1026 lines
28 KiB
C
1026 lines
28 KiB
C
/*
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* Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
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* Copyright (C) 1999-2015 the Claws Mail 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 3 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, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifdef HAVE_CONFIG_H
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# include "config.h"
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#include "claws-features.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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#include <glib.h>
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#include <glib/gi18n.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <sys/types.h>
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#ifndef G_OS_WIN32
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# include <sys/wait.h>
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#endif
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#if (defined(__DragonFly__) || defined(SOLARIS) || defined (__NetBSD__) || defined (__FreeBSD__) || defined (__OpenBSD__))
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# include <sys/signal.h>
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#endif
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#ifndef G_OS_WIN32
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#include <sys/mman.h>
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#endif
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#if HAVE_LOCALE_H
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# include <locale.h>
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#endif
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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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#include "prefs_gpg.h"
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#include "account.h"
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#include "select-keys.h"
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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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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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{
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gpgme_verify_result_t status = NULL;
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gpgme_error_t err;
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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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privacy_set_error("%s", gpgme_strerror(err));
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return GINT_TO_POINTER(-GPG_ERR_SYSTEM_ERROR);
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}
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status = gpgme_op_verify_result(ctx);
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if (status && status->signatures == NULL) {
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debug_print("no signature found\n");
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privacy_set_error(_("No signature found"));
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return GINT_TO_POINTER(-GPG_ERR_SYSTEM_ERROR);
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}
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return status;
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}
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SignatureStatus sgpgme_sigstat_gpgme_to_privacy(gpgme_ctx_t ctx, gpgme_verify_result_t status)
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{
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gpgme_signature_t sig = NULL;
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if (GPOINTER_TO_INT(status) == -GPG_ERR_SYSTEM_ERROR) {
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debug_print("system error\n");
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return SIGNATURE_CHECK_FAILED;
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}
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if (status == NULL) {
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debug_print("status == NULL\n");
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return SIGNATURE_UNCHECKED;
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}
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sig = status->signatures;
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if (sig == NULL) {
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debug_print("sig == NULL\n");
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return SIGNATURE_UNCHECKED;
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}
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debug_print("err code %d\n", gpg_err_code(sig->status));
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switch (gpg_err_code(sig->status)) {
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case GPG_ERR_NO_ERROR:
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switch (sig->validity) {
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case GPGME_VALIDITY_NEVER:
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return SIGNATURE_INVALID;
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case GPGME_VALIDITY_UNKNOWN:
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case GPGME_VALIDITY_UNDEFINED:
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case GPGME_VALIDITY_MARGINAL:
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case GPGME_VALIDITY_FULL:
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case GPGME_VALIDITY_ULTIMATE:
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return SIGNATURE_OK;
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default:
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return SIGNATURE_CHECK_FAILED;
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}
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case GPG_ERR_SIG_EXPIRED:
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case GPG_ERR_CERT_REVOKED:
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return SIGNATURE_WARN;
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case GPG_ERR_KEY_EXPIRED:
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return SIGNATURE_KEY_EXPIRED;
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case GPG_ERR_BAD_SIGNATURE:
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return SIGNATURE_INVALID;
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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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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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switch (gpg_err_code(validity)) {
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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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static const gchar *get_owner_trust_str(unsigned long owner_trust)
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{
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switch (gpgme_err_code(owner_trust)) {
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case GPGME_VALIDITY_NEVER:
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return _("Untrusted");
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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 _("Unknown");
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}
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}
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static gchar *extract_name(const char *uid)
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{
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if (uid == NULL)
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return NULL;
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if (!strncmp(uid, "CN=", 3)) {
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gchar *result = g_strdup(uid+3);
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if (strstr(result, ","))
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*(strstr(result, ",")) = '\0';
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return result;
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} else if (strstr(uid, ",CN=")) {
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gchar *result = g_strdup(strstr(uid, ",CN=")+4);
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if (strstr(result, ","))
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*(strstr(result, ",")) = '\0';
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return result;
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} else {
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return g_strdup(uid);
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}
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}
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gchar *sgpgme_sigstat_info_short(gpgme_ctx_t ctx, gpgme_verify_result_t status)
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{
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gpgme_signature_t sig = NULL;
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gchar *uname = NULL;
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gpgme_key_t key;
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gchar *result = NULL;
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gpgme_error_t err = 0;
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static gboolean warned = FALSE;
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if (GPOINTER_TO_INT(status) == -GPG_ERR_SYSTEM_ERROR) {
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return g_strdup_printf(_("The signature can't be checked - %s"), privacy_get_error());
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}
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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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err = gpgme_get_key(ctx, sig->fpr, &key, 0);
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if (gpg_err_code(err) == GPG_ERR_NO_AGENT) {
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if (!warned)
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alertpanel_error(_("PGP Core: Can't get key - no gpg-agent running."));
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else
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g_warning("PGP Core: Can't get key - no gpg-agent running.");
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warned = TRUE;
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} else if (gpg_err_code(err) != GPG_ERR_NO_ERROR && gpg_err_code(err) != GPG_ERR_EOF) {
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return g_strdup_printf(_("The signature can't be checked - %s"),
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gpgme_strerror(err));
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}
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if (key)
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uname = extract_name(key->uids->uid);
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else
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uname = g_strdup("<?>");
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switch (gpg_err_code(sig->status)) {
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case GPG_ERR_NO_ERROR:
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switch (key->uids?key->uids->validity:GPGME_VALIDITY_UNKNOWN) {
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case GPGME_VALIDITY_ULTIMATE:
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result = g_strdup_printf(_("Good signature from \"%s\" [ultimate]"), uname);
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break;
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case GPGME_VALIDITY_FULL:
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result = g_strdup_printf(_("Good signature from \"%s\" [full]"), uname);
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break;
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case GPGME_VALIDITY_MARGINAL:
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result = g_strdup_printf(_("Good signature from \"%s\" [marginal]"), uname);
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break;
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case GPGME_VALIDITY_UNKNOWN:
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case GPGME_VALIDITY_UNDEFINED:
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case GPGME_VALIDITY_NEVER:
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default:
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result = g_strdup_printf(_("Good signature from \"%s\""), uname);
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break;
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}
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break;
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case GPG_ERR_SIG_EXPIRED:
