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|
# helper functions for daemons
require 'puppet'
module Puppet
module Daemon
def daemonize
unless Puppet[:logdest] == :file
raise Puppet::DevError,
"You must reset log destination before daemonizing"
end
if pid = fork()
Process.detach(pid)
exit(0)
end
Process.setsid
Dir.chdir("/")
begin
$stdin.reopen "/dev/null"
$stdout.reopen "/dev/null", "a"
$stderr.reopen $stdout
Log.reopen
rescue => detail
File.open("/tmp/daemonout", "w") { |f|
f.puts "Could not start %s: %s" % [$0, detail]
}
Puppet.err "Could not start %s: %s" % [$0, detail]
exit(12)
end
end
def fqdn
unless defined? @fqdn and @fqdn
hostname = Facter["hostname"].value
domain = Facter["domain"].value
@fqdn = [hostname, domain].join(".")
end
return @fqdn
end
def httplog
args = []
# yuck; separate http logs
file = nil
if self.is_a?(Puppet::Server)
file = Puppet[:masterhttplog]
else
file = Puppet[:httplog]
end
unless FileTest.exists?(File.dirname(file))
Puppet.recmkdir(File.dirname(file))
end
args << file
if Puppet[:debug]
args << WEBrick::Log::DEBUG
end
log = WEBrick::Log.new(*args)
return log
end
def readcert
return unless @secureinit
# verify we've got all of the certs set up and such
if defined? @cert and defined? @key and @cert and @key
return true
end
# we are not going to encrypt our key, but we need at a minimum
# a keyfile and a certfile
@certfile = File.join(Puppet[:certdir], [@fqdn, "pem"].join("."))
@cacertfile = File.join(Puppet[:certdir], ["ca", "pem"].join("."))
@keyfile = File.join(Puppet[:privatekeydir], [@fqdn, "pem"].join("."))
@publickeyfile = File.join(Puppet[:publickeydir], [@fqdn, "pem"].join("."))
if File.exists?(@keyfile)
# load the key
@key = OpenSSL::PKey::RSA.new(File.read(@keyfile))
else
return false
end
if File.exists?(@certfile)
if File.exists?(@cacertfile)
@cacert = OpenSSL::X509::Certificate.new(File.read(@cacertfile))
else
raise Puppet::Error, "Found cert file with no ca cert file"
end
@cert = OpenSSL::X509::Certificate.new(File.read(@certfile))
else
return false
end
return true
end
def requestcert
retrieved = false
# create the directories involved
[Puppet[:certdir], Puppet[:privatekeydir], Puppet[:csrdir],
Puppet[:publickeydir]].each { |dir|
unless FileTest.exists?(dir)
Puppet.recmkdir(dir, 0770)
end
}
if self.readcert
Puppet.info "Certificate already exists; not requesting"
return true
end
unless defined? @key and @key
# create a new one and store it
Puppet.info "Creating a new SSL key at %s" % @keyfile
@key = OpenSSL::PKey::RSA.new(Puppet[:keylength])
File.open(@keyfile, "w", 0660) { |f| f.print @key.to_pem }
File.open(@publickeyfile, "w", 0660) { |f|
f.print @key.public_key.to_pem
}
end
unless defined? @driver
Puppet.err "Cannot request a certificate without a defined target"
return false
end
Puppet.info "Creating a new certificate request for %s" % @fqdn
name = OpenSSL::X509::Name.new([["CN", @fqdn]])
@csr = OpenSSL::X509::Request.new
@csr.version = 0
@csr.subject = name
@csr.public_key = @key.public_key
@csr.sign(@key, OpenSSL::Digest::MD5.new)
Puppet.info "Requesting certificate"
begin
cert, cacert = @driver.getcert(@csr.to_pem)
rescue => detail
raise Puppet::Error.new("Certificate retrieval failed: %s" %
detail)
end
if cert.nil? or cert == ""
return nil
end
File.open(@certfile, "w", 0660) { |f| f.print cert }
File.open(@cacertfile, "w", 0660) { |f| f.print cacert }
begin
@cert = OpenSSL::X509::Certificate.new(cert)
@cacert = OpenSSL::X509::Certificate.new(cacert)
retrieved = true
rescue => detail
raise Puppet::Error.new(
"Invalid certificate: %s" % detail
)
end
unless @cert.check_private_key(@key)
raise Puppet::DevError, "Received invalid certificate"
end
return retrieved
end
end
end
# $Id$
|
