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- /*
- * ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001-2011 Alexander Barton (alex@barton.de) and Contributors.
- *
- * 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.
- * Please read the file COPYING, README and AUTHORS for more information.
- */
- #include "portab.h"
- /**
- * @file
- * IRC commands for mode changes (like MODE, AWAY, etc.)
- */
- #include "imp.h"
- #include <assert.h>
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include "defines.h"
- #include "conn.h"
- #include "channel.h"
- #include "irc-write.h"
- #include "lists.h"
- #include "log.h"
- #include "parse.h"
- #include "messages.h"
- #include "conf.h"
- #include "exp.h"
- #include "irc-mode.h"
- static bool Client_Mode PARAMS(( CLIENT *Client, REQUEST *Req, CLIENT *Origin,
- CLIENT *Target ));
- static bool Channel_Mode PARAMS(( CLIENT *Client, REQUEST *Req, CLIENT *Origin,
- CHANNEL *Channel ));
- static bool Add_Ban_Invite PARAMS((int what, CLIENT *Prefix, CLIENT *Client,
- CHANNEL *Channel, const char *Pattern));
- static bool Del_Ban_Invite PARAMS((int what, CLIENT *Prefix, CLIENT *Client,
- CHANNEL *Channel, const char *Pattern));
- static bool Send_ListChange PARAMS((const char *Mode, CLIENT *Prefix,
- CLIENT *Client, CHANNEL *Channel, const char *Mask));
- GLOBAL bool
- IRC_MODE( CLIENT *Client, REQUEST *Req )
- {
- CLIENT *cl, *origin;
- CHANNEL *chan;
- assert( Client != NULL );
- assert( Req != NULL );
- /* No parameters? */
- if( Req->argc < 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
- /* Origin for answers */
- if( Client_Type( Client ) == CLIENT_SERVER )
- {
- origin = Client_Search( Req->prefix );
- if( ! origin ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
- }
- else origin = Client;
- /* Channel or user mode? */
- cl = NULL; chan = NULL;
- if (Client_IsValidNick(Req->argv[0]))
- cl = Client_Search(Req->argv[0]);
- if (Channel_IsValidName(Req->argv[0]))
- chan = Channel_Search(Req->argv[0]);
- if (cl)
- return Client_Mode(Client, Req, origin, cl);
- if (chan)
- return Channel_Mode(Client, Req, origin, chan);
- /* No target found! */
- return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
- Client_ID(Client), Req->argv[0]);
- } /* IRC_MODE */
- static bool
- Client_Mode( CLIENT *Client, REQUEST *Req, CLIENT *Origin, CLIENT *Target )
- {
- /* Handle client mode requests */
- char the_modes[COMMAND_LEN], x[2], *mode_ptr;
- bool ok, set;
- int mode_arg;
- size_t len;
- /* Is the client allowed to request or change the modes? */
- if( Client_Type( Client ) == CLIENT_USER )
- {
- /* Users are only allowed to manipulate their own modes! */
- if( Target != Client ) return IRC_WriteStrClient( Client, ERR_USERSDONTMATCH_MSG, Client_ID( Client ));
- }
- /* Mode request: let's answer it :-) */
- if( Req->argc == 1 ) return IRC_WriteStrClient( Origin, RPL_UMODEIS_MSG, Client_ID( Origin ), Client_Modes( Target ));
- mode_arg = 1;
