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Port mapping with UPnP

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This commit is contained in:
Antonio Juarez 2014-04-09 13:14:35 +01:00
parent a401a02ddb
commit 9682a15400
90 changed files with 10630 additions and 24 deletions
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109
external/miniupnpc/receivedata.c vendored Executable file
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/* $Id: receivedata.c,v 1.5 2013/10/07 09:48:36 nanard Exp $ */
/* Project : miniupnp
* Website : http://miniupnp.free.fr/
* Author : Thomas Bernard
* Copyright (c) 2011-2012 Thomas Bernard
* This software is subject to the conditions detailed in the
* LICENCE file provided in this distribution. */
#include <stdio.h>
#ifdef _WIN32
#include <winsock2.h>
#include <ws2tcpip.h>
#else
#include <unistd.h>
#if defined(__amigaos__) && !defined(__amigaos4__)
#define socklen_t int
#else /* #if defined(__amigaos__) && !defined(__amigaos4__) */
#include <sys/select.h>
#endif /* #else defined(__amigaos__) && !defined(__amigaos4__) */
#include <sys/socket.h>
#include <netinet/in.h>
#if !defined(__amigaos__) && !defined(__amigaos4__)
#include <poll.h>
#endif
#include <errno.h>
#define MINIUPNPC_IGNORE_EINTR
#endif
#ifdef _WIN32
#define PRINT_SOCKET_ERROR(x) printf("Socket error: %s, %d\n", x, WSAGetLastError());
#else
#define PRINT_SOCKET_ERROR(x) perror(x)
#endif
#include "receivedata.h"
int
receivedata(int socket,
char * data, int length,
int timeout, unsigned int * scope_id)
{
#if MINIUPNPC_GET_SRC_ADDR
#ifdef DEBUG
/* to shut up valgrind about uninit value */
struct sockaddr_storage src_addr = {0};
#else
struct sockaddr_storage src_addr;
#endif
socklen_t src_addr_len = sizeof(src_addr);
#endif
int n;
#if !defined(_WIN32) && !defined(__amigaos__) && !defined(__amigaos4__)
/* using poll */
struct pollfd fds[1]; /* for the poll */
#ifdef MINIUPNPC_IGNORE_EINTR
do {
#endif
fds[0].fd = socket;
fds[0].events = POLLIN;
n = poll(fds, 1, timeout);
#ifdef MINIUPNPC_IGNORE_EINTR
} while(n < 0 && errno == EINTR);
#endif
if(n < 0) {
PRINT_SOCKET_ERROR("poll");
return -1;
} else if(n == 0) {
/* timeout */
return 0;
}
#else /* !defined(_WIN32) && !defined(__amigaos__) && !defined(__amigaos4__) */
/* using select under _WIN32 and amigaos */
fd_set socketSet;
TIMEVAL timeval;
FD_ZERO(&socketSet);
FD_SET(socket, &socketSet);
timeval.tv_sec = timeout / 1000;
timeval.tv_usec = (timeout % 1000) * 1000;
n = select(FD_SETSIZE, &socketSet, NULL, NULL, &timeval);
if(n < 0) {
PRINT_SOCKET_ERROR("select");
return -1;
} else if(n == 0) {
return 0;
}
#endif
#if MINIUPNPC_GET_SRC_ADDR
n = recvfrom(socket, data, length, 0,
(struct sockaddr *)&src_addr, &src_addr_len);
#else
n = recv(socket, data, length, 0);
#endif
if(n<0) {
PRINT_SOCKET_ERROR("recv");
}
#if MINIUPNPC_GET_SRC_ADDR
if (src_addr.ss_family == AF_INET6) {
const struct sockaddr_in6 * src_addr6 = (struct sockaddr_in6 *)&src_addr;
#ifdef DEBUG
printf("scope_id=%u\n", src_addr6->sin6_scope_id);
#endif
if(scope_id)
*scope_id = src_addr6->sin6_scope_id;
}
#endif
return n;
}