extras/cdrom_id/cdrom_id.c

   1 /*
   2  * cdrom_id - optical drive and media information prober
   3  *
   4  * Copyright (C) 2008 Kay Sievers <kay.sievers@vrfy.org>
   5  *
   6  *      This program is free software; you can redistribute it and/or modify it
   7  *      under the terms of the GNU General Public License as published by the
   8  *      Free Software Foundation version 2 of the License.
   9  *
  10  *      This program is distributed in the hope that it will be useful, but
  11  *      WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  *      General Public License for more details.
  14  *
  15  *      You should have received a copy of the GNU General Public License along
  16  *      with this program; if not, write to the Free Software Foundation, Inc.,
  17  *      675 Mass Ave, Cambridge, MA 02139, USA.
  18  *
  19  */
  20
  21 #ifndef _GNU_SOURCE
  22 #define _GNU_SOURCE 1
  23 #endif
  24
  25 #include <stdio.h>
  26 #include <stddef.h>
  27 #include <stdlib.h>
  28 #include <unistd.h>
  29 #include <string.h>
  30 #include <limits.h>
  31 #include <fcntl.h>
  32 #include <errno.h>
  33 #include <getopt.h>
  34 #include <scsi/sg.h>
  35 #include <sys/types.h>
  36 #include <sys/stat.h>
  37 #include <sys/time.h>
  38 #include <sys/ioctl.h>
  39 #include <linux/cdrom.h>
  40
  41 #include "../../udev/udev.h"
  42
  43 #ifndef ARRAY_SIZE
  44 #define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
  45 #endif
  46
  47 static int debug;
  48
  49 #ifdef USE_LOG
  50 void log_message(int priority, const char *format, ...)
  51 {
  52         va_list args;
  53         static int udev_log = -1;
  54
  55         if (udev_log == -1) {
  56                 const char *value;
  57
  58                 value = getenv("UDEV_LOG");
  59                 if (value)
  60                         udev_log = log_priority(value);
  61                 else
  62                         udev_log = LOG_ERR;
  63
  64                 if (debug && udev_log < LOG_INFO)
  65                         udev_log = LOG_INFO;
  66         }
  67
  68         if (priority > udev_log)
  69                 return;
  70
  71         va_start(args, format);
  72         if (debug) {
  73                 fprintf(stderr, "[%d] ", (int) getpid());
  74                 vfprintf(stderr, format, args);
  75         } else
  76                 vsyslog(priority, format, args);
  77         va_end(args);
  78 }
  79 #endif
  80
  81 /* device info */
  82 static unsigned int cd_cd_rom;
  83 static unsigned int cd_cd_r;
  84 static unsigned int cd_cd_rw;
  85 static unsigned int cd_dvd_rom;
  86 static unsigned int cd_dvd_r;
  87 static unsigned int cd_dvd_rw;
  88 static unsigned int cd_dvd_ram;
  89 static unsigned int cd_dvd_plus_r;
  90 static unsigned int cd_dvd_plus_rw;
  91 static unsigned int cd_dvd_plus_r_dl;
  92 static unsigned int cd_dvd_plus_rw_dl;
  93 static unsigned int cd_bd;
  94 static unsigned int cd_bd_r;
  95 static unsigned int cd_bd_re;
  96 static unsigned int cd_hddvd;
  97 static unsigned int cd_hddvd_r;
  98 static unsigned int cd_hddvd_rw;
  99 static unsigned int cd_mo;
 100 static unsigned int cd_mrw;
 101 static unsigned int cd_mrw_w;
 102
 103 /* media info */
 104 static unsigned int cd_media_cd_rom;
 105 static unsigned int cd_media_cd_r;
 106 static unsigned int cd_media_cd_rw;
 107 static unsigned int cd_media_dvd_rom;
 108 static unsigned int cd_media_dvd_r;
 109 static unsigned int cd_media_dvd_rw;
 110 static unsigned int cd_media_dvd_ram;
 111 static unsigned int cd_media_dvd_plus_r;
 112 static unsigned int cd_media_dvd_plus_rw;
