packet-afs-macros.h

   1 /* packet-afs-macros.h
   2  * Helper macros for AFS packet dissection
   3  * Copyright 1999, Nathan Neulinger <nneul@umr.edu>
   4  * Based on routines from tcpdump patches by
   5  *   Ken Hornstein <kenh@cmf.nrl.navy.mil>
   6  * Portions based on information retrieved from the RX definitions
   7  *   in Arla, the free AFS client at http://www.stacken.kth.se/project/arla/
   8  * Portions based on information/specs retrieved from the OpenAFS sources at
   9  *   www.openafs.org, Copyright IBM.
  10  *
  11  * $Id: packet-afs-macros.h,v 1.7 2001/03/26 15:27:55 nneul Exp $
  12  *
  13  * Ethereal - Network traffic analyzer
  14  * By Gerald Combs <gerald@zing.org>
  15  * Copyright 1998 Gerald Combs
  16  *
  17  * Copied from packet-tftp.c
  18  *
  19  * This program is free software; you can redistribute it and/or
  20  * modify it under the terms of the GNU General Public License
  21  * as published by the Free Software Foundation; either version 2
  22  * of the License, or (at your option) any later version.
  23  *
  24  * This program is distributed in the hope that it will be useful,
  25  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  26  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  27  * GNU General Public License for more details.
  28  *
  29  * You should have received a copy of the GNU General Public License
  30  * along with this program; if not, write to the Free Software
  31  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  32  */
  33
  34
  35
  36 /*
  37  * Macros for helper dissection routines
  38  *
  39  * The macros are here to save on coding. They assume that
  40  * the current offset is in 'curoffset', and that the offset
  41  * should be incremented after performing the macro's operation.
  42  */
  43
  44 /* Get the next available integer, be sure and call TRUNC beforehand */
  45 #define GETINT() (pntohl(&pd[curoffset]))
  46
  47 /* Check if enough bytes are present, if not, return to caller
  48    after adding a 'Truncated' message to tree */
  49 #define TRUNC(bytes) \
  50         if(!BYTES_ARE_IN_FRAME(curoffset,(bytes))) \
  51         {       \
  52                 proto_tree_add_text(tree, NullTVB,curoffset, \
  53                         END_OF_FRAME,"Truncated"); \
  54                 /* not sure why, but this didn't work */ \
  55                 /* if (check_col(fd, COL_INFO)) */ \
  56                         /* col_append_fstr(fd, COL_INFO, " (TRUNCATED)"); */ \
  57                 return; \
  58         }
  59
  60 /* Output a unsigned integer, stored into field 'field'
  61    Assumes it is in network byte order, converts to host before using */
  62 #define OUT_UINT(field) \
  63         TRUNC(sizeof(guint32)) \
  64         proto_tree_add_uint(tree,field, NullTVB,curoffset,sizeof(guint32), GETINT()); \
  65         curoffset += 4;
  66
  67 /* Output a unsigned integer, stored into field 'field'
  68    Assumes it is in network byte order, converts to host before using */
  69 #define OUT_INT(field) \
  70         TRUNC(sizeof(guint32)) \
  71         proto_tree_add_int(tree,field, NullTVB,curoffset,sizeof(gint32), GETINT()); \
  72         curoffset += 4;
  73
  74 /* Output a unsigned integer, stored into field 'field'
  75    Assumes it is in network byte order, converts to host before using,
  76    Note - does not increment offset, so can be used repeatedly for bitfields */
  77 #define DISP_UINT(field) \
  78         TRUNC(sizeof(guint32)) \
  79         proto_tree_add_uint(tree,field, NullTVB,curoffset,sizeof(guint32), GETINT());
  80
  81 /* Output an IPv4 address, stored into field 'field' */
  82 #define OUT_IP(field) \
  83         TRUNC(sizeof(gint32)) \
  84         proto_tree_add_ipv4(tree,field, NullTVB,curoffset,sizeof(gint32),\
  85                 *((int*)&pd[curoffset]));\
  86         curoffset += 4;
