source/rpc_parse/parse_misc.c

   1 /*
   2  *  Unix SMB/Netbios implementation.
   3  *  Version 1.9.
   4  *  RPC Pipe client / server routines
   5  *  Copyright (C) Andrew Tridgell              1992-1997,
   6  *  Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
   7  *  Copyright (C) Paul Ashton                       1997.
   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
  25 #include "includes.h"
  26
  27 extern int DEBUGLEVEL;
  28
  29 /*******************************************************************
  30  Reads or writes a UTIME type.
  31 ********************************************************************/
  32
  33 static BOOL smb_io_utime(char *desc, UTIME *t, prs_struct *ps, int depth)
  34 {
  35         if (t == NULL)
  36                 return False;
  37
  38         prs_debug(ps, depth, desc, "smb_io_utime");
  39         depth++;
  40
  41         if(!prs_align(ps))
  42                 return False;
  43
  44         if(!prs_uint32 ("time", ps, depth, &t->time))
  45                 return False;
  46
  47         return True;
  48 }
  49
  50 /*******************************************************************
  51  Reads or writes an NTTIME structure.
  52 ********************************************************************/
  53
  54 BOOL smb_io_time(char *desc, NTTIME *nttime, prs_struct *ps, int depth)
  55 {
  56         if (nttime == NULL)
  57                 return False;
  58
  59         prs_debug(ps, depth, desc, "smb_io_time");
  60         depth++;
  61
  62         if(!prs_align(ps))
  63                 return False;
  64
  65         if(!prs_uint32("low ", ps, depth, &nttime->low)) /* low part */
  66                 return False;
  67         if(!prs_uint32("high", ps, depth, &nttime->high)) /* high part */
  68                 return False;
  69
  70         return True;
  71 }
  72
  73 /*******************************************************************
  74  Reads or writes a LOOKUP_LEVEL structure.
  75 ********************************************************************/
  76
  77 BOOL smb_io_lookup_level(char *desc, LOOKUP_LEVEL *level, prs_struct *ps, int depth)
  78 {
  79         if (level == NULL)
  80                 return False;
  81
  82         prs_debug(ps, depth, desc, "smb_io_lookup_level");
  83         depth++;
  84
  85         if(!prs_align(ps))
  86                 return False;
  87         if(!prs_uint16("value", ps, depth, &level->value))
  88                 return False;
  89         if(!prs_align(ps))
  90                 return False;
  91
  92         return True;
  93 }
  94
  95 /*******************************************************************
  96  Gets an enumeration handle from an ENUM_HND structure.
  97 ********************************************************************/
  98
  99 uint32 get_enum_hnd(ENUM_HND *enh)
 100 {
 101         return (enh && enh->ptr_hnd != 0) ? enh->handle : 0;
 102 }
 103
 104 /*******************************************************************
 105  Inits an ENUM_HND structure.
 106 ********************************************************************/
 107
 108 void init_enum_hnd(ENUM_HND *enh, uint32 hnd)
 109 {
 110         DEBUG(5,("smb_io_enum_hnd\n"));
 111
 112         enh->ptr_hnd = (hnd != 0) ? 1 : 0;
 113         enh->handle = hnd;
 114 }
 115
 116 /*******************************************************************
 117  Reads or writes an ENUM_HND structure.
 118 ********************************************************************/
 119
 120 BOOL smb_io_enum_hnd(char *desc, ENUM_HND *hnd, prs_struct *ps, int depth)
 121 {
 122         if (hnd == NULL)
 123                 return False;
 124
 125         prs_debug(ps, depth, desc, "smb_io_enum_hnd");
 126         depth++;
 127
 128         if(!prs_align(ps))
 129                 return False;
 130
 131         if(!prs_uint32("ptr_hnd", ps, depth, &hnd->ptr_hnd)) /* pointer */
 132                 return False;
 133
 134         if (hnd->ptr_hnd != 0) {
 135                 if(!prs_uint32("handle ", ps, depth, &hnd->handle )) /* enum handle */
 136                         return False;
 137         }
 138
 139         return True;
 140 }
 141
 142 /*******************************************************************
 143  Reads or writes a DOM_SID structure.
 144 ********************************************************************/
 145
 146 BOOL smb_io_dom_sid(char *desc, DOM_SID *sid, prs_struct *ps, int depth)
 147 {
 148         int i;
 149
 150         if (sid == NULL)
 151                 return False;
 152
 153         prs_debug(ps, depth, desc, "smb_io_dom_sid");
 154         depth++;
 155
 156         if(!prs_align(ps))
 157                 return False;
 158
 159         if(!prs_uint8 ("sid_rev_num", ps, depth, &sid->sid_rev_num))
 160                 return False;
 161         if(!prs_uint8 ("num_auths  ", ps, depth, &sid->num_auths))
 162                 return False;
 163
 164         for (i = 0; i < 6; i++)
 165         {
 166                 fstring tmp;
 167                 slprintf(tmp, sizeof(tmp) - 1, "id_auth[%d] ", i);
 168                 if(!prs_uint8 (tmp, ps, depth, &sid->id_auth[i]))
 169                         return False;
 170         }
 171
 172         /* oops! XXXX should really issue a warning here... */
 173         if (sid->num_auths > MAXSUBAUTHS)
 174                 sid->num_auths = MAXSUBAUTHS;
 175
 176         if(!prs_uint32s(False, "sub_auths ", ps, depth, sid->sub_auths, sid->num_auths))
 177                 return False;
 178
 179         return True;
