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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
30 #include <glib/gi18n.h>
39 #include "prefs_common.h"
41 #include "alertpanel.h"
42 #include "passphrase.h"
43 #include "prefs_gpg.h"
44 #include "select-keys.h"
46 static void sgpgme_disable_all(void)
48 /* FIXME: set a flag, so that we don't bother the user with failed
52 gpgme_verify_result_t sgpgme_verify_signature(gpgme_ctx_t ctx, gpgme_data_t sig,
53 gpgme_data_t plain, gpgme_data_t dummy)
55 gpgme_verify_result_t status = NULL;
58 if ((err = gpgme_op_verify(ctx, sig, plain, dummy)) != GPG_ERR_NO_ERROR) {
59 debug_print("op_verify err %s\n", gpgme_strerror(err));
60 return GINT_TO_POINTER(-GPG_ERR_SYSTEM_ERROR);
63 status = gpgme_op_verify_result(ctx);
68 SignatureStatus sgpgme_sigstat_gpgme_to_privacy(gpgme_ctx_t ctx, gpgme_verify_result_t status)
70 unsigned long validity = 0;
71 gpgme_signature_t sig = NULL;
73 if (GPOINTER_TO_INT(status) == -GPG_ERR_SYSTEM_ERROR) {
74 debug_print("system error\n");
75 return SIGNATURE_CHECK_FAILED;
79 debug_print("status == NULL\n");
80 return SIGNATURE_UNCHECKED;
82 sig = status->signatures;
85 debug_print("sig == NULL\n");
86 return SIGNATURE_UNCHECKED;
88 validity = sig->validity;
90 debug_print("err code %d\n", gpg_err_code(sig->status));
91 switch (gpg_err_code(sig->status)) {
92 case GPG_ERR_NO_ERROR:
93 switch (gpg_err_code(sig->validity)) {
94 case GPGME_VALIDITY_NEVER:
95 return SIGNATURE_INVALID;
96 case GPGME_VALIDITY_UNKNOWN:
97 case GPGME_VALIDITY_UNDEFINED:
98 case GPGME_VALIDITY_MARGINAL:
99 case GPGME_VALIDITY_FULL:
100 case GPGME_VALIDITY_ULTIMATE:
103 return SIGNATURE_CHECK_FAILED;
105 case GPG_ERR_SIG_EXPIRED:
106 case GPG_ERR_KEY_EXPIRED:
107 return SIGNATURE_WARN;
108 case GPG_ERR_BAD_SIGNATURE:
109 return SIGNATURE_INVALID;
110 case GPG_ERR_NO_PUBKEY:
111 return SIGNATURE_CHECK_FAILED;
113 return SIGNATURE_CHECK_FAILED;
115 return SIGNATURE_CHECK_FAILED;
118 static const gchar *get_validity_str(unsigned long validity)
120 switch (gpg_err_code(validity)) {
121 case GPGME_VALIDITY_UNKNOWN:
123 case GPGME_VALIDITY_UNDEFINED:
124 return _("Undefined");
125 case GPGME_VALIDITY_NEVER:
127 case GPGME_VALIDITY_MARGINAL:
128 return _("Marginal");
129 case GPGME_VALIDITY_FULL:
131 case GPGME_VALIDITY_ULTIMATE:
132 return _("Ultimate");
138 static gchar *extract_name(const char *uid)
142 if (!strncmp(uid, "CN=", 3)) {
143 gchar *result = g_strdup(uid+3);
144 if (strstr(result, ","))
145 *(strstr(result, ",")) = '\0';
147 } else if (strstr(uid, ",CN=")) {
148 gchar *result = g_strdup(strstr(uid, ",CN=")+4);
149 if (strstr(result, ","))
150 *(strstr(result, ",")) = '\0';
153 return g_strdup(uid);
156 gchar *sgpgme_sigstat_info_short(gpgme_ctx_t ctx, gpgme_verify_result_t status)
158 gpgme_signature_t sig = NULL;
161 gchar *result = NULL;
163 if (GPOINTER_TO_INT(status) == -GPG_ERR_SYSTEM_ERROR) {
164 return g_strdup(_("The signature can't be checked - GPG error."));
167 if (status == NULL) {
168 return g_strdup(_("The signature has not been checked."));
