1// Copyright (c) 2019 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
2//
3// This Source Code Form is subject to the terms of the Mozilla Public
4// License, v. 2.0. If a copy of the MPL was not distributed with this
5// file, You can obtain one at http://mozilla.org/MPL/2.0/.
6
7use crate::jingle_dtls_srtp::Fingerprint;
8use std::net::IpAddr;
9
10generate_element!(
11 /// Wrapper element for an ICE-UDP transport.
12 Transport, "transport", JINGLE_ICE_UDP,
13 attributes: [
14 /// A Password as defined in ICE-CORE.
15 pwd: Option<String> = "pwd",
16
17 /// A User Fragment as defined in ICE-CORE.
18 ufrag: Option<String> = "ufrag",
19 ],
20 children: [
21 /// List of candidates for this ICE-UDP session.
22 candidates: Vec<Candidate> = ("candidate", JINGLE_ICE_UDP) => Candidate,
23
24 /// Fingerprint of the key used for the DTLS handshake.
25 fingerprint: Option<Fingerprint> = ("fingerprint", JINGLE_DTLS) => Fingerprint
26 ]
27);
28
29generate_attribute!(
30 /// A Candidate Type as defined in ICE-CORE.
31 Type, "type", {
32 /// Host candidate.
33 Host => "host",
34
35 /// Peer reflexive candidate.
36 Prflx => "prflx",
37
38 /// Relayed candidate.
39 Relay => "relay",
40
41 /// Server reflexive candidate.
42 Srflx => "srflx",
43 }
44);
45
46generate_element!(
47 /// A candidate for an ICE-UDP session.
48 Candidate, "candidate", JINGLE_ICE_UDP,
49 attributes: [
50 /// A Component ID as defined in ICE-CORE.
51 component: Required<u8> = "component",
52
53 /// A Foundation as defined in ICE-CORE.
54 foundation: Required<u8> = "foundation",
55
56 /// An index, starting at 0, that enables the parties to keep track of updates to the
57 /// candidate throughout the life of the session.
58 generation: Required<u8> = "generation",
59
60 /// A unique identifier for the candidate.
61 id: Required<String> = "id",
62
63 /// The Internet Protocol (IP) address for the candidate transport mechanism; this can be
64 /// either an IPv4 address or an IPv6 address.
65 ip: Required<IpAddr> = "ip",
66
67 /// An index, starting at 0, referencing which network this candidate is on for a given
68 /// peer.
69 network: Required<u8> = "network",
70
71 /// The port at the candidate IP address.
72 port: Required<u16> = "port",
73
74 /// A Priority as defined in ICE-CORE.
75 priority: Required<u32> = "priority",
76
77 /// The protocol to be used. The only value defined by this specification is "udp".
78 protocol: Required<String> = "protocol",
79
80 /// A related address as defined in ICE-CORE.
81 rel_addr: Option<IpAddr> = "rel-addr",
82
83 /// A related port as defined in ICE-CORE.
84 rel_port: Option<u16> = "rel-port",
85
86 /// A Candidate Type as defined in ICE-CORE.
