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ole32: Use the real proxy IID in ClientRpcChannelBuffer_GetBuffer().

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Delegated proxies pass the IID of the parent interface to
NdrProxyGetBuffer(). However, this interface was never registered with ole32
on the server side, so calls to delegated methods will return
RPC_S_UNKNOWN_IF. Therefore we have ole32 ignore the passed-in parameter and
use the real proxy ID.

Wine-Bug: https://bugs.winehq.org/show_bug.cgi?id=45673
Signed-off-by: Zebediah Figura <z.figura12@gmail.com>
Signed-off-by: Huw Davies <huw@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Zebediah Figura 2018-09-13 11:01:13 -05:00 committed by Alexandre Julliard
parent b82382f5fe
commit 904d1688a3
4 changed files with 6 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
dlls/ole32/compobj_private.h
View File

@ -210,7 +210,7 @@ struct dispatch_params;
void RPC_StartRemoting(struct apartment *apt) DECLSPEC_HIDDEN;
HRESULT RPC_CreateClientChannel(const OXID *oxid, const IPID *ipid,
const OXID_INFO *oxid_info,
const OXID_INFO *oxid_info, const IID *iid,
DWORD dest_context, void *dest_context_data,
IRpcChannelBuffer **chan, APARTMENT *apt) DECLSPEC_HIDDEN;
HRESULT RPC_CreateServerChannel(DWORD dest_context, void *dest_context_data, IRpcChannelBuffer **chan) DECLSPEC_HIDDEN;

2
dlls/ole32/marshal.c
View File

@ -1290,7 +1290,7 @@ static HRESULT unmarshal_object(const STDOBJREF *stdobjref, APARTMENT *apt,
{
IRpcChannelBuffer *chanbuf;
hr = RPC_CreateClientChannel(&stdobjref->oxid, &stdobjref->ipid,
&proxy_manager->oxid_info,
&proxy_manager->oxid_info, riid,
proxy_manager->dest_context,
proxy_manager->dest_context_data,
&chanbuf, apt);

6
dlls/ole32/rpc.c
View File

@ -109,6 +109,7 @@ typedef struct
OXID oxid; /* apartment in which the channel is valid */
DWORD server_pid; /* id of server process */
HANDLE event; /* cached event handle */
IID iid; /* IID of the proxy this belongs to */
} ClientRpcChannelBuffer;
struct dispatch_params
@ -650,7 +651,7 @@ static HRESULT WINAPI ClientRpcChannelBuffer_GetBuffer(LPRPCCHANNELBUFFER iface,
cif->Length = sizeof(RPC_CLIENT_INTERFACE);
/* RPC interface ID = COM interface ID */
cif->InterfaceId.SyntaxGUID = *riid;
cif->InterfaceId.SyntaxGUID = This->iid;
/* COM objects always have a version of 0.0 */
cif->InterfaceId.SyntaxVersion.MajorVersion = 0;
cif->InterfaceId.SyntaxVersion.MinorVersion = 0;
@ -1096,7 +1097,7 @@ static const IRpcChannelBufferVtbl ServerRpcChannelBufferVtbl =
/* returns a channel buffer for proxies */
HRESULT RPC_CreateClientChannel(const OXID *oxid, const IPID *ipid,
const OXID_INFO *oxid_info,
const OXID_INFO *oxid_info, const IID *iid,
DWORD dest_context, void *dest_context_data,
IRpcChannelBuffer **chan, APARTMENT *apt)
{
@ -1155,6 +1156,7 @@ HRESULT RPC_CreateClientChannel(const OXID *oxid, const IPID *ipid,
apartment_getoxid(apt, &This->oxid);
This->server_pid = oxid_info->dwPid;
This->event = NULL;
This->iid = *iid;
*chan = &This->super.IRpcChannelBuffer_iface;

2
dlls/rpcrt4/tests/cstub.c
View File

@ -1403,10 +1403,8 @@ static void test_delegated_methods(void)
ok(ret == 9, "got %d\n", ret);
hr = ITest1_GetClassID(test_obj, &clsid);
todo_wine {
ok(hr == S_OK, "got %#x\n", hr);
ok(IsEqualGUID(&clsid, &CLSID_test1), "got %s\n", wine_dbgstr_guid(&clsid));
}
ITest1_Release(test_obj);