In message <4a093b9c.5060...@afnic.fr>, sandoche BALAKRICHENAN writes: > > I want to rewrite a query of the form > "sgtin.5.4.0.0.0.1.3.2.4.5.6.7.6.id.onsam.test" to > "sgtin.5.4.0.0.0.1.3.2.4.5.6.7.6.id.onseu.test" using NAPTR rewrite. > > The NAPTR RR in the zone config is as follows: > > sgtin.5.4.0.0.0.1.3.2.4.5.6.7.6.id.onsam.test IN NAPTR > 0 0 "r" "" "!^sgtin\.([0-9])$!\1.id.onseu.test!" . > > BIND does not accept backref "\1" . It shows a syntax error. > > Is the above regexp correct?
You failed to properly escape the string. >From RFC2168. Recall that the regular expression used \2 to extract a domain name from the CID, and \. for matching the literal '.' characters seperating the domain name components. Since '\' is the escape character, literal occurances of a backslash must be escaped by another backslash. For the case of the cid.urn.net record above, the regular expression entered into the zone file should be "/urn:cid:.+@([^\\.]+\\.)(.*)$/\\2/i". When the client code actually receives the record, the pattern will have been converted to "/urn:cid:.+@([^.]+\.)(.*)$/\2/i". -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: mark_andr...@isc.org _______________________________________________ bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
