Software `/` code `/` prosody

Annotate

net/dns.lua @ 3325:b3117a1da834

net.dns, net.adns: Move coroutine-calling logic into resolver:cancel()

author	Matthew Wild <mwild1@gmail.com>
date	Mon, 05 Jul 2010 11:51:17 +0100
parent	3324:070c8ba71b76
child	3326:fb95015bc646

rev	line source
1523 841d61be198f Remove version number from copyright headers Matthew Wild <mwild1@gmail.com> parents: 1202 diff changeset	1 -- Prosody IM
615 4ae3e81513f3 0.1 -> 0.2 Matthew Wild <mwild1@gmail.com> parents: 519 diff changeset	2 -- This file is included with Prosody IM. It has modifications,
4ae3e81513f3 0.1 -> 0.2 Matthew Wild <mwild1@gmail.com> parents: 519 diff changeset	3 -- which are hereby placed in the public domain.
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	4
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	5 -- public domain 20080404 lua@ztact.com
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	6
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	7
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	8 -- todo: quick (default) header generation
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	9 -- todo: nxdomain, error handling
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	10 -- todo: cache results of encodeName
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	11
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	12
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	13 -- reference: http://tools.ietf.org/html/rfc1035
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	14 -- reference: http://tools.ietf.org/html/rfc1876 (LOC)
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	15
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	16
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	17 local socket = require "socket";
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	18 local ztact = require "util.ztact";
3324 070c8ba71b76 net.dns: Handle our own timeouts, including falling onto other servers in resolv.conf if necessary Matthew Wild <mwild1@gmail.com> parents: 3057 diff changeset	19 local timer = require "util.timer";
070c8ba71b76 net.dns: Handle our own timeouts, including falling onto other servers in resolv.conf if necessary Matthew Wild <mwild1@gmail.com> parents: 3057 diff changeset	20
2067 0ed6369605bf net.dns: Updated to use util.windows.get_nameservers for enumerating nameservers on Windows. Waqas Hussain <waqas20@gmail.com> parents: 2027 diff changeset	21 local _, windows = pcall(require, "util.windows");
0ed6369605bf net.dns: Updated to use util.windows.get_nameservers for enumerating nameservers on Windows. Waqas Hussain <waqas20@gmail.com> parents: 2027 diff changeset	22 local is_windows = (_ and windows) or os.getenv("WINDIR");
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	23
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	24 local coroutine, io, math, string, table =
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	25 coroutine, io, math, string, table;
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	26
1202 e69fafc14491 net.dns: Add support for cancelling a coroutine-based request Matthew Wild <mwild1@gmail.com> parents: 896 diff changeset	27 local ipairs, next, pairs, print, setmetatable, tostring, assert, error, unpack =
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	28 ipairs, next, pairs, print, setmetatable, tostring, assert, error, unpack;
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	29
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	30 local get, set = ztact.get, ztact.set;
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	31
3324 070c8ba71b76 net.dns: Handle our own timeouts, including falling onto other servers in resolv.conf if necessary Matthew Wild <mwild1@gmail.com> parents: 3057 diff changeset	32 local dns_timeout = 15;
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	33
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	34 -------------------------------------------------- module dns
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	35 module('dns')
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	36 local dns = _M;
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	37
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	38
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	39 -- dns type & class codes ------------------------------ dns type & class codes
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	40
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	41
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	42 local append = table.insert
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	43
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	44
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	45 local function highbyte(i) -- - - - - - - - - - - - - - - - - - - highbyte
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	46 return (i-(i%0x100))/0x100;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	47 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	48
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	49
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	50 local function augment (t) -- - - - - - - - - - - - - - - - - - - - augment
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	51 local a = {};
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	52 for i,s in pairs(t) do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	53 a[i] = s;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	54 a[s] = s;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	55 a[string.lower(s)] = s;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	56 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	57 return a;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	58 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	59
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	60
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	61 local function encode (t) -- - - - - - - - - - - - - - - - - - - - - encode
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	62 local code = {};
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	63 for i,s in pairs(t) do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	64 local word = string.char(highbyte(i), i%0x100);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	65 code[i] = word;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	66 code[s] = word;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	67 code[string.lower(s)] = word;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	68 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	69 return code;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	70 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	71
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	72
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	73 dns.types = {
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	74 'A', 'NS', 'MD', 'MF', 'CNAME', 'SOA', 'MB', 'MG', 'MR', 'NULL', 'WKS',
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	75 'PTR', 'HINFO', 'MINFO', 'MX', 'TXT',
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	76 [ 28] = 'AAAA', [ 29] = 'LOC', [ 33] = 'SRV',
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	77 [252] = 'AXFR', [253] = 'MAILB', [254] = 'MAILA', [255] = '*' };
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	78
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	79
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	80 dns.classes = { 'IN', 'CS', 'CH', 'HS', [255] = '*' };
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	81
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	82
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	83 dns.type = augment (dns.types);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	84 dns.class = augment (dns.classes);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	85 dns.typecode = encode (dns.types);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	86 dns.classcode = encode (dns.classes);
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	87
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	88
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	89
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	90 local function standardize(qname, qtype, qclass) -- - - - - - - standardize
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	91 if string.byte(qname, -1) ~= 0x2E then qname = qname..'.'; end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	92 qname = string.lower(qname);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	93 return qname, dns.type[qtype or 'A'], dns.class[qclass or 'IN'];
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	94 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	95
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	96
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	97 local function prune(rrs, time, soft) -- - - - - - - - - - - - - - - prune
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	98 time = time or socket.gettime();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	99 for i,rr in pairs(rrs) do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	100 if rr.tod then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	101 -- rr.tod = rr.tod - 50 -- accelerated decripitude
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	102 rr.ttl = math.floor(rr.tod - time);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	103 if rr.ttl <= 0 then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	104 table.remove(rrs, i);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	105 return prune(rrs, time, soft); -- Re-iterate
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	106 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	107 elseif soft == 'soft' then -- What is this? I forget!
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	108 assert(rr.ttl == 0);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	109 rrs[i] = nil;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	110 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	111 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	112 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	113
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	114
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	115 -- metatables & co. ------------------------------------------ metatables & co.
