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Remaining unit tests for rollback_index.c

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BUG=chromium-os:17564
TEST=make && make runtests

Change-Id: If2fbfb788bc3199603c8646e8f1c9e061199bc6f
Reviewed-on: http://gerrit.chromium.org/gerrit/6832
Reviewed-by: Bill Richardson <wfrichar@chromium.org>
Tested-by: Randall Spangler <rspangler@chromium.org>
This commit is contained in:
Randall Spangler
2011-08-29 12:37:15 -07:00
parent cb3313e8cb
commit 46d37cfbbb
3 changed files with 438 additions and 39 deletions
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8
firmware/lib/rollback_index.c
View File

@@ -12,6 +12,14 @@
#include "utility.h"
#include "vboot_api.h"
#ifdef ROLLBACK_UNITTEST
/* Compiling for unit test, so we need the real implementations of
* rollback functions. The unit test mocks the underlying tlcl
* functions, so this is ok to run on the host. */
#undef CHROMEOS_ENVIRONMENT
#undef DISABLE_ROLLBACK_TPM
#endif
static int g_rollback_recovery_mode = 0;
/* disable MSVC warning on const logical expression (as in } while(0);) */

11
tests/Makefile
View File

@@ -55,6 +55,17 @@ ${BUILD_ROOT}/rollback_index_test: rollback_index_test.c ${HOSTLIB}
$(CC) $(CFLAGS) -I/usr/include $(INCLUDES) $< -o $@ \
-ltlcl ${HOSTLIB} -lcrypto -lrt
# Compile rollback_index.c for unit test, so it uses the same implementation
# as it does in the firmware.
${BUILD_ROOT}/rollback_index_for_test.o : $(FWDIR)/lib/rollback_index.c
$(CC) $(CFLAGS) -DROLLBACK_UNITTEST $(INCLUDES) \
-MMD -MF $@.d -c -o $@ $<
${BUILD_ROOT}/rollback_index2_tests: rollback_index2_tests.c \
${BUILD_ROOT}/rollback_index_for_test.o ${LIBS}
$(CC) $(CFLAGS) $(INCLUDES) $< ${BUILD_ROOT}/rollback_index2.o \
${LIBS} -o $@ -lcrypto -lrt
${BUILD_ROOT}/%.o : %.c
$(CC) $(CFLAGS) $(INCLUDES) -MMD -MF $@.d -c -o $@ $<

458
tests/rollback_index2_tests.c
View File

@@ -17,47 +17,98 @@
#include "utility.h"
#include "vboot_common.h"
static char calls[16384];
static char *cnext = calls;
static int ccount = 0;
static int cfail = 0;
static uint32_t cfail_err = TPM_SUCCESS;
/* Buffer to hold accumulated list of calls to mocked Tlcl functions.
* Each function appends itself to the buffer and updates mock_cnext.
*
* Size of mock_calls[] should be big enough to handle all expected
* call sequences; 16KB should be plenty since none of the sequences
* below is more than a few hundred bytes. We could be more clever
* and use snprintf() with length checking below, at the expense of
* making all the mock implementations bigger. If this were code used
* outside of unit tests we'd want to do that, but here if we did
* overrun the buffer the worst that's likely to happen is we'll crash
* the test, and crash = failure anyway. */
static char mock_calls[16384];
static char *mock_cnext = mock_calls;
/* Variables to support mocked error values from Tlcl functions. Each
* call, mock_count is incremented. If mock_count==fail_at_count, return