 180 }
 181
 182 /*******************************************************************
 183  Inits a DOM_SID structure.
 184
 185  BIG NOTE: this function only does SIDS where the identauth is not >= 2^32
 186  identauth >= 2^32 can be detected because it will be specified in hex
 187 ********************************************************************/
 188
 189 void init_dom_sid(DOM_SID *sid, char *str_sid)
 190 {
 191         pstring domsid;
 192         int identauth;
 193         char *p;
 194
 195         if (str_sid == NULL)
 196         {
 197                 DEBUG(4,("netlogon domain SID: none\n"));
 198                 sid->sid_rev_num = 0;
 199                 sid->num_auths = 0;
 200                 return;
 201         }
 202
 203         pstrcpy(domsid, str_sid);
 204
 205         DEBUG(4,("init_dom_sid %d SID:  %s\n", __LINE__, domsid));
 206
 207         /* assume, but should check, that domsid starts "S-" */
 208         p = strtok(domsid+2,"-");
 209         sid->sid_rev_num = atoi(p);
 210
 211         /* identauth in decimal should be <  2^32 */
 212         /* identauth in hex     should be >= 2^32 */
 213         identauth = atoi(strtok(0,"-"));
 214
 215         DEBUG(4,("netlogon rev %d\n", sid->sid_rev_num));
 216         DEBUG(4,("netlogon %s ia %d\n", p, identauth));
 217
 218         sid->id_auth[0] = 0;
 219         sid->id_auth[1] = 0;
 220         sid->id_auth[2] = (identauth & 0xff000000) >> 24;
 221         sid->id_auth[3] = (identauth & 0x00ff0000) >> 16;
 222         sid->id_auth[4] = (identauth & 0x0000ff00) >> 8;
 223         sid->id_auth[5] = (identauth & 0x000000ff);
 224
 225         sid->num_auths = 0;
 226
 227         while ((p = strtok(0, "-")) != NULL && sid->num_auths < MAXSUBAUTHS)
 228                 sid->sub_auths[sid->num_auths++] = atoi(p);
 229
 230         DEBUG(4,("init_dom_sid: %d SID:  %s\n", __LINE__, domsid));
 231 }
 232
 233 /*******************************************************************
 234  Inits a DOM_SID2 structure.
 235 ********************************************************************/
 236
 237 void init_dom_sid2(DOM_SID2 *sid2, DOM_SID *sid)
 238 {
 239         sid2->sid = *sid;
 240         sid2->num_auths = sid2->sid.num_auths;
 241 }
 242
 243 /*******************************************************************
 244  Reads or writes a DOM_SID2 structure.
 245 ********************************************************************/
 246
 247 BOOL smb_io_dom_sid2(char *desc, DOM_SID2 *sid, prs_struct *ps, int depth)
 248 {
 249         if (sid == NULL)
 250                 return False;
 251
 252         prs_debug(ps, depth, desc, "smb_io_dom_sid2");
 253         depth++;
 254
 255         if(!prs_align(ps))
 256                 return False;
 257
 258         if(!prs_uint32("num_auths", ps, depth, &sid->num_auths))
 259                 return False;
 260
 261         if(!smb_io_dom_sid("sid", &sid->sid, ps, depth))
 262                 return False;
 263
 264         return True;
 265 }
 266
 267 /*******************************************************************
 268 creates a STRHDR structure.
 269 ********************************************************************/
 270
 271 void init_str_hdr(STRHDR *hdr, int max_len, int len, uint32 buffer)
 272 {
 273         hdr->str_max_len = max_len;
 274         hdr->str_str_len = len;
 275         hdr->buffer      = buffer;
 276 }
 277
 278 /*******************************************************************
 279  Reads or writes a STRHDR structure.
 280 ********************************************************************/
 281
 282 BOOL smb_io_strhdr(char *desc,  STRHDR *hdr, prs_struct *ps, int depth)
 283 {
 284         if (hdr == NULL)
 285                 return False;
 286
 287         prs_debug(ps, depth, desc, "smb_io_strhdr");
 288         depth++;
 289
 290         prs_align(ps);
 291
 292         if(!prs_uint16("str_str_len", ps, depth, &hdr->str_str_len))
 293                 return False;
 294         if(!prs_uint16("str_max_len", ps, depth, &hdr->str_max_len))
 295                 return False;
 296         if(!prs_uint32("buffer     ", ps, depth, &hdr->buffer))
 297                 return False;
 298
 299         /* oops! XXXX maybe issue a warning that this is happening... */
 300         if (hdr->str_max_len > MAX_STRINGLEN)
 301                 hdr->str_max_len = MAX_STRINGLEN;
 302         if (hdr->str_str_len > MAX_STRINGLEN)
 303                 hdr->str_str_len = MAX_STRINGLEN;
 304
 305         return True;
 306 }
 307
 308 /*******************************************************************
 309  Inits a UNIHDR structure.
 310 ********************************************************************/
 311
 312 void init_uni_hdr(UNIHDR *hdr, int len)
 313 {
 314         hdr->uni_str_len = 2 * len;
 315         hdr->uni_max_len = 2 * len;
 316         hdr->buffer      = len != 0 ? 1 : 0;
 317 }
 318
 319 /*******************************************************************
 320  Reads or writes a UNIHDR structure.
 321 ********************************************************************/
 322
 323 BOOL smb_io_unihdr(char *desc, UNIHDR *hdr, prs_struct *ps, int depth)
 324 {
 325         if (hdr == NULL)
 326                 return False;
 327
 328         prs_debug(ps, depth, desc, "smb_io_unihdr");
 329         depth++;
 330
 331         if(!prs_align(ps))
 332                 return False;
 333
 334         if(!prs_uint16("uni_str_len", ps, depth, &hdr->uni_str_len))
 335                 return False;
 336         if(!prs_uint16("uni_max_len", ps, depth, &hdr->uni_max_len))
 337                 return False;
 338         if(!prs_uint32("buffer     ", ps, depth, &hdr->buffer))
 339                 return False;
 340
 341         /* oops! XXXX maybe issue a warning that this is happening... */
 342         if (hdr->uni_max_len > MAX_UNISTRLEN)
 343                 hdr->uni_max_len = MAX_UNISTRLEN;
 344         if (hdr->uni_str_len > MAX_UNISTRLEN)
 345                 hdr->uni_str_len = MAX_UNISTRLEN;
 346
 347         return True;
 348 }
 349
 350 /*******************************************************************
 351  Inits a BUFHDR structure.
 352 ********************************************************************/
 353
 354 void init_buf_hdr(BUFHDR *hdr, int max_len, int len)
 355 {
 356         hdr->buf_max_len = max_len;
 357         hdr->buf_len     = len;
 358 }
 359
 360 /*******************************************************************
 361  prs_uint16 wrapper. Call this and it sets up a pointer to where the
 362  uint16 should be stored, or gets the size if reading.
