3 files changed, 446 insertions, 0 deletions
diff --git a/source4/ntvfs/posix/python/pyposix_eadb.c b/source4/ntvfs/posix/python/pyposix_eadb.c
new file mode 100644
index 0000000..aca92e7
--- /dev/null
+++ b/source4/ntvfs/posix/python/pyposix_eadb.c
@@ -0,0 +1,140 @@
+/*
+   Unix SMB/CIFS implementation. Xattr manipulation bindings.
+   Copyright (C) Matthieu Patou <mat@matws.net> 2009-2010
+   Base on work of pyglue.c by Jelmer Vernooij <jelmer@samba.org> 2007 and
+    Matthias Dieter Wallnöfer 2009
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "lib/replace/system/python.h"
+#include "python/py3compat.h"
+#include "includes.h"
+#include "system/filesys.h"
+#include <tdb.h>
+#include "lib/tdb_wrap/tdb_wrap.h"
+#include "librpc/ndr/libndr.h"
+#include "ntvfs/posix/posix_eadb.h"
+#include "libcli/util/pyerrors.h"
+#include "param/pyparam.h"
+
+static PyObject *py_is_xattr_supported(PyObject *self,
+			PyObject *Py_UNUSED(ignored))
+{
+	Py_RETURN_TRUE;
+}
+
+static PyObject *py_wrap_setxattr(PyObject *self, PyObject *args)
+{
+	char *filename, *attribute, *tdbname;
+	DATA_BLOB blob;
+	Py_ssize_t blobsize;
+	NTSTATUS status;
+	TALLOC_CTX *mem_ctx;
+	struct tdb_wrap *eadb;
+
+	if (!PyArg_ParseTuple(args, "sss"PYARG_BYTES_LEN, &tdbname, &filename, &attribute,
+						  &blob.data, &blobsize))
+		return NULL;
+
+	blob.length = blobsize;
+	mem_ctx = talloc_new(NULL);
+	eadb = tdb_wrap_open(
+		mem_ctx, tdbname, 50000,
+		lpcfg_tdb_flags(py_default_loadparm_context(mem_ctx),
+				TDB_DEFAULT),
+		O_RDWR|O_CREAT, 0600);
+
+	if (eadb == NULL) {
+		PyErr_SetFromErrno(PyExc_IOError);
+		talloc_free(mem_ctx);
+		return NULL;
+	}
+	status = push_xattr_blob_tdb_raw(eadb, attribute, filename, -1,
+					 &blob);
+	if (!NT_STATUS_IS_OK(status)) {
+		PyErr_SetNTSTATUS(status);
+		talloc_free(mem_ctx);
+		return NULL;
+	}
+	talloc_free(mem_ctx);
+	Py_RETURN_NONE;
+}
+
+static PyObject *py_wrap_getxattr(PyObject *self, PyObject *args)
+{
+	char *filename, *attribute, *tdbname;
+	TALLOC_CTX *mem_ctx;
+	DATA_BLOB blob;
+	PyObject *ret;
+	NTSTATUS status;
+	struct tdb_wrap *eadb = NULL;
+
+	if (!PyArg_ParseTuple(args, "sss", &tdbname, &filename, &attribute))
+		return NULL;
+
+	mem_ctx = talloc_new(NULL);
+	eadb = tdb_wrap_open(
+		mem_ctx, tdbname, 50000,
+		lpcfg_tdb_flags(py_default_loadparm_context(mem_ctx),
+				TDB_DEFAULT),
+		O_RDWR|O_CREAT, 0600);
+	if (eadb == NULL) {
+		PyErr_SetFromErrno(PyExc_IOError);
+		talloc_free(mem_ctx);
+		return NULL;
+	}
+	status = pull_xattr_blob_tdb_raw(eadb, mem_ctx, attribute, filename,
+									 -1, 100, &blob);
+	if (!NT_STATUS_IS_OK(status)) {
+		PyErr_SetNTSTATUS(status);
+		talloc_free(mem_ctx);
+		return NULL;
+	}
+	ret = Py_BuildValue(PYARG_BYTES_LEN, blob.data, blob.length);
+	talloc_free(mem_ctx);
+	return ret;
+}
+
+static PyMethodDef py_posix_eadb_methods[] = {
