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git://git.code.sf.net/p/xtables-addons/xtables-addons
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ACCOUNT: import userspace utilities
This commit is contained in:
Jan Rafaj
committed by
Jan Engelhardt
Jan Engelhardt
parent
5cb36ed213
commit
a260e3349f
221
extensions/ACCOUNT/iptaccount.c
Normal file
221
extensions/ACCOUNT/iptaccount.c
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@@ -0,0 +1,221 @@
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/***************************************************************************
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* Copyright (C) 2004-2006 by Intra2net AG *
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* opensource@intra2net.com *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU Lesser General Public License *
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* version 2.1 as published by the Free Software Foundation; *
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* *
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***************************************************************************/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include <getopt.h>
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#include <signal.h>
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#include <libxt_ACCOUNT_cl.h>
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char exit_now = 0;
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static void sig_term(int signr)
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{
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signal(SIGINT, SIG_IGN);
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signal(SIGQUIT, SIG_IGN);
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signal(SIGTERM, SIG_IGN);
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exit_now=1;
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}
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char *addr_to_dotted(unsigned int);
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char *addr_to_dotted(unsigned int addr)
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{
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static char buf[17];
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const unsigned char *bytep;
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bytep = (const unsigned char *) &addr;
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snprintf(buf, 16, "%u.%u.%u.%u", bytep[0], bytep[1], bytep[2], bytep[3]);
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buf[16] = 0;
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return buf;
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}
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static void show_usage(void)
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{
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printf ("Unknown command line option. Try: [-u] [-h] [-a] [-f] [-c] [-s] [-l name]\n");
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printf("[-u] show kernel handle usage\n");
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printf("[-h] free all kernel handles (experts only!)\n\n");
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printf("[-a] list all table names\n");
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printf("[-l name] show data in table <name>\n");
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printf("[-f] flush data after showing\n");
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printf("[-c] loop every second (abort with CTRL+C)\n");
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printf("[-s] CSV output (for spreadsheet import)\n");
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printf("\n");
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}
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int main(int argc, char *argv[])
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{
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struct ipt_ACCOUNT_context ctx;
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struct ipt_acc_handle_ip *entry;
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int i;
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char optchar, doHandleUsage=0, doHandleFree=0, doTableNames=0,
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doFlush=0, doContinue=0, doCSV=0;
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char *table_name = NULL;
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const char *name;
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printf("\nlibxt_ACCOUNT_cl userspace accounting tool v%s\n\n",
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LIBXT_ACCOUNT_VERSION);
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if (argc == 1)
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{
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show_usage();
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exit(0);
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}
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while ((optchar = getopt (argc, argv, "uhacfsl:")) != -1)
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{
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switch (optchar)
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{
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case 'u':
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doHandleUsage=1;
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break;
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case 'h':
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doHandleFree=1;
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break;
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case 'a':
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doTableNames=1;
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break;
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case 'f':
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doFlush=1;
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break;
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case 'c':
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doContinue=1;
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break;
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case 's':
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doCSV=1;
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break;
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case 'l':
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table_name = (char *)strdup(optarg);
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break;
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case '?':
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default:
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show_usage();
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exit (0);
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break;
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}
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}
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// install exit handler
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if (signal(SIGTERM, sig_term) == SIG_ERR)
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{
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printf("can't install signal handler for SIGTERM\n");
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exit (-1);
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}
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if (signal(SIGINT, sig_term) == SIG_ERR)
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{
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printf("can't install signal handler for SIGINT\n");
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exit (-1);
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}
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if (signal(SIGQUIT, sig_term) == SIG_ERR)
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{
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printf("can't install signal handler for SIGQUIT\n");
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exit (-1);
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}
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if(ipt_ACCOUNT_init(&ctx))
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{
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printf("Init failed: %s\n", ctx.error_str);
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exit (-1);
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}
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// Get handle usage?
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if (doHandleUsage)
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{
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int rtn = ipt_ACCOUNT_get_handle_usage(&ctx);
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if (rtn < 0)
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{
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printf("get_handle_usage failed: %s\n", ctx.error_str);
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exit (-1);
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}
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printf("Current kernel handle usage: %d\n", ctx.handle.itemcount);
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}
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if (doHandleFree)
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{
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int rtn = ipt_ACCOUNT_free_all_handles(&ctx);
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if (rtn < 0)
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{
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printf("handle_free_all failed: %s\n", ctx.error_str);
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exit (-1);
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}
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printf("Freed all handles in kernel space\n");
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}
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if (doTableNames)
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{
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int rtn = ipt_ACCOUNT_get_table_names(&ctx);
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if (rtn < 0)
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{
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printf("get_table_names failed: %s\n", ctx.error_str);
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exit (-1);
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}
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while ((name = ipt_ACCOUNT_get_next_name(&ctx)) != 0)
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printf("Found table: %s\n", name);
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}
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if (table_name)
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{
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// Read out data
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if (doCSV)
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printf("IP;SRC packets;SRC bytes;DST packets;DST bytes\n");
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else
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printf("Showing table: %s\n", table_name);
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i = 0;
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while (!exit_now)
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{
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// Get entries from table test
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if (ipt_ACCOUNT_read_entries(&ctx, table_name, !doFlush))
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{
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printf("Read failed: %s\n", ctx.error_str);
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ipt_ACCOUNT_deinit(&ctx);
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exit (-1);
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}
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if (!doCSV)
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printf("Run #%d - %u %s found\n", i, ctx.handle.itemcount,
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ctx.handle.itemcount == 1 ? "item" : "items");
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// Output and free entries
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while ((entry = ipt_ACCOUNT_get_next_entry(&ctx)) != NULL)
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{
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if (doCSV)
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printf("%s;%u;%u;%u;%u\n",
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addr_to_dotted(entry->ip), entry->src_packets, entry->src_bytes,
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entry->dst_packets, entry->dst_bytes);
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else
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printf("IP: %s SRC packets: %u bytes: %u DST packets: %u bytes: %u\n",
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addr_to_dotted(entry->ip), entry->src_packets, entry->src_bytes,
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entry->dst_packets, entry->dst_bytes);
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}
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if (doContinue)
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{
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sleep(1);
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i++;
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} else
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exit_now = 1;
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}
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}
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printf("Finished.\n");
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ipt_ACCOUNT_deinit(&ctx);
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exit (0);
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}
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