170 sig = status->signatures;
172 return g_strdup(_("The signature has not been checked."));
175 gpgme_get_key(ctx, sig->fpr, &key, 0);
177 uname = extract_name(key->uids->uid);
179 uname = g_strdup("<?>");
180 switch (gpg_err_code(sig->status)) {
181 case GPG_ERR_NO_ERROR:
182 switch (gpg_err_code(sig->validity)) {
183 case GPGME_VALIDITY_MARGINAL:
184 case GPGME_VALIDITY_FULL:
185 case GPGME_VALIDITY_ULTIMATE:
186 result = g_strdup_printf(_("Good signature from %s."), uname);
188 case GPGME_VALIDITY_UNKNOWN:
189 case GPGME_VALIDITY_UNDEFINED:
190 case GPGME_VALIDITY_NEVER:
192 result = g_strdup_printf(_("Good signature (untrusted) from %s."), uname);
196 case GPG_ERR_SIG_EXPIRED:
197 result = g_strdup_printf(_("Expired signature from %s."), uname);
199 case GPG_ERR_KEY_EXPIRED:
200 result = g_strdup_printf(_("Expired key from %s."), uname);
202 case GPG_ERR_BAD_SIGNATURE:
203 result = g_strdup_printf(_("Bad signature from %s."), uname);
205 case GPG_ERR_NO_PUBKEY: {
206 gchar *id = g_strdup(sig->fpr + strlen(sig->fpr)-8);
207 result = g_strdup_printf(_("Key 0x%s not available to verify this signature."), id);
212 result = g_strdup(_("The signature has not been checked."));
216 result = g_strdup(_("Error"));
221 gchar *sgpgme_sigstat_info_full(gpgme_ctx_t ctx, gpgme_verify_result_t status)
226 gpgme_signature_t sig = status->signatures;
228 siginfo = g_string_sized_new(64);
230 gpgme_user_id_t user = NULL;
233 const gchar *keytype, *keyid, *uid;
235 gpgme_get_key(ctx, sig->fpr, &key, 0);
239 keytype = gpgme_pubkey_algo_name(
240 key->subkeys->pubkey_algo);
241 keyid = key->subkeys->keyid;
248 g_string_append_printf(siginfo,
249 _("Signature made using %s key ID %s\n"),
252 switch (gpg_err_code(sig->status)) {
253 case GPG_ERR_NO_ERROR:
254 case GPG_ERR_KEY_EXPIRED:
255 g_string_append_printf(siginfo,
256 _("Good signature from \"%s\" (Trust: %s)\n"),
257 uid, get_validity_str(sig->validity));
259 case GPG_ERR_SIG_EXPIRED:
260 g_string_append_printf(siginfo,
261 _("Expired signature from \"%s\"\n"),
264 case GPG_ERR_BAD_SIGNATURE:
265 g_string_append_printf(siginfo,
266 _("BAD signature from \"%s\"\n"),
272 if (sig->status != GPG_ERR_BAD_SIGNATURE) {
274 user = user ? user->next : NULL;
275 while (user != NULL) {
276 g_string_append_printf(siginfo,
282 g_string_append_printf(siginfo,
283 _("Primary key fingerprint: %s\n"),
284 sig ? sig->fpr: "?");
285 #ifdef HAVE_GPGME_PKA_TRUST
286 if (sig->pka_trust == 1 && sig->pka_address) {
287 g_string_append_printf(siginfo,
288 _("WARNING: Signer's address \"%s\" "
289 "does not match DNS entry\n"),
292 else if (sig->pka_trust == 2 && sig->pka_address) {
293 g_string_append_printf(siginfo,
294 _("Verified signer's address is \"%s\"\n"),
296 /* FIXME: Compare the address to the
299 #endif /*HAVE_GPGME_PKA_TRUST*/
302 g_string_append(siginfo, "\n");
308 g_string_free(siginfo, FALSE);
312 gpgme_data_t sgpgme_data_from_mimeinfo(MimeInfo *mimeinfo)
314 gpgme_data_t data = NULL;
316 FILE *fp = g_fopen(mimeinfo->data.filename, "rb");
