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Sweden-Number/dlls/oleaut32/tmarshal.c

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/*
* TYPELIB Marshaler
*
* Copyright 2002,2005 Marcus Meissner
*
* The olerelay debug channel allows you to see calls marshalled by
* the typelib marshaller. It is not a generic COM relaying system.
*
* 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
*/
#include "config.h"
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <stdio.h>
#include <ctype.h>
#define COBJMACROS
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#include "winerror.h"
#include "windef.h"
#include "winbase.h"
#include "winnls.h"
#include "winreg.h"
#include "winuser.h"
#include "excpt.h"
#include "ole2.h"
#include "propidl.h" /* for LPSAFEARRAY_User* functions */
#include "typelib.h"
#include "variant.h"
#include "wine/debug.h"
#include "wine/exception.h"
static const WCHAR IDispatchW[] = { 'I','D','i','s','p','a','t','c','h',0};
WINE_DEFAULT_DEBUG_CHANNEL(ole);
WINE_DECLARE_DEBUG_CHANNEL(olerelay);
#define ICOM_THIS_MULTI(impl,field,iface) impl* const This=(impl*)((char*)(iface) - offsetof(impl,field))
typedef struct _marshal_state {
LPBYTE base;
int size;
int curoff;
} marshal_state;
/* used in the olerelay code to avoid having the L"" stuff added by debugstr_w */
static char *relaystr(WCHAR *in) {
char *tmp = (char *)debugstr_w(in);
tmp += 2;
tmp[strlen(tmp)-1] = '\0';
return tmp;
}
static HRESULT
xbuf_resize(marshal_state *buf, DWORD newsize)
{
if(buf->size >= newsize)
return S_FALSE;
if(buf->base)
{
buf->base = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, buf->base, newsize);
if(!buf->base)
return E_OUTOFMEMORY;
}
else
{
buf->base = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, newsize);
if(!buf->base)
return E_OUTOFMEMORY;
}
buf->size = newsize;
return S_OK;
}
static HRESULT
xbuf_add(marshal_state *buf, LPBYTE stuff, DWORD size)
{
HRESULT hr;
if(buf->size - buf->curoff < size)
{
hr = xbuf_resize(buf, buf->size + size + 100);
if(FAILED(hr)) return hr;
}
memcpy(buf->base+buf->curoff,stuff,size);
buf->curoff += size;
return S_OK;
}
static HRESULT
xbuf_get(marshal_state *buf, LPBYTE stuff, DWORD size) {
if (buf->size < buf->curoff+size) return E_FAIL;
memcpy(stuff,buf->base+buf->curoff,size);
buf->curoff += size;
return S_OK;
}
static HRESULT
xbuf_skip(marshal_state *buf, DWORD size) {
if (buf->size < buf->curoff+size) return E_FAIL;
buf->curoff += size;
return S_OK;
}
static HRESULT
_unmarshal_interface(marshal_state *buf, REFIID riid, LPUNKNOWN *pUnk) {
IStream *pStm;
ULARGE_INTEGER newpos;
LARGE_INTEGER seekto;
ULONG res;
HRESULT hres;
DWORD xsize;
TRACE("...%s...\n",debugstr_guid(riid));
*pUnk = NULL;
hres = xbuf_get(buf,(LPBYTE)&xsize,sizeof(xsize));
if (hres) {
ERR("xbuf_get failed\n");
return hres;
}
if (xsize == 0) return S_OK;
hres = CreateStreamOnHGlobal(0,TRUE,&pStm);
if (hres) {
ERR("Stream create failed %x\n",hres);
return hres;
}
hres = IStream_Write(pStm,buf->base+buf->curoff,xsize,&res);
if (hres) {
ERR("stream write %x\n",hres);
return hres;
}
memset(&seekto,0,sizeof(seekto));
hres = IStream_Seek(pStm,seekto,SEEK_SET,&newpos);
if (hres) {
ERR("Failed Seek %x\n",hres);
return hres;
}
hres = CoUnmarshalInterface(pStm,riid,(LPVOID*)pUnk);
if (hres) {
ERR("Unmarshalling interface %s failed with %x\n",debugstr_guid(riid),hres);
return hres;
}
IStream_Release(pStm);
return xbuf_skip(buf,xsize);
}
static HRESULT
_marshal_interface(marshal_state *buf, REFIID riid, LPUNKNOWN pUnk) {
LPBYTE tempbuf = NULL;
IStream *pStm = NULL;
STATSTG ststg;
ULARGE_INTEGER newpos;
LARGE_INTEGER seekto;
ULONG res;
DWORD xsize;
HRESULT hres;
if (!pUnk) {
/* this is valid, if for instance we serialize
* a VT_DISPATCH with NULL ptr which apparently
* can happen. S_OK to make sure we continue
* serializing.
*/
WARN("pUnk is NULL\n");
xsize = 0;
return xbuf_add(buf,(LPBYTE)&xsize,sizeof(xsize));
}
hres = E_FAIL;
TRACE("...%s...\n",debugstr_guid(riid));
hres = CreateStreamOnHGlobal(0,TRUE,&pStm);
if (hres) {
ERR("Stream create failed %x\n",hres);
goto fail;
}
hres = CoMarshalInterface(pStm,riid,pUnk,0,NULL,0);
if (hres) {
ERR("Marshalling interface %s failed with %x\n", debugstr_guid(riid), hres);
goto fail;
}
hres = IStream_Stat(pStm,&ststg,0);
if (hres) {
ERR("Stream stat failed\n");
goto fail;
}
tempbuf = HeapAlloc(GetProcessHeap(), 0, ststg.cbSize.u.LowPart);
memset(&seekto,0,sizeof(seekto));
hres = IStream_Seek(pStm,seekto,SEEK_SET,&newpos);
if (hres) {
ERR("Failed Seek %x\n",hres);
goto fail;
}
hres = IStream_Read(pStm,tempbuf,ststg.cbSize.u.LowPart,&res);
if (hres) {
ERR("Failed Read %x\n",hres);
goto fail;
}
xsize = ststg.cbSize.u.LowPart;
xbuf_add(buf,(LPBYTE)&xsize,sizeof(xsize));
hres = xbuf_add(buf,tempbuf,ststg.cbSize.u.LowPart);
HeapFree(GetProcessHeap(),0,tempbuf);
IStream_Release(pStm);
return hres;
fail:
xsize = 0;
xbuf_add(buf,(LPBYTE)&xsize,sizeof(xsize));
if (pStm) IUnknown_Release(pStm);
HeapFree(GetProcessHeap(), 0, tempbuf);
return hres;
}
/********************* OLE Proxy/Stub Factory ********************************/
static HRESULT WINAPI
PSFacBuf_QueryInterface(LPPSFACTORYBUFFER iface, REFIID iid, LPVOID *ppv) {
if (IsEqualIID(iid,&IID_IPSFactoryBuffer)||IsEqualIID(iid,&IID_IUnknown)) {
*ppv = (LPVOID)iface;
/* No ref counting, static class */
return S_OK;
}
FIXME("(%s) unknown IID?\n",debugstr_guid(iid));
return E_NOINTERFACE;
}
static ULONG WINAPI PSFacBuf_AddRef(LPPSFACTORYBUFFER iface) { return 2; }
static ULONG WINAPI PSFacBuf_Release(LPPSFACTORYBUFFER iface) { return 1; }
static HRESULT
_get_typeinfo_for_iid(REFIID riid, ITypeInfo**ti) {
HRESULT hres;
HKEY ikey;
char tlguid[200],typelibkey[300],interfacekey[300],ver[100];
char tlfn[260];
OLECHAR tlfnW[260];
DWORD tlguidlen, verlen, type;
LONG tlfnlen;
ITypeLib *tl;
sprintf( interfacekey, "Interface\\{%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x}\\Typelib",
riid->Data1, riid->Data2, riid->Data3,
riid->Data4[0], riid->Data4[1], riid->Data4[2], riid->Data4[3],
riid->Data4[4], riid->Data4[5], riid->Data4[6], riid->Data4[7]
);
if (RegOpenKeyA(HKEY_CLASSES_ROOT,interfacekey,&ikey)) {
ERR("No %s key found.\n",interfacekey);
return E_FAIL;
}
type = (1<<REG_SZ);
tlguidlen = sizeof(tlguid);
if (RegQueryValueExA(ikey,NULL,NULL,&type,(LPBYTE)tlguid,&tlguidlen)) {
ERR("Getting typelib guid failed.\n");
RegCloseKey(ikey);
return E_FAIL;
}
type = (1<<REG_SZ);
verlen = sizeof(ver);
if (RegQueryValueExA(ikey,"Version",NULL,&type,(LPBYTE)ver,&verlen)) {
ERR("Could not get version value?\n");
RegCloseKey(ikey);
return E_FAIL;
}
RegCloseKey(ikey);
sprintf(typelibkey,"Typelib\\%s\\%s\\0\\win32",tlguid,ver);
tlfnlen = sizeof(tlfn);
if (RegQueryValueA(HKEY_CLASSES_ROOT,typelibkey,tlfn,&tlfnlen)) {
ERR("Could not get typelib fn?\n");
return E_FAIL;
}
MultiByteToWideChar(CP_ACP, 0, tlfn, -1, tlfnW, sizeof(tlfnW) / sizeof(tlfnW[0]));
hres = LoadTypeLib(tlfnW,&tl);
if (hres) {
ERR("Failed to load typelib for %s, but it should be there.\n",debugstr_guid(riid));
return hres;
}
hres = ITypeLib_GetTypeInfoOfGuid(tl,riid,ti);
if (hres) {
ERR("typelib does not contain info for %s?\n",debugstr_guid(riid));
ITypeLib_Release(tl);
return hres;
}
ITypeLib_Release(tl);
return hres;
}
/* Determine nr of functions. Since we use the toplevel interface and all
* inherited ones have lower numbers, we are ok to not to descent into
* the inheritance tree I think.
