mirror of
https://github.com/SoftEtherVPN/SoftEtherVPN.git
synced 2026-04-20 13:59:26 +03:00
Cedar: replace "Interop_" and "IPsec_" with "Proto_" in the protocol-specific source/header files' names
"IPsec_IPC" has been renamed to "IPC" because it's not related to third-party protocols.
This commit is contained in:
Davide Beatrici
@@ -0,0 +1,262 @@
|
||||
// SoftEther VPN Source Code - Developer Edition Master Branch
|
||||
// Cedar Communication Module
|
||||
//
|
||||
// SoftEther VPN Server, Client and Bridge are free software under GPLv2.
|
||||
//
|
||||
// Copyright (c) Daiyuu Nobori.
|
||||
// Copyright (c) SoftEther VPN Project, University of Tsukuba, Japan.
|
||||
// Copyright (c) SoftEther Corporation.
|
||||
//
|
||||
// All Rights Reserved.
|
||||
//
|
||||
// http://www.softether.org/
|
||||
//
|
||||
// Author: Daiyuu Nobori, Ph.D.
|
||||
// Comments: Tetsuo Sugiyama, Ph.D.
|
||||
//
|
||||
// This program is free software; you can redistribute it and/or
|
||||
// modify it under the terms of the GNU General Public License
|
||||
// version 2 as published by the Free Software Foundation.
|
||||
//
|
||||
// This program is distributed in the hope that it will be useful,
|
||||
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
// GNU General Public License for more details.
|
||||
//
|
||||
// You should have received a copy of the GNU General Public License version 2
|
||||
// along with this program; if not, write to the Free Software
|
||||
// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
||||
//
|
||||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
|
||||
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
||||
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
|
||||
// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
|
||||
// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
|
||||
// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
|
||||
// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
|
||||
//
|
||||
// THE LICENSE AGREEMENT IS ATTACHED ON THE SOURCE-CODE PACKAGE
|
||||
// AS "LICENSE.TXT" FILE. READ THE TEXT FILE IN ADVANCE TO USE THE SOFTWARE.
|
||||
//
|
||||
//
|
||||
// THIS SOFTWARE IS DEVELOPED IN JAPAN, AND DISTRIBUTED FROM JAPAN,
|
||||
// UNDER JAPANESE LAWS. YOU MUST AGREE IN ADVANCE TO USE, COPY, MODIFY,
|
||||
// MERGE, PUBLISH, DISTRIBUTE, SUBLICENSE, AND/OR SELL COPIES OF THIS
|
||||
// SOFTWARE, THAT ANY JURIDICAL DISPUTES WHICH ARE CONCERNED TO THIS
|
||||
// SOFTWARE OR ITS CONTENTS, AGAINST US (SOFTETHER PROJECT, SOFTETHER
|
||||
// CORPORATION, DAIYUU NOBORI OR OTHER SUPPLIERS), OR ANY JURIDICAL
|
||||
// DISPUTES AGAINST US WHICH ARE CAUSED BY ANY KIND OF USING, COPYING,
|
||||
// MODIFYING, MERGING, PUBLISHING, DISTRIBUTING, SUBLICENSING, AND/OR
|
||||
// SELLING COPIES OF THIS SOFTWARE SHALL BE REGARDED AS BE CONSTRUED AND
|
||||
// CONTROLLED BY JAPANESE LAWS, AND YOU MUST FURTHER CONSENT TO
|
||||
// EXCLUSIVE JURISDICTION AND VENUE IN THE COURTS SITTING IN TOKYO,
|
||||
// JAPAN. YOU MUST WAIVE ALL DEFENSES OF LACK OF PERSONAL JURISDICTION
|
||||
// AND FORUM NON CONVENIENS. PROCESS MAY BE SERVED ON EITHER PARTY IN
|
||||
// THE MANNER AUTHORIZED BY APPLICABLE LAW OR COURT RULE.
