]> arthur.barton.de Git - ngircd-alex.git/commitdiff
irc-info: move static functions at the top of the file
authorAlexander Barton <alex@barton.de>
Sat, 9 Feb 2013 22:18:49 +0000 (23:18 +0100)
committerAlexander Barton <alex@barton.de>
Sat, 9 Feb 2013 22:18:49 +0000 (23:18 +0100)
src/ngircd/irc-info.c

index aaa607ddf32d5248c9b1cdd0c41ea5944da4a796..de4cba279ecb85e960bc3592af340ccd023b9ec3 100644 (file)
@@ -1,6 +1,6 @@
 /*
  * ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001-2012 Alexander Barton (alex@barton.de) and Contributors.
+ * Copyright (c)2001-2013 Alexander Barton (alex@barton.de) and Contributors.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
 #include "exp.h"
 #include "irc-info.h"
 
+/* Local functions */
+
+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 (unsigned int)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);
+}
+
+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_HostnameDisplayed(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";
+}
+
+/**
+ * Return channel user mode prefix(es).
+ *
+ * @param Client The client requesting the mode prefixes.
+ * @param chan_user_modes String with channel user modes.
+ * @param str String buffer to which the prefix(es) will be appended.
+ * @param len Size of "str" buffer.
+ * @return Pointer to "str".
+ */
+static char *
+who_flags_qualifier(CLIENT *Client, const char *chan_user_modes,
+                   char *str, size_t len)
+{
+       assert(Client != NULL);
+
+       if (Client_Cap(Client) & CLIENT_CAP_MULTI_PREFIX) {
+               if (strchr(chan_user_modes, 'q'))
+                       strlcat(str, "~", len);
+               if (strchr(chan_user_modes, 'a'))
+                       strlcat(str, "&", len);
+               if (strchr(chan_user_modes, 'o'))
+                       strlcat(str, "@", len);
+               if (strchr(chan_user_modes, 'h'))
+                       strlcat(str, "%", len);
+               if (strchr(chan_user_modes, 'v'))
+                       strlcat(str, "+", len);
+
+               return str;
+       }
+
+       if (strchr(chan_user_modes, 'q'))
+               strlcat(str, "~", len);
+       else if (strchr(chan_user_modes, 'a'))
+               strlcat(str, "&", len);
+       else if (strchr(chan_user_modes, 'o'))
+               strlcat(str, "@", len);
+       else if (strchr(chan_user_modes, 'h'))
+               strlcat(str, "%", len);
+       else if (strchr(chan_user_modes, 'v'))
+               strlcat(str, "+", len);
+
+       return str;
+}
+
+/**
+ * Send WHO reply for a "channel target" ("WHO #channel").
+ *
+ * @param Client Client requesting the information.
+ * @param Chan Channel being requested.
+ * @param OnlyOps Only display IRC operators.
+ * @return CONNECTED or DISCONNECTED.
+ */
+static bool
+IRC_WHO_Channel(CLIENT *Client, CHANNEL *Chan, bool OnlyOps)
+{
+       bool is_visible, is_member, is_ircop;
+       CL2CHAN *cl2chan;
+       const char *client_modes;
+       char flags[10];
+       CLIENT *c;
+       int count = 0;
+
+       assert( Client != NULL );
+       assert( Chan != NULL );
+
+       IRC_SetPenalty(Client, 1);
+
+       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) {
+                       strlcpy(flags, who_flags_status(client_modes),
+                               sizeof(flags));
+                       if (is_ircop)
+                               strlcat(flags, "*", sizeof(flags));
+
+                       who_flags_qualifier(Client, Channel_UserModes(Chan, c),
+                                           flags, sizeof(flags));
+
+                       if (!write_whoreply(Client, c, Channel_Name(Chan),
+                                           flags))
+                               return DISCONNECTED;
+                       count++;
+               }
+       }
+
+       /* If there are a lot of clients, augment penalty a bit */
+       if (count > MAX_RPL_WHO)
+               IRC_SetPenalty(Client, 1);
+
+       return IRC_WriteStrClient(Client, RPL_ENDOFWHO_MSG, Client_ID(Client),
