/*
* ngIRCd -- The Next Generation IRC Daemon
- * Copyright (c)2001,2002 by Alexander Barton (alex@barton.de)
+ * Copyright (c)2001-2012 Alexander Barton (alex@barton.de) and Contributors.
*
- * 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.
- *
- * $Id: conf.c,v 1.20 2002/03/25 19:11:01 alex Exp $
- *
- * conf.h: Konfiguration des ngircd
+ * 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.
*/
-
#include "portab.h"
+/**
+ * @file
+ * Configuration management (reading, parsing & validation)
+ */
+
#include "imp.h"
#include <assert.h>
+#include <ctype.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>
+
-#include "client.h"
+#include "array.h"
+#include "ngircd.h"
+#include "conn.h"
+#include "channel.h"
#include "defines.h"
#include "log.h"
+#include "match.h"
#include "tool.h"
#include "exp.h"
#include "conf.h"
-LOCAL VOID Read_Config( VOID );
+static bool Use_Log = true, Using_MotdFile = true;
+static CONF_SERVER New_Server;
+static int New_Server_Idx;
+
+static char Conf_MotdFile[FNAME_LEN];
+
+static void Set_Defaults PARAMS(( bool InitServers ));
+static bool Read_Config PARAMS(( bool TestOnly, bool IsStarting ));
+static bool Validate_Config PARAMS(( bool TestOnly, bool Rehash ));
+
+static void Handle_GLOBAL PARAMS(( int Line, char *Var, char *Arg ));
+static void Handle_LIMITS PARAMS(( int Line, char *Var, char *Arg ));
+static void Handle_OPTIONS 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_Section PARAMS(( const int Line, const char *Item,
+ const char *Section ));
+static void Config_Error_TooLong PARAMS(( const int LINE, const char *Value ));
+
+static void Init_Server_Struct PARAMS(( CONF_SERVER *Server ));
+
+
+#ifdef WANT_IPV6
+#define DEFAULT_LISTEN_ADDRSTR "::,0.0.0.0"
+#else
+#define DEFAULT_LISTEN_ADDRSTR "0.0.0.0"
+#endif
+
+
+#ifdef SSL_SUPPORT
-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 );
+static void Handle_SSL PARAMS(( int Line, char *Var, char *Ark ));
-LOCAL VOID Validate_Config( VOID );
+struct SSLOptions Conf_SSLOptions;
+/**
+ * Initialize SSL configuration.
+ */
+static void
+ConfSSL_Init(void)
+{
+ free(Conf_SSLOptions.KeyFile);
+ Conf_SSLOptions.KeyFile = NULL;
+
+ free(Conf_SSLOptions.CertFile);
+ Conf_SSLOptions.CertFile = NULL;
+
+ free(Conf_SSLOptions.DHFile);
+ Conf_SSLOptions.DHFile = NULL;
+ array_free_wipe(&Conf_SSLOptions.KeyFilePassword);
-GLOBAL VOID Conf_Init( VOID )
+ array_free(&Conf_SSLOptions.ListenPorts);
+}
+
+/**
+ * Make sure that a configured file is readable.
+ *
+ * Currently, this function is only used for SSL-related options ...
+ *
+ * @param Var Configuration variable
+ * @param Filename Configured filename
+ */
+static void
+CheckFileReadable(const char *Var, const char *Filename)
{
- /* Konfigurationsvariablen initialisieren: zunaechst Default-
- * Werte setzen, dann Konfigurationsdtaei einlesen. */
+ FILE *fp;
- strcpy( Conf_File, CONFIG_FILE );
+ if (!Filename)
+ return;
- strcpy( Conf_ServerName, "" );
- strcpy( Conf_ServerInfo, PACKAGE" "VERSION );
- strcpy( Conf_ServerPwd, "" );
+ fp = fopen(Filename, "r");
+ if (fp)
+ fclose(fp);
+ else
+ Config_Error(LOG_ERR, "Can't read \"%s\" (\"%s\"): %s",
+ Filename, Var, strerror(errno));
+}
- strcpy( Conf_MotdFile, MOTD_FILE );
+#endif
- Conf_ListenPorts_Count = 0;
-
- Conf_PingTimeout = 120;
- Conf_PongTimeout = 20;
- Conf_ConnectRetry = 60;
+/**
+ * Duplicate string and warn on errors.
+ *
+ * @returns Pointer to string on success, NULL otherwise.
+ */
+static char *
+strdup_warn(const char *str)
+{
+ char *ptr = strdup(str);
+ if (!ptr)
+ Config_Error(LOG_ERR,
+ "Could not allocate memory for string: %s", str);
+ return ptr;
+}
+
+/**
+ * Output a comma separated list of ports (integer values).
+ */
+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);
+}
+
+/**
+ * Parse a comma separated string into an array of port numbers (integers).
+ */
+static void
+ports_parse(array *a, int Line, char *Arg)
+{
+ char *ptr;
+ int port;
+ UINT16 port16;
+
+ array_trunc(a);
+
+ ptr = strtok( Arg, "," );
+ while (ptr) {
+ ngt_TrimStr(ptr);
+ port = atoi(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, "," );
+ }
+}
+
+/**
+ * Initialize configuration module.
+ */
+GLOBAL void
+Conf_Init( void )
+{
+ Read_Config(false, true);
+ Validate_Config(false, false);
+}
+
+/**
+ * "Rehash" (reload) server configuration.
+ *
+ * @returns true if configuration has been re-read, false on errors.
+ */
+GLOBAL bool
+Conf_Rehash( void )
+{
+ if (!Read_Config(false, false))
+ return false;
+ Validate_Config(false, true);
+
+ /* Update CLIENT structure of local server */
+ Client_SetInfo(Client_ThisServer(), Conf_ServerInfo);
+ return true;
+}
+
+/**
+ * Output a boolean value as "yes/no" string.
+ */
+static const char*
+yesno_to_str(int boolean_value)
+{
+ if (boolean_value)
+ return "yes";
+ return "no";
+}
+
+/**
+ * Free all IRC operator configuration structures.
+ */
+static void
+opers_free(void)
+{
+ struct Conf_Oper *op;
+ size_t len;
+
+ len = array_length(&Conf_Opers, sizeof(*op));
+ op = array_start(&Conf_Opers);
+ while (len--) {
+ free(op->mask);
+ op++;
+ }
+ array_free(&Conf_Opers);
+}
+
+/**
+ * Output all IRC operator configuration structures.
+ */
+static void
+opers_puts(void)
+{
+ struct Conf_Oper *op;
+ size_t count, i;
+
+ count = array_length(&Conf_Opers, sizeof(*op));
+ op = array_start(&Conf_Opers);
+ for (i = 0; i < count; i++, op++) {
+ if (!op->name[0])
+ continue;
+
+ puts("[OPERATOR]");
+ printf(" Name = %s\n", op->name);
+ printf(" Password = %s\n", op->pwd);
+ printf(" Mask = %s\n\n", op->mask ? op->mask : "");
+ }
+}
+
+/**
+ * Read configuration, validate and output it.
+ *
+ * This function waits for a keypress of the user when stdin/stdout are valid
+ * tty's ("you can read our nice message and we can read in your keypress").
+ *
+ * @return 0 on succes, 1 on failure(s); therefore the result code can
+ * directly be used by exit() when running "ngircd --configtest".
