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- /*
- * ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001-2014 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
- */
- #include <assert.h>
- #include <stdio.h>
- #include <string.h>
- #include <strings.h>
- #include <time.h>
- #include "ngircd.h"
- #include "conn-func.h"
- #include "conf.h"
- #include "channel.h"
- #ifdef ICONV
- # include "conn-encoding.h"
- #endif
- #include "irc-macros.h"
- #include "irc-write.h"
- #include "log.h"
- #include "match.h"
- #include "messages.h"
- #include "parse.h"
- #include "op.h"
- #include "irc.h"
- static char *Option_String PARAMS((CONN_ID Idx));
- static bool Send_Message PARAMS((CLIENT *Client, REQUEST *Req, int ForceType,
- bool SendErrors));
- static bool Send_Message_Mask PARAMS((CLIENT *from, char *command,
- char *targetMask, char *message,
- bool SendErrors));
- static bool Help PARAMS((CLIENT *Client, const char *Topic));
- /**
- * Check if a list limit is reached and inform client accordingly.
- *
- * @param From The client.
- * @param Count Reply item count.
- * @param Limit Reply limit.
- * @param Name Name of the list.
- * @return true if list limit has been reached; false otherwise.
- */
- GLOBAL bool
- IRC_CheckListTooBig(CLIENT *From, const int Count, const int Limit,
- const char *Name)
- {
- assert(From != NULL);
- assert(Count >= 0);
- assert(Limit > 0);
- assert(Name != NULL);
- if (Count < Limit)
- return false;
- (void)IRC_WriteStrClient(From,
- "NOTICE %s :%s list limit (%d) reached!",
- Client_ID(From), Name, Limit);
- IRC_SetPenalty(From, 2);
- return true;
- }
- /**
- * Handler for the IRC "ERROR" command.
- *
- * @param Client The client from which this command has been received.
- * @param Req Request structure with prefix and all parameters.
- * @return CONNECTED or DISCONNECTED.
- */
- GLOBAL bool
- IRC_ERROR(CLIENT *Client, REQUEST *Req)
- {
- assert( Client != NULL );
- assert( Req != NULL );
- if (Client_Type(Client) != CLIENT_GOTPASS
- && Client_Type(Client) != CLIENT_GOTPASS_2813
- && Client_Type(Client) != CLIENT_UNKNOWNSERVER
- && Client_Type(Client) != CLIENT_SERVER
- && Client_Type(Client) != CLIENT_SERVICE) {
- LogDebug("Ignored ERROR command from \"%s\" ...",
- Client_Mask(Client));
- IRC_SetPenalty(Client, 2);
- return CONNECTED;
- }
- if (Req->argc < 1)
- Log(LOG_NOTICE, "Got ERROR from \"%s\"!",
- Client_Mask(Client));
- else
- Log(LOG_NOTICE, "Got ERROR from \"%s\": \"%s\"!",
- Client_Mask(Client), Req->argv[0]);
- return CONNECTED;
- } /* IRC_ERROR */
- /**
- * Handler for the IRC "KILL" command.
- *
- * This function implements the IRC command "KILL" which is used to selectively
- * disconnect clients. It can be used by IRC operators and servers, for example
- * to "solve" nick collisions after netsplits. See RFC 2812 section 3.7.1.
- *
- * Please note that this function is also called internally, without a real
- * KILL command being received over the network! Client is Client_ThisServer()
- * in this case, and the prefix in Req is NULL.
- *
- * @param Client The client from which this command has been received or
- * Client_ThisServer() when generated interanlly.
- * @param Req Request structure with prefix and all parameters.
- * @return CONNECTED or DISCONNECTED.
- */
- GLOBAL bool
- IRC_KILL(CLIENT *Client, REQUEST *Req)
- {
- CLIENT *prefix;
- char reason[COMMAND_LEN];
- assert (Client != NULL);
- assert (Req != NULL);
- if (Client_Type(Client) != CLIENT_SERVER && !Op_Check(Client, Req))
- return Op_NoPrivileges(Client, Req);
- /* Get prefix (origin); use the client if no prefix is given. */
- if (Req->prefix)
- prefix = Client_Search(Req->prefix);
- else
- prefix = Client;
- /* Log a warning message and use this server as origin when the
- * prefix (origin) is invalid. And this is the reason why we don't
- * use the _IRC_GET_SENDER_OR_RETURN_ macro above! */
- if (!prefix) {
- Log(LOG_WARNING, "Got KILL with invalid prefix: \"%s\"!",
- Req->prefix );
- prefix = Client_ThisServer();
- }
- if (Client != Client_ThisServer())
- Log(LOG_NOTICE|LOG_snotice,
- "Got KILL command from \"%s\" for \"%s\": \"%s\".",
- Client_Mask(prefix), Req->argv[0], Req->argv[1]);
- /* Build reason string: Prefix the "reason" if the originator is a
- * regular user, so users can't spoof KILLs of servers. */
- if (Client_Type(Client) == CLIENT_USER)
- snprintf(reason, sizeof(reason), "KILLed by %s: %s",
- Client_ID(Client), Req->argv[1]);
- else
- strlcpy(reason, Req->argv[1], sizeof(reason));
- return IRC_KillClient(Client, prefix, Req->argv[0], reason);
- }
- /**
- * Handler for the IRC "NOTICE" command.
- *
- * @param Client The client from which this command has been received.
- * @param Req Request structure with prefix and all parameters.
- * @return CONNECTED or DISCONNECTED.
- */
- GLOBAL bool
- IRC_NOTICE(CLIENT *Client, REQUEST *Req)
- {
- return Send_Message(Client, Req, CLIENT_USER, false);
- } /* IRC_NOTICE */
- /**
- * Handler for the IRC "PRIVMSG" command.
- *
- * @param Client The client from which this command has been received.
- * @param Req Request structure with prefix and all parameters.
- * @return CONNECTED or DISCONNECTED.
- */
- GLOBAL bool
- IRC_PRIVMSG(CLIENT *Client, REQUEST *Req)
- {
- return Send_Message(Client, Req, CLIENT_USER, true);
- } /* IRC_PRIVMSG */
- /**
- * Handler for the IRC "SQUERY" command.
- *
- * @param Client The client from which this command has been received.
- * @param Req Request structure with prefix and all parameters.
- * @return CONNECTED or DISCONNECTED.
- */
- GLOBAL bool
- IRC_SQUERY(CLIENT *Client, REQUEST *Req)
- {
- return Send_Message(Client, Req, CLIENT_SERVICE, true);
- } /* IRC_SQUERY */
- /*
- * Handler for the IRC "TRACE" command.
- *
- * @param Client The client from which this command has been received.
- * @param Req Request structure with prefix and all parameters.
- * @return CONNECTED or DISCONNECTED.
- */
- GLOBAL bool
- IRC_TRACE(CLIENT *Client, REQUEST *Req)
- {
- CLIENT *from, *target, *c;
- CONN_ID idx, idx2;
- char user[CLIENT_USER_LEN];
- assert(Client != NULL);
- assert(Req != NULL);
- _IRC_GET_SENDER_OR_RETURN_(from, Req, Client)
- _IRC_GET_TARGET_SERVER_OR_RETURN_(target, Req, 0, from)
- /* Forward command to other server? */
- if (target != Client_ThisServer()) {
- /* Send RPL_TRACELINK back to initiator */
- idx = Client_Conn(Client);
- assert(idx > NONE);
- idx2 = Client_Conn(Client_NextHop(target));
- assert(idx2 > NONE);
- if (!IRC_WriteStrClient(from, RPL_TRACELINK_MSG,
- Client_ID(from), PACKAGE_NAME,
- PACKAGE_VERSION, Client_ID(target),
- Client_ID(Client_NextHop(target)),
- Option_String(idx2),
- time(NULL) - Conn_StartTime(idx2),
- Conn_SendQ(idx), Conn_SendQ(idx2)))
- return DISCONNECTED;
- /* Forward command */
- IRC_WriteStrClientPrefix(target, from, "TRACE %s", Req->argv[0]);
- return CONNECTED;
- }
- /* Infos about all connected servers */
- c = Client_First();
- while (c) {
- if (Client_Conn(c) > NONE) {
- /* Local client */
- if (Client_Type(c) == CLIENT_SERVER) {
- /* Server link */
- strlcpy(user, Client_User(c), sizeof(user));
- if (user[0] == '~')
- strlcpy(user, "unknown", sizeof(user));
- if (!IRC_WriteStrClient(from,
- RPL_TRACESERVER_MSG,
- Client_ID(from), Client_ID(c),
- user, Client_Hostname(c),
- Client_Mask(Client_ThisServer()),
- Option_String(Client_Conn(c))))
- return DISCONNECTED;
- }
- if (Client_Type(c) == CLIENT_USER
- && Client_HasMode(c, 'o')) {
- /* IRC Operator */
- if (!IRC_WriteStrClient(from,
- RPL_TRACEOPERATOR_MSG,
- Client_ID(from), Client_ID(c)))
- return DISCONNECTED;
- }
- }
- c = Client_Next( c );
- }
- return IRC_WriteStrClient(from, RPL_TRACEEND_MSG, Client_ID(from),
- Conf_ServerName, PACKAGE_NAME,
- PACKAGE_VERSION, NGIRCd_DebugLevel);
- } /* IRC_TRACE */
- /**
- * Handler for the IRC "HELP" command.
