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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); 
}