+ */
+GLOBAL int
+Conf_Test( void )
+{
+ struct passwd *pwd;
+ struct group *grp;
+ unsigned int i;
+ bool config_valid;
+ size_t predef_channel_count;
+ struct Conf_Channel *predef_chan;
+
+ Use_Log = false;
+
+ if (!Read_Config(true, true))
+ return 1;
+
+ config_valid = Validate_Config(true, false);
+
+ /* Valid tty? */
+ if(isatty(fileno(stdin)) && isatty(fileno(stdout))) {
+ puts("OK, press enter to see a dump of your server configuration ...");
+ getchar();
+ } else
+ puts("Ok, dump of your server configuration follows:\n");
+
+ puts("[GLOBAL]");
+ printf(" Name = %s\n", Conf_ServerName);
+ printf(" AdminInfo1 = %s\n", Conf_ServerAdmin1);
+ printf(" AdminInfo2 = %s\n", Conf_ServerAdmin2);
+ printf(" AdminEMail = %s\n", Conf_ServerAdminMail);
+ printf(" Info = %s\n", Conf_ServerInfo);
+ printf(" Listen = %s\n", Conf_ListenAddress);
+ if (Using_MotdFile) {
+ printf(" MotdFile = %s\n", Conf_MotdFile);
+ printf(" MotdPhrase =\n");
+ } else {
+ printf(" MotdFile = \n");
+ printf(" MotdPhrase = %s\n", array_bytes(&Conf_Motd)
+ ? (const char*) array_start(&Conf_Motd) : "");
+ }
+#ifndef PAM
+ printf(" Password = %s\n", Conf_ServerPwd);
+#endif
+ printf(" PidFile = %s\n", Conf_PidFile);
+ printf(" Ports = ");
+ ports_puts(&Conf_ListenPorts);
+ grp = getgrgid(Conf_GID);
+ if (grp)
+ printf(" ServerGID = %s\n", grp->gr_name);
+ else
+ printf(" ServerGID = %ld\n", (long)Conf_GID);
+ pwd = getpwuid(Conf_UID);
+ if (pwd)
+ printf(" ServerUID = %s\n", pwd->pw_name);
+ else
+ printf(" ServerUID = %ld\n", (long)Conf_UID);
+ puts("");
+
+ puts("[LIMITS]");
+ printf(" ConnectRetry = %d\n", Conf_ConnectRetry);
+ printf(" MaxConnections = %d\n", Conf_MaxConnections);
+ printf(" MaxConnectionsIP = %d\n", Conf_MaxConnectionsIP);
+ printf(" MaxJoins = %d\n", Conf_MaxJoins > 0 ? Conf_MaxJoins : -1);
+ printf(" MaxNickLength = %u\n", Conf_MaxNickLength - 1);
+ printf(" MaxListSize = %d\n", Conf_MaxListSize);
+ printf(" PingTimeout = %d\n", Conf_PingTimeout);
+ printf(" PongTimeout = %d\n", Conf_PongTimeout);
+ puts("");
+
+ puts("[OPTIONS]");
+ printf(" AllowRemoteOper = %s\n", yesno_to_str(Conf_AllowRemoteOper));
+ printf(" ChrootDir = %s\n", Conf_Chroot);
+ printf(" CloakHost = %s\n", Conf_CloakHost);
+ printf(" CloakHostModeX = %s\n", Conf_CloakHostModeX);
+ printf(" CloakHostSalt = %s\n", Conf_CloakHostSalt);
+ printf(" CloakUserToNick = %s\n", yesno_to_str(Conf_CloakUserToNick));
+#ifdef WANT_IPV6
+ printf(" ConnectIPv4 = %s\n", yesno_to_str(Conf_ConnectIPv6));
+ printf(" ConnectIPv6 = %s\n", yesno_to_str(Conf_ConnectIPv4));
+#endif
+ printf(" DNS = %s\n", yesno_to_str(Conf_DNS));
+#ifdef IDENT
+ printf(" Ident = %s\n", yesno_to_str(Conf_Ident));
+#endif
+ printf(" MorePrivacy = %s\n", yesno_to_str(Conf_MorePrivacy));
+ printf(" NoticeAuth = %s\n", yesno_to_str(Conf_NoticeAuth));
+ printf(" OperCanUseMode = %s\n", yesno_to_str(Conf_OperCanMode));
+ printf(" OperChanPAutoOp = %s\n", yesno_to_str(Conf_OperChanPAutoOp));
+ printf(" OperServerMode = %s\n", yesno_to_str(Conf_OperServerMode));
+#ifdef PAM
+ printf(" PAM = %s\n", yesno_to_str(Conf_PAM));
+ printf(" PAMIsOptional = %s\n", yesno_to_str(Conf_PAMIsOptional));
+#endif
+ printf(" PredefChannelsOnly = %s\n", yesno_to_str(Conf_PredefChannelsOnly));
+#ifndef STRICT_RFC
+ printf(" RequireAuthPing = %s\n", yesno_to_str(Conf_AuthPing));
+#endif
+ printf(" ScrubCTCP = %s\n", yesno_to_str(Conf_ScrubCTCP));
+#ifdef SYSLOG
+ printf(" SyslogFacility = %s\n",
+ ngt_SyslogFacilityName(Conf_SyslogFacility));
+#endif
+ printf(" WebircPassword = %s\n", Conf_WebircPwd);
+ puts("");
+
+#ifdef SSL_SUPPORT
+ puts("[SSL]");
+ printf(" CertFile = %s\n", Conf_SSLOptions.CertFile
+ ? Conf_SSLOptions.CertFile : "");
+ printf(" DHFile = %s\n", Conf_SSLOptions.DHFile
+ ? Conf_SSLOptions.DHFile : "");
+ printf(" KeyFile = %s\n", Conf_SSLOptions.KeyFile
+ ? Conf_SSLOptions.KeyFile : "");
+ if (array_bytes(&Conf_SSLOptions.KeyFilePassword))
+ puts(" KeyFilePassword = <secret>");
+ else
+ puts(" KeyFilePassword = ");
+ array_free_wipe(&Conf_SSLOptions.KeyFilePassword);
+ printf(" Ports = ");
+ ports_puts(&Conf_SSLOptions.ListenPorts);
+ puts("");
+#endif
+
+ opers_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 );
+#ifdef SSL_SUPPORT
+ printf( " SSLConnect = %s\n", Conf_Server[i].SSLConnect?"yes":"no");
+#endif
+ printf( " MyPassword = %s\n", Conf_Server[i].pwd_in );
+ printf( " PeerPassword = %s\n", Conf_Server[i].pwd_out );
+ printf( " ServiceMask = %s\n", Conf_Server[i].svs_mask);
+ printf( " Group = %d\n", Conf_Server[i].group );
+ printf( " Passive = %s\n\n", Conf_Server[i].flags & CONF_SFLAG_DISABLED ? "yes" : "no");
+ }
+
+ predef_channel_count = array_length(&Conf_Channels, sizeof(*predef_chan));
+ predef_chan = array_start(&Conf_Channels);
+
+ for (i = 0; i < predef_channel_count; i++, predef_chan++) {
+ if (!predef_chan->name[0])
+ continue;
+
+ /* Valid "Channel" section */
+ puts( "[CHANNEL]" );
+ printf(" Name = %s\n", predef_chan->name);
+ printf(" Modes = %s\n", predef_chan->modes);
+ printf(" Key = %s\n", predef_chan->key);
+ printf(" MaxUsers = %lu\n", predef_chan->maxusers);
+ printf(" Topic = %s\n", predef_chan->topic);
+ printf(" KeyFile = %s\n\n", predef_chan->keyfile);
+ }
+
+ return (config_valid ? 0 : 1);
+}
+
+/**
+ * Remove connection information from configured server.
+ *
+ * If the server is set as "once", delete it from our configuration;
+ * otherwise set the time for the next connection attempt.
+ *
+ * Non-server connections will be silently ignored.
+ */
+GLOBAL void
+Conf_UnsetServer( CONN_ID Idx )
+{
+ 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;
+ }
+ }
+}
+
+/**
+ * Set connection information for specified configured server.
+ */
+GLOBAL void
+Conf_SetServer( int ConfServer, CONN_ID Idx )
+{
+ assert( ConfServer > NONE );
+ assert( Idx > NONE );
+
+ if (Conf_Server[ConfServer].conn_id > NONE &&
+ Conf_Server[ConfServer].conn_id != Idx) {
+ Log(LOG_ALERT,
+ "Trying to update connection index for already registered server \"%s\": %d/%d - ignored.",
+ Conf_Server[ConfServer].name,
+ Conf_Server[ConfServer].conn_id, Idx);
+ return;
+ }
+ Conf_Server[ConfServer].conn_id = Idx;
+}
+
+/**
+ * Get index of server in configuration structure.
+ */
+GLOBAL int
+Conf_GetServer( CONN_ID Idx )
+{
+ int i = 0;
+
+ assert( Idx > NONE );
+
+ for( i = 0; i < MAX_SERVERS; i++ ) {
+ if( Conf_Server[i].conn_id == Idx ) return i;
+ }
+ return NONE;
+}
+
+/**
+ * Enable a server by name and adjust its port number.
