source3/libmsrpc/libmsrpc_internal.c

   1
   2 /*
   3  *  Unix SMB/CIFS implementation.
   4  *  MS-RPC client internal functions
   5  *  Copyright (C) Chris Nicholls              2005.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  */
  21
  22
  23 #include "libmsrpc.h"
  24 #include "libmsrpc_internal.h"
  25
  26 char *cac_unistr_to_str( TALLOC_CTX * mem_ctx, uint16 * src, int num_bytes );
  27 char *talloc_unistr2_to_ascii( TALLOC_CTX * mem_ctx, UNISTR2 str );
  28 char *cac_unistr_ascii( TALLOC_CTX * mem_ctx, UNISTR src );
  29
  30 /*used to get a struct rpc_pipe_client* to be passed into rpccli* calls*/
  31 struct rpc_pipe_client *cac_GetPipe( CacServerHandle * hnd, int pi_idx )
  32 {
  33         SMBCSRV *srv = NULL;
  34         struct rpc_pipe_client *pipe_hnd = NULL;
  35
  36         if ( !hnd ) {
  37                 return NULL;
  38         }
  39
  40         if ( hnd->_internal.pipes[pi_idx] == False ) {
  41                 hnd->status = NT_STATUS_INVALID_HANDLE;
  42                 return NULL;
  43         }
  44
  45         srv = cac_GetServer( hnd );
  46         if ( !srv ) {
  47                 hnd->status = NT_STATUS_INVALID_CONNECTION;
  48                 return NULL;
  49         }
  50
  51         pipe_hnd = srv->cli->pipe_list;
  52
  53         while ( pipe_hnd != NULL && pipe_hnd->pipe_idx != pi_idx ) {
  54                 pipe_hnd = pipe_hnd->next;
  55         }
  56
  57         return pipe_hnd;
  58 }
  59
  60 /*takes a string like HKEY_LOCAL_MACHINE\HARDWARE\ACPI and returns the reg_type code and then a pointer to the start of the path (HARDWARE)*/
  61 int cac_ParseRegPath( char *path, uint32 * reg_type, char **key_name )
  62 {
  63
  64         if ( !path )
  65                 return CAC_FAILURE;
  66
  67         if ( strncmp( path, "HKLM", 4 ) == 0 ) {
  68                 *reg_type = HKEY_LOCAL_MACHINE;
  69                 *key_name = ( path[4] == '\\' ) ? path + 5 : NULL;
  70         } else if ( strncmp( path, "HKEY_LOCAL_MACHINE", 18 ) == 0 ) {
  71                 *reg_type = HKEY_LOCAL_MACHINE;
  72                 *key_name = ( path[18] == '\\' ) ? path + 19 : NULL;
  73         } else if ( strncmp( path, "HKCR", 4 ) == 0 ) {
  74                 *reg_type = HKEY_CLASSES_ROOT;
  75                 *key_name = ( path[4] == '\\' ) ? path + 5 : NULL;
  76         } else if ( strncmp( path, "HKEY_CLASSES_ROOT", 17 ) == 0 ) {
  77                 *reg_type = HKEY_CLASSES_ROOT;
  78                 *key_name = ( path[17] == '\\' ) ? path + 18 : NULL;
  79         } else if ( strncmp( path, "HKU", 3 ) == 0 ) {
  80                 *reg_type = HKEY_USERS;
  81                 *key_name = ( path[3] == '\\' ) ? path + 4 : NULL;
  82         } else if ( strncmp( path, "HKEY_USERS", 10 ) == 0 ) {
  83                 *reg_type = HKEY_USERS;
  84                 *key_name = ( path[10] == '\\' ) ? path + 11 : NULL;
  85         } else if ( strncmp( path, "HKPD", 4 ) == 0 ) {
  86                 *reg_type = HKEY_PERFORMANCE_DATA;
  87                 *key_name = ( path[4] == '\\' ) ? path + 5 : NULL;
  88         } else if ( strncmp( path, "HKEY_PERFORMANCE_DATA", 21 ) == 0 ) {
  89                 *reg_type = HKEY_PERFORMANCE_DATA;
  90                 *key_name = ( path[21] == '\\' ) ? path + 22 : NULL;
  91         } else {
  92                 return CAC_FAILURE;
  93         }
  94
  95         return CAC_SUCCESS;
  96 }
  97
  98
  99
 100 RPC_DATA_BLOB *cac_MakeRpcDataBlob( TALLOC_CTX * mem_ctx, uint32 data_type,
 101                                     REG_VALUE_DATA data )
 102 {
 103         RPC_DATA_BLOB *blob = NULL;
 104         int i;
 105         uint32 size = 0;
 106         uint8 *multi = NULL;
 107         uint32 multi_idx = 0;
 108
 109         blob = talloc( mem_ctx, RPC_DATA_BLOB );
 110
 111         if ( !blob ) {
 112                 errno = ENOMEM;
 113                 return NULL;
 114         }
 115
 116         switch ( data_type ) {
 117         case REG_SZ:
