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Sweden-Number/dlls/oleaut32/tmarshal.c

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/*
* TYPELIB Marshaler
*
* Copyright 2002 Marcus Meissner
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "config.h"
#include <assert.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <ctype.h>
#include "winerror.h"
#include "winnls.h"
#include "winreg.h"
#include "winuser.h"
#include "ole2.h"
#include "wine/unicode.h"
#include "wine/obj_base.h"
#include "wine/obj_channel.h"
#include "wine/obj_storage.h"
#include "heap.h"
#include "ole2disp.h"
#include "typelib.h"
#include "wine/debug.h"
#include "ntddk.h"
static const WCHAR riidW[5] = {'r','i','i','d',0};
WINE_DEFAULT_DEBUG_CHANNEL(ole);
WINE_DECLARE_DEBUG_CHANNEL(olerelay);
typedef struct _marshal_state {
LPBYTE base;
int size;
int curoff;
BOOL thisisiid;
IID iid; /* HACK: for VT_VOID */
} marshal_state;
static HRESULT
xbuf_add(marshal_state *buf, LPBYTE stuff, DWORD size) {
while (buf->size - buf->curoff < size) {
if (buf->base) {
buf->size += 100;
buf->base = HeapReAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,buf->base,buf->size);
if (!buf->base)
return E_OUTOFMEMORY;
} else {
buf->base = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,32);
buf->size = 32;
if (!buf->base)
return E_OUTOFMEMORY;
}
}
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) return hres;
if (xsize == 0) return S_OK;
hres = CreateStreamOnHGlobal(0,TRUE,&pStm);
if (hres) {
FIXME("Stream create failed %lx\n",hres);
return hres;
}
hres = IStream_Write(pStm,buf->base+buf->curoff,xsize,&res);
if (hres) { FIXME("stream write %lx\n",hres); return hres; }
memset(&seekto,0,sizeof(seekto));
hres = IStream_Seek(pStm,seekto,SEEK_SET,&newpos);
if (hres) { FIXME("Failed Seek %lx\n",hres); return hres;}
hres = CoUnmarshalInterface(pStm,riid,(LPVOID*)pUnk);
if (hres) {
FIXME("Marshaling interface %s failed with %lx\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) {
LPUNKNOWN newiface;
LPBYTE tempbuf;
IStream *pStm;
STATSTG ststg;
ULARGE_INTEGER newpos;
LARGE_INTEGER seekto;
ULONG res;
DWORD xsize;
HRESULT hres;
hres = S_OK;
if (!pUnk)
goto fail;
TRACE("...%s...\n",debugstr_guid(riid));
hres=IUnknown_QueryInterface(pUnk,riid,(LPVOID*)&newiface);
if (hres) {
TRACE("%p does not support iface %s\n",pUnk,debugstr_guid(riid));
goto fail;
}
hres = CreateStreamOnHGlobal(0,TRUE,&pStm);
if (hres) {
FIXME("Stream create failed %lx\n",hres);
goto fail;
}
hres = CoMarshalInterface(pStm,riid,newiface,0,NULL,0);
IUnknown_Release(newiface);
if (hres) {
FIXME("Marshaling interface %s failed with %lx\n",
debugstr_guid(riid),hres
);
goto fail;
}
hres = IStream_Stat(pStm,&ststg,0);
tempbuf = HeapAlloc(GetProcessHeap(), 0, ststg.cbSize.s.LowPart);
memset(&seekto,0,sizeof(seekto));
hres = IStream_Seek(pStm,seekto,SEEK_SET,&newpos);
if (hres) { FIXME("Failed Seek %lx\n",hres); goto fail;}
hres = IStream_Read(pStm,tempbuf,ststg.cbSize.s.LowPart,&res);
if (hres) { FIXME("Failed Read %lx\n",hres); goto fail;}
IStream_Release(pStm);
xsize = ststg.cbSize.s.LowPart;
xbuf_add(buf,(LPBYTE)&xsize,sizeof(xsize));
