| 1 /** |
|
| 2 * @file sslconn.h SSL API |
|
| 3 * @ingroup core |
|
| 4 * |
|
| 5 * gaim |
|
| 6 * |
|
| 7 * Gaim 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 #ifndef _GAIM_SSLCONN_H_ |
|
| 26 #define _GAIM_SSLCONN_H_ |
|
| 27 |
|
| 28 #include "proxy.h" |
|
| 29 |
|
| 30 #define GAIM_SSL_DEFAULT_PORT 443 |
|
| 31 |
|
| 32 typedef enum |
|
| 33 { |
|
| 34 GAIM_SSL_HANDSHAKE_FAILED = 1, |
|
| 35 GAIM_SSL_CONNECT_FAILED = 2 |
|
| 36 } GaimSslErrorType; |
|
| 37 |
|
| 38 typedef struct _GaimSslConnection GaimSslConnection; |
|
| 39 |
|
| 40 typedef void (*GaimSslInputFunction)(gpointer, GaimSslConnection *, |
|
| 41 GaimInputCondition); |
|
| 42 typedef void (*GaimSslErrorFunction)(GaimSslConnection *, GaimSslErrorType, |
|
| 43 gpointer); |
|
| 44 |
|
| 45 struct _GaimSslConnection |
|
| 46 { |
|
| 47 char *host; |
|
| 48 int port; |
|
| 49 void *connect_cb_data; |
|
| 50 GaimSslInputFunction connect_cb; |
|
| 51 GaimSslErrorFunction error_cb; |
|
| 52 void *recv_cb_data; |
|
| 53 GaimSslInputFunction recv_cb; |
|
| 54 |
|
| 55 int fd; |
|
| 56 int inpa; |
|
| 57 |
|
| 58 void *private_data; |
|
| 59 }; |
|
| 60 |
|
| 61 /** |
|
| 62 * SSL implementation operations structure. |
|
| 63 * |
|
| 64 * Every SSL implementation must provide one of these and register it. |
|
| 65 */ |
|
| 66 typedef struct |
|
| 67 { |
|
| 68 gboolean (*init)(void); |
|
| 69 void (*uninit)(void); |
|
| 70 GaimInputFunction connect_cb; |
|
| 71 void (*close)(GaimSslConnection *gsc); |
|
| 72 size_t (*read)(GaimSslConnection *gsc, void *data, size_t len); |
|
| 73 size_t (*write)(GaimSslConnection *gsc, const void *data, size_t len); |
|
| 74 |
|
| 75 } GaimSslOps; |
|
| 76 |
|
| 77 #ifdef __cplusplus |
|
| 78 extern "C" { |
|
| 79 #endif |
|
| 80 |
|
| 81 /**************************************************************************/ |
|
| 82 /** @name SSL API */ |
|
| 83 /**************************************************************************/ |
|
| 84 /*@{*/ |
|
| 85 |
|
| 86 /** |
|
| 87 * Returns whether or not SSL is currently supported. |
|
| 88 * |
|
| 89 * @return TRUE if SSL is supported, or FALSE otherwise. |
|
| 90 */ |
|
| 91 gboolean gaim_ssl_is_supported(void); |
|
| 92 |
|
| 93 /** |
|
| 94 * Makes a SSL connection to the specified host and port. |
|
| 95 * |
|
| 96 * @param account The account making the connection. |
|
| 97 * @param host The destination host. |
|
| 98 * @param port The destination port. |
|
| 99 * @param func The SSL input handler function. |
|
| 100 * @param error_func The SSL error handler function. |
|
| 101 * @param data User-defined data. |
|
| 102 * |
|
| 103 * @return The SSL connection handle. |
|
| 104 */ |
|
| 105 GaimSslConnection *gaim_ssl_connect(GaimAccount *account, const char *host, |
|
| 106 int port, GaimSslInputFunction func, |
|
| 107 GaimSslErrorFunction error_func, |
|
| 108 void *data); |
|
| 109 |
|
| 110 /** |
|
| 111 * Makes a SSL connection using an already open file descriptor. |
