X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd-alex.git;a=blobdiff_plain;f=src%2Fngircd%2Fconf.c;h=1ea1fe741ef3397c35a6d151c1bac575c4c1eec7;hp=5589e021c931b0890ceb7cca571e00d5928ade1a;hb=7281b8dd4d917f8b7f7c36460b78b686427ce973;hpb=b20fa7c6e63115963be462ba9cb60b0cbc654ede diff --git a/src/ngircd/conf.c b/src/ngircd/conf.c index 5589e021..1ea1fe74 100644 --- a/src/ngircd/conf.c +++ b/src/ngircd/conf.c @@ -1,224 +1,992 @@ /* * ngIRCd -- The Next Generation IRC Daemon - * Copyright (c)2001 by Alexander Barton (alex@barton.de) + * Copyright (c)2001,2002 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 ngIRCd beteiligten Autoren finden Sie in der Datei AUTHORS. + * 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. * - * $Id: conf.c,v 1.7 2002/01/01 18:25:44 alex Exp $ - * - * conf.h: Konfiguration des ngircd - * - * $Log: conf.c,v $ - * Revision 1.7 2002/01/01 18:25:44 alex - * - #include's fuer stdlib.h ergaenzt. - * - * Revision 1.6 2001/12/31 02:18:51 alex - * - viele neue Befehle (WHOIS, ISON, OPER, DIE, RESTART), - * - neuen Header "defines.h" mit (fast) allen Konstanten. - * - Code Cleanups und viele "kleine" Aenderungen & Bugfixes. - * - * Revision 1.5 2001/12/30 19:26:11 alex - * - Unterstuetzung fuer die Konfigurationsdatei eingebaut. - * - * Revision 1.4 2001/12/26 22:48:53 alex - * - MOTD-Datei ist nun konfigurierbar und wird gelesen. - * - * Revision 1.3 2001/12/26 14:45:37 alex - * - "Code Cleanups". - * - * Revision 1.2 2001/12/26 03:19:57 alex - * - erste Konfigurations-Variablen definiert: PING/PONG-Timeout. - * - * Revision 1.1 2001/12/12 17:18:20 alex - * - Modul fuer Server-Konfiguration begonnen. + * Configuration management (reading, parsing & validation) */ -#include -#include "global.h" +#include "portab.h" + +static char UNUSED id[] = "$Id: conf.c,v 1.64 2004/05/07 11:19:21 alex Exp $"; -#include +#include "imp.h" #include #include +#include #include #include #include +#include +#include +#include +#include +#include +#include +#ifdef HAVE_CTYPE_H +# include +#endif + +#include "ngircd.h" +#include "conn.h" #include "client.h" +#include "defines.h" #include "log.h" +#include "resolve.h" #include "tool.h" -#include +#include "exp.h" #include "conf.h" -LOCAL VOID Read_Config( VOID ); -LOCAL VOID Validate_Config( VOID ); +LOCAL BOOLEAN Use_Log = TRUE; +LOCAL CONF_SERVER New_Server; +LOCAL INT New_Server_Idx; + + +LOCAL VOID Set_Defaults PARAMS(( BOOLEAN InitServers )); +LOCAL VOID Read_Config PARAMS(( VOID )); +LOCAL VOID Validate_Config PARAMS(( BOOLEAN TestOnly )); + +LOCAL VOID Handle_GLOBAL PARAMS(( INT Line, CHAR *Var, CHAR *Arg )); +LOCAL VOID Handle_OPERATOR PARAMS(( INT Line, CHAR *Var, CHAR *Arg )); +LOCAL VOID Handle_SERVER PARAMS(( INT Line, CHAR *Var, CHAR *Arg )); +LOCAL VOID Handle_CHANNEL PARAMS(( INT Line, CHAR *Var, CHAR *Arg )); + +LOCAL VOID Config_Error PARAMS(( CONST INT Level, CONST CHAR *Format, ... )); + +LOCAL VOID Init_Server_Struct PARAMS(( CONF_SERVER *Server )); + + +GLOBAL VOID +Conf_Init( VOID ) +{ + Set_Defaults( TRUE ); + Read_Config( ); + Validate_Config( FALSE ); +} /* Config_Init */ + +GLOBAL VOID +Conf_Rehash( VOID ) +{ + Set_Defaults( FALSE ); + Read_Config( ); + Validate_Config( FALSE ); +} /* Config_Rehash */ -GLOBAL VOID Conf_Init( VOID ) + +GLOBAL INT +Conf_Test( VOID ) { - /* Konfigurationsvariablen initialisieren: zunaechst Default- - * Werte setzen, dann Konfigurationsdtaei einlesen. */ + /* Read configuration, validate and output it. */ + + struct passwd *pwd; + struct group *grp; + INT i; + + Use_Log = FALSE; + Set_Defaults( TRUE ); + + Read_Config( ); + Validate_Config( TRUE ); - strcpy( Conf_File, "/usr/local/etc/ngircd.conf" ); + /* If stdin is a valid tty wait for a key: */ + if( isatty( fileno( stdout ))) + { + puts( "OK, press enter to see a dump of your service configuration ..." ); + getchar( ); + } + else puts( "Ok, dump of your server configuration follows:\n" ); + + puts( "[GLOBAL]" ); + printf( " ServerName = %s\n", Conf_ServerName ); + printf( " ServerInfo = %s\n", Conf_ServerInfo ); + printf( " Password = %s\n", Conf_ServerPwd ); + printf( " AdminInfo1 = %s\n", Conf_ServerAdmin1 ); + printf( " AdminInfo2 = %s\n", Conf_ServerAdmin2 ); + printf( " AdminEMail = %s\n", Conf_ServerAdminMail ); + printf( " MotdFile = %s\n", Conf_MotdFile ); + printf( " MotdPhrase = %s\n", Conf_MotdPhrase ); + printf( " ChrootDir= %s\n", Conf_Chroot ); + printf( " Ports = " ); + for( i = 0; i < Conf_ListenPorts_Count; i++ ) + { + if( i != 0 ) printf( ", " ); + printf( "%u", Conf_ListenPorts[i] ); + } + puts( "" ); + printf( " Listen = %s\n", Conf_ListenAddress ); + pwd = getpwuid( Conf_UID ); + if( pwd ) printf( " ServerUID = %s\n", pwd->pw_name ); + else printf( " ServerUID = %ld\n", (LONG)Conf_UID ); + grp = getgrgid( Conf_GID ); + if( grp ) printf( " ServerGID = %s\n", grp->gr_name ); + else printf( " ServerGID = %ld\n", (LONG)Conf_GID ); + printf( " PingTimeout = %d\n", Conf_PingTimeout ); + printf( " PongTimeout = %d\n", Conf_PongTimeout ); + printf( " ConnectRetry = %d\n", Conf_ConnectRetry ); + printf( " OperCanUseMode = %s\n", Conf_OperCanMode == TRUE ? "yes" : "no" ); + if( Conf_MaxConnections > 0 ) printf( " MaxConnections = %ld\n", Conf_MaxConnections ); + else printf( " MaxConnections = -1\n" ); + if( Conf_MaxConnectionsIP > 0 ) printf( " MaxConnectionsIP = %d\n", Conf_MaxConnectionsIP ); + else printf( " MaxConnectionsIP = -1\n" ); + if( Conf_MaxJoins > 0 ) printf( " MaxJoins = %d\n", Conf_MaxJoins ); + else printf( " MaxJoins = -1\n" ); + puts( "" ); + + for( i = 0; i < Conf_Oper_Count; i++ ) + { + if( ! Conf_Oper[i].name[0] ) continue; + + /* Valid "Operator" section */ + puts( "[OPERATOR]" ); + printf( " Name = %s\n", Conf_Oper[i].name ); + printf( " Password = %s\n", Conf_Oper[i].pwd ); + puts( "" ); + } + + for( i = 0; i < MAX_SERVERS; i++ ) + { + if( ! Conf_Server[i].name[0] ) continue; + + /* Valid "Server" section */ + puts( "[SERVER]" ); + printf( " Name = %s\n", Conf_Server[i].name ); + printf( " Host = %s\n", Conf_Server[i].host ); + printf( " Port = %d\n", Conf_Server[i].port ); + printf( " MyPassword = %s\n", Conf_Server[i].pwd_in ); + printf( " PeerPassword = %s\n", Conf_Server[i].pwd_out ); + printf( " Group = %d\n", Conf_Server[i].group ); + puts( "" ); + } + + for( i = 0; i < Conf_Channel_Count; i++ ) + { + if( ! Conf_Channel[i].name[0] ) continue; + + /* Valid "Channel" section */ + puts( "[CHANNEL]" ); + printf( " Name = %s\n", Conf_Channel[i].name ); + printf( " Modes = %s\n", Conf_Channel[i].modes ); + printf( " Topic = %s\n", Conf_Channel[i].topic ); + puts( "" ); + } + + return 0; +} /* Conf_Test */ + + +GLOBAL VOID +Conf_UnsetServer( CONN_ID Idx ) +{ + /* Set next time for next connection attempt, if this is a server + * link that is (still) configured here. If the server is set as + * "once", delete it from our configuration. + * Non-Server-Connections will be silently ignored. */ + + INT i; + + /* Check all our configured servers */ + for( i = 0; i < MAX_SERVERS; i++ ) + { + if( Conf_Server[i].conn_id != Idx ) continue; + + /* Gotcha! Mark server configuration as "unused": */ + Conf_Server[i].conn_id = NONE; + + if( Conf_Server[i].flags & CONF_SFLAG_ONCE ) + { + /* Delete configuration here */ + Init_Server_Struct( &Conf_Server[i] ); + } + else + { + /* Set time for next connect attempt */ + if( Conf_Server[i].lasttry < time( NULL ) - Conf_ConnectRetry ) + { + /* Okay, the connection was established "long enough": */ + Conf_Server[i].lasttry = time( NULL ) - Conf_ConnectRetry + RECONNECT_DELAY; + } + } + } +} /* Conf_UnsetServer */ + + +GLOBAL VOID +Conf_SetServer( INT ConfServer, CONN_ID Idx ) +{ + /* Set connection for specified configured server */ + + assert( ConfServer > NONE ); + assert( Idx > NONE ); + + Conf_Server[ConfServer].conn_id = Idx; +} /* Conf_SetServer */ + + +GLOBAL INT +Conf_GetServer( CONN_ID Idx ) +{ + /* Get index of server in configuration structure */ + + INT i = 0; + + assert( Idx > NONE ); + + for( i = 0; i < MAX_SERVERS; i++ ) + { + if( Conf_Server[i].conn_id == Idx ) return i; + } + return NONE; +} /* Conf_GetServer */ + + +GLOBAL BOOLEAN +Conf_EnableServer( CHAR *Name, INT Port ) +{ + /* Enable specified server and adjust port */ + + INT i; + + assert( Name != NULL ); + + for( i = 0; i < MAX_SERVERS; i++ ) + { + if( strcasecmp( Conf_Server[i].name, Name ) == 0 ) + { + /* Gotcha! Set port and enable server: */ + Conf_Server[i].port = Port; + Conf_Server[i].flags &= ~CONF_SFLAG_DISABLED; + return TRUE; + } + } + return FALSE; +} /* Conf_EnableServer */ + + +GLOBAL