ds-lite: make tunnel encapsulation limit support configurable (FS#1501)
[openwrt/openwrt.git] / scripts / download.pl
index 66eaca8..34fd6a6 100755 (executable)
@@ -1,6 +1,7 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
 # 
 # Copyright (C) 2006 OpenWrt.org
+# Copyright (C) 2016 LEDE project
 #
 # 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;
+use Text::ParseWords;
 
-my $target = shift @ARGV;
+@ARGV > 2 or die "Syntax: $0 <target dir> <filename> <hash> <url filename> [<mirror> ...]\n";
+
+my $url_filename;
+my $target = glob(shift @ARGV);
 my $filename = shift @ARGV;
-my $md5sum = shift @ARGV;
+my $file_hash = shift @ARGV;
+$url_filename = shift @ARGV unless $ARGV[0] =~ /:\/\//;
 my $scriptdir = dirname($0);
 my @mirrors;
-
 my $ok;
 
-@ARGV > 0 or die "Syntax: $0 <target dir> <filename> <md5sum> <mirror> [<mirror> ...]\n";
+$url_filename or $url_filename = $filename;
 
 sub localmirrors {
-    my @mlist;
-    open LM, "$scriptdir/localmirrors" and do {
+       my @mlist;
+       open LM, "$scriptdir/localmirrors" and do {
            while (<LM>) {
                        chomp $_;
-                       push @mlist, $_;
+                       push @mlist, $_ if $_;
                }
                close LM;
        };
@@ -33,14 +39,17 @@ sub localmirrors {
                while (<CONFIG>) {
                        /^CONFIG_LOCALMIRROR="(.+)"/ and do {
                                chomp;
-                               push @mlist, $1;
+                               my @local_mirrors = split(/;/, $1);
+                               push @mlist, @local_mirrors;
                        };
                }
                close CONFIG;
        };
-       
 
-    return @mlist;
+       my $mirror = $ENV{'DOWNLOAD_MIRROR'};
+       $mirror and push @mlist, split(/;/, $mirror);
+
+       return @mlist;
 }
 
 sub which($) {
@@ -52,55 +61,128 @@ sub which($) {
        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 hash_cmd() {
+       my $len = length($file_hash);
+       my $cmd;
+
+       $len == 64 and return "mkhash sha256";
+       $len == 32 and return "mkhash md5";
+       return undef;
+}
+
+sub download_cmd($) {
+       my $url = shift;
+       my $have_curl = 0;
+
+       if (open CURL, '-|', 'curl', '--version') {
+               if (defined(my $line = readline CURL)) {
+                       $have_curl = 1 if $line =~ /^curl /;
+               }
+               close CURL;
+       }
+
+       return $have_curl
+               ? (qw(curl -f --connect-timeout 20 --retry 5 --location --insecure), shellwords($ENV{CURL_OPTIONS} || ''), $url)
+               : (qw(wget --tries=5 --timeout=20 --no-check-certificate --output-document=-), shellwords($ENV{WGET_OPTIONS} || ''), $url)
+       ;
+}
+
+my $hash_cmd = hash_cmd();
+$hash_cmd or ($file_hash eq "skip") or die "Cannot find appropriate hash command, ensure the provided hash is either a MD5 or SHA256 checksum.\n";
 
 sub download
 {
        my $mirror = shift;
-       my $options = $ENV{WGET_OPTIONS};
-       $options or $options = "";
-       
-       $mirror =~ s/\/$//;
-       open WGET, "wget -t1 --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 - deleting download.\n";
-               cleanup();
-               return;
+
+       $mirror =~ s!/$!!;
+
+       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");
+
+               $hash_cmd and do {
+                       if (system("cat '$target/$filename.dl' | $hash_cmd > '$target/$filename.hash'")) {
+                               print("Failed to generate hash for $filename\n");
+                               return;
+                       }
+               };
+       } else {
+               my @cmd = download_cmd("$mirror/$url_filename");
+               print STDERR "+ ".join(" ",@cmd)."\n";
+               open(FETCH_FD, '-|', @cmd) or die "Cannot launch curl or wget.\n";
+               $hash_cmd and do {
+                       open MD5SUM, "| $hash_cmd > '$target/$filename.hash'" or die "Cannot launch $hash_cmd.\n";
+               };
+               open OUTPUT, "> $target/$filename.dl" or die "Cannot create file $target/$filename.dl: $!\n";
+               my $buffer;
+               while (read FETCH_FD, $buffer, 1048576) {
+                       $hash_cmd and print MD5SUM $buffer;
+                       print OUTPUT $buffer;
+               }
+               $hash_cmd and close MD5SUM;
+               close FETCH_FD;
+               close OUTPUT;
+
+               if ($? >> 8) {
+                       print STDERR "Download failed.\n";
+                       cleanup();
+                       return;
+               }
        }
-       
+
+       $hash_cmd and do {
+               my $sum = `cat "$target/$filename.hash"`;
+               $sum =~ /^(\w+)\s*/ or die "Could not generate file hash\n";
+               $sum = $1;
+
+               if ($sum ne $file_hash) {
+                       print STDERR "Hash of the downloaded file does not match (file: $sum, requested: $file_hash) - deleting download.\n";
+                       cleanup();
+                       return;
+               }
+       };
+
        unlink "$target/$filename";
-       system("mv \"$target/$filename.dl\" \"$target/$filename\"");
+       system("mv", "$target/$filename.dl", "$target/$filename");
        cleanup();
 }
 
 sub cleanup
 {
        unlink "$target/$filename.dl";
-       unlink "$target/$filename.md5sum";
+       unlink "$target/$filename.hash";
 }
 
