source3/rpc_parse/parse_misc.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  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License as published by
  10  *  the Free Software Foundation; either version 2 of the License, or
  11  *  (at your option) any later version.
  12  *
  13  *  This program is distributed in the hope that it will be useful,
  14  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  *  GNU General Public License for more details.
  17  *
  18  *  You should have received a copy of the GNU General Public License
  19  *  along with this program; if not, write to the Free Software
  20  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21  */
  22
  23 #include "includes.h"
  24
  25 #undef DBGC_CLASS
  26 #define DBGC_CLASS DBGC_RPC_PARSE
  27
  28 /****************************************************************************
  29  A temporary TALLOC context for things like unistrs, that is valid for
  30  the life of a complete RPC call.
  31 ****************************************************************************/
  32
  33 static TALLOC_CTX *current_rpc_talloc = NULL;
  34
  35 TALLOC_CTX *get_current_rpc_talloc(void)
  36 {
  37     return current_rpc_talloc;
  38 }
  39
  40 void set_current_rpc_talloc( TALLOC_CTX *ctx)
  41 {
  42         current_rpc_talloc = ctx;
  43 }
  44
  45 static TALLOC_CTX *main_loop_talloc = NULL;
  46
  47 /*******************************************************************
  48 free up temporary memory - called from the main loop
  49 ********************************************************************/
  50
  51 void main_loop_talloc_free(void)
  52 {
  53     if (!main_loop_talloc)
  54         return;
  55     talloc_destroy(main_loop_talloc);
  56     main_loop_talloc = NULL;
  57 }
  58
  59 /*******************************************************************
  60  Get a talloc context that is freed in the main loop...
  61 ********************************************************************/
  62
  63 TALLOC_CTX *main_loop_talloc_get(void)
  64 {
  65     if (!main_loop_talloc) {
  66         main_loop_talloc = talloc_init("main loop talloc (mainly parse_misc)");
  67         if (!main_loop_talloc)
  68             smb_panic("main_loop_talloc: malloc fail\n");
  69     }
  70
  71     return main_loop_talloc;
  72 }
  73
  74 /*******************************************************************
  75  Try and get a talloc context. Get the rpc one if possible, else
  76  get the main loop one. The main loop one is more dangerous as it
  77  goes away between packets, the rpc one will stay around for as long
  78  as a current RPC lasts.
  79 ********************************************************************/
  80
  81 TALLOC_CTX *get_talloc_ctx(void)
  82 {
  83         TALLOC_CTX *tc = get_current_rpc_talloc();
  84
  85         if (tc)
  86                 return tc;
  87         return main_loop_talloc_get();
  88 }
  89
  90 /*******************************************************************
  91  Reads or writes a UTIME type.
  92 ********************************************************************/
  93
  94 static BOOL smb_io_utime(const char *desc, UTIME *t, prs_struct *ps, int depth)
  95 {
  96         if (t == NULL)
  97                 return False;
  98
  99         prs_debug(ps, depth, desc, "smb_io_utime");
 100         depth++;
 101
 102         if(!prs_align(ps))
 103                 return False;
 104
 105         if(!prs_uint32 ("time", ps, depth, &t->time))
 106                 return False;
 107
 108         return True;
 109 }
 110
 111 /*******************************************************************
 112  Reads or writes an NTTIME structure.
 113 ********************************************************************/
 114
 115 BOOL smb_io_time(const char *desc, NTTIME *nttime, prs_struct *ps, int depth)
 116 {
 117         if (nttime == NULL)
 118                 return False;
 119
 120         prs_debug(ps, depth, desc, "smb_io_time");
 121         depth++;
 122
 123         if(!prs_align(ps))
 124                 return False;
 125
 126         if(!prs_uint32("low ", ps, depth, &nttime->low)) /* low part */
 127                 return False;
 128         if(!prs_uint32("high", ps, depth, &nttime->high)) /* high part */
 129                 return False;
 130
 131         return True;
 132 }
 133
 134 /*******************************************************************
 135  Reads or writes a LOOKUP_LEVEL structure.
 136 ********************************************************************/
 137
 138 BOOL smb_io_lookup_level(const char *desc, LOOKUP_LEVEL *level, prs_struct *ps, int depth)
 139 {
 140         if (level == NULL)
 141                 return False;
 142
 143         prs_debug(ps, depth, desc, "smb_io_lookup_level");
 144         depth++;
 145
 146         if(!prs_align(ps))
 147                 return False;
 148         if(!prs_uint16("value", ps, depth, &level->value))
 149                 return False;
 150         if(!prs_align(ps))
 151                 return False;
 152
 153         return True;
 154 }
 155
 156 /*******************************************************************
 157  Gets an enumeration handle from an ENUM_HND structure.
 158 ********************************************************************/
 159
 160 uint32 get_enum_hnd(ENUM_HND *enh)
 161 {
 162         return (enh && enh->ptr_hnd != 0) ? enh->handle : 0;
 163 }
 164
 165 /*******************************************************************
 166  Inits an ENUM_HND structure.
 167 ********************************************************************/
 168
 169 void init_enum_hnd(ENUM_HND *enh, uint32 hnd)
 170 {
 171         DEBUG(5,("smb_io_enum_hnd\n"));
 172
 173         enh->ptr_hnd = (hnd != 0) ? 1 : 0;
 174         enh->handle = hnd;
 175 }
 176
 177 /*******************************************************************
 178  Reads or writes an ENUM_HND structure.
 179 ********************************************************************/
 180
 181 BOOL smb_io_enum_hnd(const char *desc, ENUM_HND *hnd, prs_struct *ps, int depth)
 182 {
 183         if (hnd == NULL)
 184                 return False;
 185
 186         prs_debug(ps, depth, desc, "smb_io_enum_hnd");
 187         depth++;
 188
 189         if(!prs_align(ps))
 190                 return False;
 191
 192         if(!prs_uint32("ptr_hnd", ps, depth, &hnd->ptr_hnd)) /* pointer */
 193                 return False;
 194
 195         if (hnd->ptr_hnd != 0) {
 196                 if(!prs_uint32("handle ", ps, depth, &hnd->handle )) /* enum handle */
 197                         return False;
 198         }
 199
 200         return True;
 201 }
 202
 203 /*******************************************************************
 204  Reads or writes a DOM_SID structure.
 205 ********************************************************************/
 206
 207 BOOL smb_io_dom_sid(const char *desc, DOM_SID *sid, prs_struct *ps, int depth)
 208 {
 209         int i;
 210
 211         if (sid == NULL)
 212                 return False;
 213
 214         prs_debug(ps, depth, desc, "smb_io_dom_sid");
 215         depth++;
 216
 217         if(!prs_uint8 ("sid_rev_num", ps, depth, &sid->sid_rev_num))
 218                 return False;
 219
 220         if(!prs_uint8 ("num_auths  ", ps, depth, &sid->num_auths))
 221                 return False;
 222
 223         for (i = 0; i < 6; i++)
 224         {
 225                 fstring tmp;
 226                 slprintf(tmp, sizeof(tmp) - 1, "id_auth[%d] ", i);
 227                 if(!prs_uint8 (tmp, ps, depth, &sid->id_auth[i]))
 228                         return False;
 229         }
 230
 231         /* oops! XXXX should really issue a warning here... */
 232         if (sid->num_auths > MAXSUBAUTHS)
 233                 sid->num_auths = MAXSUBAUTHS;
 234
 235         if(!prs_uint32s(False, "sub_auths ", ps, depth, sid->sub_auths, sid->num_auths))
 236                 return False;
 237
 238         return True;