*/
static int _nroffuncs(ITypeInfo *tinfo) {
int n, i, j;
const FUNCDESC *fdesc;
HRESULT hres;
TYPEATTR *attr;
ITypeInfo *tinfo2;
n=0;
hres = ITypeInfo_GetTypeAttr(tinfo, &attr);
if (hres) {
ERR("GetTypeAttr failed with %x\n",hres);
return hres;
}
/* look in inherited ifaces. */
for (j=0;j<attr->cImplTypes;j++) {
HREFTYPE href;
hres = ITypeInfo_GetRefTypeOfImplType(tinfo, j, &href);
if (hres) {
ERR("Did not find a reftype for interface offset %d?\n",j);
break;
}
hres = ITypeInfo_GetRefTypeInfo(tinfo, href, &tinfo2);
if (hres) {
ERR("Did not find a typeinfo for reftype %d?\n",href);
continue;
}
n += _nroffuncs(tinfo2);
ITypeInfo_Release(tinfo2);
}
i = 0;
while (1) {
hres = ITypeInfoImpl_GetInternalFuncDesc(tinfo,i,&fdesc);
if (hres)
return n;
n++;
i++;
}
/*NOTREACHED*/
}
#ifdef __i386__
#include "pshpack1.h"
typedef struct _TMAsmProxy {
BYTE popleax;
BYTE pushlval;
BYTE nr;
BYTE pushleax;
BYTE lcall;
DWORD xcall;
BYTE lret;
WORD bytestopop;
} TMAsmProxy;
#include "poppack.h"
#else /* __i386__ */
# warning You need to implement stubless proxies for your architecture
typedef struct _TMAsmProxy {
} TMAsmProxy;
#endif
typedef struct _TMProxyImpl {
LPVOID *lpvtbl;
const IRpcProxyBufferVtbl *lpvtbl2;
LONG ref;
TMAsmProxy *asmstubs;
ITypeInfo* tinfo;
IRpcChannelBuffer* chanbuf;
IID iid;
CRITICAL_SECTION crit;
IUnknown *outerunknown;
IDispatch *dispatch;
IRpcProxyBuffer *dispatch_proxy;
} TMProxyImpl;
static HRESULT WINAPI
TMProxyImpl_QueryInterface(LPRPCPROXYBUFFER iface, REFIID riid, LPVOID *ppv)
{
TRACE("()\n");
if (IsEqualIID(riid,&IID_IUnknown)||IsEqualIID(riid,&IID_IRpcProxyBuffer)) {
*ppv = (LPVOID)iface;
IRpcProxyBuffer_AddRef(iface);
return S_OK;
}
FIXME("no interface for %s\n",debugstr_guid(riid));
return E_NOINTERFACE;
}
static ULONG WINAPI
TMProxyImpl_AddRef(LPRPCPROXYBUFFER iface)
{
ICOM_THIS_MULTI(TMProxyImpl,lpvtbl2,iface);
ULONG refCount = InterlockedIncrement(&This->ref);
TRACE("(%p)->(ref before=%u)\n",This, refCount - 1);
return refCount;
}
static ULONG WINAPI
TMProxyImpl_Release(LPRPCPROXYBUFFER iface)
{
ICOM_THIS_MULTI(TMProxyImpl,lpvtbl2,iface);
ULONG refCount = InterlockedDecrement(&This->ref);
TRACE("(%p)->(ref before=%u)\n",This, refCount + 1);
if (!refCount)
{
if (This->dispatch_proxy) IRpcProxyBuffer_Release(This->dispatch_proxy);
DeleteCriticalSection(&This->crit);
if (This->chanbuf) IRpcChannelBuffer_Release(This->chanbuf);
VirtualFree(This->asmstubs, 0, MEM_RELEASE);
HeapFree(GetProcessHeap(), 0, This->lpvtbl);
ITypeInfo_Release(This->tinfo);
CoTaskMemFree(This);
}
return refCount;
}
static HRESULT WINAPI
TMProxyImpl_Connect(
LPRPCPROXYBUFFER iface,IRpcChannelBuffer* pRpcChannelBuffer)
{
ICOM_THIS_MULTI(TMProxyImpl, lpvtbl2, iface);
TRACE("(%p)\n", pRpcChannelBuffer);
EnterCriticalSection(&This->crit);
IRpcChannelBuffer_AddRef(pRpcChannelBuffer);
This->chanbuf = pRpcChannelBuffer;
LeaveCriticalSection(&This->crit);
if (This->dispatch_proxy)
IRpcProxyBuffer_Connect(This->dispatch_proxy, pRpcChannelBuffer);
return S_OK;
}
static void WINAPI
TMProxyImpl_Disconnect(LPRPCPROXYBUFFER iface)
{
ICOM_THIS_MULTI(TMProxyImpl, lpvtbl2, iface);
TRACE("()\n");
EnterCriticalSection(&This->crit);
IRpcChannelBuffer_Release(This->chanbuf);
This->chanbuf = NULL;
LeaveCriticalSection(&This->crit);
if (This->dispatch_proxy)
IRpcProxyBuffer_Disconnect(This->dispatch_proxy);
}
static const IRpcProxyBufferVtbl tmproxyvtable = {
TMProxyImpl_QueryInterface,
TMProxyImpl_AddRef,
TMProxyImpl_Release,
TMProxyImpl_Connect,
TMProxyImpl_Disconnect
};
/* how much space do we use on stack in DWORD steps. */
int
_argsize(DWORD vt) {
switch (vt) {
case VT_UI8:
return 8/sizeof(DWORD);
case VT_R8:
return sizeof(double)/sizeof(DWORD);
case VT_CY:
return sizeof(CY)/sizeof(DWORD);
case VT_DATE:
return sizeof(DATE)/sizeof(DWORD);
case VT_VARIANT:
return (sizeof(VARIANT)+3)/sizeof(DWORD);
default:
return 1;
}
}
static int
_xsize(TYPEDESC *td) {
switch (td->vt) {
case VT_DATE:
return sizeof(DATE);
case VT_VARIANT:
return sizeof(VARIANT)+3;
case VT_CARRAY: {
int i, arrsize = 1;
ARRAYDESC *adesc = td->u.lpadesc;
for (i=0;i<adesc->cDims;i++)
arrsize *= adesc->rgbounds[i].cElements;
return arrsize*_xsize(&adesc->tdescElem);
}
case VT_UI8:
case VT_I8:
return 8;
case VT_UI2:
case VT_I2:
return 2;
case VT_UI1:
case VT_I1:
return 1;
default:
return 4;
}
}
static HRESULT
serialize_param(
ITypeInfo *tinfo,
BOOL writeit,
BOOL debugout,
BOOL dealloc,
TYPEDESC *tdesc,
DWORD *arg,
marshal_state *buf)
{
HRESULT hres = S_OK;
TRACE("(tdesc.vt %s)\n",debugstr_vt(tdesc->vt));
switch (tdesc->vt) {
case VT_EMPTY: /* nothing. empty variant for instance */
return S_OK;
case VT_I8:
case VT_UI8:
case VT_CY:
hres = S_OK;
if (debugout) TRACE_(olerelay)("%x%x\n",arg[0],arg[1]);
if (writeit)
hres = xbuf_add(buf,(LPBYTE)arg,8);
return hres;
case VT_BOOL:
case VT_ERROR:
case VT_INT:
case VT_UINT:
case VT_I4:
case VT_R4:
case VT_UI4:
hres = S_OK;
if (debugout) TRACE_(olerelay)("%x\n",*arg);
if (writeit)
hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
return hres;
case VT_I2:
case VT_UI2:
hres = S_OK;
if (debugout) TRACE_(olerelay)("%04x\n",*arg & 0xffff);
if (writeit)
hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
return hres;
case VT_I1:
case VT_UI1:
hres = S_OK;
if (debugout) TRACE_(olerelay)("%02x\n",*arg & 0xff);
if (writeit)
hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
return hres;
