1/* 2 Unix SMB/CIFS implementation. 3 passdb structures and parameters 4 Copyright (C) Gerald Carter 2001 5 Copyright (C) Luke Kenneth Casson Leighton 1998 - 2000 6 Copyright (C) Andrew Bartlett 2002 7 Copyright (C) Simo Sorce 2003 8 9 This program is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; either version 3 of the License, or 12 (at your option) any later version. 13 14 This program is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program. If not, see <http://www.gnu.org/licenses/>. 21*/ 22 23#ifndef _PASSDB_H 24#define _PASSDB_H 25 26/********************************************************************** 27 * Masks for mappings between unix uid and gid types and 28 * NT RIDS. 29 **********************************************************************/ 30 31#define BASE_RID (0x000003E8L) 32 33/* Take the bottom bit. */ 34#define RID_TYPE_MASK 1 35#define RID_MULTIPLIER 2 36 37/* The two common types. */ 38#define USER_RID_TYPE 0 39#define GROUP_RID_TYPE 1 40 41/* 42 * bit flags representing initialized fields in struct samu 43 */ 44enum pdb_elements { 45 PDB_UNINIT, 46 PDB_SMBHOME, 47 PDB_PROFILE, 48 PDB_DRIVE, 49 PDB_LOGONSCRIPT, 50 PDB_LOGONTIME, 51 PDB_LOGOFFTIME, 52 PDB_KICKOFFTIME, 53 PDB_BAD_PASSWORD_TIME, 54 PDB_CANCHANGETIME, 55 PDB_MUSTCHANGETIME, 56 PDB_PLAINTEXT_PW, 57 PDB_USERNAME, 58 PDB_FULLNAME, 59 PDB_DOMAIN, 60 PDB_NTUSERNAME, 61 PDB_HOURSLEN, 62 PDB_LOGONDIVS, 63 PDB_USERSID, 64 PDB_GROUPSID, 65 PDB_ACCTCTRL, 66 PDB_PASSLASTSET, 67 PDB_ACCTDESC, 68 PDB_WORKSTATIONS, 69 PDB_COMMENT, 70 PDB_MUNGEDDIAL, 71 PDB_HOURS, 72 PDB_FIELDS_PRESENT, 73 PDB_BAD_PASSWORD_COUNT, 74 PDB_LOGON_COUNT, 75 PDB_UNKNOWN6, 76 PDB_LMPASSWD, 77 PDB_NTPASSWD, 78 PDB_PWHISTORY, 79 PDB_BACKEND_PRIVATE_DATA, 80 81 /* this must be the last element */ 82 PDB_COUNT 83}; 84 85enum pdb_group_elements { 86 PDB_GROUP_NAME, 87 PDB_GROUP_SID, 88 PDB_GROUP_SID_NAME_USE, 89 PDB_GROUP_MEMBERS, 90 91 /* this must be the last element */ 92 PDB_GROUP_COUNT 93}; 94 95 96enum pdb_value_state { 97 PDB_DEFAULT=0, 98 PDB_SET, 99 PDB_CHANGED 100}; 101 102#define IS_SAM_SET(x, flag) (pdb_get_init_flags(x, flag) == PDB_SET) 103#define IS_SAM_CHANGED(x, flag) (pdb_get_init_flags(x, flag) == PDB_CHANGED) 104#define IS_SAM_DEFAULT(x, flag) (pdb_get_init_flags(x, flag) == PDB_DEFAULT) 105 106/* cache for bad password lockout data, to be used on replicated SAMs */ 107typedef struct logon_cache_struct { 108 time_t entry_timestamp; 109 uint32 acct_ctrl; 110 uint16 bad_password_count; 111 time_t bad_password_time; 112} LOGIN_CACHE; 113 114#define SAMU_BUFFER_V0 0 115#define SAMU_BUFFER_V1 1 116#define SAMU_BUFFER_V2 2 117#define SAMU_BUFFER_V3 3 118/* nothing changed from V3 to V4 */ 119#define SAMU_BUFFER_V4 4 120#define SAMU_BUFFER_LATEST SAMU_BUFFER_V4 121 122struct samu { 123 struct pdb_methods *methods; 124 125 /* initialization flags */ 126 struct bitmap *change_flags; 127 struct bitmap *set_flags; 128 129 time_t logon_time; /* logon time */ 130 time_t logoff_time; /* logoff time */ 131 time_t kickoff_time; /* kickoff time */ 132 time_t bad_password_time; /* last bad password entered */ 133 time_t pass_last_set_time; /* password last set time */ 134 time_t pass_can_change_time; /* password can change time */ 135 time_t pass_must_change_time; /* password must change time */ 136 137 const char *username; /* UNIX username string */ 138 const char *domain; /* Windows Domain