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package Email::Received::Constants; |
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use base qw( Exporter ); |
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1879
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@IP_VARS = qw( |
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LOCALHOST IPV4_ADDRESS IP_ADDRESS |
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); |
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our @EXPORT = @IP_VARS; |
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use constant LOCALHOST => qr/ |
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(?: |
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# as a string |
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localhost(?:\.localdomain)? |
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\b(?
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# plain IPv4 |
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127\.0\.0\.1 \b |
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# IPv6 addresses |
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# don't use \b here, it hits on :'s |
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(?:IPv6: # with optional prefix |
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) |
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(?: |
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# IPv4 mapped in IPv6 |
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# note the colon after the 12th byte in each here |
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(?: |
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# first 6 (12 bytes) non-zero |
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(?:0{1,4}:){5} ffff: |
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# leading zeros omitted (note {0,5} not {1,5}) |
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::(?:0{1,4}:){0,4} ffff: |
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# trailing zeros (in the first 6) omitted |
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(?:0{1,4}:){1,4}: ffff: |
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# 0000 in second up to (including) fifth omitted |
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0{1,4}::(?:0{1,4}:){1,3} ffff: |
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# 0000 in third up to (including) fifth omitted |
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(?:0{1,4}:){2}:0{1,2}: ffff: |
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# 0000 in fourth up to (including) fifth omitted |
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(?:0{1,4}:){3}:0: ffff: |
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# 0000 in fifth omitted |
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(?:0{1,4}:){4}: ffff: |
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) |
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# and the IPv4 address appended to all of the 12 bytes above |
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127\.0\.0\.1 # no \b, we check later |
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| # or (separately) a pure IPv6 address |
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# all 8 (16 bytes) of them present |
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(?:0{1,4}:){7} 0{0,3}1 |
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# leading zeros omitted |
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:(?::0{1,4}){0,6}: 0{0,3}1 |
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# 0000 in second up to (including) seventh omitted |
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0{1,4}:(?::0{1,4}){0,5}: 0{0,3}1 |
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# 0000 in third up to (including) seventh omitted |
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(?:0{1,4}:){2}(?::0{1,4}){0,4}: 0{0,3}1 |
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# 0000 in fouth up to (including) seventh omiited |
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(?:0{1,4}:){3}(?::0{1,4}){0,3}: 0{0,3}1 |
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# 0000 in fifth up to (including) seventh omitted |
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(?:0{1,4}:){4}(?::0{1,4}){0,2}: 0{0,3}1 |
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# 0000 in sixth up to (including) seventh omitted |
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(?:0{1,4}:){5}(?::0{1,4}){0,1}: 0{0,3}1 |
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# 0000 in seventh omitted |
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(?:0{1,4}:){6}: 0{0,3}1 |
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) |
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(?![a-f0-9:]) |
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) |
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/oxi; |
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1135
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use constant IPV4_ADDRESS => qr/\b |
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(?:1\d\d|2[0-4]\d|25[0-5]|\d\d|\d)\. |
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(?:1\d\d|2[0-4]\d|25[0-5]|\d\d|\d)\. |
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(?:1\d\d|2[0-4]\d|25[0-5]|\d\d|\d)\. |
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(?:1\d\d|2[0-4]\d|25[0-5]|\d\d|\d) |
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\b/ox; |
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use constant IP_ADDRESS => qr/ |
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(?: |
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\b(?
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# plain IPv4, as above |
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(?:1\d\d|2[0-4]\d|25[0-5]|\d\d|\d)\. |
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(?:1\d\d|2[0-4]\d|25[0-5]|\d\d|\d)\. |
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(?:1\d\d|2[0-4]\d|25[0-5]|\d\d|\d)\. |
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(?:1\d\d|2[0-4]\d|25[0-5]|\d\d|\d)\b |
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# IPv6 addresses |
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# don't use \b here, it hits on :'s |
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(?:IPv6: # with optional prefix |
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) |
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(?: |
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# IPv4 mapped in IPv6 |
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# note the colon after the 12th byte in each here |
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(?: |
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# first 6 (12 bytes) non-zero |
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(?:[a-f0-9]{1,4}:){6} |
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# leading zeros omitted (note {0,5} not {1,5}) |
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::(?:[a-f0-9]{1,4}:){0,5} |
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# trailing zeros (in the first 6) omitted |
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(?:[a-f0-9]{1,4}:){1,5}: |
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# 0000 in second up to (including) fifth omitted |
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[a-f0-9]{1,4}::(?:[a-f0-9]{1,4}:){1,4} |
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# 0000 in third up to (including) fifth omitted |
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(?:[a-f0-9]{1,4}:){2}:(?:[a-f0-9]{1,4}:){1,3} |
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# 0000 in fourth up to (including) fifth omitted |
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(?:[a-f0-9]{1,4}:){3}:(?:[a-f0-9]{1,4}:){1,2} |
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# 0000 in fifth omitted |
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(?:[a-f0-9]{1,4}:){4}:[a-f0-9]{1,4}: |
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) |
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# and the IPv4 address appended to all of the 12 bytes above |
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(?:1\d\d|2[0-4]\d|25[0-5]|\d\d|\d)\. |
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(?:1\d\d|2[0-4]\d|25[0-5]|\d\d|\d)\. |
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(?:1\d\d|2[0-4]\d|25[0-5]|\d\d|\d)\. |
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(?:1\d\d|2[0-4]\d|25[0-5]|\d\d|\d) # no \b, we check later |
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| # or (separately) a pure IPv6 address |
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# all 8 (16 bytes) of them present |
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(?:[a-f0-9]{1,4}:){7}[a-f0-9]{1,4} |
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# leading zeros omitted |
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:(?::[a-f0-9]{1,4}){1,7} |
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# trailing zeros omitted |
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(?:[a-f0-9]{1,4}:){1,7}: |
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# 0000 in second up to (including) seventh omitted |
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[a-f0-9]{1,4}:(?::[a-f0-9]{1,4}){1,6} |
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# 0000 in third up to (including) seventh omitted |
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(?:[a-f0-9]{1,4}:){2}(?::[a-f0-9]{1,4}){1,5} |
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# 0000 in fouth up to (including) seventh omiited |
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(?:[a-f0-9]{1,4}:){3}(?::[a-f0-9]{1,4}){1,4} |
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# 0000 in fifth up to (including) seventh omitted |
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(?:[a-f0-9]{1,4}:){4}(?::[a-f0-9]{1,4}){1,3} |
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# 0000 in sixth up to (including) seventh omitted |
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(?:[a-f0-9]{1,4}:){5}(?::[a-f0-9]{1,4}){1,2} |
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# 0000 in seventh omitted |
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(?:[a-f0-9]{1,4}:){6}:[a-f0-9]{1,4} |
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# :: (the unspecified addreess 0:0:0:0:0:0:0:0) |
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# dos: I don't expect to see this address in a header, and |
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# it may cause non-address strings to match, but we'll |
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# include it for now since it is valid |
166
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:: |
167
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) |
168
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(?![a-f0-9:]) |
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) |
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/oxi; |
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1; |