 113 static unsigned int cd_media_dvd_plus_r_dl;
 114 static unsigned int cd_media_dvd_plus_rw_dl;
 115 static unsigned int cd_media_bd;
 116 static unsigned int cd_media_bd_r;
 117 static unsigned int cd_media_bd_re;
 118 static unsigned int cd_media_hddvd;
 119 static unsigned int cd_media_hddvd_r;
 120 static unsigned int cd_media_hddvd_rw;
 121 static unsigned int cd_media_mo;
 122 static unsigned int cd_media_mrw;
 123 static unsigned int cd_media_mrw_w;
 124
 125 static const char *cd_media_state;
 126 static unsigned int cd_media_session_next;
 127 static unsigned int cd_media_session_count;
 128 static unsigned int cd_media_track_count;
 129 static unsigned int cd_media_track_count_data;
 130 static unsigned int cd_media_track_count_audio;
 131 static unsigned long long int cd_media_session_last_offset;
 132
 133 #define ERRCODE(s)      ((((s)[2] & 0x0F) << 16) | ((s)[12] << 8) | ((s)[13]))
 134 #define SK(errcode)     (((errcode) >> 16) & 0xF)
 135 #define ASC(errcode)    (((errcode) >> 8) & 0xFF)
 136 #define ASCQ(errcode)   ((errcode) & 0xFF)
 137
 138 static void info_scsi_cmd_err(const char *cmd, int err)
 139 {
 140         if (err == -1) {
 141                 info("%s failed\n", cmd);
 142                 return;
 143         }
 144         info("%s failed with SK=%Xh/ASC=%02Xh/ACQ=%02Xh\n", cmd, SK(err), ASC(err), ASCQ(err));
 145 }
 146
 147 struct scsi_cmd {
 148         struct cdrom_generic_command cgc;
 149         union {
 150                 struct request_sense s;
 151                 unsigned char u[18];
 152         } _sense;
 153         struct sg_io_hdr sg_io;
 154 };
 155
 156 static void scsi_cmd_set(struct scsi_cmd *cmd, size_t i, int arg)
 157 {
 158         if (i == 0) {
 159                 memset(cmd, 0x00, sizeof(struct scsi_cmd));
 160                 cmd->cgc.quiet = 1;
 161                 cmd->cgc.sense = &cmd->_sense.s;
 162                 memset(&cmd->sg_io, 0, sizeof(cmd->sg_io));
 163                 cmd->sg_io.interface_id = 'S';
 164                 cmd->sg_io.mx_sb_len = sizeof(cmd->_sense);
 165                 cmd->sg_io.cmdp = cmd->cgc.cmd;
 166                 cmd->sg_io.sbp = cmd->_sense.u;
 167                 cmd->sg_io.flags = SG_FLAG_LUN_INHIBIT | SG_FLAG_DIRECT_IO;
 168         }
 169         cmd->sg_io.cmd_len = i + 1;
 170         cmd->cgc.cmd[i] = arg;
 171 }
 172
 173 #define CHECK_CONDITION 0x01
 174
 175 static int scsi_cmd_run(struct scsi_cmd *cmd, int fd, unsigned char *buf, size_t bufsize)
 176 {
 177         int ret = 0;
 178
 179         cmd->sg_io.dxferp = buf;
 180         cmd->sg_io.dxfer_len = bufsize;
 181         cmd->sg_io.dxfer_direction = SG_DXFER_FROM_DEV;
 182         if (ioctl(fd, SG_IO, &cmd->sg_io))
 183                 return -1;
 184
 185         if ((cmd->sg_io.info & SG_INFO_OK_MASK) != SG_INFO_OK) {
 186                 errno = EIO;
 187                 ret = -1;
 188                 if (cmd->sg_io.masked_status & CHECK_CONDITION) {
 189                         ret = ERRCODE(cmd->_sense.u);
 190                         if (ret == 0)
 191                                 ret = -1;
 192                 }
 193         }
 194         return ret;
 195 }
 196
 197 static int cd_capability_compat(int fd)
 198 {
 199         int capabilty;
 200
 201         capabilty = ioctl(fd, CDROM_GET_CAPABILITY, NULL);
 202         if (capabilty < 0) {
 203                 info("CDROM_GET_CAPABILITY failed\n");
 204                 return -1;
 205         }
 206
 207         if (capabilty & CDC_CD_R)
 208                 cd_cd_r = 1;
 209         if (capabilty & CDC_CD_RW)