- *
- * @param Client The client from which this command has been received.
- * @param Req Request structure with prefix and all parameters.
- * @return CONNECTED or DISCONNECTED.
- */
- GLOBAL bool
- IRC_HELP(CLIENT *Client, REQUEST *Req)
- {
- COMMAND *cmd;
- assert(Client != NULL);
- assert(Req != NULL);
- if ((Req->argc == 0 && array_bytes(&Conf_Helptext) > 0)
- || (Req->argc >= 1 && strcasecmp(Req->argv[0], "Commands") != 0)) {
- /* Help text available and requested */
- if (Req->argc >= 1)
- return Help(Client, Req->argv[0]);
- if (!Help(Client, "Intro"))
- return DISCONNECTED;
- return CONNECTED;
- }
- cmd = Parse_GetCommandStruct();
- while(cmd->name) {
- if (!IRC_WriteStrClient(Client, "NOTICE %s :%s",
- Client_ID(Client), cmd->name))
- return DISCONNECTED;
- cmd++;
- }
- return CONNECTED;
- } /* IRC_HELP */
- /**
- * Kill an client identified by its nick name.
- *
- * Please note that after killig a client, its CLIENT cond CONNECTION
- * structures are invalid. So the caller must make sure on its own not to
- * access data of probably killed clients after calling this function!
- *
- * @param Client The client from which the command leading to the KILL has
- * been received, or NULL. The KILL will no be forwarded in this
- * direction. Only relevant when From is set, too.
- * @param From The client from which the command originated, or NULL for
- the local server.
- * @param Nick The nick name to kill.
- * @param Reason Text to send as reason to the client and other servers.
- */
- GLOBAL bool
- IRC_KillClient(CLIENT *Client, CLIENT *From, const char *Nick, const char *Reason)
- {
- const char *msg;
- CONN_ID my_conn, conn;
- CLIENT *c;
- /* Do we know such a client in the network? */
- c = Client_Search(Nick);
- if (!c) {
- LogDebug("Client with nick \"%s\" is unknown, not forwaring.", Nick);
- return CONNECTED;
- }
- /* Inform other servers */
- IRC_WriteStrServersPrefix(From ? Client : NULL,
- From ? From : Client_ThisServer(),
- "KILL %s :%s", Nick, Reason);
- if (Client_Type(c) != CLIENT_USER && Client_Type(c) != CLIENT_GOTNICK) {
- /* Target of this KILL is not a regular user, this is
- * invalid! So we ignore this case if we received a
- * regular KILL from the network and try to kill the
- * client/connection anyway (but log an error!) if the
- * origin is the local server. */
- if (Client != Client_ThisServer()) {
- /* Invalid KILL received from remote */
- if (Client_Type(c) == CLIENT_SERVER)
- msg = ERR_CANTKILLSERVER_MSG;
- else
- msg = ERR_NOPRIVILEGES_MSG;
- return IRC_WriteErrClient(Client, msg, Client_ID(Client));
- }
- Log(LOG_ERR,
- "Got KILL for invalid client type: %d, \"%s\"!",
- Client_Type(c), Nick);
- }
- /* Save ID of this connection */
- my_conn = Client_Conn(Client);
- /* Kill the client NOW:
- * - Close the local connection (if there is one),
- * - Destroy the CLIENT structure for remote clients.
