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TweakConfiguration.x
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TweakConfiguration.x
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// Copyright (c) 2017-2019 Lars Fröder
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
// 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.
#import "Shared.h"
#import <dlfcn.h>
NSArray* tweakWhitelist;
NSArray* tweakBlacklist;
%group BlockAllTweaks
%hookf(void *, dlopen, const char *path, int mode)
{
if(path != NULL)
{
NSString* NSPath = @(path);
if([NSPath containsString:@"TweakInject"] || [NSPath containsString:@"MobileSubstrate/DynamicLibraries"])
{
return NULL;
}
}
return %orig;
}
%end
%group CustomConfiguration
%hookf(void *, dlopen, const char *path, int mode)
{
if(path != NULL)
{
NSString* NSPath = @(path);
if([NSPath containsString:@"TweakInject"] || [NSPath containsString:@"MobileSubstrate/DynamicLibraries"])
{
NSString* dylibName = [NSPath.lastPathComponent stringByDeletingPathExtension];
if(tweakWhitelist)
{
if(![tweakWhitelist containsObject:dylibName])
{
return NULL;
}
}
if(tweakBlacklist)
{
if([tweakBlacklist containsObject:dylibName])
{
return NULL;
}
}
}
}
return %orig;
}
%end
void initTweakConfiguration()
{
BOOL isApplication = [executablePath containsString:@"/Application"];
BOOL isSpringBoard = [executablePath.lastPathComponent isEqualToString:@"SpringBoard"];
NSDictionary* settings;
if(isApplication || isSpringBoard)
{
settings = preferencesForApplicationWithID([NSBundle mainBundle].bundleIdentifier);
}
else
{
settings = preferencesForDaemonWithDisplayName(executablePath.lastPathComponent);
}
if(settings)
{
BOOL tweakInjectionDisabled = ((NSNumber*)[settings objectForKey:@"tweakInjectionDisabled"]).boolValue;
BOOL customTweakConfigurationEnabled = ((NSNumber*)[settings objectForKey:@"customTweakConfigurationEnabled"]).boolValue;
if(!isApplication && tweakInjectionDisabled)
{
%init(BlockAllTweaks);
}
else if(customTweakConfigurationEnabled)
{
NSInteger whitelistBlacklistSegment = ((NSNumber*)[settings objectForKey:@"whitelistBlacklistSegment"]).intValue;
if(whitelistBlacklistSegment == 2) //blacklist
{
tweakBlacklist = [settings objectForKey:@"tweakBlacklist"];
}
else //whitelist
{
tweakWhitelist = [settings objectForKey:@"tweakWhitelist"];
}
%init(CustomConfiguration);
}
}
}