DSAuthenticateNT.m [plain text]
/*
* Copyright (c) 2000 - 2003 Apple Computer, Inc. All rights reserved.
*
* @APPLE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this
* file.
*
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
*
* @APPLE_LICENSE_HEADER_END@
*/
/*!
* @header DSAuthenticateNT
*/
#import "DSAuthenticateNT.h"
#import <openssl/rand.h>
#import <DirectoryServiceCore/SMBAuth.h>
extern BOOL doVerbose;
void
print_as_hex( void *bin, int len )
{
int idx;
for ( idx = 0; idx < len; idx++ )
printf( "
printf("\n");
}
@implementation DSAuthenticateNT
- (tDirStatus)authenticateInNode:(tDirNodeReference)userNode username:(NSString*)inUsername
password:(NSString*)inPassword
{
NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
tDataBufferPtr step = NULL;
tDataBufferPtr stepResponse = NULL;
tDataNodePtr authMethod = NULL;
UInt32 length = 0;
UInt32 current = 0;
tDirStatus status = 0;
unsigned char hash[21] = {0};
unsigned char p24[24] = {0};
unsigned char challenge[8] = {0};
[self allocateDataBuffer:&step withNumberOfBlocks:1 shouldReallocate: NO];
[self allocateDataBuffer:&stepResponse withNumberOfBlocks:4 shouldReallocate: NO];
authMethod = dsDataNodeAllocateString(_DirRef, kDSStdAuthSMB_NT_Key);
// Prepare data derived from password to pass to dsDoDirNodeAuth()
RAND_bytes(challenge, 8);
if(doVerbose)
{
printf("---> challenge generated(): ");
print_as_hex( challenge, 8 );
fflush(stdout);
}
CalculateSMBNTHash([inPassword UTF8String], hash);
bzero( hash+16, 5);
if(doVerbose)
{
printf("---> hash generated(): ");
print_as_hex( hash, 16 );
fflush(stdout);
}
CalculateP24( hash, challenge, p24 ); // pick a random challenge, can be anything.
if(doVerbose)
{
printf("---> p24 generated(): ");
print_as_hex( p24, 24 );
fflush(stdout);
}
length = strlen( [inUsername UTF8String] );
memcpy( &(step->fBufferData[current]), &length, sizeof(length));
current += sizeof(length);
memcpy( &(step->fBufferData[current]), [inUsername UTF8String], length );
current +=length;
length = 8;
memcpy( &(step->fBufferData[current]), &length, sizeof(length));
current += sizeof(length);
memcpy( &(step->fBufferData[current]), challenge, length);
current +=length;
length = 24;
memcpy( &(step->fBufferData[current]), &length, sizeof(length));
current += sizeof(length);
memcpy( &(step->fBufferData[current]), p24, length);
step->fBufferLength = current + length;
if(doVerbose)
{
printf("---> dsDoDirNodeAuth() ......................... ");
fflush(stdout);
}
status = dsDoDirNodeAuth(userNode, authMethod, 1, step, stepResponse, NULL);
if(doVerbose)
{
[_dsStat printOutErrorMessage:"Status" withStatus:status];
}
printf("Username: if(status == eDSNoErr)
printf("Good");
else
[_dsStat printOutErrorMessage:"Error" withStatus:status];
// Clean up allocated memory
//dsCloseDirNode(userNode); /// don't close since not opened here
[self deallocateDataNode:authMethod];
[self deallocateDataBuffer:step];
[self deallocateDataBuffer:stepResponse];
[pool release];
return (status);
}
@end