source/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, int len)
 365 {
 366         hdr->uni_str_len = 2 * len;
 367         hdr->uni_max_len = 2 * len;
 368         hdr->buffer      = 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, int len)
 486 {
 487         init_uni_hdr(&hdr->unihdr, len);
 488         hdr->buffer = (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->undoc       = 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("undoc      ", ps, depth, &buf2->undoc))
 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
 769                 *ptr = 1;
 770                 init_unistr2(str, buf, strlen(buf)+1);
 771
 772         } else {
 773
 774                 *ptr = 0;
 775                 init_unistr2(str, "", 0);
 776
 777         }
 778 }
 779
 780 /*******************************************************************
 781  Copies a UNISTR2 structure.
 782 ********************************************************************/
 783
 784 void copy_unistr2(UNISTR2 *str, const UNISTR2 *from)
 785 {
 786
 787         /* set up string lengths. add one if string is not null-terminated */
 788         str->uni_max_len = from->uni_max_len;
 789         str->undoc       = from->undoc;
 790         str->uni_str_len = from->uni_str_len;
 791
 792         if (from->buffer == NULL)
 793                 return;
 794
 795         /* the string buffer is allocated to the maximum size
 796            (the the length of the source string) to prevent
 797            reallocation of memory. */
 798         if (str->buffer == NULL) {
 799                 size_t len = from->uni_max_len * sizeof(uint16);
 800
 801                 if (len < MAX_UNISTRLEN)
 802                         len = MAX_UNISTRLEN;
 803                 len *= sizeof(uint16);
 804
 805                 str->buffer = (uint16 *)talloc_zero(get_talloc_ctx(), len);
 806                 if ((str->buffer == NULL) && (len > 0 ))
 807                 {
 808                         smb_panic("copy_unistr2: talloc fail\n");
 809                         return;
 810                 }
 811         }
 812
 813         /* copy the string */
 814         memcpy(str->buffer, from->buffer, from->uni_max_len*sizeof(uint16));
 815 }
 816
 817 /*******************************************************************
 818  Creates a STRING2 structure.
 819 ********************************************************************/
 820
 821 void init_string2(STRING2 *str, const char *buf, int max_len, int str_len)
 822 {
 823         int alloc_len = 0;
 824
 825         /* set up string lengths. */
 826         str->str_max_len = max_len;
 827         str->undoc       = 0;
 828         str->str_str_len = str_len;
 829
 830         /* store the string */
 831         if(str_len != 0) {
 832                 if (str_len < MAX_STRINGLEN)
 833                         alloc_len = MAX_STRINGLEN;
 834                 str->buffer = talloc_zero(get_talloc_ctx(), alloc_len);
 835                 if (str->buffer == NULL)
 836                         smb_panic("init_string2: malloc fail\n");
 837                 memcpy(str->buffer, buf, str_len);
 838   }
 839 }
 840
 841 /*******************************************************************
 842  Reads or writes a STRING2 structure.
 843  XXXX NOTE: STRING2 structures need NOT be null-terminated.
 844    the str_str_len member tells you how long the string is;
 845    the str_max_len member tells you how large the buffer is.
 846 ********************************************************************/
 847
 848 BOOL smb_io_string2(const char *desc, STRING2 *str2, uint32 buffer, prs_struct *ps, int depth)
 849 {
 850         if (str2 == NULL)
 851                 return False;
 852
 853         if (buffer) {
 854
 855                 prs_debug(ps, depth, desc, "smb_io_string2");
 856                 depth++;
 857
 858                 if(!prs_align(ps))
 859                         return False;
 860
 861                 if(!prs_uint32("str_max_len", ps, depth, &str2->str_max_len))
 862                         return False;
 863                 if(!prs_uint32("undoc      ", ps, depth, &str2->undoc))
 864                         return False;
 865                 if(!prs_uint32("str_str_len", ps, depth, &str2->str_str_len))
 866                         return False;
 867
 868                 /* buffer advanced by indicated length of string
 869                    NOT by searching for null-termination */
 870                 if(!prs_string2(True, "buffer     ", ps, depth, str2))
 871                         return False;
 872
 873         } else {
 874
 875                 prs_debug(ps, depth, desc, "smb_io_string2 - NULL");
 876                 depth++;
 877                 memset((char *)str2, '\0', sizeof(*str2));
 878
 879         }
 880
 881         return True;
