contrib/bind-9.5.2/lib/dns/spnego_asn1.c

   1 /*
   2  * Copyright (C) 2006, 2007  Internet Systems Consortium, Inc. ("ISC")
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
   9  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
  10  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
  11  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
  12  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
  13  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  14  * PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 /* $Id: spnego_asn1.c,v 1.4 2007/06/19 23:47:16 tbox Exp $ */
  18
  19 /*! \file
  20  * \brief Method routines generated from SPNEGO ASN.1 module.
  21  * See spnego_asn1.pl for details.  Do not edit.
  22  */
  23
  24 /* Generated from spnego.asn1 */
  25 /* Do not edit */
  26
  27 #ifndef __asn1_h__
  28 #define __asn1_h__
  29
  30
  31 #ifndef __asn1_common_definitions__
  32 #define __asn1_common_definitions__
  33
  34 typedef struct octet_string {
  35         size_t length;
  36         void *data;
  37 } octet_string;
  38
  39 typedef char *general_string;
  40
  41 typedef char *utf8_string;
  42
  43 typedef struct oid {
  44         size_t length;
  45         unsigned *components;
  46 } oid;
  47
  48 #define ASN1_MALLOC_ENCODE(T, B, BL, S, L, R)                  \
  49   do {                                                         \
  50     (BL) = length_##T((S));                                    \
  51     (B) = malloc((BL));                                        \
  52     if((B) == NULL) {                                          \
  53       (R) = ENOMEM;                                            \
  54     } else {                                                   \
  55       (R) = encode_##T(((unsigned char*)(B)) + (BL) - 1, (BL), \
  56                        (S), (L));                              \
  57       if((R) != 0) {                                           \
  58         free((B));                                             \
  59         (B) = NULL;                                            \
  60       }                                                        \
  61     }                                                          \
  62   } while (0)
  63
  64 #endif
  65
  66 /*
  67  * MechType ::= OBJECT IDENTIFIER
  68  */
  69
  70 typedef oid MechType;
  71
  72 static int encode_MechType(unsigned char *, size_t, const MechType *, size_t *);
  73 static int decode_MechType(const unsigned char *, size_t, MechType *, size_t *);
  74 static void free_MechType(MechType *);
  75 /* unused declaration: length_MechType */
  76 /* unused declaration: copy_MechType */
  77
  78
  79 /*
  80  * MechTypeList ::= SEQUENCE OF MechType
  81  */
  82
  83 typedef struct MechTypeList {
  84         unsigned int len;
  85         MechType *val;
  86 } MechTypeList;
  87
  88 static int encode_MechTypeList(unsigned char *, size_t, const MechTypeList *, size_t *);
  89 static int decode_MechTypeList(const unsigned char *, size_t, MechTypeList *, size_t *);
  90 static void free_MechTypeList(MechTypeList *);
  91 /* unused declaration: length_MechTypeList */
  92 /* unused declaration: copy_MechTypeList */
  93
  94
  95 /*
  96  * ContextFlags ::= BIT STRING { delegFlag(0), mutualFlag(1), replayFlag(2),
  97  * sequenceFlag(3), anonFlag(4), confFlag(5), integFlag(6) }
  98  */
  99
 100 typedef struct ContextFlags {
 101         unsigned int delegFlag:1;
 102         unsigned int mutualFlag:1;
 103         unsigned int replayFlag:1;
 104         unsigned int sequenceFlag:1;
 105         unsigned int anonFlag:1;
 106         unsigned int confFlag:1;
 107         unsigned int integFlag:1;
 108 } ContextFlags;
 109
 110
 111 static int encode_ContextFlags(unsigned char *, size_t, const ContextFlags *, size_t *);
 112 static int decode_ContextFlags(const unsigned char *, size_t, ContextFlags *, size_t *);
 113 static void free_ContextFlags(ContextFlags *);
 114 /* unused declaration: length_ContextFlags */
 115 /* unused declaration: copy_ContextFlags */
 116 /* unused declaration: ContextFlags2int */
 117 /* unused declaration: int2ContextFlags */
 118 /* unused declaration: asn1_ContextFlags_units */
 119
 120 /*
 121  * NegTokenInit ::= SEQUENCE { mechTypes[0]    MechTypeList, reqFlags[1]
 122  * ContextFlags OPTIONAL, mechToken[2]    OCTET STRING OPTIONAL,
