2017-02-21 09:04:05 +00:00
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/*
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* __SystemSecurity implementation
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*
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* Copyright 2014 Vincent Povirk for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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2018-03-24 12:12:50 +00:00
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#define COBJMACROS
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wbemcli.h"
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#include "iads.h"
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#include "wine/debug.h"
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2017-02-21 09:04:05 +00:00
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#include "wbemprox_private.h"
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2018-03-24 12:12:50 +00:00
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WINE_DEFAULT_DEBUG_CHANNEL(wbemprox);
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2017-02-21 09:04:05 +00:00
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static HRESULT to_byte_array( void *data, DWORD size, VARIANT *var )
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{
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SAFEARRAY *sa;
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void *sadata;
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HRESULT hr;
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if (!(sa = SafeArrayCreateVector( VT_UI1, 0, size ))) return E_OUTOFMEMORY;
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hr = SafeArrayAccessData( sa, &sadata );
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if (SUCCEEDED(hr))
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{
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memcpy( sadata, data, size );
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SafeArrayUnaccessData( sa );
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}
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else
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{
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SafeArrayDestroy( sa );
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return hr;
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}
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set_variant( VT_UI1|VT_ARRAY, 0, sa, var );
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return S_OK;
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}
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static HRESULT get_sd( SECURITY_DESCRIPTOR **sd, DWORD *size )
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{
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BYTE sid_admin_buffer[SECURITY_MAX_SID_SIZE];
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SID *sid_admin = (SID*)sid_admin_buffer;
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BYTE sid_network_buffer[SECURITY_MAX_SID_SIZE];
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SID *sid_network = (SID*)sid_network_buffer;
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BYTE sid_local_buffer[SECURITY_MAX_SID_SIZE];
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SID *sid_local = (SID*)sid_local_buffer;
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BYTE sid_users_buffer[SECURITY_MAX_SID_SIZE];
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SID *sid_users = (SID*)sid_users_buffer;
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BYTE acl_buffer[sizeof(ACL) + 4 * (sizeof(ACCESS_ALLOWED_ACE) - sizeof(DWORD) + SECURITY_MAX_SID_SIZE)];
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ACL *acl = (ACL*)acl_buffer;
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DWORD sid_size;
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SECURITY_DESCRIPTOR absolute_sd;
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HRESULT hr = S_OK;
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sid_size = sizeof(sid_admin_buffer);
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CreateWellKnownSid( WinBuiltinAdministratorsSid, NULL, sid_admin, &sid_size );
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sid_size = sizeof(sid_network_buffer);
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CreateWellKnownSid( WinNetworkServiceSid, NULL, sid_network, &sid_size );
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sid_size = sizeof(sid_local_buffer);
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CreateWellKnownSid( WinLocalServiceSid, NULL, sid_local, &sid_size );
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sid_size = sizeof(sid_users_buffer);
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CreateWellKnownSid( WinAuthenticatedUserSid, NULL, sid_users, &sid_size );
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InitializeAcl( acl, sizeof(acl_buffer), ACL_REVISION );
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AddAccessAllowedAceEx( acl, ACL_REVISION, CONTAINER_INHERIT_ACE|INHERITED_ACE,
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ADS_RIGHT_DS_CREATE_CHILD|ADS_RIGHT_DS_DELETE_CHILD|ADS_RIGHT_ACTRL_DS_LIST|ADS_RIGHT_DS_SELF|
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ADS_RIGHT_DS_READ_PROP|ADS_RIGHT_DS_WRITE_PROP|READ_CONTROL|WRITE_DAC,
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sid_admin );
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AddAccessAllowedAceEx( acl, ACL_REVISION, CONTAINER_INHERIT_ACE|INHERITED_ACE,
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ADS_RIGHT_DS_CREATE_CHILD|ADS_RIGHT_DS_DELETE_CHILD|ADS_RIGHT_DS_READ_PROP,
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sid_network );
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AddAccessAllowedAceEx( acl, ACL_REVISION, CONTAINER_INHERIT_ACE|INHERITED_ACE,
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ADS_RIGHT_DS_CREATE_CHILD|ADS_RIGHT_DS_DELETE_CHILD|ADS_RIGHT_DS_READ_PROP,
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sid_local );
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AddAccessAllowedAceEx( acl, ACL_REVISION, CONTAINER_INHERIT_ACE|INHERITED_ACE,
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ADS_RIGHT_DS_CREATE_CHILD|ADS_RIGHT_DS_DELETE_CHILD|ADS_RIGHT_DS_READ_PROP,
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sid_users );
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InitializeSecurityDescriptor( &absolute_sd, SECURITY_DESCRIPTOR_REVISION );