hres = xbuf_add(buf,tempbuf,ststg.cbSize.s.LowPart);
HeapFree(GetProcessHeap(),0,tempbuf);
return hres;
fail:
xsize = 0;
xbuf_add(buf,(LPBYTE)&xsize,sizeof(xsize));
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, tlfnlen;
ITypeLib *tl;
sprintf( interfacekey, "Interface\\{%08lx-%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)) {
FIXME("No %s key found.\n",interfacekey);
return E_FAIL;
}
type = (1<<REG_SZ);
tlguidlen = sizeof(tlguid);
if (RegQueryValueExA(ikey,NULL,NULL,&type,tlguid,&tlguidlen)) {
FIXME("Getting typelib guid failed.\n");
RegCloseKey(ikey);
return E_FAIL;
}
type = (1<<REG_SZ);
verlen = sizeof(ver);
if (RegQueryValueExA(ikey,"Version",NULL,&type,ver,&verlen)) {
FIXME("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)) {
FIXME("Could not get typelib fn?\n");
return E_FAIL;
}
MultiByteToWideChar(CP_ACP, 0, tlfn, -1, tlfnW, -1);
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;
}
/* FIXME: do this? 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, max = 0;
FUNCDESC *fdesc;
HRESULT hres;
n=0;
while (1) {
hres = ITypeInfo_GetFuncDesc(tinfo,n,&fdesc);
if (fdesc->oVft/4 > max)
max = fdesc->oVft/4;
if (hres)
return max+1;
n++;
}
/*NOTREACHED*/
}
typedef struct _TMAsmProxy {
BYTE popleax;
BYTE pushlval;
BYTE nr;
BYTE pushleax;
BYTE lcall;
DWORD xcall;
BYTE lret;
WORD bytestopop;
} WINE_PACKED TMAsmProxy;
typedef struct _TMProxyImpl {
DWORD *lpvtbl;
ICOM_VTABLE(IRpcProxyBuffer) *lpvtbl2;
DWORD ref;
TMAsmProxy *asmstubs;
ITypeInfo* tinfo;
IRpcChannelBuffer* chanbuf;
IID iid;
} 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);
TRACE("()\n");
This->ref++;
return This->ref;
}
static ULONG WINAPI
TMProxyImpl_Release(LPRPCPROXYBUFFER iface) {
ICOM_THIS_MULTI(TMProxyImpl,lpvtbl2,iface);
TRACE("()\n");
This->ref--;
if (This->ref) return This->ref;
if (This->chanbuf) IRpcChannelBuffer_Release(This->chanbuf);
HeapFree(GetProcessHeap(),0,This);
return 0;
}
static HRESULT WINAPI
TMProxyImpl_Connect(
LPRPCPROXYBUFFER iface,IRpcChannelBuffer* pRpcChannelBuffer
) {
ICOM_THIS_MULTI(TMProxyImpl,lpvtbl2,iface);
TRACE("(%p)\n",pRpcChannelBuffer);
This->chanbuf = pRpcChannelBuffer;
IRpcChannelBuffer_AddRef(This->chanbuf);
return S_OK;
}
static void WINAPI
TMProxyImpl_Disconnect(LPRPCPROXYBUFFER iface) {
ICOM_THIS_MULTI(TMProxyImpl,lpvtbl2,iface);
FIXME("()\n");
IRpcChannelBuffer_Release(This->chanbuf);
This->chanbuf = NULL;
}
static ICOM_VTABLE(IRpcProxyBuffer) tmproxyvtable = {
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
TMProxyImpl_QueryInterface,
TMProxyImpl_AddRef,
TMProxyImpl_Release,
TMProxyImpl_Connect,
TMProxyImpl_Disconnect
};
static HRESULT
marshall_param(
ITypeInfo *tinfo, ELEMDESC *elem, TYPEDESC *tdesc, DWORD *arg, marshal_state *buf
) {
int relaydeb = TRACE_ON(olerelay);
HRESULT hres;
if (!tdesc) tdesc = &(elem->tdesc);
switch (tdesc->vt) {
case VT_NULL:
return S_OK;
case VT_BSTR: { /* DWORD size, string data */
DWORD *bstr = ((DWORD*)(*arg))-1;
if (relaydeb) MESSAGE("%s",debugstr_w((LPWSTR)(bstr+1)));
return xbuf_add(buf,(LPBYTE)bstr,bstr[0]+4);
}
case VT_BOOL:
case VT_I4:
if (relaydeb) MESSAGE("%ld",*arg);
return xbuf_add(buf,(LPBYTE)arg,4);