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result = g_strdup_printf(_("Expired signature from \"%s\""), uname);
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break;
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case GPG_ERR_KEY_EXPIRED:
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result = g_strdup_printf(_("Good signature from \"%s\", but the key has expired"), uname);
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break;
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case GPG_ERR_CERT_REVOKED:
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result = g_strdup_printf(_("Good signature from \"%s\", but the key has been revoked"), uname);
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break;
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case GPG_ERR_BAD_SIGNATURE:
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result = g_strdup_printf(_("Bad signature from \"%s\""), uname);
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break;
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case GPG_ERR_NO_PUBKEY: {
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gchar *id = g_strdup(sig->fpr + strlen(sig->fpr)-8);
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result = g_strdup_printf(_("Key 0x%s not available to verify this signature"), id);
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g_free(id);
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break;
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}
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default:
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result = g_strdup(_("The signature has not been checked"));
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break;
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}
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if (result == NULL)
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result = g_strdup(_("Error"));
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g_free(uname);
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return result;
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}
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gchar *sgpgme_sigstat_info_full(gpgme_ctx_t ctx, gpgme_verify_result_t status)
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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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gpgme_signature_t sig = NULL;
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siginfo = g_string_sized_new(64);
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if (status == NULL) {
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g_string_append_printf(siginfo,
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_("Error checking signature: no status\n"));
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goto bail;
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}
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sig = status->signatures;
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while (sig) {
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char buf[100];
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struct tm lt;
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gpgme_key_t key;
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gpgme_error_t err;
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const gchar *keytype, *keyid, *uid;
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err = gpgme_get_key(ctx, sig->fpr, &key, 0);
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if (err != GPG_ERR_NO_ERROR) {
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key = NULL;
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g_string_append_printf(siginfo,
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_("Error checking signature: %s\n"),
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gpgme_strerror(err));
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goto bail;
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}
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if (key) {
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keytype = gpgme_pubkey_algo_name(
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key->subkeys->pubkey_algo);
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keyid = key->subkeys->keyid;
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uid = key->uids->uid;
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} else {
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keytype = "?";
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keyid = "?";
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uid = "?";
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}
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memset(buf, 0, sizeof(buf));
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fast_strftime(buf, sizeof(buf)-1, prefs_common_get_prefs()->date_format, localtime_r(&sig->timestamp, <));
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g_string_append_printf(siginfo,
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_("Signature made on %s using %s key ID %s\n"),
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buf, keytype, keyid);
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switch (gpg_err_code(sig->status)) {
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case GPG_ERR_NO_ERROR:
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g_string_append_printf(siginfo,
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_("Good signature from uid \"%s\" (Validity: %s)\n"),
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uid, get_validity_str((key && key->uids) ? key->uids->validity:GPGME_VALIDITY_UNKNOWN));
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break;
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case GPG_ERR_KEY_EXPIRED:
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g_string_append_printf(siginfo,
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_("Expired key uid \"%s\"\n"),
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uid);
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break;
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case GPG_ERR_SIG_EXPIRED:
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g_string_append_printf(siginfo,
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_("Expired signature from uid \"%s\" (Validity: %s)\n"),
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uid, get_validity_str((key && key->uids) ? key->uids->validity:GPGME_VALIDITY_UNKNOWN));
