2 * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
3 * Copyright (C) 1999-2012 Colin Leroy <colin@colino.net>
4 * and the Claws Mail team
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include "claws-features.h"
28 #include <libetpan/libetpan.h>
29 #include <libetpan/libetpan_version.h>
30 #include <gnutls/gnutls.h>
31 #include <gnutls/x509.h>
34 #include <glib/gi18n.h>
37 #include "etpan-ssl.h"
38 #include "ssl_certificate.h"
41 #include "prefs_account.h"
43 gboolean etpan_certificate_check(mailstream *stream, const char *host, gint port)
45 #if (!defined LIBETPAN_API_CURRENT || LIBETPAN_API_CURRENT < 18)
46 unsigned char *cert_der = NULL;
48 gnutls_x509_crt_t cert = NULL;
54 len = (int)mailstream_ssl_get_certificate(stream, &cert_der);
56 if (cert_der == NULL || len < 0) {
57 g_warning("no cert presented.\n");
61 tmp.data = malloc(len);
62 memcpy(tmp.data, cert_der, len);
64 gnutls_x509_crt_init(&cert);
68 if (gnutls_x509_crt_import(cert, &tmp, GNUTLS_X509_FMT_DER) < 0) {
70 g_warning("IMAP: can't get cert\n");
72 } else if (ssl_certificate_check(cert, (guint)-1, host, port) == TRUE) {
74 gnutls_x509_crt_deinit(cert);
78 gnutls_x509_crt_deinit(cert);
82 carray *certs_der = NULL;
83 gint chain_len = 0, i;
84 gnutls_x509_crt_t *certs = NULL;
90 certs_der = mailstream_get_certificate_chain(stream);
92 g_warning("could not get certs");
95 chain_len = carray_count(certs_der);
97 certs = malloc(sizeof(gnutls_x509_crt_t) * chain_len);
99 g_warning("could not allocate certs");
104 for (i = 0; i < chain_len; i++) {
105 MMAPString *cert_str = carray_get(certs_der, i);
108 tmp.data = malloc(cert_str->len);
109 memcpy(tmp.data, cert_str->str, cert_str->len);
110 tmp.size = cert_str->len;
112 mmap_string_free(cert_str);
114 gnutls_x509_crt_init(&certs[i]);
115 if (gnutls_x509_crt_import(certs[i], &tmp, GNUTLS_X509_FMT_DER) < 0)
121 carray_free(certs_der);
124 result = ssl_certificate_check_chain(certs, chain_len, host, port);
126 for (i = 0; i < chain_len; i++)
127 gnutls_x509_crt_deinit(certs[i]);
134 void etpan_connect_ssl_context_cb(struct mailstream_ssl_context * ssl_context, void * data)
136 PrefsAccount *account = (PrefsAccount *)data;
137 const gchar *cert_path = NULL;
138 const gchar *password = NULL;
139 gnutls_x509_crt_t x509 = NULL;
140 gnutls_x509_privkey_t pkey = NULL;
142 if (account->in_ssl_client_cert_file && *account->in_ssl_client_cert_file)
143 cert_path = account->in_ssl_client_cert_file;
144 if (account->in_ssl_client_cert_pass && *account->in_ssl_client_cert_pass)
145 password = account->in_ssl_client_cert_pass;
147 if (mailstream_ssl_set_client_certificate_data(ssl_context, NULL, 0) < 0 ||
148 mailstream_ssl_set_client_private_key_data(ssl_context, NULL, 0) < 0)
149 debug_print("Impossible to set the client certificate.\n");
150 x509 = ssl_certificate_get_x509_from_pem_file(cert_path);
151 pkey = ssl_certificate_get_pkey_from_pem_file(cert_path);
152 if (!(x509 && pkey)) {
153 /* try pkcs12 format */
154 ssl_certificate_get_x509_and_pkey_from_p12_file(cert_path, password, &x509, &pkey);
157 unsigned char *x509_der = NULL, *pkey_der = NULL;
158 size_t x509_len, pkey_len;
160 x509_len = (size_t)gnutls_i2d_X509(x509, &x509_der);
161 pkey_len = (size_t)gnutls_i2d_PrivateKey(pkey, &pkey_der);
162 if (x509_len > 0 && pkey_len > 0) {
163 if (mailstream_ssl_set_client_certificate_data(ssl_context, x509_der, x509_len) < 0 ||
164 mailstream_ssl_set_client_private_key_data(ssl_context, pkey_der, pkey_len) < 0)
165 log_error(LOG_PROTOCOL, _("Impossible to set the client certificate.\n"));
169 gnutls_x509_crt_deinit(x509);
170 gnutls_x509_privkey_deinit(pkey);
174 #endif /* USE_GNUTLS */
175 #endif /* HAVE_LIBETPAN */