case VT_VARIANT: {
/* We use ourselves to marshal the value further */
TYPEDESC tdesc2;
VARIANT *vt = (VARIANT*)arg;
DWORD vttype = V_VT(vt);
hres = xbuf_add(buf,(LPBYTE)&vttype,sizeof(vttype));
if (hres) return hres;
tdesc2.vt = vttype;
if (relaydeb) MESSAGE("Vt %ld ",vttype);
/* shield your eyes, bad pointer voodoo below */
return marshall_param(tinfo,elem,&tdesc2,(DWORD*)&(V_I4(vt)),buf);
}
case VT_PTR:
return marshall_param(tinfo,elem,tdesc->u.lptdesc,(DWORD*)*arg,buf);
case VT_VOID:
hres = _marshal_interface(buf,&(buf->iid),(LPUNKNOWN)arg);
if (hres) {
FIXME("Failed unmarshaling VT_VOID with guid %s?\n",debugstr_guid(&(buf->iid)));
}
return hres;
case VT_USERDEFINED: {
ITypeInfo *tinfo2;
TYPEATTR *tattr;
/*FIXME("VT_USERDEFINED arg is %p, *arg is %p\n",arg,*arg);*/
hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.hreftype,&tinfo2);
if (hres) {
FIXME("Could not get typeinfo of hreftype %lx for VT_USERDEFINED.\n",tdesc->u.hreftype);
return hres;
}
ITypeInfo_GetTypeAttr(tinfo2,&tattr);
switch (tattr->typekind) {
case TKIND_INTERFACE:
if (relaydeb) MESSAGE("if(%p), vtbl %p",arg,(LPVOID)*arg);
hres = _marshal_interface(buf,&(tattr->guid),(LPUNKNOWN)arg);
break;
case TKIND_RECORD:
if (relaydeb) MESSAGE("record %p",arg);
if (buf->thisisiid)
memcpy(&(buf->iid),arg,sizeof(buf->iid));
hres = xbuf_add(buf,(LPBYTE)arg,tattr->cbSizeInstance);
break;
default:
FIXME("Don't know how to marshal type kind %d\n",tattr->typekind);
hres = E_FAIL;
break;
}
ITypeInfo_Release(tinfo2);
return hres;
}
default:
ERR("Cannot marshal type %d\n",tdesc->vt);
/*dump_ELEMDESC(elem);*/
return E_FAIL;
}
return S_OK;
}
static HRESULT
unmarshall_param(
ITypeInfo *tinfo, ELEMDESC *elem, TYPEDESC *tdesc, DWORD *arg, marshal_state *buf
) {
HRESULT hres = S_OK;
int relaydeb = TRACE_ON(olerelay);
if (!tdesc) tdesc = &(elem->tdesc);
switch (tdesc->vt) {
case VT_I4: {
DWORD x;
xbuf_get(buf,(LPBYTE)&x,sizeof(x));
*arg = x;
if (relaydeb) MESSAGE("%ld ",x);
return S_OK;
}
case VT_PTR:
if ((tdesc->u.lptdesc->vt != VT_USERDEFINED) &&
(tdesc->u.lptdesc->vt != VT_VOID)
)
hres = unmarshall_param(tinfo,elem,tdesc->u.lptdesc,(DWORD*)(*arg),buf);
else
hres = unmarshall_param(tinfo,elem,tdesc->u.lptdesc,arg,buf);
if (relaydeb) MESSAGE("%p ",(LPVOID)*arg);
return S_OK;
case VT_USERDEFINED: {
ITypeInfo *tinfo2;
TYPEATTR *tattr;
if (relaydeb) MESSAGE("%p",arg);
hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.hreftype,&tinfo2);
if (hres) {
FIXME("Could not get typeinfo of hreftype %lx for VT_USERDEFINED.\n",tdesc->u.hreftype);
return hres;
}
hres = ITypeInfo_GetTypeAttr(tinfo2,&tattr);
if (hres) {
FIXME("Could not get typeattr in VT_USERDEFINED.\n");
return hres;
}
switch (tattr->typekind) {
case TKIND_INTERFACE:
hres = _unmarshal_interface(buf,&(tattr->guid),(LPUNKNOWN*)arg);
break;
case TKIND_RECORD:
hres = xbuf_get(buf,(LPBYTE)arg,tattr->cbSizeInstance);
break;
default:
hres = E_FAIL;
FIXME("Don't know how to marshal type kind %d\n",tattr->typekind);
}
ITypeInfo_Release(tinfo2);
return hres;
}
case VT_VOID:
/* Hacky. If we are LPVOID* we apparently have to guess the IID
* for the interface. This sucks pretty badly. */