  87
  88 /* Output a UNIX seconds/microseconds timestamp, after converting to a timeval */
  89 #define OUT_TIMESTAMP(field) \
  90         { struct timeval tv; \
  91         TRUNC(2*sizeof(guint32)); \
  92         tv.tv_sec = GETINT(); \
  93         tv.tv_usec = GETINT(); \
  94         proto_tree_add_time(tree,field, NullTVB,curoffset,2*sizeof(guint32),&tv); \
  95         curoffset += 8; \
  96         }
  97
  98 /* Output a UNIX seconds-only timestamp, after converting to a timeval */
  99 #define OUT_DATE(field) \
 100         { struct timeval tv; \
 101         TRUNC(sizeof(guint32)); \
 102         tv.tv_sec = GETINT(); \
 103         tv.tv_usec = 0; \
 104         proto_tree_add_time(tree,field, NullTVB,curoffset,sizeof(guint32),&tv); \
 105         curoffset += 4; \
 106         }
 107
 108 /* Output a callback */
 109 #define OUT_FS_AFSCallBack() \
 110         {       proto_tree *save, *ti; \
 111                 ti = proto_tree_add_text(tree, NullTVB, curoffset, 3*4, "Callback"); \
 112                 save = tree; \
 113                 tree = proto_item_add_subtree(ti, ett_afs_callback); \
 114                 TRUNC(3*sizeof(guint32)); \
 115                 OUT_UINT(hf_afs_fs_callback_version); \
 116                 OUT_DATE(hf_afs_fs_callback_expires); \
 117                 OUT_UINT(hf_afs_fs_callback_type); \
 118                 tree = save; \
 119         }
 120
 121 /* Output a callback */
 122 #define OUT_CB_AFSCallBack() \
 123         {       proto_tree *save, *ti; \
 124                 ti = proto_tree_add_text(tree, NullTVB, curoffset, 3*4, "Callback"); \
 125                 save = tree; \
 126                 tree = proto_item_add_subtree(ti, ett_afs_callback); \
 127                 TRUNC(3*sizeof(guint32)); \
 128                 OUT_UINT(hf_afs_cb_callback_version); \
 129                 OUT_DATE(hf_afs_cb_callback_expires); \
 130                 OUT_UINT(hf_afs_cb_callback_type); \
 131                 tree = save; \
 132         }
 133
 134
 135 /* Output a File ID */
 136 #define OUT_FS_AFSFid(label) \
 137         {       proto_tree *save, *ti; \
 138                 ti = proto_tree_add_text(tree, NullTVB, curoffset, 3*4, \
 139                         "FileID (%s)", label); \
 140                 save = tree; \
 141                 tree = proto_item_add_subtree(ti, ett_afs_fid); \
 142                 OUT_UINT(hf_afs_fs_fid_volume); \
 143                 OUT_UINT(hf_afs_fs_fid_vnode); \
 144                 OUT_UINT(hf_afs_fs_fid_uniqifier); \
 145                 tree = save; \
 146         }
 147
 148 /* Output a Status mask */
 149 #define OUT_FS_STATUSMASK() \
 150         {       proto_tree *save, *ti; \
 151                 guint32 mask; \
 152                 TRUNC(sizeof(guint32)); \
 153                 mask = GETINT(); \
 154                 ti = proto_tree_add_uint(tree, hf_afs_fs_status_mask, NullTVB, curoffset, \
 155                         sizeof(guint32), mask); \
 156                 save = tree; \
 157                 tree = proto_item_add_subtree(ti, ett_afs_status_mask); \
 158                 proto_tree_add_uint(tree, hf_afs_fs_status_mask_setmodtime, \
 159                         NullTVB,curoffset,sizeof(guint32), mask); \
 160                 proto_tree_add_uint(tree, hf_afs_fs_status_mask_setowner, \
 161                         NullTVB,curoffset,sizeof(guint32), mask); \
 162                 proto_tree_add_uint(tree, hf_afs_fs_status_mask_setgroup, \
 163                         NullTVB,curoffset,sizeof(guint32), mask); \
 164                 proto_tree_add_uint(tree, hf_afs_fs_status_mask_setmode, \
 165                         NullTVB,curoffset,sizeof(guint32), mask); \
 166                 proto_tree_add_uint(tree, hf_afs_fs_status_mask_setsegsize, \
 167                         NullTVB,curoffset,sizeof(guint32), mask); \
