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
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
|
local inet = require 'inet'
local test = require 'test'
local insert = table.insert
local function parse(addr)
local ret, err = inet(addr)
assert(ret, (err or '')..' '..addr)
return ret, err
end
local function dontparse(...)
test.fail(parse, ...)
end
local function all_the_same(t)
local first
for i=1,#t do
local ip = parse(t[i])
if not first then
first = ip
else
assert(first == ip)
end
end
end
local function rfc4291()
-- RFC 4291 - IP Version 6 Addressing Architecture
assert(tostring(parse('2001:DB8:0:0:8:800:200C:417A'))
== string.lower('2001:DB8::8:800:200C:417A'))
assert(tostring(parse('FF01:0:0:0:0:0:0:101')) == string.lower('FF01::101'))
assert(tostring(parse('0:0:0:0:0:0:0:1')) == '::1')
assert(tostring(parse('0:0:0:0:0:0:0:0')) == '::')
assert(tostring(parse('::')) == '::')
end
local function rfc5952()
-- RFC 5952 - A Recommendation for IPv6 Address Text Representation
-- 1. Introduction
all_the_same {
'2001:db8:0:0:1:0:0:1',
'2001:0db8:0:0:1:0:0:1',
'2001:db8::1:0:0:1',
'2001:db8::0:1:0:0:1',
'2001:0db8::1:0:0:1',
'2001:db8:0:0:1::1',
'2001:db8:0000:0:1::1',
'2001:DB8:0:0:1::1',
}
-- 2.1. Leading Zeros in a 16-Bit Field
all_the_same {
'2001:db8:aaaa:bbbb:cccc:dddd:eeee:0001',
'2001:db8:aaaa:bbbb:cccc:dddd:eeee:001',
'2001:db8:aaaa:bbbb:cccc:dddd:eeee:01',
'2001:db8:aaaa:bbbb:cccc:dddd:eeee:1',
}
-- 2.2. Zero Compression
all_the_same {
'2001:db8:aaaa:bbbb:cccc:dddd::1',
'2001:db8:aaaa:bbbb:cccc:dddd:0:1',
}
all_the_same {
'2001:db8:0:0:0::1',
'2001:db8:0:0::1',
'2001:db8:0::1',
'2001:db8::1',
}
all_the_same {
'2001:db8::aaaa:0:0:1',
'2001:db8:0:0:aaaa::1',
}
-- 2.3. Uppercase or Lowercase
all_the_same {
'2001:db8:aaaa:bbbb:cccc:dddd:eeee:aaaa',
'2001:db8:aaaa:bbbb:cccc:dddd:eeee:AAAA',
'2001:db8:aaaa:bbbb:cccc:dddd:eeee:AaAa',
}
-- 4.1. Handling Leading Zeros in a 16-Bit Field
assert(parse('2001:0db8::0001'):ipstring() == '2001:db8::1')
assert(parse('2001:0db8:0000:1::0001'):ipstring() == '2001:db8:0:1::1')
-- 4.2.1. Shorten as Much as Possible
assert(parse('2001:db8:0:0:0:0:2:1'):ipstring() == '2001:db8::2:1')
assert(parse('2001:db8::0:1'):ipstring() == '2001:db8::1')
-- 4.2.2. Handling One 16-Bit 0 Field
assert(parse('2001:db8::1:1:1:1:1'):ipstring() == '2001:db8:0:1:1:1:1:1')
-- 4.2.3. Choice in Placement of "::"
assert(parse('2001:db8:0:0:1::1'):ipstring() == '2001:db8::1:0:0:1')
-- 4.3. Lowercase
assert(parse('2001:DB8::ABCD:EF'):ipstring() == '2001:db8::abcd:ef')
-- 5. Text Representation of Special Addresses
assert(parse('::ffff:192.0.2.1'):ipstring4() == '::ffff:192.0.2.1')
assert(parse('0:0:0:0:0:ffff:192.0.2.1'):ipstring4() == '::ffff:192.0.2.1')
assert(parse('1:2:3:0:0:ffff:0.0.0.0'):ipstring4() == '1:2:3::ffff:0.0.0.0')
assert(parse('1:2:3:0:0:ffff::'):ipstring4() == '1:2:3::ffff:0.0.0.0')
end
local function misc()
local ip
-- parsing
parse('1:2:3:4:5:6:7:8')
parse('::1/33')
parse('1::/33')
parse('1:2:3:4:5:6:7::/33')
parse('::2:3:4:5:6:7:8/33')
parse('2a03:5440:1010::80/64')
dontparse('::1::/33')
dontparse('::1/33a')
dontparse('::1/150')
dontparse('1:2:3:4::2:3:4:5:6:7:8/33')
--print(parse('0:0:0:0:0:0:13.1.68.3'))
assert(tostring(parse('2001:0DB8:0000:CD30:0000:0000:0000:0000/60'))
== '2001:db8:0:cd30::/60')
assert(tostring(parse('2001:0DB8::CD30:0:0:0:0/60')) == '2001:db8:0:cd30::/60')
assert(tostring(parse('2001:0DB8:0:CD30::/60')) == '2001:db8:0:cd30::/60')
