/*
* 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 */
+
+/**
+ * Handler for the IRC command "ADMIN".
+ *
+ * @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_ADMIN(CLIENT *Client, REQUEST *Req )
{
return CONNECTED;
} /* IRC_ADMIN */
-
/**
* Handler for the IRC command "INFO".
- * See RFC 2812 section 3.4.10.
+ *
+ * @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)
return CONNECTED;
} /* IRC_INFO */
-
/**
* Handler for the IRC "ISON" command.
*
- * See RFC 2812, 4.9 "Ison message".
- *
* @param Client The client from which this command has been received.
* @param Req Request structure with prefix and all parameters.
* @return CONNECTED or DISCONNECTED.
return IRC_WriteStrClient(Client, rpl, Client_ID(Client));
} /* IRC_ISON */
-
/**
* Handler for the IRC "LINKS" command.
*
- * See RFC 2812, 3.4.5 "Links message".
- *
* @param Client The client from which this command has been received.
* @param Req Request structure with prefix and all parameters.
* @return CONNECTED or DISCONNECTED.
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 )
{
return CONNECTED;
} /* IRC_LUSERS */
-
/**
* Handler for the IRC command "SERVLIST".
- * List registered services, see RFC 2811, section 3.5.1: the syntax is
- * "SERVLIST [<mask> [<type>]]".
+ *
+ * @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)
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 )
{
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 )
{
{
/* 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] != ':')
- {
- if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED;
- }
-
- IRC_SetPenalty( from, 1 );
- return IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), "*" );
-} /* 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);
-}
-
+ snprintf( rpl, sizeof( rpl ), RPL_NAMREPLY_MSG, Client_ID( from ), "*", "*" );
+ }
+ }
-static unsigned int
-uptime_mins(time_t *now)
-{
- return t_diff(now, 60);
-}
+ c = Client_Next( c );
+ }
+ if( rpl[strlen( rpl ) - 1] != ':')
+ {
+ if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED;
+ }
+ IRC_SetPenalty( from, 1 );
+ return IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), "*" );
+} /* IRC_NAMES */
/**
* Handler for the IRC command "STATS".
- * See RFC 2812 section 3.4.4.
+ *
+ * @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_ID(from), query);
} /* IRC_STATS */
-
/**
* Handler for the IRC command "SUMMON".
- * See RFC 2812 section 4.5. ngIRCd doesn't implement this functionality and
- * therefore answers with ERR_SUMMONDISABLED.
+ *
+ * @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)
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 )
{
return IRC_WriteStrClient( from, RPL_TIME_MSG, Client_ID( from ), Client_ID( Client_ThisServer( )), t_str );
} /* IRC_TIME */
-
/**
* Handler for the IRC command "USERHOST".
- * See RFC 2812 section 4.8.
+ *
+ * @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)
strlcat(rpl, "+", sizeof(rpl));
strlcat(rpl, Client_User(c), sizeof(rpl));
strlcat(rpl, "@", sizeof(rpl));
- strlcat(rpl, Client_HostnameCloaked(c), sizeof(rpl));
+ strlcat(rpl, Client_HostnameDisplayed(c), sizeof(rpl));
strlcat(rpl, " ", sizeof(rpl));
}
}
return IRC_WriteStrClient(Client, rpl, Client_ID(Client));
} /* IRC_USERHOST */
-
/**
* Handler for the IRC command "USERS".
- * See RFC 2812 section 4.6. As suggested there the command is disabled.
- */
-GLOBAL bool
-IRC_USERS(CLIENT * Client, 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_HostnameCloaked(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) {
- strcpy(flags, who_flags_status(client_modes));
- 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.
+ * @param Client The client from which this command has been received.
+ * @param Req Request structure with prefix and all parameters.
* @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 */
- }
+GLOBAL bool
+IRC_USERS(CLIENT * Client, UNUSED REQUEST * Req)
+{
+ return IRC_WriteStrClient(Client, ERR_USERSDISABLED_MSG,
+ Client_ID(Client));
+} /* IRC_USERS */
- is_visible = !Client_HasMode(c, 'i');
+/**
+ * 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;
- /* 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 );
- strcpy(flags, who_flags_status(Client_Modes(c)));
- 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 */
/**
* Handler for the IRC "WHO" command.
*
- * See RFC 2812, 3.6.1 "Who query".
- *
* @param Client The client from which this command has been received.
* @param Req Request structure with prefix and all parameters.
* @return CONNECTED or DISCONNECTED.
return IRC_WHO_Mask(Client, NULL, only_ops);
} /* IRC_WHO */
-
/**
- * Generate WHOIS reply of one actual client.
+ * Handler for the IRC "WHOIS" command.
*
* @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.
+ * @param Req Request structure with prefix and all parameters.
* @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_HostnameCloaked(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 nick name? */
- if (Client_HasMode(c, 'R') &&
- !IRC_WriteStrClient(from, RPL_WHOISREGNICK_MSG,
- Client_ID(from), Client_ID(c)))
- return DISCONNECTED;
-
- if (Client_Conn(c) > NONE &&
- (from == c || (!Conf_MorePrivacy && Client_HasMode(from, 'o'))) &&
- !IRC_WriteStrClient(from, RPL_WHOISMODES_MSG, Client_ID(from),
- Client_ID(c), Client_Modes(c)))
- return DISCONNECTED;
-
- if (Client_Conn(c) > NONE && (Client_OperByMe(from) || from == c) &&
- !IRC_WriteStrClient(from, RPL_WHOISHOST_MSG, Client_ID(from),
- Client_ID(c), Client_Hostname(c),
- Conn_GetIPAInfo(Client_Conn(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.
- *
- * See RFC 2812, 3.6.2 "Whois query".
- *
- * @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 )
{
/* Get target server for this command */
if (Req->argc > 1) {
/* Search the target server, which can be specified as a
- * nick name on that server as well: */
+ * nickname on that server as well: */
target = Client_Search(Req->argv[0]);
if (!target)
return IRC_WriteStrClient(from, ERR_NOSUCHSERVER_MSG,
Client_ID(from), Req->argv[Req->argc - 1]);
} /* 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
- * requests and request that should be forwarded to other servers.
+ * 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 )
return IRC_WriteStrClient(prefix, RPL_ENDOFWHOWAS_MSG, Client_ID(prefix), Req->argv[0]);
} /* IRC_WHOWAS */
-
/**
* Send LUSERS reply to a client.
*
return CONNECTED;
} /* 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 )
{
return Show_MOTD_End(Client);
} /* IRC_Show_MOTD */
-
/**
* Send NAMES reply for a specific client and channel.
*
return CONNECTED;
} /* IRC_Send_NAMES */
-
/**
* Send the ISUPPORT numeric (005).
* This numeric indicates the features that are supported by this server.
MAX_HNDL_CHANNEL_LISTS);
} /* IRC_Send_ISUPPORT */
-
/* -eof- */
projects / ngircd-alex.git / blobdiff