From: Brent Roman <brent@...>
Date: 2009-01-28T15:49:09+09:00
Subject: [ruby-core:21629] Re: UID Too Big, A Bug?


It's not just OSx that does this.
I've seen it with Linux 2.6 as well.

These kernels allow *signed* 32-bit UIDs and GIDs.
This looks like a bug in Ruby to me.

- brent


Daniel Berger-2 wrote:
> 
> James Gray wrote:
>> Is this a bug in Ruby?
>> 
>>   $ sudo ruby -r etc -e 'nobody = Etc.getpwnam("nobody"); p nobody; 
>> Process.uid = nobody.uid'
>>   #<struct Struct::Passwd name="nobody", passwd="*", uid=4294967294, 
>> gid=4294967294, gecos="Unprivileged User", dir="/var/empty", 
>> shell="/usr/bin/false", change=0, uclass="", expire=0>
>>   -e:1:in `uid=': bignum too big to convert into `long' (RangeError)
>>       from -e:1
> 
> For whatever reason, the actual uid value for "nobody" on OS X is -2. 
> Using a negative value for a uid strikes me as particularly odd, but 
> there you go.
> 
> I'll now take this moment to brag that sys-admin gets it right. :)
> 
> Regards,
> 
> Dan
> 
> 
> 

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