Commit ccd4e1d6 authored by JINMEI Tatuya's avatar JINMEI Tatuya
Browse files

(partially) supported NSEC generation


git-svn-id: svn://bind10.isc.org/svn/bind10/trunk@1484 e5f2f494-b856-4b98-b285-d166d9295462
parent 2bf4c79e
......@@ -6,6 +6,7 @@ from optparse import OptionParser
re_hex = re.compile('0x[0-9a-fA-F]+')
re_decimal = re.compile('\d+$')
re_string = re.compile("\'(.+)\'$")
dnssec_timefmt = '%Y%m%d%H%M%S'
......@@ -46,6 +47,9 @@ def parse_value(value, xtable = {}):
return int(value, 16)
if re.search(re_decimal, value):
return int(value)
m = re.match(re_string, value)
if m:
return m.group(1)
lovalue = value.lower()
if lovalue in xtable:
return xtable[lovalue]
......@@ -190,6 +194,29 @@ class SOA:
self.retry, self.expire,
self.minimum))
class NSEC:
rdlen = -1 # auto-calculate
nextname = 'next.example.com'
block = 0
maplen = -1 # auto-calculate
bitmap = '040000000003'
def dump(self, f):
name_wire = encode_name(self.nextname)
rdlen = self.rdlen
maplen = self.maplen
if maplen < 0:
maplen = int(len(self.bitmap) / 2)
# if rdlen needs to be calculated, it must be based on the bitmap
# length, because the configured maplen can be fake.
if rdlen < 0:
rdlen = int(len(name_wire) / 2) + 2 + int(len(self.bitmap) / 2)
f.write('\n# NSEC RDATA (RDLEN=%d)\n' % rdlen)
f.write('%04x\n' % rdlen);
f.write('# Next Name=%s\n' % self.nextname)
f.write('%s\n' % name_wire)
f.write('# Bitmap: Block=%d, Length=%d\n' % (self.block, maplen))
f.write('%02x %02x %s\n' % (self.block, maplen, self.bitmap))
class RRSIG:
rdlen = -1 # auto-calculate
covered = 1 # A
......@@ -228,8 +255,9 @@ class RRSIG:
def get_config_param(section):
config_param = {'header' : (DNSHeader, header_xtables),
'question' : (DNSQuestion, question_xtables),
'edns' : (EDNS, {}), 'soa' : (SOA, {}), 'rrsig' : (RRSIG, {}) }
'question' : (DNSQuestion, question_xtables),
'edns' : (EDNS, {}), 'soa' : (SOA, {}),
'rrsig' : (RRSIG, {}), 'nsec' : (NSEC, {})}
s = section
m = re.match('^([^:]+)/\d+$', section)
if m:
......
Markdown is supported
0% or .
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment