From: Jeffin Mammen <jmammen@qti.qualcomm.com>
Date: Thu, 6 Jul 2017 10:58:50 +0000 (+0300)
Subject: FILS: Fix the IP header protocol field in HLP DHCP response
X-Git-Tag: hostap_2_7~1213
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=31ec556cefb7b7ebf227fbb7c5f5750006cbe03a;p=thirdparty%2Fhostap.git

FILS: Fix the IP header protocol field in HLP DHCP response

The IP header should indicate that UDP is used in the message.

Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
---

diff --git a/src/ap/fils_hlp.c b/src/ap/fils_hlp.c
index 3fc872139..c5e7aec4a 100644
--- a/src/ap/fils_hlp.c
+++ b/src/ap/fils_hlp.c
@@ -263,6 +263,7 @@ static void fils_dhcp_handler(int sd, void *eloop_ctx, void *sock_ctx)
 	iph->ihl = sizeof(*iph) / 4;
 	iph->tot_len = htons(sizeof(*iph) + sizeof(*udph) + (end - pos));
 	iph->ttl = 1;
+	iph->protocol = 17; /* UDP */
 	iph->saddr = hapd->conf->dhcp_server.u.v4.s_addr;
 	iph->daddr = dhcp->client_ip;
 	iph->check = ip_checksum(iph, sizeof(*iph));