From d2e942c76f87ea061d5e8643007f1d4c3ed39694 Mon Sep 17 00:00:00 2001
From: Pablo Neira Ayuso <pablo@netfilter.org>
Date: Thu, 10 May 2012 10:15:09 +0200
Subject: src: integrate nfct into the conntrack-tools tree

I'll need for the upcoming cthelper infrastructure. Moreover, we avoid
more fragmentation in the netfilter user-space utilities. And the plan
is that `nfct' will replace `conntrack' at some point.

Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
---
 src/nfct.c | 116 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 116 insertions(+)
 create mode 100644 src/nfct.c

(limited to 'src/nfct.c')

diff --git a/src/nfct.c b/src/nfct.c
new file mode 100644
index 0000000..db629e7
--- /dev/null
+++ b/src/nfct.c
@@ -0,0 +1,116 @@
+/*
+ * (C) 2012 by Pablo Neira Ayuso <pablo@netfilter.org>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published
+ * by the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This code has been sponsored by Vyatta Inc. <http://www.vyatta.com>
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <dirent.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <time.h>
+#include <netinet/in.h>
+#include <errno.h>
+
+#include <libmnl/libmnl.h>
+#include <linux/netfilter/nfnetlink_cttimeout.h>
+#include <libnetfilter_cttimeout/libnetfilter_cttimeout.h>
+
+#include "nfct.h"
+
+static int nfct_cmd_version(int argc, char *argv[]);
+static int nfct_cmd_help(int argc, char *argv[]);
+
+static void usage(char *argv[])
+{
+	fprintf(stderr, "Usage: %s subsystem command [parameters]...\n",
+		argv[0]);
+}
+
+void nfct_perror(const char *msg)
+{
+	if (errno == 0) {
+		fprintf(stderr, "nfct v%s: %s\n", VERSION, msg);
+	} else {
+		fprintf(stderr, "nfct v%s: %s: %s\n",
+			VERSION, msg, strerror(errno));
+	}
+}
+
+int main(int argc, char *argv[])
+{
+	int subsys = NFCT_SUBSYS_NONE, ret = 0;
+
+	if (argc < 2) {
+		usage(argv);
+		exit(EXIT_FAILURE);
+	}
+	if (strncmp(argv[1], "timeout", strlen(argv[1])) == 0) {
+		subsys = NFCT_SUBSYS_TIMEOUT;
+	} else if (strncmp(argv[1], "version", strlen(argv[1])) == 0)
+		subsys = NFCT_SUBSYS_VERSION;
+	else if (strncmp(argv[1], "help", strlen(argv[1])) == 0)
+		subsys = NFCT_SUBSYS_HELP;
+	else {
+		fprintf(stderr, "nfct v%s: Unknown subsystem: %s\n",
+			VERSION, argv[1]);
+		usage(argv);
+		exit(EXIT_FAILURE);
+	}
+
+	switch(subsys) {
+	case NFCT_SUBSYS_TIMEOUT:
+		ret = nfct_cmd_timeout_parse_params(argc, argv);
+		break;
+	case NFCT_SUBSYS_VERSION:
+		ret = nfct_cmd_version(argc, argv);
+		break;
+	case NFCT_SUBSYS_HELP:
+		ret = nfct_cmd_help(argc, argv);
+		break;
+	}
+	return ret < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
+}
+
+static const char version_msg[] =
+	"nfct v%s: utility for the Netfilter's Connection Tracking System\n"
+	"Copyright (C) 2012 Pablo Neira Ayuso <pablo@netfilter.org>\n"
+	"This program comes with ABSOLUTELY NO WARRANTY.\n"
+	"This is free software, and you are welcome to redistribute it under "
+	"certain \nconditions; see LICENSE file distributed in this package "
+	"for details.\n";
+
+static int nfct_cmd_version(int argc, char *argv[])
+{
+	printf(version_msg, VERSION);
+	return 0;
+}
+
+static const char help_msg[] =
+	"nfct v%s: utility for the Netfilter's Connection Tracking System\n"
+	"Usage: %s command [parameters]...\n\n"
+	"Subsystem:\n"
+	"  timeout\t\tAllows definition of fine-grain timeout policies\n"
+	"  version\t\tDisplay version and disclaimer\n"
+	"  help\t\t\tDisplay this help message\n"
+	"Commands:\n"
+	"  list [reset]\t\tList the accounting object table (and reset)\n"
+	"  add object-name\tAdd new accounting object to table\n"
+	"  delete object-name\tDelete existing accounting object\n"
+	"  get object-name\tGet existing accounting object\n"
+	"  flush\t\t\tFlush accounting object table\n";
+
+static int nfct_cmd_help(int argc, char *argv[])
+{
+	printf(help_msg, VERSION, argv[0]);
+	return 0;
+}
-- 
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