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/* vim: set shiftwidth=3 softtabstop=3 expandtab: */ |
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|
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/* |
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* Copyright (C) 2002-2003 Erik Fears |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License |
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* as published by the Free Software Foundation; either version 2 |
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* of the License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to |
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* |
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* The Free Software Foundation, Inc. |
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* 59 Temple Place - Suite 330 |
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* Boston, MA 02111-1307, USA. |
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* |
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* |
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*/ |
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|
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#include "setup.h" |
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|
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#include <stdio.h> |
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#include <unistd.h> |
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|
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#ifdef STDC_HEADERS |
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# include <stdlib.h> |
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# include <string.h> |
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#endif |
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|
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#ifdef HAVE_STRINGS_H |
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# include <strings.h> |
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#endif |
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|
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#include <sys/types.h> |
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#include <sys/socket.h> |
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#include <netinet/in.h> |
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#include <arpa/inet.h> |
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|
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#ifdef TIME_WITH_SYS_TIME |
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# include <sys/time.h> |
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# include <time.h> |
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#else |
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# ifdef HAVE_SYS_TIME_H |
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# include <sys/time.h> |
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# else |
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# include <time.h> |
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# endif |
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#endif |
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|
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#include <errno.h> |
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#include <stdarg.h> |
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#include <regex.h> |
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|
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#include "config.h" |
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#include "irc.h" |
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#include "log.h" |
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#include "opercmd.h" |
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#include "scan.h" |
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#include "dnsbl.h" |
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#include "stats.h" |
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#include "extern.h" |
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#include "options.h" |
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#include "match.h" |
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#include "compat.h" |
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#include "negcache.h" |
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#include "malloc.h" |
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#include "main.h" |
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|
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|
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static void irc_init(void); |
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static void irc_connect(void); |
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static void irc_reconnect(void); |
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static void irc_read(void); |
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static void irc_parse(void); |
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|
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static struct ChannelConf *get_channel(const char *); |
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|
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static struct UserInfo *userinfo_create(char *); |
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static void userinfo_free(struct UserInfo *source); |
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|
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static void m_ping(char **, unsigned int, char *, struct UserInfo *); |
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static void m_invite(char **, unsigned int, char *, struct UserInfo *); |
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static void m_privmsg(char **, unsigned int, char *, struct UserInfo *); |
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static void m_ctcp(char **, unsigned int, char *, struct UserInfo *); |
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static void m_notice(char **, unsigned int, char *, struct UserInfo *); |
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static void m_perform(char **, unsigned int, char *, struct UserInfo *); |
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static void m_userhost(char **, unsigned int, char *, struct UserInfo *); |
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static void m_cannot_join(char **, unsigned int, char *, struct UserInfo *); |
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static void m_kill(char **, unsigned int, char *, struct UserInfo *); |
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|
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extern struct cnode *nc_head; |
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|
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/* |
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* Certain variables we don't want to allocate memory for over and over |
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* again so global scope is given. |
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*/ |
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|
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char IRC_RAW[MSGLENMAX]; /* Buffer to read data into */ |
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char IRC_SENDBUFF[MSGLENMAX]; /* Send buffer */ |
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int IRC_RAW_LEN = 0; /* Position of IRC_RAW */ |
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|
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int IRC_FD = 0; /* File descriptor for IRC client */ |
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|
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struct bopm_sockaddr IRC_SVR; /* Sock Address Struct for IRC server */ |
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struct bopm_ircaddr IRC_LOCAL; /* Sock Address Struct for Bind */ |
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|
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fd_set IRC_READ_FDSET; /* fd_set for IRC (read) data for select()*/ |
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struct timeval IRC_TIMEOUT; /* timeval struct for select() timeout */ |
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|
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time_t IRC_LAST = 0; /* Last full line of data from irc server*/ |
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time_t IRC_LASTRECONNECT = 0; /* Time of last reconnection */ |
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|
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/* |
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* Table should be ordered with most occuring (or priority) |
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* commands at the top of the list. |
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*/ |
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static struct CommandHash COMMAND_TABLE[] = |
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{ |
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{ "NOTICE", m_notice }, |
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{ "PRIVMSG", m_privmsg }, |
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{ "PING", m_ping }, |
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{ "INVITE", m_invite }, |
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{ "001", m_perform }, |
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{ "302", m_userhost }, |
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{ "471", m_cannot_join }, |
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{ "473", m_cannot_join }, |
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{ "474", m_cannot_join }, |
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{ "475", m_cannot_join }, |
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{ "KILL", m_kill } |
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}; |
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|
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/* irc_cycle |
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* |
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* Pass control to the IRC portion of HOPM to handle any awaiting IRC events. |
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* |
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* Parameters: |
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* None |
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* |
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* Return: |
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* None |
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*/ |
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void |
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irc_cycle(void) |
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{ |
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if (IRC_FD <= 0) |
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{ |
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/* Initialise negative cache. */ |
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if (OptionsItem->negcache > 0) |
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nc_init(&nc_head); |
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|
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/* Resolve remote host. */ |
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irc_init(); |
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|
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/* Connect to remote host. */ |
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irc_connect(); |
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return; /* In case connect() immediately failed */ |
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} |
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|
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IRC_TIMEOUT.tv_sec = 0; |
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|
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/* Block .025 seconds to avoid excessive CPU use on select(). */ |
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IRC_TIMEOUT.tv_usec = 25000; |
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|
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FD_ZERO(&IRC_READ_FDSET); |
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FD_SET(IRC_FD, &IRC_READ_FDSET); |
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|
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switch (select((IRC_FD + 1), &IRC_READ_FDSET, 0, 0, &IRC_TIMEOUT)) |
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{ |
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case -1: |
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return; |
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break; |
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case 0: |
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break; |
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default: |
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/* Check if IRC data is available. */ |
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if (FD_ISSET(IRC_FD, &IRC_READ_FDSET)) |
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irc_read(); |
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|
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break; |
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} |
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} |
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|
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/* irc_init |
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* |
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* Resolve IRC host and perform other initialization. |
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* |
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* Parameters: |
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* None |
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* |
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* Return: |
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* None |
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*/ |
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static void |
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irc_init(void) |
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{ |
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struct bopm_sockaddr bsaddr; |
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struct in_addr *irc_host; |
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|
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if (IRC_FD) |
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close(IRC_FD); |
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|
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memset(&IRC_SVR, 0, sizeof(IRC_SVR)); |
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memset(&IRC_LOCAL, 0, sizeof(IRC_LOCAL)); |
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memset(&bsaddr, 0, sizeof(struct bopm_sockaddr)); |
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|
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/* Resolve IRC host. */ |
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if ((irc_host = firedns_resolveip4(IRCItem->server)) == NULL) |
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{ |
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log_printf("IRC -> firedns_resolveip4(\"%s\"): %s", IRCItem->server, |
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firedns_strerror(fdns_errno)); |
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exit(EXIT_FAILURE); |
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} |
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|
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IRC_SVR.sa4.sin_family = AF_INET; |
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IRC_SVR.sa4.sin_port = htons(IRCItem->port); |
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IRC_SVR.sa4.sin_addr = *irc_host; |
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|
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if (IRC_SVR.sa4.sin_addr.s_addr == INADDR_NONE) |
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{ |
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log_printf("IRC -> Unknown error resolving remote host (%s)", |
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IRCItem->server); |
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exit(EXIT_FAILURE); |
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} |
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|
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/* Request file desc for IRC client socket */ |
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IRC_FD = socket(AF_INET, SOCK_STREAM, 0); |
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|
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if (IRC_FD == -1) |
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{ |
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switch(errno) |
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{ |
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case EINVAL: |
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case EPROTONOSUPPORT: |
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log_printf("IRC -> socket(): SOCK_STREAM is not " |
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"supported on this domain"); |
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break; |
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case ENFILE: |
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log_printf("IRC -> socket(): Not enough free file " |
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"descriptors to allocate IRC socket"); |
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break; |
247 |
case EMFILE: |
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log_printf("IRC -> socket(): Process table overflow when " |
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"requesting file descriptor"); |
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break; |
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case EACCES: |
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log_printf("IRC -> socket(): Permission denied to create " |
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"socket of type SOCK_STREAM"); |
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break; |
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case ENOMEM: |
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log_printf("IRC -> socket(): Insufficient memory to " |
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"allocate socket"); |
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break; |
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default: |
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log_printf("IRC -> socket(): Unknown error allocating " |
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"socket"); |
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break; |
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} |
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|
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exit(EXIT_FAILURE); |
266 |
} |
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|
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/* Bind */ |
269 |
if (!EmptyString(IRCItem->vhost)) |
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{ |
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int bindret = 0; |
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|
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if (!inet_pton(AF_INET, IRCItem->vhost, &(IRC_LOCAL.in4.s_addr))) |
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{ |
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log_printf("IRC -> bind(): %s is an invalid address", IRCItem->vhost); |
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exit(EXIT_FAILURE); |
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} |
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|
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bsaddr.sa4.sin_addr.s_addr = IRC_LOCAL.in4.s_addr; |
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bsaddr.sa4.sin_family = AF_INET; |
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bsaddr.sa4.sin_port = htons(0); |
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|
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bindret = bind(IRC_FD, (struct sockaddr *) &(bsaddr.sa4), sizeof(bsaddr.sa4)); |
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|
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if (bindret) |
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{ |
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switch(errno) |
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{ |
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case EACCES: |
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log_printf("IRC -> bind(): No access to bind to %s", |
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IRCItem->vhost); |
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break; |
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default: |
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log_printf("IRC -> bind(): Error binding to %s (%d)", |
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IRCItem->vhost, errno); |
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break; |
297 |
} |
298 |
exit(EXIT_FAILURE); |
299 |
} |
300 |
} |
301 |
} |
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|
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/* irc_send |
304 |
* |
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* Send data to remote IRC host. |
306 |
* |
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* Parameters: |
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* data: Format of data to send |
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* ...: varargs to format with |
310 |
* |
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* Return: NONE |
312 |
*/ |
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void |
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irc_send(const char *data, ...) |
315 |
{ |
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va_list arglist; |
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char data2[MSGLENMAX]; |
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char tosend[MSGLENMAX]; |
319 |
|
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va_start(arglist, data); |
321 |
vsnprintf(data2, MSGLENMAX, data, arglist); |
322 |
va_end(arglist); |
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|
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if (OPT_DEBUG >= 2) |
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log_printf("IRC SEND -> %s", data2); |
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|
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snprintf(tosend, MSGLENMAX, "%s\n", data2); |
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|
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if (send(IRC_FD, tosend, strlen(tosend), 0) == -1) |
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{ |
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/* Return of -1 indicates error sending data; we reconnect. */ |
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log_printf("IRC -> Error sending data to server\n"); |
333 |
irc_reconnect(); |
334 |
} |
335 |
} |
336 |
|
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/* irc_send |
338 |
* |
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* Send privmsg to all channels. |
340 |
* |
341 |
* Parameters: |
342 |
* data: Format of data to send |
343 |
* ...: varargs to format with |
344 |
* |
345 |
* Return: NONE |
346 |
*/ |
347 |
void |
348 |
irc_send_channels(const char *data, ...) |
349 |
{ |
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const node_t *node; |
351 |
va_list arglist; |
352 |
char buf[MSGLENMAX]; |
353 |
|
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va_start(arglist, data); |
355 |
vsnprintf(buf, sizeof(buf), data, arglist); |
356 |
va_end(arglist); |
357 |
|
358 |
|
359 |
LIST_FOREACH(node, IRCItem->channels->head) |
360 |
{ |
361 |
const struct ChannelConf *chan = node->data; |
362 |
|
363 |
irc_send("PRIVMSG %s :%s", chan->name, buf); |
364 |
} |
365 |
} |
366 |
|
367 |
/* irc_connect |
368 |
* |
369 |
* Connect to IRC server. |
370 |
* XXX: FD allocation done here |
371 |
* |
372 |
* Parameters: NONE |
373 |
* Return: NONE |
374 |
*/ |
375 |
static void |
376 |
irc_connect(void) |
377 |
{ |
378 |
/* Connect to IRC server as client. */ |
379 |
if (connect(IRC_FD, (struct sockaddr *)&IRC_SVR, sizeof(IRC_SVR)) == -1) |
380 |
{ |
381 |
switch (errno) |
382 |
{ |
383 |
case EISCONN: |
384 |
/* Already connected */ |
385 |
return; |
386 |
case ECONNREFUSED: |
387 |
log_printf("IRC -> connect(): Connection refused by (%s)", |
388 |
IRCItem->server); |
389 |
break; |
390 |
case ETIMEDOUT: |
391 |
log_printf("IRC -> connect(): Timed out connecting to (%s)", |
392 |
IRCItem->server); |
393 |
break; |
394 |
case ENETUNREACH: |
395 |
log_printf("IRC -> connect(): Network unreachable"); |
396 |
break; |
397 |
case EALREADY: |
398 |
/* Previous attempt not complete */ |
399 |
return; |
400 |
default: |
401 |
log_printf("IRC -> connect(): Unknown error connecting to (%s)", |
402 |
IRCItem->server); |
403 |
|
404 |
if (OPT_DEBUG >= 1) |
405 |
log_printf("%s", strerror(errno)); |
406 |
} |
407 |
|
408 |
/* Try to connect again */ |
409 |
irc_reconnect(); |
410 |
return; |
411 |
} |
412 |
|
413 |
irc_send("NICK %s", IRCItem->nick); |
414 |
|
415 |
if (!EmptyString(IRCItem->password)) |
416 |
irc_send("PASS %s", IRCItem->password); |
417 |
|
418 |
irc_send("USER %s %s %s :%s", |
419 |
IRCItem->username, |
420 |
IRCItem->username, |
421 |
IRCItem->username, |
422 |
IRCItem->realname); |
423 |
time(&IRC_LAST); |
424 |
} |
425 |
|
426 |
/* irc_reconnect |
427 |
* |
428 |
* Close connection to IRC server. |
429 |
* |
430 |
* Parameters: NONE |
431 |
* |
432 |
* Return: NONE |
433 |
*/ |
434 |
static void |
435 |
irc_reconnect(void) |
436 |
{ |
437 |
time_t present; |
438 |
|
439 |
time(&present); |
440 |
|
441 |
/* Only try to reconnect every RECONNECT_INTERVAL seconds */ |
442 |
if ((present - IRC_LASTRECONNECT) < RECONNECTINTERVAL) |
443 |
{ |
444 |
/* Sleep to avoid excessive CPU */ |
445 |
sleep(1); |
446 |
return; |
447 |
} |
448 |
|
449 |
time(&IRC_LASTRECONNECT); |
450 |
|
451 |
if (IRC_FD > 0) |
452 |
close(IRC_FD); |
453 |
|
454 |
/* Set IRC_FD 0 for reconnection on next irc_cycle(). */ |
455 |
IRC_FD = 0; |
456 |
|
457 |
log_printf("IRC -> Connection to (%s) failed, reconnecting.", IRCItem->server); |
458 |
} |
459 |
|
460 |
/* irc_read |
461 |
* |
462 |
* irc_read is called my irc_cycle when new data is ready to be |
463 |
* read from the irc server. |
464 |
* |
465 |
* Parameters: NONE |
466 |
* Return: NONE |
467 |
*/ |
468 |
static void |
469 |
irc_read(void) |
470 |
{ |
471 |
int len; |
472 |
char c; |
473 |
|
474 |
while ((len = read(IRC_FD, &c, 1)) > 0) |
475 |
{ |
476 |
if (c == '\r') |
477 |
continue; |
478 |
|
479 |
if (c == '\n') |
480 |
{ |
481 |
/* Null string. */ |
482 |
IRC_RAW[IRC_RAW_LEN] = '\0'; |
483 |
/* Parse line. */ |
484 |
irc_parse(); |
485 |
/* Reset counter. */ |
486 |
IRC_RAW_LEN = 0; |
487 |
break; |
488 |
} |
489 |
|
490 |
if (c != '\r' && c != '\n' && c != '\0') |
491 |
IRC_RAW[IRC_RAW_LEN++] = c; |
492 |
} |
493 |
|
494 |
if((len <= 0) && (errno != EAGAIN)) |
495 |
{ |
496 |
if(OPT_DEBUG >= 2) |
497 |
log_printf("irc_read -> errno=%d len=%d", errno, len); |
498 |
irc_reconnect(); |
499 |
IRC_RAW_LEN = 0; |
500 |
return; |
501 |
} |
502 |
} |
503 |
|
504 |
/* irc_parse |
505 |
* |
506 |
* irc_parse is called by irc_read when a full line of data |
507 |
* is ready to be parsed. |
508 |
* |
509 |
* Parameters: NONE |
510 |
* Return: NONE |
511 |
*/ |
512 |
static void |
513 |
irc_parse(void) |
514 |
{ |
515 |
struct UserInfo *source_p; |
516 |
char *pos; |
517 |
unsigned int i; |
518 |
|
519 |
/* |
520 |
parv stores the parsed token, parc is the count of the parsed |
521 |
tokens |
522 |
|
523 |
parv[0] is ALWAYS the source, and is the server name of the source |
524 |
did not exist |
525 |
*/ |
526 |
|
527 |
static char *parv[17]; |
528 |
static unsigned int parc; |
529 |
static char msg[MSGLENMAX]; /* Temporarily stores IRC msg to pass to handlers */ |
530 |
|
531 |
parc = 1; |
532 |
|
533 |
if(IRC_RAW_LEN <= 0) |
534 |
return; |
535 |
|
536 |
if (OPT_DEBUG >= 2) |
537 |
log_printf("IRC READ -> %s", IRC_RAW); |
538 |
|
539 |
time(&IRC_LAST); |
540 |
|
541 |
/* Store a copy of IRC_RAW for the handlers (for functions that need PROOF) */ |
542 |
strlcpy(msg, IRC_RAW, sizeof(msg)); |
543 |
|
544 |
/* parv[0] is always the source */ |
545 |
if(IRC_RAW[0] == ':') |
546 |
parv[0] = IRC_RAW + 1; |
547 |
else |
548 |
{ |
549 |
parv[0] = IRCItem->server; |
550 |
parv[parc++] = IRC_RAW; |
551 |
} |
552 |
|
553 |
pos = IRC_RAW; |
554 |
|
555 |
while((pos = strchr(pos, ' ')) && parc <= 17) |
556 |
{ |
557 |
|
558 |
/* Avoid excessive spaces and end of IRC_RAW */ |
559 |
if(*(pos + 1) == ' ' && *(pos + 1) == '\0') |
560 |
{ |
561 |
pos++; |
562 |
continue; |
563 |
} |
564 |
|
565 |
/* Anything after a : is considered the final string of the |
566 |
message */ |
567 |
if(*(pos + 1) == ':') |
568 |
{ |
569 |
parv[parc++] = pos + 2; |
570 |
*pos = '\0'; |
571 |
break; |
572 |
} |
573 |
|
574 |
/* Set the next parv at this position and replace the space with a |
575 |
\0 for the previous parv */ |
576 |
parv[parc++] = pos + 1; |
577 |
*pos = '\0'; |
578 |
pos++; |
579 |
} |
580 |
|
581 |
/* Generate a UserInfo struct from the source */ |
582 |
|
583 |
source_p = userinfo_create(parv[0]); |
584 |
|
585 |
/* Determine which command this is from the command table |
586 |
and let the handler for that command take control */ |
587 |
|
588 |
for(i = 0; i < (sizeof(COMMAND_TABLE) / sizeof(struct CommandHash)); i++) |
589 |
if(strcasecmp(COMMAND_TABLE[i].command, parv[1]) == 0) |
590 |
{ |
591 |
(*COMMAND_TABLE[i].handler)(parv, parc, msg, source_p); |
592 |
break; |
593 |
} |
594 |
|
595 |
userinfo_free(source_p); |
596 |
} |
597 |
|
598 |
/* irc_timer |
599 |
* |
600 |
* Functions to be performed every ~seconds. |
601 |
* |
602 |
* Parameters: NONE |
603 |
* Return: NONE |
604 |
*/ |
605 |
void |
606 |
irc_timer(void) |
607 |
{ |
608 |
time_t present, delta; |
609 |
|
610 |
time(&present); |
611 |
|
612 |
delta = present - IRC_LAST; |
613 |
|
614 |
/* No data in NODATA_TIMEOUT minutes (set in options.h). */ |
615 |
if (delta >= NODATA_TIMEOUT) |
616 |
{ |
617 |
log_printf("IRC -> Timeout awaiting data from server."); |
618 |
irc_reconnect(); |
619 |
|
620 |
/* Make sure we dont do this again for a while */ |
621 |
time(&IRC_LAST); |
622 |
} |
623 |
else if (delta >= NODATA_TIMEOUT / 2) |
624 |
{ |
625 |
/* |
626 |
* Generate some data so high ping times or bugs in certain |
627 |
* ircds (*cough* unreal *cough*) don't cause uneeded |
628 |
* reconnections |
629 |
*/ |
630 |
irc_send("PING :HOPM"); |
631 |
} |
632 |
} |
633 |
|
634 |
/* get_channel |
635 |
* |
636 |
* Check if a channel is defined in our conf. If so return |
637 |
* a pointer to it. |
638 |
* |
639 |
* Parameters: |
640 |
* channel: channel to search conf for |
641 |
* |
642 |
* Return: Pointer to ChannelConf containing the channel |
643 |
*/ |
644 |
static struct ChannelConf * |
645 |
get_channel(const char *channel) |
646 |
{ |
647 |
node_t *node; |
648 |
struct ChannelConf *item; |
649 |
|
650 |
LIST_FOREACH(node, IRCItem->channels->head) |
651 |
{ |
652 |
item = node->data; |
653 |
|
654 |
if (strcasecmp(item->name, channel) == 0) |
655 |
return item; |
656 |
} |
657 |
|
658 |
return NULL; |
659 |
} |
660 |
|
661 |
/* userinfo_create |
662 |
* |
663 |
* Parse a nick!user@host into a UserInfo struct |
664 |
* and return a pointer to the new struct. |
665 |
* |
666 |
* Parameters: |
667 |
* source: nick!user@host to parse |
668 |
* |
669 |
* Return: |
670 |
* pointer to new UserInfo struct, or NULL if parsing failed |
671 |
*/ |
672 |
static struct UserInfo * |
673 |
userinfo_create(char *source) |
674 |
{ |
675 |
struct UserInfo *ret; |
676 |
char *nick; |
677 |
char *username; |
678 |
char *hostname; |
679 |
char *tmp; |
680 |
int i, len; |
681 |
|
682 |
nick = username = hostname = NULL; |
683 |
tmp = xstrdup(source); |
684 |
len = strlen(tmp); |
685 |
nick = tmp; |
686 |
|
687 |
for (i = 0; i < len; ++i) |
688 |
{ |
689 |
if (tmp[i] == '!') |
690 |
{ |
691 |
tmp[i] = '\0'; |
692 |
username = tmp + i + 1; |
693 |
} |
694 |
|
695 |
if (tmp[i] == '@') |
696 |
{ |
697 |
tmp[i] = '\0'; |
698 |
hostname = tmp + i + 1; |
699 |
} |
700 |
} |
701 |
|
702 |
if (nick == NULL || username == NULL || hostname == NULL) |
703 |
{ |
704 |
MyFree(tmp); |
705 |
return NULL; |
706 |
} |
707 |
|
708 |
ret = MyMalloc(sizeof *ret); |
709 |
ret->irc_nick = xstrdup(nick); |
710 |
ret->irc_username = xstrdup(username); |
711 |
ret->irc_hostname = xstrdup(hostname); |
712 |
|
713 |
MyFree(tmp); |
714 |
|
715 |
return ret; |
716 |
}; |
717 |
|
718 |
/* userinfo_free |
719 |
* |
720 |
* Free a UserInfo struct created with userinfo_create. |
721 |
* |
722 |
* Parameters: |
723 |
* source: struct to free |
724 |
* |
725 |
* Return: None |
726 |
*/ |
727 |
static void |
728 |
userinfo_free(struct UserInfo *source_p) |
729 |
{ |
730 |
if (source_p == NULL) |
731 |
return; |
732 |
|
733 |
MyFree(source_p->irc_nick); |
734 |
MyFree(source_p->irc_username); |
735 |
MyFree(source_p->irc_hostname); |
736 |
MyFree(source_p); |
737 |
} |
738 |
|
739 |
/* m_perform |
740 |
* |
741 |
* actions to perform on IRC connection |
742 |
* |
743 |
* Parameters: |
744 |
* parv[0] = source |
745 |
* parv[1] = PING |
746 |
* parv[2] = PING TS/Package |
747 |
* |
748 |
* source_p: UserInfo struct of the source user, or NULL if |
749 |
* the source (parv[0]) is a server. |
750 |
*/ |
751 |
static void |
752 |
m_perform(char **parv, unsigned int parc, char *msg, struct UserInfo *notused) |
753 |
{ |
754 |
node_t *node; |
755 |
|
756 |
log_printf("IRC -> Connected to %s:%d", IRCItem->server, IRCItem->port); |
757 |
|
758 |
/* Identify to nickserv if needed */ |
759 |
if (!EmptyString(IRCItem->nickserv)) |
760 |
irc_send("%s", IRCItem->nickserv); |
761 |
|
762 |
/* Oper */ |
763 |
irc_send("OPER %s", IRCItem->oper); |
764 |
|
765 |
/* Set modes */ |
766 |
irc_send("MODE %s %s", IRCItem->nick, IRCItem->mode); |
767 |
|
768 |
/* Set Away */ |
769 |
if (!EmptyString(IRCItem->away)) |
770 |
irc_send("AWAY :%s", IRCItem->away); |
771 |
|
772 |
/* Perform */ |
773 |
LIST_FOREACH(node, IRCItem->performs->head) |
774 |
irc_send("%s", node->data); |
775 |
|
776 |
/* Join all listed channels. */ |
777 |
LIST_FOREACH(node, IRCItem->channels->head) |
778 |
{ |
779 |
struct ChannelConf *channel = node->data; |
780 |
|
781 |
if (EmptyString(channel->name)) |
782 |
continue; |
783 |
|
784 |
if (!EmptyString(channel->key)) |
785 |
irc_send("JOIN %s %s", channel->name, channel->key); |
786 |
else |
787 |
irc_send("JOIN %s", channel->name); |
788 |
} |
789 |
} |
790 |
|
791 |
/* m_ping |
792 |
* |
793 |
* parv[0] = source |
794 |
* parv[1] = PING |
795 |
* parv[2] = PING TS/Package |
796 |
* |
797 |
* source_p: UserInfo struct of the source user, or NULL if |
798 |
* the source (parv[0]) is a server. |
799 |
*/ |
800 |
static void |
801 |
m_ping(char **parv, unsigned int parc, char *msg, struct UserInfo *source_p) |
802 |
{ |
803 |
if (parc < 3) |
804 |
return; |
805 |
|
806 |
if (OPT_DEBUG >= 2) |
807 |
log_printf("IRC -> PING? PONG!"); |
808 |
|
809 |
irc_send("PONG %s", parv[2]); |
810 |
} |
811 |
|
812 |
/* m_invite |
813 |
* |
814 |
* parv[0] = source |
815 |
* parv[1] = INVITE |
816 |
* parv[2] = target |
817 |
* parv[3] = channel |
818 |
* |
819 |
* source_p: UserInfo struct of the source user, or NULL if |
820 |
* the source (parv[0]) is a server. |
821 |
*/ |
822 |
static void |
823 |
m_invite(char **parv, unsigned int parc, char *msg, struct UserInfo *source_p) |
824 |
{ |
825 |
struct ChannelConf *channel; |
826 |
|
827 |
if (parc < 4) |
828 |
return; |
829 |
|
830 |
log_printf("IRC -> Invited to %s by %s", parv[3], parv[0]); |
831 |
|
832 |
if ((channel = get_channel(parv[3])) == NULL) |
833 |
return; |
834 |
|
835 |
irc_send("JOIN %s %s", channel->name, channel->key); |
836 |
} |
837 |
|
838 |
/* m_privmsg |
839 |
* |
840 |
* parv[0] = source |
841 |
* parv[1] = PRIVMSG |
842 |
* parv[2] = target (channel or user) |
843 |
* parv[3] = message |
844 |
* |
845 |
* source_p: UserInfo struct of the source user, or NULL if |
846 |
* the source (parv[0]) is a server. |
847 |
*/ |
848 |
static void |
849 |
m_privmsg(char **parv, unsigned int parc, char *msg, struct UserInfo *source_p) |
850 |
{ |
851 |
struct ChannelConf *channel; |
852 |
size_t nick_len; |
853 |
|
854 |
if (source_p == NULL) |
855 |
return; |
856 |
|
857 |
if (parc < 4) |
858 |
return; |
859 |
|
860 |
/* CTCP */ |
861 |
if (parv[3][0] == '\001') |
862 |
m_ctcp(parv, parc, msg, source_p); |
863 |
|
864 |
/* Only interested in privmsg to channels */ |
865 |
if (parv[2][0] != '#' && parv[2][0] != '&') |
866 |
return; |
867 |
|
868 |
/* Get a target */ |
869 |
