contrib/tcpdump/print-forces.c

   1 /*
   2  * Redistribution and use in source and binary forms, with or without
   3  * modification, are permitted provided that: (1) source code
   4  * distributions retain the above copyright notice and this paragraph
   5  * in its entirety, and (2) distributions including binary code include
   6  * the above copyright notice and this paragraph in its entirety in
   7  * the documentation or other materials provided with the distribution.
   8  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
   9  * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
  10  * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  11  * FOR A PARTICULAR PURPOSE.
  12  *
  13  * Copyright (c) 2009 Mojatatu Networks, Inc
  14  *
  15  */
  16
  17 #ifdef HAVE_CONFIG_H
  18 #include "config.h"
  19 #endif
  20
  21 #include <tcpdump-stdinc.h>
  22
  23 #include <stdio.h>
  24 #include <stdlib.h>
  25
  26 #include "interface.h"
  27 #include "extract.h"
  28
  29 #include "forces.h"
  30
  31 #define RESLEN  4
  32
  33 int
  34 prestlv_print(register const u_char * pptr, register u_int len,
  35               u_int16_t op_msk _U_, int indent)
  36 {
  37         const struct forces_tlv *tlv = (struct forces_tlv *)pptr;
  38         register const u_char *tdp = (u_char *) TLV_DATA(tlv);
  39         struct res_val *r = (struct res_val *)tdp;
  40         u_int dlen;
  41
  42         /*
  43          * pdatacnt_print() has ensured that len (the TLV length)
  44          * >= TLV_HDRL.
  45          */
  46         dlen = len - TLV_HDRL;
  47         if (dlen != RESLEN) {
  48                 printf("illegal RESULT-TLV: %d bytes!\n", dlen);
  49                 return -1;
  50         }
  51
  52         TCHECK(*r);
  53         if (r->result >= 0x18 && r->result <= 0xFE) {
  54                 printf("illegal reserved result code: 0x%x!\n", r->result);
  55                 return -1;
  56         }
  57
  58         if (vflag >= 3) {
  59                 char *ib = indent_pr(indent, 0);
  60                 printf("%s  Result: %s (code 0x%x)\n", ib,
  61                        tok2str(ForCES_errs, NULL, r->result), r->result);
  62         }
  63         return 0;
  64
  65 trunc:
  66         fputs("[|forces]", stdout);
  67         return -1;
  68 }
  69
  70 int
  71 fdatatlv_print(register const u_char * pptr, register u_int len,
  72                u_int16_t op_msk _U_, int indent)
  73 {
  74         const struct forces_tlv *tlv = (struct forces_tlv *)pptr;
  75         u_int rlen;
  76         register const u_char *tdp = (u_char *) TLV_DATA(tlv);
  77         u_int16_t type;
  78
  79         /*
  80          * pdatacnt_print() or pkeyitlv_print() has ensured that len
  81          * (the TLV length) >= TLV_HDRL.
  82          */
  83         rlen = len - TLV_HDRL;
  84         TCHECK(*tlv);
  85         type = EXTRACT_16BITS(&tlv->type);
  86         if (type != F_TLV_FULD) {
  87                 printf("Error: expecting FULLDATA!\n");
  88                 return -1;
  89         }
  90
  91         if (vflag >= 3) {
  92                 char *ib = indent_pr(indent + 2, 1);
  93                 printf("%s[", &ib[1]);
  94                 hex_print_with_offset(ib, tdp, rlen, 0);
  95                 printf("\n%s]\n", &ib[1]);
  96         }
  97         return 0;
  98
  99 trunc:
 100         fputs("[|forces]", stdout);
 101         return -1;
 102 }
 103
 104 int
 105 sdatailv_print(register const u_char * pptr, register u_int len,
 106                u_int16_t op_msk _U_, int indent)
 107 {
 108         u_int rlen;
 109         const struct forces_ilv *ilv = (struct forces_ilv *)pptr;
 110         int invilv;
 111
 112         if (len < ILV_HDRL) {
 113                 printf("Error: BAD SPARSEDATA-TLV!\n");
 114                 return -1;
 115         }
 116         rlen = len;
 117         indent += 1;
 118         while (rlen != 0) {
 119                 char *ib = indent_pr(indent, 1);
 120                 register const u_char *tdp = (u_char *) ILV_DATA(ilv);
 121                 TCHECK(*ilv);
 122                 invilv = ilv_valid(ilv, rlen);
 123                 if (invilv) {
 124                         printf("%s[", &ib[1]);
 125                         hex_print_with_offset(ib, tdp, rlen, 0);
 126                         printf("\n%s]\n", &ib[1]);
 127                         return -1;
 128                 }
 129                 if (vflag >= 3) {
 130                         int ilvl = EXTRACT_32BITS(&ilv->length);
 131                         printf("\n%s ILV: type %x length %d\n", &ib[1],
 132                                EXTRACT_32BITS(&ilv->type), ilvl);
 133                         hex_print_with_offset("\t\t[", tdp, ilvl-ILV_HDRL, 0);
 134                 }
 135
 136                 ilv = GO_NXT_ILV(ilv, rlen);
 137         }
 138
 139         return 0;
 140
 141 trunc:
 142         fputs("[|forces]", stdout);
 143         return -1;
 144 }
 145
 146 int
 147 sdatatlv_print(register const u_char * pptr, register u_int len,
 148                u_int16_t op_msk, int indent)
 149 {
 150         const struct forces_tlv *tlv = (struct forces_tlv *)pptr;
 151         u_int rlen;
 152         register const u_char *tdp = (u_char *) TLV_DATA(tlv);
 153         u_int16_t type;
 154
 155         /*
 156          * pdatacnt_print() has ensured that len (the TLV length)
 157          * >= TLV_HDRL.
