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/*
Unix SMB/CIFS implementation.
SMB NT Security Descriptor / Unix permission conversion.
Copyright (C) Jeremy Allison 1994-2009.
Copyright (C) Andreas Gruenbacher 2002.
Copyright (C) Simo Sorce <idra@samba.org> 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 "includes.h"
#include "smbd/smbd.h"
#include <Python.h>
#include "libcli/util/pyerrors.h"
extern const struct generic_mapping file_generic_mapping;
#undef DBGC_CLASS
#define DBGC_CLASS DBGC_ACLS
static NTSTATUS set_sys_acl_no_snum(const char *fname,
SMB_ACL_TYPE_T acltype,
SMB_ACL_T theacl)
{
connection_struct *conn;
NTSTATUS status = NT_STATUS_OK;
int ret;
conn = talloc_zero(NULL, connection_struct);
if (conn == NULL) {
DEBUG(0, ("talloc failed\n"));
return NT_STATUS_NO_MEMORY;
}
if (!(conn->params = talloc(conn, struct share_params))) {
DEBUG(0,("get_nt_acl_no_snum: talloc() failed!\n"));
TALLOC_FREE(conn);
return NT_STATUS_NO_MEMORY;
}
conn->params->service = -1;
set_conn_connectpath(conn, "/");
smbd_vfs_init(conn);
ret = SMB_VFS_SYS_ACL_SET_FILE( conn, fname, acltype, theacl);
if (ret != 0) {
status = map_nt_error_from_unix_common(ret);
DEBUG(0,("get_nt_acl_no_snum: fset_nt_acl returned zero.\n"));
}
conn_free(conn);
return status;
}
static SMB_ACL_T make_simple_acl(uid_t uid, gid_t gid)
{
mode_t mode = SMB_ACL_READ|SMB_ACL_WRITE;
mode_t mode0 = 0;
SMB_ACL_ENTRY_T entry;
SMB_ACL_T acl = sys_acl_init(4);
if (!acl) {
return NULL;
}
if (sys_acl_create_entry(&acl, &entry) != 0) {
sys_acl_free_acl(acl);
return NULL;
}
if (sys_acl_set_tag_type(entry, SMB_ACL_USER_OBJ) != 0) {
sys_acl_free_acl(acl);
return NULL;
}
if (sys_acl_set_permset(entry, &mode) != 0) {
sys_acl_free_acl(acl);
return NULL;
}
if (sys_acl_create_entry(&acl, &entry) != 0) {
sys_acl_free_acl(acl);
return NULL;
}
if (sys_acl_set_tag_type(entry, SMB_ACL_GROUP_OBJ) != 0) {
sys_acl_free_acl(acl);
return NULL;
}
if (sys_acl_set_permset(entry, &mode) != 0) {
sys_acl_free_acl(acl);
return NULL;
}
if (sys_acl_create_entry(&acl, &entry) != 0) {
sys_acl_free_acl(acl);
return NULL;
}
if (sys_acl_set_tag_type(entry, SMB_ACL_OTHER) != 0) {
sys_acl_free_acl(acl);
return NULL;
}
if (sys_acl_set_permset(entry, &mode0) != 0) {
sys_acl_free_acl(acl);
return NULL;
}
if (sys_acl_create_entry(&acl, &entry) != 0) {
sys_acl_free_acl(acl);
return NULL;
}
if (sys_acl_set_tag_type(entry, SMB_ACL_GROUP) != 0) {
sys_acl_free_acl(acl);
return NULL;
}
if (sys_acl_set_qualifier(entry, &gid) != 0) {
sys_acl_free_acl(acl);
return NULL;
}
if (sys_acl_set_permset(entry, &mode) != 0) {
sys_acl_free_acl(acl);
return NULL;
}
if (sys_acl_create_entry(&acl, &entry) != 0) {
sys_acl_free_acl(acl);
return NULL;
}
if (sys_acl_set_tag_type(entry, SMB_ACL_MASK) != 0) {
sys_acl_free_acl(acl);
return NULL;
}
if (sys_acl_set_permset(entry, &mode0) != 0) {
sys_acl_free_acl(acl);
return NULL;
}
return acl;
}
/*
set a simple ACL on a file, as a test
*/
static PyObject *py_smbd_set_simple_acl(PyObject *self, PyObject *args)
{
NTSTATUS status;
char *fname;
int uid, gid;
SMB_ACL_T acl;
if (!PyArg_ParseTuple(args, "sii", &fname, &uid, &gid))
return NULL;
acl = make_simple_acl(uid, gid);
status = set_sys_acl_no_snum(fname, SMB_ACL_TYPE_ACCESS, acl);
sys_acl_free_acl(acl);
PyErr_NTSTATUS_IS_ERR_RAISE(status);
Py_RETURN_NONE;
}
/*
check if we have ACL support
*/
static PyObject *py_smbd_have_posix_acls(PyObject *self, PyObject *args)
{
#ifdef HAVE_POSIX_ACLS
return PyBool_FromLong(true);
#else
return PyBool_FromLong(false);
#endif
}
static PyMethodDef py_smbd_methods[] = {
{ "have_posix_acls",
(PyCFunction)py_smbd_have_posix_acls, METH_VARARGS,
NULL },
{ "set_simple_acl",
(PyCFunction)py_smbd_set_simple_acl, METH_VARARGS,
NULL },
{ NULL }
};
void initsmbd(void);
void initsmbd(void)
{
PyObject *m;
m = Py_InitModule3("smbd", py_smbd_methods,
"Python bindings for the smbd file server.");
if (m == NULL)
return;
}
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