/* * Call a script. */ DWORD call_script(MSIHANDLE hPackage, INT type, LPCWSTR script, LPCWSTR function, LPCWSTR action) { HRESULT hr; IActiveScript *pActiveScript = NULL; IActiveScriptParse *pActiveScriptParse = NULL; MsiActiveScriptSite *pActiveScriptSite = NULL; IDispatch *pDispatch = NULL; DISPPARAMS dispparamsNoArgs = {NULL, NULL, 0, 0}; DISPID dispid; CLSID clsid; VARIANT var; /* Return success by default (if Windows Script not installed) - not native behavior. This * should be here until we implement wine scripting. */ DWORD ret = ERROR_SUCCESS; CoInitialize(NULL); /* Create MsiActiveScriptSite object */ hr = create_ActiveScriptSite(NULL, (void **)&pActiveScriptSite); if (hr != S_OK) goto done; /* Create an installer object */ hr = create_msiserver(NULL, (LPVOID *)&pActiveScriptSite->pInstaller); if (hr != S_OK) goto done; /* Create a session object */ hr = create_session(hPackage, pActiveScriptSite->pInstaller, &pActiveScriptSite->pSession); if (hr != S_OK) goto done; /* Create the scripting engine */ if ((type & 7) == msidbCustomActionTypeJScript) hr = CLSIDFromProgID(szJScript, &clsid); else if ((type & 7) == msidbCustomActionTypeVBScript) hr = CLSIDFromProgID(szVBScript, &clsid); else { ERR("Unknown script type %d\n", type); goto done; } if (FAILED(hr)) { ERR("Could not find CLSID for Windows Script\n"); goto done; } hr = CoCreateInstance(&clsid, NULL, CLSCTX_INPROC_SERVER, &IID_IActiveScript, (void **)&pActiveScript); if (FAILED(hr)) { ERR("Could not instantiate class for Windows Script\n"); goto done; } /* If we got this far, Windows Script is installed, so don't return success by default anymore */ ret = ERROR_INSTALL_FAILURE; /* Get the IActiveScriptParse engine interface */ hr = IActiveScript_QueryInterface(pActiveScript, &IID_IActiveScriptParse, (void **)&pActiveScriptParse); if (FAILED(hr)) goto done; /* Give our host to the engine */ hr = IActiveScript_SetScriptSite(pActiveScript, (IActiveScriptSite *)pActiveScriptSite); if (FAILED(hr)) goto done; /* Initialize the script engine */ hr = IActiveScriptParse64_InitNew(pActiveScriptParse); if (FAILED(hr)) goto done; /* Add the session object */ hr = IActiveScript_AddNamedItem(pActiveScript, szSession, SCRIPTITEM_ISVISIBLE); /* Pass the script to the engine */ hr = IActiveScriptParse64_ParseScriptText(pActiveScriptParse, script, NULL, NULL, NULL, 0, 0, 0L, NULL, NULL); if (FAILED(hr)) goto done; /* Start processing the script */ hr = IActiveScript_SetScriptState(pActiveScript, SCRIPTSTATE_CONNECTED); if (FAILED(hr)) goto done; /* Call a function if necessary through the IDispatch interface */ if (function != NULL && strlenW(function) > 0) { TRACE("Calling function %s\n", debugstr_w(function)); hr = IActiveScript_GetScriptDispatch(pActiveScript, NULL, &pDispatch); if (FAILED(hr)) goto done; hr = IDispatch_GetIDsOfNames(pDispatch, &IID_NULL, (WCHAR **)&function, 1,LOCALE_USER_DEFAULT, &dispid); if (FAILED(hr)) goto done; hr = IDispatch_Invoke(pDispatch, dispid, &IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_METHOD, &dispparamsNoArgs, &var, NULL, NULL); if (FAILED(hr)) goto done; /* Check return value, if it's not IDOK we failed */ hr = VariantChangeType(&var, &var, 0, VT_I4); if (FAILED(hr)) goto done; if (V_I4(&var) == IDOK) ret = ERROR_SUCCESS; else ret = ERROR_INSTALL_FAILURE; VariantClear(&var); } else { /* If no function to be called, MSI behavior is to succeed */ ret = ERROR_SUCCESS; } done: /* Free everything that needs to be freed */ if (pDispatch) IDispatch_Release(pDispatch); if (pActiveScript) IActiveScriptSite_Release(pActiveScript); if (pActiveScriptSite && pActiveScriptSite->pSession) IUnknown_Release((IUnknown *)pActiveScriptSite->pSession); if (pActiveScriptSite && pActiveScriptSite->pInstaller) IUnknown_Release((IUnknown *)pActiveScriptSite->pInstaller); if (pActiveScriptSite) IUnknown_Release((IUnknown *)pActiveScriptSite); CoUninitialize(); /* must call even if CoInitialize failed */ return ret; }
