* 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) Jeremy Allison 2001-2009
* Copyright (C) Andrew Bartlett 2002
* Copyright (C) Jim McDonough <jmcd@us.ibm.com> 2005
*
* 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.
+ * this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
+#include "system/filesys.h"
+#include "passdb.h"
+#include "dbwrap/dbwrap.h"
+#include "dbwrap/dbwrap_open.h"
+#include "../libcli/security/security.h"
+#include "util_tdb.h"
+#include "passdb/pdb_tdb.h"
#if 0 /* when made a module use this */
#endif
-#define TDBSAM_VERSION 3 /* Most recent TDBSAM version */
+#define TDBSAM_VERSION 4 /* Most recent TDBSAM version */
+#define TDBSAM_MINOR_VERSION 0 /* Most recent TDBSAM minor version */
#define TDBSAM_VERSION_STRING "INFO/version"
+#define TDBSAM_MINOR_VERSION_STRING "INFO/minor_version"
#define PASSDB_FILE_NAME "passdb.tdb"
#define USERPREFIX "USER_"
+#define USERPREFIX_LEN 5
#define RIDPREFIX "RID_"
#define PRIVPREFIX "PRIV_"
-
-struct pwent_list {
- struct pwent_list *prev, *next;
- TDB_DATA key;
-};
-static struct pwent_list *tdbsam_pwent_list;
-static BOOL pwent_initialized;
+#define NEXT_RID_STRING "NEXT_RID"
/* GLOBAL TDB SAM CONTEXT */
-static TDB_CONTEXT *tdbsam;
-static int ref_count = 0;
-static pstring tdbsam_filename;
-
-/**********************************************************************
- Marshall/unmarshall struct samu structs.
- *********************************************************************/
+static struct db_context *db_sam;
+static char *tdbsam_filename;
+static bool map_builtin;
-#define TDB_FORMAT_STRING_V0 "ddddddBBBBBBBBBBBBddBBwdwdBwwd"
-#define TDB_FORMAT_STRING_V1 "dddddddBBBBBBBBBBBBddBBwdwdBwwd"
-#define TDB_FORMAT_STRING_V2 "dddddddBBBBBBBBBBBBddBBBwwdBwwd"
-
-/*********************************************************************
-*********************************************************************/
+struct tdbsam_convert_state {
+ int32_t from;
+ bool success;
+};
-static BOOL init_sam_from_buffer_v0(struct samu *sampass, uint8 *buf, uint32 buflen)
+static int tdbsam_convert_one(struct db_record *rec, void *priv)
{
-
- /* 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) {
+ struct tdbsam_convert_state *state =
+ (struct tdbsam_convert_state *)priv;
+ struct samu *user;
+ TDB_DATA data;
+ NTSTATUS status;
+ bool ret;
+ TDB_DATA key;
+ TDB_DATA value;
+
+ key = dbwrap_record_get_key(rec);
+
+ if (key.dsize < USERPREFIX_LEN) {
+ return 0;
+ }
+ if (strncmp((char *)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", (char *)key.dptr, state->from));
+
+ value = dbwrap_record_get_value(rec);
+
+ switch (state->from) {
+ case 0:
+ ret = init_samu_from_buffer(user, SAMU_BUFFER_V0,
+ (uint8_t *)value.dptr,
+ value.dsize);
+ break;
+ case 1:
+ ret = init_samu_from_buffer(user, SAMU_BUFFER_V1,
+ (uint8_t *)value.dptr,
+ value.dsize);
+ break;
+ case 2:
+ ret = init_samu_from_buffer(user, SAMU_BUFFER_V2,
+ (uint8_t *)value.dptr,
+ value.dsize);
+ break;
+ case 3:
+ ret = init_samu_from_buffer(user, SAMU_BUFFER_V3,
+ (uint8_t *)value.dptr,
+ value.dsize);
+ break;
+ case 4:
+ ret = init_samu_from_buffer(user, SAMU_BUFFER_V4,
+ (uint8_t *)value.dptr,
+ value.dsize);
+ break;
+ default:
+ /* unknown tdbsam version */
ret = False;
- goto done;
+ }
+ if (!ret) {
+ DEBUG(0,("tdbsam_convert: Bad struct samu entry returned "
+ "from TDB (key:%s) (version:%d)\n", (char *)key.dptr,
+ state->from));
+ TALLOC_FREE(user);
+ state->success = false;
+ return -1;
}
- 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);
+ data.dsize = init_buffer_from_samu(&data.dptr, user, false);
+ TALLOC_FREE(user);
- 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 (data.dsize == -1) {
+ DEBUG(0,("tdbsam_convert: cannot pack the struct samu into "
+ "the new format\n"));
+ state->success = false;
+ return -1;
}
- 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);
+ status = dbwrap_record_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;
}
- 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);
- }
+ return 0;
+}
- 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);
+/**********************************************************************
+ Struct and function to backup an old record.
+ *********************************************************************/
- 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;
- }
- }
+struct tdbsam_backup_state {
+ struct db_context *new_db;
+ bool success;
+};
- 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;
- }
+static int backup_copy_fn(struct db_record *orig_rec, void *state)
+{
+ struct tdbsam_backup_state *bs = (struct tdbsam_backup_state *)state;
+ struct db_record *new_rec;
+ NTSTATUS status;
+ TDB_DATA key;
+ TDB_DATA value;
+
+ key = dbwrap_record_get_key(orig_rec);
+
+ new_rec = dbwrap_fetch_locked(bs->new_db, talloc_tos(), key);
+ if (new_rec == NULL) {
+ bs->success = false;
+ return 1;
}
- 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);
+ value = dbwrap_record_get_value(orig_rec);
-done:
+ status = dbwrap_record_store(new_rec, value, TDB_INSERT);
- 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);
+ TALLOC_FREE(new_rec);
- return ret;
+ if (!NT_STATUS_IS_OK(status)) {
+ bs->success = false;
+ return 1;
+ }
+ return 0;
}
-/*********************************************************************
-*********************************************************************/
+/**********************************************************************
+ Make a backup of an old passdb and replace the new one with it. We
+ have to do this as between 3.0.x and 3.2.x the hash function changed
+ by mistake (used unsigned char * instead of char *). This means the
+ previous simple update code will fail due to not being able to find
+ existing records to replace in the tdbsam_convert_one() function. JRA.
