1 // SoftEther VPN Source Code - Stable Edition Repository
2 // Cedar Communication Module
3 //
4 // SoftEther VPN Server, Client and Bridge are free software under the Apache License, Version 2.0.
5 //
6 // Copyright (c) Daiyuu Nobori.
7 // Copyright (c) SoftEther VPN Project, University of Tsukuba, Japan.
8 // Copyright (c) SoftEther Corporation.
9 // Copyright (c) all contributors on SoftEther VPN project in GitHub.
10 //
11 // All Rights Reserved.
12 //
13 // http://www.softether.org/
14 //
15 // This stable branch is officially managed by Daiyuu Nobori, the owner of SoftEther VPN Project.
16 // Pull requests should be sent to the Developer Edition Master Repository on https://github.com/SoftEtherVPN/SoftEtherVPN
17 //
18 // License: The Apache License, Version 2.0
19 // https://www.apache.org/licenses/LICENSE-2.0
20 //
21 // DISCLAIMER
22 // ==========
23 //
24 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
25 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
26 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
27 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
28 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
29 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
30 // SOFTWARE.
31 //
32 // THIS SOFTWARE IS DEVELOPED IN JAPAN, AND DISTRIBUTED FROM JAPAN, UNDER
33 // JAPANESE LAWS. YOU MUST AGREE IN ADVANCE TO USE, COPY, MODIFY, MERGE, PUBLISH,
34 // DISTRIBUTE, SUBLICENSE, AND/OR SELL COPIES OF THIS SOFTWARE, THAT ANY
35 // JURIDICAL DISPUTES WHICH ARE CONCERNED TO THIS SOFTWARE OR ITS CONTENTS,
36 // AGAINST US (SOFTETHER PROJECT, SOFTETHER CORPORATION, DAIYUU NOBORI OR OTHER
37 // SUPPLIERS), OR ANY JURIDICAL DISPUTES AGAINST US WHICH ARE CAUSED BY ANY KIND
38 // OF USING, COPYING, MODIFYING, MERGING, PUBLISHING, DISTRIBUTING, SUBLICENSING,
39 // AND/OR SELLING COPIES OF THIS SOFTWARE SHALL BE REGARDED AS BE CONSTRUED AND
40 // CONTROLLED BY JAPANESE LAWS, AND YOU MUST FURTHER CONSENT TO EXCLUSIVE
41 // JURISDICTION AND VENUE IN THE COURTS SITTING IN TOKYO, JAPAN. YOU MUST WAIVE
42 // ALL DEFENSES OF LACK OF PERSONAL JURISDICTION AND FORUM NON CONVENIENS.
43 // PROCESS MAY BE SERVED ON EITHER PARTY IN THE MANNER AUTHORIZED BY APPLICABLE
44 // LAW OR COURT RULE.
45 //
46 // USE ONLY IN JAPAN. DO NOT USE THIS SOFTWARE IN ANOTHER COUNTRY UNLESS YOU HAVE
47 // A CONFIRMATION THAT THIS SOFTWARE DOES NOT VIOLATE ANY CRIMINAL LAWS OR CIVIL
48 // RIGHTS IN THAT PARTICULAR COUNTRY. USING THIS SOFTWARE IN OTHER COUNTRIES IS
49 // COMPLETELY AT YOUR OWN RISK. THE SOFTETHER VPN PROJECT HAS DEVELOPED AND
50 // DISTRIBUTED THIS SOFTWARE TO COMPLY ONLY WITH THE JAPANESE LAWS AND EXISTING
51 // CIVIL RIGHTS INCLUDING PATENTS WHICH ARE SUBJECTS APPLY IN JAPAN. OTHER
52 // COUNTRIES' LAWS OR CIVIL RIGHTS ARE NONE OF OUR CONCERNS NOR RESPONSIBILITIES.