 118                 init_rpc_blob_str( blob, data.reg_sz,
 119                                    strlen( data.reg_sz ) + 1 );
 120                 break;
 121
 122         case REG_EXPAND_SZ:
 123                 init_rpc_blob_str( blob, data.reg_expand_sz,
 124                                    strlen( data.reg_sz ) + 1 );
 125                 break;
 126
 127         case REG_BINARY:
 128                 init_rpc_blob_bytes( blob, data.reg_binary.data,
 129                                      data.reg_binary.data_length );
 130                 break;
 131
 132         case REG_DWORD:
 133                 init_rpc_blob_uint32( blob, data.reg_dword );
 134                 break;
 135
 136         case REG_DWORD_BIG_ENDIAN:
 137                 init_rpc_blob_uint32( blob, data.reg_dword_be );
 138                 break;
 139
 140         case REG_MULTI_SZ:
 141                 /*need to find the size */
 142                 for ( i = 0; i < data.reg_multi_sz.num_strings; i++ ) {
 143                         size += strlen( data.reg_multi_sz.strings[i] ) + 1;
 144                 }
 145
 146          /**need a whole bunch of unicode strings in a row (seperated by null characters), with an extra null-character on the end*/
 147
 148                 multi = TALLOC_ZERO_ARRAY( mem_ctx, uint8, ( size + 1 ) * 2 );  /*size +1 for the extra null character */
 149                 if ( !multi ) {
 150                         errno = ENOMEM;
 151                         break;
 152                 }
 153
 154                 /*do it using rpcstr_push() */
 155                 multi_idx = 0;
 156                 for ( i = 0; i < data.reg_multi_sz.num_strings; i++ ) {
 157                         size_t len =
 158                                 strlen( data.reg_multi_sz.strings[i] ) + 1;
 159
 160                         rpcstr_push( ( multi + multi_idx ),
 161                                      data.reg_multi_sz.strings[i], len * 2,
 162                                      STR_TERMINATE );
 163
 164                         /* x2 becuase it is a uint8 buffer */
 165                         multi_idx += len * 2;
 166                 }
 167
 168                 /*now initialize the buffer as binary data */
 169                 init_rpc_blob_bytes( blob, multi, ( size + 1 ) * 2 );
 170
 171                 break;
 172
 173         default:
 174                 TALLOC_FREE( blob );
 175                 blob = NULL;
 176                 return NULL;
 177         }
 178
 179         if ( !( blob->buffer ) ) {
 180                 TALLOC_FREE( blob );
 181                 return NULL;
 182         }
 183
 184         return blob;
 185 }
 186
 187 /*turns a string in a uint16 array to a char array*/
 188 char *cac_unistr_to_str( TALLOC_CTX * mem_ctx, uint16 * src, int num_bytes )
 189 {
 190         char *buf;
 191
 192         int i = 0;
 193
 194         uint32 str_len = 0;
 195
 196         /*don't allocate more space than we need */
 197         while ( ( str_len ) < num_bytes / 2 && src[str_len] != 0x0000 )
 198                 str_len++;
 199
 200         /*need room for a '\0' */
 201         str_len++;
 202
 203         buf = talloc_array( mem_ctx, char, str_len );
 204
 205         if ( !buf ) {
 206                 return NULL;
 207         }
 208
 209         for ( i = 0; i < num_bytes / 2; i++ ) {
 210                 buf[i] = ( ( char * ) src )[2 * i];
 211         }
 212
 213         buf[str_len - 1] = '\0';
 214
 215         return buf;
 216 }
 217
 218 REG_VALUE_DATA *cac_MakeRegValueData( TALLOC_CTX * mem_ctx, uint32 data_type,
 219                                       REGVAL_BUFFER buf )
 220 {
 221         REG_VALUE_DATA *data;
 222
 223         uint32 i;
 224
 225         /*all of the following used for MULTI_SZ data */
 226         uint32 size = 0;
 227         uint32 len = 0;
 228         uint32 multi_idx = 0;
 229         uint32 num_strings = 0;
 230         char **strings = NULL;
 231
 232         data = talloc( mem_ctx, REG_VALUE_DATA );
