Sample Code
Windows Driver Samples/ Windows Filtering Platform Sample/ C++/ svc/ Scenarios_AppContainers.cpp/
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All Rights Reserved.//// Module Name:// Scenarios_AppContainers.cpp//// Abstract:// This module contains functions which implements the APPLICATION_CONTAINER scenarios.//// Naming Convention://// <Scope><Object><Action><Modifier>// <Scope><Object><Action>// // i.e.//// <Scope>// {// - Function is likely visible to other modules// Prv - Function is private to this module.// }// <Object>// {// ScenarioAppContainer - Function pertains to all of the Application Container // Scenarios// RPC - Function is and RPC entry point.// }// <Action>// {// Add - Function adds objects// Remove - Function removes objects// Invoke - Function implements the scenario based on parameters // passed from the commandline interface (WFPSampler.exe).// }// <Modifier>// {// FwpmObjects - Function acts on WFP objects.// ScenarioAppContainer - Function pertains to all of the Application Container // Scenarios// }//// Public Functions:// RPCInvokeScenarioAppContainer().//// Author:// Dusty Harper (DHarper)//// Revision History://// [ Month ][Day] [Year] - [Revision]-[ Comments ]// May 01, 2010 - 1.0 - Creation//////////////////////////////////////////////////////////////////////////////////////////////////////#include "Framework_WFPSamplerService.h" /// .#if(NTDDI_VERSION >= NTDDI_WIN8)#include <netfw.h>static BOOLEAN scenarioConfigured = FALSE;static HANDLE registrationHandle = 0;/** @private_function="PrvScenarioAppContainerDeleteFwpmObjects" Purpose: <br> <br> Notes: Function is overloaded. <br> <br> MSDN_Ref: <br>*/_Success_(return == NO_ERROR)UINT32 PrvScenarioAppContainerDeleteFwpmObjects(_In_ const SID* pPackageID, _In_ const SID* pUserID){ UNREFERENCED_PARAMETER(pUserID); ASSERT(pPackageID); ASSERT(pUserID); UINT32 status = NO_ERROR;/// UINT32 sidSize = 0; HANDLE engineHandle = 0; const GUID pLayerKeys[] = {FWPM_LAYER_ALE_AUTH_RECV_ACCEPT_V4, FWPM_LAYER_ALE_AUTH_RECV_ACCEPT_V6, FWPM_LAYER_ALE_AUTH_CONNECT_V4, FWPM_LAYER_ALE_AUTH_CONNECT_V6}; const UINT8 NUM_CONDITIONS = 1; /// 2 const UINT8 NUM_OBJECTS = RTL_NUMBER_OF(pLayerKeys); FWPM_FILTER_CONDITION pFilterConditions[NUM_CONDITIONS] = {0}; pFilterConditions[0].fieldKey = FWPM_CONDITION_ALE_PACKAGE_ID; pFilterConditions[0].matchType = FWP_MATCH_EQUAL; pFilterConditions[0].conditionValue.type = FWP_SID; pFilterConditions[0].conditionValue.sid = (SID*)pPackageID;/// pFilterConditions[1].fieldKey = FWPM_CONDITION_ALE_USER_ID;/// pFilterConditions[1].matchType = FWP_MATCH_EQUAL;/// pFilterConditions[1].conditionValue.type = FWP_SECURITY_DESCRIPTOR_TYPE;/// pFilterConditions[1].conditionValue.sd = ; status = HlprFwpmEngineOpen(&engineHandle); HLPR_BAIL_ON_FAILURE(status); for(UINT32 objectIndex = 0; objectIndex < NUM_OBJECTS; objectIndex++) { UINT32 entryCount = 0; FWPM_FILTER** ppFilters = 0; HANDLE enumHandle = 0; FWPM_FILTER_ENUM_TEMPLATE filterEnumTemplate = {0}; filterEnumTemplate.providerKey = (GUID*)&WFPSAMPLER_PROVIDER; filterEnumTemplate.layerKey = pLayerKeys[objectIndex]; filterEnumTemplate.enumType = FWP_FILTER_ENUM_FULLY_CONTAINED; filterEnumTemplate.flags = FWP_FILTER_ENUM_FLAG_INCLUDE_BOOTTIME | FWP_FILTER_ENUM_FLAG_INCLUDE_DISABLED; filterEnumTemplate.numFilterConditions = NUM_CONDITIONS; filterEnumTemplate.filterCondition = pFilterConditions; filterEnumTemplate.actionMask = 0xFFFFFFFF; status = HlprFwpmFilterCreateEnumHandle(engineHandle, &filterEnumTemplate, &enumHandle); HLPR_BAIL_ON_FAILURE_WITH_LABEL(status, HLPR_BAIL_LABEL_2); status = HlprFwpmFilterEnum(engineHandle, enumHandle, 0xFFFFFFFF, &ppFilters, &entryCount); HLPR_BAIL_ON_FAILURE_WITH_LABEL(status, HLPR_BAIL_LABEL_2); if(ppFilters) { for(UINT32 filterIndex = 0; filterIndex < entryCount; filterIndex++) { HlprFwpmFilterDeleteByKey(engineHandle, &(ppFilters[filterIndex]->filterKey)); } FwpmFreeMemory((void**)&ppFilters); } HLPR_BAIL_LABEL_2: if(enumHandle) HlprFwpmFilterDestroyEnumHandle(engineHandle, &enumHandle); } HLPR_BAIL_LABEL: HlprFwpmEngineClose(&engineHandle); return status;}/** @private_function="PrvScenarioAppContainerDeleteFwpmObjects" Purpose: <br> <br> Notes: Function is overloaded. <br> <br> MSDN_Ref: <br>*/_Success_(return == NO_ERROR)UINT32 PrvScenarioAppContainerDeleteFwpmObjects(){ UINT32 status = NO_ERROR; UINT32 sidSize = 0; HANDLE engineHandle = 0; const GUID pLayerKeys[] = {FWPM_LAYER_ALE_AUTH_RECV_ACCEPT_V4, FWPM_LAYER_ALE_AUTH_RECV_ACCEPT_V6, FWPM_LAYER_ALE_AUTH_CONNECT_V4, FWPM_LAYER_ALE_AUTH_CONNECT_V6}; const UINT32 NUM_OBJECTS = RTL_NUMBER_OF(pLayerKeys); FWPM_FILTER_CONDITION filterCondition = {0}; /// Only App Containers have a valid (non-NULL) SID for the ALE_PACKAGE_ID filterCondition.fieldKey = FWPM_CONDITION_ALE_PACKAGE_ID; filterCondition.matchType = FWP_MATCH_NOT_EQUAL; filterCondition.conditionValue.type = FWP_SID;#pragma warning(push)#pragma warning(disable: 6388) /// filterCondition.conditionValue.sid guaranteed to be 0 due to ZeroMemory call status = HlprSIDGetWellKnown(WinNullSid, &(filterCondition.conditionValue.sid), &sidSize); HLPR_BAIL_ON_FAILURE(status);#pragma warning(pop) status = HlprFwpmEngineOpen(&engineHandle); HLPR_BAIL_ON_FAILURE(status); for(UINT32 objectIndex = 0; objectIndex < NUM_OBJECTS; objectIndex++) { HANDLE enumHandle = 0; UINT32 entryCount = 0; FWPM_FILTER** ppFilters = 0; FWPM_FILTER_ENUM_TEMPLATE filterEnumTemplate = {0}; filterEnumTemplate.providerKey = (GUID*)&WFPSAMPLER_PROVIDER; filterEnumTemplate.layerKey = pLayerKeys[objectIndex]; filterEnumTemplate.enumType = FWP_FILTER_ENUM_FULLY_CONTAINED; filterEnumTemplate.flags = FWP_FILTER_ENUM_FLAG_INCLUDE_BOOTTIME | FWP_FILTER_ENUM_FLAG_INCLUDE_DISABLED; filterEnumTemplate.numFilterConditions = 1; filterEnumTemplate.filterCondition = &filterCondition; filterEnumTemplate.actionMask = 0xFFFFFFFF; status = HlprFwpmFilterCreateEnumHandle(engineHandle, &filterEnumTemplate, &enumHandle); HLPR_BAIL_ON_FAILURE_WITH_LABEL(status, HLPR_BAIL_LABEL_2); status = HlprFwpmFilterEnum(engineHandle, enumHandle, 