tcpdump  4.99.1
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print-nfs.c
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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 /* \summary: Network File System (NFS) printer */
23 
24 #ifdef HAVE_CONFIG_H
25 #include <config.h>
26 #endif
27 
28 #include "netdissect-stdinc.h"
29 
30 #include <stdio.h>
31 #include <string.h>
32 #include <limits.h>
33 
34 #include "netdissect.h"
35 #include "addrtoname.h"
36 #include "extract.h"
37 
38 #include "nfs.h"
39 #include "nfsfh.h"
40 
41 #include "ip.h"
42 #include "ip6.h"
43 #include "rpc_auth.h"
44 #include "rpc_msg.h"
45 
46 
47 static void nfs_printfh(netdissect_options *, const uint32_t *, const u_int);
48 static int xid_map_enter(netdissect_options *, const struct sunrpc_msg *, const u_char *);
49 static int xid_map_find(netdissect_options *, const struct sunrpc_msg *, const u_char *, uint32_t *, uint32_t *);
50 static void interp_reply(netdissect_options *, const struct sunrpc_msg *, uint32_t, uint32_t, int);
51 static const uint32_t *parse_post_op_attr(netdissect_options *, const uint32_t *, int);
52 
53 /*
54  * Mapping of old NFS Version 2 RPC numbers to generic numbers.
55  */
56 static uint32_t nfsv3_procid[NFS_NPROCS] = {
83 };
84 
85 static const struct tok nfsproc_str[] = {
86  { NFSPROC_NOOP, "nop" },
87  { NFSPROC_NULL, "null" },
88  { NFSPROC_GETATTR, "getattr" },
89  { NFSPROC_SETATTR, "setattr" },
90  { NFSPROC_LOOKUP, "lookup" },
91  { NFSPROC_ACCESS, "access" },
92  { NFSPROC_READLINK, "readlink" },
93  { NFSPROC_READ, "read" },
94  { NFSPROC_WRITE, "write" },
95  { NFSPROC_CREATE, "create" },
96  { NFSPROC_MKDIR, "mkdir" },
97  { NFSPROC_SYMLINK, "symlink" },
98  { NFSPROC_MKNOD, "mknod" },
99  { NFSPROC_REMOVE, "remove" },
100  { NFSPROC_RMDIR, "rmdir" },
101  { NFSPROC_RENAME, "rename" },
102  { NFSPROC_LINK, "link" },
103  { NFSPROC_READDIR, "readdir" },
104  { NFSPROC_READDIRPLUS, "readdirplus" },
105  { NFSPROC_FSSTAT, "fsstat" },
106  { NFSPROC_FSINFO, "fsinfo" },
107  { NFSPROC_PATHCONF, "pathconf" },
108  { NFSPROC_COMMIT, "commit" },
109  { 0, NULL }
110 };
111 
112 /*
113  * NFS V2 and V3 status values.
114  *
115  * Some of these come from the RFCs for NFS V2 and V3, with the message
116  * strings taken from the FreeBSD C library "errlst.c".
117  *
118  * Others are errors that are not in the RFC but that I suspect some
119  * NFS servers could return; the values are FreeBSD errno values, as
120  * the first NFS server was the SunOS 2.0 one, and until 5.0 SunOS
121  * was primarily BSD-derived.
122  */
123 static const struct tok status2str[] = {
124  { 1, "Operation not permitted" }, /* EPERM */
125  { 2, "No such file or directory" }, /* ENOENT */
126  { 5, "Input/output error" }, /* EIO */
127  { 6, "Device not configured" }, /* ENXIO */
128  { 11, "Resource deadlock avoided" }, /* EDEADLK */
129  { 12, "Cannot allocate memory" }, /* ENOMEM */
130  { 13, "Permission denied" }, /* EACCES */
131  { 17, "File exists" }, /* EEXIST */
132  { 18, "Cross-device link" }, /* EXDEV */
133  { 19, "Operation not supported by device" }, /* ENODEV */
134  { 20, "Not a directory" }, /* ENOTDIR */
135  { 21, "Is a directory" }, /* EISDIR */
136  { 22, "Invalid argument" }, /* EINVAL */
137  { 26, "Text file busy" }, /* ETXTBSY */
138  { 27, "File too large" }, /* EFBIG */
139  { 28, "No space left on device" }, /* ENOSPC */
140  { 30, "Read-only file system" }, /* EROFS */
141  { 31, "Too many links" }, /* EMLINK */
142  { 45, "Operation not supported" }, /* EOPNOTSUPP */
143  { 62, "Too many levels of symbolic links" }, /* ELOOP */
144  { 63, "File name too long" }, /* ENAMETOOLONG */
145  { 66, "Directory not empty" }, /* ENOTEMPTY */
146  { 69, "Disc quota exceeded" }, /* EDQUOT */
147  { 70, "Stale NFS file handle" }, /* ESTALE */
148  { 71, "Too many levels of remote in path" }, /* EREMOTE */
149  { 99, "Write cache flushed to disk" }, /* NFSERR_WFLUSH (not used) */
150  { 10001, "Illegal NFS file handle" }, /* NFS3ERR_BADHANDLE */
151  { 10002, "Update synchronization mismatch" }, /* NFS3ERR_NOT_SYNC */
152  { 10003, "READDIR/READDIRPLUS cookie is stale" }, /* NFS3ERR_BAD_COOKIE */
153  { 10004, "Operation not supported" }, /* NFS3ERR_NOTSUPP */
154  { 10005, "Buffer or request is too small" }, /* NFS3ERR_TOOSMALL */
155  { 10006, "Unspecified error on server" }, /* NFS3ERR_SERVERFAULT */
156  { 10007, "Object of that type not supported" }, /* NFS3ERR_BADTYPE */
157  { 10008, "Request couldn't be completed in time" }, /* NFS3ERR_JUKEBOX */
158  { 0, NULL }
159 };
160 
161 static const struct tok nfsv3_writemodes[] = {
162  { 0, "unstable" },
163  { 1, "datasync" },
164  { 2, "filesync" },
165  { 0, NULL }
166 };
167 
168 static const struct tok type2str[] = {
169  { NFNON, "NON" },
170  { NFREG, "REG" },
171  { NFDIR, "DIR" },
172  { NFBLK, "BLK" },
173  { NFCHR, "CHR" },
174  { NFLNK, "LNK" },
175  { NFFIFO, "FIFO" },
176  { 0, NULL }
177 };
178 
179 static const struct tok sunrpc_auth_str[] = {
180  { SUNRPC_AUTH_OK, "OK" },
181  { SUNRPC_AUTH_BADCRED, "Bogus Credentials (seal broken)" },
182  { SUNRPC_AUTH_REJECTEDCRED, "Rejected Credentials (client should begin new session)" },
183  { SUNRPC_AUTH_BADVERF, "Bogus Verifier (seal broken)" },
184  { SUNRPC_AUTH_REJECTEDVERF, "Verifier expired or was replayed" },
185  { SUNRPC_AUTH_TOOWEAK, "Credentials are too weak" },
186  { SUNRPC_AUTH_INVALIDRESP, "Bogus response verifier" },
187  { SUNRPC_AUTH_FAILED, "Unknown failure" },
188  { 0, NULL }
189 };
190 
191 static const struct tok sunrpc_str[] = {
192  { SUNRPC_PROG_UNAVAIL, "PROG_UNAVAIL" },
193  { SUNRPC_PROG_MISMATCH, "PROG_MISMATCH" },
194  { SUNRPC_PROC_UNAVAIL, "PROC_UNAVAIL" },
195  { SUNRPC_GARBAGE_ARGS, "GARBAGE_ARGS" },
196  { SUNRPC_SYSTEM_ERR, "SYSTEM_ERR" },
197  { 0, NULL }
198 };
199 
200 static void
202  const u_char *bp, const char *s, const char *d)
203 {
204  const struct ip *ip;
205  const struct ip6_hdr *ip6;
206  char srcaddr[INET6_ADDRSTRLEN], dstaddr[INET6_ADDRSTRLEN];
207 
208  srcaddr[0] = dstaddr[0] = '\0';
209  switch (IP_V((const struct ip *)bp)) {
210  case 4:
211  ip = (const struct ip *)bp;
212  strlcpy(srcaddr, GET_IPADDR_STRING(ip->ip_src), sizeof(srcaddr));
213  strlcpy(dstaddr, GET_IPADDR_STRING(ip->ip_dst), sizeof(dstaddr));
214  break;
215  case 6:
216  ip6 = (const struct ip6_hdr *)bp;
217  strlcpy(srcaddr, GET_IP6ADDR_STRING(ip6->ip6_src),
218  sizeof(srcaddr));
219  strlcpy(dstaddr, GET_IP6ADDR_STRING(ip6->ip6_dst),
220  sizeof(dstaddr));
221  break;
222  default:
223  strlcpy(srcaddr, "?", sizeof(srcaddr));
224  strlcpy(dstaddr, "?", sizeof(dstaddr));
225  break;
226  }
227 
228  ND_PRINT("%s.%s > %s.%s: ", srcaddr, s, dstaddr, d);
229 }
230 
231 /*
232  * NFS Version 3 sattr3 structure for the new node creation case.
233  * This does not have a fixed layout on the network, so this
234  * structure does not correspond to the layout of the data on
235  * the network; it's used to store the data when the sattr3
236  * is parsed for use when it's later printed.
