+ 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, "[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, "[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;
+ }
+
+ 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, "[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);
+ }
+
+ /* 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);
+
+#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;
+}
+
+/**
+ * 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)
+{
+ if (strcasecmp(Arg, "yes") == 0)
+ return true;
+ if (strcasecmp(Arg, "true") == 0)
+ return true;
+ if (atoi(Arg) != 0)
+ return true;
+
+ 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 (new < 2) {
+ Config_Error(LOG_WARNING,
+ "%s, line %d: Value of \"MaxNickLength\" must be at least 1!",
+ NGIRCd_ConfFile, Line);
+ return 2;
+ }
+ return new;
+}
+
+/**
+ * Output a warning messages if IDENT is configured but not compiled in.
+ */
+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: \"Ident = yes\", but ngircd was built without IDENT support!",
+ NGIRCd_ConfFile, Line);
+ }
+#endif
+}
+
+/**
+ * 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, "AdminInfo1") == 0) {
+ len = strlcpy(Conf_ServerAdmin1, Arg, sizeof(Conf_ServerAdmin1));
+ if (len >= sizeof(Conf_ServerAdmin1))
+ Config_Error_TooLong(Line, Var);
+ return;
+ }
+ 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, "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)
+ 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_Section(Line, Var, "Server");
+}
+
+/**
+ * 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)
+{
+ 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;
+ }
+
+ 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)