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/*
Unix SMB/CIFS implementation.
routines for marshalling/unmarshalling security descriptors
and related structures
Copyright (C) Andrew Tridgell 2003
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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
#include "librpc/gen_ndr/ndr_security.h"
/*
parse a dom_sid2 - this is a dom_sid but with an extra copy of the num_auths field
*/
NTSTATUS ndr_pull_dom_sid2(struct ndr_pull *ndr, int ndr_flags, struct dom_sid *sid)
{
uint32_t num_auths;
if (!(ndr_flags & NDR_SCALARS)) {
return NT_STATUS_OK;
}
NDR_CHECK(ndr_pull_uint32(ndr, NDR_SCALARS, &num_auths));
NDR_CHECK(ndr_pull_dom_sid(ndr, ndr_flags, sid));
if (sid->num_auths != num_auths) {
return ndr_pull_error(ndr, NDR_ERR_ARRAY_SIZE,
"Bad array size %u should exceed %u",
num_auths, sid->num_auths);
}
return NT_STATUS_OK;
}
/*
parse a dom_sid2 - this is a dom_sid but with an extra copy of the num_auths field
*/
NTSTATUS ndr_push_dom_sid2(struct ndr_push *ndr, int ndr_flags, const struct dom_sid *sid)
{
if (!(ndr_flags & NDR_SCALARS)) {
return NT_STATUS_OK;
}
NDR_CHECK(ndr_push_uint32(ndr, NDR_SCALARS, sid->num_auths));
return ndr_push_dom_sid(ndr, ndr_flags, sid);
}
/*
parse a dom_sid28 - this is a dom_sid in a fixed 28 byte buffer, so we need to ensure there are only upto 5 sub_auth
*/
NTSTATUS ndr_pull_dom_sid28(struct ndr_pull *ndr, int ndr_flags, struct dom_sid *sid)
{
NTSTATUS status;
struct ndr_pull *subndr;
if (!(ndr_flags & NDR_SCALARS)) {
return NT_STATUS_OK;
}
subndr = talloc_zero(ndr, struct ndr_pull);
NT_STATUS_HAVE_NO_MEMORY(subndr);
subndr->flags = ndr->flags;
subndr->current_mem_ctx = ndr->current_mem_ctx;
subndr->data = ndr->data + ndr->offset;
subndr->data_size = 28;
subndr->offset = 0;
NDR_CHECK(ndr_pull_advance(ndr, 28));
status = ndr_pull_dom_sid(subndr, ndr_flags, sid);
if (!NT_STATUS_IS_OK(status)) {
/* handle a w2k bug which send random data in the buffer */
ZERO_STRUCTP(sid);
}
return NT_STATUS_OK;
}
/*
push a dom_sid28 - this is a dom_sid in a 28 byte fixed buffer
*/
NTSTATUS ndr_push_dom_sid28(struct ndr_push *ndr, int ndr_flags, const struct dom_sid *sid)
{
uint32_t old_offset;
uint32_t padding;
if (!(ndr_flags & NDR_SCALARS)) {
return NT_STATUS_OK;
}
if (sid->num_auths > 5) {
return ndr_push_error(ndr, NDR_ERR_RANGE,
"dom_sid28 allows only upto 5 sub auth [%u]",
sid->num_auths);
}
old_offset = ndr->offset;
NDR_CHECK(ndr_push_dom_sid(ndr, ndr_flags, sid));
padding = 28 - (ndr->offset - old_offset);
if (padding > 0) {
NDR_CHECK(ndr_push_zero(ndr, padding));
}
return NT_STATUS_OK;
}
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