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 3 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 #define SYNT_EPMAPPER_V3                                        \
 215 {                                                                                       \
 216         {                                                                               \
 217                 0xe1af8308, 0x5d1f,0x11c9, \
 218                 { 0x91,0xa4},                                           \
 219                          {0x08,0x00,                            \
 220                               0x2b,0x14,0xa0,0xfa}      \
 221         }, 0x03 \
 222 }
 223
 224 /*
 225  * IMPORTANT!!  If you update this structure, make sure to
 226  * update the index #defines in smb.h.
 227  */
 228
 229 const struct pipe_id_info pipe_names [] =
 230 {
 231         /* client pipe , abstract syntax       , server pipe   , transfer syntax */
 232         { PIPE_LSARPC  , SYNT_LSARPC_V0        , PIPE_LSASS    , TRANS_SYNT_V2 },
 233         { PIPE_LSARPC  , SYNT_LSARPC_V0_DS     , PIPE_LSASS    , TRANS_SYNT_V2 },
 234         { PIPE_SAMR    , SYNT_SAMR_V1          , PIPE_LSASS    , TRANS_SYNT_V2 },
 235         { PIPE_NETLOGON, SYNT_NETLOGON_V1      , PIPE_LSASS    , TRANS_SYNT_V2 },
 236         { PIPE_SRVSVC  , SYNT_SRVSVC_V3        , PIPE_NTSVCS   , TRANS_SYNT_V2 },
 237         { PIPE_WKSSVC  , SYNT_WKSSVC_V1        , PIPE_NTSVCS   , TRANS_SYNT_V2 },
 238         { PIPE_WINREG  , SYNT_WINREG_V1        , PIPE_WINREG   , TRANS_SYNT_V2 },
 239         { PIPE_SPOOLSS , SYNT_SPOOLSS_V1       , PIPE_SPOOLSS  , TRANS_SYNT_V2 },
 240         { PIPE_NETDFS  , SYNT_NETDFS_V3        , PIPE_NETDFS   , TRANS_SYNT_V2 },
 241         { PIPE_ECHO    , SYNT_ECHO_V1          , PIPE_ECHO     , TRANS_SYNT_V2 },
 242         { PIPE_SHUTDOWN, SYNT_SHUTDOWN_V1      , PIPE_SHUTDOWN , TRANS_SYNT_V2 },
 243         { PIPE_SVCCTL  , SYNT_SVCCTL_V2        , PIPE_NTSVCS   , TRANS_SYNT_V2 },
 244         { PIPE_EVENTLOG, SYNT_EVENTLOG_V0      , PIPE_EVENTLOG , TRANS_SYNT_V2 },
 245         { PIPE_UNIXINFO, SYNT_UNIXINFO_V0      , PIPE_UNIXINFO , TRANS_SYNT_V2 },
 246         { PIPE_NTSVCS  , SYNT_NTSVCS_V1        , PIPE_NTSVCS   , TRANS_SYNT_V2 },
 247         { PIPE_EPMAPPER, SYNT_EPMAPPER_V3          , PIPE_EPMAPPER , TRANS_SYNT_V2 },
 248         { NULL         , SYNT_NONE_V0          , NULL          , SYNT_NONE_V0  }
 249 };
 250
 251 /****************************************************************************
 252  Return the pipe name from the index.
 253  ****************************************************************************/
 254
 255 const char *cli_get_pipe_name(int pipe_idx)
 256 {
 257         return &pipe_names[pipe_idx].client_pipe[5];
