source/rpc_parse/parse_rpc.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  RPC Pipe client / server routines
   4  *  Copyright (C) Andrew Tridgell              1992-1997,
   5  *  Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
   6  *  Copyright (C) Paul Ashton                       1997.
   7  *  Copyright (C) Jeremy Allison                    1999.
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 2 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, write to the Free Software
  21  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22  */
  23
  24 #include "includes.h"
  25
  26 #undef DBGC_CLASS
  27 #define DBGC_CLASS DBGC_RPC_PARSE
  28
  29 /*******************************************************************
  30 interface/version dce/rpc pipe identification
  31 ********************************************************************/
  32
  33 #define TRANS_SYNT_V2                       \
  34 {                                           \
  35         {                                   \
  36                 0x8a885d04, 0x1ceb, 0x11c9, \
  37                 { 0x9f, 0xe8 },             \
  38                 { 0x08, 0x00,               \
  39                   0x2b, 0x10, 0x48, 0x60 }  \
  40         }, 0x02                             \
  41 }
  42
  43 #define SYNT_NETLOGON_V2                    \
  44 {                                           \
  45         {                                   \
  46                 0x8a885d04, 0x1ceb, 0x11c9, \
  47                 { 0x9f, 0xe8 },             \
  48                 { 0x08, 0x00,               \
  49                   0x2b, 0x10, 0x48, 0x60 }  \
  50         }, 0x02                             \
  51 }
  52
  53 #define SYNT_WKSSVC_V1                      \
  54 {                                           \
  55         {                                   \
  56                 0x6bffd098, 0xa112, 0x3610, \
  57                 { 0x98, 0x33 },             \
  58                 { 0x46, 0xc3,               \
  59                   0xf8, 0x7e, 0x34, 0x5a }  \
  60         }, 0x01                             \
  61 }
  62
  63 #define SYNT_SRVSVC_V3                      \
  64 {                                           \
  65         {                                   \
  66                 0x4b324fc8, 0x1670, 0x01d3, \
  67                 { 0x12, 0x78 },             \
  68                 { 0x5a, 0x47,               \
  69                   0xbf, 0x6e, 0xe1, 0x88 }  \
  70         }, 0x03                             \
  71 }
  72
  73 #define SYNT_LSARPC_V0                      \
  74 {                                           \
  75         {                                   \
  76                 0x12345778, 0x1234, 0xabcd, \
  77                 { 0xef, 0x00 },             \
  78                 { 0x01, 0x23,               \
  79                   0x45, 0x67, 0x89, 0xab }  \
  80         }, 0x00                             \
  81 }
  82
  83 #define SYNT_LSARPC_V0_DS                \
  84 {                                           \
  85         {                                   \
  86                 0x3919286a, 0xb10c, 0x11d0, \
  87                 { 0x9b, 0xa8 },             \
  88                 { 0x00, 0xc0,               \
  89                   0x4f, 0xd9, 0x2e, 0xf5 }  \
  90         }, 0x00                             \
  91 }
  92
  93 #define SYNT_SAMR_V1                        \
  94 {                                           \
  95         {                                   \
  96                 0x12345778, 0x1234, 0xabcd, \
  97                 { 0xef, 0x00 },             \
  98                 { 0x01, 0x23,               \
  99                   0x45, 0x67, 0x89, 0xac }  \
 100         }, 0x01                             \
 101 }
 102
 103 #define SYNT_NETLOGON_V1                    \
 104 {                                           \
 105         {                                   \
 106                 0x12345678, 0x1234, 0xabcd, \
 107                 { 0xef, 0x00 },             \
 108                 { 0x01, 0x23,               \
 109                   0x45, 0x67, 0xcf, 0xfb }  \
 110         }, 0x01                             \
 111 }
 112
 113 #define SYNT_WINREG_V1                      \
