SRB2/libs/miniupnpc/upnpc.c

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2014-03-15 16:59:03 +00:00
/* $Id: upnpc.c,v 1.88 2011/06/17 23:31:01 nanard Exp $ */
/* Project : miniupnp
* Author : Thomas Bernard
* Copyright (c) 2005-2011 Thomas Bernard
* This software is subject to the conditions detailed in the
* LICENCE file provided in this distribution. */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#ifdef WIN32
#include <winsock2.h>
#define snprintf _snprintf
#endif
#include "miniwget.h"
#include "miniupnpc.h"
#include "upnpcommands.h"
#include "upnperrors.h"
/* protofix() checks if protocol is "UDP" or "TCP"
* returns NULL if not */
const char * protofix(const char * proto)
{
static const char proto_tcp[4] = { 'T', 'C', 'P', 0};
static const char proto_udp[4] = { 'U', 'D', 'P', 0};
int i, b;
for(i=0, b=1; i<4; i++)
b = b && ( (proto[i] == proto_tcp[i])
|| (proto[i] == (proto_tcp[i] | 32)) );
if(b)
return proto_tcp;
for(i=0, b=1; i<4; i++)
b = b && ( (proto[i] == proto_udp[i])
|| (proto[i] == (proto_udp[i] | 32)) );
if(b)
return proto_udp;
return 0;
}
static void DisplayInfos(struct UPNPUrls * urls,
struct IGDdatas * data)
{
char externalIPAddress[40];
char connectionType[64];
char status[64];
char lastconnerr[64];
unsigned int uptime;
unsigned int brUp, brDown;
time_t timenow, timestarted;
int r;
UPNP_GetConnectionTypeInfo(urls->controlURL,
data->first.servicetype,
connectionType);
if(connectionType[0])
printf("Connection Type : %s\n", connectionType);
else
printf("GetConnectionTypeInfo failed.\n");
UPNP_GetStatusInfo(urls->controlURL, data->first.servicetype,
status, &uptime, lastconnerr);
printf("Status : %s, uptime=%us, LastConnectionError : %s\n",
status, uptime, lastconnerr);
timenow = time(NULL);
timestarted = timenow - uptime;
printf(" Time started : %s", ctime(&timestarted));
UPNP_GetLinkLayerMaxBitRates(urls->controlURL_CIF, data->CIF.servicetype,
&brDown, &brUp);
printf("MaxBitRateDown : %u bps", brDown);
if(brDown >= 1000000) {
printf(" (%u.%u Mbps)", brDown / 1000000, (brDown / 100000) % 10);
} else if(brDown >= 1000) {
printf(" (%u Kbps)", brDown / 1000);
}
printf(" MaxBitRateUp %u bps", brUp);
if(brUp >= 1000000) {
printf(" (%u.%u Mbps)", brUp / 1000000, (brUp / 100000) % 10);
} else if(brUp >= 1000) {
printf(" (%u Kbps)", brUp / 1000);
}
printf("\n");
r = UPNP_GetExternalIPAddress(urls->controlURL,
data->first.servicetype,
externalIPAddress);
if(r != UPNPCOMMAND_SUCCESS)
printf("GetExternalIPAddress() returned %d\n", r);
if(externalIPAddress[0])
printf("ExternalIPAddress = %s\n", externalIPAddress);
else
printf("GetExternalIPAddress failed.\n");
}
static void GetConnectionStatus(struct UPNPUrls * urls,
struct IGDdatas * data)
{
unsigned int bytessent, bytesreceived, packetsreceived, packetssent;
DisplayInfos(urls, data);
bytessent = UPNP_GetTotalBytesSent(urls->controlURL_CIF, data->CIF.servicetype);
bytesreceived = UPNP_GetTotalBytesReceived(urls->controlURL_CIF, data->CIF.servicetype);
packetssent = UPNP_GetTotalPacketsSent(urls->controlURL_CIF, data->CIF.servicetype);
packetsreceived = UPNP_GetTotalPacketsReceived(urls->controlURL_CIF, data->CIF.servicetype);
printf("Bytes: Sent: %8u\tRecv: %8u\n", bytessent, bytesreceived);
printf("Packets: Sent: %8u\tRecv: %8u\n", packetssent, packetsreceived);