+                                 Channel_Name(Chan));
+}
+
+/**
+ * Send WHO reply for a "mask target" ("WHO m*sk").
+ *
+ * @param Client Client requesting the information.
+ * @param Mask Mask being requested or NULL for "all" clients.
+ * @param OnlyOps Only display IRC operators.
+ * @return CONNECTED or DISCONNECTED.
+ */
+static bool
+IRC_WHO_Mask(CLIENT *Client, char *Mask, bool OnlyOps)
+{
+       CLIENT *c;
+       CL2CHAN *cl2chan;
+       CHANNEL *chan;
+       bool client_match, is_visible;
+       char flags[4];
+       int count = 0;
+
+       assert (Client != NULL);
+
+       if (Mask)
+               ngt_LowerStr(Mask);
+
+       IRC_SetPenalty(Client, 3);
+       for (c = Client_First(); c != NULL; c = Client_Next(c)) {
+               if (Client_Type(c) != CLIENT_USER)
+                       continue;
+
+               if (OnlyOps && !Client_HasMode(c, 'o'))
+                       continue;
+
+               if (Mask) {
+                       /* Match pattern against user host/server/name/nick */
+                       client_match = MatchCaseInsensitive(Mask,
+                                                           Client_Hostname(c));
+                       if (!client_match)
+                               client_match = MatchCaseInsensitive(Mask,
+                                                                   Client_ID(Client_Introducer(c)));
+                       if (!client_match)
+                               client_match = MatchCaseInsensitive(Mask,
+                                                                   Client_Info(c));
+                       if (!client_match)
+                               client_match = MatchCaseInsensitive(Mask,
+                                                                   Client_ID(c));
+                       if (!client_match)
+                               continue;       /* no match: skip this client */
+               }
+
+               is_visible = !Client_HasMode(c, 'i');
+
+               /* Target client is invisible, but mask matches exactly? */
+               if (!is_visible && Mask && strcasecmp(Client_ID(c), Mask) == 0)
+                       is_visible = true;
+
+               /* Target still invisible, but are both on the same channel? */
+               if (!is_visible) {
+                       cl2chan = Channel_FirstChannelOf(Client);
+                       while (cl2chan && !is_visible) {
+                               chan = Channel_GetChannel(cl2chan);
+                               if (Channel_IsMemberOf(chan, c))
+                                       is_visible = true;
+                               cl2chan = Channel_NextChannelOf(Client, cl2chan);
+                       }
+               }
+
+               if (!is_visible)        /* target user is not visible */
+                       continue;
+
+               if (IRC_CheckListTooBig(Client, count, MAX_RPL_WHO, "WHO"))
+                       break;
+
+               strlcpy(flags, who_flags_status(Client_Modes(c)), sizeof(flags));
+               if (strchr(Client_Modes(c), 'o'))
+                       strlcat(flags, "*", sizeof(flags));
+
+               if (!write_whoreply(Client, c, "*", flags))
+                       return DISCONNECTED;
+               count++;
+       }
+
+       return IRC_WriteStrClient(Client, RPL_ENDOFWHO_MSG, Client_ID(Client),
+                                 Mask ? Mask : "*");
+}
+
+/**
+ * Generate WHOIS reply of one actual client.
+ *
+ * @param Client The client from which this command has been received.
+ * @param from The client requesting the information ("originator").
+ * @param c The client of which information should be returned.
+ * @return CONNECTED or DISCONNECTED.
+ */
+static bool
+IRC_WHOIS_SendReply(CLIENT *Client, CLIENT *from, CLIENT *c)
+{
+       char str[LINE_LEN + 1];
+       CL2CHAN *cl2chan;
+       CHANNEL *chan;
+
+       assert(Client != NULL);
+       assert(from != NULL);
+       assert(c != NULL);
+
