| 1 | /* |
| 2 | * Copyright (c) 1992, 1993, 1994, 1995, 1996, 1997 |
| 3 | * The Regents of the University of California. All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that: (1) source code distributions |
| 7 | * retain the above copyright notice and this paragraph in its entirety, (2) |
| 8 | * distributions including binary code include the above copyright notice and |
| 9 | * this paragraph in its entirety in the documentation or other materials |
| 10 | * provided with the distribution, and (3) all advertising materials mentioning |
| 11 | * features or use of this software display the following acknowledgement: |
| 12 | * ``This product includes software developed by the University of California, |
| 13 | * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of |
| 14 | * the University nor the names of its contributors may be used to endorse |
| 15 | * or promote products derived from this software without specific prior |
| 16 | * written permission. |
| 17 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED |
| 18 | * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF |
| 19 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
| 20 | */ |
| 21 | |
| 22 | #ifndef lint |
| 23 | static const char rcsid[] _U_ = |
| 24 | "@(#) $Header: /tcpdump/master/tcpdump/print-decnet.c,v 1.38.2.1 2005/05/06 02:16:53 guy Exp $ (LBL)"; |
| 25 | #endif |
| 26 | |
| 27 | #ifdef HAVE_CONFIG_H |
| 28 | #include "config.h" |
| 29 | #endif |
| 30 | |
| 31 | #include <tcpdump-stdinc.h> |
| 32 | |
| 33 | struct mbuf; |
| 34 | struct rtentry; |
| 35 | |
| 36 | #ifdef HAVE_NETDNET_DNETDB_H |
| 37 | #include <netdnet/dnetdb.h> |
| 38 | #endif |
| 39 | |
| 40 | #include <stdio.h> |
| 41 | #include <stdlib.h> |
| 42 | #include <string.h> |
| 43 | |
| 44 | #include "decnet.h" |
| 45 | #include "extract.h" |
| 46 | #include "interface.h" |
| 47 | #include "addrtoname.h" |
| 48 | |
| 49 | /* Forwards */ |
| 50 | static int print_decnet_ctlmsg(const union routehdr *, u_int, u_int); |
| 51 | static void print_t_info(int); |
| 52 | static int print_l1_routes(const char *, u_int); |
| 53 | static int print_l2_routes(const char *, u_int); |
| 54 | static void print_i_info(int); |
| 55 | static int print_elist(const char *, u_int); |
| 56 | static int print_nsp(const u_char *, u_int); |
| 57 | static void print_reason(int); |
| 58 | #ifdef PRINT_NSPDATA |
| 59 | static void pdata(u_char *, int); |
| 60 | #endif |
| 61 | |
| 62 | #ifndef HAVE_NETDNET_DNETDB_H_DNET_HTOA |
| 63 | extern char *dnet_htoa(struct dn_naddr *); |
| 64 | #endif |
| 65 | |
| 66 | void |
| 67 | decnet_print(register const u_char *ap, register u_int length, |
| 68 | register u_int caplen) |
| 69 | { |
| 70 | register const union routehdr *rhp; |
| 71 | register int mflags; |
| 72 | int dst, src, hops; |
| 73 | u_int nsplen, pktlen; |
| 74 | const u_char *nspp; |
| 75 | |
| 76 | if (length < sizeof(struct shorthdr)) { |
| 77 | (void)printf("[|decnet]"); |
| 78 | return; |
| 79 | } |
| 80 | |
| 81 | TCHECK2(*ap, sizeof(short)); |
| 82 | pktlen = EXTRACT_LE_16BITS(ap); |
| 83 | if (pktlen < sizeof(struct shorthdr)) { |
| 84 | (void)printf("[|decnet]"); |
| 85 | return; |
| 86 | } |
| 87 | if (pktlen > length) { |
| 88 | (void)printf("[|decnet]"); |
| 89 | return; |
| 90 | } |
| 91 | length = pktlen; |
| 92 | |
| 93 | rhp = (const union routehdr *)&(ap[sizeof(short)]); |
| 94 | TCHECK(rhp->rh_short.sh_flags); |
| 95 | mflags = EXTRACT_LE_8BITS(rhp->rh_short.sh_flags); |
| 96 | |
| 97 | if (mflags & RMF_PAD) { |
| 98 | /* pad bytes of some sort in front of message */ |
| 99 | u_int padlen = mflags & RMF_PADMASK; |
| 100 | if (vflag) |
| 101 | (void) printf("[pad:%d] ", padlen); |
| 102 | if (length < padlen + 2) { |
| 103 | (void)printf("[|decnet]"); |