case VT_I4|VT_BYREF:
hres = S_OK;
if (debugout) TRACE_(olerelay)("&0x%x\n",*arg);
if (writeit)
hres = xbuf_add(buf,(LPBYTE)(DWORD*)*arg,sizeof(DWORD));
/* do not dealloc at this time */
return hres;
case VT_VARIANT: {
TYPEDESC tdesc2;
VARIANT *vt = (VARIANT*)arg;
DWORD vttype = V_VT(vt);
if (debugout) TRACE_(olerelay)("Vt(%s%s)(",debugstr_vt(vttype),debugstr_vf(vttype));
tdesc2.vt = vttype;
if (writeit) {
hres = xbuf_add(buf,(LPBYTE)&vttype,sizeof(vttype));
if (hres) return hres;
}
/* need to recurse since we need to free the stuff */
hres = serialize_param(tinfo,writeit,debugout,dealloc,&tdesc2,(DWORD*)&(V_I4(vt)),buf);
if (debugout) TRACE_(olerelay)(")");
return hres;
}
case VT_BSTR|VT_BYREF: {
if (debugout) TRACE_(olerelay)("[byref]'%s'", *(BSTR*)*arg ? relaystr(*((BSTR*)*arg)) : "<bstr NULL>");
if (writeit) {
/* ptr to ptr to magic widestring, basically */
BSTR *bstr = (BSTR *) *arg;
DWORD len;
if (!*bstr) {
/* -1 means "null string" which is equivalent to empty string */
len = -1;
hres = xbuf_add(buf, (LPBYTE)&len,sizeof(DWORD));
if (hres) return hres;
} else {
len = *((DWORD*)*bstr-1)/sizeof(WCHAR);
hres = xbuf_add(buf,(LPBYTE)&len,sizeof(DWORD));
if (hres) return hres;
hres = xbuf_add(buf,(LPBYTE)*bstr,len * sizeof(WCHAR));
if (hres) return hres;
}
}
if (dealloc && arg) {
BSTR *str = *((BSTR **)arg);
SysFreeString(*str);
}
return S_OK;
}
case VT_BSTR: {
if (debugout) {
if (*arg)
TRACE_(olerelay)("%s",relaystr((WCHAR*)*arg));
else
TRACE_(olerelay)("<bstr NULL>");
}
if (writeit) {
BSTR bstr = (BSTR)*arg;
DWORD len;
if (!bstr) {
len = -1;
hres = xbuf_add(buf,(LPBYTE)&len,sizeof(DWORD));
if (hres) return hres;
} else {
len = *((DWORD*)bstr-1)/sizeof(WCHAR);
hres = xbuf_add(buf,(LPBYTE)&len,sizeof(DWORD));
if (hres) return hres;
hres = xbuf_add(buf,(LPBYTE)bstr,len * sizeof(WCHAR));
if (hres) return hres;
}
}
if (dealloc && arg)
SysFreeString((BSTR)*arg);
return S_OK;
}
case VT_PTR: {
DWORD cookie;
BOOL derefhere = TRUE;
if (tdesc->u.lptdesc->vt == VT_USERDEFINED) {
ITypeInfo *tinfo2;
TYPEATTR *tattr;
hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.lptdesc->u.hreftype,&tinfo2);
if (hres) {
ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.lptdesc->u.hreftype);
return hres;
}
ITypeInfo_GetTypeAttr(tinfo2,&tattr);
switch (tattr->typekind) {
case TKIND_ENUM: /* confirmed */
case TKIND_RECORD: /* FIXME: mostly untested */
derefhere=TRUE;
break;
case TKIND_ALIAS: /* FIXME: untested */
case TKIND_DISPATCH: /* will be done in VT_USERDEFINED case */
case TKIND_INTERFACE: /* will be done in VT_USERDEFINED case */
derefhere=FALSE;
break;
default:
FIXME("unhandled switch cases tattr->typekind %d\n", tattr->typekind);
derefhere=FALSE;
break;
}
ITypeInfo_ReleaseTypeAttr(tinfo, tattr);
ITypeInfo_Release(tinfo2);
}
if (debugout) TRACE_(olerelay)("*");
/* Write always, so the other side knows when it gets a NULL pointer.
*/
cookie = *arg ? 0x42424242 : 0;
hres = xbuf_add(buf,(LPBYTE)&cookie,sizeof(cookie));
if (hres)
return hres;
if (!*arg) {
if (debugout) TRACE_(olerelay)("NULL");
return S_OK;
}
hres = serialize_param(tinfo,writeit,debugout,dealloc,tdesc->u.lptdesc,(DWORD*)*arg,buf);
if (derefhere && dealloc) HeapFree(GetProcessHeap(),0,(LPVOID)*arg);
return hres;
}
case VT_UNKNOWN:
if (debugout) TRACE_(olerelay)("unk(0x%x)",*arg);
if (writeit)
hres = _marshal_interface(buf,&IID_IUnknown,(LPUNKNOWN)*arg);
if (dealloc && *(IUnknown **)arg)
IUnknown_Release((LPUNKNOWN)*arg);
return hres;
case VT_DISPATCH:
if (debugout) TRACE_(olerelay)("idisp(0x%x)",*arg);
if (writeit)
hres = _marshal_interface(buf,&IID_IDispatch,(LPUNKNOWN)*arg);
if (dealloc && *(IUnknown **)arg)
IUnknown_Release((LPUNKNOWN)*arg);
return hres;
case VT_VOID:
if (debugout) TRACE_(olerelay)("<void>");
return S_OK;
case VT_USERDEFINED: {
ITypeInfo *tinfo2;
TYPEATTR *tattr;
hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.hreftype,&tinfo2);
if (hres) {
ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.hreftype);
return hres;
}
ITypeInfo_GetTypeAttr(tinfo2,&tattr);
switch (tattr->typekind) {
case TKIND_DISPATCH:
case TKIND_INTERFACE:
if (writeit)
hres=_marshal_interface(buf,&(tattr->guid),(LPUNKNOWN)arg);
if (dealloc)
IUnknown_Release((LPUNKNOWN)arg);
break;
case TKIND_RECORD: {
int i;
if (debugout) TRACE_(olerelay)("{");
for (i=0;i<tattr->cVars;i++) {
VARDESC *vdesc;
ELEMDESC *elem2;
TYPEDESC *tdesc2;
hres = ITypeInfo2_GetVarDesc(tinfo2, i, &vdesc);
if (hres) {
ERR("Could not get vardesc of %d\n",i);
return hres;
}
elem2 = &vdesc->elemdescVar;
tdesc2 = &elem2->tdesc;
hres = serialize_param(
tinfo2,
writeit,
debugout,
dealloc,
tdesc2,
(DWORD*)(((LPBYTE)arg)+vdesc->u.oInst),
buf
);
ITypeInfo_ReleaseVarDesc(tinfo2, vdesc);
if (hres!=S_OK)
return hres;
if (debugout && (i<(tattr->cVars-1)))
TRACE_(olerelay)(",");
}
if (debugout) TRACE_(olerelay)("}");
break;
}
case TKIND_ALIAS:
hres = serialize_param(tinfo2,writeit,debugout,dealloc,&tattr->tdescAlias,arg,buf);
break;
case TKIND_ENUM:
hres = S_OK;
if (debugout) TRACE_(olerelay)("%x",*arg);
if (writeit)
hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
break;
default:
FIXME("Unhandled typekind %d\n",tattr->typekind);
hres = E_FAIL;
break;
}
ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
ITypeInfo_Release(tinfo2);
return hres;
}
case VT_CARRAY: {
ARRAYDESC *adesc = tdesc->u.lpadesc;
int i, arrsize = 1;
if (debugout) TRACE_(olerelay)("carr");