 258 }
 259
 260 /*******************************************************************
 261  Inits an RPC_HDR structure.
 262 ********************************************************************/
 263
 264 void init_rpc_hdr(RPC_HDR *hdr, enum RPC_PKT_TYPE pkt_type, uint8 flags,
 265                                 uint32 call_id, int data_len, int auth_len)
 266 {
 267         hdr->major        = 5;               /* RPC version 5 */
 268         hdr->minor        = 0;               /* minor version 0 */
 269         hdr->pkt_type     = pkt_type;        /* RPC packet type */
 270         hdr->flags        = flags;           /* dce/rpc flags */
 271         hdr->pack_type[0] = 0x10;            /* little-endian data representation */
 272         hdr->pack_type[1] = 0;               /* packed data representation */
 273         hdr->pack_type[2] = 0;               /* packed data representation */
 274         hdr->pack_type[3] = 0;               /* packed data representation */
 275         hdr->frag_len     = data_len;        /* fragment length, fill in later */
 276         hdr->auth_len     = auth_len;        /* authentication length */
 277         hdr->call_id      = call_id;         /* call identifier - match incoming RPC */
 278 }
 279
 280 /*******************************************************************
 281  Reads or writes an RPC_HDR structure.
 282 ********************************************************************/
 283
 284 BOOL smb_io_rpc_hdr(const char *desc,  RPC_HDR *rpc, prs_struct *ps, int depth)
 285 {
 286         if (rpc == NULL)
 287                 return False;
 288
 289         prs_debug(ps, depth, desc, "smb_io_rpc_hdr");
 290         depth++;
 291
 292         if(!prs_uint8 ("major     ", ps, depth, &rpc->major))
 293                 return False;
 294
 295         if(!prs_uint8 ("minor     ", ps, depth, &rpc->minor))
 296                 return False;
 297         if(!prs_uint8 ("pkt_type  ", ps, depth, &rpc->pkt_type))
 298                 return False;
 299         if(!prs_uint8 ("flags     ", ps, depth, &rpc->flags))
 300                 return False;
 301
 302         /* We always marshall in little endian format. */
 303         if (MARSHALLING(ps))
 304                 rpc->pack_type[0] = 0x10;
 305
 306         if(!prs_uint8("pack_type0", ps, depth, &rpc->pack_type[0]))
 307                 return False;
 308         if(!prs_uint8("pack_type1", ps, depth, &rpc->pack_type[1]))
 309                 return False;
 310         if(!prs_uint8("pack_type2", ps, depth, &rpc->pack_type[2]))
 311                 return False;
 312         if(!prs_uint8("pack_type3", ps, depth, &rpc->pack_type[3]))
 313                 return False;
 314
 315         /*
 316          * If reading and pack_type[0] == 0 then the data is in big-endian
 317          * format. Set the flag in the prs_struct to specify reverse-endainness.
 318          */
 319
 320         if (UNMARSHALLING(ps) && rpc->pack_type[0] == 0) {
 321                 DEBUG(10,("smb_io_rpc_hdr: PDU data format is big-endian. Setting flag.\n"));
 322                 prs_set_endian_data(ps, RPC_BIG_ENDIAN);
 323         }
 324
 325         if(!prs_uint16("frag_len  ", ps, depth, &rpc->frag_len))
 326                 return False;
 327         if(!prs_uint16("auth_len  ", ps, depth, &rpc->auth_len))
 328                 return False;
 329         if(!prs_uint32("call_id   ", ps, depth, &rpc->call_id))
 330                 return False;
 331         return True;
 332 }
 333
 334 /*******************************************************************
 335  Reads or writes an RPC_IFACE structure.
 336 ********************************************************************/
 337
 338 static BOOL smb_io_rpc_iface(const char *desc, RPC_IFACE *ifc, prs_struct *ps, int depth)
 339 {
 340         if (ifc == NULL)
 341                 return False;
 342
 343         prs_debug(ps, depth, desc, "smb_io_rpc_iface");
 344         depth++;
 345
 346         if (!prs_align(ps))
 347                 return False;
 348
 349         if (!smb_io_uuid(  "uuid", &ifc->uuid, ps, depth))
 350                 return False;
 351
 352         if(!prs_uint32 ("version", ps, depth, &ifc->version))
 353                 return False;
 354
 355         return True;
 356 }
 357
 358 /*******************************************************************
 359  Inits an RPC_ADDR_STR structure.
 360 ********************************************************************/
 361
 362 static void init_rpc_addr_str(RPC_ADDR_STR *str, const char *name)
 363 {
 364         str->len = strlen(name) + 1;
 365         fstrcpy(str->str, name);
