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#!/usr/bin/ruby
#
# Program to receive backups and run rsync in receive mode. Must check that
# user as authorised by SSH is allowed to access particular directory.
#STDERR.print ARGV.inspect + "\n"
require 'trollop'
def error(message)
STDERR.print "*** #{message}\n"
exit 1
end
#STDERR.print "ARGV=#{ARGV.inspect}\nSSH_ORIGINAL_COMMAND=#{ENV['SSH_ORIGINAL_COMMAND']}\n"
if ENV['SSH_ORIGINAL_COMMAND']
ARGV.concat(ENV['SSH_ORIGINAL_COMMAND'].split(" "))
end
#STDERR.print "after ARGV=#{ARGV.inspect}\n"
byteback_host = ENV['BYTEBACK_HOST']
error("BYTEBACK_HOST environment not set") unless byteback_host
byteback_root = ENV['HOME'] + "/" + ENV["BYTEBACK_HOST"]
error("#{byteback_root} does not exist") unless File.directory?(byteback_root)
# force destination to be where we expect
#
if ARGV[0] == 'rsync'
ARGV[-1] = "#{byteback_root}/current"
exec(*ARGV)
elsif ARGV[0] == 'byteback-snapshot' || (ARGV[0] == 'sudo' && ARGV[1] == 'byteback-snapshot')
ARGV.concat(["--root", "#{byteback_root}"])
exec(*ARGV)
end
opts = Trollop::options do
opt :verbose, "Print diagnostics"
opt :ping, "Check connection parameters and exit"
opt :complete, "Mark current backup as complete"
end
error("Please only choose one mode") if opts[:ping] && opts[:complete]
if opts[:complete]
system("byteback-snapshot", byteback_root)
elsif opts[:ping]
exit 0
else
STDERR.print "byteback-receive failed\n"
exit 9
end
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