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] ); +} |