diff options
Diffstat (limited to 'irc_commands.c')
| -rw-r--r-- | irc_commands.c | 787 | 
1 files changed, 787 insertions, 0 deletions
| diff --git a/irc_commands.c b/irc_commands.c new file mode 100644 index 00000000..cf41d323 --- /dev/null +++ b/irc_commands.c @@ -0,0 +1,787 @@ +  /********************************************************************\ +  * BitlBee -- An IRC to other IM-networks gateway                     * +  *                                                                    * +  * Copyright 2002-2010 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 "help.h" +#include "ipc.h" + +static void irc_cmd_pass( irc_t *irc, char **cmd ) +{ +	if( irc->status & USTATUS_LOGGED_IN ) +	{ +		char *send_cmd[] = { "identify", cmd[1], NULL }; +		 +		/* We're already logged in, this client seems to send the PASS +		   command last. (Possibly it won't send it at all if it turns +		   out we don't require it, which will break this feature.) +		   Try to identify using the given password. */ +		root_command( irc, send_cmd ); +		return; +	} +	/* Handling in pre-logged-in state, first see if this server is +	   password-protected: */ +	else if( global.conf->auth_pass && +	    ( strncmp( global.conf->auth_pass, "md5:", 4 ) == 0 ? +	        md5_verify_password( cmd[1], global.conf->auth_pass + 4 ) == 0 : +	        strcmp( cmd[1], global.conf->auth_pass ) == 0 ) ) +	{ +		irc->status |= USTATUS_AUTHORIZED; +		irc_check_login( irc ); +	} +	else if( global.conf->auth_pass ) +	{ +		irc_send_num( irc, 464, ":Incorrect password" ); +	} +	else +	{ +		/* Remember the password and try to identify after USER/NICK. */ +		irc_setpass( irc, cmd[1] ); +		irc_check_login( irc ); +	} +} + +static void irc_cmd_user( irc_t *irc, char **cmd ) +{ +	irc->user->user = g_strdup( cmd[1] ); +	irc->user->fullname = g_strdup( cmd[4] ); +	 +	irc_check_login( irc ); +} + +static void irc_cmd_nick( irc_t *irc, char **cmd ) +{ +	irc_user_t *iu; +	 +	if( ( iu = irc_user_by_name( irc, cmd[1] ) ) && iu != irc->user ) +	{ +		irc_send_num( irc, 433, "%s :This nick is already in use", cmd[1] ); +	} +	else if( !nick_ok( cmd[1] ) ) +	{ +		/* [SH] Invalid characters. */ +		irc_send_num( irc, 432, "%s :This nick contains invalid characters", cmd[1] ); +	} +	else if( irc->status & USTATUS_LOGGED_IN ) +	{ +		if( irc->status & USTATUS_IDENTIFIED ) +		{ +			irc_setpass( irc, NULL ); +			irc->status &= ~USTATUS_IDENTIFIED; +			irc_umode_set( irc, "-R", 1 ); +			irc_usermsg( irc, "Changing nicks resets your identify status. " +			             "Re-identify or register a new account if you want " +			             "your configuration to be saved. See \x02help " +			             "nick_changes\x02." ); +		} +		 +		irc_user_set_nick( irc->user, cmd[1] ); +	} +	else +	{ +		g_free( irc->user->nick ); +		irc->user->nick = g_strdup( cmd[1] ); +		 +		irc_check_login( irc ); +	} +} + +static void irc_cmd_quit( irc_t *irc, char **cmd ) +{ +	if( cmd[1] && *cmd[1] ) +		irc_abort( irc, 0, "Quit: %s", cmd[1] ); +	else +		irc_abort( irc, 0, "Leaving..." ); +} + +static void irc_cmd_ping( irc_t *irc, char **cmd ) +{ +	irc_write( irc, ":%s PONG %s :%s", irc->root->host, +	           irc->root->host, cmd[1]?cmd[1]:irc->root->host ); +} + +static void 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 s/he's still alive. */ +	irc->last_pong = gettime(); +	