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break;
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case GPG_ERR_CERT_REVOKED:
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g_string_append_printf(siginfo,
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_("Revoked key uid \"%s\"\n"),
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uid);
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break;
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case GPG_ERR_BAD_SIGNATURE:
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g_string_append_printf(siginfo,
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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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if (sig->status != GPG_ERR_BAD_SIGNATURE) {
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gint j = 1;
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if (key) {
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key->uids = key->uids ? key->uids->next : NULL;
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while (key->uids != NULL) {
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g_string_append_printf(siginfo,
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g_strconcat(" ",
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_("uid \"%s\" (Validity: %s)\n"), NULL),
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key->uids->uid,
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key->uids->revoked==TRUE?_("Revoked"):get_validity_str(key->uids->validity));
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j++;
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key->uids = key->uids->next;
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}
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}
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g_string_append_printf(siginfo,_("Owner Trust: %s\n"),
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key ? get_owner_trust_str(key->owner_trust) : _("No key!"));
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g_string_append(siginfo,
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_("Primary key fingerprint:"));
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const char* primary_fpr = NULL;
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if (key && key->subkeys && key->subkeys->fpr)
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primary_fpr = key->subkeys->fpr;
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else
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g_string_append(siginfo, " ?");
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int idx; /* now pretty-print the fingerprint */
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for (idx=0; primary_fpr && *primary_fpr!='\0'; idx++, primary_fpr++) {
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if (idx%4==0)
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g_string_append_c(siginfo, ' ');
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if (idx%20==0)
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g_string_append_c(siginfo, ' ');
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g_string_append_c(siginfo, (gchar)*primary_fpr);
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}
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g_string_append_c(siginfo, '\n');
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#ifdef HAVE_GPGME_PKA_TRUST
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if (sig->pka_trust == 1 && sig->pka_address) {
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g_string_append_printf(siginfo,
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_("WARNING: Signer's address \"%s\" "
|
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"does not match DNS entry\n"),
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sig->pka_address);
|
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}
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else if (sig->pka_trust == 2 && sig->pka_address) {
|
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g_string_append_printf(siginfo,
|
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_("Verified signer's address is \"%s\"\n"),
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sig->pka_address);
|
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/* FIXME: Compare the address to the
|
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* From: address. */
|
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}
|
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#endif /*HAVE_GPGME_PKA_TRUST*/
|
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}
|
|
|
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g_string_append(siginfo, "\n");
|
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i++;
|
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sig = sig->next;
|
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}
|
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bail:
|
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ret = siginfo->str;
|
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g_string_free(siginfo, FALSE);
|
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return ret;
|
|
}
|
|
|
|
gpgme_data_t sgpgme_data_from_mimeinfo(MimeInfo *mimeinfo)
|
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{
|
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gpgme_data_t data = NULL;
|
|
gpgme_error_t err;
|
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FILE *fp = g_fopen(mimeinfo->data.filename, "rb");
|
|
|
|
if (!fp)
|
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return NULL;
|
|
|
|
err = gpgme_data_new_from_filepart(&data, NULL, fp, mimeinfo->offset, mimeinfo->length);
|
|
fclose(fp);
|
|
|
|
debug_print("data %p (%d %d)\n", (void *)&data, mimeinfo->offset, mimeinfo->length);
|
|
if (err) {
|
|
debug_print ("gpgme_data_new_from_file failed: %s\n",
|
|
gpgme_strerror (err));
|
|
privacy_set_error(_("Couldn't get data from message, %s"), gpgme_strerror(err));
|
|
return NULL;
|
|
}
|
|
return data;
|
|
}
|
|
|
|
gpgme_data_t sgpgme_decrypt_verify(gpgme_data_t cipher, gpgme_verify_result_t *status, gpgme_ctx_t ctx)
|
|
{
|
|
struct passphrase_cb_info_s info;
|
|
gpgme_data_t plain;
|
|
gpgme_error_t err;
|
|
|
|
memset (&info, 0, sizeof info);
|
|
|
|
if ((err = gpgme_data_new(&plain)) != GPG_ERR_NO_ERROR) {
|
|
gpgme_release(ctx);
|
|
privacy_set_error(_("Couldn't initialize data, %s"), gpgme_strerror(err));
|
|
return NULL;
|
|
}
|
|
|
