Documentation/dvb/get_dvb_firmware

   1 #!/usr/bin/perl
   2 #     DVB firmware extractor
   3 #
   4 #     (c) 2004 Andrew de Quincey
   5 #
   6 #     This program is free software; you can redistribute it and/or modify
   7 #       it under the terms of the GNU General Public License as published by
   8 #       the Free Software Foundation; either version 2 of the License, or
   9 #       (at your option) any later version.
  10 #
  11 #     This program is distributed in the hope that it will be useful,
  12 #       but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 #       MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 #
  15 #     GNU General Public License for more details.
  16 #
  17 #     You should have received a copy of the GNU General Public License
  18 #       along with this program; if not, write to the Free Software
  19 #       Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20
  21 use File::Temp qw/ tempdir /;
  22 use IO::Handle;
  23
  24 @components = ( "sp8870", "sp887x", "tda10045", "tda10046",
  25                 "tda10046lifeview", "av7110", "dec2000t", "dec2540t",
  26                 "dec3000s", "vp7041", "dibusb", "nxt2002", "nxt2004",
  27                 "or51211", "or51132_qam", "or51132_vsb", "bluebird",
  28                 "opera1", "cx231xx", "cx18", "cx23885", "pvrusb2", "mpc718",
  29                 "af9015", "ngene", "az6027", "lme2510_lg", "lme2510c_s7395",
  30                 "lme2510c_s7395_old");
  31
  32 # Check args
  33 syntax() if (scalar(@ARGV) != 1);
  34 $cid = $ARGV[0];
  35
  36 # Do it!
  37 for ($i=0; $i < scalar(@components); $i++) {
  38     if ($cid eq $components[$i]) {
  39         $outfile = eval($cid);
  40         die $@ if $@;
  41         print STDERR <<EOF;
  42 Firmware(s) $outfile extracted successfully.
  43 Now copy it(them) to either /usr/lib/hotplug/firmware or /lib/firmware
  44 (depending on configuration of firmware hotplug).
  45 EOF
  46         exit(0);
  47     }
  48 }
  49
  50 # If we get here, it wasn't found
  51 print STDERR "Unknown component \"$cid\"\n";
  52 syntax();
  53
  54
  55
  56
  57 # ---------------------------------------------------------------
  58 # Firmware-specific extraction subroutines
  59
  60 sub sp8870 {
  61     my $sourcefile = "tt_Premium_217g.zip";
  62     my $url = "http://www.softwarepatch.pl/9999ccd06a4813cb827dbb0005071c71/$sourcefile";
  63     my $hash = "53970ec17a538945a6d8cb608a7b3899";
  64     my $outfile = "dvb-fe-sp8870.fw";
  65     my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
  66
  67     checkstandard();
  68
  69     wgetfile($sourcefile, $url);
  70     unzip($sourcefile, $tmpdir);
  71     verify("$tmpdir/software/OEM/HE/App/boot/SC_MAIN.MC", $hash);
  72     copy("$tmpdir/software/OEM/HE/App/boot/SC_MAIN.MC", $outfile);
  73
  74     $outfile;
  75 }
  76
  77 sub sp887x {
  78     my $sourcefile = "Dvbt1.3.57.6.zip";
  79     my $url = "http://www.avermedia.com/software/$sourcefile";
  80     my $cabfile = "DVBT Net  Ver1.3.57.6/disk1/data1.cab";
  81     my $hash = "237938d53a7f834c05c42b894ca68ac3";
  82     my $outfile = "dvb-fe-sp887x.fw";
  83     my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
  84
  85     checkstandard();
  86     checkunshield();
  87
  88     wgetfile($sourcefile, $url);
  89     unzip($sourcefile, $tmpdir);
  90     unshield("$tmpdir/$cabfile", $tmpdir);
  91     verify("$tmpdir/ZEnglish/sc_main.mc", $hash);
  92     copy("$tmpdir/ZEnglish/sc_main.mc", $outfile);
  93
  94     $outfile;
  95 }
  96
  97 sub tda10045 {
  98     my $sourcefile = "tt_budget_217g.zip";
  99     my $url = "http://www.technotrend.de/new/217g/$sourcefile";
 100     my $hash = "2105fd5bf37842fbcdfa4bfd58f3594a";
 101     my $outfile = "dvb-fe-tda10045.fw";
 102     my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
 103
 104     checkstandard();
 105
 106     wgetfile($sourcefile, $url);
 107     unzip($sourcefile, $tmpdir);
 108     extract("$tmpdir/software/OEM/PCI/App/ttlcdacc.dll", 0x37ef9, 30555, "$tmpdir/fwtmp");
 109     verify("$tmpdir/fwtmp", $hash);
 110     copy("$tmpdir/fwtmp", $outfile);
 111
 112     $outfile;
 113 }
 114
 115 sub tda10046 {
 116         my $sourcefile = "TT_PCI_2.19h_28_11_2006.zip";
 117         my $url = "http://www.tt-download.com/download/updates/219/$sourcefile";
 118         my $hash = "6a7e1e2f2644b162ff0502367553c72d";
 119         my $outfile = "dvb-fe-tda10046.fw";
 120         my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
 121
 122         checkstandard();
 123
 124         wgetfile($sourcefile, $url);
 125         unzip($sourcefile, $tmpdir);
 126         extract("$tmpdir/TT_PCI_2.19h_28_11_2006/software/OEM/PCI/App/ttlcdacc.dll", 0x65389, 24478, "$tmpdir/fwtmp");
 127         verify("$tmpdir/fwtmp", $hash);
 128         copy("$tmpdir/fwtmp", $outfile);
 129
 130         $outfile;
 131 }
 132
 133 sub tda10046lifeview {
 134     my $sourcefile = "7%5Cdrv_2.11.02.zip";
 135     my $url = "http://www.lifeview.hk/dbimages/document/$sourcefile";
 136     my $hash = "1ea24dee4eea8fe971686981f34fd2e0";
 137     my $outfile = "dvb-fe-tda10046.fw";
 138     my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
 139
 140     checkstandard();
 141
 142     wgetfile($sourcefile, $url);
 143     unzip($sourcefile, $tmpdir);
 144     extract("$tmpdir/LVHybrid.sys", 0x8b088, 24602, "$tmpdir/fwtmp");
 145     verify("$tmpdir/fwtmp", $hash);
 146     copy("$tmpdir/fwtmp", $outfile);
 147
 148     $outfile;
 149 }
 150
 151 sub av7110 {
 152     my $sourcefile = "dvb-ttpci-01.fw-261d";
 153     my $url = "http://www.linuxtv.org/downloads/firmware/$sourcefile";
 154     my $hash = "603431b6259715a8e88f376a53b64e2f";
 155     my $outfile = "dvb-ttpci-01.fw";
 156
 157     checkstandard();
 158
 159     wgetfile($sourcefile, $url);
 160     verify($sourcefile, $hash);
 161     copy($sourcefile, $outfile);
 162
 163     $outfile;
 164 }
 165
 166 sub dec2000t {
 167     my $sourcefile = "dec217g.exe";
 168     my $url = "http://hauppauge.lightpath.net/de/$sourcefile";
 169     my $hash = "bd86f458cee4a8f0a8ce2d20c66215a9";
 170     my $outfile = "dvb-ttusb-dec-2000t.fw";
 171     my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
 172
 173     checkstandard();
 174
 175     wgetfile($sourcefile, $url);
 176     unzip($sourcefile, $tmpdir);
 177     verify("$tmpdir/software/OEM/STB/App/Boot/STB_PC_T.bin", $hash);
 178     copy("$tmpdir/software/OEM/STB/App/Boot/STB_PC_T.bin", $outfile);
 179
 180     $outfile;
 181 }
 182
 183 sub dec2540t {
 184     my $sourcefile = "dec217g.exe";
 185     my $url = "http://hauppauge.lightpath.net/de/$sourcefile";
 186     my $hash = "53e58f4f5b5c2930beee74a7681fed92";
 187     my $outfile = "dvb-ttusb-dec-2540t.fw";
 188     my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
 189
 190     checkstandard();
 191
 192     wgetfile($sourcefile, $url);
 193     unzip($sourcefile, $tmpdir);
 194     verify("$tmpdir/software/OEM/STB/App/Boot/STB_PC_X.bin", $hash);
 195     copy("$tmpdir/software/OEM/STB/App/Boot/STB_PC_X.bin", $outfile);
 196
 197     $outfile;
 198 }
 199
 200 sub dec3000s {
 201     my $sourcefile = "dec217g.exe";
 202     my $url = "http://hauppauge.lightpath.net/de/$sourcefile";
