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 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 /*
  28  * in samba4 idl
  29  * ACCT_NT_PWD_SET == SAMR_FIELD_PASSWORD and
  30  * ACCT_LM_PWD_SET == SAMR_FIELD_PASSWORD2
  31  */
  32
  33 #define ACCT_NT_PWD_SET         0x01000000
  34 #define ACCT_LM_PWD_SET         0x02000000
  35
  36 /*
  37  * bit flags representing initialized fields in struct samu
  38  */
  39 enum pdb_elements {
  40         PDB_UNINIT,
  41         PDB_SMBHOME,
  42         PDB_PROFILE,
  43         PDB_DRIVE,
  44         PDB_LOGONSCRIPT,
  45         PDB_LOGONTIME,
  46         PDB_LOGOFFTIME,
  47         PDB_KICKOFFTIME,
  48         PDB_BAD_PASSWORD_TIME,
  49         PDB_CANCHANGETIME,
  50         PDB_MUSTCHANGETIME,
  51         PDB_PLAINTEXT_PW,
  52         PDB_USERNAME,
  53         PDB_FULLNAME,
  54         PDB_DOMAIN,
  55         PDB_NTUSERNAME,
  56         PDB_HOURSLEN,
  57         PDB_LOGONDIVS,
  58         PDB_USERSID,
  59         PDB_GROUPSID,
  60         PDB_ACCTCTRL,
  61         PDB_PASSLASTSET,
  62         PDB_ACCTDESC,
  63         PDB_WORKSTATIONS,
  64         PDB_COMMENT,
  65         PDB_MUNGEDDIAL,
  66         PDB_HOURS,
  67         PDB_FIELDS_PRESENT,
  68         PDB_BAD_PASSWORD_COUNT,
  69         PDB_LOGON_COUNT,
  70         PDB_UNKNOWN6,
  71         PDB_LMPASSWD,
  72         PDB_NTPASSWD,
  73         PDB_PWHISTORY,
  74         PDB_BACKEND_PRIVATE_DATA,
  75
  76         /* this must be the last element */
  77         PDB_COUNT
  78 };
  79
  80 enum pdb_group_elements {
  81         PDB_GROUP_NAME,
  82         PDB_GROUP_SID,
  83         PDB_GROUP_SID_NAME_USE,
  84         PDB_GROUP_MEMBERS,
  85
  86         /* this must be the last element */
  87         PDB_GROUP_COUNT
  88 };
  89
  90
  91 enum pdb_value_state {
  92         PDB_DEFAULT=0,
  93         PDB_SET,
  94         PDB_CHANGED
  95 };
  96
  97 #define IS_SAM_SET(x, flag)     (pdb_get_init_flags(x, flag) == PDB_SET)
  98 #define IS_SAM_CHANGED(x, flag) (pdb_get_init_flags(x, flag) == PDB_CHANGED)
  99 #define IS_SAM_DEFAULT(x, flag) (pdb_get_init_flags(x, flag) == PDB_DEFAULT)
 100
 101 /* cache for bad password lockout data, to be used on replicated SAMs */
 102 typedef struct logon_cache_struct {
 103         time_t entry_timestamp;
 104         uint32 acct_ctrl;
 105         uint16 bad_password_count;
 106         time_t bad_password_time;
 107 } LOGIN_CACHE;
 108
 109 struct samu {
 110         struct pdb_methods *methods;
 111
 112         /* initialization flags */
 113         struct bitmap *change_flags;
 114         struct bitmap *set_flags;
 115
 116         time_t logon_time;            /* logon time */
 117         time_t logoff_time;           /* logoff time */
 118         time_t kickoff_time;          /* kickoff time */
 119         time_t bad_password_time;     /* last bad password entered */
 120         time_t pass_last_set_time;    /* password last set time */
 121         time_t pass_can_change_time;  /* password can change time */
 122         time_t pass_must_change_time; /* password must change time */
 123
 124         const char *username;     /* UNIX username string */
 125         const char *domain;       /* Windows Domain name */
 126         const char *nt_username;  /* Windows username string */
 127         const char *full_name;    /* user's full name string */
 128         const char *home_dir;     /* home directory string */
 129         const char *dir_drive;    /* home directory drive string */
