2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2003 Hiroyuki Yamamoto & the Sylpheed-Claws team
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation; either version 2 of the License, or
8 * (at your option) any later version.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
30 #include <glib/gi18n.h>
35 #include "prefs_common.h"
37 #include "alertpanel.h"
38 #include "passphrase.h"
39 #include "prefs_gpg.h"
40 #include "select-keys.h"
42 static void sgpgme_disable_all(void)
44 /* FIXME: set a flag, so that we don't bother the user with failed
48 gpgme_verify_result_t sgpgme_verify_signature(gpgme_ctx_t ctx, gpgme_data_t sig,
49 gpgme_data_t plain, gpgme_data_t dummy)
51 gpgme_verify_result_t status = NULL;
54 if ((err = gpgme_op_verify(ctx, sig, plain, dummy)) != GPG_ERR_NO_ERROR) {
55 debug_print("op_verify err %s\n", gpgme_strerror(err));
58 status = gpgme_op_verify_result(ctx);
63 SignatureStatus sgpgme_sigstat_gpgme_to_privacy(gpgme_ctx_t ctx, gpgme_verify_result_t status)
65 unsigned long validity = 0;
66 gpgme_signature_t sig = NULL;
69 return SIGNATURE_UNCHECKED;
71 sig = status->signatures;
74 return SIGNATURE_UNCHECKED;
76 validity = sig->validity;
78 switch (gpg_err_code(sig->status)) {
79 case GPG_ERR_NO_ERROR:
80 if ((validity != GPGME_VALIDITY_MARGINAL) &&
81 (validity != GPGME_VALIDITY_FULL) &&
82 (validity != GPGME_VALIDITY_ULTIMATE))
83 return SIGNATURE_WARN;
85 case GPG_ERR_SIG_EXPIRED:
86 case GPG_ERR_KEY_EXPIRED:
87 return SIGNATURE_WARN;
88 case GPG_ERR_BAD_SIGNATURE:
89 return SIGNATURE_INVALID;
90 case GPG_ERR_NO_PUBKEY:
91 return SIGNATURE_CHECK_FAILED;
93 return SIGNATURE_CHECK_FAILED;
95 return SIGNATURE_CHECK_FAILED;
98 static const gchar *get_validity_str(unsigned long validity)
100 switch (gpg_err_code(validity)) {
101 case GPGME_VALIDITY_UNKNOWN:
103 case GPGME_VALIDITY_UNDEFINED:
104 return _("Undefined");
105 case GPGME_VALIDITY_NEVER:
107 case GPGME_VALIDITY_MARGINAL:
108 return _("Marginal");
109 case GPGME_VALIDITY_FULL:
111 case GPGME_VALIDITY_ULTIMATE:
112 return _("Ultimate");
118 gchar *sgpgme_sigstat_info_short(gpgme_ctx_t ctx, gpgme_verify_result_t status)
120 gpgme_signature_t sig = NULL;
122 if (status == NULL) {
123 return g_strdup(_("The signature has not been checked"));
125 sig = status->signatures;
127 return g_strdup(_("The signature has not been checked"));
130 switch (gpg_err_code(sig->status)) {
131 case GPG_ERR_NO_ERROR:
132 { gpgme_user_id_t user = NULL;
135 gpgme_get_key(ctx, sig->fpr, &key, 0);
139 return g_strdup_printf(_("Valid signature by %s (Trust: %s)"),
140 user->uid, get_validity_str(sig->validity));
142 case GPG_ERR_SIG_EXPIRED:
143 return g_strdup(_("The signature has expired"));
144 case GPG_ERR_KEY_EXPIRED:
145 return g_strdup(_("The key that was used to sign this part has expired"));
146 case GPG_ERR_BAD_SIGNATURE:
147 return g_strdup(_("This signature is invalid"));
148 case GPG_ERR_NO_PUBKEY:
149 return g_strdup(_("You have no key to verify this signature"));
151 return g_strdup(_("The signature has not been checked"));
153 return g_strdup(_("Error"));
156 gchar *sgpgme_sigstat_info_full(gpgme_ctx_t ctx, gpgme_verify_result_t status)
161 gpgme_signature_t sig = status->signatures;
163 siginfo = g_string_sized_new(64);
165 gpgme_user_id_t user = NULL;
168 const gchar *keytype, *keyid, *uid;
170 gpgme_get_key(ctx, sig->fpr, &key, 0);
173 keytype = gpgme_pubkey_algo_name(key->subkeys->pubkey_algo);
174 keyid = key->subkeys->keyid;
175 g_string_append_printf(siginfo,
176 _("Signature made using %s key ID %s\n"),
180 switch (gpg_err_code(sig->status)) {
