source3/include/passdb.h

   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 2 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  22 */
  23
  24 #ifndef _PASSDB_H
  25 #define _PASSDB_H
  26
  27
  28 /*
  29  * fields_present flags meanings
  30  * same names as found in samba4 idl files
  31  */
  32
  33 #define ACCT_USERNAME           0x00000001
  34 #define ACCT_FULL_NAME          0x00000002
  35 #define ACCT_RID                0x00000004
  36 #define ACCT_PRIMARY_GID        0x00000008
  37 #define ACCT_ADMIN_DESC         0x00000010
  38 #define ACCT_DESCRIPTION        0x00000020
  39 #define ACCT_HOME_DIR           0x00000040
  40 #define ACCT_HOME_DRIVE         0x00000080
  41 #define ACCT_LOGON_SCRIPT       0x00000100
  42 #define ACCT_PROFILE            0x00000200
  43 #define ACCT_WORKSTATIONS       0x00000400
  44 #define ACCT_LAST_LOGON         0x00000800
  45 #define ACCT_LAST_LOGOFF        0x00001000
  46 #define ACCT_LOGON_HOURS        0x00002000
  47 #define ACCT_BAD_PWD_COUNT      0x00004000
  48 #define ACCT_NUM_LOGONS         0x00008000
  49 #define ACCT_ALLOW_PWD_CHANGE   0x00010000
  50 #define ACCT_FORCE_PWD_CHANGE   0x00020000
  51 #define ACCT_LAST_PWD_CHANGE    0x00040000
  52 #define ACCT_EXPIRY             0x00080000
  53 #define ACCT_FLAGS              0x00100000
  54 #define ACCT_CALLBACK           0x00200000
  55 #define ACCT_COUNTRY_CODE       0x00400000
  56 #define ACCT_CODE_PAGE          0x00800000
  57 #define ACCT_NT_PWD_SET         0x01000000
  58 #define ACCT_LM_PWD_SET         0x02000000
  59 #define ACCT_PRIVATEDATA        0x04000000
  60 #define ACCT_EXPIRED_FLAG       0x08000000
  61 #define ACCT_SEC_DESC           0x10000000
  62 #define ACCT_OWF_PWD            0x20000000
  63
  64 /*
  65  * bit flags representing initialized fields in SAM_ACCOUNT
  66  */
  67 enum pdb_elements {
  68         PDB_UNINIT,
  69         PDB_SMBHOME,
  70         PDB_PROFILE,
  71         PDB_DRIVE,
  72         PDB_LOGONSCRIPT,
  73         PDB_LOGONTIME,
  74         PDB_LOGOFFTIME,
  75         PDB_KICKOFFTIME,
  76         PDB_BAD_PASSWORD_TIME,
  77         PDB_CANCHANGETIME,
  78         PDB_MUSTCHANGETIME,
  79         PDB_PLAINTEXT_PW,
  80         PDB_USERNAME,
  81         PDB_FULLNAME,
  82         PDB_DOMAIN,
  83         PDB_NTUSERNAME,
  84         PDB_HOURSLEN,
  85         PDB_LOGONDIVS,
  86         PDB_USERSID,
  87         PDB_GROUPSID,
  88         PDB_ACCTCTRL,
  89         PDB_PASSLASTSET,
  90         PDB_UNIXHOMEDIR,
  91         PDB_ACCTDESC,
  92         PDB_WORKSTATIONS,
  93         PDB_UNKNOWNSTR,
  94         PDB_MUNGEDDIAL,
  95         PDB_HOURS,
  96         PDB_FIELDS_PRESENT,
  97         PDB_BAD_PASSWORD_COUNT,
  98         PDB_LOGON_COUNT,
  99         PDB_UNKNOWN6,
 100         PDB_LMPASSWD,
 101         PDB_NTPASSWD,
 102         PDB_PWHISTORY,
 103         PDB_BACKEND_PRIVATE_DATA,
 104
 105         /* this must be the last element */
 106         PDB_COUNT
 107 };
 108
 109 enum pdb_group_elements {
 110         PDB_GROUP_NAME,
 111         PDB_GROUP_SID,
 112         PDB_GROUP_SID_NAME_USE,
 113         PDB_GROUP_MEMBERS,
 114
 115         /* this must be the last element */
 116         PDB_GROUP_COUNT
 117 };
 118
 119
 120 enum pdb_value_state {
 121         PDB_DEFAULT=0,
 122         PDB_SET,
 123         PDB_CHANGED
 124 };
 125
 126 #define IS_SAM_SET(x, flag)     (pdb_get_init_flags(x, flag) == PDB_SET)
 127 #define IS_SAM_CHANGED(x, flag) (pdb_get_init_flags(x, flag) == PDB_CHANGED)
 128 #define IS_SAM_DEFAULT(x, flag) (pdb_get_init_flags(x, flag) == PDB_DEFAULT)
 129
 130 /* cache for bad password lockout data, to be used on replicated SAMs */
 131 typedef struct logon_cache_struct {
 132         time_t entry_timestamp;
 133         uint16 acct_ctrl;
 134         uint16 bad_password_count;
 135         time_t bad_password_time;
