コード例 #1
0
ファイル: modifications.c プロジェクト: 0x0mar/netsniff-ng
int print_frame_details(void)
{
   unsigned char *dum1, *dum2;
   char pld[65535];
   char sa[32], da[32];
   
   if (!tx.packet_mode)
     {
	bs2str(tx.eth_dst, da, 6);
	bs2str(tx.eth_src, sa, 6);
	fprintf(stderr, " Eth: DA = %s, SA = %s\n",da,sa);
     }
   
   
   if (tx.dot1Q)
     {
	fprintf(stderr, " 802.1Q VLAN-TAG = %s\n", tx.dot1Q_txt);
     }

   if (tx.mpls)
     {
	fprintf(stderr," MPLS labels (label:exp:bos:ttl): %s\n",tx.mpls_verbose_string);
	
     }

   
   dum1 =  (unsigned char*) &tx.ip_src_h;
   dum2 = (unsigned char*) &tx.ip_dst_h;
   if (mode==IP) {
     (void) bs2str(tx.ip_payload, pld, tx.ip_payload_s);
   } else {
     strcpy(pld, "[see next layer]");
   }

   if (ipv6_mode) {
     char src6[64]; char dst6[64];
     libnet_addr2name6_r(tx.ip6_src, LIBNET_DONT_RESOLVE, src6, 64);
     libnet_addr2name6_r(tx.ip6_dst, LIBNET_DONT_RESOLVE, dst6, 64);

     fprintf(stderr," IP:  ver=6, dscp=%u, flow=%u, len=%u, next=%u, hop=%u "
             "SA=%s, DA=%s\n      payload=%s\n", tx.ip_tos, tx.ip_flow,
	     tx.ip_len, tx.ip_proto, tx.ip_ttl, src6, dst6, pld);
   }
   else {
     fprintf(stderr," IP:  ver=4, len=%u, tos=%u, id=%u, frag=%u, ttl=%u, proto=%u, sum=%u, "
	     "SA=%u.%u.%u.%u, DA=%u.%u.%u.%u,\n"
	     "      payload=%s\n", tx.ip_len, tx.ip_tos,
	     tx.ip_id, tx.ip_frag, tx.ip_ttl, tx.ip_proto, tx.ip_sum,
	     *(dum1+3),*(dum1+2),*(dum1+1),*(dum1), *(dum2+3),*(dum2+2),*(dum2+1),*(dum2+0), pld);
   }
   
   if ((mode==UDP)||(mode==DNS)||(mode==RTP))
     {
	bs2str(tx.udp_payload, pld, tx.udp_payload_s);
	fprintf(stderr, " UDP: sp=%u, dp=%u, len=%u, sum=%u, \n"
		"      payload=%s\n", tx.sp, tx.dp, tx.udp_len, tx.udp_sum, pld);
     }
   if (mode==TCP) // TODO: Improve message details (flags, ...)
     {
	bs2str(tx.tcp_payload, pld, tx.tcp_payload_s);
	fprintf(stderr, " TCP: sp=%u, dp=%u, S=%u, A=%u, flags=%x, win=%u, len=%u, sum=%u, \n"
		"      payload=%s\n", 
		tx.sp, tx.dp, tx.tcp_seq, tx.tcp_ack, tx.tcp_control, tx.tcp_win, tx.tcp_len, tx.tcp_sum, pld);
     }
   
   // send_icmp must prepare the verbose string because there are many
   // different types of ICMP packets...
   if (mode==ICMP) 
     {
	fprintf(stderr, " %s\n", tx.icmp_verbose_txt);
     }

   if (mode==ICMP6)
     {
	fprintf(stderr, " %s\n", tx.icmp_verbose_txt);
     }
   
   // libnet_diag_dump_pblock(l);
   fprintf(stderr,"\n");

   if (simulate)
     {
	fprintf(stderr, "*** NOTE: Simulation only! Nothing has been sent! ***\n");
	exit(0);
     }
   
   
   return 0;
}
コード例 #2
0
ファイル: synflood6_frag.c プロジェクト: 7h3rAm/libnet
int
main(int argc, char **argv)
{
    struct libnet_in6_addr dst_ip;
    struct libnet_in6_addr src_ip;
    u_short dst_prt = 0;
    u_short src_prt = 0;
    libnet_t *l;
    libnet_ptag_t tcp, ip, ip_frag;
    u_char *cp;
    char errbuf[LIBNET_ERRBUF_SIZE];
    int i, j, c, packet_amt, burst_int, burst_amt;
    char srcname[100], dstname[100];
    u_int8_t payload[56];

