xenocara/app/xfs/os/xfstrans.c
2012-03-04 18:36:21 +00:00

103 lines
3.1 KiB
C

/*
* $Id: xfstrans.c,v 1.4 2012/03/04 18:36:21 matthieu Exp $
*
* Copyright © 2003 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Keith Packard not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include <config.h>
#define FONT_t 1
#define TRANS_REOPEN 1
#define TRANS_SERVER 1
#include <X11/Xtrans/transport.c>
#ifdef XFS_INETD
/* xfs special handling for listen socket passed from inetd */
#include "misc.h"
OldListenRec *
TRANS(GetInetdListenInfo) (int fd)
{
char *port = NULL;
XtransConnInfo inetdCI;
OldListenRec *old_listen;
int portnum;
/* Create a XtransConnInfo struct for this connection */
inetdCI = TRANS(ReopenCOTSServer)(TRANS_SOCKET_TCP_INDEX, fd, port);
/* Fill in correct address/portnum */
TRANS(SocketINETGetAddr)(inetdCI);
#ifdef AF_INET6
if ( ((struct sockaddr *)(inetdCI->addr))->sa_family == AF_INET6 )
portnum = ntohs(((struct sockaddr_in6 *)(inetdCI->addr))->sin6_port);
else
#endif
portnum = ntohs(((struct sockaddr_in *)(inetdCI->addr))->sin_port);
inetdCI->port = malloc(6); /* Base 10 integer <= 65535 + trailing NUL */
snprintf(inetdCI->port, 6, "%d", portnum);
/* Do the socket setup that xtrans normally takes care of in
* TRANS(SocketOpen) && TRANS(SocketCreateListener)
*/
{
/*
* turn off TCP coalescence for INET sockets
*/
int tmp = 1;
setsockopt (fd, IPPROTO_TCP, TCP_NODELAY,
(char *) &tmp, sizeof (int));
}
#ifdef SO_DONTLINGER
setsockopt (fd, SOL_SOCKET, SO_DONTLINGER, NULL, 0);
#else
# ifdef SO_LINGER
{
static int linger[2] = { 0, 0 };
setsockopt (fd, SOL_SOCKET, SO_LINGER,
(char *) linger, sizeof (linger));
}
# endif
#endif
if (listen (fd, BACKLOG) < 0)
{
FatalError("listen() failed on inetd socket: %s\n",
strerror(errno));
}
/* Pass the inetd socket back through the connection setup code
* the same way as a cloned listening port
*/
old_listen = malloc (sizeof (OldListenRec));
if (old_listen != NULL) {
TRANS(GetReopenInfo)(inetdCI, &(old_listen->trans_id),
&(old_listen->fd), &port);
old_listen->portnum = portnum;
}
return old_listen;
}
#endif /* XFS_INETD */