8181432: Better processing of unresolved permissions

Reviewed-by: mullan
This commit is contained in:
Weijun Wang 2017-07-06 09:20:21 +08:00
parent 47efefa42f
commit 3232ef5897
5 changed files with 50 additions and 25 deletions

View File

@ -35,6 +35,7 @@ import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.security.cert.*;
import sun.net.util.URLUtil;
import sun.security.util.IOUtils;
/**
*
@ -571,6 +572,8 @@ public class CodeSource implements java.io.Serializable {
// could all be present in the stream at the same time
cfs = new Hashtable<>(3);
certList = new ArrayList<>(size > 20 ? 20 : size);
} else if (size < 0) {
throw new IOException("size cannot be negative");
}
for (int i = 0; i < size; i++) {
@ -592,13 +595,7 @@ public class CodeSource implements java.io.Serializable {
cfs.put(certType, cf);
}
// parse the certificate
byte[] encoded = null;
try {
encoded = new byte[ois.readInt()];
} catch (OutOfMemoryError oome) {
throw new IOException("Certificate too big");
}
ois.readFully(encoded);
byte[] encoded = IOUtils.readNBytes(ois, ois.readInt());
ByteArrayInputStream bais = new ByteArrayInputStream(encoded);
try {
certList.add(cf.generateCertificate(bais));

View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1997, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -25,12 +25,16 @@
package java.security;
import sun.security.util.IOUtils;
import java.io.IOException;
import java.io.ByteArrayInputStream;
import java.security.cert.Certificate;
import java.util.ArrayList;
import java.util.Hashtable;
import java.lang.reflect.*;
import java.security.cert.*;
import java.util.List;
/**
* The UnresolvedPermission class is used to hold Permissions that
@ -550,6 +554,7 @@ implements java.io.Serializable
{
CertificateFactory cf;
Hashtable<String, CertificateFactory> cfs = null;
List<Certificate> certList = null;
ois.defaultReadObject();
@ -562,7 +567,9 @@ implements java.io.Serializable
// we know of 3 different cert types: X.509, PGP, SDSI, which
// could all be present in the stream at the same time
cfs = new Hashtable<>(3);
this.certs = new java.security.cert.Certificate[size];
certList = new ArrayList<>(size > 20 ? 20 : size);
} else if (size < 0) {
throw new IOException("size cannot be negative");
}
for (int i=0; i<size; i++) {
@ -584,20 +591,18 @@ implements java.io.Serializable
cfs.put(certType, cf);
}
// parse the certificate
byte[] encoded=null;
try {
encoded = new byte[ois.readInt()];
} catch (OutOfMemoryError oome) {
throw new IOException("Certificate too big");
}
ois.readFully(encoded);
byte[] encoded = IOUtils.readNBytes(ois, ois.readInt());
ByteArrayInputStream bais = new ByteArrayInputStream(encoded);
try {
this.certs[i] = cf.generateCertificate(bais);
certList.add(cf.generateCertificate(bais));
} catch (CertificateException ce) {
throw new IOException(ce.getMessage());
}
bais.close();
}
if (certList != null) {
this.certs = certList.toArray(
new java.security.cert.Certificate[size]);
}
}
}

View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 2007, 2014, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2007, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -34,6 +34,7 @@ import java.util.HashMap;
import java.util.Map;
import javax.security.auth.x500.X500Principal;
import sun.security.util.IOUtils;
import sun.security.util.ObjectIdentifier;
import sun.security.x509.InvalidityDateExtension;
@ -230,17 +231,17 @@ public class CertificateRevokedException extends CertificateException {
int size = ois.readInt();
if (size == 0) {
extensions = Collections.emptyMap();
} else if (size < 0) {
throw new IOException("size cannot be negative");
} else {
extensions = new HashMap<>(size);
extensions = new HashMap<>(size > 20 ? 20 : size);
}
// Read in the extensions and put the mappings in the extensions map
for (int i = 0; i < size; i++) {
String oid = (String) ois.readObject();
boolean critical = ois.readBoolean();
int length = ois.readInt();
byte[] extVal = new byte[length];
ois.readFully(extVal);
byte[] extVal = IOUtils.readNBytes(ois, ois.readInt());
Extension ext = sun.security.x509.Extension.newExtension
(new ObjectIdentifier(oid), critical, extVal);
extensions.put(oid, ext);

View File

@ -37,7 +37,7 @@ import java.util.Arrays;
public class IOUtils {
/**
* Read up to <code>length</code> of bytes from <code>in</code>
* Read up to {@code length} of bytes from {@code in}
* until EOF is detected.
* @param is input stream, must not be null
* @param length number of bytes to read
@ -78,4 +78,22 @@ public class IOUtils {
}
return output;
}
/**
* Read {@code length} of bytes from {@code in}. An exception is
* thrown if there are not enough bytes in the stream.
*
* @param is input stream, must not be null
* @param length number of bytes to read, must not be negative
* @return bytes read
* @throws IOException if any IO error or a premature EOF is detected, or
* if {@code length} is negative since this length is usually also
* read from {@code is}.
*/
public static byte[] readNBytes(InputStream is, int length) throws IOException {
if (length < 0) {
throw new IOException("length cannot be negative: " + length);
}
return readFully(is, length, true);
}
}

View File

@ -1,5 +1,5 @@
/*
* Copyright (c) 1996, 2016, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1996, 2017, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -111,7 +111,11 @@ class ObjectIdentifier implements Serializable
is.defaultReadObject();
if (encoding == null) { // from an old version
init((int[])components, componentLen);
int[] comp = (int[])components;
if (componentLen > comp.length) {
componentLen = comp.length;
}
init(comp, componentLen);
}
}