mirror of
https://github.com/samba-team/samba.git
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fc6543ca78
Guenther
300 lines
6.0 KiB
C
300 lines
6.0 KiB
C
/*
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Python wrappers for DCERPC/SMB client routines.
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Copyright (C) Tim Potter, 2002
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "python/py_common.h"
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/* Convert a SID to a Python dict */
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BOOL py_from_SID(PyObject **obj, DOM_SID *sid)
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{
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fstring sidstr;
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if (!sid) {
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Py_INCREF(Py_None);
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*obj = Py_None;
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return True;
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}
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if (!sid_to_string(sidstr, sid))
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return False;
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*obj = PyString_FromString(sidstr);
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return True;
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}
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BOOL py_to_SID(DOM_SID *sid, PyObject *obj)
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{
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if (!PyString_Check(obj))
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return False;
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return string_to_sid(sid, PyString_AsString(obj));
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}
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BOOL py_from_ACE(PyObject **dict, SEC_ACE *ace)
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{
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PyObject *obj;
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if (!ace) {
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Py_INCREF(Py_None);
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*dict = Py_None;
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return True;
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}
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*dict = Py_BuildValue("{sisisi}", "type", ace->type,
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"flags", ace->flags,
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"mask", ace->access_mask);
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if (py_from_SID(&obj, &ace->trustee)) {
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PyDict_SetItemString(*dict, "trustee", obj);
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Py_DECREF(obj);
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}
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return True;
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}
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BOOL py_to_ACE(SEC_ACE *ace, PyObject *dict)
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{
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PyObject *obj;
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uint8 ace_type, ace_flags;
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DOM_SID trustee;
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SEC_ACCESS sec_access;
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if (!PyDict_Check(dict))
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return False;
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if (!(obj = PyDict_GetItemString(dict, "type")) ||
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!PyInt_Check(obj))
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return False;
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ace_type = PyInt_AsLong(obj);
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if (!(obj = PyDict_GetItemString(dict, "flags")) ||
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!PyInt_Check(obj))
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return False;
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ace_flags = PyInt_AsLong(obj);
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if (!(obj = PyDict_GetItemString(dict, "trustee")) ||
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!PyString_Check(obj))
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return False;
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if (!py_to_SID(&trustee, obj))
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return False;
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if (!(obj = PyDict_GetItemString(dict, "mask")) ||
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!PyInt_Check(obj))
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return False;
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sec_access = PyInt_AsLong(obj);
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init_sec_ace(ace, &trustee, ace_type, sec_access, ace_flags);
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/* Fill in size field */
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ace->size = SEC_ACE_HEADER_SIZE + sid_size(&trustee);
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return True;
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}
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BOOL py_from_ACL(PyObject **dict, SEC_ACL *acl)
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{
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PyObject *ace_list;
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int i;
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if (!acl) {
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Py_INCREF(Py_None);
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*dict = Py_None;
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return True;
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}
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ace_list = PyList_New(acl->num_aces);
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for (i = 0; i < acl->num_aces; i++) {
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PyObject *obj;
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if (py_from_ACE(&obj, &acl->aces[i]))
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PyList_SetItem(ace_list, i, obj);
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}
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*dict = Py_BuildValue("{sisN}", "revision", acl->revision,
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"ace_list", ace_list);
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return True;
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}
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BOOL py_to_ACL(SEC_ACL *acl, PyObject *dict, TALLOC_CTX *mem_ctx)
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{
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PyObject *obj;
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uint32 i;
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if (!(obj = PyDict_GetItemString(dict, "revision")) ||
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!PyInt_Check(obj))
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return False;
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acl->revision = PyInt_AsLong(obj);
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if (!(obj = PyDict_GetItemString(dict, "ace_list")) ||
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!PyList_Check(obj))
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return False;
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acl->num_aces = PyList_Size(obj);
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acl->aces = talloc_array(mem_ctx, struct security_ace, acl->num_aces);
