commit - d5763937ad8d482f3e62299428f8cb4b601c6ace
commit + 65359ff8f722efdf24700ce05011afc0fef28924
blob - a2cad27cae528f51980965eb0d666564e42c8da0
blob + 02502cc65b2a4918ca8f9f67d9b1834771bc90aa
--- contrib/MacOSX/ngIRCd.xcodeproj/project.pbxproj
+++ contrib/MacOSX/ngIRCd.xcodeproj/project.pbxproj
/* Begin PBXFileReference section */
FA1A6BBC0D6857BB00AA8F71 /* misc-test.e */ = {isa = PBXFileReference; fileEncoding = 5; lastKnownFileType = text; path = "misc-test.e"; sourceTree = "<group>"; };
FA1A6BBD0D6857D900AA8F71 /* who-test.e */ = {isa = PBXFileReference; fileEncoding = 5; lastKnownFileType = text; path = "who-test.e"; sourceTree = "<group>"; };
+ FA1DBB6716C707D200D4F838 /* irc-macros.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = "irc-macros.h"; sourceTree = "<group>"; };
FA2D564811EA158B00D37A35 /* pam.h */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.h; path = pam.h; sourceTree = "<group>"; };
FA2D564911EA158B00D37A35 /* pam.c */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.c.c; path = pam.c; sourceTree = "<group>"; };
FA2D567A11EA1AB300D37A35 /* libpam.dylib */ = {isa = PBXFileReference; lastKnownFileType = "compiled.mach-o.dylib"; name = libpam.dylib; path = usr/lib/libpam.dylib; sourceTree = SDKROOT; };
- FA322BBA0CEF72E4001761B3 /* ngIRCd */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; path = ngIRCd; sourceTree = BUILT_PRODUCTS_DIR; };
+ FA322BBA0CEF72E4001761B3 /* ngIRCd */ = {isa = PBXFileReference; explicitFileType = "compiled.mach-o.executable"; includeInIndex = 0; name = ngIRCd; path = ngircd; sourceTree = BUILT_PRODUCTS_DIR; };
FA322CD60CEF74B1001761B3 /* Makefile.am */ = {isa = PBXFileReference; fileEncoding = 5; lastKnownFileType = text; path = Makefile.am; sourceTree = "<group>"; };
FA322CD90CEF74B1001761B3 /* array.c */ = {isa = PBXFileReference; fileEncoding = 5; lastKnownFileType = sourcecode.c.c; path = array.c; sourceTree = "<group>"; };
FA322CDA0CEF74B1001761B3 /* array.h */ = {isa = PBXFileReference; fileEncoding = 5; lastKnownFileType = sourcecode.c.h; path = array.h; sourceTree = "<group>"; };
FA322CEF0CEF74B1001761B3 /* irc-info.h */,
FA322CF00CEF74B1001761B3 /* irc-login.c */,
FA322CF10CEF74B1001761B3 /* irc-login.h */,
+ FA1DBB6716C707D200D4F838 /* irc-macros.h */,
FA4F1659164836B100DBD011 /* irc-metadata.c */,
FA4F165C164836BF00DBD011 /* irc-metadata.h */,
FA322CF20CEF74B1001761B3 /* irc-mode.c */,
blob - cdbd27c11b2f48728d5c8b7548eca1e468acebef
blob + 21e606d7433a675311c11be3b566c42d34b52c79
--- src/ngircd/Makefile.ng
+++ src/ngircd/Makefile.ng
irc-encoding.h \
irc-info.h \
irc-login.h \
+ irc-macros.h \
irc-metadata.h \
irc-mode.h \
irc-op.h \
blob - d10775a88fad4a39ecb363dc7b6c433b5e497306
blob + 37b168ff8d5dac07cb835b86eb37b366da6fcbe3
--- src/ngircd/client.c
+++ src/ngircd/client.c
#include "hash.h"
#include "irc-write.h"
#include "log.h"
+#include "match.h"
#include "messages.h"
#include <exp.h>
} /* Client_ModeDel */
+/**
+ * Search CLIENT structure of a given nick name.
+ *
+ * @return Pointer to CLIENT structure or NULL if not found.
+ */
GLOBAL CLIENT *
Client_Search( const char *Nick )
{
- /* return Client-Structure that has the corresponding Nick.
- * If none is found, return NULL.