87 type_: Required<Type> = "type",
88 ]
89);
90
91#[cfg(test)]
92mod tests {
93 use super::*;
94 use minidom::Element;
95 use std::convert::TryFrom;
96 use crate::hashes::Algo;
97 use crate::jingle_dtls_srtp::Setup;
98
99 #[cfg(target_pointer_width = "32")]
100 #[test]
101 fn test_size() {
102 assert_size!(Transport, 68);
103 assert_size!(Type, 1);
104 assert_size!(Candidate, 80);
105 }
106
107 #[cfg(target_pointer_width = "64")]
108 #[test]
109 fn test_size() {
110 assert_size!(Transport, 136);
111 assert_size!(Type, 1);
112 assert_size!(Candidate, 104);
113 }
114
115 #[test]
116 fn test_gajim() {
117 let elem: Element = "
118<transport xmlns='urn:xmpp:jingle:transports:ice-udp:1' pwd='wakMJ8Ydd5rqnPaFerws5o' ufrag='aeXX'>
119 <candidate xmlns='urn:xmpp:jingle:transports:ice-udp:1' component='2' foundation='1' generation='0' id='11b72719-6a1b-4c51-8ae6-9f1538047568' ip='192.168.0.12' network='0' port='56715' priority='1010828030' protocol='tcp' type='host'/>
120 <candidate xmlns='urn:xmpp:jingle:transports:ice-udp:1' component='2' foundation='1' generation='0' id='7e07b22d-db50-4e17-9ed9-eafeb96f4f63' ip='192.168.0.12' network='0' port='0' priority='1015022334' protocol='tcp' type='host'/>
121 <candidate xmlns='urn:xmpp:jingle:transports:ice-udp:1' component='2' foundation='1' generation='0' id='431de362-c45f-40a8-bf10-9ed898a71d86' ip='192.168.0.12' network='0' port='36480' priority='2013266428' protocol='udp' type='host'/>
122 <candidate xmlns='urn:xmpp:jingle:transports:ice-udp:1' component='1' foundation='1' generation='0' id='b1197df3-abca-413b-99ee-3660d91bcfa7' ip='192.168.0.12' network='0' port='50387' priority='1010828031' protocol='tcp' type='host'/>
123 <candidate xmlns='urn:xmpp:jingle:transports:ice-udp:1' component='1' foundation='1' generation='0' id='adaf3a85-3a57-4df0-a2d8-0c7d28d3ca01' ip='192.168.0.12' network='0' port='0' priority='1015022335' protocol='tcp' type='host'/>
124 <candidate xmlns='urn:xmpp:jingle:transports:ice-udp:1' component='1' foundation='1' generation='0' id='ef4e0a62-81f2-4fe3-87ae-46cb5d1d1e1d' ip='192.168.0.12' network='0' port='43132' priority='2013266429' protocol='udp' type='host'/>
125 <candidate xmlns='urn:xmpp:jingle:transports:ice-udp:1' component='1' foundation='1' generation='0' id='51891e8a-4c1e-4540-b173-8637aeb0143c' ip='fe80::24eb:646f:7d78:cb6' network='0' port='38881' priority='2013266431' protocol='udp' type='host'/>
126 <candidate xmlns='urn:xmpp:jingle:transports:ice-udp:1' component='1' foundation='1' generation='0' id='73f82655-eb84-4fa1-b05c-1ea76f695d32' ip='fe80::24eb:646f:7d78:cb6' network='0' port='0' priority='1015023103' protocol='tcp' type='host'/>
127 <candidate xmlns='urn:xmpp:jingle:transports:ice-udp:1' component='1' foundation='1' generation='0' id='a2a8fa62-6f2e-41e8-b218-ba095540d60f' ip='fe80::24eb:646f:7d78:cb6' network='0' port='55819' priority='1010828799' protocol='tcp' type='host'/>
128 <candidate xmlns='urn:xmpp:jingle:transports:ice-udp:1' component='1' foundation='1' generation='0' id='23e66735-9515-414c-81ad-2455569a57f8' ip='2a01:e35:2e2f:fbb0:43aa:33b5:5535:8905' network='0' port='39967' priority='2013266430' protocol='udp' type='host'/>
129 <candidate xmlns='urn:xmpp:jingle:transports:ice-udp:1' component='1' foundation='1' generation='0' id='9a8dff18-e138-4fb2-a956-89d71216da84' ip='2a01:e35:2e2f:fbb0:43aa:33b5:5535:8905' network='0' port='0' priority='1015022079' protocol='tcp' type='host'/>