 130         const char *logon_script; /* logon script string */
 131         const char *profile_path; /* profile path string */
 132         const char *acct_desc;    /* user description string */
 133         const char *workstations; /* login from workstations string */
 134         const char *comment;
 135         const char *munged_dial;  /* munged path name and dial-back tel number */
 136
 137         DOM_SID user_sid;
 138         DOM_SID *group_sid;
 139
 140         DATA_BLOB lm_pw; /* .data is Null if no password */
 141         DATA_BLOB nt_pw; /* .data is Null if no password */
 142         DATA_BLOB nt_pw_his; /* nt hashed password history .data is Null if not available */
 143         char* plaintext_pw; /* is Null if not available */
 144
 145         uint32 acct_ctrl; /* account info (ACB_xxxx bit-mask) */
 146         uint32 fields_present; /* 0x00ff ffff */
 147
 148         uint16 logon_divs; /* 168 - number of hours in a week */
 149         uint32 hours_len; /* normally 21 bytes */
 150         uint8 hours[MAX_HOURS_LEN];
 151
 152         /* Was unknown_5. */
 153         uint16 bad_password_count;
 154         uint16 logon_count;
 155
 156         uint32 unknown_6; /* 0x0000 04ec */
 157
 158         /* a tag for who added the private methods */
 159
 160         const struct pdb_methods *backend_private_methods;
 161         void *backend_private_data;
 162         void (*backend_private_data_free_fn)(void **);
 163
 164         /* maintain a copy of the user's struct passwd */
 165
 166         struct passwd *unix_pw;
 167 };
 168
 169 struct acct_info {
 170         fstring acct_name; /* account name */
 171         fstring acct_desc; /* account name */
 172         uint32 rid; /* domain-relative RID */
 173 };
 174
 175 struct samr_displayentry {
 176         uint32 idx;
 177         uint32 rid;
 178         uint32 acct_flags;
 179         const char *account_name;
 180         const char *fullname;
 181         const char *description;
 182 };
 183
 184 enum pdb_search_type {
 185         PDB_USER_SEARCH,
 186         PDB_GROUP_SEARCH,
 187         PDB_ALIAS_SEARCH
 188 };
 189
 190 struct pdb_search {
 191         TALLOC_CTX *mem_ctx;
 192         enum pdb_search_type type;
 193         struct samr_displayentry *cache;
 194         uint32 num_entries;
 195         ssize_t cache_size;
 196         bool search_ended;
 197         void *private_data;
 198         bool (*next_entry)(struct pdb_search *search,
 199                            struct samr_displayentry *entry);
 200         void (*search_end)(struct pdb_search *search);
 201 };
 202
 203 /*****************************************************************
 204  Functions to be implemented by the new (v2) passdb API
 205 ****************************************************************/
 206
 207 /*
 208  * This next constant specifies the version number of the PASSDB interface
 209  * this SAMBA will load. Increment this if *ANY* changes are made to the interface.
 210  * Changed interface to fix int -> size_t problems. JRA.
 211  * There's no point in allocating arrays in
 212  * samr_lookup_rids twice. It was done in the srv_samr_nt.c code as well as in
 213  * the pdb module. Remove the latter, this might happen more often. VL.
 214  * changed to version 14 to move lookup_rids and lookup_names to return
 215  * enum lsa_SidType rather than uint32.
 216  * Changed to 16 for access to the trusted domain passwords (obnox).
 217  * Changed to 17, the sampwent interface is gone.