dontparse('2001:0DB8:0:CD3/60')
assert(tostring(parse('1:0:0:1::/64') * 1) == '1:0:0:2::/64')
assert(tostring(parse('1::/64') * 5 / 32 * 3) == '1:3:0:5::/32')
assert(tostring(parse('5::64') / 32 * -3) == '4:fffd::64/32')
assert(tostring(parse('2::/32') ^ 1) == '2::/33')
assert(tostring(parse('2::/32') ^ -1) == '2::/31')
assert(tostring(parse('2::/128') * 5) == '2::5')
assert(tostring(parse('2::/127') * 5) == '2::a/127')
assert(tostring(parse('2::/49') - 1)
== '1:ffff:ffff:ffff:ffff:ffff:ffff:ffff/49')
assert(tostring(parse('2::/49') - 1 + 2) == '2::1/49')
assert(tostring(parse('1:ffff:ffff:fe00::/56') * 2) == '2::/56')
assert(tostring(parse('1:ffff:ffff:fe00::/56') * 2 * -2)
== '1:ffff:ffff:fe00::/56')
ip = inet('10.0.0.0/33')
assert(ip == nil)
ip = inet('10.0.0.0/24')
assert(type(ip) == 'table')
assert(#ip == 24, 'incorrect netmask')
assert(ip:family() == 4, 'incorrect family')
assert(tostring(ip) == '10.0.0.0/24', 'not human readable')
assert(inet('10.0.0.0/32') == inet('10.0.0.0'))
assert(inet('10.0.0.0/31') ~= inet('10.0.0.0'))
assert(tostring(ip+1) == '10.0.0.1/24', 'ip adding is broken')
assert(tostring(ip+9-1) == '10.0.0.8/24', 'ip subtract is broken')
assert(tostring(ip*1) == '10.0.1.0/24', 'ip multiplification is broken')
assert(tostring(ip/8) == '10.0.0.0/8', 'ip division is broken')
assert(tostring(ip^1) == '10.0.0.0/25', 'ip power is broken')
-- test inet4.__lt
assert(inet('10.0.0.0/24') < inet('10.0.0.0/30'), 'inet less than is broken')
assert(not (inet('10.0.0.0/30') > inet('10.0.0.0/30')), 'inet less than is broken')
assert(inet('10.0.0.0/30') >= inet('10.0.0.0/30'), 'inet less than is broken')
assert(inet('10.0.0.0/30') <= inet('10.0.0.0/30'), 'inet less than is broken')
assert(inet('10.0.0.0/30') > inet('10.0.0.0/24'), 'inet less than is broken')
assert(not (inet('10.0.0.0/24') > inet('10.0.0.0/30')), 'inet less than is broken')
assert(not (inet('10.0.0.0/30') < inet('10.0.0.0/30')), 'inet less than is broken')
assert(not (inet('20.0.0.0/30') < inet('10.0.0.0/24')), 'inet less than is broken')
-- test inet4.__le
assert(inet('10.0.1.2/24') <= inet('10.0.0.0/16'))
assert(not (inet('10.0.1.0/24') <= inet('10.0.0.0/24')))
assert(inet('127.0.0.1/8'):netmask() == inet('255.0.0.0'))
-- test inet*.__eq
assert(inet('10.0.0.0/30') == inet('10.0.0.0/30'), 'inet4 eq is broken')
assert(inet('10.0.1.0/30') ~= inet('10.0.0.0/30'), 'inet4 eq is broken')
assert(inet('10.0.0.0/31') ~= inet('10.0.0.0/30'), 'inet4 eq is broken')
assert(inet('::1') == inet('::1'), 'inet6 eq is broken')
assert(inet('::1') ~= inet('::2'), 'inet6 eq is broken')
assert(inet('::1/64') ~= inet('::1/56'), 'inet6 eq is broken')
-- test inet*.ipstring
assert((ip+1):ipstring() == '10.0.0.1', 'ip4 string is broken')
assert(inet('::1/64'):ipstring() == '::1', 'ip6 string is broken')
-- test inet*.network
assert(inet('10.0.0.1/30'):network() == inet('10.0.0.0/30'), 'inet4.network() is broken')
assert(inet('1::2/64'):network() == inet('1::/64'), 'inet6.network() is broken')
ip = inet('ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff/62')
assert((ip/22):network() == inet('ffff:fc00::/22'), 'inet6.network() is broken')
assert((ip/27):network() == inet('ffff:ffe0::/27'), 'inet6.network() is broken')
-- test inet4:flip
assert(inet('10.0.0.1/24'):flip() == inet('10.0.1.1/24'), 'inet4.flip() is broken')
assert(inet('10.0.0.0/24'):flip() == inet('10.0.1.0/24'), 'inet4.flip() is broken')
assert(inet('10.0.0.0/24'):flip():flip() == inet('10.0.0.0/24'), 'inet4.flip() is broken')
