diff options
Diffstat (limited to 'source3/passdb/pdb_tdb.c')
| -rw-r--r-- | source3/passdb/pdb_tdb.c | 1639 |
1 files changed, 1639 insertions, 0 deletions
diff --git a/source3/passdb/pdb_tdb.c b/source3/passdb/pdb_tdb.c new file mode 100644 index 0000000000..e40f4bbab8 --- /dev/null +++ b/source3/passdb/pdb_tdb.c @@ -0,0 +1,1639 @@ +/* + * Unix SMB/CIFS implementation. + * SMB parameters and setup + * Copyright (C) Andrew Tridgell 1992-1998 + * Copyright (C) Simo Sorce 2000-2003 + * Copyright (C) Gerald Carter 2000-2006 + * Copyright (C) Jeremy Allison 2001 + * Copyright (C) Andrew Bartlett 2002 + * Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2005 + * + * 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/>. + */ + +#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 TDBSAM_VERSION 3 /* Most recent TDBSAM version */ +#define TDBSAM_VERSION_STRING "INFO/version" +#define PASSDB_FILE_NAME "passdb.tdb" +#define USERPREFIX "USER_" +#define USERPREFIX_LEN 5 +#define RIDPREFIX "RID_" +#define PRIVPREFIX "PRIV_" + +/* GLOBAL TDB SAM CONTEXT */ + +static struct db_context *db_sam; +static char *tdbsam_filename; + +/********************************************************************** + Marshall/unmarshall struct samu structs. + *********************************************************************/ + +#define TDB_FORMAT_STRING_V0 "ddddddBBBBBBBBBBBBddBBwdwdBwwd" +#define TDB_FORMAT_STRING_V1 "dddddddBBBBBBBBBBBBddBBwdwdBwwd" +#define TDB_FORMAT_STRING_V2 "dddddddBBBBBBBBBBBBddBBBwwdBwwd" + +/********************************************************************* +*********************************************************************/ + +static bool init_sam_from_buffer_v0(struct samu *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 = NULL; + char *domain = NULL; + char *nt_username = NULL; + char *dir_drive = NULL; + char *unknown_str = NULL; + char *munged_dial = NULL; + char *fullname = NULL; + char *homedir = NULL; + char *logon_script = NULL; + char *profile_path = NULL; + char *acct_desc = NULL; + char *workstations = NULL; + 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, remove_me, hours_len, unknown_6; + uint16 acct_ctrl, logon_divs; + uint16 bad_password_count, logon_count; + uint8 *hours = NULL; + uint8 *lm_pw_ptr = NULL, *nt_pw_ptr = NULL; + uint32 len = 0; + uint32 lm_pw_len, nt_pw_len, hourslen; + bool ret = True; + + if(sampass == NULL || buf == NULL) { + DEBUG(0, ("init_sam_from_buffer_v0: NULL parameters found!\n")); + return False; + } + +/* TDB_FORMAT_STRING_V0 "ddddddBBBBBBBBBBBBddBBwdwdBwwd" */ + + /* unpack the buffer into variables */ + len = tdb_unpack (buf, buflen, TDB_FORMAT_STRING_V0, + &logon_time, /* d */ + &logoff_time, /* d */ + &kickoff_time, /* d */ + &pass_last_set_time, /* d */ + &pass_can_change_time, /* d */ + &pass_must_change_time, /* d */ + &username_len, &username, /* B */ + &domain_len, &domain, /* B */ + &nt_username_len, &nt_username, /* B */ + &fullname_len, &fullname, /* B */ + &homedir_len, &homedir, /* B */ + &dir_drive_len, &dir_drive, /* B */ + &logon_script_len, &logon_script, /* B */ + &profile_path_len, &profile_path, /* B */ + &acct_desc_len, &acct_desc, /* B */ + &workstations_len, &workstations, /* B */ + &unknown_str_len, &unknown_str, /* B */ + &munged_dial_len, &munged_dial, /* B */ + &user_rid, /* d */ + &group_rid, /* d */ + &lm_pw_len, &lm_pw_ptr, /* B */ + &nt_pw_len, &nt_pw_ptr, /* B */ + &acct_ctrl, /* w */ + &remove_me, /* remove on the next TDB_FORMAT upgarde */ /* d */ + &logon_divs, /* w */ + &hours_len, /* d */ + &hourslen, &hours, /* B */ + &bad_password_count, /* w */ + &logon_count, /* w */ + &unknown_6); /* d */ + + if (len == (uint32) -1) { + ret = False; + goto done; + } + + 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_basic(sampass, username, domain, + lp_logon_home()), + PDB_DEFAULT); + } + + if (dir_drive) + pdb_set_dir_drive(sampass, dir_drive, PDB_SET); + else { + pdb_set_dir_drive(sampass, + talloc_sub_basic(sampass, username, domain, + lp_logon_drive()), + PDB_DEFAULT); + } + + if (logon_script) + pdb_set_logon_script(sampass, logon_script, PDB_SET); + else { + pdb_set_logon_script(sampass, + talloc_sub_basic(sampass, username, domain, + lp_logon_script()), + PDB_DEFAULT); + } + + if (profile_path) { + pdb_set_profile_path(sampass, profile_path, PDB_SET); + } else { + pdb_set_profile_path(sampass, + talloc_sub_basic(sampass, username, domain, + lp_logon_path()), + 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_pw_history(sampass, NULL, 0, PDB_SET); + pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET); + pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET); + pdb_set_hours_len(sampass, hours_len, PDB_SET); + pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET); + pdb_set_logon_count(sampass, logon_count, 