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 int is_mounted(const char *device)
 116 {
 117         struct stat statbuf;
 118         FILE *fp;
 119         int maj, min;
 120         int mounted = 0;
 121
 122         if (stat(device, &statbuf) < 0)
 123                 return -ENODEV;
 124
 125         fp = fopen("/proc/self/mountinfo", "r");
 126         if (fp == NULL)
 127                 return -ENOSYS;
 128         while (fscanf(fp, "%*s %*s %i:%i %*[^\n]", &maj, &min) == 2) {
 129                 printf("got %u %u\n", maj, min);
 130                 if (makedev(maj, min) == statbuf.st_rdev) {
 131                         mounted = 1;
 132                         break;
 133                 }
 134         }
 135         fclose(fp);
 136         return mounted;
 137 }
 138
 139 static void info_scsi_cmd_err(struct udev *udev, char *cmd, int err)
 140 {
 141         if (err == -1) {
 142                 info(udev, "%s failed\n", cmd);
 143                 return;
 144         }
 145         info(udev, "%s failed with SK=%Xh/ASC=%02Xh/ACQ=%02Xh\n", cmd, SK(err), ASC(err), ASCQ(err));
 146 }
 147
 148 struct scsi_cmd {
 149         struct cdrom_generic_command cgc;
 150         union {
 151                 struct request_sense s;
 152                 unsigned char u[18];
 153         } _sense;
 154         struct sg_io_hdr sg_io;
 155 };
 156
 157 static void scsi_cmd_set(struct udev *udev, struct scsi_cmd *cmd, size_t i, int arg)
 158 {
 159         if (i == 0) {
 160                 memset(cmd, 0x00, sizeof(struct scsi_cmd));
 161                 cmd->cgc.quiet = 1;
 162                 cmd->cgc.sense = &cmd->_sense.s;
 163                 memset(&cmd->sg_io, 0, sizeof(cmd->sg_io));
 164                 cmd->sg_io.interface_id = 'S';
 165                 cmd->sg_io.mx_sb_len = sizeof(cmd->_sense);
 166                 cmd->sg_io.cmdp = cmd->cgc.cmd;
 167                 cmd->sg_io.sbp = cmd->_sense.u;
 168                 cmd->sg_io.flags = SG_FLAG_LUN_INHIBIT | SG_FLAG_DIRECT_IO;
 169         }
 170         cmd->sg_io.cmd_len = i + 1;
 171         cmd->cgc.cmd[i] = arg;
 172 }
 173
 174 #define CHECK_CONDITION 0x01
 175
 176 static int scsi_cmd_run(struct udev *udev, struct scsi_cmd *cmd, int fd, unsigned char *buf, size_t bufsize)
 177 {
 178         int ret = 0;
 179
 180         cmd->sg_io.dxferp = buf;
 181         cmd->sg_io.dxfer_len = bufsize;
 182         cmd->sg_io.dxfer_direction = SG_DXFER_FROM_DEV;
 183         if (ioctl(fd, SG_IO, &cmd->sg_io))
 184                 return -1;
 185
 186         if ((cmd->sg_io.info & SG_INFO_OK_MASK) != SG_INFO_OK) {
 187                 errno = EIO;
 188                 ret = -1;
 189                 if (cmd->sg_io.masked_status & CHECK_CONDITION) {
 190                         ret = ERRCODE(cmd->_sense.u);
 191                         if (ret == 0)
 192                                 ret = -1;
 193                 }
 194         }
 195         return ret;
 196 }
 197
 198 static int cd_capability_compat(struct udev *udev, int fd)
 199 {
 200         int capability;
 201
 202         capability = ioctl(fd, CDROM_GET_CAPABILITY, NULL);
 203         if (capability < 0) {
 204                 info(udev, "CDROM_GET_CAPABILITY failed\n");
 205                 return -1;
 206         }
 207
 208         if (capability & CDC_CD_R)
 209                 cd_cd_r = 1;
 210         if (capability & CDC_CD_RW)
 211                 cd_cd_rw = 1;
 212         if (capability & CDC_DVD)
 213                 cd_dvd_rom = 1;
 214         if (capability & CDC_DVD_R)
 215                 cd_dvd_r = 1;
 216         if (capability & CDC_DVD_RAM)
 217                 cd_dvd_ram = 1;
 218         if (capability & CDC_MRW)
 219                 cd_mrw = 1;
 220         if (capability & CDC_MRW_W)
 221                 cd_mrw_w = 1;
 222         return 0;
