1578 lines
40 KiB
C
1578 lines
40 KiB
C
/*
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* ngIRCd -- The Next Generation IRC Daemon
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* Copyright (c)2001-2014 Alexander Barton (alex@barton.de) and Contributors.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* Please read the file COPYING, README and AUTHORS for more information.
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*/
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#include "portab.h"
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/**
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* @file
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* IRC info commands
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*/
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#include <assert.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <strings.h>
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#include <time.h>
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#include "ngircd.h"
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#include "conn-func.h"
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#include "conn-zip.h"
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#include "channel.h"
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#include "class.h"
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#include "conf.h"
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#include "lists.h"
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#include "messages.h"
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#include "match.h"
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#include "parse.h"
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#include "irc.h"
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#include "irc-macros.h"
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#include "irc-write.h"
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#include "client-cap.h"
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#include "op.h"
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#include "irc-info.h"
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/* Local functions */
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static unsigned int
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t_diff(time_t *t, const time_t d)
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{
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time_t diff, remain;
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diff = *t / d;
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remain = diff * d;
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*t -= remain;
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return (unsigned int)diff;
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}
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static unsigned int
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uptime_days(time_t *now)
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{
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return t_diff(now, 60 * 60 * 24);
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}
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static unsigned int
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uptime_hrs(time_t *now)
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{
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return t_diff(now, 60 * 60);
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}
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static unsigned int
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uptime_mins(time_t *now)
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{
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return t_diff(now, 60);
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}
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static bool
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write_whoreply(CLIENT *Client, CLIENT *c, const char *channelname, const char *flags)
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{
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return IRC_WriteStrClient(Client, RPL_WHOREPLY_MSG, Client_ID(Client),
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channelname, Client_User(c),
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Client_HostnameDisplayed(c),
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Client_ID(Client_Introducer(c)), Client_ID(c),
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flags, Client_Hops(c), Client_Info(c));
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}
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/**
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* Return channel user mode prefix(es).
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*
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* @param Client The client requesting the mode prefixes.
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* @param chan_user_modes String with channel user modes.
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* @param str String buffer to which the prefix(es) will be appended.
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* @param len Size of "str" buffer.
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* @return Pointer to "str".
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*/
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static char *
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who_flags_qualifier(CLIENT *Client, const char *chan_user_modes,
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char *str, size_t len)
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{
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assert(Client != NULL);
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if (Client_Cap(Client) & CLIENT_CAP_MULTI_PREFIX) {
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if (strchr(chan_user_modes, 'q'))
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strlcat(str, "~", len);
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if (strchr(chan_user_modes, 'a'))
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strlcat(str, "&", len);
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if (strchr(chan_user_modes, 'o'))
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strlcat(str, "@", len);
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if (strchr(chan_user_modes, 'h'))
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strlcat(str, "%", len);
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if (strchr(chan_user_modes, 'v'))
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strlcat(str, "+", len);
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return str;
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}
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if (strchr(chan_user_modes, 'q'))
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strlcat(str, "~", len);
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else if (strchr(chan_user_modes, 'a'))
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strlcat(str, "&", len);
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else if (strchr(chan_user_modes, 'o'))
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strlcat(str, "@", len);
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else if (strchr(chan_user_modes, 'h'))
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strlcat(str, "%", len);
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else if (strchr(chan_user_modes, 'v'))
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strlcat(str, "+", len);
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return str;
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}
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/**
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* Send WHO reply for a "channel target" ("WHO #channel").
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*
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* @param Client Client requesting the information.
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* @param Chan Channel being requested.
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* @param OnlyOps Only display IRC operators.
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* @return CONNECTED or DISCONNECTED.
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*/
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static bool
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IRC_WHO_Channel(CLIENT *Client, CHANNEL *Chan, bool OnlyOps)
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{
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bool is_visible, is_member, is_ircop;
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CL2CHAN *cl2chan;
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char flags[10];
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CLIENT *c;
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int count = 0;
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assert( Client != NULL );
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assert( Chan != NULL );
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is_member = Channel_IsMemberOf(Chan, Client);
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/* Secret channel? */
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if (!is_member && Channel_HasMode(Chan, 's'))
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return IRC_WriteStrClient(Client, RPL_ENDOFWHO_MSG,
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Client_ID(Client), Channel_Name(Chan));
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cl2chan = Channel_FirstMember(Chan);
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for (; cl2chan ; cl2chan = Channel_NextMember(Chan, cl2chan)) {
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c = Channel_GetClient(cl2chan);
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is_ircop = Client_HasMode(c, 'o');
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if (OnlyOps && !is_ircop)
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continue;
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is_visible = !Client_HasMode(c, 'i');
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if (is_member || is_visible) {
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memset(flags, 0, sizeof(flags));
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if (Client_HasMode(c, 'a'))
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flags[0] = 'G'; /* away */
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else
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flags[0] = 'H';
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if (is_ircop)
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flags[1] = '*';
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who_flags_qualifier(Client, Channel_UserModes(Chan, c),
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flags, sizeof(flags));
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if (!write_whoreply(Client, c, Channel_Name(Chan),
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flags))
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return DISCONNECTED;
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count++;
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}
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}
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/* If there are a lot of clients, increase the penalty a bit */
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if (count > MAX_RPL_WHO)
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IRC_SetPenalty(Client, 1);
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return IRC_WriteStrClient(Client, RPL_ENDOFWHO_MSG, Client_ID(Client),
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Channel_Name(Chan));
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}
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/**
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* Send WHO reply for a "mask target" ("WHO m*sk").
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*
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* @param Client Client requesting the information.
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* @param Mask Mask being requested or NULL for "all" clients.
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* @param OnlyOps Only display IRC operators.
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* @return CONNECTED or DISCONNECTED.
