2004-08-08 14:56:12 +02:00
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/*
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* Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
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* Copyright (C) 1999-2003 Hiroyuki Yamamoto & the Sylpheed-Claws team
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*
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* This program 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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* This program 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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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#endif
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#ifdef USE_GPGME
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#include <time.h>
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#include <gtk/gtk.h>
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#include <gpgme.h>
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2005-02-10 13:06:07 +01:00
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#include <glib.h>
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#include <glib/gi18n.h>
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2005-07-13 04:56:41 +02:00
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#include <stdio.h>
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2004-08-08 14:56:12 +02:00
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#include "sgpgme.h"
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#include "privacy.h"
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#include "prefs_common.h"
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#include "utils.h"
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#include "alertpanel.h"
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#include "passphrase.h"
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2004-10-12 11:45:18 +02:00
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#include "prefs_gpg.h"
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#include "select-keys.h"
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2004-08-08 14:56:12 +02:00
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static void sgpgme_disable_all(void)
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{
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/* FIXME: set a flag, so that we don't bother the user with failed
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* gpgme messages */
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}
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2005-07-13 04:56:41 +02:00
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gpgme_verify_result_t sgpgme_verify_signature(gpgme_ctx_t ctx, gpgme_data_t sig,
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gpgme_data_t plain, gpgme_data_t dummy)
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2004-08-08 14:56:12 +02:00
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{
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2005-07-13 04:56:41 +02:00
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gpgme_verify_result_t status = NULL;
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gpgme_error_t err;
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2004-08-08 14:56:12 +02:00
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2005-07-13 04:56:41 +02:00
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if ((err = gpgme_op_verify(ctx, sig, plain, dummy)) != GPG_ERR_NO_ERROR) {
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debug_print("op_verify err %s\n", gpgme_strerror(err));
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return NULL;
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}
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status = gpgme_op_verify_result(ctx);
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2004-08-08 14:56:12 +02:00
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return status;
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}
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2005-07-13 04:56:41 +02:00
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SignatureStatus sgpgme_sigstat_gpgme_to_privacy(gpgme_ctx_t ctx, gpgme_verify_result_t status)
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2004-08-08 14:56:12 +02:00
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{
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unsigned long validity = 0;
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2005-07-13 04:56:41 +02:00
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gpgme_signature_t sig = NULL;
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2004-08-08 14:56:12 +02:00
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2005-07-13 04:56:41 +02:00
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if (status == NULL)
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return SIGNATURE_UNCHECKED;
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sig = status->signatures;
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2004-08-08 14:56:12 +02:00
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2005-07-13 04:56:41 +02:00
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if (sig == NULL)
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return SIGNATURE_UNCHECKED;
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validity = sig->validity;
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switch (gpg_err_code(sig->status)) {
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case GPG_ERR_NO_ERROR:
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2004-08-08 14:56:12 +02:00
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if ((validity != GPGME_VALIDITY_MARGINAL) &&
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(validity != GPGME_VALIDITY_FULL) &&
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(validity != GPGME_VALIDITY_ULTIMATE))
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return SIGNATURE_WARN;
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return SIGNATURE_OK;
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2005-07-13 04:56:41 +02:00
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case GPG_ERR_SIG_EXPIRED:
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case GPG_ERR_KEY_EXPIRED:
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2004-08-08 14:56:12 +02:00
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return SIGNATURE_WARN;
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2005-07-13 04:56:41 +02:00
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case GPG_ERR_BAD_SIGNATURE:
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2004-08-08 14:56:12 +02:00
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return SIGNATURE_INVALID;
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2005-07-13 04:56:41 +02:00
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case GPG_ERR_NO_PUBKEY:
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return SIGNATURE_CHECK_FAILED;
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default:
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2004-08-08 14:56:12 +02:00
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return SIGNATURE_CHECK_FAILED;
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}
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return SIGNATURE_CHECK_FAILED;
