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/* 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[] = {

{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);

}