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*/
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static bool
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IRC_WHO_Mask(CLIENT *Client, char *Mask, bool OnlyOps)
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{
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CLIENT *c;
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CL2CHAN *cl2chan;
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CHANNEL *chan;
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bool client_match, is_visible;
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char flags[3];
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int count = 0;
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assert (Client != NULL);
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if (Mask)
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ngt_LowerStr(Mask);
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IRC_SetPenalty(Client, 3);
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for (c = Client_First(); c != NULL; c = Client_Next(c)) {
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if (Client_Type(c) != CLIENT_USER)
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continue;
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if (OnlyOps && !Client_HasMode(c, 'o'))
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continue;
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if (Mask) {
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/* Match pattern against user host/server/name/nick */
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client_match = MatchCaseInsensitive(Mask,
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Client_Hostname(c));
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if (!client_match)
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client_match = MatchCaseInsensitive(Mask,
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Client_ID(Client_Introducer(c)));
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if (!client_match)
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client_match = MatchCaseInsensitive(Mask,
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Client_Info(c));
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if (!client_match)
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client_match = MatchCaseInsensitive(Mask,
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Client_ID(c));
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if (!client_match)
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continue; /* no match: skip this client */
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}
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is_visible = !Client_HasMode(c, 'i');
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/* Target client is invisible, but mask matches exactly? */
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if (!is_visible && Mask && strcasecmp(Client_ID(c), Mask) == 0)
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is_visible = true;
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/* Target still invisible, but are both on the same channel? */
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if (!is_visible) {
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cl2chan = Channel_FirstChannelOf(Client);
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while (cl2chan && !is_visible) {
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chan = Channel_GetChannel(cl2chan);
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if (Channel_IsMemberOf(chan, c))
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is_visible = true;
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cl2chan = Channel_NextChannelOf(Client, cl2chan);
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}
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}
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if (!is_visible) /* target user is not visible */
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continue;
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if (IRC_CheckListTooBig(Client, count, MAX_RPL_WHO, "WHO"))
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break;
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memset(flags, 0, sizeof(flags));
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if (Client_HasMode(c, 'a'))
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flags[0] = 'G'; /* away */
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else
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flags[0] = 'H';
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if (Client_HasMode(c, 'o'))
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flags[1] = '*';
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if (!write_whoreply(Client, c, "*", flags))
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return DISCONNECTED;
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count++;
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}
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return IRC_WriteStrClient(Client, RPL_ENDOFWHO_MSG, Client_ID(Client),
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Mask ? Mask : "*");
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}
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/**
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* Generate WHOIS reply of one actual client.
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*
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* @param Client The client from which this command has been received.
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* @param from The client requesting the information ("originator").
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* @param c The client of which information should be returned.
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* @return CONNECTED or DISCONNECTED.
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*/
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static bool
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IRC_WHOIS_SendReply(CLIENT *Client, CLIENT *from, CLIENT *c)
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{
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char str[COMMAND_LEN];
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CL2CHAN *cl2chan;
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CHANNEL *chan;
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assert(Client != NULL);
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assert(from != NULL);
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assert(c != NULL);
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/* Nick, user, hostname and client info */
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if (!IRC_WriteStrClient(from, RPL_WHOISUSER_MSG, Client_ID(from),
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Client_ID(c), Client_User(c),
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Client_HostnameDisplayed(c), Client_Info(c)))
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return DISCONNECTED;
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/* Server */
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if (!IRC_WriteStrClient(from, RPL_WHOISSERVER_MSG, Client_ID(from),
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Client_ID(c), Client_ID(Client_Introducer(c)),
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Client_Info(Client_Introducer(c))))
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return DISCONNECTED;
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/* Channels, show only if client has no +I or if from is oper */
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if(!(Client_HasMode(c, 'I')) || Client_HasMode(from, 'o')) {
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snprintf(str, sizeof(str), RPL_WHOISCHANNELS_MSG,
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Client_ID(from), Client_ID(c));
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cl2chan = Channel_FirstChannelOf(c);
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while (cl2chan) {
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chan = Channel_GetChannel(cl2chan);
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assert(chan != NULL);
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/* next */
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cl2chan = Channel_NextChannelOf(c, cl2chan);
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/* Secret channel? */
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if (Channel_HasMode(chan, 's')
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&& !Channel_IsMemberOf(chan, Client))
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continue;
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/* Local channel and request is not from a user? */
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if (Client_Type(Client) == CLIENT_SERVER
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&& Channel_IsLocal(chan))
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continue;
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/* Concatenate channel names */
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if (str[strlen(str) - 1] != ':')
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strlcat(str, " ", sizeof(str));
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who_flags_qualifier(Client, Channel_UserModes(chan, c),
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str, sizeof(str));
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strlcat(str, Channel_Name(chan), sizeof(str));
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if (strlen(str) > (COMMAND_LEN - CHANNEL_NAME_LEN - 4)) {
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/* Line becomes too long: send it! */
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if (!IRC_WriteStrClient(Client, "%s", str))
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return DISCONNECTED;
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snprintf(str, sizeof(str), RPL_WHOISCHANNELS_MSG,
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Client_ID(from), Client_ID(c));
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}
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}
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if(str[strlen(str) - 1] != ':') {
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/* There is data left to send: */
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if (!IRC_WriteStrClient(Client, "%s", str))
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return DISCONNECTED;
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}
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}
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/* IRC-Services? */
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if (Client_Type(c) == CLIENT_SERVICE &&
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!IRC_WriteStrClient(from, RPL_WHOISSERVICE_MSG,
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Client_ID(from), Client_ID(c)))
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return DISCONNECTED;