130 <candidate xmlns='urn:xmpp:jingle:transports:ice-udp:1' component='1' foundation='1' generation='0' id='f0c73ac3-9b7d-4032-abe3-6dd9a57d0f03' ip='2a01:e35:2e2f:fbb0:43aa:33b5:5535:8905' network='0' port='37487' priority='1010827775' protocol='tcp' type='host'/>
131 <candidate xmlns='urn:xmpp:jingle:transports:ice-udp:1' component='2' foundation='1' generation='0' id='a6199a00-34df-46f5-a608-847b75c5250e' ip='fe80::24eb:646f:7d78:cb6' network='0' port='43521' priority='2013266430' protocol='udp' type='host'/>
132 <candidate xmlns='urn:xmpp:jingle:transports:ice-udp:1' component='2' foundation='1' generation='0' id='83bc2600-39ce-4c9e-8b0b-cc7aa7e6a293' ip='fe80::24eb:646f:7d78:cb6' network='0' port='0' priority='1015023102' protocol='tcp' type='host'/>
133 <candidate xmlns='urn:xmpp:jingle:transports:ice-udp:1' component='2' foundation='1' generation='0' id='7e3606ca-46de-4de8-8802-068dd69ef01a' ip='fe80::24eb:646f:7d78:cb6' network='0' port='52279' priority='1010828798' protocol='tcp' type='host'/>
134 <candidate xmlns='urn:xmpp:jingle:transports:ice-udp:1' component='2' foundation='1' generation='0' id='a7c2472a-8462-412c-a64c-d3528f0abfa4' ip='2a01:e35:2e2f:fbb0:43aa:33b5:5535:8905' network='0' port='34088' priority='2013266429' protocol='udp' type='host'/>
135 <candidate xmlns='urn:xmpp:jingle:transports:ice-udp:1' component='2' foundation='1' generation='0' id='5a12c345-9643-4d2c-b770-695ec6affcaf' ip='2a01:e35:2e2f:fbb0:43aa:33b5:5535:8905' network='0' port='0' priority='1015022078' protocol='tcp' type='host'/>
136 <candidate xmlns='urn:xmpp:jingle:transports:ice-udp:1' component='2' foundation='1' generation='0' id='67f65b0b-8cee-421a-9f37-1f2ca2211c87' ip='2a01:e35:2e2f:fbb0:43aa:33b5:5535:8905' network='0' port='39431' priority='1010827774' protocol='tcp' type='host'/>
137</transport>"
138 .parse()
139 .unwrap();
140 let transport = Transport::try_from(elem).unwrap();
141 assert_eq!(transport.pwd.unwrap(), "wakMJ8Ydd5rqnPaFerws5o");
142 assert_eq!(transport.ufrag.unwrap(), "aeXX");
143 }
144
145 #[test]
146 fn test_jitsi_meet() {
147 let elem: Element = "
148<transport ufrag='2acq51d4p07v2m' pwd='7lk9uul39gckit6t02oavv2r9j' xmlns='urn:xmpp:jingle:transports:ice-udp:1'>
149 <fingerprint hash='sha-1' setup='actpass' xmlns='urn:xmpp:jingle:apps:dtls:0'>97:F2:B5:BE:DB:A6:00:B1:3E:40:B2:41:3C:0D:FC:E0:BD:B2:A0:E8</fingerprint>
150 <candidate type='host' protocol='udp' id='186cb069513c2bbe546192c93cc4ab3b05ab0d426' ip='2a05:d014:fc7:54a1:8bfc:7248:3d1c:51a4' component='1' port='10000' foundation='1' generation='0' priority='2130706431' network='0'/>
151 <candidate type='host' protocol='udp' id='186cb069513c2bbe546192c93cc4ab3b063daeefd' ip='10.15.1.120' component='1' port='10000' foundation='2' generation='0' priority='2130706431' network='0'/>
152 <candidate rel-port='10000' type='srflx' protocol='udp' id='186cb069513c2bbe546192c93cc4ab3b05d449db8' ip='3.120.176.51' component='1' port='10000' foundation='3' generation='0' network='0' priority='1677724415' rel-addr='10.15.1.120'/>
153</transport>"
154 .parse()
155 .unwrap();
156 let transport = Transport::try_from(elem).unwrap();
157 assert_eq!(transport.pwd.unwrap(), "7lk9uul39gckit6t02oavv2r9j");
158 assert_eq!(transport.ufrag.unwrap(), "2acq51d4p07v2m");
159
160 let fingerprint = transport.fingerprint.unwrap();
161 assert_eq!(fingerprint.hash, Algo::Sha_1);
162 assert_eq!(fingerprint.setup, Setup::Actpass);
163 assert_eq!(fingerprint.value, [151, 242, 181, 190, 219, 166, 0, 177, 62, 64, 178, 65, 60, 13, 252, 224, 189, 178, 160, 232]);
164 }
165}