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rpcrt4: Don't crash in NdrDllGetClassObject when a NULL pclsid is passed in. 

Add tests for this.
This commit is contained in:
Rob Shearman 2008-09-12 12:59:43 +01:00 committed by Alexandre Julliard
parent be9909ad1d
commit f12e445ce5
2 changed files with 14 additions and 1 deletions
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2
dlls/rpcrt4/cpsf.c
View File

@ -174,7 +174,7 @@ HRESULT WINAPI NdrDllGetClassObject(REFCLSID rclsid, REFIID iid, LPVOID *ppv,
if(max_delegating_vtbl_size > 0)
create_delegating_vtbl(max_delegating_vtbl_size);
}
if (IsEqualGUID(rclsid, pclsid))
if (pclsid && IsEqualGUID(rclsid, pclsid))
return IPSFactoryBuffer_QueryInterface((LPPSFACTORYBUFFER)pPSFactoryBuffer, iid, ppv);
else {
const ProxyFileInfo *info;

13
dlls/rpcrt4/tests/cstub.c
View File

@ -432,6 +432,7 @@ static IPSFactoryBuffer *test_NdrDllGetClassObject(void)
{
IPSFactoryBuffer *ppsf = NULL;
const CLSID PSDispatch = {0x20420, 0, 0, {0xc0, 0, 0, 0, 0, 0, 0, 0x46}};
const CLSID CLSID_Unknown = {0x45678, 0x1234, 0x6666, {0xff, 0x67, 0x45, 0x98, 0x76, 0x12, 0x34, 0x56}};
HRESULT r;
HMODULE hmod = LoadLibraryA("rpcrt4.dll");
void *CStd_QueryInterface = GetProcAddress(hmod, "CStdStubBuffer_QueryInterface");
@ -445,6 +446,11 @@ static IPSFactoryBuffer *test_NdrDllGetClassObject(void)
void *CStd_DebugServerQueryInterface = GetProcAddress(hmod, "CStdStubBuffer_DebugServerQueryInterface");
void *CStd_DebugServerRelease = GetProcAddress(hmod, "CStdStubBuffer_DebugServerRelease");
r = NdrDllGetClassObject(&PSDispatch, &IID_IPSFactoryBuffer, (void**)&ppsf, proxy_file_list,
&CLSID_Unknown, &PSFactoryBuffer);
ok(r == CLASS_E_CLASSNOTAVAILABLE, "NdrDllGetClassObject with unknown clsid should have returned CLASS_E_CLASSNOTAVAILABLE instead of 0x%x\n", r);
ok(ppsf == NULL, "NdrDllGetClassObject should have set ppsf to NULL on failure\n");
r = NdrDllGetClassObject(&PSDispatch, &IID_IPSFactoryBuffer, (void**)&ppsf, proxy_file_list,
&PSDispatch, &PSFactoryBuffer);
@ -518,6 +524,13 @@ static IPSFactoryBuffer *test_NdrDllGetClassObject(void)
#undef VTBL_TEST_ZERO
ok(PSFactoryBuffer.RefCount == 1, "ref count %d\n", PSFactoryBuffer.RefCount);
IPSFactoryBuffer_Release(ppsf);
r = NdrDllGetClassObject(&IID_if3, &IID_IPSFactoryBuffer, (void**)&ppsf, proxy_file_list,
NULL, &PSFactoryBuffer);
ok(r == S_OK, "ret %08x\n", r);
ok(ppsf != NULL, "ppsf == NULL\n");
return ppsf;
}