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-rw-r--r--irc_commands.c669
1 files changed, 669 insertions, 0 deletions
diff --git a/irc_commands.c b/irc_commands.c
new file mode 100644
index 00000000..e31a92e8
--- /dev/null
+++ b/irc_commands.c
@@ -0,0 +1,669 @@
+ /********************************************************************\
+ * BitlBee -- An IRC to other IM-networks gateway *
+ * *
+ * Copyright 2002-2006 Wilmer van der Gaast and others *
+ \********************************************************************/
+
+/* IRC commands */
+
+/*
+ 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
+*/
+
+#define BITLBEE_CORE
+#include "bitlbee.h"
+#include "ipc.h"
+
+static int irc_cmd_pass( irc_t *irc, char **cmd )
+{
+ if( global.conf->auth_pass && strcmp( cmd[1], global.conf->auth_pass ) == 0 )
+ {
+ irc->status = USTATUS_AUTHORIZED;
+ irc_check_login( irc );
+ }
+ else
+ {
+ irc_reply( irc, 464, ":Incorrect password" );
+ }
+
+ return( 1 );
+}
+
+static int irc_cmd_user( irc_t *irc, char **cmd )
+{
+ irc->user = g_strdup( cmd[1] );
+ irc->realname = g_strdup( cmd[4] );
+
+ irc_check_login( irc );
+
+ return( 1 );
+}
+
+static int irc_cmd_nick( irc_t *irc, char **cmd )
+{
+ if( irc->nick )
+ {
+ irc_reply( irc, 438, ":The hand of the deity is upon thee, thy nick may not change" );
+ }
+ /* This is not clean, but for now it'll have to be like this... */
+ else if( ( nick_cmp( cmd[1], irc->mynick ) == 0 ) || ( nick_cmp( cmd[1], NS_NICK ) == 0 ) )
+ {
+ irc_reply( irc, 433, ":This nick is already in use" );
+ }
+ else if( !nick_ok( cmd[1] ) )
+ {
+ /* [SH] Invalid characters. */
+ irc_reply( irc, 432, ":This nick contains invalid characters" );
+ }
+ else
+ {
+ irc->nick = g_strdup( cmd[1] );
+
+ irc_check_login( irc );
+ }
+
+ return( 1 );
+}
+
+static int irc_cmd_quit( irc_t *irc, char **cmd )
+{
+ irc_write( irc, "ERROR :%s%s", cmd[1]?"Quit: ":"", cmd[1]?cmd[1]:"Client Quit" );
+ /* g_io_channel_close( irc->io_channel ); */
+
+ return( 0 );
+}
+
+static int irc_cmd_ping( irc_t *irc, char **cmd )
+{
+ irc_write( irc, ":%s PONG %s :%s", irc->myhost, irc->myhost, cmd[1]?cmd[1]:irc->myhost );
+
+ return( 1 );
+}
+
+static int irc_cmd_oper( irc_t *irc, char **cmd )
+{
+ if( global.conf->oper_pass && strcmp( cmd[2], global.conf->oper_pass ) == 0 )
+ {
+ irc_umode_set( irc, "+o", 1 );
+ irc_reply( irc, 381, ":Password accepted" );
+ }
+ else
+ {
+ irc_reply( irc, 432, ":Incorrect password" );
+ }
+
+ return( 1 );
+}
+
+static int irc_cmd_mode( irc_t *irc, char **cmd )
+{
+ if( *cmd[1] == '#' || *cmd[1] == '&' )
+ {
+ if( cmd[2] )
+ {
+ if( *cmd[2] == '+' || *cmd[2] == '-' )
+ irc_reply( irc, 477, "%s :Can't change channel modes", cmd[1] );
+ else if( *cmd[2] == 'b' )
+ irc_reply( irc, 368, "%s :No bans possible", cmd[1] );
+ }
+ else
+ irc_reply( irc, 324, "%s +%s", cmd[1], CMODE );
+ }
+ else
+ {
+ if( nick_cmp( cmd[1], irc->nick ) == 0 )
+ {
+ if( cmd[2] )
+ irc_umode_set( irc, cmd[2], 0 );
+ }
+ else
+ irc_reply( irc, 502, ":Don't touch their modes" );
+ }
+
+ return( 1 );
+}
+
+static int irc_cmd_names( irc_t *irc, char **cmd )
+{
+ irc_names( irc, cmd[1]?cmd[1]:irc->channel );
+
+ return( 1 );
+}
+
+static int irc_cmd_part( irc_t *irc, char **cmd )
+{
+ struct conversation *c;
+
+ if( g_strcasecmp( cmd[1], irc->channel ) == 0 )
+ {
+ user_t *u = user_find( irc, irc->nick );
+
+ /* Not allowed to leave control channel */
+ irc_part( irc, u, irc->channel );
+ irc_join( irc, u, irc->channel );
+ }
+ else if( ( c = conv_findchannel( cmd[1] ) ) )
+ {
+ user_t *u = user_find( irc, irc->nick );
+
+ irc_part( irc, u, c->channel );
+
+ if( c->gc && c->gc->prpl )
+ {
+ c->joined = 0;
+ c->gc->prpl->chat_leave( c->gc, c->id );
+ }
+ }
+ else
+ {
+ irc_reply( irc, 403, "%s :No such channel", cmd[1] );
+ }
+
+ return( 1 );
+}
+
+static int irc_cmd_join( irc_t *irc, char **cmd )
+{
+ if( g_strcasecmp( cmd[1], irc->channel ) == 0 )
+ ; /* Dude, you're already there...
+ RFC doesn't have any reply for that though? */
+ else if( cmd[1] )
+ {
+ if( ( cmd[1][0] == '#' || cmd[1][0] == '&' ) && cmd[1][1] )
+ {
+ user_t *u = user_find( irc, cmd[1] + 1 );
+
+ if( u && u->gc && u->gc->prpl && u->gc->prpl->chat_open )
+ {
+ irc_reply( irc, 403, "%s :Initializing groupchat in a different channel", cmd[1] );
+
+ if( !u->gc->prpl->chat_open( u->gc, u->handle ) )
+ {
+ irc_usermsg( irc, "Could not open a groupchat with %s, maybe you don't have a connection to him/her yet?", u->nick );
+ }
+ }
+ else if( u )
+ {
+ irc_reply( irc, 403, "%s :Groupchats are not possible with %s", cmd[1], cmd[1]+1 );
+ }
+ else
+ {
+ irc_reply( irc, 403, "%s :No such nick", cmd[1] );
+ }
+ }
+ else
+ {
+ irc_reply( irc, 403, "%s :No such channel", cmd[1] );
+ }
+ }
+
+ return( 1 );
+}
+
+static int irc_cmd_invite( irc_t *irc, char **cmd )
+{
+ char *nick = cmd[1], *channel = cmd[2];
+ struct conversation *c = conv_findchannel( channel );
+ user_t *u = user_find( irc, nick );
+
+ if( u && c && ( u->gc == c->gc ) )
+ if( c->gc && c->gc->prpl && c->gc->prpl->chat_invite )
+ {
+ c->gc->prpl->chat_invite( c->gc, c->id, "", u->handle );
+ irc_reply( irc, 341, "%s %s", nick, channel );
+ return( 1 );
+ }
+
+ irc_reply( irc, 482, "%s :Invite impossible; User/Channel non-existent or incompatible", channel );
+
+ return( 1 );
+}
+
+static int irc_cmd_privmsg( irc_t *irc, char **cmd )
+{
+ if ( !cmd[2] )
+ {
+ irc_reply( irc, 412, ":No text to send" );
+ }
+ else if ( irc->nick && g_strcasecmp( cmd[1], irc->nick ) == 0 )
+ {
+ irc_write( irc, ":%s!%s@%s %s %s :%s", irc->nick, irc->user, irc->host, cmd[0], cmd[1], cmd[2] );
+ }
+ else
+ {
+ if( g_strcasecmp( cmd[1], irc->channel ) == 0 )
+ {
+ unsigned int i;
+ char *t = set_getstr( irc, "default_target" );
+
+ if( g_strcasecmp( t, "last" ) == 0 && irc->last_target )
+ cmd[1] = irc->last_target;
+ else if( g_strcasecmp( t, "root" ) == 0 )
