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Prashanth Balasubramanian 2016-02-21 16:13:08 -08:00
parent 34b949c134
commit 3da4e74e5a
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1
controllers/nginx-third-party/lua/vendor/lua-resty-dns/.gitattributes vendored Normal file
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*.t linguist-language=Text

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controllers/nginx-third-party/lua/vendor/lua-resty-dns/.gitignore vendored Normal file
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*.swp
*.swo
*~
go
t/servroot/
reindex
nginx
ctags
tags
a.lua

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controllers/nginx-third-party/lua/vendor/lua-resty-dns/Makefile vendored Normal file
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OPENRESTY_PREFIX=/usr/local/openresty
PREFIX ?= /usr/local
LUA_INCLUDE_DIR ?= $(PREFIX)/include
LUA_LIB_DIR ?= $(PREFIX)/lib/lua/$(LUA_VERSION)
INSTALL ?= install
.PHONY: all test install
all: ;
install: all
$(INSTALL) -d $(DESTDIR)/$(LUA_LIB_DIR)/resty/dns
$(INSTALL) lib/resty/dns/*.lua $(DESTDIR)/$(LUA_LIB_DIR)/resty/dns/
test: all
PATH=$(OPENRESTY_PREFIX)/nginx/sbin:$$PATH prove -I../test-nginx/lib -r t

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controllers/nginx-third-party/lua/vendor/lua-resty-dns/README.markdown vendored Normal file
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Name
====
lua-resty-dns - Lua DNS resolver for the ngx_lua based on the cosocket API
Table of Contents
=================
* [Name](#name)
* [Status](#status)
* [Description](#description)
* [Synopsis](#synopsis)
* [Methods](#methods)
* [new](#new)
* [query](#query)
* [tcp_query](#tcp_query)
* [set_timeout](#set_timeout)
* [compress_ipv6_addr](#compress_ipv6_addr)
* [Constants](#constants)
* [TYPE_A](#type_a)
* [TYPE_NS](#type_ns)
* [TYPE_CNAME](#type_cname)
* [TYPE_PTR](#type_ptr)
* [TYPE_MX](#type_mx)
* [TYPE_TXT](#type_txt)
* [TYPE_AAAA](#type_aaaa)
* [TYPE_SRV](#type_srv)
* [TYPE_SPF](#type_spf)
* [CLASS_IN](#class_in)
* [Automatic Error Logging](#automatic-error-logging)
* [Limitations](#limitations)
* [TODO](#todo)
* [Author](#author)
* [Copyright and License](#copyright-and-license)
* [See Also](#see-also)
Status
======
This library is considered production ready.
Description
===========
This Lua library provies a DNS resolver for the ngx_lua nginx module:
http://wiki.nginx.org/HttpLuaModule
This Lua library takes advantage of ngx_lua's cosocket API, which ensures
100% nonblocking behavior.
Note that at least [ngx_lua 0.5.12](https://github.com/chaoslawful/lua-nginx-module/tags) or [ngx_openresty 1.2.1.11](http://openresty.org/#Download) is required.
Also, the [bit library](http://bitop.luajit.org/) is also required. If you're using LuaJIT 2.0 with ngx_lua, then the `bit` library is already available by default.
Note that, this library is bundled and enabled by default in the [ngx_openresty bundle](http://openresty.org/).
Synopsis
========
```lua
lua_package_path "/path/to/lua-resty-dns/lib/?.lua;;";
server {
location = /dns {
content_by_lua '
local resolver = require "resty.dns.resolver"
local r, err = resolver:new{
nameservers = {"8.8.8.8", {"8.8.4.4", 53} },
retrans = 5, -- 5 retransmissions on receive timeout
timeout = 2000, -- 2 sec
}
if not r then
ngx.say("failed to instantiate the resolver: ", err)
return
end
local answers, err = r:query("www.google.com")
if not answers then
ngx.say("failed to query the DNS server: ", err)
return
end
if answers.errcode then
ngx.say("server returned error code: ", answers.errcode,
": ", answers.errstr)
end
for i, ans in ipairs(answers) do
ngx.say(ans.name, " ", ans.address or ans.cname,
" type:", ans.type, " class:", ans.class,
" ttl:", ans.ttl)
end
';
}
}
```
[Back to TOC](#table-of-contents)
Methods
=======
[Back to TOC](#table-of-contents)
new
---
`syntax: r, err = class:new(opts)`
Creates a dns.resolver object. Returns `nil` and an message string on error.
It accepts a `opts` table argument. The following options are supported:
* `nameservers`
a list of nameservers to be used. Each nameserver entry can be either a single hostname string or a table holding both the hostname string and the port number. The nameserver is picked up by a simple round-robin algorithm for each `query` method call. This option is required.
* `retrans`
the total number of times of retransmitting the DNS request when receiving a DNS response times out according to the `timeout` setting. Default to `5` times. When trying to retransmit the query, the next nameserver according to the round-robin algorithm will be picked up.
* `timeout`
the time in milliseconds for waiting for the respond for a single attempt of request transmition. note that this is ''not'' the maximal total waiting time before giving up, the maximal total waiting time can be calculated by the expression `timeout x retrans`. The `timeout` setting can also be changed by calling the `set_timeout` method. The default `timeout` setting is 2000 milliseconds, or 2 seconds.
* `no_recurse`
a boolean flag controls whether to disable the "recursion desired" (RD) flag in the UDP request. Default to `false`.
[Back to TOC](#table-of-contents)
query
-----
`syntax: answers, err = r:query(name, options?)`
Performs a DNS standard query to the nameservers specified by the `new` method,
and returns all the answer records in an array-like Lua table. In case of errors, it will
return `nil` and a string describing the error instead.
If the server returns a non-zero error code, the fields `errcode` and `errstr` will be set accordingly in the Lua table returned.
Each entry in the `answers` returned table value is also a hash-like Lua table
which usually takes some of the following fields:
* `name`
The resource record name.
* `type`
The current resource record type, possible values are `1` (`TYPE_A`), `5` (`TYPE_CNAME`), `28` (`TYPE_AAAA`), and any other values allowed by RFC 1035.
* `address`
The IPv4 or IPv6 address in their textual representations when the resource record type is either `1` (`TYPE_A`) or `28` (`TYPE_AAAA`), respectively. Secussesive 16-bit zero groups in IPv6 addresses will not be compressed by default, if you want that, you need to call the `compress_ipv6_addr` static method instead.
* `cname`
The (decoded) record data value for `CNAME` resource records. Only present for `CNAME` records.
* `ttl`
The time-to-live (TTL) value in seconds for the current resource record.
* `class`
The current resource record class, possible values are `1` (`CLASS_IN`) or any other values allowed by RFC 1035.
* `preference`
The preference integer number for `MX` resource records. Only present for `MX` type records.
* `exchange`
The exchange domain name for `MX` resource records. Only present for `MX` type records.
* `nsdname`
A domain-name which specifies a host which should be authoritative for the specified class and domain. Usually present for `NS` type records.
* `rdata`
The raw resource data (RDATA) for resource records that are not recognized.
* `txt`
The record value for `TXT` records. When there is only one character string in this record, then this field takes a single Lua string. Otherwise this field takes a Lua table holding all the strings.
* `ptrdname`
The record value for `PTR` records.
