diff options
Diffstat (limited to 'source4/passdb/pdb_tdb.c')
| -rw-r--r-- | source4/passdb/pdb_tdb.c | 1021 |
1 files changed, 0 insertions, 1021 deletions
diff --git a/source4/passdb/pdb_tdb.c b/source4/passdb/pdb_tdb.c deleted file mode 100644 index 8d699c281e..0000000000 --- a/source4/passdb/pdb_tdb.c +++ /dev/null @@ -1,1021 +0,0 @@ -/* - * Unix SMB/CIFS implementation. - * SMB parameters and setup - * Copyright (C) Andrew Tridgell 1992-1998 - * Copyright (C) Simo Sorce 2000-2002 - * Copyright (C) Gerald Carter 2000 - * Copyright (C) Jeremy Allison 2001 - * Copyright (C) Andrew Bartlett 2002 - * - * 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 2 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, write to the Free Software Foundation, Inc., 675 - * Mass Ave, Cambridge, MA 02139, USA. - */ - -#include "includes.h" - -#if 0 /* when made a module use this */ - -static int tdbsam_debug_level = DBGC_ALL; -#undef DBGC_CLASS -#define DBGC_CLASS tdbsam_debug_level - -#else - -#undef DBGC_CLASS -#define DBGC_CLASS DBGC_PASSDB - -#endif - -#define PDB_VERSION "20010830" -#define PASSDB_FILE_NAME "passdb.tdb" -#define TDB_FORMAT_STRING "ddddddBBBBBBBBBBBBddBBwdwdBdd" -#define USERPREFIX "USER_" -#define RIDPREFIX "RID_" - -struct tdbsam_privates { - TDB_CONTEXT *passwd_tdb; - TDB_DATA key; - - /* retrive-once info */ - const char *tdbsam_location; - - BOOL permit_non_unix_accounts; - - BOOL algorithmic_rids; - - uint32 low_nua_rid; - uint32 high_nua_rid; -}; - -/********************************************************************** - Intialize a SAM_ACCOUNT struct from a BYTE buffer of size len - *********************************************************************/ - -static BOOL init_sam_from_buffer (struct tdbsam_privates *tdb_state, - SAM_ACCOUNT *sampass, uint8 *buf, uint32 buflen) -{ - - /* times are stored as 32bit integer - take care on system with 64bit wide time_t - --SSS */ - uint32 logon_time, - logoff_time, - kickoff_time, - pass_last_set_time, - pass_can_change_time, - pass_must_change_time; - char *username; - char *domain; - char *nt_username; - char *dir_drive; - char *unknown_str; - char *munged_dial; - char *fullname; - char *homedir; - char *logon_script; - char *profile_path; - char *acct_desc; - char *workstations; - uint32 username_len, domain_len, nt_username_len, - dir_drive_len, unknown_str_len, munged_dial_len, - fullname_len, homedir_len, logon_script_len, - profile_path_len, acct_desc_len, workstations_len; - - uint32 user_rid, group_rid, unknown_3, hours_len, unknown_5, unknown_6; - uint16 acct_ctrl, logon_divs; - uint8 *hours; - static uint8 *lm_pw_ptr, *nt_pw_ptr; - uint32 len = 0; - uint32 lm_pw_len, nt_pw_len, hourslen; - BOOL ret = True; - struct passwd *pw; - uid_t uid = -1; - gid_t gid = -1; /* This is what standard sub advanced expects if no gid is known */ - - if(sampass == NULL || buf == NULL) { - DEBUG(0, ("init_sam_from_buffer: NULL parameters found!\n")); - return False; - } - - /* unpack the buffer into variables */ - len = tdb_unpack (buf, buflen, TDB_FORMAT_STRING, - &logon_time, - &logoff_time, - &kickoff_time, - &pass_last_set_time, - &pass_can_change_time, - &pass_must_change_time, - &username_len, &username, - &domain_len, &domain, - &nt_username_len, &nt_username, - &fullname_len, &fullname, - &homedir_len, &homedir, - &dir_drive_len, &dir_drive, - &logon_script_len, &logon_script, - &profile_path_len, &profile_path, - &acct_desc_len, &acct_desc, - &workstations_len, &workstations, - &unknown_str_len, &unknown_str, - &munged_dial_len, &munged_dial, - &user_rid, - &group_rid, - &lm_pw_len, &lm_pw_ptr, - &nt_pw_len, &nt_pw_ptr, - &acct_ctrl, - &unknown_3, - &logon_divs, - &hours_len, - &hourslen, &hours, - &unknown_5, - &unknown_6); - - if (len == -1) { - ret = False; - goto done; - } - - /* validate the account and fill in UNIX uid and gid. Standard - * getpwnam() is used instead of Get_Pwnam() as we do not need - * to try case permutations - */ - if (!username || !