 210                 cd_cd_rw = 1;
 211         if (capabilty & CDC_DVD)
 212                 cd_dvd_rom = 1;
 213         if (capabilty & CDC_DVD_R)
 214                 cd_dvd_r = 1;
 215         if (capabilty & CDC_DVD_RAM)
 216                 cd_dvd_ram = 1;
 217         if (capabilty & CDC_MRW)
 218                 cd_mrw = 1;
 219         if (capabilty & CDC_MRW_W)
 220                 cd_mrw_w = 1;
 221         return 0;
 222 }
 223
 224 static int cd_inquiry(int fd) {
 225         struct scsi_cmd sc;
 226         unsigned char inq[128];
 227         int err;
 228
 229         scsi_cmd_set(&sc, 0, 0x12);
 230         scsi_cmd_set(&sc, 4, 36);
 231         scsi_cmd_set(&sc, 5, 0);
 232         err = scsi_cmd_run(&sc, fd, inq, 36);
 233         if ((err < 0)) {
 234                 info_scsi_cmd_err("INQUIRY", err);
 235                 return -1;
 236         }
 237
 238         if ((inq[0] & 0x1F) != 5) {
 239                 info("not an MMC unit\n");
 240                 return -1;
 241         }
 242
 243         info("INQUIRY: [%.8s][%.16s][%.4s]\n", inq + 8, inq + 16, inq + 32);
 244         return 0;
 245 }
 246
 247 static int cd_profiles(int fd)
 248 {
 249         struct scsi_cmd sc;
 250         unsigned char header[8];
 251         unsigned char profiles[512];
 252         unsigned int cur_profile;
 253         unsigned int len;
 254         unsigned int i;
 255         int err;
 256
 257         scsi_cmd_set(&sc, 0, 0x46);
 258         scsi_cmd_set(&sc, 1, 0);
 259         scsi_cmd_set(&sc, 8, sizeof(header));
 260         scsi_cmd_set(&sc, 9, 0);
 261         err = scsi_cmd_run(&sc, fd, header, sizeof(header));
 262         if ((err < 0)) {
 263                 info_scsi_cmd_err("GET CONFIGURATION", err);
 264                 return -1;
 265         }
 266
 267         len = 4 + (header[0] << 24 | header[1] << 16 | header[2] << 8 | header[3]);
 268         info("GET CONFIGURATION: number of profiles %i\n", len);
 269         if (len > sizeof(profiles)) {
 270                 info("invalid number of profiles\n");
 271                 return -1;
 272         }
 273
 274         scsi_cmd_set(&sc, 0, 0x46);
 275         scsi_cmd_set(&sc, 1, 1);
 276         scsi_cmd_set(&sc, 6, len >> 16);
 277         scsi_cmd_set(&sc, 7, len >> 8);
 278         scsi_cmd_set(&sc, 8, len);
 279         scsi_cmd_set(&sc, 9, 0);
 280         err = scsi_cmd_run(&sc, fd, profiles, len);
 281         if ((err < 0)) {
 282                 info_scsi_cmd_err("GET CONFIGURATION", err);
 283                 return -1;
 284         }
 285
 286         /* device profiles */
 287         for (i = 12; i < profiles[11]; i += 4) {
 288                 unsigned int profile = (profiles[i] << 8 | profiles[i + 1]);
 289                 if (profile == 0)
 290                         continue;
 291                 info("profile 0x%02x\n", profile);
 292
 293                 switch (profile) {
 294                 case 0x03:
 295                 case 0x04:
 296                 case 0x05:
 297                         cd_mo = 1;
 298                 break;
 299                 case 0x10:
 300                         cd_dvd_rom = 1;
 301                         break;
 302                 case 0x12:
 303                         cd_dvd_ram = 1;
 304                         break;
 305                 case 0x13:
 306                 case 0x14:
 307                         cd_dvd_rw = 1;
 308                         break;
 309                 case 0x1B:
 310                         cd_dvd_plus_r = 1;
 311                         break;
 312                 case 0x1A:
 313                         cd_dvd_plus_rw = 1;
 314                         break;
 315                 case 0x2A:
 316                         cd_dvd_plus_rw_dl = 1;
 317                         break;
 318                 case 0x2B:
 319                         cd_dvd_plus_r_dl = 1;
 320                         break;
 321                 case 0x40:
 322                         cd_bd = 1;
 323                         break;
 324                 case 0x41:
 325                 case 0x42:
 326                         cd_bd_r = 1;
 327                         break;
 328                 case 0x43:
 329                         cd_bd_re = 1;
 330                         break;
 331                 case 0x50:
 332                         cd_hddvd = 1;
 333                         break;
 334                 case 0x51:
 335                         cd_hddvd_r = 1;
 336                         break;
 337                 case 0x52:
 338                         cd_hddvd_rw = 1;
 339                         break;
 340                 default:
 341                         break;
 342                 }
 343         }
 344
 345         /* current media profile */
 346         cur_profile = header[6] << 8 | header[7];
 347         info("current profile 0x%02x\n", cur_profile);
 348         if (cur_profile == 0) {
 349                 info("no current profile, assuming no media\n");
 350                 return -1;
 351         }
 352
 353         switch (cur_profile) {
 354         case 0x03:
 355         case 0x04:
 356         case 0x05:
 357                 cd_media_mo = 1;
 358                 break;
 359         case 0x08:
 360                 cd_media_cd_rom = 1;
 361                 break;
 362         case 0x09:
 363                 cd_media_cd_r = 1;
 364                 break;
 365         case 0x0a:
 366                 cd_media_cd_rw = 1;
 367                 break;
 368         case 0x10:
 369                 cd_media_dvd_rom = 1;
 370                 break;
 371         case 0x11:
 372                 cd_media_dvd_r = 1;
 373                 break;
 374         case 0x12:
 375                 cd_media_dvd_ram = 1;
 376                 break;
 377         case 0x13:
 378         case 0x14:
 379                 cd_media_dvd_rw = 1;
 380                 break;
 381         case 0x1B:
 382                 cd_media_dvd_plus_r = 1;
 383                 break;
 384         case 0x1A:
 385                 cd_media_dvd_plus_rw = 1;
 386                 break;
 387         case 0x2A:
 388                 cd_media_dvd_plus_rw_dl = 1;
 389                 break;
 390         case 0x2B:
 391                 cd_media_dvd_plus_r_dl = 1;
 392                 break;
 393         case 0x40:
 394                 cd_media_bd = 1;
 395                 break;
 396         case 0x41:
 397         case 0x42:
 398                 cd_media_bd_r = 1;
 399                 break;
 400         case 0x43:
 401                 cd_media_bd_re = 1;
 402                 break;
 403         case 0x50:
 404                 cd_media_hddvd = 1;
 405                 break;
 406         case 0x51:
 407                 cd_media_hddvd_r = 1;
 408                 break;
 409         case 0x52:
 410                 cd_media_hddvd_rw = 1;
 411                 break;
 412         default:
 413                 break;
 414         }
 415         return 0;
 416 }
 417
 418 static int cd_media_info(int fd)
 419 {
 420         struct scsi_cmd sc;
 421         unsigned char header[32];
 422         static const char *media_status[] = {
 423                 "blank",
 424                 "appendable",
 425                 "complete",