- */
-
char search_id[CLIENT_ID_LEN], *ptr;
CLIENT *c = NULL;
UINT32 search_hash;
c = (CLIENT *)c->next;
}
return NULL;
-} /* Client_Search */
+}
+
+
+/**
+ * Serach first CLIENT structure matching a given mask of a server.
+ *
+ * The order of servers is arbitrary, but this function makes sure that the
+ * local server is always returned if the mask matches it.
+ *
+ * @return Pointer to CLIENT structure or NULL if no server could be found.
+ */
+GLOBAL CLIENT *
+Client_SearchServer(const char *Mask)
+{
+ CLIENT *c;
+ assert(Mask != NULL);
+ /* First check if mask matches the local server */
+ if (MatchCaseInsensitive(Mask, Client_ID(Client_ThisServer())))
+ return Client_ThisServer();
+
+ c = My_Clients;
+ while (c) {
+ if (Client_Type(c) == CLIENT_SERVER) {
+ /* This is a server: check if Mask matches */
+ if (MatchCaseInsensitive(Mask, c->id))
+ return c;
+ }
+ c = (CLIENT *)c->next;
+ }
+ return NULL;
+}
+
+
/**
* Get client structure ("introducer") identfied by a server token.
* @return CLIENT structure or NULL if none could be found.
blob - ebbd06cba05b0239fd5f42d6c4e8ce4fee706a79
blob + c248d1ba39756a72a8d7065f6cf1d46349fccdae
--- src/ngircd/client.h
+++ src/ngircd/client.h
GLOBAL CLIENT *Client_GetFromToken PARAMS(( CLIENT *Client, int Token ));
GLOBAL CLIENT *Client_Search PARAMS(( const char *ID ));
+GLOBAL CLIENT *Client_SearchServer PARAMS(( const char *ID ));
GLOBAL CLIENT *Client_First PARAMS(( void ));
GLOBAL CLIENT *Client_Next PARAMS(( CLIENT *c ));
blob - f9c9b0d2423c97b2ed8e2bf596a5f56fa1efa3ca
blob + 24d65651611411d1d83447dad0782e87617b3d2d
--- src/ngircd/irc-info.c
+++ src/ngircd/irc-info.c
/*
* 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 "tool.h"
#include "parse.h"
#include "irc.h"
+#include "irc-macros.h"
#include "irc-write.h"
#include "client-cap.h"
#include "exp.h"
#include "irc-info.h"
+/* Local functions */
-GLOBAL bool
-IRC_ADMIN(CLIENT *Client, REQUEST *Req )
+static unsigned int
+t_diff(time_t *t, const time_t d)
{
- CLIENT *target, *prefix;
+ 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( Req != NULL );
+ assert( Chan != NULL );
- if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ IRC_SetPenalty(Client, 1);
- /* find target ... */
- if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
- else target = Client_ThisServer( );
+ is_member = Channel_IsMemberOf(Chan, Client);
- /* find Prefix */
- if( Client_Type( Client ) == CLIENT_SERVER ) prefix = Client_Search( Req->prefix );
- else prefix = Client;
- if( ! prefix ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
+ /* Secret channel? */
+ if (!is_member && strchr(Channel_Modes(Chan), 's'))
+ return IRC_WriteStrClient(Client, RPL_ENDOFWHO_MSG,
+ Client_ID(Client), Channel_Name(Chan));
- /* forwad message to another server? */
- if( target != Client_ThisServer( ))
- {
- if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( prefix, ERR_NOSUCHSERVER_MSG, Client_ID( prefix ), Req->argv[0] );
+ cl2chan = Channel_FirstMember(Chan);
+ for (; cl2chan ; cl2chan = Channel_NextMember(Chan, cl2chan)) {
+ c = Channel_GetClient(cl2chan);
- /* forward */
- IRC_WriteStrClientPrefix( target, prefix, "ADMIN %s", Req->argv[0] );
+ 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 )
+{
+ CLIENT *target, *prefix;
+
+ assert( Client != NULL );
+ assert( Req != NULL );
+
+ IRC_SetPenalty(Client, 1);
+
+ _IRC_ARGC_LE_OR_RETURN_(Client, Req, 1)
+ _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,
+ "ADMIN %s", Client_ID(target));
return CONNECTED;
}
- /* mit Versionsinfo antworten */
- if( ! IRC_WriteStrClient( Client, RPL_ADMINME_MSG, Client_ID( prefix ), Conf_ServerName )) return DISCONNECTED;
- if( ! IRC_WriteStrClient( Client, RPL_ADMINLOC1_MSG, Client_ID( prefix ), Conf_ServerAdmin1 )) 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;
+ if (!IRC_WriteStrClient(Client, RPL_ADMINME_MSG, Client_ID(prefix),
+ Conf_ServerName))
+ return DISCONNECTED;
+ if (!IRC_WriteStrClient(Client, RPL_ADMINLOC1_MSG, Client_ID(prefix),
+ Conf_ServerAdmin1))
+ 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;
- IRC_SetPenalty( Client, 1 );