 363  ********************************************************************/
 364
 365 BOOL smb_io_hdrbuf_pre(char *desc, BUFHDR *hdr, prs_struct *ps, int depth, uint32 *offset)
 366 {
 367         (*offset) = prs_offset(ps);
 368         if (ps->io) {
 369
 370                 /* reading. */
 371
 372                 if(!smb_io_hdrbuf(desc, hdr, ps, depth))
 373                         return False;
 374
 375         } else {
 376
 377                 /* writing. */
 378
 379                 if(!prs_set_offset(ps, prs_offset(ps) + (sizeof(uint32) * 2)))
 380                         return False;
 381         }
 382
 383         return True;
 384 }
 385
 386 /*******************************************************************
 387  smb_io_hdrbuf wrapper. Call this and it retrospectively stores the size.
 388  Does nothing on reading, as that is already handled by ...._pre()
 389  ********************************************************************/
 390
 391 BOOL smb_io_hdrbuf_post(char *desc, BUFHDR *hdr, prs_struct *ps, int depth,
 392                                 uint32 ptr_hdrbuf, uint32 max_len, uint32 len)
 393 {
 394         if (!ps->io) {
 395                 /* writing: go back and do a retrospective job.  i hate this */
 396
 397                 uint32 old_offset = prs_offset(ps);
 398
 399                 init_buf_hdr(hdr, max_len, len);
 400                 if(!prs_set_offset(ps, ptr_hdrbuf))
 401                         return False;
 402                 if(!smb_io_hdrbuf(desc, hdr, ps, depth))
 403                         return False;
 404
 405                 if(!prs_set_offset(ps, old_offset))
 406                         return False;
 407         }
 408
 409         return True;
 410 }
 411
 412 /*******************************************************************
 413  Reads or writes a BUFHDR structure.
 414 ********************************************************************/
 415
 416 BOOL smb_io_hdrbuf(char *desc, BUFHDR *hdr, prs_struct *ps, int depth)
 417 {
 418         if (hdr == NULL)
 419                 return False;
 420
 421         prs_debug(ps, depth, desc, "smb_io_hdrbuf");
 422         depth++;
 423
 424         if(!prs_align(ps))
 425                 return False;
 426
 427         if(!prs_uint32("buf_max_len", ps, depth, &hdr->buf_max_len))
 428                 return False;
 429         if(!prs_uint32("buf_len    ", ps, depth, &hdr->buf_len))
 430                 return False;
 431
 432         /* oops! XXXX maybe issue a warning that this is happening... */
 433         if (hdr->buf_max_len > MAX_BUFFERLEN)
 434                 hdr->buf_max_len = MAX_BUFFERLEN;
 435         if (hdr->buf_len > MAX_BUFFERLEN)
 436                 hdr->buf_len = MAX_BUFFERLEN;
 437
 438         return True;
 439 }
 440
 441 /*******************************************************************
 442 creates a UNIHDR2 structure.
 443 ********************************************************************/
 444
 445 void init_uni_hdr2(UNIHDR2 *hdr, int len)
 446 {
 447         init_uni_hdr(&hdr->unihdr, len);
 448         hdr->buffer = (len > 0) ? 1 : 0;
 449 }
 450
 451 /*******************************************************************
 452  Reads or writes a UNIHDR2 structure.
 453 ********************************************************************/
 454
 455 BOOL smb_io_unihdr2(char *desc, UNIHDR2 *hdr2, prs_struct *ps, int depth)
 456 {
 457         if (hdr2 == NULL)
 458                 return False;
 459
 460         prs_debug(ps, depth, desc, "smb_io_unihdr2");
 461         depth++;
 462
 463         if(!prs_align(ps))
 464                 return False;
 465
 466         if(!smb_io_unihdr("hdr", &hdr2->unihdr, ps, depth))
 467                 return False;
 468         if(!prs_uint32("buffer", ps, depth, &hdr2->buffer))
 469                 return False;
 470
 471         return True;
 472 }
 473
 474 /*******************************************************************
 475  Inits a UNISTR structure.
 476 ********************************************************************/
 477
 478 void init_unistr(UNISTR *str, char *buf)
 479 {
 480         /* store the string (null-terminated copy) */
 481         struni2((char *)str->buffer, buf);
 482 }
 483
 484 /*******************************************************************
 485 reads or writes a UNISTR structure.
 486 XXXX NOTE: UNISTR structures NEED to be null-terminated.
 487 ********************************************************************/
 488
 489 BOOL smb_io_unistr(char *desc, UNISTR *uni, prs_struct *ps, int depth)
 490 {
 491         if (uni == NULL)
 492                 return False;
 493
 494         prs_debug(ps, depth, desc, "smb_io_unistr");
 495         depth++;
 496
 497         if(!prs_align(ps))
 498                 return False;
 499         if(!prs_unistr("unistr", ps, depth, uni))
 500                 return False;
 501
 502         return True;
 503 }
 504
 505 /*******************************************************************
 506  Inits a BUFFER3 structure from a uint32
 507 ********************************************************************/
 508
 509 void init_buffer3_uint32(BUFFER3 *str, uint32 val)
 510 {
 511         ZERO_STRUCTP(str);
 512
 513         /* set up string lengths. */
 514         str->buf_max_len = sizeof(uint32);
 515         str->buf_len     = sizeof(uint32);
