wine/dlls/dxdiagn/container.c
Raphael Junqueira de8f8334f0 - bug fixes on AddProp, AddContainer (stupid buffer overflows)
- more complete container hierarchy
- DXDiag_AddFileDescContainer service to fill dll info
- almost complete DXDiag_InitDXDiagDirectXFilesContainer (for now)
2005-11-07 16:39:41 +00:00

322 lines
9.4 KiB
C

/*
* IDxDiagContainer Implementation
*
* Copyright 2004 Raphael Junqueira
*
* 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 "dxdiag_private.h"
#include "wine/debug.h"
#include "wine/unicode.h"
WINE_DEFAULT_DEBUG_CHANNEL(dxdiag);
/* IDxDiagContainer IUnknown parts follow: */
HRESULT WINAPI IDxDiagContainerImpl_QueryInterface(PDXDIAGCONTAINER iface, REFIID riid, LPVOID *ppobj)
{
IDxDiagContainerImpl *This = (IDxDiagContainerImpl *)iface;
if (IsEqualGUID(riid, &IID_IUnknown)
|| IsEqualGUID(riid, &IID_IDxDiagContainer)) {
IDxDiagContainerImpl_AddRef(iface);
*ppobj = This;
return S_OK;
}
WARN("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppobj);
return E_NOINTERFACE;
}
ULONG WINAPI IDxDiagContainerImpl_AddRef(PDXDIAGCONTAINER iface) {
IDxDiagContainerImpl *This = (IDxDiagContainerImpl *)iface;
ULONG refCount = InterlockedIncrement(&This->ref);
TRACE("(%p)->(ref before=%lu)\n", This, refCount - 1);
DXDIAGN_LockModule();
return refCount;
}
ULONG WINAPI IDxDiagContainerImpl_Release(PDXDIAGCONTAINER iface) {
IDxDiagContainerImpl *This = (IDxDiagContainerImpl *)iface;
ULONG refCount = InterlockedDecrement(&This->ref);
TRACE("(%p)->(ref before=%lu)\n", This, refCount + 1);
if (!refCount) {
HeapFree(GetProcessHeap(), 0, This);
}
DXDIAGN_UnlockModule();
return refCount;
}
/* IDxDiagContainer Interface follow: */
HRESULT WINAPI IDxDiagContainerImpl_GetNumberOfChildContainers(PDXDIAGCONTAINER iface, DWORD* pdwCount) {
IDxDiagContainerImpl *This = (IDxDiagContainerImpl *)iface;
TRACE("(%p)\n", iface);
if (NULL == pdwCount) {
return E_INVALIDARG;
}
*pdwCount = This->nSubContainers;
return S_OK;
}
HRESULT WINAPI IDxDiagContainerImpl_EnumChildContainerNames(PDXDIAGCONTAINER iface, DWORD dwIndex, LPWSTR pwszContainer, DWORD cchContainer) {
IDxDiagContainerImpl *This = (IDxDiagContainerImpl *)iface;
IDxDiagContainerImpl_SubContainer* p = NULL;
DWORD i = 0;
TRACE("(%p, %lu, %s, %lu)\n", iface, dwIndex, debugstr_w(pwszContainer), cchContainer);
if (NULL == pwszContainer) {
return E_INVALIDARG;
}
if (256 > cchContainer) {
return DXDIAG_E_INSUFFICIENT_BUFFER;
}
p = This->subContainers;
while (NULL != p) {
if (dwIndex == i) {
if (cchContainer <= strlenW(p->contName)) {
return DXDIAG_E_INSUFFICIENT_BUFFER;
}
lstrcpynW(pwszContainer, p->contName, cchContainer);
return S_OK;
}
p = p->next;
++i;
}
return E_INVALIDARG;
}
HRESULT WINAPI IDxDiagContainerImpl_GetChildContainerInternal(PDXDIAGCONTAINER iface, LPCWSTR pwszContainer, IDxDiagContainer** ppInstance) {
IDxDiagContainerImpl *This = (IDxDiagContainerImpl *)iface;
