merge udev/, libudev/, systemd/ files in src/; move extras/ to src/

1 files changed, 0 insertions, 1099 deletions

diff --git a/extras/cdrom_id/cdrom_id.c b/extras/cdrom_id/cdrom_id.c
deleted file mode 100644
index 664a00d2c7..0000000000
--- a/extras/cdrom_id/cdrom_id.c
+++ /dev/null
@@ -1,1099 +0,0 @@
-/*
- * cdrom_id - optical drive and media information prober
- *
- * Copyright (C) 2008-2010 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 <time.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 bool 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 = 0;
-static unsigned int cd_cd_r = 0;
-static unsigned int cd_cd_rw = 0;
-static unsigned int cd_dvd_rom = 0;
-static unsigned int cd_dvd_r = 0;
-static unsigned int cd_dvd_rw = 0;
-static unsigned int cd_dvd_ram = 0;
-static unsigned int cd_dvd_plus_r = 0;
-static unsigned int cd_dvd_plus_rw = 0;
-static unsigned int cd_dvd_plus_r_dl = 0;
-static unsigned int cd_dvd_plus_rw_dl = 0;
-static unsigned int cd_bd = 0;
-static unsigned int cd_bd_r = 0;
-static unsigned int cd_bd_re = 0;
-static unsigned int cd_hddvd = 0;
-static unsigned int cd_hddvd_r = 0;
-static unsigned int cd_hddvd_rw = 0;
-static unsigned int cd_mo = 0;
-static unsigned int cd_mrw = 0;
-static unsigned int cd_mrw_w = 0;
-
-/* media info */
-static unsigned int cd_media = 0;
-static unsigned int cd_media_cd_rom = 0;
-static unsigned int cd_media_cd_r = 0;
-static unsigned int cd_media_cd_rw = 0;
-static unsigned int cd_media_dvd_rom = 0;
-static unsigned int cd_media_dvd_r = 0;
-static unsigned int cd_media_dvd_rw = 0;
-static unsigned int cd_media_dvd_rw_ro = 0; /* restricted overwrite mode */
-static unsigned int cd_media_dvd_rw_seq = 0; /* sequential mode */
-static unsigned int cd_media_dvd_ram = 0;
-static unsigned int cd_media_dvd_plus_r = 0;
-static unsigned int cd_media_dvd_plus_rw = 0;
-static unsigned int cd_media_dvd_plus_r_dl = 0;
-static unsigned int cd_media_dvd_plus_rw_dl = 0;
-static unsigned int cd_media_bd = 0;
-static unsigned int cd_media_bd_r = 0;
-static unsigned int cd_media_bd_re = 0;
-static unsigned int cd_media_hddvd = 0;
-static unsigned int cd_media_hddvd_r = 0;
-static unsigned int cd_media_hddvd_rw = 0;
-static unsigned int cd_media_mo = 0;
-static unsigned int cd_media_mrw = 0;
-static unsigned int cd_media_mrw_w = 0;
-
-static const char *cd_media_state = NULL;
-static unsigned int cd_media_session_next = 0;
-static unsigned int cd_media_session_count = 0;
-static unsigned int cd_media_track_count = 0;
-static unsigned int cd_media_track_count_data = 0;
-static unsigned int cd_media_track_count_audio = 0;
-static unsigned long long int cd_media_session_last_offset = 0;
-
-#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 int is_mounted(const char *device)
-{
-	struct stat statbuf;
-	FILE *fp;
-	int maj, min;
-	int mounted = 0;
-
-	if (stat(device, &statbuf) < 0)
-		return -ENODEV;
-
-	fp = fopen("/proc/self/mountinfo", "r");
-	if (fp == NULL)
-		return -ENOSYS;
-	while (fscanf(fp, "%*s %*s %i:%i %*[^\n]", &maj, &min) == 2) {
-		if (makedev(maj, min) == statbuf.st_rdev) {
-			mounted = 1;
-			break;
-		}
-	}
-	fclose(fp);
-	return mounted;
-}
-
-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_init(struct udev *udev, struct scsi_cmd *cmd)
-{
-	memset(cmd, 0x00, sizeof(struct scsi_cmd));
-	cmd->cgc.quiet = 1;
-	cmd->cgc.sense = &cmd->_sense.s;
-	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;
-}
-
-static void scsi_cmd_set(struct udev *udev, struct scsi_cmd *cmd, size_t i, unsigned char arg)
