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https://github.com/samba-team/samba.git
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13a2f70a4d
Signed-off-by: Gary Lockyer <gary@catalyst.net.nz> Reviewed-by: Andreas Schneider <asn@samba.org>
141 lines
3.8 KiB
C
141 lines
3.8 KiB
C
/*
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Unix SMB/CIFS implementation. Xattr manipulation bindings.
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Copyright (C) Matthieu Patou <mat@matws.net> 2009-2010
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Base on work of pyglue.c by Jelmer Vernooij <jelmer@samba.org> 2007 and
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Matthias Dieter Wallnöfer 2009
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <Python.h>
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#include "python/py3compat.h"
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#include "includes.h"
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#include "system/filesys.h"
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#include <tdb.h>
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#include "lib/tdb_wrap/tdb_wrap.h"
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#include "librpc/ndr/libndr.h"
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#include "ntvfs/posix/posix_eadb.h"
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#include "libcli/util/pyerrors.h"
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#include "param/pyparam.h"
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static PyObject *py_is_xattr_supported(PyObject *self,
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PyObject *Py_UNUSED(ignored))
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{
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return Py_True;
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}
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static PyObject *py_wrap_setxattr(PyObject *self, PyObject *args)
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{
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char *filename, *attribute, *tdbname;
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DATA_BLOB blob;
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Py_ssize_t blobsize;
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NTSTATUS status;
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TALLOC_CTX *mem_ctx;
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struct tdb_wrap *eadb;
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if (!PyArg_ParseTuple(args, "sss"PYARG_BYTES_LEN, &tdbname, &filename, &attribute,
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&blob.data, &blobsize))
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return NULL;
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blob.length = blobsize;
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mem_ctx = talloc_new(NULL);
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eadb = tdb_wrap_open(
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mem_ctx, tdbname, 50000,
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lpcfg_tdb_flags(py_default_loadparm_context(mem_ctx),
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TDB_DEFAULT),
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O_RDWR|O_CREAT, 0600);
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if (eadb == NULL) {
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PyErr_SetFromErrno(PyExc_IOError);
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talloc_free(mem_ctx);
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return NULL;
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}
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status = push_xattr_blob_tdb_raw(eadb, attribute, filename, -1,
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&blob);
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if (!NT_STATUS_IS_OK(status)) {
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PyErr_SetNTSTATUS(status);
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talloc_free(mem_ctx);
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return NULL;
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}
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talloc_free(mem_ctx);
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Py_RETURN_NONE;
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}
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static PyObject *py_wrap_getxattr(PyObject *self, PyObject *args)
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{
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char *filename, *attribute, *tdbname;
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TALLOC_CTX *mem_ctx;
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DATA_BLOB blob;
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PyObject *ret;
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NTSTATUS status;
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struct tdb_wrap *eadb = NULL;
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if (!PyArg_ParseTuple(args, "sss", &tdbname, &filename, &attribute))
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return NULL;
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mem_ctx = talloc_new(NULL);
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eadb = tdb_wrap_open(
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mem_ctx, tdbname, 50000,
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lpcfg_tdb_flags(py_default_loadparm_context(mem_ctx),
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TDB_DEFAULT),
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O_RDWR|O_CREAT, 0600);
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if (eadb == NULL) {
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PyErr_SetFromErrno(PyExc_IOError);
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talloc_free(mem_ctx);
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return NULL;
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}
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status = pull_xattr_blob_tdb_raw(eadb, mem_ctx, attribute, filename,
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-1, 100, &blob);
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if (!NT_STATUS_IS_OK(status)) {
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PyErr_SetNTSTATUS(status);
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talloc_free(mem_ctx);
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return NULL;
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}
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ret = Py_BuildValue(PYARG_BYTES_LEN, blob.data, blob.length);
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talloc_free(mem_ctx);
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return ret;
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}
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static PyMethodDef py_posix_eadb_methods[] = {
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{ "wrap_getxattr", (PyCFunction)py_wrap_getxattr, METH_VARARGS,
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"wrap_getxattr(filename,attribute) -> blob\n"
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"Retrieve given attribute on the given file." },
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{ "wrap_setxattr", (PyCFunction)py_wrap_setxattr, METH_VARARGS,
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"wrap_setxattr(filename,attribute,value)\n"
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"Set the given attribute to the given value on the given file." },
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{ "is_xattr_supported", (PyCFunction)py_is_xattr_supported, METH_NOARGS,
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"Return true if xattr are supported on this system\n"},
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{0}
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};
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static struct PyModuleDef moduledef = {
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PyModuleDef_HEAD_INIT,
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.m_name = "posix_eadb",
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.m_doc = "Python bindings for xattr manipulation.",
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.m_size = -1,
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.m_methods = py_posix_eadb_methods,
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};
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MODULE_INIT_FUNC(posix_eadb)
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{
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PyObject *m;
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m = PyModule_Create(&moduledef);
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if (m == NULL)
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return NULL;
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return m;
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}
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