* fail_with_error instead of the normal return value. */
static int mock_count = 0;
static int fail_at_count = 0;
static uint32_t fail_with_error = TPM_SUCCESS;
/* Params / backing store for mocked Tlcl functions. */
static TPM_PERMANENT_FLAGS mock_pflags;
static RollbackSpaceFirmware mock_rsf;
static RollbackSpaceKernel mock_rsk;
static uint32_t mock_permissions;
/* Reset the variables for the Tlcl mock functions. */
static void ResetMocks(int fail_on_call, uint32_t fail_with_err) {
cnext = calls;
ccount = 0;
cfail = fail_on_call;
cfail_err = fail_with_err;
*mock_calls = 0;
mock_cnext = mock_calls;
mock_count = 0;
fail_at_count = fail_on_call;
fail_with_error = fail_with_err;
Memset(&mock_pflags, 0, sizeof(mock_pflags));
Memset(&mock_rsf, 0, sizeof(mock_rsf));
Memset(&mock_rsk, 0, sizeof(mock_rsk));
mock_permissions = 0;
}
/****************************************************************************/
/* Mocks for tlcl functions which log the calls made to calls[]. */
/* Mocks for tlcl functions which log the calls made to mock_calls[]. */
uint32_t TlclLibInit(void) {
mock_cnext += sprintf(mock_cnext, "TlclLibInit()\n");
return (++mock_count == fail_at_count) ? fail_with_error : TPM_SUCCESS;
}
uint32_t TlclStartup(void) {
mock_cnext += sprintf(mock_cnext, "TlclStartup()\n");
return (++mock_count == fail_at_count) ? fail_with_error : TPM_SUCCESS;
}
uint32_t TlclResume(void) {
mock_cnext += sprintf(mock_cnext, "TlclResume()\n");
return (++mock_count == fail_at_count) ? fail_with_error : TPM_SUCCESS;
}
uint32_t TlclForceClear(void) {
cnext += sprintf(cnext, "TlclForceClear()\n");
return (++ccount == cfail) ? cfail_err : TPM_SUCCESS;
mock_cnext += sprintf(mock_cnext, "TlclForceClear()\n");
return (++mock_count == fail_at_count) ? fail_with_error : TPM_SUCCESS;
}
uint32_t TlclSetEnable(void) {
cnext += sprintf(cnext, "TlclSetEnable()\n");
return (++ccount == cfail) ? cfail_err : TPM_SUCCESS;
mock_cnext += sprintf(mock_cnext, "TlclSetEnable()\n");
return (++mock_count == fail_at_count) ? fail_with_error : TPM_SUCCESS;
}
uint32_t TlclSetDeactivated(uint8_t flag) {
cnext += sprintf(cnext, "TlclSetDeactivated(%d)\n", flag);
return (++ccount == cfail) ? cfail_err : TPM_SUCCESS;
mock_cnext += sprintf(mock_cnext, "TlclSetDeactivated(%d)\n", flag);
return (++mock_count == fail_at_count) ? fail_with_error : TPM_SUCCESS;
}
uint32_t TlclRead(uint32_t index, void* data, uint32_t length) {
mock_cnext += sprintf(mock_cnext, "TlclRead(0x%x, %d)\n", index, length);
if (FIRMWARE_NV_INDEX == index) {
TEST_EQ(length, sizeof(mock_rsf), "TlclRead rsf size");
Memcpy(data, &mock_rsf, length);
} else if (KERNEL_NV_INDEX == index) {
TEST_EQ(length, sizeof(mock_rsk), "TlclRead rsk size");
Memcpy(data, &mock_rsk, length);
} else {
Memset(data, 0, length);
}
return (++mock_count == fail_at_count) ? fail_with_error : TPM_SUCCESS;
}
uint32_t TlclWrite(uint32_t index, const void* data, uint32_t length) {
