librpc: Shorten dcerpc_binding_handle_call a bit
[Samba/gebeck_regimport.git] / source4 / ntvfs / posix / python / pyxattr_tdb.c
blobb5109317dd6dfb75d8859f32c9a37b338387907f
1 /*
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/>.
21 #include <Python.h>
22 #include "includes.h"
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 "ntvfs/posix/posix_eadb.h"
28 #include "libcli/util/pyerrors.h"
29 #include "param/pyparam.h"
30 #include "lib/dbwrap/dbwrap.h"
31 #include "lib/dbwrap/dbwrap_open.h"
32 #include "lib/dbwrap/dbwrap_tdb.h"
33 #include "source3/lib/xattr_tdb.h"
35 void initxattr_tdb(void);
37 static PyObject *py_is_xattr_supported(PyObject *self)
39 return Py_True;
42 static PyObject *py_wrap_setxattr(PyObject *self, PyObject *args)
44 char *filename, *attribute, *tdbname;
45 DATA_BLOB blob;
46 int blobsize;
47 int ret;
48 TALLOC_CTX *mem_ctx;
49 struct db_context *eadb = NULL;
50 struct file_id id;
51 struct stat sbuf;
53 if (!PyArg_ParseTuple(args, "ssss#", &tdbname, &filename, &attribute,
54 &blob.data, &blobsize))
55 return NULL;
57 blob.length = blobsize;
58 mem_ctx = talloc_new(NULL);
59 eadb = db_open_tdb(mem_ctx, py_default_loadparm_context(mem_ctx), tdbname, 50000,
60 TDB_DEFAULT, O_RDWR|O_CREAT, 0600, DBWRAP_LOCK_ORDER_2);
62 if (eadb == NULL) {
63 PyErr_SetFromErrno(PyExc_IOError);
64 talloc_free(mem_ctx);
65 return NULL;
68 ret = stat(filename, &sbuf);
69 if (ret < 0) {
70 PyErr_SetFromErrno(PyExc_IOError);
71 talloc_free(mem_ctx);
72 return NULL;
75 ZERO_STRUCT(id);
76 id.devid = sbuf.st_dev;
77 id.inode = sbuf.st_ino;
79 ret = xattr_tdb_setattr(eadb, &id, attribute, blob.data, blob.length, 0);
80 if (ret < 0) {
81 PyErr_SetFromErrno(PyExc_TypeError);
82 talloc_free(mem_ctx);
83 return NULL;
85 talloc_free(mem_ctx);
86 Py_RETURN_NONE;
89 static PyObject *py_wrap_getxattr(PyObject *self, PyObject *args)
91 char *filename, *attribute, *tdbname;
92 TALLOC_CTX *mem_ctx;
93 DATA_BLOB blob;
94 PyObject *ret_obj;
95 int ret;
96 ssize_t xattr_size;
97 struct db_context *eadb = NULL;
98 struct file_id id;
99 struct stat sbuf;
101 if (!PyArg_ParseTuple(args, "sss", &tdbname, &filename, &attribute))
102 return NULL;
104 mem_ctx = talloc_new(NULL);
106 eadb = db_open_tdb(mem_ctx, py_default_loadparm_context(mem_ctx), tdbname, 50000,
107 TDB_DEFAULT, O_RDWR|O_CREAT, 0600, DBWRAP_LOCK_ORDER_2);
109 if (eadb == NULL) {
110 PyErr_SetFromErrno(PyExc_IOError);
111 talloc_free(mem_ctx);
112 return NULL;
115 ret = stat(filename, &sbuf);
116 if (ret < 0) {
117 PyErr_SetFromErrno(PyExc_IOError);
118 talloc_free(mem_ctx);
119 return NULL;
122 ZERO_STRUCT(id);
123 id.devid = sbuf.st_dev;
124 id.inode = sbuf.st_ino;
126 xattr_size = xattr_tdb_getattr(eadb, mem_ctx, &id, attribute, &blob);
127 if (xattr_size < 0) {
128 PyErr_SetFromErrno(PyExc_TypeError);
129 talloc_free(mem_ctx);
130 return NULL;
132 ret_obj = PyString_FromStringAndSize((char *)blob.data, xattr_size);
133 talloc_free(mem_ctx);
134 return ret_obj;
137 static PyMethodDef py_xattr_methods[] = {
138 { "wrap_getxattr", (PyCFunction)py_wrap_getxattr, METH_VARARGS,
139 "wrap_getxattr(filename,attribute) -> blob\n"
140 "Retreive given attribute on the given file." },
141 { "wrap_setxattr", (PyCFunction)py_wrap_setxattr, METH_VARARGS,
142 "wrap_setxattr(filename,attribute,value)\n"
143 "Set the given attribute to the given value on the given file." },
144 { "is_xattr_supported", (PyCFunction)py_is_xattr_supported, METH_NOARGS,
145 "Return true if xattr are supported on this system\n"},
146 { NULL }
149 void initxattr_tdb(void)
151 PyObject *m;
153 m = Py_InitModule3("xattr_tdb", py_xattr_methods,
154 "Python bindings for xattr manipulation.");
155 if (m == NULL)
156 return;