+ cmd[1] = irc->mynick;
+
+ for( i = 0; i < strlen( cmd[2] ); i ++ )
+ {
+ if( cmd[2][i] == ' ' ) break;
+ if( cmd[2][i] == ':' || cmd[2][i] == ',' )
+ {
+ cmd[1] = cmd[2];
+ cmd[2] += i;
+ *cmd[2] = 0;
+ while( *(++cmd[2]) == ' ' );
+ break;
+ }
+ }
+
+ irc->is_private = 0;
+
+ if( cmd[1] != irc->last_target )
+ {
+ if( irc->last_target )
+ g_free( irc->last_target );
+ irc->last_target = g_strdup( cmd[1] );
+ }
+ }
+ else
+ {
+ irc->is_private = 1;
+ }
+ irc_send( irc, cmd[1], cmd[2], ( g_strcasecmp( cmd[0], "NOTICE" ) == 0 ) ? IM_FLAG_AWAY : 0 );
+ }
+
+ return( 1 );
+}
+
+static int irc_cmd_who( irc_t *irc, char **cmd )
+{
+ char *channel = cmd[1];
+ user_t *u = irc->users;
+ struct conversation *c;
+ GList *l;
+
+ if( !channel || *channel == '0' || *channel == '*' || !*channel )
+ while( u )
+ {
+ irc_reply( irc, 352, "%s %s %s %s %s %c :0 %s", u->online ? irc->channel : "*", u->user, u->host, irc->myhost, u->nick, u->online ? ( u->away ? 'G' : 'H' ) : 'G', u->realname );
+ u = u->next;
+ }
+ else if( g_strcasecmp( channel, irc->channel ) == 0 )
+ while( u )
+ {
+ if( u->online )
+ irc_reply( irc, 352, "%s %s %s %s %s %c :0 %s", channel, u->user, u->host, irc->myhost, u->nick, u->away ? 'G' : 'H', u->realname );
+ u = u->next;
+ }
+ else if( ( c = conv_findchannel( channel ) ) )
+ for( l = c->in_room; l; l = l->next )
+ {
+ if( ( u = user_findhandle( c->gc, l->data ) ) )
+ irc_reply( irc, 352, "%s %s %s %s %s %c :0 %s", channel, u->user, u->host, irc->myhost, u->nick, u->away ? 'G' : 'H', u->realname );
+ }
+ else if( ( u = user_find( irc, channel ) ) )
+ irc_reply( irc, 352, "%s %s %s %s %s %c :0 %s", channel, u->user, u->host, irc->myhost, u->nick, u->online ? ( u->away ? 'G' : 'H' ) : 'G', u->realname );
+
+ irc_reply( irc, 315, "%s :End of /WHO list", channel?channel:"**" );
+
+ return( 1 );
+}
+
+static int irc_cmd_userhost( irc_t *irc, char **cmd )
+{
+ user_t *u;
+ int i;
+
+ /* [TV] Usable USERHOST-implementation according to
+ RFC1459. Without this, mIRC shows an error
+ while connecting, and the used way of rejecting
+ breaks standards.
+ */
+
+ for( i = 1; cmd[i]; i ++ )
+ if( ( u = user_find( irc, cmd[i] ) ) )
+ {
+ if( u->online && u->away )
+ irc_reply( irc, 302, ":%s=-%s@%s", u->nick, u->user, u->host );
+ else
+ irc_reply( irc, 302, ":%s=+%s@%s", u->nick, u->user, u->host );
+ }
+
+ return( 1 );
+}
+
+static int irc_cmd_ison( irc_t *irc, char **cmd )
+{
+ user_t *u;
+ char buff[IRC_MAX_LINE];
+ int lenleft, i;
+
+ buff[0] = '\0';
+
+ /* [SH] Leave room for : and \0 */
+ lenleft = IRC_MAX_LINE - 2;
+
+ for( i = 1; cmd[i]; i ++ )
+ {
+ if( ( u = user_find( irc, cmd[i] ) ) && u->online )
+ {
+ /* [SH] Make sure we don't use too much buffer space. */
+ lenleft -= strlen( u->nick ) + 1;
+
+ if( lenleft < 0 )
+ {
+ break;
+ }
+
+ /* [SH] Add the nick to the buffer. Note
+ * that an extra space is always added. Even
+ * if it's the last nick in the list. Who
+ * cares?
