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1 files changed, 50 insertions, 0 deletions

diff --git a/iptables-multi.c b/iptables-multi.c
new file mode 100644
index 0000000..4dcc26d
--- /dev/null
+++ b/iptables-multi.c
@@ -0,0 +1,50 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <libgen.h>
+
+int iptables_main(int argc, char **argv);
+int iptables_save_main(int argc, char **argv);
+int iptables_restore_main(int argc, char **argv);
+int iptables_xml_main(int argc, char **argv);
+
+int main(int argc, char **argv)
+{
+	char *progname;
+
+	if (argc < 1) {
+		fprintf(stderr, "ERROR: This should not happen.\n");
+		exit(EXIT_FAILURE);
+	}
+
+	progname = basename(argv[0]);
+	if (strcmp(progname, "iptables") == 0)
+		return iptables_main(argc, argv);
+	if (strcmp(progname, "iptables-save") == 0)
+		return iptables_save_main(argc, argv);
+	if (strcmp(progname, "iptables-restore") == 0)
+		return iptables_restore_main(argc, argv);
+	if (strcmp(progname, "iptables-xml") == 0)
+		return iptables_xml_main(argc, argv);
+
+	++argv;
+	--argc;
+	if (argc < 1) {
+		fprintf(stderr, "ERROR: No subcommand given.\n");
+		exit(EXIT_FAILURE);
+	}
+
+	progname = basename(argv[0]);
+	if (strcmp(progname, "main") == 0)
+		return iptables_main(argc, argv);
+	if (strcmp(progname, "save") == 0)
+		return iptables_save_main(argc, argv);
+	if (strcmp(progname, "restore") == 0)
+		return iptables_restore_main(argc, argv);
+	if (strcmp(progname, "xml") == 0)
+		return iptables_xml_main(argc, argv);
+
+	fprintf(stderr, "iptables multi-purpose version: "
+	        "unknown subcommand \"%s\"\n", progname);
+	exit(EXIT_FAILURE);
+}