store: check for NULL uri argument

Fixes #28978

Reviewed-by: Neil Horman <nhorman@openssl.org>
Reviewed-by: Saša Nedvědický <sashan@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/28980)

(cherry picked from commit e9e643bc580e4ba0c6f8f9b4dd2ce59397b1b786)

diff --git a/crypto/store/store_lib.c b/crypto/store/store_lib.c
index b81d3982c56703aeb7253f0d121a51f69357e7e0..510d7d9f5b0b52d70bf88032a83671ea26ee6733 100644 (file)
--- a/crypto/store/store_lib.c
+++ b/crypto/store/store_lib.c
@@ -76,6 +76,11 @@ OSSL_STORE_open_ex(const char *uri, OSSL_LIB_CTX *libctx, const char *propq,
     size_t schemes_n = 0;
     size_t i;
 
+    if (uri == NULL) {
+        ERR_raise(ERR_LIB_OSSL_STORE, CRYPTO_R_INVALID_NULL_ARGUMENT);
+        return 0;
+    }
+
     /*
      * Put the file scheme first.  If the uri does represent an existing file,
      * possible device name and all, then it should be loaded.  Only a failed