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authorTimothy Pearson <tpearson@raptorengineering.com>2017-08-23 14:45:25 -0500
committerTimothy Pearson <tpearson@raptorengineering.com>2017-08-23 14:45:25 -0500
commitfcbb27b0ec6dcbc5a5108cb8fb19eae64593d204 (patch)
tree22962a4387943edc841c72a4e636a068c66d58fd /net/netfilter/nf_conntrack_proto_generic.c
downloadast2050-linux-kernel-fcbb27b0ec6dcbc5a5108cb8fb19eae64593d204.zip
ast2050-linux-kernel-fcbb27b0ec6dcbc5a5108cb8fb19eae64593d204.tar.gz
Initial import of modified Linux 2.6.28 tree
Original upstream URL: git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git | branch linux-2.6.28.y
Diffstat (limited to 'net/netfilter/nf_conntrack_proto_generic.c')
-rw-r--r--net/netfilter/nf_conntrack_proto_generic.c109
1 files changed, 109 insertions, 0 deletions
diff --git a/net/netfilter/nf_conntrack_proto_generic.c b/net/netfilter/nf_conntrack_proto_generic.c
new file mode 100644
index 0000000..dbe680a
--- /dev/null
+++ b/net/netfilter/nf_conntrack_proto_generic.c
@@ -0,0 +1,109 @@
+/* (C) 1999-2001 Paul `Rusty' Russell
+ * (C) 2002-2004 Netfilter Core Team <coreteam@netfilter.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/types.h>
+#include <linux/jiffies.h>
+#include <linux/timer.h>
+#include <linux/netfilter.h>
+#include <net/netfilter/nf_conntrack_l4proto.h>
+
+static unsigned int nf_ct_generic_timeout __read_mostly = 600*HZ;
+
+static bool generic_pkt_to_tuple(const struct sk_buff *skb,
+ unsigned int dataoff,
+ struct nf_conntrack_tuple *tuple)
+{
+ tuple->src.u.all = 0;
+ tuple->dst.u.all = 0;
+
+ return true;
+}
+
+static bool generic_invert_tuple(struct nf_conntrack_tuple *tuple,
+ const struct nf_conntrack_tuple *orig)
+{
+ tuple->src.u.all = 0;
+ tuple->dst.u.all = 0;
+
+ return true;
+}
+
+/* Print out the per-protocol part of the tuple. */
+static int generic_print_tuple(struct seq_file *s,
+ const struct nf_conntrack_tuple *tuple)
+{
+ return 0;
+}
+
+/* Returns verdict for packet, or -1 for invalid. */
+static int packet(struct nf_conn *ct,
+ const struct sk_buff *skb,
+ unsigned int dataoff,
+ enum ip_conntrack_info ctinfo,
+ u_int8_t pf,
+ unsigned int hooknum)
+{
+ nf_ct_refresh_acct(ct, ctinfo, skb, nf_ct_generic_timeout);
+ return NF_ACCEPT;
+}
+
+/* Called when a new connection for this protocol found. */
+static bool new(struct nf_conn *ct, const struct sk_buff *skb,
+ unsigned int dataoff)
+{
+ return true;
+}
+
+#ifdef CONFIG_SYSCTL
+static struct ctl_table_header *generic_sysctl_header;
+static struct ctl_table generic_sysctl_table[] = {
+ {
+ .procname = "nf_conntrack_generic_timeout",
+ .data = &nf_ct_generic_timeout,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec_jiffies,
+ },
+ {
+ .ctl_name = 0
+ }
+};
+#ifdef CONFIG_NF_CONNTRACK_PROC_COMPAT
+static struct ctl_table generic_compat_sysctl_table[] = {
+ {
+ .procname = "ip_conntrack_generic_timeout",
+ .data = &nf_ct_generic_timeout,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = &proc_dointvec_jiffies,
+ },
+ {
+ .ctl_name = 0
+ }
+};
+#endif /* CONFIG_NF_CONNTRACK_PROC_COMPAT */
+#endif /* CONFIG_SYSCTL */
+
+struct nf_conntrack_l4proto nf_conntrack_l4proto_generic __read_mostly =
+{
+ .l3proto = PF_UNSPEC,
+ .l4proto = 0,
+ .name = "unknown",
+ .pkt_to_tuple = generic_pkt_to_tuple,
+ .invert_tuple = generic_invert_tuple,
+ .print_tuple = generic_print_tuple,
+ .packet = packet,
+ .new = new,
+#ifdef CONFIG_SYSCTL
+ .ctl_table_header = &generic_sysctl_header,
+ .ctl_table = generic_sysctl_table,
+#ifdef CONFIG_NF_CONNTRACK_PROC_COMPAT
+ .ctl_compat_table = generic_compat_sysctl_table,
+#endif
+#endif
+};
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