-{
-	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;
-
-	if (bufsize > 0) {
-		cmd->sg_io.dxferp = buf;
-		cmd->sg_io.dxfer_len = bufsize;
-		cmd->sg_io.dxfer_direction = SG_DXFER_FROM_DEV;
-	} else {
-		cmd->sg_io.dxfer_direction = SG_DXFER_NONE;
-	}
-	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 media_lock(struct udev *udev, int fd, bool lock)
-{
-	int err;
-
-	/* disable the kernel's lock logic */
-	err = ioctl(fd, CDROM_CLEAR_OPTIONS, CDO_LOCK);
-	if (err < 0)
-		info(udev, "CDROM_CLEAR_OPTIONS, CDO_LOCK failed\n");
-
-	err = ioctl(fd, CDROM_LOCKDOOR, lock ? 1 : 0);
-	if (err < 0)
-		info(udev, "CDROM_LOCKDOOR failed\n");
-
-	return err;
-}
-
-static int media_eject(struct udev *udev, int fd)
-{
-	struct scsi_cmd sc;
-	int err;
-
-	scsi_cmd_init(udev, &sc);
-	scsi_cmd_set(udev, &sc, 0, 0x1b);
-	scsi_cmd_set(udev, &sc, 4, 0x02);
-	scsi_cmd_set(udev, &sc, 5, 0);
-	err = scsi_cmd_run(udev, &sc, fd, NULL, 0);
-	if ((err != 0)) {
-		info_scsi_cmd_err(udev, "START_STOP_UNIT", err);
-		return -1;
-	}
-	return 0;
-}
-
-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_init(udev, &sc);
-	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 void feature_profile_media(struct udev *udev, int cur_profile)
-{
-	switch (cur_profile) {
-	case 0x03:
-	case 0x04:
-	case 0x05:
-		info(udev, "profile 0x%02x \n", cur_profile);
-		cd_media = 1;
-		cd_media_mo = 1;
-		break;
-	case 0x08:
-		info(udev, "profile 0x%02x media_cd_rom\n", cur_profile);
-		cd_media = 1;
-		cd_media_cd_rom = 1;
-		break;
-	case 0x09:
-		info(udev, "profile 0x%02x media_cd_r\n", cur_profile);
-		cd_media = 1;
-		cd_media_cd_r = 1;
-		break;
-	case 0x0a:
-		info(udev, "profile 0x%02x media_cd_rw\n", cur_profile);
-		cd_media = 1;
-		cd_media_cd_rw = 1;
-		break;
-	case 0x10:
-		info(udev, "profile 0x%02x media_dvd_ro\n", cur_profile);
-		cd_media = 1;
-		cd_media_dvd_rom = 1;
-		break;
-	case 0x11:
-		info(udev, "profile 0x%02x media_dvd_r\n", cur_profile);
-		cd_media = 1;
-		cd_media_dvd_r = 1;
-		break;
-	case 0x12:
-		info(udev, "profile 0x%02x media_dvd_ram\n", cur_profile);
-		cd_media = 1;
-		cd_media_dvd_ram = 1;
-		break;
-	case 0x13:
-		info(udev, "profile 0x%02x media_dvd_rw_ro\n", cur_profile);
-		cd_media = 1;
-		cd_media_dvd_rw = 1;
-		cd_media_dvd_rw_ro = 1;
-		break;
-	case 0x14:
-		info(udev, "profile 0x%02x media_dvd_rw_seq\n", cur_profile);
-		cd_media = 1;
-		cd_media_dvd_rw = 1;
-		cd_media_dvd_rw_seq = 1;
-		break;
-	case 0x1B:
-		info(udev, "profile 0x%02x media_dvd_plus_r\n", cur_profile);
-		cd_media = 1;
-		cd_media_dvd_plus_r = 1;
-		break;
-	case 0x1A:
-		info(udev, "profile 0x%02x media_dvd_plus_rw\n", cur_profile);
-		cd_media = 1;
-		cd_media_dvd_plus_rw = 1;
-		break;
-	case 0x2A:
-		info(udev, "profile 0x%02x media_dvd_plus_rw_dl\n", cur_profile);
-		cd_media = 1;
-		cd_media_dvd_plus_rw_dl = 1;
-		break;
-	case 0x2B:
-		info(udev, "profile 0x%02x media_dvd_plus_r_dl\n", cur_profile);
-		cd_media = 1;
-		cd_media_dvd_plus_r_dl = 1;
-		break;
-	case 0x40:
-		info(udev, "profile 0x%02x media_bd\n", cur_profile);
-		cd_media = 1;
-		cd_media_bd = 1;
-		break;
-	case 0x41:
-	case 0x42:
-		info(udev, "profile 0x%02x media_bd_r\n", cur_profile);
-		cd_media = 1;
-		cd_media_bd_r = 1;
-		break;
-	case 0x43:
-		info(udev, "profile 0x%02x media_bd_re\n", cur_profile);
-		cd_media = 1;
-		cd_media_bd_re = 1;
-		break;
-	case 0x50:
-		info(udev, "profile 0x%02x media_hddvd\n", cur_profile);
-		cd_media = 1;
-		cd_media_hddvd = 1;
