/* Copyright 2013 The ChromiumOS Authors
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 *
 * Tests for vboot_api_kernel, part 3 - software sync
 */

#include "2common.h"
#include "2misc.h"
#include "2nvstorage.h"
#include "2secdata.h"
#include "2sysincludes.h"
#include "common/tests.h"
#include "host_common.h"
#include "vboot_struct.h"

/* Mock data */
static int ec_ro_updated;
static int ec_rw_updated;
static int ec_rw_protected;
static int ec_run_image;  /* 0 = RO, 1 = RW */

static vb2_error_t in_rw_retval;
static int protect_retval;
static int jump_retval;
static int update_retval;
static int get_expected_retval;
static int shutdown_request_calls_left;
static vb2_error_t ec_vboot_done_retval;
static int ec_vboot_done_calls;

static int mock_display_available;
static int need_display_called;
static uint8_t mock_ec_ro_hash[32];
static uint8_t mock_ec_rw_hash[32];
static uint8_t hmir[32];
static int mock_ec_ro_hash_size;
static int mock_ec_rw_hash_size;
static uint8_t hexp[32];
static uint8_t update_hash;
static int hexp_size;
static uint8_t workbuf[VB2_KERNEL_WORKBUF_RECOMMENDED_SIZE]
	__attribute__((aligned(VB2_WORKBUF_ALIGN)));
static struct vb2_context *ctx;
static struct vb2_shared_data *sd;
static struct vb2_gbb_header gbb;

/* Reset mock data (for use before each test) */
static void ResetMocks(void)
{
	TEST_SUCC(vb2api_init(workbuf, sizeof(workbuf), &ctx),
		  "vb2api_init passed");

	ctx->flags = VB2_CONTEXT_EC_SYNC_SUPPORTED;
	vb2_nv_init(ctx);

	sd = vb2_get_sd(ctx);

	memset(&gbb, 0, sizeof(gbb));

	mock_display_available = 1;
	need_display_called = 0;

	ec_ro_updated = 0;
	ec_rw_updated = 0;
	ec_rw_protected = 0;
	ec_run_image = 0;

	in_rw_retval = VB2_SUCCESS;
	protect_retval = VB2_SUCCESS;
	update_retval = VB2_SUCCESS;
	jump_retval = VB2_SUCCESS;
	get_expected_retval = VB2_SUCCESS;
	shutdown_request_calls_left = -1;
	ec_vboot_done_retval = VB2_SUCCESS;
	ec_vboot_done_calls = 0;

	memset(mock_ec_ro_hash, 0, sizeof(mock_ec_ro_hash));
	mock_ec_ro_hash[0] = 42;
	mock_ec_ro_hash_size = sizeof(mock_ec_ro_hash);

	memset(mock_ec_rw_hash, 0, sizeof(mock_ec_rw_hash));
	mock_ec_rw_hash[0] = 42;
	mock_ec_rw_hash_size = sizeof(mock_ec_rw_hash);

	memset(hexp, 0, sizeof(hexp));
	hexp[0] = 42;
	hexp_size = sizeof(hexp);

	update_hash = 42;

	vb2api_secdata_kernel_create(ctx);
	vb2_secdata_kernel_init(ctx);

	memset(hmir, 0, sizeof(hmir));
	hmir[0] = 42;
	vb2_secdata_kernel_set_ec_hash(ctx, hmir);

	/*
	 * This flag should not involve in the steps deciding whether EC is
	 * running RW. The only concern here is we need to clear this flag after
	 * attempting a jump to RW.
	 */
	ctx->flags |= VB2_CONTEXT_EC_TRUSTED;
}

/* Mock functions */
struct vb2_gbb_header *vb2_get_gbb(struct vb2_context *c)
{
	return &gbb;
}

int vb2api_need_reboot_for_display(struct vb2_context *c)
{
	need_display_called = 1;
	return !mock_display_available;
}

vb2_error_t vb2ex_ec_running_rw(int *in_rw)
{
	*in_rw = ec_run_image;
	return in_rw_retval;
}

vb2_error_t vb2ex_ec_protect(void)
{
	if (protect_retval)
		return protect_retval;

	ec_rw_protected = 1;

	return VB2_SUCCESS;
}

vb2_error_t vb2ex_ec_disable_jump(void)
{
	return VB2_SUCCESS;
}

vb2_error_t vb2ex_ec_jump_to_rw(void)
{
	if (jump_retval == VB2_SUCCESS)
		ec_run_image = 1;

