metasploit-framework

https://github.com/rapid7/metasploit-framework

Ruby

Metasploit Framework

Rex::Post::Meterpreter::Extensions::Stdapi::Railgun::Library#add_function

Define a function for this library.

Every function argument is described by a tuple (type,name,direction)

Example:
  add_function("MessageBoxW",   # name
    "DWORD",                    # return value
    [                           # params
   ["DWORD","hWnd","in"],
     ["PWCHAR","lpText","in"],
     ["PWCHAR","lpCaption","in"],
     ["DWORD","uType","in"],
    ])

Use +remote_name+ when the actual library name is different from the
ruby variable.  You might need to do this for example when the actual
func name is myFunc@4 or when you want to create an alternative version
of an existing function.

When the new function is called it will return a list containing the
return value and all inout params.  See #call_function.

Source | Google | Stack overflow

Edit

git clone [email protected]:rapid7/metasploit-framework.git

cd metasploit-framework

open lib/rex/post/meterpreter/extensions/stdapi/railgun/library.rb

Contribute

# Make a new branch

git checkout -b -your-name--update-docs-Rex--Post--Meterpreter--Extensions--Stdapi--Railgun--Library-add_function-for-pr

# Commit to git

git add lib/rex/post/meterpreter/extensions/stdapi/railgun/library.rbgit commit -m "better docs for Rex::Post::Meterpreter::Extensions::Stdapi::Railgun::Library#add_function"

# Open pull request

gem install hub # on a mac you can `brew install hub`

hub fork

git push <your name> -your-name--update-docs-Rex--Post--Meterpreter--Extensions--Stdapi--Railgun--Library-add_function-for-pr

hub pull-request

# Celebrate!