name */ 139 const char *nt_username; /* Windows username string */ 140 const char *full_name; /* user's full name string */ 141 const char *home_dir; /* home directory string */ 142 const char *dir_drive; /* home directory drive string */ 143 const char *logon_script; /* logon script string */ 144 const char *profile_path; /* profile path string */ 145 const char *acct_desc; /* user description string */ 146 const char *workstations; /* login from workstations string */ 147 const char *comment; 148 const char *munged_dial; /* munged path name and dial-back tel number */ 149 150 DOM_SID user_sid; 151 DOM_SID *group_sid; 152 153 DATA_BLOB lm_pw; /* .data is Null if no password */ 154 DATA_BLOB nt_pw; /* .data is Null if no password */ 155 DATA_BLOB nt_pw_his; /* nt hashed password history .data is Null if not available */ 156 char* plaintext_pw; /* is Null if not available */ 157 158 uint32 acct_ctrl; /* account info (ACB_xxxx bit-mask) */ 159 uint32 fields_present; /* 0x00ff ffff */ 160 161 uint16 logon_divs; /* 168 - number of hours in a week */ 162 uint32 hours_len; /* normally 21 bytes */ 163 uint8 hours[MAX_HOURS_LEN]; 164 165 /* Was unknown_5. */ 166 uint16 bad_password_count; 167 uint16 logon_count; 168 169 uint32 unknown_6; /* 0x0000 04ec */ 170 171 /* a tag for who added the private methods */ 172 173 const struct pdb_methods *backend_private_methods; 174 void *backend_private_data; 175 void (*backend_private_data_free_fn)(void **); 176 177 /* maintain a copy of the user's struct passwd */ 178 179 struct passwd *unix_pw; 180}; 181 182struct acct_info { 183 fstring acct_name; /* account name */ 184 fstring acct_desc; /* account name */ 185 uint32 rid; /* domain-relative RID */ 186}; 187 188struct samr_displayentry { 189 uint32 idx; 190 uint32 rid; 191 uint32 acct_flags; 192 const char *account_name; 193 const char *fullname; 194 const char *description; 195}; 196 197enum pdb_search_type { 198 PDB_USER_SEARCH, 199 PDB_GROUP_SEARCH, 200 PDB_ALIAS_SEARCH 201}; 202 203struct pdb_search { 204 enum pdb_search_type type; 205 struct samr_displayentry *cache; 206 uint32 num_entries; 207 ssize_t cache_size; 208 bool search_ended; 209 void *private_data; 210 bool (*next_entry)(struct pdb_search *search, 211 struct samr_displayentry *entry); 212 void (*search_end)(struct pdb_search *search); 213}; 214 215struct pdb_domain_info { 216 char *name; 217 char *dns_domain; 218 char *dns_forest; 219 struct dom_sid sid; 220 struct GUID guid; 221}; 222 223/* 224 * Types of account policy. 225 */ 226enum pdb_policy_type { 227 PDB_POLICY_MIN_PASSWORD_LEN = 1, 228 PDB_POLICY_PASSWORD_HISTORY = 2, 229 PDB_POLICY_USER_MUST_LOGON_TO_CHG_PASS = 3, 230 PDB_POLICY_MAX_PASSWORD_AGE = 4, 231 PDB_POLICY_MIN_PASSWORD_AGE = 5, 232 PDB_POLICY_LOCK_ACCOUNT_DURATION = 6, 233 PDB_POLICY_RESET_COUNT_TIME = 7, 234 PDB_POLICY_BAD_ATTEMPT_LOCKOUT = 8, 235 PDB_POLICY_TIME_TO_LOGOUT = 9, 236 PDB_POLICY_REFUSE_MACHINE_PW_CHANGE = 10 237}; 238 239#define PDB_CAP_STORE_RIDS 0x0001 240#define PDB_CAP_ADS 0x0002 241 242/***************************************************************** 243 Functions to be implemented by the new (v2) passdb API 244****************************************************************/ 245 246/* 247 * This next constant specifies the version number of the PASSDB interface 248 * this SAMBA will load. Increment this if *ANY* changes are made to the interface. 