237  */
238 struct nfsv3_sattr {
239  uint32_t sa_modeset;
240  uint32_t sa_mode;
241  uint32_t sa_uidset;
242  uint32_t sa_uid;
243  uint32_t sa_gidset;
244  uint32_t sa_gid;
245  uint32_t sa_sizeset;
246  uint32_t sa_size;
247  uint32_t sa_atimetype;
248  struct {
249  uint32_t nfsv3_sec;
250  uint32_t nfsv3_nsec;
252  uint32_t sa_mtimetype;
253  struct {
254  uint32_t nfsv3_sec;
255  uint32_t nfsv3_nsec;
257 };
258 
259 static const uint32_t *
261  const uint32_t *dp, struct nfsv3_sattr *sa3)
262 {
263  sa3->sa_modeset = GET_BE_U_4(dp);
264  dp++;
265  if (sa3->sa_modeset) {
266  sa3->sa_mode = GET_BE_U_4(dp);
267  dp++;
268  }
269 
270  sa3->sa_uidset = GET_BE_U_4(dp);
271  dp++;
272  if (sa3->sa_uidset) {
273  sa3->sa_uid = GET_BE_U_4(dp);
274  dp++;
275  }
276 
277  sa3->sa_gidset = GET_BE_U_4(dp);
278  dp++;
279  if (sa3->sa_gidset) {
280  sa3->sa_gid = GET_BE_U_4(dp);
281  dp++;
282  }
283 
284  sa3->sa_sizeset = GET_BE_U_4(dp);
285  dp++;
286  if (sa3->sa_sizeset) {
287  sa3->sa_size = GET_BE_U_4(dp);
288  dp++;
289  }
290 
291  sa3->sa_atimetype = GET_BE_U_4(dp);
292  dp++;
294  sa3->sa_atime.nfsv3_sec = GET_BE_U_4(dp);
295  dp++;
296  sa3->sa_atime.nfsv3_nsec = GET_BE_U_4(dp);
297  dp++;
298  }
299 
300  sa3->sa_mtimetype = GET_BE_U_4(dp);
301  dp++;
303  sa3->sa_mtime.nfsv3_sec = GET_BE_U_4(dp);
304  dp++;
305  sa3->sa_mtime.nfsv3_nsec = GET_BE_U_4(dp);
306  dp++;
307  }
308 
309  return dp;
310 }
311 
312 static void
314  const struct nfsv3_sattr *sa3, int verbose)
315 {
316  if (sa3->sa_modeset)
317  ND_PRINT(" mode %o", sa3->sa_mode);
318  if (sa3->sa_uidset)
319  ND_PRINT(" uid %u", sa3->sa_uid);
320  if (sa3->sa_gidset)
321  ND_PRINT(" gid %u", sa3->sa_gid);
322  if (verbose > 1) {
324  ND_PRINT(" atime %u.%06u", sa3->sa_atime.nfsv3_sec,
325  sa3->sa_atime.nfsv3_nsec);
327  ND_PRINT(" mtime %u.%06u", sa3->sa_mtime.nfsv3_sec,
328  sa3->sa_mtime.nfsv3_nsec);
329  }
330 }
331 
332 void
334  const u_char *bp, u_int length,
335  const u_char *bp2)
336 {
337  const struct sunrpc_msg *rp;
338  char srcid[20], dstid[20]; /*fits 32bit*/
339 
340  ndo->ndo_protocol = "nfs";
341  rp = (const struct sunrpc_msg *)bp;
342 
343  if (!ndo->ndo_nflag) {
344  strlcpy(srcid, "nfs", sizeof(srcid));
345  snprintf(dstid, sizeof(dstid), "%u",
346  GET_BE_U_4(rp->rm_xid));
347  } else {
348  snprintf(srcid, sizeof(srcid), "%u", NFS_PORT);
349  snprintf(dstid, sizeof(dstid), "%u",
350  GET_BE_U_4(rp->rm_xid));
351  }
352  print_nfsaddr(ndo, bp2, srcid, dstid);
353 
354  nfsreply_noaddr_print(ndo, bp, length, bp2);
355 }
356 
357 void
359  const u_char *bp, u_int length,
360  const u_char *bp2)
361 {
362  const struct sunrpc_msg *rp;
363  uint32_t proc, vers, reply_stat;
364  enum sunrpc_reject_stat rstat;
365  uint32_t rlow;
366  uint32_t rhigh;
367  enum sunrpc_auth_stat rwhy;
368 
369  ndo->ndo_protocol = "nfs";
370  rp = (const struct sunrpc_msg *)bp;
371 
372  ND_TCHECK_4(rp->rm_reply.rp_stat);
373  reply_stat = GET_BE_U_4(&rp->rm_reply.rp_stat);
374  switch (reply_stat) {
375 
376  case SUNRPC_MSG_ACCEPTED:
377  ND_PRINT("reply ok %u", length);
378  if (xid_map_find(ndo, rp, bp2, &proc, &vers) >= 0)
379  interp_reply(ndo, rp, proc, vers, length);
380  break;
381 
382  case SUNRPC_MSG_DENIED:
383  ND_PRINT("reply ERR %u: ", length);
384  ND_TCHECK_4(rp->rm_reply.rp_reject.rj_stat);
385  rstat = GET_BE_U_4(&rp->rm_reply.rp_reject.rj_stat);
386  switch (rstat) {
387 
388  case SUNRPC_RPC_MISMATCH:
389  ND_TCHECK_4(rp->rm_reply.rp_reject.rj_vers.high);
390  rlow = GET_BE_U_4(&rp->rm_reply.rp_reject.rj_vers.low);
391  rhigh = GET_BE_U_4(&rp->rm_reply.rp_reject.rj_vers.high);
392  ND_PRINT("RPC Version mismatch (%u-%u)", rlow, rhigh);
393  break;
394 
395  case SUNRPC_AUTH_ERROR:
396  ND_TCHECK_4(rp->rm_reply.rp_reject.rj_why);
397  rwhy = GET_BE_U_4(&rp->rm_reply.rp_reject.rj_why);
398  ND_PRINT("Auth %s", tok2str(sunrpc_auth_str, "Invalid failure code %u", rwhy));
399  break;
400 
401  default:
402  ND_PRINT("Unknown reason for rejecting rpc message %u", (unsigned int)rstat);
403  break;
404  }
405  break;
406 
407  default:
408  ND_PRINT("reply Unknown rpc response code=%u %u", reply_stat, length);
409  break;
410  }
411  return;
412 
413 trunc:
414  nd_print_trunc(ndo);
415 }
416 
417 /*
418  * Return a pointer to the first file handle in the packet.
419  * If the packet was truncated, return 0.
420  */
421 static const uint32_t *
423  const struct sunrpc_msg *rp, u_int length)
424 {
425  const uint32_t *dp;
426  u_int len, rounded_len;
427 
428  /*
429  * Find the start of the req data (if we captured it).
430  * First, get the length of the credentials, and make sure
431  * we have all of the opaque part of the credentials.
432  */
433  dp = (const uint32_t *)&rp->rm_call.cb_cred;
434  if (length < 2 * sizeof(*dp))
435  goto trunc;
436  len = GET_BE_U_4(dp + 1);
437  rounded_len = roundup2(len, 4);
438  ND_TCHECK_LEN(dp + 2, rounded_len);
439  if (2 * sizeof(*dp) + rounded_len <= length) {
440  /*
441  * We have all of the credentials. Skip past them; they
442  * consist of 4 bytes of flavor, 4 bytes of length,
443  * and len-rounded-up-to-a-multiple-of-4 bytes of
444  * data.
445  */
446  dp += (len + (2 * sizeof(*dp) + 3)) / sizeof(*dp);
447  length -= 2 * sizeof(*dp) + rounded_len;
448 
449  /*
450  * Now get the length of the verifier, and make sure
451  * we have all of the opaque part of the verifier.
452  */
453  if (length < 2 * sizeof(*dp))
454  goto trunc;
455  len = GET_BE_U_4(dp + 1);
456  rounded_len = roundup2(len, 4);
457  ND_TCHECK_LEN(dp + 2, rounded_len);
458  if (2 * sizeof(*dp) + rounded_len < length) {
459  /*
460  * We have all of the verifier. Skip past it;
461  * it consists of 4 bytes of flavor, 4 bytes of
462  * length, and len-rounded-up-to-a-multiple-of-4
463  * bytes of data.
464  */
465  dp += (len + (2 * sizeof(*dp) + 3)) / sizeof(*dp);
466  return (dp);
467  }
468  }
469 trunc:
470  return (NULL);
471 }
472 
473 /*
474  * Print out an NFS file handle and return a pointer to following word.
475  * If packet was truncated, return 0.
476  */
477 static const uint32_t *
479  const uint32_t *dp, int v3)
480 {
481  u_int len;
482 
483  if (v3) {
484  len = GET_BE_U_4(dp) / 4;
485  dp++;
486  } else
487  len = NFSX_V2FH / 4;
488 
489  if (ND_TTEST_LEN(dp, len * sizeof(*dp))) {
490  nfs_printfh(ndo, dp, len);
491  return (dp + len);
492  } else
493  return NULL;
494 }
495 
496 /*
497  * Print out a file name and return pointer to 32-bit word past it.
498  * If packet was truncated, return 0.
499  */
500 static const uint32_t *
502  const uint32_t *dp)
503 {
504  uint32_t len, rounded_len;
505  const u_char *cp;
506 
507  /* Fetch big-endian string length */
508  len = GET_BE_U_4(dp);
509  dp++;
510 
511  if (UINT_MAX - len < 3) {
512  ND_PRINT("[cannot pad to 32-bit boundaries]");
513  nd_print_invalid(ndo);
514  return NULL;
515  }
516 
517  rounded_len = roundup2(len, 4);
518  ND_TCHECK_LEN(dp, rounded_len);
519 
520  cp = (const u_char *)dp;
521  /* Update 32-bit pointer (NFS filenames padded to 32-bit boundaries) */
522  dp += rounded_len / sizeof(*dp);
523  ND_PRINT("\"");
524  if (nd_printn(ndo, cp, len, ndo->ndo_snapend)) {
525  ND_PRINT("\"");
526  goto trunc;
527  }
528  ND_PRINT("\"");
529 
530  return (dp);
531 trunc:
532  return NULL;
533 }
534 
535 /*
536  * Print out file handle and file name.
537  * Return pointer to 32-bit word past file name.
538  * If packet was truncated (or there was some other error), return 0.
539  */
540 static const uint32_t *
542  const uint32_t *dp, int v3)
543 {
544  dp = parsefh(ndo, dp, v3);
545  if (dp == NULL)
546  return (NULL);
547  ND_PRINT(" ");
548  return (parsefn(ndo, dp));
549 }
550 
551 void
553  const u_char *bp, u_int length,
554  const u_char *bp2)
555 {
556  const struct sunrpc_msg *rp;
557  const uint32_t *dp;
558  nfs_type type;
559  int v3;
560  uint32_t proc;
561  uint32_t access_flags;
562  struct nfsv3_sattr sa3;
563 
564  ndo->ndo_protocol = "nfs";
565  ND_PRINT("%u", length);
566  rp = (const struct sunrpc_msg *)bp;
567 
568  if (!xid_map_enter(ndo, rp, bp2)) /* record proc number for later on */
569  goto trunc;
570 
571  v3 = (GET_BE_U_4(&rp->rm_call.cb_vers) == NFS_VER3);
572  proc = GET_BE_U_4(&rp->rm_call.cb_proc);
573 
574  if (!v3 && proc < NFS_NPROCS)
575  proc = nfsv3_procid[proc];
576 
577  ND_PRINT(" %s", tok2str(nfsproc_str, "proc-%u", proc));
578  switch (proc) {
579 
580  case NFSPROC_GETATTR:
581  case NFSPROC_SETATTR:
582  case NFSPROC_READLINK:
583  case NFSPROC_FSSTAT:
584  case NFSPROC_FSINFO:
585  case NFSPROC_PATHCONF:
586  dp = parsereq(ndo, rp, length);
587  if (dp == NULL)
588  goto trunc;
589  if (parsefh(ndo, dp, v3) == NULL)
590  goto trunc;
591  break;
592 
593  case NFSPROC_LOOKUP:
594  case NFSPROC_CREATE:
595  case NFSPROC_MKDIR:
596  case NFSPROC_REMOVE:
597  case NFSPROC_RMDIR:
598  dp = parsereq(ndo, rp, length);
599  if (dp == NULL)
600  goto trunc;
601  if (parsefhn(ndo, dp, v3) == NULL)
602  goto trunc;
603  break;
604 
605  case NFSPROC_ACCESS:
606  dp = parsereq(ndo, rp, length);
607  if (dp == NULL)
608  goto trunc;
609  dp = parsefh(ndo, dp, v3);
610  if (dp == NULL)
611  goto trunc;
612  access_flags = GET_BE_U_4(dp);
613  if (access_flags & ~NFSV3ACCESS_FULL) {
614  /* NFSV3ACCESS definitions aren't up to date */
615  ND_PRINT(" %04x", access_flags);
616  } else if ((access_flags & NFSV3ACCESS_FULL) == NFSV3ACCESS_FULL) {
617  ND_PRINT(" NFS_ACCESS_FULL");
618  } else {
619  char separator = ' ';
620  if (access_flags & NFSV3ACCESS_READ) {
621  ND_PRINT(" NFS_ACCESS_READ");
622  separator = '|';
623  }
624  if (access_flags & NFSV3ACCESS_LOOKUP) {
625  ND_PRINT("%cNFS_ACCESS_LOOKUP", separator);
626  separator = '|';
627  }
628  if (access_flags & NFSV3ACCESS_MODIFY) {
629  ND_PRINT("%cNFS_ACCESS_MODIFY", separator);
630  separator = '|';
631  }
632  if (access_flags & NFSV3ACCESS_EXTEND) {
633  ND_PRINT("%cNFS_ACCESS_EXTEND", separator);
634  separator = '|';
635  }
636  if (access_flags & NFSV3ACCESS_DELETE) {
637  ND_PRINT("%cNFS_ACCESS_DELETE", separator);
638  separator = '|';
639  }
640  if (access_flags & NFSV3ACCESS_EXECUTE)
641  ND_PRINT("%cNFS_ACCESS_EXECUTE", separator);
642  }
643  break;
644 
645  case NFSPROC_READ:
646  dp = parsereq(ndo, rp, length);
647  if (dp == NULL)
648  goto trunc;
649  dp = parsefh(ndo, dp, v3);
650  if (dp == NULL)
651  goto trunc;
652  if (v3) {
653  ND_PRINT(" %u bytes @ %" PRIu64,
654  GET_BE_U_4(dp + 2),
655  GET_BE_U_8(dp));
656  } else {
657  ND_PRINT(" %u bytes @ %u",
658  GET_BE_U_4(dp + 1),
659  GET_BE_U_4(dp));
660  }
661  break;
662 
663  case NFSPROC_WRITE:
664  dp = parsereq(ndo, rp, length);
665  if (dp == NULL)
666  goto trunc;
667  dp = parsefh(ndo, dp, v3);
668  if (dp == NULL)
669  goto trunc;
670  if (v3) {
671  ND_PRINT(" %u (%u) bytes @ %" PRIu64,
672  GET_BE_U_4(dp + 4),
673  GET_BE_U_4(dp + 2),
674  GET_BE_U_8(dp));
675  if (ndo->ndo_vflag) {
676  ND_PRINT(" <%s>",
678  NULL, GET_BE_U_4(dp + 3)));
679  }
680  } else {
681  ND_PRINT(" %u (%u) bytes @ %u (%u)",
682  GET_BE_U_4(dp + 3),
683  GET_BE_U_4(dp + 2),
684  GET_BE_U_4(dp + 1),
685  GET_BE_U_4(dp));
686  }
687  break;
688 
689  case NFSPROC_SYMLINK:
690  dp = parsereq(ndo, rp, length);
691  if (dp == NULL)
692  goto trunc;
693  dp = parsefhn(ndo, dp, v3);
694  if (dp == NULL)
695  goto trunc;
696  ND_PRINT(" ->");
697  if (v3 && (dp = parse_sattr3(ndo, dp, &sa3)) == NULL)
698  goto trunc;
699  if (parsefn(ndo, dp) == NULL)
700  goto trunc;
701  if (v3 && ndo->ndo_vflag)
702  print_sattr3(ndo, &sa3, ndo->ndo_vflag);
703  break;
704 
705  case NFSPROC_MKNOD:
706  dp = parsereq(ndo, rp, length);
707  if (dp == NULL)
708  goto trunc;
709  dp = parsefhn(ndo, dp, v3);
710  if (dp == NULL)
711  goto trunc;
712  type = (nfs_type) GET_BE_U_4(dp);
713  dp++;
714  dp = parse_sattr3(ndo, dp, &sa3);
715  if (dp == NULL)
716  goto trunc;
717  ND_PRINT(" %s", tok2str(type2str, "unk-ft %u", type));
718  if (ndo->ndo_vflag && (type == NFCHR || type == NFBLK)) {
719  ND_PRINT(" %u/%u",
720  GET_BE_U_4(dp),
721  GET_BE_U_4(dp + 1));
722  dp += 2;
723  }
724  if (ndo->ndo_vflag)
725  print_sattr3(ndo, &sa3, ndo->ndo_vflag);
726  break;
727 
728  case NFSPROC_RENAME:
729  dp = parsereq(ndo, rp, length);
730  if (dp == NULL)
731  goto trunc;
732  dp = parsefhn(ndo, dp, v3);
733  if (dp == NULL)
734  goto trunc;
735  ND_PRINT(" ->");
736  if (parsefhn(ndo, dp, v3) == NULL)
737  goto trunc;
738  break;
739 
740  case NFSPROC_LINK:
741  dp = parsereq(ndo, rp, length);
742  if (dp == NULL)
743  goto trunc;
744  dp = parsefh(ndo, dp, v3);
745  if (dp == NULL)
746  goto trunc;
747  ND_PRINT(" ->");
748  if (parsefhn(ndo, dp, v3) == NULL)
749  goto trunc;
750  break;
751 
752  case NFSPROC_READDIR:
753  dp = parsereq(ndo, rp, length);
754  if (dp == NULL)
755  goto trunc;
756  dp = parsefh(ndo, dp, v3);
757  if (dp == NULL)
758  goto trunc;
759  if (v3) {
760  /*
761  * We shouldn't really try to interpret the
762  * offset cookie here.
763  */
764  ND_PRINT(" %u bytes @ %" PRId64,
765  GET_BE_U_4(dp + 4),
766  GET_BE_U_8(dp));
767  if (ndo->ndo_vflag) {
768  /*
769  * This displays the 8 bytes
770  * of the verifier in order,
771  * from the low-order byte
772  * to the high-order byte.
773  */
774  ND_PRINT(" verf %08x%08x",
775  GET_BE_U_4(dp + 2),
776  GET_BE_U_4(dp + 3));
777  }
778  } else {
779  /*
780  * Print the offset as signed, since -1 is
781  * common, but offsets > 2^31 aren't.
782  */
783  ND_PRINT(" %u bytes @ %u",
784  GET_BE_U_4(dp + 1),
785  GET_BE_U_4(dp));
786  }
787  break;
788 
789  case NFSPROC_READDIRPLUS:
790  dp = parsereq(ndo, rp, length);
791  if (dp == NULL)
792  goto trunc;
793  dp = parsefh(ndo, dp, v3);
794  if (dp == NULL)
795  goto trunc;
796  /*
797  * We don't try to interpret the offset
798  * cookie here.
799  */
800  ND_PRINT(" %u bytes @ %" PRId64,
801  GET_BE_U_4(dp + 4),
802  GET_BE_U_8(dp));
803  if (ndo->ndo_vflag) {
804  /*
805  * This displays the 8 bytes
806  * of the verifier in order,
807  * from the low-order byte
808  * to the high-order byte.
809  */
810  ND_PRINT(" max %u verf %08x%08x",
811  GET_BE_U_4(dp + 5),
812  GET_BE_U_4(dp + 2),
813  GET_BE_U_4(dp + 3));
814  }
815  break;
816 
817  case NFSPROC_COMMIT:
818  dp = parsereq(ndo, rp, length);
819  if (dp == NULL)
820  goto trunc;
821  dp = parsefh(ndo, dp, v3);
822  if (dp == NULL)
823  goto trunc;
824  ND_PRINT(" %u bytes @ %" PRIu64,
825  GET_BE_U_4(dp + 2),
826  GET_BE_U_8(dp));
827  break;
828 
829  default:
830  break;
831  }
832  return;
833 
834 trunc:
835  nd_print_trunc(ndo);
836 }
837 
838 /*
839  * Print out an NFS file handle.
840  * We assume packet was not truncated before the end of the
841  * file handle pointed to by dp.
842  *
843  * Note: new version (using portable file-handle parser) doesn't produce
844  * generation number. It probably could be made to do that, with some
845  * additional hacking on the parser code.
846  */
847 static void
849  const uint32_t *dp, const u_int len)
850 {
851  my_fsid fsid;
852  uint32_t ino;
853  const char *sfsname = NULL;
854  char *spacep;
855 
856  if (ndo->ndo_uflag) {
857  u_int i;
858  char const *sep = "";
859 
860  ND_PRINT(" fh[");
861  for (i=0; i<len; i++) {
862  /*
863  * This displays 4 bytes in big-endian byte
864  * order. That's as good a choice as little-
865  * endian, as there's no guarantee that the
866  * server is big-endian or little-endian or
867  * that the file handle contains 4-byte
868  * integral fields, and is better than "the
869  * byte order of the host running tcpdump", as
870  * the latter means that different hosts
871  * running tcpdump may show the same file
872  * handle in different ways.