 239 }
 240
 241 /*******************************************************************
 242  Inits a DOM_SID structure.
 243
 244  BIG NOTE: this function only does SIDS where the identauth is not >= 2^32
 245  identauth >= 2^32 can be detected because it will be specified in hex
 246 ********************************************************************/
 247
 248 void init_dom_sid(DOM_SID *sid, const char *str_sid)
 249 {
 250         pstring domsid;
 251         int identauth;
 252         char *p;
 253
 254         if (str_sid == NULL) {
 255                 DEBUG(4,("netlogon domain SID: none\n"));
 256                 sid->sid_rev_num = 0;
 257                 sid->num_auths = 0;
 258                 return;
 259         }
 260
 261         pstrcpy(domsid, str_sid);
 262
 263         DEBUG(4,("init_dom_sid %d SID:  %s\n", __LINE__, domsid));
 264
 265         /* assume, but should check, that domsid starts "S-" */
 266         p = strtok(domsid+2,"-");
 267         sid->sid_rev_num = atoi(p);
 268
 269         /* identauth in decimal should be <  2^32 */
 270         /* identauth in hex     should be >= 2^32 */
 271         identauth = atoi(strtok(0,"-"));
 272
 273         DEBUG(4,("netlogon rev %d\n", sid->sid_rev_num));
 274         DEBUG(4,("netlogon %s ia %d\n", p, identauth));
 275
 276         sid->id_auth[0] = 0;
 277         sid->id_auth[1] = 0;
 278         sid->id_auth[2] = (identauth & 0xff000000) >> 24;
 279         sid->id_auth[3] = (identauth & 0x00ff0000) >> 16;
 280         sid->id_auth[4] = (identauth & 0x0000ff00) >> 8;
 281         sid->id_auth[5] = (identauth & 0x000000ff);
 282
 283         sid->num_auths = 0;
 284
 285         while ((p = strtok(0, "-")) != NULL && sid->num_auths < MAXSUBAUTHS)
 286                 sid->sub_auths[sid->num_auths++] = atoi(p);
 287
 288         DEBUG(4,("init_dom_sid: %d SID:  %s\n", __LINE__, domsid));
 289 }
 290
 291 /*******************************************************************
 292  Inits a DOM_SID2 structure.
 293 ********************************************************************/
 294
 295 void init_dom_sid2(DOM_SID2 *sid2, const DOM_SID *sid)
 296 {
 297         sid2->sid = *sid;
 298         sid2->num_auths = sid2->sid.num_auths;
 299 }
 300
 301 /*******************************************************************
 302  Reads or writes a DOM_SID2 structure.
 303 ********************************************************************/
 304
 305 BOOL smb_io_dom_sid2(const char *desc, DOM_SID2 *sid, prs_struct *ps, int depth)
 306 {
 307         if (sid == NULL)
 308                 return False;
 309
 310         prs_debug(ps, depth, desc, "smb_io_dom_sid2");
 311         depth++;
 312
 313         if(!prs_align(ps))
 314                 return False;
 315
 316         if(!prs_uint32("num_auths", ps, depth, &sid->num_auths))
 317                 return False;
 318
 319         if(!smb_io_dom_sid("sid", &sid->sid, ps, depth))
 320                 return False;
 321
 322         return True;
 323 }
 324
 325 /*******************************************************************
 326 creates a STRHDR structure.
 327 ********************************************************************/
 328
 329 void init_str_hdr(STRHDR *hdr, int max_len, int len, uint32 buffer)
 330 {
 331         hdr->str_max_len = max_len;
 332         hdr->str_str_len = len;
 333         hdr->buffer      = buffer;
 334 }
 335
 336 /*******************************************************************
 337  Reads or writes a STRHDR structure.
 338 ********************************************************************/
 339
 340 BOOL smb_io_strhdr(const char *desc,  STRHDR *hdr, prs_struct *ps, int depth)
 341 {
 342         if (hdr == NULL)
 343                 return False;
 344
 345         prs_debug(ps, depth, desc, "smb_io_strhdr");
 346         depth++;
 347
 348         prs_align(ps);
 349
 350         if(!prs_uint16("str_str_len", ps, depth, &hdr->str_str_len))
 351                 return False;
 352         if(!prs_uint16("str_max_len", ps, depth, &hdr->str_max_len))
 353                 return False;
 354         if(!prs_uint32("buffer     ", ps, depth, &hdr->buffer))
 355                 return False;
 356
 357         return True;
 358 }
 359
 360 /*******************************************************************
 361  Inits a UNIHDR structure.
 362 ********************************************************************/
 363
 364 void init_uni_hdr(UNIHDR *hdr, UNISTR2 *str2)
 365 {
 366         hdr->uni_str_len = 2 * (str2->uni_str_len);
 367         hdr->uni_max_len = 2 * (str2->uni_max_len);
 368         hdr->buffer = (str2->uni_str_len != 0) ? 1 : 0;
 369 }
 370
 371 /*******************************************************************
 372  Reads or writes a UNIHDR structure.
 373 ********************************************************************/
 374
 375 BOOL smb_io_unihdr(const char *desc, UNIHDR *hdr, prs_struct *ps, int depth)
 376 {
 377         if (hdr == NULL)
 378                 return False;
 379
 380         prs_debug(ps, depth, desc, "smb_io_unihdr");
 381         depth++;
 382
 383         if(!prs_align(ps))
 384                 return False;
 385
 386         if(!prs_uint16("uni_str_len", ps, depth, &hdr->uni_str_len))
 387                 return False;
 388         if(!prs_uint16("uni_max_len", ps, depth, &hdr->uni_max_len))
 389                 return False;
 390         if(!prs_uint32("buffer     ", ps, depth, &hdr->buffer))
 391                 return False;
 392
 393         return True;
 394 }
 395
 396 /*******************************************************************
 397  Inits a BUFHDR structure.
 398 ********************************************************************/
 399
 400 void init_buf_hdr(BUFHDR *hdr, int max_len, int len)
 401 {
 402         hdr->buf_max_len = max_len;
 403         hdr->buf_len     = len;
 404 }
 405
 406 /*******************************************************************
 407  prs_uint16 wrapper. Call this and it sets up a pointer to where the
 408  uint16 should be stored, or gets the size if reading.
 409  ********************************************************************/
 410
 411 BOOL smb_io_hdrbuf_pre(const char *desc, BUFHDR *hdr, prs_struct *ps, int depth, uint32 *offset)
 412 {
 413         (*offset) = prs_offset(ps);
 414         if (ps->io) {
 415
 416                 /* reading. */
 417
 418                 if(!smb_io_hdrbuf(desc, hdr, ps, depth))
 419                         return False;
 420
 421         } else {
 422
 423                 /* writing. */
 424
 425                 if(!prs_set_offset(ps, prs_offset(ps) + (sizeof(uint32) * 2)))
 426                         return False;
 427         }
 428
 429         return True;
 430 }
 431
 432 /*******************************************************************
 433  smb_io_hdrbuf wrapper. Call this and it retrospectively stores the size.