    packet_amt  = 0;
    burst_int   = 0;
    burst_amt   = 1;
    tcp = ip_frag = ip = LIBNET_PTAG_INITIALIZER;

    printf("libnet 1.1 syn flooding: TCP IPv6 fragments [raw]\n");
    
    l = libnet_init(
            LIBNET_RAW6,                            /* injection type */
            NULL,                                   /* network interface */
            errbuf);                                /* error buffer */

    if (l == NULL)
    {
        fprintf(stderr, "libnet_init() failed: %s", errbuf);
        exit(EXIT_FAILURE); 
    }

    while((c = getopt(argc, argv, "t:a:i:b:")) != EOF)
    {
        switch (c)
        {
            case 't':
                if (!(cp = strrchr(optarg, '/')))
                {
                    usage(argv[0]);
                    exit(EXIT_FAILURE);
                }
                *cp++ = 0;
                dst_prt = (u_short)atoi(cp);
		dst_ip = libnet_name2addr6(l, optarg, 1);
                if (strncmp((char*)&dst_ip,
                   (char*)&in6addr_error,sizeof(in6addr_error))==0)
                {
                    fprintf(stderr, "Bad IPv6 address: %s\n", optarg);
                    exit(EXIT_FAILURE);
                }
                break;
            case 'a':
                packet_amt  = atoi(optarg);
                break;
            case 'i':
                burst_int   = atoi(optarg);
                break;
            case 'b':
                burst_amt   = atoi(optarg);
                break;
            default:
                usage(argv[0]);
                exit(EXIT_FAILURE);
        }
    }

    src_ip = libnet_name2addr6(l, "0:0:0:0:0:0:0:1", LIBNET_DONT_RESOLVE);
    /* src_ip = libnet_name2addr6(l, 
       "3ffe:400:60:4d:250:fcff:fe2c:a9cd", LIBNET_DONT_RESOLVE);
	dst_prt = 113;
	dst_ip = libnet_name2addr6(l, "nathan.ip6.uni-ulm.de", LIBNET_RESOLVE);
	packet_amt = 1;
    */

    if (!dst_prt || strncmp((char*)&dst_ip,
       (char*)&in6addr_error,sizeof(in6addr_error))==0 || !packet_amt)
    {
        usage(argv[0]);
        exit(EXIT_FAILURE);
    }

    libnet_seed_prand(l);
    libnet_addr2name6_r(src_ip, LIBNET_RESOLVE, srcname, sizeof(srcname));
    libnet_addr2name6_r(dst_ip, LIBNET_RESOLVE, dstname, sizeof(dstname));

    for(; burst_amt--;)
    {
        for (i = 0; i < packet_amt; i++)
        {
            for (j = 0; j < 56; j++) payload[j] = 'A' + ((char)(j % 26));

            tcp = libnet_build_tcp(
                src_prt = libnet_get_prand(LIBNET_PRu16),
                dst_prt,
                libnet_get_prand(LIBNET_PRu32),
                libnet_get_prand(LIBNET_PRu32),
                TH_SYN,
                libnet_get_prand(LIBNET_PRu16),
                0,
                0,
                LIBNET_TCP_H,
                NULL,
                0,
                l,
                tcp);
            if (tcp == -1)
            {
                fprintf(stderr, "Can't build or modify TCP header: %s\n",
                        libnet_geterror(l));
                return (EXIT_FAILURE);
            }

            ip_frag = libnet_build_ipv6_frag(
                IPPROTO_TCP,                  /* next header */
                0,                            /* reserved */
                0,                            /* frag bits */
                1,                            /* ip id */
                NULL,
                0,
                l,
                ip_frag);
            if (ip_frag == -1)
            {
                fprintf(stderr, "Can't build or modify TCP header: %s\n",
                        libnet_geterror(l));
                return (EXIT_FAILURE);
            }

            ip = libnet_build_ipv6(
                0, 0,
 	        LIBNET_TCP_H,
 	        IPPROTO_TCP,
	        64,
	        src_ip,
	        dst_ip,
                NULL,
                0,
                l,
                ip);
            if (ip == -1)
            {
                fprintf(stderr, "Can't build or modify TCP header: %s\n",
                        libnet_geterror(l));
                return (EXIT_FAILURE);
            }

            printf("%15s/%5d -> %15s/%5d\n", 
                   srcname,
                   ntohs(src_prt),
                   dstname,
                   dst_prt);

            c = libnet_write(l);
            if (c == -1)
            {
                fprintf(stderr, "libnet_write: %s\n", libnet_geterror(l));
            }
#if !(__WIN32__)
            usleep(250);
#else
            Sleep(250);
#endif

