1 /**
2  * This file is part of the mingw-w64 runtime package.
3  * No warranty is given; refer to the file DISCLAIMER within this package.
4  */
5 #ifndef _FLTDEFS_H
6 #define _FLTDEFS_H
7 
8 #include <winapifamily.h>
9 
10 #if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP)
11 
12 typedef PVOID FILTER_HANDLE,*PFILTER_HANDLE;
13 typedef PVOID INTERFACE_HANDLE,*PINTERFACE_HANDLE;
14 
15 #define PFEXPORT __declspec(dllexport)
16 
17 #ifdef __cplusplus
18 #define EXTERNCDECL EXTERN_C
19 #else
20 #define EXTERNCDECL
21 #endif
22 
23 #define PFAPIENTRY EXTERNCDECL DWORD PFEXPORT WINAPI
24 
25 typedef enum _GlobalFilter {
26   GF_FRAGMENTS = 2,GF_STRONGHOST = 8,GF_FRAGCACHE = 9
27 } GLOBAL_FILTER,*PGLOBAL_FILTER;
28 
29 typedef enum _PfForwardAction {
30   PF_ACTION_FORWARD = 0,PF_ACTION_DROP
31 } PFFORWARD_ACTION,*PPFFORWARD_ACTION;
32 
33 typedef enum _PfAddresType {
34   PF_IPV4,PF_IPV6
35 } PFADDRESSTYPE,*PPFADDRESSTYPE;
36 
37 #define FILTER_PROTO(ProtoId) MAKELONG(MAKEWORD((ProtoId),0x00),0x00000)
38 
39 #define FILTER_PROTO_ANY FILTER_PROTO(0x00)
40 #define FILTER_PROTO_ICMP FILTER_PROTO(0x01)
41 #define FILTER_PROTO_TCP FILTER_PROTO(0x06)
42 #define FILTER_PROTO_UDP FILTER_PROTO(0x11)
43 
44 #define FILTER_TCPUDP_PORT_ANY (WORD)0x0000
45 
46 #define FILTER_ICMP_TYPE_ANY (BYTE)0xff
47 #define FILTER_ICMP_CODE_ANY (BYTE)0xff
48 
49 typedef struct _PF_FILTER_DESCRIPTOR {
50   DWORD dwFilterFlags;
51   DWORD dwRule;
52   PFADDRESSTYPE pfatType;
53   PBYTE SrcAddr;
54   PBYTE SrcMask;
55   PBYTE DstAddr;
56   PBYTE DstMask;
57   DWORD dwProtocol;
58   DWORD fLateBound;
59   WORD wSrcPort;
60   WORD wDstPort;
61   WORD wSrcPortHighRange;
62   WORD wDstPortHighRange;
63 } PF_FILTER_DESCRIPTOR,*PPF_FILTER_DESCRIPTOR;
64 
65 typedef struct _PF_FILTER_STATS {
66   DWORD dwNumPacketsFiltered;
67   PF_FILTER_DESCRIPTOR info;
68 } PF_FILTER_STATS,*PPF_FILTER_STATS;
69 
70 typedef struct _PF_INTERFACE_STATS {
71   PVOID pvDriverContext;
72   DWORD dwFlags;
73   DWORD dwInDrops;
74   DWORD dwOutDrops;
75   PFFORWARD_ACTION eaInAction;
76   PFFORWARD_ACTION eaOutAction;
77   DWORD dwNumInFilters;
78   DWORD dwNumOutFilters;
79   DWORD dwFrag;
80   DWORD dwSpoof;
81   DWORD dwReserved1;
82   DWORD dwReserved2;
83   LARGE_INTEGER liSYN;
84   LARGE_INTEGER liTotalLogged;
85   DWORD dwLostLogEntries;
86   PF_FILTER_STATS FilterInfo[1];
87 } PF_INTERFACE_STATS,*PPF_INTERFACE_STATS;
88 
89 #define FILTERSIZE (sizeof(PF_FILTER_DESCRIPTOR) - (DWORD)(&((PPF_FILTER_DESCRIPTOR)0)->SrcAddr))
90 
91 #define FD_FLAGS_NOSYN 0x1
92 
93 #define FD_FLAGS_ALLFLAGS FD_FLAGS_NOSYN
94 
95 #define LB_SRC_ADDR_USE_SRCADDR_FLAG 0x00000001
96 #define LB_SRC_ADDR_USE_DSTADDR_FLAG 0x00000002
97 #define LB_DST_ADDR_USE_SRCADDR_FLAG 0x00000004
98 #define LB_DST_ADDR_USE_DSTADDR_FLAG 0x00000008