	return jump_retval;
}

vb2_error_t vb2ex_ec_hash_image(enum vb2_firmware_selection select,
				const uint8_t **hash, int *hash_size)
{
	*hash = select == VB_SELECT_FIRMWARE_READONLY ?
		mock_ec_ro_hash : mock_ec_rw_hash;
	*hash_size = select == VB_SELECT_FIRMWARE_READONLY ?
		     mock_ec_ro_hash_size : mock_ec_rw_hash_size;
	return *hash_size ? VB2_SUCCESS : VB2_ERROR_MOCK;
}

vb2_error_t vb2ex_ec_get_expected_image_hash(enum vb2_firmware_selection select,
					     const uint8_t **hash, int *hash_size)
{
	*hash = hexp;
	*hash_size = hexp_size;

	return hexp_size ? VB2_SUCCESS : VB2_ERROR_MOCK;
}

vb2_error_t vb2ex_ec_update_image(enum vb2_firmware_selection select)
{
	if (update_retval)
		return update_retval;

	if (ctx->flags & VB2_CONTEXT_EC_SYNC_SLOW)
		if (vb2api_need_reboot_for_display(ctx))
			return VB2_REQUEST_REBOOT;

	if (select == VB_SELECT_FIRMWARE_READONLY) {
		ec_ro_updated = 1;
		mock_ec_ro_hash[0] = update_hash;
	 } else {
		ec_rw_updated = 1;
		mock_ec_rw_hash[0] = update_hash;
	}
	return VB2_SUCCESS;
}

vb2_error_t vb2ex_ec_vboot_done(struct vb2_context *c)
{
	ec_vboot_done_calls++;
	return ec_vboot_done_retval;
}

static void test_ssync(vb2_error_t retval, int recovery_reason,
		       const char *desc)
{
	TEST_EQ(vb2api_ec_sync(ctx), retval, desc);
	TEST_EQ(vb2_nv_get(ctx, VB2_NV_RECOVERY_REQUEST),
		recovery_reason, "  recovery reason");
	struct vb2_secdata_kernel_v1 *sec = (void *)ctx->secdata_kernel;
	if (sec->struct_version >= VB2_SECDATA_KERNEL_VERSION_V10) {
		const uint8_t *hash = vb2_secdata_kernel_get_ec_hash(ctx);
		TEST_EQ(memcmp(hash, hexp, sizeof(hexp)), 0, "Hmir synced");
	}
}

/* Tests */

static void VbSoftwareSyncTest(void)
{
	/* Check flag toggling */
	ResetMocks();
	test_ssync(VB2_SUCCESS, 0, "Normal (no) sync");
	TEST_NEQ(sd->status & VB2_SD_STATUS_EC_SYNC_COMPLETE, 0,
		 "  EC sync complete");
	TEST_EQ(ec_ro_updated, 0, "  ec ro updated");
	TEST_EQ(ec_rw_updated, 0, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 1, "  ec rw protected");
	TEST_EQ(ec_run_image, 1, "  ec run image");
	TEST_EQ(ec_vboot_done_calls, 1, "ec_vboot_done calls");
	/* Sync again to check ec_vboot_done */
	test_ssync(VB2_SUCCESS, 0, "Normal sync");
	TEST_EQ(ec_vboot_done_calls, 1, "ec_vboot_done calls");

	ResetMocks();
	sd->status |= VB2_SD_STATUS_EC_SYNC_COMPLETE;
	test_ssync(VB2_SUCCESS, 0, "EC sync already complete");
	TEST_EQ(ec_ro_updated, 0, "  ec ro updated");
	TEST_EQ(ec_rw_updated, 0, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 0, "  ec rw protected");
	TEST_EQ(ec_run_image, 0, "  ec run image");
	TEST_EQ(ec_vboot_done_calls, 0, "ec_vboot_done calls");

	ResetMocks();
	ctx->flags &= ~VB2_CONTEXT_EC_SYNC_SUPPORTED;
	test_ssync(VB2_SUCCESS, 0, "EC sync not supported");
	TEST_NEQ(sd->status & VB2_SD_STATUS_EC_SYNC_COMPLETE, 0,
		 "  EC sync complete");
	TEST_EQ(ec_ro_updated, 0, "  ec ro updated");
	TEST_EQ(ec_rw_updated, 0, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 0, "  ec rw protected");
	TEST_EQ(ec_run_image, 0, "  ec run image");
	TEST_EQ(ec_vboot_done_calls, 1, "ec_vboot_done calls");

