[thirdparty/systemd.git] / extras / cdrom_id / cdrom_id.c

/*
 * cdrom_id - optical drive and media information prober
 *
 * Copyright (C) 2008 Kay Sievers <kay.sievers@vrfy.org>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef _GNU_SOURCE
#define _GNU_SOURCE 1
#endif

#include <stdio.h>
#include <stddef.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <limits.h>
#include <fcntl.h>
#include <errno.h>
#include <getopt.h>
#include <scsi/sg.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/time.h>
#include <sys/ioctl.h>
#include <linux/cdrom.h>

#include "libudev.h"
#include "libudev-private.h"

static int debug;

static void log_fn(struct udev *udev, int priority,
		   const char *file, int line, const char *fn,
		   const char *format, va_list args)
{
	if (debug) {
		fprintf(stderr, "%s: ", fn);
		vfprintf(stderr, format, args);
	} else {
		vsyslog(priority, format, args);
	}
}

/* device info */
static unsigned int cd_cd_rom;
static unsigned int cd_cd_r;
static unsigned int cd_cd_rw;
static unsigned int cd_dvd_rom;
static unsigned int cd_dvd_r;
static unsigned int cd_dvd_rw;
static unsigned int cd_dvd_ram;
static unsigned int cd_dvd_plus_r;
static unsigned int cd_dvd_plus_rw;
static unsigned int cd_dvd_plus_r_dl;
static unsigned int cd_dvd_plus_rw_dl;
static unsigned int cd_bd;
static unsigned int cd_bd_r;
static unsigned int cd_bd_re;
static unsigned int cd_hddvd;
static unsigned int cd_hddvd_r;
static unsigned int cd_hddvd_rw;
static unsigned int cd_mo;
static unsigned int cd_mrw;
static unsigned int cd_mrw_w;

/* media info */
static unsigned int cd_media;
static unsigned int cd_media_cd_rom;
static unsigned int cd_media_cd_r;
static unsigned int cd_media_cd_rw;
static unsigned int cd_media_dvd_rom;
static unsigned int cd_media_dvd_r;
static unsigned int cd_media_dvd_rw;
static unsigned int cd_media_dvd_ram;
static unsigned int cd_media_dvd_plus_r;
static unsigned int cd_media_dvd_plus_rw;
static unsigned int cd_media_dvd_plus_r_dl;
static unsigned int cd_media_dvd_plus_rw_dl;
static unsigned int cd_media_bd;
static unsigned int cd_media_bd_r;
static unsigned int cd_media_bd_re;
static unsigned int cd_media_hddvd;
static unsigned int cd_media_hddvd_r;
static unsigned int cd_media_hddvd_rw;
static unsigned int cd_media_mo;
static unsigned int cd_media_mrw;
static unsigned int cd_media_mrw_w;

static const char *cd_media_state;
static unsigned int cd_media_session_next;
static unsigned int cd_media_session_count;
static unsigned int cd_media_track_count;
static unsigned int cd_media_track_count_data;
static unsigned int cd_media_track_count_audio;
static unsigned long long int cd_media_session_last_offset;

#define ERRCODE(s)	((((s)[2] & 0x0F) << 16) | ((s)[12] << 8) | ((s)[13]))
#define SK(errcode)	(((errcode) >> 16) & 0xF)
#define ASC(errcode)	(((errcode) >> 8) & 0xFF)
#define ASCQ(errcode)	((errcode) & 0xFF)

static void info_scsi_cmd_err(struct udev *udev, char *cmd, int err)
{
	if (err == -1) {
		info(udev, "%s failed\n", cmd);
		return;
	}
	info(udev, "%s failed with SK=%Xh/ASC=%02Xh/ACQ=%02Xh\n", cmd, SK(err), ASC(err), ASCQ(err));
}

struct scsi_cmd {
	struct cdrom_generic_command cgc;
	union {
		struct request_sense s;
		unsigned char u[18];
	} _sense;
	struct sg_io_hdr sg_io;
};

static void scsi_cmd_set(struct udev *udev, struct scsi_cmd *cmd, size_t i, int arg)
{
	if (i == 0) {
		memset(cmd, 0x00, sizeof(struct scsi_cmd));
		cmd->cgc.quiet = 1;
		cmd->cgc.sense = &cmd->_sense.s;
		memset(&cmd->sg_io, 0, sizeof(cmd->sg_io));
		cmd->sg_io.interface_id = 'S';
		cmd->sg_io.mx_sb_len = sizeof(cmd->_sense);
		cmd->sg_io.cmdp = cmd->cgc.cmd;
		cmd->sg_io.sbp = cmd->_sense.u;
		cmd->sg_io.flags = SG_FLAG_LUN_INHIBIT | SG_FLAG_DIRECT_IO;
	}
	cmd->sg_io.cmd_len = i + 1;
	cmd->cgc.cmd[i] = arg;
}

#define CHECK_CONDITION 0x01

static int scsi_cmd_run(struct udev *udev, struct scsi_cmd *cmd, int fd, unsigned char *buf, size_t bufsize)
{
	int ret = 0;

	cmd->sg_io.dxferp = buf;
	cmd->sg_io.dxfer_len = bufsize;
	cmd->sg_io.dxfer_direction = SG_DXFER_FROM_DEV;
	if (ioctl(fd, SG_IO, &cmd->sg_io))
		return -1;

	if ((cmd->sg_io.info & SG_INFO_OK_MASK) != SG_INFO_OK) {
		errno = EIO;
		ret = -1;
		if (cmd->sg_io.masked_status & CHECK_CONDITION) {
			ret = ERRCODE(cmd->_sense.u);
			if (ret == 0)
				ret = -1;
		}
	}
	return ret;
}

static int cd_capability_compat(struct udev *udev, int fd)
{
	int capability;

