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vboot2: load keyblock and preamble from new-style structs

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And associated unit tests.

BUG=chromium:423882
BRANCH=none
TEST=VBOOT2=1 make runtests

Change-Id: I6565d8f5da947b4874a656a61051df1a4ce415c7
Signed-off-by: Randall Spangler <rspangler@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/229163
Reviewed-by: Daisuke Nojiri <dnojiri@chromium.org>
This commit is contained in:
Randall Spangler
2014-11-10 13:40:52 -08:00
committed by chrome-internal-fetch
parent 6ee52d9a92
commit 837b408c92
5 changed files with 638 additions and 0 deletions
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3
Makefile
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@@ -286,6 +286,7 @@ FWLIB2_SRCS = \
firmware/2lib/2common2.c \
firmware/2lib/2crc8.c \
firmware/2lib/2misc.c \
firmware/2lib/2misc2.c \
firmware/2lib/2nvstorage.c \
firmware/2lib/2packed_key.c \
firmware/2lib/2packed_key2.c \
@@ -641,6 +642,7 @@ TEST_NAMES += \
tests/vb2_common3_tests \
tests/vb2_misc_tests \
tests/vb2_misc2_tests \
tests/vb2_misc3_tests \
tests/vb2_nvstorage_tests \
tests/vb2_rsa_padding_tests \
tests/vb2_rsa_utility_tests \
@@ -1177,6 +1179,7 @@ run2tests: test_setup
${RUNTEST} ${BUILD_RUN}/tests/vb2_common3_tests ${TEST_KEYS}
${RUNTEST} ${BUILD_RUN}/tests/vb2_misc_tests
${RUNTEST} ${BUILD_RUN}/tests/vb2_misc2_tests
${RUNTEST} ${BUILD_RUN}/tests/vb2_misc3_tests
${RUNTEST} ${BUILD_RUN}/tests/vb2_nvstorage_tests
${RUNTEST} ${BUILD_RUN}/tests/vb2_rsa_utility_tests
${RUNTEST} ${BUILD_RUN}/tests/vb2_secdata_tests

238
firmware/2lib/2misc2.c Normal file
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@@ -0,0 +1,238 @@
/* Copyright (c) 2014 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.
*
* Misc functions which need access to vb2_context but are not public APIs
*/
#include "2sysincludes.h"
#include "2api.h"
#include "2common.h"
#include "2misc.h"
#include "2nvstorage.h"
#include "2secdata.h"
#include "2sha.h"
#include "2rsa.h"
/**
* Read an object with a common struct header from a verified boot resource.
*
* On success, an object buffer will be allocated in the work buffer, the
* object will be stored into the buffer, and *buf_ptr will point to the
* object.
*
* @param ctx Vboot context
* @param index Resource index to read
* @param offset Byte offset within resource to start at
* @param buf_ptr Destination for object pointer
* @return VB2_SUCCESS, or error code on error.
*/
int vb2_read_resource_object(struct vb2_context *ctx,
enum vb2_resource_index index,
uint32_t offset,
struct vb2_workbuf *wb,
void **buf_ptr)
{
struct vb2_struct_common c;
void *buf;
int rv;
*buf_ptr = NULL;
/* Read the common header */
rv = vb2ex_read_resource(ctx, index, offset, &c, sizeof(c));
if (rv)
return rv;
/* Allocate a buffer for the object, now that we know how big it is */
buf = vb2_workbuf_alloc(wb, c.total_size);
if (!buf)
return VB2_ERROR_READ_RESOURCE_OBJECT_BUF;
/* Read the object */
rv = vb2ex_read_resource(ctx, index, offset, buf, c.total_size);
if (rv) {
vb2_workbuf_free(wb, c.total_size);
return rv;
}
/* Save the pointer */
*buf_ptr = buf;
return VB2_SUCCESS;
}
int vb2_load_fw_keyblock2(struct vb2_context *ctx)
{
struct vb2_shared_data *sd = vb2_get_sd(ctx);
struct vb2_workbuf wb;
uint8_t *key_data;
uint32_t key_size;
struct vb2_packed_key2 *packed_key;
struct vb2_public_key root_key;
struct vb2_keyblock2 *kb;
uint32_t sec_version;
int rv;
vb2_workbuf_from_ctx(ctx, &wb);
/* Read the root key */
key_size = sd->gbb_rootkey_size;
key_data = vb2_workbuf_alloc(&wb, key_size);
if (!key_data)
return VB2_ERROR_FW_KEYBLOCK_WORKBUF_ROOT_KEY;
rv = vb2ex_read_resource(ctx, VB2_RES_GBB, sd->gbb_rootkey_offset,
key_data, key_size);
if (rv)
return rv;
/* Unpack the root key */
rv = vb2_unpack_key2(&root_key, key_data, key_size);
if (rv)
return rv;
/*
* Load the firmware keyblock common header into the work buffer after
* the root key.
