373 lines
12 KiB
C
373 lines
12 KiB
C
/*
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* Implementation of scripting for Microsoft Installer (msi.dll)
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*
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* Copyright 2007 Misha Koshelev
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#define COBJMACROS
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#include <stdarg.h>
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#include "windef.h"
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#include "winbase.h"
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#include "winerror.h"
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#include "winuser.h"
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#include "msidefs.h"
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#include "msipriv.h"
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#include "activscp.h"
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#include "oleauto.h"
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#include "wine/debug.h"
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#include "wine/unicode.h"
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#include "msiserver.h"
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WINE_DEFAULT_DEBUG_CHANNEL(msi);
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static const WCHAR szJScript[] = { 'J','S','c','r','i','p','t',0};
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static const WCHAR szVBScript[] = { 'V','B','S','c','r','i','p','t',0};
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static const WCHAR szSession[] = {'S','e','s','s','i','o','n',0};
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/*
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* MsiActiveScriptSite - Our IActiveScriptSite implementation.
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*/
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typedef struct {
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IActiveScriptSite lpVtbl;
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IDispatch *pInstaller;
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IDispatch *pSession;
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LONG ref;
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} MsiActiveScriptSite;
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static const struct IActiveScriptSiteVtbl ASS_Vtbl;
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static HRESULT create_ActiveScriptSite(IUnknown *pUnkOuter, LPVOID *ppObj)
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{
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MsiActiveScriptSite* object;
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TRACE("(%p,%p)\n", pUnkOuter, ppObj);
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if( pUnkOuter )
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return CLASS_E_NOAGGREGATION;
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object = msi_alloc_zero( sizeof(MsiActiveScriptSite) );
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object->lpVtbl.lpVtbl = &ASS_Vtbl;
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object->ref = 1;
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object->pInstaller = NULL;
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object->pSession = NULL;
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*ppObj = object;
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return S_OK;
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}
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/*
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* Call a script.
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*/
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DWORD call_script(MSIHANDLE hPackage, INT type, LPCWSTR script, LPCWSTR function, LPCWSTR action)
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{
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HRESULT hr;
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IActiveScript *pActiveScript = NULL;
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IActiveScriptParse *pActiveScriptParse = NULL;
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MsiActiveScriptSite *pActiveScriptSite = NULL;
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IDispatch *pDispatch = NULL;
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DISPPARAMS dispparamsNoArgs = {NULL, NULL, 0, 0};
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DISPID dispid;
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CLSID clsid;
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VARIANT var;
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DWORD ret = ERROR_INSTALL_FAILURE;
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CoInitialize(NULL);
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/* Create MsiActiveScriptSite object */
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hr = create_ActiveScriptSite(NULL, (void **)&pActiveScriptSite);
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if (hr != S_OK) goto done;
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/* Create an installer object */
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hr = create_msiserver(NULL, (LPVOID *)&pActiveScriptSite->pInstaller);
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if (hr != S_OK) goto done;
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/* Create a session object */
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hr = create_session(hPackage, pActiveScriptSite->pInstaller, &pActiveScriptSite->pSession);
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if (hr != S_OK) goto done;
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/* Create the scripting engine */
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if ((type & 7) == msidbCustomActionTypeJScript)
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hr = CLSIDFromProgID(szJScript, &clsid);
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else if ((type & 7) == msidbCustomActionTypeVBScript)
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hr = CLSIDFromProgID(szVBScript, &clsid);
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else {
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ERR("Unknown script type %d\n", type);
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goto done;
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}
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if (FAILED(hr)) {
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ERR("Could not find CLSID for Windows Script\n");
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goto done;
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}
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hr = CoCreateInstance(&clsid, NULL, CLSCTX_INPROC_SERVER, &IID_IActiveScript, (void **)&pActiveScript);
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if (FAILED(hr)) {
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ERR("Could not instantiate class for Windows Script\n");
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goto done;
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}
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/* Get the IActiveScriptParse engine interface */
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hr = IActiveScript_QueryInterface(pActiveScript, &IID_IActiveScriptParse, (void **)&pActiveScriptParse);
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if (FAILED(hr)) goto done;
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/* Give our host to the engine */
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hr = IActiveScript_SetScriptSite(pActiveScript, (IActiveScriptSite *)pActiveScriptSite);
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if (FAILED(hr)) goto done;
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/* Initialize the script engine */
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hr = IActiveScriptParse64_InitNew(pActiveScriptParse);
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if (FAILED(hr)) goto done;
