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authorVolker Lendecke <vl@samba.org>2008-03-14 20:35:38 +0100
committerVolker Lendecke <vl@samba.org>2008-03-17 11:51:50 +0100
commit88ee949777fefbceb7a1fd6fb599f45b90a4018b (patch)
tree857abea542a0205a3102335cefb851018f9f62fa /source3/passdb/pdb_tdb.c
parentcc2e3f180b1b5cbd9e8a56684a26944c1a273c7f (diff)
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Convert pdb_tdb to use dbwrap
(This used to be commit 948ab77863b12b1b0bd1c970004b84b9bb1bb2fa)
Diffstat (limited to 'source3/passdb/pdb_tdb.c')
-rw-r--r--source3/passdb/pdb_tdb.c634
1 files changed, 316 insertions, 318 deletions
diff --git a/source3/passdb/pdb_tdb.c b/source3/passdb/pdb_tdb.c
index b05a42b32c..25aa6b4fb0 100644
--- a/source3/passdb/pdb_tdb.c
+++ b/source3/passdb/pdb_tdb.c
@@ -41,13 +41,13 @@ static int tdbsam_debug_level = DBGC_ALL;
#define TDBSAM_VERSION_STRING "INFO/version"
#define PASSDB_FILE_NAME "passdb.tdb"
#define USERPREFIX "USER_"
+#define USERPREFIX_LEN 5
#define RIDPREFIX "RID_"
#define PRIVPREFIX "PRIV_"
/* GLOBAL TDB SAM CONTEXT */
-static TDB_CONTEXT *tdbsam;
-static int ref_count = 0;
+static struct db_context *db_sam;
static char *tdbsam_filename;
/**********************************************************************
@@ -690,110 +690,129 @@ static uint32 init_buffer_from_sam (uint8 **buf, struct samu *sampass, bool size
Intialize a BYTE buffer from a struct samu struct
*********************************************************************/
-static bool tdbsam_convert(int32 from)
+struct tdbsam_convert_state {
+ int32_t from;
+ bool success;
+};
+
+static int tdbsam_convert_one(struct db_record *rec, void *priv)
{
- const char *vstring = TDBSAM_VERSION_STRING;
- const char *prefix = USERPREFIX;
- TDB_DATA data, key, old_key;
- uint8 *buf = NULL;
- bool ret;
+ struct tdbsam_convert_state *state =
+ (struct tdbsam_convert_state *)priv;
+ struct samu *user;
+ TDB_DATA data;
+ NTSTATUS status;
+ bool ret;
- /* handle a Samba upgrade */
- tdb_lock_bystring(tdbsam, vstring);
-
- /* Enumerate all records and convert them */
- key = tdb_firstkey(tdbsam);
+ if (rec->key.dsize < USERPREFIX_LEN) {
+ return 0;
+ }
+ if (strncmp((char *)rec->key.dptr, USERPREFIX, USERPREFIX_LEN) != 0) {
+ return 0;
+ }
- 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);
- }
-
+ user = samu_new(talloc_tos());
+ if (user == NULL) {
+ DEBUG(0,("tdbsam_convert: samu_new() failed!\n"));
+ state->success = false;
+ return -1;
+ }
+
+ DEBUG(10,("tdbsam_convert: Try unpacking a record with (key:%s) "
+ "(version:%d)\n", rec->key.dptr, state->from));
+
+ switch (state->from) {
+ case 0:
+ ret = init_sam_from_buffer_v0(user, (uint8 *)rec->value.dptr,
+ rec->value.dsize);
+ break;
+ case 1:
+ ret = init_sam_from_buffer_v1(user, (uint8 *)rec->value.dptr,
+ rec->value.dsize);
+ break;
+ case 2:
+ ret = init_sam_from_buffer_v2(user, (uint8 *)rec->value.dptr,
+ rec->value.dsize);
+ break;
+ case 3:
+ ret = init_sam_from_buffer_v3(user, (uint8 *)rec->value.dptr,
+ rec->value.dsize);
+ break;
+ default:
+ /* unknown tdbsam version */
+ ret = False;
+ }
+ if (!ret) {
+ DEBUG(0,("tdbsam_convert: Bad struct samu entry returned "
+ "from TDB (key:%s) (version:%d)\n", rec->key.dptr,
+ state->from));
+ TALLOC_FREE(user);
+ state->success = false;
+ return -1;
