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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 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"
/****************************************************************************
query the security descriptor for a open file
****************************************************************************/
SEC_DESC *cli_query_secdesc(struct cli_state *cli, int fnum,
TALLOC_CTX *mem_ctx)
{
char param[8];
char *rparam=NULL, *rdata=NULL;
unsigned int rparam_count=0, rdata_count=0;
prs_struct pd;
BOOL pd_initialized = False;
SEC_DESC *psd = NULL;
SIVAL(param, 0, fnum);
SIVAL(param, 4, 0x7);
if (!cli_send_nt_trans(cli,
NT_TRANSACT_QUERY_SECURITY_DESC,
0,
NULL, 0, 0,
param, 8, 4,
NULL, 0, 0x10000)) {
DEBUG(1,("Failed to send NT_TRANSACT_QUERY_SECURITY_DESC\n"));
goto cleanup;
}
if (!cli_receive_nt_trans(cli,
&rparam, &rparam_count,
&rdata, &rdata_count)) {
DEBUG(1,("Failed to recv NT_TRANSACT_QUERY_SECURITY_DESC\n"));
goto cleanup;
}
if (cli_is_error(cli))
goto cleanup;
if (!prs_init(&pd, rdata_count, mem_ctx, UNMARSHALL)) {
goto cleanup;
}
pd_initialized = True;
prs_copy_data_in(&pd, rdata, rdata_count);
prs_set_offset(&pd,0);
if (!sec_io_desc("sd data", &psd, &pd, 1)) {
DEBUG(1,("Failed to parse secdesc\n"));
goto cleanup;
}
cleanup:
SAFE_FREE(rparam);
SAFE_FREE(rdata);
if (pd_initialized)
prs_mem_free(&pd);
return psd;
}
/****************************************************************************
set the security descriptor for a open file
****************************************************************************/
BOOL cli_set_secdesc(struct cli_state *cli, int 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 *mem_ctx;
prs_struct pd;
BOOL ret = False;
if ((mem_ctx = talloc_init("cli_set_secdesc")) == NULL) {
DEBUG(0,("talloc_init failed.\n"));
goto cleanup;
}
prs_init(&pd, 0, mem_ctx, MARSHALL);
prs_give_memory(&pd, NULL, 0, True);
if (!sec_io_desc("sd data", &sd, &pd, 1)) {
DEBUG(1,("Failed to marshall secdesc\n"));
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,
prs_data_p(&pd), prs_offset(&pd), 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_destroy(mem_ctx);
prs_mem_free(&pd);
return ret;
}
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