+ *
+ * @returns true if a server has been enabled and now has a valid port
+ * number and host name for outgoing connections.
+ */
+GLOBAL bool
+Conf_EnableServer( const char *Name, UINT16 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 (Conf_Server[i].port && Conf_Server[i].host[0]);
+ }
+ }
+ return false;
+}
+
+/**
+ * Enable a server by name.
+ *
+ * The server is only usable as outgoing server, if it has set a valid port
+ * number for outgoing connections!
+ * If not, you have to use Conf_EnableServer() function to make it available.
+ *
+ * @returns true if a server has been enabled; false otherwise.
+ */
+GLOBAL bool
+Conf_EnablePassiveServer(const char *Name)
+{
+ 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_Oper_Count = 0;
+/**
+ * Disable a server by name.
+ * An already established connection will be disconnected.
+ *
+ * @returns true if a server was found and has been disabled.
+ */
+GLOBAL bool
+Conf_DisableServer( const char *Name )
+{
+ 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;
+}
+
+/**
+ * Add a new remote server to our configuration.
+ *
+ * @param Name Name of the new server.
+ * @param Port Port number to connect to or 0 for incoming connections.
+ * @param Host Host name to connect to.
+ * @param MyPwd Password that will be sent to the peer.
+ * @param PeerPwd Password that must be received from the peer.
+ * @returns true if the new server has been added; false otherwise.
+ */
+GLOBAL bool
+Conf_AddServer(const char *Name, UINT16 Port, const char *Host,
+ const char *MyPwd, const char *PeerPwd)
+{
+ 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;
+}
+
+/**
+ * Check if the given nick name is reserved for services on a particular server.
+ *
+ * @param ConfServer The server index to check.
+ * @param Nick The nick name to check.
+ * @returns true if the given nick name belongs to an "IRC service".
+ */
+GLOBAL bool
+Conf_NickIsService(int ConfServer, const char *Nick)
+{
+ assert (ConfServer >= 0);
+ assert (ConfServer < MAX_SERVERS);
- Conf_Server_Count = 0;
+ return MatchCaseInsensitiveList(Conf_Server[ConfServer].svs_mask,
+ Nick, ",");
+}
- /* Konfigurationsdatei einlesen und validieren */
- Read_Config( );
- Validate_Config( );
-} /* Config_Init */
+/**
+ * Check if the given nick name is blocked for "normal client" use.
+ *
+ * @param ConfServer The server index or NONE to check all configured servers.
+ * @param Nick The nick name to check.
+ * @returns true if the given nick name belongs to an "IRC service".
+ */
+GLOBAL bool
+Conf_NickIsBlocked(const char *Nick)
+{
+ int i;
+ for(i = 0; i < MAX_SERVERS; i++) {
+ if (!Conf_Server[i].name[0])
+ continue;
+ if (Conf_NickIsService(i, Nick))
+ return true;
+ }
+ return false;
+}
-GLOBAL VOID Conf_Exit( VOID )
+/**
+ * Initialize configuration settings with their default values.
+ */
+static void
+Set_Defaults(bool InitServers)
{
- /* ... */
-} /* Config_Exit */
+ int i;
+ char random[RANDOM_SALT_LEN + 1];
+
+ /* Global */
+ strcpy(Conf_ServerName, "");
+ strcpy(Conf_ServerAdmin1, "");
+ strcpy(Conf_ServerAdmin2, "");
+ strcpy(Conf_ServerAdminMail, "");
+ snprintf(Conf_ServerInfo, sizeof Conf_ServerInfo, "%s %s",
+ PACKAGE_NAME, PACKAGE_VERSION);
+ free(Conf_ListenAddress);
+ Conf_ListenAddress = NULL;
+ array_free(&Conf_ListenPorts);
+ array_free(&Conf_Motd);
+ strlcpy(Conf_MotdFile, SYSCONFDIR, sizeof(Conf_MotdFile));
+ strlcat(Conf_MotdFile, MOTD_FILE, sizeof(Conf_MotdFile));
+ strcpy(Conf_ServerPwd, "");
+ strlcpy(Conf_PidFile, PID_FILE, sizeof(Conf_PidFile));
+ Conf_UID = Conf_GID = 0;
+
+ /* Limits */
+ Conf_ConnectRetry = 60;
+ Conf_MaxConnections = 0;
+ Conf_MaxConnectionsIP = 5;
+ Conf_MaxJoins = 10;
+ Conf_MaxNickLength = CLIENT_NICK_LEN_DEFAULT;
+ Conf_MaxListSize = 100;
+ Conf_PingTimeout = 120;
+ Conf_PongTimeout = 20;
+
+ /* Options */
+ Conf_AllowRemoteOper = false;
+#ifndef STRICT_RFC
+ Conf_AuthPing = false;
+#endif
+ strlcpy(Conf_Chroot, CHROOT_DIR, sizeof(Conf_Chroot));
+ strcpy(Conf_CloakHost, "");
+ strcpy(Conf_CloakHostModeX, "");
+ strcpy(Conf_CloakHostSalt, ngt_RandomStr(random, RANDOM_SALT_LEN));
+ Conf_CloakUserToNick = false;
+ Conf_ConnectIPv4 = true;
+#ifdef WANT_IPV6
+ Conf_ConnectIPv6 = true;
+#else
+ Conf_ConnectIPv6 = false;
+#endif
+ Conf_DNS = true;
+#ifdef IDENTAUTH
+ Conf_Ident = true;
+#else
+ Conf_Ident = false;
+#endif
+ Conf_MorePrivacy = false;
+ Conf_NoticeAuth = false;
+ Conf_OperCanMode = false;
+ Conf_OperChanPAutoOp = true;
+ Conf_OperServerMode = false;
+#ifdef PAM
+ Conf_PAM = true;
+#else
+ Conf_PAM = false;
+#endif
+ Conf_PAMIsOptional = false;
+ Conf_PredefChannelsOnly = false;
+#ifdef SYSLOG
+ Conf_ScrubCTCP = false;
+#ifdef LOG_LOCAL5
+ Conf_SyslogFacility = LOG_LOCAL5;
+#else
+ Conf_SyslogFacility = 0;
+#endif
+#endif
+
+ /* Initialize server configuration structures */
+ if (InitServers) {
+ for (i = 0; i < MAX_SERVERS;
+ Init_Server_Struct(&Conf_Server[i++]));
+ }
+}
+/**
+ * Get number of configured listening ports.
+ *
+ * @returns The number of ports (IPv4+IPv6) on which the server should listen.
+ */
+static bool
+no_listenports(void)
+{
+ size_t cnt = array_bytes(&Conf_ListenPorts);
+#ifdef SSL_SUPPORT
+ cnt += array_bytes(&Conf_SSLOptions.ListenPorts);
+#endif
+ return cnt == 0;
+}
-LOCAL VOID Read_Config( VOID )
+/**
+ * Read MOTD ("message of the day") file.
+ *
+ * @param filename Name of the file to read.
+ */
+static void
+Read_Motd(const char *filename)
{
- /* Konfigurationsdatei einlesen. */
+ char line[127];
+ FILE *fp;
+
+ if (*filename == '\0')
+ return;
+
+ fp = fopen(filename, "r");
+ if (!fp) {
+ Config_Error(LOG_WARNING, "Can't read MOTD file \"%s\": %s",
+ filename, strerror(errno));
+ return;
+ }
+
+ array_free(&Conf_Motd);
+ Using_MotdFile = true;
+
+ while (fgets(line, (int)sizeof line, fp)) {
+ ngt_TrimLastChr( line, '\n');
+
+ /* add text including \0 */
+ if (!array_catb(&Conf_Motd, line, strlen(line) + 1)) {
+ Log(LOG_WARNING, "Cannot add MOTD text: %s", strerror(errno));
+ break;
+ }
+ }
+ fclose(fp);
+}
- CHAR section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr;
- INT line;
+/**
+ * Read ngIRCd configuration file.
+ *
+ * Please note that this function uses exit(1) on fatal errors and therefore
+ * can result in ngIRCd terminating!
+ *
+ * @param ngircd_starting Flag indicating if ngIRCd is starting or not.
+ * @returns true when the configuration file has been read
+ * successfully; false otherwise.
