/* Unix SMB/CIFS implementation. passdb structures and parameters Copyright (C) Gerald Carter 2001 Copyright (C) Luke Kenneth Casson Leighton 1998 - 2000 Copyright (C) Andrew Bartlett 2002 Copyright (C) Simo Sorce 2003 This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef _PASSDB_H #define _PASSDB_H /********************************************************************** * Masks for mappings between unix uid and gid types and * NT RIDS. **********************************************************************/ /* Take the bottom bit. */ #define RID_TYPE_MASK 1 #define RID_MULTIPLIER 2 /* The two common types. */ #define USER_RID_TYPE 0 #define GROUP_RID_TYPE 1 /* * bit flags representing initialized fields in struct samu */ enum pdb_elements { PDB_UNINIT, PDB_SMBHOME, PDB_PROFILE, PDB_DRIVE, PDB_LOGONSCRIPT, PDB_LOGONTIME, PDB_LOGOFFTIME, PDB_KICKOFFTIME, PDB_BAD_PASSWORD_TIME, PDB_CANCHANGETIME, PDB_MUSTCHANGETIME, PDB_PLAINTEXT_PW, PDB_USERNAME, PDB_FULLNAME, PDB_DOMAIN, PDB_NTUSERNAME, PDB_HOURSLEN, PDB_LOGONDIVS, PDB_USERSID, PDB_GROUPSID, PDB_ACCTCTRL, PDB_PASSLASTSET, PDB_ACCTDESC, PDB_WORKSTATIONS, PDB_COMMENT, PDB_MUNGEDDIAL, PDB_HOURS, PDB_FIELDS_PRESENT, PDB_BAD_PASSWORD_COUNT, PDB_LOGON_COUNT, PDB_UNKNOWN6, PDB_LMPASSWD, PDB_NTPASSWD, PDB_PWHISTORY, PDB_BACKEND_PRIVATE_DATA, /* this must be the last element */ PDB_COUNT }; enum pdb_group_elements { PDB_GROUP_NAME, PDB_GROUP_SID, PDB_GROUP_SID_NAME_USE, PDB_GROUP_MEMBERS, /* this must be the last element */ PDB_GROUP_COUNT }; enum pdb_value_state { PDB_DEFAULT=0, PDB_SET, PDB_CHANGED }; #define IS_SAM_SET(x, flag) (pdb_get_init_flags(x, flag) == PDB_SET) #define IS_SAM_CHANGED(x, flag) (pdb_get_init_flags(x, flag) == PDB_CHANGED) #define IS_SAM_DEFAULT(x, flag) (pdb_get_init_flags(x, flag) == PDB_DEFAULT) /* cache for bad password lockout data, to be used on replicated SAMs */ struct login_cache { time_t entry_timestamp; uint32_t acct_ctrl; uint16_t bad_password_count; time_t bad_password_time; }; #define SAMU_BUFFER_V0 0 #define SAMU_BUFFER_V1 1 #define SAMU_BUFFER_V2 2 #define SAMU_BUFFER_V3 3 /* nothing changed from V3 to V4 */ #define SAMU_BUFFER_V4 4 #define SAMU_BUFFER_LATEST SAMU_BUFFER_V4 struct samu { struct pdb_methods *methods; /* initialization flags */ struct bitmap *change_flags; struct bitmap *set_flags; time_t logon_time; /* logon time */ time_t logoff_time; /* logoff time */ time_t kickoff_time; /* kickoff time */ time_t bad_password_time; /* last bad password entered */ time_t pass_last_set_time; /* password last set time */ time_t pass_can_change_time; /* password can change time */ time_t pass_must_change_time; /* password must change time */ const char *username; /* UNIX username string */ const char *domain; /* Windows Domain name */ const char *nt_username; /* Windows username string */ const char *full_name; /* user's full name string */ const char *home_dir; /* home directory string */ const char *dir_drive; /* home directory drive string */ const char *logon_script; /* logon script string */ const char *profile_path; /* profile path string */ const char *acct_desc; /* user description string */ const char *workstations; /* login from workstations string */ const char *comment; const char *munged_dial; /* munged path name and dial-back tel number */ struct dom_sid user_sid; struct dom_sid *group_sid; DATA_BLOB lm_pw; /* .data is Null if no password */ DATA_BLOB nt_pw; /* .data is Null if no password */ DATA_BLOB nt_pw_his; /* nt hashed password history .data is Null if not available */ char* plaintext_pw; /* is Null if not available */ uint32_t acct_ctrl; /* account info (ACB_xxxx bit-mask) */ uint32_t fields_present; /* 0x00ff ffff */ uint16_t logon_divs; /* 168 - number of hours in a week */ uint32_t hours_len; /* normally 21 bytes */ uint8_t hours[MAX_HOURS_LEN]; /* Was unknown_5. */ uint16_t bad_password_count; uint16_t logon_count; uint32_t unknown_6; /* 0x0000 04ec */ /* a tag for who added the private methods */ const struct pdb_methods *backend_private_methods; void *backend_private_data; void (*backend_private_data_free_fn)(void **); /* maintain a copy of the user's struct passwd */ struct passwd *unix_pw; }; struct acct_info { fstring acct_name; /* account name */ fstring acct_desc; /* account name */ uint32_t rid; /* domain-relative RID */ }; struct samr_displayentry { uint32_t idx; uint32_t rid; uint32_t acct_flags; const char *account_name; const char *fullname; const char *description; }; enum pdb_search_type { PDB_USER_SEARCH, PDB_GROUP_SEARCH, PDB_ALIAS_SEARCH }; struct pdb_search { enum pdb_search_type type; struct samr_displayentry *cache; uint32_t num_entries; ssize_t cache_size; bool search_ended; void *private_data; bool (*next_entry)(struct pdb_search *search, struct samr_displayentry *entry); void (*search_end)(struct pdb_search *search); }; struct pdb_domain_info { char *name; char *dns_domain; char *dns_forest; struct dom_sid sid; struct GUID guid; }; /* * Types of account policy. */ enum pdb_policy_type { PDB_POLICY_MIN_PASSWORD_LEN = 1, PDB_POLICY_PASSWORD_HISTORY = 2, PDB_POLICY_USER_MUST_LOGON_TO_CHG_PASS = 3, PDB_POLICY_MAX_PASSWORD_AGE = 4, PDB_POLICY_MIN_PASSWORD_AGE = 5, PDB_POLICY_LOCK_ACCOUNT_DURATION = 6, PDB_POLICY_RESET_COUNT_TIME = 7, PDB_POLICY_BAD_ATTEMPT_LOCKOUT = 8, PDB_POLICY_TIME_TO_LOGOUT = 9, PDB_POLICY_REFUSE_MACHINE_PW_CHANGE = 10 }; #define PDB_CAP_STORE_RIDS 0x0001 #define PDB_CAP_ADS 0x0002 /***************************************************************** Functions to be implemented by the new (v2) passdb API ****************************************************************/ /* * This next constant specifies the version number of the PASSDB interface * this SAMBA will load. Increment this if *ANY* changes are made to the interface. * Changed interface to fix int -> size_t problems. JRA. * There's no point in allocating arrays in * samr_lookup_rids twice. It was done in the srv_samr_nt.c code as well as in * the pdb module. Remove the latter, this might happen more often. VL. * changed to version 14 to move lookup_rids and lookup_names to return * enum lsa_SidType rather than uint32_t. * Changed to 16 for access to the trusted domain passwords (obnox). * Changed to 17, the sampwent interface is gone. * Changed to 18, pdb_rid_algorithm -> pdb_capabilities * Changed to 19, removed uid_to_rid */ #define PASSDB_INTERFACE_VERSION 19 struct pdb_methods { const char *name; /* What name got this module */ struct pdb_domain_info *(*get_domain_info)(struct pdb_methods *, TALLOC_CTX *mem_ctx); NTSTATUS (*getsampwnam)(struct pdb_methods *, struct samu *sam_acct, const char *username); NTSTATUS (*getsampwsid)(struct pdb_methods *, struct samu *sam_acct, const struct dom_sid *sid); NTSTATUS (*create_user)(struct pdb_methods *, TALLOC_CTX *tmp_ctx, const char *name, uint32_t acct_flags, uint32_t *rid); NTSTATUS (*delete_user)(struct pdb_methods *, TALLOC_CTX *tmp_ctx, struct samu *sam_acct); NTSTATUS (*add_sam_account)(struct pdb_methods *, struct samu *sampass); NTSTATUS (*update_sam_account)(struct pdb_methods *, struct samu *sampass); NTSTATUS (*delete_sam_account)(struct pdb_methods *, struct samu *username); NTSTATUS (*rename_sam_account)(struct pdb_methods *, struct samu *oldname, const char *newname); NTSTATUS (*update_login_attempts)(struct pdb_methods *methods, struct samu *sam_acct, bool success); NTSTATUS (*getgrsid)(struct pdb_methods *methods, GROUP_MAP *map, struct dom_sid sid); NTSTATUS (*getgrgid)(struct pdb_methods *methods, GROUP_MAP *map, gid_t gid); NTSTATUS (*getgrnam)(struct pdb_methods *methods, GROUP_MAP *map, const char *name); NTSTATUS (*create_dom_group)(struct pdb_methods *methods, TALLOC_CTX *mem_ctx, const char *name, uint32_t *rid); NTSTATUS (*delete_dom_group)(struct pdb_methods *methods, TALLOC_CTX *mem_ctx, uint32_t rid); NTSTATUS (*add_group_mapping_entry)(struct pdb_methods *methods, GROUP_MAP *map); NTSTATUS (*update_group_mapping_entry)(struct pdb_methods *methods, GROUP_MAP *map); NTSTATUS (*delete_group_mapping_entry)(struct