 114 {                                           \
 115         {                                   \
 116                 0x338cd001, 0x2244, 0x31f1, \
 117                 { 0xaa, 0xaa },             \
 118                 { 0x90, 0x00,               \
 119                   0x38, 0x00, 0x10, 0x03 }  \
 120         }, 0x01                             \
 121 }
 122
 123 #define SYNT_SPOOLSS_V1                     \
 124 {                                           \
 125         {                                   \
 126                 0x12345678, 0x1234, 0xabcd, \
 127                 { 0xef, 0x00 },             \
 128                 { 0x01, 0x23,               \
 129                   0x45, 0x67, 0x89, 0xab }  \
 130         }, 0x01                             \
 131 }
 132
 133 #define SYNT_NONE_V0                        \
 134 {                                           \
 135         {                                   \
 136                 0x0, 0x0, 0x0,              \
 137                 { 0x00, 0x00 },             \
 138                 { 0x00, 0x00,               \
 139                   0x00, 0x00, 0x00, 0x00 }  \
 140         }, 0x00                             \
 141 }
 142
 143 #define SYNT_NETDFS_V3                      \
 144 {                                           \
 145         {                                   \
 146                 0x4fc742e0, 0x4a10, 0x11cf, \
 147                 { 0x82, 0x73 },             \
 148                 { 0x00, 0xaa,               \
 149                   0x00, 0x4a, 0xe6, 0x73 }  \
 150         }, 0x03                             \
 151 }
 152
 153 #define SYNT_ECHO_V1                        \
 154 {                                           \
 155         {                                   \
 156                 0x60a15ec5, 0x4de8, 0x11d7, \
 157                 { 0xa6, 0x37 },             \
 158                 { 0x00, 0x50,               \
 159                   0x56, 0xa2, 0x01, 0x82 }  \
 160         }, 0x01                             \
 161 }
 162
 163 #define SYNT_SHUTDOWN_V1                    \
 164 {                                           \
 165         {                                   \
 166                 0x894de0c0, 0x0d55, 0x11d3, \
 167                 { 0xa3, 0x22 },             \
 168                 { 0x00, 0xc0,               \
 169                   0x4f, 0xa3, 0x21, 0xa1 }  \
 170         }, 0x01                             \
 171 }
 172
 173 #define SYNT_SVCCTL_V2                      \
 174 {                                           \
 175         {                                   \
 176                 0x367abb81, 0x9844, 0x35f1, \
 177                 { 0xad, 0x32 },             \
 178                 { 0x98, 0xf0,               \
 179                   0x38, 0x00, 0x10, 0x03 }  \
 180         }, 0x02                             \
 181 }
 182
 183
 184 #define SYNT_EVENTLOG_V0                    \
 185 {                                           \
 186         {                                   \
 187                 0x82273fdc, 0xe32a, 0x18c3, \
 188                 { 0x3f, 0x78 },             \
 189                 { 0x82, 0x79,               \
 190                   0x29, 0xdc, 0x23, 0xea }  \
 191         }, 0x00                             \
 192 }
 193
 194 #define SYNT_UNIXINFO_V0                    \
 195 {                                           \
 196         {                                   \
 197                 0x9c54e310, 0xa955, 0x4885, \
 198                 { 0xbd, 0x31 },             \
 199                 { 0x78, 0x78,               \
 200                   0x71, 0x47, 0xdf, 0xa6 }  \
 201         }, 0x00                             \
 202 }
 203
 204 #define SYNT_NTSVCS_V1                      \
 205 {                                           \
 206         {                                   \
 207                 0x8d9f4e40, 0xa03d, 0x11ce, \
 208                 { 0x8f, 0x69},              \
 209                 { 0x08, 0x00,               \
 210                   0x3e, 0x30, 0x05, 0x1b }  \
 211         }, 0x01                             \
 212 }
 213
 214 /*
 215  * IMPORTANT!!  If you update this structure, make sure to
 216  * update the index #defines in smb.h.
