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# --
# Copyright 2007 Nominet UK
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ++
require_relative 'spec_helper'
class VerifierTest < Minitest::Test
def test_sha2
# Check if OpenSSL supports SHA2
have_sha2 = false
begin
OpenSSL::Digest::SHA256.new
have_sha2 = true
rescue Exception
end
if (have_sha2)
# print "OpenSSL supports SHA2\n"
do_test_sha256
do_test_sha512
do_test_nsec
do_test_ecdsa256
else
print "OpenSSL doesn't support SHA2 - disabling SHA256/SHA512 tests. DNSSEC validation will not work with these type of signatures.\n"
end
end
def do_test_sha256
key256 = Dnsruby::RR.create("example.net. 3600 IN DNSKEY (256 3 8 AwEAAcFcGsaxxdgiuuGmCkVI
my4h99CqT7jwY3pexPGcnUFtR2Fh36BponcwtkZ4cAgtvd4Qs8P
kxUdp6p/DlUmObdk= );{id = 9033 (zsk), size = 512b}")
a = Dnsruby::RR.create("www.example.net. 3600 IN A 192.0.2.91")
sig = Dnsruby::RR.create("www.example.net. 3600 IN RRSIG (A 8 3 3600 20300101000000
20000101000000 9033 example.net. kRCOH6u7l0QGy9qpC9
l1sLncJcOKFLJ7GhiUOibu4teYp5VE9RncriShZNz85mwlMgNEa
cFYK/lPtPiVYP4bwg==) ;{id = 9033}")
rrset = Dnsruby::RRSet.new(a)
rrset.add(sig)
verifier = Dnsruby::SingleVerifier.new(nil)
verifier.verify_rrset(rrset, key256)
end
def do_test_sha512
key512 = Dnsruby::RR.create("example.net. 3600 IN DNSKEY (256 3 10 AwEAAdHoNTOW+et86KuJOWRD
p1pndvwb6Y83nSVXXyLA3DLroROUkN6X0O6pnWnjJQujX/AyhqFD
xj13tOnD9u/1kTg7cV6rklMrZDtJCQ5PCl/D7QNPsgVsMu1J2Q8g
pMpztNFLpPBz1bWXjDtaR7ZQBlZ3PFY12ZTSncorffcGmhOL
);{id = 3740 (zsk), size = 1024b}")
a = Dnsruby::RR.create("www.example.net. 3600 IN A 192.0.2.91")
sig = Dnsruby::RR.create("www.example.net. 3600 IN RRSIG (A 10 3 3600 20300101000000
20000101000000 3740 example.net. tsb4wnjRUDnB1BUi+t
6TMTXThjVnG+eCkWqjvvjhzQL1d0YRoOe0CbxrVDYd0xDtsuJRa
eUw1ep94PzEWzr0iGYgZBWm/zpq+9fOuagYJRfDqfReKBzMweOL
DiNa8iP5g9vMhpuv6OPlvpXwm9Sa9ZXIbNl1MBGk0fthPgxdDLw
=);{id = 3740}")
rrset = Dnsruby::RRSet.new(a)
rrset.add(sig)
verifier = Dnsruby::SingleVerifier.new(nil)
verifier.verify_rrset(rrset, key512)
end
def do_test_ecdsa256
Time.stub :now, Time.parse("Wed, 01 Jul 2020 11:54:04 EEST +03:00") do
ecdsa256 = Dnsruby::RR.create("rainiselevi.ee. 3600 IN DNSKEY 256 3 ECDSAP256SHA256 ( oJMRESz5E
4gYzS/q6XDrvU1qMPYIjCWzJaOau8XNEZeqCYKD5ar0IRd8KqXXFJkqmVfRvMGPmM1x8fGAa2XhSA== ) ; key_tag=34505")
a = Dnsruby::RR.create("rainiselevi.ee. 3600 IN A 35.228.30.236")
sig = Dnsruby::RR.create("rainiselevi.ee. 3600 IN RRSIG A ECDSAP256SHA256 2 300 20200702092142 ( 20200630072142 34505
rainiselevi.ee. kf3Fl1mSIso2kB12QOr+aNWYTUXtx9nRC/v+Kn1454u9I/YAFQd6nJQAsFd9vCTsZY+nL4wpj5pV+EsAMIxccA== )")
rrset = Dnsruby::RRSet.new(a)
rrset.add(sig)
verifier = Dnsruby::SingleVerifier.new(nil)
assert(verifier.verify_rrset(rrset, ecdsa256))
end
end
def test_se_query
# Run some queries on the .se zone
Dnsruby::Dnssec.clear_trusted_keys
Dnsruby::Dnssec.clear_trust_anchors
res = Dnsruby::Resolver.new(Dnsruby::Resolv.getaddress("a.ns.se"))
res.dnssec = true
r = res.query("se", Dnsruby::Types.ANY)
# See comment below
Dnsruby::Dnssec.anchor_verifier.add_trusted_key(r.answer.rrset("se", 'DNSKEY'))
nss = r.answer.rrset("se", 'NS')
ret = Dnsruby::Dnssec.verify_rrset(nss)
assert(ret, "Dnssec verification failed")
end
def test_verify_message
Dnsruby::Dnssec.clear_trusted_keys
Dnsruby::Dnssec.clear_trust_anchors
res = Dnsruby::Resolver.new(Dnsruby::Resolv.getaddress("a.ns.se"))
res.udp_size = 5000
r = res.query("se", Dnsruby::Types.DNSKEY)
