Mercurial > hg > nginx-tests
comparison http_resolver_cleanup.t @ 1098:bb1974010d0a
Tests: resolver cleanup tests.
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Mon, 19 Dec 2016 13:46:55 +0300 |
parents | |
children | 78cb8e66b6bc |
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1097:a5f9c878c3ab | 1098:bb1974010d0a |
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1 #!/usr/bin/perl | |
2 | |
3 # (C) Sergey Kandaurov | |
4 # (C) Nginx, Inc. | |
5 | |
6 # Tests for http resolver, worker process termination. | |
7 | |
8 ############################################################################### | |
9 | |
10 use warnings; | |
11 use strict; | |
12 | |
13 use Test::More; | |
14 | |
15 BEGIN { use FindBin; chdir($FindBin::Bin); } | |
16 | |
17 use lib 'lib'; | |
18 use Test::Nginx; | |
19 | |
20 ############################################################################### | |
21 | |
22 select STDERR; $| = 1; | |
23 select STDOUT; $| = 1; | |
24 | |
25 my $t = Test::Nginx->new()->has(qw/http proxy/)->plan(1); | |
26 | |
27 $t->write_file_expand('nginx.conf', <<'EOF'); | |
28 | |
29 %%TEST_GLOBALS%% | |
30 | |
31 daemon off; | |
32 | |
33 events { | |
34 } | |
35 | |
36 http { | |
37 %%TEST_GLOBALS_HTTP%% | |
38 | |
39 server { | |
40 listen 127.0.0.1:8080; | |
41 server_name localhost; | |
42 | |
43 location / { | |
44 resolver 127.0.0.1:%%PORT_8081_UDP%%; | |
45 proxy_pass http://example.net/$args; | |
46 } | |
47 | |
48 location /pid { | |
49 add_header X-Pid $pid always; | |
50 } | |
51 } | |
52 } | |
53 | |
54 EOF | |
55 | |
56 $t->run_daemon(\&dns_daemon, $t); | |
57 $t->run()->waitforfile($t->testdir . '/' . port(8081)); | |
58 | |
59 ############################################################################### | |
60 | |
61 my ($s); | |
62 | |
63 TODO: { | |
64 todo_skip 'use-after-free', 1 unless $ENV{TEST_NGINX_UNSAFE} | |
65 or $t->has_version('1.11.8'); | |
66 | |
67 # truncated UDP response, no response over TCP | |
68 | |
69 $s = http_get('/', start => 1); | |
70 | |
71 pass('request'); | |
72 | |
73 sleep 1; | |
74 | |
75 } | |
76 | |
77 # use-after-free in worker on fast shutdown | |
78 | |
79 http_get('/pid') =~ qr/X-Pid: (\d+)/; | |
80 kill 'TERM', $1; | |
81 | |
82 ############################################################################### | |
83 | |
84 sub dns_daemon { | |
85 my ($t) = @_; | |
86 my ($data); | |
87 | |
88 my $socket = IO::Socket::INET->new( | |
89 LocalAddr => '127.0.0.1', | |
90 LocalPort => port(8081), | |
91 Proto => 'udp', | |
92 ) | |
93 or die "Can't create UDP socket: $!\n"; | |
94 | |
95 # signal we are ready | |
96 | |
97 open my $fh, '>', $t->testdir() . '/' . port(8081); | |
98 close $fh; | |
99 | |
100 while (1) { | |
101 $socket->recv($data, 65536); | |
102 # truncation bit set | |
103 $data |= pack("n2", 0, 0x8380); | |
104 $socket->send($data); | |
105 } | |
106 } | |
107 | |
108 ############################################################################### |