r148: Ensure we do not dereference a null pointer when we return the user
[Samba/gebeck_regimport.git] / source3 / include / passdb.h
blobd08fd13a72321e59e77bf0be26ba40dd0601eb3f
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
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.
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.
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.
24 #ifndef _PASSDB_H
25 #define _PASSDB_H
29 * fields_present flags meanings
30 * same names as found in samba4 idl files
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
65 * bit flags representing initialized fields in SAM_ACCOUNT
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_BACKEND_PRIVATE_DATA,
104 /* this must be the last element */
105 PDB_COUNT
108 enum pdb_group_elements {
109 PDB_GROUP_NAME,
110 PDB_GROUP_SID,
111 PDB_GROUP_SID_NAME_USE,
112 PDB_GROUP_MEMBERS,
114 /* this must be the last element */
115 PDB_GROUP_COUNT
119 enum pdb_value_state {
120 PDB_DEFAULT=0,
121 PDB_SET,
122 PDB_CHANGED
125 #define IS_SAM_SET(x, flag) (pdb_get_init_flags(x, flag) == PDB_SET)
126 #define IS_SAM_CHANGED(x, flag) (pdb_get_init_flags(x, flag) == PDB_CHANGED)
127 #define IS_SAM_DEFAULT(x, flag) (pdb_get_init_flags(x, flag) == PDB_DEFAULT)
129 /* cache for bad password lockout data, to be used on replicated SAMs */
130 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;
138 typedef struct sam_passwd
140 TALLOC_CTX *mem_ctx;
142 void (*free_fn)(struct sam_passwd **);
144 struct pdb_methods *methods;
146 struct user_data {
147 /* initialization flags */
148 struct bitmap *change_flags;
149 struct bitmap *set_flags;
151 time_t logon_time; /* logon time */
152 time_t logoff_time; /* logoff time */
153 time_t kickoff_time; /* kickoff time */
154 time_t bad_password_time; /* last bad password entered */
155 time_t pass_last_set_time; /* password last set time */
156 time_t pass_can_change_time; /* password can change time */
157 time_t pass_must_change_time; /* password must change time */
159 const char * username; /* UNIX username string */
160 const char * domain; /* Windows Domain name */
161 const char * nt_username; /* Windows username string */
162 const char * full_name; /* user's full name string */
163 const char * unix_home_dir; /* UNIX home directory string */
164 const char * home_dir; /* home directory string */
165 const char * dir_drive; /* home directory drive string */
166 const char * logon_script; /* logon script string */
167 const char * profile_path; /* profile path string */
168 const char * acct_desc ; /* user description string */
169 const char * workstations; /* login from workstations string */
170 const char * unknown_str ; /* don't know what this is, yet. */
171 const char * munged_dial ; /* munged path name and dial-back tel number */
173 DOM_SID user_sid; /* Primary User SID */
174 DOM_SID group_sid; /* Primary Group SID */
176 DATA_BLOB lm_pw; /* .data is Null if no password */
177 DATA_BLOB nt_pw; /* .data is Null if no password */
178 char* plaintext_pw; /* is Null if not available */
180 uint16 acct_ctrl; /* account info (ACB_xxxx bit-mask) */
181 uint32 fields_present; /* 0x00ff ffff */
183 uint16 logon_divs; /* 168 - number of hours in a week */
184 uint32 hours_len; /* normally 21 bytes */
185 uint8 hours[MAX_HOURS_LEN];
187 /* Was unknown_5. */
188 uint16 bad_password_count;
189 uint16 logon_count;
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;
198 /* Lets see if the remaining code can get the hint that you
199 are meant to use the pdb_...() functions. */
201 } SAM_ACCOUNT;
203 typedef struct sam_group {
204 TALLOC_CTX *mem_ctx;
206 void (*free_fn)(struct sam_group **);
208 struct pdb_methods *methods;
210 struct group_data {
211 /* initialization flags */
212 struct bitmap *change_flags;
213 struct bitmap *set_flags;
215 const char *name; /* Windows group name string */
217 DOM_SID sid; /* Group SID */
218 enum SID_NAME_USE sid_name_use; /* Group type */
220 uint32 mem_num; /* Number of member SIDs */
221 DOM_SID *members; /* SID array */
222 } private;
224 } SAM_GROUP;
226 struct acct_info
228 fstring acct_name; /* account name */
229 fstring acct_desc; /* account name */
230 uint32 rid; /* domain-relative RID */
233 /*****************************************************************
234 Functions to be implemented by the new (v2) passdb API
235 ****************************************************************/
238 * This next constant specifies the version number of the PASSDB interface
239 * this SAMBA will load. Increment this if *ANY* changes are made to the interface.
