static void
afinet_set_port(GSockAddr *addr, gchar *service, const gchar *proto)
{
if (addr)
{
gchar *end;
gint port;
/* check if service is numeric */
port = strtol(service, &end, 10);
if ((*end != 0))
{
struct servent *se;
/* service is not numeric, check if it's a service in /etc/services */
se = getservbyname(service, proto);
if (se)
{
port = ntohs(se->s_port);
}
else
{
msg_error("Error finding port number, falling back to default",
evt_tag_printf("service", "%s/%s", proto, service),
NULL);
return;
}
}
switch (addr->sa.sa_family)
{
case AF_INET:
g_sockaddr_inet_set_port(addr, port);
break;
#if ENABLE_IPV6
case AF_INET6:
g_sockaddr_inet6_set_port(addr, port);
break;
#endif
default:
g_assert_not_reached();
break;
}
}
}
static void
afinet_set_port(GSockAddr *addr, gint port, gchar *service, gchar *proto)
{
if (addr)
{
if (proto)
{
struct servent *se;
se = getservbyname(service, proto);
if (se)
{
port = ntohs(se->s_port);
}
else
{
msg_error("Error finding port number, falling back to default",
evt_tag_printf("service", "%s/%s", proto, service),
NULL);
return;
}
}
switch (addr->sa.sa_family)
{
case AF_INET:
g_sockaddr_inet_set_port(addr, port);
break;
#if ENABLE_IPV6
case AF_INET6:
g_sockaddr_inet6_set_port(addr, port);
break;
#endif
default:
g_assert_not_reached();
break;
}
}
}
gboolean
resolve_hostname(GSockAddr **addr, gchar *name)
{
if (addr)
{
#if HAVE_GETADDRINFO
struct addrinfo hints;
struct addrinfo *res;
memset(&hints, 0, sizeof(hints));
hints.ai_family = (*addr)->sa.sa_family;
hints.ai_socktype = 0;
hints.ai_protocol = 0;
if (getaddrinfo(name, NULL, &hints, &res) == 0)
{
/* we only use the first entry in the returned list */
switch ((*addr)->sa.sa_family)
{
case AF_INET:
g_sockaddr_inet_set_address((*addr), ((struct sockaddr_in *) res->ai_addr)->sin_addr);
break;
#if ENABLE_IPV6
case AF_INET6:
{
guint16 port;
/* we need to copy the whole sockaddr_in6 structure as it
* might contain scope and other required data */
port = g_sockaddr_inet6_get_port(*addr);
*g_sockaddr_inet6_get_sa(*addr) = *((struct sockaddr_in6 *) res->ai_addr);
/* we need to restore the port number as it is zeroed out by the previous assignment */
g_sockaddr_inet6_set_port(*addr, port);
break;
}
#endif
default:
g_assert_not_reached();
break;
}
freeaddrinfo(res);
}
else
{
msg_error("Error resolving hostname", evt_tag_str("host", name), NULL);
return FALSE;
}
#else
struct hostent *he;
G_LOCK(resolv_lock);
he = gethostbyname(name);
if (he)
{
switch ((*addr)->sa.sa_family)
{
case AF_INET:
g_sockaddr_inet_set_address((*addr), *(struct in_addr *) he->h_addr);
break;
default:
g_assert_not_reached();
break;
}
G_UNLOCK(resolv_lock);
}
else
{
G_UNLOCK(resolv_lock);
msg_error("Error resolving hostname", evt_tag_str("host", name), NULL);
return FALSE;
}
#endif
}
return TRUE;
}
