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M½Ö4hŸ4&›­¿tès´%FìL¥£Ãk‰ÇT¤haÁ¤ÚxfÉ`ÑìË›>i 3t‚:,–+^÷´–{Û–Nxi"x‘Ûg î¨>¥Õ܁ùZH,2Û“:8xÊ¢Çí9.É-Ìâã-=çjwµS˜dütžçwýGòú®®ûº_ˆýx$–¡ãøO EÚÛÏ÷R„×w+3£Á£öUMyR²¹âŒ°š›¸Ñãò9§Ó_Dl+Ùßc›úšGÅÌc†Ž!Ko=¶.‘Îÿ c²(2®V mª.ÿ ¹B›¹å ù„öŸSV>™ü¯$y:G¢Z×àøúdî¹û­·ýÇ´:•c LÍõi_‹ö+ÎæGÊè>OŠ•äž´§Þ{X}¨1ÚTc›»Qþ•êô°t¿OP?eæ~É{5]•ÙR£r5†nZ\ã@ &îJõ ¾àC°þV>fé¥/ü5ñÊIº_é5 ;e­h<@ Ä&æÃëE%;X,ÒãÆÞ`Oò¦kŸm#˜!ÀyÄ¢| óLšò¥Ä` ¶R=|ÈCâh5ò3DˆïF†ðÒ#ÅìÛœ?¸yhBãœí ZxßÎÄhºRK„`Þödvײ™ÀÈÑÒgŒuY w³%†ƒÓzõ ÖÏp‚dH®¦A´ù§»ÓÇMæ~)ˆð‡û:ù&Ä •vGD´À n ݇¼Ö8Fö óáà£~Ë¥x`oK|Ä?fxiØü%pìR>éò+Û±éÎ>núlFŤ'tq8LZÏvÃ?„¡ß±È⽆¯³íü@x|PöUäèØã¡ð‚ŒAìÏ"vÍwóŸÍ{ ý0.z È•Ö{,N¡£¡ŸKÕÙž>Ýœþ ÍÀ°<×EA!Å‚D™IúOÍ¡>ôG}Â` ÍßkÜL™Ž Þð™ {IøF²¹òQ3&!ÃÂÞz.d&Ï-sH¸,Ôõ˜ŽP€ 77ˆÝ¼ÊëÜw =cÕ Ú,ØÐ5ÎYÐ)ì´öœgŒ[¤ßv㙑8心>h]§µháYš£²ºÑ.{Ï7Sð•?´~×SÃKýJÛ˜ ™Íäiúu<µX¶1õ^kâçIÑ£sZ4h>j*ÔšD:4­¿_ ÷¸ Õxæÿ ¸?Mù _•­ÊÐ ä ÷ý ÑwL œ­ïnTkÛUÍN©ë:¦fV ¶ÜÔÜMªÅâA½–¿R×TXš-%iTÊT•‡Ù‚JôϐZxWÑè‰f‰òG º ×Õû2aZ7OU3[“×AT–ÞŒ…-‘¤”Ì ì&(ˆ¿­•ƒkï’:ðY¦W‘ Å)“†‘˜³Åtcø˜ñTÂwÚÇ4|üLÇªí–v- qˆèU qPE.†â‘˜µ Æ,ÐÅs]8¾„oúÑ i>ÜxxÈó)ƒ ´æÁâØ$À‰vžŸf$Ž |ãw;ÀÁIJ»b` {¦Ó¤Ú$©YÀ‘n@Óïž«9J¼êG m¤ ܯ¹ÌW4€ÐÒÅÛ‡#褕Ÿn-?í|с¥÷Ú¹¬'´ÞÜ9ÓK `hê£SÄSà?7—Wí_´…óB›»:=Ãïq`<8ñÓŒÑlú2d¬ê³£hÖ[l|$vÝro~'R®‰§°ñmY ͧäP |PUª¹·:3Œ[Û{Xÿ ºâ@‚W–Äé u‚ ¯´*=íή.pûÒdt @G‰¬ s¸ ëÉücr ÞæѨÊ@>¤¢Ö±. Þ'¯°ÌME[YéïĵÂCå½ Ué©Áû'Ê9%eÔðNU”ë‘ÌsD3/®+UI˜9h.WC”빓$#:pz:YÓ ¿xž* ³$Í +$kñAŠ‹†¢ Uê>¸)_š¬÷©ßAÂÔb9ÇU ¯¾á•9¯ÏÏ÷O÷¼¼Fähal1‰3Ì[Ïr•´UCksNÐ] R‘¸¥H+§Šé†c©vÖÞ0iÓ76s†î!§=ß ¼~Ô'°Ãmäoäš³ªøi1úÉ)³yV8 CLÄØÁ‘WYïi€H6ÖÑiámø^ÈY´°Ñ7¥Û*—Ñ©L«Qƒï—Ùrÿ ›£Ð*š¸ˆL©ˆ$ˆ ÷¾D§9È®«qbqC)–ˆïv´çñsÑVT­Ø, <àïºÀO«Jý·õ àfPìð .wFšir´þ’2_Y *Æ€x\« ì€9š@ Ž|F⇥ˆkZ@hÖÄ0t¿-<“‹qµ¾*ZL¤Ú)&BJpÓF5=$„at*Zš$’ÑtdûÝRI1 2Ž‰$€$I$#‰SÞ’Hë¬ï;Á$¡t$’`<(ñÇt)$‡Ð.Êf¢X’Kt=Éé$‚ˆªè¢oÝëòI%Rgcª÷ŠyI%¡‰ÿ !ñ)´õ $¤ Ô’IIGÿÙ"""This script contains the actual auditing tests. It should not be imported directly, but should be run by the test_audit module with arguments identifying each test. """ import contextlib import os import sys class TestHook: """Used in standard hook tests to collect any logged events. Should be used in a with block to ensure that it has no impact after the test completes. """ def __init__(self, raise_on_events=None, exc_type=RuntimeError): self.raise_on_events = raise_on_events or () self.exc_type = exc_type self.seen = [] self.closed = False def __enter__(self, *a): sys.addaudithook(self) return self def __exit__(self, *a): self.close() def close(self): self.closed = True @property def seen_events(self): return [i[0] for i in self.seen] def __call__(self, event, args): if self.closed: return self.seen.append((event, args)) if event in self.raise_on_events: raise self.exc_type("saw event " + event) # Simple helpers, since we are not in unittest here def assertEqual(x, y): if x != y: raise AssertionError(f"{x!r} should equal {y!r}") def assertIn(el, series): if el not in series: raise AssertionError(f"{el!r} should be in {series!r}") def assertNotIn(el, series): if el in series: raise AssertionError(f"{el!r} should not be in {series!r}") def assertSequenceEqual(x, y): if len(x) != len(y): raise AssertionError(f"{x!r} should equal {y!r}") if any(ix != iy for ix, iy in zip(x, y)): raise AssertionError(f"{x!r} should equal {y!r}") @contextlib.contextmanager def assertRaises(ex_type): try: yield assert False, f"expected {ex_type}" except BaseException as ex: if