+	{ "wrap_getxattr", (PyCFunction)py_wrap_getxattr, METH_VARARGS,
+		"wrap_getxattr(filename,attribute) -> blob\n"
+		"Retrieve given attribute on the given file." },
+	{ "wrap_setxattr", (PyCFunction)py_wrap_setxattr, METH_VARARGS,
+		"wrap_setxattr(filename,attribute,value)\n"
+		"Set the given attribute to the given value on the given file." },
+	{ "is_xattr_supported", (PyCFunction)py_is_xattr_supported, METH_NOARGS,
+		"Return true if xattr are supported on this system\n"},
+	{0}
+};
+
+static struct PyModuleDef moduledef = {
+    PyModuleDef_HEAD_INIT,
+    .m_name = "posix_eadb",
+    .m_doc = "Python bindings for xattr manipulation.",
+    .m_size = -1,
+    .m_methods = py_posix_eadb_methods,
+};
+
+MODULE_INIT_FUNC(posix_eadb)
+{
+	PyObject *m;
+
+	m = PyModule_Create(&moduledef);
+
+	if (m == NULL)
+		return NULL;
+
+	return m;
+}
diff --git a/source4/ntvfs/posix/python/pyxattr_native.c b/source4/ntvfs/posix/python/pyxattr_native.c
new file mode 100644
index 0000000..6b237b0
--- /dev/null
+++ b/source4/ntvfs/posix/python/pyxattr_native.c
@@ -0,0 +1,129 @@
+/*
+   Unix SMB/CIFS implementation. Xattr manipulation bindings.
+   Copyright (C) Matthieu Patou <mat@matws.net> 2009
+   Base on work of pyglue.c by Jelmer Vernooij <jelmer@samba.org> 2007 and
+    Matthias Dieter Wallnöfer 2009
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "lib/replace/system/python.h"
+#include "python/py3compat.h"
+#include "includes.h"
+#include "librpc/ndr/libndr.h"
+#include "system/filesys.h"
+#include "lib/util/base64.h"
+
+static PyObject *py_is_xattr_supported(PyObject *self,
+		PyObject *Py_UNUSED(ignored))
+{
+#if !defined(HAVE_XATTR_SUPPORT)
+	Py_RETURN_FALSE;
+#else
+	Py_RETURN_TRUE;
+#endif
+}
+
+static PyObject *py_wrap_setxattr(PyObject *self, PyObject *args)
+{
+	char *filename, *attribute;
+	int ret = 0;
+	Py_ssize_t blobsize;
+	DATA_BLOB blob;
+
+	if (!PyArg_ParseTuple(args, "ss"PYARG_BYTES_LEN, &filename, &attribute, &blob.data,
+        &blobsize))
+		return NULL;
+
+	blob.length = blobsize;
+	ret = setxattr(filename, attribute, blob.data, blob.length, 0);
+	if( ret < 0 ) {
+		if (errno == ENOTSUP) {
+			PyErr_SetFromErrno(PyExc_IOError);
+		} else {
+			PyErr_SetFromErrnoWithFilename(PyExc_OSError, filename);
+		}
+		return NULL;
+	}
+	Py_RETURN_NONE;
+}
+
+static PyObject *py_wrap_getxattr(PyObject *self, PyObject *args)
+{
+	char *filename, *attribute;
+	int len;
+	TALLOC_CTX *mem_ctx;
+	char *buf;
+	PyObject *ret;
+	if (!PyArg_ParseTuple(args, "ss", &filename, &attribute))
+		return NULL;
+	mem_ctx = talloc_new(NULL);
+	len = getxattr(filename,attribute,NULL,0);
+	if( len < 0 ) {
+		if (errno == ENOTSUP) {
+			PyErr_SetFromErrno(PyExc_IOError);
+		} else {
+			PyErr_SetFromErrnoWithFilename(PyExc_OSError, filename);
+		}
+		talloc_free(mem_ctx);
+		return NULL;
+	}
+	/* check length ... */
+	buf = talloc_zero_array(mem_ctx, char, len);