- * Note: Conn_Close() removes the CLIENT structure as well. */
- conn = Client_Conn(c);
- if(conn > NONE)
- Conn_Close(conn, NULL, Reason, true);
- else
- Client_Destroy(c, NULL, Reason, false);
- /* Are we still connected or were we killed, too? */
- if (my_conn > NONE && Conn_GetClient(my_conn))
- return CONNECTED;
- else
- return DISCONNECTED;
- }
- /**
- * Send help for a given topic to the client.
- *
- * @param Client The client requesting help.
- * @param Topoc The help topic requested.
- * @return CONNECTED or DISCONNECTED.
- */
- static bool
- Help(CLIENT *Client, const char *Topic)
- {
- char *line;
- size_t helptext_len, len_str, idx_start, lines = 0;
- bool in_article = false;
- assert(Client != NULL);
- assert(Topic != NULL);
- helptext_len = array_bytes(&Conf_Helptext);
- line = array_start(&Conf_Helptext);
- while (helptext_len > 0) {
- len_str = strlen(line) + 1;
- assert(helptext_len >= len_str);
- helptext_len -= len_str;
- if (in_article) {
- /* The first character in each article text line must
- * be a TAB (ASCII 9) character which will be stripped
- * in the output. If it is not a TAB, the end of the
- * article has been reached. */
- if (line[0] != '\t') {
- if (lines > 0)
- return CONNECTED;
- else
- break;
- }
- /* A single '.' character indicates an empty line */
- if (line[1] == '.' && line[2] == '\0')
- idx_start = 2;
- else
- idx_start = 1;
- if (!IRC_WriteStrClient(Client, "NOTICE %s :%s",
- Client_ID(Client),
- &line[idx_start]))
- return DISCONNECTED;
- lines++;
- } else {
- if (line[0] == '-' && line[1] == ' '
- && strcasecmp(&line[2], Topic) == 0)
- in_article = true;
- }
- line += len_str;
- }
- /* Help topic not found (or empty)! */
- if (!IRC_WriteStrClient(Client, "NOTICE %s :No help for \"%s\" found!",
- Client_ID(Client), Topic))
- return DISCONNECTED;
- return CONNECTED;
- }
- /**
- * Get pointer to a static string representing the connection "options".
- *
- * @param Idx Connection index.
- * @return Pointer to static (global) string buffer.
- */
- static char *
- #ifdef ZLIB
- Option_String(CONN_ID Idx)
- #else
- Option_String(UNUSED CONN_ID Idx)
- #endif
- {
- static char option_txt[8];
- UINT16 options;
- assert(Idx != NONE);
- options = Conn_Options(Idx);
- strcpy(option_txt, "F"); /* No idea what this means, but the
- * original ircd sends it ... */
- #ifdef SSL_SUPPORT
- if(options & CONN_SSL) /* SSL encrypted link */
- strlcat(option_txt, "s", sizeof(option_txt));
- #endif
- #ifdef ZLIB
- if(options & CONN_ZIP) /* zlib compression enabled */
- strlcat(option_txt, "z", sizeof(option_txt));
- #endif
- LogDebug(" *** %d: %d = %s", Idx, options, option_txt);
- return option_txt;
- } /* Option_String */
- static bool
- Send_Message(CLIENT * Client, REQUEST * Req, int ForceType, bool SendErrors)
- {
- CLIENT *cl, *from;
- CL2CHAN *cl2chan;
- CHANNEL *chan;
- char *currentTarget = Req->argv[0];
- char *lastCurrentTarget = NULL;
- char *message = NULL;
- assert(Client != NULL);
- assert(Req != NULL);
- if (Req->argc == 0) {
- if (!SendErrors)
- return CONNECTED;
- return IRC_WriteErrClient(Client, ERR_NORECIPIENT_MSG,
- Client_ID(Client), Req->command);
- }
- if (Req->argc == 1) {
- if (!SendErrors)
- return CONNECTED;
- return IRC_WriteErrClient(Client, ERR_NOTEXTTOSEND_MSG,
- Client_ID(Client));
- }
- if (Req->argc > 2) {
- if (!SendErrors)
- return CONNECTED;