 203     my $hash = "b013ececea83f4d6d8d2a29ac7c1b448";
 204     my $outfile = "dvb-ttusb-dec-3000s.fw";
 205     my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
 206
 207     checkstandard();
 208
 209     wgetfile($sourcefile, $url);
 210     unzip($sourcefile, $tmpdir);
 211     verify("$tmpdir/software/OEM/STB/App/Boot/STB_PC_S.bin", $hash);
 212     copy("$tmpdir/software/OEM/STB/App/Boot/STB_PC_S.bin", $outfile);
 213
 214     $outfile;
 215 }
 216 sub opera1{
 217         my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 0);
 218
 219         checkstandard();
 220         my $fwfile1="dvb-usb-opera1-fpga-01.fw";
 221         my $fwfile2="dvb-usb-opera-01.fw";
 222         extract("2830SCap2.sys", 0x62e8, 55024, "$tmpdir/opera1-fpga.fw");
 223         extract("2830SLoad2.sys",0x3178,0x3685-0x3178,"$tmpdir/fw1part1");
 224         extract("2830SLoad2.sys",0x0980,0x3150-0x0980,"$tmpdir/fw1part2");
 225         delzero("$tmpdir/fw1part1","$tmpdir/fw1part1-1");
 226         delzero("$tmpdir/fw1part2","$tmpdir/fw1part2-1");
 227         verify("$tmpdir/fw1part1-1","5e0909858fdf0b5b09ad48b9fe622e70");
 228         verify("$tmpdir/fw1part2-1","d6e146f321427e931df2c6fcadac37a1");
 229         verify("$tmpdir/opera1-fpga.fw","0f8133f5e9051f5f3c1928f7e5a1b07d");
 230
 231         my $RES1="\x01\x92\x7f\x00\x01\x00";
 232         my $RES0="\x01\x92\x7f\x00\x00\x00";
 233         my $DAT1="\x01\x00\xe6\x00\x01\x00";
 234         my $DAT0="\x01\x00\xe6\x00\x00\x00";
 235         open FW,">$tmpdir/opera.fw";
 236         print FW "$RES1";
 237         print FW "$DAT1";
 238         print FW "$RES1";
 239         print FW "$DAT1";
 240         appendfile(FW,"$tmpdir/fw1part1-1");
 241         print FW "$RES0";
 242         print FW "$DAT0";
 243         print FW "$RES1";
 244         print FW "$DAT1";
 245         appendfile(FW,"$tmpdir/fw1part2-1");
 246         print FW "$RES1";
 247         print FW "$DAT1";
 248         print FW "$RES0";
 249         print FW "$DAT0";
 250         copy ("$tmpdir/opera1-fpga.fw",$fwfile1);
 251         copy ("$tmpdir/opera.fw",$fwfile2);
 252
 253         $fwfile1.",".$fwfile2;
 254 }
 255
 256 sub vp7041 {
 257     my $sourcefile = "2.422.zip";
 258     my $url = "http://www.twinhan.com/files/driver/USB-Ter/$sourcefile";
 259     my $hash = "e88c9372d1f66609a3e7b072c53fbcfe";
 260     my $outfile = "dvb-vp7041-2.422.fw";
 261     my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
 262
 263     checkstandard();
 264
 265     wgetfile($sourcefile, $url);
 266     unzip($sourcefile, $tmpdir);
 267     extract("$tmpdir/VisionDTV/Drivers/Win2K&XP/UDTTload.sys", 12503, 3036, "$tmpdir/fwtmp1");
 268     extract("$tmpdir/VisionDTV/Drivers/Win2K&XP/UDTTload.sys", 2207, 10274, "$tmpdir/fwtmp2");
 269
 270     my $CMD = "\000\001\000\222\177\000";
 271     my $PAD = "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000";
 272     my ($FW);
 273     open $FW, ">$tmpdir/fwtmp3";
 274     print $FW "$CMD\001$PAD";
 275     print $FW "$CMD\001$PAD";
 276     appendfile($FW, "$tmpdir/fwtmp1");
 277     print $FW "$CMD\000$PAD";
 278     print $FW "$CMD\001$PAD";
 279     appendfile($FW, "$tmpdir/fwtmp2");
 280     print $FW "$CMD\001$PAD";
 281     print $FW "$CMD\000$PAD";
 282     close($FW);
 283
 284     verify("$tmpdir/fwtmp3", $hash);
 285     copy("$tmpdir/fwtmp3", $outfile);
 286
 287     $outfile;
 288 }
 289
 290 sub dibusb {
 291         my $url = "http://www.linuxtv.org/downloads/firmware/dvb-usb-dibusb-5.0.0.11.fw";
 292         my $outfile = "dvb-dibusb-5.0.0.11.fw";
 293         my $hash = "fa490295a527360ca16dcdf3224ca243";
 294
 295         checkstandard();