 158          */
 159         rlen = len - TLV_HDRL;
 160         TCHECK(*tlv);
 161         type = EXTRACT_16BITS(&tlv->type);
 162         if (type != F_TLV_SPAD) {
 163                 printf("Error: expecting SPARSEDATA!\n");
 164                 return -1;
 165         }
 166
 167         return sdatailv_print(tdp, rlen, op_msk, indent);
 168
 169 trunc:
 170         fputs("[|forces]", stdout);
 171         return -1;
 172 }
 173
 174 int
 175 pkeyitlv_print(register const u_char * pptr, register u_int len,
 176                u_int16_t op_msk, int indent)
 177 {
 178         const struct forces_tlv *tlv = (struct forces_tlv *)pptr;
 179         register const u_char *tdp = (u_char *) TLV_DATA(tlv);
 180         register const u_char *dp = tdp + 4;
 181         const struct forces_tlv *kdtlv = (struct forces_tlv *)dp;
 182         u_int32_t id;
 183         char *ib = indent_pr(indent, 0);
 184         u_int16_t type, tll;
 185         int invtlv;
 186
 187         TCHECK(*tdp);
 188         id = EXTRACT_32BITS(tdp);
 189         printf("%sKeyinfo: Key 0x%x\n", ib, id);
 190         TCHECK(*kdtlv);
 191         type = EXTRACT_16BITS(&kdtlv->type);
 192         invtlv = tlv_valid(kdtlv, len);
 193
 194         if (invtlv) {
 195                 printf("%s TLV type 0x%x len %d\n",
 196                        tok2str(ForCES_TLV_err, NULL, invtlv), type,
 197                        EXTRACT_16BITS(&kdtlv->length));
 198                 return -1;
 199         }
 200         /*
 201          * At this point, tlv_valid() has ensured that the TLV
 202          * length is large enough but not too large (it doesn't
 203          * go past the end of the containing TLV).
 204          */
 205         tll = EXTRACT_16BITS(&kdtlv->length);
 206         dp = (u_char *) TLV_DATA(kdtlv);
 207         return fdatatlv_print(dp, tll, op_msk, indent);
 208
 209 trunc:
 210         fputs("[|forces]", stdout);
 211         return -1;
 212 }
 213
 214 int
 215 pdatacnt_print(register const u_char * pptr, register u_int len,
 216                u_int16_t IDcnt, u_int16_t op_msk, int indent)
 217 {
 218         u_int i;
 219         u_int32_t id;
 220         char *ib = indent_pr(indent, 0);
 221
 222         for (i = 0; i < IDcnt; i++) {
 223                 TCHECK2(*pptr, 4);
 224                 if (len < 4)
 225                         goto trunc;
 226                 id = EXTRACT_32BITS(pptr);
 227                 if (vflag >= 3)
 228                         printf("%s  ID#%02u: %d\n", ib, i + 1, id);
 229                 len -= 4;
 230                 pptr += 4;
 231         }
 232         if (len) {
 233                 const struct forces_tlv *pdtlv = (struct forces_tlv *)pptr;
 234                 u_int16_t type;
 235                 u_int16_t tll;
 236                 int pad = 0;
 237                 u_int aln;
 238                 int invtlv;
 239
 240                 TCHECK(*pdtlv);
 241                 type = EXTRACT_16BITS(&pdtlv->type);
 242                 invtlv = tlv_valid(pdtlv, len);
 243                 if (invtlv) {
 244                         printf
 245                             ("%s Outstanding bytes %d for TLV type 0x%x TLV len %d\n",
 246                              tok2str(ForCES_TLV_err, NULL, invtlv), len, type,
 247                              EXTRACT_16BITS(&pdtlv->length));
 248                         goto pd_err;
 249                 }
 250                 /*
 251                  * At this point, tlv_valid() has ensured that the TLV
 252                  * length is large enough but not too large (it doesn't
 253                  * go past the end of the containing TLV).