| 104 | return; |
| 105 | } |
| 106 | TCHECK2(ap[sizeof(short)], padlen); |
| 107 | ap += padlen; |
| 108 | length -= padlen; |
| 109 | caplen -= padlen; |
| 110 | rhp = (const union routehdr *)&(ap[sizeof(short)]); |
| 111 | mflags = EXTRACT_LE_8BITS(rhp->rh_short.sh_flags); |
| 112 | } |
| 113 | |
| 114 | if (mflags & RMF_FVER) { |
| 115 | (void) printf("future-version-decnet"); |
| 116 | default_print(ap, min(length, caplen)); |
| 117 | return; |
| 118 | } |
| 119 | |
| 120 | /* is it a control message? */ |
| 121 | if (mflags & RMF_CTLMSG) { |
| 122 | if (!print_decnet_ctlmsg(rhp, length, caplen)) |
| 123 | goto trunc; |
| 124 | return; |
| 125 | } |
| 126 | |
| 127 | switch (mflags & RMF_MASK) { |
| 128 | case RMF_LONG: |
| 129 | if (length < sizeof(struct longhdr)) { |
| 130 | (void)printf("[|decnet]"); |
| 131 | return; |
| 132 | } |
| 133 | TCHECK(rhp->rh_long); |
| 134 | dst = |
| 135 | EXTRACT_LE_16BITS(rhp->rh_long.lg_dst.dne_remote.dne_nodeaddr); |
| 136 | src = |
| 137 | EXTRACT_LE_16BITS(rhp->rh_long.lg_src.dne_remote.dne_nodeaddr); |
| 138 | hops = EXTRACT_LE_8BITS(rhp->rh_long.lg_visits); |
| 139 | nspp = &(ap[sizeof(short) + sizeof(struct longhdr)]); |
| 140 | nsplen = length - sizeof(struct longhdr); |
| 141 | break; |
| 142 | case RMF_SHORT: |
| 143 | TCHECK(rhp->rh_short); |
| 144 | dst = EXTRACT_LE_16BITS(rhp->rh_short.sh_dst); |
| 145 | src = EXTRACT_LE_16BITS(rhp->rh_short.sh_src); |
| 146 | hops = (EXTRACT_LE_8BITS(rhp->rh_short.sh_visits) & VIS_MASK)+1; |
| 147 | nspp = &(ap[sizeof(short) + sizeof(struct shorthdr)]); |
| 148 | nsplen = length - sizeof(struct shorthdr); |
| 149 | break; |
| 150 | default: |
| 151 | (void) printf("unknown message flags under mask"); |
| 152 | default_print((u_char *)ap, min(length, caplen)); |
| 153 | return; |
| 154 | } |
| 155 | |
| 156 | (void)printf("%s > %s %d ", |
| 157 | dnaddr_string(src), dnaddr_string(dst), pktlen); |
| 158 | if (vflag) { |
| 159 | if (mflags & RMF_RQR) |
| 160 | (void)printf("RQR "); |
| 161 | if (mflags & RMF_RTS) |
| 162 | (void)printf("RTS "); |
| 163 | if (mflags & RMF_IE) |
| 164 | (void)printf("IE "); |
| 165 | (void)printf("%d hops ", hops); |
| 166 | } |
| 167 | |
| 168 | if (!print_nsp(nspp, nsplen)) |
| 169 | goto trunc; |
| 170 | return; |
| 171 | |
| 172 | trunc: |
| 173 | (void)printf("[|decnet]"); |
| 174 | return; |
| 175 | } |
| 176 | |
| 177 | static int |
| 178 | print_decnet_ctlmsg(register const union routehdr *rhp, u_int length, |
| 179 | u_int caplen) |
| 180 | { |
| 181 | int mflags = EXTRACT_LE_8BITS(rhp->rh_short.sh_flags); |
| 182 | register union controlmsg *cmp = (union controlmsg *)rhp; |
| 183 | int src, dst, info, blksize, eco, ueco, hello, other, vers; |
| 184 | etheraddr srcea, rtea; |
| 185 | int priority; |
| 186 | char *rhpx = (char *)rhp; |
| 187 | int ret; |
| 188 | |
| 189 | switch (mflags & RMF_CTLMASK) { |
| 190 | case RMF_INIT: |
| 191 | (void)printf("init "); |
| 192 | if (length < sizeof(struct initmsg)) |
| 193 | goto trunc; |
| 194 | TCHECK(cmp->cm_init); |
| 195 | src = EXTRACT_LE_16BITS(cmp->cm_init.in_src); |
| 196 | info = EXTRACT_LE_8BITS(cmp->cm_init.in_info); |
| 197 | blksize = EXTRACT_LE_16BITS(cmp->cm_init.in_blksize); |
| 198 | vers = EXTRACT_LE_8BITS(cmp->cm_init.in_vers); |
| 199 | eco = EXTRACT_LE_8BITS(cmp->cm_init.in_eco); |
| 200 | ueco = EXTRACT_LE_8BITS(cmp->cm_init.in_ueco); |
| 201 | hello = EXTRACT_LE_16BITS(cmp->cm_init.in_hello); |
| 202 | print_t_info(info); |
| 203 | (void)printf( |
| 204 | "src %sblksize %d vers %d eco %d ueco %d hello %d", |
| 205 | dnaddr_string(src), blksize, vers, eco, ueco, |
| 206 | hello); |
| 207 | ret = 1; |
| 208 | break; |
| 209 | case RMF_VER: |
| 210 | (void)printf("verification "); |
| 211 | if (length < sizeof(struct verifmsg)) |