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	116
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	117
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	118 local resolver = {};
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	119 resolver.__index = resolver;
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	120
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	121
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	122 local SRV_tostring;
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	123
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	124
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	125 local rr_metatable = {}; -- - - - - - - - - - - - - - - - - - - rr_metatable
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	126 function rr_metatable.__tostring(rr)
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	127 local s0 = string.format('%2s %-5s %6i %-28s', rr.class, rr.type, rr.ttl, rr.name);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	128 local s1 = '';
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	129 if rr.type == 'A' then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	130 s1 = ' '..rr.a;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	131 elseif rr.type == 'MX' then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	132 s1 = string.format(' %2i %s', rr.pref, rr.mx);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	133 elseif rr.type == 'CNAME' then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	134 s1 = ' '..rr.cname;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	135 elseif rr.type == 'LOC' then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	136 s1 = ' '..resolver.LOC_tostring(rr);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	137 elseif rr.type == 'NS' then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	138 s1 = ' '..rr.ns;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	139 elseif rr.type == 'SRV' then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	140 s1 = ' '..SRV_tostring(rr);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	141 elseif rr.type == 'TXT' then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	142 s1 = ' '..rr.txt;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	143 else
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	144 s1 = ' <UNKNOWN RDATA TYPE>';
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	145 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	146 return s0..s1;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	147 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	148
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	149
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	150 local rrs_metatable = {}; -- - - - - - - - - - - - - - - - - - rrs_metatable
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	151 function rrs_metatable.__tostring(rrs)
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	152 local t = {};
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	153 for i,rr in pairs(rrs) do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	154 append(t, tostring(rr)..'\n');
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	155 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	156 return table.concat(t);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	157 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	158
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	159
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	160 local cache_metatable = {}; -- - - - - - - - - - - - - - - - cache_metatable
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	161 function cache_metatable.__tostring(cache)
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	162 local time = socket.gettime();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	163 local t = {};
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	164 for class,types in pairs(cache) do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	165 for type,names in pairs(types) do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	166 for name,rrs in pairs(names) do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	167 prune(rrs, time);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	168 append(t, tostring(rrs));
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	169 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	170 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	171 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	172 return table.concat(t);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	173 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	174
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	175
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	176 function resolver:new() -- - - - - - - - - - - - - - - - - - - - - resolver
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	177 local r = { active = {}, cache = {}, unsorted = {} };
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	178 setmetatable(r, resolver);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	179 setmetatable(r.cache, cache_metatable);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	180 setmetatable(r.unsorted, { __mode = 'kv' });
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	181 return r;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	182 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	183
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	184
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	185 -- packet layer -------------------------------------------------- packet layer
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	186
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	187
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	188 function dns.random(...) -- - - - - - - - - - - - - - - - - - - dns.random
2425 772b2caf762e net.dns: Make sure math.randomseed() gets passed an integer Matthew Wild <mwild1@gmail.com> parents: 2387 diff changeset	189 math.randomseed(math.floor(10000*socket.gettime()));
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	190 dns.random = math.random;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	191 return dns.random(...);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	192 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	193
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	194
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	195 local function encodeHeader(o) -- - - - - - - - - - - - - - - encodeHeader
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	196 o = o or {};
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	197 o.id = o.id or dns.random(0, 0xffff); -- 16b (random) id
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	198
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	199 o.rd = o.rd or 1; -- 1b 1 recursion desired
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	200 o.tc = o.tc or 0; -- 1b 1 truncated response
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	201 o.aa = o.aa or 0; -- 1b 1 authoritative response
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	202 o.opcode = o.opcode or 0; -- 4b 0 query
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	203 -- 1 inverse query
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	204 -- 2 server status request
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	205 -- 3-15 reserved
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	206 o.qr = o.qr or 0; -- 1b 0 query, 1 response
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	207
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	208 o.rcode = o.rcode or 0; -- 4b 0 no error
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	209 -- 1 format error
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	210 -- 2 server failure
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	211 -- 3 name error
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	212 -- 4 not implemented
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	213 -- 5 refused
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	214 -- 6-15 reserved
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	215 o.z = o.z or 0; -- 3b 0 resvered
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	216 o.ra = o.ra or 0; -- 1b 1 recursion available
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	217
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	218 o.qdcount = o.qdcount or 1; -- 16b number of question RRs
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	219 o.ancount = o.ancount or 0; -- 16b number of answers RRs
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	220 o.nscount = o.nscount or 0; -- 16b number of nameservers RRs
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	221 o.arcount = o.arcount or 0; -- 16b number of additional RRs
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	222
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	223 -- string.char() rounds, so prevent roundup with -0.4999
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	224 local header = string.char(
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	225 highbyte(o.id), o.id %0x100,
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	226 o.rd + 2o.tc + 4o.aa + 8o.opcode + 128o.qr,
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	227 o.rcode + 16o.z + 128o.ra,
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	228 highbyte(o.qdcount), o.qdcount %0x100,
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	229 highbyte(o.ancount), o.ancount %0x100,
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	230 highbyte(o.nscount), o.nscount %0x100,
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	231 highbyte(o.arcount), o.arcount %0x100
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	232 );
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	233
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	234 return header, o.id;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	235 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	236
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	237
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	238 local function encodeName(name) -- - - - - - - - - - - - - - - - encodeName
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	239 local t = {};
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	240 for part in string.gmatch(name, '[^.]+') do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	241 append(t, string.char(string.len(part)));
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	242 append(t, part);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	243 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	244 append(t, string.char(0));
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	245 return table.concat(t);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	246 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	247
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	248
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	249 local function encodeQuestion(qname, qtype, qclass) -- - - - encodeQuestion
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	250 qname = encodeName(qname);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	251 qtype = dns.typecode[qtype or 'a'];
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	252 qclass = dns.classcode[qclass or 'in'];
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	253 return qname..qtype..qclass;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	254 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	255
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	256
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	257 function resolver:byte(len) -- - - - - - - - - - - - - - - - - - - - - byte
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	258 len = len or 1;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	259 local offset = self.offset;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	260 local last = offset + len - 1;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	261 if last > #self.packet then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	262 error(string.format('out of bounds: %i>%i', last, #self.packet));
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	263 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	264 self.offset = offset + len;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	265 return string.byte(self.packet, offset, last);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	266 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	267
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	268
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	269 function resolver:word() -- - - - - - - - - - - - - - - - - - - - - - word
