diff options
Diffstat (limited to 'tests/vboot_firmware_tests.c')
| -rw-r--r-- | tests/vboot_firmware_tests.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/tests/vboot_firmware_tests.c b/tests/vboot_firmware_tests.c index 651197cf..f83d970f 100644 --- a/tests/vboot_firmware_tests.c +++ b/tests/vboot_firmware_tests.c @@ -371,6 +371,39 @@ static void LoadFirmwareTest(void) { VbNvGet(&vnc, VBNV_TRY_B_COUNT, &u); TEST_EQ(u, 4, "Used up a try"); + /* There's a optimistic boot mode that doesn't consume tries. + * The behaviour should differ only in that the try count doesn't change. */ + /* Optimistic boot case 1: count == 0: Go for A */ + ResetMocks(); + mpreamble[0].flags = VB_FIRMWARE_PREAMBLE_USE_RO_NORMAL; + mpreamble[1].flags = VB_FIRMWARE_PREAMBLE_USE_RO_NORMAL; + shared->flags |= VBSD_BOOT_RO_NORMAL_SUPPORT; + shared->flags |= VBSD_NOFAIL_BOOT; + VbNvSet(&vnc, VBNV_TRY_B_COUNT, 0); + TestLoadFirmware(VBERROR_SUCCESS, 0, "Give up on B"); + TEST_EQ(shared->check_fw_a_result, VBSD_LF_CHECK_VALID, "RO normal A valid"); + TEST_EQ(shared->check_fw_b_result, 0, "RO normal B not checked"); + TEST_EQ(shared->firmware_index, 0, "Boot A"); + TEST_EQ(shared->flags & VBSD_FWB_TRIED, 0, "Didn't try firmware B"); + TEST_EQ(shared->kernel_subkey.algorithm, 7, "Copy kernel subkey"); + VbNvGet(&vnc, VBNV_TRY_B_COUNT, &u); + TEST_EQ(u, 0, "try count still zero"); + /* Optimistic boot case 2: count > 0: count unchanged, use B */ + ResetMocks(); + mpreamble[0].flags = VB_FIRMWARE_PREAMBLE_USE_RO_NORMAL; + mpreamble[1].flags = VB_FIRMWARE_PREAMBLE_USE_RO_NORMAL; + shared->flags |= VBSD_BOOT_RO_NORMAL_SUPPORT; + shared->flags |= VBSD_NOFAIL_BOOT; + VbNvSet(&vnc, VBNV_TRY_B_COUNT, 5); + TestLoadFirmware(VBERROR_SUCCESS, 0, "Check B then A"); + TEST_EQ(shared->check_fw_a_result, 0, "RO normal A not checked "); + TEST_EQ(shared->check_fw_b_result, VBSD_LF_CHECK_VALID, "RO normal B valid"); + TEST_EQ(shared->firmware_index, 1, "Boot B"); + TEST_NEQ(shared->flags & VBSD_FWB_TRIED, 0, "Tried firmware B"); + TEST_EQ(shared->kernel_subkey.algorithm, 8, "Copy kernel subkey"); + VbNvGet(&vnc, VBNV_TRY_B_COUNT, &u); + TEST_EQ(u, 5, "Not used up a try"); + /* If both A and B are valid and grater version than TPM, A is * selected and B preamble (but not body) is verified. */ ResetMocks(); |