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}
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static const gchar *get_validity_str(unsigned long validity)
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{
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2005-07-13 04:56:41 +02:00
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switch (gpg_err_code(validity)) {
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2004-08-08 14:56:12 +02:00
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case GPGME_VALIDITY_UNKNOWN:
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return _("Unknown");
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case GPGME_VALIDITY_UNDEFINED:
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return _("Undefined");
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case GPGME_VALIDITY_NEVER:
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return _("Never");
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case GPGME_VALIDITY_MARGINAL:
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return _("Marginal");
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case GPGME_VALIDITY_FULL:
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return _("Full");
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case GPGME_VALIDITY_ULTIMATE:
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return _("Ultimate");
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default:
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return _("Error");
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}
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}
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2005-07-13 04:56:41 +02:00
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gchar *sgpgme_sigstat_info_short(gpgme_ctx_t ctx, gpgme_verify_result_t status)
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2004-08-08 14:56:12 +02:00
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{
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2005-07-13 04:56:41 +02:00
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gpgme_signature_t sig = NULL;
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2004-08-08 14:56:12 +02:00
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2005-07-13 04:56:41 +02:00
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if (status == NULL) {
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return g_strdup(_("The signature has not been checked"));
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}
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sig = status->signatures;
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if (sig == NULL) {
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return g_strdup(_("The signature has not been checked"));
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}
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switch (gpg_err_code(sig->status)) {
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case GPG_ERR_NO_ERROR:
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{ gpgme_user_id_t user = NULL;
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gpgme_key_t key;
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gpgme_get_key(ctx, sig->fpr, &key, 0);
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user = key->uids;
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2004-08-08 14:56:12 +02:00
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return g_strdup_printf(_("Valid signature by %s (Trust: %s)"),
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2005-07-13 04:56:41 +02:00
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user->uid, get_validity_str(sig->validity));
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2004-08-08 14:56:12 +02:00
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}
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2005-07-13 04:56:41 +02:00
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case GPG_ERR_SIG_EXPIRED:
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2004-08-08 14:56:12 +02:00
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return g_strdup(_("The signature has expired"));
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2005-07-13 04:56:41 +02:00
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case GPG_ERR_KEY_EXPIRED:
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2004-08-08 14:56:12 +02:00
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return g_strdup(_("The key that was used to sign this part has expired"));
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2005-07-13 04:56:41 +02:00
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case GPG_ERR_BAD_SIGNATURE:
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2004-08-08 14:56:12 +02:00
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return g_strdup(_("This signature is invalid"));
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2005-07-13 04:56:41 +02:00
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case GPG_ERR_NO_PUBKEY:
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2004-08-08 14:56:12 +02:00
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return g_strdup(_("You have no key to verify this signature"));
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2005-07-13 04:56:41 +02:00
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default:
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2004-08-08 14:56:12 +02:00
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return g_strdup(_("The signature has not been checked"));
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}
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return g_strdup(_("Error"));
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}
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2005-07-13 04:56:41 +02:00
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gchar *sgpgme_sigstat_info_full(gpgme_ctx_t ctx, gpgme_verify_result_t status)
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2004-08-08 14:56:12 +02:00
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{
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gint i = 0;
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gchar *ret;
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GString *siginfo;
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2005-07-13 04:56:41 +02:00
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gpgme_signature_t sig = status->signatures;
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2004-08-08 14:56:12 +02:00
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siginfo = g_string_sized_new(64);
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2005-07-13 04:56:41 +02:00
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while (sig) {
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gpgme_user_id_t user = NULL;
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gpgme_key_t key;
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2004-08-08 14:56:12 +02:00
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const gchar *keytype, *keyid, *uid;
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2005-07-13 04:56:41 +02:00
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gpgme_get_key(ctx, sig->fpr, &key, 0);
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user = key->uids;
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keytype = gpgme_pubkey_algo_name(key->subkeys->pubkey_algo);
