74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include <stdio.h>

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include <stddef.h>

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include <stdlib.h>

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include <unistd.h>

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include <string.h>

07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include <limits.h>

b5efdb8af40ea759a1ea584c1bc44ecc81dd00ceLennart Poettering#include <fcntl.h>

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering#include <errno.h>

6bedfcbb2970e06a4d3280c8fb62083d252ede73Lennart Poettering#include <getopt.h>

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include <time.h>

07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include <scsi/sg.h>

07630cea1f3a845c09309f197ac7c4f11edd3b62Lennart Poettering#include <sys/types.h>

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include <sys/stat.h>

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include <sys/time.h>

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include <sys/ioctl.h>

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include <linux/cdrom.h>

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "libudev.h"

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "libudev-private.h"

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "random-util.h"

d5099efc47d4e6ac60816b5381a5f607ab03f06eMichal Schmidt

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_cd_rom;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_cd_r;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_cd_rw;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_dvd_rom;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_dvd_r;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_dvd_rw;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_dvd_ram;

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poetteringstatic unsigned int cd_dvd_plus_r;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_dvd_plus_rw;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_dvd_plus_r_dl;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_dvd_plus_rw_dl;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_bd;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_bd_r;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_bd_re;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_hddvd;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_hddvd_r;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_hddvd_rw;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_mo;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_mrw;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_mrw_w;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_media;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_media_cd_rom;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_media_cd_r;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_media_cd_rw;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poetteringstatic unsigned int cd_media_dvd_rom;

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poetteringstatic unsigned int cd_media_dvd_r;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poetteringstatic unsigned int cd_media_dvd_rw;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_media_dvd_rw_ro; /* restricted overwrite mode */

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_media_dvd_rw_seq; /* sequential mode */

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_media_dvd_ram;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_media_dvd_plus_r;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_media_dvd_plus_rw;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_media_dvd_plus_r_dl;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_media_dvd_plus_rw_dl;

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poetteringstatic unsigned int cd_media_bd;

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poetteringstatic unsigned int cd_media_bd_r;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_media_bd_re;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_media_hddvd;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic unsigned int cd_media_hddvd_r;

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poetteringstatic unsigned int cd_media_hddvd_rw;

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poetteringstatic unsigned int cd_media_mo;

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poetteringstatic unsigned int cd_media_mrw;

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poetteringstatic unsigned int cd_media_mrw_w;

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poetteringstatic const char *cd_media_state = NULL;

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poetteringstatic unsigned int cd_media_session_next;

6073b6f26ab9fc6bf335faa7073ec443eef093fdTom Gundersenstatic unsigned int cd_media_session_count;

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poetteringstatic unsigned int cd_media_track_count;

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poetteringstatic unsigned int cd_media_track_count_data;

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poetteringstatic unsigned int cd_media_track_count_audio;

da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidtstatic unsigned long long int cd_media_session_last_offset;

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering#define ERRCODE(s) ((((s)[2] & 0x0F) << 16) | ((s)[12] << 8) | ((s)[13]))

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering#define SK(errcode) (((errcode) >> 16) & 0xF)

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering#define ASC(errcode) (((errcode) >> 8) & 0xFF)

90ab504273a7f186ebb76e6acfb778b4e0d7c91bLennart Poettering#define ASCQ(errcode) ((errcode) & 0xFF)

90ab504273a7f186ebb76e6acfb778b4e0d7c91bLennart Poettering

db97a66aa69925f7403ba3c433e86320d136567dLennart Poetteringstatic bool is_mounted(const char *device)

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering{

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering struct stat statbuf;

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering FILE *fp;

da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt int maj, min;

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering bool mounted = false;

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering if (stat(device, &statbuf) < 0)

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering return false;

90ab504273a7f186ebb76e6acfb778b4e0d7c91bLennart Poettering

90ab504273a7f186ebb76e6acfb778b4e0d7c91bLennart Poettering fp = fopen("/proc/self/mountinfo", "re");

90ab504273a7f186ebb76e6acfb778b4e0d7c91bLennart Poettering if (fp == NULL)

db97a66aa69925f7403ba3c433e86320d136567dLennart Poettering return false;

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering while (fscanf(fp, "%*s %*s %i:%i %*[^\n]", &maj, &min) == 2) {

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering if (makedev(maj, min) == statbuf.st_rdev) {

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering mounted = true;

da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt break;

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering }

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering }

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering fclose(fp);

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering return mounted;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poetteringstatic void info_scsi_cmd_err(struct udev *udev, const char *cmd, int err)

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering{

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering if (err == -1) {

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering log_debug("%s failed", cmd);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering return;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering }

1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersen log_debug("%s failed with SK=%Xh/ASC=%02Xh/ACQ=%02Xh", cmd, SK(err), ASC(err), ASCQ(err));

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering}

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstruct scsi_cmd {

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering struct cdrom_generic_command cgc;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering union {

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering struct request_sense s;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering unsigned char u[18];

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } _sense;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering struct sg_io_hdr sg_io;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering};

1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersen

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poetteringstatic void scsi_cmd_init(struct udev *udev, struct scsi_cmd *cmd)

1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersen{

cc7844e78751916acb639443c119763cafe2c684Lennart Poettering memzero(cmd, sizeof(struct scsi_cmd));

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering cmd->cgc.quiet = 1;

