From 8c4e6f0cba164c91661a654e2ccc13c265a06953 Mon Sep 17 00:00:00 2001 From: Volker Lendecke Date: Sun, 18 Aug 2013 19:37:56 +0000 Subject: samdb: Fix CID 1034910 Dereference before null check strncmp("tdb://", sam_name, 6) dereferences sam_name. Check for NULL before that. Signed-off-by: Volker Lendecke Reviewed-by: Andrew Bartlett --- source4/dsdb/samdb/ldb_modules/schema_load.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) (limited to 'source4/dsdb') diff --git a/source4/dsdb/samdb/ldb_modules/schema_load.c b/source4/dsdb/samdb/ldb_modules/schema_load.c index faaf3f2071..93e8e978fd 100644 --- a/source4/dsdb/samdb/ldb_modules/schema_load.c +++ b/source4/dsdb/samdb/ldb_modules/schema_load.c @@ -68,13 +68,13 @@ static int schema_metadata_open(struct ldb_module *module) } sam_name = (const char *)ldb_get_opaque(ldb, "ldb_url"); - if (strncmp("tdb://", sam_name, 6) == 0) { - sam_name += 6; - } if (!sam_name) { talloc_free(tmp_ctx); return ldb_operr(ldb); } + if (strncmp("tdb://", sam_name, 6) == 0) { + sam_name += 6; + } filename = talloc_asprintf(tmp_ctx, "%s.d/metadata.tdb", sam_name); if (!filename) { talloc_free(tmp_ctx); -- cgit