1 files changed, 182 insertions, 0 deletions
diff --git a/net/ipv6/netfilter/ip6table_raw.c b/net/ipv6/netfilter/ip6table_raw.c
new file mode 100644
index 000000000000..71407beaf790
--- /dev/null
+++ b/net/ipv6/netfilter/ip6table_raw.c
@@ -0,0 +1,182 @@
+/*
+ * IPv6 raw table, a port of the IPv4 raw table to IPv6
+ *
+ * Copyright (C) 2003 Jozsef Kadlecsik <kadlec@blackhole.kfki.hu>
+ */
+#include <linux/module.h>
+#include <linux/netfilter_ipv6/ip6_tables.h>
+
+#define RAW_VALID_HOOKS ((1 << NF_IP6_PRE_ROUTING) | (1 << NF_IP6_LOCAL_OUT))
+
+#if 0
+#define DEBUGP(x, args...)	printk(KERN_DEBUG x, ## args)
+#else
+#define DEBUGP(x, args...)
+#endif
+
+/* Standard entry. */
+struct ip6t_standard
+{
+	struct ip6t_entry entry;
+	struct ip6t_standard_target target;
+};
+
+struct ip6t_error_target
+{
+	struct ip6t_entry_target target;
+	char errorname[IP6T_FUNCTION_MAXNAMELEN];
+};
+
+struct ip6t_error
+{
+	struct ip6t_entry entry;
+	struct ip6t_error_target target;
+};
+
+static struct
+{
+	struct ip6t_replace repl;
+	struct ip6t_standard entries[2];
+	struct ip6t_error term;
+} initial_table __initdata = {
+	.repl = {
+		.name = "raw",
+		.valid_hooks = RAW_VALID_HOOKS,
+		.num_entries = 3,
+		.size = sizeof(struct ip6t_standard) * 2 + sizeof(struct ip6t_error),
+		.hook_entry = {
+			[NF_IP6_PRE_ROUTING] = 0,
+			[NF_IP6_LOCAL_OUT] = sizeof(struct ip6t_standard)
+		},
+		.underflow = {
+			[NF_IP6_PRE_ROUTING] = 0,
+			[NF_IP6_LOCAL_OUT] = sizeof(struct ip6t_standard)
+		},
+	},
+	.entries = {
+		/* PRE_ROUTING */
+		{
+			.entry = {
+				.target_offset = sizeof(struct ip6t_entry),
+				.next_offset = sizeof(struct ip6t_standard),
+			},
+			.target = {
+				.target = {
+					.u = {
+						.target_size = IP6T_ALIGN(sizeof(struct ip6t_standard_target)),
+					},
+				},
+				.verdict = -NF_ACCEPT - 1,
+			},
+		},
+
+		/* LOCAL_OUT */
+		{
+			.entry = {
+				.target_offset = sizeof(struct ip6t_entry),
+				.next_offset = sizeof(struct ip6t_standard),
+			},
+			.target = {
+				.target = {
+					.u = {
+						.target_size = IP6T_ALIGN(sizeof(struct ip6t_standard_target)),
+					},
+				},
+				.verdict = -NF_ACCEPT - 1,
+			},
+		},
+	},
+	/* ERROR */
+	.term = {
+		.entry = {
+			.target_offset = sizeof(struct ip6t_entry),
+			.next_offset = sizeof(struct ip6t_error),
+		},
+		.target = {
+			.target = {
+				.u = {
+					.user = {
+						.target_size = IP6T_ALIGN(sizeof(struct ip6t_error_target)),
+						.name = IP6T_ERROR_TARGET,
+					},
+				},
+			},
+			.errorname = "ERROR",
+		},
+	}
+};
+
+static struct ip6t_table packet_raw = { 
+	.name = "raw", 
+	.valid_hooks = RAW_VALID_HOOKS, 
+	.lock = RW_LOCK_UNLOCKED, 
+	.me = THIS_MODULE
+};
+
+/* The work comes in here from netfilter.c. */
+static unsigned int
+ip6t_hook(unsigned int hook,
+	 struct sk_buff **pskb,
+	 const struct net_device *in,
+	 const struct net_device *out,
+	 int (*okfn)(struct sk_buff *))
+{
+	return ip6t_do_table(pskb, hook, in, out, &packet_raw, NULL);
+}
+
+static struct nf_hook_ops ip6t_ops[] = { 
+	{
+	  .hook = ip6t_hook, 
+	  .pf = PF_INET6,
+	  .hooknum = NF_IP6_PRE_ROUTING,
+	  .priority = NF_IP6_PRI_FIRST
+	},
+	{
+	  .hook = ip6t_hook, 
+	  .pf = PF_INET6, 
+	  .hooknum = NF_IP6_LOCAL_OUT,
+	  .priority = NF_IP6_PRI_FIRST
+	},
+};
+
+static int __init init(void)
+{
+	int ret;
+
+	/* Register table */
+	ret = ip6t_register_table(&packet_raw, &initial_table.repl);
+	if (ret < 0)
+		return ret;
+
+	/* Register hooks */
+	ret = nf_register_hook(&ip6t_ops[0]);
+	if (ret < 0)
+		goto cleanup_table;
+
+	ret = nf_register_hook(&ip6t_ops[1]);
+	if (ret < 0)
+		goto cleanup_hook0;
+
+	return ret;
+
+ cleanup_hook0:
+	nf_unregister_hook(&ip6t_ops[0]);
+ cleanup_table:
+	ip6t_unregister_table(&packet_raw);
+
+	return ret;
+}
+
+static void __exit fini(void)
+{
+	unsigned int i;
+
+	for (i = 0; i < sizeof(ip6t_ops)/sizeof(struct nf_hook_ops); i++)
+		nf_unregister_hook(&ip6t_ops[i]);
+
+	ip6t_unregister_table(&packet_raw);
+}
+
+module_init(init);
+module_exit(fini);
+MODULE_LICENSE("GPL");