 223 }
 224
 225 static int cd_media_compat(struct udev *udev, int fd)
 226 {
 227         if (ioctl(fd, CDROM_DRIVE_STATUS, CDSL_CURRENT) != CDS_DISC_OK) {
 228                 info(udev, "CDROM_DRIVE_STATUS != CDS_DISC_OK\n");
 229                 return -1;
 230         }
 231         cd_media = 1;
 232         return 0;
 233 }
 234
 235 static int cd_inquiry(struct udev *udev, int fd) {
 236         struct scsi_cmd sc;
 237         unsigned char inq[128];
 238         int err;
 239
 240         scsi_cmd_set(udev, &sc, 0, 0x12);
 241         scsi_cmd_set(udev, &sc, 4, 36);
 242         scsi_cmd_set(udev, &sc, 5, 0);
 243         err = scsi_cmd_run(udev, &sc, fd, inq, 36);
 244         if ((err < 0)) {
 245                 info_scsi_cmd_err(udev, "INQUIRY", err);
 246                 return -1;
 247         }
 248
 249         if ((inq[0] & 0x1F) != 5) {
 250                 info(udev, "not an MMC unit\n");
 251                 return -1;
 252         }
 253
 254         info(udev, "INQUIRY: [%.8s][%.16s][%.4s]\n", inq + 8, inq + 16, inq + 32);
 255         return 0;
 256 }
 257
 258 static int cd_profiles(struct udev *udev, int fd)
 259 {
 260         struct scsi_cmd sc;
 261         unsigned char header[8];
 262         unsigned char profiles[512];
 263         unsigned int cur_profile;
 264         unsigned int len;
 265         unsigned int i;
 266         int err;
 267
 268         scsi_cmd_set(udev, &sc, 0, 0x46);
 269         scsi_cmd_set(udev, &sc, 1, 0);
 270         scsi_cmd_set(udev, &sc, 8, sizeof(header));
 271         scsi_cmd_set(udev, &sc, 9, 0);
 272         err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
 273         if ((err < 0)) {
 274                 info_scsi_cmd_err(udev, "GET CONFIGURATION", err);
 275                 return -1;
 276         }
 277
 278         len = 4 + (header[0] << 24 | header[1] << 16 | header[2] << 8 | header[3]);
 279         info(udev, "GET CONFIGURATION: number of profiles %i\n", len);
 280         if (len > sizeof(profiles)) {
 281                 info(udev, "invalid number of profiles\n");
 282                 return -1;
 283         }
 284
 285         scsi_cmd_set(udev, &sc, 0, 0x46);
 286         scsi_cmd_set(udev, &sc, 1, 1);
 287         scsi_cmd_set(udev, &sc, 6, len >> 16);
 288         scsi_cmd_set(udev, &sc, 7, len >> 8);
 289         scsi_cmd_set(udev, &sc, 8, len);
 290         scsi_cmd_set(udev, &sc, 9, 0);
 291         err = scsi_cmd_run(udev, &sc, fd, profiles, len);
 292         if ((err < 0)) {
 293                 info_scsi_cmd_err(udev, "GET CONFIGURATION", err);
 294                 return -1;
 295         }
 296
 297         /* device profiles */
 298         for (i = 12; i < profiles[11]; i += 4) {
 299                 unsigned int profile = (profiles[i] << 8 | profiles[i + 1]);
 300                 if (profile == 0)
 301                         continue;
 302                 info(udev, "profile 0x%02x\n", profile);
 303
 304                 switch (profile) {
 305                 case 0x03:
 306                 case 0x04:
 307                 case 0x05:
 308                         cd_mo = 1;
 309                 break;
 310                 case 0x10:
 311                         cd_dvd_rom = 1;
 312                         break;
 313                 case 0x12:
 314                         cd_dvd_ram = 1;
 315                         break;
 316                 case 0x13:
 317                 case 0x14:
 318                         cd_dvd_rw = 1;
 319                         break;
 320                 case 0x1B:
 321                         cd_dvd_plus_r = 1;
 322                         break;
 323                 case 0x1A:
 324                         cd_dvd_plus_rw = 1;
 325                         break;
 326                 case 0x2A:
 327                         cd_dvd_plus_rw_dl = 1;
