Software `/` code `/` prosody-modules

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mod_net_proxy/mod_net_proxy.lua @ 4886:cbe71ecb4677

mod_bookmarks: Add a stub that loads mod_bookmarks2 This has a magic meta marker that prevents loading on latest trunk as of rev 7adfd5d29576 or nightly build 1616

author	Kim Alvefur <zash@zash.se>
date	Sat, 05 Feb 2022 01:11:22 +0100
parent	3562:b33b2fbdc713
child	4944:9d65eb3fcb15

rev	line source
2930 9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	1 -- mod_net_proxy.lua
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	2 -- Copyright (C) 2018 Pascal Mathis <mail@pascalmathis.com>
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	3 --
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	4 -- Implementation of PROXY protocol versions 1 and 2
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	5 -- Specifications: https://www.haproxy.org/download/1.8/doc/proxy-protocol.txt
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	6
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	7 module:set_global();
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	8
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	9 -- Imports
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	10 local softreq = require "util.dependencies".softreq;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	11 local bit = assert(softreq "bit" or softreq "bit32", "No bit module found. See https://prosody.im/doc/depends#bitop");
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	12 local hex = require "util.hex";
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	13 local ip = require "util.ip";
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	14 local net = require "util.net";
2961 33227efa2cdc mod_net_proxy: Automatically listen on all mapped ports if proxy_ports was not configured Pascal Mathis <mail@pascalmathis.com> parents: 2935 diff changeset	15 local set = require "util.set";
2930 9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	16 local portmanager = require "core.portmanager";
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	17
2931 e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	18 -- Backwards Compatibility
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	19 local function net_ntop_bc(input)
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	20 if input:len() == 4 then
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	21 return string.format("%d.%d.%d.%d", input:byte(1, 4));
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	22 elseif input:len() == 16 then
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	23 local octets = { nil, nil, nil, nil, nil, nil, nil, nil };
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	24
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	25 -- Convert received bytes into IPv6 address and skip leading zeroes for each group
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	26 for index = 1, 8 do
2935 7319fd5dbc89 mod_net_proxy: Fixed luacheck warnings Pascal Mathis <mail@pascalmathis.com> parents: 2931 diff changeset	27 local high, low = input:byte(index * 2 - 1, index * 2);
2931 e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	28 octets[index] = string.format("%x", high * 256 + low);
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	29 end
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	30 local address = table.concat(octets, ":", 1, 8);
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	31
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	32 -- Search for the longest sequence of zeroes
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	33 local token;
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	34 local length = (address:match("^0:[0:]+()") or 1) - 1;
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	35 for s in address:gmatch(":0:[0:]+") do
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	36 if length < #s then
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	37 length, token = #s, s;
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	38 end
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	39 end
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	40
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	41 -- Return the shortened IPv6 address
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	42 return address:gsub(token or "^0:[0:]+", "::", 1);
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	43 end
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	44 end
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	45
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	46 local net_ntop = net.ntop or net_ntop_bc
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	47
2930 9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	48 -- Utility Functions
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	49 local function _table_invert(input)
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	50 local output = {};
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	51 for key, value in pairs(input) do
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	52 output[value] = key;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	53 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	54 return output;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	55 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	56
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	57 -- Constants
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	58 local ADDR_FAMILY = { UNSPEC = 0x0, INET = 0x1, INET6 = 0x2, UNIX = 0x3 };
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	59 local ADDR_FAMILY_STR = _table_invert(ADDR_FAMILY);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	60 local TRANSPORT = { UNSPEC = 0x0, STREAM = 0x1, DGRAM = 0x2 };
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	61 local TRANSPORT_STR = _table_invert(TRANSPORT);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	62
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	63 local PROTO_MAX_HEADER_LENGTH = 256;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	64 local PROTO_HANDLERS = {
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	65 PROXYv1 = { signature = hex.from("50524F5859"), callback = nil },
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	66 PROXYv2 = { signature = hex.from("0D0A0D0A000D0A515549540A"), callback = nil }
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	67 };
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	68 local PROTO_HANDLER_STATUS = { SUCCESS = 0, POSTPONE = 1, FAILURE = 2 };
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	69
2963 504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	70 -- Configuration Variables
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	71 local config_mappings = module:get_option("proxy_port_mappings", {});
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	72 local config_ports = module:get_option_set("proxy_ports", {});
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	73 local config_trusted_proxies = module:get_option_set("proxy_trusted_proxies", {"127.0.0.1", "::1"});
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	74
2930 9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	75 -- Persistent In-Memory Storage
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	76 local sessions = {};
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	77 local mappings = {};
2963 504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	78 local trusted_networks = set.new();
2930 9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	79
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	80 -- Proxy Data Methods
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	81 local proxy_data_mt = {}; proxy_data_mt.__index = proxy_data_mt;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	82
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	83 function proxy_data_mt:describe()
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	84 return string.format("proto=%s/%s src=%s:%d dst=%s:%d",
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	85 self:addr_family_str(), self:transport_str(), self:src_addr(), self:src_port(), self:dst_addr(), self:dst_port());
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	86 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	87
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	88 function proxy_data_mt:addr_family_str()
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	89 return ADDR_FAMILY_STR[self._addr_family] or ADDR_FAMILY_STR[ADDR_FAMILY.UNSPEC];
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	90 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	91
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	92 function proxy_data_mt:transport_str()
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	93 return TRANSPORT_STR[self._transport] or TRANSPORT_STR[TRANSPORT.UNSPEC];
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	94 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	95
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	96 function proxy_data_mt:version()
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	97 return self._version;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	98 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	99
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	100 function proxy_data_mt:addr_family()
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	101 return self._addr_family;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	102 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	103
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	104 function proxy_data_mt:transport()
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	105 return self._transport;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	106 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	107
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	108 function proxy_data_mt:src_addr()
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	109 return self._src_addr;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	110 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	111
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	112 function proxy_data_mt:src_port()
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	113 return self._src_port;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	114 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	115
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	116 function proxy_data_mt:dst_addr()
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	117 return self._dst_addr;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	118 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	119
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	120 function proxy_data_mt:dst_port()
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	121 return self._dst_port;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	122 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	123
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	124 -- Protocol Handler Functions
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	125 PROTO_HANDLERS["PROXYv1"].callback = function(conn, session)
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	126 local addr_family_mappings = { TCP4 = ADDR_FAMILY.INET, TCP6 = ADDR_FAMILY.INET6 };
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	127
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	128 -- Postpone processing if CRLF (PROXYv1 header terminator) does not exist within buffer
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	129 if session.buffer:find("\r\n") == nil then
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	130 return PROTO_HANDLER_STATUS.POSTPONE, nil;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	131 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	132
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	133 -- Declare header pattern and match current buffer against pattern
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	134 local header_pattern = "^PROXY (%S+) (%S+) (%S+) (%d+) (%d+)\r\n";
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	135 local addr_family, src_addr, dst_addr, src_port, dst_port = session.buffer:match(header_pattern);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	136 src_port, dst_port = tonumber(src_port), tonumber(dst_port);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	137
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	138 -- Ensure that header was successfully parsed and contains a valid address family
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	139 if addr_family == nil or src_addr == nil or dst_addr == nil or src_port == nil or dst_port == nil then
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	140 module:log("warn", "Received unparseable PROXYv1 header from %s", conn:ip());
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	141 return PROTO_HANDLER_STATUS.FAILURE, nil;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	142 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	143 if addr_family_mappings[addr_family] == nil then