 434  Does nothing on reading, as that is already handled by ...._pre()
 435  ********************************************************************/
 436
 437 BOOL smb_io_hdrbuf_post(const char *desc, BUFHDR *hdr, prs_struct *ps, int depth,
 438                                 uint32 ptr_hdrbuf, uint32 max_len, uint32 len)
 439 {
 440         if (!ps->io) {
 441                 /* writing: go back and do a retrospective job.  i hate this */
 442
 443                 uint32 old_offset = prs_offset(ps);
 444
 445                 init_buf_hdr(hdr, max_len, len);
 446                 if(!prs_set_offset(ps, ptr_hdrbuf))
 447                         return False;
 448                 if(!smb_io_hdrbuf(desc, hdr, ps, depth))
 449                         return False;
 450
 451                 if(!prs_set_offset(ps, old_offset))
 452                         return False;
 453         }
 454
 455         return True;
 456 }
 457
 458 /*******************************************************************
 459  Reads or writes a BUFHDR structure.
 460 ********************************************************************/
 461
 462 BOOL smb_io_hdrbuf(const char *desc, BUFHDR *hdr, prs_struct *ps, int depth)
 463 {
 464         if (hdr == NULL)
 465                 return False;
 466
 467         prs_debug(ps, depth, desc, "smb_io_hdrbuf");
 468         depth++;
 469
 470         if(!prs_align(ps))
 471                 return False;
 472
 473         if(!prs_uint32("buf_max_len", ps, depth, &hdr->buf_max_len))
 474                 return False;
 475         if(!prs_uint32("buf_len    ", ps, depth, &hdr->buf_len))
 476                 return False;
 477
 478         return True;
 479 }
 480
 481 /*******************************************************************
 482 creates a UNIHDR2 structure.
 483 ********************************************************************/
 484
 485 void init_uni_hdr2(UNIHDR2 *hdr, UNISTR2 *str2)
 486 {
 487         init_uni_hdr(&hdr->unihdr, str2);
 488         hdr->buffer = (str2->uni_str_len > 0) ? 1 : 0;
 489 }
 490
 491 /*******************************************************************
 492  Reads or writes a UNIHDR2 structure.
 493 ********************************************************************/
 494
 495 BOOL smb_io_unihdr2(const char *desc, UNIHDR2 *hdr2, prs_struct *ps, int depth)
 496 {
 497         if (hdr2 == NULL)
 498                 return False;
 499
 500         prs_debug(ps, depth, desc, "smb_io_unihdr2");
 501         depth++;
 502
 503         if(!prs_align(ps))
 504                 return False;
 505
 506         if(!smb_io_unihdr("hdr", &hdr2->unihdr, ps, depth))
 507                 return False;
 508         if(!prs_uint32("buffer", ps, depth, &hdr2->buffer))
 509                 return False;
 510
 511         return True;
 512 }
 513
 514 /*******************************************************************
 515  Inits a UNISTR structure.
 516 ********************************************************************/
 517
 518 void init_unistr(UNISTR *str, const char *buf)
 519 {
 520         size_t len;
 521
 522         if (buf == NULL) {
 523                 str->buffer = NULL;
 524                 return;
 525         }
 526
 527
 528         len = strlen(buf) + 1;
 529
 530         if (len < MAX_UNISTRLEN)
 531                 len = MAX_UNISTRLEN;
 532         len *= sizeof(uint16);
 533
 534         str->buffer = (uint16 *)talloc_zero(get_talloc_ctx(), len);
 535         if (str->buffer == NULL)
 536                 smb_panic("init_unistr: malloc fail\n");
 537
 538         rpcstr_push(str->buffer, buf, len, STR_TERMINATE);
 539 }
 540
 541 /*******************************************************************
 542 reads or writes a UNISTR structure.
 543 XXXX NOTE: UNISTR structures NEED to be null-terminated.
 544 ********************************************************************/
 545
 546 BOOL smb_io_unistr(const char *desc, UNISTR *uni, prs_struct *ps, int depth)
 547 {
 548         if (uni == NULL)
 549                 return False;
 550
 551         prs_debug(ps, depth, desc, "smb_io_unistr");
 552         depth++;
 553
 554         if(!prs_unistr("unistr", ps, depth, uni))
 555                 return False;
 556
 557         return True;
 558 }
 559
 560 /*******************************************************************
 561  Allocate the BUFFER3 memory.
 562 ********************************************************************/
 563
 564 static void create_buffer3(BUFFER3 *str, size_t len)
 565 {
 566         if (len < MAX_BUFFERLEN)
 567                 len = MAX_BUFFERLEN;
 568
 569     str->buffer = talloc_zero(get_talloc_ctx(), len);
 570         if (str->buffer == NULL)
 571                 smb_panic("create_buffer3: talloc fail\n");
 572
 573 }
 574
 575 /*******************************************************************
 576  Inits a BUFFER3 structure from a uint32
 577 ********************************************************************/
 578
 579 void init_buffer3_uint32(BUFFER3 *str, uint32 val)
 580 {
 581         ZERO_STRUCTP(str);
 582
 583         /* set up string lengths. */
 584         str->buf_max_len = sizeof(uint32);
 585         str->buf_len     = sizeof(uint32);
 586
 587         create_buffer3(str, sizeof(uint32));
 588         SIVAL(str->buffer, 0, val);
 589 }
 590
 591 /*******************************************************************
 592  Inits a BUFFER3 structure.
 593 ********************************************************************/
 594
 595 void init_buffer3_str(BUFFER3 *str, const char *buf, int len)
 596 {
 597         ZERO_STRUCTP(str);
 598
 599         /* set up string lengths. */
 600         str->buf_max_len = len * 2;
 601         str->buf_len = len * 2;
 602
 603         create_buffer3(str, str->buf_max_len);
 604
 605         rpcstr_push(str->buffer, buf, str->buf_max_len, STR_TERMINATE);
 606
 607 }
 608
 609 /*******************************************************************
 610  Inits a BUFFER3 structure from a hex string.
 611 ********************************************************************/
 612
 613 void init_buffer3_hex(BUFFER3 *str, const char *buf)
 614 {
 615         ZERO_STRUCTP(str);
 616         create_buffer3(str, strlen(buf));
 617         str->buf_max_len = str->buf_len = strhex_to_str((char *)str->buffer, sizeof(str->buffer), buf);
 618 }
 619
 620 /*******************************************************************
 621  Inits a BUFFER3 structure.
 622 ********************************************************************/
 623
 624 void init_buffer3_bytes(BUFFER3 *str, uint8 *buf, int len)
 625 {
 626         ZERO_STRUCTP(str);
 627
 628         /* max buffer size (allocated size) */
 629         str->buf_max_len = len;
 630         if (buf != NULL) {
 631                 create_buffer3(str, len);
 632                 memcpy(str->buffer, buf, len);
 633         }
 634         str->buf_len = buf != NULL ? len : 0;
 635 }
 636
 637 /*******************************************************************
 638  Reads or writes a BUFFER3 structure.
 639    the uni_max_len member tells you how large the buffer is.
 640    the uni_str_len member tells you how much of the buffer is really used.
 641 ********************************************************************/
 642
 643 BOOL smb_io_buffer3(const char *desc, BUFFER3 *buf3, prs_struct *ps, int depth)
 644 {
 645         if (buf3 == NULL)
 646                 return False;
 647
 648         prs_debug(ps, depth, desc, "smb_io_buffer3");
 649         depth++;
 650
 651         if(!prs_align(ps))
 652                 return False;
 653
 654         if(!prs_uint32("uni_max_len", ps, depth, &buf3->buf_max_len))
 655                 return False;
 656
 657         if (UNMARSHALLING(ps)) {
 658                 buf3->buffer = (unsigned char *)prs_alloc_mem(ps, buf3->buf_max_len);
 659                 if (buf3->buffer == NULL)
 660                         return False;
 661         }
 662
 663         if(!prs_uint8s(True, "buffer     ", ps, depth, buf3->buffer, buf3->buf_max_len))
 664                 return False;
 665
 666         if(!prs_uint32("buf_len    ", ps, depth, &buf3->buf_len))
 667                 return False;
 668
 669         return True;
 670 }
 671
 672 /*******************************************************************
 673 reads or writes a BUFFER5 structure.