}
static void ListRedirections(struct UPNPUrls * urls,
struct IGDdatas * data)
{
int r;
int i = 0;
char index[6];
char intClient[40];
char intPort[6];
char extPort[6];
char protocol[4];
char desc[80];
char enabled[6];
char rHost[64];
char duration[16];
/*unsigned int num=0;
UPNP_GetPortMappingNumberOfEntries(urls->controlURL, data->servicetype, &num);
printf("PortMappingNumberOfEntries : %u\n", num);*/
do {
snprintf(index, 6, "%d", i);
rHost[0] = '\0'; enabled[0] = '\0';
duration[0] = '\0'; desc[0] = '\0';
extPort[0] = '\0'; intPort[0] = '\0'; intClient[0] = '\0';
r = UPNP_GetGenericPortMappingEntry(urls->controlURL,
data->first.servicetype,
index,
extPort, intClient, intPort,
protocol, desc, enabled,
rHost, duration);
if(r==0)
/*
printf("%02d - %s %s->%s:%s\tenabled=%s leaseDuration=%s\n"
" desc='%s' rHost='%s'\n",
i, protocol, extPort, intClient, intPort,
enabled, duration,
desc, rHost);
*/
printf("%2d %s %5s->%s:%-5s '%s' '%s' %s\n",
i, protocol, extPort, intClient, intPort,
desc, rHost, duration);
else
printf("GetGenericPortMappingEntry() returned %d (%s)\n",
r, strupnperror(r));
i++;
} while(r==0);
}
static void NewListRedirections(struct UPNPUrls * urls,
struct IGDdatas * data)
{
int r;
int i = 0;
struct PortMappingParserData pdata;
struct PortMapping * pm;
memset(&pdata, 0, sizeof(struct PortMappingParserData));
r = UPNP_GetListOfPortMappings(urls->controlURL,
data->first.servicetype,
"0",
"65535",
"TCP",
"1000",
&pdata);
if(r == UPNPCOMMAND_SUCCESS)
{
for(pm = pdata.head.lh_first; pm != NULL; pm = pm->entries.le_next)
{
printf("%2d %s %5hu->%s:%-5hu '%s' '%s' %u\n",
i, pm->protocol, pm->externalPort, pm->internalClient,
pm->internalPort,
pm->description, pm->remoteHost,
(unsigned)pm->leaseTime);
i++;
}
FreePortListing(&pdata);
}
else
{
printf("GetListOfPortMappings() returned %d (%s)\n",
r, strupnperror(r));
}
r = UPNP_GetListOfPortMappings(urls->controlURL,
data->first.servicetype,
"0",
"65535",
"UDP",
"1000",
&pdata);
if(r == UPNPCOMMAND_SUCCESS)
{
for(pm = pdata.head.lh_first; pm != NULL; pm = pm->entries.le_next)
{
printf("%2d %s %5hu->%s:%-5hu '%s' '%s' %u\n",
i, pm->protocol, pm->externalPort, pm->internalClient,
pm->internalPort,
pm->description, pm->remoteHost,
(unsigned)pm->leaseTime);
i++;
}
FreePortListing(&pdata);
}
else
{
printf("GetListOfPortMappings() returned %d (%s)\n",
r, strupnperror(r));
}
}
/* Test function
* 1 - get connection type
* 2 - get extenal ip address
* 3 - Add port mapping
* 4 - get this port mapping from the IGD */
static void SetRedirectAndTest(struct UPNPUrls * urls,
struct IGDdatas * data,
const char * iaddr,
const char * iport,
const char * eport,
const char * proto,
const char * leaseDuration)
{
char externalIPAddress[40];
char intClient[40];
char intPort[6];
char duration[16];
int r;
if(!iaddr || !iport || !eport || !proto)
{
fprintf(stderr, "Wrong arguments\n");
return;
}
proto = protofix(proto);
if(!proto)
{
fprintf(stderr, "invalid protocol\n");
return;
}
UPNP_GetExternalIPAddress(urls->controlURL,
data->first.servicetype,
externalIPAddress);
if(externalIPAddress[0])
printf("ExternalIPAddress = %s\n", externalIPAddress);
else
printf("GetExternalIPAddress failed.\n");
r = UPNP_AddPortMapping(urls->controlURL, data->first.servicetype,