 168                 proto_tree_add_uint(tree, hf_afs_fs_status_mask_fsync, \
 169                         NullTVB,curoffset,sizeof(guint32), mask); \
 170                 curoffset += 4; \
 171                 tree = save; \
 172         }
 173
 174 /* Output a File ID */
 175 #define OUT_CB_AFSFid(label) \
 176         {       proto_tree *save, *ti; \
 177                 ti = proto_tree_add_text(tree, NullTVB, curoffset, 3*4, \
 178                         "FileID (%s)", label); \
 179                 save = tree; \
 180                 tree = proto_item_add_subtree(ti, ett_afs_fid); \
 181                 OUT_UINT(hf_afs_cb_fid_volume); \
 182                 OUT_UINT(hf_afs_cb_fid_vnode); \
 183                 OUT_UINT(hf_afs_cb_fid_uniqifier); \
 184                 tree = save; \
 185         }
 186
 187 /* Output a StoreStatus */
 188 #define OUT_FS_AFSStoreStatus(label) \
 189         {       proto_tree *save, *ti; \
 190                 ti = proto_tree_add_text(tree, NullTVB, curoffset, 6*4, \
 191                         label); \
 192                 save = tree; \
 193                 tree = proto_item_add_subtree(ti, ett_afs_status); \
 194                 OUT_FS_STATUSMASK(); \
 195                 OUT_DATE(hf_afs_fs_status_clientmodtime); \
 196                 OUT_UINT(hf_afs_fs_status_owner); \
 197                 OUT_UINT(hf_afs_fs_status_group); \
 198                 OUT_UINT(hf_afs_fs_status_mode); \
 199                 OUT_UINT(hf_afs_fs_status_segsize); \
 200                 tree = save; \
 201         }
 202
 203 /* Output a FetchStatus */
 204 #define OUT_FS_AFSFetchStatus(label) \
 205         {       proto_tree *save, *ti; \
 206                 ti = proto_tree_add_text(tree, NullTVB, curoffset, 21*4, \
 207                         label); \
 208                 save = tree; \
 209                 tree = proto_item_add_subtree(ti, ett_afs_status); \
 210                 OUT_UINT(hf_afs_fs_status_interfaceversion); \
 211                 OUT_UINT(hf_afs_fs_status_filetype); \
 212                 OUT_UINT(hf_afs_fs_status_linkcount); \
 213                 OUT_UINT(hf_afs_fs_status_length); \
 214                 OUT_UINT(hf_afs_fs_status_dataversion); \
 215                 OUT_UINT(hf_afs_fs_status_author); \
 216                 OUT_UINT(hf_afs_fs_status_owner); \
 217                 OUT_UINT(hf_afs_fs_status_calleraccess); \
 218                 OUT_UINT(hf_afs_fs_status_anonymousaccess); \
 219                 OUT_UINT(hf_afs_fs_status_mode); \
 220                 OUT_UINT(hf_afs_fs_status_parentvnode); \
 221                 OUT_UINT(hf_afs_fs_status_parentunique); \
 222                 OUT_UINT(hf_afs_fs_status_segsize); \
 223                 OUT_DATE(hf_afs_fs_status_clientmodtime); \
 224                 OUT_DATE(hf_afs_fs_status_servermodtime); \
 225                 OUT_UINT(hf_afs_fs_status_group); \
 226                 OUT_UINT(hf_afs_fs_status_synccounter); \
 227                 OUT_UINT(hf_afs_fs_status_dataversionhigh); \
 228                 OUT_UINT(hf_afs_fs_status_spare2); \
 229                 OUT_UINT(hf_afs_fs_status_spare3); \
 230                 OUT_UINT(hf_afs_fs_status_spare4); \
 231                 tree = save; \
 232         }
 233
 234 /* Output a VolSync */
 235 #define OUT_FS_AFSVolSync() \
 236         {       proto_tree *save, *ti; \
 237                 ti = proto_tree_add_text(tree, NullTVB, curoffset, 6*4, \
 238                         "VolSync"); \
 239                 save = tree; \
 240                 tree = proto_item_add_subtree(ti, ett_afs_volsync); \
 241                 OUT_UINT(hf_afs_fs_volsync_spare1); \
 242                 OUT_UINT(hf_afs_fs_volsync_spare2); \
 243                 OUT_UINT(hf_afs_fs_volsync_spare3); \
 244                 OUT_UINT(hf_afs_fs_volsync_spare4); \
 245                 OUT_UINT(hf_afs_fs_volsync_spare5); \
 246                 OUT_UINT(hf_afs_fs_volsync_spare6); \