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); + SAFE_FREE(unknown_str); + SAFE_FREE(lm_pw_ptr); + SAFE_FREE(nt_pw_ptr); + SAFE_FREE(hours); + + return ret; +} + +/********************************************************************* +*********************************************************************/ + +static bool init_sam_from_buffer_v1(struct samu *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, + bad_password_time, + pass_last_set_time, + pass_can_change_time, + pass_must_change_time; + char *username = NULL; + char *domain = NULL; + char *nt_username = NULL; + char *dir_drive = NULL; + char *unknown_str = NULL; + char *munged_dial = NULL; + char *fullname = NULL; + char *homedir = NULL; + char *logon_script = NULL; + char *profile_path = NULL; + char *acct_desc = NULL; + char *workstations = NULL; + 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, remove_me, hours_len, unknown_6; + uint16 acct_ctrl, logon_divs; + uint16 bad_password_count, logon_count; + uint8 *hours = NULL; + uint8 *lm_pw_ptr = NULL, *nt_pw_ptr = NULL; + uint32 len = 0; + uint32 lm_pw_len, nt_pw_len, hourslen; + bool ret = True; + + if(sampass == NULL || buf == NULL) { + DEBUG(0, ("init_sam_from_buffer_v1: NULL parameters found!\n")); + return False; + } + +/* TDB_FORMAT_STRING_V1 "dddddddBBBBBBBBBBBBddBBwdwdBwwd" */ + + /* unpack the buffer into variables */ + len = tdb_unpack (buf, buflen, TDB_FORMAT_STRING_V1, + &logon_time, /* d */ + &logoff_time, /* d */ + &kickoff_time, /* d */ + /* Change from V0 is addition of bad_password_time field. */ + &bad_password_time, /* d */ + &pass_last_set_time, /* d */ + &pass_can_change_time, /* d */ + &pass_must_change_time, /* d */ + &username_len, &username, /* B */ + &domain_len, &domain, /* B */ + &nt_username_len, &nt_username, /* B */ + &fullname_len, &fullname, /* B */ + &homedir_len, &homedir, /* B */ + &dir_drive_len, &dir_drive, /* B */ + &logon_script_len, &logon_script, /* B */ + &profile_path_len, &profile_path, /* B */ + &acct_desc_len, &acct_desc, /* B */ + &workstations_len, &workstations, /* B */ + &unknown_str_len, &unknown_str, /* B */ + &munged_dial_len, &munged_dial, /* B */ + &user_rid, /* d */ + &group_rid, /* d */ + &lm_pw_len, &lm_pw_ptr, /* B */ + &nt_pw_len, &nt_pw_ptr, /* B */ + &acct_ctrl, /* w */ + &remove_me, /* d */ + &logon_divs, /* w */ + &hours_len, /* d */ + &hourslen, &hours, /* B */ + &bad_password_count, /* w */ + &logon_count, /* w */ + &unknown_6); /* d */ + + if (len == (uint32) -1) { + ret = False; + goto done; + } + + 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); + + /* Change from V0 is addition of bad_password_time field. */ + pdb_set_bad_password_time(sampass, bad_password_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_basic(sampass, username, domain, + lp_logon_home()), + PDB_DEFAULT); + } + + if (dir_drive) + pdb_set_dir_drive(sampass, dir_drive, PDB_SET); + else { + pdb_set_dir_drive(sampass, + talloc_sub_basic(sampass, username, domain, + lp_logon_drive()), + PDB_DEFAULT); + } + + if (logon_script) + pdb_set_logon_script(sampass, logon_script, PDB_SET); + else { + pdb_set_logon_script(sampass, + talloc_sub_basic(sampass, username, domain, + lp_logon_script()), + PDB_DEFAULT); + } + + if (profile_path) { + pdb_set_profile_path(sampass, profile_path, PDB_SET); + } else { + pdb_set_profile_path(sampass, + talloc_sub_basic(sampass, username, domain, + lp_logon_path()), + 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_pw_history(sampass, NULL, 0, PDB_SET); + + pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET); + pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET); + pdb_set_hours_len(sampass, hours_len, PDB_SET); + pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET); + pdb_set_logon_count(sampass, logon_count, 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); + SAFE_FREE(unknown_str); + SAFE_FREE(lm_pw_ptr); + SAFE_FREE(nt_pw_ptr); + SAFE_FREE(hours); + + return ret; +} + +bool init_sam_from_buffer_v2(struct samu *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, + bad_password_time, + pass_last_set_time, + pass_can_change_time, + pass_must_change_time; + char *username = NULL; + char *domain = NULL; + char *nt_username = NULL; + char *dir_drive = NULL; + char *unknown_str = NULL; + char *munged_dial = NULL; + char *fullname = NULL; + char *homedir = NULL; + char *logon_script = NULL; + char *profile_path = NULL; + char *acct_desc = NULL; + char *workstations = NULL; + 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, hours_len, unknown_6; + uint16 acct_ctrl, logon_divs; + uint16 bad_password_count, logon_count; + uint8 *hours = NULL; + uint8 *lm_pw_ptr = NULL, *nt_pw_ptr = NULL, *nt_pw_hist_ptr = NULL; + uint32 len = 0; + uint32 lm_pw_len, nt_pw_len, nt_pw_hist_len, hourslen; + uint32 pwHistLen = 0; + bool ret = True; + fstring tmp_string; + bool expand_explicit = lp_passdb_expand_explicit(); + + if(sampass == NULL || buf == NULL) { + DEBUG(0, ("init_sam_from_buffer_v2: NULL parameters found!