# This shouldn't be in the code - but the key is rotated by the .se registry
# so we can't keep up with it in the test code.
# Oh, for a signed root...
# print "Adding keys : #{r.answer.rrset("se", 'DNSKEY')}\n"
Dnsruby::Dnssec.anchor_verifier.add_trusted_key(r.answer.rrset("se", 'DNSKEY'))
ret = Dnsruby::Dnssec.verify(r)
assert(ret, "Dnssec message verification failed : #{ret}")
end
def test_verify_message_fails
Dnsruby::Dnssec.clear_trusted_keys
Dnsruby::Dnssec.clear_trust_anchors
res = Dnsruby::Resolver.new("a.ns.se")
r = res.query("se", Dnsruby::Types.ANY)
# Haven't configured key for this, so should fail
begin
ret = Dnsruby::Dnssec.verify(r)
fail("Message shouldn't have verified")
rescue (Dnsruby::VerifyError)
end
# assert(!ret, "Dnssec message verification failed")
end
def test_trusted_key
Dnsruby::Dnssec.clear_trusted_keys
Dnsruby::Dnssec.clear_trust_anchors
res = Dnsruby::Resolver.new("dnssec.nominet.org.uk")
res.dnssec = true
bad_key = Dnsruby::RR.create(
"uk-dnssec.nic.uk. 86400 IN DNSKEY 257 3 5 "+
"AwEAAbhThsjZqxZDyZLie1BYP+R/G1YRhmuIFCbmuQiF4NB86gpW8EVR l2s+gvNuQw6yh2YdDdyJBselE4znRP1XQbpOTC5UO5CDwge9NYja/jrX lvrX2N048vhIG8uk8yVxJDosxf6nmptsJBp3GAjF25soJs07Bailcr+5 vdZ7GibH")
ret = Dnsruby::Dnssec.add_trust_anchor(bad_key)
r = res.query("uk-dnssec.nic.uk", Dnsruby::Types.DNSKEY)
begin
ret = Dnsruby::Dnssec.verify(r)
fail("Dnssec trusted key message verification should have failed with bad key")
rescue (Dnsruby::VerifyError)
# assert(!ret, "Dnssec trusted key message verification should have failed with bad key")
end
trusted_key = Dnsruby::RR.create({:name => "uk-dnssec.nic.uk.",
:type => Dnsruby::Types.DNSKEY,
:flags => 257,
:protocol => 3,
:algorithm => 5,
:key=> "AQPJO6LjrCHhzSF9PIVV7YoQ8iE31FXvghx+14E+jsv4uWJR9jLrxMYm sFOGAKWhiis832ISbPTYtF8sxbNVEotgf9eePruAFPIg6ZixG4yMO9XG LXmcKTQ/cVudqkU00V7M0cUzsYrhc4gPH/NKfQJBC5dbBkbIXJkksPLv Fe8lReKYqocYP6Bng1eBTtkA+N+6mSXzCwSApbNysFnm6yfQwtKlr75p m+pd0/Um+uBkR4nJQGYNt0mPuw4QVBu1TfF5mQYIFoDYASLiDQpvNRN3 US0U5DEG9mARulKSSw448urHvOBwT9Gx5qF2NE4H9ySjOdftjpj62kjb Lmc8/v+z"
})
ret = Dnsruby::Dnssec.add_trust_anchor(trusted_key)
ret = Dnsruby::Dnssec.verify(r)
assert(ret, "Dnssec trusted key message verification failed")