99 #define LB_SRC_MASK_LATE_FLAG 0x00000010
100 #define LB_DST_MASK_LATE_FLAG 0x00000020
101 
102 typedef struct _PF_LATEBIND_INFO {
103   PBYTE SrcAddr;
104   PBYTE DstAddr;
105   PBYTE Mask;
106 } PF_LATEBIND_INFO,*PPF_LATEBIND_INFO;
107 
108 typedef enum _PfFrameType {
109   PFFT_FILTER = 1,PFFT_FRAG = 2,PFFT_SPOOF = 3
110 } PFFRAMETYPE,*PPFFRAMETYPE;
111 
112 typedef struct _pfLogFrame {
113   LARGE_INTEGER Timestamp;
114   PFFRAMETYPE pfeTypeOfFrame;
115   DWORD dwTotalSizeUsed;
116   DWORD dwFilterRule;
117   WORD wSizeOfAdditionalData;
118   WORD wSizeOfIpHeader;
119   DWORD dwInterfaceName;
120   DWORD dwIPIndex;
121   BYTE bPacketData[1];
122 } PFLOGFRAME,*PPFLOGFRAME;
123 
124 #define ERROR_BASE 23000
125 
126 #define PFERROR_NO_PF_INTERFACE (ERROR_BASE + 0)
127 #define PFERROR_NO_FILTERS_GIVEN (ERROR_BASE + 1)
128 #define PFERROR_BUFFER_TOO_SMALL (ERROR_BASE + 2)
129 #define ERROR_IPV6_NOT_IMPLEMENTED (ERROR_BASE + 3)
130 
131 PFAPIENTRY PfCreateInterface(DWORD dwName,PFFORWARD_ACTION inAction,PFFORWARD_ACTION outAction,WINBOOL bUseLog,WINBOOL bMustBeUnique,INTERFACE_HANDLE *ppInterface);
132 PFAPIENTRY PfDeleteInterface(INTERFACE_HANDLE pInterface);
133 PFAPIENTRY PfAddFiltersToInterface(INTERFACE_HANDLE ih,DWORD cInFilters,PPF_FILTER_DESCRIPTOR pfiltIn,DWORD cOutFilters,PPF_FILTER_DESCRIPTOR pfiltOut,PFILTER_HANDLE pfHandle);
134 PFAPIENTRY PfRemoveFiltersFromInterface(INTERFACE_HANDLE ih,DWORD cInFilters,PPF_FILTER_DESCRIPTOR pfiltIn,DWORD cOutFilters,PPF_FILTER_DESCRIPTOR pfiltOut);
135 PFAPIENTRY PfRemoveFilterHandles(INTERFACE_HANDLE pInterface,DWORD cFilters,PFILTER_HANDLE pvHandles);
136 PFAPIENTRY PfUnBindInterface(INTERFACE_HANDLE pInterface);
137 PFAPIENTRY PfBindInterfaceToIndex(INTERFACE_HANDLE pInterface,DWORD dwIndex,PFADDRESSTYPE pfatLinkType,PBYTE LinkIPAddress);
138 PFAPIENTRY PfBindInterfaceToIPAddress(INTERFACE_HANDLE pInterface,PFADDRESSTYPE pfatType,PBYTE IPAddress);
139 PFAPIENTRY PfRebindFilters(INTERFACE_HANDLE pInterface,PPF_LATEBIND_INFO pLateBindInfo);
140 PFAPIENTRY PfAddGlobalFilterToInterface(INTERFACE_HANDLE pInterface,GLOBAL_FILTER gfFilter);
141 PFAPIENTRY PfRemoveGlobalFilterFromInterface(INTERFACE_HANDLE pInterface,GLOBAL_FILTER gfFilter);
142 PFAPIENTRY PfMakeLog(HANDLE hEvent);
143 PFAPIENTRY PfSetLogBuffer(PBYTE pbBuffer,DWORD dwSize,DWORD dwThreshold,DWORD dwEntries,PDWORD pdwLoggedEntries,PDWORD pdwLostEntries,PDWORD pdwSizeUsed);
144 PFAPIENTRY PfDeleteLog(VOID);
145 PFAPIENTRY PfGetInterfaceStatistics(INTERFACE_HANDLE pInterface,PPF_INTERFACE_STATS ppfStats,PDWORD pdwBufferSize,WINBOOL fResetCounters);
146 PFAPIENTRY PfTestPacket(INTERFACE_HANDLE pInInterface,INTERFACE_HANDLE pOutInterface,DWORD cBytes,PBYTE pbPacket,PPFFORWARD_ACTION ppAction);
147 
148 #endif /* WINAPI_PARTION_DESKTOP.  */
149 
150 #endif
151