annotate fastcgi_body2.t @ 1961:fe6f22da53ec default tip

Tests: tests for usage of discarded body. The client_max_body_size limit should be ignored when the request body is already discarded. In HTTP/1.x, this is done by checking the r->discard_body flag when the body is being discarded, and because r->headers_in.content_length_n is 0 when it's already discarded. This, however, does not happen with HTTP/2 and HTTP/3, and therefore "error_page 413" does not work without relaxing the limit. Further, with proxy_pass, r->headers_in.content_length_n is used to determine length of the request body, and therefore is not correct if discarding of the request body isn't yet complete. While discarding the request body, r->headers_in.content_length_n contains the rest of the body to discard (or, in case of chunked request body, the rest of the current chunk to discard). Similarly, the $content_length variable uses r->headers_in.content_length if available, and also incorrect. The $content_length variable is used when proxying with fastcgi_pass, grpc_pass, and uwsgi_pass (scgi_pass uses the value calculated based on the actual request body buffers, and therefore works correctly).
author Maxim Dounin <mdounin@mdounin.ru>
date Sat, 27 Apr 2024 18:55:50 +0300
parents 42d9fd20eeb6
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/perl
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2
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3 # (C) Maxim Dounin
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4 # (C) Sergey Kandaurov
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5 # (C) Nginx, Inc.
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6
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7 # Test for fastcgi backend with large request body,
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8 # with fastcgi_next_upstream directive.
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9
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10 ###############################################################################
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11
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12 use warnings;
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13 use strict;
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14
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15 use Test::More;
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16
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17 BEGIN { use FindBin; chdir($FindBin::Bin); }
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18
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19 use lib 'lib';
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20 use Test::Nginx;
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21
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22 ###############################################################################
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23
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24 select STDERR; $| = 1;
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25 select STDOUT; $| = 1;
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26
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27 eval { require FCGI; };
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28 plan(skip_all => 'FCGI not installed') if $@;
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29 plan(skip_all => 'win32') if $^O eq 'MSWin32';
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30
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31 my $t = Test::Nginx->new()->has(qw/http fastcgi/)->plan(2)
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32 ->write_file_expand('nginx.conf', <<'EOF');
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33
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34 %%TEST_GLOBALS%%
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35
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36 daemon off;
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37
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38 events {
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39 }
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40
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41 http {
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42 %%TEST_GLOBALS_HTTP%%
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43
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44 upstream u {
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45 server 127.0.0.1:8081;
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46 server 127.0.0.1:8082 backup;
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47 }
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48
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49 upstream u2 {
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50 server 127.0.0.1:8081;
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51 server 127.0.0.1:8082 backup;
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52 }
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53
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54 server {
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55 listen 127.0.0.1:8080;
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56 server_name localhost;
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57
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58 location / {
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59 fastcgi_pass u;
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60 fastcgi_param REQUEST_URI $request_uri;
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61 fastcgi_param CONTENT_LENGTH $content_length;
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62 # fastcgi_next_upstream error timeout;
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63 fastcgi_read_timeout 1s;
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64 }
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65
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66 location /in_memory {
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67 fastcgi_pass u2;
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68 fastcgi_param REQUEST_URI $request_uri;
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69 fastcgi_param CONTENT_LENGTH $content_length;
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70 # fastcgi_next_upstream error timeout;
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71 fastcgi_read_timeout 1s;
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72 client_body_buffer_size 128k;
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73 }
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74 }
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75 }
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76
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77 EOF
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78
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79 $t->run_daemon(\&fastcgi_daemon, port(8081));
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80 $t->run_daemon(\&fastcgi_daemon, port(8082));
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81 $t->run();
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82
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83 $t->waitforsocket('127.0.0.1:' . port(8081));
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84 $t->waitforsocket('127.0.0.1:' . port(8082));
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85
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86 ###############################################################################
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87
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88 like(http_get_length('/', 'x' x 102400), qr/X-Length: 102400/,
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89 'body length - in file');
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90
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91 like(http_get_length('/in_memory', 'x' x 102400), qr/X-Length: 102400/,
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92 'body length - in memory');
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93
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94 ###############################################################################
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95
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96 sub http_get_length {
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97 my ($url, $body) = @_;
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98 my $length = length $body;
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99 return http(<<EOF);
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100 GET $url HTTP/1.0
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101 Host: localhost
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102 Content-Length: $length
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103
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104 $body
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105 EOF
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106 }
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107
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108 ###############################################################################
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109
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110 sub fastcgi_daemon {
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111 my ($port) = @_;
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112 my $socket = FCGI::OpenSocket("127.0.0.1:$port", 5);
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113 my $request = FCGI::Request(\*STDIN, \*STDOUT, \*STDERR, \%ENV,
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114 $socket);
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115
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116 while( $request->Accept() >= 0 ) {
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117 read(STDIN, my $body, $ENV{'CONTENT_LENGTH'} || 0);
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118 my $len = length $body;
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119
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120 sleep 3 if $port == port(8081);
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121
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122 print <<EOF;
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123 Location: http://localhost/redirect
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124 Content-Type: text/html
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125 X-Length: $len
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126
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127 EOF
4a045c74a77c Tests: request body test with fastcgi_next_upstream.
Sergey Kandaurov <pluknet@nginx.com>
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128 }
4a045c74a77c Tests: request body test with fastcgi_next_upstream.
Sergey Kandaurov <pluknet@nginx.com>
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129
4a045c74a77c Tests: request body test with fastcgi_next_upstream.
Sergey Kandaurov <pluknet@nginx.com>
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130 FCGI::CloseSocket($socket);
4a045c74a77c Tests: request body test with fastcgi_next_upstream.
Sergey Kandaurov <pluknet@nginx.com>
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131 }
4a045c74a77c Tests: request body test with fastcgi_next_upstream.
Sergey Kandaurov <pluknet@nginx.com>
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132
4a045c74a77c Tests: request body test with fastcgi_next_upstream.
Sergey Kandaurov <pluknet@nginx.com>
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133 ###############################################################################