	capability = ioctl(fd, CDROM_GET_CAPABILITY, NULL);
	if (capability < 0) {
		info(udev, "CDROM_GET_CAPABILITY failed\n");
		return -1;
	}

	if (capability & CDC_CD_R)
		cd_cd_r = 1;
	if (capability & CDC_CD_RW)
		cd_cd_rw = 1;
	if (capability & CDC_DVD)
		cd_dvd_rom = 1;
	if (capability & CDC_DVD_R)
		cd_dvd_r = 1;
	if (capability & CDC_DVD_RAM)
		cd_dvd_ram = 1;
	if (capability & CDC_MRW)
		cd_mrw = 1;
	if (capability & CDC_MRW_W)
		cd_mrw_w = 1;
	return 0;
}

static int cd_media_compat(struct udev *udev, int fd)
{
	if (ioctl(fd, CDROM_DRIVE_STATUS, CDSL_CURRENT) != CDS_DISC_OK) {
		info(udev, "CDROM_DRIVE_STATUS != CDS_DISC_OK\n");
		return -1;
	}
	cd_media = 1;
	return 0;
}

static int cd_inquiry(struct udev *udev, int fd) {
	struct scsi_cmd sc;
	unsigned char inq[128];
	int err;

	scsi_cmd_set(udev, &sc, 0, 0x12);
	scsi_cmd_set(udev, &sc, 4, 36);
	scsi_cmd_set(udev, &sc, 5, 0);
	err = scsi_cmd_run(udev, &sc, fd, inq, 36);
	if ((err < 0)) {
		info_scsi_cmd_err(udev, "INQUIRY", err);
		return -1;
	}

	if ((inq[0] & 0x1F) != 5) {
		info(udev, "not an MMC unit\n");
		return -1;
	}

	info(udev, "INQUIRY: [%.8s][%.16s][%.4s]\n", inq + 8, inq + 16, inq + 32);
	return 0;
}

static int cd_profiles(struct udev *udev, int fd)
{
	struct scsi_cmd sc;
	unsigned char header[8];
	unsigned char profiles[512];
	unsigned int cur_profile;
	unsigned int len;
	unsigned int i;
	int err;

	scsi_cmd_set(udev, &sc, 0, 0x46);
	scsi_cmd_set(udev, &sc, 1, 0);
	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, "GET CONFIGURATION", err);
		return -1;
	}

	len = 4 + (header[0] << 24 | header[1] << 16 | header[2] << 8 | header[3]);
	info(udev, "GET CONFIGURATION: number of profiles %i\n", len);
	if (len > sizeof(profiles)) {
		info(udev, "invalid number of profiles\n");
		return -1;
	}

	scsi_cmd_set(udev, &sc, 0, 0x46);
	scsi_cmd_set(udev, &sc, 1, 1);
	scsi_cmd_set(udev, &sc, 6, len >> 16);
	scsi_cmd_set(udev, &sc, 7, len >> 8);
	scsi_cmd_set(udev, &sc, 8, len);
	scsi_cmd_set(udev, &sc, 9, 0);
	err = scsi_cmd_run(udev, &sc, fd, profiles, len);
	if ((err < 0)) {
		info_scsi_cmd_err(udev, "GET CONFIGURATION", err);
		return -1;
	}

	/* device profiles */
	for (i = 12; i < profiles[11]; i += 4) {
		unsigned int profile = (profiles[i] << 8 | profiles[i + 1]);
		if (profile == 0)
			continue;
		info(udev, "profile 0x%02x\n", profile);

		switch (profile) {
		case 0x03:
		case 0x04:
		case 0x05:
			cd_mo = 1;
		break;
		case 0x10:
			cd_dvd_rom = 1;
			break;
		case 0x12:
			cd_dvd_ram = 1;
			break;
		case 0x13:
		case 0x14:
			cd_dvd_rw = 1;
			break;
		case 0x1B:
			cd_dvd_plus_r = 1;
			break;
		case 0x1A:
			cd_dvd_plus_rw = 1;
			break;
		case 0x2A:
			cd_dvd_plus_rw_dl = 1;
			break;
		case 0x2B:
			cd_dvd_plus_r_dl = 1;
			break;
		case 0x40:
			cd_bd = 1;
			break;
		case 0x41:
		case 0x42:
			cd_bd_r = 1;
			break;
		case 0x43:
			cd_bd_re = 1;
			break;
		case 0x50:
			cd_hddvd = 1;
			break;
		case 0x51:
			cd_hddvd_r = 1;
			break;
		case 0x52:
			cd_hddvd_rw = 1;
			break;
		default:
			break;
		}
	}

	/* current media profile */
	cur_profile = header[6] << 8 | header[7];
	info(udev, "current profile 0x%02x\n", cur_profile);
	if (cur_profile == 0) {
		info(udev, "no current profile, assuming no media\n");
		return -1;
	}

	cd_media = 1;

	switch (cur_profile) {
	case 0x03:
	case 0x04:
	case 0x05:
		cd_media_mo = 1;
		break;
	case 0x08:
		cd_media_cd_rom = 1;
		break;
	case 0x09:
		cd_media_cd_r = 1;
		break;
	case 0x0a:
		cd_media_cd_rw = 1;
		break;
	case 0x10:
		cd_media_dvd_rom = 1;
		break;
	case 0x11:
		cd_media_dvd_r = 1;
		break;
	case 0x12:
		cd_media_dvd_ram = 1;
		break;
	case 0x13:
	case 0x14:
		cd_media_dvd_rw = 1;
		break;
	case 0x1B:
		cd_media_dvd_plus_r = 1;
		break;
	case 0x1A:
		cd_media_dvd_plus_rw = 1;
		break;
	case 0x2A:
		cd_media_dvd_plus_rw_dl = 1;
		break;
	case 0x2B:
		cd_media_dvd_plus_r_dl = 1;
		break;
	case 0x40:
		cd_media_bd = 1;
		break;
	case 0x41:
	case 0x42:
		cd_media_bd_r = 1;
		break;
	case 0x43:
		cd_media_bd_re = 1;
		break;
	case 0x50:
		cd_media_hddvd = 1;
		break;
	case 0x51:
		cd_media_hddvd_r = 1;
		break;
	case 0x52:
		cd_media_hddvd_rw = 1;
		break;
	default:
		break;
	}
	return 0;
}

