def test_02_decode_max(self):
pid = os.fork()
if not pid: # child
trace.me()
os.kill(os.getpid(), signal.SIGSTOP)
open('/dev/null', 'r')
os._exit(0)
else: # parent
pid, status = os.waitpid(pid, 0)
self.assert_(os.WIFSTOPPED(status), "%#x" % status)
self.assertEqual(os.WSTOPSIG(status), signal.SIGSTOP, "%#x" % status)
# Loop until we get to the open() system call as there's no
# guarantee that other system calls won't be called beforehand.
while True:
trace.syscall_entry(pid, 0)
pid, status = os.waitpid(pid, 0)
self.assert_(os.WIFSTOPPED(status), "%#x" % status)
self.assertEqual(os.WSTOPSIG(status), signal.SIGTRAP, "%#x" % status)
scno = syscall.get_no(pid)
name = syscall.name(scno)
if name == 'open':
path = string.decode(pid, 0, 9)
self.assertEqual(path, '/dev/null')
break
try: trace.kill(pid)
except OSError: pass
def test_02_set_no(self):
pid = os.fork()
if not pid: # child
trace.me()
os.kill(os.getpid(), signal.SIGSTOP)
os.kill(os.getpid(), 0)
os._exit(0)
else: # parent
pid, status = os.waitpid(pid, 0)
self.assert_(os.WIFSTOPPED(status), "%#x" % status)
self.assertEqual(os.WSTOPSIG(status), signal.SIGSTOP, "%#x" % status)
# Loop until we get to the kill() system call as there's no
# guarantee that other system calls won't be called beforehand.
while True:
trace.syscall_entry(pid, 0)
pid, status = os.waitpid(pid, 0)
self.assert_(os.WIFSTOPPED(status), "%#x" % status)
self.assertEqual(os.WSTOPSIG(status), signal.SIGTRAP, "%#x" % status)
scno = syscall.get_no(pid)
name = syscall.name(scno)
if name == 'kill':
syscall.set_no(pid, syscall.INVALID)
scno = syscall.get_no(pid)
self.assertEqual(scno, syscall.INVALID)
break
try: trace.kill(pid)
except OSError: pass
def test_02_decode_max(self):
pid = os.fork()
if not pid: # child
trace.me()
os.kill(os.getpid(), signal.SIGSTOP)
os.execvp('true', ('/dev/null',))
os._exit(0)
else: # parent
pid, status = os.waitpid(pid, 0)
self.assert_(os.WIFSTOPPED(status), "%#x" % status)
self.assertEqual(os.WSTOPSIG(status), signal.SIGSTOP, "%#x" % status)
# Loop until we get to the open() system call as there's no
# guarantee that other system calls won't be called beforehand.
while True:
trace.syscall_entry(pid, 0)
pid, status = os.waitpid(pid, 0)
self.assert_(os.WIFSTOPPED(status), "%#x" % status)
self.assertEqual(os.WSTOPSIG(status), signal.SIGTRAP, "%#x" % status)
scno = syscall.get_no(pid)
name = syscall.name(scno)
if name == 'execve':
arg = syscall.get_arg(pid, 1)
path = strarray.decode(pid, arg, 0, 9)
self.assertEqual(path, '/dev/null')
break
try: trace.kill(pid)
except OSError: pass
def test_01_decode(self):
pid = os.fork()
if not pid: # child
trace.me()
os.kill(os.getpid(), signal.SIGSTOP)
os.execvp("true", ("/dev/null",))
os._exit(0)
else: # parent
pid, status = os.waitpid(pid, 0)
self.assert_(os.WIFSTOPPED(status), "%#x" % status)
self.assertEqual(os.WSTOPSIG(status), signal.SIGSTOP, "%#x" % status)
# Loop until we get to the open() system call as there's no
# guarantee that other system calls won't be called beforehand.
while True:
trace.syscall_entry(pid, 0)
pid, status = os.waitpid(pid, 0)
self.assert_(os.WIFSTOPPED(status), "%#x" % status)
self.assertEqual(os.WSTOPSIG(status), signal.SIGTRAP, "%#x" % status)
scno = syscall.get_no(pid)
name = syscall.name(scno)
if name == "execve":
arg = syscall.get_arg(pid, 1)
path = strarray.decode(pid, arg, 0)
self.assertEqual(path, "/dev/null")
break
try:
trace.kill(pid)
except OSError:
pass
def test_04_get_ret_fail(self):
pid = os.fork()
if not pid: # child
trace.me()
os.kill(os.getpid(), signal.SIGSTOP)
try:
open('')
except IOError:
pass
os._exit(0)
else: # parent
pid, status = os.waitpid(pid, 0)
self.assert_(os.WIFSTOPPED(status), "%#x" % status)
self.assertEqual(os.WSTOPSIG(status), signal.SIGSTOP, "%#x" % status)
# Loop until we get to the open() system call as there's no
# guarantee that other system calls won't be called beforehand.
stop_at_exit = False
while True:
if stop_at_exit:
trace.syscall_exit(pid, 0)
else:
trace.syscall_entry(pid, 0)
pid, status = os.waitpid(pid, 0)
self.assert_(os.WIFSTOPPED(status), "%#x" % status)
self.assertEqual(os.WSTOPSIG(status), signal.SIGTRAP, "%#x" % status)
scno = syscall.get_no(pid)
name = syscall.name(scno)
if name == 'open':
stop_at_exit = True
continue
elif stop_at_exit:
ret = syscall.get_ret(pid)
self.assertEqual(ret, -errno.ENOENT)
break
try: trace.kill(pid)
except OSError: pass