irc->pinging = 0; +} + +static void irc_cmd_join( irc_t *irc, char **cmd ) +{ +	char *comma, *s = cmd[1]; +	 +	while( s ) +	{ +		irc_channel_t *ic; +		 +		if( ( comma = strchr( s, ',' ) ) ) +			*comma = '\0'; +		 +		if( ( ic = irc_channel_by_name( irc, s ) ) == NULL && +		    ( ic = irc_channel_new( irc, s ) ) ) +		{ +			if( strcmp( set_getstr( &ic->set, "type" ), "control" ) != 0 ) +			{ +				/* Autoconfiguration is for control channels only ATM. */ +			} +			else if( bee_group_by_name( ic->irc->b, ic->name + 1, FALSE ) ) +			{ +				set_setstr( &ic->set, "group", ic->name + 1 ); +				set_setstr( &ic->set, "fill_by", "group" ); +			} +			else if( set_setstr( &ic->set, "protocol", ic->name + 1 ) ) +			{ +				set_setstr( &ic->set, "fill_by", "protocol" ); +			} +			else if( set_setstr( &ic->set, "account", ic->name + 1 ) ) +			{ +				set_setstr( &ic->set, "fill_by", "account" ); +			} +			else +			{ +				/* The set commands above will run this already, +				   but if we didn't hit any, we have to fill the +				   channel with the default population. */ +				bee_irc_channel_update( ic->irc, ic, NULL ); +			} +		} +		else if( ic == NULL ) +		{ +			irc_send_num( irc, 479, "%s :Invalid channel name", s ); +			goto next; +		} +		 +		if( ic->flags & IRC_CHANNEL_JOINED ) +			/* Dude, you're already there... +			   RFC doesn't have any reply for that though? */ +			goto next; +		 +		if( ic->f->join && !ic->f->join( ic ) ) +			/* The story is: FALSE either means the handler +			   showed an error message, or is doing some work +			   before the join should be confirmed. (In the +			   latter case, the caller should take care of that +			   confirmation.) TRUE means all's good, let the +			   user join the channel right away. */ +			goto next; +		 +		irc_channel_add_user( ic, irc->user ); +		 +next: +		if( comma ) +		{ +			s = comma + 1; +			*comma = ','; +		} +		else +			break; +	} +} + +static void irc_cmd_names( irc_t *irc, char **cmd ) +{ +	irc_channel_t *ic; +	 +	if( cmd[1] && ( ic = irc_channel_by_name( irc, cmd[1] ) ) ) +		irc_send_names( ic ); +	/* With no args, we should show /names of all chans. Make the code +	   below work well if necessary. +	else +	{ +		GSList *l; +		 +		for( l = irc->channels; l; l = l->next ) +			irc_send_names( l->data ); +	} +	*/ +} + +static void irc_cmd_part( irc_t *irc, char **cmd ) +{ +	irc_channel_t *ic; +	 +	if( ( ic = irc_channel_by_name( irc, cmd[1] ) ) == NULL ) +	{ +		irc_send_num( irc, 403, "%s :No such channel", cmd[1] ); +	} +	else if( irc_channel_del_user( ic, irc->user, IRC_CDU_PART, cmd[2] ) ) +	{ +		if( ic->f->part ) +			ic->f->part( ic, NULL ); +	} +	else +	{ +		irc_send_num( irc, 442, "%s :You're not on that channel", cmd[1] ); +	} +} + +static void irc_cmd_whois( irc_t *irc, char **cmd ) +{ +	char *nick = cmd[1]; +	irc_user_t *iu = irc_user_by_name( irc, nick ); +	 +	if( iu ) +		irc_send_whois( iu ); +	else +		irc_send_num( irc, 401, "%s :Nick does not exist", nick ); +} + +static void 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_send_num( irc, 406, "%s :Nick does not exist", cmd[1] ); +	irc_send_num( irc, 369, "%s :End of WHOWAS", cmd[1] ); +} + +static void irc_cmd_motd( irc_t *irc, char **cmd ) +{ +	irc_send_motd( irc ); +} + +static void irc_cmd_mode( irc_t *irc, char **cmd ) +{ +	if( irc_channel_name_ok( cmd[1] ) ) +	{ +		irc_channel_t *ic; +		 +		if( ( ic = irc_channel_by_name( irc, cmd[1] ) ) == NULL ) +			irc_send_num( irc, 403, "%s :No such channel", cmd[1] ); +		else if( cmd[2] ) +		{ +			if( *cmd[2] == '+' || *cmd[2] == '-' ) +				irc_send_num( irc, 477, "%s :Can't change channel modes", cmd[1] ); +			else if( *cmd[2] == 'b' ) +				irc_send_num( irc, 368, "%s :No bans possible", cmd[1] ); +		} +		else +			irc_send_num( irc, 324, "%s +%s", cmd[1], ic->mode ); +	} +	else +	{ +		if( nick_cmp( cmd[1], irc->user->nick ) == 0 ) +		{ +			if( cmd[2] ) +				irc_umode_set( irc, cmd[2], 0 ); +			else +				irc_send_num( irc, 221, "+%s", irc->umode ); +		} +		else +			irc_send_num( irc, 502, ":Don't touch their modes" ); +	} +} + +static void irc_cmd_who( irc_t *irc, char **cmd ) +{ +	char *channel = cmd[1]; +	irc_channel_t *ic; +	irc_user_t *iu; +	 +	if( !channel || *channel == '0' || *channel == '*' || !*channel ) +		irc_send_who( irc, irc->users, "**" ); +	else if( ( ic = irc_channel_by_name( irc, channel ) ) ) +		irc_send_who( irc, ic->users, channel ); +	else if( ( iu = irc_user_by_name( irc, channel ) ) ) +	{ +		/* Tiny hack! */ +		GSList *l = g_slist_append( NULL, iu ); +		irc_send_who( irc, l, channel ); +		g_slist_free( l ); +	} +	else +		irc_send_num( irc, 403, "%s :No such channel", channel ); +} + +static void irc_cmd_privmsg( irc_t *irc, char **cmd ) +{ +	irc_channel_t *ic; +	irc_user_t *iu; +	 +	if( !cmd[2] )  +	{ +		irc_send_num( irc, 412, ":No text to send" ); +		return; +	} +	 +	/* Don't treat CTCP actions as real CTCPs, just convert them right now. */ +	if( g_strncasecmp( cmd[2], "\001ACTION", 7 ) == 0 ) +	{ +		cmd[2] += 4; +		memcpy( cmd[2], "/me", 3 ); +		if( cmd[2][strlen(cmd[2])-1] == '\001' ) +			cmd[2][strlen(cmd[2])-1] = '\0'; +	} +	 +	if( irc_channel_name_ok( cmd[1] ) && +	    ( ic = irc_channel_by_name( irc, cmd[1] ) ) ) +	{ +		if( cmd[2][0] == '\001' ) +		{ +			/* CTCPs to channels? Nah. Maybe later. */ +		} +		else if( ic->f->privmsg ) +			ic->f->privmsg( ic, cmd[2] ); +	} +	else if( ( iu = irc_user_by_name( irc, cmd[1] ) ) ) +	{ +		if( cmd[2][0] == '\001' ) +		{ +			char **ctcp; +			 +			if( iu->f->ctcp == NULL ) +				return; +			if( cmd[2][strlen(cmd[2])-1] == '\001' ) +				cmd[2][strlen(cmd[2])-1] = '\0'; +			 +			ctcp = split_command_parts( cmd[2] + 1 ); +			iu->f->ctcp( iu, ctcp ); +		} +		else if( iu->f->privmsg ) +		{ +			iu->last_channel = NULL; +			iu->f->privmsg( iu, cmd[2] ); +		} +	} +	else +	{ +		irc_send_num( irc, 401, "%s :No such nick/channel", cmd[1] ); +	} +} + +static void irc_cmd_notice( irc_t *irc, char **cmd ) +{ +	if( !cmd[2] )  +	{ +		irc_send_num( irc, 412, ":No text to send" ); +		return; +	} +	 +	/* At least for now just echo. IIRC some IRC clients use self-notices +	   for lag checks, so try to support that. */ +	if( nick_cmp( cmd[1], irc->user->nick ) == 0 ) +		irc_send_msg( irc->user, "NOTICE", irc->user->nick, cmd[2], NULL ); +} + +static void 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 ); +} + +static void irc_cmd_oper_hack( irc_t *irc, char **cmd ); + +static void irc_cmd_oper( irc_t *irc, char **cmd ) +{ +	/* Very non-standard evil but useful/secure hack, see below. */ +	if( irc->status & OPER_HACK_ANY ) +		return irc_cmd_oper_hack( irc, cmd ); +	 +	if( global.conf->oper_pass && +	    ( strncmp( global.conf->oper_pass, "md5:", 4 ) == 0 ? +	        