Mercurial > hg > nginx-tests

annotate lib/Test/Nginx/SMTP.pm @ 1825:3629eda94c1b

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Tests: handling of EWOULDBLOCK from sysread() with IO::Socket::SSL. With IO::Socket::SSL, when select() reports that the socket is readable, reading from it might still fail with EWOULDBLOCK, since no application data is available in the socket. In particular, this might happen with TLSv1.3 when a session ticket is received after the handshake. Fix is to explicitly check for EWOULDBLOCK errors.
author Maxim Dounin <mdounin@mdounin.ru>
date Tue, 21 Mar 2023 02:57:39 +0300
parents d0025a0dead7
children 7b7b64569f55
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 package Test::Nginx::SMTP;
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2
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3 # (C) Maxim Dounin
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4
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5 # Module for nginx smtp tests.
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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 qw//;
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13 use IO::Select;
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14 use IO::Socket;
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15 use Socket qw/ CRLF /;
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16
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17 use Test::Nginx;
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18
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19 sub new {
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20 my $self = {};
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21 bless $self, shift @_;
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22
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23 $self->{_socket} = IO::Socket::INET->new(
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24 Proto => "tcp",
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25 PeerAddr => "127.0.0.1:" . port(8025),
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26 @_
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27 )
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28 or die "Can't connect to nginx: $!\n";
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29
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30 if ({@_}->{'SSL'}) {
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31 require IO::Socket::SSL;
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32 IO::Socket::SSL->start_SSL($self->{_socket}, @_)
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33 or die $IO::Socket::SSL::SSL_ERROR . "\n";
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34 }
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35
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36 $self->{_socket}->autoflush(1);
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37 $self->{_read_buffer} = '';
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38
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39 return $self;
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40 }
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41
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42 sub eof {
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43 my $self = shift;
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44 return $self->{_socket}->eof();
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45 }
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46
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47 sub print {
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48 my ($self, $cmd) = @_;
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49 log_out($cmd);
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50 $self->{_socket}->print($cmd);
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51 }
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52
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53 sub send {
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54 my ($self, $cmd) = @_;
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55 log_out($cmd);
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56 $self->{_socket}->print($cmd . CRLF);
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57 }
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58
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59 sub getline {
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60 my ($self) = @_;
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61 my $socket = $self->{_socket};
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62
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63 if ($self->{_read_buffer} =~ /^(.*?\x0a)(.*)/ms) {
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64 $self->{_read_buffer} = $2;
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65 return $1;
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66 }
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67
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68 while (IO::Select->new($socket)->can_read(8)) {
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69 $socket->blocking(0);
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70 my $n = $socket->sysread(my $buf, 1024);
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71 my $again = !defined $n && $!{EWOULDBLOCK};
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72 $socket->blocking(1);
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73 next if $again;
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74 last unless $n;
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75
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76 $self->{_read_buffer} .= $buf;
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77
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78 if ($self->{_read_buffer} =~ /^(.*?\x0a)(.*)/ms) {
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79 $self->{_read_buffer} = $2;
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80 return $1;
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81 }
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82 };
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83 }
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84
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85 sub read {
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86 my ($self) = @_;
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87 my $socket = $self->{_socket};
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88
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89 while (defined($_ = $self->getline())) {
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90 log_in($_);
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91 next if m/^\d\d\d-/;
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92 last;
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93 }
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94
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95 return $_;
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96 }
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97
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98 sub check {
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99 my ($self, $regex, $name) = @_;
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100 Test::More->builder->like($self->read(), $regex, $name);
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101 }
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102
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103 sub ok {
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104 my $self = shift;
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105 Test::More->builder->like($self->read(), qr/^2\d\d /, @_);
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106 }
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107
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108 sub authok {
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109 my $self = shift;
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110 Test::More->builder->like($self->read(), qr/^235 /, @_);
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111 }
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112
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113 sub can_read {
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114 my ($self, $timo) = @_;
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115 IO::Select->new($self->{_socket})->can_read($timo || 3);
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116 }
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117
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118 ###############################################################################
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119
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120 sub smtp_test_daemon {
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121 my ($port) = @_;
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122 my $proxy_protocol;
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123
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124 my $server = IO::Socket::INET->new(
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125 Proto => 'tcp',
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126 LocalAddr => '127.0.0.1:' . ($port || port(8026)),
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127 Listen => 5,
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128 Reuse => 1
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129 )
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130 or die "Can't create listening socket: $!\n";
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131
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132 while (my $client = $server->accept()) {
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133 $client->autoflush(1);
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134 print $client "220 fake esmtp server ready" . CRLF;
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135
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136 $proxy_protocol = '';
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137
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138 while (<$client>) {
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Maxim Dounin <mdounin@mdounin.ru>
parents: 60
diff changeset
139 Test::Nginx::log_core('||', $_);
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140
26
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diff changeset
141 if (/^quit/i) {
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142 print $client '221 quit ok' . CRLF;
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143 } elsif (/^(ehlo|helo)/i) {
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144 print $client '250 hello ok' . CRLF;
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parents: 14
diff changeset
145 } elsif (/^rset/i) {
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parents: 14
diff changeset
146 print $client '250 rset ok' . CRLF;
1599
4e0644119341 Tests: proxy_smtp_auth directive tests.