for (i=0;i<adesc->cDims;i++) {
if (debugout) TRACE_(olerelay)("[%d]",adesc->rgbounds[i].cElements);
arrsize *= adesc->rgbounds[i].cElements;
}
if (debugout) TRACE_(olerelay)("(vt %s)",debugstr_vt(adesc->tdescElem.vt));
if (debugout) TRACE_(olerelay)("[");
for (i=0;i<arrsize;i++) {
hres = serialize_param(tinfo, writeit, debugout, dealloc, &adesc->tdescElem, (DWORD*)((LPBYTE)arg+i*_xsize(&adesc->tdescElem)), buf);
if (hres)
return hres;
if (debugout && (i<arrsize-1)) TRACE_(olerelay)(",");
}
if (debugout) TRACE_(olerelay)("]");
return S_OK;
}
case VT_SAFEARRAY: {
if (writeit)
{
ULONG flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
ULONG size = LPSAFEARRAY_UserSize(&flags, buf->curoff, (LPSAFEARRAY *)arg);
xbuf_resize(buf, size);
LPSAFEARRAY_UserMarshal(&flags, buf->base + buf->curoff, (LPSAFEARRAY *)arg);
buf->curoff = size;
}
return S_OK;
}
default:
ERR("Unhandled marshal type %d.\n",tdesc->vt);
return S_OK;
}
}
static HRESULT
deserialize_param(
ITypeInfo *tinfo,
BOOL readit,
BOOL debugout,
BOOL alloc,
TYPEDESC *tdesc,
DWORD *arg,
marshal_state *buf)
{
HRESULT hres = S_OK;
TRACE("vt %s at %p\n",debugstr_vt(tdesc->vt),arg);
while (1) {
switch (tdesc->vt) {
case VT_EMPTY:
if (debugout) TRACE_(olerelay)("<empty>\n");
return S_OK;
case VT_NULL:
if (debugout) TRACE_(olerelay)("<null>\n");
return S_OK;
case VT_VARIANT: {
VARIANT *vt = (VARIANT*)arg;
if (readit) {
DWORD vttype;
TYPEDESC tdesc2;
hres = xbuf_get(buf,(LPBYTE)&vttype,sizeof(vttype));
if (hres) {
FIXME("vt type not read?\n");
return hres;
}
memset(&tdesc2,0,sizeof(tdesc2));
tdesc2.vt = vttype;
V_VT(vt) = vttype;
if (debugout) TRACE_(olerelay)("Vt(%s%s)(",debugstr_vt(vttype),debugstr_vf(vttype));
hres = deserialize_param(tinfo, readit, debugout, alloc, &tdesc2, (DWORD*)&(V_I4(vt)), buf);
TRACE_(olerelay)(")");
return hres;
} else {
VariantInit(vt);
return S_OK;
}
}
case VT_I8:
case VT_UI8:
case VT_CY:
if (readit) {
hres = xbuf_get(buf,(LPBYTE)arg,8);
if (hres) ERR("Failed to read integer 8 byte\n");
}
if (debugout) TRACE_(olerelay)("%x%x",arg[0],arg[1]);
return hres;
case VT_ERROR:
case VT_BOOL:
case VT_I4:
case VT_INT:
case VT_UINT:
case VT_R4:
case VT_UI4:
if (readit) {
hres = xbuf_get(buf,(LPBYTE)arg,sizeof(DWORD));
if (hres) ERR("Failed to read integer 4 byte\n");
}
if (debugout) TRACE_(olerelay)("%x",*arg);
return hres;
case VT_I2:
case VT_UI2:
if (readit) {
DWORD x;
hres = xbuf_get(buf,(LPBYTE)&x,sizeof(DWORD));
if (hres) ERR("Failed to read integer 4 byte\n");
memcpy(arg,&x,2);
}
if (debugout) TRACE_(olerelay)("%04x",*arg & 0xffff);
return hres;
case VT_I1:
case VT_UI1:
if (readit) {
DWORD x;
hres = xbuf_get(buf,(LPBYTE)&x,sizeof(DWORD));
if (hres) ERR("Failed to read integer 4 byte\n");
memcpy(arg,&x,1);
}
if (debugout) TRACE_(olerelay)("%02x",*arg & 0xff);
return hres;
case VT_I4|VT_BYREF:
hres = S_OK;
if (alloc)
*arg = (DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(DWORD));
if (readit) {
hres = xbuf_get(buf,(LPBYTE)*arg,sizeof(DWORD));
if (hres) ERR("Failed to read integer 4 byte\n");
}
if (debugout) TRACE_(olerelay)("&0x%x",*(DWORD*)*arg);
return hres;
case VT_BSTR|VT_BYREF: {
BSTR **bstr = (BSTR **)arg;
WCHAR *str;
DWORD len;
if (readit) {
hres = xbuf_get(buf,(LPBYTE)&len,sizeof(DWORD));
if (hres) {
ERR("failed to read bstr klen\n");
return hres;
}
if (len == -1) {
*bstr = CoTaskMemAlloc(sizeof(BSTR *));
**bstr = NULL;
if (debugout) TRACE_(olerelay)("<bstr NULL>");
} else {
str = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,(len+1)*sizeof(WCHAR));
hres = xbuf_get(buf,(LPBYTE)str,len*sizeof(WCHAR));
if (hres) {
ERR("Failed to read BSTR.\n");
return hres;
}
*bstr = CoTaskMemAlloc(sizeof(BSTR *));
**bstr = SysAllocStringLen(str,len);
if (debugout) TRACE_(olerelay)("%s",relaystr(str));
HeapFree(GetProcessHeap(),0,str);
}
} else {
*bstr = NULL;
}
return S_OK;
}
case VT_BSTR: {
WCHAR *str;
DWORD len;
if (readit) {
hres = xbuf_get(buf,(LPBYTE)&len,sizeof(DWORD));
if (hres) {
ERR("failed to read bstr klen\n");
return hres;
}
if (len == -1) {
*arg = 0;
if (debugout) TRACE_(olerelay)("<bstr NULL>");
} else {
str = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,(len+1)*sizeof(WCHAR));
hres = xbuf_get(buf,(LPBYTE)str,len*sizeof(WCHAR));
if (hres) {
ERR("Failed to read BSTR.\n");
return hres;
}
*arg = (DWORD)SysAllocStringLen(str,len);
if (debugout) TRACE_(olerelay)("%s",relaystr(str));
HeapFree(GetProcessHeap(),0,str);
}
} else {
*arg = 0;
}
return S_OK;
}
case VT_PTR: {
DWORD cookie;
BOOL derefhere = TRUE;
if (tdesc->u.lptdesc->vt == VT_USERDEFINED) {
ITypeInfo *tinfo2;
TYPEATTR *tattr;
hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.lptdesc->u.hreftype,&tinfo2);
if (hres) {
ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.lptdesc->u.hreftype);
return hres;
}
ITypeInfo_GetTypeAttr(tinfo2,&tattr);
switch (tattr->typekind) {
case TKIND_ENUM: /* confirmed */
case TKIND_RECORD: /* FIXME: mostly untested */
derefhere=TRUE;
break;
case TKIND_ALIAS: /* FIXME: untested */
case TKIND_DISPATCH: /* will be done in VT_USERDEFINED case */
case TKIND_INTERFACE: /* will be done in VT_USERDEFINED case */
derefhere=FALSE;
break;
default:
FIXME("unhandled switch cases tattr->typekind %d\n", tattr->typekind);
derefhere=FALSE;
break;
}
ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
ITypeInfo_Release(tinfo2);
}
/* read it in all cases, we need to know if we have
* NULL pointer or not.