- mode_ptr = Req->argv[mode_arg];
- /* Initial state: set or unset modes? */
- if( *mode_ptr == '+' ) set = true;
- else if( *mode_ptr == '-' ) set = false;
- else return IRC_WriteStrClient( Origin, ERR_UMODEUNKNOWNFLAG_MSG, Client_ID( Origin ));
- /* Prepare reply string */
- if( set ) strcpy( the_modes, "+" );
- else strcpy( the_modes, "-" );
- x[1] = '\0';
- ok = CONNECTED;
- while( mode_ptr )
- {
- mode_ptr++;
- if( ! *mode_ptr )
- {
- /* Try next argument if there's any */
- mode_arg++;
- if( mode_arg < Req->argc ) mode_ptr = Req->argv[mode_arg];
- else break;
- }
-
- switch( *mode_ptr )
- {
- case '+':
- case '-':
- if((( *mode_ptr == '+' ) && ( ! set )) || (( *mode_ptr == '-' ) && ( set )))
- {
- /* Action modifier ("+"/"-") must be changed ... */
- len = strlen( the_modes ) - 1;
- if(( the_modes[len] == '+' ) || ( the_modes[len] == '-' ))
- {
- /* Adjust last action modifier in result */
- the_modes[len] = *mode_ptr;
- }
- else
- {
- /* Append modifier character to result string */
- x[0] = *mode_ptr;
- strlcat( the_modes, x, sizeof( the_modes ));
- }
- if( *mode_ptr == '+' ) set = true;
- else set = false;
- }
- continue;
- }
-
- /* Validate modes */
- x[0] = '\0';
- switch( *mode_ptr )
- {
- case 'i': /* Invisible */
- case 's': /* Server messages */
- case 'w': /* Wallops messages */
- x[0] = *mode_ptr;
- break;
- case 'a': /* Away */
- if( Client_Type( Client ) == CLIENT_SERVER )
- {
- x[0] = 'a';
- Client_SetAway( Origin, DEFAULT_AWAY_MSG );
- }
- else ok = IRC_WriteStrClient( Origin, ERR_NOPRIVILEGES_MSG, Client_ID( Origin ));
- break;
- case 'c': /* Receive connect notices
- * (only settable by IRC operators!) */
- if(!set || Client_OperByMe(Origin)
- || Client_Type(Client) == CLIENT_SERVER)
- x[0] = 'c';
- else
- ok = IRC_WriteStrClient(Origin,
- ERR_NOPRIVILEGES_MSG,
- Client_ID(Origin));
- break;
- case 'o': /* IRC operator (only unsettable!) */
- if(( ! set ) || ( Client_Type( Client ) == CLIENT_SERVER ))
- {
- Client_SetOperByMe( Target, false );
- x[0] = 'o';
- }
- else ok = IRC_WriteStrClient( Origin, ERR_NOPRIVILEGES_MSG, Client_ID( Origin ));
- break;
- case 'r': /* Restricted (only settable) */
- if(( set ) || ( Client_Type( Client ) == CLIENT_SERVER )) x[0] = 'r';
- else ok = IRC_WriteStrClient( Origin, ERR_RESTRICTED_MSG, Client_ID( Origin ));
- break;
- case 'x': /* Cloak hostname */
- if (Client_HasMode(Client, 'r'))
- ok = IRC_WriteStrClient(Origin,
- ERR_RESTRICTED_MSG,
- Client_ID(Origin));
- else
- x[0] = 'x';
- break;
- default:
- Log( LOG_DEBUG, "Unknown mode \"%c%c\" from \"%s\"!?", set ? '+' : '-', *mode_ptr, Client_ID( Origin ));
- if( Client_Type( Client ) != CLIENT_SERVER ) ok = IRC_WriteStrClient( Origin, ERR_UMODEUNKNOWNFLAG2_MSG, Client_ID( Origin ), set ? '+' : '-', *mode_ptr );
- x[0] = '\0';
- goto client_exit;
- }
- if( ! ok ) break;
- /* Is there a valid mode change? */
- if( ! x[0] ) continue;
- if( set )
- {
- /* Set mode */