 123  * mechListMIC[3]  OCTET STRING OPTIONAL }
 124  */
 125
 126 typedef struct NegTokenInit {
 127         MechTypeList mechTypes;
 128         ContextFlags *reqFlags;
 129         octet_string *mechToken;
 130         octet_string *mechListMIC;
 131 } NegTokenInit;
 132
 133 static int encode_NegTokenInit(unsigned char *, size_t, const NegTokenInit *, size_t *);
 134 static int decode_NegTokenInit(const unsigned char *, size_t, NegTokenInit *, size_t *);
 135 static void free_NegTokenInit(NegTokenInit *);
 136 /* unused declaration: length_NegTokenInit */
 137 /* unused declaration: copy_NegTokenInit */
 138
 139
 140 /*
 141  * NegTokenResp ::= SEQUENCE { negState[0]       ENUMERATED {
 142  * accept-completed(0), accept-incomplete(1), reject(2), request-mic(3) }
 143  * OPTIONAL, supportedMech[1]  MechType OPTIONAL, responseToken[2]  OCTET
 144  * STRING OPTIONAL, mechListMIC[3]    OCTET STRING OPTIONAL }
 145  */
 146
 147 typedef struct NegTokenResp {
 148         enum {
 149                 accept_completed = 0,
 150                 accept_incomplete = 1,
 151                 reject = 2,
 152                 request_mic = 3
 153         } *negState;
 154
 155         MechType *supportedMech;
 156         octet_string *responseToken;
 157         octet_string *mechListMIC;
 158 } NegTokenResp;
 159
 160 static int encode_NegTokenResp(unsigned char *, size_t, const NegTokenResp *, size_t *);
 161 static int decode_NegTokenResp(const unsigned char *, size_t, NegTokenResp *, size_t *);
 162 static void free_NegTokenResp(NegTokenResp *);
 163 /* unused declaration: length_NegTokenResp */
 164 /* unused declaration: copy_NegTokenResp */
 165
 166
 167
 168
 169 #endif                          /* __asn1_h__ */
 170 /* Generated from spnego.asn1 */
 171 /* Do not edit */
 172
 173
 174 #define BACK if (e) return e; p -= l; len -= l; ret += l
 175
 176 static int
 177 encode_MechType(unsigned char *p, size_t len, const MechType * data, size_t * size)
 178 {
 179         size_t ret = 0;
 180         size_t l;
 181         int i, e;
 182
 183         i = 0;
 184         e = encode_oid(p, len, data, &l);
 185         BACK;
 186         *size = ret;
 187         return 0;
 188 }
 189
 190 #define FORW if(e) goto fail; p += l; len -= l; ret += l
 191
 192 static int
 193 decode_MechType(const unsigned char *p, size_t len, MechType * data, size_t * size)
 194 {
 195         size_t ret = 0, reallen;
 196         size_t l;
 197         int e;
 198
 199         memset(data, 0, sizeof(*data));
 200         reallen = 0;
 201         e = decode_oid(p, len, data, &l);
 202         FORW;
 203         if (size)
 204                 *size = ret;
 205         return 0;
 206 fail:
 207         free_MechType(data);
 208         return e;
 209 }
 210
 211 static void
 212 free_MechType(MechType * data)
 213 {
 214         free_oid(data);
 215 }
 216
 217 /* unused function: length_MechType */
 218
 219
 220 /* unused function: copy_MechType */
 221
 222 /* Generated from spnego.asn1 */
 223 /* Do not edit */
 224
 225
 226 #define BACK if (e) return e; p -= l; len -= l; ret += l
 227
 228 static int
 229 encode_MechTypeList(unsigned char *p, size_t len, const MechTypeList * data, size_t * size)
 230 {
 231         size_t ret = 0;
 232         size_t l;
 233         int i, e;
 234
 235         i = 0;
 236         for (i = (data)->len - 1; i >= 0; --i) {
 237                 int oldret = ret;
 238                 ret = 0;
 239                 e = encode_MechType(p, len, &(data)->val[i], &l);
 240                 BACK;
 241                 ret += oldret;
 242         }
 243         e = der_put_length_and_tag(p, len, ret, ASN1_C_UNIV, CONS, UT_Sequence, &l);
 244         BACK;
 245         *size = ret;
 246         return 0;
 247 }
 248
 249 #define FORW if(e) goto fail; p += l; len -= l; ret += l
 250
 251 static int
 252 decode_MechTypeList(const unsigned char *p, size_t len, MechTypeList * data, size_t * size)
 253 {
 254         size_t ret = 0, reallen;
 255         size_t l;
 256         int e;
 257
 258         memset(data, 0, sizeof(*data));
 259         reallen = 0;
 260         e = der_match_tag_and_length(p, len, ASN1_C_UNIV, CONS, UT_Sequence, &reallen, &l);
 261         FORW;
 262         if (len < reallen)
 263                 return ASN1_OVERRUN;
 264         len = reallen;
 265         {
 266                 size_t origlen = len;
