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////////////////////////////////////////////////////////////////////////////////////////////////////
//
// Copyright (c) 2014 Microsoft Corporation. All Rights Reserved.
//
// Module Name:
// Scenarios_BasicPacketInjection.cpp
//
// Abstract:
// This module contains functions which prepares and sends data for the BASIC_PACKET_INJECTION
// 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>
// {
// BasicPacketInjectionScenario - Function pertains to Basic Packet Injection Scenario.
// }
// <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.
// InjectionData - Function acts on the PC_BASIC_PACKET_INJECTION_DATA.
// }
//
// Private Functions:
// PrvScenarioBasicPacketInjectionParseInjectionData(),
//
// Public Functions:
// BasicPacketInjectionScenarioExecute(),
// BasicPacketInjectionScenarioLogHelp(),
//
// Author:
// Dusty Harper (DHarper)
//
// Revision History:
//
// [ Month ][Day] [Year] - [Revision]-[ Comments ]
// May 01, 2010 - 1.0 - Creation
// December 13, 2013 - 1.1 - Add support for specifying a different sublayer
//
////////////////////////////////////////////////////////////////////////////////////////////////////
#include "Framework_WFPSampler.h" /// .
/**
@private_function="PrvBasicPacketInjectionScenarioParseInjectionData"
Purpose: Parse the command line parameters for implementing packet injection such as: <br>
Perform the injection inline (from within the classify) (-in) <br>
Use threaded DPCs for out of band (asynchronous) (-tdpc) <br>
Use work items for out of band (asynchronous) (-wi) <br>
<br>
Notes: <br>
<br>
MSDN_Ref: <br>
*/
_Success_(return == NO_ERROR)
UINT32 PrvBasicPacketInjectionScenarioParseInjectionData(_In_reads_(stringCount) PCWSTR* ppCLPStrings,
_In_ const UINT32 stringCount,
_Inout_ PC_BASIC_PACKET_INJECTION_DATA* pPCBasicPacketInjectionData)
{
ASSERT(ppCLPStrings);
ASSERT(stringCount);
ASSERT(pPCBasicPacketInjectionData);
UINT32 status = NO_ERROR;
const UINT32 MAX_PARAMETERS = 4;
UINT32 found = 0;
for(UINT32 stringIndex = 0;
stringIndex < stringCount &&
found != MAX_PARAMETERS;
stringIndex++)
{
/// Inline Injection
if(HlprStringsAreEqual(L"-in",
ppCLPStrings[stringIndex]))
{
pPCBasicPacketInjectionData->performInline = TRUE;
found++;
continue;
}
/// Threaded DPC
if(HlprStringsAreEqual(L"-tdpc",
ppCLPStrings[stringIndex]))
{
pPCBasicPacketInjectionData->useThreadedDPC = TRUE;
found++;
continue;
}
/// Work Items
if(HlprStringsAreEqual(L"-wi",
ppCLPStrings[stringIndex]))
{
pPCBasicPacketInjectionData->useWorkItems = TRUE;
found++;
continue;
}
}
return status;
}
/**
@scenario_function="BasicPacketInjectionScenarioExecute"
Purpose: Gather and package data neccessary to setup the BASIC_PACKET_INJECTION 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 BasicPacketInjectionScenarioExecute(_In_reads_(stringCount) PCWSTR* ppCLPStrings,
_In_ const UINT32 stringCount)
{
ASSERT(ppCLPStrings);
ASSERT(stringCount);
UINT32 status = NO_ERROR;
BOOLEAN removeScenario = FALSE;
PC_BASIC_PACKET_INJECTION_DATA* pPCBasicPacketInjectionData = 0;
FWPM_FILTER* pFilter = 0;
status = HlprFwpmFilterCreate(&pFilter);
HLPR_BAIL_ON_FAILURE(status);
pFilter->displayData.name = L"WFPSampler's Basic Packet Injection Scenario Filter";
HlprCommandLineParseForScenarioRemoval(ppCLPStrings,
stringCount,
&removeScenario);
status = HlprCommandLineParseForFilterInfo(ppCLPStrings,
stringCount,
pFilter,
removeScenario);
HLPR_BAIL_ON_FAILURE(status);
if(!removeScenario)
{
HLPR_NEW(pPCBasicPacketInjectionData,
PC_BASIC_PACKET_INJECTION_DATA);
HLPR_BAIL_ON_ALLOC_FAILURE(pPCBasicPacketInjectionData,
status);
status = PrvBasicPacketInjectionScenarioParseInjectionData(ppCLPStrings,
stringCount,
pPCBasicPacketInjectionData);
HLPR_BAIL_ON_FAILURE(status);
}
status = RPCInvokeScenarioBasicPacketInjection(wfpSamplerBindingHandle,
SCENARIO_BASIC_PACKET_INJECTION,
removeScenario ? FWPM_CHANGE_DELETE : FWPM_CHANGE_ADD,
pFilter,
pPCBasicPacketInjectionData);
if(status != NO_ERROR)
HlprLogError(L"BasicPacketInjectionScenarioExecute : RpcInvokeScenarioBasicPacketInjection() [status: %#x]",
status);
else
HlprLogInfo(L"BasicPacketInjectionScenarioExecute : RpcInvokeScenarioBasicPacketInjection() [status: %#x]",
status);
HLPR_BAIL_LABEL:
if(pFilter)
HlprFwpmFilterDestroy(&pFilter);
HLPR_DELETE(pPCBasicPacketInjectionData);
return status;
}
/**
@public_function="BasicPacketInjectionScenarioLogHelp"
Purpose: Log usage information for the BASIC_PACKET_INJECTION scenario to the console. <br>
<br>
Notes: <br>
<br>
MSDN_Ref: <br>
*/
VOID BasicPacketInjectionScenarioLogHelp()
{
wprintf(L"\n\t\t -s \t BASIC_PACKET_INJECTION");
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 -sl \t Specify the sublayer to perform the filtering. [Optional]");
wprintf(L"\n\t\t -r \t Remove the scenario objects.");
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 -in \t Perform the injection inline if possible. [Optional]");
wprintf(L"\n\t\t -tdpc \t Use threaded DPCs for out of band. [Optional]");
wprintf(L"\n\t\t -wi \t Use work items for out of band. [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]");
wprintf(L"\n");
wprintf(L"\n\t i.e.");
wprintf(L"\n\t\t WFPSampler.Exe -s BASIC_PACKET_INJECTION -l FWPM_LAYER_INBOUND_TRANSPORT_V4 -ipla 1.0.0.1 -ipra 1.0.0.254 -ipp TCP -v");
wprintf(L"\n\t\t WFPSampler.Exe -s BASIC_PACKET_INJECTION -l FWPM_LAYER_INBOUND_TRANSPORT_V4 -ipla 1.0.0.1 -ipra 1.0.0.254 -ipp TCP -v -r");
wprintf(L"\n");
return;
}
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