 426                 "other"
 427         };
 428         int err;
 429
 430         scsi_cmd_set(&sc, 0, 0x51);
 431         scsi_cmd_set(&sc, 8, sizeof(header));
 432         scsi_cmd_set(&sc, 9, 0);
 433         err = scsi_cmd_run(&sc, fd, header, sizeof(header));
 434         if ((err < 0)) {
 435                 info_scsi_cmd_err("READ DISC INFORMATION", err);
 436                 return -1;
 437         };
 438
 439         info("disk type %02x\n", header[8]);
 440
 441         if ((header[2] & 3) < 4)
 442                 cd_media_state = media_status[header[2] & 3];
 443         if ((header[2] & 3) != 2)
 444                 cd_media_session_next = header[10] << 8 | header[5];
 445         cd_media_session_count = header[9] << 8 | header[4];
 446         cd_media_track_count = header[11] << 8 | header[6];
 447
 448         return 0;
 449 }
 450
 451 static int cd_media_toc(int fd)
 452 {
 453         struct scsi_cmd sc;
 454         unsigned char header[12];
 455         unsigned char toc[2048];
 456         unsigned int len, i;
 457         unsigned char *p;
 458         int err;
 459
 460         scsi_cmd_set(&sc, 0, 0x43);
 461         scsi_cmd_set(&sc, 6, 1);
 462         scsi_cmd_set(&sc, 8, sizeof(header));
 463         scsi_cmd_set(&sc, 9, 0);
 464         err = scsi_cmd_run(&sc, fd, header, sizeof(header));
 465         if ((err < 0)) {
 466                 info_scsi_cmd_err("READ TOC", err);
 467                 return -1;
 468         }
 469
 470         len = (header[0] << 8 | header[1]) + 2;
 471         info("READ TOC: len: %d\n", len);
 472         if (len > sizeof(toc))
 473                 return -1;
 474         if (len < 2)
 475                 return -1;
 476
 477         /* empty media has no tracks */
 478         if (len < 8)
 479                 return 0;
 480
 481         scsi_cmd_set(&sc, 0, 0x43);
 482         scsi_cmd_set(&sc, 6, header[2]); /* First Track/Session Number */
 483         scsi_cmd_set(&sc, 7, len >> 8);
 484         scsi_cmd_set(&sc, 8, len);
 485         scsi_cmd_set(&sc, 9, 0);
 486         err = scsi_cmd_run(&sc, fd, toc, len);
 487         if ((err < 0)) {
 488                 info_scsi_cmd_err("READ TOC (tracks)", err);
 489                 return -1;
 490         }
 491
 492         for (p = toc+4, i = 4; i < len-8; i += 8, p += 8) {
 493                 unsigned int block;
 494                 unsigned int is_data_track;
 495
 496                 is_data_track = (p[1] & 0x04) != 0;
 497
 498                 block = p[4] << 24 | p[5] << 16 | p[6] << 8 | p[7];
 499                 info("track=%u info=0x%x(%s) start_block=%u\n",
 500                      p[2], p[1] & 0x0f, is_data_track ? "data":"audio", block);
 501
 502                 if (is_data_track)
 503                         cd_media_track_count_data++;
 504                 else
 505                         cd_media_track_count_audio++;
 506         }
 507
 508         scsi_cmd_set(&sc, 0, 0x43);
 509         scsi_cmd_set(&sc, 2, 1); /* Session Info */
 510         scsi_cmd_set(&sc, 8, 12);
 511         scsi_cmd_set(&sc, 9, 0);
 512         err = scsi_cmd_run(&sc, fd, header, sizeof(header));
 513         if ((err < 0)) {
 514                 info_scsi_cmd_err("READ TOC (multi session)", err);
 515                 return -1;
 516         }
 517         len = header[4+4] << 24 | header[4+5] << 16 | header[4+6] << 8 | header[4+7];
 518         info("last track %u starts at block %u\n", header[4+2], len);
 519         cd_media_session_last_offset = (unsigned long long int)len * 2048;
 520         return 0;
 521 }
 522
 523 int main(int argc, char *argv[])