 247                 tree = save; \
 248         }
 249
 250 /* Output a AFSCBFids */
 251 #define OUT_FS_AFSCBFids() \
 252         { \
 253                 unsigned int j,i; \
 254                 TRUNC(1); \
 255                 j = pntohl(&pd[curoffset]); \
 256                 curoffset += 1; \
 257                 for (i=0; i<j; i++) { \
 258                         OUT_FS_AFSFid("Target"); \
 259                 } \
 260         }
 261
 262 /* Output a ViceIds */
 263 #define OUT_FS_ViceIds() \
 264         { \
 265                 unsigned int j,i; \
 266                 TRUNC(1); \
 267                 j = pntohl(&pd[curoffset]); \
 268                 curoffset += 1; \
 269                 for (i=0; i<j; i++) { \
 270                         OUT_UINT(hf_afs_fs_viceid); \
 271                 } \
 272         }
 273
 274 /* Output a IPAddrs */
 275 #define OUT_FS_IPAddrs() \
 276         { \
 277                 unsigned int j,i; \
 278                 TRUNC(1); \
 279                 j = pntohl(&pd[curoffset]); \
 280                 curoffset += 1; \
 281                 for (i=0; i<j; i++) { \
 282                         OUT_IP(hf_afs_fs_ipaddr); \
 283                 } \
 284         }
 285
 286 /* Output a AFSCBs */
 287 #define OUT_FS_AFSCBs() \
 288         { \
 289                 unsigned int j,i; \
 290                 TRUNC(1); \
 291                 j = pntohl(&pd[curoffset]); \
 292                 curoffset += 1; \
 293                 for (i=0; i<j; i++) { \
 294                         OUT_FS_AFSCallBack(); \
 295                 } \
 296         }
 297
 298
 299 /* Output a AFSBulkStats */
 300 #define OUT_FS_AFSBulkStats() \
 301         { \
 302                 unsigned int j,i; \
 303                 TRUNC(1); \
 304                 j = pntohl(&pd[curoffset]); \
 305                 curoffset += 1; \
 306                 for (i=0; i<j; i++) { \
 307                         OUT_FS_AFSFetchStatus("Status"); \
 308                 } \
 309         }
 310
 311 /* Output a AFSFetchVolumeStatus */
 312 #define OUT_FS_AFSFetchVolumeStatus()
 313
 314 /* Output a AFSStoreVolumeStatus */
 315 #define OUT_FS_AFSStoreVolumeStatus()
 316
 317 /* Output a ViceStatistics structure */
 318 #define OUT_FS_ViceStatistics()
 319
 320 /* Output a AFS_CollData structure */
 321 #define OUT_FS_AFS_CollData()
 322
 323 /* Output a VolumeInfo structure */
 324 #define OUT_FS_VolumeInfo()
 325
 326 /* Output an AFS Token - might just be bytes though */
 327 #define OUT_FS_AFSTOKEN() VECOUT(hf_afs_fs_token, 1024)
 328
 329 /* Output a AFS acl */
 330 #define ACLOUT(who, positive, acl, bytes) \
 331         {       proto_tree *save, *ti; \
 332                 int tmpoffset; \
 333                 int acllen; \
 334                 char tmp[10]; \
 335                 tmp[0] = 0; \
 336                 if ( acl & PRSFS_READ ) strcat(tmp, "r"); \
 337                 if ( acl & PRSFS_LOOKUP ) strcat(tmp, "l"); \
 338                 if ( acl & PRSFS_INSERT ) strcat(tmp, "i"); \
 339                 if ( acl & PRSFS_DELETE ) strcat(tmp, "d"); \
 340                 if ( acl & PRSFS_WRITE ) strcat(tmp, "w"); \
 341                 if ( acl & PRSFS_LOCK ) strcat(tmp, "k"); \
 342                 if ( acl & PRSFS_ADMINISTER ) strcat(tmp, "a"); \
 343                 ti = proto_tree_add_text(tree, NullTVB, curoffset, bytes, \
 344                         "ACL:  %s %s%s", \
 345                         who, tmp, positive ? "" : " (negative)"); \
 346                 save = tree; \
 347                 tree = proto_item_add_subtree(ti, ett_afs_acl); \
 348                 proto_tree_add_string(tree,hf_afs_fs_acl_entity, NullTVB,curoffset,strlen(who), who);\
 349                 tmpoffset = curoffset + strlen(who) + 1; \
 350                 acllen = bytes - strlen(who) - 1; \