 674 the buf_len member tells you how large the buffer is.
 675 ********************************************************************/
 676 BOOL smb_io_buffer5(const char *desc, BUFFER5 *buf5, prs_struct *ps, int depth)
 677 {
 678         prs_debug(ps, depth, desc, "smb_io_buffer5");
 679         depth++;
 680
 681         if (buf5 == NULL) return False;
 682
 683         if(!prs_align(ps))
 684                 return False;
 685         if(!prs_uint32("buf_len", ps, depth, &buf5->buf_len))
 686                 return False;
 687
 688         if(buf5->buf_len) {
 689                 if(!prs_buffer5(True, "buffer" , ps, depth, buf5))
 690                         return False;
 691         }
 692
 693         return True;
 694 }
 695
 696 /*******************************************************************
 697  Inits a BUFFER2 structure.
 698 ********************************************************************/
 699
 700 void init_buffer2(BUFFER2 *str, const uint8 *buf, size_t len)
 701 {
 702         ZERO_STRUCTP(str);
 703
 704         /* max buffer size (allocated size) */
 705         str->buf_max_len = len;
 706         str->offset = 0;
 707         str->buf_len = buf != NULL ? len : 0;
 708
 709         if (buf != NULL) {
 710                 if (len < MAX_BUFFERLEN)
 711                         len = MAX_BUFFERLEN;
 712                 str->buffer = talloc_zero(get_talloc_ctx(), len);
 713                 if (str->buffer == NULL)
 714                         smb_panic("init_buffer2: talloc fail\n");
 715                 memcpy(str->buffer, buf, MIN(str->buf_len, len));
 716         }
 717 }
 718
 719 /*******************************************************************
 720  Reads or writes a BUFFER2 structure.
 721    the uni_max_len member tells you how large the buffer is.
 722    the uni_str_len member tells you how much of the buffer is really used.
 723 ********************************************************************/
 724
 725 BOOL smb_io_buffer2(const char *desc, BUFFER2 *buf2, uint32 buffer, prs_struct *ps, int depth)
 726 {
 727         if (buf2 == NULL)
 728                 return False;
 729
 730         if (buffer) {
 731
 732                 prs_debug(ps, depth, desc, "smb_io_buffer2");
 733                 depth++;
 734
 735                 if(!prs_align(ps))
 736                         return False;
 737
 738                 if(!prs_uint32("uni_max_len", ps, depth, &buf2->buf_max_len))
 739                         return False;
 740                 if(!prs_uint32("offset     ", ps, depth, &buf2->offset))
 741                         return False;
 742                 if(!prs_uint32("buf_len    ", ps, depth, &buf2->buf_len))
 743                         return False;
 744
 745                 /* buffer advanced by indicated length of string
 746                    NOT by searching for null-termination */
 747
 748                 if(!prs_buffer2(True, "buffer     ", ps, depth, buf2))
 749                         return False;
 750
 751         } else {
 752
 753                 prs_debug(ps, depth, desc, "smb_io_buffer2 - NULL");
 754                 depth++;
 755                 memset((char *)buf2, '\0', sizeof(*buf2));
 756
 757         }
 758         return True;
 759 }
 760
 761 /*******************************************************************
 762 creates a UNISTR2 structure: sets up the buffer, too
 763 ********************************************************************/
 764
 765 void init_buf_unistr2(UNISTR2 *str, uint32 *ptr, const char *buf)
 766 {
 767         if (buf != NULL) {
 768                 *ptr = 1;
 769                 init_unistr2(str, buf, UNI_STR_TERMINATE);
 770         } else {
 771                 *ptr = 0;
 772                 init_unistr2(str, NULL, UNI_FLAGS_NONE);
 773
 774         }
 775 }
 776
 777 /*******************************************************************
 778  Copies a UNISTR2 structure.
 779 ********************************************************************/
 780
 781 void copy_unistr2(UNISTR2 *str, const UNISTR2 *from)
 782 {
 783         str->uni_max_len = from->uni_max_len;
 784         str->offset      = from->offset;
 785         str->uni_str_len = from->uni_str_len;
 786
 787         if (from->buffer == NULL)
 788                 return;
 789
 790         /* the string buffer is allocated to the maximum size
 791            (the the length of the source string) to prevent
 792            reallocation of memory. */
 793         if (str->buffer == NULL) {
 794                 size_t len = from->uni_max_len * sizeof(uint16);
 795
 796                 if (len < MAX_UNISTRLEN)
 797                         len = MAX_UNISTRLEN;
 798                 len *= sizeof(uint16);
 799
 800                 str->buffer = (uint16 *)talloc_zero(get_talloc_ctx(), len);
 801                 if ((str->buffer == NULL) && (len > 0 )) {
 802                         smb_panic("copy_unistr2: talloc fail\n");
 803                         return;
 804                 }
 805         }
 806
 807         /* copy the string */
 808         memcpy(str->buffer, from->buffer, from->uni_max_len*sizeof(uint16));
 809 }
 810
 811 /*******************************************************************
 812  Creates a STRING2 structure.
 813 ********************************************************************/
 814
 815 void init_string2(STRING2 *str, const char *buf, int max_len, int str_len)
 816 {
 817         int alloc_len = 0;
 818
 819         /* set up string lengths. */
 820         str->str_max_len = max_len;
 821         str->offset = 0;
 822         str->str_str_len = str_len;
 823
 824         /* store the string */
 825         if(str_len != 0) {
 826                 if (str_len < MAX_STRINGLEN)
 827                         alloc_len = MAX_STRINGLEN;
 828                 str->buffer = talloc_zero(get_talloc_ctx(), alloc_len);
 829                 if (str->buffer == NULL)
 830                         smb_panic("init_string2: malloc fail\n");
 831                 memcpy(str->buffer, buf, str_len);
 832         }
 833 }
 834
 835 /*******************************************************************
 836  Reads or writes a STRING2 structure.
 837  XXXX NOTE: STRING2 structures need NOT be null-terminated.
 838    the str_str_len member tells you how long the string is;
 839    the str_max_len member tells you how large the buffer is.
 840 ********************************************************************/
 841
 842 BOOL smb_io_string2(const char *desc, STRING2 *str2, uint32 buffer, prs_struct *ps, int depth)
 843 {
 844         if (str2 == NULL)
 845                 return False;
 846
 847         if (buffer) {
 848
 849                 prs_debug(ps, depth, desc, "smb_io_string2");
 850                 depth++;
 851
 852                 if(!prs_align(ps))
 853                         return False;
 854
 855                 if(!prs_uint32("str_max_len", ps, depth, &str2->str_max_len))
 856                         return False;
 857                 if(!prs_uint32("offset     ", ps, depth, &str2->offset))
 858                         return False;
 859                 if(!prs_uint32("str_str_len", ps, depth, &str2->str_str_len))
 860                         return False;
 861
 862                 /* buffer advanced by indicated length of string
 863                    NOT by searching for null-termination */
 864                 if(!prs_string2(True, "buffer     ", ps, depth, str2))
 865                         return False;
 866
 867         } else {
 868
 869                 prs_debug(ps, depth, desc, "smb_io_string2 - NULL");
 870                 depth++;
 871                 memset((char *)str2, '\0', sizeof(*str2));
 872
 873         }
 874
 875         return True;
 876 }
 877
 878 /*******************************************************************
 879  Inits a UNISTR2 structure.
 880 ********************************************************************/
 881
 882 void init_unistr2(UNISTR2 *str, const char *buf, enum unistr2_term_codes flags)
 883 {
 884         size_t len = 0;
 885         uint32 num_chars = 0;
 886
 887         if (buf) {
 888                 /* We always null terminate the copy. */
 889                 len = strlen(buf) + 1;
 890         }
 891
 892         if (len < MAX_UNISTRLEN)
 893                 len = MAX_UNISTRLEN;
 894         len *= sizeof(uint16);
 895
 896         str->buffer = (uint16 *)talloc_zero(get_talloc_ctx(), len);
 897         if ((str->buffer == NULL) && (len > 0)) {
 898                 smb_panic("init_unistr2: malloc fail\n");
 899                 return;
 900         }
 901
 902         /*
 903          * The UNISTR2 must be initialized !!!