 524 {
 525         static const struct option options[] = {
 526                 { "export", 0, NULL, 'x' },
 527                 { "debug", 0, NULL, 'd' },
 528                 { "help", 0, NULL, 'h' },
 529                 {}
 530         };
 531         const char *node = NULL;
 532         int export = 0;
 533         int fd = -1;
 534         int rc = 0;
 535
 536         logging_init("cdrom_id");
 537
 538         while (1) {
 539                 int option;
 540
 541                 option = getopt_long(argc, argv, "dxh", options, NULL);
 542                 if (option == -1)
 543                         break;
 544
 545                 switch (option) {
 546                 case 'd':
 547                         debug = 1;
 548                         break;
 549                 case 'x':
 550                         export = 1;
 551                         break;
 552                 case 'h':
 553                         printf("Usage: cdrom_id [options] <device>\n"
 554                                "  --export        export key/value pairs\n"
 555                                "  --debug         debug to stderr\n"
 556                                "  --help          print this help text\n\n");
 557                         goto exit;
 558                 default:
 559                         rc = 1;
 560                         goto exit;
 561                 }
 562         }
 563
 564         node = argv[optind];
 565         if (!node) {
 566                 err("no device\n");
 567                 fprintf(stderr, "no device\n");
 568                 rc = 1;
 569                 goto exit;
 570         }
 571
 572         fd = open(node, O_RDONLY | O_NONBLOCK);
 573         if (fd < 0) {
 574                 info("unable to open '%s'\n", node);
 575                 rc = 1;
 576                 goto exit;
 577         }
 578         info("probing: '%s'\n", node);
 579
 580         /* same data as original cdrom_id */
 581         if (cd_capability_compat(fd) < 0) {
 582                 rc = 1;
 583                 goto exit;
 584         }
 585
 586         /* check drive */
 587         if (cd_inquiry(fd) < 0) {
 588                 rc = 2;
 589                 goto exit;
 590         }
 591
 592         /* read drive and possibly current profile */
 593         if (cd_profiles(fd) < 0)
 594                 goto print;
 595
 596         /* get session/track info */
 597         if (cd_media_toc(fd) < 0)
 598                 goto print;
 599
 600         /* get writable media state */
 601         if (cd_media_info(fd) < 0)
 602                 goto print;
 603
 604 print:
 605         printf("ID_CDROM=1\n");
 606         if (cd_cd_rom)
 607                 printf("ID_CDROM_CD=1\n");
 608         if (cd_cd_r)
 609                 printf("ID_CDROM_CD_R=1\n");
 610         if (cd_cd_rw)
 611                 printf("ID_CDROM_CD_RW=1\n");
 612         if (cd_dvd_rom)
 613                 printf("ID_CDROM_DVD=1\n");
 614         if (cd_dvd_r)
 615                 printf("ID_CDROM_DVD_R=1\n");
 616         if (cd_dvd_rw)
 617                 printf("ID_CDROM_DVD_RW=1\n");
 618         if (cd_dvd_ram)
 619                 printf("ID_CDROM_DVD_RAM=1\n");
 620         if (cd_dvd_plus_r)
 621                 printf("ID_CDROM_DVD_PLUS_R=1\n");
 622         if (cd_dvd_plus_rw)
 623                 printf("ID_CDROM_DVD_PLUS_RW=1\n");
 624         if (cd_dvd_plus_r_dl)
 625                 printf("ID_CDROM_DVD_PLUS_R_DL=1\n");
 626         if (cd_dvd_plus_rw_dl)
 627                 printf("ID_CDROM_DVD_PLUS_RW_DL=1\n");
 628         if (cd_bd)