 351                 proto_tree_add_uint(tree,hf_afs_fs_acl_r, NullTVB,tmpoffset,acllen,acl);\
 352                 proto_tree_add_uint(tree,hf_afs_fs_acl_l, NullTVB,tmpoffset,acllen,acl);\
 353                 proto_tree_add_uint(tree,hf_afs_fs_acl_i, NullTVB,tmpoffset,acllen,acl);\
 354                 proto_tree_add_uint(tree,hf_afs_fs_acl_d, NullTVB,tmpoffset,acllen,acl);\
 355                 proto_tree_add_uint(tree,hf_afs_fs_acl_w, NullTVB,tmpoffset,acllen,acl);\
 356                 proto_tree_add_uint(tree,hf_afs_fs_acl_k, NullTVB,tmpoffset,acllen,acl);\
 357                 proto_tree_add_uint(tree,hf_afs_fs_acl_a, NullTVB,tmpoffset,acllen,acl);\
 358                 tree = save; \
 359         }
 360
 361 /* output a bozo_key */
 362 #define OUT_BOS_KEY() \
 363         OUT_BYTES(hf_afs_bos_key, 8);
 364
 365 /* output a bozo_key */
 366 #define OUT_BOS_KEYINFO() \
 367         OUT_TIMESTAMP(hf_afs_bos_keymodtime); \
 368         OUT_UINT(hf_afs_bos_keychecksum); \
 369         OUT_UINT(hf_afs_bos_keyspare2);
 370
 371 /* output a bozo_netKTime */
 372 #define OUT_BOS_TIME() \
 373         SKIP(4); SKIP(2); SKIP(2); SKIP(2); SKIP(2);
 374
 375 /* output a bozo_status */
 376 #define OUT_BOS_STATUS() \
 377         SKIP(10 * 4);
 378
 379 /* output a ubik interface addr array */
 380 #define OUT_UBIK_InterfaceAddrs() \
 381     { \
 382         unsigned int i,j,seen_null=0; \
 383         for (i=0; i<255; i++) { \
 384                         j = GETINT(); \
 385                         if ( j != 0 ) { \
 386                                 OUT_IP(hf_afs_ubik_interface); \
 387                                 seen_null = 0; \
 388                         } else { \
 389                                 if ( ! seen_null ) { \
 390                                 TRUNC(4); \
 391                                 proto_tree_add_text(tree, NullTVB,curoffset,END_OF_FRAME, \
 392                                         "Null Interface Addresses"); \
 393                                         seen_null = 1; \
 394                                 } \
 395                                 curoffset += 4; \
 396                         }\
 397         } \
 398     }
 399
 400 #define OUT_UBIK_DebugOld() \
 401         { \
 402                 OUT_DATE(hf_afs_ubik_now); \
 403                 OUT_DATE(hf_afs_ubik_lastyestime); \
 404                 OUT_IP(hf_afs_ubik_lastyeshost); \
 405                 OUT_UINT(hf_afs_ubik_lastyesstate); \
 406                 OUT_DATE(hf_afs_ubik_lastyesclaim); \
 407                 OUT_IP(hf_afs_ubik_lowesthost); \
 408                 OUT_DATE(hf_afs_ubik_lowesttime); \
 409                 OUT_IP(hf_afs_ubik_synchost); \
 410                 OUT_DATE(hf_afs_ubik_synctime); \
 411                 OUT_UBIKVERSION("Sync Version"); \
 412                 OUT_UBIKVERSION("Sync TID"); \
 413                 OUT_UINT(hf_afs_ubik_amsyncsite); \
 414                 OUT_DATE(hf_afs_ubik_syncsiteuntil); \
 415                 OUT_UINT(hf_afs_ubik_nservers); \
 416                 OUT_UINT(hf_afs_ubik_lockedpages); \
 417                 OUT_UINT(hf_afs_ubik_writelockedpages); \
 418                 OUT_UBIKVERSION("Local Version"); \
 419                 OUT_UINT(hf_afs_ubik_activewrite); \
 420                 OUT_UINT(hf_afs_ubik_tidcounter); \
 421                 OUT_UINT(hf_afs_ubik_anyreadlocks); \
 422                 OUT_UINT(hf_afs_ubik_anywritelocks); \
 423                 OUT_UINT(hf_afs_ubik_recoverystate); \
 424                 OUT_UINT(hf_afs_ubik_currenttrans); \
 425                 OUT_UINT(hf_afs_ubik_writetrans); \
 426                 OUT_DATE(hf_afs_ubik_epochtime); \
 427         }
 428
 429 #define OUT_UBIK_SDebugOld() \
 430         { \
 431                 OUT_IP(hf_afs_ubik_addr); \
 432                 OUT_DATE(hf_afs_ubik_lastvotetime); \
 433                 OUT_DATE(hf_afs_ubik_lastbeaconsent); \
