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, 0x08, 0x00,   \
  38                 0x2b, 0x10, 0x48, 0x60 }    \
  39         }, 0x02                             \
  40 }
  41
  42 #define SYNT_NETLOGON_V2                    \
  43 {                                           \
  44         {                                   \
  45                 0x8a885d04, 0x1ceb, 0x11c9, \
  46                 { 0x9f, 0xe8, 0x08, 0x00,   \
  47                 0x2b, 0x10, 0x48, 0x60 }    \
  48         }, 0x02                             \
  49 }
  50
  51 #define SYNT_WKSSVC_V1                      \
  52 {                                           \
  53         {                                   \
  54                 0x6bffd098, 0xa112, 0x3610, \
  55                 { 0x98, 0x33, 0x46, 0xc3,   \
  56                 0xf8, 0x7e, 0x34, 0x5a }    \
  57         }, 0x01                             \
  58 }
  59
  60 #define SYNT_SRVSVC_V3                      \
  61 {                                           \
  62         {                                   \
  63                 0x4b324fc8, 0x1670, 0x01d3, \
  64                 { 0x12, 0x78, 0x5a, 0x47,   \
  65                 0xbf, 0x6e, 0xe1, 0x88 }    \
  66         }, 0x03                             \
  67 }
  68
  69 #define SYNT_LSARPC_V0                      \
  70 {                                           \
  71         {                                   \
  72                 0x12345778, 0x1234, 0xabcd, \
  73                 { 0xef, 0x00, 0x01, 0x23,   \
  74                 0x45, 0x67, 0x89, 0xab }    \
  75         }, 0x00                             \
  76 }
  77
  78 #define SYNT_LSARPC_V0_DS                \
  79 {                                           \
  80         {                                   \
  81                 0x3919286a, 0xb10c, 0x11d0, \
  82                 { 0x9b, 0xa8, 0x00, 0xc0,   \
  83                 0x4f, 0xd9, 0x2e, 0xf5 }    \
  84         }, 0x00                             \
  85 }
  86
  87 #define SYNT_SAMR_V1                        \
  88 {                                           \
  89         {                                   \
  90                 0x12345778, 0x1234, 0xabcd, \
  91                 { 0xef, 0x00, 0x01, 0x23,   \
  92                 0x45, 0x67, 0x89, 0xac }    \
  93         }, 0x01                             \
  94 }
  95
  96 #define SYNT_NETLOGON_V1                    \
  97 {                                           \
  98         {                                   \
  99                 0x12345678, 0x1234, 0xabcd, \
 100                 { 0xef, 0x00, 0x01, 0x23,   \
 101                 0x45, 0x67, 0xcf, 0xfb }    \
 102         }, 0x01                             \
 103 }
 104
 105 #define SYNT_WINREG_V1                      \
 106 {                                           \
 107         {                                   \
 108                 0x338cd001, 0x2244, 0x31f1, \
 109                 { 0xaa, 0xaa, 0x90, 0x00,   \
 110                 0x38, 0x00, 0x10, 0x03 }    \
 111         }, 0x01                             \
 112 }
 113
 114 #define SYNT_SPOOLSS_V1                     \
 115 {                                           \
 116         {                                   \
 117                 0x12345678, 0x1234, 0xabcd, \
 118                 { 0xef, 0x00, 0x01, 0x23,   \
 119                 0x45, 0x67, 0x89, 0xab }    \
 120         }, 0x01                             \
 121 }
 122
 123 #define SYNT_NONE_V0                        \
 124 {                                           \
 125         {                                   \
 126                 0x0, 0x0, 0x0,              \
 127                 { 0x00, 0x00, 0x00, 0x00,   \
 128                 0x00, 0x00, 0x00, 0x00 }    \
 129         }, 0x00                             \
 130 }
 131
 132 #define SYNT_NETDFS_V3                      \
 133 {                                           \
 134         {                                   \
 135                 0x4fc742e0, 0x4a10, 0x11cf, \
 136                 { 0x82, 0x73, 0x00, 0xaa,   \
 137                   0x00, 0x4a, 0xe6, 0x73 }  \
 138         }, 0x03                             \
 139 }
 140
 141 #define SYNT_ECHO_V1                        \
 142 {                                           \
 143         {                                   \
 144                 0x60a15ec5, 0x4de8, 0x11d7, \
 145                 { 0xa6, 0x37, 0x00, 0x50,   \
 146                   0x56, 0xa2, 0x01, 0x82 }  \
 147         }, 0x01                             \
 148 }
 149
 150 #define SYNT_SHUTDOWN_V1                    \
 151 {                                           \
 152         {                                   \
 153                 0x894de0c0, 0x0d55, 0x11d3, \
 154                 { 0xa3, 0x22, 0x00, 0xc0,   \
 155                   0x4f, 0xa3, 0x21, 0xa1 }  \
 156         }, 0x01                             \
 157 }
 158
 159 /*
 160  * IMPORTANT!!  If you update this structure, make sure to
 161  * update the index #defines in smb.h.
 162  */
 163
 164 const struct pipe_id_info pipe_names [] =
 165 {
 166         /* client pipe , abstract syntax       , server pipe   , transfer syntax */
 167         { PIPE_LSARPC  , SYNT_LSARPC_V0        , PIPE_LSASS    , TRANS_SYNT_V2 },
 168         { PIPE_LSARPC  , SYNT_LSARPC_V0_DS     , PIPE_LSASS    , TRANS_SYNT_V2 },
 169         { PIPE_SAMR    , SYNT_SAMR_V1          , PIPE_LSASS    , TRANS_SYNT_V2 },
 170         { PIPE_NETLOGON, SYNT_NETLOGON_V1      , PIPE_LSASS    , TRANS_SYNT_V2 },
 171         { PIPE_SRVSVC  , SYNT_SRVSVC_V3        , PIPE_NTSVCS   , TRANS_SYNT_V2 },
 172         { PIPE_WKSSVC  , SYNT_WKSSVC_V1        , PIPE_NTSVCS   , TRANS_SYNT_V2 },
 173         { PIPE_WINREG  , SYNT_WINREG_V1        , PIPE_WINREG   , TRANS_SYNT_V2 },
 174         { PIPE_SPOOLSS , SYNT_SPOOLSS_V1       , PIPE_SPOOLSS  , TRANS_SYNT_V2 },
 175         { PIPE_NETDFS  , SYNT_NETDFS_V3        , PIPE_NETDFS   , TRANS_SYNT_V2 },
 176         { PIPE_ECHO    , SYNT_ECHO_V1          , PIPE_ECHO     , TRANS_SYNT_V2 },
 177         { PIPE_SHUTDOWN, SYNT_SHUTDOWN_V1      , PIPE_SHUTDOWN , TRANS_SYNT_V2 },
 178         { NULL         , SYNT_NONE_V0          , NULL          , SYNT_NONE_V0  }
 179 };
