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Diffstat (limited to 'src/com/sun/org/apache/xerces/internal/impl/XML11EntityScanner.java')
-rw-r--r--src/com/sun/org/apache/xerces/internal/impl/XML11EntityScanner.java180
1 files changed, 74 insertions, 106 deletions
diff --git a/src/com/sun/org/apache/xerces/internal/impl/XML11EntityScanner.java b/src/com/sun/org/apache/xerces/internal/impl/XML11EntityScanner.java
index bf72247..e29d296 100644
--- a/src/com/sun/org/apache/xerces/internal/impl/XML11EntityScanner.java
+++ b/src/com/sun/org/apache/xerces/internal/impl/XML11EntityScanner.java
@@ -1,7 +1,6 @@
/*
* Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
*/
-
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
@@ -10,7 +9,7 @@
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
- * http://www.apache.org/licenses/LICENSE-2.0
+ * http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
@@ -21,6 +20,7 @@
package com.sun.org.apache.xerces.internal.impl;
+import com.sun.org.apache.xerces.internal.impl.XMLScanner.NameType;
import com.sun.org.apache.xerces.internal.impl.msg.XMLMessageFormatter;
import com.sun.org.apache.xerces.internal.util.XML11Char;
import com.sun.org.apache.xerces.internal.util.XMLChar;
@@ -28,6 +28,7 @@ import com.sun.org.apache.xerces.internal.util.XMLStringBuffer;
import com.sun.org.apache.xerces.internal.utils.XMLSecurityManager.Limit;
import com.sun.org.apache.xerces.internal.xni.QName;
import com.sun.org.apache.xerces.internal.xni.XMLString;
+import com.sun.xml.internal.stream.Entity;
import java.io.IOException;
/**
@@ -93,7 +94,7 @@ public class XML11EntityScanner
* @throws IOException Thrown if i/o error occurs.
* @throws EOFException Thrown on end of file.
*/
- public int scanChar() throws IOException {
+ protected int scanChar(NameType nt) throws IOException {
// load more characters, if needed
if (fCurrentEntity.position == fCurrentEntity.count) {
@@ -101,6 +102,7 @@ public class XML11EntityScanner
}
// scan character
+ int offset = fCurrentEntity.position;
int c = fCurrentEntity.ch[fCurrentEntity.position++];
boolean external = false;
if (c == '\n' ||
@@ -111,6 +113,7 @@ public class XML11EntityScanner
invokeListeners(1);
fCurrentEntity.ch[0] = (char)c;
load(1, false, false);
+ offset = 0;
}
if (c == '\r' && external) {
int cc = fCurrentEntity.ch[fCurrentEntity.position++];
@@ -123,6 +126,9 @@ public class XML11EntityScanner
// return character that was scanned
fCurrentEntity.columnNumber++;
+ if (!detectingVersion) {
+ checkEntityLimit(nt, fCurrentEntity, offset, fCurrentEntity.position - offset);
+ }
return c;
} // scanChar():int
@@ -142,7 +148,7 @@ public class XML11EntityScanner
* @see com.sun.org.apache.xerces.internal.util.SymbolTable
* @see com.sun.org.apache.xerces.internal.util.XML11Char#isXML11Name
*/
- public String scanNmtoken() throws IOException {
+ protected String scanNmtoken() throws IOException {
// load more characters, if needed
if (fCurrentEntity.position == fCurrentEntity.count) {
load(0, true, true);
@@ -249,6 +255,8 @@ public class XML11EntityScanner
* <strong>Note:</strong> The string returned must be a symbol. The
* SymbolTable can be used for this purpose.
*
+ * @param nt The type of the name (element or attribute)
+ *
* @throws IOException Thrown if i/o error occurs.
* @throws EOFException Thrown on end of file.
