#include <config.h>
#include <err.h>
#include "getarg.h"
#include "roken.h"
#include <ifaddrs.h>
static int verbose_counter;
static int version_flag;
static int help_flag;
static struct getargs args[] = {
{"verbose", 0, arg_counter, &verbose_counter,"verbose", NULL},
{"version", 0, arg_flag, &version_flag, "print version",NULL},
{"help", 0, arg_flag, &help_flag, NULL, NULL}
};
static void
usage(int ret)
{
arg_printusage (args,
sizeof(args) / sizeof(args[0]),
NULL, "");
exit (ret);
}
static void
print_addr(const char *s, struct sockaddr *sa)
{
int i;
printf(" %s=%d/", s, sa->sa_family);
#ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
for(i = 0; i < sa->sa_len - ((long)sa->sa_data - (long)&sa->sa_family); i++)
printf("%02x", ((unsigned char*)sa->sa_data)[i]);
#else
for(i = 0; i < sizeof(sa->sa_data); i++)
printf("%02x", ((unsigned char*)sa->sa_data)[i]);
#endif
printf("\n");
}
static void
print_ifaddrs(struct ifaddrs *x)
{
struct ifaddrs *p;
for(p = x; p; p = p->ifa_next) {
if (verbose_counter) {
printf("%s\n", p->ifa_name);
printf(" flags=%x\n", p->ifa_flags);
if(p->ifa_addr)
print_addr("addr", p->ifa_addr);
if(p->ifa_dstaddr)
print_addr("dstaddr", p->ifa_dstaddr);
if(p->ifa_netmask)
print_addr("netmask", p->ifa_netmask);
printf(" %p\n", p->ifa_data);
}
}
}
int
main(int argc, char **argv)
{
struct ifaddrs *addrs = NULL;
int ret, optidx = 0;
setprogname (argv[0]);
if (getarg (args, sizeof(args) / sizeof(args[0]), argc, argv,
&optidx))
usage (1);
if (help_flag)
usage (0);
if (version_flag) {
fprintf (stderr, "%s from %s-%s\n", getprogname(), PACKAGE, VERSION);
return 0;
}
if (rk_SOCK_INIT())
errx(1, "Couldn't initialize sockets. Err=%d\n", rk_SOCK_ERRNO);
ret = getifaddrs(&addrs);
if (ret != 0)
err(1, "getifaddrs");
if (addrs == NULL)
errx(1, "address == NULL");
print_ifaddrs(addrs);
freeifaddrs(addrs);
rk_SOCK_EXIT();
return 0;
}