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DateSun, 14 Jun 1998 07:17:07 -0400 (EDT)
From<>
SubjectRe: Can I open a special file with major/minor instead of name?
Unfortuanatly, being able to do this would be a security problem.. Since
as a Unix clone, we store device permissions as permisions to a device
file.

On Sun, 14 Jun 1998, Dave Cinege wrote:

> This is the code in do_linuxrc():
> 
> (void) open("/dev/tty1",O_RDWR,0);
> 
> This is what I want to do:
> 
> (void) open( MKDEV(TTY_MAJOR,1) ,O_RDWR,0);
> 
> This is why:
> I build all of /dev from /linuxrc, thus /dev/tty1 does not yet exist.
> Right now I have a work around but this way would be cleaner.
> 
> 
> static int do_linuxrc(void * shell)
> {
> 	static char *argv[] = { "linuxrc", NULL, };
> 
> 	close(0);close(1);close(2);
> 	setsid();
> 	(void) open("/dev/tty1",O_RDWR,0);
> 	(void) dup(0);
> 	(void) dup(0);
> 	return execve(shell, argv, envp_init);
> }
> 
> 
> -- 
> http://www.psychosis.com/emc/		Elite MicroComputers   732-541-4214 
> http://www.psychosis.com/linux-router/	Linux Router Project 
> 
> SIC SEMPER SPAMMER!!
> 
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