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/* Copyright (c) 2010 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*
* Utility for aiding fuzz testing of kernel image verification code.
*/
#include <stdint.h>
#include <stdio.h>
#include "file_keys.h"
#include "kernel_image.h"
#include "utility.h"
int VerifySignedKernel(const char* image_file,
const char* firmware_key_file) {
int error, error_code = 0;
uint64_t len;
uint8_t* kernel_blob = BufferFromFile(image_file, &len);
uint8_t* firmware_key_blob = BufferFromFile(firmware_key_file, &len);
if (!firmware_key_blob) {
fprintf(stderr, "Couldn't read pre-processed public firmware key.\n");
error_code = 1;
}
if (!error_code && !kernel_blob) {
fprintf(stderr, "Couldn't read kernel image or malformed image.\n");
error_code = 1;
}
if (!error_code && (error = VerifyKernel(firmware_key_blob, kernel_blob,
0))) { /* Trusted Mode. */
fprintf(stderr, "%s\n", VerifyKernelErrorString(error));
error_code = 1;
}
Free(firmware_key_blob);
Free(kernel_blob);
if (error_code)
return 0;
return 1;
}
int main(int argc, char* argv[]) {
if (argc != 3) {
fprintf(stderr, "Usage: %s <image_to_verify> <firmware_keyb>\n", argv[0]);
return -1;
}
if (VerifySignedKernel(argv[1], argv[2])) {
fprintf(stderr, "Verification SUCCESS!\n");
return 0;
}
else {
fprintf(stderr, "Verification FAILURE!\n");
return -1;
}
}
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