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
   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  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #ifndef _GNU_SOURCE
  21 #define _GNU_SOURCE 1
  22 #endif
  23
  24 #include <stdio.h>
  25 #include <stddef.h>
  26 #include <stdlib.h>
  27 #include <unistd.h>
  28 #include <string.h>
  29 #include <limits.h>
  30 #include <fcntl.h>
  31 #include <errno.h>
  32 #include <getopt.h>
  33 #include <scsi/sg.h>
  34 #include <sys/types.h>
  35 #include <sys/stat.h>
  36 #include <sys/time.h>
  37 #include <sys/ioctl.h>
  38 #include <linux/cdrom.h>
  39
  40 #include "libudev.h"
  41 #include "libudev-private.h"
  42
  43 static int debug;
  44
  45 static void log_fn(struct udev *udev, int priority,
  46                    const char *file, int line, const char *fn,
  47                    const char *format, va_list args)
  48 {
  49         if (debug) {
  50                 fprintf(stderr, "%s: ", fn);
  51                 vfprintf(stderr, format, args);
  52         } else {
  53                 vsyslog(priority, format, args);
  54         }
  55 }
  56
  57 /* device info */
  58 static unsigned int cd_cd_rom;
  59 static unsigned int cd_cd_r;
  60 static unsigned int cd_cd_rw;
  61 static unsigned int cd_dvd_rom;
  62 static unsigned int cd_dvd_r;
  63 static unsigned int cd_dvd_rw;
  64 static unsigned int cd_dvd_ram;
  65 static unsigned int cd_dvd_plus_r;
  66 static unsigned int cd_dvd_plus_rw;
  67 static unsigned int cd_dvd_plus_r_dl;
  68 static unsigned int cd_dvd_plus_rw_dl;
  69 static unsigned int cd_bd;
  70 static unsigned int cd_bd_r;
  71 static unsigned int cd_bd_re;
  72 static unsigned int cd_hddvd;
  73 static unsigned int cd_hddvd_r;
  74 static unsigned int cd_hddvd_rw;
  75 static unsigned int cd_mo;
  76 static unsigned int cd_mrw;
  77 static unsigned int cd_mrw_w;
  78
  79 /* media info */
  80 static unsigned int cd_media;
  81 static unsigned int cd_media_cd_rom;
  82 static unsigned int cd_media_cd_r;
  83 static unsigned int cd_media_cd_rw;
  84 static unsigned int cd_media_dvd_rom;
  85 static unsigned int cd_media_dvd_r;
  86 static unsigned int cd_media_dvd_rw;
  87 static unsigned int cd_media_dvd_ram;
  88 static unsigned int cd_media_dvd_plus_r;
  89 static unsigned int cd_media_dvd_plus_rw;
  90 static unsigned int cd_media_dvd_plus_r_dl;
  91 static unsigned int cd_media_dvd_plus_rw_dl;
  92 static unsigned int cd_media_bd;
  93 static unsigned int cd_media_bd_r;
  94 static unsigned int cd_media_bd_re;
  95 static unsigned int cd_media_hddvd;
  96 static unsigned int cd_media_hddvd_r;
  97 static unsigned int cd_media_hddvd_rw;
  98 static unsigned int cd_media_mo;
  99 static unsigned int cd_media_mrw;
 100 static unsigned int cd_media_mrw_w;
 101
 102 static const char *cd_media_state;
 103 static unsigned int cd_media_session_next;
 104 static unsigned int cd_media_session_count;
 105 static unsigned int cd_media_track_count;
 106 static unsigned int cd_media_track_count_data;
 107 static unsigned int cd_media_track_count_audio;
 108 static unsigned long long int cd_media_session_last_offset;
 109
 110 #define ERRCODE(s)      ((((s)[2] & 0x0F) << 16) | ((s)[12] << 8) | ((s)[13]))
 111 #define SK(errcode)     (((errcode) >> 16) & 0xF)
 112 #define ASC(errcode)    (((errcode) >> 8) & 0xFF)
 113 #define ASCQ(errcode)   ((errcode) & 0xFF)
 114
 115 static void info_scsi_cmd_err(struct udev *udev, char *cmd, int err)
 116 {
 117         if (err == -1) {
 118                 info(udev, "%s failed\n", cmd);
 119                 return;
 120         }
 121         info(udev, "%s failed with SK=%Xh/ASC=%02Xh/ACQ=%02Xh\n", cmd, SK(err), ASC(err), ASCQ(err));