\n")); + return False; + } + +/* TDB_FORMAT_STRING_V2 "dddddddBBBBBBBBBBBBddBBBwwdBwwd" */ + + /* unpack the buffer into variables */ + len = tdb_unpack (buf, buflen, TDB_FORMAT_STRING_V2, + &logon_time, /* d */ + &logoff_time, /* d */ + &kickoff_time, /* d */ + &bad_password_time, /* d */ + &pass_last_set_time, /* d */ + &pass_can_change_time, /* d */ + &pass_must_change_time, /* d */ + &username_len, &username, /* B */ + &domain_len, &domain, /* B */ + &nt_username_len, &nt_username, /* B */ + &fullname_len, &fullname, /* B */ + &homedir_len, &homedir, /* B */ + &dir_drive_len, &dir_drive, /* B */ + &logon_script_len, &logon_script, /* B */ + &profile_path_len, &profile_path, /* B */ + &acct_desc_len, &acct_desc, /* B */ + &workstations_len, &workstations, /* B */ + &unknown_str_len, &unknown_str, /* B */ + &munged_dial_len, &munged_dial, /* B */ + &user_rid, /* d */ + &group_rid, /* d */ + &lm_pw_len, &lm_pw_ptr, /* B */ + &nt_pw_len, &nt_pw_ptr, /* B */ + /* Change from V1 is addition of password history field. */ + &nt_pw_hist_len, &nt_pw_hist_ptr, /* B */ + &acct_ctrl, /* w */ + /* Also "remove_me" field was removed. */ + &logon_divs, /* w */ + &hours_len, /* d */ + &hourslen, &hours, /* B */ + &bad_password_count, /* w */ + &logon_count, /* w */ + &unknown_6); /* d */ + + if (len == (uint32) -1) { + ret = False; + goto done; + } + + 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_bad_password_time(sampass, bad_password_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) { + fstrcpy( tmp_string, homedir ); + if (expand_explicit) { + standard_sub_basic( username, domain, tmp_string, + sizeof(tmp_string) ); + } + pdb_set_homedir(sampass, tmp_string, PDB_SET); + } + else { + pdb_set_homedir(sampass, + talloc_sub_basic(sampass, username, domain, + lp_logon_home()), + PDB_DEFAULT); + } + + if (dir_drive) + pdb_set_dir_drive(sampass, dir_drive, PDB_SET); + else + pdb_set_dir_drive(sampass, lp_logon_drive(), PDB_DEFAULT ); + + if (logon_script) { + fstrcpy( tmp_string, logon_script ); + if (expand_explicit) { + standard_sub_basic( username, domain, tmp_string, + sizeof(tmp_string) ); + } + pdb_set_logon_script(sampass, tmp_string, PDB_SET); + } + else { + pdb_set_logon_script(sampass, + talloc_sub_basic(sampass, username, domain, + lp_logon_script()), + PDB_DEFAULT); + } + + if (profile_path) { + fstrcpy( tmp_string, profile_path ); + if (expand_explicit) { + standard_sub_basic( username, domain, tmp_string, + sizeof(tmp_string) ); + } + pdb_set_profile_path(sampass, tmp_string, PDB_SET); + } + else { + pdb_set_profile_path(sampass, + talloc_sub_basic(sampass, username, domain, + lp_logon_path()), + 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; + } + } + + /* Change from V1 is addition of password history field. */ + pdb_get_account_policy(AP_PASSWORD_HISTORY, &pwHistLen); + if (pwHistLen) { + uint8 *pw_hist = SMB_MALLOC_ARRAY(uint8, pwHistLen * PW_HISTORY_ENTRY_LEN); + if (!pw_hist) { + ret = False; + goto done; + } + memset(pw_hist, '\0', pwHistLen * PW_HISTORY_ENTRY_LEN); + if (nt_pw_hist_ptr && nt_pw_hist_len) { + int i; + SMB_ASSERT((nt_pw_hist_len % PW_HISTORY_ENTRY_LEN) == 0); + nt_pw_hist_len /= PW_HISTORY_ENTRY_LEN; + for (i = 0; (i < pwHistLen) && (i < nt_pw_hist_len); i++) { + memcpy(&pw_hist[i*PW_HISTORY_ENTRY_LEN], + &nt_pw_hist_ptr[i*PW_HISTORY_ENTRY_LEN], + PW_HISTORY_ENTRY_LEN); + } + } + if (!pdb_set_pw_history(sampass, pw_hist, pwHistLen, PDB_SET)) { + SAFE_FREE(pw_hist); + ret = False; + goto done; + } + SAFE_FREE(pw_hist); + } else { + pdb_set_pw_history(sampass, NULL, 0, PDB_SET); + } + + pdb_set_user_sid_from_rid(sampass, user_rid, PDB_SET); + pdb_set_group_sid_from_rid(sampass, group_rid, PDB_SET); + pdb_set_hours_len(sampass, hours_len, PDB_SET); + pdb_set_bad_password_count(sampass, bad_password_count, PDB_SET); + pdb_set_logon_count(sampass, logon_count, 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); + SAFE_FREE(unknown_str); + SAFE_FREE(lm_pw_ptr); + SAFE_FREE(nt_pw_ptr); + SAFE_FREE(nt_pw_hist_ptr); + SAFE_FREE(hours); + + return ret; +} + + +/********************************************************************** + Intialize a struct samu struct from a BYTE buffer of size len + *********************************************************************/ + +static bool init_sam_from_buffer(struct samu *sampass, uint8 *buf, uint32 buflen) +{ + return init_sam_from_buffer_v3(sampass, buf, buflen); +} + +/********************************************************************** + Intialize a BYTE buffer from a