/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at * trunk/opends/resource/legal-notices/OpenDS.LICENSE * or https://OpenDS.dev.java.net/OpenDS.LICENSE. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at * trunk/opends/resource/legal-notices/OpenDS.LICENSE. If applicable, * add the following below this CDDL HEADER, with the fields enclosed * by brackets "[]" replaced with your own identifying information: * Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END * * * Copyright 2006-2009 Sun Microsystems, Inc. * Portions Copyright 2011-2013 ForgeRock AS */ package org.opends.server.schema; import org.opends.messages.Message; import java.util.ArrayList; import java.util.HashMap; import java.util.LinkedHashMap; import java.util.LinkedList; import java.util.List; import org.opends.server.admin.std.server.*; import org.opends.server.admin.server.ConfigurationChangeListener; import org.opends.server.api.ApproximateMatchingRule; import org.opends.server.api.AttributeSyntax; import org.opends.server.api.EqualityMatchingRule; import org.opends.server.api.OrderingMatchingRule; import org.opends.server.api.SubstringMatchingRule; import org.opends.server.config.ConfigException; import org.opends.server.core.DirectoryServer; import static org.opends.server.loggers.debug.DebugLogger.*; import org.opends.server.loggers.debug.DebugTracer; import org.opends.server.types.*; import static org.opends.messages.SchemaMessages.*; import org.opends.messages.MessageBuilder; import static org.opends.server.schema.SchemaConstants.*; import static org.opends.server.util.ServerConstants.*; import static org.opends.server.util.StaticUtils.*; import static org.opends.server.config.ConfigConstants.*; /** * This class defines the attribute type description syntax, which is used to * hold attribute type definitions in the server schema. The format of this * syntax is defined in RFC 2252. */ public class AttributeTypeSyntax extends AttributeSyntax<AttributeTypeDescriptionAttributeSyntaxCfg> implements ConfigurationChangeListener<AttributeTypeDescriptionAttributeSyntaxCfg> { /** * The tracer object for the debug logger. */ private static final DebugTracer TRACER = getTracer(); // The reference to the configuration for this attribute type description // syntax. private AttributeTypeDescriptionAttributeSyntaxCfg currentConfig; // The default equality matching rule for this syntax. private EqualityMatchingRule defaultEqualityMatchingRule; // The default ordering matching rule for this syntax. private OrderingMatchingRule defaultOrderingMatchingRule; // The default substring matching rule for this syntax. private SubstringMatchingRule defaultSubstringMatchingRule; // If true strip the suggested minimum upper bound from the syntax OID. private static boolean stripMinimumUpperBound=false; /** * Creates a new instance of this syntax. Note that the only thing that * should be done here is to invoke the default constructor for the * superclass. All initialization should be performed in the * <CODE>initializeSyntax</CODE> method. */ public AttributeTypeSyntax() { super(); } /** * {@inheritDoc} */ public void initializeSyntax(AttributeTypeDescriptionAttributeSyntaxCfg configuration) throws ConfigException, InitializationException { defaultEqualityMatchingRule = DirectoryServer.getEqualityMatchingRule(EMR_CASE_IGNORE_OID); if (defaultEqualityMatchingRule == null) { Message message = ERR_ATTR_SYNTAX_UNKNOWN_EQUALITY_MATCHING_RULE.get( EMR_CASE_IGNORE_OID, SYNTAX_ATTRIBUTE_TYPE_NAME); throw new InitializationException(message); } defaultOrderingMatchingRule = DirectoryServer.getOrderingMatchingRule(OMR_CASE_IGNORE_OID); if (defaultOrderingMatchingRule == null) { Message message = ERR_ATTR_SYNTAX_UNKNOWN_ORDERING_MATCHING_RULE.get( OMR_CASE_IGNORE_OID, SYNTAX_ATTRIBUTE_TYPE_NAME); throw new InitializationException(message); } defaultSubstringMatchingRule = DirectoryServer.getSubstringMatchingRule(SMR_CASE_IGNORE_OID); if (defaultSubstringMatchingRule == null) { Message message = ERR_ATTR_SYNTAX_UNKNOWN_SUBSTRING_MATCHING_RULE.get( SMR_CASE_IGNORE_OID, SYNTAX_ATTRIBUTE_TYPE_NAME); throw new InitializationException(message); } // This syntax is one of the Directory Server's core syntaxes and therefore // it may be instantiated at times without a configuration entry. If that // is the case, then we'll exit now before doing anything that could require // access to that entry. if (configuration == null) { return; } currentConfig = configuration; currentConfig.addAttributeTypeDescriptionChangeListener(this); stripMinimumUpperBound=configuration.isStripSyntaxMinUpperBound(); } /** * {@inheritDoc} */ public String getSyntaxName() { return SYNTAX_ATTRIBUTE_TYPE_NAME; } /** * {@inheritDoc} */ public String getOID() { return SYNTAX_ATTRIBUTE_TYPE_OID; } /** * {@inheritDoc} */ public String getDescription() { return SYNTAX_ATTRIBUTE_TYPE_DESCRIPTION; } /** * {@inheritDoc} */ public EqualityMatchingRule getEqualityMatchingRule() { return defaultEqualityMatchingRule; } /** * {@inheritDoc} */ public OrderingMatchingRule getOrderingMatchingRule() { return defaultOrderingMatchingRule; } /** * {@inheritDoc} */ public SubstringMatchingRule getSubstringMatchingRule() { return defaultSubstringMatchingRule; } /** * {@inheritDoc} */ public ApproximateMatchingRule getApproximateMatchingRule() { // There is no approximate matching rule by default. return null; } /** * {@inheritDoc} */ public boolean valueIsAcceptable(ByteSequence value, MessageBuilder invalidReason) { // We'll use the decodeAttributeType method to determine if the value is // acceptable. try { decodeAttributeType(value, DirectoryServer.getSchema(), true); return true; } catch (DirectoryException de) { if (debugEnabled()) { TRACER.debugCaught(DebugLogLevel.ERROR, de); } invalidReason.append(de.getMessageObject()); return false; } } /** * Decodes the contents of the provided ASN.1 octet string as an attribute * type definition according to the rules of this syntax. Note that the * provided octet string value does not need to be normalized (and in fact, it * should not be in order to allow the desired capitalization to be * preserved). * * @param value The ASN.1 octet string containing the value * to decode (it does not need to be * normalized). * @param schema The schema to use to resolve references to * other schema elements. * @param allowUnknownElements Indicates whether to allow values that * reference a superior attribute type which are * not defined in the server schema. This should * only be true when called by * {@code valueIsAcceptable}. * * @return The decoded attribute type definition. * * @throws DirectoryException If the provided value cannot be decoded as an * attribute type definition. */ public static AttributeType decodeAttributeType(ByteSequence value, Schema schema, boolean allowUnknownElements) throws DirectoryException { // Get string representations of the provided value using the provided form // and with all lowercase characters. String valueStr = value.toString(); String lowerStr = toLowerCase(valueStr); // We'll do this a character at a time. First, skip over any leading // whitespace. int pos = 0; int length = valueStr.length(); while ((pos < length) && (valueStr.charAt(pos) == ' ')) { pos++; } if (pos >= length) { // This means that the value was empty or contained only whitespace. That // is illegal. Message message = ERR_ATTR_SYNTAX_ATTRTYPE_EMPTY_VALUE.get(); throw new DirectoryException( ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } // The next character must be an open parenthesis. If it is not, then that // is an error. char c = valueStr.charAt(pos++); if (c != '(') { Message message = ERR_ATTR_SYNTAX_ATTRTYPE_EXPECTED_OPEN_PARENTHESIS.get( valueStr, (pos-1), String.valueOf(c)); throw new DirectoryException( ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } // Skip over any spaces immediately following the opening parenthesis. while ((pos < length) && ((c = valueStr.charAt(pos)) == ' ')) { pos++; } if (pos >= length) { // This means that the end of the value was reached before we could find // the OID. Ths is illegal. Message message = ERR_ATTR_SYNTAX_ATTRTYPE_TRUNCATED_VALUE.get(valueStr); throw new DirectoryException( ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } // The next set of characters must be the OID. Strictly speaking, this // should only be a numeric OID, but we'll also allow for the // "attrname-oid" case as well. Look at the first character to figure out // which we will be using. int oidStartPos = pos; if (isDigit(c)) { // This must be a numeric OID. In that case, we will accept only digits // and periods, but not consecutive periods. boolean lastWasPeriod = false; while ((pos < length) && ((c = valueStr.charAt(pos)) != ' ') && (c = valueStr.charAt(pos)) != ')') { if (c == '.') { if (lastWasPeriod) { Message message = ERR_ATTR_SYNTAX_ATTRTYPE_DOUBLE_PERIOD_IN_NUMERIC_OID. get(valueStr, (pos-1)); throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } else { lastWasPeriod = true; } } else if (! isDigit(c)) { // This must have been an illegal character. Message message = ERR_ATTR_SYNTAX_ATTRTYPE_ILLEGAL_CHAR_IN_NUMERIC_OID. get(valueStr, String.valueOf(c), (pos-1)); throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } else { lastWasPeriod = false; } pos++; } } else { // This must be a "fake" OID. In this case, we will only accept // alphabetic characters, numeric digits, and the hyphen. while ((pos < length) && ((c = valueStr.charAt(pos)) != ' ') && (c=valueStr.charAt(pos))!=')') { if (isAlpha(c) || isDigit(c) || (c == '-') || ((c == '_') && DirectoryServer.allowAttributeNameExceptions())) { // This is fine. It is an acceptable character. pos++; } else { // This must have been an illegal character. Message message = ERR_ATTR_SYNTAX_ATTRTYPE_ILLEGAL_CHAR_IN_STRING_OID. get(valueStr, String.valueOf(c), (pos-1)); throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } } } // If we're at the end of the value, then it isn't a valid attribute type // description. Otherwise, parse out the OID. String oid; if (pos >= length) { Message message = ERR_ATTR_SYNTAX_ATTRTYPE_TRUNCATED_VALUE.get(valueStr); throw new DirectoryException( ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } else { oid = lowerStr.substring(oidStartPos, pos); } // Skip over the space(s) after the OID. while ((pos < length) && ((c = valueStr.charAt(pos)) == ' ')) { pos++; } if (pos >= length) { // This means that the end of the value was reached