 122 }
 123
 124 struct scsi_cmd {
 125         struct cdrom_generic_command cgc;
 126         union {
 127                 struct request_sense s;
 128                 unsigned char u[18];
 129         } _sense;
 130         struct sg_io_hdr sg_io;
 131 };
 132
 133 static void scsi_cmd_set(struct udev *udev, struct scsi_cmd *cmd, size_t i, int arg)
 134 {
 135         if (i == 0) {
 136                 memset(cmd, 0x00, sizeof(struct scsi_cmd));
 137                 cmd->cgc.quiet = 1;
 138                 cmd->cgc.sense = &cmd->_sense.s;
 139                 memset(&cmd->sg_io, 0, sizeof(cmd->sg_io));
 140                 cmd->sg_io.interface_id = 'S';
 141                 cmd->sg_io.mx_sb_len = sizeof(cmd->_sense);
 142                 cmd->sg_io.cmdp = cmd->cgc.cmd;
 143                 cmd->sg_io.sbp = cmd->_sense.u;
 144                 cmd->sg_io.flags = SG_FLAG_LUN_INHIBIT | SG_FLAG_DIRECT_IO;
 145         }
 146         cmd->sg_io.cmd_len = i + 1;
 147         cmd->cgc.cmd[i] = arg;
 148 }
 149
 150 #define CHECK_CONDITION 0x01
 151
 152 static int scsi_cmd_run(struct udev *udev, struct scsi_cmd *cmd, int fd, unsigned char *buf, size_t bufsize)
 153 {
 154         int ret = 0;
 155
 156         cmd->sg_io.dxferp = buf;
 157         cmd->sg_io.dxfer_len = bufsize;
 158         cmd->sg_io.dxfer_direction = SG_DXFER_FROM_DEV;
 159         if (ioctl(fd, SG_IO, &cmd->sg_io))
 160                 return -1;
 161
 162         if ((cmd->sg_io.info & SG_INFO_OK_MASK) != SG_INFO_OK) {
 163                 errno = EIO;
 164                 ret = -1;
 165                 if (cmd->sg_io.masked_status & CHECK_CONDITION) {
 166                         ret = ERRCODE(cmd->_sense.u);
 167                         if (ret == 0)
 168                                 ret = -1;
 169                 }
 170         }
 171         return ret;
 172 }
 173
 174 static int cd_capability_compat(struct udev *udev, int fd)
 175 {
 176         int capability;
 177
 178         capability = ioctl(fd, CDROM_GET_CAPABILITY, NULL);
 179         if (capability < 0) {
 180                 info(udev, "CDROM_GET_CAPABILITY failed\n");
 181                 return -1;
 182         }
 183
 184         if (capability & CDC_CD_R)
 185                 cd_cd_r = 1;
 186         if (capability & CDC_CD_RW)
 187                 cd_cd_rw = 1;
 188         if (capability & CDC_DVD)
 189                 cd_dvd_rom = 1;
 190         if (capability & CDC_DVD_R)
 191                 cd_dvd_r = 1;
 192         if (capability & CDC_DVD_RAM)
 193                 cd_dvd_ram = 1;
 194         if (capability & CDC_MRW)
 195                 cd_mrw = 1;
 196         if (capability & CDC_MRW_W)
 197                 cd_mrw_w = 1;
 198         return 0;
 199 }
 200
 201 static int cd_media_compat(struct udev *udev, int fd)
 202 {
 203         if (ioctl(fd, CDROM_DRIVE_STATUS, CDSL_CURRENT) != CDS_DISC_OK) {
 204                 info(udev, "CDROM_DRIVE_STATUS != CDS_DISC_OK\n");
 205                 return -1;
 206         }
 207         cd_media = 1;
 208         return 0;
 209 }
 210
 211 static int cd_inquiry(struct udev *udev, int fd) {
 212         struct scsi_cmd sc;
 213         unsigned char inq[128];
 214         int err;
 215
 216         scsi_cmd_set(udev, &sc, 0, 0x12);
 217         scsi_cmd_set(udev, &sc, 4, 36);
 218         scsi_cmd_set(udev, &sc, 5, 0);
 219         err = scsi_cmd_run(udev, &sc, fd, inq, 36);
 220         if ((err < 0)) {
 221                 info_scsi_cmd_err(udev, "INQUIRY", err);
 222                 return -1;
 223         }
 224
 225         if ((inq[0] & 0x1F) != 5) {
