File: 014-bugs.t

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# vim:set ft= ts=4 sw=4 et fdm=marker:

use Test::Nginx::Socket::Lua;

#worker_connections(1014);
#master_on();
log_level('debug');

repeat_each(3);

# NB: the shutdown_error_log block is independent from repeat times
plan tests => repeat_each() * (blocks() * 2 + 33) + 1;

our $HtmlDir = html_dir;
#warn $html_dir;

$ENV{TEST_NGINX_HTML_DIR} = $HtmlDir;
$ENV{TEST_NGINX_REDIS_PORT} ||= 6379;

#no_diff();
#no_long_string();

$ENV{TEST_NGINX_MEMCACHED_PORT} ||= 11211;
$ENV{TEST_NGINX_RESOLVER} ||= '8.8.8.8';

#no_shuffle();
no_long_string();

sub read_file {
    my $infile = shift;
    open my $in, $infile
        or die "cannot open $infile for reading: $!";
    my $cert = do { local $/; <$in> };
    close $in;
    $cert;
}

our $TestCertificate = read_file("t/cert/test.crt");
our $TestCertificateKey = read_file("t/cert/test.key");

run_tests();

__DATA__

=== TEST 1: sanity
--- http_config eval
    "lua_package_path '$::HtmlDir/?.lua;./?.lua;;';"
--- config
    location /load {
        content_by_lua '
            package.loaded.foo = nil;
            local foo = require "foo";
            foo.hi()
        ';
    }
--- request
GET /load
--- user_files
>>> foo.lua
module(..., package.seeall);

function foo ()
    return 1
    return 2
end
--- error_code: 500
--- response_body_like: 500 Internal Server Error



=== TEST 2: sanity
--- http_config
lua_package_cpath '/home/agentz/rpm/BUILD/lua-yajl-1.1/build/?.so;/home/lz/luax/?.so;./?.so';
--- config
    location = '/report/listBidwordPrices4lzExtra.htm' {
        content_by_lua '
            local yajl = require "yajl"
            local w = ngx.var.arg_words
            w = ngx.unescape_uri(w)
            local r = {}
            print("start for")
            for id in string.gmatch(w, "%d+") do
                 r[id] = -1
            end
            print("end for, start yajl")
            ngx.print(yajl.to_string(r))
            print("end yajl")
        ';
    }
--- request
GET /report/listBidwordPrices4lzExtra.htm?words=123,156,2532
--- response_body
--- SKIP



=== TEST 3: sanity
--- config
    location = /memc {
        #set $memc_value 'hello';
        set $memc_value $arg_v;
        set $memc_cmd $arg_c;
        set $memc_key $arg_k;
        #set $memc_value hello;

        memc_pass 127.0.0.1:$TEST_NGINX_MEMCACHED_PORT;
        #echo $memc_value;
    }
    location = /echo {
        echo_location '/memc?c=get&k=foo';
        echo_location '/memc?c=set&k=foo&v=hello';
        echo_location '/memc?c=get&k=foo';
    }
    location = /main {
        content_by_lua '
            local res = ngx.location.capture("/memc?c=get&k=foo&v=")
            ngx.say("1: ", res.body)

            res = ngx.location.capture("/memc?c=set&k=foo&v=bar");
            ngx.say("2: ", res.body);

            res = ngx.location.capture("/memc?c=get&k=foo")
            ngx.say("3: ", res.body);
        ';
    }
--- request
GET /main
--- response_body_like: 3: bar$



=== TEST 4: capture works for subrequests with internal redirects
--- config
    location /lua {
        content_by_lua '
            local res = ngx.location.capture("/")
            ngx.say(res.status)
            ngx.print(res.body)
        ';
    }
--- request
    GET /lua
--- response_body_like chop
200
.*It works
--- SKIP



=== TEST 5: disk file bufs not working
--- config
    location /lua {
        content_by_lua '
            local res = ngx.location.capture("/test.lua")
            ngx.say(res.status)
            ngx.print(res.body)
        ';
    }
--- user_files
>>> test.lua
print("Hello, world")
--- request
    GET /lua
--- response_body
200
print("Hello, world")



=== TEST 6: print lua empty strings
--- config
    location /lua {
        content_by_lua 'ngx.print("") ngx.flush() ngx.print("Hi")';
    }
--- request
GET /lua
--- response_body chop
Hi



=== TEST 7: say lua empty strings
--- config
    location /lua {
        content_by_lua 'ngx.say("") ngx.flush() ngx.print("Hi")';
    }
--- request
GET /lua
--- response_body eval
"
Hi"



=== TEST 8: github issue 37: header bug
https://github.com/chaoslawful/lua-nginx-module/issues/37

https://datatracker.ietf.org/doc/html/rfc7540#section-8.1.2
   Just as in HTTP/1.x, header field names are strings of ASCII
   characters that are compared in a case-insensitive fashion. However,
   header field names MUST be converted to lowercase prior to their
   encoding in HTTP/2.  A request or response containing uppercase
   header field names MUST be treated as malformed
--- no_http2
--- config
    location /sub {
        content_by_lua '
            ngx.header["Set-Cookie"] = {"TestCookie1=foo", "TestCookie2=bar"};
            ngx.say("Hello")
        ';
    }
    location /lua {
        content_by_lua '
            -- local yajl = require "yajl"
            ngx.header["Set-Cookie"] = {}
            local res = ngx.location.capture("/sub")

            for i,j in pairs(res.header) do
                ngx.header[i] = j
            end