-		break;
-	case 0x51:
-		info(udev, "profile 0x%02x media_hddvd_r\n", cur_profile);
-		cd_media = 1;
-		cd_media_hddvd_r = 1;
-		break;
-	case 0x52:
-		info(udev, "profile 0x%02x media_hddvd_rw\n", cur_profile);
-		cd_media = 1;
-		cd_media_hddvd_rw = 1;
-		break;
-	default:
-		info(udev, "profile 0x%02x <ignored>\n", cur_profile);
-		break;
-	}
-}
-
-static int feature_profiles(struct udev *udev, const unsigned char *profiles, size_t size)
-{
-	unsigned int i;
-
-	for (i = 0; i+4 <= size; i += 4) {
-		int profile;
-
-		profile = profiles[i] << 8 | profiles[i+1];
-		switch (profile) {
-		case 0x03:
-		case 0x04:
-		case 0x05:
-			info(udev, "profile 0x%02x mo\n", profile);
-			cd_mo = 1;
-			break;
-		case 0x08:
-			info(udev, "profile 0x%02x cd_rom\n", profile);
-			cd_cd_rom = 1;
-			break;
-		case 0x09:
-			info(udev, "profile 0x%02x cd_r\n", profile);
-			cd_cd_r = 1;
-			break;
-		case 0x0A:
-			info(udev, "profile 0x%02x cd_rw\n", profile);
-			cd_cd_rw = 1;
-			break;
-		case 0x10:
-			info(udev, "profile 0x%02x dvd_rom\n", profile);
-			cd_dvd_rom = 1;
-			break;
-		case 0x12:
-			info(udev, "profile 0x%02x dvd_ram\n", profile);
-			cd_dvd_ram = 1;
-			break;
-		case 0x13:
-		case 0x14:
-			info(udev, "profile 0x%02x dvd_rw\n", profile);
-			cd_dvd_rw = 1;
-			break;
-		case 0x1B:
-			info(udev, "profile 0x%02x dvd_plus_r\n", profile);
-			cd_dvd_plus_r = 1;
-			break;
-		case 0x1A:
-			info(udev, "profile 0x%02x dvd_plus_rw\n", profile);
-			cd_dvd_plus_rw = 1;
-			break;
-		case 0x2A:
-			info(udev, "profile 0x%02x dvd_plus_rw_dl\n", profile);
-			cd_dvd_plus_rw_dl = 1;
-			break;
-		case 0x2B:
-			info(udev, "profile 0x%02x dvd_plus_r_dl\n", profile);
-			cd_dvd_plus_r_dl = 1;
-			break;
-		case 0x40:
-			cd_bd = 1;
-			info(udev, "profile 0x%02x bd\n", profile);
-			break;
-		case 0x41:
-		case 0x42:
-			cd_bd_r = 1;
-			info(udev, "profile 0x%02x bd_r\n", profile);
-			break;
-		case 0x43:
-			cd_bd_re = 1;
-			info(udev, "profile 0x%02x bd_re\n", profile);
-			break;
-		case 0x50:
-			cd_hddvd = 1;
-			info(udev, "profile 0x%02x hddvd\n", profile);
-			break;
-		case 0x51:
-			cd_hddvd_r = 1;
-			info(udev, "profile 0x%02x hddvd_r\n", profile);
-			break;
-		case 0x52:
-			cd_hddvd_rw = 1;
-			info(udev, "profile 0x%02x hddvd_rw\n", profile);
-			break;
-		default:
-			info(udev, "profile 0x%02x <ignored>\n", profile);
-			break;
-		}
-	}
-	return 0;
-}
-
-/* returns 0 if media was detected */
-static int cd_profiles_old_mmc(struct udev *udev, int fd)
-{
-	struct scsi_cmd sc;
-	int err;
-
-	unsigned char header[32];
-
-	scsi_cmd_init(udev, &sc);
-	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);
-		if (cd_media == 1) {
-			info(udev, "no current profile, but disc is present; assuming CD-ROM\n");
-			cd_media_cd_rom = 1;
-			return 0;
-		} else {
-			info(udev, "no current profile, assuming no media\n");
-			return -1;
-		}
-	};
-
-	cd_media = 1;
-
-	if (header[2] & 16) {
-		cd_media_cd_rw = 1;
-		info(udev, "profile 0x0a media_cd_rw\n");
-	} else if ((header[2] & 3) < 2 && cd_cd_r) {
-		cd_media_cd_r = 1;
-		info(udev, "profile 0x09 media_cd_r\n");
-	} else {
-		cd_media_cd_rom = 1;
-		info(udev, "profile 0x08 media_cd_rom\n");
-	}
-	return 0;
-}
-
-/* returns 0 if media was detected */
-static int cd_profiles(struct udev *udev, int fd)
-{
-	struct scsi_cmd sc;
-	unsigned char features[65530];
-	unsigned int cur_profile = 0;
-	unsigned int len;
-	unsigned int i;
-	int err;
-	int ret;
-
-	ret = -1;
-
-	/* First query the current profile */