- if( Client_ModeAdd( Target, x[0] )) strlcat( the_modes, x, sizeof( the_modes ));
- }
- else
- {
- /* Unset mode */
- if( Client_ModeDel( Target, x[0] )) strlcat( the_modes, x, sizeof( the_modes ));
- }
- }
- client_exit:
-
- /* Are there changed modes? */
- if( the_modes[1] )
- {
- /* Remoce needless action modifier characters */
- len = strlen( the_modes ) - 1;
- if(( the_modes[len] == '+' ) || ( the_modes[len] == '-' )) the_modes[len] = '\0';
- if( Client_Type( Client ) == CLIENT_SERVER )
- {
- /* Forward modes to other servers */
- IRC_WriteStrServersPrefix( Client, Origin, "MODE %s :%s", Client_ID( Target ), the_modes );
- }
- else
- {
- /* Send reply to client and inform other servers */
- ok = IRC_WriteStrClientPrefix( Client, Origin, "MODE %s :%s", Client_ID( Target ), the_modes );
- IRC_WriteStrServersPrefix( Client, Origin, "MODE %s :%s", Client_ID( Target ), the_modes );
- }
- LogDebug("%s \"%s\": Mode change, now \"%s\".",
- Client_TypeText(Target), Client_Mask(Target),
- Client_Modes(Target));
- }
-
- IRC_SetPenalty( Client, 1 );
- return ok;
- } /* Client_Mode */
- static bool
- Channel_Mode_Answer_Request(CLIENT *Origin, CHANNEL *Channel)
- {
- char the_modes[COMMAND_LEN], the_args[COMMAND_LEN], argadd[CLIENT_PASS_LEN];
- const char *mode_ptr;
- /* Member or not? -- That's the question! */
- if (!Channel_IsMemberOf(Channel, Origin))
- return IRC_WriteStrClient(Origin, RPL_CHANNELMODEIS_MSG,
- Client_ID(Origin), Channel_Name(Channel), Channel_Modes(Channel));
- /* The sender is a member: generate extended reply */
- strlcpy(the_modes, Channel_Modes(Channel), sizeof(the_modes));
- mode_ptr = the_modes;
- the_args[0] = '\0';
- while(*mode_ptr) {
- switch(*mode_ptr) {
- case 'l':
- snprintf(argadd, sizeof(argadd), " %lu", Channel_MaxUsers(Channel));
- strlcat(the_args, argadd, sizeof(the_args));
- break;
- case 'k':
- strlcat(the_args, " ", sizeof(the_args));
- strlcat(the_args, Channel_Key(Channel), sizeof(the_args));
- break;
- }
- mode_ptr++;
- }
- if (the_args[0])
- strlcat(the_modes, the_args, sizeof(the_modes));
- if (!IRC_WriteStrClient(Origin, RPL_CHANNELMODEIS_MSG,
- Client_ID(Origin), Channel_Name(Channel),
- the_modes))
- return DISCONNECTED;
- #ifndef STRICT_RFC
- if (!IRC_WriteStrClient(Origin, RPL_CREATIONTIME_MSG,
- Client_ID(Origin), Channel_Name(Channel),
- Channel_CreationTime(Channel)))
- return DISCONNECTED;
- #endif
- return CONNECTED;
- }
- /**
- * Handle channel mode and channel-user mode changes
- */
- static bool
- Channel_Mode(CLIENT *Client, REQUEST *Req, CLIENT *Origin, CHANNEL *Channel)
- {
- char the_modes[COMMAND_LEN], the_args[COMMAND_LEN], x[2],
- argadd[CLIENT_PASS_LEN], *mode_ptr;
- bool connected, set, skiponce, retval, onchannel, modeok, use_servermode;
- int mode_arg, arg_arg;
- CLIENT *client;
- long l;
- size_t len;
- if (Channel_IsModeless(Channel))
- return IRC_WriteStrClient(Client, ERR_NOCHANMODES_MSG,
- Client_ID(Client), Channel_Name(Channel));
- /* Mode request: let's answer it :-) */