 180
 181 /*******************************************************************
 182  Inits an RPC_HDR structure.
 183 ********************************************************************/
 184
 185 void init_rpc_hdr(RPC_HDR *hdr, enum RPC_PKT_TYPE pkt_type, uint8 flags,
 186                                 uint32 call_id, int data_len, int auth_len)
 187 {
 188         hdr->major        = 5;               /* RPC version 5 */
 189         hdr->minor        = 0;               /* minor version 0 */
 190         hdr->pkt_type     = pkt_type;        /* RPC packet type */
 191         hdr->flags        = flags;           /* dce/rpc flags */
 192         hdr->pack_type[0] = 0x10;            /* little-endian data representation */
 193         hdr->pack_type[1] = 0;               /* packed data representation */
 194         hdr->pack_type[2] = 0;               /* packed data representation */
 195         hdr->pack_type[3] = 0;               /* packed data representation */
 196         hdr->frag_len     = data_len;        /* fragment length, fill in later */
 197         hdr->auth_len     = auth_len;        /* authentication length */
 198         hdr->call_id      = call_id;         /* call identifier - match incoming RPC */
 199 }
 200
 201 /*******************************************************************
 202  Reads or writes an RPC_HDR structure.
 203 ********************************************************************/
 204
 205 BOOL smb_io_rpc_hdr(const char *desc,  RPC_HDR *rpc, prs_struct *ps, int depth)
 206 {
 207         if (rpc == NULL)
 208                 return False;
 209
 210         prs_debug(ps, depth, desc, "smb_io_rpc_hdr");
 211         depth++;
 212
 213         if(!prs_uint8 ("major     ", ps, depth, &rpc->major))
 214                 return False;
 215
 216         if(!prs_uint8 ("minor     ", ps, depth, &rpc->minor))
 217                 return False;
 218         if(!prs_uint8 ("pkt_type  ", ps, depth, &rpc->pkt_type))
 219                 return False;
 220         if(!prs_uint8 ("flags     ", ps, depth, &rpc->flags))
 221                 return False;
 222
 223         /* We always marshall in little endian format. */
 224         if (MARSHALLING(ps))
 225                 rpc->pack_type[0] = 0x10;
 226
 227         if(!prs_uint8("pack_type0", ps, depth, &rpc->pack_type[0]))
 228                 return False;
 229         if(!prs_uint8("pack_type1", ps, depth, &rpc->pack_type[1]))
 230                 return False;
 231         if(!prs_uint8("pack_type2", ps, depth, &rpc->pack_type[2]))
 232                 return False;
 233         if(!prs_uint8("pack_type3", ps, depth, &rpc->pack_type[3]))
 234                 return False;
 235
 236         /*
 237          * If reading and pack_type[0] == 0 then the data is in big-endian
 238          * format. Set the flag in the prs_struct to specify reverse-endainness.
 239          */
 240
 241         if (UNMARSHALLING(ps) && rpc->pack_type[0] == 0) {
 242                 DEBUG(10,("smb_io_rpc_hdr: PDU data format is big-endian. Setting flag.\n"));
 243                 prs_set_endian_data(ps, RPC_BIG_ENDIAN);
 244         }
 245
 246         if(!prs_uint16("frag_len  ", ps, depth, &rpc->frag_len))
 247                 return False;
 248         if(!prs_uint16("auth_len  ", ps, depth, &rpc->auth_len))
 249                 return False;
 250         if(!prs_uint32("call_id   ", ps, depth, &rpc->call_id))
 251                 return False;
 252         return True;
 253 }
 254
 255 /*******************************************************************
 256  Reads or writes an RPC_UUID structure.
 257 ********************************************************************/
 258
 259 static BOOL smb_io_rpc_uuid(const char *desc, RPC_UUID *uuid, prs_struct *ps, int depth)
 260 {
 261         if (uuid == NULL)
 262                 return False;
 263
 264         prs_debug(ps, depth, desc, "smb_io_rpc_uuid");
 265         depth++;
 266
 267         if(!prs_align(ps))
 268                 return False;
 269
 270         if(!prs_uint32 ("data   ", ps, depth, &uuid->time_low))
 271                 return False;
 272         if(!prs_uint16 ("data   ", ps, depth, &uuid->time_mid))
 273                 return False;
 274         if(!prs_uint16 ("data   ", ps, depth, &uuid->time_hi_and_version))
 275                 return False;
 276
 277         if(!prs_uint8s (False, "data   ", ps, depth, uuid->remaining, sizeof(uuid->remaining)))
 278                 return False;
 279
 280         return True;
 281 }
 282
 283 /*******************************************************************
 284  Reads or writes an RPC_IFACE structure.
 285 ********************************************************************/
 286
 287 static BOOL smb_io_rpc_iface(const char *desc, RPC_IFACE *ifc, prs_struct *ps, int depth)
 288 {
 289         if (ifc == NULL)
 290                 return False;
 291
 292         prs_debug(ps, depth, desc, "smb_io_rpc_iface");
 293         depth++;
 294
 295         if (!smb_io_rpc_uuid(  "uuid", &ifc->uuid, ps, depth))
 296                 return False;
 297
 298         if(!prs_uint32 ("version", ps, depth, &ifc->version))
 299                 return False;
 300
 301         return True;
 302 }
 303
 304 /*******************************************************************
 305  Inits an RPC_ADDR_STR structure.
 306 ********************************************************************/
 307
 308 static void init_rpc_addr_str(RPC_ADDR_STR *str, const char *name)
 309 {
 310         str->len = strlen(name) + 1;
 311         fstrcpy(str->str, name);
