source3/libnet/libnet_samsync_passdb.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    dump the remote SAM using rpc samsync operations
   4
   5    Copyright (C) Andrew Tridgell 2002
   6    Copyright (C) Tim Potter 2001,2002
   7    Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2005
   8    Modified by Volker Lendecke 2002
   9    Copyright (C) Jeremy Allison 2005.
  10    Copyright (C) Guenther Deschner 2008.
  11
  12    This program is free software; you can redistribute it and/or modify
  13    it under the terms of the GNU General Public License as published by
  14    the Free Software Foundation; either version 3 of the License, or
  15    (at your option) any later version.
  16
  17    This program is distributed in the hope that it will be useful,
  18    but WITHOUT ANY WARRANTY; without even the implied warranty of
  19    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20    GNU General Public License for more details.
  21
  22    You should have received a copy of the GNU General Public License
  23    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  24 */
  25
  26 #include "includes.h"
  27 #include "system/passwd.h"
  28 #include "libnet/libnet_samsync.h"
  29 #include "../libcli/security/security.h"
  30 #include "passdb.h"
  31
  32 /* Convert a struct samu_DELTA to a struct samu. */
  33 #define STRING_CHANGED (old_string && !new_string) ||\
  34                     (!old_string && new_string) ||\
  35                 (old_string && new_string && (strcmp(old_string, new_string) != 0))
  36
  37 #define STRING_CHANGED_NC(s1,s2) ((s1) && !(s2)) ||\
  38                     (!(s1) && (s2)) ||\
  39                 ((s1) && (s2) && (strcmp((s1), (s2)) != 0))
  40
  41 /****************************************************************
  42 ****************************************************************/
  43
  44 static NTSTATUS sam_account_from_delta(struct samu *account,
  45                                        struct netr_DELTA_USER *r)
  46 {
  47         const char *old_string, *new_string;
  48         time_t unix_time, stored_time;
  49         uchar zero_buf[16];
  50
  51         memset(zero_buf, '\0', sizeof(zero_buf));
  52
  53         /* Username, fullname, home dir, dir drive, logon script, acct
  54            desc, workstations, profile. */
  55
  56         if (r->account_name.string) {
  57                 old_string = pdb_get_nt_username(account);
  58                 new_string = r->account_name.string;
  59
  60                 if (STRING_CHANGED) {
  61                         pdb_set_nt_username(account, new_string, PDB_CHANGED);
  62                 }
  63
  64                 /* Unix username is the same - for sanity */
  65                 old_string = pdb_get_username( account );
  66                 if (STRING_CHANGED) {
  67                         pdb_set_username(account, new_string, PDB_CHANGED);
  68                 }
  69         }
  70
  71         if (r->full_name.string) {
  72                 old_string = pdb_get_fullname(account);
  73                 new_string = r->full_name.string;
  74
  75                 if (STRING_CHANGED)
  76                         pdb_set_fullname(account, new_string, PDB_CHANGED);
  77         }
  78
  79         if (r->home_directory.string) {
  80                 old_string = pdb_get_homedir(account);
  81                 new_string = r->home_directory.string;
  82
  83                 if (STRING_CHANGED)
  84                         pdb_set_homedir(account, new_string, PDB_CHANGED);
  85         }
  86
  87         if (r->home_drive.string) {
  88                 old_string = pdb_get_dir_drive(account);
  89                 new_string = r->home_drive.string;
  90
  91                 if (STRING_CHANGED)
  92                         pdb_set_dir_drive(account, new_string, PDB_CHANGED);
  93         }
  94
  95         if (r->logon_script.string) {
  96                 old_string = pdb_get_logon_script(account);
  97                 new_string = r->logon_script.string;
  98
  99                 if (STRING_CHANGED)
 100                         pdb_set_logon_script(account, new_string, PDB_CHANGED);
 101         }
 102
 103         if (r->description.string) {
 104                 old_string = pdb_get_acct_desc(account);
 105                 new_string = r->description.string;
 106
 107                 if (STRING_CHANGED)
 108                         pdb_set_acct_desc(account, new_string, PDB_CHANGED);
 109         }
 110
 111         if (r->workstations.string) {
 112                 old_string = pdb_get_workstations(account);
