https://bugs.exim.org/show_bug.cgi?id=2687
earl_chew@??? changed:
What |Removed |Added
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Attachment #1356|0 |1
is obsolete| |
--- Comment #2 from earl_chew@??? ---
Created attachment 1357
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https://bugs.exim.org/attachment.cgi?id=1357&action=edit
Test program illustrating defect, and a revised proposed solution
After additional testing, I modified the rules to add another to support a
transform from ^^^~ -> ^.
This is useful so that the credentials can be written unambiguously by using
^^^@ as a separator that will be replaced by a single nul, and spelling each
circumflex as ^^^~.
1. Two consecutive circumflexes followed by ^@ are replaced by a
single nul. (^^^@ -> \0)
2. Two consecutive circumflexes followed by ^~ are replaced by a
single circumflex. (^^^~ -> ^)
3. Two consecutive circumflexes followed by ^^ are replaced by a
pair of circumflexes. (^^^^ -> ^^)
4. Three consecutive circumflexes followed by x, where is
neither @ nor ^, are replaced by a single circumflex, a single nul,
and x. (^^^x -> ^\0x)
5. Two consecutive circumflexes are replaced by a single
circumflex. (^^ -> ^)
6. A single circumflex is replaced by a single nul. (^ -> \0) */
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# In this proof of concept, nuls are shown as dots for legibility:
^^^@one^^^@two
Current ^^@one^^@two
Proposed .one.two
^^^@^^^~one^^^~^^^@^^^~two^^^~
Current ^^@^^~one^^~^^@^^~two^^~
Proposed .^one^.^two^
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