- return IRC_WriteErrClient(Client, ERR_NEEDMOREPARAMS_MSG,
- Client_ID(Client), Req->command);
- }
- if (Client_Type(Client) == CLIENT_SERVER)
- from = Client_Search(Req->prefix);
- else
- from = Client;
- if (!from)
- return IRC_WriteErrClient(Client, ERR_NOSUCHNICK_MSG,
- Client_ID(Client), Req->prefix);
- #ifdef ICONV
- if (Client_Conn(Client) > NONE)
- message = Conn_EncodingFrom(Client_Conn(Client), Req->argv[1]);
- else
- #endif
- message = Req->argv[1];
- /* handle msgtarget = msgto *("," msgto) */
- currentTarget = strtok_r(currentTarget, ",", &lastCurrentTarget);
- ngt_UpperStr(Req->command);
- while (currentTarget) {
- /* Check for and handle valid <msgto> of form:
- * RFC 2812 2.3.1:
- * msgto = channel / ( user [ "%" host ] "@" servername )
- * msgto =/ ( user "%" host ) / targetmask
- * msgto =/ nickname / ( nickname "!" user "@" host )
- */
- if (strchr(currentTarget, '!') == NULL)
- /* nickname */
- cl = Client_Search(currentTarget);
- else
- cl = NULL;
- if (cl == NULL) {
- /* If currentTarget isn't a nickname check for:
- * user ["%" host] "@" servername
- * user "%" host
- * nickname "!" user "@" host
- */
- char target[COMMAND_LEN];
- char * nick = NULL;
- char * user = NULL;
- char * host = NULL;
- char * server = NULL;
- strlcpy(target, currentTarget, COMMAND_LEN);
- server = strchr(target, '@');
- if (server) {
- *server = '\0';
- server++;
- }
- host = strchr(target, '%');
- if (host) {
- *host = '\0';
- host++;
- }
- user = strchr(target, '!');
- if (user) {
- /* msgto form: nick!user@host */
- *user = '\0';
- user++;
- nick = target;
- host = server; /* not "@server" but "@host" */
- } else {
- user = target;
- }
- for (cl = Client_First(); cl != NULL; cl = Client_Next(cl)) {
- if (Client_Type(cl) != CLIENT_USER &&
- Client_Type(cl) != CLIENT_SERVICE)
- continue;
- if (nick != NULL && host != NULL) {
- if (strcasecmp(nick, Client_ID(cl)) == 0 &&
- strcasecmp(user, Client_User(cl)) == 0 &&
- strcasecmp(host, Client_HostnameDisplayed(cl)) == 0)
- break;
- else
- continue;
- }
- if (strcasecmp(user, Client_User(cl)) != 0)
- continue;
- if (host != NULL && strcasecmp(host,
- Client_HostnameDisplayed(cl)) != 0)
- continue;
- if (server != NULL && strcasecmp(server,
- Client_ID(Client_Introducer(cl))) != 0)
- continue;
- break;
- }
- }
- if (cl) {
- /* Target is a user, enforce type */
- #ifndef STRICT_RFC
- if (Client_Type(cl) != ForceType &&
- !(ForceType == CLIENT_USER &&
- (Client_Type(cl) == CLIENT_USER ||
- Client_Type(cl) == CLIENT_SERVICE))) {
- #else
- if (Client_Type(cl) != ForceType) {
- #endif
- if (SendErrors && !IRC_WriteErrClient(
- from, ERR_NOSUCHNICK_MSG,Client_ID(from),
- currentTarget))
- return DISCONNECTED;
- goto send_next_target;
- }
- #ifndef STRICT_RFC
- if (ForceType == CLIENT_SERVICE &&
- (Conn_Options(Client_Conn(Client_NextHop(cl)))
- & CONN_RFC1459)) {
- /* SQUERY command but RFC 1459 link: convert
- * request to PRIVMSG command */
- Req->command = "PRIVMSG";
- }
- #endif
- if (Client_HasMode(cl, 'b') &&
- !Client_HasMode(from, 'R') &&
- !Client_HasMode(from, 'o') &&
- !(Client_Type(from) == CLIENT_SERVER) &&
- !(Client_Type(from) == CLIENT_SERVICE)) {
- if (SendErrors && !IRC_WriteErrClient(from,
- ERR_NONONREG_MSG,
- Client_ID(from), Client_ID(cl)))
- return DISCONNECTED;
- goto send_next_target;
- }
- if (Client_HasMode(cl, 'C')) {
