HGKeeper

/**

* @file sslconn.c SSL API

* @ingroup core

* gaim

* Gaim 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

#include "internal.h"

#include "debug.h"

#include "sslconn.h"

static gboolean _ssl_initialized = FALSE;

static GaimSslOps *_ssl_ops = NULL;

static gboolean

ssl_init(void)

{

GaimPlugin *plugin;

GaimSslOps *ops;

if (_ssl_initialized)

return FALSE;

plugin = gaim_plugins_find_with_id("core-ssl");

if (plugin != NULL && !gaim_plugin_is_loaded(plugin))

gaim_plugin_load(plugin);

ops = gaim_ssl_get_ops();

if ((ops == NULL) || (ops->init == NULL) || (ops->uninit == NULL) ||

(ops->connectfunc == NULL) || (ops->close == NULL) ||

(ops->read == NULL) || (ops->write == NULL))

{

return FALSE;

}

return ops->init();

}

gboolean

gaim_ssl_is_supported(void)

{

#ifdef HAVE_SSL

ssl_init();

return (gaim_ssl_get_ops() != NULL);

#else

return FALSE;

#endif

}

static void

gaim_ssl_connect_cb(gpointer data, gint source, const gchar *error_message)

{

GaimSslConnection *gsc;

GaimSslOps *ops;

gsc = data;

gsc->connect_data = NULL;

if (source < 0)

{

if (gsc->error_cb != NULL)

gsc->error_cb(gsc, GAIM_SSL_CONNECT_FAILED, gsc->connect_cb_data);

gaim_ssl_close(gsc);

return;

}

gsc->fd = source;

ops = gaim_ssl_get_ops();

ops->connectfunc(gsc);

}

GaimSslConnection *

gaim_ssl_connect(GaimAccount *account, const char *host, int port,

GaimSslInputFunction func, GaimSslErrorFunction error_func,

void *data)

{

GaimSslConnection *gsc;

g_return_val_if_fail(host != NULL, NULL);

g_return_val_if_fail(port != 0 && port != -1, NULL);

g_return_val_if_fail(func != NULL, NULL);

g_return_val_if_fail(gaim_ssl_is_supported(), NULL);

if (!_ssl_initialized)

{

if (!ssl_init())

return NULL;

}

gsc = g_new0(GaimSslConnection, 1);

gsc->fd = -1;

gsc->host = g_strdup(host);

gsc->port = port;

gsc->connect_cb_data = data;

gsc->connect_cb = func;

gsc->error_cb = error_func;

gsc->connect_data = gaim_proxy_connect(NULL, account, host, port, gaim_ssl_connect_cb, gsc);

if (gsc->connect_data == NULL)

{

g_free(gsc->host);

g_free(gsc);

return NULL;

}

return (GaimSslConnection *)gsc;

}

static void

recv_cb(gpointer data, gint source, GaimInputCondition cond)

{

GaimSslConnection *gsc = data;

gsc->recv_cb(gsc->recv_cb_data, gsc, cond);

}

void

gaim_ssl_input_add(GaimSslConnection *gsc, GaimSslInputFunction func,

void *data)

{

g_return_if_fail(func != NULL);

g_return_if_fail(gaim_ssl_is_supported());

gsc->recv_cb_data = data;

gsc->recv_cb = func;

gsc->inpa = gaim_input_add(gsc->fd, GAIM_INPUT_READ, recv_cb, gsc);

}

GaimSslConnection *

gaim_ssl_connect_fd(GaimAccount *account, int fd,

GaimSslInputFunction func,

GaimSslErrorFunction error_func, void *data)

{

GaimSslConnection *gsc;

GaimSslOps *ops;

g_return_val_if_fail(fd != -1, NULL);

g_return_val_if_fail(func != NULL, NULL);

g_return_val_if_fail(gaim_ssl_is_supported(), NULL);

if (!_ssl_initialized)

{

if (!ssl_init())

return NULL;

}

gsc = g_new0(GaimSslConnection, 1);

gsc->connect_cb_data = data;

gsc->connect_cb = func;

gsc->error_cb = error_func;

gsc->fd = fd;

ops = gaim_ssl_get_ops();

ops->connectfunc(gsc);

return (GaimSslConnection *)gsc;

}

void

gaim_ssl_close(GaimSslConnection *gsc)

{

GaimSslOps *ops;

g_return_if_fail(gsc != NULL);

ops = gaim_ssl_get_ops();

(ops->close)(gsc);

if (gsc->connect_data != NULL)

gaim_proxy_connect_cancel(gsc->connect_data);

if (gsc->inpa > 0)

gaim_input_remove(gsc->inpa);

if (gsc->fd >= 0)

close(gsc->fd);

g_free(gsc->host);

g_free(gsc);

}

size_t

gaim_ssl_read(GaimSslConnection *gsc, void *data, size_t len)

{

GaimSslOps *ops;

g_return_val_if_fail(gsc != NULL, 0);

g_return_val_if_fail(data != NULL, 0);

g_return_val_if_fail(len > 0, 0);

ops = gaim_ssl_get_ops();

return (ops->read)(gsc, data, len);

}

size_t

gaim_ssl_write(GaimSslConnection *gsc, const void *data, size_t len)

{

GaimSslOps *ops;

g_return_val_if_fail(gsc != NULL, 0);

g_return_val_if_fail(data != NULL, 0);

g_return_val_if_fail(len > 0, 0);

ops = gaim_ssl_get_ops();

return (ops->write)(gsc, data, len);

}

void

gaim_ssl_set_ops(GaimSslOps *ops)

{

_ssl_ops = ops;

}

GaimSslOps *

gaim_ssl_get_ops(void)

{

return _ssl_ops;

}

void

gaim_ssl_init(void)

{

}

void

gaim_ssl_uninit(void)

{

GaimSslOps *ops;

if (!_ssl_initialized)

return;

ops = gaim_ssl_get_ops();

ops->uninit();

_ssl_initialized = FALSE;

}

pidgin/pidgin