}
-
- /* upgrade finished */
- tdb_store_int32(tdbsam, vstring, TDBSAM_VERSION);
- tdb_unlock_bystring(tdbsam, vstring);
+ data.dsize = init_buffer_from_sam(&data.dptr, user, false);
+ TALLOC_FREE(user);
+
+ if (data.dsize == -1) {
+ DEBUG(0,("tdbsam_convert: cannot pack the struct samu into "
+ "the new format\n"));
+ state->success = false;
+ return -1;
+ }
+
+ status = rec->store(rec, data, TDB_MODIFY);
+ if (!NT_STATUS_IS_OK(status)) {
+ DEBUG(0, ("Could not store the new record: %s\n",
+ nt_errstr(status)));
+ state->success = false;
+ return -1;
+ }
+
+ return 0;
+}
+
+static bool tdbsam_convert(struct db_context *db, int32 from)
+{
+ struct tdbsam_convert_state state;
+
+ state.from = from;
+ state.success = true;
+
+ if (db->transaction_start(db) != 0) {
+ DEBUG(0, ("Could not start transaction\n"));
+ return false;
+ }
+
+ if (db->traverse(db, tdbsam_convert_one, &state) != 0) {
+ DEBUG(0, ("traverse failed\n"));
+ goto cancel;
+ }
- return(True);
+ if (!state.success) {
+ DEBUG(0, ("Converting records failed\n"));
+ goto cancel;
+ }
+
+ if (dbwrap_store_int32(db, TDBSAM_VERSION_STRING,
+ TDBSAM_VERSION) != 0) {
+ DEBUG(0, ("Could not store tdbsam version\n"));
+ goto cancel;
+ }
+
+ if (db->transaction_commit(db) != 0) {
+ DEBUG(0, ("Could not commit transaction\n"));
+ goto cancel;
+ }
+
+ return true;
+
+ cancel:
+ if (db->transaction_cancel(db) != 0) {
+ smb_panic("transaction_cancel failed");
+ }
+
+ return false;
}
/*********************************************************************
@@ -804,91 +823,61 @@ static bool tdbsam_convert(int32 from)
static bool tdbsam_open( const char *name )
{
int32 version;
-
+
/* 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);
+ 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 );
-
+ version = dbwrap_fetch_int32(db_sam, TDBSAM_VERSION_STRING);
if (version == -1) {
version = 0; /* Version not found, assume version 0 */
}
-
+
/* Compare the version */
if (version > TDBSAM_VERSION) {
- /* Version more recent than the latest known */
+ /* 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;
- }
-
- DEBUG(3, ("TDBSAM converted successfully.\n"));
+ TALLOC_FREE(db_sam);
+ return false;
}
-
- DEBUG(4,("tdbsam_open: successfully opened %s\n", name ));
-
- return True;
-}
-/****************************************************************************
- wrapper atound tdb_close() to handle the reference count
-****************************************************************************/
+ if ( version < TDBSAM_VERSION ) {
+ DEBUG(1, ("tdbsam_open: Converting version %d database to "
+ "version %d.\n", version, TDBSAM_VERSION));
-void tdbsam_close( void )
-{
- ref_count--;
-
- DEBUG(8,("tdbsam_close: Reference count is now %d.\n", ref_count));
+ if ( !tdbsam_convert(db_sam, version) ) {
+ DEBUG(0, ("tdbsam_open: Error when trying to convert "
+ "tdbsam [%s]\n",name));
+ TALLOC_FREE(db_sam);
+ return false;
+ }
- SMB_ASSERT(ref_count >= 0 );
-
- if ( ref_count == 0 ) {
- tdb_close( tdbsam );
- tdbsam = NULL;
+ DEBUG(3, ("TDBSAM converted successfully.\n"));
}
-
- return;
+
+ DEBUG(4,("tdbsam_open: successfully opened %s\n", name ));
+
+ return true;
}
/******************************************************************
Lookup a name in the SAM TDB