eport, iport, iaddr, 0, proto, 0, leaseDuration);
if(r!=UPNPCOMMAND_SUCCESS)
printf("AddPortMapping(%s, %s, %s) failed with code %d (%s)\n",
eport, iport, iaddr, r, strupnperror(r));
r = UPNP_GetSpecificPortMappingEntry(urls->controlURL,
data->first.servicetype,
eport, proto,
intClient, intPort, NULL/*desc*/,
NULL/*enabled*/, duration);
if(r!=UPNPCOMMAND_SUCCESS)
printf("GetSpecificPortMappingEntry() failed with code %d (%s)\n",
r, strupnperror(r));
if(intClient[0]) {
printf("InternalIP:Port = %s:%s\n", intClient, intPort);
printf("external %s:%s %s is redirected to internal %s:%s (duration=%s)\n",
externalIPAddress, eport, proto, intClient, intPort, duration);
}
}
static void
RemoveRedirect(struct UPNPUrls * urls,
struct IGDdatas * data,
const char * eport,
const char * proto)
{
int r;
if(!proto || !eport)
{
fprintf(stderr, "invalid arguments\n");
return;
}
proto = protofix(proto);
if(!proto)
{
fprintf(stderr, "protocol invalid\n");
return;
}
r = UPNP_DeletePortMapping(urls->controlURL, data->first.servicetype, eport, proto, 0);
printf("UPNP_DeletePortMapping() returned : %d\n", r);
}
/* IGD:2, functions for service WANIPv6FirewallControl:1 */
static void GetFirewallStatus(struct UPNPUrls * urls, struct IGDdatas * data)
{
unsigned int bytessent, bytesreceived, packetsreceived, packetssent;
int firewallEnabled = 0, inboundPinholeAllowed = 0;
UPNP_GetFirewallStatus(urls->controlURL_6FC, data->IPv6FC.servicetype, &firewallEnabled, &inboundPinholeAllowed);
printf("FirewallEnabled: %d & Inbound Pinhole Allowed: %d\n", firewallEnabled, inboundPinholeAllowed);
printf("GetFirewallStatus:\n Firewall Enabled: %s\n Inbound Pinhole Allowed: %s\n", (firewallEnabled)? "Yes":"No", (inboundPinholeAllowed)? "Yes":"No");
bytessent = UPNP_GetTotalBytesSent(urls->controlURL_CIF, data->CIF.servicetype);
bytesreceived = UPNP_GetTotalBytesReceived(urls->controlURL_CIF, data->CIF.servicetype);
packetssent = UPNP_GetTotalPacketsSent(urls->controlURL_CIF, data->CIF.servicetype);
packetsreceived = UPNP_GetTotalPacketsReceived(urls->controlURL_CIF, data->CIF.servicetype);
printf("Bytes: Sent: %8u\tRecv: %8u\n", bytessent, bytesreceived);
printf("Packets: Sent: %8u\tRecv: %8u\n", packetssent, packetsreceived);
}
/* Test function
* 1 - Add pinhole
* 2 - Check if pinhole is working from the IGD side */
static void SetPinholeAndTest(struct UPNPUrls * urls, struct IGDdatas * data,
const char * remoteaddr, const char * eport,
const char * intaddr, const char * iport,
const char * proto, const char * lease_time)
{
char uniqueID[8];
//int isWorking = 0;
int r;
if(!intaddr || !remoteaddr || !iport || !eport || !proto || !lease_time)
{
fprintf(stderr, "Wrong arguments\n");
return;
}
/*proto = protofix(proto);
if(!proto)
{
fprintf(stderr, "invalid protocol\n");
return;
}*/
r = UPNP_AddPinhole(urls->controlURL_6FC, data->IPv6FC.servicetype, remoteaddr, eport, intaddr, iport, proto, lease_time, uniqueID);
if(r!=UPNPCOMMAND_SUCCESS)
printf("AddPinhole([%s]:%s -> [%s]:%s) failed with code %d (%s)\n",
intaddr, iport, remoteaddr, eport, r, strupnperror(r));
else
{
printf("AddPinhole: ([%s]:%s -> [%s]:%s) / Pinhole ID = %s\n", intaddr, iport, remoteaddr, eport, uniqueID);
/*r = UPNP_CheckPinholeWorking(urls->controlURL_6FC, data->servicetype_6FC, uniqueID, &isWorking);