 312 }
 313
 314 /*******************************************************************
 315  Reads or writes an RPC_ADDR_STR structure.
 316 ********************************************************************/
 317
 318 static BOOL smb_io_rpc_addr_str(const char *desc,  RPC_ADDR_STR *str, prs_struct *ps, int depth)
 319 {
 320         if (str == NULL)
 321                 return False;
 322
 323         prs_debug(ps, depth, desc, "smb_io_rpc_addr_str");
 324         depth++;
 325         if(!prs_align(ps))
 326                 return False;
 327
 328         if(!prs_uint16 (      "len", ps, depth, &str->len))
 329                 return False;
 330         if(!prs_uint8s (True, "str", ps, depth, (uchar*)str->str, MIN(str->len, sizeof(str->str)) ))
 331                 return False;
 332         return True;
 333 }
 334
 335 /*******************************************************************
 336  Inits an RPC_HDR_BBA structure.
 337 ********************************************************************/
 338
 339 static void init_rpc_hdr_bba(RPC_HDR_BBA *bba, uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid)
 340 {
 341         bba->max_tsize = max_tsize; /* maximum transmission fragment size (0x1630) */
 342         bba->max_rsize = max_rsize; /* max receive fragment size (0x1630) */
 343         bba->assoc_gid = assoc_gid; /* associated group id (0x0) */
 344 }
 345
 346 /*******************************************************************
 347  Reads or writes an RPC_HDR_BBA structure.
 348 ********************************************************************/
 349
 350 static BOOL smb_io_rpc_hdr_bba(const char *desc,  RPC_HDR_BBA *rpc, prs_struct *ps, int depth)
 351 {
 352         if (rpc == NULL)
 353                 return False;
 354
 355         prs_debug(ps, depth, desc, "smb_io_rpc_hdr_bba");
 356         depth++;
 357
 358         if(!prs_uint16("max_tsize", ps, depth, &rpc->max_tsize))
 359                 return False;
 360         if(!prs_uint16("max_rsize", ps, depth, &rpc->max_rsize))
 361                 return False;
 362         if(!prs_uint32("assoc_gid", ps, depth, &rpc->assoc_gid))
 363                 return False;
 364         return True;
 365 }
 366
 367 /*******************************************************************
 368  Inits an RPC_HDR_RB structure.
 369 ********************************************************************/
 370
 371 void init_rpc_hdr_rb(RPC_HDR_RB *rpc,
 372                                 uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid,
 373                                 uint32 num_elements, uint16 context_id, uint8 num_syntaxes,
 374                                 RPC_IFACE *abstract, RPC_IFACE *transfer)
 375 {
 376         init_rpc_hdr_bba(&rpc->bba, max_tsize, max_rsize, assoc_gid);
 377
 378         rpc->num_elements = num_elements ; /* the number of elements (0x1) */
 379         rpc->context_id   = context_id   ; /* presentation context identifier (0x0) */
 380         rpc->num_syntaxes = num_syntaxes ; /* the number of syntaxes (has always been 1?)(0x1) */
 381
 382         /* num and vers. of interface client is using */
 383         rpc->abstract = *abstract;
 384
 385         /* num and vers. of interface to use for replies */
 386         rpc->transfer = *transfer;
 387 }
 388
 389 /*******************************************************************
 390  Reads or writes an RPC_HDR_RB structure.
 391 ********************************************************************/
 392
 393 BOOL smb_io_rpc_hdr_rb(const char *desc, RPC_HDR_RB *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_rb");
 399         depth++;
 400
 401         if(!smb_io_rpc_hdr_bba("", &rpc->bba, ps, depth))
 402                 return False;
 403
 404         if(!prs_uint32("num_elements", ps, depth, &rpc->num_elements))
 405                 return False;
 406         if(!prs_uint16("context_id  ", ps, depth, &rpc->context_id ))
 407                 return False;
 408         if(!prs_uint8 ("num_syntaxes", ps, depth, &rpc->num_syntaxes))
 409                 return False;
 410
 411         if(!smb_io_rpc_iface("", &rpc->abstract, ps, depth))
 412                 return False;
 413         if(!smb_io_rpc_iface("", &rpc->transfer, ps, depth))
 414                 return False;
 415
 416         return True;
 417 }
 418
 419 /*******************************************************************
 420  Inits an RPC_RESULTS structure.
 421
 422  lkclXXXX only one reason at the moment!
 423 ********************************************************************/
 424
 425 static void init_rpc_results(RPC_RESULTS *res,
 426                                 uint8 num_results, uint16 result, uint16 reason)
 427 {
 428         res->num_results = num_results; /* the number of results (0x01) */
 429         res->result      = result     ;  /* result (0x00 = accept) */
 430         res->reason      = reason     ;  /* reason (0x00 = no reason specified) */
 431 }
 432
 433 /*******************************************************************
 434  Reads or writes an RPC_RESULTS structure.
 435
 436  lkclXXXX only one reason at the moment!
 437 ********************************************************************/
 438
 439 static BOOL smb_io_rpc_results(const char *desc, RPC_RESULTS *res, prs_struct *ps, int depth)
 440 {
 441         if (res == NULL)
 442                 return False;
 443
 444         prs_debug(ps, depth, desc, "smb_io_rpc_results");
 445         depth++;
 446
 447         if(!prs_align(ps))
 448                 return False;
 449
 450         if(!prs_uint8 ("num_results", ps, depth, &res->num_results))
 451                 return False;
 452
 453         if(!prs_align(ps))
 454                 return False;
 455
 456         if(!prs_uint16("result     ", ps, depth, &res->result))
 457                 return False;
 458         if(!prs_uint16("reason     ", ps, depth, &res->reason))
 459                 return False;
 460         return True;
 461 }
 462
 463 /*******************************************************************
 464  Init an RPC_HDR_BA structure.
 465
 466  lkclXXXX only one reason at the moment!
 467
 468 ********************************************************************/
 469
 470 void init_rpc_hdr_ba(RPC_HDR_BA *rpc,
 471                                 uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid,
 472                                 const char *pipe_addr,
 473                                 uint8 num_results, uint16 result, uint16 reason,
 474                                 RPC_IFACE *transfer)
 475 {
 476         init_rpc_hdr_bba (&rpc->bba, max_tsize, max_rsize, assoc_gid);
 477         init_rpc_addr_str(&rpc->addr, pipe_addr);
 478         init_rpc_results (&rpc->res, num_results, result, reason);
 479
 480         /* the transfer syntax from the request */
 481         memcpy(&rpc->transfer, transfer, sizeof(rpc->transfer));