242 #define PASSDB_INTERFACE_VERSION 5
244 typedef struct pdb_context
246 struct pdb_methods *pdb_methods;
247 struct pdb_methods *pwent_methods;
249 /* These functions are wrappers for the functions listed above.
250 They may do extra things like re-reading a SAM_ACCOUNT on update */
252 NTSTATUS (*pdb_setsampwent)(struct pdb_context *, BOOL update);
254 void (*pdb_endsampwent)(struct pdb_context *);
256 NTSTATUS (*pdb_getsampwent)(struct pdb_context *, SAM_ACCOUNT *user);
258 NTSTATUS (*pdb_getsampwnam)(struct pdb_context *, SAM_ACCOUNT *sam_acct, const char *username);
260 NTSTATUS (*pdb_getsampwsid)(struct pdb_context *, SAM_ACCOUNT *sam_acct, const DOM_SID *sid);
262 NTSTATUS (*pdb_add_sam_account)(struct pdb_context *, SAM_ACCOUNT *sampass);
264 NTSTATUS (*pdb_update_sam_account)(struct pdb_context *, SAM_ACCOUNT *sampass);
266 NTSTATUS (*pdb_delete_sam_account)(struct pdb_context *, SAM_ACCOUNT *username);
268 NTSTATUS (*pdb_getgrsid)(struct pdb_context *context, GROUP_MAP *map, DOM_SID sid);
270 NTSTATUS (*pdb_getgrgid)(struct pdb_context *context, GROUP_MAP *map, gid_t gid);
272 NTSTATUS (*pdb_getgrnam)(struct pdb_context *context, GROUP_MAP *map, const char *name);
274 NTSTATUS (*pdb_add_group_mapping_entry)(struct pdb_context *context,
275 GROUP_MAP *map);
277 NTSTATUS (*pdb_update_group_mapping_entry)(struct pdb_context *context,
278 GROUP_MAP *map);
280 NTSTATUS (*pdb_delete_group_mapping_entry)(struct pdb_context *context,
281 DOM_SID sid);
283 NTSTATUS (*pdb_enum_group_mapping)(struct pdb_context *context,
284 enum SID_NAME_USE sid_name_use,
285 GROUP_MAP **rmap, int *num_entries,
286 BOOL unix_only);
288 NTSTATUS (*pdb_find_alias)(struct pdb_context *context,
289 const char *name, DOM_SID *sid);
291 NTSTATUS (*pdb_create_alias)(struct pdb_context *context,
292 const char *name, uint32 *rid);
294 NTSTATUS (*pdb_delete_alias)(struct pdb_context *context,
295 const DOM_SID *sid);
297 NTSTATUS (*pdb_enum_aliases)(struct pdb_context *context,
298 const DOM_SID *domain_sid,
299 uint32 start_idx, uint32 num_entries,
300 uint32 *num_aliases,
301 struct acct_info **aliases);
303 NTSTATUS (*pdb_get_aliasinfo)(struct pdb_context *context,
304 const DOM_SID *sid,
305 struct acct_info *info);
307 NTSTATUS (*pdb_set_aliasinfo)(struct pdb_context *context,
308 const DOM_SID *sid,
309 struct acct_info *info);
311 NTSTATUS (*pdb_add_aliasmem)(struct pdb_context *context,
312 const DOM_SID *alias,
313 const DOM_SID *member);
315 NTSTATUS (*pdb_del_aliasmem)(struct pdb_context *context,
316 const DOM_SID *alias,
317 const DOM_SID *member);
319 NTSTATUS (*pdb_enum_aliasmem)(struct pdb_context *context,
320 const DOM_SID *alias,
321 DOM_SID **members, int *num_members);
323 NTSTATUS (*pdb_enum_alias_memberships)(struct pdb_context *context,
324 const DOM_SID *alias,
325 DOM_SID **aliases,
326 int *num);
328 void (*free_fn)(struct pdb_context **);
330 TALLOC_CTX *mem_ctx;
332 } PDB_CONTEXT;
334 typedef struct pdb_methods
336 const char *name; /* What name got this module */
337 struct pdb_context *parent;
