albino/ngircd-tor
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity
ngircd-tor/src/ngircd/irc-login.c
Alexander Barton 92603f7c80 Introduce_Client(): send MODES in RFC 1459 mode, too.
2008-09-23 11:47:17 +02:00

833 lines
23 KiB
C
Raw Blame History

/*
* ngIRCd -- The Next Generation IRC Daemon
* Copyright (c)2001-2008 Alexander Barton (alex@barton.de)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* 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.
*
* Login and logout
*/
#include "portab.h"
#include "imp.h"
#include <assert.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <strings.h>
#include "ngircd.h"
#include "resolve.h"
#include "conn-func.h"
#include "conf.h"
#include "client.h"
#include "channel.h"
#include "log.h"
#include "messages.h"
#include "parse.h"
#include "irc.h"
#include "irc-info.h"
#include "irc-write.h"
#include "exp.h"
#include "irc-login.h"
typedef struct _INTRO_INFO {
char *nick; /* Nick name */
int hopcount; /* Hop count */
char *user; /* User name */
char *host; /* Host name */
CLIENT *server; /* Server the client is connected to */
char *mode; /* User modes */
char *name; /* Real name */
} INTRO_INFO;
static bool Hello_User PARAMS(( CLIENT *Client ));
static void Kill_Nick PARAMS(( char *Nick, char *Reason ));
static void Introduce_Client PARAMS((CLIENT *From, char *Nick,
const int HopCount, char *User,
char *Host, CLIENT *Server,
char *Mode, char *Name ));
static void cb_introduceClient PARAMS((CLIENT *Client, CLIENT *Prefix,
void *i));
/**
* Handler for the IRC command "PASS".
* See RFC 2813 section 4.1.1, and RFC 2812 section 3.1.1.
*/
GLOBAL bool
IRC_PASS( CLIENT *Client, REQUEST *Req )
{
char *type, *orig_flags;
int protohigh, protolow;
assert( Client != NULL );
assert( Req != NULL );
/* Return an error if this is not a local client */
if (Client_Conn(Client) <= NONE)
return IRC_WriteStrClient(Client, ERR_UNKNOWNCOMMAND_MSG,
Client_ID(Client), Req->command);
if (Client_Type(Client) == CLIENT_UNKNOWN && Req->argc == 1) {
/* Not yet registered "unknown" connection, PASS with one
* argument: either a regular client, service, or server
* using the old RFC 1459 section 4.1.1 syntax. */
LogDebug("Connection %d: got PASS command (RFC 1459) ...",
Client_Conn(Client));
} else if ((Client_Type(Client) == CLIENT_UNKNOWN ||
Client_Type(Client) == CLIENT_UNKNOWNSERVER) &&
(Req->argc == 3 || Req->argc == 4)) {
/* Not yet registered "unknown" connection or outgoing server
* link, PASS with three or four argument: server using the
* RFC 2813 section 4.1.1 syntax. */
LogDebug("Connection %d: got PASS command (RFC 2813, new server link) ...",
Client_Conn(Client));
} else if (Client_Type(Client) == CLIENT_UNKNOWN ||
Client_Type(Client) == CLIENT_UNKNOWNSERVER) {
/* Unregistered connection, but wrong number of arguments: */
return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client), Req->command);
} else {
/* Registered connection, PASS command is not allowed! */
return IRC_WriteStrClient(Client, ERR_ALREADYREGISTRED_MSG,
Client_ID(Client));
}
Client_SetPassword(Client, Req->argv[0]);
/* Protocol version */
if (Req->argc >= 2 && strlen(Req->argv[1]) >= 4) {
int c2, c4;
c2 = Req->argv[1][2];
c4 = Req->argv[1][4];
Req->argv[1][4] = '\0';
protolow = atoi(&Req->argv[1][2]);
