1 files changed, 82 insertions, 0 deletions
diff --git a/usr.sbin/pkg_add/OpenBSD/ArcCheck.pm b/usr.sbin/pkg_add/OpenBSD/ArcCheck.pm
new file mode 100644
index 00000000000..8e1702d86be
--- /dev/null
+++ b/usr.sbin/pkg_add/OpenBSD/ArcCheck.pm
@@ -0,0 +1,82 @@
+# ex:ts=8 sw=4:
+# $OpenBSD: ArcCheck.pm,v 1.1 2005/08/07 14:18:05 espie Exp $
+#
+# Copyright (c) 2005 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
+# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+
+# Supplementary code to handle archives.
+
+package OpenBSD::Ustar::Object;
+
+sub check_name
+{
+	my ($self, $name) = @_;
+	return 1 if $self->{name} eq $name;
+	if ($self->{name} =~ m/^LongName\d+$/) {
+		$self->{name} = $name;
+		return 1;
+	}
+	return 0;
+}
+
+sub check_linkname
+{
+	my ($self, $linkname) = @_;
+	my $c = $self->{linkname};
+	if ($self->isHardLink() && defined $self->{cwd}) {
+		$c = $self->{cwd}.'/'.$c;
+	}
+	return 1 if $c eq $linkname;
+	if ($self->{linkname} =~ m/^Long(?:Link|Name)\d+$/) {
+		$self->{linkname} = $linkname;
+		if ($self->isHardLink() && defined $self->{cwd}) {
+			$self->{linkname} =~ s|^$self->{cwd}/||;
+		}
+		return 1;
+	}
+	return 0;
+}
+
+sub copy_long
+{
+	my ($self, $wrarc) = @_;
+	if ($self->{name} =~ m/^LongName(\d+)$/) {
+		$wrarc->{name_index} = $1 + 1;
+	}
+	if (length($self->{name}) > MAXFILENAME+MAXPREFIX+1) {
+		$wrarc->{name_index} = 0 if !defined $wrarc->{name_index};
+		$entry->{name} = 'LongName'.$wrarc->{name_index}++;
+	}
+	$self->copy($wrarc);
+}
+
+package OpenBSD::Ustar;
+
+sub prepare_long
+{
+	my ($self, $filename) = @_;
+	my $entry = $self->prepare($filename);
+	my ($prefix, $name) = split_name($entry->{name});
+	if (length($name) > MAXFILENAME || length($prefix) > MAXPREFIX) {
+		$self->{name_index} = 0 if !defined $self->{name_index};
+		$entry->{name} = 'LongName'.$self->{name_index}++;
+	}
+	if (length($entry->{linkname}) > MAXLINKNAME) {
+		$self->{linkname_index} = 0 if !defined $self->{linkname_index};
+		$entry->{linkname} = 'LongLink'.$self->{linkname_index}++;
+	}
+	return $entry;
+}
+
+1;