before we could find // the OID. Ths is illegal. Message message = ERR_ATTR_SYNTAX_ATTRTYPE_TRUNCATED_VALUE.get(valueStr); throw new DirectoryException( ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } // At this point, we should have a pretty specific syntax that describes // what may come next, but some of the components are optional and it would // be pretty easy to put something in the wrong order, so we will be very // flexible about what we can accept. Just look at the next token, figure // out what it is and how to treat what comes after it, then repeat until // we get to the end of the value. But before we start, set default values // for everything else we might need to know. String primaryName = oid; List<String> typeNames = new LinkedList<String>(); String description = null; AttributeType superiorType = null; AttributeSyntax<?> syntax = DirectoryServer.getDefaultAttributeSyntax(); ApproximateMatchingRule approximateMatchingRule = null; EqualityMatchingRule equalityMatchingRule = null; OrderingMatchingRule orderingMatchingRule = null; SubstringMatchingRule substringMatchingRule = null; AttributeUsage attributeUsage = AttributeUsage.USER_APPLICATIONS; boolean isCollective = false; boolean isNoUserModification = false; boolean isObsolete = false; boolean isSingleValue = false; HashMap<String,List<String>> extraProperties = new LinkedHashMap<String,List<String>>(); while (true) { StringBuilder tokenNameBuffer = new StringBuilder(); pos = readTokenName(valueStr, tokenNameBuffer, pos); String tokenName = tokenNameBuffer.toString(); String lowerTokenName = toLowerCase(tokenName); if (tokenName.equals(")")) { // We must be at the end of the value. If not, then that's a problem. if (pos < length) { Message message = ERR_ATTR_SYNTAX_ATTRTYPE_UNEXPECTED_CLOSE_PARENTHESIS. get(valueStr, (pos-1)); throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } break; } else if (lowerTokenName.equals("name")) { // This specifies the set of names for the attribute type. It may be a // single name in single quotes, or it may be an open parenthesis // followed by one or more names in single quotes separated by spaces. c = valueStr.charAt(pos++); if (c == '\'') { StringBuilder userBuffer = new StringBuilder(); StringBuilder lowerBuffer = new StringBuilder(); pos = readQuotedString(valueStr, lowerStr, userBuffer, lowerBuffer, (pos-1)); primaryName = userBuffer.toString(); typeNames.add(primaryName); } else if (c == '(') { StringBuilder userBuffer = new StringBuilder(); StringBuilder lowerBuffer = new StringBuilder(); pos = readQuotedString(valueStr, lowerStr, userBuffer, lowerBuffer, pos); primaryName = userBuffer.toString(); typeNames.add(primaryName); while (true) { if (valueStr.charAt(pos) == ')') { // Skip over any spaces after the parenthesis. pos++; while ((pos < length) && ((c = valueStr.charAt(pos)) == ' ')) { pos++; } break; } else { userBuffer = new StringBuilder(); lowerBuffer = new StringBuilder(); pos = readQuotedString(valueStr, lowerStr, userBuffer, lowerBuffer, pos); typeNames.add(userBuffer.toString()); } } } else { // This is an illegal character. Message message = ERR_ATTR_SYNTAX_ATTRTYPE_ILLEGAL_CHAR.get( valueStr, String.valueOf(c), (pos-1)); throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } //RFC 2251: A specification may also assign one or more textual names //for an attribute type. These names MUST begin with a letter, and //only contain ASCII letters, digit characters and hyphens. //The global config hasn't been read so far. Allow the name exceptions //during startup. boolean allowExceptions = DirectoryServer.isRunning()? DirectoryServer.allowAttributeNameExceptions():true; //Iterate over all the names and throw an exception if it is invalid. for(String name : typeNames) { for(int index=0; index < name.length(); index++) { char ch = name.charAt(index); switch(ch) { case '-': //hyphen is allowed but not as the first byte. if (index==0) { Message msg = ERR_ATTR_SYNTAX_ATTR_ILLEGAL_INITIAL_DASH. get(value.toString()); throw new DirectoryException( ResultCode.INVALID_ATTRIBUTE_SYNTAX, msg); } break; case '_': // This will never be allowed as the first character. It // may be allowed for subsequent characters if the attribute // name exceptions option is enabled. if (index==0) { Message msg = ERR_ATTR_SYNTAX_ATTR_ILLEGAL_INITIAL_UNDERSCORE. get(value.toString(), ATTR_ALLOW_ATTRIBUTE_NAME_EXCEPTIONS); throw new DirectoryException( ResultCode.INVALID_ATTRIBUTE_SYNTAX, msg); } else if (!allowExceptions) { Message msg = ERR_ATTR_SYNTAX_ATTR_ILLEGAL_UNDERSCORE_CHAR. get(value.toString(), ATTR_ALLOW_ATTRIBUTE_NAME_EXCEPTIONS); throw new DirectoryException( ResultCode.INVALID_ATTRIBUTE_SYNTAX, msg); } break; default: //Only digits and ascii letters are allowed but the first byte //can not be a digit. if(index ==0 && isDigit(ch) && !allowExceptions) { Message message = ERR_ATTR_SYNTAX_ATTR_ILLEGAL_INITIAL_DIGIT. get(value.toString(), ch, ATTR_ALLOW_ATTRIBUTE_NAME_EXCEPTIONS); throw new DirectoryException( ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } else if(!