Req->argv[1][2] = '\0';
protohigh = atoi(Req->argv[1]);
Req->argv[1][2] = c2;
Req->argv[1][4] = c4;
Client_SetType(Client, CLIENT_GOTPASS_2813);
} else {
protohigh = protolow = 0;
Client_SetType(Client, CLIENT_GOTPASS);
}
/* Protocol type, see doc/Protocol.txt */
if (Req->argc >= 2 && strlen(Req->argv[1]) > 4)
type = &Req->argv[1][4];
else
type = NULL;
/* Protocol flags/options */
if (Req->argc >= 4)
orig_flags = Req->argv[3];
else
orig_flags = "";
/* Implementation, version and IRC+ flags */
if (Req->argc >= 3) {
char *impl, *ptr, *serverver, *flags;
impl = Req->argv[2];
ptr = strchr(impl, '|');
if (ptr)
*ptr = '\0';
if (type && strcmp(type, PROTOIRCPLUS) == 0) {
/* The peer seems to be a server which supports the
* IRC+ protocol (see doc/Protocol.txt). */
serverver = ptr + 1;
flags = strchr(serverver, ':');
if (flags) {
*flags = '\0';
flags++;
} else
flags = "";
Log(LOG_INFO,
"Peer announces itself as %s-%s using protocol %d.%d/IRC+ (flags: \"%s\").",
impl, serverver, protohigh, protolow, flags);
} else {
/* The peer seems to be a server supporting the
* "original" IRC protocol (RFC 2813). */
serverver = "";
if (strchr(orig_flags, 'Z'))
flags = "Z";
else
flags = "";
Log(LOG_INFO,
"Peer announces itself as \"%s\" using protocol %d.%d (flags: \"%s\").",
impl, protohigh, protolow, flags);
}
Client_SetFlags(Client, flags);
}
return CONNECTED;
} /* IRC_PASS */
/**
* IRC "NICK" command.
* This function implements the IRC command "NICK" which is used to register
* with the server, to change already registered nicknames and to introduce
* new users which are connected to other servers.
*/
GLOBAL bool
IRC_NICK( CLIENT *Client, REQUEST *Req )
{
CLIENT *intr_c, *target, *c;
char *nick, *user, *hostname, *modes, *info;
int token, hops;
assert( Client != NULL );
assert( Req != NULL );
#ifndef STRICT_RFC
/* Some IRC clients, for example BitchX, send the NICK and USER
* commands in the wrong order ... */
if( Client_Type( Client ) == CLIENT_UNKNOWN
|| Client_Type( Client ) == CLIENT_GOTPASS
|| Client_Type( Client ) == CLIENT_GOTNICK
|| Client_Type( Client ) == CLIENT_GOTUSER
|| Client_Type( Client ) == CLIENT_USER
|| ( Client_Type( Client ) == CLIENT_SERVER && Req->argc == 1 ))
#else
if( Client_Type( Client ) == CLIENT_UNKNOWN
|| Client_Type( Client ) == CLIENT_GOTPASS
|| Client_Type( Client ) == CLIENT_GOTNICK
|| Client_Type( Client ) == CLIENT_USER
|| ( Client_Type( Client ) == CLIENT_SERVER && Req->argc == 1 ))
#endif
{
/* User registration or change of nickname */
/* Wrong number of arguments? */
if( Req->argc != 1 )
return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG,
Client_ID( Client ),
Req->command );
/* Search "target" client */
if( Client_Type( Client ) == CLIENT_SERVER )
{
target = Client_Search( Req->prefix );
if( ! target )
return IRC_WriteStrClient( Client,
ERR_NOSUCHNICK_MSG,
Client_ID( Client ),
Req->argv[0] );
}
else
{
/* Is this a restricted client? */
if( Client_HasMode( Client, 'r' ))
return IRC_WriteStrClient( Client,
ERR_RESTRICTED_MSG,
Client_ID( Client ));
target = Client;
}
#ifndef STRICT_RFC
/* If the clients tries to change to its own nickname we won't
* do anything. This is how the original ircd behaves and some
* clients (for example Snak) expect it to be like this.