|
if (gpgme_get_protocol(ctx) == GPGME_PROTOCOL_OpenPGP) {
|
|
prefs_gpg_enable_agent(prefs_gpg_get_config()->use_gpg_agent);
|
|
if (!getenv("GPG_AGENT_INFO") || !prefs_gpg_get_config()->use_gpg_agent) {
|
|
info.c = ctx;
|
|
gpgme_set_passphrase_cb (ctx, gpgmegtk_passphrase_cb, &info);
|
|
}
|
|
} else {
|
|
prefs_gpg_enable_agent(TRUE);
|
|
info.c = ctx;
|
|
gpgme_set_passphrase_cb (ctx, NULL, &info);
|
|
}
|
|
|
|
|
|
if (gpgme_get_protocol(ctx) == GPGME_PROTOCOL_OpenPGP) {
|
|
err = gpgme_op_decrypt_verify(ctx, cipher, plain);
|
|
if (err != GPG_ERR_NO_ERROR) {
|
|
debug_print("can't decrypt (%s)\n", gpgme_strerror(err));
|
|
privacy_set_error("%s", gpgme_strerror(err));
|
|
gpgmegtk_free_passphrase();
|
|
gpgme_data_release(plain);
|
|
return NULL;
|
|
}
|
|
|
|
err = cm_gpgme_data_rewind(plain);
|
|
if (err) {
|
|
debug_print("can't seek (%d %d %s)\n", err, errno, g_strerror(errno));
|
|
}
|
|
|
|
debug_print("decrypted.\n");
|
|
*status = gpgme_op_verify_result (ctx);
|
|
} else {
|
|
err = gpgme_op_decrypt(ctx, cipher, plain);
|
|
if (err != GPG_ERR_NO_ERROR) {
|
|
debug_print("can't decrypt (%s)\n", gpgme_strerror(err));
|
|
privacy_set_error("%s", gpgme_strerror(err));
|
|
gpgmegtk_free_passphrase();
|
|
gpgme_data_release(plain);
|
|
return NULL;
|
|
}
|
|
|
|
err = cm_gpgme_data_rewind(plain);
|
|
if (err) {
|
|
debug_print("can't seek (%d %d %s)\n", err, errno, g_strerror(errno));
|
|
}
|
|
|
|
debug_print("decrypted.\n");
|
|
*status = gpgme_op_verify_result (ctx);
|
|
}
|
|
return plain;
|
|
}
|
|
|
|
gchar *sgpgme_get_encrypt_data(GSList *recp_names, gpgme_protocol_t proto)
|
|
{
|
|
SelectionResult result = KEY_SELECTION_CANCEL;
|
|
gpgme_key_t *keys = gpgmegtk_recipient_selection(recp_names, &result,
|
|
proto);
|
|
gchar *ret = NULL;
|
|
int i = 0;
|
|
|
|
if (!keys) {
|
|
if (result == KEY_SELECTION_DONT)
|
|
return g_strdup("_DONT_ENCRYPT_");
|
|
else
|
|
return NULL;
|
|
}
|
|
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++;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
gboolean sgpgme_setup_signers(gpgme_ctx_t ctx, PrefsAccount *account,
|
|
const gchar *from_addr)
|
|
{
|
|
GPGAccountConfig *config;
|
|
const gchar *signer_addr = account->address;
|
|
|
|
gpgme_signers_clear(ctx);
|
|
|
|
if (from_addr)
|
|
signer_addr = from_addr;
|
|
config = prefs_gpg_account_get_config(account);
|
|
|
|
switch(config->sign_key) {
|
|
case SIGN_KEY_DEFAULT:
|
|
debug_print("using default gnupg key\n");
|
|
break;
|
|
case SIGN_KEY_BY_FROM:
|
|
debug_print("using key for %s\n", signer_addr);
|
|
break;
|
|
case SIGN_KEY_CUSTOM:
|
|
debug_print("using key for %s\n", config->sign_key_id);
|
|
break;
|
|
}
|
|
|
|
if (config->sign_key != SIGN_KEY_DEFAULT) {
|
|
const gchar *keyid;
|
|
gpgme_key_t key, found_key;
|
|
gpgme_error_t err;
|
|
|
|
if (config->sign_key == SIGN_KEY_BY_FROM)
|
|
keyid = signer_addr;
|
|
else if (config->sign_key == SIGN_KEY_CUSTOM)
|
|
keyid = config->sign_key_id;
|
|
else
|
|
goto bail;
|
|
|
|
found_key = NULL;
|
|
/* Look for any key, not just private ones, or GPGMe doesn't
|
|
* correctly set the revoked flag. */
|
|
err = gpgme_op_keylist_start(ctx, keyid, 0);
|
|
while ((err = gpgme_op_keylist_next(ctx, &key)) == 0) {
|
|
if (key == NULL)
|
|
continue;
|
|
|
|
if (!key->can_sign)
|
|
continue;
|
|
|
|
if (key->protocol != gpgme_get_protocol(ctx)) {
|
|
debug_print("skipping a key (wrong protocol %d)\n", key->protocol);
|
|
gpgme_key_release(key);
|
|
continue;
|
|
}
|
|
|
|
if (key->expired) {
|
|
debug_print("skipping a key, expired");
|
|
gpgme_key_release(key);
|
|
continue;
|
|
}
|
|
if (key->revoked) {
|
|
debug_print("skipping a key, revoked");
|
|
gpgme_key_release(key);
|
|
continue;
|
|
}
|
|
if (key->disabled) {
|
|
debug_print("skipping a key, disabled");
|
|
gpgme_key_release(key);
|
|
continue;
|
|
}
|
|
|
|
if (found_key != NULL) {
|
|
gpgme_key_release(key);
|
|
gpgme_op_keylist_end(ctx);
|
|
g_warning("ambiguous specification of secret key '%s'", keyid);
|
|
privacy_set_error(_("Secret key specification is ambiguous"));
|
|
goto bail;
|
|
}
|
|
|
|
found_key = key;
|
|
}
|
|
gpgme_op_keylist_end(ctx);
|
|
|
|
if (found_key == NULL) {
|
|
g_warning("setup_signers start: %s", gpgme_strerror(err));
|
|
privacy_set_error(_("Secret key not found (%s)"), gpgme_strerror(err));
|
|
goto bail;
|
|
}
|
|
|
|
err = gpgme_signers_add(ctx, found_key);
|
|
debug_print("got key (proto %d (pgp %d, smime %d).\n",
|
|
found_key->protocol, GPGME_PROTOCOL_OpenPGP,
|
|
GPGME_PROTOCOL_CMS);
|
|
gpgme_key_release(found_key);
|
|
|
|
if (err) {
|
|
g_warning("error adding secret key: %s",
|
|
gpgme_strerror(err));
|
|
privacy_set_error(_("Error setting secret key: %s"),
|
|
gpgme_strerror(err));
|
|
goto bail;
|
|
}
|
|
}
|
|
|
|
prefs_gpg_account_free_config(config);
|
|
|
|
return TRUE;
|
|
bail:
|
|
prefs_gpg_account_free_config(config);
|
|
return FALSE;
|
|
}
|
|
|
|
void sgpgme_init()
|
|
{
|
|
gchar *ctype_locale = NULL, *messages_locale = NULL;
|
|
gchar *ctype_utf8_locale = NULL, *messages_utf8_locale = NULL;
|
|
|
|
gpgme_engine_info_t engineInfo;
|
|
|
|
if (strcmp(prefs_gpg_get_config()->gpg_path, "") != 0 &&
|
|
access(prefs_gpg_get_config()->gpg_path, X_OK) != -1)
|
|
gpgme_set_engine_info(GPGME_PROTOCOL_OpenPGP,prefs_gpg_get_config()->gpg_path, NULL);
|
|
|
|
if (gpgme_check_version("1.0.0")) {
|
|
#ifdef LC_CTYPE
|
|
debug_print("setting gpgme CTYPE locale\n");
|
|
#ifdef G_OS_WIN32
|
|
ctype_locale = g_win32_getlocale();
|
|
#else
|
|
ctype_locale = g_strdup(setlocale(LC_CTYPE, NULL));
|
|
#endif
|
|
if (ctype_locale) {
|
|
debug_print("setting gpgme CTYPE locale to: %s\n", ctype_locale);
|
|
if (strchr(ctype_locale, '.'))
|
|
*(strchr(ctype_locale, '.')) = '\0';
|
|
else if (strchr(ctype_locale, '@'))
|
|
*(strchr(ctype_locale, '@')) = '\0';
|
|
ctype_utf8_locale = g_strconcat(ctype_locale, ".UTF-8", NULL);
|
|
|
|
debug_print("setting gpgme locale to UTF8: %s\n", ctype_utf8_locale ? ctype_utf8_locale : "NULL");
|
|
gpgme_set_locale(NULL, LC_CTYPE, ctype_utf8_locale);
|
|
|
|
debug_print("done\n");
|
|
g_free(ctype_utf8_locale);
|
|
g_free(ctype_locale);
|
|
} else {
|
|
debug_print("couldn't set gpgme CTYPE locale\n");
|
|
}
|
|
#endif
|
|
#ifdef LC_MESSAGES
|
|
debug_print("setting gpgme MESSAGES locale\n");
|
|
#ifdef G_OS_WIN32
|
|
messages_locale = g_win32_getlocale();
|
|
#else
|
|
messages_locale = g_strdup(setlocale(LC_MESSAGES, NULL));
|
|
#endif
|
|
if (messages_locale) {
|
|
debug_print("setting gpgme MESSAGES locale to: %s\n", messages_locale);
|
|
if (strchr(messages_locale, '.'))