+ */
+static bool
+Read_Config(bool TestOnly, bool IsStarting)
+{
+ char section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr;
+ const UINT16 defaultport = 6667;
+ int line, i, n;
+ size_t count;
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 (!IsStarting)
+ return false;
+ Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME );
exit( 1 );
}
+ opers_free();
+ Set_Defaults(IsStarting);
+
+ if (TestOnly)
+ 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;
+#ifdef SSL_SUPPORT
+ ConfSSL_Init();
+#endif
+ /* 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, "" );
- Conf_Oper_Count++;
+ /* 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
+ || strcasecmp(section, "[LIMITS]") == 0
+ || strcasecmp(section, "[OPTIONS]") == 0
+#ifdef SSL_SUPPORT
+ || strcasecmp(section, "[SSL]") == 0
+#endif
+ )
+ 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) {
+ count = array_length(&Conf_Channels,
+ sizeof(struct Conf_Channel));
+ if (!array_alloc(&Conf_Channels,
+ sizeof(struct Conf_Channel),
+ count)) {
+ Config_Error(LOG_ERR,
+ "Could not allocate memory for new operator (line %d)",
+ line);
}
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].group = -1;
- Conf_Server[Conf_Server_Count].lasttry = time( NULL ) - Conf_ConnectRetry + STARTUP_DELAY;
- Conf_Server[Conf_Server_Count].res_stat = NULL;
- Conf_Server_Count++;
+
+ if (strcasecmp(section, "[OPERATOR]") == 0) {
+ count = array_length(&Conf_Opers,
+ sizeof(struct Conf_Oper));
+ if (!array_alloc(&Conf_Opers,
+ sizeof(struct Conf_Oper),
+ count)) {
+ Config_Error(LOG_ERR,
+ "Could not allocate memory for new channel (line &d)",
+ line);
}
continue;
}
- Log( LOG_ERR, "%s, line %d: Unknown section \"%s\"!", Conf_File, line, section );
+
+ 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';
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 Log( LOG_ERR, "%s, line %d: Variable \"%s\" outside section!", Conf_File, line, var );
+ if(strcasecmp(section, "[GLOBAL]") == 0)
+ Handle_GLOBAL(line, var, arg);
+ else if(strcasecmp(section, "[LIMITS]") == 0)
+ Handle_LIMITS(line, var, arg);
+ else if(strcasecmp(section, "[OPTIONS]") == 0)
+ Handle_OPTIONS(line, var, arg);
+#ifdef SSL_SUPPORT
+ else if(strcasecmp(section, "[SSL]") == 0)
+ Handle_SSL(line, var, arg);
+#endif
+ 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);
}
-
- fclose( fd );
-} /* Read_Config */
+ /* Close configuration file */
+ fclose( fd );
-GLOBAL VOID Handle_GLOBAL( INT Line, CHAR *Var, CHAR *Arg )
-{
- CHAR *ptr;
- INT32 port;
-
- assert( Line > 0 );
- assert( Var != NULL );
- assert( Arg != NULL );
-
- if( strcasecmp( Var, "Name" ) == 0 )
- {
- /* Der Server-Name */
- strncpy( Conf_ServerName, Arg, CLIENT_ID_LEN - 1 );
- Conf_ServerName[CLIENT_ID_LEN - 1] = '\0';
- return;
- }
- if( strcasecmp( Var, "Info" ) == 0 )
- {
- /* Server-Info-Text */
- strncpy( Conf_ServerInfo, Arg, CLIENT_INFO_LEN - 1 );
- Conf_ServerInfo[CLIENT_INFO_LEN - 1] = '\0';
- return;
- }
- if( strcasecmp( Var, "Password" ) == 0 )
- {
- /* Server-Passwort */
- strncpy( Conf_ServerPwd, Arg, CLIENT_PASS_LEN - 1 );
- 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 );
- else
- {
- if( port > 0 && port < 0xFFFF ) Conf_ListenPorts[Conf_ListenPorts_Count++] = (INT)port;
- else Log( LOG_ERR, "%s, line %d (section \"Global\"): Illegal port number %ld!", Conf_File, Line, port );
- }
- ptr = strtok( NULL, "," );
- }
- return;
- }
- if( strcasecmp( Var, "MotdFile" ) == 0 )
- {
- /* Datei mit der "message of the day" (MOTD) */
- strncpy( Conf_MotdFile, Arg, FNAME_LEN - 1 );
- Conf_MotdFile[FNAME_LEN - 1] = '\0';
- return;
+ /* 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( strcasecmp( Var, "PingTimeout" ) == 0 )
- {
- /* PING-Timeout */
- Conf_PingTimeout = atoi( Arg );
- if(( Conf_PingTimeout ) < 5 ) Conf_PingTimeout = 5;
- return;
- }
- if( strcasecmp( Var, "PongTimeout" ) == 0 )
+
+ /* not a single listening port? Add default. */
+ if (no_listenports() &&
+ !array_copyb(&Conf_ListenPorts, (char*) &defaultport, sizeof defaultport))
{
- /* PONG-Timeout */
- Conf_PongTimeout = atoi( Arg );
- if(( Conf_PongTimeout ) < 5 ) Conf_PongTimeout = 5;
- return;
+ Config_Error(LOG_ALERT, "Could not add default listening Port %u: %s",
+ (unsigned int) defaultport, strerror(errno));
+
+ exit(1);
}
- if( strcasecmp( Var, "ConnectRetry" ) == 0 )
- {
- /* Sekunden zwischen Verbindungsversuchen zu anderen Servern */
- Conf_ConnectRetry = atoi( Arg );
- if(( Conf_ConnectRetry ) < 5 ) Conf_ConnectRetry = 5;
- return;
+
+ if (!Conf_ListenAddress)
+ Conf_ListenAddress = strdup_warn(DEFAULT_LISTEN_ADDRSTR);
+
+ if (!Conf_ListenAddress) {
+ Config_Error(LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME);
+ exit(1);
}
-
- Log( LOG_ERR, "%s, line %d (section \"Global\"): Unknown variable \"%s\"!", Conf_File, Line, Var );
-} /* Handle_GLOBAL */
+ /* No MOTD phrase configured? (re)try motd file. */
+ if (array_bytes(&Conf_Motd) == 0)
+ Read_Motd(Conf_MotdFile);
+
+#ifdef SSL_SUPPORT
+ /* Make sure that all SSL-related files are readable */
+ CheckFileReadable("CertFile", Conf_SSLOptions.CertFile);
+ CheckFileReadable("DHFile", Conf_SSLOptions.DHFile);
+ CheckFileReadable("KeyFile", Conf_SSLOptions.KeyFile);
+#endif
+
+ return true;
+}
-GLOBAL VOID Handle_OPERATOR( INT Line, CHAR *Var, CHAR *Arg )
+/**
+ * Check whether a string argument is "true" or "false".
+ *
+ * @param Arg Input string.
+ * @returns true if the input string has been parsed as "yes", "true"
+ * (case insensitive) or a non-zero integer value.
+ */
+static bool
+Check_ArgIsTrue(const char *Arg)
{
- assert( Line > 0 );
- assert( Var != NULL );
- assert( Arg != NULL );
- assert( Conf_Oper_Count > 0 );
+ if (strcasecmp(Arg, "yes") == 0)
+ return true;
+ if (strcasecmp(Arg, "true") == 0)
+ return true;
+ if (atoi(Arg) != 0)
+ return true;
- if( strcasecmp( Var, "Name" ) == 0 )
- {
- /* Name des IRC Operator */
- strncpy( Conf_Oper[Conf_Oper_Count - 1].name, Arg, CLIENT_ID_LEN - 1 );
- Conf_Oper[Conf_Oper_Count - 1].name[CLIENT_ID_LEN - 1] = '\0';
- return;
+ return false;
+}
+
+/**
+ * Handle setting of "MaxNickLength".
+ *
+ * @param Line Line number in configuration file.
+ * @raram Arg Input string.
+ * @returns New configured maximum nick name length.
