Puppet Function: str2saltedsha512

Defined in:
puppet/modules/stdlib/lib/puppet/parser/functions/str2saltedsha512.rb
Function type:
Ruby 3.x API

Overview

str2saltedsha512() ⇒ Any

This converts a string to a salted-SHA512 password hash (which is used for OS X versions >= 10.7). Given any simple string, you will get a hex version of a salted-SHA512 password hash that can be inserted into your Puppet manifests as a valid password attribute.

Returns:

  • (Any) 


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# File 'puppet/modules/stdlib/lib/puppet/parser/functions/str2saltedsha512.rb', line 6

newfunction(:str2saltedsha512, :type => :rvalue, :doc => <<-EOS
This converts a string to a salted-SHA512 password hash (which is used for
OS X versions >= 10.7). Given any simple string, you will get a hex version
of a salted-SHA512 password hash that can be inserted into your Puppet
manifests as a valid password attribute.
  EOS
) do |arguments|
  require 'digest/sha2'

  raise(Puppet::ParseError, "str2saltedsha512(): Wrong number of arguments " +
    "passed (#{arguments.size} but we require 1)") if arguments.size != 1

  password = arguments[0]

  unless password.is_a?(String)
    raise(Puppet::ParseError, 'str2saltedsha512(): Requires a ' +
      "String argument, you passed: #{password.class}")
  end

  seedint    = rand(2**31 - 1)
  seedstring = Array(seedint).pack("L")
  saltedpass = Digest::SHA512.digest(seedstring + password)
  (seedstring + saltedpass).unpack('H*')[0]
end