317 gchar *tmp_file = NULL;
322 tmp_file = get_tmp_file();
323 copy_file_part(fp, mimeinfo->offset, mimeinfo->length, tmp_file);
325 fp = g_fopen(tmp_file, "rb");
326 debug_print("tmp file %s\n", tmp_file);
330 err = gpgme_data_new_from_file(&data, tmp_file, 1);
334 debug_print("data %p (%d %d)\n", (void *)&data, mimeinfo->offset, mimeinfo->length);
336 debug_print ("gpgme_data_new_from_file failed: %s\n",
337 gpgme_strerror (err));
343 gpgme_data_t sgpgme_decrypt_verify(gpgme_data_t cipher, gpgme_verify_result_t *status, gpgme_ctx_t ctx)
345 struct passphrase_cb_info_s info;
349 memset (&info, 0, sizeof info);
351 if (gpgme_data_new(&plain) != GPG_ERR_NO_ERROR) {
356 if (!getenv("GPG_AGENT_INFO")) {
358 gpgme_set_passphrase_cb (ctx, gpgmegtk_passphrase_cb, &info);
361 err = gpgme_op_decrypt_verify(ctx, cipher, plain);
362 if (err != GPG_ERR_NO_ERROR) {
363 debug_print("can't decrypt (%s)\n", gpgme_strerror(err));
364 gpgmegtk_free_passphrase();
365 gpgme_data_release(plain);
369 err = gpgme_data_rewind(plain);
371 debug_print("can't seek (%d %d %s)\n", err, errno, strerror(errno));
374 debug_print("decrypted.\n");
375 *status = gpgme_op_verify_result (ctx);
380 gchar *sgpgme_get_encrypt_data(GSList *recp_names)
382 SelectionResult result = KEY_SELECTION_CANCEL;
383 gpgme_key_t *keys = gpgmegtk_recipient_selection(recp_names, &result);
388 if (result == KEY_SELECTION_DONT)
389 return g_strdup("_DONT_ENCRYPT_");
394 gpgme_subkey_t skey = keys[i]->subkeys;
395 gchar *fpr = skey->fpr;
397 debug_print("adding %s\n", fpr);
398 tmp = g_strconcat(ret?ret:"", fpr, " ", NULL);
406 gboolean sgpgme_setup_signers(gpgme_ctx_t ctx, PrefsAccount *account)
408 GPGAccountConfig *config;
410 gpgme_signers_clear(ctx);
412 config = prefs_gpg_account_get_config(account);
414 if (config->sign_key != SIGN_KEY_DEFAULT) {
418 if (config->sign_key == SIGN_KEY_BY_FROM)
419 keyid = account->address;
420 else if (config->sign_key == SIGN_KEY_CUSTOM)
421 keyid = config->sign_key_id;
425 gpgme_op_keylist_start(ctx, keyid, 1);
426 while (!gpgme_op_keylist_next(ctx, &key)) {
427 gpgme_signers_add(ctx, key);
428 gpgme_key_release(key);
430 gpgme_op_keylist_end(ctx);
433 prefs_gpg_account_free_config(config);
440 gpgme_engine_info_t engineInfo;
441 if (gpgme_check_version("1.0.0")) {
443 gpgme_set_locale(NULL, LC_CTYPE, setlocale(LC_CTYPE, NULL));
446 gpgme_set_locale(NULL, LC_MESSAGES, setlocale(LC_MESSAGES, NULL));
448 if (!gpgme_get_engine_info(&engineInfo)) {
450 debug_print("GpgME Protocol: %s\n Version: %s\n",
451 gpgme_get_protocol_name(engineInfo->protocol),
452 engineInfo->version);
453 engineInfo = engineInfo->next;
457 sgpgme_disable_all();
459 if (prefs_gpg_get_config()->gpg_warning) {
462 val = alertpanel_full
464 _("GnuPG is not installed properly, or needs "
466 "OpenPGP support disabled."),
467 GTK_STOCK_CLOSE, NULL, NULL, TRUE, NULL,
468 ALERT_WARNING, G_ALERTDEFAULT);
469 if (val & G_ALERTDISABLE)
470 prefs_gpg_get_config()->gpg_warning = FALSE;
477 gpgmegtk_free_passphrase();
480 #endif /* USE_GPGME */