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	270 local b1, b2 = self:byte(2);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	271 return 0x100*b1 + b2;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	272 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	273
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	274
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	275 function resolver:dword () -- - - - - - - - - - - - - - - - - - - - - dword
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	276 local b1, b2, b3, b4 = self:byte(4);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	277 --print('dword', b1, b2, b3, b4);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	278 return 0x1000000b1 + 0x10000b2 + 0x100*b3 + b4;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	279 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	280
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	281
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	282 function resolver:sub(len) -- - - - - - - - - - - - - - - - - - - - - - sub
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	283 len = len or 1;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	284 local s = string.sub(self.packet, self.offset, self.offset + len - 1);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	285 self.offset = self.offset + len;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	286 return s;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	287 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	288
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	289
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	290 function resolver:header(force) -- - - - - - - - - - - - - - - - - - header
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	291 local id = self:word();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	292 --print(string.format(':header id %x', id));
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	293 if not self.active[id] and not force then return nil; end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	294
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	295 local h = { id = id };
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	296
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	297 local b1, b2 = self:byte(2);
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	298
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	299 h.rd = b1 %2;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	300 h.tc = b1 /2%2;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	301 h.aa = b1 /4%2;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	302 h.opcode = b1 /8%16;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	303 h.qr = b1 /128;
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	304
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	305 h.rcode = b2 %16;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	306 h.z = b2 /16%8;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	307 h.ra = b2 /128;
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	308
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	309 h.qdcount = self:word();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	310 h.ancount = self:word();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	311 h.nscount = self:word();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	312 h.arcount = self:word();
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	313
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	314 for k,v in pairs(h) do h[k] = v-v%1; end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	315
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	316 return h;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	317 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	318
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	319
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	320 function resolver:name() -- - - - - - - - - - - - - - - - - - - - - - name
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	321 local remember, pointers = nil, 0;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	322 local len = self:byte();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	323 local n = {};
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	324 while len > 0 do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	325 if len >= 0xc0 then -- name is "compressed"
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	326 pointers = pointers + 1;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	327 if pointers >= 20 then error('dns error: 20 pointers'); end;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	328 local offset = ((len-0xc0)*0x100) + self:byte();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	329 remember = remember or self.offset;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	330 self.offset = offset + 1; -- +1 for lua
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	331 else -- name is not compressed
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	332 append(n, self:sub(len)..'.');
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	333 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	334 len = self:byte();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	335 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	336 self.offset = remember or self.offset;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	337 return table.concat(n);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	338 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	339
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	340
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	341 function resolver:question() -- - - - - - - - - - - - - - - - - - question
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	342 local q = {};
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	343 q.name = self:name();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	344 q.type = dns.type[self:word()];
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	345 q.class = dns.class[self:word()];
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	346 return q;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	347 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	348
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	349
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	350 function resolver:A(rr) -- - - - - - - - - - - - - - - - - - - - - - - - A
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	351 local b1, b2, b3, b4 = self:byte(4);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	352 rr.a = string.format('%i.%i.%i.%i', b1, b2, b3, b4);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	353 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	354
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	355
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	356 function resolver:CNAME(rr) -- - - - - - - - - - - - - - - - - - - - CNAME
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	357 rr.cname = self:name();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	358 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	359
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	360
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	361 function resolver:MX(rr) -- - - - - - - - - - - - - - - - - - - - - - - MX
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	362 rr.pref = self:word();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	363 rr.mx = self:name();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	364 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	365
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	366
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	367 function resolver:LOC_nibble_power() -- - - - - - - - - - LOC_nibble_power
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	368 local b = self:byte();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	369 --print('nibbles', ((b-(b%0x10))/0x10), (b%0x10));
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	370 return ((b-(b%0x10))/0x10) * (10^(b%0x10));
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	371 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	372
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	373
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	374 function resolver:LOC(rr) -- - - - - - - - - - - - - - - - - - - - - - LOC
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	375 rr.version = self:byte();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	376 if rr.version == 0 then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	377 rr.loc = rr.loc or {};
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	378 rr.loc.size = self:LOC_nibble_power();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	379 rr.loc.horiz_pre = self:LOC_nibble_power();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	380 rr.loc.vert_pre = self:LOC_nibble_power();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	381 rr.loc.latitude = self:dword();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	382 rr.loc.longitude = self:dword();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	383 rr.loc.altitude = self:dword();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	384 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	385 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	386
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	387
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	388 local function LOC_tostring_degrees(f, pos, neg) -- - - - - - - - - - - - -
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	389 f = f - 0x80000000;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	390 if f < 0 then pos = neg; f = -f; end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	391 local deg, min, msec;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	392 msec = f%60000;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	393 f = (f-msec)/60000;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	394 min = f%60;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	395 deg = (f-min)/60;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	396 return string.format('%3d %2d %2.3f %s', deg, min, msec/1000, pos);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	397 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	398
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	399
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	400 function resolver.LOC_tostring(rr) -- - - - - - - - - - - - - LOC_tostring
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	401 local t = {};
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	402
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	403 --[[
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	404 for k,name in pairs { 'size', 'horiz_pre', 'vert_pre', 'latitude', 'longitude', 'altitude' } do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	405 append(t, string.format('%4s%-10s: %12.0f\n', '', name, rr.loc[name]));
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	406 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	407 --]]
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	408
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	409 append(t, string.format(
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	410 '%s %s %.2fm %.2fm %.2fm %.2fm',
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	411 LOC_tostring_degrees (rr.loc.latitude, 'N', 'S'),
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	412 LOC_tostring_degrees (rr.loc.longitude, 'E', 'W'),
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	413 (rr.loc.altitude - 10000000) / 100,
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	414 rr.loc.size / 100,
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	415 rr.loc.horiz_pre / 100,
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	416 rr.loc.vert_pre / 100
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	417 ));
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	418
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	419 return table.concat(t);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	420 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	421
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	422
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	423 function resolver:NS(rr) -- - - - - - - - - - - - - - - - - - - - - - - NS
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	424 rr.ns = self:name();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	425 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	426
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	427
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	428 function resolver:SOA(rr) -- - - - - - - - - - - - - - - - - - - - - - SOA
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	429 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	430