 218  */
 219
 220 #define PASSDB_INTERFACE_VERSION 17
 221
 222 struct pdb_methods
 223 {
 224         const char *name; /* What name got this module */
 225
 226         NTSTATUS (*getsampwnam)(struct pdb_methods *, struct samu *sam_acct, const char *username);
 227
 228         NTSTATUS (*getsampwsid)(struct pdb_methods *, struct samu *sam_acct, const DOM_SID *sid);
 229
 230         NTSTATUS (*create_user)(struct pdb_methods *, TALLOC_CTX *tmp_ctx,
 231                                 const char *name, uint32 acct_flags,
 232                                 uint32 *rid);
 233
 234         NTSTATUS (*delete_user)(struct pdb_methods *, TALLOC_CTX *tmp_ctx,
 235                                 struct samu *sam_acct);
 236
 237         NTSTATUS (*add_sam_account)(struct pdb_methods *, struct samu *sampass);
 238
 239         NTSTATUS (*update_sam_account)(struct pdb_methods *, struct samu *sampass);
 240
 241         NTSTATUS (*delete_sam_account)(struct pdb_methods *, struct samu *username);
 242
 243         NTSTATUS (*rename_sam_account)(struct pdb_methods *, struct samu *oldname, const char *newname);
 244
 245         NTSTATUS (*update_login_attempts)(struct pdb_methods *methods, struct samu *sam_acct, bool success);
 246
 247         NTSTATUS (*getgrsid)(struct pdb_methods *methods, GROUP_MAP *map, DOM_SID sid);
 248
 249         NTSTATUS (*getgrgid)(struct pdb_methods *methods, GROUP_MAP *map, gid_t gid);
 250
 251         NTSTATUS (*getgrnam)(struct pdb_methods *methods, GROUP_MAP *map, const char *name);
 252
 253         NTSTATUS (*create_dom_group)(struct pdb_methods *methods,
 254                                      TALLOC_CTX *mem_ctx, const char *name,
 255                                      uint32 *rid);
 256
 257         NTSTATUS (*delete_dom_group)(struct pdb_methods *methods,
 258                                      TALLOC_CTX *mem_ctx, uint32 rid);
 259
 260         NTSTATUS (*add_group_mapping_entry)(struct pdb_methods *methods,
 261                                             GROUP_MAP *map);
 262
 263         NTSTATUS (*update_group_mapping_entry)(struct pdb_methods *methods,
 264                                                GROUP_MAP *map);
 265
 266         NTSTATUS (*delete_group_mapping_entry)(struct pdb_methods *methods,
 267                                                DOM_SID sid);
 268
 269         NTSTATUS (*enum_group_mapping)(struct pdb_methods *methods,
 270                                        const DOM_SID *sid, enum lsa_SidType sid_name_use,
 271                                        GROUP_MAP **pp_rmap, size_t *p_num_entries,
 272                                        bool unix_only);
 273
 274         NTSTATUS (*enum_group_members)(struct pdb_methods *methods,
 275                                        TALLOC_CTX *mem_ctx,
 276                                        const DOM_SID *group,
 277                                        uint32 **pp_member_rids,
 278                                        size_t *p_num_members);
 279
 280         NTSTATUS (*enum_group_memberships)(struct pdb_methods *methods,
 281                                            TALLOC_CTX *mem_ctx,
 282                                            struct samu *user,
 283                                            DOM_SID **pp_sids, gid_t **pp_gids,
 284                                            size_t *p_num_groups);
 285
 286         NTSTATUS (*set_unix_primary_group)(struct pdb_methods *methods,
 287                                            TALLOC_CTX *mem_ctx,
 288                                            struct samu *user);
 289
 290         NTSTATUS (*add_groupmem)(struct pdb_methods *methods,
 291                                  TALLOC_CTX *mem_ctx,
 292                                  uint32 group_rid, uint32 member_rid);
 293
 294         NTSTATUS (*del_groupmem)(struct pdb_methods *methods,
 295                                  TALLOC_CTX *mem_ctx,
 296                                  uint32 group_rid, uint32 member_rid);
 297
 298         NTSTATUS (*create_alias)(struct pdb_methods *methods,
 299                                  const char *name, uint32 *rid);
 300
 301         NTSTATUS (*delete_alias)(struct pdb_methods *methods,
 302                                  const DOM_SID *sid);
 303
 304         NTSTATUS (*get_aliasinfo)(struct pdb_methods *methods,
 305                                   const DOM_SID *sid,
 306                                   struct acct_info *info);
 307
 308         NTSTATUS (*set_aliasinfo)(struct pdb_methods *methods,
 309                                   const DOM_SID *sid,