*/
rv = vb2_read_resource_object(ctx, VB2_RES_FW_VBLOCK, 0, &wb,
(void **)&kb);
if (rv)
return rv;
/* Verify the keyblock */
rv = vb2_verify_keyblock2(kb, kb->c.total_size, &root_key, &wb);
if (rv)
return rv;
/* Preamble follows the keyblock in the vblock */
sd->vblock_preamble_offset = kb->c.total_size;
/* Read the secure key version */
rv = vb2_secdata_get(ctx, VB2_SECDATA_VERSIONS, &sec_version);
if (rv)
return rv;
packed_key = (struct vb2_packed_key2 *)((uint8_t *)kb + kb->key_offset);
/* Key version is the upper 16 bits of the composite firmware version */
if (packed_key->key_version > 0xffff)
return VB2_ERROR_FW_KEYBLOCK_VERSION_RANGE;
if (packed_key->key_version < (sec_version >> 16))
return VB2_ERROR_FW_KEYBLOCK_VERSION_ROLLBACK;
sd->fw_version = packed_key->key_version << 16;
/*
* Save the data key in the work buffer. This overwrites the root key
* we read above. That's ok, because now that we have the data key we
* no longer need the root key.
*
* Use memmove() instead of memcpy(). In theory, the destination will
* never overlap with the source because the root key is likely to be
* at least as large as the data key, but there's no harm here in being
* paranoid.
*/
memmove(key_data, packed_key, packed_key->c.total_size);
packed_key = (struct vb2_packed_key2 *)key_data;
/* Save the packed key offset and size */
sd->workbuf_data_key_offset = vb2_offset_of(ctx->workbuf, key_data);
sd->workbuf_data_key_size = packed_key->c.total_size;
/* Data key will persist in the workbuf after we return */
ctx->workbuf_used = sd->workbuf_data_key_offset +
sd->workbuf_data_key_size;
return VB2_SUCCESS;
}
int vb2_load_fw_preamble2(struct vb2_context *ctx)
{
struct vb2_shared_data *sd = vb2_get_sd(ctx);
struct vb2_workbuf wb;
uint8_t *key_data = ctx->workbuf + sd->workbuf_data_key_offset;
uint32_t key_size = sd->workbuf_data_key_size;
struct vb2_public_key data_key;
/* Preamble goes in the next unused chunk of work buffer */
struct vb2_fw_preamble2 *pre;
uint32_t sec_version;
int rv;
vb2_workbuf_from_ctx(ctx, &wb);
/* Unpack the firmware data key */
if (!sd->workbuf_data_key_size)
return VB2_ERROR_FW_PREAMBLE2_DATA_KEY;
rv = vb2_unpack_key2(&data_key, key_data, key_size);
if (rv)
return rv;
/* Load the firmware preamble */
rv = vb2_read_resource_object(ctx, VB2_RES_FW_VBLOCK,
sd->vblock_preamble_offset, &wb,
(void **)&pre);
if (rv)
return rv;
/* Work buffer now contains the data subkey data and the preamble */
/* Verify the preamble */
rv = vb2_verify_fw_preamble2(pre, pre->c.total_size, &data_key, &wb);
if (rv)
return rv;
/* Move the preamble down now that the data key is no longer used */
memmove(key_data, pre, pre->c.total_size);
pre = (struct vb2_fw_preamble2 *)key_data;
/* Data key is now gone */
sd->workbuf_data_key_offset = sd->workbuf_data_key_size = 0;
/* Read the secure key version */
rv = vb2_secdata_get(ctx, VB2_SECDATA_VERSIONS, &sec_version);
if (rv)
return rv;
/*
* Firmware version is the lower 16 bits of the composite firmware
* version.
*/
if (pre->firmware_version > 0xffff)
return VB2_ERROR_FW_PREAMBLE2_VERSION_RANGE;
/* Combine with the key version from vb2_load_fw_keyblock() */
sd->fw_version |= pre->firmware_version;
if (sd->fw_version < sec_version)
return VB2_ERROR_FW_PREAMBLE2_VERSION_ROLLBACK;
/*
* If this is a newer version than in secure storage, and we
* successfully booted the same slot last boot, roll forward the
* version in secure storage.