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_set(udev, &sc, 0, 0x51);
	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 DISC INFORMATION", err);
		return -1;
	};

	info(udev, "disk type %02x\n", header[8]);

	/* exclude plain CDROM, some fake cdroms return 0 for "blank" media here */
	if (!cd_media_cd_rom && (header[2] & 3) < 4)
		cd_media_state = media_status[header[2] & 3];

	if ((header[2] & 3) != 2)
		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[2048];
	unsigned int len, i;
	unsigned char *p;
	int err;

	scsi_cmd_set(udev, &sc, 0, 0x43);
	scsi_cmd_set(udev, &sc, 6, 1);
	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", err);
		return -1;
	}

	len = (header[0] << 8 | header[1]) + 2;
	info(udev, "READ TOC: len: %d\n", len);
	if (len > sizeof(toc))
		return -1;
	if (len < 2)
		return -1;

	/* empty media has no tracks */
	if (len < 8)
		return 0;

	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);
	scsi_cmd_set(udev, &sc, 8, len);
	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;
	}

	for (p = toc+4, i = 4; i < len-8; i += 8, p += 8) {
		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];
		info(udev, "track=%u info=0x%x(%s) start_block=%u\n",
		     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_set(udev, &sc, 0, 0x43);
	scsi_cmd_set(udev, &sc, 2, 1); /* Session Info */
	scsi_cmd_set(udev, &sc, 8, 12);
	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];
	info(udev, "last track %u starts at block %u\n", 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[] = {
		{ "export", no_argument, NULL, 'x' },
		{ "debug", no_argument, NULL, 'd' },
		{ "help", no_argument, NULL, 'h' },
		{}
	};
	const char *node = NULL;
	int export = 0;
	int fd = -1;
	int rc = 0;

	udev = udev_new();
	if (udev == NULL)
		goto exit;

	udev_log_init("cdrom_id");
	udev_set_log_fn(udev, log_fn);

	while (1) {
		int option;

		option = getopt_long(argc, argv, "dxh", options, NULL);
		if (option == -1)
			break;

		switch (option) {
		case 'd':
			debug = 1;
			if (udev_get_log_priority(udev) < LOG_INFO)
				udev_set_log_priority(udev, LOG_INFO);
			break;
		case 'x':
			export = 1;
			break;
		case 'h':
			printf("Usage: cdrom_id [options] <device>\n"
			       "  --export        export key/value pairs\n"
			       "  --debug         debug to stderr\n"
			       "  --help          print this help text\n\n");
			goto exit;
		default:
			rc = 1;
			goto exit;
		}
	}

	node = argv[optind];
	if (!node) {
		err(udev, "no device\n");
		fprintf(stderr, "no device\n");
		rc = 1;
		goto exit;
	}

	fd = open(node, O_RDONLY | O_NONBLOCK);
	if (fd < 0) {
		info(udev, "unable to open '%s'\n", node);
		fprintf(stderr, "unable to open '%s'\n", node);
		rc = 1;
		goto exit;
	}
	info(udev, "probing: '%s'\n", node);

	/* same data as original cdrom_id */
	if (cd_capability_compat(udev, fd) < 0) {
		rc = 1;
		goto exit;
	}

	/* check for media */
	if (cd_media_compat(udev, fd) < 0)
		goto print;

	/* check if drive talks MMC */
	if (cd_inquiry(udev, fd) < 0)
		goto print;

	/* read drive and possibly current profile */
	if (cd_profiles(udev, fd) < 0)
		goto print;

	/* get session/track info */
	if (cd_media_toc(udev, fd) < 0)
		goto print;

	/* get writable media state */
	if (cd_media_info(udev, fd) < 0)
		goto print;