 882 }
 883
 884 /*******************************************************************
 885  Inits a UNISTR2 structure.
 886 ********************************************************************/
 887
 888 void init_unistr2(UNISTR2 *str, const char *buf, size_t len)
 889 {
 890         ZERO_STRUCTP(str);
 891
 892         /* set up string lengths. */
 893         str->uni_max_len = (uint32)len;
 894         str->undoc       = 0;
 895         str->uni_str_len = (uint32)len;
 896
 897         if (len < MAX_UNISTRLEN)
 898                 len = MAX_UNISTRLEN;
 899         len *= sizeof(uint16);
 900
 901         str->buffer = (uint16 *)talloc_zero(get_talloc_ctx(), len);
 902         if ((str->buffer == NULL) && (len > 0))
 903         {
 904                 smb_panic("init_unistr2: malloc fail\n");
 905                 return;
 906         }
 907
 908         /*
 909          * don't move this test above ! The UNISTR2 must be initialized !!!
 910          * jfm, 7/7/2001.
 911          */
 912         if (buf==NULL)
 913                 return;
 914
 915         rpcstr_push((char *)str->buffer, buf, len, STR_TERMINATE);
 916 }
 917
 918 /**
 919  *  Inits a UNISTR2 structure.
 920  *  @param  ctx talloc context to allocate string on
 921  *  @param  str pointer to string to create
 922  *  @param  buf UCS2 null-terminated buffer to init from
 923 */
 924
 925 void init_unistr2_w(TALLOC_CTX *ctx, UNISTR2 *str, const smb_ucs2_t *buf)
 926 {
 927         uint32 len = strlen_w(buf);
 928         uint32 max_len = len;
 929         uint32 alloc_len;
 930
 931         ZERO_STRUCTP(str);
 932
 933         /* set up string lengths. */
 934         str->uni_max_len = len;
 935         str->undoc       = 0;
 936         str->uni_str_len = len;
 937
 938         if (max_len < MAX_UNISTRLEN)
 939                 max_len = MAX_UNISTRLEN;
 940
 941         alloc_len = (max_len + 1) * sizeof(uint16);
 942
 943         str->buffer = (uint16 *)talloc_zero(ctx, alloc_len);
 944         if ((str->buffer == NULL) && (alloc_len > 0))
 945         {
 946                 smb_panic("init_unistr2_w: malloc fail\n");
 947                 return;
 948         }
 949
 950         /*
 951          * don't move this test above ! The UNISTR2 must be initialized !!!
 952          * jfm, 7/7/2001.
 953          */
 954         if (buf==NULL)
 955                 return;
 956
 957         /* Yes, this is a strncpy( foo, bar, strlen(bar)) - but as
 958            long as the buffer above is talloc()ed correctly then this
 959            is the correct thing to do */
 960         strncpy_w(str->buffer, buf, len + 1);
 961 }
 962
 963 /*******************************************************************
 964  Inits a UNISTR2 structure from a UNISTR
 965 ********************************************************************/
 966 void init_unistr2_from_unistr (UNISTR2 *to, const UNISTR *from)
 967 {
 968
 969         uint32 i;
 970
 971         /* the destination UNISTR2 should never be NULL.
 972            if it is it is a programming error */
 973
 974         /* if the source UNISTR is NULL, then zero out
 975            the destination string and return */
 976         ZERO_STRUCTP (to);
 977         if ((from == NULL) || (from->buffer == NULL))
 978                 return;
 979
 980         /* get the length; UNISTR must be NULL terminated */
 981         i = 0;
 982         while ((from->buffer)[i]!='\0')
 983                 i++;
 984         i++;    /* one more to catch the terminating NULL */
 985                 /* is this necessary -- jerry?  I need to think */
 986
 987         /* set up string lengths; uni_max_len is set to i+1
 988            because we need to account for the final NULL termination */
 989         to->uni_max_len = i;
 990         to->undoc       = 0;
 991         to->uni_str_len = i;
 992
 993         /* allocate the space and copy the string buffer */
 994         to->buffer = (uint16 *)talloc_zero(get_talloc_ctx(), sizeof(uint16)*(to->uni_str_len));
 995         if (to->buffer == NULL)
 996                 smb_panic("init_unistr2_from_unistr: malloc fail\n");
 997         memcpy(to->buffer, from->buffer, to->uni_max_len*sizeof(uint16));
 998
 999         return;
1000 }
1001
1002
1003 /*******************************************************************
1004  Reads or writes a UNISTR2 structure.
1005  XXXX NOTE: UNISTR2 structures need NOT be null-terminated.
1006    the uni_str_len member tells you how long the string is;
1007    the uni_max_len member tells you how large the buffer is.
