diff options
Diffstat (limited to 'plugins/mod_s2s')
| -rw-r--r-- | plugins/mod_s2s/s2sout.lib.lua | 46 |
1 files changed, 22 insertions, 24 deletions
diff --git a/plugins/mod_s2s/s2sout.lib.lua b/plugins/mod_s2s/s2sout.lib.lua index 395406cd..42413164 100644 --- a/plugins/mod_s2s/s2sout.lib.lua +++ b/plugins/mod_s2s/s2sout.lib.lua @@ -18,31 +18,13 @@ local socket = require "socket"; local adns = require "net.adns"; local dns = require "net.dns"; local t_insert, t_sort, ipairs = table.insert, table.sort, ipairs; +local local_addresses = require "util.net".local_addresses; local s2s_destroy_session = require "core.s2smanager".destroy_session; local log = module._log; -local anysource = { IPv4 = "0.0.0.0", IPv6 = "::" }; -local function get_sources(addrs) - local sources = {}; - for _, IP in ipairs(addrs) do - local sock; - if IP.proto == "IPv4" then - sock = socket.udp(); - elseif IP.proto == "IPv6" then - sock = socket.udp6(); - end - sock:setpeername(IP.addr, 9); - local localaddr = sock:getsockname() or anysource[IP.proto]; - sock:close(); - if not sources[localaddr] then - sources[localaddr] = true; - t_insert(sources, new_ip(localaddr, IP.proto)); - end - end - return sources; -end +local sources = {}; local has_ipv4, has_ipv6; local dns_timeout = module:get_option_number("dns_timeout", 15); @@ -196,7 +178,7 @@ function s2sout.try_connect(host_session, connect_host, connect_port, err) if have_other_result then if #IPs > 0 then - rfc6724_dest(host_session.ip_hosts, get_sources(host_session.ip_hosts)); + rfc6724_dest(host_session.ip_hosts, sources); for i = 1, #IPs do IPs[i] = {ip = IPs[i], port = connect_port}; end @@ -232,7 +214,7 @@ function s2sout.try_connect(host_session, connect_host, connect_port, err) if have_other_result then if #IPs > 0 then - rfc6724_dest(host_session.ip_hosts, get_sources(host_session.ip_hosts)); + rfc6724_dest(host_session.ip_hosts, sources); for i = 1, #IPs do IPs[i] = {ip = IPs[i], port = connect_port}; end @@ -320,12 +302,28 @@ module:hook_global("service-added", function (event) return; end for source, _ in pairs(s2s_sources) do - if source:find(":") then - has_ipv6 = true; + if source == "*" or source == "0.0.0.0" then + for _, addr in ipairs(local_addresses("ipv4", true)) do + sources[#sources + 1] = new_ip(addr, "IPv4"); + end + elseif source == "::" then + for _, addr in ipairs(local_addresses("ipv6", true)) do + sources[#sources + 1] = new_ip(addr, "IPv6"); + end else + sources[#sources + 1] = new_ip(source, (source:find(":") and "IPv6") or "IPv4"); + end + end + for i = 1,#sources do + if sources[i].proto == "IPv6" then + has_ipv6 = true; + elseif sources[i].proto == "IPv4" then has_ipv4 = true; end end + if not (has_ipv4 or has_ipv6) then + module:log("warn", "No local IPv4 or IPv6 addresses detected, outgoing connections may fail"); + end end); return s2sout; |