This method also takes an optional `options` argument table, which takes the following fields:
* `qtype`
The type of the question. Possible values are `1` (`TYPE_A`), `5` (`TYPE_CNAME`), `28` (`TYPE_AAAA`), or any other QTYPE value specified by RFC 1035 and RFC 3596. Default to `1` (`TYPE_A`).
When data truncation happens, the resolver will automatically retry using the TCP transport mode
to query the current nameserver. All TCP connections are short lived.
[Back to TOC](#table-of-contents)
tcp_query
---------
`syntax: answers, err = r:tcp_query(name, options?)`
Just like the `query` method, but enforce the TCP transport mode instead of UDP.
All TCP connections are short lived.
Here is an example:
```lua
local resolver = require "resty.dns.resolver"
local r, err = resolver:new{
nameservers = { "8.8.8.8" }
}
if not r then
ngx.say("failed to instantiate resolver: ", err)
return
end
local ans, err = r:tcp_query("www.google.com", { qtype = r.TYPE_A })
if not ans then
ngx.say("failed to query: ", err)
return
end
local cjson = require "cjson"
ngx.say("records: ", cjson.encode(ans))
```
[Back to TOC](#table-of-contents)
set_timeout
-----------
`syntax: r:set_timeout(time)`
Overrides the current `timeout` setting by the `time` argument in milliseconds for all the nameserver peers.
[Back to TOC](#table-of-contents)
compress_ipv6_addr
------------------
`syntax: compressed = resty.dns.resolver.compress_ipv6_addr(address)`
Compresses the successive 16-bit zero groups in the textual format of the IPv6 address.
For example,
```lua
local resolver = require "resty.dns.resolver"
local compress = resolver.compress_ipv6_addr
local new_addr = compress("FF01:0:0:0:0:0:0:101")
```
will yield `FF01::101` in the `new_addr` return value.
[Back to TOC](#table-of-contents)
Constants
=========
[Back to TOC](#table-of-contents)
TYPE_A
------
The `A` resource record type, equal to the decimal number `1`.
[Back to TOC](#table-of-contents)
TYPE_NS
-------
The `NS` resource record type, equal to the decimal number `2`.
[Back to TOC](#table-of-contents)
TYPE_CNAME
----------
The `CNAME` resource record type, equal to the decimal number `5`.
[Back to TOC](#table-of-contents)
TYPE_PTR
--------
The `PTR` resource record type, equal to the decimal number `12`.
[Back to TOC](#table-of-contents)
TYPE_MX
-------
The `MX` resource record type, equal to the decimal number `15`.
[Back to TOC](#table-of-contents)
TYPE_TXT
--------
The `TXT` resource record type, equal to the decimal number `16`.
[Back to TOC](#table-of-contents)
TYPE_AAAA
---------
`syntax: typ = r.TYPE_AAAA`
The `AAAA` resource record type, equal to the decimal number `28`.
[Back to TOC](#table-of-contents)
TYPE_SRV
---------
`syntax: typ = r.TYPE_SRV`
The `SRV` resource record type, equal to the decimal number `33`.
See RFC 2782 for details.
[Back to TOC](#table-of-contents)
TYPE_SPF
---------
`syntax: typ = r.TYPE_SPF`
The `SPF` resource record type, equal to the decimal number `99`.
See RFC 4408 for details.
[Back to TOC](#table-of-contents)
CLASS_IN
--------
`syntax: class = r.CLASS_IN`
The `Internet` resource record type, equal to the decimal number `1`.
[Back to TOC](#table-of-contents)
Automatic Error Logging
=======================
By default the underlying [ngx_lua](http://wiki.nginx.org/HttpLuaModule) module
does error logging when socket errors happen. If you are already doing proper error
handling in your own Lua code, then you are recommended to disable this automatic error logging by turning off [ngx_lua](http://wiki.nginx.org/HttpLuaModule)'s [lua_socket_log_errors](http://wiki.nginx.org/HttpLuaModule#lua_socket_log_errors) directive, that is,
```nginx
lua_socket_log_errors off;
```
[Back to TOC](#table-of-contents)
Limitations
===========
* This library cannot be used in code contexts like set_by_lua*, log_by_lua*, and
header_filter_by_lua* where the ngx_lua cosocket API is not available.
* The `resty.dns.resolver` object instance cannot be stored in a Lua variable at the Lua module level,
because it will then be shared by all the concurrent requests handled by the same nginx
worker process (see
http://wiki.nginx.org/HttpLuaModule#Data_Sharing_within_an_Nginx_Worker ) and
result in bad race conditions when concurrent requests are trying to use the same `resty.dns.resolver` instance.
You should always initiate `resty.dns.resolver` objects in function local
variables or in the `ngx.ctx` table. These places all have their own data copies for
each request.
[Back to TOC](#table-of-contents)
TODO
====
* Concurrent (or parallel) query mode
* Better support for other resource record types like `TLSA`.
[Back to TOC](#table-of-contents)
Author
======
Yichun "agentzh" Zhang (章亦春) <agentzh@gmail.com>, CloudFlare Inc.
[Back to TOC](#table-of-contents)
Copyright and License
=====================
This module is licensed under the BSD license.
Copyright (C) 2012-2014, by Yichun "agentzh" Zhang (章亦春) <agentzh@gmail.com>, CloudFlare Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
* Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
[Back to TOC](#table-of-contents)
See Also
========
* the ngx_lua module: http://wiki.nginx.org/HttpLuaModule
* the [lua-resty-memcached](https://github.com/agentzh/lua-resty-memcached) library.
* the [lua-resty-redis](https://github.com/agentzh/lua-resty-redis) library.
* the [lua-resty-mysql](https://github.com/agentzh/lua-resty-mysql) library.
[Back to TOC](#table-of-contents)

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controllers/nginx-third-party/lua/vendor/lua-resty-dns/lib/resty/dns/resolver.lua vendored Normal file
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-- Copyright (C) Yichun Zhang (agentzh)
-- local socket = require "socket"
local bit = require "bit"
local udp = ngx.socket.udp
local rand = math.random
local char = string.char
local byte = string.byte
local find = string.find
local gsub = string.gsub
local sub = string.sub
local format = string.format
local band = bit.band
local rshift = bit.rshift
local lshift = bit.lshift
local insert = table.insert
local concat = table.concat
local re_sub = ngx.re.sub
local tcp = ngx.socket.tcp
local log = ngx.log
local DEBUG = ngx.DEBUG
local randomseed = math.randomseed
local ngx_time = ngx.time
local setmetatable = setmetatable
local type = type
local DOT_CHAR = byte(".")
