175 lines
5.4 KiB
C
175 lines
5.4 KiB
C
/*
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* CDE - Common Desktop Environment
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*
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* Copyright (c) 1993-2012, The Open Group. All rights reserved.
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*
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* These libraries and programs are free software; you can
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* redistribute them and/or modify them under the terms of the GNU
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* Lesser General Public License as published by the Free Software
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* Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* These libraries and programs are distributed in the hope that
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* they will be useful, but WITHOUT ANY WARRANTY; without even the
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* implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU Lesser General Public License for more
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* details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with these libraries and programs; if not, write
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* to the Free Software Foundation, Inc., 51 Franklin Street, Fifth
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* Floor, Boston, MA 02110-1301 USA
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*/
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/* $TOG: socket.c /main/9 1997/12/23 12:25:32 bill $ */
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/* (c) Copyright 1997 The Open Group */
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/* *
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* (c) Copyright 1993, 1994 Hewlett-Packard Company *
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* (c) Copyright 1993, 1994 International Business Machines Corp. *
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* (c) Copyright 1993, 1994 Sun Microsystems, Inc. *
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* (c) Copyright 1993, 1994 Novell, Inc. *
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*/
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/*
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* @DEC_COPYRIGHT@
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*/
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/*
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* HISTORY
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* $Log$
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* Revision 1.1.2.3 1995/06/06 20:24:26 Chris_Beute
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* Code snapshot merge from March 15 and SIA changes
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* [1995/05/31 20:15:01 Chris_Beute]
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*
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* Revision 1.1.2.2 1995/04/21 13:05:38 Peter_Derr
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* dtlogin auth key fixes from deltacde
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* [1995/04/12 19:21:26 Peter_Derr]
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*
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* R6 xdm version used to pick up XDMCP improvements.
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* [1995/04/12 18:05:54 Peter_Derr]
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*
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* $EndLog$
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*/
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/*
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Copyright (c) 1988 X Consortium
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Permission is hereby granted, free of charge, to any person obtaining
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a copy of this software and associated documentation files (the
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"Software"), to deal in the Software without restriction, including
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without limitation the rights to use, copy, modify, merge, publish,
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distribute, sublicense, and/or sell copies of the Software, and to
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permit persons to whom the Software is furnished to do so, subject to
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the following conditions:
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The above copyright notice and this permission notice shall be included
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in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR
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OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of the X Consortium shall
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not be used in advertising or otherwise to promote the sale, use or
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other dealings in this Software without prior written authorization
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from the X Consortium.
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*/
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/*
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* xdm - display manager daemon
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* Author: Keith Packard, MIT X Consortium
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*
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* socket.c - Support for BSD sockets
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*/
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#include "dm.h"
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#include "vgmsg.h"
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#include <errno.h>
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <sys/un.h>
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#include <netdb.h>
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#ifdef X_NOT_STDC_ENV
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extern int errno;
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#endif
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extern int xdmcpFd;
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extern int chooserFd;
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extern FD_TYPE WellKnownSocketsMask;
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extern int WellKnownSocketsMax;
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CreateWellKnownSockets (void)
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{
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struct sockaddr_in sock_addr;
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char *name, *localHostname();
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if (request_port == 0)
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return 0;
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Debug ("creating socket %d\n", request_port);
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xdmcpFd = socket (AF_INET, SOCK_DGRAM, 0);
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if (xdmcpFd == -1) {
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LogError (ReadCatalog(MC_LOG_SET,MC_LOG_FAIL_SOCK,MC_DEF_LOG_FAIL_SOCK),
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request_port);
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return 0;
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}
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name = localHostname ();
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registerHostname (name, strlen (name));
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RegisterCloseOnFork (xdmcpFd);
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/* zero out the entire structure; this avoids 4.4 incompatibilities */
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bzero ((char *) &sock_addr, sizeof (sock_addr));
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#ifdef BSD44SOCKETS
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sock_addr.sin_len = sizeof(sock_addr);
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#endif
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sock_addr.sin_family = AF_INET;
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sock_addr.sin_port = htons ((short) request_port);
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sock_addr.sin_addr.s_addr = htonl (INADDR_ANY);
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if (bind (xdmcpFd, (struct sockaddr *)&sock_addr, sizeof (sock_addr)) == -1)
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{
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LogError (ReadCatalog(MC_LOG_SET,MC_LOG_ERR_BIND,MC_DEF_LOG_ERR_BIND),
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request_port, errno);
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close (xdmcpFd);
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xdmcpFd = -1;
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return 0;
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}
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WellKnownSocketsMax = xdmcpFd;
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FD_SET (xdmcpFd, &WellKnownSocketsMask);
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chooserFd = socket (AF_INET, SOCK_STREAM, 0);
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Debug ("Created chooser socket %d\n", chooserFd);
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if (chooserFd == -1)
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{
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LogError ((unsigned char *)"chooser socket creation failed, errno %d\n", errno);
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return 0;
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}
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listen (chooserFd, 5);
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if (chooserFd > WellKnownSocketsMax)
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WellKnownSocketsMax = chooserFd;
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FD_SET (chooserFd, &WellKnownSocketsMask);
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}
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GetChooserAddr (char *addr, int *lenp)
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{
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struct sockaddr_in in_addr;
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int len;
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len = sizeof in_addr;
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#if defined (_AIX) && (OSMAJORVERSION==4) && (OSMINORVERSION==2)
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if (getsockname (chooserFd, (struct sockaddr *)&in_addr, (size_t *)&len) < 0)
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#else
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if (getsockname (chooserFd, (struct sockaddr *)&in_addr, &len) < 0)
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#endif
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return -1;
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Debug ("Chooser socket port: %d\n", ntohs(in_addr.sin_port));
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memmove( addr, (char *) &in_addr, len);
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*lenp = len;
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return 0;
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}
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