53 // WE HAVE NEVER INVESTIGATED ANY CRIMINAL REGULATIONS, CIVIL LAWS OR
54 // INTELLECTUAL PROPERTY RIGHTS INCLUDING PATENTS IN ANY OF OTHER 200+ COUNTRIES
55 // AND TERRITORIES. BY NATURE, THERE ARE 200+ REGIONS IN THE WORLD, WITH
56 // DIFFERENT LAWS. IT IS IMPOSSIBLE TO VERIFY EVERY COUNTRIES' LAWS, REGULATIONS
57 // AND CIVIL RIGHTS TO MAKE THE SOFTWARE COMPLY WITH ALL COUNTRIES' LAWS BY THE
58 // PROJECT. EVEN IF YOU WILL BE SUED BY A PRIVATE ENTITY OR BE DAMAGED BY A
59 // PUBLIC SERVANT IN YOUR COUNTRY, THE DEVELOPERS OF THIS SOFTWARE WILL NEVER BE
60 // LIABLE TO RECOVER OR COMPENSATE SUCH DAMAGES, CRIMINAL OR CIVIL
61 // RESPONSIBILITIES. NOTE THAT THIS LINE IS NOT LICENSE RESTRICTION BUT JUST A
62 // STATEMENT FOR WARNING AND DISCLAIMER.
63 //
64 // READ AND UNDERSTAND THE 'WARNING.TXT' FILE BEFORE USING THIS SOFTWARE.
65 // SOME SOFTWARE PROGRAMS FROM THIRD PARTIES ARE INCLUDED ON THIS SOFTWARE WITH
66 // LICENSE CONDITIONS WHICH ARE DESCRIBED ON THE 'THIRD_PARTY.TXT' FILE.
67 //
68 //
69 // SOURCE CODE CONTRIBUTION
70 // ------------------------
71 //
72 // Your contribution to SoftEther VPN Project is much appreciated.
73 // Please send patches to us through GitHub.
74 // Read the SoftEther VPN Patch Acceptance Policy in advance:
75 // http://www.softether.org/5-download/src/9.patch
76 //
77 //
78 // DEAR SECURITY EXPERTS
79 // ---------------------
80 //
81 // If you find a bug or a security vulnerability please kindly inform us
82 // about the problem immediately so that we can fix the security problem
83 // to protect a lot of users around the world as soon as possible.
84 //
85 // Our e-mail address for security reports is:
86 // softether-vpn-security [at] softether.org
87 //
88 // Please note that the above e-mail address is not a technical support
89 // inquiry address. If you need technical assistance, please visit
90 // http://www.softether.org/ and ask your question on the users forum.
91 //
92 // Thank you for your cooperation.
93 //
94 //
95 // NO MEMORY OR RESOURCE LEAKS
96 // ---------------------------
97 //
98 // The memory-leaks and resource-leaks verification under the stress
99 // test has been passed before release this source code.
100 
101 
102 // BridgeWin32.h
103 // Header of BridgeWin32.c
104 
105 #ifndef	BRIDGEWIN32_H
106 #define	BRIDGEWIN32_H
107 
108 #define	BRIDGE_WIN32_PACKET_DLL		"Packet.dll"
109 #define	BRIDGE_WIN32_PCD_DLL		"|see.dll"
110 #define	BRIDGE_WIN32_PCD_SYS		"|DriverPackages\\See\\x86\\See_x86.sys"
111 #define	BRIDGE_WIN32_PCD_DLL_X64	"|see_x64.dll"
112 #define	BRIDGE_WIN32_PCD_SYS_X64	"|DriverPackages\\See\\x64\\See_x64.sys"
113 #define	BRIDGE_WIN32_PCD_REGKEY		"SYSTEM\\CurrentControlSet\\services\\SEE"
114 #define	BRIDGE_WIN32_PCD_BUILDVALUE	"CurrentInstalledBuild"
115 
116 #define	BRIDGE_WIN32_ETH_BUFFER		(1048576)
117 
118 
119 typedef void *HANDLE;
120 
121 #ifdef	BRIDGE_C
122 