 516
 517         SIVAL(str->buffer, 0, val);
 518 }
 519
 520 /*******************************************************************
 521  Inits a BUFFER3 structure.
 522 ********************************************************************/
 523
 524 void init_buffer3_str(BUFFER3 *str, char *buf, int len)
 525 {
 526         ZERO_STRUCTP(str);
 527
 528         /* set up string lengths. */
 529         str->buf_max_len = len * 2;
 530         str->buf_len     = len * 2;
 531
 532         /* store the string (null-terminated 8 bit chars into 16 bit chars) */
 533         struni2((char *)str->buffer, buf);
 534 }
 535
 536 /*******************************************************************
 537  Inits a BUFFER3 structure from a hex string.
 538 ********************************************************************/
 539
 540 void init_buffer3_hex(BUFFER3 *str, char *buf)
 541 {
 542         ZERO_STRUCTP(str);
 543         str->buf_max_len = str->buf_len = strhex_to_str((char *)str->buffer, sizeof(str->buffer), buf);
 544 }
 545
 546 /*******************************************************************
 547  Inits a BUFFER3 structure.
 548 ********************************************************************/
 549
 550 void init_buffer3_bytes(BUFFER3 *str, uint8 *buf, int len)
 551 {
 552         ZERO_STRUCTP(str);
 553
 554         /* max buffer size (allocated size) */
 555         str->buf_max_len = len;
 556         if (buf != NULL)
 557                 memcpy(str->buffer, buf, MIN(str->buf_len, sizeof(str->buffer)));
 558         str->buf_len = buf != NULL ? len : 0;
 559 }
 560
 561 /*******************************************************************
 562  Reads or writes a BUFFER3 structure.
 563    the uni_max_len member tells you how large the buffer is.
 564    the uni_str_len member tells you how much of the buffer is really used.
 565 ********************************************************************/
 566
 567 BOOL smb_io_buffer3(char *desc, BUFFER3 *buf3, prs_struct *ps, int depth)
 568 {
 569         if (buf3 == NULL)
 570                 return False;
 571
 572         prs_debug(ps, depth, desc, "smb_io_buffer3");
 573         depth++;
 574
 575         if(!prs_align(ps))
 576                 return False;
 577
 578         if(!prs_uint32("uni_max_len", ps, depth, &buf3->buf_max_len))
 579                 return False;
 580
 581         if (buf3->buf_max_len > MAX_UNISTRLEN)
 582                 buf3->buf_max_len = MAX_UNISTRLEN;
 583
 584         if(!prs_uint8s(True, "buffer     ", ps, depth, buf3->buffer, buf3->buf_max_len))
 585                 return False;
 586
 587         if(!prs_uint32("buf_len    ", ps, depth, &buf3->buf_len))
 588                 return False;
 589         if (buf3->buf_len > MAX_UNISTRLEN)
 590                 buf3->buf_len = MAX_UNISTRLEN;
 591
 592         return True;
 593 }
 594
 595 /*******************************************************************
 596  Inits a BUFFER2 structure.
 597 ********************************************************************/
 598
 599 void init_buffer2(BUFFER2 *str, uint8 *buf, int len)
 600 {
 601         ZERO_STRUCTP(str);
 602
 603         /* max buffer size (allocated size) */
 604         str->buf_max_len = len;
 605         str->undoc       = 0;
 606         str->buf_len = buf != NULL ? len : 0;
 607
 608         if (buf != NULL)
 609                 memcpy(str->buffer, buf, MIN(str->buf_len, sizeof(str->buffer)));
 610 }
 611
 612 /*******************************************************************
 613  Reads or writes a BUFFER2 structure.
 614    the uni_max_len member tells you how large the buffer is.
 615    the uni_str_len member tells you how much of the buffer is really used.
 616 ********************************************************************/
 617
 618 BOOL smb_io_buffer2(char *desc, BUFFER2 *buf2, uint32 buffer, prs_struct *ps, int depth)
 619 {
 620         if (buf2 == NULL)
 621                 return False;
 622
 623         if (buffer) {
 624
 625                 prs_debug(ps, depth, desc, "smb_io_buffer2");
 626                 depth++;
 627
 628                 if(!prs_align(ps))
 629                         return False;
 630
 631                 if(!prs_uint32("uni_max_len", ps, depth, &buf2->buf_max_len))
 632                         return False;
 633                 if(!prs_uint32("undoc      ", ps, depth, &buf2->undoc))
 634                         return False;
 635                 if(!prs_uint32("buf_len    ", ps, depth, &buf2->buf_len))
 636                         return False;
 637
 638                 /* oops! XXXX maybe issue a warning that this is happening... */
 639                 if (buf2->buf_max_len > MAX_UNISTRLEN)
 640                         buf2->buf_max_len = MAX_UNISTRLEN;
 641                 if (buf2->buf_len > MAX_UNISTRLEN)
 642                         buf2->buf_len = MAX_UNISTRLEN;
 643
 644                 /* buffer advanced by indicated length of string
 645                    NOT by searching for null-termination */
 646
 647                 if(!prs_buffer2(True, "buffer     ", ps, depth, buf2))
 648                         return False;
 649
 650         } else {
 651
 652                 prs_debug(ps, depth, desc, "smb_io_buffer2 - NULL");
 653                 depth++;
 654                 memset((char *)buf2, '\0', sizeof(*buf2));
 655
 656         }
 657         return True;
 658 }
 659
 660 /*******************************************************************
 661 creates a UNISTR2 structure: sets up the buffer, too
 662 ********************************************************************/
 663
 664 void init_buf_unistr2(UNISTR2 *str, uint32 *ptr, char *buf)
 665 {
 666         if (buf != NULL) {
 667
 668                 *ptr = 1;
 669                 init_unistr2(str, buf, strlen(buf)+1);
 670
 671         } else {
 672
 673                 *ptr = 0;
 674                 init_unistr2(str, "", 0);