if(r!=UPNPCOMMAND_SUCCESS)
printf("CheckPinholeWorking() failed with code %d (%s)\n", r, strupnperror(r));
printf("CheckPinholeWorking: Pinhole ID = %s / IsWorking = %s\n", uniqueID, (isWorking)? "Yes":"No");*/
}
}
/* Test function
* 1 - Check if pinhole is working from the IGD side
* 2 - Update pinhole */
static void GetPinholeAndUpdate(struct UPNPUrls * urls, struct IGDdatas * data,
const char * uniqueID, const char * lease_time)
{
int isWorking = 0;
int r;
if(!uniqueID || !lease_time)
{
fprintf(stderr, "Wrong arguments\n");
return;
}
r = UPNP_CheckPinholeWorking(urls->controlURL_6FC, data->IPv6FC.servicetype, uniqueID, &isWorking);
printf("CheckPinholeWorking: Pinhole ID = %s / IsWorking = %s\n", uniqueID, (isWorking)? "Yes":"No");
if(r!=UPNPCOMMAND_SUCCESS)
printf("CheckPinholeWorking() failed with code %d (%s)\n", r, strupnperror(r));
if(isWorking || r==709)
{
r = UPNP_UpdatePinhole(urls->controlURL_6FC, data->IPv6FC.servicetype, uniqueID, lease_time);
printf("UpdatePinhole: Pinhole ID = %s with Lease Time: %s\n", uniqueID, lease_time);
if(r!=UPNPCOMMAND_SUCCESS)
printf("UpdatePinhole: ID (%s) failed with code %d (%s)\n", uniqueID, r, strupnperror(r));
}
}
/* Test function
* Get pinhole timeout
*/
static void GetPinholeOutboundTimeout(struct UPNPUrls * urls, struct IGDdatas * data,
const char * remoteaddr, const char * eport,
const char * intaddr, const char * iport,
const char * proto)
{
int timeout = 0;
int r;
if(!intaddr || !remoteaddr || !iport || !eport || !proto)
{
fprintf(stderr, "Wrong arguments\n");
return;
}
r = UPNP_GetOutboundPinholeTimeout(urls->controlURL_6FC, data->IPv6FC.servicetype, remoteaddr, eport, intaddr, iport, proto, &timeout);
if(r!=UPNPCOMMAND_SUCCESS)
printf("GetOutboundPinholeTimeout([%s]:%s -> [%s]:%s) failed with code %d (%s)\n",
intaddr, iport, remoteaddr, eport, r, strupnperror(r));
else
printf("GetOutboundPinholeTimeout: ([%s]:%s -> [%s]:%s) / Timeout = %d\n", intaddr, iport, remoteaddr, eport, timeout);
}
static void
GetPinholePackets(struct UPNPUrls * urls,
struct IGDdatas * data, const char * uniqueID)
{
int r, pinholePackets = 0;
if(!uniqueID)
{
fprintf(stderr, "invalid arguments\n");
return;
}
r = UPNP_GetPinholePackets(urls->controlURL_6FC, data->IPv6FC.servicetype, uniqueID, &pinholePackets);
if(r!=UPNPCOMMAND_SUCCESS)
printf("GetPinholePackets() failed with code %d (%s)\n", r, strupnperror(r));
else
printf("GetPinholePackets: Pinhole ID = %s / PinholePackets = %d\n", uniqueID, pinholePackets);
}
static void
CheckPinhole(struct UPNPUrls * urls,
struct IGDdatas * data, const char * uniqueID)
{
int r, isWorking = 0;
if(!uniqueID)
{
fprintf(stderr, "invalid arguments\n");
return;
}
r = UPNP_CheckPinholeWorking(urls->controlURL_6FC, data->IPv6FC.servicetype, uniqueID, &isWorking);
if(r!=UPNPCOMMAND_SUCCESS)
printf("CheckPinholeWorking() failed with code %d (%s)\n", r, strupnperror(r));
else
printf("CheckPinholeWorking: Pinhole ID = %s / IsWorking = %s\n", uniqueID, (isWorking)? "Yes":"No");
}
static void
RemovePinhole(struct UPNPUrls * urls,
struct IGDdatas * data, const char * uniqueID)
{
int r;
if(!uniqueID)
{
fprintf(stderr, "invalid arguments\n");
return;
}
r = UPNP_DeletePinhole(urls->controlURL_6FC, data->IPv6FC.servicetype, uniqueID);
