#!/usr/bin/perl # DVB firmware extractor # # (c) 2004 Andrew de Quincey # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program; if not, write to the Free Software # Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. use File::Temp qw/ tempdir /; use IO::Handle; @components = ( "sp8870", "sp887x", "tda10045", "tda10046", "tda10046lifeview", "av7110", "dec2000t", "dec2540t", "dec3000s", "vp7041", "dibusb", "nxt2002", "nxt2004", "or51211", "or51132_qam", "or51132_vsb", "bluebird", "opera1", "cx231xx", "cx18", "cx23885", "pvrusb2", "mpc718", "af9015", "ngene", "az6027", "lme2510_lg", "lme2510c_s7395", "lme2510c_s7395_old", "drxk", "drxk_terratec_h5", "tda10071", "it9135" ); # Check args syntax() if (scalar(@ARGV) != 1); $cid = $ARGV[0]; # Do it! for ($i=0; $i < scalar(@components); $i++) { if ($cid eq $components[$i]) { $outfile = eval($cid); die $@ if $@; print STDERR < "/tmp", CLEANUP => 1); checkstandard(); wgetfile($sourcefile, $url); unzip($sourcefile, $tmpdir); verify("$tmpdir/software/OEM/HE/App/boot/SC_MAIN.MC", $hash); copy("$tmpdir/software/OEM/HE/App/boot/SC_MAIN.MC", $outfile); $outfile; } sub sp887x { my $sourcefile = "Dvbt1.3.57.6.zip"; my $url = "http://www.avermedia.com/software/$sourcefile"; my $cabfile = "DVBT Net Ver1.3.57.6/disk1/data1.cab"; my $hash = "237938d53a7f834c05c42b894ca68ac3"; my $outfile = "dvb-fe-sp887x.fw"; my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); checkstandard(); checkunshield(); wgetfile($sourcefile, $url); unzip($sourcefile, $tmpdir); unshield("$tmpdir/$cabfile", $tmpdir); verify("$tmpdir/ZEnglish/sc_main.mc", $hash); copy("$tmpdir/ZEnglish/sc_main.mc", $outfile); $outfile; } sub tda10045 { my $sourcefile = "tt_budget_217g.zip"; my $url = "http://www.technotrend.de/new/217g/$sourcefile"; my $hash = "2105fd5bf37842fbcdfa4bfd58f3594a"; my $outfile = "dvb-fe-tda10045.fw"; my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); checkstandard(); wgetfile($sourcefile, $url); unzip($sourcefile, $tmpdir); extract("$tmpdir/software/OEM/PCI/App/ttlcdacc.dll", 0x37ef9, 30555, "$tmpdir/fwtmp"); verify("$tmpdir/fwtmp", $hash); copy("$tmpdir/fwtmp", $outfile); $outfile; } sub tda10046 { my $sourcefile = "TT_PCI_2.19h_28_11_2006.zip"; my $url = "http://www.tt-download.com/download/updates/219/$sourcefile"; my $hash = "6a7e1e2f2644b162ff0502367553c72d"; my $outfile = "dvb-fe-tda10046.fw"; my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); checkstandard(); wgetfile($sourcefile, $url); unzip($sourcefile, $tmpdir); extract("$tmpdir/TT_PCI_2.19h_28_11_2006/software/OEM/PCI/App/ttlcdacc.dll", 0x65389, 24478, "$tmpdir/fwtmp"); verify("$tmpdir/fwtmp", $hash); copy("$tmpdir/fwtmp", $outfile); $outfile; } sub tda10046lifeview { my $sourcefile = "7%5Cdrv_2.11.02.zip"; my $url = "http://www.lifeview.hk/dbimages/document/$sourcefile"; my $hash = "1ea24dee4eea8fe971686981f34fd2e0"; my $outfile = "dvb-fe-tda10046.fw"; my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); checkstandard(); wgetfile($sourcefile, $url); unzip($sourcefile, $tmpdir); extract("$tmpdir/LVHybrid.sys", 0x8b088, 24602, "$tmpdir/fwtmp"); verify("$tmpdir/fwtmp", $hash); copy("$tmpdir/fwtmp", $outfile); $outfile; } sub av7110 { my $sourcefile = "dvb-ttpci-01.fw-261d"; my $url = "http://www.linuxtv.org/downloads/firmware/$sourcefile"; my $hash = "603431b6259715a8e88f376a53b64e2f"; my $outfile = "dvb-ttpci-01.fw"; checkstandard(); wgetfile($sourcefile, $url); verify($sourcefile, $hash); copy($sourcefile, $outfile); $outfile; } sub dec2000t { my $sourcefile = "dec217g.exe"; my $url = "http://hauppauge.lightpath.net/de/$sourcefile"; my $hash = "bd86f458cee4a8f0a8ce2d20c66215a9"; my $outfile = "dvb-ttusb-dec-2000t.fw"; my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); checkstandard(); wgetfile($sourcefile, $url); unzip($sourcefile, $tmpdir); verify("$tmpdir/software/OEM/STB/App/Boot/STB_PC_T.bin", $hash); copy("$tmpdir/software/OEM/STB/App/Boot/STB_PC_T.bin", $outfile); $outfile; } sub dec2540t { my $sourcefile = "dec217g.exe"; my $url = "http://hauppauge.lightpath.net/de/$sourcefile"; my $hash = "53e58f4f5b5c2930beee74a7681fed92"; my $outfile = "dvb-ttusb-dec-2540t.fw"; my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); checkstandard(); wgetfile($sourcefile, $url); unzip($sourcefile, $tmpdir); verify("$tmpdir/software/OEM/STB/App/Boot/STB_PC_X.bin", $hash); copy("$tmpdir/software/OEM/STB/App/Boot/STB_PC_X.bin", $outfile); $outfile; } sub dec3000s { my $sourcefile = "dec217g.exe"; my $url = "http://hauppauge.lightpath.net/de/$sourcefile"; my $hash = "b013ececea83f4d6d8d2a29ac7c1b448"; my $outfile = "dvb-ttusb-dec-3000s.fw"; my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); checkstandard(); wgetfile($sourcefile, $url); unzip($sourcefile, $tmpdir); verify("$tmpdir/software/OEM/STB/App/Boot/STB_PC_S.bin", $hash); copy("$tmpdir/software/OEM/STB/App/Boot/STB_PC_S.bin", $outfile); $outfile; } sub opera1{ my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 0); checkstandard(); my $fwfile1="dvb-usb-opera1-fpga-01.fw"; my $fwfile2="dvb-usb-opera-01.fw"; extract("2830SCap2.sys", 0x62e8, 55024, "$tmpdir/opera1-fpga.fw"); extract("2830SLoad2.sys",0x3178,0x3685-0x3178,"$tmpdir/fw1part1"); extract("2830SLoad2.sys",0x0980,0x3150-0x0980,"$tmpdir/fw1part2"); delzero("$tmpdir/fw1part1","$tmpdir/fw1part1-1"); delzero("$tmpdir/fw1part2","$tmpdir/fw1part2-1"); verify("$tmpdir/fw1part1-1","5e0909858fdf0b5b09ad48b9fe622e70"); verify("$tmpdir/fw1part2-1","d6e146f321427e931df2c6fcadac37a1"); verify("$tmpdir/opera1-fpga.fw","0f8133f5e9051f5f3c1928f7e5a1b07d"); my $RES1="\x01\x92\x7f\x00\x01\x00"; my $RES0="\x01\x92\x7f\x00\x00\x00"; my $DAT1="\x01\x00\xe6\x00\x01\x00"; my $DAT0="\x01\x00\xe6\x00\x00\x00"; open FW,">$tmpdir/opera.fw"; print FW "$RES1"; print FW "$DAT1"; print FW "$RES1"; print FW "$DAT1"; appendfile(FW,"$tmpdir/fw1part1-1"); print FW "$RES0"; print FW "$DAT0"; print FW "$RES1"; print FW "$DAT1"; appendfile(FW,"$tmpdir/fw1part2-1"); print FW "$RES1"; print FW "$DAT1"; print FW "$RES0"; print FW "$DAT0"; copy ("$tmpdir/opera1-fpga.fw",$fwfile1); copy ("$tmpdir/opera.fw",$fwfile2); $fwfile1.",".