From: David Woodhouse <dwmw2@infradead.org>
Date: Thu, 27 Jun 2019 14:59:18 +0000 (+0100)
Subject: Allow oversized incoming DTLS packets
X-Git-Tag: v8.04~15
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=717b81349d99e2d922b9a3518c2001e69a005475;p=users%2Fdwmw2%2Fopenconnect.git

Allow oversized incoming DTLS packets

Bring DTLS into line with everything else, as with commit 0281a8e1db.

Signed-off-by: David Woodhouse <dwmw2@infradead.org>
---

diff --git a/dtls.c b/dtls.c
index f0a6cb56..0ebd639d 100644
--- a/dtls.c
+++ b/dtls.c
@@ -272,7 +272,7 @@ int dtls_mainloop(struct openconnect_info *vpninfo, int *timeout, int readable)
 	}
 
 	while (readable) {
-		int len = vpninfo->ip_info.mtu;
+		int len = MAX(16384, vpninfo->ip_info.mtu);
 		unsigned char *buf;
 
 		if (!vpninfo->dtls_pkt) {