Mercurial > hg > nginx-tests
annotate mail_resolver.t @ 361:aac06d3bdc05
Tests: adjusted resolver TODO, fix committed.
author | Sergey Kandaurov <pluknet@nginx.com> |
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date | Mon, 16 Dec 2013 14:44:29 +0400 |
parents | cdab739eb6ea |
children | 8ca9c75c97d2 |
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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 server { |
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46 listen 127.0.0.1:8025; |
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47 protocol smtp; |
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48 resolver 127.0.0.1:8081 127.0.0.1:8082 127.0.0.1:8083; |
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49 } |
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50 |
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51 server { |
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52 listen 127.0.0.1:8027; |
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53 protocol smtp; |
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54 resolver 127.0.0.1:8082; |
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55 } |
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56 |
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57 server { |
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58 listen 127.0.0.1:8028; |
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59 protocol smtp; |
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60 resolver 127.0.0.1:8083; |
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61 |
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62 # prevent useless resend |
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63 resolver_timeout 1s; |
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64 } |
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65 |
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66 server { |
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67 listen 127.0.0.1:8029; |
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68 protocol smtp; |
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69 resolver 127.0.0.1:8084; |
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70 } |
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71 } |
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72 |
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73 http { |
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74 %%TEST_GLOBALS_HTTP%% |
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75 |
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76 server { |
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77 listen 127.0.0.1:8080; |
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78 server_name localhost; |
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79 |
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80 location = /mail/auth { |
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81 set $reply $http_client_host; |
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82 |
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83 if ($http_client_host !~ UNAVAIL) { |
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84 set $reply OK; |
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85 } |
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86 |
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87 add_header Auth-Status $reply; |
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88 add_header Auth-Server 127.0.0.1; |
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89 add_header Auth-Port 8026; |
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90 return 204; |
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91 } |
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92 } |
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93 } |
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94 |
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95 EOF |
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96 |
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97 $t->run_daemon(\&dns_daemon, 8081, $t); |
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98 $t->run_daemon(\&dns_daemon, 8082, $t); |
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99 $t->run_daemon(\&dns_daemon, 8083, $t); |
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100 $t->run_daemon(\&dns_daemon, 8084, $t); |
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101 $t->run(); |
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102 |
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103 $t->waitforfile($t->testdir . '/8081'); |
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104 $t->waitforfile($t->testdir . '/8082'); |
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105 $t->waitforfile($t->testdir . '/8083'); |
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106 $t->waitforfile($t->testdir . '/8084'); |
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107 |
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108 $t->plan(5); |
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109 |
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110 ############################################################################### |
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111 |
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112 # PTR |
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113 |
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114 my $s = Test::Nginx::SMTP->new(); |
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115 $s->read(); |
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116 $s->send('EHLO example.com'); |
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117 $s->read(); |
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118 $s->send('MAIL FROM:<test@example.com> SIZE=100'); |
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119 $s->read(); |
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120 |
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121 $s->send('RCPT TO:<test@example.com>'); |
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122 $s->ok('PTR'); |
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123 |
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124 $s->send('QUIT'); |
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125 $s->read(); |
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126 close $s; |
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127 |
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128 # Cached PTR prevents from querying bad ns on port 8083 |
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129 |
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130 $s = Test::Nginx::SMTP->new(); |
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131 $s->read(); |
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132 $s->send('EHLO example.com'); |
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133 $s->read(); |
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134 $s->send('MAIL FROM:<test@example.com> SIZE=100'); |
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135 $s->read(); |
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136 |
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137 $s->send('RCPT TO:<test@example.com>'); |
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138 $s->ok('PTR cached'); |
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139 |
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140 $s->send('QUIT'); |
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141 $s->read(); |
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142 close $s; |
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143 |
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144 # SERVFAIL |
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145 |
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146 $s = Test::Nginx::SMTP->new(PeerAddr => "127.0.0.1:8027"); |
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147 $s->read(); |
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148 $s->send('EHLO example.com'); |
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149 $s->read(); |
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150 $s->send('MAIL FROM:<test@example.com> SIZE=100'); |
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151 $s->read(); |
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152 |
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153 $s->send('RCPT TO:<test@example.com>'); |
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154 $s->check(qr/TEMPUNAVAIL/, 'PTR SERVFAIL'); |
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155 |
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156 $s->send('QUIT'); |
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157 $s->read(); |
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158 close $s; |
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159 |
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160 # PTR with zero length RDATA |
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161 |
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162 TODO: { |
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163 local $TODO = 'not yet' unless $t->has_version('1.5.8'); |
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164 |
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165 $s = Test::Nginx::SMTP->new(PeerAddr => "127.0.0.1:8028"); |
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166 $s->read(); |
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167 $s->send('EHLO example.com'); |
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168 $s->read(); |
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169 $s->send('MAIL FROM:<test@example.com> SIZE=100'); |
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170 $s->read(); |
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171 |
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172 $s->send('RCPT TO:<test@example.com>'); |
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173 $s->check(qr/TEMPUNAVAIL/, 'PTR empty'); |
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174 |
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175 $s->send('QUIT'); |
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176 $s->read(); |
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177 close $s; |
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178 |
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179 } |