IDxDiagContainerImpl_SubContainer* p = NULL;
p = This->subContainers;
while (NULL != p) {
if (0 == lstrcmpW(p->contName, pwszContainer)) {
*ppInstance = (PDXDIAGCONTAINER)p->pCont;
return S_OK;
}
p = p->next;
}
return E_INVALIDARG;
}
HRESULT WINAPI IDxDiagContainerImpl_GetChildContainer(PDXDIAGCONTAINER iface, LPCWSTR pwszContainer, IDxDiagContainer** ppInstance) {
IDxDiagContainerImpl *This = (IDxDiagContainerImpl *)iface;
IDxDiagContainer* pContainer = NULL;
LPWSTR tmp, orig_tmp;
INT tmp_len;
WCHAR* cur;
HRESULT hr = E_INVALIDARG;
FIXME("(%p, %s, %p)\n", iface, debugstr_w(pwszContainer), ppInstance);
if (NULL == ppInstance || NULL == pwszContainer) {
return E_INVALIDARG;
}
pContainer = (PDXDIAGCONTAINER) This;
tmp_len = strlenW(pwszContainer) + 1;
orig_tmp = tmp = HeapAlloc(GetProcessHeap(), 0, tmp_len * sizeof(WCHAR));
if (NULL == tmp) return E_FAIL;
lstrcpynW(tmp, pwszContainer, tmp_len);
cur = strchrW(tmp, '.');
while (NULL != cur) {
*cur = '\0'; /* cut tmp string to '.' */
hr = IDxDiagContainerImpl_GetChildContainerInternal(pContainer, tmp, &pContainer);
if (!SUCCEEDED(hr) || NULL == pContainer)
goto on_error;
*cur++; /* go after '.' (just replaced by \0) */
tmp = cur;
cur = strchrW(tmp, '.');
}
hr = IDxDiagContainerImpl_GetChildContainerInternal(pContainer, tmp, ppInstance);
if (SUCCEEDED(hr)) {
IDxDiagContainerImpl_AddRef((PDXDIAGCONTAINER)*ppInstance);
}
on_error:
HeapFree(GetProcessHeap(), 0, orig_tmp);
return hr;
}
HRESULT WINAPI IDxDiagContainerImpl_GetNumberOfProps(PDXDIAGCONTAINER iface, DWORD* pdwCount) {
IDxDiagContainerImpl *This = (IDxDiagContainerImpl *)iface;
TRACE("(%p)\n", iface);
if (NULL == pdwCount) {
return E_INVALIDARG;
}
*pdwCount = This->nProperties;
return S_OK;
}
HRESULT WINAPI IDxDiagContainerImpl_EnumPropNames(PDXDIAGCONTAINER iface, DWORD dwIndex, LPWSTR pwszPropName, DWORD cchPropName) {
IDxDiagContainerImpl *This = (IDxDiagContainerImpl *)iface;
IDxDiagContainerImpl_Property* p = NULL;
DWORD i = 0;
FIXME("(%p, %lu, %s, %lu)\n", iface, dwIndex, debugstr_w(pwszPropName), cchPropName);
if (NULL == pwszPropName) {
return E_INVALIDARG;
}
if (256 > cchPropName) {
return DXDIAG_E_INSUFFICIENT_BUFFER;
}
p = This->properties;
while (NULL != p) {
if (dwIndex == i) {
if (cchPropName <= lstrlenW(p->vName)) {
return DXDIAG_E_INSUFFICIENT_BUFFER;
}
lstrcpynW(pwszPropName, p->vName, cchPropName);
return S_OK;
}
p = p->next;
++i;
}
return E_INVALIDARG;
}
HRESULT WINAPI IDxDiagContainerImpl_GetProp(PDXDIAGCONTAINER iface, LPCWSTR pwszPropName, VARIANT* pvarProp) {
IDxDiagContainerImpl *This = (IDxDiagContainerImpl *)iface;
IDxDiagContainerImpl_Property* p = NULL;
FIXME("(%p, %s, %p)\n", iface, debugstr_w(pwszPropName), pvarProp);
if (NULL == pvarProp || NULL == pwszPropName) {
return E_INVALIDARG;
}
p = This->properties;
while (NULL != p) {
