class SshdConfig::SshdConfig

Attributes

lines[R]

Public Class Methods

new(filename) click to toggle source
# File lib/sshd_config.rb, line 5
def initialize(filename)
  @filename = filename
  @file = File.open(@filename, "r")
end
read(filename) click to toggle source
# File lib/sshd_config.rb, line 25
def self.read(filename)
  sshd_config = SshdConfig.new(filename)
  sshd_config.load
  return sshd_config
end

Public Instance Methods

change_property(prop, value) click to toggle source
# File lib/sshd_config.rb, line 36
def change_property(prop, value)
  prop = prop.gsub("\n", "").split(" ")
  ([prop[0]].concat value.split(" ")).join(" ")
end
close() click to toggle source
# File lib/sshd_config.rb, line 51
def close
  @file.close
end
get_value(name) click to toggle source
# File lib/sshd_config.rb, line 74
def get_value(name)
  prop = @lines.select do |line| 
    (line[:type] == :property) and (property(line[:content])[:name].chomp.upcase == name.chomp.upcase)
  end
  if prop.length == 1
    return property(prop[0][:content])[:value]
  else
    raise NoMethodError
  end
end
load() click to toggle source
# File lib/sshd_config.rb, line 10
def load
  @lines = []
  @file.readlines.each do |line|
    @lines << {content: line, type: type(line)}
  end
end
method_missing(name, *args, &block) click to toggle source
# File lib/sshd_config.rb, line 85
def method_missing(name, *args, &block)
  return case name
    when /^.*=$/ then
      set_value(name.to_s[0..-2], args[0])
    else
      get_value(name.to_s)
  end
end
property(prop) click to toggle source
# File lib/sshd_config.rb, line 31
def property(prop)
  content = prop.gsub("\n", "").split(" ")
  return {name: content[0], value: content[1..-1].join(' ')}
end
save() click to toggle source
# File lib/sshd_config.rb, line 41
def save
  @file.close
  @file = File.open(@filename, "w")
  @lines.each do |line|
    @file.write(line[:content])
  end
  @file.close
  @file = File.open(@filename, "r")
end
set_value(name, value) click to toggle source
# File lib/sshd_config.rb, line 55
def set_value(name, value)
  prop = @lines.select do |line| 
    (line[:type] == :property) and (property(line[:content])[:name].chomp.upcase == (name).chomp.upcase)
  end
  if prop.length == 1
    new_value = change_property(prop[0][:content], value)
    @lines.each_with_index do |line, i|
      if line[:content] == prop[0][:content]
        @lines[i][:content] = "#{new_value}\n"
      end
    end
    return new_value
  else
    new_value = "#{name} #{value}\n"
    @lines << {content: new_value, type: :property}
    return new_value
  end
end
type(line) click to toggle source
# File lib/sshd_config.rb, line 17
def type(line)
  case line[0] 
    when '#' then :comment
    when "\n" then :empty
    else :property
  end
end