local TYPE_A = 1
local TYPE_NS = 2
local TYPE_CNAME = 5
local TYPE_PTR = 12
local TYPE_MX = 15
local TYPE_TXT = 16
local TYPE_AAAA = 28
local TYPE_SRV = 33
local TYPE_SPF = 99
local CLASS_IN = 1
local _M = {
_VERSION = '0.14',
TYPE_A = TYPE_A,
TYPE_NS = TYPE_NS,
TYPE_CNAME = TYPE_CNAME,
TYPE_PTR = TYPE_PTR,
TYPE_MX = TYPE_MX,
TYPE_TXT = TYPE_TXT,
TYPE_AAAA = TYPE_AAAA,
TYPE_SRV = TYPE_SRV,
TYPE_SPF = TYPE_SPF,
CLASS_IN = CLASS_IN,
}
local resolver_errstrs = {
"format error", -- 1
"server failure", -- 2
"name error", -- 3
"not implemented", -- 4
"refused", -- 5
}
local mt = { __index = _M }
function _M.new(class, opts)
if not opts then
return nil, "no options table specified"
end
local servers = opts.nameservers
if not servers or #servers == 0 then
return nil, "no nameservers specified"
end
local timeout = opts.timeout or 2000 -- default 2 sec
local n = #servers
local socks = {}
for i = 1, n do
local server = servers[i]
local sock, err = udp()
if not sock then
return nil, "failed to create udp socket: " .. err
end
local host, port
if type(server) == 'table' then
host = server[1]
port = server[2] or 53
else
host = server
port = 53
servers[i] = {host, port}
end
local ok, err = sock:setpeername(host, port)
if not ok then
return nil, "failed to set peer name: " .. err
end
sock:settimeout(timeout)
insert(socks, sock)
end
local tcp_sock, err = tcp()
if not tcp_sock then
return nil, "failed to create tcp socket: " .. err
end
tcp_sock:settimeout(timeout)
return setmetatable(
{ cur = rand(1, n), socks = socks,
tcp_sock = tcp_sock,
servers = servers,
retrans = opts.retrans or 5,
no_recurse = opts.no_recurse,
}, mt)
end
local function pick_sock(self, socks)
local cur = self.cur
if cur == #socks then
self.cur = 1
else
self.cur = cur + 1
end
return socks[cur]
end
local function _get_cur_server(self)
local cur = self.cur
local servers = self.servers
if cur == 1 then
return servers[#servers]
end
return servers[cur - 1]
end
function _M.set_timeout(self, timeout)
local socks = self.socks
if not socks then
return nil, "not initialized"
end
for i = 1, #socks do
local sock = socks[i]
sock:settimeout(timeout)
end
local tcp_sock = self.tcp_sock
if not tcp_sock then
return nil, "not initialized"
end
tcp_sock:settimeout(timeout)
end
local function _encode_name(s)
return char(#s) .. s
end
local function _decode_name(buf, pos)
local labels = {}
local nptrs = 0
local p = pos
while nptrs < 128 do
local fst = byte(buf, p)
if not fst then
return nil, 'truncated';
end
-- print("fst at ", p, ": ", fst)
if fst == 0 then
if nptrs == 0 then
pos = pos + 1
end
break
end
if band(fst, 0xc0) ~= 0 then
-- being a pointer
if nptrs == 0 then
pos = pos + 2
end
nptrs = nptrs + 1
local snd = byte(buf, p + 1)
if not snd then
return nil, 'truncated'
end
p = lshift(band(fst, 0x3f), 8) + snd + 1
-- print("resolving ptr ", p, ": ", byte(buf, p))
else
-- being a label
local label = sub(buf, p + 1, p + fst)
insert(labels, label)
-- print("resolved label ", label)
p = p + fst + 1
if nptrs == 0 then
pos = p
end
end
end
return concat(labels, "."), pos
end
local function _build_request(qname, id, no_recurse, opts)
local qtype
if opts then
qtype = opts.qtype
end
if not qtype then
qtype = 1 -- A record
end
local ident_hi = char(rshift(id, 8))
local ident_lo = char(band(id, 0xff))
local flags
if no_recurse then
-- print("found no recurse")
flags = "\0\0"
else
flags = "\1\0"
end
local nqs = "\0\1"
local nan = "\0\0"
local nns = "\0\0"
local nar = "\0\0"
local typ = "\0" .. char(qtype)
local class = "\0\1" -- the Internet class
if byte(qname, 1) == DOT_CHAR then
return nil, "bad name"
end
local name = gsub(qname, "([^.]+)%.?", _encode_name) .. '\0'
return {
ident_hi, ident_lo, flags, nqs, nan, nns, nar,
name, typ, class
}
end
local function parse_response(buf, id)
local n = #buf
if n < 12 then
return nil, 'truncated';
end
-- header layout: ident flags nqs nan nns nar
local ident_hi = byte(buf, 1)
local ident_lo = byte(buf, 2)
local ans_id = lshift(ident_hi, 8) + ident_lo
-- print("id: ", id, ", ans id: ", ans_id)
if ans_id ~= id then
-- identifier mismatch and throw it away
log(DEBUG, "id mismatch in the DNS reply: ", ans_id, " ~= ", id)
return nil, "id mismatch"
end
local flags_hi = byte(buf, 3)
local flags_lo = byte(buf, 4)
local flags = lshift(flags_hi, 8) + flags_lo
-- print(format("flags: 0x%x", flags))
if band(flags, 0x8000) == 0 then
return nil, format("bad QR flag in the DNS response")
end
if band(flags, 0x200) ~= 0 then
return nil, "truncated"
end
local code = band(flags, 0x7f)
-- print(format("code: %d", code))
local nqs_hi = byte(buf, 5)
local nqs_lo = byte(buf, 6)
local nqs = lshift(nqs_hi, 8) + nqs_lo
-- print("nqs: ", nqs)
if nqs ~= 1 then
return nil, format("bad number of questions in DNS response: %d", nqs)
end
local nan_hi = byte(buf, 7)
local nan_lo = byte(buf, 8)
local nan = lshift(nan_hi, 8) + nan_lo
-- print("nan: ", nan)
-- skip the question part
local ans_qname, pos = _decode_name(buf, 13)
if not ans_qname then
return nil, pos
end
-- print("qname in reply: ", ans_qname)
-- print("question: ", sub(buf, 13, pos))
if pos + 3 + nan * 12 > n then
-- print(format("%d > %d", pos + 3 + nan * 12, n))
return nil, 'truncated';
end
-- question section layout: qname qtype(2) qclass(2)
local type_hi = byte(buf, pos)
local type_lo = byte(buf, pos + 1)
local ans_type = lshift(type_hi, 8) + type_lo
-- print("ans qtype: ", ans_type)
local class_hi = byte(buf, pos + 2)
local class_lo = byte(buf, pos + 3)
local qclass = lshift(class_hi, 8) + class_lo
-- print("ans qclass: ", qclass)
if qclass ~= 1 then
return nil, format("unknown query class %d in DNS response", qclass)
end
pos = pos + 4
local answers = {}
if code ~= 0 then
answers.errcode = code
answers.errstr = resolver_errstrs[code] or "unknown"
end
for i = 1, nan do
-- print(format("ans %d: qtype:%d qclass:%d", i, qtype, qclass))
local ans = {}
insert(answers, ans)
local name
name, pos = _decode_name(buf, pos)
if not name then
return nil, pos
end
ans.name = name
-- print("name: ", name)
type_hi = byte(buf, pos)
type_lo = byte(buf, pos + 1)
local typ = lshift(type_hi, 8) + type_lo
ans.type = typ
-- print("type: ", typ)
class_hi = byte(buf, pos + 2)
class_lo = byte(buf, pos + 3)
local class = lshift(class_hi, 8) + class_lo
ans.class = class
-- print("class: ", class)
local ttl_bytes = { byte(buf, pos + 4, pos + 7) }
-- print("ttl bytes: ", concat(ttl_bytes, " "))
local ttl = lshift(ttl_bytes[1], 24) + lshift(ttl_bytes[2], 16)
+ lshift(ttl_bytes[3], 8) + ttl_bytes[4]
-- print("ttl: ", ttl)
ans.ttl = ttl
local len_hi = byte(buf, pos + 8)
local len_lo = byte(buf, pos + 9)
local len = lshift(len_hi, 8) + len_lo
-- print("record len: ", len)
pos = pos + 10
if typ == TYPE_A then
if len ~= 4 then
return nil, "bad A record value length: " .. len
end
local addr_bytes = { byte(buf, pos, pos + 3) }
local addr = concat(addr_bytes, ".")
