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package Sisimai::Lhost::McAfee; |
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6123
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use parent 'Sisimai::Lhost'; |
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22
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122
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1371
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use feature ':5.10'; |
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37
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22
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1680
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4
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135
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use strict; |
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491
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5
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use warnings; |
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19177
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6
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2
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1
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1159
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sub description { 'McAfee Email Appliance' } |
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sub make { |
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# Detect an error from McAfee |
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# @param [Hash] mhead Message headers of a bounce email |
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# @param [String] mbody Message body of a bounce email |
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# @return [Hash] Bounce data list and message/rfc822 part |
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# @return [Undef] failed to parse or the arguments are missing |
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# @since v4.1.1 |
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500
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500
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1
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1434
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my $class = shift; |
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500
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100
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1358
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my $mhead = shift // return undef; |
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499
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50
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1136
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my $mbody = shift // return undef; |
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# X-NAI-Header: Modified by McAfee Email and Web Security Virtual Appliance |
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499
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100
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1595
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return undef unless defined $mhead->{'x-nai-header'}; |
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26
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50
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return undef unless index($mhead->{'x-nai-header'}, 'Modified by McAfee') > -1; |
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26
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50
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86
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return undef unless $mhead->{'subject'} eq 'Delivery Status'; |
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26
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state $indicators = __PACKAGE__->INDICATORS; |
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26
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state $rebackbone = qr|^Content-Type:[ ]message/rfc822|m; |
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26
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state $startingof = { 'message' => ['--- The following addresses had delivery problems ---'] }; |
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state $refailures = { |
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'userunknown' => qr{(?: |
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[ ]User[ ][(].+[@].+[)][ ]unknown[.][ ] |
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|550[ ]Unknown[ ]user[ ][^ ]+[@][^ ]+ |
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|550[ ][<].+?[@].+?[>][.]+[ ]User[ ]not[ ]exist |
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|No[ ]such[ ]user |
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) |
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}x, |
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}; |
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26
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447
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require Sisimai::RFC1894; |
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my $fieldtable = Sisimai::RFC1894->FIELDTABLE; |
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120
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my $dscontents = [__PACKAGE__->DELIVERYSTATUS]; |
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26
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my $emailsteak = Sisimai::RFC5322->fillet($mbody, $rebackbone); |
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26
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60
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my $readcursor = 0; # (Integer) Points the current cursor position |
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26
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my $recipients = 0; # (Integer) The number of 'Final-Recipient' header |
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my $diagnostic = ''; # (String) Alternative diagnostic message |
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my $v = undef; |
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26
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49
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my $p = ''; |
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26
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for my $e ( split("\n", $emailsteak->[0]) ) { |
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# Read error messages and delivery status lines from the head of the email |
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# to the previous line of the beginning of the original message. |
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462
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100
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676
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unless( $readcursor ) { |
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# Beginning of the bounce message or message/delivery-status part |
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114
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100
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329
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$readcursor |= $indicators->{'deliverystatus'} if index($e, $startingof->{'message'}->[0]) > -1; |
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114
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145
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next; |
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} |
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348
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571
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next unless $readcursor & $indicators->{'deliverystatus'}; |
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348
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100
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518
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next unless length $e; |
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58
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# Content-Type: text/plain; name="deliveryproblems.txt" |
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# |
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# --- The following addresses had delivery problems --- |
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# |
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# (User unknown user@example.com) |
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# |
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# --------------Boundary-00=_00000000000000000000 |
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# Content-Type: message/delivery-status; name="deliverystatus.txt" |
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# |
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218
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288
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$v = $dscontents->[-1]; |
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69
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218
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100
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670
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if( $e =~ /\A[<]([^ ]+[@][^ ]+)[>][ \t]+[(](.+)[)]\z/ ) { |
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100
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70
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# (Unknown user kijitora@example.co.jp) |
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50
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83
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if( $v->{'recipient'} ) { |
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# There are multiple recipient addresses in the message body. |
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0
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0
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push @$dscontents, __PACKAGE__->DELIVERYSTATUS; |
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0
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0
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$v = $dscontents->[-1]; |
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} |
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26
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92
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$v->{'recipient'} = $1; |
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26
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64
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$diagnostic = $2; |
78
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26
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44
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$recipients++; |
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80
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} elsif( my $f = Sisimai::RFC1894->match($e) ) { |
81
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# $e matched with any field defined in RFC3464 |
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104
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197
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my $o = Sisimai::RFC1894->field($e); |
83
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104
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100
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255
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unless( $o ) { |
84
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# Fallback code for empty value or invalid formatted value |
85
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# - Original-Recipient: |
86
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52
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100
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306
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$v->{'alias'} = Sisimai::Address->s3s4($1) if $e =~ /\AOriginal-Recipient:[ ]*([^ ]+)\z/; |
87
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52
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85
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next; |
88
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} |
89
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52
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50
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171
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next unless exists $fieldtable->{ $o->[0] }; |
90
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52
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195
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$v->{ $fieldtable->{ $o->[0] } } = $o->[2]; |
91
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92
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} else { |
93
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# Continued line of the value of Diagnostic-Code field |
94
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88
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50
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222
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next unless index($p, 'Diagnostic-Code:') == 0; |
95
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0
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0
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0
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next unless $e =~ /\A[ \t]+(.+)\z/; |
96
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0
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0
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$v->{'diagnosis'} .= ' '.$1; |
97
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} # End of error message part |
98
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} continue { |
99
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# Save the current line for the next loop |
100
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462
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655
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$p = $e; |
101
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} |
102
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26
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50
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106
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return undef unless $recipients; |
103
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104
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26
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82
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for my $e ( @$dscontents ) { |
105
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26
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33
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218
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$e->{'diagnosis'} = Sisimai::String->sweep($e->{'diagnosis'} || $diagnostic); |
106
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107
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26
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116
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SESSION: for my $r ( keys %$refailures ) { |
108
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# Verify each regular expression of session errors |
109
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26
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100
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310
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next unless $e->{'diagnosis'} =~ $refailures->{ $r }; |
110
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16
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53
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$e->{'reason'} = $r; |
111
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16
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50
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last; |
112
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} |
113
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} |
114
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26
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188
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return { 'ds' => $dscontents, 'rfc822' => $emailsteak->[1] }; |
115
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} |
116
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117
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1; |
118
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__END__ |