|
|
*(strchr(messages_locale, '.')) = '\0';
|
|
else if (strchr(messages_locale, '@'))
|
|
*(strchr(messages_locale, '@')) = '\0';
|
|
messages_utf8_locale = g_strconcat(messages_locale, ".UTF-8", NULL);
|
|
debug_print("setting gpgme locale to UTF8: %s\n", messages_utf8_locale ? messages_utf8_locale : "NULL");
|
|
|
|
gpgme_set_locale(NULL, LC_MESSAGES, messages_utf8_locale);
|
|
|
|
debug_print("done\n");
|
|
g_free(messages_utf8_locale);
|
|
g_free(messages_locale);
|
|
} else {
|
|
debug_print("couldn't set gpgme MESSAGES locale\n");
|
|
}
|
|
#endif
|
|
if (!gpgme_get_engine_info(&engineInfo)) {
|
|
while (engineInfo) {
|
|
debug_print("GpgME Protocol: %s\n"
|
|
"Version: %s (req %s)\n"
|
|
"Executable: %s\n",
|
|
gpgme_get_protocol_name(engineInfo->protocol) ? gpgme_get_protocol_name(engineInfo->protocol):"???",
|
|
engineInfo->version ? engineInfo->version:"???",
|
|
engineInfo->req_version ? engineInfo->req_version:"???",
|
|
engineInfo->file_name ? engineInfo->file_name:"???");
|
|
if (engineInfo->protocol == GPGME_PROTOCOL_OpenPGP
|
|
&& gpgme_engine_check_version(engineInfo->protocol) !=
|
|
GPG_ERR_NO_ERROR) {
|
|
if (engineInfo->file_name && !engineInfo->version) {
|
|
alertpanel_error(_("Gpgme protocol '%s' is unusable: "
|
|
"Engine '%s' isn't installed properly."),
|
|
gpgme_get_protocol_name(engineInfo->protocol),
|
|
engineInfo->file_name);
|
|
} else if (engineInfo->file_name && engineInfo->version
|
|
&& engineInfo->req_version) {
|
|
alertpanel_error(_("Gpgme protocol '%s' is unusable: "
|
|
"Engine '%s' version %s is installed, "
|
|
"but version %s is required.\n"),
|
|
gpgme_get_protocol_name(engineInfo->protocol),
|
|
engineInfo->file_name,
|
|
engineInfo->version,
|
|
engineInfo->req_version);
|
|
} else {
|
|
alertpanel_error(_("Gpgme protocol '%s' is unusable "
|
|
"(unknown problem)"),
|
|
gpgme_get_protocol_name(engineInfo->protocol));
|
|
}
|
|
}
|
|
engineInfo = engineInfo->next;
|
|
}
|
|
}
|
|
} else {
|
|
sgpgme_disable_all();
|
|
|
|
if (prefs_gpg_get_config()->gpg_warning) {
|
|
AlertValue val;
|
|
|
|
val = alertpanel_full
|
|
(_("Warning"),
|
|
_("GnuPG is not installed properly, or needs "
|
|
"to be upgraded.\n"
|
|
"OpenPGP support disabled."),
|
|
GTK_STOCK_CLOSE, NULL, NULL, TRUE, NULL,
|
|
ALERT_WARNING, G_ALERTDEFAULT);
|
|
if (val & G_ALERTDISABLE)
|
|
prefs_gpg_get_config()->gpg_warning = FALSE;
|
|
}
|
|
}
|
|
}
|
|
|
|
void sgpgme_done()
|
|
{
|
|
gpgmegtk_free_passphrase();
|
|
}
|
|
|
|
void sgpgme_create_secret_key(PrefsAccount *account, gboolean ask_create)
|
|
{
|
|
AlertValue val = G_ALERTDEFAULT;
|
|
gchar *key_parms = NULL;
|
|
gchar *name = NULL;
|
|
gchar *email = NULL;
|
|
gchar *passphrase = NULL, *passphrase_second = NULL;
|
|
gint prev_bad = 0;
|
|
gchar *tmp = NULL;
|
|
gpgme_error_t err = 0;
|
|
gpgme_ctx_t ctx;
|
|
GtkWidget *window = NULL;
|
|
gpgme_genkey_result_t key;
|
|
|
|
if (account == NULL)
|
|
account = account_get_default();
|
|
|
|
if (account->address == NULL) {
|
|
alertpanel_error(_("You have to save the account's information with \"OK\" "
|
|
"before being able to generate a key pair.\n"));
|
|
return;
|
|
}
|
|
if (ask_create) {
|
|