 904          * jfm, 7/7/2001.
 905          */
 906         if (buf) {
 907                 rpcstr_push((char *)str->buffer, buf, len, STR_TERMINATE);
 908                 num_chars = strlen_w(str->buffer);
 909                 if (flags == STR_TERMINATE || flags == UNI_MAXLEN_TERMINATE) {
 910                         num_chars++;
 911                 }
 912         }
 913
 914         str->uni_max_len = num_chars;
 915         str->offset = 0;
 916         str->uni_str_len = num_chars;
 917         if (num_chars && (flags == UNI_MAXLEN_TERMINATE))
 918                 str->uni_max_len++;
 919 }
 920
 921 /**
 922  *  Inits a UNISTR2 structure.
 923  *  @param  ctx talloc context to allocate string on
 924  *  @param  str pointer to string to create
 925  *  @param  buf UCS2 null-terminated buffer to init from
 926 */
 927
 928 void init_unistr2_w(TALLOC_CTX *ctx, UNISTR2 *str, const smb_ucs2_t *buf)
 929 {
 930         uint32 len = strlen_w(buf);
 931         uint32 max_len = len;
 932         uint32 alloc_len;
 933
 934         ZERO_STRUCTP(str);
 935
 936         /* set up string lengths. */
 937         str->uni_max_len = len;
 938         str->offset = 0;
 939         str->uni_str_len = len;
 940
 941         if (max_len < MAX_UNISTRLEN)
 942                 max_len = MAX_UNISTRLEN;
 943
 944         alloc_len = (max_len + 1) * sizeof(uint16);
 945
 946         str->buffer = (uint16 *)talloc_zero(ctx, alloc_len);
 947         if ((str->buffer == NULL) && (alloc_len > 0)) {
 948                 smb_panic("init_unistr2_w: malloc fail\n");
 949                 return;
 950         }
 951
 952         /*
 953          * don't move this test above ! The UNISTR2 must be initialized !!!
 954          * jfm, 7/7/2001.
 955          */
 956         if (buf==NULL)
 957                 return;
 958
 959         /* Yes, this is a strncpy( foo, bar, strlen(bar)) - but as
 960            long as the buffer above is talloc()ed correctly then this
 961            is the correct thing to do */
 962         strncpy_w(str->buffer, buf, len + 1);
 963 }
 964
 965 /*******************************************************************
 966  Inits a UNISTR2 structure from a UNISTR
 967 ********************************************************************/
 968
 969 void init_unistr2_from_unistr(UNISTR2 *to, const UNISTR *from)
 970 {
 971         uint32 i;
 972
 973         /* the destination UNISTR2 should never be NULL.
 974            if it is it is a programming error */
 975
 976         /* if the source UNISTR is NULL, then zero out
 977            the destination string and return */
 978         ZERO_STRUCTP (to);
 979         if ((from == NULL) || (from->buffer == NULL))
 980                 return;
 981
 982         /* get the length; UNISTR must be NULL terminated */
 983         i = 0;
 984         while ((from->buffer)[i]!='\0')
 985                 i++;
 986         i++;    /* one more to catch the terminating NULL */
 987                 /* is this necessary -- jerry?  I need to think */
 988
 989         /* set up string lengths; uni_max_len is set to i+1
 990            because we need to account for the final NULL termination */
 991         to->uni_max_len = i;
 992         to->offset = 0;
 993         to->uni_str_len = i;
 994
 995         /* allocate the space and copy the string buffer */
 996         to->buffer = (uint16 *)talloc_zero(get_talloc_ctx(), sizeof(uint16)*(to->uni_str_len));
 997         if (to->buffer == NULL)
 998                 smb_panic("init_unistr2_from_unistr: malloc fail\n");
 999         memcpy(to->buffer, from->buffer, to->uni_max_len*sizeof(uint16));
1000         return;
1001 }
1002
1003 /*******************************************************************
1004   Inits a UNISTR2 structure from a DATA_BLOB.
1005   The length of the data_blob must count the bytes of the buffer.
1006   Copies the blob data.
1007 ********************************************************************/
1008
1009 void init_unistr2_from_datablob(UNISTR2 *str, DATA_BLOB *blob)
1010 {
1011         /* Allocs the unistring */
1012         init_unistr2(str, NULL, UNI_FLAGS_NONE);
1013
1014         /* Sets the values */
1015         str->uni_str_len = blob->length / sizeof(uint16);
1016         str->uni_max_len = str->uni_str_len;
1017         str->offset = 0;
1018         str->buffer = (uint16 *) memdup(blob->data, blob->length);
1019         if (!str->buffer) {
1020                 smb_panic("init_unistr2_from_datablob: malloc fail\n");
1021         }
1022 }
1023
1024 /*******************************************************************
1025  Reads or writes a UNISTR2 structure.
1026  XXXX NOTE: UNISTR2 structures need NOT be null-terminated.
1027    the uni_str_len member tells you how long the string is;
1028    the uni_max_len member tells you how large the buffer is.
1029 ********************************************************************/
1030
1031 BOOL smb_io_unistr2(const char *desc, UNISTR2 *uni2, uint32 buffer, prs_struct *ps, int depth)
1032 {
1033         if (uni2 == NULL)
1034                 return False;
1035
1036         if (buffer) {
1037
1038                 prs_debug(ps, depth, desc, "smb_io_unistr2");
1039                 depth++;
1040
1041                 if(!prs_align(ps))
1042                         return False;
1043
1044                 if(!prs_uint32("uni_max_len", ps, depth, &uni2->uni_max_len))
1045                         return False;
1046                 if(!prs_uint32("offset     ", ps, depth, &uni2->offset))
1047                         return False;
1048                 if(!prs_uint32("uni_str_len", ps, depth, &uni2->uni_str_len))
1049                         return False;
1050
1051                 /* buffer advanced by indicated length of string
1052                    NOT by searching for null-termination */
1053                 if(!prs_unistr2(True, "buffer     ", ps, depth, uni2))
1054                         return False;
1055
1056         } else {
1057
1058                 prs_debug(ps, depth, desc, "smb_io_unistr2 - NULL");
1059                 depth++;
1060                 memset((char *)uni2, '\0', sizeof(*uni2));
1061
1062         }
1063
1064         return True;
1065 }
1066
1067
1068 /*
1069   initialise a UNISTR_ARRAY from a char**
1070 */
1071 BOOL init_unistr2_array(UNISTR2_ARRAY *array,
1072                        uint32 count, const char **strings)
1073 {
1074         unsigned int i;
1075
1076         array->count = count;
1077         array->ref_id = count?1:0;
1078         if (array->count == 0) {
1079                 return True;
1080         }
1081
1082         array->strings = (UNISTR2_ARRAY_EL *)talloc_zero(get_talloc_ctx(), count * sizeof(UNISTR2_ARRAY_EL));
1083         if (!array->strings) {
1084                 return False;
1085         }
1086
1087         for (i=0;i<count;i++) {
1088                 init_unistr2(&array->strings[i].string, strings[i], UNI_FLAGS_NONE);
1089                 array->strings[i].size = array->strings[i].string.uni_max_len*2;
1090                 array->strings[i].length = array->strings[i].size;
1091                 array->strings[i].ref_id = 1;
1092         }
1093
1094         return True;