 675
 676         }
 677 }
 678
 679 /*******************************************************************
 680  Copies a UNISTR2 structure.
 681 ********************************************************************/
 682
 683 void copy_unistr2(UNISTR2 *str, UNISTR2 *from)
 684 {
 685         /* set up string lengths. add one if string is not null-terminated */
 686         str->uni_max_len = from->uni_max_len;
 687         str->undoc       = from->undoc;
 688         str->uni_str_len = from->uni_str_len;
 689
 690         /* copy the string */
 691         memcpy(str->buffer, from->buffer, sizeof(from->buffer));
 692 }
 693
 694 /*******************************************************************
 695  Creates a STRING2 structure.
 696 ********************************************************************/
 697
 698 void init_string2(STRING2 *str, char *buf, int len)
 699 {
 700   /* set up string lengths. */
 701   str->str_max_len = len;
 702   str->undoc       = 0;
 703   str->str_str_len = len;
 704
 705   /* store the string */
 706   if(len != 0)
 707     memcpy(str->buffer, buf, len);
 708 }
 709
 710 /*******************************************************************
 711  Reads or writes a STRING2 structure.
 712  XXXX NOTE: STRING2 structures need NOT be null-terminated.
 713    the str_str_len member tells you how long the string is;
 714    the str_max_len member tells you how large the buffer is.
 715 ********************************************************************/
 716
 717 BOOL smb_io_string2(char *desc, STRING2 *str2, uint32 buffer, prs_struct *ps, int depth)
 718 {
 719         if (str2 == NULL)
 720                 return False;
 721
 722         if (buffer) {
 723
 724                 prs_debug(ps, depth, desc, "smb_io_string2");
 725                 depth++;
 726
 727                 if(!prs_align(ps))
 728                         return False;
 729
 730                 if(!prs_uint32("str_max_len", ps, depth, &str2->str_max_len))
 731                         return False;
 732                 if(!prs_uint32("undoc      ", ps, depth, &str2->undoc))
 733                         return False;
 734                 if(!prs_uint32("str_str_len", ps, depth, &str2->str_str_len))
 735                         return False;
 736
 737                 /* oops! XXXX maybe issue a warning that this is happening... */
 738                 if (str2->str_max_len > MAX_STRINGLEN)
 739                         str2->str_max_len = MAX_STRINGLEN;
 740                 if (str2->str_str_len > MAX_STRINGLEN)
 741                         str2->str_str_len = MAX_STRINGLEN;
 742
 743                 /* buffer advanced by indicated length of string
 744                    NOT by searching for null-termination */
 745                 if(!prs_string2(True, "buffer     ", ps, depth, str2))
 746                         return False;
 747
 748         } else {
 749
 750                 prs_debug(ps, depth, desc, "smb_io_string2 - NULL");
 751                 depth++;
 752                 memset((char *)str2, '\0', sizeof(*str2));
 753
 754         }
 755
 756         return True;
 757 }
 758
 759 /*******************************************************************
 760  Inits a UNISTR2 structure.
 761 ********************************************************************/
 762
 763 void init_unistr2(UNISTR2 *str, char *buf, int len)
 764 {
 765         ZERO_STRUCTP(str);
 766
 767         /* set up string lengths. */
 768         str->uni_max_len = len;
 769         str->undoc       = 0;
 770         str->uni_str_len = len;
 771
 772         /* store the string (null-terminated 8 bit chars into 16 bit chars) */
 773         struni2((char *)str->buffer, buf);
 774 }
 775
 776 /*******************************************************************
 777  Reads or writes a UNISTR2 structure.
 778  XXXX NOTE: UNISTR2 structures need NOT be null-terminated.
 779    the uni_str_len member tells you how long the string is;
 780    the uni_max_len member tells you how large the buffer is.
 781 ********************************************************************/
 782
 783 BOOL smb_io_unistr2(char *desc, UNISTR2 *uni2, uint32 buffer, prs_struct *ps, int depth)
 784 {
 785         if (uni2 == NULL)
 786                 return False;
 787
 788         if (buffer) {
 789
 790                 prs_debug(ps, depth, desc, "smb_io_unistr2");
 791                 depth++;
 792
 793                 if(!prs_align(ps))
 794                         return False;
 795
 796                 if(!prs_uint32("uni_max_len", ps, depth, &uni2->uni_max_len))
 797                         return False;
 798                 if(!prs_uint32("undoc      ", ps, depth, &uni2->undoc))
 799                         return False;
 800                 if(!prs_uint32("uni_str_len", ps, depth, &uni2->uni_str_len))
 801                         return False;
 802
 803                 /* oops! XXXX maybe issue a warning that this is happening... */
 804                 if (uni2->uni_max_len > MAX_UNISTRLEN)
 805                         uni2->uni_max_len = MAX_UNISTRLEN;
 806                 if (uni2->uni_str_len > MAX_UNISTRLEN)
 807                         uni2->uni_str_len = MAX_UNISTRLEN;
 808
 809                 /* buffer advanced by indicated length of string
 810                    NOT by searching for null-termination */
 811                 if(!prs_unistr2(True, "buffer     ", ps, depth, uni2))
 812                         return False;
 813
 814         } else {
 815
 816                 prs_debug(ps, depth, desc, "smb_io_unistr2 - NULL");
 817                 depth++;
 818                 memset((char *)uni2, '\0', sizeof(*uni2));
 819
 820         }
 821
 822         return True;
 823 }
 824
 825 /*******************************************************************
 826  Inits a DOM_RID2 structure.
 827 ********************************************************************/
 828
 829 void init_dom_rid2(DOM_RID2 *rid2, uint32 rid, uint8 type, uint32 idx)
 830 {
 831         rid2->type    = type;
 832         rid2->rid     = rid;
 833         rid2->rid_idx = idx;
 834 }
 835
 836 /*******************************************************************
 837  Reads or writes a DOM_RID2 structure.
 838 ********************************************************************/
 839
 840 BOOL smb_io_dom_rid2(char *desc, DOM_RID2 *rid2, prs_struct *ps, int depth)
 841 {
 842         if (rid2 == NULL)
 843                 return False;
 844
 845         prs_debug(ps, depth, desc, "smb_io_dom_rid2");
 846         depth++;
 847
 848         if(!prs_align(ps))
 849                 return False;
 850
 851         if(!prs_uint8("type   ", ps, depth, &rid2->type))
 852                 return False;
 853         if(!prs_align(ps))
 854                 return False;
 855         if(!prs_uint32("rid    ", ps, depth, &rid2->rid))
 856                 return False;
 857         if(!prs_uint32("rid_idx", ps, depth, &rid2->rid_idx))
 858                 return False;
 859
 860         return True;
 861 }
 862
 863 /*******************************************************************
 864 creates a DOM_RID3 structure.
 865 ********************************************************************/
 866
 867 void init_dom_rid3(DOM_RID3 *rid3, uint32 rid, uint8 type)
 868 {
 869     rid3->rid      = rid;
 870     rid3->type1    = type;
 871     rid3->ptr_type = 0x1; /* non-zero, basically. */
 872     rid3->type2    = 0x1;
 873     rid3->unk      = type;
 874 }
 875
 876 /*******************************************************************
 877 reads or writes a DOM_RID3 structure.
 878 ********************************************************************/
 879
 880 BOOL smb_io_dom_rid3(char *desc, DOM_RID3 *rid3, prs_struct *ps, int depth)
 881 {
 882         if (rid3 == NULL)
 883                 return False;
 884
 885         prs_debug(ps, depth, desc, "smb_io_dom_rid3");
 886         depth++;
 887
 888         if(!prs_align(ps))
 889                 return False;
 890
 891         if(!prs_uint32("rid     ", ps, depth, &rid3->rid))
 892                 return False;
 893         if(!prs_uint32("type1   ", ps, depth, &rid3->type1))
 894                 return False;
 895         if(!prs_uint32("ptr_type", ps, depth, &rid3->ptr_type))
 896                 return False;
 897         if(!prs_uint32("type2   ", ps, depth, &rid3->type2))
 898                 return False;
 899         if(!prs_uint32("unk     ", ps, depth, &rid3->unk))
 900                 return False;
 901
 902         return True;
 903 }
 904
 905 /*******************************************************************
 906  Inits a DOM_RID4 structure.
 907 ********************************************************************/
 908
 909 void init_dom_rid4(DOM_RID4 *rid4, uint16 unknown, uint16 attr, uint32 rid)
 910 {
 911     rid4->unknown = unknown;
 912     rid4->attr    = attr;
 913     rid4->rid     = rid;
 914 }
 915
 916 /*******************************************************************
 917  Inits a DOM_CLNT_SRV structure.
 918 ********************************************************************/
 919
 920 static void init_clnt_srv(DOM_CLNT_SRV *log, char *logon_srv, char *comp_name)
 921 {
 922         DEBUG(5,("init_clnt_srv: %d\n", __LINE__));
 923
 924         if (logon_srv != NULL) {
 925                 log->undoc_buffer = 1;
 926                 init_unistr2(&(log->uni_logon_srv), logon_srv, strlen(logon_srv)+1);
 927         } else {
 928                 log->undoc_buffer = 0;
 929         }
 930
 931         if (comp_name != NULL) {
 932                 log->undoc_buffer2 = 1;
 933                 init_unistr2(&(log->uni_comp_name), comp_name, strlen(comp_name)+1);
 934         } else {
 935                 log->undoc_buffer2 = 0;
 936         }
 937 }
 938
 939 /*******************************************************************
 940  Inits or writes a DOM_CLNT_SRV structure.
 941 ********************************************************************/
 942
 943 static BOOL smb_io_clnt_srv(char *desc, DOM_CLNT_SRV *log, prs_struct *ps, int depth)
 944 {
 945         if (log == NULL)
 946                 return False;
 947
 948         prs_debug(ps, depth, desc, "smb_io_clnt_srv");
 949         depth++;
 950
 951         if(!prs_align(ps))
 952                 return False;
 953
 954         if(!prs_uint32("undoc_buffer ", ps, depth, &log->undoc_buffer))
 955                 return False;
 956
 957         if (log->undoc_buffer != 0) {
 958                 if(!smb_io_unistr2("unistr2", &log->uni_logon_srv, log->undoc_buffer, ps, depth))
 959                         return False;
 960         }
 961
 962         if(!prs_align(ps))
 963                 return False;
 964
 965         if(!prs_uint32("undoc_buffer2", ps, depth, &log->undoc_buffer2))
 966                 return False;
 967
 968         if (log->undoc_buffer2 != 0) {
 969                 if(!smb_io_unistr2("unistr2", &log->uni_comp_name, log->undoc_buffer2, ps, depth))
 970                         return False;
 971         }
 972
 973         return True;
 974 }
 975
 976 /*******************************************************************
 977  Inits a DOM_LOG_INFO structure.
 978 ********************************************************************/
 979
 980 void init_log_info(DOM_LOG_INFO *log, char *logon_srv, char *acct_name,
 981                 uint16 sec_chan, char *comp_name)
 982 {
 983         DEBUG(5,("make_log_info %d\n", __LINE__));
 984
 985         log->undoc_buffer = 1;
 986
 987         init_unistr2(&log->uni_logon_srv, logon_srv, strlen(logon_srv)+1);
 988         init_unistr2(&log->uni_acct_name, acct_name, strlen(acct_name)+1);
 989
 990         log->sec_chan = sec_chan;
 991
 992         init_unistr2(&log->uni_comp_name, comp_name, strlen(comp_name)+1);
 993 }
 994
 995 /*******************************************************************
 996  Reads or writes a DOM_LOG_INFO structure.
 997 ********************************************************************/
 998
 999 BOOL smb_io_log_info(char *desc, DOM_LOG_INFO *log, prs_struct *ps, int depth)
1000 {
1001         if (log == NULL)
1002                 return False;
1003
1004         prs_debug(ps, depth, desc, "smb_io_log_info");
1005         depth++;
1006
1007         if(!prs_align(ps))
1008                 return False;
1009
1010         if(!prs_uint32("undoc_buffer", ps, depth, &log->undoc_buffer))
1011                 return False;
1012
1013         if(!smb_io_unistr2("unistr2", &log->uni_logon_srv, True, ps, depth))
1014                 return False;
1015         if(!smb_io_unistr2("unistr2", &log->uni_acct_name, True, ps, depth))
1016                 return False;
1017
1018         if(!prs_uint16("sec_chan", ps, depth, &log->sec_chan))
1019                 return False;
1020
1021         if(!smb_io_unistr2("unistr2", &log->uni_comp_name, True, ps, depth))
1022                 return False;
1023
1024         return True;
1025 }
1026
1027 /*******************************************************************
1028  Reads or writes a DOM_CHAL structure.
1029 ********************************************************************/
1030
1031 BOOL smb_io_chal(char *desc, DOM_CHAL *chal, prs_struct *ps, int depth)
1032 {
1033         if (chal == NULL)
1034                 return False;
1035
1036         prs_debug(ps, depth, desc, "smb_io_chal");
1037         depth++;
1038
1039         if(!prs_align(ps))
1040                 return False;
1041
1042         if(!prs_uint8s (False, "data", ps, depth, chal->data, 8))
1043                 return False;
1044
1045         return True;
1046 }
1047
1048 /*******************************************************************
1049  Reads or writes a DOM_CRED structure.
1050 ********************************************************************/
1051
1052 BOOL smb_io_cred(char *desc,  DOM_CRED *cred, prs_struct *ps, int depth)
1053 {
1054         if (cred == NULL)
1055                 return False;
1056
1057         prs_debug(ps, depth, desc, "smb_io_cred");
1058         depth++;
1059
1060         if(!prs_align(ps))
1061                 return False;
1062
1063         if(!smb_io_chal ("", &cred->challenge, ps, depth))
1064                 return False;
1065         if(!smb_io_utime("", &cred->timestamp, ps, depth))
1066                 return False;
1067
1068         return True;
1069 }
1070
1071 /*******************************************************************
1072  Inits a DOM_CLNT_INFO2 structure.
1073 ********************************************************************/
1074
1075 void init_clnt_info2(DOM_CLNT_INFO2 *clnt,
1076                                 char *logon_srv, char *comp_name,
1077                                 DOM_CRED *clnt_cred)
1078 {
1079         DEBUG(5,("make_clnt_info: %d\n", __LINE__));
1080
1081         init_clnt_srv(&(clnt->login), logon_srv, comp_name);
1082
1083         if (clnt_cred != NULL) {
1084                 clnt->ptr_cred = 1;
1085                 memcpy(&(clnt->cred), clnt_cred, sizeof(clnt->cred));
1086         } else {
1087                 clnt->ptr_cred = 0;
1088         }
1089 }
1090
1091 /*******************************************************************
1092  Reads or writes a DOM_CLNT_INFO2 structure.
1093 ********************************************************************/
1094
1095 BOOL smb_io_clnt_info2(char *desc, DOM_CLNT_INFO2 *clnt, prs_struct *ps, int depth)
1096 {
1097         if (clnt == NULL)
1098                 return False;
1099
1100         prs_debug(ps, depth, desc, "smb_io_clnt_info2");
1101         depth++;
1102
1103         if(!prs_align(ps))
1104                 return False;
1105
1106         if(!smb_io_clnt_srv("", &clnt->login, ps, depth))
1107                 return False;
1108
1109         if(!prs_align(ps))
1110                 return False;
1111
1112         if(!prs_uint32("ptr_cred", ps, depth, &clnt->ptr_cred))
1113                 return False;
1114         if(!smb_io_cred("", &clnt->cred, ps, depth))
1115                 return False;
1116
1117         return True;
1118 }
1119
1120 /*******************************************************************
1121  Inits a DOM_CLNT_INFO structure.
1122 ********************************************************************/
1123
1124 void init_clnt_info(DOM_CLNT_INFO *clnt,
1125                 char *logon_srv, char *acct_name,
1126                 uint16 sec_chan, char *comp_name,
1127                                 DOM_CRED *cred)
1128 {
1129         DEBUG(5,("make_clnt_info\n"));
1130
1131         init_log_info(&clnt->login, logon_srv, acct_name, sec_chan, comp_name);
1132         memcpy(&clnt->cred, cred, sizeof(clnt->cred));
1133 }
1134
1135 /*******************************************************************
1136  Reads or writes a DOM_CLNT_INFO structure.
1137 ********************************************************************/
1138
1139 BOOL smb_io_clnt_info(char *desc,  DOM_CLNT_INFO *clnt, prs_struct *ps, int depth)
1140 {
1141         if (clnt == NULL)
1142                 return False;
1143
1144         prs_debug(ps, depth, desc, "smb_io_clnt_info");
1145         depth++;
1146
1147         if(!prs_align(ps))
1148                 return False;
1149
1150         if(!smb_io_log_info("", &clnt->login, ps, depth))
1151                 return False;
1152         if(!smb_io_cred("", &clnt->cred, ps, depth))
1153                 return False;
1154
1155         return True;
1156 }
1157
1158 /*******************************************************************
1159  Inits a DOM_LOGON_ID structure.
1160 ********************************************************************/
1161
1162 void init_logon_id(DOM_LOGON_ID *log, uint32 log_id_low, uint32 log_id_high)
1163 {
1164         DEBUG(5,("make_logon_id: %d\n", __LINE__));
1165
1166         log->low  = log_id_low;
1167         log->high = log_id_high;
1168 }
1169
1170 /*******************************************************************
1171  Reads or writes a DOM_LOGON_ID structure.
1172 ********************************************************************/
1173
1174 BOOL smb_io_logon_id(char *desc, DOM_LOGON_ID *log, prs_struct *ps, int depth)
1175 {
1176         if (log == NULL)
1177                 return False;
1178
1179         prs_debug(ps, depth, desc, "smb_io_logon_id");
1180         depth++;
1181
1182         if(!prs_align(ps))
1183                 return False;
1184
1185         if(!prs_uint32("low ", ps, depth, &log->low ))
1186                 return False;
1187         if(!prs_uint32("high", ps, depth, &log->high))
1188                 return False;
1189
1190         return True;