+ */
+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( strcasecmp( Var, "Password" ) == 0 )
- {
- /* Passwort des IRC Operator */
- strncpy( Conf_Oper[Conf_Oper_Count - 1].pwd, Arg, CLIENT_PASS_LEN - 1 );
- Conf_Oper[Conf_Oper_Count - 1].pwd[CLIENT_PASS_LEN - 1] = '\0';
- return;
+ if (new < 2) {
+ Config_Error(LOG_WARNING,
+ "%s, line %d: Value of \"MaxNickLength\" must be at least 1!",
+ NGIRCd_ConfFile, Line);
+ return 2;
}
-
- Log( LOG_ERR, "%s, line %d (section \"Operator\"): Unknown variable \"%s\"!", Conf_File, Line, Var );
-} /* Handle_OPERATOR */
+ return new;
+}
-
-GLOBAL VOID Handle_SERVER( INT Line, CHAR *Var, CHAR *Arg )
+/**
+ * Output a warning messages if IDENT is configured but not compiled in.
+ */
+static void
+WarnIdent(int UNUSED Line)
{
- INT32 port;
-
- assert( Line > 0 );
- assert( Var != NULL );
- assert( Arg != NULL );
+#ifndef IDENTAUTH
+ if (Conf_Ident) {
+ /* user has enabled ident lookups explicitly, but ... */
+ Config_Error(LOG_WARNING,
+ "%s: line %d: \"Ident = yes\", but ngircd was built without IDENT support!",
+ NGIRCd_ConfFile, Line);
+ }
+#endif
+}
- if( strcasecmp( Var, "Host" ) == 0 )
- {
- /* Hostname des Servers */
- strncpy( Conf_Server[Conf_Server_Count - 1].host, Arg, HOST_LEN - 1 );
- Conf_Server[Conf_Server_Count - 1].host[HOST_LEN - 1] = '\0';
+/**
+ * Output a warning messages if IPv6 is configured but not compiled in.
+ */
+static void
+WarnIPv6(int UNUSED Line)
+{
+#ifndef WANT_IPV6
+ if (Conf_ConnectIPv6) {
+ /* user has enabled IPv6 explicitly, but ... */
+ Config_Error(LOG_WARNING,
+ "%s: line %d: \"ConnectIPv6 = yes\", but ngircd was built without IPv6 support!",
+ NGIRCd_ConfFile, Line);
+ }
+#endif
+}
+
+/**
+ * Output a warning messages if PAM is configured but not compiled in.
+ */
+static void
+WarnPAM(int UNUSED Line)
+{
+#ifndef PAM
+ if (Conf_PAM) {
+ Config_Error(LOG_WARNING,
+ "%s: line %d: \"PAM = yes\", but ngircd was built without PAM support!",
+ NGIRCd_ConfFile, Line);
+ }
+#endif
+}
+
+/**
+ * Handle legacy "NoXXX" options in [GLOBAL] section.
+ *
+ * TODO: This function and support for "NoXXX" could be removed starting
+ * with ngIRCd release 19 (one release after marking it "deprecated").
+ *
+ * @param Var Variable name.
+ * @param Arg Argument string.
+ * @returns true if a NoXXX option has been processed; false otherwise.
+ */
+static bool
+CheckLegacyNoOption(const char *Var, const char *Arg)
+{
+ if(strcasecmp(Var, "NoDNS") == 0) {
+ Conf_DNS = !Check_ArgIsTrue( Arg );
+ return true;
+ }
+ if (strcasecmp(Var, "NoIdent") == 0) {
+ Conf_Ident = !Check_ArgIsTrue(Arg);
+ return true;
+ }
+ if(strcasecmp(Var, "NoPAM") == 0) {
+ Conf_PAM = !Check_ArgIsTrue(Arg);
+ return true;
+ }
+ return false;
+}
+
+/**
+ * Handle deprecated legacy options in [GLOBAL] section.
+ *
+ * TODO: This function and support for these options in the [Global] section
+ * could be removed starting with ngIRCd release 19 (one release after
+ * marking it "deprecated").
+ *
+ * @param Var Variable name.
+ * @param Arg Argument string.
+ * @returns true if a legacy option has been processed; false otherwise.
+ */
+static const char*
+CheckLegacyGlobalOption(int Line, char *Var, char *Arg)
+{
+ if (strcasecmp(Var, "AllowRemoteOper") == 0
+ || strcasecmp(Var, "ChrootDir") == 0
+ || strcasecmp(Var, "ConnectIPv4") == 0
+ || strcasecmp(Var, "ConnectIPv6") == 0
+ || strcasecmp(Var, "OperCanUseMode") == 0
+ || strcasecmp(Var, "OperChanPAutoOp") == 0
+ || strcasecmp(Var, "OperServerMode") == 0
+ || strcasecmp(Var, "PredefChannelsOnly") == 0
+ || strcasecmp(Var, "SyslogFacility") == 0
+ || strcasecmp(Var, "WebircPassword") == 0) {
+ Handle_OPTIONS(Line, Var, Arg);
+ return "[Options]";
+ }
+ if (strcasecmp(Var, "ConnectRetry") == 0
+ || strcasecmp(Var, "MaxConnections") == 0
+ || strcasecmp(Var, "MaxConnectionsIP") == 0
+ || strcasecmp(Var, "MaxJoins") == 0
+ || strcasecmp(Var, "MaxNickLength") == 0
+ || strcasecmp(Var, "PingTimeout") == 0
+ || strcasecmp(Var, "PongTimeout") == 0) {
+ Handle_LIMITS(Line, Var, Arg);
+ return "[Limits]";
+ }
+#ifdef SSL_SUPPORT
+ if (strcasecmp(Var, "SSLCertFile") == 0
+ || strcasecmp(Var, "SSLDHFile") == 0
+ || strcasecmp(Var, "SSLKeyFile") == 0
+ || strcasecmp(Var, "SSLKeyFilePassword") == 0
+ || strcasecmp(Var, "SSLPorts") == 0) {
+ Handle_SSL(Line, Var + 3, Arg);
+ return "[SSL]";
+ }
+#endif
+
+ return NULL;
+}
+
+/**
+ * Strip "no" prefix of a string.
+ *
+ * TODO: This function and support for "NoXXX" should be removed starting
+ * with ngIRCd release 19! (One release after marking it "deprecated").
+ *
+ * @param str Pointer to input string starting with "no".
+ * @returns New pointer to string without "no" prefix.
+ */
+static const char *
+NoNo(const char *str)
+{
+ assert(strncasecmp("no", str, 2) == 0 && str[2]);
+ return str + 2;
+}
+
+/**
+ * Invert "boolean" string.
+ *
+ * TODO: This function and support for "NoXXX" should be removed starting
+ * with ngIRCd release 19! (One release after marking it "deprecated").
+ *
+ * @param arg "Boolean" input string.
+ * @returns Pointer to inverted "boolean string".
+ */
+static const char *
+InvertArg(const char *arg)
+{
+ return yesno_to_str(!Check_ArgIsTrue(arg));
+}
+
+/**
+ * Handle variable in [Global] configuration section.
+ *
+ * @param Line Line numer in configuration file.
+ * @param Var Variable name.
+ * @param Arg Variable argument.
