1# LPD - Line Printer Daemon Protocol (old-style UNIX printing) - RFC 1179 2# Pattern attributes: ok fast fast 3# Protocol groups: printer ietf_rfc_documented 4# Wiki: http://www.protocolinfo.org/wiki/LPD 5# 6# This pattern is untested. 7 8lpd 9# print waiting jobs: ^\x01[!-~]+\x0a$ 10# receive a print job: ^\x02[!-~]+\x0a.[\x01\x02\x03][\x01-\x0a -~]*\x0a$ 11# Send queue state: ^[\x03\x04][!-~]+[\x09-\x0d]+[a-z][\x09-\x0d -~]*\x0a$ 12# Remove jobs: ^\x05[!-~]+[\x09-\x0d]+([a-z][!-~]*[\x09-\x0d]+[1-9][0-9]?[0-9]?|root[\x09-\x0d]+[!-~]+).*\x0a$ 13 14# This pattern looks like it might match random data once in a while, but 15# testing shows that this is not the case. 16 17^(\x01[!-~]+|\x02[!-~]+\x0a.[\x01\x02\x03][\x01-\x0a -~]*|[\x03\x04][!-~]+[\x09-\x0d]+[a-z][\x09-\x0d -~]*|\x05[!-~]+[\x09-\x0d]+([a-z][!-~]*[\x09-\x0d]+[1-9][0-9]?[0-9]?|root[\x09-\x0d]+[!-~]+).*)\x0a$ 18