
1114 if (v3) {
1115 if (vflag)
1116 printf(" POST:");
1117 if (!(dp = parse_post_op_attr(dp, vflag)))
1118 return (0);
1119 }
1120
1121 TCHECK2(dp, (v3 ? NFSX_V3STATFS : NFSX_V2STATFS));
1122
1123 sfsp = (const struct nfs_statfs *)dp;
1124
1125 if (v3) {
1126 printf(" tbytes ");
1127 print_int64((u_int32_t *)&sfsp->sf_tbytes, UNSIGNED);
1128 printf(" fbytes ");
1129 print_int64((u_int32_t *)&sfsp->sf_fbytes, UNSIGNED);
1130 printf(" abytes ");
1131 print_int64((u_int32_t *)&sfsp->sf_abytes, UNSIGNED);
1132 if (vflag) {
1133 printf(" tfiles ");
1134 print_int64((u_int32_t *)&sfsp->sf_tfiles, UNSIGNED);
1135 printf(" ffiles ");
1136 print_int64((u_int32_t *)&sfsp->sf_ffiles, UNSIGNED);
1137 printf(" afiles ");
1138 print_int64((u_int32_t *)&sfsp->sf_afiles, UNSIGNED);
1139 printf(" invar %u",
1140 (u_int32_t) ntohl(sfsp->sf_invarsec));
1141 }
1142 } else {
1143 printf(" tsize %d bsize %d blocks %d bfree %d bavail %d",
1144 (u_int32_t)ntohl(sfsp->sf_tsize),
1145 (u_int32_t)ntohl(sfsp->sf_bsize),
1146 (u_int32_t)ntohl(sfsp->sf_blocks),
1147 (u_int32_t)ntohl(sfsp->sf_bfree),
1148 (u_int32_t)ntohl(sfsp->sf_bavail));
1149 }
1150
1151 return (1);
1152 trunc:
1153 return (0);
1154 }
1155
1156 static int
1157 parserddires(const u_int32_t *dp)
1158 {
1159 int er;
1160
1161 dp = parsestatus(dp, &er);
1162 if (dp == 0 || er)
1163 return (0);
1164 if (qflag)
1165 return (1);
1166
1167 TCHECK(dp[2]);
1168 printf(" offset %x size %d ",
1169 (u_int32_t)ntohl(dp[0]), (u_int32_t)ntohl(dp[1]));
1170 if (dp[2] != 0)
1171 printf(" eof");
1172
1173 return (1);
1174 trunc:
1175 return (0);
1176 }
1177
1178 static const u_int32_t *
1179 parse_wcc_attr(const u_int32_t *dp)
1180 {
1181 printf(" sz ");
1182 print_int64(dp, UNSIGNED);
1183 printf(" mtime %u.%06u ctime %u.%06u",
1184 (u_int32_t)ntohl(dp[2]), (u_int32_t)ntohl(dp[3]),
1185 (u_int32_t)ntohl(dp[4]), (u_int32_t)ntohl(dp[5]));
1186 return (dp + 6);
1187 }
1188
1189 /*
1190 * Pre operation attributes. Print only if vflag > 1.
1191 */
1192 static const u_int32_t *
1193 parse_pre_op_attr(const u_int32_t *dp, int verbose)
1194 {
1195 TCHECK(dp[0]);
1196 if (!ntohl(dp[0]))
1197 return (dp + 1);
1198 dp++;
1199 TCHECK2(dp, 24);
1200 if (verbose > 1) {
1201 return parse_wcc_attr(dp);
1202 } else {
1203 /* If not verbose enough, just skip over wcc_attr */
1204 return (dp + 6);
1205 }
1206 trunc:
1207 return (NULL);
1208 }
1209
1210 /*
1211 * Post operation attributes are printed if vflag >= 1
1212 */
1213 static const u_int32_t *
1214 parse_post_op_attr(const u_int32_t *dp, int verbose)
1215 {
1216 TCHECK(dp[0]);
1217 if (!ntohl(dp[0]))
1218 return (dp + 1);
1219 dp++;
1220 if (verbose) {
1221 return parsefattr(dp, verbose, 1);
1222 } else
1223 return (dp + (NFSX_V3FATTR / sizeof (u_int32_t)));
1224 trunc:
1225 return (NULL);
1226 }
1227
1228 static const u_int32_t *
1229 parse_wcc_data(const u_int32_t *dp, int verbose)
1230 {
1231 if (verbose > 1)
1232 printf(" PRE:");
1233 if (!(dp = parse_pre_op_attr(dp, verbose)))
1234 return (0);
1235
1236 if (verbose)
1237 printf(" POST:");
1238 return parse_post_op_attr(dp, verbose);
1239 }
1240
1241 static const u_int32_t *
1242 parsecreateopres(const u_int32_t *dp, int verbose)
1243 {