*
@@ -256,7 +264,7 @@ public class XML11EntityScanner
* @see com.sun.org.apache.xerces.internal.util.XML11Char#isXML11Name
* @see com.sun.org.apache.xerces.internal.util.XML11Char#isXML11NameStart
*/
- public String scanName() throws IOException {
+ protected String scanName(NameType nt) throws IOException {
// load more characters, if needed
if (fCurrentEntity.position == fCurrentEntity.count) {
load(0, true, true);
@@ -311,23 +319,11 @@ public class XML11EntityScanner
return null;
}
+ int length = 0;
do {
ch = fCurrentEntity.ch[fCurrentEntity.position];
if (XML11Char.isXML11Name(ch)) {
- if (++fCurrentEntity.position == fCurrentEntity.count) {
- int length = fCurrentEntity.position - offset;
- invokeListeners(length);
- if (length == fCurrentEntity.ch.length) {
- // bad luck we have to resize our buffer
- char[] tmp = new char[fCurrentEntity.ch.length << 1];
- System.arraycopy(fCurrentEntity.ch, offset,
- tmp, 0, length);
- fCurrentEntity.ch = tmp;
- }
- else {
- System.arraycopy(fCurrentEntity.ch, offset,
- fCurrentEntity.ch, 0, length);
- }
+ if ((length = checkBeforeLoad(fCurrentEntity, offset, offset)) > 0) {
offset = 0;
if (load(length, false, false)) {
break;
@@ -335,20 +331,7 @@ public class XML11EntityScanner
}
}
else if (XML11Char.isXML11NameHighSurrogate(ch)) {
- if (++fCurrentEntity.position == fCurrentEntity.count) {
- int length = fCurrentEntity.position - offset;
- invokeListeners(length);
- if (length == fCurrentEntity.ch.length) {
- // bad luck we have to resize our buffer
- char[] tmp = new char[fCurrentEntity.ch.length << 1];
- System.arraycopy(fCurrentEntity.ch, offset,
- tmp, 0, length);
- fCurrentEntity.ch = tmp;
- }
- else {
- System.arraycopy(fCurrentEntity.ch, offset,
- fCurrentEntity.ch, 0, length);
- }
+ if ((length = checkBeforeLoad(fCurrentEntity, offset, offset)) > 0) {
offset = 0;
if (load(length, false, false)) {
--fCurrentEntity.position;
@@ -362,20 +345,7 @@ public class XML11EntityScanner
--fCurrentEntity.position;
break;
}
- if (++fCurrentEntity.position == fCurrentEntity.count) {
- int length = fCurrentEntity.position - offset;
- invokeListeners(length);
- if (length == fCurrentEntity.ch.length) {
- // bad luck we have to resize our buffer
- char[] tmp = new char[fCurrentEntity.ch.length << 1];
- System.arraycopy(fCurrentEntity.ch, offset,
- tmp, 0, length);
- fCurrentEntity.ch = tmp;
- }
- else {
- System.arraycopy(fCurrentEntity.ch, offset,
- fCurrentEntity.ch, 0, length);
- }
+ if ((length = checkBeforeLoad(fCurrentEntity, offset, offset)) > 0) {
offset = 0;
if (load(length, false, false)) {
break;
@@ -388,12 +358,14 @@ public class XML11EntityScanner
}
while (true);
- int length = fCurrentEntity.position - offset;
+ length = fCurrentEntity.position - offset;
fCurrentEntity.columnNumber += length;
// return name
String symbol = null;
if (length > 0) {
+ checkLimit(Limit.MAX_NAME_LIMIT, fCurrentEntity, offset, length);
+ checkEntityLimit(nt, fCurrentEntity, offset, length);
symbol = fSymbolTable.addSymbol(fCurrentEntity.ch, offset, length);
}
return symbol;
@@ -416,7 +388,7 @@ public class XML11EntityScanner
* @see com.sun.org.apache.xerces.internal.util.XML11Char#isXML11NCName
* @see com.sun.org.apache.xerces.internal.util.XML11Char#isXML11NCNameStart
*/
- public String scanNCName() throws IOException {
+ protected String scanNCName() throws IOException {
// load more characters, if needed
if (fCurrentEntity.position == fCurrentEntity.count) {
@@ -572,6 +544,7 @@ public class XML11EntityScanner
* this purpose.
