+ /* Enable specified server */
+ int i;
+
+ assert( Name != NULL );
+ for (i = 0; i < MAX_SERVERS; i++) {
+ if ((strcasecmp( Conf_Server[i].name, Name ) == 0) && (Conf_Server[i].port > 0)) {
+ /* BINGO! Enable server */
+ Conf_Server[i].flags &= ~CONF_SFLAG_DISABLED;
+ return true;
+ }
+ }
+ return false;
+} /* Conf_EnablePassiveServer */
+
+
+GLOBAL bool
+Conf_DisableServer( const char *Name )
+{
+ /* Enable specified server and adjust port */
+
+ int i;
+
+ assert( Name != NULL );
+
+ for( i = 0; i < MAX_SERVERS; i++ ) {
+ if( strcasecmp( Conf_Server[i].name, Name ) == 0 ) {
+ /* Gotcha! Disable and disconnect server: */
+ Conf_Server[i].flags |= CONF_SFLAG_DISABLED;
+ if( Conf_Server[i].conn_id > NONE ) Conn_Close( Conf_Server[i].conn_id, NULL, "Server link terminated on operator request", true);
+ return true;
+ }
+ }
+ return false;
+} /* Conf_DisableServer */
+
+
+GLOBAL bool
+Conf_AddServer( const char *Name, UINT16 Port, const char *Host, const char *MyPwd, const 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 */
+
+
+/**
+ * Check if the given nick name is an service
+ */
+GLOBAL bool
+Conf_IsService(int ConfServer, const char *Nick)
+{
+ return MatchCaseInsensitive(Conf_Server[ConfServer].svs_mask, Nick);
+} /* Conf_IsService */
+
+
+static void
+Set_Defaults_Optional(void)
+{
+#ifdef IDENTAUTH
+ Conf_Ident = true;
+#else
+ Conf_Ident = false;
+#endif
+#ifdef PAM
+ Conf_PAM = true;
+#else
+ Conf_PAM = false;
+#endif
+}
+
+
+/**
+ * Initialize configuration settings with their default values.
+ */
+static void
+Set_Defaults(bool InitServers)
+{
+ int i;
+
+ strcpy(Conf_ServerName, "");
+ snprintf(Conf_ServerInfo, sizeof Conf_ServerInfo, "%s %s",
+ PACKAGE_NAME, PACKAGE_VERSION);
+ strcpy(Conf_ServerPwd, "");
+
+ strcpy(Conf_ServerAdmin1, "");
+ strcpy(Conf_ServerAdmin2, "");
+ strcpy(Conf_ServerAdminMail, "");
+
+ strlcpy(Conf_MotdFile, SYSCONFDIR, sizeof(Conf_MotdFile));
+ strlcat(Conf_MotdFile, MOTD_FILE, sizeof(Conf_MotdFile));
+
+ Conf_UID = Conf_GID = 0;
+ strlcpy(Conf_Chroot, CHROOT_DIR, sizeof(Conf_Chroot));
+ strlcpy(Conf_PidFile, PID_FILE, sizeof(Conf_PidFile));
+
+ free(Conf_ListenAddress);
+ Conf_ListenAddress = NULL;
+
+ Conf_PingTimeout = 120;
+ Conf_PongTimeout = 20;
+ Conf_ConnectRetry = 60;
+ Conf_DNS = true;
+ Conf_NoticeAuth = false;
+
+ Conf_Oper_Count = 0;
+ Conf_Channel_Count = 0;
+
+ Conf_OperCanMode = false;
+ Conf_OperServerMode = false;
+ Conf_AllowRemoteOper = false;
+ Conf_PredefChannelsOnly = false;
+
+ Conf_ConnectIPv4 = true;
+ Conf_ConnectIPv6 = true;
+
+ Conf_MaxConnections = 0;
+ Conf_MaxConnectionsIP = 5;
+ Conf_MaxJoins = 10;
+ Conf_MaxNickLength = CLIENT_NICK_LEN_DEFAULT;
+
+ strcpy(Conf_CloakHost, "");
+ Conf_CloakUserToNick = false;
+
+#ifdef SYSLOG
+#ifdef LOG_LOCAL5
+ Conf_SyslogFacility = LOG_LOCAL5;
+#else
+ Conf_SyslogFacility = 0;
+#endif
+#endif
+
+#ifndef STRICT_RFC
+ Conf_AuthPing = false;
+#endif
+
+ Set_Defaults_Optional();
+
+ /* Initialize server configuration structures */
+ if (InitServers) {
+ for (i = 0; i < MAX_SERVERS;
+ Init_Server_Struct(&Conf_Server[i++]));
+ }
+
