/* Copyright (c) 2014 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*
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* Tests for firmware secure storage library.
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*/
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "test_common.h"
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#include "vboot_common.h"
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#include "2common.h"
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#include "2api.h"
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#include "2misc.h"
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#include "2secdata.h"
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static void test_changed(struct vb2_context *ctx, int changed, const char *why)
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{
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if (changed)
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TEST_NEQ(ctx->flags & VB2_CONTEXT_SECDATA_CHANGED, 0, why);
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else
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TEST_EQ(ctx->flags & VB2_CONTEXT_SECDATA_CHANGED, 0, why);
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ctx->flags &= ~VB2_CONTEXT_SECDATA_CHANGED;
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};
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static void secdata_test(void)
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{
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uint8_t workbuf[VB2_WORKBUF_RECOMMENDED_SIZE]
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__attribute__ ((aligned (VB2_WORKBUF_ALIGN)));
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struct vb2_context c = {
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.flags = 0,
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.workbuf = workbuf,
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.workbuf_size = sizeof(workbuf),
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};
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uint32_t v = 1;
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/* Blank data is invalid */
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memset(c.secdata, 0xa6, sizeof(c.secdata));
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TEST_EQ(vb2_secdata_check_crc(&c),
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VB2_ERROR_SECDATA_CRC, "Check blank CRC");
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TEST_EQ(vb2_secdata_init(&c),
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VB2_ERROR_SECDATA_CRC, "Init blank CRC");
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/* Create good data */
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TEST_SUCC(vb2_secdata_create(&c), "Create");
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TEST_SUCC(vb2_secdata_check_crc(&c), "Check created CRC");
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TEST_SUCC(vb2_secdata_init(&c), "Init created CRC");
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test_changed(&c, 1, "Create changes data");
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/* Now corrupt it */
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c.secdata[2]++;
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TEST_EQ(vb2_secdata_check_crc(&c),
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VB2_ERROR_SECDATA_CRC, "Check invalid CRC");
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TEST_EQ(vb2_secdata_init(&c),
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VB2_ERROR_SECDATA_CRC, "Init invalid CRC");
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vb2_secdata_create(&c);
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c.flags = 0;
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/* Read/write flags */
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TEST_SUCC(vb2_secdata_get(&c, VB2_SECDATA_FLAGS, &v), "Get flags");
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TEST_EQ(v, 0, "Flags created 0");
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test_changed(&c, 0, "Get doesn't change data");
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TEST_SUCC(vb2_secdata_set(&c, VB2_SECDATA_FLAGS, 0x12), "Set flags");
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test_changed(&c, 1, "Set changes data");
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TEST_SUCC(vb2_secdata_set(&c, VB2_SECDATA_FLAGS, 0x12), "Set flags 2");
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test_changed(&c, 0, "Set again doesn't change data");
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TEST_SUCC(vb2_secdata_get(&c, VB2_SECDATA_FLAGS, &v), "Get flags 2");
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TEST_EQ(v, 0x12, "Flags changed");
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TEST_EQ(vb2_secdata_set(&c, VB2_SECDATA_FLAGS, 0x100),
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VB2_ERROR_SECDATA_SET_FLAGS, "Bad flags");
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/* Read/write versions */
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TEST_SUCC(vb2_secdata_get(&c, VB2_SECDATA_VERSIONS, &v),
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"Get versions");
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TEST_EQ(v, 0, "Versions created 0");
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test_changed(&c, 0, "Get doesn't change data");
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TEST_SUCC(vb2_secdata_set(&c, VB2_SECDATA_VERSIONS, 0x123456ff),
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"Set versions");
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test_changed(&c, 1, "Set changes data");
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TEST_SUCC(vb2_secdata_set(&c, VB2_SECDATA_VERSIONS, 0x123456ff),
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"Set versions 2");
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test_changed(&c, 0, "Set again doesn't change data");
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TEST_SUCC(vb2_secdata_get(&c, VB2_SECDATA_VERSIONS, &v),
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"Get versions 2");
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TEST_EQ(v, 0x123456ff, "Versions changed");
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/* Invalid field fails */
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TEST_EQ(vb2_secdata_get(&c, -1, &v),
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VB2_ERROR_SECDATA_GET_PARAM, "Get invalid");
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TEST_EQ(vb2_secdata_set(&c, -1, 456),
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VB2_ERROR_SECDATA_SET_PARAM, "Set invalid");
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test_changed(&c, 0, "Set invalid field doesn't change data");
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/* Read/write uninitialized data fails */
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vb2_get_sd(&c)->status &= ~VB2_SD_STATUS_SECDATA_INIT;
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TEST_EQ(vb2_secdata_get(&c, VB2_SECDATA_VERSIONS, &v),
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VB2_ERROR_SECDATA_GET_UNINITIALIZED, "Get uninitialized");
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test_changed(&c, 0, "Get uninitialized doesn't change data");
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TEST_EQ(vb2_secdata_set(&c, VB2_SECDATA_VERSIONS, 0x123456ff),
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VB2_ERROR_SECDATA_SET_UNINITIALIZED, "Set uninitialized");
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test_changed(&c, 0, "Set uninitialized doesn't change data");
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}
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int main(int argc, char* argv[])
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{
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secdata_test();
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return gTestSuccess ? 0 : 255;
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}
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