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Mention that set-id bits are not honoured for shell scripts and

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filesystems with the "nosuid" option.  Mention that syscall tracing
is disabled sometimes.

PR:		misc/11328
This commit is contained in:
hoek 1999-04-27 03:56:10 +00:00
parent 45b960a6f5
commit 25446ce2c8
1 changed files with 8 additions and 1 deletions
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9
lib/libc/sys/execve.2
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@ -30,7 +30,7 @@
.\" SUCH DAMAGE.
.\"
.\" @(#)execve.2 8.5 (Berkeley) 6/1/94
.\" $Id$
.\" $Id: execve.2,v 1.11 1998/01/11 21:43:38 alex Exp $
.\"
.Dd June 1, 1994
.Dt EXECVE 2
@ -143,6 +143,11 @@ These values may be used in changing the effective IDs later (see
.Xr setuid 2 ) .
.ne 1i
.Pp
The set-ID bits are not honored if the respective file system has the
.Ar nosuid
option enabled or if the new process file is an interpreter file. Syscall
tracing is disabled if effective IDs are changed.
.Pp
The new process also inherits the following attributes from
the calling process:
.Pp
@ -273,6 +278,8 @@ of a super-user as well.
.Xr execl 3 ,
.Xr exit 3 ,
.Xr sysctl 3 ,
.Xr mount 1 ,
.Xr ktrace 1 ,
.Xr environ 7
.Sh HISTORY
The