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/*
Unix SMB/CIFS implementation. Xattr manipulation bindings.
Copyright (C) Matthieu Patou <mat@matws.net> 2009-2010
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 "lib/replace/system/python.h"
#include "python/py3compat.h"
#include "includes.h"
#include "system/filesys.h"
#include <tdb.h>
#include "lib/tdb_wrap/tdb_wrap.h"
#include "librpc/ndr/libndr.h"
#include "ntvfs/posix/posix_eadb.h"
#include "libcli/util/pyerrors.h"
#include "param/pyparam.h"
static PyObject *py_is_xattr_supported(PyObject *self,
PyObject *Py_UNUSED(ignored))
{
Py_RETURN_TRUE;
}
static PyObject *py_wrap_setxattr(PyObject *self, PyObject *args)
{
char *filename, *attribute, *tdbname;
DATA_BLOB blob;
Py_ssize_t blobsize;
NTSTATUS status;
TALLOC_CTX *mem_ctx;
struct tdb_wrap *eadb;
if (!PyArg_ParseTuple(args, "sss"PYARG_BYTES_LEN, &tdbname, &filename, &attribute,
&blob.data, &blobsize))
return NULL;
blob.length = blobsize;
mem_ctx = talloc_new(NULL);
eadb = tdb_wrap_open(
mem_ctx, tdbname, 50000,
lpcfg_tdb_flags(py_default_loadparm_context(mem_ctx),
TDB_DEFAULT),
O_RDWR|O_CREAT, 0600);
if (eadb == NULL) {
PyErr_SetFromErrno(PyExc_IOError);
talloc_free(mem_ctx);
return NULL;
}
status = push_xattr_blob_tdb_raw(eadb, attribute, filename, -1,
&blob);
if (!NT_STATUS_IS_OK(status)) {
PyErr_SetNTSTATUS(status);
talloc_free(mem_ctx);
return NULL;
}
talloc_free(mem_ctx);
Py_RETURN_NONE;
}
static PyObject *py_wrap_getxattr(PyObject *self, PyObject *args)
{
char *filename, *attribute, *tdbname;
TALLOC_CTX *mem_ctx;
DATA_BLOB blob;
PyObject *ret;
NTSTATUS status;
struct tdb_wrap *eadb = NULL;
if (!PyArg_ParseTuple(args, "sss", &tdbname, &filename, &attribute))
return NULL;
mem_ctx = talloc_new(NULL);
eadb = tdb_wrap_open(
mem_ctx, tdbname, 50000,
lpcfg_tdb_flags(py_default_loadparm_context(mem_ctx),
TDB_DEFAULT),
O_RDWR|O_CREAT, 0600);
if (eadb == NULL) {
PyErr_SetFromErrno(PyExc_IOError);
talloc_free(mem_ctx);
return NULL;
}
status = pull_xattr_blob_tdb_raw(eadb, mem_ctx, attribute, filename,
-1, 100, &blob);
if (!NT_STATUS_IS_OK(status)) {
PyErr_SetNTSTATUS(status);
talloc_free(mem_ctx);
return NULL;
}
ret = Py_BuildValue(PYARG_BYTES_LEN, blob.data, blob.length);
talloc_free(mem_ctx);
return ret;
}
static PyMethodDef py_posix_eadb_methods[] = {
{ "wrap_getxattr", (PyCFunction)py_wrap_getxattr, METH_VARARGS,
"wrap_getxattr(filename,attribute) -> blob\n"
"Retrieve 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"},
{0}
};
static struct PyModuleDef moduledef = {
PyModuleDef_HEAD_INIT,
.m_name = "posix_eadb",
.m_doc = "Python bindings for xattr manipulation.",
.m_size = -1,
.m_methods = py_posix_eadb_methods,
};
MODULE_INIT_FUNC(posix_eadb)
{
PyObject *m;
m = PyModule_Create(&moduledef);
if (m == NULL)
return NULL;
return m;
}
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