 366 }
 367
 368 /*******************************************************************
 369  Reads or writes an RPC_ADDR_STR structure.
 370 ********************************************************************/
 371
 372 static BOOL smb_io_rpc_addr_str(const char *desc,  RPC_ADDR_STR *str, prs_struct *ps, int depth)
 373 {
 374         if (str == NULL)
 375                 return False;
 376
 377         prs_debug(ps, depth, desc, "smb_io_rpc_addr_str");
 378         depth++;
 379         if(!prs_align(ps))
 380                 return False;
 381
 382         if(!prs_uint16 (      "len", ps, depth, &str->len))
 383                 return False;
 384         if(!prs_uint8s (True, "str", ps, depth, (uchar*)str->str, MIN(str->len, sizeof(str->str)) ))
 385                 return False;
 386         return True;
 387 }
 388
 389 /*******************************************************************
 390  Inits an RPC_HDR_BBA structure.
 391 ********************************************************************/
 392
 393 static void init_rpc_hdr_bba(RPC_HDR_BBA *bba, uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid)
 394 {
 395         bba->max_tsize = max_tsize; /* maximum transmission fragment size (0x1630) */
 396         bba->max_rsize = max_rsize; /* max receive fragment size (0x1630) */
 397         bba->assoc_gid = assoc_gid; /* associated group id (0x0) */
 398 }
 399
 400 /*******************************************************************
 401  Reads or writes an RPC_HDR_BBA structure.
 402 ********************************************************************/
 403
 404 static BOOL smb_io_rpc_hdr_bba(const char *desc,  RPC_HDR_BBA *rpc, prs_struct *ps, int depth)
 405 {
 406         if (rpc == NULL)
 407                 return False;
 408
 409         prs_debug(ps, depth, desc, "smb_io_rpc_hdr_bba");
 410         depth++;
 411
 412         if(!prs_uint16("max_tsize", ps, depth, &rpc->max_tsize))
 413                 return False;
 414         if(!prs_uint16("max_rsize", ps, depth, &rpc->max_rsize))
 415                 return False;
 416         if(!prs_uint32("assoc_gid", ps, depth, &rpc->assoc_gid))
 417                 return False;
 418         return True;
 419 }
 420
 421 /*******************************************************************
 422  Inits an RPC_CONTEXT structure.
 423  Note the transfer pointer must remain valid until this is marshalled.
 424 ********************************************************************/
 425
 426 void init_rpc_context(RPC_CONTEXT *rpc_ctx, uint16 context_id, RPC_IFACE *abstract, RPC_IFACE *transfer)
 427 {
 428         rpc_ctx->context_id   = context_id   ; /* presentation context identifier (0x0) */
 429         rpc_ctx->num_transfer_syntaxes = 1 ; /* the number of syntaxes (has always been 1?)(0x1) */
 430
 431         /* num and vers. of interface client is using */
 432         rpc_ctx->abstract = *abstract;
 433
 434         /* vers. of interface to use for replies */
 435         rpc_ctx->transfer = transfer;
 436 }
 437
 438 /*******************************************************************
 439  Inits an RPC_HDR_RB structure.
 440  Note the context pointer must remain valid until this is marshalled.
 441 ********************************************************************/
 442
 443 void init_rpc_hdr_rb(RPC_HDR_RB *rpc,
 444                                 uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid,
 445                                 RPC_CONTEXT *context)
 446 {
 447         init_rpc_hdr_bba(&rpc->bba, max_tsize, max_rsize, assoc_gid);
 448
 449         rpc->num_contexts = 1;
 450         rpc->rpc_context = context;
