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)
41 static PyObject *py_wrap_setxattr(PyObject *self, PyObject *args)
43 char *filename, *attribute, *tdbname;
48 struct loadparm_context *lp_ctx;
49 struct db_context *eadb = NULL;
53 if (!PyArg_ParseTuple(args, "ssss#", &tdbname, &filename, &attribute,
54 &blob.data, &blobsize))
57 blob.length = blobsize;
58 mem_ctx = talloc_new(NULL);
60 lp_ctx = py_default_loadparm_context(mem_ctx);
61 eadb = db_open_tdb(mem_ctx, tdbname, 50000,
62 lpcfg_tdb_flags(lp_ctx, TDB_DEFAULT),
63 O_RDWR|O_CREAT, 0600, DBWRAP_LOCK_ORDER_2,
67 PyErr_SetFromErrno(PyExc_IOError);
72 ret = stat(filename, &sbuf);
74 PyErr_SetFromErrno(PyExc_IOError);
80 id.devid = sbuf.st_dev;
81 id.inode = sbuf.st_ino;
83 ret = xattr_tdb_setattr(eadb, &id, attribute, blob.data, blob.length, 0);
85 PyErr_SetFromErrno(PyExc_TypeError);
93 static PyObject *py_wrap_getxattr(PyObject *self, PyObject *args)
95 char *filename, *attribute, *tdbname;
97 struct loadparm_context *lp_ctx;
102 struct db_context *eadb = NULL;
106 if (!PyArg_ParseTuple(args, "sss", &tdbname, &filename, &attribute))
109 mem_ctx = talloc_new(NULL);
111 lp_ctx = py_default_loadparm_context(mem_ctx);
112 eadb = db_open_tdb(mem_ctx, tdbname, 50000,
113 lpcfg_tdb_flags(lp_ctx, TDB_DEFAULT),
114 O_RDWR|O_CREAT, 0600, DBWRAP_LOCK_ORDER_2,
118 PyErr_SetFromErrno(PyExc_IOError);
119 talloc_free(mem_ctx);
123 ret = stat(filename, &sbuf);
125 PyErr_SetFromErrno(PyExc_IOError);
126 talloc_free(mem_ctx);
131 id.devid = sbuf.st_dev;
132 id.inode = sbuf.st_ino;
134 xattr_size = xattr_tdb_getattr(eadb, mem_ctx, &id, attribute, &blob);
135 if (xattr_size < 0) {
136 PyErr_SetFromErrno(PyExc_TypeError);
137 talloc_free(mem_ctx);
140 ret_obj = PyStr_FromStringAndSize((char *)blob.data, xattr_size);
141 talloc_free(mem_ctx);
145 static PyMethodDef py_xattr_methods[] = {
146 { "wrap_getxattr", (PyCFunction)py_wrap_getxattr, METH_VARARGS,
147 "wrap_getxattr(filename,attribute) -> blob\n"
148 "Retrieve given attribute on the given file." },
149 { "wrap_setxattr", (PyCFunction)py_wrap_setxattr, METH_VARARGS,
150 "wrap_setxattr(filename,attribute,value)\n"
151 "Set the given attribute to the given value on the given file." },
152 { "is_xattr_supported", (PyCFunction)py_is_xattr_supported, METH_NOARGS,
153 "Return true if xattr are supported on this system\n"},
157 static struct PyModuleDef moduledef = {
158 PyModuleDef_HEAD_INIT,
159 .m_name = "xattr_tdb",
160 .m_doc = "Python bindings for xattr manipulation.",
162 .m_methods = py_xattr_methods,
165 MODULE_INIT_FUNC(xattr_tdb)
169 m = PyModule_Create(&moduledef);