prosody
c673ff1075bd
spec/util_ip_spec.lua

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spec/util_ip_spec.lua @ 13461:c673ff1075bd

mod_posix: Move everything to util.startup This allows greater control over the order of events. Notably, the internal ordering between daemonization, initialization of libunbound and setup of signal handling is sensitive. libunbound starts a separate thread for processing DNS requests. If this thread is started before signal handling has been set up, it will not inherit the signal handlers and instead behave as it would have before signal handlers were set up, i.e. cause the whole process to immediately exit. libunbound is usually initialized on the first DNS request, usually triggered by an outgoing s2s connection attempt. If daemonization happens before signals have been set up, signals may not be processed at all.
author Kim Alvefur <zash@zash.se>
date Sat, 23 Mar 2024 20:48:19 +0100
parent 13428:dc1ad5f3f597
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1
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2 local ip = require "util.ip";
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3
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4 local new_ip = ip.new_ip;
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5 local match = ip.match;
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6 local parse_cidr = ip.parse_cidr;
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7 local commonPrefixLength = ip.commonPrefixLength;
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8
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9 describe("util.ip", function()
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10 describe("#match()", function()
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11 it("should work", function()
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12 local _ = new_ip;
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13 local ip = _"10.20.30.40";
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14 assert.are.equal(match(ip, _"10.0.0.0", 8), true);
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15 assert.are.equal(match(ip, _"10.0.0.0", 16), false);
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16 assert.are.equal(match(ip, _"10.0.0.0", 24), false);
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17 assert.are.equal(match(ip, _"10.0.0.0", 32), false);
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18
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19 assert.are.equal(match(ip, _"10.20.0.0", 8), true);
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20 assert.are.equal(match(ip, _"10.20.0.0", 16), true);
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21 assert.are.equal(match(ip, _"10.20.0.0", 24), false);
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22 assert.are.equal(match(ip, _"10.20.0.0", 32), false);
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23
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24 assert.are.equal(match(ip, _"0.0.0.0", 32), false);
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25 assert.are.equal(match(ip, _"0.0.0.0", 0), true);
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26 assert.are.equal(match(ip, _"0.0.0.0"), false);
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27
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28 assert.are.equal(match(ip, _"10.0.0.0", 255), false, "excessive number of bits");
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29 assert.are.equal(match(ip, _"10.0.0.0", -8), true, "negative number of bits");
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30 assert.are.equal(match(ip, _"10.0.0.0", -32), true, "negative number of bits");
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31 assert.are.equal(match(ip, _"10.0.0.0", 0), true, "zero bits");
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32 assert.are.equal(match(ip, _"10.0.0.0"), false, "no specified number of bits (differing ip)");
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33 assert.are.equal(match(ip, _"10.20.30.40"), true, "no specified number of bits (same ip)");
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34
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35 assert.are.equal(match(_"127.0.0.1", _"127.0.0.1"), true, "simple ip");
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36
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37 assert.are.equal(match(_"8.8.8.8", _"8.8.0.0", 16), true);
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38 assert.are.equal(match(_"8.8.4.4", _"8.8.0.0", 16), true);
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39
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40 assert.are.equal(match(_"fe80::1", _"fec0::", 10), false);
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41 end);
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42 end);
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43
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44 describe("#parse_cidr()", function()
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45 it("should work", function()
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46 assert.are.equal(new_ip"0.0.0.0", new_ip"0.0.0.0")
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47
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48 local function assert_cidr(cidr, ip, bits)
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49 local parsed_ip, parsed_bits = parse_cidr(cidr);
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50 assert.are.equal(new_ip(ip), parsed_ip, cidr.." parsed ip is "..ip);
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51 assert.are.equal(bits, parsed_bits, cidr.." parsed bits is "..tostring(bits));
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52 end
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53 assert_cidr("0.0.0.0", "0.0.0.0", nil);
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54 assert_cidr("127.0.0.1", "127.0.0.1", nil);
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55 assert_cidr("127.0.0.1/0", "127.0.0.1", 0);
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56 assert_cidr("127.0.0.1/8", "127.0.0.1", 8);
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57 assert_cidr("127.0.0.1/32", "127.0.0.1", 32);
