void be_client(char *ip, int port)
{
t_socket sock;
fd_set rdfs;
char *ask;
char *prompt;
sock = init_connection(ip, port);
while (1)
{
init_socks(sock, &rdfs);
if (FD_ISSET(STDIN_FILENO, &rdfs))
client_in(sock);
else if (FD_ISSET(sock, &rdfs))
{
client_out(sock);
ask = ft_strdup("/gp\n");
ft_send(sock, ask);
free(ask);
prompt = get_message(sock);
ft_putstr("\n");
ft_putstr(prompt);
free(prompt);
}
}
}
int main(int argc, char **argv){
/* using device name */
char *device_name;
/* pcap error message buffer */
char ebuf[PCAP_ERRBUF_SIZE];
/* pcap_compile */
char *cmdbuf;
int Oflag = 1;
struct bpf_program fcode;
bpf_u_int32 localnet, netmask;
int timeout = 1000;
if(set_sighdl() < 0){
perror("set signal handler(SIGINT):");
exit(1);
}
if(!get_option(argc, argv)){
printf("Syntax Error...\n");
printf("Usage:goblin [-i interface] [-c \"condition\"] [-m rst/tail] [-t n(msec)]\n");
exit(1);
}
sum_packet = 0;
sum_ack = 0;
sum_syn = 0;
if((mode = set_mode(argv)) == 0){
printf("Undefined Mode (\"rst\" or \"tail\")\n");
exit(1);
}
if((timeout = set_timeout(mode,argv)) == 0){
printf("Illigal Time < 0\n");
exit(1);
}
init_socks();
if(option.i != 0){
device_name = (char*)malloc( (strlen(argv[option.i]) + 1) * sizeof(char) );
strcpy(device_name,argv[option.i]);
}
else{
if((device_name = pcap_lookupdev(ebuf)) == NULL){
fprintf(stderr,"%s\n",ebuf);
exit(1);
}
}
printf("PROMISC DEV: %s\n",device_name);
// pd = pcap_open_live(device_name, DEFAULT_LEN, 1, 1000, ebuf);
pd = pcap_open_live(device_name, ETHER_MAX_LEN, 1, timeout, ebuf);
if(option.i != 0) free(device_name);
if(pd == NULL){
fprintf(stderr,"%s\n",ebuf);
exit(1);
}
if (pcap_lookupnet(device_name, &localnet, &netmask, ebuf) < 0) {
localnet = 0;
netmask = 0;
fprintf(stderr,"%s", ebuf);
exit(1);
}
if(option.c != 0){
cmdbuf = argv[option.c];
if (pcap_compile(pd, &fcode, cmdbuf, Oflag, netmask) < 0){
fprintf(stderr,"%s", pcap_geterr(pd));
exit(1);
}
if (pcap_setfilter(pd, &fcode) < 0){
fprintf(stderr,"%s", pcap_geterr(pd));
exit(1);
}
}
switch(mode){
case 't':
if( pcap_loop(pd, -1, capture_packet, NULL) < 0 ){
fprintf(stdout,"pcap_loop:%s\n",pcap_geterr(pd));
exit(1);
}
break;
case 'r':
if( pcap_loop(pd, -1, discriminate_packet, NULL) < 0 ){
fprintf(stdout,"pcap_loop:%s\n",pcap_geterr(pd));
exit(1);
}
break;
}
return 0;
}
/* client Spad server sockets. Two sockets are created: server[0]
is the internet server socket, and server[1] is a local domain socket. */
int
open_server(char *server_name)
{
char *s, name[256];
init_socks();
#ifndef HAVE_MSG_NOSIGNAL
#ifdef SIGPIPE
bsdSignal(SIGPIPE, sigpipe_handler,RestartSystemCalls);
#endif
#endif
if (make_server_name(name, server_name) == -1)
return -2;
/* create the socket internet socket */
server[0].socket = 0;
/* server[0].socket = fricas_communication_link(AF_INET);
if (is_invalid_socket(&server[0])) {
server[0].socket = 0;
} else {
server[0].addr.i_addr.sin_family = AF_INET;
server[0].addr.i_addr.sin_addr.s_addr = INADDR_ANY;
server[0].addr.i_addr.sin_port = 0;
if (bind(server[0].socket, &server[0].addr.i_addr,
sizeof(server[0].addr.i_addr))) {
perror("binding INET stream socket");
server[0].socket = 0;
return -1;
}
length = sizeof(server[0].addr.i_addr);
if (getsockname(server[0].socket, &server[0].addr.i_addr, &length)) {
perror("getting INET server socket name");
server[0].socket = 0;
return -1;
}
server_port = ntohs(server[0].addr.i_addr.sin_port);
FD_SET(server[0].socket, &socket_mask);
FD_SET(server[0].socket, &server_mask);
listen(server[0].socket,5);
} */
/* Next create the local domain socket */
server[1].socket = fricas_communication_link(FRICAS_AF_LOCAL);
if (is_invalid_socket(&server[1])) {
perror("opening local server socket");
server[1].socket = 0;
return -2;
} else {
server[1].addr.u_addr.sa_family = FRICAS_AF_LOCAL;
memset(server[1].addr.u_addr.sa_data, 0,
sizeof(server[1].addr.u_addr.sa_data));
strcpy(server[1].addr.u_addr.sa_data, name);
if (bind(server[1].socket, &server[1].addr.u_addr,
sizeof(server[1].addr.u_addr))) {
perror("binding local server socket");
server[1].socket = 0;
return -2;
}
FD_SET(server[1].socket, &socket_mask);
FD_SET(server[1].socket, &server_mask);
listen(server[1].socket, 5);
}
s = getenv("SPADSERVER");
if (s == NULL) {
/* fprintf(stderr, "Not a spad server system\n"); */
return -1;
}
return 0;
}