/* * Call a script. */ DWORD call_script(MSIHANDLE hPackage, INT type, LPCWSTR script, LPCWSTR function, LPCWSTR action) { HRESULT hr; IActiveScript *pActiveScript = NULL; IActiveScriptParse *pActiveScriptParse = NULL; MsiActiveScriptSite *scriptsite; IDispatch *pDispatch = NULL; DISPPARAMS dispparamsNoArgs = {NULL, NULL, 0, 0}; DISPID dispid; CLSID clsid; VARIANT var; DWORD ret = ERROR_INSTALL_FAILURE; CoInitialize(NULL); /* Create MsiActiveScriptSite object */ hr = create_activescriptsite(&scriptsite); if (hr != S_OK) goto done; /* Create an installer object */ hr = create_msiserver(NULL, (void**)&scriptsite->installer); if (hr != S_OK) goto done; /* Create a session object */ hr = create_session(hPackage, scriptsite->installer, &scriptsite->session); if (hr != S_OK) goto done; /* Create the scripting engine */ type &= msidbCustomActionTypeJScript|msidbCustomActionTypeVBScript; if (type == msidbCustomActionTypeJScript) hr = CLSIDFromProgID(szJScript, &clsid); else if (type == msidbCustomActionTypeVBScript) hr = CLSIDFromProgID(szVBScript, &clsid); else { ERR("Unknown script type %d\n", type); goto done; } if (FAILED(hr)) { ERR("Could not find CLSID for Windows Script\n"); goto done; } hr = CoCreateInstance(&clsid, NULL, CLSCTX_INPROC_SERVER, &IID_IActiveScript, (void **)&pActiveScript); if (FAILED(hr)) { ERR("Could not instantiate class for Windows Script\n"); goto done; } hr = IActiveScript_QueryInterface(pActiveScript, &IID_IActiveScriptParse, (void **)&pActiveScriptParse); if (FAILED(hr)) goto done; hr = IActiveScript_SetScriptSite(pActiveScript, &scriptsite->IActiveScriptSite_iface); if (FAILED(hr)) goto done; hr = IActiveScriptParse_InitNew(pActiveScriptParse); if (FAILED(hr)) goto done; hr = IActiveScript_AddNamedItem(pActiveScript, szSession, SCRIPTITEM_GLOBALMEMBERS|SCRIPTITEM_ISVISIBLE); if (FAILED(hr)) goto done; hr = IActiveScriptParse_ParseScriptText(pActiveScriptParse, script, NULL, NULL, NULL, 0, 0, 0L, NULL, NULL); if (FAILED(hr)) goto done; hr = IActiveScript_SetScriptState(pActiveScript, SCRIPTSTATE_CONNECTED); if (FAILED(hr)) goto done; /* Call a function if necessary through the IDispatch interface */ if (function && function[0]) { TRACE("Calling function %s\n", debugstr_w(function)); hr = IActiveScript_GetScriptDispatch(pActiveScript, NULL, &pDispatch); if (FAILED(hr)) goto done; hr = IDispatch_GetIDsOfNames(pDispatch, &IID_NULL, (WCHAR **)&function, 1,LOCALE_USER_DEFAULT, &dispid); if (FAILED(hr)) goto done; hr = IDispatch_Invoke(pDispatch, dispid, &IID_NULL, LOCALE_USER_DEFAULT, DISPATCH_METHOD, &dispparamsNoArgs, &var, NULL, NULL); if (FAILED(hr)) goto done; hr = VariantChangeType(&var, &var, 0, VT_I4); if (FAILED(hr)) goto done; ret = map_return_value(V_I4(&var)); VariantClear(&var); } else { /* If no function to be called, MSI behavior is to succeed */ ret = ERROR_SUCCESS; } done: if (pDispatch) IDispatch_Release(pDispatch); if (pActiveScript) IActiveScript_Release(pActiveScript); if (pActiveScriptParse) IActiveScriptParse_Release(pActiveScriptParse); if (scriptsite) { if (scriptsite->session) IDispatch_Release(scriptsite->session); if (scriptsite->installer) IDispatch_Release(scriptsite->installer); IActiveScriptSite_Release(&scriptsite->IActiveScriptSite_iface); } CoUninitialize(); /* must call even if CoInitialize failed */ return ret; }