$fwfile2; } sub vp7041 { my $sourcefile = "2.422.zip"; my $url = "http://www.twinhan.com/files/driver/USB-Ter/$sourcefile"; my $hash = "e88c9372d1f66609a3e7b072c53fbcfe"; my $outfile = "dvb-vp7041-2.422.fw"; my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); checkstandard(); wgetfile($sourcefile, $url); unzip($sourcefile, $tmpdir); extract("$tmpdir/VisionDTV/Drivers/Win2K&XP/UDTTload.sys", 12503, 3036, "$tmpdir/fwtmp1"); extract("$tmpdir/VisionDTV/Drivers/Win2K&XP/UDTTload.sys", 2207, 10274, "$tmpdir/fwtmp2"); my $CMD = "\000\001\000\222\177\000"; my $PAD = "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"; my ($FW); open $FW, ">$tmpdir/fwtmp3"; print $FW "$CMD\001$PAD"; print $FW "$CMD\001$PAD"; appendfile($FW, "$tmpdir/fwtmp1"); print $FW "$CMD\000$PAD"; print $FW "$CMD\001$PAD"; appendfile($FW, "$tmpdir/fwtmp2"); print $FW "$CMD\001$PAD"; print $FW "$CMD\000$PAD"; close($FW); verify("$tmpdir/fwtmp3", $hash); copy("$tmpdir/fwtmp3", $outfile); $outfile; } sub dibusb { my $url = "http://www.linuxtv.org/downloads/firmware/dvb-usb-dibusb-5.0.0.11.fw"; my $outfile = "dvb-dibusb-5.0.0.11.fw"; my $hash = "fa490295a527360ca16dcdf3224ca243"; checkstandard(); wgetfile($outfile, $url); verify($outfile,$hash); $outfile; } sub nxt2002 { my $sourcefile = "Technisat_DVB-PC_4_4_COMPACT.zip"; my $url = "http://www.bbti.us/download/windows/$sourcefile"; my $hash = "476befae8c7c1bb9648954060b1eec1f"; my $outfile = "dvb-fe-nxt2002.fw"; my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); checkstandard(); wgetfile($sourcefile, $url); unzip($sourcefile, $tmpdir); verify("$tmpdir/SkyNET.sys", $hash); extract("$tmpdir/SkyNET.sys", 331624, 5908, $outfile); $outfile; } sub nxt2004 { my $sourcefile = "AVerTVHD_MCE_A180_Drv_v1.2.2.16.zip"; my $url = "http://www.avermedia-usa.com/support/Drivers/$sourcefile"; my $hash = "111cb885b1e009188346d72acfed024c"; my $outfile = "dvb-fe-nxt2004.fw"; my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); checkstandard(); wgetfile($sourcefile, $url); unzip($sourcefile, $tmpdir); verify("$tmpdir/3xHybrid.sys", $hash); extract("$tmpdir/3xHybrid.sys", 465304, 9584, $outfile); $outfile; } sub or51211 { my $fwfile = "dvb-fe-or51211.fw"; my $url = "http://linuxtv.org/downloads/firmware/$fwfile"; my $hash = "d830949c771a289505bf9eafc225d491"; checkstandard(); wgetfile($fwfile, $url); verify($fwfile, $hash); $fwfile; } sub cx231xx { my $fwfile = "v4l-cx231xx-avcore-01.fw"; my $url = "http://linuxtv.org/downloads/firmware/$fwfile"; my $hash = "7d3bb956dc9df0eafded2b56ba57cc42"; checkstandard(); wgetfile($fwfile, $url); verify($fwfile, $hash); $fwfile; } sub cx18 { my $url = "http://linuxtv.org/downloads/firmware/"; my %files = ( 'v4l-cx23418-apu.fw' => '588f081b562f5c653a3db1ad8f65939a', 'v4l-cx23418-cpu.fw' => 'b6c7ed64bc44b1a6e0840adaeac39d79', 'v4l-cx23418-dig.fw' => '95bc688d3e7599fd5800161e9971cc55', ); checkstandard(); my $allfiles; foreach my $fwfile (keys %files) { wgetfile($fwfile, "$url/$fwfile"); verify($fwfile, $files{$fwfile}); $allfiles .= " $fwfile"; } $allfiles =~ s/^\s//; $allfiles; } sub mpc718 { my $archive = 'Yuan MPC718 TV Tuner Card 2.13.10.1016.zip'; my $url = "ftp://ftp.work.acer-euro.com/desktop/aspire_idea510/vista/Drivers/$archive"; my $fwfile = "dvb-cx18-mpc718-mt352.fw"; my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); checkstandard(); wgetfile($archive, $url); unzip($archive, $tmpdir); my $sourcefile = "$tmpdir/Yuan MPC718 TV Tuner Card 2.13.10.1016/mpc718_32bit/yuanrap.sys"; my $found = 0; open IN, '<', $sourcefile