From 6e7815a30e6897967b3c7e50f98f23c8a89c3b03 Mon Sep 17 00:00:00 2001 From: Jakub Hrozek Date: Fri, 18 Feb 2011 11:00:36 +0100 Subject: Validate NAPTR records https://fedorahosted.org/freeipa/ticket/840 --- ipalib/plugins/dns.py | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) (limited to 'ipalib/plugins/dns.py') diff --git a/ipalib/plugins/dns.py b/ipalib/plugins/dns.py index ed2f955c..a18940b3 100644 --- a/ipalib/plugins/dns.py +++ b/ipalib/plugins/dns.py @@ -155,12 +155,38 @@ def _validate_mx(ugettext, mx): return None +def _validate_naptr(ugettext, naptr): + "see RFC 2915 " + try: + order, pref, flags, svc, regexp, replacement = naptr.split() + except ValueError: + return u'format must be specified as "order preference flags service regexp replacement"' + + try: + order = int(order) + pref = int(pref) + except ValueError: + return u'order and preference must be integers' + + if order < 0 or order > 65535 or pref < 0 or pref > 65535: + return u'the value of order and preference must be between 0 and 65535' + + flags = flags.replace('"','') + flags = flags.replace('\'','') + if len(flags) != 1: + return u'flag must be a single character (quotation is allowed)' + if flags.upper() not in "SAUP": + return u'flag must be one of "S", "A", "U", or "P"' + + return None + _record_validators = { u'A': _validate_ipaddr, u'AAAA': _validate_ipaddr, u'APL': _validate_ipnet, u'SRV': _validate_srv, u'MX': _validate_mx, + u'NAPTR': _validate_naptr, } def has_cli_options(entry, no_option_msg): -- cgit