Troy Bollinger
23/01/07, 00:20
On Sat, Jan 20, 2007 at 08:43:33PM +0300, eugeny gladkih wrote:
> well, but what is used for stdout if it's closed in the parent
> process just before fork(2) call?!
If I recall correctly, setuid and setgid programs with closed stdin,
stdout or stderr will open /dev/null during exec.
This fix was added to AIX back in 1999 or so.
--
Troy Bollinger <troy@austin.ibm.com>
Network Security Analyst
PGP keyid: 1024/0xB7783129
Troy's opinions are not IBM policy
> well, but what is used for stdout if it's closed in the parent
> process just before fork(2) call?!
If I recall correctly, setuid and setgid programs with closed stdin,
stdout or stderr will open /dev/null during exec.
This fix was added to AIX back in 1999 or so.
--
Troy Bollinger <troy@austin.ibm.com>
Network Security Analyst
PGP keyid: 1024/0xB7783129
Troy's opinions are not IBM policy