+ */
+
+ strcat( buff, u->nick );
+ strcat( buff, " " );
+ }
+ }
+
+ /* [WvG] Well, maybe someone cares, so why not remove it? */
+ if( strlen( buff ) > 0 )
+ buff[strlen(buff)-1] = '\0';
+
+ irc_reply( irc, 303, ":%s", buff );
+
+ return( 1 );
+}
+
+static int irc_cmd_watch( irc_t *irc, char **cmd )
+{
+ int i;
+
+ /* Obviously we could also mark a user structure as being
+ watched, but what if the WATCH command is sent right
+ after connecting? The user won't exist yet then... */
+ for( i = 1; cmd[i]; i ++ )
+ {
+ char *nick;
+ user_t *u;
+
+ if( !cmd[i][0] || !cmd[i][1] )
+ break;
+
+ nick = g_strdup( cmd[i] + 1 );
+ nick_lc( nick );
+
+ u = user_find( irc, nick );
+
+ if( cmd[i][0] == '+' )
+ {
+ if( !g_hash_table_lookup( irc->watches, nick ) )
+ g_hash_table_insert( irc->watches, nick, nick );
+
+ if( u && u->online )
+ irc_reply( irc, 604, "%s %s %s %d :%s", u->nick, u->user, u->host, time( NULL ), "is online" );
+ else
+ irc_reply( irc, 605, "%s %s %s %d :%s", nick, "*", "*", time( NULL ), "is offline" );
+ }
+ else if( cmd[i][0] == '-' )
+ {
+ gpointer okey, ovalue;
+
+ if( g_hash_table_lookup_extended( irc->watches, nick, &okey, &ovalue ) )
+ {
+ g_free( okey );
+ g_hash_table_remove( irc->watches, okey );
+
+ irc_reply( irc, 602, "%s %s %s %d :%s", nick, "*", "*", 0, "Stopped watching" );
+ }
+ }
+ }
+
+ return( 1 );
+}
+
+static int irc_cmd_topic( irc_t *irc, char **cmd )
+{
+ if( cmd[2] )
+ irc_reply( irc, 482, "%s :Cannot change topic", cmd[1] );
+ else
+ irc_topic( irc, cmd[1] );
+
+ return( 1 );
+}
+
+static int irc_cmd_away( irc_t *irc, char **cmd )
+{
+ user_t *u = user_find( irc, irc->nick );
+ GSList *c = get_connections();
+ char *away = cmd[1];
+
+ if( !u ) return( 1 );
+
+ if( away && *away )
+ {
+ int i, j;
+
+ /* Copy away string, but skip control chars. Mainly because
+ Jabber really doesn't like them. */
+ u->away = g_malloc( strlen( away ) + 1 );
+ for( i = j = 0; away[i]; i ++ )
+ if( ( u->away[j] = away[i] ) >= ' ' )
+ j ++;
+ u->away[j] = 0;
+
+ irc_reply( irc, 306, ":You're now away: %s", u->away );
+ /* irc_umode_set( irc, irc->myhost, "+a" ); */
+ }
+ else
+ {
+ if( u->away ) g_free( u->away );
+ u->away = NULL;
+ /* irc_umode_set( irc, irc->myhost, "-a" ); */
+ irc_reply( irc, 305, ":Welcome back" );
+ }
+
+ while( c )
+ {
+ if( ((struct gaim_connection *)c->data)->flags & OPT_LOGGED_IN )
+ proto_away( c->data, u->away );
+
+ c = c->next;
+ }
+
+ return( 1 );
+}
+
+static int irc_cmd_whois( irc_t *irc, char **cmd )
+{
+ char *nick = cmd[1];
+ user_t *u = user_find( irc, nick );
+
+ if( u )
+ {
+ irc_reply( irc, 311, "%s %s %s * :%s", u->nick, u->user, u->host, u->realname );
+
+ if( u->gc )