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	144 module:log("warn", "Received invalid PROXYv1 address family from %s: %s", conn:ip(), addr_family);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	145 return PROTO_HANDLER_STATUS.FAILURE, nil;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	146 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	147
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	148 -- Ensure that received source and destination ports are within 1 and 65535 (0xFFFF)
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	149 if src_port <= 0 or src_port >= 0xFFFF then
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	150 module:log("warn", "Received invalid PROXYv1 source port from %s: %d", conn:ip(), src_port);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	151 return PROTO_HANDLER_STATUS.FAILURE, nil;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	152 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	153 if dst_port <= 0 or dst_port >= 0xFFFF then
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	154 module:log("warn", "Received invalid PROXYv1 destination port from %s: %d", conn:ip(), dst_port);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	155 return PROTO_HANDLER_STATUS.FAILURE, nil;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	156 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	157
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	158 -- Ensure that received source and destination address can be parsed
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	159 local _, err = ip.new_ip(src_addr);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	160 if err ~= nil then
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	161 module:log("warn", "Received unparseable PROXYv1 source address from %s: %s", conn:ip(), src_addr);
2975 7eb6fa9b03fd mod_net_proxy: Added missing return when detecting unparseable PROXYv1 source address Pascal Mathis <mail@pascalmathis.com> parents: 2963 diff changeset	162 return PROTO_HANDLER_STATUS.FAILURE, nil;
2930 9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	163 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	164 _, err = ip.new_ip(dst_addr);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	165 if err ~= nil then
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	166 module:log("warn", "Received unparseable PROXYv1 destination address from %s: %s", conn:ip(), dst_addr);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	167 return PROTO_HANDLER_STATUS.FAILURE, nil;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	168 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	169
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	170 -- Strip parsed header from session buffer and build proxy data
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	171 session.buffer = session.buffer:gsub(header_pattern, "");
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	172
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	173 local proxy_data = {
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	174 _version = 1,
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	175 _addr_family = addr_family, _transport = TRANSPORT.STREAM,
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	176 _src_addr = src_addr, _src_port = src_port,
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	177 _dst_addr = dst_addr, _dst_port = dst_port
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	178 };
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	179 setmetatable(proxy_data, proxy_data_mt);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	180
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	181 -- Return successful response with gathered proxy data
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	182 return PROTO_HANDLER_STATUS.SUCCESS, proxy_data;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	183 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	184
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	185 PROTO_HANDLERS["PROXYv2"].callback = function(conn, session)
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	186 -- Postpone processing if less than 16 bytes are available
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	187 if #session.buffer < 16 then
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	188 return PROTO_HANDLER_STATUS.POSTPONE, nil;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	189 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	190
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	191 -- Parse first 16 bytes of protocol header
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	192 local version = bit.rshift(bit.band(session.buffer:byte(13), 0xF0), 4);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	193 local command = bit.band(session.buffer:byte(13), 0x0F);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	194 local addr_family = bit.rshift(bit.band(session.buffer:byte(14), 0xF0), 4);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	195 local transport = bit.band(session.buffer:byte(14), 0x0F);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	196 local length = bit.bor(session.buffer:byte(16), bit.lshift(session.buffer:byte(15), 8));
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	197
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	198 -- Postpone processing if less than 16+<length> bytes are available
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	199 if #session.buffer < 16 + length then
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	200 return PROTO_HANDLER_STATUS.POSTPONE, nil;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	201 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	202
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	203 -- Ensure that version number is correct
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	204 if version ~= 0x2 then
2962 6b01600b9c02 mod_net_proxy: Adjusted log level of errors triggered by remote connections to 'warn' Pascal Mathis <mail@pascalmathis.com> parents: 2961 diff changeset	205 module:log("warn", "Received unsupported PROXYv2 version from %s: %d", conn:ip(), version);
2930 9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	206 return PROTO_HANDLER_STATUS.FAILURE, nil;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	207 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	208
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	209 local payload = session.buffer:sub(17);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	210 if command == 0x0 then
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	211 -- Gather source/destination addresses and ports from local socket
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	212 local src_addr, src_port = conn:socket():getpeername();