	ResetMocks();
	gbb.flags |= VB2_GBB_FLAG_DISABLE_EC_SOFTWARE_SYNC;
	test_ssync(VB2_SUCCESS, 0, "EC sync disabled by GBB");
	TEST_NEQ(sd->status & VB2_SD_STATUS_EC_SYNC_COMPLETE, 0,
		 "  EC sync complete");
	TEST_EQ(ec_ro_updated, 0, "  ec ro updated");
	TEST_EQ(ec_rw_updated, 0, "  ec rw updated");;
	TEST_EQ(ec_rw_protected, 0, "  ec rw protected");
	TEST_EQ(ec_run_image, 0, "  ec run image");
	TEST_EQ(ec_vboot_done_calls, 1, "ec_vboot_done calls");

	/* AP-RO cases */
	ResetMocks();
	in_rw_retval = VB2_ERROR_MOCK;
	test_ssync(VB2_REQUEST_REBOOT_EC_TO_RO,
		   VB2_RECOVERY_EC_UNKNOWN_IMAGE, "Unknown EC image");
	TEST_EQ(ec_ro_updated, 0, "  ec ro updated");
	TEST_EQ(ec_rw_updated, 0, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 0, "  ec rw protected");
	TEST_EQ(ec_run_image, 0, "  ec run image");

	/* Calculate hashes */
	ResetMocks();
	mock_ec_rw_hash_size = 0;
	test_ssync(VB2_REQUEST_REBOOT_EC_TO_RO,
		   VB2_RECOVERY_EC_HASH_FAILED, "Bad EC hash");
	TEST_EQ(ec_ro_updated, 0, "  ec ro updated");
	TEST_EQ(ec_rw_updated, 0, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 0, "  ec rw protected");
	TEST_EQ(ec_run_image, 0, "  ec run image");

	ResetMocks();
	mock_ec_rw_hash_size = 16;
	test_ssync(VB2_REQUEST_REBOOT_EC_TO_RO,
		   VB2_RECOVERY_EC_HASH_SIZE, "Bad EC hash size");
	TEST_EQ(ec_ro_updated, 0, "  ec ro updated");
	TEST_EQ(ec_rw_updated, 0, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 0, "  ec rw protected");
	TEST_EQ(ec_run_image, 0, "  ec run image");

	ResetMocks();
	hexp_size = 0;
	test_ssync(VB2_REQUEST_REBOOT_EC_TO_RO,
		   VB2_RECOVERY_EC_EXPECTED_HASH, "Bad precalculated hash");
	TEST_EQ(ec_ro_updated, 0, "  ec ro updated");
	TEST_EQ(ec_rw_updated, 0, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 0, "  ec rw protected");
	TEST_EQ(ec_run_image, 0, "  ec run image");

	ResetMocks();
	hexp_size = 16;
	test_ssync(VB2_REQUEST_REBOOT_EC_TO_RO,
		   VB2_RECOVERY_EC_HASH_SIZE,
		   "Hash size mismatch");
	TEST_EQ(ec_ro_updated, 0, "  ec ro updated");
	TEST_EQ(ec_rw_updated, 0, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 0, "  ec rw protected");
	TEST_EQ(ec_run_image, 0, "  ec run image");

	ResetMocks();
	hexp_size = 4;
	mock_ec_rw_hash_size = 4;
	test_ssync(VB2_REQUEST_REBOOT_EC_TO_RO, VB2_RECOVERY_EC_HASH_SIZE,
		   "Custom hash size secdata_kernel v1");
	TEST_EQ(ec_ro_updated, 0, "  ec ro updated");
	TEST_EQ(ec_rw_updated, 0, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 0, "  ec rw protected");
	TEST_EQ(ec_run_image, 0, "  ec run image");

	ResetMocks();
	vb2api_secdata_kernel_create_v0(ctx);
	vb2_secdata_kernel_init(ctx);
	hexp_size = 4;
	mock_ec_rw_hash_size = 4;
	test_ssync(0, 0, "Custom hash size secdata_kernel v0");
	TEST_EQ(ec_ro_updated, 0, "  ec ro updated");
	TEST_EQ(ec_rw_updated, 0, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 1, "  ec rw protected");
	TEST_EQ(ec_run_image, 1, "  ec run image");

