From 6d558e12b04a468ec630d282265f033f54f6fa41 Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@swtch.com>
Date: Sat, 15 Aug 2009 02:48:08 -0400
Subject: dial: reject dial to * (aka 0.0.0.0)

fixes #15 http://code.swtch.com/plan9port/issues/15

http://codereview.appspot.com/107043
---
 src/lib9/dial.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'src')

diff --git a/src/lib9/dial.c b/src/lib9/dial.c
index 88dcf564..5550e9e1 100644
--- a/src/lib9/dial.c
+++ b/src/lib9/dial.c
@@ -46,6 +46,11 @@ p9dial(char *addr, char *local, char *dummy2, int *dummy3)
 		free(buf);
 		return -1;
 	}
+	if(host == 0){
+		werrstr("invalid dial address 0.0.0.0 (aka *)");
+		free(buf);
+		return -1;
+	}
 
 	if(strcmp(net, "tcp") == 0)
 		proto = SOCK_STREAM;
-- 
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