# # Check that keys have been added to trusted key cache
# ret = Dnsruby::Dnssec.verify(r)
# assert(ret, "Dnssec trusted key cache failed")
end
def test_expired_keys
# Add some keys with an expiration of 1 second.
# Then wait a second or two, and check they are not available any more.
Dnsruby::Dnssec.clear_trusted_keys
Dnsruby::Dnssec.clear_trust_anchors
assert(Dnsruby::Dnssec.anchor_verifier.trusted_keys.length==0)
trusted_key = Dnsruby::RR.create({:name => "uk-dnssec.nic.uk.",
:type => Dnsruby::Types.DNSKEY,
:key=> "AQPJO6LjrCHhzSF9PIVV7YoQ8iE31FXvghx+14E+jsv4uWJR9jLrxMYm sFOGAKWhiis832ISbPTYtF8sxbNVEotgf9eePruAFPIg6ZixG4yMO9XG LXmcKTQ/cVudqkU00V7M0cUzsYrhc4gPH/NKfQJBC5dbBkbIXJkksPLv Fe8lReKYqocYP6Bng1eBTtkA+N+6mSXzCwSApbNysFnm6yfQwtKlr75p m+pd0/Um+uBkR4nJQGYNt0mPuw4QVBu1TfF5mQYIFoDYASLiDQpvNRN3 US0U5DEG9mARulKSSw448urHvOBwT9Gx5qF2NE4H9ySjOdftjpj62kjb Lmc8/v+z"
})
Dnsruby::Dnssec.add_trust_anchor_with_expiration(trusted_key, Time.now.to_i + 1)
assert(Dnsruby::Dnssec.trust_anchors.length==1)
sleep(2)
assert(Dnsruby::Dnssec.trust_anchors.length==0)
end
def test_tcp
# These queries work:
# dig @194.0.1.13 isoc.lu dnskey
# dig @194.0.1.13 isoc.lu dnskey +dnssec
# dig @194.0.1.13 isoc.lu dnskey +tcp
# This one does not
#
# dig @194.0.1.13 isoc.lu dnskey +dnssec +tcp
r = Dnsruby::SingleResolver.new()# "194.0.1.13")
r.dnssec = true
r.use_tcp = true
ret = r.query("isoc.lu", Dnsruby::Types.DNSKEY)
# print ret.to_s+"\n"
r = Dnsruby::SingleResolver.new("194.0.1.13")
r.dnssec = true
# r.use_tcp = true
ret = r.query("isoc.lu", Dnsruby::Types.DNSKEY)
# print ret.to_s+"\n"
r.use_tcp = true
r.dnssec = false
ret = r.query("isoc.lu", Dnsruby::Types.DNSKEY)
# print ret.to_s+"\n"
r.dnssec = true
begin
ret = r.query("isoc.lu", Dnsruby::Types.DNSKEY)
rescue (Dnsruby::OtherResolvError)
end
end
def test_sendraw
Dnsruby::Dnssec.clear_trusted_keys
Dnsruby::Dnssec.clear_trust_anchors
res = Dnsruby::Resolver.new("a.ns.se")
res.dnssec = true
message = Dnsruby::Message.new("se", Dnsruby::Types.ANY)
begin
res.send_message(message)
fail()
rescue (Exception)
end
message.send_raw = true
res.send_message(message)
end
def test_dsa
# Let's check sources.org for DSA keys
Dnsruby::Dnssec.clear_trusted_keys
Dnsruby::Dnssec.clear_trust_anchors
res = Dnsruby::Recursor.new()
ret = res.query("sources.org", Dnsruby::Types.DNSKEY)
keys = ret.rrset("sources.org", "DNSKEY")
assert(keys && keys.length > 0)
dsa = nil
keys.each {|key|
if (key.algorithm == Dnsruby::Algorithms.DSA)
dsa = key
end
}
assert(dsa)
