#!/usr/bin/env 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; use File::Basename; @ARGV > 2 or die "Syntax: $0 <target dir> <filename> <md5sum> [<mirror> ...]\n"; my $target = shift @ARGV; my $filename = shift @ARGV; my $md5sum = shift @ARGV; my $scriptdir = dirname($0); my @mirrors; my $ok; sub localmirrors { my @mlist; open LM, "$scriptdir/localmirrors" and do { while (<LM>) { chomp $_; push @mlist, $_; } close LM; }; open CONFIG, "<".$ENV{'TOPDIR'}."/.config" and do { while (<CONFIG>) { /^CONFIG_LOCALMIRROR="(.+)"/ and do { chomp; my @local_mirrors = split(/;/, $1); push @mlist, @local_mirrors; }; } close CONFIG; }; return @mlist; } sub which($) { my $prog = shift; my $res = `which $prog`; $res or return undef; $res =~ /^no / and return undef; $res =~ /not found/ and return undef; return $res; } 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; my $options = $ENV{WGET_OPTIONS}; $options or $options = ""; $mirror =~ s/\/$//; if( $mirror =~ /^file:\/\// ) { my $cache = $mirror; $cache =~ s/file:\/\///g; if(system("test -d $cache")) { print STDERR "Wrong local cache directory -$cache-.\n"; cleanup(); return; } if(! -d $target) { system("mkdir -p $target/"); } system("cp -vf $cache/$filename $target/$filename.dl") == 0 or return; system("$md5cmd $target/$filename.dl > \"$target/$filename.md5sum\" ") == 0 or return; } else { open WGET, "wget -t5 --timeout=20 $options -O- \"$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 (file: $sum, requested: $md5sum) - deleting download.\n"; cleanup(); return; } unlink "$target/$filename"; system("mv \"$target/$filename.dl\" \"$target/$filename\""); cleanup(); } sub cleanup { unlink "$target/$filename.dl"; unlink "$target/$filename.md5sum"; } @mirrors = localmirrors(); foreach my $mirror (@ARGV) { if ($mirror =~ /^\@SF\/(.+)$/) { # give sourceforge a few more tries, because it redirects to different mirrors for (1 .. 5) { push @mirrors, "http://downloads.sourceforge.net/$1"; } } elsif ($mirror =~ /^\@GNU\/(.+)$/) { push @mirrors, "ftp://ftp.gnu.org/gnu/$1"; push @mirrors, "ftp://ftp.belnet.be/mirror/ftp.gnu.org/gnu/$1"; push @mirrors, "ftp://ftp.mirror.nl/pub/mirror/gnu/$1"; push @mirrors, "http://mirror.switch.ch/ftp/mirror/gnu/$1"; push @mirrors, "ftp://ftp.uu.net/archive/systems/gnu/$1"; push @mirrors, "ftp://ftp.eu.uu.net/pub/gnu/$1"; push @mirrors, "ftp://ftp.leo.org/pub/comp/os/unix/gnu/$1"; push @mirrors, "ftp://ftp.digex.net/pub/gnu/$1"; } elsif ($mirror =~ /^\@KERNEL\/(.+)$/) { push @mirrors, "ftp://ftp.all.kernel.org/pub/$1"; push @mirrors, "http://ftp.all.kernel.org/pub/$1"; push @mirrors, "ftp://ftp.de.kernel.org/pub/$1"; push @mirrors, "http://ftp.de.kernel.org/pub/$1"; push @mirrors, "ftp://ftp.fr.kernel.org/pub/$1"; push @mirrors, "http://ftp.fr.kernel.org/pub/$1"; } elsif ($mirror =~ /^\@GNOME\/(.+)$/) { push @mirrors, "http://ftp.gnome.org/pub/GNOME/sources/$1"; push @mirrors, "http://ftp.unina.it/pub/linux/GNOME/sources/$1"; push @mirrors, "http://fr2.rpmfind.net/linux/gnome.org/sources/$1"; push @mirrors, "ftp://ftp.dit.upm.es/pub/GNOME/sources/$1"; push @mirrors, "ftp://ftp.no.gnome.org/pub/GNOME/sources/$1"; push @mirrors, "http://ftp.acc.umu.se/pub/GNOME/sources/$1"; push @mirrors, "http://ftp.belnet.be/mirror/ftp.gnome.org/sources/$1"; push @mirrors, "http://linorg.usp.br/gnome/sources/$1"; push @mirrors, "http://mirror.aarnet.edu.au/pub/GNOME/sources/$1"; push @mirrors, "http://mirrors.ibiblio.org/pub/mirrors/gnome/sources/$1"; push @mirrors, "ftp://ftp.cse.buffalo.edu/pub/Gnome/sources/$1"; push @mirrors, "ftp://ftp.nara.wide.ad.jp/pub/X11/GNOME/sources/$1"; } 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;