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)
assert(Client != NULL);
assert(Req != NULL);
- /* Wrong number of parameters? */
- if (Req->argc > 1)
- return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
- Client_ID(Client), Req->command);
+ IRC_SetPenalty(Client, 2);
- /* Determine prefix */
- if (Client_Type(Client) == CLIENT_SERVER)
- prefix = Client_Search(Req->prefix);
- else
- prefix = Client;
- if (!prefix)
- return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
- Client_ID(Client), Req->prefix);
+ _IRC_ARGC_LE_OR_RETURN_(Client, Req, 1)
+ _IRC_GET_SENDER_OR_RETURN_(prefix, Req, Client)
+ _IRC_GET_TARGET_SERVER_OR_RETURN_(target, Req, 0, prefix)
- /* Look for a target */
- if (Req->argc > 0)
- target = Client_Search(Req->argv[0]);
- else
- target = Client_ThisServer();
-
- /* Make sure that the target is a server */
- if (target && Client_Type(target) != CLIENT_SERVER)
- target = Client_Introducer(target);
-
- if (!target)
- return IRC_WriteStrClient(prefix, ERR_NOSUCHSERVER_MSG,
- Client_ID(prefix), Req->argv[0]);
-
- /* Pass on to another server? */
+ /* Forward? */
if (target != Client_ThisServer()) {
IRC_WriteStrClientPrefix(target, prefix, "INFO %s",
- Req->argv[0]);
+ Client_ID(target));
return CONNECTED;
}
if (!IRC_WriteStrClient(Client, RPL_ENDOFINFO_MSG, Client_ID(prefix)))
return DISCONNECTED;
- IRC_SetPenalty(Client, 2);
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.
assert(Client != NULL);
assert(Req != NULL);
- /* Bad number of arguments? */
- if (Req->argc < 1)
- return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
- Client_ID(Client), Req->command);
+ _IRC_ARGC_GE_OR_RETURN_(Client, Req, 1)
strlcpy(rpl, RPL_ISON_MSG, sizeof rpl);
for (i = 0; i < Req->argc; i++) {
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.
IRC_SetPenalty(Client, 1);
- if (Req->argc > 2)
- return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
- Client_ID(Client), Req->command);
+ _IRC_ARGC_LE_OR_RETURN_(Client, Req, 2)
+ _IRC_GET_SENDER_OR_RETURN_(from, Req, Client)
/* Get pointer to server mask or "*", if none given */
if (Req->argc > 0)
else
mask = "*";
- if (Client_Type(Client) == CLIENT_SERVER)
- from = Client_Search(Req->prefix);
- else
- from = Client;
- if (!from)
- return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
- Client_ID(Client), Req->prefix);
-
/* Forward? */
if (Req->argc == 2) {
- target = Client_Search(Req->argv[0]);
- if (! target || Client_Type(target) != CLIENT_SERVER)
- return IRC_WriteStrClient(from, ERR_NOSUCHSERVER_MSG,
- Client_ID(from),
- Req->argv[0] );
- else
- if (target != Client_ThisServer())
- return IRC_WriteStrClientPrefix(target, from,
- "LINKS %s %s", Req->argv[0],
- Req->argv[1]);
+ _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();
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 )
{
assert( Client != NULL );
assert( Req != NULL );
- if(( Req->argc > 2 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ IRC_SetPenalty(Client, 1);
- /* Absender ermitteln */
- if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
- else from = Client;
- if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
+ _IRC_ARGC_LE_OR_RETURN_(Client, Req, 2)
+ _IRC_GET_SENDER_OR_RETURN_(from, Req, Client)
+ _IRC_GET_TARGET_SERVER_OR_RETURN_(target, Req, 1, from)
- /* An anderen Server forwarden? */
- if( Req->argc == 2 )
- {
- target = Client_Search( Req->argv[1] );
- if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
- else if( target != Client_ThisServer( )) return IRC_WriteStrClientPrefix( target, from, "LUSERS %s %s", Req->argv[0], Req->argv[1] );
+ /* Forward? */
+ if (target != Client_ThisServer()) {
+ IRC_WriteStrClientPrefix(target, from,
+ "LUSERS %s %s", Req->argv[0],
+ Client_ID(target));
+ return CONNECTED;
}
- /* Wer ist der Absender? */
- if( Client_Type( Client ) == CLIENT_SERVER ) target = Client_Search( Req->prefix );
- else target = Client;
- if( ! target ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
-
- IRC_Send_LUSERS( target );
-
- IRC_SetPenalty( target, 1 );
- return CONNECTED;
+ return IRC_Send_LUSERS(from);
} /* 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)