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/* IRC-Operator? */
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if (Client_Type(c) != CLIENT_SERVICE &&
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Client_HasMode(c, 'o') &&
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!IRC_WriteStrClient(from, RPL_WHOISOPERATOR_MSG,
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Client_ID(from), Client_ID(c)))
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return DISCONNECTED;
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/* IRC-Bot? */
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if (Client_HasMode(c, 'B') &&
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!IRC_WriteStrClient(from, RPL_WHOISBOT_MSG,
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Client_ID(from), Client_ID(c)))
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return DISCONNECTED;
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/* Connected using SSL? */
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if (Conn_UsesSSL(Client_Conn(c))) {
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if (!IRC_WriteStrClient(from, RPL_WHOISSSL_MSG, Client_ID(from),
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Client_ID(c)))
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return DISCONNECTED;
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/* Certificate fingerprint? */
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if (Conn_GetCertFp(Client_Conn(c)) &&
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from == c &&
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!IRC_WriteStrClient(from, RPL_WHOISCERTFP_MSG,
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Client_ID(from), Client_ID(c),
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Conn_GetCertFp(Client_Conn(c))))
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return DISCONNECTED;
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}
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/* Registered nickname? */
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if (Client_HasMode(c, 'R') &&
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!IRC_WriteStrClient(from, RPL_WHOISREGNICK_MSG,
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Client_ID(from), Client_ID(c)))
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return DISCONNECTED;
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/* Account name metadata? */
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if (Client_AccountName(c) &&
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!IRC_WriteStrClient(from, RPL_WHOISLOGGEDIN_MSG,
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Client_ID(from), Client_ID(c),
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Client_AccountName(c)))
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return DISCONNECTED;
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/* Local client and requester is the user itself or an IRC Op? */
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if (Client_Conn(c) > NONE &&
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(from == c || Client_HasMode(from, 'o'))) {
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/* Client hostname */
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if (!IRC_WriteStrClient(from, RPL_WHOISHOST_MSG,
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Client_ID(from), Client_ID(c),
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Client_Hostname(c), Client_IPAText(c)))
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return DISCONNECTED;
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/* Client modes */
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if (!IRC_WriteStrClient(from, RPL_WHOISMODES_MSG,
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Client_ID(from), Client_ID(c), Client_Modes(c)))
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return DISCONNECTED;
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}
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/* Idle and signon time (local clients only!) */
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if (!Conf_MorePrivacy && Client_Conn(c) > NONE &&
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!IRC_WriteStrClient(from, RPL_WHOISIDLE_MSG,
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Client_ID(from), Client_ID(c),
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(unsigned long)Conn_GetIdle(Client_Conn(c)),
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(unsigned long)Conn_GetSignon(Client_Conn(c))))
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return DISCONNECTED;
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/* Away? */
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if (Client_HasMode(c, 'a') &&
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!IRC_WriteStrClient(from, RPL_AWAY_MSG,
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Client_ID(from), Client_ID(c), Client_Away(c)))
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return DISCONNECTED;
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return CONNECTED;
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}
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static bool
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WHOWAS_EntryWrite(CLIENT *prefix, WHOWAS *entry)
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{
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char t_str[60];
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(void)strftime(t_str, sizeof(t_str), "%a %b %d %H:%M:%S %Y",
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localtime(&entry->time));
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if (!IRC_WriteStrClient(prefix, RPL_WHOWASUSER_MSG, Client_ID(prefix),
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entry->id, entry->user, entry->host, entry->info))
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return DISCONNECTED;
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return IRC_WriteStrClient(prefix, RPL_WHOISSERVER_MSG, Client_ID(prefix),
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entry->id, entry->server, t_str);
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}
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|
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#ifdef SSL_SUPPORT
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static bool
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Show_MOTD_SSLInfo(CLIENT *Client)
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{
|
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char buf[COMMAND_LEN];
|
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char c_str[128];
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if (Conn_GetCipherInfo(Client_Conn(Client), c_str, sizeof(c_str))) {
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snprintf(buf, sizeof(buf), "Connected using Cipher %s", c_str);
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if (!IRC_WriteStrClient(Client, RPL_MOTD_MSG,
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Client_ID(Client), buf))
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return false;
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}
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if (Conn_GetCertFp(Client_Conn(Client))) {
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snprintf(buf, sizeof(buf),
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"Your client certificate fingerprint is: %s",
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Conn_GetCertFp(Client_Conn(Client)));
|
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if (!IRC_WriteStrClient(Client, RPL_MOTD_MSG,
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Client_ID(Client), buf))
|
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return false;
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}
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return true;
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}
|
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#else
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static bool
|
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Show_MOTD_SSLInfo(UNUSED CLIENT *c)
|
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{
|
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return true;
|
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}
|
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#endif
|
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|
|
/* Global functions */
|
|
|
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/**
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|
* Handler for the IRC command "ADMIN".
|
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*
|
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* @param Client The client from which this command has been received.
|
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* @param Req Request structure with prefix and all parameters.
|
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* @return CONNECTED or DISCONNECTED.
|
|
*/
|
|
GLOBAL bool
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IRC_ADMIN(CLIENT *Client, REQUEST *Req )
|
|
{
|
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CLIENT *target, *prefix;
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|
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assert( Client != NULL );
|
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assert( Req != NULL );
|
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|
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_IRC_GET_SENDER_OR_RETURN_(prefix, Req, Client)
|
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_IRC_GET_TARGET_SERVER_OR_RETURN_(target, Req, 0, prefix)
|
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|
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/* Forward? */
|
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if(target != Client_ThisServer()) {
|
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IRC_WriteStrClientPrefix(target, prefix,
|
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"ADMIN %s", Client_ID(target));
|
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return CONNECTED;
|
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}
|
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|
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if (!IRC_WriteStrClient(Client, RPL_ADMINME_MSG, Client_ID(prefix),
|
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Conf_ServerName))
|
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return DISCONNECTED;
|
|
if (!IRC_WriteStrClient(Client, RPL_ADMINLOC1_MSG, Client_ID(prefix),
|
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Conf_ServerAdmin1))
|
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return DISCONNECTED;
|
|
if (!IRC_WriteStrClient(Client, RPL_ADMINLOC2_MSG, Client_ID(prefix),
|
|
Conf_ServerAdmin2))
|
|
return DISCONNECTED;
|
|
if (!IRC_WriteStrClient(Client, RPL_ADMINEMAIL_MSG, Client_ID(prefix),
|
|
Conf_ServerAdminMail))
|
|
return DISCONNECTED;
|
|
|
|
return CONNECTED;
|
|
} /* IRC_ADMIN */
|
|
|
|
/**
|
|
* Handler for the IRC command "INFO".