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keyid = key->subkeys->keyid;
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2004-10-26 12:43:50 +02:00
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g_string_append_printf(siginfo,
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2005-07-13 04:56:41 +02:00
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_("Signature made using %s key ID %s\n"),
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keytype, keyid);
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2004-08-08 14:56:12 +02:00
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2005-07-13 04:56:41 +02:00
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uid = user->uid;
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switch (gpg_err_code(sig->status)) {
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case GPG_ERR_NO_ERROR:
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case GPG_ERR_KEY_EXPIRED:
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2004-10-26 12:43:50 +02:00
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g_string_append_printf(siginfo,
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2004-08-08 14:56:12 +02:00
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_("Good signature from \"%s\"\n"),
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uid);
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break;
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2005-07-13 04:56:41 +02:00
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case GPG_ERR_SIG_EXPIRED:
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2004-10-26 12:43:50 +02:00
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g_string_append_printf(siginfo,
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2004-08-08 14:56:12 +02:00
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_("Expired signature from \"%s\"\n"),
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uid);
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break;
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2005-07-13 04:56:41 +02:00
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case GPG_ERR_BAD_SIGNATURE:
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2004-10-26 12:43:50 +02:00
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g_string_append_printf(siginfo,
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2004-08-08 14:56:12 +02:00
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_("BAD signature from \"%s\"\n"),
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uid);
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break;
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default:
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break;
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}
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2005-07-13 04:56:41 +02:00
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if (sig->status != GPG_ERR_BAD_SIGNATURE) {
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2004-08-08 14:56:12 +02:00
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gint j = 1;
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2005-07-13 04:56:41 +02:00
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user = user->next;
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while (user != NULL) {
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2004-10-26 12:43:50 +02:00
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g_string_append_printf(siginfo,
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2004-08-08 14:56:12 +02:00
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_(" aka \"%s\"\n"),
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2005-07-13 04:56:41 +02:00
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user->uid);
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2004-08-08 14:56:12 +02:00
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j++;
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2005-07-13 04:56:41 +02:00
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user = user->next;
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2004-08-08 14:56:12 +02:00
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}
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2004-10-26 12:43:50 +02:00
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g_string_append_printf(siginfo,
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2004-08-08 14:56:12 +02:00
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_("Primary key fingerprint: %s\n"),
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2005-07-13 04:56:41 +02:00
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sig->fpr);
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2004-08-08 14:56:12 +02:00
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}
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g_string_append(siginfo, "\n");
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i++;
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2005-07-13 04:56:41 +02:00
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sig = sig->next;
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2004-08-08 14:56:12 +02:00
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}
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ret = siginfo->str;
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g_string_free(siginfo, FALSE);
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return ret;
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}
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2005-07-13 04:56:41 +02:00
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gpgme_data_t sgpgme_data_from_mimeinfo(MimeInfo *mimeinfo)
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2004-08-08 14:56:12 +02:00
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{
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2005-07-13 04:56:41 +02:00
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gpgme_data_t data = NULL;
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gpgme_error_t err;
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FILE *fp = fopen(mimeinfo->data.filename, "rb");
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gchar *tmp_file = NULL;
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if (!fp)
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return NULL;
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tmp_file = get_tmp_file();
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copy_file_part(fp, mimeinfo->offset, mimeinfo->length, tmp_file);
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fclose(fp);
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fp = fopen(tmp_file, "rb");
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debug_print("tmp file %s\n", tmp_file);
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if (!fp)
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return NULL;
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2004-08-08 14:56:12 +02:00
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2005-07-13 04:56:41 +02:00
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err = gpgme_data_new_from_file(&data, tmp_file, 1);
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unlink(tmp_file);
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g_free(tmp_file);
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debug_print("data %p (%d %d)\n", data, mimeinfo->offset, mimeinfo->length);