 482 }
 483
 484 /*******************************************************************
 485  Reads or writes an RPC_HDR_BA structure.
 486 ********************************************************************/
 487
 488 BOOL smb_io_rpc_hdr_ba(const char *desc, RPC_HDR_BA *rpc, prs_struct *ps, int depth)
 489 {
 490         if (rpc == NULL)
 491                 return False;
 492
 493         prs_debug(ps, depth, desc, "smb_io_rpc_hdr_ba");
 494         depth++;
 495
 496         if(!smb_io_rpc_hdr_bba("", &rpc->bba, ps, depth))
 497                 return False;
 498         if(!smb_io_rpc_addr_str("", &rpc->addr, ps, depth))
 499                 return False;
 500         if(!smb_io_rpc_results("", &rpc->res, ps, depth))
 501                 return False;
 502         if(!smb_io_rpc_iface("", &rpc->transfer, ps, depth))
 503                 return False;
 504         return True;
 505 }
 506
 507 /*******************************************************************
 508  Init an RPC_HDR_REQ structure.
 509 ********************************************************************/
 510
 511 void init_rpc_hdr_req(RPC_HDR_REQ *hdr, uint32 alloc_hint, uint16 opnum)
 512 {
 513         hdr->alloc_hint   = alloc_hint; /* allocation hint */
 514         hdr->context_id   = 0;         /* presentation context identifier */
 515         hdr->opnum        = opnum;     /* opnum */
 516 }
 517
 518 /*******************************************************************
 519  Reads or writes an RPC_HDR_REQ structure.
 520 ********************************************************************/
 521
 522 BOOL smb_io_rpc_hdr_req(const char *desc, RPC_HDR_REQ *rpc, prs_struct *ps, int depth)
 523 {
 524         if (rpc == NULL)
 525                 return False;
 526
 527         prs_debug(ps, depth, desc, "smb_io_rpc_hdr_req");
 528         depth++;
 529
 530         if(!prs_uint32("alloc_hint", ps, depth, &rpc->alloc_hint))
 531                 return False;
 532         if(!prs_uint16("context_id", ps, depth, &rpc->context_id))
 533                 return False;
 534         if(!prs_uint16("opnum     ", ps, depth, &rpc->opnum))
 535                 return False;
 536         return True;
 537 }
 538
 539 /*******************************************************************
 540  Reads or writes an RPC_HDR_RESP structure.
 541 ********************************************************************/
 542
 543 BOOL smb_io_rpc_hdr_resp(const char *desc, RPC_HDR_RESP *rpc, prs_struct *ps, int depth)
 544 {
 545         if (rpc == NULL)
 546                 return False;
 547
 548         prs_debug(ps, depth, desc, "smb_io_rpc_hdr_resp");
 549         depth++;
 550
 551         if(!prs_uint32("alloc_hint", ps, depth, &rpc->alloc_hint))
 552                 return False;
 553         if(!prs_uint16("context_id", ps, depth, &rpc->context_id))
 554                 return False;
 555         if(!prs_uint8 ("cancel_ct ", ps, depth, &rpc->cancel_count))
 556                 return False;
 557         if(!prs_uint8 ("reserved  ", ps, depth, &rpc->reserved))
 558                 return False;
 559         return True;
 560 }
 561
 562 /*******************************************************************
 563  Reads or writes an RPC_HDR_FAULT structure.
 564 ********************************************************************/
 565
 566 BOOL smb_io_rpc_hdr_fault(const char *desc, RPC_HDR_FAULT *rpc, prs_struct *ps, int depth)
 567 {
 568         if (rpc == NULL)
 569                 return False;
 570
 571         prs_debug(ps, depth, desc, "smb_io_rpc_hdr_fault");
 572         depth++;
 573
 574         if(!prs_ntstatus("status  ", ps, depth, &rpc->status))
 575                 return False;
 576         if(!prs_uint32("reserved", ps, depth, &rpc->reserved))
 577                 return False;
 578
 579     return True;
 580 }
 581
 582 /*******************************************************************
 583  Init an RPC_HDR_AUTHA structure.
 584 ********************************************************************/
 585
 586 void init_rpc_hdr_autha(RPC_HDR_AUTHA *rai,
 587                                 uint16 max_tsize, uint16 max_rsize,
 588                                 uint8 auth_type, uint8 auth_level,
 589                                 uint8 stub_type_len)
 590 {
 591         rai->max_tsize = max_tsize; /* maximum transmission fragment size (0x1630) */
 592         rai->max_rsize = max_rsize; /* max receive fragment size (0x1630) */
 593
 594         rai->auth_type     = auth_type; /* nt lm ssp 0x0a */
 595         rai->auth_level    = auth_level; /* 0x06 */
 596         rai->stub_type_len = stub_type_len; /* 0x00 */
 597         rai->padding       = 0; /* padding 0x00 */
 598
 599         rai->unknown       = 0x0014a0c0; /* non-zero pointer to something */
 600 }
 601
 602 /*******************************************************************
 603  Reads or writes an RPC_HDR_AUTHA structure.
 604 ********************************************************************/
 605
 606 BOOL smb_io_rpc_hdr_autha(const char *desc, RPC_HDR_AUTHA *rai, prs_struct *ps, int depth)
 607 {
 608         if (rai == NULL)
 609                 return False;
 610
 611         prs_debug(ps, depth, desc, "smb_io_rpc_hdr_autha");
 612         depth++;
 613
 614         if(!prs_uint16("max_tsize    ", ps, depth, &rai->max_tsize))
 615                 return False;
 616         if(!prs_uint16("max_rsize    ", ps, depth, &rai->max_rsize))
 617                 return False;
 618
 619         if(!prs_uint8 ("auth_type    ", ps, depth, &rai->auth_type)) /* 0x0a nt lm ssp */
 620                 return False;
 621         if(!prs_uint8 ("auth_level   ", ps, depth, &rai->auth_level)) /* 0x06 */
 622                 return False;
 623         if(!prs_uint8 ("stub_type_len", ps, depth, &rai->stub_type_len))
 624                 return False;
 625         if(!prs_uint8 ("padding      ", ps, depth, &rai->padding))
 626                 return False;
 627
 628         if(!prs_uint32("unknown      ", ps, depth, &rai->unknown)) /* 0x0014a0c0 */
 629                 return False;
 630
 631         return True;
 632 }
 633
 634 /*******************************************************************
 635  Inits an RPC_HDR_AUTH structure.
 636 ********************************************************************/
 637
 638 void init_rpc_hdr_auth(RPC_HDR_AUTH *rai,
 639                                 uint8 auth_type, uint8 auth_level,
 640                                 uint8 padding,
 641                                 uint32 ptr)
 642 {
 643         rai->auth_type     = auth_type; /* nt lm ssp 0x0a */
 644         rai->auth_level    = auth_level; /* 0x06 */
 645         rai->padding       = padding;
 646         rai->reserved      = 0;
