/*
* ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
+ * Copyright (c)2001-2008 Alexander Barton (alex@barton.de)
*
* 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 "portab.h"
-static char UNUSED id[] = "$Id: irc-info.c,v 1.25 2005/02/04 13:15:38 alex Exp $";
-
#include "imp.h"
#include <assert.h>
#include <errno.h>
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include "ngircd.h"
-#include "cvs-version.h"
#include "conn-func.h"
#include "conn-zip.h"
#include "client.h"
#include "defines.h"
#include "log.h"
#include "messages.h"
+#include "match.h"
#include "tool.h"
#include "parse.h"
#include "irc-write.h"
#include "irc-info.h"
-GLOBAL BOOLEAN
+GLOBAL bool
IRC_ADMIN(CLIENT *Client, REQUEST *Req )
{
CLIENT *target, *prefix;
} /* IRC_ADMIN */
-GLOBAL BOOLEAN
+/**
+ * Handler for the IRC command "INFO".
+ * See RFC 2812 section 3.4.10.
+ */
+GLOBAL bool
+IRC_INFO(CLIENT * Client, REQUEST * Req)
+{
+ CLIENT *target, *prefix;
+ char msg[510];
+
+ assert(Client != NULL);
+ assert(Req != NULL);
+
+ /* Wrong number of parameters? */
+ if (Req->argc > 1)
+ return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
+ Client_ID(Client), Req->command);
+
+ /* Determine prefix */
+ if (Client_Type(Client) == CLIENT_SERVER)
+ prefix = Client_Search(Req->prefix);
+ else
+ prefix = Client;
+ if (!prefix)
+ return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
+ Client_ID(Client), Req->prefix);
+
+ /* Look for a target */
+ if (Req->argc > 0)
+ target = Client_Search(Req->argv[0]);
+ else
+ target = Client_ThisServer();
+
+ /* Make sure that the target is a server */
+ if (target && Client_Type(target) != CLIENT_SERVER)
+ target = Client_Introducer(target);
+
+ if (!target)
+ return IRC_WriteStrClient(prefix, ERR_NOSUCHSERVER_MSG,
+ Client_ID(prefix), Req->argv[0]);
+
+ /* Pass on to another server? */
+ if (target != Client_ThisServer()) {
+ IRC_WriteStrClientPrefix(target, prefix, "INFO %s",
+ Req->argv[0]);
+ return CONNECTED;
+ }
+
+ if (!IRC_WriteStrClient(Client, RPL_INFO_MSG, Client_ID(prefix),
+ NGIRCd_Version))
+ return DISCONNECTED;
+
+ strlcpy(msg, "Server has been started ", sizeof(msg));
+ strlcat(msg, NGIRCd_StartStr, sizeof(msg));
+ if (!IRC_WriteStrClient(Client, RPL_INFO_MSG, Client_ID(prefix), msg))
+ return DISCONNECTED;
+
+ if (!IRC_WriteStrClient(Client, RPL_ENDOFINFO_MSG, Client_ID(prefix)))
+ return DISCONNECTED;
+
+ IRC_SetPenalty(Client, 2);
+ return CONNECTED;
+} /* IRC_INFO */
+
+
+GLOBAL bool
IRC_ISON( CLIENT *Client, REQUEST *Req )
{
- CHAR rpl[COMMAND_LEN];
+ char rpl[COMMAND_LEN];
CLIENT *c;
- CHAR *ptr;
- INT i;
+ char *ptr;
+ int i;
assert( Client != NULL );
assert( Req != NULL );
/* Falsche Anzahl Parameter? */
if(( Req->argc < 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
- strcpy( rpl, RPL_ISON_MSG );
+ strlcpy( rpl, RPL_ISON_MSG, sizeof rpl );
for( i = 0; i < Req->argc; i++ )
{
ptr = strtok( Req->argv[i], " " );
} /* IRC_ISON */
-GLOBAL BOOLEAN
+GLOBAL bool
IRC_LINKS( CLIENT *Client, REQUEST *Req )
{
CLIENT *target, *from, *c;
- CHAR *mask;
+ char *mask;
assert( Client != NULL );
assert( Req != NULL );
} /* IRC_LINKS */
-GLOBAL BOOLEAN
+GLOBAL bool
IRC_LUSERS( CLIENT *Client, REQUEST *Req )
{
CLIENT *target, *from;
} /* IRC_LUSERS */
-GLOBAL BOOLEAN
+/**
+ * Handler for the IRC command "SERVLIST".
+ * List registered services, see RFC 2811, section 3.5.1: the syntax is
+ * "SERVLIST [<mask> [<type>]]".