 254                  */
 255                 tll = EXTRACT_16BITS(&pdtlv->length) - TLV_HDRL;
 256                 aln = F_ALN_LEN(EXTRACT_16BITS(&pdtlv->length));
 257                 if (aln > EXTRACT_16BITS(&pdtlv->length)) {
 258                         if (aln > len) {
 259                                 printf
 260                                     ("Invalid padded pathdata TLV type 0x%x len %d missing %d pad bytes\n",
 261                                      type, EXTRACT_16BITS(&pdtlv->length), aln - len);
 262                         } else {
 263                                 pad = aln - EXTRACT_16BITS(&pdtlv->length);
 264                         }
 265                 }
 266                 if (pd_valid(type)) {
 267                         const struct pdata_ops *ops = get_forces_pd(type);
 268
 269                         if (vflag >= 3 && ops->v != F_TLV_PDAT) {
 270                                 if (pad)
 271                                         printf
 272                                             ("%s  %s (Length %d DataLen %d pad %d Bytes)\n",
 273                                              ib, ops->s, EXTRACT_16BITS(&pdtlv->length),
 274                                              tll, pad);
 275                                 else
 276                                         printf
 277                                             ("%s  %s (Length %d DataLen %d Bytes)\n",
 278                                              ib, ops->s, EXTRACT_16BITS(&pdtlv->length),
 279                                              tll);
 280                         }
 281
 282                         chk_op_type(type, op_msk, ops->op_msk);
 283
 284                         if (ops->print((const u_char *)pdtlv,
 285                                         tll + pad + TLV_HDRL, op_msk,
 286                                         indent + 2) == -1)
 287                                 return -1;
 288                         len -= (TLV_HDRL + pad + tll);
 289                 } else {
 290                         printf("Invalid path data content type 0x%x len %d\n",
 291                                type, EXTRACT_16BITS(&pdtlv->length));
 292 pd_err:
 293                         if (EXTRACT_16BITS(&pdtlv->length)) {
 294                                 hex_print_with_offset("Bad Data val\n\t  [",
 295                                                       pptr, len, 0);
 296                                 printf("]\n");
 297
 298                                 return -1;
 299                         }
 300                 }
 301         }
 302         return len;
 303
 304 trunc:
 305         fputs("[|forces]", stdout);
 306         return -1;
 307 }
 308
 309 int
 310 pdata_print(register const u_char * pptr, register u_int len,
 311             u_int16_t op_msk, int indent)
 312 {
 313         const struct pathdata_h *pdh = (struct pathdata_h *)pptr;
 314         char *ib = indent_pr(indent, 0);
 315         u_int minsize = 0;
 316         int more_pd = 0;
 317         u_int16_t idcnt = 0;
 318
 319         TCHECK(*pdh);
 320         if (len < sizeof(struct pathdata_h))
 321                 goto trunc;
 322         if (vflag >= 3) {
 323                 printf("\n%sPathdata: Flags 0x%x ID count %d\n",
 324                        ib, EXTRACT_16BITS(&pdh->pflags), EXTRACT_16BITS(&pdh->pIDcnt));
 325         }
 326
 327         if (EXTRACT_16BITS(&pdh->pflags) & F_SELKEY) {
 328                 op_msk |= B_KEYIN;
 329         }
 330         pptr += sizeof(struct pathdata_h);
 331         len -= sizeof(struct pathdata_h);
 332         idcnt = EXTRACT_16BITS(&pdh->pIDcnt);
 333         minsize = idcnt * 4;
 334         if (len < minsize) {
 335                 printf("\t\t\ttruncated IDs expected %uB got %uB\n", minsize,
 336                        len);
 337                 hex_print_with_offset("\t\t\tID Data[", pptr, len, 0);
 338                 printf("]\n");
 339                 return -1;
 340         }
 341         more_pd = pdatacnt_print(pptr, len, idcnt, op_msk, indent);
 342         if (more_pd > 0) {
 343                 int consumed = len - more_pd;
 344                 pptr += consumed;
 345                 len = more_pd;
 346                 /* XXX: Argh, recurse some more */
 347                 return recpdoptlv_print(pptr, len, op_msk, indent+1);
 348         } else
 349                 return 0;
 350
 351 trunc:
 352         fputs("[|forces]", stdout);
 353         return -1;
 354 }
 355
 356 int
 357 genoptlv_print(register const u_char * pptr, register u_int len,
 358                u_int16_t op_msk, int indent)
 359 {
 360         const struct forces_tlv *pdtlv = (struct forces_tlv *)pptr;
 361         u_int16_t type;
 362         int tll;
 363         int invtlv;
 364         char *ib = indent_pr(indent, 0);
 365
 366         TCHECK(*pdtlv);
 367         type = EXTRACT_16BITS(&pdtlv->type);
 368         tll = EXTRACT_16BITS(&pdtlv->length) - TLV_HDRL;
 369         invtlv = tlv_valid(pdtlv, len);
 370         printf("genoptlvprint - %s TLV type 0x%x len %d\n",
 371                tok2str(ForCES_TLV, NULL, type), type, EXTRACT_16BITS(&pdtlv->length));
 372         if (!invtlv) {
 373                 /*
 374                  * At this point, tlv_valid() has ensured that the TLV
 375                  * length is large enough but not too large (it doesn't
 376                  * go past the end of the containing TLV).
