BOOL share_info_db_init(void)
{
const char *vstring = "INFO/version";
int32 vers_id;
if (share_tdb) {
return True;
}
share_tdb = tdb_open_log(lock_path("share_info.tdb"), 0, TDB_DEFAULT, O_RDWR|O_CREAT, 0600);
if (!share_tdb) {
DEBUG(0,("Failed to open share info database %s (%s)\n",
lock_path("share_info.tdb"), strerror(errno) ));
return False;
}
/* handle a Samba upgrade */
tdb_lock_bystring(share_tdb, vstring);
/* Cope with byte-reversed older versions of the db. */
vers_id = tdb_fetch_int32(share_tdb, vstring);
if ((vers_id == SHARE_DATABASE_VERSION_V1) || (IREV(vers_id) == SHARE_DATABASE_VERSION_V1)) {
/* Written on a bigendian machine with old fetch_int code. Save as le. */
tdb_store_int32(share_tdb, vstring, SHARE_DATABASE_VERSION_V2);
vers_id = SHARE_DATABASE_VERSION_V2;
}
if (vers_id != SHARE_DATABASE_VERSION_V2) {
tdb_traverse(share_tdb, tdb_traverse_delete_fn, NULL);
tdb_store_int32(share_tdb, vstring, SHARE_DATABASE_VERSION_V2);
}
tdb_unlock_bystring(share_tdb, vstring);
return True;
}
static bool idmap_tdb_upgrade(struct idmap_domain *dom, struct db_context *db)
{
int32 vers;
bool bigendianheader;
struct convert_fn_state s;
NTSTATUS status;
#if BUILD_TDB2
/* If we are bigendian, tdb is bigendian if NOT converted. */
union {
uint16 large;
unsigned char small[2];
} u;
u.large = 0x0102;
if (u.small[0] == 0x01)
bigendianheader = !(dbwrap_get_flags(db) & TDB_CONVERT);
else {
assert(u.small[0] == 0x02);
bigendianheader = (dbwrap_get_flags(db) & TDB_CONVERT);
}
#else
bigendianheader = (dbwrap_get_flags(db) & TDB_BIGENDIAN) ? True : False;
#endif
DEBUG(0, ("Upgrading winbindd_idmap.tdb from an old version\n"));
status = dbwrap_fetch_int32(db, "IDMAP_VERSION", &vers);
if (!NT_STATUS_IS_OK(status)) {
vers = -1;
}
if (((vers == -1) && bigendianheader) || (IREV(vers) == IDMAP_VERSION)) {
/* Arrggghh ! Bytereversed or old big-endian - make order independent ! */
/*
* high and low records were created on a
* big endian machine and will need byte-reversing.
*/
int32 wm;
status = dbwrap_fetch_int32(db, HWM_USER, &wm);
if (!NT_STATUS_IS_OK(status)) {
wm = -1;
}
if (wm != -1) {
wm = IREV(wm);
} else {
wm = dom->low_id;
}
status = dbwrap_store_int32(db, HWM_USER, wm);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, ("Unable to byteswap user hwm in idmap "
"database: %s\n", nt_errstr(status)));
return False;
}
status = dbwrap_fetch_int32(db, HWM_GROUP, &wm);
if (!NT_STATUS_IS_OK(status)) {
wm = -1;
}
if (wm != -1) {
wm = IREV(wm);
} else {
wm = dom->low_id;
}
status = dbwrap_store_int32(db, HWM_GROUP, wm);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, ("Unable to byteswap group hwm in idmap "
"database: %s\n", nt_errstr(status)));
return False;
}
}
s.db = db;
s.failed = false;
/* the old format stored as DOMAIN/rid - now we store the SID direct */
status = dbwrap_traverse(db, convert_fn, &s, NULL);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, ("Database traverse failed during conversion\n"));
return false;
}
if (s.failed) {
DEBUG(0, ("Problem during conversion\n"));
return False;
}
status = dbwrap_store_int32(db, "IDMAP_VERSION", IDMAP_VERSION);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, ("Unable to store idmap version in database: %s\n",
nt_errstr(status)));
return False;
}
return True;
}
/****************************************************************************
Open the group mapping tdb.
