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/*
Unix SMB / CIFS implementation .
async implementation of WINBINDD_SIDS_TO_XIDS
Copyright ( C ) Volker Lendecke 2011
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Copyright ( C ) Michael Adam 2012
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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"
# include "winbindd.h"
# include "../libcli/security/security.h"
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struct winbindd_sids_to_xids_state {
struct tevent_context * ev ;
struct dom_sid * sids ;
uint32_t num_sids ;
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struct unixid * xids ;
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} ;
static void winbindd_sids_to_xids_done ( struct tevent_req * subreq ) ;
struct tevent_req * winbindd_sids_to_xids_send ( TALLOC_CTX * mem_ctx ,
struct tevent_context * ev ,
struct winbindd_cli_state * cli ,
struct winbindd_request * request )
{
struct tevent_req * req , * subreq ;
struct winbindd_sids_to_xids_state * state ;
req = tevent_req_create ( mem_ctx , & state ,
struct winbindd_sids_to_xids_state ) ;
if ( req = = NULL ) {
return NULL ;
}
state - > ev = ev ;
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D_NOTICE ( " [%s (%u)] Winbind external command SIDS_TO_XIDS start. \n " ,
cli - > client_name ,
( unsigned int ) cli - > pid ) ;
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if ( request - > extra_len = = 0 ) {
tevent_req_done ( req ) ;
return tevent_req_post ( req , ev ) ;
}
if ( request - > extra_data . data [ request - > extra_len - 1 ] ! = ' \0 ' ) {
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D_DEBUG ( " Got invalid sids list \n " ) ;
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tevent_req_nterror ( req , NT_STATUS_INVALID_PARAMETER ) ;
return tevent_req_post ( req , ev ) ;
}
if ( ! parse_sidlist ( state , request - > extra_data . data ,
& state - > sids , & state - > num_sids ) ) {
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D_DEBUG ( " parse_sidlist failed \n " ) ;
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tevent_req_nterror ( req , NT_STATUS_INVALID_PARAMETER ) ;
return tevent_req_post ( req , ev ) ;
}
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D_DEBUG ( " Resolving % " PRIu32 " SID(s). \n " , state - > num_sids ) ;
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subreq = wb_sids2xids_send ( state , ev , state - > sids , state - > num_sids ) ;
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if ( tevent_req_nomem ( subreq , req ) ) {
return tevent_req_post ( req , ev ) ;
}
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tevent_req_set_callback ( subreq , winbindd_sids_to_xids_done , req ) ;
return req ;
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}
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static void winbindd_sids_to_xids_done ( struct tevent_req * subreq )
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{
struct tevent_req * req = tevent_req_callback_data (
subreq , struct tevent_req ) ;
struct winbindd_sids_to_xids_state * state = tevent_req_data (
req , struct winbindd_sids_to_xids_state ) ;
NTSTATUS status ;
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state - > xids = talloc_zero_array ( state , struct unixid , state - > num_sids ) ;
if ( tevent_req_nomem ( state - > xids , req ) ) {
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return ;
}
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status = wb_sids2xids_recv ( subreq , state - > xids , state - > num_sids ) ;
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TALLOC_FREE ( subreq ) ;
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if ( tevent_req_nterror ( req , status ) ) {
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return ;
}
tevent_req_done ( req ) ;
}
NTSTATUS winbindd_sids_to_xids_recv ( struct tevent_req * req ,
struct winbindd_response * response )
{
struct winbindd_sids_to_xids_state * state = tevent_req_data (
req , struct winbindd_sids_to_xids_state ) ;
NTSTATUS status ;
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char * result = NULL ;
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uint32_t i ;
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D_NOTICE ( " Winbind external command SIDS_TO_XIDS end. \n " ) ;
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if ( tevent_req_is_nterror ( req , & status ) ) {
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D_WARNING ( " Could not convert sids: %s \n " , nt_errstr ( status ) ) ;
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return status ;
}
result = talloc_strdup ( response , " " ) ;
for ( i = 0 ; i < state - > num_sids ; i + + ) {
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char type = ' \0 ' ;
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bool found = true ;
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struct unixid xid ;
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xid = state - > xids [ i ] ;
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switch ( xid . type ) {
case ID_TYPE_UID :
type = ' U ' ;
break ;
case ID_TYPE_GID :
type = ' G ' ;
break ;
case ID_TYPE_BOTH :
type = ' B ' ;
break ;
default :
found = false ;
break ;
}
if ( xid . id = = UINT32_MAX ) {
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found = false ;
}
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if ( found ) {
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talloc_asprintf_addbuf (
& result ,
" %c%lu \n " ,
type ,
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( unsigned long ) xid . id ) ;
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} else {
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talloc_asprintf_addbuf ( & result , " \n " ) ;
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}
}
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if ( result = = NULL ) {
return NT_STATUS_NO_MEMORY ;
}
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response - > extra_data . data = result ;
response - > length + = talloc_get_size ( result ) ;
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return NT_STATUS_OK ;
}