Sergey Kandaurov <pluknet@nginx.com>
parents: 1423
diff changeset
147 } elsif (/^auth plain/i) {
4e0644119341 Tests: proxy_smtp_auth directive tests.
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148 print $client '235 auth ok' . CRLF;
26
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149 } elsif (/^mail from:[^@]+$/i) {
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150 print $client '500 mail from error' . CRLF;
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diff changeset
151 } elsif (/^mail from:/i) {
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diff changeset
152 print $client '250 mail from ok' . CRLF;
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diff changeset
153 } elsif (/^rcpt to:[^@]+$/i) {
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parents: 14
diff changeset
154 print $client '500 rcpt to error' . CRLF;
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parents: 14
diff changeset
155 } elsif (/^rcpt to:/i) {
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parents: 14
diff changeset
156 print $client '250 rcpt to ok' . CRLF;
68
5f56040c39df Tests: smtp xclient tests.
Maxim Dounin <mdounin@mdounin.ru>
parents: 60
diff changeset
157 } elsif (/^xclient/i) {
5f56040c39df Tests: smtp xclient tests.
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parents: 60
diff changeset
158 print $client '220 xclient ok' . CRLF;
1660
068c30e9d2c6 Tests: smtp tests with proxy protocol to backend.
Sergey Kandaurov <pluknet@nginx.com>
parents: 1599
diff changeset
159 } elsif (/^proxy/i) {
068c30e9d2c6 Tests: smtp tests with proxy protocol to backend.
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parents: 1599
diff changeset
160 $proxy_protocol = $_;
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parents: 1599
diff changeset
161 } elsif (/^xproxy/i) {
068c30e9d2c6 Tests: smtp tests with proxy protocol to backend.
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parents: 1599
diff changeset
162 print $client '211 ' . $proxy_protocol . CRLF;
26
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diff changeset
163 } else {
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parents: 14
diff changeset
164 print $client "500 unknown command" . CRLF;
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parents: 14
diff changeset
165 }
539
3fcad5e66735 Tests: whitespace fixes in mail modules.
Sergey Kandaurov <pluknet@nginx.com>
parents: 526
diff changeset
166 }
26
0880e0fafde4 Tests: implement smtp test backend and use it.
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parents: 14
diff changeset
167
0880e0fafde4 Tests: implement smtp test backend and use it.
Maxim Dounin <mdounin@mdounin.ru>
parents: 14
diff changeset
168 close $client;
0880e0fafde4 Tests: implement smtp test backend and use it.
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parents: 14
diff changeset
169 }
0880e0fafde4 Tests: implement smtp test backend and use it.
Maxim Dounin <mdounin@mdounin.ru>
parents: 14
diff changeset
170 }
0880e0fafde4 Tests: implement smtp test backend and use it.
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parents: 14
diff changeset
171
0880e0fafde4 Tests: implement smtp test backend and use it.
Maxim Dounin <mdounin@mdounin.ru>
parents: 14
diff changeset
172 ###############################################################################
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parents: 14
diff changeset
173
5
4d75bdb05ecf Tests: some generic code and ssi tests.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
174 1;
4d75bdb05ecf Tests: some generic code and ssi tests.
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parents:
diff changeset
175
4d75bdb05ecf Tests: some generic code and ssi tests.
Maxim Dounin <mdounin@mdounin.ru>
parents:
diff changeset
176 ###############################################################################