 328                         break;
 329                 case 0x2B:
 330                         cd_dvd_plus_r_dl = 1;
 331                         break;
 332                 case 0x40:
 333                         cd_bd = 1;
 334                         break;
 335                 case 0x41:
 336                 case 0x42:
 337                         cd_bd_r = 1;
 338                         break;
 339                 case 0x43:
 340                         cd_bd_re = 1;
 341                         break;
 342                 case 0x50:
 343                         cd_hddvd = 1;
 344                         break;
 345                 case 0x51:
 346                         cd_hddvd_r = 1;
 347                         break;
 348                 case 0x52:
 349                         cd_hddvd_rw = 1;
 350                         break;
 351                 default:
 352                         break;
 353                 }
 354         }
 355
 356         /* current media profile */
 357         cur_profile = header[6] << 8 | header[7];
 358         info(udev, "current profile 0x%02x\n", cur_profile);
 359         if (cur_profile == 0) {
 360                 info(udev, "no current profile, assuming no media\n");
 361                 return -1;
 362         }
 363
 364         cd_media = 1;
 365
 366         switch (cur_profile) {
 367         case 0x03:
 368         case 0x04:
 369         case 0x05:
 370                 cd_media_mo = 1;
 371                 break;
 372         case 0x08:
 373                 cd_media_cd_rom = 1;
 374                 break;
 375         case 0x09:
 376                 cd_media_cd_r = 1;
 377                 break;
 378         case 0x0a:
 379                 cd_media_cd_rw = 1;
 380                 break;
 381         case 0x10:
 382                 cd_media_dvd_rom = 1;
 383                 break;
 384         case 0x11:
 385                 cd_media_dvd_r = 1;
 386                 break;
 387         case 0x12:
 388                 cd_media_dvd_ram = 1;
 389                 break;
 390         case 0x13:
 391         case 0x14:
 392                 cd_media_dvd_rw = 1;
 393                 break;
 394         case 0x1B:
 395                 cd_media_dvd_plus_r = 1;
 396                 break;
 397         case 0x1A:
 398                 cd_media_dvd_plus_rw = 1;
 399                 break;
 400         case 0x2A:
 401                 cd_media_dvd_plus_rw_dl = 1;
 402                 break;
 403         case 0x2B:
 404                 cd_media_dvd_plus_r_dl = 1;
 405                 break;
 406         case 0x40:
 407                 cd_media_bd = 1;
 408                 break;
 409         case 0x41:
 410         case 0x42:
 411                 cd_media_bd_r = 1;
 412                 break;
 413         case 0x43:
 414                 cd_media_bd_re = 1;
 415                 break;
 416         case 0x50:
 417                 cd_media_hddvd = 1;
 418                 break;
 419         case 0x51:
 420                 cd_media_hddvd_r = 1;
 421                 break;
 422         case 0x52:
 423                 cd_media_hddvd_rw = 1;
 424                 break;
 425         default:
 426                 break;
 427         }
 428         return 0;
 429 }
 430
 431 static int cd_media_info(struct udev *udev, int fd)
 432 {
 433         struct scsi_cmd sc;
 434         unsigned char header[32];
 435         static const char *media_status[] = {
 436                 "blank",
 437                 "appendable",
 438                 "complete",
 439                 "other"
 440         };
 441         int err;
 442
 443         scsi_cmd_set(udev, &sc, 0, 0x51);
 444         scsi_cmd_set(udev, &sc, 8, sizeof(header));
 445         scsi_cmd_set(udev, &sc, 9, 0);
 446         err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
 447         if ((err < 0)) {
