From 0f126b9952078c0194677fd9c4ada56ca020b25f Mon Sep 17 00:00:00 2001 From: Florian Zeitz Date: Tue, 18 Jun 2013 23:02:20 +0200 Subject: net.dns: Support IPv6 addresses in resolv.conf [Backported from 0.10] --- net/dns.lua | 19 +++++++++++++------ 1 file changed, 13 insertions(+), 6 deletions(-) diff --git a/net/dns.lua b/net/dns.lua index 7ec13c81..9d90c24c 100644 --- a/net/dns.lua +++ b/net/dns.lua @@ -14,6 +14,7 @@ local socket = require "socket"; local timer = require "util.timer"; +local new_ip = require "util.ip".new_ip; local _, windows = pcall(require, "util.windows"); local is_windows = (_ and windows) or os.getenv("WINDIR"); @@ -599,11 +600,12 @@ function resolver:adddefaultnameservers() -- - - - - adddefaultnameservers if resolv_conf then for line in resolv_conf:lines() do line = line:gsub("#.*$", "") - :match('^%s*nameserver%s+(.*)%s*$'); + :match('^%s*nameserver%s+([%x:%.]*)%s*$'); if line then - line:gsub("%f[%d.](%d+%.%d+%.%d+%.%d+)%f[^%d.]", function (address) - self:addnameserver(address) - end); + local ip = new_ip(line); + if ip then + self:addnameserver(ip.addr); + end end end end @@ -623,7 +625,12 @@ function resolver:getsocket(servernum) -- - - - - - - - - - - - - getsocket if sock then return sock; end local ok, err; - sock, err = socket.udp(); + local peer = self.server[servernum]; + if peer:find(":") then + sock, err = socket.udp6(); + else + sock, err = socket.udp(); + end if sock and self.socket_wrapper then sock, err = self.socket_wrapper(sock, self); end if not sock then return nil, err; @@ -636,7 +643,7 @@ function resolver:getsocket(servernum) -- - - - - - - - - - - - - getsocket -- if so, try the next server ok, err = sock:setsockname('*', 0); if not ok then return self:servfail(sock, err); end - ok, err = sock:setpeername(self.server[servernum], 53); + ok, err = sock:setpeername(peer, 53); if not ok then return self:servfail(sock, err); end return sock; end -- cgit v1.2.3