+ /* Free MOTD; this is important when reloading the configuration */
+ array_free(&Conf_Motd);
+} /* Set_Defaults */
+
+
+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;
+}
+
+static void
+Read_Motd(const char *filename)
+{
+ 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);
+}
+
+static bool
+Read_Config( bool ngircd_starting )
+{
+ /* Read configuration file. */
+
+ char section[LINE_LEN], str[LINE_LEN], *var, *arg, *ptr;
+ const UINT16 defaultport = 6667;
+ int line, i, n;
+ FILE *fd;
+
+ /* Open configuration file */
+ fd = fopen( NGIRCd_ConfFile, "r" );
+ if( ! fd ) {
+ /* No configuration file found! */
+ Config_Error( LOG_ALERT, "Can't read configuration \"%s\": %s",
+ NGIRCd_ConfFile, strerror( errno ));
+ if (!ngircd_starting)
+ return false;
+ Config_Error( LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME );
+ exit( 1 );
+ }
+
+ opers_free();
+ Set_Defaults( ngircd_starting );
+
+ Config_Error( LOG_INFO, "Reading configuration from \"%s\" ...", NGIRCd_ConfFile );
+
+ /* Clean up server configuration structure: mark all already
+ * configured servers as "once" so that they are deleted
+ * after the next disconnect and delete all unused servers.
+ * And delete all servers which are "duplicates" of servers
+ * that are already marked as "once" (such servers have been
+ * created by the last rehash but are now useless). */
+ for( i = 0; i < MAX_SERVERS; i++ ) {
+ if( Conf_Server[i].conn_id == NONE ) Init_Server_Struct( &Conf_Server[i] );
+ else {
+ /* This structure is in use ... */
+ if( Conf_Server[i].flags & CONF_SFLAG_ONCE ) {
+ /* Check for duplicates */
+ for( n = 0; n < MAX_SERVERS; n++ ) {
+ if( n == i ) continue;
+
+ if( Conf_Server[i].conn_id == Conf_Server[n].conn_id ) {
+ Init_Server_Struct( &Conf_Server[n] );
+#ifdef DEBUG
+ Log(LOG_DEBUG,"Deleted unused duplicate server %d (kept %d).",
+ n, i );
+#endif
+ }
+ }
+ } else {
+ /* Mark server as "once" */
+ Conf_Server[i].flags |= CONF_SFLAG_ONCE;
+ Log( LOG_DEBUG, "Marked server %d as \"once\"", i );
+ }
+ }
+ }
+
+ /* Initialize variables */
+ line = 0;
+ strcpy( section, "" );
+ 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++;
+
+ /* 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 ||
+ strcasecmp( section, "[FEATURES]") == 0)
+ 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) {
+ Conf_Channel_Count++;
+ continue;
+ }
+ if (strcasecmp(section, "[OPERATOR]") == 0) {
+ Conf_Oper_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, "[FEATURES]" ) == 0 ) Handle_FEATURES( 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;
+ }
+
+ /* not a single listening port? Add default. */
+ if (no_listenports() &&
+ !array_copyb(&Conf_ListenPorts, (char*) &defaultport, sizeof defaultport))
+ {
+ Config_Error(LOG_ALERT, "Could not add default listening Port %u: %s",
+ (unsigned int) defaultport, strerror(errno));
+
+ exit(1);
+ }
+
+ if (!Conf_ListenAddress)
+ Conf_ListenAddress = strdup_warn(DEFAULT_LISTEN_ADDRSTR);
+
+ if (!Conf_ListenAddress) {
+ Config_Error(LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME);
+ exit(1);
+ }
+
