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When we try to set set-gid bit with chmod(2) on a file, which we own, but our

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effective group ID (and any of our group) doesn't match the group ID of the
file, we get EPERM.  This doesn't conform POSIX. POSIX requires that we should
return 0, but silently clear the set-gid bit.
This commit is contained in:
Pawel Jakub Dawidek 2007-01-16 15:17:27 +00:00
parent 5c92405025
commit e9f0620b9f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=166044
1 changed files with 5 additions and 1 deletions
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6
lib/libc/sys/chmod.2
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@ -28,7 +28,7 @@
.\" @(#)chmod.2 8.1 (Berkeley) 6/4/93
.\" $FreeBSD$
.\"
.Dd December 9, 2006
.Dd January 16, 2006
.Dt CHMOD 2
.Os
.Sh NAME
@ -175,6 +175,10 @@ Too many symbolic links were encountered in translating the pathname.
The effective user ID does not match the owner of the file and
the effective user ID is not the super-user.
.It Bq Er EPERM
The effective user ID is not the super-user, the effective user ID do match the
owner of the file, but the group ID of the file does not match the effective
group ID nor one of the supplementary group IDs.
.It Bq Er EPERM
The named file has its immutable or append-only flag set, see the
.Xr chflags 2
manual page for more information.