| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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", "av7110", "dec2000t", | 
| Kirk Lapray | 04a4592 | 2005-11-08 21:35:46 -0800 | [diff] [blame] | 25 | 		"dec2540t", "dec3000s", "vp7041", "dibusb", "nxt2002", "nxt2004", | 
| Michael Krufky | d8e6acf | 2006-01-09 15:32:42 -0200 | [diff] [blame] | 26 | 		"or51211", "or51132_qam", "or51132_vsb", "bluebird"); | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 27 |  | 
 | 28 | # Check args | 
 | 29 | syntax() if (scalar(@ARGV) != 1); | 
 | 30 | $cid = $ARGV[0]; | 
 | 31 |  | 
 | 32 | # Do it! | 
 | 33 | for ($i=0; $i < scalar(@components); $i++) { | 
 | 34 |     if ($cid eq $components[$i]) { | 
 | 35 | 	$outfile = eval($cid); | 
 | 36 | 	die $@ if $@; | 
| Ville Skytt\รค | 12e66f6 | 2006-01-09 15:25:38 -0200 | [diff] [blame] | 37 | 	print STDERR <<EOF; | 
 | 38 | Firmware $outfile extracted successfully. | 
 | 39 | Now copy it to either /usr/lib/hotplug/firmware or /lib/firmware | 
 | 40 | (depending on configuration of firmware hotplug). | 
 | 41 | EOF | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | 	exit(0); | 
 | 43 |     } | 
 | 44 | } | 
 | 45 |  | 
 | 46 | # If we get here, it wasn't found | 
 | 47 | print STDERR "Unknown component \"$cid\"\n"; | 
 | 48 | syntax(); | 
 | 49 |  | 
 | 50 |  | 
 | 51 |  | 
 | 52 |  | 
 | 53 | # --------------------------------------------------------------- | 
 | 54 | # Firmware-specific extraction subroutines | 
 | 55 |  | 
 | 56 | sub sp8870 { | 
 | 57 |     my $sourcefile = "tt_Premium_217g.zip"; | 
 | 58 |     my $url = "http://www.technotrend.de/new/217g/$sourcefile"; | 
 | 59 |     my $hash = "53970ec17a538945a6d8cb608a7b3899"; | 
 | 60 |     my $outfile = "dvb-fe-sp8870.fw"; | 
 | 61 |     my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); | 
 | 62 |  | 
 | 63 |     checkstandard(); | 
 | 64 |  | 
 | 65 |     wgetfile($sourcefile, $url); | 
 | 66 |     unzip($sourcefile, $tmpdir); | 
 | 67 |     verify("$tmpdir/software/OEM/HE/App/boot/SC_MAIN.MC", $hash); | 
 | 68 |     copy("$tmpdir/software/OEM/HE/App/boot/SC_MAIN.MC", $outfile); | 
 | 69 |  | 
 | 70 |     $outfile; | 
 | 71 | } | 
 | 72 |  | 
 | 73 | sub sp887x { | 
 | 74 |     my $sourcefile = "Dvbt1.3.57.6.zip"; | 
 | 75 |     my $url = "http://www.avermedia.com/software/$sourcefile"; | 
 | 76 |     my $cabfile = "DVBT Net  Ver1.3.57.6/disk1/data1.cab"; | 
 | 77 |     my $hash = "237938d53a7f834c05c42b894ca68ac3"; | 
 | 78 |     my $outfile = "dvb-fe-sp887x.fw"; | 
 | 79 |     my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); | 
 | 80 |  | 
 | 81 |     checkstandard(); | 
 | 82 |     checkunshield(); | 
 | 83 |  | 
 | 84 |     wgetfile($sourcefile, $url); | 
 | 85 |     unzip($sourcefile, $tmpdir); | 
 | 86 |     unshield("$tmpdir/$cabfile", $tmpdir); | 