******************************************************************/
-static NTSTATUS tdbsam_getsampwnam (struct pdb_methods *my_methods, struct samu *user, const char *sname)
+static NTSTATUS tdbsam_getsampwnam (struct pdb_methods *my_methods,
+ struct samu *user, const char *sname)
{
TDB_DATA data;
fstring keystr;
@@ -907,37 +896,33 @@ static NTSTATUS tdbsam_getsampwnam (struct pdb_methods *my_methods, struct samu
slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
/* open the database */
-
+
if ( !tdbsam_open( tdbsam_filename ) ) {
DEBUG(0,("tdbsam_getsampwnam: failed to open %s!\n", tdbsam_filename));
return NT_STATUS_ACCESS_DENIED;
}
-
+
/* get the record */
-
- data = tdb_fetch_bystring(tdbsam, keystr);
+
+ data = dbwrap_fetch_bystring(db_sam, talloc_tos(), keystr);
if (!data.dptr) {
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;
}
-
+
/* unpack the buffer */
-
+
if (!init_sam_from_buffer(user, data.dptr, data.dsize)) {
DEBUG(0,("pdb_getsampwent: Bad struct samu entry returned from TDB!\n"));
SAFE_FREE(data.dptr);
- tdbsam_close();
return NT_STATUS_NO_MEMORY;
}
-
+
/* success */
-
- SAFE_FREE(data.dptr);
- tdbsam_close();
-
+
+ TALLOC_FREE(data.dptr);
+
return NT_STATUS_OK;
}
@@ -945,7 +930,8 @@ static NTSTATUS tdbsam_getsampwnam (struct pdb_methods *my_methods, struct samu
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 rid)
{
NTSTATUS nt_status = NT_STATUS_UNSUCCESSFUL;
TDB_DATA data;
@@ -956,45 +942,37 @@ static NTSTATUS tdbsam_getsampwrid (struct pdb_methods *my_methods, struct samu
DEBUG(0,("pdb_getsampwrid: struct samu is NULL.\n"));
return nt_status;
}
-
+
/* set search key */
-
+
slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, rid);
/* open the database */
-
+
if ( !tdbsam_open( tdbsam_filename ) ) {
DEBUG(0,("tdbsam_getsampwnam: failed to open %s!\n", tdbsam_filename));
return NT_STATUS_ACCESS_DENIED;
}
/* get the record */
-
- data = tdb_fetch_bystring (tdbsam, keystr);
+
+ data = dbwrap_fetch_bystring(db_sam, talloc_tos(), keystr);
if (!data.dptr) {
DEBUG(5,("pdb_getsampwrid (TDB): error looking up RID %d by key %s.\n", rid, keystr));
- DEBUGADD(5, (" Error: %s\n", tdb_errorstr(tdbsam)));
- nt_status = NT_STATUS_UNSUCCESSFUL;
- goto done;
+ return NT_STATUS_UNSUCCESSFUL;
}
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 DOM_SID *sid)
{
uint32 rid;
-
+
if ( !sid_peek_check_rid(get_global_sam_sid(), sid, &rid) )
return NT_STATUS_UNSUCCESSFUL;
@@ -1005,38 +983,41 @@ static bool tdb_delete_samacct_only( struct samu *sam_pass )
{
fstring keystr;
fstring name;
+ NTSTATUS status;
fstrcpy(name, pdb_get_username(sam_pass));
strlower_m(name);
-
+
/* set the search key */
-
+
slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
-
+
/* it's outaa here! 8^) */
-
- 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;
+
+ 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;
+
+ 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;
fstring name;
-
+
/* open the database */
-
+
if ( !tdbsam_open( tdbsam_filename ) ) {
DEBUG(0,("tdbsam_delete_sam_account: failed to open %s!\n",
tdbsam_filename));
@@ -1045,40 +1026,52 @@ static NTSTATUS tdbsam_delete_sam_account(struct pdb_methods *my_methods, struct
fstrcpy(name, pdb_get_username(sam_pass));
strlower_m(name);
-
+
/* set the search key */
slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
-
+
rid = pdb_get_user_rid(sam_pass);