+ */
+GLOBAL bool
+IRC_SERVLIST(CLIENT *Client, REQUEST *Req)
+{
+ CLIENT *c;
+
+ assert(Client != NULL);
+ assert(Req != NULL);
+
+ if (Req->argc > 2)
+ return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
+ Client_ID(Client), Req->command);
+
+ if (Req->argc < 2 || strcmp(Req->argv[1], "0") == 0) {
+ for (c = Client_First(); c!= NULL; c = Client_Next(c)) {
+ if (Client_Type(c) != CLIENT_SERVICE)
+ continue;
+ if (Req->argc > 0 && !MatchCaseInsensitive(Req->argv[0],
+ Client_ID(c)))
+ continue;
+ if (!IRC_WriteStrClient(Client, RPL_SERVLIST_MSG,
+ Client_ID(Client), Client_Mask(c),
+ Client_Mask(Client_Introducer(c)), "*",
+ 0, Client_Hops(c), Client_Info(c)))
+ return DISCONNECTED;
+ }
+ }
+
+ return IRC_WriteStrClient(Client, RPL_SERVLISTEND_MSG, Client_ID(Client),
+ Req->argc > 0 ? Req->argv[0] : "*",
+ Req->argc > 1 ? Req->argv[1] : "0");
+} /* IRC_SERVLIST */
+
+
+GLOBAL bool
IRC_MOTD( CLIENT *Client, REQUEST *Req )
{
CLIENT *from, *target;
} /* IRC_MOTD */
-GLOBAL BOOLEAN
+GLOBAL bool
IRC_NAMES( CLIENT *Client, REQUEST *Req )
{
- CHAR rpl[COMMAND_LEN], *ptr;
+ char rpl[COMMAND_LEN], *ptr;
CLIENT *target, *from, *c;
CHANNEL *chan;
} /* IRC_NAMES */
-GLOBAL BOOLEAN
+static unsigned int
+t_diff(time_t *t, const time_t d)
+{
+ time_t diff, remain;
+
+ diff = *t / d;
+ remain = diff * d;
+ *t -= remain;
+
+ return diff;
+}
+
+
+static unsigned int
+uptime_days(time_t *now)
+{
+ return t_diff(now, 60 * 60 * 24);
+}
+
+
+static unsigned int
+uptime_hrs(time_t *now)
+{
+ return t_diff(now, 60 * 60);
+}
+
+
+static unsigned int
+uptime_mins(time_t *now)
+{
+ return t_diff(now, 60);
+}
+
+
+GLOBAL bool
IRC_STATS( CLIENT *Client, REQUEST *Req )
{
CLIENT *from, *target, *cl;
CONN_ID con;
- CHAR query;
+ char query;
COMMAND *cmd;
+ time_t time_now;
+ unsigned int days, hrs, mins;
assert( Client != NULL );
assert( Req != NULL );
/* Falsche Anzahl Parameter? */
- if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ if (Req->argc > 2)
+ return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG, Client_ID(Client), Req->command);
/* From aus Prefix ermitteln */
- if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
- else from = Client;
- if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
+ if (Client_Type(Client) == CLIENT_SERVER)
+ from = Client_Search(Req->prefix);
+ else
+ from = Client;
- if( Req->argc == 2 )
- {
+ if (! from)
+ return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix);
+
+ if (Req->argc == 2) {
/* an anderen Server forwarden */
target = Client_Search( Req->argv[1] );
- if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
+ if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER ))
+ return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
- if( target != Client_ThisServer( ))
- {
+ if( target != Client_ThisServer()) {
/* Ok, anderer Server ist das Ziel: forwarden */
return IRC_WriteStrClientPrefix( target, from, "STATS %s %s", Req->argv[0], Req->argv[1] );
}
}
- if( Req->argc > 0 ) query = Req->argv[0][0] ? Req->argv[0][0] : '*';
- else query = '*';
+ if (Req->argc > 0)
+ query = Req->argv[0][0] ? Req->argv[0][0] : '*';
+ else
+ query = '*';
- switch ( query )
- {
+ switch (query) {
case 'l': /* Links */
case 'L':
- con = Conn_First( );
- while( con != NONE )
- {
- cl = Client_GetFromConn( con );
- if( cl && (( Client_Type( cl ) == CLIENT_SERVER ) || ( cl == Client )))
- {
+ time_now = time(NULL);
+ for (con = Conn_First(); con != NONE ;con = Conn_Next(con)) {
+ cl = Conn_GetClient(con);
+ if (!cl)
+ continue;
+ if ((Client_Type(cl) == CLIENT_SERVER) || (cl == Client)) {
/* Server link or our own connection */
#ifdef ZLIB
- if( Conn_Options( con ) & CONN_ZIP )
- {
