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)

diff --git a/crypto/store/store_lib.c b/crypto/store/store_lib.c
index ebf170c3e8f1653a6e79fb06b3de443d0fc05a39..5d9601617cc5ac553f942eba234ba2636542b5e7 100644 (file)
--- a/crypto/store/store_lib.c
+++ b/crypto/store/store_lib.c
@@ -77,6 +77,11 @@ 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