comparison: plugins/ssl/ssl-gnutls.c
plugins/ssl/ssl-gnutls.c
- changeset 7016
- 895a5ff9ebd4
- child 7050
- 12730863b0f9
equal
deleted
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| 7015:bea9111282b3 | 7016:895a5ff9ebd4 |
|---|---|
| 1 /** | |
| 2 * @file ssl-gnutls.c GNUTLS SSL plugin. | |
| 3 * | |
| 4 * gaim | |
| 5 * | |
| 6 * Copyright (C) 2003 Christian Hammond <chipx86@gnupdate.org> | |
| 7 * | |
| 8 * This program is free software; you can redistribute it and/or modify | |
| 9 * it under the terms of the GNU General Public License as published by | |
| 10 * the Free Software Foundation; either version 2 of the License, or | |
| 11 * (at your option) any later version. | |
| 12 * | |
| 13 * This program is distributed in the hope that it will be useful, | |
| 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 16 * GNU General Public License for more details. | |
| 17 * | |
| 18 * You should have received a copy of the GNU General Public License | |
| 19 * along with this program; if not, write to the Free Software | |
| 20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 21 */ | |
| 22 #include "internal.h" | |
| 23 #include "plugin.h" | |
| 24 | |
| 25 #define SSL_GNUTLS_PLUGIN_ID "ssl-gnutls" | |
| 26 | |
| 27 #ifdef HAVE_GNUTLS | |
| 28 | |
| 29 #include "debug.h" | |
| 30 #include "sslconn.h" | |
| 31 | |
| 32 #include <gnutls/gnutls.h> | |
| 33 | |
| 34 typedef struct | |
| 35 { | |
| 36 gnutls_session session; | |
| 37 | |
| 38 } GaimSslGnutlsData; | |
| 39 | |
| 40 #define GAIM_SSL_GNUTLS_DATA(gsc) ((GaimSslGnutlsData *)gsc->private_data) | |
| 41 | |
| 42 static gnutls_certificate_client_credentials xcred; | |
| 43 | |
| 44 static gboolean | |
| 45 ssl_gnutls_init(void) | |
| 46 { | |
| 47 gnutls_global_init(); | |
| 48 | |
| 49 gnutls_certificate_allocate_credentials(&xcred); | |
| 50 gnutls_certificate_set_x509_trust_file(xcred, "ca.pem", | |
| 51 GNUTLS_X509_FMT_PEM); | |
| 52 | |
| 53 return TRUE; | |
| 54 } | |
| 55 | |
| 56 static void | |
| 57 ssl_gnutls_uninit(void) | |
| 58 { | |
| 59 gnutls_global_deinit(); | |
| 60 | |
| 61 gnutls_certificate_free_credentials(xcred); | |
| 62 } | |
| 63 | |
| 64 static void | |
| 65 ssl_gnutls_connect_cb(gpointer data, gint source, GaimInputCondition cond) | |
| 66 { | |
| 67 GaimSslConnection *gsc = (GaimSslConnection *)data; | |
| 68 GaimSslGnutlsData *gnutls_data; | |
| 69 static const int cert_type_priority[2] = { GNUTLS_CRT_X509, 0 }; | |
| 70 int ret; | |
| 71 | |
| 72 if (source < 0) | |
| 73 return; | |
| 74 | |
| 75 gsc->fd = source; | |
| 76 | |
| 77 gnutls_data = g_new0(GaimSslGnutlsData, 1); | |
| 78 gsc->private_data = gnutls_data; | |
| 79 | |
| 80 gnutls_init(&gnutls_data->session, GNUTLS_CLIENT); | |
| 81 gnutls_set_default_priority(gnutls_data->session); | |
| 82 | |
| 83 gnutls_certificate_type_set_priority(gnutls_data->session, | |
| 84 cert_type_priority); | |
| 85 | |
| 86 gnutls_credentials_set(gnutls_data->session, GNUTLS_CRD_CERTIFICATE, | |
| 87 xcred); | |
| 88 | |
| 89 gnutls_transport_set_ptr(gnutls_data->session, GINT_TO_POINTER(source)); | |
| 90 | |
| 91 gaim_debug_info("gnutls", "Handshaking\n"); | |
| 92 ret = gnutls_handshake(gnutls_data->session); | |
