X-Git-Url: https://arthur.barton.de/cgi-bin/gitweb.cgi?p=ngircd-alex.git;a=blobdiff_plain;f=src%2Fngircd%2Fconf.c;h=554fee4a92d12e973c8b1f94864c8360e1dff6cf;hp=4e6137acfce5620dc4121ceb87fddd57c393ccd8;hb=4ed2cb1a0248130f476ff9afd4fd4ed887fee376;hpb=ed406b4a930a330444c693d648f469537453a3d3 diff --git a/src/ngircd/conf.c b/src/ngircd/conf.c index 4e6137ac..554fee4a 100644 --- a/src/ngircd/conf.c +++ b/src/ngircd/conf.c @@ -1,186 +1,639 @@ /* * ngIRCd -- The Next Generation IRC Daemon - * Copyright (c)2001,2002 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 1.10 2002/01/03 02:27:20 alex Exp $ - * - * conf.h: Konfiguration des ngircd - * - * $Log: conf.c,v $ - * Revision 1.10 2002/01/03 02:27:20 alex - * - das Server-Passwort kann nun konfiguriert werden. - * - * Revision 1.9 2002/01/02 02:49:15 alex - * - Konfigurationsdatei "Samba like" umgestellt. - * - es koennen nun mehrere Server und Oprtatoren konfiguriert werden. - * - * 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" -#include +static char UNUSED id[] = "$Id: conf.c,v 1.105 2008/03/18 20:12:47 fw Exp $"; + +#include "imp.h" #include #include +#ifdef PROTOTYPES +# include +#else +# include +#endif #include #include #include +#include +#include +#include +#include +#include +#include + +#ifdef HAVE_CTYPE_H +# include +#endif +#include "array.h" +#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 ); +static bool Use_Log = true; +static CONF_SERVER New_Server; +static int New_Server_Idx; + + +#ifdef WANT_IPV6 +/* + * these options appeared in ngircd 0.12; they are here + * for backwards compatibility. They should be removed + * in the future. Instead of setting these options, + * the "Listen" option should be set accordingly. + */ +static bool Conf_ListenIPv6; +static bool Conf_ListenIPv4; +#endif + + +static void Set_Defaults PARAMS(( bool InitServers )); +static bool Read_Config PARAMS(( bool ngircd_starting )); +static void Validate_Config PARAMS(( bool TestOnly, bool Rehash )); + +static void Handle_GLOBAL PARAMS(( int Line, char *Var, char *Arg )); +static void Handle_OPERATOR PARAMS(( int Line, char *Var, char *Arg )); +static void Handle_SERVER PARAMS(( int Line, char *Var, char *Arg )); +static void Handle_CHANNEL PARAMS(( int Line, char *Var, char *Arg )); + +static void Config_Error PARAMS(( const int Level, const char *Format, ... )); + +static void Config_Error_NaN PARAMS(( const int LINE, const char *Value )); +static void Config_Error_TooLong PARAMS(( const int LINE, const char *Value )); + +static void Init_Server_Struct PARAMS(( CONF_SERVER *Server )); + + +static char * +strdup_warn(const char *str) +{ + char *ptr = strdup(str); + if (!ptr) + Config_Error(LOG_ERR, "Could not allocate mem for string: %s", str); + return ptr; +} + + +static void +ports_puts(array *a) +{ + size_t len; + UINT16 *ports; + len = array_length(a, sizeof(UINT16)); + if (len--) { + ports = (UINT16*) array_start(a); + printf("%u", (unsigned int) *ports); + while (len--) { + ports++; + printf(", %u", (unsigned int) *ports); + } + } + putc('\n', stdout); +} + + +static void +ports_parse(array *a, int Line, char *Arg) +{ + char *ptr; + int port; + UINT16 port16; + + array_trunc(a); + + /* Ports on that the server should listen. More port numbers + * must be separated by "," */ + ptr = strtok( Arg, "," ); + while (ptr) { + ngt_TrimStr( ptr ); + port = atol( ptr ); + if (port > 0 && port < 0xFFFF) { + port16 = (UINT16) port; + if (!array_catb(a, (char*)&port16, sizeof port16)) + Config_Error(LOG_ERR, "%s, line %d Could not add port number %ld: %s", + NGIRCd_ConfFile, Line, port, strerror(errno)); + } else { + Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Illegal port number %ld!", + NGIRCd_ConfFile, Line, port ); + } + + ptr = strtok( NULL, "," ); + } +} + + +GLOBAL void +Conf_Init( void ) +{ + Read_Config( true ); + Validate_Config(false, false); +} /* Config_Init */ + + +GLOBAL bool +Conf_Rehash( void ) +{ + if (!Read_Config(false)) + return false; + Validate_Config(false, true); + + /* Update CLIENT structure of local server */ + Client_SetInfo(Client_ThisServer(), Conf_ServerInfo); + return true; +} /* Config_Rehash */ + + +static const