0xFFFFFFFF, &ppFilters, &entryCount); HLPR_BAIL_ON_FAILURE_WITH_LABEL(status, HLPR_BAIL_LABEL_2); if(ppFilters) { for(UINT32 filterIndex = 0; filterIndex < entryCount; filterIndex++) { HlprFwpmFilterDeleteByKey(engineHandle, &(ppFilters[filterIndex]->filterKey)); } FwpmFreeMemory((void**)&ppFilters); } HLPR_BAIL_LABEL_2: if(enumHandle) HlprFwpmFilterDestroyEnumHandle(engineHandle, &enumHandle); } HLPR_BAIL_LABEL: HlprSIDDestroy(&(filterCondition.conditionValue.sid)); HlprFwpmEngineClose(&engineHandle); return status;}/** @private_function="PrvScenarioAppContainerAddFwpmObjects" Purpose: Add filters for specific containers. <br> <br> Notes: Function is overloaded. <br> <br> MSDN_Ref: <br>*/_Success_(return == NO_ERROR)UINT32 PrvScenarioAppContainerAddFwpmObjects(_In_ const SID* pPackageID, _In_ const SID* pUserID, _In_opt_ PCWSTR pDisplayName, _In_ BOOLEAN persistent = TRUE, _In_ BOOLEAN bootTime = FALSE){ UNREFERENCED_PARAMETER(pUserID); ASSERT(pPackageID); ASSERT(pUserID); UINT32 status = NO_ERROR;/// UINT32 sidSize = 0; HANDLE engineHandle = 0; const GUID pLayerKeys[] = {FWPM_LAYER_ALE_AUTH_RECV_ACCEPT_V4, FWPM_LAYER_ALE_AUTH_RECV_ACCEPT_V6, FWPM_LAYER_ALE_AUTH_CONNECT_V4, FWPM_LAYER_ALE_AUTH_CONNECT_V6}; const UINT8 NUM_CONDITIONS = 1; /// 2 const UINT8 NUM_OBJECTS = RTL_NUMBER_OF(pLayerKeys); FWPM_FILTER_CONDITION pFilterConditions[NUM_CONDITIONS] = {0}; FWPM_FILTER pFilters[NUM_OBJECTS] = {0};/// status = HlprSecurityDescriptorGetSelfRelativeForUser(); pFilterConditions[0].fieldKey = FWPM_CONDITION_ALE_PACKAGE_ID; pFilterConditions[0].matchType = FWP_MATCH_EQUAL; pFilterConditions[0].conditionValue.type = FWP_SID; pFilterConditions[0].conditionValue.sid = (SID*)pPackageID;/// pFilterConditions[1].fieldKey = FWPM_CONDITION_ALE_USER_ID;/// pFilterConditions[1].matchType = FWP_MATCH_EQUAL;/// pFilterConditions[1].conditionValue.type = FWP_SECURITY_DESCRIPTOR_TYPE;/// pFilterConditions[1].conditionValue.sd = ; for(UINT32 objectIndex = 0; objectIndex < NUM_OBJECTS; objectIndex++) { status = HlprGUIDPopulate(&(pFilters[objectIndex].filterKey)); HLPR_BAIL_ON_FAILURE(status); pFilters[objectIndex].displayData.name = L"WFPSampler's AppContainer Scenario Filter"; pFilters[objectIndex].displayData.description = (PWSTR)pDisplayName; pFilters[objectIndex].flags |= FWPM_FILTER_FLAG_PERSISTENT; pFilters[objectIndex].providerKey = (GUID*)&WFPSAMPLER_PROVIDER; pFilters[objectIndex].layerKey = pLayerKeys[objectIndex]; pFilters[objectIndex].subLayerKey = WFPSAMPLER_SUBLAYER; pFilters[objectIndex].weight.type = FWP_UINT8; pFilters[objectIndex].weight.uint8 = 0xF; pFilters[objectIndex].numFilterConditions = NUM_CONDITIONS; pFilters[objectIndex].filterCondition = pFilterConditions; pFilters[objectIndex].action.type = FWP_ACTION_PERMIT; if(!persistent) pFilters[objectIndex].flags ^= FWPM_FILTER_FLAG_PERSISTENT; if(bootTime) { if(pFilters[objectIndex].flags & FWPM_FILTER_FLAG_PERSISTENT) pFilters[objectIndex].flags ^= FWPM_FILTER_FLAG_PERSISTENT; pFilters[objectIndex].flags |= FWPM_FILTER_FLAG_BOOTTIME; } } status = HlprFwpmEngineOpen(&engineHandle); HLPR_BAIL_ON_FAILURE(status); status = HlprFwpmTransactionBegin(engineHandle); HLPR_BAIL_ON_FAILURE(status); for(UINT32 objectIndex = 0; objectIndex < NUM_OBJECTS; objectIndex++) { status = HlprFwpmFilterAdd(engineHandle, &(pFilters[objectIndex])); HLPR_BAIL_ON_FAILURE(status); } status = HlprFwpmTransactionCommit(engineHandle); HLPR_BAIL_ON_FAILURE(status); HLPR_BAIL_LABEL: if(engineHandle) { if(status != NO_ERROR) HlprFwpmTransactionAbort(engineHandle); HlprFwpmEngineClose(&engineHandle); } return status;}/** @private_function="PrvScenarioAppContainerAddFwpmObjects" Purpose: Function that enables the SCENARIO_APP_CONTAINER scenarios. <br> <br> Notes: Function is overloaded. <br> <br> MSDN_Ref: <br>*/_Success_(return == NO_ERROR)UINT32 PrvScenarioAppContainerAddFwpmObjects(_In_ BOOLEAN persistent = TRUE, _In_ BOOLEAN bootTime = FALSE){ UINT32 status = NO_ERROR; UINT32 sidSize = 0; HANDLE engineHandle = 0; const GUID pLayerKeys[] = {FWPM_LAYER_ALE_AUTH_RECV_ACCEPT_V4, FWPM_LAYER_ALE_AUTH_RECV_ACCEPT_V6, FWPM_LAYER_ALE_AUTH_CONNECT_V4, FWPM_LAYER_ALE_AUTH_CONNECT_V6}; const UINT32 NUM_OBJECTS = RTL_NUMBER_OF(pLayerKeys); FWPM_FILTER_CONDITION filterCondition = {0}; FWPM_FILTER pFilters[NUM_OBJECTS] = {0}; /// Only App Containers have a valid (non-NULL) SID for the ALE_PACKAGE_ID filterCondition.fieldKey = FWPM_CONDITION_ALE_PACKAGE_ID; filterCondition.matchType = FWP_MATCH_NOT_EQUAL; filterCondition.conditionValue.type = FWP_SID;#pragma warning(push)#pragma warning(disable: 6388) /// filterCondition.conditionValue.sid guaranteed to be 0 due to ZeroMemory call status = HlprSIDGetWellKnown(WinNullSid, &(filterCondition.conditionValue.sid), &sidSize); HLPR_BAIL_ON_FAILURE(status);#pragma warning(pop) for(UINT32 objectIndex = 0; objectIndex < NUM_OBJECTS; objectIndex++) { status = HlprGUIDPopulate(&(pFilters[objectIndex].filterKey)); HLPR_BAIL_ON_FAILURE(status); pFilters[objectIndex].displayData.name = L"WFPSampler's AppContainer Scenario Filter"; pFilters[objectIndex].displayData.description = L"Trust Windows Service Hardening to handle all App Containers"; pFilters[objectIndex].flags |= FWPM_FILTER_FLAG_PERSISTENT; pFilters[objectIndex].providerKey = (GUID*)&WFPSAMPLER_PROVIDER; pFilters[objectIndex].layerKey = pLayerKeys[objectIndex]; pFilters[objectIndex].subLayerKey = WFPSAMPLER_SUBLAYER; pFilters[objectIndex].weight.type = FWP_UINT8; pFilters[objectIndex].weight.uint8 = 0xF; pFilters[objectIndex].numFilterConditions = 1; pFilters[objectIndex].filterCondition = &filterCondition; pFilters[objectIndex].action.type = FWP_ACTION_PERMIT; if(!persistent) pFilters[objectIndex].flags ^= FWPM_FILTER_FLAG_PERSISTENT; if(bootTime) { if(pFilters[objectIndex].flags & FWPM_FILTER_FLAG_PERSISTENT) pFilters[objectIndex].flags ^= FWPM_FILTER_FLAG_PERSISTENT; pFilters[objectIndex].flags |= FWPM_FILTER_FLAG_BOOTTIME; } } status = HlprFwpmEngineOpen(&engineHandle); HLPR_BAIL_ON_FAILURE(status); status = HlprFwpmTransactionBegin(engineHandle); HLPR_BAIL_ON_FAILURE(status); for(UINT32 