        }
#if !(__WIN32__)
        sleep(burst_int);
#else
        Sleep(burst_int * 1000);
#endif
    }
    exit(EXIT_SUCCESS);
}
コード例 #3
0
int
main(int argc, char **argv)
{
    struct libnet_in6_addr dst_ip;
    struct libnet_in6_addr src_ip;
    u_short dst_prt = 0;
    u_short src_prt = 0;
    libnet_t *l;
    libnet_ptag_t t;
    char *cp;
    char errbuf[LIBNET_ERRBUF_SIZE];
    int i, c, packet_amt, burst_int, burst_amt, build_ip;
	char srcname[100],dstname[100];

    packet_amt  = 0;
    burst_int   = 0;
    burst_amt   = 1;

    printf("libnet 1.1 unreach/admin prohibited request ICMP6[raw]\n");

    /*
     *  Initialize the library.  Root priviledges are required.
     */
    l = libnet_init(
            LIBNET_RAW6,                            /* injection type */
            NULL,                                   /* network interface */
            errbuf);                                /* error buffer */

    if (l == NULL)
    {
        fprintf(stderr, "libnet_init() failed: %s", errbuf);
        exit(EXIT_FAILURE); 
    }

    while((c = getopt(argc, argv, "t:a:i:b:")) != EOF)
    {
        switch (c)
        {
            case 't':
                if (!(cp = strrchr(optarg, '/')))
                {
                    usage(argv[0]);
                    exit(EXIT_FAILURE);
                }
                *cp++ = 0;
                dst_prt = (u_short)atoi(cp);
				dst_ip = libnet_name2addr6(l, optarg, 1);
                if (strncmp((char*)&dst_ip,(char*)&in6addr_error,sizeof(in6addr_error))==0)
                {
                    fprintf(stderr, "Bad IP6 address: %s\n", optarg);
                    exit(EXIT_FAILURE);
                }
                break;
            case 'a':
                packet_amt  = atoi(optarg);
                break;
            case 'i':
                burst_int   = atoi(optarg);
                break;
            case 'b':
                burst_amt   = atoi(optarg);
                break;
            default:
                usage(argv[0]);
                exit(EXIT_FAILURE);
        }
    }

    if (!dst_prt || strncmp((char*)&dst_ip,(char*)&in6addr_error,sizeof(in6addr_error))==0 || !packet_amt)
    {
        usage(argv[0]);
        exit(EXIT_FAILURE);
    }
	
	

    libnet_seed_prand(l);
	libnet_addr2name6_r(src_ip,1,srcname,sizeof(srcname));
	libnet_addr2name6_r(dst_ip,1,dstname,sizeof(dstname));

    for(t = LIBNET_PTAG_INITIALIZER, build_ip = 1; burst_amt--;)
    {
        for (i = 0; i < packet_amt; i++)
        {
			uint8_t payload[56];
			int i;
			for (i=0; i<sizeof(payload); i++)
                            payload[i]='A'+(i%26);
			t = libnet_build_icmpv6_unreach (
                            ICMP6_UNREACH,         /* type */
                            ICMP6_ADM_PROHIBITED,  /* code */
                            0,                     /* checksum */
                            payload,               /* payload */
                            sizeof(payload),       /* payload length */
                            l,                     /* libnet context */
                            t);                    /* libnet ptag */

 

            if (build_ip)
            {
                build_ip = 0;				
                libnet_build_ipv6(0,0,
 				    LIBNET_IPV6_H + LIBNET_ICMPV6_H + sizeof(payload),
 		            IPPROTO_ICMP6,
		            64,
		            src_ip,
		            dst_ip,
                    NULL,
                    0,
                    l,
                    0);
            }
            printf("%15s/%5d -> %15s/%5d\n", 
                    srcname,
                    ntohs(src_prt),
                    dstname,
                    dst_prt);
            c = libnet_write(l);
            if (c == -1)
            {
                fprintf(stderr, "libnet_write: %s\n", libnet_geterror(l));
            }
#if !(__WIN32__)
            usleep(250);
#else
            Sleep(250);
#endif