val = alertpanel(_("No PGP key found"),
|
|
_("Claws Mail did not find a secret PGP key, "
|
|
"which means that you won't be able to sign "
|
|
"emails or receive encrypted emails.\n"
|
|
"Do you want to create a new key pair now?"),
|
|
GTK_STOCK_NO, "+" GTK_STOCK_YES, NULL);
|
|
if (val == G_ALERTDEFAULT) {
|
|
prefs_gpg_get_config()->gpg_ask_create_key = FALSE;
|
|
prefs_gpg_save_config();
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (account->name) {
|
|
name = g_strdup(account->name);
|
|
} else {
|
|
name = g_strdup(account->address);
|
|
}
|
|
email = g_strdup(account->address);
|
|
tmp = g_strdup_printf("%s <%s>", account->name?account->name:account->address, account->address);
|
|
again:
|
|
passphrase = passphrase_mbox(tmp, NULL, prev_bad, 1);
|
|
if (passphrase == NULL) {
|
|
g_free(tmp);
|
|
g_free(email);
|
|
g_free(name);
|
|
return;
|
|
}
|
|
passphrase_second = passphrase_mbox(tmp, NULL, 0, 2);
|
|
if (passphrase_second == NULL) {
|
|
g_free(tmp);
|
|
g_free(email);
|
|
g_free(passphrase);
|
|
g_free(name);
|
|
return;
|
|
}
|
|
if (strcmp(passphrase, passphrase_second)) {
|
|
g_free(passphrase);
|
|
g_free(passphrase_second);
|
|
prev_bad = 1;
|
|
goto again;
|
|
}
|
|
|
|
key_parms = g_strdup_printf("<GnupgKeyParms format=\"internal\">\n"
|
|
"Key-Type: RSA\n"
|
|
"Key-Length: 2048\n"
|
|
"Subkey-Type: RSA\n"
|
|
"Subkey-Length: 2048\n"
|
|
"Name-Real: %s\n"
|
|
"Name-Email: %s\n"
|
|
"Expire-Date: 0\n"
|
|
"%s%s%s"
|
|
"</GnupgKeyParms>\n",
|
|
name, email,
|
|
strlen(passphrase)?"Passphrase: ":"",
|
|
passphrase,
|
|
strlen(passphrase)?"\n":"");
|
|
#ifndef G_PLATFORM_WIN32
|
|
if (mlock(passphrase, strlen(passphrase)) == -1)
|
|
debug_print("couldn't lock passphrase\n");
|
|
if (mlock(passphrase_second, strlen(passphrase_second)) == -1)
|
|
debug_print("couldn't lock passphrase2\n");
|
|
#endif
|
|
g_free(tmp);
|
|
g_free(email);
|
|
g_free(name);
|
|
g_free(passphrase_second);
|
|
g_free(passphrase);
|
|
|
|
err = gpgme_new (&ctx);
|
|
if (err) {
|
|
alertpanel_error(_("Couldn't generate a new key pair: %s"),
|
|
gpgme_strerror(err));
|
|
g_free(key_parms);
|
|
return;
|
|
}
|
|
|
|
|
|
window = label_window_create(_("Generating your new key pair... Please move the mouse "
|
|
"around to help generate entropy..."));
|
|
|
|
err = gpgme_op_genkey(ctx, key_parms, NULL, NULL);
|
|
g_free(key_parms);
|
|
|
|
label_window_destroy(window);
|
|
|
|
if (err) {
|
|
alertpanel_error(_("Couldn't generate a new key pair: %s"), gpgme_strerror(err));
|
|
gpgme_release(ctx);
|
|
return;
|
|
}
|
|
key = gpgme_op_genkey_result(ctx);
|
|
if (key == NULL) {
|
|
alertpanel_error(_("Couldn't generate a new key pair: unknown error"));
|
|
gpgme_release(ctx);
|
|
return;
|
|
} else {
|
|
gchar *buf = g_strdup_printf(_("Your new key pair has been generated. "
|
|
"Its fingerprint is:\n%s\n\nDo you want to export it "
|
|
"to a keyserver?"),
|
|
key->fpr ? key->fpr:"null");
|
|
AlertValue val = alertpanel(_("Key generated"), buf,
|
|
GTK_STOCK_NO, "+" GTK_STOCK_YES, NULL);
|
|
g_free(buf);
|
|
if (val == G_ALERTALTERNATE) {
|
|
#ifndef G_OS_WIN32
|
|
gchar *cmd = g_strdup_printf("gpg --no-tty --send-keys %s", key->fpr);
|
|