            -- ngx.say("set-cookie: ", yajl.to_string(res.header["Set-Cookie"]))

            ngx.send_headers()
            ngx.print("body: ", res.body)
        ';
    }
--- request
GET /lua
--- raw_response_headers_like eval
my $headers;

if (defined $ENV{TEST_NGINX_USE_HTTP3}) {
    $headers = ".*set-cookie: TestCookie1=foo\r
set-cookie: TestCookie2=bar.*"
} else {
    $headers = ".*Set-Cookie: TestCookie1=foo\r
Set-Cookie: TestCookie2=bar.*"
}

$headers;



=== TEST 9: memory leak
--- config
    location /foo {
        content_by_lua_file 'html/foo.lua';
    }
--- user_files
>>> foo.lua
local res = {}
res = {'good 1', 'good 2', 'good 3'}
return ngx.redirect("/somedir/" .. ngx.escape_uri(res[math.random(1,#res)]))
--- request
    GET /foo
--- response_body
--- SKIP



=== TEST 10: capturing locations with internal redirects (no lua redirect)
--- config
    location /bar {
        echo Bar;
    }
    location /foo {
        #content_by_lua '
        #ngx.exec("/bar")
        #';
        echo_exec /bar;
    }
    location /main {
        content_by_lua '
            local res = ngx.location.capture("/foo")
            ngx.print(res.body)
        ';
    }
--- request
    GET /main
--- response_body
Bar



=== TEST 11: capturing locations with internal redirects (lua redirect)
--- config
    location /bar {
        content_by_lua 'ngx.say("Bar")';
    }
    location /foo {
        content_by_lua '
            ngx.exec("/bar")
        ';
    }
    location /main {
        content_by_lua '
            local res = ngx.location.capture("/foo")
            ngx.print(res.body)
        ';
    }
--- request
    GET /main
--- response_body
Bar



=== TEST 12: capturing locations with internal redirects (simple index)
--- config
    location /main {
        content_by_lua '
            local res = ngx.location.capture("/")
            ngx.print(res.body)
        ';
    }
--- request
    GET /main
--- response_body chop
<html><head><title>It works!</title></head><body>It works!</body></html>



=== TEST 13: capturing locations with internal redirects (more lua statements)
--- config
    location /bar {
        content_by_lua '
            ngx.say("hello")
            ngx.say("world")
        ';
    }
    location /foo {
        #content_by_lua '
        #ngx.exec("/bar")
        #';
        echo_exec /bar;
    }
    location /main {
        content_by_lua '
            local res = ngx.location.capture("/foo")
            ngx.print(res.body)
        ';
    }
--- request
    GET /main
--- response_body
hello
world



=== TEST 14: capturing locations with internal redirects (post subrequest with internal redirect)
--- config
    location /bar {
        lua_need_request_body on;
        client_body_in_single_buffer on;

        content_by_lua '
            ngx.say(ngx.var.request_body)
        ';
    }
    location /foo {
        #content_by_lua '
        #ngx.exec("/bar")
        #';
        echo_exec /bar;
    }
    location /main {
        content_by_lua '
            local res = ngx.location.capture("/foo", { method = ngx.HTTP_POST, body = "hello" })
            ngx.print(res.body)
        ';
    }
--- request
    GET /main
--- response_body
hello



=== TEST 15: nginx rewrite works in subrequests
--- config
    rewrite /foo /foo/ permanent;
    location = /foo/ {
        echo hello;
    }
    location /main {
        content_by_lua '
            local res = ngx.location.capture("/foo")
            ngx.say("status = ", res.status)
            ngx.say("Location: ", res.header["Location"] or "nil")
        ';
    }
--- request
    GET /main
--- response_body
status = 301
Location: /foo/



=== TEST 16: nginx rewrite works in subrequests
--- config
    access_by_lua '
        local res = ngx.location.capture(ngx.var.uri)
        ngx.say("status = ", res.status)
        ngx.say("Location: ", res.header["Location"] or "nil")
        ngx.exit(200)
    ';
--- request
    GET /foo
--- user_files
>>> foo/index.html
It works!
--- response_body
status = 301
Location: /foo/
--- no_check_leak



=== TEST 17: set content-type header with charset
--- config
    location /lua {
        charset GBK;
        content_by_lua '
            ngx.header.content_type = "text/xml; charset=UTF-8"
            ngx.say("hi")
        ';
    }
--- request
    GET /lua
--- response_body
hi
--- response_headers
Content-Type: text/xml; charset=UTF-8



=== TEST 18: set response header content-type with charset
--- config
    location /lua {
        charset GBK;
        content_by_lua '
            ngx.header.content_type = "text/xml"
            ngx.say("hi")
        ';
    }
--- request
    GET /lua
--- response_body
hi
--- response_headers
Content-Type: text/xml; charset=GBK



=== TEST 19: get by-position capturing variables
--- config
    location ~ '^/lua/(.*)' {
        content_by_lua '
            ngx.say(ngx.var[1] or "nil")
        ';
    }
--- request
    GET /lua/hello
--- response_body
hello