+ irc_reply( irc, 312, "%s %s.%s :%s network", u->nick, u->gc->user->username,
+ *u->gc->user->proto_opt[0] ? u->gc->user->proto_opt[0] : "", u->gc->prpl->name );
+ else
+ irc_reply( irc, 312, "%s %s :%s", u->nick, irc->myhost, IRCD_INFO );
+
+ if( !u->online )
+ irc_reply( irc, 301, "%s :%s", u->nick, "User is offline" );
+ else if( u->away )
+ irc_reply( irc, 301, "%s :%s", u->nick, u->away );
+
+ irc_reply( irc, 318, "%s :End of /WHOIS list", nick );
+ }
+ else
+ {
+ irc_reply( irc, 401, "%s :Nick does not exist", nick );
+ }
+
+ return( 1 );
+}
+
+static int irc_cmd_whowas( irc_t *irc, char **cmd )
+{
+ /* For some reason irssi tries a whowas when whois fails. We can
+ ignore this, but then the user never gets a "user not found"
+ message from irssi which is a bit annoying. So just respond
+ with not-found and irssi users will get better error messages */
+
+ irc_reply( irc, 406, "%s :Nick does not exist", cmd[1] );
+ irc_reply( irc, 369, "%s :End of WHOWAS", cmd[1] );
+
+ return( 1 );
+}
+
+static int irc_cmd_nickserv( irc_t *irc, char **cmd )
+{
+ /* [SH] This aliases the NickServ command to PRIVMSG root */
+ /* [TV] This aliases the NS command to PRIVMSG root as well */
+ root_command( irc, cmd + 1 );
+
+ return( 1 );
+}
+
+static int irc_cmd_motd( irc_t *irc, char **cmd )
+{
+ irc_motd( irc );
+
+ return( 1 );
+}
+
+static int irc_cmd_pong( irc_t *irc, char **cmd )
+{
+ /* We could check the value we get back from the user, but in
+ fact we don't care, we're just happy he's still alive. */
+ irc->last_pong = gettime();
+ irc->pinging = 0;
+
+ return( 1 );
+}
+
+static int irc_cmd_completions( irc_t *irc, char **cmd )
+{
+ user_t *u = user_find( irc, irc->mynick );
+ help_t *h;
+ set_t *s;
+ int i;
+
+ irc_privmsg( irc, u, "NOTICE", irc->nick, "COMPLETIONS ", "OK" );
+
+ for( i = 0; commands[i].command; i ++ )
+ irc_privmsg( irc, u, "NOTICE", irc->nick, "COMPLETIONS ", commands[i].command );
+
+ for( h = global.help; h; h = h->next )
+ irc_privmsg( irc, u, "NOTICE", irc->nick, "COMPLETIONS help ", h->string );
+
+ for( s = irc->set; s; s = s->next )
+ irc_privmsg( irc, u, "NOTICE", irc->nick, "COMPLETIONS set ", s->key );
+
+ irc_privmsg( irc, u, "NOTICE", irc->nick, "COMPLETIONS ", "END" );
+
+ return( 1 );
+}
+
+static int irc_cmd_rehash( irc_t *irc, char **cmd )
+{
+ if( global.conf->runmode == RUNMODE_INETD )
+ ipc_master_cmd_rehash( NULL, NULL );
+ else
+ ipc_to_master( cmd );
+
+ irc_reply( irc, 382, "%s :Rehashing", CONF_FILE );
+
+ return( 1 );
+}
+
+static const command_t irc_commands[] = {
+ { "pass", 1, irc_cmd_pass, IRC_CMD_PRE_LOGIN },
+ { "user", 4, irc_cmd_user, IRC_CMD_PRE_LOGIN },
+ { "nick", 1, irc_cmd_nick, 0 },