+	len = getxattr(filename, attribute, buf, len);
+	if( len < 0 ) {
+		if (errno == ENOTSUP) {
+			PyErr_SetFromErrno(PyExc_IOError);
+		} else {
+			PyErr_SetFromErrnoWithFilename(PyExc_OSError, filename);
+		}
+		talloc_free(mem_ctx);
+		return NULL;
+	}
+	ret = Py_BuildValue(PYARG_BYTES_LEN, buf, len);
+	talloc_free(mem_ctx);
+	return ret;
+}
+
+static PyMethodDef py_xattr_methods[] = {
+	{ "wrap_getxattr", (PyCFunction)py_wrap_getxattr, METH_VARARGS,
+		"wrap_getxattr(filename,attribute) -> blob\n"
+		"Retrieve given attribute on the given file." },
+	{ "wrap_setxattr", (PyCFunction)py_wrap_setxattr, METH_VARARGS,
+		"wrap_setxattr(filename,attribute,value)\n"
+		"Set the given attribute to the given value on the given file." },
+	{ "is_xattr_supported", (PyCFunction)py_is_xattr_supported, METH_NOARGS,
+		"Return true if xattr are supported on this system\n"},
+	{0}
+};
+
+static struct PyModuleDef moduledef = {
+    PyModuleDef_HEAD_INIT,
+    .m_name = "xattr_native",
+    .m_doc = "Python bindings for xattr manipulation.",
+    .m_size = -1,
+    .m_methods = py_xattr_methods,
+};
+
+MODULE_INIT_FUNC(xattr_native)
+{
+	PyObject *m;
+
+	m = PyModule_Create(&moduledef);
+
+	if (m == NULL)
+		return NULL;
+
+	return m;
+}
diff --git a/source4/ntvfs/posix/python/pyxattr_tdb.c b/source4/ntvfs/posix/python/pyxattr_tdb.c
new file mode 100644
index 0000000..5f07809
--- /dev/null
+++ b/source4/ntvfs/posix/python/pyxattr_tdb.c
@@ -0,0 +1,177 @@
+/*
+   Unix SMB/CIFS implementation. Xattr manipulation bindings.
+   Copyright (C) Matthieu Patou <mat@matws.net> 2009-2010
+   Base on work of pyglue.c by Jelmer Vernooij <jelmer@samba.org> 2007 and
+    Matthias Dieter Wallnöfer 2009
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "lib/replace/system/python.h"
+#include "python/py3compat.h"
+#include "includes.h"
+#include "system/filesys.h"
+#include <tdb.h>
+#include "lib/tdb_wrap/tdb_wrap.h"
+#include "librpc/ndr/libndr.h"
+#include "ntvfs/posix/posix_eadb.h"
+#include "libcli/util/pyerrors.h"
+#include "param/pyparam.h"
+#include "lib/dbwrap/dbwrap.h"
+#include "lib/dbwrap/dbwrap_open.h"
+#include "lib/dbwrap/dbwrap_tdb.h"
+#include "source3/lib/xattr_tdb.h"
+
+static PyObject *py_is_xattr_supported(PyObject *self,
+		PyObject *Py_UNUSED(ignored))
+{
+	Py_RETURN_TRUE;
+}
+
+static PyObject *py_wrap_setxattr(PyObject *self, PyObject *args)
+{
+	char *filename, *attribute, *tdbname;
+	DATA_BLOB blob;
+	Py_ssize_t blobsize;
+	int ret;
+	TALLOC_CTX *mem_ctx;
+	struct loadparm_context *lp_ctx;
+	struct db_context *eadb = NULL;
+	struct file_id id;
+	struct stat sbuf;
+
+	if (!PyArg_ParseTuple(args, "sss"PYARG_BYTES_LEN, &tdbname, &filename, &attribute,
+						  &blob.data, &blobsize))
+		return NULL;
+
+	blob.length = blobsize;
+	mem_ctx = talloc_new(NULL);
+
+	lp_ctx = py_default_loadparm_context(mem_ctx);