 377                  */
 378                 register const u_char *dp = (u_char *) TLV_DATA(pdtlv);
 379                 if (!ttlv_valid(type)) {
 380                         printf("%s TLV type 0x%x len %d\n",
 381                                tok2str(ForCES_TLV_err, NULL, invtlv), type,
 382                                EXTRACT_16BITS(&pdtlv->length));
 383                         return -1;
 384                 }
 385                 if (vflag >= 3)
 386                         printf("%s%s, length %d (data length %d Bytes)",
 387                                ib, tok2str(ForCES_TLV, NULL, type),
 388                                EXTRACT_16BITS(&pdtlv->length), tll);
 389
 390                 return pdata_print(dp, tll, op_msk, indent + 1);
 391         } else {
 392                 printf("\t\t\tInvalid ForCES TLV type=%x", type);
 393                 return -1;
 394         }
 395
 396 trunc:
 397         fputs("[|forces]", stdout);
 398         return -1;
 399 }
 400
 401 int
 402 recpdoptlv_print(register const u_char * pptr, register u_int len,
 403                  u_int16_t op_msk, int indent)
 404 {
 405         const struct forces_tlv *pdtlv = (struct forces_tlv *)pptr;
 406         int tll;
 407         int invtlv;
 408         u_int16_t type;
 409         register const u_char *dp;
 410         char *ib;
 411
 412         while (len != 0) {
 413                 TCHECK(*pdtlv);
 414                 invtlv = tlv_valid(pdtlv, len);
 415                 if (invtlv) {
 416                         break;
 417                 }
 418
 419                 /*
 420                  * At this point, tlv_valid() has ensured that the TLV
 421                  * length is large enough but not too large (it doesn't
 422                  * go past the end of the containing TLV).
 423                  */
 424                 ib = indent_pr(indent, 0);
 425                 type = EXTRACT_16BITS(&pdtlv->type);
 426                 dp = (u_char *) TLV_DATA(pdtlv);
 427                 tll = EXTRACT_16BITS(&pdtlv->length) - TLV_HDRL;
 428
 429                 if (vflag >= 3)
 430                         printf
 431                             ("%s%s, length %d (data encapsulated %d Bytes)",
 432                              ib, tok2str(ForCES_TLV, NULL, type),
 433                              EXTRACT_16BITS(&pdtlv->length),
 434                              EXTRACT_16BITS(&pdtlv->length) - TLV_HDRL);
 435
 436                 if (pdata_print(dp, tll, op_msk, indent + 1) == -1)
 437                         return -1;
 438                 pdtlv = GO_NXT_TLV(pdtlv, len);
 439         }
 440
 441         if (len) {
 442                 printf
 443                     ("\n\t\tMessy PATHDATA TLV header, type (0x%x)\n\t\texcess of %d Bytes ",
 444                      EXTRACT_16BITS(&pdtlv->type), len - EXTRACT_16BITS(&pdtlv->length));
 445                 return -1;
 446         }
 447
 448         return 0;
 449
 450 trunc:
 451         fputs("[|forces]", stdout);
 452         return -1;
 453 }
 454
 455 int
 456 invoptlv_print(register const u_char * pptr, register u_int len,
 457                u_int16_t op_msk _U_, int indent)
 458 {
 459         char *ib = indent_pr(indent, 1);
 460
 461         if (vflag >= 3) {
 462                 printf("%sData[", &ib[1]);
 463                 hex_print_with_offset(ib, pptr, len, 0);
 464                 printf("%s]\n", ib);
 465         }
 466         return -1;
 467 }
 468
 469 int otlv_print(const struct forces_tlv *otlv, u_int16_t op_msk _U_, int indent)
 470 {
 471         int rc = 0;
 472         register const u_char *dp = (u_char *) TLV_DATA(otlv);
 473         u_int16_t type;
 474         int tll;
 475         char *ib = indent_pr(indent, 0);
 476         const struct optlv_h *ops;
 477
 478         /*
 479          * lfbselect_print() has ensured that EXTRACT_16BITS(&otlv->length)
 480          * >= TLV_HDRL.
 481          */
 482         TCHECK(*otlv);
 483         type = EXTRACT_16BITS(&otlv->type);
 484         tll = EXTRACT_16BITS(&otlv->length) - TLV_HDRL;
 485         ops = get_forces_optlv_h(type);
 486         if (vflag >= 3) {
 487                 printf("%sOper TLV %s(0x%x) length %d\n", ib, ops->s, type,
 488                        EXTRACT_16BITS(&otlv->length));
 489         }
 490         /* empty TLVs like COMMIT and TRCOMMIT are empty, we stop here .. */
 491         if (!ops->flags & ZERO_TTLV) {
 492                 if (tll != 0)   /* instead of "if (tll)" - for readability .. */
 493                         printf("%s: Illegal - MUST be empty\n", ops->s);
 494                 return rc;
 495         }
 496         /* rest of ops must at least have 12B {pathinfo} */
 497         if (tll < OP_MIN_SIZ) {
 498                 printf("\t\tOper TLV %s(0x%x) length %d\n", ops->s, type,
 499                        EXTRACT_16BITS(&otlv->length));
 500                 printf("\t\tTruncated data size %d minimum required %d\n", tll,
 501                        OP_MIN_SIZ);
 502                 return invoptlv_print(dp, tll, ops->op_msk, indent);
 503
 504         }
 505
 506         rc = ops->print(dp, tll, ops->op_msk, indent + 1);
 507         return rc;
 508
 509 trunc:
 510         fputs("[|forces]", stdout);
 511         return -1;
 512 }
 513
 514 #define ASTDLN  4
 515 #define ASTMCD  255
 516 int
 517 asttlv_print(register const u_char * pptr, register u_int len,
 518              u_int16_t op_msk _U_, int indent)
 519 {
 520         u_int32_t rescode;
 521         u_int dlen;
 522         char *ib = indent_pr(indent, 0);
 523
 524         /*
 525          * forces_type_print() has ensured that len (the TLV length)
 526          * >= TLV_HDRL.