*
* @param qname The qualified name structure to fill.
+ * @param nt The type of the name (element or attribute)
*
* @return Returns true if a qualified name appeared immediately on
* the input and was scanned, false otherwise.
@@ -583,7 +556,7 @@ public class XML11EntityScanner
* @see com.sun.org.apache.xerces.internal.util.XML11Char#isXML11Name
* @see com.sun.org.apache.xerces.internal.util.XML11Char#isXML11NameStart
*/
- public boolean scanQName(QName qname) throws IOException {
+ protected boolean scanQName(QName qname, XMLScanner.NameType nt) throws IOException {
// load more characters, if needed
if (fCurrentEntity.position == fCurrentEntity.count) {
@@ -603,6 +576,7 @@ public class XML11EntityScanner
fCurrentEntity.columnNumber++;
String name = fSymbolTable.addSymbol(fCurrentEntity.ch, 0, 1);
qname.setValues(null, name, name, null);
+ checkEntityLimit(nt, fCurrentEntity, 0, 1);
return true;
}
}
@@ -633,6 +607,7 @@ public class XML11EntityScanner
fCurrentEntity.columnNumber += 2;
String name = fSymbolTable.addSymbol(fCurrentEntity.ch, 0, 2);
qname.setValues(null, name, name, null);
+ checkEntityLimit(nt, fCurrentEntity, 0, 2);
return true;
}
}
@@ -642,6 +617,7 @@ public class XML11EntityScanner
}
int index = -1;
+ int length = 0;
boolean sawIncompleteSurrogatePair = false;
do {
ch = fCurrentEntity.ch[fCurrentEntity.position];
@@ -654,22 +630,7 @@ public class XML11EntityScanner
//check prefix before further read
checkLimit(Limit.MAX_NAME_LIMIT, fCurrentEntity, offset, index - offset);
}
- if (++fCurrentEntity.position == fCurrentEntity.count) {
- int length = fCurrentEntity.position - offset;
- //check localpart before loading more data
- checkLimit(Limit.MAX_NAME_LIMIT, fCurrentEntity, offset, length - index - 1);
- invokeListeners(length);
- if (length == fCurrentEntity.ch.length) {
- // bad luck we have to resize our buffer
- char[] tmp = new char[fCurrentEntity.ch.length << 1];
- System.arraycopy(fCurrentEntity.ch, offset,
- tmp, 0, length);
- fCurrentEntity.ch = tmp;
- }
- else {
- System.arraycopy(fCurrentEntity.ch, offset,
- fCurrentEntity.ch, 0, length);
- }
+ if ((length = checkBeforeLoad(fCurrentEntity, offset, index)) > 0) {
if (index != -1) {
index = index - offset;
}
@@ -680,20 +641,7 @@ public class XML11EntityScanner
}
}
else if (XML11Char.isXML11NameHighSurrogate(ch)) {
- if (++fCurrentEntity.position == fCurrentEntity.count) {
- int length = fCurrentEntity.position - offset;
- invokeListeners(length);
- if (length == fCurrentEntity.ch.length) {
- // bad luck we have to resize our buffer
- char[] tmp = new char[fCurrentEntity.ch.length << 1];
- System.arraycopy(fCurrentEntity.ch, offset,
- tmp, 0, length);
- fCurrentEntity.ch = tmp;
- }
- else {
- System.arraycopy(fCurrentEntity.ch, offset,
- fCurrentEntity.ch, 0, length);
- }
+ if ((length = checkBeforeLoad(fCurrentEntity, offset, index)) > 0) {
if (index != -1) {
index = index - offset;
}
@@ -712,20 +660,7 @@ public class XML11EntityScanner
--fCurrentEntity.position;
break;
}
- if (++fCurrentEntity.position == fCurrentEntity.count) {
- int length = fCurrentEntity.position - offset;
- invokeListeners(length);
- if (length == fCurrentEntity.ch.length) {
- // bad luck we have to resize our buffer
- char[] tmp = new char[fCurrentEntity.ch.length << 1];
- System.arraycopy(fCurrentEntity.ch, offset,
- tmp, 0, length);
- fCurrentEntity.ch = tmp;
- }
- else {
- System.arraycopy(fCurrentEntity.ch, offset,
- fCurrentEntity.ch, 0, length);
- }
+ if ((length = checkBeforeLoad(fCurrentEntity, offset, index)) > 0) {
if (index != -1) {
index = index - offset;
}
@@ -741,7 +676,7 @@ public class XML11EntityScanner
}
while (true);
- int length = fCurrentEntity.position - offset;
+ length = fCurrentEntity.position - offset;
fCurrentEntity.columnNumber += length;
if (length > 0) {
@@ -777,6 +712,7 @@ public class XML11EntityScanner
checkLimit(Limit.MAX_NAME_LIMIT, fCurrentEntity, offset, length);
}
qname.setValues(prefix, localpart, rawname, null);
+ checkEntityLimit(nt, fCurrentEntity, offset, length);
return true;
}
return false;
@@ -809,7 +745,7 @@ public class XML11EntityScanner
* @throws IOException Thrown if i/o error occurs.