=== TEST 20: get by-position capturing variables ($0)
--- config
    location ~ '^/lua/(.*)' {
        content_by_lua '
            ngx.say(ngx.var[0] or "nil")
        ';
    }
--- request
    GET /lua/hello
--- response_body
nil



=== TEST 21: get by-position capturing variables (exceeding captures)
--- config
    location ~ '^/lua/(.*)' {
        content_by_lua '
            ngx.say(ngx.var[2] or "nil")
        ';
    }
--- request
    GET /lua/hello
--- response_body
nil



=== TEST 22: get by-position capturing variables ($1, $2)
--- config
    location ~ '^/lua/(.*)/(.*)' {
        content_by_lua '
            ngx.say(ngx.var[-1] or "nil")
            ngx.say(ngx.var[0] or "nil")
            ngx.say(ngx.var[1] or "nil")
            ngx.say(ngx.var[2] or "nil")
            ngx.say(ngx.var[3] or "nil")
            ngx.say(ngx.var[4] or "nil")
        ';
    }
--- request
    GET /lua/hello/world
--- response_body
nil
nil
hello
world
nil
nil



=== TEST 23: set special variables
--- config
    location /main {
        #set_unescape_uri $cookie_a "hello";
        set $http_a "hello";
        content_by_lua '
            ngx.say(ngx.var.http_a)
        ';
    }
--- request
    GET /main
--- response_body
hello
--- SKIP



=== TEST 24: set special variables
--- config
    location /main {
        content_by_lua '
            dofile(ngx.var.realpath_root .. "/a.lua")
        ';
    }
    location /echo {
        echo hi;
    }
--- request
    GET /main
--- user_files
>>> a.lua
ngx.location.capture("/echo")
--- response_body
--- SKIP



=== TEST 25: set 20+ headers
--- config
    location /test {
        rewrite_by_lua '
            ngx.req.clear_header("Authorization")
        ';
        echo $http_a1;
        echo $http_authorization;
        echo $http_a2;
        echo $http_a3;
        echo $http_a23;
        echo $http_a24;
        echo $http_a25;
    }
--- request
    GET /test
--- more_headers eval
my $i = 1;
my $s;
while ($i <= 25) {
    $s .= "A$i: $i\n";
    if ($i == 22) {
        $s .= "Authorization: blah\n";
    }
    $i++;
}
#warn $s;
$s
--- response_body
1

2
3
23
24
25



=== TEST 26: globals sharing by using _G
--- config
    location /test {
        content_by_lua '
            if _G.t then
                _G.t = _G.t + 1
            else
                _G.t = 0
            end
            ngx.print(t)
        ';
    }
--- pipelined_requests eval
["GET /test", "GET /test", "GET /test"]
--- response_body_like eval
[qr/\A[036]\z/, qr/\A[147]\z/, qr/\A[258]\z/]



=== TEST 27: globals sharing by using _G (set_by_lua*)
--- config
    location /test {
        set_by_lua $a '
            if _G.t then
                _G.t = _G.t + 1
            else
                _G.t = 0
            end
            return t
        ';
        echo -n $a;
    }
--- pipelined_requests eval
["GET /test", "GET /test", "GET /test"]
--- response_body_like eval
[qr/\A[036]\z/, qr/\A[147]\z/, qr/\A[258]\z/]



=== TEST 28: globals sharing by using _G (log_by_lua*)
--- http_config
    lua_shared_dict log_dict 100k;
--- config
    location /test {
        content_by_lua '
            local log_dict = ngx.shared.log_dict
            ngx.print(log_dict:get("cnt") or 0)
        ';

        log_by_lua '
            local log_dict = ngx.shared.log_dict
            if _G.t then
                _G.t = _G.t + 1
            else
                _G.t = 1
            end
            log_dict:set("cnt", t)
        ';
    }
--- pipelined_requests eval
["GET /test", "GET /test", "GET /test"]
--- response_body_like eval
[qr/\A[036]\z/, qr/\A[147]\z/, qr/\A[258]\z/]



=== TEST 29: globals sharing by using _G (header_filter_by_lua*)
--- config
    location /test {
        header_filter_by_lua '
            if _G.t then
                _G.t = _G.t + 1
            else
                _G.t = 0
            end
            ngx.ctx.cnt = tostring(t)
        ';
        content_by_lua '
            ngx.send_headers()
            ngx.print(ngx.ctx.cnt or 0)
        ';
    }
--- pipelined_requests eval
["GET /test", "GET /test", "GET /test"]
--- response_body_like eval
[qr/\A[036]\z/, qr/\A[147]\z/, qr/\A[258]\z/]



=== TEST 30: globals sharing by using _G (body_filter_by_lua*)
--- config
    location /test {
        body_filter_by_lua '
            if _G.t then
                _G.t = _G.t + 1
            else
                _G.t = 0
            end
            ngx.ctx.cnt = _G.t
        ';
        content_by_lua '
            ngx.print("a")
            ngx.say(ngx.ctx.cnt or 0)
        ';
    }
--- request
GET /test
--- response_body_like eval
qr/\Aa[036]
\z/
--- no_error_log
[error]



=== TEST 31: set content-type header with charset and default_type
--- http_config
--- config
    location /lua {
        default_type application/json;
        charset utf-8;
        charset_types application/json;
        content_by_lua 'ngx.say("hi")';
    }
--- request
    GET /lua
--- response_body
hi
--- response_headers
Content-Type: application/json; charset=utf-8