 226                 info(udev, "not an MMC unit\n");
 227                 return -1;
 228         }
 229
 230         info(udev, "INQUIRY: [%.8s][%.16s][%.4s]\n", inq + 8, inq + 16, inq + 32);
 231         return 0;
 232 }
 233
 234 static int cd_profiles(struct udev *udev, int fd)
 235 {
 236         struct scsi_cmd sc;
 237         unsigned char header[8];
 238         unsigned char profiles[512];
 239         unsigned int cur_profile;
 240         unsigned int len;
 241         unsigned int i;
 242         int err;
 243
 244         scsi_cmd_set(udev, &sc, 0, 0x46);
 245         scsi_cmd_set(udev, &sc, 1, 0);
 246         scsi_cmd_set(udev, &sc, 8, sizeof(header));
 247         scsi_cmd_set(udev, &sc, 9, 0);
 248         err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
 249         if ((err < 0)) {
 250                 info_scsi_cmd_err(udev, "GET CONFIGURATION", err);
 251                 return -1;
 252         }
 253
 254         len = 4 + (header[0] << 24 | header[1] << 16 | header[2] << 8 | header[3]);
 255         info(udev, "GET CONFIGURATION: number of profiles %i\n", len);
 256         if (len > sizeof(profiles)) {
 257                 info(udev, "invalid number of profiles\n");
 258                 return -1;
 259         }
 260
 261         scsi_cmd_set(udev, &sc, 0, 0x46);
 262         scsi_cmd_set(udev, &sc, 1, 1);
 263         scsi_cmd_set(udev, &sc, 6, len >> 16);
 264         scsi_cmd_set(udev, &sc, 7, len >> 8);
 265         scsi_cmd_set(udev, &sc, 8, len);
 266         scsi_cmd_set(udev, &sc, 9, 0);
 267         err = scsi_cmd_run(udev, &sc, fd, profiles, len);
 268         if ((err < 0)) {
 269                 info_scsi_cmd_err(udev, "GET CONFIGURATION", err);
 270                 return -1;
 271         }
 272
 273         /* device profiles */
 274         for (i = 12; i < profiles[11]; i += 4) {
 275                 unsigned int profile = (profiles[i] << 8 | profiles[i + 1]);
 276                 if (profile == 0)
 277                         continue;
 278                 info(udev, "profile 0x%02x\n", profile);
 279
 280                 switch (profile) {
 281                 case 0x03:
 282                 case 0x04:
 283                 case 0x05:
 284                         cd_mo = 1;
 285                 break;
 286                 case 0x10:
 287                         cd_dvd_rom = 1;
 288                         break;
 289                 case 0x12:
 290                         cd_dvd_ram = 1;
 291                         break;
 292                 case 0x13:
 293                 case 0x14:
 294                         cd_dvd_rw = 1;
 295                         break;
 296                 case 0x1B:
 297                         cd_dvd_plus_r = 1;
 298                         break;
 299                 case 0x1A:
 300                         cd_dvd_plus_rw = 1;
 301                         break;
 302                 case 0x2A:
 303                         cd_dvd_plus_rw_dl = 1;
 304                         break;
 305                 case 0x2B:
 306                         cd_dvd_plus_r_dl = 1;
 307                         break;
 308                 case 0x40:
 309                         cd_bd = 1;
 310                         break;
 311                 case 0x41:
 312                 case 0x42:
 313                         cd_bd_r = 1;
 314                         break;
 315                 case 0x43:
 316                         cd_bd_re = 1;
 317                         break;
 318                 case 0x50:
 319                         cd_hddvd = 1;
 320                         break;
 321                 case 0x51:
 322                         cd_hddvd_r = 1;