*/
if (sd->fw_version > sec_version &&
sd->last_fw_slot == sd->fw_slot &&
sd->last_fw_result == VB2_FW_RESULT_SUCCESS) {
rv = vb2_secdata_set(ctx, VB2_SECDATA_VERSIONS, sd->fw_version);
if (rv)
return rv;
}
/* Keep track of where we put the preamble */
sd->workbuf_preamble_offset = vb2_offset_of(ctx->workbuf, pre);
sd->workbuf_preamble_size = pre->c.total_size;
/* Preamble will persist in work buffer after we return */
ctx->workbuf_used = sd->workbuf_preamble_offset +
sd->workbuf_preamble_size;
return VB2_SUCCESS;
}

10
firmware/2lib/include/2misc.h
View File

@@ -130,6 +130,11 @@ int vb2_select_fw_slot(struct vb2_context *ctx);
*/
int vb2_load_fw_keyblock(struct vb2_context *ctx);
/**
* (same, for new-style structs)
*/
int vb2_load_fw_keyblock2(struct vb2_context *ctx);
/**
* Verify the firmware preamble using the data subkey from the keyblock.
*
@@ -140,4 +145,9 @@ int vb2_load_fw_keyblock(struct vb2_context *ctx);
*/
int vb2_load_fw_preamble(struct vb2_context *ctx);
/**
* (same, for new-style structs)
*/
int vb2_load_fw_preamble2(struct vb2_context *ctx);
#endif /* VBOOT_REFERENCE_VBOOT_2MISC_H_ */

3
firmware/2lib/include/2return_codes.h
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@@ -364,6 +364,9 @@ enum vb2_return_code {
/* Firmware version rollback in vb2_load_fw_preamble() */
VB2_ERROR_FW_PREAMBLE2_VERSION_ROLLBACK,
/* Not enough space in work buffer for resource object */
VB2_ERROR_READ_RESOURCE_OBJECT_BUF,
/**********************************************************************
* API-level errors
*/

384
tests/vb2_misc3_tests.c Normal file
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@@ -0,0 +1,384 @@
/* Copyright (c) 2014 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.
*
* Tests for misc library, new-style structs
*/
#include <stdio.h>
#include "2sysincludes.h"
#include "2api.h"
#include "2common.h"
#include "2misc.h"
#include "2nvstorage.h"
#include "2secdata.h"
#include "test_common.h"
/* Common context for tests */
static uint8_t workbuf[VB2_WORKBUF_RECOMMENDED_SIZE]
__attribute__ ((aligned (16)));
static struct vb2_context ctx;
static struct vb2_shared_data *sd;
/* Mocked function data */
static struct {
struct vb2_gbb_header h;
struct vb2_packed_key2 rootkey;
char rootkey_data[32];
} mock_gbb;
static struct {
/* Keyblock */
struct {
struct vb2_keyblock2 kb;
struct vb2_packed_key2 data_key;
char data_key_data[16];
uint8_t kbdata[128];
} k;
/* Preamble follows keyblock */
struct {
struct vb2_fw_preamble2 pre;
uint8_t predata[128];
} p;
} mock_vblock;
static int mock_read_res_fail_on_call;
static int mock_unpack_key_retval;
static int mock_verify_keyblock_retval;
static int mock_verify_preamble_retval;
/* Type of test to reset for */
enum reset_type {
FOR_KEYBLOCK,
FOR_PREAMBLE
};
static void reset_common_data(enum reset_type t)
{
struct vb2_keyblock2 *kb = &mock_vblock.k.kb;
struct vb2_packed_key2 *dk = &mock_vblock.k.data_key;
struct vb2_fw_preamble2 *pre = &mock_vblock.p.pre;
memset(workbuf, 0xaa, sizeof(workbuf));
memset(&ctx, 0, sizeof(ctx));