=== TEST 32: hang on upstream_next (from kindy)
--- no_http2
--- no_check_leak
--- http_config
    upstream xx {
        server 127.0.0.1:$TEST_NGINX_SERVER_PORT max_fails=5;
        server 127.0.0.1:$TEST_NGINX_SERVER_PORT max_fails=5;
    }

    server {
        server_name "xx";
        listen $TEST_NGINX_SERVER_PORT;

        return 444;
    }
--- config
    location = /t {
        proxy_next_upstream off;
        proxy_pass http://xx;
    }
--- request
    GET /t
--- timeout: 1
--- response_body_like: 502 Bad Gateway
--- error_code: 502
--- error_log
upstream prematurely closed connection while reading response header from upstream



=== TEST 33: last_in_chain is set properly in subrequests
--- config
    location = /sub {
        echo hello;
        body_filter_by_lua '
            local eof = ngx.arg[2]
            if eof then
                print("eof found in body stream")
            end
        ';
    }

    location = /main {
        echo_location /sub;
    }

--- request
    GET /main
--- response_body
hello
--- log_level: notice
--- error_log
eof found in body stream



=== TEST 34: testing a segfault when using ngx_poll_module + ngx_resolver
See more details here: http://mailman.nginx.org/pipermail/nginx-devel/2013-January/003275.html

http3 may cache the dns result.
so need to skip for http3
--- skip_eval: 2:$ENV{TEST_NGINX_USE_HTTP3}
--- config
    location /t {
        set $myserver nginx.org;
        proxy_pass http://$myserver/;
        resolver 127.0.0.1:6789;
    }
--- request
    GET /t
--- ignore_response
--- abort
--- timeout: 0.3
--- log_level: notice
--- no_error_log
[alert]
--- error_log eval
qr/(?:send|recv)\(\) failed \(\d+: Connection refused\) while resolving/
--- curl_error eval
qr/curl: \(28\) Operation timed out after \d+ milliseconds with 0 bytes received/



=== TEST 35: github issue #218: ngx.location.capture hangs when querying a remote host that does not exist or is really slow to respond
--- config
    set $myurl "https://not-exist.agentzh.org";
    location /toto {
        content_by_lua '
                local proxyUrl = "/myproxy/entity"
                local res = ngx.location.capture( proxyUrl,  { method = ngx.HTTP_GET })
                ngx.say("Hello, ", res.status)
            ';
    }
    location ~ /myproxy {

        rewrite    ^/myproxy/(.*)  /$1  break;
        resolver_timeout 3s;
        #resolver 172.16.0.23; #  AWS DNS resolver address is the same in all regions - 172.16.0.23
        resolver $TEST_NGINX_RESOLVER;
        proxy_read_timeout 1s;
        proxy_send_timeout 1s;
        proxy_connect_timeout 1s;
        proxy_pass $myurl:443;
        proxy_pass_request_body off;
        proxy_set_header Content-Length 0;
        proxy_set_header  Accept-Encoding  "";
    }

--- request
GET /toto

--- stap2
F(ngx_http_lua_post_subrequest) {
    println("lua post subrequest")
    print_ubacktrace()
}

--- response_body
Hello, 502

--- error_log
not-exist.agentzh.org could not be resolved
--- timeout: 10



=== TEST 36: line comments in the last line of the inlined Lua code
--- config
    location /lua {
        content_by_lua 'ngx.say("ok") -- blah';
    }
--- request
GET /lua
--- response_body
ok
--- no_error_log
[error]



=== TEST 37: resolving names with a trailing dot
--- http_config eval
    "lua_package_path '$::HtmlDir/?.lua;./?.lua;;';"
--- config
    location /t {
        resolver $TEST_NGINX_RESOLVER ipv6=off;
        set $myhost 'agentzh.org.';
        proxy_pass http://$myhost/misc/.vimrc;
    }
--- request
GET /t
--- response_body_like: An example for a vimrc file
--- no_error_log
[error]
--- timeout: 10
--- skip_eval: 3:$ENV{TEST_NGINX_USE_HTTP3}



=== TEST 38: resolving names with a trailing dot
--- http_config eval
    "lua_package_path '$::HtmlDir/?.lua;./?.lua;;';
    server {
        listen \$TEST_NGINX_RAND_PORT_1;

        location = /t {
            echo 'args: \$args';
        }
    }
"
--- config
    location = /t {
        set $args "foo=1&bar=2";
        proxy_pass http://127.0.0.1:$TEST_NGINX_RAND_PORT_1;
    }

--- request
GET /t
--- response_body
args: foo=1&bar=2
--- no_error_log
[error]
--- no_check_leak