1008 ********************************************************************/
1009
1010 BOOL smb_io_unistr2(const char *desc, UNISTR2 *uni2, uint32 buffer, prs_struct *ps, int depth)
1011 {
1012         if (uni2 == NULL)
1013                 return False;
1014
1015         if (buffer) {
1016
1017                 prs_debug(ps, depth, desc, "smb_io_unistr2");
1018                 depth++;
1019
1020                 if(!prs_align(ps))
1021                         return False;
1022
1023                 if(!prs_uint32("uni_max_len", ps, depth, &uni2->uni_max_len))
1024                         return False;
1025                 if(!prs_uint32("undoc      ", ps, depth, &uni2->undoc))
1026                         return False;
1027                 if(!prs_uint32("uni_str_len", ps, depth, &uni2->uni_str_len))
1028                         return False;
1029
1030                 /* buffer advanced by indicated length of string
1031                    NOT by searching for null-termination */
1032                 if(!prs_unistr2(True, "buffer     ", ps, depth, uni2))
1033                         return False;
1034
1035         } else {
1036
1037                 prs_debug(ps, depth, desc, "smb_io_unistr2 - NULL");
1038                 depth++;
1039                 memset((char *)uni2, '\0', sizeof(*uni2));
1040
1041         }
1042
1043         return True;
1044 }
1045
1046
1047 /*
1048   initialise a UNISTR_ARRAY from a char**
1049 */
1050 BOOL init_unistr2_array(UNISTR2_ARRAY *array,
1051                        uint32 count, const char **strings)
1052 {
1053         unsigned int i;
1054
1055         array->count = count;
1056         array->ref_id = count?1:0;
1057         if (array->count == 0) {
1058                 return True;
1059         }
1060
1061         array->strings = (UNISTR2_ARRAY_EL *)talloc_zero(get_talloc_ctx(), count * sizeof(UNISTR2_ARRAY_EL));
1062         if (!array->strings) {
1063                 return False;
1064         }
1065
1066         for (i=0;i<count;i++) {
1067                 init_unistr2(&array->strings[i].string, strings[i], strlen(strings[i]));
1068                 array->strings[i].size = array->strings[i].string.uni_max_len*2;
1069                 array->strings[i].length = array->strings[i].size;
1070                 array->strings[i].ref_id = 1;
1071         }
1072
1073         return True;
1074 }
1075
1076 /*******************************************************************
1077  Reads or writes a UNISTR2_ARRAY structure.
1078 ********************************************************************/
1079 BOOL smb_io_unistr2_array(const char *desc, UNISTR2_ARRAY *array, prs_struct *ps, int depth)
1080 {
1081         unsigned int i;
1082
1083         prs_debug(ps, depth, desc, "smb_io_unistr2_array");
1084         depth++;
1085
1086         if(!prs_uint32("ref_id", ps, depth, &array->ref_id))
1087                 return False;
1088
1089         if (! array->ref_id) {
1090                 return True;
1091         }
1092
1093         if(!prs_uint32("count", ps, depth, &array->count))
1094                 return False;
1095
1096         if (array->count == 0) {
1097                 return True;
1098         }
1099
1100         if (UNMARSHALLING(ps)) {
1101                 array->strings = talloc_zero(get_talloc_ctx(), array->count * sizeof(array->strings[0]));
1102         }
1103         if (! array->strings) {
1104                 return False;
1105         }
1106
1107         for (i=0;i<array->count;i++) {
1108                 if(!prs_uint16("length", ps, depth, &array->strings[i].length))
1109                         return False;
1110                 if(!prs_uint16("size", ps, depth, &array->strings[i].size))
1111                         return False;
1112                 if(!prs_uint32("ref_id", ps, depth, &array->strings[i].ref_id))
1113                         return False;
1114         }
1115
1116         for (i=0;i<array->count;i++) {
1117                 if (! smb_io_unistr2("string", &array->strings[i].string, array->strings[i].ref_id, ps, depth))
1118                         return False;
1119         }
1120
1121         return True;
