kernel-cdrecord.patch

   1 --- linux-2.6.8.1/drivers/block/scsi_ioctl.c    2004-08-16 21:44:53.000000000 +0200
   2 +++ linux/drivers/block/scsi_ioctl.c    2004-08-17 00:53:12.000000000 +0200
   3 @@ -156,6 +156,35 @@
   4                 safe_for_write(WRITE_16),
   5                 safe_for_write(WRITE_BUFFER),
   6                 safe_for_write(WRITE_LONG),
   7 +
   8 +                /* Some defs for recording CDs */
   9 +
  10 +                /* obsolete: 0x01 REZERO_UNIT, 0x5c READ_BUFFER */
  11 +               /*           used by k3b, but also work without */
  12 +
  13 +
  14 +                safe_for_read(GPCMD_GET_CONFIGURATION),
  15 +                safe_for_read(GPCMD_MODE_SELECT_10), /* read needed by k3b */
  16 +                safe_for_read(GPCMD_SET_SPEED), /* obsolete but often used */
  17 +                safe_for_read(GPCMD_LOAD_UNLOAD),
  18 +
  19 +                safe_for_write(GPCMD_PREVENT_ALLOW_MEDIUM_REMOVAL),
  20 +                safe_for_write(GPCMD_FLUSH_CACHE),
  21 +                safe_for_write(GPCMD_CLOSE_TRACK),
  22 +                safe_for_write(GPCMD_FORMAT_UNIT),
  23 +                safe_for_write(GPCMD_BLANK),
  24 +                safe_for_write(GPCMD_READ_FORMAT_CAPACITIES),
  25 +                safe_for_write(GPCMD_RESERVE_RZONE_TRACK),
  26 +                safe_for_write(GPCMD_SEND_KEY),
  27 +                safe_for_write(GPCMD_SEND_OPC),
  28 +                safe_for_write(GPCMD_SET_STREAMING),
  29 +
  30 +                /* possibly needed: 0x5d SEND_CUE_SHEET/SEND_EVENT*/
  31 +                /*                  0xbf SEND_DVD_STRUCTURE */
  32 +                /* but not defined yet in linux/cdrom.h */
  33 +
  34 +                safe_for_write(0x5d),
  35 +                safe_for_write(0xbf),
  36         };
  37         unsigned char type = cmd_type[cmd[0]];
  38
  39 @@ -173,6 +202,14 @@
  40         if (capable(CAP_SYS_RAWIO))
  41                 return 0;
  42
  43 +        /* Added for debugging*/
  44 +
  45 +       if(file->f_mode & FMODE_WRITE)
  46 +         printk(KERN_WARNING "SCSI-CMD Filter: 0x%x not allowed with write-mode\n",cmd[0]);
  47 +        else
  48 +          printk(KERN_WARNING "SCSI-CMD Filter: 0x%x not allowed with read-mode\n",cmd[0]);
  49 +
  50 +
  51         /* Otherwise fail it with an "Operation not permitted" */
  52         return -EPERM;
  53  }