cnext += sprintf(cnext, "TlclWrite(0x%x, %d)\n", index, length);
mock_cnext += sprintf(mock_cnext, "TlclWrite(0x%x, %d)\n", index, length);
if (FIRMWARE_NV_INDEX == index) {
TEST_EQ(length, sizeof(mock_rsf), "TlclWrite rsf size");
@@ -67,36 +118,69 @@ uint32_t TlclWrite(uint32_t index, const void* data, uint32_t length) {
Memcpy(&mock_rsk, data, length);
}
return (++ccount == cfail) ? cfail_err : TPM_SUCCESS;
return (++mock_count == fail_at_count) ? fail_with_error : TPM_SUCCESS;
}
uint32_t TlclDefineSpace(uint32_t index, uint32_t perm, uint32_t size) {
cnext += sprintf(cnext, "TlclDefineSpace(0x%x, 0x%x, %d)\n",
mock_cnext += sprintf(mock_cnext, "TlclDefineSpace(0x%x, 0x%x, %d)\n",
index, perm, size);
return (++ccount == cfail) ? cfail_err : TPM_SUCCESS;
return (++mock_count == fail_at_count) ? fail_with_error : TPM_SUCCESS;
}
uint32_t TlclSelfTestFull(void) {
cnext += sprintf(cnext, "TlclSelfTestFull()\n");
return (++ccount == cfail) ? cfail_err : TPM_SUCCESS;
mock_cnext += sprintf(mock_cnext, "TlclSelfTestFull()\n");
return (++mock_count == fail_at_count) ? fail_with_error : TPM_SUCCESS;
}
uint32_t TlclContinueSelfTest(void) {
mock_cnext += sprintf(mock_cnext, "TlclContinueSelfTest()\n");
return (++mock_count == fail_at_count) ? fail_with_error : TPM_SUCCESS;
}
uint32_t TlclGetPermanentFlags(TPM_PERMANENT_FLAGS* pflags) {
cnext += sprintf(cnext, "TlclGetPermanentFlags()\n");
mock_cnext += sprintf(mock_cnext, "TlclGetPermanentFlags()\n");
Memcpy(pflags, &mock_pflags, sizeof(mock_pflags));
return (++ccount == cfail) ? cfail_err : TPM_SUCCESS;
return (++mock_count == fail_at_count) ? fail_with_error : TPM_SUCCESS;
}
/* TlclGetFlags() doesn't need mocking; it calls TlclGetPermanentFlags() */
uint32_t TlclAssertPhysicalPresence(void) {
mock_cnext += sprintf(mock_cnext, "TlclAssertPhysicalPresence()\n");
return (++mock_count == fail_at_count) ? fail_with_error : TPM_SUCCESS;
}
uint32_t TlclFinalizePhysicalPresence(void) {
cnext += sprintf(cnext, "TlclFinalizePhysicalPresence()\n");
mock_cnext += sprintf(mock_cnext, "TlclFinalizePhysicalPresence()\n");
mock_pflags.physicalPresenceLifetimeLock = 1;
return (++ccount == cfail) ? cfail_err : TPM_SUCCESS;
return (++mock_count == fail_at_count) ? fail_with_error : TPM_SUCCESS;
}
uint32_t TlclPhysicalPresenceCMDEnable(void) {
mock_cnext += sprintf(mock_cnext, "TlclPhysicalPresenceCMDEnable()\n");
return (++mock_count == fail_at_count) ? fail_with_error : TPM_SUCCESS;
}
uint32_t TlclSetNvLocked(void) {
cnext += sprintf(cnext, "TlclSetNvLocked()\n");
mock_cnext += sprintf(mock_cnext, "TlclSetNvLocked()\n");
mock_pflags.nvLocked = 1;
return (++ccount == cfail) ? cfail_err : TPM_SUCCESS;
return (++mock_count == fail_at_count) ? fail_with_error : TPM_SUCCESS;
}
uint32_t TlclSetGlobalLock(void) {
mock_cnext += sprintf(mock_cnext, "TlclSetGlobalLock()\n");
return (++mock_count == fail_at_count) ? fail_with_error : TPM_SUCCESS;
}
uint32_t TlclLockPhysicalPresence(void) {