1122 }
1123
1124
1125 /*******************************************************************
1126  Inits a DOM_RID2 structure.
1127 ********************************************************************/
1128
1129 void init_dom_rid2(DOM_RID2 *rid2, uint32 rid, uint8 type, uint32 idx)
1130 {
1131         rid2->type    = type;
1132         rid2->rid     = rid;
1133         rid2->rid_idx = idx;
1134 }
1135
1136 /*******************************************************************
1137  Reads or writes a DOM_RID2 structure.
1138 ********************************************************************/
1139
1140 BOOL smb_io_dom_rid2(const char *desc, DOM_RID2 *rid2, prs_struct *ps, int depth)
1141 {
1142         if (rid2 == NULL)
1143                 return False;
1144
1145         prs_debug(ps, depth, desc, "smb_io_dom_rid2");
1146         depth++;
1147
1148         if(!prs_align(ps))
1149                 return False;
1150
1151         if(!prs_uint8("type   ", ps, depth, &rid2->type))
1152                 return False;
1153         if(!prs_align(ps))
1154                 return False;
1155         if(!prs_uint32("rid    ", ps, depth, &rid2->rid))
1156                 return False;
1157         if(!prs_uint32("rid_idx", ps, depth, &rid2->rid_idx))
1158                 return False;
1159
1160         return True;
1161 }
1162
1163 /*******************************************************************
1164 creates a DOM_RID3 structure.
1165 ********************************************************************/
1166
1167 void init_dom_rid3(DOM_RID3 *rid3, uint32 rid, uint8 type)
1168 {
1169     rid3->rid      = rid;
1170     rid3->type1    = type;
1171     rid3->ptr_type = 0x1; /* non-zero, basically. */
1172     rid3->type2    = 0x1;
1173     rid3->unk      = type;
1174 }
1175
1176 /*******************************************************************
1177 reads or writes a DOM_RID3 structure.
1178 ********************************************************************/
1179
1180 BOOL smb_io_dom_rid3(const char *desc, DOM_RID3 *rid3, prs_struct *ps, int depth)
1181 {
1182         if (rid3 == NULL)
1183                 return False;
1184
1185         prs_debug(ps, depth, desc, "smb_io_dom_rid3");
1186         depth++;
1187
1188         if(!prs_align(ps))
1189                 return False;
1190
1191         if(!prs_uint32("rid     ", ps, depth, &rid3->rid))
1192                 return False;
1193         if(!prs_uint32("type1   ", ps, depth, &rid3->type1))
1194                 return False;
1195         if(!prs_uint32("ptr_type", ps, depth, &rid3->ptr_type))
1196                 return False;
1197         if(!prs_uint32("type2   ", ps, depth, &rid3->type2))
1198                 return False;
1199         if(!prs_uint32("unk     ", ps, depth, &rid3->unk))
1200                 return False;
1201
1202         return True;
1203 }
1204
1205 /*******************************************************************
1206  Inits a DOM_RID4 structure.
1207 ********************************************************************/
1208
1209 void init_dom_rid4(DOM_RID4 *rid4, uint16 unknown, uint16 attr, uint32 rid)
1210 {
1211     rid4->unknown = unknown;
1212     rid4->attr    = attr;
1213     rid4->rid     = rid;
1214 }
1215
1216 /*******************************************************************
1217  Inits a DOM_CLNT_SRV structure.
1218 ********************************************************************/
1219
1220 static void init_clnt_srv(DOM_CLNT_SRV *logcln, const char *logon_srv, const char *comp_name)
1221 {
1222         DEBUG(5,("init_clnt_srv: %d\n", __LINE__));
1223
1224         if (logon_srv != NULL) {
1225                 logcln->undoc_buffer = 1;
1226                 init_unistr2(&logcln->uni_logon_srv, logon_srv, strlen(logon_srv)+1);
1227         } else {
1228                 logcln->undoc_buffer = 0;
1229         }
1230
1231         if (comp_name != NULL) {
1232                 logcln->undoc_buffer2 = 1;
1233                 init_unistr2(&logcln->uni_comp_name, comp_name, strlen(comp_name)+1);
1234         } else {
1235                 logcln->undoc_buffer2 = 0;
