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