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	431
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	432 function resolver:SRV(rr) -- - - - - - - - - - - - - - - - - - - - - - SRV
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	433 rr.srv = {};
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	434 rr.srv.priority = self:word();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	435 rr.srv.weight = self:word();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	436 rr.srv.port = self:word();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	437 rr.srv.target = self:name();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	438 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	439
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	440
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	441 function SRV_tostring(rr) -- - - - - - - - - - - - - - - - - - SRV_tostring
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	442 local s = rr.srv;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	443 return string.format( '%5d %5d %5d %s', s.priority, s.weight, s.port, s.target );
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	444 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	445
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	446
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	447 function resolver:TXT(rr) -- - - - - - - - - - - - - - - - - - - - - - TXT
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	448 rr.txt = self:sub (rr.rdlength);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	449 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	450
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	451
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	452 function resolver:rr() -- - - - - - - - - - - - - - - - - - - - - - - - rr
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	453 local rr = {};
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	454 setmetatable(rr, rr_metatable);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	455 rr.name = self:name(self);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	456 rr.type = dns.type[self:word()] or rr.type;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	457 rr.class = dns.class[self:word()] or rr.class;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	458 rr.ttl = 0x10000*self:word() + self:word();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	459 rr.rdlength = self:word();
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	460
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	461 if rr.ttl <= 0 then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	462 rr.tod = self.time + 30;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	463 else
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	464 rr.tod = self.time + rr.ttl;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	465 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	466
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	467 local remember = self.offset;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	468 local rr_parser = self[dns.type[rr.type]];
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	469 if rr_parser then rr_parser(self, rr); end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	470 self.offset = remember;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	471 rr.rdata = self:sub(rr.rdlength);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	472 return rr;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	473 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	474
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	475
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	476 function resolver:rrs (count) -- - - - - - - - - - - - - - - - - - - - - rrs
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	477 local rrs = {};
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	478 for i = 1,count do append(rrs, self:rr()); end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	479 return rrs;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	480 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	481
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	482
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	483 function resolver:decode(packet, force) -- - - - - - - - - - - - - - decode
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	484 self.packet, self.offset = packet, 1;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	485 local header = self:header(force);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	486 if not header then return nil; end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	487 local response = { header = header };
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	488
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	489 response.question = {};
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	490 local offset = self.offset;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	491 for i = 1,response.header.qdcount do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	492 append(response.question, self:question());
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	493 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	494 response.question.raw = string.sub(self.packet, offset, self.offset - 1);
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	495
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	496 if not force then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	497 if not self.active[response.header.id] or not self.active[response.header.id][response.question.raw] then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	498 return nil;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	499 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	500 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	501
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	502 response.answer = self:rrs(response.header.ancount);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	503 response.authority = self:rrs(response.header.nscount);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	504 response.additional = self:rrs(response.header.arcount);
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	505
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	506 return response;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	507 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	508
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	509
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	510 -- socket layer -------------------------------------------------- socket layer
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	511
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	512
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	513 resolver.delays = { 1, 3 };
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	514
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	515
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	516 function resolver:addnameserver(address) -- - - - - - - - - - addnameserver
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	517 self.server = self.server or {};
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	518 append(self.server, address);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	519 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	520
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	521
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	522 function resolver:setnameserver(address) -- - - - - - - - - - setnameserver
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	523 self.server = {};
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	524 self:addnameserver(address);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	525 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	526
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	527
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	528 function resolver:adddefaultnameservers() -- - - - - adddefaultnameservers
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	529 if is_windows then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	530 if windows then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	531 for _, server in ipairs(windows.get_nameservers()) do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	532 self:addnameserver(server);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	533 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	534 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	535 if not self.server or #self.server == 0 then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	536 -- TODO log warning about no nameservers, adding opendns servers as fallback
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	537 self:addnameserver("208.67.222.222");
2742 6c0a081cd766 net.dns: Trailing whitespace Matthew Wild <mwild1@gmail.com> parents: 2741 diff changeset	538 self:addnameserver("208.67.220.220");
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	539 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	540 else -- posix
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	541 local resolv_conf = io.open("/etc/resolv.conf");
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	542 if resolv_conf then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	543 for line in resolv_conf:lines() do
2741 fcd30b72c50c net.dns: More reliable parsing of resolv.conf - allow multiple nameserver IPs on one line (thanks dersd) Matthew Wild <mwild1@gmail.com> parents: 2620 diff changeset	544 line = line:gsub("#.*$", "")
fcd30b72c50c net.dns: More reliable parsing of resolv.conf - allow multiple nameserver IPs on one line (thanks dersd) Matthew Wild <mwild1@gmail.com> parents: 2620 diff changeset	545 :match('^%snameserver%s+(.)%s*$');
fcd30b72c50c net.dns: More reliable parsing of resolv.conf - allow multiple nameserver IPs on one line (thanks dersd) Matthew Wild <mwild1@gmail.com> parents: 2620 diff changeset	546 if line then
fcd30b72c50c net.dns: More reliable parsing of resolv.conf - allow multiple nameserver IPs on one line (thanks dersd) Matthew Wild <mwild1@gmail.com> parents: 2620 diff changeset	547 line:gsub("%f[%d.](%d+%.%d+%.%d+%.%d+)%f[^%d.]", function (address)
fcd30b72c50c net.dns: More reliable parsing of resolv.conf - allow multiple nameserver IPs on one line (thanks dersd) Matthew Wild <mwild1@gmail.com> parents: 2620 diff changeset	548 self:addnameserver(address)
fcd30b72c50c net.dns: More reliable parsing of resolv.conf - allow multiple nameserver IPs on one line (thanks dersd) Matthew Wild <mwild1@gmail.com> parents: 2620 diff changeset	549 end);
fcd30b72c50c net.dns: More reliable parsing of resolv.conf - allow multiple nameserver IPs on one line (thanks dersd) Matthew Wild <mwild1@gmail.com> parents: 2620 diff changeset	550 end
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	551 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	552 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	553 if not self.server or #self.server == 0 then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	554 -- TODO log warning about no nameservers, adding localhost as the default nameserver
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	555 self:addnameserver("127.0.0.1");
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	556 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	557 end
399 93b6587d9afb Added temporary fix for srv on windows: using opendns nameservers Waqas Hussain <waqas20@gmail.com> parents: 379 diff changeset	558 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	559
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	560
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	561 function resolver:getsocket(servernum) -- - - - - - - - - - - - - getsocket
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	562 self.socket = self.socket or {};
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	563 self.socketset = self.socketset or {};
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	564
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	565 local sock = self.socket[servernum];
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	566 if sock then return sock; end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	567
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	568 sock = socket.udp();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	569 if self.socket_wrapper then sock = self.socket_wrapper(sock, self); end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	570 sock:settimeout(0);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	571 -- todo: attempt to use a random port, fallback to 0