# Now do something with it
response = res.query("sources.org", Dnsruby::Types.ANY)
verified = 0
# response.each_section {|sec|
response.answer.rrsets.each {|rs|
if (rs.sigs()[0].algorithm == Dnsruby::Algorithms.DSA &&
rs.sigs()[0].key_tag == dsa.key_tag)
ret = Dnsruby::Dnssec.verify_rrset(rs, keys)
assert(ret)
verified+=1
end
}
# }
assert(verified > 0)
end
def do_test_nsec
begin
begin
require 'rubygems'
rescue LoadError
end
require 'timecop'
rescue LoadError
return
end
Timecop.travel(2010, 03, 24, 0, 0, 0) {
key = Dnsruby::RR.create("in-addr-servers.arpa. 3600 IN DNSKEY 256 3 8 AwEAAcoEdjN6PM57REYLqLCBNfjCbQQU8pSNOz/kRwP75YQzidnaQpCO4+rjOYSAPH5lAjtT+AxuUB33DkOhQHPDSO87JLt1pm65eNNsz10COEExfuokM98qiURN76kv3N1n/gRG2693tpkmVdvSTRCbReyq6BlzKuYABGLD3V3MUB4j ;{id = 12033 (zsk), size = 1024b}")
verifier = Dnsruby::SingleVerifier.new(Dnsruby::SingleVerifier::VerifierType::ANCHOR)
key_rrset = Dnsruby::RRSet.new(key)
verifier.add_trusted_key(key_rrset);
sig = Dnsruby::RR.create("b.in-addr-servers.arpa. 3600 IN RRSIG NSEC 8 3 3600 20100325113758 20100318052509 12033 in-addr-servers.arpa. uy5aUIhq3eKc24gcoyBoLYaR6kKtG957zpR0G2pf1XPCO2ESzwdIkXK0/XeUkRMmPRnKfGOhwNYIBK26kX3PYxaIPsDZVc5ZAC3uc/+EpCosMn3FJQQDiNx/gznEQZk0JRxTUMMMucCNW2HVU18NVtTQhT0MaAsLyG8OduWuMCI= ;{id = 12033}")
nsec = Dnsruby::RR.create("B.in-addr-servers.arpa. 3600 IN NSEC C.in-addr-servers.arpa. A AAAA RRSIG NSEC")
rrset = Dnsruby::RRSet.new(nsec)
rrset.add(sig)
verifier.verify_rrset(rrset, key_rrset)
}
end
def test_naptr
begin
begin
require 'rubygems'
rescue LoadError
end
require 'timecop'
rescue LoadError
return
end
Timecop.travel(2010, 03, 24, 0, 0, 0) {
key = Dnsruby::RR.create("all.rr.org. 2678400 IN DNSKEY 256 3 7 AwEAAcW1ZJxnMxZAAfsQ0JJQPHOlVNeGzs/AWVSGXiIYsg9UUSsvRTiK/Wy2wD7XC6osZpgy4Blhm846wktPbCwHpkxxbjxpaMABjbhH14gRol1Gpzf+gOr8vpdii8c2y6VMN9kIXZyaZUWcshLii19ysSGlqY1a1g2XZjogFtvzDHjH ;{id = 43068 (zsk), size = 1024b}")
verifier = Dnsruby::SingleVerifier.new(Dnsruby::SingleVerifier::VerifierType::ANCHOR)
key_rrset = Dnsruby::RRSet.new(key)
verifier.add_trusted_key(key_rrset);
sig = Dnsruby::RR.create("all.rr.org. 86400 IN RRSIG NAPTR 7 3 86400 20100727230632 20090919145743 43068 all.rr.org. RpyBsaLiaZ/OqX5twE0SoMhlVZVAHuAlS4FZqmnAg+udF3EwrY6N/POt3nPCtgwf7tczaxrMK6zWkOldfv37iyIgXIxDQvhoCb7IoffI5TsBL5CWl5n7pg8BNAMpLxd8HIu1DShWvlplpFbBWIaC6tZCR6ft/iP+uhU7dYcqTHg= ;{id = 43068}")
naptr = Dnsruby::RR.create('all.rr.org. 86400 IN NAPTR 100 10 "" "" "!^urn:cid:.+@([^\\\\.]+\\\\.)(.*)$!\\\\2!i" .')