 136 } LOGIN_CACHE;
 137
 138 typedef struct sam_passwd {
 139         TALLOC_CTX *mem_ctx;
 140
 141         void (*free_fn)(struct sam_passwd **);
 142
 143         struct pdb_methods *methods;
 144
 145         struct user_data {
 146                 /* initialization flags */
 147                 struct bitmap *change_flags;
 148                 struct bitmap *set_flags;
 149
 150                 time_t logon_time;            /* logon time */
 151                 time_t logoff_time;           /* logoff time */
 152                 time_t kickoff_time;          /* kickoff time */
 153                 time_t bad_password_time;     /* last bad password entered */
 154                 time_t pass_last_set_time;    /* password last set time */
 155                 time_t pass_can_change_time;  /* password can change time */
 156                 time_t pass_must_change_time; /* password must change time */
 157
 158                 const char * username;     /* UNIX username string */
 159                 const char * domain;       /* Windows Domain name */
 160                 const char * nt_username;  /* Windows username string */
 161                 const char * full_name;    /* user's full name string */
 162                 const char * unix_home_dir;     /* UNIX home directory string */
 163                 const char * home_dir;     /* home directory string */
 164                 const char * dir_drive;    /* home directory drive string */
 165                 const char * logon_script; /* logon script string */
 166                 const char * profile_path; /* profile path string */
 167                 const char * acct_desc;    /* user description string */
 168                 const char * workstations; /* login from workstations string */
 169                 const char * unknown_str;  /* don't know what this is, yet. */
 170                 const char * munged_dial;  /* munged path name and dial-back tel number */
 171
 172                 DOM_SID user_sid;    /* Primary User SID */
 173                 DOM_SID group_sid;   /* Primary Group SID */
 174
 175                 DATA_BLOB lm_pw; /* .data is Null if no password */
 176                 DATA_BLOB nt_pw; /* .data is Null if no password */
 177                 DATA_BLOB nt_pw_his; /* nt hashed password history .data is Null if not available */
 178                 char* plaintext_pw; /* is Null if not available */
 179
 180                 uint16 acct_ctrl; /* account info (ACB_xxxx bit-mask) */
 181                 uint32 fields_present; /* 0x00ff ffff */
 182
 183                 uint16 logon_divs; /* 168 - number of hours in a week */
 184                 uint32 hours_len; /* normally 21 bytes */
 185                 uint8 hours[MAX_HOURS_LEN];
 186
 187                 /* Was unknown_5. */
 188                 uint16 bad_password_count;
 189                 uint16 logon_count;
 190
 191                 uint32 unknown_6; /* 0x0000 04ec */
 192                 /* a tag for who added the private methods */
 193                 const struct pdb_methods *backend_private_methods;
 194                 void *backend_private_data;
 195                 void (*backend_private_data_free_fn)(void **);
 196         } private_u;
 197
 198         /* Lets see if the remaining code can get the hint that you
 199            are meant to use the pdb_...() functions. */
 200
 201 } SAM_ACCOUNT;
 202
 203 struct acct_info {
 204         fstring acct_name; /* account name */
 205         fstring acct_desc; /* account name */
 206         uint32 rid; /* domain-relative RID */
 207 };
 208
 209 struct samr_displayentry {
 210         uint32 idx;
 211         uint32 rid;
 212         uint16 acct_flags;
 213         const char *account_name;
 214         const char *fullname;
 215         const char *description;
 216 };
 217
 218 enum pdb_search_type {
