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