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering cmd->cgc.sense = &cmd->_sense.s;

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering cmd->sg_io.interface_id = 'S';

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering cmd->sg_io.mx_sb_len = sizeof(cmd->_sense);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering cmd->sg_io.cmdp = cmd->cgc.cmd;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering cmd->sg_io.sbp = cmd->_sense.u;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering cmd->sg_io.flags = SG_FLAG_LUN_INHIBIT | SG_FLAG_DIRECT_IO;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

6073b6f26ab9fc6bf335faa7073ec443eef093fdTom Gundersenstatic void scsi_cmd_set(struct udev *udev, struct scsi_cmd *cmd, size_t i, unsigned char arg)

6f4dedb250f2d607eceefaa491f338becbeee7c0Tom Gundersen{

6f4dedb250f2d607eceefaa491f338becbeee7c0Tom Gundersen cmd->sg_io.cmd_len = i + 1;

6f4dedb250f2d607eceefaa491f338becbeee7c0Tom Gundersen cmd->cgc.cmd[i] = arg;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#define CHECK_CONDITION 0x01

d6731e4c7964ee2860d4f5abdb0b52acd7a66960Tom Gundersen

6f4dedb250f2d607eceefaa491f338becbeee7c0Tom Gundersenstatic int scsi_cmd_run(struct udev *udev, struct scsi_cmd *cmd, int fd, unsigned char *buf, size_t bufsize)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering{

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering int ret = 0;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering

5cb36f41f01cf4b1f4395abfffd1b33116591e58Lennart Poettering if (bufsize > 0) {

6f4dedb250f2d607eceefaa491f338becbeee7c0Tom Gundersen cmd->sg_io.dxferp = buf;

6f4dedb250f2d607eceefaa491f338becbeee7c0Tom Gundersen cmd->sg_io.dxfer_len = bufsize;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering cmd->sg_io.dxfer_direction = SG_DXFER_FROM_DEV;

6f4dedb250f2d607eceefaa491f338becbeee7c0Tom Gundersen } else {

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering cmd->sg_io.dxfer_direction = SG_DXFER_NONE;

6f4dedb250f2d607eceefaa491f338becbeee7c0Tom Gundersen }

6f4dedb250f2d607eceefaa491f338becbeee7c0Tom Gundersen if (ioctl(fd, SG_IO, &cmd->sg_io))

6f4dedb250f2d607eceefaa491f338becbeee7c0Tom Gundersen return -1;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

6f4dedb250f2d607eceefaa491f338becbeee7c0Tom Gundersen if ((cmd->sg_io.info & SG_INFO_OK_MASK) != SG_INFO_OK) {

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering errno = EIO;

0b58db658b5c3f586ac3a837427f1f7fec2abb2eLennart Poettering ret = -1;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (cmd->sg_io.masked_status & CHECK_CONDITION) {

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering ret = ERRCODE(cmd->_sense.u);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (ret == 0)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering ret = -1;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return ret;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering}

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int media_lock(struct udev *udev, int fd, bool lock)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering{

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering int err;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* disable the kernel's lock logic */

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering err = ioctl(fd, CDROM_CLEAR_OPTIONS, CDO_LOCK);

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering if (err < 0)

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering log_debug("CDROM_CLEAR_OPTIONS, CDO_LOCK failed");

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering err = ioctl(fd, CDROM_LOCKDOOR, lock ? 1 : 0);

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering if (err < 0)

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering log_debug("CDROM_LOCKDOOR failed");

d6731e4c7964ee2860d4f5abdb0b52acd7a66960Tom Gundersen

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering return err;

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering}

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poetteringstatic int media_eject(struct udev *udev, int fd)

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering{

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering struct scsi_cmd sc;

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering int err;

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering scsi_cmd_init(udev, &sc);

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering scsi_cmd_set(udev, &sc, 0, 0x1b);

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering scsi_cmd_set(udev, &sc, 4, 0x02);

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering scsi_cmd_set(udev, &sc, 5, 0);

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering err = scsi_cmd_run(udev, &sc, fd, NULL, 0);

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering if ((err != 0)) {

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering info_scsi_cmd_err(udev, "START_STOP_UNIT", err);

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering return -1;

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering }

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering return 0;

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering}

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poetteringstatic int cd_capability_compat(struct udev *udev, int fd)

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering{

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering int capability;

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering capability = ioctl(fd, CDROM_GET_CAPABILITY, NULL);

bda2c408f8a739c19161818bcc842107f60652a2Tom Gundersen if (capability < 0) {

bda2c408f8a739c19161818bcc842107f60652a2Tom Gundersen log_debug("CDROM_GET_CAPABILITY failed");

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering return -1;

bda2c408f8a739c19161818bcc842107f60652a2Tom Gundersen }

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering

bda2c408f8a739c19161818bcc842107f60652a2Tom Gundersen if (capability & CDC_CD_R)

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering cd_cd_r = 1;

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering if (capability & CDC_CD_RW)

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering cd_cd_rw = 1;

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering if (capability & CDC_DVD)

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering cd_dvd_rom = 1;

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering if (capability & CDC_DVD_R)

bda2c408f8a739c19161818bcc842107f60652a2Tom Gundersen cd_dvd_r = 1;

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering if (capability & CDC_DVD_RAM)

