Mercurial > hg > nginx-tests
annotate mail_resolver.t @ 875:c380b4b7e2e4
Tests: compatibility with perl < 5.12 in Stream.pm.
author | Andrey Zelenkov <zelenkov@nginx.com> |
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date | Tue, 22 Mar 2016 18:50:56 +0300 |
parents | b87c6acf0e4b |
children | 0654d7315b52 |
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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 mail resolver. |
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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::SMTP; |
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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 local $SIG{PIPE} = 'IGNORE'; |
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27 |
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28 my $t = Test::Nginx->new()->has(qw/mail smtp http rewrite/) |
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29 ->run_daemon(\&Test::Nginx::SMTP::smtp_test_daemon); |
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30 |
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31 $t->write_file_expand('nginx.conf', <<'EOF'); |
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32 |
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33 %%TEST_GLOBALS%% |
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34 |
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35 daemon off; |
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36 |
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37 events { |
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38 } |
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39 |
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40 mail { |
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41 auth_http http://127.0.0.1:8080/mail/auth; |
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42 smtp_auth none; |
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43 server_name locahost; |
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44 |
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45 # prevent useless resend |
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46 resolver_timeout 1s; |
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47 |
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48 server { |
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49 listen 127.0.0.1:8025; |
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50 protocol smtp; |
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51 resolver 127.0.0.1:8081 127.0.0.1:8082 127.0.0.1:8083; |
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52 } |
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53 |
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54 server { |
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55 listen 127.0.0.1:8027; |
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56 protocol smtp; |
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57 resolver 127.0.0.1:8082; |
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58 } |
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59 |
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60 server { |
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61 listen 127.0.0.1:8028; |
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62 protocol smtp; |
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63 resolver 127.0.0.1:8083; |
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64 |
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65 } |
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66 |
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67 server { |
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68 listen 127.0.0.1:8029; |
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69 protocol smtp; |
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70 resolver 127.0.0.1:8084; |
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71 } |
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72 |
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73 server { |
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74 listen 127.0.0.1:8030; |
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75 protocol smtp; |
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76 resolver 127.0.0.1:8085; |
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77 } |
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78 |
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79 server { |
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80 listen 127.0.0.1:8031; |
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81 protocol smtp; |
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82 resolver 127.0.0.1:8086; |
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83 } |
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84 |
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85 server { |
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86 listen 127.0.0.1:8032; |
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87 protocol smtp; |
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88 resolver 127.0.0.1:8087; |
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89 } |
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90 |
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91 } |
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92 |
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93 http { |
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94 %%TEST_GLOBALS_HTTP%% |
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95 |
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96 server { |
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97 listen 127.0.0.1:8080; |
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98 server_name localhost; |
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99 |
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100 location = /mail/auth { |
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101 set $reply $http_client_host; |
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102 |
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103 if ($http_client_host !~ UNAVAIL) { |
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104 set $reply OK; |
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105 } |
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106 |
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107 add_header Auth-Status $reply; |
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108 add_header Auth-Server 127.0.0.1; |
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109 add_header Auth-Port 8026; |
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110 return 204; |
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111 } |
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112 } |
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113 } |
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114 |
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115 EOF |
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116 |
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117 for (8081 .. 8087) { |
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118 $t->run_daemon(\&dns_daemon, $_, $t); |
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119 } |
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120 $t->run(); |
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121 |
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122 for (8081 .. 8087) { |
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123 $t->waitforfile($t->testdir . "/$_"); |
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124 } |
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125 |
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126 $t->plan(8); |
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127 |
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128 ############################################################################### |
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129 |
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130 # PTR |
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131 |
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132 my $s = Test::Nginx::SMTP->new(); |
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133 $s->read(); |
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134 $s->send('EHLO example.com'); |
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135 $s->read(); |
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136 $s->send('MAIL FROM:<test@example.com> SIZE=100'); |
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137 $s->read(); |
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138 |
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139 $s->send('RCPT TO:<test@example.com>'); |
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140 $s->ok('PTR'); |
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141 |
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142 $s->send('QUIT'); |
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143 $s->read(); |
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144 |
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145 # Cached PTR prevents from querying bad ns on port 8083 |
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146 |
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147 $s = Test::Nginx::SMTP->new(); |
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148 $s->read(); |
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149 $s->send('EHLO example.com'); |
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150 $s->read(); |
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151 $s->send('MAIL FROM:<test@example.com> SIZE=100'); |