if (0 == lstrcmpW(p->vName, pwszPropName)) {
VariantCopy(pvarProp, &p->v);
return S_OK;
}
p = p->next;
}
return S_OK;
}
HRESULT WINAPI IDxDiagContainerImpl_AddProp(PDXDIAGCONTAINER iface, LPCWSTR pwszPropName, VARIANT* pVarProp) {
IDxDiagContainerImpl *This = (IDxDiagContainerImpl *)iface;
IDxDiagContainerImpl_Property* p = NULL;
IDxDiagContainerImpl_Property* pNew = NULL;
FIXME("(%p, %s, %p)\n", iface, debugstr_w(pwszPropName), pVarProp);
if (NULL == pVarProp || NULL == pwszPropName) {
return E_INVALIDARG;
}
pNew = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDxDiagContainerImpl_Property));
if (NULL == pNew) {
return E_OUTOFMEMORY;
}
VariantInit(&pNew->v);
VariantCopy(&pNew->v, pVarProp);
pNew->vName = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (lstrlenW(pwszPropName) + 1) * sizeof(WCHAR));
lstrcpyW(pNew->vName, pwszPropName);
pNew->next = NULL;
p = This->properties;
if (NULL == p) {
This->properties = pNew;
} else {
while (NULL != p->next) {
p = p->next;
}
p->next = pNew;
}
++This->nProperties;
return S_OK;
}
HRESULT WINAPI IDxDiagContainerImpl_AddChildContainer(PDXDIAGCONTAINER iface, LPCWSTR pszContName, PDXDIAGCONTAINER pSubCont) {
IDxDiagContainerImpl *This = (IDxDiagContainerImpl *)iface;
IDxDiagContainerImpl_SubContainer* p = NULL;
IDxDiagContainerImpl_SubContainer* pNew = NULL;
FIXME("(%p, %s, %p)\n", iface, debugstr_w(pszContName), pSubCont);
if (NULL == pSubCont || NULL == pszContName) {
return E_INVALIDARG;
}
pNew = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDxDiagContainerImpl_SubContainer));
if (NULL == pNew) {
return E_OUTOFMEMORY;
}
pNew->pCont = pSubCont;
pNew->contName = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, (lstrlenW(pszContName) + 1) * sizeof(WCHAR));
lstrcpyW(pNew->contName, pszContName);
pNew->next = NULL;
p = This->subContainers;
if (NULL == p) {
This->subContainers = pNew;
} else {
while (NULL != p->next) {
p = p->next;
}
p->next = pNew;
}
++This->nSubContainers;
return S_OK;
}
static const IDxDiagContainerVtbl DxDiagContainer_Vtbl =
{
IDxDiagContainerImpl_QueryInterface,
IDxDiagContainerImpl_AddRef,
IDxDiagContainerImpl_Release,
IDxDiagContainerImpl_GetNumberOfChildContainers,
IDxDiagContainerImpl_EnumChildContainerNames,
IDxDiagContainerImpl_GetChildContainer,
IDxDiagContainerImpl_GetNumberOfProps,
IDxDiagContainerImpl_EnumPropNames,
IDxDiagContainerImpl_GetProp
};
HRESULT DXDiag_CreateDXDiagContainer(REFIID riid, LPVOID *ppobj) {
IDxDiagContainerImpl* container;
TRACE("(%p, %p)\n", debugstr_guid(riid), ppobj);
container = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDxDiagContainerImpl));
if (NULL == container) {
*ppobj = NULL;
return E_OUTOFMEMORY;
}
container->lpVtbl = &DxDiagContainer_Vtbl;
container->ref = 0; /* will be inited with QueryInterface */
return IDxDiagContainerImpl_QueryInterface((PDXDIAGCONTAINER)container, riid, ppobj);
}