+ *********************************************************************/
-static BOOL init_sam_from_buffer_v1(struct samu *sampass, uint8 *buf, uint32 buflen)
+static bool tdbsam_convert_backup(const char *dbname, struct db_context **pp_db)
{
+ TALLOC_CTX *frame = talloc_stackframe();
+ const char *tmp_fname = NULL;
+ struct db_context *tmp_db = NULL;
+ struct db_context *orig_db = *pp_db;
+ struct tdbsam_backup_state bs;
+ NTSTATUS status;
- /* 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;
+ tmp_fname = talloc_asprintf(frame, "%s.tmp", dbname);
+ if (!tmp_fname) {
+ TALLOC_FREE(frame);
+ return false;
}
- 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);
+ unlink(tmp_fname);
- /* 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);
+ /* Remember to open this on the NULL context. We need
+ * it to stay around after we return from here. */
- 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);
+ tmp_db = db_open(NULL, tmp_fname, 0,
+ TDB_DEFAULT, O_CREAT|O_RDWR, 0600,
+ DBWRAP_LOCK_ORDER_1, DBWRAP_FLAG_NONE);
+ if (tmp_db == NULL) {
+ DEBUG(0, ("tdbsam_convert_backup: Failed to create backup TDB passwd "
+ "[%s]\n", tmp_fname));
+ TALLOC_FREE(frame);
+ return false;
+ }
- if (homedir) {
- pdb_set_homedir(sampass, homedir, PDB_SET);
+ if (dbwrap_transaction_start(orig_db) != 0) {
+ DEBUG(0, ("tdbsam_convert_backup: Could not start transaction (1)\n"));
+ unlink(tmp_fname);
+ TALLOC_FREE(tmp_db);
+ TALLOC_FREE(frame);
+ return false;
}
- else {
- pdb_set_homedir(sampass,
- talloc_sub_basic(sampass, username, domain,
- lp_logon_home()),
- PDB_DEFAULT);
+ if (dbwrap_transaction_start(tmp_db) != 0) {
+ DEBUG(0, ("tdbsam_convert_backup: Could not start transaction (2)\n"));
+ dbwrap_transaction_cancel(orig_db);
+ unlink(tmp_fname);
+ TALLOC_FREE(tmp_db);
+ TALLOC_FREE(frame);
+ return false;
}
- 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);
+ bs.new_db = tmp_db;
+ bs.success = true;
+
+ status = dbwrap_traverse(orig_db, backup_copy_fn, (void *)&bs, NULL);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, ("tdbsam_convert_backup: traverse failed\n"));
+ goto cancel;
+ }
+
+ if (!bs.success) {
+ DEBUG(0, ("tdbsam_convert_backup: Rewriting records failed\n"));
+ goto cancel;
}
- 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 (dbwrap_transaction_commit(orig_db) != 0) {
+ smb_panic("tdbsam_convert_backup: orig commit failed\n");
}
-
- 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);
+ if (dbwrap_transaction_commit(tmp_db) != 0) {
+ smb_panic("tdbsam_convert_backup: orig commit failed\n");
}
- 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);
+ /* be sure to close the DBs _before_ renaming the file */
- 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;
- }
- }
+ TALLOC_FREE(orig_db);
+ TALLOC_FREE(tmp_db);
- 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;
- }
+ /* This is safe from other users as we know we're
+ * under a mutex here. */
+
+ if (rename(tmp_fname, dbname) == -1) {
+ DEBUG(0, ("tdbsam_convert_backup: rename of %s to %s failed %s\n",
+ tmp_fname,
+ dbname,
+ strerror(errno)));
+ smb_panic("tdbsam_convert_backup: replace passdb failed\n");
}
- pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
+ TALLOC_FREE(frame);
- 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);
+ /* re-open the converted TDB */
-done:
+ orig_db = db_open(NULL, dbname, 0,
+ TDB_DEFAULT, O_CREAT|O_RDWR, 0600,
+ DBWRAP_LOCK_ORDER_1, DBWRAP_FLAG_NONE);
+ if (orig_db == NULL) {
+ DEBUG(0, ("tdbsam_convert_backup: Failed to re-open "
+ "converted passdb TDB [%s]\n", dbname));
+ return false;
+ }
- 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);
+ DEBUG(1, ("tdbsam_convert_backup: updated %s file.\n",
+ dbname ));
- return ret;
-}
+ /* Replace the global db pointer. */
+ *pp_db = orig_db;
+ return true;
-BOOL init_sam_from_buffer_v2(struct samu *sampass, uint8 *buf, uint32 buflen)
-{
+ cancel:
- /* 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 tmpstring;
- 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;
+ if (dbwrap_transaction_cancel(orig_db) != 0) {
+ smb_panic("tdbsam_convert: transaction_cancel failed");
}
- 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( tmpstring, homedir );
- if (expand_explicit) {
- standard_sub_basic( username, domain, tmpstring,
- sizeof(tmpstring) );
- }
- pdb_set_homedir(sampass, tmpstring, PDB_SET);
- }
- else {
- pdb_set_homedir(sampass,
- talloc_sub_basic(sampass, username, domain,
- lp_logon_home()),
- PDB_DEFAULT);
+ if (dbwrap_transaction_cancel(tmp_db) != 0) {
+ smb_panic("tdbsam_convert: transaction_cancel failed");
}
- if (dir_drive)
- pdb_set_dir_drive(sampass, dir_drive, PDB_SET);
- else
- pdb_set_dir_drive(sampass, lp_logon_drive(), PDB_DEFAULT );
+ unlink(tmp_fname);
+ TALLOC_FREE(tmp_db);
+ TALLOC_FREE(frame);
+ return false;
+}
- if (logon_script) {
- fstrcpy( tmpstring, logon_script );
- if (expand_explicit) {
- standard_sub_basic( username, domain, tmpstring,
- sizeof(tmpstring) );
- }
- pdb_set_logon_script(sampass, tmpstring, PDB_SET);
- }
- else {
- pdb_set_logon_script(sampass,
- talloc_sub_basic(sampass, username, domain,
- lp_logon_script()),
- PDB_DEFAULT);
- }
-
- if (profile_path) {
- fstrcpy( tmpstring, profile_path );
- if (expand_explicit) {
- standard_sub_basic( username, domain, tmpstring,
- sizeof(tmpstring) );
- }
- pdb_set_profile_path(sampass, tmpstring, 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;
- }
+static bool tdbsam_upgrade_next_rid(struct db_context *db)
+{
+ TDB_CONTEXT *tdb;
+ uint32_t rid;
+ bool ok = false;
+ NTSTATUS status;
+ char *db_path;
+
+ status = dbwrap_fetch_uint32_bystring(db, NEXT_RID_STRING, &rid);
+ if (NT_STATUS_IS_OK(status)) {
+ return true;
}
- 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;
- }
+ db_path = state_path("winbindd_idmap.tdb");
+ if (db_path == NULL) {
+ return false;
}
- /* 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;
+ tdb = tdb_open_log(db_path, 0,