| 212 | goto trunc; |
| 213 | TCHECK(cmp->cm_ver); |
| 214 | src = EXTRACT_LE_16BITS(cmp->cm_ver.ve_src); |
| 215 | other = EXTRACT_LE_8BITS(cmp->cm_ver.ve_fcnval); |
| 216 | (void)printf("src %s fcnval %o", dnaddr_string(src), other); |
| 217 | ret = 1; |
| 218 | break; |
| 219 | case RMF_TEST: |
| 220 | (void)printf("test "); |
| 221 | if (length < sizeof(struct testmsg)) |
| 222 | goto trunc; |
| 223 | TCHECK(cmp->cm_test); |
| 224 | src = EXTRACT_LE_16BITS(cmp->cm_test.te_src); |
| 225 | other = EXTRACT_LE_8BITS(cmp->cm_test.te_data); |
| 226 | (void)printf("src %s data %o", dnaddr_string(src), other); |
| 227 | ret = 1; |
| 228 | break; |
| 229 | case RMF_L1ROUT: |
| 230 | (void)printf("lev-1-routing "); |
| 231 | if (length < sizeof(struct l1rout)) |
| 232 | goto trunc; |
| 233 | TCHECK(cmp->cm_l1rou); |
| 234 | src = EXTRACT_LE_16BITS(cmp->cm_l1rou.r1_src); |
| 235 | (void)printf("src %s ", dnaddr_string(src)); |
| 236 | ret = print_l1_routes(&(rhpx[sizeof(struct l1rout)]), |
| 237 | length - sizeof(struct l1rout)); |
| 238 | break; |
| 239 | case RMF_L2ROUT: |
| 240 | (void)printf("lev-2-routing "); |
| 241 | if (length < sizeof(struct l2rout)) |
| 242 | goto trunc; |
| 243 | TCHECK(cmp->cm_l2rout); |
| 244 | src = EXTRACT_LE_16BITS(cmp->cm_l2rout.r2_src); |
| 245 | (void)printf("src %s ", dnaddr_string(src)); |
| 246 | ret = print_l2_routes(&(rhpx[sizeof(struct l2rout)]), |
| 247 | length - sizeof(struct l2rout)); |
| 248 | break; |
| 249 | case RMF_RHELLO: |
| 250 | (void)printf("router-hello "); |
| 251 | if (length < sizeof(struct rhellomsg)) |
| 252 | goto trunc; |
| 253 | TCHECK(cmp->cm_rhello); |
| 254 | vers = EXTRACT_LE_8BITS(cmp->cm_rhello.rh_vers); |
| 255 | eco = EXTRACT_LE_8BITS(cmp->cm_rhello.rh_eco); |
| 256 | ueco = EXTRACT_LE_8BITS(cmp->cm_rhello.rh_ueco); |
| 257 | memcpy((char *)&srcea, (char *)&(cmp->cm_rhello.rh_src), |
| 258 | sizeof(srcea)); |
| 259 | src = EXTRACT_LE_16BITS(srcea.dne_remote.dne_nodeaddr); |
| 260 | info = EXTRACT_LE_8BITS(cmp->cm_rhello.rh_info); |
| 261 | blksize = EXTRACT_LE_16BITS(cmp->cm_rhello.rh_blksize); |
| 262 | priority = EXTRACT_LE_8BITS(cmp->cm_rhello.rh_priority); |
| 263 | hello = EXTRACT_LE_16BITS(cmp->cm_rhello.rh_hello); |
| 264 | print_i_info(info); |
| 265 | (void)printf( |
| 266 | "vers %d eco %d ueco %d src %s blksize %d pri %d hello %d", |
| 267 | vers, eco, ueco, dnaddr_string(src), |
| 268 | blksize, priority, hello); |
| 269 | ret = print_elist(&(rhpx[sizeof(struct rhellomsg)]), |
| 270 | length - sizeof(struct rhellomsg)); |
| 271 | break; |
| 272 | case RMF_EHELLO: |
| 273 | (void)printf("endnode-hello "); |
| 274 | if (length < sizeof(struct ehellomsg)) |
| 275 | goto trunc; |
| 276 | TCHECK(cmp->cm_ehello); |
| 277 | vers = EXTRACT_LE_8BITS(cmp->cm_ehello.eh_vers); |
| 278 | eco = EXTRACT_LE_8BITS(cmp->cm_ehello.eh_eco); |
| 279 | ueco = EXTRACT_LE_8BITS(cmp->cm_ehello.eh_ueco); |
| 280 | memcpy((char *)&srcea, (char *)&(cmp->cm_ehello.eh_src), |
| 281 | sizeof(srcea)); |
| 282 | src = EXTRACT_LE_16BITS(srcea.dne_remote.dne_nodeaddr); |
| 283 | info = EXTRACT_LE_8BITS(cmp->cm_ehello.eh_info); |
| 284 | blksize = EXTRACT_LE_16BITS(cmp->cm_ehello.eh_blksize); |
| 285 | /*seed*/ |
| 286 | memcpy((char *)&rtea, (char *)&(cmp->cm_ehello.eh_router), |
| 287 | sizeof(rtea)); |
| 288 | dst = EXTRACT_LE_16BITS(rtea.dne_remote.dne_nodeaddr); |
| 289 | hello = EXTRACT_LE_16BITS(cmp->cm_ehello.eh_hello); |
| 290 | other = EXTRACT_LE_8BITS(cmp->cm_ehello.eh_data); |
| 291 | print_i_info(info); |
| 292 | (void)printf( |
| 293 | "vers %d eco %d ueco %d src %s blksize %d rtr %s hello %d data %o", |
| 294 | vers, eco, ueco, dnaddr_string(src), |
| 295 | blksize, dnaddr_string(dst), hello, other); |
| 296 | ret = 1; |
| 297 | break; |