- if( ! IRC_WriteStrClient( from, RPL_STATSLINKINFOZIP_MSG, Client_ID( from ), Client_Mask( cl ), Conn_SendQ( con ), Conn_SendMsg( con ), Zip_SendBytes( con ), Conn_SendBytes( con ), Conn_RecvMsg( con ), Zip_RecvBytes( con ), Conn_RecvBytes( con ), (LONG)( time( NULL ) - Conn_StartTime( con )))) return DISCONNECTED;
+ if (Conn_Options(con) & CONN_ZIP) {
+ if (!IRC_WriteStrClient(from, RPL_STATSLINKINFOZIP_MSG,
+ Client_ID(from), Client_Mask(cl), Conn_SendQ(con),
+ Conn_SendMsg(con), Zip_SendBytes(con), Conn_SendBytes(con),
+ Conn_RecvMsg(con), Zip_RecvBytes(con), Conn_RecvBytes(con), (long)(time_now - Conn_StartTime(con))))
+ return DISCONNECTED;
+ continue;
}
- else
#endif
- {
- if( ! IRC_WriteStrClient( from, RPL_STATSLINKINFO_MSG, Client_ID( from ), Client_Mask( cl ), Conn_SendQ( con ), Conn_SendMsg( con ), Conn_SendBytes( con ), Conn_RecvMsg( con ), Conn_RecvBytes( con ), (LONG)( time( NULL ) - Conn_StartTime( con )))) return DISCONNECTED;
- }
+ if (!IRC_WriteStrClient(from, RPL_STATSLINKINFO_MSG, Client_ID(from),
+ Client_Mask(cl), Conn_SendQ(con), Conn_SendMsg(con), Conn_SendBytes(con),
+ Conn_RecvMsg(con), Conn_RecvBytes(con), (long)(time_now - Conn_StartTime(con))))
+ return DISCONNECTED;
}
- con = Conn_Next( con );
}
break;
- case 'm': /* IRC-Befehle */
+ case 'm': /* IRC-Commands */
case 'M':
cmd = Parse_GetCommandStruct( );
- while( cmd->name )
- {
- if( cmd->lcount > 0 || cmd->rcount > 0 )
- {
- if( ! IRC_WriteStrClient( from, RPL_STATSCOMMANDS_MSG, Client_ID( from ), cmd->name, cmd->lcount, cmd->bytes, cmd->rcount )) return DISCONNECTED;
- }
- cmd++;
+ for (; cmd->name ; cmd++) {
+ if (cmd->lcount == 0 && cmd->rcount == 0)
+ continue;
+ if (!IRC_WriteStrClient(from, RPL_STATSCOMMANDS_MSG, Client_ID(from),
+ cmd->name, cmd->lcount, cmd->bytes, cmd->rcount))
+ return DISCONNECTED;
}
break;
+ case 'u': /* server uptime */
+ case 'U':
+ time_now = time(NULL) - NGIRCd_Start;
+ days = uptime_days(&time_now);
+ hrs = uptime_hrs(&time_now);
+ mins = uptime_mins(&time_now);
+ if (!IRC_WriteStrClient(from, RPL_STATSUPTIME, Client_ID(from),
+ days, hrs, mins, (unsigned int) time_now))
+ return DISCONNECTED;
+ break;
}
- IRC_SetPenalty( from, 2 );
- return IRC_WriteStrClient( from, RPL_ENDOFSTATS_MSG, Client_ID( from ), query );
+ IRC_SetPenalty(from, 2);
+ return IRC_WriteStrClient(from, RPL_ENDOFSTATS_MSG, Client_ID(from), query);
} /* IRC_STATS */
-GLOBAL BOOLEAN
+/**
+ * Handler for the IRC command "SUMMON".
+ * See RFC 2812 section 4.5. ngIRCd doesn't implement this functionality and
+ * therefore answers with ERR_SUMMONDISABLED.
+ */
+GLOBAL bool
+IRC_SUMMON(CLIENT * Client, REQUEST * Req)
+{
+ return IRC_WriteStrClient(Client, ERR_SUMMONDISABLED_MSG,
+ Client_ID(Client), Req->command);
+} /* IRC_SUMMON */
+
+
+GLOBAL bool
IRC_TIME( CLIENT *Client, REQUEST *Req )
{
CLIENT *from, *target;
- CHAR t_str[64];
+ char t_str[64];
time_t t;
assert( Client != NULL );
}
t = time( NULL );
- (VOID)strftime( t_str, 60, "%A %B %d %Y -- %H:%M %Z", localtime( &t ));
+ (void)strftime( t_str, 60, "%A %B %d %Y -- %H:%M %Z", localtime( &t ));
return IRC_WriteStrClient( from, RPL_TIME_MSG, Client_ID( from ), Client_ID( Client_ThisServer( )), t_str );
} /* IRC_TIME */
-GLOBAL BOOLEAN
+GLOBAL bool
IRC_USERHOST( CLIENT *Client, REQUEST *Req )
{
- CHAR rpl[COMMAND_LEN];
+ char rpl[COMMAND_LEN];
CLIENT *c;
- INT max, i;
+ int max, i;
assert( Client != NULL );
assert( Req != NULL );
if( Req->argc > 5 ) max = 5;
else max = Req->argc;
- strcpy( rpl, RPL_USERHOST_MSG );
+ strlcpy( rpl, RPL_USERHOST_MSG, sizeof rpl );
for( i = 0; i < max; i++ )
{
c = Client_Search( Req->argv[i] );
} /* IRC_USERHOST */
-GLOBAL BOOLEAN
+/**
+ * Handler for the IRC command "USERS".
+ * See RFC 2812 section 4.6. As suggested there the command is disabled.
