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v4.03-9408-rtm
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dnobori
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src/Cedar/Protocol.h
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270
src/Cedar/Protocol.h
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// SoftEther VPN Source Code
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// Cedar Communication Module
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//
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// SoftEther VPN Server, Client and Bridge are free software under GPLv2.
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//
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// Copyright (c) 2012-2014 Daiyuu Nobori.
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// Copyright (c) 2012-2014 SoftEther VPN Project, University of Tsukuba, Japan.
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// Copyright (c) 2012-2014 SoftEther Corporation.
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//
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// All Rights Reserved.
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//
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// http://www.softether.org/
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//
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// Author: Daiyuu Nobori
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// Comments: Tetsuo Sugiyama, Ph.D.
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//
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License
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// version 2 as published by the Free Software Foundation.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License version 2
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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// SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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// THE LICENSE AGREEMENT IS ATTACHED ON THE SOURCE-CODE PACKAGE
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// AS "LICENSE.TXT" FILE. READ THE TEXT FILE IN ADVANCE TO USE THE SOFTWARE.
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//
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//
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// THIS SOFTWARE IS DEVELOPED IN JAPAN, AND DISTRIBUTED FROM JAPAN,
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// UNDER JAPANESE LAWS. YOU MUST AGREE IN ADVANCE TO USE, COPY, MODIFY,
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// MERGE, PUBLISH, DISTRIBUTE, SUBLICENSE, AND/OR SELL COPIES OF THIS
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// SOFTWARE, THAT ANY JURIDICAL DISPUTES WHICH ARE CONCERNED TO THIS
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// SOFTWARE OR ITS CONTENTS, AGAINST US (SOFTETHER PROJECT, SOFTETHER
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// CORPORATION, DAIYUU NOBORI OR OTHER SUPPLIERS), OR ANY JURIDICAL
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// DISPUTES AGAINST US WHICH ARE CAUSED BY ANY KIND OF USING, COPYING,
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// MODIFYING, MERGING, PUBLISHING, DISTRIBUTING, SUBLICENSING, AND/OR
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// SELLING COPIES OF THIS SOFTWARE SHALL BE REGARDED AS BE CONSTRUED AND
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// CONTROLLED BY JAPANESE LAWS, AND YOU MUST FURTHER CONSENT TO
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// EXCLUSIVE JURISDICTION AND VENUE IN THE COURTS SITTING IN TOKYO,
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// JAPAN. YOU MUST WAIVE ALL DEFENSES OF LACK OF PERSONAL JURISDICTION
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// AND FORUM NON CONVENIENS. PROCESS MAY BE SERVED ON EITHER PARTY IN
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// THE MANNER AUTHORIZED BY APPLICABLE LAW OR COURT RULE.
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//
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// USE ONLY IN JAPAN. DO NOT USE IT IN OTHER COUNTRIES. IMPORTING THIS
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// SOFTWARE INTO OTHER COUNTRIES IS AT YOUR OWN RISK. SOME COUNTRIES
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// PROHIBIT ENCRYPTED COMMUNICATIONS. USING THIS SOFTWARE IN OTHER
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// COUNTRIES MIGHT BE RESTRICTED.
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//
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//
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// DEAR SECURITY EXPERTS
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// ---------------------
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//
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// If you find a bug or a security vulnerability please kindly inform us
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// about the problem immediately so that we can fix the security problem
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// to protect a lot of users around the world as soon as possible.
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//
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// Our e-mail address for security reports is:
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// softether-vpn-security [at] softether.org
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//
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// Please note that the above e-mail address is not a technical support
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// inquiry address. If you need technical assistance, please visit
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// http://www.softether.org/ and ask your question on the users forum.
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//
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// Thank you for your cooperation.
