2 Unix SMB/CIFS implementation. Xattr manipulation bindings.
3 Copyright (C) Matthieu Patou <mat@matws.net> 2009-2010
4 Base on work of pyglue.c by Jelmer Vernooij <jelmer@samba.org> 2007 and
5 Matthias Dieter Wallnöfer 2009
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #include "python/py3compat.h"
24 #include "system/filesys.h"
26 #include "lib/tdb_wrap/tdb_wrap.h"
27 #include "librpc/ndr/libndr.h"
28 #include "ntvfs/posix/posix_eadb.h"
29 #include "libcli/util/pyerrors.h"
30 #include "param/pyparam.h"
31 #include "lib/dbwrap/dbwrap.h"
32 #include "lib/dbwrap/dbwrap_open.h"
33 #include "lib/dbwrap/dbwrap_tdb.h"
34 #include "source3/lib/xattr_tdb.h"
36 static PyObject *py_is_xattr_supported(PyObject *self,
37 PyObject *Py_UNUSED(ignored))
42 static PyObject *py_wrap_setxattr(PyObject *self, PyObject *args)
44 char *filename, *attribute, *tdbname;
49 struct loadparm_context *lp_ctx;
50 struct db_context *eadb = NULL;
54 if (!PyArg_ParseTuple(args, "sss"PYARG_BYTES_LEN, &tdbname, &filename, &attribute,
55 &blob.data, &blobsize))
58 blob.length = blobsize;
59 mem_ctx = talloc_new(NULL);
61 lp_ctx = py_default_loadparm_context(mem_ctx);
62 eadb = db_open_tdb(mem_ctx, tdbname, 50000,
63 lpcfg_tdb_flags(lp_ctx, TDB_DEFAULT),
64 O_RDWR|O_CREAT, 0600, DBWRAP_LOCK_ORDER_2,
68 PyErr_SetFromErrno(PyExc_IOError);
73 ret = stat(filename, &sbuf);
75 PyErr_SetFromErrno(PyExc_IOError);
81 id.devid = sbuf.st_dev;
82 id.inode = sbuf.st_ino;
84 ret = xattr_tdb_setattr(eadb, &id, attribute, blob.data, blob.length, 0);
86 PyErr_SetFromErrno(PyExc_TypeError);
94 static PyObject *py_wrap_getxattr(PyObject *self, PyObject *args)
96 char *filename, *attribute, *tdbname;
98 struct loadparm_context *lp_ctx;
103 struct db_context *eadb = NULL;
107 if (!PyArg_ParseTuple(args, "sss", &tdbname, &filename, &attribute))
110 mem_ctx = talloc_new(NULL);
112 lp_ctx = py_default_loadparm_context(mem_ctx);
113 eadb = db_open_tdb(mem_ctx, tdbname, 50000,
114 lpcfg_tdb_flags(lp_ctx, TDB_DEFAULT),
115 O_RDWR|O_CREAT, 0600, DBWRAP_LOCK_ORDER_2,
119 PyErr_SetFromErrno(PyExc_IOError);
120 talloc_free(mem_ctx);
124 ret = stat(filename, &sbuf);
126 PyErr_SetFromErrno(PyExc_IOError);
127 talloc_free(mem_ctx);
132 id.devid = sbuf.st_dev;
133 id.inode = sbuf.st_ino;
135 xattr_size = xattr_tdb_getattr(eadb, mem_ctx, &id, attribute, &blob);
136 if (xattr_size < 0) {
137 PyErr_SetFromErrno(PyExc_TypeError);
138 talloc_free(mem_ctx);
141 ret_obj = Py_BuildValue(PYARG_BYTES_LEN, blob.data, xattr_size);
142 talloc_free(mem_ctx);
146 static PyMethodDef py_xattr_methods[] = {
147 { "wrap_getxattr", (PyCFunction)py_wrap_getxattr, METH_VARARGS,
148 "wrap_getxattr(filename,attribute) -> blob\n"
149 "Retrieve given attribute on the given file." },
150 { "wrap_setxattr", (PyCFunction)py_wrap_setxattr, METH_VARARGS,
151 "wrap_setxattr(filename,attribute,value)\n"
152 "Set the given attribute to the given value on the given file." },
153 { "is_xattr_supported", (PyCFunction)py_is_xattr_supported, METH_NOARGS,
154 "Return true if xattr are supported on this system\n"},
158 static struct PyModuleDef moduledef = {
159 PyModuleDef_HEAD_INIT,
160 .m_name = "xattr_tdb",
161 .m_doc = "Python bindings for xattr manipulation.",
163 .m_methods = py_xattr_methods,
166 MODULE_INIT_FUNC(xattr_tdb)
170 m = PyModule_Create(&moduledef);