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@@ -0,0 +1,125 @@
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+// Adapted from https://github.com/olxios/JailbreakCheck
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+/*
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+ MIT License
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+
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+ Copyright (c) 2016 olxios
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+
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+ Permission is hereby granted, free of charge, to any person obtaining a copy
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+ of this software and associated documentation files (the "Software"), to deal
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+ in the Software without restriction, including without limitation the rights
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+ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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+ copies of the Software, and to permit persons to whom the Software is
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+ furnished to do so, subject to the following conditions:
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+
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+ The above copyright notice and this permission notice shall be included in all
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+ copies or substantial portions of the Software.
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+
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+ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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+ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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+ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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+ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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+ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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+ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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+ SOFTWARE.
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+*/
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+
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+
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+#import <Foundation/Foundation.h>
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+#import "UIKit/UIKit.h"
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+#import <sys/stat.h>
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+
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+
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+BOOL checkReadWritePermissions()
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+{
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+ if([[UIApplication sharedApplication] canOpenURL:
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+ [NSURL URLWithString:@"cydia://package/com.com.com"]])
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+ {
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+ return TRUE;
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+ }
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+
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+ NSError *error;
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+ NSString *stringToBeWritten = @"0";
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+ [stringToBeWritten writeToFile:@"/private/jailbreak.test"
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+ atomically:YES
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+ encoding:NSUTF8StringEncoding error:&error];
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+ if (error == nil)
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+ {
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+ return TRUE;
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+ }
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+
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+ return FALSE;
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+}
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+
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+BOOL checkJailbreakSymLink(NSString *checkPath)
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+{
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+ struct stat s;
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+
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+ if (lstat([checkPath UTF8String], &s) == 0)
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+ {
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+ if (S_ISLNK(s.st_mode) == 1)
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+ {
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+ return TRUE;
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+ }
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+ }
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+
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+ return FALSE;
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+}
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+
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+BOOL checkJailbreakSymlinks()
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+{
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+ NSArray *linksChecks = @[@"/Applications",
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+ @"/usr/libexec",
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+ @"/usr/share",
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+ @"/Library/Wallpaper",
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+ @"/usr/include"];
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+
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+ for (NSString *checkPath in linksChecks)
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+ {
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+ if (checkJailbreakSymLink(checkPath)) {
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+ return TRUE;
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+ }
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+ }
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+
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+ return FALSE;
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+}
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+
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+BOOL checkJailbreakFile(NSString *checkPath)
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+{
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+ struct stat s;
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+
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+ if (stat([checkPath UTF8String], &s) == 0)
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+ {
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+ return TRUE;
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+ }
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+
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+ return FALSE;
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+}
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+
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+BOOL checkJailbreakFiles()
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+{
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+ NSArray *fileChecks = @[@"/bin/bash",
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+ @"/etc/apt",
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+ @"/usr/sbin/sshd",
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+ @"/Library/MobileSubstrate/MobileSubstrate.dylib",
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+ @"/Applications/Cydia.app",
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+ @"/bin/sh",
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+ @"/var/cache/apt",
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+ @"/var/tmp/cydia.log"];
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+
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+ for (NSString *checkPath in fileChecks)
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+ {
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+ if (checkJailbreakFile(checkPath)) {
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+ return TRUE;
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+ }
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+ }
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+
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+ return FALSE;
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+}
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+
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+BOOL isDeviceJailbroken()
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+{
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+ return
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+ checkJailbreakSymlinks()
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+ || checkJailbreakFiles()
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+ || checkReadWritePermissions();
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+}
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Adam Pritchard