+       /* Nick, user, hostname and client info */
+       if (!IRC_WriteStrClient(from, RPL_WHOISUSER_MSG, Client_ID(from),
+                               Client_ID(c), Client_User(c),
+                               Client_HostnameDisplayed(c), Client_Info(c)))
+               return DISCONNECTED;
+
+       /* Server */
+       if (!IRC_WriteStrClient(from, RPL_WHOISSERVER_MSG, Client_ID(from),
+                               Client_ID(c), Client_ID(Client_Introducer(c)),
+                               Client_Info(Client_Introducer(c))))
+               return DISCONNECTED;
+
+       /* Channels */
+       snprintf(str, sizeof(str), RPL_WHOISCHANNELS_MSG,
+                Client_ID(from), Client_ID(c));
+       cl2chan = Channel_FirstChannelOf(c);
+       while (cl2chan) {
+               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));
+
+               who_flags_qualifier(Client, Channel_UserModes(chan, c),
+                                   str, sizeof(str));
+               strlcat(str, Channel_Name(chan), sizeof(str));
+
+               if (strlen(str) > (LINE_LEN - CHANNEL_NAME_LEN - 4)) {
+                       /* Line becomes too long: send it! */
+                       if (!IRC_WriteStrClient(Client, "%s", str))
+                               return DISCONNECTED;
+                       snprintf(str, sizeof(str), RPL_WHOISCHANNELS_MSG,
+                                Client_ID(from), Client_ID(c));
+               }
+       }
+       if(str[strlen(str) - 1] != ':') {
+               /* There is data left to send: */
+               if (!IRC_WriteStrClient(Client, "%s", str))
+                       return DISCONNECTED;
+       }
+
+       /* IRC-Operator? */
+       if (Client_HasMode(c, 'o') &&
+           !IRC_WriteStrClient(from, RPL_WHOISOPERATOR_MSG,
+                               Client_ID(from), Client_ID(c)))
+               return DISCONNECTED;
+
+       /* IRC-Bot? */
+       if (Client_HasMode(c, 'B') &&
+           !IRC_WriteStrClient(from, RPL_WHOISBOT_MSG,
+                               Client_ID(from), Client_ID(c)))
+               return DISCONNECTED;
+
+       /* Connected using SSL? */
+       if (Conn_UsesSSL(Client_Conn(c)) &&
+           !IRC_WriteStrClient(from, RPL_WHOISSSL_MSG, Client_ID(from),
+                               Client_ID(c)))
+               return DISCONNECTED;
+
+       /* Registered nickname? */
+       if (Client_HasMode(c, 'R') &&
+           !IRC_WriteStrClient(from, RPL_WHOISREGNICK_MSG,
+                               Client_ID(from), Client_ID(c)))
+               return DISCONNECTED;
+
+       /* Local client and requester is the user itself or an IRC Op? */
+       if (Client_Conn(c) > NONE &&
+           (from == c || (!Conf_MorePrivacy && Client_HasMode(from, 'o')))) {
+               /* Client hostname */
+               if (!IRC_WriteStrClient(from, RPL_WHOISHOST_MSG,
+                                       Client_ID(from), Client_ID(c), Client_Hostname(c),
+                                       Conn_GetIPAInfo(Client_Conn(c))))
+                       return DISCONNECTED;
+               /* Client modes */
+               if (!IRC_WriteStrClient(from, RPL_WHOISMODES_MSG,
+                                       Client_ID(from), Client_ID(c), Client_Modes(c)))
+                       return DISCONNECTED;
+       }
+
+       /* Idle and signon time (local clients only!) */
+       if (!Conf_MorePrivacy && Client_Conn(c) > NONE &&
+           !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? */
+       if (Client_HasMode(c, 'a') &&
+           !IRC_WriteStrClient(from, RPL_AWAY_MSG,
+                               Client_ID(from), Client_ID(c), Client_Away(c)))
+               return DISCONNECTED;
+
+       return CONNECTED;
+}
+
+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);
+}
+
+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)
+{
+       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;
+}
+
+#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 functions */
 
