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| author | Guido van Rossum <guido@python.org> | 1998-10-01 15:24:50 (GMT) |
|---|---|---|
| committer | Guido van Rossum <guido@python.org> | 1998-10-01 15:24:50 (GMT) |
| commit | 566373e974413de66ad1d627f322908597eb2efd (patch) | |
| tree | ebab60f96f9115d224389f27a66c82cac1cfd742 | |
| parent | 231c8c0895996e8c8936eef5bd2df84999e9409a (diff) | |
| download | cpython-566373e974413de66ad1d627f322908597eb2efd.zip cpython-566373e974413de66ad1d627f322908597eb2efd.tar.gz cpython-566373e974413de66ad1d627f322908597eb2efd.tar.bz2 | |
While scalling sys.modules, skip entries that don't have string keys,
to protect us from jokers who put items with non-string keys in
sys.modules. Reported by Greg Stein.
| -rw-r--r-- | Python/import.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Python/import.c b/Python/import.c index 5c8d939..c8bbc29 100644 --- a/Python/import.c +++ b/Python/import.c @@ -274,8 +274,8 @@ PyImport_Cleanup() while (PyDict_Next(modules, &pos, &key, &value)) { if (value->ob_refcnt != 1) continue; - if (PyModule_Check(value)) { - name = PyString_AsString(key); + if (PyString_Check(key) && PyModule_Check(value)) { + name = PyString_AS_STRING(key); if (strcmp(name, "__builtin__") == 0) continue; if (strcmp(name, "sys") == 0) @@ -293,8 +293,8 @@ PyImport_Cleanup() /* Next, delete all modules (still skipping __builtin__ and sys) */ pos = 0; while (PyDict_Next(modules, &pos, &key, &value)) { - if (PyModule_Check(value)) { - name = PyString_AsString(key); + if (PyString_Check(key) && PyModule_Check(value)) { + name = PyString_AS_STRING(key); if (strcmp(name, "__builtin__") == 0) continue; if (strcmp(name, "sys") == 0) |