* But I doubt that this is "really the right thing" ... */
if( strcmp( Client_ID( target ), Req->argv[0] ) == 0 )
return CONNECTED;
#endif
/* Check that the new nickname is available. Special case:
* the client only changes from/to upper to lower case. */
if( strcasecmp( Client_ID( target ), Req->argv[0] ) != 0 )
{
if( ! Client_CheckNick( target, Req->argv[0] ))
return CONNECTED;
}
if(( Client_Type( target ) != CLIENT_USER )
&& ( Client_Type( target ) != CLIENT_SERVER ))
{
/* New client */
Log( LOG_DEBUG, "Connection %d: got valid NICK command ...",
Client_Conn( Client ));
/* Register new nickname of this client */
Client_SetID( target, Req->argv[0] );
/* If we received a valid USER command already then
* register the new client! */
if( Client_Type( Client ) == CLIENT_GOTUSER )
return Hello_User( Client );
else
Client_SetType( Client, CLIENT_GOTNICK );
}
else
{
/* Nickname change */
if (Client_Conn(target) > NONE) {
/* Local client */
Log(LOG_INFO,
"User \"%s\" changed nick (connection %d): \"%s\" -> \"%s\".",
Client_Mask(target), Client_Conn(target),
Client_ID(target), Req->argv[0]);
Conn_UpdateIdle(Client_Conn(target));
}
else
{
/* Remote client */
Log( LOG_DEBUG,
"User \"%s\" changed nick: \"%s\" -> \"%s\".",
Client_Mask( target ), Client_ID( target ),
Req->argv[0] );
}
/* Inform all users and servers (which have to know)
* of this nickname change */
if( Client_Type( Client ) == CLIENT_USER )
IRC_WriteStrClientPrefix( Client, Client,
"NICK :%s",
Req->argv[0] );
IRC_WriteStrServersPrefix( Client, target,
"NICK :%s", Req->argv[0] );
IRC_WriteStrRelatedPrefix( target, target, false,
"NICK :%s", Req->argv[0] );
/* Register old nickname for WHOWAS queries */
Client_RegisterWhowas( target );
/* Save new nickname */
Client_SetID( target, Req->argv[0] );
IRC_SetPenalty( target, 2 );
}
return CONNECTED;
} else if(Client_Type(Client) == CLIENT_SERVER ||
Client_Type(Client) == CLIENT_SERVICE) {
/* Server or service introduces new client */
/* Bad number of parameters? */
if (Req->argc != 2 && Req->argc != 7)
return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client), Req->command);
if (Req->argc >= 7) {
/* RFC 2813 compatible syntax */
nick = Req->argv[0];
hops = atoi(Req->argv[1]);
user = Req->argv[2];
hostname = Req->argv[3];
token = atoi(Req->argv[4]);
modes = Req->argv[5] + 1;
info = Req->argv[6];
} else {
/* RFC 1459 compatible syntax */
nick = Req->argv[0];
hops = 1;
user = Req->argv[0];
hostname = Client_ID(Client);
token = atoi(Req->argv[1]);
modes = "";
info = Req->argv[0];
}
/* Nick ueberpruefen */
c = Client_Search(nick);
if(c) {
/* Der neue Nick ist auf diesem Server bereits registriert:
* sowohl der neue, als auch der alte Client muessen nun
* disconnectiert werden. */
Log( LOG_ERR, "Server %s introduces already registered nick \"%s\"!", Client_ID( Client ), Req->argv[0] );
Kill_Nick( Req->argv[0], "Nick collision" );
return CONNECTED;
}
/* Server, zu dem der Client connectiert ist, suchen */
intr_c = Client_GetFromToken(Client, token);
if( ! intr_c )
{
Log( LOG_ERR, "Server %s introduces nick \"%s\" on unknown server!?", Client_ID( Client ), Req->argv[0] );
Kill_Nick( Req->argv[0], "Unknown server" );
return CONNECTED;
}
/* Neue Client-Struktur anlegen */
c = Client_NewRemoteUser(intr_c, nick, hops, user, hostname,
token, modes, info, true);
if( ! c )
{
/* Eine neue Client-Struktur konnte nicht angelegt werden.