print:
	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=%d\n", cd_media_session_next);
	if (cd_media_session_count > 0)
		printf("ID_CDROM_MEDIA_SESSION_COUNT=%d\n", cd_media_session_count);
	if (cd_media_track_count > 0)
		printf("ID_CDROM_MEDIA_TRACK_COUNT=%d\n", cd_media_track_count);
	if (cd_media_track_count_audio > 0)
		printf("ID_CDROM_MEDIA_TRACK_COUNT_AUDIO=%d\n", cd_media_track_count_audio);
	if (cd_media_track_count_data > 0)
		printf("ID_CDROM_MEDIA_TRACK_COUNT_DATA=%d\n", cd_media_track_count_data);
	if (cd_media_session_last_offset > 0)
		printf("ID_CDROM_MEDIA_SESSION_LAST_OFFSET=%llu\n", cd_media_session_last_offset);
exit:
	if (fd >= 0)
		close(fd);
	udev_unref(udev);
	udev_log_close();
	return rc;
}
Commit	Line	Data
8f6919e6	1	/*
fd7a285e	2	* cdrom_id - optical drive and media information prober
8f6919e6	3	*
fd7a285e	4	* Copyright (C) 2008 Kay Sievers <kay.sievers@vrfy.org>
8f6919e6	5	*
55e9959b KS	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.
8f6919e6	10	*
55e9959b KS	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.
fd7a285e	15	*
55e9959b KS	16	* You should have received a copy of the GNU General Public License
55e9959b KS	17	* along with this program. If not, see <http://www.gnu.org/licenses/>.
8f6919e6 GKH	18	*/
	19
	20	#ifndef _GNU_SOURCE
	21	#define _GNU_SOURCE 1
	22	#endif
	23
	24	#include <stdio.h>
fd7a285e	25	#include <stddef.h>
8f6919e6 GKH	26	#include <stdlib.h>
8f6919e6 GKH	27	#include <unistd.h>
1aa1e248	28	#include <string.h>
fd7a285e KS	29	#include <limits.h>
fd7a285e KS	30	#include <fcntl.h>
8f6919e6	31	#include <errno.h>
fd7a285e KS	32	#include <getopt.h>
fd7a285e KS	33	#include <scsi/sg.h>
8f6919e6 GKH	34	#include <sys/types.h>
8f6919e6 GKH	35	#include <sys/stat.h>
fd7a285e KS	36	#include <sys/time.h>
	37	#include <sys/ioctl.h>
	38	#include <linux/cdrom.h>
01618658	39
9060b066 KS	40	#include "libudev.h"
9060b066 KS	41	#include "libudev-private.h"
8f6919e6	42
fd7a285e	43	static int debug;
903a3649	44
7d563a17 KS	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)
8f6919e6	48	{
fd7a285e	49	if (debug) {
7d563a17	50	fprintf(stderr, "%s: ", fn);
fd7a285e	51	vfprintf(stderr, format, args);
7d563a17	52	} else {
fd7a285e	53	vsyslog(priority, format, args);
7d563a17	54	}
8f6919e6	55	}
8f6919e6	56
fd7a285e KS	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 */
f907449e	80	static unsigned int cd_media;
fd7a285e KS	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;
fd7a285e KS	103	static unsigned int cd_media_session_next;
	104	static unsigned int cd_media_session_count;
	105	static unsigned int cd_media_track_count;
ec404619 KS	106	static unsigned int cd_media_track_count_data;
ec404619 KS	107	static unsigned int cd_media_track_count_audio;
fd7a285e KS	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
7d563a17	115	static void info_scsi_cmd_err(struct udev udev, char cmd, int err)
fd7a285e KS	116	{
fd7a285e KS	117	if (err == -1) {
7d563a17	118	info(udev, "%s failed\n", cmd);
fd7a285e KS	119	return;
fd7a285e KS	120	}
7d563a17	121	info(udev, "%s failed with SK=%Xh/ASC=%02Xh/ACQ=%02Xh\n", cmd, SK(err), ASC(err), ASCQ(err));
fd7a285e KS	122	}
	123
	124	struct scsi_cmd {
	125	struct cdrom_generic_command cgc;
	126	union {
	127	struct request_sense s;
	128	unsigned char u[18];
	129	} _sense;
	130	struct sg_io_hdr sg_io;
	131	};
	132
7d563a17	133	static void scsi_cmd_set(struct udev udev, struct scsi_cmd cmd, size_t i, int arg)
fd7a285e KS	134	{
	135	if (i == 0) {
	136	memset(cmd, 0x00, sizeof(struct scsi_cmd));
	137	cmd->cgc.quiet = 1;
	138	cmd->cgc.sense = &cmd->_sense.s;
	139	memset(&cmd->sg_io, 0, sizeof(cmd->sg_io));
	140	cmd->sg_io.interface_id = 'S';
	141	cmd->sg_io.mx_sb_len = sizeof(cmd->_sense);
	142	cmd->sg_io.cmdp = cmd->cgc.cmd;
	143	cmd->sg_io.sbp = cmd->_sense.u;
	144	cmd->sg_io.flags = SG_FLAG_LUN_INHIBIT \| SG_FLAG_DIRECT_IO;
	145	}
	146	cmd->sg_io.cmd_len = i + 1;
	147	cmd->cgc.cmd[i] = arg;
	148	}
	149
	150	#define CHECK_CONDITION 0x01
	151
7d563a17	152	static int scsi_cmd_run(struct udev udev, struct scsi_cmd cmd, int fd, unsigned char *buf, size_t bufsize)