 527          */
 528         dlen = len - TLV_HDRL;
 529         if (dlen != ASTDLN) {
 530                 printf("illegal ASTresult-TLV: %d bytes!\n", dlen);
 531                 return -1;
 532         }
 533         TCHECK2(*pptr, 4);
 534         rescode = EXTRACT_32BITS(pptr);
 535         if (rescode > ASTMCD) {
 536                 printf("illegal ASTresult result code: %d!\n", rescode);
 537                 return -1;
 538         }
 539
 540         if (vflag >= 3) {
 541                 printf("Teardown reason:\n%s", ib);
 542                 switch (rescode) {
 543                 case 0:
 544                         printf("Normal Teardown");
 545                         break;
 546                 case 1:
 547                         printf("Loss of Heartbeats");
 548                         break;
 549                 case 2:
 550                         printf("Out of bandwidth");
 551                         break;
 552                 case 3:
 553                         printf("Out of Memory");
 554                         break;
 555                 case 4:
 556                         printf("Application Crash");
 557                         break;
 558                 default:
 559                         printf("Unknown Teardown reason");
 560                         break;
 561                 }
 562                 printf("(%x)\n%s", rescode, ib);
 563         }
 564         return 0;
 565
 566 trunc:
 567         fputs("[|forces]", stdout);
 568         return -1;
 569 }
 570
 571 #define ASRDLN  4
 572 #define ASRMCD  3
 573 int
 574 asrtlv_print(register const u_char * pptr, register u_int len,
 575              u_int16_t op_msk _U_, int indent)
 576 {
 577         u_int32_t rescode;
 578         u_int dlen;
 579         char *ib = indent_pr(indent, 0);
 580
 581         /*
 582          * forces_type_print() has ensured that len (the TLV length)
 583          * >= TLV_HDRL.
 584          */
 585         dlen = len - TLV_HDRL;
 586         if (dlen != ASRDLN) {   /* id, instance, oper tlv */
 587                 printf("illegal ASRresult-TLV: %d bytes!\n", dlen);
 588                 return -1;
 589         }
 590         TCHECK2(*pptr, 4);
 591         rescode = EXTRACT_32BITS(pptr);
 592
 593         if (rescode > ASRMCD) {
 594                 printf("illegal ASRresult result code: %d!\n", rescode);
 595                 return -1;
 596         }
 597
 598         if (vflag >= 3) {
 599                 printf("\n%s", ib);
 600                 switch (rescode) {
 601                 case 0:
 602                         printf("Success ");
 603                         break;
 604                 case 1:
 605                         printf("FE ID invalid ");
 606                         break;
 607                 case 2:
 608                         printf("permission denied ");
 609                         break;
 610                 default:
 611                         printf("Unknown ");
 612                         break;
 613                 }
 614                 printf("(%x)\n%s", rescode, ib);
 615         }
 616         return 0;
 617
 618 trunc:
 619         fputs("[|forces]", stdout);
 620         return -1;
 621 }
 622
 623 /*
 624  * XXX - not used.
 625  */
 626 int
 627 gentltlv_print(register const u_char * pptr _U_, register u_int len,
 628                u_int16_t op_msk _U_, int indent _U_)
 629 {
 630         u_int dlen = len - TLV_HDRL;
 631
 632         if (dlen < 4) {         /* at least 32 bits must exist */
 633                 printf("truncated TLV: %d bytes missing! ", 4 - dlen);
 634                 return -1;
 635         }
 636         return 0;
 637 }
 638
 639 #define RD_MIN 8
 640 int
 641 print_metailv(register const u_char * pptr, register u_int len,
 642               u_int16_t op_msk _U_, int indent)
 643 {
 644         u_int dlen;
 645         u_int rlen;
 646         char *ib = indent_pr(indent, 0);
 647         /* XXX: check header length */
 648         const struct forces_ilv *ilv = (struct forces_ilv *)pptr;
 649
 650         /*
 651          * print_metatlv() has ensured that len (what remains in the
 652          * ILV) >= ILV_HDRL.
 653          */
 654         dlen = len - ILV_HDRL;
 655         rlen = dlen;
 656         TCHECK(*ilv);
 657         printf("\n%sMetaID 0x%x length %d\n", ib, EXTRACT_32BITS(&ilv->type),
 658                EXTRACT_32BITS(&ilv->length));
 659         hex_print_with_offset("\n\t\t\t\t[", ILV_DATA(ilv), rlen, 0);
 660         return 0;
 661
 662 trunc:
 663         fputs("[|forces]", stdout);
 664         return -1;
 665 }
 666
 667 int
 668 print_metatlv(register const u_char * pptr, register u_int len,
 669               u_int16_t op_msk _U_, int indent)
 670 {
 671         u_int dlen;
 672         char *ib = indent_pr(indent, 0);
 673         u_int rlen;
 674         const struct forces_ilv *ilv = (struct forces_ilv *)pptr;
 675         int invilv;
 676
 677         /*
 678          * redirect_print() has ensured that len (what remains in the
 679          * TLV) >= TLV_HDRL.