873  */
874  ND_PRINT("%s%x", sep, GET_BE_U_4(dp + i));
875  sep = ":";
876  }
877  ND_PRINT("]");
878  return;
879  }
880 
881  Parse_fh(ndo, (const u_char *)dp, len, &fsid, &ino, NULL, &sfsname, 0);
882 
883  if (sfsname) {
884  /* file system ID is ASCII, not numeric, for this server OS */
885  char temp[NFSX_V3FHMAX+1];
886  u_int stringlen;
887 
888  /* Make sure string is null-terminated */
889  stringlen = len;
890  if (stringlen > NFSX_V3FHMAX)
892  strncpy(temp, sfsname, stringlen);
893  temp[stringlen] = '\0';
894  /* Remove trailing spaces */
895  spacep = strchr(temp, ' ');
896  if (spacep)
897  *spacep = '\0';
898 
899  ND_PRINT(" fh %s/", temp);
900  } else {
901  ND_PRINT(" fh %u,%u/",
902  fsid.Fsid_dev.Major, fsid.Fsid_dev.Minor);
903  }
904 
905  if(fsid.Fsid_dev.Minor == 257)
906  /* Print the undecoded handle */
907  ND_PRINT("%s", fsid.Opaque_Handle);
908  else
909  ND_PRINT("%ld", (long) ino);
910 }
911 
912 /*
913  * Maintain a small cache of recent client.XID.server/proc pairs, to allow
914  * us to match up replies with requests and thus to know how to parse
915  * the reply.
916  */
917 
919  uint32_t xid; /* transaction ID (net order) */
920  int ipver; /* IP version (4 or 6) */
921  nd_ipv6 client; /* client IP address (net order) */
922  nd_ipv6 server; /* server IP address (net order) */
923  uint32_t proc; /* call proc number (host order) */
924  uint32_t vers; /* program version (host order) */
925 };
926 
927 /*
928  * Map entries are kept in an array that we manage as a ring;
929  * new entries are always added at the tail of the ring. Initially,
930  * all the entries are zero and hence don't match anything.
931  */
932 
933 #define XIDMAPSIZE 64
934 
935 static struct xid_map_entry xid_map[XIDMAPSIZE];
936 
937 static int xid_map_next = 0;
938 static int xid_map_hint = 0;
939 
940 static int
942  const struct sunrpc_msg *rp, const u_char *bp)
943 {
944  const struct ip *ip = NULL;
945  const struct ip6_hdr *ip6 = NULL;
946  struct xid_map_entry *xmep;
947 
948  if (!ND_TTEST_4(rp->rm_call.cb_proc))
949  return (0);
950  switch (IP_V((const struct ip *)bp)) {
951  case 4:
952  ip = (const struct ip *)bp;
953  break;
954  case 6:
955  ip6 = (const struct ip6_hdr *)bp;
956  break;
957  default:
958  return (1);
959  }
960 
961  xmep = &xid_map[xid_map_next];
962 
963  if (++xid_map_next >= XIDMAPSIZE)
964  xid_map_next = 0;
965 
966  UNALIGNED_MEMCPY(&xmep->xid, &rp->rm_xid, sizeof(xmep->xid));
967  if (ip) {
968  xmep->ipver = 4;
969  UNALIGNED_MEMCPY(&xmep->client, ip->ip_src,
970  sizeof(ip->ip_src));
971  UNALIGNED_MEMCPY(&xmep->server, ip->ip_dst,
972  sizeof(ip->ip_dst));
973  }
974  else if (ip6) {
975  xmep->ipver = 6;
976  UNALIGNED_MEMCPY(&xmep->client, ip6->ip6_src,
977  sizeof(ip6->ip6_src));
978  UNALIGNED_MEMCPY(&xmep->server, ip6->ip6_dst,
979  sizeof(ip6->ip6_dst));
980  }
981  xmep->proc = GET_BE_U_4(&rp->rm_call.cb_proc);
982  xmep->vers = GET_BE_U_4(&rp->rm_call.cb_vers);
983  return (1);
984 }
985 
986 /*
987  * Returns 0 and puts NFSPROC_xxx in proc return and
988  * version in vers return, or returns -1 on failure
989  */
990 static int
992  const u_char *bp, uint32_t *proc, uint32_t *vers)
993 {
994  int i;
995  struct xid_map_entry *xmep;
996  uint32_t xid;
997  const struct ip *ip = (const struct ip *)bp;
998  const struct ip6_hdr *ip6 = (const struct ip6_hdr *)bp;
999  int cmp;
1000 
1001  UNALIGNED_MEMCPY(&xid, &rp->rm_xid, sizeof(xmep->xid));
1002  /* Start searching from where we last left off */
1003  i = xid_map_hint;
1004  do {
1005  xmep = &xid_map[i];
1006  cmp = 1;
1007  if (xmep->ipver != IP_V(ip) || xmep->xid != xid)
1008  goto nextitem;
1009  switch (xmep->ipver) {
1010  case 4:
1011  if (UNALIGNED_MEMCMP(ip->ip_src, &xmep->server,
1012  sizeof(ip->ip_src)) != 0 ||
1013  UNALIGNED_MEMCMP(ip->ip_dst, &xmep->client,
1014  sizeof(ip->ip_dst)) != 0) {
1015  cmp = 0;
1016  }
1017  break;
1018  case 6:
1019  if (UNALIGNED_MEMCMP(ip6->ip6_src, &xmep->server,
1020  sizeof(ip6->ip6_src)) != 0 ||
1021  UNALIGNED_MEMCMP(ip6->ip6_dst, &xmep->client,
1022  sizeof(ip6->ip6_dst)) != 0) {
1023  cmp = 0;
1024  }
1025  break;
1026  default:
1027  cmp = 0;
1028  break;
1029  }
1030  if (cmp) {
1031  /* match */
1032  xid_map_hint = i;
1033  *proc = xmep->proc;
1034  *vers = xmep->vers;
1035  return 0;
1036  }
1037  nextitem:
1038  if (++i >= XIDMAPSIZE)
1039  i = 0;
1040  } while (i != xid_map_hint);
1041 
1042  /* search failed */
1043  return (-1);
1044 }
1045 
1046 /*
1047  * Routines for parsing reply packets
1048  */
1049 
1050 /*
1051  * Return a pointer to the beginning of the actual results.
1052  * If the packet was truncated, return 0.
1053  */
1054 static const uint32_t *
1056  const struct sunrpc_msg *rp, u_int length, int *nfserrp)
1057 {
1058  const uint32_t *dp;
1059  u_int len;
1060  enum sunrpc_accept_stat astat;
1061 
1062  /*
1063  * Portability note:
1064  * Here we find the address of the ar_verf credentials.
1065  * Originally, this calculation was
1066  * dp = (uint32_t *)&rp->rm_reply.rp_acpt.ar_verf
1067  * On the wire, the rp_acpt field starts immediately after
1068  * the (32 bit) rp_stat field. However, rp_acpt (which is a
1069  * "struct accepted_reply") contains a "struct opaque_auth",
1070  * whose internal representation contains a pointer, so on a
1071  * 64-bit machine the compiler inserts 32 bits of padding
1072  * before rp->rm_reply.rp_acpt.ar_verf. So, we cannot use
1073  * the internal representation to parse the on-the-wire
1074  * representation. Instead, we skip past the rp_stat field,
1075  * which is an "enum" and so occupies one 32-bit word.
1076  */
1077  dp = ((const uint32_t *)&rp->rm_reply) + 1;
1078  len = GET_BE_U_4(dp + 1);
1079  if (len >= length)
1080  return (NULL);
1081  /*
1082  * skip past the ar_verf credentials.
1083  */
1084  dp += (len + (2*sizeof(uint32_t) + 3)) / sizeof(uint32_t);
1085 
1086  /*
1087  * now we can check the ar_stat field
1088  */
1089  astat = (enum sunrpc_accept_stat) GET_BE_U_4(dp);
1090  if (astat != SUNRPC_SUCCESS) {
1091  ND_PRINT(" %s", tok2str(sunrpc_str, "ar_stat %u", astat));
1092  *nfserrp = 1; /* suppress trunc string */
1093  return (NULL);
1094  }
1095  /* successful return */
1096  ND_TCHECK_LEN(dp, sizeof(astat));
1097  return ((const uint32_t *) (sizeof(astat) + ((const char *)dp)));
1098 trunc:
1099  return (0);
1100 }
1101 
1102 static const uint32_t *
1104  const uint32_t *dp, u_int *er, int *nfserrp)
1105 {
1106  u_int errnum;
1107 
1108  errnum = GET_BE_U_4(dp);
1109  if (er)
1110  *er = errnum;
1111  if (errnum != 0) {
1112  if (!ndo->ndo_qflag)
1113  ND_PRINT(" ERROR: %s",
1114  tok2str(status2str, "unk %u", errnum));
1115  *nfserrp = 1;
1116  }
1117  return (dp + 1);
1118 }
1119 
1120 static const uint32_t *
1122  const uint32_t *dp, int verbose, int v3)
1123 {
1124  const struct nfs_fattr *fap;
1125 
1126  fap = (const struct nfs_fattr *)dp;
1127  ND_TCHECK_4(fap->fa_gid);
1128  if (verbose) {
1129  /*
1130  * XXX - UIDs and GIDs are unsigned in NFS and in
1131  * at least some UN*Xes, but we'll show them as
1132  * signed because -2 has traditionally been the
1133  * UID for "nobody", rather than 4294967294.