 267                 int oldret = ret;
 268                 ret = 0;
 269                 (data)->len = 0;
 270                 (data)->val = NULL;
 271                 while (ret < origlen) {
 272                         (data)->len++;
 273                         (data)->val = realloc((data)->val, sizeof(*((data)->val)) * (data)->len);
 274                         e = decode_MechType(p, len, &(data)->val[(data)->len - 1], &l);
 275                         FORW;
 276                         len = origlen - ret;
 277                 }
 278                 ret += oldret;
 279         }
 280         if (size)
 281                 *size = ret;
 282         return 0;
 283 fail:
 284         free_MechTypeList(data);
 285         return e;
 286 }
 287
 288 static void
 289 free_MechTypeList(MechTypeList * data)
 290 {
 291         while ((data)->len) {
 292                 free_MechType(&(data)->val[(data)->len - 1]);
 293                 (data)->len--;
 294         }
 295         free((data)->val);
 296         (data)->val = NULL;
 297 }
 298
 299 /* unused function: length_MechTypeList */
 300
 301
 302 /* unused function: copy_MechTypeList */
 303
 304 /* Generated from spnego.asn1 */
 305 /* Do not edit */
 306
 307
 308 #define BACK if (e) return e; p -= l; len -= l; ret += l
 309
 310 static int
 311 encode_ContextFlags(unsigned char *p, size_t len, const ContextFlags * data, size_t * size)
 312 {
 313         size_t ret = 0;
 314         size_t l;
 315         int i, e;
 316
 317         i = 0;
 318         {
 319                 unsigned char c = 0;
 320                 *p-- = c;
 321                 len--;
 322                 ret++;
 323                 c = 0;
 324                 *p-- = c;
 325                 len--;
 326                 ret++;
 327                 c = 0;
 328                 *p-- = c;
 329                 len--;
 330                 ret++;
 331                 c = 0;
 332                 if (data->integFlag)
 333                         c |= 1 << 1;
 334                 if (data->confFlag)
 335                         c |= 1 << 2;
 336                 if (data->anonFlag)
 337                         c |= 1 << 3;
 338                 if (data->sequenceFlag)
 339                         c |= 1 << 4;
 340                 if (data->replayFlag)
 341                         c |= 1 << 5;
 342                 if (data->mutualFlag)
 343                         c |= 1 << 6;
 344                 if (data->delegFlag)
 345                         c |= 1 << 7;
 346                 *p-- = c;
 347                 *p-- = 0;
 348                 len -= 2;
 349                 ret += 2;
 350         }
 351
 352         e = der_put_length_and_tag(p, len, ret, ASN1_C_UNIV, PRIM, UT_BitString, &l);
 353         BACK;
 354         *size = ret;
 355         return 0;
 356 }
 357
 358 #define FORW if(e) goto fail; p += l; len -= l; ret += l
 359
 360 static int
 361 decode_ContextFlags(const unsigned char *p, size_t len, ContextFlags * data, size_t * size)
 362 {
 363         size_t ret = 0, reallen;
 364         size_t l;
 365         int e;
 366
 367         memset(data, 0, sizeof(*data));
 368         reallen = 0;
 369         e = der_match_tag_and_length(p, len, ASN1_C_UNIV, PRIM, UT_BitString, &reallen, &l);
 370         FORW;
 371         if (len < reallen)
 372                 return ASN1_OVERRUN;
 373         p++;
 374         len--;
 375         reallen--;
 376         ret++;
 377         data->delegFlag = (*p >> 7) & 1;
 378         data->mutualFlag = (*p >> 6) & 1;
 379         data->replayFlag = (*p >> 5) & 1;
 380         data->sequenceFlag = (*p >> 4) & 1;
 381         data->anonFlag = (*p >> 3) & 1;
 382         data->confFlag = (*p >> 2) & 1;
 383         data->integFlag = (*p >> 1) & 1;
 384         p += reallen;
 385         len -= reallen;
 386         ret += reallen;
 387         if (size)
 388                 *size = ret;
 389         return 0;
 390 fail:
 391         free_ContextFlags(data);
 392         return e;
 393 }
 394
 395 static void
 396 free_ContextFlags(ContextFlags * data)
 397 {
 398         (void)data;
 399 }
 400
 401 /* unused function: length_ContextFlags */
 402
 403
 404 /* unused function: copy_ContextFlags */
 405
 406
 407 /* unused function: ContextFlags2int */
 408
 409
 410 /* unused function: int2ContextFlags */
 411
 412
 413 /* unused variable: ContextFlags_units */
