mirror of git://git.gnupg.org/gnupg.git
118 lines
3.0 KiB
C
118 lines
3.0 KiB
C
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/* card-util.c - Utility functions for the OpenPGP card.
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* Copyright (C) 2003 Free Software Foundation, Inc.
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*
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* This file is part of GnuPG.
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*
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* GnuPG is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* GnuPG is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <assert.h>
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#include "gpg.h"
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#include "util.h"
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#include "i18n.h"
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#include "options.h"
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#include "main.h"
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#include "call-agent.h"
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/* Change the PIN of a an OpenPGP card. This is an interactive
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function. */
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void
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change_pin (int chvno)
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{
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struct agent_card_info_s info;
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int rc;
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int reset_mode = 0;
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rc = agent_learn (&info);
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if (rc)
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{
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log_error (_("OpenPGP card not available: %s\n"),
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gpg_strerror (rc));
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return;
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}
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log_info (_("OpenPGP card no. %s detected\n"),
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info.serialno? info.serialno : "[none]");
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agent_release_card_info (&info);
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if (opt.batch)
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{
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log_error (_("sorry, can't do this in batch mode\n"));
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return;
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}
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for (;;)
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{
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char *answer;
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int reread = 0;
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tty_printf ("\n");
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tty_printf ("1 - change signature PIN\n"
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"2 - change decryption and authentication PIN\n"
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"3 - change Admin's PIN\n"
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"R - toggle reset retry counter mode\n"
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"Q - quit\n");
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tty_printf ("\n");
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if (reset_mode)
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{
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tty_printf ("Reset Retry Counter mode active\n");
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tty_printf ("\n");
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}
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answer = cpr_get("cardutil.change_pin.menu",_("Your selection? "));
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cpr_kill_prompt();
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if (strlen (answer) != 1)
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continue;
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rc = 0;
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if (reset_mode && *answer == '3')
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{
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tty_printf ("Sorry, reset of the Admin PIN's retry counter "
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"is not possible.\n");
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}
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else if (*answer == '1' || *answer == '2' || *answer == '3')
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{
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rc = agent_scd_change_pin (*answer - '0' + (reset_mode?100:0));
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if (rc)
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tty_printf ("Error changing/resetting the PIN: %s\n",
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gpg_strerror (rc));
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else
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tty_printf ("New PIN successfully set.\n");
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}
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else if (*answer == 'r' || *answer == 'R')
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{
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reset_mode = !reset_mode;
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}
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else if (*answer == 'q' || *answer == 'Q')
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{
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break;
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}
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}
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}
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