IdCache module, that deals with uid/gid caches.

1 files changed, 66 insertions, 0 deletions

diff --git a/usr.sbin/pkg_add/OpenBSD/IdCache.pm b/usr.sbin/pkg_add/OpenBSD/IdCache.pm
new file mode 100644
index 00000000000..2c08f718c5c
--- /dev/null
+++ b/usr.sbin/pkg_add/OpenBSD/IdCache.pm
@@ -0,0 +1,66 @@
+# ex:ts=8 sw=4:
+# $OpenBSD: IdCache.pm,v 1.1 2004/09/14 22:37:39 espie Exp $
+#
+# Copyright (c) 2002-2004 Marc Espie <espie@openbsd.org>
+#
+# Permission to use, copy, modify, and distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+#
+
+use strict;
+use warnings;
+package OpenBSD::IdCache;
+
+sub new
+{
+	my $class = shift;
+	bless {}, $class;
+}
+
+sub lookup
+{
+	my ($self, $name, $default) = @_;
+	my $r;
+
+	if ($name =~ m/^\d+$/) {
+		return $name;
+	}
+	if (defined $self->{$name}) {
+		$r = $self->{$name};
+	} else {
+		$r = $self->convert($name);
+		if (!defined $r) {
+			$r = $default;
+		}
+		$self->{$name} = $r;
+	}
+	return $r;
+}
+
+package OpenBSD::UidCache;
+our @ISA=qw(OpenBSD::IdCache);
+
+sub convert
+{
+	my @entry = getpwnam($_[1]);
+	return @entry == 0 ? undef : $entry[2];
+}
+
+package OpenBSD::GidCache;
+our @ISA=qw(OpenBSD::IdCache);
+
+sub convert
+{
+	my @entry = getgrnam($_[1]);
+	return @entry == 0 ? undef : $entry[2];
+}
+	
+1;