 219         PDB_USER_SEARCH,
 220         PDB_GROUP_SEARCH,
 221         PDB_ALIAS_SEARCH
 222 };
 223
 224 struct pdb_search {
 225         TALLOC_CTX *mem_ctx;
 226         enum pdb_search_type type;
 227         struct samr_displayentry *cache;
 228         uint32 num_entries;
 229         ssize_t cache_size;
 230         BOOL search_ended;
 231         void *private_data;
 232         BOOL (*next_entry)(struct pdb_search *search,
 233                            struct samr_displayentry *entry);
 234         void (*search_end)(struct pdb_search *search);
 235 };
 236
 237 /*****************************************************************
 238  Functions to be implemented by the new (v2) passdb API
 239 ****************************************************************/
 240
 241 /*
 242  * This next constant specifies the version number of the PASSDB interface
 243  * this SAMBA will load. Increment this if *ANY* changes are made to the interface.
 244  * Changed interface to fix int -> size_t problems. JRA.
 245  * There's no point in allocating arrays in
 246  * samr_lookup_rids twice. It was done in the srv_samr_nt.c code as well as in
 247  * the pdb module. Remove the latter, this might happen more often. VL.
 248  */
 249
 250 #define PASSDB_INTERFACE_VERSION 12
 251
 252 typedef struct pdb_context
 253 {
 254         struct pdb_methods *pdb_methods;
 255         struct pdb_methods *pwent_methods;
 256
 257         /* These functions are wrappers for the functions listed above.
 258            They may do extra things like re-reading a SAM_ACCOUNT on update */
 259
 260         NTSTATUS (*pdb_setsampwent)(struct pdb_context *, BOOL update, uint16 acb_mask);
 261
 262         void (*pdb_endsampwent)(struct pdb_context *);
 263
 264         NTSTATUS (*pdb_getsampwent)(struct pdb_context *, SAM_ACCOUNT *user);
 265
 266         NTSTATUS (*pdb_getsampwnam)(struct pdb_context *, SAM_ACCOUNT *sam_acct, const char *username);
 267
 268         NTSTATUS (*pdb_getsampwsid)(struct pdb_context *, SAM_ACCOUNT *sam_acct, const DOM_SID *sid);
 269
 270         NTSTATUS (*pdb_add_sam_account)(struct pdb_context *, SAM_ACCOUNT *sampass);
 271
 272         NTSTATUS (*pdb_update_sam_account)(struct pdb_context *, SAM_ACCOUNT *sampass);
 273
 274         NTSTATUS (*pdb_delete_sam_account)(struct pdb_context *, SAM_ACCOUNT *username);
 275
 276         NTSTATUS (*pdb_rename_sam_account)(struct pdb_context *, SAM_ACCOUNT *oldname, const char *newname);
 277
 278         NTSTATUS (*pdb_update_login_attempts)(struct pdb_context *context, SAM_ACCOUNT *sam_acct, BOOL success);
 279
 280         NTSTATUS (*pdb_getgrsid)(struct pdb_context *context, GROUP_MAP *map, DOM_SID sid);
 281
 282         NTSTATUS (*pdb_getgrgid)(struct pdb_context *context, GROUP_MAP *map, gid_t gid);
 283
 284         NTSTATUS (*pdb_getgrnam)(struct pdb_context *context, GROUP_MAP *map, const char *name);
 285
 286         NTSTATUS (*pdb_add_group_mapping_entry)(struct pdb_context *context,
 287                                                 GROUP_MAP *map);
 288
 289         NTSTATUS (*pdb_update_group_mapping_entry)(struct pdb_context *context,
 290                                                    GROUP_MAP *map);
 291
 292         NTSTATUS (*pdb_delete_group_mapping_entry)(struct pdb_context *context,
 293                                                    DOM_SID sid);
 294
 295         NTSTATUS (*pdb_enum_group_mapping)(struct pdb_context *context,
 296                                            enum SID_NAME_USE sid_name_use,
 297                                            GROUP_MAP **pp_rmap, size_t *p_num_entries,
 298                                            BOOL unix_only);
 299
 300         NTSTATUS (*pdb_enum_group_members)(struct pdb_context *context,
 301                                            TALLOC_CTX *mem_ctx,
