/
policy.go
116 lines (104 loc) · 4.09 KB
/
policy.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
/*
* Copyright (c) 2014-2017 MongoDB, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the license is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package gowin32
import (
"github.com/winlabs/gowin32/wrappers"
"syscall"
"unsafe"
)
type AccountRightName string
const (
AccountRightInteractiveLogon AccountRightName = wrappers.SE_INTERACTIVE_LOGON_NAME
AccountRightNetworkLogon AccountRightName = wrappers.SE_NETWORK_LOGON_NAME
AccountRightBatchLogon AccountRightName = wrappers.SE_BATCH_LOGON_NAME
AccountRightServiceLogon AccountRightName = wrappers.SE_SERVICE_LOGON_NAME
AccountRightDenyInteractiveLogon AccountRightName = wrappers.SE_DENY_INTERACTIVE_LOGON_NAME
AccountRightDenyNetworkLogon AccountRightName = wrappers.SE_DENY_NETWORK_LOGON_NAME
AccountRightDenyBatchLogon AccountRightName = wrappers.SE_DENY_BATCH_LOGON_NAME
AccountRightDenyServiceLogon AccountRightName = wrappers.SE_DENY_SERVICE_LOGON_NAME
AccountRightRemoteInteractiveLogon AccountRightName = wrappers.SE_REMOTE_INTERACTIVE_LOGON_NAME
AccountRightDenyRemoteInteractiveLogon AccountRightName = wrappers.SE_DENY_REMOTE_INTERACTIVE_LOGON_NAME
)
type SecurityPolicy struct {
handle syscall.Handle
}
func OpenLocalSecurityPolicy() (*SecurityPolicy, error) {
var handle syscall.Handle
status := wrappers.LsaOpenPolicy(
nil,
&wrappers.OBJECT_ATTRIBUTES{},
wrappers.POLICY_ALL_ACCESS,
&handle)
if err := wrappers.LsaNtStatusToWinError(status); err != nil {
return nil, err
}
return &SecurityPolicy{handle: handle}, nil
}
func (self *SecurityPolicy) Close() error {
if self.handle != 0 {
status := wrappers.LsaClose(self.handle)
if err := wrappers.LsaNtStatusToWinError(status); err != nil {
return err
}
self.handle = 0
}
return nil
}
func (self *SecurityPolicy) GetAccountRights(sid SecurityID) ([]AccountRightName, error) {
var rights *wrappers.UNICODE_STRING
var count uint32
status := wrappers.LsaEnumerateAccountRights(self.handle, sid.sid, &rights, &count)
if err := wrappers.LsaNtStatusToWinError(status); err != nil {
return nil, err
}
defer wrappers.LsaFreeMemory((*byte)(unsafe.Pointer(rights)))
rightNames := make([]AccountRightName, count)
for i := uint32(0); i < count; i++ {
buf := make([]uint16, rights.Length)
wrappers.RtlMoveMemory(
(*byte)(unsafe.Pointer(&buf[0])),
(*byte)(unsafe.Pointer(rights.Buffer)),
uintptr(rights.Length))
rightNames[i] = AccountRightName(syscall.UTF16ToString(buf))
rights = (*wrappers.UNICODE_STRING)(unsafe.Pointer(uintptr(unsafe.Pointer(rights)) + unsafe.Sizeof(*rights)))
}
return rightNames, nil
}
func (self *SecurityPolicy) AddAccountRight(sid SecurityID, right AccountRightName) error {
var rightString wrappers.UNICODE_STRING
wrappers.RtlInitUnicodeString(&rightString, syscall.StringToUTF16Ptr(string(right)))
status := wrappers.LsaAddAccountRights(self.handle, sid.sid, &rightString, 1)
if err := wrappers.LsaNtStatusToWinError(status); err != nil {
return err
}
return nil
}
func (self *SecurityPolicy) RemoveAccountRight(sid SecurityID, right AccountRightName) error {
var rightString wrappers.UNICODE_STRING
wrappers.RtlInitUnicodeString(&rightString, syscall.StringToUTF16Ptr(string(right)))
status := wrappers.LsaRemoveAccountRights(self.handle, sid.sid, false, &rightString, 1)
if err := wrappers.LsaNtStatusToWinError(status); err != nil {
return err
}
return nil
}
func (self *SecurityPolicy) RemoveAllAccountRights(sid SecurityID) error {
status := wrappers.LsaRemoveAccountRights(self.handle, sid.sid, true, nil, 0)
if err := wrappers.LsaNtStatusToWinError(status); err != nil {
return err
}
return nil
}