mirror of
https://github.com/SoftEtherVPN/SoftEtherVPN.git
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270 lines
8.2 KiB
C
270 lines
8.2 KiB
C
// 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) 2012-2016 Daiyuu Nobori.
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// Copyright (c) 2012-2016 SoftEther VPN Project, University of Tsukuba, Japan.
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// Copyright (c) 2012-2016 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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// 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 THIS SOFTWARE IN ANOTHER COUNTRY UNLESS
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// YOU HAVE A CONFIRMATION THAT THIS SOFTWARE DOES NOT VIOLATE ANY
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// CRIMINAL LAWS OR CIVIL RIGHTS IN THAT PARTICULAR COUNTRY. USING THIS
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// SOFTWARE IN OTHER COUNTRIES IS COMPLETELY AT YOUR OWN RISK. THE
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// SOFTETHER VPN PROJECT HAS DEVELOPED AND DISTRIBUTED THIS SOFTWARE TO
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// COMPLY ONLY WITH THE JAPANESE LAWS AND EXISTING CIVIL RIGHTS INCLUDING
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// PATENTS WHICH ARE SUBJECTS APPLY IN JAPAN. OTHER COUNTRIES' LAWS OR
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// CIVIL RIGHTS ARE NONE OF OUR CONCERNS NOR RESPONSIBILITIES. WE HAVE
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// NEVER INVESTIGATED ANY CRIMINAL REGULATIONS, CIVIL LAWS OR
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// INTELLECTUAL PROPERTY RIGHTS INCLUDING PATENTS IN ANY OF OTHER 200+
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// COUNTRIES AND TERRITORIES. BY NATURE, THERE ARE 200+ REGIONS IN THE
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// WORLD, WITH DIFFERENT LAWS. IT IS IMPOSSIBLE TO VERIFY EVERY
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// COUNTRIES' LAWS, REGULATIONS AND CIVIL RIGHTS TO MAKE THE SOFTWARE
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// COMPLY WITH ALL COUNTRIES' LAWS BY THE PROJECT. EVEN IF YOU WILL BE
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// SUED BY A PRIVATE ENTITY OR BE DAMAGED BY A PUBLIC SERVANT IN YOUR
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// COUNTRY, THE DEVELOPERS OF THIS SOFTWARE WILL NEVER BE LIABLE TO
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// RECOVER OR COMPENSATE SUCH DAMAGES, CRIMINAL OR CIVIL
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// RESPONSIBILITIES. NOTE THAT THIS LINE IS NOT LICENSE RESTRICTION BUT
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// JUST A STATEMENT FOR WARNING AND DISCLAIMER.
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//
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//
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// SOURCE CODE CONTRIBUTION
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// ------------------------
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//
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// Your contribution to SoftEther VPN Project is much appreciated.
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// Please send patches to us through GitHub.
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// Read the SoftEther VPN Patch Acceptance Policy in advance:
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// http://www.softether.org/5-download/src/9.patch
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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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//
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//
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// NO MEMORY OR RESOURCE LEAKS
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// ---------------------------
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//
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// The memory-leaks and resource-leaks verification under the stress
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// test has been passed before release this source code.
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// Database.c
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// License database
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#include "CedarPch.h"
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// Get the License status string
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wchar_t *LiGetLicenseStatusStr(UINT i)
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{
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wchar_t *ret = _UU("LICENSE_STATUS_OTHERERROR");
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switch (i)
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{
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case LICENSE_STATUS_OK:
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ret = _UU("LICENSE_STATUS_OK");
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break;
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case LICENSE_STATUS_EXPIRED:
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ret = _UU("LICENSE_STATUS_EXPIRED");
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break;
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case LICENSE_STATUS_ID_DIFF:
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ret = _UU("LICENSE_STATUS_ID_DIFF");
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break;
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case LICENSE_STATUS_DUP:
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ret = _UU("LICENSE_STATUS_DUP");
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break;
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case LICENSE_STATUS_INSUFFICIENT:
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ret = _UU("LICENSE_STATUS_INSUFFICIENT");
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break;
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case LICENSE_STATUS_COMPETITION:
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ret = _UU("LICENSE_STATUS_COMPETITION");
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break;
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case LICENSE_STATUS_NONSENSE:
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ret = _UU("LICENSE_STATUS_NONSENSE");
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break;
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case LICENSE_STATUS_CPU:
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ret = _UU("LICENSE_STATUS_CPU");
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break;
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}
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return ret;
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}
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static char *li_keybit_chars = "ABCDEFGHJKLMNPQRSTUVWXYZ12345678";
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// Convert the string to a key bit
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bool LiStrToKeyBit(UCHAR *keybit, char *keystr)
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{
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UINT x[36];
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UINT i, wp;
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char *str;
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// Validate arguments
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if (keybit == NULL || keystr == NULL)
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{
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return false;
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}
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str = CopyStr(keystr);
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Trim(str);
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wp = 0;
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if (StrLen(str) != 41)
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{
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Free(str);
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return false;
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}
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for (i = 0;i < 36;i++)
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{
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char c = str[wp++];
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UINT j;
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if (((i % 6) == 5) && (i != 35))
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{
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if (str[wp++] != '-')
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{
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Free(str);
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return false;
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}
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}
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x[i] = INFINITE;
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for (j = 0;j < 32;j++)
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{
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if (ToUpper(c) == li_keybit_chars[j])
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{
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x[i] = j;
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}
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}
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if (x[i] == INFINITE)
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{
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Free(str);
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return false;
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}
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}
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Zero(keybit, 23);
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keybit[0] = x[0] << 1 | x[1] >> 4;
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keybit[1] = x[1] << 4 | x[2] >> 1;
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keybit[2] = x[2] << 7 | x[3] << 2 | x[4] >> 3;
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keybit[3] = x[4] << 5 | x[5];
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keybit[4] = x[6] << 3 | x[7] >> 2;
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keybit[5] = x[7] << 6 | x[8] << 1 | x[9] >> 4;
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keybit[6] = x[9] << 4 | x[10] >> 1;
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keybit[7] = x[10] << 7 | x[11] << 2 | x[12] >> 3;
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keybit[8] = x[12] << 5 | x[13];
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keybit[9] = x[14] << 3 | x[15] >> 2;
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keybit[10] = x[15] << 6 | x[16] << 1 | x[17] >> 4;
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keybit[11] = x[17] << 4 | x[18] >> 1;
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keybit[12] = x[18] << 7 | x[19] << 2 | x[20] >> 3;
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keybit[13] = x[20] << 5 | x[21];
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keybit[14] = x[22] << 3 | x[23] >> 2;
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keybit[15] = x[23] << 6 | x[24] << 1 | x[25] >> 4;
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keybit[16] = x[25] << 4 | x[26] >> 1;
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keybit[17] = x[26] << 7 | x[27] << 2 | x[28] >> 3;
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keybit[18] = x[28] << 5 | x[29];
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keybit[19] = x[30] << 3 | x[31] >> 2;
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keybit[20] = x[31] << 6 | x[32] << 1 | x[33] >> 4;
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keybit[21] = x[33] << 4 | x[34] >> 1;
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keybit[22] = x[34] << 7 | x[35] << 2;
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Free(str);
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return true;
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}
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// Determine whether the string is a license key
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bool LiIsLicenseKey(char *str)
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{
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UCHAR keybit[23];
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// Validate arguments
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if (str == NULL)
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{
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return false;
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}
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if (LiStrToKeyBit(keybit, str) == false)
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{
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return false;
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}
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return true;
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}
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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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