1 files changed, 101 insertions, 0 deletions
diff --git a/extensions/libxt_AUDIT.c b/extensions/libxt_AUDIT.c
new file mode 100644
index 0000000..86a61cb
--- /dev/null
+++ b/extensions/libxt_AUDIT.c
@@ -0,0 +1,101 @@
+/* Shared library add-on to xtables for AUDIT
+ *
+ * (C) 2010-2011, Thomas Graf <tgraf@redhat.com>
+ * (C) 2010-2011, Red Hat, Inc.
+ *
+ * This program is distributed under the terms of GNU GPL v2, 1991
+ */
+#include <stdio.h>
+#include <string.h>
+#include <xtables.h>
+#include <linux/netfilter/xt_AUDIT.h>
+
+enum {
+	O_AUDIT_TYPE = 0,
+};
+
+static void audit_help(void)
+{
+	printf(
+"AUDIT target options\n"
+"  --type TYPE		Action type to be recorded.\n");
+}
+
+static const struct xt_option_entry audit_opts[] = {
+	{.name = "type", .id = O_AUDIT_TYPE, .type = XTTYPE_STRING,
+	 .flags = XTOPT_MAND},
+	XTOPT_TABLEEND,
+};
+
+static void audit_parse(struct xt_option_call *cb)
+{
+	struct xt_audit_info *einfo = cb->data;
+
+	xtables_option_parse(cb);
+	if (strcasecmp(cb->arg, "accept") == 0)
+		einfo->type = XT_AUDIT_TYPE_ACCEPT;
+	else if (strcasecmp(cb->arg, "drop") == 0)
+		einfo->type = XT_AUDIT_TYPE_DROP;
+	else if (strcasecmp(cb->arg, "reject") == 0)
+		einfo->type = XT_AUDIT_TYPE_REJECT;
+	else
+		xtables_error(PARAMETER_PROBLEM,
+			   "Bad action type value \"%s\"", cb->arg);
+}
+
+static void audit_print(const void *ip, const struct xt_entry_target *target,
+                      int numeric)
+{
+	const struct xt_audit_info *einfo =
+		(const struct xt_audit_info *)target->data;
+
+	printf(" AUDIT ");
+
+	switch(einfo->type) {
+	case XT_AUDIT_TYPE_ACCEPT:
+		printf("accept");
+		break;
+	case XT_AUDIT_TYPE_DROP:
+		printf("drop");
+		break;
+	case XT_AUDIT_TYPE_REJECT:
+		printf("reject");
+		break;
+	}
+}
+
+static void audit_save(const void *ip, const struct xt_entry_target *target)
+{
+	const struct xt_audit_info *einfo =
+		(const struct xt_audit_info *)target->data;
+
+	switch(einfo->type) {
+	case XT_AUDIT_TYPE_ACCEPT:
+		printf(" --type accept");
+		break;
+	case XT_AUDIT_TYPE_DROP:
+		printf(" --type drop");
+		break;
+	case XT_AUDIT_TYPE_REJECT:
+		printf(" --type reject");
+		break;
+	}
+}
+
+static struct xtables_target audit_tg_reg = {
+	.name		= "AUDIT",
+	.version	= XTABLES_VERSION,
+	.family		= NFPROTO_UNSPEC,
+	.size		= XT_ALIGN(sizeof(struct xt_audit_info)),
+	.userspacesize	= XT_ALIGN(sizeof(struct xt_audit_info)),
+	.help		= audit_help,
+	.print		= audit_print,
+	.save		= audit_save,
+	.x6_parse	= audit_parse,
+	.x6_options	= audit_opts,
+};
+
+void _init(void)
+{
+	xtables_register_target(&audit_tg_reg);
+}