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authorJakub Hrozek <jhrozek@redhat.com>2011-02-18 11:00:36 +0100
committerRob Crittenden <rcritten@redhat.com>2011-02-22 09:08:11 -0500
commit6e7815a30e6897967b3c7e50f98f23c8a89c3b03 (patch)
tree2612749cee46e4ce254bda92d050471e88825fd6 /ipalib/plugins
parente7ed4035b5bc7bf57d54f5b8dfd789af16671d4b (diff)
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Validate NAPTR records
https://fedorahosted.org/freeipa/ticket/840
Diffstat (limited to 'ipalib/plugins')
-rw-r--r--ipalib/plugins/dns.py26
1 files changed, 26 insertions, 0 deletions
diff --git a/ipalib/plugins/dns.py b/ipalib/plugins/dns.py
index ed2f955c6..a18940b3a 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):