+ /* No MOTD phrase configured? (re)try motd file. */
+ if (array_bytes(&Conf_Motd) == 0)
+ Read_Motd(Conf_MotdFile);
+ return true;
+} /* Read_Config */
+
+
+static bool
+Check_ArgIsTrue( const char *Arg )
+{
+ if( strcasecmp( Arg, "yes" ) == 0 ) return true;
+ if( strcasecmp( Arg, "true" ) == 0 ) return true;
+ if( atoi( Arg ) != 0 ) return true;
+
+ return false;
+} /* Check_ArgIsTrue */
+
+
+static unsigned int
+Handle_MaxNickLength(int Line, const char *Arg)
+{
+ unsigned new;
+
+ new = (unsigned) atoi(Arg) + 1;
+ if (new > CLIENT_NICK_LEN) {
+ Config_Error(LOG_WARNING,
+ "%s, line %d: Value of \"MaxNickLength\" exceeds %u!",
+ NGIRCd_ConfFile, Line, CLIENT_NICK_LEN - 1);
+ return CLIENT_NICK_LEN;
+ }
+ if (new < 2) {
+ Config_Error(LOG_WARNING,
+ "%s, line %d: Value of \"MaxNickLength\" must be at least 1!",
+ NGIRCd_ConfFile, Line);
+ return 2;
+ }
+ return new;
+} /* Handle_MaxNickLength */
+
+
+static void
+WarnIdent(int UNUSED Line)
+{
+#ifndef IDENTAUTH
+ if (Conf_Ident) {
+ /* user has enabled ident lookups explicitly, but ... */
+ Config_Error(LOG_WARNING,
+ "%s: line %d: %s=True, but ngircd was built without support",
+ NGIRCd_ConfFile, Line, "Ident");
+ }
+#endif
+}
+
+static void
+WarnPAM(int UNUSED Line)
+{
+#ifndef PAM
+ if (Conf_PAM) {
+ Config_Error(LOG_WARNING,
+ "%s: line %d: %s=True, but ngircd was built without support",
+ NGIRCd_ConfFile, Line, "PAM");
+ }
+#endif
+}
+
+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;
+}
+
+static const char *
+NoNo(const char *str)
+{
+ assert(strncasecmp("no", str, 2) == 0 && str[2]);
+ return str + 2;
+}
+
+static const char *
+InvertArg(const char *arg)
+{
+ return yesno_to_str(!Check_ArgIsTrue(arg));
+}
+
+static void
+Handle_GLOBAL( int Line, char *Var, char *Arg )
+{
+ struct passwd *pwd;
+ struct group *grp;
+ size_t len;
+
+ assert( Line > 0 );
+ assert( Var != NULL );
+ assert( Arg != NULL );
+
+ if( strcasecmp( Var, "Name" ) == 0 ) {
+ /* Server name */
+ len = strlcpy( Conf_ServerName, Arg, sizeof( Conf_ServerName ));
+ if (len >= sizeof( Conf_ServerName ))
+ Config_Error_TooLong( Line, Var );
+ return;
+ }
+ if( strcasecmp( Var, "CloakHost" ) == 0 ) {
+ /* Client hostname */
+ len = strlcpy( Conf_CloakHost, Arg, sizeof( Conf_CloakHost ));
+ if (len >= sizeof( Conf_CloakHost ))
+ Config_Error_TooLong( Line, Var );
+ return;
+ }
+ if( strcasecmp( Var, "CloakUserToNick" ) == 0 ) {
+ /* Use client nick name as user name */
+ Conf_CloakUserToNick = Check_ArgIsTrue( Arg );
+ return;
+ }
+ if( strcasecmp( Var, "Info" ) == 0 ) {
+ /* Info text of server */
+ len = strlcpy( Conf_ServerInfo, Arg, sizeof( Conf_ServerInfo ));
+ if (len >= sizeof( Conf_ServerInfo ))
+ Config_Error_TooLong ( Line, Var );
+ return;
+ }
+ if( strcasecmp( Var, "Password" ) == 0 ) {
+ /* Global server password */
+ len = strlcpy( Conf_ServerPwd, Arg, sizeof( Conf_ServerPwd ));
+ if (len >= sizeof( Conf_ServerPwd ))
+ Config_Error_TooLong( Line, Var );
+ return;
+ }
+ if (strcasecmp(Var, "WebircPassword") == 0) {
+ /* Password required for WEBIRC command */
+ len = strlcpy(Conf_WebircPwd, Arg, sizeof(Conf_WebircPwd));