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	213 local dst_addr, dst_port = conn:socket():getsockname();
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	214
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	215 -- Build proxy data based on real connection information
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	216 local proxy_data = {
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	217 _version = version,
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	218 _addr_family = addr_family, _transport = transport,
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	219 _src_addr = src_addr, _src_port = src_port,
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	220 _dst_addr = dst_addr, _dst_port = dst_port
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	221 };
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	222 setmetatable(proxy_data, proxy_data_mt);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	223
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	224 -- Return successful response with gathered proxy data
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	225 return PROTO_HANDLER_STATUS.SUCCESS, proxy_data;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	226 elseif command == 0x1 then
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	227 local offset = 1;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	228 local src_addr, src_port, dst_addr, dst_port;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	229
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	230 -- Verify transport protocol is either STREAM or DGRAM
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	231 if transport ~= TRANSPORT.STREAM and transport ~= TRANSPORT.DGRAM then
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	232 module:log("warn", "Received unsupported PROXYv2 transport from %s: 0x%02X", conn:ip(), transport);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	233 return PROTO_HANDLER_STATUS.FAILURE, nil;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	234 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	235
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	236 -- Parse source and destination addresses
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	237 if addr_family == ADDR_FAMILY.INET then
2931 e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	238 src_addr = net_ntop(payload:sub(offset, offset + 3)); offset = offset + 4;
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	239 dst_addr = net_ntop(payload:sub(offset, offset + 3)); offset = offset + 4;
2930 9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	240 elseif addr_family == ADDR_FAMILY.INET6 then
2931 e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	241 src_addr = net_ntop(payload:sub(offset, offset + 15)); offset = offset + 16;
e79b9a55aa2e mod_net_proxy: Fixed backwards compatibility to Prosody 0.10 Pascal Mathis <mail@pascalmathis.com> parents: 2930 diff changeset	242 dst_addr = net_ntop(payload:sub(offset, offset + 15)); offset = offset + 16;
2930 9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	243 elseif addr_family == ADDR_FAMILY.UNIX then
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	244 src_addr = payload:sub(offset, offset + 107); offset = offset + 108;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	245 dst_addr = payload:sub(offset, offset + 107); offset = offset + 108;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	246 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	247
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	248 -- Parse source and destination ports
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	249 if addr_family == ADDR_FAMILY.INET or addr_family == ADDR_FAMILY.INET6 then
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	250 src_port = bit.bor(payload:byte(offset + 1), bit.lshift(payload:byte(offset), 8)); offset = offset + 2;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	251 -- luacheck: ignore 311
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	252 dst_port = bit.bor(payload:byte(offset + 1), bit.lshift(payload:byte(offset), 8)); offset = offset + 2;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	253 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	254
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	255 -- Strip parsed header from session buffer and build proxy data
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	256 session.buffer = session.buffer:sub(17 + length);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	257
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	258 local proxy_data = {
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	259 _version = version,
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	260 _addr_family = addr_family, _transport = transport,
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	261 _src_addr = src_addr, _src_port = src_port,
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	262 _dst_addr = dst_addr, _dst_port = dst_port
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	263 };
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	264 setmetatable(proxy_data, proxy_data_mt);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	265
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	266 -- Return successful response with gathered proxy data
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	267 return PROTO_HANDLER_STATUS.SUCCESS, proxy_data;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	268 else
2962 6b01600b9c02 mod_net_proxy: Adjusted log level of errors triggered by remote connections to 'warn' Pascal Mathis <mail@pascalmathis.com> parents: 2961 diff changeset	269 module:log("warn", "Received unsupported PROXYv2 command from %s: 0x%02X", conn:ip(), command);
2930 9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	270 return PROTO_HANDLER_STATUS.FAILURE, nil;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	271 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	272 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	273
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	274 -- Wrap an existing connection with the provided proxy data. This will override several methods of the 'conn' object to
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	275 -- return the proxied source instead of the source which initiated the TCP connection. Afterwards, the listener of the
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	276 -- connection gets set according to the globally defined port<>service mappings and the methods 'onconnect' and
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	277 -- 'onincoming' are being called manually with the current session buffer.
