bin/78085: id command inconsistency

[Kevin Lyons]

>Number:         78085
>Category:       bin
>Synopsis:       id command inconsistency
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Fri Feb 25 17:50:14 GMT 2005
>Closed-Date:
>Last-Modified:
>Originator:     Kevin Lyons
>Release:        FreeBSD 5.3-RELEASE i386
>Organization:
>Environment:
System: FreeBSD gt.corserv.com 5.3-RELEASE FreeBSD 5.3-RELEASE #0: Fri Nov 5 04:19:18 UTC 2004 root at harlow.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC i386


>Description:
	The "id" command truncates the last two groups when invoked
	without the user argument.

>How-To-Repeat:
	see the report below for how to repeat.
>Fix:

	

--- report begins here ---
The problem is that the id command does not show all 16 groups when invoked
without the user argument.  This problem is also on 4.10.
Following is some data and the output of the commands.

below is snapshot of my /etc/group file in 5.3.  

# $FreeBSD: src/etc/group,v 1.31 2004/06/23 01:32:28 mlaier Exp $
#
wheel:*:0:root,klyons
daemon:*:1:
kmem:*:2:
sys:*:3:
tty:*:4:
operator:*:5:root
mail:*:6:
bin:*:7:
news:*:8:
man:*:9:
games:*:13:
staff:*:20:
sshd:*:22:
smmsp:*:25:
mailnull:*:26:
guest:*:31:
bind:*:53:
proxy:*:62:
authpf:*:63:
_pflogd:*:64:
uucp:*:66:
dialer:*:68:
network:*:69:
www:*:80:
nogroup:*:65533:
nobody:*:65534:
klyons:*:1001:
projects:*:8000:klyons
proj1000:*:8001:klyons
it:*:8002:klyons
pm:*:8003:klyons
p001:*:8004:klyons
p002:*:8005:klyons
eng:*:8006:klyons
sr:*:8007:klyons
cs:*:8008:klyons
proj1001:*:8009:klyons
proj1002:*:8010:klyons
proj1003:*:8011:klyons
foo1:*:8012:klyons
foo2:*:8013:klyons
foo3:*:8014:klyons
foo4:*:8015:klyons
foo5:*:8016:klyons
foo6:*:8017:klyons
foo7:*:8018:klyons
foo8:*:8019:klyons
foo9:*:8020:klyons

--- output of "id" as user klyons----

uid=1001(klyons) gid=1001(klyons) groups=1001(klyons), 0(wheel), 8000(projects), 8001(proj1000), 8002(it), 8003(pm), 8004(p001), 8005(p002), 8006(eng), 8007(sr), 8008(cs), 8009(proj1001), 8010(proj1002), 8011(proj1003)

--- output of "id klyons" as user klyons---

uid=1001(klyons) gid=1001(klyons) groups=1001(klyons), 0(wheel), 8000(projects), 8001(proj1000), 8002(it), 8003(pm), 8004(p001), 8005(p002), 8006(eng), 8007(sr), 8008(cs), 8009(proj1001), 8010(proj1002), 8011(proj1003), 8012(foo1), 8013(foo2)
--- report ends here ---


>Release-Note:
>Audit-Trail:
>Unformatted: