dnsip.c

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#include "buffer.h"
#include "exit.h"
#include "logmsg.h"
#include "ip.h"
#include "dns.h"
 
#define WHO "dnsip"
 
static char seed[128];
 
static stralloc fqdn;
static stralloc out;
 
int main(int argc,char **argv)
{
  int i;
  char ip4str[IP4_FMT];
  char ip6str[IP6_FMT];
 
  dns_random_init(seed);
 
  if (*argv) ++argv;
 
  while (*argv) {
    if (!stralloc_copys(&fqdn,*argv))
      logmsg(WHO,111,FATAL,"out of memory");
 
    if ((i = dns_ip6(&out,&fqdn)) > 0) {
      for (i = 0; i + 16 <= out.len; i += 16) {
        if (ip6_isv4mapped(out.s + i)) continue;
        buffer_put(buffer_1,ip6str,ip6_fmt(ip6str,out.s + i));
        buffer_puts(buffer_1," ");
      }
    }
 
    if ((i = dns_ip4(&out,&fqdn)) > 0)
      for (i = 0; i + 4 <= out.len; i += 4) {
        buffer_put(buffer_1,ip4str,ip4_fmt(ip4str,out.s + i));
        buffer_puts(buffer_1," ");
      }
 
    ++argv;
    buffer_puts(buffer_1,"\n");
  }
 
  buffer_flush(buffer_1);
  _exit(0);
}