utils

Documentation

Index

• Constants
• func FormatChainName(name string, id string) string
• func FormatComment(name string, id string) string
• func MustFormatChainNameWithPrefix(name string, id string, prefix string) string
• func MustFormatHashWithPrefix(length int, prefix string, toHash string) string

Constants

const MaxHashLen = sha512.Size * 2

Functions

func FormatChainName

func FormatChainName(name string, id string) string

FormatChainName generates a chain name to be used with iptables. Ensures that the generated chain name is exactly maxChainLength chars in length.

func FormatComment

func FormatComment(name string, id string) string

FormatComment returns a comment used for easier rule identification within iptables.

func MustFormatChainNameWithPrefix

func MustFormatChainNameWithPrefix(name string, id string, prefix string) string

MustFormatChainNameWithPrefix generates a chain name similar to FormatChainName, but adds a custom prefix between chainPrefix and unique identifier. Ensures that the generated chain name is exactly maxChainLength chars in length. Panics if the given prefix is too long.

func MustFormatHashWithPrefix

func MustFormatHashWithPrefix(length int, prefix string, toHash string) string

MustFormatHashWithPrefix returns a string of given length that begins with the given prefix. It is filled with entropy based on the given string toHash.