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/** @file
Unit tests for the implementation of DxeImageVerificationLib.
Copyright (c) 2025, Yandex. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#include <Library/GoogleTestLib.h>
#include <GoogleTest/Library/MockUefiLib.h>
#include <GoogleTest/Library/MockUefiRuntimeServicesTableLib.h>
#include <GoogleTest/Library/MockUefiBootServicesTableLib.h>
#include <GoogleTest/Library/MockDevicePathLib.h>
extern "C" {
#include <Uefi.h>
#include <Library/BaseLib.h>
#include <Library/DebugLib.h>
#include "DxeImageVerificationLibGoogleTest.h"
}
//////////////////////////////////////////////////////////////////////////////
class CheckImageTypeResult : public ::testing::Test {
public:
EFI_DEVICE_PATH_PROTOCOL File;
protected:
MockUefiRuntimeServicesTableLib RtServicesMock;
MockUefiBootServicesTableLib BsMock;
MockDevicePathLib DevicePathMock;
EFI_STATUS Status;
UINT32 AuthenticationStatus;
VOID *FileBuffer;
UINTN FileSize;
BOOLEAN BootPolicy;
virtual void
SetUp (
)
{
AuthenticationStatus = 0;
FileBuffer = NULL;
FileSize = 0;
BootPolicy = FALSE;
}
};
TEST_F (CheckImageTypeResult, ImageTypeVerifySanity) {
// Sanity check
Status = DxeImageVerificationHandler (AuthenticationStatus, NULL, FileBuffer, FileSize, BootPolicy);
EXPECT_EQ (Status, EFI_INVALID_PARAMETER);
}
TEST_F (CheckImageTypeResult, ImageTypeVerifyImageFromFv) {
EXPECT_CALL (BsMock, gBS_LocateDevicePath)
.WillRepeatedly (testing::Return (EFI_SUCCESS));
EXPECT_CALL (BsMock, gBS_OpenProtocol)
.WillRepeatedly (testing::Return (EFI_SUCCESS));
Status = DxeImageVerificationHandler (AuthenticationStatus, &File, FileBuffer, FileSize, BootPolicy);
EXPECT_EQ (Status, EFI_SUCCESS);
}
TEST_F (CheckImageTypeResult, ImageTypeVerifyImageFromOptionRom) {
auto TestFunc = [&](EFI_STATUS ExpectedStatus) {
EXPECT_CALL (BsMock, gBS_LocateDevicePath)
.Times (3)
.WillRepeatedly (testing::Return (EFI_NOT_FOUND));
EXPECT_CALL (BsMock, gBS_OpenProtocol)
.WillRepeatedly (testing::Return (EFI_NOT_FOUND));
EXPECT_CALL (DevicePathMock, IsDevicePathEndType)
.WillOnce (testing::Return ((BOOLEAN)FALSE));
EXPECT_CALL (DevicePathMock, DevicePathType)
.WillOnce (testing::Return ((UINT8)MEDIA_DEVICE_PATH));
EXPECT_CALL (DevicePathMock, DevicePathSubType)
.WillOnce (testing::Return ((UINT8)MEDIA_RELATIVE_OFFSET_RANGE_DP));
Status = DxeImageVerificationHandler (AuthenticationStatus, &File, FileBuffer, FileSize, BootPolicy);
EXPECT_EQ (Status, ExpectedStatus);
};
PatchPcdSet32 (PcdOptionRomImageVerificationPolicy, ALWAYS_EXECUTE);
TestFunc (EFI_SUCCESS);
PatchPcdSet32 (PcdOptionRomImageVerificationPolicy, NEVER_EXECUTE);
TestFunc (EFI_ACCESS_DENIED);
}
TEST_F (CheckImageTypeResult, ImageTypeVerifyImageFromRemovableMedia) {
auto TestFunc = [&](EFI_STATUS ExpectedStatus) {
EXPECT_CALL (BsMock, gBS_LocateDevicePath)
.Times (3)
.WillRepeatedly (testing::Return (EFI_NOT_FOUND));
EXPECT_CALL (DevicePathMock, IsDevicePathEndType)
.WillOnce (testing::Return ((BOOLEAN)FALSE));
EXPECT_CALL (DevicePathMock, DevicePathType)
.WillOnce (testing::Return ((UINT8)MESSAGING_DEVICE_PATH));
EXPECT_CALL (DevicePathMock, DevicePathSubType)
.WillOnce (testing::Return ((UINT8)MSG_MAC_ADDR_DP));
Status = DxeImageVerificationHandler (AuthenticationStatus, &File, FileBuffer, FileSize, BootPolicy);
EXPECT_EQ (Status, ExpectedStatus);
};
PatchPcdSet32 (PcdRemovableMediaImageVerificationPolicy, ALWAYS_EXECUTE);
TestFunc (EFI_SUCCESS);
PatchPcdSet32 (PcdRemovableMediaImageVerificationPolicy, NEVER_EXECUTE);
TestFunc (EFI_ACCESS_DENIED);
}
TEST_F (CheckImageTypeResult, ImageTypeVerifyImageFromFixedMedia) {
auto TestFunc = [&](EFI_STATUS ExpectedStatus) {
EXPECT_CALL (BsMock, gBS_LocateDevicePath)
.WillOnce (testing::Return (EFI_NOT_FOUND))
.WillOnce (testing::Return (EFI_NOT_FOUND))
.WillOnce (testing::Return (EFI_SUCCESS));
Status = DxeImageVerificationHandler (AuthenticationStatus, &File, FileBuffer, FileSize, BootPolicy);
EXPECT_EQ (Status, ExpectedStatus);
};
PatchPcdSet32 (PcdFixedMediaImageVerificationPolicy, ALWAYS_EXECUTE);
TestFunc (EFI_SUCCESS);
PatchPcdSet32 (PcdFixedMediaImageVerificationPolicy, NEVER_EXECUTE);
TestFunc (EFI_ACCESS_DENIED);
}
int
main (
int argc,
char *argv[]
)
{
testing::InitGoogleTest (&argc, argv);
return RUN_ALL_TESTS ();
}
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