1244 int er;
1245
1246 if (!(dp = parsestatus(dp, &er)))
1247 return (0);
1248 if (er)
1249 dp = parse_wcc_data(dp, verbose);
1250 else {
1251 TCHECK(dp[0]);
1252 if (!ntohl(dp[0]))
1253 return (dp + 1);
1254 dp++;
1255 if (!(dp = parsefh(dp, 1)))
1256 return (0);
1257 if (verbose) {
1258 if (!(dp = parse_post_op_attr(dp, verbose)))
1259 return (0);
1260 if (vflag > 1) {
1261 printf("dir attr:");
1262 dp = parse_wcc_data(dp, verbose);
1263 }
1264 }
1265 }
1266 return (dp);
1267 trunc:
1268 return (NULL);
1269 }
1270
1271 static int
1272 parsewccres(const u_int32_t *dp, int verbose)
1273 {
1274 int er;
1275
1276 if (!(dp = parsestatus(dp, &er)))
1277 return (0);
1278 return parse_wcc_data(dp, verbose) != 0;
1279 }
1280
1281 static const u_int32_t *
1282 parsev3rddirres(const u_int32_t *dp, int verbose)
1283 {
1284 int er;
1285
1286 if (!(dp = parsestatus(dp, &er)))
1287 return (0);
1288 if (vflag)
1289 printf(" POST:");
1290 if (!(dp = parse_post_op_attr(dp, verbose)))
1291 return (0);
1292 if (er)
1293 return dp;
1294 if (vflag) {
1295 TCHECK(dp[1]);
1296 printf(" verf %08x%08x", dp[0], dp[1]);
1297 dp += 2;
1298 }
1299 return dp;
1300 trunc:
1301 return (NULL);
1302 }
1303
1304 static int
1305 parsefsinfo(const u_int32_t *dp)
1306 {
1307 struct nfsv3_fsinfo *sfp;
1308 int er;
1309
1310 if (!(dp = parsestatus(dp, &er)))
1311 return (0);
1312 if (vflag)
1313 printf(" POST:");
1314 if (!(dp = parse_post_op_attr(dp, vflag)))
1315 return (0);
1316 if (er)
1317 return (1);
1318
1319 sfp = (struct nfsv3_fsinfo *)dp;
1320 TCHECK(*sfp);
1321 printf(" rtmax %u rtpref %u wtmax %u wtpref %u dtpref %u",
1322 (u_int32_t) ntohl(sfp->fs_rtmax),
1323 (u_int32_t) ntohl(sfp->fs_rtpref),
1324 (u_int32_t) ntohl(sfp->fs_wtmax),
1325 (u_int32_t) ntohl(sfp->fs_wtpref),
1326 (u_int32_t) ntohl(sfp->fs_dtpref));
1327 if (vflag) {
1328 printf(" rtmult %u wtmult %u maxfsz ",
1329 (u_int32_t) ntohl(sfp->fs_rtmult),
1330 (u_int32_t) ntohl(sfp->fs_wtmult));
1331 print_int64((u_int32_t *)&sfp->fs_maxfilesize, UNSIGNED);
1332 printf(" delta %u.%06u ",
1333 (u_int32_t) ntohl(sfp->fs_timedelta.nfsv3_sec),
1334 (u_int32_t) ntohl(sfp->fs_timedelta.nfsv3_nsec));
1335 }
1336 return (0);
1337 trunc:
1338 return (1);
1339 }
1340
1341 static int
1342 parsepathconf(const u_int32_t *dp)
1343 {
1344 int er;
1345 struct nfsv3_pathconf *spp;
1346
1347 if (!(dp = parsestatus(dp, &er)))
1348 return (0);
1349 if (vflag)
1350 printf(" POST:");
1351 if (!(dp = parse_post_op_attr(dp, vflag)))
1352 return (0);
1353 if (er)
1354 return (1);
1355
1356 spp = (struct nfsv3_pathconf *)dp;
1357 TCHECK(*spp);
1358
1359 printf(" linkmax %u namemax %u %s %s %s %s",
1360 (u_int32_t) ntohl(spp->pc_linkmax),
1361 (u_int32_t) ntohl(spp->pc_namemax),
1362 ntohl(spp->pc_notrunc) ? "notrunc" : "",
1363 ntohl(spp->pc_chownrestricted) ? "chownres" : "",
1364 ntohl(spp->pc_caseinsensitive) ? "igncase" : "",
1365 ntohl(spp->pc_casepreserving) ? "keepcase" : "");
1366 return (0);
1367 trunc:
1368 return (1);
1369 }
1370
1371 static void
1372 interp_reply(const struct rpc_msg *rp, u_int32_t proc, u_int32_t vers, int length)
1373 {
1374 register const u_int32_t *dp;
1375 register int v3;
1376 int er;
1377
1378 v3 = (vers == NFS_VER3);
