fix a race condition with dynamic interfaces and firewalling

[openwrt.git] / scripts / download.pl

diff --git a/scripts/download.pl b/scripts/download.pl
index f636cca..543dcc1 100755 (executable)
--- a/scripts/download.pl
+++ b/scripts/download.pl
@@ -8,26 +8,63 @@
 
 use strict;
 use warnings;
 
 use strict;
 use warnings;

+use File::Basename;

 
 my $target = shift @ARGV;
 my $filename = shift @ARGV;
 my $md5sum = shift @ARGV;
 
 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";
 
 my @mirrors;
 
 my $ok;
 
 @ARGV > 0 or die "Syntax: $0 <target dir> <filename> <md5sum> <mirror> [<mirror> ...]\n";
 

-my $md5cmd = `which md5sum`;
-$md5cmd or $md5cmd = `which md5`;
+sub localmirrors {
+    my @mlist;
+    open LM, "$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;
+                               push @mlist, $1;
+                       };
+               }
+               close CONFIG;
+       };
+       
+
+    return @mlist;
+}
+
+sub which($) {
+       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;
 $md5cmd or die 'no md5 checksum program found, please install md5 or md5sum';
 chomp $md5cmd;
 
 sub download
 {
        my $mirror = shift;

-
-       open WGET, "wget -t1 --timeout=20 -O- \"$mirror/$filename\" |" or die "Cannot launch wget.\n";
+       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;
        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;


@@ -66,21 +103,14 @@ sub cleanup
        unlink "$target/$filename.md5sum";
 }
 
        unlink "$target/$filename.md5sum";
 }
 

+@mirrors = localmirrors();
+

 foreach my $mirror (@ARGV) {
        if ($mirror =~ /^\@SF\/(.+)$/) {
 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";
        } elsif ($mirror =~ /^\@GNU\/(.+)$/) {
                my $gnupath = $1;
                push @mirrors, "ftp://ftp.gnu.org/gnu/$gnupath";


@@ -96,9 +126,9 @@ foreach my $mirror (@ARGV) {
        }
 }
 
        }
 }
 

-#push @mirrors, 'http://mirror1.openwrt.org/';
+#push @mirrors, 'http://mirror1.openwrt.org';

 push @mirrors, 'http://mirror2.openwrt.org/sources';
 push @mirrors, 'http://mirror2.openwrt.org/sources';

-push @mirrors, 'http://downloads.openwrt.org/sources/';
+push @mirrors, 'http://downloads.openwrt.org/sources';

 
 while (!$ok) {
        my $mirror = shift @mirrors;
 
 while (!$ok) {
        my $mirror = shift @mirrors;