IMAP command implementation status

[cbdevnet]

The following table gives some overview as to the current implementation status of various IMAP commands.

The frontend implementation consists of argument parsing and validation, followed by posting the command to the processing queue.

The backend implementation is the actual code carrying out the action on the backing database.

Command	Frontend	Backend	Valid State
NOOP	Working	Only round-tripped out of state NEW, should also send untagged Updates	all
LOGIN	Working	Working	NEW
AUTHENTICATE	Working	Working	NEW
LOGOUT	Working	Passed via client_close, Working	all
XYZZY	Working	Working	all
STARTTLS	Working	-	NEW
CAPABILITY	Working	-	all
SELECT	Working	Working but missing some responses	AUTHENTICATED
EXAMINE	Working	Working but missing some responses	AUTHENTICATED
CREATE	Working	Working but needs a sanity check	AUTHENTICATED
DELETE	Working	Working, might need a thorough reading of the spec	AUTHENTICATED
SUBSCRIBE	Working	Stubbed	AUTHENTICATED
UNSUBSCRIBE	Working	Stubbed	AUTHENTICATED
RENAME	Working	TODO	AUTHENTICATED
LIST	Working	TODO	AUTHENTICATED
LSUB	Working	Stubbed	AUTHENTICATED
STATUS	TODO	TODO	AUTHENTICATED
APPEND	TODO	TODO	AUTHENTICATED
CHECK	Working	TODO	SELECTED
CLOSE	Working	TODO	SELECTED
EXPUNGE	Working	TODO	SELECTED
SEARCH	TODO	TODO	SELECTED
FETCH	TODO	TODO	SELECTED
STORE	TODO	TODO	SELECTED
COPY	TODO	TODO	SELECTED
UID *	TODO	TODO	SELECTED

Note that state SELECTED is the same as AUTHENTICATED, but with an active mailbox selection