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#
# str2saltedsha1.rb
#
module Puppet::Parser::Functions
newfunction(:str2sha1_and_salt, :type => :rvalue, :doc => <<-EOS
This converts a string to an array containing the salted SHA1 password hash in
the first field, and the salt itself in second field of the returned array.
This combination is used i.e. for couchdb passwords.
EOS
) do |arguments|
require 'digest/sha1'
raise(Puppet::ParseError, "str2saltedsha1(): 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, 'str2saltedsha1(): Requires a ' +
"String argument, you passed: #{password.class}")
end
seedint = rand(2**31 - 1)
seedstring = Array(seedint).pack("L")
salt = Digest::MD5.hexdigest(seedstring)
saltedpass = Digest::SHA1.hexdigest(password + salt)
array = Array.new
array << saltedpass
array << salt
return array
end
end
# vim: set ts=2 sw=2 et :
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