char* +yesno_to_str(int boolean_value) +{ + if (boolean_value) + return "yes"; + return "no"; +} + + +GLOBAL int +Conf_Test( void ) +{ + /* Read configuration, validate and output it. */ + + struct passwd *pwd; + struct group *grp; + unsigned int i; + char *topic; + + Use_Log = false; + + Read_Config( true ); + Validate_Config(true, false); + + /* If stdin and stdout ("you can read our nice message and we can + * read in your keypress") are valid tty's, wait for a key: */ + if( isatty( fileno( stdin )) && 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( " Name = %s\n", Conf_ServerName ); + printf( " Info = %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( " PidFile = %s\n", Conf_PidFile); + fputs(" Ports = ", stdout); + + ports_puts(&Conf_ListenPorts); + 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", yesno_to_str(Conf_OperCanMode)); + printf( " OperServerMode = %s\n", yesno_to_str(Conf_OperServerMode)); + printf( " PredefChannelsOnly = %s\n", yesno_to_str(Conf_PredefChannelsOnly)); + printf( " NoDNS = %s\n", yesno_to_str(Conf_NoDNS)); -GLOBAL VOID Handle_GLOBAL( INT Line, CHAR *Var, CHAR *Arg ); -GLOBAL VOID Handle_OPERATOR( INT Line, CHAR *Var, CHAR *Arg ); -GLOBAL VOID Handle_SERVER( INT Line, CHAR *Var, CHAR *Arg ); +#ifdef WANT_IPV6 + /* both are deprecated, only mention them if their default value changed. */ + if (!Conf_ListenIPv6) + puts(" ListenIPv6 = no"); + if (!Conf_ListenIPv4) + puts(" ListenIPv4 = no"); + printf(" ConnectIPv4 = %s\n", yesno_to_str(Conf_ConnectIPv6)); + printf(" ConnectIPv6 = %s\n", yesno_to_str(Conf_ConnectIPv4)); +#endif + printf( " MaxConnections = %ld\n", Conf_MaxConnections); + printf( " MaxConnectionsIP = %d\n", Conf_MaxConnectionsIP); + printf( " MaxJoins = %d\n", Conf_MaxJoins>0 ? Conf_MaxJoins : -1); + printf( " MaxNickLength = %u\n\n", Conf_MaxNickLength - 1); -LOCAL VOID Validate_Config( VOID ); + 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 ); + if ( Conf_Oper[i].mask ) printf( " Mask = %s\n", Conf_Oper[i].mask ); + 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 = %u\n", (unsigned int)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 ); + printf( " Passive = %s\n\n", Conf_Server[i].flags & CONF_SFLAG_DISABLED ? "yes" : "no"); + } + + 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( " Key = %s\n", Conf_Channel[i].key ); + printf( " MaxUsers = %lu\n", Conf_Channel[i].maxusers ); + + topic = (char*)array_start(&Conf_Channel[i].topic); + printf( " Topic = %s\n\n", topic ? topic : ""); + } + + 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; + time_t t; + + /* 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 */ + t = time(NULL); + if (Conf_Server[i].lasttry < t - Conf_ConnectRetry) { + /* The connection has been "long", so we don't + * require the next attempt to be delayed. */ + Conf_Server[i].lasttry = + t - Conf_ConnectRetry + RECONNECT_DELAY; + } else + Conf_Server[i].lasttry = t; + } + } +} /* Conf_UnsetServer */ -GLOBAL VOID Conf_Init( VOID ) +GLOBAL void +Conf_SetServer( int ConfServer, CONN_ID Idx ) { - /* Konfigurationsvariablen initialisieren: zunaechst Default- - * Werte setzen, dann Konfigurationsdtaei einlesen. */ + /* Set connection for specified configured server */ - strcpy( Conf_File, "/usr/local/etc/ngircd.conf" ); + 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 bool +Conf_EnableServer( char *Name, UINT16 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 bool +Conf_EnablePassiveServer(const char *Name) +{ + /* Enable specified server */ + int i; + + assert( Name != NULL ); + for (i = 0; i < MAX_SERVERS; i++) { + if ((strcasecmp( Conf_Server[i].name, Name ) == 0) && (Conf_Server[i].port > 0)) { + /* BINGO! Enable server */ + Conf_Server[i].flags &= ~CONF_SFLAG_DISABLED; + return true; + } + } + return false; +} /* Conf_EnablePassiveServer */ + + +GLOBAL bool +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 bool +Conf_AddServer( char *Name, UINT16 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 */ + + +static void +Set_Defaults( bool InitServers ) +{ + /* Initialize configuration variables with default values. */ + + int i; strcpy( Conf_ServerName, "" ); - strcpy( Conf_ServerInfo, PACKAGE" "VERSION ); + snprintf( Conf_ServerInfo, sizeof Conf_ServerInfo, "%s %s", PACKAGE_NAME, PACKAGE_VERSION ); strcpy( Conf_ServerPwd, "" ); - strcpy( Conf_MotdFile, "/usr/local/etc/ngircd.motd" ); + strcpy( Conf_ServerAdmin1, "" ); + strcpy( Conf_ServerAdmin2, "" ); + strcpy( Conf_ServerAdminMail, "" ); + + strlcpy( Conf_MotdFile, SYSCONFDIR, sizeof( Conf_MotdFile )); + strlcat( Conf_MotdFile, MOTD_FILE, sizeof( Conf_MotdFile )); + + strlcpy( Conf_MotdPhrase, MOTD_PHRASE, sizeof( Conf_MotdPhrase )); + + strlcpy( Conf_Chroot, CHROOT_DIR, sizeof( Conf_Chroot )); + + strlcpy( Conf_PidFile, PID_FILE, sizeof( Conf_PidFile )); + + free(Conf_ListenAddress); + Conf_ListenAddress = NULL; + Conf_UID = Conf_GID = 0; - Conf_ListenPorts_Count = 0; - Conf_PingTimeout = 120; - Conf_PongTimeout = 10; + Conf_PongTimeout = 20; Conf_ConnectRetry = 60; Conf_Oper_Count = 0; + Conf_Channel_Count = 0; - Conf_Server_Count = 0; + Conf_OperCanMode = false; + Conf_NoDNS = false; + Conf_PredefChannelsOnly = false; + Conf_OperServerMode = false; - /* Konfigurationsdatei einlesen und validieren */ - Read_Config( ); - Validate_Config( ); -} /* Config_Init */ + Conf_ConnectIPv4 = true; + Conf_ListenIPv4 = true; + Conf_ConnectIPv6 = true; + Conf_ListenIPv6 = true; + Conf_MaxConnections = 0; + Conf_MaxConnectionsIP = 5; + Conf_MaxJoins = 10; + Conf_MaxNickLength = CLIENT_NICK_LEN_DEFAULT; -GLOBAL VOID Conf_Exit( VOID ) -{ - /* ... */ -} /* Config_Exit */ + /* 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 ) +static bool +Read_Config( bool ngircd_starting ) { - /* Konfigurationsdatei einlesen. */ + /* Read configuration file. */ - CHAR section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr; - INT line; + char section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr; + const UINT16 defaultport = 6667; + int line, i, n; FILE *fd; - fd = fopen( Conf_File, "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!" ); + /* Open configuration file */ + fd = fopen( NGIRCd_ConfFile, "r" ); + if( ! fd ) { + /* No configuration file found! */ + Config_Error( LOG_ALERT, "Can't read configuration \"%s\": %s", + NGIRCd_ConfFile, strerror( errno )); + if (!ngircd_starting) + return false; + Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME ); exit( 1 ); } + Set_Defaults( ngircd_starting ); + + 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] ); +#ifdef DEBUG + Log(LOG_DEBUG,"Deleted unused duplicate server %d (kept %d).", + n, i ); +#endif + } + } + } 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, "" ); - while( TRUE ) - { + Init_Server_Struct( &New_Server ); + New_Server_Idx = NONE; + + /* Read configuration file */ + while( true ) { 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; - /* Anfang eines Abschnittes? */ - if(( str[0] == '[' ) && ( str[strlen( str ) - 1] == ']' )) - { - strcpy( section, str ); - if( strcasecmp( section, "[GLOBAL]" ) == 0 ) continue; - if( strcasecmp( section, "[OPERATOR]" ) == 0 ) - { - if( Conf_Oper_Count + 1 > MAX_OPERATORS ) Log( LOG_ERR, "Too many operators configured." ); - else - { - /* neuen Operator initialisieren */ - strcpy( Conf_Oper[Conf_Oper_Count].name, "" ); - strcpy( Conf_Oper[Conf_Oper_Count].pwd, "" ); + /* 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 */ + Conf_Oper[Conf_Oper_Count].name[0] = '\0'; + Conf_Oper[Conf_Oper_Count].pwd[0] = '\0'; + if (Conf_Oper[Conf_Oper_Count].mask) { + free(Conf_Oper[Conf_Oper_Count].mask ); + Conf_Oper[Conf_Oper_Count].mask = NULL; + } Conf_Oper_Count++; } continue; } - if( strcasecmp( section, "[SERVER]" ) == 0 ) - { - if( Conf_Server_Count + 1 > MAX_SERVERS ) Log( LOG_ERR, "Too many servers configured." ); - else - { - /* neuen Server ("Peer") initialisieren */ - strcpy( Conf_Server[Conf_Server_Count].host, "" ); - strcpy( Conf_Server[Conf_Server_Count].ip, "" ); - strcpy( Conf_Server[Conf_Server_Count].name, "" ); - strcpy( Conf_Server[Conf_Server_Count].pwd, "" ); - Conf_Server[Conf_Server_Count].port = 0; - Conf_Server[Conf_Server_Count].lasttry = 0; - Conf_Server[Conf_Server_Count].res_stat = NULL; - Conf_Server_Count++; + 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; } - Log( LOG_ERR, "%s, line %d: Unknown