181 case GPG_ERR_NO_ERROR:
182 case GPG_ERR_KEY_EXPIRED:
183 g_string_append_printf(siginfo,
184 _("Good signature from \"%s\"\n"),
187 case GPG_ERR_SIG_EXPIRED:
188 g_string_append_printf(siginfo,
189 _("Expired signature from \"%s\"\n"),
192 case GPG_ERR_BAD_SIGNATURE:
193 g_string_append_printf(siginfo,
194 _("BAD signature from \"%s\"\n"),
200 if (sig->status != GPG_ERR_BAD_SIGNATURE) {
203 while (user != NULL) {
204 g_string_append_printf(siginfo,
210 g_string_append_printf(siginfo,
211 _("Primary key fingerprint: %s\n"),
215 g_string_append(siginfo, "\n");
221 g_string_free(siginfo, FALSE);
225 gpgme_data_t sgpgme_data_from_mimeinfo(MimeInfo *mimeinfo)
227 gpgme_data_t data = NULL;
229 FILE *fp = fopen(mimeinfo->data.filename, "rb");
230 gchar *tmp_file = NULL;
235 tmp_file = get_tmp_file();
236 copy_file_part(fp, mimeinfo->offset, mimeinfo->length, tmp_file);
238 fp = fopen(tmp_file, "rb");
239 debug_print("tmp file %s\n", tmp_file);
243 err = gpgme_data_new_from_file(&data, tmp_file, 1);
247 debug_print("data %p (%d %d)\n", data, mimeinfo->offset, mimeinfo->length);
249 debug_print ("gpgme_data_new_from_file failed: %s\n",
250 gpgme_strerror (err));
256 gpgme_data_t sgpgme_decrypt_verify(gpgme_data_t cipher, gpgme_verify_result_t *status, gpgme_ctx_t ctx)
258 struct passphrase_cb_info_s info;
262 memset (&info, 0, sizeof info);
264 if (gpgme_data_new(&plain) != GPG_ERR_NO_ERROR) {
269 if (!getenv("GPG_AGENT_INFO")) {
271 gpgme_set_passphrase_cb (ctx, gpgmegtk_passphrase_cb, &info);
274 err = gpgme_op_decrypt_verify(ctx, cipher, plain);
275 if (err != GPG_ERR_NO_ERROR) {
276 debug_print("can't decrypt (%s)\n", gpgme_strerror(err));
277 gpgmegtk_free_passphrase();
278 gpgme_data_release(plain);
282 err = gpgme_data_seek(plain, 0, SEEK_SET);
284 debug_print("can't seek (%d %d %s)\n", err, errno, strerror(errno));
287 debug_print("decrypted.\n");
288 *status = gpgme_op_verify_result (ctx);
293 gchar *sgpgme_get_encrypt_data(GSList *recp_names)
295 gpgme_key_t *keys = gpgmegtk_recipient_selection(recp_names);
303 gpgme_subkey_t skey = keys[i]->subkeys;
304 gchar *fpr = skey->fpr;
306 debug_print("adding %s\n", fpr);
307 tmp = g_strconcat(ret?ret:"", fpr, " ", NULL);
315 gboolean sgpgme_setup_signers(gpgme_ctx_t ctx, PrefsAccount *account)
317 GPGAccountConfig *config;
319 gpgme_signers_clear(ctx);
321 config = prefs_gpg_account_get_config(account);
323 if (config->sign_key != SIGN_KEY_DEFAULT) {
327 if (config->sign_key == SIGN_KEY_BY_FROM)
328 keyid = account->address;
329 else if (config->sign_key == SIGN_KEY_CUSTOM)
330 keyid = config->sign_key_id;
334 gpgme_op_keylist_start(ctx, keyid, 1);
335 while (!gpgme_op_keylist_next(ctx, &key)) {
336 gpgme_signers_add(ctx, key);
337 gpgme_key_release(key);
339 gpgme_op_keylist_end(ctx);
342 prefs_gpg_account_free_config(config);
349 gpgme_engine_info_t engineInfo;
350 if (gpgme_check_version("0.4.5")) {
351 gpgme_set_locale(NULL, LC_CTYPE, setlocale(LC_CTYPE, NULL));
352 gpgme_set_locale(NULL, LC_MESSAGES, setlocale(LC_MESSAGES, NULL));
353 if (!gpgme_get_engine_info(&engineInfo)) {
355 debug_print("GpgME Protocol: %s\n Version: %s\n",
356 gpgme_get_protocol_name(engineInfo->protocol),
357 engineInfo->version);
358 engineInfo = engineInfo->next;
362 sgpgme_disable_all();
364 if (prefs_gpg_get_config()->gpg_warning) {
367 val = alertpanel_message_with_disable
369 _("GnuPG is not installed properly, or needs "
371 "OpenPGP support disabled."),
372 NULL, NULL, NULL, ALERT_WARNING);
373 if (val & G_ALERTDISABLE)
374 prefs_gpg_get_config()->gpg_warning = FALSE;
381 gpgmegtk_free_passphrase();
384 #endif /* USE_GPGME */