1134  */
1135  ND_PRINT(" %s %o ids %d/%d",
1136  tok2str(type2str, "unk-ft %u ",
1137  GET_BE_U_4(fap->fa_type)),
1138  GET_BE_U_4(fap->fa_mode),
1139  GET_BE_S_4(fap->fa_uid),
1140  GET_BE_S_4(fap->fa_gid));
1141  if (v3) {
1142  ND_PRINT(" sz %" PRIu64,
1143  GET_BE_U_8(fap->fa3_size));
1144  } else {
1145  ND_PRINT(" sz %u", GET_BE_U_4(fap->fa2_size));
1146  }
1147  }
1148  /* print lots more stuff */
1149  if (verbose > 1) {
1150  if (v3) {
1151  ND_TCHECK_8(&fap->fa3_ctime);
1152  ND_PRINT(" nlink %u rdev %u/%u",
1153  GET_BE_U_4(fap->fa_nlink),
1154  GET_BE_U_4(fap->fa3_rdev.specdata1),
1155  GET_BE_U_4(fap->fa3_rdev.specdata2));
1156  ND_PRINT(" fsid %" PRIx64,
1157  GET_BE_U_8(fap->fa3_fsid));
1158  ND_PRINT(" fileid %" PRIx64,
1159  GET_BE_U_8(fap->fa3_fileid));
1160  ND_PRINT(" a/m/ctime %u.%06u",
1161  GET_BE_U_4(fap->fa3_atime.nfsv3_sec),
1162  GET_BE_U_4(fap->fa3_atime.nfsv3_nsec));
1163  ND_PRINT(" %u.%06u",
1164  GET_BE_U_4(fap->fa3_mtime.nfsv3_sec),
1165  GET_BE_U_4(fap->fa3_mtime.nfsv3_nsec));
1166  ND_PRINT(" %u.%06u",
1167  GET_BE_U_4(fap->fa3_ctime.nfsv3_sec),
1168  GET_BE_U_4(fap->fa3_ctime.nfsv3_nsec));
1169  } else {
1170  ND_TCHECK_8(&fap->fa2_ctime);
1171  ND_PRINT(" nlink %u rdev 0x%x fsid 0x%x nodeid 0x%x a/m/ctime",
1172  GET_BE_U_4(fap->fa_nlink),
1173  GET_BE_U_4(fap->fa2_rdev),
1174  GET_BE_U_4(fap->fa2_fsid),
1175  GET_BE_U_4(fap->fa2_fileid));
1176  ND_PRINT(" %u.%06u",
1177  GET_BE_U_4(fap->fa2_atime.nfsv2_sec),
1178  GET_BE_U_4(fap->fa2_atime.nfsv2_usec));
1179  ND_PRINT(" %u.%06u",
1180  GET_BE_U_4(fap->fa2_mtime.nfsv2_sec),
1181  GET_BE_U_4(fap->fa2_mtime.nfsv2_usec));
1182  ND_PRINT(" %u.%06u",
1183  GET_BE_U_4(fap->fa2_ctime.nfsv2_sec),
1184  GET_BE_U_4(fap->fa2_ctime.nfsv2_usec));
1185  }
1186  }
1187  return ((const uint32_t *)((const unsigned char *)dp +
1188  (v3 ? NFSX_V3FATTR : NFSX_V2FATTR)));
1189 trunc:
1190  return (NULL);
1191 }
1192 
1193 static int
1195  const uint32_t *dp, int verbose, int v3, int *nfserrp)
1196 {
1197  u_int er;
1198 
1199  dp = parsestatus(ndo, dp, &er, nfserrp);
1200  if (dp == NULL)
1201  return (0);
1202  if (er)
1203  return (1);
1204 
1205  return (parsefattr(ndo, dp, verbose, v3) != NULL);
1206 }
1207 
1208 static int
1210  const uint32_t *dp, int *nfserrp)
1211 {
1212  u_int er;
1213 
1214  dp = parsestatus(ndo, dp, &er, nfserrp);
1215  if (dp == NULL)
1216  return (0);
1217  if (er)
1218  return (1);
1219 
1220  dp = parsefh(ndo, dp, 0);
1221  if (dp == NULL)
1222  return (0);
1223 
1224  return (parsefattr(ndo, dp, ndo->ndo_vflag, 0) != NULL);
1225 }
1226 
1227 static int
1229  const uint32_t *dp, int v3, int *nfserrp)
1230 {
1231  u_int er;
1232 
1233  dp = parsestatus(ndo, dp, &er, nfserrp);
1234  if (dp == NULL)
1235  return(0);
1236  if (er)
1237  return(1);
1238  if (v3) {
1239  dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag);
1240  if (dp == NULL)
1241  return (0);
1242  }
1243  ND_PRINT(" ");
1244  return (parsefn(ndo, dp) != NULL);
1245 }
1246 
1247 static int
1249  const uint32_t *dp, int v3, int *nfserrp)
1250 {
1251  const struct nfs_statfs *sfsp;
1252  u_int er;
1253 
1254  dp = parsestatus(ndo, dp, &er, nfserrp);
1255  if (dp == NULL)
1256  return (0);
1257  if (!v3 && er)
1258  return (1);
1259 
1260  if (ndo->ndo_qflag)
1261  return(1);
1262 
1263  if (v3) {
1264  if (ndo->ndo_vflag)
1265  ND_PRINT(" POST:");
1266  dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag);
1267  if (dp == NULL)
1268  return (0);
1269  }
1270 
1272 
1273  sfsp = (const struct nfs_statfs *)dp;
1274 
1275  if (v3) {
1276  ND_PRINT(" tbytes %" PRIu64 " fbytes %" PRIu64 " abytes %" PRIu64,
1277  GET_BE_U_8(sfsp->sf_tbytes),
1278  GET_BE_U_8(sfsp->sf_fbytes),
1279  GET_BE_U_8(sfsp->sf_abytes));
1280  if (ndo->ndo_vflag) {
1281  ND_PRINT(" tfiles %" PRIu64 " ffiles %" PRIu64 " afiles %" PRIu64 " invar %u",
1282  GET_BE_U_8(sfsp->sf_tfiles),
1283  GET_BE_U_8(sfsp->sf_ffiles),
1284  GET_BE_U_8(sfsp->sf_afiles),
1285  GET_BE_U_4(sfsp->sf_invarsec));
1286  }
1287  } else {
1288  ND_PRINT(" tsize %u bsize %u blocks %u bfree %u bavail %u",
1289  GET_BE_U_4(sfsp->sf_tsize),
1290  GET_BE_U_4(sfsp->sf_bsize),
1291  GET_BE_U_4(sfsp->sf_blocks),
1292  GET_BE_U_4(sfsp->sf_bfree),
1293  GET_BE_U_4(sfsp->sf_bavail));
1294  }
1295 
1296  return (1);
1297 trunc:
1298  return (0);
1299 }
1300 
1301 static int
1303  const uint32_t *dp, int *nfserrp)
1304 {
1305  u_int er;
1306 
1307  dp = parsestatus(ndo, dp, &er, nfserrp);
1308  if (dp == NULL)
1309  return (0);
1310  if (er)
1311  return (1);
1312  if (ndo->ndo_qflag)
1313  return (1);
1314 
1315  ND_PRINT(" offset 0x%x size %u ",
1316  GET_BE_U_4(dp), GET_BE_U_4(dp + 1));
1317  if (GET_BE_U_4(dp + 2) != 0)
1318  ND_PRINT(" eof");
1319 
1320  return (1);
1321 }
1322 
1323 static const uint32_t *
1325  const uint32_t *dp)
1326 {
1327  /* Our caller has already checked this */
1328  ND_PRINT(" sz %" PRIu64, GET_BE_U_8(dp));
1329  ND_PRINT(" mtime %u.%06u ctime %u.%06u",
1330  GET_BE_U_4(dp + 2), GET_BE_U_4(dp + 3),
1331  GET_BE_U_4(dp + 4), GET_BE_U_4(dp + 5));
1332  return (dp + 6);
1333 }
1334 
1335 /*
1336  * Pre operation attributes. Print only if vflag > 1.
1337  */
1338 static const uint32_t *
1340  const uint32_t *dp, int verbose)
1341 {
1342  if (!GET_BE_U_4(dp))
1343  return (dp + 1);
1344  dp++;
1345  ND_TCHECK_LEN(dp, 24);
1346  if (verbose > 1) {
1347  return parse_wcc_attr(ndo, dp);
1348  } else {
1349  /* If not verbose enough, just skip over wcc_attr */
1350  return (dp + 6);
1351  }
1352 trunc:
1353  return (NULL);
1354 }
1355 
1356 /*
1357  * Post operation attributes are printed if vflag >= 1
1358  */
1359 static const uint32_t *
1361  const uint32_t *dp, int verbose)
1362 {
1363  if (!GET_BE_U_4(dp))
1364  return (dp + 1);
1365  dp++;
1366  if (verbose) {
1367  return parsefattr(ndo, dp, verbose, 1);
1368  } else
1369  return (dp + (NFSX_V3FATTR / sizeof (uint32_t)));
1370 }
1371 
1372 static const uint32_t *
1374  const uint32_t *dp, int verbose)
1375 {
1376  if (verbose > 1)
1377  ND_PRINT(" PRE:");
1378  dp = parse_pre_op_attr(ndo, dp, verbose);
1379  if (dp == NULL)
1380  return (0);
1381 
1382  if (verbose)
1383  ND_PRINT(" POST:");
1384  return parse_post_op_attr(ndo, dp, verbose);
1385 }
1386 
1387 static const uint32_t *
1389  const uint32_t *dp, int verbose, int *nfserrp)
1390 {
1391  u_int er;
1392 
1393  dp = parsestatus(ndo, dp, &er, nfserrp);
1394  if (dp == NULL)
1395  return (0);
1396  if (er)
1397  dp = parse_wcc_data(ndo, dp, verbose);
1398  else {
1399  if (!GET_BE_U_4(dp))
1400  return (dp + 1);
1401  dp++;
1402  dp = parsefh(ndo, dp, 1);
1403  if (dp == NULL)
1404  return (0);
1405  if (verbose) {
1406  dp = parse_post_op_attr(ndo, dp, verbose);
1407  if (dp == NULL)
1408  return (0);
1409  if (ndo->ndo_vflag > 1) {
1410  ND_PRINT(" dir attr:");
1411  dp = parse_wcc_data(ndo, dp, verbose);
1412  }
1413  }
1414  }
1415  return (dp);
1416 }
1417 
1418 static const uint32_t *
1420  const uint32_t *dp, int verbose, int *nfserrp)
1421 {
1422  u_int er;
1423 
1424  dp = parsestatus(ndo, dp, &er, nfserrp);
1425  if (dp == NULL)
1426  return (0);
1427  return parse_wcc_data(ndo, dp, verbose);
1428 }
1429 
1430 static const uint32_t *
1432  const uint32_t *dp, int verbose, int *nfserrp)
1433 {
1434  u_int er;
1435 
1436  dp = parsestatus(ndo, dp, &er, nfserrp);
1437  if (dp == NULL)
1438  return (0);
1439  if (ndo->ndo_vflag)
1440  ND_PRINT(" POST:");
1441  dp = parse_post_op_attr(ndo, dp, verbose);
1442  if (dp == NULL)
1443  return (0);
1444  if (er)
1445  return dp;
1446  if (ndo->ndo_vflag) {
1447  /*
1448  * This displays the 8 bytes of the verifier in order,
1449  * from the low-order byte to the high-order byte.
