1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
# frozen_string_literal: false
require 'test/unit'
require 'resolv'
class TestResolvResource < Test::Unit::TestCase
def setup
address = "192.168.0.1"
@name1 = Resolv::DNS::Resource::IN::A.new(address)
@name1.instance_variable_set(:@ttl, 100)
@name2 = Resolv::DNS::Resource::IN::A.new(address)
end
def test_equality
bug10857 = '[ruby-core:68128] [Bug #10857]'
assert_equal(@name1, @name2, bug10857)
end
def test_hash
bug10857 = '[ruby-core:68128] [Bug #10857]'
assert_equal(@name1.hash, @name2.hash, bug10857)
end
def test_coord
Resolv::LOC::Coord.create('1 2 1.1 N')
end
def test_srv_no_compress
# Domain name in SRV RDATA should not be compressed
issue29 = 'https://github.com/ruby/resolv/issues/29'
m = Resolv::DNS::Message.new(0)
m.add_answer('example.com', 0, Resolv::DNS::Resource::IN::SRV.new(0, 0, 0, 'www.example.com'))
assert_equal "\x00\x00\x00\x00\x00\x00\x00\x01\x00\x00\x00\x00\x07example\x03com\x00\x00\x21\x00\x01\x00\x00\x00\x00\x00\x17\x00\x00\x00\x00\x00\x00\x03www\x07example\x03com\x00", m.encode, issue29
end
end
class TestResolvResourceCAA < Test::Unit::TestCase
def test_caa_roundtrip
raw_msg = "\x00\x00\x00\x00\x00\x00\x00\x02\x00\x00\x00\x00\x03new\x07example\x03com\x00\x01\x01\x00\x01\x00\x00\x00\x00\x00\x16\x00\x05issueca1.example.net\xC0\x0C\x01\x01\x00\x01\x00\x00\x00\x00\x00\x0C\x80\x03tbsUnknown".b
m = Resolv::DNS::Message.new(0)
m.add_answer('new.example.com', 0, Resolv::DNS::Resource::IN::CAA.new(0, 'issue', 'ca1.example.net'))
m.add_answer('new.example.com', 0, Resolv::DNS::Resource::IN::CAA.new(128, 'tbs', 'Unknown'))
assert_equal raw_msg, m.encode
m = Resolv::DNS::Message.decode(raw_msg)
assert_equal 2, m.answer.size
_, _, caa0 = m.answer[0]
assert_equal 0, caa0.flags
assert_equal false, caa0.critical?
assert_equal 'issue', caa0.tag
assert_equal 'ca1.example.net', caa0.value
_, _, caa1 = m.answer[1]
assert_equal true, caa1.critical?
assert_equal 128, caa1.flags
assert_equal 'tbs', caa1.tag
assert_equal 'Unknown', caa1.value
end
def test_caa_stackoverflow
# gathered in the wild
raw_msg = "\x8D\x32\x81\x80\x00\x01\x00\x0B\x00\x00\x00\x00\x0Dstackoverflow\x03com\x00\x01\x01\x00\x01\xC0\x0C\x01\x01\x00\x01\x00\x00\x01\x2C\x00\x13\x00\x05issuecomodoca.com\xC0\x0C\x01\x01\x00\x01\x00\x00\x01\x2C\x00\x2D\x00\x05issuedigicert.com; cansignhttpexchanges=yes\xC0\x0C\x01\x01\x00\x01\x00\x00\x01\x2C\x00\x16\x00\x05issueletsencrypt.org\xC0\x0C\x01\x01\x00\x01\x00\x00\x01\x2C\x00\x29\x00\x05issuepki.goog; cansignhttpexchanges=yes\xC0\x0C\x01\x01\x00\x01\x00\x00\x01\x2C\x00\x12\x00\x05issuesectigo.com\xC0\x0C\x01\x01\x00\x01\x00\x00\x01\x2C\x00\x17\x00\x09issuewildcomodoca.com\xC0\x0C\x01\x01\x00\x01\x00\x00\x01\x2C\x00\x31\x00\x09issuewilddigicert.com; cansignhttpexchanges=yes\xC0\x0C\x01\x01\x00\x01\x00\x00\x01\x2C\x00\x1A\x00\x09issuewildletsencrypt.org\xC0\x0C\x01\x01\x00\x01\x00\x00\x01\x2C\x00\x2D\x00\x09issuewildpki.goog; cansignhttpexchanges=yes\xC0\x0C\x01\x01\x00\x01\x00\x00\x01\x2C\x00\x16\x00\x09issuewildsectigo.com\xC0\x0C\x01\x01\x00\x01\x00\x00\x01\x2C\x00\x2D\x80\x05iodefmailto:sysadmin-team@stackoverflow.com".b
m = Resolv::DNS::Message.decode(raw_msg)
assert_equal 11, m.answer.size
_, _, caa3 = m.answer[3]
assert_equal 0, caa3.flags
assert_equal 'issue', caa3.tag
assert_equal 'pki.goog; cansignhttpexchanges=yes', caa3.value
_, _, caa8 = m.answer[8]
assert_equal 0, caa8.flags
assert_equal 'issuewild', caa8.tag
assert_equal 'pki.goog; cansignhttpexchanges=yes', caa8.value
_, _, caa10 = m.answer[10]
assert_equal 128, caa10.flags
assert_equal 'iodef', caa10.tag
assert_equal 'mailto:sysadmin-team@stackoverflow.com', caa10.value
end
def test_caa_flags
assert_equal 255,
Resolv::DNS::Resource::IN::CAA.new(255, 'issue', 'ca1.example.net').flags
assert_raise(ArgumentError) do
Resolv::DNS::Resource::IN::CAA.new(256, 'issue', 'ca1.example.net')
end
assert_raise(ArgumentError) do
Resolv::DNS::Resource::IN::CAA.new(-1, 'issue', 'ca1.example.net')
end
end
def test_caa_tag
assert_raise(ArgumentError, 'Empty tag should be rejected') do
Resolv::DNS::Resource::IN::CAA.new(0, '', 'ca1.example.net')
end
assert_equal '123456789012345',
Resolv::DNS::Resource::IN::CAA.new(0, '123456789012345', 'ca1.example.net').tag
assert_raise(ArgumentError, 'Tag longer than 15 bytes should be rejected') do
Resolv::DNS::Resource::IN::CAA.new(0, '1234567890123456', 'ca1.example.net')
end
end
end
|