+ */
+static void
+Handle_GLOBAL( int Line, char *Var, char *Arg )
+{
+ struct passwd *pwd;
+ struct group *grp;
+ size_t len;
+ const char *section;
+
+ assert(Line > 0);
+ assert(Var != NULL);
+ assert(Arg != NULL);
+
+ if (strcasecmp(Var, "Name") == 0) {
+ len = strlcpy(Conf_ServerName, Arg, sizeof(Conf_ServerName));
+ if (len >= sizeof(Conf_ServerName))
+ 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_ID_LEN - 1 );
- Conf_Server[Conf_Server_Count - 1].name[CLIENT_ID_LEN - 1] = '\0';
+ if (strcasecmp(Var, "AdminInfo1") == 0) {
+ len = strlcpy(Conf_ServerAdmin1, Arg, sizeof(Conf_ServerAdmin1));
+ if (len >= sizeof(Conf_ServerAdmin1))
+ 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 - 1 );
- Conf_Server[Conf_Server_Count - 1].pwd[CLIENT_PASS_LEN - 1] = '\0';
+ if (strcasecmp(Var, "AdminInfo2") == 0) {
+ len = strlcpy(Conf_ServerAdmin2, Arg, sizeof(Conf_ServerAdmin2));
+ if (len >= sizeof(Conf_ServerAdmin2))
+ Config_Error_TooLong(Line, Var);
return;
}
- if( strcasecmp( Var, "Port" ) == 0 )
- {
- /* Port, zu dem Verbunden werden soll */
+ if (strcasecmp(Var, "AdminEMail") == 0) {
+ len = strlcpy(Conf_ServerAdminMail, Arg,
+ sizeof(Conf_ServerAdminMail));
+ if (len >= sizeof(Conf_ServerAdminMail))
+ Config_Error_TooLong(Line, Var);
+ return;
+ }
+ if (strcasecmp(Var, "Info") == 0) {
+ len = strlcpy(Conf_ServerInfo, Arg, sizeof(Conf_ServerInfo));
+ if (len >= sizeof(Conf_ServerInfo))
+ Config_Error_TooLong(Line, Var);
+ return;
+ }
+ if (strcasecmp(Var, "Listen") == 0) {
+ 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;
+ }
+ if (strcasecmp(Var, "MotdFile") == 0) {
+ len = strlcpy(Conf_MotdFile, Arg, sizeof(Conf_MotdFile));
+ if (len >= sizeof(Conf_MotdFile))
+ Config_Error_TooLong(Line, Var);
+ return;
+ }
+ if (strcasecmp(Var, "MotdPhrase") == 0) {
+ len = strlen(Arg);
+ if (len == 0)
+ return;
+ if (len >= LINE_LEN) {
+ Config_Error_TooLong(Line, Var);
+ return;
+ }
+ if (!array_copyb(&Conf_Motd, Arg, len + 1))
+ Config_Error(LOG_WARNING,
+ "%s, line %d: Could not append MotdPhrase: %s",
+ NGIRCd_ConfFile, Line, strerror(errno));
+ Using_MotdFile = false;
+ return;
+ }
+ if(strcasecmp(Var, "Password") == 0) {
+ len = strlcpy(Conf_ServerPwd, Arg, sizeof(Conf_ServerPwd));
+ if (len >= sizeof(Conf_ServerPwd))
+ Config_Error_TooLong(Line, Var);
+ return;
+ }
+ if (strcasecmp(Var, "PidFile") == 0) {
+ len = strlcpy(Conf_PidFile, Arg, sizeof(Conf_PidFile));
+ if (len >= sizeof(Conf_PidFile))
+ Config_Error_TooLong(Line, Var);
+ return;
+ }
+ if (strcasecmp(Var, "Ports") == 0) {
+ ports_parse(&Conf_ListenPorts, Line, Arg);
+ return;
+ }
+ if (strcasecmp(Var, "ServerGID") == 0) {
+ grp = getgrnam(Arg);
+ if (grp)
+ Conf_GID = grp->gr_gid;
+ else {
+ Conf_GID = (unsigned int)atoi(Arg);
+ if (!Conf_GID && strcmp(Arg, "0"))
+ Config_Error(LOG_WARNING,
+ "%s, line %d: Value of \"%s\" is not a valid group name or ID!",
+ NGIRCd_ConfFile, Line, Var);
+ }
+ return;
+ }
+ if (strcasecmp(Var, "ServerUID") == 0) {
+ pwd = getpwnam(Arg);
+ if (pwd)
+ Conf_UID = pwd->pw_uid;
+ else {
+ Conf_UID = (unsigned int)atoi(Arg);
+ if (!Conf_UID && strcmp(Arg, "0"))
+ Config_Error(LOG_WARNING,
+ "%s, line %d: Value of \"%s\" is not a valid user name or ID!",
+ NGIRCd_ConfFile, Line, Var);
+ }
+ return;
+ }
+
+ if (CheckLegacyNoOption(Var, Arg)) {
+ /* TODO: This function and support for "NoXXX" could be
+ * be removed starting with ngIRCd release 19 (one release
+ * after marking it "deprecated"). */
+ Config_Error(LOG_WARNING,
+ "%s, line %d (section \"Global\"): \"No\"-Prefix is deprecated, use \"%s = %s\" in [Options] section!",
+ NGIRCd_ConfFile, Line, NoNo(Var), InvertArg(Arg));
+ if (strcasecmp(Var, "NoIdent") == 0)
+ WarnIdent(Line);
+ else if (strcasecmp(Var, "NoPam") == 0)
+ WarnPAM(Line);
+ return;
+ }
+ if ((section = CheckLegacyGlobalOption(Line, Var, Arg))) {
+ /** TODO: This function and support for these options in the
+ * [Global] section could be removed starting with ngIRCd
+ * release 19 (one release after marking it "deprecated"). */
+ if (strncasecmp(Var, "SSL", 3) == 0) {
+ Config_Error(LOG_WARNING,
+ "%s, line %d (section \"Global\"): \"%s\" is deprecated here, move it to %s and rename to \"%s\"!",
+ NGIRCd_ConfFile, Line, Var, section,
+ Var + 3);
+ } else {
+ Config_Error(LOG_WARNING,
+ "%s, line %d (section \"Global\"): \"%s\" is deprecated here, move it to %s!",
+ NGIRCd_ConfFile, Line, Var, section);
+ }
+ return;
+ }
+
+ Config_Error_Section(Line, Var, "Global");
+}
+
+/**
+ * Handle variable in [Limits] configuration section.
+ *
+ * @param Line Line numer in configuration file.
+ * @param Var Variable name.
+ * @param Arg Variable argument.
+ */
+static void
+Handle_LIMITS(int Line, char *Var, char *Arg)
+{
+ assert(Line > 0);
+ assert(Var != NULL);
+ assert(Arg != NULL);
+
+ if (strcasecmp(Var, "ConnectRetry") == 0) {
+ 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, "MaxConnections") == 0) {
+ Conf_MaxConnections = atoi(Arg);
+ if (!Conf_MaxConnections && strcmp(Arg, "0"))
+ Config_Error_NaN(Line, Var);
+ return;
+ }
+ if (strcasecmp(Var, "MaxConnectionsIP") == 0) {
+ Conf_MaxConnectionsIP = atoi(Arg);
+ if (!Conf_MaxConnectionsIP && strcmp(Arg, "0"))
+ Config_Error_NaN(Line, Var);
+ return;
+ }
+ if (strcasecmp(Var, "MaxJoins") == 0) {
+ Conf_MaxJoins = atoi(Arg);
+ if (!Conf_MaxJoins && strcmp(Arg, "0"))
+ Config_Error_NaN(Line, Var);
+ return;
+ }
+ if (strcasecmp(Var, "MaxNickLength") == 0) {
+ Conf_MaxNickLength = Handle_MaxNickLength(Line, Arg);
+ return;
+ }
+ if (strcasecmp(Var, "MaxListSize") == 0) {
+ Conf_MaxListSize = atoi(Arg);
+ if (!Conf_MaxListSize && strcmp(Arg, "0"))
+ Config_Error_NaN(Line, Var);
+ return;
+ }
+ if (strcasecmp(Var, "PingTimeout") == 0) {
+ 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) {
+ 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;
+ }
+
+ Config_Error_Section(Line, Var, "Limits");
+}
+
+/**
+ * Handle variable in [Options] configuration section.
+ *
+ * @param Line Line numer in configuration file.
+ * @param Var Variable name.
+ * @param Arg Variable argument.
