annotate mod_net_proxy/mod_net_proxy.lua @ 2966:678be8ea4d38

mod_http_logging: Factor out body length calculation
author Kim Alvefur <zash@zash.se>
date Fri, 30 Mar 2018 13:35:43 +0200
parents 504bb330e910
children 7eb6fa9b03fd
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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);
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
162 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
163 _, 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
164 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
165 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
166 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
167 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
168
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
169 -- 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
170 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
171
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
172 local proxy_data = {
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
173 _version = 1,
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
174 _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
175 _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
176 _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
177 };
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
178 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
179
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
180 -- 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
181 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
182 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
183
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
184 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
185 -- 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
186 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
187 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
188 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
189
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
190 -- 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
191 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
192 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
193 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
194 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
195 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
196
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
197 -- 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
198 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
199 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
200 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
201
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
202 -- 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
203 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
204 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
205 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
206 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
207
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
208 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
209 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
210 -- 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
211 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
212 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
213
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
214 -- 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
215 local proxy_data = {
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
216 _version = version,
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
217 _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
218 _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
219 _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
220 };
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
221 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
222
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
223 -- 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
224 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
225 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
226 local offset = 1;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
227 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
228
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
229 -- 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
230 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
231 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
232 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
233 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
234
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
235 -- 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
236 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
237 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
238 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
239 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
240 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
241 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
242 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
243 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
244 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
245 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
246
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
247 -- 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
248 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
249 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
250 -- luacheck: ignore 311
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
251 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
252 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
253
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
254 -- 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
255 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
256
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
257 local proxy_data = {
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
258 _version = version,
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
259 _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
260 _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
261 _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
262 };
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
263 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
264
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
265 -- 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
266 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
267 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
268 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
269 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
270 end
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
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
273 -- 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
274 -- 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
275 -- 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
276 -- '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
277 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
278 -- 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
279 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
280 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
281 conn.ip = function()
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
282 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
283 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
284 conn.port = function()
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
285 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
286 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
287 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
288 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
289
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
290 -- Attempt to find service by processing port<>service mappings
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
291 local mapping = mappings[conn:serverport()];
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
292 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
293 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
294 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
295 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
296 return;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
297 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
298
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
299 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
300 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
301
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
302 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
303 mapping.service = service;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
304 else
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
305 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
306 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
307 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
308 return;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
309 end
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
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
312 -- 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
313 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
314
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
315 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
316 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
317 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
318 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
319 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
320 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
321 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
322
2963
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections
Pascal Mathis <mail@pascalmathis.com>
parents: 2962
diff changeset
323 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
324 -- 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
325 -- 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
326 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
327 return true;
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections
Pascal Mathis <mail@pascalmathis.com>
parents: 2962
diff changeset
328 end
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections
Pascal Mathis <mail@pascalmathis.com>
parents: 2962
diff changeset
329
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections
Pascal Mathis <mail@pascalmathis.com>
parents: 2962
diff changeset
330 -- 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
331 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
332 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
333 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
334 return true;
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections
Pascal Mathis <mail@pascalmathis.com>
parents: 2962
diff changeset
335 end
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
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections
Pascal Mathis <mail@pascalmathis.com>
parents: 2962
diff changeset
338 -- 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
339 return false;
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections
Pascal Mathis <mail@pascalmathis.com>
parents: 2962
diff changeset
340 end
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections
Pascal Mathis <mail@pascalmathis.com>
parents: 2962
diff changeset
341
2930
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
342 -- Network Listener Methods
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
343 local listener = {};
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
344
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
345 function listener.onconnect(conn)
2963
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections
Pascal Mathis <mail@pascalmathis.com>
parents: 2962
diff changeset
346 -- 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
347 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
348 conn:close();
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections
Pascal Mathis <mail@pascalmathis.com>
parents: 2962
diff changeset
349 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
350 return;
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections
Pascal Mathis <mail@pascalmathis.com>
parents: 2962
diff changeset
351 end
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections
Pascal Mathis <mail@pascalmathis.com>
parents: 2962
diff changeset
352
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections
Pascal Mathis <mail@pascalmathis.com>
parents: 2962
diff changeset
353 -- 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
354 sessions[conn] = {
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
355 handler = nil;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
356 buffer = nil;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
357 };
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
358 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
359
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
360 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
361 -- 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
362 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
363 return;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
364 end
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 -- 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
367 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
368 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
369
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
370 -- 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
371 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
372 -- 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
373 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
374 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
375 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
376 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
377 break;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
378 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
379 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
380
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
381 -- 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
382 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
383 -- 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
384 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
385 conn:close();
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
386 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
387 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
388 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
389
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
390 -- 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
391 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
392 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
393 return;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
394 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
395 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
396
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
397 -- 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
398 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
399 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
400 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
401 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
402 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
403 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
404 return;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
405 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
406 conn:close();
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
407 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
408 "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
409 return;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
410 else
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
411 -- 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
412 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
413 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
414 return;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
415 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
416 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
417
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
418 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
419 sessions[conn] = nil;
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
420 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
421
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
422 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
423
2963
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections
Pascal Mathis <mail@pascalmathis.com>
parents: 2962
diff changeset
424 -- 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
425 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
426 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
427 local network = {};
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections
Pascal Mathis <mail@pascalmathis.com>
parents: 2962
diff changeset
428 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
429 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
430 end
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections
Pascal Mathis <mail@pascalmathis.com>
parents: 2962
diff changeset
431 else
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections
Pascal Mathis <mail@pascalmathis.com>
parents: 2962
diff changeset
432 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
433 end
504bb330e910 mod_net_proxy: Added proxy_trusted_proxies for whitelisting incoming connections
Pascal Mathis <mail@pascalmathis.com>
parents: 2962
diff changeset
434
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
435 -- 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
436 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
437 for port, mapping in pairs(config_mappings) do
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
438 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
439 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
440 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
441 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
442 };
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 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
444
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 -- 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
446 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
447 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
448 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
449 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
450 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
451 end
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
452
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
453 -- 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
454 module:provides("net", {
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
455 name = "proxy";
9a62780e7ee2 mod_net_proxy: New module implementing PROXY protocol versions 1 and 2
Pascal Mathis <mail@pascalmathis.com>
parents:
diff changeset
456 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
457 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
458 });