struct samu struct + *********************************************************************/ + +static uint32 init_buffer_from_sam (uint8 **buf, struct samu *sampass, bool size_only) +{ + return init_buffer_from_sam_v3(buf, sampass, size_only); +} + +/********************************************************************** + Intialize a BYTE buffer from a struct samu struct + *********************************************************************/ + +struct tdbsam_convert_state { + int32_t from; + bool success; +}; + +static int tdbsam_convert_one(struct db_record *rec, void *priv) +{ + struct tdbsam_convert_state *state = + (struct tdbsam_convert_state *)priv; + struct samu *user; + TDB_DATA data; + NTSTATUS status; + bool ret; + + if (rec->key.dsize < USERPREFIX_LEN) { + return 0; + } + if (strncmp((char *)rec->key.dptr, USERPREFIX, USERPREFIX_LEN) != 0) { + return 0; + } + + user = samu_new(talloc_tos()); + if (user == NULL) { + DEBUG(0,("tdbsam_convert: samu_new() failed!\n")); + state->success = false; + return -1; + } + + DEBUG(10,("tdbsam_convert: Try unpacking a record with (key:%s) " + "(version:%d)\n", rec->key.dptr, state->from)); + + switch (state->from) { + case 0: + ret = init_sam_from_buffer_v0(user, (uint8 *)rec->value.dptr, + rec->value.dsize); + break; + case 1: + ret = init_sam_from_buffer_v1(user, (uint8 *)rec->value.dptr, + rec->value.dsize); + break; + case 2: + ret = init_sam_from_buffer_v2(user, (uint8 *)rec->value.dptr, + rec->value.dsize); + break; + case 3: + ret = init_sam_from_buffer_v3(user, (uint8 *)rec->value.dptr, + rec->value.dsize); + break; + default: + /* unknown tdbsam version */ + ret = False; + } + if (!ret) { + DEBUG(0,("tdbsam_convert: Bad struct samu entry returned " + "from TDB (key:%s) (version:%d)\n", rec->key.dptr, + state->from)); + TALLOC_FREE(user); + state->success = false; + return -1; + } + + data.dsize = init_buffer_from_sam(&data.dptr, user, false); + TALLOC_FREE(user); + + if (data.dsize == -1) { + DEBUG(0,("tdbsam_convert: cannot pack the struct samu into " + "the new format\n")); + state->success = false; + return -1; + } + + status = rec->store(rec, data, TDB_MODIFY); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(0, ("Could not store the new record: %s\n", + nt_errstr(status))); + state->success = false; + return -1; + } + + return 0; +} + +static bool tdbsam_convert(struct db_context *db, int32 from) +{ + struct tdbsam_convert_state state; + int ret; + + state.from = from; + state.success = true; + + if (db->transaction_start(db) != 0) { + DEBUG(0, ("Could not start transaction\n")); + return false; + } + + ret = db->traverse(db, tdbsam_convert_one, &state); + if (ret < 0) { + DEBUG(0, ("traverse failed\n")); + goto cancel; + } + + if (!state.success) { + DEBUG(0, ("Converting records failed\n")); + goto cancel; + } + + if (dbwrap_store_int32(db, TDBSAM_VERSION_STRING, + TDBSAM_VERSION) != 0) { + DEBUG(0, ("Could not store tdbsam version\n")); + goto cancel; + } + + if (db->transaction_commit(db) != 0) { + DEBUG(0, ("Could not commit transaction\n")); + return false; + } + + return true; + + cancel: + if (db->transaction_cancel(db) != 0) { + smb_panic("transaction_cancel failed"); + } + + return false; +} + +/********************************************************************* + Open the tdbsam file based on the absolute path specified. + Uses a reference count to allow multiple open calls. +*********************************************************************/ + +static bool tdbsam_open( const char *name ) +{ + int32 version; + + /* check if we are already open */ + + if ( db_sam ) { + return true; + } + + /* Try to open tdb passwd. Create a new one if necessary */ + + db_sam = db_open(NULL, name, 0, TDB_DEFAULT, O_CREAT|O_RDWR, 0600); + if (db_sam == NULL) { + DEBUG(0, ("tdbsam_open: Failed to open/create TDB passwd " + "[%s]\n", name)); + return false; + } + + /* Check the version */ + version = dbwrap_fetch_int32(db_sam, TDBSAM_VERSION_STRING); + if (version == -1) { + version = 0; /* Version not found, assume version 0 */ + } + + /* Compare the version */ + if (version > TDBSAM_VERSION) { + /* Version more recent than the latest known */ + DEBUG(0, ("tdbsam_open: unknown version => %d\n", version)); + TALLOC_FREE(db_sam); + return false; + } + + if ( version < TDBSAM_VERSION ) { + DEBUG(1, ("tdbsam_open: Converting version %d database to " + "version %d.\n", version, TDBSAM_VERSION)); + + if ( !tdbsam_convert(db_sam, version) ) { + DEBUG(0, ("tdbsam_open: Error when trying to convert " + "tdbsam [%s]\n",name)); + TALLOC_FREE(db_sam); + return false; + } + + DEBUG(3, ("TDBSAM converted successfully.