|
|
*
|
|
* @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_INFO(CLIENT * Client, REQUEST * Req)
|
|
{
|
|
CLIENT *target, *prefix;
|
|
char msg[510];
|
|
|
|
assert(Client != NULL);
|
|
assert(Req != NULL);
|
|
|
|
_IRC_GET_SENDER_OR_RETURN_(prefix, Req, Client)
|
|
_IRC_GET_TARGET_SERVER_OR_RETURN_(target, Req, 0, prefix)
|
|
|
|
/* Forward? */
|
|
if (target != Client_ThisServer()) {
|
|
IRC_WriteStrClientPrefix(target, prefix, "INFO %s",
|
|
Client_ID(target));
|
|
return CONNECTED;
|
|
}
|
|
|
|
if (!IRC_WriteStrClient(Client, RPL_INFO_MSG, Client_ID(prefix),
|
|
NGIRCd_Version))
|
|
return DISCONNECTED;
|
|
|
|
#if defined(BIRTHDATE)
|
|
char t_str[60];
|
|
time_t t = BIRTHDATE;
|
|
(void)strftime(t_str, sizeof(t_str), "%a %b %d %Y at %H:%M:%S (%Z)",
|
|
localtime(&t));
|
|
snprintf(msg, sizeof(msg), "Birth Date: %s", t_str);
|
|
if (!IRC_WriteStrClient(Client, RPL_INFO_MSG, Client_ID(prefix), msg))
|
|
return DISCONNECTED;
|
|
#elif defined(__DATE__) && defined(__TIME__)
|
|
snprintf(msg, sizeof(msg), "Birth Date: %s at %s", __DATE__, __TIME__);
|
|
if (!IRC_WriteStrClient(Client, RPL_INFO_MSG, Client_ID(prefix), msg))
|
|
return DISCONNECTED;
|
|
#endif
|
|
|
|
strlcpy(msg, "On-line since ", 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;
|
|
|
|
return CONNECTED;
|
|
} /* IRC_INFO */
|
|
|
|
/**
|
|
* Handler for the IRC "ISON" 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_ISON( CLIENT *Client, REQUEST *Req )
|
|
{
|
|
char rpl[COMMAND_LEN];
|
|
CLIENT *c;
|
|
char *ptr;
|
|
int i;
|
|
|
|
assert(Client != NULL);
|
|
assert(Req != NULL);
|
|
|
|
strlcpy(rpl, RPL_ISON_MSG, sizeof rpl);
|
|
for (i = 0; i < Req->argc; i++) {
|
|
/* "All" ircd even parse ":<x> <y> ..." arguments and split
|
|
* them up; so we do the same ... */
|
|
ptr = strtok(Req->argv[i], " ");
|
|
while (ptr) {
|
|
ngt_TrimStr(ptr);
|
|
c = Client_Search(ptr);
|
|
if (c && Client_Type(c) == CLIENT_USER) {
|
|
strlcat(rpl, Client_ID(c), sizeof(rpl));
|
|
strlcat(rpl, " ", sizeof(rpl));
|
|
}
|
|
ptr = strtok(NULL, " ");
|
|
}
|
|
}
|
|
ngt_TrimLastChr(rpl, ' ');
|
|
|
|
return IRC_WriteStrClient(Client, rpl, Client_ID(Client));
|
|
} /* IRC_ISON */
|
|
|
|
/**
|
|
* Handler for the IRC "LINKS" 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_LINKS(CLIENT *Client, REQUEST *Req)
|
|
{
|
|
CLIENT *target, *from, *c;
|
|
char *mask;
|
|
|
|
assert(Client != NULL);
|
|
assert(Req != NULL);
|
|
|
|
_IRC_GET_SENDER_OR_RETURN_(from, Req, Client)
|
|
|
|
/* Get pointer to server mask or "*", if none given */
|
|
if (Req->argc > 0)
|
|
mask = Req->argv[Req->argc - 1];
|
|
else
|
|
mask = "*";
|
|
|
|
/* Forward? */
|
|
if (Req->argc == 2) {
|
|
_IRC_GET_TARGET_SERVER_OR_RETURN_(target, Req, 0, from)
|
|
if (target != Client_ThisServer()) {
|
|
IRC_WriteStrClientPrefix(target, from,
|
|
"LINKS %s %s", Client_ID(target),
|
|
Req->argv[1]);
|
|
return CONNECTED;
|
|
}
|
|
}
|
|
|
|
c = Client_First();
|
|
while (c) {
|
|
if (Client_Type(c) == CLIENT_SERVER
|
|
&& MatchCaseInsensitive(mask, Client_ID(c))) {
|
|
if (!IRC_WriteStrClient(from, RPL_LINKS_MSG,
|
|
Client_ID(from), Client_ID(c),
|
|
Client_ID(Client_TopServer(c)
|
|
? Client_TopServer(c)
|
|
: Client_ThisServer()),
|
|
Client_Hops(c), Client_Info(c)))
|
|
return DISCONNECTED;
|
|
}
|
|
c = Client_Next(c);
|
|
}
|
|
return IRC_WriteStrClient(from, RPL_ENDOFLINKS_MSG,
|
|
Client_ID(from), mask);
|
|
} /* IRC_LINKS */
|
|
|
|
/**
|
|
* Handler for the IRC "LUSERS" 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_LUSERS( CLIENT *Client, REQUEST *Req )
|
|
{
|
|
CLIENT *target, *from;
|
|
|
|
assert( Client != NULL );
|
|
assert( Req != NULL );
|
|
|
|
_IRC_GET_SENDER_OR_RETURN_(from, Req, Client)
|
|
_IRC_GET_TARGET_SERVER_OR_RETURN_(target, Req, 1, from)
|
|
|
|
/* Forward? */
|
|
if (target != Client_ThisServer()) {
|
|
IRC_WriteStrClientPrefix(target, from,
|
|
"LUSERS %s %s", Req->argv[0],
|
|
Client_ID(target));
|
|
return CONNECTED;
|
|
}
|
|
|
|
return IRC_Send_LUSERS(from);
|
|
} /* IRC_LUSERS */
|
|
|
|
/**
|
|
* Handler for the IRC command "SERVLIST".
|
|
*
|
|
* @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_SERVLIST(CLIENT *Client, REQUEST *Req)
|
|
{
|
|
CLIENT *c;
|
|
|
|
assert(Client != NULL);
|
|
assert(Req != NULL);
|
|
|
|
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 */
|
|
|
|
/**
|
|
* Handler for the IRC command "MOTD".
|
|
*
|
|
* @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_MOTD( CLIENT *Client, REQUEST *Req )
|
|
{
|
|
CLIENT *from, *target;
|
|
|
|
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? */
|
|
if (target != Client_ThisServer()) {
|
|
IRC_WriteStrClientPrefix(target, from, "MOTD %s",
|
|
Client_ID(target));
|
|
return CONNECTED;
|
|
}
|
|
|
|
return IRC_Show_MOTD(from);
|
|
} /* IRC_MOTD */
|
|
|
|
/**
|
|
* Handler for the IRC command "NAMES".
