#!/usr/bin/perl 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"; sub download { my $mirror = shift; open WGET, "wget -t1 --timeout=20 -O- \"$mirror/$filename\" |" or die "Cannot launch wget.\n"; open MD5SUM, "| md5sum > \"$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>) { /type="radio" name="use_default" value="(\w+)" onclick="form\.submit\(\)"\/>/ 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, $mirror; } } #push @mirrors, 'http://mirror1.openwrt.org/'; #push @mirrors, 'http://mirror2.openwrt.org/'; push @mirrors, 'http://downloads.openwrt.org/sources/'; while (!$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;