+ */
+GLOBAL bool
+IRC_USERS(CLIENT * Client, REQUEST * Req)
+{
+ return IRC_WriteStrClient(Client, ERR_USERSDISABLED_MSG,
+ Client_ID(Client), Req->command);
+} /* IRC_USERS */
+
+
+GLOBAL bool
IRC_VERSION( CLIENT *Client, REQUEST *Req )
{
CLIENT *target, *prefix;
-#ifdef CVSDATE
- CHAR ver[12], vertxt[30];
-#endif
assert( Client != NULL );
assert( Req != NULL );
return CONNECTED;
}
- /* mit Versionsinfo antworten */
- IRC_SetPenalty( Client, 1 );
-#ifdef CVSDATE
- strlcpy( ver, CVSDATE, sizeof( ver ));
- strncpy( ver + 4, ver + 5, 2 );
- strncpy( ver + 6, ver + 8, 3 );
- snprintf( vertxt, sizeof( vertxt ), "%s(%s)", PACKAGE_VERSION, ver );
- return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), PACKAGE_NAME, vertxt, NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
-#else
- return IRC_WriteStrClient( Client, RPL_VERSION_MSG, Client_ID( prefix ), PACKAGE_NAME, PACKAGE_VERSION, NGIRCd_DebugLevel, Conf_ServerName, NGIRCd_VersionAddition( ));
-#endif
+ /* send version information */
+ IRC_SetPenalty(Client, 1);
+ return IRC_WriteStrClient(Client, RPL_VERSION_MSG, Client_ID(prefix),
+ PACKAGE_NAME, PACKAGE_VERSION,
+ NGIRCd_DebugLevel, Conf_ServerName,
+ NGIRCd_VersionAddition);
} /* IRC_VERSION */
-GLOBAL BOOLEAN
+static bool
+write_whoreply(CLIENT *Client, CLIENT *c, const char *channelname, const char *flags)
+{
+ return IRC_WriteStrClient(Client, RPL_WHOREPLY_MSG, Client_ID(Client), channelname,
+ Client_User(c), Client_Hostname(c), Client_ID(Client_Introducer(c)), Client_ID(c),
+ flags, Client_Hops(c), Client_Info(c));
+}
+
+
+static const char *
+who_flags_status(const char *client_modes)
+{
+ if (strchr(client_modes, 'a'))
+ return "G"; /* away */
+ return "H";
+}
+
+
+static const char *
+who_flags_qualifier(const char *chan_user_modes)
+{
+ if (strchr(chan_user_modes, 'o'))
+ return "@";
+ else if (strchr(chan_user_modes, 'v'))
+ return "+";
+ return "";
+}
+
+
+static bool
+IRC_Send_WHO(CLIENT *Client, CHANNEL *Chan, bool OnlyOps)
+{
+ bool is_visible, is_member, is_ircop;
+ CL2CHAN *cl2chan;
+ const char *client_modes;
+ const char *chan_user_modes;
+ char flags[8];
+ CLIENT *c;
+
+ assert( Client != NULL );
+ assert( Chan != NULL );
+
+ is_member = Channel_IsMemberOf(Chan, Client);
+
+ /* Secret channel? */
+ if (!is_member && strchr(Channel_Modes(Chan), 's'))
+ return IRC_WriteStrClient(Client, RPL_ENDOFWHO_MSG, Client_ID(Client), Channel_Name(Chan));
+
+ cl2chan = Channel_FirstMember(Chan);
+ for (; cl2chan ; cl2chan = Channel_NextMember(Chan, cl2chan)) {
+ c = Channel_GetClient(cl2chan);
+
+ client_modes = Client_Modes(c);
+ is_ircop = strchr(client_modes, 'o') != NULL;
+ if (OnlyOps && !is_ircop)
+ continue;
+
+ is_visible = strchr(client_modes, 'i') == NULL;
+ if (is_member || is_visible) {
+ strcpy(flags, who_flags_status(client_modes));
+ if (is_ircop)
+ strlcat(flags, "*", sizeof(flags));
+
+ chan_user_modes = Channel_UserModes(Chan, c);
+ strlcat(flags, who_flags_qualifier(chan_user_modes), sizeof(flags));
+
+ if (!write_whoreply(Client, c, Channel_Name(Chan), flags))
+ return DISCONNECTED;
+ }
+ }
+ return IRC_WriteStrClient(Client, RPL_ENDOFWHO_MSG, Client_ID(Client), Channel_Name(Chan));
+} /* IRC_Send_WHO */
+
+
+GLOBAL bool
IRC_WHO( CLIENT *Client, REQUEST *Req )
{
- BOOLEAN ok, only_ops;
- CHAR flags[8], *ptr;
+ bool only_ops, have_arg, client_match;
+ const char *channelname, *client_modes, *chan_user_modes;
+ char pattern[COMMAND_LEN];
+ char flags[4];
CL2CHAN *cl2chan;
- CHANNEL *chan;
+ CHANNEL *chan, *cn;
CLIENT *c;
assert( Client != NULL );
assert( Req != NULL );
- /* Falsche Anzahl Parameter? */
- if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ if (Req->argc > 2)
+ return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
- only_ops = FALSE;
- chan = NULL;
+ only_ops = false;
+ have_arg = false;
- if( Req->argc == 2 )
- {
- /* Nur OPs anzeigen? */
- if( strcmp( Req->argv[1], "o" ) == 0 ) only_ops = TRUE;
+ if (Req->argc == 2) {
+ if (strcmp(Req->argv[1], "o") == 0)
+ only_ops = true;
#ifdef STRICT_RFC
- else return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ else return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG, Client_ID(Client), Req->command);
#endif
}
- if( Req->argc >= 1 )
- {
- /* wurde ein Channel oder Nick-Mask angegeben? */
- chan = Channel_Search( Req->argv[0] );
+ IRC_SetPenalty(Client, 1);
+ if (Req->argc >= 1) { /* Channel or Mask. */
+ chan = Channel_Search(Req->argv[0]);
+ if (chan)
+ return IRC_Send_WHO(Client, chan, only_ops);
+ if (strcmp(Req->argv[0], "0") != 0) { /* RFC stupidity, same as no arguments */
+ have_arg = true;
+ strlcpy(pattern, Req->argv[0], sizeof(pattern));
+ ngt_LowerStr(pattern);
+ IRC_SetPenalty(Client, 3);
+ }
}
- if( chan )
- {
- /* User eines Channels ausgeben */
- if( ! IRC_Send_WHO( Client, chan, only_ops )) return DISCONNECTED;
- }
+ for (c = Client_First(); c != NULL; c = Client_Next(c)) {
+ if (Client_Type(c) != CLIENT_USER)
+ continue;
+ /*
+ * RFC 2812, 3.6.1:
+ * In the absence of the parameter, all visible (users who aren't
+ * invisible (user mode +i) and who don't have a common channel
+ * with the requesting client) are listed.
