1 files changed, 112 insertions, 0 deletions
diff --git a/scripts/download.pl b/scripts/download.pl
new file mode 100755
index 0000000..f636cca
--- /dev/null
+++ b/scripts/download.pl
@@ -0,0 +1,112 @@
+#!/usr/bin/perl
+# 
+# Copyright (C) 2006 OpenWrt.org
+#
+# This is free software, licensed under the GNU General Public License v2.
+# See /LICENSE for more information.
+#
+
+use strict;
+use warnings;
+
+my $target = shift @ARGV;
+my $filename = shift @ARGV;
+my $md5sum = shift @ARGV;
+my @mirrors;
+
+my $ok;
+
+@ARGV > 0 or die "Syntax: $0 <target dir> <filename> <md5sum> <mirror> [<mirror> ...]\n";
+
+my $md5cmd = `which md5sum`;
+$md5cmd or $md5cmd = `which md5`;
+$md5cmd or die 'no md5 checksum program found, please install md5 or md5sum';
+chomp $md5cmd;
+
+sub download
+{
+	my $mirror = shift;
+
+	open WGET, "wget -t1 --timeout=20 -O- \"$mirror/$filename\" |" or die "Cannot launch wget.\n";
+	open MD5SUM, "| $md5cmd > \"$target/$filename.md5sum\"" or die "Cannot launch md5sum.\n";
+	open OUTPUT, "> $target/$filename.dl" or die "Cannot create file $target/$filename.dl: $!\n";
+	my $buffer;
+	while (read WGET, $buffer, 1048576) {
+		print MD5SUM $buffer;
+		print OUTPUT $buffer;
+	}
+	close MD5SUM;
+	close WGET;
+	close OUTPUT;
+	
+	if (($? >> 8) != 0 ) {
+		print STDERR "Download failed.\n";
+		cleanup();
+		return;
+	}
+	
+	my $sum = `cat "$target/$filename.md5sum"`;
+	$sum =~ /^(\w+)\s*/ or die "Could not generate md5sum\n";
+	$sum = $1;
+	
+	if (($md5sum =~ /\w{32}/) and ($sum ne $md5sum)) {
+		print STDERR "MD5 sum of the downloaded file does not match - deleting download.\n";
+		cleanup();
+		return;
+	}
+	
+	unlink "$target/$filename";
+	system("mv \"$target/$filename.dl\" \"$target/$filename\"");
+	cleanup();
+}
+
+sub cleanup
+{
+	unlink "$target/$filename.dl";
+	unlink "$target/$filename.md5sum";
+}
+
+foreach my $mirror (@ARGV) {
+	if ($mirror =~ /^\@SF\/(.+)$/) {
+		my $sfpath = $1;
+		open SF, "wget -t1 -q -O- 'http://prdownloads.sourceforge.net/$sfpath/$filename' |";
+		while (<SF>) {
+			/RADIO NAME=use_default VALUE=(\w+) OnClick="form\.submit\(\)">/ or
+			/type="radio" name="use_default" value="(\w+)" onclick="form\.submit\(\)"\/>/ and do {
+				push @mirrors, "http://$1.dl.sourceforge.net/sourceforge/$sfpath";
+			};
+			/<a href="\/.+\?use_mirror=(\w+)"><b>Download/ and do {
+				push @mirrors, "http://$1.dl.sourceforge.net/sourceforge/$sfpath";
+			};
+		}
+		push @mirrors, "http://dl.sourceforge.net/sourceforge/$sfpath";
+		close SF;
+	} elsif ($mirror =~ /^\@GNU\/(.+)$/) {
+		my $gnupath = $1;
+		push @mirrors, "ftp://ftp.gnu.org/gnu/$gnupath";
+		push @mirrors, "ftp://ftp.belnet.be/mirror/ftp.gnu.org/gnu/$gnupath";
+		push @mirrors, "ftp://ftp.mirror.nl/pub/mirror/gnu/$gnupath";
+		push @mirrors, "http://mirror.switch.ch/ftp/mirror/gnu/$gnupath";
+		push @mirrors, "ftp://ftp.uu.net/archive/systems/gnu/$gnupath";
+		push @mirrors, "ftp://ftp.eu.uu.net/pub/gnu/$gnupath";
+		push @mirrors, "ftp://ftp.leo.org/pub/comp/os/unix/gnu/$gnupath";
+		push @mirrors, "ftp://ftp.digex.net/pub/gnu/$gnupath";
+	} else {
+		push @mirrors, $mirror;
+	}
+}
+
+#push @mirrors, 'http://mirror1.openwrt.org/';
+push @mirrors, 'http://mirror2.openwrt.org/sources';
+push @mirrors, 'http://downloads.openwrt.org/sources/';
+
+while (!$ok) {
+	my $mirror = shift @mirrors;
+	$mirror or die "No more mirrors to try - giving up.\n";
+	
+	download($mirror);
+	-f "$target/$filename" and $ok = 1;
+}
+
+$SIG{INT} = \&cleanup;
+