 233         if ( !data ) {
 234                 errno = ENOMEM;
 235                 return NULL;
 236         }
 237
 238         switch ( data_type ) {
 239         case REG_SZ:
 240                 data->reg_sz =
 241                         cac_unistr_to_str( mem_ctx, buf.buffer, buf.buf_len );
 242                 if ( !data->reg_sz ) {
 243                         TALLOC_FREE( data );
 244                         errno = ENOMEM;
 245                         data = NULL;
 246                 }
 247
 248                 break;
 249
 250         case REG_EXPAND_SZ:
 251                 data->reg_expand_sz =
 252                         cac_unistr_to_str( mem_ctx, buf.buffer, buf.buf_len );
 253
 254                 if ( !data->reg_expand_sz ) {
 255                         TALLOC_FREE( data );
 256                         errno = ENOMEM;
 257                         data = NULL;
 258                 }
 259
 260                 break;
 261
 262         case REG_BINARY:
 263                 size = buf.buf_len;
 264
 265                 data->reg_binary.data_length = size;
 266
 267                 data->reg_binary.data =
 268                         ( uint8 * ) talloc_memdup( mem_ctx, buf.buffer,
 269                                                    size );
 270                 if ( !data->reg_binary.data ) {
 271                         TALLOC_FREE( data );
 272                         errno = ENOMEM;
 273                         data = NULL;
 274                 }
 275                 break;
 276
 277         case REG_DWORD:
 278                 data->reg_dword = *( ( uint32 * ) buf.buffer );
 279                 break;
 280
 281         case REG_DWORD_BIG_ENDIAN:
 282                 data->reg_dword_be = *( ( uint32 * ) buf.buffer );
 283                 break;
 284
 285         case REG_MULTI_SZ:
 286                 size = buf.buf_len;
 287
 288                 /*find out how many strings there are. size is # of bytes and we want to work uint16 */
 289                 for ( i = 0; i < ( size / 2 - 1 ); i++ ) {
 290                         if ( buf.buffer[i] == 0x0000 )
 291                                 num_strings++;
 292
 293                         /*buffer is suppsed to be terminated with \0\0, but it might not be */
 294                         if ( buf.buffer[i] == 0x0000
 295                              && buf.buffer[i + 1] == 0x0000 )
 296                                 break;
 297                 }
 298
 299                 strings = talloc_array( mem_ctx, char *, num_strings );
 300
 301                 if ( !strings ) {
 302                         errno = ENOMEM;
 303                         TALLOC_FREE( data );
 304                         break;
 305                 }
 306
 307                 if ( num_strings == 0 ) /*then our work here is done */
 308                         break;
 309
 310                 for ( i = 0; i < num_strings; i++ ) {
 311                         /*find out how many characters are in this string */
 312                         len = 0;
 313                         /*make sure we don't go past the end of the buffer and keep looping until we have a uni \0 */
 314                         while ( multi_idx + len < size / 2
 315                                 && buf.buffer[multi_idx + len] != 0x0000 )
 316                                 len++;
 317
 318                         /*stay aware of the \0\0 */
 319                         len++;
 320
 321                         strings[i] = TALLOC_ZERO_ARRAY( mem_ctx, char, len );
 322
 323                         /*pull out the unicode string */
 324                         rpcstr_pull( strings[i], ( buf.buffer + multi_idx ),
 325                                      len, -1, STR_TERMINATE );
 326
 327                         /*keep track of where we are in the bigger array */
 328                         multi_idx += len;
 329                 }
 330
 331                 data->reg_multi_sz.num_strings = num_strings;