****************************************************************************/
NTSTATUS samba3_read_grouptdb(const char *file, TALLOC_CTX *ctx, struct samba3_groupdb *db)
{
int32_t vers_id;
TDB_DATA kbuf, dbuf, newkey;
int ret;
TDB_CONTEXT *tdb;
tdb = tdb_open(file, 0, TDB_DEFAULT, O_RDONLY, 0600);
if (!tdb) {
DEBUG(0,("Failed to open group mapping database\n"));
return NT_STATUS_UNSUCCESSFUL;
}
/* Cope with byte-reversed older versions of the db. */
vers_id = tdb_fetch_int32(tdb, "INFO/version");
if ((vers_id == DATABASE_VERSION_V1) || (IREV(vers_id) == DATABASE_VERSION_V1)) {
/* Written on a bigendian machine with old fetch_int code. Save as le. */
vers_id = DATABASE_VERSION_V2;
}
if (vers_id != DATABASE_VERSION_V2) {
DEBUG(0, ("Group database version mismatch: %d\n", vers_id));
return NT_STATUS_UNSUCCESSFUL;
}
db->groupmappings = NULL;
db->groupmap_count = 0;
db->aliases = NULL;
db->alias_count = 0;
for (kbuf = tdb_firstkey(tdb);
kbuf.dptr;
newkey = tdb_nextkey(tdb, kbuf), free(kbuf.dptr), kbuf=newkey) {
struct samba3_groupmapping map;
const char *k = (const char *)kbuf.dptr;
if (strncmp(k, GROUP_PREFIX, strlen(GROUP_PREFIX)) == 0)
{
dbuf = tdb_fetch(tdb, kbuf);
if (!dbuf.dptr)
continue;
ZERO_STRUCT(map);
map.sid = dom_sid_parse_talloc(ctx, k+strlen(GROUP_PREFIX));
ret = tdb_unpack(tdb, (char *)dbuf.dptr, dbuf.dsize, "dd",
&map.gid, &map.sid_name_use);
if ( ret == -1 ) {
DEBUG(3,("enum_group_mapping: tdb_unpack failure\n"));
continue;
}
map.nt_name = talloc_strdup(ctx, (const char *)(dbuf.dptr+ret));
map.comment = talloc_strdup(ctx, (const char *)(dbuf.dptr+ret+strlen(map.nt_name)));
db->groupmappings = talloc_realloc(ctx, db->groupmappings, struct samba3_groupmapping, db->groupmap_count+1);
if (!db->groupmappings)
return NT_STATUS_NO_MEMORY;
db->groupmappings[db->groupmap_count] = map;
db->groupmap_count++;
} else if (strncmp(k, MEMBEROF_PREFIX, strlen(MEMBEROF_PREFIX)) == 0)
static bool idmap_tdb_upgrade(struct db_context *db)
{
int32 vers;
bool bigendianheader;
struct convert_fn_state s;
DEBUG(0, ("Upgrading winbindd_idmap.tdb from an old version\n"));
bigendianheader = (db->get_flags(db) & TDB_BIGENDIAN) ? True : False;
vers = dbwrap_fetch_int32(db, "IDMAP_VERSION");
if (((vers == -1) && bigendianheader) || (IREV(vers) == IDMAP_VERSION)) {
/* Arrggghh ! Bytereversed or old big-endian - make order independent ! */
/*
* high and low records were created on a
* big endian machine and will need byte-reversing.