123 // Header for Internal function (for BridgeWin32.c)
124 typedef struct WP
125 {
126 	bool Inited;
127 	HINSTANCE hPacketDll;
128 	PCHAR (*PacketGetVersion)();
129 	PCHAR (*PacketGetDriverVersion)();
130 	BOOLEAN (*PacketSetMinToCopy)(LPADAPTER AdapterObject,int nbytes);
131 	BOOLEAN (*PacketSetNumWrites)(LPADAPTER AdapterObject,int nwrites);
132 	BOOLEAN (*PacketSetMode)(LPADAPTER AdapterObject,int mode);
133 	BOOLEAN (*PacketSetReadTimeout)(LPADAPTER AdapterObject,int timeout);
134 	BOOLEAN (*PacketSetBpf)(LPADAPTER AdapterObject,struct bpf_program *fp);
135 	INT (*PacketSetSnapLen)(LPADAPTER AdapterObject,int snaplen);
136 	BOOLEAN (*PacketGetStats)(LPADAPTER AdapterObject,struct bpf_stat *s);
137 	BOOLEAN (*PacketGetStatsEx)(LPADAPTER AdapterObject,struct bpf_stat *s);
138 	BOOLEAN (*PacketSetBuff)(LPADAPTER AdapterObject,int dim);
139 	BOOLEAN (*PacketGetNetType)(LPADAPTER AdapterObject,NetType *type);
140 	LPADAPTER (*PacketOpenAdapter)(PCHAR AdapterName);
141 	BOOLEAN (*PacketSendPacket)(LPADAPTER AdapterObject,LPPACKET pPacket,BOOLEAN Sync);
142 	INT (*PacketSendPackets)(LPADAPTER AdapterObject,PVOID PacketBuff,ULONG Size, BOOLEAN Sync);
143 	LPPACKET (*PacketAllocatePacket)(void);
144 	VOID (*PacketInitPacket)(LPPACKET lpPacket,PVOID  Buffer,UINT  Length);
145 	VOID (*PacketFreePacket)(LPPACKET lpPacket);
146 	BOOLEAN (*PacketReceivePacket)(LPADAPTER AdapterObject,LPPACKET lpPacket,BOOLEAN Sync);
147 	BOOLEAN (*PacketSetHwFilter)(LPADAPTER AdapterObject,ULONG Filter);
148 	BOOLEAN (*PacketGetAdapterNames)(PTSTR pStr,PULONG  BufferSize);
149 	BOOLEAN (*PacketGetNetInfoEx)(PCHAR AdapterName, npf_if_addr* buffer, PLONG NEntries);
150 	BOOLEAN (*PacketRequest)(LPADAPTER  AdapterObject,BOOLEAN Set,PPACKET_OID_DATA  OidData);
151 	HANDLE (*PacketGetReadEvent)(LPADAPTER AdapterObject);
152 	BOOLEAN (*PacketSetDumpName)(LPADAPTER AdapterObject, void *name, int len);
153 	BOOLEAN (*PacketSetDumpLimits)(LPADAPTER AdapterObject, UINT maxfilesize, UINT maxnpacks);
154 	BOOLEAN (*PacketIsDumpEnded)(LPADAPTER AdapterObject, BOOLEAN sync);
155 	BOOL (*PacketStopDriver)();
156 	VOID (*PacketCloseAdapter)(LPADAPTER lpAdapter);
157 	BOOLEAN (*PacketSetLoopbackBehavior)(LPADAPTER AdapterObject, UINT LoopbackBehavior);
158 } WP;
159 
160 // Adapter list
161 typedef struct WP_ADAPTER
162 {
163 	char Name[MAX_SIZE];
164 	char Title[MAX_SIZE];
165 	char Guid[MAX_SIZE];
166 	UINT Id;
167 } WP_ADAPTER;
168 
169 // Internal function prototype
170 void InitEthAdaptersList();
171 void FreeEthAdaptersList();
172 int CompareWpAdapter(void *p1, void *p2);
173 LIST *GetEthAdapterList();
174 LIST *GetEthAdapterListInternal();
175 bool InitWpWithLoadLibrary(WP *wp, HINSTANCE h);
176 bool IsPcdSupported();
177 HINSTANCE InstallPcdDriver();
178 HINSTANCE InstallPcdDriverInternal();
179 UINT LoadPcdDriverBuild();
180 void SavePcdDriverBuild(UINT build);
181 
182 #endif	// BRIDGE_C
183 
