int cmd_igmpv2_specquery (struct cli_def *cli, char *command, char *argv[], int argc)
{
int mrt=100, sum=-1;
u_int8_t IP[4];
u_int32_t mip=0;
if ( (strcmp(argv[argc-1],"?")==0) || (argc>3) ) {
cli_print(cli, "Configure a IGMPv2 group-specific query.\n");
cli_print(cli, "ARGUMENTS: <IP-address> [<MRT> [<checksum>]]\n");
cli_print(cli, "<IP-Address> ... multicast group to be queried (can be ANY IP address!)\r");
cli_print(cli, "<MRT> ... maximum response time in 100 msec units (default: 10 s)\r");
cli_print(cli, "<checksum> ... user-defined checksum (usually wrong by intention) in \r");
cli_print(cli, " hexadecimal notation (e. g. 'c7b3').\n");
return CLI_OK;
}
if (argc==0) {
cli_print(cli, "You must at least specify the group address\n");
return CLI_OK;
}
if (argc>=1) {
if (mops_pdesc_ip (IP, argv[0])==0) // check if format is really an IP address
mip = str2ip32(argv[0]);
else {
cli_print(cli, "Invalid IP address\n");
return CLI_OK;
}
}
if (argc>=2) {
if (mz_strisnum(argv[1])==0) {
cli_print(cli, "Maximum response time must only contain numbers!\n");
return CLI_OK;
}
mrt = (int) str2int(argv[1]);
}
if (argc==3) {
if (mz_strishex(argv[2])==0) {
cli_print(cli, "Checksum must only contain hexadecimal numbers!\n");
return CLI_OK;
}
sum = (int) xstr2int(argv[2]);
if (sum>0xffff) {
cli_print(cli, "Checksum must be a 2-byte value!\n");
return CLI_OK;
}
}
clipkt->ip_dst = mip;
clipkt->ip_ttl = 1;
clipkt->ndelay.tv_sec = 125;
clipkt->ndelay.tv_nsec = 0;
if (mops_create_igmpv2 (clipkt, 0, IGMP_GSPEC_QUERY, mrt, sum, mip))
cli_print(cli, "Invalid parameters!\n");
return CLI_OK;
}
int cmd_arp_tip (struct cli_def *cli, const char *command, char *argv[], int argc)
{
struct mops_ext_arp * pd = clipkt->p_desc;
if ( (strncmp(argv[argc-1],"?",1)==0) || (argc!=1) )
{
cli_print(cli,"Specify a target IP address (format: A.B.C.D)\n");
}
else if (mops_pdesc_ip (pd->target_ip, argv[0]))
{
cli_print(cli,"Invalid IP address (use format: A.B.C.D)\n");
}
return CLI_OK;
}
int cmd_igmpv1_report (struct cli_def *cli, char *command, char *argv[], int argc)
{
int sum;
u_int8_t IP[4];
u_int32_t mip=0;
if ( (strcmp(argv[argc-1],"?")==0) || (argc>2) || (argc==0)) {
cli_print(cli, "Configure a IGMPv1 membership report.\n");
cli_print(cli, "ARGUMENTS: <IP-Address> [<checksum>]\n");
cli_print(cli, "<IP-Address> ... multicast group address to be reported (but ANY IP\r");
cli_print(cli, " address allowed, Mausezahn is really generous...)\r");
cli_print(cli, "<checksum> ... user-defined checksum (usually wrong by intention) in \r");
cli_print(cli, " hexadecimal notation (e. g. 'c7b3').\n");
return CLI_OK;
}
if (argc>=1) {
if (mops_pdesc_ip (IP, argv[0])==0) // check if format is really an IP address
mip = str2ip32(argv[0]);
else {
cli_print(cli, "Invalid IP address\n");
return CLI_OK;
}
}
if (argc==2) {
if (mz_strishex(argv[1])==0) {
cli_print(cli, "Checksum must only contain hexadecimal numbers!\n");
return CLI_OK;
}
sum = (int) xstr2int(argv[1]);
if (sum>0xffff) {
cli_print(cli, "Checksum must be a 2-byte value!\n");
return CLI_OK;
}
} else sum = -1;
clipkt->ip_dst = mip;
clipkt->ip_ttl = 1;
clipkt->ndelay.tv_sec = 1;
clipkt->ndelay.tv_nsec = 0;
if (mops_create_igmpv2 (clipkt, 0, IGMP_V1_REPORT, 0, sum, mip))
cli_print(cli, "Invalid parameters!\n");
return CLI_OK;
}
int cmd_igmpv2_leave (struct cli_def *cli, char *command, char *argv[], int argc)
{
int sum;