=== TEST 39: lua_code_cache off + setkeepalive
--- http_config eval
    "lua_package_path '$::HtmlDir/?.lua;./?.lua;;';"
--- config
    lua_code_cache off;
    location = /t {
        set $port $TEST_NGINX_REDIS_PORT;
        content_by_lua '
            local test = require "test"
            local port = ngx.var.port
            test.go(port)
        ';
    }
--- user_files
>>> test.lua
module("test", package.seeall)

function go(port)
    local sock = ngx.socket.tcp()
    local sock2 = ngx.socket.tcp()

    sock:settimeout(1000)
    sock2:settimeout(6000000)

    local ok, err = sock:connect("127.0.0.1", port)
    if not ok then
        ngx.say("failed to connect: ", err)
        return
    end

    local ok, err = sock2:connect("127.0.0.1", port)
    if not ok then
        ngx.say("failed to connect: ", err)
        return
    end

    local ok, err = sock:setkeepalive(100, 100)
    if not ok then
        ngx.say("failed to set reusable: ", err)
    end

    local ok, err = sock2:setkeepalive(200, 100)
    if not ok then
        ngx.say("failed to set reusable: ", err)
    end

    ngx.say("done")
end
--- request
GET /t
--- stap2
F(ngx_close_connection) {
    println("=== close connection")
    print_ubacktrace()
}
--- stap_out2
--- response_body
done
--- wait: 0.5
--- no_error_log
[error]



=== TEST 40: .lua file of exactly N*1024 bytes (github issue #385)
--- config
    location = /t {
        content_by_lua_file html/a.lua;
    }

--- user_files eval
my $s = "ngx.say('ok')\n";
">>> a.lua\n" . (" " x (8192 - length($s))) . $s;

--- request
GET /t
--- response_body
ok
--- no_error_log
[error]



=== TEST 41: https proxy has no timeout protection for ssl handshake
--- http_config
    # to suppress a valgrind false positive in the nginx core:
    proxy_ssl_session_reuse off;

    server {
        listen unix:$TEST_NGINX_HTML_DIR/nginx.sock ssl;
        ssl_certificate ../html/test.crt;
        ssl_certificate_key ../html/test.key;

        location /foo {
            echo foo;
        }
    }

    upstream local {
        server unix:$TEST_NGINX_HTML_DIR/nginx.sock;
    }

--- config
    location = /t {
        proxy_pass https://local/foo;
    }

--- user_files eval
">>> test.key
$::TestCertificateKey
>>> test.crt
$::TestCertificate"

--- request
GET /t

--- stap
probe process("nginx").function("ngx_http_upstream_ssl_handshake") {
    printf("read timer set: %d\n", $c->read->timer_set)
    printf("write timer set: %d\n", $c->write->timer_set)
}
--- stap_out
read timer set: 0
write timer set: 1

--- response_body eval
--- no_error_log
[error]
[alert]



=== TEST 42: tcp: nginx crash when resolve an not exist domain in ngx.thread.spawn
https://github.com/openresty/lua-nginx-module/issues/1915
--- config
    resolver $TEST_NGINX_RESOLVER ipv6=off;
    location = /t {
        content_by_lua_block {
            local function tcp(host, port)
                local sock = ngx.socket.tcp()
                local ok,err = sock:connect(host, port)
                if not ok then
                    ngx.log(ngx.WARN, "failed: ", err)
                    sock:close()
                    return false
                end

                sock:close()
                return true
            end

            local host = "nonexistent.openresty.org"
            local port = 80

            local threads = {}
            for i = 1, 3 do
                threads[i] = ngx.thread.spawn(tcp, host, port)
            end

            local ok, res = ngx.thread.wait(threads[1],threads[2],threads[3])
            if not ok then
                ngx.say("failed to wait thread")
                return
            end

            ngx.say("res: ", res)

            for i = 1, 3 do
                ngx.thread.kill(threads[i])
            end
        }
    }

--- request
GET /t
--- response_body
res: false
--- error_log
nonexistent.openresty.org could not be resolved



=== TEST 43: domain exists with tcp socket
https://github.com/openresty/lua-nginx-module/issues/1915
--- config
    resolver $TEST_NGINX_RESOLVER ipv6=off;
    location = /t {
        content_by_lua_block {
            local function tcp(host, port)
                local sock = ngx.socket.tcp()
                local ok,err = sock:connect(host, port)
                if not ok then
                    ngx.log(ngx.WARN, "failed: ", err)
                    sock:close()
                    return false
                end

                sock:close()
                return true
            end

            local host = "www.openresty.org"
            local port = 80

            local threads = {}
            for i = 1, 3 do
                threads[i] = ngx.thread.spawn(tcp, host, port)
            end

            local ok, res = ngx.thread.wait(threads[1],threads[2],threads[3])
            if not ok then
                ngx.say("failed to wait thread")
                return
            end

            ngx.say("res: ", res)

            for i = 1, 3 do
                ngx.thread.kill(threads[i])
            end
        }
    }

--- request
GET /t
--- response_body
res: true



=== TEST 44: domain exists with udp socket
https://github.com/openresty/lua-nginx-module/issues/1915
--- config
    resolver $TEST_NGINX_RESOLVER ipv6=off;
    location = /t {
        content_by_lua_block {
            local function udp(host, port)
                local sock = ngx.socket.udp()
                local ok,err = sock:setpeername(host, port)
                if not ok then
                    ngx.log(ngx.WARN, "failed: ", err)
                    sock:close()
                    return false
                end

                sock:close()
                return true
            end

            local host = "nonexistent.openresty.org"
            local port = 80

            local threads = {}
            for i = 1, 3 do
                threads[i] = ngx.thread.spawn(udp, host, port)
            end

            local ok, res = ngx.thread.wait(threads[1],threads[2],threads[3])
            if not ok then
                ngx.say("failed to wait thread")
                return
            end

            ngx.say("res: ", res)

            for i = 1, 3 do
                ngx.thread.kill(threads[i])
            end
        }
    }

