Library import 16 (#2433)

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1 files changed, 81 insertions, 0 deletions

diff --git a/contrib/tools/python3/Modules/_cryptmodule.c b/contrib/tools/python3/Modules/_cryptmodule.c
new file mode 100644
index 0000000000..75035084c9
--- /dev/null
+++ b/contrib/tools/python3/Modules/_cryptmodule.c
@@ -0,0 +1,81 @@
+/* cryptmodule.c - by Steve Majewski
+ */
+
+#include "Python.h"
+
+#include <sys/types.h>
+#ifdef HAVE_CRYPT_H
+#include <crypt.h>
+#endif
+
+/* Module crypt */
+
+/*[clinic input]
+module crypt
+[clinic start generated code]*/
+/*[clinic end generated code: output=da39a3ee5e6b4b0d input=c6252cf4f2f2ae81]*/
+
+#include "clinic/_cryptmodule.c.h"
+
+/*[clinic input]
+crypt.crypt
+
+    word: str
+    salt: str
+    /
+
+Hash a *word* with the given *salt* and return the hashed password.
+
+*word* will usually be a user's password.  *salt* (either a random 2 or 16
+character string, possibly prefixed with $digit$ to indicate the method)
+will be used to perturb the encryption algorithm and produce distinct
+results for a given *word*.
+
+[clinic start generated code]*/
+
+static PyObject *
+crypt_crypt_impl(PyObject *module, const char *word, const char *salt)
+/*[clinic end generated code: output=0512284a03d2803c input=0e8edec9c364352b]*/
+{
+    char *crypt_result;
+#ifdef HAVE_CRYPT_R
+    struct crypt_data data;
+    memset(&data, 0, sizeof(data));
+    crypt_result = crypt_r(word, salt, &data);
+#else
+    crypt_result = crypt(word, salt);
+#endif
+    if (crypt_result == NULL) {
+        return PyErr_SetFromErrno(PyExc_OSError);
+    }
+    return Py_BuildValue("s", crypt_result);
+}
+
+
+static PyMethodDef crypt_methods[] = {
+    CRYPT_CRYPT_METHODDEF
+    {NULL,              NULL}           /* sentinel */
+};
+
+static PyModuleDef_Slot _crypt_slots[] = {
+    {Py_mod_multiple_interpreters, Py_MOD_PER_INTERPRETER_GIL_SUPPORTED},
+    {0, NULL}
+};
+
+static struct PyModuleDef cryptmodule = {
+    PyModuleDef_HEAD_INIT,
+    "_crypt",
+    NULL,
+    0,
+    crypt_methods,
+    _crypt_slots,
+    NULL,
+    NULL,
+    NULL
+};
+
+PyMODINIT_FUNC
+PyInit__crypt(void)
+{
+    return PyModuleDef_Init(&cryptmodule);
+}