+ TDB_DEFAULT, O_RDONLY, 0644);
+ TALLOC_FREE(db_path);
+ if (tdb) {
+ ok = tdb_fetch_uint32(tdb, "RID_COUNTER", &rid);
+ if (!ok) {
+ rid = BASE_RID;
}
- SAFE_FREE(pw_hist);
+ tdb_close(tdb);
} else {
- pdb_set_pw_history(sampass, NULL, 0, PDB_SET);
+ rid = BASE_RID;
}
- 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);
+ status = dbwrap_store_uint32_bystring(db, NEXT_RID_STRING, rid);
+ if (!NT_STATUS_IS_OK(status)) {
+ return false;
+ }
-done:
+ return true;
+}
- 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);
+static bool tdbsam_convert(struct db_context **pp_db, const char *name, int32_t from)
+{
+ struct tdbsam_convert_state state;
+ struct db_context *db = NULL;
+ NTSTATUS status;
- return ret;
-}
+ /* We only need the update backup for local db's. */
+ if (db_is_local(name) && !tdbsam_convert_backup(name, pp_db)) {
+ DEBUG(0, ("tdbsam_convert: Could not backup %s\n", name));
+ return false;
+ }
+ db = *pp_db;
+ state.from = from;
+ state.success = true;
-/**********************************************************************
- Intialize a struct samu struct from a BYTE buffer of size len
- *********************************************************************/
+ if (dbwrap_transaction_start(db) != 0) {
+ DEBUG(0, ("tdbsam_convert: Could not start transaction\n"));
+ return false;
+ }
-static BOOL init_sam_from_buffer(struct samu *sampass, uint8 *buf, uint32 buflen)
-{
- return init_sam_from_buffer_v3(sampass, buf, buflen);
-}
+ if (!tdbsam_upgrade_next_rid(db)) {
+ DEBUG(0, ("tdbsam_convert: tdbsam_upgrade_next_rid failed\n"));
+ goto cancel;
+ }
-/**********************************************************************
- Intialize a BYTE buffer from a struct samu struct
- *********************************************************************/
+ status = dbwrap_traverse(db, tdbsam_convert_one, &state, NULL);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, ("tdbsam_convert: traverse failed\n"));
+ goto cancel;
+ }
-static uint32 init_buffer_from_sam (uint8 **buf, struct samu *sampass, BOOL size_only)
-{
- return init_buffer_from_sam_v3(buf, sampass, size_only);
-}
+ if (!state.success) {
+ DEBUG(0, ("tdbsam_convert: Converting records failed\n"));
+ goto cancel;
+ }
-/**********************************************************************
- Intialize a BYTE buffer from a struct samu struct
- *********************************************************************/
+ status = dbwrap_store_int32_bystring(db, TDBSAM_VERSION_STRING,
+ TDBSAM_VERSION);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, ("tdbsam_convert: Could not store tdbsam version: "
+ "%s\n", nt_errstr(status)));
+ goto cancel;
+ }
-static BOOL tdbsam_convert(int32 from)
-{
- const char *vstring = TDBSAM_VERSION_STRING;
- const char *prefix = USERPREFIX;
- TDB_DATA data, key, old_key;
- uint8 *buf = NULL;
- BOOL ret;
-
- /* handle a Samba upgrade */
- tdb_lock_bystring(tdbsam, vstring);
-
- /* Enumerate all records and convert them */
- key = tdb_firstkey(tdbsam);
+ status = dbwrap_store_int32_bystring(db, TDBSAM_MINOR_VERSION_STRING,
+ TDBSAM_MINOR_VERSION);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, ("tdbsam_convert: Could not store tdbsam minor "
+ "version: %s\n", nt_errstr(status)));
+ goto cancel;
+ }
- while (key.dptr) {
-
- /* skip all non-USER entries (eg. RIDs) */
- while ((key.dsize != 0) && (strncmp((const char *)key.dptr, prefix, strlen (prefix)))) {
- old_key = key;
- /* increment to next in line */
- key = tdb_nextkey(tdbsam, key);
- SAFE_FREE(old_key.dptr);
- }
-
- if (key.dptr) {
- struct samu *user = NULL;
-
- /* read from tdbsam */
- data = tdb_fetch(tdbsam, key);
- if (!data.dptr) {
- DEBUG(0,("tdbsam_convert: database entry not found: %s.\n",key.dptr));
- return False;
- }
-
- /* unpack the buffer from the former format */
- if ( !(user = samu_new( NULL )) ) {
- DEBUG(0,("tdbsam_convert: samu_new() failed!\n"));
- SAFE_FREE( data.dptr );
- return False;
- }
- DEBUG(10,("tdbsam_convert: Try unpacking a record with (key:%s) (version:%d)\n", key.dptr, from));
- switch (from) {
- case 0:
- ret = init_sam_from_buffer_v0(user, (uint8 *)data.dptr, data.dsize);
- break;
- case 1:
- ret = init_sam_from_buffer_v1(user, (uint8 *)data.dptr, data.dsize);
- break;
- case 2:
- ret = init_sam_from_buffer_v2(user, (uint8 *)data.dptr, data.dsize);
- break;
- case 3:
- ret = init_sam_from_buffer_v3(user, (uint8 *)data.dptr, data.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", key.dptr, from));
- SAFE_FREE(data.dptr);
- TALLOC_FREE(user );
- return False;
- }
-
- /* We're finished with the old data. */
- SAFE_FREE(data.dptr);
-
- /* pack from the buffer into the new format */
-
- DEBUG(10,("tdbsam_convert: Try packing a record (key:%s) (version:%d)\n",
- (const char *)key.dptr, from));
- data.dsize = init_buffer_from_sam (&buf, user, False);
- TALLOC_FREE(user );
-
- if ( data.dsize == -1 ) {
- DEBUG(0,("tdbsam_convert: cannot pack the struct samu into the new format\n"));
- return False;
- }
- data.dptr = buf;
-
- /* Store the buffer inside the TDBSAM */
- if (tdb_store(tdbsam, key, data, TDB_MODIFY) != TDB_SUCCESS) {
- DEBUG(0,("tdbsam_convert: cannot store the struct samu (key:%s) in new format\n",key.dptr));
- SAFE_FREE(data.dptr);
- return False;
- }
-
- SAFE_FREE(data.dptr);
-
- /* increment to next in line */
- old_key = key;
- key = tdb_nextkey(tdbsam, key);
- SAFE_FREE(old_key.dptr);
- }
-
+ if (dbwrap_transaction_commit(db) != 0) {
+ DEBUG(0, ("tdbsam_convert: Could not commit transaction\n"));
+ return false;
}
-
- /* upgrade finished */
- tdb_store_int32(tdbsam, vstring, TDBSAM_VERSION);
- tdb_unlock_bystring(tdbsam, vstring);
+ return true;
- return(True);
+ cancel:
+ if (dbwrap_transaction_cancel(db) != 0) {
+ smb_panic("tdbsam_convert: transaction_cancel failed");
+ }
+
+ return false;
}
/*********************************************************************
Uses a reference count to allow multiple open calls.