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152 $s->read(); |
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153 |
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154 $s->send('RCPT TO:<test@example.com>'); |
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155 $s->ok('PTR cached'); |
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156 |
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157 $s->send('QUIT'); |
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158 $s->read(); |
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159 |
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160 # SERVFAIL |
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161 |
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162 $s = Test::Nginx::SMTP->new(PeerAddr => "127.0.0.1:8027"); |
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163 $s->read(); |
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164 $s->send('EHLO example.com'); |
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165 $s->read(); |
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166 $s->send('MAIL FROM:<test@example.com> SIZE=100'); |
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167 $s->read(); |
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168 |
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169 $s->send('RCPT TO:<test@example.com>'); |
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170 $s->check(qr/TEMPUNAVAIL/, 'PTR SERVFAIL'); |
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171 |
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172 $s->send('QUIT'); |
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173 $s->read(); |
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174 |
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175 # PTR with zero length RDATA |
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176 |
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177 $s = Test::Nginx::SMTP->new(PeerAddr => "127.0.0.1:8028"); |
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178 $s->read(); |
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179 $s->send('EHLO example.com'); |
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180 $s->read(); |
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181 $s->send('MAIL FROM:<test@example.com> SIZE=100'); |
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182 $s->read(); |
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183 |
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184 $s->send('RCPT TO:<test@example.com>'); |
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185 $s->check(qr/TEMPUNAVAIL/, 'PTR empty'); |
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186 |
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187 $s->send('QUIT'); |
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188 $s->read(); |
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189 |
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190 # CNAME |
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191 |
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192 TODO: { |
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193 local $TODO = 'support for CNAME RR'; |
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194 |
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195 $s = Test::Nginx::SMTP->new(PeerAddr => "127.0.0.1:8029"); |
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196 $s->read(); |
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197 $s->send('EHLO example.com'); |
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198 $s->read(); |
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199 $s->send('MAIL FROM:<test@example.com> SIZE=100'); |
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200 $s->read(); |
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201 |
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202 $s->send('RCPT TO:<test@example.com>'); |
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203 $s->ok('CNAME'); |
352
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204 |
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205 $s->send('QUIT'); |
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206 $s->read(); |
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207 |
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208 } |
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209 |
362
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210 # uncompressed answer |
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211 |
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212 TODO: { |
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213 local $TODO = 'support for uncompressed name in PTR' |
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214 unless $t->has_version('1.9.11'); |
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215 |
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216 $s = Test::Nginx::SMTP->new(PeerAddr => "127.0.0.1:8030"); |
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217 $s->read(); |
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218 $s->send('EHLO example.com'); |
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219 $s->read(); |
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220 $s->send('MAIL FROM:<test@example.com> SIZE=100'); |
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221 $s->read(); |
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222 |
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223 $s->send('RCPT TO:<test@example.com>'); |
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224 $s->ok('uncompressed PTR'); |
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225 |
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226 $s->send('QUIT'); |
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227 $s->read(); |
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228 |
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229 } |
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230 |
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231 TODO: { |
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232 local $TODO = 'PTR type checking' unless $t->has_version('1.9.11'); |
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233 |
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234 $s = Test::Nginx::SMTP->new(PeerAddr => "127.0.0.1:8031"); |
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235 $s->read(); |
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236 $s->send('EHLO example.com'); |
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237 $s->read(); |
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238 $s->send('MAIL FROM:<test@example.com> SIZE=100'); |
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239 $s->read(); |
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240 |
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241 $s->send('RCPT TO:<test@example.com>'); |
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242 $s->check(qr/TEMPUNAVAIL/, 'PTR type'); |
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243 |
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244 $s->send('QUIT'); |
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245 $s->read(); |
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246 |
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247 } |
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248 |
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249 # CNAME and PTR in one answer section |
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250 |
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251 TODO: { |
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252 local $TODO = 'not yet' unless $t->has_version('1.9.11'); |
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253 |
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254 $s = Test::Nginx::SMTP->new(PeerAddr => "127.0.0.1:8032"); |
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255 $s->read(); |
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256 $s->send('EHLO example.com'); |
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257 $s->read(); |
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258 $s->send('MAIL FROM:<test@example.com> SIZE=100'); |
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259 $s->read(); |
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260 |
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261 $s->send('RCPT TO:<test@example.com>'); |
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262 $s->ok('CNAME with PTR'); |
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263 |
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264 $s->send('QUIT'); |
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265 $s->read(); |
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266 |
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267 } |
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268 |
352
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269 ############################################################################### |
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270 |
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271 sub reply_handler { |
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272 my ($recv_data, $port) = @_; |
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273 |
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274 my (@name, @rdata); |
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275 |
357
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276 use constant NOERROR => 0; |
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277 use constant SERVFAIL => 2; |