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	572 sock:setsockname('*', 0);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	573 sock:setpeername(self.server[servernum], 53);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	574 self.socket[servernum] = sock;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	575 self.socketset[sock] = servernum;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	576 return sock;
1786 4016d8bc30b8 net.dns: Multiple internal changes and API extensions to allow for more reliable DNS lookups Matthew Wild <mwild1@gmail.com> parents: 1523 diff changeset	577 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	578
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	579 function resolver:voidsocket(sock)
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	580 if self.socket[sock] then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	581 self.socketset[self.socket[sock]] = nil;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	582 self.socket[sock] = nil;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	583 elseif self.socketset[sock] then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	584 self.socket[self.socketset[sock]] = nil;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	585 self.socketset[sock] = nil;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	586 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	587 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	588
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	589 function resolver:socket_wrapper_set(func) -- - - - - - - socket_wrapper_set
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	590 self.socket_wrapper = func;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	591 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	592
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	593
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	594 function resolver:closeall () -- - - - - - - - - - - - - - - - - - closeall
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	595 for i,sock in ipairs(self.socket) do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	596 self.socket[i] = nil;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	597 self.socketset[sock] = nil;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	598 sock:close();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	599 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	600 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	601
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	602
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	603 function resolver:remember(rr, type) -- - - - - - - - - - - - - - remember
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	604 --print ('remember', type, rr.class, rr.type, rr.name)
2620 481c6724818f net.dns: Normalize records before placing them in the cache, fixes issues with CNAME targets in CAPS (fixes #161) Matthew Wild <mwild1@gmail.com> parents: 2619 diff changeset	605 local qname, qtype, qclass = standardize(rr.name, rr.type, rr.class);
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	606
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	607 if type ~= '*' then
2620 481c6724818f net.dns: Normalize records before placing them in the cache, fixes issues with CNAME targets in CAPS (fixes #161) Matthew Wild <mwild1@gmail.com> parents: 2619 diff changeset	608 type = qtype;
481c6724818f net.dns: Normalize records before placing them in the cache, fixes issues with CNAME targets in CAPS (fixes #161) Matthew Wild <mwild1@gmail.com> parents: 2619 diff changeset	609 local all = get(self.cache, qclass, '*', qname);
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	610 --print('remember all', all);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	611 if all then append(all, rr); end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	612 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	613
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	614 self.cache = self.cache or setmetatable({}, cache_metatable);
2620 481c6724818f net.dns: Normalize records before placing them in the cache, fixes issues with CNAME targets in CAPS (fixes #161) Matthew Wild <mwild1@gmail.com> parents: 2619 diff changeset	615 local rrs = get(self.cache, qclass, type, qname) or
481c6724818f net.dns: Normalize records before placing them in the cache, fixes issues with CNAME targets in CAPS (fixes #161) Matthew Wild <mwild1@gmail.com> parents: 2619 diff changeset	616 set(self.cache, qclass, type, qname, setmetatable({}, rrs_metatable));
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	617 append(rrs, rr);
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	618
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	619 if type == 'MX' then self.unsorted[rrs] = true; end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	620 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	621
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	622
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	623 local function comp_mx(a, b) -- - - - - - - - - - - - - - - - - - - comp_mx
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	624 return (a.pref == b.pref) and (a.mx < b.mx) or (a.pref < b.pref);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	625 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	626
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	627
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	628 function resolver:peek (qname, qtype, qclass) -- - - - - - - - - - - - peek
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	629 qname, qtype, qclass = standardize(qname, qtype, qclass);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	630 local rrs = get(self.cache, qclass, qtype, qname);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	631 if not rrs then return nil; end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	632 if prune(rrs, socket.gettime()) and qtype == '*' or not next(rrs) then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	633 set(self.cache, qclass, qtype, qname, nil);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	634 return nil;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	635 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	636 if self.unsorted[rrs] then table.sort (rrs, comp_mx); end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	637 return rrs;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	638 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	639
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	640
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	641 function resolver:purge(soft) -- - - - - - - - - - - - - - - - - - - purge
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	642 if soft == 'soft' then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	643 self.time = socket.gettime();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	644 for class,types in pairs(self.cache or {}) do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	645 for type,names in pairs(types) do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	646 for name,rrs in pairs(names) do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	647 prune(rrs, self.time, 'soft')
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	648 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	649 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	650 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	651 else self.cache = {}; end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	652 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	653
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	654
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	655 function resolver:query(qname, qtype, qclass) -- - - - - - - - - - -- query
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	656 qname, qtype, qclass = standardize(qname, qtype, qclass)
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	657
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	658 if not self.server then self:adddefaultnameservers(); end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	659
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	660 local question = encodeQuestion(qname, qtype, qclass);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	661 local peek = self:peek (qname, qtype, qclass);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	662 if peek then return peek; end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	663
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	664 local header, id = encodeHeader();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	665 --print ('query id', id, qclass, qtype, qname)
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	666 local o = {
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	667 packet = header..question,
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	668 server = self.best_server,
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	669 delay = 1,
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	670 retry = socket.gettime() + self.delays[1]
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	671 };
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	672
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	673 -- remember the query
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	674 self.active[id] = self.active[id] or {};
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	675 self.active[id][question] = o;
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	676
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	677 -- remember which coroutine wants the answer
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	678 local co = coroutine.running();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	679 if co then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	680 set(self.wanted, qclass, qtype, qname, co, true);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	681 --set(self.yielded, co, qclass, qtype, qname, true);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	682 end
1786 4016d8bc30b8 net.dns: Multiple internal changes and API extensions to allow for more reliable DNS lookups Matthew Wild <mwild1@gmail.com> parents: 1523 diff changeset	683
3324 070c8ba71b76 net.dns: Handle our own timeouts, including falling onto other servers in resolv.conf if necessary Matthew Wild <mwild1@gmail.com> parents: 3057 diff changeset	684 local conn = self:getsocket(o.server)
070c8ba71b76 net.dns: Handle our own timeouts, including falling onto other servers in resolv.conf if necessary Matthew Wild <mwild1@gmail.com> parents: 3057 diff changeset	685 conn:send (o.packet)
070c8ba71b76 net.dns: Handle our own timeouts, including falling onto other servers in resolv.conf if necessary Matthew Wild <mwild1@gmail.com> parents: 3057 diff changeset	686
070c8ba71b76 net.dns: Handle our own timeouts, including falling onto other servers in resolv.conf if necessary Matthew Wild <mwild1@gmail.com> parents: 3057 diff changeset	687 if timer then
070c8ba71b76 net.dns: Handle our own timeouts, including falling onto other servers in resolv.conf if necessary Matthew Wild <mwild1@gmail.com> parents: 3057 diff changeset	688 local num_servers = #self.server;
070c8ba71b76 net.dns: Handle our own timeouts, including falling onto other servers in resolv.conf if necessary Matthew Wild <mwild1@gmail.com> parents: 3057 diff changeset	689 local i = 1;
070c8ba71b76 net.dns: Handle our own timeouts, including falling onto other servers in resolv.conf if necessary Matthew Wild <mwild1@gmail.com> parents: 3057 diff changeset	690 timer.add_task(dns_timeout, function ()
070c8ba71b76 net.dns: Handle our own timeouts, including falling onto other servers in resolv.conf if necessary Matthew Wild <mwild1@gmail.com> parents: 3057 diff changeset	691 if get(self.wanted, qclass, qtype, qname, co) then
070c8ba71b76 net.dns: Handle our own timeouts, including falling onto other servers in resolv.conf if necessary Matthew Wild <mwild1@gmail.com> parents: 3057 diff changeset	692 if i < num_servers then
070c8ba71b76 net.dns: Handle our own timeouts, including falling onto other servers in resolv.conf if necessary Matthew Wild <mwild1@gmail.com> parents: 3057 diff changeset	693 i = i + 1;
070c8ba71b76 net.dns: Handle our own timeouts, including falling onto other servers in resolv.conf if necessary Matthew Wild <mwild1@gmail.com> parents: 3057 diff changeset	694 self:servfail(conn);
070c8ba71b76 net.dns: Handle our own timeouts, including falling onto other servers in resolv.conf if necessary Matthew Wild <mwild1@gmail.com> parents: 3057 diff changeset	695 o.server = self.best_server;
070c8ba71b76 net.dns: Handle our own timeouts, including falling onto other servers in resolv.conf if necessary Matthew Wild <mwild1@gmail.com> parents: 3057 diff changeset	696 conn = self:getsocket(o.server);
070c8ba71b76 net.dns: Handle our own timeouts, including falling onto other servers in resolv.conf if necessary Matthew Wild <mwild1@gmail.com> parents: 3057 diff changeset	697 conn:send(o.packet);