section \"%s\"!", Conf_File, line, section ); + 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].key, "" ); + Conf_Channel[Conf_Channel_Count].maxusers = 0; + array_free(&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; - /* In Variable und Argument zerlegen */ + /* Split line into variable name and parameters */ ptr = strchr( str, '=' ); - if( ! ptr ) - { - Log( LOG_ERR, "%s, line %d: Syntax error!", Conf_File, line ); + if( ! ptr ) { + Config_Error( LOG_ERR, "%s, line %d: Syntax error!", NGIRCd_ConfFile, line ); continue; } *ptr = '\0'; @@ -190,174 +643,679 @@ LOCAL VOID Read_Config( VOID ) 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 Log( LOG_ERR, "%s, line %d: Variable \"%s\" outside section!", Conf_File, line, var ); + 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 (0 == array_length(&Conf_ListenPorts, sizeof(UINT16))) { + if (!array_copyb(&Conf_ListenPorts, (char*) &defaultport, sizeof defaultport)) { + Config_Error( LOG_ALERT, "Could not add default listening Port %u: %s", + (unsigned int) defaultport, strerror(errno)); + exit( 1 ); + } + } + + if (!Conf_ListenAddress) { + /* no Listen addresses configured, use default */ +#ifdef WANT_IPV6 + /* Conf_ListenIPv6/4 should no longer be used */ + if (Conf_ListenIPv6 && Conf_ListenIPv4) + Conf_ListenAddress = strdup_warn("::,0.0.0.0"); + else if (Conf_ListenIPv6) + Conf_ListenAddress = strdup_warn("::"); + else +#endif + Conf_ListenAddress = strdup_warn("0.0.0.0"); + } + if (!Conf_ListenAddress) { + Config_Error(LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME); + exit(1); + } + return true; } /* Read_Config */ -GLOBAL VOID Handle_GLOBAL( INT Line, CHAR *Var, CHAR *Arg ) +static bool +Check_ArgIsTrue( const char *Arg ) +{ + if( strcasecmp( Arg, "yes" ) == 0 ) return true; + if( strcasecmp( Arg, "true" ) == 0 ) return true; + if( atoi( Arg ) != 0 ) return true; + + return false; +} /* Check_ArgIsTrue */ + + +static unsigned int Handle_MaxNickLength(int Line, const char *Arg) +{ + unsigned new; + + new = (unsigned) atoi(Arg) + 1; + if (new > CLIENT_NICK_LEN) { + Config_Error(LOG_WARNING, + "%s, line %d: Value of \"MaxNickLength\" exceeds %u!", + NGIRCd_ConfFile, Line, CLIENT_NICK_LEN - 1); + return CLIENT_NICK_LEN; + } + if (new < 2) { + Config_Error(LOG_WARNING, + "%s, line %d: Value of \"MaxNickLength\" must be at least 1!", + NGIRCd_ConfFile, Line); + return 2; + } + return new; +} /* Handle_MaxNickLength */ + + +static void +Handle_GLOBAL( int Line, char *Var, char *Arg ) { - CHAR *ptr; - INT port; + struct passwd *pwd; + struct group *grp; + size_t len; assert( Line > 0 ); assert( Var != NULL ); assert( Arg != NULL ); - if( strcasecmp( Var, "Name" ) == 0 ) - { - /* Der Server-Name */ - strncpy( Conf_ServerName, Arg, CLIENT_ID_LEN ); - Conf_ServerName[CLIENT_ID_LEN - 1] = '\0'; - return; - } - if( strcasecmp( Var, "Info" ) == 0 ) - { - /* Server-Info-Text */ - strncpy( Conf_ServerInfo, Arg, CLIENT_INFO_LEN ); - Conf_ServerInfo[CLIENT_INFO_LEN - 1] = '\0'; - return; - } - if( strcasecmp( Var, "Password" ) == 0 ) - { - /* Der Server-Name */ - strncpy( Conf_ServerPwd, Arg, CLIENT_PASS_LEN ); - Conf_ServerPwd[CLIENT_PASS_LEN - 1] = '\0'; - return; - } - if( strcasecmp( Var, "Ports" ) == 0 ) - { - /* 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 > MAX_LISTEN_PORTS ) Log( LOG_ERR, "Too many listen ports configured. Port %ld ignored.", port ); + if( strcasecmp( Var, "Name" ) == 0 ) { + /* Server name */ + len = strlcpy( Conf_ServerName, Arg, sizeof( Conf_ServerName )); + if (len >= sizeof( Conf_ServerName )) + Config_Error_TooLong( Line, Var ); + return; + } + if( strcasecmp( Var, "Info" ) == 0 ) { + /* Info text of server */ + len = strlcpy( Conf_ServerInfo, Arg, sizeof( Conf_ServerInfo )); + if (len >= sizeof( Conf_ServerInfo )) + Config_Error_TooLong ( Line, Var ); + return; + } + if( strcasecmp( Var, "Password" ) == 0 ) { + /* Global server password */ + len = strlcpy( Conf_ServerPwd, Arg, sizeof( Conf_ServerPwd )); + if (len >= sizeof( Conf_ServerPwd )) + Config_Error_TooLong( Line, Var ); + return; + } + if( strcasecmp( Var, "AdminInfo1" ) == 0 ) { + /* Administrative info #1 */ + len = strlcpy( Conf_ServerAdmin1, Arg, sizeof( Conf_ServerAdmin1 )); + if (len >= sizeof( Conf_ServerAdmin1 )) + Config_Error_TooLong ( Line, Var ); + return; + } + if( strcasecmp( Var, "AdminInfo2" ) == 0 ) { + /* Administrative info #2 */ + len = strlcpy( Conf_ServerAdmin2, Arg, sizeof( Conf_ServerAdmin2 )); + if (len >= sizeof( Conf_ServerAdmin2 )) + Config_Error_TooLong ( Line, Var ); + return; + } + if( strcasecmp( Var, "AdminEMail" ) == 0 ) { + /* Administrative email contact */ + len = strlcpy( Conf_ServerAdminMail, Arg, sizeof( Conf_ServerAdminMail )); + if (len >= sizeof( Conf_ServerAdminMail )) + Config_Error_TooLong( Line, Var ); + return; + } + + if( strcasecmp( Var, "Ports" ) == 0 ) { + ports_parse(&Conf_ListenPorts, Line, Arg); + return; + } + if( strcasecmp( Var, "MotdFile" ) == 0 ) { + /* "Message of the day" (MOTD) file */ + len = strlcpy( Conf_MotdFile, Arg, sizeof( Conf_MotdFile )); + if (len >= sizeof( Conf_MotdFile )) + Config_Error_TooLong( Line, Var ); + return; + } + if( strcasecmp( Var, "MotdPhrase" ) == 0 ) { + /* "Message of the day" phrase (instead of file) */ + len = strlcpy( Conf_MotdPhrase, Arg, sizeof( Conf_MotdPhrase )); + if (len >= sizeof( Conf_MotdPhrase )) + Config_Error_TooLong( Line, Var ); + return; + } + if( strcasecmp( Var, "ChrootDir" ) == 0 ) { + /* directory for chroot() */ + len = strlcpy( Conf_Chroot, Arg, sizeof( Conf_Chroot )); + if (len >= sizeof( Conf_Chroot )) + Config_Error_TooLong( Line, Var ); + return; + } + if ( strcasecmp( Var, "PidFile" ) == 0 ) { + /* name of pidfile */ + len = strlcpy( Conf_PidFile, Arg, sizeof( Conf_PidFile )); + if (len >= sizeof( Conf_PidFile )) + Config_Error_TooLong( Line, Var ); + return; + } + if( strcasecmp( Var, "ServerUID" ) == 0 ) { + /* UID the daemon should switch to */ + pwd = getpwnam( Arg ); + if( pwd ) Conf_UID = pwd->pw_uid; + else { +#ifdef HAVE_ISDIGIT + if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var ); else - { - if( port > 0 && port < 0xFFFF ) Conf_ListenPorts[Conf_ListenPorts_Count++] = port; - else Log( LOG_ERR, "%s, line %d (section \"Global\"): Illegal port number %ld!", Conf_File, Line, port ); - } - ptr = strtok( NULL, "," ); +#endif + Conf_UID = (unsigned int)atoi( Arg ); } return; } - if( strcasecmp( Var, "MotdFile" ) == 0 ) - { - /* Datei mit der "message of the day" (MOTD) */ - strncpy( Conf_MotdFile, Arg, FNAME_LEN ); - Conf_MotdFile[FNAME_LEN - 1] = '\0'; + if( strcasecmp( Var, "ServerGID" ) == 0 ) { + /* GID the daemon should use */ + grp = getgrnam( Arg ); + if( grp ) Conf_GID = grp->gr_gid; + else { +#ifdef HAVE_ISDIGIT + if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var ); + else +#endif + Conf_GID = (unsigned int)atoi( Arg ); + } return; } - if( strcasecmp( Var, "PingTimeout" ) == 0 ) - { - /* PING-Timeout */ + if( strcasecmp( Var, "PingTimeout" ) == 0 ) { + /* PING timeout */ Conf_PingTimeout = atoi( Arg ); - if(( Conf_PingTimeout ) < 5 ) Conf_PingTimeout = 5; + if( Conf_PingTimeout < 5 ) { + Config_Error( LOG_WARNING, "%s, line %d: Value of \"PingTimeout\" too low!", + NGIRCd_ConfFile, Line ); + Conf_PingTimeout = 5; + } return; } - if( strcasecmp( Var, "PongTimeout" ) == 0 ) - { - /* PONG-Timeout */ + if( strcasecmp( Var, "PongTimeout" ) == 0 ) { + /* PONG timeout */ Conf_PongTimeout = atoi( Arg ); - if(( Conf_PongTimeout ) < 5 ) Conf_PongTimeout = 5; + if( Conf_PongTimeout < 5 ) { + Config_Error( LOG_WARNING, "%s, line %d: Value of \"PongTimeout\" too low!", + NGIRCd_ConfFile, Line ); + Conf_PongTimeout = 5; + } return; } - if( strcasecmp( Var, "ConnectRetry" ) == 0 ) - { - /* Sekunden zwischen Verbindungsversuchen zu anderen Servern */ + if( strcasecmp( Var, "ConnectRetry" ) == 0 ) { + /* Seconds between connection attempts to other servers */ Conf_ConnectRetry = atoi( Arg ); - if(( Conf_ConnectRetry ) < 5 ) Conf_ConnectRetry = 5; + if( Conf_ConnectRetry < 5 ) { + Config_Error( LOG_WARNING, "%s, line %d: Value of \"ConnectRetry\" too low!", + NGIRCd_ConfFile, Line ); + Conf_ConnectRetry = 5; + } + return; + } + if( strcasecmp( Var, "PredefChannelsOnly" ) == 0 ) { + /* Should we only allow pre-defined-channels? (i.e. users cannot create their own channels) */ + Conf_PredefChannelsOnly = Check_ArgIsTrue( Arg ); + return; + } + if( strcasecmp( Var, "NoDNS" ) == 0 ) { + /* don't do reverse dns lookups when clients connect? */ + Conf_NoDNS = Check_ArgIsTrue( Arg ); + return; + } +#ifdef WANT_IPV6 + /* the default setting for all the WANT_IPV6 special options is 'true' */ + if (strcasecmp(Var, "ListenIPv6") == 0) { /* DEPRECATED, option appeared in 0.12.0 */ + /* + * listen on ipv6 sockets, if available? + * Deprecated use "Listen = 0.0.0.0" (or, rather, do not list "::") + */ + Conf_ListenIPv6 = Check_ArgIsTrue( Arg ); + Config_Error(LOG_WARNING, "%s, line %d: %s=%s is deprecated, %sinclude '::' in \"Listen =\" option instead", + NGIRCd_ConfFile, Line, Var, yesno_to_str(Conf_ListenIPv6), Conf_ListenIPv6 ? " ":"do not "); + return; + } + if (strcasecmp(Var, "ListenIPv4") == 0) { /* DEPRECATED, option appeared in 0.12.0 */ + /* + * listen on ipv4 sockets, if available? + * this allows "ipv6-only" setups + * Deprecated use "Listen = ::" (or, rather, do not list "0.0.0.0") + */ + Conf_ListenIPv4 = Check_ArgIsTrue( Arg ); + Config_Error(LOG_WARNING, "%s, line %d: %s=%s is deprecated, %sinclude '0.0.0.0' in \"Listen =\" option instead", + NGIRCd_ConfFile, Line, Var, yesno_to_str(Conf_ListenIPv4), Conf_ListenIPv4 ? " ":"do not "); + return; + } + if( strcasecmp( Var, "ConnectIPv6" ) == 0 ) { + /* connect to other hosts using ipv6, if they have an AAAA record? */ + Conf_ConnectIPv6 = Check_ArgIsTrue( Arg ); + return; + } + if( strcasecmp( Var, "ConnectIPv4" ) == 0 ) { + /* connect to other hosts using ipv4. + * again, this can be used for ipv6-only setups */ + Conf_ConnectIPv4 = Check_ArgIsTrue( Arg ); + return; + } +#endif + if( strcasecmp( Var, "OperCanUseMode" ) == 0 ) { + /* Are IRC operators allowed to use MODE in channels they aren't Op in? */ + Conf_OperCanMode = Check_ArgIsTrue( Arg ); + return; + } + if( strcasecmp( Var, "OperServerMode" ) == 0 ) { + /* Mask IRC operator as if coming from the server? (ircd-irc2 compat hack) */ + Conf_OperServerMode = Check_ArgIsTrue( Arg ); + return; + } + if( strcasecmp( Var, "MaxConnections" ) == 0 ) { + /* Maximum number of connections. 0 -> "no limit". */ +#ifdef HAVE_ISDIGIT + if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var); + else +#endif + Conf_MaxConnections = atol( Arg ); return; } - - Log( LOG_ERR, "%s, line %d (section \"Global\"): Unknown variable \"%s\"!", Conf_File, Line, Var ); + if( strcasecmp( Var, "MaxConnectionsIP" ) == 0 ) { + /* Maximum number of simultaneous connections from one IP. 0 -> "no limit" */ +#ifdef HAVE_ISDIGIT + if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var ); + else +#endif + Conf_MaxConnectionsIP = atoi( Arg ); + return; + } + if( strcasecmp( Var, "MaxJoins" ) == 0 ) { + /* Maximum number of channels a user can join. 0 -> "no limit". */ +#ifdef HAVE_ISDIGIT + if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var ); + else +#endif + Conf_MaxJoins = atoi( Arg ); + return; + } + if( strcasecmp( Var, "MaxNickLength" ) == 0 ) { + /* Maximum length of a nick name; must be same on all servers + * within the IRC network! */ + Conf_MaxNickLength = Handle_MaxNickLength(Line, Arg); + return; + } + + if( strcasecmp( Var, "Listen" ) == 0 ) { + /* IP-Address to bind sockets */ + if (Conf_ListenAddress) { + Config_Error(LOG_ERR, "Multiple Listen= options, ignoring: %s", Arg); + return; + } + Conf_ListenAddress = strdup_warn(Arg); + /* + * if allocation fails, we're in trouble: + * we cannot ignore the error -- otherwise ngircd + * would listen on all interfaces. + */ + if (!Conf_ListenAddress) { + Config_Error(LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME); + exit(1); + } + return; + } + Config_Error(LOG_ERR, "%s, line %d (section \"Global\"): Unknown variable \"%s\"!", + NGIRCd_ConfFile, Line, Var); } /* Handle_GLOBAL */ -GLOBAL VOID Handle_OPERATOR( INT Line, CHAR *Var, CHAR *Arg ) +static void +Handle_OPERATOR( int Line, char *Var, char *Arg ) { + unsigned int opercount; + size_t len; assert( Line > 0 ); assert( Var != NULL ); assert( Arg != NULL ); assert( Conf_Oper_Count > 0 ); - if( strcasecmp( Var, "Name" ) == 0 ) - { - /* Name des IRC Operator */ - strncpy( Conf_Oper[Conf_Oper_Count - 1].name, Arg, CLIENT_ID_LEN ); - Conf_Oper[Conf_Oper_Count - 1].name[CLIENT_ID_LEN - 1] = '\0'; + if ( Conf_Oper_Count == 0 ) + return; + + opercount = Conf_Oper_Count - 1; + + if( strcasecmp( Var, "Name" ) == 0 ) { + /* Name of IRC operator */ + len = strlcpy( Conf_Oper[opercount].name, Arg, sizeof( Conf_Oper[opercount].name )); + if (len >= sizeof( Conf_Oper[opercount].name )) + Config_Error_TooLong( Line, Var ); return; } - if( strcasecmp( Var, "Password" ) == 0 ) - { - /* Passwort des IRC Operator */ - strncpy( Conf_Oper[Conf_Oper_Count - 1].pwd, Arg, CLIENT_PASS_LEN ); - Conf_Oper[Conf_Oper_Count - 1].pwd[CLIENT_PASS_LEN - 1] = '\0'; + if( strcasecmp( Var, "Password" ) == 0 ) { + /* Password of IRC operator */ + len = strlcpy( Conf_Oper[opercount].pwd, Arg, sizeof( Conf_Oper[opercount].pwd )); + if (len >= sizeof( Conf_Oper[opercount].pwd )) + Config_Error_TooLong( Line, Var ); return; } - - Log( LOG_ERR, "%s, line %d (section \"Operator\"): Unknown variable \"%s\"!", Conf_File, Line, Var ); + if( strcasecmp( Var, "Mask" ) == 0 ) { + if (Conf_Oper[opercount].mask) return; /* Hostname already configured */ + + Conf_Oper[opercount].mask = strdup_warn( Arg ); + return; + } + Config_Error( LOG_ERR, "%s, line %d (section \"Operator\"): Unknown variable \"%s\"!", + NGIRCd_ConfFile, Line, Var ); } /* Handle_OPERATOR */ -GLOBAL VOID Handle_SERVER( INT Line, CHAR *Var, CHAR *Arg ) +static void +Handle_SERVER( int Line, char *Var, char *Arg ) { - INT port; + long port; + size_t len; assert( Line > 0 ); assert( Var != NULL ); assert( Arg != NULL ); - if( strcasecmp( Var, "Host" ) == 0 ) - { - /* Hostname des Servers */ - strncpy( Conf_Server[Conf_Server_Count - 1].host, Arg, HOST_LEN ); - Conf_Server[Conf_Server_Count - 1].host[HOST_LEN - 1] = '\0'; + /* 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 */ + len = strlcpy( New_Server.host, Arg, sizeof( New_Server.host )); + if (len >= sizeof( New_Server.host )) + Config_Error_TooLong ( Line, Var ); return; } - if( strcasecmp( Var, "Name" ) == 0 ) - { - /* Name des Servers ("Nick") */ - strncpy( Conf_Server[Conf_Server_Count - 1].name, Arg, CLIENT_PASS_LEN ); - Conf_Server[Conf_Server_Count - 1].name[CLIENT_PASS_LEN - 1] = '\0'; + if( strcasecmp( Var, "Name" ) == 0 ) { + /* Name of the server ("Nick"/"ID") */ + len = strlcpy( New_Server.name, Arg, sizeof( New_Server.name )); + if (len >= sizeof( New_Server.name )) + Config_Error_TooLong( Line, Var ); return; } - if( strcasecmp( Var, "Password" ) == 0 ) - { - /* Passwort des Servers */ - strncpy( Conf_Server[Conf_Server_Count - 1].pwd, Arg, CLIENT_PASS_LEN ); - Conf_Server[Conf_Server_Count - 1].pwd[CLIENT_PASS_LEN - 1] = '\0'; + if (strcasecmp(Var, "Bind") == 0) { + if (ng_ipaddr_init(&New_Server.bind_addr, Arg, 0)) + return; + + Config_Error(LOG_ERR, "%s, line %d (section \"Server\"): Can't parse IP address \"%s\"", + NGIRCd_ConfFile, Line, Arg); + return; + } + if( strcasecmp( Var, "MyPassword" ) == 0 ) { + /* Password of this server which is sent to the peer */ + if (*Arg == ':') { + Config_Error(LOG_ERR, + "%s, line %d (section \"Server\"): MyPassword must not start with ':'!", + NGIRCd_ConfFile, Line); + } + len = strlcpy( New_Server.pwd_in, Arg, sizeof( New_Server.pwd_in )); + if (len >= sizeof( New_Server.pwd_in )) + Config_Error_TooLong( Line, Var ); + return; + } + if( strcasecmp( Var, "PeerPassword" ) == 0 ) { + /* Passwort of the peer which must be received */ + len = strlcpy( New_Server.pwd_out, Arg, sizeof( New_Server.pwd_out )); + if (len >= sizeof( New_Server.pwd_out )) + Config_Error_TooLong( Line, Var ); return; } - if( strcasecmp( Var, "Port" ) == 0 ) - { - /* Port, zu dem Verbunden werden soll */ + if( strcasecmp( Var, "Port" ) == 0 ) { + /* Port to which this server should connect */ port = atol( Arg ); - if( port > 0 && port < 0xFFFF ) Conf_Server[Conf_Server_Count - 1].port = port; - else Log( LOG_ERR, "%s, line %d (section \"Server\"): Illegal port number %ld!", Conf_File, Line, port ); + if( port > 0 && port < 0xFFFF ) + New_Server.port = (UINT16)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_NaN( Line, Var ); + else +#endif + New_Server.group = atoi( Arg ); + return; + } + if( strcasecmp( Var, "Passive" ) == 