1095 }
1096
1097 /*******************************************************************
1098  Reads or writes a UNISTR2_ARRAY structure.
1099 ********************************************************************/
1100 BOOL smb_io_unistr2_array(const char *desc, UNISTR2_ARRAY *array, prs_struct *ps, int depth)
1101 {
1102         unsigned int i;
1103
1104         prs_debug(ps, depth, desc, "smb_io_unistr2_array");
1105         depth++;
1106
1107         if(!prs_uint32("ref_id", ps, depth, &array->ref_id))
1108                 return False;
1109
1110         if (! array->ref_id) {
1111                 return True;
1112         }
1113
1114         if(!prs_uint32("count", ps, depth, &array->count))
1115                 return False;
1116
1117         if (array->count == 0) {
1118                 return True;
1119         }
1120
1121         if (UNMARSHALLING(ps)) {
1122                 array->strings = talloc_zero(get_talloc_ctx(), array->count * sizeof(array->strings[0]));
1123         }
1124         if (! array->strings) {
1125                 return False;
1126         }
1127
1128         for (i=0;i<array->count;i++) {
1129                 if(!prs_uint16("length", ps, depth, &array->strings[i].length))
1130                         return False;
1131                 if(!prs_uint16("size", ps, depth, &array->strings[i].size))
1132                         return False;
1133                 if(!prs_uint32("ref_id", ps, depth, &array->strings[i].ref_id))
1134                         return False;
1135         }
1136
1137         for (i=0;i<array->count;i++) {
1138                 if (! smb_io_unistr2("string", &array->strings[i].string, array->strings[i].ref_id, ps, depth))
1139                         return False;
1140         }
1141
1142         return True;
1143 }
1144
1145
1146 /*******************************************************************
1147  Inits a DOM_RID2 structure.
1148 ********************************************************************/
1149
1150 void init_dom_rid2(DOM_RID2 *rid2, uint32 rid, uint8 type, uint32 idx)
1151 {
1152         rid2->type    = type;
1153         rid2->rid     = rid;
1154         rid2->rid_idx = idx;
1155 }
1156
1157 /*******************************************************************
1158  Reads or writes a DOM_RID2 structure.
1159 ********************************************************************/
1160
1161 BOOL smb_io_dom_rid2(const char *desc, DOM_RID2 *rid2, prs_struct *ps, int depth)
1162 {
1163         if (rid2 == NULL)
1164                 return False;
1165
1166         prs_debug(ps, depth, desc, "smb_io_dom_rid2");
1167         depth++;
1168
1169         if(!prs_align(ps))
1170                 return False;
1171
1172         if(!prs_uint8("type   ", ps, depth, &rid2->type))
1173                 return False;
1174         if(!prs_align(ps))
1175                 return False;
1176         if(!prs_uint32("rid    ", ps, depth, &rid2->rid))
1177                 return False;
1178         if(!prs_uint32("rid_idx", ps, depth, &rid2->rid_idx))
1179                 return False;
1180
1181         return True;
1182 }
1183
1184 /*******************************************************************
1185 creates a DOM_RID3 structure.
1186 ********************************************************************/
1187
1188 void init_dom_rid3(DOM_RID3 *rid3, uint32 rid, uint8 type)
1189 {
1190     rid3->rid      = rid;
1191     rid3->type1    = type;
1192     rid3->ptr_type = 0x1; /* non-zero, basically. */
1193     rid3->type2    = 0x1;
1194     rid3->unk      = type;
1195 }
1196
1197 /*******************************************************************
1198 reads or writes a DOM_RID3 structure.
1199 ********************************************************************/
1200
1201 BOOL smb_io_dom_rid3(const char *desc, DOM_RID3 *rid3, prs_struct *ps, int depth)
1202 {
1203         if (rid3 == NULL)
1204                 return False;
1205
1206         prs_debug(ps, depth, desc, "smb_io_dom_rid3");
1207         depth++;
1208
1209         if(!prs_align(ps))
1210                 return False;
1211
1212         if(!prs_uint32("rid     ", ps, depth, &rid3->rid))
1213                 return False;
1214         if(!prs_uint32("type1   ", ps, depth, &rid3->type1))
1215                 return False;
1216         if(!prs_uint32("ptr_type", ps, depth, &rid3->ptr_type))
1217                 return False;
1218         if(!prs_uint32("type2   ", ps, depth, &rid3->type2))
1219                 return False;
1220         if(!prs_uint32("unk     ", ps, depth, &rid3->unk))
1221                 return False;
1222
1223         return True;
1224 }
1225
1226 /*******************************************************************
1227  Inits a DOM_RID4 structure.
1228 ********************************************************************/
1229
1230 void init_dom_rid4(DOM_RID4 *rid4, uint16 unknown, uint16 attr, uint32 rid)
1231 {
1232     rid4->unknown = unknown;
1233     rid4->attr    = attr;
1234     rid4->rid     = rid;
1235 }
1236
1237 /*******************************************************************
1238  Inits a DOM_CLNT_SRV structure.
1239 ********************************************************************/
1240
1241 static void init_clnt_srv(DOM_CLNT_SRV *logcln, const char *logon_srv, const char *comp_name)
1242 {
1243         DEBUG(5,("init_clnt_srv: %d\n", __LINE__));
1244
1245         if (logon_srv != NULL) {
1246                 logcln->undoc_buffer = 1;
1247                 init_unistr2(&logcln->uni_logon_srv, logon_srv, UNI_STR_TERMINATE);
1248         } else {
1249                 logcln->undoc_buffer = 0;
1250         }
1251
1252         if (comp_name != NULL) {
1253                 logcln->undoc_buffer2 = 1;
1254                 init_unistr2(&logcln->uni_comp_name, comp_name, UNI_STR_TERMINATE);
1255         } else {
1256                 logcln->undoc_buffer2 = 0;
1257         }
1258 }
1259
1260 /*******************************************************************
1261  Inits or writes a DOM_CLNT_SRV structure.
1262 ********************************************************************/
1263
1264 static BOOL smb_io_clnt_srv(const char *desc, DOM_CLNT_SRV *logcln, prs_struct *ps, int depth)
1265 {
1266         if (logcln == NULL)
1267                 return False;
1268
1269         prs_debug(ps, depth, desc, "smb_io_clnt_srv");
1270         depth++;
1271
1272         if(!prs_align(ps))
1273                 return False;
1274
1275         if(!prs_uint32("undoc_buffer ", ps, depth, &logcln->undoc_buffer))
1276                 return False;
1277
1278         if (logcln->undoc_buffer != 0) {
1279                 if(!smb_io_unistr2("unistr2", &logcln->uni_logon_srv, logcln->undoc_buffer, ps, depth))
1280                         return False;
1281         }
1282
1283         if(!prs_align(ps))
1284                 return False;
1285
1286         if(!prs_uint32("undoc_buffer2", ps, depth, &logcln->undoc_buffer2))
1287                 return False;
1288
1289         if (logcln->undoc_buffer2 != 0) {
1290                 if(!smb_io_unistr2("unistr2", &logcln->uni_comp_name, logcln->undoc_buffer2, ps, depth))
1291                         return False;
1292         }
1293
1294         return True;