| 298 | |
| 299 | default: |
| 300 | (void)printf("unknown control message"); |
| 301 | default_print((u_char *)rhp, min(length, caplen)); |
| 302 | ret = 1; |
| 303 | break; |
| 304 | } |
| 305 | return (ret); |
| 306 | |
| 307 | trunc: |
| 308 | return (0); |
| 309 | } |
| 310 | |
| 311 | static void |
| 312 | print_t_info(int info) |
| 313 | { |
| 314 | int ntype = info & 3; |
| 315 | switch (ntype) { |
| 316 | case 0: (void)printf("reserved-ntype? "); break; |
| 317 | case TI_L2ROUT: (void)printf("l2rout "); break; |
| 318 | case TI_L1ROUT: (void)printf("l1rout "); break; |
| 319 | case TI_ENDNODE: (void)printf("endnode "); break; |
| 320 | } |
| 321 | if (info & TI_VERIF) |
| 322 | (void)printf("verif "); |
| 323 | if (info & TI_BLOCK) |
| 324 | (void)printf("blo "); |
| 325 | } |
| 326 | |
| 327 | static int |
| 328 | print_l1_routes(const char *rp, u_int len) |
| 329 | { |
| 330 | int count; |
| 331 | int id; |
| 332 | int info; |
| 333 | |
| 334 | /* The last short is a checksum */ |
| 335 | while (len > (3 * sizeof(short))) { |
| 336 | TCHECK2(*rp, 3 * sizeof(short)); |
| 337 | count = EXTRACT_LE_16BITS(rp); |
| 338 | if (count > 1024) |
| 339 | return (1); /* seems to be bogus from here on */ |
| 340 | rp += sizeof(short); |
| 341 | len -= sizeof(short); |
| 342 | id = EXTRACT_LE_16BITS(rp); |
| 343 | rp += sizeof(short); |
| 344 | len -= sizeof(short); |
| 345 | info = EXTRACT_LE_16BITS(rp); |
| 346 | rp += sizeof(short); |
| 347 | len -= sizeof(short); |
| 348 | (void)printf("{ids %d-%d cost %d hops %d} ", id, id + count, |
| 349 | RI_COST(info), RI_HOPS(info)); |
| 350 | } |
| 351 | return (1); |
| 352 | |
| 353 | trunc: |
| 354 | return (0); |
| 355 | } |
| 356 | |
| 357 | static int |
| 358 | print_l2_routes(const char *rp, u_int len) |
| 359 | { |
| 360 | int count; |
| 361 | int area; |
| 362 | int info; |
| 363 | |
| 364 | /* The last short is a checksum */ |
| 365 | while (len > (3 * sizeof(short))) { |
| 366 | TCHECK2(*rp, 3 * sizeof(short)); |
| 367 | count = EXTRACT_LE_16BITS(rp); |
| 368 | if (count > 1024) |
| 369 | return (1); /* seems to be bogus from here on */ |
| 370 | rp += sizeof(short); |
| 371 | len -= sizeof(short); |
| 372 | area = EXTRACT_LE_16BITS(rp); |
| 373 | rp += sizeof(short); |
| 374 | len -= sizeof(short); |
| 375 | info = EXTRACT_LE_16BITS(rp); |
| 376 | rp += sizeof(short); |
| 377 | len -= sizeof(short); |
| 378 | (void)printf("{areas %d-%d cost %d hops %d} ", area, area + count, |
| 379 | RI_COST(info), RI_HOPS(info)); |
| 380 | } |
| 381 | return (1); |
| 382 | |
| 383 | trunc: |
| 384 | return (0); |
| 385 | } |
| 386 | |
| 387 | static void |
| 388 | print_i_info(int info) |
| 389 | { |
| 390 | int ntype = info & II_TYPEMASK; |
| 391 | switch (ntype) { |
| 392 | case 0: (void)printf("reserved-ntype? "); break; |
| 393 | case II_L2ROUT: (void)printf("l2rout "); break; |
| 394 | case II_L1ROUT: (void)printf("l1rout "); break; |
| 395 | case II_ENDNODE: (void)printf("endnode "); break; |
| 396 | } |
| 397 | if (info & II_VERIF) |
| 398 | (void)printf("verif "); |
| 399 | if (info & II_NOMCAST) |
| 400 | (void)printf("nomcast "); |
| 401 | if (info & II_BLOCK) |
| 402 | (void)printf("blo "); |
| 403 | } |
| 404 | |
| 405 | static int |
| 406 | print_elist(const char *elp _U_, u_int len _U_) |
| 407 | { |
| 408 | /* Not enough examples available for me to debug this */ |
| 409 | return (1); |
| 410 | } |
| 411 | |
| 412 | static int |
| 413 | print_nsp(const u_char *nspp, u_int nsplen) |
| 414 | { |
| 415 | const struct nsphdr *nsphp = (struct nsphdr *)nspp; |
| 416 | int dst, src, flags; |
| 417 | |
| 418 | if (nsplen < sizeof(struct nsphdr)) |
| 419 | goto trunc; |
| 420 | TCHECK(*nsphp); |
| 421 | flags = EXTRACT_LE_8BITS(nsphp->nh_flags); |