        }
#if !(__WIN32__)
        sleep(burst_int);
#else
        Sleep(burst_int * 1000);
#endif
    }
    exit(EXIT_SUCCESS);
}
コード例 #4
0
ファイル: synflood6.c プロジェクト: PatMan884/droidsheep
int
main(int argc, char **argv)
{
    struct libnet_in6_addr dst_ip;
    struct libnet_in6_addr src_ip;
    u_short dst_prt = 0;
    u_short src_prt = 0;
    libnet_t *l;
    libnet_ptag_t t;
    char *cp;
    char errbuf[LIBNET_ERRBUF_SIZE];
    int i, c, packet_amt, burst_int, burst_amt, build_ip;
    char srcname[100],dstname[100];

    packet_amt  = 0;
    burst_int   = 0;
    burst_amt   = 1;

    printf("libnet 1.1 syn flooding: TCP6[raw]\n");

    /*
     *  Initialize the library.  Root priviledges are required.
     */
    l = libnet_init(
            LIBNET_RAW6,                            /* injection type */
            NULL,                                   /* network interface */
            errbuf);                                /* error buffer */

    if (l == NULL)
    {
        fprintf(stderr, "libnet_init() failed: %s", errbuf);
        exit(EXIT_FAILURE);
    }

    while((c = getopt(argc, argv, "t:a:i:b:")) != EOF)
    {
        switch (c)
        {
        case 't':
            if (!(cp = strrchr(optarg, '/')))
            {
                usage(argv[0]);
                exit(EXIT_FAILURE);
            }
            *cp++ = 0;
            dst_prt = (u_short)atoi(cp);
            dst_ip = libnet_name2addr6(l, optarg, 1);
            if (strncmp((char*)&dst_ip,(char*)&in6addr_error,sizeof(in6addr_error))==0)
            {
                fprintf(stderr, "Bad IP6 address: %s\n", optarg);
                exit(EXIT_FAILURE);
            }
            break;
        case 'a':
            packet_amt  = atoi(optarg);
            break;
        case 'i':
            burst_int   = atoi(optarg);
            break;
        case 'b':
            burst_amt   = atoi(optarg);
            break;
        default:
            usage(argv[0]);
            exit(EXIT_FAILURE);
        }
    }

    src_ip = libnet_name2addr6(l, "0:0:0:0:0:0:0:1", LIBNET_DONT_RESOLVE);
    /*src_ip = libnet_name2addr6(l, "3ffe:400:60:4d:250:fcff:fe2c:a9cd", LIBNET_DONT_RESOLVE);
    dst_prt = 113;
    dst_ip = libnet_name2addr6(l, "nathan.ip6.uni-ulm.de", LIBNET_RESOLVE);
    packet_amt = 1;*/

    if (!dst_prt || strncmp((char*)&dst_ip,(char*)&in6addr_error,sizeof(in6addr_error))==0 || !packet_amt)
    {
        usage(argv[0]);
        exit(EXIT_FAILURE);
    }



    libnet_seed_prand(l);
    libnet_addr2name6_r(src_ip,1,srcname,sizeof(srcname));
    libnet_addr2name6_r(dst_ip,1,dstname,sizeof(dstname));

    for(t = LIBNET_PTAG_INITIALIZER, build_ip = 1; burst_amt--;)
    {
        for (i = 0; i < packet_amt; i++)
        {
            char payload[56];
            int i;
            for (i=0; i<56; i++) payload[i]='A'+((char)(i%26));
            t = libnet_build_tcp(
                    src_prt = libnet_get_prand(LIBNET_PRu16),
                    dst_prt,
                    libnet_get_prand(LIBNET_PRu32),
                    libnet_get_prand(LIBNET_PRu32),
                    TH_SYN,
                    libnet_get_prand(LIBNET_PRu16),
                    0,
                    0,
                    LIBNET_TCP_H,
                    NULL,
                    0,
                    l,
                    t);

            if (build_ip)
            {
                build_ip = 0;
                printf("Packet len = %ld\n",LIBNET_ICMPV6_H+sizeof(payload));
                libnet_build_ipv6(0,0,
                                  LIBNET_TCP_H,
                                  IPPROTO_TCP,
                                  64,
                                  src_ip,
                                  dst_ip,
                                  NULL,
                                  0,
                                  l,
                                  0);
            }
            printf("%15s/%5d -> %15s/%5d\n",
                   srcname,
                   ntohs(src_prt),
                   dstname,
                   dst_prt);
            c = libnet_write(l);
            if (c == -1)
            {
                fprintf(stderr, "libnet_write: %s\n", libnet_geterror(l));
            }
#if !(__WIN32__)
            usleep(250);
#else
            Sleep(250);
#endif

        }
#if !(__WIN32__)
        sleep(burst_int);
#else
        Sleep(burst_int * 1000);
#endif
    }
    exit(EXIT_SUCCESS);
}