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path: root/src/extras/cdrom_id/cdrom_id.c
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Diffstat (limited to 'src/extras/cdrom_id/cdrom_id.c')
-rw-r--r--src/extras/cdrom_id/cdrom_id.c1810
1 files changed, 905 insertions, 905 deletions
diff --git a/src/extras/cdrom_id/cdrom_id.c b/src/extras/cdrom_id/cdrom_id.c
index 664a00d2c7..daaebee14e 100644
--- a/src/extras/cdrom_id/cdrom_id.c
+++ b/src/extras/cdrom_id/cdrom_id.c
@@ -44,15 +44,15 @@
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)
+ 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);
- }
+ if (debug) {
+ fprintf(stderr, "%s: ", fn);
+ vfprintf(stderr, format, args);
+ } else {
+ vsyslog(priority, format, args);
+ }
}
/* device info */
@@ -110,990 +110,990 @@ 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)
+#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;
+ 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));
+ 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;
+ 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;
+ 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;
+ 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;
+ 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;
+ 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");
+ /* 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");
+ err = ioctl(fd, CDROM_LOCKDOOR, lock ? 1 : 0);
+ if (err < 0)
+ info(udev, "CDROM_LOCKDOOR failed\n");
- return err;
+ 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;
+ 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;
+ 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;
+ 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;
+ 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;
- }
+ 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;
+ 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;
+ 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;
- }
- }
+ 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;
+ 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");
- }
- }
+ 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;
+ /* "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;
+ 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
+ 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);
+ cd_media_compat(udev, fd);
- /* check if drive talks MMC */
- if (cd_inquiry(udev, fd) < 0)
- goto work;
+ /* 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;
+ /* 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 */
+ /* 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 session/track info */
+ cd_media_toc(udev, fd);
- /* get writable media state */
- cd_media_info(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);
+ /* 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;
+ if (fd >= 0)
+ close(fd);
+ udev_unref(udev);
+ udev_log_close();
+ return rc;
}
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-11-22 22:40:52 +0000