Vendor import of Perl 5.006

1 files changed, 137 insertions, 0 deletions

diff --git a/contrib/perl5/t/op/pwent.t b/contrib/perl5/t/op/pwent.t
new file mode 100755
index 0000000..ca14a99
--- /dev/null
+++ b/contrib/perl5/t/op/pwent.t
@@ -0,0 +1,137 @@
+#!./perl
+
+BEGIN {
+    chdir 't' if -d 't';
+    unshift @INC, "../lib" if -d "../lib";
+    eval {my @n = getpwuid 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_pwd'} ne 'define') {
+	$reason = '$Config{i_pwd} undefined';
+    }
+    elsif (not -f "/etc/passwd" ) { # Play safe.
+	$reason = 'no /etc/passwd file';
+    }
+
+    if (not defined $where) {	# Try NIS.
+	foreach my $ypcat (qw(/usr/bin/ypcat /bin/ypcat /etc/ypcat)) {
+	    if (-x $ypcat &&
+		open(PW, "$ypcat passwd 2>/dev/null |") &&
+		defined(<PW>)) {
+		$where = "NIS passwd";
+		undef $reason;
+		last;
+	    }
+	}
+    }
+
+    if (not defined $where) {	# Try NetInfo.
+	foreach my $nidump (qw(/usr/bin/nidump)) {
+	    if (-x $nidump &&
+		open(PW, "$nidump passwd . 2>/dev/null |") &&
+		defined(<PW>)) {
+		$where = "NetInfo passwd";
+		undef $reason;
+		last;
+	    }
+	}
+    }
+
+    if (not defined $where) {	# Try local.
+	my $PW = "/etc/passwd";
+	if (-f $PW && open(PW, $PW) && defined(<PW>)) {
+	    $where = $PW;
+	    undef $reason;
+	}
+    }
+
+    if ($reason) {	# Give up.
+	print "1..0 # Skip: $reason\n";
+	exit 0;
+    }
+}
+
+# By now PW filehandle should be open and full of juicy password entries.
+
+print "1..1\n";
+
+# Go through at most this many users.
+# (note that the first entry has been read away by now)
+my $max = 25;
+
+my $n = 0;
+my $tst = 1;
+my %perfect;
+my %seen;
+
+while (<PW>) {
+    chomp;
+    my @s = split /:/;
+    my ($name_s, $passwd_s, $uid_s, $gid_s, $gcos_s, $home_s, $shell_s) = @s;
+    next if /^\+/; # ignore NIS includes
+    if (@s) {
+	push @{ $seen{$name_s} }, $.;
+    } else {
+	warn "# Your $where line $. is empty.\n";
+	next;
+    }
+    if ($n == $max) {
+	local $/;
+	my $junk = <PW>;
+	last;
+    }
+    # In principle we could whine if @s != 7 but do we know enough
+    # of passwd file formats everywhere?
+    if (@s == 7) {
+	@n = getpwuid($uid_s);
+	# 'nobody' et al.
+	next unless @n;
+	my ($name,$passwd,$uid,$gid,$quota,$comment,$gcos,$home,$shell) = @n;
+	# Protect against one-to-many and many-to-one mappings.
+	if ($name_s ne $name) {
+	    @n = getpwnam($name_s);
+	    ($name,$passwd,$uid,$gid,$quota,$comment,$gcos,$home,$shell) = @n;
+	    next if $name_s ne $name;
+	}
+	$perfect{$name_s}++
+	    if $name    eq $name_s    and
+               $uid     eq $uid_s     and
+# Do not compare passwords: think shadow passwords.
+               $gid     eq $gid_s     and
+               $gcos    eq $gcos_s    and
+               $home    eq $home_s    and
+               $shell   eq $shell_s;
+    }
+    $n++;
+}
+
+if (keys %perfect == 0) {
+    $max++;
+    print <<EOEX;
+#
+# The failure of op/pwent test is not necessarily serious.
+# It may fail due to local password administration conventions.
+# If you are for example using both NIS and local passwords,
+# test failure is possible.  Any distributed password scheme
+# can cause such failures.
+#
+# What the pwent test is doing is that it compares the $max first
+# entries of $where
+# with the results of getpwuid() and getpwnam() 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/pwent.t by itself)" if $not;
+print "\n";
+
+close(PW);