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e36fcf0190
Also added a link to an RFC and a Bro script (and corrected the name of the script being referenced).
19 lines
393 B
Text
19 lines
393 B
Text
##! Utilities specific for DHCP processing.
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module DHCP;
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export {
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## Reverse the octets of an IPv4 address.
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##
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## ip: An IPv4 address.
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##
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## Returns: A reversed IPv4 address.
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global reverse_ip: function(ip: addr): addr;
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}
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function reverse_ip(ip: addr): addr
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{
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local octets = split(cat(ip), /\./);
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return to_addr(cat(octets[4], ".", octets[3], ".", octets[2], ".", octets[1]));
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}
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