*********************************************************************/
-static BOOL tdbsam_open( const char *name )
+static bool tdbsam_open( const char *name )
{
- int32 version;
-
+ int32_t version;
+ int32_t minor_version;
+ NTSTATUS status;
+
/* check if we are already open */
-
- if ( tdbsam ) {
- ref_count++;
- DEBUG(8,("tdbsam_open: Incrementing open reference count. Ref count is now %d\n",
- ref_count));
- return True;
- }
-
- SMB_ASSERT( ref_count == 0 );
-
- /* Try to open tdb passwd. Create a new one if necessary */
-
- if (!(tdbsam = tdb_open_log(name, 0, TDB_DEFAULT, O_CREAT|O_RDWR, 0600))) {
- DEBUG(0, ("tdbsam_open: Failed to open/create TDB passwd [%s]\n", name));
- return False;
+
+ if ( db_sam ) {
+ return true;
}
- /* set the initial reference count - must be done before tdbsam_convert
- as that calls tdbsam_open()/tdbsam_close(). */
+ /* Try to open tdb passwd. Create a new one if necessary */
- ref_count = 1;
+ db_sam = db_open(NULL, name, 0, TDB_DEFAULT, O_CREAT|O_RDWR, 0600,
+ DBWRAP_LOCK_ORDER_1, DBWRAP_FLAG_NONE);
+ if (db_sam == NULL) {
+ DEBUG(0, ("tdbsam_open: Failed to open/create TDB passwd "
+ "[%s]\n", name));
+ return false;
+ }
/* Check the version */
- version = tdb_fetch_int32( tdbsam, TDBSAM_VERSION_STRING );
-
- if (version == -1) {
+ status = dbwrap_fetch_int32_bystring(db_sam, TDBSAM_VERSION_STRING,
+ &version);
+ if (!NT_STATUS_IS_OK(status)) {
version = 0; /* Version not found, assume version 0 */
}
-
+
+ /* Get the minor version */
+ status = dbwrap_fetch_int32_bystring(
+ db_sam, TDBSAM_MINOR_VERSION_STRING, &minor_version);
+ if (!NT_STATUS_IS_OK(status)) {
+ minor_version = 0; /* Minor version not found, assume 0 */
+ }
+
/* Compare the version */
if (version > TDBSAM_VERSION) {
- /* Version more recent than the latest known */
+ /* Version more recent than the latest known */
DEBUG(0, ("tdbsam_open: unknown version => %d\n", version));
- tdb_close( tdbsam );
- ref_count = 0;
- return False;
- }
-
-
- if ( version < TDBSAM_VERSION ) {
- DEBUG(1, ("tdbsam_open: Converting version %d database to version %d.\n",
- version, TDBSAM_VERSION));
-
- if ( !tdbsam_convert(version) ) {
- DEBUG(0, ("tdbsam_open: Error when trying to convert tdbsam [%s]\n",name));
- tdb_close(tdbsam);
- ref_count = 0;
- return False;
+ TALLOC_FREE(db_sam);
+ return false;
+ }
+
+ if ( version < TDBSAM_VERSION ||
+ (version == TDBSAM_VERSION &&
+ minor_version < TDBSAM_MINOR_VERSION) ) {
+ /*
+ * Ok - we think we're going to have to convert.
+ * Due to the backup process we now must do to
+ * upgrade we have to get a mutex and re-check
+ * the version. Someone else may have upgraded
+ * whilst we were checking.
+ */
+
+ struct named_mutex *mtx = grab_named_mutex(NULL,
+ "tdbsam_upgrade_mutex",
+ 600);
+
+ if (!mtx) {
+ DEBUG(0, ("tdbsam_open: failed to grab mutex.\n"));
+ TALLOC_FREE(db_sam);
+ return false;
}
-
- DEBUG(3, ("TDBSAM converted successfully.\n"));
- }
-
- DEBUG(4,("tdbsam_open: successfully opened %s\n", name ));
-
- return True;
-}
-
-/****************************************************************************
- wrapper atound tdb_close() to handle the reference count
-****************************************************************************/
-
-void tdbsam_close( void )
-{
- ref_count--;
-
- DEBUG(8,("tdbsam_close: Reference count is now %d.\n", ref_count));
-
- SMB_ASSERT(ref_count >= 0 );
-
- if ( ref_count == 0 ) {
- tdb_close( tdbsam );
- tdbsam = NULL;
- }
-
- return;
-}
-
-/****************************************************************************
- creates a list of user keys
-****************************************************************************/
-static int tdbsam_traverse_setpwent(TDB_CONTEXT *t, TDB_DATA key, TDB_DATA data, void *state)
-{
- const char *prefix = USERPREFIX;
- int prefixlen = strlen (prefix);
- struct pwent_list *ptr;
-
- if ( strncmp((const char *)key.dptr, prefix, prefixlen) == 0 ) {
- if ( !(ptr=SMB_MALLOC_P(struct pwent_list)) ) {
- DEBUG(0,("tdbsam_traverse_setpwent: Failed to malloc new entry for list\n"));
-
- /* just return 0 and let the traversal continue */
- return 0;
+ /* Re-check the version */
+ status = dbwrap_fetch_int32_bystring(
+ db_sam, TDBSAM_VERSION_STRING, &version);
+ if (!NT_STATUS_IS_OK(status)) {
+ version = 0; /* Version not found, assume version 0 */
}
- ZERO_STRUCTP(ptr);
-
- /* save a copy of the key */
-
- ptr->key.dptr = (uint8 *)memdup( key.dptr, key.dsize );
- if (!ptr->key.dptr) {
- DEBUG(0,("tdbsam_traverse_setpwent: memdup failed\n"));
- /* just return 0 and let the traversal continue */
- SAFE_FREE(ptr);
- return 0;
- }
-
- ptr->key.dsize = key.dsize;
-
- DLIST_ADD( tdbsam_pwent_list, ptr );
-
- }
-
- return 0;
-}
-
-/***************************************************************
- Open the TDB passwd database for SAM account enumeration.
- Save a list of user keys for iteration.
-****************************************************************/
-
-static NTSTATUS tdbsam_setsampwent(struct pdb_methods *my_methods, BOOL update, uint32 acb_mask)
-{
- if ( !tdbsam_open( tdbsam_filename ) ) {
- DEBUG(0,("tdbsam_getsampwnam: failed to open %s!\n", tdbsam_filename));
- return NT_STATUS_ACCESS_DENIED;
- }
-
- tdb_traverse( tdbsam, tdbsam_traverse_setpwent, NULL );
- pwent_initialized = True;
-
- return NT_STATUS_OK;
-}
-
-
-/***************************************************************
- End enumeration of the TDB passwd list.