ctx.workbuf = workbuf;
ctx.workbuf_size = sizeof(workbuf);
vb2_init_context(&ctx);
sd = vb2_get_sd(&ctx);
vb2_nv_init(&ctx);
vb2_secdata_create(&ctx);
vb2_secdata_init(&ctx);
mock_read_res_fail_on_call = 0;
mock_unpack_key_retval = VB2_SUCCESS;
mock_verify_keyblock_retval = VB2_SUCCESS;
mock_verify_preamble_retval = VB2_SUCCESS;
/* Set up mock data for verifying keyblock */
vb2_secdata_set(&ctx, VB2_SECDATA_VERSIONS, 0x20002);
sd->gbb_rootkey_offset = vb2_offset_of(&mock_gbb, &mock_gbb.rootkey);
sd->gbb_rootkey_size = sizeof(mock_gbb.rootkey_data);
sd->last_fw_result = VB2_FW_RESULT_SUCCESS;
mock_gbb.rootkey.sig_alg = VB2_SIG_RSA8192;
mock_gbb.rootkey.key_offset =
vb2_offset_of(&mock_gbb.rootkey,
&mock_gbb.rootkey_data);
mock_gbb.rootkey.key_size = sizeof(mock_gbb.rootkey_data);
kb->c.total_size = sizeof(mock_vblock.k);
kb->key_offset = vb2_offset_of(&mock_vblock.k.kb,
&mock_vblock.k.data_key);
dk->c.fixed_size = sizeof(mock_vblock.k.data_key);
dk->sig_alg = VB2_SIG_RSA4096;
dk->key_version = 2;
dk->key_offset = dk->c.fixed_size;
dk->key_size = sizeof(mock_vblock.k.data_key_data);
dk->c.total_size = dk->key_offset + dk->key_size;
strcpy(mock_vblock.k.data_key_data, "data key data!!");
pre->c.total_size = sizeof(mock_vblock.p);
pre->firmware_version = 2;
/* If verifying preamble, verify keyblock first to set up data key */
if (t == FOR_PREAMBLE)
vb2_load_fw_keyblock2(&ctx);
};
/* Mocked functions */
int vb2ex_read_resource(struct vb2_context *ctx,
enum vb2_resource_index index,
uint32_t offset,
void *buf,
uint32_t size)
{
uint8_t *rptr;
uint32_t rsize;
if (--mock_read_res_fail_on_call == 0)
return VB2_ERROR_EX_READ_RESOURCE_INDEX;
switch(index) {
case VB2_RES_GBB:
rptr = (uint8_t *)&mock_gbb;
rsize = sizeof(mock_gbb);
break;
case VB2_RES_FW_VBLOCK:
rptr = (uint8_t *)&mock_vblock;
rsize = sizeof(mock_vblock);
break;
default:
return VB2_ERROR_EX_READ_RESOURCE_INDEX;
}
if (offset > rsize || offset + size > rsize)
return VB2_ERROR_EX_READ_RESOURCE_SIZE;
memcpy(buf, rptr + offset, size);
return VB2_SUCCESS;
}
int vb2_unpack_key2(struct vb2_public_key *key,
const uint8_t *buf,
uint32_t size)
{
return mock_unpack_key_retval;
}
int vb2_verify_keyblock2(struct vb2_keyblock2 *block,
uint32_t size,
const struct vb2_public_key *key,
const struct vb2_workbuf *wb)
{
return mock_verify_keyblock_retval;
}
int vb2_verify_fw_preamble2(struct vb2_fw_preamble2 *preamble,
uint32_t size,
const struct vb2_public_key *key,
const struct vb2_workbuf *wb)
{
return mock_verify_preamble_retval;
}
/* Tests */
static void load_keyblock_tests(void)
{
struct vb2_keyblock2 *kb = &mock_vblock.k.kb;
struct vb2_packed_key2 *dk = &mock_vblock.k.data_key;
struct vb2_packed_key2 *k;
int wb_used_before;
/* Test successful call */
reset_common_data(FOR_KEYBLOCK);
wb_used_before = ctx.workbuf_used;
TEST_SUCC(vb2_load_fw_keyblock2(&ctx), "keyblock verify");
TEST_EQ(sd->fw_version, 0x20000, "keyblock version");
TEST_EQ(sd->vblock_preamble_offset, sizeof(mock_vblock.k),
"preamble offset");
TEST_EQ(sd->workbuf_data_key_offset,
