Add check for the optional member app, fix OpenSC#3084

xhanulik · Apr 4, 2024 · 6bad814 · 6bad814
1 parent 2b5f3b1
commit 6bad814
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/src/minidriver/minidriver.c b/src/minidriver/minidriver.c
@@ -513,9 +513,12 @@ get_pin_by_name(PCARD_DATA pCardData, struct sc_pkcs15_card *p15card, int role,
  if (!conf_block)
  MD_FUNC_RETURN(pCardData, 1, SCARD_F_INTERNAL_ERROR);
 
- memset(str_path, 0, sizeof(str_path));
- sc_bin_to_hex(p15card->app->path.value, p15card->app->path.len, str_path, sizeof(str_path), 0);
- blocks = scconf_find_blocks(p15card->card->ctx->conf, conf_block, "application", str_path);
+ if ( p15card->app != NULL ) {
+ memset(str_path, 0, sizeof(str_path));
+ sc_bin_to_hex(p15card->app->path.value, p15card->app->path.len, str_path, sizeof(str_path), 0);
+ blocks = scconf_find_blocks(p15card->card->ctx->conf, conf_block, "application", str_path);
+ }
+
  if (blocks) {
  if (blocks[0]) {
  pin = (char *)scconf_get_str(blocks[0], pin_type, NULL);