/*
* ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001 by Alexander Barton (alex@barton.de)
+ * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
*
* Dieses Programm ist freie Software. Sie koennen es unter den Bedingungen
* der GNU General Public License (GPL), wie von der Free Software Foundation
* herausgegeben, weitergeben und/oder modifizieren, entweder unter Version 2
* der Lizenz oder (wenn Sie es wuenschen) jeder spaeteren Version.
* Naehere Informationen entnehmen Sie bitter der Datei COPYING. Eine Liste
- * der an comBase beteiligten Autoren finden Sie in der Datei AUTHORS.
+ * der an ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS.
*
- * $Id: client.c,v 1.1 2001/12/14 08:13:43 alex Exp $
+ * $Id: client.c,v 1.63 2002/11/26 08:36:34 alex Exp $
*
* client.c: Management aller Clients
*
* Ueber welchen IRC-Server die Verbindung nun tatsaechlich in das Netzwerk her-
* gestellt wurde, muss der jeweiligen Struktur entnommen werden. Ist es dieser
* Server gewesen, so existiert eine entsprechende CONNECTION-Struktur.
- *
- * $Log: client.c,v $
- * Revision 1.1 2001/12/14 08:13:43 alex
- * - neues Modul begonnen :-)
- *
*/
-#include <portab.h>
-#include "global.h"
+#define __client_c__
-#include <imp.h>
+
+#include "portab.h"
+
+#include "imp.h"
#include <assert.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <netdb.h>
-#include "channel.h"
#include "conn.h"
+
+#include "exp.h"
+#include "client.h"
+
+#include <imp.h>
+#include "ngircd.h"
+#include "channel.h"
+#include "resolve.h"
+#include "conf.h"
+#include "hash.h"
+#include "irc-write.h"
#include "log.h"
+#include "messages.h"
#include <exp.h>
-#include "client.h"
+
+
+#define GETID_LEN (CLIENT_NICK_LEN-1) + 1 + (CLIENT_USER_LEN-1) + 1 + (CLIENT_HOST_LEN-1) + 1
LOCAL CLIENT *This_Server, *My_Clients;
+LOCAL CHAR GetID_Buffer[GETID_LEN];
-LOCAL CLIENT *New_Client_Struct( VOID );
+LOCAL LONG Count PARAMS(( CLIENT_TYPE Type ));
+LOCAL LONG MyCount PARAMS(( CLIENT_TYPE Type ));
+LOCAL CLIENT *New_Client_Struct PARAMS(( VOID ));
+LOCAL VOID Generate_MyToken PARAMS(( CLIENT *Client ));
-GLOBAL VOID Client_Init( VOID )
+
+GLOBAL VOID
+Client_Init( VOID )
{
+ struct hostent *h;
+
This_Server = New_Client_Struct( );
if( ! This_Server )
{
Log( LOG_EMERG, "Can't allocate client structure for server! Going down." );
+ Log( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE );
exit( 1 );
}
This_Server->type = CLIENT_SERVER;
This_Server->conn_id = NONE;
This_Server->introducer = This_Server;
- strcpy( This_Server->nick, "ngircd" ); /* FIXME! */
-
+ This_Server->mytoken = 1;
+ This_Server->hops = 0;
+
+ gethostname( This_Server->host, CLIENT_HOST_LEN );
+ h = gethostbyname( This_Server->host );
+ if( h ) strcpy( This_Server->host, h->h_name );
+
+ Client_SetID( This_Server, Conf_ServerName );
+ Client_SetInfo( This_Server, Conf_ServerInfo );
+
My_Clients = This_Server;
} /* Client_Init */
