| 1 | /*************************************************************************** |
| 2 | * Copyright (C) 2004 by Intra2net AG * |
| 3 | * opensource@intra2net.com * |
| 4 | * * |
| 5 | * This program is free software; you can redistribute it and/or modify * |
| 6 | * it under the terms of the GNU Lesser General Public License * |
| 7 | * version 2.1 as published by the Free Software Foundation; * |
| 8 | * * |
| 9 | ***************************************************************************/ |
| 10 | |
| 11 | #ifdef HAVE_CONFIG_H |
| 12 | #include <config.h> |
| 13 | #endif |
| 14 | |
| 15 | #include <stdio.h> |
| 16 | #include <stdlib.h> |
| 17 | #include <getopt.h> |
| 18 | #include <signal.h> |
| 19 | |
| 20 | #include <ipt_ACCOUNT_cl.h> |
| 21 | |
| 22 | char exit_now = 0; |
| 23 | static void sig_term(int signr) |
| 24 | { |
| 25 | signal(SIGINT, SIG_IGN); |
| 26 | signal(SIGQUIT, SIG_IGN); |
| 27 | signal(SIGTERM, SIG_IGN); |
| 28 | |
| 29 | exit_now=1; |
| 30 | } |
| 31 | |
| 32 | char *addr_to_dotted(unsigned int addr) |
| 33 | { |
| 34 | static char buf[17]; |
| 35 | const unsigned char *bytep; |
| 36 | |
| 37 | bytep = (const unsigned char *) &addr; |
| 38 | snprintf(buf, 16, "%u.%u.%u.%u", bytep[0], bytep[1], bytep[2], bytep[3]); |
| 39 | buf[16] = 0; |
| 40 | return buf; |
| 41 | } |
| 42 | |
| 43 | void show_usage(void) |
| 44 | { |
| 45 | printf ("Unknown command line option. Try: [-u] [-h] [-a] [-f] [-l name]\n"); |
| 46 | printf("[-u] show kernel handle usage\n"); |
| 47 | printf("[-h] free all kernel handles (experts only!)\n"); |
| 48 | printf("[-a] list all table names\n\n"); |
| 49 | printf("[-l name] show table data\n"); |
| 50 | printf("[-f] flush data after show\n"); |
| 51 | printf("[-c] loop every second (abort with CTRL+C)\n"); |
| 52 | printf("\n"); |
| 53 | } |
| 54 | |
| 55 | int main(int argc, char *argv[]) |
| 56 | { |
| 57 | struct ipt_ACCOUNT_context ctx; |
| 58 | struct ipt_acc_handle_ip *entry; |
| 59 | int i; |
| 60 | char optchar, doHandleUsage=0, doHandleFree=0, doTableNames=0, |
| 61 | doFlush=0, doContinue=0; |
| 62 | |
| 63 | char *table_name = NULL; |
| 64 | |
| 65 | printf("\nipt_ACCOUNT userspace accounting tool v%s\n\n", VERSION); |
| 66 | |
| 67 | if (argc == 1) |
| 68 | { |
| 69 | show_usage(); |
| 70 | exit(0); |
| 71 | } |
| 72 | |
| 73 | while ((optchar = getopt (argc, argv, "uhacfl:")) != -1) |
| 74 | { |
| 75 | switch (optchar) |
| 76 | { |
| 77 | case 'u': |
| 78 | doHandleUsage=1; |
| 79 | break; |
| 80 | case 'h': |
| 81 | doHandleFree=1; |
| 82 | break; |
| 83 | case 'a': |
| 84 | doTableNames=1; |
| 85 | break; |
| 86 | case 'f': |
| 87 | doFlush=1; |
| 88 | break; |
| 89 | case 'c': |
| 90 | doContinue=1; |
| 91 | break; |
| 92 | case 'l': |
| 93 | table_name = (char *)strdup(optarg); |
| 94 | break; |
| 95 | case '?': |
| 96 | default: |
| 97 | show_usage(); |
| 98 | exit (0); |
| 99 | break; |
| 100 | } |
| 101 | } |
