contrib/ipfilter/lib/gethost.c

   1 /*      $FreeBSD$       */
   2
   3 #include "ipf.h"
   4
   5 int gethost(name, hostp)
   6 char *name;
   7 u_32_t *hostp;
   8 {
   9         struct hostent *h;
  10         struct netent *n;
  11         u_32_t addr;
  12
  13         if (!strcmp(name, "test.host.dots")) {
  14                 *hostp = htonl(0xfedcba98);
  15                 return 0;
  16         }
  17
  18         if (!strcmp(name, "<thishost>"))
  19                 name = thishost;
  20
  21         h = gethostbyname(name);
  22         if (h != NULL) {
  23                 if ((h->h_addr != NULL) && (h->h_length == sizeof(addr))) {
  24                         bcopy(h->h_addr, (char *)&addr, sizeof(addr));
  25                         *hostp = addr;
  26                         return 0;
  27                 }
  28         }
  29
  30         n = getnetbyname(name);
  31         if (n != NULL) {
  32                 *hostp = (u_32_t)htonl(n->n_net & 0xffffffff);
  33                 return 0;
  34         }
  35         return -1;
  36 }