rrset = Dnsruby::RRSet.new(naptr)
rrset.add(sig)
verifier.verify_rrset(rrset, key_rrset)
}
end
def test_txt_rr
begin
begin
require 'rubygems'
rescue LoadError
end
require 'timecop'
rescue LoadError
return
end
Timecop.travel(2010, 03, 24, 0, 0, 0) {
txt = 'txt2.all.rr.org. 86400 IN TXT "Net-DNS\\\\; complicated $tuff" "sort of \\" text\\\\; and binary \\000 data"'
rr = Dnsruby::RR.create(txt)
assert(rr.to_s.index('"Net-DNS\\\\; complicated $tuff" "sort of \\" text\\\\; and binary \\000 data"'), rr.to_s)
key = Dnsruby::RR.create("all.rr.org. 2678400 IN DNSKEY 256 3 7 AwEAAcW1ZJxnMxZAAfsQ0JJQPHOlVNeGzs/AWVSGXiIYsg9UUSsvRTiK/Wy2wD7XC6osZpgy4Blhm846wktPbCwHpkxxbjxpaMABjbhH14gRol1Gpzf+gOr8vpdii8c2y6VMN9kIXZyaZUWcshLii19ysSGlqY1a1g2XZjogFtvzDHjH ;{id = 43068 (zsk), size = 1024b}")
verifier = Dnsruby::SingleVerifier.new(Dnsruby::SingleVerifier::VerifierType::ANCHOR)
key_rrset = Dnsruby::RRSet.new(key)
verifier.add_trusted_key(key_rrset);
sig = Dnsruby::RR.create("txt2.all.rr.org. 86400 IN RRSIG TXT 7 4 86400 20100813002344 20091006093439 43068 all.rr.org. LJv/ccd2JHyT6TK74Dtu/zH4jdeR4ScyrB8cGwaqeCjwxG4H5FY88Sk/U0JUQyxnUificnyZQwcyXAItn7QjBMHQO4ftVxl/gDCyt6MEXy9JKK/rfvXcAceo5prmlVrb8WxT5YnvPha3CxjK7f+YIs5cqppRVaZTQTxsAsJyJ20= ;{id = 43068}")
txt = Dnsruby::RR.create('txt2.all.rr.org. 86400 IN TXT "Net-DNS\\\\; complicated $tuff" "sort of \\" text\\\\; and binary \\000 data"')
rrset = Dnsruby::RRSet.new(txt)
rrset.add(sig)
verifier.verify_rrset(rrset, key_rrset)
}
end
# def test_txt_zonefile
# reader = Dnsruby::ZoneReader.new("cacert.org.")
# zone = reader.process_file("cacert.txt")
# reader2 = Dnsruby::ZoneReader.new("cacert.org.")
# zone2 = reader.process_file("cacert.signed.txt")
# assert(zone[1].to_s.index("DAQAB\""))
# assert(zone2[1].to_s.index("DAQAB\""))
#
# assert(zone[1].to_s == zone2[1].to_s)
# end
#
# def test_txt_from_zone
# reader = Dnsruby::ZoneReader.new("all.rr.org.")
# zone = reader.process_file("zone.txt")
# rrset = Dnsruby::RRSet.new
# key_rrset = Dnsruby::RRSet.new
# zone.each {|rr|
# if ( (rr.type == Dnsruby::Types.TXT) || ((rr.type == Dnsruby::Types.RRSIG) && (rr.type_covered == Dnsruby::Types.TXT)))
# rrset.add(rr)
# end
# if (rr.type == Dnsruby::Types.DNSKEY)
# key_rrset.add(rr)
# end
# }
# verifier = Dnsruby::SingleVerifier.new(Dnsruby::SingleVerifier::VerifierType::ANCHOR)
# verifier.verify_rrset(rrset, key_rrset)
# end
# def test_naptr_from_zone
# reader = Dnsruby::ZoneReader.new("all.rr.org.")
# zone = reader.process_file("zone.txt")
# rrset = Dnsruby::RRSet.new
# key_rrset = Dnsruby::RRSet.new
# zone.each {|rr|
# if ((rr.type == Dnsruby::Types.NAPTR) || ((rr.type == Dnsruby::Types.RRSIG) && (rr.type_covered == Dnsruby::Types.NAPTR)))
# rrset.add(rr)
# end
# if (rr.type == Dnsruby::Types.DNSKEY)
# key_rrset.add(rr)
# end
# }
# verifier = Dnsruby::SingleVerifier.new(Dnsruby::SingleVerifier::VerifierType::ANCHOR)
# verifier.verify_rrset(rrset, key_rrset)
# end
end
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