((ch>='0' && ch<='9') || (ch>='A' && ch<='Z') || (ch>='a' && ch<='z'))) { Message msg = ERR_ATTR_SYNTAX_ATTR_ILLEGAL_CHAR.get( value.toString(), ch, index); throw new DirectoryException( ResultCode.INVALID_ATTRIBUTE_SYNTAX, msg); } break; } } } } else if (lowerTokenName.equals("desc")) { // This specifies the description for the attribute type. It is an // arbitrary string of characters enclosed in single quotes. StringBuilder descriptionBuffer = new StringBuilder(); pos = readQuotedString(valueStr, descriptionBuffer, pos); description = descriptionBuffer.toString(); } else if (lowerTokenName.equals("obsolete")) { // This indicates whether the attribute type should be considered // obsolete. We do not need to do any more parsing for this token. isObsolete = true; } else if (lowerTokenName.equals("sup")) { // This specifies the name or OID of the superior attribute type from // which this attribute type should inherit its properties. StringBuilder woidBuffer = new StringBuilder(); pos = readWOID(lowerStr, woidBuffer, pos); superiorType = schema.getAttributeType(woidBuffer.toString()); if (superiorType == null) { if (allowUnknownElements) { superiorType = DirectoryServer.getDefaultAttributeType( woidBuffer.toString()); } else { // This is bad because we don't know what the superior attribute // type is so we can't base this attribute type on it. Message message = WARN_ATTR_SYNTAX_ATTRTYPE_UNKNOWN_SUPERIOR_TYPE. get(String.valueOf(oid), String.valueOf(woidBuffer)); throw new DirectoryException(ResultCode.CONSTRAINT_VIOLATION, message); } } // Use the information in the superior type to provide defaults for the // rest of the components in this attribute type description. // Technically, the definition of the superior type should be provided // before the matching rule, syntax, single-value, collective, // no-user-modification, and usage components, and in that case we won't // undo something else that has already been set by an earlier // definition. However, if the information is provided out-of-order, // then it is possible that this could overwrite some desired setting // that is different from that of the supertype. approximateMatchingRule = superiorType.getApproximateMatchingRule(); equalityMatchingRule = superiorType.getEqualityMatchingRule(); orderingMatchingRule = superiorType.getOrderingMatchingRule(); substringMatchingRule = superiorType.getSubstringMatchingRule(); syntax = superiorType.getSyntax(); isSingleValue = superiorType.isSingleValue(); isCollective = superiorType.isCollective(); isNoUserModification = superiorType.isNoUserModification(); attributeUsage = superiorType.getUsage(); } else if (lowerTokenName.equals("equality")) { // This specifies the name or OID of the equality matching rule to use // for this attribute type. StringBuilder woidBuffer = new StringBuilder(); pos = readWOID(lowerStr, woidBuffer, pos); EqualityMatchingRule emr = schema.getEqualityMatchingRule(woidBuffer.toString()); if (emr == null) { // This is bad because we have no idea what the equality matching // rule should be. Message message = WARN_ATTR_SYNTAX_ATTRTYPE_UNKNOWN_EQUALITY_MR.get( String.valueOf(oid), String.valueOf(woidBuffer)); throw new DirectoryException(ResultCode.CONSTRAINT_VIOLATION, message); } else { equalityMatchingRule = emr; } } else if (lowerTokenName.equals("ordering")) { // This specifies the name or OID of the ordering matching rule to use // for this attribute type. StringBuilder woidBuffer = new StringBuilder(); pos = readWOID(lowerStr, woidBuffer, pos); OrderingMatchingRule omr = schema.getOrderingMatchingRule(woidBuffer.toString()); if (omr == null) { // This is bad because we have no idea what the ordering matching // rule should be. Message message = WARN_ATTR_SYNTAX_ATTRTYPE_UNKNOWN_ORDERING_MR.get( String.valueOf(oid), String.valueOf(woidBuffer)); throw new DirectoryException(ResultCode.CONSTRAINT_VIOLATION, message); } else { orderingMatchingRule = omr; } } else if (lowerTokenName.equals("substr")) { // This specifies the name or OID of the substring matching rule to use // for this attribute type. StringBuilder woidBuffer = new StringBuilder(); pos = readWOID(lowerStr, woidBuffer, pos); SubstringMatchingRule smr = schema.getSubstringMatchingRule(woidBuffer.toString()); if (smr == null) { // This is bad because we have no idea what the substring matching // rule should be. Message message = WARN_ATTR_SYNTAX_ATTRTYPE_UNKNOWN_SUBSTRING_MR.get( String.valueOf(oid), String.valueOf(woidBuffer)); throw new DirectoryException(ResultCode.CONSTRAINT_VIOLATION, message); } else { substringMatchingRule = smr; } } else if (lowerTokenName.equals("syntax")) { // This specifies the numeric OID of the syntax for this matching rule. // It may optionally be immediately followed by an open curly brace, an // integer value, and a close curly brace to suggest the minimum number // of characters that should be allowed in values of that type. This // implementation will ignore any such length because it does not // impose any practical limit on the length of attribute values. boolean inBrace = false; boolean lastWasPeriod = false; StringBuilder oidBuffer = new StringBuilder(); while (pos < length) { c = lowerStr.charAt(pos++); if (inBrace) { // The only thing we'll allow here will be numeric digits and the // closing curly brace. if (c == '}') { // The next character must be a space or a closing parenthesis. if ((c = lowerStr.charAt(pos)) != ' ' && (c = lowerStr.charAt(pos)) != ')') { Message message = ERR_ATTR_SYNTAX_ATTRTYPE_ILLEGAL_CHAR_IN_NUMERIC_OID. get(valueStr, String.valueOf(c), (pos-1)); throw new DirectoryException( ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } break; } else if (! isDigit(c)) { Message message = ERR_ATTR_SYNTAX_ATTRTYPE_ILLEGAL_CHAR_IN_NUMERIC_OID. get(valueStr, String.valueOf(c), (pos-1)); throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } } else { if (isDigit(c)) { oidBuffer.append(c); lastWasPeriod = false; } else if (c == '.') { if (lastWasPeriod) { Message message = ERR_ATTR_SYNTAX_ATTRTYPE_DOUBLE_PERIOD_IN_NUMERIC_OID. get(valueStr, (pos-1)); throw new DirectoryException( ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } else { oidBuffer.append(c); lastWasPeriod = true; } } else if (c == '{') { // It's the start of the length specification. inBrace = true; } else if (c == ' ') { // It's the end of the value. break; } else if(c == ')') { // As per RFC 4512 (4.1.2) it is end of the value. --pos; break; } else { Message message = ERR_ATTR_SYNTAX_ATTRTYPE_ILLEGAL_CHAR_IN_NUMERIC_OID. get(valueStr, String.valueOf(c), (pos-1)); throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } } } syntax = schema.getSyntax(oidBuffer.toString()); if (syntax == null) { Message message = WARN_ATTR_SYNTAX_ATTRTYPE_UNKNOWN_SYNTAX.get( String.valueOf(oid), String.valueOf(oidBuffer)); throw new DirectoryException(ResultCode.CONSTRAINT_VIOLATION, message); } if (approximateMatchingRule == null) { approximateMatchingRule = syntax.getApproximateMatchingRule(); } if (equalityMatchingRule == null) { equalityMatchingRule = syntax.getEqualityMatchingRule(); } if (orderingMatchingRule == null) { orderingMatchingRule = syntax.getOrderingMatchingRule(); } if (substringMatchingRule == null) { substringMatchingRule = syntax.getSubstringMatchingRule(); } } else if (lowerTokenName.equals("single-value")) { // This indicates that attributes of this type are allowed to have at // most one value. We do not need any more parsing for this token. isSingleValue = true; } else if (lowerTokenName.equals("collective")) { // This indicates that attributes of this type are collective (i.e., // have their values generated dynamically in some way). We do not need // any more parsing for this token. isCollective = true; } else if (lowerTokenName.equals("no-user-modification")) { // This indicates that the values of attributes of this type are not to // be modified by end users. We do not need any more parsing for this // token. isNoUserModification = true; } else if (lowerTokenName.equals("usage")) { // This specifies the usage string for this attribute type. It should // be followed by one of the strings "userApplications", // "directoryOperation", "distributedOperation", or "dSAOperation". StringBuilder usageBuffer = new StringBuilder(); while (pos < length) { c = lowerStr.charAt(pos++); if (c == ' ') { break; } else if(c == ')') { pos--; break; } else { usageBuffer.append(c); } } String usageStr = usageBuffer.toString(); if (usageStr.equals("userapplications")) { attributeUsage = AttributeUsage.USER_APPLICATIONS; } else if (usageStr.equals("directoryoperation")) { attributeUsage = AttributeUsage.DIRECTORY_OPERATION; } else if (usageStr.equals("distributedoperation")) { attributeUsage = AttributeUsage.DISTRIBUTED_OPERATION; } else if (usageStr.equals("dsaoperation")) { attributeUsage = AttributeUsage.DSA_OPERATION; } else { // This must be an illegal usage. attributeUsage = AttributeUsage.USER_APPLICATIONS; Message message = WARN_ATTR_SYNTAX_ATTRTYPE_INVALID_ATTRIBUTE_USAGE. get(String.valueOf(oid), usageStr); throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } } else { // This must be a non-standard property and it must be followed by // either a single value in single quotes or an open parenthesis // followed by one or more values in single quotes separated by spaces // followed by a close parenthesis. List<String> valueList = new ArrayList<String>(); pos = readExtraParameterValues(valueStr, valueList, pos); extraProperties.put(tokenName, valueList); } } List<String> approxRules = extraProperties.get(SCHEMA_PROPERTY_APPROX_RULE); if ((approxRules != null) && (! approxRules.isEmpty())) { String ruleName = approxRules.get(0); String lowerName = toLowerCase(ruleName); ApproximateMatchingRule amr = schema.getApproximateMatchingRule(lowerName); if (amr == null) { // This is bad because we have no idea what the approximate matching // rule should be. Message message = WARN_ATTR_SYNTAX_ATTRTYPE_UNKNOWN_APPROXIMATE_MR.get( String.valueOf(oid), String.valueOf(ruleName)); throw new DirectoryException(ResultCode.CONSTRAINT_VIOLATION, message); } else { approximateMatchingRule = amr; } } // If there is a superior type, then it must have the same usage as the // subordinate type. Also, if the superior type is collective, then so must // the subordinate type be collective. if (superiorType != null) { if (superiorType.getUsage() != attributeUsage) { Message message = WARN_ATTR_SYNTAX_ATTRTYPE_INVALID_SUPERIOR_USAGE.get( oid, String.valueOf(attributeUsage), superiorType.getNameOrOID()); throw new DirectoryException(ResultCode.CONSTRAINT_VIOLATION, message); } if (superiorType.isCollective()) { if (!isCollective) { Message message = WARN_ATTR_SYNTAX_ATTRTYPE_NONCOLLECTIVE_FROM_COLLECTIVE.get( oid, superiorType.getNameOrOID()); throw new DirectoryException(ResultCode.CONSTRAINT_VIOLATION, message); } } } // If the attribute type is NO-USER-MODIFICATION, then it must not have a // usage of userApplications. if (isNoUserModification && (attributeUsage == AttributeUsage.USER_APPLICATIONS)) { Message message = WARN_ATTR_SYNTAX_ATTRTYPE_NO_USER_MOD_NOT_OPERATIONAL.get(oid); throw new DirectoryException(ResultCode.CONSTRAINT_VIOLATION, message); } CommonSchemaElements.checkSafeProperties(extraProperties); return new AttributeType(value.toString(), primaryName, typeNames, oid, description, superiorType, syntax, approximateMatchingRule, equalityMatchingRule, orderingMatchingRule, substringMatchingRule, attributeUsage, isCollective, isNoUserModification, isObsolete, isSingleValue, extraProperties); } /** * Reads the next token name from the attribute type definition, skipping over * any leading or trailing spaces, and appends it to the provided buffer. * * @param valueStr The string representation of the attribute type * definition. * @param tokenName The buffer into which the token name will be written. * @param startPos The position in the provided string at which to start * reading the token name. * * @return The position of the first character that is not part of the token * name or one of the trailing spaces after it. * * @throws DirectoryException If a problem is encountered while reading the * token name. */ private static int readTokenName(String valueStr, StringBuilder tokenName, int startPos) throws DirectoryException { // Skip over any spaces at the beginning of the value. char c = '\u0000'; int length = valueStr.length(); while ((startPos < length) && ((c = valueStr.charAt(startPos)) == ' ')) { startPos++; } if (startPos >= length) { Message message = ERR_ATTR_SYNTAX_ATTRTYPE_TRUNCATED_VALUE.get(valueStr); throw new DirectoryException( ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } // Read until we find the next space. while ((startPos < length) && ((c = valueStr.charAt(startPos)) != ' ') && (c = valueStr.charAt(startPos)) != ')') { tokenName.append(c); startPos++; } //We may be left with only ')' which is not part of the token yet. //Let us see if it is the case. if(tokenName.length()==0 && c == ')') { tokenName.append(c); startPos++; } // Skip over any trailing spaces after the value. while ((startPos < length) && ((c = valueStr.charAt(startPos)) == ' ')) { startPos++; } // Return the position of the first non-space character after the token. return startPos; } /** * Reads the value of a string enclosed in single quotes, skipping over the * quotes and any leading or trailing spaces, and appending the string to the * provided buffer. * * @param valueStr The user-provided representation of the attribute type * definition. * @param valueBuffer The buffer into which the user-provided representation * of the value will be placed. * @param startPos The position in the provided string at which to start * reading the quoted string. * * @return The position of the first character that is not part of the quoted * string or one of the trailing spaces after it. * * @throws DirectoryException If a problem is encountered while reading the * quoted string. */ private static int readQuotedString(String valueStr, StringBuilder valueBuffer, int startPos) throws DirectoryException { // Skip over any spaces at the beginning of the value. char c = '\u0000'; int length = valueStr.length(); while ((startPos < length) && ((c = valueStr.charAt(startPos)) == ' ')) { startPos++; } if (startPos >= length) { Message message = ERR_ATTR_SYNTAX_ATTRTYPE_TRUNCATED_VALUE.get(valueStr); throw new DirectoryException( ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } // The next character must be a single quote. if (c != '\'') { Message message = WARN_ATTR_SYNTAX_ATTRTYPE_EXPECTED_QUOTE_AT_POS.get( valueStr, startPos, String.valueOf(c)); throw new DirectoryException( ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } // Read until we find the closing quote. startPos++; while ((startPos < length) && ((c = valueStr.charAt(startPos)) != '\'')) { valueBuffer.append(c); startPos++; } // Skip over any trailing spaces after the value. startPos++; while ((startPos < length) && ((c = valueStr.charAt(startPos)) == ' ')) { startPos++; } // If we're at the end of the value, then that's illegal. if (startPos >= length) { Message message = ERR_ATTR_SYNTAX_ATTRTYPE_TRUNCATED_VALUE.get(valueStr); throw new DirectoryException( ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } // Return the position of the first non-space character after the token. return startPos; } /** * Reads the value of a string enclosed in single quotes, skipping over the * quotes and any leading or trailing spaces, and appending the string to the * provided buffer. * * @param valueStr The user-provided representation of the attribute type * definition. * @param lowerStr The all-lowercase representation of the attribute type * definition. * @param userBuffer The buffer into which the user-provided representation * of the value will be placed. * @param lowerBuffer