 414
 415 /* unused function: asn1_ContextFlags_units */
 416
 417 /* Generated from spnego.asn1 */
 418 /* Do not edit */
 419
 420
 421 #define BACK if (e) return e; p -= l; len -= l; ret += l
 422
 423 static int
 424 encode_NegTokenInit(unsigned char *p, size_t len, const NegTokenInit * data, size_t * size)
 425 {
 426         size_t ret = 0;
 427         size_t l;
 428         int i, e;
 429
 430         i = 0;
 431         if ((data)->mechListMIC) {
 432                 int oldret = ret;
 433                 ret = 0;
 434                 e = encode_octet_string(p, len, (data)->mechListMIC, &l);
 435                 BACK;
 436                 e = der_put_length_and_tag(p, len, ret, ASN1_C_CONTEXT, CONS, 3, &l);
 437                 BACK;
 438                 ret += oldret;
 439         }
 440         if ((data)->mechToken) {
 441                 int oldret = ret;
 442                 ret = 0;
 443                 e = encode_octet_string(p, len, (data)->mechToken, &l);
 444                 BACK;
 445                 e = der_put_length_and_tag(p, len, ret, ASN1_C_CONTEXT, CONS, 2, &l);
 446                 BACK;
 447                 ret += oldret;
 448         }
 449         if ((data)->reqFlags) {
 450                 int oldret = ret;
 451                 ret = 0;
 452                 e = encode_ContextFlags(p, len, (data)->reqFlags, &l);
 453                 BACK;
 454                 e = der_put_length_and_tag(p, len, ret, ASN1_C_CONTEXT, CONS, 1, &l);
 455                 BACK;
 456                 ret += oldret;
 457         } {
 458                 int oldret = ret;
 459                 ret = 0;
 460                 e = encode_MechTypeList(p, len, &(data)->mechTypes, &l);
 461                 BACK;
 462                 e = der_put_length_and_tag(p, len, ret, ASN1_C_CONTEXT, CONS, 0, &l);
 463                 BACK;
 464                 ret += oldret;
 465         }
 466         e = der_put_length_and_tag(p, len, ret, ASN1_C_UNIV, CONS, UT_Sequence, &l);
 467         BACK;
 468         *size = ret;
 469         return 0;
 470 }
 471
 472 #define FORW if(e) goto fail; p += l; len -= l; ret += l
 473
 474 static int
 475 decode_NegTokenInit(const unsigned char *p, size_t len, NegTokenInit * data, size_t * size)
 476 {
 477         size_t ret = 0, reallen;
 478         size_t l;
 479         int e;
 480
 481         memset(data, 0, sizeof(*data));
 482         reallen = 0;
 483         e = der_match_tag_and_length(p, len, ASN1_C_UNIV, CONS, UT_Sequence, &reallen, &l);
 484         FORW;
 485         {
 486                 int dce_fix;
 487                 if ((dce_fix = fix_dce(reallen, &len)) < 0)
 488                         return ASN1_BAD_FORMAT;
 489                 {
 490                         size_t newlen, oldlen;
 491
 492                         e = der_match_tag(p, len, ASN1_C_CONTEXT, CONS, 0, &l);
 493                         if (e)
 494                                 return e;
 495                         else {
 496                                 p += l;
 497                                 len -= l;
 498                                 ret += l;
 499                                 e = der_get_length(p, len, &newlen, &l);
 500                                 FORW;
 501                                 {
 502                                         int dce_fix;
 503                                         oldlen = len;
 504                                         if ((dce_fix = fix_dce(newlen, &len)) < 0)
 505                                                 return ASN1_BAD_FORMAT;
 506                                         e = decode_MechTypeList(p, len, &(data)->mechTypes, &l);
 507                                         FORW;
 508                                         if (dce_fix) {
 509                                                 e = der_match_tag_and_length(p, len, (Der_class) 0, (Der_type) 0, 0, &reallen, &l);
 510                                                 FORW;
 511                                         } else
 512                                                 len = oldlen - newlen;
 513                                 }
 514                         }
 515                 }
 516                 {
 517                         size_t newlen, oldlen;
 518
 519                         e = der_match_tag(p, len, ASN1_C_CONTEXT, CONS, 1, &l);
 520                         if (e)