|
||||
//
|
||||
// USE ONLY IN JAPAN. DO NOT USE THIS SOFTWARE IN ANOTHER COUNTRY UNLESS
|
||||
// YOU HAVE A CONFIRMATION THAT THIS SOFTWARE DOES NOT VIOLATE ANY
|
||||
// CRIMINAL LAWS OR CIVIL RIGHTS IN THAT PARTICULAR COUNTRY. USING THIS
|
||||
// SOFTWARE IN OTHER COUNTRIES IS COMPLETELY AT YOUR OWN RISK. THE
|
||||
// SOFTETHER VPN PROJECT HAS DEVELOPED AND DISTRIBUTED THIS SOFTWARE TO
|
||||
// COMPLY ONLY WITH THE JAPANESE LAWS AND EXISTING CIVIL RIGHTS INCLUDING
|
||||
// PATENTS WHICH ARE SUBJECTS APPLY IN JAPAN. OTHER COUNTRIES' LAWS OR
|
||||
// CIVIL RIGHTS ARE NONE OF OUR CONCERNS NOR RESPONSIBILITIES. WE HAVE
|
||||
// NEVER INVESTIGATED ANY CRIMINAL REGULATIONS, CIVIL LAWS OR
|
||||
// INTELLECTUAL PROPERTY RIGHTS INCLUDING PATENTS IN ANY OF OTHER 200+
|
||||
// COUNTRIES AND TERRITORIES. BY NATURE, THERE ARE 200+ REGIONS IN THE
|
||||
// WORLD, WITH DIFFERENT LAWS. IT IS IMPOSSIBLE TO VERIFY EVERY
|
||||
// COUNTRIES' LAWS, REGULATIONS AND CIVIL RIGHTS TO MAKE THE SOFTWARE
|
||||
// COMPLY WITH ALL COUNTRIES' LAWS BY THE PROJECT. EVEN IF YOU WILL BE
|
||||
// SUED BY A PRIVATE ENTITY OR BE DAMAGED BY A PUBLIC SERVANT IN YOUR
|
||||
// COUNTRY, THE DEVELOPERS OF THIS SOFTWARE WILL NEVER BE LIABLE TO
|
||||
// RECOVER OR COMPENSATE SUCH DAMAGES, CRIMINAL OR CIVIL
|
||||
// RESPONSIBILITIES. NOTE THAT THIS LINE IS NOT LICENSE RESTRICTION BUT
|
||||
// JUST A STATEMENT FOR WARNING AND DISCLAIMER.
|
||||
//
|
||||
//
|
||||
// SOURCE CODE CONTRIBUTION
|
||||
// ------------------------
|
||||
//
|
||||
// Your contribution to SoftEther VPN Project is much appreciated.
|
||||
// Please send patches to us through GitHub.
|
||||
// Read the SoftEther VPN Patch Acceptance Policy in advance:
|
||||
// http://www.softether.org/5-download/src/9.patch
|
||||
//
|
||||
//
|
||||
// DEAR SECURITY EXPERTS
|
||||
// ---------------------
|
||||
//
|
||||
// If you find a bug or a security vulnerability please kindly inform us
|
||||
// about the problem immediately so that we can fix the security problem
|
||||
// to protect a lot of users around the world as soon as possible.
|
||||
//
|
||||
// Our e-mail address for security reports is:
|
||||
// softether-vpn-security [at] softether.org
|
||||
//
|
||||
// Please note that the above e-mail address is not a technical support
|
||||
// inquiry address. If you need technical assistance, please visit
|
||||
// http://www.softether.org/ and ask your question on the users forum.
|
||||
//
|
||||
// Thank you for your cooperation.
|
||||
//
|
||||
//
|
||||
// NO MEMORY OR RESOURCE LEAKS
|
||||
// ---------------------------
|
||||
//
|
||||
// The memory-leaks and resource-leaks verification under the stress
|
||||
// test has been passed before release this source code.