return _unmarshal_interface(buf,&(buf->iid),(LPUNKNOWN*)arg);
default: ERR("Cannot unmarshal type %d\n",tdesc->vt);
return E_FAIL;
}
return S_OK;
}
/* Searches function, also in inherited interfaces */
static HRESULT
_get_funcdesc(
ITypeInfo *tinfo, int iMethod, FUNCDESC **fdesc,
BSTR *iname, BSTR *fname
) {
int i = 0, j = 0;
HRESULT hres;
if (fname) *fname = NULL;
if (iname) *iname = NULL;
while (1) {
hres = ITypeInfo_GetFuncDesc(tinfo, i, fdesc);
if (hres) {
ITypeInfo *tinfo2;
HREFTYPE href;
TYPEATTR *attr;
hres = ITypeInfo_GetTypeAttr(tinfo, &attr);
if (hres) {
FIXME("GetTypeAttr failed with %lx\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) {
FIXME("Did not find a reftype for interface offset %d?\n",j);
break;
}
hres = ITypeInfo_GetRefTypeInfo(tinfo, href, &tinfo2);
if (hres) {
FIXME("Did not find a typeinfo for reftype %ld?\n",href);
continue;
}
hres = _get_funcdesc(tinfo2,iMethod,fdesc,iname,fname);
ITypeInfo_Release(tinfo2);
if (!hres) return S_OK;
}
return E_FAIL;
}
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);
return S_OK;
}
i++;
}
return E_FAIL;
}
/* how much space do we use on stack in DWORD steps. */
static int
_argsize(DWORD vt_type) {
switch (vt_type) {
case VT_VARIANT:
return (sizeof(VARIANT)+3)/sizeof(DWORD);
default:
return 1;
}
}
static DWORD
xCall(LPVOID retptr, int method, TMProxyImpl *tpinfo /*, args */) {
DWORD *args = ((DWORD*)&tpinfo)+1, *xargs;
FUNCDESC *fdesc;
HRESULT hres;
int i, relaydeb = TRACE_ON(olerelay);
marshal_state buf;
RPCOLEMESSAGE msg;
ULONG status;
BSTR fname,iname;
BSTR names[10];
int nrofnames;
hres = _get_funcdesc(tpinfo->tinfo,method,&fdesc,&iname,&fname);
if (hres) {
ERR("Did not find typeinfo/funcdesc entry for method %d!\n",method);
return 0;
}
/*dump_FUNCDESC(fdesc);*/
if (relaydeb) {
TRACE_(olerelay)("->");
if (iname)
MESSAGE("%s:",debugstr_w(iname));
if (fname)
MESSAGE("%s(%d)",debugstr_w(fname),method);
else
MESSAGE("%d",method);
MESSAGE("(");
if (iname) SysFreeString(iname);
if (fname) SysFreeString(fname);
}
/* Need them for hack below */
memset(names,0,sizeof(names));
ITypeInfo_GetNames(tpinfo->tinfo,fdesc->memid,names,sizeof(names)/sizeof(names[0]),&nrofnames);
if (nrofnames > sizeof(names)/sizeof(names[0])) {
ERR("Need more names!\n");
}
memset(&buf,0,sizeof(buf));
buf.iid = IID_IUnknown;
if (method == 0) {
xbuf_add(&buf,(LPBYTE)args[0],sizeof(IID));
if (relaydeb) MESSAGE("riid=%s,[out]",debugstr_guid((REFIID)args[0]));
} else {
xargs = args;
for (i=0;i<fdesc->cParams;i++) {
ELEMDESC *elem = fdesc->lprgelemdescParam+i;
if (relaydeb) {
if (i) MESSAGE(",");
if (i+1<nrofnames && names[i+1])
MESSAGE("%s=",debugstr_w(names[i+1]));
}
if (((i+1)<nrofnames) && !lstrcmpW(names[i+1],riidW)) {
buf.thisisiid = TRUE;
} else {
buf.thisisiid = FALSE;
}
/* No need to marshal other data than FIN */
if (!(elem->u.paramdesc.wParamFlags & PARAMFLAG_FIN)) {
xargs+=_argsize(elem->tdesc.vt);
if (relaydeb) MESSAGE("[out]");
continue;
}
hres = marshall_param(tpinfo->tinfo,elem,NULL,xargs,&buf);
xargs+=_argsize(elem->tdesc.vt);
if (hres) {
FIXME("Failed to marshall param, hres %lx\n",hres);
break;
}
}
}