|
|
*
|
|
* @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_NAMES( CLIENT *Client, REQUEST *Req )
|
|
{
|
|
char rpl[COMMAND_LEN], *ptr;
|
|
CLIENT *target, *from, *c;
|
|
CHANNEL *chan;
|
|
|
|
assert( Client != NULL );
|
|
assert( Req != NULL );
|
|
|
|
_IRC_GET_SENDER_OR_RETURN_(from, Req, Client)
|
|
_IRC_GET_TARGET_SERVER_OR_RETURN_(target, Req, 1, from)
|
|
|
|
/* Forward? */
|
|
if (target != Client_ThisServer()) {
|
|
IRC_WriteStrClientPrefix(target, from, "NAMES %s :%s",
|
|
Req->argv[0], Client_ID(target));
|
|
return CONNECTED;
|
|
}
|
|
|
|
if (Req->argc > 0) {
|
|
/* Return NAMES list for specific channels */
|
|
ptr = strtok(Req->argv[0], ",");
|
|
while(ptr) {
|
|
chan = Channel_Search(ptr);
|
|
if (chan && !IRC_Send_NAMES(from, chan))
|
|
return DISCONNECTED;
|
|
if (!IRC_WriteStrClient(from, RPL_ENDOFNAMES_MSG,
|
|
Client_ID(from), ptr))
|
|
return DISCONNECTED;
|
|
ptr = strtok( NULL, "," );
|
|
}
|
|
return CONNECTED;
|
|
}
|
|
|
|
chan = Channel_First();
|
|
while (chan) {
|
|
if (!IRC_Send_NAMES(from, chan))
|
|
return DISCONNECTED;
|
|
chan = Channel_Next(chan);
|
|
}
|
|
|
|
/* Now print all clients which are not in any channel */
|
|
c = Client_First();
|
|
snprintf(rpl, sizeof(rpl), RPL_NAMREPLY_MSG, Client_ID(from), "*", "*");
|
|
while (c) {
|
|
if (Client_Type(c) == CLIENT_USER
|
|
&& Channel_FirstChannelOf(c) == NULL
|
|
&& !Client_HasMode(c, 'i'))
|
|
{
|
|
/* its a user, concatenate ... */
|
|
if (rpl[strlen(rpl) - 1] != ':')
|
|
strlcat(rpl, " ", sizeof(rpl));
|
|
strlcat(rpl, Client_ID(c), sizeof(rpl));
|
|
|
|
if (strlen(rpl) > COMMAND_LEN - CLIENT_NICK_LEN - 4) {
|
|
/* Line is gwoing too long, send now */
|
|
if (!IRC_WriteStrClient(from, "%s", rpl))
|
|
return DISCONNECTED;
|
|
snprintf(rpl, sizeof(rpl), RPL_NAMREPLY_MSG,
|
|
Client_ID(from), "*", "*");
|
|
}
|
|
}
|
|
c = Client_Next(c);
|
|
}
|
|
if (rpl[strlen(rpl) - 1] != ':' && !IRC_WriteStrClient(from, "%s", rpl))
|
|
return DISCONNECTED;
|
|
|
|
return IRC_WriteStrClient(from, RPL_ENDOFNAMES_MSG, Client_ID(from), "*");
|
|
} /* IRC_NAMES */
|
|
|
|
/**
|
|
* Handler for the IRC command "STATS".
|
|
*
|
|
* @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_STATS( CLIENT *Client, REQUEST *Req )
|
|
{
|
|
CLIENT *from, *target, *cl;
|
|
CONN_ID con;
|
|
char query;
|
|
COMMAND *cmd;
|
|
time_t time_now;
|
|
unsigned int days, hrs, mins;
|
|
struct list_head *list;
|
|
struct list_elem *list_item;
|
|
bool more_links = false;
|
|
|
|
assert(Client != NULL);
|
|
assert(Req != NULL);
|
|
|
|
_IRC_GET_SENDER_OR_RETURN_(from, Req, Client)
|
|
_IRC_GET_TARGET_SERVER_OR_RETURN_(target, Req, 1, from)
|
|
|
|
/* Forward? */
|
|
if (target != Client_ThisServer()) {
|
|
IRC_WriteStrClientPrefix(target, from, "STATS %s %s",
|
|
Req->argv[0], Client_ID(target));
|
|
return CONNECTED;
|
|
}
|
|
|
|
if (Req->argc > 0)
|
|
query = Req->argv[0][0] ? Req->argv[0][0] : '*';
|
|
else
|
|
query = '*';
|
|
|
|
switch (query) {
|
|
case 'g': /* Network-wide bans ("G-Lines") */
|
|
case 'G':
|
|
case 'k': /* Server-local bans ("K-Lines") */
|
|
case 'K':
|
|
if (!Client_HasMode(from, 'o'))
|
|
return IRC_WriteErrClient(from, ERR_NOPRIVILEGES_MSG,
|
|
Client_ID(from));
|
|
if (query == 'g' || query == 'G')
|
|
list = Class_GetList(CLASS_GLINE);
|
|
else
|
|
list = Class_GetList(CLASS_KLINE);
|
|
list_item = Lists_GetFirst(list);
|
|
while (list_item) {
|
|
if (!IRC_WriteStrClient(from, RPL_STATSXLINE_MSG,
|
|
Client_ID(from), query,
|
|
Lists_GetMask(list_item),
|
|
Lists_GetValidity(list_item),
|
|
Lists_GetReason(list_item)))
|
|
return DISCONNECTED;
|
|
list_item = Lists_GetNext(list_item);
|
|
}
|
|
break;
|
|
case 'L': /* Link status (servers and user links) */
|
|
if (!Op_Check(from, Req))
|
|
return Op_NoPrivileges(from, Req);
|
|
more_links = true;
|
|
|
|
case 'l': /* Link status (servers and own link) */
|
|
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 ||
|
|
(more_links && Client_Type(cl) == CLIENT_USER)) {
|
|
#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_now - Conn_StartTime(con))))
|
|
return DISCONNECTED;
|
|
continue;
|
|
}
|
|
#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_now - Conn_StartTime(con))))
|
|
return DISCONNECTED;
|
|
}
|
|
}
|
|
break;
|
|
case 'm': /* IRC command status (usage count) */
|
|
case 'M':
|
|
cmd = Parse_GetCommandStruct();
|
|
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;
|
|
}
|
|
|
|
return IRC_WriteStrClient(from, RPL_ENDOFSTATS_MSG,
|
|
Client_ID(from), query);
|
|
} /* IRC_STATS */
|
|
|
|
/**
|
|
* Handler for the IRC command "SUMMON".
|
|
*
|
|
* @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_SUMMON(CLIENT * Client, UNUSED REQUEST * Req)
|
|
{
|
|
assert(Client != NULL);
|
|
|
|
return IRC_WriteErrClient(Client, ERR_SUMMONDISABLED_MSG,
|
|
Client_ID(Client));
|
|
} /* IRC_SUMMON */
|
|
|
|
/**
|
|
* Handler for the IRC command "TIME".
