prosody
055b03d3059b
spec/net_stun_spec.lua

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spec/net_stun_spec.lua @ 12938:055b03d3059b

util.sasl.oauthbearer: Return username from callback instead using authzid (BC) RFC 6120 states that > If the initiating entity does not wish to act on behalf of another > entity, it MUST NOT provide an authorization identity. Thus it seems weird to require it here. We can instead expect an username from the token data passed back from the profile. This follows the practice of util.sasl.external where the profile callback returns the selected username, making the authentication module responsible for extracting the username from the token.
author Kim Alvefur <zash@zash.se>
date Thu, 16 Mar 2023 12:18:23 +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);