+ if (len >= sizeof(Conf_WebircPwd))
+ Config_Error_TooLong(Line, Var);
+ return;
+ }
+ if( strcasecmp( Var, "AdminInfo1" ) == 0 ) {
+ /* Administrative info #1 */
+ len = strlcpy( Conf_ServerAdmin1, Arg, sizeof( Conf_ServerAdmin1 ));
+ if (len >= sizeof( Conf_ServerAdmin1 ))
+ Config_Error_TooLong ( Line, Var );
+ return;
+ }
+ if( strcasecmp( Var, "AdminInfo2" ) == 0 ) {
+ /* Administrative info #2 */
+ len = strlcpy( Conf_ServerAdmin2, Arg, sizeof( Conf_ServerAdmin2 ));
+ if (len >= sizeof( Conf_ServerAdmin2 ))
+ Config_Error_TooLong ( Line, Var );
+ return;
+ }
+ if( strcasecmp( Var, "AdminEMail" ) == 0 ) {
+ /* Administrative email contact */
+ len = strlcpy( Conf_ServerAdminMail, Arg, sizeof( Conf_ServerAdminMail ));
+ if (len >= sizeof( Conf_ServerAdminMail ))
+ Config_Error_TooLong( Line, Var );
+ return;
+ }
+
+ if( strcasecmp( Var, "Ports" ) == 0 ) {
+ ports_parse(&Conf_ListenPorts, Line, Arg);
+ return;
+ }
+ if( strcasecmp( Var, "MotdFile" ) == 0 ) {
+ len = strlcpy( Conf_MotdFile, Arg, sizeof( Conf_MotdFile ));
+ if (len >= sizeof( Conf_MotdFile ))
+ Config_Error_TooLong( Line, Var );
+ return;
+ }
+ if( strcasecmp( Var, "MotdPhrase" ) == 0 ) {
+ /* "Message of the day" phrase (instead of file) */
+ len = 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, "ChrootDir" ) == 0 ) {
+ /* directory for chroot() */
+ len = strlcpy( Conf_Chroot, Arg, sizeof( Conf_Chroot ));
+ if (len >= sizeof( Conf_Chroot ))
+ Config_Error_TooLong( Line, Var );
+ return;
+ }
+ if ( strcasecmp( Var, "PidFile" ) == 0 ) {
+ /* name of pidfile */
+ len = strlcpy( Conf_PidFile, Arg, sizeof( Conf_PidFile ));
+ if (len >= sizeof( Conf_PidFile ))
+ Config_Error_TooLong( Line, Var );
+ return;
+ }
+ if( strcasecmp( Var, "ServerUID" ) == 0 ) {
+ /* UID the daemon should switch to */
+ pwd = getpwnam( Arg );
+ if( pwd ) Conf_UID = pwd->pw_uid;
+ else {
+ Conf_UID = (unsigned int)atoi( Arg );
+ if (!Conf_UID && strcmp(Arg, "0"))
+ Config_Error_NaN(Line, Var);
+ }
+ return;
+ }
+ if( strcasecmp( Var, "ServerGID" ) == 0 ) {
+ /* GID the daemon should use */
+ 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_NaN( Line, Var );
+ }
+ 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, "PredefChannelsOnly" ) == 0 ) {
+ /* Should we only allow pre-defined-channels? (i.e. users cannot create their own channels) */
+ Conf_PredefChannelsOnly = Check_ArgIsTrue( Arg );
+ return;
+ }
+
+ if (CheckLegacyNoOption(Var, Arg)) {
+ Config_Error(LOG_WARNING, "%s, line %d: \"No\"-Prefix has been removed, use \"%s = %s\" in [FEATURES] section instead",
+ NGIRCd_ConfFile, Line, NoNo(Var), InvertArg(Arg));
+ if (strcasecmp(Var, "NoIdent") == 0)
+ WarnIdent(Line);
+ else if (strcasecmp(Var, "NoPam") == 0)
+ WarnPAM(Line);
+ return;
+ }
+#ifdef WANT_IPV6
+ /* the default setting for all the WANT_IPV6 special options is 'true' */
+ if( strcasecmp( Var, "ConnectIPv6" ) == 0 ) {
+ /* connect to other hosts using ipv6, if they have an AAAA record? */
+ Conf_ConnectIPv6 = Check_ArgIsTrue( Arg );
+ return;
+ }
+ if( strcasecmp( Var, "ConnectIPv4" ) == 0 ) {
+ /* connect to other hosts using ipv4.