|
|
*
|
|
* @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_TIME( CLIENT *Client, REQUEST *Req )
|
|
{
|
|
CLIENT *from, *target;
|
|
char t_str[64];
|
|
time_t t;
|
|
|
|
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? */
|
|
if (target != Client_ThisServer()) {
|
|
IRC_WriteStrClientPrefix(target, from, "TIME %s",
|
|
Client_ID(target));
|
|
return CONNECTED;
|
|
}
|
|
|
|
t = time( NULL );
|
|
(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 */
|
|
|
|
/**
|
|
* Handler for the IRC command "USERHOST".
|
|
*
|
|
* @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_USERHOST(CLIENT *Client, REQUEST *Req)
|
|
{
|
|
char rpl[COMMAND_LEN];
|
|
CLIENT *c;
|
|
int max, i;
|
|
|
|
assert(Client != NULL);
|
|
assert(Req != NULL);
|
|
|
|
if (Req->argc > 5)
|
|
max = 5;
|
|
else
|
|
max = Req->argc;
|
|
|
|
strlcpy(rpl, RPL_USERHOST_MSG, sizeof rpl);
|
|
for (i = 0; i < max; i++) {
|
|
c = Client_Search(Req->argv[i]);
|
|
if (c && (Client_Type(c) == CLIENT_USER)) {
|
|
/* This Nick is "online" */
|
|
strlcat(rpl, Client_ID(c), sizeof(rpl));
|
|
if (Client_HasMode(c, 'o'))
|
|
strlcat(rpl, "*", sizeof(rpl));
|
|
strlcat(rpl, "=", sizeof(rpl));
|
|
if (Client_HasMode(c, 'a'))
|
|
strlcat(rpl, "-", sizeof(rpl));
|
|
else
|
|
strlcat(rpl, "+", sizeof(rpl));
|
|
strlcat(rpl, Client_User(c), sizeof(rpl));
|
|
strlcat(rpl, "@", sizeof(rpl));
|
|
strlcat(rpl, Client_HostnameDisplayed(c), sizeof(rpl));
|
|
strlcat(rpl, " ", sizeof(rpl));
|
|
}
|
|
}
|
|
ngt_TrimLastChr(rpl, ' ');
|
|
|
|
return IRC_WriteStrClient(Client, rpl, Client_ID(Client));
|
|
} /* IRC_USERHOST */
|
|
|
|
/**
|
|
* Handler for the IRC command "USERS".
|
|
*
|
|
* @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_USERS(CLIENT * Client, UNUSED REQUEST * Req)
|
|
{
|
|
assert(Client != NULL);
|
|
|
|
return IRC_WriteErrClient(Client, ERR_USERSDISABLED_MSG,
|
|
Client_ID(Client));
|
|
} /* IRC_USERS */
|
|
|
|
/**
|
|
* Handler for the IRC command "VERSION".
|
|
*
|
|
* @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_VERSION( CLIENT *Client, REQUEST *Req )
|
|
{
|
|
CLIENT *target, *prefix;
|
|
|
|
assert( Client != NULL );
|
|
assert( Req != NULL );
|
|
|
|
_IRC_GET_SENDER_OR_RETURN_(prefix, Req, Client)
|
|
_IRC_GET_TARGET_SERVER_OR_RETURN_(target, Req, 0, prefix)
|
|
|
|
/* Forward? */
|
|
if (target != Client_ThisServer()) {
|
|
IRC_WriteStrClientPrefix(target, prefix, "VERSION %s",
|
|
Client_ID(target));
|
|
return CONNECTED;
|
|
}
|
|
|
|
/* send version information */
|
|
if (!IRC_WriteStrClient(Client, RPL_VERSION_MSG, Client_ID(prefix),
|
|
PACKAGE_NAME, PACKAGE_VERSION,
|
|
NGIRCd_DebugLevel, Conf_ServerName,
|
|
NGIRCd_VersionAddition))
|
|
return DISCONNECTED;
|
|
|
|
#ifndef STRICT_RFC
|
|
/* send RPL_ISUPPORT(005) numerics */
|
|
if (!IRC_Send_ISUPPORT(prefix))
|
|
return DISCONNECTED;
|
|
#endif
|
|
|
|
return CONNECTED;
|
|
} /* IRC_VERSION */
|
|
|
|
/**
|
|
* Handler for the IRC "WHO" 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_WHO(CLIENT *Client, REQUEST *Req)
|
|
{
|
|
bool only_ops;
|
|
CHANNEL *chan;
|
|
|
|
assert (Client != NULL);
|
|
assert (Req != NULL);
|
|
|
|
only_ops = false;
|
|
if (Req->argc == 2) {
|
|
if (strcmp(Req->argv[1], "o") == 0)
|
|
only_ops = true;
|
|
#ifdef STRICT_RFC
|
|
else {
|
|
return IRC_WriteErrClient(Client,
|
|
ERR_NEEDMOREPARAMS_MSG,
|
|
Client_ID(Client),
|
|
Req->command);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
if (Req->argc >= 1) {
|
|
/* Channel or mask given */
|
|
chan = Channel_Search(Req->argv[0]);
|
|
if (chan) {
|
|
/* Members of a channel have been requested */
|
|
return IRC_WHO_Channel(Client, chan, only_ops);
|
|
}
|
|
if (strcmp(Req->argv[0], "0") != 0) {
|
|
/* A mask has been given. But please note this RFC
|
|
* stupidity: "0" is same as no arguments ... */
|
|
return IRC_WHO_Mask(Client, Req->argv[0], only_ops);
|
|
}
|
|
}
|
|
|
|
/* No channel or (valid) mask given */
|
|
return IRC_WHO_Mask(Client, NULL, only_ops);
|
|
} /* IRC_WHO */
|
|
|
|
/**
|
|
* Handler for the IRC "WHOIS" 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_WHOIS( CLIENT *Client, REQUEST *Req )
|
|
{
|
|
CLIENT *from, *target, *c;
|
|
unsigned int match_count = 0, found = 0;
|
|
bool has_wildcards, is_remote;
|
|
bool got_wildcard = false;
|
|
char mask[COMMAND_LEN], *query;
|
|
|
|
assert( Client != NULL );
|
|
assert( Req != NULL );
|
|
|
|
/* Wrong number of parameters? */
|
|
if (Req->argc < 1)
|
|
return IRC_WriteErrClient(Client, ERR_NONICKNAMEGIVEN_MSG,
|
|
Client_ID(Client));
|
|
|
|
_IRC_ARGC_LE_OR_RETURN_(Client, Req, 2)
|
|
_IRC_GET_SENDER_OR_RETURN_(from, Req, Client)
|
|
|
|
/* Get target server for this command */
|
|
if (Req->argc > 1) {
|
|
_IRC_GET_TARGET_SERVER_OR_RETURN_(target, Req, 0, Client)
|
|
} else
|
|
target = Client_ThisServer();
|
|
|
|
assert(target != NULL);
|
|
|
|
/* Forward? */
|
|
if (target != Client_ThisServer()) {
|
|
IRC_WriteStrClientPrefix(target, from, "WHOIS %s :%s",
|
|
Req->argv[0], Req->argv[1]);
|
|
return CONNECTED;
|
|
}
|
|
|
|
is_remote = Client_Conn(from) < 0;
|
|
strlcpy(mask, Req->argv[Req->argc - 1], sizeof(mask));
|
|
for (query = strtok(ngt_LowerStr(mask), ",");
|
|
query && found < 3;
|
|
query = strtok(NULL, ","), found++)
|
|
{
|
|
has_wildcards = query[strcspn(query, "*?")] != 0;
|
|
/*
|
|
* follows ircd 2.10 implementation:
|
|
* - handle up to 3 targets
|
|
* - no wildcards for remote clients
|
|
* - only one wildcard target per local client
|
|
*
|
|
* Also, at most MAX_RPL_WHOIS matches are returned.