(wb_used_before + (VB2_WORKBUF_ALIGN - 1)) &
~(VB2_WORKBUF_ALIGN - 1),
"keyblock data key offset");
TEST_EQ(ctx.workbuf_used,
sd->workbuf_data_key_offset + sd->workbuf_data_key_size,
"workbuf used");
/* Make sure data key was properly saved */
k = (struct vb2_packed_key2 *)(ctx.workbuf +
sd->workbuf_data_key_offset);
TEST_EQ(k->sig_alg, VB2_SIG_RSA4096, "data key algorithm");
TEST_EQ(k->key_version, 2, "data key version");
TEST_EQ(k->key_size, sizeof(mock_vblock.k.data_key_data),
"data key size");
TEST_EQ(memcmp(ctx.workbuf + sd->workbuf_data_key_offset +
k->key_offset, mock_vblock.k.data_key_data,
sizeof(mock_vblock.k.data_key_data)),
0, "data key data");
TEST_EQ(ctx.workbuf_used,
sd->workbuf_data_key_offset + sd->workbuf_data_key_size,
"workbuf used after");
/* Test failures */
reset_common_data(FOR_KEYBLOCK);
ctx.workbuf_used = ctx.workbuf_size - sd->gbb_rootkey_size + 8;
TEST_EQ(vb2_load_fw_keyblock2(&ctx),
VB2_ERROR_FW_KEYBLOCK_WORKBUF_ROOT_KEY,
"keyblock not enough workbuf for root key");
reset_common_data(FOR_KEYBLOCK);
sd->gbb_rootkey_size = sizeof(mock_gbb);
TEST_EQ(vb2_load_fw_keyblock2(&ctx),
VB2_ERROR_EX_READ_RESOURCE_SIZE,
"keyblock read root key");
reset_common_data(FOR_KEYBLOCK);
mock_unpack_key_retval = VB2_ERROR_UNPACK_KEY_SIG_ALGORITHM;
TEST_EQ(vb2_load_fw_keyblock2(&ctx),
VB2_ERROR_UNPACK_KEY_SIG_ALGORITHM,
"keyblock unpack root key");
reset_common_data(FOR_KEYBLOCK);
ctx.workbuf_used = ctx.workbuf_size - sd->gbb_rootkey_size - 8;
TEST_EQ(vb2_load_fw_keyblock2(&ctx),
VB2_ERROR_READ_RESOURCE_OBJECT_BUF,
"keyblock not enough workbuf for header");
reset_common_data(FOR_KEYBLOCK);
mock_read_res_fail_on_call = 2;
TEST_EQ(vb2_load_fw_keyblock2(&ctx),
VB2_ERROR_EX_READ_RESOURCE_INDEX,
"keyblock read keyblock header");
reset_common_data(FOR_KEYBLOCK);
ctx.workbuf_used = ctx.workbuf_size - sd->gbb_rootkey_size
- sizeof(struct vb2_keyblock);
TEST_EQ(vb2_load_fw_keyblock2(&ctx),
VB2_ERROR_READ_RESOURCE_OBJECT_BUF,
"keyblock not enough workbuf for entire keyblock");
reset_common_data(FOR_KEYBLOCK);
kb->c.total_size = sizeof(mock_vblock) + 1;
TEST_EQ(vb2_load_fw_keyblock2(&ctx),
VB2_ERROR_EX_READ_RESOURCE_SIZE,
"keyblock read keyblock");
reset_common_data(FOR_KEYBLOCK);
mock_verify_keyblock_retval = VB2_ERROR_KEYBLOCK_MAGIC;
TEST_EQ(vb2_load_fw_keyblock2(&ctx),
VB2_ERROR_KEYBLOCK_MAGIC,
"keyblock verify keyblock");
reset_common_data(FOR_KEYBLOCK);
dk->key_version = 0x10000;
TEST_EQ(vb2_load_fw_keyblock2(&ctx),
VB2_ERROR_FW_KEYBLOCK_VERSION_RANGE,
"keyblock version range");
reset_common_data(FOR_KEYBLOCK);
dk->key_version = 1;
TEST_EQ(vb2_load_fw_keyblock2(&ctx),
VB2_ERROR_FW_KEYBLOCK_VERSION_ROLLBACK,
"keyblock rollback");
}
static void load_preamble_tests(void)
{
struct vb2_fw_preamble2 *pre = &mock_vblock.p.pre;
int data_key_offset_before;
uint32_t v;
/* Test successful call */
reset_common_data(FOR_PREAMBLE);
data_key_offset_before = sd->workbuf_data_key_offset;
TEST_SUCC(vb2_load_fw_preamble2(&ctx), "preamble good");
TEST_EQ(sd->fw_version, 0x20002, "combined version");