 296
 297         wgetfile($outfile, $url);
 298         verify($outfile,$hash);
 299
 300         $outfile;
 301 }
 302
 303 sub nxt2002 {
 304     my $sourcefile = "Technisat_DVB-PC_4_4_COMPACT.zip";
 305     my $url = "http://www.bbti.us/download/windows/$sourcefile";
 306     my $hash = "476befae8c7c1bb9648954060b1eec1f";
 307     my $outfile = "dvb-fe-nxt2002.fw";
 308     my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
 309
 310     checkstandard();
 311
 312     wgetfile($sourcefile, $url);
 313     unzip($sourcefile, $tmpdir);
 314     verify("$tmpdir/SkyNET.sys", $hash);
 315     extract("$tmpdir/SkyNET.sys", 331624, 5908, $outfile);
 316
 317     $outfile;
 318 }
 319
 320 sub nxt2004 {
 321     my $sourcefile = "AVerTVHD_MCE_A180_Drv_v1.2.2.16.zip";
 322     my $url = "http://www.avermedia-usa.com/support/Drivers/$sourcefile";
 323     my $hash = "111cb885b1e009188346d72acfed024c";
 324     my $outfile = "dvb-fe-nxt2004.fw";
 325     my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
 326
 327     checkstandard();
 328
 329     wgetfile($sourcefile, $url);
 330     unzip($sourcefile, $tmpdir);
 331     verify("$tmpdir/3xHybrid.sys", $hash);
 332     extract("$tmpdir/3xHybrid.sys", 465304, 9584, $outfile);
 333
 334     $outfile;
 335 }
 336
 337 sub or51211 {
 338     my $fwfile = "dvb-fe-or51211.fw";
 339     my $url = "http://linuxtv.org/downloads/firmware/$fwfile";
 340     my $hash = "d830949c771a289505bf9eafc225d491";
 341
 342     checkstandard();
 343
 344     wgetfile($fwfile, $url);
 345     verify($fwfile, $hash);
 346
 347     $fwfile;
 348 }
 349
 350 sub cx231xx {
 351     my $fwfile = "v4l-cx231xx-avcore-01.fw";
 352     my $url = "http://linuxtv.org/downloads/firmware/$fwfile";
 353     my $hash = "7d3bb956dc9df0eafded2b56ba57cc42";
 354
 355     checkstandard();
 356
 357     wgetfile($fwfile, $url);
 358     verify($fwfile, $hash);
 359
 360     $fwfile;
 361 }
 362
 363 sub cx18 {
 364     my $url = "http://linuxtv.org/downloads/firmware/";
 365
 366     my %files = (
 367         'v4l-cx23418-apu.fw' => '588f081b562f5c653a3db1ad8f65939a',
 368         'v4l-cx23418-cpu.fw' => 'b6c7ed64bc44b1a6e0840adaeac39d79',
 369         'v4l-cx23418-dig.fw' => '95bc688d3e7599fd5800161e9971cc55',
 370     );
 371
 372     checkstandard();
 373
 374     my $allfiles;
 375     foreach my $fwfile (keys %files) {
 376         wgetfile($fwfile, "$url/$fwfile");
 377         verify($fwfile, $files{$fwfile});
 378         $allfiles .= " $fwfile";
 379     }
 380
 381     $allfiles =~ s/^\s//;
 382
 383     $allfiles;
 384 }
 385
 386 sub mpc718 {
 387     my $archive = 'Yuan MPC718 TV Tuner Card 2.13.10.1016.zip';
 388     my $url = "ftp://ftp.work.acer-euro.com/desktop/aspire_idea510/vista/Drivers/$archive";
 389     my $fwfile = "dvb-cx18-mpc718-mt352.fw";
 390     my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
 391
 392     checkstandard();
 393     wgetfile($archive, $url);
 394     unzip($archive, $tmpdir);
 395
 396     my $sourcefile = "$tmpdir/Yuan MPC718 TV Tuner Card 2.13.10.1016/mpc718_32bit/yuanrap.sys";
 397     my $found = 0;
 398
 399     open IN, '<', $sourcefile or die "Couldn't open $sourcefile to extract $fwfile data\n";
 400     binmode IN;
 401     open OUT, '>', $fwfile;
 402     binmode OUT;
 403     {
 404         # Block scope because we change the line terminator variable $/
 405         my $prevlen = 0;
 406         my $currlen;
 407
 408         # Buried in the data segment are 3 runs of almost identical
 409         # register-value pairs that end in 0x5d 0x01 which is a "TUNER GO"
 410         # command for the MT352.