if ((channel = get_channel(parv[2])) == NULL) |
870 |
return; |
871 |
|
872 |
/* Find a suitable length to compare with */ |
873 |
nick_len = strcspn(parv[3], " :,"); |
874 |
|
875 |
if (nick_len < 3 && strlen(IRCItem->nick) >= 3) |
876 |
nick_len = 3; |
877 |
|
878 |
/* message is a command */ |
879 |
if (strncasecmp(parv[3], IRCItem->nick, nick_len) == 0 || |
880 |
strncasecmp(parv[3], "!all", 4) == 0) |
881 |
{ |
882 |
/* XXX command_parse will alter parv[3]. */ |
883 |
command_parse(parv[3], msg, channel, source_p); |
884 |
} |
885 |
} |
886 |
|
887 |
/* m_ctcp |
888 |
* parv[0] = source |
889 |
* parv[1] = PRIVMSG |
890 |
* parv[2] = target (channel or user) |
891 |
* parv[3] = message |
892 |
* |
893 |
* source_p: UserInfo struct of the source user, or NULL if |
894 |
* the source (parv[0]) is a server. |
895 |
* |
896 |
*/ |
897 |
static void |
898 |
m_ctcp(char **parv, unsigned int parc, char *msg, struct UserInfo *source_p) |
899 |
{ |
900 |
if (strncasecmp(parv[3], "\001VERSION\001", 9) == 0) |
901 |
irc_send("NOTICE %s :\001VERSION Hybrid Open Proxy Monitor %s\001", |
902 |
source_p->irc_nick, VERSION); |
903 |
} |
904 |
|
905 |
/* m_notice |
906 |
* |
907 |
* parv[0] = source |
908 |
* parv[1] = NOTICE |
909 |
* parv[2] = target |
910 |
* parv[3] = message |
911 |
* |
912 |
* |
913 |
* source_p: UserInfo struct of the source user, or NULL if |
914 |
* the source (parv[0]) is a server. |
915 |
* |
916 |
*/ |
917 |
static void |
918 |
m_notice(char **parv, unsigned int parc, char *msg, struct UserInfo *source_p) |
919 |
{ |
920 |
static regex_t *preg = NULL; |
921 |
regmatch_t pmatch[5]; |
922 |
|
923 |
static char errmsg[256]; |
924 |
int errnum, i; |
925 |
char *user[4]; |
926 |
|
927 |
if (parc < 4) |
928 |
return; |
929 |
|
930 |
/* Not interested in notices from users */ |
931 |
if (source_p) |
932 |
return; |
933 |
|
934 |
/* Compile the regular expression if it has not been already */ |
935 |
if (preg == NULL) |
936 |
{ |
937 |
preg = MyMalloc(sizeof *preg); |
938 |
|
939 |
if ((errnum = regcomp(preg, IRCItem->connregex, REG_ICASE | REG_EXTENDED))) |
940 |
{ |
941 |
regerror(errnum, preg, errmsg, 256); |
942 |
log_printf("IRC REGEX -> Error when compiling regular expression"); |
943 |
log_printf("IRC REGEX -> %s", errmsg); |
944 |
|
945 |
MyFree(preg); |
946 |
preg = NULL; |
947 |
return; |
948 |
} |
949 |
} |
950 |
|
951 |
/* Match the expression against the possible connection notice */ |
952 |
if (regexec(preg, parv[3], 5, pmatch, 0)) |
953 |
return; |
954 |
|
955 |
if (OPT_DEBUG > 0) |
956 |
log_printf("IRC REGEX -> Regular expression caught connection notice. Parsing."); |
957 |
|
958 |
if (pmatch[4].rm_so == -1) |
959 |
{ |
960 |
log_printf("IRC REGEX -> pmatch[4].rm_so is -1 while parsing??? Aborting."); |
961 |
return; |
962 |
} |
963 |
|
964 |
/* |
965 |
* Offsets for data in the connection notice: |
966 |
* |
967 |
* NICKNAME: pmatch[1].rm_so TO pmatch[1].rm_eo |
968 |
* USERNAME: pmatch[2].rm_so TO pmatch[2].rm_eo |
969 |
* HOSTNAME: pmatch[3].rm_so TO pmatch[3].rm_eo |
970 |
* IP : pmatch[4].rm_so TO pmatch[4].rm_eo |
971 |
*/ |
972 |
for (i = 0; i < 4; ++i) |
973 |
{ |
974 |
user[i] = (parv[3] + pmatch[i + 1].rm_so); |
975 |
*(parv[3] + pmatch[i + 1].rm_eo) = '\0'; |
976 |
} |
977 |
|
978 |
if (OPT_DEBUG > 0) |
979 |
log_printf("IRC REGEX -> Parsed %s!%s@%s [%s] from connection notice.", |
980 |
user[0], user[1], user[2], user[3]); |
981 |
|
982 |
/*FIXME (reminder) In the case of any rehash to the regex, preg MUST be freed first. |
983 |
regfree(preg); |
984 |
*/ |
985 |
|
986 |
/* Pass this information off to scan.c */ |
987 |
scan_connect(user, msg); |
988 |
|
989 |
/* Record the connect for stats purposes */ |
990 |
stats_connect(); |
991 |
} |
992 |
|
993 |
/* m_userhost |
994 |
* |
995 |
* parv[0] = source |
996 |
* parv[1] = USERHOST |
997 |
* parv[2] = target (hopm) |
998 |
* parv[3] = :nick=(flags)user@host |
999 |
* |
1000 |
* |
1001 |
* source_p: UserInfo struct of the source user, or NULL if |
1002 |
* the source (parv[0]) is a server. |
1003 |
* |
1004 |
*/ |
1005 |
static void |
1006 |
m_userhost(char **parv, unsigned int parc, char *msg, struct UserInfo *source_p) |
1007 |
{ |
1008 |
if (parc < 4) |
1009 |
return; |
1010 |
|
1011 |
command_userhost(parv[3]); |
1012 |
} |
1013 |
|
1014 |
/* m_cannot_join |
1015 |
* |
1016 |
* parv[0] = source |
1017 |
* parv[1] = numeric |
1018 |
* parv[2] = target (hopm) |
1019 |
* parv[3] = channel |
1020 |
* parv[4] = error text |
1021 |
* |
1022 |
*/ |
1023 |
static void |
1024 |
m_cannot_join(char **parv, unsigned int parc, char *msg, struct UserInfo *source_p) |
1025 |
{ |
1026 |
struct ChannelConf *channel; |
1027 |
|
1028 |
if (parc < 5) |
1029 |
return; |
1030 |
|
1031 |
/* Is it one of our channels? */ |
1032 |
if ((channel = get_channel(parv[3])) == NULL) |
1033 |
return; |
1034 |
|
1035 |
if (EmptyString(channel->invite)) |
1036 |
return; |
1037 |
|
1038 |
irc_send("%s", channel->invite); |
1039 |
} |
1040 |
|
1041 |
/* m_kill |
1042 |
* |
1043 |
* parv[0] = source |
1044 |
* parv[1] = numeric |
1045 |
* parv[2] = target (hopm) |
1046 |
* parv[3] = channel |
1047 |
* parv[4] = error text |
1048 |
* |
1049 |
*/ |
1050 |
static void |
1051 |
m_kill(char **parv, unsigned int parc, char *msg, struct UserInfo *source_p) |
1052 |
{ |
1053 |
/* Restart hopm to rehash */ |
1054 |
main_restart(); |
1055 |
} |