Using linelog with "-" in filename results in "--".

[Chaigneau, Nicolas]

> > 
> > 
> > I'm using 3.0.x with linelog module, with a filename set up as follows:
> > 
> > filename=${logdir}/RadiusTrace-%{Client-Shortname}-%Y%m%d%H.log
> > 
> > 
> > In clients.conf I have some clients which contain "-" characters.
> > When the linelog creates the output file, the "-" are doubled (resulting in "--" in the file name).
> > 
> > (This is done in function rad_filename_escape from main\util.c)
> > 
> > 
> > 
> > Is there a way to prevent this ?
> 
> The escape function produces POSIX fully portable filenames, whilst allowing recovery of the input text.
> 
> It should be possible to modify the escape functions so that hyphen doesn't have another hyphen to escape it, unless the  hyphen in the src string was before a disallowed character.
> 
> Thinking about it, that's probably a good idea.
> 


Can this be considered a bug so it can be done in 3.0.x ? :)


Alternatively, rlm_detail provides a parameter (escape_filenames) that allows to disable the escaping.

Maybe this could be a good idea to do this also for rlm_linelog.

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