UPNP port forwarding managment

upnp_port.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <fcntl.h>
#include <netinet/in.h>
#include <ctype.h>
#include "miniwget.h"
#include "miniupnpc.h"
#include "upnpcommands.h"
#include "upnperrors.h"
#include "miniupnpcstrings.h"

int main(int argc, char ** argv) {
	int error = 0;
	struct UPNPDev * devlist = upnpDiscover(2000, NULL, NULL, UPNP_LOCAL_PORT_ANY, 0, 2, &error);
	if( devlist == NULL){
		fprintf(stderr, "No IGD UPnP Device found on the network !\n");
		return 1;
	}
	struct UPNPUrls urls;
	struct IGDdatas data;
	char lanaddr[64] = "unset";	/* my ip address on the LAN */
	int i = UPNP_GetValidIGD(devlist, &urls, &data, lanaddr, sizeof(lanaddr));
	if( !i ){
		fprintf(stderr, "No valid UPNP Internet Gateway Device found.\n");
		return 1;
	}

	//printf("IGD(%i):%s, self:%s\n", i, urls.controlURL, lanaddr);
	int bufsize;
	int retcode = 0;
	char * reply = NULL;
	if (argv[1][0]=='a')
		reply = upnp_cmd(-1, urls.controlURL, data.first.servicetype, "AddPortMapping",    (struct UPNParg []){ {"NewRemoteHost",NULL}, {"NewExternalPort","2345"},{"NewProtocol","UDP"},{"NewInternalPort","1234"},{"NewInternalClient",lanaddr},{"NewEnabled","1"},{"NewPortMappingDescription","Eldorado"},{"NewLeaseDuration","0"},{NULL},}, &bufsize);
	if (argv[1][0]=='d')
		reply = upnp_cmd(-1, urls.controlURL, data.first.servicetype, "DeletePortMapping", (struct UPNParg []){ {"NewRemoteHost",NULL}, {"NewExternalPort","2345"}, {"NewProtocol","UDP"}, {NULL},}, &bufsize);

	if(!reply)return fprintf(stderr,"%c failed\n", argv[1][0]),3;
	struct NameValueParserData pdata;
	ParseNameValue(reply, bufsize, &pdata);
	free(reply);
	const char *resVal = GetValueFromNameValueList(&pdata, "errorCode");
	ClearNameValueList(&pdata);
	retcode = atoi(resVal?resVal:"0");

	FreeUPNPUrls(&urls);
	freeUPNPDevlist(devlist);
	printf("\n\n");
	return retcode;
}