 302                                            const DOM_SID *group,
 303                                            uint32 **pp_member_rids,
 304                                            size_t *p_num_members);
 305
 306         NTSTATUS (*pdb_enum_group_memberships)(struct pdb_context *context,
 307                                                const char *username,
 308                                                gid_t primary_gid,
 309                                                DOM_SID **pp_sids, gid_t **pp_gids,
 310                                                size_t *p_num_groups);
 311
 312         NTSTATUS (*pdb_find_alias)(struct pdb_context *context,
 313                                    const char *name, DOM_SID *sid);
 314
 315         NTSTATUS (*pdb_create_alias)(struct pdb_context *context,
 316                                      const char *name, uint32 *rid);
 317
 318         NTSTATUS (*pdb_delete_alias)(struct pdb_context *context,
 319                                      const DOM_SID *sid);
 320
 321         NTSTATUS (*pdb_get_aliasinfo)(struct pdb_context *context,
 322                                       const DOM_SID *sid,
 323                                       struct acct_info *info);
 324
 325         NTSTATUS (*pdb_set_aliasinfo)(struct pdb_context *context,
 326                                       const DOM_SID *sid,
 327                                       struct acct_info *info);
 328
 329         NTSTATUS (*pdb_add_aliasmem)(struct pdb_context *context,
 330                                      const DOM_SID *alias,
 331                                      const DOM_SID *member);
 332
 333         NTSTATUS (*pdb_del_aliasmem)(struct pdb_context *context,
 334                                      const DOM_SID *alias,
 335                                      const DOM_SID *member);
 336
 337         NTSTATUS (*pdb_enum_aliasmem)(struct pdb_context *context,
 338                                       const DOM_SID *alias,
 339                                       DOM_SID **pp_members, size_t *p_num_members);
 340
 341         NTSTATUS (*pdb_enum_alias_memberships)(struct pdb_context *context,
 342                                                TALLOC_CTX *mem_ctx,
 343                                                const DOM_SID *domain_sid,
 344                                                const DOM_SID *members,
 345                                                size_t num_members,
 346                                                uint32 **pp_alias_rids,
 347                                                size_t *p_num_alias_rids);
 348
 349         NTSTATUS (*pdb_lookup_rids)(struct pdb_context *context,
 350                                     const DOM_SID *domain_sid,
 351                                     size_t num_rids,
 352                                     uint32 *rids,
 353                                     const char **pp_names,
 354                                     uint32 *attrs);
 355
 356         NTSTATUS (*pdb_lookup_names)(struct pdb_context *context,
 357                                      const DOM_SID *domain_sid,
 358                                      size_t num_names,
 359                                      const char **names,
 360                                      uint32 *rids,
 361                                      uint32 *attrs);
 362
 363         NTSTATUS (*pdb_get_account_policy)(struct pdb_context *context,
 364                                            int policy_index, uint32 *value);
 365
 366         NTSTATUS (*pdb_set_account_policy)(struct pdb_context *context,
 367                                            int policy_index, uint32 value);
 368
 369         NTSTATUS (*pdb_get_seq_num)(struct pdb_context *context, time_t *seq_num);
 370
 371         BOOL (*pdb_search_users)(struct pdb_context *context,