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering cd_dvd_ram = 1;

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering if (capability & CDC_MRW)

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering cd_mrw = 1;

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering if (capability & CDC_MRW_W)

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering cd_mrw_w = 1;

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering return 0;

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering}

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poetteringstatic int cd_media_compat(struct udev *udev, int fd)

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering{

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering if (ioctl(fd, CDROM_DRIVE_STATUS, CDSL_CURRENT) != CDS_DISC_OK) {

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering log_debug("CDROM_DRIVE_STATUS != CDS_DISC_OK");

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering return -1;

bda2c408f8a739c19161818bcc842107f60652a2Tom Gundersen }

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering cd_media = 1;

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering return 0;

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering}

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering

bda2c408f8a739c19161818bcc842107f60652a2Tom Gundersenstatic int cd_inquiry(struct udev *udev, int fd)

bda2c408f8a739c19161818bcc842107f60652a2Tom Gundersen{

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering struct scsi_cmd sc;

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering unsigned char inq[128];

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering int err;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering scsi_cmd_init(udev, &sc);

6073b6f26ab9fc6bf335faa7073ec443eef093fdTom Gundersen scsi_cmd_set(udev, &sc, 0, 0x12);

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering scsi_cmd_set(udev, &sc, 4, 36);

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering scsi_cmd_set(udev, &sc, 5, 0);

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering err = scsi_cmd_run(udev, &sc, fd, inq, 36);

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering if ((err != 0)) {

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering info_scsi_cmd_err(udev, "INQUIRY", err);

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering return -1;

a51c10485af349eb15faa4d1a63b9818bcf3e589Lennart Poettering }

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if ((inq[0] & 0x1F) != 5) {

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_debug("not an MMC unit");

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return -1;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }

0dd25fb9f005d8ab7ac4bc10a609d00569f8c56aLennart Poettering

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering log_debug("INQUIRY: [%.8s][%.16s][%.4s]", inq + 8, inq + 16, inq + 32);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return 0;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic void feature_profile_media(struct udev *udev, int cur_profile)

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering{

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering switch (cur_profile) {

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering case 0x03:

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering case 0x04:

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering case 0x05:

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering log_debug("profile 0x%02x ", cur_profile);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering cd_media = 1;

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering cd_media_mo = 1;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering break;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering case 0x08:

d6731e4c7964ee2860d4f5abdb0b52acd7a66960Tom Gundersen log_debug("profile 0x%02x media_cd_rom", cur_profile);

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering cd_media = 1;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering cd_media_cd_rom = 1;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering break;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering case 0x09:

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering log_debug("profile 0x%02x media_cd_r", cur_profile);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering cd_media = 1;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering cd_media_cd_r = 1;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering break;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering case 0x0a:

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_debug("profile 0x%02x media_cd_rw", cur_profile);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering cd_media = 1;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering cd_media_cd_rw = 1;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering break;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering case 0x10:

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_debug("profile 0x%02x media_dvd_ro", cur_profile);

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering cd_media = 1;

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering cd_media_dvd_rom = 1;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering break;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering case 0x11:

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_debug("profile 0x%02x media_dvd_r", cur_profile);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering cd_media = 1;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering cd_media_dvd_r = 1;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering break;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering case 0x12:

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering log_debug("profile 0x%02x media_dvd_ram", cur_profile);

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering cd_media = 1;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering cd_media_dvd_ram = 1;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering break;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering case 0x13:

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering log_debug("profile 0x%02x media_dvd_rw_ro", cur_profile);

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering cd_media = 1;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering cd_media_dvd_rw = 1;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering cd_media_dvd_rw_ro = 1;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering break;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering case 0x14:

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering log_debug("profile 0x%02x media_dvd_rw_seq", cur_profile);

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering cd_media = 1;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering cd_media_dvd_rw = 1;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering cd_media_dvd_rw_seq = 1;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering break;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering case 0x1B:

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering log_debug("profile 0x%02x media_dvd_plus_r", cur_profile);

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering cd_media = 1;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering cd_media_dvd_plus_r = 1;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering break;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering case 0x1A:

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering log_debug("profile 0x%02x media_dvd_plus_rw", cur_profile);

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering cd_media = 1;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering cd_media_dvd_plus_rw = 1;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering break;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering case 0x2A:

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_debug("profile 0x%02x media_dvd_plus_rw_dl", cur_profile);

6073b6f26ab9fc6bf335faa7073ec443eef093fdTom Gundersen cd_media = 1;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering cd_media_dvd_plus_rw_dl = 1;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering break;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering case 0x2B:

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_debug("profile 0x%02x media_dvd_plus_r_dl", cur_profile);

6073b6f26ab9fc6bf335faa7073ec443eef093fdTom Gundersen cd_media = 1;

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering cd_media_dvd_plus_r_dl = 1;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering break;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering case 0x40:

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_debug("profile 0x%02x media_bd", cur_profile);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering cd_media = 1;

2c27fbca2d88214bd305272308a370a962818f1eLennart Poettering cd_media_bd = 1;

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering break;

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering case 0x41:

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering case 0x42:

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering log_debug("profile 0x%02x media_bd_r", cur_profile);

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering cd_media = 1;