-****************************************************************/
-
-static void tdbsam_endsampwent(struct pdb_methods *my_methods)
-{
- struct pwent_list *ptr, *ptr_next;
-
- /* close the tdb only if we have a valid pwent state */
-
- if ( pwent_initialized ) {
- DEBUG(7, ("endtdbpwent: closed sam database.\n"));
- tdbsam_close();
- }
-
- /* clear out any remaining entries in the list */
-
- for ( ptr=tdbsam_pwent_list; ptr; ptr = ptr_next ) {
- ptr_next = ptr->next;
- DLIST_REMOVE( tdbsam_pwent_list, ptr );
- SAFE_FREE( ptr->key.dptr);
- SAFE_FREE( ptr );
- }
-
- pwent_initialized = False;
-}
-/*****************************************************************
- Get one struct samu from the TDB (next in line)
-*****************************************************************/
+ /* Re-check the minor version */
+ status = dbwrap_fetch_int32_bystring(
+ db_sam, TDBSAM_MINOR_VERSION_STRING, &minor_version);
+ if (!NT_STATUS_IS_OK(status)) {
+ minor_version = 0; /* Minor version not found, assume 0 */
+ }
-static NTSTATUS tdbsam_getsampwent(struct pdb_methods *my_methods, struct samu *user)
-{
- NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
- TDB_DATA data;
- struct pwent_list *pkey;
+ /* 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);
+ TALLOC_FREE(mtx);
+ return false;
+ }
- if ( !user ) {
- DEBUG(0,("tdbsam_getsampwent: struct samu is NULL.\n"));
- return nt_status;
- }
+ if ( version < TDBSAM_VERSION ||
+ (version == TDBSAM_VERSION &&
+ minor_version < TDBSAM_MINOR_VERSION) ) {
+ /*
+ * Note that minor versions we read that are greater
+ * than the current minor version we have hard coded
+ * are assumed to be compatible if they have the same
+ * major version. That allows previous versions of the
+ * passdb code that don't know about minor versions to
+ * still use this database. JRA.
+ */
+
+ DEBUG(1, ("tdbsam_open: Converting version %d.%d database to "
+ "version %d.%d.\n",
+ version,
+ minor_version,
+ TDBSAM_VERSION,
+ TDBSAM_MINOR_VERSION));
+
+ if ( !tdbsam_convert(&db_sam, name, version) ) {
+ DEBUG(0, ("tdbsam_open: Error when trying to convert "
+ "tdbsam [%s]\n",name));
+ TALLOC_FREE(db_sam);
+ TALLOC_FREE(mtx);
+ return false;
+ }
- if ( !tdbsam_pwent_list ) {
- DEBUG(4,("tdbsam_getsampwent: end of list\n"));
- return nt_status;
+ DEBUG(3, ("TDBSAM converted successfully.\n"));
+ }
+ TALLOC_FREE(mtx);
}
-
- /* pull the next entry */
-
- pkey = tdbsam_pwent_list;
- DLIST_REMOVE( tdbsam_pwent_list, pkey );
-
- data = tdb_fetch(tdbsam, pkey->key);
- SAFE_FREE( pkey->key.dptr);
- SAFE_FREE( pkey);
-
- if ( !data.dptr ) {
- DEBUG(5,("pdb_getsampwent: database entry not found. Was the user deleted?\n"));
- return nt_status;
- }
-
- if ( !init_sam_from_buffer(user, (unsigned char *)data.dptr, data.dsize) ) {
- DEBUG(0,("pdb_getsampwent: Bad struct samu entry returned from TDB!\n"));
- }
-
- SAFE_FREE( data.dptr );
+ DEBUG(4,("tdbsam_open: successfully opened %s\n", name ));
- return NT_STATUS_OK;
+ return true;
}
/******************************************************************
Lookup a name in the SAM TDB
******************************************************************/
-static NTSTATUS tdbsam_getsampwnam (struct pdb_methods *my_methods, struct samu *user, const char *sname)
+static NTSTATUS tdbsam_getsampwnam (struct pdb_methods *my_methods,
+ struct samu *user, const char *sname)
{
TDB_DATA data;
fstring keystr;
fstring name;
+ NTSTATUS status;
if ( !user ) {
DEBUG(0,("pdb_getsampwnam: struct samu is NULL.\n"));
/* Data is stored in all lower-case */
fstrcpy(name, sname);
- strlower_m(name);
+ if (!strlower_m(name)) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
/* set search key */
- slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
+ fstr_sprintf(keystr, "%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 = tdb_fetch_bystring(tdbsam, keystr);
- if (!data.dptr) {
+
+ status = dbwrap_fetch_bystring(db_sam, talloc_tos(), keystr, &data);
+ if (!NT_STATUS_IS_OK(status)) {
DEBUG(5,("pdb_getsampwnam (TDB): error fetching database.\n"));
- DEBUGADD(5, (" Error: %s\n", tdb_errorstr(tdbsam)));
DEBUGADD(5, (" Key: %s\n", keystr));
- tdbsam_close();
return NT_STATUS_NO_SUCH_USER;
}
-
+
+ if (data.dsize == 0) {
+ DEBUG(5, ("%s: Got 0-sized record for key %s\n", __func__,
+ keystr));
+ return NT_STATUS_NO_SUCH_USER;
+ }
+
/* unpack the buffer */
-
- if (!init_sam_from_buffer(user, data.dptr, data.dsize)) {
+
+ if (!init_samu_from_buffer(user, SAMU_BUFFER_LATEST, data.dptr, data.dsize)) {
DEBUG(0,("pdb_getsampwent: Bad struct samu entry returned from TDB!\n"));
- SAFE_FREE(data.dptr);
- tdbsam_close();
+ TALLOC_FREE(data.dptr);
return NT_STATUS_NO_MEMORY;
}
-
+
/* success */
-
- SAFE_FREE(data.dptr);
- tdbsam_close();
-
+
+ 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)
+static NTSTATUS tdbsam_getsampwrid (struct pdb_methods *my_methods,
+ struct samu *user, uint32_t rid)
{
NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
TDB_DATA data;
DEBUG(0,("pdb_getsampwrid: struct samu is NULL.\n"));
return nt_status;
}
-
+
/* set search key */
-
- slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, rid);
+
+ fstr_sprintf(keystr, "%s%.8x", RIDPREFIX, rid);
/* open the database */
-
+
if ( !tdbsam_open( tdbsam_filename ) ) {
- DEBUG(0,("tdbsam_getsampwnam: failed to open %s!\n", tdbsam_filename));
+ DEBUG(0,("tdbsam_getsampwrid: failed to open %s!\n", tdbsam_filename));
return NT_STATUS_ACCESS_DENIED;
}
/* get the record */
-
- data = tdb_fetch_bystring (tdbsam, keystr);
- if (!data.dptr) {
+
+ nt_status = dbwrap_fetch_bystring(db_sam, talloc_tos(), keystr, &data);
+ if (!NT_STATUS_IS_OK(nt_status)) {
DEBUG(5,("pdb_getsampwrid (TDB): error looking up RID %d by key %s.\n", rid, keystr));
- DEBUGADD(5, (" Error: %s\n", tdb_errorstr(tdbsam)));
- nt_status = NT_STATUS_UNSUCCESSFUL;