 448                 info_scsi_cmd_err(udev, "READ DISC INFORMATION", err);
 449                 return -1;
 450         };
 451
 452         info(udev, "disk type %02x\n", header[8]);
 453
 454         /* exclude plain CDROM, some fake cdroms return 0 for "blank" media here */
 455         if (!cd_media_cd_rom && (header[2] & 3) < 4)
 456                 cd_media_state = media_status[header[2] & 3];
 457
 458         if ((header[2] & 3) != 2)
 459                 cd_media_session_next = header[10] << 8 | header[5];
 460         cd_media_session_count = header[9] << 8 | header[4];
 461         cd_media_track_count = header[11] << 8 | header[6];
 462
 463         return 0;
 464 }
 465
 466 static int cd_media_toc(struct udev *udev, int fd)
 467 {
 468         struct scsi_cmd sc;
 469         unsigned char header[12];
 470         unsigned char toc[2048];
 471         unsigned int len, i;
 472         unsigned char *p;
 473         int err;
 474
 475         scsi_cmd_set(udev, &sc, 0, 0x43);
 476         scsi_cmd_set(udev, &sc, 6, 1);
 477         scsi_cmd_set(udev, &sc, 8, sizeof(header));
 478         scsi_cmd_set(udev, &sc, 9, 0);
 479         err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
 480         if ((err < 0)) {
 481                 info_scsi_cmd_err(udev, "READ TOC", err);
 482                 return -1;
 483         }
 484
 485         len = (header[0] << 8 | header[1]) + 2;
 486         info(udev, "READ TOC: len: %d\n", len);
 487         if (len > sizeof(toc))
 488                 return -1;
 489         if (len < 2)
 490                 return -1;
 491
 492         /* empty media has no tracks */
 493         if (len < 8)
 494                 return 0;
 495
 496         scsi_cmd_set(udev, &sc, 0, 0x43);
 497         scsi_cmd_set(udev, &sc, 6, header[2]); /* First Track/Session Number */
 498         scsi_cmd_set(udev, &sc, 7, len >> 8);
 499         scsi_cmd_set(udev, &sc, 8, len);
 500         scsi_cmd_set(udev, &sc, 9, 0);
 501         err = scsi_cmd_run(udev, &sc, fd, toc, len);
 502         if ((err < 0)) {
 503                 info_scsi_cmd_err(udev, "READ TOC (tracks)", err);
 504                 return -1;
 505         }
 506
 507         for (p = toc+4, i = 4; i < len-8; i += 8, p += 8) {
 508                 unsigned int block;
 509                 unsigned int is_data_track;
 510
 511                 is_data_track = (p[1] & 0x04) != 0;
 512
 513                 block = p[4] << 24 | p[5] << 16 | p[6] << 8 | p[7];
 514                 info(udev, "track=%u info=0x%x(%s) start_block=%u\n",
 515                      p[2], p[1] & 0x0f, is_data_track ? "data":"audio", block);
 516
 517                 if (is_data_track)
 518                         cd_media_track_count_data++;
 519                 else
 520                         cd_media_track_count_audio++;
 521         }
 522
 523         scsi_cmd_set(udev, &sc, 0, 0x43);
 524         scsi_cmd_set(udev, &sc, 2, 1); /* Session Info */
 525         scsi_cmd_set(udev, &sc, 8, 12);
 526         scsi_cmd_set(udev, &sc, 9, 0);
 527         err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
 528         if ((err < 0)) {
 529                 info_scsi_cmd_err(udev, "READ TOC (multi session)", err);
 530                 return -1;
 531         }
 532         len = header[4+4] << 24 | header[4+5] << 16 | header[4+6] << 8 | header[4+7];
 533         info(udev, "last track %u starts at block %u\n", header[4+2], len);
 534         cd_media_session_last_offset = (unsigned long long int)len * 2048;
 535         return 0;
 536 }
 537
 538 int main(int argc, char *argv[])
 539 {
 540         struct udev *udev;
 541         static const struct option options[] = {
 542                 { "export", no_argument, NULL, 'x' },
 543                 { "debug", no_argument, NULL, 'd' },
 544                 { "help", no_argument, NULL, 'h' },