339 /* Use macros from dlinklist.h on these two */
340 struct pdb_methods *next;
341 struct pdb_methods *prev;
343 NTSTATUS (*setsampwent)(struct pdb_methods *, BOOL update);
345 void (*endsampwent)(struct pdb_methods *);
347 NTSTATUS (*getsampwent)(struct pdb_methods *, SAM_ACCOUNT *user);
349 NTSTATUS (*getsampwnam)(struct pdb_methods *, SAM_ACCOUNT *sam_acct, const char *username);
351 NTSTATUS (*getsampwsid)(struct pdb_methods *, SAM_ACCOUNT *sam_acct, const DOM_SID *sid);
353 NTSTATUS (*add_sam_account)(struct pdb_methods *, SAM_ACCOUNT *sampass);
355 NTSTATUS (*update_sam_account)(struct pdb_methods *, SAM_ACCOUNT *sampass);
357 NTSTATUS (*delete_sam_account)(struct pdb_methods *, SAM_ACCOUNT *username);
359 NTSTATUS (*getgrsid)(struct pdb_methods *methods, GROUP_MAP *map, DOM_SID sid);
361 NTSTATUS (*getgrgid)(struct pdb_methods *methods, GROUP_MAP *map, gid_t gid);
363 NTSTATUS (*getgrnam)(struct pdb_methods *methods, GROUP_MAP *map, const char *name);
365 NTSTATUS (*add_group_mapping_entry)(struct pdb_methods *methods,
366 GROUP_MAP *map);
368 NTSTATUS (*update_group_mapping_entry)(struct pdb_methods *methods,
369 GROUP_MAP *map);
371 NTSTATUS (*delete_group_mapping_entry)(struct pdb_methods *methods,
372 DOM_SID sid);
374 NTSTATUS (*enum_group_mapping)(struct pdb_methods *methods,
375 enum SID_NAME_USE sid_name_use,
376 GROUP_MAP **rmap, int *num_entries,
377 BOOL unix_only);
379 NTSTATUS (*find_alias)(struct pdb_methods *methods,
380 const char *name, DOM_SID *sid);
382 NTSTATUS (*create_alias)(struct pdb_methods *methods,
383 const char *name, uint32 *rid);
385 NTSTATUS (*delete_alias)(struct pdb_methods *methods,
386 const DOM_SID *sid);
388 NTSTATUS (*enum_aliases)(struct pdb_methods *methods,
389 const DOM_SID *domain_sid,
390 uint32 start_idx, uint32 max_entries,
391 uint32 *num_aliases, struct acct_info **info);
393 NTSTATUS (*get_aliasinfo)(struct pdb_methods *methods,
394 const DOM_SID *sid,
395 struct acct_info *info);
397 NTSTATUS (*set_aliasinfo)(struct pdb_methods *methods,
398 const DOM_SID *sid,
399 struct acct_info *info);
401 NTSTATUS (*add_aliasmem)(struct pdb_methods *methods,
402 const DOM_SID *alias, const DOM_SID *member);
403 NTSTATUS (*del_aliasmem)(struct pdb_methods *methods,
404 const DOM_SID *alias, const DOM_SID *member);
405 NTSTATUS (*enum_aliasmem)(struct pdb_methods *methods,
406 const DOM_SID *alias, DOM_SID **members,
407 int *num_members);
408 NTSTATUS (*enum_alias_memberships)(struct pdb_methods *methods,
409 const DOM_SID *sid,
410 DOM_SID **aliases, int *num);
412 void *private_data; /* Private data of some kind */
414 void (*free_private_data)(void **);
416 } PDB_METHODS;
418 typedef NTSTATUS (*pdb_init_function)(struct pdb_context *,
419 struct pdb_methods **,
420 const char *);
422 struct pdb_init_function_entry {
423 const char *name;
424 /* Function to create a member of the pdb_methods list */
425 pdb_init_function init;
426 struct pdb_init_function_entry *prev, *next;
429 enum sql_search_field { SQL_SEARCH_NONE = 0, SQL_SEARCH_USER_SID = 1, SQL_SEARCH_USER_NAME = 2};
431 #endif /* _PASSDB_H */