prosody
e54b8a5e35ad
spec/util_rfc6724_spec.lua

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spec/util_rfc6724_spec.lua @ 12446:e54b8a5e35ad 0.12

util.random: Test whether util.crand works before using it (fix #1734) util.crand can be configured at compile time to use the Linux getrandom() system call, available from Linux 3.17, but it is still possible to load it with an older kernel lacking that system call, where attempting to use it throws an ENOSYS error. By testing for this on load we can fall back to /dev/urandom in this case.
author Kim Alvefur <zash@zash.se>
date Sat, 02 Apr 2022 16:33:27 +0200
parent 8236:4878e4159e12
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
8236
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1
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2 local rfc6724 = require "util.rfc6724";
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3 local new_ip = require"util.ip".new_ip;
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4
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5 describe("util.rfc6724", function()
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6 describe("#source()", function()
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7 it("should work", function()
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8 assert.are.equal(rfc6724.source(new_ip("2001:db8:1::1", "IPv6"),
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9 {new_ip("2001:db8:3::1", "IPv6"), new_ip("fe80::1", "IPv6")}).addr,
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10 "2001:db8:3::1",
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11 "prefer appropriate scope");
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12 assert.are.equal(rfc6724.source(new_ip("ff05::1", "IPv6"),
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13 {new_ip("2001:db8:3::1", "IPv6"), new_ip("fe80::1", "IPv6")}).addr,
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14 "2001:db8:3::1",
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15 "prefer appropriate scope");
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16 assert.are.equal(rfc6724.source(new_ip("2001:db8:1::1", "IPv6"),
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17 {new_ip("2001:db8:1::1", "IPv6"), new_ip("2001:db8:2::1", "IPv6")}).addr,
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18 "2001:db8:1::1",
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19 "prefer same address"); -- "2001:db8:1::1" should be marked "deprecated" here, we don't handle that right now
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20 assert.are.equal(rfc6724.source(new_ip("fe80::1", "IPv6"),
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21 {new_ip("fe80::2", "IPv6"), new_ip("2001:db8:1::1", "IPv6")}).addr,
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22 "fe80::2",
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23 "prefer appropriate scope"); -- "fe80::2" should be marked "deprecated" here, we don't handle that right now
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24 assert.are.equal(rfc6724.source(new_ip("2001:db8:1::1", "IPv6"),
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25 {new_ip("2001:db8:1::2", "IPv6"), new_ip("2001:db8:3::2", "IPv6")}).addr,
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26 "2001:db8:1::2",
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27 "longest matching prefix");
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28 --[[ "2001:db8:1::2" should be a care-of address and "2001:db8:3::2" a home address, we can't handle this and would fail
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29 assert.are.equal(rfc6724.source(new_ip("2001:db8:1::1", "IPv6"),
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30 {new_ip("2001:db8:1::2", "IPv6"), new_ip("2001:db8:3::2", "IPv6")}).addr,
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31 "2001:db8:3::2",
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32 "prefer home address");
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33 ]]
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34 assert.are.equal(rfc6724.source(new_ip("2002:c633:6401::1", "IPv6"),
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35 {new_ip("2002:c633:6401::d5e3:7953:13eb:22e8", "IPv6"), new_ip("2001:db8:1::2", "IPv6")}).addr,
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36 "2002:c633:6401::d5e3:7953:13eb:22e8",
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37 "prefer matching label"); -- "2002:c633:6401::d5e3:7953:13eb:22e8" should be marked "temporary" here, we don't handle that right now
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38 assert.are.equal(rfc6724.source(new_ip("2001:db8:1::d5e3:0:0:1", "IPv6"),
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39 {new_ip("2001:db8:1::2", "IPv6"), new_ip("2001:db8:1::d5e3:7953:13eb:22e8", "IPv6")}).addr,
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40 "2001:db8:1::d5e3:7953:13eb:22e8",
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41 "prefer temporary address") -- "2001:db8:1::2" should be marked "public" and "2001:db8:1::d5e3:7953:13eb:22e8" should be marked "temporary" here, we don't handle that right now
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42 end);
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43 end);
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44 describe("#destination()", function()
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45 it("should work", function()
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46 local order;
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47 order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("198.51.100.121", "IPv4")},