1191 }
1192
1193 /*******************************************************************
1194  Inits an OWF_INFO structure.
1195 ********************************************************************/
1196
1197 void init_owf_info(OWF_INFO *hash, uint8 data[16])
1198 {
1199         DEBUG(5,("init_owf_info: %d\n", __LINE__));
1200
1201         if (data != NULL)
1202                 memcpy(hash->data, data, sizeof(hash->data));
1203         else
1204                 memset((char *)hash->data, '\0', sizeof(hash->data));
1205 }
1206
1207 /*******************************************************************
1208  Reads or writes an OWF_INFO structure.
1209 ********************************************************************/
1210
1211 BOOL smb_io_owf_info(char *desc, OWF_INFO *hash, prs_struct *ps, int depth)
1212 {
1213         if (hash == NULL)
1214                 return False;
1215
1216         prs_debug(ps, depth, desc, "smb_io_owf_info");
1217         depth++;
1218
1219         if(!prs_align(ps))
1220                 return False;
1221
1222         if(!prs_uint8s (False, "data", ps, depth, hash->data, 16))
1223                 return False;
1224
1225         return True;
1226 }
1227
1228 /*******************************************************************
1229  Reads or writes a DOM_GID structure.
1230 ********************************************************************/
1231
1232 BOOL smb_io_gid(char *desc,  DOM_GID *gid, prs_struct *ps, int depth)
1233 {
1234         if (gid == NULL)
1235                 return False;
1236
1237         prs_debug(ps, depth, desc, "smb_io_gid");
1238         depth++;
1239
1240         if(!prs_align(ps))
1241                 return False;
1242
1243         if(!prs_uint32("g_rid", ps, depth, &gid->g_rid))
1244                 return False;
1245         if(!prs_uint32("attr ", ps, depth, &gid->attr))
1246                 return False;
1247
1248         return True;
1249 }
1250
1251 /*******************************************************************
1252  Reads or writes an POLICY_HND structure.
1253 ********************************************************************/
1254
1255 BOOL smb_io_pol_hnd(char *desc, POLICY_HND *pol, prs_struct *ps, int depth)
1256 {
1257         if (pol == NULL)
1258                 return False;
1259
1260         prs_debug(ps, depth, desc, "smb_io_pol_hnd");
1261         depth++;
1262
1263         if(!prs_align(ps))
1264                 return False;
1265
1266         if(!prs_uint8s (False, "data", ps, depth, pol->data, POL_HND_SIZE))
1267                 return False;
1268
1269         return True;
1270 }
1271
1272 /*******************************************************************
1273  Reads or writes a dom query structure.
1274 ********************************************************************/
1275
1276 static BOOL smb_io_dom_query(char *desc, DOM_QUERY *d_q, prs_struct *ps, int depth)
1277 {
1278         if (d_q == NULL)
1279                 return False;
1280
1281         prs_debug(ps, depth, desc, "smb_io_dom_query");
1282         depth++;
1283
1284         if(!prs_align(ps))
1285                 return False;
1286
1287         if(!prs_uint16("uni_dom_max_len", ps, depth, &d_q->uni_dom_max_len)) /* domain name string length * 2 */
1288                 return False;
1289         if(!prs_uint16("uni_dom_str_len", ps, depth, &d_q->uni_dom_str_len)) /* domain name string length * 2 */
1290                 return False;
1291
1292         if(!prs_uint32("buffer_dom_name", ps, depth, &d_q->buffer_dom_name)) /* undocumented domain name string buffer pointer */
1293                 return False;
1294         if(!prs_uint32("buffer_dom_sid ", ps, depth, &d_q->buffer_dom_sid)) /* undocumented domain SID string buffer pointer */
1295                 return False;
1296
1297         if(!smb_io_unistr2("unistr2", &d_q->uni_domain_name, d_q->buffer_dom_name, ps, depth)) /* domain name (unicode string) */
1298                 return False;
1299
1300         if (d_q->buffer_dom_sid != 0) {
1301                 if(!smb_io_dom_sid2("", &d_q->dom_sid, ps, depth)) /* domain SID */
1302                         return False;
1303         } else {
1304                 memset((char *)&d_q->dom_sid, '\0', sizeof(d_q->dom_sid));
1305         }
1306
1307         return True;
1308 }
1309
1310 /*******************************************************************
1311  Reads or writes a dom query structure.
1312 ********************************************************************/
1313
1314 BOOL smb_io_dom_query_3(char *desc, DOM_QUERY_3 *d_q, prs_struct *ps, int depth)
1315 {
1316         return smb_io_dom_query("", d_q, ps, depth);
1317 }
1318
1319 /*******************************************************************
1320  Reads or writes a dom query structure.
1321 ********************************************************************/
1322
1323 BOOL smb_io_dom_query_5(char *desc, DOM_QUERY_3 *d_q, prs_struct *ps, int depth)
1324 {
1325         return smb_io_dom_query("", d_q, ps, depth);
1326 }
1327
1328
1329 /*******************************************************************
1330  Reads or writes a UNISTR3 structure.
1331 ********************************************************************/
1332
1333 BOOL smb_io_unistr3(char *desc, UNISTR3 *name, prs_struct *ps, int depth)
1334 {
1335         if (name == NULL)
1336                 return False;
1337
1338         prs_debug(ps, depth, desc, "smb_io_unistr3");
1339         depth++;
1340
1341         if(!prs_align(ps))
1342                 return False;
1343
1344         if(!prs_uint32("uni_str_len", ps, depth, &name->uni_str_len))
1345                 return False;
1346
1347         /* don't know if len is specified by uni_str_len member... */
1348         /* assume unicode string is unicode-null-terminated, instead */
1349
1350         if(!prs_unistr3(True, "unistr", name, ps, depth))
1351                 return False;
1352
1353         return True;
1354 }