com.sun.jna.platform.win32.SspiUtil Maven / Gradle / Ivy
/* Copyright (c) 2010 Daniel Doubrovkine, All Rights Reserved
*
* The contents of this file is dual-licensed under 2
* alternative Open Source/Free licenses: LGPL 2.1 or later and
* Apache License 2.0. (starting with JNA version 4.0.0).
*
* You can freely decide which license you want to apply to
* the project.
*
* You may obtain a copy of the LGPL License at:
*
* http://www.gnu.org/licenses/licenses.html
*
* A copy is also included in the downloadable source code package
* containing JNA, in file "LGPL2.1".
*
* You may obtain a copy of the Apache License at:
*
* http://www.apache.org/licenses/
*
* A copy is also included in the downloadable source code package
* containing JNA, in file "AL2.0".
*/
package com.sun.jna.platform.win32;
/**
* Utility classes and methods for Sspi
*/
public class SspiUtil {
/**
* The SecBufferDesc structure describes an array of SecBuffer structures
* to pass from a transport application to a security package.
*
*
* ManagedSecBufferDesc is a convenience binding, that makes dealing with
* {@link com.sun.jna.platform.win32.Sspi.SecBufferDesc SecBufferDesc}
* easier by providing direct, bound access, to the contained
* {@link com.sun.jna.platform.win32.Sspi.SecBuffer SecBuffer}s.
*
*
*
* ManagedSecBufferDesc assumes, that the size (entry count) of the
* SecBufferDesc is known at construction time. It is assumed, that this
* covers all relevant use-cases.
*/
public static class ManagedSecBufferDesc extends Sspi.SecBufferDesc {
private final Sspi.SecBuffer[] secBuffers;
/**
* Create a new SecBufferDesc with initial data.
* @param type Token type.
* @param token Initial token data.
*/
public ManagedSecBufferDesc(int type, byte[] token) {
secBuffers = new Sspi.SecBuffer[] { new Sspi.SecBuffer(type, token) };
pBuffers = secBuffers[0].getPointer();
cBuffers = secBuffers.length;
}
/**
* Create a new SecBufferDesc with one SecBuffer of a given type and size.
* @param type type
* @param tokenSize token size
*/
public ManagedSecBufferDesc(int type, int tokenSize) {
secBuffers = new Sspi.SecBuffer[] { new Sspi.SecBuffer(type, tokenSize) };
pBuffers = secBuffers[0].getPointer();
cBuffers = secBuffers.length;
}
public ManagedSecBufferDesc(int bufferCount) {
cBuffers = bufferCount;
secBuffers = (Sspi.SecBuffer[]) new Sspi.SecBuffer().toArray(bufferCount);
pBuffers = secBuffers[0].getPointer();
cBuffers = secBuffers.length;
}
public Sspi.SecBuffer getBuffer(int idx) {
return secBuffers[idx];
}
@Override
public void write() {
for(Sspi.SecBuffer sb: secBuffers) {
sb.write();
}
writeField("ulVersion");
writeField("pBuffers");
writeField("cBuffers");
}
@Override
public void read() {
for (Sspi.SecBuffer sb : secBuffers) {
sb.read();
}
}
}
}