This is the mail archive of the cygwin mailing list for the Cygwin project.


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: Problem with setuid/execv on Cygwin/Windows 7


On Nov  9 08:59, Laurent Cocault wrote:
> Hi Cygwin community,
> 
> I am currently facing a problem with the combination of setuid/execv on a Cygwin/Windows 7.
> [...]
>     char* args[1];
>     args[0] = NULL;
>     status = execv("/bin/bash", args);

This is wrong.  You should at least set args[0] since that what becomes
argv[0] in the child process:

      char* args[2];
      args[1] = "bash";
      args[2] = NULL;
      status = execv("/bin/bash", args);


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple


Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]