 323                         break;
 324                 case 0x52:
 325                         cd_hddvd_rw = 1;
 326                         break;
 327                 default:
 328                         break;
 329                 }
 330         }
 331
 332         /* current media profile */
 333         cur_profile = header[6] << 8 | header[7];
 334         info(udev, "current profile 0x%02x\n", cur_profile);
 335         if (cur_profile == 0) {
 336                 info(udev, "no current profile, assuming no media\n");
 337                 return -1;
 338         }
 339
 340         cd_media = 1;
 341
 342         switch (cur_profile) {
 343         case 0x03:
 344         case 0x04:
 345         case 0x05:
 346                 cd_media_mo = 1;
 347                 break;
 348         case 0x08:
 349                 cd_media_cd_rom = 1;
 350                 break;
 351         case 0x09:
 352                 cd_media_cd_r = 1;
 353                 break;
 354         case 0x0a:
 355                 cd_media_cd_rw = 1;
 356                 break;
 357         case 0x10:
 358                 cd_media_dvd_rom = 1;
 359                 break;
 360         case 0x11:
 361                 cd_media_dvd_r = 1;
 362                 break;
 363         case 0x12:
 364                 cd_media_dvd_ram = 1;
 365                 break;
 366         case 0x13:
 367         case 0x14:
 368                 cd_media_dvd_rw = 1;
 369                 break;
 370         case 0x1B:
 371                 cd_media_dvd_plus_r = 1;
 372                 break;
 373         case 0x1A:
 374                 cd_media_dvd_plus_rw = 1;
 375                 break;
 376         case 0x2A:
 377                 cd_media_dvd_plus_rw_dl = 1;
 378                 break;
 379         case 0x2B:
 380                 cd_media_dvd_plus_r_dl = 1;
 381                 break;
 382         case 0x40:
 383                 cd_media_bd = 1;
 384                 break;
 385         case 0x41:
 386         case 0x42:
 387                 cd_media_bd_r = 1;
 388                 break;
 389         case 0x43:
 390                 cd_media_bd_re = 1;
 391                 break;
 392         case 0x50:
 393                 cd_media_hddvd = 1;
 394                 break;
 395         case 0x51:
 396                 cd_media_hddvd_r = 1;
 397                 break;
 398         case 0x52:
 399                 cd_media_hddvd_rw = 1;
 400                 break;
 401         default:
 402                 break;
 403         }
 404         return 0;
 405 }
 406
 407 static int cd_media_info(struct udev *udev, int fd)
 408 {
 409         struct scsi_cmd sc;
 410         unsigned char header[32];
 411         static const char *media_status[] = {
 412                 "blank",
 413                 "appendable",
 414                 "complete",
 415                 "other"
 416         };
 417         int err;
 418
 419         scsi_cmd_set(udev, &sc, 0, 0x51);
 420         scsi_cmd_set(udev, &sc, 8, sizeof(header));
 421         scsi_cmd_set(udev, &sc, 9, 0);
 422         err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
 423         if ((err < 0)) {
 424                 info_scsi_cmd_err(udev, "READ DISC INFORMATION", err);
 425                 return -1;
 426         };
 427
 428         info(udev, "disk type %02x\n", header[8]);
 429
 430         /* exclude plain CDROM, some fake cdroms return 0 for "blank" media here */
 431         if (!cd_media_cd_rom && (header[2] & 3) < 4)
 432                 cd_media_state = media_status[header[2] & 3];
 433
 434         if ((header[2] & 3) != 2)
 435                 cd_media_session_next = header[10] << 8 | header[5];