*/
hres = xbuf_get(buf,(LPBYTE)&cookie,sizeof(cookie));
if (hres) {
ERR("Failed to load pointer cookie.\n");
return hres;
}
if (cookie != 0x42424242) {
/* we read a NULL ptr from the remote side */
if (debugout) TRACE_(olerelay)("NULL");
*arg = 0;
return S_OK;
}
if (debugout) TRACE_(olerelay)("*");
if (alloc) {
/* Allocate space for the referenced struct */
if (derefhere)
*arg=(DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,_xsize(tdesc->u.lptdesc));
}
if (derefhere)
return deserialize_param(tinfo, readit, debugout, alloc, tdesc->u.lptdesc, (LPDWORD)*arg, buf);
else
return deserialize_param(tinfo, readit, debugout, alloc, tdesc->u.lptdesc, arg, buf);
}
case VT_UNKNOWN:
/* FIXME: UNKNOWN is unknown ..., but allocate 4 byte for it */
if (alloc)
*arg=(DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(DWORD));
hres = S_OK;
if (readit)
hres = _unmarshal_interface(buf,&IID_IUnknown,(LPUNKNOWN*)arg);
if (debugout)
TRACE_(olerelay)("unk(%p)",arg);
return hres;
case VT_DISPATCH:
hres = S_OK;
if (readit)
hres = _unmarshal_interface(buf,&IID_IDispatch,(LPUNKNOWN*)arg);
if (debugout)
TRACE_(olerelay)("idisp(%p)",arg);
return hres;
case VT_VOID:
if (debugout) TRACE_(olerelay)("<void>");
return S_OK;
case VT_USERDEFINED: {
ITypeInfo *tinfo2;
TYPEATTR *tattr;
hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.hreftype,&tinfo2);
if (hres) {
ERR("Could not get typeinfo of hreftype %x for VT_USERDEFINED.\n",tdesc->u.hreftype);
return hres;
}
hres = ITypeInfo_GetTypeAttr(tinfo2,&tattr);
if (hres) {
ERR("Could not get typeattr in VT_USERDEFINED.\n");
} else {
switch (tattr->typekind) {
case TKIND_DISPATCH:
case TKIND_INTERFACE:
if (readit)
hres = _unmarshal_interface(buf,&(tattr->guid),(LPUNKNOWN*)arg);
break;
case TKIND_RECORD: {
int i;
if (alloc)
*arg = (DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,tattr->cbSizeInstance);
if (debugout) TRACE_(olerelay)("{");
for (i=0;i<tattr->cVars;i++) {
VARDESC *vdesc;
hres = ITypeInfo2_GetVarDesc(tinfo2, i, &vdesc);
if (hres) {
ERR("Could not get vardesc of %d\n",i);
ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
ITypeInfo_Release(tinfo2);
return hres;
}
hres = deserialize_param(
tinfo2,
readit,
debugout,
alloc,
&vdesc->elemdescVar.tdesc,
(DWORD*)(((LPBYTE)*arg)+vdesc->u.oInst),
buf
);
ITypeInfo2_ReleaseVarDesc(tinfo2, vdesc);
if (debugout && (i<tattr->cVars-1)) TRACE_(olerelay)(",");
}
if (debugout) TRACE_(olerelay)("}");
break;
}
case TKIND_ALIAS:
hres = deserialize_param(tinfo2,readit,debugout,alloc,&tattr->tdescAlias,arg,buf);
break;
case TKIND_ENUM:
if (readit) {
hres = xbuf_get(buf,(LPBYTE)arg,sizeof(DWORD));
if (hres) ERR("Failed to read enum (4 byte)\n");
}
if (debugout) TRACE_(olerelay)("%x",*arg);
break;
default:
ERR("Unhandled typekind %d\n",tattr->typekind);
hres = E_FAIL;
break;
}
ITypeInfo_ReleaseTypeAttr(tinfo2, tattr);
}
if (hres)
ERR("failed to stuballoc in TKIND_RECORD.\n");
ITypeInfo_Release(tinfo2);
return hres;
}
case VT_CARRAY: {
/* arg is pointing to the start of the array. */
ARRAYDESC *adesc = tdesc->u.lpadesc;
int arrsize,i;
arrsize = 1;
if (adesc->cDims > 1) FIXME("cDims > 1 in VT_CARRAY. Does it work?\n");
for (i=0;i<adesc->cDims;i++)
arrsize *= adesc->rgbounds[i].cElements;
for (i=0;i<arrsize;i++)
deserialize_param(
tinfo,
readit,
debugout,
alloc,
&adesc->tdescElem,
(DWORD*)((LPBYTE)(arg)+i*_xsize(&adesc->tdescElem)),
buf
);
return S_OK;
}
case VT_SAFEARRAY: {
if (readit)
{
ULONG flags = MAKELONG(MSHCTX_DIFFERENTMACHINE, NDR_LOCAL_DATA_REPRESENTATION);
unsigned char *buffer;
buffer = LPSAFEARRAY_UserUnmarshal(&flags, buf->base + buf->curoff, (LPSAFEARRAY *)arg);
buf->curoff = buffer - buf->base;
}
return S_OK;
}
default:
ERR("No handler for VT type %d!\n",tdesc->vt);
return S_OK;
}
}
}
/* Searches function, also in inherited interfaces */
static HRESULT
_get_funcdesc(
ITypeInfo *tinfo, int iMethod, ITypeInfo **tactual, const FUNCDESC **fdesc, BSTR *iname, BSTR *fname)
{
int i = 0, j = 0;
HRESULT hres;
if (fname) *fname = NULL;
if (iname) *iname = NULL;
while (1) {
hres = ITypeInfoImpl_GetInternalFuncDesc(tinfo, i, fdesc);
if (hres) {
ITypeInfo *tinfo2;
HREFTYPE href;
TYPEATTR *attr;
hres = ITypeInfo_GetTypeAttr(tinfo, &attr);
if (hres) {
ERR("GetTypeAttr failed with %x\n",hres);
return hres;
}
/* Not found, so look in inherited ifaces. */
for (j=0;j<attr->cImplTypes;j++) {
hres = ITypeInfo_GetRefTypeOfImplType(tinfo, j, &href);
if (hres) {
ERR("Did not find a reftype for interface offset %d?\n",j);
break;
}
hres = ITypeInfo_GetRefTypeInfo(tinfo, href, &tinfo2);
if (hres) {
ERR("Did not find a typeinfo for reftype %d?\n",href);
continue;
}
hres = _get_funcdesc(tinfo2,iMethod,tactual,fdesc,iname,fname);
ITypeInfo_Release(tinfo2);
if (!hres) {
ITypeInfo_ReleaseTypeAttr(tinfo, attr);
return S_OK;
}
}
ITypeInfo_ReleaseTypeAttr(tinfo, attr);
return hres;
}
if (((*fdesc)->oVft/4) == iMethod) {
if (fname)
ITypeInfo_GetDocumentation(tinfo,(*fdesc)->memid,fname,NULL,NULL,NULL);
if (iname)
ITypeInfo_GetDocumentation(tinfo,-1,iname,NULL,NULL,NULL);
*tactual = tinfo;
ITypeInfo_AddRef(*tactual);
return S_OK;
}
i++;
}
}
static DWORD
xCall(LPVOID retptr, int method, TMProxyImpl *tpinfo /*, args */)
{
DWORD *args = ((DWORD*)&tpinfo)+1, *xargs;
const FUNCDESC *fdesc;
HRESULT hres;
int i, relaydeb = TRACE_ON(olerelay);
marshal_state buf;
RPCOLEMESSAGE msg;
ULONG status;
BSTR fname,iname;
BSTR names[10];
UINT nrofnames;
DWORD remoteresult = 0;
ITypeInfo *tinfo;
IRpcChannelBuffer *chanbuf;
EnterCriticalSection(&tpinfo->crit);
hres = _get_funcdesc(tpinfo->tinfo,method,&tinfo,&fdesc,&iname,&fname);
if (hres) {
ERR("Did not find typeinfo/funcdesc entry for method %d!\n",method);
ITypeInfo_Release(tinfo);
LeaveCriticalSection(&tpinfo->crit);
return E_FAIL;
}
if (!tpinfo->chanbuf)
{
WARN("Tried to use disconnected proxy\n");
