blob: 009e3524a71e0a7811f6afef18009973063af671 (
plain)
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
|
/*
Unix SMB/CIFS implementation.
fast routines for getting the wire size of security objects
Copyright (C) Andrew Tridgell 2003
Copyright (C) Stefan Metzmacher 2006-2008
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 "librpc/gen_ndr/ndr_security.h"
/*
return the wire size of a security_ace
*/
size_t ndr_size_security_ace(const struct security_ace *ace, int flags)
{
size_t ret;
if (!ace) return 0;
ret = 8 + ndr_size_dom_sid(&ace->trustee, flags);
switch (ace->type) {
case SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT:
case SEC_ACE_TYPE_ACCESS_DENIED_OBJECT:
case SEC_ACE_TYPE_SYSTEM_AUDIT_OBJECT:
case SEC_ACE_TYPE_SYSTEM_ALARM_OBJECT:
ret += 4; /* uint32 bitmap ace->object.object.flags */
if (ace->object.object.flags & SEC_ACE_OBJECT_TYPE_PRESENT) {
ret += 16; /* GUID ace->object.object.type.type */
}
if (ace->object.object.flags & SEC_ACE_INHERITED_OBJECT_TYPE_PRESENT) {
ret += 16; /* GUID ace->object.object.inherited_typeinherited_type */
}
break;
default:
break;
}
return ret;
}
/*
return the wire size of a security_acl
*/
size_t ndr_size_security_acl(const struct security_acl *acl, int flags)
{
size_t ret;
int i;
if (!acl) return 0;
ret = 8;
for (i=0;i<acl->num_aces;i++) {
ret += ndr_size_security_ace(&acl->aces[i], flags);
}
return ret;
}
/*
return the wire size of a security descriptor
*/
size_t ndr_size_security_descriptor(const struct security_descriptor *sd, int flags)
{
size_t ret;
if (!sd) return 0;
ret = 20;
ret += ndr_size_dom_sid(sd->owner_sid, flags);
ret += ndr_size_dom_sid(sd->group_sid, flags);
ret += ndr_size_security_acl(sd->dacl, flags);
ret += ndr_size_security_acl(sd->sacl, flags);
return ret;
}
|