fd7a285e KS	153	{
	154	int ret = 0;
	155
	156	cmd->sg_io.dxferp = buf;
	157	cmd->sg_io.dxfer_len = bufsize;
	158	cmd->sg_io.dxfer_direction = SG_DXFER_FROM_DEV;
	159	if (ioctl(fd, SG_IO, &cmd->sg_io))
	160	return -1;
	161
	162	if ((cmd->sg_io.info & SG_INFO_OK_MASK) != SG_INFO_OK) {
	163	errno = EIO;
	164	ret = -1;
	165	if (cmd->sg_io.masked_status & CHECK_CONDITION) {
	166	ret = ERRCODE(cmd->_sense.u);
	167	if (ret == 0)
	168	ret = -1;
	169	}
	170	}
	171	return ret;
	172	}
	173
7d563a17	174	static int cd_capability_compat(struct udev *udev, int fd)
fd7a285e	175	{
214a6c79	176	int capability;
fd7a285e	177
214a6c79 AJ	178	capability = ioctl(fd, CDROM_GET_CAPABILITY, NULL);
214a6c79 AJ	179	if (capability < 0) {
7d563a17	180	info(udev, "CDROM_GET_CAPABILITY failed\n");
fd7a285e KS	181	return -1;
	182	}
	183
214a6c79	184	if (capability & CDC_CD_R)
fd7a285e	185	cd_cd_r = 1;
214a6c79	186	if (capability & CDC_CD_RW)
fd7a285e	187	cd_cd_rw = 1;
214a6c79	188	if (capability & CDC_DVD)
fd7a285e	189	cd_dvd_rom = 1;
214a6c79	190	if (capability & CDC_DVD_R)
fd7a285e	191	cd_dvd_r = 1;
214a6c79	192	if (capability & CDC_DVD_RAM)
fd7a285e	193	cd_dvd_ram = 1;
214a6c79	194	if (capability & CDC_MRW)
fd7a285e	195	cd_mrw = 1;
214a6c79	196	if (capability & CDC_MRW_W)
fd7a285e KS	197	cd_mrw_w = 1;
	198	return 0;
	199	}
	200
d6f0b22d KS	201	static int cd_media_compat(struct udev *udev, int fd)
	202	{
	203	if (ioctl(fd, CDROM_DRIVE_STATUS, CDSL_CURRENT) != CDS_DISC_OK) {
	204	info(udev, "CDROM_DRIVE_STATUS != CDS_DISC_OK\n");
	205	return -1;
	206	}
	207	cd_media = 1;
	208	return 0;
	209	}
	210
7d563a17	211	static int cd_inquiry(struct udev *udev, int fd) {
fd7a285e KS	212	struct scsi_cmd sc;
	213	unsigned char inq[128];
	214	int err;
	215
7d563a17 KS	216	scsi_cmd_set(udev, &sc, 0, 0x12);
	217	scsi_cmd_set(udev, &sc, 4, 36);
	218	scsi_cmd_set(udev, &sc, 5, 0);
	219	err = scsi_cmd_run(udev, &sc, fd, inq, 36);
fd7a285e	220	if ((err < 0)) {
7d563a17	221	info_scsi_cmd_err(udev, "INQUIRY", err);
fd7a285e KS	222	return -1;
	223	}
	224
	225	if ((inq[0] & 0x1F) != 5) {
7d563a17	226	info(udev, "not an MMC unit\n");
fd7a285e KS	227	return -1;
	228	}
	229
7d563a17	230	info(udev, "INQUIRY: [%.8s][%.16s][%.4s]\n", inq + 8, inq + 16, inq + 32);
fd7a285e KS	231	return 0;
	232	}
	233
7d563a17	234	static int cd_profiles(struct udev *udev, int fd)
fd7a285e KS	235	{
	236	struct scsi_cmd sc;
	237	unsigned char header[8];
	238	unsigned char profiles[512];
	239	unsigned int cur_profile;
	240	unsigned int len;
	241	unsigned int i;
	242	int err;
	243
7d563a17 KS	244	scsi_cmd_set(udev, &sc, 0, 0x46);
	245	scsi_cmd_set(udev, &sc, 1, 0);
	246	scsi_cmd_set(udev, &sc, 8, sizeof(header));
	247	scsi_cmd_set(udev, &sc, 9, 0);
	248	err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
fd7a285e	249	if ((err < 0)) {
7d563a17	250	info_scsi_cmd_err(udev, "GET CONFIGURATION", err);
fd7a285e KS	251	return -1;
	252	}
	253
	254	len = 4 + (header[0] << 24 \| header[1] << 16 \| header[2] << 8 \| header[3]);
7d563a17	255	info(udev, "GET CONFIGURATION: number of profiles %i\n", len);
fd7a285e	256	if (len > sizeof(profiles)) {
7d563a17	257	info(udev, "invalid number of profiles\n");
fd7a285e KS	258	return -1;
	259	}
	260
7d563a17 KS	261	scsi_cmd_set(udev, &sc, 0, 0x46);
	262	scsi_cmd_set(udev, &sc, 1, 1);
	263	scsi_cmd_set(udev, &sc, 6, len >> 16);
	264	scsi_cmd_set(udev, &sc, 7, len >> 8);
	265	scsi_cmd_set(udev, &sc, 8, len);
	266	scsi_cmd_set(udev, &sc, 9, 0);
	267	err = scsi_cmd_run(udev, &sc, fd, profiles, len);
fd7a285e	268	if ((err < 0)) {
7d563a17	269	info_scsi_cmd_err(udev, "GET CONFIGURATION", err);
fd7a285e KS	270	return -1;
	271	}
	272
	273	/* device profiles */
	274	for (i = 12; i < profiles[11]; i += 4) {
	275	unsigned int profile = (profiles[i] << 8 \| profiles[i + 1]);
	276	if (profile == 0)
	277	continue;
7d563a17	278	info(udev, "profile 0x%02x\n", profile);
fd7a285e KS	279
	280	switch (profile) {
	281	case 0x03:
	282	case 0x04:
	283	case 0x05:
	284	cd_mo = 1;
	285	break;
	286	case 0x10:
	287	cd_dvd_rom = 1;
	288	break;
	289	case 0x12:
	290	cd_dvd_ram = 1;