 332                 data->reg_multi_sz.strings = strings;
 333
 334                 break;
 335
 336         default:
 337                 TALLOC_FREE( data );
 338                 data = NULL;
 339         }
 340
 341         return data;
 342 }
 343
 344 SAM_USERINFO_CTR *cac_MakeUserInfoCtr( TALLOC_CTX * mem_ctx,
 345                                        CacUserInfo * info )
 346 {
 347         SAM_USERINFO_CTR *ctr = NULL;
 348
 349         /*the flags we are 'setting'- include/passdb.h */
 350         uint32 flags =
 351                 ACCT_USERNAME | ACCT_FULL_NAME | ACCT_PRIMARY_GID |
 352                 ACCT_DESCRIPTION | ACCT_COMMENT | ACCT_HOME_DIR |
 353                 ACCT_HOME_DRIVE | ACCT_LOGON_SCRIPT | ACCT_PROFILE |
 354                 ACCT_WORKSTATIONS | ACCT_FLAGS;
 355
 356         NTTIME logon_time;
 357         NTTIME logoff_time;
 358         NTTIME kickoff_time;
 359         NTTIME pass_last_set_time;
 360         NTTIME pass_can_change_time;
 361         NTTIME pass_must_change_time;
 362
 363         UNISTR2 user_name;
 364         UNISTR2 full_name;
 365         UNISTR2 home_dir;
 366         UNISTR2 dir_drive;
 367         UNISTR2 log_scr;
 368         UNISTR2 prof_path;
 369         UNISTR2 desc;
 370         UNISTR2 wkstas;
 371         UNISTR2 mung_dial;
 372         UNISTR2 unk;
 373
 374         ctr = talloc( mem_ctx, SAM_USERINFO_CTR );
 375         if ( !ctr )
 376                 return NULL;
 377
 378         ZERO_STRUCTP( ctr->info.id23 );
 379
 380         ctr->info.id21 = talloc( mem_ctx, SAM_USER_INFO_21 );
 381         if ( !ctr->info.id21 )
 382                 return NULL;
 383
 384         ctr->switch_value = 21;
 385
 386         ZERO_STRUCTP( ctr->info.id21 );
 387
 388         unix_to_nt_time( &logon_time, info->logon_time );
 389         unix_to_nt_time( &logoff_time, info->logoff_time );
 390         unix_to_nt_time( &kickoff_time, info->kickoff_time );
 391         unix_to_nt_time( &pass_last_set_time, info->pass_last_set_time );
 392         unix_to_nt_time( &pass_can_change_time, info->pass_can_change_time );
 393         unix_to_nt_time( &pass_must_change_time,
 394                          info->pass_must_change_time );
 395
 396         /*initialize the strings */
 397         init_unistr2( &user_name, info->username, UNI_STR_TERMINATE );
 398         init_unistr2( &full_name, info->full_name, UNI_STR_TERMINATE );
 399         init_unistr2( &home_dir, info->home_dir, UNI_STR_TERMINATE );
 400         init_unistr2( &dir_drive, info->home_drive, UNI_STR_TERMINATE );
 401         init_unistr2( &log_scr, info->logon_script, UNI_STR_TERMINATE );
 402         init_unistr2( &prof_path, info->profile_path, UNI_STR_TERMINATE );
 403         init_unistr2( &desc, info->description, UNI_STR_TERMINATE );
 404         init_unistr2( &wkstas, info->workstations, UNI_STR_TERMINATE );
 405         init_unistr2( &unk, "\0", UNI_STR_TERMINATE );
 406         init_unistr2( &mung_dial, info->dial, UNI_STR_TERMINATE );
 407
 408         /*manually set passmustchange */
 409         ctr->info.id21->passmustchange =
 410                 ( info->pass_must_change ) ? 0x01 : 0x00;
 411
 412         init_sam_user_info21W( ctr->info.id21, &logon_time, &logoff_time, &kickoff_time, &pass_last_set_time, &pass_can_change_time, &pass_must_change_time, &user_name, &full_name, &home_dir, &dir_drive, &log_scr, &prof_path, &desc, &wkstas, &unk, &mung_dial, info->lm_password, info->nt_password, info->rid, info->group_rid, info->acb_mask, flags, 168,       /*logon divs */
 413                                info->logon_hours,
 414                                info->bad_passwd_count, info->logon_count );
 415
 416         return ctr;
 417
 418 }
 419
 420 char *talloc_unistr2_to_ascii( TALLOC_CTX * mem_ctx, UNISTR2 str )
 421 {
 422         char *buf = NULL;
 423
 424         if ( !mem_ctx )
 425                 return NULL;
 426
 427         buf = talloc_array( mem_ctx, char, ( str.uni_str_len + 1 ) );
 428         if ( !buf )