if (relaydeb) MESSAGE(")");
memset(&msg,0,sizeof(msg));
msg.cbBuffer = buf.curoff;
msg.iMethod = method;
hres = IRpcChannelBuffer_GetBuffer(tpinfo->chanbuf,&msg,&(tpinfo->iid));
if (hres) {
FIXME("RpcChannelBuffer GetBuffer failed, %lx\n",hres);
return hres;
}
memcpy(msg.Buffer,buf.base,buf.curoff);
hres = IRpcChannelBuffer_SendReceive(tpinfo->chanbuf,&msg,&status);
if (hres) {
FIXME("RpcChannelBuffer SendReceive failed, %lx\n",hres);
return hres;
}
if (relaydeb) MESSAGE(" = %08lx (",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;
if (method == 0) {
_unmarshal_interface(&buf,(REFIID)args[0],(LPUNKNOWN*)args[1]);
if (relaydeb) MESSAGE("[in],%p",*((DWORD**)args[1]));
} else {
xargs = args;
for (i=0;i<fdesc->cParams;i++) {
ELEMDESC *elem = fdesc->lprgelemdescParam+i;
if (relaydeb) {
if (i) MESSAGE(",");
if (i+1<nrofnames && names[i+1]) MESSAGE("%s=",debugstr_w(names[i+1]));
}
/* No need to marshal other data than FOUT I think */
if (!(elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT)) {
xargs += _argsize(elem->tdesc.vt);
if (relaydeb) MESSAGE("[in]");
continue;
}
hres = unmarshall_param(tpinfo->tinfo,elem,&(elem->tdesc),xargs,&buf);
xargs += _argsize(elem->tdesc.vt);
if (hres) {
FIXME("Failed to unmarshall param, hres %lx\n",hres);
break;
}
}
}
if (relaydeb) MESSAGE(")\n");
HeapFree(GetProcessHeap(),0,buf.base);
return status;
}
static HRESULT WINAPI
PSFacBuf_CreateProxy(
LPPSFACTORYBUFFER iface, IUnknown* pUnkOuter, REFIID riid,
IRpcProxyBuffer **ppProxy, LPVOID *ppv
) {
HRESULT hres;
ITypeInfo *tinfo;
int i, nroffuncs;
FUNCDESC *fdesc;
TMProxyImpl *proxy;
TRACE("(...%s...)\n",debugstr_guid(riid));
hres = _get_typeinfo_for_iid(riid,&tinfo);
if (hres) {
FIXME("No typeinfo for %s?\n",debugstr_guid(riid));
return hres;
}
nroffuncs = _nroffuncs(tinfo);
proxy = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(TMProxyImpl));
if (!proxy) return E_OUTOFMEMORY;
proxy->asmstubs=HeapAlloc(GetProcessHeap(),0,sizeof(TMAsmProxy)*nroffuncs);
assert(sizeof(TMAsmProxy) == 12);
proxy->lpvtbl = HeapAlloc(GetProcessHeap(),0,sizeof(LPBYTE)*nroffuncs);
for (i=0;i<nroffuncs;i++) {
int nrofargs;
TMAsmProxy *xasm = proxy->asmstubs+i;
/* nrofargs without This */
switch (i) {
case 0: nrofargs = 2;
break;
case 1: case 2: nrofargs = 0;
break;
default: {
int j;
hres = _get_funcdesc(tinfo,i,&fdesc,NULL,NULL);
if (hres) {
FIXME("GetFuncDesc %lx 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);
if (fdesc->callconv != CC_STDCALL) {
ERR("calling convention is not stdcall????\n");
return E_FAIL;
}
break;
}
}
/* 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] = (DWORD)xasm;
}
proxy->lpvtbl2 = &tmproxyvtable;
proxy->ref = 2;
proxy->tinfo = tinfo;
memcpy(&proxy->iid,riid,sizeof(*riid));
*ppv = (LPVOID)proxy;
*ppProxy = (IRpcProxyBuffer *)&(proxy->lpvtbl2);
return S_OK;
}
typedef struct _TMStubImpl {
ICOM_VTABLE(IRpcStubBuffer) *lpvtbl;
DWORD ref;
LPUNKNOWN pUnk;
ITypeInfo *tinfo;
IID iid;
} 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) {
ICOM_THIS(TMStubImpl,iface);
This->ref++;
return This->ref;
}
static ULONG WINAPI
TMStubImpl_Release(LPRPCSTUBBUFFER iface) {
ICOM_THIS(TMStubImpl,iface);