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering cd_media_bd_r = 1;

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering break;

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering case 0x43:

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering log_debug("profile 0x%02x media_bd_re", cur_profile);

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering cd_media = 1;

2c27fbca2d88214bd305272308a370a962818f1eLennart Poettering cd_media_bd_re = 1;

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering break;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering case 0x50:

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering log_debug("profile 0x%02x media_hddvd", cur_profile);

2c27fbca2d88214bd305272308a370a962818f1eLennart Poettering cd_media = 1;

2c27fbca2d88214bd305272308a370a962818f1eLennart Poettering cd_media_hddvd = 1;

2c27fbca2d88214bd305272308a370a962818f1eLennart Poettering break;

2c27fbca2d88214bd305272308a370a962818f1eLennart Poettering case 0x51:

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering log_debug("profile 0x%02x media_hddvd_r", cur_profile);

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering cd_media = 1;

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering cd_media_hddvd_r = 1;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering break;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering case 0x52:

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_debug("profile 0x%02x media_hddvd_rw", cur_profile);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering cd_media = 1;

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering cd_media_hddvd_rw = 1;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering break;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering default:

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_debug("profile 0x%02x <ignored>", cur_profile);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering break;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int feature_profiles(struct udev *udev, const unsigned char *profiles, size_t size)

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering{

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering unsigned int i;

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering for (i = 0; i+4 <= size; i += 4) {

0eac462399c8e87bcce252cf058eba9f2678f2bdLennart Poettering int profile;

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering profile = profiles[i] << 8 | profiles[i+1];

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering switch (profile) {

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering case 0x03:

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering case 0x04:

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering case 0x05:

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_debug("profile 0x%02x mo", profile);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering cd_mo = 1;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering break;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering case 0x08:

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_debug("profile 0x%02x cd_rom", profile);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering cd_cd_rom = 1;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering break;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering case 0x09:

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_debug("profile 0x%02x cd_r", profile);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering cd_cd_r = 1;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering break;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering case 0x0A:

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_debug("profile 0x%02x cd_rw", profile);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering cd_cd_rw = 1;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering break;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering case 0x10:

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_debug("profile 0x%02x dvd_rom", profile);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering cd_dvd_rom = 1;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering break;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering case 0x12:

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_debug("profile 0x%02x dvd_ram", profile);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering cd_dvd_ram = 1;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering break;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering case 0x13:

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering case 0x14:

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_debug("profile 0x%02x dvd_rw", profile);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering cd_dvd_rw = 1;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering break;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering case 0x1B:

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_debug("profile 0x%02x dvd_plus_r", profile);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering cd_dvd_plus_r = 1;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering break;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering case 0x1A:

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_debug("profile 0x%02x dvd_plus_rw", profile);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering cd_dvd_plus_rw = 1;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering break;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering case 0x2A:

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_debug("profile 0x%02x dvd_plus_rw_dl", profile);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering cd_dvd_plus_rw_dl = 1;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering break;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering case 0x2B:

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_debug("profile 0x%02x dvd_plus_r_dl", profile);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering cd_dvd_plus_r_dl = 1;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering break;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering case 0x40:

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering cd_bd = 1;

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering log_debug("profile 0x%02x bd", profile);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering break;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering case 0x41:

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering case 0x42:

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering cd_bd_r = 1;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_debug("profile 0x%02x bd_r", profile);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering break;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering case 0x43:

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering cd_bd_re = 1;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_debug("profile 0x%02x bd_re", profile);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering break;

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering case 0x50:

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering cd_hddvd = 1;

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering log_debug("profile 0x%02x hddvd", profile);

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering break;

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering case 0x51:

19b50b5ba7ee8c1bfb330377309e4bab7a7531d8Lennart Poettering cd_hddvd_r = 1;

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering log_debug("profile 0x%02x hddvd_r", profile);

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering break;

78c6a153c47f8d597c827bdcaf8c4e42ac87f738Lennart Poettering case 0x52:

78c6a153c47f8d597c827bdcaf8c4e42ac87f738Lennart Poettering cd_hddvd_rw = 1;

78c6a153c47f8d597c827bdcaf8c4e42ac87f738Lennart Poettering log_debug("profile 0x%02x hddvd_rw", profile);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering break;

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering default:

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering log_debug("profile 0x%02x <ignored>", profile);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering break;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering }

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering }

78c6a153c47f8d597c827bdcaf8c4e42ac87f738Lennart Poettering return 0;

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering}

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poetteringstatic int cd_profiles_old_mmc(struct udev *udev, int fd)

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering{

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering struct scsi_cmd sc;

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering int err;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering unsigned char header[32];

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering

78c6a153c47f8d597c827bdcaf8c4e42ac87f738Lennart Poettering scsi_cmd_init(udev, &sc);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering scsi_cmd_set(udev, &sc, 0, 0x51);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering scsi_cmd_set(udev, &sc, 8, sizeof(header));

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering scsi_cmd_set(udev, &sc, 9, 0);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering if ((err != 0)) {

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering info_scsi_cmd_err(udev, "READ DISC INFORMATION", err);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering if (cd_media == 1) {