 217  */
 218
 219 const struct pipe_id_info pipe_names [] =
 220 {
 221         /* client pipe , abstract syntax       , server pipe   , transfer syntax */
 222         { PIPE_LSARPC  , SYNT_LSARPC_V0        , PIPE_LSASS    , TRANS_SYNT_V2 },
 223         { PIPE_LSARPC  , SYNT_LSARPC_V0_DS     , PIPE_LSASS    , TRANS_SYNT_V2 },
 224         { PIPE_SAMR    , SYNT_SAMR_V1          , PIPE_LSASS    , TRANS_SYNT_V2 },
 225         { PIPE_NETLOGON, SYNT_NETLOGON_V1      , PIPE_LSASS    , TRANS_SYNT_V2 },
 226         { PIPE_SRVSVC  , SYNT_SRVSVC_V3        , PIPE_NTSVCS   , TRANS_SYNT_V2 },
 227         { PIPE_WKSSVC  , SYNT_WKSSVC_V1        , PIPE_NTSVCS   , TRANS_SYNT_V2 },
 228         { PIPE_WINREG  , SYNT_WINREG_V1        , PIPE_WINREG   , TRANS_SYNT_V2 },
 229         { PIPE_SPOOLSS , SYNT_SPOOLSS_V1       , PIPE_SPOOLSS  , TRANS_SYNT_V2 },
 230         { PIPE_NETDFS  , SYNT_NETDFS_V3        , PIPE_NETDFS   , TRANS_SYNT_V2 },
 231         { PIPE_ECHO    , SYNT_ECHO_V1          , PIPE_ECHO     , TRANS_SYNT_V2 },
 232         { PIPE_SHUTDOWN, SYNT_SHUTDOWN_V1      , PIPE_SHUTDOWN , TRANS_SYNT_V2 },
 233         { PIPE_SVCCTL  , SYNT_SVCCTL_V2        , PIPE_NTSVCS   , TRANS_SYNT_V2 },
 234         { PIPE_EVENTLOG, SYNT_EVENTLOG_V0      , PIPE_EVENTLOG , TRANS_SYNT_V2 },
 235         { PIPE_UNIXINFO, SYNT_UNIXINFO_V0      , PIPE_UNIXINFO , TRANS_SYNT_V2 },
 236         { PIPE_NTSVCS  , SYNT_NTSVCS_V1        , PIPE_NTSVCS   , TRANS_SYNT_V2 },
 237         { NULL         , SYNT_NONE_V0          , NULL          , SYNT_NONE_V0  }
 238 };
 239
 240 /****************************************************************************
 241  Return the pipe name from the index.
 242  ****************************************************************************/
 243
 244 const char *cli_get_pipe_name(int pipe_idx)
 245 {
 246         return &pipe_names[pipe_idx].client_pipe[5];
 247 }
 248
 249 /*******************************************************************
 250  Inits an RPC_HDR structure.
 251 ********************************************************************/
 252
 253 void init_rpc_hdr(RPC_HDR *hdr, enum RPC_PKT_TYPE pkt_type, uint8 flags,
 254                                 uint32 call_id, int data_len, int auth_len)
 255 {
 256         hdr->major        = 5;               /* RPC version 5 */
 257         hdr->minor        = 0;               /* minor version 0 */
 258         hdr->pkt_type     = pkt_type;        /* RPC packet type */
 259         hdr->flags        = flags;           /* dce/rpc flags */
 260         hdr->pack_type[0] = 0x10;            /* little-endian data representation */
 261         hdr->pack_type[1] = 0;               /* packed data representation */
 262         hdr->pack_type[2] = 0;               /* packed data representation */
 263         hdr->pack_type[3] = 0;               /* packed data representation */
 264         hdr->frag_len     = data_len;        /* fragment length, fill in later */
 265         hdr->auth_len     = auth_len;        /* authentication length */
 266         hdr->call_id      = call_id;         /* call identifier - match incoming RPC */
 267 }
 268
 269 /*******************************************************************
 270  Reads or writes an RPC_HDR structure.
 271 ********************************************************************/
 272
 273 BOOL smb_io_rpc_hdr(const char *desc,  RPC_HDR *rpc, prs_struct *ps, int depth)
 274 {
 275         if (rpc == NULL)
 276                 return False;
 277
 278         prs_debug(ps, depth, desc, "smb_io_rpc_hdr");
 279         depth++;
 280
 281         if(!prs_uint8 ("major     ", ps, depth, &rpc->major))
 282                 return False;
 283
 284         if(!prs_uint8 ("minor     ", ps, depth, &rpc->minor))
 285                 return False;
 286         if(!prs_uint8 ("pkt_type  ", ps, depth, &rpc->pkt_type))
 287                 return False;
 288         if(!prs_uint8 ("flags     ", ps, depth, &rpc->flags))
 289                 return False;
 290
 291         /* We always marshall in little endian format. */
 292         if (MARSHALLING(ps))
 293                 rpc->pack_type[0] = 0x10;
 294
 295         if(!prs_uint8("pack_type0", ps, depth, &rpc->pack_type[0]))
 296                 return False;
 297         if(!prs_uint8("pack_type1", ps, depth, &rpc->pack_type[1]))
 298                 return False;
 299         if(!prs_uint8("pack_type2", ps, depth, &rpc->pack_type[2]))
 300                 return False;
 301         if(!prs_uint8("pack_type3", ps, depth, &rpc->pack_type[3]))
 302                 return False;
 303
 304         /*
 305          * If reading and pack_type[0] == 0 then the data is in big-endian
 306          * format. Set the flag in the prs_struct to specify reverse-endainness.
