/*
* 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 comBase 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 1.3 2001/12/26 14:45:37 alex Exp $
- *
- * conf.h: Konfiguration des ngircd
- *
- * $Log: conf.c,v $
- * 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 <portab.h>
-#include "global.h"
+#include "portab.h"
+
+static char UNUSED id[] = "$Id: conf.c,v 1.88 2005/10/11 19:29:23 alex Exp $";
-#include <imp.h>
+#include "imp.h"
#include <assert.h>
+#include <errno.h>
+#ifdef PROTOTYPES
+# include <stdarg.h>
+#else
+# include <varargs.h>
+#endif
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+#include <unistd.h>
+#include <pwd.h>
+#include <grp.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#ifdef HAVE_CTYPE_H
+# include <ctype.h>
+#endif
-#include <exp.h>
+#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 "exp.h"
#include "conf.h"
-GLOBAL VOID Conf_Init( VOID )
+static bool Use_Log = true;
+static CONF_SERVER New_Server;
+static int New_Server_Idx;
+
+
+static void Set_Defaults PARAMS(( bool InitServers ));
+static void Read_Config PARAMS(( void ));
+static void Validate_Config PARAMS(( bool TestOnly ));
+
+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)
{
- Conf_PingTimeout = 120;
- Conf_PongTimeout = 10;
+ 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)
+{
+ unsigned int 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 )
+{
+ Set_Defaults( true );
+ Read_Config( );
+ Validate_Config( false );
} /* Config_Init */
-GLOBAL VOID Conf_Exit( VOID )
+GLOBAL void
+Conf_Rehash( void )
+{
+ Set_Defaults( false );
+ Read_Config( );
+ Validate_Config( false );
+} /* Config_Rehash */
+
+
+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;
+ Set_Defaults( true );
+
+ Read_Config( );
+ Validate_Config( true );
+
+ /* 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", Conf_OperCanMode == true? "yes" : "no" );
+ printf( " OperServerMode = %s\n", Conf_OperServerMode == true? "yes" : "no" );
+ printf( " MaxConnections = %ld\n", Conf_MaxConnections>0 ? Conf_MaxConnections : -1);
+ printf( " MaxConnectionsIP = %d\n", Conf_MaxConnectionsIP>0 ? Conf_MaxConnectionsIP : -1);
+ printf( " MaxJoins = %d\n\n", Conf_MaxJoins>0 ? Conf_MaxJoins : -1);
+
+ 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 = %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\n", Conf_Server[i].group );
+ }
+
+ 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 );
+
+ 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_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 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_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, "" );
+ snprintf( Conf_ServerInfo, sizeof Conf_ServerInfo, "%s %s", PACKAGE_NAME, PACKAGE_VERSION );
+ strcpy( Conf_ServerPwd, "" );
+
+ 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 ));
+
+ strcpy( Conf_ListenAddress, "" );
+
+ Conf_UID = Conf_GID = 0;
+
+ Conf_PingTimeout = 120;
+ Conf_PongTimeout = 20;
+
+ Conf_ConnectRetry = 60;
+
+ Conf_Oper_Count = 0;
+ Conf_Channel_Count = 0;
+
+ Conf_OperCanMode = false;
+ Conf_OperServerMode = 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 */
+
+
+static void
+Read_Config( void )
+{
+ /* Read configuration file. */
+
+ char section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr;
+ const UINT16 defaultport = 6667;
+ int line, i, n;
+ FILE *fd;
+
+ /* 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 ));
+ 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] );
+#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, "" );
+ 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++;
+
+ /* 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 */
+ 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 ) {
+ /* 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, "" );
+ 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;
+
+ /* Split line into variable name and parameters */
+ ptr = strchr( str, '=' );
+ if( ! ptr ) {
+ 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( 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 (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 );
+ }
+ }
+} /* Read_Config */
+
+
+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 void
+Handle_GLOBAL( int Line, char *Var, char *Arg )
{
- /* ... */
-} /* Config_Exit */
+ struct passwd *pwd;
+ struct group *grp;
+ size_t len;
+
+ assert( Line > 0 );
+ assert( Var != NULL );
+ assert( Arg != NULL );
+
+ 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
+#endif
+ Conf_UID = (unsigned int)atoi( Arg );
+ }
+ return;
+ }
+ 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 */
+ Conf_PingTimeout = atoi( Arg );
+ 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 */
+ Conf_PongTimeout = atoi( Arg );
+ 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 ) {
+ /* Seconds between connection attempts to other servers */
+ Conf_ConnectRetry = atoi( Arg );
+ 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, "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. Values <= 0 are equal to "no limit". */
+#ifdef HAVE_ISDIGIT
+ if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var);
+ else
+#endif
+ Conf_MaxConnections = atol( Arg );
+ return;
+ }
+ if( strcasecmp( Var, "MaxConnectionsIP" ) == 0 ) {
+ /* Maximum number of simultaneous connections from one IP. Values <= 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. Values <= 0 are equal to "no limit". */
+#ifdef HAVE_ISDIGIT
+ if( ! isdigit( (int)*Arg )) Config_Error_NaN( Line, Var );
+ else
+#endif
+ Conf_MaxJoins = atoi( Arg );
+ return;
+ }
+ if( strcasecmp( Var, "Listen" ) == 0 ) {
+ /* IP-Address to bind sockets */
+ len = strlcpy( Conf_ListenAddress, Arg, sizeof( Conf_ListenAddress ));
+ if (len >= sizeof( Conf_ListenAddress ))
+ Config_Error_TooLong( Line, Var );
+ return;
+ }
+
+ Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Unknown variable \"%s\"!",
+ NGIRCd_ConfFile, Line, Var );
+} /* Handle_GLOBAL */
+
+
+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 ( 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 ) {
+ /* 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;
+ }
+ 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 */
+
+
+static void
+Handle_SERVER( int Line, char *Var, char *Arg )
+{
+ long port;
+ size_t len;
+
+ 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 */
+ 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 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, "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 to which this server should connect */
+ port = atol( Arg );
+ 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;
+ }
+
+ Config_Error( LOG_ERR, "%s, line %d (section \"Server\"): Unknown variable \"%s\"!",
+ NGIRCd_ConfFile, Line, Var );
+} /* Handle_SERVER */
+
+
+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 ) {
+ /* Name of the channel */
+ len = strlcpy( Conf_Channel[chancount].name, Arg, sizeof( Conf_Channel[chancount].name ));
+ if (len >= sizeof( Conf_Channel[chancount].name ))
+ 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;
+ }
+
+ Config_Error( LOG_ERR, "%s, line %d (section \"Channel\"): Unknown variable \"%s\"!",
+ NGIRCd_ConfFile, Line, Var );
+} /* Handle_CHANNEL */
+
+
+static void
+Validate_Config( bool Configtest )
+{
+ /* Validate configuration settings. */
+
+#ifdef DEBUG
+ int i, servers, servers_once;
+#endif
+
+ if( ! Conf_ServerName[0] ) {
+ /* 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 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;
+
+ Server->conn_id = NONE;
+} /* Init_Server_Struct */
/* -eof- */