/*
* ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001-2004 Alexander Barton <alex@barton.de>
+ * Copyright (c)2001-2012 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
#include "conn-func.h"
#include "conf.h"
#include "channel.h"
+#include "conn-encoding.h"
#include "defines.h"
#include "irc-write.h"
#include "log.h"
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;
+}
GLOBAL bool
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));
if (Client != Client_ThisServer())
Log(LOG_NOTICE|LOG_snotice,
- "Got KILL command from \"%s\" for \"%s\": %s",
+ "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
} /* 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 )
+IRC_HELP(CLIENT *Client, REQUEST *Req)
{
COMMAND *cmd;
- assert( Client != NULL );
- assert( Req != NULL );
+ assert(Client != NULL);
+ assert(Req != NULL);
/* Bad number of arguments? */
- if( Req->argc > 0 ) return IRC_WriteStrClient( Client, ERR_NORECIPIENT_MSG, Client_ID( Client ), Req->command );
+ if (Req->argc > 1)
+ return IRC_WriteStrClient(Client, ERR_NORECIPIENT_MSG,
+ Client_ID(Client), Req->command);
- cmd = Parse_GetCommandStruct( );
- while( cmd->name )
- {
- if( ! IRC_WriteStrClient( Client, "NOTICE %s :%s", Client_ID( Client ), cmd->name )) return DISCONNECTED;
+ IRC_SetPenalty(Client, 2);
+
+ 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++;
}
-
- IRC_SetPenalty( Client, 2 );
return CONNECTED;
} /* IRC_HELP */
+/**
+ * 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;
+}
+
+
static char *
-Option_String( CONN_ID Idx )
+#ifdef ZLIB
+Option_String(CONN_ID Idx)
+#else
+Option_String(UNUSED CONN_ID Idx)
+#endif
{
static char option_txt[8];
+#ifdef ZLIB
UINT16 options;
options = Conn_Options(Idx);
+#endif
strcpy(option_txt, "F"); /* No idea what this means, but the
* original ircd sends it ... */
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);
return IRC_WriteStrClient(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);
Client_Type(cl) != CLIENT_SERVICE)
continue;
if (nick != NULL && host != NULL) {
- if (strcmp(nick, Client_ID(cl)) == 0 &&
- strcmp(user, Client_User(cl)) == 0 &&
- strcasecmp(host, Client_HostnameCloaked(cl)) == 0)
+ 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_HostnameCloaked(cl)) != 0)
+ Client_HostnameDisplayed(cl)) != 0)
continue;
if (server != NULL && strcasecmp(server,
Client_ID(Client_Introducer(cl))) != 0)
#else
if (Client_Type(cl) != ForceType) {
#endif
- if (!SendErrors)
- return CONNECTED;
- return IRC_WriteStrClient(from, ERR_NOSUCHNICK_MSG,
- Client_ID(from),
- currentTarget);
+ if (SendErrors && !IRC_WriteStrClient(
+ from, ERR_NOSUCHNICK_MSG,Client_ID(from),
+ currentTarget))
+ return DISCONNECTED;
+ goto send_next_target;
}
#ifndef STRICT_RFC
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_WriteStrClient(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_WriteStrClient(
+ from, ERR_NOTONSAMECHANNEL_MSG,
+ Client_ID(from), Client_ID(cl)))
+ return DISCONNECTED;
+ goto send_next_target;
+ }
+ }
if (SendErrors && (Client_Type(Client) != CLIENT_SERVER)
&& strchr(Client_Modes(cl), 'a')) {
}
if (!IRC_WriteStrClientPrefix(cl, from, "%s %s :%s",
Req->command, Client_ID(cl),
- Req->argv[1]))
+ message))
return DISCONNECTED;
} else if (ForceType != CLIENT_SERVICE
&& (chan = Channel_Search(currentTarget))) {
if (!Channel_Write(chan, from, Client, Req->command,
- SendErrors, Req->argv[1]))
+ SendErrors, message))
return DISCONNECTED;
} else if (ForceType != CLIENT_SERVICE
/* $#: server/target mask, RFC 2812, sec. 3.3.1 */
&& strchr(currentTarget, '.')) {
/* targetmask */
if (!Send_Message_Mask(from, Req->command, currentTarget,
- Req->argv[1], SendErrors))
+ message, SendErrors))
return DISCONNECTED;
} else {
if (!SendErrors)
return DISCONNECTED;
}
+ send_next_target:
currentTarget = strtok_r(NULL, ",", &lastCurrentTarget);
+ if (currentTarget)
+ Conn_SetPenalty(Client_Conn(Client), 1);
}
return CONNECTED;