-GLOBAL VOID Client_Exit( VOID )
+GLOBAL VOID
+Client_Exit( VOID )
{
-} /* Client Exit */
+ CLIENT *c, *next;
+ INT cnt;
+
+ if( NGIRCd_Restart ) Client_Destroy( This_Server, "Server going down (restarting).", NULL, FALSE );
+ else Client_Destroy( This_Server, "Server going down.", NULL, FALSE );
+
+ cnt = 0;
+ c = My_Clients;
+ while( c )
+ {
+ cnt++;
+ next = (CLIENT *)c->next;
+ free( c );
+ c = next;
+ }
+ if( cnt ) Log( LOG_INFO, "Freed %d client structure%s.", cnt, cnt == 1 ? "" : "s" );
+} /* Client_Exit */
+
+
+GLOBAL CLIENT *
+Client_ThisServer( VOID )
+{
+ return This_Server;
+} /* Client_ThisServer */
+
+
+GLOBAL CLIENT *
+Client_NewLocal( CONN_ID Idx, CHAR *Hostname, INT Type, BOOLEAN Idented )
+{
+ /* Neuen lokalen Client erzeugen: Wrapper-Funktion fuer Client_New(). */
+ return Client_New( Idx, This_Server, NULL, Type, NULL, NULL, Hostname, NULL, 0, 0, NULL, Idented );
+} /* Client_NewLocal */
+
+
+GLOBAL CLIENT *
+Client_NewRemoteServer( CLIENT *Introducer, CHAR *Hostname, CLIENT *TopServer, INT Hops, INT Token, CHAR *Info, BOOLEAN Idented )
+{
+ /* Neuen Remote-Client erzeugen: Wrapper-Funktion fuer Client_New (). */
+ return Client_New( NONE, Introducer, TopServer, CLIENT_SERVER, Hostname, NULL, Hostname, Info, Hops, Token, NULL, Idented );
+} /* Client_NewRemoteServer */
-LOCAL CLIENT *New_Client_Struct( VOID )
+GLOBAL CLIENT *
+Client_NewRemoteUser( CLIENT *Introducer, CHAR *Nick, INT Hops, CHAR *User, CHAR *Hostname, INT Token, CHAR *Modes, CHAR *Info, BOOLEAN Idented )
{
+ /* Neuen Remote-Client erzeugen: Wrapper-Funktion fuer Client_New (). */
+ return Client_New( NONE, Introducer, NULL, CLIENT_USER, Nick, User, Hostname, Info, Hops, Token, Modes, Idented );
+} /* Client_NewRemoteUser */
+
+
+GLOBAL CLIENT *
+Client_New( CONN_ID Idx, CLIENT *Introducer, CLIENT *TopServer, INT Type, CHAR *ID, CHAR *User, CHAR *Hostname, CHAR *Info, INT Hops, INT Token, CHAR *Modes, BOOLEAN Idented )
+{
+ CLIENT *client;
+
+ assert( Idx >= NONE );
+ assert( Introducer != NULL );
+ assert( Hostname != NULL );
+
+ client = New_Client_Struct( );
+ if( ! client ) return NULL;
+
+ /* Initialisieren */
+ client->conn_id = Idx;
+ client->introducer = Introducer;
+ client->topserver = TopServer;
+ client->type = Type;
+ if( ID ) Client_SetID( client, ID );
+ if( User ) Client_SetUser( client, User, Idented );
+ if( Hostname ) Client_SetHostname( client, Hostname );
+ if( Info ) Client_SetInfo( client, Info );
+ client->hops = Hops;
+ client->token = Token;
+ if( Modes ) Client_SetModes( client, Modes );
+ if( Type == CLIENT_SERVER ) Generate_MyToken( client );
+
+ /* ist der User away? */
+ if( strchr( client->modes, 'a' )) strcpy( client->away, DEFAULT_AWAY_MSG );
+
+ /* Verketten */
+ client->next = (POINTER *)My_Clients;
+ My_Clients = client;
+
+ return client;
+} /* Client_New */
+
+
+GLOBAL VOID
+Client_Destroy( CLIENT *Client, CHAR *LogMsg, CHAR *FwdMsg, BOOLEAN SendQuit )
+{
