prosody
891edd1ebde6
spec/net_stun_spec.lua

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spec/net_stun_spec.lua @ 12863:891edd1ebde6 0.12

util.startup: Close state on exit to ensure GC finalizers are called Ensures a last round of garbage collection and that finalizers are called. Fixes things like proper closing of SQLite3 state. There are more calls to os.exit() but most of them exit with an error or in a case where a final GC sweep might not matter as much. It would be nice if this was the default. Calling util.statup.exit() everywhere may be sensible, but would be more involved, requiring imports everywhere.
author Kim Alvefur <zash@zash.se>
date Sun, 22 Jan 2023 14:45:47 +0100
parent 12363:0576d7d625a0
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
12361
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1 local hex = require "util.hex";
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2
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3 local function parse(pkt_desc)
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4 local result = {};
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5 for line in pkt_desc:gmatch("([^\n]+)\n") do
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6 local b1, b2, b3, b4 = line:match("^%s*(%x%x) (%x%x) (%x%x) (%x%x)%s");
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7 if b1 then
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8 table.insert(result, b1);
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9 table.insert(result, b2);
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10 table.insert(result, b3);
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11 table.insert(result, b4);
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12 end
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13 end
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14 return hex.decode(table.concat(result));
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15 end
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16
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17 local sample_packet = parse[[
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18 00 01 00 60 Request type and message length
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19 21 12 a4 42 Magic cookie
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20 78 ad 34 33 }
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21 c6 ad 72 c0 } Transaction ID
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22 29 da 41 2e }
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23 00 06 00 12 USERNAME attribute header
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24 e3 83 9e e3 }
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25 83 88 e3 83 }
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26 aa e3 83 83 } Username value (18 bytes) and padding (2 bytes)
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27 e3 82 af e3 }
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28 82 b9 00 00 }
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29 00 15 00 1c NONCE attribute header
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30 66 2f 2f 34 }
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31 39 39 6b 39 }
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32 35 34 64 36 }
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33 4f 4c 33 34 } Nonce value
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34 6f 4c 39 46 }
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35 53 54 76 79 }
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36 36 34 73 41 }
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37 00 14 00 0b REALM attribute header
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38 65 78 61 6d }
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39 70 6c 65 2e } Realm value (11 bytes) and padding (1 byte)
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40 6f 72 67 00 }
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41 00 08 00 14 MESSAGE-INTEGRITY attribute header
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42 f6 70 24 65 }
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43 6d d6 4a 3e }
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44 02 b8 e0 71 } HMAC-SHA1 fingerprint
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45 2e 85 c9 a2 }
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46 8c a8 96 66 }
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47 ]];
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48
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49 describe("net.stun", function ()
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50 local stun = require "net.stun";
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51
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52 it("works", function ()
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53 local packet = stun.new_packet();
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54 assert.is_string(packet:serialize());
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55 end);
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56
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57 it("can decode the sample packet", function ()
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58 local packet = stun.new_packet():deserialize(sample_packet);
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59 assert(packet);
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60 local method, method_name = packet:get_method();
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61 assert.equal(1, method);
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62 assert.equal("binding", method_name);
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63 assert.equal("example.org", packet:get_attribute("realm"));
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64 end);
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65
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66 it("can generate the sample packet", function ()
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67 -- These values, and the sample packet, come from RFC 5769 2.4
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68 local username = string.char(
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69 -- U+30DE KATAKANA LETTER MA
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70 0xE3, 0x83, 0x9E,
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71 -- U+30C8 KATAKANA LETTER TO
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72 0xE3, 0x83, 0x88,
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73 -- U+30EA KATAKANA LETTER RI
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74 0xE3, 0x83, 0xAA,
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75 -- U+30C3 KATAKANA LETTER SMALL TU
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76 0xE3, 0x83, 0x83,
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77 -- U+30AF KATAKANA LETTER KU
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78 0xE3, 0x82, 0xAF,
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79 -- U+30B9 KATAKANA LETTER SU
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80 0xE3, 0x82, 0xB9
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81 );
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82
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83 -- Password: "The<U+00AD>M<U+00AA>tr<U+2168>" and "TheMatrIX" (without
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84 -- quotes) respectively before and after SASLprep processing
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85 local password = "TheMatrIX";
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86 local realm = "example.org";
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87
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88 local p3 = stun.new_packet("binding", "request");
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89 p3.transaction_id = hex.decode("78AD3433C6AD72C029DA412E");
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90 p3:add_attribute("username", username);
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91 p3:add_attribute("nonce", "f//499k954d6OL34oL9FSTvy64sA");
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92 p3:add_attribute("realm", realm);
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93 local key = stun.get_long_term_auth_key(realm, username, password);
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94 p3:add_message_integrity(key);
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95 assert.equal(sample_packet, p3:serialize());
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96 end);
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97 end);