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/* $XConsortium: listen.c,v 1.15 94/05/02 11:22:36 mor Exp $ */
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/******************************************************************************
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Copyright (c) 1993 X Consortium
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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Except as contained in this notice, the name of the X Consortium shall not be
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used in advertising or otherwise to promote the sale, use or other dealings
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in this Software without prior written authorization from the X Consortium.
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Author: Ralph Mor, X Consortium
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******************************************************************************/
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#include <KDE-ICE/ICElib.h>
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#include "KDE-ICE/ICElibint.h"
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#include "KDE-ICE/Xtrans.h"
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#include <stdio.h>
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#include <time.h>
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#include <string.h>
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Status
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IceListenForConnections (countRet, listenObjsRet, errorLength, errorStringRet)
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int *countRet;
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IceListenObj **listenObjsRet;
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int errorLength;
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char *errorStringRet;
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{
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struct _IceListenObj *listenObjs;
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char *networkId;
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int transCount, partial, i, j;
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int result = -1;
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int count = 0;
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Status status = 1;
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XtransConnInfo *transConns = NULL;
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while ((result < 0) && (count < 5))
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{
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char port[128];
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#ifdef _WIN32
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int nTCPPort = ((getpid() + time(NULL) + count) % 32768) + 1024;
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sprintf(port, "%d", nTCPPort);
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#else
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sprintf(port, "dcop%d-%ld", getpid(), time(NULL)+count);
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#endif
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result = _kde_IceTransMakeAllCOTSServerListeners (port, &partial,
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&transCount, &transConns);
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count++;
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}
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if ((result < 0) || (transCount < 1))
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{
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*listenObjsRet = NULL;
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*countRet = 0;
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strncpy (errorStringRet,
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"Cannot establish any listening sockets", errorLength);
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return (0);
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}
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if ((listenObjs = (struct _IceListenObj *) malloc (
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transCount * sizeof (struct _IceListenObj))) == NULL)
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{
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for (i = 0; i < transCount; i++)
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_kde_IceTransClose (transConns[i]);
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free ((char *) transConns);
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return (0);
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}
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*countRet = 0;
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for (i = 0; i < transCount; i++)
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{
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networkId = (char*)_kde_IceTransGetMyNetworkId (transConns[i]);
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if (networkId)
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{
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listenObjs[*countRet].trans_conn = transConns[i];
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listenObjs[*countRet].network_id = networkId;
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(*countRet)++;
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}
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}
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if (*countRet == 0)
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{
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*listenObjsRet = NULL;
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strncpy (errorStringRet,
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"Cannot establish any listening sockets", errorLength);
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status = 0;
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}
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else
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{
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*listenObjsRet = (IceListenObj *) malloc (
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*countRet * sizeof (IceListenObj));
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if (*listenObjsRet == NULL)
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{
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strncpy (errorStringRet, "Malloc failed", errorLength);
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status = 0;
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}
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else
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{
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for (i = 0; i < *countRet; i++)
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{
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(*listenObjsRet)[i] = (IceListenObj) malloc (
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sizeof (struct _IceListenObj));
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if ((*listenObjsRet)[i] == NULL)
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{
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strncpy (errorStringRet, "Malloc failed", errorLength);
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for (j = 0; j < i; j++)
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free ((char *) (*listenObjsRet)[j]);
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free ((char *) *listenObjsRet);
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status = 0;
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}
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else
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{
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*((*listenObjsRet)[i]) = listenObjs[i];
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}
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}
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}
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}
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if (status == 1)
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{
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if (errorStringRet && errorLength > 0)
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*errorStringRet = '\0';
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for (i = 0; i < *countRet; i++)
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{
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(*listenObjsRet)[i]->host_based_auth_proc = NULL;
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}
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}
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else
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{
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for (i = 0; i < transCount; i++)
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_kde_IceTransClose (transConns[i]);
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}
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free ((char *) listenObjs);
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free ((char *) transConns);
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return (status);
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}
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int
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IceGetListenConnectionNumber (listenObj)
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IceListenObj listenObj;
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{
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return (_kde_IceTransGetConnectionNumber (listenObj->trans_conn));
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}
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char *
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IceGetListenConnectionString (listenObj)
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IceListenObj listenObj;
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{
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char *networkId;
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networkId = (char *) malloc (strlen (listenObj->network_id) + 1);
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if (networkId)
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strcpy (networkId, listenObj->network_id);
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return (networkId);
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}
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char *
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IceComposeNetworkIdList (count, listenObjs)
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int count;
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IceListenObj *listenObjs;
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{
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char *list;
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int len = 0;
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int i;
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if (count < 1 || listenObjs == NULL)
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return (NULL);
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for (i = 0; i < count; i++)
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len += (strlen (listenObjs[i]->network_id) + 1);
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list = (char *) malloc (len);
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if (list == NULL)
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return (NULL);
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else
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{
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int doneCount = 0;
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list[0] = '\0';
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for (i = 0; i < count; i++)
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{
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if (_kde_IceTransIsLocal (listenObjs[i]->trans_conn))
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{
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strcat (list, listenObjs[i]->network_id);
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doneCount++;
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if (doneCount < count)
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strcat (list, ",");
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}
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}
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if (doneCount < count)
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{
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for (i = 0; i < count; i++)
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{
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if (!_kde_IceTransIsLocal (listenObjs[i]->trans_conn))
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{
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strcat (list, listenObjs[i]->network_id);
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doneCount++;
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if (doneCount < count)
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strcat (list, ",");
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}
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}
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}
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return (list);
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}
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}
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void
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IceFreeListenObjs (count, listenObjs)
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int count;
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IceListenObj *listenObjs;
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{
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int i;
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for (i = 0; i < count; i++)
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{
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free (listenObjs[i]->network_id);
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_kde_IceTransClose (listenObjs[i]->trans_conn);
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free ((char *) listenObjs[i]);
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}
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free ((char *) listenObjs);
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}
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/*
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* Allow host based authentication for the ICE Connection Setup.
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* Do not confuse with the host based authentication callbacks that
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* can be set up in IceRegisterForProtocolReply.
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*/
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void
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IceSetHostBasedAuthProc (listenObj, hostBasedAuthProc)
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IceListenObj listenObj;
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IceHostBasedAuthProc hostBasedAuthProc;
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{
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listenObj->host_based_auth_proc = hostBasedAuthProc;
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}
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