+ */
+static void
+Handle_OPTIONS(int Line, char *Var, char *Arg)
+{
+ size_t len;
+
+ assert(Line > 0);
+ assert(Var != NULL);
+ assert(Arg != NULL);
+
+ if (strcasecmp(Var, "AllowRemoteOper") == 0) {
+ Conf_AllowRemoteOper = Check_ArgIsTrue(Arg);
+ return;
+ }
+ if (strcasecmp(Var, "ChrootDir") == 0) {
+ len = strlcpy(Conf_Chroot, Arg, sizeof(Conf_Chroot));
+ if (len >= sizeof(Conf_Chroot))
+ Config_Error_TooLong(Line, Var);
+ return;
+ }
+ if (strcasecmp(Var, "CloakHost") == 0) {
+ len = strlcpy(Conf_CloakHost, Arg, sizeof(Conf_CloakHost));
+ if (len >= sizeof(Conf_CloakHost))
+ Config_Error_TooLong(Line, Var);
+ return;
+ }
+ if (strcasecmp(Var, "CloakHostModeX") == 0) {
+ len = strlcpy(Conf_CloakHostModeX, Arg, sizeof(Conf_CloakHostModeX));
+ if (len >= sizeof(Conf_CloakHostModeX))
+ Config_Error_TooLong(Line, Var);
+ return;
+ }
+ if (strcasecmp(Var, "CloakHostSalt") == 0) {
+ len = strlcpy(Conf_CloakHostSalt, Arg, sizeof(Conf_CloakHostSalt));
+ if (len >= sizeof(Conf_CloakHostSalt))
+ Config_Error_TooLong(Line, Var);
+ return;
+ }
+ if (strcasecmp(Var, "CloakUserToNick") == 0) {
+ Conf_CloakUserToNick = Check_ArgIsTrue(Arg);
+ return;
+ }
+ if (strcasecmp(Var, "ConnectIPv6") == 0) {
+ Conf_ConnectIPv6 = Check_ArgIsTrue(Arg);
+ WarnIPv6(Line);
+ return;
+ }
+ if (strcasecmp(Var, "ConnectIPv4") == 0) {
+ Conf_ConnectIPv4 = Check_ArgIsTrue(Arg);
+ return;
+ }
+ if (strcasecmp(Var, "DNS") == 0) {
+ Conf_DNS = Check_ArgIsTrue(Arg);
+ return;
+ }
+ if (strcasecmp(Var, "Ident") == 0) {
+ Conf_Ident = Check_ArgIsTrue(Arg);
+ WarnIdent(Line);
+ return;
+ }
+ if (strcasecmp(Var, "MorePrivacy") == 0) {
+ Conf_MorePrivacy = Check_ArgIsTrue(Arg);
+ return;
+ }
+ if (strcasecmp(Var, "NoticeAuth") == 0) {
+ Conf_NoticeAuth = Check_ArgIsTrue(Arg);
+ return;
+ }
+ if (strcasecmp(Var, "OperCanUseMode") == 0) {
+ Conf_OperCanMode = Check_ArgIsTrue(Arg);
+ return;
+ }
+ if (strcasecmp(Var, "OperChanPAutoOp") == 0) {
+ Conf_OperChanPAutoOp = Check_ArgIsTrue(Arg);
+ return;
+ }
+ if (strcasecmp(Var, "OperServerMode") == 0) {
+ Conf_OperServerMode = Check_ArgIsTrue(Arg);
+ return;
+ }
+ if (strcasecmp(Var, "PAM") == 0) {
+ Conf_PAM = Check_ArgIsTrue(Arg);
+ WarnPAM(Line);
+ return;
+ }
+ if (strcasecmp(Var, "PAMIsOptional") == 0 ) {
+ Conf_PAMIsOptional = Check_ArgIsTrue(Arg);
+ return;
+ }
+ if (strcasecmp(Var, "PredefChannelsOnly") == 0) {
+ Conf_PredefChannelsOnly = Check_ArgIsTrue(Arg);
+ return;
+ }
+#ifndef STRICT_RFC
+ if (strcasecmp(Var, "RequireAuthPing") == 0) {
+ Conf_AuthPing = Check_ArgIsTrue(Arg);
+ return;
+ }
+#endif
+ if (strcasecmp(Var, "ScrubCTCP") == 0) {
+ Conf_ScrubCTCP = Check_ArgIsTrue(Arg);
+ return;
+ }
+#ifdef SYSLOG
+ if (strcasecmp(Var, "SyslogFacility") == 0) {
+ Conf_SyslogFacility = ngt_SyslogFacilityID(Arg,
+ Conf_SyslogFacility);
+ return;
+ }
+#endif
+ if (strcasecmp(Var, "WebircPassword") == 0) {
+ len = strlcpy(Conf_WebircPwd, Arg, sizeof(Conf_WebircPwd));
+ if (len >= sizeof(Conf_WebircPwd))
+ Config_Error_TooLong(Line, Var);
+ return;
+ }
+
+ Config_Error_Section(Line, Var, "Options");
+}
+
+#ifdef SSL_SUPPORT
+
+/**
+ * Handle variable in [SSL] configuration section.
+ *
+ * @param Line Line numer in configuration file.
+ * @param Var Variable name.
+ * @param Arg Variable argument.
+ */
+static void
+Handle_SSL(int Line, char *Var, char *Arg)
+{
+ assert(Line > 0);
+ assert(Var != NULL);
+ assert(Arg != NULL);
+
+ if (strcasecmp(Var, "CertFile") == 0) {
+ assert(Conf_SSLOptions.CertFile == NULL);
+ Conf_SSLOptions.CertFile = strdup_warn(Arg);
+ return;
+ }
+ if (strcasecmp(Var, "DHFile") == 0) {
+ assert(Conf_SSLOptions.DHFile == NULL);
+ Conf_SSLOptions.DHFile = strdup_warn(Arg);
+ return;
+ }
+ if (strcasecmp(Var, "KeyFile") == 0) {
+ assert(Conf_SSLOptions.KeyFile == NULL);
+ Conf_SSLOptions.KeyFile = strdup_warn(Arg);
+ return;
+ }
+ if (strcasecmp(Var, "KeyFilePassword") == 0) {
+ assert(array_bytes(&Conf_SSLOptions.KeyFilePassword) == 0);
+ if (!array_copys(&Conf_SSLOptions.KeyFilePassword, Arg))
+ Config_Error(LOG_ERR,
+ "%s, line %d (section \"SSL\"): Could not copy %s: %s!",
+ NGIRCd_ConfFile, Line, Var,
+ strerror(errno));
+ return;
+ }
+ if (strcasecmp(Var, "Ports") == 0) {
+ ports_parse(&Conf_SSLOptions.ListenPorts, Line, Arg);
+ return;
+ }
+
+ Config_Error_Section(Line, Var, "SSL");
+}
+
+#endif
+
+/**
+ * Handle variable in [Operator] configuration section.
+ *
+ * @param Line Line numer in configuration file.
+ * @param Var Variable name.
+ * @param Arg Variable argument.
+ */
+static void
+Handle_OPERATOR( int Line, char *Var, char *Arg )
+{
+ size_t len;
+ struct Conf_Oper *op;
+
+ assert( Line > 0 );
+ assert( Var != NULL );
+ assert( Arg != NULL );
+
+ op = array_get(&Conf_Opers, sizeof(*op),
+ array_length(&Conf_Opers, sizeof(*op)) - 1);
+ if (!op)
+ return;
+
+ if (strcasecmp(Var, "Name") == 0) {
+ /* Name of IRC operator */
+ len = strlcpy(op->name, Arg, sizeof(op->name));
+ if (len >= sizeof(op->name))
+ Config_Error_TooLong(Line, Var);
+ return;
+ }
+ if (strcasecmp(Var, "Password") == 0) {
+ /* Password of IRC operator */
+ len = strlcpy(op->pwd, Arg, sizeof(op->pwd));
+ if (len >= sizeof(op->pwd))
+ Config_Error_TooLong(Line, Var);
+ return;
+ }
+ if (strcasecmp(Var, "Mask") == 0) {
+ if (op->mask)
+ return; /* Hostname already configured */
+ op->mask = strdup_warn( Arg );
+ return;
+ }
+
+ Config_Error_Section(Line, Var, "Operator");
+}
+
+/**
+ * Handle variable in [Server] configuration section.
+ *
+ * @param Line Line numer in configuration file.
+ * @param Var Variable name.
+ * @param Arg Variable argument.
+ */
+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, "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 to which this server should connect */
port = atol( Arg );
- if( port > 0 && port < 0xFFFF ) Conf_Server[Conf_Server_Count - 1].port = (INT)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-Gruppe */
- Conf_Server[Conf_Server_Count - 1].group = atoi( Arg );
+#ifdef SSL_SUPPORT
+ if( strcasecmp( Var, "SSLConnect" ) == 0 ) {
+ New_Server.SSLConnect = Check_ArgIsTrue(Arg);
+ return;
+ }
+#endif
+ if( strcasecmp( Var, "Group" ) == 0 ) {
+ /* Server group */
+ New_Server.group = atoi( Arg );
+ if (!New_Server.group && strcmp(Arg, "0"))
+ Config_Error_NaN(Line, Var);
+ return;
+ }
+ if( strcasecmp( Var, "Passive" ) == 0 ) {
+ if (Check_ArgIsTrue(Arg))
+ New_Server.flags |= CONF_SFLAG_DISABLED;
+ return;
+ }
+ if (strcasecmp(Var, "ServiceMask") == 0) {
+ len = strlcpy(New_Server.svs_mask, ngt_LowerStr(Arg),
+ sizeof(New_Server.svs_mask));
+ if (len >= sizeof(New_Server.svs_mask))
+ Config_Error_TooLong(Line, Var);
return;
}
-
- Log( LOG_ERR, "%s, line %d (section \"Server\"): Unknown variable \"%s\"!", Conf_File, Line, Var );
-} /* Handle_SERVER */
+ Config_Error_Section(Line, Var, "Server");
+}
-LOCAL VOID Validate_Config( VOID )
+/**
+ * Copy channel name into channel structure.
