mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-14 23:30:06 +00:00
688903eb3e
* All files with FSF copyright notices: Update copyright dates using scripts/update-copyrights. * locale/programs/charmap-kw.h: Regenerated. * locale/programs/locfile-kw.h: Likewise.
100 lines
2.6 KiB
C
100 lines
2.6 KiB
C
/* Test listing of network interface addresses.
|
|
Copyright (C) 2002-2018 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <ifaddrs.h>
|
|
#include <netinet/in.h>
|
|
#include <arpa/inet.h>
|
|
|
|
static int failures;
|
|
|
|
static const char *
|
|
addr_string (struct sockaddr *sa, char *buf, size_t size)
|
|
{
|
|
if (sa == NULL)
|
|
return "<none>";
|
|
|
|
switch (sa->sa_family)
|
|
{
|
|
case AF_INET:
|
|
return inet_ntop (AF_INET, &((struct sockaddr_in *) sa)->sin_addr,
|
|
buf, size);
|
|
case AF_INET6:
|
|
return inet_ntop (AF_INET6, &((struct sockaddr_in6 *) sa)->sin6_addr,
|
|
buf, size);
|
|
#ifdef AF_LINK
|
|
case AF_LINK:
|
|
return "<link>";
|
|
#endif
|
|
case AF_UNSPEC:
|
|
return "---";
|
|
|
|
#ifdef AF_PACKET
|
|
case AF_PACKET:
|
|
return "<packet>";
|
|
#endif
|
|
|
|
default:
|
|
++failures;
|
|
printf ("sa_family=%d %08x\n", sa->sa_family,
|
|
*(int*)&((struct sockaddr_in *) sa)->sin_addr.s_addr);
|
|
return "<unexpected sockaddr family>";
|
|
}
|
|
}
|
|
|
|
|
|
static int
|
|
do_test (void)
|
|
{
|
|
struct ifaddrs *ifaces, *ifa;
|
|
|
|
if (getifaddrs (&ifaces) < 0)
|
|
{
|
|
if (errno != ENOSYS)
|
|
{
|
|
printf ("Couldn't get any interfaces: %s.\n", strerror (errno));
|
|
exit (1);
|
|
}
|
|
/* The function is simply not implemented. */
|
|
exit (0);
|
|
}
|
|
|
|
puts ("\
|
|
Name Flags Address Netmask Broadcast/Destination");
|
|
|
|
for (ifa = ifaces; ifa != NULL; ifa = ifa->ifa_next)
|
|
{
|
|
char abuf[64], mbuf[64], dbuf[64];
|
|
printf ("%-15s%#.4x %-15s %-15s %-15s\n",
|
|
ifa->ifa_name, ifa->ifa_flags,
|
|
addr_string (ifa->ifa_addr, abuf, sizeof (abuf)),
|
|
addr_string (ifa->ifa_netmask, mbuf, sizeof (mbuf)),
|
|
addr_string (ifa->ifa_broadaddr, dbuf, sizeof (dbuf)));
|
|
}
|
|
|
|
freeifaddrs (ifaces);
|
|
|
|
return failures ? 1 : 0;
|
|
}
|
|
|
|
#define TEST_FUNCTION do_test ()
|
|
#include "../test-skeleton.c"
|