 | 87 |     verify("$tmpdir/ZEnglish/sc_main.mc", $hash); | 
 | 88 |     copy("$tmpdir/ZEnglish/sc_main.mc", $outfile); | 
 | 89 |  | 
 | 90 |     $outfile; | 
 | 91 | } | 
 | 92 |  | 
 | 93 | sub tda10045 { | 
 | 94 |     my $sourcefile = "tt_budget_217g.zip"; | 
 | 95 |     my $url = "http://www.technotrend.de/new/217g/$sourcefile"; | 
 | 96 |     my $hash = "2105fd5bf37842fbcdfa4bfd58f3594a"; | 
 | 97 |     my $outfile = "dvb-fe-tda10045.fw"; | 
 | 98 |     my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); | 
 | 99 |  | 
 | 100 |     checkstandard(); | 
 | 101 |  | 
 | 102 |     wgetfile($sourcefile, $url); | 
 | 103 |     unzip($sourcefile, $tmpdir); | 
 | 104 |     extract("$tmpdir/software/OEM/PCI/App/ttlcdacc.dll", 0x37ef9, 30555, "$tmpdir/fwtmp"); | 
 | 105 |     verify("$tmpdir/fwtmp", $hash); | 
 | 106 |     copy("$tmpdir/fwtmp", $outfile); | 
 | 107 |  | 
 | 108 |     $outfile; | 
 | 109 | } | 
 | 110 |  | 
 | 111 | sub tda10046 { | 
 | 112 |     my $sourcefile = "tt_budget_217g.zip"; | 
 | 113 |     my $url = "http://www.technotrend.de/new/217g/$sourcefile"; | 
| Johannes Stezenbach | 71e3420 | 2005-05-16 21:54:36 -0700 | [diff] [blame] | 114 |     my $hash = "6a7e1e2f2644b162ff0502367553c72d"; | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 115 |     my $outfile = "dvb-fe-tda10046.fw"; | 
 | 116 |     my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); | 
 | 117 |  | 
 | 118 |     checkstandard(); | 
 | 119 |  | 
 | 120 |     wgetfile($sourcefile, $url); | 
 | 121 |     unzip($sourcefile, $tmpdir); | 
| Johannes Stezenbach | 71e3420 | 2005-05-16 21:54:36 -0700 | [diff] [blame] | 122 |     extract("$tmpdir/software/OEM/PCI/App/ttlcdacc.dll", 0x3f731, 24478, "$tmpdir/fwtmp"); | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 123 |     verify("$tmpdir/fwtmp", $hash); | 
 | 124 |     copy("$tmpdir/fwtmp", $outfile); | 
 | 125 |  | 
 | 126 |     $outfile; | 
 | 127 | } | 
 | 128 |  | 
 | 129 | sub av7110 { | 
 | 130 |     my $sourcefile = "dvb-ttpci-01.fw-261d"; | 
 | 131 |     my $url = "http://www.linuxtv.org/downloads/firmware/$sourcefile"; | 
 | 132 |     my $hash = "603431b6259715a8e88f376a53b64e2f"; | 
 | 133 |     my $outfile = "dvb-ttpci-01.fw"; | 
 | 134 |  | 
 | 135 |     checkstandard(); | 
 | 136 |  | 
 | 137 |     wgetfile($sourcefile, $url); | 
 | 138 |     verify($sourcefile, $hash); | 
 | 139 |     copy($sourcefile, $outfile); | 
 | 140 |  | 
 | 141 |     $outfile; | 
 | 142 | } | 
 | 143 |  | 
 | 144 | sub dec2000t { | 
 | 145 |     my $sourcefile = "dec217g.exe"; | 
 | 146 |     my $url = "http://hauppauge.lightpath.net/de/$sourcefile"; | 
 | 147 |     my $hash = "bd86f458cee4a8f0a8ce2d20c66215a9"; | 
 | 148 |     my $outfile = "dvb-ttusb-dec-2000t.fw"; | 
 | 149 |     my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); | 
