BEGIN {
chdir 't' if -d 't';
- @INC = "../lib" if -d "../lib";
+ @INC = '../lib';
+ eval {my @n = getgrgid 0};
+ if ($@ && $@ =~ /(The \w+ function is unimplemented)/) {
+ print "1..0 # Skip: $1\n";
+ exit 0;
+ }
eval { require Config; import Config; };
+ my $reason;
+ if ($Config{'i_grp'} ne 'define') {
+ $reason = '$Config{i_grp} not defined';
+ }
+ elsif (not -f "/etc/group" ) { # Play safe.
+ $reason = 'no /etc/group file';
+ }
+
+ if (not defined $where) { # Try NIS.
+ foreach my $ypcat (qw(/usr/bin/ypcat /bin/ypcat /etc/ypcat)) {
+ if (-x $ypcat &&
+ open(GR, "$ypcat group 2>/dev/null |") &&
+ defined(<GR>)) {
+ $where = "NIS group";
+ undef $reason;
+ last;
+ }
+ }
+ }
- my $GR = "/etc/group";
+ if (not defined $where) { # Try NetInfo.
+ foreach my $nidump (qw(/usr/bin/nidump)) {
+ if (-x $nidump &&
+ open(GR, "$nidump group . 2>/dev/null |") &&
+ defined(<GR>)) {
+ $where = "NetInfo group";
+ undef $reason;
+ last;
+ }
+ }
+ }
- if ($Config{'i_grp'} ne 'define' or not -f $GR or not open(GR, $GR)) {
- print "1..0\n";
+ if (not defined $where) { # Try local.
+ my $GR = "/etc/group";
+ if (-f $GR && open(GR, $GR) && defined(<GR>)) {
+ undef $reason;
+ $where = $GR;
+ }
+ }
+ if ($reason) {
+ print "1..0 # Skip: $reason\n";
exit 0;
}
}
-print "1..1\n";
+# By now the GR filehandle should be open and full of juicy group entries.
+
+print "1..2\n";
# Go through at most this many groups.
-my $max = 25; #
+# (note that the first entry has been read away by now)
+my $max = 25;
-my $n = 0;
-my $not;
+my $n = 0;
my $tst = 1;
+my %perfect;
+my %seen;
+
+print "# where $where\n";
+
+setgrent();
-$not = 0;
while (<GR>) {
- last if $n == $max;
chomp;
- @s = split /:/;
+ # LIMIT -1 so that groups with no users don't fall off
+ my @s = split /:/, $_, -1;
+ my ($name_s,$passwd_s,$gid_s,$members_s) = @s;
+ if (@s) {
+ push @{ $seen{$name_s} }, $.;
+ } else {
+ warn "# Your $where line $. is empty.\n";
+ next;
+ }
+ if ($n == $max) {
+ local $/;
+ my $junk = <GR>;
+ last;
+ }
+ # In principle we could whine if @s != 4 but do we know enough
+ # of group file formats everywhere?
if (@s == 4) {
- my ($name_s,$passwd_s,$gid_s,$members_s) = @s;
$members_s =~ s/\s*,\s*/,/g;
+ $members_s =~ s/\s+$//;
+ $members_s =~ s/^\s+//;
@n = getgrgid($gid_s);
# 'nogroup' et al.
next unless @n;
($name,$passwd,$gid,$members) = @n;
next if $name_s ne $name;
}
+ # NOTE: group names *CAN* contain whitespace.
$members =~ s/\s+/,/g;
- $not = 1, last
- if $name ne $name_s or
-# Shadow passwords confuse this.
-# $passwd ne $passwd_s or
- $gid ne $gid_s or
- $members ne $members_s;
+ # what about different orders of members?
+ $perfect{$name_s}++
+ if $name eq $name_s and
+# Do not compare passwords: think shadow passwords.
+# Not that group passwords are used much but better not assume anything.
+ $gid eq $gid_s and
+ $members eq $members_s;
}
$n++;
}
-print "not " if $not;
+endgrent();
+
+print "# max = $max, n = $n, perfect = ", scalar keys %perfect, "\n";
+
+if (keys %perfect == 0 && $n) {
+ $max++;
+ print <<EOEX;
+#
+# The failure of op/grent test is not necessarily serious.
+# It may fail due to local group administration conventions.
+# If you are for example using both NIS and local groups,
+# test failure is possible. Any distributed group scheme
+# can cause such failures.
+#
+# What the grent test is doing is that it compares the $max first
+# entries of $where
+# with the results of getgrgid() and getgrnam() call. If it finds no
+# matches at all, it suspects something is wrong.
+#
+EOEX
+ print "not ";
+ $not = 1;
+} else {
+ $not = 0;
+}
+print "ok ", $tst++;
+print "\t# (not necessarily serious: run t/op/grent.t by itself)" if $not;
+print "\n";
+
+# Test both the scalar and list contexts.
+
+my @gr1;
+
+setgrent();
+for (1..$max) {
+ my $gr = scalar getgrent();
+ last unless defined $gr;
+ push @gr1, $gr;
+}
+endgrent();
+
+my @gr2;
+
+setgrent();
+for (1..$max) {
+ my ($gr) = (getgrent());
+ last unless defined $gr;
+ push @gr2, $gr;
+}
+endgrent();
+
+print "not " unless "@gr1" eq "@gr2";
print "ok ", $tst++, "\n";
close(GR);