 GLOBAL bool
 IRC_ADMIN(CLIENT *Client, REQUEST *Req )
@@ -467,40 +902,6 @@ IRC_NAMES( CLIENT *Client, REQUEST *Req )
 } /* IRC_NAMES */
 
 
-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 (unsigned int)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);
-}
-
-
 /**
  * Handler for the IRC command "STATS".
  * See RFC 2812 section 3.4.4.
@@ -743,263 +1144,48 @@ IRC_USERHOST(CLIENT *Client, REQUEST *Req)
  */
 GLOBAL bool
 IRC_USERS(CLIENT * Client, UNUSED REQUEST * Req)
-{
-       return IRC_WriteStrClient(Client, ERR_USERSDISABLED_MSG,
-                                 Client_ID(Client));
-} /* IRC_USERS */
-
-
-GLOBAL bool
-IRC_VERSION( CLIENT *Client, REQUEST *Req )
-{
-       CLIENT *target, *prefix;
-
-       assert( Client != NULL );
-       assert( Req != NULL );
-
-       if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
-
-       /* Ziel suchen */
-       if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
-       else target = Client_ThisServer( );
-
-       /* Prefix ermitteln */
-       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 );
-
-       /* An anderen Server weiterleiten? */
-       if( target != Client_ThisServer( ))
-       {
-               if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( prefix, ERR_NOSUCHSERVER_MSG, Client_ID( prefix ), Req->argv[0] );
-
-               /* forwarden */
-               IRC_WriteStrClientPrefix( target, prefix, "VERSION %s", Req->argv[0] );
-               return CONNECTED;
-       }
-
-       /* 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 */
-
-
-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_HostnameDisplayed(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";
-}
-
-
-/**
- * Return channel user mode prefix(es).
- *
- * @param Client The client requesting the mode prefixes.
- * @param chan_user_modes String with channel user modes.
- * @param str String buffer to which the prefix(es) will be appended.
- * @param len Size of "str" buffer.
- * @return Pointer to "str".
- */
-static char *
-who_flags_qualifier(CLIENT *Client, const char *chan_user_modes,
-                   char *str, size_t len)
-{
-       assert(Client != NULL);
-
-       if (Client_Cap(Client) & CLIENT_CAP_MULTI_PREFIX) {
-               if (strchr(chan_user_modes, 'q'))
-                       strlcat(str, "~", len);
-               if (strchr(chan_user_modes, 'a'))
-                       strlcat(str, "&", len);
-               if (strchr(chan_user_modes, 'o'))
-                       strlcat(str, "@", len);
-               if (strchr(chan_user_modes, 'h'))
-                       strlcat(str, "%", len);
-               if (strchr(chan_user_modes, 'v'))
-                       strlcat(str, "+", len);
-
-               return str;
-       }
-
-       if (strchr(chan_user_modes, 'q'))
-               strlcat(str, "~", len);
-       else if (strchr(chan_user_modes, 'a'))
-               strlcat(str, "&", len);
-       else if (strchr(chan_user_modes, 'o'))
-               strlcat(str, "@", len);
-       else if (strchr(chan_user_modes, 'h'))
-               strlcat(str, "%", len);
-       else if (strchr(chan_user_modes, 'v'))
-               strlcat(str, "+", len);
-
-       return str;
-}
-
-
-/**
- * Send WHO reply for a "channel target" ("WHO #channel").
- *
- * @param Client Client requesting the information.
- * @param Chan Channel being requested.
- * @param OnlyOps Only display IRC operators.
- * @return CONNECTED or DISCONNECTED.
- */
-static bool
-IRC_WHO_Channel(CLIENT *Client, CHANNEL *Chan, bool OnlyOps)
-{
-       bool is_visible, is_member, is_ircop;
-       CL2CHAN *cl2chan;
-       const char *client_modes;
-       char flags[10];
-       CLIENT *c;
-       int count = 0;
-
-       assert( Client != NULL );
-       assert( Chan != NULL );
-
-       IRC_SetPenalty(Client, 1);
-
-       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) {
-                       strlcpy(flags, who_flags_status(client_modes),
-                               sizeof(flags));
-                       if (is_ircop)
-                               strlcat(flags, "*", sizeof(flags));
-
-                       who_flags_qualifier(Client, Channel_UserModes(Chan, c),
-                                           flags, sizeof(flags));
-
-                       if (!write_whoreply(Client, c, Channel_Name(Chan),
-                                           flags))
-                               return DISCONNECTED;
-                       count++;
-               }
-       }
-
-       /* If there are a lot of clients, augment penalty a bit */
-       if (count > MAX_RPL_WHO)
-               IRC_SetPenalty(Client, 1);
-
-       return IRC_WriteStrClient(Client, RPL_ENDOFWHO_MSG, Client_ID(Client),
-                                 Channel_Name(Chan));
-}
-
-
-/**
- * Send WHO reply for a "mask target" ("WHO m*sk").
- *
- * @param Client Client requesting the information.
- * @param Mask Mask being requested or NULL for "all" clients.
- * @param OnlyOps Only display IRC operators.
- * @return CONNECTED or DISCONNECTED.
- */
-static bool
-IRC_WHO_Mask(CLIENT *Client, char *Mask, bool OnlyOps)
-{
-       CLIENT *c;
-       CL2CHAN *cl2chan;
-       CHANNEL *chan;
-       bool client_match, is_visible;
-       char flags[4];
-       int count = 0;
-
-       assert (Client != NULL);
-
-       if (Mask)
-               ngt_LowerStr(Mask);
-
-       IRC_SetPenalty(Client, 3);
-       for (c = Client_First(); c != NULL; c = Client_Next(c)) {
-               if (Client_Type(c) != CLIENT_USER)
-                       continue;
-
-               if (OnlyOps && !Client_HasMode(c, 'o'))
-                       continue;
+{
+       return IRC_WriteStrClient(Client, ERR_USERSDISABLED_MSG,
+                                 Client_ID(Client));
+} /* IRC_USERS */
 