 | 150 |  | 
 | 151 |     checkstandard(); | 
 | 152 |  | 
 | 153 |     wgetfile($sourcefile, $url); | 
 | 154 |     unzip($sourcefile, $tmpdir); | 
 | 155 |     verify("$tmpdir/software/OEM/STB/App/Boot/STB_PC_T.bin", $hash); | 
 | 156 |     copy("$tmpdir/software/OEM/STB/App/Boot/STB_PC_T.bin", $outfile); | 
 | 157 |  | 
 | 158 |     $outfile; | 
 | 159 | } | 
 | 160 |  | 
 | 161 | sub dec2540t { | 
 | 162 |     my $sourcefile = "dec217g.exe"; | 
 | 163 |     my $url = "http://hauppauge.lightpath.net/de/$sourcefile"; | 
 | 164 |     my $hash = "53e58f4f5b5c2930beee74a7681fed92"; | 
 | 165 |     my $outfile = "dvb-ttusb-dec-2540t.fw"; | 
 | 166 |     my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); | 
 | 167 |  | 
 | 168 |     checkstandard(); | 
 | 169 |  | 
 | 170 |     wgetfile($sourcefile, $url); | 
 | 171 |     unzip($sourcefile, $tmpdir); | 
 | 172 |     verify("$tmpdir/software/OEM/STB/App/Boot/STB_PC_X.bin", $hash); | 
 | 173 |     copy("$tmpdir/software/OEM/STB/App/Boot/STB_PC_X.bin", $outfile); | 
 | 174 |  | 
 | 175 |     $outfile; | 
 | 176 | } | 
 | 177 |  | 
 | 178 | sub dec3000s { | 
 | 179 |     my $sourcefile = "dec217g.exe"; | 
 | 180 |     my $url = "http://hauppauge.lightpath.net/de/$sourcefile"; | 
 | 181 |     my $hash = "b013ececea83f4d6d8d2a29ac7c1b448"; | 
 | 182 |     my $outfile = "dvb-ttusb-dec-3000s.fw"; | 
 | 183 |     my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); | 
 | 184 |  | 
 | 185 |     checkstandard(); | 
 | 186 |  | 
 | 187 |     wgetfile($sourcefile, $url); | 
 | 188 |     unzip($sourcefile, $tmpdir); | 
 | 189 |     verify("$tmpdir/software/OEM/STB/App/Boot/STB_PC_S.bin", $hash); | 
 | 190 |     copy("$tmpdir/software/OEM/STB/App/Boot/STB_PC_S.bin", $outfile); | 
 | 191 |  | 
 | 192 |     $outfile; | 
 | 193 | } | 
 | 194 |  | 
 | 195 | sub vp7041 { | 
 | 196 |     my $sourcefile = "2.422.zip"; | 
 | 197 |     my $url = "http://www.twinhan.com/files/driver/USB-Ter/$sourcefile"; | 
 | 198 |     my $hash = "e88c9372d1f66609a3e7b072c53fbcfe"; | 
 | 199 |     my $outfile = "dvb-vp7041-2.422.fw"; | 
 | 200 |     my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); | 
 | 201 |  | 
 | 202 |     checkstandard(); | 
 | 203 |  | 
 | 204 |     wgetfile($sourcefile, $url); | 
 | 205 |     unzip($sourcefile, $tmpdir); | 
 | 206 |     extract("$tmpdir/VisionDTV/Drivers/Win2K&XP/UDTTload.sys", 12503, 3036, "$tmpdir/fwtmp1"); | 
 | 207 |     extract("$tmpdir/VisionDTV/Drivers/Win2K&XP/UDTTload.sys", 2207, 10274, "$tmpdir/fwtmp2"); | 
 | 208 |  | 
 | 209 |     my $CMD = "\000\001\000\222\177\000"; | 
 | 210 |     my $PAD = "\000\000\000\000\000\000\000\000\000\000\000\000\000\000\000"; | 
 | 211 |     my ($FW); | 
 | 212 |     open $FW, ">$tmpdir/fwtmp3"; | 
 | 213 |     print $FW "$CMD\001$PAD"; | 