 436         cd_media_session_count = header[9] << 8 | header[4];
 437         cd_media_track_count = header[11] << 8 | header[6];
 438
 439         return 0;
 440 }
 441
 442 static int cd_media_toc(struct udev *udev, int fd)
 443 {
 444         struct scsi_cmd sc;
 445         unsigned char header[12];
 446         unsigned char toc[2048];
 447         unsigned int len, i;
 448         unsigned char *p;
 449         int err;
 450
 451         scsi_cmd_set(udev, &sc, 0, 0x43);
 452         scsi_cmd_set(udev, &sc, 6, 1);
 453         scsi_cmd_set(udev, &sc, 8, sizeof(header));
 454         scsi_cmd_set(udev, &sc, 9, 0);
 455         err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
 456         if ((err < 0)) {
 457                 info_scsi_cmd_err(udev, "READ TOC", err);
 458                 return -1;
 459         }
 460
 461         len = (header[0] << 8 | header[1]) + 2;
 462         info(udev, "READ TOC: len: %d\n", len);
 463         if (len > sizeof(toc))
 464                 return -1;
 465         if (len < 2)
 466                 return -1;
 467
 468         /* empty media has no tracks */
 469         if (len < 8)
 470                 return 0;
 471
 472         scsi_cmd_set(udev, &sc, 0, 0x43);
 473         scsi_cmd_set(udev, &sc, 6, header[2]); /* First Track/Session Number */
 474         scsi_cmd_set(udev, &sc, 7, len >> 8);
 475         scsi_cmd_set(udev, &sc, 8, len);
 476         scsi_cmd_set(udev, &sc, 9, 0);
 477         err = scsi_cmd_run(udev, &sc, fd, toc, len);
 478         if ((err < 0)) {
 479                 info_scsi_cmd_err(udev, "READ TOC (tracks)", err);
 480                 return -1;
 481         }
 482
 483         for (p = toc+4, i = 4; i < len-8; i += 8, p += 8) {
 484                 unsigned int block;
 485                 unsigned int is_data_track;
 486
 487                 is_data_track = (p[1] & 0x04) != 0;
 488
 489                 block = p[4] << 24 | p[5] << 16 | p[6] << 8 | p[7];
 490                 info(udev, "track=%u info=0x%x(%s) start_block=%u\n",
 491                      p[2], p[1] & 0x0f, is_data_track ? "data":"audio", block);
 492
 493                 if (is_data_track)
 494                         cd_media_track_count_data++;
 495                 else
 496                         cd_media_track_count_audio++;
 497         }
 498
 499         scsi_cmd_set(udev, &sc, 0, 0x43);
 500         scsi_cmd_set(udev, &sc, 2, 1); /* Session Info */
 501         scsi_cmd_set(udev, &sc, 8, 12);
 502         scsi_cmd_set(udev, &sc, 9, 0);
 503         err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
 504         if ((err < 0)) {
 505                 info_scsi_cmd_err(udev, "READ TOC (multi session)", err);
 506                 return -1;
 507         }
 508         len = header[4+4] << 24 | header[4+5] << 16 | header[4+6] << 8 | header[4+7];
 509         info(udev, "last track %u starts at block %u\n", header[4+2], len);
 510         cd_media_session_last_offset = (unsigned long long int)len * 2048;
 511         return 0;
 512 }
 513
 514 int main(int argc, char *argv[])
 515 {
 516         struct udev *udev;
 517         static const struct option options[] = {
 518                 { "export", no_argument, NULL, 'x' },
 519                 { "debug", no_argument, NULL, 'd' },
 520                 { "help", no_argument, NULL, 'h' },
 521                 {}
 522         };
 523         const char *node = NULL;
 524         int export = 0;
 525         int fd = -1;
 526         int rc = 0;
 527
 528         udev = udev_new();
 529         if (udev == NULL)
 530                 goto exit;
 531
 532         udev_log_init("cdrom_id");
 533         udev_set_log_fn(udev, log_fn);
