diff Python/sysmodule.c @ 61790:795762b5e0d6

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 <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5983>`_. ........
author Antoine Pitrou <solipsis@pitrou.net>
date Fri, 21 May 2010 17:25:34 +0000
parents b7f71f60437b
children 0bc8ffe6ba9a
line wrap: on
line diff
--- a/Python/sysmodule.c	Fri May 21 14:55:26 2010 +0000
+++ b/Python/sysmodule.c	Fri May 21 17:25:34 2010 +0000
@@ -1668,7 +1668,7 @@
 #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 @@
         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 @@
     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(). */