 680          */
 681         dlen = len - TLV_HDRL;
 682         rlen = dlen;
 683         printf("\n%s METADATA\n", ib);
 684         while (rlen != 0) {
 685                 TCHECK(*ilv);
 686                 invilv = ilv_valid(ilv, rlen);
 687                 if (invilv)
 688                         break;
 689
 690                 /*
 691                  * At this point, ilv_valid() has ensured that the ILV
 692                  * length is large enough but not too large (it doesn't
 693                  * go past the end of the containing TLV).
 694                  */
 695                 print_metailv((u_char *) ilv, rlen, 0, indent + 1);
 696
 697                 ilv = GO_NXT_ILV(ilv, rlen);
 698         }
 699
 700         return 0;
 701
 702 trunc:
 703         fputs("[|forces]", stdout);
 704         return -1;
 705 }
 706
 707 /*
 708 */
 709 int
 710 print_reddata(register const u_char * pptr, register u_int len,
 711               u_int16_t op_msk _U_, int indent _U_)
 712 {
 713         u_int dlen;
 714         u_int rlen;
 715         int invtlv;
 716         const struct forces_tlv *tlv = (struct forces_tlv *)pptr;
 717
 718         /*
 719          * redirect_print() has ensured that len (what remains in the
 720          * TLV) >= TLV_HDRL.
 721          */
 722         dlen = len - TLV_HDRL;
 723         printf("\n\t\t Redirect DATA\n");
 724         if (dlen <= RD_MIN) {
 725                 printf("\n\t\ttruncated Redirect data: %d bytes missing! ",
 726                        RD_MIN - dlen);
 727                 return -1;
 728         }
 729
 730         rlen = dlen;
 731         TCHECK(*tlv);
 732         invtlv = tlv_valid(tlv, rlen);
 733
 734         if (invtlv) {
 735                 printf("Redir data type 0x%x len %d\n", EXTRACT_16BITS(&tlv->type),
 736                        EXTRACT_16BITS(&tlv->length));
 737                 return -1;
 738         }
 739
 740         /*
 741          * At this point, tlv_valid() has ensured that the TLV
 742          * length is large enough but not too large (it doesn't
 743          * go past the end of the containing TLV).
 744          */
 745         rlen -= TLV_HDRL;
 746         hex_print_with_offset("\n\t\t\t[", TLV_DATA(tlv), rlen, 0);
 747         return 0;
 748
 749 trunc:
 750         fputs("[|forces]", stdout);
 751         return -1;
 752 }
 753
 754 int
 755 redirect_print(register const u_char * pptr, register u_int len,
 756                u_int16_t op_msk _U_, int indent)
 757 {
 758         const struct forces_tlv *tlv = (struct forces_tlv *)pptr;
 759         u_int dlen;
 760         u_int rlen;
 761         int invtlv;
 762
 763         /*
 764          * forces_type_print() has ensured that len (the TLV length)
 765          * >= TLV_HDRL.
 766          */
 767         dlen = len - TLV_HDRL;
 768         if (dlen <= RD_MIN) {
 769                 printf("\n\t\ttruncated Redirect TLV: %d bytes missing! ",
 770                        RD_MIN - dlen);
 771                 return -1;
 772         }
 773
 774         rlen = dlen;
 775         indent += 1;
 776         while (rlen != 0) {
 777                 TCHECK(*tlv);
 778                 invtlv = tlv_valid(tlv, rlen);
 779                 if (invtlv)
 780                         break;
 781
 782                 /*
 783                  * At this point, tlv_valid() has ensured that the TLV
 784                  * length is large enough but not too large (it doesn't
 785                  * go past the end of the containing TLV).
 786                  */
 787                 if (EXTRACT_16BITS(&tlv->type) == F_TLV_METD) {
 788                         print_metatlv((u_char *) TLV_DATA(tlv), rlen, 0, indent);
 789                 } else if ((EXTRACT_16BITS(&tlv->type) == F_TLV_REDD)) {
 790                         print_reddata((u_char *) TLV_DATA(tlv), rlen, 0, indent);
 791                 } else {
 792                         printf("Unknown REDIRECT TLV 0x%x len %d\n",
 793                                EXTRACT_16BITS(&tlv->type), EXTRACT_16BITS(&tlv->length));
 794                 }
 795
 796                 tlv = GO_NXT_TLV(tlv, rlen);
 797         }
 798
 799         if (rlen) {
 800                 printf
 801                     ("\n\t\tMessy Redirect TLV header, type (0x%x)\n\t\texcess of %d Bytes ",
 802                      EXTRACT_16BITS(&tlv->type), rlen - EXTRACT_16BITS(&tlv->length));
 803                 return -1;
 804         }
 805
 806         return 0;
 807
 808 trunc:
 809         fputs("[|forces]", stdout);
 810         return -1;
 811 }
 812
 813 #define OP_OFF 8
 814 #define OP_MIN 12
 815
 816 int
 817 lfbselect_print(register const u_char * pptr, register u_int len,
 818                 u_int16_t op_msk, int indent)
 819 {
 820         const struct forces_lfbsh *lfbs;
 821         const struct forces_tlv *otlv;
 822         char *ib = indent_pr(indent, 0);
 823         u_int dlen;
 824         u_int rlen;
 825         int invtlv;
 826
 827         /*
 828          * forces_type_print() has ensured that len (the TLV length)
 829          * >= TLV_HDRL.