printf("UPNP_DeletePinhole() returned : %d\n", r);
}
/* sample upnp client program */
int main(int argc, char ** argv)
{
char command = 0;
char ** commandargv = 0;
int commandargc = 0;
struct UPNPDev * devlist = 0;
char lanaddr[64]; /* my ip address on the LAN */
int i;
const char * rootdescurl = 0;
const char * multicastif = 0;
const char * minissdpdpath = 0;
int retcode = 0;
int error = 0;
int ipv6 = 0;
#ifdef WIN32
WSADATA wsaData;
int nResult = WSAStartup(MAKEWORD(2,2), &wsaData);
if(nResult != NO_ERROR)
{
fprintf(stderr, "WSAStartup() failed.\n");
return -1;
}
#endif
printf("upnpc : miniupnpc library test client. (c) 2006-2011 Thomas Bernard\n");
printf("Go to http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/\n"
"for more information.\n");
/* command line processing */
for(i=1; i<argc; i++)
{
if(argv[i][0] == '-')
{
if(argv[i][1] == 'u')
rootdescurl = argv[++i];
else if(argv[i][1] == 'm')
multicastif = argv[++i];
else if(argv[i][1] == 'p')
minissdpdpath = argv[++i];
else if(argv[i][1] == '6')
ipv6 = 1;
else
{
command = argv[i][1];
i++;
commandargv = argv + i;
commandargc = argc - i;
break;
}
}
else
{
fprintf(stderr, "option '%s' invalid\n", argv[i]);
}
}
if(!command || (command == 'a' && commandargc<4)
|| (command == 'd' && argc<2)
|| (command == 'r' && argc<2)
|| (command == 'A' && commandargc<6)
|| (command == 'U' && commandargc<2)
|| (command == 'D' && commandargc<1))
{
fprintf(stderr, "Usage :\t%s [options] -a ip port external_port protocol [duration]\n\t\tAdd port redirection\n", argv[0]);
fprintf(stderr, " \t%s [options] -d external_port protocol [port2 protocol2] [...]\n\t\tDelete port redirection\n", argv[0]);
fprintf(stderr, " \t%s [options] -s\n\t\tGet Connection status\n", argv[0]);
fprintf(stderr, " \t%s [options] -l\n\t\tList redirections\n", argv[0]);
fprintf(stderr, " \t%s [options] -L\n\t\tList redirections (using GetListOfPortMappings, IGD v2)\n", argv[0]);
fprintf(stderr, " \t%s [options] -r port1 protocol1 [port2 protocol2] [...]\n\t\tAdd all redirections to the current host\n", argv[0]);
fprintf(stderr, " \t%s [options] -A remote_ip remote_port internal_ip internal_port protocol lease_time\n\t\tAdd Pinhole (for IGD:2 only)\n", argv[0]);
fprintf(stderr, " \t%s [options] -U uniqueID new_lease_time\n\t\tUpdate Pinhole (for IGD:2 only)\n", argv[0]);
fprintf(stderr, " \t%s [options] -C uniqueID\n\t\tCheck if Pinhole is Working (for IGD:2 only)\n", argv[0]);
fprintf(stderr, " \t%s [options] -K uniqueID\n\t\tGet Number of packets going through the rule (for IGD:2 only)\n", argv[0]);
fprintf(stderr, " \t%s [options] -D uniqueID\n\t\tDelete Pinhole (for IGD:2 only)\n", argv[0]);
fprintf(stderr, " \t%s [options] -S\n\t\tGet Firewall status (for IGD:2 only)\n", argv[0]);
fprintf(stderr, " \t%s [options] -G remote_ip remote_port internal_ip internal_port protocol\n\t\tGet Outbound Pinhole Timeout (for IGD:2 only)\n", argv[0]);
fprintf(stderr, " \t%s [options] -P\n\t\tGet Presentation url\n", argv[0]);
fprintf(stderr, "\nprotocol is UDP or TCP\n");
fprintf(stderr, "Options:\n");
fprintf(stderr, " -6 : use ip v6 instead of ip v4.\n");
fprintf(stderr, " -u url : bypass discovery process by providing the XML root description url.\n");
