home *** CD-ROM | disk | FTP | other *** search
- /**
- * @file sslconn.h SSL API
- * @ingroup core
- *
- * purple
- *
- * Purple is the legal property of its developers, whose names are too numerous
- * to list here. Please refer to the COPYRIGHT file distributed with this
- * source distribution.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
- #ifndef _PURPLE_SSLCONN_H_
- #define _PURPLE_SSLCONN_H_
-
- #include "proxy.h"
-
- #define PURPLE_SSL_DEFAULT_PORT 443
-
- typedef enum
- {
- PURPLE_SSL_HANDSHAKE_FAILED = 1,
- PURPLE_SSL_CONNECT_FAILED = 2
- } PurpleSslErrorType;
-
- typedef struct _PurpleSslConnection PurpleSslConnection;
-
- typedef void (*PurpleSslInputFunction)(gpointer, PurpleSslConnection *,
- PurpleInputCondition);
- typedef void (*PurpleSslErrorFunction)(PurpleSslConnection *, PurpleSslErrorType,
- gpointer);
-
- struct _PurpleSslConnection
- {
- char *host;
- int port;
- void *connect_cb_data;
- PurpleSslInputFunction connect_cb;
- PurpleSslErrorFunction error_cb;
- void *recv_cb_data;
- PurpleSslInputFunction recv_cb;
-
- int fd;
- int inpa;
- PurpleProxyConnectData *connect_data;
-
- void *private_data;
- };
-
- /**
- * SSL implementation operations structure.
- *
- * Every SSL implementation must provide all of these and register it.
- */
- typedef struct
- {
- gboolean (*init)(void);
- void (*uninit)(void);
- void (*connectfunc)(PurpleSslConnection *gsc);
- void (*close)(PurpleSslConnection *gsc);
- size_t (*read)(PurpleSslConnection *gsc, void *data, size_t len);
- size_t (*write)(PurpleSslConnection *gsc, const void *data, size_t len);
-
- void (*_purple_reserved1)(void);
- void (*_purple_reserved2)(void);
- void (*_purple_reserved3)(void);
- void (*_purple_reserved4)(void);
- } PurpleSslOps;
-
- #ifdef __cplusplus
- extern "C" {
- #endif
-
- /**************************************************************************/
- /** @name SSL API */
- /**************************************************************************/
- /*@{*/
-
- /**
- * Returns whether or not SSL is currently supported.
- *
- * @return TRUE if SSL is supported, or FALSE otherwise.
- */
- gboolean purple_ssl_is_supported(void);
-
- /**
- * Makes a SSL connection to the specified host and port. The caller
- * should keep track of the returned value and use it to cancel the
- * connection, if needed.
- *
- * @param account The account making the connection.
- * @param host The destination host.
- * @param port The destination port.
- * @param func The SSL input handler function.
- * @param error_func The SSL error handler function. This function
- * should NOT call purple_ssl_close(). In the event
- * of an error the PurpleSslConnection will be
- * destroyed for you.
- * @param data User-defined data.
- *
- * @return The SSL connection handle.
- */
- PurpleSslConnection *purple_ssl_connect(PurpleAccount *account, const char *host,
- int port, PurpleSslInputFunction func,
- PurpleSslErrorFunction error_func,
- void *data);
-
- /**
- * Makes a SSL connection using an already open file descriptor.
- *
- * @param account The account making the connection.
- * @param fd The file descriptor.
- * @param func The SSL input handler function.
- * @param error_func The SSL error handler function.
- * @param data User-defined data.
- *
- * @return The SSL connection handle.
- */
- PurpleSslConnection *purple_ssl_connect_fd(PurpleAccount *account, int fd,
- PurpleSslInputFunction func,
- PurpleSslErrorFunction error_func,
- void *data);
-
- /**
- * Adds an input watcher for the specified SSL connection.
- *
- * @param gsc The SSL connection handle.
- * @param func The callback function.
- * @param data User-defined data.
- */
- void purple_ssl_input_add(PurpleSslConnection *gsc, PurpleSslInputFunction func,
- void *data);
-
- /**
- * Closes a SSL connection.
- *
- * @param gsc The SSL connection to close.
- */
- void purple_ssl_close(PurpleSslConnection *gsc);
-
- /**
- * Reads data from an SSL connection.
- *
- * @param gsc The SSL connection handle.
- * @param buffer The destination buffer.
- * @param len The maximum number of bytes to read.
- *
- * @return The number of bytes read.
- */
- size_t purple_ssl_read(PurpleSslConnection *gsc, void *buffer, size_t len);
-
- /**
- * Writes data to an SSL connection.
- *
- * @param gsc The SSL connection handle.
- * @param buffer The buffer to write.
- * @param len The length of the data to write.
- *
- * @return The number of bytes written.
- */
- size_t purple_ssl_write(PurpleSslConnection *gsc, const void *buffer, size_t len);
-
- /*@}*/
-
- /**************************************************************************/
- /** @name Subsystem API */
- /**************************************************************************/
- /*@{*/
-
- /**
- * Sets the current SSL operations structure.
- *
- * @param ops The SSL operations structure to assign.
- */
- void purple_ssl_set_ops(PurpleSslOps *ops);
-
- /**
- * Returns the current SSL operations structure.
- *
- * @return The SSL operations structure.
- */
- PurpleSslOps *purple_ssl_get_ops(void);
-
- /**
- * Initializes the SSL subsystem.
- */
- void purple_ssl_init(void);
-
- /**
- * Uninitializes the SSL subsystem.
- */
- void purple_ssl_uninit(void);
-
- /*@}*/
-
- #ifdef __cplusplus
- }
- #endif
-
- #endif /* _PURPLE_SSLCONN_H_ */
-