mxs: fix automatic status led detection
[openwrt/openwrt.git] / scripts / download.pl
1 #!/usr/bin/env perl
2 #
3 # Copyright (C) 2006 OpenWrt.org
4 #
5 # This is free software, licensed under the GNU General Public License v2.
6 # See /LICENSE for more information.
7 #
8
9 use strict;
10 use warnings;
11 use File::Basename;
12 use File::Copy;
13
14 @ARGV > 2 or die "Syntax: $0 <target dir> <filename> <md5sum> [<mirror> ...]\n";
15
16 my $target = shift @ARGV;
17 my $filename = shift @ARGV;
18 my $md5sum = shift @ARGV;
19 my $scriptdir = dirname($0);
20 my @mirrors;
21 my $ok;
22
23 sub localmirrors {
24 my @mlist;
25 open LM, "$scriptdir/localmirrors" and do {
26 while (<LM>) {
27 chomp $_;
28 push @mlist, $_ if $_;
29 }
30 close LM;
31 };
32 open CONFIG, "<".$ENV{'TOPDIR'}."/.config" and do {
33 while (<CONFIG>) {
34 /^CONFIG_LOCALMIRROR="(.+)"/ and do {
35 chomp;
36 my @local_mirrors = split(/;/, $1);
37 push @mlist, @local_mirrors;
38 };
39 }
40 close CONFIG;
41 };
42
43 return @mlist;
44 }
45
46 sub which($) {
47 my $prog = shift;
48 my $res = `which $prog`;
49 $res or return undef;
50 $res =~ /^no / and return undef;
51 $res =~ /not found/ and return undef;
52 return $res;
53 }
54
55 my $md5cmd = which("md5sum") || which("md5") || die 'no md5 checksum program found, please install md5 or md5sum';
56 chomp $md5cmd;
57
58 sub download
59 {
60 my $mirror = shift;
61 my $options = $ENV{WGET_OPTIONS} || "";
62
63 $mirror =~ s!/$!!;
64
65 if ($mirror =~ s!^file://!!) {
66 if (! -d "$mirror") {
67 print STDERR "Wrong local cache directory -$mirror-.\n";
68 cleanup();
69 return;
70 }
71
72 if (! -d "$target") {
73 system("mkdir", "-p", "$target/");
74 }
75
76 if (! open TMPDLS, "find $mirror -follow -name $filename 2>/dev/null |") {
77 print("Failed to search for $filename in $mirror\n");
78 return;
79 }
80
81 my $link;
82
83 while (defined(my $line = readline TMPDLS)) {
84 chomp ($link = $line);
85 if ($. > 1) {
86 print("$. or more instances of $filename in $mirror found . Only one instance allowed.\n");
87 return;
88 }
89 }
90
91 close TMPDLS;
92
93 if (! $link) {
94 print("No instances of $filename found in $mirror.\n");
95 return;
96 }
97
98 print("Copying $filename from $link\n");
99 copy($link, "$target/$filename.dl");
100
101 if (system("$md5cmd '$target/$filename.dl' > '$target/$filename.md5sum'")) {
102 print("Failed to generate md5 sum for $filename\n");
103 return;
104 }
105 } else {
106 open WGET, "wget -t5 --timeout=20 --no-check-certificate $options -O- '$mirror/$filename' |" or die "Cannot launch wget.\n";
107 open MD5SUM, "| $md5cmd > '$target/$filename.md5sum'" or die "Cannot launch md5sum.\n";
108 open OUTPUT, "> $target/$filename.dl" or die "Cannot create file $target/$filename.dl: $!\n";
109 my $buffer;
110 while (read WGET, $buffer, 1048576) {
111 print MD5SUM $buffer;
112 print OUTPUT $buffer;
113 }
114 close MD5SUM;
115 close WGET;
116 close OUTPUT;
117
118 if ($? >> 8) {
119 print STDERR "Download failed.\n";
120 cleanup();
121 return;
122 }
123 }
124
125 my $sum = `cat "$target/$filename.md5sum"`;
126 $sum =~ /^(\w+)\s*/ or die "Could not generate md5sum\n";