 113                 new_string = r->workstations.string;
 114
 115                 if (STRING_CHANGED)
 116                         pdb_set_workstations(account, new_string, PDB_CHANGED);
 117         }
 118
 119         if (r->profile_path.string) {
 120                 old_string = pdb_get_profile_path(account);
 121                 new_string = r->profile_path.string;
 122
 123                 if (STRING_CHANGED)
 124                         pdb_set_profile_path(account, new_string, PDB_CHANGED);
 125         }
 126
 127         if (r->parameters.array) {
 128                 DATA_BLOB mung;
 129                 char *newstr;
 130                 old_string = pdb_get_munged_dial(account);
 131                 mung.length = r->parameters.length * 2;
 132                 mung.data = (uint8_t *) r->parameters.array;
 133                 newstr = (mung.length == 0) ? NULL :
 134                         base64_encode_data_blob(talloc_tos(), mung);
 135
 136                 if (STRING_CHANGED_NC(old_string, newstr))
 137                         pdb_set_munged_dial(account, newstr, PDB_CHANGED);
 138                 TALLOC_FREE(newstr);
 139         }
 140
 141         /* User and group sid */
 142         if (pdb_get_user_rid(account) != r->rid)
 143                 pdb_set_user_sid_from_rid(account, r->rid, PDB_CHANGED);
 144         if (pdb_get_group_rid(account) != r->primary_gid)
 145                 pdb_set_group_sid_from_rid(account, r->primary_gid, PDB_CHANGED);
 146
 147         /* Logon and password information */
 148         if (!nt_time_is_zero(&r->last_logon)) {
 149                 unix_time = nt_time_to_unix(r->last_logon);
 150                 stored_time = pdb_get_logon_time(account);
 151                 if (stored_time != unix_time)
 152                         pdb_set_logon_time(account, unix_time, PDB_CHANGED);
 153         }
 154
 155         if (!nt_time_is_zero(&r->last_logoff)) {
 156                 unix_time = nt_time_to_unix(r->last_logoff);
 157                 stored_time = pdb_get_logoff_time(account);
 158                 if (stored_time != unix_time)
 159                         pdb_set_logoff_time(account, unix_time,PDB_CHANGED);
 160         }
 161
 162         /* Logon Divs */
 163         if (pdb_get_logon_divs(account) != r->logon_hours.units_per_week)
 164                 pdb_set_logon_divs(account, r->logon_hours.units_per_week, PDB_CHANGED);
 165
 166 #if 0
 167         /* no idea what to do with this one - gd */
 168         /* Max Logon Hours */
 169         if (delta->unknown1 != pdb_get_unknown_6(account)) {
 170                 pdb_set_unknown_6(account, delta->unknown1, PDB_CHANGED);
 171         }
 172 #endif
 173         /* Logon Hours Len */
 174         if (r->logon_hours.units_per_week/8 != pdb_get_hours_len(account)) {
 175                 pdb_set_hours_len(account, r->logon_hours.units_per_week/8, PDB_CHANGED);
 176         }
 177
 178         /* Logon Hours */
 179         if (r->logon_hours.bits) {
 180                 char oldstr[44], newstr[44];
 181                 pdb_sethexhours(oldstr, pdb_get_hours(account));
 182                 pdb_sethexhours(newstr, r->logon_hours.bits);
 183                 if (!strequal(oldstr, newstr))
 184                         pdb_set_hours(account, r->logon_hours.bits,
 185                                       pdb_get_hours_len(account), PDB_CHANGED);
 186         }
 187
 188         if (pdb_get_bad_password_count(account) != r->bad_password_count)
 189                 pdb_set_bad_password_count(account, r->bad_password_count, PDB_CHANGED);
 190
 191         if (pdb_get_logon_count(account) != r->logon_count)
 192                 pdb_set_logon_count(account, r->logon_count, PDB_CHANGED);
 193
 194         if (!nt_time_is_zero(&r->last_password_change)) {
 195                 unix_time = nt_time_to_unix(r->last_password_change);
 196                 stored_time = pdb_get_pass_last_set_time(account);
 197                 if (stored_time != unix_time)
 198                         pdb_set_pass_last_set_time(account, unix_time, PDB_CHANGED);
 199         } else {
 200                 /* no last set time, make it now */
 201                 pdb_set_pass_last_set_time(account, time(NULL), PDB_CHANGED);
 202         }
 203
 204         if (!nt_time_is_zero(&r->acct_expiry)) {
 205                 unix_time = nt_time_to_unix(r->acct_expiry);
 206                 stored_time = pdb_get_kickoff_time(account);
 207                 if (stored_time != unix_time)
 208                         pdb_set_kickoff_time(account, unix_time, PDB_CHANGED);
 209         }
 210
 211         /* Decode hashes from password hash