+ *
+ * The same result can be achieved by using a [sic] of "0"
+ * or any wildcard which will end up matching every visible user.
+ *
+ * The [sic] passed to WHO is matched against users' host, server, real name and
+ * nickname if the channel cannot be found.
+ */
+ client_modes = Client_Modes(c);
+ if (strchr(client_modes, 'i'))
+ continue;
+
+ if (only_ops && !strchr(client_modes, 'o'))
+ continue;
+
+ if (have_arg) { /* match pattern against user host/server/name/nick */
+ client_match = MatchCaseInsensitive(pattern, Client_Hostname(c)); /* user's host */
+ if (!client_match)
+ client_match = MatchCaseInsensitive(pattern, Client_ID(Client_Introducer(c))); /* server */
+ if (!client_match)
+ client_match = Match(Req->argv[0], Client_Info(c)); /* realname */
+ if (!client_match)
+ client_match = MatchCaseInsensitive(pattern, Client_ID(c)); /* nick name */
+
+ if (!client_match) /* This isn't the client you're looking for */
+ continue;
+ }
- c = Client_First( );
- while( c )
- {
- if(( Client_Type( c ) == CLIENT_USER ) && ( ! strchr( Client_Modes( c ), 'i' )))
- {
- ok = FALSE;
- if( Req->argc == 0 ) ok = TRUE;
- else
- {
- if( strcasecmp( Req->argv[0], Client_ID( c )) == 0 ) ok = TRUE;
- else if( strcmp( Req->argv[0], "0" ) == 0 ) ok = TRUE;
- }
+ strcpy(flags, who_flags_status(client_modes));
+
+ if (strchr(client_modes, 'o')) /* this client is an operator */
+ strlcat(flags, "*", sizeof(flags));
- if( ok && (( ! only_ops ) || ( strchr( Client_Modes( c ), 'o' ))))
+ /* Search suitable channel */
+ cl2chan = Channel_FirstChannelOf(c);
+ while (cl2chan) {
+ cn = Channel_GetChannel(cl2chan);
+ if (Channel_IsMemberOf(cn, Client) ||
+ !strchr(Channel_Modes(cn), 's'))
{
- /* Flags zusammenbasteln */
- strcpy( flags, "H" );
- if( strchr( Client_Modes( c ), 'o' )) strlcat( flags, "*", sizeof( flags ));
-
- /* ausgeben */
- cl2chan = Channel_FirstChannelOf( c );
- if( cl2chan ) ptr = Channel_Name( Channel_GetChannel( cl2chan ));
- else ptr = "*";
- if( ! IRC_WriteStrClient( Client, RPL_WHOREPLY_MSG, Client_ID( Client ), ptr, Client_User( c ), Client_Hostname( c ), Client_ID( Client_Introducer( c )), Client_ID( c ), flags, Client_Hops( c ), Client_Info( c ))) return DISCONNECTED;
+ channelname = Channel_Name(cn);
+ break;
}
+ cl2chan = Channel_NextChannelOf(c, cl2chan);
}
-
- /* naechster Client */
- c = Client_Next( c );
+ if (cl2chan) {
+ chan = Channel_GetChannel(cl2chan);
+ chan_user_modes = Channel_UserModes(chan, c);
+ strlcat(flags, who_flags_qualifier(chan_user_modes), sizeof(flags));
+ } else
+ channelname = "*";
+
+ if (!write_whoreply(Client, c, channelname, flags))
+ return DISCONNECTED;
}
- if( chan ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Channel_Name( chan ));
- else if( Req->argc == 0 ) return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), "*" );
- else return IRC_WriteStrClient( Client, RPL_ENDOFWHO_MSG, Client_ID( Client ), Req->argv[0] );
+ if (Req->argc > 0)
+ channelname = Req->argv[0];
+ else
+ channelname = "*";
+
+ return IRC_WriteStrClient(Client, RPL_ENDOFWHO_MSG, Client_ID(Client), channelname);
} /* IRC_WHO */
-GLOBAL BOOLEAN
+GLOBAL bool
IRC_WHOIS( CLIENT *Client, REQUEST *Req )
{
CLIENT *from, *target, *c;
- CHAR str[LINE_LEN + 1];
+ char str[LINE_LEN + 1];
CL2CHAN *cl2chan;
CHANNEL *chan;
chan = Channel_GetChannel( cl2chan );
assert( chan != NULL );
+ /* next */
+ cl2chan = Channel_NextChannelOf( c, cl2chan );
+
+ /* Secret channel? */
+ if (strchr(Channel_Modes(chan), 's')
+ && !Channel_IsMemberOf(chan, Client))
+ continue;
+
+ /* Local channel and request is not from a user? */
