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annotate h3_max_headers.t @ 1983:c7315caf2110

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Tests: optimized processing of large QUIC packets with padding. Path MTU discovery packets might contain a lot of padding, and creating a copy of the whole buffer for each PADDING frame, which is just one byte with type 0, consumes lots of resources. This was seen to result in flapping of at least h3_keepalive.t and h3_ssl_early_data.t tests. Fix is to copy at most 8 bytes for parse_int() calls when parsing frame types.
author Maxim Dounin <mdounin@mdounin.ru>
date Mon, 03 Jun 2024 04:17:28 +0300
parents 2d58bb10ff5d
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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2d58bb10ff5d Tests: max_client_headers test.
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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 max_headers directive, HTTP/3.
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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 use Socket qw/ CRLF /;
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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 my $t = Test::Nginx->new()->has(qw/http http_v3 rewrite cryptx/);
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27
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28 $t->write_file_expand('nginx.conf', <<'EOF');
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29
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30 %%TEST_GLOBALS%%
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31
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32 daemon off;
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33
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34 events {
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35 }
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36
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37 http {
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38 %%TEST_GLOBALS_HTTP%%
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39
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40 ssl_certificate localhost.crt;
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41 ssl_certificate_key localhost.key;
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42
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43 server {
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44 listen 127.0.0.1:%%PORT_8980_UDP%% quic;
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45 server_name localhost;
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46
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47 max_headers 5;
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48
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49 location / {
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50 return 204;
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51 }
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52 }
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53 }
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54
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55 EOF
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56
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57 $t->write_file('openssl.conf', <<EOF);
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58 [ req ]
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59 default_bits = 2048
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60 encrypt_key = no
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61 distinguished_name = req_distinguished_name
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62 [ req_distinguished_name ]
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63 EOF
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64
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65 my $d = $t->testdir();
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66
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67 foreach my $name ('localhost') {
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68 system('openssl req -x509 -new '
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69 . "-config $d/openssl.conf -subj /CN=$name/ "
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70 . "-out $d/$name.crt -keyout $d/$name.key "
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71 . ">>$d/openssl.out 2>&1") == 0
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72 or die "Can't create certificate for $name: $!\n";
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73 }
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74
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75 $t->try_run('no max_headers')->plan(3);
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76
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77 ###############################################################################
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78
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79 like(get('/'), qr/ 204/, 'two headers');
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80 like(get('/', ('Foo: bar') x 3), qr/ 204/, 'five headers');
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81 like(get('/', ('Foo: bar') x 4), qr/ 400/, 'six headers rejected');
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82
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83 ###############################################################################
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84
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85 sub get {
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86 my ($url, @headers) = @_;
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87
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88 my $s = Test::Nginx::HTTP3->new();
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89 my $sid = $s->new_stream({
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90 headers => [
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91 { name => ':method', value => 'GET' },
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92 { name => ':scheme', value => 'http' },
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93 { name => ':path', value => $url },
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94 { name => ':authority', value => 'localhost' },
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95 { name => 'foo', value => 'bar' },
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96 { name => 'foo', value => 'bar' },
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97 map {
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98 my ($n, $v) = split /:/;
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99 { name => lc $n, value => $v };
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100 } @headers
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101 ]
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102 });
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103
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104 my $frames = $s->read(all => [{ sid => $sid, fin => 1 }]);
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105
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106 my ($frame) = grep { $_->{type} eq "HEADERS" } @$frames;
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107
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108 return join("\n", map { "$_: " . $frame->{headers}->{$_}; }
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109 keys %{$frame->{headers}});
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110 }
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111
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112 ###############################################################################