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
6 $ENV{LANGUAGE} = 'C'; # GNU locale extension
9 print "1..0 # Skip: no `id` or `groups`\n";
13 quit() if $^O eq 'MSWin32' or $^O =~ /lynxos/i;
15 # We have to find a command that prints all (effective
16 # and real) group names (not ids). The known commands are:
20 # Beware 1: some systems do just 'id -G' even when 'id -Gn' is used.
21 # Beware 2: id -Gn or id -a format might be id(name) or name(id).
22 # Beware 3: the groups= might be anywhere in the id output.
23 # Beware 4: groups can have spaces ('id -a' being the only defense against this)
24 # Beware 5: id -a might not contain the groups= part.
26 # That is, we might meet the following:
28 # foo bar zot # accept
29 # foo 22 42 bar zot # accept
30 # 1 22 42 2 3 # reject
31 # groups=(42),foo(1),bar(2),zot me(3) # parse
32 # groups=22,42,1(foo),2(bar),3(zot me) # parse
34 # and the groups= might be after, before, or between uid=... and gid=...
37 # prefer 'id' over 'groups' (is this ever wrong anywhere?)
38 # and 'id -a' over 'id -Gn' (the former is good about spaces in group names)
39 if (($groups = `id -a 2>/dev/null`) ne '') {
40 # $groups is of the form:
41 # uid=39957(gsar) gid=22(users) groups=33536,39181,22(users),0(root),1067(dev)
42 last GROUPS if $groups =~ /groups=/;
44 if (($groups = `id -Gn 2>/dev/null`) ne '') {
45 # $groups could be of the form:
46 # users 33536 39181 root dev
47 last GROUPS if $groups !~ /^(\d|\s)+$/;
49 if (($groups = `groups 2>/dev/null`) ne '') {
50 # may not reflect all groups in some places, so do a sanity check
53 # These test results *may* be bogus, as you appear to have AFS,
54 # and I can't find a working 'id' in your PATH (which I have set
57 # If these tests fail, report the particular incantation you use
58 # on this platform to find *all* the groups that an arbitrary
59 # luser may belong to, using the 'perlbug' program.
68 unless (eval { getgrgid(0); 1 }) {
69 print "1..0 # Skip: getgrgid() not implemented\n";
73 # Remember that group names can contain whitespace, '-', et cetera.
74 # That is: do not \w, do not \S.
75 if ($groups =~ /groups=(.+)( [ug]id=|$)/) {
77 my @g0 = split /,/, $gr;
79 # prefer names over numbers
82 if (/^(\d+)(?:\(([^)]+)\))?/) {
86 elsif (/^([^(]*)\((\d+)\)/) {
90 print "# ignoring group entry [$_]\n";
93 print "# groups=$gr\n";
102 ($pwgnam) = getgrgid($pwgid);
103 @basegroup{$pwgid,$pwgnam} = (1,1);
107 for (split(' ', $()) {
109 ($group) = getgrgid($_);
110 if (defined $group) {
118 if ($^O =~ /^(?:uwin|solaris)$/) {
119 # Or anybody else who can have spaces in group names.
120 $gr1 = join(' ', grep(!$did{$_}++, sort split(' ', join(' ', @gr))));
122 $gr1 = join(' ', sort @gr);
125 $gr2 = join(' ', grep(!$basegroup{$_}++, sort split(' ',$groups)));
131 print "#gr1 is <$gr1>\n";
132 print "#gr2 is <$gr2>\n";
136 # multiple 0's indicate GROUPSTYPE is currently long but should be short
138 if ($pwgid == 0 || $seen{0} < 2) {
142 print "not ok 2 (groupstype should be type short, not long)\n";