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if (err) {
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debug_print ("gpgme_data_new_from_file failed: %s\n",
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gpgme_strerror (err));
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return NULL;
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}
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2004-08-08 14:56:12 +02:00
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return data;
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}
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2005-07-13 04:56:41 +02:00
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gpgme_data_t sgpgme_decrypt_verify(gpgme_data_t cipher, gpgme_verify_result_t *status, gpgme_ctx_t ctx)
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2004-08-08 14:56:12 +02:00
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{
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struct passphrase_cb_info_s info;
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2005-07-13 04:56:41 +02:00
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gpgme_data_t plain;
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gpgme_error_t err;
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2004-08-08 14:56:12 +02:00
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memset (&info, 0, sizeof info);
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2005-07-13 04:56:41 +02:00
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if (gpgme_data_new(&plain) != GPG_ERR_NO_ERROR) {
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2004-08-08 14:56:12 +02:00
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gpgme_release(ctx);
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return NULL;
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}
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if (!getenv("GPG_AGENT_INFO")) {
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info.c = ctx;
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gpgme_set_passphrase_cb (ctx, gpgmegtk_passphrase_cb, &info);
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}
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2005-07-13 04:56:41 +02:00
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err = gpgme_op_decrypt_verify(ctx, cipher, plain);
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if (err != GPG_ERR_NO_ERROR) {
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debug_print("can't decrypt (%s)\n", gpgme_strerror(err));
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2004-08-08 14:56:12 +02:00
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gpgmegtk_free_passphrase();
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gpgme_data_release(plain);
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return NULL;
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}
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2005-07-13 05:11:33 +02:00
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err = gpgme_data_seek(plain, 0, SEEK_SET);
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2005-07-13 04:56:41 +02:00
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if (err) {
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debug_print("can't seek (%d %d %s)\n", err, errno, strerror(errno));
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}
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debug_print("decrypted.\n");
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*status = gpgme_op_verify_result (ctx);
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2004-08-08 14:56:12 +02:00
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return plain;
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}
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2004-10-12 11:45:18 +02:00
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gchar *sgpgme_get_encrypt_data(GSList *recp_names)
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{
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2005-07-13 04:56:41 +02:00
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gpgme_key_t *keys = gpgmegtk_recipient_selection(recp_names);
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gchar *ret = NULL;
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int i = 0;
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2005-07-13 08:45:44 +02:00
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if (!keys)
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return NULL;
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|
2005-07-13 04:56:41 +02:00
|
|
|
while (keys[i]) {
|
|
|
|
gpgme_subkey_t skey = keys[i]->subkeys;
|
|
|
|
gchar *fpr = skey->fpr;
|
|
|
|
gchar *tmp = NULL;
|
|
|
|
debug_print("adding %s\n", fpr);
|
|
|
|
tmp = g_strconcat(ret?ret:"", fpr, " ", NULL);
|
|
|
|
g_free(ret);
|
|
|
|
ret = tmp;
|
|
|
|
i++;
|
2004-10-12 11:45:18 +02:00
|
|
|
}
|
2005-07-13 04:56:41 +02:00
|
|
|
return ret;
|
2004-10-12 11:45:18 +02:00
|
|
|
}
|
|
|
|
|
2005-07-13 04:56:41 +02:00
|
|
|
gboolean sgpgme_setup_signers(gpgme_ctx_t ctx, PrefsAccount *account)
|
2004-11-23 16:57:07 +01:00
|
|
|
{
|
|
|
|
GPGAccountConfig *config;
|
|
|
|
|
|
|
|
gpgme_signers_clear(ctx);
|
|
|
|
|
|
|
|
config = prefs_gpg_account_get_config(account);
|
|
|
|
|
|
|
|
if (config->sign_key != SIGN_KEY_DEFAULT) {
|
|
|
|
gchar *keyid;
|
2005-07-13 04:56:41 +02:00
|
|
|
gpgme_key_t key;
|
2004-11-23 16:57:07 +01:00
|
|
|
|
|
|
|
if (config->sign_key == SIGN_KEY_BY_FROM)
|
|
|
|
keyid = account->address;
|
|
|
|
else if (config->sign_key == SIGN_KEY_CUSTOM)
|
|
|
|
keyid = config->sign_key_id;
|
|
|
|
else
|
|
|
|
return FALSE;
|
|
|
|
|
|
|
|
gpgme_op_keylist_start(ctx, keyid, 1);
|
|
|
|
while (!gpgme_op_keylist_next(ctx, &key)) {
|
|
|
|
gpgme_signers_add(ctx, key);
|
|
|
|
gpgme_key_release(key);
|
|
|
|
}
|
|
|
|
gpgme_op_keylist_end(ctx);
|
|
|
|
}
|
|
|
|
|
|
|
|
prefs_gpg_account_free_config(config);
|
|
|
|
|
|
|
|
return TRUE;
|
|
|
|
}
|
|
|
|
|
2004-08-08 14:56:12 +02:00
|
|
|
void sgpgme_init()
|
|
|
|
{
|
2005-07-13 04:56:41 +02:00
|
|
|
gpgme_engine_info_t engineInfo;
|
|
|
|
if (gpgme_check_version("0.4.5")) {
|
|
|
|
gpgme_set_locale(NULL, LC_CTYPE, setlocale(LC_CTYPE, NULL));
|
|
|
|
gpgme_set_locale(NULL, LC_MESSAGES, setlocale(LC_MESSAGES, NULL));
|
|
|
|
if (!gpgme_get_engine_info(&engineInfo)) {
|
|
|
|
while (engineInfo) {
|
|
|
|
debug_print("GpgME Protocol: %s\n Version: %s\n",
|
|
|
|
gpgme_get_protocol_name(engineInfo->protocol),
|
|
|
|
engineInfo->version);
|
|
|
|
engineInfo = engineInfo->next;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
} else {
|
2004-08-08 14:56:12 +02:00
|
|
|
sgpgme_disable_all();
|
|
|
|
|
2004-10-19 09:28:20 +02:00
|
|
|
if (prefs_gpg_get_config()->gpg_warning) {
|
2004-08-08 14:56:12 +02:00
|
|
|
AlertValue val;
|
|
|
|
|
|
|
|
val = alertpanel_message_with_disable
|
|
|
|
(_("Warning"),
|
|
|
|
_("GnuPG is not installed properly, or needs "
|
|
|
|
"to be upgraded.\n"
|
2005-05-24 03:09:19 +02:00
|
|
|
"OpenPGP support disabled."),
|
|
|
|
NULL, NULL, NULL, ALERT_WARNING);
|
2004-08-08 14:56:12 +02:00
|
|
|
if (val & G_ALERTDISABLE)
|
2004-10-19 09:28:20 +02:00
|
|
|
prefs_gpg_get_config()->gpg_warning = FALSE;
|
2004-08-08 14:56:12 +02:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
void sgpgme_done()
|
|
|
|
{
|
|
|
|
gpgmegtk_free_passphrase();
|
|
|
|
}
|
|
|
|
|
|
|
|
#endif /* USE_GPGME */
|