* @throws EOFException Thrown on end of file.
*/
- public int scanContent(XMLString content) throws IOException {
+ protected int scanContent(XMLString content) throws IOException {
// load more characters, if needed
if (fCurrentEntity.position == fCurrentEntity.count) {
@@ -827,6 +763,7 @@ public class XML11EntityScanner
int offset = fCurrentEntity.position;
int c = fCurrentEntity.ch[offset];
int newlines = 0;
+ boolean counted = false;
boolean external = fCurrentEntity.isExternal();
if (c == '\n' || ((c == '\r' || c == 0x85 || c == 0x2028) && external)) {
do {
@@ -836,11 +773,13 @@ public class XML11EntityScanner
fCurrentEntity.lineNumber++;
fCurrentEntity.columnNumber = 1;
if (fCurrentEntity.position == fCurrentEntity.count) {
+ checkEntityLimit(null, fCurrentEntity, offset, newlines);
offset = 0;
fCurrentEntity.baseCharOffset += (fCurrentEntity.position - fCurrentEntity.startPosition);
fCurrentEntity.position = newlines;
fCurrentEntity.startPosition = newlines;
if (load(newlines, false, true)) {
+ counted = true;
break;
}
}
@@ -859,11 +798,13 @@ public class XML11EntityScanner
fCurrentEntity.lineNumber++;
fCurrentEntity.columnNumber = 1;
if (fCurrentEntity.position == fCurrentEntity.count) {
+ checkEntityLimit(null, fCurrentEntity, offset, newlines);
offset = 0;
fCurrentEntity.baseCharOffset += (fCurrentEntity.position - fCurrentEntity.startPosition);
fCurrentEntity.position = newlines;
fCurrentEntity.startPosition = newlines;
if (load(newlines, false, true)) {
+ counted = true;
break;
}
}
@@ -878,6 +819,7 @@ public class XML11EntityScanner
}
int length = fCurrentEntity.position - offset;
if (fCurrentEntity.position == fCurrentEntity.count - 1) {
+ checkEntityLimit(null, fCurrentEntity, offset, length);
content.setValues(fCurrentEntity.ch, offset, length);
return -1;
}
@@ -905,8 +847,8 @@ public class XML11EntityScanner
}
int length = fCurrentEntity.position - offset;
fCurrentEntity.columnNumber += length - newlines;
- if (fCurrentEntity.isGE) {
- checkLimit(Limit.TOTAL_ENTITY_SIZE_LIMIT, fCurrentEntity, offset, length);
+ if (!counted) {
+ checkEntityLimit(null, fCurrentEntity, offset, length);
}
content.setValues(fCurrentEntity.ch, offset, length);
@@ -946,6 +888,7 @@ public class XML11EntityScanner
* @param quote The quote character that signifies the end of the
* attribute value data.
* @param content The content structure to fill.
