/usr/src/xtables-addons-1.40/ACCOUNT/iptaccount.c is in xtables-addons-dkms 1.40-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (C) 2004-2006 by Intra2net AG *
* opensource@intra2net.com *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU Lesser General Public License *
* version 2.1 as published by the Free Software Foundation; *
* *
***************************************************************************/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <getopt.h>
#include <signal.h>
#include <arpa/inet.h>
#include <linux/types.h>
#include <libxt_ACCOUNT_cl.h>
bool exit_now;
static void sig_term(int signr)
{
signal(SIGINT, SIG_IGN);
signal(SIGQUIT, SIG_IGN);
signal(SIGTERM, SIG_IGN);
exit_now = true;
}
static char *addr_to_dotted(unsigned int addr)
{
static char buf[16];
const unsigned char *bytep;
addr = htonl(addr);
bytep = (const unsigned char *)&addr;
snprintf(buf, sizeof(buf), "%u.%u.%u.%u", bytep[0], bytep[1], bytep[2], bytep[3]);
return buf;
}
static void show_usage(void)
{
printf("Unknown command line option. Try: [-u] [-h] [-a] [-f] [-c] [-s] [-l name]\n");
printf("[-u] show kernel handle usage\n");
printf("[-h] free all kernel handles (experts only!)\n\n");
printf("[-a] list all table names\n");
printf("[-l name] show data in table <name>\n");
printf("[-f] flush data after showing\n");
printf("[-c] loop every second (abort with CTRL+C)\n");
printf("[-s] CSV output (for spreadsheet import)\n");
printf("\n");
}
int main(int argc, char *argv[])
{
struct ipt_ACCOUNT_context ctx;
struct ipt_acc_handle_ip *entry;
int i;
char optchar;
bool doHandleUsage = false, doHandleFree = false, doTableNames = false;
bool doFlush = false, doContinue = false, doCSV = false;
char *table_name = NULL;
const char *name;
printf("\nlibxt_ACCOUNT_cl userspace accounting tool v%s\n\n",
LIBXT_ACCOUNT_VERSION);
if (argc == 1)
{
show_usage();
exit(0);
}
while ((optchar = getopt(argc, argv, "uhacfsl:")) != -1)
{
switch (optchar)
{
case 'u':
doHandleUsage = true;
break;
case 'h':
doHandleFree = true;
break;
case 'a':
doTableNames = true;
break;
case 'f':
doFlush = true;
break;
case 'c':
doContinue = true;
break;
case 's':
doCSV = true;
break;
case 'l':
table_name = strdup(optarg);
break;
case '?':
default:
show_usage();
exit(0);
break;
}
}
// install exit handler
if (signal(SIGTERM, sig_term) == SIG_ERR)
{
printf("can't install signal handler for SIGTERM\n");
exit(-1);
}
if (signal(SIGINT, sig_term) == SIG_ERR)
{
printf("can't install signal handler for SIGINT\n");
exit(-1);
}
if (signal(SIGQUIT, sig_term) == SIG_ERR)
{
printf("can't install signal handler for SIGQUIT\n");
exit(-1);
}
if (ipt_ACCOUNT_init(&ctx))
{
printf("Init failed: %s\n", ctx.error_str);
exit(-1);
}
// Get handle usage?
if (doHandleUsage)
{
int rtn = ipt_ACCOUNT_get_handle_usage(&ctx);
if (rtn < 0)
{
printf("get_handle_usage failed: %s\n", ctx.error_str);
exit(-1);
}
printf("Current kernel handle usage: %d\n", ctx.handle.itemcount);
}
if (doHandleFree)
{
int rtn = ipt_ACCOUNT_free_all_handles(&ctx);
if (rtn < 0)
{
printf("handle_free_all failed: %s\n", ctx.error_str);
exit(-1);
}
printf("Freed all handles in kernel space\n");
}
if (doTableNames)
{
int rtn = ipt_ACCOUNT_get_table_names(&ctx);
if (rtn < 0)
{
printf("get_table_names failed: %s\n", ctx.error_str);
exit(-1);
}
while ((name = ipt_ACCOUNT_get_next_name(&ctx)) != 0)
printf("Found table: %s\n", name);
}
if (table_name)
{
// Read out data
if (doCSV)
printf("IP;SRC packets;SRC bytes;DST packets;DST bytes\n");
else
printf("Showing table: %s\n", table_name);
i = 0;
while (!exit_now)
{
// Get entries from table test
if (ipt_ACCOUNT_read_entries(&ctx, table_name, !doFlush))
{
printf("Read failed: %s\n", ctx.error_str);
ipt_ACCOUNT_deinit(&ctx);
return EXIT_FAILURE;
}
if (!doCSV)
printf("Run #%d - %u %s found\n", i, ctx.handle.itemcount,
ctx.handle.itemcount == 1 ? "item" : "items");
// Output and free entries
while ((entry = ipt_ACCOUNT_get_next_entry(&ctx)) != NULL)
{
if (doCSV)
printf("%s;%u;%u;%u;%u\n",
addr_to_dotted(entry->ip), entry->src_packets, entry->src_bytes,
entry->dst_packets, entry->dst_bytes);
else
printf("IP: %s SRC packets: %u bytes: %u DST packets: %u bytes: %u\n",
addr_to_dotted(entry->ip), entry->src_packets, entry->src_bytes,
entry->dst_packets, entry->dst_bytes);
}
if (doContinue)
{
sleep(1);
i++;
} else
exit_now = true;
}
}
printf("Finished.\n");
ipt_ACCOUNT_deinit(&ctx);
return EXIT_SUCCESS;
}
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