	/* Updates required */
	ResetMocks();
	ec_run_image = 1;
	mock_ec_rw_hash[0]++;
	test_ssync(VB2_REQUEST_REBOOT_EC_TO_RO,
		   0, "Pending update needs reboot");
	TEST_EQ(ec_ro_updated, 0, "  ec ro updated");
	TEST_EQ(ec_rw_updated, 0, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 0, "  ec rw protected");
	TEST_EQ(ec_run_image, 1, "  ec run image");

	/* Hexp != Hmir == Heff */
	ResetMocks();
	hmir[0] = 43;
	vb2_secdata_kernel_set_ec_hash(ctx, hmir);
	ec_run_image = 1;
	mock_ec_rw_hash[0] = 43;
	test_ssync(VB2_REQUEST_REBOOT_EC_TO_RO,
		   0, "Reboot after synching Hmir");
	TEST_EQ(ec_ro_updated, 0, "  ec ro updated");
	TEST_EQ(ec_rw_updated, 0, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 0, "  ec rw protected");
	TEST_EQ(ec_run_image, 1, "  ec run image");

	/* Hexp != Hmir == Heff (display not available) */
	ResetMocks();
	hmir[0] = 43;
	vb2_secdata_kernel_set_ec_hash(ctx, hmir);
	ec_run_image = 1;
	mock_ec_rw_hash[0] = 43;
	mock_display_available = 0;
	ctx->flags |= VB2_CONTEXT_EC_SYNC_SLOW;
	test_ssync(VB2_REQUEST_REBOOT_EC_TO_RO,
		   0, "Reboot after synching Hmir (display not available)");
	TEST_EQ(ec_ro_updated, 0, "  ec ro updated");
	TEST_EQ(ec_rw_updated, 0, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 0, "  ec rw protected");
	TEST_EQ(ec_run_image, 1, "  ec run image");
	TEST_TRUE(need_display_called, "  need display");

	/* Hexp == Hmir != Heff */
	ResetMocks();
	ec_run_image = 0;
	ctx->flags |= VB2_CONTEXT_NO_BOOT;
	mock_ec_rw_hash[0] = 43;
	test_ssync(VB2_REQUEST_REBOOT_EC_TO_RO,
		   0, "Reboot after synching Heff");
	TEST_EQ(ec_ro_updated, 0, "  ec ro updated");
	TEST_EQ(ec_rw_updated, 1, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 0, "  ec rw protected");
	TEST_EQ(ec_run_image, 0, "  ec run image");

	/* Hexp != Hmir != Heff */
	ResetMocks();
	hmir[0] = 44;
	vb2_secdata_kernel_set_ec_hash(ctx, hmir);
	ec_run_image = 0;
	ctx->flags |= VB2_CONTEXT_NO_BOOT;
	mock_ec_rw_hash[0] = 43;
	test_ssync(VB2_REQUEST_REBOOT_EC_TO_RO,
		   0, "Reboot after synching Hmir and Heff");
	TEST_EQ(ec_ro_updated, 0, "  ec ro updated");
	TEST_EQ(ec_rw_updated, 1, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 0, "  ec rw protected");
	TEST_EQ(ec_run_image, 0, "  ec run image");

	/* Hexp == Heff != Hmir */
	ResetMocks();
	hmir[0] = 44;
	vb2_secdata_kernel_set_ec_hash(ctx, hmir);
	ec_run_image = 0;
	ctx->flags |= VB2_CONTEXT_NO_BOOT;
	test_ssync(VB2_REQUEST_REBOOT_EC_TO_RO,
		   0, "Reboot after synching Hmir");
	TEST_EQ(ec_ro_updated, 0, "  ec ro updated");
	TEST_EQ(ec_rw_updated, 0, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 0, "  ec rw protected");
	TEST_EQ(ec_run_image, 0, "  ec run image");

	ResetMocks();
	mock_ec_rw_hash[0]++;
	vb2_nv_set(ctx, VB2_NV_TRY_RO_SYNC, 1);
	test_ssync(0, 0, "Update rw without reboot");
	TEST_EQ(ec_ro_updated, 0, "  ec ro updated");
	TEST_EQ(ec_rw_updated, 1, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 1, "  ec rw protected");
	TEST_EQ(ec_run_image, 1, "  ec run image");