This->ref--;
if (This->ref)
return This->ref;
HeapFree(GetProcessHeap(),0,This);
return 0;
}
static HRESULT WINAPI
TMStubImpl_Connect(LPRPCSTUBBUFFER iface, LPUNKNOWN pUnkServer) {
ICOM_THIS(TMStubImpl,iface);
IUnknown_AddRef(pUnkServer);
This->pUnk = pUnkServer;
return S_OK;
}
static void WINAPI
TMStubImpl_Disconnect(LPRPCSTUBBUFFER iface) {
ICOM_THIS(TMStubImpl,iface);
IUnknown_Release(This->pUnk);
This->pUnk = NULL;
return;
}
static HRESULT
stuballoc_param(
ITypeInfo *tinfo, ELEMDESC *elem, TYPEDESC *tdesc, DWORD *arg, marshal_state *buf
) {
HRESULT hres;
while (1) {
switch (tdesc->vt) {
case VT_VARIANT: {
DWORD vttype;
VARIANT *vt = (VARIANT*)arg;
TYPEDESC tdesc2;
hres = xbuf_get(buf,(LPBYTE)&vttype,sizeof(vttype));
if (hres) return hres;
memset(&tdesc2,0,sizeof(tdesc));
tdesc2.vt = vttype;
V_VT(vt) = vttype;
return stuballoc_param(tinfo,elem,&tdesc2,&(V_I4(vt)),buf);
}
case VT_BOOL: case VT_I4:
xbuf_get(buf,(LPBYTE)arg,sizeof(DWORD));
return S_OK;
case VT_BSTR: {
WCHAR *str;
DWORD len;
hres = xbuf_get(buf,(LPBYTE)&len,sizeof(DWORD));
if (hres)
return hres;
str = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,len+sizeof(WCHAR));
hres = xbuf_get(buf,(LPBYTE)str,len);
if (hres) return hres;
*arg = (DWORD)SysAllocStringLen(str,len);
HeapFree(GetProcessHeap(),0,str);
return S_OK;
}
case VT_PTR:
if ((tdesc->u.lptdesc->vt != VT_USERDEFINED) &&
(tdesc->u.lptdesc->vt != VT_VOID)
) {
*arg=(DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(LPVOID));
arg = (DWORD*)*arg;
}
tdesc = tdesc->u.lptdesc;
break;
case VT_UNKNOWN:
/* FIXME: UNKNOWN is unknown ..., but allocate 4 byte for it */
*arg=(DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(DWORD));
return S_OK;
case VT_VOID:
*arg = (DWORD)HeapAlloc(GetProcessHeap(),0,sizeof(LPVOID));
hres = S_OK;
if (elem->u.paramdesc.wParamFlags & PARAMFLAG_FIN)
hres = _unmarshal_interface(buf,&(buf->iid),(LPUNKNOWN*)arg);
return hres;
case VT_USERDEFINED: {
if (elem->u.paramdesc.wParamFlags & PARAMFLAG_FIN) {
ITypeInfo *tinfo2;
TYPEATTR *tattr;
hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.hreftype,&tinfo2);
if (hres) {
FIXME("Could not get typeinfo of hreftype %lx for VT_USERDEFINED.\n",tdesc->u.hreftype);
return hres;
}
hres = ITypeInfo_GetTypeAttr(tinfo2,&tattr);
if (hres) {
FIXME("Could not get typeattr in VT_USERDEFINED.\n");
return hres;
}
switch (tattr->typekind) {
case TKIND_INTERFACE:
hres = _unmarshal_interface(buf,&(tattr->guid),(LPUNKNOWN*)arg);
break;
case TKIND_RECORD:
*arg = (DWORD)HeapAlloc(GetProcessHeap(),0,tattr->cbSizeInstance);
hres = xbuf_get(buf,(LPBYTE)*arg,tattr->cbSizeInstance);
if (buf->thisisiid)
memcpy(&(buf->iid),(LPBYTE)*arg,sizeof(buf->iid));
break;
default:
FIXME("Don't know how to marshal type kind %d\n",tattr->typekind);
hres = E_FAIL;
break;
}
ITypeInfo_Release(tinfo2);
return hres;
} else {
*arg = (DWORD)HeapAlloc(GetProcessHeap(),0,sizeof(LPVOID));
return S_OK;
}
}
default:
ERR("No handler for VT type %d, just allocating 4 bytes.\n",tdesc->vt);
*arg=(DWORD)HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(DWORD));
return S_OK;
}
}
}
static HRESULT
stubunalloc_param(