-- print("ipv4 address: ", addr)
ans.address = addr
pos = pos + 4
elseif typ == TYPE_CNAME then
local cname, p = _decode_name(buf, pos)
if not cname then
return nil, pos
end
if p - pos ~= len then
return nil, format("bad cname record length: %d ~= %d",
p - pos, len)
end
pos = p
-- print("cname: ", cname)
ans.cname = cname
elseif typ == TYPE_AAAA then
if len ~= 16 then
return nil, "bad AAAA record value length: " .. len
end
local addr_bytes = { byte(buf, pos, pos + 15) }
local flds = {}
local comp_begin, comp_end
for i = 1, 16, 2 do
local a = addr_bytes[i]
local b = addr_bytes[i + 1]
if a == 0 then
insert(flds, format("%x", b))
else
insert(flds, format("%x%02x", a, b))
end
end
-- we do not compress the IPv6 addresses by default
-- due to performance considerations
ans.address = concat(flds, ":")
pos = pos + 16
elseif typ == TYPE_MX then
-- print("len = ", len)
if len < 3 then
return nil, "bad MX record value length: " .. len
end
local pref_hi = byte(buf, pos)
local pref_lo = byte(buf, pos + 1)
ans.preference = lshift(pref_hi, 8) + pref_lo
local host, p = _decode_name(buf, pos + 2)
if not host then
return nil, pos
end
if p - pos ~= len then
return nil, format("bad cname record length: %d ~= %d",
p - pos, len)
end
ans.exchange = host
pos = p
elseif typ == TYPE_SRV then
if len < 7 then
return nil, "bad SRV record value length: " .. len
end
local prio_hi = byte(buf, pos)
local prio_lo = byte(buf, pos + 1)
ans.priority = lshift(prio_hi, 8) + prio_lo
local weight_hi = byte(buf, pos + 2)
local weight_lo = byte(buf, pos + 3)
ans.weight = lshift(weight_hi, 8) + weight_lo
local port_hi = byte(buf, pos + 4)
local port_lo = byte(buf, pos + 5)
ans.port = lshift(port_hi, 8) + port_lo
local name, p = _decode_name(buf, pos + 6)
if not name then
return nil, pos
end
if p - pos ~= len then
return nil, format("bad srv record length: %d ~= %d",
p - pos, len)
end
ans.target = name
pos = p
elseif typ == TYPE_NS then
local name, p = _decode_name(buf, pos)
if not name then
return nil, pos
end
if p - pos ~= len then
return nil, format("bad cname record length: %d ~= %d",
p - pos, len)
end
pos = p
-- print("name: ", name)
ans.nsdname = name
elseif typ == TYPE_TXT or typ == TYPE_SPF then
local key = (typ == TYPE_TXT) and "txt" or "spf"
local slen = byte(buf, pos)
if slen + 1 > len then
-- truncate the over-run TXT record data
slen = len
end
-- print("slen: ", len)
local val = sub(buf, pos + 1, pos + slen)
local last = pos + len
pos = pos + slen + 1
if pos < last then
-- more strings to be processed
-- this code path is usually cold, so we do not
-- merge the following loop on this code path
-- with the processing logic above.
val = {val}
local idx = 2
repeat
local slen = byte(buf, pos)
if pos + slen + 1 > last then
-- truncate the over-run TXT record data
slen = last - pos - 1
end
val[idx] = sub(buf, pos + 1, pos + slen)
idx = idx + 1
pos = pos + slen + 1
until pos >= last
end
ans[key] = val
elseif typ == TYPE_PTR then
local name, p = _decode_name(buf, pos)
if not name then
return nil, pos
end
if p - pos ~= len then
return nil, format("bad cname record length: %d ~= %d",
p - pos, len)
end
pos = p
-- print("name: ", name)
ans.ptrdname = name
else
-- for unknown types, just forward the raw value
ans.rdata = sub(buf, pos, pos + len - 1)
pos = pos + len
end
end
return answers
end
local function _gen_id(self)
local id = self._id -- for regression testing
if id then
return id
end
return rand(0, 65535) -- two bytes
end
local function _tcp_query(self, query, id)
local sock = self.tcp_sock
if not sock then
return nil, "not initialized"
end
log(DEBUG, "query the TCP server due to reply truncation")
local server = _get_cur_server(self)
local ok, err = sock:connect(server[1], server[2])
if not ok then
return nil, "failed to connect to TCP server "
.. concat(server, ":") .. ": " .. err
end
query = concat(query, "")
local len = #query
local len_hi = char(rshift(len, 8))
local len_lo = char(band(len, 0xff))
local bytes, err = sock:send({len_hi, len_lo, query})
if not bytes then
return nil, "failed to send query to TCP server "
.. concat(server, ":") .. ": " .. err
end
local buf, err = sock:receive(2)
if not buf then
return nil, "failed to receive the reply length field from TCP server "
.. concat(server, ":") .. ": " .. err
end
local len_hi = byte(buf, 1)
local len_lo = byte(buf, 2)
local len = lshift(len_hi, 8) + len_lo
-- print("tcp message len: ", len)
buf, err = sock:receive(len)
if not buf then
return nil, "failed to receive the reply message body from TCP server "
.. concat(server, ":") .. ": " .. err
end
local answers, err = parse_response(buf, id)
if not answers then
return nil, "failed to parse the reply from the TCP server "
.. concat(server, ":") .. ": " .. err
end
sock:close()
return answers
end
function _M.tcp_query(self, qname, opts)
local socks = self.socks
if not socks then
return nil, "not initialized"
end
pick_sock(self, socks)
local id = _gen_id(self)
local query, err = _build_request(qname, id, self.no_recurse, opts)
if not query then
return nil, err
end
return _tcp_query(self, query, id)
end
function _M.query(self, qname, opts)
local socks = self.socks
if not socks then
return nil, "not initialized"
end
local id = _gen_id(self)
local query, err = _build_request(qname, id, self.no_recurse, opts)
if not query then
return nil, err
end
-- local cjson = require "cjson"
-- print("query: ", cjson.encode(concat(query, "")))
local retrans = self.retrans
-- print("retrans: ", retrans)
for i = 1, retrans do
local sock = pick_sock(self, socks)
local ok, err = sock:send(query)
if not ok then
local server = _get_cur_server(self)
return nil, "failed to send request to UDP server "
.. concat(server, ":") .. ": " .. err
end
local buf, err
for j = 1, 128 do
buf, err = sock:receive(4096)
if err then
break
end
if buf then
local answers
answers, err = parse_response(buf, id)
if not answers then
if err == "truncated" then
return _tcp_query(self, query, id)
end
