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/>.
23 #include "system/filesys.h"
24 #include "tdb_compat.h"
25 #include "lib/tdb_wrap/tdb_wrap.h"
26 #include "librpc/ndr/libndr.h"
27 #include "lib/util/wrap_xattr.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 void initxattr_tdb(void);
38 static PyObject
*py_is_xattr_supported(PyObject
*self
)
43 static PyObject
*py_wrap_setxattr(PyObject
*self
, PyObject
*args
)
45 char *filename
, *attribute
, *tdbname
;
50 struct db_context
*eadb
= NULL
;
54 if (!PyArg_ParseTuple(args
, "ssss#", &tdbname
, &filename
, &attribute
,
55 &blob
.data
, &blobsize
))
58 blob
.length
= blobsize
;
59 mem_ctx
= talloc_new(NULL
);
60 eadb
= db_open_tdb(mem_ctx
, py_default_loadparm_context(mem_ctx
), tdbname
, 50000,
61 TDB_DEFAULT
, O_RDWR
|O_CREAT
, 0600, DBWRAP_LOCK_ORDER_2
);
64 PyErr_SetFromErrno(PyExc_IOError
);
69 ret
= stat(filename
, &sbuf
);
71 PyErr_SetFromErrno(PyExc_IOError
);
77 id
.devid
= sbuf
.st_dev
;
78 id
.inode
= sbuf
.st_ino
;
80 ret
= xattr_tdb_setattr(eadb
, &id
, attribute
, blob
.data
, blob
.length
, 0);
82 PyErr_SetFromErrno(PyExc_TypeError
);
90 static PyObject
*py_wrap_getxattr(PyObject
*self
, PyObject
*args
)
92 char *filename
, *attribute
, *tdbname
;
98 struct db_context
*eadb
= NULL
;
102 if (!PyArg_ParseTuple(args
, "sss", &tdbname
, &filename
, &attribute
))
105 mem_ctx
= talloc_new(NULL
);
107 eadb
= db_open_tdb(mem_ctx
, py_default_loadparm_context(mem_ctx
), tdbname
, 50000,
108 TDB_DEFAULT
, O_RDWR
|O_CREAT
, 0600, DBWRAP_LOCK_ORDER_2
);
111 PyErr_SetFromErrno(PyExc_IOError
);
112 talloc_free(mem_ctx
);
116 ret
= stat(filename
, &sbuf
);
118 PyErr_SetFromErrno(PyExc_IOError
);
119 talloc_free(mem_ctx
);
124 id
.devid
= sbuf
.st_dev
;
125 id
.inode
= sbuf
.st_ino
;
127 xattr_size
= xattr_tdb_getattr(eadb
, mem_ctx
, &id
, attribute
, &blob
);
128 if (xattr_size
< 0) {
129 PyErr_SetFromErrno(PyExc_TypeError
);
130 talloc_free(mem_ctx
);
133 ret_obj
= PyString_FromStringAndSize((char *)blob
.data
, xattr_size
);
134 talloc_free(mem_ctx
);
138 static PyMethodDef py_xattr_methods
[] = {
139 { "wrap_getxattr", (PyCFunction
)py_wrap_getxattr
, METH_VARARGS
,
140 "wrap_getxattr(filename,attribute) -> blob\n"
141 "Retreive given attribute on the given file." },
142 { "wrap_setxattr", (PyCFunction
)py_wrap_setxattr
, METH_VARARGS
,
143 "wrap_setxattr(filename,attribute,value)\n"
144 "Set the given attribute to the given value on the given file." },
145 { "is_xattr_supported", (PyCFunction
)py_is_xattr_supported
, METH_NOARGS
,
146 "Return true if xattr are supported on this system\n"},
150 void initxattr_tdb(void)
154 m
= Py_InitModule3("xattr_tdb", py_xattr_methods
,
155 "Python bindings for xattr manipulation.");