From 2ea12d8b6d2a36c5d49df1ae97b86ba287835249 Mon Sep 17 00:00:00 2001
From: Jeremie Koenig <jk@jk.fr.eu.org>
Date: Thu, 27 May 2010 15:46:25 +0200
Subject: tcpsvd,udpsvd: conditionalize usage of SO_ORIGINAL_DST

On systems without this call, $TCPORIGDSTADDR is not set.

Signed-off-by: Jeremie Koenig <jk@jk.fr.eu.org>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
---
 networking/tcpudp.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'networking/tcpudp.c')

diff --git a/networking/tcpudp.c b/networking/tcpudp.c
index 53e622b56..40f68258e 100644
--- a/networking/tcpudp.c
+++ b/networking/tcpudp.c
@@ -30,9 +30,12 @@
  */
 
 #include "libbb.h"
+
 /* Wants <limits.h> etc, thus included after libbb.h: */
+#ifdef __linux__
 #include <linux/types.h> /* for __be32 etc */
 #include <linux/netfilter_ipv4.h>
+#endif
 
 // TODO: move into this file:
 #include "tcpudp_perhost.h"
@@ -464,6 +467,7 @@ int tcpudpsvd_main(int argc UNUSED_PARAM, char **argv)
 			/* setup ucspi env */
 			const char *proto = tcp ? "TCP" : "UDP";
 
+#ifdef SO_ORIGINAL_DST
 			/* Extract "original" destination addr:port
 			 * from Linux firewall. Useful when you redirect
 			 * an outbond connection to local handler, and it needs
@@ -473,6 +477,7 @@ int tcpudpsvd_main(int argc UNUSED_PARAM, char **argv)
 				xsetenv_plain("TCPORIGDSTADDR", addr);
 				free(addr);
 			}
+#endif
 			xsetenv_plain("PROTO", proto);
 			xsetenv_proto(proto, "LOCALADDR", local_addr);
 			xsetenv_proto(proto, "REMOTEADDR", remote_addr);
-- 
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