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annotate mod_turn_external/mod_turn_external.lua @ 5461:06640647d193

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mod_http_oauth2: Fix use of arbitrary ports in loopback redirect URIs Per draft-ietf-oauth-v2-1-08#section-8.4.2 > The authorization server MUST allow any port to be specified at the > time of the request for loopback IP redirect URIs, to accommodate > clients that obtain an available ephemeral port from the operating > system at the time of the request. Uncertain if it should normalize the host part, but it also seems harmless to treat IPv6 and IPv4 the same here. One thing is that "localhost" is NOT RECOMMENDED because it can sometimes be pointed to non-loopback interfaces via DNS or hosts file.
author Kim Alvefur <zash@zash.se>
date Wed, 17 May 2023 13:51:30 +0200
parents 2542fd80cd15
children
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1 local set = require "util.set";
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2
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3 local secret = module:get_option_string("turn_external_secret");
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4 local host = module:get_option_string("turn_external_host", module.host);
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5 local user = module:get_option_string("turn_external_user");
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6 local port = module:get_option_number("turn_external_port", 3478);
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7 local ttl = module:get_option_number("turn_external_ttl", 86400);
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8 local tcp = module:get_option_boolean("turn_external_tcp", false);
4895
2542fd80cd15 mod_turn_external: Fix type of config option (thanks mirux)
Kim Alvefur <zash@zash.se>
parents: 4894
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9 local tls_port = module:get_option_number("turn_external_tls_port");
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11 if not secret then error("mod_" .. module.name .. " requires that 'turn_external_secret' be set") end
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13 local services = set.new({ "stun-udp"; "turn-udp" });
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14 if tcp then
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15 services:add("stun-tcp");
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16 services:add("turn-tcp");
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17 end
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18 if tls_port then
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19 services:add("turns-tcp");
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20 end
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21
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22 module:depends "external_services";
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23
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24 for _, type in ipairs({ "stun"; "turn"; "turns" }) do
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25 for _, transport in ipairs({"udp"; "tcp"}) do
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26 if services:contains(type .. "-" .. transport) then
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27 module:add_item("external_service", {
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28 type = type;
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29 transport = transport;
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30 host = host;
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31 port = type == "turns" and tls_port or port;
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32
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33 username = type == "turn" and user or nil;
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34 secret = type == "turn" and secret or nil;
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35 ttl = type == "turn" and ttl or nil;
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36 })
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37 end
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38 end
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39 end