 307          */
 308
 309         if (UNMARSHALLING(ps) && rpc->pack_type[0] == 0) {
 310                 DEBUG(10,("smb_io_rpc_hdr: PDU data format is big-endian. Setting flag.\n"));
 311                 prs_set_endian_data(ps, RPC_BIG_ENDIAN);
 312         }
 313
 314         if(!prs_uint16("frag_len  ", ps, depth, &rpc->frag_len))
 315                 return False;
 316         if(!prs_uint16("auth_len  ", ps, depth, &rpc->auth_len))
 317                 return False;
 318         if(!prs_uint32("call_id   ", ps, depth, &rpc->call_id))
 319                 return False;
 320         return True;
 321 }
 322
 323 /*******************************************************************
 324  Reads or writes an RPC_IFACE structure.
 325 ********************************************************************/
 326
 327 static BOOL smb_io_rpc_iface(const char *desc, RPC_IFACE *ifc, prs_struct *ps, int depth)
 328 {
 329         if (ifc == NULL)
 330                 return False;
 331
 332         prs_debug(ps, depth, desc, "smb_io_rpc_iface");
 333         depth++;
 334
 335         if (!prs_align(ps))
 336                 return False;
 337
 338         if (!smb_io_uuid(  "uuid", &ifc->uuid, ps, depth))
 339                 return False;
 340
 341         if(!prs_uint32 ("version", ps, depth, &ifc->version))
 342                 return False;
 343
 344         return True;
 345 }
 346
 347 /*******************************************************************
 348  Inits an RPC_ADDR_STR structure.
 349 ********************************************************************/
 350
 351 static void init_rpc_addr_str(RPC_ADDR_STR *str, const char *name)
 352 {
 353         str->len = strlen(name) + 1;
 354         fstrcpy(str->str, name);
 355 }
 356
 357 /*******************************************************************
 358  Reads or writes an RPC_ADDR_STR structure.
 359 ********************************************************************/
 360
 361 static BOOL smb_io_rpc_addr_str(const char *desc,  RPC_ADDR_STR *str, prs_struct *ps, int depth)
 362 {
 363         if (str == NULL)
 364                 return False;
 365
 366         prs_debug(ps, depth, desc, "smb_io_rpc_addr_str");
 367         depth++;
 368         if(!prs_align(ps))
 369                 return False;
 370
 371         if(!prs_uint16 (      "len", ps, depth, &str->len))
 372                 return False;
 373         if(!prs_uint8s (True, "str", ps, depth, (uchar*)str->str, MIN(str->len, sizeof(str->str)) ))
 374                 return False;
 375         return True;
 376 }
 377
 378 /*******************************************************************
 379  Inits an RPC_HDR_BBA structure.
 380 ********************************************************************/
 381
 382 static void init_rpc_hdr_bba(RPC_HDR_BBA *bba, uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid)
 383 {
 384         bba->max_tsize = max_tsize; /* maximum transmission fragment size (0x1630) */
 385         bba->max_rsize = max_rsize; /* max receive fragment size (0x1630) */
 386         bba->assoc_gid = assoc_gid; /* associated group id (0x0) */
 387 }
 388
 389 /*******************************************************************
 390  Reads or writes an RPC_HDR_BBA structure.
 391 ********************************************************************/
 392
 393 static BOOL smb_io_rpc_hdr_bba(const char *desc,  RPC_HDR_BBA *rpc, prs_struct *ps, int depth)
 394 {
 395         if (rpc == NULL)
 396                 return False;
 397
 398         prs_debug(ps, depth, desc, "smb_io_rpc_hdr_bba");
 399         depth++;
 400
 401         if(!prs_uint16("max_tsize", ps, depth, &rpc->max_tsize))
 402                 return False;
 403         if(!prs_uint16("max_rsize", ps, depth, &rpc->max_rsize))
 404                 return False;
 405         if(!prs_uint32("assoc_gid", ps, depth, &rpc->assoc_gid))
 406                 return False;
 407         return True;
