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scd: Support "acknowledge button" feature.

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* scd/apdu.c (set_prompt_cb): New member function.
(set_prompt_cb_ccid_reader): New function.
(open_ccid_reader): Initialize with set_prompt_cb_ccid_reader.
(apdu_set_prompt_cb): New.
* scd/app.c (lock_app, unlock_app): Add call to apdu_set_prompt_cb.
* ccid-driver.c (ccid_set_prompt_cb): New.
(bulk_in): Call ->prompt_cb when timer extension.
* scd/command.c (popup_prompt): New.

Signed-off-by: NIIBE Yutaka <gniibe@fsij.org>
This commit is contained in:
NIIBE Yutaka 2018-10-11 15:41:49 +09:00
parent 827529339a
commit 7a5a4c4cac
7 changed files with 97 additions and 1 deletions
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28
scd/command.c
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@ -1898,6 +1898,34 @@ send_status_direct (ctrl_t ctrl, const char *keyword, const char *args)
}
void
popup_prompt (void *opaque, int on)
{
ctrl_t ctrl = opaque;
if (ctrl)
{
assuan_context_t ctx = ctrl->server_local->assuan_ctx;
if (ctx)
{
const char *cmd;
gpg_error_t err;
unsigned char *value;
size_t valuelen;
if (on)
cmd = "POPUPPINPADPROMPT --ack";
else
cmd = "DISMISSPINPADPROMPT";
err = assuan_inquire (ctx, cmd, &value, &valuelen, 100);
if (!err)
xfree (value);
}
}
}
/* Helper to send the clients a status change notification. */
void
send_client_notifications (app_t app, int removal)