+ if (Client_Type(Client) == CLIENT_SERVER
+ && Channel_IsLocal(chan))
+ continue;
+
/* Concatenate channel names */
if( str[strlen( str ) - 1] != ':' ) strlcat( str, " ", sizeof( str ));
if( strchr( Channel_UserModes( chan, c ), 'o' )) strlcat( str, "@", sizeof( str ));
if( ! IRC_WriteStrClient( Client, "%s", str )) return DISCONNECTED;
snprintf( str, sizeof( str ), RPL_WHOISCHANNELS_MSG, Client_ID( from ), Client_ID( c ));
}
-
- /* next */
- cl2chan = Channel_NextChannelOf( c, cl2chan );
}
if( str[strlen( str ) - 1] != ':')
{
if( ! IRC_WriteStrClient( from, RPL_WHOISOPERATOR_MSG, Client_ID( from ), Client_ID( c ))) return DISCONNECTED;
}
- /* Idle (only local clients) */
- if( Client_Conn( c ) > NONE )
- {
- if( ! IRC_WriteStrClient( from, RPL_WHOISIDLE_MSG, Client_ID( from ), Client_ID( c ), Conn_GetIdle( Client_Conn ( c )))) return DISCONNECTED;
+ /* Idle and signon time (local clients only!) */
+ if (Client_Conn(c) > NONE ) {
+ if (! IRC_WriteStrClient(from, RPL_WHOISIDLE_MSG,
+ Client_ID(from), Client_ID(c),
+ (unsigned long)Conn_GetIdle(Client_Conn(c)),
+ (unsigned long)Conn_GetSignon(Client_Conn(c))))
+ return DISCONNECTED;
}
/* Away? */
} /* IRC_WHOIS */
-GLOBAL BOOLEAN
+static bool
+WHOWAS_EntryWrite(CLIENT *prefix, WHOWAS *entry)
+{
+ char t_str[60];
+
+ (void)strftime(t_str, sizeof(t_str), "%a %b %d %H:%M:%S %Y",
+ localtime(&entry->time));
+
+ if (!IRC_WriteStrClient(prefix, RPL_WHOWASUSER_MSG, Client_ID(prefix),
+ entry->id, entry->user, entry->host, entry->info))
+ return DISCONNECTED;
+
+ return IRC_WriteStrClient(prefix, RPL_WHOISSERVER_MSG, Client_ID(prefix),
+ entry->id, entry->server, t_str);
+}
+
+/**
+ * IRC "WHOWAS" function.
+ * This function implements the IRC command "WHOWHAS". It handles local
+ * requests and request that should be forwarded to other servers.
+ */
+GLOBAL bool
IRC_WHOWAS( CLIENT *Client, REQUEST *Req )
{
+ CLIENT *target, *prefix;
+ WHOWAS *whowas;
+ char tok_buf[COMMAND_LEN];
+ int max, last, count, i, nc;
+ const char *nick;
+
assert( Client != NULL );
assert( Req != NULL );
- /* Falsche Anzahl Parameter? */
- if(( Req->argc < 1 ) || ( Req->argc > 3 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ /* Wrong number of parameters? */
+ if (Req->argc > 3)
+ return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
+ Client_ID(Client), Req->command);
+ if (Req->argc < 1)
+ return IRC_WriteStrClient(Client, ERR_NONICKNAMEGIVEN_MSG, Client_ID(Client));
+
+ /* Search target */
+ if (Req->argc == 3)
+ target = Client_Search(Req->argv[2]);
+ else
+ target = Client_ThisServer();
+
+ /* Get prefix */
+ if (Client_Type(Client) == CLIENT_SERVER)
+ prefix = Client_Search(Req->prefix);
+ else
+ prefix = Client;
+
+ if (!prefix)
+ return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
+ Client_ID(Client), Req->prefix);
+
+ /* Forward to other server? */
+ if (target != Client_ThisServer()) {
+ if (!target || (Client_Type(target) != CLIENT_SERVER))
+ return IRC_WriteStrClient(prefix, ERR_NOSUCHSERVER_MSG,
+ Client_ID(prefix), Req->argv[2]);
+
+ /* Forward */
+ IRC_WriteStrClientPrefix( target, prefix, "WHOWAS %s %s %s",
+ Req->argv[0], Req->argv[1],
+ Req->argv[2] );
+ return CONNECTED;
+ }
- /* ... */
+ whowas = Client_GetWhowas( );
+ last = Client_GetLastWhowasIndex( );
+ if (last < 0)
+ last = 0;
- return CONNECTED;
+ max = DEFAULT_WHOWAS;
+ if (Req->argc > 1) {
+ max = atoi(Req->argv[1]);
+ if (max < 1)
+ max = MAX_WHOWAS;
+ }
+
+ /*
+ * Break up the nick argument into a list of nicks, if applicable
+ * Can't modify Req->argv[0] because we need it for RPL_ENDOFWHOWAS_MSG.