--- request
GET /t
--- response_body
res: false
--- error_log
nonexistent.openresty.org could not be resolved



=== TEST 45: udp: nginx crash when resolve an not exist domain in ngx.thread.spawn
https://github.com/openresty/lua-nginx-module/issues/1915
--- config
    resolver $TEST_NGINX_RESOLVER ipv6=off;
    location = /t {
        content_by_lua_block {
            local function udp(host, port)
                local sock = ngx.socket.udp()
                local ok,err = sock:setpeername(host, port)
                if not ok then
                    ngx.log(ngx.WARN, "failed: ", err)
                    sock:close()
                    return false
                end

                sock:close()
                return true
            end

            local host = "www.openresty.org"
            local port = 80

            local threads = {}
            for i = 1, 3 do
                threads[i] = ngx.thread.spawn(udp, host, port)
            end

            local ok, res = ngx.thread.wait(threads[1],threads[2],threads[3])
            if not ok then
                ngx.say("failed to wait thread")
                return
            end

            ngx.say("res: ", res)

            for i = 1, 3 do
                ngx.thread.kill(threads[i])
            end
        }
    }

--- request
GET /t
--- response_body
res: true



=== TEST 46: nginx crash when parsing a word or a single configuration item that is too long
https://github.com/openresty/lua-nginx-module/issues/1938
--- http_config
    init_worker_by_lua '
        err_big_str = 'A NA<document><ghjnxnpnaryyhzyfehuyjxzoilebgazuifhn foo=bar><other_tag foo=bar><ahziqttu foo=bar><a foo=bar><other_tag foo=bar><other_tag foo=bar><other_tag foo=bar><nzzpftierhdtdeippzlyjrmkbtljunmkxhohxmbdmgeeazpb foo=bar></nzzpftierhdtdeippzlyjrmkbtljunmkxhohxmbdmgeeazpb><qai foo=bar></qai></other_tag></other_tag><other_tag foo=bar></other_tag><other_tag foo=bar></other_tag></other_tag><some_tag foo=bar></some_tag><some_tag foo=bar><mdbrjkon foo=bar><other_tag foo=bar></other_tag></mdbrjkon><mttiqvw foo=bar></mttiqvw></some_tag><some_tag foo=bar></some_tag></a><lae foo=bar></lae><ds foo=bar></ds><some_tag foo=bar><other_tag foo=bar></other_tag></some_tag><other_tag foo=bar></other_tag></ahziqttu></other_tag><a foo=bar><some_tag foo=bar></some_tag><some_tag foo=bar><other_tag foo=bar></other_tag></some_tag></a><other_tag foo=bar><cxfpg foo=bar></cxfpg><some_tag foo=bar></some_tag></other_tag></ghjnxnpnaryyhzyfehuyjxzoilebgazuifhn><some_tag foo=bar><other_tag foo=bar><other_tag foo=bar><some_tag foo=bar><some_tag foo=bar></some_tag><other_tag foo=bar></other_tag></some_tag><some_tag foo=bar></some_tag><some_tag foo=bar><a foo=bar></a></some_tag><a foo=bar></a></other_tag><a foo=bar></a></other_tag><a foo=bar><wblh foo=bar><jyfzglfbaxfjvhtaiysmsexwusvrvzu foo=bar><other_tag foo=bar></other_tag></jyfzglfbaxfjvrtaiysmsexwusvrvzu><a foo=bar><other_tag foo=bar></other_tag></a></wblh><ycnivdryxanudpgzmgugzyjrnacandijqitfosjrxjuosiwhxxgwgqpwzjcyelstgzveugtmjilnkydyktoqywjyydtcgtabowmbxnjpttkxqjpazdsgzeutjfzgvafnovu@zgccxvypzbkbbsizllwitznecdbyiynopkzsyazlhyslqlwkqqnzuvvdlavwvspwzpivmmreycogbinpvhvfscjmwwwllppjholetfvcbezdwrfczqbdrogr foo=bar></ycnivdryxanudpgzmgugzyjrnacandijqitfosjrxjuosiwhxxgwgqpwzjcyelstgzveugtmjilnkydyktoqywjyydtcgtabowmbxnjpttkxqjpazdsgzeutjfzgvafnovumzgccxvypzbkbbsizllwitznecdbyiynopkzsyazlhyslqlwkqqnzuvvdlavwvspwzpivmmreycogbinpvhvfscjmwwwllppjholetfvcbezdwrfczqbdrogr></a><s foo=bar></s><some_tag foo=bar></some_tag><some_tag foo=bar></some_tag></some_tag><oin foo=bar><other_tag foo=bar><other_tag foo=bar></other_tag></other_tag><other_tag foo=bar></other_tag><other_tag foo=bar></other_tag></oin><other_tag foo=bar><other_tag foo=bar><some_tag foo=bar><other_tag foo=bar></other_tag></some_tag><other_tag foo=bar><some_tag foo=bar><some_tag foo=bar><some_tag foo=bar><other_tag foo=bar></other_tag></some_tag><xg foo=bar></xg></some_tag><ibsolavsdhkcovsbqddq foo=bar><bjodqvqtcgizzbefemdqiljssgxibmprzhxifaciftbl foo=bar></bjodqvqtcgizzbefemdqiljssgxibmprzhxifaciftbl></ibsolavsdhkcovsbqddq><s foo=bar><j foo=bar><other_tag foo=bar></other_tag></j></s><other_tag foo=bar><zte foo=bar></zte><other_tag foo=bar><a foo=bar></a></other_tag></other_tag></some_tag><some_tag foo=bar><other_tag foo=bar></other_tag></some_tag></other_tag><other_tag foo=bar><some_tag foo=bar><other_tag foo=bar></other_tag><other_tag foo=bar><other_tag foo=bar><some_tag foo=bar></some_tag></other_tag></other_tag><some_tag foo=bar></some_tag></some_tag><other_tag foo=bar></other_tag></other_tag><some_tag foo=bar></some_tag></other_tag><ynorkudnfqlyozuf