mock_cnext += sprintf(mock_cnext, "TlclLockPhysicalPresence()\n");
return (++mock_count == fail_at_count) ? fail_with_error : TPM_SUCCESS;
}
uint32_t TlclGetPermissions(uint32_t index, uint32_t* permissions) {
mock_cnext += sprintf(mock_cnext, "TlclGetPermissions(0x%x)\n", index);
*permissions = mock_permissions;
return (++mock_count == fail_at_count) ? fail_with_error : TPM_SUCCESS;
}
/****************************************************************************/
@@ -107,7 +191,7 @@ static void MiscTest(void) {
ResetMocks(0, 0);
TEST_EQ(TPMClearAndReenable(), 0, "TPMClearAndReenable()");
TEST_STR_EQ(calls,
TEST_STR_EQ(mock_calls,
"TlclForceClear()\n"
"TlclSetEnable()\n"
"TlclSetDeactivated(0)\n",
@@ -115,19 +199,19 @@ static void MiscTest(void) {
ResetMocks(0, 0);
TEST_EQ(SafeWrite(0x123, buf, 8), 0, "SafeWrite()");
TEST_STR_EQ(calls,
TEST_STR_EQ(mock_calls,
"TlclWrite(0x123, 8)\n",
"tlcl calls");
ResetMocks(1, TPM_E_BADINDEX);
TEST_EQ(SafeWrite(0x123, buf, 8), TPM_E_BADINDEX, "SafeWrite() bad");
TEST_STR_EQ(calls,
TEST_STR_EQ(mock_calls,
"TlclWrite(0x123, 8)\n",
"tlcl calls");
ResetMocks(1, TPM_E_MAXNVWRITES);
TEST_EQ(SafeWrite(0x123, buf, 8), 0, "SafeWrite() retry max writes");
TEST_STR_EQ(calls,
TEST_STR_EQ(mock_calls,
"TlclWrite(0x123, 8)\n"
"TlclForceClear()\n"
"TlclSetEnable()\n"
@@ -137,21 +221,21 @@ static void MiscTest(void) {
ResetMocks(0, 0);
TEST_EQ(SafeDefineSpace(0x123, 6, 8), 0, "SafeDefineSpace()");
TEST_STR_EQ(calls,
TEST_STR_EQ(mock_calls,
"TlclDefineSpace(0x123, 0x6, 8)\n",
"tlcl calls");
ResetMocks(1, TPM_E_BADINDEX);
TEST_EQ(SafeDefineSpace(0x123, 6, 8), TPM_E_BADINDEX,
"SafeDefineSpace() bad");
TEST_STR_EQ(calls,
TEST_STR_EQ(mock_calls,
"TlclDefineSpace(0x123, 0x6, 8)\n",
"tlcl calls");
ResetMocks(1, TPM_E_MAXNVWRITES);
TEST_EQ(SafeDefineSpace(0x123, 6, 8), 0,
"SafeDefineSpace() retry max writes");
TEST_STR_EQ(calls,
TEST_STR_EQ(mock_calls,
"TlclDefineSpace(0x123, 0x6, 8)\n"
"TlclForceClear()\n"
"TlclSetEnable()\n"
@@ -170,7 +254,7 @@ static void OneTimeInitTest(void) {
/* Complete initialization */
ResetMocks(0, 0);
TEST_EQ(OneTimeInitializeTPM(&rsf, &rsk), 0, "OneTimeInitializeTPM()");
TEST_STR_EQ(calls,
TEST_STR_EQ(mock_calls,
"TlclSelfTestFull()\n"
"TlclGetPermanentFlags()\n"
"TlclFinalizePhysicalPresence()\n"
@@ -196,7 +280,7 @@ static void OneTimeInitTest(void) {
ResetMocks(0, 0);
mock_pflags.physicalPresenceLifetimeLock = 1;
TEST_EQ(OneTimeInitializeTPM(&rsf, &rsk), 0, "OneTimeInitializeTPM()");
TEST_STR_EQ(calls,
TEST_STR_EQ(mock_calls,
"TlclSelfTestFull()\n"
"TlclGetPermanentFlags()\n"
"TlclSetNvLocked()\n"
@@ -215,7 +299,7 @@ static void OneTimeInitTest(void) {
ResetMocks(0, 0);
mock_pflags.nvLocked = 1;
TEST_EQ(OneTimeInitializeTPM(&rsf, &rsk), 0, "OneTimeInitializeTPM()");
TEST_STR_EQ(calls,
TEST_STR_EQ(mock_calls,
"TlclSelfTestFull()\n"
"TlclGetPermanentFlags()\n"
"TlclFinalizePhysicalPresence()\n"
@@ -234,11 +318,303 @@ static void OneTimeInitTest(void) {
ResetMocks(1, TPM_E_IOERROR);