+ * again, this can be used for ipv6-only setups */
+ Conf_ConnectIPv4 = Check_ArgIsTrue( Arg );
+ return;
+ }
+#endif
+ if( strcasecmp( Var, "OperCanUseMode" ) == 0 ) {
+ /* Are IRC operators allowed to use MODE in channels they aren't Op in? */
+ Conf_OperCanMode = Check_ArgIsTrue( Arg );
+ return;
+ }
+ if( strcasecmp( Var, "OperServerMode" ) == 0 ) {
+ /* Mask IRC operator as if coming from the server? (ircd-irc2 compat hack) */
+ Conf_OperServerMode = Check_ArgIsTrue( Arg );
+ return;
+ }
+ if(strcasecmp(Var, "AllowRemoteOper") == 0) {
+ /* Are remote IRC operators allowed to control this server? */
+ Conf_AllowRemoteOper = Check_ArgIsTrue(Arg);
+ return;
+ }
+ if( strcasecmp( Var, "MaxConnections" ) == 0 ) {
+ /* Maximum number of connections. 0 -> "no limit". */
+ Conf_MaxConnections = atol( Arg );
+ if (!Conf_MaxConnections && strcmp(Arg, "0"))
+ Config_Error_NaN(Line, Var);
+ return;
+ }
+ if( strcasecmp( Var, "MaxConnectionsIP" ) == 0 ) {
+ /* Maximum number of simultaneous connections from one IP. 0 -> "no limit" */
+ Conf_MaxConnectionsIP = atoi( Arg );
+ if (!Conf_MaxConnectionsIP && strcmp(Arg, "0"))
+ Config_Error_NaN(Line, Var);
+ return;
+ }
+ if( strcasecmp( Var, "MaxJoins" ) == 0 ) {
+ /* Maximum number of channels a user can join. 0 -> "no limit". */
+ Conf_MaxJoins = atoi( Arg );
+ if (!Conf_MaxJoins && strcmp(Arg, "0"))
+ Config_Error_NaN(Line, Var);
+ return;
+ }
+ if( strcasecmp( Var, "MaxNickLength" ) == 0 ) {
+ /* Maximum length of a nick name; must be same on all servers
+ * within the IRC network! */
+ Conf_MaxNickLength = Handle_MaxNickLength(Line, Arg);
+ return;
+ }
+ if(strcasecmp(Var, "NoticeAuth") == 0) {
+ /* send NOTICE AUTH messages to clients on connect */
+ Conf_NoticeAuth = Check_ArgIsTrue(Arg);
+ return;
+ }
+
+ if( strcasecmp( Var, "Listen" ) == 0 ) {
+ /* IP-Address to bind sockets */
+ if (Conf_ListenAddress) {
+ Config_Error(LOG_ERR, "Multiple Listen= options, ignoring: %s", Arg);
+ return;
+ }
+ Conf_ListenAddress = strdup_warn(Arg);
+ /*
+ * if allocation fails, we're in trouble:
+ * we cannot ignore the error -- otherwise ngircd
+ * would listen on all interfaces.
