diff options
Diffstat (limited to 'scripts/download.pl')
| -rwxr-xr-x | scripts/download.pl | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/scripts/download.pl b/scripts/download.pl new file mode 100755 index 0000000..abe0bfa --- /dev/null +++ b/scripts/download.pl @@ -0,0 +1,211 @@ +#!/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; +use File::Copy; + +@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, $_ if $_; + } + close LM; + }; + open CONFIG, "<".$ENV{'TOPDIR'}."/.config" and do { + while (<CONFIG>) { + /^CONFIG_LOCALMIRROR="(.+)"/ and do { + chomp; + my @local_mirrors = split(/;/, $1); + push @mlist, @local_mirrors; + }; + } + close CONFIG; + }; + + my $mirror = $ENV{'DOWNLOAD_MIRROR'}; + $mirror and push @mlist, split(/;/, $mirror); + + return @mlist; +} + +sub which($) { + 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") || which("md5") || die 'no md5 checksum program found, please install md5 or md5sum'; +chomp $md5cmd; + +sub download +{ + my $mirror = shift; + my $options = $ENV{WGET_OPTIONS} || ""; + + $mirror =~ s!/$!!; + + if ($mirror =~ s!^file://!!) { + if (! -d "$mirror") { + print STDERR "Wrong local cache directory -$mirror-.\n"; + cleanup(); + return; + } + + if (! -d "$target") { + system("mkdir", "-p", "$target/"); + } + + if (! open TMPDLS, "find $mirror -follow -name $filename 2>/dev/null |") { + print("Failed to search for $filename in $mirror\n"); + return; + } + + my $link; + + while (defined(my $line = readline TMPDLS)) { + chomp ($link = $line); + if ($. > 1) { + print("$. or more instances of $filename in $mirror found . Only one instance allowed.\n"); + return; + } + } + + close TMPDLS; + + if (! $link) { + print("No instances of $filename found in $mirror.\n"); + return; + } + + print("Copying $filename from $link\n"); + copy($link, "$target/$filename.dl"); + + if (system("$md5cmd '$target/$filename.dl' > '$target/$filename.md5sum'")) { + print("Failed to generate md5 sum for $filename\n"); + return; + } + } else { + open WGET, "wget -t5 --timeout=20 --no-check-certificate $options -O- '$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) { + 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, "http://ftpmirror.gnu.org/$1"; + push @mirrors, "http://ftp.gnu.org/pub/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/$1"; + } elsif ($mirror =~ /^\@SAVANNAH\/(.+)$/) { + push @mirrors, "http://download.savannah.gnu.org/releases/$1"; + push @mirrors, "http://nongnu.uib.no/$1"; + push @mirrors, "http://ftp.igh.cnrs.fr/pub/nongnu/$1"; + push @mirrors, "http://download-mirror.savannah.gnu.org/releases/$1"; + } elsif ($mirror =~ /^\@KERNEL\/(.+)$/) { + my @extra = ( $1 ); + if ($filename =~ /linux-\d+\.\d+(?:\.\d+)?-rc/) { + push @extra, "$extra[0]/testing"; + } elsif ($filename =~ /linux-(\d+\.\d+(?:\.\d+)?)/) { + push @extra, "$extra[0]/longterm/v$1"; + } + foreach my $dir (@extra) { + push @mirrors, "https://kernel.org/pub/$dir"; + push @mirrors, "ftp://kernel.org/pub/$dir"; + } + } elsif ($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; + |