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Diffstat (limited to 'src/Cedar/DDNS.h')
| -rw-r--r-- | src/Cedar/DDNS.h | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/src/Cedar/DDNS.h b/src/Cedar/DDNS.h new file mode 100644 index 00000000..a2c05761 --- /dev/null +++ b/src/Cedar/DDNS.h @@ -0,0 +1,215 @@ +// SoftEther VPN Source Code
+// Cedar Communication Module
+//
+// SoftEther VPN Server, Client and Bridge are free software under GPLv2.
+//
+// Copyright (c) 2012-2014 Daiyuu Nobori.
+// Copyright (c) 2012-2014 SoftEther VPN Project, University of Tsukuba, Japan.
+// Copyright (c) 2012-2014 SoftEther Corporation.
+//
+// All Rights Reserved.
+//
+// http://www.softether.org/
+//
+// Author: Daiyuu Nobori
+// 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 IT IN OTHER COUNTRIES. IMPORTING THIS
+// SOFTWARE INTO OTHER COUNTRIES IS AT YOUR OWN RISK. SOME COUNTRIES
+// PROHIBIT ENCRYPTED COMMUNICATIONS. USING THIS SOFTWARE IN OTHER
+// COUNTRIES MIGHT BE RESTRICTED.
+//
+//
+// 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.
+
+
+// DDNS.h
+// Header of DDNS.c
+
+#ifndef DDNS_H
+#define DDNS_H
+
+// Certificate hash
+#define DDNS_CERT_HASH "EFAC5FA0CDD14E0F864EED58A73C35D7E33B62F3"
+
+// Destination URL
+#define DDNS_URL_V4_GLOBAL "https://x%c.x%c.x%c.x%c.servers.ddns.softether-network.net/ddns/ddns.aspx"
+#define DDNS_URL_V6_GLOBAL "https://x%c.x%c.x%c.x%c.servers-v6.ddns.softether-network.net/ddns/ddns.aspx"
+#define DDNS_URL2_V4_GLOBAL "http://get-my-ip.ddns.softether-network.net/ddns/getmyip.ashx"
+#define DDNS_URL2_V6_GLOBAL "http://get-my-ip-v6.ddns.softether-network.net/ddns/getmyip.ashx"
+
+#define DDNS_REPLACE_URL_FOR_EAST_BFLETS "https://senet-flets.v6.softether.co.jp/ddns/ddns.aspx"
+#define DDNS_REPLACE_URL_FOR_EAST_NGN "https://senet.aoi.flets-east.jp/ddns/ddns.aspx"
+#define DDNS_REPLACE_URL_FOR_WEST_NGN "https://senet.p-ns.flets-west.jp/ddns/ddns.aspx"
+
+#define DDNS_REPLACE_URL2_FOR_EAST_BFLETS "http://senet-flets.v6.softether.co.jp/ddns/getmyip.ashx"
+#define DDNS_REPLACE_URL2_FOR_EAST_NGN "http://senet.aoi.flets-east.jp/ddns/getmyip.ashx"
+#define DDNS_REPLACE_URL2_FOR_WEST_NGN "http://senet.p-ns.flets-west.jp/ddns/getmyip.ashx"
+
+// For China: Free version
+#define DDNS_URL_V4_ALT "https://x%c.x%c.x%c.x%c.servers.ddns.uxcom.jp/ddns/ddns.aspx"
+#define DDNS_URL_V6_ALT "https://x%c.x%c.x%c.x%c.servers-v6.ddns.uxcom.jp/ddns/ddns.aspx"
+#define DDNS_URL2_V4_ALT "http://get-my-ip.ddns.uxcom.jp/ddns/getmyip.ashx"
+#define DDNS_URL2_V6_ALT "http://get-my-ip-v6.ddns.uxcom.jp/ddns/getmyip.ashx"
+
+#define DDNS_RPC_MAX_RECV_SIZE DYN32(DDNS_RPC_MAX_RECV_SIZE, (128 * 1024 * 1024))
+
+// Connection Timeout
+#define DDNS_CONNECT_TIMEOUT DYN32(DDNS_CONNECT_TIMEOUT, (15 * 1000))
+
+// Communication time-out
+#define DDNS_COMM_TIMEOUT DYN32(DDNS_COMM_TIMEOUT, (60 * 1000))
+
+// Maximum length of the host name
+#define DDNS_MAX_HOSTNAME 31
+
+// DDNS Version
+#define DDNS_VERSION 1
+
+// Period until the next registration in case of success
+#define DDNS_REGISTER_INTERVAL_OK_MIN DYN32(DDNS_REGISTER_INTERVAL_OK_MIN, (1 * 60 * 60 * 1000))
+#define DDNS_REGISTER_INTERVAL_OK_MAX DYN32(DDNS_REGISTER_INTERVAL_OK_MAX, (2 * 60 * 60 * 1000))
+
+// Period until the next registration in case of failure
+#define DDNS_REGISTER_INTERVAL_NG_MIN DYN32(DDNS_REGISTER_INTERVAL_NG_MIN, (1 * 60 * 1000))
+#define DDNS_REGISTER_INTERVAL_NG_MAX DYN32(DDNS_REGISTER_INTERVAL_NG_MAX, (5 * 60 * 1000))
+
+// The self IP address acquisition interval (If last trial succeeded)
+#define DDNS_GETMYIP_INTERVAL_OK_MIN DYN32(DDNS_GETMYIP_INTERVAL_OK_MIN, (10 * 60 * 1000))
+#define DDNS_GETMYIP_INTERVAL_OK_MAX DYN32(DDNS_GETMYIP_INTERVAL_OK_MAX, (20 * 60 * 1000))
+
+// The self IP address acquisition interval (If last trial failed)
+#define DDNS_GETMYIP_INTERVAL_NG_MIN DYN32(DDNS_GETMYIP_INTERVAL_NG_MIN, (1 * 60 * 1000))