md5_verify_password( cmd[2], global.conf->oper_pass + 4 ) == 0 : +	        strcmp( cmd[2], global.conf->oper_pass ) == 0 ) ) +	{ +		irc_umode_set( irc, "+o", 1 ); +		irc_send_num( irc, 381, ":Password accepted" ); +	} +	else +	{ +		irc_send_num( irc, 491, ":Incorrect password" ); +	} +} + +static void irc_cmd_oper_hack( irc_t *irc, char **cmd ) +{ +	char *password = g_strjoinv( " ", cmd + 2 ); +	 +	/* /OPER can now also be used to enter IM/identify passwords without +	   echoing. It's a hack but the extra password security is worth it. */ +	if( irc->status & OPER_HACK_ACCOUNT_ADD ) +	{ +		account_t *a; +		 +		for( a = irc->b->accounts; a; a = a->next ) +			if( strcmp( a->pass, PASSWORD_PENDING ) == 0 ) +			{ +				set_setstr( &a->set, "password", password ); +				irc_usermsg( irc, "Password added to IM account " +				             "%s(%s)", a->prpl->name, a->user ); +				/* The IRC client may expect this. 491 suggests the OPER +				   password was wrong, so the client won't expect a +o. +				   It may however repeat the password prompt. We'll see. */ +				irc_send_num( irc, 491, ":Password added to IM account " +				              "%s(%s)", a->prpl->name, a->user ); +			} +	} +	else if( irc->status & OPER_HACK_IDENTIFY ) +	{ +		char *send_cmd[] = { "identify", password, NULL }; +		irc_send_num( irc, 491, ":Trying to identify" ); +		root_command( irc, send_cmd ); +	} +	else if( irc->status & OPER_HACK_REGISTER ) +	{ +		char *send_cmd[] = { "register", password, NULL }; +		irc_send_num( irc, 491, ":Trying to identify" ); +		root_command( irc, send_cmd ); +	} +	 +	irc->status &= ~OPER_HACK_ANY; +	g_free( password ); +} + +static void irc_cmd_invite( irc_t *irc, char **cmd ) +{ +	irc_channel_t *ic; +	irc_user_t *iu; +	 +	if( ( iu = irc_user_by_name( irc, cmd[1] ) ) == NULL ) +	{ +		irc_send_num( irc, 401, "%s :No such nick", cmd[1] ); +		return; +	} +	else if( ( ic = irc_channel_by_name( irc, cmd[2] ) ) == NULL ) +	{ +		irc_send_num( irc, 403, "%s :No such channel", cmd[2] ); +		return; +	} +	 +	if( !ic->f->invite ) +		irc_send_num( irc, 482, "%s :Can't invite people here", cmd[2] ); +	else if( ic->f->invite( ic, iu ) ) +		irc_send_num( irc, 341, "%s %s", iu->nick, ic->name ); +} + +static void irc_cmd_userhost( irc_t *irc, char **cmd ) +{ +	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 ++ ) +	{ +		irc_user_t *iu = irc_user_by_name( irc, cmd[i] ); +		 +		if( iu ) +			irc_send_num( irc, 302, ":%s=%c%s@%s", iu->nick, +			              irc_user_get_away( iu ) ? '-' : '+', +			              iu->user, iu->host ); +	} +} + +static void irc_cmd_ison( irc_t *irc, char **cmd ) +{ +	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 ++ ) +	{ +		char *this, *next; +		 +		this = cmd[i]; +		while( *this ) +		{ +			irc_user_t *iu; +			 +			if( ( next = strchr( this, ' ' ) ) ) +				*next = 0; +			 +			if( ( iu = irc_user_by_name( irc, this ) ) && +			    iu->bu && iu->bu->flags & BEE_USER_ONLINE ) +			{ +				lenleft -= strlen( iu->nick ) + 1; +				 +				if( lenleft < 0 ) +					break; +				 +				strcat( buff, iu->nick ); +				strcat( buff, " " ); +			} +			 +			if( next ) +			{ +				*next = ' '; +				this = next + 1; +			} +			else +			{ +				break; +			}     +		} +		 +		/* *sigh* */ +		if( lenleft < 0 ) +			break; +	} +	 +	if( strlen( buff ) > 0 ) +		buff[strlen(buff)-1] = '\0'; +	 +	irc_send_num( irc, 