|
| 112 * |
|
| 113 * @param account The account making the connection. |
|
| 114 * @param fd The file descriptor. |
|
| 115 * @param func The SSL input handler function. |
|
| 116 * @param error_func The SSL error handler function. |
|
| 117 * @param data User-defined data. |
|
| 118 * |
|
| 119 * @return The SSL connection handle. |
|
| 120 */ |
|
| 121 GaimSslConnection *gaim_ssl_connect_fd(GaimAccount *account, int fd, |
|
| 122 GaimSslInputFunction func, |
|
| 123 GaimSslErrorFunction error_func, |
|
| 124 void *data); |
|
| 125 |
|
| 126 /** |
|
| 127 * Adds an input watcher for the specified SSL connection. |
|
| 128 * |
|
| 129 * @param gsc The SSL connection handle. |
|
| 130 * @param func The callback function. |
|
| 131 * @param data User-defined data. |
|
| 132 */ |
|
| 133 void gaim_ssl_input_add(GaimSslConnection *gsc, GaimSslInputFunction func, |
|
| 134 void *data); |
|
| 135 |
|
| 136 /** |
|
| 137 * Closes a SSL connection. |
|
| 138 * |
|
| 139 * @param gsc The SSL connection to close. |
|
| 140 */ |
|
| 141 void gaim_ssl_close(GaimSslConnection *gsc); |
|
| 142 |
|
| 143 /** |
|
| 144 * Reads data from an SSL connection. |
|
| 145 * |
|
| 146 * @param gsc The SSL connection handle. |
|
| 147 * @param buffer The destination buffer. |
|
| 148 * @param len The maximum number of bytes to read. |
|
| 149 * |
|
| 150 * @return The number of bytes read. |
|
| 151 */ |
|
| 152 size_t gaim_ssl_read(GaimSslConnection *gsc, void *buffer, size_t len); |
|
| 153 |
|
| 154 /** |
|
| 155 * Writes data to an SSL connection. |
|
| 156 * |
|
| 157 * @param gsc The SSL connection handle. |
|
| 158 * @param buffer The buffer to write. |
|
| 159 * @param len The length of the data to write. |
|
| 160 * |
|
| 161 * @return The number of bytes written. |
|
| 162 */ |
|
| 163 size_t gaim_ssl_write(GaimSslConnection *gsc, const void *buffer, size_t len); |
|
| 164 |
|
| 165 /*@}*/ |
|
| 166 |
|
| 167 /**************************************************************************/ |
|
| 168 /** @name Subsystem API */ |
|
| 169 /**************************************************************************/ |
|
| 170 /*@{*/ |
|
| 171 |
|
| 172 /** |
|
| 173 * Sets the current SSL operations structure. |
|
| 174 * |
|
| 175 * @param ops The SSL operations structure to assign. |
|
| 176 */ |
|
| 177 void gaim_ssl_set_ops(GaimSslOps *ops); |
|
| 178 |
|
| 179 /** |
|
| 180 * Returns the current SSL operations structure. |
|
| 181 * |
|
| 182 * @return The SSL operations structure. |
|
| 183 */ |
|
| 184 GaimSslOps *gaim_ssl_get_ops(void); |
|
| 185 |
|
| 186 /** |
|
| 187 * Initializes the SSL subsystem. |
|
| 188 */ |
|
| 189 void gaim_ssl_init(void); |
|
| 190 |
|
| 191 /** |
|
| 192 * Uninitializes the SSL subsystem. |
|
| 193 */ |
|
| 194 void gaim_ssl_uninit(void); |
|
| 195 |
|
| 196 /*@}*/ |
|
| 197 |
|
| 198 #ifdef __cplusplus |
|
| 199 } |
|
| 200 #endif |
|
| 201 |
|
| 202 #endif /* _GAIM_SSLCONN_H_ */ |
|