scripts/download.pl: prefer the GNU mirror redirect over the primary site (#14603)
[openwrt.git] / scripts / download.pl
index 8eb66f0..d6a55b6 100755 (executable)
@@ -1,4 +1,4 @@
-#!/usr/bin/perl
+#!/usr/bin/env perl
 # 
 # Copyright (C) 2006 OpenWrt.org
 #
@@ -8,15 +8,40 @@
 
 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;
 
-@ARGV > 0 or die "Syntax: $0 <target dir> <filename> <md5sum> <mirror> [<mirror> ...]\n";
+sub localmirrors {
+       my @mlist;
+       open LM, "$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;
+       };
+
+       return @mlist;
+}
 
 sub which($) {
        my $prog = shift;
@@ -27,48 +52,88 @@ sub which($) {
        return $res;
 }
 
-my $md5cmd = which("md5sum");
-$md5cmd or $md5cmd = which("md5");
-$md5cmd or die 'no md5 checksum program found, please install md5 or md5sum';
+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};
-       $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 $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 - deleting download.\n";
+               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/$filename\"");
+       system("mv", "$target/$filename.dl", "$target/$filename");
        cleanup();
 }
 
@@ -78,32 +143,46 @@ sub cleanup
        unlink "$target/$filename.md5sum";
 }
 
+@mirrors = localmirrors();
+
 foreach my $mirror (@ARGV) {
        if ($mirror =~ /^\@SF\/(.+)$/) {
-               my $sfpath = $1;
-               open SF, "wget -t1 -q -O- 'http://prdownloads.sourceforge.net/$sfpath/$filename' |";
-               while (<SF>) {
-                       /RADIO NAME=use_default VALUE=(\w+) OnClick="form\.submit\(\)">/ or
-                       /type="radio" name="use_default" value="(\w+)" onclick="form\.submit\(\)"\/>/ and do {
-                               push @mirrors, "http://$1.dl.sourceforge.net/sourceforge/$sfpath";
-                       };
-                       /<a href="\/.+\?use_mirror=(\w+)"><b>Download/ and do {
-                               push @mirrors, "http://$1.dl.sourceforge.net/sourceforge/$sfpath";
-                       };
+               # give sourceforge a few more tries, because it redirects to different mirrors
+               for (1 .. 5) {
+                       push @mirrors, "http://downloads.sourceforge.net/$1";
                }
-               push @mirrors, "http://dl.sourceforge.net/sourceforge/$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, "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 =~ /^\@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 $dir (@extra) {
+                       push @mirrors, "ftp://ftp.all.kernel.org/pub/$dir";
+                       push @mirrors, "http://ftp.all.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, $mirror;
        }
 }
@@ -115,7 +194,7 @@ push @mirrors, 'http://downloads.openwrt.org/sources';
 while (!$ok) {
        my $mirror = shift @mirrors;
        $mirror or die "No more mirrors to try - giving up.\n";
-       
+
        download($mirror);
        -f "$target/$filename" and $ok = 1;
 }