 830          */
 831         dlen = len - TLV_HDRL;
 832         if (dlen <= OP_MIN) {   /* id, instance, oper tlv header .. */
 833                 printf("\n\t\ttruncated lfb selector: %d bytes missing! ",
 834                        OP_MIN - dlen);
 835                 return -1;
 836         }
 837
 838         /*
 839          * At this point, we know that dlen > OP_MIN; OP_OFF < OP_MIN, so
 840          * we also know that it's > OP_OFF.
 841          */
 842         rlen = dlen - OP_OFF;
 843
 844         lfbs = (const struct forces_lfbsh *)pptr;
 845         TCHECK(*lfbs);
 846         if (vflag >= 3) {
 847                 printf("\n%s%s(Classid %x) instance %x\n",
 848                        ib, tok2str(ForCES_LFBs, NULL, EXTRACT_32BITS(&lfbs->class)),
 849                        EXTRACT_32BITS(&lfbs->class),
 850                        EXTRACT_32BITS(&lfbs->instance));
 851         }
 852
 853         otlv = (struct forces_tlv *)(lfbs + 1);
 854
 855         indent += 1;
 856         while (rlen != 0) {
 857                 TCHECK(*otlv);
 858                 invtlv = tlv_valid(otlv, rlen);
 859                 if (invtlv)
 860                         break;
 861
 862                 /*
 863                  * At this point, tlv_valid() has ensured that the TLV
 864                  * length is large enough but not too large (it doesn't
 865                  * go past the end of the containing TLV).
 866                  */
 867                 if (op_valid(EXTRACT_16BITS(&otlv->type), op_msk)) {
 868                         otlv_print(otlv, 0, indent);
 869                 } else {
 870                         if (vflag < 3)
 871                                 printf("\n");
 872                         printf
 873                             ("\t\tINValid oper-TLV type 0x%x length %d for this ForCES message\n",
 874                              EXTRACT_16BITS(&otlv->type), EXTRACT_16BITS(&otlv->length));
 875                         invoptlv_print((u_char *)otlv, rlen, 0, indent);
 876                 }
 877                 otlv = GO_NXT_TLV(otlv, rlen);
 878         }
 879
 880         if (rlen) {
 881                 printf
 882                     ("\n\t\tMessy oper TLV header, type (0x%x)\n\t\texcess of %d Bytes ",
 883                      EXTRACT_16BITS(&otlv->type), rlen - EXTRACT_16BITS(&otlv->length));
 884                 return -1;
 885         }
 886
 887         return 0;
 888
 889 trunc:
 890         fputs("[|forces]", stdout);
 891         return -1;
 892 }
 893
 894 int
 895 forces_type_print(register const u_char * pptr, const struct forcesh *fhdr _U_,
 896                   register u_int mlen, const struct tom_h *tops)
 897 {
 898         const struct forces_tlv *tltlv;
 899         u_int rlen;
 900         int invtlv;
 901         int rc = 0;
 902         int ttlv = 0;
 903
 904         /*
 905          * forces_print() has already checked that mlen >= ForCES_HDRL
 906          * by calling ForCES_HLN_VALID().
 907          */
 908         rlen = mlen - ForCES_HDRL;
 909
 910         if (rlen > TLV_HLN) {
 911                 if (tops->flags & ZERO_TTLV) {
 912                         printf("<0x%x>Illegal Top level TLV!\n", tops->flags);
 913                         return -1;
 914                 }
 915         } else {
 916                 if (tops->flags & ZERO_MORE_TTLV)
 917                         return 0;
 918                 if (tops->flags & ONE_MORE_TTLV) {
 919                         printf("\tTop level TLV Data missing!\n");
 920                         return -1;
 921                 }
 922         }
 923
 924         if (tops->flags & ZERO_TTLV) {
 925                 return 0;
 926         }
 927
 928         ttlv = tops->flags >> 4;
 929         tltlv = GET_TOP_TLV(pptr);
 930
 931         /*XXX: 15 top level tlvs will probably be fine
 932            You are nuts if you send more ;-> */
 933         while (rlen != 0) {
 934                 TCHECK(*tltlv);
 935                 invtlv = tlv_valid(tltlv, rlen);
 936                 if (invtlv)
 937                         break;
 938
 939                 /*
 940                  * At this point, tlv_valid() has ensured that the TLV
 941                  * length is large enough but not too large (it doesn't
 942                  * go past the end of the packet).