if err ~= "id mismatch" then
return nil, err
end
-- retry receiving when err == "id mismatch"
else
return answers
end
end
end
if err ~= "timeout" or i == retrans then
local server = _get_cur_server(self)
return nil, "failed to receive reply from UDP server "
.. concat(server, ":") .. ": " .. err
end
end
-- impossible to reach here
end
function _M.compress_ipv6_addr(addr)
local addr = re_sub(addr, "^(0:)+|(:0)+$|:(0:)+", "::", "jo")
if addr == "::0" then
addr = "::"
end
return addr
end
randomseed(ngx_time())
return _M

271
controllers/nginx-third-party/lua/vendor/lua-resty-dns/t/TestDNS.pm vendored Normal file
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package TestDNS;
use strict;
use warnings;
use 5.010001;
use Test::Nginx::Socket::Lua -Base;
#use JSON::XS;
use constant {
TYPE_A => 1,
TYPE_TXT => 16,
TYPE_CNAME => 5,
TYPE_AAAA => 28,
CLASS_INTERNET => 1,
};
sub encode_name ($);
sub encode_ipv4 ($);
sub encode_ipv6 ($);
sub gen_dns_reply ($$);
sub Test::Base::Filter::dns {
my ($self, $code) = @_;
my $args = $self->current_arguments;
#warn "args: $args";
if (defined $args && $args ne 'tcp' && $args ne 'udp') {
die "Invalid argument to the \"dns\" filter: $args\n";
}
my $mode = $args // 'udp';
my $block = $self->current_block;
my $pointer_spec = $block->dns_pointers;
my @pointers;
if (defined $pointer_spec) {
my @loops = split /\s*,\s*/, $pointer_spec;
for my $loop (@loops) {
my @nodes = split /\s*=>\s*/, $loop;
my $prev;
for my $n (@nodes) {
if ($n !~ /^\d+$/ || $n == 0) {
die "bad name ID in the --- dns_pointers: $n\n";
}
if (!defined $prev) {
$prev = $n;
next;
}
$pointers[$prev] = $n;
}
}
}
my $input = eval $code;
if ($@) {
die "failed to evaluate code $code: $@\n";
}
if (!ref $input) {
return $input;
}
if (ref $input eq 'ARRAY') {
my @replies;
for my $t (@$input) {
push @replies, gen_dns_reply($t, $mode);
}
return \@replies;
}
if (ref $input eq 'HASH') {
return gen_dns_reply($input, $mode);
}
return $input;
}
sub gen_dns_reply ($$) {
my ($t, $mode) = @_;
my @raw_names;
push @raw_names, \($t->{qname});
my $answers = $t->{answer} // [];
if (!ref $answers) {
$answers = [$answers];
}
for my $ans (@$answers) {
push @raw_names, \($ans->{name});
if (defined $ans->{cname}) {
push @raw_names, \($ans->{cname});
}
}
for my $rname (@raw_names) {
$$rname = encode_name($$rname // "");
}
my $qname = $t->{qname};
my $s = '';
my $id = $t->{id} // 0;
$s .= pack("n", $id);
#warn "id: ", length($s), " ", encode_json([$s]);
my $qr = $t->{qr} // 1;
my $opcode = $t->{opcode} // 0;
my $aa = $t->{aa} // 0;
my $tc = $t->{tc} // 0;
my $rd = $t->{rd} // 1;
my $ra = $t->{ra} // 1;
my $rcode = $t->{rcode} // 0;
my $flags = ($qr << 15) + ($opcode << 11) + ($aa << 10) + ($tc << 9) + ($rd << 8) + ($ra << 7) + $rcode;
#warn sprintf("flags: %b", $flags);
$flags = pack("n", $flags);
$s .= $flags;
#warn "flags: ", length($flags), " ", encode_json([$flags]);
my $qdcount = $t->{qdcount} // 1;
my $ancount = $t->{ancount} // scalar @$answers;
my $nscount = 0;
my $arcount = 0;
$s .= pack("nnnn", $qdcount, $ancount, $nscount, $arcount);
#warn "qname: ", length($qname), " ", encode_json([$qname]);
$s .= $qname;
my $qs_type = $t->{qtype} // TYPE_A;
my $qs_class = $t->{qclass} // CLASS_INTERNET;
$s .= pack("nn", $qs_type, $qs_class);
for my $ans (@$answers) {
my $name = $ans->{name};
my $type = $ans->{type};
my $class = $ans->{class};
my $ttl = $ans->{ttl};
my $rdlength = $ans->{rdlength};
my $rddata = $ans->{rddata};
my $ipv4 = $ans->{ipv4};
if (defined $ipv4) {
my ($data, $len) = encode_ipv4($ipv4);
$rddata //= $data;
$rdlength //= $len;
$type //= TYPE_A;
$class //= CLASS_INTERNET;
}
my $ipv6 = $ans->{ipv6};
if (defined $ipv6) {
my ($data, $len) = encode_ipv6($ipv6);
$rddata //= $data;
$rdlength //= $len;
$type //= TYPE_AAAA;
$class //= CLASS_INTERNET;
}
my $cname = $ans->{cname};
if (defined $cname) {
$rddata //= $cname;
$rdlength //= length $rddata;
$type //= TYPE_CNAME;
$class //= CLASS_INTERNET;
}
my $txt = $ans->{txt};
if (defined $txt) {
$rddata //= $txt;
$rdlength //= length $rddata;
$type //= TYPE_TXT;
$class //= CLASS_INTERNET;
}
$type //= 0;
$class //= 0;
$ttl //= 0;
#warn "rdlength: $rdlength, rddata: ", encode_json([$rddata]), "\n";
$s .= $name . pack("nnNn", $type, $class, $ttl, $rdlength) . $rddata;
}
if ($mode eq 'tcp') {
return pack("n", length($s)) . $s;
}
return $s;
}
sub encode_ipv4 ($) {
my $txt = shift;
my @bytes = split /\./, $txt;
return pack("CCCC", @bytes), 4;
}
sub encode_ipv6 ($) {
my $txt = shift;
my @groups = split /:/, $txt;
my $nils = 0;
my $nonnils = 0;
for my $g (@groups) {
if ($g eq '') {
$nils++;
} else {
$nonnils++;
$g = hex($g);
}
}
my $total = $nils + $nonnils;
if ($total > 8 ) {
die "Invalid IPv6 address: too many groups: $total: $txt";
}
if ($nils) {
my $found = 0;
my @new_groups;
for my $g (@groups) {
if ($g eq '') {
if ($found) {
next;
}
for (1 .. 8 - $nonnils) {
push @new_groups, 0;
}
$found = 1;
} else {
push @new_groups, $g;
}
}
@groups = @new_groups;
}
if (@groups != 8) {
die "Invalid IPv6 address: $txt: @groups\n";
}
#warn "IPv6 groups: @groups";
return pack("nnnnnnnn", @groups), 16;
}
sub encode_name ($) {
my $name = shift;
$name =~ s/([^.]+)\.?/chr(length($1)) . $1/ge;
$name .= "\0";
return $name;
}
1

89
controllers/nginx-third-party/lua/vendor/lua-resty-dns/t/lib/ljson.lua vendored Normal file
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local ngx_null = ngx.null
local tostring = tostring
local byte = string.byte
local gsub = string.gsub
local sort = table.sort
local pairs = pairs
local ipairs = ipairs
local concat = table.concat
local ok, new_tab = pcall(require, "table.new")
if not ok then
new_tab = function (narr, nrec) return {} end
end
local _M = {}
local metachars = {
['\t'] = '\\t',
["\\"] = "\\\\",
['"'] = '\\"',
['\r'] = '\\r',
['\n'] = '\\n',
}
local function encode_str(s)
-- XXX we will rewrite this when string.buffer is implemented
-- in LuaJIT 2.1 because string.gsub cannot be JIT compiled.