ITypeInfo_Release(tinfo);
LeaveCriticalSection(&tpinfo->crit);
return RPC_E_DISCONNECTED;
}
chanbuf = tpinfo->chanbuf;
IRpcChannelBuffer_AddRef(chanbuf);
LeaveCriticalSection(&tpinfo->crit);
if (relaydeb) {
TRACE_(olerelay)("->");
if (iname)
TRACE_(olerelay)("%s:",relaystr(iname));
if (fname)
TRACE_(olerelay)("%s(%d)",relaystr(fname),method);
else
TRACE_(olerelay)("%d",method);
TRACE_(olerelay)("(");
}
if (iname) SysFreeString(iname);
if (fname) SysFreeString(fname);
memset(&buf,0,sizeof(buf));
/* normal typelib driven serializing */
/* Need them for hack below */
memset(names,0,sizeof(names));
if (ITypeInfo_GetNames(tinfo,fdesc->memid,names,sizeof(names)/sizeof(names[0]),&nrofnames))
nrofnames = 0;
if (nrofnames > sizeof(names)/sizeof(names[0]))
ERR("Need more names!\n");
xargs = args;
for (i=0;i<fdesc->cParams;i++) {
ELEMDESC *elem = fdesc->lprgelemdescParam+i;
if (relaydeb) {
if (i) TRACE_(olerelay)(",");
if (i+1<nrofnames && names[i+1])
TRACE_(olerelay)("%s=",relaystr(names[i+1]));
}
/* No need to marshal other data than FIN and any VT_PTR. */
if (!(elem->u.paramdesc.wParamFlags & PARAMFLAG_FIN || !elem->u.paramdesc.wParamFlags) && (elem->tdesc.vt != VT_PTR)) {
xargs+=_argsize(elem->tdesc.vt);
if (relaydeb) TRACE_(olerelay)("[out]");
continue;
}
hres = serialize_param(
tinfo,
elem->u.paramdesc.wParamFlags & PARAMFLAG_FIN || !elem->u.paramdesc.wParamFlags,
relaydeb,
FALSE,
&elem->tdesc,
xargs,
&buf
);
if (hres) {
ERR("Failed to serialize param, hres %x\n",hres);
break;
}
xargs+=_argsize(elem->tdesc.vt);
}
if (relaydeb) TRACE_(olerelay)(")");
memset(&msg,0,sizeof(msg));
msg.cbBuffer = buf.curoff;
msg.iMethod = method;
hres = IRpcChannelBuffer_GetBuffer(chanbuf,&msg,&(tpinfo->iid));
if (hres) {
ERR("RpcChannelBuffer GetBuffer failed, %x\n",hres);
goto exit;
}
memcpy(msg.Buffer,buf.base,buf.curoff);
if (relaydeb) TRACE_(olerelay)("\n");
hres = IRpcChannelBuffer_SendReceive(chanbuf,&msg,&status);
if (hres) {
ERR("RpcChannelBuffer SendReceive failed, %x\n",hres);
goto exit;
}
if (relaydeb) TRACE_(olerelay)(" status = %08x (",status);
if (buf.base)
buf.base = HeapReAlloc(GetProcessHeap(),0,buf.base,msg.cbBuffer);
else
buf.base = HeapAlloc(GetProcessHeap(),0,msg.cbBuffer);
buf.size = msg.cbBuffer;
memcpy(buf.base,msg.Buffer,buf.size);
buf.curoff = 0;
/* generic deserializer using typelib description */
xargs = args;
status = S_OK;
for (i=0;i<fdesc->cParams;i++) {
ELEMDESC *elem = fdesc->lprgelemdescParam+i;
if (relaydeb) {
if (i) TRACE_(olerelay)(",");
if (i+1<nrofnames && names[i+1]) TRACE_(olerelay)("%s=",relaystr(names[i+1]));
}
/* No need to marshal other data than FOUT and any VT_PTR */
if (!(elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT) && (elem->tdesc.vt != VT_PTR)) {
xargs += _argsize(elem->tdesc.vt);
if (relaydeb) TRACE_(olerelay)("[in]");
continue;
}
hres = deserialize_param(
tinfo,
elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT,
relaydeb,
FALSE,
&(elem->tdesc),
xargs,
&buf
);
if (hres) {
ERR("Failed to unmarshall param, hres %x\n",hres);
status = hres;
break;
}
xargs += _argsize(elem->tdesc.vt);
}
hres = xbuf_get(&buf, (LPBYTE)&remoteresult, sizeof(DWORD));
if (hres != S_OK)
goto exit;
if (relaydeb) TRACE_(olerelay)(") = %08x\n", remoteresult);
hres = remoteresult;
exit:
for (i = 0; i < nrofnames; i++)
SysFreeString(names[i]);
HeapFree(GetProcessHeap(),0,buf.base);
IRpcChannelBuffer_Release(chanbuf);
ITypeInfo_Release(tinfo);
TRACE("-- 0x%08x\n", hres);
return hres;
}
static HRESULT WINAPI ProxyIUnknown_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
{
TMProxyImpl *proxy = (TMProxyImpl *)iface;
TRACE("(%s, %p)\n", debugstr_guid(riid), ppv);
if (proxy->outerunknown)
return IUnknown_QueryInterface(proxy->outerunknown, riid, ppv);
FIXME("No interface\n");
return E_NOINTERFACE;
}
static ULONG WINAPI ProxyIUnknown_AddRef(IUnknown *iface)
{
TMProxyImpl *proxy = (TMProxyImpl *)iface;
TRACE("\n");
if (proxy->outerunknown)
return IUnknown_AddRef(proxy->outerunknown);
return 2; /* FIXME */
}
static ULONG WINAPI ProxyIUnknown_Release(IUnknown *iface)
{
TMProxyImpl *proxy = (TMProxyImpl *)iface;
TRACE("\n");
if (proxy->outerunknown)
return IUnknown_Release(proxy->outerunknown);
return 1; /* FIXME */
}
static HRESULT WINAPI ProxyIDispatch_GetTypeInfoCount(LPDISPATCH iface, UINT * pctinfo)
{
TMProxyImpl *This = (TMProxyImpl *)iface;
TRACE("(%p)\n", pctinfo);
return IDispatch_GetTypeInfoCount(This->dispatch, pctinfo);
}
static HRESULT WINAPI ProxyIDispatch_GetTypeInfo(LPDISPATCH iface, UINT iTInfo, LCID lcid, ITypeInfo** ppTInfo)
{
TMProxyImpl *This = (TMProxyImpl *)iface;
TRACE("(%d, %x, %p)\n", iTInfo, lcid, ppTInfo);
return IDispatch_GetTypeInfo(This->dispatch, iTInfo, lcid, ppTInfo);
}
static HRESULT WINAPI ProxyIDispatch_GetIDsOfNames(LPDISPATCH iface, REFIID riid, LPOLESTR * rgszNames, UINT cNames, LCID lcid, DISPID * rgDispId)
{
TMProxyImpl *This = (TMProxyImpl *)iface;
TRACE("(%s, %p, %d, 0x%x, %p)\n", debugstr_guid(riid), rgszNames, cNames, lcid, rgDispId);
return IDispatch_GetIDsOfNames(This->dispatch, riid, rgszNames,
cNames, lcid, rgDispId);
}
static HRESULT WINAPI ProxyIDispatch_Invoke(LPDISPATCH iface, DISPID dispIdMember, REFIID riid, LCID lcid,
WORD wFlags, DISPPARAMS * pDispParams, VARIANT * pVarResult,
EXCEPINFO * pExcepInfo, UINT * puArgErr)
{
TMProxyImpl *This = (TMProxyImpl *)iface;
TRACE("(%d, %s, 0x%x, 0x%x, %p, %p, %p, %p)\n", dispIdMember,
debugstr_guid(riid), lcid, wFlags, pDispParams, pVarResult,
pExcepInfo, puArgErr);
return IDispatch_Invoke(This->dispatch, dispIdMember, riid, lcid,
wFlags, pDispParams, pVarResult, pExcepInfo,
puArgErr);
}
static inline HRESULT get_facbuf_for_iid(REFIID riid, IPSFactoryBuffer **facbuf)
{
HRESULT hr;
CLSID clsid;
if ((hr = CoGetPSClsid(riid, &clsid)))
return hr;
