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annotate quic_migration.t @ 1893:6dcf5a1df790

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Tests: basic QUIC connection migration tests.
author Sergey Kandaurov <pluknet@nginx.com>
date Tue, 23 May 2023 18:55:06 +0400
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children 8b74936ff2ac
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6dcf5a1df790 Tests: basic QUIC connection migration tests.
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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 quic connection migration.
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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 use Test::Nginx::HTTP3;
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20
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21 ###############################################################################
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22
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23 select STDERR; $| = 1;
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24 select STDOUT; $| = 1;
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25
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26 eval { require Crypt::Misc; die if $Crypt::Misc::VERSION < 0.067; };
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27 plan(skip_all => 'CryptX version >= 0.067 required') if $@;
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28
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29 plan(skip_all => '127.0.0.20 local address required')
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30 unless defined IO::Socket::INET->new( LocalAddr => '127.0.0.20' );
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31
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32 my $t = Test::Nginx->new()->has(qw/http http_v3/)
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33 ->has_daemon('openssl')->plan(2);
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34
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35 $t->write_file_expand('nginx.conf', <<'EOF');
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36
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37 %%TEST_GLOBALS%%
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38
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39 daemon off;
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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:%%PORT_8980_UDP%% quic;
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52 server_name localhost;
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53
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54 location / {
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55 add_header X-IP $remote_addr;
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56 }
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57 }
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58 }
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59
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60 EOF
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61
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62 $t->write_file('openssl.conf', <<EOF);
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63 [ req ]
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64 default_bits = 2048
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65 encrypt_key = no
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66 distinguished_name = req_distinguished_name
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67 [ req_distinguished_name ]
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68 EOF
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69
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70 my $d = $t->testdir();
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71
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72 foreach my $name ('localhost') {
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73 system('openssl req -x509 -new '
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74 . "-config $d/openssl.conf -subj /CN=$name/ "
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75 . "-out $d/$name.crt -keyout $d/$name.key "
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76 . ">>$d/openssl.out 2>&1") == 0
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77 or die "Can't create certificate for $name: $!\n";
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78 }
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79
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80 $t->write_file('index.html', '');
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81 $t->run();
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82
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83 ###############################################################################
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84
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85 # test that $remote_addr is not truncated after migration (ticket #2488),
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86 # to test, we migrate to another address large enough in text representation,
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87 # then send a request on the new path
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88
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89 my $s = Test::Nginx::HTTP3->new();
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90 $s->new_connection_id(1, 0, "connection_id_1", "reset_token_0001");
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91
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92 my $frames = $s->read(all => [{ type => 'NCID' }]);
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93 my ($frame) = grep { $_->{type} eq "NCID" } @$frames;
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94
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95 $s->{socket} = IO::Socket::INET->new(
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96 Proto => "udp",
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97 LocalAddr => '127.0.0.20',
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98 PeerAddr => '127.0.0.1:' . port(8980),
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99 );
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100 $s->{scid} = "connection_id_1";
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101 $s->{dcid} = $frame->{cid};
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102 $s->ping();
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103
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104 $frames = $s->read(all => [{ type => 'PATH_CHALLENGE' }]);
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105 ($frame) = grep { $_->{type} eq "PATH_CHALLENGE" } @$frames;
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106 $s->path_response($frame->{data});
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107
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108 $frames = $s->read(all => [{ sid => $s->new_stream(), fin => 1 }]);
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109 ($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
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110 is($frame->{headers}{'x-ip'}, '127.0.0.20', 'remote addr after migration');
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111
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112 # test that $remote_addr is not truncated while in the process of migration;
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113 # the same but migration occurs on receiving a request stream itself,
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114 # which is the first non-probing frame on the new path;
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115 # this might lead to $remote_addr truncation in the following order:
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116 # - stream held original sockaddr/addr_text references on stream creation
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117 # - values were rewritten as part of handling connection migration
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118 # - stream was handled referencing rewritten values, with old local lengths
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119 # sockaddr and addr_text are expected to keep copies on stream creation
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120
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121 $s = Test::Nginx::HTTP3->new();
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122 $s->new_connection_id(1, 0, "connection_id_1", "reset_token_0001");
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123
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124 $frames = $s->read(all => [{ type => 'NCID' }]);
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125 ($frame) = grep { $_->{type} eq "NCID" } @$frames;
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126
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127 $s->{socket} = IO::Socket::INET->new(
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128 Proto => "udp",
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129 LocalAddr => '127.0.0.20',
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130 PeerAddr => '127.0.0.1:' . port(8980),
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131 );
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132 $s->{scid} = "connection_id_1";
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133 $s->{dcid} = $frame->{cid};
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134
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135 $frames = $s->read(all => [{ sid => $s->new_stream(), fin => 1 }]);
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136 ($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
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137 is($frame->{headers}{'x-ip'}, '127.0.0.1', 'remote addr on migration');
6dcf5a1df790 Tests: basic QUIC connection migration tests.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff changeset
138
6dcf5a1df790 Tests: basic QUIC connection migration tests.
Sergey Kandaurov <pluknet@nginx.com>
parents:
diff changeset
139 ###############################################################################