u_int8_t IP[4];
u_int32_t mip=0;
if ( (strcmp(argv[argc-1],"?")==0) || (argc>2) || (argc==0)) {
cli_print(cli, "Configure a IGMPv2 leave group message.\n");
cli_print(cli, "ARGUMENTS: <IP-Address> [<checksum>]\n");
cli_print(cli, "<IP-Address> ... multicast group address that should be left; use\r");
cli_print(cli, " the special address 0.0.0.0 for a 'general leave'\r");
cli_print(cli, "<checksum> ... user-defined checksum (usually wrong by intention) in \r");
cli_print(cli, " hexadecimal notation (e. g. 'c7b3').\n");
return CLI_OK;
}
if (argc>=1) {
if (mops_pdesc_ip (IP, argv[0])==0) // check if format is really an IP address
mip = str2ip32(argv[0]);
else {
cli_print(cli, "Invalid IP address\n");
return CLI_OK;
}
}
if (argc==2) {
if (mz_strishex(argv[1])==0) {
cli_print(cli, "Checksum must only contain hexadecimal numbers!\n");
return CLI_OK;
}
sum = (int) xstr2int(argv[1]);
if (sum>0xffff) {
cli_print(cli, "Checksum must be a 2-byte value!\n");
return CLI_OK;
}
} else sum = -1;
clipkt->ip_dst = str2ip32("224.0.0.2");
clipkt->ip_ttl = 1;
clipkt->ndelay.tv_sec = 1;
clipkt->ndelay.tv_nsec = 0;
if (mops_create_igmpv2 (clipkt, 0, IGMP_LEAVE, 0, sum, mip))
cli_print(cli, "Invalid parameters!\n");
return CLI_OK;
}
int conf_ip_address (struct cli_def *cli, const char *command, char *argv[], int argc)
{
if ( (strcmp(argv[argc-1],"?")==0) || (argc>1) )
{
cli_print(cli, "A.B.C.D Specify a default interface IP address\n");
return CLI_OK;
}
if (argc)
{
if (mops_pdesc_ip (device_list[clidev].ip_mops, argv[0]))
{
cli_print(cli,"Invalid IP address (use format: A.B.C.D)\n");
}
}
else
cli_print(cli, "A.B.C.D Specify a default interface IP address\n");
return CLI_OK;
}
int launch_synflood (struct cli_def *cli, char *command, char *argv[], int argc)
{
u_int8_t IP[4];
int valid_ip=0, valid_port=0;
if ( (strncmp(argv[argc-1],"?",2)==0) || (argc>2) || (argc==0)) {
cli_print(cli, "Launch a(nother) TCP SYN-Flood process:\n");
cli_print(cli, "<dst-ip-addr> At least you must specify the destination IP address\r");
cli_print(cli, "<dst-ip-addr> <port-nr> Optionally specify the destination port (default: range from 1-1023)\n");
return CLI_OK;
}
if (mops_pdesc_ip (IP, argv[0])==0) { // check if format is really an IP address
valid_ip=1;
} else {
cli_print(cli, "Invalid IP address\n");
return CLI_OK;
}
if (argc==2) {
if (mz_strisnum(argv[1])==0) {
cli_print(cli, "Invalid port number\n");
return CLI_OK;
}
valid_port = (int) str2int(argv[1]);
if (valid_port>65535) {
cli_print(cli, "Invalid port number\n");
return CLI_OK;
}
}
if ((clipkt = mops_alloc_packet(mp_head)) == NULL) { // Problem, memory full?
cli_print(cli, "Cannot allocate additional memory!\n");
return CLI_OK;
}
strncpy (clipkt->packet_name, "sysFlood_TCPSYN", 15);
// OK, created a new packet
cli_print(cli, "Allocated new packet %s at slot %i",clipkt->packet_name, clipkt->id);
mops_set_defaults(clipkt);
clipkt->use_ETHER = 1;
clipkt->use_IP = 1;
clipkt->use_TCP = 1;
clipkt->ip_proto = 6;
clipkt->count = 0;
clipkt->ip_dst = str2ip32(argv[0]);
clipkt->ip_src_israndom=1;
if (valid_port) {
clipkt->dp = valid_port;
} else {
clipkt->dp_isrange=1;
clipkt->dp_start=1;
clipkt->dp_stop=1023;
}
clipkt->ndelay.tv_sec = 0;
clipkt->ndelay.tv_nsec = 0;
mops_set_conf(clipkt);
mops_tcp_add_option (clipkt,64,0,0,0,0);
if (mops_tx_simple (clipkt)) {
cli_print(cli, "Cannot create sending process.\r");
}
return CLI_OK;
}
