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/*
Unix SMB / Netbios implementation .
Version 3.0
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 0213 9 , USA .
*/
# define NO_SYSLOG
# include "includes.h"
/****************************************************************************
query the security descriptor for a open file
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
SEC_DESC * cli_query_secdesc ( struct cli_state * cli , int fd )
{
char param [ 8 ] ;
char * rparam = NULL , * rdata = NULL ;
int rparam_count = 0 , rdata_count = 0 ;
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TALLOC_CTX * mem_ctx = NULL ;
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prs_struct pd ;
SEC_DESC * psd = NULL ;
SIVAL ( param , 0 , fd ) ;
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SSVAL ( param , 4 , 0x7 ) ;
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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 " ) ) ;
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goto cleanup ;
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}
if ( ! cli_receive_nt_trans ( cli ,
& rparam , & rparam_count ,
& rdata , & rdata_count ) ) {
DEBUG ( 1 , ( " Failed to recv NT_TRANSACT_QUERY_SECURITY_DESC \n " ) ) ;
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goto cleanup ;
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}
if ( ( mem_ctx = talloc_init ( ) ) = = NULL ) {
DEBUG ( 0 , ( " talloc_init failed. \n " ) ) ;
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goto cleanup ;
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}
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prs_init ( & pd , rdata_count , mem_ctx , UNMARSHALL ) ;
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prs_append_data ( & pd , rdata , rdata_count ) ;
pd . data_offset = 0 ;
if ( ! sec_io_desc ( " sd data " , & psd , & pd , 1 ) ) {
DEBUG ( 1 , ( " Failed to parse secdesc \n " ) ) ;
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goto cleanup ;
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}
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cleanup :
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if ( mem_ctx ) {
talloc_destroy ( mem_ctx ) ;
prs_mem_free ( & pd ) ;
}
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safe_free ( rparam ) ;
safe_free ( rdata ) ;
return psd ;
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}
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/****************************************************************************
set the security descriptor for a open file
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
BOOL cli_set_secdesc ( struct cli_state * cli , int fd , SEC_DESC * sd )
{
char param [ 8 ] ;
char * rparam = NULL , * rdata = NULL ;
int rparam_count = 0 , rdata_count = 0 ;
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TALLOC_CTX * mem_ctx = NULL ;
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prs_struct pd ;
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BOOL ret = False ;
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if ( ( mem_ctx = talloc_init ( ) ) = = NULL ) {
DEBUG ( 0 , ( " talloc_init failed. \n " ) ) ;
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goto cleanup ;
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}
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prs_init ( & pd , 0 , mem_ctx , MARSHALL ) ;
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prs_give_memory ( & pd , NULL , 0 , True ) ;
if ( ! sec_io_desc ( " sd data " , & sd , & pd , 1 ) ) {
DEBUG ( 1 , ( " Failed to marshall secdesc \n " ) ) ;
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goto cleanup ;
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}
SIVAL ( param , 0 , fd ) ;
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SSVAL ( param , 4 , 0x7 ) ;
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if ( ! cli_send_nt_trans ( cli ,
NT_TRANSACT_SET_SECURITY_DESC ,
0 ,
NULL , 0 , 0 ,
param , 8 , 0 ,
pd . data_p , pd . data_offset , 0 ) ) {
DEBUG ( 1 , ( " Failed to send NT_TRANSACT_SET_SECURITY_DESC \n " ) ) ;
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goto cleanup ;
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}
if ( ! cli_receive_nt_trans ( cli ,
& rparam , & rparam_count ,
& rdata , & rdata_count ) ) {
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DEBUG ( 1 , ( " NT_TRANSACT_SET_SECURITY_DESC failed \n " ) ) ;
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goto cleanup ;
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}
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ret = True ;
cleanup :
safe_free ( rparam ) ;
safe_free ( rdata ) ;
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if ( mem_ctx ) {
talloc_destroy ( mem_ctx ) ;
prs_mem_free ( & pd ) ;
}
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return ret ;
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}