249 * Changed interface to fix int -> size_t problems. JRA. 250 * There's no point in allocating arrays in 251 * samr_lookup_rids twice. It was done in the srv_samr_nt.c code as well as in 252 * the pdb module. Remove the latter, this might happen more often. VL. 253 * changed to version 14 to move lookup_rids and lookup_names to return 254 * enum lsa_SidType rather than uint32. 255 * Changed to 16 for access to the trusted domain passwords (obnox). 256 * Changed to 17, the sampwent interface is gone. 257 * Changed to 18, pdb_rid_algorithm -> pdb_capabilities 258 * Changed to 19, removed uid_to_rid 259 */ 260 261#define PASSDB_INTERFACE_VERSION 19 262 263struct pdb_methods 264{ 265 const char *name; /* What name got this module */ 266 267 struct pdb_domain_info *(*get_domain_info)(struct pdb_methods *, 268 TALLOC_CTX *mem_ctx); 269 270 NTSTATUS (*getsampwnam)(struct pdb_methods *, struct samu *sam_acct, const char *username); 271 272 NTSTATUS (*getsampwsid)(struct pdb_methods *, struct samu *sam_acct, const DOM_SID *sid); 273 274 NTSTATUS (*create_user)(struct pdb_methods *, TALLOC_CTX *tmp_ctx, 275 const char *name, uint32 acct_flags, 276 uint32 *rid); 277 278 NTSTATUS (*delete_user)(struct pdb_methods *, TALLOC_CTX *tmp_ctx, 279 struct samu *sam_acct); 280 281 NTSTATUS (*add_sam_account)(struct pdb_methods *, struct samu *sampass); 282 283 NTSTATUS (*update_sam_account)(struct pdb_methods *, struct samu *sampass); 284 285 NTSTATUS (*delete_sam_account)(struct pdb_methods *, struct samu *username); 286 287 NTSTATUS (*rename_sam_account)(struct pdb_methods *, struct samu *oldname, const char *newname); 288 289 NTSTATUS (*update_login_attempts)(struct pdb_methods *methods, struct samu *sam_acct, bool success); 290 291 NTSTATUS (*getgrsid)(struct pdb_methods *methods, GROUP_MAP *map, DOM_SID sid); 292 293 NTSTATUS (*getgrgid)(struct pdb_methods *methods, GROUP_MAP *map, gid_t gid); 294 295 NTSTATUS (*getgrnam)(struct pdb_methods *methods, GROUP_MAP *map, const char *name); 296 297 NTSTATUS (*create_dom_group)(struct pdb_methods *methods, 298 TALLOC_CTX *mem_ctx, const char *name, 299 uint32 *rid); 300 301 NTSTATUS (*delete_dom_group)(struct pdb_methods *methods, 302 TALLOC_CTX *mem_ctx, uint32 rid); 303 304 NTSTATUS (*add_group_mapping_entry)(struct pdb_methods *methods, 305 GROUP_MAP *map); 306 307 NTSTATUS (*update_group_mapping_entry)(struct pdb_methods *methods, 308 GROUP_MAP *map); 309 310 NTSTATUS (*delete_group_mapping_entry)(struct pdb_methods *methods, 311 DOM_SID sid); 312 313 NTSTATUS (*enum_group_mapping)(struct pdb_methods *methods, 314 const DOM_SID *sid, enum lsa_SidType sid_name_use, 315 GROUP_MAP **pp_rmap, size_t *p_num_entries, 316 bool unix_only); 317 318 NTSTATUS (*enum_group_members)(struct pdb_methods *methods, 319 TALLOC_CTX *mem_ctx, 320 const DOM_SID *group, 321 uint32 **pp_member_rids, 322 size_t *p_num_members); 323 324 NTSTATUS (*enum_group_memberships)(struct pdb_methods *methods, 325 TALLOC_CTX *mem_ctx, 326 struct samu *user, 327 DOM_SID **pp_sids, gid_t **pp_gids, 328 size_t *p_num_groups); 329 330 NTSTATUS (*set_unix_primary_group)(struct pdb_methods *methods, 331 TALLOC_CTX *mem_ctx, 332 struct samu *user); 333 334 NTSTATUS (*add_groupmem)(struct pdb_methods *methods, 335 TALLOC_CTX *mem_ctx, 336 uint32 group_rid, uint32 member_rid); 337 338 NTSTATUS (*del_groupmem)(struct pdb_methods *methods, 339 TALLOC_CTX *mem_ctx, 340 uint32 