 521                                 (data)->reqFlags = NULL;
 522                         else {
 523                                 p += l;
 524                                 len -= l;
 525                                 ret += l;
 526                                 e = der_get_length(p, len, &newlen, &l);
 527                                 FORW;
 528                                 {
 529                                         int dce_fix;
 530                                         oldlen = len;
 531                                         if ((dce_fix = fix_dce(newlen, &len)) < 0)
 532                                                 return ASN1_BAD_FORMAT;
 533                                         (data)->reqFlags = malloc(sizeof(*(data)->reqFlags));
 534                                         if ((data)->reqFlags == NULL)
 535                                                 return ENOMEM;
 536                                         e = decode_ContextFlags(p, len, (data)->reqFlags, &l);
 537                                         FORW;
 538                                         if (dce_fix) {
 539                                                 e = der_match_tag_and_length(p, len, (Der_class) 0, (Der_type) 0, 0, &reallen, &l);
 540                                                 FORW;
 541                                         } else
 542                                                 len = oldlen - newlen;
 543                                 }
 544                         }
 545                 }
 546                 {
 547                         size_t newlen, oldlen;
 548
 549                         e = der_match_tag(p, len, ASN1_C_CONTEXT, CONS, 2, &l);
 550                         if (e)
 551                                 (data)->mechToken = NULL;
 552                         else {
 553                                 p += l;
 554                                 len -= l;
 555                                 ret += l;
 556                                 e = der_get_length(p, len, &newlen, &l);
 557                                 FORW;
 558                                 {
 559                                         int dce_fix;
 560                                         oldlen = len;
 561                                         if ((dce_fix = fix_dce(newlen, &len)) < 0)
 562                                                 return ASN1_BAD_FORMAT;
 563                                         (data)->mechToken = malloc(sizeof(*(data)->mechToken));
 564                                         if ((data)->mechToken == NULL)
 565                                                 return ENOMEM;
 566                                         e = decode_octet_string(p, len, (data)->mechToken, &l);
 567                                         FORW;
 568                                         if (dce_fix) {
 569                                                 e = der_match_tag_and_length(p, len, (Der_class) 0, (Der_type) 0, 0, &reallen, &l);
 570                                                 FORW;
 571                                         } else
 572                                                 len = oldlen - newlen;
 573                                 }
 574                         }
 575                 }
 576                 {
 577                         size_t newlen, oldlen;
 578
 579                         e = der_match_tag(p, len, ASN1_C_CONTEXT, CONS, 3, &l);
 580                         if (e)
 581                                 (data)->mechListMIC = NULL;
 582                         else {
 583                                 p += l;
 584                                 len -= l;
 585                                 ret += l;
 586                                 e = der_get_length(p, len, &newlen, &l);
 587                                 FORW;
 588                                 {
 589                                         int dce_fix;
 590                                         oldlen = len;
 591                                         if ((dce_fix = fix_dce(newlen, &len)) < 0)
 592                                                 return ASN1_BAD_FORMAT;
 593                                         (data)->mechListMIC = malloc(sizeof(*(data)->mechListMIC));
 594                                         if ((data)->mechListMIC == NULL)
