comparison: libpurple/sslconn.c
libpurple/sslconn.c
- changeset 16238
- 33bf2fd32108
- parent 8046
- c581b20a47d6
- parent 15884
- 4de1981757fc
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| 13071:b98e72d4089a | 16238:33bf2fd32108 |
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| 1 /** | |
| 2 * @file sslconn.c SSL API | |
| 3 * @ingroup core | |
| 4 * | |
| 5 * purple | |
| 6 * | |
| 7 * Purple is the legal property of its developers, whose names are too numerous | |
| 8 * to list here. Please refer to the COPYRIGHT file distributed with this | |
| 9 * source distribution. | |
| 10 * | |
| 11 * This program is free software; you can redistribute it and/or modify | |
| 12 * it under the terms of the GNU General Public License as published by | |
| 13 * the Free Software Foundation; either version 2 of the License, or | |
| 14 * (at your option) any later version. | |
| 15 * | |
| 16 * This program is distributed in the hope that it will be useful, | |
| 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 19 * GNU General Public License for more details. | |
| 20 * | |
| 21 * You should have received a copy of the GNU General Public License | |
| 22 * along with this program; if not, write to the Free Software | |
| 23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
| 24 */ | |
| 25 #include "internal.h" | |
| 26 | |
| 27 #include "debug.h" | |
| 28 #include "sslconn.h" | |
| 29 | |
| 30 static gboolean _ssl_initialized = FALSE; | |
| 31 static PurpleSslOps *_ssl_ops = NULL; | |
| 32 | |
| 33 static gboolean | |
| 34 ssl_init(void) | |
| 35 { | |
| 36 PurplePlugin *plugin; | |
| 37 PurpleSslOps *ops; | |
| 38 | |
| 39 if (_ssl_initialized) | |
| 40 return FALSE; | |
| 41 | |
| 42 plugin = purple_plugins_find_with_id("core-ssl"); | |
| 43 | |
| 44 if (plugin != NULL && !purple_plugin_is_loaded(plugin)) | |
| 45 purple_plugin_load(plugin); | |
| 46 | |
| 47 ops = purple_ssl_get_ops(); | |
| 48 if ((ops == NULL) || (ops->init == NULL) || (ops->uninit == NULL) || | |
| 49 (ops->connectfunc == NULL) || (ops->close == NULL) || | |
| 50 (ops->read == NULL) || (ops->write == NULL)) | |
| 51 { | |
| 52 return FALSE; | |
| 53 } | |
| 54 | |
| 55 return ops->init(); | |
| 56 } | |
| 57 | |
| 58 gboolean | |
| 59 purple_ssl_is_supported(void) | |
| 60 { | |
| 61 #ifdef HAVE_SSL | |
| 62 ssl_init(); | |
| 63 return (purple_ssl_get_ops() != NULL); | |
| 64 #else | |
| 65 return FALSE; | |
| 66 #endif | |
| 67 } | |
| 68 | |
| 69 static void | |
| 70 purple_ssl_connect_cb(gpointer data, gint source, const gchar *error_message) | |
| 71 { | |
| 72 PurpleSslConnection *gsc; | |
| 73 PurpleSslOps *ops; | |
| 74 | |
| 75 gsc = data; | |
| 76 gsc->connect_data = NULL; | |
| 77 | |
| 78 if (source < 0) | |
| 79 { | |
| 80 if (gsc->error_cb != NULL) | |
| 81 gsc->error_cb(gsc, PURPLE_SSL_CONNECT_FAILED, gsc->connect_cb_data); | |
| 82 | |
| 83 purple_ssl_close(gsc); | |
| 84 return; | |
| 85 } | |
| 86 | |
| 87 gsc->fd = source; | |
| 88 | |
| 89 ops = purple_ssl_get_ops(); | |
| 90 ops->connectfunc(gsc); | |
| 91 } | |
| 92 | |
| 93 PurpleSslConnection * | |
| 94 purple_ssl_connect(PurpleAccount *account, const char *host, int port, | |
| 95 PurpleSslInputFunction func, PurpleSslErrorFunction error_func, | |
| 96 void *data) | |
| 97 { | |
| 98 PurpleSslConnection *gsc; | |
| 99 | |
| 100 g_return_val_if_fail(host != NULL, NULL); | |
| 101 g_return_val_if_fail(port != 0 && port != -1, NULL); | |
| 102 g_return_val_if_fail(func != NULL, NULL); | |
| 103 g_return_val_if_fail(purple_ssl_is_supported(), NULL); | |
| 104 | |
| 105 if (!_ssl_initialized) | |
| 106 { | |
| 107 if (!ssl_init()) | |
| 108 return NULL; | |
| 109 } | |
| 110 | |
| 111 gsc = g_new0(PurpleSslConnection, 1); | |
| 112 | |
| 113 gsc->fd = -1; | |
| 114 gsc->host = g_strdup(host); | |
| 115 gsc->port = port; | |
| 116 gsc->connect_cb_data = data; | |
| 117 gsc->connect_cb = func; | |
| 118 gsc->error_cb = error_func; | |