{
CLIENT *c;
+ IRC_SetPenalty(Client, 1);
+
assert(Client != NULL);
assert(Req != NULL);
- if (Req->argc > 2)
- return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
- Client_ID(Client), Req->command);
+ _IRC_ARGC_LE_OR_RETURN_(Client, Req, 2)
if (Req->argc < 2 || strcmp(Req->argv[1], "0") == 0) {
for (c = Client_First(); c!= NULL; c = Client_Next(c)) {
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 )
{
assert( Client != NULL );
assert( Req != NULL );
- if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ IRC_SetPenalty(Client, 3);
- /* From aus Prefix ermitteln */
- if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
- else from = Client;
- if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
+ _IRC_ARGC_LE_OR_RETURN_(Client, Req, 1)
+ _IRC_GET_SENDER_OR_RETURN_(from, Req, Client)
+ _IRC_GET_TARGET_SERVER_OR_RETURN_(target, Req, 0, from)
- if( Req->argc == 1 )
- {
- /* forward? */
- target = Client_Search( Req->argv[0] );
- if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[0] );
-
- if( target != Client_ThisServer( ))
- {
- /* Ok, anderer Server ist das Ziel: forwarden */
- return IRC_WriteStrClientPrefix( target, from, "MOTD %s", Req->argv[0] );
- }
+ /* Forward? */
+ if (target != Client_ThisServer()) {
+ IRC_WriteStrClientPrefix(target, from, "MOTD %s",
+ Client_ID(target));
+ return CONNECTED;
}
- IRC_SetPenalty( from, 3 );
- return IRC_Show_MOTD( from );
+ 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 )
{
assert( Client != NULL );
assert( Req != NULL );
- if( Req->argc > 2 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ IRC_SetPenalty(Client, 1);
- /* use prefix to determine "From" */
- if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
- else from = Client;
- if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
+ _IRC_ARGC_LE_OR_RETURN_(Client, Req, 2)
+ _IRC_GET_SENDER_OR_RETURN_(from, Req, Client)
+ _IRC_GET_TARGET_SERVER_OR_RETURN_(target, Req, 1, from)
- if( Req->argc == 2 )
- {
- /* forward to another server? */
- target = Client_Search( Req->argv[1] );
- if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( from, ERR_NOSUCHSERVER_MSG, Client_ID( from ), Req->argv[1] );
-
- if( target != Client_ThisServer( )) {
- /* target is another server, forward */
- return IRC_WriteStrClientPrefix( target, from, "NAMES %s :%s", Req->argv[0], Req->argv[1] );
- }
+ /* Forward? */
+ if (target != Client_ThisServer()) {
+ IRC_WriteStrClientPrefix(target, from, "NAMES %s :%s",
+ Req->argv[0], Client_ID(target));
+ return CONNECTED;
}
- if( Req->argc > 0 )
- {
- /* bestimmte Channels durchgehen */
- ptr = strtok( Req->argv[0], "," );
- while( ptr )
- {
- chan = Channel_Search( ptr );
- if( chan )
- {
- /* print name */
- if( ! IRC_Send_NAMES( from, chan )) return DISCONNECTED;
- }
- if( ! IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), ptr )) return DISCONNECTED;
-
- /* get next channel name */
+ 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 );
+ 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 ) && ( ! strchr( Client_Modes( c ), 'i' )))
+ 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
+ && !strchr(Client_Modes(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 ) > ( LINE_LEN - CLIENT_NICK_LEN - 4 ))
- {
+ if (rpl[strlen(rpl) - 1] != ':')
+ strlcat(rpl, " ", sizeof(rpl));
+ strlcat(rpl, Client_ID(c), sizeof(rpl));
+
+ if (strlen(rpl) > LINE_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 ), "*", "*" );
+ if (!IRC_WriteStrClient(from, "%s", rpl))
+ return DISCONNECTED;
+ snprintf(rpl, sizeof(rpl), RPL_NAMREPLY_MSG,
+ Client_ID(from), "*", "*");
}
}
-
- c = Client_Next( c );
+ c = Client_Next(c);
}
- if( rpl[strlen( rpl ) - 1] != ':')
- {
- if( ! IRC_WriteStrClient( from, "%s", rpl )) return DISCONNECTED;
- }
+ if (rpl[strlen(rpl) - 1] != ':' && !IRC_WriteStrClient(from, "%s", rpl))
+ return DISCONNECTED;
- IRC_SetPenalty( from, 1 );
- return IRC_WriteStrClient( from, RPL_ENDOFNAMES_MSG, Client_ID( from ), "*" );
+ 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);
-}
-
-
-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.
