コード例 #1
0
/*
 * _hpaddr: construct hostent structure with one address
 */
static struct hostent *
_hpaddr(int af, const char *name, void *addr, int *errp)
{
	struct hostent *hp, hpbuf;
	char *addrs[2];

	hp = &hpbuf;
	hp->h_name = (char *)name;
	hp->h_aliases = NULL;
	hp->h_addrtype = af;
	hp->h_length = ADDRLEN(af);
	hp->h_addr_list = addrs;
	addrs[0] = (char *)addr;
	addrs[1] = NULL;
	return _hpcopy(hp, errp);
}
コード例 #2
0
ファイル: sock.c プロジェクト: InGenious-Justice/oio-sds
gint
format_addr (struct sockaddr *sa, gchar *h, gsize hL, gchar *p, gsize pL, GError **err)
{
	if (!sa) {
		GSETERROR(err,"Invalid parameter");
		return 0;
	}

	memset (h, 0x00, hL);
	memset (p, 0x00, pL);

	*h = '?';
	*p = '?';

	/*no reverse resolution, only numeric addresses*/
	if (0 != getnameinfo (sa, ADDRLEN(sa), h, hL, p, pL, NI_NUMERICHOST|NI_NUMERICSERV)) {
		GSETERROR(err, "Cannot format the address (%s)", strerror(errno));
		return 0;
	}

	return 1;
}
コード例 #3
0
static int
_files_ghbyname(void *rval, void *cb_data, va_list ap)
{
	const char *name;
	int af; 
	int *errp;
	int match, nalias;
	char *p, *line, *addrstr, *cname;
	FILE *fp;
	struct hostent *rethp, *hp, hpbuf;
	char *aliases[MAXALIASES + 1], *addrs[2];
	union inx_addr addrbuf;
	char buf[BUFSIZ];
	int af0;

	name = va_arg(ap, const char *);
	af = va_arg(ap, int);
	errp = va_arg(ap, int *);

	*(struct hostent **)rval = NULL;

	if ((fp = _files_open(errp)) == NULL)
		return NS_UNAVAIL;
	rethp = hp = NULL;

	af0 = af;
	while (fgets(buf, sizeof(buf), fp)) {
		line = buf;
		if ((addrstr = _hgetword(&line)) == NULL
		||  (cname = _hgetword(&line)) == NULL)
			continue;
		match = (strcasecmp(cname, name) == 0);
		nalias = 0;
		while ((p = _hgetword(&line)) != NULL) {
			if (!match)
				match = (strcasecmp(p, name) == 0);
			if (nalias < MAXALIASES)
				aliases[nalias++] = p;
		}
		if (!match)
			continue;
		switch (af0) {
		case AF_INET:
			if (inet_aton(addrstr, (struct in_addr *)&addrbuf)
			    != 1) {
				*errp = NO_DATA;	/* name found */
				continue;
			}
			af = af0;
			break;
#ifdef INET6
		case AF_INET6:
			if (inet_pton(af, addrstr, &addrbuf) != 1) {
				*errp = NO_DATA;	/* name found */
				continue;
			}
			af = af0;
			break;
#endif
		case AF_UNSPEC:
			if (inet_aton(addrstr, (struct in_addr *)&addrbuf)
			    == 1) {
				af = AF_INET;
				break;
			}
#ifdef INET6
			if (inet_pton(AF_INET6, addrstr, &addrbuf) == 1) {
				af = AF_INET6;
				break; 
			}
#endif
			*errp = NO_DATA;	/* name found */
			continue;
			/* NOTREACHED */
		}
		hp = &hpbuf;
		hp->h_name = cname;
		hp->h_aliases = aliases;
		aliases[nalias] = NULL;
		hp->h_addrtype = af;
		hp->h_length = ADDRLEN(af);
		hp->h_addr_list = addrs;
		addrs[0] = (char *)&addrbuf;
		addrs[1] = NULL;
		hp = _hpcopy(hp, errp);
		rethp = _hpmerge(rethp, hp, errp);
	}
	fclose(fp);
	*(struct hostent **)rval = rethp;
	return (rethp != NULL) ? NS_SUCCESS : NS_NOTFOUND;
}
コード例 #4
0
ファイル: if_ioctl_solaris.c プロジェクト: AT-Corp/quagga-atc
/* Retrieve address information for the given ifp */
static int
if_get_addr (struct interface *ifp, struct sockaddr *addr, const char *label)
{
  int ret;
  struct lifreq lifreq;
  struct sockaddr_storage mask, dest;
  char *dest_pnt = NULL;
  u_char prefixlen = 0;
  afi_t af;
  int flags = 0;

  /* Interface's name and address family.
   * We need to use the logical interface name / label, if we've been
   * given one, in order to get the right address
   */
  strncpy (lifreq.lifr_name, (label ? label : ifp->name), IFNAMSIZ);

  /* Interface's address. */
  memcpy (&lifreq.lifr_addr, addr, ADDRLEN (addr));
  af = addr->sa_family;

  /* Point to point or broad cast address pointer init. */
  dest_pnt = NULL;

  if (AF_IOCTL (af, SIOCGLIFDSTADDR, (caddr_t) & lifreq) >= 0)
    {
      memcpy (&dest, &lifreq.lifr_dstaddr, ADDRLEN (addr));
      if (af == AF_INET)
        dest_pnt = (char *) &(SIN (&dest)->sin_addr);
      else
        dest_pnt = (char *) &(SIN6 (&dest)->sin6_addr);
      flags = ZEBRA_IFA_PEER;
    }

  if (af == AF_INET)
    {
      ret = if_ioctl (SIOCGLIFNETMASK, (caddr_t) & lifreq);
      
      if (ret < 0)
        {
          if (errno != EADDRNOTAVAIL)
            {
              zlog_warn ("SIOCGLIFNETMASK (%s) fail: %s", ifp->name,
                         safe_strerror (errno));
              return ret;
            }
          return 0;
        }
      memcpy (&mask, &lifreq.lifr_addr, ADDRLEN (addr));

      prefixlen = ip_masklen (SIN (&mask)->sin_addr);
      if (!dest_pnt && (if_ioctl (SIOCGLIFBRDADDR, (caddr_t) & lifreq) >= 0))
	{
          memcpy (&dest, &lifreq.lifr_broadaddr, sizeof (struct sockaddr_in));
          dest_pnt = (char *) &SIN (&dest)->sin_addr;
        }
    }
#ifdef HAVE_IPV6
  else if (af == AF_INET6)
    {
      if (if_ioctl_ipv6 (SIOCGLIFSUBNET, (caddr_t) & lifreq) < 0)
	{
	  if (ifp->flags & IFF_POINTOPOINT)
	    prefixlen = IPV6_MAX_BITLEN;
	  else
	    zlog_warn ("SIOCGLIFSUBNET (%s) fail: %s",
		       ifp->name, safe_strerror (errno));
	}
      else
	{
	  prefixlen = lifreq.lifr_addrlen;
	}
    }
#endif /* HAVE_IPV6 */

  /* Set address to the interface. */
  if (af == AF_INET)
    connected_add_ipv4 (ifp, flags, &SIN (addr)->sin_addr, prefixlen,
                        (struct in_addr *) dest_pnt, label);
#ifdef HAVE_IPV6
  else if (af == AF_INET6)
    connected_add_ipv6 (ifp, flags, &SIN6 (addr)->sin6_addr, prefixlen,
                        (struct in6_addr *) dest_pnt, label);
#endif /* HAVE_IPV6 */

  return 0;
}