def testDumpValidSingleACPITable(self):
"""Tests basic valid ACPI table dump."""
args = rdf_chipsec_types.DumpACPITableRequest(table_signature="DSDT")
result = self.RunAction(self.grr_chipsec_module.DumpACPITable, args)[0]
self.assertLen(result.acpi_tables, 1)
self.assertEqual(result.acpi_tables[0].table_address, 0xAABBCCDDEEFF0011)
self.assertEqual(result.acpi_tables[0].table_blob,
b"\xFF" * 0xFF + b"\xEE" * 0xFF)
def testDumpValidSingleACPITableVerbose(self):
"""Tests valid ACPI table dump with verbose mode enabled."""
args = rdf_chipsec_types.DumpACPITableRequest(
table_signature="XSDT", logging=True)
result = self.RunAction(self.grr_chipsec_module.DumpACPITable, args)[0]
self.assertEqual(result.acpi_tables[0].table_address, 0x1122334455667788)
self.assertEqual(result.acpi_tables[0].table_blob,
b"\xAB" * 0xFF + b"\xCD" * 0xFF)
self.assertNotEquals(self.chipsec_mock.logger.logger.call_count, 0)
def testDumpACPITableTriggeringDevMemError(self):
"""Tests the condition where OSError is triggered due to using /dev/mem.
No exception should be raised, and the log describing the error should be
returned.
"""
self.chipsec_mock.acpi.ACPI = MockACPIReadingRestrictedArea
args = rdf_chipsec_types.DumpACPITableRequest(table_signature="FACP")
self.RunAction(self.grr_chipsec_module.DumpACPITable, args)
self.assertNotEmpty(self.results)
self.assertNotEmpty(self.results[0].logs)
def testDumpACPITableUnknownChipsetVerbose(self):
"""Tests unknown chipset with verbose mode.
If the chipset is unknown but verbose enabled, no exception is raised
and at least one response should be returned with non-empty logs.
"""
self.chipsec_mock.chipset.cs = UnsupportedChipset
args = rdf_chipsec_types.DumpACPITableRequest(table_signature="FACP",
logging=True)
self.RunAction(self.grr_chipsec_module.DumpACPITable, args)
self.assertNotEqual(self.chipsec_mock.logger.logger.call_count, 0)
self.assertNotEmpty(self.results)
self.assertNotEmpty(self.results[0].logs)
def testDumpValidMultipleACPITables(self):
"""Tests valid ACPI table dump that would yield several tables."""
args = rdf_chipsec_types.DumpACPITableRequest(table_signature="SSDT")
result = self.RunAction(self.grr_chipsec_module.DumpACPITable, args)[0]
self.assertLen(result.acpi_tables, 3)
self.assertEqual(result.acpi_tables[0].table_address, 0x1234567890ABCDEF)
self.assertEqual(result.acpi_tables[0].table_blob,
b"\xEF" * 0xFF + b"\xFE" * 0xFF)
self.assertEqual(result.acpi_tables[1].table_address, 0x2234567890ABCDEF)
self.assertEqual(result.acpi_tables[1].table_blob,
b"\xDC" * 0xFF + b"\xBA" * 0xFF)
self.assertEqual(result.acpi_tables[2].table_address, 0x3234567890ABCDEF)
self.assertEqual(result.acpi_tables[2].table_blob,
b"\xAA" * 0xFF + b"\xBB" * 0xFF)
def testDumpACPITableUnknownChipset(self):
"""By default, if the chipset is unknown, no exception is raised."""
self.chipsec_mock.chipset.cs = UnsupportedChipset
args = rdf_chipsec_types.DumpACPITableRequest(table_signature="FACP")
self.RunAction(self.grr_chipsec_module.DumpACPITable, args)
def testDumpInvalidACPITable(self):
"""Tests dumping invalid ACPI table."""
args = rdf_chipsec_types.DumpACPITableRequest(
table_signature="INVALID_TABLE")
result = self.RunAction(self.grr_chipsec_module.DumpACPITable, args)[0]
self.assertNotEqual(len(result.logs), 0)