*/
int32 wm;
wm = dbwrap_fetch_int32(db, HWM_USER);
if (wm != -1) {
wm = IREV(wm);
} else {
wm = idmap_tdb_state.low_uid;
}
if (dbwrap_store_int32(db, HWM_USER, wm) == -1) {
DEBUG(0, ("Unable to byteswap user hwm in idmap database\n"));
return False;
}
wm = dbwrap_fetch_int32(db, HWM_GROUP);
if (wm != -1) {
wm = IREV(wm);
} else {
wm = idmap_tdb_state.low_gid;
}
if (dbwrap_store_int32(db, HWM_GROUP, wm) == -1) {
DEBUG(0, ("Unable to byteswap group hwm in idmap database\n"));
return False;
}
}
s.db = db;
s.failed = false;
/* the old format stored as DOMAIN/rid - now we store the SID direct */
db->traverse(db, convert_fn, &s);
if (s.failed) {
DEBUG(0, ("Problem during conversion\n"));
return False;
}
if (dbwrap_store_int32(db, "IDMAP_VERSION", IDMAP_VERSION) == -1) {
DEBUG(0, ("Unable to store idmap version in databse\n"));
return False;
}
return True;
}
static bool idmap_tdb_upgrade(struct idmap_domain *dom, struct db_context *db)
{
int32_t vers;
struct convert_fn_state s;
NTSTATUS status;
status = dbwrap_fetch_int32_bystring(db, "IDMAP_VERSION", &vers);
if (!NT_STATUS_IS_OK(status)) {
vers = -1;
}
if (IREV(vers) == IDMAP_VERSION) {
/* Arrggghh ! Bytereversed - make order independent ! */
/*
* high and low records were created on a
* big endian machine and will need byte-reversing.
*/
int32_t wm;
status = dbwrap_fetch_int32_bystring(db, HWM_USER, &wm);
if (!NT_STATUS_IS_OK(status)) {
wm = -1;
}
if (wm != -1) {
wm = IREV(wm);
} else {
wm = dom->low_id;
}
status = dbwrap_store_int32_bystring(db, HWM_USER, wm);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, ("Unable to byteswap user hwm in idmap "
"database: %s\n", nt_errstr(status)));
return False;
}
status = dbwrap_fetch_int32_bystring(db, HWM_GROUP, &wm);
if (!NT_STATUS_IS_OK(status)) {
wm = -1;
}
if (wm != -1) {
wm = IREV(wm);
} else {
wm = dom->low_id;
}
status = dbwrap_store_int32_bystring(db, HWM_GROUP, wm);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, ("Unable to byteswap group hwm in idmap "
"database: %s\n", nt_errstr(status)));
return False;
}
}
s.db = db;
s.failed = false;
/* the old format stored as DOMAIN/rid - now we store the SID direct */
status = dbwrap_traverse(db, convert_fn, &s, NULL);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, ("Database traverse failed during conversion\n"));
return false;
}
if (s.failed) {
DEBUG(0, ("Problem during conversion\n"));
return False;
}
status = dbwrap_store_int32_bystring(db, "IDMAP_VERSION",
IDMAP_VERSION);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, ("Unable to store idmap version in database: %s\n",
nt_errstr(status)));
return False;
}
return True;
}
bool share_info_db_init(void)
{
const char *vstring = "INFO/version";
int32 vers_id;
if (share_db != NULL) {
return True;
}
share_db = db_open(NULL, state_path("share_info.tdb"), 0,
TDB_DEFAULT, O_RDWR|O_CREAT, 0600);
if (share_db == NULL) {
DEBUG(0,("Failed to open share info database %s (%s)\n",
state_path("share_info.tdb"), strerror(errno) ));
return False;
}
vers_id = dbwrap_fetch_int32(share_db, vstring);
if (vers_id == SHARE_DATABASE_VERSION_V2) {
return true;
}
if (share_db->transaction_start(share_db) != 0) {
DEBUG(0, ("transaction_start failed\n"));
TALLOC_FREE(share_db);
return false;
}
vers_id = dbwrap_fetch_int32(share_db, vstring);
if (vers_id == SHARE_DATABASE_VERSION_V2) {
/*
* Race condition
*/
if (share_db->transaction_cancel(share_db)) {
smb_panic("transaction_cancel failed");
}
return true;
}
/* Cope with byte-reversed older versions of the db. */
if ((vers_id == SHARE_DATABASE_VERSION_V1) || (IREV(vers_id) == SHARE_DATABASE_VERSION_V1)) {
/* Written on a bigendian machine with old fetch_int code. Save as le. */
if (dbwrap_store_int32(share_db, vstring,
SHARE_DATABASE_VERSION_V2) != 0) {
DEBUG(0, ("dbwrap_store_int32 failed\n"));
goto cancel;
}
vers_id = SHARE_DATABASE_VERSION_V2;
}
if (vers_id != SHARE_DATABASE_VERSION_V2) {
int ret;
ret = share_db->traverse(share_db, delete_fn, NULL);
if (ret < 0) {
DEBUG(0, ("traverse failed\n"));
goto cancel;
}
if (dbwrap_store_int32(share_db, vstring,
SHARE_DATABASE_VERSION_V2) != 0) {
DEBUG(0, ("dbwrap_store_int32 failed\n"));
goto cancel;
}
}
if (share_db->transaction_commit(share_db) != 0) {
DEBUG(0, ("transaction_commit failed\n"));
return false;
}
return true;
cancel:
if (share_db->transaction_cancel(share_db)) {
smb_panic("transaction_cancel failed");
}
return false;
}
/****************************************************************************
Open the group mapping tdb.
