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kernel-netlink: Properly install policies with ICMP[v6] types and codes

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Tobias Brunner
2013-10-17 16:57:39 +02:00
parent 000235f1c5
commit ddc2d3c8e4
1 changed files with 12 additions and 1 deletions
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src/libhydra/plugins/kernel_netlink/kernel_netlink_ipsec.c
+12 -1
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@@ -1,5 +1,5 @@
/*
* Copyright (C) 2006-2012 Tobias Brunner
* Copyright (C) 2006-2013 Tobias Brunner
* Copyright (C) 2005-2009 Martin Willi
* Copyright (C) 2008 Andreas Steffen
* Copyright (C) 2006-2007 Fabian Hartmann, Noah Heusser
@@ -744,6 +744,17 @@ static struct xfrm_selector ts2selector(traffic_selector_t *src,
ts2subnet(src, &sel.saddr, &sel.prefixlen_s);
ts2ports(dst, &sel.dport, &sel.dport_mask);
ts2ports(src, &sel.sport, &sel.sport_mask);
if ((sel.proto == IPPROTO_ICMP || sel.proto == IPPROTO_ICMPV6) &&
(sel.dport || sel.sport))
{
/* the ICMP type is encoded in the most significant 8 bits and the ICMP
* code in the least significant 8 bits of the port. via XFRM we have
* to pass the ICMP type and code in the source and destination port
* fields, respectively. the port is in network byte order. */
u_int16_t port = max(sel.dport, sel.sport);
sel.sport = htons(port & 0xff);
sel.dport = htons(port >> 8);
}
sel.ifindex = 0;
sel.user = 0;