1 /* cryptmodule.c - by Steve Majewski
2  */
3 
4 #include "Python.h"
5 
6 #include <sys/types.h>
7 
8 /* Module crypt */
9 
10 /*[clinic input]
11 module crypt
12 [clinic start generated code]*/
13 /*[clinic end generated code: output=da39a3ee5e6b4b0d input=c6252cf4f2f2ae81]*/
14 
15 #include "clinic/_cryptmodule.c.h"
16 
17 /*[clinic input]
18 crypt.crypt
19 
20     word: str
21     salt: str
22     /
23 
24 Hash a *word* with the given *salt* and return the hashed password.
25 
26 *word* will usually be a user's password.  *salt* (either a random 2 or 16
27 character string, possibly prefixed with $digit$ to indicate the method)
28 will be used to perturb the encryption algorithm and produce distinct
29 results for a given *word*.
30 
31 [clinic start generated code]*/
32 
33 static PyObject *
34 crypt_crypt_impl(PyObject *module, const char *word, const char *salt)
35 /*[clinic end generated code: output=0512284a03d2803c input=0e8edec9c364352b]*/
36 {
37     /* On some platforms (AtheOS) crypt returns NULL for an invalid
38        salt. Return None in that case. XXX Maybe raise an exception?  */
39     return Py_BuildValue("s", crypt(word, salt));
40 }
41 
42 
43 static PyMethodDef crypt_methods[] = {
44     CRYPT_CRYPT_METHODDEF
45     {NULL,              NULL}           /* sentinel */
46 };
47 
48 
49 static struct PyModuleDef cryptmodule = {
50     PyModuleDef_HEAD_INIT,
51     "_crypt",
52     NULL,
53     -1,
54     crypt_methods,
55     NULL,
56     NULL,
57     NULL,
58     NULL
59 };
60 
61 PyMODINIT_FUNC
62 PyInit__crypt(void)
63 {
64     return PyModule_Create(&cryptmodule);
65 }
66