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/* Add the session object */
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hr = IActiveScript_AddNamedItem(pActiveScript, szSession, SCRIPTITEM_GLOBALMEMBERS);
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if (FAILED(hr)) goto done;
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/* Pass the script to the engine */
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hr = IActiveScriptParse64_ParseScriptText(pActiveScriptParse, script, NULL, NULL, NULL, 0, 0, 0L, NULL, NULL);
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if (FAILED(hr)) goto done;
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/* Start processing the script */
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hr = IActiveScript_SetScriptState(pActiveScript, SCRIPTSTATE_CONNECTED);
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if (FAILED(hr)) goto done;
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/* Call a function if necessary through the IDispatch interface */
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if (function != NULL && strlenW(function) > 0) {
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TRACE("Calling function %s\n", debugstr_w(function));
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hr = IActiveScript_GetScriptDispatch(pActiveScript, NULL, &pDispatch);
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if (FAILED(hr)) goto done;
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hr = IDispatch_GetIDsOfNames(pDispatch, &IID_NULL, (WCHAR **)&function, 1,LOCALE_USER_DEFAULT, &dispid);
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if (FAILED(hr)) goto done;
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hr = IDispatch_Invoke(pDispatch, dispid, &IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_METHOD, &dispparamsNoArgs, &var, NULL, NULL);
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if (FAILED(hr)) goto done;
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/* Check return value, if it's not IDOK we failed */
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hr = VariantChangeType(&var, &var, 0, VT_I4);
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if (FAILED(hr)) goto done;
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if (V_I4(&var) == IDOK)
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ret = ERROR_SUCCESS;
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else ret = ERROR_INSTALL_FAILURE;
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VariantClear(&var);
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} else {
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/* If no function to be called, MSI behavior is to succeed */
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ret = ERROR_SUCCESS;
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}
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done:
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/* Free everything that needs to be freed */
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if (pDispatch) IDispatch_Release(pDispatch);
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if (pActiveScript) IActiveScriptSite_Release(pActiveScript);
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if (pActiveScriptSite &&
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pActiveScriptSite->pSession) IUnknown_Release((IUnknown *)pActiveScriptSite->pSession);
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if (pActiveScriptSite &&
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pActiveScriptSite->pInstaller) IUnknown_Release((IUnknown *)pActiveScriptSite->pInstaller);
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if (pActiveScriptSite) IUnknown_Release((IUnknown *)pActiveScriptSite);
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CoUninitialize(); /* must call even if CoInitialize failed */
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return ret;
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}
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/*
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* MsiActiveScriptSite
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*/
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/*** IUnknown methods ***/
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static HRESULT WINAPI MsiActiveScriptSite_QueryInterface(IActiveScriptSite* iface, REFIID riid, void** ppvObject)
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{
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MsiActiveScriptSite *This = (MsiActiveScriptSite *)iface;
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TRACE("(%p/%p)->(%s,%p)\n", iface, This, debugstr_guid(riid), ppvObject);
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if (IsEqualGUID(riid, &IID_IUnknown) ||
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IsEqualGUID(riid, &IID_IActiveScriptSite))
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{
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IClassFactory_AddRef(iface);
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*ppvObject = This;
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return S_OK;
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}
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TRACE("(%p)->(%s,%p),not found\n",This,debugstr_guid(riid),ppvObject);
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return E_NOINTERFACE;
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}
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static ULONG WINAPI MsiActiveScriptSite_AddRef(IActiveScriptSite* iface)
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{
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MsiActiveScriptSite *This = (MsiActiveScriptSite *)iface;
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TRACE("(%p/%p)\n", iface, This);
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return InterlockedIncrement(&This->ref);
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}
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static ULONG WINAPI MsiActiveScriptSite_Release(IActiveScriptSite* iface)
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{
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MsiActiveScriptSite *This = (MsiActiveScriptSite *)iface;
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ULONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p/%p)\n", iface, This);
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if (!ref)
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msi_free(This);
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return ref;
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}
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/*** IActiveScriptSite methods **/
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static HRESULT WINAPI MsiActiveScriptSite_GetLCID(IActiveScriptSite* iface, LCID* plcid)
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{
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MsiActiveScriptSite *This = (MsiActiveScriptSite *)iface;
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TRACE("(%p/%p)->(%p)\n", This, iface, plcid);
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return E_NOTIMPL; /* Script will use system-defined locale */
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}
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static HRESULT WINAPI MsiActiveScriptSite_GetItemInfo(IActiveScriptSite* iface, LPCOLESTR pstrName, DWORD dwReturnMask, IUnknown** ppiunkItem, ITypeInfo** ppti)
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{
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MsiActiveScriptSite *This = (MsiActiveScriptSite *)iface;
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TRACE("(%p/%p)->(%p,%d,%p,%p)\n", This, iface, pstrName, dwReturnMask, ppiunkItem, ppti);
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/* Determine the kind of pointer that is requested, and make sure placeholder is valid */
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if (dwReturnMask & SCRIPTINFO_ITYPEINFO) {