+	eadb = db_open_tdb(mem_ctx, tdbname, 50000,
+			   lpcfg_tdb_flags(lp_ctx, TDB_DEFAULT),
+			   O_RDWR|O_CREAT, 0600, DBWRAP_LOCK_ORDER_2,
+			   DBWRAP_FLAG_NONE);
+
+	if (eadb == NULL) {
+		PyErr_SetFromErrno(PyExc_IOError);
+		talloc_free(mem_ctx);
+		return NULL;
+	}
+
+	ret = stat(filename, &sbuf);
+	if (ret < 0) {
+		PyErr_SetFromErrno(PyExc_IOError);
+		talloc_free(mem_ctx);
+		return NULL;
+	}
+
+	ZERO_STRUCT(id);
+	id.devid = sbuf.st_dev;
+	id.inode = sbuf.st_ino;
+
+	ret = xattr_tdb_setattr(eadb, &id, attribute, blob.data, blob.length, 0);
+	if (ret < 0) {
+		PyErr_SetFromErrno(PyExc_TypeError);
+		talloc_free(mem_ctx);
+		return NULL;
+	}
+	talloc_free(mem_ctx);
+	Py_RETURN_NONE;
+}
+
+static PyObject *py_wrap_getxattr(PyObject *self, PyObject *args)
+{
+	char *filename, *attribute, *tdbname;
+	TALLOC_CTX *mem_ctx;
+	struct loadparm_context *lp_ctx;
+	DATA_BLOB blob;
+	PyObject *ret_obj;
+	int ret;
+	ssize_t xattr_size;
+	struct db_context *eadb = NULL;
+	struct file_id id;
+	struct stat sbuf;
+
+	if (!PyArg_ParseTuple(args, "sss", &tdbname, &filename, &attribute))
+		return NULL;
+
+	mem_ctx = talloc_new(NULL);
+
+	lp_ctx = py_default_loadparm_context(mem_ctx);
+	eadb = db_open_tdb(mem_ctx, tdbname, 50000,
+			   lpcfg_tdb_flags(lp_ctx, TDB_DEFAULT),
+			   O_RDWR|O_CREAT, 0600, DBWRAP_LOCK_ORDER_2,
+			   DBWRAP_FLAG_NONE);
+
+	if (eadb == NULL) {
+		PyErr_SetFromErrno(PyExc_IOError);
+		talloc_free(mem_ctx);
+		return NULL;
+	}
+
+	ret = stat(filename, &sbuf);
+	if (ret < 0) {
+		PyErr_SetFromErrno(PyExc_IOError);
+		talloc_free(mem_ctx);
+		return NULL;
+	}
+
+	ZERO_STRUCT(id);
+	id.devid = sbuf.st_dev;
+	id.inode = sbuf.st_ino;
+
+	xattr_size = xattr_tdb_getattr(eadb, mem_ctx, &id, attribute, &blob);
+	if (xattr_size < 0) {
+		PyErr_SetFromErrno(PyExc_TypeError);
+		talloc_free(mem_ctx);
+		return NULL;
+	}
+	ret_obj = Py_BuildValue(PYARG_BYTES_LEN, blob.data, xattr_size);
+	talloc_free(mem_ctx);
+	return ret_obj;
+}
+
+static PyMethodDef py_xattr_methods[] = {
+	{ "wrap_getxattr", (PyCFunction)py_wrap_getxattr, METH_VARARGS,
+		"wrap_getxattr(filename,attribute) -> blob\n"
+		"Retrieve given attribute on the given file." },
+	{ "wrap_setxattr", (PyCFunction)py_wrap_setxattr, METH_VARARGS,
+		"wrap_setxattr(filename,attribute,value)\n"
+		"Set the given attribute to the given value on the given file." },
+	{ "is_xattr_supported", (PyCFunction)py_is_xattr_supported, METH_NOARGS,
+		"Return true if xattr are supported on this system\n"},
+	{0}
+};
+
+static struct PyModuleDef moduledef = {
+    PyModuleDef_HEAD_INIT,
+    .m_name = "xattr_tdb",
+    .m_doc = "Python bindings for xattr manipulation.",
+    .m_size = -1,
+    .m_methods = py_xattr_methods,
+};
+
+MODULE_INIT_FUNC(xattr_tdb)
+{
+	PyObject *m;
+
+	m = PyModule_Create(&moduledef);
+
+	if (m == NULL)
+		return NULL;
+
+	return m;
+}
+