/* it's outaa here! 8^) */
- if ( 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 (db_sam->transaction_start(db_sam) != 0) {
+ DEBUG(0, ("Could not start transaction\n"));
+ return NT_STATUS_UNSUCCESSFUL;
+ }
+
+ nt_status = dbwrap_delete_bystring(db_sam, keystr);
+ if (!NT_STATUS_IS_OK(nt_status)) {
+ DEBUG(5, ("Error deleting entry from tdb passwd "
+ "database: %s!\n", nt_errstr(nt_status)));
+ goto cancel;
}
/* set the search key */
-
+
slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, rid);
/* it's outaa here! 8^) */
-
- 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 (db_sam->transaction_commit(db_sam) != 0) {
+ DEBUG(0, ("Could not commit transaction\n"));
+ goto cancel;
+ }
+
+ return NT_STATUS_OK;
+
+ cancel:
+ if (db_sam->transaction_cancel(db_sam) != 0) {
+ smb_panic("transaction_cancel failed");
}
- nt_status = NT_STATUS_OK;
-
- done:
- tdbsam_close();
-
return nt_status;
}
@@ -1093,54 +1086,54 @@ static bool tdb_update_samacct_only( struct samu* newpwd, int flag )
uint8 *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 ) {
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,
+
+ DEBUG(5, ("Storing %saccount %s with RID %d\n",
+ flag == TDB_INSERT ? "(new) " : "", name,
pdb_get_user_rid(newpwd)));
/* setup the USER index key */
slprintf(keystr, sizeof(keystr)-1, "%s%s", USERPREFIX, name);
/* add the account */
-
- 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 )
{
TDB_DATA data;
fstring keystr;
fstring name;
+ NTSTATUS status;
fstrcpy(name, pdb_get_username(newpwd));
strlower_m(name);
@@ -1149,17 +1142,18 @@ static bool tdb_update_ridrec_only( struct samu* newpwd, int flag )
data = string_term_tdb_data(name);
/* setup the RID index key */
- slprintf(keystr, sizeof(keystr)-1, "%s%.8x", RIDPREFIX, pdb_get_user_rid(newpwd));
-
+ slprintf(keystr, sizeof(keystr)-1, "%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;
}
@@ -1167,39 +1161,44 @@ static bool tdb_update_ridrec_only( struct samu* newpwd, int flag )
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;
-
-#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)));
- 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)));
+ DEBUG(0,("tdb_update_sam: struct samu (%s) with no RID!\n",
+ pdb_get_username(newpwd)));
return False;
}
/* open the database */
-
+
if ( !tdbsam_open( tdbsam_filename ) ) {
DEBUG(0,("tdbsam_getsampwnam: failed to open %s!\n", tdbsam_filename));
return False;
}
-
- if ( !tdb_update_samacct_only(newpwd, flag) || !tdb_update_ridrec_only(newpwd, flag)) {
- result = False;
+
+ if (db_sam->transaction_start(db_sam) != 0) {
+ DEBUG(0, ("Could not start transaction\n"));
+ return false;
}
- /* cleanup */
+ if (!tdb_update_samacct_only(newpwd, flag)
+ || !tdb_update_ridrec_only(newpwd, flag)) {
+ goto cancel;
+ }
- tdbsam_close();
-
- return result;
+ if (db_sam->transaction_commit(db_sam) != 0) {
+ DEBUG(0, ("Could not commit transaction\n"));
+ goto cancel;
+ }
+
+ return true;
+
+ cancel:
+ if (db_sam->transaction_cancel(db_sam) != 0) {
+ smb_panic("transaction_cancel failed");
+ }
+ return false;
}
/***************************************************************************
@@ -1239,51 +1238,53 @@ static NTSTATUS tdbsam_rename_sam_account(struct pdb_methods *my_methods,
struct samu *old_acct,
const char *newname)
{
