Mercurial > hg > nginx-tests
annotate proxy_cache_lock_ssi.t @ 1571:1b4ceab9cb1c
Tests: fixed ssl_certificate.t with LibreSSL client.
Net::SSLeay::connect() that manages TLS handshake could return unexpected
error when receiving server alert, as seen in server certificate tests if
it could not been selected. Typically, it returns the expected error -1,
but with certain libssl implementations it can be 0, as explained below.
The error is propagated from libssl's SSL_connect(), which is usually -1.
In modern OpenSSL versions, it is the default error code used in the state
machine returned when something went wrong with parsing TLS message header.
In versions up to OpenSSL 1.0.2, with SSLv23_method() used by default, -1
is the only error code in the ssl_connect() method implementation which is
used as well if receiving alert while parsing ServerHello. BoringSSL also
seems to return -1. But it is not so with LibreSSL that returns zero.
Previously, tests failed with client built with LibreSSL with SSLv3 removed.
Here, the error is propagated directly from ssl_read_bytes() method, which
is always implemented as ssl3_read_bytes() in all TLS methods. It could be
also seen with OpenSSL up to 1.0.2 with non-default methods explicitly set.
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Fri, 29 May 2020 23:10:20 +0300 |
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1 #!/usr/bin/perl |
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2 |
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3 # (C) Maxim Dounin |
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4 |
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5 # Tests for http proxy cache lock with subrequests. |
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6 |
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7 ############################################################################### |
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8 |
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9 use warnings; |
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10 use strict; |
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11 |
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12 use Test::More; |
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13 |
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14 BEGIN { use FindBin; chdir($FindBin::Bin); } |
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15 |
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16 use lib 'lib'; |
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17 use Test::Nginx qw/ :DEFAULT http_end /; |
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18 |
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19 ############################################################################### |
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20 |
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21 select STDERR; $| = 1; |
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22 select STDOUT; $| = 1; |
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23 |
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24 my $t = Test::Nginx->new()->has(qw/http proxy cache ssi/) |
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25 ->write_file_expand('nginx.conf', <<'EOF')->plan(2); |
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26 |
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27 %%TEST_GLOBALS%% |
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28 |
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29 daemon off; |
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30 |
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31 events { |
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32 } |
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33 |
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34 http { |
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35 %%TEST_GLOBALS_HTTP%% |
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36 |
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37 proxy_cache_path %%TESTDIR%%/cache levels=1:2 |
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38 keys_zone=NAME:1m; |
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39 |
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40 limit_req_zone $binary_remote_addr zone=one:1m rate=1r/m; |
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41 |
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42 server { |
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43 listen 127.0.0.1:8080; |
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44 server_name localhost; |
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45 |
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46 location / { |
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47 proxy_pass http://127.0.0.1:8081; |
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48 proxy_cache NAME; |
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49 |
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50 proxy_cache_lock on; |
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51 proxy_cache_lock_timeout 100ms; |
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52 |
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53 proxy_read_timeout 3s; |
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54 } |
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55 |
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56 location = /ssi.html { |
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57 ssi on; |
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58 } |
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59 } |
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60 |
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61 server { |
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62 listen 127.0.0.1:8081; |
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63 server_name localhost; |
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64 limit_req zone=one burst=5; |
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65 } |
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66 |
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67 } |
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68 |
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69 EOF |
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70 |
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71 $t->write_file('ssi.html', |
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72 '<!--#include virtual="/active" -->' . |
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73 '<!--#include virtual="/locked" -->' . |
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74 'end' |
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75 ); |
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76 |
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77 $t->write_file('active', 'active'); |
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78 $t->write_file('locked', 'locked'); |
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79 |
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80 $t->run(); |
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81 |
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82 ############################################################################### |
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83 |
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84 # problem: if proxy cache lock wakeup happens in an inactive |
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85 # subrequest, just a connection write event may not trigger any |
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86 # further work |
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87 |
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88 # main request -> subrequest /active (waiting for a backend), |
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89 # -> subrequest /locked (locked by another request) |
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90 |
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91 # this doesn't result in an infinite timeout as second subrequest |
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92 # is woken up by the postpone filter once first subrequest completes, |
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93 # but this is suboptimal behaviour |
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94 |
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95 http_get('/charge'); |
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96 my $start = time(); |
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97 |
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98 my $s = http_get('/locked', start => 1); |
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99 select undef, undef, undef, 0.2; |
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100 |
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101 like(http_get('/ssi.html'), qr/end/, 'cache lock ssi'); |
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102 http_end($s); |
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103 cmp_ok(time() - $start, '<=', 5, 'parallel execution after lock timeout'); |
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104 |
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105 ############################################################################### |