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#!./perl
$ENV{PATH} = '/usr/xpg4/bin:/bin:/usr/bin:/usr/ucb';
# We have to find a command that prints all (effective
# and real) group names (not ids). The known commands are:
# groups
# id -Gn
# id -a
# Beware 1: some systems do just 'id -G' even when 'id -Gn' is used.
# Beware 2: id -Gn or id -a format might be id(name) or name(id).
# Beware 3: the groups= might be anywhere in the id output.
#
# That is, we might meet the following:
#
# foo bar zot # accept
# 1 2 3 # reject
# groups=foo(1),bar(2),zot(3) # parse
# groups=1(foo),2(bar),3(zot) # parse
#
# and the groups= might be after, before, or between uid=... and gid=...
GROUPS: {
last GROUPS if ($groups = `groups 2>/dev/null`) ne '';
if ($groups = `id -Gn 2>/dev/null` ne '') {
last GROUPS unless $groups =~ /^(\d+)(\s+\d)*$/;
}
if ($groups = `id -a 2>/dev/null` ne '') {
# Grok format soon.
last GROUPS;
}
# Okay, not today.
print "1..0\n";
exit 0;
}
# Remember that group names can contain whitespace, '-', et cetera.
# That is: do not \w, do not \S.
if ($groups =~ /groups=((.+?\(.+?\))(,.+?\(.+?\))*)( [ug]id=|$)/) {
my $gr = $1;
my @g0 = $gr =~ /(.+?)\((.+?)\),?/g;
my @g1 = @g0[ map { $_ * 2 } 0..$#g0/2 ];
my @g2 = @g0[ map { $_ * 2 + 1 } 0..$#g0/2 ];
print "# g0 = @g0\n";
print "# g1 = @g1\n";
print "# g2 = @g2\n";
if (grep /\D/, @g1) {
$groups = join(" ", @g1);
} elsif (grep /\D/, @g2) {
$groups = join(" ", @g2);
} else {
# Let's fail. We want to parse the output. Really.
}
}
print "1..2\n";
$pwgid = $( + 0;
($pwgnam) = getgrgid($pwgid);
@basegroup{$pwgid,$pwgnam} = (1,1);
$seen{$pwgid}++;
for (split(' ', $()) {
next if $seen{$_}++;
($group) = getgrgid($_);
if (defined $group) {
push(@gr, $group);
}
else {
push(@gr, $_);
}
}
if ($^O eq "uwin") { # Or anybody else who can have spaces in group names.
$gr1 = join(' ', grep(!$did{$_}++, sort split(' ', join(' ', @gr))));
} else {
$gr1 = join(' ', sort @gr);
}
$gr2 = join(' ', grep(!$basegroup{$_}++, sort split(' ',$groups)));
if ($gr1 eq $gr2) {
print "ok 1\n";
}
else {
print "#gr1 is <$gr1>\n";
print "#gr2 is <$gr2>\n";
print "not ok 1\n";
}
# multiple 0's indicate GROUPSTYPE is currently long but should be short
if ($pwgid == 0 || $seen{0} < 2) {
print "ok 2\n";
}
else {
print "not ok 2 (groupstype should be type short, not long)\n";
}
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