 534
 535         while (1) {
 536                 int option;
 537
 538                 option = getopt_long(argc, argv, "dxh", options, NULL);
 539                 if (option == -1)
 540                         break;
 541
 542                 switch (option) {
 543                 case 'd':
 544                         debug = 1;
 545                         if (udev_get_log_priority(udev) < LOG_INFO)
 546                                 udev_set_log_priority(udev, LOG_INFO);
 547                         break;
 548                 case 'x':
 549                         export = 1;
 550                         break;
 551                 case 'h':
 552                         printf("Usage: cdrom_id [options] <device>\n"
 553                                "  --export        export key/value pairs\n"
 554                                "  --debug         debug to stderr\n"
 555                                "  --help          print this help text\n\n");
 556                         goto exit;
 557                 default:
 558                         rc = 1;
 559                         goto exit;
 560                 }
 561         }
 562
 563         node = argv[optind];
 564         if (!node) {
 565                 err(udev, "no device\n");
 566                 fprintf(stderr, "no device\n");
 567                 rc = 1;
 568                 goto exit;
 569         }
 570
 571         fd = open(node, O_RDONLY | O_NONBLOCK);
 572         if (fd < 0) {
 573                 info(udev, "unable to open '%s'\n", node);
 574                 fprintf(stderr, "unable to open '%s'\n", node);
 575                 rc = 1;
 576                 goto exit;
 577         }
 578         info(udev, "probing: '%s'\n", node);
 579
 580         /* same data as original cdrom_id */
 581         if (cd_capability_compat(udev, fd) < 0) {
 582                 rc = 1;
 583                 goto exit;
 584         }
 585
 586         /* check for media - don't bail if there's no media as we still need to
 587          * to read profiles */
 588         cd_media_compat(udev, fd);
 589
 590         /* check if drive talks MMC */
 591         if (cd_inquiry(udev, fd) < 0)
 592                 goto print;
 593
 594         /* read drive and possibly current profile */
 595         if (cd_profiles(udev, fd) < 0)
 596                 goto print;
 597
 598         /* get session/track info */
 599         if (cd_media_toc(udev, fd) < 0)
 600                 goto print;
 601
 602         /* get writable media state */
 603         if (cd_media_info(udev, fd) < 0)
 604                 goto print;
 605
 606 print:
 607         printf("ID_CDROM=1\n");
 608         if (cd_cd_rom)
 609                 printf("ID_CDROM_CD=1\n");
 610         if (cd_cd_r)
 611                 printf("ID_CDROM_CD_R=1\n");
 612         if (cd_cd_rw)
 613                 printf("ID_CDROM_CD_RW=1\n");
 614         if (cd_dvd_rom)
 615                 printf("ID_CDROM_DVD=1\n");
 616         if (cd_dvd_r)
 617                 printf("ID_CDROM_DVD_R=1\n");
 618         if (cd_dvd_rw)
 619                 printf("ID_CDROM_DVD_RW=1\n");
 620         if (cd_dvd_ram)
 621                 printf("ID_CDROM_DVD_RAM=1\n");
 622         if (cd_dvd_plus_r)
 623                 printf("ID_CDROM_DVD_PLUS_R=1\n");
 624         if (cd_dvd_plus_rw)
 625                 printf("ID_CDROM_DVD_PLUS_RW=1\n");
 626         if (cd_dvd_plus_r_dl)
 627                 printf("ID_CDROM_DVD_PLUS_R_DL=1\n");
 628         if (cd_dvd_plus_rw_dl)
 629                 printf("ID_CDROM_DVD_PLUS_RW_DL=1\n");
 630         if (cd_bd)
 631                 printf("ID_CDROM_BD=1\n");