group_rid, uint32 member_rid); 341 342 NTSTATUS (*create_alias)(struct pdb_methods *methods, 343 const char *name, uint32 *rid); 344 345 NTSTATUS (*delete_alias)(struct pdb_methods *methods, 346 const DOM_SID *sid); 347 348 NTSTATUS (*get_aliasinfo)(struct pdb_methods *methods, 349 const DOM_SID *sid, 350 struct acct_info *info); 351 352 NTSTATUS (*set_aliasinfo)(struct pdb_methods *methods, 353 const DOM_SID *sid, 354 struct acct_info *info); 355 356 NTSTATUS (*add_aliasmem)(struct pdb_methods *methods, 357 const DOM_SID *alias, const DOM_SID *member); 358 NTSTATUS (*del_aliasmem)(struct pdb_methods *methods, 359 const DOM_SID *alias, const DOM_SID *member); 360 NTSTATUS (*enum_aliasmem)(struct pdb_methods *methods, 361 const DOM_SID *alias, TALLOC_CTX *mem_ctx, 362 DOM_SID **members, size_t *p_num_members); 363 NTSTATUS (*enum_alias_memberships)(struct pdb_methods *methods, 364 TALLOC_CTX *mem_ctx, 365 const DOM_SID *domain_sid, 366 const DOM_SID *members, 367 size_t num_members, 368 uint32 **pp_alias_rids, 369 size_t *p_num_alias_rids); 370 371 NTSTATUS (*lookup_rids)(struct pdb_methods *methods, 372 const DOM_SID *domain_sid, 373 int num_rids, 374 uint32 *rids, 375 const char **pp_names, 376 enum lsa_SidType *attrs); 377 378 NTSTATUS (*lookup_names)(struct pdb_methods *methods, 379 const DOM_SID *domain_sid, 380 int num_names, 381 const char **pp_names, 382 uint32 *rids, 383 enum lsa_SidType *attrs); 384 385 NTSTATUS (*get_account_policy)(struct pdb_methods *methods, 386 enum pdb_policy_type type, 387 uint32_t *value); 388 389 NTSTATUS (*set_account_policy)(struct pdb_methods *methods, 390 enum pdb_policy_type type, 391 uint32_t value); 392 393 NTSTATUS (*get_seq_num)(struct pdb_methods *methods, time_t *seq_num); 394 395 bool (*search_users)(struct pdb_methods *methods, 396 struct pdb_search *search, 397 uint32 acct_flags); 398 bool (*search_groups)(struct pdb_methods *methods, 399 struct pdb_search *search); 400 bool (*search_aliases)(struct pdb_methods *methods, 401 struct pdb_search *search, 402 const DOM_SID *sid); 403 404 bool (*uid_to_sid)(struct pdb_methods *methods, uid_t uid, 405 DOM_SID *sid); 406 bool (*gid_to_sid)(struct pdb_methods *methods, gid_t gid, 407 DOM_SID *sid); 408 bool (*sid_to_id)(struct pdb_methods *methods, const DOM_SID *sid, 409 union unid_t *id, enum lsa_SidType *type); 410 411 uint32_t (*capabilities)(struct pdb_methods *methods); 412 bool (*new_rid)(struct pdb_methods *methods, uint32 *rid); 413 414 415 bool (*get_trusteddom_pw)(struct pdb_methods *methods, 416 const char *domain, char** pwd, 417 DOM_SID *sid, time_t *pass_last_set_time); 418 bool (*set_trusteddom_pw)(struct pdb_methods *methods, 419 const char* domain, const char* pwd, 420 const DOM_SID *sid); 421 bool (*del_trusteddom_pw)(struct pdb_methods *methods, 422 const char *domain); 423 NTSTATUS (*enum_trusteddoms)(struct pdb_methods *methods, 424 TALLOC_CTX *mem_ctx, uint32 *num_domains, 425 struct trustdom_info ***domains); 426 427 void *private_data; /* Private data of some kind */ 428 429 void (*free_private_data)(void **); 430}; 431 432typedef NTSTATUS (*pdb_init_function)(struct pdb_methods **, const char *); 433 434struct pdb_init_function_entry { 435 const char *name; 436 437 /* Function to create a member of the pdb_methods list */ 438 pdb_init_function init; 439 440 struct pdb_init_function_entry *prev, *next; 441}; 442 443#endif /* _PASSDB_H */ 444