303, ":%s", buff ); +} + +static void 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; +		irc_user_t *iu; +		 +		if( !cmd[i][0] || !cmd[i][1] ) +			break; +		 +		nick = g_strdup( cmd[i] + 1 ); +		nick_lc( nick ); +		 +		iu = irc_user_by_name( irc, nick ); +		 +		if( cmd[i][0] == '+' ) +		{ +			if( !g_hash_table_lookup( irc->watches, nick ) ) +				g_hash_table_insert( irc->watches, nick, nick ); +			 +			if( iu && iu->bu && iu->bu->flags & BEE_USER_ONLINE ) +				irc_send_num( irc, 604, "%s %s %s %d :%s", iu->nick, iu->user, +				              iu->host, (int) time( NULL ), "is online" ); +			else +				irc_send_num( irc, 605, "%s %s %s %d :%s", nick, "*", "*", +				              (int) time( NULL ), "is offline" ); +		} +		else if( cmd[i][0] == '-' ) +		{ +			gpointer okey, ovalue; +			 +			if( g_hash_table_lookup_extended( irc->watches, nick, &okey, &ovalue ) ) +			{ +				g_hash_table_remove( irc->watches, okey ); +				g_free( okey ); +				 +				irc_send_num( irc, 602, "%s %s %s %d :%s", nick, "*", "*", 0, "Stopped watching" ); +			} +		} +	} +} + +static void irc_cmd_topic( irc_t *irc, char **cmd ) +{ +	irc_channel_t *ic = irc_channel_by_name( irc, cmd[1] ); +	const char *new = cmd[2]; +	 +	if( ic == NULL ) +	{ +		irc_send_num( irc, 403, "%s :No such channel", cmd[1] ); +	} +	else if( new ) +	{ +		if( ic->f->topic == NULL ) +			irc_send_num( irc, 482, "%s :Can't change this channel's topic", ic->name ); +		else if( ic->f->topic( ic, new ) ) +			irc_send_topic( ic, TRUE ); +	} +	else +	{ +		irc_send_topic( ic, FALSE ); +	} +} + +static void irc_cmd_away( irc_t *irc, char **cmd ) +{ +	if( cmd[1] && *cmd[1] ) +	{ +		char away[strlen(cmd[1])+1]; +		int i, j; +		 +		/* Copy away string, but skip control chars. Mainly because +		   Jabber really doesn't like them. */ +		for( i = j = 0; cmd[1][i]; i ++ ) +			if( ( away[j] = cmd[1][i] ) >= ' ' ) +				j ++; +		away[j] = '\0'; +		 +		irc_send_num( irc, 306, ":You're now away: %s", away ); +		set_setstr( &irc->b->set, "away", away ); +	} +	else +	{ +		irc_send_num( irc, 305, ":Welcome back" ); +		set_setstr( &irc->b->set, "away", NULL ); +	} +} + +static void irc_cmd_list( irc_t *irc, char **cmd ) +{ +	GSList *l; +	 +	for( l = irc->channels; l; l = l->next ) +	{ +		irc_channel_t *ic = l->data; +		 +		irc_send_num( irc, 322, "%s %d :%s", +		              ic->name, g_slist_length( ic->users ), ic->topic ? : "" ); +	} +	irc_send_num( irc, 323, ":%s", "End of /LIST" ); +} + +static void irc_cmd_version( irc_t *irc, char **cmd ) +{ +	irc_send_num( irc, 351, "bitlbee-%s. %s :%s/%s ", +	              BITLBEE_VERSION, irc->root->host, ARCH, CPU ); +} + +static void irc_cmd_completions( irc_t *irc, char **cmd ) +{ +	help_t *h; +	set_t *s; +	int i; +	 +	irc_send_msg_raw( irc->root, "NOTICE", irc->user->nick, "COMPLETIONS OK" ); +	 +	for( i = 0; root_commands[i].command; i ++ ) +		irc_send_msg_f( irc->root, "NOTICE", irc->user->nick, "COMPLETIONS %s", root_commands[i].command ); +	 +	for( h = global.help; h; h = h->next ) +		irc_send_msg_f( irc->root, "NOTICE", irc->user->nick, "COMPLETIONS help %s", h->title ); +	 +	for( s = irc->b->set; s; s = s->next ) +		irc_send_msg_f( irc->root, "NOTICE", irc->user->nick, "COMPLETIONS set %s", s->key ); +	 +	irc_send_msg_raw( irc->root, "NOTICE", irc->user->nick, "COMPLETIONS END" ); +} + +static void 