- goto done;
+ return nt_status;
}
fstrcpy(name, (const char *)data.dptr);
- SAFE_FREE(data.dptr);
-
- nt_status = tdbsam_getsampwnam (my_methods, user, name);
+ TALLOC_FREE(data.dptr);
- done:
- /* cleanup */
-
- tdbsam_close();
-
- return nt_status;
+ return tdbsam_getsampwnam (my_methods, user, name);
}
-static NTSTATUS tdbsam_getsampwsid(struct pdb_methods *my_methods, struct samu * user, const DOM_SID *sid)
+static NTSTATUS tdbsam_getsampwsid(struct pdb_methods *my_methods,
+ struct samu * user, const struct dom_sid *sid)
{
- uint32 rid;
-
+ uint32_t 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 )
+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);
-
+ if (!strlower_m(name)) {
+ return false;
+ }
+
/* set the search key */
-
- slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
-
+
+ fstr_sprintf(keystr, "%s%s", USERPREFIX, name);
+
/* it's outaa here! 8^) */
-
- if (tdb_delete_bystring(tdbsam, keystr) != TDB_SUCCESS) {
- DEBUG(5, ("Error deleting entry from tdb passwd database!\n"));
- DEBUGADD(5, (" Error: %s\n", tdb_errorstr(tdbsam)));
- return False;
+ if ( !tdbsam_open( tdbsam_filename ) ) {
+ DEBUG(0,("tdb_delete_samacct_only: failed to open %s!\n",
+ tdbsam_filename));
+ return false;
}
-
- return True;
+
+ 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)
+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;
+ uint32_t rid;
fstring name;
-
+
/* open the database */
-
+
if ( !tdbsam_open( tdbsam_filename ) ) {
DEBUG(0,("tdbsam_delete_sam_account: failed to open %s!\n",
tdbsam_filename));
}
fstrcpy(name, pdb_get_username(sam_pass));
- strlower_m(name);
-
+ if (!strlower_m(name)) {
+ return NT_STATUS_INVALID_PARAMETER;
+ }
+
/* set the search key */
- slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
-
+ fstr_sprintf(keystr, "%s%s", USERPREFIX, name);
+
rid = pdb_get_user_rid(sam_pass);
/* it's outaa here! 8^) */
- if ( tdb_delete_bystring(tdbsam, keystr) != TDB_SUCCESS ) {
- DEBUG(5, ("Error deleting entry from tdb passwd database!\n"));
- DEBUGADD(5, (" Error: %s\n", tdb_errorstr(tdbsam)));
- nt_status = NT_STATUS_UNSUCCESSFUL;
- goto done;
+ if (dbwrap_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);
+
+ fstr_sprintf(keystr, "%s%.8x", RIDPREFIX, rid);
/* it's outaa here! 8^) */
-
- if ( tdb_delete_bystring(tdbsam, keystr) != TDB_SUCCESS ) {
- DEBUG(5, ("Error deleting entry from tdb rid database!\n"));
- DEBUGADD(5, (" Error: %s\n", tdb_errorstr(tdbsam)));
- nt_status = NT_STATUS_UNSUCCESSFUL;
- goto done;
+
+ 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 (dbwrap_transaction_commit(db_sam) != 0) {
+ DEBUG(0, ("Could not commit transaction\n"));
+ return NT_STATUS_INTERNAL_DB_CORRUPTION;
+ }
+
+ return NT_STATUS_OK;
+
+ cancel:
+ if (dbwrap_transaction_cancel(db_sam) != 0) {
+ smb_panic("transaction_cancel failed");
}
- nt_status = NT_STATUS_OK;
-
- done:
- tdbsam_close();
-
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 )
+static bool tdb_update_samacct_only( struct samu* newpwd, int flag )
{
TDB_DATA data;
- uint8 *buf = NULL;
+ uint8_t *buf = NULL;
fstring keystr;
fstring name;
- BOOL ret = True;
+ 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 ) {
+
+ if ( (data.dsize=init_buffer_from_samu(&buf, newpwd, False)) == -1 ) {
DEBUG(0,("tdb_update_sam: ERROR - Unable to copy struct samu info BYTE buffer!\n"));
- ret = False;
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,
+ if (!strlower_m(name)) {
+ goto done;
+ }
+
+ 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);
+ fstr_sprintf(keystr, "%s%s", USERPREFIX, name);
/* add the account */
-
- if ( tdb_store_bystring(tdbsam, keystr, data, flag) != TDB_SUCCESS ) {
- DEBUG(0, ("Unable to modify passwd TDB!"));
- DEBUGADD(0, (" Error: %s", tdb_errorstr(tdbsam)));
- DEBUGADD(0, (" occured while storing the main record (%s)\n",
- keystr));
- ret = False;
+
+ 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;
}
-done:
+ ret = true;
+
+done:
/* cleanup */
SAFE_FREE(buf);
-
return ret;
}
/***************************************************************************
Update the TDB SAM RID record only
- Assumes that the tdbsam is already open
+ Assumes that the tdbsam is already open
****************************************************************************/
-static BOOL tdb_update_ridrec_only( struct samu* newpwd, int flag )
+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);
+ if (!strlower_m(name)) {
+ return false;
+ }
/* 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));
-
+ fstr_sprintf(keystr, "%s%.8x", RIDPREFIX, pdb_get_user_rid(newpwd));
+
/* add the reference */
- if (tdb_store_bystring(tdbsam, keystr, data, flag) != TDB_SUCCESS) {
- DEBUG(0, ("Unable to modify TDB passwd !"));
- DEBUGADD(0, (" Error: %s\n", tdb_errorstr(tdbsam)));
- DEBUGADD(0, (" occured while storing the RID index (%s)\n", keystr));
- return False;
+ 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;
+ return true;
}
Update the TDB SAM
****************************************************************************/
-static BOOL tdb_update_sam(struct pdb_methods *my_methods, struct samu* newpwd, int flag)
+static bool tdb_update_sam(struct pdb_methods *my_methods, struct samu* newpwd,
+ int flag)
{
- BOOL result = True;
+ uint32_t oldrid;
+ uint32_t newrid;
- /* invalidate the existing TDB iterator if it is open */
-
- tdbsam_endsampwent( my_methods );
-
-#if 0
- if ( !pdb_get_group_rid(newpwd) ) {
- DEBUG (0,("tdb_update_sam: Failing to store a struct samu for [%s] "
- "without a primary group RID\n", pdb_get_username(newpwd)));
+ if (!(newrid = pdb_get_user_rid(newpwd))) {
+ DEBUG(0,("tdb_update_sam: struct samu (%s) with no RID!\n",
+ pdb_get_username(newpwd)));
return False;
}
-#endif
- if (!pdb_get_user_rid(newpwd)) {
- DEBUG(0,("tdb_update_sam: struct samu (%s) with no RID!\n", pdb_get_username(newpwd)));
