macho_edit | Command line utility for modifying Mach | Reverse Engineering library

by Tyilo C++ Version: Current License: MIT

X-Ray Key Features Code Snippets Community Discussions(1)Vulnerabilities Install Support

kandi X-RAY | macho_edit Summary

macho_edit is a C++ library typically used in Utilities, Reverse Engineering applications. macho_edit has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

Command line utility for modifying [Mach-O] binaries in various ways. To remove the code signature it is enough to delete the LC_CODE_SIGNATURE load command and fixup the mach header’s ncmds and sizeofcmds, assuming it is the last load command.

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Quality

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Support

macho_edit has a low active ecosystem.

It has 135 star(s) with 35 fork(s). There are 8 watchers for this library.

It had no major release in the last 6 months.

There are 1 open issues and 1 have been closed. There are 1 open pull requests and 0 closed requests.

It has a neutral sentiment in the developer community.

The latest version of macho_edit is current.

Quality

macho_edit has 0 bugs and 0 code smells.

Security

macho_edit has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

macho_edit code analysis shows 0 unresolved vulnerabilities.

There are 0 security hotspots that need review.

License

macho_edit is licensed under the MIT License. This license is Permissive.

Permissive licenses have the least restrictions, and you can use them in most projects.

Reuse

macho_edit releases are not available. You will need to build from source code and install.

Installation instructions are not available. Examples and code snippets are available.

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macho_edit Key Features

No Key Features are available at this moment for macho_edit.

macho_edit Examples and Code Snippets

No Code Snippets are available at this moment for macho_edit.

Community Discussions

Trending Discussions on macho_edit

codesign an old Director projector on OS X 10.13 - perhaps manipulate __LINKEDIT segment value

QUESTION

codesign an old Director projector on OS X 10.13 - perhaps manipulate __LINKEDIT segment value

Asked 2019-Aug-05 at 09:10

(See Updates at end of this post)

For $reasons, I need to codesign an old Director projector that we can no longer re-publish (no access to original source code or to Director).

I'm doing this because when run without being signed, the app now opens a Finder window with a prompt saying "Where is..." asking for a file that's one of the embedded projector resources.

But... If I cd into the Projector.app contents (it's not really called that, but you get the idea) and find the projector binary inside Contents/MacOS/ and run this binary from terminal, the app launches and runs fine, once it's decompressed the (presumably) attached archive at the end of the binary...

...

ANSWER

Answered 2018-Feb-28 at 11:00

DIrector uses a scheme widely used on Windows called "Overload". I attaches some data at the end of the physical file, but beyond the size of the executable image. This approach is not supported with Mach-O files. The physical image has to end with the last byte covered by the LINKEDIT segment, and even the order of items inside the LINKEDIT segment is well defined. Reason for this was prebinding in the past, now it is codesigning.

The appended data is the initial DIR/DXR Directory wants to load first. I guess this has been fixed later by adding the DIR/DXR into the application bundle. But I am not anymore into Director, so I am not sure about this.

Source https://stackoverflow.com/questions/48324224

Community Discussions, Code Snippets contain sources that include Stack Exchange Network

Vulnerabilities

No vulnerabilities reported

Install macho_edit

You can download it from GitHub.

Support

For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .

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