 212            Note that win2000 may send us all zeros for the hashes if it doesn't
 213            think this channel is secure enough - don't set the passwords at all
 214            in that case
 215         */
 216         if (memcmp(r->lmpassword.hash, zero_buf, 16) != 0) {
 217                 pdb_set_lanman_passwd(account, r->lmpassword.hash, PDB_CHANGED);
 218         }
 219
 220         if (memcmp(r->ntpassword.hash, zero_buf, 16) != 0) {
 221                 pdb_set_nt_passwd(account, r->ntpassword.hash, PDB_CHANGED);
 222         }
 223
 224         /* TODO: account expiry time */
 225
 226         pdb_set_acct_ctrl(account, r->acct_flags, PDB_CHANGED);
 227
 228         pdb_set_domain(account, lp_workgroup(), PDB_CHANGED);
 229
 230         return NT_STATUS_OK;
 231 }
 232
 233
 234 /****************************************************************
 235 ****************************************************************/
 236
 237 static NTSTATUS smb_create_user(TALLOC_CTX *mem_ctx,
 238                                 uint32_t acct_flags,
 239                                 const char *account,
 240                                 struct passwd **passwd_p)
 241 {
 242         struct passwd *passwd;
 243         char *add_script = NULL;
 244
 245         passwd = Get_Pwnam_alloc(mem_ctx, account);
 246         if (passwd) {
 247                 *passwd_p = passwd;
 248                 return NT_STATUS_OK;
 249         }
 250
 251         /* Create appropriate user */
 252         if (acct_flags & ACB_NORMAL) {
 253                 add_script = lp_adduser_script(mem_ctx);
 254         } else if ( (acct_flags & ACB_WSTRUST) ||
 255                     (acct_flags & ACB_SVRTRUST) ||
 256                     (acct_flags & ACB_DOMTRUST) ) {
 257                 add_script = lp_addmachine_script(mem_ctx);
 258         } else {
 259                 DEBUG(1, ("Unknown user type: %s\n",
 260                           pdb_encode_acct_ctrl(acct_flags, NEW_PW_FORMAT_SPACE_PADDED_LEN)));
 261                 return NT_STATUS_UNSUCCESSFUL;
 262         }
 263
 264         if (!add_script) {
 265                 return NT_STATUS_NO_MEMORY;
 266         }
 267
 268         if (*add_script) {
 269                 int add_ret;
 270                 add_script = talloc_all_string_sub(mem_ctx, add_script,
 271                                                    "%u", account);
 272                 if (!add_script) {
 273                         return NT_STATUS_NO_MEMORY;
 274                 }
 275                 add_ret = smbrun(add_script, NULL);
 276                 DEBUG(add_ret ? 0 : 1,("fetch_account: Running the command `%s' "
 277                          "gave %d\n", add_script, add_ret));
 278                 if (add_ret == 0) {
 279                         smb_nscd_flush_user_cache();
 280                 }
 281         }
 282
 283         /* try and find the possible unix account again */
 284         passwd = Get_Pwnam_alloc(mem_ctx, account);
 285         if (!passwd) {
 286                 return NT_STATUS_NO_SUCH_USER;
 287         }
 288
 289         *passwd_p = passwd;
 290
 291         return NT_STATUS_OK;
 292 }
 293 /****************************************************************
 294 ****************************************************************/
 295
 296 static NTSTATUS fetch_account_info(TALLOC_CTX *mem_ctx,
 297                                    uint32_t rid,
 298                                    struct netr_DELTA_USER *r)
 299 {
 300
 301         NTSTATUS nt_ret = NT_STATUS_UNSUCCESSFUL;
 302         fstring account;
 303         struct samu *sam_account=NULL;
 304         GROUP_MAP *map = NULL;
 305         struct group *grp;
 306         struct dom_sid user_sid;
 307         struct dom_sid group_sid;
 308         struct passwd *passwd = NULL;
 309         fstring sid_string;
 310
 311         fstrcpy(account, r->account_name.string);
 312         d_printf("Creating account: %s\n", account);
 313
 314         if ( !(sam_account = samu_new(mem_ctx)) ) {
 315                 return NT_STATUS_NO_MEMORY;
 316         }
 317
 318         nt_ret = smb_create_user(sam_account, r->acct_flags, account, &passwd);
 319         if (!NT_STATUS_IS_OK(nt_ret)) {
 320                 d_fprintf(stderr, "Could not create posix account info for '%s'\n",
 321                         account);
 322                 goto done;
 323         }
 324
 325         sid_compose(&user_sid, get_global_sam_sid(), r->rid);
 326
 327         DEBUG(3, ("Attempting to find SID %s for user %s in the passdb\n",
 328                   sid_to_fstring(sid_string, &user_sid), account));