 647
 648         rai->auth_context  = ptr; /* non-zero pointer to something */
 649 }
 650
 651 /*******************************************************************
 652  Reads or writes an RPC_HDR_AUTH structure.
 653 ********************************************************************/
 654
 655 BOOL smb_io_rpc_hdr_auth(const char *desc, RPC_HDR_AUTH *rai, prs_struct *ps, int depth)
 656 {
 657         if (rai == NULL)
 658                 return False;
 659
 660         prs_debug(ps, depth, desc, "smb_io_rpc_hdr_auth");
 661         depth++;
 662
 663         if(!prs_align(ps))
 664                 return False;
 665
 666         if(!prs_uint8 ("auth_type    ", ps, depth, &rai->auth_type)) /* 0x0a nt lm ssp */
 667                 return False;
 668         if(!prs_uint8 ("auth_level   ", ps, depth, &rai->auth_level)) /* 0x06 */
 669                 return False;
 670         if(!prs_uint8 ("padding      ", ps, depth, &rai->padding))
 671                 return False;
 672         if(!prs_uint8 ("reserved     ", ps, depth, &rai->reserved))
 673                 return False;
 674         if(!prs_uint32("auth_context ", ps, depth, &rai->auth_context))
 675                 return False;
 676
 677         return True;
 678 }
 679
 680 /*******************************************************************
 681  Checks an RPC_AUTH_VERIFIER structure.
 682 ********************************************************************/
 683
 684 BOOL rpc_auth_verifier_chk(RPC_AUTH_VERIFIER *rav,
 685                                 const char *signature, uint32 msg_type)
 686 {
 687         return (strequal(rav->signature, signature) && rav->msg_type == msg_type);
 688 }
 689
 690 /*******************************************************************
 691  Inits an RPC_AUTH_VERIFIER structure.
 692 ********************************************************************/
 693
 694 void init_rpc_auth_verifier(RPC_AUTH_VERIFIER *rav,
 695                                 const char *signature, uint32 msg_type)
 696 {
 697         fstrcpy(rav->signature, signature); /* "NTLMSSP" */
 698         rav->msg_type = msg_type; /* NTLMSSP_MESSAGE_TYPE */
 699 }
 700
 701 /*******************************************************************
 702  Reads or writes an RPC_AUTH_VERIFIER structure.
 703 ********************************************************************/
 704
 705 BOOL smb_io_rpc_auth_verifier(const char *desc, RPC_AUTH_VERIFIER *rav, prs_struct *ps, int depth)
 706 {
 707         if (rav == NULL)
 708                 return False;
 709
 710         prs_debug(ps, depth, desc, "smb_io_rpc_auth_verifier");
 711         depth++;
 712
 713         /* "NTLMSSP" */
 714         if(!prs_string("signature", ps, depth, rav->signature,
 715                         sizeof(rav->signature)))
 716                 return False;
 717         if(!prs_uint32("msg_type ", ps, depth, &rav->msg_type)) /* NTLMSSP_MESSAGE_TYPE */
 718                 return False;
 719
 720         return True;
 721 }
 722
 723 /*******************************************************************
 724  This parses an RPC_AUTH_VERIFIER for NETLOGON schannel. I think
 725  assuming "NTLMSSP" in sm_io_rpc_auth_verifier is somewhat wrong.
 726  I have to look at that later...
 727 ********************************************************************/
 728
 729 BOOL smb_io_rpc_netsec_verifier(const char *desc, RPC_AUTH_VERIFIER *rav, prs_struct *ps, int depth)
 730 {
 731         if (rav == NULL)
 732                 return False;
 733
 734         prs_debug(ps, depth, desc, "smb_io_rpc_auth_verifier");
 735         depth++;
 736
 737         if(!prs_string("signature", ps, depth, rav->signature, sizeof(rav->signature)))
 738                 return False;
 739         if(!prs_uint32("msg_type ", ps, depth, &rav->msg_type))
 740                 return False;
 741
 742         return True;
 743 }
 744
 745 /*******************************************************************
 746  Inits an RPC_AUTH_NTLMSSP_NEG structure.
 747 ********************************************************************/
 748
 749 void init_rpc_auth_ntlmssp_neg(RPC_AUTH_NTLMSSP_NEG *neg,
 750                                 uint32 neg_flgs,
 751                                 const char *myname, const char *domain)
 752 {
 753         int len_myname = strlen(myname);
 754         int len_domain = strlen(domain);
 755
 756         neg->neg_flgs = neg_flgs ; /* 0x00b2b3 */
 757
 758         init_str_hdr(&neg->hdr_domain, len_domain, len_domain, 0x20 + len_myname);
 759         init_str_hdr(&neg->hdr_myname, len_myname, len_myname, 0x20);
 760
 761         fstrcpy(neg->myname, myname);
 762         fstrcpy(neg->domain, domain);