pdb_methods *methods, struct dom_sid sid); NTSTATUS (*enum_group_mapping)(struct pdb_methods *methods, const struct dom_sid *sid, enum lsa_SidType sid_name_use, GROUP_MAP **pp_rmap, size_t *p_num_entries, bool unix_only); NTSTATUS (*enum_group_members)(struct pdb_methods *methods, TALLOC_CTX *mem_ctx, const struct dom_sid *group, uint32_t **pp_member_rids, size_t *p_num_members); NTSTATUS (*enum_group_memberships)(struct pdb_methods *methods, TALLOC_CTX *mem_ctx, struct samu *user, struct dom_sid **pp_sids, gid_t **pp_gids, size_t *p_num_groups); NTSTATUS (*set_unix_primary_group)(struct pdb_methods *methods, TALLOC_CTX *mem_ctx, struct samu *user); NTSTATUS (*add_groupmem)(struct pdb_methods *methods, TALLOC_CTX *mem_ctx, uint32_t group_rid, uint32_t member_rid); NTSTATUS (*del_groupmem)(struct pdb_methods *methods, TALLOC_CTX *mem_ctx, uint32_t group_rid, uint32_t member_rid); NTSTATUS (*create_alias)(struct pdb_methods *methods, const char *name, uint32_t *rid); NTSTATUS (*delete_alias)(struct pdb_methods *methods, const struct dom_sid *sid); NTSTATUS (*get_aliasinfo)(struct pdb_methods *methods, const struct dom_sid *sid, struct acct_info *info); NTSTATUS (*set_aliasinfo)(struct pdb_methods *methods, const struct dom_sid *sid, struct acct_info *info); NTSTATUS (*add_aliasmem)(struct pdb_methods *methods, const struct dom_sid *alias, const struct dom_sid *member); NTSTATUS (*del_aliasmem)(struct pdb_methods *methods, const struct dom_sid *alias, const struct dom_sid *member); NTSTATUS (*enum_aliasmem)(struct pdb_methods *methods, const struct dom_sid *alias, TALLOC_CTX *mem_ctx, struct dom_sid **members, size_t *p_num_members); NTSTATUS (*enum_alias_memberships)(struct pdb_methods *methods, TALLOC_CTX *mem_ctx, const struct dom_sid *domain_sid, const struct dom_sid *members, size_t num_members, uint32_t **pp_alias_rids, size_t *p_num_alias_rids); NTSTATUS (*lookup_rids)(struct pdb_methods *methods, const struct dom_sid *domain_sid, int num_rids, uint32_t *rids, const char **pp_names, enum lsa_SidType *attrs); NTSTATUS (*lookup_names)(struct pdb_methods *methods, const struct dom_sid *domain_sid, int num_names, const char **pp_names, uint32_t *rids, enum lsa_SidType *attrs); NTSTATUS (*get_account_policy)(struct pdb_methods *methods, enum pdb_policy_type type, uint32_t *value); NTSTATUS (*set_account_policy)(struct pdb_methods *methods, enum pdb_policy_type type, uint32_t value); NTSTATUS (*get_seq_num)(struct pdb_methods *methods, time_t *seq_num); bool (*search_users)(struct pdb_methods *methods, struct pdb_search *search, uint32_t acct_flags); bool (*search_groups)(struct pdb_methods *methods, struct pdb_search *search); bool (*search_aliases)(struct pdb_methods *methods, struct pdb_search *search, const struct dom_sid *sid); bool (*uid_to_sid)(struct pdb_methods *methods, uid_t uid, struct dom_sid *sid); bool (*gid_to_sid)(struct pdb_methods *methods, gid_t gid, struct dom_sid *sid); bool (*sid_to_id)(struct pdb_methods *methods, const struct dom_sid *sid, union unid_t *id, enum lsa_SidType *type); uint32_t (*capabilities)(struct pdb_methods *methods); bool (*new_rid)(struct pdb_methods *methods, uint32_t *rid); bool (*get_trusteddom_pw)(struct pdb_methods *methods, const char *domain, char** pwd, struct dom_sid *sid, time_t *pass_last_set_time); bool (*set_trusteddom_pw)(struct pdb_methods *methods, const char* domain, const char* pwd, const struct dom_sid *sid); bool (*del_trusteddom_pw)(struct pdb_methods *methods, const char *domain); NTSTATUS (*enum_trusteddoms)(struct pdb_methods *methods, TALLOC_CTX *mem_ctx, uint32_t *num_domains, struct trustdom_info ***domains); void *private_data; /* Private data of some kind */ void (*free_private_data)(void **); }; typedef NTSTATUS (*pdb_init_function)(struct pdb_methods **, const char *); struct pdb_init_function_entry { const char *name; /* Function to create a member of the pdb_methods list */ pdb_init_function init; struct pdb_init_function_entry *prev, *next; }; #endif /* _PASSDB_H */