 | 214 |     print $FW "$CMD\001$PAD"; | 
 | 215 |     appendfile($FW, "$tmpdir/fwtmp1"); | 
 | 216 |     print $FW "$CMD\000$PAD"; | 
 | 217 |     print $FW "$CMD\001$PAD"; | 
 | 218 |     appendfile($FW, "$tmpdir/fwtmp2"); | 
 | 219 |     print $FW "$CMD\001$PAD"; | 
 | 220 |     print $FW "$CMD\000$PAD"; | 
 | 221 |     close($FW); | 
 | 222 |  | 
 | 223 |     verify("$tmpdir/fwtmp3", $hash); | 
 | 224 |     copy("$tmpdir/fwtmp3", $outfile); | 
 | 225 |  | 
 | 226 |     $outfile; | 
 | 227 | } | 
 | 228 |  | 
 | 229 | sub dibusb { | 
 | 230 | 	my $url = "http://www.linuxtv.org/downloads/firmware/dvb-dibusb-5.0.0.11.fw"; | 
 | 231 | 	my $outfile = "dvb-dibusb-5.0.0.11.fw"; | 
 | 232 | 	my $hash = "fa490295a527360ca16dcdf3224ca243"; | 
 | 233 |  | 
 | 234 | 	checkstandard(); | 
 | 235 |  | 
 | 236 | 	wgetfile($outfile, $url); | 
 | 237 | 	verify($outfile,$hash); | 
 | 238 |  | 
 | 239 | 	$outfile; | 
 | 240 | } | 
 | 241 |  | 
 | 242 | sub nxt2002 { | 
 | 243 |     my $sourcefile = "Broadband4PC_4_2_11.zip"; | 
 | 244 |     my $url = "http://www.bbti.us/download/windows/$sourcefile"; | 
 | 245 |     my $hash = "c6d2ea47a8f456d887ada0cfb718ff2a"; | 
 | 246 |     my $outfile = "dvb-fe-nxt2002.fw"; | 
 | 247 |     my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); | 
 | 248 |  | 
 | 249 |     checkstandard(); | 
| Michael Krufky | 50c25ff | 2006-01-09 15:25:34 -0200 | [diff] [blame] | 250 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 251 |     wgetfile($sourcefile, $url); | 
 | 252 |     unzip($sourcefile, $tmpdir); | 
 | 253 |     verify("$tmpdir/SkyNETU.sys", $hash); | 
 | 254 |     extract("$tmpdir/SkyNETU.sys", 375832, 5908, $outfile); | 
 | 255 |  | 
 | 256 |     $outfile; | 
 | 257 | } | 
 | 258 |  | 
| Kirk Lapray | 04a4592 | 2005-11-08 21:35:46 -0800 | [diff] [blame] | 259 | sub nxt2004 { | 
 | 260 |     my $sourcefile = "AVerTVHD_MCE_A180_Drv_v1.2.2.16.zip"; | 
 | 261 |     my $url = "http://www.aver.com/support/Drivers/$sourcefile"; | 
 | 262 |     my $hash = "111cb885b1e009188346d72acfed024c"; | 
 | 263 |     my $outfile = "dvb-fe-nxt2004.fw"; | 
 | 264 |     my $tmpdir = tempdir(DIR => "/tmp", CLEANUP => 1); | 
 | 265 |  | 
 | 266 |     checkstandard(); | 
 | 267 |  | 
 | 268 |     wgetfile($sourcefile, $url); | 
 | 269 |     unzip($sourcefile, $tmpdir); | 
 | 270 |     verify("$tmpdir/3xHybrid.sys", $hash); | 
 | 271 |     extract("$tmpdir/3xHybrid.sys", 465304, 9584, $outfile); | 
 | 272 |  | 
 | 273 |     $outfile; | 
 | 274 | } | 
 | 275 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 276 | sub or51211 { | 
 | 277 |     my $fwfile = "dvb-fe-or51211.fw"; | 
 | 278 |     my $url = "http://linuxtv.org/downloads/firmware/$fwfile"; | 
 | 279 |     my $hash = "d830949c771a289505bf9eafc225d491"; | 
 | 280 |  | 
 | 281 |     checkstandard(); | 