|
|
*/
|
|
if (!has_wildcards || is_remote) {
|
|
c = Client_Search(query);
|
|
if (c && (Client_Type(c) == CLIENT_USER
|
|
|| Client_Type(c) == CLIENT_SERVICE)) {
|
|
if (!IRC_WHOIS_SendReply(Client, from, c))
|
|
return DISCONNECTED;
|
|
} else {
|
|
if (!IRC_WriteErrClient(Client,
|
|
ERR_NOSUCHNICK_MSG,
|
|
Client_ID(Client),
|
|
query))
|
|
return DISCONNECTED;
|
|
}
|
|
continue;
|
|
}
|
|
if (got_wildcard) {
|
|
/* we already handled one wildcard query */
|
|
if (!IRC_WriteErrClient(Client, ERR_NOSUCHNICK_MSG,
|
|
Client_ID(Client), query))
|
|
return DISCONNECTED;
|
|
continue;
|
|
}
|
|
got_wildcard = true;
|
|
/* Increase penalty for wildcard queries */
|
|
IRC_SetPenalty(Client, 3);
|
|
|
|
for (c = Client_First(); c; c = Client_Next(c)) {
|
|
if (IRC_CheckListTooBig(Client, match_count,
|
|
MAX_RPL_WHOIS, "WHOIS"))
|
|
break;
|
|
|
|
if (Client_Type(c) != CLIENT_USER)
|
|
continue;
|
|
if (!MatchCaseInsensitive(query, Client_ID(c)))
|
|
continue;
|
|
if (!IRC_WHOIS_SendReply(Client, from, c))
|
|
return DISCONNECTED;
|
|
|
|
match_count++;
|
|
}
|
|
|
|
if (match_count == 0)
|
|
IRC_WriteErrClient(Client, ERR_NOSUCHNICK_MSG,
|
|
Client_ID(Client),
|
|
Req->argv[Req->argc - 1]);
|
|
}
|
|
return IRC_WriteStrClient(from, RPL_ENDOFWHOIS_MSG,
|
|
Client_ID(from), Req->argv[Req->argc - 1]);
|
|
} /* IRC_WHOIS */
|
|
|
|
/**
|
|
* Handler for the IRC "WHOWAS" 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_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 );
|
|
|
|
/* Wrong number of parameters? */
|
|
if (Req->argc < 1)
|
|
return IRC_WriteErrClient(Client, ERR_NONICKNAMEGIVEN_MSG,
|
|
Client_ID(Client));
|
|
|
|
_IRC_ARGC_LE_OR_RETURN_(Client, Req, 3)
|
|
_IRC_GET_SENDER_OR_RETURN_(prefix, Req, Client)
|
|
_IRC_GET_TARGET_SERVER_OR_RETURN_(target, Req, 2, prefix)
|
|
|
|
/* Do not reveal any info on disconnected users? */
|
|
if (Conf_MorePrivacy)
|
|
return CONNECTED;
|
|
|
|
/* Forward? */
|
|
if (target != Client_ThisServer()) {
|
|
IRC_WriteStrClientPrefix(target, prefix, "WHOWAS %s %s %s",
|
|
Req->argv[0], Req->argv[1],
|
|
Client_ID(target));
|
|
return CONNECTED;
|
|
}
|
|
|
|
whowas = Client_GetWhowas( );
|
|
last = Client_GetLastWhowasIndex( );
|
|
if (last < 0)
|
|
last = 0;
|
|
|
|
max = DEF_RPL_WHOWAS;
|
|
if (Req->argc > 1) {
|
|
max = atoi(Req->argv[1]);
|
|
if (max < 1)
|
|
max = MAX_RPL_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_WriteErrClient(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 */
|
|
|
|
/**
|
|
* Send LUSERS reply to a client.
|
|
*
|
|
* @param Client The receipient of the information.
|
|
* @return CONNECTED or DISCONNECTED.