(pw = getpwnam_alloc(username))) { - if (!(tdb_state->permit_non_unix_accounts)) { - DEBUG(0,("tdbsam: getpwnam_alloc(%s) return NULL. User does not exist!\n", username)); - ret = False; - goto done; - } - } - - if (pw) { - uid = pw->pw_uid; - gid = pw->pw_gid; - - pdb_set_unix_homedir(sampass, pw->pw_dir, PDB_SET); - - passwd_free(&pw); - - pdb_set_uid(sampass, uid, PDB_SET); - pdb_set_gid(sampass, gid, PDB_SET); - } - - pdb_set_logon_time(sampass, logon_time, PDB_SET); - pdb_set_logoff_time(sampass, logoff_time, PDB_SET); - pdb_set_kickoff_time(sampass, kickoff_time, PDB_SET); - pdb_set_pass_can_change_time(sampass, pass_can_change_time, PDB_SET); - pdb_set_pass_must_change_time(sampass, pass_must_change_time, PDB_SET); - pdb_set_pass_last_set_time(sampass, pass_last_set_time, PDB_SET); - - pdb_set_username (sampass, username, PDB_SET); - pdb_set_domain (sampass, domain, PDB_SET); - pdb_set_nt_username (sampass, nt_username, PDB_SET); - pdb_set_fullname (sampass, fullname, PDB_SET); - - if (homedir) { - pdb_set_homedir(sampass, homedir, PDB_SET); - } - else { - pdb_set_homedir(sampass, - talloc_sub_specified(sampass->mem_ctx, - lp_logon_home(), - username, domain, - uid, gid), - PDB_DEFAULT); - } - - if (dir_drive) - pdb_set_dir_drive(sampass, dir_drive, PDB_SET); - else { - pdb_set_dir_drive(sampass, - talloc_sub_specified(sampass->mem_ctx, - lp_logon_drive(), - username, domain, - uid, gid), - PDB_DEFAULT); - } - - if (logon_script) - pdb_set_logon_script(sampass, logon_script, PDB_SET); - else { - pdb_set_logon_script(sampass, - talloc_sub_specified(sampass->mem_ctx, - lp_logon_script(), - username, domain, - uid, gid), - PDB_DEFAULT); - } - - if (profile_path) { - pdb_set_profile_path(sampass, profile_path, PDB_SET); - } else { - pdb_set_profile_path(sampass, - talloc_sub_specified(sampass->mem_ctx, - lp_logon_path(), - username, domain, - uid, gid), - PDB_DEFAULT); - } - - pdb_set_acct_desc (sampass, acct_desc, PDB_SET); - pdb_set_workstations (sampass, workstations, PDB_SET); - pdb_set_munged_dial (sampass, munged_dial, PDB_SET); - - if (lm_pw_ptr && lm_pw_len == LM_HASH_LEN) { - if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr, PDB_SET)) { - ret = False; - goto done; - } - } - - if (nt_pw_ptr && nt_pw_len == NT_HASH_LEN) { - if (!pdb_set_nt_passwd(sampass, nt_pw_ptr, PDB_SET)) { - ret = False; - goto done; - } - } - - pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET); - pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET); - pdb_set_unknown_3(sampass, unknown_3, PDB_SET); - pdb_set_hours_len(sampass, hours_len, PDB_SET); - pdb_set_unknown_5(sampass, unknown_5, PDB_SET); - pdb_set_unknown_6(sampass, unknown_6, PDB_SET); - pdb_set_acct_ctrl(sampass, acct_ctrl, PDB_SET); - pdb_set_logon_divs(sampass, logon_divs, PDB_SET); - pdb_set_hours(sampass, hours, PDB_SET); - -done: - - SAFE_FREE(username); - SAFE_FREE(domain); - SAFE_FREE(nt_username); - SAFE_FREE(fullname); - SAFE_FREE(homedir); - SAFE_FREE(dir_drive); - SAFE_FREE(logon_script); - SAFE_FREE(profile_path); - SAFE_FREE(acct_desc); - SAFE_FREE(workstations); - SAFE_FREE(munged_dial); - - return ret; -} - -/********************************************************************** - Intialize a BYTE buffer from a SAM_ACCOUNT struct - *********************************************************************/ -static uint32 init_buffer_from_sam (struct tdbsam_privates *tdb_state, - uint8 **buf, const SAM_ACCOUNT *sampass) -{ - size_t len, buflen; - - /* times are stored as 32bit integer - take care on system with 64bit wide time_t - --SSS */ - uint32 logon_time, - logoff_time, - kickoff_time, - pass_last_set_time, - pass_can_change_time, - pass_must_change_time; - - uint32 user_rid, group_rid; - - const char *username; - const char *domain; - const char *nt_username; - const char *dir_drive; - const char *unknown_str; - const char *munged_dial; - const char *fullname; - const char *homedir; - const char *logon_script; - const char *profile_path; - const char *acct_desc; - const char *workstations; - uint32 username_len, domain_len, nt_username_len, - dir_drive_len, unknown_str_len, munged_dial_len, - fullname_len, homedir_len, logon_script_len, - profile_path_len, acct_desc_len, workstations_len; - - const uint8 *lm_pw; - const uint8 *nt_pw; - uint32 lm_pw_len = 16; - uint32 nt_pw_len = 16; - - /* do we have a valid SAM_ACCOUNT pointer? */ - if (sampass == NULL) { - DEBUG(0, ("init_buffer_from_sam: SAM_ACCOUNT is NULL!\n")); - return -1; - } - - *buf = NULL; - buflen = 0; - - logon_time = (uint32)pdb_get_logon_time(sampass); - logoff_time = (uint32)pdb_get_logoff_time(sampass); - kickoff_time = (uint32)pdb_get_kickoff_time(sampass); - pass_can_change_time = (uint32)pdb_get_pass_can_change_time(sampass); - pass_must_change_time = (uint32)pdb_get_pass_must_change_time(sampass); - pass_last_set_time = (uint32)pdb_get_pass_last_set_time(sampass); - - user_rid = pdb_get_user_rid(sampass); - group_rid = pdb_get_group_rid(sampass); - - username = pdb_get_username(sampass); - if (username) username_len = strlen(username) +1; - else username_len = 0; - - domain = pdb_get_domain(sampass); - if (domain) domain_len = strlen(domain) +1; - else domain_len = 0; - - nt_username = pdb_get_nt_username(sampass); - if (nt_username) nt_username_len = strlen(nt_username) +1; - else nt_username_len = 0; - - fullname = pdb_get_fullname(sampass); - if (fullname) fullname_len = strlen(fullname) +1; - else fullname_len = 0; - - /* - * Only updates fields which have been set (not defaults from smb.conf) - */ - - if (!IS_SAM_DEFAULT(sampass, PDB_DRIVE)) - dir_drive = pdb_get_dir_drive(sampass); - else dir_drive = NULL; - if (dir_drive) dir_drive_len = strlen(dir_drive) +1; - else dir_drive_len = 0; - - if (!IS_SAM_DEFAULT(sampass, PDB_SMBHOME)) homedir = pdb_get_homedir(sampass); - else homedir = NULL; - if (homedir) homedir_len = strlen(homedir) +1; - else homedir_len = 0; - - if (!IS_SAM_DEFAULT(sampass, PDB_LOGONSCRIPT)) logon_script = pdb_get_logon_script(sampass); - else logon_script = NULL; - if (logon_script) logon_script_len = strlen(logon_script) +1; - else logon_script_len = 0; - - if (!IS_SAM_DEFAULT(sampass, PDB_PROFILE)) profile_path = pdb_get_profile_path(sampass); - else profile_path = NULL; - if (profile_path) profile_path_len = strlen(profile_path) +1; - else profile_path_len = 0; - - lm_pw = pdb_get_lanman_passwd(sampass); - if (!lm_pw) lm_pw_len = 0; - - nt_pw = pdb_get_nt_passwd(sampass); - if (!nt_pw) nt_pw_len = 0; - - acct_desc = pdb_get_acct_desc(sampass); - if (acct_desc) acct_desc_len = strlen(acct_desc) +1; - else acct_desc_len = 0; - - workstations = pdb_get_workstations(sampass); - if (workstations) workstations_len = strlen(workstations) +1; - else workstations_len = 0; - - unknown_str = NULL; - unknown_str_len = 0; - - munged_dial = pdb_get_munged_dial(sampass); - if (munged_dial) munged_dial_len = strlen(munged_dial) +1; - else munged_dial_len = 0; - - /* one time to get the size needed */ - len = tdb_pack(NULL, 