| 119 | |
| 120 gsc->connect_data = purple_proxy_connect(NULL, account, host, port, purple_ssl_connect_cb, gsc); | |
| 121 | |
| 122 if (gsc->connect_data == NULL) | |
| 123 { | |
| 124 g_free(gsc->host); | |
| 125 g_free(gsc); | |
| 126 | |
| 127 return NULL; | |
| 128 } | |
| 129 | |
| 130 return (PurpleSslConnection *)gsc; | |
| 131 } | |
| 132 | |
| 133 static void | |
| 134 recv_cb(gpointer data, gint source, PurpleInputCondition cond) | |
| 135 { | |
| 136 PurpleSslConnection *gsc = data; | |
| 137 | |
| 138 gsc->recv_cb(gsc->recv_cb_data, gsc, cond); | |
| 139 } | |
| 140 | |
| 141 void | |
| 142 purple_ssl_input_add(PurpleSslConnection *gsc, PurpleSslInputFunction func, | |
| 143 void *data) | |
| 144 { | |
| 145 g_return_if_fail(func != NULL); | |
| 146 g_return_if_fail(purple_ssl_is_supported()); | |
| 147 | |
| 148 gsc->recv_cb_data = data; | |
| 149 gsc->recv_cb = func; | |
| 150 | |
| 151 gsc->inpa = purple_input_add(gsc->fd, PURPLE_INPUT_READ, recv_cb, gsc); | |
| 152 } | |
| 153 | |
| 154 PurpleSslConnection * | |
| 155 purple_ssl_connect_fd(PurpleAccount *account, int fd, | |
| 156 PurpleSslInputFunction func, | |
| 157 PurpleSslErrorFunction error_func, void *data) | |
| 158 { | |
| 159 PurpleSslConnection *gsc; | |
| 160 PurpleSslOps *ops; | |
| 161 | |
| 162 g_return_val_if_fail(fd != -1, NULL); | |
| 163 g_return_val_if_fail(func != NULL, NULL); | |
| 164 g_return_val_if_fail(purple_ssl_is_supported(), NULL); | |
| 165 | |
| 166 if (!_ssl_initialized) | |
| 167 { | |
| 168 if (!ssl_init()) | |
| 169 return NULL; | |
| 170 } | |
| 171 | |
| 172 gsc = g_new0(PurpleSslConnection, 1); | |
| 173 | |
| 174 gsc->connect_cb_data = data; | |
| 175 gsc->connect_cb = func; | |
| 176 gsc->error_cb = error_func; | |
| 177 gsc->fd = fd; | |
| 178 | |
| 179 ops = purple_ssl_get_ops(); | |
| 180 ops->connectfunc(gsc); | |
| 181 | |
| 182 return (PurpleSslConnection *)gsc; | |
| 183 } | |
| 184 | |
| 185 void | |
| 186 purple_ssl_close(PurpleSslConnection *gsc) | |
| 187 { | |
| 188 PurpleSslOps *ops; | |
| 189 | |
| 190 g_return_if_fail(gsc != NULL); | |
| 191 | |
| 192 ops = purple_ssl_get_ops(); | |
| 193 (ops->close)(gsc); | |
| 194 | |
| 195 if (gsc->connect_data != NULL) | |
| 196 purple_proxy_connect_cancel(gsc->connect_data); | |
| 197 | |
| 198 if (gsc->inpa > 0) | |
| 199 purple_input_remove(gsc->inpa); | |
| 200 | |
| 201 if (gsc->fd >= 0) | |
| 202 close(gsc->fd); | |
| 203 | |
| 204 g_free(gsc->host); | |
| 205 g_free(gsc); | |
| 206 } | |
| 207 | |
| 208 size_t | |
| 209 purple_ssl_read(PurpleSslConnection *gsc, void *data, size_t len) | |
| 210 { | |
| 211 PurpleSslOps *ops; | |
| 212 | |
| 213 g_return_val_if_fail(gsc != NULL, 0); | |
| 214 g_return_val_if_fail(data != NULL, 0); | |
| 215 g_return_val_if_fail(len > 0, 0); | |
| 216 | |
| 217 ops = purple_ssl_get_ops(); | |
| 218 return (ops->read)(gsc, data, len); | |
| 219 } | |
| 220 | |
| 221 size_t | |
| 222 purple_ssl_write(PurpleSslConnection *gsc, const void *data, size_t len) | |
| 223 { | |
| 224 PurpleSslOps *ops; | |
| 225 | |
| 226 g_return_val_if_fail(gsc != NULL, 0); | |
| 227 g_return_val_if_fail(data != NULL, 0); | |
| 228 g_return_val_if_fail(len > 0, 0); | |
| 229 | |
| 230 ops = purple_ssl_get_ops(); | |
| 231 return (ops->write)(gsc, data, len); | |
| 232 } | |
| 233 | |
| 234 void | |
| 235 purple_ssl_set_ops(PurpleSslOps *ops) | |
| 236 { | |
| 237 _ssl_ops = ops; | |
| 238 } | |
| 239 | |
| 240 PurpleSslOps * | |
| 241 purple_ssl_get_ops(void) | |
| 242 { | |
| 243 return _ssl_ops; | |
| 244 } | |
| 245 | |
| 246 void | |
| 247 purple_ssl_init(void) | |
| 248 { | |
| 249 } | |
| 250 | |
| 251 void | |
| 252 purple_ssl_uninit(void) | |
| 253 { | |
| 254 PurpleSslOps *ops; | |
| 255 | |
| 256 if (!_ssl_initialized) | |
| 257 return; | |
| 258 | |
| 259 ops = purple_ssl_get_ops(); | |
| 260 ops->uninit(); | |
| 261 | |
| 262 _ssl_initialized = FALSE; | |
| 263 } |