 451 }
 452
 453 /*******************************************************************
 454  Reads or writes an RPC_CONTEXT structure.
 455 ********************************************************************/
 456
 457 BOOL smb_io_rpc_context(const char *desc, RPC_CONTEXT *rpc_ctx, prs_struct *ps, int depth)
 458 {
 459         int i;
 460
 461         if (rpc_ctx == NULL)
 462                 return False;
 463
 464         if(!prs_align(ps))
 465                 return False;
 466         if(!prs_uint16("context_id  ", ps, depth, &rpc_ctx->context_id ))
 467                 return False;
 468         if(!prs_uint8 ("num_transfer_syntaxes", ps, depth, &rpc_ctx->num_transfer_syntaxes))
 469                 return False;
 470
 471         /* num_transfer_syntaxes must not be zero. */
 472         if (rpc_ctx->num_transfer_syntaxes == 0)
 473                 return False;
 474
 475         if(!smb_io_rpc_iface("", &rpc_ctx->abstract, ps, depth))
 476                 return False;
 477
 478         if (UNMARSHALLING(ps)) {
 479                 if (!(rpc_ctx->transfer = PRS_ALLOC_MEM(ps, RPC_IFACE, rpc_ctx->num_transfer_syntaxes))) {
 480                         return False;
 481                 }
 482         }
 483
 484         for (i = 0; i < rpc_ctx->num_transfer_syntaxes; i++ ) {
 485                 if (!smb_io_rpc_iface("", &rpc_ctx->transfer[i], ps, depth))
 486                         return False;
 487         }
 488         return True;
 489 }
 490
 491 /*******************************************************************
 492  Reads or writes an RPC_HDR_RB structure.
 493 ********************************************************************/
 494
 495 BOOL smb_io_rpc_hdr_rb(const char *desc, RPC_HDR_RB *rpc, prs_struct *ps, int depth)
 496 {
 497         int i;
 498
 499         if (rpc == NULL)
 500                 return False;
 501
 502         prs_debug(ps, depth, desc, "smb_io_rpc_hdr_rb");
 503         depth++;
 504
 505         if(!smb_io_rpc_hdr_bba("", &rpc->bba, ps, depth))
 506                 return False;
 507
 508         if(!prs_uint8("num_contexts", ps, depth, &rpc->num_contexts))
 509                 return False;
 510
 511         /* 3 pad bytes following - will be mopped up by the prs_align in smb_io_rpc_context(). */
 512
 513         /* num_contexts must not be zero. */
 514         if (rpc->num_contexts == 0)
 515                 return False;
 516
 517         if (UNMARSHALLING(ps)) {
 518                 if (!(rpc->rpc_context = PRS_ALLOC_MEM(ps, RPC_CONTEXT, rpc->num_contexts))) {
 519                         return False;
 520                 }
 521         }
 522
 523         for (i = 0; i < rpc->num_contexts; i++ ) {
 524                 if (!smb_io_rpc_context("", &rpc->rpc_context[i], ps, depth))
 525                         return False;
 526         }
 527
 528         return True;
 529 }
 530
 531 /*******************************************************************
 532  Inits an RPC_RESULTS structure.
 533
 534  lkclXXXX only one reason at the moment!
 535 ********************************************************************/
 536
 537 static void init_rpc_results(RPC_RESULTS *res,
 538                                 uint8 num_results, uint16 result, uint16 reason)
 539 {
 540         res->num_results = num_results; /* the number of results (0x01) */
 541         res->result      = result     ;  /* result (0x00 = accept) */
 542         res->reason      = reason     ;  /* reason (0x00 = no reason specified) */
 543 }
 544
 545 /*******************************************************************
 546  Reads or writes an RPC_RESULTS structure.
 547
 548  lkclXXXX only one reason at the moment!
 549 ********************************************************************/
 550
 551 static BOOL smb_io_rpc_results(const char *desc, RPC_RESULTS *res, prs_struct *ps, int depth)
 552 {
 553         if (res == NULL)
 554                 return False;
 555
 556         prs_debug(ps, depth, desc, "smb_io_rpc_results");
 557         depth++;
 558
 559         if(!prs_align(ps))
 560                 return False;
 561
 562         if(!prs_uint8 ("num_results", ps, depth, &res->num_results))
 563                 return False;
 564
 565         if(!prs_align(ps))
 566                 return False;
 567
 568         if(!prs_uint16("result     ", ps, depth, &res->result))
 569                 return False;
 570         if(!prs_uint16("reason     ", ps, depth, &res->reason))
 571                 return False;
 572         return True;
 573 }
 574
 575 /*******************************************************************
 576  Init an RPC_HDR_BA structure.
 577
 578  lkclXXXX only one reason at the moment!