 434                 OUT_UINT(hf_afs_ubik_lastvote); \
 435                 OUT_UBIKVERSION("Remote Version"); \
 436                 OUT_UINT(hf_afs_ubik_currentdb); \
 437                 OUT_UINT(hf_afs_ubik_beaconsincedown); \
 438                 OUT_UINT(hf_afs_ubik_up); \
 439         }
 440
 441 /* Skip a certain number of bytes */
 442 #define SKIP(bytes) \
 443         TRUNC(bytes) \
 444         curoffset += bytes;
 445
 446 /* Raw data - to end of frame */
 447 #define OUT_BYTES_ALL(field) OUT_BYTES(field, offset+END_OF_FRAME-curoffset)
 448
 449 /* Raw data */
 450 #define OUT_BYTES(field, bytes) \
 451         TRUNC(bytes); \
 452         proto_tree_add_bytes(tree,field, NullTVB,curoffset,bytes,\
 453                 (void *)&pd[curoffset]); \
 454         curoffset += bytes;
 455
 456 /* Output a rx style string, up to a maximum length first
 457    4 bytes - length, then char data */
 458 #define OUT_STRING(field) \
 459         {       int i; \
 460                 TRUNC(4); \
 461                 i = GETINT(); \
 462                 curoffset += 4; \
 463                 if ( i > 0 ) { \
 464                         char *tmp; \
 465                         TRUNC(i); \
 466                         tmp = g_malloc(i+1); \
 467                         memcpy(tmp, &pd[curoffset], i); \
 468                         tmp[i] = '\0'; \
 469                         proto_tree_add_string(tree, field, NullTVB, curoffset-4, i+4, \
 470                         (void *)tmp); \
 471                         g_free(tmp); \
 472                 } else { \
 473                         proto_tree_add_string(tree, field, NullTVB, curoffset-4, 4, \
 474                         ""); \
 475                 } \
 476                 curoffset += i; \
 477         }
 478
 479 /* Output a fixed length vectorized string (each char is a 32 bit int) */
 480 #define VECOUT(field, length) \
 481         {       char tmp[length+1]; \
 482                 int i,soff; \
 483                 soff = curoffset;\
 484                 TRUNC(length * sizeof(guint32));\
 485                 for (i=0; i<length; i++)\
 486                 {\
 487                         tmp[i] = (char) GETINT();\
 488                         curoffset += sizeof(guint32);\
 489                 }\
 490                 tmp[length] = '\0';\
 491                 proto_tree_add_string(tree, field, NullTVB, soff, length, tmp);\
 492         }
 493
 494 /* Skip the opcode */
 495 #define SKIP_OPCODE() \
 496         { \
 497                 SKIP(sizeof(guint32)); \
 498         }
 499
 500 /* Output a UBIK version code */
 501 #define OUT_UBIKVERSION(label) \
 502         {       proto_tree *save, *ti; \
 503                 unsigned int epoch,counter; \
 504                 struct timeval tv; \
 505                 TRUNC(8); \
 506                 epoch = GETINT(); \
 507                 curoffset += 4; \
 508                 counter = GETINT(); \
 509                 curoffset += 4; \
 510                 tv.tv_sec = epoch; \
 511                 tv.tv_usec = 0; \
 512                 ti = proto_tree_add_text(tree, NullTVB, curoffset-8, 8, \
 513                         "UBIK Version (%s): %u.%u", label, epoch, counter ); \
 514                 save = tree; \
 515                 tree = proto_item_add_subtree(ti, ett_afs_ubikver); \
 516                 if ( epoch != 0 ) \
 517                 proto_tree_add_time(tree,hf_afs_ubik_version_epoch, NullTVB,curoffset-8, \
 518                         sizeof(guint32),&tv); \
 519                 else \
 520                         proto_tree_add_text(tree, NullTVB, curoffset-8, \
 521                         sizeof(guint32),"Epoch: 0"); \
 522                 proto_tree_add_uint(tree,hf_afs_ubik_version_counter, NullTVB,curoffset-4, \
 523                         sizeof(guint32),counter); \
 524                 tree = save; \
 525         }
 526
 527