int res = 0;
|
|
pid_t pid = 0;
|
|
pid = fork();
|
|
if (pid == -1) {
|
|
res = -1;
|
|
} else if (pid == 0) {
|
|
/* son */
|
|
res = system(cmd);
|
|
res = WEXITSTATUS(res);
|
|
_exit(res);
|
|
} else {
|
|
int status = 0;
|
|
time_t start_wait = time(NULL);
|
|
res = -1;
|
|
do {
|
|
if (waitpid(pid, &status, WNOHANG) == 0 || !WIFEXITED(status)) {
|
|
usleep(200000);
|
|
} else {
|
|
res = WEXITSTATUS(status);
|
|
break;
|
|
}
|
|
if (time(NULL) - start_wait > 5) {
|
|
debug_print("SIGTERM'ing gpg\n");
|
|
kill(pid, SIGTERM);
|
|
}
|
|
if (time(NULL) - start_wait > 6) {
|
|
debug_print("SIGKILL'ing gpg\n");
|
|
kill(pid, SIGKILL);
|
|
break;
|
|
}
|
|
} while(1);
|
|
}
|
|
if (res == 0) {
|
|
alertpanel_notice(_("Key exported."));
|
|
} else {
|
|
alertpanel_error(_("Couldn't export key."));
|
|
}
|
|
g_free(cmd);
|
|
#else
|
|
alertpanel_error(_("Key export isn't implemented in Windows."));
|
|
#endif
|
|
}
|
|
}
|
|
prefs_gpg_get_config()->gpg_ask_create_key = FALSE;
|
|
prefs_gpg_save_config();
|
|
gpgme_release(ctx);
|
|
}
|
|
|
|
gboolean sgpgme_has_secret_key(void)
|
|
{
|
|
gpgme_error_t err = 0;
|
|
gpgme_ctx_t ctx;
|
|
gpgme_key_t key;
|
|
|
|
err = gpgme_new (&ctx);
|
|
if (err) {
|
|
debug_print("err : %s\n", gpgme_strerror(err));
|
|
return TRUE;
|
|
}
|
|
check_again:
|
|
err = gpgme_op_keylist_start(ctx, NULL, TRUE);
|
|
if (!err)
|
|
err = gpgme_op_keylist_next(ctx, &key);
|
|
gpgme_op_keylist_end(ctx);
|
|
if (gpg_err_code(err) == GPG_ERR_EOF) {
|
|
if (gpgme_get_protocol(ctx) != GPGME_PROTOCOL_CMS) {
|
|
gpgme_set_protocol(ctx, GPGME_PROTOCOL_CMS);
|
|
goto check_again;
|
|
}
|
|
gpgme_release(ctx);
|
|
return FALSE;
|
|
} else {
|
|
gpgme_release(ctx);
|
|
return TRUE;
|
|
}
|
|
}
|
|
|
|
void sgpgme_check_create_key(void)
|
|
{
|
|
if (prefs_gpg_get_config()->gpg_ask_create_key &&
|
|
!sgpgme_has_secret_key()) {
|
|
sgpgme_create_secret_key(NULL, TRUE);
|
|
} else {
|
|
prefs_gpg_get_config()->gpg_ask_create_key = FALSE;
|
|
prefs_gpg_save_config();
|
|
}
|
|
}
|
|
|
|
void *sgpgme_data_release_and_get_mem(gpgme_data_t data, size_t *len)
|
|
{
|
|
char buf[BUFSIZ];
|
|
void *result = NULL;
|
|
ssize_t r = 0;
|
|
size_t w = 0;
|
|
|
|
if (data == NULL)
|
|
return NULL;
|
|
if (len == NULL)
|
|
return NULL;
|
|
|
|
/* I know it's deprecated, but we don't compile with _LARGEFILE */
|
|
cm_gpgme_data_rewind(data);
|
|
while ((r = gpgme_data_read(data, buf, BUFSIZ)) > 0) {
|
|
void *rresult = realloc(result, r + w);
|
|
if (rresult == NULL) {
|
|
g_warning("can't allocate memory");
|
|
if (result != NULL)
|
|
free(result);
|
|
return NULL;
|
|
}
|
|
result = rresult;
|
|
memcpy(result+w, buf, r);
|
|
w += r;
|
|
}
|
|
|
|
*len = w;
|
|
|
|
gpgme_data_release(data);
|
|
if (r < 0) {
|
|
free(result);
|
|
*len = 0;
|
|
return NULL;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
gpgme_error_t cm_gpgme_data_rewind(gpgme_data_t dh)
|
|
{
|
|
#if defined(_FILE_OFFSET_BITS) && _FILE_OFFSET_BITS == 64
|
|
if (gpgme_data_seek(dh, (off_t)0, SEEK_SET) == -1)
|
|
return gpg_error_from_errno(errno);
|
|
else
|
|
return 0;
|
|
#else
|
|
return gpgme_data_rewind(dh);
|
|
#endif
|
|
}
|
|
|
|
#endif /* USE_GPGME */
|