fprintf(stderr, " -m address/interface : provide ip address (ip v4) or interface name (ip v6) to use for sending SSDP multicast packets.\n");
fprintf(stderr, " -p path : use this path for MiniSSDPd socket.\n");
return 1;
}
if( rootdescurl
|| (devlist = upnpDiscover(2000, multicastif, minissdpdpath,
0/*sameport*/, ipv6, &error)))
{
struct UPNPDev * device;
struct UPNPUrls urls;
struct IGDdatas data;
if(devlist)
{
printf("List of UPNP devices found on the network :\n");
for(device = devlist; device; device = device->pNext)
{
printf(" desc: %s\n st: %s\n\n",
device->descURL, device->st);
}
}
else
{
printf("upnpDiscover() error code=%d\n", error);
}
i = 1;
if( (rootdescurl && UPNP_GetIGDFromUrl(rootdescurl, &urls, &data, lanaddr, sizeof(lanaddr)))
|| (i = UPNP_GetValidIGD(devlist, &urls, &data, lanaddr, sizeof(lanaddr))))
{
switch(i) {
case 1:
printf("Found valid IGD : %s\n", urls.controlURL);
break;
case 2:
printf("Found a (not connected?) IGD : %s\n", urls.controlURL);
printf("Trying to continue anyway\n");
break;
case 3:
printf("UPnP device found. Is it an IGD ? : %s\n", urls.controlURL);
printf("Trying to continue anyway\n");
break;
default:
printf("Found device (igd ?) : %s\n", urls.controlURL);
printf("Trying to continue anyway\n");
}
printf("Local LAN ip address : %s\n", lanaddr);
#if 0
printf("getting \"%s\"\n", urls.ipcondescURL);
descXML = miniwget(urls.ipcondescURL, &descXMLsize);
if(descXML)
{
/*fwrite(descXML, 1, descXMLsize, stdout);*/
free(descXML); descXML = NULL;
}
#endif
switch(command)
{
case 'l':
DisplayInfos(&urls, &data);
ListRedirections(&urls, &data);
break;
case 'L':
NewListRedirections(&urls, &data);
break;
case 'a':
SetRedirectAndTest(&urls, &data,
commandargv[0], commandargv[1],
commandargv[2], commandargv[3],
(commandargc > 4)?commandargv[4]:"0");
break;
case 'd':
for(i=0; i<commandargc; i+=2)
{
RemoveRedirect(&urls, &data, commandargv[i], commandargv[i+1]);
}
break;
case 's':
GetConnectionStatus(&urls, &data);
break;
case 'r':
for(i=0; i<commandargc; i+=2)
{
/*printf("port %s protocol %s\n", argv[i], argv[i+1]);*/
SetRedirectAndTest(&urls, &data,
lanaddr, commandargv[i],
commandargv[i], commandargv[i+1], "0");
}
break;
case 'A':
SetPinholeAndTest(&urls, &data,
commandargv[0], commandargv[1],
commandargv[2], commandargv[3],
commandargv[4], commandargv[5]);
break;
case 'U':
GetPinholeAndUpdate(&urls, &data,
commandargv[0], commandargv[1]);
break;
case 'C':
for(i=0; i<commandargc; i++)
{
CheckPinhole(&urls, &data, commandargv[i]);
}
break;
case 'K':
for(i=0; i<commandargc; i++)
{
GetPinholePackets(&urls, &data, commandargv[i]);
}
break;
case 'D':
for(i=0; i<commandargc; i++)
{
RemovePinhole(&urls, &data, commandargv[i]);
}
break;
case 'S':
GetFirewallStatus(&urls, &data);
break;
case 'G':
GetPinholeOutboundTimeout(&urls, &data,
commandargv[0], commandargv[1],
commandargv[2], commandargv[3],
commandargv[4]);
break;
case 'P':
printf("Presentation URL found:\n");
printf(" %s\n", data.presentationurl);
break;
default:
fprintf(stderr, "Unknown switch -%c\n", command);
retcode = 1;
}
FreeUPNPUrls(&urls);
}
else
{
fprintf(stderr, "No valid UPNP Internet Gateway Device found.\n");
retcode = 1;
}
freeUPNPDevlist(devlist); devlist = 0;
}
else
{
fprintf(stderr, "No IGD UPnP Device found on the network !\n");
retcode = 1;
}
return retcode;
}