+LOCAL 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 */
+
+
+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_TooLong( Line, Var );
+
+ return;
+ }
+ if( strcasecmp( Var, "Info" ) == 0 )
+ {
+ /* Info text of server */
+ if( strlcpy( Conf_ServerInfo, Arg, sizeof( Conf_ServerInfo )) >= sizeof( Conf_ServerInfo ))
+ Config_Error_TooLong ( Line, Var );
+
+ return;
+ }
+ if( strcasecmp( Var, "Password" ) == 0 )
+ {
+ /* Global server password */
+ if( strlcpy( Conf_ServerPwd, Arg, sizeof( Conf_ServerPwd )) >= sizeof( Conf_ServerPwd ))
+ Config_Error_TooLong( Line, Var );
+
+ return;
+ }
+ if( strcasecmp( Var, "AdminInfo1" ) == 0 )
+ {
+ /* Administrative info #1 */
+ if( strlcpy( Conf_ServerAdmin1, Arg, sizeof( Conf_ServerAdmin1 )) >= sizeof( Conf_ServerAdmin1 )) Config_Error_TooLong ( Line, Var );
+ return;
+ }
+ if( strcasecmp( Var, "AdminInfo2" ) == 0 )
+ {
+ /* Administrative info #2 */
+ if( strlcpy( Conf_ServerAdmin2, Arg, sizeof( Conf_ServerAdmin2 )) >= sizeof( Conf_ServerAdmin2 )) Config_Error_TooLong ( Line, Var );
+ return;
+ }
+ if( strcasecmp( Var, "AdminEMail" ) == 0 )
+ {
+ /* Administrative email contact */
+ if( strlcpy( Conf_ServerAdminMail, Arg, sizeof( Conf_ServerAdminMail )) >= sizeof( Conf_ServerAdminMail )) Config_Error_TooLong( Line, Var );
+ 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++] = (UINT16)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_TooLong( Line, Var );
+
+ 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_TooLong( Line, Var );
+
+ return;
+ }
+ if( strcasecmp( Var, "ChrootDir" ) == 0 )
+ {
+ /* directory for chroot() */
+ if( strlcpy( Conf_Chroot, Arg, sizeof( Conf_Chroot )) >= sizeof( Conf_Chroot ))
+ Config_Error_TooLong( Line, Var );
+
+ return;
+ }
+
+ if ( strcasecmp( Var, "PidFile" ) == 0 )
+ {
+ /* name of pidfile */
+ if( strlcpy( Conf_PidFile, Arg, sizeof( Conf_PidFile )) >= 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 simoultanous connections from one IP. Values <= 0 are equal to "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 */
+ if( strlcpy( Conf_ListenAddress, Arg, sizeof( Conf_ListenAddress )) >= 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 */
+
+
+LOCAL void
+Handle_OPERATOR( int Line, char *Var, char *Arg )
+{
+ unsigned int len;
+ 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_TooLong( Line, Var );
+ 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_TooLong( Line, Var );
+ return;
+ }
+ if( strcasecmp( Var, "Mask" ) == 0 )
+ {
+ if (Conf_Oper[Conf_Oper_Count - 1].mask) return; /* Hostname already configured */
+ len = strlen( Arg ) + 1;
+ Conf_Oper[Conf_Oper_Count - 1].mask = malloc( len );
+ if (! Conf_Oper[Conf_Oper_Count - 1].mask) {
+ Config_Error( LOG_ERR, "%s, line %d: Cannot allocate memory for operator mask: %s", NGIRCd_ConfFile, Line, strerror(errno) );
+ return;
+ }
+
+ strlcpy( Conf_Oper[Conf_Oper_Count - 1].mask, Arg, len);
+ 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_TooLong ( Line, Var );
+
+ 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_TooLong( Line, Var );
+ 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_TooLong( Line, Var );
+ 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_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 */
+
+
+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_TooLong( Line, Var );
+ 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_TooLong( Line, Var );
+ 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_TooLong( Line, Var );
+
+ return;
+ }
+
+ Config_Error( LOG_ERR, "%s, line %d (section \"Channel\"): Unknown variable \"%s\"!", NGIRCd_ConfFile, Line, Var );
+} /* Handle_CHANNEL */
+
+
+LOCAL 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 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 */
+
+
+LOCAL 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 );
+}
+
+LOCAL 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
+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 );
+
+ 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 */
+
+