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-rw-r--r--source3/passdb/pdb_tdb.c938
1 files changed, 938 insertions, 0 deletions
diff --git a/source3/passdb/pdb_tdb.c b/source3/passdb/pdb_tdb.c
new file mode 100644
index 0000000000..a8edac917e
--- /dev/null
+++ b/source3/passdb/pdb_tdb.c
@@ -0,0 +1,938 @@
+/*
+ * Unix SMB/CIFS implementation.
+ * SMB parameters and setup
+ * Copyright (C) Andrew Tridgell 1992-1998
+ * Copyright (C) Simo Sorce 2000
+ * 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"
+
+#ifdef WITH_TDB_SAM
+
+#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;
+
+/* 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 lmpwlen, ntpwlen, hourslen;
+ BOOL ret = True;
+ BOOL setflag;
+ pstring sub_buffer;
+ struct passwd *pw;
+ uid_t uid;
+ 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,
+ &lmpwlen, &lm_pw_ptr,
+ &ntpwlen, &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;
+
+ passwd_free(&pw);
+
+ pdb_set_uid(sampass, uid);
+ pdb_set_gid(sampass, gid);
+ }
+
+ pdb_set_logon_time(sampass, logon_time, True);
+ pdb_set_logoff_time(sampass, logoff_time, True);
+ pdb_set_kickoff_time(sampass, kickoff_time, True);
+ pdb_set_pass_can_change_time(sampass, pass_can_change_time, True);
+ pdb_set_pass_must_change_time(sampass, pass_must_change_time, True);
+ pdb_set_pass_last_set_time(sampass, pass_last_set_time);
+
+ pdb_set_username (sampass, username);
+ pdb_set_domain (sampass, domain);
+ pdb_set_nt_username (sampass, nt_username);
+ pdb_set_fullname (sampass, fullname);
+
+ if (homedir) setflag = True;
+ else {
+ setflag = False;
+ pstrcpy(sub_buffer, lp_logon_home());
+ /* standard_sub_advanced() assumes pstring is passed!! */
+ standard_sub_advanced(-1, username, "", gid, username, sub_buffer);
+ homedir = strdup(sub_buffer);
+ if(!homedir) { ret = False; goto done; }
+ DEBUG(5,("Home directory set back to %s\n", homedir));
+ }
+ pdb_set_homedir(sampass, homedir, setflag);
+
+ if (dir_drive) setflag = True;
+ else {
+ setflag = False;
+ pstrcpy(sub_buffer, lp_logon_drive());
+ standard_sub_advanced(-1, username, "", gid, username, sub_buffer);
+ dir_drive = strdup(sub_buffer);
+ if(!dir_drive) { ret = False; goto done; }
+ DEBUG(5,("Drive set back to %s\n", dir_drive));
+ }
+ pdb_set_dir_drive(sampass, dir_drive, setflag);
+
+ if (logon_script) setflag = True;
+ else {
+ setflag = False;
+ pstrcpy(sub_buffer, lp_logon_script());
+ standard_sub_advanced(-1, username, "", gid, username, sub_buffer);
+ logon_script = strdup(sub_buffer);
+ if(!logon_script) { ret = False; goto done; }
+ DEBUG(5,("Logon script set back to %s\n", logon_script));
+ }
+ pdb_set_logon_script(sampass, logon_script, setflag);
+
+ if (profile_path) setflag = True;
+ else {
+ setflag = False;
+ pstrcpy(sub_buffer, lp_logon_path());
+ standard_sub_advanced(-1, username, "", gid, username, sub_buffer);
+ profile_path = strdup(sub_buffer);
+ if(!profile_path) { ret = False; goto done; }
+ DEBUG(5,("Profile path set back to %s\n", profile_path));
+ }
+ pdb_set_profile_path(sampass, profile_path, setflag);
+
+ pdb_set_acct_desc (sampass, acct_desc);
+ pdb_set_workstations (sampass, workstations);
+ pdb_set_munged_dial (sampass, munged_dial);
+ if (!pdb_set_lanman_passwd(sampass, lm_pw_ptr)) {
+ ret = False;
+ goto done;
+ }
+ if (!pdb_set_nt_passwd(sampass, nt_pw_ptr)) {
+ ret = False;
+ goto done;
+ }
+
+ pdb_set_user_rid(sampass, user_rid);
+ pdb_set_group_rid(sampass, group_rid);
+ pdb_set_unknown_3(sampass, unknown_3);
+ pdb_set_hours_len(sampass, hours_len);
+ pdb_set_unknown_5(sampass, unknown_5);
+ pdb_set_unknown_6(sampass, unknown_6);