return CoGetClassObject(&clsid, CLSCTX_INPROC_SERVER, NULL,
&IID_IPSFactoryBuffer, (LPVOID*)facbuf);
}
static HRESULT WINAPI
PSFacBuf_CreateProxy(
LPPSFACTORYBUFFER iface, IUnknown* pUnkOuter, REFIID riid,
IRpcProxyBuffer **ppProxy, LPVOID *ppv)
{
HRESULT hres;
ITypeInfo *tinfo;
int i, nroffuncs;
const FUNCDESC *fdesc;
TMProxyImpl *proxy;
TYPEATTR *typeattr;
TRACE("(...%s...)\n",debugstr_guid(riid));
hres = _get_typeinfo_for_iid(riid,&tinfo);
if (hres) {
ERR("No typeinfo for %s?\n",debugstr_guid(riid));
return hres;
}
nroffuncs = _nroffuncs(tinfo);
proxy = CoTaskMemAlloc(sizeof(TMProxyImpl));
if (!proxy) return E_OUTOFMEMORY;
assert(sizeof(TMAsmProxy) == 12);
proxy->dispatch = NULL;
proxy->dispatch_proxy = NULL;
proxy->outerunknown = pUnkOuter;
proxy->asmstubs = VirtualAlloc(NULL, sizeof(TMAsmProxy) * nroffuncs, MEM_COMMIT, PAGE_EXECUTE_READWRITE);
if (!proxy->asmstubs) {
ERR("Could not commit pages for proxy thunks\n");
CoTaskMemFree(proxy);
return E_OUTOFMEMORY;
}
proxy->lpvtbl2 = &tmproxyvtable;
/* one reference for the proxy */
proxy->ref = 1;
proxy->tinfo = tinfo;
memcpy(&proxy->iid,riid,sizeof(*riid));
proxy->chanbuf = 0;
InitializeCriticalSection(&proxy->crit);
proxy->lpvtbl = HeapAlloc(GetProcessHeap(),0,sizeof(LPBYTE)*nroffuncs);
for (i=0;i<nroffuncs;i++) {
TMAsmProxy *xasm = proxy->asmstubs+i;
switch (i) {
case 0:
proxy->lpvtbl[i] = ProxyIUnknown_QueryInterface;
break;
case 1:
proxy->lpvtbl[i] = ProxyIUnknown_AddRef;
break;
case 2:
proxy->lpvtbl[i] = ProxyIUnknown_Release;
break;
default: {
int j;
/* nrofargs without This */
int nrofargs;
ITypeInfo *tinfo2;
hres = _get_funcdesc(tinfo,i,&tinfo2,&fdesc,NULL,NULL);
ITypeInfo_Release(tinfo2);
if (hres) {
ERR("GetFuncDesc %x should not fail here.\n",hres);
return hres;
}
/* some args take more than 4 byte on the stack */
nrofargs = 0;
for (j=0;j<fdesc->cParams;j++)
nrofargs += _argsize(fdesc->lprgelemdescParam[j].tdesc.vt);
#ifdef __i386__
if (fdesc->callconv != CC_STDCALL) {
ERR("calling convention is not stdcall????\n");
return E_FAIL;
}
/* popl %eax - return ptr
* pushl <nr>
* pushl %eax
* call xCall
* lret <nr> (+4)
*
*
* arg3 arg2 arg1 <method> <returnptr>
*/
xasm->popleax = 0x58;
xasm->pushlval = 0x6a;
xasm->nr = i;
xasm->pushleax = 0x50;
xasm->lcall = 0xe8; /* relative jump */
xasm->xcall = (DWORD)xCall;
xasm->xcall -= (DWORD)&(xasm->lret);
xasm->lret = 0xc2;
xasm->bytestopop= (nrofargs+2)*4; /* pop args, This, iMethod */
proxy->lpvtbl[i] = xasm;
break;
#else
FIXME("not implemented on non i386\n");
return E_FAIL;
#endif
}
}
}
/* if we derive from IDispatch then defer to its proxy for its methods */
hres = ITypeInfo_GetTypeAttr(tinfo, &typeattr);
if (hres == S_OK)
{
if (typeattr->wTypeFlags & TYPEFLAG_FDISPATCHABLE)
{
IPSFactoryBuffer *factory_buffer;
hres = get_facbuf_for_iid(&IID_IDispatch, &factory_buffer);
if (hres == S_OK)
{
hres = IPSFactoryBuffer_CreateProxy(factory_buffer, NULL,
&IID_IDispatch, &proxy->dispatch_proxy,
(void **)&proxy->dispatch);
IPSFactoryBuffer_Release(factory_buffer);
}
if ((hres == S_OK) && (nroffuncs < 7))
{
ERR("nroffuncs calculated incorrectly (%d)\n", nroffuncs);
hres = E_UNEXPECTED;
}
if (hres == S_OK)
{
proxy->lpvtbl[3] = ProxyIDispatch_GetTypeInfoCount;
proxy->lpvtbl[4] = ProxyIDispatch_GetTypeInfo;
proxy->lpvtbl[5] = ProxyIDispatch_GetIDsOfNames;
proxy->lpvtbl[6] = ProxyIDispatch_Invoke;
}
}
ITypeInfo_ReleaseTypeAttr(tinfo, typeattr);
}
if (hres == S_OK)
{
*ppv = (LPVOID)proxy;
*ppProxy = (IRpcProxyBuffer *)&(proxy->lpvtbl2);
IUnknown_AddRef((IUnknown *)*ppv);
return S_OK;
}
else
TMProxyImpl_Release((IRpcProxyBuffer *)&proxy->lpvtbl2);
return hres;
}
typedef struct _TMStubImpl {
const IRpcStubBufferVtbl *lpvtbl;
LONG ref;
LPUNKNOWN pUnk;
ITypeInfo *tinfo;
IID iid;
IRpcStubBuffer *dispatch_stub;
BOOL dispatch_derivative;
} TMStubImpl;
static HRESULT WINAPI
TMStubImpl_QueryInterface(LPRPCSTUBBUFFER iface, REFIID riid, LPVOID *ppv)
{
if (IsEqualIID(riid,&IID_IRpcStubBuffer)||IsEqualIID(riid,&IID_IUnknown)){
*ppv = (LPVOID)iface;
IRpcStubBuffer_AddRef(iface);
return S_OK;
}
FIXME("%s, not supported IID.\n",debugstr_guid(riid));
return E_NOINTERFACE;
}
static ULONG WINAPI
TMStubImpl_AddRef(LPRPCSTUBBUFFER iface)
{
TMStubImpl *This = (TMStubImpl *)iface;
ULONG refCount = InterlockedIncrement(&This->ref);
TRACE("(%p)->(ref before=%u)\n", This, refCount - 1);
return refCount;
}
static ULONG WINAPI
TMStubImpl_Release(LPRPCSTUBBUFFER iface)
{
TMStubImpl *This = (TMStubImpl *)iface;
ULONG refCount = InterlockedDecrement(&This->ref);
TRACE("(%p)->(ref before=%u)\n", This, refCount + 1);
if (!refCount)
{
IRpcStubBuffer_Disconnect(iface);
ITypeInfo_Release(This->tinfo);
if (This->dispatch_stub)
IRpcStubBuffer_Release(This->dispatch_stub);
CoTaskMemFree(This);
}
return refCount;
}
static HRESULT WINAPI
TMStubImpl_Connect(LPRPCSTUBBUFFER iface, LPUNKNOWN pUnkServer)
{
TMStubImpl *This = (TMStubImpl *)iface;
TRACE("(%p)->(%p)\n", This, pUnkServer);
IUnknown_AddRef(pUnkServer);
This->pUnk = pUnkServer;
if (This->dispatch_stub)
IRpcStubBuffer_Connect(This->dispatch_stub, pUnkServer);
return S_OK;
}
static void WINAPI
TMStubImpl_Disconnect(LPRPCSTUBBUFFER iface)
{
TMStubImpl *This = (TMStubImpl *)iface;
TRACE("(%p)->()\n", This);
if (This->pUnk)
{
IUnknown_Release(This->pUnk);
This->pUnk = NULL;
}
if (This->dispatch_stub)
IRpcStubBuffer_Disconnect(This->dispatch_stub);
}
static HRESULT WINAPI
TMStubImpl_Invoke(
LPRPCSTUBBUFFER iface, RPCOLEMESSAGE* xmsg,IRpcChannelBuffer*rpcchanbuf)
{
int i;
const FUNCDESC *fdesc;
TMStubImpl *This = (TMStubImpl *)iface;
HRESULT hres;
DWORD *args = NULL, res, *xargs, nrofargs;
marshal_state buf;
UINT nrofnames = 0;
BSTR names[10];
BSTR iname = NULL;
ITypeInfo *tinfo = NULL;
TRACE("...\n");
if (xmsg->iMethod < 3) {
ERR("IUnknown methods cannot be marshaled by the typelib marshaler\n");