 595                                                 return ENOMEM;
 596                                         e = decode_octet_string(p, len, (data)->mechListMIC, &l);
 597                                         FORW;
 598                                         if (dce_fix) {
 599                                                 e = der_match_tag_and_length(p, len, (Der_class) 0, (Der_type) 0, 0, &reallen, &l);
 600                                                 FORW;
 601                                         } else
 602                                                 len = oldlen - newlen;
 603                                 }
 604                         }
 605                 }
 606                 if (dce_fix) {
 607                         e = der_match_tag_and_length(p, len, (Der_class) 0, (Der_type) 0, 0, &reallen, &l);
 608                         FORW;
 609                 }
 610         }
 611         if (size)
 612                 *size = ret;
 613         return 0;
 614 fail:
 615         free_NegTokenInit(data);
 616         return e;
 617 }
 618
 619 static void
 620 free_NegTokenInit(NegTokenInit * data)
 621 {
 622         free_MechTypeList(&(data)->mechTypes);
 623         if ((data)->reqFlags) {
 624                 free_ContextFlags((data)->reqFlags);
 625                 free((data)->reqFlags);
 626                 (data)->reqFlags = NULL;
 627         }
 628         if ((data)->mechToken) {
 629                 free_octet_string((data)->mechToken);
 630                 free((data)->mechToken);
 631                 (data)->mechToken = NULL;
 632         }
 633         if ((data)->mechListMIC) {
 634                 free_octet_string((data)->mechListMIC);
 635                 free((data)->mechListMIC);
 636                 (data)->mechListMIC = NULL;
 637         }
 638 }
 639
 640 /* unused function: length_NegTokenInit */
 641
 642
 643 /* unused function: copy_NegTokenInit */
 644
 645 /* Generated from spnego.asn1 */
 646 /* Do not edit */
 647
 648
 649 #define BACK if (e) return e; p -= l; len -= l; ret += l
 650
 651 static int
 652 encode_NegTokenResp(unsigned char *p, size_t len, const NegTokenResp * data, size_t * size)
 653 {
 654         size_t ret = 0;
 655         size_t l;
 656         int i, e;
 657
 658         i = 0;
 659         if ((data)->mechListMIC) {
 660                 int oldret = ret;
 661                 ret = 0;
 662                 e = encode_octet_string(p, len, (data)->mechListMIC, &l);
 663                 BACK;
 664                 e = der_put_length_and_tag(p, len, ret, ASN1_C_CONTEXT, CONS, 3, &l);
 665                 BACK;
 666                 ret += oldret;
 667         }
 668         if ((data)->responseToken) {
 669                 int oldret = ret;
 670                 ret = 0;
 671                 e = encode_octet_string(p, len, (data)->responseToken, &l);
 672                 BACK;
 673                 e = der_put_length_and_tag(p, len, ret, ASN1_C_CONTEXT, CONS, 2, &l);
 674                 BACK;
 675                 ret += oldret;
 676         }
 677         if ((data)->supportedMech) {
 678                 int oldret = ret;
 679                 ret = 0;
 680                 e = encode_MechType(p, len, (data)->supportedMech, &l);
 681                 BACK;
 682                 e = der_put_length_and_tag(p, len, ret, ASN1_C_CONTEXT, CONS, 1, &l);
 683                 BACK;
 684                 ret += oldret;
 685         }
 686         if ((data)->negState) {
 687                 int oldret = ret;
 688                 ret = 0;
 689                 e = encode_enumerated(p, len, (data)->negState, &l);
 690                 BACK;
 691                 e = der_put_length_and_tag(p, len, ret, ASN1_C_CONTEXT, CONS, 0, &l);
 692                 BACK;
 693                 ret += oldret;
 694         }
 695         e = der_put_length_and_tag(p, len, ret, ASN1_C_UNIV, CONS, UT_Sequence, &l);
 696         BACK;
 697         *size = ret;
 698         return 0;
 699 }
 700
 701 #define FORW if(e) goto fail; p += l; len -= l; ret += l
 702
 703 static int
 704 decode_NegTokenResp(const unsigned char *p, size_t len, NegTokenResp * data, size_t * size)
 705 {
 706         size_t ret = 0, reallen;
 707         size_t l;
 708         int e;
 709
 710         memset(data, 0, sizeof(*data));
 711         reallen = 0;
 712         e = der_match_tag_and_length(p, len, ASN1_C_UNIV, CONS, UT_Sequence, &reallen, &l);