0 ) { + if (Check_ArgIsTrue(Arg)) + New_Server.flags |= CONF_SFLAG_DISABLED; return; } - Log( LOG_ERR, "%s, line %d (section \"Server\"): Unknown variable \"%s\"!", Conf_File, Line, Var ); + Config_Error( LOG_ERR, "%s, line %d (section \"Server\"): Unknown variable \"%s\"!", + NGIRCd_ConfFile, Line, Var ); } /* Handle_SERVER */ -LOCAL VOID Validate_Config( VOID ) +static bool +Handle_Channelname(size_t chancount, const char *name) { - /* Konfiguration ueberpruefen */ - - 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 ); + size_t size = sizeof( Conf_Channel[chancount].name ); + char *dest = Conf_Channel[chancount].name; + + if (*name && *name != '#') { + *dest = '#'; + --size; + ++dest; } + return size > strlcpy(dest, name, size); +} + + +static void +Handle_CHANNEL( int Line, char *Var, char *Arg ) +{ + size_t len; + size_t chancount = 0; + + assert( Line > 0 ); + assert( Var != NULL ); + assert( Arg != NULL ); + if (Conf_Channel_Count > 0) + chancount = Conf_Channel_Count - 1; + + if( strcasecmp( Var, "Name" ) == 0 ) { + if (!Handle_Channelname(chancount, Arg)) + Config_Error_TooLong( Line, Var ); + return; + } + if( strcasecmp( Var, "Modes" ) == 0 ) { + /* Initial modes */ + len = strlcpy( Conf_Channel[chancount].modes, Arg, sizeof( Conf_Channel[chancount].modes )); + if (len >= sizeof( Conf_Channel[chancount].modes )) + Config_Error_TooLong( Line, Var ); + return; + } + if( strcasecmp( Var, "Topic" ) == 0 ) { + /* Initial topic */ + if (!array_copys( &Conf_Channel[chancount].topic, Arg)) + Config_Error_TooLong( Line, Var ); + return; + } + + if( strcasecmp( Var, "Key" ) == 0 ) { + /* Initial Channel Key (mode k) */ + len = strlcpy(Conf_Channel[chancount].key, Arg, sizeof(Conf_Channel[chancount].key)); + if (len >= sizeof( Conf_Channel[chancount].key )) + Config_Error_TooLong(Line, Var); + return; + } + + if( strcasecmp( Var, "MaxUsers" ) == 0 ) { + /* maximum user limit, mode l */ + Conf_Channel[chancount].maxusers = (unsigned long) atol(Arg); + if (Conf_Channel[chancount].maxusers == 0) + Config_Error_NaN(Line, Var); + return; + } + + Config_Error( LOG_ERR, "%s, line %d (section \"Channel\"): Unknown variable \"%s\"!", + NGIRCd_ConfFile, Line, Var ); +} /* Handle_CHANNEL */ + + +static void +Validate_Config(bool Configtest, bool Rehash) +{ + /* Validate configuration settings. */ + +#ifdef DEBUG + int i, servers, servers_once; +#endif + char *ptr; + + /* Validate configured server name, see RFC 2812 section 2.3.1 */ + ptr = Conf_ServerName; + do { + if (*ptr >= 'a' && *ptr <= 'z') continue; + if (*ptr >= 'A' && *ptr <= 'Z') continue; + if (*ptr >= '0' && *ptr <= '9') continue; + if (ptr > Conf_ServerName) { + if (*ptr == '.' || *ptr == '-') + continue; + } + Conf_ServerName[0] = '\0'; + break; + } while (*(++ptr)); + + if (!Conf_ServerName[0]) { + /* No server name configured! */ + Config_Error(LOG_ALERT, + "No (valid) server name configured in \"%s\" (section 'Global': 'Name')!", + NGIRCd_ConfFile); + if (!Configtest && !Rehash) { + 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 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 */ + +static void +Config_Error_TooLong ( const int Line, const char *Item ) +{ + Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" too long!", NGIRCd_ConfFile, Line, Item ); +} + + +static void +Config_Error_NaN( const int Line, const char *Item ) +{ + Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" is not a number!", + NGIRCd_ConfFile, Line, Item ); +} + + +#ifdef PROTOTYPES +static void Config_Error( const int Level, const char *Format, ... ) +#else +static 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 */ + + +static void +Init_Server_Struct( CONF_SERVER *Server ) +{ + /* Initialize server configuration structur to default values */ + + assert( Server != NULL ); + + memset( Server, 0, sizeof (CONF_SERVER) ); + + Server->group = NONE; + Server->lasttry = time( NULL ) - Conf_ConnectRetry + STARTUP_DELAY; + + if( NGIRCd_Passive ) Server->flags = CONF_SFLAG_DISABLED; + + Resolve_Init(&Server->res_stat); + Server->conn_id = NONE; + memset(&Server->bind_addr, 0, sizeof(&Server->bind_addr)); +} /* Init_Server_Struct */ + + /* -eof- */