return gsub(s, '["\\\r\n\t]', metachars)
end
local function is_arr(t)
local exp = 1
for k, _ in pairs(t) do
if k ~= exp then
return nil
end
exp = exp + 1
end
return exp - 1
end
local encode
encode = function (v)
if v == nil or v == ngx_null then
return "null"
end
local typ = type(v)
if typ == 'string' then
return '"' .. encode_str(v) .. '"'
end
if typ == 'number' or typ == 'boolean' then
return tostring(v)
end
if typ == 'table' then
local n = is_arr(v)
if n then
local bits = new_tab(n, 0)
for i, elem in ipairs(v) do
bits[i] = encode(elem)
end
return "[" .. concat(bits, ",") .. "]"
end
local keys = {}
local i = 0
for key, _ in pairs(v) do
i = i + 1
keys[i] = key
end
sort(keys)
local bits = new_tab(0, i)
i = 0
for _, key in ipairs(keys) do
i = i + 1
bits[i] = encode(key) .. ":" .. encode(v[key])
end
return "{" .. concat(bits, ",") .. "}"
end
return '"<' .. typ .. '>"'
end
_M.encode = encode
return _M

1423
controllers/nginx-third-party/lua/vendor/lua-resty-dns/t/mock.t vendored Normal file
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502
controllers/nginx-third-party/lua/vendor/lua-resty-dns/t/sanity.t vendored Normal file
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# vim:set ft= ts=4 sw=4 et:
use Test::Nginx::Socket::Lua;
use Cwd qw(cwd);
repeat_each(2);
plan tests => repeat_each() * (3 * blocks());
my $pwd = cwd();
our $HttpConfig = qq{
lua_package_path "$pwd/t/lib/?.lua;$pwd/lib/?.lua;;";
lua_package_cpath "/usr/local/openresty-debug/lualib/?.so;/usr/local/openresty/lualib/?.so;;";
};
$ENV{TEST_NGINX_RESOLVER} ||= '8.8.8.8';
no_long_string();
run_tests();
__DATA__
=== TEST 1: A records
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua '
local resolver = require "resty.dns.resolver"
local r, err = resolver:new{ nameservers = { "$TEST_NGINX_RESOLVER" } }
if not r then
ngx.say("failed to instantiate resolver: ", err)
return
end
local ans, err = r:query("www.google.com", { qtype = r.TYPE_A })
if not ans then
ngx.say("failed to query: ", err)
return
end
local cjson = require "cjson"
ngx.say("records: ", cjson.encode(ans))
';
}
--- request
GET /t
--- response_body_like chop
^records: \[.*?"address":"(?:\d{1,3}\.){3}\d+".*?\]$
--- no_error_log
[error]
=== TEST 2: CNAME records
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua '
local resolver = require "resty.dns.resolver"
local r, err = resolver:new{ nameservers = { "$TEST_NGINX_RESOLVER" } }
if not r then
ngx.say("failed to instantiate resolver: ", err)
return
end
local ans, err = r:query("www.yahoo.com", { qtype = r.TYPE_CNAME })
if not ans then
ngx.say("failed to query: ", err)
return
end
local cjson = require "cjson"
ngx.say("records: ", cjson.encode(ans))
';
}
--- request
GET /t
--- response_body_like chop
^records: \[.*?"cname":"[-_a-z0-9.]+".*?\]$
--- no_error_log
[error]
=== TEST 3: AAAA records
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua '
local resolver = require "resty.dns.resolver"
local r, err = resolver:new{ nameservers = { "$TEST_NGINX_RESOLVER" } }
if not r then
ngx.say("failed to instantiate resolver: ", err)
return
end
local ans, err = r:query("www.google.com", { qtype = r.TYPE_AAAA })
if not ans then
ngx.say("failed to query: ", err)
return
end
local cjson = require "cjson"
ngx.say("records: ", cjson.encode(ans))
';
}
--- request
GET /t
--- response_body_like chop
^records: \[.*?"address":"[a-fA-F0-9]*(?::[a-fA-F0-9]*)+".*?\]$
--- no_error_log
[error]
=== TEST 4: compress ipv6 addr
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua '
local resolver = require "resty.dns.resolver"
local c = resolver.compress_ipv6_addr
ngx.say(c("1080:0:0:0:8:800:200C:417A"))
ngx.say(c("FF01:0:0:0:0:0:0:101"))
ngx.say(c("0:0:0:0:0:0:0:1"))
ngx.say(c("1:5:0:0:0:0:0:0"))
ngx.say(c("7:25:0:0:0:3:0:0"))
ngx.say(c("0:0:0:0:0:0:0:0"))
';
}
--- request
GET /t
--- response_body
1080::8:800:200C:417A
FF01::101
::1
1:5::
7:25::3:0:0
::
--- no_error_log
[error]
=== TEST 5: A records (TCP)
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua '
local resolver = require "resty.dns.resolver"
local r, err = resolver:new{ nameservers = { "$TEST_NGINX_RESOLVER" } }
if not r then
ngx.say("failed to instantiate resolver: ", err)
return
end
local ans, err = r:tcp_query("www.google.com", { qtype = r.TYPE_A })
if not ans then
ngx.say("failed to query: ", err)
return
end
local cjson = require "cjson"
ngx.say("records: ", cjson.encode(ans))
';
}
--- request
GET /t
--- response_body_like chop
^records: \[.*?"address":"(?:\d{1,3}\.){3}\d+".*?\]$
--- no_error_log
[error]
=== TEST 6: MX records
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua '
local resolver = require "resty.dns.resolver"
local r, err = resolver:new{ nameservers = { "$TEST_NGINX_RESOLVER" } }
if not r then
ngx.say("failed to instantiate resolver: ", err)
return
end
local ans, err = r:query("gmail.com", { qtype = r.TYPE_MX })
if not ans then
ngx.say("failed to query: ", err)
return
end
local cjson = require "cjson"
ngx.say("records: ", cjson.encode(ans))
';
}
--- request
GET /t
--- response_body_like chop
^records: \[\{.*?"preference":\d+,.*?"exchange":"[^"]+".*?\}\]$
--- no_error_log
[error]
=== TEST 7: NS records
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua '
local resolver = require "resty.dns.resolver"
local r, err = resolver:new{ nameservers = { "$TEST_NGINX_RESOLVER" } }
if not r then
ngx.say("failed to instantiate resolver: ", err)
return
end
local ans, err = r:query("agentzh.org", { qtype = r.TYPE_NS })
if not ans then
ngx.say("failed to query: ", err)
return
end
local cjson = require "cjson"
ngx.say("records: ", cjson.encode(ans))
';
}
--- request
GET /t
--- response_body_like chop
^records: \[\{.*?"nsdname":"[^"]+".*?\}\]$
--- no_error_log
[error]
=== TEST 8: TXT query (no ans)
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua '
local resolver = require "resty.dns.resolver"
local r, err = resolver:new{ nameservers = { "$TEST_NGINX_RESOLVER" } }
if not r then
ngx.say("failed to instantiate resolver: ", err)
return
end
local ans, err = r:query("agentzh.org", { qtype = r.TYPE_TXT })
if not ans then
ngx.say("failed to query: ", err)
return
end
local cjson = require "cjson"
ngx.say("records: ", cjson.encode(ans))
';
}
--- request
GET /t
--- response_body
records: {}
--- no_error_log
[error]
--- timeout: 10
=== TEST 9: TXT query (with ans)