 429                 return NULL;
 430
 431         unistr2_to_ascii( buf, &str, str.uni_str_len + 1 );
 432
 433         return buf;
 434 }
 435
 436 CacUserInfo *cac_MakeUserInfo( TALLOC_CTX * mem_ctx, SAM_USERINFO_CTR * ctr )
 437 {
 438         CacUserInfo *info = NULL;
 439         SAM_USER_INFO_21 *id21 = NULL;
 440
 441         if ( !ctr || ctr->switch_value != 21 )
 442                 return NULL;
 443
 444         info = talloc( mem_ctx, CacUserInfo );
 445         if ( !info )
 446                 return NULL;
 447
 448         id21 = ctr->info.id21;
 449
 450         ZERO_STRUCTP( info );
 451
 452         info->logon_time = nt_time_to_unix( id21->logon_time );
 453         info->logoff_time = nt_time_to_unix( id21->logoff_time );
 454         info->kickoff_time = nt_time_to_unix( id21->kickoff_time );
 455         info->pass_last_set_time =
 456                 nt_time_to_unix( id21->pass_last_set_time );
 457         info->pass_can_change_time =
 458                 nt_time_to_unix( id21->pass_can_change_time );
 459         info->pass_must_change_time =
 460                 nt_time_to_unix( id21->pass_must_change_time );
 461
 462         info->username =
 463                 talloc_unistr2_to_ascii( mem_ctx, id21->uni_user_name );
 464         if ( !info->username )
 465                 return NULL;
 466
 467         info->full_name =
 468                 talloc_unistr2_to_ascii( mem_ctx, id21->uni_full_name );
 469         if ( !info->full_name )
 470                 return NULL;
 471
 472         info->home_dir =
 473                 talloc_unistr2_to_ascii( mem_ctx, id21->uni_home_dir );
 474         if ( !info->home_dir )
 475                 return NULL;
 476
 477         info->home_drive =
 478                 talloc_unistr2_to_ascii( mem_ctx, id21->uni_dir_drive );
 479         if ( !info->home_drive )
 480                 return NULL;
 481
 482         info->logon_script =
 483                 talloc_unistr2_to_ascii( mem_ctx, id21->uni_logon_script );
 484         if ( !info->logon_script )
 485                 return NULL;
 486
 487         info->profile_path =
 488                 talloc_unistr2_to_ascii( mem_ctx, id21->uni_profile_path );
 489         if ( !info->profile_path )
 490                 return NULL;
 491
 492         info->description =
 493                 talloc_unistr2_to_ascii( mem_ctx, id21->uni_acct_desc );
 494         if ( !info->description )
 495                 return NULL;
 496
 497         info->workstations =
 498                 talloc_unistr2_to_ascii( mem_ctx, id21->uni_workstations );
 499         if ( !info->workstations )
 500                 return NULL;
 501
 502         info->dial =
 503                 talloc_unistr2_to_ascii( mem_ctx, id21->uni_munged_dial );
 504         if ( !info->dial )
 505                 return NULL;
 506
 507         info->rid = id21->user_rid;
 508         info->group_rid = id21->group_rid;
 509         info->acb_mask = id21->acb_info;
 510         info->bad_passwd_count = id21->bad_password_count;
 511         info->logon_count = id21->logon_count;
 512
 513         memcpy( info->nt_password, id21->nt_pwd, 8 );
 514         memcpy( info->lm_password, id21->lm_pwd, 8 );
 515
 516         info->logon_hours =
 517                 ( LOGON_HRS * ) talloc_memdup( mem_ctx, &( id21->logon_hrs ),
 518                                                sizeof( LOGON_HRS ) );
 519         if ( !info->logon_hours )
 520                 return NULL;
 521
 522         info->pass_must_change = ( id21->passmustchange ) ? True : False;
 523
 524         return info;
 525 }
 526
 527 CacGroupInfo *cac_MakeGroupInfo( TALLOC_CTX * mem_ctx, GROUP_INFO_CTR * ctr )
 528 {
 529         CacGroupInfo *info = NULL;
 530
 531         if ( !mem_ctx || !ctr || ctr->switch_value1 != 1 )
 532                 return NULL;
 533
 534         info = talloc( mem_ctx, CacGroupInfo );
 535         if ( !info )
 536                 return NULL;
 537
 538         info->name =
 539                 talloc_unistr2_to_ascii( mem_ctx,