0, TDB_FORMAT_STRING, - logon_time, - logoff_time, - kickoff_time, - pass_last_set_time, - pass_can_change_time, - pass_must_change_time, - username_len, username, - domain_len, domain, - nt_username_len, nt_username, - fullname_len, fullname, - homedir_len, homedir, - dir_drive_len, dir_drive, - logon_script_len, logon_script, - profile_path_len, profile_path, - acct_desc_len, acct_desc, - workstations_len, workstations, - unknown_str_len, unknown_str, - munged_dial_len, munged_dial, - user_rid, - group_rid, - lm_pw_len, lm_pw, - nt_pw_len, nt_pw, - pdb_get_acct_ctrl(sampass), - pdb_get_unknown_3(sampass), - pdb_get_logon_divs(sampass), - pdb_get_hours_len(sampass), - MAX_HOURS_LEN, pdb_get_hours(sampass), - pdb_get_unknown_5(sampass), - pdb_get_unknown_6(sampass)); - - - /* malloc the space needed */ - if ( (*buf=(uint8*)malloc(len)) == NULL) { - DEBUG(0,("init_buffer_from_sam: Unable to malloc() memory for buffer!\n")); - return (-1); - } - - /* now for the real call to tdb_pack() */ - buflen = tdb_pack(*buf, len, TDB_FORMAT_STRING, - logon_time, - logoff_time, - kickoff_time, - pass_last_set_time, - pass_can_change_time, - pass_must_change_time, - username_len, username, - domain_len, domain, - nt_username_len, nt_username, - fullname_len, fullname, - homedir_len, homedir, - dir_drive_len, dir_drive, - logon_script_len, logon_script, - profile_path_len, profile_path, - acct_desc_len, acct_desc, - workstations_len, workstations, - unknown_str_len, unknown_str, - munged_dial_len, munged_dial, - user_rid, - group_rid, - lm_pw_len, lm_pw, - nt_pw_len, nt_pw, - pdb_get_acct_ctrl(sampass), - pdb_get_unknown_3(sampass), - pdb_get_logon_divs(sampass), - pdb_get_hours_len(sampass), - MAX_HOURS_LEN, pdb_get_hours(sampass), - pdb_get_unknown_5(sampass), - pdb_get_unknown_6(sampass)); - - - /* check to make sure we got it correct */ - if (buflen != len) { - DEBUG(0, ("init_buffer_from_sam: somthing odd is going on here: bufflen (%d) != len (%d) in tdb_pack operations!\n", - buflen, len)); - /* error */ - SAFE_FREE (*buf); - return (-1); - } - - return (buflen); -} - -/*************************************************************** - Open the TDB passwd database for SAM account enumeration. -****************************************************************/ - -static NTSTATUS tdbsam_setsampwent(struct pdb_methods *my_methods, BOOL update) -{ - struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data; - - /* Open tdb passwd */ - if (!(tdb_state->passwd_tdb = tdb_open_log(tdb_state->tdbsam_location, 0, TDB_DEFAULT, update?(O_RDWR|O_CREAT):O_RDONLY, 0600))) - { - DEBUG(0, ("Unable to open/create TDB passwd\n")); - return NT_STATUS_UNSUCCESSFUL; - } - - tdb_state->key = tdb_firstkey(tdb_state->passwd_tdb); - - return NT_STATUS_OK; -} - -static void close_tdb(struct tdbsam_privates *tdb_state) -{ - if (tdb_state->passwd_tdb) { - tdb_close(tdb_state->passwd_tdb); - tdb_state->passwd_tdb = NULL; - } -} - -/*************************************************************** - End enumeration of the TDB passwd list. -****************************************************************/ - -static void tdbsam_endsampwent(struct pdb_methods *my_methods) -{ - struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data; - close_tdb(tdb_state); - - DEBUG(7, ("endtdbpwent: closed sam database.\n")); -} - -/***************************************************************** - Get one SAM_ACCOUNT from the TDB (next in line) -*****************************************************************/ - -static NTSTATUS tdbsam_getsampwent(struct pdb_methods *my_methods, SAM_ACCOUNT *user) -{ - NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL; - struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data; - TDB_DATA data; - const char *prefix = USERPREFIX; - int prefixlen = strlen (prefix); - - - if (user==NULL) { - DEBUG(0,("pdb_get_sampwent: SAM_ACCOUNT is NULL.