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-rw-r--r--extensions/ebt_AUDIT.c110
1 files changed, 110 insertions, 0 deletions
diff --git a/extensions/ebt_AUDIT.c b/extensions/ebt_AUDIT.c
new file mode 100644
index 0000000..c9befcc
--- /dev/null
+++ b/extensions/ebt_AUDIT.c
@@ -0,0 +1,110 @@
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <getopt.h>
+#include "../include/ebtables_u.h"
+#include <linux/netfilter/xt_AUDIT.h>
+
+#define AUDIT_TYPE '1'
+static struct option opts[] =
+{
+ { "audit-type" , required_argument, 0, AUDIT_TYPE },
+ { 0 }
+};
+
+static void print_help()
+{
+ printf(
+ "AUDIT target options:\n"
+ " --audit-type TYPE : Set action type to record.\n");
+}
+
+static void init(struct ebt_entry_target *target)
+{
+ struct xt_AUDIT_info *info = (struct xt_AUDIT_info *) target->data;
+
+ info->type = 0;
+}
+
+static int parse(int c, char **argv, int argc,
+ const struct ebt_u_entry *entry, unsigned int *flags,
+ struct ebt_entry_target **target)
+{
+ struct xt_AUDIT_info *info = (struct xt_AUDIT_info *) (*target)->data;
+
+ switch (c) {
+ case AUDIT_TYPE:
+ ebt_check_option2(flags, AUDIT_TYPE);
+
+ if (!strcasecmp(optarg, "accept"))
+ info->type = XT_AUDIT_TYPE_ACCEPT;
+ else if (!strcasecmp(optarg, "drop"))
+ info->type = XT_AUDIT_TYPE_DROP;
+ else if (!strcasecmp(optarg, "reject"))
+ info->type = XT_AUDIT_TYPE_REJECT;
+ else
+ ebt_print_error2("Bad action type value `%s'", optarg);
+
+ break;
+ default:
+ return 0;
+ }
+ return 1;
+}
+
+static void final_check(const struct ebt_u_entry *entry,
+ const struct ebt_entry_target *target, const char *name,
+ unsigned int hookmask, unsigned int time)
+{
+}
+
+static void print(const struct ebt_u_entry *entry,
+ const struct ebt_entry_target *target)
+{
+ const struct xt_AUDIT_info *info =
+ (const struct xt_AUDIT_info *) target->data;
+
+ printf("--audit-type ");
+
+ switch(info->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 int compare(const struct ebt_entry_target *t1,
+ const struct ebt_entry_target *t2)
+{
+ const struct xt_AUDIT_info *info1 =
+ (const struct xt_AUDIT_info *) t1->data;
+ const struct xt_AUDIT_info *info2 =
+ (const struct xt_AUDIT_info *) t2->data;
+
+ return info1->type == info2->type;
+}
+
+static struct ebt_u_target AUDIT_target =
+{
+ .name = "AUDIT",
+ .size = sizeof(struct xt_AUDIT_info),
+ .help = print_help,
+ .init = init,
+ .parse = parse,
+ .final_check = final_check,
+ .print = print,
+ .compare = compare,
+ .extra_ops = opts,
+};
+
+static void _INIT(void)
+{
+ ebt_register_target(&AUDIT_target);
+}