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278 use constant NXDOMAIN => 3; |
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279 |
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280 use constant A => 1; |
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281 use constant CNAME => 5; |
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282 use constant PTR => 12; |
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283 use constant DNAME => 39; |
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284 |
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285 use constant IN => 1; |
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286 |
357
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287 # default values |
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288 |
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289 my ($hdr, $rcode, $ttl) = (0x8180, NOERROR, 3600); |
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290 |
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291 # decode name |
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292 |
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293 my ($len, $offset) = (undef, 12); |
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294 while (1) { |
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295 $len = unpack("\@$offset C", $recv_data); |
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296 last if $len == 0; |
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297 $offset++; |
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298 push @name, unpack("\@$offset A$len", $recv_data); |
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299 $offset += $len; |
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300 } |
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301 |
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302 $offset -= 1; |
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303 my ($id, $type, $class) = unpack("n x$offset n2", $recv_data); |
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304 |
357
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305 my $name = join('.', @name); |
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306 if ($name eq 'a.example.net' && $type == A) { |
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307 push @rdata, rd_addr($ttl, '127.0.0.1'); |
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308 |
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309 } elsif ($name eq '1.0.0.127.in-addr.arpa' && $type == PTR) { |
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310 if ($port == 8081) { |
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311 push @rdata, rd_name(PTR, $ttl, 'a.example.net'); |
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312 |
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313 } elsif ($port == 8082) { |
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314 $rcode = SERVFAIL; |
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315 |
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316 } elsif ($port == 8083) { |
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317 # zero length RDATA |
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318 |
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319 push @rdata, pack("n3N n", 0xc00c, PTR, IN, $ttl, 0); |
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320 |
357
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321 } elsif ($port == 8084) { |
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322 # PTR answered with CNAME |
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323 |
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324 push @rdata, rd_name(CNAME, $ttl, |
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325 '1.1.0.0.127.in-addr.arpa'); |
362
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326 |
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327 } elsif ($port == 8085) { |
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328 # uncompressed answer |
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329 |
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330 push @rdata, pack("(C/a*)6x n2N n(C/a*)3x", |
362
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331 ('1', '0', '0', '127', 'in-addr', 'arpa'), |
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332 PTR, IN, $ttl, 15, ('a', 'example', 'net')); |
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333 |
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334 } elsif ($port == 8086) { |
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335 push @rdata, rd_name(DNAME, $ttl, 'a.example.net'); |
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336 |
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337 } elsif ($port == 8087) { |
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338 # PTR answered with CNAME+PTR |
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339 |
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340 push @rdata, rd_name(CNAME, $ttl, |
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341 '1.1.0.0.127.in-addr.arpa'); |
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342 push @rdata, pack("n3N n(C/a*)3 x", 0xc034, |
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343 PTR, IN, $ttl, 15, ('a', 'example', 'net')); |
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344 } |
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345 |
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346 } elsif ($name eq '1.1.0.0.127.in-addr.arpa' && $type == PTR) { |
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347 push @rdata, rd_name(PTR, $ttl, 'a.example.net'); |
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348 } |
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349 |
357
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350 $len = @name; |
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351 pack("n6 (C/a*)$len x n2", $id, $hdr | $rcode, 1, scalar @rdata, |
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352 0, 0, @name, $type, $class) . join('', @rdata); |
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353 } |
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354 |
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355 sub rd_name { |
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356 my ($type, $ttl, $name) = @_; |
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357 my ($rdlen, @rdname); |
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358 |
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359 @rdname = split /\./, $name; |
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360 $rdlen = length(join '', @rdname) + @rdname + 1; |
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361 pack("n3N n(C/a*)* x", 0xc00c, $type, IN, $ttl, $rdlen, @rdname); |
357
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362 } |
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363 |
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364 sub rd_addr { |
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365 my ($ttl, $addr) = @_; |
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366 |
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367 my $code = 'split(/\./, $addr)'; |
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368 |
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369 # use a special pack string to not zero pad |
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370 |
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371 return pack 'n3N', 0xc00c, A, IN, $ttl if $addr eq ''; |
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372 |
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373 pack 'n3N nC4', 0xc00c, A, IN, $ttl, eval "scalar $code", eval($code); |
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374 } |
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375 |
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376 sub dns_daemon { |
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377 my ($port, $t) = @_; |
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378 |
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379 my ($data, $recv_data); |
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380 my $socket = IO::Socket::INET->new( |
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381 LocalAddr => '127.0.0.1', |
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382 LocalPort => $port, |
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383 Proto => 'udp', |
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384 ) |
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385 or die "Can't create listening socket: $!\n"; |
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386 |
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387 # signal we are ready |
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388 |
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389 open my $fh, '>', $t->testdir() . '/' . $port; |
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390 close $fh; |
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391 |
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392 while (1) { |
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393 $socket->recv($recv_data, 65536); |
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394 $data = reply_handler($recv_data, $port); |
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395 $socket->send($data); |
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396 } |
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397 } |
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398 |
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399 ############################################################################### |