TEST_EQ(sd->workbuf_preamble_offset, data_key_offset_before,
"preamble offset");
TEST_EQ(sd->workbuf_preamble_size, pre->c.total_size, "preamble size");
TEST_EQ(ctx.workbuf_used,
sd->workbuf_preamble_offset + sd->workbuf_preamble_size,
"workbuf used");
TEST_EQ(sd->workbuf_data_key_offset, 0, "data key offset gone");
TEST_EQ(sd->workbuf_data_key_size, 0, "data key size gone");
/* Expected failures */
reset_common_data(FOR_PREAMBLE);
sd->workbuf_data_key_size = 0;
TEST_EQ(vb2_load_fw_preamble2(&ctx),
VB2_ERROR_FW_PREAMBLE2_DATA_KEY,
"preamble no data key");
reset_common_data(FOR_PREAMBLE);
mock_unpack_key_retval = VB2_ERROR_UNPACK_KEY_HASH_ALGORITHM;
TEST_EQ(vb2_load_fw_preamble2(&ctx),
VB2_ERROR_UNPACK_KEY_HASH_ALGORITHM,
"preamble unpack data key");
reset_common_data(FOR_PREAMBLE);
ctx.workbuf_used = ctx.workbuf_size
- sizeof(struct vb2_fw_preamble) + 8;
TEST_EQ(vb2_load_fw_preamble2(&ctx),
VB2_ERROR_READ_RESOURCE_OBJECT_BUF,
"preamble not enough workbuf for header");
reset_common_data(FOR_PREAMBLE);
sd->vblock_preamble_offset = sizeof(mock_vblock);
TEST_EQ(vb2_load_fw_preamble2(&ctx),
VB2_ERROR_EX_READ_RESOURCE_SIZE,
"preamble read header");
reset_common_data(FOR_PREAMBLE);
ctx.workbuf_used = ctx.workbuf_size - sizeof(mock_vblock.p) + 8;
TEST_EQ(vb2_load_fw_preamble2(&ctx),
VB2_ERROR_READ_RESOURCE_OBJECT_BUF,
"preamble not enough workbuf");
reset_common_data(FOR_PREAMBLE);
pre->c.total_size = sizeof(mock_vblock);
TEST_EQ(vb2_load_fw_preamble2(&ctx),
VB2_ERROR_EX_READ_RESOURCE_SIZE,
"preamble read full");
reset_common_data(FOR_PREAMBLE);
mock_verify_preamble_retval = VB2_ERROR_PREAMBLE_SIG_INVALID;
TEST_EQ(vb2_load_fw_preamble2(&ctx),
VB2_ERROR_PREAMBLE_SIG_INVALID,
"preamble verify");
reset_common_data(FOR_PREAMBLE);
pre->firmware_version = 0x10000;
TEST_EQ(vb2_load_fw_preamble2(&ctx),
VB2_ERROR_FW_PREAMBLE2_VERSION_RANGE,
"preamble version range");
reset_common_data(FOR_PREAMBLE);
pre->firmware_version = 1;
TEST_EQ(vb2_load_fw_preamble2(&ctx),
VB2_ERROR_FW_PREAMBLE2_VERSION_ROLLBACK,
"preamble version rollback");
reset_common_data(FOR_PREAMBLE);
pre->firmware_version = 3;
TEST_SUCC(vb2_load_fw_preamble2(&ctx),
"preamble version roll forward");
vb2_secdata_get(&ctx, VB2_SECDATA_VERSIONS, &v);
TEST_EQ(v, 0x20003, "roll forward");
/* Newer version without result success doesn't roll forward */
reset_common_data(FOR_PREAMBLE);
pre->firmware_version = 3;
sd->last_fw_result = VB2_FW_RESULT_UNKNOWN;
TEST_SUCC(vb2_load_fw_preamble2(&ctx),
"preamble version no roll forward 1");
vb2_secdata_get(&ctx, VB2_SECDATA_VERSIONS, &v);
TEST_EQ(v, 0x20002, "no roll forward");
/* Newer version with success but for other slot doesn't roll forward */
reset_common_data(FOR_PREAMBLE);
pre->firmware_version = 3;
sd->last_fw_slot = 1;
TEST_SUCC(vb2_load_fw_preamble2(&ctx),
"preamble version no roll forward 2");
vb2_secdata_get(&ctx, VB2_SECDATA_VERSIONS, &v);
TEST_EQ(v, 0x20002, "no roll forward");
}
int main(int argc, char* argv[])
{
load_keyblock_tests();
load_preamble_tests();
return gTestSuccess ? 0 : 255;
}