+ */
+ strlcpy(tok_buf, Req->argv[0], sizeof(tok_buf));
+ nick = strtok(tok_buf, ",");
+
+ for (i=last, count=0; nick != NULL ; nick = strtok(NULL, ",")) {
+ nc = 0;
+ do {
+ /* Used entry? */
+ if (whowas[i].time > 0 && strcasecmp(nick, whowas[i].id) == 0) {
+ if (!WHOWAS_EntryWrite(prefix, &whowas[i]))
+ return DISCONNECTED;
+ nc++;
+ count++;
+ }
+ /* previous entry */
+ i--;
+
+ /* "underflow", wrap around */
+ if (i < 0)
+ i = MAX_WHOWAS - 1;
+
+ if (nc && count >= max)
+ break;
+ } while (i != last);
+
+ if (nc == 0 && !IRC_WriteStrClient(prefix, ERR_WASNOSUCHNICK_MSG,
+ Client_ID(prefix), nick))
+ return DISCONNECTED;
+ }
+ return IRC_WriteStrClient(prefix, RPL_ENDOFWHOWAS_MSG, Client_ID(prefix), Req->argv[0]);
} /* IRC_WHOWAS */
-GLOBAL BOOLEAN
+GLOBAL bool
IRC_Send_LUSERS( CLIENT *Client )
{
- LONG cnt;
+ unsigned long cnt;
+#ifndef STRICT_RFC
+ unsigned long max;
+#endif
assert( Client != NULL );
#ifndef STRICT_RFC
/* Maximum number of local users */
- if( ! IRC_WriteStrClient( Client, RPL_LOCALUSERS_MSG, Client_ID( Client ), Client_MyUserCount( ), Client_MyMaxUserCount( ))) return DISCONNECTED;
+ cnt = Client_MyUserCount();
+ max = Client_MyMaxUserCount();
+ if (! IRC_WriteStrClient(Client, RPL_LOCALUSERS_MSG, Client_ID(Client),
+ cnt, max, cnt, max))
+ return DISCONNECTED;
/* Maximum number of users in the network */
- if( ! IRC_WriteStrClient( Client, RPL_NETUSERS_MSG, Client_ID( Client ), Client_UserCount( ), Client_MaxUserCount( ))) return DISCONNECTED;
+ cnt = Client_UserCount();
+ max = Client_MaxUserCount();
+ if(! IRC_WriteStrClient(Client, RPL_NETUSERS_MSG, Client_ID(Client),
+ cnt, max, cnt, max))
+ return DISCONNECTED;
#endif
return CONNECTED;
} /* IRC_Send_LUSERS */
-GLOBAL BOOLEAN
+static bool
+Show_MOTD_Start(CLIENT *Client)
+{
+ return IRC_WriteStrClient(Client, RPL_MOTDSTART_MSG,
+ Client_ID( Client ), Client_ID( Client_ThisServer( )));
+}
+
+static bool
+Show_MOTD_Sendline(CLIENT *Client, const char *msg)
+{
+ return IRC_WriteStrClient(Client, RPL_MOTD_MSG, Client_ID( Client ), msg);
+}
+
+static bool
+Show_MOTD_End(CLIENT *Client)
+{
+ return IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ));
+}
+
+#ifdef SSL_SUPPORT
+static bool Show_MOTD_SSLInfo(CLIENT *Client)
+{
+ bool ret = true;
+ char buf[COMMAND_LEN] = "Connected using Cipher ";
+
+ if (!Conn_GetCipherInfo(Client_Conn(Client), buf + 23, sizeof buf - 23))
+ return true;
+
+ if (!Show_MOTD_Sendline(Client, buf))
+ ret = false;
+
+ return ret;
+}
+#else
+static inline bool Show_MOTD_SSLInfo(UNUSED CLIENT *c) { return true; }
+#endif
+
+GLOBAL bool
IRC_Show_MOTD( CLIENT *Client )
{
- BOOLEAN ok;
- CHAR line[127];
+ char line[127];
FILE *fd;
assert( Client != NULL );
- if( Conf_MotdPhrase[0] )
- {
- if( ! IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return DISCONNECTED;
- if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), Conf_MotdPhrase )) return DISCONNECTED;
- return IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ));
+ if (Conf_MotdPhrase[0]) {
+ if (!Show_MOTD_Start(Client))
+ return DISCONNECTED;
+ if (!Show_MOTD_Sendline(Client, Conf_MotdPhrase))
+ return DISCONNECTED;
+ goto out;
}
fd = fopen( Conf_MotdFile, "r" );
- if( ! fd )
- {
+ if( ! fd ) {
Log( LOG_WARNING, "Can't read MOTD file \"%s\": %s", Conf_MotdFile, strerror( errno ));
+ if (Conn_UsesSSL(Client_Conn(Client))) {
+ if (!Show_MOTD_Start(Client))
+ return DISCONNECTED;
+ goto out;
+ }
return IRC_WriteStrClient( Client, ERR_NOMOTD_MSG, Client_ID( Client ) );
}
- if( ! IRC_WriteStrClient( Client, RPL_MOTDSTART_MSG, Client_ID( Client ), Client_ID( Client_ThisServer( )))) return DISCONNECTED;
