![Michael Jerris](/assets/img/avatar_default.png)
git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@13510 d0543943-73ff-0310-b7d9-9358b9ac24b2
203 lines
5.8 KiB
C
203 lines
5.8 KiB
C
/* $Id: natpmpc.c,v 1.6 2008/07/02 22:33:06 nanard Exp $ */
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/* libnatpmp
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* Copyright (c) 2007-2008, Thomas BERNARD <miniupnp@free.fr>
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* http://miniupnp.free.fr/libnatpmp.html
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
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#include <stdio.h>
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#include <errno.h>
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#include <string.h>
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#include <unistd.h>
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#ifdef WIN32
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#include <winsock2.h>
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#else
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#endif
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#include "natpmp.h"
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void usage(FILE * out, const char * argv0)
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{
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fprintf(out, "Usage :\n");
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fprintf(out, " %s\n", argv0);
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fprintf(out, "\tdisplay the public IP address.\n");
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fprintf(out, " %s -h\n", argv0);
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fprintf(out, "\tdisplay this help screen.\n");
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fprintf(out, " %s -a <public port> <private port> <protocol> [lifetime]\n", argv0);
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fprintf(out, "\tadd a port mapping.\n");
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fprintf(out, "\n In order to remove a mapping, set it with a lifetime of 0 seconds.\n");
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fprintf(out, " To remove all mappings for your machine, use 0 as private port and lifetime.\n");
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}
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/* sample code for using libnatpmp */
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int main(int argc, char * * argv)
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{
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natpmp_t natpmp;
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natpmpresp_t response;
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int r;
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int sav_errno;
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struct timeval timeout;
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fd_set fds;
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int i;
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int protocol = 0;
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uint16_t privateport = 0;
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uint16_t publicport = 0;
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uint32_t lifetime = 3600;
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int command = 0;
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#ifdef WIN32
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WSADATA wsaData;
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int nResult = WSAStartup(MAKEWORD(2,2), &wsaData);
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if(nResult != NO_ERROR)
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{
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fprintf(stderr, "WSAStartup() failed.\n");
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return -1;
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}
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#endif
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/* argument parsing */
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for(i=1; i<argc; i++) {
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if(argv[i][0] == '-') {
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switch(argv[i][1]) {
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case 'h':
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usage(stdout, argv[0]);
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return 0;
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case 'a':
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command = 'a';
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if(argc < i + 3) {
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fprintf(stderr, "Not enough arguments for option -a\n");
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return 1;
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}
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i++;
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if(1 != sscanf(argv[i], "%hu", &publicport)) {
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fprintf(stderr, "%s is not a correct 16bits unsigned integer\n", argv[i]);
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return 1;
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}
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i++;
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if(1 != sscanf(argv[i], "%hu", &privateport)) {
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fprintf(stderr, "%s is not a correct 16bits unsigned integer\n", argv[i]);
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return 1;
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}
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i++;
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if(0 == strcasecmp(argv[i], "tcp"))
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protocol = NATPMP_PROTOCOL_TCP;
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else if(0 == strcasecmp(argv[i], "udp"))
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protocol = NATPMP_PROTOCOL_UDP;
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else {
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fprintf(stderr, "%s is not a valid protocol\n", argv[i]);
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return 1;
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}
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if(argc >= i) {
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i++;
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if(1 != sscanf(argv[i], "%u", &lifetime)) {
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fprintf(stderr, "%s is not a correct 32bits unsigned integer\n", argv[i]);
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}
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}
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break;
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default:
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fprintf(stderr, "Unknown option %s\n", argv[i]);
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usage(stderr, argv[0]);
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return 1;
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}
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} else {
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fprintf(stderr, "Unknown option %s\n", argv[i]);
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usage(stderr, argv[0]);
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return 1;
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}
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}
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/* initnatpmp() */
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r = initnatpmp(&natpmp);
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printf("initnatpmp() returned %d (%s)\n", r, r?"FAILED":"SUCCESS");
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if(r<0)
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return 1;
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/* sendpublicaddressrequest() */
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r = sendpublicaddressrequest(&natpmp);
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printf("sendpublicaddressrequest returned %d (%s)\n",
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r, r==2?"SUCCESS":"FAILED");
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if(r<0)
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return 1;
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do {
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FD_ZERO(&fds);
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FD_SET(natpmp.s, &fds);
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getnatpmprequesttimeout(&natpmp, &timeout);
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select(FD_SETSIZE, &fds, NULL, NULL, &timeout);
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r = readnatpmpresponseorretry(&natpmp, &response);
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sav_errno = errno;
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printf("readnatpmpresponseorretry returned %d (%s)\n",
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r, r==0?"OK":(r==NATPMP_TRYAGAIN?"TRY AGAIN":"FAILED"));
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if(r<0 && r!=NATPMP_TRYAGAIN) {
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#ifdef ENABLE_STRNATPMPERR
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fprintf(stderr, "readnatpmpresponseorretry() failed : %s\n",
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strnatpmperr(r));
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#endif
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fprintf(stderr, " errno=%d '%s'\n",
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sav_errno, strerror(sav_errno));
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}
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} while(r==NATPMP_TRYAGAIN);
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if(r<0)
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return 1;
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/* TODO : check that response.type == 0 */
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printf("Public IP address : %s\n", inet_ntoa(response.pnu.publicaddress.addr));
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printf("epoch = %u\n", response.epoch);
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if(command == 'a') {
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/* sendnewportmappingrequest() */
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r = sendnewportmappingrequest(&natpmp, protocol,
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privateport, publicport,
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lifetime);
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printf("sendnewportmappingrequest returned %d (%s)\n",
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r, r==12?"SUCCESS":"FAILED");
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if(r < 0)
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return 1;
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do {
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FD_ZERO(&fds);
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FD_SET(natpmp.s, &fds);
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getnatpmprequesttimeout(&natpmp, &timeout);
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select(FD_SETSIZE, &fds, NULL, NULL, &timeout);
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r = readnatpmpresponseorretry(&natpmp, &response);
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printf("readnatpmpresponseorretry returned %d (%s)\n",
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r, r==0?"OK":(r==NATPMP_TRYAGAIN?"TRY AGAIN":"FAILED"));
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} while(r==NATPMP_TRYAGAIN);
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if(r<0) {
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#ifdef ENABLE_STRNATPMPERR
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fprintf(stderr, "readnatpmpresponseorretry() failed : %s\n",
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strnatpmperr(r));
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#endif
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return 1;
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}
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printf("Mapped public port %hu protocol %s to local port %hu "
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"liftime %u\n",
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response.pnu.newportmapping.mappedpublicport,
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response.type == NATPMP_RESPTYPE_UDPPORTMAPPING ? "UDP" :
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(response.type == NATPMP_RESPTYPE_TCPPORTMAPPING ? "TCP" :
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"UNKNOWN"),
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response.pnu.newportmapping.privateport,
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response.pnu.newportmapping.lifetime);
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printf("epoch = %u\n", response.epoch);
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}
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r = closenatpmp(&natpmp);
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printf("closenatpmp() returned %d (%s)\n", r, r==0?"SUCCESS":"FAILED");
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if(r<0)
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return 1;
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return 0;
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}
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