* Der Client muss disconnectiert werden, damit der Netz-
* status konsistent bleibt. */
Log( LOG_ALERT, "Can't create client structure! (on connection %d)", Client_Conn( Client ));
Kill_Nick( Req->argv[0], "Server error" );
return CONNECTED;
}
/* RFC 2813: client is now fully registered, inform all the
* other servers about the new user.
* RFC 1459: announce the new client only after receiving the
* USER command, first we need more information! */
if (Req->argc >= 7) {
modes = Client_Modes(c);
LogDebug("User \"%s\" (+%s) registered (via %s, on %s, %d hop%s).",
Client_Mask(c), modes, Client_ID(Client),
Client_ID(intr_c), Client_Hops(c),
Client_Hops(c) > 1 ? "s": "");
Introduce_Client(Client, Req->argv[0],
atoi(Req->argv[1]) + 1, Req->argv[2],
Req->argv[3], intr_c, modes, Req->argv[6]);
} else {
LogDebug("User \"%s\" is beeing registered (RFC 1459) ...",
Client_Mask(c));
Client_SetType(c, CLIENT_GOTNICK);
}
return CONNECTED;
}
else return IRC_WriteStrClient( Client, ERR_ALREADYREGISTRED_MSG, Client_ID( Client ));
} /* IRC_NICK */
/**
* Handler for the IRC command "USER".
*/
GLOBAL bool
IRC_USER(CLIENT * Client, REQUEST * Req)
{
CLIENT *c;
#ifdef IDENTAUTH
char *ptr;
#endif
assert(Client != NULL);
assert(Req != NULL);
if (Client_Type(Client) == CLIENT_GOTNICK ||
#ifndef STRICT_RFC
Client_Type(Client) == CLIENT_UNKNOWN ||
#endif
Client_Type(Client) == CLIENT_GOTPASS)
{
/* New connection */
if (Req->argc != 4)
return IRC_WriteStrClient(Client,
ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client),
Req->command);
/* User name */
#ifdef IDENTAUTH
ptr = Client_User(Client);
if (!ptr || !*ptr || *ptr == '~')
Client_SetUser(Client, Req->argv[0], false);
#else
Client_SetUser(Client, Req->argv[0], false);
#endif
/* "Real name" or user info text: Don't set it to the empty
* string, the original ircd can't deal with such "real names"
* (e. g. "USER user * * :") ... */
if (*Req->argv[3])
Client_SetInfo(Client, Req->argv[3]);
else
Client_SetInfo(Client, "-");
LogDebug("Connection %d: got valid USER command ...",
Client_Conn(Client));
if (Client_Type(Client) == CLIENT_GOTNICK)
return Hello_User(Client);
else
Client_SetType(Client, CLIENT_GOTUSER);
return CONNECTED;
} else if (Client_Type(Client) == CLIENT_SERVER ||
Client_Type(Client) == CLIENT_SERVICE) {
/* Server/service updating an user */
if (Req->argc != 4)
return IRC_WriteStrClient(Client,
ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client),
Req->command);
c = Client_Search(Req->prefix);
if (!c)
return IRC_WriteStrClient(Client, ERR_NOSUCHNICK_MSG,
Client_ID(Client),
Req->prefix);
Client_SetUser(c, Req->argv[0], true);
Client_SetHostname(c, Req->argv[1]);
Client_SetInfo(c, Req->argv[3]);
LogDebug("Connection %d: got valid USER command for \"%s\".",
Client_Conn(Client), Client_Mask(c));
/* RFC 1459 style user registration? Inform other servers! */
if (Client_Type(c) == CLIENT_GOTNICK) {
Introduce_Client(Client, Client_ID(c), Client_Hops(c),
Client_User(c), Client_Hostname(c),
Client_Introducer(c), Client_Modes(c),
Client_Info(c));
LogDebug("User \"%s\" (+%s) registered (via %s, on %s, %d hop%s).",
Client_Mask(c), Client_Modes(c), Client_ID(Client),
Client_ID(Client_Introducer(c)), Client_Hops(c),
Client_Hops(c) > 1 ? "s": "");
Client_SetType(c, CLIENT_USER);
}
return CONNECTED;
} else if (Client_Type(Client) == CLIENT_USER) {
/* Already registered connection */
return IRC_WriteStrClient(Client, ERR_ALREADYREGISTRED_MSG,
Client_ID(Client));
} else {
/* Unexpected/invalid connection state? */
return IRC_WriteStrClient(Client, ERR_NOTREGISTERED_MSG,
Client_ID(Client));
}
} /* IRC_USER */
/**
* Service registration.
