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authorWilmer van der Gaast <wilmer@gaast.net>2010-05-22 02:05:58 +0100
committerWilmer van der Gaast <wilmer@gaast.net>2010-05-22 02:05:58 +0100
commitdca8effbf732557e28a6a03d2fcf785d69a5a1bd (patch)
tree5eff3afcad110c909e48f417fa628828d5d986e9 /lib/ssl_openssl.c
parente77c2647c3f4d8d6518239f070f3989444003a08 (diff)
Return ui_info so jabber:iq:version responses will not say just libpurple.
Diffstat (limited to 'lib/ssl_openssl.c')
0 files changed, 0 insertions, 0 deletions
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-11 06:00:18 +0000
id='n109' href='#n109'>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 
/***************************************************************************\
*                                                                           *
*  BitlBee - An IRC to IM gateway                                           *
*  Utility functions for file transfer                                      *
*                                                                           *
*  Copyright 2008 Uli Meis <a.sporto+bee@gmail.com>                         *
*                                                                           *
*  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.,  *
*  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.              *
*                                                                           *
\***************************************************************************/

#define BITLBEE_CORE
#include "bitlbee.h"
#include <poll.h>
#include <netinet/tcp.h>
#include "lib/ftutil.h"

#define ASSERTSOCKOP(op, msg) \
	if( (op) == -1 ) {\
		g_snprintf( errmsg, sizeof( errmsg ), msg ": %s", strerror( errno ) ); \
		return -1; }

/*
 * Creates a listening socket and returns it in saddr_ptr.
 */
int ft_listen( struct sockaddr_storage *saddr_ptr, char *host, char *port, int copy_fd, int for_bitlbee_client, char **errptr )
{
	int fd, gret, saddrlen;
	struct addrinfo hints, *rp;
	socklen_t ssize = sizeof( struct sockaddr_storage );
	struct sockaddr_storage saddrs, *saddr = &saddrs;
	static char errmsg[1024];
	char *ftlisten = global.conf->ft_listen;

	if( errptr )
		*errptr = errmsg;

	strcpy( port, "0" );

	/* Format is <IP-A>[:<Port-A>];<IP-B>[:<Port-B>] where
	 * A is for connections with the bitlbee client (DCC)
	 * and B is for connections with IM peers.
	 */
	if( ftlisten )
	{
		char *scolon = strchr( ftlisten, ';' );
		char *colon;

		if( scolon )
		{
			if( for_bitlbee_client )
			{
				*scolon = '\0';
				strncpy( host, ftlisten, HOST_NAME_MAX );
				*scolon = ';';
			}
			else
			{
				strncpy( host, scolon + 1, HOST_NAME_MAX );
			}
		}
		else
		{
			strncpy( host, ftlisten, HOST_NAME_MAX );
		}

		if( ( colon = strchr( host, ':' ) ) )
		{
			*colon = '\0';
			strncpy( port, colon + 1, 5 );
		}
	}
	else if( copy_fd >= 0 && getsockname( copy_fd, (struct sockaddr*) &saddrs, &ssize ) == 0 &&
	         ( saddrs.ss_family == AF_INET || saddrs.ss_family == AF_INET6 ) &&
	         getnameinfo( (struct sockaddr*) &saddrs, ssize, host, HOST_NAME_MAX,
	                      NULL, 0, NI_NUMERICHOST ) == 0 )
	{
		/* We just took our local address on copy_fd, which is likely to be a
		   sensible address from which we can do a file transfer now - the
		   most sensible we can get easily. */
	}
	else
	{
		ASSERTSOCKOP( gethostname( host, HOST_NAME_MAX + 1 ), "gethostname()" );
	}

	memset( &hints, 0, sizeof( struct addrinfo ) );
	hints.ai_socktype = SOCK_STREAM;
	hints.ai_flags = AI_NUMERICSERV;

	if ( ( gret = getaddrinfo( host, port, &hints, &rp ) ) != 0 )
	{
		sprintf( errmsg, "getaddrinfo() failed: %s", gai_strerror( gret ) );
		return -1;
	}

	saddrlen = rp->ai_addrlen;

	memcpy( saddr, rp->ai_addr, saddrlen );

	freeaddrinfo( rp );

	ASSERTSOCKOP( fd = socket( saddr->ss_family, SOCK_STREAM, 0 ), "Opening socket" );
	ASSERTSOCKOP( bind( fd, ( struct sockaddr *)saddr, saddrlen ), "Binding socket" );
	ASSERTSOCKOP( listen( fd, 1 ), "Making socket listen" );

	if ( !inet_ntop( saddr->ss_family, saddr->ss_family == AF_INET ?
			( void * )&( ( struct sockaddr_in * ) saddr )->sin_addr.s_addr :
			( void * )&( ( struct sockaddr_in6 * ) saddr )->sin6_addr.s6_addr,
			host, HOST_NAME_MAX ) )
	{
		strcpy( errmsg, "inet_ntop failed on listening socket" );
		return -1;
	}

	ssize = sizeof( struct sockaddr_storage );
	ASSERTSOCKOP( getsockname( fd, ( struct sockaddr *)saddr, &ssize ), "Getting socket name" );

	if( saddr->ss_family == AF_INET )
		g_snprintf( port, 6, "%d", ntohs( ( (struct sockaddr_in *) saddr )->sin_port ) );
	else
		g_snprintf( port, 6, "%d", ntohs( ( (struct sockaddr_in6 *) saddr )->sin6_port ) );

	if( saddr_ptr )
		memcpy( saddr_ptr, saddr, saddrlen );

	/* I hate static-length strings.. */
	host[HOST_NAME_MAX] = '\0';
	port[5] = '\0';
	
	return fd;
}