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