1236         }
1237 }
1238
1239 /*******************************************************************
1240  Inits or writes a DOM_CLNT_SRV structure.
1241 ********************************************************************/
1242
1243 static BOOL smb_io_clnt_srv(const char *desc, DOM_CLNT_SRV *logcln, prs_struct *ps, int depth)
1244 {
1245         if (logcln == NULL)
1246                 return False;
1247
1248         prs_debug(ps, depth, desc, "smb_io_clnt_srv");
1249         depth++;
1250
1251         if(!prs_align(ps))
1252                 return False;
1253
1254         if(!prs_uint32("undoc_buffer ", ps, depth, &logcln->undoc_buffer))
1255                 return False;
1256
1257         if (logcln->undoc_buffer != 0) {
1258                 if(!smb_io_unistr2("unistr2", &logcln->uni_logon_srv, logcln->undoc_buffer, ps, depth))
1259                         return False;
1260         }
1261
1262         if(!prs_align(ps))
1263                 return False;
1264
1265         if(!prs_uint32("undoc_buffer2", ps, depth, &logcln->undoc_buffer2))
1266                 return False;
1267
1268         if (logcln->undoc_buffer2 != 0) {
1269                 if(!smb_io_unistr2("unistr2", &logcln->uni_comp_name, logcln->undoc_buffer2, ps, depth))
1270                         return False;
1271         }
1272
1273         return True;
1274 }
1275
1276 /*******************************************************************
1277  Inits a DOM_LOG_INFO structure.
1278 ********************************************************************/
1279
1280 void init_log_info(DOM_LOG_INFO *loginfo, const char *logon_srv, const char *acct_name,
1281                 uint16 sec_chan, const char *comp_name)
1282 {
1283         DEBUG(5,("make_log_info %d\n", __LINE__));
1284
1285         loginfo->undoc_buffer = 1;
1286
1287         init_unistr2(&loginfo->uni_logon_srv, logon_srv, strlen(logon_srv)+1);
1288         init_unistr2(&loginfo->uni_acct_name, acct_name, strlen(acct_name)+1);
1289
1290         loginfo->sec_chan = sec_chan;
1291
1292         init_unistr2(&loginfo->uni_comp_name, comp_name, strlen(comp_name)+1);
1293 }
1294
1295 /*******************************************************************
1296  Reads or writes a DOM_LOG_INFO structure.
1297 ********************************************************************/
1298
1299 BOOL smb_io_log_info(const char *desc, DOM_LOG_INFO *loginfo, prs_struct *ps, int depth)
1300 {
1301         if (loginfo == NULL)
1302                 return False;
1303
1304         prs_debug(ps, depth, desc, "smb_io_log_info");
1305         depth++;
1306
1307         if(!prs_align(ps))
1308                 return False;
1309
1310         if(!prs_uint32("undoc_buffer", ps, depth, &loginfo->undoc_buffer))
1311                 return False;
1312
1313         if(!smb_io_unistr2("unistr2", &loginfo->uni_logon_srv, True, ps, depth))
1314                 return False;
1315         if(!smb_io_unistr2("unistr2", &loginfo->uni_acct_name, True, ps, depth))
1316                 return False;
1317
1318         if(!prs_uint16("sec_chan", ps, depth, &loginfo->sec_chan))
1319                 return False;
1320
1321         if(!smb_io_unistr2("unistr2", &loginfo->uni_comp_name, True, ps, depth))
1322                 return False;
1323
1324         return True;
1325 }
1326
1327 /*******************************************************************
1328  Reads or writes a DOM_CHAL structure.
1329 ********************************************************************/
1330
1331 BOOL smb_io_chal(const char *desc, DOM_CHAL *chal, prs_struct *ps, int depth)
1332 {
1333         if (chal == NULL)
1334                 return False;
1335
1336         prs_debug(ps, depth, desc, "smb_io_chal");
1337         depth++;
1338
1339         if(!prs_uint8s (False, "data", ps, depth, chal->data, 8))
1340                 return False;
1341
1342         return True;