	ResetMocks();
	mock_ec_rw_hash[0]++;
	mock_ec_ro_hash[0]++;
	vb2_nv_set(ctx, VB2_NV_TRY_RO_SYNC, 1);
	test_ssync(0, 0, "Update rw and ro images without reboot");
	TEST_EQ(ec_ro_updated, 1, "  ec ro updated");
	TEST_EQ(ec_rw_updated, 1, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 1, "  ec rw protected");
	TEST_EQ(ec_run_image, 1, "  ec run image");

	ResetMocks();
	vb2_nv_set(ctx, VB2_NV_TRY_RO_SYNC, 1);
	mock_ec_ro_hash[0]++;
	vb2_nv_set(ctx, VB2_NV_DISPLAY_REQUEST, 1);
	test_ssync(0, 0, "rw update not needed");
	TEST_EQ(ec_ro_updated, 1, "  ec ro updated");
	TEST_EQ(ec_rw_updated, 0, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 1, "  ec rw protected");
	TEST_EQ(ec_run_image, 1, "  ec run image");
	TEST_EQ(vb2_nv_get(ctx, VB2_NV_DISPLAY_REQUEST), 1,
		"  DISPLAY_REQUEST left untouched");

	ResetMocks();
	mock_ec_rw_hash[0]++;
	mock_ec_ro_hash[0]++;
	test_ssync(0, 0, "ro update not requested");
	TEST_EQ(ec_ro_updated, 0, "  ec ro updated");
	TEST_EQ(ec_rw_updated, 1, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 1, "  ec rw protected");
	TEST_EQ(ec_run_image, 1, "  ec run image");

	ResetMocks();
	mock_ec_rw_hash[0]++;
	update_hash++;
	test_ssync(VB2_REQUEST_REBOOT_EC_TO_RO,
		   VB2_RECOVERY_EC_UPDATE, "Updated hash mismatch");
	TEST_EQ(ec_ro_updated, 0, "  ec ro updated");
	TEST_EQ(ec_rw_updated, 1, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 0, "  ec rw protected");
	TEST_EQ(ec_run_image, 0, "  ec run image");

	ResetMocks();
	mock_ec_rw_hash[0]++;
	update_retval = VB2_REQUEST_REBOOT_EC_TO_RO;
	test_ssync(VB2_REQUEST_REBOOT_EC_TO_RO,
		   0, "Reboot for rw update");
	TEST_EQ(ec_ro_updated, 0, "  ec rw updated");
	TEST_EQ(ec_rw_updated, 0, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 0, "  ec rw protected");
	TEST_EQ(ec_run_image, 0, "  ec run image");

	ResetMocks();
	mock_ec_rw_hash[0]++;
	update_retval = VB2_ERROR_MOCK;
	test_ssync(VB2_ERROR_MOCK,
		   VB2_RECOVERY_EC_UPDATE, "Update failed");
	TEST_EQ(ec_ro_updated, 0, "  ec rw updated");
	TEST_EQ(ec_rw_updated, 0, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 0, "  ec rw protected");
	TEST_EQ(ec_run_image, 0, "  ec run image");

	/* Display not available - RW */
	ResetMocks();
	mock_ec_rw_hash[0]++;
	mock_display_available = 0;
	ctx->flags |= VB2_CONTEXT_EC_SYNC_SLOW;
	test_ssync(VB2_REQUEST_REBOOT, 0,
		   "Reboot for display - ec rw");
	TEST_EQ(ec_ro_updated, 0, "  ec ro updated");
	TEST_EQ(ec_rw_updated, 0, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 0, "  ec rw protected");
	TEST_EQ(ec_run_image, 0, "  ec run image");
	TEST_TRUE(need_display_called, "  need display");

	/* Display not available - RO */
	ResetMocks();
	vb2_nv_set(ctx, VB2_NV_TRY_RO_SYNC, 1);
	mock_ec_ro_hash[0]++;
	mock_display_available = 0;
	ctx->flags |= VB2_CONTEXT_EC_SYNC_SLOW;
	test_ssync(VB2_REQUEST_REBOOT, 0,
		   "Reboot for display - ec ro");
	TEST_EQ(ec_ro_updated, 0, "  ec ro updated");
	TEST_EQ(ec_rw_updated, 0, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 0, "  ec rw protected");
	TEST_EQ(ec_run_image, 1, "  ec run image");
	TEST_TRUE(need_display_called, "  need display");

