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ff5c58da55
metze
89 lines
2.3 KiB
C
89 lines
2.3 KiB
C
/*
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Unix SMB/CIFS implementation.
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fast routines for getting the wire size of security objects
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Copyright (C) Andrew Tridgell 2003
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Copyright (C) Stefan Metzmacher 2006-2008
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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 3 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, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "librpc/gen_ndr/ndr_security.h"
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/*
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return the wire size of a security_ace
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*/
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size_t ndr_size_security_ace(const struct security_ace *ace, int flags)
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{
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size_t ret;
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if (!ace) return 0;
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ret = 8 + ndr_size_dom_sid(&ace->trustee, flags);
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switch (ace->type) {
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case SEC_ACE_TYPE_ACCESS_ALLOWED_OBJECT:
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case SEC_ACE_TYPE_ACCESS_DENIED_OBJECT:
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case SEC_ACE_TYPE_SYSTEM_AUDIT_OBJECT:
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case SEC_ACE_TYPE_SYSTEM_ALARM_OBJECT:
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ret += 4; /* uint32 bitmap ace->object.object.flags */
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if (ace->object.object.flags & SEC_ACE_OBJECT_TYPE_PRESENT) {
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ret += 16; /* GUID ace->object.object.type.type */
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}
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if (ace->object.object.flags & SEC_ACE_INHERITED_OBJECT_TYPE_PRESENT) {
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ret += 16; /* GUID ace->object.object.inherited_typeinherited_type */
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}
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break;
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default:
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break;
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}
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return ret;
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}
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/*
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return the wire size of a security_acl
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*/
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size_t ndr_size_security_acl(const struct security_acl *acl, int flags)
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{
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size_t ret;
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int i;
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if (!acl) return 0;
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ret = 8;
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for (i=0;i<acl->num_aces;i++) {
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ret += ndr_size_security_ace(&acl->aces[i], flags);
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}
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return ret;
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}
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/*
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return the wire size of a security descriptor
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*/
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size_t ndr_size_security_descriptor(const struct security_descriptor *sd, int flags)
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{
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size_t ret;
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if (!sd) return 0;
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ret = 20;
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ret += ndr_size_dom_sid(sd->owner_sid, flags);
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ret += ndr_size_dom_sid(sd->group_sid, flags);
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ret += ndr_size_security_acl(sd->dacl, flags);
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ret += ndr_size_security_acl(sd->sacl, flags);
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return ret;
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}
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