objectIndex = 0; objectIndex < NUM_OBJECTS; objectIndex++) { status = HlprFwpmFilterAdd(engineHandle, &(pFilters[objectIndex])); HLPR_BAIL_ON_FAILURE(status); } status = HlprFwpmTransactionCommit(engineHandle); HLPR_BAIL_ON_FAILURE(status); HLPR_BAIL_LABEL: HlprSIDDestroy(&(filterCondition.conditionValue.sid)); if(engineHandle) { if(status != NO_ERROR) HlprFwpmTransactionAbort(engineHandle); HlprFwpmEngineClose(&engineHandle); } return status;}/** @callback_function="PrvScenarioAppContainerActOnChange" Purpose: Callback function which is invoked when an application adds or removes it's appContainer capabilities. <br> <br> Notes: <br> <br> MSDN_Ref: <br>*/VOID PrvScenarioAppContainerActOnChange(_In_opt_ VOID* pContext, _In_ const INET_FIREWALL_AC_CHANGE* pChange){ UNREFERENCED_PARAMETER(pContext); ASSERT(pChange); if(pChange->changeType == INET_FIREWALL_AC_CHANGE_CREATE) { PrvScenarioAppContainerAddFwpmObjects(pChange->appContainerSid, pChange->userSid, pChange->displayName); } else if(pChange->changeType == INET_FIREWALL_AC_CHANGE_DELETE) { PrvScenarioAppContainerDeleteFwpmObjects(pChange->appContainerSid, pChange->userSid); } return;}/** @private_function="PrvScenarioAppContainerEnumExisting" Purpose: <br> <br> Notes: <br> <br>*/_Success_(return == NO_ERROR)UINT32 PrvScenarioAppContainerEnumExisting(){ UINT32 status = NO_ERROR; UINT32 numAppContainers = 0; INET_FIREWALL_APP_CONTAINER* pAppContainers = 0; status = NetworkIsolationEnumAppContainers(NETISO_FLAG_FORCE_COMPUTE_BINARIES, (DWORD*)&numAppContainers, &pAppContainers); HLPR_BAIL_ON_FAILURE(status); for(UINT32 containerIndex = 0; containerIndex < numAppContainers; containerIndex++) { status = PrvScenarioAppContainerAddFwpmObjects(pAppContainers[containerIndex].appContainerSid, pAppContainers[containerIndex].userSid, pAppContainers[containerIndex].displayName); HLPR_BAIL_ON_FAILURE(status); } HLPR_BAIL_LABEL: return status;}/** @private_function="PrvScenarioAppContainerUnregister" Purpose: <br> <br> Notes: <br> <br>*/_Success_(return == NO_ERROR)UINT32 PrvScenarioAppContainerUnregister(){ UINT32 status = NO_ERROR; if(registrationHandle) { status = NetworkIsolationUnregisterForAppContainerChanges(registrationHandle); if(status != NO_ERROR) HlprLogError(L"PrvScenarioAppContainerUnregister : NetworkIsolationUnregisterForAppContainerChanges() [status: %#x]", status); else registrationHandle = 0; } return status;}/** @private_function="PrvScenarioAppContainerRegister" Purpose: <br> <br> Notes: <br> <br>*/_Success_(return == NO_ERROR)UINT32 PrvScenarioAppContainerRegister(){ UINT32 status = NO_ERROR; status = NetworkIsolationRegisterForAppContainerChanges(0, PrvScenarioAppContainerActOnChange, 0, ®istrationHandle); if(status != NO_ERROR) HlprLogError(L"ScenarioAppContainerRegister : NetworkIsolationRegisterForAppContainerChanges() [status: %#x]", status); return status;}/** @scenario_function="ScenarioAppContainerRemove" Purpose: Function that removes corresponding objects for a previously added SCENARIO_APP_CONTAINER. <br> <br> Notes: <br> <br> MSDN_Ref: <br>*/_Success_(return == NO_ERROR)UINT32 ScenarioAppContainerRemove(_In_ BOOLEAN trustWSH){ UINT32 status = NO_ERROR; if(trustWSH) status = PrvScenarioAppContainerDeleteFwpmObjects(); else { } return status;}/** @scenario_function="ScenarioAppContainerAdd" Purpose: <br> <br> Notes: <br> <br> MSDN_Ref: <br>*/_Success_(return == NO_ERROR)UINT32 ScenarioAppContainerAdd(_In_ BOOLEAN trustWSH, _In_ BOOLEAN persistent, _In_ BOOLEAN bootTime){ UINT32 status = NO_ERROR; if(trustWSH) status = PrvScenarioAppContainerAddFwpmObjects(persistent, bootTime); else { status = PrvScenarioAppContainerRegister(); HLPR_BAIL_ON_FAILURE(status); status = PrvScenarioAppContainerEnumExisting(); HLPR_BAIL_ON_FAILURE(status); } HLPR_BAIL_LABEL: if(status == NO_ERROR) scenarioConfigured = TRUE; return status;}/** @rpc_function="RPCInvokeScenarioBasicAction" Purpose: RPC exposed function used to dipatch the scenario routines for SCENARIO_APP_CONTAINER. <br> <br> Notes: <br> <br> MSDN_Ref: <br>*//* [fault_status][comm_status] */error_status_t RPCInvokeScenarioAppContainer(/* [in] */ handle_t rpcBindingHandle, /* [in] */ WFPSAMPLER_SCENARIO scenario, /* [in] */ FWPM_CHANGE_TYPE changeType, /* [in] */ BOOLEAN trustWSH, /* [in] */ BOOLEAN persistent, /* [in] */ BOOLEAN bootTime){ UINT32 status = NO_ERROR; UNREFERENCED_PARAMETER(rpcBindingHandle); UNREFERENCED_PARAMETER(scenario); if(scenario < SCENARIO_MAX && changeType < FWPM_CHANGE_TYPE_MAX) { switch(scenario) { case SCENARIO_APP_CONTAINER: { if(changeType == FWPM_CHANGE_ADD) { if(!scenarioConfigured) status = ScenarioAppContainerAdd(trustWSH, persistent, bootTime); else { status = ERROR_ALREADY_EXISTS; HlprLogError(L"RPCInvokeScenarioAppContainer() [status: %#x]", status); } } else status = ScenarioAppContainerRemove(trustWSH); break; } default: { status = ERROR_INVALID_PARAMETER; HlprLogError(L"RPCInvokeScenarioAppContainer() [status: %#x][scenario: %d]", status, scenario); break; } } } else { status = ERROR_INVALID_PARAMETER; HlprLogError(L"RPCInvokeScenarioAppContainer() [status: %#x][scenario: %#x][changeType: %#x]", status, scenario, changeType); } return status;}#else/** @rpc_function="RPCInvokeScenarioBasicAction" Purpose: RPC exposed function used to dipatch the scenario routines for SCENARIO_APP_CONTAINER. <br> <br> Notes: This particular function is only a stub for RPC on downlevel SKUs (Windows 7 and below). <br> <br> MSDN_Ref: <br>*/ /* [fault_status][comm_status] */ error_status_t RPCInvokeScenarioAppContainer(/* [in] */ handle_t rpcBindingHandle, /* [in] */ WFPSAMPLER_SCENARIO scenario, /* [in] */ FWPM_CHANGE_TYPE changeType, /* [in] */ BOOLEAN trustWSH, /* [in] */ BOOLEAN persistent, /* [in] */ BOOLEAN bootTime){ UNREFERENCED_PARAMETER(rpcBindingHandle); UNREFERENCED_PARAMETER(scenario); UNREFERENCED_PARAMETER(changeType); UNREFERENCED_PARAMETER(trustWSH); UNREFERENCED_PARAMETER(persistent); UNREFERENCED_PARAMETER(bootTime); return ERROR_NOT_SUPPORTED;}#endif /// (NTDDI_VERSION >= NTDDI_WIN8) |
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