****************************************************************************/
static bool init_group_mapping(void)
{
const char *ldb_path;
if (db != NULL) {
return true;
}
db = db_open(NULL, state_path("group_mapping.tdb"), 0,
TDB_DEFAULT, O_RDWR|O_CREAT, 0600,
DBWRAP_LOCK_ORDER_1);
if (db == NULL) {
DEBUG(0, ("Failed to open group mapping database: %s\n",
strerror(errno)));
return false;
}
ldb_path = state_path("group_mapping.ldb");
if (file_exist(ldb_path) && !mapping_switch(ldb_path)) {
unlink(state_path("group_mapping.tdb"));
return false;
} else {
/* handle upgrade from old versions of the database */
#if 0 /* -- Needs conversion to dbwrap -- */
const char *vstring = "INFO/version";
int32 vers_id;
GROUP_MAP *map_table = NULL;
size_t num_entries = 0;
/* handle a Samba upgrade */
tdb_lock_bystring(tdb, vstring);
/* Cope with byte-reversed older versions of the db. */
vers_id = tdb_fetch_int32(tdb, vstring);
if ((vers_id == DATABASE_VERSION_V1)
|| (IREV(vers_id) == DATABASE_VERSION_V1)) {
/*
* Written on a bigendian machine with old fetch_int
* code. Save as le.
*/
tdb_store_int32(tdb, vstring, DATABASE_VERSION_V2);
vers_id = DATABASE_VERSION_V2;
}
/* if its an unknown version we remove everthing in the db */
if (vers_id != DATABASE_VERSION_V2) {
tdb_wipe_all(tdb);
tdb_store_int32(tdb, vstring, DATABASE_VERSION_V2);
}
tdb_unlock_bystring(tdb, vstring);
/* cleanup any map entries with a gid == -1 */
if ( enum_group_mapping( NULL, SID_NAME_UNKNOWN, &map_table,
&num_entries, False ) ) {
int i;
for ( i=0; i<num_entries; i++ ) {
if ( map_table[i].gid == -1 ) {
group_map_remove( &map_table[i].sid );
}
}
SAFE_FREE( map_table );
}
#endif
}
return true;
}
bool share_info_db_init(void)
{
const char *vstring = "INFO/version";
int32 vers_id = 0;
bool upgrade_ok = true;
NTSTATUS status;
if (share_db != NULL) {
return True;
}
share_db = db_open(NULL, state_path("share_info.tdb"), 0,
TDB_DEFAULT, O_RDWR|O_CREAT, 0600);
if (share_db == NULL) {
DEBUG(0,("Failed to open share info database %s (%s)\n",
state_path("share_info.tdb"), strerror(errno) ));
return False;
}
status = dbwrap_fetch_int32(share_db, vstring, &vers_id);
if (!NT_STATUS_IS_OK(status)) {
vers_id = 0;
}
if (vers_id == SHARE_DATABASE_VERSION_V3) {
return true;
}
if (dbwrap_transaction_start(share_db) != 0) {
DEBUG(0, ("transaction_start failed\n"));
TALLOC_FREE(share_db);
return false;
}
status = dbwrap_fetch_int32(share_db, vstring, &vers_id);
if (!NT_STATUS_IS_OK(status)) {
vers_id = 0;
}
if (vers_id == SHARE_DATABASE_VERSION_V3) {
/*
* Race condition
*/
if (dbwrap_transaction_cancel(share_db)) {
smb_panic("transaction_cancel failed");
}
return true;
}
/* Move to at least V2. */
/* Cope with byte-reversed older versions of the db. */
if ((vers_id == SHARE_DATABASE_VERSION_V1) || (IREV(vers_id) == SHARE_DATABASE_VERSION_V1)) {
/* Written on a bigendian machine with old fetch_int code. Save as le. */