ITypeInfo *tinfo, ELEMDESC *elem, TYPEDESC *tdesc, DWORD *arg, marshal_state *buf
) {
HRESULT hres = S_OK;
if (!tdesc) tdesc = &(elem->tdesc);
switch (tdesc->vt) {
case VT_BOOL:
case VT_I4:
hres = S_OK;
if (elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT)
hres = xbuf_add(buf,(LPBYTE)arg,sizeof(DWORD));
return hres;
case VT_VARIANT: {
TYPEDESC tdesc2;
VARIANT *vt = (VARIANT*)arg;
DWORD vttype = V_VT(vt);
tdesc2.vt = vttype;
if (elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT) {
hres = xbuf_add(buf,(LPBYTE)&vttype,sizeof(vttype));
if (hres) return hres;
}
/* need to recurse since we need to free the stuff */
hres = stubunalloc_param(tinfo,elem,&tdesc2,&(V_I4(vt)),buf);
return hres;
}
case VT_BSTR: {
if (elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT) {
DWORD *bstr = ((DWORD*)(*arg))-1;
hres = xbuf_add(buf,(LPBYTE)bstr,bstr[0]+4);
if (hres)
return hres;
}
SysFreeString((BSTR)*arg);
return S_OK;
}
case VT_PTR:
/*FIXME("VT_PTR *arg is %p\n",(LPVOID)*arg);*/
if ((tdesc->u.lptdesc->vt != VT_USERDEFINED) &&
(tdesc->u.lptdesc->vt != VT_VOID)
) {
hres = stubunalloc_param(tinfo,elem,tdesc->u.lptdesc,arg,buf);
} else {
hres = stubunalloc_param(tinfo,elem,tdesc->u.lptdesc,(DWORD*)*arg,buf);
HeapFree(GetProcessHeap(),0,(LPVOID)*arg);
}
return hres;
case VT_UNKNOWN:
if (elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT) {
FIXME("Marshaling back VT_UNKNOWN %lx\n",*arg);
hres = xbuf_add(buf,(LPBYTE)*arg,sizeof(DWORD));
}
HeapFree(GetProcessHeap(),0,(LPVOID)*arg);
return hres;
case VT_VOID:
hres = S_OK;
if (elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT)
hres = _marshal_interface(buf,&(buf->iid),(LPUNKNOWN)*arg);
return hres;
case VT_USERDEFINED: {
ITypeInfo *tinfo2;
TYPEATTR *tattr;
if (elem->u.paramdesc.wParamFlags & PARAMFLAG_FOUT) {
/*FIXME("VT_USERDEFINED arg is %p, *arg is %p\n",arg,*arg);*/
hres = ITypeInfo_GetRefTypeInfo(tinfo,tdesc->u.hreftype,&tinfo2);
if (hres) {
FIXME("Could not get typeinfo of hreftype %lx for VT_USERDEFINED.\n",tdesc->u.hreftype);
return hres;
}
ITypeInfo_GetTypeAttr(tinfo2,&tattr);
switch (tattr->typekind) {
case TKIND_INTERFACE:
hres = _marshal_interface(buf,&(tattr->guid),(LPUNKNOWN)*arg);
break;
case TKIND_RECORD:
hres = xbuf_add(buf,(LPBYTE)arg,tattr->cbSizeInstance);
break;
default:
FIXME("Don't know how to marshal type kind %d\n",tattr->typekind);
hres = E_FAIL;
break;
}
ITypeInfo_Release(tinfo2);
}
return hres;
}
default:
ERR("Unhandled marshal type %d.\n",tdesc->vt);
HeapFree(GetProcessHeap(),0,(LPVOID)*arg);
return S_OK;
}
}
static HRESULT WINAPI
TMStubImpl_Invoke(
LPRPCSTUBBUFFER iface, RPCOLEMESSAGE* xmsg,IRpcChannelBuffer*rpcchanbuf
) {
int i;
FUNCDESC *fdesc;
ICOM_THIS(TMStubImpl,iface);
HRESULT hres;
DWORD *args, res, *xargs, nrofargs;
marshal_state buf;
int nrofnames;
BSTR names[10];
memset(&buf,0,sizeof(buf));
buf.size = xmsg->cbBuffer;
buf.base = xmsg->Buffer;
buf.curoff = 0;
buf.iid = IID_IUnknown;
TRACE("...\n");
if (xmsg->iMethod == 0) { /* QI */
IID xiid;
/* in: IID, out: <iface> */
xbuf_get(&buf,(LPBYTE)&xiid,sizeof(xiid));
buf.curoff = 0;
hres = _marshal_interface(&buf,&xiid,This->pUnk);