 713         FORW;
 714         {
 715                 int dce_fix;
 716                 if ((dce_fix = fix_dce(reallen, &len)) < 0)
 717                         return ASN1_BAD_FORMAT;
 718                 {
 719                         size_t newlen, oldlen;
 720
 721                         e = der_match_tag(p, len, ASN1_C_CONTEXT, CONS, 0, &l);
 722                         if (e)
 723                                 (data)->negState = NULL;
 724                         else {
 725                                 p += l;
 726                                 len -= l;
 727                                 ret += l;
 728                                 e = der_get_length(p, len, &newlen, &l);
 729                                 FORW;
 730                                 {
 731                                         int dce_fix;
 732                                         oldlen = len;
 733                                         if ((dce_fix = fix_dce(newlen, &len)) < 0)
 734                                                 return ASN1_BAD_FORMAT;
 735                                         (data)->negState = malloc(sizeof(*(data)->negState));
 736                                         if ((data)->negState == NULL)
 737                                                 return ENOMEM;
 738                                         e = decode_enumerated(p, len, (data)->negState, &l);
 739                                         FORW;
 740                                         if (dce_fix) {
 741                                                 e = der_match_tag_and_length(p, len, (Der_class) 0, (Der_type) 0, 0, &reallen, &l);
 742                                                 FORW;
 743                                         } else
 744                                                 len = oldlen - newlen;
 745                                 }
 746                         }
 747                 }
 748                 {
 749                         size_t newlen, oldlen;
 750
 751                         e = der_match_tag(p, len, ASN1_C_CONTEXT, CONS, 1, &l);
 752                         if (e)
 753                                 (data)->supportedMech = NULL;
 754                         else {
 755                                 p += l;
 756                                 len -= l;
 757                                 ret += l;
 758                                 e = der_get_length(p, len, &newlen, &l);
 759                                 FORW;
 760                                 {
 761                                         int dce_fix;
 762                                         oldlen = len;
 763                                         if ((dce_fix = fix_dce(newlen, &len)) < 0)
 764                                                 return ASN1_BAD_FORMAT;
 765                                         (data)->supportedMech = malloc(sizeof(*(data)->supportedMech));
 766                                         if ((data)->supportedMech == NULL)
 767                                                 return ENOMEM;
 768                                         e = decode_MechType(p, len, (data)->supportedMech, &l);
 769                                         FORW;
 770                                         if (dce_fix) {
 771                                                 e = der_match_tag_and_length(p, len, (Der_class) 0, (Der_type) 0, 0, &reallen, &l);
 772                                                 FORW;
 773                                         } else
 774                                                 len = oldlen - newlen;
 775                                 }
 776                         }
 777                 }
 778                 {
 779                         size_t newlen, oldlen;
 780
 781                         e = der_match_tag(p, len, ASN1_C_CONTEXT, CONS, 2, &l);
 782                         if (e)
 783                                 (data)->responseToken = NULL;
 784                         else {
 785                                 p += l;
 786                                 len -= l;
 787                                 ret += l;
 788                                 e = der_get_length(p, len, &newlen, &l);
 789                                 FORW;
 790                                 {
 791                                         int dce_fix;
