[erlang-questions] capabilities

Bengt Kleberg <>
Tue Aug 12 09:58:32 CEST 2008


Greetings,

AFAIK Solaris 10 has the concept of privileges, which sounds like Linux
(and Posix.1e) capabilities (''real'' capabilities as found in operating
systems literature are something different). Unfortunately I only have
Solaris 9 and can not help further than that.


bengt

 On Mon, 2008-08-11 at 21:40 -0400, Serge Aleynikov wrote:
> Sorry for polluting the list with a non-Erlang question, but since I 
> know that there are a number of Solaris experts on the list, I though I 
> could get an advice.
> 
> I may need to port my Erlang Linux-based C port program to Solaris, and 
> the program takes advantage of Linux capabilities (*) CAP_SYS_NICE and 
> CAP_SETUID.  Poking around man pages on Solaris didn't help in 
> determining if Solaris has similar features (or if they can be 
> accomplished by some different means).  Does anyone know if it's 
> possible for a non-root user (after issuing a setuid() call) to retain 
> ability to impersonate as a different effective user id or adjust 
> process's niceness on the negative side?
> 
> Serge
> 
> (*) man 7 capabilities
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