assert(inet('10.20.30.0/24'):flip() == inet('10.20.31.0/24'))
assert(inet('10.20.30.5/24'):flip() == inet('10.20.31.5/24'))
assert(inet('10.20.30.5/32'):flip() == inet('10.20.30.4/32'))
assert(inet('0.0.0.0/0'):flip() == nil)
assert(inet('::/0'):flip() == nil)
assert(inet('::1/32'):flip() == inet('0:1::1/32'))
assert(inet('::1/48'):flip() == inet('0:0:1::1/48'))
assert(inet('2001:db8::/35'):contains(inet('2001:db8::/35')))
assert(inet('2001:db8::/35'):contains(inet('2001:db8::/64')))
assert(inet('2001:db8::/35'):contains(inet('2001:db8:1::/64')))
assert(inet('::/0'):contains(inet('::/0')))
assert(inet('::/0'):contains(inet('2001:db8::/35')))
assert(#inet('::/0') == 0, 'incorrect netmask')
assert(inet('2001:db8::/64') < inet('2001:db8:1::/64'))
assert(inet('2001:db8:1::/64') <= inet('2001:db8:1::/64'))
assert(inet('2001:db8:1::/48') < inet('2001:db8:2::/48'))
assert(inet('2001:db8:1::/48') <= inet('2001:db8:2::/48'))
assert(inet('2001:db8:1::/48') <= inet('2001:db8:1::/48'))
assert(inet('2001:db8:2::/48') >= inet('2001:db8:1::/48'))
assert(inet('2001:db8:1::/32') < inet('2001:db8:1::/48'))
assert(inet('2001:db8:1::/32') <= inet('2001:db8:1::/48'))
--XXX assert(inet('2001:db8:1:2:3:4:10/64') - inet('2001:db8:1::/64') == 42)
do
local ips = {
inet('::'),
inet('ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff'),
}
for i=1,#ips do
ip = ips[i]
for j=1,128 do
local foo = ip / j
local bar = foo:flip()
assert(foo ~= bar)
assert(foo == bar:flip())
end
end
end
do
local nets = {}
for i=0,128,16 do
local net = inet('::', i)
insert(nets, net * i)
end
for i=2,#nets do
local net = nets[i]
insert(nets, net*-i)
insert(nets, net*i)
end
for i=1,#nets do
local net = nets[i]
insert(nets, net-i)
insert(nets, net+i)
end
table.sort(nets)
--[[
for i=1,#nets do
print(i, nets[i]:cidrstring())
end
]]--
end
-- test inspectablity of metatable
assert(#(getmetatable(inet('0.0.0.0/0'))) ~= nil)
assert(#(getmetatable(inet('::/0'))) ~= nil)
-- TODO inet6.__le
-- TODO inet6.__eq
assert(not inet.is4(false))
assert(not inet.is4('foo'))
assert(not inet.is4(42))
assert(inet.is4(inet('0.0.0.0')))
assert(not inet.is4(inet('::')))
assert(not inet.is6(false))
assert(not inet.is6('foo'))
assert(not inet.is6(42))
assert(not inet.is6(inet('0.0.0.0')))
assert(inet.is6(inet('::')))
assert(not inet.is(false))
assert(not inet.is('foo'))
assert(not inet.is(42))
assert(inet.is(inet('0.0.0.0')))
assert(inet.is(inet('::')))
assert(inet.version == 1)
-- check out of bounds handling
assert(inet('0.0.0.0') - 1 == nil)
assert(inet('255.255.255.255') + 1 == nil)
assert(inet('::') - 1 == nil)
assert(inet('ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff') + 1 == nil)
assert(inet('0.0.0.0/24') * -1 == nil)
assert(inet('255.255.255.0/24') * 1 == nil)
assert(inet('192.0.2.24'):bits(-1) == nil)
assert(inet('192.0.2.24'):bits(0) == nil)
assert(inet('192.0.2.24'):bits(3) == nil)
assert(inet('192.0.2.24'):bits(33) == nil)
assert(inet('2001:db8::42/64'):bits(-1) == nil)
assert(inet('2001:db8::42/64'):bits(0) == nil)
assert(inet('2001:db8::42/64'):bits(42) == nil)
assert(inet('2001:db8::42/64'):bits(64) == nil)
assert(inet('192.0.2.24'):subnets(-1) == nil)
assert(inet('192.0.2.24'):subnets(33) == nil)
assert(inet('2001:db8::42/64'):subnets(-1) == nil)
assert(inet('2001:db8::42/64'):subnets(129) == nil)
end
local t = test.new()
t:depend(test.new(rfc4291))
t:depend(test.new(rfc5952))
t:depend(test.new(misc))
return t
|