1450  */
1451  ND_PRINT(" verf %08x%08x",
1452  GET_BE_U_4(dp), GET_BE_U_4(dp + 1));
1453  dp += 2;
1454  }
1455  return dp;
1456 }
1457 
1458 static int
1460  const uint32_t *dp, int *nfserrp)
1461 {
1462  const struct nfsv3_fsinfo *sfp;
1463  u_int er;
1464 
1465  dp = parsestatus(ndo, dp, &er, nfserrp);
1466  if (dp == NULL)
1467  return (0);
1468  if (ndo->ndo_vflag)
1469  ND_PRINT(" POST:");
1470  dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag);
1471  if (dp == NULL)
1472  return (0);
1473  if (er)
1474  return (1);
1475 
1476  sfp = (const struct nfsv3_fsinfo *)dp;
1477  ND_TCHECK_SIZE(sfp);
1478  ND_PRINT(" rtmax %u rtpref %u wtmax %u wtpref %u dtpref %u",
1479  GET_BE_U_4(sfp->fs_rtmax),
1480  GET_BE_U_4(sfp->fs_rtpref),
1481  GET_BE_U_4(sfp->fs_wtmax),
1482  GET_BE_U_4(sfp->fs_wtpref),
1483  GET_BE_U_4(sfp->fs_dtpref));
1484  if (ndo->ndo_vflag) {
1485  ND_PRINT(" rtmult %u wtmult %u maxfsz %" PRIu64,
1486  GET_BE_U_4(sfp->fs_rtmult),
1487  GET_BE_U_4(sfp->fs_wtmult),
1488  GET_BE_U_8(sfp->fs_maxfilesize));
1489  ND_PRINT(" delta %u.%06u ",
1492  }
1493  return (1);
1494 trunc:
1495  return (0);
1496 }
1497 
1498 static int
1500  const uint32_t *dp, int *nfserrp)
1501 {
1502  u_int er;
1503  const struct nfsv3_pathconf *spp;
1504 
1505  dp = parsestatus(ndo, dp, &er, nfserrp);
1506  if (dp == NULL)
1507  return (0);
1508  if (ndo->ndo_vflag)
1509  ND_PRINT(" POST:");
1510  dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag);
1511  if (dp == NULL)
1512  return (0);
1513  if (er)
1514  return (1);
1515 
1516  spp = (const struct nfsv3_pathconf *)dp;
1517  ND_TCHECK_SIZE(spp);
1518 
1519  ND_PRINT(" linkmax %u namemax %u %s %s %s %s",
1520  GET_BE_U_4(spp->pc_linkmax),
1521  GET_BE_U_4(spp->pc_namemax),
1522  GET_BE_U_4(spp->pc_notrunc) ? "notrunc" : "",
1523  GET_BE_U_4(spp->pc_chownrestricted) ? "chownres" : "",
1524  GET_BE_U_4(spp->pc_caseinsensitive) ? "igncase" : "",
1525  GET_BE_U_4(spp->pc_casepreserving) ? "keepcase" : "");
1526  return (1);
1527 trunc:
1528  return (0);
1529 }
1530 
1531 static void
1533  const struct sunrpc_msg *rp, uint32_t proc, uint32_t vers,
1534  int length)
1535 {
1536  const uint32_t *dp;
1537  int v3;
1538  u_int er;
1539  int nfserr = 0;
1540 
1541  v3 = (vers == NFS_VER3);
1542 
1543  if (!v3 && proc < NFS_NPROCS)
1544  proc = nfsv3_procid[proc];
1545 
1546  ND_PRINT(" %s", tok2str(nfsproc_str, "proc-%u", proc));
1547  switch (proc) {
1548 
1549  case NFSPROC_GETATTR:
1550  dp = parserep(ndo, rp, length, &nfserr);
1551  if (dp == NULL)
1552  goto trunc;
1553  if (parseattrstat(ndo, dp, !ndo->ndo_qflag, v3, &nfserr) == 0)
1554  goto trunc;
1555  break;
1556 
1557  case NFSPROC_SETATTR:
1558  dp = parserep(ndo, rp, length, &nfserr);
1559  if (dp == NULL)
1560  goto trunc;
1561  if (v3) {
1562  if (parsewccres(ndo, dp, ndo->ndo_vflag, &nfserr) == 0)
1563  goto trunc;
1564  } else {
1565  if (parseattrstat(ndo, dp, !ndo->ndo_qflag, 0, &nfserr) == 0)
1566  goto trunc;
1567  }
1568  break;
1569 
1570  case NFSPROC_LOOKUP:
1571  dp = parserep(ndo, rp, length, &nfserr);
1572  if (dp == NULL)
1573  goto trunc;
1574  if (v3) {
1575  dp = parsestatus(ndo, dp, &er, &nfserr);
1576  if (dp == NULL)
1577  goto trunc;
1578  if (er) {
1579  if (ndo->ndo_vflag > 1) {
1580  ND_PRINT(" post dattr:");
1581  dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag);
1582  if (dp == NULL)
1583  goto trunc;
1584  }
1585  } else {
1586  dp = parsefh(ndo, dp, v3);
1587  if (dp == NULL)
1588  goto trunc;
1589  dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag);
1590  if (dp == NULL)
1591  goto trunc;
1592  if (ndo->ndo_vflag > 1) {
1593  ND_PRINT(" post dattr:");
1594  dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag);
1595  if (dp == NULL)
1596  goto trunc;
1597  }
1598  }
1599  } else {
1600  if (parsediropres(ndo, dp, &nfserr) == 0)
1601  goto trunc;
1602  }
1603  break;
1604 
1605  case NFSPROC_ACCESS:
1606  dp = parserep(ndo, rp, length, &nfserr);
1607  if (dp == NULL)
1608  goto trunc;
1609  dp = parsestatus(ndo, dp, &er, &nfserr);
1610  if (dp == NULL)
1611  goto trunc;
1612  if (ndo->ndo_vflag)
1613  ND_PRINT(" attr:");
1614  dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag);
1615  if (dp == NULL)
1616  goto trunc;
1617  if (!er) {
1618  ND_PRINT(" c %04x", GET_BE_U_4(dp));
1619  }
1620  break;
1621 
1622  case NFSPROC_READLINK:
1623  dp = parserep(ndo, rp, length, &nfserr);
1624  if (dp == NULL)
1625  goto trunc;
1626  if (parselinkres(ndo, dp, v3, &nfserr) == 0)
1627  goto trunc;
1628  break;
1629 
1630  case NFSPROC_READ:
1631  dp = parserep(ndo, rp, length, &nfserr);
1632  if (dp == NULL)
1633  goto trunc;
1634  if (v3) {
1635  dp = parsestatus(ndo, dp, &er, &nfserr);
1636  if (dp == NULL)
1637  goto trunc;
1638  dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag);
1639  if (dp == NULL)
1640  goto trunc;
1641  if (!er) {
1642  if (ndo->ndo_vflag) {
1643  ND_PRINT(" %u bytes", GET_BE_U_4(dp));
1644  if (GET_BE_U_4(dp + 1))
1645  ND_PRINT(" EOF");
1646  }
1647  }
1648  } else {
1649  if (parseattrstat(ndo, dp, ndo->ndo_vflag, 0, &nfserr) == 0)
1650  goto trunc;
1651  }
1652  break;
1653 
1654  case NFSPROC_WRITE:
1655  dp = parserep(ndo, rp, length, &nfserr);
1656  if (dp == NULL)
1657  goto trunc;
1658  if (v3) {
1659  dp = parsestatus(ndo, dp, &er, &nfserr);
1660  if (dp == NULL)
1661  goto trunc;
1662  dp = parse_wcc_data(ndo, dp, ndo->ndo_vflag);
1663  if (dp == NULL)
1664  goto trunc;
1665  if (!er) {
1666  if (ndo->ndo_vflag) {
1667  ND_PRINT(" %u bytes", GET_BE_U_4(dp));
1668  if (ndo->ndo_vflag > 1) {
1669  ND_PRINT(" <%s>",
1671  NULL, GET_BE_U_4(dp + 1)));
1672 
1673  /* write-verf-cookie */
1674  ND_PRINT(" verf %" PRIx64,
1675  GET_BE_U_8(dp + 2));
1676  }
1677  }
1678  }
1679  return;
1680  } else {
1681  if (parseattrstat(ndo, dp, ndo->ndo_vflag, v3, &nfserr) == 0)
1682  goto trunc;
1683  }
1684  break;
1685 
1686  case NFSPROC_CREATE:
1687  case NFSPROC_MKDIR:
1688  dp = parserep(ndo, rp, length, &nfserr);
1689  if (dp == NULL)
1690  goto trunc;
1691  if (v3) {
1692  if (parsecreateopres(ndo, dp, ndo->ndo_vflag, &nfserr) == NULL)
1693  goto trunc;
1694  } else {
1695  if (parsediropres(ndo, dp, &nfserr) == 0)
1696  goto trunc;
1697  }
1698  break;
1699 
1700  case NFSPROC_SYMLINK:
1701  dp = parserep(ndo, rp, length, &nfserr);
1702  if (dp == NULL)
1703  goto trunc;
1704  if (v3) {
1705  if (parsecreateopres(ndo, dp, ndo->ndo_vflag, &nfserr) == NULL)
1706  goto trunc;
1707  } else {
1708  if (parsestatus(ndo, dp, &er, &nfserr) == NULL)
1709  goto trunc;
1710  }
1711  break;
1712 
1713  case NFSPROC_MKNOD:
1714  dp = parserep(ndo, rp, length, &nfserr);
1715  if (dp == NULL)
1716  goto trunc;
1717  if (parsecreateopres(ndo, dp, ndo->ndo_vflag, &nfserr) == NULL)
1718  goto trunc;
1719  break;
1720 
