aboutsummaryrefslogtreecommitdiffstats
path: root/lib/events_glib.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/events_glib.c')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.3 (git 2.25.1) at 2025-11-16 01:45:15 +0000
4' href='#n54'>54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 
  /********************************************************************\
  * BitlBee -- An IRC to other IM-networks gateway                     *
  *                                                                    *
  * Copyright 2002-2004 Wilmer van der Gaast and others                *
  \********************************************************************/

/* SSL module - GnuTLS version                                          */

/*
  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 with
  the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
  if not, write to the Free Software Foundation, Inc., 59 Temple Place,
  Suite 330, Boston, MA  02111-1307  USA
*/

#include <openssl/crypto.h>
#include <openssl/rand.h>
#include <openssl/x509.h>
#include <openssl/pem.h>
#include <openssl/ssl.h>
#include <openssl/err.h>

#include "proxy.h"
#include "ssl_client.h"
#include "sock.h"

static gboolean initialized = FALSE;

struct scd
{
	SslInputFunction func;
	gpointer data;
	int fd;
	gboolean established;
	
	SSL *ssl;
	SSL_CTX *ssl_ctx;
};

static void ssl_connected( gpointer data, gint source, GaimInputCondition cond );



void *ssl_connect( char *host, int port, SslInputFunction func, gpointer data )
{
	struct scd *conn = g_new0( struct scd, 1 );
	SSL_METHOD *meth;
	
	conn->fd = proxy_connect( host, port, ssl_connected, conn );
	conn->func = func;
	conn->data = data;
	
	if( conn->fd < 0 )
	{
		g_free( conn );
		return( NULL );
	}
	
	if( !initialized )
	{
		initialized = TRUE;
		SSLeay_add_ssl_algorithms();
	}
	
	meth = TLSv1_client_method();
	conn->ssl_ctx = SSL_CTX_new( meth );
	if( conn->ssl_ctx == NULL )
	{
		conn->fd = -1;
		return( NULL );
	}
	
	conn->ssl = SSL_new( conn->ssl_ctx );
	if( conn->ssl == NULL )
	{
		conn->fd = -1;
		return( NULL );
	}
	
	return( conn );
}

static void ssl_connected( gpointer data, gint source, GaimInputCondition cond )
{
	struct scd *conn = data;
	
	if( source == -1 )
		goto ssl_connected_failure;
	
	SSL_set_fd( conn->ssl, conn->fd );
	
	if( SSL_connect( conn->ssl ) < 0 )
		goto ssl_connected_failure;
	
	conn->established = TRUE;
	conn->func( conn->data, conn, cond );
	return;
	
ssl_connected_failure:
	conn->func( conn->data, NULL, cond );
	
	if( conn->ssl )
	{
		SSL_shutdown( conn->ssl );
		SSL_free( conn->ssl );
	}
	if( conn->ssl_ctx )
	{
		SSL_CTX_free( conn->ssl_ctx );
	}
	if( source >= 0 ) closesocket( source );
	g_free( conn );
}

int ssl_read( void *conn, char *buf, int len )
{
	if( !((struct scd*)conn)->established )
		return( 0 );
	
	return( SSL_read( ((struct scd*)conn)->ssl, buf, len ) );
}

int ssl_write( void *conn, const char *buf, int len )
{
	if( !((struct scd*)conn)->established )
		return( 0 );
	
	return( SSL_write( ((struct scd*)conn)->ssl, buf, len ) );
}

void ssl_disconnect( void *conn_ )
{
	struct scd *conn = conn_;
	
	if( conn->established )
		SSL_shutdown( conn->ssl );
	
	closesocket( conn->fd );
	
	SSL_free( conn->ssl );
	SSL_CTX_free( conn->ssl_ctx );
	g_free( conn );
}

int ssl_getfd( void *conn )
{
	return( ((struct scd*)conn)->fd );
}