Sweden-Number/dlls/wbemprox/wbemlocator.c

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/*
* Copyright 2009 Hans Leidekker for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#define COBJMACROS
#include "config.h"
#include <stdarg.h>
#include "windef.h"
#include "winbase.h"
#include "objbase.h"
#include "wbemcli.h"
#include "wine/debug.h"
#include "wine/unicode.h"
#include "wbemprox_private.h"
WINE_DEFAULT_DEBUG_CHANNEL(wbemprox);
typedef struct
{
IWbemLocator IWbemLocator_iface;
LONG refs;
} wbem_locator;
static inline wbem_locator *impl_from_IWbemLocator( IWbemLocator *iface )
{
return CONTAINING_RECORD(iface, wbem_locator, IWbemLocator_iface);
}
static ULONG WINAPI wbem_locator_AddRef(
IWbemLocator *iface )
{
wbem_locator *wl = impl_from_IWbemLocator( iface );
return InterlockedIncrement( &wl->refs );
}
static ULONG WINAPI wbem_locator_Release(
IWbemLocator *iface )
{
wbem_locator *wl = impl_from_IWbemLocator( iface );
LONG refs = InterlockedDecrement( &wl->refs );
if (!refs)
{
TRACE("destroying %p\n", wl);
heap_free( wl );
}
return refs;
}
static HRESULT WINAPI wbem_locator_QueryInterface(
IWbemLocator *iface,
REFIID riid,
void **ppvObject )
{
wbem_locator *This = impl_from_IWbemLocator( iface );
TRACE("%p %s %p\n", This, debugstr_guid( riid ), ppvObject );
if ( IsEqualGUID( riid, &IID_IWbemLocator ) ||
IsEqualGUID( riid, &IID_IUnknown ) )
{
*ppvObject = iface;
}
else
{
FIXME("interface %s not implemented\n", debugstr_guid(riid));
return E_NOINTERFACE;
}
IWbemLocator_AddRef( iface );
return S_OK;
}
static BOOL is_local_machine( const WCHAR *server )
{
static const WCHAR dotW[] = {'.',0};
WCHAR buffer[MAX_COMPUTERNAME_LENGTH + 1];
DWORD len = sizeof(buffer) / sizeof(buffer[0]);
if (!server || !strcmpW( server, dotW )) return TRUE;
if (GetComputerNameW( buffer, &len ) && !strcmpiW( server, buffer )) return TRUE;
return FALSE;
}
static HRESULT parse_resource( const WCHAR *resource, WCHAR **server, WCHAR **namespace )
{
static const WCHAR rootW[] = {'R','O','O','T'};
static const WCHAR cimv2W[] = {'C','I','M','V','2'};
HRESULT hr = WBEM_E_INVALID_NAMESPACE;
const WCHAR *p, *q;
unsigned int len;
*server = NULL;
*namespace = NULL;
p = q = resource;
if (*p == '\\' || *p == '/')
{
p++;
if (*p == '\\' || *p == '/') p++;
if (!*p) return WBEM_E_INVALID_NAMESPACE;
if (*p == '\\' || *p == '/') return WBEM_E_INVALID_PARAMETER;
q = p + 1;
while (*q && *q != '\\' && *q != '/') q++;
if (!*q) return WBEM_E_INVALID_NAMESPACE;
len = q - p;
if (!(*server = heap_alloc( (len + 1) * sizeof(WCHAR) )))
{
hr = E_OUTOFMEMORY;
goto done;
}
memcpy( *server, p, len * sizeof(WCHAR) );
(*server)[len] = 0;
q++;
}
if (!*q) goto done;
p = q;
while (*q && *q != '\\' && *q != '/') q++;
len = q - p;
if (len >= sizeof(rootW) / sizeof(rootW[0]) && memicmpW( rootW, p, len )) goto done;
if (!*q)
{
hr = S_OK;
goto done;
}
q++;
if ((len = strlenW( q )) != sizeof(cimv2W) / sizeof(cimv2W[0]) || memicmpW( q, cimv2W, len ))
goto done;
if (!(*namespace = heap_alloc( (len + 1) * sizeof(WCHAR) ))) hr = E_OUTOFMEMORY;
else
{
memcpy( *namespace, p, len * sizeof(WCHAR) );
(*namespace)[len] = 0;
hr = S_OK;
}
done:
if (hr != S_OK)
{
heap_free( *server );
heap_free( *namespace );
}
return hr;
}
static HRESULT WINAPI wbem_locator_ConnectServer(
IWbemLocator *iface,
const BSTR NetworkResource,
const BSTR User,
const BSTR Password,
const BSTR Locale,
LONG SecurityFlags,
const BSTR Authority,
IWbemContext *pCtx,
IWbemServices **ppNamespace)
{
HRESULT hr;
WCHAR *server, *namespace;
TRACE("%p, %s, %s, %s, %s, 0x%08x, %s, %p, %p)\n", iface, debugstr_w(NetworkResource), debugstr_w(User),
debugstr_w(Password), debugstr_w(Locale), SecurityFlags, debugstr_w(Authority), pCtx, ppNamespace);
hr = parse_resource( NetworkResource, &server, &namespace );
if (hr != S_OK) return hr;
if (!is_local_machine( server ))
{
FIXME("remote computer not supported\n");
heap_free( server );
heap_free( namespace );
return WBEM_E_TRANSPORT_FAILURE;
}
if (User || Password || Authority)
FIXME("authentication not supported\n");
if (Locale)
FIXME("specific locale not supported\n");
if (SecurityFlags)
FIXME("unsupported flags\n");
hr = WbemServices_create( NULL, namespace, (void **)ppNamespace );
heap_free( namespace );
heap_free( server );
if (SUCCEEDED( hr ))
return WBEM_NO_ERROR;
return WBEM_E_FAILED;
}
static const IWbemLocatorVtbl wbem_locator_vtbl =
{
wbem_locator_QueryInterface,
wbem_locator_AddRef,
wbem_locator_Release,
wbem_locator_ConnectServer
};
HRESULT WbemLocator_create( IUnknown *pUnkOuter, LPVOID *ppObj )
{
wbem_locator *wl;
TRACE("(%p,%p)\n", pUnkOuter, ppObj);
wl = heap_alloc( sizeof(*wl) );
if (!wl) return E_OUTOFMEMORY;
wl->IWbemLocator_iface.lpVtbl = &wbem_locator_vtbl;
wl->refs = 1;
*ppObj = &wl->IWbemLocator_iface;
TRACE("returning iface %p\n", *ppObj);
return S_OK;
}