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua '
local resolver = require "resty.dns.resolver"
local r, err = resolver:new{ nameservers = { "$TEST_NGINX_RESOLVER" } }
if not r then
ngx.say("failed to instantiate resolver: ", err)
return
end
local ans, err = r:query("gmail.com", { qtype = r.TYPE_TXT })
if not ans then
ngx.say("failed to query: ", err)
return
end
local cjson = require "cjson"
ngx.say("records: ", cjson.encode(ans))
';
}
--- request
GET /t
--- response_body_like chop
^records: \[\{.*?"txt":"v=spf\d+\s[^"]+".*?\}\]$
--- no_error_log
[error]
=== TEST 10: PTR query
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua '
local resolver = require "resty.dns.resolver"
local r, err = resolver:new{ nameservers = { "$TEST_NGINX_RESOLVER" } }
if not r then
ngx.say("failed to instantiate resolver: ", err)
return
end
local ans, err = r:query("4.4.8.8.in-addr.arpa", { qtype = r.TYPE_PTR })
if not ans then
ngx.say("failed to query: ", err)
return
end
local cjson = require "cjson"
ngx.say("records: ", cjson.encode(ans))
';
}
--- request
GET /t
--- response_body_like chop
^records: \[\{.*?"ptrdname":"google-public-dns-b\.google\.com".*?\}\]$
--- no_error_log
[error]
=== TEST 11: domains with a trailing dot
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua '
local resolver = require "resty.dns.resolver"
local r, err = resolver:new{ nameservers = { "$TEST_NGINX_RESOLVER" } }
if not r then
ngx.say("failed to instantiate resolver: ", err)
return
end
local ans, err = r:query("www.google.com.", { qtype = r.TYPE_A })
if not ans then
ngx.say("failed to query: ", err)
return
end
local cjson = require "cjson"
ngx.say("records: ", cjson.encode(ans))
';
}
--- request
GET /t
--- response_body_like chop
^records: \[.*?"address":"(?:\d{1,3}\.){3}\d+".*?\]$
--- no_error_log
[error]
=== TEST 12: domains with a leading dot
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua '
local resolver = require "resty.dns.resolver"
local r, err = resolver:new{ nameservers = { "$TEST_NGINX_RESOLVER" } }
if not r then
ngx.say("failed to instantiate resolver: ", err)
return
end
local ans, err = r:query(".www.google.com", { qtype = r.TYPE_A })
if not ans then
ngx.say("failed to query: ", err)
return
end
local cjson = require "cjson"
ngx.say("records: ", cjson.encode(ans))
';
}
--- request
GET /t
--- response_body
failed to query: bad name
--- no_error_log
[error]
=== TEST 13: SRV records or XMPP
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua '
local resolver = require "resty.dns.resolver"
local r, err = resolver:new{ nameservers = { "$TEST_NGINX_RESOLVER" } }
if not r then
ngx.say("failed to instantiate resolver: ", err)
return
end
local ans, err = r:query("_xmpp-client._tcp.jabber.org", { qtype = r.TYPE_SRV })
if not ans then
ngx.say("failed to query: ", err)
return
end
local ljson = require "ljson"
ngx.say("records: ", ljson.encode(ans))
';
}
--- request
GET /t
--- response_body_like chop
^records: \[(?:{"class":1,"name":"_xmpp-client._tcp.jabber.org","port":\d+,"priority":\d+,"target":"[\w.]+\.jabber.org","ttl":\d+,"type":33,"weight":\d+},?)+\]$
--- no_error_log
[error]
=== TEST 14: SPF query (with ans)
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua '
local resolver = require "resty.dns.resolver"
local r, err = resolver:new{ nameservers = { "$TEST_NGINX_RESOLVER" } }
if not r then
ngx.say("failed to instantiate resolver: ", err)
return
end
local ans, err = r:query("linkedin.com", { qtype = r.TYPE_SPF })
if not ans then
ngx.say("failed to query: ", err)
return
end
local cjson = require "cjson"
ngx.say("records: ", cjson.encode(ans))
';
}
--- request
GET /t
--- response_body_like chop
^records: \[\{.*?"spf":"v=spf\d+\s[^"]+".*?\}\]$
--- no_error_log
[error]
=== TEST 15: SPF query (no ans)
--- http_config eval: $::HttpConfig
--- config
location /t {
content_by_lua '
local resolver = require "resty.dns.resolver"
local r, err = resolver:new{ nameservers = { "$TEST_NGINX_RESOLVER" } }
if not r then
ngx.say("failed to instantiate resolver: ", err)
return
end
local ans, err = r:query("agentzh.org", { qtype = r.TYPE_SPF })
if not ans then
ngx.say("failed to query: ", err)
return
end
local cjson = require "cjson"
ngx.say("records: ", cjson.encode(ans))
';
}
--- request
GET /t
--- response_body
records: {}
--- no_error_log
[error]
--- timeout: 10

549
controllers/nginx-third-party/lua/vendor/lua-resty-dns/valgrind.suppress vendored Normal file
View file

@ -0,0 +1,549 @@
{
<insert_a_suppression_name_here>
Memcheck:Cond
fun:lj_str_new
}
{
<insert_a_suppression_name_here>
Memcheck:Param
write(buf)
fun:__write_nocancel
fun:ngx_log_error_core
fun:ngx_resolver_read_response
}
{
<insert_a_suppression_name_here>
Memcheck:Cond
fun:ngx_sprintf_num
fun:ngx_vslprintf
fun:ngx_log_error_core
fun:ngx_resolver_read_response
fun:ngx_epoll_process_events
fun:ngx_process_events_and_timers
fun:ngx_single_process_cycle
fun:main
}
{
<insert_a_suppression_name_here>
Memcheck:Addr1
fun:ngx_vslprintf
fun:ngx_snprintf
fun:ngx_sock_ntop
fun:ngx_event_accept
}
{
<insert_a_suppression_name_here>
Memcheck:Param
write(buf)
fun:__write_nocancel
fun:ngx_log_error_core
fun:ngx_resolver_read_response
fun:ngx_event_process_posted
fun:ngx_process_events_and_timers
fun:ngx_single_process_cycle
fun:main
}
{
<insert_a_suppression_name_here>
Memcheck:Cond
fun:ngx_sprintf_num
fun:ngx_vslprintf
fun:ngx_log_error_core
fun:ngx_resolver_read_response
fun:ngx_event_process_posted
fun:ngx_process_events_and_timers
fun:ngx_single_process_cycle
fun:main
}
{
<insert_a_suppression_name_here>
exp-sgcheck:SorG
fun:lj_str_new
fun:lua_pushlstring
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
obj:*
}
{
<insert_a_suppression_name_here>
exp-sgcheck:SorG
fun:lj_str_new
fun:lua_pushlstring
}
{
<insert_a_suppression_name_here>
exp-sgcheck:SorG
fun:ngx_http_lua_ndk_set_var_get
}
{
<insert_a_suppression_name_here>
exp-sgcheck:SorG
fun:lj_str_new
fun:lua_getfield
}
{
<insert_a_suppression_name_here>
exp-sgcheck:SorG
fun:lj_str_new
fun:lua_setfield
}
{
<insert_a_suppression_name_here>
exp-sgcheck:SorG
fun:ngx_http_variables_init_vars
fun:ngx_http_block
}
{
<insert_a_suppression_name_here>
exp-sgcheck:SorG
fun:ngx_conf_parse
}
{
<insert_a_suppression_name_here>
exp-sgcheck:SorG
fun:ngx_vslprintf
fun:ngx_log_error_core
