From f978facc0e81bed85c990612401a63954542aebc Mon Sep 17 00:00:00 2001 From: Antoine Pitrou Date: Fri, 21 May 2010 17:25:34 +0000 Subject: Merged revisions 81398 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r81398 | antoine.pitrou | 2010-05-21 19:12:38 +0200 (ven., 21 mai 2010) | 6 lines Issue #5753: A new C API function, :cfunc:`PySys_SetArgvEx`, allows embedders of the interpreter to set sys.argv without also modifying sys.path. This helps fix `CVE-2008-5983 `_. ........ --- Python/sysmodule.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) (limited to 'Python/sysmodule.c') diff --git a/Python/sysmodule.c b/Python/sysmodule.c index ce06d7d3fec..77b120fbe2e 100644 --- a/Python/sysmodule.c +++ b/Python/sysmodule.c @@ -1668,7 +1668,7 @@ _wrealpath(const wchar_t *path, wchar_t *resolved_path) #endif void -PySys_SetArgv(int argc, wchar_t **argv) +PySys_SetArgvEx(int argc, wchar_t **argv, int updatepath) { #if defined(HAVE_REALPATH) wchar_t fullpath[MAXPATHLEN]; @@ -1681,7 +1681,7 @@ PySys_SetArgv(int argc, wchar_t **argv) Py_FatalError("no mem for sys.argv"); if (PySys_SetObject("argv", av) != 0) Py_FatalError("can't assign sys.argv"); - if (path != NULL) { + if (updatepath && path != NULL) { wchar_t *argv0 = argv[0]; wchar_t *p = NULL; Py_ssize_t n = 0; @@ -1768,6 +1768,12 @@ PySys_SetArgv(int argc, wchar_t **argv) Py_DECREF(av); } +void +PySys_SetArgv(int argc, wchar_t **argv) +{ + PySys_SetArgvEx(argc, argv, 1); +} + /* Reimplementation of PyFile_WriteString() no calling indirectly PyErr_CheckSignals(): avoid the call to PyObject_Str(). */ -- cgit v1.2.3