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_debug("no current profile, but disc is present; assuming CD-ROM");

da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt cd_media_cd_rom = 1;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering cd_media_track_count = 1;

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering cd_media_track_count_data = 1;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering return 0;

da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt } else {

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_debug("no current profile, assuming no media");

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering return -1;

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering }

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering };

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering cd_media = 1;

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering if (header[2] & 16) {

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering cd_media_cd_rw = 1;

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering log_debug("profile 0x0a media_cd_rw");

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering } else if ((header[2] & 3) < 2 && cd_cd_r) {

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering cd_media_cd_r = 1;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_debug("profile 0x09 media_cd_r");

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering } else {

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering cd_media_cd_rom = 1;

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering log_debug("profile 0x08 media_cd_rom");

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering }

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering return 0;

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering}

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poetteringstatic int cd_profiles(struct udev *udev, int fd)

4e945a6f7971fd7d1f6b2c62ee3afdaff3c95ce4Lennart Poettering{

78c6a153c47f8d597c827bdcaf8c4e42ac87f738Lennart Poettering struct scsi_cmd sc;

78c6a153c47f8d597c827bdcaf8c4e42ac87f738Lennart Poettering unsigned char features[65530];

78c6a153c47f8d597c827bdcaf8c4e42ac87f738Lennart Poettering unsigned int cur_profile = 0;

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering unsigned int len;

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering unsigned int i;

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering int err;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering int ret;

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering ret = -1;

78c6a153c47f8d597c827bdcaf8c4e42ac87f738Lennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering /* First query the current profile */

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering scsi_cmd_init(udev, &sc);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering scsi_cmd_set(udev, &sc, 0, 0x46);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering scsi_cmd_set(udev, &sc, 8, 8);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering scsi_cmd_set(udev, &sc, 9, 0);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering err = scsi_cmd_run(udev, &sc, fd, features, 8);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering if ((err != 0)) {

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering info_scsi_cmd_err(udev, "GET CONFIGURATION", err);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering /* handle pre-MMC2 drives which do not support GET CONFIGURATION */

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering if (SK(err) == 0x5 && (ASC(err) == 0x20 || ASC(err) == 0x24)) {

78c6a153c47f8d597c827bdcaf8c4e42ac87f738Lennart Poettering log_debug("drive is pre-MMC2 and does not support 46h get configuration command");

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering log_debug("trying to work around the problem");

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering ret = cd_profiles_old_mmc(udev, fd);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering }

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering goto out;

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering }

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering cur_profile = features[6] << 8 | features[7];

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering if (cur_profile > 0) {

da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt log_debug("current profile 0x%02x", cur_profile);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering feature_profile_media (udev, cur_profile);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering ret = 0; /* we have media */

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering } else {

da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt log_debug("no current profile, assuming no media");

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering }

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering len = features[0] << 24 | features[1] << 16 | features[2] << 8 | features[3];

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering log_debug("GET CONFIGURATION: size of features buffer 0x%04x", len);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering if (len > sizeof(features)) {

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering log_debug("can not get features in a single query, truncating");

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering len = sizeof(features);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering } else if (len <= 8) {

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering len = sizeof(features);

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering }

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering /* Now get the full feature buffer */

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering scsi_cmd_init(udev, &sc);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering scsi_cmd_set(udev, &sc, 0, 0x46);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering scsi_cmd_set(udev, &sc, 7, ( len >> 8 ) & 0xff);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering scsi_cmd_set(udev, &sc, 8, len & 0xff);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering scsi_cmd_set(udev, &sc, 9, 0);

da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt err = scsi_cmd_run(udev, &sc, fd, features, len);

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering if ((err != 0)) {

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering info_scsi_cmd_err(udev, "GET CONFIGURATION", err);

1c4baffc1895809bae9ac36b670af90a4cb9cd7dTom Gundersen return -1;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* parse the length once more, in case the drive decided to have other features suddenly :) */

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering len = features[0] << 24 | features[1] << 16 | features[2] << 8 | features[3];

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_debug("GET CONFIGURATION: size of features buffer 0x%04x", len);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (len > sizeof(features)) {

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_debug("can not get features in a single query, truncating");

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering len = sizeof(features);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }

1716f6dcf54d4c181c2e2558e3d5414f54c8d9caLennart Poettering

ec2c5e4398f9d65e5dfe61530f2556224733d1e6Lennart Poettering /* device features */

623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering for (i = 8; i+4 < len; i += (4 + features[i+3])) {

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering unsigned int feature;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering feature = features[i] << 8 | features[i+1];

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering switch (feature) {

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering case 0x00:

7b85d72f824cdf34554b349712b6b8e39095dbd4Lennart Poettering log_debug("GET CONFIGURATION: feature 'profiles', with %i entries", features[i+3] / 4);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering feature_profiles(udev, &features[i]+4, MIN(features[i+3], len - i - 4));

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering break;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering default:

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_debug("GET CONFIGURATION: feature 0x%04x <ignored>, with 0x%02x bytes", feature, features[i+3]);

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering break;

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }

74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }

out:

return ret;

}

static int cd_media_info(struct udev *udev, int fd)

{

struct scsi_cmd sc;

unsigned char header[32];

static const char *media_status[] = {

"blank",

"appendable",

"complete",

"other"

