https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=211406
Bug ID: 211406
Summary: su -l clears LOGNAME environment variable
Product: Base System
Version: 10.3-STABLE
Hardware: Any
OS: Any
Status: New
Severity: Affects Some People
Priority: ---
Component: bin
Assignee: freebsd-bugs@FreeBSD.org
Reporter: d.y.kaza...@mail.ru
Created attachment 173036
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=173036&action=edit
Patch for su.c and su.1
POSIX 1003.1 states:
"LOGNAME
The system shall initialize this variable at the time of login to be the
user's login name. See <pwd.h>. For a value of LOGNAME to be portable across
implementations of POSIX.1-2008, the value should be composed of characters
from the portable filename character set."
(http://pubs.opengroup.org/onlinepubs/009695399/basedefs/xbd_chap08.html)
"su -l" Simulate a full login. But LOGNAME is unset after "su -l".
samba port depends on this variable during some operations (see
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=175544) but samba's developer
refuses to do anything about it (see
https://bugzilla.samba.org/show_bug.cgi?id=9592).
IMHO "su -l" shall set this variable since it's part of POSIX standard.
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