+ { "quit", 0, irc_cmd_quit, 0 },
+ { "ping", 0, irc_cmd_ping, 0 },
+ { "oper", 2, irc_cmd_oper, IRC_CMD_LOGGED_IN },
+ { "mode", 1, irc_cmd_mode, IRC_CMD_LOGGED_IN },
+ { "names", 0, irc_cmd_names, IRC_CMD_LOGGED_IN },
+ { "part", 1, irc_cmd_part, IRC_CMD_LOGGED_IN },
+ { "join", 1, irc_cmd_join, IRC_CMD_LOGGED_IN },
+ { "invite", 2, irc_cmd_invite, IRC_CMD_LOGGED_IN },
+ { "privmsg", 1, irc_cmd_privmsg, IRC_CMD_LOGGED_IN },
+ { "notice", 1, irc_cmd_privmsg, IRC_CMD_LOGGED_IN },
+ { "who", 0, irc_cmd_who, IRC_CMD_LOGGED_IN },
+ { "userhost", 1, irc_cmd_userhost, IRC_CMD_LOGGED_IN },
+ { "ison", 1, irc_cmd_ison, IRC_CMD_LOGGED_IN },
+ { "watch", 1, irc_cmd_watch, IRC_CMD_LOGGED_IN },
+ { "topic", 1, irc_cmd_topic, IRC_CMD_LOGGED_IN },
+ { "away", 0, irc_cmd_away, IRC_CMD_LOGGED_IN },
+ { "whois", 1, irc_cmd_whois, IRC_CMD_LOGGED_IN },
+ { "whowas", 1, irc_cmd_whowas, IRC_CMD_LOGGED_IN },
+ { "nickserv", 1, irc_cmd_nickserv, IRC_CMD_LOGGED_IN },
+ { "ns", 1, irc_cmd_nickserv, IRC_CMD_LOGGED_IN },
+ { "motd", 0, irc_cmd_motd, IRC_CMD_LOGGED_IN },
+ { "pong", 0, irc_cmd_pong, IRC_CMD_LOGGED_IN },
+ { "completions", 0, irc_cmd_completions, IRC_CMD_LOGGED_IN },
+ { "die", 0, NULL, IRC_CMD_OPER_ONLY | IRC_CMD_TO_MASTER },
+ { "wallops", 1, NULL, IRC_CMD_OPER_ONLY | IRC_CMD_TO_MASTER },
+ { "lilo", 1, NULL, IRC_CMD_OPER_ONLY | IRC_CMD_TO_MASTER },
+ { "rehash", 0, irc_cmd_rehash, IRC_CMD_OPER_ONLY },
+ { "kill", 2, NULL, IRC_CMD_OPER_ONLY | IRC_CMD_TO_MASTER },
+ { NULL }
+};
+
+int irc_exec( irc_t *irc, char *cmd[] )
+{
+ int i, j;
+
+ if( !cmd[0] )
+ return( 1 );
+
+ for( i = 0; irc_commands[i].command; i++ )
+ if( g_strcasecmp( irc_commands[i].command, cmd[0] ) == 0 )
+ {
+ if( irc_commands[i].flags & IRC_CMD_PRE_LOGIN && irc->status >= USTATUS_LOGGED_IN )
+ {
+ irc_reply( irc, 462, ":Only allowed before logging in" );
+ return( 1 );
+ }
+ if( irc_commands[i].flags & IRC_CMD_LOGGED_IN && irc->status < USTATUS_LOGGED_IN )
+ {
+ irc_reply( irc, 451, ":Register first" );
+ return( 1 );
+ }
+ if( irc_commands[i].flags & IRC_CMD_OPER_ONLY && !strchr( irc->umode, 'o' ) )
+ {
+ irc_reply( irc, 481, ":Permission denied - You're not an IRC operator" );
+ return( 1 );
+ }
+
+ for( j = 1; j <= irc_commands[i].required_parameters; j ++ )
+ if( !cmd[j] )
+ {
+ irc_reply( irc, 461, "%s :Need more parameters", cmd[0] );
+ return( 1 );
+ }
+
+ if( irc_commands[i].flags & IRC_CMD_TO_MASTER )
+ /* IPC doesn't make sense in inetd mode,
+ but the function will catch that. */
+ ipc_to_master( cmd );
+ else
+ return irc_commands[i].execute( irc, cmd );
+ }
+
+ return( 1 );
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-28 18:16:44 +0000