070c8ba71b76 net.dns: Handle our own timeouts, including falling onto other servers in resolv.conf if necessary Matthew Wild <mwild1@gmail.com> parents: 3057 diff changeset	698 return dns_timeout;
070c8ba71b76 net.dns: Handle our own timeouts, including falling onto other servers in resolv.conf if necessary Matthew Wild <mwild1@gmail.com> parents: 3057 diff changeset	699 else
070c8ba71b76 net.dns: Handle our own timeouts, including falling onto other servers in resolv.conf if necessary Matthew Wild <mwild1@gmail.com> parents: 3057 diff changeset	700 -- Tried everything, failed
070c8ba71b76 net.dns: Handle our own timeouts, including falling onto other servers in resolv.conf if necessary Matthew Wild <mwild1@gmail.com> parents: 3057 diff changeset	701 resolver:cancel({qclass, qtype, qname, co}, true);
070c8ba71b76 net.dns: Handle our own timeouts, including falling onto other servers in resolv.conf if necessary Matthew Wild <mwild1@gmail.com> parents: 3057 diff changeset	702 end
070c8ba71b76 net.dns: Handle our own timeouts, including falling onto other servers in resolv.conf if necessary Matthew Wild <mwild1@gmail.com> parents: 3057 diff changeset	703 end
070c8ba71b76 net.dns: Handle our own timeouts, including falling onto other servers in resolv.conf if necessary Matthew Wild <mwild1@gmail.com> parents: 3057 diff changeset	704 end)
070c8ba71b76 net.dns: Handle our own timeouts, including falling onto other servers in resolv.conf if necessary Matthew Wild <mwild1@gmail.com> parents: 3057 diff changeset	705 end
869 09019c452709 net.dns: Add methods necessary for allowing non-blocking DNS lookups Matthew Wild <mwild1@gmail.com> parents: 759 diff changeset	706 end
09019c452709 net.dns: Add methods necessary for allowing non-blocking DNS lookups Matthew Wild <mwild1@gmail.com> parents: 759 diff changeset	707
1786 4016d8bc30b8 net.dns: Multiple internal changes and API extensions to allow for more reliable DNS lookups Matthew Wild <mwild1@gmail.com> parents: 1523 diff changeset	708 function resolver:servfail(sock)
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	709 -- Resend all queries for this server
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	710
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	711 local num = self.socketset[sock]
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	712
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	713 -- Socket is dead now
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	714 self:voidsocket(sock);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	715
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	716 -- Find all requests to the down server, and retry on the next server
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	717 self.time = socket.gettime();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	718 for id,queries in pairs(self.active) do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	719 for question,o in pairs(queries) do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	720 if o.server == num then -- This request was to the broken server
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	721 o.server = o.server + 1 -- Use next server
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	722 if o.server > #self.server then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	723 o.server = 1;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	724 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	725
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	726 o.retries = (o.retries or 0) + 1;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	727 if o.retries >= #self.server then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	728 --print('timeout');
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	729 queries[question] = nil;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	730 else
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	731 local _a = self:getsocket(o.server);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	732 if _a then _a:send(o.packet); end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	733 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	734 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	735 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	736 end
1786 4016d8bc30b8 net.dns: Multiple internal changes and API extensions to allow for more reliable DNS lookups Matthew Wild <mwild1@gmail.com> parents: 1523 diff changeset	737
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	738 if num == self.best_server then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	739 self.best_server = self.best_server + 1;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	740 if self.best_server > #self.server then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	741 -- Exhausted all servers, try first again
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	742 self.best_server = 1;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	743 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	744 end
1786 4016d8bc30b8 net.dns: Multiple internal changes and API extensions to allow for more reliable DNS lookups Matthew Wild <mwild1@gmail.com> parents: 1523 diff changeset	745 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	746
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	747 function resolver:receive(rset) -- - - - - - - - - - - - - - - - - receive
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	748 --print('receive'); print(self.socket);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	749 self.time = socket.gettime();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	750 rset = rset or self.socket;
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	751
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	752 local response;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	753 for i,sock in pairs(rset) do
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	754
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	755 if self.socketset[sock] then
2619 04158baefa34 net.dns: Update for new socket API Matthew Wild <mwild1@gmail.com> parents: 2578 diff changeset	756 local packet = sock:receive();
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	757 if packet then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	758 response = self:decode(packet);
2278 8c10f13c0c20 modulemanager, net.dns: Remove trailing whitespace Matthew Wild <mwild1@gmail.com> parents: 2082 diff changeset	759 if response and self.active[response.header.id]
2081 b9bbb709d62e net.dns: Be more strict about checking the DNS replies we receive Matthew Wild <mwild1@gmail.com> parents: 2069 diff changeset	760 and self.active[response.header.id][response.question.raw] then
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	761 --print('received response');
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	762 --self.print(response);
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	763
2082 1381b2071c2e net.dns: Be more strict about the records we cache Matthew Wild <mwild1@gmail.com> parents: 2081 diff changeset	764 for j,rr in pairs(response.answer) do
1381b2071c2e net.dns: Be more strict about the records we cache Matthew Wild <mwild1@gmail.com> parents: 2081 diff changeset	765 if rr.name:sub(-#response.question[1].name, -1) == response.question[1].name then
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	766 self:remember(rr, response.question[1].type)
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	767 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	768 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	769
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	770 -- retire the query
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	771 local queries = self.active[response.header.id];
2082 1381b2071c2e net.dns: Be more strict about the records we cache Matthew Wild <mwild1@gmail.com> parents: 2081 diff changeset	772 queries[response.question.raw] = nil;
1381b2071c2e net.dns: Be more strict about the records we cache Matthew Wild <mwild1@gmail.com> parents: 2081 diff changeset	773
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	774 if not next(queries) then self.active[response.header.id] = nil; end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	775 if not next(self.active) then self:closeall(); end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	776
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	777 -- was the query on the wanted list?
2301 8a01b0898679 net.dns: Fix for blocking dns lookups to find waiting coroutines correctly (not that we use this in Prosody...) Matthew Wild <mwild1@gmail.com> parents: 2300 diff changeset	778 local q = response.question[1];
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	779 local cos = get(self.wanted, q.class, q.type, q.name);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	780 if cos then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	781 for co in pairs(cos) do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	782 set(self.yielded, co, q.class, q.type, q.name, nil);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	783 if coroutine.status(co) == "suspended" then coroutine.resume(co); end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	784 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	785 set(self.wanted, q.class, q.type, q.name, nil);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	786 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	787 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	788 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	789 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	790 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	791
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	792 return response;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	793 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	794
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	795
869 09019c452709 net.dns: Add methods necessary for allowing non-blocking DNS lookups Matthew Wild <mwild1@gmail.com> parents: 759 diff changeset	796 function resolver:feed(sock, packet)
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	797 --print('receive'); print(self.socket);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	798 self.time = socket.gettime();
869 09019c452709 net.dns: Add methods necessary for allowing non-blocking DNS lookups Matthew Wild <mwild1@gmail.com> parents: 759 diff changeset	799
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	800 local response = self:decode(packet);
2300 e182b5029ef2 net.dns: Port some DNS fixes to the resolver:feed() function for net.adns to use Matthew Wild <mwild1@gmail.com> parents: 2278 diff changeset	801 if response and self.active[response.header.id]
e182b5029ef2 net.dns: Port some DNS fixes to the resolver:feed() function for net.adns to use Matthew Wild <mwild1@gmail.com> parents: 2278 diff changeset	802 and self.active[response.header.id][response.question.raw] then
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	803 --print('received response');
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	804 --self.print(response);
869 09019c452709 net.dns: Add methods necessary for allowing non-blocking DNS lookups Matthew Wild <mwild1@gmail.com> parents: 759 diff changeset	805
2300 e182b5029ef2 net.dns: Port some DNS fixes to the resolver:feed() function for net.adns to use Matthew Wild <mwild1@gmail.com> parents: 2278 diff changeset	806 for j,rr in pairs(response.answer) do
e182b5029ef2 net.dns: Port some DNS fixes to the resolver:feed() function for net.adns to use Matthew Wild <mwild1@gmail.com> parents: 2278 diff changeset	807 self:remember(rr, response.question[1].type);
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	808 end
869 09019c452709 net.dns: Add methods necessary for allowing non-blocking DNS lookups Matthew Wild <mwild1@gmail.com> parents: 759 diff changeset	809
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	810 -- retire the query
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	811 local queries = self.active[response.header.id];
2300 e182b5029ef2 net.dns: Port some DNS fixes to the resolver:feed() function for net.adns to use Matthew Wild <mwild1@gmail.com> parents: 2278 diff changeset	812 queries[response.question.raw] = nil;
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	813 if not next(queries) then self.active[response.header.id] = nil; end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	814 if not next(self.active) then self:closeall(); end
869 09019c452709 net.dns: Add methods necessary for allowing non-blocking DNS lookups Matthew Wild <mwild1@gmail.com> parents: 759 diff changeset	815
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	816 -- was the query on the wanted list?