};

int err;

scsi_cmd_init(udev, &sc);

scsi_cmd_set(udev, &sc, 0, 0x51);

scsi_cmd_set(udev, &sc, 8, sizeof(header) & 0xff);

scsi_cmd_set(udev, &sc, 9, 0);

err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));

if ((err != 0)) {

info_scsi_cmd_err(udev, "READ DISC INFORMATION", err);

return -1;

};

cd_media = 1;

log_debug("disk type %02x", header[8]);

log_debug("hardware reported media status: %s", media_status[header[2] & 3]);

/* exclude plain CDROM, some fake cdroms return 0 for "blank" media here */

if (!cd_media_cd_rom)

cd_media_state = media_status[header[2] & 3];

/* fresh DVD-RW in restricted overwite mode reports itself as

if (cd_media_dvd_rw_ro && (header[2] & 3) == 1)

cd_media_state = media_status[0];

/* DVD+RW discs (and DVD-RW in restricted mode) once formatted are

if ((cd_media_dvd_rw_ro || cd_media_dvd_plus_rw || cd_media_dvd_plus_rw_dl || cd_media_dvd_ram) && (header[2] & 3) > 1) {

unsigned char buffer[32 * 2048];

unsigned char len;

int offset;

if (cd_media_dvd_ram) {

/* a write protected dvd-ram may report "complete" status */

unsigned char dvdstruct[8];

unsigned char format[12];

scsi_cmd_init(udev, &sc);

scsi_cmd_set(udev, &sc, 0, 0xAD);

scsi_cmd_set(udev, &sc, 7, 0xC0);

scsi_cmd_set(udev, &sc, 9, sizeof(dvdstruct));

scsi_cmd_set(udev, &sc, 11, 0);

err = scsi_cmd_run(udev, &sc, fd, dvdstruct, sizeof(dvdstruct));

if ((err != 0)) {

info_scsi_cmd_err(udev, "READ DVD STRUCTURE", err);

return -1;

}

if (dvdstruct[4] & 0x02) {

cd_media_state = media_status[2];

log_debug("write-protected DVD-RAM media inserted");

goto determined;

}

/* let's make sure we don't try to read unformatted media */

scsi_cmd_init(udev, &sc);

scsi_cmd_set(udev, &sc, 0, 0x23);

scsi_cmd_set(udev, &sc, 8, sizeof(format));

scsi_cmd_set(udev, &sc, 9, 0);

err = scsi_cmd_run(udev, &sc, fd, format, sizeof(format));

if ((err != 0)) {

info_scsi_cmd_err(udev, "READ DVD FORMAT CAPACITIES", err);

return -1;

}

len = format[3];

if (len & 7 || len < 16) {

log_debug("invalid format capacities length");

return -1;

}

switch(format[8] & 3) {

case 1:

log_debug("unformatted DVD-RAM media inserted");

/* This means that last format was interrupted

goto determined;

case 2:

log_debug("formatted DVD-RAM media inserted");

break;

case 3:

cd_media = 0; //return no media

log_debug("format capacities returned no media");

return -1;

}

}

/* Take a closer look at formatted media (unformatted DVD+RW

scsi_cmd_init(udev, &sc);

scsi_cmd_set(udev, &sc, 0, 0x28);

scsi_cmd_set(udev, &sc, 5, 0);

scsi_cmd_set(udev, &sc, 8, 32);

scsi_cmd_set(udev, &sc, 9, 0);

err = scsi_cmd_run(udev, &sc, fd, buffer, sizeof(buffer));

if ((err != 0)) {

cd_media = 0;

info_scsi_cmd_err(udev, "READ FIRST 32 BLOCKS", err);

return -1;

}

/* if any non-zero data is found in sector 16 (iso and udf) or

for (offset = 32768; offset < (32768 + 2048); offset++) {

if (buffer [offset]) {

log_debug("data in block 16, assuming complete");

goto determined;

}

}

for (offset = 0; offset < 2048; offset++) {

if (buffer [offset]) {

log_debug("data in block 0, assuming complete");

goto determined;

}

}

cd_media_state = media_status[0];

log_debug("no data in blocks 0 or 16, assuming blank");

}

determined:

/* "other" is e. g. DVD-RAM, can't append sessions there; DVDs in

if ((header[2] & 3) < 2 && !cd_media_dvd_rw_ro)

cd_media_session_next = header[10] << 8 | header[5];

cd_media_session_count = header[9] << 8 | header[4];

cd_media_track_count = header[11] << 8 | header[6];

return 0;

}

static int cd_media_toc(struct udev *udev, int fd)

{

struct scsi_cmd sc;

unsigned char header[12];

unsigned char toc[65536];

unsigned int len, i, num_tracks;

unsigned char *p;

int err;

scsi_cmd_init(udev, &sc);

scsi_cmd_set(udev, &sc, 0, 0x43);

scsi_cmd_set(udev, &sc, 6, 1);

scsi_cmd_set(udev, &sc, 8, sizeof(header) & 0xff);

scsi_cmd_set(udev, &sc, 9, 0);

err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));

if ((err != 0)) {

info_scsi_cmd_err(udev, "READ TOC", err);

return -1;

}

len = (header[0] << 8 | header[1]) + 2;

log_debug("READ TOC: len: %d, start track: %d, end track: %d", len, header[2], header[3]);

if (len > sizeof(toc))

return -1;

if (len < 2)

return -1;