 @mirrors = localmirrors();
@@ -109,41 +191,82 @@ 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";
+                       push @mirrors, "https://downloads.sourceforge.net/$1";
+               }
+       } elsif ($mirror =~ /^\@APACHE\/(.+)$/) {
+               push @mirrors, "https://mirror.netcologne.de/apache.org/$1";
+               push @mirrors, "https://mirror.aarnet.edu.au/pub/apache/$1";
+               push @mirrors, "https://mirror.csclub.uwaterloo.ca/apache/$1";
+               push @mirrors, "http://mirror.cogentco.com/pub/apache/$1";
+               push @mirrors, "http://mirror.navercorp.com/apache/$1";
+               push @mirrors, "http://ftp.jaist.ac.jp/pub/apache/$1";
+               push @mirrors, "ftp://apache.cs.utah.edu/apache.org/$1";
+               push @mirrors, "ftp://apache.mirrors.ovh.net/ftp.apache.org/dist/$1";
+       } elsif ($mirror =~ /^\@GITHUB\/(.+)$/) {
+               # give github a few more tries (different mirrors)
+               for (1 .. 5) {
+                       push @mirrors, "https://raw.githubusercontent.com/$1";
                }
        } elsif ($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";
+               push @mirrors, "https://mirror.csclub.uwaterloo.ca/gnu/$1";
+               push @mirrors, "https://mirror.netcologne.de/gnu/$1";
+               push @mirrors, "http://ftp.kddilabs.jp/GNU/gnu/$1";
+               push @mirrors, "http://www.nic.funet.fi/pub/gnu/gnu/$1";
+               push @mirrors, "http://mirror.internode.on.net/pub/gnu/$1";
+               push @mirrors, "http://mirror.navercorp.com/gnu/$1";
+               push @mirrors, "ftp://mirrors.rit.edu/gnu/$1";
+               push @mirrors, "ftp://download.xs4all.nl/pub/gnu/";
+       } elsif ($mirror =~ /^\@SAVANNAH\/(.+)$/) {
+               push @mirrors, "https://mirror.netcologne.de/savannah/$1";
+               push @mirrors, "https://mirror.csclub.uwaterloo.ca/nongnu/$1";
+               push @mirrors, "http://ftp.acc.umu.se/mirror/gnu.org/savannah/$1";
+               push @mirrors, "http://nongnu.uib.no/$1";
+               push @mirrors, "http://ftp.igh.cnrs.fr/pub/nongnu/$1";
+               push @mirrors, "http://public.p-knowledge.co.jp/Savannah-nongnu-mirror/$1";
+               push @mirrors, "ftp://cdimage.debian.org/mirror/gnu.org/savannah/$1";
+               push @mirrors, "ftp://ftp.acc.umu.se/mirror/gnu.org/savannah/$1";
        } elsif ($mirror =~ /^\@KERNEL\/(.+)$/) {
-               push @mirrors, "ftp://ftp.us.kernel.org/pub/$1";
-               push @mirrors, "http://ftp.us.kernel.org/pub/$1";
-               push @mirrors, "ftp://ftp.kernel.org/pub/$1";
-               push @mirrors, "http://ftp.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";
-       } else {
+               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 $dir (@extra) {
+                       push @mirrors, "https://cdn.kernel.org/pub/$dir";
+                       push @mirrors, "https://mirror.rackspace.com/kernel.org/$dir";
+                       push @mirrors, "http://download.xs4all.nl/ftp.kernel.org/pub/$dir";
+                       push @mirrors, "http://mirrors.mit.edu/kernel/$dir";
+                       push @mirrors, "http://ftp.nara.wide.ad.jp/pub/kernel.org/$dir";
+                       push @mirrors, "http://www.ring.gr.jp/archives/linux/kernel.org/$dir";
+                       push @mirrors, "ftp://ftp.riken.jp/Linux/kernel.org/$dir";
+                       push @mirrors, "ftp://www.mirrorservice.org/sites/ftp.kernel.org/pub/$dir";
+               }
+    } elsif ($mirror =~ /^\@GNOME\/(.+)$/) {
+               push @mirrors, "https://mirror.csclub.uwaterloo.ca/gnome/sources/$1";
+               push @mirrors, "http://ftp.acc.umu.se/pub/GNOME/sources/$1";
+               push @mirrors, "http://ftp.kaist.ac.kr/gnome/sources/$1";
+               push @mirrors, "http://www.mirrorservice.org/sites/ftp.gnome.org/pub/GNOME/sources/$1";
+               push @mirrors, "http://mirror.internode.on.net/pub/gnome/sources/$1";
+               push @mirrors, "http://ftp.belnet.be/ftp.gnome.org/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';
+#push @mirrors, 'https://mirror1.openwrt.org';
+push @mirrors, 'https://sources.lede-project.org';
+push @mirrors, 'https://mirror2.openwrt.org/sources';
+push @mirrors, 'https://downloads.openwrt.org/sources';
 
-while (!$ok) {
+while (!-f "$target/$filename") {
        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;