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	817 local q = response.question[1];
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	818 if q then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	819 local cos = get(self.wanted, q.class, q.type, q.name);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	820 if cos then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	821 for co in pairs(cos) do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	822 set(self.yielded, co, q.class, q.type, q.name, nil);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	823 if coroutine.status(co) == "suspended" then coroutine.resume(co); end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	824 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	825 set(self.wanted, q.class, q.type, q.name, nil);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	826 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	827 end
2742 6c0a081cd766 net.dns: Trailing whitespace Matthew Wild <mwild1@gmail.com> parents: 2741 diff changeset	828 end
869 09019c452709 net.dns: Add methods necessary for allowing non-blocking DNS lookups Matthew Wild <mwild1@gmail.com> parents: 759 diff changeset	829
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	830 return response;
869 09019c452709 net.dns: Add methods necessary for allowing non-blocking DNS lookups Matthew Wild <mwild1@gmail.com> parents: 759 diff changeset	831 end
09019c452709 net.dns: Add methods necessary for allowing non-blocking DNS lookups Matthew Wild <mwild1@gmail.com> parents: 759 diff changeset	832
3325 b3117a1da834 net.dns, net.adns: Move coroutine-calling logic into resolver:cancel() Matthew Wild <mwild1@gmail.com> parents: 3324 diff changeset	833 function resolver:cancel(data, call_handler)
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	834 local cos = get(self.wanted, unpack(data, 1, 3));
1202 e69fafc14491 net.dns: Add support for cancelling a coroutine-based request Matthew Wild <mwild1@gmail.com> parents: 896 diff changeset	835 if cos then
3325 b3117a1da834 net.dns, net.adns: Move coroutine-calling logic into resolver:cancel() Matthew Wild <mwild1@gmail.com> parents: 3324 diff changeset	836 if call_handler then
b3117a1da834 net.dns, net.adns: Move coroutine-calling logic into resolver:cancel() Matthew Wild <mwild1@gmail.com> parents: 3324 diff changeset	837 coroutine.resume(data[4]);
b3117a1da834 net.dns, net.adns: Move coroutine-calling logic into resolver:cancel() Matthew Wild <mwild1@gmail.com> parents: 3324 diff changeset	838 end
1202 e69fafc14491 net.dns: Add support for cancelling a coroutine-based request Matthew Wild <mwild1@gmail.com> parents: 896 diff changeset	839 cos[data[4]] = nil;
e69fafc14491 net.dns: Add support for cancelling a coroutine-based request Matthew Wild <mwild1@gmail.com> parents: 896 diff changeset	840 end
e69fafc14491 net.dns: Add support for cancelling a coroutine-based request Matthew Wild <mwild1@gmail.com> parents: 896 diff changeset	841 end
869 09019c452709 net.dns: Add methods necessary for allowing non-blocking DNS lookups Matthew Wild <mwild1@gmail.com> parents: 759 diff changeset	842
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	843 function resolver:pulse() -- - - - - - - - - - - - - - - - - - - - - pulse
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	844 --print(':pulse');
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	845 while self:receive() do end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	846 if not next(self.active) then return nil; end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	847
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	848 self.time = socket.gettime();
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	849 for id,queries in pairs(self.active) do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	850 for question,o in pairs(queries) do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	851 if self.time >= o.retry then
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	852
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	853 o.server = o.server + 1;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	854 if o.server > #self.server then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	855 o.server = 1;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	856 o.delay = o.delay + 1;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	857 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	858
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	859 if o.delay > #self.delays then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	860 --print('timeout');
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	861 queries[question] = nil;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	862 if not next(queries) then self.active[id] = nil; end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	863 if not next(self.active) then return nil; end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	864 else
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	865 --print('retry', o.server, o.delay);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	866 local _a = self.socket[o.server];
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	867 if _a then _a:send(o.packet); end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	868 o.retry = self.time + self.delays[o.delay];
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	869 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	870 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	871 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	872 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	873
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	874 if next(self.active) then return true; end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	875 return nil;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	876 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	877
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	878
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	879 function resolver:lookup(qname, qtype, qclass) -- - - - - - - - - - lookup
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	880 self:query (qname, qtype, qclass)
3049 e54774bd73a7 net/dns: Fix socket.select timeout. Brian Cully <bjc@junctionnetworks.com> parents: 2742 diff changeset	881 while self:pulse() do
e54774bd73a7 net/dns: Fix socket.select timeout. Brian Cully <bjc@junctionnetworks.com> parents: 2742 diff changeset	882 local recvt = {}
e54774bd73a7 net/dns: Fix socket.select timeout. Brian Cully <bjc@junctionnetworks.com> parents: 2742 diff changeset	883 for i, s in ipairs(self.socket) do
3056 c585678b3ecb net.dns: Fix dns.lookup from commit e54774bd73a7 Matthew Wild <mwild1@gmail.com> parents: 3049 diff changeset	884 recvt[i] = s
3049 e54774bd73a7 net/dns: Fix socket.select timeout. Brian Cully <bjc@junctionnetworks.com> parents: 2742 diff changeset	885 end
e54774bd73a7 net/dns: Fix socket.select timeout. Brian Cully <bjc@junctionnetworks.com> parents: 2742 diff changeset	886 socket.select(recvt, nil, 4)
e54774bd73a7 net/dns: Fix socket.select timeout. Brian Cully <bjc@junctionnetworks.com> parents: 2742 diff changeset	887 end
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	888 --print(self.cache);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	889 return self:peek(qname, qtype, qclass);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	890 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	891
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	892 function resolver:lookupex(handler, qname, qtype, qclass) -- - - - - - - - - - lookup
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	893 return self:peek(qname, qtype, qclass) or self:query(qname, qtype, qclass);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	894 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	895
869 09019c452709 net.dns: Add methods necessary for allowing non-blocking DNS lookups Matthew Wild <mwild1@gmail.com> parents: 759 diff changeset	896
09019c452709 net.dns: Add methods necessary for allowing non-blocking DNS lookups Matthew Wild <mwild1@gmail.com> parents: 759 diff changeset	897 --print ---------------------------------------------------------------- print
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	898
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	899
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	900 local hints = { -- - - - - - - - - - - - - - - - - - - - - - - - - - - hints
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	901 qr = { [0]='query', 'response' },
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	902 opcode = { [0]='query', 'inverse query', 'server status request' },
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	903 aa = { [0]='non-authoritative', 'authoritative' },
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	904 tc = { [0]='complete', 'truncated' },
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	905 rd = { [0]='recursion not desired', 'recursion desired' },
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	906 ra = { [0]='recursion not available', 'recursion available' },