* ngIRCd does not support services at the moment, so this function is a
* dummy that returns ERR_ERRONEUSNICKNAME on each call.
*/
GLOBAL bool
IRC_SERVICE(CLIENT *Client, REQUEST *Req)
{
assert(Client != NULL);
assert(Req != NULL);
if (Client_Type(Client) != CLIENT_GOTPASS)
return IRC_WriteStrClient(Client, ERR_ALREADYREGISTRED_MSG,
Client_ID(Client));
if (Req->argc != 6)
return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client), Req->command);
return IRC_WriteStrClient(Client, ERR_ERRONEUSNICKNAME_MSG,
Client_ID(Client), Req->argv[0]);
} /* IRC_SERVICE */
GLOBAL bool
IRC_QUIT( CLIENT *Client, REQUEST *Req )
{
CLIENT *target;
char quitmsg[LINE_LEN];
assert( Client != NULL );
assert( Req != NULL );
/* Wrong number of arguments? */
if( Req->argc > 1 )
return IRC_WriteStrClient( Client, ERR_NEEDMOREPARAMS_MSG, Client_ID( Client ), Req->command );
if (Req->argc == 1)
strlcpy(quitmsg, Req->argv[0], sizeof quitmsg);
if ( Client_Type( Client ) == CLIENT_SERVER )
{
/* Server */
target = Client_Search( Req->prefix );
if( ! target )
{
/* Den Client kennen wir nicht (mehr), also nichts zu tun. */
Log( LOG_WARNING, "Got QUIT from %s for unknown client!?", Client_ID( Client ));
return CONNECTED;
}
Client_Destroy( target, "Got QUIT command.", Req->argc == 1 ? quitmsg : NULL, true);
return CONNECTED;
}
else
{
if (Req->argc == 1 && quitmsg[0] != '\"') {
/* " " to avoid confusion */
strlcpy(quitmsg, "\"", sizeof quitmsg);
strlcat(quitmsg, Req->argv[0], sizeof quitmsg-1);
strlcat(quitmsg, "\"", sizeof quitmsg );
}
/* User, Service, oder noch nicht registriert */
Conn_Close( Client_Conn( Client ), "Got QUIT command.", Req->argc == 1 ? quitmsg : NULL, true);
return DISCONNECTED;
}
} /* IRC_QUIT */
GLOBAL bool
IRC_PING(CLIENT *Client, REQUEST *Req)
{
CLIENT *target, *from;
assert(Client != NULL);
assert(Req != NULL);
/* Wrong number of arguments? */
if (Req->argc < 1)
return IRC_WriteStrClient(Client, ERR_NOORIGIN_MSG,
Client_ID(Client));
#ifdef STRICT_RFC
/* Don't ignore additional arguments when in "strict" mode */
if (Req->argc > 2)
return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client), Req->command);
#endif
if (Req->argc > 1) {
/* A target has been specified ... */
target = Client_Search(Req->argv[1]);
if (!target || Client_Type(target) != CLIENT_SERVER)
return IRC_WriteStrClient(Client, ERR_NOSUCHSERVER_MSG,
Client_ID(Client), Req->argv[1]);
if (target != Client_ThisServer()) {
/* Ok, we have to forward the PING */
if (Client_Type(Client) == CLIENT_SERVER)
from = Client_Search(Req->prefix);
else
from = Client;
if (!from)
return IRC_WriteStrClient(Client,
ERR_NOSUCHSERVER_MSG,
Client_ID(Client), Req->prefix);
return IRC_WriteStrClientPrefix(target, from,
