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Batuhan Osman TASKAYA
cpython
Commits
2b0d2007
Kaydet (Commit)
2b0d2007
authored
Nis 20, 2015
tarafından
Serhiy Storchaka
Dosyalara gözat
Seçenekler
Dosyalara Gözat
İndir
Eposta Yamaları
Sade Fark
Issue #23908: os functions now reject paths with embedded null character
on Windows instead of silently truncate them.
üst
2ef7c478
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Showing
4 changed files
with
50 additions
and
7 deletions
+50
-7
test_posix.py
Lib/test/test_posix.py
+36
-0
NEWS
Misc/NEWS
+3
-0
fileio.c
Modules/_io/fileio.c
+6
-7
posixmodule.c
Modules/posixmodule.c
+5
-0
No files found.
Lib/test/test_posix.py
Dosyayı görüntüle @
2b0d2007
...
...
@@ -1169,6 +1169,42 @@ class PosixTester(unittest.TestCase):
else
:
self
.
fail
(
"No valid path_error2() test for os."
+
name
)
def
test_path_with_null_character
(
self
):
fn
=
support
.
TESTFN
fn_with_NUL
=
fn
+
'
\0
'
self
.
addCleanup
(
support
.
unlink
,
fn
)
support
.
unlink
(
fn
)
fd
=
None
try
:
with
self
.
assertRaises
(
TypeError
):
fd
=
os
.
open
(
fn_with_NUL
,
os
.
O_WRONLY
|
os
.
O_CREAT
)
# raises
finally
:
if
fd
is
not
None
:
os
.
close
(
fd
)
self
.
assertFalse
(
os
.
path
.
exists
(
fn
))
self
.
assertRaises
(
TypeError
,
os
.
mkdir
,
fn_with_NUL
)
self
.
assertFalse
(
os
.
path
.
exists
(
fn
))
open
(
fn
,
'wb'
)
.
close
()
self
.
assertRaises
(
TypeError
,
os
.
stat
,
fn_with_NUL
)
def
test_path_with_null_byte
(
self
):
fn
=
os
.
fsencode
(
support
.
TESTFN
)
fn_with_NUL
=
fn
+
b
'
\0
'
self
.
addCleanup
(
support
.
unlink
,
fn
)
support
.
unlink
(
fn
)
fd
=
None
try
:
with
self
.
assertRaises
(
ValueError
):
fd
=
os
.
open
(
fn_with_NUL
,
os
.
O_WRONLY
|
os
.
O_CREAT
)
# raises
finally
:
if
fd
is
not
None
:
os
.
close
(
fd
)
self
.
assertFalse
(
os
.
path
.
exists
(
fn
))
self
.
assertRaises
(
ValueError
,
os
.
mkdir
,
fn_with_NUL
)
self
.
assertFalse
(
os
.
path
.
exists
(
fn
))
open
(
fn
,
'wb'
)
.
close
()
self
.
assertRaises
(
ValueError
,
os
.
stat
,
fn_with_NUL
)
class
PosixGroupsTester
(
unittest
.
TestCase
):
def
setUp
(
self
):
...
...
Misc/NEWS
Dosyayı görüntüle @
2b0d2007
...
...
@@ -29,6 +29,9 @@ Core and Builtins
Library
-------
- Issue #23908: os functions now reject paths with embedded null character
on Windows instead of silently truncate them.
- Issue #23728: binascii.crc_hqx() could return an integer outside of the range
0-0xffff for empty data.
...
...
Modules/_io/fileio.c
Dosyayı görüntüle @
2b0d2007
...
...
@@ -275,15 +275,14 @@ fileio_init(PyObject *oself, PyObject *args, PyObject *kwds)
#ifdef MS_WINDOWS
if
(
PyUnicode_Check
(
nameobj
))
{
int
rv
=
_PyUnicode_HasNULChars
(
nameobj
);
if
(
rv
)
{
if
(
rv
!=
-
1
)
PyErr_SetString
(
PyExc_TypeError
,
"embedded NUL character"
);
return
-
1
;
}
widename
=
PyUnicode_AsUnicode
(
nameobj
);
Py_ssize_t
length
;
widename
=
PyUnicode_AsUnicodeAndSize
(
nameobj
,
&
length
);
if
(
widename
==
NULL
)
return
-
1
;
if
(
wcslen
(
widename
)
!=
length
)
{
PyErr_SetString
(
PyExc_TypeError
,
"embedded NUL character"
);
return
-
1
;
}
}
else
#endif
if
(
fd
<
0
)
...
...
Modules/posixmodule.c
Dosyayı görüntüle @
2b0d2007
...
...
@@ -858,6 +858,11 @@ path_converter(PyObject *o, void *p) {
Py_DECREF
(
unicode
);
return
0
;
}
if
(
wcslen
(
wide
)
!=
length
)
{
FORMAT_EXCEPTION
(
PyExc_TypeError
,
"embedded null character"
);
Py_DECREF
(
unicode
);
return
0
;
}
path
->
wide
=
wide
;
path
->
narrow
=
NULL
;
...
...
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