status = dbwrap_store_int32(share_db, vstring,
SHARE_DATABASE_VERSION_V2);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, ("dbwrap_store_int32 failed: %s\n",
nt_errstr(status)));
goto cancel;
}
vers_id = SHARE_DATABASE_VERSION_V2;
}
if (vers_id != SHARE_DATABASE_VERSION_V2) {
status = dbwrap_traverse(share_db, delete_fn, NULL, NULL);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, ("traverse failed\n"));
goto cancel;
}
status = dbwrap_store_int32(share_db, vstring,
SHARE_DATABASE_VERSION_V2);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, ("dbwrap_store_int32 failed: %s\n",
nt_errstr(status)));
goto cancel;
}
}
/* Finally upgrade to version 3, with canonicalized sharenames. */
status = dbwrap_traverse(share_db, upgrade_v2_to_v3, &upgrade_ok, NULL);
if (!NT_STATUS_IS_OK(status) || upgrade_ok == false) {
DEBUG(0, ("traverse failed\n"));
goto cancel;
}
status = dbwrap_store_int32(share_db, vstring,
SHARE_DATABASE_VERSION_V3);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(0, ("dbwrap_store_int32 failed: %s\n",
nt_errstr(status)));
goto cancel;
}
if (dbwrap_transaction_commit(share_db) != 0) {
DEBUG(0, ("transaction_commit failed\n"));
return false;
}
return true;
cancel:
if (dbwrap_transaction_cancel(share_db)) {
smb_panic("transaction_cancel failed");
}
return false;
}
/****************************************************************************
Open the group mapping tdb.
****************************************************************************/
static bool init_group_mapping(void)
{
if (db != NULL) {
return true;
}
db = db_open_trans(NULL, state_path("group_mapping.tdb"), 0,
TDB_DEFAULT, O_RDWR|O_CREAT, 0600);
if (db == NULL) {
DEBUG(0, ("Failed to open group mapping database: %s\n",
strerror(errno)));
return false;
}
#if 0
/*
* This code was designed to handle a group mapping version
* upgrade. mapping_tdb is not active by default anymore, so ignore
* this here.
*/
{
const char *vstring = "INFO/version";
int32 vers_id;
GROUP_MAP *map_table = NULL;
size_t num_entries = 0;
/* handle a Samba upgrade */
tdb_lock_bystring(tdb, vstring);
/* Cope with byte-reversed older versions of the db. */
vers_id = tdb_fetch_int32(tdb, vstring);
if ((vers_id == DATABASE_VERSION_V1)
|| (IREV(vers_id) == DATABASE_VERSION_V1)) {
/*
* Written on a bigendian machine with old fetch_int
* code. Save as le.
*/
tdb_store_int32(tdb, vstring, DATABASE_VERSION_V2);
vers_id = DATABASE_VERSION_V2;
}
/* if its an unknown version we remove everthing in the db */
if (vers_id != DATABASE_VERSION_V2) {
tdb_wipe_all(tdb);
tdb_store_int32(tdb, vstring, DATABASE_VERSION_V2);
}
tdb_unlock_bystring(tdb, vstring);
/* cleanup any map entries with a gid == -1 */
if ( enum_group_mapping( NULL, SID_NAME_UNKNOWN, &map_table,
&num_entries, False ) ) {
int i;
for ( i=0; i<num_entries; i++ ) {
if ( map_table[i].gid == -1 ) {
group_map_remove( &map_table[i].sid );
}
}
SAFE_FREE( map_table );
}
}
#endif
return true;
}
