140 lines
3.2 KiB
Perl
Executable File
140 lines
3.2 KiB
Perl
Executable File
#!./perl
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BEGIN {
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chdir 't' if -d 't';
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unshift @INC, "../lib" if -d "../lib";
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eval {my @n = getgrgid 0};
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if ($@ && $@ =~ /(The \w+ function is unimplemented)/) {
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print "1..0 # Skip: $1\n";
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exit 0;
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}
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eval { require Config; import Config; };
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my $reason;
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if ($Config{'i_grp'} ne 'define') {
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$reason = '$Config{i_grp} not defined';
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}
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elsif (not -f "/etc/group" ) { # Play safe.
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$reason = 'no /etc/group file';
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}
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if (not defined $where) { # Try NIS.
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foreach my $ypcat (qw(/usr/bin/ypcat /bin/ypcat /etc/ypcat)) {
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if (-x $ypcat &&
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open(GR, "$ypcat group 2>/dev/null |") &&
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defined(<GR>)) {
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$where = "NIS group";
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undef $reason;
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last;
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}
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}
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}
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if (not defined $where) { # Try NetInfo.
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foreach my $nidump (qw(/usr/bin/nidump)) {
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if (-x $nidump &&
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open(GR, "$nidump group . 2>/dev/null |") &&
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defined(<GR>)) {
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$where = "NetInfo group";
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undef $reason;
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last;
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}
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}
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}
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if (not defined $where) { # Try local.
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my $GR = "/etc/group";
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if (-f $GR && open(GR, $GR) && defined(<GR>)) {
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undef $reason;
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$where = $GR;
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}
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}
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if ($reason) {
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print "1..0 # Skip: $reason\n";
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exit 0;
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}
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}
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# By now GR filehandle should be open and full of juicy group entries.
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print "1..1\n";
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# Go through at most this many groups.
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# (note that the first entry has been read away by now)
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my $max = 25;
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my $n = 0;
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my $tst = 1;
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my %perfect;
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my %seen;
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while (<GR>) {
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chomp;
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my @s = split /:/;
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my ($name_s,$passwd_s,$gid_s,$members_s) = @s;
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if (@s) {
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push @{ $seen{$name_s} }, $.;
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} else {
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warn "# Your $where line $. is empty.\n";
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next;
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}
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if ($n == $max) {
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local $/;
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my $junk = <GR>;
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last;
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}
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# In principle we could whine if @s != 4 but do we know enough
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# of group file formats everywhere?
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if (@s == 4) {
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$members_s =~ s/\s*,\s*/,/g;
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$members_s =~ s/\s+$//;
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$members_s =~ s/^\s+//;
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@n = getgrgid($gid_s);
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# 'nogroup' et al.
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next unless @n;
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my ($name,$passwd,$gid,$members) = @n;
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# Protect against one-to-many and many-to-one mappings.
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if ($name_s ne $name) {
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@n = getgrnam($name_s);
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($name,$passwd,$gid,$members) = @n;
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next if $name_s ne $name;
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}
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# NOTE: group names *CAN* contain whitespace.
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$members =~ s/\s+/,/g;
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# what about different orders of members?
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$perfect{$name_s}++
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if $name eq $name_s and
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# Do not compare passwords: think shadow passwords.
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# Not that group passwords are used much but better not assume anything.
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$gid eq $gid_s and
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$members eq $members_s;
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}
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$n++;
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}
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if (keys %perfect == 0) {
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$max++;
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print <<EOEX;
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#
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# The failure of op/grent test is not necessarily serious.
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# It may fail due to local group administration conventions.
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# If you are for example using both NIS and local groups,
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# test failure is possible. Any distributed group scheme
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# can cause such failures.
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#
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# What the grent test is doing is that it compares the $max first
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# entries of $where
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# with the results of getgrgid() and getgrnam() call. If it finds no
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# matches at all, it suspects something is wrong.
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#
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EOEX
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print "not ";
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$not = 1;
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} else {
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$not = 0;
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}
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print "ok ", $tst++;
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print "\t# (not necessarily serious: run t/op/grent.t by itself)" if $not;
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print "\n";
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close(GR);
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