Sample Code
Windows Driver Samples/ Windows Filtering Platform Sample/ C++/ exe/ Scenarios_BasicAction.cpp/
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All Rights Reserved.//// Module Name:// Scenarios_BasicAction.cpp//// Abstract:// This module contains functions which prepares and sends data for the BASIC_ACTION_* scenario// implementation.//// Naming Convention://// <Scope><Object><Action><Modifier>// // i.e.//// <Scope>// {// - Function is likely visible to other modules.// Prv - Function is private to this module.// }// <Object>// {// BasicActionBlockScenario - Function pertains to the Basic Action Block Scenario.// BasicActionContinueScenario - Function pertains to the Basic Action Continue Scenario.// BasicActionPermitScenario - Function pertains to the Basic Action Permit Scenario.// BasicActionRandomScenario - Function pertains to the Basic Action Random Scenario.// BasicActionScenario - Function pertains to all of the Basic Action Scenarios.// }// <Action>// {// Execute - Function packages data and invokes RPC to the WFPSampler// service.// Log - Function writes to the console.// Parse - Function pulls data into the required format from the// provided data.// }// <Modifier>// {// Help - Function provides context sensitive help for the // scenario.// RandomizedData - Function acts on the PC_BASIC_ACTION_DATA.// }//// Private Functions:// PrvBasicActionScenarioParseRandomizedData(),//// Public Functions:// BasicActionBlockScenarioExecute(),// BasicActionContinueScenarioExecute(),// BasicActionPermitScenarioExecute(),// BasicActionRandomScenarioExecute(),// BasicActionScenarioLogHelp(),//// Author:// Dusty Harper (DHarper)//// Revision History://// [ Month ][Day] [Year] - [Revision]-[ Comments ]// May 01, 2010 - 1.0 - Creation//////////////////////////////////////////////////////////////////////////////////////////////////////#include "Framework_WFPSampler.h" /// ./** @private_function="PrvBasicActionScenarioParseRandomizedData" Purpose: Parse the command line parameters for implementing randomization such as: <br> Random chance of returning block (-rab PERCENTAGE) <br> Random chance of returning continue (-rac PERCENTAGE) <br> Random chance of returning permit (-rap PERCENTAGE) <br> <br> Notes: This is only used if using SCENARIO_BASIC_ACTION_RANDOM. <br> <br> MSDN_Ref: <br>*/_Success_(return == NO_ERROR)UINT32 PrvBasicActionScenarioParseRandomizedData(_In_reads_(stringCount) PCWSTR* ppCLPStrings, _In_ const UINT32 stringCount, _Inout_ PC_BASIC_ACTION_DATA* pPCBasicActionData){ ASSERT(ppCLPStrings); ASSERT(stringCount); ASSERT(pPCBasicActionData); UINT32 status = NO_ERROR; for(UINT32 stringIndex = 0; (stringIndex + 1) < stringCount; stringIndex++) { const UINT32 WHOLE_PERCENTAGE = 100; /// Random FWP_ACTION_BLOCK if(HlprStringsAreEqual(L"-rab", ppCLPStrings[stringIndex])) { PCWSTR pString = ppCLPStrings[stringIndex + 1]; if(iswdigit((wint_t)pString[0])) { UINT32 percentBlock = wcstol(pString, 0, 0); if(percentBlock <= WHOLE_PERCENTAGE) pPCBasicActionData->percentBlock = percentBlock & 0xFF; } continue; } /// Random FWP_ACTION_CONTINUE if(HlprStringsAreEqual(L"-rac", ppCLPStrings[stringIndex])) { PCWSTR pString = ppCLPStrings[stringIndex + 1]; if(iswdigit((wint_t)pString[0])) { UINT32 