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authorJeremy Allison <jra@samba.org>2006-02-28 06:33:31 +0000
committerGerald (Jerry) Carter <jerry@samba.org>2007-10-10 11:10:51 -0500
commitddf14cc286944e11cebfcf550cf57a7a9436a5a0 (patch)
tree3ad4699f8fa0c23376617177509cbc816690d1e3 /source3/passdb
parent51d3bbe2858c8ed1afd9b3fd46ae952fd22d48f0 (diff)
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r13747: Fix the reference count for tdbsam_open() - on an
upgrade it calls tdbsam_convert() which calls tdbsam_open() deep inside the init_sam_from_buffer_vX call. If the ref count hasn't been set yet then we will close the tdbsam reference in tdbsam_getsampwsid(). smbpasswd -a was core-dumping again :-). Jeremy (This used to be commit 993069eb87c190ba8ee92224340c8f9ffb3ade74)
Diffstat (limited to 'source3/passdb')
-rw-r--r--source3/passdb/pdb_tdb.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/source3/passdb/pdb_tdb.c b/source3/passdb/pdb_tdb.c
index fdf22d9c42..b38ebe436a 100644
--- a/source3/passdb/pdb_tdb.c
+++ b/source3/passdb/pdb_tdb.c
@@ -817,17 +817,24 @@ static BOOL tdbsam_open( const char *name )
return False;
}
+ /* set the initial reference count - must be done before tdbsam_convert
+ as that calls tdbsam_open()/tdbsam_close(). */
+
+ ref_count = 1;
+
/* Check the version */
version = tdb_fetch_int32( tdbsam, TDBSAM_VERSION_STRING );
- if (version == -1)
+ 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 */
DEBUG(0, ("tdbsam_open: unknown version => %d\n", version));
tdb_close( tdbsam );
+ ref_count = 0;
return False;
}
@@ -839,16 +846,13 @@ static BOOL tdbsam_open( const char *name )
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"));
}
- /* set the initial reference count */
-
- ref_count = 1;
-
DEBUG(4,("tdbsam_open: successfully opened %s\n", name ));
return True;