1343 }
1344
1345 /*******************************************************************
1346  Reads or writes a DOM_CRED structure.
1347 ********************************************************************/
1348
1349 BOOL smb_io_cred(const char *desc,  DOM_CRED *cred, prs_struct *ps, int depth)
1350 {
1351         if (cred == NULL)
1352                 return False;
1353
1354         prs_debug(ps, depth, desc, "smb_io_cred");
1355         depth++;
1356
1357         if(!prs_align(ps))
1358                 return False;
1359
1360         if(!smb_io_chal ("", &cred->challenge, ps, depth))
1361                 return False;
1362
1363         if(!smb_io_utime("", &cred->timestamp, ps, depth))
1364                 return False;
1365
1366         return True;
1367 }
1368
1369 /*******************************************************************
1370  Inits a DOM_CLNT_INFO2 structure.
1371 ********************************************************************/
1372
1373 void init_clnt_info2(DOM_CLNT_INFO2 *clnt,
1374                                 const char *logon_srv, const char *comp_name,
1375                                 const DOM_CRED *clnt_cred)
1376 {
1377         DEBUG(5,("make_clnt_info: %d\n", __LINE__));
1378
1379         init_clnt_srv(&clnt->login, logon_srv, comp_name);
1380
1381         if (clnt_cred != NULL) {
1382                 clnt->ptr_cred = 1;
1383                 memcpy(&clnt->cred, clnt_cred, sizeof(clnt->cred));
1384         } else {
1385                 clnt->ptr_cred = 0;
1386         }
1387 }
1388
1389 /*******************************************************************
1390  Reads or writes a DOM_CLNT_INFO2 structure.
1391 ********************************************************************/
1392
1393 BOOL smb_io_clnt_info2(const char *desc, DOM_CLNT_INFO2 *clnt, prs_struct *ps, int depth)
1394 {
1395         if (clnt == NULL)
1396                 return False;
1397
1398         prs_debug(ps, depth, desc, "smb_io_clnt_info2");
1399         depth++;
1400
1401         if(!prs_align(ps))
1402                 return False;
1403
1404         if(!smb_io_clnt_srv("", &clnt->login, ps, depth))
1405                 return False;
1406
1407         if(!prs_align(ps))
1408                 return False;
1409
1410         if(!prs_uint32("ptr_cred", ps, depth, &clnt->ptr_cred))
1411                 return False;
1412         if(!smb_io_cred("", &clnt->cred, ps, depth))
1413                 return False;
1414
1415         return True;
1416 }
1417
1418 /*******************************************************************
1419  Inits a DOM_CLNT_INFO structure.
1420 ********************************************************************/
1421
1422 void init_clnt_info(DOM_CLNT_INFO *clnt,
1423                 const char *logon_srv, const char *acct_name,
1424                 uint16 sec_chan, const char *comp_name,
1425                 const DOM_CRED *cred)
1426 {
1427         DEBUG(5,("make_clnt_info\n"));
1428
1429         init_log_info(&clnt->login, logon_srv, acct_name, sec_chan, comp_name);
1430         memcpy(&clnt->cred, cred, sizeof(clnt->cred));
1431 }
1432
1433 /*******************************************************************
1434  Reads or writes a DOM_CLNT_INFO structure.
1435 ********************************************************************/
1436
1437 BOOL smb_io_clnt_info(const char *desc,  DOM_CLNT_INFO *clnt, prs_struct *ps, int depth)
1438 {
1439         if (clnt == NULL)
1440                 return False;
1441
1442         prs_debug(ps, depth, desc, "smb_io_clnt_info");
1443         depth++;
1444
1445         if(!prs_align(ps))
1446                 return False;
1447
1448         if(!smb_io_log_info("", &clnt->login, ps, depth))
1449                 return False;
1450         if(!smb_io_cred("", &clnt->cred, ps, depth))
1451                 return False;
1452
1453         return True;
1454 }
1455
1456 /*******************************************************************
1457  Inits a DOM_LOGON_ID structure.
1458 ********************************************************************/
1459
1460 void init_logon_id(DOM_LOGON_ID *logonid, uint32 log_id_low, uint32 log_id_high)
1461 {
1462         DEBUG(5,("make_logon_id: %d\n", __LINE__));
1463
1464         logonid->low  = log_id_low;
1465         logonid->high = log_id_high;