 408 }
 409
 410 /*******************************************************************
 411  Inits an RPC_CONTEXT structure.
 412  Note the transfer pointer must remain valid until this is marshalled.
 413 ********************************************************************/
 414
 415 void init_rpc_context(RPC_CONTEXT *rpc_ctx, uint16 context_id, RPC_IFACE *abstract, RPC_IFACE *transfer)
 416 {
 417         rpc_ctx->context_id   = context_id   ; /* presentation context identifier (0x0) */
 418         rpc_ctx->num_transfer_syntaxes = 1 ; /* the number of syntaxes (has always been 1?)(0x1) */
 419
 420         /* num and vers. of interface client is using */
 421         rpc_ctx->abstract = *abstract;
 422
 423         /* vers. of interface to use for replies */
 424         rpc_ctx->transfer = transfer;
 425 }
 426
 427 /*******************************************************************
 428  Inits an RPC_HDR_RB structure.
 429  Note the context pointer must remain valid until this is marshalled.
 430 ********************************************************************/
 431
 432 void init_rpc_hdr_rb(RPC_HDR_RB *rpc,
 433                                 uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid,
 434                                 RPC_CONTEXT *context)
 435 {
 436         init_rpc_hdr_bba(&rpc->bba, max_tsize, max_rsize, assoc_gid);
 437
 438         rpc->num_contexts = 1;
 439         rpc->rpc_context = context;
 440 }
 441
 442 /*******************************************************************
 443  Reads or writes an RPC_CONTEXT structure.
 444 ********************************************************************/
 445
 446 BOOL smb_io_rpc_context(const char *desc, RPC_CONTEXT *rpc_ctx, prs_struct *ps, int depth)
 447 {
 448         int i;
 449
 450         if (rpc_ctx == NULL)
 451                 return False;
 452
 453         if(!prs_align(ps))
 454                 return False;
 455         if(!prs_uint16("context_id  ", ps, depth, &rpc_ctx->context_id ))
 456                 return False;
 457         if(!prs_uint8 ("num_transfer_syntaxes", ps, depth, &rpc_ctx->num_transfer_syntaxes))
 458                 return False;
 459
 460         /* num_transfer_syntaxes must not be zero. */
 461         if (rpc_ctx->num_transfer_syntaxes == 0)
 462                 return False;
 463
 464         if(!smb_io_rpc_iface("", &rpc_ctx->abstract, ps, depth))
 465                 return False;
 466
 467         if (UNMARSHALLING(ps)) {
 468                 if (!(rpc_ctx->transfer = PRS_ALLOC_MEM(ps, RPC_IFACE, rpc_ctx->num_transfer_syntaxes))) {
 469                         return False;
 470                 }
 471         }
 472
 473         for (i = 0; i < rpc_ctx->num_transfer_syntaxes; i++ ) {
 474                 if (!smb_io_rpc_iface("", &rpc_ctx->transfer[i], ps, depth))
 475                         return False;
 476         }
 477         return True;
 478 }
 479
 480 /*******************************************************************
 481  Reads or writes an RPC_HDR_RB structure.
 482 ********************************************************************/
 483
 484 BOOL smb_io_rpc_hdr_rb(const char *desc, RPC_HDR_RB *rpc, prs_struct *ps, int depth)
 485 {
 486         int i;
 487
 488         if (rpc == NULL)
 489                 return False;
 490
 491         prs_debug(ps, depth, desc, "smb_io_rpc_hdr_rb");
 492         depth++;
 493
 494         if(!smb_io_rpc_hdr_bba("", &rpc->bba, ps, depth))
 495                 return False;
 496
 497         if(!prs_uint8("num_contexts", ps, depth, &rpc->num_contexts))
 498                 return False;
 499
 500         /* 3 pad bytes following - will be mopped up by the prs_align in smb_io_rpc_context(). */
 501
 502         /* num_contexts must not be zero. */
 503         if (rpc->num_contexts == 0)
 504                 return False;
 505
 506         if (UNMARSHALLING(ps)) {
 507                 if (!(rpc->rpc_context = PRS_ALLOC_MEM(ps, RPC_CONTEXT, rpc->num_contexts))) {
 508                         return False;
 509                 }
 510         }
 511
 512         for (i = 0; i < rpc->num_contexts; i++ ) {
 513                 if (!smb_io_rpc_context("", &rpc->rpc_context[i], ps, depth))
 514                         return False;
 515         }
 516
 517         return True;
 518 }
 519
 520 /*******************************************************************
 521  Inits an RPC_RESULTS structure.
 522
 523  lkclXXXX only one reason at the moment!