foo=bar><some_tag foo=bar><some_tag foo=bar></some_tag></some_tag><some_tag foo=bar><a foo=bar></a></some_tag><some_tag foo=bar><some_tag foo=bar></some_tag></some_tag><other_tag foo=bar><some_tag foo=bar><gywpe foo=bar></gywpe></some_tag><some_tag foo=bar></some_tag><some_tag foo=bar></some_tag></other_tag><some_tag foo=bar><ycbfctvudqzhnasdtgwsylenjzo foo=bar></ycbfctvudqzhnasdtgwsylenjzo></some_tag></ynorkudnfqlyozuf><some_tag foo=bar></some_tag><other_tag foo=bar></other_tag><bpxlcvo foo=bar></bpxlcvo></other_tag><other_tag foo=bar><some_tag foo=bar><some_tag foo=bar><bsgabtkeonafnvroqlmlprxxhlkayhlmxmanhomgrweqevvqowuvnrvfazckbpxihviccqvfeciafjuxpiukkyfmirugowshqyxuvkzxjwfyl foo=bar><bujx foo=bar><other_tag foo=bar></other_tag></bujx></bsgabtkeonafnvroqlmlprxxhlkayhlmxmanhomgrweqevvqowuvnrvfazckbpxihviccqvfeciafjuxpiukkyfmirugowshqyxuvkzxjwfyl></some_tag><some_tag foo=bar></some_tag><other_tag foo=bar><other_tag foo=bar></other_tag></other_tag></some_tag><other_tag foo=bar></other_tag><yn foo=bar></yn><some_tag foo=bar></some_tag></other_tag><some_tag foo=bar><some_tag foo=bar><yjfgivoaqys foo=bar><some_tag foo=bar></some_tag></yjfgivoaqys><some_tag foo=bar></some_tag></some_tag><some_tag foo=bar><some_tag foo=bar></some_tag></some_tag><other_tag foo=bar><some_tag foo=bar><other_tag foo=bar></other_tag></some_tag></other_tag><some_tag foo=bar><other_tag foo=bar><q foo=bar></q></other_tag><some_tag foo=bar><some_tag foo=bar><some_tag foo=bar><fimlcfqpgrfgmqlvy foo=bar><some_tag foo=bar><other_tag foo=bar><other_tag foo=bar><other_tag foo=bar></other_tag></other_tag><ozbxovtd foo=bar></ozbxovtd></other_tag><a foo=bar><vhilkxdosukumkwuryepsspwraoqcetjpnmplka foo=bar></vhilkxdosukumkwuryepsspwraoqcetjpnmplka><other_tag foo=bar></other_tag></a><other_tag foo=bar><a foo=bar></a></other_tag><some_tag foo=bar></some_tag></some_tag><other_tag foo=bar><other_tag foo=bar></other_tag></other_tag></fimlcfqpgrfgmqlvy></some_tag><some_tag foo=bar><some_tag foo=bar><eslmjazk foo=bar></eslmjazk><some_tag foo=bar><some_tag foo=bar></some_tag><i foo=bar></i><some_tag foo=bar></some_tag><tpwkibjgpffwateypjezqgaomneab foo=bar></tpwkibjgpffwateypjezqgaomneab></some_tag><a foo=bar></a><okpozscqucclyrbjantdwptdyxhqhfitkjmeduuagzhfontbgjkwbaocccreequtrdwoatikmalucrlffnustjdgeaskfekewxpwtgmgtmdhhbyvgafbyjfjtlwmiyfoetprbfmpasmdobxylzshferaxicajxawnxdxkpszeqeyqziglwbczzhbhzkpphemgqghwfbrlqhczjffzefstydpnufvoknbpvszxfrqtqhuybtayd foo=bar></okpozscqucclyrbjantdwptdyxhqhfitkjmeduuagzhfontbgjkwbaocccreequtrdwoatikmalucrlffnustjdgeaskfekewxpwtgmgtmdhhbyvgafbyjfjtlwmiyfoetprbfmpasmdobxylzshferaxicajxawnxdxkpszeqeyqziglwbczzhbhzkpphemgqghwfbrlqhczjffzefstydpnufvoknbpvszxfrqtqhuybtayd></some_tag><some_tag foo=bar></some_tag></some_tag><a foo=bar><other_tag foo=bar></other_tag></a><some_tag foo=bar></some_tag><other_tag foo=bar></other_tag></some_tag><pu foo=bar><a foo=bar><some_tag foo=bar></some_tag><some_tag foo=bar><dswgxeosxelilaawqnqeqdagheheqomtuisiwcneaoetifviqqgtkawqapggjmoadxhwxokszbrfvxzedyzeplkkceleiwkjvzzatawfaqkjuogpvocrkpzbcrqandfrxrrwkidpfoseyhjkapbnwenzvprrsmstcrwwgvzprbngzfsolnuoxltbazguzolvqkahdwqgosbrzxzaiozletuhqimihu foo=bar></dswgxeosxelilaawqnqeqdagheheqomtuisiwcneaoetifviqqgtkawqapggjmoadxhwxokszbrfvxzedyzeplkkceleiwkjvzzatawfaqkjuogpvocrkpzbcrqandfrxrrwkidpfoseyhjkapbnwenzvprrsmstcrwwgvzprbngzfsolnuoxltbazguzolvqkahdwqgosbrzxzaiozletuhqimihu></some_tag><qozyyy foo=bar></qozyyy></a><other_tag foo=bar><other_tag foo=bar></other_tag></other_tag><a foo=bar><some_tag foo=bar></some_tag></a><auwvp foo=bar><pdwznxmyechrdlyirpz foo=bar><some_tag foo=bar></some_tag></pdwznxmyechrdlyirpz><some_tag foo=bar><hetkrhunm foo=bar></hetkrhunm><ivaxkibutldrsmqncviihdarsmhezhijyculvmkefbsnxfbxdfzizxkediuvjpplcyhallsjvnrxjkmrjinexelrqirrixajcpqsdtdkvajlktotwzxawuterepyyvtoywpcbiwihdkrirrgbbwguqrgcybhxxyraobyyui foo=bar></ivaxkibutldrsmqncviihdarsmhezhijyculvmkefbsnxfbxdfzizxkediuvjpplcyhallsjvnrxjkmrjinexelrqirrixajcpqsdtdkvajlktotwzxawuterepyyvtoywpcbiwihdkrirrgbbwguqrgcybhxxyraobyyui></some_tag></auwvp><other_tag foo=bar></other_tag><other_tag foo=bar></other_tag></pu><tjntyubedfylkigrecanowgsmvxguybllkyrdfntpodukwzojuztpwmqijrltm foo=bar></tjntyubedfylkigrecanowgsmvxguybllkyrdfntpodukwzojuztpwmqijrltm></some_tag><ztnairlelhvuujacjepxegwehtrfkawgggwbanfwheyjdmqlxicwvbtel foo=bar></ztnairlelhvuujacjepxegwehtrfkawgggwbanfwheyjdmqlxicwvbtel><othe>'
    ';
--- config
    location /t {
        content_by_lua '
            ngx.say("hello world")
        ';
    }
--- request
GET /t
--- response_body
res: true
--- no_error_log
[error]
--- must_die
--- error_log eval
qr/\[emerg\] \d+#\d+: unexpected "A" in/