 540                                          ctr->group.info1.uni_acct_name );
 541         if ( !info->name )
 542                 return NULL;
 543
 544         info->description =
 545                 talloc_unistr2_to_ascii( mem_ctx,
 546                                          ctr->group.info1.uni_acct_desc );
 547         if ( !info->description )
 548                 return NULL;
 549
 550         info->num_members = ctr->group.info1.num_members;
 551
 552         return info;
 553 }
 554
 555 GROUP_INFO_CTR *cac_MakeGroupInfoCtr( TALLOC_CTX * mem_ctx,
 556                                       CacGroupInfo * info )
 557 {
 558         GROUP_INFO_CTR *ctr = NULL;
 559
 560         if ( !mem_ctx || !info )
 561                 return NULL;
 562
 563         ctr = talloc( mem_ctx, GROUP_INFO_CTR );
 564         if ( !ctr )
 565                 return NULL;
 566
 567         ctr->switch_value1 = 1;
 568
 569         init_samr_group_info1( &( ctr->group.info1 ), info->name,
 570                                info->description, info->num_members );
 571
 572         return ctr;
 573 }
 574
 575 CacAliasInfo *cac_MakeAliasInfo( TALLOC_CTX * mem_ctx, ALIAS_INFO_CTR ctr )
 576 {
 577         CacGroupInfo *info = NULL;
 578
 579         if ( !mem_ctx || ctr.level != 1 )
 580                 return NULL;
 581
 582         info = talloc( mem_ctx, CacAliasInfo );
 583         if ( !info )
 584                 return NULL;
 585
 586         info->name =
 587                 talloc_unistr2_to_ascii( mem_ctx,
 588                                          *( ctr.alias.info1.name.string ) );
 589         if ( !info->name )
 590                 return NULL;
 591
 592         info->description =
 593                 talloc_unistr2_to_ascii( mem_ctx,
 594                                          *( ctr.alias.info1.description.
 595                                             string ) );
 596         if ( !info->name )
 597                 return NULL;
 598
 599         info->num_members = ctr.alias.info1.num_member;
 600
 601         return info;
 602 }
 603
 604 ALIAS_INFO_CTR *cac_MakeAliasInfoCtr( TALLOC_CTX * mem_ctx,
 605                                       CacAliasInfo * info )
 606 {
 607         ALIAS_INFO_CTR *ctr = NULL;
 608
 609         if ( !mem_ctx || !info )
 610                 return NULL;
 611
 612         ctr = talloc( mem_ctx, ALIAS_INFO_CTR );
 613         if ( !ctr )
 614                 return NULL;
 615
 616         ctr->level = 1;
 617
 618         init_samr_alias_info1( &( ctr->alias.info1 ), info->name,
 619                                info->num_members, info->description );
 620
 621         return ctr;
 622 }
 623
 624 CacDomainInfo *cac_MakeDomainInfo( TALLOC_CTX * mem_ctx,
 625                                    SAM_UNK_INFO_1 * info1,
 626                                    SAM_UNK_INFO_2 * info2,
 627                                    SAM_UNK_INFO_12 * info12 )
 628 {
 629         CacDomainInfo *info = NULL;
 630
 631         if ( !mem_ctx || !info1 || !info2 || !info12 )
 632                 return NULL;
 633
 634         info = talloc( mem_ctx, CacDomainInfo );
 635         if ( !info )
 636                 return NULL;
 637
 638         info->min_pass_length = info1->min_length_password;
 639         info->pass_history = info1->password_history;
 640
 641         cac_InitCacTime( &( info->expire ), info1->expire );
 642         cac_InitCacTime( &( info->min_pass_age ), info1->min_passwordage );
 643
 644         info->server_role = info2->server_role;
 645         info->num_users = info2->num_domain_usrs;
 646         info->num_domain_groups = info2->num_domain_grps;
 647         info->num_local_groups = info2->num_local_grps;
 648
 649         /*if these have been ZERO'd out we need to know. uni_str_len will be 0 */
 650         if ( info2->uni_comment.uni_str_len == 0 ) {
 651                 info->comment = talloc_strdup( mem_ctx, "\0" );
 652         } else {
 653                 info->comment =
