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Make syncookie_mac() use 'tcp_seq irs' in computing hash.

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This fixes what seems like a simple oversight when the function was added in
r253210.

Reported by:            Daniel Borkmann <dborkman@redhat.com>
                        Florian Westphal <fw@strlen.de>
Differential Revision:  https://reviews.freebsd.org/D1628
Reviewed by:            gnn
MFC after:              1 month
Sponsored by:           Limelight Networks
This commit is contained in:
Hiren Panchasara 2015-01-30 17:29:07 +00:00
parent c47ef15f23
commit ec446b1375
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=277938
1 changed files with 1 additions and 0 deletions
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sys/netinet/tcp_syncache.c
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@ -1742,6 +1742,7 @@ syncookie_mac(struct in_conninfo *inc, tcp_seq irs, uint8_t flags,
}
SipHash_Update(&ctx, &inc->inc_fport, sizeof(inc->inc_fport));
SipHash_Update(&ctx, &inc->inc_lport, sizeof(inc->inc_lport));
SipHash_Update(&ctx, &irs, sizeof(irs));
SipHash_Update(&ctx, &flags, sizeof(flags));
SipHash_Update(&ctx, &secmod, sizeof(secmod));
SipHash_Final((u_int8_t *)&siphash, &ctx);