- return False;
- }
+ oldrid = newrid;
/* open the database */
-
+
if ( !tdbsam_open( tdbsam_filename ) ) {
DEBUG(0,("tdbsam_getsampwnam: failed to open %s!\n", tdbsam_filename));
return False;
}
-
- if ( !tdb_update_samacct_only(newpwd, flag) || !tdb_update_ridrec_only(newpwd, flag)) {
- result = False;
+
+ if (dbwrap_transaction_start(db_sam) != 0) {
+ DEBUG(0, ("Could not start transaction\n"));
+ return false;
}
- /* cleanup */
+ /* If we are updating, we may be changing this users RID. Retrieve the old RID
+ so we can check. */
- tdbsam_close();
-
- return result;
+ if (flag == TDB_MODIFY) {
+ struct samu *account = samu_new(talloc_tos());
+ if (account == NULL) {
+ DEBUG(0,("tdb_update_sam: samu_new() failed\n"));
+ goto cancel;
+ }
+ if (!NT_STATUS_IS_OK(tdbsam_getsampwnam(my_methods, account, pdb_get_username(newpwd)))) {
+ DEBUG(0,("tdb_update_sam: tdbsam_getsampwnam() for %s failed\n",
+ pdb_get_username(newpwd)));
+ TALLOC_FREE(account);
+ goto cancel;
+ }
+ if (!(oldrid = pdb_get_user_rid(account))) {
+ DEBUG(0,("tdb_update_sam: pdb_get_user_rid() failed\n"));
+ TALLOC_FREE(account);
+ goto cancel;
+ }
+ TALLOC_FREE(account);
+ }
+
+ /* Update the new samu entry. */
+ if (!tdb_update_samacct_only(newpwd, flag)) {
+ goto cancel;
+ }
+
+ /* Now take care of the case where the RID changed. We need
+ * to delete the old RID key and add the new. */
+
+ if (flag == TDB_MODIFY && newrid != oldrid) {
+ fstring keystr;
+
+ /* Delete old RID key */
+ DEBUG(10, ("tdb_update_sam: Deleting key for RID %u\n", oldrid));
+ fstr_sprintf(keystr, "%s%.8x", RIDPREFIX, oldrid);
+ if (!NT_STATUS_IS_OK(dbwrap_delete_bystring(db_sam, keystr))) {
+ DEBUG(0, ("tdb_update_sam: Can't delete %s\n", keystr));
+ goto cancel;
+ }
+ /* Insert new RID key */
+ DEBUG(10, ("tdb_update_sam: Inserting key for RID %u\n", newrid));
+ if (!tdb_update_ridrec_only(newpwd, TDB_INSERT)) {
+ goto cancel;
+ }
+ } else {
+ DEBUG(10, ("tdb_update_sam: %s key for RID %u\n",
+ flag == TDB_MODIFY ? "Updating" : "Inserting", newrid));
+ if (!tdb_update_ridrec_only(newpwd, flag)) {
+ goto cancel;
+ }
+ }
+
+ if (dbwrap_transaction_commit(db_sam) != 0) {
+ DEBUG(0, ("Could not commit transaction\n"));
+ return false;
+ }
+
+ return true;
+
+ cancel:
+ if (dbwrap_transaction_cancel(db_sam) != 0) {
+ smb_panic("transaction_cancel failed");
+ }
+ return false;
}
/***************************************************************************
- unlock the new user record
***************************************************************************/
static NTSTATUS tdbsam_rename_sam_account(struct pdb_methods *my_methods,
- struct samu *old_acct,
+ struct samu *old_acct,
const char *newname)
{
struct samu *new_acct = NULL;
- pstring rename_script;
- BOOL interim_account = False;
+ char *rename_script = NULL;
int rename_ret;
fstring oldname_lower;
fstring newname_lower;
/* can't do anything without an external script */
-
- pstrcpy(rename_script, lp_renameuser_script() );
- if ( ! *rename_script ) {
- return NT_STATUS_ACCESS_DENIED;
- }
- /* invalidate the existing TDB iterator if it is open */
-
- tdbsam_endsampwent( my_methods );
+ if ( !(new_acct = samu_new( talloc_tos() )) ) {
+ return NT_STATUS_NO_MEMORY;
+ }
- if ( !(new_acct = samu_new( NULL )) ) {
+ rename_script = lp_rename_user_script(new_acct);
+ if (!rename_script) {
+ TALLOC_FREE(new_acct);
return NT_STATUS_NO_MEMORY;
}
-
- if ( !pdb_copy_sam_account(new_acct, old_acct)
- || !pdb_set_username(new_acct, newname, PDB_CHANGED))
+ 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 );
+ 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 );
+ DEBUG(0, ("tdbsam_getsampwnam: failed to open %s!\n",
+ tdbsam_filename));
+ 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 done;
+ if (dbwrap_transaction_start(db_sam) != 0) {
+ DEBUG(0, ("Could not start transaction\n"));
+ TALLOC_FREE(new_acct);
+ return NT_STATUS_ACCESS_DENIED;
+
}
-
- interim_account = True;
- if ( tdb_lock_bystring_with_timeout(tdbsam, newname, 30) == -1 ) {
- goto done;
+ /* 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 );
+ if (!strlower_m( oldname_lower )) {
+ goto cancel;
+ }
fstrcpy( newname_lower, newname );
- strlower_m( newname_lower );
+ if (!strlower_m( newname_lower )) {
+ goto cancel;
+ }
- string_sub2(rename_script, "%unew", newname_lower, sizeof(pstring),
- True, False, True);
- string_sub2(rename_script, "%uold", oldname_lower, sizeof(pstring),
- True, False, True);
- rename_ret = smbrun(rename_script, NULL);
+ 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, NULL);
- DEBUG(rename_ret ? 0 : 3,("Running the command `%s' gave %d\n", rename_script, rename_ret));
+ DEBUG(rename_ret ? 0 : 3,("Running the command `%s' gave %d\n",
+ rename_script, rename_ret));
- if (rename_ret == 0) {
- smb_nscd_flush_user_cache();
+ if (rename_ret != 0) {
+ goto cancel;
}
- if (rename_ret) {
- goto done;
- }
+ smb_nscd_flush_user_cache();
/* rewrite the rid->username record */
-
+
if ( !tdb_update_ridrec_only( new_acct, TDB_MODIFY) ) {
- goto done;
+ goto cancel;
}
- interim_account = False;
- tdb_unlock_bystring( tdbsam, newname );
tdb_delete_samacct_only( old_acct );
-
- tdbsam_close();
-
+
+ if (dbwrap_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;
-done:
- /* cleanup */
- if (interim_account) {
- tdb_unlock_bystring(tdbsam, newname);
- tdb_delete_samacct_only(new_acct);
+ cancel:
+ if (dbwrap_transaction_cancel(db_sam) != 0) {
+ smb_panic("transaction_cancel failed");
}
-
- tdbsam_close();
-
- if (new_acct)
- TALLOC_FREE(new_acct);
-
+
+ TALLOC_FREE(new_acct);
+
return NT_STATUS_ACCESS_DENIED;
}
-static BOOL tdbsam_rid_algorithm(struct pdb_methods *methods)
+static uint32_t tdbsam_capabilities(struct pdb_methods *methods)
{
- return False;
+ return PDB_CAP_STORE_RIDS;
}
-/*
- * 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.