- cl2chan = Channel_FirstChannelOf(cl);
- while (cl2chan) {
- chan = Channel_GetChannel(cl2chan);
- if (Channel_IsMemberOf(chan, from))
- break;
- cl2chan = Channel_NextChannelOf(cl, cl2chan);
- }
- if (!cl2chan) {
- if (SendErrors && !IRC_WriteErrClient(
- from, ERR_NOTONSAMECHANNEL_MSG,
- Client_ID(from), Client_ID(cl)))
- return DISCONNECTED;
- goto send_next_target;
- }
- }
- if (SendErrors && (Client_Type(Client) != CLIENT_SERVER)
- && Client_HasMode(cl, 'a')) {
- /* Target is away */
- if (!IRC_WriteStrClient(from, RPL_AWAY_MSG,
- Client_ID(from),
- Client_ID(cl),
- Client_Away(cl)))
- return DISCONNECTED;
- }
- if (Client_Conn(from) > NONE) {
- Conn_UpdateIdle(Client_Conn(from));
- }
- if (!IRC_WriteStrClientPrefix(cl, from, "%s %s :%s",
- Req->command, Client_ID(cl),
- message))
- return DISCONNECTED;
- } else if (ForceType != CLIENT_SERVICE
- && (chan = Channel_Search(currentTarget))) {
- if (!Channel_Write(chan, from, Client, Req->command,
- SendErrors, message))
- return DISCONNECTED;
- } else if (ForceType != CLIENT_SERVICE
- /* $#: server/target mask, RFC 2812, sec. 3.3.1 */
- && strchr("$#", currentTarget[0])
- && strchr(currentTarget, '.')) {
- /* targetmask */
- if (!Send_Message_Mask(from, Req->command, currentTarget,
- message, SendErrors))
- return DISCONNECTED;
- } else {
- if (!SendErrors)
- return CONNECTED;
- if (!IRC_WriteErrClient(from, ERR_NOSUCHNICK_MSG,
- Client_ID(from), currentTarget))
- return DISCONNECTED;
- }
- send_next_target:
- currentTarget = strtok_r(NULL, ",", &lastCurrentTarget);
- if (currentTarget)
- Conn_SetPenalty(Client_Conn(Client), 1);
- }
- return CONNECTED;
- } /* Send_Message */
- static bool
- Send_Message_Mask(CLIENT * from, char * command, char * targetMask,
- char * message, bool SendErrors)
- {
- CLIENT *cl;
- bool client_match;
- char *mask = targetMask + 1;
- const char *check_wildcards;
- cl = NULL;
- if (!Client_HasMode(from, 'o')) {
- if (!SendErrors)
- return true;
- return IRC_WriteErrClient(from, ERR_NOPRIVILEGES_MSG,
- Client_ID(from));
- }
- /*
- * RFC 2812, sec. 3.3.1 requires that targetMask have at least one
- * dot (".") and no wildcards ("*", "?") following the last one.
- */
- check_wildcards = strrchr(targetMask, '.');
- assert(check_wildcards != NULL);
- if (check_wildcards &&
- check_wildcards[strcspn(check_wildcards, "*?")])
- {
- if (!SendErrors)
- return true;
- return IRC_WriteErrClient(from, ERR_WILDTOPLEVEL, targetMask);
- }
- /* #: hostmask, see RFC 2812, sec. 3.3.1 */
- if (targetMask[0] == '#') {
- for (cl = Client_First(); cl != NULL; cl = Client_Next(cl)) {
- if (Client_Type(cl) != CLIENT_USER)
- continue;
- client_match = MatchCaseInsensitive(mask, Client_Hostname(cl));
- if (client_match)
- if (!IRC_WriteStrClientPrefix(cl, from, "%s %s :%s",
- command, Client_ID(cl), message))
- return false;
- }
- } else {
- assert(targetMask[0] == '$'); /* $: server mask, see RFC 2812, sec. 3.3.1 */
- for (cl = Client_First(); cl != NULL; cl = Client_Next(cl)) {
- if (Client_Type(cl) != CLIENT_USER)
- continue;
- client_match = MatchCaseInsensitive(mask,
- Client_ID(Client_Introducer(cl)));
- if (client_match)
- if (!IRC_WriteStrClientPrefix(cl, from, "%s %s :%s",
- command, Client_ID(cl), message))
- return false;
- }
- }
- return CONNECTED;
- } /* Send_Message_Mask */
- /* -eof- */
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