\n")); - return nt_status; - } - - /* skip all non-USER entries (eg. RIDs) */ - while ((tdb_state->key.dsize != 0) && (strncmp(tdb_state->key.dptr, prefix, prefixlen))) - /* increment to next in line */ - tdb_state->key = tdb_nextkey(tdb_state->passwd_tdb, tdb_state->key); - - /* do we have an valid iteration pointer? */ - if(tdb_state->passwd_tdb == NULL) { - DEBUG(0,("pdb_get_sampwent: Bad TDB Context pointer.\n")); - return nt_status; - } - - data = tdb_fetch(tdb_state->passwd_tdb, tdb_state->key); - if (!data.dptr) { - DEBUG(5,("pdb_getsampwent: database entry not found.\n")); - return nt_status; - } - - /* unpack the buffer */ - if (!init_sam_from_buffer(tdb_state, user, data.dptr, data.dsize)) { - DEBUG(0,("pdb_getsampwent: Bad SAM_ACCOUNT entry returned from TDB!\n")); - SAFE_FREE(data.dptr); - return nt_status; - } - SAFE_FREE(data.dptr); - - /* increment to next in line */ - tdb_state->key = tdb_nextkey(tdb_state->passwd_tdb, tdb_state->key); - - return NT_STATUS_OK; -} - -/****************************************************************** - Lookup a name in the SAM TDB -******************************************************************/ - -static NTSTATUS tdbsam_getsampwnam (struct pdb_methods *my_methods, SAM_ACCOUNT *user, const char *sname) -{ - NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL; - struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data; - TDB_CONTEXT *pwd_tdb; - TDB_DATA data, key; - fstring keystr; - fstring name; - - if (user==NULL) { - DEBUG(0,("pdb_getsampwnam: SAM_ACCOUNT is NULL.\n")); - return nt_status; - } - - /* Data is stored in all lower-case */ - unix_strlower(sname, -1, name, sizeof(name)); - - /* set search key */ - slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name); - key.dptr = keystr; - key.dsize = strlen(keystr) + 1; - - /* open the accounts TDB */ - if (!(pwd_tdb = tdb_open_log(tdb_state->tdbsam_location, 0, TDB_DEFAULT, O_RDONLY, 0600))) { - DEBUG(0, ("pdb_getsampwnam: Unable to open TDB passwd (%s)!\n", tdb_state->tdbsam_location)); - return nt_status; - } - - /* get the record */ - data = tdb_fetch(pwd_tdb, key); - if (!data.dptr) { - DEBUG(5,("pdb_getsampwnam (TDB): error fetching database.\n")); - DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb))); - DEBUGADD(5, (" Key: %s\n", keystr)); - tdb_close(pwd_tdb); - return nt_status; - } - - /* unpack the buffer */ - if (!init_sam_from_buffer(tdb_state, user, data.dptr, data.dsize)) { - DEBUG(0,("pdb_getsampwent: Bad SAM_ACCOUNT entry returned from TDB!\n")); - SAFE_FREE(data.dptr); - tdb_close(pwd_tdb); - return nt_status; - } - SAFE_FREE(data.dptr); - - /* no further use for database, close it now */ - tdb_close(pwd_tdb); - - return NT_STATUS_OK; -} - -/*************************************************************************** - Search by rid - **************************************************************************/ - -static NTSTATUS tdbsam_getsampwrid (struct pdb_methods *my_methods, SAM_ACCOUNT *user, uint32 rid) -{ - NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL; - struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data; - TDB_CONTEXT *pwd_tdb; - TDB_DATA data, key; - fstring keystr; - fstring name; - - if (user==NULL) { - DEBUG(0,("pdb_getsampwrid: SAM_ACCOUNT is NULL.\n")); - return nt_status; - } - - /* set search key */ - slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, rid); - key.dptr = keystr; - key.dsize = strlen (keystr) + 1; - - /* open the accounts TDB */ - if (!