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/*
Unix SMB/CIFS implementation. Xattr manipulation bindings.
Copyright (C) Matthieu Patou <mat@matws.net> 2009
Base on work of pyglue.c by Jelmer Vernooij <jelmer@samba.org> 2007 and
Matthias Dieter Wallnöfer 2009
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <Python.h>
#include "includes.h"
#include "librpc/ndr/libndr.h"
#include "system/filesys.h"
void initxattr_native(void);
static PyObject *py_is_xattr_supported(PyObject *self)
{
#if !defined(HAVE_XATTR_SUPPORT)
return Py_False;
#else
return Py_True;
#endif
}
static PyObject *py_wrap_setxattr(PyObject *self, PyObject *args)
{
char *filename, *attribute;
int ret = 0;
int blobsize;
DATA_BLOB blob;
if (!PyArg_ParseTuple(args, "sss#", &filename, &attribute, &blob.data,
&blobsize))
return NULL;
blob.length = blobsize;
ret = setxattr(filename, attribute, blob.data, blob.length, 0);
if( ret < 0 ) {
if (errno == ENOTSUP) {
PyErr_SetFromErrno(PyExc_IOError);
} else {
PyErr_SetFromErrno(PyExc_TypeError);
}
return NULL;
}
Py_RETURN_NONE;
}
static PyObject *py_wrap_getxattr(PyObject *self, PyObject *args)
{
char *filename, *attribute;
int len;
TALLOC_CTX *mem_ctx;
char *buf;
PyObject *ret;
if (!PyArg_ParseTuple(args, "ss", &filename, &attribute))
return NULL;
mem_ctx = talloc_new(NULL);
len = getxattr(filename,attribute,NULL,0);
if( len < 0 ) {
if (errno == ENOTSUP) {
PyErr_SetFromErrno(PyExc_IOError);
} else {
PyErr_SetFromErrno(PyExc_TypeError);
}
talloc_free(mem_ctx);
return NULL;
}
/* check length ... */
buf = talloc_zero_array(mem_ctx, char, len);
len = getxattr(filename, attribute, buf, len);
if( len < 0 ) {
if (errno == ENOTSUP) {
PyErr_SetFromErrno(PyExc_IOError);
} else {
PyErr_SetFromErrno(PyExc_TypeError);
}
talloc_free(mem_ctx);
return NULL;
}
ret = PyString_FromStringAndSize(buf, len);
talloc_free(mem_ctx);
return ret;
}
static PyMethodDef py_xattr_methods[] = {
{ "wrap_getxattr", (PyCFunction)py_wrap_getxattr, METH_VARARGS,
"wrap_getxattr(filename,attribute) -> blob\n"
"Retreive given attribute on the given file." },
{ "wrap_setxattr", (PyCFunction)py_wrap_setxattr, METH_VARARGS,
"wrap_setxattr(filename,attribute,value)\n"
"Set the given attribute to the given value on the given file." },
{ "is_xattr_supported", (PyCFunction)py_is_xattr_supported, METH_NOARGS,
"Return true if xattr are supported on this system\n"},
{ NULL }
};
void initxattr_native(void)
{
PyObject *m;
m = Py_InitModule3("xattr_native", py_xattr_methods,
"Python bindings for xattr manipulation.");
if (m == NULL)
return;
}
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