[asterisk-dev] [Code Review] 3599: menuselect fails to read config when all resource modules are disabled

[rmudgett]

> On June 6, 2014, 9:41 p.m., Matt Jordan wrote:
> > /trunk/menuselect.c, lines 1258-1260
> > <https://reviewboard.asterisk.org/r/3599/diff/1/?file=59389#file59389line1258>
> >
> >     As much as I'd like to hit 'Ship It!', I'm pretty sure this is going blow up people trying to use menuselect on embedded systems.
> >     
> >     8k is a pretty big stack allocation...
> >     
> >     We're using fgets here to parse out the file - what line length is exceeding 2k in that file? 
> >     
> >     Another option here would be to allocate a buffer on the heap, read chunks in 2k sizes, add the contents to the buffer, and grow + add until we've read a full line.
> >

Might I ask why menuselect would be run on an embedded system and not by the development machine that compiles Asterisk?


- rmudgett


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On June 6, 2014, 1:59 p.m., Corey Farrell wrote:
> 
> -----------------------------------------------------------
> This is an automatically generated e-mail. To reply, visit:
> https://reviewboard.asterisk.org/r/3599/
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> 
> (Updated June 6, 2014, 1:59 p.m.)
> 
> 
> Review request for Asterisk Developers.
> 
> 
> Bugs: ASTERISK-23830
>     https://issues.asterisk.org/jira/browse/ASTERISK-23830
> 
> 
> Repository: Menuselect
> 
> 
> Description
> -------
> 
> menuselect reads config using a char buf[2048].  This is too small if all resource modules are disabled - causing the last modules listed to be re-enabled.  This change expands the buffer to 8192.
> 
> 
> Diffs
> -----
> 
>   /trunk/menuselect.c 1157 
> 
> Diff: https://reviewboard.asterisk.org/r/3599/diff/
> 
> 
> Testing
> -------
> 
> make menuselect, disabled all resource modules, saved and went back in to verify all resource modules were still disabled.
> 
> 
> Thanks,
> 
> Corey Farrell
> 
>

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