 372                                  struct pdb_search *search,
 373                                  uint16 acct_flags);
 374         BOOL (*pdb_search_groups)(struct pdb_context *context,
 375                                   struct pdb_search *search);
 376         BOOL (*pdb_search_aliases)(struct pdb_context *context,
 377                                    struct pdb_search *search,
 378                                    const DOM_SID *sid);
 379
 380         void (*free_fn)(struct pdb_context **);
 381
 382         TALLOC_CTX *mem_ctx;
 383
 384 } PDB_CONTEXT;
 385
 386 typedef struct pdb_methods
 387 {
 388         const char *name; /* What name got this module */
 389         struct pdb_context *parent;
 390
 391         /* Use macros from dlinklist.h on these two */
 392         struct pdb_methods *next;
 393         struct pdb_methods *prev;
 394
 395         NTSTATUS (*setsampwent)(struct pdb_methods *, BOOL update, uint16 acb_mask);
 396
 397         void (*endsampwent)(struct pdb_methods *);
 398
 399         NTSTATUS (*getsampwent)(struct pdb_methods *, SAM_ACCOUNT *user);
 400
 401         NTSTATUS (*getsampwnam)(struct pdb_methods *, SAM_ACCOUNT *sam_acct, const char *username);
 402
 403         NTSTATUS (*getsampwsid)(struct pdb_methods *, SAM_ACCOUNT *sam_acct, const DOM_SID *sid);
 404
 405         NTSTATUS (*add_sam_account)(struct pdb_methods *, SAM_ACCOUNT *sampass);
 406
 407         NTSTATUS (*update_sam_account)(struct pdb_methods *, SAM_ACCOUNT *sampass);
 408
 409         NTSTATUS (*delete_sam_account)(struct pdb_methods *, SAM_ACCOUNT *username);
 410
 411         NTSTATUS (*rename_sam_account)(struct pdb_methods *, SAM_ACCOUNT *oldname, const char *newname);
 412
 413         NTSTATUS (*update_login_attempts)(struct pdb_methods *methods, SAM_ACCOUNT *sam_acct, BOOL success);
 414
 415         NTSTATUS (*getgrsid)(struct pdb_methods *methods, GROUP_MAP *map, DOM_SID sid);
 416
 417         NTSTATUS (*getgrgid)(struct pdb_methods *methods, GROUP_MAP *map, gid_t gid);
 418
 419         NTSTATUS (*getgrnam)(struct pdb_methods *methods, GROUP_MAP *map, const char *name);
 420
 421         NTSTATUS (*add_group_mapping_entry)(struct pdb_methods *methods,
 422                                             GROUP_MAP *map);
 423
 424         NTSTATUS (*update_group_mapping_entry)(struct pdb_methods *methods,
 425                                                GROUP_MAP *map);
 426
 427         NTSTATUS (*delete_group_mapping_entry)(struct pdb_methods *methods,
 428                                                DOM_SID sid);
 429
 430         NTSTATUS (*enum_group_mapping)(struct pdb_methods *methods,
 431                                        enum SID_NAME_USE sid_name_use,
 432                                        GROUP_MAP **pp_rmap, size_t *p_num_entries,
 433                                        BOOL unix_only);
 434
 435         NTSTATUS (*enum_group_members)(struct pdb_methods *methods,
 436                                        TALLOC_CTX *mem_ctx,
 437                                        const DOM_SID *group,
 438                                        uint32 **pp_member_rids,
 439                                        size_t *p_num_members);
 440
 441         NTSTATUS (*enum_group_memberships)(struct pdb_methods *methods,
 442                                            const char *username,
 443                                            gid_t primary_gid,
 444                                            DOM_SID **pp_sids, gid_t **pp_gids,
 445                                            size_t *p_num_groups);
 446
 447         NTSTATUS (*find_alias)(struct pdb_methods *methods,
 448                                const char *name, DOM_SID *sid);
 449
 450         NTSTATUS (*create_alias)(struct pdb_methods *methods,
 451                                  const char *name, uint32 *rid);