1379
1380 if (!v3 && proc < NFS_NPROCS)
1381 proc = nfsv3_procid[proc];
1382
1383 switch (proc) {
1384
1385 case NFSPROC_NOOP:
1386 printf(" nop");
1387 return;
1388
1389 case NFSPROC_NULL:
1390 printf(" null");
1391 return;
1392
1393 case NFSPROC_GETATTR:
1394 printf(" getattr");
1395 dp = parserep(rp, length);
1396 if (dp != NULL && parseattrstat(dp, !qflag, v3) != 0)
1397 return;
1398 break;
1399
1400 case NFSPROC_SETATTR:
1401 printf(" setattr");
1402 if (!(dp = parserep(rp, length)))
1403 return;
1404 if (v3) {
1405 if (parsewccres(dp, vflag))
1406 return;
1407 } else {
1408 if (parseattrstat(dp, !qflag, 0) != 0)
1409 return;
1410 }
1411 break;
1412
1413 case NFSPROC_LOOKUP:
1414 printf(" lookup");
1415 if (!(dp = parserep(rp, length)))
1416 break;
1417 if (v3) {
1418 if (!(dp = parsestatus(dp, &er)))
1419 break;
1420 if (er) {
1421 if (vflag > 1) {
1422 printf(" post dattr:");
1423 dp = parse_post_op_attr(dp, vflag);
1424 }
1425 } else {
1426 if (!(dp = parsefh(dp, v3)))
1427 break;
1428 if ((dp = parse_post_op_attr(dp, vflag)) &&
1429 vflag > 1) {
1430 printf(" post dattr:");
1431 dp = parse_post_op_attr(dp, vflag);
1432 }
1433 }
1434 if (dp)
1435 return;
1436 } else {
1437 if (parsediropres(dp) != 0)
1438 return;
1439 }
1440 break;
1441
1442 case NFSPROC_ACCESS:
1443 printf(" access");
1444 dp = parserep(rp, length);
1445 if (!(dp = parsestatus(dp, &er)))
1446 break;
1447 if (vflag)
1448 printf(" attr:");
1449 if (!(dp = parse_post_op_attr(dp, vflag)))
1450 break;
1451 if (!er)
1452 printf(" c %04x", (u_int32_t)ntohl(dp[0]));
1453 return;
1454
1455 case NFSPROC_READLINK:
1456 printf(" readlink");
1457 dp = parserep(rp, length);
1458 if (dp != NULL && parselinkres(dp, v3) != 0)
1459 return;
1460 break;
1461
1462 case NFSPROC_READ:
1463 printf(" read");
1464 if (!(dp = parserep(rp, length)))
1465 break;
1466 if (v3) {
1467 if (!(dp = parsestatus(dp, &er)))
1468 break;
1469 if (!(dp = parse_post_op_attr(dp, vflag)))
1470 break;
1471 if (er)
1472 return;
1473 if (vflag) {
1474 TCHECK(dp[1]);
1475 printf("%u bytes", (u_int32_t) ntohl(dp[0]));
1476 if (ntohl(dp[1]))
1477 printf(" EOF");
1478 }
1479 return;
1480 } else {
1481 if (parseattrstat(dp, vflag, 0) != 0)
1482 return;
1483 }
1484 break;
1485
1486 case NFSPROC_WRITE:
1487 printf(" write");
1488 if (!(dp = parserep(rp, length)))
1489 break;
1490 if (v3) {
1491 if (!(dp = parsestatus(dp, &er)))
1492 break;
1493 if (!(dp = parse_wcc_data(dp, vflag)))
1494 break;
1495 if (er)
1496 return;
1497 if (vflag) {
1498 TCHECK(dp[0]);
1499 printf("%u bytes", (u_int32_t) ntohl(dp[0]));
1500 if (vflag > 1) {
1501 TCHECK(dp[1]);
1502 printf(" <%s>",
1503 tok2str(nfsv3_writemodes,
1504 NULL, ntohl(dp[1])));
1505 }
1506 return;
1507 }
1508 } else {
1509 if (parseattrstat(dp, vflag, v3) != 0)
1510 return;
1511 }
1512 break;
1513
1514 case NFSPROC_CREATE:
1515 printf(" create");
1516 if (!(dp = parserep(rp, length)))
1517 break;
1518 if (v3) {
1519 if (parsecreateopres(dp, vflag) != 0)
1520 return;
1521 } else {
1522 if (parsediropres(dp) != 0)
1523 return;
1524 }
1525 break;
1526
1527 case NFSPROC_MKDIR:
1528 printf(" mkdir");
1529 if (!(dp = parserep(rp, length)))
1530 break;
1531 if (v3) {