- while( TRUE )
- {
- if( ! fgets( line, sizeof( line ), fd )) break;
+ if (!Show_MOTD_Start( Client )) {
+ fclose(fd);
+ return false;
+ }
+ while (fgets( line, (int)sizeof line, fd )) {
ngt_TrimLastChr( line, '\n');
- if( ! IRC_WriteStrClient( Client, RPL_MOTD_MSG, Client_ID( Client ), line ))
- {
+ if( ! Show_MOTD_Sendline( Client, line)) {
fclose( fd );
- return FALSE;
+ return false;
}
}
- ok = IRC_WriteStrClient( Client, RPL_ENDOFMOTD_MSG, Client_ID( Client ) );
-
- fclose( fd );
-
- return ok;
+ fclose(fd);
+out:
+ if (!Show_MOTD_SSLInfo(Client))
+ return DISCONNECTED;
+ return Show_MOTD_End(Client);
} /* IRC_Show_MOTD */
-GLOBAL BOOLEAN
+GLOBAL bool
IRC_Send_NAMES( CLIENT *Client, CHANNEL *Chan )
{
- BOOLEAN is_visible, is_member;
- CHAR str[LINE_LEN + 1];
+ bool is_visible, is_member;
+ char str[LINE_LEN + 1];
CL2CHAN *cl2chan;
CLIENT *cl;
assert( Client != NULL );
assert( Chan != NULL );
- if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE;
- else is_member = FALSE;
+ if( Channel_IsMemberOf( Chan, Client )) is_member = true;
+ else is_member = false;
+
+ /* Secret channel? */
+ if( ! is_member && strchr( Channel_Modes( Chan ), 's' )) return CONNECTED;
/* Alle Mitglieder suchen */
snprintf( str, sizeof( str ), RPL_NAMREPLY_MSG, Client_ID( Client ), "=", Channel_Name( Chan ));
{
cl = Channel_GetClient( cl2chan );
- if( strchr( Client_Modes( cl ), 'i' )) is_visible = FALSE;
- else is_visible = TRUE;
+ if( strchr( Client_Modes( cl ), 'i' )) is_visible = false;
+ else is_visible = true;
if( is_member || is_visible )
{
} /* IRC_Send_NAMES */
-GLOBAL BOOLEAN
-IRC_Send_WHO( CLIENT *Client, CHANNEL *Chan, BOOLEAN OnlyOps )
-{
- BOOLEAN is_visible, is_member;
- CL2CHAN *cl2chan;
- CHAR flags[8];
- CLIENT *c;
-
- assert( Client != NULL );
- assert( Chan != NULL );
-
- if( Channel_IsMemberOf( Chan, Client )) is_member = TRUE;
- else is_member = FALSE;
-
- /* Alle Mitglieder suchen */
- cl2chan = Channel_FirstMember( Chan );
- while( cl2chan )
- {
- c = Channel_GetClient( cl2chan );
-
- if( strchr( Client_Modes( c ), 'i' )) is_visible = FALSE;
- else is_visible = TRUE;
-
- if( is_member || is_visible )
- {
- /* Flags zusammenbasteln */
- strcpy( flags, "H" );
- if( strchr( Client_Modes( c ), 'o' )) strlcat( flags, "*", sizeof( flags ));
- if( strchr( Channel_UserModes( Chan, c ), 'o' )) strlcat( flags, "@", sizeof( flags ));
- else if( strchr( Channel_UserModes( Chan, c ), 'v' )) strlcat( flags, "+", sizeof( flags ));
-
- /* ausgeben */
- if(( ! OnlyOps ) || ( strchr( Client_Modes( c ), 'o' )))
- {
- if( ! IRC_WriteStrClient( Client, RPL_WHOREPLY_MSG, Client_ID( Client ), Channel_Name( Chan ), Client_User( c ), Client_Hostname( c ), Client_ID( Client_Introducer( c )), Client_ID( c ), flags, Client_Hops( c ), Client_Info( c ))) return DISCONNECTED;
- }
- }
- /* naechstes Mitglied suchen */
- cl2chan = Channel_NextMember( Chan, cl2chan );
- }
- return CONNECTED;
-} /* IRC_Send_WHO */
+/**
+ * Send the ISUPPORT numeric (005).
+ * This numeric indicates the features that are supported by this server.
+ * See <http://www.irc.org/tech_docs/005.html> for details.
+ */
+GLOBAL bool
+IRC_Send_ISUPPORT PARAMS((CLIENT * Client))
+{
+ if (!IRC_WriteStrClient(Client, RPL_ISUPPORT1_MSG, Client_ID(Client),
+ Conf_MaxJoins))
+ return DISCONNECTED;
+ return IRC_WriteStrClient(Client, RPL_ISUPPORT2_MSG, Client_ID(Client),
+ CHANNEL_NAME_LEN - 1, Conf_MaxNickLength - 1,
+ COMMAND_LEN - 23, CLIENT_AWAY_LEN - 1,
+ COMMAND_LEN - 113);
+} /* IRC_Send_ISUPPORT */
/* -eof- */
projects / ngircd-alex.git / blobdiff