include/fltdefs.h

   1 /**
   2  * This file has no copyright assigned and is placed in the Public Domain.
   3  * This file is part of the w64 mingw-runtime package.
   4  * No warranty is given; refer to the file DISCLAIMER.PD within this package.
   5  */
   6 #ifndef _FLTDEFS_H
   7 #define _FLTDEFS_H
   8
   9 typedef PVOID FILTER_HANDLE,*PFILTER_HANDLE;
  10 typedef PVOID INTERFACE_HANDLE,*PINTERFACE_HANDLE;
  11
  12 #ifdef __cplusplus
  13 #define EXTERNCDECL EXTERN_C
  14 #else
  15 #define EXTERNCDECL
  16 #endif
  17
  18 #define PFAPIENTRY EXTERNCDECL DWORD WINAPI
  19
  20 typedef enum _GlobalFilter {
  21   GF_FRAGMENTS = 2,GF_STRONGHOST = 8,GF_FRAGCACHE = 9
  22 } GLOBAL_FILTER,*PGLOBAL_FILTER;
  23
  24 typedef enum _PfForwardAction {
  25   PF_ACTION_FORWARD = 0,PF_ACTION_DROP
  26 } PFFORWARD_ACTION,*PPFFORWARD_ACTION;
  27
  28 typedef enum _PfAddresType {
  29   PF_IPV4,PF_IPV6
  30 } PFADDRESSTYPE,*PPFADDRESSTYPE;
  31
  32 #define FILTER_PROTO(ProtoId) MAKELONG(MAKEWORD((ProtoId),0x00),0x00000)
  33
  34 #define FILTER_PROTO_ANY FILTER_PROTO(0x00)
  35 #define FILTER_PROTO_ICMP FILTER_PROTO(0x01)
  36 #define FILTER_PROTO_TCP FILTER_PROTO(0x06)
  37 #define FILTER_PROTO_UDP FILTER_PROTO(0x11)
  38
  39 #define FILTER_TCPUDP_PORT_ANY (WORD)0x0000
  40
  41 #define FILTER_ICMP_TYPE_ANY (BYTE)0xff
  42 #define FILTER_ICMP_CODE_ANY (BYTE)0xff
  43
  44 typedef struct _PF_FILTER_DESCRIPTOR {
  45   DWORD dwFilterFlags;
  46   DWORD dwRule;
  47   PFADDRESSTYPE pfatType;
  48   PBYTE SrcAddr;
  49   PBYTE SrcMask;
  50   PBYTE DstAddr;
  51   PBYTE DstMask;
  52   DWORD dwProtocol;
  53   DWORD fLateBound;
  54   WORD wSrcPort;
  55   WORD wDstPort;
  56   WORD wSrcPortHighRange;
  57   WORD wDstPortHighRange;
  58 } PF_FILTER_DESCRIPTOR,*PPF_FILTER_DESCRIPTOR;
  59
  60 typedef struct _PF_FILTER_STATS {
  61   DWORD dwNumPacketsFiltered;
  62   PF_FILTER_DESCRIPTOR info;
  63 } PF_FILTER_STATS,*PPF_FILTER_STATS;
  64
  65 typedef struct _PF_INTERFACE_STATS {
  66   PVOID pvDriverContext;
  67   DWORD dwFlags;
  68   DWORD dwInDrops;
  69   DWORD dwOutDrops;
  70   PFFORWARD_ACTION eaInAction;
  71   PFFORWARD_ACTION eaOutAction;
  72   DWORD dwNumInFilters;
  73   DWORD dwNumOutFilters;
  74   DWORD dwFrag;
  75   DWORD dwSpoof;
  76   DWORD dwReserved1;
  77   DWORD dwReserved2;
  78   LARGE_INTEGER liSYN;
  79   LARGE_INTEGER liTotalLogged;
  80   DWORD dwLostLogEntries;
  81   PF_FILTER_STATS FilterInfo[1];
  82 } PF_INTERFACE_STATS,*PPF_INTERFACE_STATS;
  83
  84 #define FILTERSIZE (sizeof(PF_FILTER_DESCRIPTOR) - (DWORD)(&((PPF_FILTER_DESCRIPTOR)0)->SrcAddr))
  85
  86 #define FD_FLAGS_NOSYN 0x1
  87
  88 #define FD_FLAGS_ALLFLAGS FD_FLAGS_NOSYN
  89
  90 #define LB_SRC_ADDR_USE_SRCADDR_FLAG 0x00000001
  91 #define LB_SRC_ADDR_USE_DSTADDR_FLAG 0x00000002
  92 #define LB_DST_ADDR_USE_SRCADDR_FLAG 0x00000004