 792                                         oldlen = len;
 793                                         if ((dce_fix = fix_dce(newlen, &len)) < 0)
 794                                                 return ASN1_BAD_FORMAT;
 795                                         (data)->responseToken = malloc(sizeof(*(data)->responseToken));
 796                                         if ((data)->responseToken == NULL)
 797                                                 return ENOMEM;
 798                                         e = decode_octet_string(p, len, (data)->responseToken, &l);
 799                                         FORW;
 800                                         if (dce_fix) {
 801                                                 e = der_match_tag_and_length(p, len, (Der_class) 0, (Der_type) 0, 0, &reallen, &l);
 802                                                 FORW;
 803                                         } else
 804                                                 len = oldlen - newlen;
 805                                 }
 806                         }
 807                 }
 808                 {
 809                         size_t newlen, oldlen;
 810
 811                         e = der_match_tag(p, len, ASN1_C_CONTEXT, CONS, 3, &l);
 812                         if (e)
 813                                 (data)->mechListMIC = NULL;
 814                         else {
 815                                 p += l;
 816                                 len -= l;
 817                                 ret += l;
 818                                 e = der_get_length(p, len, &newlen, &l);
 819                                 FORW;
 820                                 {
 821                                         int dce_fix;
 822                                         oldlen = len;
 823                                         if ((dce_fix = fix_dce(newlen, &len)) < 0)
 824                                                 return ASN1_BAD_FORMAT;
 825                                         (data)->mechListMIC = malloc(sizeof(*(data)->mechListMIC));
 826                                         if ((data)->mechListMIC == NULL)
 827                                                 return ENOMEM;
 828                                         e = decode_octet_string(p, len, (data)->mechListMIC, &l);
 829                                         FORW;
 830                                         if (dce_fix) {
 831                                                 e = der_match_tag_and_length(p, len, (Der_class) 0, (Der_type) 0, 0, &reallen, &l);
 832                                                 FORW;
 833                                         } else
 834                                                 len = oldlen - newlen;
 835                                 }
 836                         }
 837                 }
 838                 if (dce_fix) {
 839                         e = der_match_tag_and_length(p, len, (Der_class) 0, (Der_type) 0, 0, &reallen, &l);
 840                         FORW;
 841                 }
 842         }
 843         if (size)
 844                 *size = ret;
 845         return 0;
 846 fail:
 847         free_NegTokenResp(data);
 848         return e;
 849 }
 850
 851 static void
 852 free_NegTokenResp(NegTokenResp * data)
 853 {
 854         if ((data)->negState) {
 855                 free((data)->negState);
 856                 (data)->negState = NULL;
 857         }
 858         if ((data)->supportedMech) {
 859                 free_MechType((data)->supportedMech);
 860                 free((data)->supportedMech);
 861                 (data)->supportedMech = NULL;
 862         }
 863         if ((data)->responseToken) {
 864                 free_octet_string((data)->responseToken);
 865                 free((data)->responseToken);
 866                 (data)->responseToken = NULL;
 867         }
 868         if ((data)->mechListMIC) {
 869                 free_octet_string((data)->mechListMIC);
 870                 free((data)->mechListMIC);
 871                 (data)->mechListMIC = NULL;
 872         }
 873 }
 874
 875 /* unused function: length_NegTokenResp */
 876
 877
 878 /* unused function: copy_NegTokenResp */
 879
 880 /* Generated from spnego.asn1 */
 881 /* Do not edit */
 882
 883
 884 /* CHOICE */
 885 /* unused variable: asn1_NegotiationToken_dummy_holder */