Initial

2024-08-07 09:16:27 -04:00
parent fdfadd5c7e
commit 5f971cf684
5200 changed files with 731717 additions and 0 deletions
--- a/guitar/license.cpp
+++ b/guitar/license.cpp
@@ -0,0 +1,119 @@
+#include <guitar/license.hpp>
+#include <guitar/uutool.hpp>
+#include <common/block.hpp>
+#include <common/versioninfo.hpp>
+
+/*
+  The license will be uuencoded on top of xor.  This should be sufficient to protect the contents.
+  Lic:  TM105R20020101013001EF
+	      VVVVVVYYYYMMDDTTDDCCCC
+
+				XX=version TM105R.  should check this against this product version and release
+				YYYY=year of license issuance.  30 day license will use this value to expire itself.
+				MM=month of license issuance    30 day license will use this value to expiure
+				DD=day of license issuance
+				TT=type of license
+				   01=30 day license, expires 30 days from issuance.
+					 02=Full license, never expires.
+				DD=for type 01 license, indicates number of days license is good for.
+				CCCC=checksum, just add up ASCII values of the characters through TT, display in hex.
+*/
+
+const String License::smBeginLicense="BEGIN LICENSE";
+const String License::smEndLicense="END LICENSE";
+
+String License::generate(const String &strProductVersion,const SystemTime &issueDate,LicenseType licenseType,int dayCount)
+{
+  String strLicenseKey;
+	String strIssueDate;
+	String strLicenseType;
+	String strDayCount;
+	String strChecksum;
+
+  strLicenseKey=String("TM");
+	strLicenseKey+=strProductVersion.substr(0,3);
+	::sprintf(strIssueDate,"%4d%02d%02d",issueDate.year(),issueDate.month(),issueDate.day());
+	strLicenseKey+=strIssueDate;
+	::sprintf(strLicenseType,"%02d",licenseType);
+	strLicenseKey+=strLicenseType;
+	::sprintf(strDayCount,"%02d",dayCount);
+  strLicenseKey+=strDayCount;
+	::sprintf(strChecksum,"%04lx",calculateChecksum(strLicenseKey));
+	strLicenseKey+=strChecksum;
+	return UUTool::encode(xor(strLicenseKey));
+}
+
+String numericEncode(const String &strLicense)
+{
+  return String();
+}
+
+String numericDecode(const String &strLicense)
+{
+  return String();
+}
+
+bool License::fromLines(Block<String> &strLicenseLines)
+{
+  if(3!=strLicenseLines.size())return false;
+	if(!(strLicenseLines[0]==smBeginLicense))return false;
+	if(!(strLicenseLines[2]==smEndLicense))return false;
+	return fromString(strLicenseLines[1]);
+}
+
+// TM105R2002040301 30 03d8
+
+bool License::fromString(const String &strLicense)
+{
+	VersionInfo versionInfo;
+	SystemTime currDate;
+	SystemTime expireDate;
+  String strHeader;
+	String strDecoded;
+ 	String strVersion;
+	int hashCode;
+
+  mUUEncodedLicense=strLicense;
+  strDecoded=xor(UUTool::decode(strLicense));
+	strHeader=strDecoded.substr(0,1);
+	if(!(strHeader==String("TM")))return false;
+	mProductVersion=strDecoded.substr(2,5);
+	mIssueDate.year(strDecoded.substr(6,9).toInt());
+	mIssueDate.month((SystemTime::Month)strDecoded.substr(10,11).toInt());
+	mIssueDate.day(strDecoded.substr(12,13).toInt());
+	mLicenseType=(LicenseType)strDecoded.substr(14,15).toInt();
+	mDayCount=strDecoded.substr(16,17).toInt();
+	hashCode=strDecoded.substr(18,21).hex();
+	if(hashCode!=calculateChecksum(strDecoded.substr(0,17)))return false;
+	strVersion=versionInfo.getProductVersionString();
+	strVersion.removeTokens(", ");
+	strVersion.upper();
+	if(!(strVersion==mProductVersion))return false;
+	if(Permanent==mLicenseType)return mIsValid=true;
+	expireDate=mIssueDate;
+	expireDate.daysAdd360(mDayCount);
+	if(currDate>=expireDate)return false;
+	return mIsValid=true;
+}
+
+String License::xor(const String &strLicense)
+{
+  String strEncoded;
+	int strLength;
+
+	strEncoded.reserve((strLength=strLicense.length())+1);
+	for(int index=0;index<strLength;index++)strEncoded.setAt(index,strLicense.charAt(index)^XORMagic);
+	return strEncoded;
+}
+
+int License::calculateChecksum(const String &string)
+{
+	int stringLength=string.length();
+  int sum=0;
+
+	for(int index=0;index<stringLength;index++)sum+=string[index];
+	return sum;
+}
+
+
+