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annotate fastcgi_unix.t @ 1961:fe6f22da53ec default tip

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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 $content_length variable is used when proxying with fastcgi_pass, grpc_pass, and uwsgi_pass (scgi_pass uses the value calculated based on the actual request body buffers, and therefore works correctly).
author Maxim Dounin <mdounin@mdounin.ru>
date Sat, 27 Apr 2024 18:55:50 +0300
parents 882267679006
children
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1 #!/usr/bin/perl
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2
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3 # (C) Maxim Dounin
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4 # (C) Sergey Kandaurov
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5 # (C) Nginx, Inc.
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6
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7 # Test for fastcgi backend with unix socket.
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8
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9 ###############################################################################
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10
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11 use warnings;
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12 use strict;
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13
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14 use Test::More;
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15
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16 BEGIN { use FindBin; chdir($FindBin::Bin); }
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17
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18 use lib 'lib';
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19 use Test::Nginx;
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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 FCGI; };
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27 plan(skip_all => 'FCGI not installed') if $@;
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28 plan(skip_all => 'win32') if $^O eq 'MSWin32';
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29
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30 eval { require IO::Socket::UNIX; };
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31 plan(skip_all => 'IO::Socket::UNIX not installed') if $@;
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32
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33 my $t = Test::Nginx->new()->has(qw/http fastcgi unix/)->plan(6)
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34 ->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
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40 events {
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41 }
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42
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43 http {
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44 %%TEST_GLOBALS_HTTP%%
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45
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46 upstream u {
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47 server 127.0.0.1:8081;
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48 }
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49
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50 server {
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51 listen 127.0.0.1:8080;
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52 server_name localhost;
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53
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54 location / {
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55 fastcgi_pass unix:%%TESTDIR%%/unix.sock;
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56 fastcgi_param REQUEST_URI $request_uri;
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57 }
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58
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59 location /var {
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60 fastcgi_pass $arg_b;
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61 fastcgi_param REQUEST_URI $request_uri;
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62 }
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63 }
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64 }
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65
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66 EOF
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67
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68 my $path = $t->testdir() . '/unix.sock';
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69
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70 $t->run_daemon(\&fastcgi_daemon, $path);
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71 $t->run();
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72
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73 # wait for unix socket to appear
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74
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75 for (1 .. 50) {
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76 last if -S $path;
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77 select undef, undef, undef, 0.1;
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78 }
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79
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80 ###############################################################################
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81
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82 like(http_get('/'), qr/SEE-THIS/, 'fastcgi request');
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83 like(http_get('/redir'), qr/ 302 /, 'fastcgi redirect');
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84 like(http_get('/'), qr/^3$/m, 'fastcgi third request');
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85
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86 unlike(http_head('/'), qr/SEE-THIS/, 'no data in HEAD');
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87
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88 like(http_get('/stderr'), qr/SEE-THIS/, 'large stderr handled');
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89
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90 like(http_get("/var?b=unix:$path"), qr/SEE-THIS/, 'fastcgi with variables');
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91
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92 ###############################################################################
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93
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94 sub fastcgi_daemon {
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95 my $socket = FCGI::OpenSocket(shift, 5);
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96 my $request = FCGI::Request(\*STDIN, \*STDOUT, \*STDERR, \%ENV,
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97 $socket);
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98
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99 my $count;
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100 while( $request->Accept() >= 0 ) {
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101 $count++;
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102
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103 if ($ENV{REQUEST_URI} eq '/stderr') {
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104 warn "sample stderr text" x 512;
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105 }
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106
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107 print <<EOF;
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108 Location: http://localhost/redirect
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109 Content-Type: text/html
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110
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111 SEE-THIS
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112 $count
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113 EOF
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114 }
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115
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116 FCGI::CloseSocket($socket);
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117 }
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118
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119 ###############################################################################