-	scsi_cmd_init(udev, &sc);
-	scsi_cmd_set(udev, &sc, 0, 0x46);
-	scsi_cmd_set(udev, &sc, 8, 8);
-	scsi_cmd_set(udev, &sc, 9, 0);
-	err = scsi_cmd_run(udev, &sc, fd, features, 8);
-	if ((err != 0)) {
-		info_scsi_cmd_err(udev, "GET CONFIGURATION", err);
-		/* handle pre-MMC2 drives which do not support GET CONFIGURATION */
-		if (SK(err) == 0x5 && ASC(err) == 0x20) {
-			info(udev, "drive is pre-MMC2 and does not support 46h get configuration command\n");
-			info(udev, "trying to work around the problem\n");
-			ret = cd_profiles_old_mmc(udev, fd);
-		}
-		goto out;
-	}
-
-	cur_profile = features[6] << 8 | features[7];
-	if (cur_profile > 0) {
-		info(udev, "current profile 0x%02x\n", cur_profile);
-		feature_profile_media (udev, cur_profile);
-		ret = 0; /* we have media */
-	} else {
-		info(udev, "no current profile, assuming no media\n");
-	}
-
-	len = features[0] << 24 | features[1] << 16 | features[2] << 8 | features[3];
-	info(udev, "GET CONFIGURATION: size of features buffer 0x%04x\n", len);
-
-	if (len > sizeof(features)) {
-		info(udev, "can not get features in a single query, truncating\n");
-		len = sizeof(features);
-	} else if (len <= 8) {
-		len = sizeof(features);
-	}
-
-	/* Now get the full feature buffer */
-	scsi_cmd_init(udev, &sc);
-	scsi_cmd_set(udev, &sc, 0, 0x46);
-	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, features, len);
-	if ((err != 0)) {
-		info_scsi_cmd_err(udev, "GET CONFIGURATION", err);
-		return -1;
-	}
-
-	/* parse the length once more, in case the drive decided to have other features suddenly :) */
-	len = features[0] << 24 | features[1] << 16 | features[2] << 8 | features[3];
-	info(udev, "GET CONFIGURATION: size of features buffer 0x%04x\n", len);
-
-	if (len > sizeof(features)) {
-		info(udev, "can not get features in a single query, truncating\n");
-		len = sizeof(features);
-	}
-
-	/* device features */
-	for (i = 8; i+4 < len; i += (4 + features[i+3])) {
-		unsigned int feature;
-
-		feature = features[i] << 8 | features[i+1];
-
-		switch (feature) {
-		case 0x00:
-			info(udev, "GET CONFIGURATION: feature 'profiles', with %i entries\n", features[i+3] / 4);
-			feature_profiles(udev, &features[i]+4, features[i+3]);
-			break;
-		default:
-			info(udev, "GET CONFIGURATION: feature 0x%04x <ignored>, with 0x%02x bytes\n", feature, features[i+3]);
-			break;
-		}
-	}
-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;
-	info(udev, "disk type %02x\n", header[8]);
-	info(udev, "hardware reported media status: %s\n", 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
-	 * "appendable"; change it to "blank" to make it consistent with what
-	 * gets reported after blanking, and what userspace expects  */
-	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
-	 * always "complete", DVD-RAM are "other" or "complete" if the disc is
-	 * write protected; we need to check the contents if it is blank */
-	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 result, len;
-		int block, 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];
-				info(udev, "write-protected DVD-RAM media inserted\n");
-				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) {
-				info(udev, "invalid format capacities length\n");
-				return -1;
-			}
-
-			switch(format[8] & 3) {
-			    case 1:
-				info(udev, "unformatted DVD-RAM media inserted\n");
-				/* This means that last format was interrupted
-				 * or failed, blank dvd-ram discs are factory
-				 * formatted. Take no action here as it takes