percentContinue = wcstol(pString, 0, 0); if(percentContinue <= WHOLE_PERCENTAGE) pPCBasicActionData->percentContinue = percentContinue & 0xFF; } continue; } /// FWP_ACTION_PERMIT if(HlprStringsAreEqual(L"-rap", ppCLPStrings[stringIndex])) { PCWSTR pString = ppCLPStrings[stringIndex + 1]; if(iswdigit((wint_t)pString[0])) { UINT32 percentPermit = wcstol(pString, 0, 0); if(percentPermit <= WHOLE_PERCENTAGE) pPCBasicActionData->percentPermit = percentPermit & 0xFF; } continue; } if(pPCBasicActionData->percentBlock && pPCBasicActionData->percentContinue && pPCBasicActionData->percentPermit) break; } /// Set the chance of each action for Randomization if(pPCBasicActionData->percentBlock == 0 && pPCBasicActionData->percentContinue == 0 && pPCBasicActionData->percentPermit == 0) { pPCBasicActionData->percentBlock = 50; pPCBasicActionData->percentContinue = 25; pPCBasicActionData->percentPermit = 25; } else { if(pPCBasicActionData->percentBlock == 0) pPCBasicActionData->percentBlock = 100 - (pPCBasicActionData->percentContinue + pPCBasicActionData->percentPermit); if(pPCBasicActionData->percentContinue == 0) pPCBasicActionData->percentContinue = 100 - (pPCBasicActionData->percentBlock + pPCBasicActionData->percentPermit); if(pPCBasicActionData->percentPermit == 0) pPCBasicActionData->percentPermit = 100 - (pPCBasicActionData->percentBlock + pPCBasicActionData->percentContinue); } if((pPCBasicActionData->percentBlock + pPCBasicActionData->percentContinue + pPCBasicActionData->percentPermit) > 100) { pPCBasicActionData->percentBlock = 50; pPCBasicActionData->percentContinue = 25; pPCBasicActionData->percentPermit = 25; } return status;}/** @scenario_function="BasicActionBlockScenarioExecute" Purpose: Gather and package data neccessary to setup the BASIC_ACTION_BLOCK scenario, then invoke RPC to implement the scenario in the WFPSampler service. <br> <br> Notes: <br> <br> MSDN_Ref: <br>*/_Success_(return == NO_ERROR)UINT32 BasicActionBlockScenarioExecute(_In_reads_(stringCount) PCWSTR* ppCLPStrings, _In_ UINT32 stringCount){ ASSERT(ppCLPStrings); ASSERT(stringCount); UINT32 status = NO_ERROR; BOOLEAN removeScenario = FALSE; FWPM_FILTER* pFilter = 0; status = HlprFwpmFilterCreate(&pFilter); HLPR_BAIL_ON_FAILURE(status); pFilter->displayData.name = L"WFPSampler's Basic Action Block Scenario Filter"; HlprCommandLineParseForScenarioRemoval(ppCLPStrings, stringCount, &removeScenario); status = HlprCommandLineParseForFilterInfo(ppCLPStrings, stringCount, pFilter, removeScenario); HLPR_BAIL_ON_FAILURE(status); status = RPCInvokeScenarioBasicAction(wfpSamplerBindingHandle, SCENARIO_BASIC_ACTION_BLOCK, removeScenario ? FWPM_CHANGE_DELETE : FWPM_CHANGE_ADD, pFilter, 0); if(status != NO_ERROR) HlprLogError(L"BasicActionBlockScenarioExecute : RpcInvokeScenarioBasicAction() [status: %#x]", status); else HlprLogInfo(L"BasicActionBlockScenarioExecute : RpcInvokeScenarioBasicAction() [status: %#x]", status); HLPR_BAIL_LABEL: return status;}/** @scenario_function="BasicActionContinueScenarioExecute" Purpose: Gather and package data neccessary to setup the BASIC_ACTION_CONTINUE scenario, then invoke RPC to implement the scenario in the WFPSampler service. <br> <br> Notes: <br> <br> MSDN_Ref: <br>*/_Success_(return == NO_ERROR)UINT32 