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