- TALLOC_CTX *ctx = talloc_tos();
struct samu *new_acct = NULL;
char *rename_script = NULL;
- bool interim_account = False;
int rename_ret;
fstring oldname_lower;
fstring newname_lower;
/* can't do anything without an external script */
- rename_script = talloc_strdup(ctx, lp_renameuser_script());
+ if ( !(new_acct = samu_new( talloc_tos() )) ) {
+ return NT_STATUS_NO_MEMORY;
+ }
+
+ rename_script = talloc_strdup(new_acct, lp_renameuser_script());
if (!rename_script) {
+ TALLOC_FREE(new_acct);
return NT_STATUS_NO_MEMORY;
}
if (!*rename_script) {
+ TALLOC_FREE(new_acct);
return NT_STATUS_ACCESS_DENIED;
}
- if ( !(new_acct = samu_new( NULL )) ) {
- return NT_STATUS_NO_MEMORY;
- }
-
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 (db_sam->transaction_start(db_sam) == -1) {
+ 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()
@@ -1295,7 +1296,7 @@ static NTSTATUS tdbsam_rename_sam_account(struct pdb_methods *my_methods,
fstrcpy( newname_lower, newname );
strlower_m( newname_lower );
- rename_script = talloc_string_sub2(ctx,
+ rename_script = talloc_string_sub2(new_acct,
rename_script,
"%unew",
newname_lower,
@@ -1303,9 +1304,9 @@ static NTSTATUS tdbsam_rename_sam_account(struct pdb_methods *my_methods,
false,
true);
if (!rename_script) {
- goto done;
+ goto cancel;
}
- rename_script = talloc_string_sub2(ctx,
+ rename_script = talloc_string_sub2(new_acct,
rename_script,
"%uold",
oldname_lower,
@@ -1313,47 +1314,47 @@ static NTSTATUS tdbsam_rename_sam_account(struct pdb_methods *my_methods,
false,
true);
if (!rename_script) {
- goto done;
+ goto cancel;
}
rename_ret = smbrun(rename_script, NULL);
DEBUG(rename_ret ? 0 : 3,("Running the command `%s' gave %d\n",
rename_script, rename_ret));
- if (rename_ret == 0) {
- 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 (db_sam->transaction_commit(db_sam) == -1) {
+ /*
+ * 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"));
+ goto cancel;
+ }
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 (db_sam->transaction_cancel(db_sam) != 0) {
+ smb_panic("transaction_cancel failed");
}
- tdbsam_close();
-
TALLOC_FREE(new_acct);
-
+
return NT_STATUS_ACCESS_DENIED;
}
@@ -1458,20 +1459,19 @@ struct tdbsam_search_state {
uint32_t current;
};
-static int tdbsam_collect_rids(TDB_CONTEXT *t, TDB_DATA key, TDB_DATA data,
- void *private_data)
+static int tdbsam_collect_rids(struct db_record *rec, void *private_data)
{
struct tdbsam_search_state *state = talloc_get_type_abort(
private_data, struct tdbsam_search_state);
size_t prefixlen = strlen(RIDPREFIX);
uint32 rid;
- if ((key.dsize < prefixlen)
- || (strncmp((char *)key.dptr, RIDPREFIX, prefixlen))) {
+ if ((rec->key.dsize < prefixlen)
+ || (strncmp((char *)rec->key.dptr, RIDPREFIX, prefixlen))) {
return 0;
}
- rid = strtoul((char *)key.dptr+prefixlen, NULL, 16);
+ rid = strtoul((char *)rec->key.dptr+prefixlen, NULL, 16);
ADD_TO_LARGE_ARRAY(state, uint32, rid, &state->rids, &state->num_rids,
&state->array_size);
@@ -1570,9 +1570,7 @@ static bool tdbsam_search_users(struct pdb_methods *methods,
state->acct_flags = acct_flags;
state->methods = methods;
- tdb_traverse(tdbsam, tdbsam_collect_rids, state);
-
- tdbsam_close();
+ db_sam->traverse_read(db_sam, tdbsam_collect_rids, state);
search->private_data = state;
search->next_entry = tdbsam_search_next_entry;