BasicActionContinueScenarioExecute(_In_reads_(stringCount) PCWSTR* ppCLPStrings, _In_ UINT32 stringCount){ ASSERT(ppCLPStrings); ASSERT(stringCount); UINT32 status = NO_ERROR; BOOLEAN removeScenario = FALSE; FWPM_FILTER* pFilter = 0; status = HlprFwpmFilterCreate(&pFilter); HLPR_BAIL_ON_FAILURE(status); pFilter->displayData.name = L"WFPSampler's Basic Action Continue Scenario Filter"; HlprCommandLineParseForScenarioRemoval(ppCLPStrings, stringCount, &removeScenario); status = HlprCommandLineParseForFilterInfo(ppCLPStrings, stringCount, pFilter, removeScenario); HLPR_BAIL_ON_FAILURE(status); status = RPCInvokeScenarioBasicAction(wfpSamplerBindingHandle, SCENARIO_BASIC_ACTION_CONTINUE, removeScenario ? FWPM_CHANGE_DELETE : FWPM_CHANGE_ADD, pFilter, 0); if(status != NO_ERROR) HlprLogError(L"BasicActionContinueScenarioExecute : RpcInvokeScenarioBasicAction() [status: %#x]", status); else HlprLogInfo(L"BasicActionContinueScenarioExecute : RpcInvokeScenarioBasicAction() [status: %#x]", status); HLPR_BAIL_LABEL: if(pFilter) HlprFwpmFilterDestroy(&pFilter); return status;}/** @scenario_function="BasicActionPermitScenarioExecute" Purpose: Gather and package data neccessary to setup the BASIC_ACTION_PERMIT scenario, then invoke RPC to implement the scenario in the WFPSampler service. <br> <br> Notes: <br> <br> MSDN_Ref: <br>*/_Success_(return == NO_ERROR)UINT32 BasicActionPermitScenarioExecute(_In_reads_(stringCount) PCWSTR* ppCLPStrings, _In_ UINT32 stringCount){ ASSERT(ppCLPStrings); ASSERT(stringCount); UINT32 status = NO_ERROR; BOOLEAN removeScenario = FALSE; FWPM_FILTER* pFilter = 0; status = HlprFwpmFilterCreate(&pFilter); HLPR_BAIL_ON_FAILURE(status); pFilter->displayData.name = L"WFPSampler's Basic Action Permit Scenario Filter"; HlprCommandLineParseForScenarioRemoval(ppCLPStrings, stringCount, &removeScenario); status = HlprCommandLineParseForFilterInfo(ppCLPStrings, stringCount, pFilter, removeScenario); HLPR_BAIL_ON_FAILURE(status); status = RPCInvokeScenarioBasicAction(wfpSamplerBindingHandle, SCENARIO_BASIC_ACTION_PERMIT, removeScenario ? FWPM_CHANGE_DELETE : FWPM_CHANGE_ADD, pFilter, 0); if(status != NO_ERROR) HlprLogError(L"BasicActionPermitScenarioExecute : RpcInvokeScenarioBasicAction() [status: %#x]", status); else HlprLogInfo(L"BasicActionPermitScenarioExecute : RpcInvokeScenarioBasicAction() [status: %#x]", status); HLPR_BAIL_LABEL: if(pFilter) HlprFwpmFilterDestroy(&pFilter); return status;}/** @scenario_function="BasicActionRandomScenarioExecute" Purpose: Gather and package data neccessary to setup the BASIC_ACTION_RANDOM scenario, then invoke RPC to implement the scenario in the WFPSampler service. <br> <br> Notes: <br> <br> MSDN_Ref: <br>*/_Success_(return == NO_ERROR)UINT32 BasicActionRandomScenarioExecute(_In_reads_(stringCount) PCWSTR* ppCLPStrings, _In_ UINT32 stringCount){ UINT32 status = NO_ERROR; BOOLEAN removeScenario = FALSE; PC_BASIC_ACTION_DATA* pPCBasicActionData = 0; FWPM_FILTER* pFilter = 0; status = HlprFwpmFilterCreate(&pFilter); HLPR_BAIL_ON_FAILURE(status); pFilter->displayData.name = L"WFPSampler's Basic Action Random Scenario Filter"; HlprCommandLineParseForScenarioRemoval(ppCLPStrings, stringCount, &removeScenario); status = HlprCommandLineParseForFilterInfo(ppCLPStrings, stringCount, pFilter, removeScenario); HLPR_BAIL_ON_FAILURE(status); if(!removeScenario) { HLPR_NEW(pPCBasicActionData, PC_BASIC_ACTION_DATA); HLPR_BAIL_ON_ALLOC_FAILURE(pPCBasicActionData, status); status = PrvBasicActionScenarioParseRandomizedData(ppCLPStrings, stringCount, pPCBasicActionData); HLPR_BAIL_ON_FAILURE(status); } status = RPCInvokeScenarioBasicAction(wfpSamplerBindingHandle, SCENARIO_BASIC_ACTION_RANDOM, removeScenario ? FWPM_CHANGE_DELETE : FWPM_CHANGE_ADD, pFilter, pPCBasicActionData); if(status != NO_ERROR) HlprLogError(L"BasicActionRandomScenarioExecute : RpcInvokeScenarioBasicAction() [status: %#x]", status); else HlprLogInfo(L"BasicActionRandomScenarioExecute : RpcInvokeScenarioBasicAction() [status: %#x]", status); HLPR_BAIL_LABEL: if(pFilter) HlprFwpmFilterDestroy(&pFilter); HLPR_DELETE(pPCBasicActionData); return status;}/** @public_function="BasicActionScenarioLogHelp" Purpose: Log usage information for the BASIC_ACTION* scenarios to the console. <br> <br> Notes: <br> <br> MSDN_Ref: <br>*/VOID BasicActionScenarioLogHelp(_In_ const UINT32 scenario){ PWSTR pScenario = L"BASIC_ACTION_BLOCK"; PWSTR pRandomInfo = L" "; if(scenario == SCENARIO_BASIC_ACTION_CONTINUE) pScenario = L"BASIC_ACTION_CONTINUE"; else if(scenario == SCENARIO_BASIC_ACTION_PERMIT) pScenario = L"BASIC_ACTION_PERMIT"; else if(scenario == SCENARIO_BASIC_ACTION_RANDOM) pScenario = L"BASIC_ACTION_RANDOM"; wprintf(L"\n\t\t -s \t %s", pScenario); wprintf(L"\n\t\t -? \t Receive usage information."); wprintf(L"\n\t\t -l \t Specify the layer to perform the filtering. [Required]"); wprintf(L"\n\t\t -r \t Remove the scenario objects."); wprintf(L"\n\t\t -c \t Use a callout to perform the action. [Optional]"); wprintf(L"\n\t\t -v \t Make the filter volatile (non-persistent). [Optional]"); wprintf(L"\n\t\t -b \t Makes the objects available during boot time. [Optional]"); wprintf(L"\n\t\t -ipla \t Specify the IP_LOCAL_ADDRESS /"); wprintf(L"\n\t\t \t IP_SOURCE_ADDRESS to filter. [Optional]"); wprintf(L"\n\t\t -ipra \t Specify the IP_REMOTE_ADDRESS /"); wprintf(L"\n\t\t \t IP_DESTINATION_ADDRESS to filter. [Optional]"); wprintf(L"\n\t\t -ipp \t Specify the IP_PROTOCOL to filter. [Optional]"); wprintf(L"\n\t\t -iplp \t Specify the IP_LOCAL_PORT to filter. [Optional]"); wprintf(L"\n\t\t -icmpt \t Specify the ICMP_TYPE to filter. [Optional]"); wprintf(L"\n\t\t -iprp \t Specify the IP_REMOTE_PORT to filter. [Optional]"); wprintf(L"\n\t\t -icmpc \t Specify the ICMP_CODE to filter. [Optional]"); if(scenario == SCENARIO_BASIC_ACTION_RANDOM) { pRandomInfo = L"-rab 50 -rac 25 -rap 25 "; wprintf(L"\n\t\t -rab \t Percentage chance of returning FWP_ACTION_BLOCK. [Optional]"); wprintf(L"\n\t\t -rac \t Percentage chance of returning FWP_ACTION_CONTINUE. [Optional]"); wprintf(L"\n\t\t -rap \t Percentage chance of returning FWP_ACTION_PERMIT. [Optional]"); } wprintf(L"\n"); wprintf(L"\n\t i.e."); wprintf(L"\n\t\t WFPSampler.Exe -s %s -l FWPM_LAYER_INBOUND_TRANSPORT_V4 -ipla 1.0.0.1 -ipra 1.0.0.254 -ipp TCP -c %s", pScenario, pRandomInfo); wprintf(L"\n\t\t WFPSampler.Exe -s %s -l FWPM_LAYER_INBOUND_TRANSPORT_V4 -ipla 1.0.0.1 -ipra 1.0.0.254 -ipp TCP -c %s-r", pScenario, pRandomInfo); wprintf(L"\n"); return;} |
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