\n")); + } + + DEBUG(4,("tdbsam_open: successfully opened %s\n", name )); + + return true; +} + +/****************************************************************** + Lookup a name in the SAM TDB +******************************************************************/ + +static NTSTATUS tdbsam_getsampwnam (struct pdb_methods *my_methods, + struct samu *user, const char *sname) +{ + TDB_DATA data; + fstring keystr; + fstring name; + + if ( !user ) { + DEBUG(0,("pdb_getsampwnam: struct samu is NULL.\n")); + return NT_STATUS_NO_MEMORY; + } + + /* Data is stored in all lower-case */ + fstrcpy(name, sname); + strlower_m(name); + + /* set search key */ + slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name); + + /* open the database */ + + if ( !tdbsam_open( tdbsam_filename ) ) { + DEBUG(0,("tdbsam_getsampwnam: failed to open %s!\n", tdbsam_filename)); + return NT_STATUS_ACCESS_DENIED; + } + + /* get the record */ + + data = dbwrap_fetch_bystring(db_sam, talloc_tos(), keystr); + if (!data.dptr) { + DEBUG(5,("pdb_getsampwnam (TDB): error fetching database.\n")); + DEBUGADD(5, (" Key: %s\n", keystr)); + return NT_STATUS_NO_SUCH_USER; + } + + /* unpack the buffer */ + + if (!init_sam_from_buffer(user, data.dptr, data.dsize)) { + DEBUG(0,("pdb_getsampwent: Bad struct samu entry returned from TDB!\n")); + SAFE_FREE(data.dptr); + return NT_STATUS_NO_MEMORY; + } + + /* success */ + + TALLOC_FREE(data.dptr); + + return NT_STATUS_OK; +} + +/*************************************************************************** + Search by rid + **************************************************************************/ + +static NTSTATUS tdbsam_getsampwrid (struct pdb_methods *my_methods, + struct samu *user, uint32 rid) +{ + NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL; + TDB_DATA data; + fstring keystr; + fstring name; + + if ( !user ) { + DEBUG(0,("pdb_getsampwrid: struct samu is NULL.\n")); + return nt_status; + } + + /* set search key */ + + slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, rid); + + /* open the database */ + + if ( !tdbsam_open( tdbsam_filename ) ) { + DEBUG(0,("tdbsam_getsampwnam: failed to open %s!\n", tdbsam_filename)); + return NT_STATUS_ACCESS_DENIED; + } + + /* get the record */ + + data = dbwrap_fetch_bystring(db_sam, talloc_tos(), keystr); + if (!data.dptr) { + DEBUG(5,("pdb_getsampwrid (TDB): error looking up RID %d by key %s.\n", rid, keystr)); + return NT_STATUS_UNSUCCESSFUL; + } + + fstrcpy(name, (const char *)data.dptr); + TALLOC_FREE(data.dptr); + + return tdbsam_getsampwnam (my_methods, user, name); +} + +static NTSTATUS tdbsam_getsampwsid(struct pdb_methods *my_methods, + struct samu * 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); +} + +static bool tdb_delete_samacct_only( struct samu *sam_pass ) +{ + fstring keystr; + fstring name; + NTSTATUS status; + + fstrcpy(name, pdb_get_username(sam_pass)); + strlower_m(name); + + /* set the search key */ + + slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name); + + /* it's outaa here! 8^) */ + + status = dbwrap_delete_bystring(db_sam, keystr); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(5, ("Error deleting entry from tdb passwd " + "database: %s!\n", nt_errstr(status))); + return false; + } + + return true; +} + +/*************************************************************************** + Delete a struct samu records for the username and RID key +****************************************************************************/ + +static NTSTATUS tdbsam_delete_sam_account(struct pdb_methods *my_methods, + struct samu *sam_pass) +{ + NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL; + fstring keystr; + uint32 rid; + fstring name; + + /* open the database */ + + if ( !tdbsam_open( tdbsam_filename ) ) { + DEBUG(0,("tdbsam_delete_sam_account: failed to open %s!\n", + tdbsam_filename)); + return NT_STATUS_ACCESS_DENIED; + } + + fstrcpy(name, pdb_get_username(sam_pass)); + strlower_m(name); + + /* set the search key */ + + slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name); + + rid = pdb_get_user_rid(sam_pass); + + /* it's outaa here! 8^) */ + + if (db_sam->transaction_start(db_sam) != 0) { + DEBUG(0, ("Could not start transaction\n")); + return NT_STATUS_UNSUCCESSFUL; + } + + nt_status = dbwrap_delete_bystring(db_sam, keystr); + if (!NT_STATUS_IS_OK(nt_status)) { + DEBUG(5, ("Error deleting entry from tdb passwd " + "database: %s!\n", nt_errstr(nt_status))); + goto cancel; + } + + /* set the search key */ + + slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, rid); + + /* it's outaa here! 8^) */ + + nt_status = dbwrap_delete_bystring(db_sam, keystr); + if (!NT_STATUS_IS_OK(nt_status)) { + DEBUG(5, ("Error deleting entry from tdb rid " + "database: %s!