If an Observe is de-registered, but an unsolicited Observe response is received
before the de-register response is received, then the unsolicited response
failed to get decrypted.
Add in optional callbacks for when dynamic resources are setup and deleted.
Add in optional callbacks for when observe subscriptions start and stop.
Add in optional callbacks for when the observe counter is updated (can be
ratelimited) for a resource as well as track when a resource is deleted.
Add is support for new functions
Main functions with libcoap tracking support are
coap_persist_startup()
coap_persist_stop()
coap-server has -t option to track observe information.
UDP sessions supported, as well as OSCORE over UDP.
Documentation updated
libcoap tracking support (as opposed to application tracking) is configurable.
Based on work done in https://gitlab.informatik.uni-bremen.de/obergman/libcoap
New directories with files
include/oscore
src/oscore
New files
include/coap3/coap_oscore.h
include/coap3/coap_crypto_internal.h
include/coap3/coap_oscore_internal.h
man/coap-oscore-conf.txt.in
man/coap_oscore.txt.in
src/coap_oscore.c
tests/test_oscore.c
tests/test_oscore.h
Supported by new option (enabled by default)
./configure --enable-oscore
cmake .. -DENABLE_OSCORE=ON
Requires a TLS library configured to do the OSCORE encryption and hashing.
Jon Shallow