"PING %s :%s", Req->argv[0],
Req->argv[1] );
}
}
if (Client_Type(Client) == CLIENT_SERVER) {
if (Req->prefix)
from = Client_Search(Req->prefix);
else
from = Client;
} else
from = Client_ThisServer();
if (!from)
return IRC_WriteStrClient(Client, ERR_NOSUCHSERVER_MSG,
Client_ID(Client), Req->prefix);
Log(LOG_DEBUG, "Connection %d: got PING, sending PONG ...",
Client_Conn(Client));
#ifdef STRICT_RFC
return IRC_WriteStrClient(Client, "PONG %s :%s",
Client_ID(from), Client_ID(Client));
#else
/* Some clients depend on the argument being returned in the PONG
* reply (not mentioned in any RFC, though) */
return IRC_WriteStrClient(Client, "PONG %s :%s",
Client_ID(from), Req->argv[0]);
#endif
} /* IRC_PING */
GLOBAL bool
IRC_PONG(CLIENT *Client, REQUEST *Req)
{
CLIENT *target, *from;
char *s;
assert(Client != NULL);
assert(Req != NULL);
/* Wrong number of arguments? */
if (Req->argc < 1)
return IRC_WriteStrClient(Client, ERR_NOORIGIN_MSG,
Client_ID(Client));
if (Req->argc > 2)
return IRC_WriteStrClient(Client, ERR_NEEDMOREPARAMS_MSG,
Client_ID(Client), Req->command);
/* Forward? */
if (Req->argc == 2 && Client_Type(Client) == CLIENT_SERVER) {
target = Client_Search(Req->argv[0]);
if (!target)
return IRC_WriteStrClient(Client, ERR_NOSUCHSERVER_MSG,
Client_ID(Client), Req->argv[0]);
from = Client_Search(Req->prefix);
if (target != Client_ThisServer() && target != from) {
/* Ok, we have to forward the message. */
if (!from)
return IRC_WriteStrClient(Client,
ERR_NOSUCHSERVER_MSG,
Client_ID(Client), Req->prefix);
if (Client_Type(Client_NextHop(target)) != CLIENT_SERVER)
s = Client_ID(from);
else
s = Req->argv[0];
return IRC_WriteStrClientPrefix(target, from,
"PONG %s :%s", s, Req->argv[1]);
}
}
/* The connection timestamp has already been updated when the data has
* been read from so socket, so we don't need to update it here. */
if (Client_Conn(Client) > NONE)
Log(LOG_DEBUG,
"Connection %d: received PONG. Lag: %ld seconds.",
Client_Conn(Client),
time(NULL) - Conn_LastPing(Client_Conn(Client)));
else
Log(LOG_DEBUG,
"Connection %d: received PONG.", Client_Conn(Client));
return CONNECTED;
} /* IRC_PONG */
static bool
Hello_User(CLIENT * Client)
{
char modes[CLIENT_MODE_LEN + 1] = "+";
assert(Client != NULL);
/* Check password ... */
if (strcmp(Client_Password(Client), Conf_ServerPwd) != 0) {
/* Bad password! */
Log(LOG_ERR,
"User \"%s\" rejected (connection %d): Bad password!",
Client_Mask(Client), Client_Conn(Client));
Conn_Close(Client_Conn(Client), NULL, "Bad password", true);
return DISCONNECTED;
}
Log(LOG_NOTICE, "User \"%s\" registered (connection %d).",
Client_Mask(Client), Client_Conn(Client));
/* Inform other servers */
strlcat(modes, Client_Modes(Client), sizeof(modes));