/* 2: first track, 3: last track */

num_tracks = header[3] - header[2] + 1;

/* empty media has no tracks */

if (len < 8)

return 0;

scsi_cmd_init(udev, &sc);

scsi_cmd_set(udev, &sc, 0, 0x43);

scsi_cmd_set(udev, &sc, 6, header[2]); /* First Track/Session Number */

scsi_cmd_set(udev, &sc, 7, (len >> 8) & 0xff);

scsi_cmd_set(udev, &sc, 8, len & 0xff);

scsi_cmd_set(udev, &sc, 9, 0);

err = scsi_cmd_run(udev, &sc, fd, toc, len);

if ((err != 0)) {

info_scsi_cmd_err(udev, "READ TOC (tracks)", err);

return -1;

}

/* Take care to not iterate beyond the last valid track as specified in

for (p = toc+4, i = 4; i < len-8 && num_tracks > 0; i += 8, p += 8, --num_tracks) {

unsigned int block;

unsigned int is_data_track;

is_data_track = (p[1] & 0x04) != 0;

block = p[4] << 24 | p[5] << 16 | p[6] << 8 | p[7];

log_debug("track=%u info=0x%x(%s) start_block=%u",

p[2], p[1] & 0x0f, is_data_track ? "data":"audio", block);

if (is_data_track)

cd_media_track_count_data++;

else

cd_media_track_count_audio++;

}

scsi_cmd_init(udev, &sc);

scsi_cmd_set(udev, &sc, 0, 0x43);

scsi_cmd_set(udev, &sc, 2, 1); /* Session Info */

scsi_cmd_set(udev, &sc, 8, sizeof(header));

scsi_cmd_set(udev, &sc, 9, 0);

err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));

if ((err != 0)) {

info_scsi_cmd_err(udev, "READ TOC (multi session)", err);

return -1;

}

len = header[4+4] << 24 | header[4+5] << 16 | header[4+6] << 8 | header[4+7];

log_debug("last track %u starts at block %u", header[4+2], len);

cd_media_session_last_offset = (unsigned long long int)len * 2048;

return 0;

}

int main(int argc, char *argv[])

{

struct udev *udev;

static const struct option options[] = {

{ "lock-media", no_argument, NULL, 'l' },

{ "unlock-media", no_argument, NULL, 'u' },

{ "eject-media", no_argument, NULL, 'e' },

{ "debug", no_argument, NULL, 'd' },

{ "help", no_argument, NULL, 'h' },

{}

};

bool eject = false;

bool lock = false;

bool unlock = false;

const char *node = NULL;

int fd = -1;

int cnt;

int rc = 0;

log_parse_environment();

log_open();

udev = udev_new();

if (udev == NULL)

goto exit;

while (1) {

int option;

option = getopt_long(argc, argv, "deluh", options, NULL);

if (option == -1)

break;

switch (option) {

case 'l':

lock = true;

break;

case 'u':

unlock = true;

break;

case 'e':

eject = true;

break;

case 'd':

log_set_target(LOG_TARGET_CONSOLE);

log_set_max_level(LOG_DEBUG);

log_open();

break;

case 'h':

printf("Usage: cdrom_id [options] <device>\n"

" -l,--lock-media lock the media (to enable eject request events)\n"

" -u,--unlock-media unlock the media\n"

" -e,--eject-media eject the media\n"

" -d,--debug debug to stderr\n"

" -h,--help print this help text\n\n");

goto exit;

default:

rc = 1;

goto exit;

}

}

node = argv[optind];

if (!node) {

log_error("no device");

fprintf(stderr, "no device\n");

rc = 1;

goto exit;

}

initialize_srand();

for (cnt = 20; cnt > 0; cnt--) {

struct timespec duration;

fd = open(node, O_RDONLY|O_NONBLOCK|O_CLOEXEC|(is_mounted(node) ? 0 : O_EXCL));

if (fd >= 0 || errno != EBUSY)

break;

duration.tv_sec = 0;

duration.tv_nsec = (100 * 1000 * 1000) + (rand() % 100 * 1000 * 1000);

nanosleep(&duration, NULL);

}

if (fd < 0) {

log_debug("unable to open '%s'", node);

fprintf(stderr, "unable to open '%s'\n", node);

rc = 1;

goto exit;

}

log_debug("probing: '%s'", node);

/* same data as original cdrom_id */

if (cd_capability_compat(udev, fd) < 0) {

rc = 1;

goto exit;

}

/* check for media - don't bail if there's no media as we still need to

cd_media_compat(udev, fd);

/* check if drive talks MMC */

if (cd_inquiry(udev, fd) < 0)

goto work;

/* read drive and possibly current profile */

if (cd_profiles(udev, fd) != 0)

goto work;

/* at this point we are guaranteed to have media in the drive - find out more about it */

/* get session/track info */

cd_media_toc(udev, fd);

/* get writable media state */

cd_media_info(udev, fd);

work:

/* lock the media, so we enable eject button events */

if (lock && cd_media) {

log_debug("PREVENT_ALLOW_MEDIUM_REMOVAL (lock)");

media_lock(udev, fd, true);

}

if (unlock && cd_media) {

log_debug("PREVENT_ALLOW_MEDIUM_REMOVAL (unlock)");

media_lock(udev, fd, false);

}

if (eject) {

log_debug("PREVENT_ALLOW_MEDIUM_REMOVAL (unlock)");

media_lock(udev, fd, false);

log_debug("START_STOP_UNIT (eject)");

media_eject(udev, fd);

