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mbed-os/features/frameworks/mbed-coap/CHANGELOG.md

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Change Log

v5.1.3

  • Fix potential integer overflow when calculating CoAP data packet size: IOTCLT-3748 CVE-2019-17211 - mbed-coap integer overflow
  • Fix buffer overflow when parsing CoAP message: IOTCLT-3749 CVE-2019-17212 - mbed-coap Buffer overflow

-Full Changelog

v5.1.2

  • Compiler warning cleanups.

-Full Changelog

v5.1.1

  • Delay the random initialization of message id to a later phase and not during init() so there is enough time for system to complete the rest of the initialization.

-Full Changelog

v5.1.0

  • Introduce SN_COAP_REDUCE_BLOCKWISE_HEAP_FOOTPRINT configuration flag. Flag is disabled by default to keep the backward compatibility in place. If flag is enabled, application must NOT free the payload when it gets the COAP_STATUS_PARSER_BLOCKWISE_MSG_RECEIVED status. And application must call sn_coap_protocol_block_remove() instead.

-Full Changelog

v5.0.0

  • Reduce heap footprint by storing only single block when receiving a blockwise message.
    • User is now responsible of freeing the data by calling sn_coap_protocol_block_remove() and must not free the payload separately.
  • Bug fix: Request blockwise transfer if incoming payload length is too large and when it comes without block indication.

-Full Changelog

v4.8.1

  • Store ACK's also into duplicate info list.
  • ROM size optimization. Flash size has gone down ~1100 bytes.

Closed issues:

  • IOTCLT-3592 - Client does not handle Duplicate ACK messages during blockwise registration correctly

-Full Changelog

v4.8.0

  • Make sn_coap_protocol_linked_list_duplication_info_remove API to public. User might want to delete some messages from the duplicate list.
  • Enable support for unified client configuration.

-Full Changelog

v4.7.4

  • Remove dependency to yotta tool
  • Do not remove stored (GET) blockwise message when EMPTY ACK received When non piggybacked response mode is used original GET request must not be removed from the stored message list. Message is needed for building the next (GET) blockwise message.
  • Move definitions to sn_config.h

-Full Changelog

v4.7.3

  • Do not store EMPTY response to blockwise list An Empty message only contains the 4-byte header so it does not require any blockwise operations. This will fix unneseccary message sending timeouts which leads mbed cloud client to do unnecessary reconnections which increases the network traffic.

-Full Changelog

v4.7.2

  • Fix handling of duplicate blockwise ACK's CoAP data buffer was not added into duplication info store when creating response for blockwise request. This leads to case where whole bootstrap flow just timeouts if received any duplicate messages during blockwise operation. Fixes error: IOTCLT-3188 - UDP connection fails for lost ACK sending

  • Remove error trace when building reset message without options This makes it possible to build the reset message without allocating option or getting error message.

-Full Changelog

v4.7.1

  • Fix CoAP stored blockwise message release and list continue Add re-scan routine goto if message is caused user callback This will fix hard fault when blockwise message sending timeouts. This happens cause same list is manipulated through rx callback.

-Full Changelog

v4.7.0

  • Add function that can be used to clear the received blockwise payloads for example in the case of a connection error.
  • Silence compiler warning when CoAP duplicate detection is enabled.

-Full Changelog

v4.6.3

  • Bug fix: Remove timed out blockwise message from resend queue. If blockwise message was timed out message was still kept in the resend queue which causes unnecessary reconnections on client side.
  • Documentation: Document all the available macros.

-Full Changelog

v4.6.2

Do not clear block2 in subsequent block request.

When sending a request with block2 option, eg. indicating need for response to be blockwised, copy the block2 option from the sent_blockwise list item so that the block2 option will be added to all requests. This fixes an issue where previously the block2 was only sent for the first blockwise request and not for the subsequent ones, including the last request. This made the response not follow the request block2 option.

-Full Changelog

v4.6.1

Closed issues:

  • IOTCLT-2900 - Blockwise handling leaking memory in some error cases

Fix unused parameter compiler warning when blockwise is not used.

-Full Changelog

v4.6.0

New feature:

  • Add new API which clears one item from the resend queue based on token

-Full Changelog

v4.5.1

Closed issues:

  • IOTCLT-2883 - Blockwise observations not completing

-Full Changelog

v4.5.0

Closed issues:

  • IIOTCLT-2769 - mbed-coap: extra response received after registration

Added own flag to enable blockwise support, without setting default blockwise payload size. This allows to receive blockwise messages while still sending without blockwise.

Fix CoAP request blockwise response handling When request is sent, response can have blockwise option set. All requests must be stored to the linked list.

-Full Changelog

v4.4.4

Closed issues:

  • IOTCLT-2638 [GitHub] hardfault during reconnection retry with Thread

-Full Changelog

v4.4.3

Closed issues:

  • IOTCLT-2506 [GitHub] Cannot set registration time if server does not use max age option

Extend blockwise message transfer status to have states for sending as well.

-Full Changelog

v4.4.2

Closed issues:

  • IOTCLT-2469 CoAP UDP retransmission does not work for blocks after first one for requests (Eg. registration POST)

-Full Changelog

v4.4.1

Closed issues:

  • IOTCLT-2539 Block wise messaging call-backs not working logically

Improve TCP+TLS transport layer to allow send larger messages without blockwising.

-Full Changelog

v4.4.0

New feature:

  • Make sn_coap_protocol_send_rst as public needed for CoAP ping sending
  • Allow disabling resendings by defining SN_COAP_DISABLE_RESENDINGS

-Full Changelog

v4.3.0

New feature:

  • Add new API which clears the whole sent blockwise message list

-Full Changelog

v4.2.0

New feature:

  • Add new API to remove sent blockwise message from the linked list

-Full Changelog

v4.1.1

Closed issues:

  • IOTCLT-2203 mbed-coap does not handle PUT or POST if they indicate a smaller block size preference (fixed regression)

-Full Changelog

v4.1.0

-Full Changelog

New feature:

  • New API to disable automatic GET(BLOCK2) request sending.

Closed issues:

  • IOTCLT-2203 mbed-coap does not handle PUT or POST if they indicate a smaller block size preference

v4.0.10

-Full Changelog

Closed issues:

  • IOTMAC-615 Node mDS registration failure during OTA transfer

v4.0.9

-Full Changelog

Closed issues:

  • IOTCLT-1899 Maximum COAP message resending buffer size limited to 255 bytes
  • IOTCLT-1888 Problem with blockwise transfers that are even increments of block_size

v4.0.8

-Full Changelog

Closed issues:

  • IOTCLT-1880 Lwm2m blockwise data transfer (using Block1 option) with Leshan not working
  • IOTCLT-1885 Return 4.08 Request Entity Incomplete on Block transfer errors
  • IOTCLT-1883 Detected message duplications stop mbed-client

v4.0.4

-Full Changelog

Closed issues: - https://github.com/ARMmbed/mbed-client/issues/481 - Obs Con blockwise fails to transmit 2nd block

v4.0.3

-Full Changelog

New feature

- CoAP Protocol Confirmable resend fix and minor memory optimization (IOTMAC-328)

Closed issues:

- IOTCLT-1439 - stuck in while loop

v4.0.0

New feature

  • Initial release of mbed-coap separated from mbed-client-c