+ pdb_set_acct_ctrl(sampass, acct_ctrl);
+ pdb_set_logon_divs(sampass, logon_divs);
+ pdb_set_hours(sampass, hours);
+
+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_SET(sampass, FLAG_SAM_DRIVE)) dir_drive = pdb_get_dirdrive(sampass);
+ else dir_drive = NULL;
+ if (dir_drive) dir_drive_len = strlen(dir_drive) +1;
+ else dir_drive_len = 0;
+
+ if (IS_SAM_SET(sampass, FLAG_SAM_SMBHOME)) homedir = pdb_get_homedir(sampass);
+ else homedir = NULL;
+ if (homedir) homedir_len = strlen(homedir) +1;
+ else homedir_len = 0;
+
+ if (IS_SAM_SET(sampass, FLAG_SAM_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_SET(sampass, FLAG_SAM_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_unknown3(sampass),
+ pdb_get_logon_divs(sampass),
+ pdb_get_hours_len(sampass),
+ MAX_HOURS_LEN, pdb_get_hours(sampass),
+ pdb_get_unknown5(sampass),
+ pdb_get_unknown6(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_unknown3(sampass),
+ pdb_get_logon_divs(sampass),
+ pdb_get_hours_len(sampass),
+ MAX_HOURS_LEN, pdb_get_hours(sampass),
+ pdb_get_unknown5(sampass),
+ pdb_get_unknown6(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 BOOL tdbsam_setsampwent(struct pdb_context *context, BOOL update)
+{
+ struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->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 False;
+ }
+
+ tdb_state->key = tdb_firstkey(tdb_state->passwd_tdb);
+
+ return True;
+}
+
+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_context *context)
+{
+ struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->private_data;
+ close_tdb(tdb_state);
+
+ DEBUG(7, ("endtdbpwent: closed sam database.\n"));
+}
+
+/*****************************************************************
+ Get one SAM_ACCOUNT from the TDB (next in line)
+*****************************************************************/
+
+static BOOL tdbsam_getsampwent(struct pdb_context *context, SAM_ACCOUNT *user)
+{
+ struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->private_data;
+ TDB_DATA data;
+ char *prefix = USERPREFIX;
+ int prefixlen = strlen (prefix);
+
+
+ if (user==NULL) {
+ DEBUG(0,("pdb_get_sampwent: SAM_ACCOUNT is NULL.\n"));
+ return False;
+ }
+
+ /* 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 interation pointer? */
+ if(tdb_state->passwd_tdb == NULL) {
+ DEBUG(0,("pdb_get_sampwent: Bad TDB Context pointer.\n"));
+ return False;
+ }
+
+ data = tdb_fetch(tdb_state->passwd_tdb, tdb_state->key);
+ if (!data.dptr) {
+ DEBUG(5,("pdb_getsampwent: database entry not found.\n"));
+ return False;
+ }
+
+ /* 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 False;
+ }
+ SAFE_FREE(data.dptr);
+
+ /* increment to next in line */
+ tdb_state->key = tdb_nextkey(tdb_state->passwd_tdb, tdb_state->key);
+
+ return True;
+}
+
+/******************************************************************
+ Lookup a name in the SAM TDB
+******************************************************************/
+
+static BOOL tdbsam_getsampwnam (struct pdb_context *context, SAM_ACCOUNT *user, const char *sname)
+{
+ struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->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 False;
+ }
+
+ /* 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 False;
+ }
+
+ /* 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 False;
+ }
+
+ /* 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 False;
+ }
+ SAFE_FREE(data.dptr);
+
+ /* no further use for database, close it now */
+ tdb_close(pwd_tdb);
+
+ return True;
+}
+
+/***************************************************************************
