/* UNIX password file access module */ #include "Python.h"#include "structseq.h" #include <sys/types.h>#include <pwd.h> static PyStructSequence_Field struct_pwd_type_fields[] = {	{"pw_name", "user name"},	{"pw_passwd", "password"},	{"pw_uid", "user id"},	{"pw_gid", "group id"}, 	{"pw_gecos", "real name"}, 	{"pw_dir", "home directory"},	{"pw_shell", "shell program"},	{0}}; PyDoc_STRVAR(struct_passwd__doc__,"pwd.struct_passwd: Results from getpw*() routines.\n\n\This object may be accessed either as a tuple of\n\  (pw_name,pw_passwd,pw_uid,pw_gid,pw_gecos,pw_dir,pw_shell)\n\or via the object attributes as named in the above tuple."); static PyStructSequence_Desc struct_pwd_type_desc = {	"pwd.struct_passwd",	struct_passwd__doc__,	struct_pwd_type_fields,	7,}; PyDoc_STRVAR(pwd__doc__,"This module provides access to the Unix password database.\n\It is available on all Unix versions.\n\\n\Password database entries are reported as 7-tuples containing the following\n\items from the password database (see `<pwd.h>'), in order:\n\pw_name, pw_passwd, pw_uid, pw_gid, pw_gecos, pw_dir, pw_shell.\n\The uid and gid items are integers, all others are strings. An\n\exception is raised if the entry asked for cannot be found.");       static int initialized;static PyTypeObject StructPwdType; static voidsets(PyObject *v, int i, char* val){  if (val)	  PyStructSequence_SET_ITEM(v, i, PyString_FromString(val));  else {	  PyStructSequence_SET_ITEM(v, i, Py_None);	  Py_INCREF(Py_None);  }} static PyObject *mkpwent(struct passwd *p){	int setIndex = 0;	PyObject *v = PyStructSequence_New(&StructPwdType);	if (v == NULL)		return NULL; #define SETI(i,val) PyStructSequence_SET_ITEM(v, i, PyInt_FromLong((long) val))#define SETS(i,val) sets(v, i, val) 	SETS(setIndex++, p->pw_name);#if defined( __VMS) || defined(PLAN9APE)	SETS(setIndex++, "");#else	SETS(setIndex++, p->pw_passwd);#endif	SETI(setIndex++, p->pw_uid);	SETI(setIndex++, p->pw_gid);#if defined( __VMS) || defined(PLAN9APE)	SETS(setIndex++, "");#else	SETS(setIndex++, p->pw_gecos);#endif	SETS(setIndex++, p->pw_dir);	SETS(setIndex++, p->pw_shell); #undef SETS#undef SETI 	if (PyErr_Occurred()) {		Py_XDECREF(v);		return NULL;	} 	return v;} PyDoc_STRVAR(pwd_getpwuid__doc__,"getpwuid(uid) -> (pw_name,pw_passwd,pw_uid,\n\                  pw_gid,pw_gecos,pw_dir,pw_shell)\n\Return the password database entry for the given numeric user ID.\n\See pwd.__doc__ for more on password database entries."); static PyObject *pwd_getpwuid(PyObject *self, PyObject *args){	unsigned int uid;	struct passwd *p;	if (!PyArg_ParseTuple(args, "I:getpwuid", &uid))		return NULL;	if ((p = getpwuid(uid)) == NULL) {		PyErr_Format(PyExc_KeyError,			     "getpwuid(): uid not found: %d", uid);		return NULL;	}	return mkpwent(p);} PyDoc_STRVAR(pwd_getpwnam__doc__,"getpwnam(name) -> (pw_name,pw_passwd,pw_uid,\n\                    pw_gid,pw_gecos,pw_dir,pw_shell)\n\Return the password database entry for the given user name.\n\See pwd.__doc__ for more on password database entries."); static PyObject *pwd_getpwnam(PyObject *self, PyObject *args){	char *name;	struct passwd *p;	if (!PyArg_ParseTuple(args, "s:getpwnam", &name))		return NULL;	if ((p = getpwnam(name)) == NULL) {		PyErr_Format(PyExc_KeyError,			     "getpwnam(): name not found: %s", name);		return NULL;	}	return mkpwent(p);} #ifdef HAVE_GETPWENTPyDoc_STRVAR(pwd_getpwall__doc__,"getpwall() -> list_of_entries\n\Return a list of all available password database entries, \in arbitrary order.\n\See pwd.__doc__ for more on password database entries."); static PyObject *pwd_getpwall(PyObject *self){	PyObject *d;	struct passwd *p;	if ((d = PyList_New(0)) == NULL)		return NULL;#if defined(PYOS_OS2) && defined(PYCC_GCC)	if ((p = getpwuid(0)) != NULL) {#else	setpwent();	while ((p = getpwent()) != NULL) {#endif		PyObject *v = mkpwent(p);		if (v == NULL || PyList_Append(d, v) != 0) {			Py_XDECREF(v);			Py_DECREF(d);			return NULL;		}		Py_DECREF(v);	}	endpwent();	return d;}#endif static PyMethodDef pwd_methods[] = {	{"getpwuid",	pwd_getpwuid, METH_VARARGS, pwd_getpwuid__doc__},	{"getpwnam",	pwd_getpwnam, METH_VARARGS, pwd_getpwnam__doc__},#ifdef HAVE_GETPWENT	{"getpwall",	(PyCFunction)pwd_getpwall,		METH_NOARGS,  pwd_getpwall__doc__},#endif	{NULL,		NULL}		/* sentinel */}; PyMODINIT_FUNCinitpwd(void){	PyObject *m;	m = Py_InitModule3("pwd", pwd_methods, pwd__doc__);	if (m == NULL)    		return; 	if (!initialized)		PyStructSequence_InitType(&StructPwdType, 					  &struct_pwd_type_desc);	Py_INCREF((PyObject *) &StructPwdType);	PyModule_AddObject(m, "struct_passwd", (PyObject *) &StructPwdType);	/* And for b/w compatibility (this was defined by mistake): */	PyModule_AddObject(m, "struct_pwent", (PyObject *) &StructPwdType);	initialized = 1;}