├── .gitignore
├── Makefile
├── README.md
├── ent.plist
├── layout
    └── DEBIAN
    │   ├── control
    │   └── postinst
├── main.m
└── packages
    ├── com.rockqj.networkfixer_1.0.0-1_iphoneos-arm.deb
    └── com.rockqj.networkfixer_1.0.0-2_iphoneos-arm.deb


/.gitignore:
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1 | .theos/


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/Makefile:
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 1 | export TARGET=iphone:clang::13
 2 | export ARCHS=arm64
 3 | export DEBUG=0
 4 | 
 5 | include $(THEOS)/makefiles/common.mk
 6 | 
 7 | TOOL_NAME = networkfixer
 8 | 
 9 | $(TOOL_NAME)_FILES = main.m
10 | $(TOOL_NAME)_CFLAGS = -fobjc-arc
11 | $(TOOL_NAME)_CODESIGN_FLAGS = -Sent.plist
12 | 
13 | include $(THEOS_MAKE_PATH)/tool.mk
14 | 
15 | after-install::
16 | 	install.exec "/usr/bin/networkfixer"
17 | 


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/README.md:
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 1 | # Network Fixer
 2 | 
 3 | The tool will enable network access for checkra1n and cydia in iOS 13. 
 4 | 
 5 | ## Background
 6 | 
 7 | * Due to regional regulations, Chinese iPhones may suffer from offline of checkra1n loader and cydia app.
 8 | 
 9 | * The idea came from @laoyur. The detail can be found at: https://github.com/pwn20wndstuff/Undecimus/issues/136
10 | 
11 | * In iOS 13, the related APIs were moved from `Preferences.framework` to `SettingsCellular.framework`.
12 | 
13 | ## Supported (Verified)
14 | 
15 | * iPhone 7 + iOS 13.1.3
16 | 
17 | ## How to Use
18 | 
19 | ```bash
20 | dpkg -i com.rockqj.networkfixer_x.x.x-x_iphoneos-arm.deb
21 | ```
22 | 
23 | You can find latest deb file in `packages` or you may want build it on your own.
24 | 


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/ent.plist:
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 1 |  <?xml version="1.0" encoding="UTF-8"?>
 2 |  <!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
 3 |  <plist version="1.0">
 4 |      <dict>
 5 |          <key>com.apple.CommCenter.fine-grained</key>
 6 |          <array>
 7 |              <string>cellular-plan</string>
 8 |              <string>data-usage</string>
 9 |              <string>data-allowed-write</string>
10 |              <string>preferences-write</string>
11 |          </array>
12 |          <key>platform-application</key>
13 |          <true/>
14 |      </dict>
15 |  </plist>


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/layout/DEBIAN/control:
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 1 | Package: com.rockqj.networkfixer
 2 | Name: networkfixer
 3 | Version: 1.0.0
 4 | Architecture: iphoneos-arm
 5 | Description: Enable network access of cydia and checkra1n
 6 | Maintainer: rockqj
 7 | Author: rockqj
 8 | Section: System
 9 | Tag: role::hacker
10 | 


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/layout/DEBIAN/postinst:
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1 | /usr/bin/networkfixer


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/main.m:
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 1 | #include <stdio.h>
 2 | #include <objc/message.h>
 3 | 
 4 | int main(int argc, char *argv[], char *envp[]) {
 5 | 	// iOS 13
 6 | 	NSBundle *bundle = [NSBundle bundleWithPath:@"/System/Library/PrivateFrameworks/SettingsCellular.framework"];
 7 | 	if (![bundle load]) {
 8 | 		// iOS 12
 9 | 		bundle = [NSBundle bundleWithPath:@"/System/Library/PrivateFrameworks/Preferences.framework"];
10 | 		if (![bundle load]) {
11 | 			printf("Load framework failed.\n");
12 | 			return -1;
13 | 		}
14 | 	}
15 | 
16 | 	Class PSAppDataUsagePolicyCacheClass = NSClassFromString(@"PSAppDataUsagePolicyCache");
17 | 	id cacheInstance = [PSAppDataUsagePolicyCacheClass valueForKey:@"sharedInstance"];
18 | 	if (!cacheInstance) {
19 | 		printf("Instance not found.\n");
20 | 		return -1;
21 | 	}
22 | 
23 | 	BOOL result = ((BOOL (*)(id, SEL, NSString *, BOOL, BOOL))objc_msgSend)(
24 | 		cacheInstance, NSSelectorFromString(@"setUsagePoliciesForBundle:cellular:wifi:"), @"com.saurik.Cydia", true, true);
25 | 	if (!result) {
26 | 		printf("Fail to enable network for cydia.\n");
27 | 	} else {
28 | 		printf("Enable network for cydia successfully.\n");
29 | 	}
30 | 
31 | 	result = ((BOOL (*)(id, SEL, NSString *, BOOL, BOOL))objc_msgSend)(
32 | 		cacheInstance, NSSelectorFromString(@"setUsagePoliciesForBundle:cellular:wifi:"), @"kjc.loader", true, true);
33 | 	if (!result) {
34 | 		printf("Fail to enable network for checkra1n.\n");
35 | 	} else {
36 | 		printf("Enable network for checkra1n successfully.\n");
37 | 	}
38 | 
39 | 	return 0;
40 | }
41 | 
42 | 


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/packages/com.rockqj.networkfixer_1.0.0-1_iphoneos-arm.deb:
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https://raw.githubusercontent.com/rockqj/networkfixer/dcb9d91f5090c12c73fd8509660091924d461879/packages/com.rockqj.networkfixer_1.0.0-1_iphoneos-arm.deb


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/packages/com.rockqj.networkfixer_1.0.0-2_iphoneos-arm.deb:
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https://raw.githubusercontent.com/rockqj/networkfixer/dcb9d91f5090c12c73fd8509660091924d461879/packages/com.rockqj.networkfixer_1.0.0-2_iphoneos-arm.deb


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