2 * Sylpheed -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2006 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;
162 gpgme_error_t err = 0;
163 static gboolean warned = FALSE;
165 if (GPOINTER_TO_INT(status) == -GPG_ERR_SYSTEM_ERROR) {
166 return g_strdup(_("The signature can't be checked - GPG error."));
169 if (status == NULL) {
170 return g_strdup(_("The signature has not been checked."));
172 sig = status->signatures;
174 return g_strdup(_("The signature has not been checked."));
177 err = gpgme_get_key(ctx, sig->fpr, &key, 0);
178 if (gpg_err_code(err) == GPG_ERR_NO_AGENT) {
180 alertpanel_error(_("PGP Core: Can't get key - no gpg-agent running."));
182 g_warning(_("PGP Core: Can't get key - no gpg-agent running."));
186 uname = extract_name(key->uids->uid);
188 uname = g_strdup("<?>");
189 switch (gpg_err_code(sig->status)) {
190 case GPG_ERR_NO_ERROR:
191 switch (gpg_err_code(sig->validity)) {
192 case GPGME_VALIDITY_MARGINAL:
193 case GPGME_VALIDITY_FULL:
194 case GPGME_VALIDITY_ULTIMATE:
195 result = g_strdup_printf(_("Good signature from %s."), uname);
197 case GPGME_VALIDITY_UNKNOWN:
198 case GPGME_VALIDITY_UNDEFINED:
199 case GPGME_VALIDITY_NEVER:
201 result = g_strdup_printf(_("Good signature (untrusted) from %s."), uname);
205 case GPG_ERR_SIG_EXPIRED:
206 result = g_strdup_printf(_("Expired signature from %s."), uname);
208 case GPG_ERR_KEY_EXPIRED:
209 result = g_strdup_printf(_("Expired key from %s."), uname);
211 case GPG_ERR_BAD_SIGNATURE:
212 result = g_strdup_printf(_("Bad signature from %s."), uname);
214 case GPG_ERR_NO_PUBKEY: {
215 gchar *id = g_strdup(sig->fpr + strlen(sig->fpr)-8);
216 result = g_strdup_printf(_("Key 0x%s not available to verify this signature."), id);
221 result = g_strdup(_("The signature has not been checked."));
225 result = g_strdup(_("Error"));
230 gchar *sgpgme_sigstat_info_full(gpgme_ctx_t ctx, gpgme_verify_result_t status)
235 gpgme_signature_t sig = status->signatures;
237 siginfo = g_string_sized_new(64);
239 gpgme_user_id_t user = NULL;
242 const gchar *keytype, *keyid, *uid;
244 gpgme_get_key(ctx, sig->fpr, &key, 0);
248 keytype = gpgme_pubkey_algo_name(
249 key->subkeys->pubkey_algo);
250 keyid = key->subkeys->keyid;
257 g_string_append_printf(siginfo,
258 _("Signature made using %s key ID %s\n"),
261 switch (gpg_err_code(sig->status)) {
262 case GPG_ERR_NO_ERROR:
263 case GPG_ERR_KEY_EXPIRED:
264 g_string_append_printf(siginfo,
265 _("Good signature from \"%s\" (Trust: %s)\n"),
266 uid, get_validity_str(sig->validity));
268 case GPG_ERR_SIG_EXPIRED:
269 g_string_append_printf(siginfo,
270 _("Expired signature from \"%s\"\n"),
273 case GPG_ERR_BAD_SIGNATURE:
274 g_string_append_printf(siginfo,
275 _("BAD signature from \"%s\"\n"),
281 if (sig->status != GPG_ERR_BAD_SIGNATURE) {
283 user = user ? user->next : NULL;
284 while (user != NULL) {
285 g_string_append_printf(siginfo,
291 g_string_append_printf(siginfo,
292 _("Primary key fingerprint: %s\n"),
293 sig ? sig->fpr: "?");
294 #ifdef HAVE_GPGME_PKA_TRUST
295 if (sig->pka_trust == 1 && sig->pka_address) {
296 g_string_append_printf(siginfo,
297 _("WARNING: Signer's address \"%s\" "
298 "does not match DNS entry\n"),
301 else if (sig->pka_trust == 2 && sig->pka_address) {
302 g_string_append_printf(siginfo,
303 _("Verified signer's address is \"%s\"\n"),
305 /* FIXME: Compare the address to the
308 #endif /*HAVE_GPGME_PKA_TRUST*/
311 g_string_append(siginfo, "\n");
317 g_string_free(siginfo, FALSE);
321 gpgme_data_t sgpgme_data_from_mimeinfo(MimeInfo *mimeinfo)
323 gpgme_data_t data = NULL;
325 FILE *fp = g_fopen(mimeinfo->data.filename, "rb");
326 gchar *tmp_file = NULL;
331 tmp_file = get_tmp_file();
