ngircd-tor/src/ngircd/conf.c

993 lines
29 KiB
C

/*
* ngIRCd -- The Next Generation IRC Daemon
* Copyright (c)2001,2002 Alexander Barton (alex@barton.de)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* Please read the file COPYING, README and AUTHORS for more information.
*
* Configuration management (reading, parsing & validation)
*/
#include "portab.h"
static char UNUSED id[] = "$Id: conf.c,v 1.64 2004/05/07 11:19:21 alex Exp $";
#include "imp.h"
#include <assert.h>
#include <errno.h>
#include <stdarg.h>
#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 "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"
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 INT
Conf_Test( VOID )
{
/* 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 );
/* 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, "" );
sprintf( 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 ));
Conf_ListenPorts_Count = 0;
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_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 )
{
/* Read configuration file. */
CHAR section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr;
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] );
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 )
{
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 */
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 )
{
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 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 )
{
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, "," );
}
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
{
#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 );
}
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( LOG_WARNING, "%s, line %d: Value of \"ServerGID\" is not a number!", NGIRCd_ConfFile, Line );
else
#endif
Conf_GID = (UINT)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? */
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 ))
{
Config_Error( LOG_WARNING, "%s, line %d: Value of \"Listen\" too long!", NGIRCd_ConfFile, Line );
}
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;
}
Config_Error( LOG_ERR, "%s, line %d (section \"Operator\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
} /* Handle_OPERATOR */
LOCAL VOID
Handle_SERVER( INT Line, CHAR *Var, CHAR *Arg )
{
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] )
{
/* 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- */