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/*
Unix SMB/CIFS implementation.
client security descriptor functions
Copyright (C) Andrew Tridgell 2000
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"
/****************************************************************************
query the security descriptor for a open file
****************************************************************************/
SEC_DESC *cli_query_secdesc(struct cli_state *cli, uint16_t fnum,
TALLOC_CTX *mem_ctx)
{
uint8_t param[8];
uint8_t *rparam=NULL, *rdata=NULL;
unsigned int rparam_count=0, rdata_count=0;
SEC_DESC *psd = NULL;
NTSTATUS status;
SIVAL(param, 0, fnum);
SIVAL(param, 4, 0x7);
status = cli_trans(talloc_tos(), cli, SMBnttrans,
NULL, -1, /* name, fid */
NT_TRANSACT_QUERY_SECURITY_DESC, 0, /* function, flags */
NULL, 0, 0, /* setup, length, max */
param, 8, 4, /* param, length, max */
NULL, 0, 0x10000, /* data, length, max */
NULL, NULL, /* rsetup, length */
&rparam, &rparam_count,
&rdata, &rdata_count);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(1, ("NT_TRANSACT_QUERY_SECURITY_DESC failed: %s\n",
nt_errstr(status)));
goto cleanup;
}
status = unmarshall_sec_desc(mem_ctx, (uint8 *)rdata, rdata_count,
&psd);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(10, ("unmarshall_sec_desc failed: %s\n",
nt_errstr(status)));
goto cleanup;
}
cleanup:
TALLOC_FREE(rparam);
TALLOC_FREE(rdata);
return psd;
}
/****************************************************************************
set the security descriptor for a open file
****************************************************************************/
bool cli_set_secdesc(struct cli_state *cli, uint16_t fnum, SEC_DESC *sd)
{
char param[8];
char *rparam=NULL, *rdata=NULL;
unsigned int rparam_count=0, rdata_count=0;
uint32 sec_info = 0;
TALLOC_CTX *frame = talloc_stackframe();
bool ret = False;
uint8 *data;
size_t len;
NTSTATUS status;
status = marshall_sec_desc(talloc_tos(), sd, &data, &len);
if (!NT_STATUS_IS_OK(status)) {
DEBUG(10, ("marshall_sec_desc failed: %s\n",
nt_errstr(status)));
goto cleanup;
}
SIVAL(param, 0, fnum);
if (sd->dacl)
sec_info |= DACL_SECURITY_INFORMATION;
if (sd->owner_sid)
sec_info |= OWNER_SECURITY_INFORMATION;
if (sd->group_sid)
sec_info |= GROUP_SECURITY_INFORMATION;
SSVAL(param, 4, sec_info);
if (!cli_send_nt_trans(cli,
NT_TRANSACT_SET_SECURITY_DESC,
0,
NULL, 0, 0,
param, 8, 0,
(char *)data, len, 0)) {
DEBUG(1,("Failed to send NT_TRANSACT_SET_SECURITY_DESC\n"));
goto cleanup;
}
if (!cli_receive_nt_trans(cli,
&rparam, &rparam_count,
&rdata, &rdata_count)) {
DEBUG(1,("NT_TRANSACT_SET_SECURITY_DESC failed\n"));
goto cleanup;
}
ret = True;
cleanup:
SAFE_FREE(rparam);
SAFE_FREE(rdata);
TALLOC_FREE(frame);
return ret;
}
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