| 422 | dst = EXTRACT_LE_16BITS(nsphp->nh_dst); |
| 423 | src = EXTRACT_LE_16BITS(nsphp->nh_src); |
| 424 | |
| 425 | switch (flags & NSP_TYPEMASK) { |
| 426 | case MFT_DATA: |
| 427 | switch (flags & NSP_SUBMASK) { |
| 428 | case MFS_BOM: |
| 429 | case MFS_MOM: |
| 430 | case MFS_EOM: |
| 431 | case MFS_BOM+MFS_EOM: |
| 432 | printf("data %d>%d ", src, dst); |
| 433 | { |
| 434 | struct seghdr *shp = (struct seghdr *)nspp; |
| 435 | int ack; |
| 436 | #ifdef PRINT_NSPDATA |
| 437 | u_char *dp; |
| 438 | #endif |
| 439 | u_int data_off = sizeof(struct minseghdr); |
| 440 | |
| 441 | if (nsplen < data_off) |
| 442 | goto trunc; |
| 443 | TCHECK(shp->sh_seq[0]); |
| 444 | ack = EXTRACT_LE_16BITS(shp->sh_seq[0]); |
| 445 | if (ack & SGQ_ACK) { /* acknum field */ |
| 446 | if ((ack & SGQ_NAK) == SGQ_NAK) |
| 447 | (void)printf("nak %d ", ack & SGQ_MASK); |
| 448 | else |
| 449 | (void)printf("ack %d ", ack & SGQ_MASK); |
| 450 | data_off += sizeof(short); |
| 451 | if (nsplen < data_off) |
| 452 | goto trunc; |
| 453 | TCHECK(shp->sh_seq[1]); |
| 454 | ack = EXTRACT_LE_16BITS(shp->sh_seq[1]); |
| 455 | if (ack & SGQ_OACK) { /* ackoth field */ |
| 456 | if ((ack & SGQ_ONAK) == SGQ_ONAK) |
| 457 | (void)printf("onak %d ", ack & SGQ_MASK); |
| 458 | else |
| 459 | (void)printf("oack %d ", ack & SGQ_MASK); |
| 460 | data_off += sizeof(short); |
| 461 | if (nsplen < data_off) |
| 462 | goto trunc; |
| 463 | TCHECK(shp->sh_seq[2]); |
| 464 | ack = EXTRACT_LE_16BITS(shp->sh_seq[2]); |
| 465 | } |
| 466 | } |
| 467 | (void)printf("seg %d ", ack & SGQ_MASK); |
| 468 | #ifdef PRINT_NSPDATA |
| 469 | if (nsplen > data_off) { |
| 470 | dp = &(nspp[data_off]); |
| 471 | TCHECK2(*dp, nsplen - data_off); |
| 472 | pdata(dp, nsplen - data_off); |
| 473 | } |
| 474 | #endif |
| 475 | } |
| 476 | break; |
| 477 | case MFS_ILS+MFS_INT: |
| 478 | printf("intr "); |
| 479 | { |
| 480 | struct seghdr *shp = (struct seghdr *)nspp; |
| 481 | int ack; |
| 482 | #ifdef PRINT_NSPDATA |
| 483 | u_char *dp; |
| 484 | #endif |
| 485 | u_int data_off = sizeof(struct minseghdr); |
| 486 | |
| 487 | if (nsplen < data_off) |
| 488 | goto trunc; |
| 489 | TCHECK(shp->sh_seq[0]); |
| 490 | ack = EXTRACT_LE_16BITS(shp->sh_seq[0]); |
| 491 | if (ack & SGQ_ACK) { /* acknum field */ |
| 492 | if ((ack & SGQ_NAK) == SGQ_NAK) |
| 493 | (void)printf("nak %d ", ack & SGQ_MASK); |
| 494 | else |
| 495 | (void)printf("ack %d ", ack & SGQ_MASK); |
| 496 | data_off += sizeof(short); |
| 497 | if (nsplen < data_off) |
| 498 | goto trunc; |
| 499 | TCHECK(shp->sh_seq[1]); |
| 500 | ack = EXTRACT_LE_16BITS(shp->sh_seq[1]); |
| 501 | if (ack & SGQ_OACK) { /* ackdat field */ |
| 502 | if ((ack & SGQ_ONAK) == SGQ_ONAK) |
| 503 | (void)printf("nakdat %d ", ack & SGQ_MASK); |
| 504 | else |
| 505 | (void)printf("ackdat %d ", ack & SGQ_MASK); |
| 506 | data_off += sizeof(short); |
| 507 | if (nsplen < data_off) |
| 508 | goto trunc; |
| 509 | TCHECK(shp->sh_seq[2]); |
| 510 | ack = EXTRACT_LE_16BITS(shp->sh_seq[2]); |
| 511 | } |
| 512 | } |
| 513 | (void)printf("seg %d ", ack & SGQ_MASK); |
| 514 | #ifdef PRINT_NSPDATA |
| 515 | if (nsplen > data_off) { |
| 516 | dp = &(nspp[data_off]); |
| 517 | TCHECK2(*dp, nsplen - data_off); |
| 518 | pdata(dp, nsplen - data_off); |
| 519 | } |
| 520 | #endif |
| 521 | } |
| 522 | break; |
| 523 | case MFS_ILS: |
| 524 | (void)printf("link-service %d>%d ", src, dst); |
| 525 | { |
| 526 | struct seghdr *shp = (struct seghdr *)nspp; |
| 527 | struct lsmsg *lsmp = |
| 528 | (struct lsmsg *)&(nspp[sizeof(struct seghdr)]); |
| 529 | int ack; |
| 530 | int lsflags, fcval; |
| 531 | |
| 532 | if (nsplen < sizeof(struct seghdr) + sizeof(struct lsmsg)) |
| 533 | goto trunc; |
| 534 | TCHECK(shp->sh_seq[0]); |
| 535 | ack = EXTRACT_LE_16BITS(shp->sh_seq[0]); |