1466 }
1467
1468 /*******************************************************************
1469  Reads or writes a DOM_LOGON_ID structure.
1470 ********************************************************************/
1471
1472 BOOL smb_io_logon_id(const char *desc, DOM_LOGON_ID *logonid, prs_struct *ps, int depth)
1473 {
1474         if (logonid == NULL)
1475                 return False;
1476
1477         prs_debug(ps, depth, desc, "smb_io_logon_id");
1478         depth++;
1479
1480         if(!prs_align(ps))
1481                 return False;
1482
1483         if(!prs_uint32("low ", ps, depth, &logonid->low ))
1484                 return False;
1485         if(!prs_uint32("high", ps, depth, &logonid->high))
1486                 return False;
1487
1488         return True;
1489 }
1490
1491 /*******************************************************************
1492  Inits an OWF_INFO structure.
1493 ********************************************************************/
1494
1495 void init_owf_info(OWF_INFO *hash, const uint8 data[16])
1496 {
1497         DEBUG(5,("init_owf_info: %d\n", __LINE__));
1498
1499         if (data != NULL)
1500                 memcpy(hash->data, data, sizeof(hash->data));
1501         else
1502                 memset((char *)hash->data, '\0', sizeof(hash->data));
1503 }
1504
1505 /*******************************************************************
1506  Reads or writes an OWF_INFO structure.
1507 ********************************************************************/
1508
1509 BOOL smb_io_owf_info(const char *desc, OWF_INFO *hash, prs_struct *ps, int depth)
1510 {
1511         if (hash == NULL)
1512                 return False;
1513
1514         prs_debug(ps, depth, desc, "smb_io_owf_info");
1515         depth++;
1516
1517         if(!prs_align(ps))
1518                 return False;
1519
1520         if(!prs_uint8s (False, "data", ps, depth, hash->data, 16))
1521                 return False;
1522
1523         return True;
1524 }
1525
1526 /*******************************************************************
1527  Reads or writes a DOM_GID structure.
1528 ********************************************************************/
1529
1530 BOOL smb_io_gid(const char *desc,  DOM_GID *gid, prs_struct *ps, int depth)
1531 {
1532         if (gid == NULL)
1533                 return False;
1534
1535         prs_debug(ps, depth, desc, "smb_io_gid");
1536         depth++;
1537
1538         if(!prs_align(ps))
1539                 return False;
1540
1541         if(!prs_uint32("g_rid", ps, depth, &gid->g_rid))
1542                 return False;
1543         if(!prs_uint32("attr ", ps, depth, &gid->attr))
1544                 return False;
1545
1546         return True;
1547 }
1548
1549 /*******************************************************************
1550  Reads or writes an POLICY_HND structure.
1551 ********************************************************************/
1552
1553 BOOL smb_io_pol_hnd(const char *desc, POLICY_HND *pol, prs_struct *ps, int depth)
1554 {
1555         if (pol == NULL)
1556                 return False;
1557
1558         prs_debug(ps, depth, desc, "smb_io_pol_hnd");
1559         depth++;
1560
1561         if(!prs_align(ps))
1562                 return False;
1563
1564         if(UNMARSHALLING(ps))
1565                 ZERO_STRUCTP(pol);
1566
1567         if (!prs_uint32("data1", ps, depth, &pol->data1))
1568                 return False;
1569         if (!prs_uint32("data2", ps, depth, &pol->data2))
1570                 return False;
1571         if (!prs_uint16("data3", ps, depth, &pol->data3))
1572                 return False;
1573         if (!prs_uint16("data4", ps, depth, &pol->data4))
1574                 return False;
1575         if(!prs_uint8s (False, "data5", ps, depth, pol->data5, sizeof(pol->data5)))
1576                 return False;
1577
1578         return True;