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	907 z = { [0]='(reserved)' },
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	908 rcode = { [0]='no error', 'format error', 'server failure', 'name error', 'not implemented' },
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	909
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	910 type = dns.type,
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	911 class = dns.class
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	912 };
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	913
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	914
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	915 local function hint(p, s) -- - - - - - - - - - - - - - - - - - - - - - hint
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	916 return (hints[s] and hints[s][p[s]]) or '';
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	917 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	918
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	919
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	920 function resolver.print(response) -- - - - - - - - - - - - - resolver.print
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	921 for s,s in pairs { 'id', 'qr', 'opcode', 'aa', 'tc', 'rd', 'ra', 'z',
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	922 'rcode', 'qdcount', 'ancount', 'nscount', 'arcount' } do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	923 print( string.format('%-30s', 'header.'..s), response.header[s], hint(response.header, s) );
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	924 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	925
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	926 for i,question in ipairs(response.question) do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	927 print(string.format ('question[%i].name ', i), question.name);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	928 print(string.format ('question[%i].type ', i), question.type);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	929 print(string.format ('question[%i].class ', i), question.class);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	930 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	931
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	932 local common = { name=1, type=1, class=1, ttl=1, rdlength=1, rdata=1 };
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	933 local tmp;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	934 for s,s in pairs({'answer', 'authority', 'additional'}) do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	935 for i,rr in pairs(response[s]) do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	936 for j,t in pairs({ 'name', 'type', 'class', 'ttl', 'rdlength' }) do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	937 tmp = string.format('%s[%i].%s', s, i, t);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	938 print(string.format('%-30s', tmp), rr[t], hint(rr, t));
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	939 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	940 for j,t in pairs(rr) do
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	941 if not common[j] then
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	942 tmp = string.format('%s[%i].%s', s, i, j);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	943 print(string.format('%-30s %s', tostring(tmp), tostring(t)));
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	944 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	945 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	946 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	947 end
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	948 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	949
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	950
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	951 -- module api ------------------------------------------------------ module api
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	952
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	953
4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	954 function dns.resolver () -- - - - - - - - - - - - - - - - - - - - - resolver
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	955 -- this function seems to be redundant with resolver.new ()
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	956
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	957 local r = { active = {}, cache = {}, unsorted = {}, wanted = {}, yielded = {}, best_server = 1 };
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	958 setmetatable (r, resolver);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	959 setmetatable (r.cache, cache_metatable);
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	960 setmetatable (r.unsorted, { __mode = 'kv' });
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	961 return r;
72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	962 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	963
2573 60493186fef6 net.dns: Removed some useless indirection to improve readability. Waqas Hussain <waqas20@gmail.com> parents: 2425 diff changeset	964 local _resolver = dns.resolver();
60493186fef6 net.dns: Removed some useless indirection to improve readability. Waqas Hussain <waqas20@gmail.com> parents: 2425 diff changeset	965 dns._resolver = _resolver;
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	966
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	967 function dns.lookup(...) -- - - - - - - - - - - - - - - - - - - - - lookup
2573 60493186fef6 net.dns: Removed some useless indirection to improve readability. Waqas Hussain <waqas20@gmail.com> parents: 2425 diff changeset	968 return _resolver:lookup(...);
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	969 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	970
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	971 function dns.purge(...) -- - - - - - - - - - - - - - - - - - - - - - purge
2573 60493186fef6 net.dns: Removed some useless indirection to improve readability. Waqas Hussain <waqas20@gmail.com> parents: 2425 diff changeset	972 return _resolver:purge(...);
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	973 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	974
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	975 function dns.peek(...) -- - - - - - - - - - - - - - - - - - - - - - - peek
2573 60493186fef6 net.dns: Removed some useless indirection to improve readability. Waqas Hussain <waqas20@gmail.com> parents: 2425 diff changeset	976 return _resolver:peek(...);
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	977 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	978
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	979 function dns.query(...) -- - - - - - - - - - - - - - - - - - - - - - query
2573 60493186fef6 net.dns: Removed some useless indirection to improve readability. Waqas Hussain <waqas20@gmail.com> parents: 2425 diff changeset	980 return _resolver:query(...);
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	981 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	982
2575 8f4d69940132 net.dns: Fixed whitespace/indentation. Waqas Hussain <waqas20@gmail.com> parents: 2574 diff changeset	983 function dns.feed(...) -- - - - - - - - - - - - - - - - - - - - - - - feed
2573 60493186fef6 net.dns: Removed some useless indirection to improve readability. Waqas Hussain <waqas20@gmail.com> parents: 2425 diff changeset	984 return _resolver:feed(...);
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	985 end
869 09019c452709 net.dns: Add methods necessary for allowing non-blocking DNS lookups Matthew Wild <mwild1@gmail.com> parents: 759 diff changeset	986
2575 8f4d69940132 net.dns: Fixed whitespace/indentation. Waqas Hussain <waqas20@gmail.com> parents: 2574 diff changeset	987 function dns.cancel(...) -- - - - - - - - - - - - - - - - - - - - - - cancel
2573 60493186fef6 net.dns: Removed some useless indirection to improve readability. Waqas Hussain <waqas20@gmail.com> parents: 2425 diff changeset	988 return _resolver:cancel(...);
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	989 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	990
2578 61e5eff54415 net.dns, net.adns: Changed dns:socket_wrapper_set to dns.socket_wrapper_set for consistency. Waqas Hussain <waqas20@gmail.com> parents: 2575 diff changeset	991 function dns.socket_wrapper_set(...) -- - - - - - - - - socket_wrapper_set
2573 60493186fef6 net.dns: Removed some useless indirection to improve readability. Waqas Hussain <waqas20@gmail.com> parents: 2425 diff changeset	992 return _resolver:socket_wrapper_set(...);
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	993 end
337 4a1dd1c2c219 We have SRV resolving \o/ Matthew Wild <mwild1@gmail.com> parents: diff changeset	994
2069 72357b1c6d88 net.dns: Fixed indentation and coding style. Waqas Hussain <waqas20@gmail.com> parents: 2068 diff changeset	995 return dns;

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b3117a1da834

net/dns.lua

Software / code / prosody

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net/dns.lua @ 3325:b3117a1da834

Software `/` code `/` prosody