|
|
*/
|
|
GLOBAL bool
|
|
IRC_Send_LUSERS(CLIENT *Client)
|
|
{
|
|
unsigned long cnt;
|
|
#ifndef STRICT_RFC
|
|
unsigned long max;
|
|
#endif
|
|
|
|
assert(Client != NULL);
|
|
|
|
/* Users, services and servers in the network */
|
|
if (!IRC_WriteStrClient(Client, RPL_LUSERCLIENT_MSG, Client_ID(Client),
|
|
Client_UserCount(), Client_ServiceCount(),
|
|
Client_ServerCount()))
|
|
return DISCONNECTED;
|
|
|
|
/* Number of IRC operators */
|
|
cnt = Client_OperCount( );
|
|
if (cnt > 0) {
|
|
if (!IRC_WriteStrClient(Client, RPL_LUSEROP_MSG,
|
|
Client_ID(Client), cnt))
|
|
return DISCONNECTED;
|
|
}
|
|
|
|
/* Unknown connections */
|
|
cnt = Client_UnknownCount( );
|
|
if (cnt > 0) {
|
|
if (!IRC_WriteStrClient(Client, RPL_LUSERUNKNOWN_MSG,
|
|
Client_ID(Client), cnt))
|
|
return DISCONNECTED;
|
|
}
|
|
|
|
/* Number of created channels */
|
|
if (!IRC_WriteStrClient(Client, RPL_LUSERCHANNELS_MSG,
|
|
Client_ID(Client),
|
|
Channel_CountVisible(Client)))
|
|
return DISCONNECTED;
|
|
|
|
/* Number of local users, services and servers */
|
|
if (!IRC_WriteStrClient(Client, RPL_LUSERME_MSG, Client_ID(Client),
|
|
Client_MyUserCount(), Client_MyServiceCount(),
|
|
Client_MyServerCount()))
|
|
return DISCONNECTED;
|
|
|
|
#ifndef STRICT_RFC
|
|
/* Maximum number of local users */
|
|
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 */
|
|
cnt = Client_UserCount();
|
|
max = Client_MaxUserCount();
|
|
if(! IRC_WriteStrClient(Client, RPL_NETUSERS_MSG, Client_ID(Client),
|
|
cnt, max, cnt, max))
|
|
return DISCONNECTED;
|
|
/* Connection counters */
|
|
if (! IRC_WriteStrClient(Client, RPL_STATSCONN_MSG, Client_ID(Client),
|
|
Conn_CountMax(), Conn_CountAccepted()))
|
|
return DISCONNECTED;
|
|
#endif
|
|
|
|
return CONNECTED;
|
|
} /* IRC_Send_LUSERS */
|
|
|
|
GLOBAL bool
|
|
IRC_Show_MOTD( CLIENT *Client )
|
|
{
|
|
const char *line;
|
|
size_t len_tot, len_str;
|
|
|
|
assert( Client != NULL );
|
|
|
|
len_tot = array_bytes(&Conf_Motd);
|
|
if (len_tot == 0 && !Conn_UsesSSL(Client_Conn(Client)))
|
|
return IRC_WriteErrClient(Client, ERR_NOMOTD_MSG, Client_ID(Client));
|
|
|
|
if (!IRC_WriteStrClient(Client, RPL_MOTDSTART_MSG, Client_ID(Client),
|
|
Client_ID(Client_ThisServer())))
|
|
return DISCONNECTED;
|
|
|
|
line = array_start(&Conf_Motd);
|
|
while (len_tot > 0) {
|
|
len_str = strlen(line) + 1;
|
|
|
|
assert(len_tot >= len_str);
|
|
len_tot -= len_str;
|
|
|
|
if (!IRC_WriteStrClient(Client, RPL_MOTD_MSG, Client_ID(Client), line))
|
|
return DISCONNECTED;
|
|
line += len_str;
|
|
}
|
|
|
|
if (!Show_MOTD_SSLInfo(Client))
|
|
return DISCONNECTED;
|
|
|
|
if (!IRC_WriteStrClient(Client, RPL_ENDOFMOTD_MSG, Client_ID(Client)))
|
|
return DISCONNECTED;
|
|
|
|
if (*Conf_CloakHost)
|
|
return IRC_WriteStrClient(Client, RPL_HOSTHIDDEN_MSG,
|
|
Client_ID(Client),
|
|
Client_Hostname(Client));
|
|
|
|
return CONNECTED;
|
|
} /* IRC_Show_MOTD */
|
|
|
|
/**
|
|
* Send NAMES reply for a specific client and channel.
|
|
*
|
|
* @param Client The client requesting the NAMES information.
|
|
* @param Chan The channel
|
|
* @return CONNECTED or DISCONNECTED.
|
|
*/
|
|
GLOBAL bool
|
|
IRC_Send_NAMES(CLIENT * Client, CHANNEL * Chan)
|
|
{
|
|
bool is_visible, is_member;
|
|
char str[COMMAND_LEN];
|
|
CL2CHAN *cl2chan;
|
|
CLIENT *cl;
|
|
|
|
assert(Client != NULL);
|
|
assert(Chan != NULL);
|
|
|
|
if (Channel_IsMemberOf(Chan, Client))
|
|
is_member = true;
|
|
else
|
|
is_member = false;
|
|
|
|
/* Do not print info on channel memberships to anyone that is not member? */
|
|
if (Conf_MorePrivacy && !is_member)
|
|
return CONNECTED;
|
|
|
|
/* Secret channel? */
|
|
if (!is_member && Channel_HasMode(Chan, 's'))
|
|
return CONNECTED;
|
|
|
|
snprintf(str, sizeof(str), RPL_NAMREPLY_MSG, Client_ID(Client), "=",
|
|
Channel_Name(Chan));
|
|
cl2chan = Channel_FirstMember(Chan);
|
|
while (cl2chan) {
|
|
cl = Channel_GetClient(cl2chan);
|
|
|
|
if (Client_HasMode(cl, 'i'))
|
|
is_visible = false;
|
|
else
|
|
is_visible = true;
|
|
|
|
if (is_member || is_visible) {
|
|
if (str[strlen(str) - 1] != ':')
|
|
strlcat(str, " ", sizeof(str));
|
|
|
|
who_flags_qualifier(Client, Channel_UserModes(Chan, cl),
|
|
str, sizeof(str));
|
|
strlcat(str, Client_ID(cl), sizeof(str));
|
|
|
|
if (strlen(str) > (COMMAND_LEN - CLIENT_NICK_LEN - 4)) {
|
|
if (!IRC_WriteStrClient(Client, "%s", str))
|
|
return DISCONNECTED;
|
|
snprintf(str, sizeof(str), RPL_NAMREPLY_MSG,
|
|
Client_ID(Client), "=",
|
|
Channel_Name(Chan));
|
|
}
|
|
}
|
|
|
|
cl2chan = Channel_NextMember(Chan, cl2chan);
|
|
}
|
|
if (str[strlen(str) - 1] != ':') {
|
|
if (!IRC_WriteStrClient(Client, "%s", str))
|
|
return DISCONNECTED;
|
|
}
|
|
|
|
return CONNECTED;
|
|
} /* IRC_Send_NAMES */
|
|
|
|
/**
|
|
* 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(CLIENT * Client)
|
|
{
|
|
if (Conf_Network[0] && !IRC_WriteStrClient(Client, RPL_ISUPPORTNET_MSG,
|
|
Client_ID(Client),
|
|
Conf_Network))
|
|
return DISCONNECTED;
|
|
if (!IRC_WriteStrClient(Client, RPL_ISUPPORT1_MSG, Client_ID(Client),
|
|
CHANTYPES, CHANTYPES, 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, MAX_HNDL_MODES_ARG,
|
|
MAX_HNDL_CHANNEL_LISTS);
|
|
} /* IRC_Send_ISUPPORT */
|
|
|
|
/* -eof- */
|