 524 ********************************************************************/
 525
 526 static void init_rpc_results(RPC_RESULTS *res,
 527                                 uint8 num_results, uint16 result, uint16 reason)
 528 {
 529         res->num_results = num_results; /* the number of results (0x01) */
 530         res->result      = result     ;  /* result (0x00 = accept) */
 531         res->reason      = reason     ;  /* reason (0x00 = no reason specified) */
 532 }
 533
 534 /*******************************************************************
 535  Reads or writes an RPC_RESULTS structure.
 536
 537  lkclXXXX only one reason at the moment!
 538 ********************************************************************/
 539
 540 static BOOL smb_io_rpc_results(const char *desc, RPC_RESULTS *res, prs_struct *ps, int depth)
 541 {
 542         if (res == NULL)
 543                 return False;
 544
 545         prs_debug(ps, depth, desc, "smb_io_rpc_results");
 546         depth++;
 547
 548         if(!prs_align(ps))
 549                 return False;
 550
 551         if(!prs_uint8 ("num_results", ps, depth, &res->num_results))
 552                 return False;
 553
 554         if(!prs_align(ps))
 555                 return False;
 556
 557         if(!prs_uint16("result     ", ps, depth, &res->result))
 558                 return False;
 559         if(!prs_uint16("reason     ", ps, depth, &res->reason))
 560                 return False;
 561         return True;
 562 }
 563
 564 /*******************************************************************
 565  Init an RPC_HDR_BA structure.
 566
 567  lkclXXXX only one reason at the moment!
 568
 569 ********************************************************************/
 570
 571 void init_rpc_hdr_ba(RPC_HDR_BA *rpc,
 572                                 uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid,
 573                                 const char *pipe_addr,
 574                                 uint8 num_results, uint16 result, uint16 reason,
 575                                 RPC_IFACE *transfer)
 576 {
 577         init_rpc_hdr_bba (&rpc->bba, max_tsize, max_rsize, assoc_gid);
 578         init_rpc_addr_str(&rpc->addr, pipe_addr);
 579         init_rpc_results (&rpc->res, num_results, result, reason);
 580
 581         /* the transfer syntax from the request */
 582         memcpy(&rpc->transfer, transfer, sizeof(rpc->transfer));
 583 }
 584
 585 /*******************************************************************
 586  Reads or writes an RPC_HDR_BA structure.
 587 ********************************************************************/
 588
 589 BOOL smb_io_rpc_hdr_ba(const char *desc, RPC_HDR_BA *rpc, prs_struct *ps, int depth)
 590 {
 591         if (rpc == NULL)
 592                 return False;
 593
 594         prs_debug(ps, depth, desc, "smb_io_rpc_hdr_ba");
 595         depth++;
 596
 597         if(!smb_io_rpc_hdr_bba("", &rpc->bba, ps, depth))
 598                 return False;
 599         if(!smb_io_rpc_addr_str("", &rpc->addr, ps, depth))
 600                 return False;
 601         if(!smb_io_rpc_results("", &rpc->res, ps, depth))
 602                 return False;
 603         if(!smb_io_rpc_iface("", &rpc->transfer, ps, depth))
 604                 return False;
 605         return True;
 606 }
 607
 608 /*******************************************************************
 609  Init an RPC_HDR_REQ structure.
 610 ********************************************************************/
 611
 612 void init_rpc_hdr_req(RPC_HDR_REQ *hdr, uint32 alloc_hint, uint16 opnum)
 613 {
 614         hdr->alloc_hint   = alloc_hint; /* allocation hint */
 615         hdr->context_id   = 0;         /* presentation context identifier */
 616         hdr->opnum        = opnum;     /* opnum */
 617 }
 618
 619 /*******************************************************************
 620  Reads or writes an RPC_HDR_REQ structure.
 621 ********************************************************************/
 622
 623 BOOL smb_io_rpc_hdr_req(const char *desc, RPC_HDR_REQ *rpc, prs_struct *ps, int depth)
 624 {
 625         if (rpc == NULL)
 626                 return False;
 627
 628         prs_debug(ps, depth, desc, "smb_io_rpc_hdr_req");
 629         depth++;
 630
 631         if(!prs_uint32("alloc_hint", ps, depth, &rpc->alloc_hint))
 632                 return False;
 633         if(!prs_uint16("context_id", ps, depth, &rpc->context_id))
 634                 return False;
 635         if(!prs_uint16("opnum     ", ps, depth, &rpc->opnum))
 636                 return False;
 637         return True;