or die "Couldn't open $sourcefile to extract $fwfile data\n"; binmode IN; open OUT, '>', $fwfile; binmode OUT; { # Block scope because we change the line terminator variable $/ my $prevlen = 0; my $currlen; # Buried in the data segment are 3 runs of almost identical # register-value pairs that end in 0x5d 0x01 which is a "TUNER GO" # command for the MT352. # Pull out the middle run (because it's easy) of register-value # pairs to make the "firmware" file. local $/ = "\x5d\x01"; # MT352 "TUNER GO" while () { $currlen = length($_); if ($prevlen == $currlen && $currlen <= 64) { chop; chop; # Get rid of "TUNER GO" s/^\0\0//; # get rid of leading 00 00 if it's there printf OUT "$_"; $found = 1; last; } $prevlen = $currlen; } } close OUT; close IN; if (!$found) { unlink $fwfile; die "Couldn't find valid register-value sequence in $sourcefile for $fwfile\n"; } $fwfile; } sub cx23885 { my $url = "http://linuxtv.org/downloads/firmware/"; my %files = ( 'v4l-cx23885-avcore-01.fw' => 'a9f8f5d901a7fb42f552e1ee6384f3bb', 'v4l-cx23885-enc.fw' => 'a9f8f5d901a7fb42f552e1ee6384f3bb', ); checkstandard(); my $allfiles; foreach my $fwfile (keys %files) { wgetfile($fwfile, "$url/$fwfile"); verify($fwfile, $files{$fwfile}); $allfiles .= " $fwfile"; } $allfiles =~ s/^\s//; $allfiles; } sub pvrusb2 { my $url = "http://linuxtv.org/downloads/firmware/"; my %files = ( 'v4l-cx25840.fw' => 'dadb79e9904fc8af96e8111d9cb59320', ); checkstandard(); my $allfiles; foreach my $fwfile (keys %files) { wgetfile($fwfile, "$url/$fwfile"); verify($fwfile, $files{$fwfile}); $allfiles .= " $fwfile"; } $allfiles =~ s/^\s//; $allfiles; } sub or51132_qam { my $fwfile = "dvb-fe-or51132-qam.fw"; my $url = "http://linuxtv.org/downloads/firmware/$fwfile"; my $hash = "7702e8938612de46ccadfe9b413cb3b5"; checkstandard(); wgetfile($fwfile, $url); verify($fwfile, $hash); $fwfile; } sub or51132_vsb { my $fwfile = "dvb-fe-or51132-vsb.fw"; my $url = "http://linuxtv.org/downloads/firmware/$fwfile"; my $hash = "c16208e02f36fc439a557ad4c613364a"; checkstandard(); wgetfile($fwfile, $url); verify($fwfile, $hash); $fwfile; } sub bluebird { my $url = "http://www.linuxtv.org/download/dvb/firmware/dvb-usb-bluebird-01.fw"; my $outfile = "dvb-usb-bluebird-01.fw"; my $hash = "658397cb9eba9101af9031302671f49d"; checkstandard(); wgetfile($outfile, $url); verify($outfile,$hash); $outfile; } sub af9015 { my $sourcefile = "download.ashx?file=57"; my $url = "http://www.ite.com.tw/EN/Services/$sourcefile"; my $hash = "e3f08935158038d385ad382442f4bb2d"; my $outfile = "dvb-usb-af9015.fw"; my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); my $fwoffset = 0x25690; my $fwlength = 18725; my ($chunklength, $buf, $rcount); checkstandard(); wgetfile($sourcefile, $url); unzip($sourcefile, $tmpdir); verify("$tmpdir/Driver/Files/AF15BDA.sys", $hash); open INFILE, '<', "$tmpdir/Driver/Files/AF15BDA.sys"; open OUTFILE, '>', $outfile; sysseek(INFILE, $fwoffset, SEEK_SET); while($fwlength > 0) { $chunklength = 55; $chunklength = $fwlength if ($chunklength > $fwlength); $rcount = sysread(INFILE, $buf, $chunklength); die "Ran out of data\n" if ($rcount != $chunklength); syswrite(OUTFILE, $buf); sysread(INFILE, $buf, 8); $fwlength -= $rcount + 