 411         # Pull out the middle run (because it's easy) of register-value
 412         # pairs to make the "firmware" file.
 413
 414         local $/ = "\x5d\x01"; # MT352 "TUNER GO"
 415
 416         while (<IN>) {
 417             $currlen = length($_);
 418             if ($prevlen == $currlen && $currlen <= 64) {
 419                 chop; chop; # Get rid of "TUNER GO"
 420                 s/^\0\0//;  # get rid of leading 00 00 if it's there
 421                 printf OUT "$_";
 422                 $found = 1;
 423                 last;
 424             }
 425             $prevlen = $currlen;
 426         }
 427     }
 428     close OUT;
 429     close IN;
 430     if (!$found) {
 431         unlink $fwfile;
 432         die "Couldn't find valid register-value sequence in $sourcefile for $fwfile\n";
 433     }
 434     $fwfile;
 435 }
 436
 437 sub cx23885 {
 438     my $url = "http://linuxtv.org/downloads/firmware/";
 439
 440     my %files = (
 441         'v4l-cx23885-avcore-01.fw' => 'a9f8f5d901a7fb42f552e1ee6384f3bb',
 442         'v4l-cx23885-enc.fw'       => 'a9f8f5d901a7fb42f552e1ee6384f3bb',
 443     );
 444
 445     checkstandard();
 446
 447     my $allfiles;
 448     foreach my $fwfile (keys %files) {
 449         wgetfile($fwfile, "$url/$fwfile");
 450         verify($fwfile, $files{$fwfile});
 451         $allfiles .= " $fwfile";
 452     }
 453
 454     $allfiles =~ s/^\s//;
 455
 456     $allfiles;
 457 }
 458
 459 sub pvrusb2 {
 460     my $url = "http://linuxtv.org/downloads/firmware/";
 461
 462     my %files = (
 463         'v4l-cx25840.fw'           => 'dadb79e9904fc8af96e8111d9cb59320',
 464     );
 465
 466     checkstandard();
 467
 468     my $allfiles;
 469     foreach my $fwfile (keys %files) {
 470         wgetfile($fwfile, "$url/$fwfile");
 471         verify($fwfile, $files{$fwfile});
 472         $allfiles .= " $fwfile";
 473     }
 474
 475     $allfiles =~ s/^\s//;
 476
 477     $allfiles;
 478 }
 479
 480 sub or51132_qam {
 481     my $fwfile = "dvb-fe-or51132-qam.fw";
 482     my $url = "http://linuxtv.org/downloads/firmware/$fwfile";
 483     my $hash = "7702e8938612de46ccadfe9b413cb3b5";
 484
 485     checkstandard();
 486
 487     wgetfile($fwfile, $url);
 488     verify($fwfile, $hash);
 489
 490     $fwfile;
 491 }
 492
 493 sub or51132_vsb {
 494     my $fwfile = "dvb-fe-or51132-vsb.fw";
 495     my $url = "http://linuxtv.org/downloads/firmware/$fwfile";
 496     my $hash = "c16208e02f36fc439a557ad4c613364a";
 497
 498     checkstandard();
 499
 500     wgetfile($fwfile, $url);
 501     verify($fwfile, $hash);
 502
 503     $fwfile;
 504 }
 505
 506 sub bluebird {
 507         my $url = "http://www.linuxtv.org/download/dvb/firmware/dvb-usb-bluebird-01.fw";
 508         my $outfile = "dvb-usb-bluebird-01.fw";
 509         my $hash = "658397cb9eba9101af9031302671f49d";
 510
 511         checkstandard();
 512
 513         wgetfile($outfile, $url);
 514         verify($outfile,$hash);
 515
 516         $outfile;
 517 }
 518
 519 sub af9015 {
 520         my $sourcefile = "download.ashx?file=57";
 521         my $url = "http://www.ite.com.tw/EN/Services/$sourcefile";
 522         my $hash = "e3f08935158038d385ad382442f4bb2d";
 523         my $outfile = "dvb-usb-af9015.fw";
 524         my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1);
 525         my $fwoffset = 0x25690;
 526         my $fwlength = 18725;
 527         my ($chunklength, $buf, $rcount);
 528
 529         checkstandard();
 530
