UMTP Responder Versions Save

• Storage : Global and per storage UID/GID override options :

  • Global and per storage UID/GID can be specified in the configuration file.

• Code fixes / improvements :

  • Message queue (-cmd: operations) possible issue fixed.
  • More checks added during the MTP operations.

• Storage : new flags and modes :

  • "locked" flag support.

  • "removable" flag support.

• New dynamic/runtime commands (umtprd -cmd:COMMAND) :

  • "lock"/"unlock" commands to dynamically lock/unlock lockable storage.

    Examples:

    Unlock all locked storage (set with the 'locked' option in the configuration file) :

    umtprd -cmd:unlock
    

    Lock all lockable storage (set with the 'locked' option in the configuration file) :

    umtprd -cmd:lock
    

  • "addstorage"/"rmstorage" commands to dynamically add/remove storage.

    Examples:

    umtprd '-cmd:addstorage:/tmp Tmp rw'
    

    umtprd '-cmd:rmstorage:Tmp'
    

    Use double-quotes when arguments have spaces in them:

    umtprd '-cmd:addstorage:/path "My Path" rw,removable'
    

    umtprd '-cmd:rmstorage:"My Path"'
    

• Added umask configuration entry and fix permissions on send objects.

• USB 3.0 SuperSpeed support.

• Supports files rename at the MTP device side.

• New "firmware_version" configuration field : set the MTP device info value.

• Many fixes and improvements :

  • Fix inotify for root folders when using multiple storage.

  • Add guard to avoid storage from being added twice.

  • Update the file size information to the dataset when modifying the file content.

  • Check that fs handles db is valid before using it to get entries.

  • Security fix : Fix the invalid ".." setObjectPropValue access trick.

  • Fix deadlock when SendObject / GetObjectHandles fail.

  • Fix permissions on newly created folders.

  • Configuration file : realign user usb buffers size.

  • Internal : Remove redundant code and possible double closedir issue. (Fix segmentation fault with uClibc).

  • Reduce the default max usb read/write buffer size to 8KB. (This is required by some SoCs, e.g. the iMX series)

  Many thanks to all the contributors !

• MTP Storage mount / unmount support (-cmd:mount:[store name] / -cmd:unmount:[store name] / ).

• Config file :

  • "storage" operation : new "notmounted" option.
  • New usb_max_rd_buffer_size option (iMX6 issue workaround).
  • New usb_max_wr_buffer_size option (iMX6 issue workaround).
  • New read_buffer_cache_size option (iMX6 issue workaround).

• Config file path can be changed in the command line (-conf:[Config file path]).

• Async/inotify event : Send file size changes.

• Fix : GadgetFs -> Handle unexpected disconnection while transferring a file.

• Fix : Shared multi-drives inotify events.

• Code fixes / improvements :

  • MTP operations : Better errors handling.
  • Code refactoring (MTP operations code separated).

• Major update ! : Now support all file operations !

• Config file : storage "rw"/"ro" parameter added to write protect a drive.

• Performance : Read and write throughput increased (~ 4x speedup).

• Fix >2GB files listing.

• Fix >2GB files access support on 32 bits systems.

• File read/write transfer cancel operation supported.

• Drives and objects properties support.

• New supported commands :

  • MTP_OPERATION_GET_PARTIAL_OBJECT_64
  • MTP_OPERATION_SEND_PARTIAL_OBJECT
  • MTP_OPERATION_BEGIN_EDIT_OBJECT
  • MTP_OPERATION_END_EDIT_OBJECT
  • MTP_OPERATION_TRUNCATE_OBJECT
  • MTP_REQ_CANCEL
  • MTP_REQ_RESET
  • MTP_REQ_GET_DEVICE_STATUS
  • MTP_OPERATION_GET_DEVICE_PROP_DESC
  • MTP_OPERATION_GET_DEVICE_PROP_VALUE
  • MTP_OPERATION_GET_OBJECT_REFERENCES
  • MTP_OPERATION_GET_OBJECT_PROP_LIST
  • MTP_OPERATION_GET_OBJECT_PROP_VALUE
  • MTP_OPERATION_SET_OBJECT_PROP_VALUE

• Many others fixes and improvements !

• MTP event support added : The MTP initiator is now notified when files/folders are removed or added from the responder.

• Various debug messages fixes and improvements.

• Generic FunctionFS/libcomposite support added !

• New configuration option : show/hide hidden files option.

• It now follows the symbolic links.

• Daemon mode :

  • New "loop_on_disconnect" config file option.

• Bug fixes / Improvements :

  • Windows host : Non-empty folder deletion issue fixed.

  • Severals memory leaks in daemon mode fixed.

  • GadgetFs init/deinit reworked.

Initial release.

Tested on Raspberry Pi Zero and Atmel Sama5D2 Xplained boards.