-/* $OpenBSD: canohost.c,v 1.64 2009/02/12 03:00:56 djm Exp $ */
+/* $OpenBSD: canohost.c,v 1.65 2009/05/27 06:31:25 andreas Exp $ */
/*
* Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
#include "misc.h"
static void check_ip_options(int, char *);
+static char *canonical_host_ip = NULL;
+static int cached_port = -1;
/*
* Return the canonical name of the host at the other end of the socket. The
return get_socket_address(sock, 0, NI_NAMEREQD);
}
+void
+clear_cached_addr(void)
+{
+ if (canonical_host_ip != NULL) {
+ xfree(canonical_host_ip);
+ canonical_host_ip = NULL;
+ }
+ cached_port = -1;
+}
+
/*
* Returns the IP-address of the remote host as a string. The returned
* string must not be freed.
const char *
get_remote_ipaddr(void)
{
- static char *canonical_host_ip = NULL;
-
/* Check whether we have cached the ipaddr. */
if (canonical_host_ip == NULL) {
if (packet_connection_is_on_socket()) {
int
get_remote_port(void)
{
- static int port = -1;
-
/* Cache to avoid getpeername() on a dead connection */
- if (port == -1)
- port = get_port(0);
+ if (cached_port == -1)
+ cached_port = get_port(0);
- return port;
+ return cached_port;
}
int