diff options
Diffstat (limited to 'irc_send.c')
| -rw-r--r-- | irc_send.c | 380 |
1 files changed, 380 insertions, 0 deletions
diff --git a/irc_send.c b/irc_send.c new file mode 100644 index 00000000..b3283152 --- /dev/null +++ b/irc_send.c @@ -0,0 +1,380 @@ + /********************************************************************\ + * BitlBee -- An IRC to other IM-networks gateway * + * * + * Copyright 2002-2010 Wilmer van der Gaast and others * + \********************************************************************/ + +/* The IRC-based UI - Sending responses to commands/etc. */ + +/* + 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 with + the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL; + if not, write to the Free Software Foundation, Inc., 59 Temple Place, + Suite 330, Boston, MA 02111-1307 USA +*/ + +#include "bitlbee.h" + +void irc_send_num( irc_t *irc, int code, char *format, ... ) +{ + char text[IRC_MAX_LINE]; + va_list params; + + va_start( params, format ); + g_vsnprintf( text, IRC_MAX_LINE, format, params ); + va_end( params ); + + irc_write( irc, ":%s %03d %s %s", irc->root->host, code, irc->user->nick ? : "*", text ); +} + +void irc_send_login( irc_t *irc ) +{ + irc_send_num( irc, 1, ":Welcome to the BitlBee gateway, %s", irc->user->nick ); + irc_send_num( irc, 2, ":Host %s is running BitlBee " BITLBEE_VERSION " " ARCH "/" CPU ".", irc->root->host ); + irc_send_num( irc, 3, ":%s", IRCD_INFO ); + irc_send_num( irc, 4, "%s %s %s %s", irc->root->host, BITLBEE_VERSION, UMODES UMODES_PRIV, CMODES ); + irc_send_num( irc, 5, "PREFIX=(ov)@+ CHANTYPES=%s CHANMODES=,,,%s NICKLEN=%d NETWORK=BitlBee " + "CASEMAPPING=rfc1459 MAXTARGETS=1 WATCH=128 :are supported by this server", + CTYPES, CMODES, MAX_NICK_LENGTH - 1 ); + irc_send_motd( irc ); +} + +void irc_send_motd( irc_t *irc ) +{ + int fd; + + fd = open( global.conf->motdfile, O_RDONLY ); + if( fd == -1 ) + { + irc_send_num( irc, 422, ":We don't need MOTDs." ); + } + else + { + char linebuf[80]; /* Max. line length for MOTD's is 79 chars. It's what most IRC networks seem to do. */ + char *add, max; + int len; + + linebuf[79] = len = 0; + max = sizeof( linebuf ) - 1; + + irc_send_num( irc, 375, ":- %s Message Of The Day - ", irc->root->host ); + while( read( fd, linebuf + len, 1 ) == 1 ) + { + if( linebuf[len] == '\n' || len == max ) + { + linebuf[len] = 0; + irc_send_num( irc, 372, ":- %s", linebuf ); + len = 0; + } + else if( linebuf[len] == '%' ) + { + read( fd, linebuf + len, 1 ); + if( linebuf[len] == 'h' ) + add = irc->root->host; + else if( linebuf[len] == 'v' ) + add = BITLBEE_VERSION; + else if( linebuf[len] == 'n' ) + add = irc->user->nick; + else + add = "%"; + + strncpy( linebuf + len, add, max - len ); + while( linebuf[++len] ); + } + else if( len < max ) + { + len ++; + } + } + irc_send_num( irc, 376, ":End of MOTD" ); + close( fd ); + } +} + +void irc_usermsg( irc_t *irc, char *format, ... ) +{ + irc_channel_t *ic; + irc_user_t *iu; + char text[1024]; + va_list params; + + va_start( params, format ); + g_vsnprintf( text, sizeof( text ), format, params ); + va_end( params ); + + if( irc->last_root_cmd && + irc_channel_name_ok( irc->last_root_cmd ) && + ( ic = irc_channel_by_name( irc, irc->last_root_cmd ) ) && + ic->flags & IRC_CHANNEL_JOINED ) + irc_send_msg( irc->root, "PRIVMSG", irc->last_root_cmd, text, NULL ); + else if( irc->last_root_cmd && + ( iu = irc_user_by_name( irc, irc->last_root_cmd ) ) && + iu->f == &irc_user_root_funcs ) + irc_send_msg( iu, "PRIVMSG", irc->user->nick, text, NULL ); + else + { + g_free( irc->last_root_cmd ); + irc->last_root_cmd = NULL; + + irc_send_msg( irc->root, "PRIVMSG", irc->user->nick, text, NULL ); + } + + /*return( irc_msgfrom( irc, u->nick, text ) );*/ +} + +void irc_send_join( irc_channel_t *ic, irc_user_t *iu ) +{ + irc_t *irc = ic->irc; + + irc_write( irc, ":%s!%s@%s JOIN :%s", iu->nick, iu->user, iu->host, ic->name ); + + if( iu == irc->user ) + { + irc_write( irc, ":%s MODE %s +%s", irc->root->host, ic->name, ic->mode ); + irc_send_names( ic ); + if( ic->topic && *ic->topic ) + irc_send_topic( ic, FALSE ); + } +} + +void irc_send_part( irc_channel_t *ic, irc_user_t *iu, const char *reason ) +{ + irc_write( ic->irc, ":%s!%s@%s PART %s :%s", iu->nick, iu->user, iu->host, ic->name, reason ); +} + +void irc_send_names( irc_channel_t *ic ) +{ + GSList *l; + char namelist[385] = ""; + + /* RFCs say there is no error reply allowed on NAMES, so when the + channel is invalid, just give an empty reply. */ + for( l = ic->users; l; l = l->next ) + { + irc_channel_user_t *icu = l->data; + irc_user_t *iu = icu->iu; + + if( strlen( namelist ) + strlen( iu->nick ) > sizeof( namelist ) - 4 ) + { + irc_send_num( ic->irc, 353, "= %s :%s", ic->name, namelist ); + *namelist = 0; + } + + if( icu->flags & IRC_CHANNEL_USER_OP ) + strcat( namelist, "@" ); + else if( icu->flags & IRC_CHANNEL_USER_HALFOP ) + strcat( namelist, "%" ); + else if( icu->flags & IRC_CHANNEL_USER_VOICE ) + strcat( namelist, "+" ); + + strcat( namelist, iu->nick ); + strcat( namelist, " " ); + } + + if( *namelist ) + irc_send_num( ic->irc, 353, "= %s :%s", ic->name, namelist ); + + irc_send_num( ic->irc, 366, "%s :End of /NAMES list", ic->name ); +} + +void irc_send_topic( irc_channel_t *ic, gboolean topic_change ) +{ + if( topic_change && ic->topic_who ) + { + irc_write( ic->irc, ":%s TOPIC %s :%s", ic->topic_who, + ic->name, ic->topic && *ic->topic ? ic->topic : "" ); + } + else if( ic->topic ) + { + irc_send_num( ic->irc, 332, "%s :%s", ic->name, ic->topic ); + if( ic->topic_who ) + irc_send_num( ic->irc, 333, "%s %s %d", + ic->name, ic->topic_who, (int) ic->topic_time ); + } + else + irc_send_num( ic->irc, 331, "%s :No topic for this channel", ic->name ); +} + +void irc_send_whois( irc_user_t *iu ) +{ + irc_t *irc = iu->irc; + + irc_send_num( irc, 311, "%s %s %s * :%s", + iu->nick, iu->user, iu->host, iu->fullname ); + + if( iu->bu ) + { + bee_user_t *bu = iu->bu; + + irc_send_num( irc, 312, "%s %s.%s :%s network", iu->nick, bu->ic->acc->user, + bu->ic->acc->server && *bu->ic->acc->server ? bu->ic->acc->server : "", + bu->ic->acc->prpl->name ); + + if( ( bu->status && *bu->status ) || + ( bu->status_msg && *bu->status_msg ) ) + { + int num = bu->flags & BEE_USER_AWAY ? 301 : 320; + + if( bu->status && bu->status_msg ) + irc_send_num( irc, num, "%s :%s (%s)", iu->nick, bu->status, bu->status_msg ); + else + irc_send_num( irc, num, "%s :%s", iu->nick, bu->status ? : bu->status_msg ); + } + else if( !( bu->flags & BEE_USER_ONLINE ) ) + { + irc_send_num( irc, 301, "%s :%s", iu->nick, "User is offline" ); + } + } + else + { + irc_send_num( irc, 312, "%s %s :%s", iu->nick, irc->root->host, IRCD_INFO ); + } + + irc_send_num( irc, 318, "%s :End of /WHOIS list", iu->nick ); +} + +void irc_send_who( irc_t *irc, GSList *l, const char *channel ) +{ + gboolean is_channel = strcmp( channel, "**" ) != 0; + + while( l ) + { + irc_user_t *iu = l->data; + if( is_channel ) + iu = ((irc_channel_user_t*)iu)->iu; + /* TODO(wilmer): Restore away/channel information here */ + irc_send_num( irc, 352, "%s %s %s %s %s %c :0 %s", + channel ? : "*", iu->user, iu->host, irc->root->host, + iu->nick, iu->flags & IRC_USER_AWAY ? 'G' : 'H', + iu->fullname ); + l = l->next; + } + + irc_send_num( irc, 315, "%s :End of /WHO list", channel ); +} + +void irc_send_msg( irc_user_t *iu, const char *type, const char *dst, const char *msg, const char *prefix ) +{ + char last = 0; + const char *s = msg, *line = msg; + char raw_msg[strlen(msg)+1024]; + + while( !last ) + { + if( *s == '\r' && *(s+1) == '\n' ) + s++; + if( *s == '\n' ) + { + last = s[1] == 0; + } + else + { + last = s[0] == 0; + } + if( *s == 0 || *s == '\n' ) + { + if( g_strncasecmp( line, "/me ", 4 ) == 0 && ( !prefix || !*prefix ) && + g_strcasecmp( type, "PRIVMSG" ) == 0 ) + { + strcpy( raw_msg, "\001ACTION " ); + strncat( raw_msg, line + 4, s - line - 4 ); + strcat( raw_msg, "\001" ); + irc_send_msg_raw( iu, type, dst, raw_msg ); + } + else + { + *raw_msg = '\0'; + if( prefix && *prefix ) + strcpy( raw_msg, prefix ); + strncat( raw_msg, line, s - line ); + irc_send_msg_raw( iu, type, dst, raw_msg ); + } + line = s + 1; + } + s ++; + } +} + +void irc_send_msg_raw( irc_user_t *iu, const char *type, const char *dst, const char *msg ) +{ + irc_write( iu->irc, ":%s!%s@%s %s %s :%s", + iu->nick, iu->user, iu->host, type, dst, msg ); +} + +void irc_send_msg_f( irc_user_t *iu, const char *type, const char *dst, const char *format, ... ) +{ + char text[IRC_MAX_LINE]; + va_list params; + + va_start( params, format ); + g_vsnprintf( text, IRC_MAX_LINE, format, params ); + va_end( params ); + + irc_write( iu->irc, ":%s!%s@%s %s %s :%s", + iu->nick, iu->user, iu->host, type, dst, text ); +} + +void irc_send_nick( irc_user_t *iu, const char *new ) +{ + irc_write( iu->irc, ":%s!%s@%s NICK %s", + iu->nick, iu->user, iu->host, new ); +} + +/* Send an update of a user's mode inside a channel, compared to what it was. */ +void irc_send_channel_user_mode_diff( irc_channel_t *ic, irc_user_t *iu, + irc_channel_user_flags_t old, irc_channel_user_flags_t new ) +{ + char changes[3*(5+strlen(iu->nick))]; + char from[strlen(ic->irc->root->nick)+strlen(ic->irc->root->user)+strlen(ic->irc->root->host)+3]; + int n; + + *changes = '\0'; n = 0; + if( ( old & IRC_CHANNEL_USER_OP ) != ( new & IRC_CHANNEL_USER_OP ) ) + { + n ++; + if( new & IRC_CHANNEL_USER_OP ) + strcat( changes, "+o" ); + else + strcat( changes, "-o" ); + } + if( ( old & IRC_CHANNEL_USER_HALFOP ) != ( new & IRC_CHANNEL_USER_HALFOP ) ) + { + n ++; + if( new & IRC_CHANNEL_USER_HALFOP ) + strcat( changes, "+h" ); + else + strcat( changes, "-h" ); + } + if( ( old & IRC_CHANNEL_USER_VOICE ) != ( new & IRC_CHANNEL_USER_VOICE ) ) + { + n ++; + if( new & IRC_CHANNEL_USER_VOICE ) + strcat( changes, "+v" ); + else + strcat( changes, "-v" ); + } + while( n ) + { + strcat( changes, " " ); + strcat( changes, iu->nick ); + n --; + } + + if( set_getbool( &ic->irc->b->set, "simulate_netsplit" ) ) + g_snprintf( from, sizeof( from ), "%s", ic->irc->root->host ); + else + g_snprintf( from, sizeof( from ), "%s!%s@%s", ic->irc->root->nick, + ic->irc->root->user, ic->irc->root->host ); + + irc_write( ic->irc, ":%s MODE %s %s", from, ic->name, changes ); +} |