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SetSecurityDescriptorOwner( &absolute_sd, sid_admin, TRUE );
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SetSecurityDescriptorGroup( &absolute_sd, sid_admin, TRUE );
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SetSecurityDescriptorDacl( &absolute_sd, TRUE, acl, TRUE );
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*size = GetSecurityDescriptorLength( &absolute_sd );
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*sd = HeapAlloc( GetProcessHeap(), 0, *size );
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if (!*sd)
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hr = E_OUTOFMEMORY;
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if (SUCCEEDED(hr))
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{
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if (!MakeSelfRelativeSD(&absolute_sd, *sd, size)) {
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HeapFree( GetProcessHeap(), 0, *sd );
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*sd = NULL;
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hr = E_FAIL;
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}
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}
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return hr;
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}
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HRESULT security_get_sd( IWbemClassObject *obj, IWbemClassObject *in, IWbemClassObject **out )
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{
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VARIANT var_sd, retval;
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IWbemClassObject *sig, *out_params = NULL;
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HRESULT hr, ret;
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SECURITY_DESCRIPTOR *sd;
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DWORD sd_size;
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TRACE("%p, %p\n", in, out);
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hr = create_signature( class_systemsecurityW, method_getsdW, PARAM_OUT, &sig );
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if (SUCCEEDED(hr))
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{
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hr = IWbemClassObject_SpawnInstance( sig, 0, &out_params );
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IWbemClassObject_Release( sig );
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}
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if (SUCCEEDED(hr))
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{
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ret = get_sd( &sd, &sd_size );
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if (SUCCEEDED(ret))
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{
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VariantInit( &var_sd );
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hr = to_byte_array( sd, sd_size, &var_sd );
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if (SUCCEEDED(hr))
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hr = IWbemClassObject_Put( out_params, param_sdW, 0, &var_sd, CIM_UINT8|CIM_FLAG_ARRAY );
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HeapFree( GetProcessHeap(), 0, sd );
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VariantClear( &var_sd );
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}
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if (SUCCEEDED(hr))
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{
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set_variant( VT_UI4, ret, NULL, &retval );
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hr = IWbemClassObject_Put( out_params, param_returnvalueW, 0, &retval, CIM_UINT32 );
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}
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if (SUCCEEDED(hr) && out)
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{
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*out = out_params;
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IWbemClassObject_AddRef( out_params );
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}
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IWbemClassObject_Release( out_params );
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}
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return hr;
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}
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HRESULT security_set_sd( IWbemClassObject *obj, IWbemClassObject *in, IWbemClassObject **out )
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{
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VARIANT retval;
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IWbemClassObject *sig, *out_params = NULL;
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HRESULT hr;
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FIXME("stub\n");
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hr = create_signature( class_systemsecurityW, method_setsdW, PARAM_OUT, &sig );
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if (SUCCEEDED(hr))
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{
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hr = IWbemClassObject_SpawnInstance( sig, 0, &out_params );
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IWbemClassObject_Release( sig );
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}
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if (SUCCEEDED(hr))
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{
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set_variant( VT_UI4, S_OK, NULL, &retval );
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hr = IWbemClassObject_Put( out_params, param_returnvalueW, 0, &retval, CIM_UINT32 );
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if (SUCCEEDED(hr) && out)
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{
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*out = out_params;
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IWbemClassObject_AddRef( out_params );
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}
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IWbemClassObject_Release( out_params );
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}
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return hr;
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}
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