+ /* Client entfernen. */
+
+ CLIENT *last, *c;
+ CHAR msg[LINE_LEN], *txt;
+
+ assert( Client != NULL );
+
+ if( LogMsg ) txt = LogMsg;
+ else txt = FwdMsg;
+ if( ! txt ) txt = "Reason unknown.";
+
+ /* Netz-Split-Nachricht vorbereiten (noch nicht optimal) */
+ if( Client->type == CLIENT_SERVER ) sprintf( msg, "%s: lost server %s", This_Server->id, Client->id );
+
+ last = NULL;
+ c = My_Clients;
+ while( c )
+ {
+ if(( Client->type == CLIENT_SERVER ) && ( c->introducer == Client ) && ( c != Client ))
+ {
+ /* der Client, der geloescht wird ist ein Server. Der Client, den wir gerade
+ * pruefen, ist ein Child von diesem und muss daher auch entfernt werden */
+ Client_Destroy( c, NULL, msg, FALSE );
+ last = NULL;
+ c = My_Clients;
+ continue;
+ }
+ if( c == Client )
+ {
+ /* Wir haben den Client gefunden: entfernen */
+ if( last ) last->next = c->next;
+ else My_Clients = (CLIENT *)c->next;
+
+ if( c->type == CLIENT_USER )
+ {
+ if( c->conn_id != NONE )
+ {
+ /* Ein lokaler User */
+ Log( LOG_NOTICE, "User \"%s\" unregistered (connection %d): %s", Client_Mask( c ), c->conn_id, txt );
+
+ if( SendQuit )
+ {
+ /* Alle andere Server informieren! */
+ if( FwdMsg ) IRC_WriteStrServersPrefix( NULL, c, "QUIT :%s", FwdMsg );
+ else IRC_WriteStrServersPrefix( NULL, c, "QUIT :" );
+ }
+ }
+ else
+ {
+ /* Remote User */
+ Log( LOG_DEBUG, "User \"%s\" unregistered: %s", Client_Mask( c ), txt );
+
+ if( SendQuit )
+ {
+ /* Andere Server informieren, ausser denen, die "in
+ * Richtung dem liegen", auf dem der User registriert
+ * ist. Von denen haben wir das QUIT ja wohl bekommen. */
+ if( FwdMsg ) IRC_WriteStrServersPrefix( Client_NextHop( c ), c, "QUIT :%s", FwdMsg );
+ else IRC_WriteStrServersPrefix( Client_NextHop( c ), c, "QUIT :" );
+ }
+ }
+ Channel_Quit( c, FwdMsg ? FwdMsg : c->id );
+ }
+ else if( c->type == CLIENT_SERVER )
+ {
+ if( c != This_Server )
+ {
+ if( c->conn_id != NONE ) Log( LOG_NOTICE|LOG_snotice, "Server \"%s\" unregistered (connection %d): %s", c->id, c->conn_id, txt );
+ else Log( LOG_NOTICE|LOG_snotice, "Server \"%s\" unregistered: %s", c->id, txt );
+ }
+
+ /* andere Server informieren */
+ if( ! NGIRCd_Quit )
+ {
+ if( FwdMsg ) IRC_WriteStrServersPrefix( Client_NextHop( c ), c, "SQUIT %s :%s", c->id, FwdMsg );
+ else IRC_WriteStrServersPrefix( Client_NextHop( c ), c, "SQUIT %s :", c->id );
+ }
+ }
+ else
+ {
+ if( c->conn_id != NONE )
+ {
+ if( c->id[0] ) Log( LOG_NOTICE, "Client \"%s\" unregistered (connection %d): %s", c->id, c->conn_id, txt );
+ else Log( LOG_NOTICE, "Client unregistered (connection %d): %s", c->conn_id, txt );
+ }
+ else
+ {
+ if( c->id[0] ) Log( LOG_WARNING, "Unregistered unknown client \"%s\": %s", c->id, txt );
+ else Log( LOG_WARNING, "Unregistered unknown client: %s", c->id, txt );
+ }
+ }
+
+ free( c );
+ break;
+ }
+ last = c;
+ c = (CLIENT *)c->next;
+ }
+} /* Client_Destroy */
+
+
+GLOBAL VOID
+Client_SetHostname( CLIENT *Client, CHAR *Hostname )