 310                                   struct acct_info *info);
 311
 312         NTSTATUS (*add_aliasmem)(struct pdb_methods *methods,
 313                                  const DOM_SID *alias, const DOM_SID *member);
 314         NTSTATUS (*del_aliasmem)(struct pdb_methods *methods,
 315                                  const DOM_SID *alias, const DOM_SID *member);
 316         NTSTATUS (*enum_aliasmem)(struct pdb_methods *methods,
 317                                   const DOM_SID *alias, DOM_SID **members,
 318                                   size_t *p_num_members);
 319         NTSTATUS (*enum_alias_memberships)(struct pdb_methods *methods,
 320                                            TALLOC_CTX *mem_ctx,
 321                                            const DOM_SID *domain_sid,
 322                                            const DOM_SID *members,
 323                                            size_t num_members,
 324                                            uint32 **pp_alias_rids,
 325                                            size_t *p_num_alias_rids);
 326
 327         NTSTATUS (*lookup_rids)(struct pdb_methods *methods,
 328                                 const DOM_SID *domain_sid,
 329                                 int num_rids,
 330                                 uint32 *rids,
 331                                 const char **pp_names,
 332                                 enum lsa_SidType *attrs);
 333
 334         NTSTATUS (*lookup_names)(struct pdb_methods *methods,
 335                                  const DOM_SID *domain_sid,
 336                                  int num_names,
 337                                  const char **pp_names,
 338                                  uint32 *rids,
 339                                  enum lsa_SidType *attrs);
 340
 341         NTSTATUS (*get_account_policy)(struct pdb_methods *methods,
 342                                        int policy_index, uint32 *value);
 343
 344         NTSTATUS (*set_account_policy)(struct pdb_methods *methods,
 345                                        int policy_index, uint32 value);
 346
 347         NTSTATUS (*get_seq_num)(struct pdb_methods *methods, time_t *seq_num);
 348
 349         bool (*search_users)(struct pdb_methods *methods,
 350                              struct pdb_search *search,
 351                              uint32 acct_flags);
 352         bool (*search_groups)(struct pdb_methods *methods,
 353                               struct pdb_search *search);
 354         bool (*search_aliases)(struct pdb_methods *methods,
 355                                struct pdb_search *search,
 356                                const DOM_SID *sid);
 357
 358         bool (*uid_to_rid)(struct pdb_methods *methods, uid_t uid,
 359                            uint32 *rid);
 360         bool (*uid_to_sid)(struct pdb_methods *methods, uid_t uid,
 361                            DOM_SID *sid);
 362         bool (*gid_to_sid)(struct pdb_methods *methods, gid_t gid,
 363                            DOM_SID *sid);
 364         bool (*sid_to_id)(struct pdb_methods *methods, const DOM_SID *sid,
 365                           union unid_t *id, enum lsa_SidType *type);
 366
 367         bool (*rid_algorithm)(struct pdb_methods *methods);
 368         bool (*new_rid)(struct pdb_methods *methods, uint32 *rid);
 369
 370
 371         bool (*get_trusteddom_pw)(struct pdb_methods *methods,
 372                                   const char *domain, char** pwd,
 373                                   DOM_SID *sid, time_t *pass_last_set_time);
 374         bool (*set_trusteddom_pw)(struct pdb_methods *methods,
 375                                   const char* domain, const char* pwd,
 376                                   const DOM_SID *sid);
 377         bool (*del_trusteddom_pw)(struct pdb_methods *methods,
 378                                   const char *domain);
 379         NTSTATUS (*enum_trusteddoms)(struct pdb_methods *methods,
 380                                      TALLOC_CTX *mem_ctx, uint32 *num_domains,
 381                                      struct trustdom_info ***domains);
 382
 383         void *private_data;  /* Private data of some kind */
 384
 385         void (*free_private_data)(void **);
 386 };
 387
 388 typedef NTSTATUS (*pdb_init_function)(struct pdb_methods **, const char *);
 389
 390 struct pdb_init_function_entry {
 391         const char *name;
 392
 393         /* Function to create a member of the pdb_methods list */
 394         pdb_init_function init;
 395
 396         struct pdb_init_function_entry *prev, *next;
 397 };
 398
 399 #endif /* _PASSDB_H */