332 copy_file_part(fp, mimeinfo->offset, mimeinfo->length, tmp_file);
334 fp = g_fopen(tmp_file, "rb");
335 debug_print("tmp file %s\n", tmp_file);
339 err = gpgme_data_new_from_file(&data, tmp_file, 1);
343 debug_print("data %p (%d %d)\n", (void *)&data, mimeinfo->offset, mimeinfo->length);
345 debug_print ("gpgme_data_new_from_file failed: %s\n",
346 gpgme_strerror (err));
352 gpgme_data_t sgpgme_decrypt_verify(gpgme_data_t cipher, gpgme_verify_result_t *status, gpgme_ctx_t ctx)
354 struct passphrase_cb_info_s info;
358 memset (&info, 0, sizeof info);
360 if (gpgme_data_new(&plain) != GPG_ERR_NO_ERROR) {
365 if (gpgme_get_protocol(ctx) == GPGME_PROTOCOL_OpenPGP) {
366 if (!getenv("GPG_AGENT_INFO")) {
368 gpgme_set_passphrase_cb (ctx, gpgmegtk_passphrase_cb, &info);
372 gpgme_set_passphrase_cb (ctx, NULL, &info);
376 if (gpgme_get_protocol(ctx) == GPGME_PROTOCOL_OpenPGP) {
377 err = gpgme_op_decrypt_verify(ctx, cipher, plain);
378 if (err != GPG_ERR_NO_ERROR) {
379 debug_print("can't decrypt (%s)\n", gpgme_strerror(err));
380 gpgmegtk_free_passphrase();
381 gpgme_data_release(plain);
385 err = gpgme_data_rewind(plain);
387 debug_print("can't seek (%d %d %s)\n", err, errno, strerror(errno));
390 debug_print("decrypted.\n");
391 *status = gpgme_op_verify_result (ctx);
393 err = gpgme_op_decrypt(ctx, cipher, plain);
394 if (err != GPG_ERR_NO_ERROR) {
395 debug_print("can't decrypt (%s)\n", gpgme_strerror(err));
396 gpgmegtk_free_passphrase();
397 gpgme_data_release(plain);
401 err = gpgme_data_rewind(plain);
403 debug_print("can't seek (%d %d %s)\n", err, errno, strerror(errno));
406 debug_print("decrypted.\n");
407 *status = gpgme_op_verify_result (ctx);
412 gchar *sgpgme_get_encrypt_data(GSList *recp_names, gpgme_protocol_t proto)
414 SelectionResult result = KEY_SELECTION_CANCEL;
415 gpgme_key_t *keys = gpgmegtk_recipient_selection(recp_names, &result,
421 if (result == KEY_SELECTION_DONT)
422 return g_strdup("_DONT_ENCRYPT_");
427 gpgme_subkey_t skey = keys[i]->subkeys;
428 gchar *fpr = skey->fpr;
430 debug_print("adding %s\n", fpr);
431 tmp = g_strconcat(ret?ret:"", fpr, " ", NULL);
439 gboolean sgpgme_setup_signers(gpgme_ctx_t ctx, PrefsAccount *account)
441 GPGAccountConfig *config;
443 gpgme_signers_clear(ctx);
445 config = prefs_gpg_account_get_config(account);
447 if (config->sign_key != SIGN_KEY_DEFAULT) {
452 if (config->sign_key == SIGN_KEY_BY_FROM)
453 keyid = account->address;
454 else if (config->sign_key == SIGN_KEY_CUSTOM)
455 keyid = config->sign_key_id;
459 err = gpgme_op_keylist_start(ctx, keyid, 1);
461 g_warning("setup_signers start: %s",
465 while (!(err = gpgme_op_keylist_next(ctx, &key))) {
466 gpgme_signers_add(ctx, key);
467 gpgme_key_release(key);
469 if (err && gpg_err_code(err) != GPG_ERR_EOF) {
470 g_warning("setup_signers next: %s",
474 err = gpgme_op_keylist_end(ctx);
476 g_warning("setup_signers end: %s",
482 prefs_gpg_account_free_config(config);
489 gpgme_engine_info_t engineInfo;
490 if (gpgme_check_version("1.0.0")) {
492 gpgme_set_locale(NULL, LC_CTYPE, setlocale(LC_CTYPE, NULL));
495 gpgme_set_locale(NULL, LC_MESSAGES, setlocale(LC_MESSAGES, NULL));
497 if (!gpgme_get_engine_info(&engineInfo)) {
499 debug_print("GpgME Protocol: %s\n Version: %s\n",
500 gpgme_get_protocol_name(engineInfo->protocol),
501 engineInfo->version);
502 engineInfo = engineInfo->next;
506 sgpgme_disable_all();
508 if (prefs_gpg_get_config()->gpg_warning) {
511 val = alertpanel_full
513 _("GnuPG is not installed properly, or needs "
515 "OpenPGP support disabled."),
516 GTK_STOCK_CLOSE, NULL, NULL, TRUE, NULL,
517 ALERT_WARNING, G_ALERTDEFAULT);
518 if (val & G_ALERTDISABLE)
519 prefs_gpg_get_config()->gpg_warning = FALSE;
526 gpgmegtk_free_passphrase();
529 #endif /* USE_GPGME */