+ *
+ * @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 )
assert(Client != NULL);
assert(Req != NULL);
- if (Req->argc > 2)
- return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
- Client_ID(Client), Req->command);
+ IRC_SetPenalty(Client, 2);
- /* use prefix to determine "From" */
- if (Client_Type(Client) == CLIENT_SERVER)
- from = Client_Search(Req->prefix);
- else
- from = Client;
+ _IRC_ARGC_LE_OR_RETURN_(Client, Req, 2)
+ _IRC_GET_SENDER_OR_RETURN_(from, Req, Client)
+ _IRC_GET_TARGET_SERVER_OR_RETURN_(target, Req, 1, from)
- if (!from)
- return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
- Client_ID(Client), Req->prefix);
-
- if (Req->argc == 2) {
- /* forward to another server? */
- target = Client_Search(Req->argv[1]);
- if ((!target) || (Client_Type(target) != CLIENT_SERVER))
- return IRC_WriteStrClient(from, ERR_NOSUCHSERVER_MSG,
- Client_ID(from), Req->argv[1]);
-
- if (target != Client_ThisServer()) {
- /* forward to another server */
- return IRC_WriteStrClientPrefix(target, from,
- "STATS %s %s", Req->argv[0], Req->argv[1]);
- }
+ /* Forward? */
+ if (target != Client_ThisServer()) {
+ IRC_WriteStrClientPrefix(target, from, "STATS %s %s",
+ Req->argv[0], Client_ID(target));
+ return CONNECTED;
}
if (Req->argc > 0)
break;
}
- IRC_SetPenalty(from, 2);
return IRC_WriteStrClient(from, RPL_ENDOFSTATS_MSG,
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)
{
+ assert(Client != NULL);
+
+ IRC_SetPenalty(Client, 1);
+
return IRC_WriteStrClient(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 )
{
char t_str[64];
time_t t;
- assert( Client != NULL );
- assert( Req != NULL );
+ assert(Client != NULL);
+ assert(Req != NULL);
- if( Req->argc > 1 ) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ IRC_SetPenalty(Client, 1);
- if( Client_Type( Client ) == CLIENT_SERVER ) from = Client_Search( Req->prefix );
- else from = Client;
- if( ! from ) return IRC_WriteStrClient( Client, ERR_NOSUCHNICK_MSG, Client_ID( Client ), Req->prefix );
+ _IRC_ARGC_LE_OR_RETURN_(Client, Req, 1)
+ _IRC_GET_SENDER_OR_RETURN_(from, Req, Client)
+ _IRC_GET_TARGET_SERVER_OR_RETURN_(target, Req, 0, from)
- if( Req->argc == 1 )
- {
- target = Client_Search( Req->argv[0] );
- if(( ! target ) || ( Client_Type( target ) != CLIENT_SERVER )) return IRC_WriteStrClient( Client, ERR_NOSUCHSERVER_MSG, Client_ID( Client ), Req->argv[0] );
-
- if( target != Client_ThisServer( ))
- {
- return IRC_WriteStrClientPrefix( target, from, "TIME %s", Req->argv[0] );
- }
+ /* 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 );
+ (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".