|
||||
|
||||
|
||||
// Proto_SSTP.h
|
||||
// Header of Proto_SSTP.c
|
||||
|
||||
#ifndef PROTO_SSTP_H
|
||||
#define PROTO_SSTP_H
|
||||
|
||||
//// Constants
|
||||
#define SSTP_URI "/sra_{BA195980-CD49-458b-9E23-C84EE0ADCD75}/" // SSTP HTTPS URI
|
||||
#define SSTP_VERSION_1 0x10 // SSTP Version 1.0
|
||||
#define MAX_SSTP_PACKET_SIZE 4096 // Maximum packet size
|
||||
#define SSTP_IPC_CLIENT_NAME "Microsoft SSTP VPN Client"
|
||||
#define SSTP_IPC_POSTFIX "SSTP"
|
||||
#define SSTP_ECHO_SEND_INTERVAL_MIN 2500 // Transmission interval of Echo Request (minimum)
|
||||
#define SSTP_ECHO_SEND_INTERVAL_MAX 4792 // Transmission interval of Echo Request (maximum)
|
||||
#define SSTP_TIMEOUT 10000 // Communication time-out of SSTP
|
||||
|
||||
// SSTP Message Type
|
||||
#define SSTP_MSG_CALL_CONNECT_REQUEST 0x0001
|
||||
#define SSTP_MSG_CALL_CONNECT_ACK 0x0002
|
||||
#define SSTP_MSG_CALL_CONNECT_NAK 0x0003
|
||||
#define SSTP_MSG_CALL_CONNECTED 0x0004
|
||||
#define SSTP_MSG_CALL_ABORT 0x0005
|
||||
#define SSTP_MSG_CALL_DISCONNECT 0x0006
|
||||
#define SSTP_MSG_CALL_DISCONNECT_ACK 0x0007
|
||||
#define SSTP_MSG_ECHO_REQUEST 0x0008
|
||||
#define SSTP_MSG_ECHO_RESPONSE 0x0009
|
||||
|
||||
// SSTP Attribute ID
|
||||
#define SSTP_ATTRIB_NO_ERROR 0x00
|
||||
#define SSTP_ATTRIB_ENCAPSULATED_PROTOCOL_ID 0x01
|
||||
#define SSTP_ATTRIB_STATUS_INFO 0x02
|
||||
#define SSTP_ATTRIB_CRYPTO_BINDING 0x03
|
||||
#define SSTP_ATTRIB_CRYPTO_BINDING_REQ 0x04
|
||||
|
||||
// Protocol ID
|
||||
#define SSTP_ENCAPSULATED_PROTOCOL_PPP 0x0001
|
||||
|
||||
// Hash Protocol Bitmask
|
||||
#define CERT_HASH_PROTOCOL_SHA1 0x01
|
||||
#define CERT_HASH_PROTOCOL_SHA256 0x02
|
||||
|
||||
// Status
|
||||
#define ATTRIB_STATUS_NO_ERROR 0x00000000
|
||||
#define ATTRIB_STATUS_DUPLICATE_ATTRIBUTE 0x00000001
|
||||
#define ATTRIB_STATUS_UNRECOGNIZED_ATTRIBUTE 0x00000002
|
||||
#define ATTRIB_STATUS_INVALID_ATTRIB_VALUE_LENGTH 0x00000003
|
||||
#define ATTRIB_STATUS_VALUE_NOT_SUPPORTED 0x00000004
|
||||
#define ATTRIB_STATUS_UNACCEPTED_FRAME_RECEIVED 0x00000005
|
||||
#define ATTRIB_STATUS_RETRY_COUNT_EXCEEDED 0x00000006
|
||||
#define ATTRIB_STATUS_INVALID_FRAME_RECEIVED 0x00000007
|
||||
#define ATTRIB_STATUS_NEGOTIATION_TIMEOUT 0x00000008
|
||||
#define ATTRIB_STATUS_ATTRIB_NOT_SUPPORTED_IN_MSG 0x00000009
|
||||
#define ATTRIB_STATUS_REQUIRED_ATTRIBUTE_MISSING 0x0000000A
|
||||
#define ATTRIB_STATUS_STATUS_INFO_NOT_SUPPORTED_IN_MSG 0x0000000B
|
||||
|
||||
// State of SSTP Server
|
||||
#define SSTP_SERVER_STATUS_REQUEST_PENGING 0 // Connection incomplete
|
||||
#define SSTP_SERVER_STATUS_CONNECTED_PENDING 1 // Connection completed. Authentication incomplete
|
||||
#define SSTP_SERVER_STATUS_ESTABLISHED 2 // Connection completed. Communication available
|
||||
|
||||
// Length of Nonce
|
||||
#define SSTP_NONCE_SIZE 32 // 256 bits
|
||||
|
||||
|
||||
//// Type
|
||||
|
||||
// SSTP Attribute
|
||||
struct SSTP_ATTRIBUTE
|
||||
{
|
||||
UCHAR AttributeId;
|
||||
UCHAR *Data;
|
||||
UINT DataSize;
|
||||
UINT TotalLength;
|
||||
};
|
||||
|
||||
// SSTP Packet
|
||||
struct SSTP_PACKET
|
||||
{
|
||||
UCHAR Version;
|
||||
bool IsControl;
|
||||
UCHAR *Data;
|
||||
UINT DataSize;
|
||||
USHORT MessageType;
|
||||
LIST *AttributeList;
|
||||
};
|
||||
|
||||
// SSTP Server
|
||||
struct SSTP_SERVER