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	278 local function wrap_proxy_connection(conn, session, proxy_data)
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	279 -- Override and add functions of 'conn' object when source information has been collected
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	280 conn.proxyip, conn.proxyport = conn.ip, conn.port;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	281 if proxy_data:src_addr() ~= nil and proxy_data:src_port() ~= nil then
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	282 conn.ip = function()
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	283 return proxy_data:src_addr();
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	284 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	285 conn.port = function()
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	286 return proxy_data:src_port();
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	287 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	288 conn.clientport = conn.port;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	289 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	290
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	291 -- Attempt to find service by processing port<>service mappings
3562 b33b2fbdc713 mod_net_proxy: Ensure port numbers are coerced into numbers Kim Alvefur <zash@zash.se> parents: 2997 diff changeset	292 local mapping = mappings[tonumber(conn:serverport())];
2930 9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	293 if mapping == nil then
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	294 conn:close();
2962 6b01600b9c02 mod_net_proxy: Adjusted log level of errors triggered by remote connections to 'warn' Pascal Mathis <mail@pascalmathis.com> parents: 2961 diff changeset	295 module:log("warn", "Connection %s@%s terminated: Could not find mapping for port %d",
2930 9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	296 conn:ip(), conn:proxyip(), conn:serverport());
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	297 return;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	298 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	299
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	300 if mapping.service == nil then
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	301 local service = portmanager.get_service(mapping.service_name);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	302
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	303 if service ~= nil then
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	304 mapping.service = service;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	305 else
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	306 conn:close();
2962 6b01600b9c02 mod_net_proxy: Adjusted log level of errors triggered by remote connections to 'warn' Pascal Mathis <mail@pascalmathis.com> parents: 2961 diff changeset	307 module:log("warn", "Connection %s@%s terminated: Could not process mapping for unknown service %s",
2930 9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	308 conn:ip(), conn:proxyip(), mapping.service_name);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	309 return;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	310 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	311 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	312
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	313 -- Pass connection to actual service listener and simulate onconnect/onincoming callbacks
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	314 local service_listener = mapping.service.listener;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	315
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	316 module:log("info", "Passing proxied connection %s:%d to service %s", conn:ip(), conn:port(), mapping.service_name);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	317 conn:setlistener(service_listener);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	318 if service_listener.onconnect then
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	319 service_listener.onconnect(conn);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	320 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	321 return service_listener.onincoming(conn, session.buffer);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	322 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	323
2963 504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	324 local function is_trusted_proxy(conn)
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	325 -- If no trusted proxies were configured, trust any incoming connection
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	326 -- While this may seem insecure, the module defaults to only trusting 127.0.0.1 and ::1
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	327 if trusted_networks:empty() then
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	328 return true;
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	329 end
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	330
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	331 -- Iterate through all trusted proxies and check for match against connected IP address
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	332 local conn_ip = ip.new_ip(conn:ip());
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	333 for trusted_network in trusted_networks:items() do
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	334 if ip.match(trusted_network.ip, conn_ip, trusted_network.cidr) then
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	335 return true;
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	336 end
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	337 end
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	338
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	339 -- Connection does not match any trusted proxy
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	340 return false;
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	341 end
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	342
2930 9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	343 -- Network Listener Methods
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	344 local listener = {};
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	345
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	346 function listener.onconnect(conn)
2997 97b30fec709c mod_net_proxy: Fixed errors when connection with nil ip is being processed Pascal Mathis <mail@pascalmathis.com> parents: 2975 diff changeset	347 -- Silently drop connections with an IP address of <nil>, which can happen when the socket was closed before the
97b30fec709c mod_net_proxy: Fixed errors when connection with nil ip is being processed Pascal Mathis <mail@pascalmathis.com> parents: 2975 diff changeset	348 -- responsible net.server backend was able to grab the IP address of the connecting client.
