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This adds a dependency on Dovecot's LMTPd, which will bind to
to TCP port 10024 on the loopback interface.
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UID EXPUNGE|FETCH|STORE commands are now split into multiple (sequential)
commands when their set representation exceeds 4096 bytes in size. Without
splitting logic set representations could grow arbitrarily large, and
exceed the server's maximum command size.
This adds roundtrips which could be eliminated by pipelining, but it's
unlikely to make any difference in typical synchronization work. While set
representations seem to remain small in practice, they might grow
significantly if many non-contiguous UIDs were flagged and/or expunged, and
later synchronized at once.
Furthermore, for MULTIAPPEND-capable servers, the number of messages is
limited to 128 per APPEND command (also subject to a combined literal size of
1MiB like before).
These numbers are currently not configurable. They're intentionally lower
than Dovecot's default maximum command size (64k) in order to avoid a
deadlock situation after sending 8k-long commands under COMPRESS=DEFLATE:
https://dovecot.org/pipermail/dovecot/2019-November/117522.html .
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The UNCHANGEDSINCE test from the CONDSTORE extension was incorrectly
placed after the flag list in UID STORE commands. In practice this
meant the server didn't add the MODIFIED code when needed.
The server won't send an untagged FETCH command (and won't increase the
message's MODSEQ) if no change was made to the flag list. A panic() was
incorrectly triggered in that case.
When the flag list was set (by another client) to a superset of the UID
STORE command currently processed, the extra flags were not synchronized.
Cf. RFC 7162 sec. 3.1.3 ex. 10.
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A n-bytes set covers at least ⌊(n+1)/11⌋ UIDs (UIDs are at most 10 bytes
of size), hence 23 UIDs for 256 bytes long sets.
However we exceed it by another range, so in the worst case (if the the
higher UIDs are sparse) we'll sample ⌊(n+1)/11+1⌋ UIDs:
1000000000,1000000002,1000000004,…,1000000046
This was 6 UIDs for n=64 which is a tad low; this is now raised to 24
UIDs. The actual set size returned by sample() is of max size n+22
bytes (extra "$UID1:$UID2," where $UID1 and $UID2 are both ≥10⁹).
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We're using s///r which was introduced in 5.14, and hash slices which
were introduced in 5.20.
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An imapd is required as `doveadm exec imap` won't offer COMPRESS=DEFLATE
in its capability list.
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SSL connections are accepted on TCP port 10993. Also, fix STARTTLS
directive, broken since fba1c36…
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`test -f` deferences paths so fails on broken symlinks, yielding an
incorrect test environment and perhaps even a false negative.
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This can't be done with `doveadm exec imap`, so the IMAPd needs to bind
to TCP port 10143 on the loopback interface.
Also, no longer pass ‘imap_capability’ Dovecot setting explicitely to
`doveadm exec imap`; changed tests/sync-live-crippled to use type=imap
instead of type=tunnel.
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The value is passed to `/bin/sh -c` if it contains shell metacharacters;
otherwise it is split into words and the resulting list is passed to
execvp(3).
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Also, introduce new option 'logger-prefix' to determine the prefix of
each log line.
Closes: #942725.
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Cf. Compress::Raw::Zlib's documentation. Z_STREAM_END denotes a
successful state.
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(We don't need the function anymore once the handshake is established).
Otherwise the reference count of that IMAP client never gets to 0 before
the global destruction phase. For interimap, this causes traffic stats
to be printed not by the cleanup() function as intended, but just before
the program exits.
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RFC 2222 sec. 3 says that values are “from 1 to 20 characters in length,
consisting of upper-case letters, digits, hyphens, and/or underscores”
so we always upper-case the value.
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In --debug mode in order to avoid inadvertently receiving credentials in
bug reports. --debug can be set twice to spell out these commands in
full.
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Previously getpwuid() was called to determine the user's home directory,
while the XDG specification explicitely mentions $HOME.
Conveniently our docs always mentioned ~/, which on POSIX-compliant
systems expands to the value of the variable HOME (and the result is
unspecified when the variable is unset). Cf. Shell and Utilities volume
of POSIX.1-2017, sec. 2.6.1:
https://pubs.opengroup.org/onlinepubs/9699919799/utilities/V3_chap02.html#tag_18_06_01
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That is, without leading reference, and where the hierarchy delimiter is
replaced with null characters.
/!\ This changes breaks backward compatibility!
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Also, set tab size to 4 spaces in the HTML for consistency.
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In particular, move manpages to the 'doc' directory, and generate HTML
documentation with `make html`.
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Explaining how to setup a test environment for interimap(1) and
pullimap(1).
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The dumping quoting style differ between sqlite versions. Compensate
with re-dumping also the reference file
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`shuf -n1 -i1-99` produces a number between 1 and 99, hence `sleep
"0.$(shuf -n1 -i1-99)"` pauses for some time between 100ms and 990ms.
Moreover it's not uniformly distributed as multiples of 100ms (0.100,
0.200, …, 0.900) have twice the probability of other numbers.
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A random 128-bit UUID obtained from /proc/sys/kernel/random/uuid works
too but is Linux-specific and requires the proc(5) pseudo-filesystem to
be mounted at /proc.
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