-				 * quite a while to reformat a dvd-ram and it's
-				 * not automatically started */
-				goto determined;
-
-			    case 2:
-				info(udev, "formatted DVD-RAM media inserted\n");
-				break;
-
-			    case 3:
-				cd_media = 0; //return no media
-				info(udev, "format capacities returned no media\n");
-				return -1;
-			}
-		}
-
-		/* Take a closer look at formatted media (unformatted DVD+RW
-		 * has "blank" status", DVD-RAM was examined earlier) and check
-		 * for ISO and UDF PVDs or a fs superblock presence and do it
-		 * in one ioctl (we need just sectors 0 and 16) */
-		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
-		 * eventually 0 (fat32 boot sector, ext2 superblock, etc), disc
-		 * is assumed non-blank */
-		result = 0;
-
-		for (block = 32768; block >= 0 && !result; block -= 32768) {
-			offset = block;
-			while (offset < (block + 2048) && !result) {
-				result = buffer [offset];
-				offset++;
-			}
-		}
-
-		if (!result) {
-			cd_media_state = media_status[0];
-			info(udev, "no data in blocks 0 or 16, assuming blank\n");
-		} else {
-			info(udev, "data in blocks 0 or 16, assuming complete\n");
-		}
-	}
-
-determined:
-	/* "other" is e. g. DVD-RAM, can't append sessions there; DVDs in
-	 * restricted overwrite mode can never append, only in sequential mode */
-	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;
-	info(udev, "READ TOC: len: %d, start track: %d, end track: %d\n", 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
-	 * the TOC, but also avoid going beyond the TOC length, just in case
-	 * the last track number is invalidly large */
-	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];
-		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_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];
-	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[] = {
-		{ "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;
-
-	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, "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':
-			debug = true;
-			if (udev_get_log_priority(udev) < LOG_INFO)
-				udev_set_log_priority(udev, LOG_INFO);
-			break;
-		case 'h':
-			printf("Usage: cdrom_id [options] <device>\n"
-			       "  --lock-media    lock the media (to enable eject request events)\n"
-			       "  --unlock-media  unlock the media\n"
-			       "  --eject-media   eject the media\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;
-	}
-
-	srand((unsigned int)getpid());
-	for (cnt = 20; cnt > 0; cnt--) {
-		struct timespec duration;
-
-		fd = open(node, O_RDONLY|O_NONBLOCK|(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) {
-		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 - don't bail if there's no media as we still need to
-         * to read profiles */
-	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) {
-		info(udev, "PREVENT_ALLOW_MEDIUM_REMOVAL (lock)\n");
-		media_lock(udev, fd, true);
-	}
-
-	if (unlock && cd_media) {
-		info(udev, "PREVENT_ALLOW_MEDIUM_REMOVAL (unlock)\n");
-		media_lock(udev, fd, false);
-	}
-
-	if (eject) {
-		info(udev, "PREVENT_ALLOW_MEDIUM_REMOVAL (unlock)\n");
-		media_lock(udev, fd, false);
-		info(udev, "START_STOP_UNIT (eject)\n");
-		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=%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_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=%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);
-exit:
-	if (fd >= 0)
-		close(fd);
-	udev_unref(udev);
-	udev_log_close();
-	return rc;
-}