97b30fec709c mod_net_proxy: Fixed errors when connection with nil ip is being processed Pascal Mathis <mail@pascalmathis.com> parents: 2975 diff changeset	349 if conn:ip() == nil then
97b30fec709c mod_net_proxy: Fixed errors when connection with nil ip is being processed Pascal Mathis <mail@pascalmathis.com> parents: 2975 diff changeset	350 conn:close();
97b30fec709c mod_net_proxy: Fixed errors when connection with nil ip is being processed Pascal Mathis <mail@pascalmathis.com> parents: 2975 diff changeset	351 return;
97b30fec709c mod_net_proxy: Fixed errors when connection with nil ip is being processed Pascal Mathis <mail@pascalmathis.com> parents: 2975 diff changeset	352 end
97b30fec709c mod_net_proxy: Fixed errors when connection with nil ip is being processed Pascal Mathis <mail@pascalmathis.com> parents: 2975 diff changeset	353
2963 504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	354 -- Check if connection is coming from a trusted proxy
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	355 if not is_trusted_proxy(conn) then
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	356 conn:close();
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	357 module:log("warn", "Dropped connection from untrusted proxy: %s", conn:ip());
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	358 return;
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	359 end
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	360
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	361 -- Initialize session variables
2930 9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	362 sessions[conn] = {
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	363 handler = nil;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	364 buffer = nil;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	365 };
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	366 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	367
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	368 function listener.onincoming(conn, data)
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	369 -- Abort processing if no data has been received
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	370 if not data then
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	371 return;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	372 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	373
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	374 -- Lookup session for connection and append received data to buffer
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	375 local session = sessions[conn];
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	376 session.buffer = session.buffer and session.buffer .. data or data;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	377
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	378 -- Attempt to determine protocol handler if not done previously
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	379 if session.handler == nil then
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	380 -- Match current session buffer against all known protocol signatures to determine protocol handler
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	381 for handler_name, handler in pairs(PROTO_HANDLERS) do
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	382 if session.buffer:find("^" .. handler.signature) ~= nil then
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	383 session.handler = handler.callback;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	384 module:log("debug", "Detected %s connection from %s:%d", handler_name, conn:ip(), conn:port());
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	385 break;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	386 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	387 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	388
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	389 -- Decide between waiting for a complete header signature or terminating the connection when no handler has been found
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	390 if session.handler == nil then
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	391 -- Terminate connection if buffer size has exceeded tolerable maximum size
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	392 if #session.buffer > PROTO_MAX_HEADER_LENGTH then
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	393 conn:close();
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	394 module:log("warn", "Connection %s:%d terminated: No valid PROXY header within %d bytes",
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	395 conn:ip(), conn:port(), PROTO_MAX_HEADER_LENGTH);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	396 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	397
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	398 -- Skip further processing without a valid protocol handler
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	399 module:log("debug", "No valid header signature detected from %s:%d, waiting for more data...",
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	400 conn:ip(), conn:port());
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	401 return;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	402 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	403 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	404
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	405 -- Execute proxy protocol handler and process response
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	406 local response, proxy_data = session.handler(conn, session);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	407 if response == PROTO_HANDLER_STATUS.SUCCESS then
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	408 module:log("info", "Received PROXY header from %s: %s", conn:ip(), proxy_data:describe());
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	409 return wrap_proxy_connection(conn, session, proxy_data);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	410 elseif response == PROTO_HANDLER_STATUS.POSTPONE then
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	411 module:log("debug", "Postponed parsing of incomplete PROXY header received from %s", conn:ip());
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	412 return;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	413 elseif response == PROTO_HANDLER_STATUS.FAILURE then
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	414 conn:close();
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	415 module:log("warn", "Connection %s terminated: Could not process PROXY header from client, " +
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	416 "see previous log messages.", conn:ip());