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48 {new_ip("2001:db8:1::2", "IPv6"), new_ip("fe80::1", "IPv6"), new_ip("169.254.13.78", "IPv4")})
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49 assert.are.equal(order[1].addr, "2001:db8:1::1", "prefer matching scope");
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50 assert.are.equal(order[2].addr, "198.51.100.121", "prefer matching scope");
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51
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52 order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("198.51.100.121", "IPv4")},
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53 {new_ip("fe80::1", "IPv6"), new_ip("198.51.100.117", "IPv4")})
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54 assert.are.equal(order[1].addr, "198.51.100.121", "prefer matching scope");
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55 assert.are.equal(order[2].addr, "2001:db8:1::1", "prefer matching scope");
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56
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57 order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("10.1.2.3", "IPv4")},
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58 {new_ip("2001:db8:1::2", "IPv6"), new_ip("fe80::1", "IPv6"), new_ip("10.1.2.4", "IPv4")})
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59 assert.are.equal(order[1].addr, "2001:db8:1::1", "prefer higher precedence");
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60 assert.are.equal(order[2].addr, "10.1.2.3", "prefer higher precedence");
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61
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62 order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("fe80::1", "IPv6")},
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63 {new_ip("2001:db8:1::2", "IPv6"), new_ip("fe80::2", "IPv6")})
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64 assert.are.equal(order[1].addr, "fe80::1", "prefer smaller scope");
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65 assert.are.equal(order[2].addr, "2001:db8:1::1", "prefer smaller scope");
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66
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67 --[[ "2001:db8:1::2" and "fe80::2" should be marked "care-of address", while "2001:db8:3::1" should be marked "home address", we can't currently handle this and would fail the test
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68 order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("fe80::1", "IPv6")},
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69 {new_ip("2001:db8:1::2", "IPv6"), new_ip("2001:db8:3::1", "IPv6"), new_ip("fe80::2", "IPv6")})
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70 assert.are.equal(order[1].addr, "2001:db8:1::1", "prefer home address");
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71 assert.are.equal(order[2].addr, "fe80::1", "prefer home address");
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72 ]]
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73
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74 --[[ "fe80::2" should be marked "deprecated", we can't currently handle this and would fail the test
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75 order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("fe80::1", "IPv6")},
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76 {new_ip("2001:db8:1::2", "IPv6"), new_ip("fe80::2", "IPv6")})
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77 assert.are.equal(order[1].addr, "2001:db8:1::1", "avoid deprecated addresses");
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78 assert.are.equal(order[2].addr, "fe80::1", "avoid deprecated addresses");
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79 ]]
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80
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81 order = rfc6724.destination({new_ip("2001:db8:1::1", "IPv6"), new_ip("2001:db8:3ffe::1", "IPv6")},
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82 {new_ip("2001:db8:1::2", "IPv6"), new_ip("2001:db8:3f44::2", "IPv6"), new_ip("fe80::2", "IPv6")})
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83 assert.are.equal(order[1].addr, "2001:db8:1::1", "longest matching prefix");
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84 assert.are.equal(order[2].addr, "2001:db8:3ffe::1", "longest matching prefix");
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85
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86 order = rfc6724.destination({new_ip("2002:c633:6401::1", "IPv6"), new_ip("2001:db8:1::1", "IPv6")},
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87 {new_ip("2002:c633:6401::2", "IPv6"), new_ip("fe80::2", "IPv6")})
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88 assert.are.equal(order[1].addr, "2002:c633:6401::1", "prefer matching label");
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89 assert.are.equal(order[2].addr, "2001:db8:1::1", "prefer matching label");
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90
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91 order = rfc6724.destination({new_ip("2002:c633:6401::1", "IPv6"), new_ip("2001:db8:1::1", "IPv6")},
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92 {new_ip("2002:c633:6401::2", "IPv6"), new_ip("2001:db8:1::2", "IPv6"), new_ip("fe80::2", "IPv6")})
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93 assert.are.equal(order[1].addr, "2001:db8:1::1", "prefer higher precedence");
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94 assert.are.equal(order[2].addr, "2002:c633:6401::1", "prefer higher precedence");
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95 end);
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96 end);
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97 end);