 579
 580 ********************************************************************/
 581
 582 void init_rpc_hdr_ba(RPC_HDR_BA *rpc,
 583                                 uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid,
 584                                 const char *pipe_addr,
 585                                 uint8 num_results, uint16 result, uint16 reason,
 586                                 RPC_IFACE *transfer)
 587 {
 588         init_rpc_hdr_bba (&rpc->bba, max_tsize, max_rsize, assoc_gid);
 589         init_rpc_addr_str(&rpc->addr, pipe_addr);
 590         init_rpc_results (&rpc->res, num_results, result, reason);
 591
 592         /* the transfer syntax from the request */
 593         memcpy(&rpc->transfer, transfer, sizeof(rpc->transfer));
 594 }
 595
 596 /*******************************************************************
 597  Reads or writes an RPC_HDR_BA structure.
 598 ********************************************************************/
 599
 600 BOOL smb_io_rpc_hdr_ba(const char *desc, RPC_HDR_BA *rpc, prs_struct *ps, int depth)
 601 {
 602         if (rpc == NULL)
 603                 return False;
 604
 605         prs_debug(ps, depth, desc, "smb_io_rpc_hdr_ba");
 606         depth++;
 607
 608         if(!smb_io_rpc_hdr_bba("", &rpc->bba, ps, depth))
 609                 return False;
 610         if(!smb_io_rpc_addr_str("", &rpc->addr, ps, depth))
 611                 return False;
 612         if(!smb_io_rpc_results("", &rpc->res, ps, depth))
 613                 return False;
 614         if(!smb_io_rpc_iface("", &rpc->transfer, ps, depth))
 615                 return False;
 616         return True;
 617 }
 618
 619 /*******************************************************************
 620  Init an RPC_HDR_REQ structure.
 621 ********************************************************************/
 622
 623 void init_rpc_hdr_req(RPC_HDR_REQ *hdr, uint32 alloc_hint, uint16 opnum)
 624 {
 625         hdr->alloc_hint   = alloc_hint; /* allocation hint */
 626         hdr->context_id   = 0;         /* presentation context identifier */
 627         hdr->opnum        = opnum;     /* opnum */
 628 }
 629
 630 /*******************************************************************
 631  Reads or writes an RPC_HDR_REQ structure.
 632 ********************************************************************/
 633
 634 BOOL smb_io_rpc_hdr_req(const char *desc, RPC_HDR_REQ *rpc, prs_struct *ps, int depth)
 635 {
 636         if (rpc == NULL)
 637                 return False;
 638
 639         prs_debug(ps, depth, desc, "smb_io_rpc_hdr_req");
 640         depth++;
 641
 642         if(!prs_uint32("alloc_hint", ps, depth, &rpc->alloc_hint))
 643                 return False;
 644         if(!prs_uint16("context_id", ps, depth, &rpc->context_id))
 645                 return False;
 646         if(!prs_uint16("opnum     ", ps, depth, &rpc->opnum))
 647                 return False;
 648         return True;
 649 }
 650
 651 /*******************************************************************
 652  Reads or writes an RPC_HDR_RESP structure.
 653 ********************************************************************/
 654
 655 BOOL smb_io_rpc_hdr_resp(const char *desc, RPC_HDR_RESP *rpc, prs_struct *ps, int depth)
 656 {
 657         if (rpc == NULL)
 658                 return False;
 659
 660         prs_debug(ps, depth, desc, "smb_io_rpc_hdr_resp");
 661         depth++;
 662
 663         if(!prs_uint32("alloc_hint", ps, depth, &rpc->alloc_hint))
 664                 return False;
 665         if(!prs_uint16("context_id", ps, depth, &rpc->context_id))
 666                 return False;
 667         if(!prs_uint8 ("cancel_ct ", ps, depth, &rpc->cancel_count))
 668                 return False;
 669         if(!prs_uint8 ("reserved  ", ps, depth, &rpc->reserved))
 670                 return False;
 671         return True;