(pwd_tdb = tdb_open_log(tdb_state->tdbsam_location, 0, TDB_DEFAULT, O_RDONLY, 0600))) { - DEBUG(0, ("pdb_getsampwrid: Unable to open TDB rid database!\n")); - return nt_status; - } - - /* get the record */ - data = tdb_fetch (pwd_tdb, key); - if (!data.dptr) { - DEBUG(5,("pdb_getsampwrid (TDB): error looking up RID %d by key %s.\n", rid, keystr)); - DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb))); - tdb_close (pwd_tdb); - return nt_status; - } - - fstrcpy (name, data.dptr); - SAFE_FREE(data.dptr); - - tdb_close (pwd_tdb); - - return tdbsam_getsampwnam (my_methods, user, name); -} - -static NTSTATUS tdbsam_getsampwsid(struct pdb_methods *my_methods, SAM_ACCOUNT * user, const DOM_SID *sid) -{ - uint32 rid; - if (!sid_peek_check_rid(get_global_sam_sid(), sid, &rid)) - return NT_STATUS_UNSUCCESSFUL; - return tdbsam_getsampwrid(my_methods, user, rid); -} - -/*************************************************************************** - Delete a SAM_ACCOUNT -****************************************************************************/ - -static NTSTATUS tdbsam_delete_sam_account(struct pdb_methods *my_methods, SAM_ACCOUNT *sam_pass) -{ - NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL; - struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data; - TDB_CONTEXT *pwd_tdb; - TDB_DATA key; - fstring keystr; - uint32 rid; - fstring name; - - unix_strlower(pdb_get_username(sam_pass), -1, name, sizeof(name)); - - /* open the TDB */ - if (!(pwd_tdb = tdb_open_log(tdb_state->tdbsam_location, 0, TDB_DEFAULT, O_RDWR, 0600))) { - DEBUG(0, ("Unable to open TDB passwd!")); - return nt_status; - } - - /* set the search key */ - slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name); - key.dptr = keystr; - key.dsize = strlen (keystr) + 1; - - rid = pdb_get_user_rid(sam_pass); - - /* it's outaa here! 8^) */ - if (tdb_delete(pwd_tdb, key) != TDB_SUCCESS) { - DEBUG(5, ("Error deleting entry from tdb passwd database!\n")); - DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb))); - tdb_close(pwd_tdb); - return nt_status; - } - - /* delete also the RID key */ - - /* set the search key */ - slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, rid); - key.dptr = keystr; - key.dsize = strlen (keystr) + 1; - - /* it's outaa here! 8^) */ - if (tdb_delete(pwd_tdb, key) != TDB_SUCCESS) { - DEBUG(5, ("Error deleting entry from tdb rid database!\n")); - DEBUGADD(5, (" Error: %s\n", tdb_errorstr(pwd_tdb))); - tdb_close(pwd_tdb); - return nt_status; - } - - tdb_close(pwd_tdb); - - return NT_STATUS_OK; -} - -/*************************************************************************** - Update the TDB SAM -****************************************************************************/ - -static BOOL tdb_update_sam(struct pdb_methods *my_methods, SAM_ACCOUNT* newpwd, int flag) -{ - struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)my_methods->private_data; - TDB_CONTEXT *pwd_tdb = NULL; - TDB_DATA key, data; - uint8 *buf = NULL; - fstring keystr; - fstring name; - BOOL ret = True; - uint32 user_rid; - BOOL tdb_ret; - - /* invalidate the existing TDB iterator if it is open */ - if (tdb_state->passwd_tdb) { - tdb_close(tdb_state->passwd_tdb); - tdb_state->passwd_tdb = NULL; - } - - /* open the account TDB passwd*/ - pwd_tdb = tdb_open_log(tdb_state->tdbsam_location, 0, TDB_DEFAULT, O_RDWR | O_CREAT, 0600); - if (!pwd_tdb) - { - DEBUG(0, ("tdb_update_sam: Unable to open TDB passwd (%s)!\n", tdb_state->tdbsam_location)); - return False; - } - - /* if flag == TDB_INSERT then make up a new RID else throw an error. */ - if (!