static void TestUI(UI *ui)
{
char buffer[64] = {'!'};
if (ui)
{
char answer1 = '!', answer2 = '!';
int ok;
if ((ok = UI_add_info_string(ui, "Info")) < 0)
printf("Error while adding info string\n");
else if ((ok = UI_add_input_string(ui, "Prompt2", 0, &buffer[0], 0,
sizeof(buffer) - 1)) < 0)
printf("Error while adding input string\n");
else if ((ok = UI_dup_input_boolean(ui, "Boolean1",
"\n then hit <enter> or C<enter> to cancel\n",
"o", "c", UI_INPUT_FLAG_ECHO,
&answer1)) < 0)
printf("Error while adding boolean string\n");
else if ((ok = UI_dup_input_boolean(ui, "Boolean2",
"\n then hit <enter> or C<enter> to cancel\n",
"y", "N", UI_INPUT_FLAG_ECHO,
&answer2)) < 0)
printf("Error while adding boolean string\n");
else if ((ok = UI_process(ui)) < 0)
printf("Error during UI_process\n");
printf("Prompt result: %s\n", &buffer[0]);
printf("Answer1: %c\n", answer1);
printf("Answer2: %c\n", answer2);
}
}
static int hwcrhk_insert_card(const char *prompt_info,
const char *wrong_info,
HWCryptoHook_PassphraseContext *ppctx,
HWCryptoHook_CallerContext *cactx)
{
int ok = -1;
UI *ui;
void *callback_data = NULL;
UI_METHOD *ui_method = NULL;
if (cactx)
{
if (cactx->ui_method)
ui_method = cactx->ui_method;
if (cactx->callback_data)
callback_data = cactx->callback_data;
}
if (ppctx)
{
if (ppctx->ui_method)
ui_method = ppctx->ui_method;
if (ppctx->callback_data)
callback_data = ppctx->callback_data;
}
if (ui_method == NULL)
{
HWCRHKerr(HWCRHK_F_HWCRHK_INSERT_CARD,
HWCRHK_R_NO_CALLBACK);
return -1;
}
ui = UI_new_method(ui_method);
if (ui)
{
char answer;
char buf[BUFSIZ];
/* 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);
else
buf[0] = 0;
ok = UI_dup_info_string(ui, buf);
if (ok >= 0 && prompt_info)
{
BIO_snprintf(buf, sizeof(buf)-1,
"Insert card \"%s\"", prompt_info);
ok = UI_dup_input_boolean(ui, buf,
"\n then hit <enter> or C<enter> to cancel\n",
"\r\n", "Cc", UI_INPUT_FLAG_ECHO, &answer);
}
UI_add_user_data(ui, callback_data);
if (ok >= 0)
ok = UI_process(ui);
UI_free(ui);
if (ok == -2 || (ok >= 0 && answer == 'C'))
ok = 1;
else if (ok < 0)
ok = -1;
else
ok = 0;
}
return ok;
}