+ Search by rid
+ **************************************************************************/
+
+static BOOL tdbsam_getsampwrid (struct pdb_context *context, SAM_ACCOUNT *user, uint32 rid)
+{
+ struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->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 False;
+ }
+
+ /* 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 False;
+ }
+
+ /* 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 False;
+ }
+
+ fstrcpy (name, data.dptr);
+ SAFE_FREE(data.dptr);
+
+ tdb_close (pwd_tdb);
+
+ return tdbsam_getsampwnam (context, user, name);
+}
+
+/***************************************************************************
+ Delete a SAM_ACCOUNT
+****************************************************************************/
+
+static BOOL tdbsam_delete_sam_account(struct pdb_context *context, const SAM_ACCOUNT *sam_pass)
+{
+ struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->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 False;
+ }
+
+ /* 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 False;
+ }
+
+ /* 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 False;
+ }
+
+ tdb_close(pwd_tdb);
+
+ return True;
+}
+
+/***************************************************************************
+ Update the TDB SAM
+****************************************************************************/
+
+static BOOL tdb_update_sam(struct pdb_context *context, const SAM_ACCOUNT* newpwd, int flag)
+{
+ struct tdbsam_privates *tdb_state = (struct tdbsam_privates *)context->pdb_selected->private_data;
+ TDB_CONTEXT *pwd_tdb = NULL;
+ TDB_DATA key, data;
+ uint8 *buf = NULL;
+ fstring keystr;
+ fstring name;
+ BOOL ret = True;
+ uint32 user_rid;
+ int32 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) {
+ user_rid = BASE_RID;
+ tdb_ret = tdb_change_int32_atomic(pwd_tdb, "RID_COUNTER", &user_rid, RID_MULTIPLIER);
+ if (tdb_ret == -1) {
+ ret = False;
+ goto done;
+ }
+ pdb_set_user_rid(newpwd, user_rid);
+ } 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_rid(newpwd, DOMAIN_GROUP_RID_USERS);
+ }
+ } 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 BOOL tdbsam_update_sam_account (struct pdb_context *context, const SAM_ACCOUNT *newpwd)
+{
+ return (tdb_update_sam(context, newpwd, TDB_MODIFY));
+}
+
+/***************************************************************************
+ Adds an existing SAM_ACCOUNT
+****************************************************************************/
+
+static BOOL tdbsam_add_sam_account (struct pdb_context *context, const SAM_ACCOUNT *newpwd)
+{
+ return (tdb_update_sam(context, newpwd, TDB_INSERT));
+}
+
+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 */
+}
+
+
+NTSTATUS pdb_init_tdbsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
+{
+ NTSTATUS nt_status;
+ struct tdbsam_privates *tdb_state;
+
+ 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)->getsampwrid = tdbsam_getsampwrid;
+ (*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);
+ }
+
+ (*pdb_method)->private_data = tdb_state;
+
+ (*pdb_method)->free_private_data = free_private_data;
+
+ return NT_STATUS_OK;
+}
+
+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;
+}
+
+
+#else
+
+NTSTATUS pdb_init_tdbsam(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
+{
+ DEBUG(0, ("tdbsam not compiled in!\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+}
+
+NTSTATUS pdb_init_tdbsam_nua(PDB_CONTEXT *pdb_context, PDB_METHODS **pdb_method, const char *location)
+{
+ DEBUG(0, ("tdbsam_nua not compiled in!\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+}
+
+
+#endif