xmsg->Buffer = buf.base; /* Might have been reallocated */
xmsg->cbBuffer = buf.size;
return hres;
}
hres = _get_funcdesc(This->tinfo,xmsg->iMethod,&fdesc,NULL,NULL);
if (hres) {
FIXME("GetFuncDesc on method %ld failed with %lx\n",xmsg->iMethod,hres);
return hres;
}
/* Need them for hack below */
memset(names,0,sizeof(names));
ITypeInfo_GetNames(This->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) return E_OUTOFMEMORY;
/* Allocate all stuff used by call. */
xargs = args+1;
for (i=0;i<fdesc->cParams;i++) {
ELEMDESC *elem = fdesc->lprgelemdescParam+i;
if (((i+1)<nrofnames) && !lstrcmpW(names[i+1],riidW))
buf.thisisiid = TRUE;
else
buf.thisisiid = FALSE;
hres = stuballoc_param(This->tinfo,elem,&(elem->tdesc),xargs,&buf);
xargs += _argsize(elem->tdesc.vt);
if (hres) {
FIXME("Failed to stuballoc param %s, hres %lx\n",debugstr_w(names[i+1]),hres);
break;
}
}
hres = IUnknown_QueryInterface(This->pUnk,&(This->iid),(LPVOID*)&(args[0]));
if (hres) {
ERR("Does not support iface %s\n",debugstr_guid(&(This->iid)));
return hres;
}
res = _invoke(
(*((LPVOID**)args[0]))[fdesc->oVft/4],
fdesc->callconv,
(xargs-args),
args
);
IUnknown_Release((LPUNKNOWN)args[0]);
buf.curoff = 0;
xargs = args+1;
for (i=0;i<fdesc->cParams;i++) {
ELEMDESC *elem = fdesc->lprgelemdescParam+i;
hres = stubunalloc_param(This->tinfo,elem,NULL,xargs,&buf);
xargs += _argsize(elem->tdesc.vt);
if (hres) {
FIXME("Failed to stuballoc param, hres %lx\n",hres);
break;
}
}
/* might need to use IRpcChannelBuffer_GetBuffer ? */
xmsg->cbBuffer = buf.curoff;
xmsg->Buffer = buf.base;
HeapFree(GetProcessHeap(),0,args);
return res;
}
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) {
ICOM_THIS(TMStubImpl,iface);
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;
}
ICOM_VTABLE(IRpcStubBuffer) tmstubvtbl = {
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
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;
TRACE("(%s,%p,%p)\n",debugstr_guid(riid),pUnkServer,ppStub);
hres = _get_typeinfo_for_iid(riid,&tinfo);
if (hres) {
FIXME("No typeinfo for %s?\n",debugstr_guid(riid));
return hres;
}
stub = HeapAlloc(GetProcessHeap(),HEAP_ZERO_MEMORY,sizeof(TMStubImpl));
if (!stub)
return E_OUTOFMEMORY;
stub->lpvtbl = &tmstubvtbl;
stub->ref = 1;
stub->tinfo = tinfo;
memcpy(&(stub->iid),riid,sizeof(*riid));
hres = IRpcStubBuffer_Connect((LPRPCSTUBBUFFER)stub,pUnkServer);
*ppStub = (LPRPCSTUBBUFFER)stub;
if (hres)
FIXME("Connect to pUnkServer failed?\n");
return hres;
}
static ICOM_VTABLE(IPSFactoryBuffer) psfacbufvtbl = {
ICOM_MSVTABLE_COMPAT_DummyRTTIVALUE
PSFacBuf_QueryInterface,
PSFacBuf_AddRef,
PSFacBuf_Release,
PSFacBuf_CreateProxy,
PSFacBuf_CreateStub
};
/* This is the whole PSFactoryBuffer object, just the vtableptr */
static ICOM_VTABLE(IPSFactoryBuffer) *lppsfac = &psfacbufvtbl;
/***********************************************************************
* DllGetClassObject [OLE32.63]
*/
HRESULT WINAPI
TypeLibFac_DllGetClassObject(REFCLSID rclsid, REFIID iid,LPVOID *ppv)
{
if (IsEqualIID(iid,&IID_IPSFactoryBuffer)) {
*ppv = &lppsfac;
return S_OK;
}
return E_NOINTERFACE;
}
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