- if (Req->argc <= 1)
- return Channel_Mode_Answer_Request(Origin, Channel);
- Channel_CheckAdminRights(Channel, Client, Origin,
- &onchannel, &modeok, &use_servermode);
- if (!onchannel && !modeok)
- return IRC_WriteStrClient(Origin, ERR_NOTONCHANNEL_MSG,
- Client_ID(Origin),
- Channel_Name(Channel));
- mode_arg = 1;
- mode_ptr = Req->argv[mode_arg];
- if (Req->argc > mode_arg + 1)
- arg_arg = mode_arg + 1;
- else
- arg_arg = -1;
- /* Initial state: set or unset modes? */
- skiponce = false;
- switch (*mode_ptr) {
- case '-':
- set = false;
- break;
- case '+':
- set = true;
- break;
- default:
- set = true;
- skiponce = true;
- }
- /* Prepare reply string */
- strcpy(the_modes, set ? "+" : "-");
- the_args[0] = '\0';
- x[1] = '\0';
- connected = CONNECTED;
- while (mode_ptr) {
- if (!skiponce)
- mode_ptr++;
- if (!*mode_ptr) {
- /* Try next argument if there's any */
- if (arg_arg > mode_arg)
- mode_arg = arg_arg;
- else
- mode_arg++;
- if (mode_arg >= Req->argc)
- break;
- mode_ptr = Req->argv[mode_arg];
- if (Req->argc > mode_arg + 1)
- arg_arg = mode_arg + 1;
- else
- arg_arg = -1;
- }
- skiponce = false;
- switch (*mode_ptr) {
- case '+':
- case '-':
- if (((*mode_ptr == '+') && !set)
- || ((*mode_ptr == '-') && set)) {
- /* Action modifier ("+"/"-") must be changed ... */
- len = strlen(the_modes) - 1;
- if (the_modes[len] == '+' || the_modes[len] == '-') {
- /* Adjust last action modifier in result */
- the_modes[len] = *mode_ptr;
- } else {
- /* Append modifier character to result string */
- x[0] = *mode_ptr;
- strlcat(the_modes, x, sizeof(the_modes));
- }
- set = *mode_ptr == '+';
- }
- continue;
- }
- /* Are there arguments left? */
- if (arg_arg >= Req->argc)
- arg_arg = -1;
- /* Validate modes */
- x[0] = '\0';
- argadd[0] = '\0';
- client = NULL;
- switch (*mode_ptr) {
- /* --- Channel modes --- */
- case 'i': /* Invite only */
- case 'm': /* Moderated */
- case 'n': /* Only members can write */
- case 's': /* Secret channel */
- case 't': /* Topic locked */
- case 'z': /* Secure connections only */
- if (modeok)
- x[0] = *mode_ptr;
- else
- connected = IRC_WriteStrClient(Origin,
- ERR_CHANOPRIVSNEEDED_MSG,
- Client_ID(Origin), Channel_Name(Channel));
- break;
- case 'k': /* Channel key */
- if (!set) {
- if (modeok)
- x[0] = *mode_ptr;
- else
- connected = IRC_WriteStrClient(Origin,
- ERR_CHANOPRIVSNEEDED_MSG,
- Client_ID(Origin),
- Channel_Name(Channel));
- break;
- }
- if (arg_arg > mode_arg) {
- if (modeok) {
- Channel_ModeDel(Channel, 'k');
- Channel_SetKey(Channel,
- Req->argv[arg_arg]);
- strlcpy(argadd, Channel_Key(Channel),
- sizeof(argadd));
- x[0] = *mode_ptr;
- } else {
- connected = IRC_WriteStrClient(Origin,
- ERR_CHANOPRIVSNEEDED_MSG,
- Client_ID(Origin),
- Channel_Name(Channel));
- }
- Req->argv[arg_arg][0] = '\0';
- arg_arg++;
- } else {
- connected = IRC_WriteStrClient(Origin,
- ERR_NEEDMOREPARAMS_MSG,
- Client_ID(Origin), Req->command);
- goto chan_exit;
- }