 329         if (!pdb_getsampwsid(sam_account, &user_sid)) {
 330                 sam_account_from_delta(sam_account, r);
 331                 DEBUG(3, ("Attempting to add user SID %s for user %s in the passdb\n",
 332                           sid_to_fstring(sid_string, &user_sid),
 333                           pdb_get_username(sam_account)));
 334                 if (!NT_STATUS_IS_OK(pdb_add_sam_account(sam_account))) {
 335                         DEBUG(1, ("SAM Account for %s failed to be added to the passdb!\n",
 336                                   account));
 337                         return NT_STATUS_ACCESS_DENIED;
 338                 }
 339         } else {
 340                 sam_account_from_delta(sam_account, r);
 341                 DEBUG(3, ("Attempting to update user SID %s for user %s in the passdb\n",
 342                           sid_to_fstring(sid_string, &user_sid),
 343                           pdb_get_username(sam_account)));
 344                 if (!NT_STATUS_IS_OK(pdb_update_sam_account(sam_account))) {
 345                         DEBUG(1, ("SAM Account for %s failed to be updated in the passdb!\n",
 346                                   account));
 347                         TALLOC_FREE(sam_account);
 348                         return NT_STATUS_ACCESS_DENIED;
 349                 }
 350         }
 351
 352         if (pdb_get_group_sid(sam_account) == NULL) {
 353                 return NT_STATUS_UNSUCCESSFUL;
 354         }
 355
 356         group_sid = *pdb_get_group_sid(sam_account);
 357
 358         map = talloc_zero(mem_ctx, GROUP_MAP);
 359         if (!map) {
 360                 return NT_STATUS_NO_MEMORY;
 361         }
 362
 363         if (!pdb_getgrsid(map, group_sid)) {
 364                 DEBUG(0, ("Primary group of %s has no mapping!\n",
 365                           pdb_get_username(sam_account)));
 366         } else {
 367                 if (map->gid != passwd->pw_gid) {
 368                         if (!(grp = getgrgid(map->gid))) {
 369                                 DEBUG(0, ("Could not find unix group %lu for user %s (group SID=%s)\n",
 370                                           (unsigned long)map->gid, pdb_get_username(sam_account), sid_string_tos(&group_sid)));
 371                         } else {
 372                                 smb_set_primary_group(grp->gr_name, pdb_get_username(sam_account));
 373                         }
 374                 }
 375         }
 376
 377         if ( !passwd ) {
 378                 DEBUG(1, ("No unix user for this account (%s), cannot adjust mappings\n",
 379                         pdb_get_username(sam_account)));
 380         }
 381
 382  done:
 383         TALLOC_FREE(sam_account);
 384         TALLOC_FREE(map);
 385         return nt_ret;
 386 }
 387
 388 /****************************************************************
 389 ****************************************************************/
 390
 391 static NTSTATUS fetch_group_info(TALLOC_CTX *mem_ctx,
 392                                  uint32_t rid,
 393                                  struct netr_DELTA_GROUP *r)
 394 {
 395         struct group *grp = NULL;
 396         struct dom_sid group_sid;
 397         fstring sid_string;
 398         GROUP_MAP *map;
 399         bool insert = true;
 400
 401         map = talloc_zero(mem_ctx, GROUP_MAP);
 402         if (!map) {
 403                 return NT_STATUS_NO_MEMORY;
 404         }
 405         /* add the group to the mapping table */
 406         sid_compose(&group_sid, get_global_sam_sid(), rid);
 407         sid_to_fstring(sid_string, &group_sid);
 408
 409         if (pdb_getgrsid(map, group_sid)) {
 410                 if (map->gid != -1) {
 411                         grp = getgrgid(map->gid);
 412                 }
 413                 insert = false;
 414         }
 415
 416         map->nt_name = talloc_strdup(map, r->group_name.string);
 417         if (!map->nt_name) {
 418                 return NT_STATUS_NO_MEMORY;
 419         }
 420         map->comment = talloc_strdup(map, r->description.string);
 421         if (!map->comment) {
 422                 return NT_STATUS_NO_MEMORY;
 423         }
 424
 425         if (grp == NULL) {
 426                 gid_t gid;
 427
 428                 /* No group found from mapping, find it from its name. */
 429                 if ((grp = getgrnam(map->nt_name)) == NULL) {
 430
 431                         /* No appropriate group found, create one */
 432
 433                         d_printf("Creating unix group: '%s'\n", map->nt_name);
 434
 435                         if (smb_create_group(map->nt_name, &gid) != 0)
 436                                 return NT_STATUS_ACCESS_DENIED;
 437
 438                         if ((grp = getgrnam(map->nt_name)) == NULL)
 439                                 return NT_STATUS_ACCESS_DENIED;
 440                 }
 441         }
 442
 443         map->gid = grp->gr_gid;
 444         map->sid = group_sid;
 445         map->sid_name_use = SID_NAME_DOM_GRP;
 446
 447         if (insert) {
 448                 pdb_add_group_mapping_entry(map);
 449         } else {
 450                 pdb_update_group_mapping_entry(map);
 451         }
 452
 453         TALLOC_FREE(map);
 454         return NT_STATUS_OK;
 455 }
 456
 457 /****************************************************************
 458 ****************************************************************/
 459
 460 static NTSTATUS fetch_group_mem_info(TALLOC_CTX *mem_ctx,
 461                                      uint32_t rid,
 462                                      struct netr_DELTA_GROUP_MEMBER *r)
 463 {
 464         int i;
 465         char **nt_members = NULL;
 466         char **unix_members;
 467         struct dom_sid group_sid;
 468         GROUP_MAP *map;
 469         struct group *grp;
 470
 471         if (r->num_rids == 0) {
 472                 return NT_STATUS_OK;
 473         }
 474
 475         sid_compose(&group_sid, get_global_sam_sid(), rid);
 476
 477         map = talloc_zero(mem_ctx, GROUP_MAP);
 478         if (!map) {
 479                 return NT_STATUS_NO_MEMORY;
 480         }
 481
 482         if (!get_domain_group_from_sid(group_sid, map)) {
 483                 DEBUG(0, ("Could not find global group %d\n", rid));
 484                 TALLOC_FREE(map);
 485                 return NT_STATUS_NO_SUCH_GROUP;
 486         }
 487
 488         if (!(grp = getgrgid(map->gid))) {
 489                 DEBUG(0, ("Could not find unix group %lu\n",
 490                                                 (unsigned long)map->gid));
 491                 TALLOC_FREE(map);
 492                 return NT_STATUS_NO_SUCH_GROUP;
 493         }
 494
 495         TALLOC_FREE(map);
 496
 497         d_printf("Group members of %s: ", grp->gr_name);
 498
 499         if (r->num_rids) {
 500                 if ((nt_members = talloc_zero_array(mem_ctx, char *, r->num_rids)) == NULL) {
 501                         DEBUG(0, ("talloc failed\n"));
 502                         return NT_STATUS_NO_MEMORY;
 503                 }
 504         } else {
 505                 nt_members = NULL;
 506         }
 507
 508         for (i=0; i < r->num_rids; i++) {
 509                 struct samu *member = NULL;
 510                 struct dom_sid member_sid;
 511
 512                 if ( !(member = samu_new(mem_ctx)) ) {
 513                         return NT_STATUS_NO_MEMORY;
 514                 }
 515
 516                 sid_compose(&member_sid, get_global_sam_sid(), r->rids[i]);
 517
 518                 if (!pdb_getsampwsid(member, &member_sid)) {
 519                         DEBUG(1, ("Found bogus group member: %d (member_sid=%s group=%s)\n",
 520                                   r->rids[i], sid_string_tos(&member_sid), grp->gr_name));
 521                         TALLOC_FREE(member);
 522                         continue;
 523                 }
 524
 525                 if (pdb_get_group_rid(member) == rid) {
 526                         d_printf("%s(primary),", pdb_get_username(member));
 527                         TALLOC_FREE(member);
 528                         continue;
 529                 }
 530
 531                 d_printf("%s,", pdb_get_username(member));
 532                 nt_members[i] = talloc_strdup(mem_ctx, pdb_get_username(member));
 533                 TALLOC_FREE(member);
 534         }
 535
 536         d_printf("\n");
 537
 538         unix_members = grp->gr_mem;
 539
 540         while (*unix_members) {
 541                 bool is_nt_member = false;
 542                 for (i=0; i < r->num_rids; i++) {
 543                         if (nt_members[i] == NULL) {
 544                                 /* This was a primary group */
 545                                 continue;
 546                         }
 547
 548                         if (strcmp(*unix_members, nt_members[i]) == 0) {
 549                                 is_nt_member = true;
 550                                 break;
 551                         }
 552                 }
 553                 if (!is_nt_member) {
 554                         /* We look at a unix group member that is not
 555                            an nt group member. So, remove it. NT is
