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IPAPatch provide a simple way to patch iOS Apps, without needing to jailbreak.

[ Features • Instructions • Example • FAQ • License ]

Features

IPAPatch includes an template Xcode project, that provides following features:

Instructions

  1. Clone or Download This Project

    Download this project to your local disk

  2. Prepare Decrypted IPA File

    The IPA file you use need to be decrypted, you can get a decrypted ipa from a jailbroken device or download it directly from an ipa download site, such as http://www.iphonecake.com

  3. Replace Placeholder IPA

    Replace the IPA file located at IPAPatch/Assets/app.ipa with yours, this is a placeholder file. The filename should remain app.ipa after replacing.

  4. Place External Resources/Frameworks (Optional)

    Follow types of external file are supported:

    • Frameworks:
      • External frameworks can be placed at IPAPatch/Assets/Frameworks folder.
      • Frameworks will be linked automatically.
      • For example IPAPatch/Assets/Frameworks/RevealServer.framework
    • Dynamic Libraries:
      • External dynamic libraries can be placed at IPAPatch/Assets/Dylibs folder.
      • Libraries will be linked automatically
    • Resources/Bundles:
      • Other resources or bundles can be placed at IPAPatch/Assets/Resources
      • Resources will be copied directly to the main bundle of original app

  5. Configure Build Settings

    • Open IPAPatch.xcodeproj
    • In the Project Editor, Select Target IPAPatch-DummyApp
    • Display Name defaults to "💊", this is used as prefix of the final display name.
    • Change Bundle Identifier to match your provisioning profiles
    • Fix signing issues if any.

  6. Configure IPPatch Options

    • You can config IPAPatch's behavior with Tools/options.plist

      NameDescriptionDefault
      RESTORE_SYMBOLSWhen YES, IPAPatch will try to restore symbol table from Mach-O for debugging propose (with tools from https://github.com/tobefuturer/restore-symbol, also thanks to @henrayluo and @dannion)NO
      CREATE_IPA_FILEWhen YES, IPAPatch will generate a ipa file on each build. Genrated file is located at SRCROOT/ProductNO
      IGNORE_UI_SUPPORTED_DEVICESWhen YES, IPAPatch will delete UISupportedDevices from source app's Info.plistNO
      REMOVE_WATCHPLACEHOLDERWhen YES, IPAPatch will remove com.apple.WatchPlaceholder folder from source app's bundleYES
      USE_ORIGINAL_ENTITLEMENTSWhen YES, IPAPatch will use source app's entitlements to resign, you need to make sure your Provisioning Profile matches the entitlements, or you need to disable AMFI on target deviceNO

  7. Code Your Patch

    The entry is at +[IPAPatchEntry load], you can write code start from here. To change apps' behavior, You may need to use some method swizzling library, such as steipete/Aspects.

  8. Build and Run

    Select a real device, and hit the "Run" button at the top-left corner of Xcode. The code your wrote and external frameworks you placed will inject to the ipa file automatically.

Example

I created some demo project, which shows you how to use IPAPatch:

FAQ

License

IPAPatch

   IPAPatch is licensed under the MIT license.

Copyright (c) 2017-present Wu Tian <wutian@me.com>.
  
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.

OPTOOL

Copyright (c) 2014, Alex Zielenski
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

* Redistributions of source code must retain the above copyright notice, this
  list of conditions and the following disclaimer.

* Redistributions in binary form must reproduce the above copyright notice,
  this list of conditions and the following disclaimer in the documentation
  and/or other materials provided with the distribution.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

fishhook

Copyright (c) 2013, Facebook, Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
  * Redistributions of source code must retain the above copyright notice,
    this list of conditions and the following disclaimer.
  * Redistributions in binary form must reproduce the above copyright notice,
    this list of conditions and the following disclaimer in the documentation
    and/or other materials provided with the distribution.
  * Neither the name Facebook nor the names of its contributors may be used to
    endorse or promote products derived from this software without specific
    prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.