challenger

commit a43df1b23aa7843ab7770176328c9d5881d667c0
parent 7be09dcc18d9b1dff53db38c6da71d3a68349fc8
Author: Bohdan Potuzhnyi <potub1@bfh.ch>
Date:   Sun, 15 Sep 2024 10:58:54 +0000

update of the check for gcry_md_open

Diffstat:
M
src/challenger/challenger-httpd_token.c
 | 
22
++++++++++++++++------

1 file changed, 16 insertions(+), 6 deletions(-)
diff --git a/src/challenger/challenger-httpd_token.c b/src/challenger/challenger-httpd_token.c
@@ -429,12 +429,22 @@ CH_handler_token (struct CH_HandlerContext *hc,
         char *encoded_hash = NULL;
         size_t encoded_len;
 
-        // Initialize libgcrypt
-        if (!gcry_check_version(GCRYPT_VERSION)) {
-            fprintf(stderr, "libgcrypt version mismatch\n");
-            exit(2);
-        }
-        gcry_md_open(&hd, GCRY_MD_SHA256, 0);
+	if(GPG_ERR_NO_ERROR != gcry_md_open(&hd, GCRY_MD_SHA256, 0))
+	{
+	  GNUNET_break_op(0);
+	  GNUNET_free(client_scope);
+          GNUNET_free(client_secret);
+          GNUNET_free(client_redirect_uri);
+          GNUNET_free(client_state);
+          GNUNET_free(code_challenge);
+          GNUNET_free(code_challenge_method);
+          return TALER_MHD_reply_with_oauth_error(
+              hc->connection,
+              MHD_HTTP_INTERNAL_SERVER_ERROR,
+              "server_error",
+              TALER_EC_CHALLENGER_HELPER_EXEC_FAILED,
+              "Failed to initialize SHA256 hash function");
+	}
         gcry_md_write(hd, bc->code_verifier, strlen(bc->code_verifier));
         memcpy(hash, gcry_md_read(hd, 0), 32);
         gcry_md_close(hd);