 556                            boss here. */
 557                         smb_delete_user_group(grp->gr_name, *unix_members);
 558                 }
 559                 unix_members += 1;
 560         }
 561
 562         for (i=0; i < r->num_rids; i++) {
 563                 bool is_unix_member = false;
 564
 565                 if (nt_members[i] == NULL) {
 566                         /* This was the primary group */
 567                         continue;
 568                 }
 569
 570                 unix_members = grp->gr_mem;
 571
 572                 while (*unix_members) {
 573                         if (strcmp(*unix_members, nt_members[i]) == 0) {
 574                                 is_unix_member = true;
 575                                 break;
 576                         }
 577                         unix_members += 1;
 578                 }
 579
 580                 if (!is_unix_member) {
 581                         /* We look at a nt group member that is not a
 582                            unix group member currently. So, add the nt
 583                            group member. */
 584                         smb_add_user_group(grp->gr_name, nt_members[i]);
 585                 }
 586         }
 587
 588         return NT_STATUS_OK;
 589 }
 590
 591 /****************************************************************
 592 ****************************************************************/
 593
 594 static NTSTATUS fetch_alias_info(TALLOC_CTX *mem_ctx,
 595                                  uint32_t rid,
 596                                  struct netr_DELTA_ALIAS *r,
 597                                  const struct dom_sid *dom_sid)
 598 {
 599         struct group *grp = NULL;
 600         struct dom_sid alias_sid;
 601         fstring sid_string;
 602         GROUP_MAP *map;
 603         bool insert = true;
 604
 605         map = talloc_zero(mem_ctx, GROUP_MAP);
 606         if (!map) {
 607                 return NT_STATUS_NO_MEMORY;
 608         }
 609
 610         /* Find out whether the group is already mapped */
 611         sid_compose(&alias_sid, dom_sid, rid);
 612         sid_to_fstring(sid_string, &alias_sid);
 613
 614         if (pdb_getgrsid(map, alias_sid)) {
 615                 grp = getgrgid(map->gid);
 616                 insert = false;
 617         }
 618
 619         map->nt_name = talloc_strdup(map, r->alias_name.string);
 620         if (!map->nt_name) {
 621                 return NT_STATUS_NO_MEMORY;
 622         }
 623         map->comment = talloc_strdup(map, r->description.string);
 624         if (!map->comment) {
 625                 return NT_STATUS_NO_MEMORY;
 626         }
 627
 628         if (grp == NULL) {
 629                 gid_t gid;
 630
 631                 /* No group found from mapping, find it from its name. */
 632                 if ((grp = getgrnam(map->nt_name)) == NULL) {
 633                         /* No appropriate group found, create one */
 634                         d_printf("Creating unix group: '%s'\n", map->nt_name);
 635                         if (smb_create_group(map->nt_name, &gid) != 0)
 636                                 return NT_STATUS_ACCESS_DENIED;
 637                         if ((grp = getgrgid(gid)) == NULL)
 638                                 return NT_STATUS_ACCESS_DENIED;
 639                 }
 640         }
 641
 642         map->gid = grp->gr_gid;
 643         map->sid = alias_sid;
 644
 645         if (dom_sid_equal(dom_sid, &global_sid_Builtin)) {
 646                 map->sid_name_use = SID_NAME_WKN_GRP;
 647         } else {
 648                 map->sid_name_use = SID_NAME_ALIAS;
 649         }
 650
 651         if (insert) {
 652                 pdb_add_group_mapping_entry(map);
 653         } else {
 654                 pdb_update_group_mapping_entry(map);
 655         }
 656
 657         TALLOC_FREE(map);
 658         return NT_STATUS_OK;
 659 }
 660
 661 /****************************************************************
 662 ****************************************************************/
 663
 664 static NTSTATUS fetch_alias_mem(TALLOC_CTX *mem_ctx,
 665                                 uint32_t rid,
 666                                 struct netr_DELTA_ALIAS_MEMBER *r,
 667                                 const struct dom_sid *dom_sid)
 668 {
 669         return NT_STATUS_OK;
 670 }
 671
 672 /****************************************************************
 673 ****************************************************************/
 674
 675 static NTSTATUS fetch_domain_info(TALLOC_CTX *mem_ctx,
 676                                   uint32_t rid,
