metasploit-framework/lib/rex/ui/text/resource.rb

79 lines
1.9 KiB
Ruby

# -*- coding: binary -*-
require 'rex/ui'
require 'erb'
module Rex
module Ui
module Text
module Resource
# Processes a resource script file for the console.
#
# @param path [String] Path to a resource file to run
# @return [void]
def load_resource(path)
if path == '-'
resource_file = $stdin.read
path = 'stdin'
elsif ::File.exist?(path)
resource_file = ::File.read(path)
else
print_error("Cannot find resource script: #{path}")
return
end
# Process ERB directives first
print_status "Processing #{path} for ERB directives."
erb = ERB.new(resource_file)
processed_resource = erb.result(binding)
lines = processed_resource.each_line.to_a
bindings = {}
while lines.length > 0
line = lines.shift
break if not line
line.strip!
next if line.length == 0
next if line =~ /^#/
# Pretty soon, this is going to need an XML parser :)
# TODO: case matters for the tag and for binding names
if line =~ /<ruby/
if line =~ /\s+binding=(?:'(\w+)'|"(\w+)")(>|\s+)/
bin = ($~[1] || $~[2])
bindings[bin] = binding unless bindings.has_key? bin
bin = bindings[bin]
else
bin = binding
end
buff = ''
while lines.length > 0
line = lines.shift
break if not line
break if line =~ /<\/ruby>/
buff << line
end
if ! buff.empty?
print_status("resource (#{path})> Ruby Code (#{buff.length} bytes)")
begin
eval(buff, bin)
rescue ::Interrupt
raise $!
rescue ::Exception => e
print_error("resource (#{path})> Ruby Error: #{e.class} #{e} #{e.backtrace}")
end
end
else
print_line("resource (#{path})> #{line}")
run_single(line)
end
end
end
end
end
end
end