Commit 118b90c5 authored by Dr. Stephen Henson's avatar Dr. Stephen Henson
Browse files

PR: 2192 

Submitted By: Jaroslav Imrich <jaroslav.imrich@disig.sk>

The prompt_info and wrong_info parameters can be empty strings which
can produce confusing prompts. Treat empty string same as NULL.
parent f6a61b14

engines/e_chil.c

+9 −2
Original line number Diff line number Diff line
@@ -1201,6 +1201,11 @@ static int hwcrhk_get_pass(const char *prompt_info, 
	pem_password_cb *callback = NULL;

	void *callback_data = NULL;

        UI_METHOD *ui_method = NULL;

	/* Despite what the documentation says prompt_info can be

	 * an empty string.

	 */

	if (prompt_info && !*prompt_info)

		prompt_info = NULL;



        if (cactx)

                {
@@ -1302,8 +1307,10 @@ static int hwcrhk_insert_card(const char *prompt_info, 
		{

		char answer;

		char buf[BUFSIZ];



		if (wrong_info)

		/* Despite what the documentation says wrong_info can be

	 	 * an empty string.

		 */

		if (wrong_info && *wrong_info)

			BIO_snprintf(buf, sizeof(buf)-1,

				"Current card: \"%s\"\n", wrong_info);

		ok = UI_dup_info_string(ui, buf);