(user_rid = pdb_get_user_rid(newpwd))) { - if (flag & TDB_INSERT) { - if (IS_SAM_UNIX_USER(newpwd)) { - if (tdb_state->algorithmic_rids) { - user_rid = fallback_pdb_uid_to_user_rid(pdb_get_uid(newpwd)); - } else { - user_rid = BASE_RID; - tdb_ret = tdb_change_uint32_atomic(pwd_tdb, "RID_COUNTER", &user_rid, RID_MULTIPLIER); - if (!tdb_ret) { - ret = False; - goto done; - } - } - pdb_set_user_sid_from_rid(newpwd, user_rid, PDB_CHANGED); - } else { - user_rid = tdb_state->low_nua_rid; - tdb_ret = tdb_change_uint32_atomic(pwd_tdb, "NUA_RID_COUNTER", &user_rid, RID_MULTIPLIER); - if (!tdb_ret) { - ret = False; - goto done; - } - if (user_rid > tdb_state->high_nua_rid) { - DEBUG(0, ("tdbsam: no NUA rids available, cannot add user %s!\n", pdb_get_username(newpwd))); - ret = False; - goto done; - } - pdb_set_user_sid_from_rid(newpwd, user_rid, PDB_CHANGED); - } - } else { - DEBUG (0,("tdb_update_sam: Failing to store a SAM_ACCOUNT for [%s] without a RID\n",pdb_get_username(newpwd))); - ret = False; - goto done; - } - } - - if (!pdb_get_group_rid(newpwd)) { - if (flag & TDB_INSERT) { - if (!tdb_state->permit_non_unix_accounts) { - DEBUG (0,("tdb_update_sam: Failing to store a SAM_ACCOUNT for [%s] without a primary group RID\n",pdb_get_username(newpwd))); - ret = False; - goto done; - } else { - /* This seems like a good default choice for non-unix users */ - pdb_set_group_sid_from_rid(newpwd, DOMAIN_GROUP_RID_USERS, PDB_DEFAULT); - } - } else { - DEBUG (0,("tdb_update_sam: Failing to store a SAM_ACCOUNT for [%s] without a primary group RID\n",pdb_get_username(newpwd))); - ret = False; - goto done; - } - } - - /* copy the SAM_ACCOUNT struct into a BYTE buffer for storage */ - if ((data.dsize=init_buffer_from_sam (tdb_state, &buf, newpwd)) == -1) { - DEBUG(0,("tdb_update_sam: ERROR - Unable to copy SAM_ACCOUNT info BYTE buffer!\n")); - ret = False; - goto done; - } - data.dptr = buf; - - unix_strlower(pdb_get_username(newpwd), -1, name, sizeof(name)); - - DEBUG(5, ("Storing %saccount %s with RID %d\n", flag == TDB_INSERT ? "(new) " : "", name, user_rid)); - - /* setup the USER index key */ - slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name); - key.dptr = keystr; - key.dsize = strlen (keystr) + 1; - - /* add the account */ - if (tdb_store(pwd_tdb, key, data, flag) != TDB_SUCCESS) { - DEBUG(0, ("Unable to modify passwd TDB!")); - DEBUGADD(0, (" Error: %s", tdb_errorstr(pwd_tdb))); - DEBUGADD(0, (" occured while storing the main record (%s)\n", keystr)); - ret = False; - goto done; - } - - /* setup RID data */ - data.dsize = sizeof(fstring); - data.dptr = name; - - /* setup the RID index key */ - slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, user_rid); - key.dptr = keystr; - key.dsize = strlen (keystr) + 1; - - /* add the reference */ - if (tdb_store(pwd_tdb, key, data, flag) != TDB_SUCCESS) { - DEBUG(0, ("Unable to modify TDB passwd !")); - DEBUGADD(0, (" Error: %s\n", tdb_errorstr(pwd_tdb))); - DEBUGADD(0, (" occured while storing the RID index (%s)\n", keystr)); - ret = False; - goto done; - } - -done: - /* cleanup */ - tdb_close (pwd_tdb); - SAFE_FREE(buf); - - return (ret); -} - -/*************************************************************************** - Modifies an existing SAM_ACCOUNT -****************************************************************************/ - -static NTSTATUS tdbsam_update_sam_account (struct pdb_methods *my_methods, SAM_ACCOUNT *newpwd) -{ - if (tdb_update_sam(my_methods, newpwd, TDB_MODIFY)) - return NT_STATUS_OK; - else - return NT_STATUS_UNSUCCESSFUL; -} - -/*************************************************************************** - Adds an existing SAM_ACCOUNT -****************************************************************************/ - -static NTSTATUS