From b1b22afb6aa95920d33e740fb74699efd1e5fb4e Mon Sep 17 00:00:00 2001
From: venaas <venaas>
Date: Thu, 14 Aug 2008 12:56:32 +0000
Subject: seems need to use select with MSG_PEEK

git-svn-id: https://svn.testnett.uninett.no/radsecproxy/trunk@340 e88ac4ed-0b26-0410-9574-a7f39faa03bf
---
 radsecproxy.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/radsecproxy.c b/radsecproxy.c
index 0311029..e934d55 100644
--- a/radsecproxy.c
+++ b/radsecproxy.c
@@ -721,8 +721,13 @@ unsigned char *radudpget(int s, struct client **client, struct server **server,
     socklen_t fromlen = sizeof(from);
     struct clsrvconf *p;
     struct list_node *node;
+    fd_set readfds;
     
     for (;;) {
+	FD_ZERO(&readfds);
+        FD_SET(s, &readfds);
+	if (select(s + 1, &readfds, NULL, NULL, NULL) < 1)
+	    continue;
 	cnt = recvfrom(s, buf, 4, MSG_PEEK, (struct sockaddr *)&from, &fromlen);
 	if (cnt == -1) {
 	    debug(DBG_WARN, "radudpget: recv failed");
-- 
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