int connecthost(const char * host, short port, int * fd)
{
struct sockaddr_in sain;
char logbuf[64];
int fetchfd;
sain.sin_family = AF_INET;
sain.sin_port = htons(port);
if(host == NULL && host[0] == '\0') return -1;
if(hnametoaddr(host, &sain.sin_addr) == -1) return -1;
if((fetchfd = initsocket(SOCK_STREAM,0)) == -1){
logerr("can not init a socket", errno);
return -1;
}
*fd = fetchfd;
sighandler_t presighandler = signal(SIGALRM, timeout);
alarm(CONTIMEOUT);/* start timer */
if(connect(fetchfd, (struct sockaddr *)&sain, sizeof(sain)) == -1){
if(errno != EINTR){
sprintf(logbuf, "connect to remote host %s error", host);
logerr(logbuf, errno);
}
return -1;
}
alarm(0);/* conenct success and cancel timer. */
signal(SIGALRM, presighandler);
return 0;
}
int main(int argc,char **argv){
int c, errflag = 0;
while ((c = getopt(argc, argv, "p:h?")) != -1)
switch (c) {
case 'p':
DefaultPath = optarg;
break;
case 'h':
case '?':
default:
errflag++;
break;
}
if (errflag > 0) {
usage(argv[0]);
return (1);
}
if (argc - optind < 1) {
usage(argv[0]);
exit(1);
}
initial_bbs(NULL);
initsocket();
ctlinnbbsd(argc - optind, argv + optind);
closesocket();
return 0;
}
int
main(void)
{
char *host = "irc.rizon.net";
char *port = "6667";
char *channel = "#silvestackers";
char nick[32], pass[32];
char buf[513];
int sl;
printf("Select a nickname for the bot: ");
fgets(nick, sizeof nick, stdin);
printf("Need to auth with NickServ? Pass: "******"\n")] = '\0';
pass[strcspn(pass, "\n")] = '\0';
initsocket(host, port);
raw("USER %s 0 * :KbpsIRC bot.\r\n", nick);
raw("NICK %s", nick);
while ((sl = read(conn, sbuf, 512)) > 0)
{
int i;
for(i = 0; i < sl; i++)
buf[i] = sbuf[i];
buf[strcspn(buf, "\r\n")] = '\0';
/* TODO: take into account split lines. */
printf(">> %s", buf);
interpret(parse(buf));
}
return 0;
}
/*main loop, message sender, etc.pp.*/
int main(int argc,char**argv)
{
int c,optindex=1;
struct dhcp_msg *msg;
/*parse options*/
argv0=*argv;
while(1){
c=getopt_long(argc,argv,shortopt,longopt,&optindex);
if(c==-1)break;
switch(c){
case 'p':getprefix=1;break;
case 'P':getprefix=0;break;
case 'a':getaddress=1;break;
case 'A':getaddress=0;break;
case 'd':getdns=1;break;
case 'D':getdns=0;break;
case 'r':retries=atoi(optarg);break;
case 'l':localid=optarg;break;
case 'u':setduid(optarg);break;
case 'c':userapid=1;break;
case 'C':userapid=0;break;
case 'L':setloglevel(optarg);break;
default:
fprintf(stderr,"Syntax error in arguments.\n");
printhelp();
return 1;
break;
case 'h':
printhelp();
return 0;
break;
}
}
if((optind+2)!=argc){
fprintf(stderr,"Syntax error.\n");
printhelp();
return 1;
}
device=argv[optind];
script=argv[optind+1];
if(DUIDLEN==0){
if(localid)
setlocalid(localid);
else
initlocalid();
}
/*init socket*/
initsocket(DHCP_CLIENTPORT,device);
if(sockfd<0){
td_log(LOGERROR,"unable to allocate socket, exiting.");
exit(1);
}
/*init my own stuff*/
inititems();
/*init SOLICIT/IREQ msg*/
if(!getaddress && !getprefix){
msg=newmessage(MSG_IREQUEST);
addrecvfilter(MSG_REPLY);
}else{
msg=newmessage(MSG_SOLICIT);
addrecvfilter(MSG_ADVERTISE);
}
COMPAREMSGID=1;
settargetserver(&msg->msg_peer);
messageaddopt(msg,OPT_CLIENTID);
if(getdns){
messageaddoptrequest(msg,OPT_DNS_SERVER);
messageaddoptrequest(msg,OPT_DNS_NAME);
}
if(getaddress)messageaddopt(msg,OPT_IANA);
if(getprefix)messageaddopt(msg,OPT_IAPD);
if(userapid&&(getaddress||getprefix))messageaddopt(msg,OPT_RAPIDCOMMIT);
/*start main loop*/
for(c=0;c<retries;c++){
sendmessage(msg);
fd_set rfd,xfd;
struct timeval tv;
int sret;
//wait for event
FD_ZERO(&rfd);
FD_ZERO(&xfd);
FD_SET(sockfd,&rfd);
FD_SET(sockfd,&xfd);
tv.tv_sec=1;
tv.tv_usec=0;
sret=select(sockfd+1,&rfd,0,&xfd,&tv);
//check for errors
if(sret<0){
int e=errno;
if(e==EAGAIN)continue;
td_log(LOGERROR,"Error caught: %s\n",strerror(e));
return 1;
}
//check for event
if(sret>0){
if(FD_ISSET(sockfd,&rfd)){
struct dhcp_msg*msg2;
msg2=readmessage();
if(msg2)
if(handlemessage(msg2,msg)==0)break;
}
if(FD_ISSET(sockfd,&xfd)){
td_log(LOGERROR,"Exception on socket caught.\n");
return 1;
}
}else
td_log(LOGDEBUG,"timeout, iteration %i",c);
}
/*execute script*/
return execscript();
}