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:ngx_calloc
fun:ngx_event_process_init
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:ngx_malloc
fun:ngx_pcalloc
}
{
<insert_a_suppression_name_here>
Memcheck:Addr4
fun:lj_str_new
fun:lua_setfield
}
{
<insert_a_suppression_name_here>
Memcheck:Addr4
fun:lj_str_new
fun:lua_getfield
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:(below main)
}
{
<insert_a_suppression_name_here>
Memcheck:Param
epoll_ctl(event)
fun:epoll_ctl
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:ngx_event_process_init
}
{
<insert_a_suppression_name_here>
Memcheck:Cond
fun:ngx_conf_flush_files
fun:ngx_single_process_cycle
}
{
<insert_a_suppression_name_here>
Memcheck:Cond
fun:memcpy
fun:ngx_vslprintf
fun:ngx_log_error_core
fun:ngx_http_charset_header_filter
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:memalign
fun:posix_memalign
fun:ngx_memalign
fun:ngx_pcalloc
}
{
<insert_a_suppression_name_here>
Memcheck:Addr4
fun:lj_str_new
fun:lua_pushlstring
}
{
<insert_a_suppression_name_here>
Memcheck:Cond
fun:lj_str_new
fun:lj_str_fromnum
}
{
<insert_a_suppression_name_here>
Memcheck:Cond
fun:lj_str_new
fun:lua_pushlstring
}
{
<false_alarm_due_to_u32_alignment_in_luajit2>
Memcheck:Addr4
fun:lj_str_new
fun:lua_setfield
fun:ngx_http_lua_cache_store_code
}
{
<insert_a_suppression_name_here>
Memcheck:Cond
fun:lj_str_new
fun:lua_getfield
fun:ngx_http_lua_cache_load_code
}
{
<insert_a_suppression_name_here>
Memcheck:Cond
fun:lj_str_new
fun:lua_setfield
fun:ngx_http_lua_cache_store_code
}
{
<false_alarm_due_to_u32_alignment_in_luajit2>
Memcheck:Addr4
fun:lj_str_new
fun:lua_getfield
fun:ngx_http_lua_cache_load_code
}
{
<insert_a_suppression_name_here>
Memcheck:Param
socketcall.setsockopt(optval)
fun:setsockopt
fun:drizzle_state_connect
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:ngx_palloc_large
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:ngx_pool_cleanup_add
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:ngx_pnalloc
}
{
<insert_a_suppression_name_here>
Memcheck:Cond
fun:ngx_conf_flush_files
fun:ngx_single_process_cycle
fun:main
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:ngx_palloc
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:ngx_pcalloc
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:ngx_malloc
fun:ngx_palloc_large
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:ngx_create_pool
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:ngx_malloc
fun:ngx_palloc
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:ngx_malloc
fun:ngx_pnalloc
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:ngx_palloc_large
fun:ngx_palloc
fun:ngx_array_push
fun:ngx_http_get_variable_index
fun:ngx_http_memc_add_variable
fun:ngx_http_memc_init
fun:ngx_http_block
fun:ngx_conf_parse
fun:ngx_init_cycle
fun:main
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:ngx_event_process_init
fun:ngx_single_process_cycle
fun:main
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:ngx_crc32_table_init
fun:main
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:ngx_event_process_init
fun:ngx_worker_process_init
fun:ngx_worker_process_cycle
fun:ngx_spawn_process
fun:ngx_start_worker_processes
fun:ngx_master_process_cycle
fun:main
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:ngx_palloc_large
fun:ngx_palloc
fun:ngx_pcalloc
fun:ngx_hash_init
fun:ngx_http_variables_init_vars
fun:ngx_http_block
fun:ngx_conf_parse
fun:ngx_init_cycle
fun:main
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:ngx_palloc_large
fun:ngx_palloc
fun:ngx_pcalloc
fun:ngx_http_upstream_drizzle_create_srv_conf
fun:ngx_http_upstream
fun:ngx_conf_parse
fun:ngx_http_block
fun:ngx_conf_parse
fun:ngx_init_cycle
fun:main
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:ngx_palloc_large
fun:ngx_palloc
fun:ngx_pcalloc
fun:ngx_hash_keys_array_init
fun:ngx_http_variables_add_core_vars
fun:ngx_http_core_preconfiguration
fun:ngx_http_block
fun:ngx_conf_parse
fun:ngx_init_cycle
fun:main
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:ngx_palloc_large
fun:ngx_palloc
fun:ngx_array_push
fun:ngx_hash_add_key
fun:ngx_http_add_variable
fun:ngx_http_echo_add_variables
fun:ngx_http_echo_handler_init
fun:ngx_http_block
fun:ngx_conf_parse
fun:ngx_init_cycle
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:ngx_palloc_large
fun:ngx_palloc
fun:ngx_pcalloc
fun:ngx_http_upstream_drizzle_create_srv_conf
fun:ngx_http_core_server
fun:ngx_conf_parse
fun:ngx_http_block
fun:ngx_conf_parse
fun:ngx_init_cycle
fun:main
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:ngx_palloc_large
fun:ngx_palloc
fun:ngx_pcalloc
fun:ngx_http_upstream_drizzle_create_srv_conf
fun:ngx_http_block
fun:ngx_conf_parse
fun:ngx_init_cycle
fun:main
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:ngx_palloc_large
fun:ngx_palloc
fun:ngx_array_push
fun:ngx_hash_add_key
fun:ngx_http_variables_add_core_vars
fun:ngx_http_core_preconfiguration
fun:ngx_http_block
fun:ngx_conf_parse
fun:ngx_init_cycle
fun:main
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:ngx_palloc_large
fun:ngx_palloc
fun:ngx_pcalloc
fun:ngx_init_cycle
fun:main
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:ngx_palloc_large
fun:ngx_palloc
fun:ngx_hash_init
fun:ngx_http_upstream_init_main_conf
fun:ngx_http_block
fun:ngx_conf_parse
fun:ngx_init_cycle
fun:main
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:ngx_palloc_large
fun:ngx_palloc
fun:ngx_pcalloc
fun:ngx_http_drizzle_keepalive_init
fun:ngx_http_upstream_drizzle_init
fun:ngx_http_upstream_init_main_conf
fun:ngx_http_block
fun:ngx_conf_parse
fun:ngx_init_cycle
fun:main
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:malloc
fun:ngx_alloc
fun:ngx_palloc_large
fun:ngx_palloc
fun:ngx_hash_init
fun:ngx_http_variables_init_vars
fun:ngx_http_block
fun:ngx_conf_parse
fun:ngx_init_cycle
fun:main
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:memalign
fun:posix_memalign
fun:ngx_memalign
fun:ngx_create_pool
}
{
<insert_a_suppression_name_here>
Memcheck:Leak
fun:memalign
fun:posix_memalign
fun:ngx_memalign
fun:ngx_palloc_block
fun:ngx_palloc
}
{
<insert_a_suppression_name_here>
Memcheck:Cond
fun:index
fun:expand_dynamic_string_token
fun:_dl_map_object
fun:map_doit
fun:_dl_catch_error
fun:do_preload
fun:dl_main
fun:_dl_sysdep_start
fun:_dl_start
}