 531         wgetfile($sourcefile, $url);
 532         unzip($sourcefile, $tmpdir);
 533         verify("$tmpdir/Driver/Files/AF15BDA.sys", $hash);
 534
 535         open INFILE, '<', "$tmpdir/Driver/Files/AF15BDA.sys";
 536         open OUTFILE, '>', $outfile;
 537
 538         sysseek(INFILE, $fwoffset, SEEK_SET);
 539         while($fwlength > 0) {
 540                 $chunklength = 55;
 541                 $chunklength = $fwlength if ($chunklength > $fwlength);
 542                 $rcount = sysread(INFILE, $buf, $chunklength);
 543                 die "Ran out of data\n" if ($rcount != $chunklength);
 544                 syswrite(OUTFILE, $buf);
 545                 sysread(INFILE, $buf, 8);
 546                 $fwlength -= $rcount + 8;
 547         }
 548
 549         close OUTFILE;
 550         close INFILE;
 551 }
 552
 553 sub ngene {
 554     my $url = "http://www.digitaldevices.de/download/";
 555     my $file1 = "ngene_15.fw";
 556     my $hash1 = "d798d5a757121174f0dbc5f2833c0c85";
 557     my $file2 = "ngene_17.fw";
 558     my $hash2 = "26b687136e127b8ac24b81e0eeafc20b";
 559
 560     checkstandard();
 561
 562     wgetfile($file1, $url . $file1);
 563     verify($file1, $hash1);
 564
 565     wgetfile($file2, $url . $file2);
 566     verify($file2, $hash2);
 567
 568     "$file1, $file2";
 569 }
 570
 571 sub az6027{
 572     my $file = "AZ6027_Linux_Driver.tar.gz";
 573     my $url = "http://linux.terratec.de/files/$file";
 574     my $firmware = "dvb-usb-az6027-03.fw";
 575
 576     wgetfile($file, $url);
 577
 578     #untar
 579     if( system("tar xzvf $file $firmware")){
 580         die "failed to untar firmware";
 581     }
 582     if( system("rm $file")){
 583         die ("unable to remove unnecessary files");
 584     }
 585
 586     $firmware;
 587 }
 588
 589 sub lme2510_lg {
 590     my $sourcefile = "LMEBDA_DVBS.sys";
 591     my $hash = "fc6017ad01e79890a97ec53bea157ed2";
 592     my $outfile = "dvb-usb-lme2510-lg.fw";
 593     my $hasho = "caa065d5fdbd2c09ad57b399bbf55cad";
 594
 595     checkstandard();
 596
 597     verify($sourcefile, $hash);
 598     extract($sourcefile, 4168, 3841, $outfile);
 599     verify($outfile, $hasho);
 600     $outfile;
 601 }
 602
 603 sub lme2510c_s7395 {
 604     my $sourcefile = "US2A0D.sys";
 605     my $hash = "b0155a8083fb822a3bd47bc360e74601";
 606     my $outfile = "dvb-usb-lme2510c-s7395.fw";
 607     my $hasho = "3a3cf1aeebd17b6ddc04cebe131e94cf";
 608
 609     checkstandard();
 610
 611     verify($sourcefile, $hash);
 612     extract($sourcefile, 37248, 3720, $outfile);
 613     verify($outfile, $hasho);
 614     $outfile;
 615 }
 616
 617 sub lme2510c_s7395_old {
 618     my $sourcefile = "LMEBDA_DVBS7395C.sys";
 619     my $hash = "7572ae0eb9cdf91baabd7c0ba9e09b31";
 620     my $outfile = "dvb-usb-lme2510c-s7395.fw";
 621     my $hasho = "90430c5b435eb5c6f88fd44a9d950674";
 622
 623     checkstandard();
 624
 625     verify($sourcefile, $hash);
 626     extract($sourcefile, 4208, 3881, $outfile);
 627     verify($outfile, $hasho);
 628     $outfile;
 629 }
 630
 631 # ---------------------------------------------------------------
 632 # Utilities
 633
 634 sub checkstandard {
 635     if (system("which unzip > /dev/null 2>&1")) {
 636         die "This firmware requires the unzip command - see ftp://ftp.info-zip.org/pub/infozip/UnZip.html\n";
 637     }
 638     if (system("which md5sum > /dev/null 2>&1")) {
 639         die "This firmware requires the md5sum command - see http://www.gnu.org/software/coreutils/\n";
