File:  [ELWIX - Embedded LightWeight unIX -] / embedaddon / libnet / sample / icmp6_echoreq.c
Revision 1.1.1.3 (vendor branch): download - view: text, annotated - select for diffs - revision graph
Wed Sep 27 11:11:38 2023 UTC (8 months, 4 weeks ago) by misho
Branches: libnet, MAIN
CVS tags: v1_2p1, HEAD
Version 1.2p1

    1: /*
    2:  *  $Id: icmp6_echoreq.c,v 1.1.1.3 2023/09/27 11:11:38 misho Exp $
    3:  *
    4:  *  Poseidon++ (c) 1996 - 2002 Mike D. Schiffman <mike@infonexus.com>
    5:  * Redone from synflood example by Stefan Schlott <stefan@ploing.de>
    6:  *
    7:  * Redistribution and use in source and binary forms, with or without
    8:  * modification, are permitted provided that the following conditions
    9:  * are met:
   10:  * 1. Redistributions of source code must retain the above copyright
   11:  *    notice, this list of conditions and the following disclaimer.
   12:  * 2. Redistributions in binary form must reproduce the above copyright
   13:  *    notice, this list of conditions and the following disclaimer in the
   14:  *    documentation and/or other materials provided with the distribution.
   15:  *
   16:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   17:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   18:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   19:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   20:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   21:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   22:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   23:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   24:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   25:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   26:  * SUCH DAMAGE.
   27:  *
   28:  */
   29: 
   30: #if (HAVE_CONFIG_H)
   31: #include "../include/config.h"
   32: #endif
   33: #include "./libnet_test.h"
   34: 
   35: struct t_pack
   36: {
   37:     struct libnet_ipv6_hdr ip;
   38:     struct libnet_tcp_hdr tcp;
   39: };
   40: 
   41: 
   42: int
   43: main(int argc, char **argv)
   44: {
   45:     struct libnet_in6_addr dst_ip;
   46:     struct libnet_in6_addr src_ip;
   47:     u_short dst_prt = 0;
   48:     u_short src_prt = 0;
   49:     libnet_t *l;
   50:     libnet_ptag_t t;
   51:     char *cp;
   52:     char errbuf[LIBNET_ERRBUF_SIZE];
   53:     int i, c, packet_amt, burst_int, burst_amt, build_ip;
   54: 	char srcname[100],dstname[100];
   55: 
   56:     packet_amt  = 0;
   57:     burst_int   = 0;
   58:     burst_amt   = 1;
   59: 
   60:     printf("libnet 1.1 echo request ICMP6[raw]\n");
   61: 
   62:     /*
   63:      *  Initialize the library.  Root priviledges are required.
   64:      */
   65:     l = libnet_init(
   66:             LIBNET_RAW6,                            /* injection type */
   67:             NULL,                                   /* network interface */
   68:             errbuf);                                /* error buffer */
   69: 
   70:     if (l == NULL)
   71:     {
   72:         fprintf(stderr, "libnet_init() failed: %s", errbuf);
   73:         exit(EXIT_FAILURE); 
   74:     }
   75: 
   76:     while((c = getopt(argc, argv, "t:a:i:b:")) != EOF)
   77:     {
   78:         switch (c)
   79:         {
   80:             case 't':
   81:                 if (!(cp = strrchr(optarg, '/')))
   82:                 {
   83:                     usage(argv[0]);
   84:                     exit(EXIT_FAILURE);
   85:                 }
   86:                 *cp++ = 0;
   87:                 dst_prt = (u_short)atoi(cp);
   88:                 dst_ip = libnet_name2addr6(l, optarg, LIBNET_RESOLVE);
   89:                 if (strncmp((char*)&dst_ip,(char*)&in6addr_error,sizeof(in6addr_error))==0)
   90:                 {
   91:                     fprintf(stderr, "Bad IP6 address: %s\n", optarg);
   92:                     exit(EXIT_FAILURE);
   93:                 }
   94:                 break;
   95:             case 'a':
   96:                 packet_amt  = atoi(optarg);
   97:                 break;
   98:             case 'i':
   99:                 burst_int   = atoi(optarg);
  100:                 break;
  101:             case 'b':
  102:                 burst_amt   = atoi(optarg);
  103:                 break;
  104:             default:
  105:                 usage(argv[0]);
  106:                 exit(EXIT_FAILURE);
  107:         }
  108:     }
  109: 
  110:     if (!dst_prt || strncmp((char*)&dst_ip,(char*)&in6addr_error,sizeof(in6addr_error))==0 || !packet_amt)
  111:     {
  112:         usage(argv[0]);
  113:         exit(EXIT_FAILURE);
  114:     }
  115: 	
  116: 	
  117: 
  118:     libnet_seed_prand(l);
  119: 	libnet_addr2name6_r(src_ip,1,srcname,sizeof(srcname));
  120: 	libnet_addr2name6_r(dst_ip,1,dstname,sizeof(dstname));
  121: 
  122:     for(t = LIBNET_PTAG_INITIALIZER, build_ip = 1; burst_amt--;)
  123:     {
  124:         for (i = 0; i < packet_amt; i++)
  125:         {
  126: 			char payload[56];
  127: 			int i;
  128: 			for (i=0; i<56; i++) payload[i]='A'+((char)(i%26));
  129: 			t = libnet_build_icmpv4_echo(ICMP6_ECHO,0,0,1,0,(uint8_t *)payload,sizeof(payload),l,t);
  130: 
  131:             if (build_ip)
  132:             {
  133:                 build_ip = 0;				
  134:                 libnet_build_ipv6(0,0,
  135:  				    LIBNET_ICMPV6_H + sizeof(payload),
  136:  		            IPPROTO_ICMP6,
  137: 		            64,
  138: 		            src_ip,
  139: 		            dst_ip,
  140:                     NULL,
  141:                     0,
  142:                     l,
  143:                     0);
  144:             }
  145:             printf("%15s/%5d -> %15s/%5d\n", 
  146:                     srcname,
  147:                     ntohs(src_prt),
  148:                     dstname,
  149:                     dst_prt);
  150:             c = libnet_write(l);
  151:             if (c == -1)
  152:             {
  153:                 fprintf(stderr, "libnet_write: %s\n", libnet_geterror(l));
  154:             }
  155: #if !(__WIN32__)
  156:             usleep(250);
  157: #else
  158:             Sleep(250);
  159: #endif
  160: 
  161:         }
  162: #if !(__WIN32__)
  163:         sleep(burst_int);
  164: #else
  165:         Sleep(burst_int * 1000);
  166: #endif
  167:     }
  168:     exit(EXIT_SUCCESS);
  169: }
  170: 
  171: 
  172: void
  173: usage(char *nomenclature)
  174: {
  175:     fprintf(stderr,
  176:         "\n\nusage: %s -t -a [-i -b]\n"
  177:         "\t-t target, (ip6:address/port, e.g. ::1/23)\n"
  178:         "\t-a number of packets to send per burst\n"
  179:         "\t-i packet burst sending interval (defaults to 0)\n"
  180:         "\t-b number packet bursts to send (defaults to 1)\n" , nomenclature);
  181: }
  182: 
  183: 

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