 677                                   struct netr_DELTA_DOMAIN *r)
 678 {
 679         time_t u_max_age, u_min_age, u_logout;
 680         NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
 681         const char *domname;
 682         struct netr_AcctLockStr *lockstr = NULL;
 683         NTSTATUS status;
 684
 685         status = pull_netr_AcctLockStr(mem_ctx, &r->account_lockout,
 686                                        &lockstr);
 687         if (!NT_STATUS_IS_OK(status)) {
 688                 d_printf("failed to pull account lockout string: %s\n",
 689                         nt_errstr(status));
 690         }
 691
 692         u_max_age = uint64s_nt_time_to_unix_abs((uint64 *)&r->max_password_age);
 693         u_min_age = uint64s_nt_time_to_unix_abs((uint64 *)&r->min_password_age);
 694         u_logout = uint64s_nt_time_to_unix_abs((uint64 *)&r->force_logoff_time);
 695
 696         domname = r->domain_name.string;
 697         if (!domname) {
 698                 return NT_STATUS_NO_MEMORY;
 699         }
 700
 701         /* we don't handle BUILTIN account policies */
 702         if (!strequal(domname, get_global_sam_name())) {
 703                 printf("skipping SAM_DOMAIN_INFO delta for '%s' (is not my domain)\n", domname);
 704                 return NT_STATUS_OK;
 705         }
 706
 707
 708         if (!pdb_set_account_policy(PDB_POLICY_PASSWORD_HISTORY,
 709                                     r->password_history_length))
 710                 return nt_status;
 711
 712         if (!pdb_set_account_policy(PDB_POLICY_MIN_PASSWORD_LEN,
 713                                     r->min_password_length))
 714                 return nt_status;
 715
 716         if (!pdb_set_account_policy(PDB_POLICY_MAX_PASSWORD_AGE,
 717                                     (uint32)u_max_age))
 718                 return nt_status;
 719
 720         if (!pdb_set_account_policy(PDB_POLICY_MIN_PASSWORD_AGE,
 721                                     (uint32)u_min_age))
 722                 return nt_status;
 723
 724         if (!pdb_set_account_policy(PDB_POLICY_TIME_TO_LOGOUT,
 725                                     (uint32)u_logout))
 726                 return nt_status;
 727
 728         if (lockstr) {
 729                 time_t u_lockoutreset, u_lockouttime;
 730
 731                 u_lockoutreset = uint64s_nt_time_to_unix_abs(&lockstr->reset_count);
 732                 u_lockouttime = uint64s_nt_time_to_unix_abs((uint64_t *)&lockstr->lockout_duration);
 733
 734                 if (!pdb_set_account_policy(PDB_POLICY_BAD_ATTEMPT_LOCKOUT,
 735                                             lockstr->bad_attempt_lockout))
 736                         return nt_status;
 737
 738                 if (!pdb_set_account_policy(PDB_POLICY_RESET_COUNT_TIME,
 739                                             (uint32_t)u_lockoutreset/60))
 740                         return nt_status;
 741
 742                 if (u_lockouttime != -1)
 743                         u_lockouttime /= 60;
 744
 745                 if (!pdb_set_account_policy(PDB_POLICY_LOCK_ACCOUNT_DURATION,
 746                                             (uint32_t)u_lockouttime))
 747                         return nt_status;
 748         }
 749
 750         if (!pdb_set_account_policy(PDB_POLICY_USER_MUST_LOGON_TO_CHG_PASS,
 751                                     r->logon_to_chgpass))
 752                 return nt_status;
 753
 754         return NT_STATUS_OK;
 755 }
 756
 757 /****************************************************************
 758 ****************************************************************/
 759
 760 static NTSTATUS fetch_sam_entry(TALLOC_CTX *mem_ctx,
 761                                 enum netr_SamDatabaseID database_id,
 762                                 struct netr_DELTA_ENUM *r,
 763                                 struct samsync_context *ctx)
 764 {
 765         NTSTATUS status = NT_STATUS_NOT_IMPLEMENTED;
 766
 767         switch (r->delta_type) {
 768         case NETR_DELTA_USER:
 769                 status = fetch_account_info(mem_ctx,
 770                                             r->delta_id_union.rid,
 771                                             r->delta_union.user);
 772                 break;
 773         case NETR_DELTA_GROUP:
 774                 status = fetch_group_info(mem_ctx,
 775                                           r->delta_id_union.rid,
 776                                           r->delta_union.group);
 777                 break;
 778         case NETR_DELTA_GROUP_MEMBER:
 779                 status = fetch_group_mem_info(mem_ctx,