}

printf("ID_CDROM=1\n");

if (cd_cd_rom)

printf("ID_CDROM_CD=1\n");

if (cd_cd_r)

printf("ID_CDROM_CD_R=1\n");

if (cd_cd_rw)

printf("ID_CDROM_CD_RW=1\n");

if (cd_dvd_rom)

printf("ID_CDROM_DVD=1\n");

if (cd_dvd_r)

printf("ID_CDROM_DVD_R=1\n");

if (cd_dvd_rw)

printf("ID_CDROM_DVD_RW=1\n");

if (cd_dvd_ram)

printf("ID_CDROM_DVD_RAM=1\n");

if (cd_dvd_plus_r)

printf("ID_CDROM_DVD_PLUS_R=1\n");

if (cd_dvd_plus_rw)

printf("ID_CDROM_DVD_PLUS_RW=1\n");

if (cd_dvd_plus_r_dl)

printf("ID_CDROM_DVD_PLUS_R_DL=1\n");

if (cd_dvd_plus_rw_dl)

printf("ID_CDROM_DVD_PLUS_RW_DL=1\n");

if (cd_bd)

printf("ID_CDROM_BD=1\n");

if (cd_bd_r)

printf("ID_CDROM_BD_R=1\n");

if (cd_bd_re)

printf("ID_CDROM_BD_RE=1\n");

if (cd_hddvd)

printf("ID_CDROM_HDDVD=1\n");

if (cd_hddvd_r)

printf("ID_CDROM_HDDVD_R=1\n");

if (cd_hddvd_rw)

printf("ID_CDROM_HDDVD_RW=1\n");

if (cd_mo)

printf("ID_CDROM_MO=1\n");

if (cd_mrw)

printf("ID_CDROM_MRW=1\n");

if (cd_mrw_w)

printf("ID_CDROM_MRW_W=1\n");

if (cd_media)

printf("ID_CDROM_MEDIA=1\n");

if (cd_media_mo)

printf("ID_CDROM_MEDIA_MO=1\n");

if (cd_media_mrw)

printf("ID_CDROM_MEDIA_MRW=1\n");

if (cd_media_mrw_w)

printf("ID_CDROM_MEDIA_MRW_W=1\n");

if (cd_media_cd_rom)

printf("ID_CDROM_MEDIA_CD=1\n");

if (cd_media_cd_r)

printf("ID_CDROM_MEDIA_CD_R=1\n");

if (cd_media_cd_rw)

printf("ID_CDROM_MEDIA_CD_RW=1\n");

if (cd_media_dvd_rom)

printf("ID_CDROM_MEDIA_DVD=1\n");

if (cd_media_dvd_r)

printf("ID_CDROM_MEDIA_DVD_R=1\n");

if (cd_media_dvd_ram)

printf("ID_CDROM_MEDIA_DVD_RAM=1\n");

if (cd_media_dvd_rw)

printf("ID_CDROM_MEDIA_DVD_RW=1\n");

if (cd_media_dvd_plus_r)

printf("ID_CDROM_MEDIA_DVD_PLUS_R=1\n");

if (cd_media_dvd_plus_rw)

printf("ID_CDROM_MEDIA_DVD_PLUS_RW=1\n");

if (cd_media_dvd_plus_rw_dl)

printf("ID_CDROM_MEDIA_DVD_PLUS_RW_DL=1\n");

if (cd_media_dvd_plus_r_dl)

printf("ID_CDROM_MEDIA_DVD_PLUS_R_DL=1\n");

if (cd_media_bd)

printf("ID_CDROM_MEDIA_BD=1\n");

if (cd_media_bd_r)

printf("ID_CDROM_MEDIA_BD_R=1\n");

if (cd_media_bd_re)

printf("ID_CDROM_MEDIA_BD_RE=1\n");

if (cd_media_hddvd)

printf("ID_CDROM_MEDIA_HDDVD=1\n");

if (cd_media_hddvd_r)

printf("ID_CDROM_MEDIA_HDDVD_R=1\n");

if (cd_media_hddvd_rw)

printf("ID_CDROM_MEDIA_HDDVD_RW=1\n");

if (cd_media_state != NULL)

printf("ID_CDROM_MEDIA_STATE=%s\n", cd_media_state);

if (cd_media_session_next > 0)

printf("ID_CDROM_MEDIA_SESSION_NEXT=%u\n", cd_media_session_next);

if (cd_media_session_count > 0)

printf("ID_CDROM_MEDIA_SESSION_COUNT=%u\n", cd_media_session_count);

if (cd_media_session_count > 1 && cd_media_session_last_offset > 0)

printf("ID_CDROM_MEDIA_SESSION_LAST_OFFSET=%llu\n", cd_media_session_last_offset);

if (cd_media_track_count > 0)

printf("ID_CDROM_MEDIA_TRACK_COUNT=%u\n", cd_media_track_count);

if (cd_media_track_count_audio > 0)

printf("ID_CDROM_MEDIA_TRACK_COUNT_AUDIO=%u\n", cd_media_track_count_audio);

if (cd_media_track_count_data > 0)

printf("ID_CDROM_MEDIA_TRACK_COUNT_DATA=%u\n", cd_media_track_count_data);

exit:

if (fd >= 0)

close(fd);

udev_unref(udev);

log_close();

return rc;

}