From 48fbc6783e1d6da18fb376333229f1052215471e Mon Sep 17 00:00:00 2001 From: Josh Hunt Date: Sun, 8 Jul 2012 11:11:22 -0700 Subject: [PATCH] TARPIT: move XTTARPIT_RESET to its own function Moves XTTARPIT_RESET into its own function. Signed-off-by: Josh Hunt --- extensions/xt_TARPIT.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/extensions/xt_TARPIT.c b/extensions/xt_TARPIT.c index 93e5540..2499af2 100644 --- a/extensions/xt_TARPIT.c +++ b/extensions/xt_TARPIT.c @@ -132,6 +132,16 @@ static bool xttarpit_honeypot(struct tcphdr *tcph, const struct tcphdr *oth, return true; } +static void xttarpit_reset(struct tcphdr *tcph, const struct tcphdr *oth) +{ + tcph->window = 0; + tcph->ack = false; + tcph->syn = false; + tcph->rst = true; + tcph->seq = oth->ack_seq; + tcph->ack_seq = oth->seq; +} + static void tarpit_tcp(struct sk_buff *oldskb, unsigned int hook, unsigned int mode) { @@ -205,12 +215,7 @@ static void tarpit_tcp(struct sk_buff *oldskb, unsigned int hook, if (!xttarpit_honeypot(tcph, oth, payload)) return; } else if (mode == XTTARPIT_RESET) { - tcph->window = 0; - tcph->ack = false; - tcph->syn = false; - tcph->rst = true; - tcph->seq = oth->ack_seq; - tcph->ack_seq = oth->seq; + xttarpit_reset(tcph, oth); } /* Adjust TCP checksum */