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// Protocol.h
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// Header of Protocol.c
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#ifndef PROTOCOL_H
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#define PROTOCOL_H
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// The parameters that will be passed to the certificate confirmation thread
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struct CHECK_CERT_THREAD_PROC
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{
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CONNECTION *Connection;
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X *ServerX;
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CHECK_CERT_PROC *CheckCertProc;
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bool UserSelected;
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bool Exipred;
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bool Ok;
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};
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// The parameters that will be passed to the secure device signature thread
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struct SECURE_SIGN_THREAD_PROC
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{
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SECURE_SIGN_PROC *SecureSignProc;
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CONNECTION *Connection;
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SECURE_SIGN *SecureSign;
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bool UserFinished;
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bool Ok;
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};
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// Signature sending thread parameters
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struct SEND_SIGNATURE_PARAM
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{
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char Hostname[MAX_PATH]; // Host name
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UINT Port; // Port number
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BUF *Buffer; // Packet contents
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};
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// Software update client callback
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typedef void (UPDATE_NOTIFY_PROC)(UPDATE_CLIENT *c, UINT latest_build, UINT64 latest_date, char *latest_ver, char *url, volatile bool *halt_flag, void *param);
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typedef bool (UPDATE_ISFOREGROUND_PROC)(UPDATE_CLIENT *c, void *param);
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// Configure the software update client
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struct UPDATE_CLIENT_SETTING
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{
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bool DisableCheck; // Disable the update check
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UINT LatestIgnoreBuild; // Ignore for earlier or identical to this build number
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};
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// Software update client
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struct UPDATE_CLIENT
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{
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char FamilyName[MAX_SIZE]; // Product family name
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char SoftwareName[MAX_SIZE]; // Software Name
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wchar_t SoftwareTitle[MAX_SIZE]; // Software display name
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char ClientId[128]; // Client ID
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UINT MyBuild; // Build number of myself
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UINT64 MyDate; // Build date of myself
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char MyLanguage[MAX_SIZE]; // My language
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UPDATE_CLIENT_SETTING Setting; // Setting
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UINT LatestBuild; // Latest build number that was successfully acquired
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volatile bool HaltFlag; // Halting flag
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EVENT *HaltEvent; // Halting event
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void *Param; // Any parameters
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THREAD *Thread; // Thread
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UPDATE_NOTIFY_PROC *Callback; // Callback function
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UPDATE_ISFOREGROUND_PROC *IsForegroundCb; // Callback function for retrieving whether foreground
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};
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//// Constant related to updating of the software
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// Family
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#define UPDATE_FAMILY_NAME _SS("PRODUCT_FAMILY_NAME")
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// Software update server certificate hash
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#define UPDATE_SERVER_CERT_HASH "EFAC5FA0CDD14E0F864EED58A73C35D7E33B62F3"
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// URL
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#define UPDATE_SERVER_URL_GLOBAL "https://update-check.softether-network.net/update/update.aspx?family=%s&software=%s&mybuild=%u&lang=%s"
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#define UPDATE_SERVER_URL_CHINA "https://update-check.uxcom.jp/update/update.aspx?family=%s&software=%s&mybuild=%u&lang=%s"
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// Update check interval
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#define UPDATE_CHECK_INTERVAL_MIN (12 * 3600 * 1000)
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#define UPDATE_CHECK_INTERVAL_MAX (24 * 7200 * 1000)
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// Connection parameters
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#define UPDATE_CONNECT_TIMEOUT 5000
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#define UPDATE_COMM_TIMEOUT 5000
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// Function prototype
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UPDATE_CLIENT *NewUpdateClient(UPDATE_NOTIFY_PROC *cb, UPDATE_ISFOREGROUND_PROC *isforeground_cb, void *param, char *family_name, char *software_name, wchar_t *software_title, UINT my_build, UINT64 my_date, char *my_lang, UPDATE_CLIENT_SETTING *current_setting, char *client_id);
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void FreeUpdateClient(UPDATE_CLIENT *c);
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void UpdateClientThreadProc(THREAD *thread, void *param);
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void UpdateClientThreadMain(UPDATE_CLIENT *c);
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void UpdateClientThreadProcessResults(UPDATE_CLIENT *c, BUF *b);
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void SetUpdateClientSetting(UPDATE_CLIENT *c, UPDATE_CLIENT_SETTING *s);
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UINT64 ShortStrToDate64(char *str);
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bool ServerAccept(CONNECTION *c);
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bool ClientConnect(CONNECTION *c);
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SOCK *ClientConnectToServer(CONNECTION *c);
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SOCK *TcpIpConnect(char *hostname, UINT port, bool try_start_ssl, bool ssl_no_tls);
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SOCK *TcpIpConnectEx(char *hostname, UINT port, bool *cancel_flag, void *hWnd, UINT *nat_t_error_code, bool no_nat_t, bool try_start_ssl, bool ssl_no_tls);
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bool ClientUploadSignature(SOCK *s);
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bool ClientDownloadHello(CONNECTION *c, SOCK *s);
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bool ServerDownloadSignature(CONNECTION *c, char **error_detail_str);
