/*******************************************************************************
*
* File : bbirc.c
* Author : ceeg
* Created : Tue May 22 05:46:13 2007
* Modified : Wed May 23 15:59:49 2007
* Website : www.chrisgillis.net
*
* === bbIRC is a barebonesIRC bot. I'll add stuff when I feel like it. My
* code is probably crap and will destroy your PC so don't run it smile.gif
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
*******************************************************************************/

#include "circus.h"

#define SENDBUFSIZE 1024 /* size for send buf */
#define RECVBUFSIZE 1024 /* size for recv buf */
#define VERSION 0.1 /* Version number */

int main ( int argc, char *argv[] )
{
char recvBuf[RECVBUFSIZE]; /* buffer used for storing recv() messages */
unsigned short bytesRcvd = 0; /* used for indexing recvBuf after recv() */
char pongedOnce = 0; /* bot sent pong? */
char inChannel = 0; /* bot joined a channel? */
char *match; /* used for matching messages */

/* Create a pointer to IrcConnection */
IrcConnection con, *irc = &con;

/* Fill the IrcConnection with values from command line */
IrcLoadValues(irc, argc, argv);

/* Create the socket and connect
* i.e, sock() and connect()
*/
IrcSockConnect(irc);

/* Need to send these two messages to register with the Irc Server
* (not nickserv or anything, thats different)
* NICK <nickname>
* USER nick nick nick :nick
*/
if (IrcSend(irc, SENDBUFSIZE, "NICK %s\nUSER %s . . :%sv%.1f\n", irc->nickname, irc->nickname, irc->nickname, VERSION) < 0)
DieWithError("Error: sending nick/usr failed.");

/* After you send a USER and a NICK you HAVE to start receiving. The server
* will likely send a "PING :<string>" message and you MUST reply to it with
* "PONG :<string>" where <string> == <string>, this is so the server can
* remove dropped connections
*/

/* ============= Main Loop ============= */
while (1) /* repeat until terminated */
{
if ((bytesRcvd = recv(irc->sock, recvBuf, RECVBUFSIZE-1, 0)) <= 0)
DieWithError("recv failed\n");

recvBuf[bytesRcvd] = '\';
printf("%s\n", recvBuf);

/* We now effectively have a message stored in our recv buffer. Get PING
*/
if ((match = strstr(recvBuf, "PING")) != NULL)
{
/* A pong message is in the format PONG :<string>
* "PING :" is 6chars. match+6 is the start of the string we have
* to reply back with.
*/
IrcSend( irc, SENDBUFSIZE,"PONG :%s\n", match+6 );
printf("PONG!\n");
pongedOnce = 1; /* so we can join a channel (gotta send pong first) */
}

if((pongedOnce == 1) && (inChannel == 0))
{
//IrcSend(irc, SENDBUFSIZE, "JOIN #%s\n", irc->channels[0]);
IrcJoinChannel(irc, argv[3]);
IrcJoinChannel(irc, "kjll");
IrcJoinChannel(irc, "ikjl");
inChannel++;
IrcSend(irc, SENDBUFSIZE, "PRIVMSG #%s :%s\n", irc->channels[0], "example");
}
}
return 0;
}









#include "circus.h"

/* IrcSend
* = treat it like snprintf on an IrcConnection
*/

int firstchan = 0;

int IrcSend( IrcConnection *ircon, int bufsize, char *format, ...)
{
va_list args;
char *buffer = malloc((size_t)bufsize);
int retn = 0;
unsigned int bufLen;

va_start(args, format);
vsnprintf(buffer, bufsize, format, args);
va_end(args);

bufLen = strlen(buffer);
if (send(ircon->sock, buffer, bufLen, 0) != bufLen)
retn = -1;

free(buffer);
return retn;
}

void IrcLoadValues( IrcConnection *ircon, int argc, char *argv[])
{
/* Check correct size of argc */
if ( (argc < 4) || (argc > 5) )
{
fprintf(stderr, "Usage: %s <Server IP> <Nick> <Channel> [port]\n", argv[0]);
exit(1);
}

/* Assign values to irc struct */
ircon->serverIp = argv[1];
ircon->nickname = argv[2];

/* explicit port? */
if ( argc == 5 )
ircon->ircServerPort = atoi(argv[4]); /* set port to specified */
else
ircon->ircServerPort = 6667; /* or use standard */

/* zero it */
memset(&(ircon->ircServerAddr), 0, sizeof(ircon->ircServerAddr));
/* internet address family */
ircon->ircServerAddr.sin_family = AF_INET;
/* server ip */
ircon->ircServerAddr.sin_addr.s_addr = inet_addr(ircon->serverIp);
/* http://retran.com/beej/htonsman.html */
ircon->ircServerAddr.sin_port = htons(ircon->ircServerPort);
/* set channel count to 0 */
ircon->cc = 0;
}

int IrcSockConnect( IrcConnection *ircon )
{
/* init the socket */
if ((ircon->sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0)
DieWithError("Error: socket() failed.");

/* It's about time we got to connect() right? */
if (connect(ircon->sock, (struct sockaddr *) &(ircon->ircServerAddr), sizeof(ircon->ircServerAddr)) < 0)
DieWithError("Error: connect() failed.");
}

int IrcJoinChannel( IrcConnection *ircon, char *chan)
{
if( firstchan == 0 )
{
ircon->channels[ircon->cc] = chan;
if(IrcSend(ircon, CHANSENDSIZ, "JOIN #%s\n", ircon->channels[ircon->cc]) < 0)
DieWithError("Error: IrcSend() failed: ");
firstchan++;
}
else
{
ircon->cc += 1;
ircon->channels[ircon->cc] = chan;
if(IrcSend(ircon, CHANSENDSIZ, "JOIN #%s\n", ircon->channels[ircon->cc]) < 0)
DieWithError("Error: IrcSend() failed: ");
}
return ircon->cc;
}

/* DieWithError
*/
void DieWithError( char *errorMsg )
{
perror(errorMsg);
exit(1);
}












#include <stdio.h> /* printf() */
#include <stdlib.h> /* atoi() */
#include <string.h> /* we'll use some string funcs, also memset() */
#include <stdarg.h> /* for va list */
#include <arpa/inet.h> /* sockaddr_in, inet_addr() */
#include <sys/socket.h> /* socket(), connect(), send(), recv() */
#include <unistd.h> /* close() */

#define MAXCHANNELS 31 /* max num of channels one can join */
#define CHANSENDSIZ 100 /* send buffer for JoinChannel */

typedef struct {
/* The socket our server will transmit data on */
int sock;
/* The server address */
struct sockaddr_in ircServerAddr;
/* The port we're going to connect on */
unsigned short ircServerPort;
/* A pointer to char for storing the IP */
char *serverIp;
/* A pointer to char for storing the bots nick */
char *nickname;
/* An array of channels */
char **channels ;
/* how many channels joined? */
int cc; /* channel count */
} IrcConnection;

void DieWithError( char *errorMessage ); /* outputs errorMessage and quits */
int IrcSend( IrcConnection *, int bufsize, char *format, ...); /* sends a message over an IrcConnection */
void IrcLoadValues( IrcConnection *, int argc, char *argv[]); /* loads command line options into IrcCon */
int IrcSockConnect( IrcConnection * ); /* sock() and connect() on IrcConnection */
int IrcJoinChannel( IrcConnection *, char *chan); /* joins a channel */