BOOLEAN +Conf_DisableServer( CHAR *Name ) +{ + /* Enable specified server and adjust port */ + + INT i; + + assert( Name != NULL ); + + for( i = 0; i < MAX_SERVERS; i++ ) + { + if( strcasecmp( Conf_Server[i].name, Name ) == 0 ) + { + /* Gotcha! Disable and disconnect server: */ + Conf_Server[i].flags |= CONF_SFLAG_DISABLED; + if( Conf_Server[i].conn_id > NONE ) Conn_Close( Conf_Server[i].conn_id, NULL, "Server link terminated on operator request", TRUE ); + return TRUE; + } + } + return FALSE; +} /* Conf_DisableServer */ + + +GLOBAL BOOLEAN +Conf_AddServer( CHAR *Name, INT Port, CHAR *Host, CHAR *MyPwd, CHAR *PeerPwd ) +{ + /* Add new server to configuration */ + + INT i; + + assert( Name != NULL ); + assert( Host != NULL ); + assert( MyPwd != NULL ); + assert( PeerPwd != NULL ); + + /* Search unused item in server configuration structure */ + for( i = 0; i < MAX_SERVERS; i++ ) + { + /* Is this item used? */ + if( ! Conf_Server[i].name[0] ) break; + } + if( i >= MAX_SERVERS ) return FALSE; + + Init_Server_Struct( &Conf_Server[i] ); + strlcpy( Conf_Server[i].name, Name, sizeof( Conf_Server[i].name )); + strlcpy( Conf_Server[i].host, Host, sizeof( Conf_Server[i].host )); + strlcpy( Conf_Server[i].pwd_out, MyPwd, sizeof( Conf_Server[i].pwd_out )); + strlcpy( Conf_Server[i].pwd_in, PeerPwd, sizeof( Conf_Server[i].pwd_in )); + Conf_Server[i].port = Port; + Conf_Server[i].flags = CONF_SFLAG_ONCE; + + return TRUE; +} /* Conf_AddServer */ + + +LOCAL VOID +Set_Defaults( BOOLEAN InitServers ) +{ + /* Initialize configuration variables with default values. */ + + INT i; strcpy( Conf_ServerName, "" ); - strcpy( Conf_ServerInfo, PACKAGE" "VERSION ); + sprintf( Conf_ServerInfo, "%s %s", PACKAGE_NAME, PACKAGE_VERSION ); + strcpy( Conf_ServerPwd, "" ); + + strcpy( Conf_ServerAdmin1, "" ); + strcpy( Conf_ServerAdmin2, "" ); + strcpy( Conf_ServerAdminMail, "" ); - strcpy( Conf_Oper, "" ); - strcpy( Conf_OperPwd, "" ); + strlcpy( Conf_MotdFile, SYSCONFDIR, sizeof( Conf_MotdFile )); + strlcat( Conf_MotdFile, MOTD_FILE, sizeof( Conf_MotdFile )); - strcpy( Conf_MotdFile, "/usr/local/etc/ngircd.motd" ); + strlcpy( Conf_MotdPhrase, MOTD_PHRASE, sizeof( Conf_MotdPhrase )); + + strlcpy( Conf_Chroot, CHROOT_DIR, sizeof( Conf_Chroot )); Conf_ListenPorts_Count = 0; + strcpy( Conf_ListenAddress, "" ); + + Conf_UID = Conf_GID = 0; Conf_PingTimeout = 120; - Conf_PongTimeout = 10; + Conf_PongTimeout = 20; - /* Konfigurationsdatei einlesen und validieren */ - Read_Config( ); - Validate_Config( ); -} /* Config_Init */ + Conf_ConnectRetry = 60; + Conf_Oper_Count = 0; + Conf_Channel_Count = 0; -GLOBAL VOID Conf_Exit( VOID ) -{ - /* ... */ -} /* Config_Exit */ + Conf_OperCanMode = FALSE; + + Conf_MaxConnections = -1; + Conf_MaxConnectionsIP = 5; + Conf_MaxJoins = 10; + /* Initialize server configuration structures */ + if( InitServers ) for( i = 0; i < MAX_SERVERS; Init_Server_Struct( &Conf_Server[i++] )); +} /* Set_Defaults */ -LOCAL VOID Read_Config( VOID ) + +LOCAL VOID +Read_Config( VOID ) { - /* Konfigurationsdatei einlesen. */ + /* Read configuration file. */ - CHAR str[LINE_LEN], *var, *arg, *ptr; - BOOLEAN ok; - INT32 port; - INT line; + CHAR section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr; + INT line, i, n; FILE *fd; - fd = fopen( Conf_File, "r" ); + /* Open configuration file */ + fd = fopen( NGIRCd_ConfFile, "r" ); if( ! fd ) { - /* Keine Konfigurationsdatei gefunden */ - Log( LOG_ALERT, "Can't read configuration \"%s\": %s", Conf_File, strerror( errno )); - Log( LOG_ALERT, PACKAGE" exiting due to fatal errors!" ); + /* No configuration file found! */ + Config_Error( LOG_ALERT, "Can't read configuration \"%s\": %s", NGIRCd_ConfFile, strerror( errno )); + Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME ); exit( 1 ); } + Config_Error( LOG_INFO, "Reading configuration from \"%s\" ...", NGIRCd_ConfFile ); + + /* Clean up server configuration structure: mark all already + * configured servers as "once" so that they are deleted + * after the next disconnect and delete all unused servers. + * And delete all servers which are "duplicates" of servers + * that are already marked as "once" (such servers have been + * created by the last rehash but are now useless). */ + for( i = 0; i < MAX_SERVERS; i++ ) + { + if( Conf_Server[i].conn_id == NONE ) Init_Server_Struct( &Conf_Server[i] ); + else + { + /* This structure is in use ... */ + if( Conf_Server[i].flags & CONF_SFLAG_ONCE ) + { + /* Check for duplicates */ + for( n = 0; n < MAX_SERVERS; n++ ) + { + if( n == i ) continue; + + if( Conf_Server[i].conn_id == Conf_Server[n].conn_id ) + { + Init_Server_Struct( &Conf_Server[n] ); + Log( LOG_DEBUG, "Deleted unused duplicate server %d (kept %d).", n, i ); + } + } + } + else + { + /* Mark server as "once" */ + Conf_Server[i].flags |= CONF_SFLAG_ONCE; + Log( LOG_DEBUG, "Marked server %d as \"once\"", i ); + } + } + } + + /* Initialize variables */ line = 0; + strcpy( section, "" ); + Init_Server_Struct( &New_Server ); + New_Server_Idx = NONE; + + /* Read configuration file */ while( TRUE ) { - ok = FALSE; - if( ! fgets( str, LINE_LEN, fd )) break; ngt_TrimStr( str ); line++; - /* Kommentarzeilen und leere Zeilen ueberspringen */ + /* Skip comments and empty lines */ if( str[0] == ';' || str[0] == '#' || str[0] == '\0' ) continue; + /* Is this the beginning of a new section? */ + if(( str[0] == '[' ) && ( str[strlen( str ) - 1] == ']' )) + { + strlcpy( section, str, sizeof( section )); + if( strcasecmp( section, "[GLOBAL]" ) == 0 ) continue; + if( strcasecmp( section, "[OPERATOR]" ) == 0 ) + { + if( Conf_Oper_Count + 1 > MAX_OPERATORS ) Config_Error( LOG_ERR, "Too many operators configured." ); + else + { + /* Initialize new operator structure */ + strcpy( Conf_Oper[Conf_Oper_Count].name, "" ); + strcpy( Conf_Oper[Conf_Oper_Count].pwd, "" ); + Conf_Oper_Count++; + } + continue; + } + if( strcasecmp( section, "[SERVER]" ) == 0 ) + { + /* Check if there is already a server to add */ + if( New_Server.name[0] ) + { + /* Copy data to "real" server structure */ + assert( New_Server_Idx > NONE ); + Conf_Server[New_Server_Idx] = New_Server; + } + + /* Re-init structure for new server */ + Init_Server_Struct( &New_Server ); + + /* Search unused item in server configuration structure */ + for( i = 0; i < MAX_SERVERS; i++ ) + { + /* Is this item used? */ + if( ! Conf_Server[i].name[0] ) break; + } + if( i >= MAX_SERVERS ) + { + /* Oops, no free item found! */ + Config_Error( LOG_ERR, "Too many servers configured." ); + New_Server_Idx = NONE; + } + else New_Server_Idx = i; + continue; + } + if( strcasecmp( section, "[CHANNEL]" ) == 0 ) + { + if( Conf_Channel_Count + 1 > MAX_DEFCHANNELS ) Config_Error( LOG_ERR, "Too many pre-defined channels configured." ); + else + { + /* Initialize new channel structure */ + strcpy( Conf_Channel[Conf_Channel_Count].name, "" ); + strcpy( Conf_Channel[Conf_Channel_Count].modes, "" ); + strcpy( Conf_Channel[Conf_Channel_Count].topic, "" ); + Conf_Channel_Count++; + } + continue; + } + Config_Error( LOG_ERR, "%s, line %d: Unknown section \"%s\"!", NGIRCd_ConfFile, line, section ); + section[0] = 0x1; + } + if( section[0] == 0x1 ) continue; + + /* Split line into variable name and parameters */ ptr = strchr( str, '=' ); if( ! ptr ) { - Log( LOG_ERR, "%s, line %d: Syntax error!", Conf_File, line ); + Config_Error( LOG_ERR, "%s, line %d: Syntax error!", NGIRCd_ConfFile, line ); continue; } *ptr = '\0'; - var = str; ngt_TrimStr( var ); arg = ptr + 1; ngt_TrimStr( arg ); - - if( strcasecmp( str, "ServerName" ) == 0 ) - { - /* Der Server-Name */ - strncpy( Conf_ServerName, arg, CLIENT_ID_LEN ); - Conf_ServerName[CLIENT_ID_LEN - 1] = '\0'; - ok = TRUE; - } - else if( strcasecmp( str, "ServerInfo" ) == 0 ) + + if( strcasecmp( section, "[GLOBAL]" ) == 0 ) Handle_GLOBAL( line, var, arg ); + else if( strcasecmp( section, "[OPERATOR]" ) == 0 ) Handle_OPERATOR( line, var, arg ); + else if( strcasecmp( section, "[SERVER]" ) == 0 ) Handle_SERVER( line, var, arg ); + else if( strcasecmp( section, "[CHANNEL]" ) == 0 ) Handle_CHANNEL( line, var, arg ); + else Config_Error( LOG_ERR, "%s, line %d: Variable \"%s\" outside section!", NGIRCd_ConfFile, line, var ); + } + + /* Close configuration file */ + fclose( fd ); + + /* Check if there is still a server to add */ + if( New_Server.name[0] ) + { + /* Copy data to "real" server structure */ + assert( New_Server_Idx > NONE ); + Conf_Server[New_Server_Idx] = New_Server; + } + + /* If there are no ports configured use the default: 6667 */ + if( Conf_ListenPorts_Count < 1 ) + { + Conf_ListenPorts_Count = 1; + Conf_ListenPorts[0] = 6667; + } +} /* Read_Config */ + + +LOCAL VOID +Handle_GLOBAL( INT Line, CHAR *Var, CHAR *Arg ) +{ + struct passwd *pwd; + struct group *grp; + CHAR *ptr; + LONG port; + + assert( Line > 0 ); + assert( Var != NULL ); + assert( Arg != NULL ); + + if( strcasecmp( Var, "Name" ) == 0 ) + { + /* Server name */ + if( strlcpy( Conf_ServerName, Arg, sizeof( Conf_ServerName )) >= sizeof( Conf_ServerName )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"Name\" too long!", NGIRCd_ConfFile, Line ); + return; + } + if( strcasecmp( Var, "Info" ) == 0 ) + { + /* Info text of server */ + if( strlcpy( Conf_ServerInfo, Arg, sizeof( Conf_ServerInfo )) >= sizeof( Conf_ServerInfo )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"Info\" too long!", NGIRCd_ConfFile, Line ); + return; + } + if( strcasecmp( Var, "Password" ) == 0 ) + { + /* Global server password */ + if( strlcpy( Conf_ServerPwd, Arg, sizeof( Conf_ServerPwd )) >= sizeof( Conf_ServerPwd )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"Password\" too long!", NGIRCd_ConfFile, Line ); + return; + } + if( strcasecmp( Var, "AdminInfo1" ) == 0 ) + { + /* Administrative info #1 */ + if( strlcpy( Conf_ServerAdmin1, Arg, sizeof( Conf_ServerAdmin1 )) >= sizeof( Conf_ServerAdmin1 )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"AdminInfo1\" too long!", NGIRCd_ConfFile, Line ); + return; + } + if( strcasecmp( Var, "AdminInfo2" ) == 0 ) + { + /* Administrative info #2 */ + if( strlcpy( Conf_ServerAdmin2, Arg, sizeof( Conf_ServerAdmin2 )) >= sizeof( Conf_ServerAdmin2 )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"AdminInfo2\" too long!", NGIRCd_ConfFile, Line ); + return; + } + if( strcasecmp( Var, "AdminEMail" ) == 0 ) + { + /* Administrative email contact */ + if( strlcpy( Conf_ServerAdminMail, Arg, sizeof( Conf_ServerAdminMail )) >= sizeof( Conf_ServerAdminMail )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"AdminEMail\" too long!", NGIRCd_ConfFile, Line ); + return; + } + if( strcasecmp( Var, "Ports" ) == 0 ) + { + /* Ports on that the server should listen. More port numbers + * must be separated by "," */ + ptr = strtok( Arg, "," ); + while( ptr ) { - /* Server-Info-Text */ - strncpy( Conf_ServerInfo, arg, CLIENT_INFO_LEN ); - Conf_ServerInfo[CLIENT_INFO_LEN - 1] = '\0'; - ok = TRUE; + ngt_TrimStr( ptr ); + port = atol( ptr ); + if( Conf_ListenPorts_Count + 1 > MAX_LISTEN_PORTS ) Config_Error( LOG_ERR, "Too many listen ports configured. Port %ld ignored.", port ); + else + { + if( port > 0 && port < 0xFFFF ) Conf_ListenPorts[Conf_ListenPorts_Count++] = (UINT)port; + else Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Illegal port number %ld!", NGIRCd_ConfFile, Line, port ); + } + ptr = strtok( NULL, "," ); } - else if( strcasecmp( str, "Operator" ) == 0 ) + return; + } + if( strcasecmp( Var, "MotdFile" ) == 0 ) + { + /* "Message of the day" (MOTD) file */ + if( strlcpy( Conf_MotdFile, Arg, sizeof( Conf_MotdFile )) >= sizeof( Conf_MotdFile )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"MotdFile\" too long!", NGIRCd_ConfFile, Line ); + return; + } + if( strcasecmp( Var, "MotdPhrase" ) == 0 ) + { + /* "Message of the day" phrase (instead of file) */ + if( strlcpy( Conf_MotdPhrase, Arg, sizeof( Conf_MotdPhrase )) >= sizeof( Conf_MotdPhrase )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"MotdPhrase\" too long!", NGIRCd_ConfFile, Line ); + return; + } + if( strcasecmp( Var, "ChrootDir" ) == 0 ) + { + /* directory for chroot() */ + if( strlcpy( Conf_Chroot, Arg, sizeof( Conf_Chroot )) >= sizeof( Conf_Chroot )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"ChrootDir\" too long!", NGIRCd_ConfFile, Line ); + return; + } + if( strcasecmp( Var, "ServerUID" ) == 0 ) + { + /* UID the daemon should switch to */ + pwd = getpwnam( Arg ); + if( pwd ) Conf_UID = pwd->pw_uid; + else { - /* Name des IRC Operator */ - strncpy( Conf_Oper, arg, CLIENT_PASS_LEN ); - Conf_Oper[CLIENT_PASS_LEN - 1] = '\0'; - ok = TRUE; +#ifdef HAVE_ISDIGIT + if( ! isdigit( (INT)*Arg )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"ServerUID\" is not a number!", NGIRCd_ConfFile, Line ); + else +#endif + Conf_UID = (UINT)atoi( Arg ); } - else if( strcasecmp( str, "OperatorPwd" ) == 0 ) + return; + } + if( strcasecmp( Var, "ServerGID" ) == 0 ) + { + /* GID the daemon should use */ + grp = getgrnam( Arg ); + if( grp ) Conf_GID = grp->gr_gid; + else { - /* Passwort des IRC Operator */ - strncpy( Conf_OperPwd, arg, CLIENT_PASS_LEN ); - Conf_OperPwd[CLIENT_PASS_LEN - 1] = '\0'; - ok = TRUE; +#ifdef HAVE_ISDIGIT + if( ! isdigit( (INT)*Arg )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"ServerGID\" is not a number!", NGIRCd_ConfFile, Line ); + else +#endif + Conf_GID = (UINT)atoi( Arg ); } - else if( strcasecmp( str, "ListenPorts" ) == 0 ) + return; + } + if( strcasecmp( Var, "PingTimeout" ) == 0 ) + { + /* PING timeout */ + Conf_PingTimeout = atoi( Arg ); + if( Conf_PingTimeout < 5 ) { - /* Ports, durch "," getrennt, auf denen der Server - * Verbindungen annehmen soll */ - ptr = strtok( arg, "," ); - while( ptr ) - { - ngt_TrimStr( ptr ); - port = atol( ptr ); - if( Conf_ListenPorts_Count + 1 > LISTEN_PORTS ) Log( LOG_ERR, "Too many listen ports configured. Port %ld ignored.", port ); - if( port > 0 && port < 0xFFFF ) Conf_ListenPorts[Conf_ListenPorts_Count++] = port; - else Log( LOG_ERR, "Illegal port number: %ld. Ignored.", port ); - ptr = strtok( NULL, "," ); - } - ok = TRUE; + Config_Error( LOG_WARNING, "%s, line %d: Value of \"PingTimeout\" too low!", NGIRCd_ConfFile, Line ); + Conf_PingTimeout = 5; } - else if( strcasecmp( str, "MotdFile" ) == 0 ) + return; + } + if( strcasecmp( Var, "PongTimeout" ) == 0 ) + { + /* PONG timeout */ + Conf_PongTimeout = atoi( Arg ); + if( Conf_PongTimeout < 5 ) { - /* Datei mit der "message of the day" (MOTD) */ - strncpy( Conf_MotdFile, arg, FNAME_LEN ); - Conf_MotdFile[FNAME_LEN - 1] = '\0'; - ok = TRUE; + Config_Error( LOG_WARNING, "%s, line %d: Value of \"PongTimeout\" too low!", NGIRCd_ConfFile, Line ); + Conf_PongTimeout = 5; } - else if( strcasecmp( str, "PingTimeout" ) == 0 ) + return; + } + if( strcasecmp( Var, "ConnectRetry" ) == 0 ) + { + /* Seconds between connection attempts to other servers */ + Conf_ConnectRetry = atoi( Arg ); + if( Conf_ConnectRetry < 5 ) { - /* PING-Timeout */ - Conf_PingTimeout = atoi( arg ); - if(( Conf_PingTimeout ) < 5 ) Conf_PingTimeout = 5; - ok = TRUE; + Config_Error( LOG_WARNING, "%s, line %d: Value of \"ConnectRetry\" too low!", NGIRCd_ConfFile, Line ); + Conf_ConnectRetry = 5; } - else if( strcasecmp( str, "PongTimeout" ) == 0 ) + return; + } + if( strcasecmp( Var, "OperCanUseMode" ) == 0 ) + { + /* Are IRC operators allowed to use MODE in channels they aren't Op in? */ + if( strcasecmp( Arg, "yes" ) == 0 ) Conf_OperCanMode = TRUE; + else if( strcasecmp( Arg, "true" ) == 0 ) Conf_OperCanMode = TRUE; + else if( atoi( Arg ) != 0 ) Conf_OperCanMode = TRUE; + else Conf_OperCanMode = FALSE; + return; + } + if( strcasecmp( Var, "MaxConnections" ) == 0 ) + { + /* Maximum number of connections. Values <= 0 are equal to "no limit". */ +#ifdef HAVE_ISDIGIT + if( ! isdigit( (INT)*Arg )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"MaxConnections\" is not a number!", NGIRCd_ConfFile, Line ); + else +#endif + Conf_MaxConnections = atol( Arg ); + return; + } + if( strcasecmp( Var, "MaxConnectionsIP" ) == 0 ) + { + /* Maximum number of simoultanous connections from one IP. Values <= 0 are equal to "no limit". */ +#ifdef HAVE_ISDIGIT + if( ! isdigit( (INT)*Arg )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"MaxConnectionsIP\" is not a number!", NGIRCd_ConfFile, Line ); + else +#endif + Conf_MaxConnectionsIP = atoi( Arg ); + return; + } + if( strcasecmp( Var, "MaxJoins" ) == 0 ) + { + /* Maximum number of channels a user can join. Values <= 0 are equal to "no limit". */ +#ifdef HAVE_ISDIGIT + if( ! isdigit( (INT)*Arg )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"MaxJoins\" is not a number!", NGIRCd_ConfFile, Line ); + else +#endif + Conf_MaxJoins = atoi( Arg ); + return; + } + if( strcasecmp( Var, "Listen" ) == 0 ) + { + /* IP-Address to bind sockets */ + if( strlcpy( Conf_ListenAddress, Arg, sizeof( Conf_ListenAddress )) >= sizeof( Conf_ListenAddress )) { - /* PONG-Timeout */ - Conf_PongTimeout = atoi( arg ); - if(( Conf_PongTimeout ) < 5 ) Conf_PongTimeout = 5; - ok = TRUE; + Config_Error( LOG_WARNING, "%s, line %d: Value of \"Listen\" too long!", NGIRCd_ConfFile, Line ); } - - if( ! ok ) Log( LOG_ERR, "%s, line %d: Unknown variable \"%s\"!", Conf_File, line, var ); + return; + } + + Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var ); +} /* Handle_GLOBAL */ + + +LOCAL VOID +Handle_OPERATOR( INT Line, CHAR *Var, CHAR *Arg ) +{ + assert( Line > 0 ); + assert( Var != NULL ); + assert( Arg != NULL ); + assert( Conf_Oper_Count > 0 ); + + if( strcasecmp( Var, "Name" ) == 0 ) + { + /* Name of IRC operator */ + if( strlcpy( Conf_Oper[Conf_Oper_Count - 1].name, Arg, sizeof( Conf_Oper[Conf_Oper_Count - 1].name )) >= sizeof( Conf_Oper[Conf_Oper_Count - 1].name )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"Name\" too long!", NGIRCd_ConfFile, Line ); + return; + } + if( strcasecmp( Var, "Password" ) == 0 ) + { + /* Password of IRC operator */ + if( strlcpy( Conf_Oper[Conf_Oper_Count - 1].pwd, Arg, sizeof( Conf_Oper[Conf_Oper_Count - 1].pwd )) >= sizeof( Conf_Oper[Conf_Oper_Count - 1].pwd )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"Password\" too long!", NGIRCd_ConfFile, Line ); + return; } - fclose( fd ); -} /* Read_Config */ + Config_Error( LOG_ERR, "%s, line %d (section \"Operator\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var ); +} /* Handle_OPERATOR */ -LOCAL VOID Validate_Config( VOID ) +LOCAL VOID +Handle_SERVER( INT Line, CHAR *Var, CHAR *Arg ) { - /* Konfiguration ueberpruefen */ + LONG port; + + assert( Line > 0 ); + assert( Var != NULL ); + assert( Arg != NULL ); + + /* Ignore server block if no space is left in server configuration structure */ + if( New_Server_Idx <= NONE ) return; + + if( strcasecmp( Var, "Host" ) == 0 ) + { + /* Hostname of the server */ + if( strlcpy( New_Server.host, Arg, sizeof( New_Server.host )) >= sizeof( New_Server.host )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"Host\" too long!", NGIRCd_ConfFile, Line ); + return; + } + if( strcasecmp( Var, "Name" ) == 0 ) + { + /* Name of the server ("Nick"/"ID") */ + if( strlcpy( New_Server.name, Arg, sizeof( New_Server.name )) >= sizeof( New_Server.name )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"Name\" too long!", NGIRCd_ConfFile, Line ); + return; + } + if( strcasecmp( Var, "MyPassword" ) == 0 ) + { + /* Password of this server which is sent to the peer */ + if( strlcpy( New_Server.pwd_in, Arg, sizeof( New_Server.pwd_in )) >= sizeof( New_Server.pwd_in )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"MyPassword\" too long!", NGIRCd_ConfFile, Line ); + return; + } + if( strcasecmp( Var, "PeerPassword" ) == 0 ) + { + /* Passwort of the peer which must be received */ + if( strlcpy( New_Server.pwd_out, Arg, sizeof( New_Server.pwd_out )) >= sizeof( New_Server.pwd_out )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"PeerPassword\" too long!", NGIRCd_ConfFile, Line ); + return; + } + if( strcasecmp( Var, "Port" ) == 0 ) + { + /* Port to which this server should connect */ + port = atol( Arg ); + if( port > 0 && port < 0xFFFF ) New_Server.port = (INT)port; + else Config_Error( LOG_ERR, "%s, line %d (section \"Server\"): Illegal port number %ld!", NGIRCd_ConfFile, Line, port ); + return; + } + if( strcasecmp( Var, "Group" ) == 0 ) + { + /* Server group */ +#ifdef HAVE_ISDIGIT + if( ! isdigit( (INT)*Arg )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"Group\" is not a number!", NGIRCd_ConfFile, Line ); + else +#endif + New_Server.group = atoi( Arg ); + return; + } + Config_Error( LOG_ERR, "%s, line %d (section \"Server\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var ); +} /* Handle_SERVER */ + + +LOCAL VOID +Handle_CHANNEL( INT Line, CHAR *Var, CHAR *Arg ) +{ + assert( Line > 0 ); + assert( Var != NULL ); + assert( Arg != NULL ); + + if( strcasecmp( Var, "Name" ) == 0 ) + { + /* Name of the channel */ + if( strlcpy( Conf_Channel[Conf_Channel_Count - 1].name, Arg, sizeof( Conf_Channel[Conf_Channel_Count - 1].name )) >= sizeof( Conf_Channel[Conf_Channel_Count - 1].name )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"Name\" too long!", NGIRCd_ConfFile, Line ); + return; + } + if( strcasecmp( Var, "Modes" ) == 0 ) + { + /* Initial modes */ + if( strlcpy( Conf_Channel[Conf_Channel_Count - 1].modes, Arg, sizeof( Conf_Channel[Conf_Channel_Count - 1].modes )) >= sizeof( Conf_Channel[Conf_Channel_Count - 1].modes )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"Modes\" too