	/* RW cases, no update */
	ResetMocks();
	ec_run_image = 1;
	test_ssync(0, 0, "AP-RW, EC-RW");
	TEST_EQ(ec_ro_updated, 0, "ec ro updated");
	TEST_EQ(ec_rw_updated, 0, "ec rw updated");
	TEST_EQ(ec_rw_protected, 1, "ec rw protected");
	TEST_EQ(ec_run_image, 1, "ec run image");
	TEST_FALSE(ctx->flags & VB2_CONTEXT_EC_TRUSTED,
		   "  VB2_CONTEXT_EC_TRUSTED is cleared");

	ResetMocks();
	test_ssync(0, 0, "AP-RW, EC-RO -> EC-RW");
	TEST_EQ(ec_ro_updated, 0, "  ec ro updated");
	TEST_EQ(ec_rw_updated, 0, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 1, "  ec rw protected");
	TEST_EQ(ec_run_image, 1, "  ec run image");
	TEST_FALSE(ctx->flags & VB2_CONTEXT_EC_TRUSTED,
		   "  VB2_CONTEXT_EC_TRUSTED is cleared");

	ResetMocks();
	jump_retval = VB2_ERROR_MOCK;
	test_ssync(VB2_ERROR_MOCK,
		   VB2_RECOVERY_EC_JUMP_RW, "Jump to RW fail");
	TEST_EQ(ec_ro_updated, 0, "  ec ro updated");
	TEST_EQ(ec_rw_updated, 0, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 0, "  ec rw protected");
	TEST_EQ(ec_run_image, 0, "  ec run image");
	TEST_FALSE(ctx->flags & VB2_CONTEXT_EC_TRUSTED,
		   "  VB2_CONTEXT_EC_TRUSTED is cleared");

	ResetMocks();
	jump_retval = VB2_REQUEST_REBOOT_EC_TO_RO;
	test_ssync(VB2_REQUEST_REBOOT_EC_TO_RO,
		   0, "Jump to RW fail because locked");
	TEST_EQ(ec_ro_updated, 0, "  ec ro updated");
	TEST_EQ(ec_rw_updated, 0, "  ec rw updated");
	TEST_EQ(ec_rw_protected, 0, "  ec rw protected");
	TEST_EQ(ec_run_image, 0, "  ec run image");
	TEST_FALSE(ctx->flags & VB2_CONTEXT_EC_TRUSTED,
		   "  VB2_CONTEXT_EC_TRUSTED is cleared");

	ResetMocks();
	protect_retval = VB2_ERROR_MOCK;
	test_ssync(VB2_ERROR_MOCK, VB2_RECOVERY_EC_PROTECT, "Protect error");
	TEST_EQ(ec_ro_updated, 0, "ec ro updated");
	TEST_EQ(ec_rw_updated, 0, "ec rw updated");
	TEST_EQ(ec_rw_protected, 0, "ec rw protected");
	TEST_EQ(ec_run_image, 1, "ec run image");
	TEST_FALSE(ctx->flags & VB2_CONTEXT_EC_TRUSTED,
		   "  VB2_CONTEXT_EC_TRUSTED is cleared");

	/* No longer check for shutdown requested */
	ResetMocks();
	shutdown_request_calls_left = 0;
	test_ssync(0, 0, "AP-RW, EC-RO -> EC-RW shutdown requested");
	TEST_EQ(ec_ro_updated, 0, "ec ro updated");
	TEST_EQ(ec_rw_updated, 0, "ec rw updated");
	TEST_EQ(ec_rw_protected, 1, "ec rw protected");
	TEST_EQ(ec_run_image, 1, "ec run image");

	ResetMocks();
	ec_run_image = 1;
	shutdown_request_calls_left = 0;
	test_ssync(0, 0, "AP-RW shutdown requested");
	TEST_EQ(ec_ro_updated, 0, "ec ro updated");
	TEST_EQ(ec_rw_updated, 0, "ec rw updated");
	TEST_EQ(ec_rw_protected, 1, "ec rw protected");
	TEST_EQ(ec_run_image, 1, "ec run image");

	/* EC sync not allowed in recovery mode */
	ResetMocks();
	ctx->flags |= VB2_CONTEXT_RECOVERY_MODE;
	test_ssync(0, 0, "No sync in recovery mode");
	TEST_EQ(ec_ro_updated, 0, "ec ro updated");
	TEST_EQ(ec_rw_updated, 0, "ec rw updated");
	TEST_EQ(ec_rw_protected, 0, "ec rw protected");
	TEST_EQ(ec_run_image, 0, "ec run image");
}

int main(void)
{
	VbSoftwareSyncTest();

	return gTestSuccess ? 0 : 255;
}