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/* $Id: upnputils.c,v 1.1 2013/09/07 06:45:39 nanard Exp $ */
/* MiniUPnP project
* http://miniupnp.free.fr/ or http://miniupnp.tuxfamily.org/
* (c) 2006-2013 Thomas Bernard
* This software is subject to the conditions detailed
* in the LICENCE file provided within the distribution */
#include "config.h"
#include <stdio.h>
#include <string.h>
#include <syslog.h>
#include <unistd.h>
#include <fcntl.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#ifdef AF_LINK
#include <net/if_dl.h>
#endif
#include "upnputils.h"
int
sockaddr_to_string(const struct sockaddr * addr, char * str, size_t size)
{
char buffer[64];
unsigned short port = 0;
int n = -1;
switch(addr->sa_family)
{
case AF_INET6:
inet_ntop(addr->sa_family,
&((struct sockaddr_in6 *)addr)->sin6_addr,
buffer, sizeof(buffer));
port = ntohs(((struct sockaddr_in6 *)addr)->sin6_port);
n = snprintf(str, size, "[%s]:%hu", buffer, port);
break;
case AF_INET:
inet_ntop(addr->sa_family,
&((struct sockaddr_in *)addr)->sin_addr,
buffer, sizeof(buffer));
port = ntohs(((struct sockaddr_in *)addr)->sin_port);
n = snprintf(str, size, "%s:%hu", buffer, port);
break;
#ifdef AF_LINK
#if defined(__sun)
/* solaris does not seem to have link_ntoa */
/* #define link_ntoa _link_ntoa */
#define link_ntoa(x) "dummy-link_ntoa"
#endif
case AF_LINK:
{
struct sockaddr_dl * sdl = (struct sockaddr_dl *)addr;
n = snprintf(str, size, "index=%hu type=%d %s",
sdl->sdl_index, sdl->sdl_type,
link_ntoa(sdl));
}
break;
#endif
default:
n = snprintf(str, size, "unknown address family %d", addr->sa_family);
#if 0
n = snprintf(str, size, "unknown address family %d "
"%02x %02x %02x %02x %02x %02x %02x %02x",
addr->sa_family,
addr->sa_data[0], addr->sa_data[1], (unsigned)addr->sa_data[2], addr->sa_data[3],
addr->sa_data[4], addr->sa_data[5], (unsigned)addr->sa_data[6], addr->sa_data[7]);
#endif
}
return n;
}
int
set_non_blocking(int fd)
{
int flags = fcntl(fd, F_GETFL);
if(flags < 0)
return 0;
if(fcntl(fd, F_SETFL, flags | O_NONBLOCK) < 0)
return 0;
return 1;
}
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