+{
+ /* Hostname eines Clients setzen */
+
+ assert( Client != NULL );
+ assert( Hostname != NULL );
+
+ strncpy( Client->host, Hostname, CLIENT_HOST_LEN - 1 );
+ Client->host[CLIENT_HOST_LEN - 1] = '\0';
+} /* Client_SetHostname */
+
+
+GLOBAL VOID
+Client_SetID( CLIENT *Client, CHAR *ID )
+{
+ /* Hostname eines Clients setzen, Hash-Wert berechnen */
+
+ assert( Client != NULL );
+ assert( ID != NULL );
+
+ strncpy( Client->id, ID, CLIENT_ID_LEN - 1 );
+ Client->id[CLIENT_ID_LEN - 1] = '\0';
+
+ /* Hash */
+ Client->hash = Hash( Client->id );
+} /* Client_SetID */
+
+
+GLOBAL VOID
+Client_SetUser( CLIENT *Client, CHAR *User, BOOLEAN Idented )
+{
+ /* Username eines Clients setzen */
+
+ assert( Client != NULL );
+ assert( User != NULL );
+
+ if( Idented ) strncpy( Client->user, User, CLIENT_USER_LEN - 1 );
+ else
+ {
+ Client->user[0] = '~';
+ strncpy( Client->user + 1, User, CLIENT_USER_LEN - 2 );
+ }
+ Client->user[CLIENT_USER_LEN - 1] = '\0';
+} /* Client_SetUser */
+
+
+GLOBAL VOID
+Client_SetInfo( CLIENT *Client, CHAR *Info )
+{
+ /* Hostname eines Clients setzen */
+
+ assert( Client != NULL );
+ assert( Info != NULL );
+
+ strncpy( Client->info, Info, CLIENT_INFO_LEN - 1 );
+ Client->info[CLIENT_INFO_LEN - 1] = '\0';
+} /* Client_SetInfo */
+
+
+GLOBAL VOID
+Client_SetModes( CLIENT *Client, CHAR *Modes )
+{
+ /* Modes eines Clients setzen */
+
+ assert( Client != NULL );
+ assert( Modes != NULL );
+
+ strncpy( Client->modes, Modes, CLIENT_MODE_LEN - 1 );
+ Client->modes[CLIENT_MODE_LEN - 1] = '\0';
+} /* Client_SetModes */
+
+
+GLOBAL VOID
+Client_SetFlags( CLIENT *Client, CHAR *Flags )
+{
+ /* Flags eines Clients setzen */
+
+ assert( Client != NULL );
+ assert( Flags != NULL );
+
+ strncpy( Client->flags, Flags, CLIENT_FLAGS_LEN - 1 );
+ Client->flags[CLIENT_FLAGS_LEN - 1] = '\0';
+} /* Client_SetFlags */
+
+
+GLOBAL VOID
+Client_SetPassword( CLIENT *Client, CHAR *Pwd )
+{
+ /* Von einem Client geliefertes Passwort */
+
+ assert( Client != NULL );
+ assert( Pwd != NULL );
+
+ strncpy( Client->pwd, Pwd, CLIENT_PASS_LEN - 1 );
+ Client->pwd[CLIENT_PASS_LEN - 1] = '\0';
+} /* Client_SetPassword */
+
+
+GLOBAL VOID
+Client_SetAway( CLIENT *Client, CHAR *Txt )
+{
+ /* Von einem Client gelieferte AWAY-Nachricht */
+
+ assert( Client != NULL );
+
+ if( Txt )
+ {
+ /* Client AWAY setzen */
+ strncpy( Client->away, Txt, CLIENT_AWAY_LEN - 1 );
+ Client->away[CLIENT_AWAY_LEN - 1] = '\0';
+ Client_ModeAdd( Client, 'a' );
+ Log( LOG_DEBUG, "User \"%s\" is away: %s", Client_Mask( Client ), Txt );
+ }
+ else
+ {
+ /* AWAY loeschen */
+ Client_ModeDel( Client, 'a' );
+ Log( LOG_DEBUG, "User \"%s\" is no longer away.", Client_Mask( Client ));
+ }
+} /* Client_SetAway */
+
+
+GLOBAL VOID
+Client_SetType( CLIENT *Client, INT Type )
+{
+ assert( Client != NULL );
+ Client->type = Type;
+ if( Type == CLIENT_SERVER ) Generate_MyToken( Client );
+} /* Client_SetType */
