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Batuhan Osman TASKAYA
cpython
Commits
ef9efbd6
Kaydet (Commit)
ef9efbd6
authored
Agu 06, 2010
tarafından
Brian Curtin
Dosyalara gözat
Seçenekler
Dosyalara Gözat
İndir
Eposta Yamaları
Sade Fark
Fix #9324: Add parameter validation to signal.signal on Windows in order
to prevent crashes.
üst
e6fc7401
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4 changed files
with
50 additions
and
5 deletions
+50
-5
signal.rst
Doc/library/signal.rst
+4
-0
test_signal.py
Lib/test/test_signal.py
+28
-5
NEWS
Misc/NEWS
+3
-0
signalmodule.c
Modules/signalmodule.c
+15
-0
No files found.
Doc/library/signal.rst
Dosyayı görüntüle @
ef9efbd6
...
...
@@ -230,6 +230,10 @@ The :mod:`signal` module defines the following functions:
see the :ref:`description in the type hierarchy <frame-objects>` or see the
attribute descriptions in the :mod:`inspect` module).
On Windows, :func:`signal` can only be called with :const:`SIGABRT`,
:const:`SIGFPE`, :const:`SIGILL`, :const:`SIGINT`, :const:`SIGSEGV`, or
:const:`SIGTERM`. A :exc:`ValueError` will be raised in any other case.
.. _signal-example:
...
...
Lib/test/test_signal.py
Dosyayı görüntüle @
ef9efbd6
...
...
@@ -9,7 +9,7 @@ import subprocess
import
traceback
import
sys
,
os
,
time
,
errno
if
sys
.
platform
[:
3
]
in
(
'win'
,
'os2'
)
or
sys
.
platform
==
'riscos'
:
if
sys
.
platform
==
'os2'
or
sys
.
platform
==
'riscos'
:
raise
unittest
.
SkipTest
(
"Can't test signal on
%
s"
%
\
sys
.
platform
)
...
...
@@ -37,6 +37,7 @@ def ignoring_eintr(__func, *args, **kwargs):
return
None
@unittest.skipIf
(
sys
.
platform
==
"win32"
,
"Not valid on Windows"
)
class
InterProcessSignalTests
(
unittest
.
TestCase
):
MAX_DURATION
=
20
# Entire test should last at most 20 sec.
...
...
@@ -186,6 +187,7 @@ class InterProcessSignalTests(unittest.TestCase):
self
.
MAX_DURATION
)
@unittest.skipIf
(
sys
.
platform
==
"win32"
,
"Not valid on Windows"
)
class
BasicSignalTests
(
unittest
.
TestCase
):
def
trivial_signal_handler
(
self
,
*
args
):
pass
...
...
@@ -208,6 +210,23 @@ class BasicSignalTests(unittest.TestCase):
self
.
assertEquals
(
signal
.
getsignal
(
signal
.
SIGHUP
),
hup
)
@unittest.skipUnless
(
sys
.
platform
==
"win32"
,
"Windows specific"
)
class
WindowsSignalTests
(
unittest
.
TestCase
):
def
test_issue9324
(
self
):
handler
=
lambda
x
,
y
:
None
signal
.
signal
(
signal
.
SIGABRT
,
handler
)
signal
.
signal
(
signal
.
SIGFPE
,
handler
)
signal
.
signal
(
signal
.
SIGILL
,
handler
)
signal
.
signal
(
signal
.
SIGINT
,
handler
)
signal
.
signal
(
signal
.
SIGSEGV
,
handler
)
signal
.
signal
(
signal
.
SIGTERM
,
handler
)
with
self
.
assertRaises
(
ValueError
):
signal
.
signal
(
-
1
,
handler
)
sinal
.
signal
(
7
,
handler
)
@unittest.skipIf
(
sys
.
platform
==
"win32"
,
"Not valid on Windows"
)
class
WakeupSignalTests
(
unittest
.