|
||||
{
|
||||
CEDAR *Cedar;
|
||||
UINT64 Now;
|
||||
IP ClientIp, ServerIp;
|
||||
UINT ClientPort, ServerPort;
|
||||
char ClientHostName[MAX_HOST_NAME_LEN + 1];
|
||||
char ClientCipherName[MAX_SIZE];
|
||||
SOCK_EVENT *SockEvent;
|
||||
QUEUE *RecvQueue; // Receive queue
|
||||
QUEUE *SendQueue; // Transmission queue
|
||||
INTERRUPT_MANAGER *Interrupt; // Interrupt manager
|
||||
bool Aborting; // Forced disconnection flag
|
||||
bool AbortSent; // Flag of whether to send the Abort
|
||||
bool AbortReceived; // Flag of whether the Abort has been received
|
||||
bool Disconnecting; // Disconnecting flag
|
||||
bool DisconnectSent; // Flag of whether to send a Disconnect
|
||||
bool DisconnectRecved; // Flag of whether a Disconnect has been received
|
||||
bool Disconnected; // Flag as to disconnect
|
||||
UINT Status; // State
|
||||
UCHAR SentNonce[SSTP_NONCE_SIZE]; // Random data sent
|
||||
TUBE *TubeRecv, *TubeSend; // Delivery tube of packets to PPP module
|
||||
THREAD *PPPThread; // PPP module thread
|
||||
UINT64 NextSendEchoRequestTick; // Time to send the next Echo Request
|
||||
UINT64 LastRecvTick; // Tick when some data has received at the end
|
||||
bool FlushRecvTube; // Flag whether to flush the reception tube
|
||||
UINT EstablishedCount; // Number of session establishment
|
||||
};
|
||||
|
||||
|
||||
//// Function prototype
|
||||
bool AcceptSstp(CONNECTION *c);
|
||||
bool ProcessSstpHttps(CEDAR *cedar, SOCK *s, SOCK_EVENT *se);
|
||||
|
||||
SSTP_SERVER *NewSstpServer(CEDAR *cedar, IP *client_ip, UINT client_port, IP *server_ip,
|
||||
UINT server_port, SOCK_EVENT *se,
|
||||
char *client_host_name, char *crypt_name);
|
||||
void FreeSstpServer(SSTP_SERVER *s);
|
||||
void SstpProcessInterrupt(SSTP_SERVER *s);
|
||||
SSTP_PACKET *SstpParsePacket(UCHAR *data, UINT size);
|
||||
LIST *SstpParseAttributeList(UCHAR *data, UINT size, SSTP_PACKET *p);
|
||||
SSTP_ATTRIBUTE *SstpParseAttribute(UCHAR *data, UINT size);
|
||||
void SstpFreeAttribute(SSTP_ATTRIBUTE *a);
|
||||
void SstpFreeAttributeList(LIST *o);
|
||||
void SstpFreePacket(SSTP_PACKET *p);
|
||||
BUF *SstpBuildPacket(SSTP_PACKET *p);
|
||||
BUF *SstpBuildAttributeList(LIST *o, USHORT message_type);
|
||||
BUF *SstpBuildAttribute(SSTP_ATTRIBUTE *a);
|
||||
void SstpAbort(SSTP_SERVER *s);
|
||||
void SstpDisconnect(SSTP_SERVER *s);
|
||||
void SstpProcessPacket(SSTP_SERVER *s, SSTP_PACKET *p);
|
||||
void SstpProcessControlPacket(SSTP_SERVER *s, SSTP_PACKET *p);
|
||||
void SstpProcessDataPacket(SSTP_SERVER *s, SSTP_PACKET *p);
|
||||
SSTP_ATTRIBUTE *SstpFindAttribute(SSTP_PACKET *p, UCHAR attribute_id);
|
||||
SSTP_ATTRIBUTE *SstpNewAttribute(UCHAR attribute_id, UCHAR *data, UINT data_size);
|
||||
SSTP_ATTRIBUTE *SstpNewStatusInfoAttribute(UCHAR attrib_id, UINT status);
|
||||
SSTP_ATTRIBUTE *SstpNewCryptoBindingRequestAttribute(UCHAR hash_protocol_bitmask, UCHAR *nonce_32bytes);
|
||||
SSTP_PACKET *SstpNewDataPacket(UCHAR *data, UINT size);
|
||||
SSTP_PACKET *SstpNewControlPacket(USHORT message_type);
|
||||
SSTP_PACKET *SstpNewControlPacketWithAnAttribute(USHORT message_type, SSTP_ATTRIBUTE *a);
|
||||
void SstpSendPacket(SSTP_SERVER *s, SSTP_PACKET *p);
|
||||
bool GetNoSstp();
|
||||
void SetNoSstp(bool b);
|
||||
|
||||
#endif // PROTO_SSTP_H
|
||||
Reference in New Issue
Block a user