1721  case NFSPROC_REMOVE:
1722  case NFSPROC_RMDIR:
1723  dp = parserep(ndo, rp, length, &nfserr);
1724  if (dp == NULL)
1725  goto trunc;
1726  if (v3) {
1727  if (parsewccres(ndo, dp, ndo->ndo_vflag, &nfserr) == NULL)
1728  goto trunc;
1729  } else {
1730  if (parsestatus(ndo, dp, &er, &nfserr) == NULL)
1731  goto trunc;
1732  }
1733  break;
1734 
1735  case NFSPROC_RENAME:
1736  dp = parserep(ndo, rp, length, &nfserr);
1737  if (dp == NULL)
1738  goto trunc;
1739  if (v3) {
1740  dp = parsestatus(ndo, dp, &er, &nfserr);
1741  if (dp == NULL)
1742  goto trunc;
1743  if (ndo->ndo_vflag) {
1744  ND_PRINT(" from:");
1745  dp = parse_wcc_data(ndo, dp, ndo->ndo_vflag);
1746  if (dp == NULL)
1747  goto trunc;
1748  ND_PRINT(" to:");
1749  dp = parse_wcc_data(ndo, dp, ndo->ndo_vflag);
1750  if (dp == NULL)
1751  goto trunc;
1752  }
1753  } else {
1754  if (parsestatus(ndo, dp, &er, &nfserr) == NULL)
1755  goto trunc;
1756  }
1757  break;
1758 
1759  case NFSPROC_LINK:
1760  dp = parserep(ndo, rp, length, &nfserr);
1761  if (dp == NULL)
1762  goto trunc;
1763  if (v3) {
1764  dp = parsestatus(ndo, dp, &er, &nfserr);
1765  if (dp == NULL)
1766  goto trunc;
1767  if (ndo->ndo_vflag) {
1768  ND_PRINT(" file POST:");
1769  dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag);
1770  if (dp == NULL)
1771  goto trunc;
1772  ND_PRINT(" dir:");
1773  dp = parse_wcc_data(ndo, dp, ndo->ndo_vflag);
1774  if (dp == NULL)
1775  goto trunc;
1776  }
1777  return;
1778  } else {
1779  if (parsestatus(ndo, dp, &er, &nfserr) == NULL)
1780  goto trunc;
1781  }
1782  break;
1783 
1784  case NFSPROC_READDIR:
1785  dp = parserep(ndo, rp, length, &nfserr);
1786  if (dp == NULL)
1787  goto trunc;
1788  if (v3) {
1789  if (parsev3rddirres(ndo, dp, ndo->ndo_vflag, &nfserr) == NULL)
1790  goto trunc;
1791  } else {
1792  if (parserddires(ndo, dp, &nfserr) == 0)
1793  goto trunc;
1794  }
1795  break;
1796 
1797  case NFSPROC_READDIRPLUS:
1798  dp = parserep(ndo, rp, length, &nfserr);
1799  if (dp == NULL)
1800  goto trunc;
1801  if (parsev3rddirres(ndo, dp, ndo->ndo_vflag, &nfserr) == NULL)
1802  goto trunc;
1803  break;
1804 
1805  case NFSPROC_FSSTAT:
1806  dp = parserep(ndo, rp, length, &nfserr);
1807  if (dp == NULL)
1808  goto trunc;
1809  if (parsestatfs(ndo, dp, v3, &nfserr) == 0)
1810  goto trunc;
1811  break;
1812 
1813  case NFSPROC_FSINFO:
1814  dp = parserep(ndo, rp, length, &nfserr);
1815  if (dp == NULL)
1816  goto trunc;
1817  if (parsefsinfo(ndo, dp, &nfserr) == 0)
1818  goto trunc;
1819  break;
1820 
1821  case NFSPROC_PATHCONF:
1822  dp = parserep(ndo, rp, length, &nfserr);
1823  if (dp == NULL)
1824  goto trunc;
1825  if (parsepathconf(ndo, dp, &nfserr) == 0)
1826  goto trunc;
1827  break;
1828 
1829  case NFSPROC_COMMIT:
1830  dp = parserep(ndo, rp, length, &nfserr);
1831  if (dp == NULL)
1832  goto trunc;
1833  dp = parsewccres(ndo, dp, ndo->ndo_vflag, &nfserr);
1834  if (dp == NULL)
1835  goto trunc;
1836  if (ndo->ndo_vflag > 1) {
1837  /* write-verf-cookie */
1838  ND_PRINT(" verf %" PRIx64, GET_BE_U_8(dp));
1839  }
1840  break;
1841 
1842  default:
1843  break;
1844  }
1845  return;
1846 
1847 trunc:
1848  if (!nfserr)
1849  nd_print_trunc(ndo);
1850 }
#define GET_IPADDR_STRING(p)
Definition: addrtoname.h:120
#define GET_IP6ADDR_STRING(p)
Definition: addrtoname.h:121
#define INET6_ADDRSTRLEN
Definition: addrtoname.h:29
#define GET_BE_U_4(p)
Definition: extract.h:877
#define GET_BE_U_8(p)
Definition: extract.h:881
#define ND_TCHECK_8(p)
Definition: extract.h:573
#define GET_BE_S_4(p)
Definition: extract.h:885
#define ND_TCHECK_4(p)
Definition: extract.h:561
#define ND_TTEST_4(p)
Definition: extract.h:560
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Definition: strlcpy.c:47
#define IP_V(ip)
Definition: ip.h:54
#define UNALIGNED_MEMCMP(p, q, l)
Definition: netdissect.h:444
#define roundup2(x, y)
Definition: netdissect.h:114
#define ND_TCHECK_LEN(p, l)
Definition: netdissect.h:368
const char * tok2str(const struct tok *, const char *, u_int)
Definition: util-print.c:485
#define ND_TTEST_LEN(p, l)
Definition: netdissect.h:356
#define ND_TCHECK_SIZE(p)
Definition: netdissect.h:372
void nd_print_invalid(netdissect_options *)
Definition: util-print.c:429
void nd_print_trunc(netdissect_options *)
Definition: util-print.c:409
#define ND_PRINT(...)
Definition: netdissect.h:385
int nd_printn(netdissect_options *, const u_char *, u_int, const u_char *)
Definition: util-print.c:160
unsigned char nd_ipv6[16]
Definition: netdissect.h:97
#define UNALIGNED_MEMCPY(p, q, l)
Definition: netdissect.h:443
#define NFSPROC_FSINFO
Definition: nfs.h:167
#define NFSPROC_NOOP
Definition: nfs.h:176
#define NFSPROC_RMDIR
Definition: nfs.h:161
#define NFSV3ACCESS_EXECUTE
Definition: nfs.h:214
#define NFS_PORT
Definition: nfs.h:52
#define NFSPROC_SETATTR
Definition: nfs.h:150
#define NFSPROC_PATHCONF
Definition: nfs.h:168
#define NFSX_V2STATFS
Definition: nfs.h:112
#define NFSPROC_COMMIT
Definition: nfs.h:169
#define NFSX_V2FH
Definition: nfs.h:108
#define NFSPROC_FSSTAT
Definition: nfs.h:166
#define NFSX_V3STATFS
Definition: nfs.h:126
#define NFSPROC_READ
Definition: nfs.h:154
#define NFSPROC_LOOKUP
Definition: nfs.h:151
#define NFSV3ACCESS_MODIFY
Definition: nfs.h:211
#define NFSPROC_MKNOD
Definition: nfs.h:159
#define NFSPROC_NULL
Definition: nfs.h:148
#define NFSPROC_RENAME
Definition: nfs.h:162
#define NFSV3ACCESS_FULL
Definition: nfs.h:215
#define NFSV3ACCESS_READ
Definition: nfs.h:209
#define NFSV3ACCESS_LOOKUP
Definition: nfs.h:210
#define NFSX_V2FATTR
Definition: nfs.h:109
#define NFSPROC_READDIRPLUS
Definition: nfs.h:165
#define NFSPROC_CREATE
Definition: nfs.h:156
#define NFSPROC_ACCESS
Definition: nfs.h:152
#define NFSPROC_GETATTR
Definition: nfs.h:149
#define NFSV3ACCESS_EXTEND
Definition: nfs.h:212
#define NFS_NPROCS
Definition: nfs.h:177
#define NFSV3SATTRTIME_TOCLIENT
Definition: nfs.h:205
#define NFSPROC_SYMLINK
Definition: nfs.h:158
#define NFSPROC_WRITE
Definition: nfs.h:155
#define NFSPROC_MKDIR
Definition: nfs.h:157
#define NFSPROC_READLINK
Definition: nfs.h:153
#define NFSX_V3FATTR
Definition: nfs.h:119
#define NFSPROC_REMOVE
Definition: nfs.h:160
nfs_type
Definition: nfs.h:246
@ NFCHR
Definition: nfs.h:246
@ NFREG
Definition: nfs.h:246
@ NFBLK
Definition: nfs.h:246
@ NFLNK
Definition: nfs.h:246
@ NFNON
Definition: nfs.h:246
@ NFFIFO
Definition: nfs.h:247
@ NFDIR
Definition: nfs.h:246
#define NFSV3ACCESS_DELETE
Definition: nfs.h:213
#define NFS_VER3
Definition: nfs.h:55
#define NFSX_V3FHMAX
Definition: nfs.h:118
#define NFSPROC_LINK
Definition: nfs.h:163
#define NFSPROC_READDIR
Definition: nfs.h:164
void Parse_fh(netdissect_options *, const unsigned char *, u_int, my_fsid *, uint32_t *, const char **, const char **, int)
Definition: parsenfsfh.c:85
int snprintf(char *, size_t, const char *,...)