1295 }
1296
1297 /*******************************************************************
1298  Inits a DOM_LOG_INFO structure.
1299 ********************************************************************/
1300
1301 void init_log_info(DOM_LOG_INFO *loginfo, const char *logon_srv, const char *acct_name,
1302                 uint16 sec_chan, const char *comp_name)
1303 {
1304         DEBUG(5,("make_log_info %d\n", __LINE__));
1305
1306         loginfo->undoc_buffer = 1;
1307
1308         init_unistr2(&loginfo->uni_logon_srv, logon_srv, UNI_STR_TERMINATE);
1309         init_unistr2(&loginfo->uni_acct_name, acct_name, UNI_STR_TERMINATE);
1310
1311         loginfo->sec_chan = sec_chan;
1312
1313         init_unistr2(&loginfo->uni_comp_name, comp_name, UNI_STR_TERMINATE);
1314 }
1315
1316 /*******************************************************************
1317  Reads or writes a DOM_LOG_INFO structure.
1318 ********************************************************************/
1319
1320 BOOL smb_io_log_info(const char *desc, DOM_LOG_INFO *loginfo, prs_struct *ps, int depth)
1321 {
1322         if (loginfo == NULL)
1323                 return False;
1324
1325         prs_debug(ps, depth, desc, "smb_io_log_info");
1326         depth++;
1327
1328         if(!prs_align(ps))
1329                 return False;
1330
1331         if(!prs_uint32("undoc_buffer", ps, depth, &loginfo->undoc_buffer))
1332                 return False;
1333
1334         if(!smb_io_unistr2("unistr2", &loginfo->uni_logon_srv, True, ps, depth))
1335                 return False;
1336         if(!smb_io_unistr2("unistr2", &loginfo->uni_acct_name, True, ps, depth))
1337                 return False;
1338
1339         if(!prs_uint16("sec_chan", ps, depth, &loginfo->sec_chan))
1340                 return False;
1341
1342         if(!smb_io_unistr2("unistr2", &loginfo->uni_comp_name, True, ps, depth))
1343                 return False;
1344
1345         return True;
1346 }
1347
1348 /*******************************************************************
1349  Reads or writes a DOM_CHAL structure.
1350 ********************************************************************/
1351
1352 BOOL smb_io_chal(const char *desc, DOM_CHAL *chal, prs_struct *ps, int depth)
1353 {
1354         if (chal == NULL)
1355                 return False;
1356
1357         prs_debug(ps, depth, desc, "smb_io_chal");
1358         depth++;
1359
1360         if(!prs_uint8s (False, "data", ps, depth, chal->data, 8))
1361                 return False;
1362
1363         return True;
1364 }
1365
1366 /*******************************************************************
1367  Reads or writes a DOM_CRED structure.
1368 ********************************************************************/
1369
1370 BOOL smb_io_cred(const char *desc,  DOM_CRED *cred, prs_struct *ps, int depth)
1371 {
1372         if (cred == NULL)
1373                 return False;
1374
1375         prs_debug(ps, depth, desc, "smb_io_cred");
1376         depth++;
1377
1378         if(!prs_align(ps))
1379                 return False;
1380
1381         if(!smb_io_chal ("", &cred->challenge, ps, depth))
1382                 return False;
1383
1384         if(!smb_io_utime("", &cred->timestamp, ps, depth))
1385                 return False;
1386
1387         return True;
1388 }
1389
1390 /*******************************************************************
1391  Inits a DOM_CLNT_INFO2 structure.
1392 ********************************************************************/
1393
1394 void init_clnt_info2(DOM_CLNT_INFO2 *clnt,
1395                                 const char *logon_srv, const char *comp_name,
1396                                 const DOM_CRED *clnt_cred)
1397 {
1398         DEBUG(5,("make_clnt_info: %d\n", __LINE__));
1399
1400         init_clnt_srv(&clnt->login, logon_srv, comp_name);
1401
1402         if (clnt_cred != NULL) {
1403                 clnt->ptr_cred = 1;
1404                 memcpy(&clnt->cred, clnt_cred, sizeof(clnt->cred));
1405         } else {
1406                 clnt->ptr_cred = 0;
1407         }
1408 }
1409
1410 /*******************************************************************
1411  Reads or writes a DOM_CLNT_INFO2 structure.
1412 ********************************************************************/
1413
1414 BOOL smb_io_clnt_info2(const char *desc, DOM_CLNT_INFO2 *clnt, prs_struct *ps, int depth)
1415 {
1416         if (clnt == NULL)
1417                 return False;
1418
1419         prs_debug(ps, depth, desc, "smb_io_clnt_info2");
1420         depth++;
1421
1422         if(!prs_align(ps))
1423                 return False;
1424
1425         if(!smb_io_clnt_srv("", &clnt->login, ps, depth))
1426                 return False;
1427
1428         if(!prs_align(ps))
1429                 return False;
1430
1431         if(!prs_uint32("ptr_cred", ps, depth, &clnt->ptr_cred))
1432                 return False;
1433         if(!smb_io_cred("", &clnt->cred, ps, depth))
1434                 return False;
1435
1436         return True;
1437 }
1438
1439 /*******************************************************************
1440  Inits a DOM_CLNT_INFO structure.
1441 ********************************************************************/
1442
1443 void init_clnt_info(DOM_CLNT_INFO *clnt,
1444                 const char *logon_srv, const char *acct_name,
1445                 uint16 sec_chan, const char *comp_name,
1446                 const DOM_CRED *cred)
1447 {
1448         DEBUG(5,("make_clnt_info\n"));
1449
1450         init_log_info(&clnt->login, logon_srv, acct_name, sec_chan, comp_name);
1451         memcpy(&clnt->cred, cred, sizeof(clnt->cred));
1452 }
1453
1454 /*******************************************************************
1455  Reads or writes a DOM_CLNT_INFO structure.
1456 ********************************************************************/
1457
1458 BOOL smb_io_clnt_info(const char *desc,  DOM_CLNT_INFO *clnt, prs_struct *ps, int depth)
1459 {
1460         if (clnt == NULL)
1461                 return False;
1462
1463         prs_debug(ps, depth, desc, "smb_io_clnt_info");
1464         depth++;
1465
1466         if(!prs_align(ps))
1467                 return False;
1468
1469         if(!smb_io_log_info("", &clnt->login, ps, depth))
1470                 return False;
1471         if(!smb_io_cred("", &clnt->cred, ps, depth))
1472                 return False;
1473
1474         return True;
1475 }
1476
1477 /*******************************************************************
1478  Inits a DOM_LOGON_ID structure.
1479 ********************************************************************/
1480
1481 void init_logon_id(DOM_LOGON_ID *logonid, uint32 log_id_low, uint32 log_id_high)
1482 {
1483         DEBUG(5,("make_logon_id: %d\n", __LINE__));
1484
1485         logonid->low  = log_id_low;
1486         logonid->high = log_id_high;
1487 }
1488
1489 /*******************************************************************
1490  Reads or writes a DOM_LOGON_ID structure.
1491 ********************************************************************/
1492
1493 BOOL smb_io_logon_id(const char *desc, DOM_LOGON_ID *logonid, prs_struct *ps, int depth)
1494 {
1495         if (logonid == NULL)
1496                 return False;
1497
1498         prs_debug(ps, depth, desc, "smb_io_logon_id");
1499         depth++;
1500
1501         if(!prs_align(ps))
1502                 return False;
1503
1504         if(!prs_uint32("low ", ps, depth, &logonid->low ))
1505                 return False;
1506         if(!prs_uint32("high", ps, depth, &logonid->high))
1507                 return False;
1508
1509         return True;