| 536 | if (ack & SGQ_ACK) { /* acknum field */ |
| 537 | if ((ack & SGQ_NAK) == SGQ_NAK) |
| 538 | (void)printf("nak %d ", ack & SGQ_MASK); |
| 539 | else |
| 540 | (void)printf("ack %d ", ack & SGQ_MASK); |
| 541 | TCHECK(shp->sh_seq[1]); |
| 542 | ack = EXTRACT_LE_16BITS(shp->sh_seq[1]); |
| 543 | if (ack & SGQ_OACK) { /* ackdat field */ |
| 544 | if ((ack & SGQ_ONAK) == SGQ_ONAK) |
| 545 | (void)printf("nakdat %d ", ack & SGQ_MASK); |
| 546 | else |
| 547 | (void)printf("ackdat %d ", ack & SGQ_MASK); |
| 548 | TCHECK(shp->sh_seq[2]); |
| 549 | ack = EXTRACT_LE_16BITS(shp->sh_seq[2]); |
| 550 | } |
| 551 | } |
| 552 | (void)printf("seg %d ", ack & SGQ_MASK); |
| 553 | TCHECK(*lsmp); |
| 554 | lsflags = EXTRACT_LE_8BITS(lsmp->ls_lsflags); |
| 555 | fcval = EXTRACT_LE_8BITS(lsmp->ls_fcval); |
| 556 | switch (lsflags & LSI_MASK) { |
| 557 | case LSI_DATA: |
| 558 | (void)printf("dat seg count %d ", fcval); |
| 559 | switch (lsflags & LSM_MASK) { |
| 560 | case LSM_NOCHANGE: |
| 561 | break; |
| 562 | case LSM_DONOTSEND: |
| 563 | (void)printf("donotsend-data "); |
| 564 | break; |
| 565 | case LSM_SEND: |
| 566 | (void)printf("send-data "); |
| 567 | break; |
| 568 | default: |
| 569 | (void)printf("reserved-fcmod? %x", lsflags); |
| 570 | break; |
| 571 | } |
| 572 | break; |
| 573 | case LSI_INTR: |
| 574 | (void)printf("intr req count %d ", fcval); |
| 575 | break; |
| 576 | default: |
| 577 | (void)printf("reserved-fcval-int? %x", lsflags); |
| 578 | break; |
| 579 | } |
| 580 | } |
| 581 | break; |
| 582 | default: |
| 583 | (void)printf("reserved-subtype? %x %d > %d", flags, src, dst); |
| 584 | break; |
| 585 | } |
| 586 | break; |
| 587 | case MFT_ACK: |
| 588 | switch (flags & NSP_SUBMASK) { |
| 589 | case MFS_DACK: |
| 590 | (void)printf("data-ack %d>%d ", src, dst); |
| 591 | { |
| 592 | struct ackmsg *amp = (struct ackmsg *)nspp; |
| 593 | int ack; |
| 594 | |
| 595 | if (nsplen < sizeof(struct ackmsg)) |
| 596 | goto trunc; |
| 597 | TCHECK(*amp); |
| 598 | ack = EXTRACT_LE_16BITS(amp->ak_acknum[0]); |
| 599 | if (ack & SGQ_ACK) { /* acknum field */ |
| 600 | if ((ack & SGQ_NAK) == SGQ_NAK) |
| 601 | (void)printf("nak %d ", ack & SGQ_MASK); |
| 602 | else |
| 603 | (void)printf("ack %d ", ack & SGQ_MASK); |
| 604 | ack = EXTRACT_LE_16BITS(amp->ak_acknum[1]); |
| 605 | if (ack & SGQ_OACK) { /* ackoth field */ |
| 606 | if ((ack & SGQ_ONAK) == SGQ_ONAK) |
| 607 | (void)printf("onak %d ", ack & SGQ_MASK); |
| 608 | else |
| 609 | (void)printf("oack %d ", ack & SGQ_MASK); |
| 610 | } |
| 611 | } |
| 612 | } |
| 613 | break; |
| 614 | case MFS_IACK: |
| 615 | (void)printf("ils-ack %d>%d ", src, dst); |
| 616 | { |
| 617 | struct ackmsg *amp = (struct ackmsg *)nspp; |
| 618 | int ack; |
| 619 | |
| 620 | if (nsplen < sizeof(struct ackmsg)) |
| 621 | goto trunc; |
| 622 | TCHECK(*amp); |
| 623 | ack = EXTRACT_LE_16BITS(amp->ak_acknum[0]); |
| 624 | if (ack & SGQ_ACK) { /* acknum field */ |
| 625 | if ((ack & SGQ_NAK) == SGQ_NAK) |
| 626 | (void)printf("nak %d ", ack & SGQ_MASK); |
| 627 | else |
| 628 | (void)printf("ack %d ", ack & SGQ_MASK); |
| 629 | TCHECK(amp->ak_acknum[1]); |
| 630 | ack = EXTRACT_LE_16BITS(amp->ak_acknum[1]); |
| 631 | if (ack & SGQ_OACK) { /* ackdat field */ |
| 632 | if ((ack & SGQ_ONAK) == SGQ_ONAK) |
| 633 | (void)printf("nakdat %d ", ack & SGQ_MASK); |
| 634 | else |
| 635 | (void)printf("ackdat %d ", ack & SGQ_MASK); |
| 636 | } |
| 637 | } |
| 638 | } |
| 639 | break; |
| 640 | case MFS_CACK: |
| 641 | (void)printf("conn-ack %d", dst); |
| 642 | break; |
| 643 | default: |
| 644 | (void)printf("reserved-acktype? %x %d > %d", flags, src, dst); |
| 645 | break; |
| 646 | } |
| 647 | break; |
| 648 | case MFT_CTL: |
| 649 | switch (flags & NSP_SUBMASK) { |
