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