mirror of https://github.com/python/cpython
118 lines
2.8 KiB
C
118 lines
2.8 KiB
C
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/* UNIX password file access module */
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#include "Python.h"
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#include <sys/types.h>
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#include <pwd.h>
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static char pwd__doc__ [] = "\
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This module provides access to the Unix password database.\n\
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It is available on all Unix versions.\n\
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\n\
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Password database entries are reported as 7-tuples containing the following\n\
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items from the password database (see `<pwd.h>'), in order:\n\
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pw_name, pw_passwd, pw_uid, pw_gid, pw_gecos, pw_dir, pw_shell.\n\
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The uid and gid items are integers, all others are strings. An\n\
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exception is raised if the entry asked for cannot be found.";
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static PyObject *
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mkpwent(struct passwd *p)
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{
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return Py_BuildValue(
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"(ssllsss)",
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p->pw_name,
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p->pw_passwd,
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(long)p->pw_uid,
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(long)p->pw_gid,
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p->pw_gecos,
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p->pw_dir,
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p->pw_shell);
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}
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static char pwd_getpwuid__doc__[] = "\
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getpwuid(uid) -> entry\n\
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Return the password database entry for the given numeric user ID.\n\
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See pwd.__doc__ for more on password database entries.";
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static PyObject *
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pwd_getpwuid(PyObject *self, PyObject *args)
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{
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int uid;
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struct passwd *p;
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if (!PyArg_Parse(args, "i", &uid))
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return NULL;
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if ((p = getpwuid(uid)) == NULL) {
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PyErr_SetString(PyExc_KeyError, "getpwuid(): uid not found");
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return NULL;
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}
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return mkpwent(p);
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}
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static char pwd_getpwnam__doc__[] = "\
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getpwnam(name) -> entry\n\
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Return the password database entry for the given user name.\n\
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See pwd.__doc__ for more on password database entries.";
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static PyObject *
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pwd_getpwnam(PyObject *self, PyObject *args)
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{
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char *name;
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struct passwd *p;
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if (!PyArg_Parse(args, "s", &name))
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return NULL;
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if ((p = getpwnam(name)) == NULL) {
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PyErr_SetString(PyExc_KeyError, "getpwnam(): name not found");
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return NULL;
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}
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return mkpwent(p);
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}
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#ifdef HAVE_GETPWENT
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static char pwd_getpwall__doc__[] = "\
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getpwall() -> list_of_entries\n\
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Return a list of all available password database entries, \
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in arbitrary order.\n\
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See pwd.__doc__ for more on password database entries.";
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static PyObject *
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pwd_getpwall(PyObject *self, PyObject *args)
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{
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PyObject *d;
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struct passwd *p;
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if (!PyArg_NoArgs(args))
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return NULL;
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if ((d = PyList_New(0)) == NULL)
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return NULL;
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setpwent();
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while ((p = getpwent()) != NULL) {
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PyObject *v = mkpwent(p);
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if (v == NULL || PyList_Append(d, v) != 0) {
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Py_XDECREF(v);
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Py_DECREF(d);
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return NULL;
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}
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Py_DECREF(v);
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}
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endpwent();
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return d;
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}
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#endif
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static PyMethodDef pwd_methods[] = {
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{"getpwuid", pwd_getpwuid, METH_OLDARGS, pwd_getpwuid__doc__},
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{"getpwnam", pwd_getpwnam, METH_OLDARGS, pwd_getpwnam__doc__},
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#ifdef HAVE_GETPWENT
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{"getpwall", pwd_getpwall, METH_OLDARGS, pwd_getpwall__doc__},
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#endif
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{NULL, NULL} /* sentinel */
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};
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DL_EXPORT(void)
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initpwd(void)
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{
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Py_InitModule4("pwd", pwd_methods, pwd__doc__,
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(PyObject *)NULL, PYTHON_API_VERSION);
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}
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