 | 282 |  | 
 | 283 |     wgetfile($fwfile, $url); | 
 | 284 |     verify($fwfile, $hash); | 
 | 285 |  | 
 | 286 |     $fwfile; | 
 | 287 | } | 
 | 288 |  | 
 | 289 | sub or51132_qam { | 
 | 290 |     my $fwfile = "dvb-fe-or51132-qam.fw"; | 
 | 291 |     my $url = "http://linuxtv.org/downloads/firmware/$fwfile"; | 
 | 292 |     my $hash = "7702e8938612de46ccadfe9b413cb3b5"; | 
 | 293 |  | 
 | 294 |     checkstandard(); | 
 | 295 |  | 
 | 296 |     wgetfile($fwfile, $url); | 
 | 297 |     verify($fwfile, $hash); | 
 | 298 |  | 
 | 299 |     $fwfile; | 
 | 300 | } | 
 | 301 |  | 
 | 302 | sub or51132_vsb { | 
 | 303 |     my $fwfile = "dvb-fe-or51132-vsb.fw"; | 
 | 304 |     my $url = "http://linuxtv.org/downloads/firmware/$fwfile"; | 
 | 305 |     my $hash = "c16208e02f36fc439a557ad4c613364a"; | 
 | 306 |  | 
 | 307 |     checkstandard(); | 
 | 308 |  | 
 | 309 |     wgetfile($fwfile, $url); | 
 | 310 |     verify($fwfile, $hash); | 
 | 311 |  | 
 | 312 |     $fwfile; | 
 | 313 | } | 
 | 314 |  | 
| Michael Krufky | d8e6acf | 2006-01-09 15:32:42 -0200 | [diff] [blame] | 315 | sub bluebird { | 
| Michael Krufky | cec4183 | 2006-01-09 18:21:40 -0200 | [diff] [blame^] | 316 | 	my $url = "http://www.linuxtv.org/download/dvb/firmware/dvb-usb-bluebird-01.fw"; | 
| Michael Krufky | d8e6acf | 2006-01-09 15:32:42 -0200 | [diff] [blame] | 317 | 	my $outfile = "dvb-usb-bluebird-01.fw"; | 
 | 318 | 	my $hash = "658397cb9eba9101af9031302671f49d"; | 
 | 319 |  | 
 | 320 | 	checkstandard(); | 
 | 321 |  | 
 | 322 | 	wgetfile($outfile, $url); | 
 | 323 | 	verify($outfile,$hash); | 
 | 324 |  | 
 | 325 | 	$outfile; | 
 | 326 | } | 
 | 327 |  | 
| Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 328 | # --------------------------------------------------------------- | 
 | 329 | # Utilities | 
 | 330 |  | 
 | 331 | sub checkstandard { | 
 | 332 |     if (system("which unzip > /dev/null 2>&1")) { | 
 | 333 | 	die "This firmware requires the unzip command - see ftp://ftp.info-zip.org/pub/infozip/UnZip.html\n"; | 
 | 334 |     } | 
 | 335 |     if (system("which md5sum > /dev/null 2>&1")) { | 
 | 336 | 	die "This firmware requires the md5sum command - see http://www.gnu.org/software/coreutils/\n"; | 
 | 337 |     } | 
 | 338 |     if (system("which wget > /dev/null 2>&1")) { | 
 | 339 | 	die "This firmware requires the wget command - see http://wget.sunsite.dk/\n"; | 
 | 340 |     } | 
 | 341 | } | 
 | 342 |  | 
 | 343 | sub checkunshield { | 
 | 344 |     if (system("which unshield > /dev/null 2>&1")) { | 
 | 345 | 	die "This firmware requires the unshield command - see http://sourceforge.net/projects/synce/\n"; | 
 | 346 |     } | 
 | 347 | } | 
 | 348 |  | 
 | 349 | sub wgetfile { | 
 | 350 |     my ($sourcefile, $url) = @_; | 
 | 351 |  | 
 | 352 |     if (! -f $sourcefile) { | 