127 $sum = $1;
128
129 if (($md5sum =~ /\w{32}/) and ($sum ne $md5sum)) {
130 print STDERR "MD5 sum of the downloaded file does not match (file: $sum, requested: $md5sum) - deleting download.\n";
131 cleanup();
132 return;
133 }
134
135 unlink "$target/$filename";
136 system("mv", "$target/$filename.dl", "$target/$filename");
137 cleanup();
138 }
139
140 sub cleanup
141 {
142 unlink "$target/$filename.dl";
143 unlink "$target/$filename.md5sum";
144 }
145
146 @mirrors = localmirrors();
147
148 foreach my $mirror (@ARGV) {
149 if ($mirror =~ /^\@SF\/(.+)$/) {
150 # give sourceforge a few more tries, because it redirects to different mirrors
151 for (1 .. 5) {
152 push @mirrors, "http://downloads.sourceforge.net/$1";
153 }
154 } elsif ($mirror =~ /^\@GNU\/(.+)$/) {
155 push @mirrors, "http://ftpmirror.gnu.org/$1";
156 push @mirrors, "http://ftp.gnu.org/pub/gnu/$1";
157 push @mirrors, "ftp://ftp.belnet.be/mirror/ftp.gnu.org/gnu/$1";
158 push @mirrors, "ftp://ftp.mirror.nl/pub/mirror/gnu/$1";
159 push @mirrors, "http://mirror.switch.ch/ftp/mirror/gnu/$1";
160 } elsif ($mirror =~ /^\@SAVANNAH\/(.+)$/) {
161 push @mirrors, "http://download.savannah.gnu.org/releases/$1";
162 push @mirrors, "http://nongnu.uib.no/$1";
163 push @mirrors, "http://ftp.igh.cnrs.fr/pub/nongnu/$1";
164 push @mirrors, "http://download-mirror.savannah.gnu.org/releases/$1";
165 } elsif ($mirror =~ /^\@KERNEL\/(.+)$/) {
166 my @extra = ( $1 );
167 if ($filename =~ /linux-\d+\.\d+(?:\.\d+)?-rc/) {
168 push @extra, "$extra[0]/testing";
169 } elsif ($filename =~ /linux-(\d+\.\d+(?:\.\d+)?)/) {
170 push @extra, "$extra[0]/longterm/v$1";
171 }
172 foreach my $dir (@extra) {
173 push @mirrors, "ftp://ftp.all.kernel.org/pub/$dir";
174 push @mirrors, "http://ftp.all.kernel.org/pub/$dir";
175 }
176 } elsif ($mirror =~ /^\@GNOME\/(.+)$/) {
177 push @mirrors, "http://ftp.gnome.org/pub/GNOME/sources/$1";
178 push @mirrors, "http://ftp.unina.it/pub/linux/GNOME/sources/$1";
179 push @mirrors, "http://fr2.rpmfind.net/linux/gnome.org/sources/$1";
180 push @mirrors, "ftp://ftp.dit.upm.es/pub/GNOME/sources/$1";
181 push @mirrors, "ftp://ftp.no.gnome.org/pub/GNOME/sources/$1";
182 push @mirrors, "http://ftp.acc.umu.se/pub/GNOME/sources/$1";
183 push @mirrors, "http://ftp.belnet.be/mirror/ftp.gnome.org/sources/$1";
184 push @mirrors, "http://linorg.usp.br/gnome/sources/$1";
185 push @mirrors, "http://mirror.aarnet.edu.au/pub/GNOME/sources/$1";
186 push @mirrors, "http://mirrors.ibiblio.org/pub/mirrors/gnome/sources/$1";
187 push @mirrors, "ftp://ftp.cse.buffalo.edu/pub/Gnome/sources/$1";
188 push @mirrors, "ftp://ftp.nara.wide.ad.jp/pub/X11/GNOME/sources/$1";
189 }
190 else {
191 push @mirrors, $mirror;
192 }
193 }
194
195 #push @mirrors, 'http://mirror1.openwrt.org';
196 push @mirrors, 'http://mirror2.openwrt.org/sources';
197 push @mirrors, 'http://downloads.openwrt.org/sources';
198
199 while (!$ok) {
200 my $mirror = shift @mirrors;
201 $mirror or die "No more mirrors to try - giving up.\n";
202
203 download($mirror);
204 -f "$target/$filename" and $ok = 1;
205 }
206
207 $SIG{INT} = \&cleanup;
208