	291	break;
	292	case 0x13:
	293	case 0x14:
	294	cd_dvd_rw = 1;
	295	break;
	296	case 0x1B:
	297	cd_dvd_plus_r = 1;
	298	break;
	299	case 0x1A:
	300	cd_dvd_plus_rw = 1;
	301	break;
	302	case 0x2A:
	303	cd_dvd_plus_rw_dl = 1;
	304	break;
	305	case 0x2B:
	306	cd_dvd_plus_r_dl = 1;
	307	break;
	308	case 0x40:
	309	cd_bd = 1;
	310	break;
	311	case 0x41:
	312	case 0x42:
	313	cd_bd_r = 1;
	314	break;
	315	case 0x43:
	316	cd_bd_re = 1;
	317	break;
	318	case 0x50:
	319	cd_hddvd = 1;
	320	break;
	321	case 0x51:
	322	cd_hddvd_r = 1;
	323	break;
	324	case 0x52:
	325	cd_hddvd_rw = 1;
	326	break;
	327	default:
	328	break;
	329	}
	330	}
	331
	332	/* current media profile */
	333	cur_profile = header[6] << 8 \| header[7];
7d563a17	334	info(udev, "current profile 0x%02x\n", cur_profile);
fd7a285e	335	if (cur_profile == 0) {
7d563a17	336	info(udev, "no current profile, assuming no media\n");
fd7a285e KS	337	return -1;
	338	}
	339
f907449e KS	340	cd_media = 1;
f907449e KS	341
fd7a285e KS	342	switch (cur_profile) {
	343	case 0x03:
	344	case 0x04:
	345	case 0x05:
	346	cd_media_mo = 1;
	347	break;
	348	case 0x08:
	349	cd_media_cd_rom = 1;
	350	break;
	351	case 0x09:
	352	cd_media_cd_r = 1;
	353	break;
	354	case 0x0a:
	355	cd_media_cd_rw = 1;
	356	break;
	357	case 0x10:
	358	cd_media_dvd_rom = 1;
	359	break;
	360	case 0x11:
	361	cd_media_dvd_r = 1;
	362	break;
	363	case 0x12:
	364	cd_media_dvd_ram = 1;
	365	break;
	366	case 0x13:
	367	case 0x14:
	368	cd_media_dvd_rw = 1;
	369	break;
	370	case 0x1B:
	371	cd_media_dvd_plus_r = 1;
	372	break;
	373	case 0x1A:
	374	cd_media_dvd_plus_rw = 1;
	375	break;
	376	case 0x2A:
	377	cd_media_dvd_plus_rw_dl = 1;
	378	break;
	379	case 0x2B:
	380	cd_media_dvd_plus_r_dl = 1;
	381	break;
	382	case 0x40:
	383	cd_media_bd = 1;
	384	break;
	385	case 0x41:
	386	case 0x42:
	387	cd_media_bd_r = 1;
	388	break;
	389	case 0x43:
	390	cd_media_bd_re = 1;
	391	break;
	392	case 0x50:
	393	cd_media_hddvd = 1;
	394	break;
	395	case 0x51:
	396	cd_media_hddvd_r = 1;
	397	break;
	398	case 0x52:
	399	cd_media_hddvd_rw = 1;
	400	break;
	401	default:
	402	break;
	403	}
	404	return 0;
	405	}
406
7d563a17	407	static int cd_media_info(struct udev *udev, int fd)
fd7a285e KS	408	{
	409	struct scsi_cmd sc;
	410	unsigned char header[32];
	411	static const char *media_status[] = {
	412	"blank",
	413	"appendable",
	414	"complete",
	415	"other"
	416	};
	417	int err;
	418
7d563a17 KS	419	scsi_cmd_set(udev, &sc, 0, 0x51);
	420	scsi_cmd_set(udev, &sc, 8, sizeof(header));
	421	scsi_cmd_set(udev, &sc, 9, 0);
	422	err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
fd7a285e	423	if ((err < 0)) {
7d563a17	424	info_scsi_cmd_err(udev, "READ DISC INFORMATION", err);
fd7a285e KS	425	return -1;
	426	};
	427
7d563a17	428	info(udev, "disk type %02x\n", header[8]);
fd7a285e	429
d3c8231e KS	430	/* exclude plain CDROM, some fake cdroms return 0 for "blank" media here */
d3c8231e KS	431	if (!cd_media_cd_rom && (header[2] & 3) < 4)
fd7a285e	432	cd_media_state = media_status[header[2] & 3];
d3c8231e	433
fd7a285e KS	434	if ((header[2] & 3) != 2)
	435	cd_media_session_next = header[10] << 8 \| header[5];
	436	cd_media_session_count = header[9] << 8 \| header[4];
	437	cd_media_track_count = header[11] << 8 \| header[6];
	438
	439	return 0;
	440	}
	441
7d563a17	442	static int cd_media_toc(struct udev *udev, int fd)
fd7a285e KS	443	{
	444	struct scsi_cmd sc;
	445	unsigned char header[12];
	446	unsigned char toc[2048];
	447	unsigned int len, i;
	448	unsigned char *p;
	449	int err;
	450
7d563a17 KS	451	scsi_cmd_set(udev, &sc, 0, 0x43);
	452	scsi_cmd_set(udev, &sc, 6, 1);
	453	scsi_cmd_set(udev, &sc, 8, sizeof(header));
	454	scsi_cmd_set(udev, &sc, 9, 0);
	455	err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
fd7a285e	456	if ((err < 0)) {
7d563a17	457	info_scsi_cmd_err(udev, "READ TOC", err);
fd7a285e KS	458	return -1;
	459	}
	460
	461	len = (header[0] << 8 \| header[1]) + 2;
7d563a17	462	info(udev, "READ TOC: len: %d\n", len);
fd7a285e KS	463	if (len > sizeof(toc))
fd7a285e KS	464	return -1;
9bbdf6eb	465	if (len < 2)
4cd71da5	466	return -1;
fd7a285e	467