+
+
+GLOBAL VOID
+Client_SetHops( CLIENT *Client, INT Hops )
+{
+ assert( Client != NULL );
+ Client->hops = Hops;
+} /* Client_SetHops */
+
+
+GLOBAL VOID
+Client_SetToken( CLIENT *Client, INT Token )
+{
+ assert( Client != NULL );
+ Client->token = Token;
+} /* Client_SetToken */
+
+
+GLOBAL VOID
+Client_SetIntroducer( CLIENT *Client, CLIENT *Introducer )
+{
+ assert( Client != NULL );
+ assert( Introducer != NULL );
+ Client->introducer = Introducer;
+} /* Client_SetIntroducer */
+
+
+GLOBAL VOID
+Client_SetOperByMe( CLIENT *Client, BOOLEAN OperByMe )
+{
+ assert( Client != NULL );
+ Client->oper_by_me = OperByMe;
+} /* Client_SetOperByMe */
+
+
+GLOBAL BOOLEAN
+Client_ModeAdd( CLIENT *Client, CHAR Mode )
+{
+ /* Mode soll gesetzt werden. TRUE wird geliefert, wenn der
+ * Mode neu gesetzt wurde, FALSE, wenn der Client den Mode
+ * bereits hatte. */
+
+ CHAR x[2];
+
+ assert( Client != NULL );
+
+ x[0] = Mode; x[1] = '\0';
+ if( ! strchr( Client->modes, x[0] ))
+ {
+ /* Client hat den Mode noch nicht -> setzen */
+ strcat( Client->modes, x );
+ return TRUE;
+ }
+ else return FALSE;
+} /* Client_ModeAdd */
+
+
+GLOBAL BOOLEAN
+Client_ModeDel( CLIENT *Client, CHAR Mode )
+{
+ /* Mode soll geloescht werden. TRUE wird geliefert, wenn der
+ * Mode entfernt wurde, FALSE, wenn der Client den Mode
+ * ueberhaupt nicht hatte. */
+
+ CHAR x[2], *p;
+
+ assert( Client != NULL );
+
+ x[0] = Mode; x[1] = '\0';
+
+ p = strchr( Client->modes, x[0] );
+ if( ! p ) return FALSE;
+
+ /* Client hat den Mode -> loeschen */
+ while( *p )
+ {
+ *p = *(p + 1);
+ p++;
+ }
+ return TRUE;
+} /* Client_ModeDel */
+
+
+GLOBAL CLIENT *
+Client_GetFromConn( CONN_ID Idx )
+{
+ /* Client-Struktur, die zur lokalen Verbindung Idx gehoert,
+ * liefern. Wird keine gefunden, so wird NULL geliefert. */
+
+ CLIENT *c;
+
+ assert( Idx >= 0 );
+
+ c = My_Clients;
+ while( c )
+ {
+ if( c->conn_id == Idx ) return c;
+ c = (CLIENT *)c->next;
+ }
+ return NULL;
+} /* Client_GetFromConn */
+
+
+GLOBAL CLIENT *
+Client_Search( CHAR *Nick )
+{
+ /* Client-Struktur, die den entsprechenden Nick hat, liefern.
+ * Wird keine gefunden, so wird NULL geliefert. */
+
+ CHAR search_id[CLIENT_ID_LEN], *ptr;
+ CLIENT *c = NULL;
+ UINT32 search_hash;
+
+ assert( Nick != NULL );
+
+ /* Nick kopieren und ggf. Host-Mask abschneiden */
+ strncpy( search_id, Nick, CLIENT_ID_LEN - 1 );
+ search_id[CLIENT_ID_LEN - 1] = '\0';
+ ptr = strchr( search_id, '!' );
+ if( ptr ) *ptr = '\0';
+
+ search_hash = Hash( search_id );
+
+ c = My_Clients;
+ while( c )
+ {
+ if( c->hash == search_hash )
+ {
+ /* lt. Hash-Wert: Treffer! */
+ if( strcasecmp( c->id, search_id ) == 0 ) return c;
+ }
+ c = (CLIENT *)c->next;
+ }
+ return NULL;
+} /* Client_Search */
+
+
+GLOBAL CLIENT *
+Client_GetFromToken( CLIENT *Client, INT Token )
+{
+ /* Client-Struktur, die den entsprechenden Introducer (=Client)
+ * und das gegebene Token hat, liefern. Wird keine gefunden,
