Re: [PATCH] Fix acct quoting in audit_log_acct_message())

[Tomas Mraz <tmraz@redhat.com>]

On Wed, 2008-03-05 at 10:04 -0500, John Dennis wrote:
> >>>  a) byte sequences with the following special characters encoded as %XX
> >>> where XX is hexadecimal value of the encoded byte. Special characters
> >>> are: bytes with value <= 0x20 or >= 0x7F, '%', '(', ')', and '='.
> >> Perhaps we should reserve more characters for future features - at least
> >> '"', '\'' and '\\', maybe everything but [a-zA-Z0-9_-].
> 
> Lets not invent YAES (Yet Another Encoding System). The world already 
> has enough :-) There is value in sticking with known encodings, many 
> programmers are instantly familiar with them and there is a raft of 
> working code to support them. Off the top of my head I can think of:
> 
> 1) backslash escapes with embedded octals
> 2) quoted printable
> 3) base64
> 4) xml entities
5) url encoding - which is what I proposed and is most efficient and
readable (well it is equivalent to quoted printable except it uses %
instead of = which we cannot use as it has already a meaning as name
value separator)

-- 
Tomas Mraz
No matter how far down the wrong road you've gone, turn back.
                                              Turkish proverb