The buffer into which the all-lowercase representation * of the value will be placed. * @param startPos The position in the provided string at which to start * reading the quoted string. * * @return The position of the first character that is not part of the quoted * string or one of the trailing spaces after it. * * @throws DirectoryException If a problem is encountered while reading the * quoted string. */ private static int readQuotedString(String valueStr, String lowerStr, StringBuilder userBuffer, StringBuilder lowerBuffer, int startPos) throws DirectoryException { // Skip over any spaces at the beginning of the value. char c = '\u0000'; int length = lowerStr.length(); while ((startPos < length) && ((c = lowerStr.charAt(startPos)) == ' ')) { startPos++; } if (startPos >= length) { Message message = ERR_ATTR_SYNTAX_ATTRTYPE_TRUNCATED_VALUE.get(lowerStr); throw new DirectoryException( ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } // The next character must be a single quote. if (c != '\'') { Message message = WARN_ATTR_SYNTAX_ATTRTYPE_EXPECTED_QUOTE_AT_POS.get( valueStr, startPos, String.valueOf(c)); throw new DirectoryException( ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } // Read until we find the closing quote. startPos++; while ((startPos < length) && ((c = lowerStr.charAt(startPos)) != '\'')) { lowerBuffer.append(c); userBuffer.append(valueStr.charAt(startPos)); startPos++; } // Skip over any trailing spaces after the value. startPos++; while ((startPos < length) && ((c = lowerStr.charAt(startPos)) == ' ')) { startPos++; } // If we're at the end of the value, then that's illegal. if (startPos >= length) { Message message = ERR_ATTR_SYNTAX_ATTRTYPE_TRUNCATED_VALUE.get(lowerStr); throw new DirectoryException( ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } // Return the position of the first non-space character after the token. return startPos; } /** * Reads the attribute description or numeric OID from the provided string, * skipping over any leading or trailing spaces, and appending the value to * the provided buffer. * * @param lowerStr The string from which the name or OID is to be read. * @param woidBuffer The buffer into which the name or OID should be * appended. * @param startPos The position at which to start reading. * * @return The position of the first character after the name or OID that is * not a space. * * @throws DirectoryException If a problem is encountered while reading the * name or OID. */ private static int readWOID(String lowerStr, StringBuilder woidBuffer, int startPos) throws DirectoryException { // Skip over any spaces at the beginning of the value. char c = '\u0000'; int length = lowerStr.length(); while ((startPos < length) && ((c = lowerStr.charAt(startPos)) == ' ')) { startPos++; } if (startPos >= length) { Message message = ERR_ATTR_SYNTAX_ATTRTYPE_TRUNCATED_VALUE.get(lowerStr); throw new DirectoryException( ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } // The next character must be either numeric (for an OID) or alphabetic (for // an attribute description). if (isDigit(c)) { // This must be a numeric OID. In that case, we will accept only digits // and periods, but not consecutive periods. boolean lastWasPeriod = false; while ((startPos < length) && ((c = lowerStr.charAt(startPos++)) != ' ')) { if (c == '.') { if (lastWasPeriod) { Message message = ERR_ATTR_SYNTAX_ATTRTYPE_DOUBLE_PERIOD_IN_NUMERIC_OID. get(lowerStr, (startPos-1)); throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } else { woidBuffer.append(c); lastWasPeriod = true; } } else if (! isDigit(c)) { // Technically, this must be an illegal character. However, it is // possible that someone just got sloppy and did not include a space // between the name/OID and a closing parenthesis. In that case, // we'll assume it's the end of the value. What's more, we'll have // to prematurely return to nasty side effects from stripping off // additional characters. if (c == ')') { return (startPos-1); } // This must have been an illegal character. Message message = ERR_ATTR_SYNTAX_ATTRTYPE_ILLEGAL_CHAR_IN_NUMERIC_OID. get(lowerStr, String.valueOf(c), (startPos-1)); throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } else { woidBuffer.append(c); lastWasPeriod = false; } } } else if (isAlpha(c)) { // This must be an attribute description. In this case, we will only // accept alphabetic characters, numeric digits, and the hyphen. while ((startPos < length) && ((c = lowerStr.charAt(startPos++)) != ' ')) { if (isAlpha(c) || isDigit(c) || (c == '-') || ((c == '_') && DirectoryServer.allowAttributeNameExceptions())) { woidBuffer.append(c); } else { // Technically, this must be an illegal character. However, it is // possible that someone just got sloppy and did not include a space // between the name/OID and a closing parenthesis. In that case, // we'll assume it's the end of the value. What's more, we'll have // to prematurely return to nasty side effects from stripping off // additional characters. if (c == ')') { return (startPos-1); } // This must have been an illegal character. Message message = ERR_ATTR_SYNTAX_ATTRTYPE_ILLEGAL_CHAR_IN_STRING_OID. get(lowerStr, String.valueOf(c), (startPos-1)); throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } } } else { Message message = ERR_ATTR_SYNTAX_ATTRTYPE_ILLEGAL_CHAR. get(lowerStr, String.valueOf(c), startPos); throw new DirectoryException( ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } // Skip over any trailing spaces after the value. while ((startPos < length) && ((c = lowerStr.charAt(startPos)) == ' ')) { startPos++; } // If we're at the end of the value, then that's illegal. if (startPos >= length) { Message message = ERR_ATTR_SYNTAX_ATTRTYPE_TRUNCATED_VALUE.get(lowerStr); throw new DirectoryException( ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } // Return the position of the first non-space character after the token. return startPos; } /** * Reads the value for an "extra" parameter. It will handle a single unquoted * word (which is technically illegal, but we'll allow it), a single quoted * string, or an open parenthesis followed by a space-delimited set of quoted * strings or unquoted words followed by a close parenthesis. * * @param valueStr The string containing the information to be read. * @param valueList The list of "extra" parameter values read so far. * @param startPos The position in the value string at which to start * reading. * * @return The "extra" parameter value that was read. * * @throws DirectoryException If a problem occurs while attempting to read * the value. */ private static int readExtraParameterValues(String valueStr, List<String> valueList, int startPos) throws DirectoryException { // Skip over any leading spaces. int length = valueStr.length(); char c = '\u0000'; while ((startPos < length) && ((c = valueStr.charAt(startPos)) == ' ')) { startPos++; } if (startPos >= length) { Message message = ERR_ATTR_SYNTAX_ATTRTYPE_TRUNCATED_VALUE.get(valueStr); throw new DirectoryException( ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } // Look at the next character. If it is a quote, then parse until the next // quote and end. If it is an open parenthesis, then parse individual // values until the close parenthesis and end. Otherwise, parse until the // next space and end. if (c == '\'') { // Parse until the closing quote. StringBuilder valueBuffer = new StringBuilder(); startPos++; while ((startPos < length) && ((c = valueStr.charAt(startPos)) != '\'')) { valueBuffer.append(c); startPos++; } startPos++; valueList.add(valueBuffer.toString()); } else if (c == '(') { startPos++; // We're expecting a list of values. Quoted, space separated. while (true) { // Skip over any leading spaces; while ((startPos < length) && ((c = valueStr.charAt(startPos)) == ' ')) { startPos++; } if (startPos >= length) { Message message = ERR_ATTR_SYNTAX_ATTRTYPE_TRUNCATED_VALUE.get(valueStr); throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } if (c == ')') { // This is the end of the list. startPos++; break; } else if (c == '(') { // This is an illegal character. Message message = ERR_ATTR_SYNTAX_ATTRSYNTAX_EXTENSION_INVALID_CHARACTER.get( valueStr, startPos); throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } else if (c == '\'') { // We have a quoted string StringBuilder valueBuffer = new StringBuilder(); startPos++; while ((startPos < length) && ((c = valueStr.charAt(startPos)) != '\'')) { valueBuffer.append(c); startPos++; } valueList.add(valueBuffer.toString()); startPos++; } else { //Consider unquoted string StringBuilder valueBuffer = new StringBuilder(); while ((startPos < length) && ((c = valueStr.charAt(startPos)) != ' ')) { valueBuffer.append(c); startPos++; } valueList.add(valueBuffer.toString()); } if (startPos >= length) { Message message = ERR_ATTR_SYNTAX_ATTRTYPE_TRUNCATED_VALUE.get(valueStr); throw new DirectoryException(ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } } } else { // Parse until the next space. StringBuilder valueBuffer = new StringBuilder(); while ((startPos < length) && ((c = valueStr.charAt(startPos)) != ' ')) { valueBuffer.append(c); startPos++; } valueList.add(valueBuffer.toString()); } // Skip over any trailing spaces. while ((startPos < length) && (valueStr.charAt(startPos) == ' ')) { startPos++; } if (startPos >= length) { Message message = ERR_ATTR_SYNTAX_ATTRTYPE_TRUNCATED_VALUE.get(valueStr); throw new DirectoryException( ResultCode.INVALID_ATTRIBUTE_SYNTAX, message); } return startPos; } /** * {@inheritDoc} */ public ConfigChangeResult applyConfigurationChange( AttributeTypeDescriptionAttributeSyntaxCfg configuration) { currentConfig = configuration; stripMinimumUpperBound = configuration.isStripSyntaxMinUpperBound(); return new ConfigChangeResult(ResultCode.SUCCESS, false); } /** * {@inheritDoc} */ public boolean isConfigurationChangeAcceptable( AttributeTypeDescriptionAttributeSyntaxCfg configuration, List<Message> unacceptableReasons) { // The configuration will always be acceptable. return true; } /** * Boolean that indicates that the minimum upper bound value should be * stripped from the Attrbute Type Syntax Description. * * @return True if the minimum upper bound value should be stripped. */ public static boolean isStripSyntaxMinimumUpperBound() { return stripMinimumUpperBound; } /** * {@inheritDoc} */ public boolean isBinary() { return false; } /** * {@inheritDoc} */ public boolean isHumanReadable() { return true; } }