-               if (Mask) {
-                       /* Match pattern against user host/server/name/nick */
-                       client_match = MatchCaseInsensitive(Mask,
-                                               Client_Hostname(c));
-                       if (!client_match)
-                               client_match = MatchCaseInsensitive(Mask,
-                                               Client_ID(Client_Introducer(c)));
-                       if (!client_match)
-                               client_match = MatchCaseInsensitive(Mask,
-                                               Client_Info(c));
-                       if (!client_match)
-                               client_match = MatchCaseInsensitive(Mask,
-                                               Client_ID(c));
-                       if (!client_match)
-                               continue;       /* no match: skip this client */
-               }
 
-               is_visible = !Client_HasMode(c, 'i');
+GLOBAL bool
+IRC_VERSION( CLIENT *Client, REQUEST *Req )
+{
+       CLIENT *target, *prefix;
 
-               /* Target client is invisible, but mask matches exactly? */
-               if (!is_visible && Mask && strcasecmp(Client_ID(c), Mask) == 0)
-                       is_visible = true;
+       assert( Client != NULL );
+       assert( Req != NULL );
 
-               /* Target still invisible, but are both on the same channel? */
-               if (!is_visible) {
-                       cl2chan = Channel_FirstChannelOf(Client);
-                       while (cl2chan && !is_visible) {
-                               chan = Channel_GetChannel(cl2chan);
-                               if (Channel_IsMemberOf(chan, c))
-                                       is_visible = true;
-                               cl2chan = Channel_NextChannelOf(Client, cl2chan);
-                       }
-               }
+       if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
 
-               if (!is_visible)        /* target user is not visible */
-                       continue;
+       /* Ziel suchen */
+       if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
+       else target = Client_ThisServer( );
 
-               if (IRC_CheckListTooBig(Client, count, MAX_RPL_WHO, "WHO"))
-                       break;
+       /* Prefix ermitteln */
+       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 );
 
-               strlcpy(flags, who_flags_status(Client_Modes(c)), sizeof(flags));
-               if (strchr(Client_Modes(c), 'o'))
-                       strlcat(flags, "*", sizeof(flags));
+       /* An anderen Server weiterleiten? */
+       if( target != Client_ThisServer( ))
+       {
+               if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( prefix, ERR_NOSUCHSERVER_MSG, Client_ID( prefix ), Req->argv[0] );
 
-               if (!write_whoreply(Client, c, "*", flags))
-                       return DISCONNECTED;
-               count++;
+               /* forwarden */
+               IRC_WriteStrClientPrefix( target, prefix, "VERSION %s", Req->argv[0] );
+               return CONNECTED;
        }
 
-       return IRC_WriteStrClient(Client, RPL_ENDOFWHO_MSG, Client_ID(Client),
-                                 Mask ? Mask : "*");
-}
+       /* 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 */
 
 
 /**
@@ -1059,136 +1245,6 @@ IRC_WHO(CLIENT *Client, REQUEST *Req)
 } /* IRC_WHO */
 