| 93 | |
| 94 if (ret < 0) | |
| 95 { | |
| 96 gaim_debug_error("gnutls", "Handshake failed\n"); | |
| 97 | |
| 98 /* XXX: notify the guy expecting the callback somehow? */ | |
| 99 gaim_ssl_close(gsc); | |
| 100 } | |
| 101 else | |
| 102 { | |
| 103 gsc->connect_cb(gsc->connect_cb_data, gsc, cond); | |
| 104 } | |
| 105 } | |
| 106 | |
| 107 static void | |
| 108 ssl_gnutls_close(GaimSslConnection *gsc) | |
| 109 { | |
| 110 GaimSslGnutlsData *gnutls_data = GAIM_SSL_GNUTLS_DATA(gsc); | |
| 111 | |
| 112 gnutls_bye(gnutls_data->session, GNUTLS_SHUT_RDWR); | |
| 113 | |
| 114 gnutls_deinit(gnutls_data->session); | |
| 115 | |
| 116 g_free(gnutls_data); | |
| 117 } | |
| 118 | |
| 119 static size_t | |
| 120 ssl_gnutls_read(GaimSslConnection *gsc, void *data, size_t len) | |
| 121 { | |
| 122 GaimSslGnutlsData *gnutls_data = GAIM_SSL_GNUTLS_DATA(gsc); | |
| 123 int s; | |
| 124 | |
| 125 s = gnutls_record_recv(gnutls_data->session, data, len); | |
| 126 | |
| 127 if (s < 0) | |
| 128 s = 0; | |
| 129 | |
| 130 return s; | |
| 131 } | |
| 132 | |
| 133 static size_t | |
| 134 ssl_gnutls_write(GaimSslConnection *gsc, const void *data, size_t len) | |
| 135 { | |
| 136 GaimSslGnutlsData *gnutls_data = GAIM_SSL_GNUTLS_DATA(gsc); | |
| 137 size_t s; | |
| 138 | |
| 139 s = gnutls_record_send(gnutls_data->session, data, len); | |
| 140 | |
| 141 if (s < 0) | |
| 142 s = 0; | |
| 143 | |
| 144 return s; | |
| 145 } | |
| 146 | |
| 147 static GaimSslOps ssl_ops = | |
| 148 { | |
| 149 ssl_gnutls_init, | |
| 150 ssl_gnutls_uninit, | |
| 151 ssl_gnutls_connect_cb, | |
| 152 ssl_gnutls_close, | |
| 153 ssl_gnutls_read, | |
| 154 ssl_gnutls_write | |
| 155 }; | |
| 156 | |
| 157 #endif /* HAVE_GNUTLS */ | |
| 158 | |
| 159 static gboolean | |
| 160 plugin_load(GaimPlugin *plugin) | |
| 161 { | |
| 162 #ifdef HAVE_GNUTLS | |
| 163 gaim_ssl_set_ops(&ssl_ops); | |
| 164 | |
| 165 return TRUE; | |
| 166 #else | |
| 167 return FALSE; | |
| 168 #endif | |
| 169 } | |
| 170 | |
| 171 static gboolean | |
| 172 plugin_unload(GaimPlugin *plugin) | |
| 173 { | |
| 174 return TRUE; | |
| 175 } | |
| 176 | |
| 177 static GaimPluginInfo info = | |
| 178 { | |
| 179 2, /**< api_version */ | |
| 180 GAIM_PLUGIN_STANDARD, /**< type */ | |
| 181 NULL, /**< ui_requirement */ | |
| 182 GAIM_PLUGIN_FLAG_INVISIBLE, /**< flags */ | |
| 183 NULL, /**< dependencies */ | |
| 184 GAIM_PRIORITY_DEFAULT, /**< priority */ | |
| 185 | |
| 186 SSL_GNUTLS_PLUGIN_ID, /**< id */ | |
| 187 N_("GNUTLS"), /**< name */ | |
| 188 VERSION, /**< version */ | |
| 189 /** summary */ | |
| 190 N_("Provides SSL support through GNUTLS."), | |
| 191 /** description */ | |
| 192 N_("Provides SSL support through GNUTLS."), | |
| 193 "Christian Hammond <chipx86@gnupdate.org>", | |
| 194 GAIM_WEBSITE, /**< homepage */ | |
| 195 | |
| 196 plugin_load, /**< load */ | |
| 197 plugin_unload, /**< unload */ | |
| 198 NULL, /**< destroy */ | |
| 199 | |
| 200 NULL, /**< ui_info */ | |
| 201 NULL /**< extra_info */ | |
| 202 }; | |
| 203 | |
| 204 static void | |
| 205 init_plugin(GaimPlugin *plugin) | |
| 206 { | |
| 207 } | |
| 208 | |
| 209 GAIM_INIT_PLUGIN(ssl_gnutls, init_plugin, info) |