- * 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)
assert(Client != NULL);
assert(Req != NULL);
- if ((Req->argc < 1))
- return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
- Client_ID(Client), Req->command);
+ IRC_SetPenalty(Client, 1);
+ _IRC_ARGC_GE_OR_RETURN_(Client, Req, 1)
+
if (Req->argc > 5)
max = 5;
else
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.
+ *
+ * @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);
+
+ IRC_SetPenalty(Client, 1);
+
return IRC_WriteStrClient(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 )
{
assert( Client != NULL );
assert( Req != NULL );
- if(( Req->argc > 1 )) return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
+ IRC_SetPenalty(Client, 1);
- /* Ziel suchen */
- if( Req->argc == 1 ) target = Client_Search( Req->argv[0] );
- else target = Client_ThisServer( );
+ _IRC_ARGC_LE_OR_RETURN_(Client, Req, 1)
+ _IRC_GET_SENDER_OR_RETURN_(prefix, Req, Client)
+ _IRC_GET_TARGET_SERVER_OR_RETURN_(target, Req, 0, prefix)
- /* 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] );
+ /* Forward? */
+ if (target != Client_ThisServer()) {
+ IRC_WriteStrClientPrefix(target, prefix, "VERSION %s",
+ Client_ID(target));
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;
-
- if (Mask) {
- /* Match pattern against user host/server/name/nick */
- client_match = MatchCaseInsensitive(Mask,
- Client_HostnameDisplayed(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 : "*");
-}
-
-
-/**
* 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.
assert (Client != NULL);
assert (Req != NULL);
- if (Req->argc > 2)
- return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
- Client_ID(Client), Req->command);
+ IRC_SetPenalty(Client, 1);
- only_ops = false;
+ _IRC_ARGC_LE_OR_RETURN_(Client, Req, 2)
+ only_ops = false;
if (Req->argc == 2) {
if (strcmp(Req->argv[1], "o") == 0)
only_ops = true;
#endif
}
- IRC_SetPenalty(Client, 1);
if (Req->argc >= 1) {
/* Channel or mask given */
chan = Channel_Search(Req->argv[0]);
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_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;
- }
-
- /* Service? */
- if (Client_Type(c) == CLIENT_SERVICE &&
- !IRC_WriteStrClient(from, RPL_WHOISSERVICE_MSG,
- Client_ID(from), Client_ID(c)))
- return DISCONNECTED;
-
- /* IRC-Operator? */
- if (Client_HasMode(c, 'o') && Client_Type(c) != CLIENT_SERVICE &&
- !IRC_WriteStrClient(from, RPL_WHOISOPERATOR_MSG,
- Client_ID(from), Client_ID(c)))
- return DISCONNECTED;
-
- /* IRC-Bot? */
- if (Client_HasMode(c, 'B') && Client_Type(c) != CLIENT_SERVICE &&
- !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.
- *
- * 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 )
{
assert( Client != NULL );
assert( Req != NULL );
+ IRC_SetPenalty(Client, 1);
+
/* Bad number of parameters? */
if (Req->argc < 1 || Req->argc > 2)
return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client), Req->command);
- /* Search sender of the WHOIS */
- if (Client_Type(Client) == CLIENT_SERVER) {
- from = Client_Search(Req->prefix);
- } else {
- IRC_SetPenalty(Client, 1);
- from = Client;
- }
- if (!from)
- return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
- Client_ID(Client), Req->prefix);
+ _IRC_GET_SENDER_OR_RETURN_(from, Req, Client)
/* Get target server for this command */
if (Req->argc > 1) {
- /* Search the target server, which can be specified as a
- * 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[0]);
+ _IRC_GET_TARGET_SERVER_OR_RETURN_(target, Req, 0, Client)
} else
target = Client_ThisServer();
+
assert(target != NULL);
- /* Forward to other server? */
- if (Client_NextHop(target) != Client_ThisServer() &&
- Client_Type(Client_NextHop(target)) == CLIENT_SERVER)
- return IRC_WriteStrClientPrefix(target, from,
- "WHOIS %s :%s",
- Req->argv[0], Req->argv[1]);
+ /* 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));
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 CONNECTED;
/* Wrong number of parameters? */
- if (Req->argc > 3)
- return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
- Client_ID(Client), Req->command);