 632         if (cd_bd_r)
 633                 printf("ID_CDROM_BD_R=1\n");
 634         if (cd_bd_re)
 635                 printf("ID_CDROM_BD_RE=1\n");
 636         if (cd_hddvd)
 637                 printf("ID_CDROM_HDDVD=1\n");
 638         if (cd_hddvd_r)
 639                 printf("ID_CDROM_HDDVD_R=1\n");
 640         if (cd_hddvd_rw)
 641                 printf("ID_CDROM_HDDVD_RW=1\n");
 642         if (cd_mo)
 643                 printf("ID_CDROM_MO=1\n");
 644         if (cd_mrw)
 645                 printf("ID_CDROM_MRW=1\n");
 646         if (cd_mrw_w)
 647                 printf("ID_CDROM_MRW_W=1\n");
 648
 649         if (cd_media)
 650                 printf("ID_CDROM_MEDIA=1\n");
 651         if (cd_media_mo)
 652                 printf("ID_CDROM_MEDIA_MO=1\n");
 653         if (cd_media_mrw)
 654                 printf("ID_CDROM_MEDIA_MRW=1\n");
 655         if (cd_media_mrw_w)
 656                 printf("ID_CDROM_MEDIA_MRW_W=1\n");
 657         if (cd_media_cd_rom)
 658                 printf("ID_CDROM_MEDIA_CD=1\n");
 659         if (cd_media_cd_r)
 660                 printf("ID_CDROM_MEDIA_CD_R=1\n");
 661         if (cd_media_cd_rw)
 662                 printf("ID_CDROM_MEDIA_CD_RW=1\n");
 663         if (cd_media_dvd_rom)
 664                 printf("ID_CDROM_MEDIA_DVD=1\n");
 665         if (cd_media_dvd_r)
 666                 printf("ID_CDROM_MEDIA_DVD_R=1\n");
 667         if (cd_media_dvd_ram)
 668                 printf("ID_CDROM_MEDIA_DVD_RAM=1\n");
 669         if (cd_media_dvd_rw)
 670                 printf("ID_CDROM_MEDIA_DVD_RW=1\n");
 671         if (cd_media_dvd_plus_r)
 672                 printf("ID_CDROM_MEDIA_DVD_PLUS_R=1\n");
 673         if (cd_media_dvd_plus_rw)
 674                 printf("ID_CDROM_MEDIA_DVD_PLUS_RW=1\n");
 675         if (cd_media_dvd_plus_rw_dl)
 676                 printf("ID_CDROM_MEDIA_DVD_PLUS_RW_DL=1\n");
 677         if (cd_media_dvd_plus_r_dl)
 678                 printf("ID_CDROM_MEDIA_DVD_PLUS_R_DL=1\n");
 679         if (cd_media_bd)
 680                 printf("ID_CDROM_MEDIA_BD=1\n");
 681         if (cd_media_bd_r)
 682                 printf("ID_CDROM_MEDIA_BD_R=1\n");
 683         if (cd_media_bd_re)
 684                 printf("ID_CDROM_MEDIA_BD_RE=1\n");
 685         if (cd_media_hddvd)
 686                 printf("ID_CDROM_MEDIA_HDDVD=1\n");
 687         if (cd_media_hddvd_r)
 688                 printf("ID_CDROM_MEDIA_HDDVD_R=1\n");
 689         if (cd_media_hddvd_rw)
 690                 printf("ID_CDROM_MEDIA_HDDVD_RW=1\n");
 691
 692         if (cd_media_state != NULL)
 693                 printf("ID_CDROM_MEDIA_STATE=%s\n", cd_media_state);
 694         if (cd_media_session_next > 0)
 695                 printf("ID_CDROM_MEDIA_SESSION_NEXT=%d\n", cd_media_session_next);
 696         if (cd_media_session_count > 0)
 697                 printf("ID_CDROM_MEDIA_SESSION_COUNT=%d\n", cd_media_session_count);
 698         if (cd_media_track_count > 0)
 699                 printf("ID_CDROM_MEDIA_TRACK_COUNT=%d\n", cd_media_track_count);
 700         if (cd_media_track_count_audio > 0)
 701                 printf("ID_CDROM_MEDIA_TRACK_COUNT_AUDIO=%d\n", cd_media_track_count_audio);
 702         if (cd_media_track_count_data > 0)
 703                 printf("ID_CDROM_MEDIA_TRACK_COUNT_DATA=%d\n", cd_media_track_count_data);
 704         if (cd_media_session_last_offset > 0)
 705                 printf("ID_CDROM_MEDIA_SESSION_LAST_OFFSET=%llu\n", cd_media_session_last_offset);
 706 exit:
 707         if (fd >= 0)
 708                 close(fd);
 709         udev_unref(udev);
 710         udev_log_close();
 711         return rc;
 712 }
 713