+ * so wird NULL geliefert. */
+
+ CLIENT *c;
+
+ assert( Client != NULL );
+ assert( Token > 0 );
+
+ c = My_Clients;
+ while( c )
+ {
+ if(( c->type == CLIENT_SERVER ) && ( c->introducer == Client ) && ( c->token == Token )) return c;
+ c = (CLIENT *)c->next;
+ }
+ return NULL;
+} /* Client_GetFromToken */
+
+
+GLOBAL INT
+Client_Type( CLIENT *Client )
+{
+ assert( Client != NULL );
+ return Client->type;
+} /* Client_Type */
+
+
+GLOBAL CONN_ID
+Client_Conn( CLIENT *Client )
+{
+ assert( Client != NULL );
+ return Client->conn_id;
+} /* Client_Conn */
+
+
+GLOBAL CHAR *
+Client_ID( CLIENT *Client )
+{
+ assert( Client != NULL );
+
+#ifdef DEBUG
+ if( Client->type == CLIENT_USER ) assert( strlen( Client->id ) < CLIENT_NICK_LEN );
+#endif
+
+ if( Client->id[0] ) return Client->id;
+ else return "*";
+} /* Client_ID */
+
+
+GLOBAL CHAR *
+Client_Info( CLIENT *Client )
+{
+ assert( Client != NULL );
+ return Client->info;
+} /* Client_Info */
+
+
+GLOBAL CHAR *
+Client_User( CLIENT *Client )
+{
+ assert( Client != NULL );
+ if( Client->user[0] ) return Client->user;
+ else return "~";
+} /* Client_User */
+
+
+GLOBAL CHAR *
+Client_Hostname( CLIENT *Client )
+{
+ assert( Client != NULL );
+ return Client->host;
+} /* Client_Hostname */
+
+
+GLOBAL CHAR *
+Client_Password( CLIENT *Client )
+{
+ assert( Client != NULL );
+ return Client->pwd;
+} /* Client_Password */
+
+
+GLOBAL CHAR *
+Client_Modes( CLIENT *Client )
+{
+ assert( Client != NULL );
+ return Client->modes;
+} /* Client_Modes */
+
+
+GLOBAL CHAR *
+Client_Flags( CLIENT *Client )
+{
+ assert( Client != NULL );
+ return Client->flags;
+} /* Client_Flags */
+
+
+GLOBAL BOOLEAN
+Client_OperByMe( CLIENT *Client )
+{
+ assert( Client != NULL );
+ return Client->oper_by_me;
+} /* Client_OperByMe */
+
+
+GLOBAL INT
+Client_Hops( CLIENT *Client )
+{
+ assert( Client != NULL );
+ return Client->hops;
+} /* Client_Hops */
+
+
+GLOBAL INT
+Client_Token( CLIENT *Client )
+{
+ assert( Client != NULL );
+ return Client->token;
+} /* Client_Token */
+
+
+GLOBAL INT
+Client_MyToken( CLIENT *Client )
+{
+ assert( Client != NULL );
+ return Client->mytoken;
+} /* Client_MyToken */
+
+
+GLOBAL CLIENT *
+Client_NextHop( CLIENT *Client )
+{
+ CLIENT *c;
+
+ assert( Client != NULL );
+
+ c = Client;
+ while( c->introducer && ( c->introducer != c ) && ( c->introducer != This_Server )) c = c->introducer;
+ return c;
+} /* Client_NextHop */
+
+
+GLOBAL CHAR *
+Client_Mask( CLIENT *Client )
+{
+ /* Client-"ID" liefern, wie sie z.B. fuer
+ * Prefixe benoetigt wird. */
+
+ assert( Client != NULL );
+
+ if( Client->type == CLIENT_SERVER ) return Client->id;
+
+ snprintf( GetID_Buffer, GETID_LEN, "%s!%s@%s", Client->id, Client->user, Client->host );
+ return GetID_Buffer;
+} /* Client_Mask */
+
+
+GLOBAL CLIENT *
+Client_Introducer( CLIENT *Client )
+{
+ assert( Client != NULL );
+ return Client->introducer;
+} /* Client_Introducer */