tdbsam_add_sam_account (struct pdb_methods *my_methods, SAM_ACCOUNT *newpwd) -{ - if (tdb_update_sam(my_methods, newpwd, TDB_INSERT)) - return NT_STATUS_OK; - else - return NT_STATUS_UNSUCCESSFUL; -} - -static void free_private_data(void **vp) -{ - struct tdbsam_privates **tdb_state = (struct tdbsam_privates **)vp; - close_tdb(*tdb_state); - *tdb_state = NULL; - - /* No need to free any further, as it is talloc()ed */ -} - - -static NTSTATUS pdb_init_tdbsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location) -{ - NTSTATUS nt_status; - struct tdbsam_privates *tdb_state; - -#if 0 /* when made a module use this */ - tdbsam_debug_level = debug_add_class("tdbsam"); - if(tdbsam_debug_level == -1) { - tdbsam_debug_level = DBGC_ALL; - DEBUG(0, ("tdbsam: Couldn't register custom debugging class!\n")); - } -#endif - - if (!NT_STATUS_IS_OK(nt_status = make_pdb_methods(pdb_context->mem_ctx, pdb_method))) { - return nt_status; - } - - (*pdb_method)->name = "tdbsam"; - - (*pdb_method)->setsampwent = tdbsam_setsampwent; - (*pdb_method)->endsampwent = tdbsam_endsampwent; - (*pdb_method)->getsampwent = tdbsam_getsampwent; - (*pdb_method)->getsampwnam = tdbsam_getsampwnam; - (*pdb_method)->getsampwsid = tdbsam_getsampwsid; - (*pdb_method)->add_sam_account = tdbsam_add_sam_account; - (*pdb_method)->update_sam_account = tdbsam_update_sam_account; - (*pdb_method)->delete_sam_account = tdbsam_delete_sam_account; - - tdb_state = talloc_zero(pdb_context->mem_ctx, sizeof(struct tdbsam_privates)); - - if (!tdb_state) { - DEBUG(0, ("talloc() failed for tdbsam private_data!\n")); - return NT_STATUS_NO_MEMORY; - } - - if (location) { - tdb_state->tdbsam_location = talloc_strdup(pdb_context->mem_ctx, location); - } else { - pstring tdbfile; - get_private_directory(tdbfile); - pstrcat(tdbfile, "/"); - pstrcat(tdbfile, PASSDB_FILE_NAME); - tdb_state->tdbsam_location = talloc_strdup(pdb_context->mem_ctx, tdbfile); - } - - tdb_state->algorithmic_rids = True; - - (*pdb_method)->private_data = tdb_state; - - (*pdb_method)->free_private_data = free_private_data; - - return NT_STATUS_OK; -} - -static NTSTATUS pdb_init_tdbsam_nua(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location) -{ - NTSTATUS nt_status; - struct tdbsam_privates *tdb_state; - uint32 low_nua_uid, high_nua_uid; - - if (!NT_STATUS_IS_OK(nt_status = pdb_init_tdbsam(pdb_context, pdb_method, location))) { - return nt_status; - } - - (*pdb_method)->name = "tdbsam_nua"; - - tdb_state = (*pdb_method)->private_data; - - tdb_state->permit_non_unix_accounts = True; - - if (!lp_non_unix_account_range(&low_nua_uid, &high_nua_uid)) { - DEBUG(0, ("cannot use tdbsam_nua without 'non unix account range' in smb.conf!\n")); - return NT_STATUS_UNSUCCESSFUL; - } - - tdb_state->low_nua_rid=fallback_pdb_uid_to_user_rid(low_nua_uid); - - tdb_state->high_nua_rid=fallback_pdb_uid_to_user_rid(high_nua_uid); - - return NT_STATUS_OK; -} - -NTSTATUS passdb_tdb_init(void) -{ - NTSTATUS ret; - struct passdb_ops ops; - - /* fill in our name */ - ops.name = "tdbsam"; - /* fill in all the operations */ - ops.init = pdb_init_tdbsam; - - /* register ourselves with the PASSDB subsystem. */ - ret = register_backend("passdb", &ops); - if (!NT_STATUS_IS_OK(ret)) { - DEBUG(0,("Failed to register '%s' PASSDB backend!\n", - ops.name)); - return ret; - } - - /* fill in our name */ - ops.name = "tdbsam_nua"; - /* fill in all the operations */ - ops.init = pdb_init_tdbsam_nua; - - /* register ourselves with the PASSDB subsystem. */ - ret = register_backend("passdb", &ops); - if (!NT_STATUS_IS_OK(ret)) { - DEBUG(0,("Failed to register '%s' PASSDB backend!\n", - ops.name)); - return ret; - } - - return ret; -} |