 | 353 | 	system("wget -O \"$sourcefile\" \"$url\"") and die "wget failed - unable to download firmware"; | 
 | 354 |     } | 
 | 355 | } | 
 | 356 |  | 
 | 357 | sub unzip { | 
 | 358 |     my ($sourcefile, $todir) = @_; | 
 | 359 |  | 
 | 360 |     $status = system("unzip -q -o -d \"$todir\" \"$sourcefile\" 2>/dev/null" ); | 
 | 361 |     if ((($status >> 8) > 2) || (($status & 0xff) != 0)) { | 
 | 362 | 	die ("unzip failed - unable to extract firmware"); | 
 | 363 |     } | 
 | 364 | } | 
 | 365 |  | 
 | 366 | sub unshield { | 
 | 367 |     my ($sourcefile, $todir) = @_; | 
 | 368 |  | 
 | 369 |     system("unshield x -d \"$todir\" \"$sourcefile\" > /dev/null" ) and die ("unshield failed - unable to extract firmware"); | 
 | 370 | } | 
 | 371 |  | 
 | 372 | sub verify { | 
 | 373 |     my ($filename, $hash) = @_; | 
 | 374 |     my ($testhash); | 
 | 375 |  | 
 | 376 |     open(CMD, "md5sum \"$filename\"|"); | 
 | 377 |     $testhash = <CMD>; | 
 | 378 |     $testhash =~ /([a-zA-Z0-9]*)/; | 
 | 379 |     $testhash = $1; | 
 | 380 |     close CMD; | 
 | 381 |     die "Hash of extracted file does not match!\n" if ($testhash ne $hash); | 
 | 382 | } | 
 | 383 |  | 
 | 384 | sub copy { | 
 | 385 |     my ($from, $to) = @_; | 
 | 386 |  | 
 | 387 |     system("cp -f \"$from\" \"$to\"") and die ("cp failed"); | 
 | 388 | } | 
 | 389 |  | 
 | 390 | sub extract { | 
 | 391 |     my ($infile, $offset, $length, $outfile) = @_; | 
 | 392 |     my ($chunklength, $buf, $rcount); | 
 | 393 |  | 
 | 394 |     open INFILE, "<$infile"; | 
 | 395 |     open OUTFILE, ">$outfile"; | 
 | 396 |     sysseek(INFILE, $offset, SEEK_SET); | 
 | 397 |     while($length > 0) { | 
 | 398 | 	# Calc chunk size | 
 | 399 | 	$chunklength = 2048; | 
 | 400 | 	$chunklength = $length if ($chunklength > $length); | 
 | 401 |  | 
 | 402 | 	$rcount = sysread(INFILE, $buf, $chunklength); | 
 | 403 | 	die "Ran out of data\n" if ($rcount != $chunklength); | 
 | 404 | 	syswrite(OUTFILE, $buf); | 
 | 405 | 	$length -= $rcount; | 
 | 406 |     } | 
 | 407 |     close INFILE; | 
 | 408 |     close OUTFILE; | 
 | 409 | } | 
 | 410 |  | 
 | 411 | sub appendfile { | 
 | 412 |     my ($FH, $infile) = @_; | 
 | 413 |     my ($buf); | 
 | 414 |  | 
 | 415 |     open INFILE, "<$infile"; | 
 | 416 |     while(1) { | 
 | 417 | 	$rcount = sysread(INFILE, $buf, 2048); | 
 | 418 | 	last if ($rcount == 0); | 
 | 419 | 	print $FH $buf; | 
 | 420 |     } | 
 | 421 |     close(INFILE); | 
 | 422 | } | 
 | 423 |  | 
 | 424 | sub syntax() { | 
 | 425 |     print STDERR "syntax: get_dvb_firmware <component>\n"; | 
 | 426 |     print STDERR "Supported components:\n"; | 
 | 427 |     for($i=0; $i < scalar(@components); $i++) { | 
 | 428 | 	print STDERR "\t" . $components[$i] . "\n"; | 
 | 429 |     } | 
 | 430 |     exit(1); | 
 | 431 | } |