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/*
* Copyright (C) 2016 Michael Brown <mbrown@fensystems.co.uk>.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*
* You can also choose to distribute this program under the terms of
* the Unmodified Binary Distribution Licence (as given in the file
* COPYING.UBDL), provided that you have satisfied its requirements.
*/
FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
/** @file
*
* ASN.1 self-tests
*
*/
/* Forcibly enable assertions */
#undef NDEBUG
#include <stdlib.h>
#include <assert.h>
#include <ipxe/image.h>
#include <ipxe/asn1.h>
#include <ipxe/test.h>
#include "asn1_test.h"
/**
* Report ASN.1 test result
*
* @v test ASN.1 test
* @v file Test code file
* @v line Test code line
*/
void asn1_okx ( struct asn1_test *test, const char *file, unsigned int line ) {
struct digest_algorithm *digest = &asn1_test_digest_algorithm;
struct asn1_cursor *cursor;
uint8_t ctx[digest->ctxsize];
uint8_t out[ASN1_TEST_DIGEST_SIZE];
unsigned int i;
size_t offset;
int next;
/* Sanity check */
assert ( sizeof ( out ) == digest->digestsize );
/* Correct image data pointer */
test->image->data = virt_to_user ( ( void * ) test->image->data );
/* Check that image is detected as correct type */
okx ( register_image ( test->image ) == 0, file, line );
okx ( test->image->type == test->type, file, line );
/* Check that all ASN.1 objects can be extracted */
for ( offset = 0, i = 0 ; i < test->count ; offset = next, i++ ) {
/* Extract ASN.1 object */
next = image_asn1 ( test->image, offset, &cursor );
okx ( next >= 0, file, line );
okx ( ( ( size_t ) next ) > offset, file, line );
if ( next > 0 ) {
/* Calculate digest of ASN.1 object */
digest_init ( digest, ctx );
digest_update ( digest, ctx, cursor->data,
cursor->len );
digest_final ( digest, ctx, out );
/* Compare against expected digest */
okx ( memcmp ( out, test->expected[i].digest,
sizeof ( out ) ) == 0, file, line );
/* Free ASN.1 object */
free ( cursor );
}
}
/* Check that we have reached the end of the image */
okx ( offset == test->image->len, file, line );
/* Unregister image */
unregister_image ( test->image );
}
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