- */
+static bool tdbsam_new_rid(struct pdb_methods *methods, uint32_t *prid)
+{
+ uint32_t rid;
+ NTSTATUS status;
+
+ rid = BASE_RID; /* Default if not set */
+
+ if (!tdbsam_open(tdbsam_filename)) {
+ DEBUG(0,("tdbsam_new_rid: failed to open %s!\n",
+ tdbsam_filename));
+ return false;
+ }
+
+ status = dbwrap_trans_change_uint32_atomic_bystring(
+ db_sam, NEXT_RID_STRING, &rid, 1);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(3, ("tdbsam_new_rid: Failed to increase %s: %s\n",
+ NEXT_RID_STRING, nt_errstr(status)));
+ return false;
+ }
+
+ *prid = rid;
-/*****************************************************************************
- 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.
+ return true;
+}
- Dont' fully initialize with the HWM values, if it's new, we're only
- interested in the RID counter.
-*****************************************************************************/
+struct tdbsam_search_state {
+ struct pdb_methods *methods;
+ uint32_t acct_flags;
-static BOOL init_idmap_tdb(TDB_CONTEXT *tdb)
+ 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)
{
- int32 version;
+ struct tdbsam_search_state *state = talloc_get_type_abort(
+ private_data, struct tdbsam_search_state);
+ size_t prefixlen = strlen(RIDPREFIX);
+ uint32_t rid;
+ TDB_DATA key;
- if (tdb_lock_bystring(tdb, "IDMAP_VERSION") != 0) {
- DEBUG(0, ("Could not lock IDMAP_VERSION\n"));
- return False;
+ key = dbwrap_record_get_key(rec);
+
+ if ((key.dsize < prefixlen)
+ || (strncmp((char *)key.dptr, RIDPREFIX, prefixlen))) {
+ return 0;
}
- version = tdb_fetch_int32(tdb, "IDMAP_VERSION");
+ rid = strtoul((char *)key.dptr+prefixlen, NULL, 16);
- 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;
- }
+ ADD_TO_LARGE_ARRAY(state, uint32_t, rid, &state->rids, &state->num_rids,
+ &state->array_size);
- 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;
- }
+ return 0;
+}
- tdb_unlock_bystring(tdb, "IDMAP_VERSION");
- return True;
+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_new_rid(struct pdb_methods *methods, uint32 *prid)
+static bool tdbsam_search_next_entry(struct pdb_search *search,
+ struct samr_displayentry *entry)
{
- TDB_CONTEXT *tdb;
- uint32 rid;
- BOOL ret = False;
+ 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;
- tdb = tdb_open_log(lock_path("winbindd_idmap.tdb"), 0,
- TDB_DEFAULT, O_RDWR | O_CREAT, 0644);
+ again:
+ TALLOC_FREE(user);
+ user = samu_new(talloc_tos());
+ if (user == NULL) {
+ DEBUG(0, ("samu_new failed\n"));
+ return false;
+ }
- if (tdb == NULL) {
- DEBUG(1, ("Could not open idmap: %s\n", strerror(errno)));
- goto done;
+ if (state->current == state->num_rids) {
+ TALLOC_FREE(user);
+ return false;
}
- if (!init_idmap_tdb(tdb)) {
- DEBUG(1, ("Could not init idmap\n"));
- goto done;
+ 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;
}
- rid = BASE_RID; /* Default if not set */
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(10, ("tdbsam_getsampwrid failed: %s\n",
+ nt_errstr(status)));
+ TALLOC_FREE(user);
+ return false;
+ }
- if (!tdb_change_uint32_atomic(tdb, "RID_COUNTER", &rid, 1)) {
- DEBUG(3, ("tdbsam_new_rid: Failed to increase RID_COUNTER\n"));
- goto done;
+ if ((state->acct_flags != 0) &&
+ ((state->acct_flags & pdb_get_acct_ctrl(user)) == 0)) {
+ goto again;
}
- *prid = rid;
- ret = True;
+ entry->acct_flags = pdb_get_acct_ctrl(user);
+ entry->rid = rid;
+ entry->account_name = talloc_strdup(search, pdb_get_username(user));
+ entry->fullname = talloc_strdup(search, pdb_get_fullname(user));
+ entry->description = talloc_strdup(search, pdb_get_acct_desc(user));
+
+ TALLOC_FREE(user);
- done:
- if ((tdb != NULL) && (tdb_close(tdb) != 0)) {
- smb_panic("tdb_close(idmap_tdb) failed");
+ if ((entry->account_name == NULL) || (entry->fullname == NULL)
+ || (entry->description == NULL)) {
+ DEBUG(0, ("talloc_strdup failed\n"));
+ return false;
}
- return ret;
+ return true;
+}
+
+static bool tdbsam_search_users(struct pdb_methods *methods,
+ struct pdb_search *search,
+ uint32_t 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(search, struct tdbsam_search_state);
+ if (state == NULL) {
+ DEBUG(0, ("talloc failed\n"));
+ return false;
+ }
+ state->acct_flags = acct_flags;
+ state->methods = methods;
+
+ dbwrap_traverse_read(db_sam, tdbsam_collect_rids, state, NULL);
+
+ search->private_data = state;
+ search->next_entry = tdbsam_search_next_entry;
+ search->search_end = tdbsam_search_end;
+
+ return true;
+}
+
+static bool tdbsam_is_responsible_for_builtin(struct pdb_methods *m)
+{
+ return map_builtin;
}
/*********************************************************************
static NTSTATUS pdb_init_tdbsam(struct pdb_methods **pdb_method, const char *location)
{
NTSTATUS nt_status;
- pstring tdbfile;
+ char *tdbfile = NULL;
const char *pfile = location;
if (!NT_STATUS_IS_OK(nt_status = make_pdb_method( pdb_method ))) {
(*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;
(*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)->capabilities = tdbsam_capabilities;
(*pdb_method)->new_rid = tdbsam_new_rid;
+ (*pdb_method)->is_responsible_for_builtin =
+ tdbsam_is_responsible_for_builtin;
+ map_builtin = lp_parm_bool(-1, "tdbsam", "map builtin", true);
+
/* save the path for later */
-
- if ( !location ) {
- pstr_sprintf( tdbfile, "%s/%s", lp_private_dir(), PASSDB_FILE_NAME );
+
+ if (!location) {
+ if (asprintf(&tdbfile, "%s/%s", lp_private_dir(),
+ PASSDB_FILE_NAME) < 0) {
+ return NT_STATUS_NO_MEMORY;
+ }
pfile = tdbfile;
}
- pstrcpy( tdbsam_filename, pfile );
+ 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)
+NTSTATUS pdb_tdbsam_init(TALLOC_CTX *ctx)
{
return smb_register_passdb(PASSDB_INTERFACE_VERSION, "tdbsam", pdb_init_tdbsam);
}
git.samba.org / bbaumbach / samba-autobuild / .git / blobdiff