TestCase
):
TIMEOUT_FULL
=
10
TIMEOUT_HALF
=
5
...
...
@@ -253,14 +272,15 @@ class WakeupSignalTests(unittest.TestCase):
os
.
close
(
self
.
write
)
signal
.
signal
(
signal
.
SIGALRM
,
self
.
alrm
)
@unittest.skipIf
(
sys
.
platform
==
"win32"
,
"Not valid on Windows"
)
class
SiginterruptTest
(
unittest
.
TestCase
):
signum
=
signal
.
SIGUSR1
def
setUp
(
self
):
"""Install a no-op signal handler that can be set to allow
interrupts or not, and arrange for the original signal handler to be
re-installed when the test is finished.
"""
self
.
signum
=
signal
.
SIGUSR1
oldhandler
=
signal
.
signal
(
self
.
signum
,
lambda
x
,
y
:
None
)
self
.
addCleanup
(
signal
.
signal
,
self
.
signum
,
oldhandler
)
...
...
@@ -354,7 +374,7 @@ class SiginterruptTest(unittest.TestCase):
self
.
assertFalse
(
i
)
@unittest.skipIf
(
sys
.
platform
==
"win32"
,
"Not valid on Windows"
)
class
ItimerTest
(
unittest
.
TestCase
):
def
setUp
(
self
):
self
.
hndl_called
=
False
...
...
@@ -463,8 +483,11 @@ class ItimerTest(unittest.TestCase):
self
.
assertEqual
(
self
.
hndl_called
,
True
)
def
test_main
():
support
.
run_unittest
(
BasicSignalTests
,
InterProcessSignalTests
,
WakeupSignalTests
,
SiginterruptTest
,
ItimerTest
)
if
sys
.
platform
==
"win32"
:
support
.
run_unittest
(
WindowsSignalTests
)
else
:
support
.
run_unittest
(
BasicSignalTests
,
InterProcessSignalTests
,
WakeupSignalTests
,
SiginterruptTest
,
ItimerTest
)
if
__name__
==
"__main__"
:
...
...
Misc/NEWS
Dosyayı görüntüle @
ef9efbd6
...
...
@@ -24,6 +24,9 @@ Core and Builtins
Extensions
----------
- Issue #9324: Add parameter validation to signal.signal on Windows in order
to prevent crashes.
- Issue #9526: Remove some outdated (int) casts that were preventing
the array module from working correctly with arrays of more than
2**31 elements.
...
...
Modules/signalmodule.c
Dosyayı görüntüle @
ef9efbd6
...
...
@@ -255,8 +255,23 @@ signal_signal(PyObject *self, PyObject *args)
int
sig_num
;
PyObject
*
old_handler
;
void
(
*
func
)(
int
);
#ifdef MS_WINDOWS
int
cur_sig
,
num_valid_sigs
=
6
;
static
int
valid_sigs
[]
=
{
SIGABRT
,
SIGFPE
,
SIGILL
,
SIGINT
,
SIGSEGV
,
SIGTERM
};
BOOL
valid_sig
=
FALSE
;
#endif
if
(
!
PyArg_ParseTuple
(
args
,
"iO:signal"
,
&
sig_num
,
&
obj
))
return
NULL
;
#ifdef MS_WINDOWS
/* Validate that sig_num is one of the allowable signals */
for
(
cur_sig
=
0
;
cur_sig
<
num_valid_sigs
;
cur_sig
++
)
valid_sig
|=
(
sig_num
==
valid_sigs
[
cur_sig
]);
if
(
!
valid_sig
)
{
PyErr_SetString
(
PyExc_ValueError
,
"signal number out of range"
);
return
NULL
;
}
#endif
#ifdef WITH_THREAD
if
(
PyThread_get_thread_ident
()
!=
main_thread
)
{
PyErr_SetString
(
PyExc_ValueError
,
...
...
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