static const uint32_t * parserep(netdissect_options *ndo, const struct sunrpc_msg *rp, u_int length, int *nfserrp)
Definition: print-nfs.c:1055
static const uint32_t * parse_sattr3(netdissect_options *ndo, const uint32_t *dp, struct nfsv3_sattr *sa3)
Definition: print-nfs.c:260
static void nfs_printfh(netdissect_options *, const uint32_t *, const u_int)
Definition: print-nfs.c:848
static const uint32_t * parse_pre_op_attr(netdissect_options *ndo, const uint32_t *dp, int verbose)
Definition: print-nfs.c:1339
void nfsreq_noaddr_print(netdissect_options *ndo, const u_char *bp, u_int length, const u_char *bp2)
Definition: print-nfs.c:552
static const struct tok status2str[]
Definition: print-nfs.c:123
static struct xid_map_entry xid_map[64]
Definition: print-nfs.c:935
static int parsestatfs(netdissect_options *ndo, const uint32_t *dp, int v3, int *nfserrp)
Definition: print-nfs.c:1248
#define XIDMAPSIZE
Definition: print-nfs.c:933
static void print_nfsaddr(netdissect_options *ndo, const u_char *bp, const char *s, const char *d)
Definition: print-nfs.c:201
static const uint32_t * parsefh(netdissect_options *ndo, const uint32_t *dp, int v3)
Definition: print-nfs.c:478
static const uint32_t * parsefattr(netdissect_options *ndo, const uint32_t *dp, int verbose, int v3)
Definition: print-nfs.c:1121
static const struct tok sunrpc_auth_str[]
Definition: print-nfs.c:179
static int parselinkres(netdissect_options *ndo, const uint32_t *dp, int v3, int *nfserrp)
Definition: print-nfs.c:1228
static int parseattrstat(netdissect_options *ndo, const uint32_t *dp, int verbose, int v3, int *nfserrp)
Definition: print-nfs.c:1194
static const uint32_t * parse_wcc_data(netdissect_options *ndo, const uint32_t *dp, int verbose)
Definition: print-nfs.c:1373
void nfsreply_print(netdissect_options *ndo, const u_char *bp, u_int length, const u_char *bp2)
Definition: print-nfs.c:333
static const uint32_t * parsefhn(netdissect_options *ndo, const uint32_t *dp, int v3)
Definition: print-nfs.c:541
static const struct tok nfsproc_str[]
Definition: print-nfs.c:85
static const struct tok nfsv3_writemodes[]
Definition: print-nfs.c:161
static int xid_map_hint
Definition: print-nfs.c:938
static int parsefsinfo(netdissect_options *ndo, const uint32_t *dp, int *nfserrp)
Definition: print-nfs.c:1459
static const struct tok sunrpc_str[]
Definition: print-nfs.c:191
static const uint32_t * parse_post_op_attr(netdissect_options *, const uint32_t *, int)
Definition: print-nfs.c:1360
static const uint32_t * parsefn(netdissect_options *ndo, const uint32_t *dp)
Definition: print-nfs.c:501
static uint32_t nfsv3_procid[26]
Definition: print-nfs.c:56
static const uint32_t * parsev3rddirres(netdissect_options *ndo, const uint32_t *dp, int verbose, int *nfserrp)
Definition: print-nfs.c:1431
static int xid_map_enter(netdissect_options *, const struct sunrpc_msg *, const u_char *)
Definition: print-nfs.c:941
static int xid_map_next
Definition: print-nfs.c:937
static const struct tok type2str[]
Definition: print-nfs.c:168
static void interp_reply(netdissect_options *, const struct sunrpc_msg *, uint32_t, uint32_t, int)
Definition: print-nfs.c:1532
static int xid_map_find(netdissect_options *, const struct sunrpc_msg *, const u_char *, uint32_t *, uint32_t *)
Definition: print-nfs.c:991
void nfsreply_noaddr_print(netdissect_options *ndo, const u_char *bp, u_int length, const u_char *bp2)
Definition: print-nfs.c:358
static const uint32_t * parsecreateopres(netdissect_options *ndo, const uint32_t *dp, int verbose, int *nfserrp)
Definition: print-nfs.c:1388
static void print_sattr3(netdissect_options *ndo, const struct nfsv3_sattr *sa3, int verbose)
Definition: print-nfs.c:313
static int parsediropres(netdissect_options *ndo, const uint32_t *dp, int *nfserrp)
Definition: print-nfs.c:1209
static const uint32_t * parse_wcc_attr(netdissect_options *ndo, const uint32_t *dp)
Definition: print-nfs.c:1324
static const uint32_t * parsereq(netdissect_options *ndo, const struct sunrpc_msg *rp, u_int length)
Definition: print-nfs.c:422
static int parsepathconf(netdissect_options *ndo, const uint32_t *dp, int *nfserrp)
Definition: print-nfs.c:1499
static const uint32_t * parsestatus(netdissect_options *ndo, const uint32_t *dp, u_int *er, int *nfserrp)
Definition: print-nfs.c:1103
static const uint32_t * parsewccres(netdissect_options *ndo, const uint32_t *dp, int verbose, int *nfserrp)
Definition: print-nfs.c:1419
static int parserddires(netdissect_options *ndo, const uint32_t *dp, int *nfserrp)
Definition: print-nfs.c:1302
sunrpc_auth_stat
Definition: rpc_auth.h:47
@ SUNRPC_AUTH_TOOWEAK
Definition: rpc_auth.h:56
@ SUNRPC_AUTH_OK
Definition: rpc_auth.h:48
@ SUNRPC_AUTH_REJECTEDCRED
Definition: rpc_auth.h:53
@ SUNRPC_AUTH_FAILED
Definition: rpc_auth.h:61
@ SUNRPC_AUTH_BADCRED
Definition: rpc_auth.h:52
@ SUNRPC_AUTH_INVALIDRESP
Definition: rpc_auth.h:60
@ SUNRPC_AUTH_REJECTEDVERF
Definition: rpc_auth.h:55
@ SUNRPC_AUTH_BADVERF
Definition: rpc_auth.h:54
sunrpc_accept_stat
Definition: rpc_msg.h:59
@ SUNRPC_GARBAGE_ARGS
Definition: rpc_msg.h:64
@ SUNRPC_PROG_MISMATCH
Definition: rpc_msg.h:62
@ SUNRPC_SYSTEM_ERR
Definition: rpc_msg.h:65
@ SUNRPC_PROG_UNAVAIL
Definition: rpc_msg.h:61
@ SUNRPC_SUCCESS
Definition: rpc_msg.h:60
@ SUNRPC_PROC_UNAVAIL
Definition: rpc_msg.h:63
sunrpc_reject_stat
Definition: rpc_msg.h:68
@ SUNRPC_RPC_MISMATCH
Definition: rpc_msg.h:69
@ SUNRPC_AUTH_ERROR
Definition: rpc_msg.h:70
@ SUNRPC_MSG_DENIED
Definition: rpc_msg.h:56
@ SUNRPC_MSG_ACCEPTED
Definition: rpc_msg.h:55
static uint32_t stringlen
Definition: smbutil.c:26
Definition: ip6.h:76
nd_ipv6 ip6_dst
Definition: ip6.h:87
nd_ipv6 ip6_src
Definition: ip6.h:86
Definition: ip.h:52
nd_ipv4 ip_dst
Definition: ip.h:66
nd_ipv4 ip_src
Definition: ip.h:66
uint32_t Major
Definition: nfsfh.h:48
uint32_t Minor
Definition: nfsfh.h:47
Definition: nfsfh.h:57
char Opaque_Handle[2 *32+1]
Definition: nfsfh.h:59
my_devt Fsid_dev
Definition: nfsfh.h:58
const u_char * ndo_snapend
Definition: netdissect.h:239
const char * ndo_protocol
Definition: netdissect.h:218
Definition: nfs.h:304
nd_uint32_t fa_uid
Definition: nfs.h:308
nd_uint32_t fa_gid
Definition: nfs.h:309
nd_uint32_t fa_mode
Definition: nfs.h:306
nd_uint32_t fa_nlink
Definition: nfs.h:307
nd_uint32_t fa_type
Definition: nfs.h:305
nfstime3 fs_timedelta
Definition: nfs.h:406
nd_uint32_t fs_wtmult
Definition: nfs.h:403
nd_uint32_t fs_wtpref
Definition: nfs.h:402
nd_uint32_t fs_rtmult
Definition: nfs.h:400
nd_uint64_t fs_maxfilesize
Definition: nfs.h:405
nd_uint32_t fs_wtmax
Definition: nfs.h:401
nd_uint32_t fs_rtmax
Definition: nfs.h:398
nd_uint32_t fs_dtpref
Definition: nfs.h:404
nd_uint32_t fs_rtpref
Definition: nfs.h:399
nd_uint32_t pc_casepreserving
Definition: nfs.h:416
nd_uint32_t pc_notrunc
Definition: nfs.h:413
nd_uint32_t pc_namemax
Definition: nfs.h:412
nd_uint32_t pc_caseinsensitive
Definition: nfs.h:415
nd_uint32_t pc_chownrestricted
Definition: nfs.h:414
nd_uint32_t pc_linkmax
Definition: nfs.h:411
uint32_t sa_sizeset
Definition: print-nfs.c:245
struct nfsv3_sattr::@57 sa_atime
uint32_t sa_size
Definition: print-nfs.c:246
uint32_t sa_uidset
Definition: print-nfs.c:241
uint32_t sa_atimetype
Definition: print-nfs.c:247
uint32_t sa_gidset
Definition: print-nfs.c:243
uint32_t nfsv3_sec
Definition: print-nfs.c:249
uint32_t sa_mode
Definition: print-nfs.c:240
uint32_t sa_gid
Definition: print-nfs.c:244
uint32_t sa_modeset
Definition: print-nfs.c:239
struct nfsv3_sattr::@58 sa_mtime
uint32_t sa_mtimetype
Definition: print-nfs.c:252
uint32_t nfsv3_nsec
Definition: print-nfs.c:250
uint32_t sa_uid
Definition: print-nfs.c:242
nd_uint32_t nfsv3_nsec
Definition: nfs.h:282
nd_uint32_t nfsv3_sec
Definition: nfs.h:281
nd_uint32_t rm_xid
Definition: rpc_msg.h:117
const char * s
Definition: netdissect.h:140
Definition: print-nfs.c:918
uint32_t vers
Definition: print-nfs.c:924
uint32_t proc
Definition: print-nfs.c:923
int ipver
Definition: print-nfs.c:920
nd_ipv6 server
Definition: print-nfs.c:922
uint32_t xid
Definition: print-nfs.c:919
nd_ipv6 client
Definition: print-nfs.c:921