1532 if (parsecreateopres(dp, vflag) != 0)
1533 return;
1534 } else {
1535 if (parsediropres(dp) != 0)
1536 return;
1537 }
1538 break;
1539
1540 case NFSPROC_SYMLINK:
1541 printf(" symlink");
1542 if (!(dp = parserep(rp, length)))
1543 break;
1544 if (v3) {
1545 if (parsecreateopres(dp, vflag) != 0)
1546 return;
1547 } else {
1548 if (parsestatus(dp, &er) != 0)
1549 return;
1550 }
1551 break;
1552
1553 case NFSPROC_MKNOD:
1554 printf(" mknod");
1555 if (!(dp = parserep(rp, length)))
1556 break;
1557 if (parsecreateopres(dp, vflag) != 0)
1558 return;
1559 break;
1560
1561 case NFSPROC_REMOVE:
1562 printf(" remove");
1563 if (!(dp = parserep(rp, length)))
1564 break;
1565 if (v3) {
1566 if (parsewccres(dp, vflag))
1567 return;
1568 } else {
1569 if (parsestatus(dp, &er) != 0)
1570 return;
1571 }
1572 break;
1573
1574 case NFSPROC_RMDIR:
1575 printf(" rmdir");
1576 if (!(dp = parserep(rp, length)))
1577 break;
1578 if (v3) {
1579 if (parsewccres(dp, vflag))
1580 return;
1581 } else {
1582 if (parsestatus(dp, &er) != 0)
1583 return;
1584 }
1585 break;
1586
1587 case NFSPROC_RENAME:
1588 printf(" rename");
1589 if (!(dp = parserep(rp, length)))
1590 break;
1591 if (v3) {
1592 if (!(dp = parsestatus(dp, &er)))
1593 break;
1594 if (vflag) {
1595 printf(" from:");
1596 if (!(dp = parse_wcc_data(dp, vflag)))
1597 break;
1598 printf(" to:");
1599 if (!(dp = parse_wcc_data(dp, vflag)))
1600 break;
1601 }
1602 return;
1603 } else {
1604 if (parsestatus(dp, &er) != 0)
1605 return;
1606 }
1607 break;
1608
1609 case NFSPROC_LINK:
1610 printf(" link");
1611 if (!(dp = parserep(rp, length)))
1612 break;
1613 if (v3) {
1614 if (!(dp = parsestatus(dp, &er)))
1615 break;
1616 if (vflag) {
1617 printf(" file POST:");
1618 if (!(dp = parse_post_op_attr(dp, vflag)))
1619 break;
1620 printf(" dir:");
1621 if (!(dp = parse_wcc_data(dp, vflag)))
1622 break;
1623 return;
1624 }
1625 } else {
1626 if (parsestatus(dp, &er) != 0)
1627 return;
1628 }
1629 break;
1630
1631 case NFSPROC_READDIR:
1632 printf(" readdir");
1633 if (!(dp = parserep(rp, length)))
1634 break;
1635 if (v3) {
1636 if (parsev3rddirres(dp, vflag))
1637 return;
1638 } else {
1639 if (parserddires(dp) != 0)
1640 return;
1641 }
1642 break;
1643
1644 case NFSPROC_READDIRPLUS:
1645 printf(" readdirplus");
1646 if (!(dp = parserep(rp, length)))
1647 break;
1648 if (parsev3rddirres(dp, vflag))
1649 return;
1650 break;
1651
1652 case NFSPROC_FSSTAT:
1653 printf(" fsstat");
1654 dp = parserep(rp, length);
1655 if (dp != NULL && parsestatfs(dp, v3) != 0)
1656 return;
1657 break;
1658
1659 case NFSPROC_FSINFO:
1660 printf(" fsinfo");
1661 dp = parserep(rp, length);
1662 if (dp != NULL && parsefsinfo(dp) != 0)
1663 return;
1664 break;
1665
1666 case NFSPROC_PATHCONF:
1667 printf(" pathconf");
1668 dp = parserep(rp, length);
1669 if (dp != NULL && parsepathconf(dp) != 0)
1670 return;
1671 break;
1672
1673 case NFSPROC_COMMIT:
1674 printf(" commit");
1675 dp = parserep(rp, length);
1676 if (dp != NULL && parsewccres(dp, vflag) != 0)
1677 return;
1678 break;
1679
1680 default:
1681 printf(" proc-%u", proc);
1682 return;
1683 }
1684 trunc:
1685 if (!nfserr)
1686 fputs(" [|nfs]", stdout);
1687 }
[mirror] the TCPdump network dissector