 672 }
 673
 674 /*******************************************************************
 675  Reads or writes an RPC_HDR_FAULT structure.
 676 ********************************************************************/
 677
 678 BOOL smb_io_rpc_hdr_fault(const char *desc, RPC_HDR_FAULT *rpc, prs_struct *ps, int depth)
 679 {
 680         if (rpc == NULL)
 681                 return False;
 682
 683         prs_debug(ps, depth, desc, "smb_io_rpc_hdr_fault");
 684         depth++;
 685
 686         if(!prs_dcerpc_status("status  ", ps, depth, &rpc->status))
 687                 return False;
 688         if(!prs_uint32("reserved", ps, depth, &rpc->reserved))
 689                 return False;
 690
 691     return True;
 692 }
 693
 694 /*******************************************************************
 695  Inits an RPC_HDR_AUTH structure.
 696 ********************************************************************/
 697
 698 void init_rpc_hdr_auth(RPC_HDR_AUTH *rai,
 699                                 uint8 auth_type, uint8 auth_level,
 700                                 uint8 auth_pad_len,
 701                                 uint32 auth_context_id)
 702 {
 703         rai->auth_type     = auth_type;
 704         rai->auth_level    = auth_level;
 705         rai->auth_pad_len  = auth_pad_len;
 706         rai->auth_reserved = 0;
 707         rai->auth_context_id = auth_context_id;
 708 }
 709
 710 /*******************************************************************
 711  Reads or writes an RPC_HDR_AUTH structure.
 712 ********************************************************************/
 713
 714 BOOL smb_io_rpc_hdr_auth(const char *desc, RPC_HDR_AUTH *rai, prs_struct *ps, int depth)
 715 {
 716         if (rai == NULL)
 717                 return False;
 718
 719         prs_debug(ps, depth, desc, "smb_io_rpc_hdr_auth");
 720         depth++;
 721
 722         if(!prs_align(ps))
 723                 return False;
 724
 725         if(!prs_uint8 ("auth_type    ", ps, depth, &rai->auth_type))
 726                 return False;
 727         if(!prs_uint8 ("auth_level   ", ps, depth, &rai->auth_level))
 728                 return False;
 729         if(!prs_uint8 ("auth_pad_len ", ps, depth, &rai->auth_pad_len))
 730                 return False;
 731         if(!prs_uint8 ("auth_reserved", ps, depth, &rai->auth_reserved))
 732                 return False;
 733         if(!prs_uint32("auth_context_id", ps, depth, &rai->auth_context_id))
 734                 return False;
 735
 736         return True;
 737 }
 738
 739 /*******************************************************************
 740  Checks an RPC_AUTH_VERIFIER structure.
 741 ********************************************************************/
 742
 743 BOOL rpc_auth_verifier_chk(RPC_AUTH_VERIFIER *rav,
 744                                 const char *signature, uint32 msg_type)
 745 {
 746         return (strequal(rav->signature, signature) && rav->msg_type == msg_type);
 747 }
 748
 749 /*******************************************************************
 750  Inits an RPC_AUTH_VERIFIER structure.
 751 ********************************************************************/
 752
 753 void init_rpc_auth_verifier(RPC_AUTH_VERIFIER *rav,
 754                                 const char *signature, uint32 msg_type)
