From 7398de21ae4f749c7ecc731f546c02837cb4b57b Mon Sep 17 00:00:00 2001
From: Evgeny Zinoviev <me@ch1p.io>
Date: Mon, 17 Jun 2019 23:51:56 +0300
Subject: spoof isValid and numberOfDaysLeftInTrialMode

---
 sketchtrial.m | 49 +++++++++++++++++++++++++++++++++++++++++++------
 1 file changed, 43 insertions(+), 6 deletions(-)

diff --git a/sketchtrial.m b/sketchtrial.m
index 26875d6..78868ec 100644
--- a/sketchtrial.m
+++ b/sketchtrial.m
@@ -9,20 +9,57 @@
 
 @interface BCRegularLicensePatched : NSObject
 - (bool)isExpired;
+- (bool)isValid;
+@end
+
+@interface BCLicenseManagerPatched : NSObject
+- (long long)numberOfDaysLeftInTrialMode;
 @end
 
 @implementation BCRegularLicensePatched
 
-+(void)load {
-Class origClass = NSClassFromString(@"BCRegularLicense");
-    Method origMethod = class_getInstanceMethod(origClass, @selector(isExpired));
-    Method replMethod = class_getInstanceMethod(NSClassFromString(@"BCRegularLicensePatched"), @selector(isExpired));
++ (void)load {
+    Class origClass = NSClassFromString(@"BCRegularLicense");
     
-    method_exchangeImplementations(origMethod, replMethod);
+    method_exchangeImplementations(
+        class_getInstanceMethod(origClass, @selector(isExpired)),
+        class_getInstanceMethod(NSClassFromString(@"BCRegularLicensePatched"), @selector(isExpired))
+    );
+
+    method_exchangeImplementations(
+        class_getInstanceMethod(origClass, @selector(isValid)),
+        class_getInstanceMethod(NSClassFromString(@"BCRegularLicensePatched"), @selector(isValid))
+    );
 }
 
--(bool)isExpired {
+- (bool)isExpired {
     return false;
 }
 
+- (bool)isValid {
+    return true;
+}
+
+@end
+
+
+//
+// BCLicenseManager
+//
+
+@implementation BCLicenseManagerPatched
+
++ (void)load {
+    Class origClass = NSClassFromString(@"BCLicenseManager");
+
+    method_exchangeImplementations(
+        class_getInstanceMethod(origClass, @selector(numberOfDaysLeftInTrialMode)),
+        class_getInstanceMethod(NSClassFromString(@"BCLicenseManagerPatched"), @selector(numberOfDaysLeftInTrialMode))
+    );
+}
+
+- (long long)numberOfDaysLeftInTrialMode {
+    return 9000;
+}
+
 @end
-- 
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