 763 }
 764
 765 /*******************************************************************
 766  Reads or writes an RPC_AUTH_NTLMSSP_NEG structure.
 767
 768  *** lkclXXXX HACK ALERT! ***
 769 ********************************************************************/
 770
 771 BOOL smb_io_rpc_auth_ntlmssp_neg(const char *desc, RPC_AUTH_NTLMSSP_NEG *neg, prs_struct *ps, int depth)
 772 {
 773         uint32 start_offset = prs_offset(ps);
 774         if (neg == NULL)
 775                 return False;
 776
 777         prs_debug(ps, depth, desc, "smb_io_rpc_auth_ntlmssp_neg");
 778         depth++;
 779
 780         if(!prs_uint32("neg_flgs ", ps, depth, &neg->neg_flgs))
 781                 return False;
 782
 783         if (ps->io) {
 784                 uint32 old_offset;
 785                 uint32 old_neg_flags = neg->neg_flgs;
 786
 787                 /* reading */
 788
 789                 ZERO_STRUCTP(neg);
 790
 791                 neg->neg_flgs = old_neg_flags;
 792
 793                 if(!smb_io_strhdr("hdr_domain", &neg->hdr_domain, ps, depth))
 794                         return False;
 795                 if(!smb_io_strhdr("hdr_myname", &neg->hdr_myname, ps, depth))
 796                         return False;
 797
 798                 old_offset = prs_offset(ps);
 799
 800                 if(!prs_set_offset(ps, neg->hdr_myname.buffer + start_offset - 12))
 801                         return False;
 802
 803                 if(!prs_uint8s(True, "myname", ps, depth, (uint8*)neg->myname,
 804                                 MIN(neg->hdr_myname.str_str_len, sizeof(neg->myname))))
 805                         return False;
 806
 807                 old_offset += neg->hdr_myname.str_str_len;
 808
 809                 if(!prs_set_offset(ps, neg->hdr_domain.buffer + start_offset - 12))
 810                         return False;
 811
 812                 if(!prs_uint8s(True, "domain", ps, depth, (uint8*)neg->domain,
 813                         MIN(neg->hdr_domain.str_str_len, sizeof(neg->domain  ))))
 814                         return False;
 815
 816                 old_offset += neg->hdr_domain  .str_str_len;
 817
 818                 if(!prs_set_offset(ps, old_offset))
 819                         return False;
 820         } else {
 821                 /* writing */
 822                 if(!smb_io_strhdr("hdr_domain", &neg->hdr_domain, ps, depth))
 823                         return False;
 824                 if(!smb_io_strhdr("hdr_myname", &neg->hdr_myname, ps, depth))
 825                         return False;
 826
 827                 if(!prs_uint8s(True, "myname", ps, depth, (uint8*)neg->myname,
 828                                         MIN(neg->hdr_myname.str_str_len, sizeof(neg->myname))))
 829                         return False;
 830                 if(!prs_uint8s(True, "domain", ps, depth, (uint8*)neg->domain,
 831                                         MIN(neg->hdr_domain.str_str_len, sizeof(neg->domain  ))))
 832                         return False;
 833         }
 834
 835         return True;
 836 }
 837
 838 /*******************************************************************
 839 creates an RPC_AUTH_NTLMSSP_CHAL structure.
 840 ********************************************************************/
 841
 842 void init_rpc_auth_ntlmssp_chal(RPC_AUTH_NTLMSSP_CHAL *chl,
 843                                 uint32 neg_flags,
 844                                 uint8 challenge[8])
 845 {
 846         chl->unknown_1 = 0x0;
 847         chl->unknown_2 = 0x00000028;
 848         chl->neg_flags = neg_flags; /* 0x0082b1 */
 849
 850         memcpy(chl->challenge, challenge, sizeof(chl->challenge));
 851         memset((char *)chl->reserved , '\0', sizeof(chl->reserved));
 852 }
 853
 854 /*******************************************************************
 855  Reads or writes an RPC_AUTH_NTLMSSP_CHAL structure.
 856 ********************************************************************/
 857
 858 BOOL smb_io_rpc_auth_ntlmssp_chal(const char *desc, RPC_AUTH_NTLMSSP_CHAL *chl, prs_struct *ps, int depth)
 859 {
 860         if (chl == NULL)
 861                 return False;
 862
 863         prs_debug(ps, depth, desc, "smb_io_rpc_auth_ntlmssp_chal");
 864         depth++;
 865
 866         if(!prs_uint32("unknown_1", ps, depth, &chl->unknown_1)) /* 0x0000 0000 */
 867                 return False;
 868         if(!prs_uint32("unknown_2", ps, depth, &chl->unknown_2)) /* 0x0000 b2b3 */
 869                 return False;
 870         if(!prs_uint32("neg_flags", ps, depth, &chl->neg_flags)) /* 0x0000 82b1 */
 871                 return False;
 872
 873         if(!prs_uint8s (False, "challenge", ps, depth, chl->challenge, sizeof(chl->challenge)))
 874                 return False;
 875         if(!prs_uint8s (False, "reserved ", ps, depth, chl->reserved , sizeof(chl->reserved )))
 876                 return False;
 877
 878         return True;
 879 }
 880
 881 /*******************************************************************
 882  Inits an RPC_AUTH_NTLMSSP_RESP structure.
 883
 884  *** lkclXXXX FUDGE!  HAVE TO MANUALLY SPECIFY OFFSET HERE (0x1c bytes) ***
 885  *** lkclXXXX the actual offset is at the start of the auth verifier    ***
 886 ********************************************************************/
 887
 888 void init_rpc_auth_ntlmssp_resp(RPC_AUTH_NTLMSSP_RESP *rsp,
 889                                 uchar lm_resp[24], uchar nt_resp[24],
 890                                 const char *domain, const char *user, const char *wks,
 891                                 uint32 neg_flags)
 892 {
 893         uint32 offset;
 894         int dom_len = strlen(domain);
 895         int wks_len = strlen(wks);
 896         int usr_len = strlen(user);
 897         int lm_len  = (lm_resp != NULL) ? 24 : 0;
 898         int nt_len  = (nt_resp != NULL) ? 24 : 0;
 899
 900         DEBUG(5,("make_rpc_auth_ntlmssp_resp\n"));
 901
 902 #ifdef DEBUG_PASSWORD
 903         DEBUG(100,("lm_resp\n"));
 904         dump_data(100, (char *)lm_resp, 24);
 905         DEBUG(100,("nt_resp\n"));
 906         dump_data(100, (char *)nt_resp, 24);
 907 #endif
 908
 909         DEBUG(6,("dom: %s user: %s wks: %s neg_flgs: 0x%x\n",
 910                   domain, user, wks, neg_flags));
 911
 912         offset = 0x40;
 913
 914         if (neg_flags & NTLMSSP_NEGOTIATE_UNICODE) {
 915                 dom_len *= 2;
 916                 wks_len *= 2;
 917                 usr_len *= 2;
 918         }
 919
 920         init_str_hdr(&rsp->hdr_domain, dom_len, dom_len, offset);
 921         offset += dom_len;
 922
 923         init_str_hdr(&rsp->hdr_usr, usr_len, usr_len, offset);
 924         offset += usr_len;
 925
 926         init_str_hdr(&rsp->hdr_wks, wks_len, wks_len, offset);
 927         offset += wks_len;
 928
 929         init_str_hdr(&rsp->hdr_lm_resp, lm_len, lm_len, offset);
 930         offset += lm_len;
 931
 932         init_str_hdr(&rsp->hdr_nt_resp, nt_len, nt_len, offset);
 933         offset += nt_len;
 934
 935         init_str_hdr(&rsp->hdr_sess_key, 0, 0, offset);
 936
 937         rsp->neg_flags = neg_flags;
 938
 939         memcpy(rsp->lm_resp, lm_resp, 24);
 940         memcpy(rsp->nt_resp, nt_resp, 24);
 941
 942         if (neg_flags & NTLMSSP_NEGOTIATE_UNICODE) {
 943                 rpcstr_push(rsp->domain, domain, sizeof(rsp->domain), 0);
 944                 rpcstr_push(rsp->user, user, sizeof(rsp->user), 0);
 945                 rpcstr_push(rsp->wks, wks, sizeof(rsp->wks), 0);
 946         } else {
 947                 fstrcpy(rsp->domain, domain);
 948                 fstrcpy(rsp->user, user);
 949                 fstrcpy(rsp->wks, wks);
 950         }
 951
 952         rsp->sess_key[0] = 0;