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acl->size = SEC_ACL_HEADER_SIZE;
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for (i = 0; i < acl->num_aces; i++) {
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PyObject *py_ace = PyList_GetItem(obj, i);
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if (!py_to_ACE(&acl->aces[i], py_ace))
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return False;
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acl->size += acl->aces[i].size;
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}
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return True;
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}
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BOOL py_from_SECDESC(PyObject **dict, SEC_DESC *sd)
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{
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PyObject *obj;
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*dict = PyDict_New();
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obj = PyInt_FromLong(sd->revision);
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PyDict_SetItemString(*dict, "revision", obj);
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Py_DECREF(obj);
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obj = PyInt_FromLong(sd->type);
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PyDict_SetItemString(*dict, "type", obj);
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Py_DECREF(obj);
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if (py_from_SID(&obj, sd->owner_sid)) {
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PyDict_SetItemString(*dict, "owner_sid", obj);
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Py_DECREF(obj);
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}
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if (py_from_SID(&obj, sd->group_sid)) {
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PyDict_SetItemString(*dict, "group_sid", obj);
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Py_DECREF(obj);
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}
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if (py_from_ACL(&obj, sd->dacl)) {
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PyDict_SetItemString(*dict, "dacl", obj);
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Py_DECREF(obj);
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}
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if (py_from_ACL(&obj, sd->sacl)) {
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PyDict_SetItemString(*dict, "sacl", obj);
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Py_DECREF(obj);
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}
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return True;
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}
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BOOL py_to_SECDESC(SEC_DESC **sd, PyObject *dict, TALLOC_CTX *mem_ctx)
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{
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PyObject *obj;
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uint16 revision;
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uint16 type = SEC_DESC_SELF_RELATIVE;
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DOM_SID owner_sid, group_sid;
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SEC_ACL sacl, dacl;
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BOOL got_dacl = False, got_sacl = False;
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BOOL got_owner_sid = False, got_group_sid = False;
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ZERO_STRUCT(dacl); ZERO_STRUCT(sacl);
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ZERO_STRUCT(owner_sid); ZERO_STRUCT(group_sid);
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if (!(obj = PyDict_GetItemString(dict, "revision")))
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return False;
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revision = PyInt_AsLong(obj);
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if ((obj = PyDict_GetItemString(dict, "type"))) {
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if (obj != Py_None) {
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type = PyInt_AsLong(obj);
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}
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}
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if ((obj = PyDict_GetItemString(dict, "owner_sid"))) {
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if (obj != Py_None) {
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if (!py_to_SID(&owner_sid, obj))
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return False;
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got_owner_sid = True;
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}
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}
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if ((obj = PyDict_GetItemString(dict, "group_sid"))) {
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if (obj != Py_None) {
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if (!py_to_SID(&group_sid, obj))
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return False;
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got_group_sid = True;
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}
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}
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if ((obj = PyDict_GetItemString(dict, "dacl"))) {
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if (obj != Py_None) {
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if (!py_to_ACL(&dacl, obj, mem_ctx))
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return False;
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got_dacl = True;
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}
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}
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if ((obj = PyDict_GetItemString(dict, "sacl"))) {
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if (obj != Py_None) {
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if (!py_to_ACL(&sacl, obj, mem_ctx))
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return False;
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got_sacl = True;
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}
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}
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#if 0 /* For new secdesc code */
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*sd = make_sec_desc(mem_ctx, revision,
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got_owner_sid ? &owner_sid : NULL,
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got_group_sid ? &group_sid : NULL,
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got_sacl ? &sacl : NULL,
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got_dacl ? &dacl : NULL);
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#else
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{
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size_t sd_size;
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*sd = make_sec_desc(mem_ctx, revision, type,
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got_owner_sid ? &owner_sid : NULL,
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got_group_sid ? &group_sid : NULL,
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got_sacl ? &sacl : NULL,
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got_dacl ? &dacl : NULL, &sd_size);
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}
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#endif
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return True;
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}
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