 780                                               r->delta_id_union.rid,
 781                                               r->delta_union.group_member);
 782                 break;
 783         case NETR_DELTA_ALIAS:
 784                 status = fetch_alias_info(mem_ctx,
 785                                           r->delta_id_union.rid,
 786                                           r->delta_union.alias,
 787                                           ctx->domain_sid);
 788                 break;
 789         case NETR_DELTA_ALIAS_MEMBER:
 790                 status = fetch_alias_mem(mem_ctx,
 791                                          r->delta_id_union.rid,
 792                                          r->delta_union.alias_member,
 793                                          ctx->domain_sid);
 794                 break;
 795         case NETR_DELTA_DOMAIN:
 796                 status = fetch_domain_info(mem_ctx,
 797                                            r->delta_id_union.rid,
 798                                            r->delta_union.domain);
 799                 break;
 800         /* The following types are recognised but not handled */
 801         case NETR_DELTA_RENAME_GROUP:
 802                 d_printf("NETR_DELTA_RENAME_GROUP not handled\n");
 803                 break;
 804         case NETR_DELTA_RENAME_USER:
 805                 d_printf("NETR_DELTA_RENAME_USER not handled\n");
 806                 break;
 807         case NETR_DELTA_RENAME_ALIAS:
 808                 d_printf("NETR_DELTA_RENAME_ALIAS not handled\n");
 809                 break;
 810         case NETR_DELTA_POLICY:
 811                 d_printf("NETR_DELTA_POLICY not handled\n");
 812                 break;
 813         case NETR_DELTA_TRUSTED_DOMAIN:
 814                 d_printf("NETR_DELTA_TRUSTED_DOMAIN not handled\n");
 815                 break;
 816         case NETR_DELTA_ACCOUNT:
 817                 d_printf("NETR_DELTA_ACCOUNT not handled\n");
 818                 break;
 819         case NETR_DELTA_SECRET:
 820                 d_printf("NETR_DELTA_SECRET not handled\n");
 821                 break;
 822         case NETR_DELTA_DELETE_GROUP:
 823                 d_printf("NETR_DELTA_DELETE_GROUP not handled\n");
 824                 break;
 825         case NETR_DELTA_DELETE_USER:
 826                 d_printf("NETR_DELTA_DELETE_USER not handled\n");
 827                 break;
 828         case NETR_DELTA_MODIFY_COUNT:
 829                 d_printf("NETR_DELTA_MODIFY_COUNT not handled\n");
 830                 break;
 831         case NETR_DELTA_DELETE_ALIAS:
 832                 d_printf("NETR_DELTA_DELETE_ALIAS not handled\n");
 833                 break;
 834         case NETR_DELTA_DELETE_TRUST:
 835                 d_printf("NETR_DELTA_DELETE_TRUST not handled\n");
 836                 break;
 837         case NETR_DELTA_DELETE_ACCOUNT:
 838                 d_printf("NETR_DELTA_DELETE_ACCOUNT not handled\n");
 839                 break;
 840         case NETR_DELTA_DELETE_SECRET:
 841                 d_printf("NETR_DELTA_DELETE_SECRET not handled\n");
 842                 break;
 843         case NETR_DELTA_DELETE_GROUP2:
 844                 d_printf("NETR_DELTA_DELETE_GROUP2 not handled\n");
 845                 break;
 846         case NETR_DELTA_DELETE_USER2:
 847                 d_printf("NETR_DELTA_DELETE_USER2 not handled\n");
 848                 break;
 849         default:
 850                 d_printf("Unknown delta record type %d\n", r->delta_type);
 851                 status = NT_STATUS_INVALID_PARAMETER;
 852                 break;
 853         }
 854
 855         return status;
 856 }
 857
 858 /****************************************************************
 859 ****************************************************************/
 860
 861 static NTSTATUS fetch_sam_entries(TALLOC_CTX *mem_ctx,
 862                                   enum netr_SamDatabaseID database_id,
 863                                   struct netr_DELTA_ENUM_ARRAY *r,
 864                                   uint64_t *sequence_num,
 865                                   struct samsync_context *ctx)
 866 {
 867         int i;
 868
 869         for (i = 0; i < r->num_deltas; i++) {
 870                 fetch_sam_entry(mem_ctx, database_id, &r->delta_enum[i], ctx);
 871         }
 872
 873         return NT_STATUS_OK;
 874 }
 875
 876 /****************************************************************
 877 ****************************************************************/
 878
 879 const struct samsync_ops libnet_samsync_passdb_ops = {
 880         .process_objects        = fetch_sam_entries,
 881 };