 638 }
 639
 640 /*******************************************************************
 641  Reads or writes an RPC_HDR_RESP structure.
 642 ********************************************************************/
 643
 644 BOOL smb_io_rpc_hdr_resp(const char *desc, RPC_HDR_RESP *rpc, prs_struct *ps, int depth)
 645 {
 646         if (rpc == NULL)
 647                 return False;
 648
 649         prs_debug(ps, depth, desc, "smb_io_rpc_hdr_resp");
 650         depth++;
 651
 652         if(!prs_uint32("alloc_hint", ps, depth, &rpc->alloc_hint))
 653                 return False;
 654         if(!prs_uint16("context_id", ps, depth, &rpc->context_id))
 655                 return False;
 656         if(!prs_uint8 ("cancel_ct ", ps, depth, &rpc->cancel_count))
 657                 return False;
 658         if(!prs_uint8 ("reserved  ", ps, depth, &rpc->reserved))
 659                 return False;
 660         return True;
 661 }
 662
 663 /*******************************************************************
 664  Reads or writes an RPC_HDR_FAULT structure.
 665 ********************************************************************/
 666
 667 BOOL smb_io_rpc_hdr_fault(const char *desc, RPC_HDR_FAULT *rpc, prs_struct *ps, int depth)
 668 {
 669         if (rpc == NULL)
 670                 return False;
 671
 672         prs_debug(ps, depth, desc, "smb_io_rpc_hdr_fault");
 673         depth++;
 674
 675         if(!prs_dcerpc_status("status  ", ps, depth, &rpc->status))
 676                 return False;
 677         if(!prs_uint32("reserved", ps, depth, &rpc->reserved))
 678                 return False;
 679
 680     return True;
 681 }
 682
 683 /*******************************************************************
 684  Inits an RPC_HDR_AUTH structure.
 685 ********************************************************************/
 686
 687 void init_rpc_hdr_auth(RPC_HDR_AUTH *rai,
 688                                 uint8 auth_type, uint8 auth_level,
 689                                 uint8 auth_pad_len,
 690                                 uint32 auth_context_id)
 691 {
 692         rai->auth_type     = auth_type;
 693         rai->auth_level    = auth_level;
 694         rai->auth_pad_len  = auth_pad_len;
 695         rai->auth_reserved = 0;
 696         rai->auth_context_id = auth_context_id;
 697 }
 698
 699 /*******************************************************************
 700  Reads or writes an RPC_HDR_AUTH structure.
 701 ********************************************************************/
 702
 703 BOOL smb_io_rpc_hdr_auth(const char *desc, RPC_HDR_AUTH *rai, prs_struct *ps, int depth)
 704 {
 705         if (rai == NULL)
 706                 return False;
 707
 708         prs_debug(ps, depth, desc, "smb_io_rpc_hdr_auth");
 709         depth++;
 710
 711         if(!prs_align(ps))
 712                 return False;
 713
 714         if(!prs_uint8 ("auth_type    ", ps, depth, &rai->auth_type))
 715                 return False;
 716         if(!prs_uint8 ("auth_level   ", ps, depth, &rai->auth_level))
 717                 return False;
 718         if(!prs_uint8 ("auth_pad_len ", ps, depth, &rai->auth_pad_len))
 719                 return False;
 720         if(!prs_uint8 ("auth_reserved", ps, depth, &rai->auth_reserved))
 721                 return False;
 722         if(!prs_uint32("auth_context_id", ps, depth, &rai->auth_context_id))
 723                 return False;
 724
 725         return True;
 726 }
 727
 728 /*******************************************************************
 729  Checks an RPC_AUTH_VERIFIER structure.
 730 ********************************************************************/
 731
 732 BOOL rpc_auth_verifier_chk(RPC_AUTH_VERIFIER *rav,
 733                                 const char *signature, uint32 msg_type)
 734 {
 735         return (strequal(rav->signature, signature) && rav->msg_type == msg_type);
 736 }
 737
 738 /*******************************************************************
 739  Inits an RPC_AUTH_VERIFIER structure.
 740 ********************************************************************/
 741
 742 void init_rpc_auth_verifier(RPC_AUTH_VERIFIER *rav,
 743                                 const char *signature, uint32 msg_type)