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_send_num( irc, 382, "%s :Rehashing", global.conf_file ); +} + +static const command_t irc_commands[] = { +	{ "pass",        1, irc_cmd_pass,        0 }, +	{ "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 }, +	{ "pong",        0, irc_cmd_pong,        IRC_CMD_LOGGED_IN }, +	{ "join",        1, irc_cmd_join,        IRC_CMD_LOGGED_IN }, +	{ "names",       1, irc_cmd_names,       IRC_CMD_LOGGED_IN }, +	{ "part",        1, irc_cmd_part,        IRC_CMD_LOGGED_IN }, +	{ "whois",       1, irc_cmd_whois,       IRC_CMD_LOGGED_IN }, +	{ "whowas",      1, irc_cmd_whowas,      IRC_CMD_LOGGED_IN }, +	{ "motd",        0, irc_cmd_motd,        IRC_CMD_LOGGED_IN }, +	{ "mode",        1, irc_cmd_mode,        IRC_CMD_LOGGED_IN }, +	{ "who",         0, irc_cmd_who,         IRC_CMD_LOGGED_IN }, +	{ "privmsg",     1, irc_cmd_privmsg,     IRC_CMD_LOGGED_IN }, +	{ "notice",      1, irc_cmd_notice,      IRC_CMD_LOGGED_IN }, +	{ "nickserv",    1, irc_cmd_nickserv,    IRC_CMD_LOGGED_IN }, +	{ "ns",          1, irc_cmd_nickserv,    IRC_CMD_LOGGED_IN }, +	{ "away",        0, irc_cmd_away,        IRC_CMD_LOGGED_IN }, +	{ "version",     0, irc_cmd_version,     IRC_CMD_LOGGED_IN }, +	{ "completions", 0, irc_cmd_completions, 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 }, +	{ "invite",      2, irc_cmd_invite,      IRC_CMD_LOGGED_IN }, +	{ "topic",       1, irc_cmd_topic,       IRC_CMD_LOGGED_IN }, +	{ "oper",        2, irc_cmd_oper,        IRC_CMD_LOGGED_IN }, +	{ "list",        0, irc_cmd_list,        IRC_CMD_LOGGED_IN }, +	{ "die",         0, NULL,                IRC_CMD_OPER_ONLY | IRC_CMD_TO_MASTER }, +	{ "deaf",        0, NULL,                IRC_CMD_OPER_ONLY | IRC_CMD_TO_MASTER }, +	{ "wallops",     1, NULL,                IRC_CMD_OPER_ONLY | IRC_CMD_TO_MASTER }, +	{ "wall",        1, NULL,                IRC_CMD_OPER_ONLY | IRC_CMD_TO_MASTER }, +	{ "rehash",      0, irc_cmd_rehash,      IRC_CMD_OPER_ONLY }, +	{ "restart",     0, NULL,                IRC_CMD_OPER_ONLY | IRC_CMD_TO_MASTER }, +	{ "kill",        2, NULL,                IRC_CMD_OPER_ONLY | IRC_CMD_TO_MASTER }, +	{ NULL } +}; + +void irc_exec( irc_t *irc, char *cmd[] ) +{	 +	int i, n_arg; +	 +	if( !cmd[0] ) +		return; +	 +	for( i = 0; irc_commands[i].command; i++ ) +		if( g_strcasecmp( irc_commands[i].command, cmd[0] ) == 0 ) +		{ +			/* There should be no typo in the next line: */ +			for( n_arg = 0; cmd[n_arg]; n_arg ++ ); n_arg --; +			 +			if( irc_commands[i].flags & IRC_CMD_PRE_LOGIN && irc->status & USTATUS_LOGGED_IN ) +			{ +				irc_send_num( irc, 462, ":Only allowed before logging in" ); +			} +			else if( irc_commands[i].flags & IRC_CMD_LOGGED_IN && !( irc->status & USTATUS_LOGGED_IN ) ) +			{ +				irc_send_num( irc, 451, ":Register first" ); +			} +			else if( irc_commands[i].flags & IRC_CMD_OPER_ONLY && !strchr( irc->umode, 'o' ) ) +			{ +				irc_send_num( irc, 481, ":Permission denied - You're not an IRC operator" ); +			} +			else if( n_arg < irc_commands[i].required_parameters ) +			{ +				irc_send_num( irc, 461, "%s :Need more parameters", cmd[0] ); +			} +			else 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 +			{ +				irc_commands[i].execute( irc, cmd ); +			} +			 +			return; +		} +	 +	if( irc->status & USTATUS_LOGGED_IN ) +		irc_send_num( irc, 421, "%s :Unknown command", cmd[0] ); +} | 