+ * @param isNSURI a flag indicating whether the content is a Namespace URI
*
* @return Returns the next character on the input, if known. This
* value may be -1 but this does <em>note</em> designate
@@ -954,7 +897,7 @@ public class XML11EntityScanner
* @throws IOException Thrown if i/o error occurs.
* @throws EOFException Thrown on end of file.
*/
- public int scanLiteral(int quote, XMLString content)
+ protected int scanLiteral(int quote, XMLString content, boolean isNSURI)
throws IOException {
// load more characters, if needed
if (fCurrentEntity.position == fCurrentEntity.count) {
@@ -1052,8 +995,10 @@ public class XML11EntityScanner
}
int length = fCurrentEntity.position - offset;
fCurrentEntity.columnNumber += length - newlines;
- if (fCurrentEntity.isGE) {
- checkLimit(Limit.TOTAL_ENTITY_SIZE_LIMIT, fCurrentEntity, offset, length);
+
+ checkEntityLimit(null, fCurrentEntity, offset, length);
+ if (isNSURI) {
+ checkLimit(Limit.MAX_NAME_LIMIT, fCurrentEntity, offset, length);
}
content.setValues(fCurrentEntity.ch, offset, length);
@@ -1104,7 +1049,7 @@ public class XML11EntityScanner
* @throws IOException Thrown if i/o error occurs.
* @throws EOFException Thrown on end of file.
*/
- public boolean scanData(String delimiter, XMLStringBuffer buffer)
+ protected boolean scanData(String delimiter, XMLStringBuffer buffer)
throws IOException {
boolean done = false;
@@ -1136,6 +1081,7 @@ public class XML11EntityScanner
if (fCurrentEntity.position >= fCurrentEntity.count - delimLen) {
// something must be wrong with the input: e.g., file ends an unterminated comment
int length = fCurrentEntity.count - fCurrentEntity.position;
+ checkEntityLimit(NameType.COMMENT, fCurrentEntity, fCurrentEntity.position, length);
buffer.append (fCurrentEntity.ch, fCurrentEntity.position, length);
fCurrentEntity.columnNumber += fCurrentEntity.count;
fCurrentEntity.baseCharOffset += (fCurrentEntity.position - fCurrentEntity.startPosition);
@@ -1200,6 +1146,7 @@ public class XML11EntityScanner
}
int length = fCurrentEntity.position - offset;
if (fCurrentEntity.position == fCurrentEntity.count - 1) {
+ checkEntityLimit(NameType.COMMENT, fCurrentEntity, offset, length);
buffer.append(fCurrentEntity.ch, offset, length);
return true;
}
@@ -1238,6 +1185,7 @@ public class XML11EntityScanner
fCurrentEntity.position--;
int length = fCurrentEntity.position - offset;
fCurrentEntity.columnNumber += length - newlines;
+ checkEntityLimit(NameType.COMMENT, fCurrentEntity, offset, length);
buffer.append(fCurrentEntity.ch, offset, length);
return true;
}
@@ -1275,6 +1223,7 @@ public class XML11EntityScanner
fCurrentEntity.position--;
int length = fCurrentEntity.position - offset;
fCurrentEntity.columnNumber += length - newlines;
+ checkEntityLimit(NameType.COMMENT, fCurrentEntity, offset, length);
buffer.append(fCurrentEntity.ch, offset, length);
return true;
}
@@ -1282,6 +1231,7 @@ public class XML11EntityScanner
}
int length = fCurrentEntity.position - offset;
fCurrentEntity.columnNumber += length - newlines;
+ checkEntityLimit(NameType.COMMENT, fCurrentEntity, offset, length);
if (done) {
length -= delimLen;
}
@@ -1306,7 +1256,7 @@ public class XML11EntityScanner
* @throws IOException Thrown if i/o error occurs.
* @throws EOFException Thrown on end of file.