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58 assert_cidr("127.0.0.1/256", "127.0.0.1", 256);
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59 assert_cidr("::/48", "::", 48);
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60 end);
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61 end);
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62
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63 describe("#new_ip()", function()
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64 it("should work", function()
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65 local v4, v6 = "IPv4", "IPv6";
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66 local function assert_proto(s, proto)
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67 local ip = new_ip(s);
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68 if proto then
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69 assert.are.equal(ip and ip.proto, proto, "protocol is correct for "..("%q"):format(s));
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70 else
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71 assert.are.equal(ip, nil, "address is invalid");
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72 end
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73 end
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74 assert_proto("127.0.0.1", v4);
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75 assert_proto("::1", v6);
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76 assert_proto("", nil);
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77 assert_proto("abc", nil);
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78 assert_proto(" ", nil);
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79 end);
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80 end);
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81
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82 describe("#commonPrefixLength()", function()
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83 it("should work", function()
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84 local function assert_cpl6(a, b, len, v4)
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85 local ipa, ipb = new_ip(a), new_ip(b);
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86 if v4 then len = len+96; end
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87 assert.are.equal(commonPrefixLength(ipa, ipb), len, "common prefix length of "..a.." and "..b.." is "..len);
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88 assert.are.equal(commonPrefixLength(ipb, ipa), len, "common prefix length of "..b.." and "..a.." is "..len);
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89 end
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90 local function assert_cpl4(a, b, len)
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91 return assert_cpl6(a, b, len, "IPv4");
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92 end
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93 assert_cpl4("0.0.0.0", "0.0.0.0", 32);
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94 assert_cpl4("255.255.255.255", "0.0.0.0", 0);
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95 assert_cpl4("255.255.255.255", "255.255.0.0", 16);
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96 assert_cpl4("255.255.255.255", "255.255.255.255", 32);
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97 assert_cpl4("255.255.255.255", "255.255.255.255", 32);
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98
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99 assert_cpl6("::1", "::1", 128);
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100 assert_cpl6("abcd::1", "abcd::1", 128);
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101 assert_cpl6("abcd::abcd", "abcd::", 112);
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102 assert_cpl6("abcd::abcd", "abcd::abcd:abcd", 96);
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103
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104 assert_cpl6("fe80::1", "fec0::", 9);
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105 end);
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106 end);
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107
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108 describe("#truncate()", function ()
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109 it("should work for IPv4", function ()
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110 local ip1 = ip.new_ip("192.168.0.1");
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111 local ip2 = ip.truncate(ip1, 16);
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112 assert.truthy(ip.is_ip(ip2));
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113 assert.equal("192.168.0.0", ip2.normal);
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114 assert.equal("192.168.0.1", ip1.normal); -- original unmodified
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115 end);
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116
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117 it("should work for IPv6", function ()
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118 local ip1 = ip.new_ip("2001:db8::ff00:42:8329");
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119 local ip2 = ip.truncate(ip1, 24);
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120 assert.truthy(ip.is_ip(ip2));
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121 assert.equal("2001:d00::", ip2.normal);
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122 assert.equal("2001:db8::ff00:42:8329", ip1.normal); -- original unmodified
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123 end);
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124
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125 it("accepts a string", function ()
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126 assert.equal("127.0.0.0", ip.truncate("127.0.0.1", 8).normal);
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127 end);
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Matthew Wild <mwild1@gmail.com>
parents: 8236
diff changeset
128 end);
8236
4878e4159e12 Port tests to the `busted` test runner
Waqas Hussain <waqas20@gmail.com>
parents:
diff changeset
129 end);