+
+
+GLOBAL CLIENT *
+Client_TopServer( CLIENT *Client )
+{
+ assert( Client != NULL );
+ return Client->topserver;
+} /* Client_TopServer */
+
+
+GLOBAL BOOLEAN
+Client_HasMode( CLIENT *Client, CHAR Mode )
+{
+ assert( Client != NULL );
+ return strchr( Client->modes, Mode ) != NULL;
+} /* Client_HasMode */
+
+
+GLOBAL CHAR *
+Client_Away( CLIENT *Client )
+{
+ /* AWAY-Text liefern */
+
+ assert( Client != NULL );
+ return Client->away;
+} /* Client_Away */
+
+
+GLOBAL BOOLEAN
+Client_CheckNick( CLIENT *Client, CHAR *Nick )
+{
+ /* Nick ueberpruefen */
+
+ assert( Client != NULL );
+ assert( Nick != NULL );
+
+ /* Nick ungueltig? */
+ if( ! Client_IsValidNick( Nick ))
+ {
+ IRC_WriteStrClient( Client, ERR_ERRONEUSNICKNAME_MSG, Client_ID( Client ), Nick );
+ return FALSE;
+ }
+
+ /* Nick bereits vergeben? */
+ if( Client_Search( Nick ))
+ {
+ /* den Nick gibt es bereits */
+ IRC_WriteStrClient( Client, ERR_NICKNAMEINUSE_MSG, Client_ID( Client ), Nick );
+ return FALSE;
+ }
+
+ return TRUE;
+} /* Client_CheckNick */
+
+
+GLOBAL BOOLEAN
+Client_CheckID( CLIENT *Client, CHAR *ID )
+{
+ /* Nick ueberpruefen */
+
+ CHAR str[COMMAND_LEN];
+ CLIENT *c;
+
+ assert( Client != NULL );
+ assert( Client->conn_id > NONE );
+ assert( ID != NULL );
+
+ /* Nick zu lang? */
+ if( strlen( ID ) > CLIENT_ID_LEN )
+ {
+ IRC_WriteStrClient( Client, ERR_ERRONEUSNICKNAME_MSG, Client_ID( Client ), ID );
+ return FALSE;
+ }
+
+ /* ID bereits vergeben? */
+ c = My_Clients;
+ while( c )
+ {
+ if( strcasecmp( c->id, ID ) == 0 )
+ {
+ /* die Server-ID gibt es bereits */
+ sprintf( str, "ID \"%s\" already registered!", ID );
+ Log( LOG_ERR, "%s (on connection %d)", str, Client->conn_id );
+ Conn_Close( Client->conn_id, str, str, TRUE );
+ return FALSE;
+ }
+ c = (CLIENT *)c->next;
+ }
+
+ return TRUE;
+} /* Client_CheckID */
+
+
+GLOBAL CLIENT *
+Client_First( VOID )
+{
+ /* Ersten Client liefern. */
+
+ return My_Clients;
+} /* Client_First */
+
+
+GLOBAL CLIENT *
+Client_Next( CLIENT *c )
+{
+ /* Naechsten Client liefern. Existiert keiner,
+ * so wird NULL geliefert. */
+
+ assert( c != NULL );
+ return (CLIENT *)c->next;
+} /* Client_Next */
+
+
+GLOBAL LONG
+Client_UserCount( VOID )
+{
+ return Count( CLIENT_USER );
+} /* Client_UserCount */
+
+
+GLOBAL LONG
+Client_ServiceCount( VOID )
+{
+ return Count( CLIENT_SERVICE );;
+} /* Client_ServiceCount */
+
+
+GLOBAL LONG
+Client_ServerCount( VOID )
+{
+ return Count( CLIENT_SERVER );
+} /* Client_ServerCount */
+
+
+GLOBAL LONG
+Client_MyUserCount( VOID )
+{
+ return MyCount( CLIENT_USER );
+} /* Client_MyUserCount */
+
+
+GLOBAL LONG
+Client_MyServiceCount( VOID )
+{
+ return MyCount( CLIENT_SERVICE );
+} /* Client_MyServiceCount */
+
+
+GLOBAL LONG
+Client_MyServerCount( VOID )
+{
+ CLIENT *c;
+ LONG cnt;
+
+ cnt = 0;
+ c = My_Clients;
+ while( c )
+ {
+ if(( c->type == CLIENT_SERVER ) && ( c->hops == 1 )) cnt++;
+ c = (CLIENT *)c->next;
+ }