*/
- public boolean skipChar(int c) throws IOException {
+ protected boolean skipChar(int c, NameType nt) throws IOException {
// load more characters, if needed
if (fCurrentEntity.position == fCurrentEntity.count) {
@@ -1314,6 +1264,7 @@ public class XML11EntityScanner
}
// skip character
+ int offset = fCurrentEntity.position;
int cc = fCurrentEntity.ch[fCurrentEntity.position];
if (cc == c) {
fCurrentEntity.position++;
@@ -1324,12 +1275,14 @@ public class XML11EntityScanner
else {
fCurrentEntity.columnNumber++;
}
+ checkEntityLimit(nt, fCurrentEntity, offset, fCurrentEntity.position - offset);
return true;
}
else if (c == '\n' && ((cc == 0x2028 || cc == 0x85) && fCurrentEntity.isExternal())) {
fCurrentEntity.position++;
fCurrentEntity.lineNumber++;
fCurrentEntity.columnNumber = 1;
+ checkEntityLimit(nt, fCurrentEntity, offset, fCurrentEntity.position - offset);
return true;
}
else if (c == '\n' && (cc == '\r' ) && fCurrentEntity.isExternal()) {
@@ -1345,6 +1298,7 @@ public class XML11EntityScanner
}
fCurrentEntity.lineNumber++;
fCurrentEntity.columnNumber = 1;
+ checkEntityLimit(nt, fCurrentEntity, offset, fCurrentEntity.position - offset);
return true;
}
@@ -1367,7 +1321,7 @@ public class XML11EntityScanner
* @see com.sun.org.apache.xerces.internal.util.XMLChar#isSpace
* @see com.sun.org.apache.xerces.internal.util.XML11Char#isXML11Space
*/
- public boolean skipSpaces() throws IOException {
+ protected boolean skipSpaces() throws IOException {
// load more characters, if needed
if (fCurrentEntity.position == fCurrentEntity.count) {
@@ -1387,7 +1341,7 @@ public class XML11EntityScanner
// skip spaces
int c = fCurrentEntity.ch[fCurrentEntity.position];
-
+ int offset = fCurrentEntity.position - 1;
// External -- Match: S + 0x85 + 0x2028, and perform end of line normalization
if (fCurrentEntity.isExternal()) {
if (XML11Char.isXML11Space(c)) {
@@ -1423,6 +1377,11 @@ public class XML11EntityScanner
else {
fCurrentEntity.columnNumber++;
}
+
+ //If this is a general entity, spaces within a start element should be counted
+ checkEntityLimit(null, fCurrentEntity, offset, fCurrentEntity.position - offset);
+ offset = fCurrentEntity.position;
+
// load more characters, if needed
if (!entityChanged)
fCurrentEntity.position++;
@@ -1463,6 +1422,11 @@ public class XML11EntityScanner
else {
fCurrentEntity.columnNumber++;
}
+
+ //If this is a general entity, spaces within a start element should be counted
+ checkEntityLimit(null, fCurrentEntity, offset, fCurrentEntity.position - offset);
+ offset = fCurrentEntity.position;
+
// load more characters, if needed
if (!entityChanged)
fCurrentEntity.position++;
@@ -1496,7 +1460,7 @@ public class XML11EntityScanner
* @throws IOException Thrown if i/o error occurs.
* @throws EOFException Thrown on end of file.
*/
- public boolean skipString(String s) throws IOException {
+ protected boolean skipString(String s) throws IOException {
// load more characters, if needed
if (fCurrentEntity.position == fCurrentEntity.count) {
@@ -1505,6 +1469,7 @@ public class XML11EntityScanner
// skip string
final int length = s.length();
+ final int beforeSkip = fCurrentEntity.position ;
for (int i = 0; i < length; i++) {
char c = fCurrentEntity.ch[fCurrentEntity.position++];
if (c != s.charAt(i)) {
@@ -1524,6 +1489,9 @@ public class XML11EntityScanner
}
}
fCurrentEntity.columnNumber += length;
+ if (!detectingVersion) {
+ checkEntityLimit(null, fCurrentEntity, beforeSkip, length);
+ }
return true;
} // skipString(String):boolean
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-03 15:09:52 +0000