\n", nt_errstr(nt_status))); + goto cancel; + } + + if (db_sam->transaction_commit(db_sam) != 0) { + DEBUG(0, ("Could not commit transaction\n")); + return NT_STATUS_INTERNAL_DB_CORRUPTION; + } + + return NT_STATUS_OK; + + cancel: + if (db_sam->transaction_cancel(db_sam) != 0) { + smb_panic("transaction_cancel failed"); + } + + return nt_status; +} + + +/*************************************************************************** + Update the TDB SAM account record only + Assumes that the tdbsam is already open +****************************************************************************/ +static bool tdb_update_samacct_only( struct samu* newpwd, int flag ) +{ + TDB_DATA data; + uint8 *buf = NULL; + fstring keystr; + fstring name; + bool ret = false; + NTSTATUS status; + + /* copy the struct samu struct into a BYTE buffer for storage */ + + if ( (data.dsize=init_buffer_from_sam (&buf, newpwd, False)) == -1 ) { + DEBUG(0,("tdb_update_sam: ERROR - Unable to copy struct samu info BYTE buffer!\n")); + goto done; + } + data.dptr = buf; + + fstrcpy(name, pdb_get_username(newpwd)); + strlower_m(name); + + DEBUG(5, ("Storing %saccount %s with RID %d\n", + flag == TDB_INSERT ? "(new) " : "", name, + pdb_get_user_rid(newpwd))); + + /* setup the USER index key */ + slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name); + + /* add the account */ + + status = dbwrap_store_bystring(db_sam, keystr, data, flag); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(0, ("Unable to modify passwd TDB: %s!", + nt_errstr(status))); + goto done; + } + + ret = true; + +done: + /* cleanup */ + SAFE_FREE(buf); + return ret; +} + +/*************************************************************************** + Update the TDB SAM RID record only + Assumes that the tdbsam is already open +****************************************************************************/ +static bool tdb_update_ridrec_only( struct samu* newpwd, int flag ) +{ + TDB_DATA data; + fstring keystr; + fstring name; + NTSTATUS status; + + fstrcpy(name, pdb_get_username(newpwd)); + strlower_m(name); + + /* setup RID data */ + data = string_term_tdb_data(name); + + /* setup the RID index key */ + slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, + pdb_get_user_rid(newpwd)); + + /* add the reference */ + status = dbwrap_store_bystring(db_sam, keystr, data, flag); + if (!NT_STATUS_IS_OK(status)) { + DEBUG(0, ("Unable to modify TDB passwd: %s!\n", + nt_errstr(status))); + return false; + } + + return true; + +} + +/*************************************************************************** + Update the TDB SAM +****************************************************************************/ + +static bool tdb_update_sam(struct pdb_methods *my_methods, struct samu* newpwd, + int flag) +{ + if (!pdb_get_user_rid(newpwd)) { + DEBUG(0,("tdb_update_sam: struct samu (%s) with no RID!\n", + pdb_get_username(newpwd))); + return False; + } + + /* open the database */ + + if ( !tdbsam_open( tdbsam_filename ) ) { + DEBUG(0,("tdbsam_getsampwnam: failed to open %s!\n", tdbsam_filename)); + return False; + } + + if (db_sam->transaction_start(db_sam) != 0) { + DEBUG(0, ("Could not start transaction\n")); + return false; + } + + if (!tdb_update_samacct_only(newpwd, flag) + || !tdb_update_ridrec_only(newpwd, flag)) { + goto cancel; + } + + if (db_sam->transaction_commit(db_sam) != 0) { + DEBUG(0, ("Could not commit transaction\n")); + return false; + } + + return true; + + cancel: + if (db_sam->transaction_cancel(db_sam) != 0) { + smb_panic("transaction_cancel failed"); + } + return false; +} + +/*************************************************************************** + Modifies an existing struct samu +****************************************************************************/ + +static NTSTATUS tdbsam_update_sam_account (struct pdb_methods *my_methods, struct samu *newpwd) +{ + if ( !tdb_update_sam(my_methods, newpwd, TDB_MODIFY) ) + return NT_STATUS_UNSUCCESSFUL; + + return NT_STATUS_OK; +} + +/*************************************************************************** + Adds an existing struct samu +****************************************************************************/ + +static NTSTATUS tdbsam_add_sam_account (struct pdb_methods *my_methods, struct samu *newpwd) +{ + if ( !tdb_update_sam(my_methods, newpwd, TDB_INSERT) ) + return NT_STATUS_UNSUCCESSFUL; + + return NT_STATUS_OK; +} + +/*************************************************************************** + Renames a struct samu + - check for the posix user/rename user script + - Add and lock the new user record + - rename the posix user + - rewrite the rid->username record + - delete the old user + - unlock the new user record +***************************************************************************/ +static NTSTATUS tdbsam_rename_sam_account(struct pdb_methods *my_methods, + struct samu *old_acct, + const char *newname) +{ + struct samu *new_acct = NULL; + char *rename_script = NULL; + int rename_ret; + fstring oldname_lower; + fstring newname_lower; + + /* can't do anything without an external script */ + + if ( !