=== TEST 47: cosocket does not exit on worker_shutdown_timeout
--- main_config
worker_shutdown_timeout 1;
--- config
location /t {
    content_by_lua_block {
        local function thread_func()
            local sock = ngx.socket.tcp()
            local ok, err = sock:connect("127.0.0.1", 65110)
            local bytes, err = sock:send("hello")
            if bytes ~= 5 then
                sock:close()
                return ngx.exit(500)
            end

            local data, err = sock:receive(20)
            local line, err, partial = sock:receive()
            if not line then
                ngx.log(ngx.ERR, "failed to read a line: ", err)
                return
            end

            ngx.log(ngx.ERR, "successfully read a line: ", line)
        end

        local function timer_func()
            ngx.thread.spawn(thread_func)
        end

        ngx.timer.at(1, timer_func)
        ngx.say("Hello world")
    }
}
--- request
    GET /t
--- response_body
Hello world
--- shutdown_error_log eval
my $expr;

if ($ENV{TEST_NGINX_USE_HTTP3}) {
    $expr = qr|lua close the global Lua VM|
} else {
    $expr = qr|failed to read a line: closed|
}

$expr;
--- timeout: 1.2
--- skip_eval: 2:$ENV{TEST_NGINX_USE_HTTP3}



=== TEST 48: nginx crashes when encountering an illegal http if header
crash with ngx.send_headers()
--- main_config
--- config
error_page 412 /my_error_handler_412;

location /t {
    rewrite_by_lua_block {
        ngx.send_headers()
        -- ngx.print() -- this also triggers the bug
    }
}
location = /my_error_handler_412 {
    return 412 "hello";
}
--- request
    GET /t
--- more_headers
If-Match: 1
--- error_code: 412
--- response_body eval
qr/\Ahello\z/



=== TEST 49: nginx crashes when encountering an illegal http if header
crash with ngx.print()
--- main_config
--- config
error_page 412 /my_error_handler_412;

location /t {
    rewrite_by_lua_block {
        ngx.print()
    }
}
location = /my_error_handler_412 {
    return 412 "hello";
}
--- request
    GET /t
--- more_headers
If-Match: 1
--- error_code: 412
--- response_body eval
qr/\Ahello\z/