1579 }
1580
1581 /*******************************************************************
1582  Create a UNISTR3.
1583 ********************************************************************/
1584
1585 void init_unistr3(UNISTR3 *str, const char *buf)
1586 {
1587         size_t len;
1588
1589         if (buf == NULL) {
1590                 str->uni_str_len=0;
1591                 str->str.buffer = NULL;
1592                 return;
1593         }
1594
1595         len = strlen(buf) + 1;
1596
1597         str->uni_str_len=len;
1598
1599         if (len < MAX_UNISTRLEN)
1600                 len = MAX_UNISTRLEN;
1601
1602         len *= sizeof(uint16);
1603
1604         str->str.buffer = (uint16 *)talloc_zero(get_talloc_ctx(), len);
1605         if (str->str.buffer == NULL)
1606                 smb_panic("init_unistr3: malloc fail\n");
1607
1608         rpcstr_push((char *)str->str.buffer, buf, len, STR_TERMINATE);
1609 }
1610
1611 /*******************************************************************
1612  Reads or writes a UNISTR3 structure.
1613 ********************************************************************/
1614
1615 BOOL smb_io_unistr3(const char *desc, UNISTR3 *name, prs_struct *ps, int depth)
1616 {
1617         if (name == NULL)
1618                 return False;
1619
1620         prs_debug(ps, depth, desc, "smb_io_unistr3");
1621         depth++;
1622
1623         if(!prs_align(ps))
1624                 return False;
1625
1626         if(!prs_uint32("uni_str_len", ps, depth, &name->uni_str_len))
1627                 return False;
1628
1629         /* don't know if len is specified by uni_str_len member... */
1630         /* assume unicode string is unicode-null-terminated, instead */
1631
1632         if(!prs_unistr3(True, "unistr", name, ps, depth))
1633                 return False;
1634
1635         return True;
1636 }
1637
1638
1639 /*******************************************************************
1640  Stream a uint64_struct
1641  ********************************************************************/
1642 BOOL prs_uint64(const char *name, prs_struct *ps, int depth, UINT64_S *data64)
1643 {
1644         return prs_uint32(name, ps, depth+1, &data64->low) &&
1645                 prs_uint32(name, ps, depth+1, &data64->high);
1646 }
1647
1648 /*******************************************************************
1649 reads or writes a BUFHDR2 structure.
1650 ********************************************************************/
1651 BOOL smb_io_bufhdr2(const char *desc, BUFHDR2 *hdr, prs_struct *ps, int depth)
1652 {
1653         prs_debug(ps, depth, desc, "smb_io_bufhdr2");
1654         depth++;
1655
1656         prs_align(ps);
1657         prs_uint32("info_level", ps, depth, &(hdr->info_level));
1658         prs_uint32("length    ", ps, depth, &(hdr->length    ));
1659         prs_uint32("buffer    ", ps, depth, &(hdr->buffer    ));
1660
1661         return True;
1662 }
1663
1664 /*******************************************************************
1665 reads or writes a BUFFER4 structure.
1666 ********************************************************************/
1667 BOOL smb_io_buffer4(const char *desc, BUFFER4 *buf4, uint32 buffer, prs_struct *ps, int depth)
1668 {
1669         prs_debug(ps, depth, desc, "smb_io_buffer4");
1670         depth++;
1671
1672         prs_align(ps);
1673         prs_uint32("buf_len", ps, depth, &(buf4->buf_len));
1674
1675         if (buf4->buf_len > MAX_BUFFERLEN)
1676         {
1677                 buf4->buf_len = MAX_BUFFERLEN;
1678         }
1679
1680         prs_uint8s(True, "buffer", ps, depth, buf4->buffer, buf4->buf_len);
1681
1682         return True;
1683 }
1684
1685 /*******************************************************************
1686 creates a UNIHDR structure.
1687 ********************************************************************/
1688
1689 BOOL make_uni_hdr(UNIHDR *hdr, int len)
1690 {
1691         if (hdr == NULL)
1692         {
1693                 return False;
1694         }
1695         hdr->uni_str_len = 2 * len;
1696         hdr->uni_max_len = 2 * len;
1697         hdr->buffer      = len != 0 ? 1 : 0;
1698
1699         return True;
1700 }
1701
1702 /*******************************************************************
1703 creates a BUFHDR2 structure.
1704 ********************************************************************/
1705 BOOL make_bufhdr2(BUFHDR2 *hdr, uint32 info_level, uint32 length, uint32 buffer)
1706 {
1707         hdr->info_level = info_level;
1708         hdr->length     = length;
1709         hdr->buffer     = buffer;
1710
1711         return True;
1712 }