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if (!ppti) return E_INVALIDARG;
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*ppti = NULL;
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}
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if (dwReturnMask & SCRIPTINFO_IUNKNOWN) {
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if (!ppiunkItem) return E_INVALIDARG;
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*ppiunkItem = NULL;
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}
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/* Are we looking for the session object? */
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if (!strcmpW(szSession, pstrName)) {
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if (dwReturnMask & SCRIPTINFO_ITYPEINFO)
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return load_type_info(This->pSession, ppti, &DIID_Session, 0);
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else if (dwReturnMask & SCRIPTINFO_IUNKNOWN) {
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IDispatch_QueryInterface(This->pSession, &IID_IUnknown, (void **)ppiunkItem);
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return S_OK;
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}
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}
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return TYPE_E_ELEMENTNOTFOUND;
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}
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static HRESULT WINAPI MsiActiveScriptSite_GetDocVersionString(IActiveScriptSite* iface, BSTR* pbstrVersion)
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{
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MsiActiveScriptSite *This = (MsiActiveScriptSite *)iface;
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TRACE("(%p/%p)->(%p)\n", This, iface, pbstrVersion);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI MsiActiveScriptSite_OnScriptTerminate(IActiveScriptSite* iface, const VARIANT* pvarResult, const EXCEPINFO* pexcepinfo)
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{
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MsiActiveScriptSite *This = (MsiActiveScriptSite *)iface;
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TRACE("(%p/%p)->(%p,%p)\n", This, iface, pvarResult, pexcepinfo);
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return S_OK;
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}
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static HRESULT WINAPI MsiActiveScriptSite_OnStateChange(IActiveScriptSite* iface, SCRIPTSTATE ssScriptState)
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{
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switch (ssScriptState) {
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case SCRIPTSTATE_UNINITIALIZED:
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TRACE("State: Uninitialized.\n");
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break;
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case SCRIPTSTATE_INITIALIZED:
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TRACE("State: Initialized.\n");
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break;
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case SCRIPTSTATE_STARTED:
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TRACE("State: Started.\n");
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break;
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case SCRIPTSTATE_CONNECTED:
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TRACE("State: Connected.\n");
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break;
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case SCRIPTSTATE_DISCONNECTED:
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TRACE("State: Disconnected.\n");
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break;
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case SCRIPTSTATE_CLOSED:
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TRACE("State: Closed.\n");
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break;
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default:
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ERR("Unknown State: %d\n", ssScriptState);
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break;
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}
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return S_OK;
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}
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static HRESULT WINAPI MsiActiveScriptSite_OnScriptError(IActiveScriptSite* iface, IActiveScriptError* pscripterror)
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{
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MsiActiveScriptSite *This = (MsiActiveScriptSite *)iface;
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EXCEPINFO exception;
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HRESULT hr;
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TRACE("(%p/%p)->(%p)\n", This, iface, pscripterror);
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memset(&exception, 0, sizeof(EXCEPINFO));
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hr = IActiveScriptError_GetExceptionInfo(pscripterror, &exception);
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if (SUCCEEDED(hr))
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{
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ERR("script error: %s\n", debugstr_w(exception.bstrDescription));
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SysFreeString(exception.bstrSource);
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SysFreeString(exception.bstrDescription);
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SysFreeString(exception.bstrHelpFile);
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}
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return S_OK;
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}
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static HRESULT WINAPI MsiActiveScriptSite_OnEnterScript(IActiveScriptSite* iface)
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{
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MsiActiveScriptSite *This = (MsiActiveScriptSite *)iface;
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TRACE("(%p/%p)\n", This, iface);
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return S_OK;
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}
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static HRESULT WINAPI MsiActiveScriptSite_OnLeaveScript(IActiveScriptSite* iface)
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{
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MsiActiveScriptSite *This = (MsiActiveScriptSite *)iface;
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TRACE("(%p/%p)\n", This, iface);
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return S_OK;
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}
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static const struct IActiveScriptSiteVtbl ASS_Vtbl =
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{
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MsiActiveScriptSite_QueryInterface,
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MsiActiveScriptSite_AddRef,
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MsiActiveScriptSite_Release,
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MsiActiveScriptSite_GetLCID,
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MsiActiveScriptSite_GetItemInfo,
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MsiActiveScriptSite_GetDocVersionString,
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MsiActiveScriptSite_OnScriptTerminate,
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MsiActiveScriptSite_OnStateChange,
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MsiActiveScriptSite_OnScriptError,
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MsiActiveScriptSite_OnEnterScript,
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MsiActiveScriptSite_OnLeaveScript
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};
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