TEST_EQ(OneTimeInitializeTPM(&rsf, &rsk), TPM_E_IOERROR,
"OneTimeInitializeTPM() selftest");
TEST_STR_EQ(calls,
TEST_STR_EQ(mock_calls,
"TlclSelfTestFull()\n",
"tlcl calls");
}
/****************************************************************************/
/* Tests for TPM setup */
static void SetupTpmTest(void) {
RollbackSpaceFirmware rsf;
/* Complete setup */
ResetMocks(0, 0);
TEST_EQ(SetupTPM(0, 0, &rsf), 0, "SetupTPM()");
TEST_STR_EQ(mock_calls,
"TlclLibInit()\n"
"TlclStartup()\n"
"TlclAssertPhysicalPresence()\n"
"TlclGetPermanentFlags()\n"
"TlclRead(0x1007, 10)\n",
"tlcl calls");
/* If TPM is disabled or deactivated, must enable it */
ResetMocks(0, 0);
mock_pflags.disable = 1;
TEST_EQ(SetupTPM(0, 0, &rsf), TPM_E_MUST_REBOOT, "SetupTPM() disabled");
TEST_STR_EQ(mock_calls,
"TlclLibInit()\n"
"TlclStartup()\n"
"TlclAssertPhysicalPresence()\n"
"TlclGetPermanentFlags()\n"
"TlclSetEnable()\n"
"TlclSetDeactivated(0)\n",
"tlcl calls");
ResetMocks(0, 0);
mock_pflags.deactivated = 1;
TEST_EQ(SetupTPM(0, 0, &rsf), TPM_E_MUST_REBOOT, "SetupTPM() deactivated");
TEST_STR_EQ(mock_calls,
"TlclLibInit()\n"
"TlclStartup()\n"
"TlclAssertPhysicalPresence()\n"
"TlclGetPermanentFlags()\n"
"TlclSetEnable()\n"
"TlclSetDeactivated(0)\n",
"tlcl calls");
/* If physical presence command isn't enabled, should try to enable it */
ResetMocks(3, TPM_E_IOERROR);
TEST_EQ(SetupTPM(0, 0, &rsf), 0, "SetupTPM() pp cmd");
TEST_STR_EQ(mock_calls,
"TlclLibInit()\n"
"TlclStartup()\n"
"TlclAssertPhysicalPresence()\n"
"TlclPhysicalPresenceCMDEnable()\n"
"TlclAssertPhysicalPresence()\n"
"TlclGetPermanentFlags()\n"
"TlclRead(0x1007, 10)\n",
"tlcl calls");
/* If firmware space is missing, do one-time init */
ResetMocks(5, TPM_E_BADINDEX);
mock_pflags.physicalPresenceLifetimeLock = 1;
mock_pflags.nvLocked = 1;
TEST_EQ(SetupTPM(0, 0, &rsf), 0, "SetupTPM() no firmware space");
TEST_STR_EQ(mock_calls,
"TlclLibInit()\n"
"TlclStartup()\n"
"TlclAssertPhysicalPresence()\n"
"TlclGetPermanentFlags()\n"
"TlclRead(0x1007, 10)\n"
/* Calls from one-time init */
"TlclSelfTestFull()\n"
"TlclGetPermanentFlags()\n"
"TlclForceClear()\n"
"TlclSetEnable()\n"
"TlclSetDeactivated(0)\n"
"TlclDefineSpace(0x1008, 0x1, 13)\n"
"TlclWrite(0x1008, 13)\n"
"TlclDefineSpace(0x1007, 0x8001, 10)\n"
"TlclWrite(0x1007, 10)\n",
"tlcl calls");
/* Other firmware space error is passed through */
ResetMocks(5, TPM_E_IOERROR);
TEST_EQ(SetupTPM(0, 0, &rsf), TPM_E_CORRUPTED_STATE,
"SetupTPM() bad firmware space");
TEST_STR_EQ(mock_calls,
"TlclLibInit()\n"
"TlclStartup()\n"
"TlclAssertPhysicalPresence()\n"
"TlclGetPermanentFlags()\n"
"TlclRead(0x1007, 10)\n",
"tlcl calls");
/* If developer flag has toggled, clear ownership and write new flag */
ResetMocks(0, 0);
TEST_EQ(SetupTPM(0, 1, &rsf), 0, "SetupTPM() to dev");
TEST_STR_EQ(mock_calls,
"TlclLibInit()\n"
"TlclStartup()\n"
"TlclAssertPhysicalPresence()\n"
"TlclGetPermanentFlags()\n"
"TlclRead(0x1007, 10)\n"
"TlclForceClear()\n"
"TlclSetEnable()\n"
