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| author | Victor Stinner <victor.stinner@gmail.com> | 2014-07-01 14:45:52 (GMT) |
|---|---|---|
| committer | Victor Stinner <victor.stinner@gmail.com> | 2014-07-01 14:45:52 (GMT) |
| commit | 65a3144e541462821233402561b91e4d6bfe7799 (patch) | |
| tree | 180c4ee152bf7c05f3c6b9e20294f77c0eeb1210 /Modules/unicodedata.c | |
| parent | 2e57b4e488ddeabe61fe3ca579df908a921bac06 (diff) | |
| download | cpython-65a3144e541462821233402561b91e4d6bfe7799.zip cpython-65a3144e541462821233402561b91e4d6bfe7799.tar.gz cpython-65a3144e541462821233402561b91e4d6bfe7799.tar.bz2 | |
Closes #21780: make the unicodedata module "ssize_t clean" for parsing parameters
Diffstat (limited to 'Modules/unicodedata.c')
| -rw-r--r-- | Modules/unicodedata.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/Modules/unicodedata.c b/Modules/unicodedata.c index 3253db2..3979f65 100644 --- a/Modules/unicodedata.c +++ b/Modules/unicodedata.c @@ -13,6 +13,8 @@ ------------------------------------------------------------------------ */ +#define PY_SSIZE_T_CLEAN + #include "Python.h" #include "ucnhash.h" #include "structmember.h" @@ -1271,12 +1273,16 @@ unicodedata_lookup(PyObject* self, PyObject* args) Py_UCS4 code; char* name; - int namelen; + Py_ssize_t namelen; unsigned int index; if (!PyArg_ParseTuple(args, "s#:lookup", &name, &namelen)) return NULL; + if (namelen > INT_MAX) { + PyErr_SetString(PyExc_KeyError, "name too long"); + return NULL; + } - if (!_getcode(self, name, namelen, &code, 1)) { + if (!_getcode(self, name, (int)namelen, &code, 1)) { PyErr_Format(PyExc_KeyError, "undefined character name '%s'", name); return NULL; } |