1510 }
1511
1512 /*******************************************************************
1513  Inits an OWF_INFO structure.
1514 ********************************************************************/
1515
1516 void init_owf_info(OWF_INFO *hash, const uint8 data[16])
1517 {
1518         DEBUG(5,("init_owf_info: %d\n", __LINE__));
1519
1520         if (data != NULL)
1521                 memcpy(hash->data, data, sizeof(hash->data));
1522         else
1523                 memset((char *)hash->data, '\0', sizeof(hash->data));
1524 }
1525
1526 /*******************************************************************
1527  Reads or writes an OWF_INFO structure.
1528 ********************************************************************/
1529
1530 BOOL smb_io_owf_info(const char *desc, OWF_INFO *hash, prs_struct *ps, int depth)
1531 {
1532         if (hash == NULL)
1533                 return False;
1534
1535         prs_debug(ps, depth, desc, "smb_io_owf_info");
1536         depth++;
1537
1538         if(!prs_align(ps))
1539                 return False;
1540
1541         if(!prs_uint8s (False, "data", ps, depth, hash->data, 16))
1542                 return False;
1543
1544         return True;
1545 }
1546
1547 /*******************************************************************
1548  Reads or writes a DOM_GID structure.
1549 ********************************************************************/
1550
1551 BOOL smb_io_gid(const char *desc,  DOM_GID *gid, prs_struct *ps, int depth)
1552 {
1553         if (gid == NULL)
1554                 return False;
1555
1556         prs_debug(ps, depth, desc, "smb_io_gid");
1557         depth++;
1558
1559         if(!prs_align(ps))
1560                 return False;
1561
1562         if(!prs_uint32("g_rid", ps, depth, &gid->g_rid))
1563                 return False;
1564         if(!prs_uint32("attr ", ps, depth, &gid->attr))
1565                 return False;
1566
1567         return True;
1568 }
1569
1570 /*******************************************************************
1571  Reads or writes an POLICY_HND structure.
1572 ********************************************************************/
1573
1574 BOOL smb_io_pol_hnd(const char *desc, POLICY_HND *pol, prs_struct *ps, int depth)
1575 {
1576         if (pol == NULL)
1577                 return False;
1578
1579         prs_debug(ps, depth, desc, "smb_io_pol_hnd");
1580         depth++;
1581
1582         if(!prs_align(ps))
1583                 return False;
1584
1585         if(UNMARSHALLING(ps))
1586                 ZERO_STRUCTP(pol);
1587
1588         if (!prs_uint32("data1", ps, depth, &pol->data1))
1589                 return False;
1590         if (!prs_uint32("data2", ps, depth, &pol->data2))
1591                 return False;
1592         if (!prs_uint16("data3", ps, depth, &pol->data3))
1593                 return False;
1594         if (!prs_uint16("data4", ps, depth, &pol->data4))
1595                 return False;
1596         if(!prs_uint8s (False, "data5", ps, depth, pol->data5, sizeof(pol->data5)))
1597                 return False;
1598
1599         return True;
1600 }
1601
1602 /*******************************************************************
1603  Create a UNISTR3.
1604 ********************************************************************/
1605
1606 void init_unistr3(UNISTR3 *str, const char *buf)
1607 {
1608         size_t len;
1609
1610         if (buf == NULL) {
1611                 str->uni_str_len=0;
1612                 str->str.buffer = NULL;
1613                 return;
1614         }
1615
1616         len = strlen(buf) + 1;
1617
1618         str->uni_str_len=len;
1619
1620         if (len < MAX_UNISTRLEN)
1621                 len = MAX_UNISTRLEN;
1622
1623         len *= sizeof(uint16);
1624
1625         str->str.buffer = (uint16 *)talloc_zero(get_talloc_ctx(), len);
1626         if (str->str.buffer == NULL)
1627                 smb_panic("init_unistr3: malloc fail\n");
1628
1629         rpcstr_push((char *)str->str.buffer, buf, len, STR_TERMINATE);
1630 }
1631
1632 /*******************************************************************
1633  Reads or writes a UNISTR3 structure.
1634 ********************************************************************/
1635
1636 BOOL smb_io_unistr3(const char *desc, UNISTR3 *name, prs_struct *ps, int depth)
1637 {
1638         if (name == NULL)
1639                 return False;
1640
1641         prs_debug(ps, depth, desc, "smb_io_unistr3");
1642         depth++;
1643
1644         if(!prs_align(ps))
1645                 return False;
1646
1647         if(!prs_uint32("uni_str_len", ps, depth, &name->uni_str_len))
1648                 return False;
1649
1650         /* don't know if len is specified by uni_str_len member... */
1651         /* assume unicode string is unicode-null-terminated, instead */
1652
1653         if(!prs_unistr3(True, "unistr", name, ps, depth))
1654                 return False;
1655
1656         return True;
1657 }
1658
1659
1660 /*******************************************************************
1661  Stream a uint64_struct
1662  ********************************************************************/
1663 BOOL prs_uint64(const char *name, prs_struct *ps, int depth, UINT64_S *data64)
1664 {
1665         return prs_uint32(name, ps, depth+1, &data64->low) &&
1666                 prs_uint32(name, ps, depth+1, &data64->high);
1667 }
1668
1669 /*******************************************************************
1670 reads or writes a BUFHDR2 structure.
1671 ********************************************************************/
1672 BOOL smb_io_bufhdr2(const char *desc, BUFHDR2 *hdr, prs_struct *ps, int depth)
1673 {
1674         prs_debug(ps, depth, desc, "smb_io_bufhdr2");
1675         depth++;
1676
1677         prs_align(ps);
1678         prs_uint32("info_level", ps, depth, &(hdr->info_level));
1679         prs_uint32("length    ", ps, depth, &(hdr->length    ));
1680         prs_uint32("buffer    ", ps, depth, &(hdr->buffer    ));
1681
1682         return True;
1683 }
1684
1685 /*******************************************************************
1686 reads or writes a BUFFER4 structure.
1687 ********************************************************************/
1688 BOOL smb_io_buffer4(const char *desc, BUFFER4 *buf4, uint32 buffer, prs_struct *ps, int depth)
1689 {
1690         prs_debug(ps, depth, desc, "smb_io_buffer4");
1691         depth++;
1692
1693         prs_align(ps);
1694         prs_uint32("buf_len", ps, depth, &(buf4->buf_len));
1695
1696         if (buf4->buf_len > MAX_BUFFERLEN)
1697         {
1698                 buf4->buf_len = MAX_BUFFERLEN;
1699         }
1700
1701         prs_uint8s(True, "buffer", ps, depth, buf4->buffer, buf4->buf_len);
1702
1703         return True;
1704 }
1705
1706 /*******************************************************************
1707 creates a UNIHDR structure.
1708 ********************************************************************/
1709
1710 BOOL make_uni_hdr(UNIHDR *hdr, int len)
1711 {
1712         if (hdr == NULL)
1713         {
1714                 return False;
1715         }
1716         hdr->uni_str_len = 2 * len;
1717         hdr->uni_max_len = 2 * len;
1718         hdr->buffer      = len != 0 ? 1 : 0;
1719
1720         return True;
1721 }
1722
1723 /*******************************************************************
1724 creates a BUFHDR2 structure.
1725 ********************************************************************/
1726 BOOL make_bufhdr2(BUFHDR2 *hdr, uint32 info_level, uint32 length, uint32 buffer)
1727 {
1728         hdr->info_level = info_level;
1729         hdr->length     = length;
1730         hdr->buffer     = buffer;
1731
1732         return True;
1733 }