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	417 return;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	418 else
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	419 -- This code should be never reached, but is included for completeness
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	420 conn:close();
2962 6b01600b9c02 mod_net_proxy: Adjusted log level of errors triggered by remote connections to 'warn' Pascal Mathis <mail@pascalmathis.com> parents: 2961 diff changeset	421 module:log("warn", "Connection terminated: Received invalid protocol handler response with code %d", response);
2930 9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	422 return;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	423 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	424 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	425
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	426 function listener.ondisconnect(conn)
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	427 sessions[conn] = nil;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	428 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	429
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	430 listener.ondetach = listener.ondisconnect;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	431
2963 504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	432 -- Parse trusted proxies which can either contain single hosts or networks
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	433 if not config_trusted_proxies:empty() then
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	434 for trusted_proxy in config_trusted_proxies:items() do
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	435 local network = {};
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	436 network.ip, network.cidr = ip.parse_cidr(trusted_proxy);
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	437 trusted_networks:add(network);
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	438 end
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	439 else
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	440 module:log("warn", "No trusted proxies configured, all connections will be accepted - this might be dangerous");
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	441 end
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections Pascal Mathis <mail@pascalmathis.com> parents: 2962 diff changeset	442
2961 33227efa2cdc mod_net_proxy: Automatically listen on all mapped ports if proxy_ports was not configured Pascal Mathis <mail@pascalmathis.com> parents: 2935 diff changeset	443 -- Process all configured port mappings and generate a list of mapped ports
33227efa2cdc mod_net_proxy: Automatically listen on all mapped ports if proxy_ports was not configured Pascal Mathis <mail@pascalmathis.com> parents: 2935 diff changeset	444 local mapped_ports = {};
33227efa2cdc mod_net_proxy: Automatically listen on all mapped ports if proxy_ports was not configured Pascal Mathis <mail@pascalmathis.com> parents: 2935 diff changeset	445 for port, mapping in pairs(config_mappings) do
3562 b33b2fbdc713 mod_net_proxy: Ensure port numbers are coerced into numbers Kim Alvefur <zash@zash.se> parents: 2997 diff changeset	446 port = tonumber(port);
2961 33227efa2cdc mod_net_proxy: Automatically listen on all mapped ports if proxy_ports was not configured Pascal Mathis <mail@pascalmathis.com> parents: 2935 diff changeset	447 table.insert(mapped_ports, port);
33227efa2cdc mod_net_proxy: Automatically listen on all mapped ports if proxy_ports was not configured Pascal Mathis <mail@pascalmathis.com> parents: 2935 diff changeset	448 mappings[port] = {
33227efa2cdc mod_net_proxy: Automatically listen on all mapped ports if proxy_ports was not configured Pascal Mathis <mail@pascalmathis.com> parents: 2935 diff changeset	449 service_name = mapping,
33227efa2cdc mod_net_proxy: Automatically listen on all mapped ports if proxy_ports was not configured Pascal Mathis <mail@pascalmathis.com> parents: 2935 diff changeset	450 service = nil,
33227efa2cdc mod_net_proxy: Automatically listen on all mapped ports if proxy_ports was not configured Pascal Mathis <mail@pascalmathis.com> parents: 2935 diff changeset	451 };
33227efa2cdc mod_net_proxy: Automatically listen on all mapped ports if proxy_ports was not configured Pascal Mathis <mail@pascalmathis.com> parents: 2935 diff changeset	452 end
33227efa2cdc mod_net_proxy: Automatically listen on all mapped ports if proxy_ports was not configured Pascal Mathis <mail@pascalmathis.com> parents: 2935 diff changeset	453
33227efa2cdc mod_net_proxy: Automatically listen on all mapped ports if proxy_ports was not configured Pascal Mathis <mail@pascalmathis.com> parents: 2935 diff changeset	454 -- Log error message when user manually specifies ports without configuring the necessary port mappings
33227efa2cdc mod_net_proxy: Automatically listen on all mapped ports if proxy_ports was not configured Pascal Mathis <mail@pascalmathis.com> parents: 2935 diff changeset	455 if not config_ports:empty() then
33227efa2cdc mod_net_proxy: Automatically listen on all mapped ports if proxy_ports was not configured Pascal Mathis <mail@pascalmathis.com> parents: 2935 diff changeset	456 local missing_ports = config_ports - set.new(mapped_ports);
33227efa2cdc mod_net_proxy: Automatically listen on all mapped ports if proxy_ports was not configured Pascal Mathis <mail@pascalmathis.com> parents: 2935 diff changeset	457 if not missing_ports:empty() then
33227efa2cdc mod_net_proxy: Automatically listen on all mapped ports if proxy_ports was not configured Pascal Mathis <mail@pascalmathis.com> parents: 2935 diff changeset	458 module:log("error", "Missing port<>service mappings for these ports: %s", tostring(missing_ports));
2930 9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	459 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	460 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	461
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	462 -- Register the previously declared network listener
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	463 module:provides("net", {
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	464 name = "proxy";
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	465 listener = listener;
2961 33227efa2cdc mod_net_proxy: Automatically listen on all mapped ports if proxy_ports was not configured Pascal Mathis <mail@pascalmathis.com> parents: 2935 diff changeset	466 default_ports = mapped_ports;
2930 9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2 Pascal Mathis <mail@pascalmathis.com> parents: diff changeset	467 });

prosody-modules

cbe71ecb4677

mod_net_proxy/mod_net_proxy.lua

Software / code / prosody-modules

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mod_net_proxy/mod_net_proxy.lua @ 4886:cbe71ecb4677

Software `/` code `/` prosody-modules