3 $ENV{PATH} = '/bin:/usr/bin:/usr/xpg4/bin:/usr/ucb';
5 # We have to find a command that prints all (effective
6 # and real) group names (not ids). The known commands are:
10 # Beware 1: some systems do just 'id -G' even when 'id -Gn' is used.
11 # Beware 2: id -Gn or id -a format might be id(name) or name(id).
12 # Beware 3: the groups= might be anywhere in the id output.
13 # Beware 4: groups can have spaces ('id -a' being the only defense against this)
14 # Beware 5: id -a might not contain the groups= part.
16 # That is, we might meet the following:
18 # foo bar zot # accept
19 # foo 22 42 bar zot # accept
20 # 1 22 42 2 3 # reject
21 # groups=(42),foo(1),bar(2),zot me(3) # parse
22 # groups=22,42,1(foo),2(bar),3(zot me) # parse
24 # and the groups= might be after, before, or between uid=... and gid=...
27 # prefer 'id' over 'groups' (is this ever wrong anywhere?)
28 # and 'id -a' over 'id -Gn' (the former is good about spaces in group names)
29 if (($groups = `id -a 2>/dev/null`) ne '') {
30 # $groups is of the form:
31 # uid=39957(gsar) gid=22(users) groups=33536,39181,22(users),0(root),1067(dev)
32 last GROUPS if $groups =~ /groups=/;
34 if (($groups = `id -Gn 2>/dev/null`) ne '') {
35 # $groups could be of the form:
36 # users 33536 39181 root dev
37 last GROUPS if $groups !~ /^(\d|\s)+$/;
39 if (($groups = `groups 2>/dev/null`) ne '') {
40 # may not reflect all groups in some places, so do a sanity check
43 # These test results *may* be bogus, as you appear to have AFS,
44 # and I can't find a working 'id' in your PATH (which I have set
47 # If these tests fail, report the particular incantation you use
48 # on this platform to find *all* the groups that an arbitrary
49 # luser may belong to, using the 'perlbug' program.
59 # Remember that group names can contain whitespace, '-', et cetera.
60 # That is: do not \w, do not \S.
61 if ($groups =~ /groups=(.+)( [ug]id=|$)/) {
63 my @g0 = split /,/, $gr;
65 # prefer names over numbers
68 if (/^(\d+)(?:\(([^)]+)\))?$/) {
72 elsif (/^([^(]*)\((\d+)\)$/) {
76 print "# ignoring group entry [$_]\n";
79 print "# groups=$gr\n";
88 ($pwgnam) = getgrgid($pwgid);
89 @basegroup{$pwgid,$pwgnam} = (1,1);
93 for (split(' ', $()) {
95 ($group) = getgrgid($_);
104 if ($^O eq "uwin") { # Or anybody else who can have spaces in group names.
105 $gr1 = join(' ', grep(!$did{$_}++, sort split(' ', join(' ', @gr))));
107 $gr1 = join(' ', sort @gr);
110 $gr2 = join(' ', grep(!$basegroup{$_}++, sort split(' ',$groups)));
116 print "#gr1 is <$gr1>\n";
117 print "#gr2 is <$gr2>\n";
121 # multiple 0's indicate GROUPSTYPE is currently long but should be short
123 if ($pwgid == 0 || $seen{0} < 2) {
127 print "not ok 2 (groupstype should be type short, not long)\n";