| 102 | |
| 103 | // install exit handler |
| 104 | if (signal(SIGTERM, sig_term) == SIG_ERR) |
| 105 | { |
| 106 | printf("can't install signal handler for SIGTERM\n"); |
| 107 | exit (-1); |
| 108 | } |
| 109 | if (signal(SIGINT, sig_term) == SIG_ERR) |
| 110 | { |
| 111 | printf("can't install signal handler for SIGINT\n"); |
| 112 | exit (-1); |
| 113 | } |
| 114 | if (signal(SIGQUIT, sig_term) == SIG_ERR) |
| 115 | { |
| 116 | printf("can't install signal handler for SIGQUIT\n"); |
| 117 | exit (-1); |
| 118 | } |
| 119 | |
| 120 | |
| 121 | if(ipt_ACCOUNT_init(&ctx)) |
| 122 | { |
| 123 | printf("Init failed: %s\n", ctx.error_str); |
| 124 | exit (-1); |
| 125 | } |
| 126 | |
| 127 | // Get handle usage? |
| 128 | if (doHandleUsage) |
| 129 | { |
| 130 | int rtn = ipt_ACCOUNT_get_handle_usage(&ctx); |
| 131 | if (rtn < 0) |
| 132 | { |
| 133 | printf("get_handle_usage failed: %s\n", ctx.error_str); |
| 134 | exit (-1); |
| 135 | } |
| 136 | |
| 137 | printf("Current kernel handle usage: %d\n", ctx.handle.itemcount); |
| 138 | } |
| 139 | |
| 140 | if (doHandleFree) |
| 141 | { |
| 142 | int rtn = ipt_ACCOUNT_free_all_handles(&ctx); |
| 143 | if (rtn < 0) |
| 144 | { |
| 145 | printf("handle_free_all failed: %s\n", ctx.error_str); |
| 146 | exit (-1); |
| 147 | } |
| 148 | |
| 149 | printf("Freed all handles in kernel space\n"); |
| 150 | } |
| 151 | |
| 152 | if (doTableNames) |
| 153 | { |
| 154 | int rtn = ipt_ACCOUNT_get_table_names(&ctx); |
| 155 | if (rtn < 0) |
| 156 | { |
| 157 | printf("get_table_names failed: %s\n", ctx.error_str); |
| 158 | exit (-1); |
| 159 | } |
| 160 | const char *name; |
| 161 | while ((name = ipt_ACCOUNT_get_next_name(&ctx)) != 0) |
| 162 | printf("Found table: %s\n", name); |
| 163 | } |
| 164 | |
| 165 | if (table_name) |
| 166 | { |
| 167 | // Read out data |
| 168 | printf("Showing table: %s\n", table_name); |
| 169 | i = 0; |
| 170 | while (!exit_now) |
| 171 | { |
| 172 | // Get entries from table test |
| 173 | if (ipt_ACCOUNT_read_entries(&ctx, table_name, !doFlush)) |
| 174 | { |
| 175 | printf("Read failed: %s\n", ctx.error_str); |
| 176 | ipt_ACCOUNT_deinit(&ctx); |
| 177 | exit (-1); |
| 178 | } |
| 179 | |
| 180 | printf("Run #%d - %u %s found\n", i, ctx.handle.itemcount, |
| 181 | ctx.handle.itemcount == 1 ? "item" : "items"); |
| 182 | |
| 183 | // Output and free entries |
| 184 | while ((entry = ipt_ACCOUNT_get_next_entry(&ctx)) != NULL) |
| 185 | { |
| 186 | printf("IP: %s SRC packets: %u bytes: %u DST packets: %u bytes: %u\n", |
| 187 | addr_to_dotted(entry->ip), entry->src_packets, entry->src_bytes, |
| 188 | entry->dst_packets, entry->dst_bytes); |
| 189 | } |
| 190 | |
| 191 | if (doContinue) |
| 192 | { |
| 193 | sleep(1); |
| 194 | i++; |
| 195 | } else |
| 196 | exit_now = 1; |
| 197 | } |
| 198 | } |
| 199 | |
| 200 | printf("Finished.\n"); |
| 201 | ipt_ACCOUNT_deinit(&ctx); |
| 202 | exit (0); |
| 203 | } |