annotate ssl_session_ticket_key.t @ 1816:5817625792bd

Tests: ssl session ticket key rotation tests.
author Sergey Kandaurov <pluknet@nginx.com>
date Tue, 20 Dec 2022 19:42:09 +0400
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children 0381a0a212e1
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1 #!/usr/bin/perl
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2
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3 # (C) Sergey Kandaurov
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4 # (C) Nginx, Inc.
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5
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6 # Tests for rotation of SSL session ticket keys.
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7
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8 ###############################################################################
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9
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10 use warnings;
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11 use strict;
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12
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13 use Test::More;
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14
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15 BEGIN { use FindBin; chdir($FindBin::Bin); }
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16
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17 use lib 'lib';
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18 use Test::Nginx;
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19
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20 ###############################################################################
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21
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22 select STDERR; $| = 1;
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23 select STDOUT; $| = 1;
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24
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25 eval {
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26 require Net::SSLeay; die if $Net::SSLeay::VERSION < 1.86;
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27 Net::SSLeay::load_error_strings();
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28 Net::SSLeay::SSLeay_add_ssl_algorithms();
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29 Net::SSLeay::randomize();
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30 };
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31 plan(skip_all => 'Net::SSLeay version => 1.86 required') if $@;
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32
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33 my $t = Test::Nginx->new()->has(qw/http http_ssl/)->has_daemon('openssl')
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34 ->plan(2)->write_file_expand('nginx.conf', <<'EOF');
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35
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36 %%TEST_GLOBALS%%
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37
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38 daemon off;
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39 worker_processes 2;
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40
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41 events {
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42 }
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43
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44 http {
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45 %%TEST_GLOBALS_HTTP%%
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46
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47 ssl_certificate_key localhost.key;
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48 ssl_certificate localhost.crt;
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49
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50 server {
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51 listen 127.0.0.1:8080 ssl;
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52 server_name localhost;
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53
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54 ssl_session_cache shared:SSL:1m;
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55 ssl_session_timeout 2;
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56 }
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57 }
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58
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59 EOF
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60
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61 $t->write_file('openssl.conf', <<EOF);
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62 [ req ]
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63 default_bits = 2048
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64 encrypt_key = no
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65 distinguished_name = req_distinguished_name
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66 [ req_distinguished_name ]
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67 EOF
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68
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69 my $d = $t->testdir();
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70
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71 foreach my $name ('localhost') {
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72 system('openssl req -x509 -new '
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73 . "-config $d/openssl.conf -subj /CN=$name/ "
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74 . "-out $d/$name.crt -keyout $d/$name.key "
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75 . ">>$d/openssl.out 2>&1") == 0
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76 or die "Can't create certificate for $name: $!\n";
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77 }
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78
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79 $t->run();
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80
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81 ###############################################################################
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82
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83 # the test uses multiple worker processes to check shared tickey key rotation
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84 #
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85 # before 1.23.2, any test can fail depending on which worker served connection:
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86 # the 1st test fails if served by another worker, because keys aren't shared
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87 # the 2nd test fails if served by the same worker due to the lack of rotation
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88 #
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89 # with a single worker process it is only the 2nd test that fails
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90
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91 local $TODO = 'not yet' unless $t->has_version('1.23.2');
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92
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93 my $key = get_ticket_key_name();
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94
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95 select undef, undef, undef, 0.5;
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96 is(get_ticket_key_name(), $key, 'ticket key match');
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97
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98 select undef, undef, undef, 2.5;
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99 cmp_ok(get_ticket_key_name(), 'ne', $key, 'ticket key next');
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100
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101 ###############################################################################
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102
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103 sub get_ticket_key_name {
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104 my $ses = get_ssl_session();
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105 my $asn = Net::SSLeay::i2d_SSL_SESSION($ses);
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106 my $any = qr/[\x00-\xff]/;
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107 next:
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108 # tag(10) | len{2} | OCTETSTRING(4) | len{2} | ticket(key_name|..)
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109 $asn =~ /\xaa\x81($any)\x04\x81($any)($any{16})/g;
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110 return if !defined $3;
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111 goto next if unpack("C", $1) - unpack("C", $2) != 3;
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112 my $key = unpack "H*", $3;
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113 Test::Nginx::log_core('||', "ticket key: $key");
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114 return $key;
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115 }
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116
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117 sub get_ssl_session {
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118 my ($s, $ssl) = get_ssl_socket();
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119
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120 Net::SSLeay::write($ssl, <<EOF);
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121 GET / HTTP/1.0
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122 Host: localhost
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123
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124 EOF
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125 Net::SSLeay::read($ssl);
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126 Net::SSLeay::get_session($ssl);
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127 }
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128
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129 sub get_ssl_socket {
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130 my $s = IO::Socket::INET->new('127.0.0.1:' . port(8080));
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131 my $ctx = Net::SSLeay::CTX_new() or die("Failed to create SSL_CTX $!");
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132 my $ssl = Net::SSLeay::new($ctx) or die("Failed to create SSL $!");
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133 Net::SSLeay::set_fd($ssl, fileno($s));
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134 Net::SSLeay::connect($ssl) or die("ssl connect");
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135 return ($s, $ssl);
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136 }
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137
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138 ###############################################################################