return E_UNEXPECTED;
}
if (This->dispatch_derivative && xmsg->iMethod < sizeof(IDispatchVtbl)/sizeof(void *))
{
IPSFactoryBuffer *factory_buffer;
hres = get_facbuf_for_iid(&IID_IDispatch, &factory_buffer);
if (hres == S_OK)
{
hres = IPSFactoryBuffer_CreateStub(factory_buffer, &IID_IDispatch,
This->pUnk, &This->dispatch_stub);
IPSFactoryBuffer_Release(factory_buffer);
}
if (hres != S_OK)
return hres;
return IRpcStubBuffer_Invoke(This->dispatch_stub, xmsg, rpcchanbuf);
}
memset(&buf,0,sizeof(buf));
buf.size = xmsg->cbBuffer;
buf.base = HeapAlloc(GetProcessHeap(), 0, xmsg->cbBuffer);
memcpy(buf.base, xmsg->Buffer, xmsg->cbBuffer);
buf.curoff = 0;
hres = _get_funcdesc(This->tinfo,xmsg->iMethod,&tinfo,&fdesc,&iname,NULL);
if (hres) {
ERR("GetFuncDesc on method %d failed with %x\n",xmsg->iMethod,hres);
return hres;
}
if (iname && !lstrcmpW(iname, IDispatchW))
{
ERR("IDispatch cannot be marshaled by the typelib marshaler\n");
hres = E_UNEXPECTED;
SysFreeString (iname);
goto exit;
}
if (iname) SysFreeString (iname);
/* Need them for hack below */
memset(names,0,sizeof(names));
ITypeInfo_GetNames(tinfo,fdesc->memid,names,sizeof(names)/sizeof(names[0]),&nrofnames);
if (nrofnames > sizeof(names)/sizeof(names[0])) {
ERR("Need more names!\n");
}
/*dump_FUNCDESC(fdesc);*/
nrofargs = 0;
for (i=0;i<fdesc->cParams;i++)
nrofargs += _argsize(fdesc->lprgelemdescParam[i].tdesc.vt);
args = HeapAlloc(GetProcessHeap(),0,(nrofargs+1)*sizeof(DWORD));
if (!args)
{
hres = E_OUTOFMEMORY;
goto exit;
}
/* Allocate all stuff used by call. */
xargs = args+1;
for (i=0;i<fdesc->cParams;i++) {
ELEMDESC *elem = fdesc->lprgelemdescParam+i;
hres = deserialize_param(
tinfo,
elem->u.paramdesc.wParamFlags & PARAMFLAG_FIN || !elem->u.paramdesc.wParamFlags,
FALSE,
TRUE,
&(elem->tdesc),
xargs,
&buf
);
xargs += _argsize(elem->tdesc.vt);
if (hres) {
ERR("Failed to deserialize param %s, hres %x\n",relaystr(names[i+1]),hres);
break;
}
}
args[0] = (DWORD)This->pUnk;
__TRY
{
res = _invoke(
(*((FARPROC**)args[0]))[fdesc->oVft/4],
fdesc->callconv,
(xargs-args),
args
);
}
__EXCEPT(NULL)
{
DWORD dwExceptionCode = GetExceptionCode();
ERR("invoke call failed with exception 0x%08x (%d)\n", dwExceptionCode, dwExceptionCode);
if (FAILED(dwExceptionCode))
hres = dwExceptionCode;
else
hres = HRESULT_FROM_WIN32(dwExceptionCode);
}
__ENDTRY
if (hres != S_OK)
goto exit;
buf.curoff = 0;
xargs = args+1;
for (i=0;i<fdesc->cParams;i++) {
ELEMDESC *elem = fdesc->lprgelemdescParam+i;
hres = serialize_param(
tinfo,
elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT,
FALSE,
TRUE,
&elem->tdesc,
xargs,
&buf
);
xargs += _argsize(elem->tdesc.vt);
if (hres) {
ERR("Failed to stuballoc param, hres %x\n",hres);
break;
}
}
hres = xbuf_add (&buf, (LPBYTE)&res, sizeof(DWORD));
if (hres != S_OK)
goto exit;
xmsg->cbBuffer = buf.curoff;
hres = IRpcChannelBuffer_GetBuffer(rpcchanbuf, xmsg, &This->iid);
if (hres != S_OK)
ERR("IRpcChannelBuffer_GetBuffer failed with error 0x%08x\n", hres);
if (hres == S_OK)
memcpy(xmsg->Buffer, buf.base, buf.curoff);
exit:
for (i = 0; i < nrofnames; i++)
SysFreeString(names[i]);
ITypeInfo_Release(tinfo);
HeapFree(GetProcessHeap(), 0, args);
HeapFree(GetProcessHeap(), 0, buf.base);
TRACE("returning\n");
return hres;
}
static LPRPCSTUBBUFFER WINAPI
TMStubImpl_IsIIDSupported(LPRPCSTUBBUFFER iface, REFIID riid) {
FIXME("Huh (%s)?\n",debugstr_guid(riid));
return NULL;
}
static ULONG WINAPI
TMStubImpl_CountRefs(LPRPCSTUBBUFFER iface) {
TMStubImpl *This = (TMStubImpl *)iface;
FIXME("()\n");
return This->ref; /*FIXME? */
}
static HRESULT WINAPI
TMStubImpl_DebugServerQueryInterface(LPRPCSTUBBUFFER iface, LPVOID *ppv) {
return E_NOTIMPL;
}
static void WINAPI
TMStubImpl_DebugServerRelease(LPRPCSTUBBUFFER iface, LPVOID ppv) {
return;
}
static const IRpcStubBufferVtbl tmstubvtbl = {
TMStubImpl_QueryInterface,
TMStubImpl_AddRef,
TMStubImpl_Release,
TMStubImpl_Connect,
TMStubImpl_Disconnect,
TMStubImpl_Invoke,
TMStubImpl_IsIIDSupported,
TMStubImpl_CountRefs,
TMStubImpl_DebugServerQueryInterface,
TMStubImpl_DebugServerRelease
};
static HRESULT WINAPI
PSFacBuf_CreateStub(
LPPSFACTORYBUFFER iface, REFIID riid,IUnknown *pUnkServer,
IRpcStubBuffer** ppStub
) {
HRESULT hres;
ITypeInfo *tinfo;
TMStubImpl *stub;
TYPEATTR *typeattr;
TRACE("(%s,%p,%p)\n",debugstr_guid(riid),pUnkServer,ppStub);
hres = _get_typeinfo_for_iid(riid,&tinfo);
if (hres) {
ERR("No typeinfo for %s?\n",debugstr_guid(riid));
return hres;
}
stub = CoTaskMemAlloc(sizeof(TMStubImpl));
if (!stub)
return E_OUTOFMEMORY;
stub->lpvtbl = &tmstubvtbl;
stub->ref = 1;
stub->tinfo = tinfo;
stub->dispatch_stub = NULL;
stub->dispatch_derivative = FALSE;
memcpy(&(stub->iid),riid,sizeof(*riid));
hres = IRpcStubBuffer_Connect((LPRPCSTUBBUFFER)stub,pUnkServer);
*ppStub = (LPRPCSTUBBUFFER)stub;
TRACE("IRpcStubBuffer: %p\n", stub);
if (hres)
ERR("Connect to pUnkServer failed?\n");
/* if we derive from IDispatch then defer to its stub for some of its methods */
hres = ITypeInfo_GetTypeAttr(tinfo, &typeattr);
if (hres == S_OK)
{
if (typeattr->wTypeFlags & TYPEFLAG_FDISPATCHABLE)
stub->dispatch_derivative = TRUE;
ITypeInfo_ReleaseTypeAttr(tinfo, typeattr);
}
return hres;
}
static const IPSFactoryBufferVtbl psfacbufvtbl = {
PSFacBuf_QueryInterface,
PSFacBuf_AddRef,
PSFacBuf_Release,
PSFacBuf_CreateProxy,
PSFacBuf_CreateStub
};
/* This is the whole PSFactoryBuffer object, just the vtableptr */
static const IPSFactoryBufferVtbl *lppsfac = &psfacbufvtbl;
/***********************************************************************
* TMARSHAL_DllGetClassObject
*/
HRESULT TMARSHAL_DllGetClassObject(REFCLSID rclsid, REFIID iid,LPVOID *ppv)
{
if (IsEqualIID(iid,&IID_IPSFactoryBuffer)) {
*ppv = &lppsfac;
return S_OK;
}
return E_NOINTERFACE;
}
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