8; } close OUTFILE; close INFILE; } sub ngene { my $url = "http://www.digitaldevices.de/download/"; my $file1 = "ngene_15.fw"; my $hash1 = "d798d5a757121174f0dbc5f2833c0c85"; my $file2 = "ngene_17.fw"; my $hash2 = "26b687136e127b8ac24b81e0eeafc20b"; my $url2 = "http://l4m-daten.de/downloads/firmware/dvb-s2/linux/all/"; my $file3 = "ngene_18.fw"; my $hash3 = "ebce3ea769a53e3e0b0197c3b3f127e3"; checkstandard(); wgetfile($file1, $url . $file1); verify($file1, $hash1); wgetfile($file2, $url . $file2); verify($file2, $hash2); wgetfile($file3, $url2 . $file3); verify($file3, $hash3); "$file1, $file2, $file3"; } sub az6027{ my $file = "AZ6027_Linux_Driver.tar.gz"; my $url = "http://linux.terratec.de/files/$file"; my $firmware = "dvb-usb-az6027-03.fw"; wgetfile($file, $url); #untar if( system("tar xzvf $file $firmware")){ die "failed to untar firmware"; } if( system("rm $file")){ die ("unable to remove unnecessary files"); } $firmware; } sub lme2510_lg { my $sourcefile = "LMEBDA_DVBS.sys"; my $hash = "fc6017ad01e79890a97ec53bea157ed2"; my $outfile = "dvb-usb-lme2510-lg.fw"; my $hasho = "caa065d5fdbd2c09ad57b399bbf55cad"; checkstandard(); verify($sourcefile, $hash); extract($sourcefile, 4168, 3841, $outfile); verify($outfile, $hasho); $outfile; } sub lme2510c_s7395 { my $sourcefile = "US2A0D.sys"; my $hash = "b0155a8083fb822a3bd47bc360e74601"; my $outfile = "dvb-usb-lme2510c-s7395.fw"; my $hasho = "3a3cf1aeebd17b6ddc04cebe131e94cf"; checkstandard(); verify($sourcefile, $hash); extract($sourcefile, 37248, 3720, $outfile); verify($outfile, $hasho); $outfile; } sub lme2510c_s7395_old { my $sourcefile = "LMEBDA_DVBS7395C.sys"; my $hash = "7572ae0eb9cdf91baabd7c0ba9e09b31"; my $outfile = "dvb-usb-lme2510c-s7395.fw"; my $hasho = "90430c5b435eb5c6f88fd44a9d950674"; checkstandard(); verify($sourcefile, $hash); extract($sourcefile, 4208, 3881, $outfile); verify($outfile, $hasho); $outfile; } sub drxk { my $url = "http://l4m-daten.de/files/"; my $zipfile = "DDTuner.zip"; my $hash = "f5a37b9a20a3534997997c0b1382a3e5"; my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); my $drvfile = "DDTuner.sys"; my $fwfile = "drxk_a3.mc"; checkstandard(); wgetfile($zipfile, $url . $zipfile); verify($zipfile, $hash); unzip($zipfile, $tmpdir); extract("$tmpdir/$drvfile", 0x14dd8, 15634, "$fwfile"); "$fwfile" } sub drxk_terratec_h5 { my $url = "http://www.linuxtv.org/downloads/firmware/"; my $hash = "19000dada8e2741162ccc50cc91fa7f1"; my $fwfile = "dvb-usb-terratec-h5-drxk.fw"; checkstandard(); wgetfile($fwfile, $url . $fwfile); verify($fwfile, $hash); "$fwfile" } sub it9135 { my $url = "http://kworld.server261.com/kworld/CD/ITE_TiVme/V1.00/"; my $zipfile = "Driver_V10.323.1.0412.100412.zip"; my $hash = "79b597dc648698ed6820845c0c9d0d37"; my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 0); my $drvfile = "Driver_V10.323.1.0412.100412/Data/x86/IT9135BDA.sys"; my $fwfile = "dvb-usb-it9137-01.fw"; checkstandard(); wgetfile($zipfile, $url . $zipfile); verify($zipfile, $hash); unzip($zipfile, $tmpdir); extract("$tmpdir/$drvfile", 69632, 5731, "$fwfile"); "$fwfile" } sub tda10071 { my $sourcefile = "PCTV_460e_reference.zip"; my $url = "ftp://ftp.pctvsystems.com/TV/driver/PCTV%2070e%2080e%20100e%20320e%20330e%20800e/"; my $hash = "4403de903bf2593464c8d74bbc200a57"; my $fwfile = "dvb-fe-tda10071.fw"; my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); checkstandard(); wgetfile($sourcefile, $url . $sourcefile); verify($sourcefile, $hash); unzip($sourcefile, $tmpdir); extract("$tmpdir/PCTV\ 70e\ 80e\ 100e\ 320e\ 330e\ 800e/32\ bit/emOEM.sys", 0x67d38, 40504, $fwfile); "$fwfile"; } # --------------------------------------------------------------- # Utilities sub checkstandard { if (system("which unzip > /dev/null 2>&1")) { die "This firmware requires the unzip command - see ftp://ftp.info-zip.org/pub/infozip/UnZip.html\n"; } if (system("which md5sum > /dev/null 2>&1")) { die "This firmware requires the md5sum command - see http://www.gnu.org/software/coreutils/\n"; } if (system("which wget > /dev/null 2>&1")) { die "This firmware requires the wget command - see http://wget.sunsite.dk/\n"; } } sub checkunshield { if (system("which unshield > /dev/null 2>&1")) { die "This firmware requires the unshield command - see http://sourceforge.net/projects/synce/\n"; } } sub wgetfile { my ($sourcefile, $url) = @_; if (! -f $sourcefile) { system("wget -O \"$sourcefile\" \"$url\"") and die "wget failed - unable to download firmware"; } } sub unzip { my ($sourcefile, $todir) = @_; $status = system("unzip -q -o -d \"$todir\" \"$sourcefile\" 2>/dev/null" ); if ((($status >> 8) > 2) || (($status & 0xff) != 0)) { die ("unzip failed - unable to extract firmware"); } } sub unshield { my ($sourcefile, $todir) = @_; system("unshield x -d \"$todir\" \"$sourcefile\" > /dev/null" ) and die ("unshield failed - unable to extract firmware"); } sub verify { my ($filename, $hash) = @_; my ($testhash); open(CMD, "md5sum \"$filename\"|"); $testhash = ; $testhash =~ /([a-zA-Z0-9]*)/; $testhash = $1; close CMD; die "Hash of extracted file does not match!\n" if ($testhash ne $hash); } sub copy { my ($from, $to) = @_; system("cp -f \"$from\" \"$to\"") and die ("cp failed"); } sub extract { my ($infile, $offset, $length, $outfile) = @_; my ($chunklength, $buf, $rcount); open INFILE, "<$infile"; open OUTFILE, ">$outfile"; sysseek(INFILE, $offset, SEEK_SET); while($length > 0) { # Calc chunk size $chunklength = 2048; $chunklength = $length if ($chunklength > $length); $rcount = sysread(INFILE, $buf, $chunklength); die "Ran out of data\n" if ($rcount != $chunklength); syswrite(OUTFILE, $buf); $length -= $rcount; } close INFILE; close OUTFILE; } sub appendfile { my ($FH, $infile) = @_; my ($buf); open INFILE, "<$infile"; while(1) { $rcount = sysread(INFILE, $buf, 2048); last if ($rcount == 0); print $FH $buf; } close(INFILE); } sub delzero{ my ($infile,$outfile) =@_; open INFILE,"<$infile"; open OUTFILE,">$outfile"; while (1){ $rcount=sysread(INFILE,$buf,22); $len=ord(substr($buf,0,1)); print OUTFILE substr($buf,0,1); print OUTFILE substr($buf,2,$len+3); last if ($rcount<1); printf OUTFILE "%c",0; #print $len." ".length($buf)."\n"; } close(INFILE); close(OUTFILE); } sub syntax() { print STDERR "syntax: get_dvb_firmware \n"; print STDERR "Supported components:\n"; @components = sort @components; for($i=0; $i < scalar(@components); $i++) { print STDERR "\t" . $components[$i] . "\n"; } exit(1); }