if (Req->argc < 1)
- return IRC_WriteStrClient(Client, ERR_NONICKNAMEGIVEN_MSG, Client_ID(Client));
+ return IRC_WriteStrClient(Client, ERR_NONICKNAMEGIVEN_MSG,
+ Client_ID(Client));
- /* Search target */
- if (Req->argc == 3)
- target = Client_Search(Req->argv[2]);
- else
- target = Client_ThisServer();
+ _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)
- /* Get prefix */
- if (Client_Type(Client) == CLIENT_SERVER)
- prefix = Client_Search(Req->prefix);
- else
- prefix = Client;
-
- if (!prefix)
- return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
- Client_ID(Client), Req->prefix);
-
- /* Forward to other server? */
+ /* Forward? */
if (target != Client_ThisServer()) {
- if (!target || (Client_Type(target) != CLIENT_SERVER))
- return IRC_WriteStrClient(prefix, ERR_NOSUCHSERVER_MSG,
- Client_ID(prefix), Req->argv[2]);
-
- /* Forward */
- IRC_WriteStrClientPrefix( target, prefix, "WHOWAS %s %s %s",
- Req->argv[0], Req->argv[1],
- Req->argv[2] );
+ IRC_WriteStrClientPrefix(target, prefix, "WHOWAS %s %s %s",
+ Req->argv[0], Req->argv[1],
+ Client_ID(target));
return CONNECTED;
}
Client_ID(prefix), nick))
return DISCONNECTED;
}
- return IRC_WriteStrClient(prefix, RPL_ENDOFWHOWAS_MSG, Client_ID(prefix), Req->argv[0]);
+ 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- */
blob - /dev/null
blob + bd63ec495f7253f8b20dd9a006e794b1158d7626 (mode 644)
--- /dev/null
+++ src/ngircd/irc-macros.h
+/*
+ * ngIRCd -- The Next Generation IRC Daemon
+ * Copyright (c)2001-2013 Alexander Barton (alex@barton.de).
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * Please read the file COPYING, README and AUTHORS for more information.
+ */
+
+#ifndef __irc_macros_h__
+#define __irc_macros_h__
+
+/**
+ * @file
+ * Macros for functions that handle IRC commands.
+ */
+
+/**
+ * Make sure that number of passed parameters is less or equal than Max.
+ *
+ * If there are more than Max parameters, send an error to the client and
+ * return from the function.
+ */
+#define _IRC_ARGC_LE_OR_RETURN_(Client, Req, Max) \
+if (Req->argc > Max) \
+ return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG, \
+ Client_ID(Client), Req->command);
+
+/**
+ * Make sure that number of passed parameters is greater or equal than Min.
+ *
+ * If there aren't at least Min parameters, send an error to the client and
+ * return from the function.
+ */
+#define _IRC_ARGC_GE_OR_RETURN_(Client, Req, Min) \
+if (Req->argc < Min) \
+ return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG, \
+ Client_ID(Client), Req->command);
+
+/**
+ * Get sender of an IRC command.
+ *
+ * The sender is either stored in the prefix if the command has been
+ * received from a server or set to the client. If the sender is invalid,
+ * send an error to the client and return from the function.
+ */
+#define _IRC_GET_SENDER_OR_RETURN_(Sender, Req, Client) \
+ if (Client_Type(Client) == CLIENT_SERVER) \
+ Sender = Client_Search(Req->prefix); \
+ else \
+ Sender = Client; \
+ if (!Sender) \
+ return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG, \
+ Client_ID(Client), Req->prefix);
+
+/**
+ * Get target of an IRC command and make sure that it is a server.
+ *
+ * Set the target to the local server if no target parameter is given in the
+ * received command, and send an error to the client and return from the
+ * function if the given target isn't resolvable to a server: the target
+ * parameter can be a server name, a nick name (then the target is set to
+ * the server to which this nick is connected), or a mask matching at least
+ * one server name in the network.
+ */
+#define _IRC_GET_TARGET_SERVER_OR_RETURN_(Target, Req, Argc, From) \
+ if (Req->argc > Argc) { \
+ Target = Client_Search(Req->argv[Argc]); \
+ if (!Target) \
+ Target = Client_SearchServer(Req->argv[Argc]); \
+ if (!Target) \
+ return IRC_WriteStrClient(From, ERR_NOSUCHSERVER_MSG, \
+ Client_ID(From), Req->argv[Argc]); \
+ if (Client_Type(Target) != CLIENT_SERVER) \
+ Target = Client_Introducer(Target); \
+ } else \
+ Target = Client_ThisServer();
+
+#endif /* __irc_macros_h__ */
+
+/* -eof- */