 654                         talloc_unistr2_to_ascii( mem_ctx,
 655                                                  info2->uni_comment );
 656         }
 657
 658         if ( info2->uni_domain.uni_str_len == 0 ) {
 659                 info->domain_name = talloc_strdup( mem_ctx, "\0" );
 660         } else {
 661                 info->domain_name =
 662                         talloc_unistr2_to_ascii( mem_ctx, info2->uni_domain );
 663         }
 664
 665         if ( info2->uni_server.uni_str_len == 0 ) {
 666                 info->server_name = talloc_strdup( mem_ctx, "\0" );
 667         } else {
 668                 info->server_name =
 669                         talloc_unistr2_to_ascii( mem_ctx, info2->uni_server );
 670         }
 671
 672
 673         cac_InitCacTime( &( info->lockout_duration ), info12->duration );
 674         cac_InitCacTime( &( info->lockout_reset ), info12->reset_count );
 675         info->num_bad_attempts = info12->bad_attempt_lockout;
 676
 677         return info;
 678 }
 679
 680 char *cac_unistr_ascii( TALLOC_CTX * mem_ctx, UNISTR src )
 681 {
 682         char *buf;
 683         uint32 len;
 684
 685         if ( !mem_ctx || !src.buffer )
 686                 return NULL;
 687
 688         len = unistrlen( src.buffer ) + 1;
 689
 690         buf = TALLOC_ZERO_ARRAY( mem_ctx, char, len );
 691         if ( !buf )
 692                 return NULL;
 693
 694         rpcstr_pull( buf, src.buffer, len, -1, STR_TERMINATE );
 695
 696         return buf;
 697 }
 698
 699 CacService *cac_MakeServiceArray( TALLOC_CTX * mem_ctx,
 700                                   ENUM_SERVICES_STATUS * svc,
 701                                   uint32 num_services )
 702 {
 703         int i;
 704         CacService *services = NULL;
 705
 706         if ( !mem_ctx || !svc )
 707                 return NULL;
 708
 709         services = TALLOC_ZERO_ARRAY( mem_ctx, CacService, num_services );
 710         if ( !services )
 711                 return NULL;
 712
 713         for ( i = 0; i < num_services; i++ ) {
 714                 services[i].service_name =
 715                         cac_unistr_ascii( mem_ctx, svc[i].servicename );
 716                 services[i].display_name =
 717                         cac_unistr_ascii( mem_ctx, svc[i].displayname );
 718
 719                 if ( !services[i].service_name || !services[i].display_name )
 720                         return NULL;
 721
 722                 services[i].status = svc[i].status;
 723         }
 724
 725         return services;
 726 }
 727
 728 int cac_InitCacServiceConfig( TALLOC_CTX * mem_ctx, SERVICE_CONFIG * src,
 729                               CacServiceConfig * dest )
 730 {
 731         if ( !src || !dest )
 732                 return CAC_FAILURE;
 733
 734         dest->exe_path =
 735                 talloc_unistr2_to_ascii( mem_ctx, *src->executablepath );
 736         if ( !dest->exe_path )
 737                 return CAC_FAILURE;
 738
 739         dest->load_order_group =
 740                 talloc_unistr2_to_ascii( mem_ctx, *src->loadordergroup );
 741         if ( !dest->load_order_group )
 742                 return CAC_FAILURE;
 743
 744         dest->dependencies =
 745                 talloc_unistr2_to_ascii( mem_ctx, *src->dependencies );
 746         if ( !dest->dependencies )
 747                 return CAC_FAILURE;
 748
 749         dest->start_name =
 750                 talloc_unistr2_to_ascii( mem_ctx, *src->startname );
 751         if ( !dest->start_name )
 752                 return CAC_FAILURE;
 753
 754         dest->display_name =
 755                 talloc_unistr2_to_ascii( mem_ctx, *src->displayname );
 756         if ( !dest->display_name )
 757                 return CAC_FAILURE;
 758
 759         dest->type = src->service_type;
 760         dest->start_type = src->start_type;
 761         dest->error_control = src->error_control;
 762         dest->tag_id = src->tag_id;
 763
 764         return CAC_SUCCESS;
 765 }