 640     }
 641     if (system("which wget > /dev/null 2>&1")) {
 642         die "This firmware requires the wget command - see http://wget.sunsite.dk/\n";
 643     }
 644 }
 645
 646 sub checkunshield {
 647     if (system("which unshield > /dev/null 2>&1")) {
 648         die "This firmware requires the unshield command - see http://sourceforge.net/projects/synce/\n";
 649     }
 650 }
 651
 652 sub wgetfile {
 653     my ($sourcefile, $url) = @_;
 654
 655     if (! -f $sourcefile) {
 656         system("wget -O \"$sourcefile\" \"$url\"") and die "wget failed - unable to download firmware";
 657     }
 658 }
 659
 660 sub unzip {
 661     my ($sourcefile, $todir) = @_;
 662
 663     $status = system("unzip -q -o -d \"$todir\" \"$sourcefile\" 2>/dev/null" );
 664     if ((($status >> 8) > 2) || (($status & 0xff) != 0)) {
 665         die ("unzip failed - unable to extract firmware");
 666     }
 667 }
 668
 669 sub unshield {
 670     my ($sourcefile, $todir) = @_;
 671
 672     system("unshield x -d \"$todir\" \"$sourcefile\" > /dev/null" ) and die ("unshield failed - unable to extract firmware");
 673 }
 674
 675 sub verify {
 676     my ($filename, $hash) = @_;
 677     my ($testhash);
 678
 679     open(CMD, "md5sum \"$filename\"|");
 680     $testhash = <CMD>;
 681     $testhash =~ /([a-zA-Z0-9]*)/;
 682     $testhash = $1;
 683     close CMD;
 684     die "Hash of extracted file does not match!\n" if ($testhash ne $hash);
 685 }
 686
 687 sub copy {
 688     my ($from, $to) = @_;
 689
 690     system("cp -f \"$from\" \"$to\"") and die ("cp failed");
 691 }
 692
 693 sub extract {
 694     my ($infile, $offset, $length, $outfile) = @_;
 695     my ($chunklength, $buf, $rcount);
 696
 697     open INFILE, "<$infile";
 698     open OUTFILE, ">$outfile";
 699     sysseek(INFILE, $offset, SEEK_SET);
 700     while($length > 0) {
 701         # Calc chunk size
 702         $chunklength = 2048;
 703         $chunklength = $length if ($chunklength > $length);
 704
 705         $rcount = sysread(INFILE, $buf, $chunklength);
 706         die "Ran out of data\n" if ($rcount != $chunklength);
 707         syswrite(OUTFILE, $buf);
 708         $length -= $rcount;
 709     }
 710     close INFILE;
 711     close OUTFILE;
 712 }
 713
 714 sub appendfile {
 715     my ($FH, $infile) = @_;
 716     my ($buf);
 717
 718     open INFILE, "<$infile";
 719     while(1) {
 720         $rcount = sysread(INFILE, $buf, 2048);
 721         last if ($rcount == 0);
 722         print $FH $buf;
 723     }
 724     close(INFILE);
 725 }
 726
 727 sub delzero{
 728         my ($infile,$outfile) =@_;
 729
 730         open INFILE,"<$infile";
 731         open OUTFILE,">$outfile";
 732         while (1){
 733                 $rcount=sysread(INFILE,$buf,22);
 734                 $len=ord(substr($buf,0,1));
 735                 print OUTFILE substr($buf,0,1);
 736                 print OUTFILE substr($buf,2,$len+3);
 737         last if ($rcount<1);
 738         printf OUTFILE "%c",0;
 739 #print $len." ".length($buf)."\n";
 740
 741         }
 742         close(INFILE);
 743         close(OUTFILE);
 744 }
 745
 746 sub syntax() {
 747     print STDERR "syntax: get_dvb_firmware <component>\n";
 748     print STDERR "Supported components:\n";
 749     @components = sort @components;
 750     for($i=0; $i < scalar(@components); $i++) {
 751         print STDERR "\t" . $components[$i] . "\n";
 752     }
 753     exit(1);
 754 }