 629                 printf("ID_CDROM_BD=1\n");
 630         if (cd_bd_r)
 631                 printf("ID_CDROM_BD_R=1\n");
 632         if (cd_bd_re)
 633                 printf("ID_CDROM_BD_RE=1\n");
 634         if (cd_hddvd)
 635                 printf("ID_CDROM_HDDVD=1\n");
 636         if (cd_hddvd_r)
 637                 printf("ID_CDROM_HDDVD_R=1\n");
 638         if (cd_hddvd_rw)
 639                 printf("ID_CDROM_HDDVD_RW=1\n");
 640         if (cd_mo)
 641                 printf("ID_CDROM_MO=1\n");
 642         if (cd_mrw)
 643                 printf("ID_CDROM_MRW=1\n");
 644         if (cd_mrw_w)
 645                 printf("ID_CDROM_MRW_W=1\n");
 646
 647         if (cd_media_mo)
 648                 printf("ID_CDROM_MEDIA_MO=1\n");
 649         if (cd_media_mrw)
 650                 printf("ID_CDROM_MEDIA_MRW=1\n");
 651         if (cd_media_mrw_w)
 652                 printf("ID_CDROM_MEDIA_MRW_W=1\n");
 653         if (cd_media_cd_rom)
 654                 printf("ID_CDROM_MEDIA_CD=1\n");
 655         if (cd_media_cd_r)
 656                 printf("ID_CDROM_MEDIA_CD_R=1\n");
 657         if (cd_media_cd_rw)
 658                 printf("ID_CDROM_MEDIA_CD_RW=1\n");
 659         if (cd_media_dvd_rom)
 660                 printf("ID_CDROM_MEDIA_DVD=1\n");
 661         if (cd_media_dvd_r)
 662                 printf("ID_CDROM_MEDIA_DVD_R=1\n");
 663         if (cd_media_dvd_ram)
 664                 printf("ID_CDROM_MEDIA_DVD_RAM=1\n");
 665         if (cd_media_dvd_rw)
 666                 printf("ID_CDROM_MEDIA_DVD_RW=1\n");
 667         if (cd_media_dvd_plus_r)
 668                 printf("ID_CDROM_MEDIA_DVD_PLUS_R=1\n");
 669         if (cd_media_dvd_plus_rw)
 670                 printf("ID_CDROM_MEDIA_DVD_PLUS_RW=1\n");
 671         if (cd_media_dvd_plus_rw_dl)
 672                 printf("ID_CDROM_MEDIA_DVD_PLUS_RW_DL=1\n");
 673         if (cd_media_dvd_plus_r_dl)
 674                 printf("ID_CDROM_MEDIA_DVD_PLUS_R_DL=1\n");
 675         if (cd_media_bd)
 676                 printf("ID_CDROM_MEDIA_BD=1\n");
 677         if (cd_media_bd_r)
 678                 printf("ID_CDROM_MEDIA_BD_R=1\n");
 679         if (cd_media_bd_re)
 680                 printf("ID_CDROM_MEDIA_BD_RE=1\n");
 681         if (cd_media_hddvd)
 682                 printf("ID_CDROM_MEDIA_HDDVD=1\n");
 683         if (cd_media_hddvd_r)
 684                 printf("ID_CDROM_MEDIA_HDDVD_R=1\n");
 685         if (cd_media_hddvd_rw)
 686                 printf("ID_CDROM_MEDIA_HDDVD_RW=1\n");
 687
 688         if (cd_media_state != NULL)
 689                 printf("ID_CDROM_MEDIA_STATE=%s\n", cd_media_state);
 690         if (cd_media_session_next > 0)
 691                 printf("ID_CDROM_MEDIA_SESSION_NEXT=%d\n", cd_media_session_next);
 692         if (cd_media_session_count > 0)
 693                 printf("ID_CDROM_MEDIA_SESSION_COUNT=%d\n", cd_media_session_count);
 694         if (cd_media_track_count > 0)
 695                 printf("ID_CDROM_MEDIA_TRACK_COUNT=%d\n", cd_media_track_count);
 696         if (cd_media_track_count_audio)
 697                 printf("ID_CDROM_MEDIA_TRACK_COUNT_AUDIO=%d\n", cd_media_track_count_audio);
 698         if (cd_media_track_count_data)
 699                 printf("ID_CDROM_MEDIA_TRACK_COUNT_DATA=%d\n", cd_media_track_count_data);
 700         if (cd_media_session_last_offset)
 701                 printf("ID_CDROM_MEDIA_SESSION_LAST_OFFSET=%llu\n", cd_media_session_last_offset);
 702 exit:
 703         if (fd >= 0)
 704                 close(fd);
 705         logging_close();
 706         return rc;
 707 }
 708