"TlclSetDeactivated(0)\n"
"TlclWrite(0x1007, 10)\n",
"tlcl calls");
TEST_EQ(mock_rsf.flags, FLAG_LAST_BOOT_DEVELOPER, "fw space flags to dev");
ResetMocks(0, 0);
mock_rsf.flags = FLAG_LAST_BOOT_DEVELOPER;
TEST_EQ(SetupTPM(0, 0, &rsf), 0, "SetupTPM() from dev");
TEST_STR_EQ(mock_calls,
"TlclLibInit()\n"
"TlclStartup()\n"
"TlclAssertPhysicalPresence()\n"
"TlclGetPermanentFlags()\n"
"TlclRead(0x1007, 10)\n"
"TlclForceClear()\n"
"TlclSetEnable()\n"
"TlclSetDeactivated(0)\n"
"TlclWrite(0x1007, 10)\n",
"tlcl calls");
TEST_EQ(mock_rsf.flags, 0, "fw space flags from dev");
/* Note: SetupTPM() recovery_mode parameter sets a global flag in
* rollback_index.c; this is tested along with RollbackKernelLock() below. */
}
/****************************************************************************/
/* Tests for RollbackFirmware() calls */
static void RollbackFirmwareTest(void) {
uint32_t version;
/* Normal setup */
ResetMocks(0, 0);
version = 123;
mock_rsf.fw_versions = 0x12345678;
TEST_EQ(RollbackFirmwareSetup(0, 0, &version), 0, "RollbackFirmwareSetup()");
TEST_STR_EQ(mock_calls,
"TlclLibInit()\n"
"TlclStartup()\n"
"TlclAssertPhysicalPresence()\n"
"TlclGetPermanentFlags()\n"
"TlclRead(0x1007, 10)\n",
"tlcl calls");
TEST_EQ(version, 0x12345678, "RollbackFirmwareSetup() version");
/* Error during setup should clear version */
ResetMocks(1, TPM_E_IOERROR);
version = 123;
mock_rsf.fw_versions = 0x12345678;
TEST_EQ(RollbackFirmwareSetup(0, 0, &version), TPM_E_IOERROR,
"RollbackFirmwareSetup() error");
TEST_STR_EQ(mock_calls,
"TlclLibInit()\n",
"tlcl calls");
TEST_EQ(version, 0, "RollbackFirmwareSetup() version on error");
/* Developer mode flag gets passed properly */
ResetMocks(0, 0);
TEST_EQ(RollbackFirmwareSetup(0, 1, &version), 0,
"RollbackFirmwareSetup() to dev");
TEST_STR_EQ(mock_calls,
"TlclLibInit()\n"
"TlclStartup()\n"
"TlclAssertPhysicalPresence()\n"
"TlclGetPermanentFlags()\n"
"TlclRead(0x1007, 10)\n"
"TlclForceClear()\n"
"TlclSetEnable()\n"
"TlclSetDeactivated(0)\n"
"TlclWrite(0x1007, 10)\n",
"tlcl calls");
TEST_EQ(mock_rsf.flags, FLAG_LAST_BOOT_DEVELOPER, "fw space flags to dev");
/* Test write */
ResetMocks(0, 0);
TEST_EQ(RollbackFirmwareWrite(0xBEAD1234), 0, "RollbackFirmwareWrite()");
TEST_EQ(mock_rsf.fw_versions, 0xBEAD1234, "RollbackFirmwareWrite() version");
TEST_STR_EQ(mock_calls,
"TlclRead(0x1007, 10)\n"
"TlclWrite(0x1007, 10)\n",
"tlcl calls");
ResetMocks(1, TPM_E_IOERROR);
TEST_EQ(RollbackFirmwareWrite(123), TPM_E_IOERROR,
"RollbackFirmwareWrite() error");
/* Test lock */
ResetMocks(0, 0);
TEST_EQ(RollbackFirmwareLock(), 0, "RollbackFirmwareLock()");
TEST_STR_EQ(mock_calls,
"TlclSetGlobalLock()\n",
"tlcl calls");
ResetMocks(1, TPM_E_IOERROR);
TEST_EQ(RollbackFirmwareLock(), TPM_E_IOERROR,
"RollbackFirmwareLock() error");
}
/****************************************************************************/
/* Tests for RollbackKernel() calls */
static void RollbackKernelTest(void) {