 
-/**
- * Generate WHOIS reply of one actual client.
- *
- * @param Client The client from which this command has been received.
- * @param from The client requesting the information ("originator").
- * @param c The client of which information should be returned.
- * @return CONNECTED or DISCONNECTED.
- */
-static bool
-IRC_WHOIS_SendReply(CLIENT *Client, CLIENT *from, CLIENT *c)
-{
-       char str[LINE_LEN + 1];
-       CL2CHAN *cl2chan;
-       CHANNEL *chan;
-
-       assert(Client != NULL);
-       assert(from != NULL);
-       assert(c != NULL);
-
-       /* Nick, user, hostname and client info */
-       if (!IRC_WriteStrClient(from, RPL_WHOISUSER_MSG, Client_ID(from),
-                               Client_ID(c), Client_User(c),
-                               Client_HostnameDisplayed(c), Client_Info(c)))
-               return DISCONNECTED;
-
-       /* Server */
-       if (!IRC_WriteStrClient(from, RPL_WHOISSERVER_MSG, Client_ID(from),
-                               Client_ID(c), Client_ID(Client_Introducer(c)),
-                               Client_Info(Client_Introducer(c))))
-               return DISCONNECTED;
-
-       /* Channels */
-       snprintf(str, sizeof(str), RPL_WHOISCHANNELS_MSG,
-                Client_ID(from), Client_ID(c));
-       cl2chan = Channel_FirstChannelOf(c);
-       while (cl2chan) {
-               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));
-
-               who_flags_qualifier(Client, Channel_UserModes(chan, c),
-                                   str, sizeof(str));
-               strlcat(str, Channel_Name(chan), sizeof(str));
-
-               if (strlen(str) > (LINE_LEN - CHANNEL_NAME_LEN - 4)) {
-                       /* Line becomes too long: send it! */
-                       if (!IRC_WriteStrClient(Client, "%s", str))
-                               return DISCONNECTED;
-                       snprintf(str, sizeof(str), RPL_WHOISCHANNELS_MSG,
-                                Client_ID(from), Client_ID(c));
-               }
-       }
-       if(str[strlen(str) - 1] != ':') {
-               /* There is data left to send: */
-               if (!IRC_WriteStrClient(Client, "%s", str))
-                       return DISCONNECTED;
-       }
-
-       /* IRC-Operator? */
-       if (Client_HasMode(c, 'o') &&
-           !IRC_WriteStrClient(from, RPL_WHOISOPERATOR_MSG,
-                               Client_ID(from), Client_ID(c)))
-               return DISCONNECTED;
-
-       /* IRC-Bot? */
-       if (Client_HasMode(c, 'B') &&
-           !IRC_WriteStrClient(from, RPL_WHOISBOT_MSG,
-                               Client_ID(from), Client_ID(c)))
-               return DISCONNECTED;
-
-       /* Connected using SSL? */
-       if (Conn_UsesSSL(Client_Conn(c)) &&
-           !IRC_WriteStrClient(from, RPL_WHOISSSL_MSG, Client_ID(from),
-                               Client_ID(c)))
-               return DISCONNECTED;
-
-       /* Registered nickname? */
-       if (Client_HasMode(c, 'R') &&
-           !IRC_WriteStrClient(from, RPL_WHOISREGNICK_MSG,
-                               Client_ID(from), Client_ID(c)))
-               return DISCONNECTED;
-
-       /* Local client and requester is the user itself or an IRC Op? */
-       if (Client_Conn(c) > NONE &&
-           (from == c || (!Conf_MorePrivacy && Client_HasMode(from, 'o')))) {
-               /* Client hostname */
-               if (!IRC_WriteStrClient(from, RPL_WHOISHOST_MSG,
-                   Client_ID(from), Client_ID(c), Client_Hostname(c),
-                   Conn_GetIPAInfo(Client_Conn(c))))
-                       return DISCONNECTED;
-               /* Client modes */
-               if (!IRC_WriteStrClient(from, RPL_WHOISMODES_MSG,
-                   Client_ID(from), Client_ID(c), Client_Modes(c)))
-                       return DISCONNECTED;
-       }
-
-       /* Idle and signon time (local clients only!) */
-       if (!Conf_MorePrivacy && Client_Conn(c) > NONE &&
-           !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? */
-       if (Client_HasMode(c, 'a') &&
-           !IRC_WriteStrClient(from, RPL_AWAY_MSG,
-                               Client_ID(from), Client_ID(c), Client_Away(c)))
-               return DISCONNECTED;
-
-       return CONNECTED;
-} /* IRC_WHOIS_SendReply */
-
-
 /**
  * Handler for the IRC "WHOIS" command.
  *
@@ -1309,22 +1365,6 @@ IRC_WHOIS( CLIENT *Client, REQUEST *Req )
 } /* IRC_WHOIS */
 
 
-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
@@ -1503,53 +1543,6 @@ IRC_Send_LUSERS(CLIENT *Client)
 } /* IRC_Send_LUSERS */
 
 
-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)
-{
-       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;
-}
-
-#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 )
 {