 943                  */
 944                 if (!ttlv_valid(EXTRACT_16BITS(&tltlv->type))) {
 945                         printf("\n\tInvalid ForCES Top TLV type=0x%x",
 946                                EXTRACT_16BITS(&tltlv->type));
 947                         return -1;
 948                 }
 949
 950                 if (vflag >= 3)
 951                         printf("\t%s, length %d (data length %d Bytes)",
 952                                tok2str(ForCES_TLV, NULL, EXTRACT_16BITS(&tltlv->type)),
 953                                EXTRACT_16BITS(&tltlv->length),
 954                                EXTRACT_16BITS(&tltlv->length) - TLV_HDRL);
 955
 956                 rc = tops->print((u_char *) TLV_DATA(tltlv),
 957                                  EXTRACT_16BITS(&tltlv->length), tops->op_msk, 9);
 958                 if (rc < 0) {
 959                         return -1;
 960                 }
 961                 tltlv = GO_NXT_TLV(tltlv, rlen);
 962                 ttlv--;
 963                 if (ttlv <= 0)
 964                         break;
 965         }
 966         /*
 967          * XXX - if ttlv != 0, does that mean that the packet was too
 968          * short, and didn't have *enough* TLVs in it?
 969          */
 970         if (rlen) {
 971                 printf("\tMess TopTLV header: min %u, total %d advertised %d ",
 972                        TLV_HDRL, rlen, EXTRACT_16BITS(&tltlv->length));
 973                 return -1;
 974         }
 975
 976         return 0;
 977
 978 trunc:
 979         fputs("[|forces]", stdout);
 980         return -1;
 981 }
 982
 983 void forces_print(register const u_char * pptr, register u_int len)
 984 {
 985         const struct forcesh *fhdr;
 986         u_int mlen;
 987         u_int32_t flg_raw;
 988         const struct tom_h *tops;
 989         int rc = 0;
 990
 991         fhdr = (const struct forcesh *)pptr;
 992         TCHECK(*fhdr);
 993         if (!tom_valid(fhdr->fm_tom)) {
 994                 printf("Invalid ForCES message type %d\n", fhdr->fm_tom);
 995                 goto error;
 996         }
 997
 998         mlen = ForCES_BLN(fhdr);
 999
1000         tops = get_forces_tom(fhdr->fm_tom);
1001         if (tops->v == TOM_RSVD) {
1002                 printf("\n\tUnknown ForCES message type=0x%x", fhdr->fm_tom);
1003                 goto error;
1004         }
1005
1006         printf("\n\tForCES %s ", tops->s);
1007         if (!ForCES_HLN_VALID(mlen, len)) {
1008                 printf
1009                     ("Illegal ForCES pkt len - min %u, total recvd %d, advertised %d ",
1010                      ForCES_HDRL, len, ForCES_BLN(fhdr));
1011                 goto error;
1012         }
1013
1014         TCHECK2(*(pptr + 20), 4);
1015         flg_raw = EXTRACT_32BITS(pptr + 20);
1016         if (vflag >= 1) {
1017                 printf("\n\tForCES Version %d len %uB flags 0x%08x ",
1018                        ForCES_V(fhdr), mlen, flg_raw);
1019                 printf("\n\tSrcID 0x%x(%s) DstID 0x%x(%s) Correlator 0x%" PRIx64,
1020                        ForCES_SID(fhdr), ForCES_node(ForCES_SID(fhdr)),
1021                        ForCES_DID(fhdr), ForCES_node(ForCES_DID(fhdr)),
1022                        EXTRACT_64BITS(fhdr->fm_cor));
1023
1024         }
1025         if (vflag >= 2) {
1026                 printf
1027                     ("\n\tForCES flags:\n\t  %s(0x%x), prio=%d, %s(0x%x),\n\t  %s(0x%x), %s(0x%x)\n",
1028                      ForCES_ACKp(ForCES_ACK(fhdr)), ForCES_ACK(fhdr),
1029                      ForCES_PRI(fhdr),
1030                      ForCES_EMp(ForCES_EM(fhdr)), ForCES_EM(fhdr),
1031                      ForCES_ATp(ForCES_AT(fhdr)), ForCES_AT(fhdr),
1032                      ForCES_TPp(ForCES_TP(fhdr)), ForCES_TP(fhdr));
1033                 printf
1034                     ("\t  Extra flags: rsv(b5-7) 0x%x rsv(b13-31) 0x%x\n",
1035                      ForCES_RS1(fhdr), ForCES_RS2(fhdr));
1036         }
1037         rc = forces_type_print(pptr, fhdr, mlen, tops);
1038         if (rc < 0) {
1039 error:
1040                 hex_print_with_offset("\n\t[", pptr, len, 0);
1041                 printf("\n\t]");
1042                 return;
1043         }
1044
1045         if (vflag >= 4) {
1046                 printf("\n\t  Raw ForCES message\n\t [");
1047                 hex_print_with_offset("\n\t ", pptr, len, 0);
1048                 printf("\n\t ]");
1049         }
1050         printf("\n");
1051         return;
1052
1053 trunc:
1054         fputs("[|forces]", stdout);
1055 }