 545                 {}
 546         };
 547         const char *node = NULL;
 548         int export = 0;
 549         int fd = -1;
 550         int rc = 0;
 551
 552         udev = udev_new();
 553         if (udev == NULL)
 554                 goto exit;
 555
 556         udev_log_init("cdrom_id");
 557         udev_set_log_fn(udev, log_fn);
 558
 559         while (1) {
 560                 int option;
 561
 562                 option = getopt_long(argc, argv, "dxh", options, NULL);
 563                 if (option == -1)
 564                         break;
 565
 566                 switch (option) {
 567                 case 'd':
 568                         debug = 1;
 569                         if (udev_get_log_priority(udev) < LOG_INFO)
 570                                 udev_set_log_priority(udev, LOG_INFO);
 571                         break;
 572                 case 'x':
 573                         export = 1;
 574                         break;
 575                 case 'h':
 576                         printf("Usage: cdrom_id [options] <device>\n"
 577                                "  --export        export key/value pairs\n"
 578                                "  --debug         debug to stderr\n"
 579                                "  --help          print this help text\n\n");
 580                         goto exit;
 581                 default:
 582                         rc = 1;
 583                         goto exit;
 584                 }
 585         }
 586
 587         node = argv[optind];
 588         if (!node) {
 589                 err(udev, "no device\n");
 590                 fprintf(stderr, "no device\n");
 591                 rc = 1;
 592                 goto exit;
 593         }
 594
 595         fd = open(node, O_RDONLY|O_NONBLOCK|(is_mounted(node) ? 0 : O_EXCL));
 596         if (fd < 0) {
 597                 info(udev, "unable to open '%s'\n", node);
 598                 fprintf(stderr, "unable to open '%s'\n", node);
 599                 rc = 1;
 600                 goto exit;
 601         }
 602         info(udev, "probing: '%s'\n", node);
 603
 604         /* same data as original cdrom_id */
 605         if (cd_capability_compat(udev, fd) < 0) {
 606                 rc = 1;
 607                 goto exit;
 608         }
 609
 610         /* check for media - don't bail if there's no media as we still need to
 611          * to read profiles */
 612         cd_media_compat(udev, fd);
 613
 614         /* check if drive talks MMC */
 615         if (cd_inquiry(udev, fd) < 0)
 616                 goto print;
 617
 618         /* read drive and possibly current profile */
 619         if (cd_profiles(udev, fd) < 0)
 620                 goto print;
 621
 622         /* get session/track info */
 623         if (cd_media_toc(udev, fd) < 0)
 624                 goto print;
 625
 626         /* get writable media state */
 627         if (cd_media_info(udev, fd) < 0)
 628                 goto print;
 629
 630 print:
 631         printf("ID_CDROM=1\n");
 632         if (cd_cd_rom)
 633                 printf("ID_CDROM_CD=1\n");
 634         if (cd_cd_r)
 635                 printf("ID_CDROM_CD_R=1\n");
 636         if (cd_cd_rw)
 637                 printf("ID_CDROM_CD_RW=1\n");
 638         if (cd_dvd_rom)
 639                 printf("ID_CDROM_DVD=1\n");
 640         if (cd_dvd_r)
 641                 printf("ID_CDROM_DVD_R=1\n");
 642         if (cd_dvd_rw)
 643                 printf("ID_CDROM_DVD_RW=1\n");
 644         if (cd_dvd_ram)
 645                 printf("ID_CDROM_DVD_RAM=1\n");
 646         if (cd_dvd_plus_r)
 647                 printf("ID_CDROM_DVD_PLUS_R=1\n");
 648         if (cd_dvd_plus_rw)
 649                 printf("ID_CDROM_DVD_PLUS_RW=1\n");
 650         if (cd_dvd_plus_r_dl)
 651                 printf("ID_CDROM_DVD_PLUS_R_DL=1\n");
