Class: R2Pipe

Inherits:
Object
  • Object
show all
Defined in:
lib/r2pipe.rb

Overview

R2Pipe is an easy way to communicate with an r2 core through ruby

Instance Method Summary collapse

Constructor Details

#initialize(file) ⇒ R2Pipe

Returns a new instance of R2Pipe.



8
9
10
11
12
13
14
15
16
17
 
# File 'lib/r2pipe.rb', line 8

def initialize(file)
  @file = file
  exec = "r2 -q0 #{Shellwords.shellescape file} 2>/dev/null"
  PTY.spawn(exec) do |read, write, pid|
    @read = read
    @write = write
    @pid = pid
    @read.gets("\0")
  end
end

Instance Method Details

#cmd(str) ⇒ Object

runs a command on the radare2 core



20
21
22
23
 
# File 'lib/r2pipe.rb', line 20

def cmd(str)
  @write.print "#{str}\n"
  @read.gets("\0")[0..-2]
end

#json(str) ⇒ Object

returns a parsed json string



32
33
34
 
# File 'lib/r2pipe.rb', line 32

def json(str)
  JSON.parse str.sub("\n", '').sub("\r", '')
end

#quit ⇒ Object

closes the radare2 core and quits



26
27
28
29
 
# File 'lib/r2pipe.rb', line 26

def quit
  cmd('q!')
  ::Process.wait @pid
end