From ca97dc3913735ac0aed03974ada43aede82bec02 Mon Sep 17 00:00:00 2001 From: epochqwert Date: Sun, 8 Mar 2015 06:04:41 -0500 Subject: added a linkbot example to libirc, bunch of random shit in segfault I guess. I don't remember. I should commit more. --- libirc/examples/link.c | 124 ++++++++++++++++++++++++++++++++++++++ libirc/libirc.c | 158 +++++++++++++++++++++++-------------------------- 2 files changed, 198 insertions(+), 84 deletions(-) create mode 100644 libirc/examples/link.c (limited to 'libirc') diff --git a/libirc/examples/link.c b/libirc/examples/link.c new file mode 100644 index 0000000..5c13e94 --- /dev/null +++ b/libirc/examples/link.c @@ -0,0 +1,124 @@ +#include +#include +#include +#include + +#define mywrite(a,b) write(a,b,strlen(b)) + +int *fds; +char **chans; + +void extra_handler(int fd) { + return; +} + +struct user { + char *nick; + char *user; + char *host; +}; + +void privmsg_others(int fd,char *msg) { + int i; + char tmp[512]; + for(i=0;fds[i] != -1;i++) { + if(fds[i] != fd) { + snprintf(tmp,sizeof(tmp)-1,"PRIVMSG %s :%s\r\n",chans[fdtoi(fds[i])],msg); + write(fds[i],tmp,strlen(tmp)); + } + } +} + +void message_handler(int fd,char *from,struct user *user,char *line) { + int i; + char tmp[512]; + if(!strcmp(from,chans[fdtoi(fd)])) {//don't want to be forwarding PMs. :P + snprintf(tmp,sizeof(tmp)-1,"<%s> %s",user->nick,line); + privmsg_others(fd,tmp); + } +} + +void line_handler(int fd,char *line) {//this should be built into the libary? + char *s=line,*t=0,*u=0; + char tmp[512]; + struct user *user=malloc(sizeof(struct user)); + user->nick=0; + user->user=0; + user->host=0; + if(strchr(line,'\r')) *strchr(line,'\r')=0; + if(strchr(line,'\n')) *strchr(line,'\n')=0; + printf("line: '%s'\n",line); + if(line[0]==':') { + if((user->nick=strchr(line,':'))) { + *(user->nick)=0; + (user->nick)++; + } + } + if(user->nick) { + if((s=strchr((user->nick),' '))) { + *s=0; + s++; + if((t=strchr(s,' '))) { + *t=0; + t++; + if((u=strchr(t,' '))) {//: + *u=0; + u++; + } + } + } + if(((user->user)=strchr((user->nick),'!'))) { + *(user->user)=0; + (user->user)++; + if(((user->host)=strchr((user->user),'@'))) { + *(user->host)=0; + (user->host)++; + } + } else { + user->host=user->nick; + } + } + if(!user->user && s) { + if(!strcmp(s,"004")) { + snprintf(tmp,sizeof(tmp)-1,"JOIN %s\r\n",chans[fdtoi(fd)]); + mywrite(fd,tmp); + } + } + if(s && t && u) { + if(!strcmp(s,"PRIVMSG")) { + message_handler(fd,*t=='#'?t:user->nick,user,++u); + } + } + if(s && user->nick && t) { + if(!strcmp(s,"JOIN")) { + snprintf(tmp,sizeof(tmp)-1,"%cACTION %s has joined %s%c",1,user->nick,t+1,1); + privmsg_others(fd,tmp); + //send a join message to the other end. + } + } + free(user); +} + +int fdtoi(int fd) { + int i; + for(i=0;fds[i] != -1;i++) { + if(fds[i] == fd) return i; + } + return -1; +} + +int main(int argc,char *argv[]) { + fds=malloc(sizeof(int) * (argc+3) / 3); + chans=malloc(sizeof(char *) * (argc+3) / 3); + int i=0; + printf("%d\n",argc); + for(i=0;((i*3)+3)fdmax?fd:fdmax; + for(i=0;fds[i] != -1;i++) { + FD_SET(fds[i],&master); + fdmax=fds[i]>fdmax?fds[i]:fdmax; } - fp=fdopen(fd,"rw"); memset(backlog,0,CHUNK); memset(buffer,0,CHUNK); - if(fd) { - int done=0; - while(!done) { - for(fd=0;fd<=fdmax;fd++) { - if(FD_ISSET(fd,&master)) { - extra_handler(fd); - } + int done=0; + while(!done) { + for(fd=0;fd<=fdmax;fd++) { + if(FD_ISSET(fd,&master)) { + extra_handler(fd); } - readfs=master; - timeout.tv_sec=0; - timeout.tv_usec=1000; - if( select(fdmax+1,&readfs,0,0,&timeout) == -1 ) { - printf("\n!!!It is crashing here!!!\n\n"); - perror("select"); - return 1; - } - for(fd=0;fd<=fdmax;fd++) { - if(FD_ISSET(fd,&readfs)) { - if((n=recv(fd,buffer,CHUNK,0)) <= 0) {//read CHUNK bytes - fprintf(stderr,"recv: %d\n",n); - perror("recv"); - return 2; - } else { - buffer[n]=0;//deff right. - if(bllen+n >= blsize) {//this is probably off... - blsize+=n; - t=malloc(blsize); - if(!t) { - printf("OH FUCK! MALLOC FAILED!\n"); - exit(253); - } - memset(t,0,blsize);//optional? - memcpy(t,backlog,blsize-n+1);//??? - free(backlog); - backlog=t; + } + readfs=master; + timeout.tv_sec=0; + timeout.tv_usec=1000; + if( select(fdmax+1,&readfs,0,0,&timeout) == -1 ) { + printf("\n!!!It is rashing here!!!\n\n"); + perror("select"); + return 1; + } + for(fd=0;fd<=fdmax;fd++) { + if(FD_ISSET(fd,&readfs)) { + if((n=recv(fd,buffer,CHUNK,0)) <= 0) {//read CHUNK bytes + fprintf(stderr,"recv: %d\n",n); + perror("recv"); + return 2; + } else { + buffer[n]=0;//deff right. + if(bllen+n >= blsize) {//this is probably off... + blsize+=n; + t=malloc(blsize); + if(!t) { + printf("OH FUCK! MALLOC FAILED!\n"); + exit(253); } - memcpy(backlog+bllen,buffer,n); - bllen+=n; - for(i=0,s=0;i bllen) { //if the ending position is after the size of the backlog... - bllen=0;//fuck shifting. :P - } else { - for(i=s;i<=bllen;i++) {//should work. - backlog[i-s]=backlog[i]; - } - bllen-=s; + } + //left shift the backlog so the last thing we got to is at the start + if(s > bllen) { //if the ending position is after the size of the backlog... + bllen=0;//fuck shifting. :P + } else { + for(i=s;i<=bllen;i++) {//should work. + backlog[i-s]=backlog[i]; } + bllen-=s; } } } @@ -242,13 +238,8 @@ int runem(int *fd,void (*line_handler)(),void (*extra_handler)()) { } return 0; } -#endif -//:hack.thebackupbox.net 433 * sysbot :Nickname is already in use. -//Need to have it check for this. -//and try a nick? -//or something... -//I don't want to add any string parsing to this function. :/ +//not needed? int ircConnect(char *serv,char *port,char *nick,char *user) { char sendstr[1024]; int fd; @@ -260,4 +251,3 @@ int ircConnect(char *serv,char *port,char *nick,char *user) { write(fd,sendstr,strlen(sendstr)); return fd; } - -- cgit v1.2.3