isinstance(ex, AssertionError): raise assert type(ex) is ex_type, f"{ex} should be {ex_type}" def test_basic(): with TestHook() as hook: sys.audit("test_event", 1, 2, 3) assertEqual(hook.seen[0][0], "test_event") assertEqual(hook.seen[0][1], (1, 2, 3)) def test_block_add_hook(): # Raising an exception should prevent a new hook from being added, # but will not propagate out. with TestHook(raise_on_events="sys.addaudithook") as hook1: with TestHook() as hook2: sys.audit("test_event") assertIn("test_event", hook1.seen_events) assertNotIn("test_event", hook2.seen_events) def test_block_add_hook_baseexception(): # Raising BaseException will propagate out when adding a hook with assertRaises(BaseException): with TestHook( raise_on_events="sys.addaudithook", exc_type=BaseException ) as hook1: # Adding this next hook should raise BaseException with TestHook() as hook2: pass def test_marshal(): import marshal o = ("a", "b", "c", 1, 2, 3) payload = marshal.dumps(o) with TestHook() as hook: assertEqual(o, marshal.loads(marshal.dumps(o))) try: with open("test-marshal.bin", "wb") as f: marshal.dump(o, f) with open("test-marshal.bin", "rb") as f: assertEqual(o, marshal.load(f)) finally: os.unlink("test-marshal.bin") actual = [(a[0], a[1]) for e, a in hook.seen if e == "marshal.dumps"] assertSequenceEqual(actual, [(o, marshal.version)] * 2) actual = [a[0] for e, a in hook.seen if e == "marshal.loads"] assertSequenceEqual(actual, [payload]) actual = [e for e, a in hook.seen if e == "marshal.load"] assertSequenceEqual(actual, ["marshal.load"]) def test_pickle(): import pickle class PicklePrint: def __reduce_ex__(self, p): return str, ("Pwned!",) payload_1 = pickle.dumps(PicklePrint()) payload_2 = pickle.dumps(("a", "b", "c", 1, 2, 3)) # Before we add the hook, ensure our malicious pickle loads assertEqual("Pwned!", pickle.loads(payload_1)) with TestHook(raise_on_events="pickle.find_class") as hook: with assertRaises(RuntimeError): # With the hook enabled, loading globals is not allowed pickle.loads(payload_1) # pickles with no globals are okay pickle.loads(payload_2) def test_monkeypatch(): class A: pass class B: pass class C(A): pass a = A() with TestHook() as hook: # Catch name changes C.__name__ = "X" # Catch type changes C.__bases__ = (B,) # Ensure bypassing __setattr__ is still caught type.__dict__["__bases__"].__set__(C, (B,)) # Catch attribute replacement C.__init__ = B.__init__ # Catch attribute addition C.new_attr = 123 # Catch class changes a.__class__ = B actual = [(a[0], a[1]) for e, a in hook.seen if e == "object.__setattr__"] assertSequenceEqual( [(C, "__name__"), (C, "__bases__"), (C, "__bases__"), (a, "__class__")], actual ) def test_open(): # SSLContext.load_dh_params uses _Py_fopen_obj rather than normal open() try: import ssl load_dh_params = ssl.create_default_context().load_dh_params except ImportError: load_dh_params = None # Try a range of "open" functions. # All of them should fail with TestHook(raise_on_events={"open"}) as hook: for fn, *args in [ (open, sys.argv[2], "r"), (open, sys.executable, "rb"), (open, 3, "wb"), (open, sys.argv[2], "w", -1, None, None, None, False, lambda *a: 1), (load_dh_params, sys.argv[2]), ]: if not fn: continue with assertRaises(RuntimeError): fn(*args) actual_mode = [(a[0], a[1]) for e, a in hook.seen if e == "open" and a[1]] actual_flag = [(a[0], a[2]) for e, a in hook.seen if e == "open" and not a[1]] assertSequenceEqual( [ i for i in [ (sys.argv[2], "r"), (sys.executable, "r"), (3, "w"), (sys.argv[2], "w"), (sys.argv[2], "rb") if load_dh_params else None, ] if i is not None ], actual_mode, ) assertSequenceEqual([], actual_flag) def test_cantrace(): traced = [] def trace(frame, event, *args): if frame.f_code == TestHook.