- break;
- case 'l': /* Member limit */
- if (!set) {
- if (modeok)
- x[0] = *mode_ptr;
- else
- connected = IRC_WriteStrClient(Origin,
- ERR_CHANOPRIVSNEEDED_MSG,
- Client_ID(Origin),
- Channel_Name(Channel));
- break;
- }
- if (arg_arg > mode_arg) {
- if (modeok) {
- l = atol(Req->argv[arg_arg]);
- if (l > 0 && l < 0xFFFF) {
- Channel_ModeDel(Channel, 'l');
- Channel_SetMaxUsers(Channel, l);
- snprintf(argadd, sizeof(argadd),
- "%ld", l);
- x[0] = *mode_ptr;
- }
- } else {
- connected = IRC_WriteStrClient(Origin,
- ERR_CHANOPRIVSNEEDED_MSG,
- Client_ID(Origin),
- Channel_Name(Channel));
- }
- Req->argv[arg_arg][0] = '\0';
- arg_arg++;
- } else {
- connected = IRC_WriteStrClient(Origin,
- ERR_NEEDMOREPARAMS_MSG,
- Client_ID(Origin), Req->command);
- goto chan_exit;
- }
- break;
- case 'O': /* IRC operators only */
- if (modeok) {
- /* Only IRC operators are allowed to
- * set the 'O' channel mode! */
- if (set && !(Client_OperByMe(Client)
- || Client_Type(Client) == CLIENT_SERVER))
- connected = IRC_WriteStrClient(Origin,
- ERR_NOPRIVILEGES_MSG,
- Client_ID(Origin));
- else
- x[0] = 'O';
- } else
- connected = IRC_WriteStrClient(Origin,
- ERR_CHANOPRIVSNEEDED_MSG,
- Client_ID(Origin),
- Channel_Name(Channel));
- break;
- case 'P': /* Persistent channel */
- if (modeok) {
- /* Only IRC operators are allowed to
- * set the 'P' channel mode! */
- if (set && !(Client_OperByMe(Client)
- || Client_Type(Client) == CLIENT_SERVER))
- connected = IRC_WriteStrClient(Origin,
- ERR_NOPRIVILEGES_MSG,
- Client_ID(Origin));
- else
- x[0] = 'P';
- } else
- connected = IRC_WriteStrClient(Origin,
- ERR_CHANOPRIVSNEEDED_MSG,
- Client_ID(Origin),
- Channel_Name(Channel));
- break;
- /* --- Channel user modes --- */
- case 'o': /* Channel operator */
- case 'v': /* Voice */
- if (arg_arg > mode_arg) {
- if (modeok) {
- client = Client_Search(Req->argv[arg_arg]);
- if (client)
- x[0] = *mode_ptr;
- else
- connected = IRC_WriteStrClient(Client,
- ERR_NOSUCHNICK_MSG,
- Client_ID(Client),
- Req->argv[arg_arg]);
- } else {
- connected = IRC_WriteStrClient(Origin,
- ERR_CHANOPRIVSNEEDED_MSG,
- Client_ID(Origin),
- Channel_Name(Channel));
- }
- Req->argv[arg_arg][0] = '\0';
- arg_arg++;
- } else {
- connected = IRC_WriteStrClient(Origin,
- ERR_NEEDMOREPARAMS_MSG,
- Client_ID(Origin), Req->command);
- goto chan_exit;
- }
- break;
- /* --- Channel lists --- */
- case 'I': /* Invite lists */
- case 'b': /* Ban lists */
- if (arg_arg > mode_arg) {
- /* modify list */
- if (modeok) {
- connected = set
- ? Add_Ban_Invite(*mode_ptr, Origin,
- Client, Channel,
- Req->argv[arg_arg])
- : Del_Ban_Invite(*mode_ptr, Origin,
- Client, Channel,
- Req->argv[arg_arg]);
- } else {
- connected = IRC_WriteStrClient(Origin,
- ERR_CHANOPRIVSNEEDED_MSG,
- Client_ID(Origin),
- Channel_Name(Channel));
- }
- Req->argv[arg_arg][0] = '\0';
- arg_arg++;
- } else {
- if (*mode_ptr == 'I')
- Channel_ShowInvites(Origin, Channel);
- else
- Channel_ShowBans(Origin, Channel);