  93 #define LB_DST_ADDR_USE_DSTADDR_FLAG 0x00000008
  94 #define LB_SRC_MASK_LATE_FLAG 0x00000010
  95 #define LB_DST_MASK_LATE_FLAG 0x00000020
  96
  97 typedef struct _PF_LATEBIND_INFO {
  98   PBYTE SrcAddr;
  99   PBYTE DstAddr;
 100   PBYTE Mask;
 101 } PF_LATEBIND_INFO,*PPF_LATEBIND_INFO;
 102
 103 typedef enum _PfFrameType {
 104   PFFT_FILTER = 1,PFFT_FRAG = 2,PFFT_SPOOF = 3
 105 } PFFRAMETYPE,*PPFFRAMETYPE;
 106
 107 typedef struct _pfLogFrame {
 108   LARGE_INTEGER Timestamp;
 109   PFFRAMETYPE pfeTypeOfFrame;
 110   DWORD dwTotalSizeUsed;
 111   DWORD dwFilterRule;
 112   WORD wSizeOfAdditionalData;
 113   WORD wSizeOfIpHeader;
 114   DWORD dwInterfaceName;
 115   DWORD dwIPIndex;
 116   BYTE bPacketData[1];
 117 } PFLOGFRAME,*PPFLOGFRAME;
 118
 119 #define ERROR_BASE 23000
 120
 121 #define PFERROR_NO_PF_INTERFACE (ERROR_BASE + 0)
 122 #define PFERROR_NO_FILTERS_GIVEN (ERROR_BASE + 1)
 123 #define PFERROR_BUFFER_TOO_SMALL (ERROR_BASE + 2)
 124 #define ERROR_IPV6_NOT_IMPLEMENTED (ERROR_BASE + 3)
 125
 126 PFAPIENTRY PfCreateInterface(DWORD dwName,PFFORWARD_ACTION inAction,PFFORWARD_ACTION outAction,BOOL bUseLog,BOOL bMustBeUnique,INTERFACE_HANDLE *ppInterface);
 127 PFAPIENTRY PfDeleteInterface(INTERFACE_HANDLE pInterface);
 128 PFAPIENTRY PfAddFiltersToInterface(INTERFACE_HANDLE ih,DWORD cInFilters,PPF_FILTER_DESCRIPTOR pfiltIn,DWORD cOutFilters,PPF_FILTER_DESCRIPTOR pfiltOut,PFILTER_HANDLE pfHandle);
 129 PFAPIENTRY PfRemoveFiltersFromInterface(INTERFACE_HANDLE ih,DWORD cInFilters,PPF_FILTER_DESCRIPTOR pfiltIn,DWORD cOutFilters,PPF_FILTER_DESCRIPTOR pfiltOut);
 130 PFAPIENTRY PfRemoveFilterHandles(INTERFACE_HANDLE pInterface,DWORD cFilters,PFILTER_HANDLE pvHandles);
 131 PFAPIENTRY PfUnBindInterface(INTERFACE_HANDLE pInterface);
 132 PFAPIENTRY PfBindInterfaceToIndex(INTERFACE_HANDLE pInterface,DWORD dwIndex,PFADDRESSTYPE pfatLinkType,PBYTE LinkIPAddress);
 133 PFAPIENTRY PfBindInterfaceToIPAddress(INTERFACE_HANDLE pInterface,PFADDRESSTYPE pfatType,PBYTE IPAddress);
 134 PFAPIENTRY PfRebindFilters(INTERFACE_HANDLE pInterface,PPF_LATEBIND_INFO pLateBindInfo);
 135 PFAPIENTRY PfAddGlobalFilterToInterface(INTERFACE_HANDLE pInterface,GLOBAL_FILTER gfFilter);
 136 PFAPIENTRY PfRemoveGlobalFilterFromInterface(INTERFACE_HANDLE pInterface,GLOBAL_FILTER gfFilter);
 137 PFAPIENTRY PfMakeLog(HANDLE hEvent);
 138 PFAPIENTRY PfSetLogBuffer(PBYTE pbBuffer,DWORD dwSize,DWORD dwThreshold,DWORD dwEntries,PDWORD pdwLoggedEntries,PDWORD pdwLostEntries,PDWORD pdwSizeUsed);
 139 PFAPIENTRY PfDeleteLog(VOID);
 140 PFAPIENTRY PfGetInterfaceStatistics(INTERFACE_HANDLE pInterface,PPF_INTERFACE_STATS ppfStats,PDWORD pdwBufferSize,BOOL fResetCounters);
 141 PFAPIENTRY PfTestPacket(INTERFACE_HANDLE pInInterface,INTERFACE_HANDLE pOutInterface,DWORD cBytes,PBYTE pbPacket,PPFFORWARD_ACTION ppAction);
 142 #endif