 953 }
 954
 955 /*******************************************************************
 956  Reads or writes an RPC_AUTH_NTLMSSP_RESP structure.
 957
 958  *** lkclXXXX FUDGE!  HAVE TO MANUALLY SPECIFY OFFSET HERE (0x1c bytes) ***
 959  *** lkclXXXX the actual offset is at the start of the auth verifier    ***
 960 ********************************************************************/
 961
 962 BOOL smb_io_rpc_auth_ntlmssp_resp(const char *desc, RPC_AUTH_NTLMSSP_RESP *rsp, prs_struct *ps, int depth)
 963 {
 964         if (rsp == NULL)
 965                 return False;
 966
 967         prs_debug(ps, depth, desc, "smb_io_rpc_auth_ntlmssp_resp");
 968         depth++;
 969
 970         if (ps->io) {
 971                 uint32 old_offset;
 972
 973                 /* reading */
 974
 975                 ZERO_STRUCTP(rsp);
 976
 977                 if(!smb_io_strhdr("hdr_lm_resp ", &rsp->hdr_lm_resp, ps, depth))
 978                         return False;
 979                 if(!smb_io_strhdr("hdr_nt_resp ", &rsp->hdr_nt_resp, ps, depth))
 980                         return False;
 981                 if(!smb_io_strhdr("hdr_domain  ", &rsp->hdr_domain, ps, depth))
 982                         return False;
 983                 if(!smb_io_strhdr("hdr_user    ", &rsp->hdr_usr, ps, depth))
 984                         return False;
 985                 if(!smb_io_strhdr("hdr_wks     ", &rsp->hdr_wks, ps, depth))
 986                         return False;
 987                 if(!smb_io_strhdr("hdr_sess_key", &rsp->hdr_sess_key, ps, depth))
 988                         return False;
 989
 990                 if(!prs_uint32("neg_flags", ps, depth, &rsp->neg_flags)) /* 0x0000 82b1 */
 991                         return False;
 992
 993                 old_offset = prs_offset(ps);
 994
 995                 if(!prs_set_offset(ps, rsp->hdr_domain.buffer + 0xc))
 996                         return False;
 997
 998                 if(!prs_uint8s(True , "domain  ", ps, depth, (uint8*)rsp->domain,
 999                                 MIN(rsp->hdr_domain.str_str_len, sizeof(rsp->domain))))
1000                         return False;
1001
1002                 old_offset += rsp->hdr_domain.str_str_len;
1003
1004                 if(!prs_set_offset(ps, rsp->hdr_usr.buffer + 0xc))
1005                         return False;
1006
1007                 if(!prs_uint8s(True , "user    ", ps, depth, (uint8*)rsp->user,
1008                                 MIN(rsp->hdr_usr.str_str_len, sizeof(rsp->user))))
1009                         return False;
1010
1011                 old_offset += rsp->hdr_usr.str_str_len;
1012
1013                 if(!prs_set_offset(ps, rsp->hdr_wks.buffer + 0xc))
1014                         return False;
1015
1016                 if(!prs_uint8s(True, "wks     ", ps, depth, (uint8*)rsp->wks,
1017                                 MIN(rsp->hdr_wks.str_str_len, sizeof(rsp->wks))))
1018                         return False;
1019
1020                 old_offset += rsp->hdr_wks.str_str_len;
1021
1022                 if(!prs_set_offset(ps, rsp->hdr_lm_resp.buffer + 0xc))
1023                         return False;
1024
1025                 if(!prs_uint8s(False, "lm_resp ", ps, depth, (uint8*)rsp->lm_resp,
1026                                 MIN(rsp->hdr_lm_resp.str_str_len, sizeof(rsp->lm_resp ))))
1027                         return False;
1028
1029                 old_offset += rsp->hdr_lm_resp.str_str_len;
1030
1031                 if(!prs_set_offset(ps, rsp->hdr_nt_resp.buffer + 0xc))
1032                         return False;
1033
1034                 if(!prs_uint8s(False, "nt_resp ", ps, depth, (uint8*)rsp->nt_resp,
1035                                 MIN(rsp->hdr_nt_resp.str_str_len, sizeof(rsp->nt_resp ))))
1036                         return False;
1037
1038                 old_offset += rsp->hdr_nt_resp.str_str_len;
1039
1040                 if (rsp->hdr_sess_key.str_str_len != 0) {
1041
1042                         if(!prs_set_offset(ps, rsp->hdr_sess_key.buffer + 0x10))
1043                                 return False;
1044
1045                         old_offset += rsp->hdr_sess_key.str_str_len;
1046
1047                         if(!prs_uint8s(False, "sess_key", ps, depth, (uint8*)rsp->sess_key,
1048                                         MIN(rsp->hdr_sess_key.str_str_len, sizeof(rsp->sess_key))))
1049                                 return False;
1050                 }
1051
1052                 if(!prs_set_offset(ps, old_offset))
1053                         return False;
1054         } else {
1055                 /* writing */
1056                 if(!smb_io_strhdr("hdr_lm_resp ", &rsp->hdr_lm_resp, ps, depth))
1057                         return False;
1058                 if(!smb_io_strhdr("hdr_nt_resp ", &rsp->hdr_nt_resp, ps, depth))
1059                         return False;
1060                 if(!smb_io_strhdr("hdr_domain  ", &rsp->hdr_domain, ps, depth))
1061                         return False;
1062                 if(!smb_io_strhdr("hdr_user    ", &rsp->hdr_usr, ps, depth))
1063                         return False;
1064                 if(!smb_io_strhdr("hdr_wks     ", &rsp->hdr_wks, ps, depth))
1065                         return False;
1066                 if(!smb_io_strhdr("hdr_sess_key", &rsp->hdr_sess_key, ps, depth))
1067                         return False;
1068
1069                 if(!prs_uint32("neg_flags", ps, depth, &rsp->neg_flags)) /* 0x0000 82b1 */
1070                         return False;
1071
1072                 if(!prs_uint8s(True , "domain  ", ps, depth, (uint8*)rsp->domain,
1073                                 MIN(rsp->hdr_domain.str_str_len, sizeof(rsp->domain))))
1074                         return False;
1075
1076                 if(!prs_uint8s(True , "user    ", ps, depth, (uint8*)rsp->user,
1077                                 MIN(rsp->hdr_usr.str_str_len, sizeof(rsp->user))))
1078                         return False;
1079
1080                 if(!prs_uint8s(True , "wks     ", ps, depth, (uint8*)rsp->wks,
1081                                 MIN(rsp->hdr_wks.str_str_len, sizeof(rsp->wks))))
1082                         return False;
1083                 if(!prs_uint8s(False, "lm_resp ", ps, depth, (uint8*)rsp->lm_resp,
1084                                 MIN(rsp->hdr_lm_resp .str_str_len, sizeof(rsp->lm_resp))))
1085                         return False;
1086                 if(!prs_uint8s(False, "nt_resp ", ps, depth, (uint8*)rsp->nt_resp,
1087                                 MIN(rsp->hdr_nt_resp .str_str_len, sizeof(rsp->nt_resp ))))
1088                         return False;
1089                 if(!prs_uint8s(False, "sess_key", ps, depth, (uint8*)rsp->sess_key,
1090                                 MIN(rsp->hdr_sess_key.str_str_len, sizeof(rsp->sess_key))))
1091                         return False;
1092         }
1093
1094         return True;