 744 {
 745         fstrcpy(rav->signature, signature); /* "NTLMSSP" */
 746         rav->msg_type = msg_type; /* NTLMSSP_MESSAGE_TYPE */
 747 }
 748
 749 /*******************************************************************
 750  Reads or writes an RPC_AUTH_VERIFIER structure.
 751 ********************************************************************/
 752
 753 BOOL smb_io_rpc_auth_verifier(const char *desc, RPC_AUTH_VERIFIER *rav, prs_struct *ps, int depth)
 754 {
 755         if (rav == NULL)
 756                 return False;
 757
 758         prs_debug(ps, depth, desc, "smb_io_rpc_auth_verifier");
 759         depth++;
 760
 761         /* "NTLMSSP" */
 762         if(!prs_string("signature", ps, depth, rav->signature,
 763                         sizeof(rav->signature)))
 764                 return False;
 765         if(!prs_uint32("msg_type ", ps, depth, &rav->msg_type)) /* NTLMSSP_MESSAGE_TYPE */
 766                 return False;
 767
 768         return True;
 769 }
 770
 771 /*******************************************************************
 772  This parses an RPC_AUTH_VERIFIER for schannel. I think
 773 ********************************************************************/
 774
 775 BOOL smb_io_rpc_schannel_verifier(const char *desc, RPC_AUTH_VERIFIER *rav, prs_struct *ps, int depth)
 776 {
 777         if (rav == NULL)
 778                 return False;
 779
 780         prs_debug(ps, depth, desc, "smb_io_rpc_schannel_verifier");
 781         depth++;
 782
 783         if(!prs_string("signature", ps, depth, rav->signature, sizeof(rav->signature)))
 784                 return False;
 785         if(!prs_uint32("msg_type ", ps, depth, &rav->msg_type))
 786                 return False;
 787
 788         return True;
 789 }
 790
 791 /*******************************************************************
 792 creates an RPC_AUTH_SCHANNEL_NEG structure.
 793 ********************************************************************/
 794
 795 void init_rpc_auth_schannel_neg(RPC_AUTH_SCHANNEL_NEG *neg,
 796                               const char *domain, const char *myname)
 797 {
 798         neg->type1 = 0;
 799         neg->type2 = 0x3;
 800         fstrcpy(neg->domain, domain);
 801         fstrcpy(neg->myname, myname);
 802 }
 803
 804 /*******************************************************************
 805  Reads or writes an RPC_AUTH_SCHANNEL_NEG structure.
 806 ********************************************************************/
 807
 808 BOOL smb_io_rpc_auth_schannel_neg(const char *desc, RPC_AUTH_SCHANNEL_NEG *neg,
 809                                 prs_struct *ps, int depth)
 810 {
 811         if (neg == NULL)
 812                 return False;
 813
 814         prs_debug(ps, depth, desc, "smb_io_rpc_auth_schannel_neg");
 815         depth++;
 816
 817         if(!prs_align(ps))
 818                 return False;
 819
 820         if(!prs_uint32("type1", ps, depth, &neg->type1))
 821                 return False;
 822         if(!prs_uint32("type2", ps, depth, &neg->type2))
 823                 return False;
 824         if(!prs_string("domain  ", ps, depth, neg->domain, sizeof(neg->domain)))
 825                 return False;
 826         if(!prs_string("myname  ", ps, depth, neg->myname, sizeof(neg->myname)))
 827                 return False;
 828
 829         return True;
 830 }
 831
 832 /*******************************************************************
 833 reads or writes an RPC_AUTH_SCHANNEL_CHK structure.
 834 ********************************************************************/
 835
 836 BOOL smb_io_rpc_auth_schannel_chk(const char *desc, int auth_len,
 837                                 RPC_AUTH_SCHANNEL_CHK * chk,
 838                                 prs_struct *ps, int depth)
 839 {
 840         if (chk == NULL)
 841                 return False;
 842
 843         prs_debug(ps, depth, desc, "smb_io_rpc_auth_schannel_chk");
 844         depth++;
 845
 846         if ( !prs_uint8s(False, "sig  ", ps, depth, chk->sig, sizeof(chk->sig)) )
 847                 return False;
 848
 849         if ( !prs_uint8s(False, "seq_num", ps, depth, chk->seq_num, sizeof(chk->seq_num)) )
 850                 return False;
 851
 852         if ( !prs_uint8s(False, "packet_digest", ps, depth, chk->packet_digest, sizeof(chk->packet_digest)) )
 853                 return False;
 854
 855         if ( auth_len == RPC_AUTH_SCHANNEL_SIGN_OR_SEAL_CHK_LEN ) {
 856                 if ( !prs_uint8s(False, "confounder", ps, depth, chk->confounder, sizeof(chk->confounder)) )
 857                         return False;
 858         }
 859
 860         return True;
 861 }