9bbdf6eb KS	468	/* empty media has no tracks */
	469	if (len < 8)
	470	return 0;
	471
7d563a17 KS	472	scsi_cmd_set(udev, &sc, 0, 0x43);
	473	scsi_cmd_set(udev, &sc, 6, header[2]); /* First Track/Session Number */
	474	scsi_cmd_set(udev, &sc, 7, len >> 8);
	475	scsi_cmd_set(udev, &sc, 8, len);
	476	scsi_cmd_set(udev, &sc, 9, 0);
	477	err = scsi_cmd_run(udev, &sc, fd, toc, len);
fd7a285e	478	if ((err < 0)) {
7d563a17	479	info_scsi_cmd_err(udev, "READ TOC (tracks)", err);
fd7a285e KS	480	return -1;
	481	}
	482
	483	for (p = toc+4, i = 4; i < len-8; i += 8, p += 8) {
	484	unsigned int block;
ec404619 KS	485	unsigned int is_data_track;
	486
	487	is_data_track = (p[1] & 0x04) != 0;
fd7a285e KS	488
fd7a285e KS	489	block = p[4] << 24 \| p[5] << 16 \| p[6] << 8 \| p[7];
7d563a17	490	info(udev, "track=%u info=0x%x(%s) start_block=%u\n",
ec404619 KS	491	p[2], p[1] & 0x0f, is_data_track ? "data":"audio", block);
	492
	493	if (is_data_track)
	494	cd_media_track_count_data++;
	495	else
	496	cd_media_track_count_audio++;
fd7a285e KS	497	}
fd7a285e KS	498
7d563a17 KS	499	scsi_cmd_set(udev, &sc, 0, 0x43);
	500	scsi_cmd_set(udev, &sc, 2, 1); /* Session Info */
	501	scsi_cmd_set(udev, &sc, 8, 12);
	502	scsi_cmd_set(udev, &sc, 9, 0);
	503	err = scsi_cmd_run(udev, &sc, fd, header, sizeof(header));
fd7a285e	504	if ((err < 0)) {
7d563a17	505	info_scsi_cmd_err(udev, "READ TOC (multi session)", err);
fd7a285e KS	506	return -1;
	507	}
	508	len = header[4+4] << 24 \| header[4+5] << 16 \| header[4+6] << 8 \| header[4+7];
7d563a17	509	info(udev, "last track %u starts at block %u\n", header[4+2], len);
fd7a285e KS	510	cd_media_session_last_offset = (unsigned long long int)len * 2048;
	511	return 0;
	512	}
	513
8f6919e6 GKH	514	int main(int argc, char *argv[])
8f6919e6 GKH	515	{
7d563a17	516	struct udev *udev;
fd7a285e	517	static const struct option options[] = {
033e9f8c KS	518	{ "export", no_argument, NULL, 'x' },
	519	{ "debug", no_argument, NULL, 'd' },
	520	{ "help", no_argument, NULL, 'h' },
fd7a285e KS	521	{}
fd7a285e KS	522	};
8f6919e6	523	const char *node = NULL;
8f6919e6	524	int export = 0;
fd7a285e	525	int fd = -1;
8f6919e6	526	int rc = 0;
8f6919e6	527
7d563a17 KS	528	udev = udev_new();
	529	if (udev == NULL)
	530	goto exit;
	531
9060b066	532	udev_log_init("cdrom_id");
7d563a17	533	udev_set_log_fn(udev, log_fn);
8f6919e6	534
fd7a285e KS	535	while (1) {
fd7a285e KS	536	int option;
8f6919e6	537
fd7a285e KS	538	option = getopt_long(argc, argv, "dxh", options, NULL);
	539	if (option == -1)
	540	break;
	541
	542	switch (option) {
	543	case 'd':
	544	debug = 1;
7d563a17 KS	545	if (udev_get_log_priority(udev) < LOG_INFO)
7d563a17 KS	546	udev_set_log_priority(udev, LOG_INFO);
fd7a285e KS	547	break;
fd7a285e KS	548	case 'x':
8f6919e6	549	export = 1;
fd7a285e KS	550	break;
	551	case 'h':
	552	printf("Usage: cdrom_id [options] <device>\n"
953080ab KS	553	" --export export key/value pairs\n"
	554	" --debug debug to stderr\n"
	555	" --help print this help text\n\n");
fd7a285e KS	556	goto exit;
	557	default:
	558	rc = 1;
	559	goto exit;
	560	}
8f6919e6	561	}
fd7a285e KS	562
fd7a285e KS	563	node = argv[optind];
8f6919e6	564	if (!node) {
7d563a17	565	err(udev, "no device\n");
fd7a285e	566	fprintf(stderr, "no device\n");
8f6919e6 GKH	567	rc = 1;
	568	goto exit;
	569	}
	570
fd7a285e	571	fd = open(node, O_RDONLY \| O_NONBLOCK);
8f6919e6	572	if (fd < 0) {
7d563a17	573	info(udev, "unable to open '%s'\n", node);
e91ac78f	574	fprintf(stderr, "unable to open '%s'\n", node);
8f6919e6 GKH	575	rc = 1;
	576	goto exit;
	577	}
7d563a17	578	info(udev, "probing: '%s'\n", node);
fd7a285e KS	579
fd7a285e KS	580	/* same data as original cdrom_id */
7d563a17	581	if (cd_capability_compat(udev, fd) < 0) {
fd7a285e KS	582	rc = 1;
	583	goto exit;
	584	}
8f6919e6	585
d6f0b22d KS	586	/* check for media */
	587	if (cd_media_compat(udev, fd) < 0)
	588	goto print;
	589
	590	/* check if drive talks MMC */
55d8f5e2 KS	591	if (cd_inquiry(udev, fd) < 0)
55d8f5e2 KS	592	goto print;
8f6919e6	593
fd7a285e	594	/* read drive and possibly current profile */
7d563a17	595	if (cd_profiles(udev, fd) < 0)
