1 #!/usr/bin/env python 2 # 3 # Copyright (C) 2016 The Android Open Source Project 4 # 5 # Licensed under the Apache License, Version 2.0 (the "License"); 6 # you may not use this file except in compliance with the License. 7 # You may obtain a copy of the License at 8 # 9 # http://www.apache.org/licenses/LICENSE-2.0 10 # 11 # Unless required by applicable law or agreed to in writing, software 12 # distributed under the License is distributed on an "AS IS" BASIS, 13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 # See the License for the specific language governing permissions and 15 # limitations under the License. 16 # 17 18 import logging 19 20 from vts.runners.host import const 21 from vts.runners.host import asserts 22 from vts.runners.host import base_test 23 from vts.runners.host import test_runner 24 from vts.utils.python.controllers import android_device 25 26 27 class SyscallExistenceTest(base_test.BaseTestClass): 28 """Tests to verify kernel syscall interface.""" 29 TEST_SHELL_NAME = "my_shell1" 30 AARCH64__NR_name_to_handle_at = 264 31 AARCH64__NR_open_by_handle_at = 265 32 AARCH64__NR_uselib = 1077 33 34 def setUpClass(self): 35 self.dut = self.registerController(android_device)[0] 36 self.dut.shell.InvokeTerminal(self.TEST_SHELL_NAME) 37 38 def tearDown(self): 39 self.dut.shell.InvokeTerminal(self.TEST_SHELL_NAME) 40 results = getattr(self.dut.shell, self.TEST_SHELL_NAME).Execute("which ls") 41 logging.info(str(results[const.STDOUT])) 42 asserts.assertEqual(len(results[const.STDOUT]), 1) 43 asserts.assertEqual(results[const.STDOUT][0].strip(), "/system/bin/ls") 44 asserts.assertEqual(results[const.EXIT_CODE][0], 0) 45 46 def testSyscall_name_to_handle_at(self): 47 """Testcase to verify syscall [name_to_handle_at] is disabled.""" 48 if self.dut.is64Bit: 49 logging.info("testing syscall: name_to_handle_at [%d]", 50 self.AARCH64__NR_name_to_handle_at) 51 asserts.assertTrue(self.SyscallDisabled(self.AARCH64__NR_name_to_handle_at), 52 "syscall [name_to_handle_at] should be disabled") 53 else: 54 asserts.skip("32-bit not supported") 55 56 def testSyscall_open_by_handle_at(self): 57 """Testcase to verify syscall [open_by_handle_at] is disabled.""" 58 if self.dut.is64Bit: 59 logging.info("testing syscall: open_by_handle_at [%d]", 60 self.AARCH64__NR_open_by_handle_at) 61 asserts.assertTrue(self.SyscallDisabled(self.AARCH64__NR_open_by_handle_at), 62 "syscall [open_by_handle_at] should be disabled") 63 else: 64 asserts.skip("32-bit not supported") 65 66 def testSyscall_uselib(self): 67 """Testcase to verify syscall [uselib] is disabled.""" 68 if self.dut.is64Bit: 69 logging.info("testing syscall: uselib [%d]", 70 self.AARCH64__NR_uselib) 71 asserts.assertTrue(self.SyscallDisabled(self.AARCH64__NR_uselib), 72 "syscall [uselib] should be disabled") 73 else: 74 asserts.skip("32-bit not supported") 75 76 def SyscallDisabled(self, syscallid): 77 """Helper function to check if a syscall is disabled.""" 78 target = "/data/local/tmp/64/vts_test_binary_syscall_exists" 79 results = getattr(self.dut.shell, self.TEST_SHELL_NAME).Execute([ 80 "chmod 755 %s" % target, 81 "%s %d" % (target, syscallid) 82 ]) 83 return len(results[const.STDOUT]) == 2 and results[const.STDOUT][1].strip() == "n" 84 85 86 if __name__ == "__main__": 87 test_runner.main() 88