Introduce_Client(NULL, Client_ID(Client), 1, Client_User(Client),
Client_Hostname(Client), NULL, modes,
Client_Info(Client));
if (!IRC_WriteStrClient
(Client, RPL_WELCOME_MSG, Client_ID(Client), Client_Mask(Client)))
return false;
if (!IRC_WriteStrClient
(Client, RPL_YOURHOST_MSG, Client_ID(Client),
Client_ID(Client_ThisServer()), PACKAGE_VERSION, TARGET_CPU,
TARGET_VENDOR, TARGET_OS))
return false;
if (!IRC_WriteStrClient
(Client, RPL_CREATED_MSG, Client_ID(Client), NGIRCd_StartStr))
return false;
if (!IRC_WriteStrClient
(Client, RPL_MYINFO_MSG, Client_ID(Client),
Client_ID(Client_ThisServer()), PACKAGE_VERSION, USERMODES,
CHANMODES))
return false;
/* Features supported by this server (005 numeric, ISUPPORT),
* see <http://www.irc.org/tech_docs/005.html> for details. */
if (!IRC_Send_ISUPPORT(Client))
return DISCONNECTED;
Client_SetType(Client, CLIENT_USER);
if (!IRC_Send_LUSERS(Client))
return DISCONNECTED;
if (!IRC_Show_MOTD(Client))
return DISCONNECTED;
/* Suspend the client for a second ... */
IRC_SetPenalty(Client, 1);
return CONNECTED;
} /* Hello_User */
static void
Kill_Nick( char *Nick, char *Reason )
{
REQUEST r;
assert( Nick != NULL );
assert( Reason != NULL );
r.prefix = (char *)Client_ThisServer( );
r.argv[0] = Nick;
r.argv[1] = Reason;
r.argc = 2;
Log( LOG_ERR, "User(s) with nick \"%s\" will be disconnected: %s", Nick, Reason );
IRC_KILL( Client_ThisServer( ), &r );
} /* Kill_Nick */
static void
Introduce_Client(CLIENT *From, char *Nick, const int HopCount, char *User,
char *Host, CLIENT *Server, char *Mode, char *Name)
{
INTRO_INFO i;
i.nick = Nick;
i.hopcount = HopCount;
i.user = User ? User : "-";
i.host = Host ? Host : "-";
i.server = Server ? Server : Client_ThisServer();
i.mode = Mode ? Mode : "+";
i.name = Name ? Name : "";
IRC_WriteStrServersPrefixFlag_CB(From,
From != NULL ? From : Client_ThisServer(),
'\0', cb_introduceClient, (void *)(&i));
} /* Introduce_Client */
static void
cb_introduceClient(CLIENT *Client, CLIENT *Prefix, void *data)
{
INTRO_INFO *i = (INTRO_INFO *)data;
CONN_ID conn;
conn = Client_Conn(Client);
if (Conn_Options(conn) & CONN_RFC1459) {
/* RFC 1459 mode: separate NICK and USER commands */
Conn_WriteStr(conn, "NICK %s :%d", i->nick, i->hopcount);
Conn_WriteStr(conn, ":%s USER %s %s %s :%s",
i->nick, i->user, i->host,
Client_ID(i->server), i->name);
if (i->mode[0])
Conn_WriteStr(conn, ":%s MODE %s +%s",
i->nick, i->nick, i->mode);
} else {
/* RFC 2813 mode: one combined NICK command */
IRC_WriteStrClientPrefix(Client, Prefix,
"NICK %s %d %s %s %d +%s :%s",
i->nick, i->hopcount, i->user, i->host,
Client_MyToken(i->server), i->mode,
i->name);
}
} /* cb_introduceClient */
/* -eof- */
Reference in New Issue View Git Blame Copy Permalink