1095 }
1096
1097 /*******************************************************************
1098  Checks an RPC_AUTH_NTLMSSP_CHK structure.
1099 ********************************************************************/
1100
1101 BOOL rpc_auth_ntlmssp_chk(RPC_AUTH_NTLMSSP_CHK *chk, uint32 crc32, uint32 seq_num)
1102 {
1103         if (chk == NULL)
1104                 return False;
1105
1106         if (chk->crc32 != crc32 ||
1107             chk->ver   != NTLMSSP_SIGN_VERSION ||
1108             chk->seq_num != seq_num)
1109         {
1110                 DEBUG(5,("verify failed - crc %x ver %x seq %d\n",
1111                          chk->crc32, chk->ver, chk->seq_num));
1112
1113                 DEBUG(5,("verify expect - crc %x ver %x seq %d\n",
1114                         crc32, NTLMSSP_SIGN_VERSION, seq_num));
1115                 return False;
1116         }
1117         return True;
1118 }
1119
1120 /*******************************************************************
1121  Inits an RPC_AUTH_NTLMSSP_CHK structure.
1122 ********************************************************************/
1123
1124 void init_rpc_auth_ntlmssp_chk(RPC_AUTH_NTLMSSP_CHK *chk,
1125                                 uint32 ver, uint32 crc32, uint32 seq_num)
1126 {
1127         chk->ver      = ver;
1128         chk->reserved = 0x0;
1129         chk->crc32    = crc32;
1130         chk->seq_num  = seq_num;
1131 }
1132
1133 /*******************************************************************
1134  Reads or writes an RPC_AUTH_NTLMSSP_CHK structure.
1135 ********************************************************************/
1136
1137 BOOL smb_io_rpc_auth_ntlmssp_chk(const char *desc, RPC_AUTH_NTLMSSP_CHK *chk, prs_struct *ps, int depth)
1138 {
1139         if (chk == NULL)
1140                 return False;
1141
1142         prs_debug(ps, depth, desc, "smb_io_rpc_auth_ntlmssp_chk");
1143         depth++;
1144
1145         if(!prs_align(ps))
1146                 return False;
1147
1148         if(!prs_uint32("ver     ", ps, depth, &chk->ver))
1149                 return False;
1150         if(!prs_uint32("reserved", ps, depth, &chk->reserved))
1151                 return False;
1152         if(!prs_uint32("crc32   ", ps, depth, &chk->crc32))
1153                 return False;
1154         if(!prs_uint32("seq_num ", ps, depth, &chk->seq_num))
1155                 return False;
1156
1157         return True;
1158 }
1159
1160 /*******************************************************************
1161 creates an RPC_AUTH_NETSEC_NEG structure.
1162 ********************************************************************/
1163 void init_rpc_auth_netsec_neg(RPC_AUTH_NETSEC_NEG *neg,
1164                               const char *domain, const char *myname)
1165 {
1166         neg->type1 = 0;
1167         neg->type2 = 0x3;
1168         fstrcpy(neg->domain, domain);
1169         fstrcpy(neg->myname, myname);
1170 }
1171
1172 /*******************************************************************
1173  Reads or writes an RPC_AUTH_NETSEC_NEG structure.
1174 ********************************************************************/
1175
1176 BOOL smb_io_rpc_auth_netsec_neg(const char *desc, RPC_AUTH_NETSEC_NEG *neg,
1177                                 prs_struct *ps, int depth)
1178 {
1179         if (neg == NULL)
1180                 return False;
1181
1182         prs_debug(ps, depth, desc, "smb_io_rpc_auth_netsec_neg");
1183         depth++;
1184
1185         if(!prs_align(ps))
1186                 return False;
1187
1188         if(!prs_uint32("type1", ps, depth, &neg->type1))
1189                 return False;
1190         if(!prs_uint32("type2", ps, depth, &neg->type2))
1191                 return False;
1192         if(!prs_string("domain  ", ps, depth, neg->domain, sizeof(neg->domain)))
1193                 return False;
1194         if(!prs_string("myname  ", ps, depth, neg->myname, sizeof(neg->myname)))
1195                 return False;
1196
1197         return True;
1198 }
1199
1200 /*******************************************************************
1201 reads or writes an RPC_AUTH_NETSEC_CHK structure.
1202 ********************************************************************/
1203 BOOL smb_io_rpc_auth_netsec_chk(const char *desc, RPC_AUTH_NETSEC_CHK * chk,
1204                                 prs_struct *ps, int depth)
1205 {
1206         if (chk == NULL)
1207                 return False;
1208
1209         prs_debug(ps, depth, desc, "smb_io_rpc_auth_netsec_chk");
1210         depth++;
1211
1212         prs_uint8s(False, "sig  ", ps, depth, chk->sig, sizeof(chk->sig));
1213         prs_uint8s(False, "seq_num", ps, depth, chk->seq_num, sizeof(chk->seq_num));
1214         prs_uint8s(False, "packet_digest", ps, depth, chk->packet_digest, sizeof(chk->packet_digest));
1215         prs_uint8s(False, "confounder", ps, depth, chk->confounder, sizeof(chk->confounder));
1216
1217         return True;
1218 }
1219