first step forward to merge conntrackd and conntrack into the same building chain

1 files changed, 35 insertions, 0 deletions

diff --git a/src/state_helper_tcp.c b/src/state_helper_tcp.c
new file mode 100644
index 0000000..af714dc
--- /dev/null
+++ b/src/state_helper_tcp.c
@@ -0,0 +1,35 @@
+/*
+ * (C) 2006-2007 by Pablo Neira Ayuso <pablo@netfilter.org>
+ * 
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include "conntrackd.h"
+#include "state_helper.h"
+
+static int tcp_verdict(const struct state_replication_helper *h,
+		       const struct nf_conntrack *ct)
+{
+	u_int8_t state = nfct_get_attr_u8(ct, ATTR_TCP_STATE);
+	if (h->state & (1 << state))
+		return ST_H_REPLICATE;
+
+	return ST_H_SKIP;
+}
+
+struct state_replication_helper tcp_state_helper = {
+	.proto 		= IPPROTO_TCP,
+	.verdict 	= tcp_verdict,
+};