+ */
+ if (!Conf_ListenAddress) {
+ Config_Error(LOG_ALERT, "%s exiting due to fatal errors!", PACKAGE_NAME);
+ exit(1);
+ }
+ return;
+ }
+
+#ifdef SSL_SUPPORT
+ if( strcasecmp( Var, "SSLPorts" ) == 0 ) {
+ ports_parse(&Conf_SSLOptions.ListenPorts, Line, Arg);
+ return;
+ }
+
+ if( strcasecmp( Var, "SSLKeyFile" ) == 0 ) {
+ assert(Conf_SSLOptions.KeyFile == NULL );
+ Conf_SSLOptions.KeyFile = strdup_warn(Arg);
+ return;
+ }
+ if( strcasecmp( Var, "SSLCertFile" ) == 0 ) {
+ assert(Conf_SSLOptions.CertFile == NULL );
+ Conf_SSLOptions.CertFile = strdup_warn(Arg);
+ return;
+ }
+
+ if( strcasecmp( Var, "SSLKeyFilePassword" ) == 0 ) {
+ assert(array_bytes(&Conf_SSLOptions.KeyFilePassword) == 0);
+ if (!array_copys(&Conf_SSLOptions.KeyFilePassword, Arg))
+ Config_Error( LOG_ERR, "%s, line %d (section \"Global\"): Could not copy %s: %s!",
+ NGIRCd_ConfFile, Line, Var, strerror(errno));
+ return;
+ }
+ if( strcasecmp( Var, "SSLDHFile" ) == 0 ) {
+ assert(Conf_SSLOptions.DHFile == NULL);
+ Conf_SSLOptions.DHFile = strdup_warn( Arg );
+ return;
+ }
+#endif
+#ifdef SYSLOG
+ if (strcasecmp(Var, "SyslogFacility") == 0) {
+ Conf_SyslogFacility = ngt_SyslogFacilityID(Arg,
+ Conf_SyslogFacility);
+ return;
+ }
+#endif
+#ifndef STRICT_RFC
+ if (strcasecmp(Var, "RequireAuthPing") == 0 ) {
+ /* Require new clients to do an "autheticatin PING-PONG" */
+ Conf_AuthPing = Check_ArgIsTrue(Arg);
+ return;
+ }
+#endif
+ Config_Error(LOG_ERR, "%s, line %d (section \"Global\"): Unknown variable \"%s\"!",
+ NGIRCd_ConfFile, Line, Var);
+} /* Handle_GLOBAL */
+
+
+static void
+Handle_FEATURES(int Line, char *Var, char *Arg)
+{
+ assert( Line > 0 );
+ assert( Var != NULL );
+ assert( Arg != NULL );
+
+ if( strcasecmp( Var, "DNS" ) == 0 ) {
+ /* do reverse dns lookups when clients connect? */
+ Conf_DNS = Check_ArgIsTrue( Arg );
+ return;
+ }
+ if (strcasecmp(Var, "Ident") == 0) {
+ /* do IDENT lookups when clients connect? */
+ Conf_Ident = Check_ArgIsTrue(Arg);
+ WarnIdent(Line);
+ return;
+ }
+ if(strcasecmp(Var, "PAM") == 0) {
+ /* use PAM library to authenticate users */
+ Conf_PAM = Check_ArgIsTrue(Arg);
+ WarnPAM(Line);
+ return;
+ }
+
+ Config_Error(LOG_ERR,
+ "%s, line %d (section \"Features\"): Unknown variable \"%s\"!",
+ NGIRCd_ConfFile, Line, Var);
+}
+
+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 );
+ assert( Conf_Oper_Count > 0 );
+
+ op = array_alloc(&Conf_Opers, sizeof(*op), Conf_Oper_Count - 1);
+ if (!op) {
+ Config_Error(LOG_ERR, "Could not allocate memory for operator (%d:%s = %s)", Line, Var, Arg);
+ 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( LOG_ERR, "%s, line %d (section \"Operator\"): Unknown variable \"%s\"!",
+ NGIRCd_ConfFile, Line, Var );
+} /* Handle_OPERATOR */
+
+
+static void
+Handle_SERVER( int Line, char *Var, char *Arg )
+{
+ long port;
+ size_t len;
+
+ assert( Line > 0 );
+ assert( Var != NULL );
+ assert( Arg != NULL );
+
+ /* Ignore server block if no space is left in server configuration structure */
+ if( New_Server_Idx <= NONE ) return;
+
+ if( strcasecmp( Var, "Host" ) == 0 ) {
+ /* Hostname of the server */
+ len = strlcpy( New_Server.host, Arg, sizeof( New_Server.host ));
+ if (len >= sizeof( New_Server.host ))
+ Config_Error_TooLong ( Line, Var );
+ return;
+ }
+ if( strcasecmp( Var, "Name" ) == 0 ) {
+ /* Name of the server ("Nick"/"ID") */
+ len = strlcpy( New_Server.name, Arg, sizeof( New_Server.name ));
+ if (len >= sizeof( New_Server.name ))
