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authorStefan Metzmacher <metze@samba.org>2009-12-04 16:34:08 +0100
committerStefan Metzmacher <metze@samba.org>2009-12-07 19:56:56 +0100
commit8f19c08072a7a6036d59cf6c2ca6ce17c74b7635 (patch)
treeb52a15d63d435547c69a2f02aa6c7b7773fcacfb /source3
parent6f6608c2aa6122c87ea1e8a937708d08e6c5785e (diff)
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s3: let netsamlogon_cache_init() use tdb_check()
If the check fails we try to unlink the old file and start with an empty cache. metze
Diffstat (limited to 'source3')
-rw-r--r--source3/libsmb/samlogon_cache.c46
1 files changed, 42 insertions, 4 deletions
diff --git a/source3/libsmb/samlogon_cache.c b/source3/libsmb/samlogon_cache.c
index c96f5dad83..12901826ee 100644
--- a/source3/libsmb/samlogon_cache.c
+++ b/source3/libsmb/samlogon_cache.c
@@ -34,12 +34,50 @@ static TDB_CONTEXT *netsamlogon_tdb = NULL;
bool netsamlogon_cache_init(void)
{
- if (!netsamlogon_tdb) {
- netsamlogon_tdb = tdb_open_log(cache_path(NETSAMLOGON_TDB), 0,
- TDB_DEFAULT, O_RDWR | O_CREAT, 0600);
+ bool first_try = true;
+ const char *path = NULL;
+ int ret;
+ struct tdb_context *tdb;
+
+ if (netsamlogon_tdb) {
+ return true;
+ }
+
+ path = cache_path(NETSAMLOGON_TDB);
+again:
+ tdb = tdb_open_log(path, 0, TDB_DEFAULT,
+ O_RDWR | O_CREAT, 0600);
+ if (tdb == NULL) {
+ DEBUG(0,("tdb_open_log('%s') - failed\n", path));
+ goto clear;
+ }
+
+ ret = tdb_check(tdb, NULL, NULL);
+ if (ret != 0) {
+ tdb_close(tdb);
+ DEBUG(0,("tdb_check('%s') - failed\n", path));
+ goto clear;
+ }
+
+ netsamlogon_tdb = tdb;
+ return true;
+
+clear:
+ if (!first_try) {
+ return false;
+ }
+ first_try = false;
+
+ DEBUG(0,("retry after CLEAR_IF_FIRST for '%s'\n", path));
+ tdb = tdb_open_log(path, 0, TDB_CLEAR_IF_FIRST,
+ O_RDWR | O_CREAT, 0600);
+ if (tdb) {
+ tdb_close(tdb);
+ goto again;
}
+ DEBUG(0,("tdb_open_log(%s) with CLEAR_IF_FIRST - failed\n", path));
- return (netsamlogon_tdb != NULL);
+ return false;
}