fd7a285e KS	596	goto print;
	597
	598	/* get session/track info */
7d563a17	599	if (cd_media_toc(udev, fd) < 0)
fd7a285e	600	goto print;
8f6919e6	601
fd7a285e	602	/* get writable media state */
7d563a17	603	if (cd_media_info(udev, fd) < 0)
fd7a285e KS	604	goto print;
	605
	606	print:
	607	printf("ID_CDROM=1\n");
	608	if (cd_cd_rom)
	609	printf("ID_CDROM_CD=1\n");
	610	if (cd_cd_r)
8ee99e32	611	printf("ID_CDROM_CD_R=1\n");
fd7a285e	612	if (cd_cd_rw)
8ee99e32	613	printf("ID_CDROM_CD_RW=1\n");
fd7a285e	614	if (cd_dvd_rom)
8ee99e32	615	printf("ID_CDROM_DVD=1\n");
fd7a285e	616	if (cd_dvd_r)
8ee99e32	617	printf("ID_CDROM_DVD_R=1\n");
fd7a285e KS	618	if (cd_dvd_rw)
	619	printf("ID_CDROM_DVD_RW=1\n");
	620	if (cd_dvd_ram)
8ee99e32	621	printf("ID_CDROM_DVD_RAM=1\n");
fd7a285e KS	622	if (cd_dvd_plus_r)
	623	printf("ID_CDROM_DVD_PLUS_R=1\n");
	624	if (cd_dvd_plus_rw)
	625	printf("ID_CDROM_DVD_PLUS_RW=1\n");
	626	if (cd_dvd_plus_r_dl)
	627	printf("ID_CDROM_DVD_PLUS_R_DL=1\n");
	628	if (cd_dvd_plus_rw_dl)
	629	printf("ID_CDROM_DVD_PLUS_RW_DL=1\n");
	630	if (cd_bd)
	631	printf("ID_CDROM_BD=1\n");
	632	if (cd_bd_r)
	633	printf("ID_CDROM_BD_R=1\n");
	634	if (cd_bd_re)
	635	printf("ID_CDROM_BD_RE=1\n");
	636	if (cd_hddvd)
	637	printf("ID_CDROM_HDDVD=1\n");
	638	if (cd_hddvd_r)
	639	printf("ID_CDROM_HDDVD_R=1\n");
	640	if (cd_hddvd_rw)
	641	printf("ID_CDROM_HDDVD_RW=1\n");
	642	if (cd_mo)
	643	printf("ID_CDROM_MO=1\n");
	644	if (cd_mrw)
8ee99e32	645	printf("ID_CDROM_MRW=1\n");
fd7a285e	646	if (cd_mrw_w)
8ee99e32	647	printf("ID_CDROM_MRW_W=1\n");
5a64cea1	648
f907449e KS	649	if (cd_media)
f907449e KS	650	printf("ID_CDROM_MEDIA=1\n");
fd7a285e KS	651	if (cd_media_mo)
	652	printf("ID_CDROM_MEDIA_MO=1\n");
	653	if (cd_media_mrw)
	654	printf("ID_CDROM_MEDIA_MRW=1\n");
	655	if (cd_media_mrw_w)
	656	printf("ID_CDROM_MEDIA_MRW_W=1\n");
	657	if (cd_media_cd_rom)
	658	printf("ID_CDROM_MEDIA_CD=1\n");
	659	if (cd_media_cd_r)
	660	printf("ID_CDROM_MEDIA_CD_R=1\n");
	661	if (cd_media_cd_rw)
	662	printf("ID_CDROM_MEDIA_CD_RW=1\n");
	663	if (cd_media_dvd_rom)
	664	printf("ID_CDROM_MEDIA_DVD=1\n");
	665	if (cd_media_dvd_r)
	666	printf("ID_CDROM_MEDIA_DVD_R=1\n");
	667	if (cd_media_dvd_ram)
	668	printf("ID_CDROM_MEDIA_DVD_RAM=1\n");
	669	if (cd_media_dvd_rw)
	670	printf("ID_CDROM_MEDIA_DVD_RW=1\n");
	671	if (cd_media_dvd_plus_r)
	672	printf("ID_CDROM_MEDIA_DVD_PLUS_R=1\n");
	673	if (cd_media_dvd_plus_rw)
	674	printf("ID_CDROM_MEDIA_DVD_PLUS_RW=1\n");
	675	if (cd_media_dvd_plus_rw_dl)
	676	printf("ID_CDROM_MEDIA_DVD_PLUS_RW_DL=1\n");
	677	if (cd_media_dvd_plus_r_dl)
	678	printf("ID_CDROM_MEDIA_DVD_PLUS_R_DL=1\n");
	679	if (cd_media_bd)
	680	printf("ID_CDROM_MEDIA_BD=1\n");
	681	if (cd_media_bd_r)
	682	printf("ID_CDROM_MEDIA_BD_R=1\n");
	683	if (cd_media_bd_re)
	684	printf("ID_CDROM_MEDIA_BD_RE=1\n");
	685	if (cd_media_hddvd)
	686	printf("ID_CDROM_MEDIA_HDDVD=1\n");
	687	if (cd_media_hddvd_r)
	688	printf("ID_CDROM_MEDIA_HDDVD_R=1\n");
	689	if (cd_media_hddvd_rw)
	690	printf("ID_CDROM_MEDIA_HDDVD_RW=1\n");
	691
	692	if (cd_media_state != NULL)
	693	printf("ID_CDROM_MEDIA_STATE=%s\n", cd_media_state);
fd7a285e KS	694	if (cd_media_session_next > 0)
	695	printf("ID_CDROM_MEDIA_SESSION_NEXT=%d\n", cd_media_session_next);
	696	if (cd_media_session_count > 0)
	697	printf("ID_CDROM_MEDIA_SESSION_COUNT=%d\n", cd_media_session_count);
	698	if (cd_media_track_count > 0)
	699	printf("ID_CDROM_MEDIA_TRACK_COUNT=%d\n", cd_media_track_count);
f46a8a98	700	if (cd_media_track_count_audio > 0)
ec404619	701	printf("ID_CDROM_MEDIA_TRACK_COUNT_AUDIO=%d\n", cd_media_track_count_audio);
f46a8a98	702	if (cd_media_track_count_data > 0)
ec404619	703	printf("ID_CDROM_MEDIA_TRACK_COUNT_DATA=%d\n", cd_media_track_count_data);
f46a8a98	704	if (cd_media_session_last_offset > 0)
fd7a285e	705	printf("ID_CDROM_MEDIA_SESSION_LAST_OFFSET=%llu\n", cd_media_session_last_offset);
8f6919e6	706	exit:
fd7a285e KS	707	if (fd >= 0)
fd7a285e KS	708	close(fd);
7d563a17	709	udev_unref(udev);
9060b066	710	udev_log_close();
8f6919e6 GKH	711	return rc;
8f6919e6 GKH	712	}
fd7a285e	713