 452
 453         NTSTATUS (*delete_alias)(struct pdb_methods *methods,
 454                                  const DOM_SID *sid);
 455
 456         NTSTATUS (*get_aliasinfo)(struct pdb_methods *methods,
 457                                   const DOM_SID *sid,
 458                                   struct acct_info *info);
 459
 460         NTSTATUS (*set_aliasinfo)(struct pdb_methods *methods,
 461                                   const DOM_SID *sid,
 462                                   struct acct_info *info);
 463
 464         NTSTATUS (*add_aliasmem)(struct pdb_methods *methods,
 465                                  const DOM_SID *alias, const DOM_SID *member);
 466         NTSTATUS (*del_aliasmem)(struct pdb_methods *methods,
 467                                  const DOM_SID *alias, const DOM_SID *member);
 468         NTSTATUS (*enum_aliasmem)(struct pdb_methods *methods,
 469                                   const DOM_SID *alias, DOM_SID **members,
 470                                   size_t *p_num_members);
 471         NTSTATUS (*enum_alias_memberships)(struct pdb_methods *methods,
 472                                            TALLOC_CTX *mem_ctx,
 473                                            const DOM_SID *domain_sid,
 474                                            const DOM_SID *members,
 475                                            size_t num_members,
 476                                            uint32 **pp_alias_rids,
 477                                            size_t *p_num_alias_rids);
 478
 479         NTSTATUS (*lookup_rids)(struct pdb_methods *methods,
 480                                 const DOM_SID *domain_sid,
 481                                 int num_rids,
 482                                 uint32 *rids,
 483                                 const char **pp_names,
 484                                 uint32 *attrs);
 485
 486         NTSTATUS (*lookup_names)(struct pdb_methods *methods,
 487                                  const DOM_SID *domain_sid,
 488                                  int num_names,
 489                                  const char **pp_names,
 490                                  uint32 *rids,
 491                                  uint32 *attrs);
 492
 493         NTSTATUS (*get_account_policy)(struct pdb_methods *methods,
 494                                        int policy_index, uint32 *value);
 495
 496         NTSTATUS (*set_account_policy)(struct pdb_methods *methods,
 497                                        int policy_index, uint32 value);
 498
 499         NTSTATUS (*get_seq_num)(struct pdb_methods *methods, time_t *seq_num);
 500
 501         BOOL (*search_users)(struct pdb_methods *methods,
 502                              struct pdb_search *search,
 503                              uint16 acct_flags);
 504         BOOL (*search_groups)(struct pdb_methods *methods,
 505                               struct pdb_search *search);
 506         BOOL (*search_aliases)(struct pdb_methods *methods,
 507                                struct pdb_search *search,
 508                                const DOM_SID *sid);
 509
 510         void *private_data;  /* Private data of some kind */
 511
 512         void (*free_private_data)(void **);
 513
 514 } PDB_METHODS;
 515
 516 typedef NTSTATUS (*pdb_init_function)(struct pdb_context *,
 517                          struct pdb_methods **,
 518                          const char *);
 519
 520 struct pdb_init_function_entry {
 521         const char *name;
 522         /* Function to create a member of the pdb_methods list */
 523         pdb_init_function init;
 524         struct pdb_init_function_entry *prev, *next;
 525 };
 526
 527 enum sql_search_field { SQL_SEARCH_NONE = 0, SQL_SEARCH_USER_SID = 1, SQL_SEARCH_USER_NAME = 2};
 528
 529 #endif /* _PASSDB_H */