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bool ServerUploadHello(CONNECTION *c);
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bool ClientUploadAuth(CONNECTION *c);
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SOCK *ClientConnectGetSocket(CONNECTION *c, bool additional_connect, bool no_tls);
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SOCK *TcpConnectEx2(char *hostname, UINT port, UINT timeout, bool *cancel_flag, void *hWnd, bool try_start_ssl, bool ssl_no_tls);
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SOCK *TcpConnectEx3(char *hostname, UINT port, UINT timeout, bool *cancel_flag, void *hWnd, bool no_nat_t, UINT *nat_t_error_code, bool try_start_ssl, bool ssl_no_tls);
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void InitProtocol();
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void FreeProtocol();
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POLICY *PackGetPolicy(PACK *p);
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void PackAddPolicy(PACK *p, POLICY *y);
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PACK *PackWelcome(SESSION *s);
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PACK *PackHello(void *random, UINT ver, UINT build, char *server_str);
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bool GetHello(PACK *p, void *random, UINT *ver, UINT *build, char *server_str, UINT server_str_size);
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PACK *PackLoginWithAnonymous(char *hubname, char *username);
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PACK *PackLoginWithPassword(char *hubname, char *username, void *secure_password);
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PACK *PackLoginWithPlainPassword(char *hubname, char *username, void *plain_password);
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PACK *PackLoginWithCert(char *hubname, char *username, X *x, void *sign, UINT sign_size);
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bool GetMethodFromPack(PACK *p, char *method, UINT size);
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bool GetHubnameAndUsernameFromPack(PACK *p, char *username, UINT username_size,
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char *hubname, UINT hubname_size);
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PACK *PackAdditionalConnect(UCHAR *session_key);
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UINT GetAuthTypeFromPack(PACK *p);
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UINT GetProtocolFromPack(PACK *p);
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bool ParseWelcomeFromPack(PACK *p, char *session_name, UINT session_name_size,
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char *connection_name, UINT connection_name_size,
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POLICY **policy);
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bool ClientAdditionalConnect(CONNECTION *c, THREAD *t);
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SOCK *ClientAdditionalConnectToServer(CONNECTION *c);
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bool ClientUploadAuth2(CONNECTION *c, SOCK *s);
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bool GetSessionKeyFromPack(PACK *p, UCHAR *session_key, UINT *session_key_32);
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void GenerateRC4KeyPair(RC4_KEY_PAIR *k);
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SOCK *ProxyConnect(CONNECTION *c, char *proxy_host_name, UINT proxy_port,
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char *server_host_name, UINT server_port,
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char *username, char *password, bool additional_connect);
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SOCK *ProxyConnectEx(CONNECTION *c, char *proxy_host_name, UINT proxy_port,
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char *server_host_name, UINT server_port,
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char *username, char *password, bool additional_connect,
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bool *cancel_flag, void *hWnd);
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SOCK *ProxyConnectEx2(CONNECTION *c, char *proxy_host_name, UINT proxy_port,
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char *server_host_name, UINT server_port,
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char *username, char *password, bool additional_connect,
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bool *cancel_flag, void *hWnd, UINT timeout);
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SOCK *SocksConnect(CONNECTION *c, char *proxy_host_name, UINT proxy_port,
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char *server_host_name, UINT server_port,
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char *username, bool additional_connect);
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SOCK *SocksConnectEx(CONNECTION *c, char *proxy_host_name, UINT proxy_port,
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char *server_host_name, UINT server_port,
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char *username, bool additional_connect,
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bool *cancel_flag, void *hWnd);
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SOCK *SocksConnectEx2(CONNECTION *c, char *proxy_host_name, UINT proxy_port,
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char *server_host_name, UINT server_port,
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char *username, bool additional_connect,
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bool *cancel_flag, void *hWnd, UINT timeout);
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bool SocksSendRequestPacket(CONNECTION *c, SOCK *s, UINT dest_port, IP *dest_ip, char *userid);
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bool SocksRecvResponsePacket(CONNECTION *c, SOCK *s);
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void CreateNodeInfo(NODE_INFO *info, CONNECTION *c);
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UINT SecureSign(SECURE_SIGN *sign, UINT device_id, char *pin);
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void ClientUploadNoop(CONNECTION *c);
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bool ClientCheckServerCert(CONNECTION *c, bool *expired);
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void ClientCheckServerCertThread(THREAD *thread, void *param);
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bool ClientSecureSign(CONNECTION *c, UCHAR *sign, UCHAR *random, X **x);
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void ClientSecureSignThread(THREAD *thread, void *param);
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UINT SecureWrite(UINT device_id, char *cert_name, X *x, char *key_name, K *k, char *pin);
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UINT SecureEnum(UINT device_id, char *pin, TOKEN_LIST **cert_list, TOKEN_LIST **key_list);
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UINT SecureDelete(UINT device_id, char *pin, char *cert_name, char *key_name);
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TOKEN_LIST *EnumHub(SESSION *s);
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UINT ChangePasswordAccept(CONNECTION *c, PACK *p);
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UINT ChangePassword(CEDAR *cedar, CLIENT_OPTION *o, char *hubname, char *username, char *old_pass, char *new_pass);
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void PackAddClientVersion(PACK *p, CONNECTION *c);
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void NodeInfoToStr(wchar_t *str, UINT size, NODE_INFO *info);
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void GenerateMachineUniqueHash(void *data);
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#endif // PROTOCOL_H
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// Developed by SoftEther VPN Project at University of Tsukuba in Japan.
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// Department of Computer Science has dozens of overly-enthusiastic geeks.
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// Join us: http://www.tsukuba.ac.jp/english/admission/
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