RollbackSpaceFirmware rsf;
uint32_t version = 0;
/* RollbackKernel*() functions use a global flag inside
* rollback_index.c based on recovery mode, which is set by
* SetupTPM(). Clear the flag for the first set of tests. */
TEST_EQ(SetupTPM(0, 0, &rsf), 0, "SetupTPM()");
/* Normal read */
ResetMocks(0, 0);
mock_rsk.uid = ROLLBACK_SPACE_KERNEL_UID;
mock_permissions = TPM_NV_PER_PPWRITE;
mock_rsk.kernel_versions = 0x87654321;
TEST_EQ(RollbackKernelRead(&version), 0, "RollbackKernelRead()");
TEST_STR_EQ(mock_calls,
"TlclRead(0x1008, 13)\n"
"TlclGetPermissions(0x1008)\n",
"tlcl calls");
TEST_EQ(version, 0x87654321, "RollbackKernelRead() version");
/* Read error */
ResetMocks(1, TPM_E_IOERROR);
TEST_EQ(RollbackKernelRead(&version), TPM_E_IOERROR,
"RollbackKernelRead() error");
TEST_STR_EQ(mock_calls,
"TlclRead(0x1008, 13)\n",
"tlcl calls");
/* Wrong permission or UID will return error */
ResetMocks(0, 0);
mock_rsk.uid = ROLLBACK_SPACE_KERNEL_UID + 1;
mock_permissions = TPM_NV_PER_PPWRITE;
TEST_EQ(RollbackKernelRead(&version), TPM_E_CORRUPTED_STATE,
"RollbackKernelRead() bad uid");
ResetMocks(0, 0);
mock_rsk.uid = ROLLBACK_SPACE_KERNEL_UID;
mock_permissions = TPM_NV_PER_PPWRITE + 1;
TEST_EQ(RollbackKernelRead(&version), TPM_E_CORRUPTED_STATE,
"RollbackKernelRead() bad permissions");
/* Test write */
ResetMocks(0, 0);
TEST_EQ(RollbackKernelWrite(0xBEAD4321), 0, "RollbackKernelWrite()");
TEST_EQ(mock_rsk.kernel_versions, 0xBEAD4321,
"RollbackKernelWrite() version");
TEST_STR_EQ(mock_calls,
"TlclRead(0x1008, 13)\n"
"TlclWrite(0x1008, 13)\n",
"tlcl calls");
ResetMocks(1, TPM_E_IOERROR);
TEST_EQ(RollbackKernelWrite(123), TPM_E_IOERROR,
"RollbackKernelWrite() error");
/* Test lock (recovery off) */
ResetMocks(0, 0);
TEST_EQ(RollbackKernelLock(), 0, "RollbackKernelLock()");
TEST_STR_EQ(mock_calls,
"TlclLockPhysicalPresence()\n",
"tlcl calls");
ResetMocks(1, TPM_E_IOERROR);
TEST_EQ(RollbackKernelLock(), TPM_E_IOERROR, "RollbackKernelLock() error");
/* Test lock with recovery on; shouldn't lock PP */
SetupTPM(1, 0, &rsf);
ResetMocks(0, 0);
TEST_EQ(RollbackKernelLock(), 0, "RollbackKernelLock() in recovery");
TEST_STR_EQ(mock_calls, "", "no tlcl calls");
}
/* Tests for RollbackS3Resume() */
static void RollbackS3ResumeTest(void) {
ResetMocks(0, 0);
TEST_EQ(RollbackS3Resume(), 0, "RollbackS3Resume()");
TEST_STR_EQ(mock_calls,
"TlclLibInit()\n"
"TlclResume()\n",
"tlcl calls");
/* Should ignore postinit error */
ResetMocks(2, TPM_E_INVALID_POSTINIT);
TEST_EQ(RollbackS3Resume(), 0, "RollbackS3Resume() postinit");
/* Resume with other error */
ResetMocks(2, TPM_E_IOERROR);
TEST_EQ(RollbackS3Resume(), TPM_E_IOERROR, "RollbackS3Resume() other error");
}
/* disable MSVC warnings on unused arguments */
__pragma(warning (disable: 4100))
@@ -248,6 +624,10 @@ int main(int argc, char* argv[]) {
MiscTest();
OneTimeInitTest();
SetupTpmTest();
RollbackFirmwareTest();
RollbackKernelTest();
RollbackS3ResumeTest();
if (!gTestSuccess)
error_code = 255;