+ *
+ * If the channel name is not valid because of a missing prefix ('#', '&'),
+ * a default prefix of '#' will be added.
+ *
+ * @param new_chan New already allocated channel structure.
+ * @param name Name of the new channel.
+ * @returns true on success, false otherwise.
+ */
+static bool
+Handle_Channelname(struct Conf_Channel *new_chan, const char *name)
{
- /* Konfiguration ueberpruefen */
-
- if( ! Conf_ServerName[0] )
- {
- /* Kein Servername konfiguriert */
- Log( LOG_ALERT, "No server name configured in \"%s\"!", Conf_File );
- Log( LOG_ALERT, PACKAGE" exiting due to fatal errors!" );
- exit( 1 );
+ size_t size = sizeof(new_chan->name);
+ char *dest = new_chan->name;
+
+ if (!Channel_IsValidName(name)) {
+ /*
+ * maybe user forgot to add a '#'.
+ * This is only here for user convenience.
+ */
+ *dest = '#';
+ --size;
+ ++dest;
+ }
+ return size > strlcpy(dest, name, size);
+}
+
+/**
+ * Handle variable in [Channel] configuration section.
+ *
+ * @param Line Line numer in configuration file.
+ * @param Var Variable name.
+ * @param Arg Variable argument.
+ */
+static void
+Handle_CHANNEL(int Line, char *Var, char *Arg)
+{
+ size_t len;
+ struct Conf_Channel *chan;
+
+ assert( Line > 0 );
+ assert( Var != NULL );
+ assert( Arg != NULL );
+
+ chan = array_get(&Conf_Channels, sizeof(*chan),
+ array_length(&Conf_Channels, sizeof(*chan)) - 1);
+ if (!chan)
+ return;
+
+ if (strcasecmp(Var, "Name") == 0) {
+ if (!Handle_Channelname(chan, Arg))
+ Config_Error_TooLong(Line, Var);
+ return;
+ }
+ if (strcasecmp(Var, "Modes") == 0) {
+ /* Initial modes */
+ len = strlcpy(chan->modes, Arg, sizeof(chan->modes));
+ if (len >= sizeof(chan->modes))
+ Config_Error_TooLong( Line, Var );
+ return;
+ }
+ if( strcasecmp( Var, "Topic" ) == 0 ) {
+ /* Initial topic */
+ len = strlcpy(chan->topic, Arg, sizeof(chan->topic));
+ if (len >= sizeof(chan->topic))
+ Config_Error_TooLong( Line, Var );
+ return;
+ }
+ if( strcasecmp( Var, "Key" ) == 0 ) {
+ /* Initial Channel Key (mode k) */
+ len = strlcpy(chan->key, Arg, sizeof(chan->key));
+ if (len >= sizeof(chan->key))
+ Config_Error_TooLong(Line, Var);
+ return;
+ }
+ if( strcasecmp( Var, "MaxUsers" ) == 0 ) {
+ /* maximum user limit, mode l */
+ chan->maxusers = (unsigned long) atol(Arg);
+ if (!chan->maxusers && strcmp(Arg, "0"))
+ Config_Error_NaN(Line, Var);
+ return;
+ }
+ if (strcasecmp(Var, "KeyFile") == 0) {
+ /* channel keys */
+ len = strlcpy(chan->keyfile, Arg, sizeof(chan->keyfile));
+ if (len >= sizeof(chan->keyfile))
+ Config_Error_TooLong(Line, Var);
+ return;
}
-} /* Validate_Config */
+
+ Config_Error_Section(Line, Var, "Channel");
+}
+
+/**
+ * Validate server configuration.
+ *
+ * Please note that this function uses exit(1) on fatal errors and therefore
+ * can result in ngIRCd terminating!
+ *
+ * @param Configtest true if the daemon has been called with "--configtest".
+ * @param Rehash true if re-reading configuration on runtime.
+ * @returns true if configuration is valid.
+ */
+static bool
+Validate_Config(bool Configtest, bool Rehash)
+{
+ /* Validate configuration settings. */
+
+#ifdef DEBUG
+ int i, servers, servers_once;
+#endif
+ bool config_valid = true;
+ char *ptr;
+
+ /* Emit a warning when the config file is not a full path name */
+ if (NGIRCd_ConfFile[0] && NGIRCd_ConfFile[0] != '/') {
+ Config_Error(LOG_WARNING,
+ "Not specifying a full path name to \"%s\" can cause problems when rehashing the server!",
+ NGIRCd_ConfFile);
+ }
+
+ /* 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_valid = false;
+ 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_valid = false;
+ 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_valid = false;
+ 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 PAM
+ if (Conf_ServerPwd[0])
+ Config_Error(LOG_ERR,
+ "This server uses PAM, \"Password\" in [Global] section will be ignored!");
+#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=%ld, Servers=%d[%d], Channels=%ld",
+ array_length(&Conf_Opers, sizeof(struct Conf_Oper)),
+ servers, servers_once,
+ array_length(&Conf_Channels, sizeof(struct Conf_Channel)));
+#endif
+
+ return config_valid;
+}
+
+/**
+ * Output "line too long" warning.
+ *
+ * @param Line Line number in configuration file.
+ * @param Item Affected variable name.
+ */
+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 );
+}
+
+/**
+ * Output "unknown variable" warning.
+ *
+ * @param Line Line number in configuration file.
+ * @param Item Affected variable name.
+ * @param Section Section name.
+ */
+static void
+Config_Error_Section(const int Line, const char *Item, const char *Section)
+{
+ Config_Error(LOG_ERR, "%s, line %d (section \"%s\"): Unknown variable \"%s\"!",
+ NGIRCd_ConfFile, Line, Section, Item);
+}
+
+/**
+ * Output "not a number" warning.
+ *
+ * @param Line Line number in configuration file.
+ * @param Item Affected variable name.
+ */
+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 );
+}
+
+/**
+ * Output configuration error to console and/or logfile.
+ *
+ * On runtime, the normal log functions of the daemon are used. But when
+ * testing the configuration ("--configtest"), all messages go directly
+ * to the console.
+ *
+ * @param Level Severity level of the message.
+ * @param Format Format string; see printf() function.
+ */
+#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
+{
+ 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 );
+
+ if (!Use_Log) {
+ if (Level <= LOG_WARNING)
+ printf(" - %s\n", msg);
+ else
+ puts(msg);
+ } else
+ Log(Level, "%s", msg);
+}
+
+#ifdef DEBUG
+
+/**
+ * Dump internal state of the "configuration module".
+ */
+GLOBAL void
+Conf_DebugDump(void)
+{
+ int i;
+
+ Log(LOG_DEBUG, "Configured servers:");
+ for (i = 0; i < MAX_SERVERS; i++) {
+ if (! Conf_Server[i].name[0])
+ continue;
+ Log(LOG_DEBUG,
+ " - %s: %s:%d, last=%ld, group=%d, flags=%d, conn=%d",
+ Conf_Server[i].name, Conf_Server[i].host,
+ Conf_Server[i].port, Conf_Server[i].lasttry,
+ Conf_Server[i].group, Conf_Server[i].flags,
+ Conf_Server[i].conn_id);
+ }
+}
+
+#endif
+
+/**
+ * Initialize server configuration structur to default values.
+ *
+ * @param Server Pointer to server structure to initialize.
+ */
+static void
+Init_Server_Struct( CONF_SERVER *Server )
+{
+ 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;
+
+ Proc_InitStruct(&Server->res_stat);
+ Server->conn_id = NONE;
+ memset(&Server->bind_addr, 0, sizeof(Server->bind_addr));
+}
/* -eof- */
projects / ngircd-alex.git / blobdiff