+ Config_Error_TooLong( Line, Var );
+ return;
+ }
+ if (strcasecmp(Var, "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)
+ New_Server.port = (UINT16)port;
+ else
+ Config_Error(LOG_ERR,
+ "%s, line %d (section \"Server\"): Illegal port number %ld!",
+ NGIRCd_ConfFile, Line, port );
+ return;
+ }
+#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;
+ }
+
+ Config_Error( LOG_ERR, "%s, line %d (section \"Server\"): Unknown variable \"%s\"!",
+ NGIRCd_ConfFile, Line, Var );
+} /* Handle_SERVER */
+
+
+static bool
+Handle_Channelname(struct Conf_Channel *new_chan, const char *name)
+{
+ 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);
+}
+
+
+static void
+Handle_CHANNEL(int Line, char *Var, char *Arg)
+{
+ size_t len;
+ size_t chancount;
+ struct Conf_Channel *chan;
+
+ assert( Line > 0 );
+ assert( Var != NULL );
+ assert( Arg != NULL );
+ assert(Conf_Channel_Count > 0);
+
+ chancount = Conf_Channel_Count - 1;
+
+ chan = array_alloc(&Conf_Channels, sizeof(*chan), chancount);
+ if (!chan) {
+ Config_Error(LOG_ERR, "Could not allocate memory for predefined channel (%d:%s = %s)", Line, Var, Arg);
+ 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;
+ }
+
+ Config_Error( LOG_ERR, "%s, line %d (section \"Channel\"): Unknown variable \"%s\"!",
+ NGIRCd_ConfFile, Line, Var );
+} /* Handle_CHANNEL */
+
+
+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;
+
+ /* 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\" 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=%d, Servers=%d[%d], Channels=%d",
+ Conf_Oper_Count, servers, servers_once, Conf_Channel_Count);
+#endif
+
+ return config_valid;
+} /* Validate_Config */
+
+
+static void
+Config_Error_TooLong ( const int Line, const char *Item )
+{
+ Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" too long!", NGIRCd_ConfFile, Line, Item );
+}
+
+
+static void
+Config_Error_NaN( const int Line, const char *Item )
+{
+ Config_Error( LOG_WARNING, "%s, line %d: Value of \"%s\" is not a number!",
+ NGIRCd_ConfFile, Line, Item );
+}
+
+
+#ifdef PROTOTYPES
+static void Config_Error( const int Level, const char *Format, ... )
+#else
+static void Config_Error( Level, Format, va_alist )
+const int Level;
+const char *Format;
+va_dcl
+#endif
+{
+ /* Error! Write to console and/or logfile. */
+
+ char msg[MAX_LOG_MSG_LEN];
+ va_list ap;
+
+ assert( Format != NULL );
+
+#ifdef PROTOTYPES
+ va_start( ap, Format );
+#else
+ va_start( ap );
+#endif
+ vsnprintf( msg, MAX_LOG_MSG_LEN, Format, ap );
+ va_end( ap );
+
+ /* During "normal operations" the log functions of the daemon should
+ * be used, but during testing of the configuration file, all messages
+ * should go directly to the console: */
+ if (Use_Log) Log( Level, "%s", msg );
+ else puts( msg );
+} /* Config_Error */
+
+
+#ifdef DEBUG
+
+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);
+ }
+} /* Conf_DebugDump */
+
+#endif
+
+
+static void
+Init_Server_Struct( CONF_SERVER *Server )
+{
+ /* Initialize server configuration structur to default values */
+
+ assert( Server != NULL );
+
+ memset( Server, 0, sizeof (CONF_SERVER) );
+
+ Server->group = NONE;
+ Server->lasttry = time( NULL ) - Conf_ConnectRetry + STARTUP_DELAY;
+
+ if( NGIRCd_Passive ) Server->flags = CONF_SFLAG_DISABLED;
+
+ Proc_InitStruct(&Server->res_stat);
+ Server->conn_id = NONE;
+ memset(&Server->bind_addr, 0, sizeof(&Server->bind_addr));
+} /* Init_Server_Struct */