+ return cnt;
+} /* Client_MyServerCount */
+
+
+GLOBAL LONG
+Client_OperCount( VOID )
+{
+ CLIENT *c;
+ LONG cnt;
+
+ cnt = 0;
+ c = My_Clients;
+ while( c )
+ {
+ if( c && ( c->type == CLIENT_USER ) && ( strchr( c->modes, 'o' ))) cnt++;
+ c = (CLIENT *)c->next;
+ }
+ return cnt;
+} /* Client_OperCount */
+
+
+GLOBAL LONG
+Client_UnknownCount( VOID )
+{
+ CLIENT *c;
+ LONG cnt;
+
+ cnt = 0;
+ c = My_Clients;
+ while( c )
+ {
+ if( c && ( c->type != CLIENT_USER ) && ( c->type != CLIENT_SERVICE ) && ( c->type != CLIENT_SERVER )) cnt++;
+ c = (CLIENT *)c->next;
+ }
+ return cnt;
+} /* Client_UnknownCount */
+
+
+GLOBAL BOOLEAN
+Client_IsValidNick( CHAR *Nick )
+{
+ /* Ist der Nick gueltig? */
+
+ CHAR *ptr, goodchars[20];
+
+ assert( Nick != NULL );
+
+ strcpy( goodchars, ";0123456789-" );
+
+ if( Nick[0] == '#' ) return FALSE;
+ if( strchr( goodchars, Nick[0] )) return FALSE;
+ if( strlen( Nick ) >= CLIENT_NICK_LEN ) return FALSE;
+
+ ptr = Nick;
+ while( *ptr )
+ {
+ if(( *ptr < 'A' ) && ( ! strchr( goodchars, *ptr ))) return FALSE;
+ if(( *ptr > '}' ) && ( ! strchr( goodchars, *ptr ))) return FALSE;
+ ptr++;
+ }
+
+ return TRUE;
+} /* Client_IsValidNick */
+
+
+LOCAL LONG
+Count( CLIENT_TYPE Type )
+{
+ CLIENT *c;
+ LONG cnt;
+
+ cnt = 0;
+ c = My_Clients;
+ while( c )
+ {
+ if( c->type == Type ) cnt++;
+ c = (CLIENT *)c->next;
+ }
+ return cnt;
+} /* Count */
+
+
+LOCAL LONG
+MyCount( CLIENT_TYPE Type )
+{
+ CLIENT *c;
+ LONG cnt;
+
+ cnt = 0;
+ c = My_Clients;
+ while( c )
+ {
+ if(( c->introducer == This_Server ) && ( c->type == Type )) cnt++;
+ c = (CLIENT *)c->next;
+ }
+ return cnt;
+} /* MyCount */
+
+
+LOCAL CLIENT *
+New_Client_Struct( VOID )
+{
+ /* Neue CLIENT-Struktur pre-initialisieren */
+
CLIENT *c;
- INT i;
c = malloc( sizeof( CLIENT ));
if( ! c )
{
- Log( LOG_EMERG, "Can't allocate memory!" );
+ Log( LOG_EMERG, "Can't allocate memory! [New_Client_Struct]" );
return NULL;
}
c->next = NULL;
+ c->hash = 0;
c->type = CLIENT_UNKNOWN;
c->conn_id = NONE;
c->introducer = NULL;
- strcpy( c->nick, "" );
- strcpy( c->pass, "" );
- for( i = 0; i < MAX_CHANNELS; c->channels[i++] = NULL );
-
+ c->topserver = NULL;
+ strcpy( c->id, "" );
+ strcpy( c->pwd, "" );
+ strcpy( c->host, "" );
+ strcpy( c->user, "" );
+ strcpy( c->info, "" );
+ strcpy( c->modes, "" );
+ c->oper_by_me = FALSE;
+ c->hops = -1;
+ c->token = -1;
+ c->mytoken = -1;
+ strcpy( c->away, "" );
+ strcpy( c->flags, "" );
+
return c;
} /* New_Client */
+LOCAL VOID
+Generate_MyToken( CLIENT *Client )
+{
+ CLIENT *c;
+ INT token;
+
+ c = My_Clients;
+ token = 2;
+ while( c )
+ {
+ if( c->mytoken == token )
+ {
+ /* Das Token wurde bereits vergeben */
+ token++;
+ c = My_Clients;
+ continue;
+ }
+ else c = (CLIENT *)c->next;
+ }
+ Client->mytoken = token;
+ Log( LOG_DEBUG, "Assigned token %d to server \"%s\".", token, Client->id );
+} /* Generate_MyToken */
+
+
/* -eof- */
projects / ngircd-alex.git / blobdiff