 755 {
 756         fstrcpy(rav->signature, signature); /* "NTLMSSP" */
 757         rav->msg_type = msg_type; /* NTLMSSP_MESSAGE_TYPE */
 758 }
 759
 760 /*******************************************************************
 761  Reads or writes an RPC_AUTH_VERIFIER structure.
 762 ********************************************************************/
 763
 764 BOOL smb_io_rpc_auth_verifier(const char *desc, RPC_AUTH_VERIFIER *rav, prs_struct *ps, int depth)
 765 {
 766         if (rav == NULL)
 767                 return False;
 768
 769         prs_debug(ps, depth, desc, "smb_io_rpc_auth_verifier");
 770         depth++;
 771
 772         /* "NTLMSSP" */
 773         if(!prs_string("signature", ps, depth, rav->signature,
 774                         sizeof(rav->signature)))
 775                 return False;
 776         if(!prs_uint32("msg_type ", ps, depth, &rav->msg_type)) /* NTLMSSP_MESSAGE_TYPE */
 777                 return False;
 778
 779         return True;
 780 }
 781
 782 /*******************************************************************
 783  This parses an RPC_AUTH_VERIFIER for schannel. I think
 784 ********************************************************************/
 785
 786 BOOL smb_io_rpc_schannel_verifier(const char *desc, RPC_AUTH_VERIFIER *rav, prs_struct *ps, int depth)
 787 {
 788         if (rav == NULL)
 789                 return False;
 790
 791         prs_debug(ps, depth, desc, "smb_io_rpc_schannel_verifier");
 792         depth++;
 793
 794         if(!prs_string("signature", ps, depth, rav->signature, sizeof(rav->signature)))
 795                 return False;
 796         if(!prs_uint32("msg_type ", ps, depth, &rav->msg_type))
 797                 return False;
 798
 799         return True;
 800 }
 801
 802 /*******************************************************************
 803 creates an RPC_AUTH_SCHANNEL_NEG structure.
 804 ********************************************************************/
 805
 806 void init_rpc_auth_schannel_neg(RPC_AUTH_SCHANNEL_NEG *neg,
 807                               const char *domain, const char *myname)
 808 {
 809         neg->type1 = 0;
 810         neg->type2 = 0x3;
 811         fstrcpy(neg->domain, domain);
 812         fstrcpy(neg->myname, myname);
 813 }
 814
 815 /*******************************************************************
 816  Reads or writes an RPC_AUTH_SCHANNEL_NEG structure.
 817 ********************************************************************/
 818
 819 BOOL smb_io_rpc_auth_schannel_neg(const char *desc, RPC_AUTH_SCHANNEL_NEG *neg,
 820                                 prs_struct *ps, int depth)
 821 {
 822         if (neg == NULL)
 823                 return False;
 824
 825         prs_debug(ps, depth, desc, "smb_io_rpc_auth_schannel_neg");
 826         depth++;
 827
 828         if(!prs_align(ps))
 829                 return False;
 830
 831         if(!prs_uint32("type1", ps, depth, &neg->type1))
 832                 return False;
 833         if(!prs_uint32("type2", ps, depth, &neg->type2))
 834                 return False;
 835         if(!prs_string("domain  ", ps, depth, neg->domain, sizeof(neg->domain)))
 836                 return False;
 837         if(!prs_string("myname  ", ps, depth, neg->myname, sizeof(neg->myname)))
 838                 return False;
 839
 840         return True;
 841 }
 842
 843 /*******************************************************************
 844 reads or writes an RPC_AUTH_SCHANNEL_CHK structure.
 845 ********************************************************************/
 846
 847 BOOL smb_io_rpc_auth_schannel_chk(const char *desc, int auth_len,
 848                                 RPC_AUTH_SCHANNEL_CHK * chk,
 849                                 prs_struct *ps, int depth)
 850 {
 851         if (chk == NULL)
 852                 return False;
 853
 854         prs_debug(ps, depth, desc, "smb_io_rpc_auth_schannel_chk");
 855         depth++;
 856
 857         if ( !prs_uint8s(False, "sig  ", ps, depth, chk->sig, sizeof(chk->sig)) )
 858                 return False;
 859
 860         if ( !prs_uint8s(False, "seq_num", ps, depth, chk->seq_num, sizeof(chk->seq_num)) )
 861                 return False;
 862
 863         if ( !prs_uint8s(False, "packet_digest", ps, depth, chk->packet_digest, sizeof(chk->packet_digest)) )
 864                 return False;
 865
 866         if ( auth_len == RPC_AUTH_SCHANNEL_SIGN_OR_SEAL_CHK_LEN ) {
 867                 if ( !prs_uint8s(False, "confounder", ps, depth, chk->confounder, sizeof(chk->confounder)) )
 868                         return False;
 869         }
 870
 871         return True;
 872 }