(new_acct = samu_new( talloc_tos() )) ) { + return NT_STATUS_NO_MEMORY; + } + + rename_script = talloc_strdup(new_acct, lp_renameuser_script()); + if (!rename_script) { + TALLOC_FREE(new_acct); + return NT_STATUS_NO_MEMORY; + } + if (!*rename_script) { + TALLOC_FREE(new_acct); + return NT_STATUS_ACCESS_DENIED; + } + + if ( !pdb_copy_sam_account(new_acct, old_acct) + || !pdb_set_username(new_acct, newname, PDB_CHANGED)) + { + TALLOC_FREE(new_acct); + return NT_STATUS_NO_MEMORY; + } + + /* open the database */ + if ( !tdbsam_open( tdbsam_filename ) ) { + DEBUG(0, ("tdbsam_getsampwnam: failed to open %s!\n", + tdbsam_filename)); + TALLOC_FREE(new_acct); + return NT_STATUS_ACCESS_DENIED; + } + + if (db_sam->transaction_start(db_sam) != 0) { + DEBUG(0, ("Could not start transaction\n")); + TALLOC_FREE(new_acct); + return NT_STATUS_ACCESS_DENIED; + + } + + /* add the new account and lock it */ + if ( !tdb_update_samacct_only(new_acct, TDB_INSERT) ) { + goto cancel; + } + + /* Rename the posix user. Follow the semantics of _samr_create_user() + so that we lower case the posix name but preserve the case in passdb */ + + fstrcpy( oldname_lower, pdb_get_username(old_acct) ); + strlower_m( oldname_lower ); + + fstrcpy( newname_lower, newname ); + strlower_m( newname_lower ); + + rename_script = talloc_string_sub2(new_acct, + rename_script, + "%unew", + newname_lower, + true, + false, + true); + if (!rename_script) { + goto cancel; + } + rename_script = talloc_string_sub2(new_acct, + rename_script, + "%uold", + oldname_lower, + true, + false, + true); + if (!rename_script) { + goto cancel; + } + rename_ret = smbrun(rename_script, NULL); + + DEBUG(rename_ret ? 0 : 3,("Running the command `%s' gave %d\n", + rename_script, rename_ret)); + + if (rename_ret != 0) { + goto cancel; + } + + smb_nscd_flush_user_cache(); + + /* rewrite the rid->username record */ + + if ( !tdb_update_ridrec_only( new_acct, TDB_MODIFY) ) { + goto cancel; + } + + tdb_delete_samacct_only( old_acct ); + + if (db_sam->transaction_commit(db_sam) != 0) { + /* + * Ok, we're screwed. We've changed the posix account, but + * could not adapt passdb.tdb. Shall we change the posix + * account back? + */ + DEBUG(0, ("transaction_commit failed\n")); + TALLOC_FREE(new_acct); + return NT_STATUS_INTERNAL_DB_CORRUPTION; + } + + TALLOC_FREE(new_acct ); + return NT_STATUS_OK; + + cancel: + if (db_sam->transaction_cancel(db_sam) != 0) { + smb_panic("transaction_cancel failed"); + } + + TALLOC_FREE(new_acct); + + return NT_STATUS_ACCESS_DENIED; +} + +static bool tdbsam_rid_algorithm(struct pdb_methods *methods) +{ + return False; +} + +/* + * Historically, winbind was responsible for allocating RIDs, so the next RID + * value was stored in winbindd_idmap.tdb. It has been moved to passdb now, + * but for compatibility reasons we still keep the the next RID counter in + * winbindd_idmap.tdb. + */ + +/***************************************************************************** + Initialise idmap database. For now (Dec 2005) this is a copy of the code in + sam/idmap_tdb.c. Maybe at a later stage we can remove that capability from + winbind completely and store the RID counter in passdb.tdb. + + Dont' fully initialize with the HWM values, if it's new, we're only + interested in the RID counter. +*****************************************************************************/ + +static bool init_idmap_tdb(TDB_CONTEXT *tdb) +{ + int32 version; + + if (tdb_lock_bystring(tdb, "IDMAP_VERSION") != 0) { + DEBUG(0, ("Could not lock IDMAP_VERSION\n")); + return False; + } + + version = tdb_fetch_int32(tdb, "IDMAP_VERSION"); + + if (version == -1) { + /* No key found, must be a new db */ + if (tdb_store_int32(tdb, "IDMAP_VERSION", + IDMAP_VERSION) != 0) { + DEBUG(0, ("Could not store IDMAP_VERSION\n")); + tdb_unlock_bystring(tdb, "IDMAP_VERSION"); + return False; + } + version = IDMAP_VERSION; + } + + if (version != IDMAP_VERSION) { + DEBUG(0, ("Expected IDMAP_VERSION=%d, found %d. Please " + "start winbind once\n", IDMAP_VERSION, version)); + tdb_unlock_bystring(tdb, "IDMAP_VERSION"); + return False; + } + + tdb_unlock_bystring(tdb, "IDMAP_VERSION"); + return True; +} + +static bool tdbsam_new_rid(struct pdb_methods *methods, uint32 *prid) +{ + TDB_CONTEXT *tdb; + uint32 rid; + bool ret = False; + + tdb = tdb_open_log(state_path("winbindd_idmap.tdb"), 0, + TDB_DEFAULT, O_RDWR | O_CREAT, 0644); + + if (tdb == NULL) { + DEBUG(1, ("Could not open idmap: %s\n", strerror(errno))); + goto done; + } + + if (!init_idmap_tdb(tdb)) { + DEBUG(1, ("Could not init idmap\n")); + goto done; + } + + rid = BASE_RID; /* Default if not set */ + + if (!tdb_change_uint32_atomic(tdb, "RID_COUNTER", &rid, 1)) { + DEBUG(3, ("tdbsam_new_rid: Failed to increase RID_COUNTER\n")); + goto done; + } + + *prid = rid; + ret = True; + + done: + if ((tdb != NULL) && (tdb_close(tdb) != 0)) { + smb_panic("tdb_close(idmap_tdb) failed"); + } + + return ret; +} + +struct tdbsam_search_state { + struct pdb_methods *methods; + uint32_t acct_flags; + + uint32_t *rids; + uint32_t num_rids; + ssize_t array_size; + uint32_t current; +}; + +static int tdbsam_collect_rids(struct db_record *rec, void *private_data) +{ + struct tdbsam_search_state *state = talloc_get_type_abort( + private_data, struct tdbsam_search_state); + size_t prefixlen = strlen(RIDPREFIX); + uint32 rid; + + if ((rec->key.dsize < prefixlen) + || (strncmp((char *)rec->key.dptr, RIDPREFIX, prefixlen))) { + return 0; + } + + rid = strtoul((char *)rec->key.dptr+prefixlen, NULL, 16); + + ADD_TO_LARGE_ARRAY(state, uint32, rid, &state->rids, &state->num_rids, + &state->array_size); + + return 0; +} + +static void tdbsam_search_end(struct pdb_search *search) +{ + struct tdbsam_search_state *state = talloc_get_type_abort( + search->private_data, struct tdbsam_search_state); + TALLOC_FREE(state); +} + +static bool tdbsam_search_next_entry(struct pdb_search *search, + struct samr_displayentry *entry) +{ + struct tdbsam_search_state *state = talloc_get_type_abort( + search->private_data, struct tdbsam_search_state); + struct samu *user = NULL; + NTSTATUS status; + uint32_t rid; + + again: + TALLOC_FREE(user); + user = samu_new(talloc_tos()); + if (user == NULL) { + DEBUG(0, ("samu_new failed\n")); + return false; + } + + if (state->current == state->num_rids) { + return false; + } + + rid = state->rids[state->current++]; + + status = tdbsam_getsampwrid(state->methods, user, rid); + + if (NT_STATUS_EQUAL(status, NT_STATUS_NO_SUCH_USER)) { + /* + * Someone has deleted that user since we listed the RIDs + */ + goto again; + } + + if (!NT_STATUS_IS_OK(status)) { + DEBUG(10, ("tdbsam_getsampwrid failed: %s\n", + nt_errstr(status))); + TALLOC_FREE(user); + return false; + } + + if ((state->acct_flags != 0) && + ((state->acct_flags & pdb_get_acct_ctrl(user)) == 0)) { + goto again; + } + + entry->acct_flags = pdb_get_acct_ctrl(user); + entry->rid = rid; + entry->account_name = talloc_strdup( + search->mem_ctx, pdb_get_username(user)); + entry->fullname = talloc_strdup( + search->mem_ctx, pdb_get_fullname(user)); + entry->description = talloc_strdup( + search->mem_ctx, pdb_get_acct_desc(user)); + + TALLOC_FREE(user); + + if ((entry->account_name == NULL) || (entry->fullname == NULL) + || (entry->description == NULL)) { + DEBUG(0, ("talloc_strdup failed\n")); + return false; + } + + return true; +} + +static bool tdbsam_search_users(struct pdb_methods *methods, + struct pdb_search *search, + uint32 acct_flags) +{ + struct tdbsam_search_state *state; + + if (!tdbsam_open(tdbsam_filename)) { + DEBUG(0,("tdbsam_getsampwnam: failed to open %s!\n", + tdbsam_filename)); + return false; + } + + state = TALLOC_ZERO_P(search->mem_ctx, struct tdbsam_search_state); + if (state == NULL) { + DEBUG(0, ("talloc failed\n")); + return false; + } + state->acct_flags = acct_flags; + state->methods = methods; + + db_sam->traverse_read(db_sam, tdbsam_collect_rids, state); + + search->private_data = state; + search->next_entry = tdbsam_search_next_entry; + search->search_end = tdbsam_search_end; + + return true; +} + +/********************************************************************* + Initialize the tdb sam backend. Setup the dispath table of methods, + open the tdb, etc... +*********************************************************************/ + +static NTSTATUS pdb_init_tdbsam(struct pdb_methods **pdb_method, const char *location) +{ + NTSTATUS nt_status; + char *tdbfile = NULL; + const char *pfile = location; + + if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) { + return nt_status; + } + + (*pdb_method)->name = "tdbsam"; + + (*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; + (*pdb_method)->rename_sam_account = tdbsam_rename_sam_account; + (*pdb_method)->search_users = tdbsam_search_users; + + (*pdb_method)->rid_algorithm = tdbsam_rid_algorithm; + (*pdb_method)->new_rid = tdbsam_new_rid; + + /* save the path for later */ + + if (!location) { + if (asprintf(&tdbfile, "%s/%s", lp_private_dir(), + PASSDB_FILE_NAME) < 0) { + return NT_STATUS_NO_MEMORY; + } + pfile = tdbfile; + } + tdbsam_filename = SMB_STRDUP(pfile); + if (!tdbsam_filename) { + return NT_STATUS_NO_MEMORY; + } + SAFE_FREE(tdbfile); + + /* no private data */ + + (*pdb_method)->private_data = NULL; + (*pdb_method)->free_private_data = NULL; + + return NT_STATUS_OK; +} + +NTSTATUS pdb_tdbsam_init(void) +{ + return smb_register_passdb(PASSDB_INTERFACE_VERSION, "tdbsam", pdb_init_tdbsam); +} |