hi,
i'm not sure if i've discovered a bug or if i'm not following the
IMAP
specs correctly.
observations:
{ echo -en "a1 login foo bar\r\na2 notify set (subscribed (FlagChange
SubscriptionChange MessageNew MessageExpunge))\r\n"; cat - } | openssl
s_client -connect [my_dovecot_server]:993
produces the following output (aside from the openssl s_client
cert-inspection stuff):
2020-06-21 12:26:02 * OK [CAPABILITY IMAP4rev1 SASL-IR LOGIN-REFERRALS ID
ENABLE IDLE LITERAL+ AUTH=PLAIN AUTH=LOGIN] Dovecot (Debian) ready.
2020-06-21 12:26:02 a1 OK [CAPABILITY IMAP4rev1 SASL-IR LOGIN-REFERRALS ID
ENABLE IDLE SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS
THREAD=ORDEREDSUBJECT MULTIAPPEND URL-PARTIAL CATENATE UNSELECT CHILDREN
NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH ESORT
SEARCHRES WITHIN CONTEXT=SEARCH LIST-STATUS BINARY MOVE SNIPPET=FUZZY LITERAL+
NOTIFY SPECIAL-USE] Logged in
2020-06-21 12:26:02 a2 OK NOTIFY completed (0.005 + 0.000 + 0.004 secs).
2020-06-21 12:26:02 a2 OK NOTIFY completed (0.002 + 0.000 + 0.001 secs).
the first line is the pre-login welcome prompt, the second one the
result of the "a1 login .." command and the third and fourth seem to
be
the answer to the "a2 notify set .." command, twice. from the
different
timings given, it seems the a2 command is actually executed twice.
is this a case of "you're not allowed to pipeline commands like
this"
or a bug in dovecot (or both)?
i attached the output of `dovecot -n`.
best,
dario
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