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180 |
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181 # CNAME |
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182 |
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183 TODO: { |
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184 local $TODO = 'support for CNAME RR'; |
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185 |
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186 $s = Test::Nginx::SMTP->new(PeerAddr => "127.0.0.1:8029"); |
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187 $s->read(); |
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188 $s->send('EHLO example.com'); |
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189 $s->read(); |
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190 $s->send('MAIL FROM:<test@example.com> SIZE=100'); |
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191 $s->read(); |
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192 |
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193 $s->send('RCPT TO:<test@example.com>'); |
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194 $s->ok('PTR with CNAME'); |
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195 |
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196 $s->send('QUIT'); |
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197 $s->read(); |
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198 close $s; |
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199 |
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200 } |
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201 |
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202 ############################################################################### |
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203 |
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204 sub reply_handler { |
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205 my ($recv_data, $port) = @_; |
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206 |
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207 my (@name, @rdata); |
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208 |
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209 use constant NOERROR => 0; |
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210 use constant SERVFAIL => 2; |
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211 use constant NXDOMAIN => 3; |
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212 |
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213 use constant A => 1; |
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214 use constant CNAME => 5; |
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215 use constant PTR => 12; |
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216 |
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217 use constant IN => 1; |
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218 |
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219 # default values |
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220 |
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221 my ($hdr, $rcode, $ttl) = (0x8180, NOERROR, 3600); |
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222 |
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223 # decode name |
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224 |
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225 my ($len, $offset) = (undef, 12); |
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226 while (1) { |
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227 $len = unpack("\@$offset C", $recv_data); |
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228 last if $len == 0; |
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229 $offset++; |
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230 push @name, unpack("\@$offset A$len", $recv_data); |
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231 $offset += $len; |
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232 } |
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233 |
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234 $offset -= 1; |
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235 my ($id, $type, $class) = unpack("n x$offset n2", $recv_data); |
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236 |
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237 my $name = join('.', @name); |
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238 if ($name eq 'a.example.net' && $type == A) { |
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239 push @rdata, rd_addr($ttl, '127.0.0.1'); |
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240 |
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241 } elsif ($name eq '1.0.0.127.in-addr.arpa' && $type == PTR) { |
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242 if ($port == 8081) { |
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243 push @rdata, rd_name(PTR, $ttl, 'a.example.net'); |
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244 |
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245 } elsif ($port == 8082) { |
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246 $rcode = SERVFAIL; |
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247 |
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248 } elsif ($port == 8083) { |
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249 # zero length RDATA |
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250 |
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251 push @rdata, pack("n3N n", 0xc00c, PTR, IN, $ttl, 0); |
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252 |
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253 } elsif ($port == 8084) { |
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254 # PTR answered with CNAME |
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255 |
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256 push @rdata, rd_name(CNAME, $ttl, |
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257 '1.1.0.0.127.in-addr.arpa'); |
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258 } |
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259 |
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260 } elsif ($name eq '1.1.0.0.127.in-addr.arpa' && $type == PTR) { |
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261 push @rdata, rd_name(PTR, $ttl, 'a.example.net'); |
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262 } |
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263 |
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264 $len = @name; |
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265 pack("n6 (w/a*)$len x n2", $id, $hdr | $rcode, 1, scalar @rdata, |
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266 0, 0, @name, $type, $class) . join('', @rdata); |
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267 } |
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268 |
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269 sub rd_name { |
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270 my ($type, $ttl, $name) = @_; |
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271 my ($rdlen, @rdname); |
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272 |
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273 @rdname = split /\./, $name; |
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274 $rdlen = length(join '', @rdname) + @rdname + 1; |
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275 pack("n3N n(w/a*)* x", 0xc00c, PTR, IN, $ttl, $rdlen, @rdname); |
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276 } |
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277 |
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278 sub rd_addr { |
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279 my ($ttl, $addr) = @_; |
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280 |
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281 my $code = 'split(/\./, $addr)'; |
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282 |
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283 # use a special pack string to not zero pad |
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284 |
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285 return pack 'n3N', 0xc00c, A, IN, $ttl if $addr eq ''; |
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286 |
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287 pack 'n3N nC4', 0xc00c, A, IN, $ttl, eval "scalar $code", eval($code); |
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288 } |
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289 |
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290 sub dns_daemon { |
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291 my ($port, $t) = @_; |
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292 |
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293 my ($data, $recv_data); |
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294 my $socket = IO::Socket::INET->new( |
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295 LocalAddr => '127.0.0.1', |
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296 LocalPort => $port, |
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297 Proto => 'udp', |
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298 ) |
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299 or die "Can't create listening socket: $!\n"; |
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300 |
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301 # signal we are ready |
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302 |
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303 open my $fh, '>', $t->testdir() . '/' . $port; |
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304 close $fh; |
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305 |
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306 while (1) { |
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307 $socket->recv($recv_data, 65536); |
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308 $data = reply_handler($recv_data, $port); |
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309 $socket->send($data); |
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310 } |
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311 } |
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312 |
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313 ############################################################################### |