184 typedef struct _ADAPTER ADAPTER;
185 typedef struct _PACKET PACKET;
186 
187 // ETH structure
188 struct ETH
189 {
190 	char *Name;					// Adapter name
191 	char *Title;				// Adapter title
192 	ADAPTER *Adapter;			// Adapter
193 	CANCEL *Cancel;				// Cancel object
194 	UCHAR *Buffer;				// Buffer
195 	UINT BufferSize;			// Buffer size
196 	PACKET *Packet;				// Packet
197 	PACKET *PutPacket;			// Write packet
198 	QUEUE *PacketQueue;			// Packet queue
199 	UINT64 LastSetSingleCpu;	// Date and time set to a single CPU to last
200 	bool LoopbackBlock;			// Whether to block the loop back packet
201 	bool Empty;					// It is empty
202 	UCHAR MacAddress[6];		// MAC address
203 	bool HasFatalError;			// A fatal error occurred on the transmission side
204 
205 	SU *Su;						// SeLow handle
206 	SU_ADAPTER *SuAdapter;		// SeLow adapter handle
207 
208 	// Unused
209 	bool IsRawIpMode;			// RAW IP mode
210 	UCHAR RawIpMyMacAddr[6];
211 	UCHAR RawIpYourMacAddr[6];
212 	IP MyPhysicalIPForce;
213 };
214 
215 // Function prototype
216 void InitEth();
217 void FreeEth();
218 bool IsEthSupported();
219 bool IsEthSupportedInner();
220 TOKEN_LIST *GetEthList();
221 TOKEN_LIST *GetEthListEx(UINT *total_num_including_hidden, bool enum_normal, bool enum_rawip);
222 ETH *OpenEth(char *name, bool local, bool tapmode, char *tapaddr);
223 ETH *OpenEthInternal(char *name, bool local, bool tapmode, char *tapaddr);
224 void CloseEth(ETH *e);
225 CANCEL *EthGetCancel(ETH *e);
226 UINT EthGetPacket(ETH *e, void **data);
227 void EthPutPacket(ETH *e, void *data, UINT size);
228 void EthPutPackets(ETH *e, UINT num, void **datas, UINT *sizes);
229 void GetEthNetworkConnectionName(wchar_t *dst, UINT size, char *device_name);
230 bool IsWin32BridgeWithSee();
231 UINT EthGetMtu(ETH *e);
232 bool EthSetMtu(ETH *e, UINT mtu);
233 bool EthIsChangeMtuSupported(ETH *e);
234 
235 bool Win32EthIsSuSupported();
236 
237 void Win32EthSetShowAllIf(bool b);
238 bool Win32EthGetShowAllIf();
239 
240 bool EnumEthVLanWin32(RPC_ENUM_ETH_VLAN *t);
241 bool GetClassRegKeyWin32(char *key, UINT key_size, char *short_key, UINT short_key_size, char *guid);
242 int CmpRpcEnumEthVLan(void *p1, void *p2);
243 void GetVLanSupportStatus(RPC_ENUM_ETH_VLAN_ITEM *e);
244 void GetVLanEnableStatus(RPC_ENUM_ETH_VLAN_ITEM *e);
245 bool SetVLanEnableStatus(char *title, bool enable);
246 RPC_ENUM_ETH_VLAN_ITEM *FindEthVLanItem(RPC_ENUM_ETH_VLAN *t, char *name);
247 char *SearchDeviceInstanceIdFromShortKey(char *short_key);
248 void Win32EthMakeCombinedName(char *dst, UINT dst_size, char *nicname, char *guid);
249 UINT Win32EthGenIdFromGuid(char *guid);
250 UINT Win32EthGetNameAndIdFromCombinedName(char *name, UINT name_size, char *str);
251 
252 struct WP_ADAPTER *Win32EthSearch(char *name);
253 bool Win32IsUsingSeLow();
254 void Win32SetEnableSeLow(bool b);
255 bool Win32GetEnableSeLow();
256 
257 #endif	// BRIDGEWIN32_H
258 
259 
260