 652         if (cd_dvd_plus_rw_dl)
 653                 printf("ID_CDROM_DVD_PLUS_RW_DL=1\n");
 654         if (cd_bd)
 655                 printf("ID_CDROM_BD=1\n");
 656         if (cd_bd_r)
 657                 printf("ID_CDROM_BD_R=1\n");
 658         if (cd_bd_re)
 659                 printf("ID_CDROM_BD_RE=1\n");
 660         if (cd_hddvd)
 661                 printf("ID_CDROM_HDDVD=1\n");
 662         if (cd_hddvd_r)
 663                 printf("ID_CDROM_HDDVD_R=1\n");
 664         if (cd_hddvd_rw)
 665                 printf("ID_CDROM_HDDVD_RW=1\n");
 666         if (cd_mo)
 667                 printf("ID_CDROM_MO=1\n");
 668         if (cd_mrw)
 669                 printf("ID_CDROM_MRW=1\n");
 670         if (cd_mrw_w)
 671                 printf("ID_CDROM_MRW_W=1\n");
 672
 673         if (cd_media)
 674                 printf("ID_CDROM_MEDIA=1\n");
 675         if (cd_media_mo)
 676                 printf("ID_CDROM_MEDIA_MO=1\n");
 677         if (cd_media_mrw)
 678                 printf("ID_CDROM_MEDIA_MRW=1\n");
 679         if (cd_media_mrw_w)
 680                 printf("ID_CDROM_MEDIA_MRW_W=1\n");
 681         if (cd_media_cd_rom)
 682                 printf("ID_CDROM_MEDIA_CD=1\n");
 683         if (cd_media_cd_r)
 684                 printf("ID_CDROM_MEDIA_CD_R=1\n");
 685         if (cd_media_cd_rw)
 686                 printf("ID_CDROM_MEDIA_CD_RW=1\n");
 687         if (cd_media_dvd_rom)
 688                 printf("ID_CDROM_MEDIA_DVD=1\n");
 689         if (cd_media_dvd_r)
 690                 printf("ID_CDROM_MEDIA_DVD_R=1\n");
 691         if (cd_media_dvd_ram)
 692                 printf("ID_CDROM_MEDIA_DVD_RAM=1\n");
 693         if (cd_media_dvd_rw)
 694                 printf("ID_CDROM_MEDIA_DVD_RW=1\n");
 695         if (cd_media_dvd_plus_r)
 696                 printf("ID_CDROM_MEDIA_DVD_PLUS_R=1\n");
 697         if (cd_media_dvd_plus_rw)
 698                 printf("ID_CDROM_MEDIA_DVD_PLUS_RW=1\n");
 699         if (cd_media_dvd_plus_rw_dl)
 700                 printf("ID_CDROM_MEDIA_DVD_PLUS_RW_DL=1\n");
 701         if (cd_media_dvd_plus_r_dl)
 702                 printf("ID_CDROM_MEDIA_DVD_PLUS_R_DL=1\n");
 703         if (cd_media_bd)
 704                 printf("ID_CDROM_MEDIA_BD=1\n");
 705         if (cd_media_bd_r)
 706                 printf("ID_CDROM_MEDIA_BD_R=1\n");
 707         if (cd_media_bd_re)
 708                 printf("ID_CDROM_MEDIA_BD_RE=1\n");
 709         if (cd_media_hddvd)
 710                 printf("ID_CDROM_MEDIA_HDDVD=1\n");
 711         if (cd_media_hddvd_r)
 712                 printf("ID_CDROM_MEDIA_HDDVD_R=1\n");
 713         if (cd_media_hddvd_rw)
 714                 printf("ID_CDROM_MEDIA_HDDVD_RW=1\n");
 715
 716         if (cd_media_state != NULL)
 717                 printf("ID_CDROM_MEDIA_STATE=%s\n", cd_media_state);
 718         if (cd_media_session_next > 0)
 719                 printf("ID_CDROM_MEDIA_SESSION_NEXT=%d\n", cd_media_session_next);
 720         if (cd_media_session_count > 0)
 721                 printf("ID_CDROM_MEDIA_SESSION_COUNT=%d\n", cd_media_session_count);
 722         if (cd_media_track_count > 0)
 723                 printf("ID_CDROM_MEDIA_TRACK_COUNT=%d\n", cd_media_track_count);
 724         if (cd_media_track_count_audio > 0)
 725                 printf("ID_CDROM_MEDIA_TRACK_COUNT_AUDIO=%d\n", cd_media_track_count_audio);
 726         if (cd_media_track_count_data > 0)
 727                 printf("ID_CDROM_MEDIA_TRACK_COUNT_DATA=%d\n", cd_media_track_count_data);
 728         if (cd_media_session_last_offset > 0)
 729                 printf("ID_CDROM_MEDIA_SESSION_LAST_OFFSET=%llu\n", cd_media_session_last_offset);
 730 exit:
 731         if (fd >= 0)
 732                 close(fd);
 733         udev_unref(udev);
 734         udev_log_close();
 735         return rc;
 736 }
 737