+#define DDNS_GETMYIP_INTERVAL_NG_MAX DYN32(DDNS_GETMYIP_INTERVAL_NG_MAX, (5 * 60 * 1000))
+
+// Time difference to communicate with the DDNS server after a predetermined time has elapsed since the VPN Azure is disconnected
+#define DDNS_VPN_AZURE_CONNECT_ERROR_DDNS_RETRY_TIME_DIFF DYN32(DDNS_VPN_AZURE_CONNECT_ERROR_DDNS_RETRY_TIME_DIFF, (120 * 1000))
+#define DDNS_VPN_AZURE_CONNECT_ERROR_DDNS_RETRY_TIME_DIFF_MAX DYN32(DDNS_VPN_AZURE_CONNECT_ERROR_DDNS_RETRY_TIME_DIFF_MAX, (10 * 60 * 1000))
+
+// DDNS Client
+struct DDNS_CLIENT
+{
+ CEDAR *Cedar; // Cedar
+ THREAD *Thread; // Thread
+ UCHAR Key[SHA1_SIZE]; // Key
+ LOCK *Lock; // Lock
+ volatile bool Halt; // Halt flag
+ EVENT *Event; // Halt event
+ char CurrentHostName[DDNS_MAX_HOSTNAME + 1]; // Current host name
+ char CurrentFqdn[MAX_SIZE]; // Current FQDN
+ char DnsSuffix[MAX_SIZE]; // DNS suffix
+ char CurrentIPv4[MAX_SIZE]; // Current IPv4 address
+ char CurrentIPv6[MAX_SIZE]; // Current IPv6 address
+ UINT Err_IPv4, Err_IPv6; // Last error
+ UINT Err_IPv4_GetMyIp, Err_IPv6_GetMyIp; // Last error (obtaining self IP address)
+ bool KeyChanged; // Flag to indicate that the key has been changed
+ char LastMyIPv4[MAX_SIZE]; // Self IPv4 address that were acquired on last
+ char LastMyIPv6[MAX_SIZE]; // Self IPv6 address that were acquired on last
+ char CurrentAzureIp[MAX_SIZE]; // IP address of Azure Server to be used
+ UINT64 CurrentAzureTimestamp; // Time stamp to be presented to the Azure Server
+ char CurrentAzureSignature[MAX_SIZE]; // Signature to be presented to the Azure Server
+ char AzureCertHash[MAX_SIZE]; // Azure Server certificate hash
+ INTERNET_SETTING InternetSetting; // Internet connection settings
+
+ UINT64 NextRegisterTick_IPv4, NextRegisterTick_IPv6; // Next register time
+ UINT64 NextGetMyIpTick_IPv4, NextGetMyIpTick_IPv6; // Next self IP acquisition time
+};
+
+// DDNS Register Param
+struct DDNS_REGISTER_PARAM
+{
+ char NewHostname[DDNS_MAX_HOSTNAME + 1]; // Host name after the change
+};
+
+// The current status of the DDNS
+struct DDNS_CLIENT_STATUS
+{
+ UINT Err_IPv4, Err_IPv6; // Last error
+ char CurrentHostName[DDNS_MAX_HOSTNAME + 1]; // Current host name
+ char CurrentFqdn[MAX_SIZE]; // Current FQDN
+ char DnsSuffix[MAX_SIZE]; // DNS suffix
+ char CurrentIPv4[MAX_SIZE]; // Current IPv4 address
+ char CurrentIPv6[MAX_SIZE]; // Current IPv6 address
+ char CurrentAzureIp[MAX_SIZE]; // IP address of Azure Server to be used
+ UINT64 CurrentAzureTimestamp; // Time stamp to be presented to the Azure Server
+ char CurrentAzureSignature[MAX_SIZE]; // Signature to be presented to the Azure Server
+ char AzureCertHash[MAX_SIZE]; // Azure Server certificate hash
+ INTERNET_SETTING InternetSetting; // Internet settings
+};
+
+// Function prototype
+DDNS_CLIENT *NewDDNSClient(CEDAR *cedar, UCHAR *key, INTERNET_SETTING *t);
+void FreeDDNSClient(DDNS_CLIENT *c);
+void DCGenNewKey(UCHAR *key);
+void DCThread(THREAD *thread, void *param);
+UINT DCRegister(DDNS_CLIENT *c, bool ipv6, DDNS_REGISTER_PARAM *p, char *replace_v6);
+UINT DCGetMyIpMain(DDNS_CLIENT *c, bool ipv6, char *dst, UINT dst_size, bool use_ssl, char *replace_v6);
+UINT DCGetMyIp(DDNS_CLIENT *c, bool ipv6, char *dst, UINT dst_size, char *replace_v6);
+void DCUpdateNow(DDNS_CLIENT *c);
+void DCGetStatus(DDNS_CLIENT *c, DDNS_CLIENT_STATUS *st);
+UINT DCChangeHostName(DDNS_CLIENT *c, char *hostname);
+void DCSetInternetSetting(DDNS_CLIENT *c, INTERNET_SETTING *t);
+void DCGetInternetSetting(DDNS_CLIENT *c, INTERNET_SETTING *t);
+
+#endif // DDNS_H
+
+
+
+// Developed by SoftEther VPN Project at University of Tsukuba in Japan.
+// Department of Computer Science has dozens of overly-enthusiastic geeks.
+// Join us: http://www.tsukuba.ac.jp/english/admission/
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