__call__.__code__: traced.append(event) old = sys.settrace(trace) try: with TestHook() as hook: # No traced call eval("1") # No traced call hook.__cantrace__ = False eval("2") # One traced call hook.__cantrace__ = True eval("3") # Two traced calls (writing to private member, eval) hook.__cantrace__ = 1 eval("4") # One traced call (writing to private member) hook.__cantrace__ = 0 finally: sys.settrace(old) assertSequenceEqual(["call"] * 4, traced) def test_mmap(): import mmap with TestHook() as hook: mmap.mmap(-1, 8) assertEqual(hook.seen[0][1][:2], (-1, 8)) def test_excepthook(): def excepthook(exc_type, exc_value, exc_tb): if exc_type is not RuntimeError: sys.__excepthook__(exc_type, exc_value, exc_tb) def hook(event, args): if event == "sys.excepthook": if not isinstance(args[2], args[1]): raise TypeError(f"Expected isinstance({args[2]!r}, " f"{args[1]!r})") if args[0] != excepthook: raise ValueError(f"Expected {args[0]} == {excepthook}") print(event, repr(args[2])) sys.addaudithook(hook) sys.excepthook = excepthook raise RuntimeError("fatal-error") def test_unraisablehook(): from _testcapi import write_unraisable_exc def unraisablehook(hookargs): pass def hook(event, args): if event == "sys.unraisablehook": if args[0] != unraisablehook: raise ValueError(f"Expected {args[0]} == {unraisablehook}") print(event, repr(args[1].exc_value), args[1].err_msg) sys.addaudithook(hook) sys.unraisablehook = unraisablehook write_unraisable_exc(RuntimeError("nonfatal-error"), "for audit hook test", None) def test_winreg(): from winreg import OpenKey, EnumKey, CloseKey, HKEY_LOCAL_MACHINE def hook(event, args): if not event.startswith("winreg."): return print(event, *args) sys.addaudithook(hook) k = OpenKey(HKEY_LOCAL_MACHINE, "Software") EnumKey(k, 0) try: EnumKey(k, 10000) except OSError: pass else: raise RuntimeError("Expected EnumKey(HKLM, 10000) to fail") kv = k.Detach() CloseKey(kv) def test_socket(): import socket def hook(event, args): if event.startswith("socket."): print(event, *args) sys.addaudithook(hook) socket.gethostname() # Don't care if this fails, we just want the audit message sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM) try: # Don't care if this fails, we just want the audit message sock.bind(('127.0.0.1', 8080)) except Exception: pass finally: sock.close() def test_gc(): import gc def hook(event, args): if event.startswith("gc."): print(event, *args) sys.addaudithook(hook) gc.get_objects(generation=1) x = object() y = [x] gc.get_referrers(x) gc.get_referents(y) def test_not_in_gc(): import gc hook = lambda *a: None sys.addaudithook(hook) for o in gc.get_objects(): if isinstance(o, list): assert hook not in o if __name__ == "__main__": from test.support import suppress_msvcrt_asserts suppress_msvcrt_asserts() test = sys.argv[1] globals()[test]()