A set of tools for Mach-O executables analysis on OS X
A Python toolbox for Mach-O files analysis. Heavily relies on macholib.
$ [sudo] pip install machobot
$ pip install nose macholib $ git clone https://github.com/rodionovd/machobot.git machobot $ cd ./machobot $ nosetests # run the test suite
As a command-line util:
$ inject_dylib ./target "@rpath/mylib.dylib"
As a Python module:
import machobot.dylib as dylib dylib.insert_load_command("output.a", "@executable_path/../../libk.dylib")
insert_load_command (target_path, library_install_name)
Inserts a new LC_LOAD_DYLIB load command into the target Mach-O header.
|target_path||A path to the target Mach-O executable file. This file will be overwritten.|
|library_install_name||An install name for the library to inject. This string is used as a part of the load command.|
|Returns True if everything is OK. Otherwise rises an exception.|
macho_dependencies_list (target_path, header_magic=None)
Generates a list of libraries the given Mach-O file depends on.
In that list a single library is represented by its “install path”: for some libraries it would be a full file path, and for others it would be a relative path (sometimes with dyld templates like @executable_path or @rpath in it).
Note: I don’t know any reason why would some architectures of a fat Mach-O depend on certain libraries while others don’t, but it’s technically possible. So that’s why you may want to specify the header_magic value for a particular header.
|target_path||A path to the target Mach-O executable file.|
|header_magic||Mach-O MAGIC value for a header you want to inspect. If this argument is not provided, the function returns a list of the first header’s dependencies.|
|An object with two properties: weak and strong that hold lists of weak and strong dependencies respectively.|
See machobot/tests/test_dylib.py for usage examples.
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