3 $ENV{PATH} ="/bin:/usr/bin:/usr/xpg4/bin:/usr/ucb" .
4 exists $ENV{PATH} ? ":$ENV{PATH}" : "";
5 $ENV{LC_ALL} = "C"; # so that external utilities speak English
12 quit() if $^O eq 'MSWin32';
14 # We have to find a command that prints all (effective
15 # and real) group names (not ids). The known commands are:
19 # Beware 1: some systems do just 'id -G' even when 'id -Gn' is used.
20 # Beware 2: id -Gn or id -a format might be id(name) or name(id).
21 # Beware 3: the groups= might be anywhere in the id output.
22 # Beware 4: groups can have spaces ('id -a' being the only defense against this)
23 # Beware 5: id -a might not contain the groups= part.
25 # That is, we might meet the following:
27 # foo bar zot # accept
28 # foo 22 42 bar zot # accept
29 # 1 22 42 2 3 # reject
30 # groups=(42),foo(1),bar(2),zot me(3) # parse
31 # groups=22,42,1(foo),2(bar),3(zot me) # parse
33 # and the groups= might be after, before, or between uid=... and gid=...
36 # prefer 'id' over 'groups' (is this ever wrong anywhere?)
37 # and 'id -a' over 'id -Gn' (the former is good about spaces in group names)
38 if (($groups = `id -a 2>/dev/null`) ne '') {
39 # $groups is of the form:
40 # uid=39957(gsar) gid=22(users) groups=33536,39181,22(users),0(root),1067(dev)
41 last GROUPS if $groups =~ /groups=/;
43 if (($groups = `id -Gn 2>/dev/null`) ne '') {
44 # $groups could be of the form:
45 # users 33536 39181 root dev
46 last GROUPS if $groups !~ /^(\d|\s)+$/;
48 if (($groups = `groups 2>/dev/null`) ne '') {
49 # may not reflect all groups in some places, so do a sanity check
52 # These test results *may* be bogus, as you appear to have AFS,
53 # and I can't find a working 'id' in your PATH (which I have set
56 # If these tests fail, report the particular incantation you use
57 # on this platform to find *all* the groups that an arbitrary
58 # luser may belong to, using the 'perlbug' program.
67 # Remember that group names can contain whitespace, '-', et cetera.
68 # That is: do not \w, do not \S.
69 if ($groups =~ /groups=(.+)( [ug]id=|$)/) {
71 my @g0 = split /,/, $gr;
73 # prefer names over numbers
76 if (/^(\d+)(?:\(([^)]+)\))?$/) {
80 elsif (/^([^(]*)\((\d+)\)$/) {
84 print "# ignoring group entry [$_]\n";
87 print "# groups=$gr\n";
96 ($pwgnam) = getgrgid($pwgid);
97 @basegroup{$pwgid,$pwgnam} = (1,1);
101 for (split(' ', $()) {
103 ($group) = getgrgid($_);
104 if (defined $group) {
112 if ($^O eq "uwin") { # Or anybody else who can have spaces in group names.
113 $gr1 = join(' ', grep(!$did{$_}++, sort split(' ', join(' ', @gr))));
115 $gr1 = join(' ', sort @gr);
118 $gr2 = join(' ', grep(!$basegroup{$_}++, sort split(' ',$groups)));
124 print "#gr1 is <$gr1>\n";
125 print "#gr2 is <$gr2>\n";
129 # multiple 0's indicate GROUPSTYPE is currently long but should be short
131 if ($pwgid == 0 || $seen{0} < 2) {
135 print "not ok 2 (groupstype should be type short, not long)\n";