| 650 | case MFS_CI: |
| 651 | case MFS_RCI: |
| 652 | if ((flags & NSP_SUBMASK) == MFS_CI) |
| 653 | (void)printf("conn-initiate "); |
| 654 | else |
| 655 | (void)printf("retrans-conn-initiate "); |
| 656 | (void)printf("%d>%d ", src, dst); |
| 657 | { |
| 658 | struct cimsg *cimp = (struct cimsg *)nspp; |
| 659 | int services, info, segsize; |
| 660 | #ifdef PRINT_NSPDATA |
| 661 | u_char *dp; |
| 662 | #endif |
| 663 | |
| 664 | if (nsplen < sizeof(struct cimsg)) |
| 665 | goto trunc; |
| 666 | TCHECK(*cimp); |
| 667 | services = EXTRACT_LE_8BITS(cimp->ci_services); |
| 668 | info = EXTRACT_LE_8BITS(cimp->ci_info); |
| 669 | segsize = EXTRACT_LE_16BITS(cimp->ci_segsize); |
| 670 | |
| 671 | switch (services & COS_MASK) { |
| 672 | case COS_NONE: |
| 673 | break; |
| 674 | case COS_SEGMENT: |
| 675 | (void)printf("seg "); |
| 676 | break; |
| 677 | case COS_MESSAGE: |
| 678 | (void)printf("msg "); |
| 679 | break; |
| 680 | case COS_CRYPTSER: |
| 681 | (void)printf("crypt "); |
| 682 | break; |
| 683 | } |
| 684 | switch (info & COI_MASK) { |
| 685 | case COI_32: |
| 686 | (void)printf("ver 3.2 "); |
| 687 | break; |
| 688 | case COI_31: |
| 689 | (void)printf("ver 3.1 "); |
| 690 | break; |
| 691 | case COI_40: |
| 692 | (void)printf("ver 4.0 "); |
| 693 | break; |
| 694 | case COI_41: |
| 695 | (void)printf("ver 4.1 "); |
| 696 | break; |
| 697 | } |
| 698 | (void)printf("segsize %d ", segsize); |
| 699 | #ifdef PRINT_NSPDATA |
| 700 | if (nsplen > sizeof(struct cimsg)) { |
| 701 | dp = &(nspp[sizeof(struct cimsg)]); |
| 702 | TCHECK2(*dp, nsplen - sizeof(struct cimsg)); |
| 703 | pdata(dp, nsplen - sizeof(struct cimsg)); |
| 704 | } |
| 705 | #endif |
| 706 | } |
| 707 | break; |
| 708 | case MFS_CC: |
| 709 | (void)printf("conn-confirm %d>%d ", src, dst); |
| 710 | { |
| 711 | struct ccmsg *ccmp = (struct ccmsg *)nspp; |
| 712 | int services, info; |
| 713 | u_int segsize, optlen; |
| 714 | #ifdef PRINT_NSPDATA |
| 715 | u_char *dp; |
| 716 | #endif |
| 717 | |
| 718 | if (nsplen < sizeof(struct ccmsg)) |
| 719 | goto trunc; |
| 720 | TCHECK(*ccmp); |
| 721 | services = EXTRACT_LE_8BITS(ccmp->cc_services); |
| 722 | info = EXTRACT_LE_8BITS(ccmp->cc_info); |
| 723 | segsize = EXTRACT_LE_16BITS(ccmp->cc_segsize); |
| 724 | optlen = EXTRACT_LE_8BITS(ccmp->cc_optlen); |
| 725 | |
| 726 | switch (services & COS_MASK) { |
| 727 | case COS_NONE: |
| 728 | break; |
| 729 | case COS_SEGMENT: |
| 730 | (void)printf("seg "); |
| 731 | break; |
| 732 | case COS_MESSAGE: |
| 733 | (void)printf("msg "); |
| 734 | break; |
| 735 | case COS_CRYPTSER: |
| 736 | (void)printf("crypt "); |
| 737 | break; |
| 738 | } |
| 739 | switch (info & COI_MASK) { |
| 740 | case COI_32: |
| 741 | (void)printf("ver 3.2 "); |
| 742 | break; |
| 743 | case COI_31: |
| 744 | (void)printf("ver 3.1 "); |
| 745 | break; |
| 746 | case COI_40: |
| 747 | (void)printf("ver 4.0 "); |
| 748 | break; |
| 749 | case COI_41: |
| 750 | (void)printf("ver 4.1 "); |
| 751 | break; |
| 752 | } |
| 753 | (void)printf("segsize %d ", segsize); |
| 754 | if (optlen) { |
| 755 | (void)printf("optlen %d ", optlen); |
| 756 | #ifdef PRINT_NSPDATA |
| 757 | if (optlen > nsplen - sizeof(struct ccmsg)) |
| 758 | goto trunc; |
| 759 | dp = &(nspp[sizeof(struct ccmsg)]); |
| 760 | TCHECK2(*dp, optlen); |
| 761 | pdata(dp, optlen); |
| 762 | #endif |
| 763 | } |
| 764 | } |
| 765 | break; |
| 766 | case MFS_DI: |
| 767 | (void)printf("disconn-initiate %d>%d ", src, dst); |
| 768 | { |
| 769 | struct dimsg *dimp = (struct dimsg *)nspp; |
| 770 | int reason; |
| 771 | u_int optlen; |
| 772 | #ifdef PRINT_NSPDATA |
| 773 | u_char *dp; |
| 774 | #endif |
| 775 | |
| 776 | if (nsplen < sizeof(struct dimsg)) |
| 777 | goto trunc; |
| 778 | TCHECK(*dimp); |
| 779 | reason = EXTRACT_LE_16BITS(dimp->di_reason); |
| 780 | optlen = EXTRACT_LE_8BITS(dimp->di_optlen); |
| 781 | |
| 782 | print_reason(reason); |
| 783 | if (optlen) { |
| 784 | (void)printf("optlen %d ", optlen); |
| 785 | #ifdef PRINT_NSPDATA |
| 786 | if (optlen > nsplen - sizeof(struct dimsg)) |
| 787 | goto trunc; |
| 788 | dp = &(nspp[sizeof(struct dimsg)]); |
| 789 | TCHECK2(*dp, optlen); |
| 790 | pdata(dp, optlen); |
| 791 | #endif |
| 792 | } |
| 793 | } |
| 794 | break; |
| 795 | case MFS_DC: |
| 796 | (void)printf("disconn-confirm %d>%d ", src, dst); |
| 797 | { |
| 798 | struct dcmsg *dcmp = (struct dcmsg *)nspp; |
| 799 | int reason; |
| 800 | |
| 801 | TCHECK(*dcmp); |
| 802 | reason = EXTRACT_LE_16BITS(dcmp->dc_reason); |
| 803 | |
| 804 | print_reason(reason); |
| 805 | } |
| 806 | break; |
| 807 | default: |
| 808 | (void)printf("reserved-ctltype? %x %d > %d", flags, src, dst); |
| 809 | break; |
| 810 | } |
| 811 | break; |
| 812 | default: |
| 813 | (void)printf("reserved-type? %x %d > %d", flags, src, dst); |
| 814 | break; |
| 815 | } |
| 816 | return (1); |
| 817 | |
| 818 | trunc: |
| 819 | return (0); |
| 820 | } |
| 821 | |
| 822 | static struct tok reason2str[] = { |
| 823 | { UC_OBJREJECT, "object rejected connect" }, |
| 824 | { UC_RESOURCES, "insufficient resources" }, |
| 825 | { UC_NOSUCHNODE, "unrecognized node name" }, |
| 826 | { DI_SHUT, "node is shutting down" }, |
| 827 | { UC_NOSUCHOBJ, "unrecognized object" }, |
| 828 | { UC_INVOBJFORMAT, "invalid object name format" }, |
| 829 | { UC_OBJTOOBUSY, "object too busy" }, |
| 830 | { DI_PROTOCOL, "protocol error discovered" }, |
| 831 | { DI_TPA, "third party abort" }, |
| 832 | { UC_USERABORT, "user abort" }, |
| 833 | { UC_INVNODEFORMAT, "invalid node name format" }, |
| 834 | { UC_LOCALSHUT, "local node shutting down" }, |
| 835 | { DI_LOCALRESRC, "insufficient local resources" }, |
| 836 | { DI_REMUSERRESRC, "insufficient remote user resources" }, |
| 837 | { UC_ACCESSREJECT, "invalid access control information" }, |
| 838 | { DI_BADACCNT, "bad ACCOUNT information" }, |
| 839 | { UC_NORESPONSE, "no response from object" }, |
| 840 | { UC_UNREACHABLE, "node unreachable" }, |
| 841 | { DC_NOLINK, "no link terminate" }, |
| 842 | { DC_COMPLETE, "disconnect complete" }, |
| 843 | { DI_BADIMAGE, "bad image data in connect" }, |
| 844 | { DI_SERVMISMATCH, "cryptographic service mismatch" }, |
| 845 | { 0, NULL } |
| 846 | }; |
| 847 | |
| 848 | static void |
| 849 | print_reason(register int reason) |
| 850 | { |
| 851 | printf("%s ", tok2str(reason2str, "reason-%d", reason)); |
| 852 | } |
| 853 | |
| 854 | const char * |
| 855 | dnnum_string(u_short dnaddr) |
| 856 | { |
| 857 | char *str; |
| 858 | size_t siz; |
| 859 | int area = (u_short)(dnaddr & AREAMASK) >> AREASHIFT; |
| 860 | int node = dnaddr & NODEMASK; |
| 861 | |
| 862 | str = (char *)malloc(siz = sizeof("00.0000")); |
| 863 | if (str == NULL) |
| 864 | error("dnnum_string: malloc"); |
| 865 | snprintf(str, siz, "%d.%d", area, node); |
| 866 | return(str); |
| 867 | } |
| 868 | |
| 869 | const char * |
| 870 | dnname_string(u_short dnaddr) |
| 871 | { |
| 872 | #ifdef HAVE_DNET_HTOA |
| 873 | struct dn_naddr dna; |
| 874 | |
| 875 | dna.a_len = sizeof(short); |
| 876 | memcpy((char *)dna.a_addr, (char *)&dnaddr, sizeof(short)); |
| 877 | return (strdup(dnet_htoa(&dna))); |
| 878 | #else |
| 879 | return(dnnum_string(dnaddr)); /* punt */ |
| 880 | #endif |
| 881 | } |
| 882 | |
| 883 | #ifdef PRINT_NSPDATA |
| 884 | static void |
| 885 | pdata(u_char *dp, u_int maxlen) |
| 886 | { |
| 887 | char c; |
| 888 | u_int x = maxlen; |
| 889 | |
| 890 | while (x-- > 0) { |
| 891 | c = *dp++; |
| 892 | safeputchar(c); |
| 893 | } |
| 894 | } |
| 895 | #endif |