- }
- break;
- default:
- Log(LOG_DEBUG,
- "Unknown mode \"%c%c\" from \"%s\" on %s!?",
- set ? '+' : '-', *mode_ptr, Client_ID(Origin),
- Channel_Name(Channel));
- if (Client_Type(Client) != CLIENT_SERVER)
- connected = IRC_WriteStrClient(Origin,
- ERR_UMODEUNKNOWNFLAG2_MSG,
- Client_ID(Origin),
- set ? '+' : '-', *mode_ptr);
- x[0] = '\0';
- goto chan_exit;
- } /* switch() */
- if (!connected)
- break;
- /* Is there a valid mode change? */
- if (!x[0])
- continue;
- /* Validate target client */
- if (client && (!Channel_IsMemberOf(Channel, client))) {
- if (!IRC_WriteStrClient
- (Origin, ERR_USERNOTINCHANNEL_MSG,
- Client_ID(Origin), Client_ID(client),
- Channel_Name(Channel)))
- break;
- continue;
- }
- if (client) {
- /* Channel-User-Mode */
- retval = set
- ? Channel_UserModeAdd(Channel, client, x[0])
- : Channel_UserModeDel(Channel, client, x[0]);
- if (retval) {
- strlcat(the_args, " ", sizeof(the_args));
- strlcat(the_args, Client_ID(client),
- sizeof(the_args));
- strlcat(the_modes, x, sizeof(the_modes));
- LogDebug
- ("User \"%s\": Mode change on %s, now \"%s\"",
- Client_Mask(client), Channel_Name(Channel),
- Channel_UserModes(Channel, client));
- }
- } else {
- /* Channel-Mode */
- retval = set
- ? Channel_ModeAdd(Channel, x[0])
- : Channel_ModeDel(Channel, x[0]);
- if (retval) {
- strlcat(the_modes, x, sizeof(the_modes));
- LogDebug("Channel %s: Mode change, now \"%s\".",
- Channel_Name(Channel),
- Channel_Modes(Channel));
- }
- }
- /* Are there additional arguments to add? */
- if (argadd[0]) {
- strlcat(the_args, " ", sizeof(the_args));
- strlcat(the_args, argadd, sizeof(the_args));
- }
- }
- chan_exit:
- /* Are there changed modes? */
- if (the_modes[1]) {
- /* Clean up mode string */
- len = strlen(the_modes) - 1;
- if ((the_modes[len] == '+') || (the_modes[len] == '-'))
- the_modes[len] = '\0';
- if (Client_Type(Client) == CLIENT_SERVER) {
- /* MODE requests for local channels from other servers
- * are definitely invalid! */
- if (Channel_IsLocal(Channel)) {
- Log(LOG_ALERT, "Got remote MODE command for local channel!? Ignored.");
- return CONNECTED;
- }
- /* Forward mode changes to channel users and all the
- * other remote servers: */
- IRC_WriteStrServersPrefix(Client, Origin,
- "MODE %s %s%s", Channel_Name(Channel),
- the_modes, the_args);
- IRC_WriteStrChannelPrefix(Client, Channel, Origin,
- false, "MODE %s %s%s", Channel_Name(Channel),
- the_modes, the_args);
- } else {
- if (use_servermode)
- Origin = Client_ThisServer();
- /* Send reply to client and inform other servers and channel users */
- connected = IRC_WriteStrClientPrefix(Client, Origin,
- "MODE %s %s%s", Channel_Name(Channel),
- the_modes, the_args);
- /* Only forward requests for non-local channels */
- if (!Channel_IsLocal(Channel))
- IRC_WriteStrServersPrefix(Client, Origin,
- "MODE %s %s%s", Channel_Name(Channel),
- the_modes, the_args);
- IRC_WriteStrChannelPrefix(Client, Channel, Origin,