long!", NGIRCd_ConfFile, Line ); + return; + } + if( strcasecmp( Var, "Topic" ) == 0 ) + { + /* Initial topic */ + if( strlcpy( Conf_Channel[Conf_Channel_Count - 1].topic, Arg, sizeof( Conf_Channel[Conf_Channel_Count - 1].topic )) >= sizeof( Conf_Channel[Conf_Channel_Count - 1].topic )) Config_Error( LOG_WARNING, "%s, line %d: Value of \"Topic\" too long!", NGIRCd_ConfFile, Line ); + return; + } + + Config_Error( LOG_ERR, "%s, line %d (section \"Channel\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var ); +} /* Handle_CHANNEL */ + + +LOCAL VOID +Validate_Config( BOOLEAN Configtest ) +{ + /* Validate configuration settings. */ + +#ifdef DEBUG + INT i, servers, servers_once; +#endif + if( ! Conf_ServerName[0] ) { - /* Kein Servername konfiguriert */ - Log( LOG_ALERT, "No server name configured (use \"ServerName\")!", Conf_File, strerror( errno )); - Log( LOG_ALERT, PACKAGE" exiting due to fatal errors!" ); - exit( 1 ); + /* No server name configured! */ + Config_Error( LOG_ALERT, "No server name configured in \"%s\" (section 'Global': 'Name')!", NGIRCd_ConfFile ); + if( ! Configtest ) + { + Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME ); + exit( 1 ); + } + } + + if( Conf_ServerName[0] && ! strchr( Conf_ServerName, '.' )) + { + /* No dot in server name! */ + Config_Error( LOG_ALERT, "Invalid server name configured in \"%s\" (section 'Global': 'Name'): Dot missing!", NGIRCd_ConfFile ); + if( ! Configtest ) + { + Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME ); + exit( 1 ); + } + } + +#ifdef STRICT_RFC + if( ! Conf_ServerAdminMail[0] ) + { + /* No administrative contact configured! */ + Config_Error( LOG_ALERT, "No administrator email address configured in \"%s\" ('AdminEMail')!", NGIRCd_ConfFile ); + if( ! Configtest ) + { + Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME ); + exit( 1 ); + } } +#endif + + if( ! Conf_ServerAdmin1[0] && ! Conf_ServerAdmin2[0] && ! Conf_ServerAdminMail[0] ) + { + /* No administrative information configured! */ + Config_Error( LOG_WARNING, "No administrative information configured but required by RFC!" ); + } +#ifdef FD_SETSIZE + if(( Conf_MaxConnections > (LONG)FD_SETSIZE ) || ( Conf_MaxConnections < 1 )) + { + Conf_MaxConnections = (LONG)FD_SETSIZE; + Config_Error( LOG_ERR, "Setting MaxConnections to %ld, select() can't handle more file descriptors!", Conf_MaxConnections ); + } +#else + Config_Error( LOG_WARN, "Don't know how many file descriptors select() can handle on this system, don't set MaxConnections too high!" ); +#endif + +#ifdef DEBUG + servers = servers_once = 0; + for( i = 0; i < MAX_SERVERS; i++ ) + { + if( Conf_Server[i].name[0] ) + { + servers++; + if( Conf_Server[i].flags & CONF_SFLAG_ONCE ) servers_once++; + } + } + Log( LOG_DEBUG, "Configuration: Operators=%d, Servers=%d[%d], Channels=%d", Conf_Oper_Count, servers, servers_once, Conf_Channel_Count ); +#endif } /* Validate_Config */ + +#ifdef PROTOTYPES +LOCAL VOID Config_Error( CONST INT Level, CONST CHAR *Format, ... ) +#else +LOCAL VOID Config_Error( Level, Format, va_alist ) +CONST INT Level; +CONST CHAR *Format; +va_dcl +#endif +{ + /* Error! Write to console and/or logfile. */ + + CHAR msg[MAX_LOG_MSG_LEN]; + va_list ap; + + assert( Format != NULL ); + +#ifdef PROTOTYPES + va_start( ap, Format ); +#else + va_start( ap ); +#endif + vsnprintf( msg, MAX_LOG_MSG_LEN, Format, ap ); + va_end( ap ); + + /* During "normal operations" the log functions of the daemon should + * be used, but during testing of the configuration file, all messages + * should go directly to the console: */ + if( Use_Log ) Log( Level, "%s", msg ); + else puts( msg ); +} /* Config_Error */ + + +LOCAL VOID +Init_Server_Struct( CONF_SERVER *Server ) +{ + /* Initialize server configuration structur to default values */ + + assert( Server != NULL ); + + strcpy( Server->host, "" ); + strcpy( Server->ip, "" ); + strcpy( Server->name, "" ); + strcpy( Server->pwd_in, "" ); + strcpy( Server->pwd_out, "" ); + Server->port = 0; + Server->group = NONE; + Server->lasttry = time( NULL ) - Conf_ConnectRetry + STARTUP_DELAY; + Server->res_stat = NULL; + if( NGIRCd_Passive ) Server->flags = CONF_SFLAG_DISABLED; + else Server->flags = 0; + Server->conn_id = NONE; +} /* Init_Server_Struct */ + + /* -eof- */