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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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