- false, "MODE %s %s%s", Channel_Name(Channel),
- the_modes, the_args);
- }
- }
- IRC_SetPenalty(Client, 1);
- return connected;
- } /* Channel_Mode */
- GLOBAL bool
- IRC_AWAY( CLIENT *Client, REQUEST *Req )
- {
- assert( Client != NULL );
- assert( Req != NULL );
- if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
- if(( Req->argc == 1 ) && (Req->argv[0][0] ))
- {
- Client_SetAway( Client, Req->argv[0] );
- Client_ModeAdd( Client, 'a' );
- IRC_WriteStrServersPrefix( Client, Client, "MODE %s :+a", Client_ID( Client ));
- return IRC_WriteStrClient( Client, RPL_NOWAWAY_MSG, Client_ID( Client ));
- }
- else
- {
- Client_ModeDel( Client, 'a' );
- IRC_WriteStrServersPrefix( Client, Client, "MODE %s :-a", Client_ID( Client ));
- return IRC_WriteStrClient( Client, RPL_UNAWAY_MSG, Client_ID( Client ));
- }
- } /* IRC_AWAY */
- static bool
- Add_Ban_Invite(int what, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, const char *Pattern)
- {
- const char *mask;
- bool already;
- bool ret;
- assert( Client != NULL );
- assert( Channel != NULL );
- assert( Pattern != NULL );
- assert(what == 'I' || what == 'b');
- mask = Lists_MakeMask(Pattern);
- already = Lists_CheckDupeMask(Channel_GetListInvites(Channel), mask);
- if (!already) {
- if (what == 'I')
- ret = Channel_AddInvite(Channel, mask, false);
- else
- ret = Channel_AddBan(Channel, mask);
- if (!ret)
- return CONNECTED;
- }
- if (already && (Client_Type(Prefix) == CLIENT_SERVER))
- return CONNECTED;
- if (what == 'I')
- return Send_ListChange("+I", Prefix, Client, Channel, mask);
- return Send_ListChange("+b", Prefix, Client, Channel, mask);
- }
- static bool
- Del_Ban_Invite(int what, CLIENT *Prefix, CLIENT *Client, CHANNEL *Channel, const char *Pattern)
- {
- const char *mask;
- struct list_head *list;
- assert( Client != NULL );
- assert( Channel != NULL );
- assert( Pattern != NULL );
- assert(what == 'I' || what == 'b');
- mask = Lists_MakeMask( Pattern );
- if (what == 'I')
- list = Channel_GetListInvites(Channel);
- else
- list = Channel_GetListBans(Channel);
- Lists_Del(list, mask);
- if (what == 'I')
- return Send_ListChange( "-I", Prefix, Client, Channel, mask );
- return Send_ListChange( "-b", Prefix, Client, Channel, mask );
- }
- static bool
- Send_ListChange(const char *Mode, CLIENT *Prefix, CLIENT *Client,
- CHANNEL *Channel, const char *Mask)
- {
- bool ok;
- if( Client_Type( Client ) == CLIENT_USER )
- {
- /* send confirmation to client */
- ok = IRC_WriteStrClientPrefix( Client, Prefix, "MODE %s %s %s", Channel_Name( Channel ), Mode, Mask );
- }
- else ok = true;
- /* to other servers */
- IRC_WriteStrServersPrefix( Client, Prefix, "MODE %s %s %s", Channel_Name( Channel ), Mode, Mask );
- /* and local users in channel */
- IRC_WriteStrChannelPrefix( Client, Channel, Prefix, false, "MODE %s %s %s", Channel_Name( Channel ), Mode, Mask );
-
- return ok;
- } /* Send_ListChange */
- /* -eof- */
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