diff options
| -rw-r--r-- | source4/lib/samba3/idmap.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/source4/lib/samba3/idmap.c b/source4/lib/samba3/idmap.c index 4521ae72b3..334accc2aa 100644 --- a/source4/lib/samba3/idmap.c +++ b/source4/lib/samba3/idmap.c @@ -34,9 +34,7 @@ #define HWM_USER "USER HWM" /* idmap version determines auto-conversion */ -#if 0 /* unused */ #define IDMAP_VERSION 2 -#endif /***************************************************************************** Initialise idmap database. @@ -46,6 +44,7 @@ NTSTATUS samba3_read_idmap(const char *fn, TALLOC_CTX *ctx, struct samba3_idmapd { TDB_CONTEXT *tdb; TDB_DATA key, val; + int32_t version; /* Open idmap repository */ if (!(tdb = tdb_open(fn, 0, TDB_DEFAULT, O_RDONLY, 0644))) { @@ -58,6 +57,13 @@ NTSTATUS samba3_read_idmap(const char *fn, TALLOC_CTX *ctx, struct samba3_idmapd idmap->user_hwm = tdb_fetch_int32(tdb, HWM_USER); idmap->group_hwm = tdb_fetch_int32(tdb, HWM_GROUP); + /* check against earlier versions */ + version = tdb_fetch_int32(tdb, "IDMAP_VERSION"); + if (version != IDMAP_VERSION) { + DEBUG(0, ("idmap_init: Unable to open idmap database, it's in an old format!\n")); + return NT_STATUS_INTERNAL_DB_ERROR; + } + for (key = tdb_firstkey(tdb); key.dptr; key = tdb_nextkey(tdb, key)) { struct samba3_idmap_mapping map; |