Reclassify every rsync-compatibility row as parity / caveat / divergent
(replacing the misleading 143-OK / 0-divergence summary), and document the
protocol 2.23.0 behavior:
- Split the conflated `-M, --preserve` row: `-M` is `--remote-option`,
`--preserve` is the FastSync `-p`+`-t` alias.
- Fix `MAX_CONNECTION_MEMORY` (256 MiB, not 1 GB), `--rsync-path`
(client-only, never crosses the wire), and the `-p` mode behavior
(strict rsync parity; no masking).
- `--specials` now recreates sockets, so `-D` is real parity; fake-super
records the resolved owner and replays mode/time (never real-chowns).
- Document short options/clustering, checksum/compression choices, seed
randomization, timeout/max-alloc defaults, temp-dir confinement + EXDEV,
identity/map parity, verbatim symlinks, delete scoping, `--max-delete`
partial + exit 25, `--chmod`, output caveats, and server `--port`.
- Bump version refs to 2.23.0 and add the 2.23.0 CHANGELOG entry.
Docs-only; no source changes.
Split FastSync's single use_metadata bundle into four independent rsync-parity attributes: preserve_perms, preserve_times, preserve_owner, preserve_group. use_metadata is now a derived transport bit (config_derived_use_metadata).
CLI: real -p/--perms, -t/--times, -o/--owner, -g/--group plus --no-perms/--no-times/--no-owner/--no-group (short and long) and --no-preserve; -a is now rsync -rlptgoD; --preserve = -pt; -A implies -p; -X does not; --chmod implies -p; --usermap/--groupmap/--chown imply owner/group per side; --incremental/--delta still auto-preserve unless negated.
Receiver: per-attribute FileAttrPolicy gating for files, dirs (modes applied at end of transfer), symlinks and specials; rsync -E read-bit rule; new files get source_mode & ~umask sanitized (no group/other write); per-side identity resolution; deferred directory metadata; batch dir-metadata replay; daemon modules without 'client owner = yes' no longer refuse plain -a but force super off (no ownership) with a warning.
Wire: PROTOCOL_VERSION 2.21.0 -> 2.22.0 (four appended config bools, golden 653 / 95530566005420798). FileMetadata/chunk/batch framing unchanged. Docs/CHANGELOG/CMake updated to 2.22.0.
Bring README.md and RSYNC_COMPAT.md in line with the actual code/CLI and add
an automated guard so they cannot silently drift again.
Waves A-E:
- Correct stale compatibility claims: archive is `-rlptD` (owner/group are
opt-in via identity flags, not implied), and symlinks, hard links, xattrs,
ACLs and `--dirs` are implemented.
- Remove documented-but-nonexistent features: the six unread FASTSYNC_* env
vars, and `--client-cn` (server-only) from the client table.
- Repair the corrupted "Implementation Details" section (broken list numbering
and emphasis) and correct it against the source.
- Sync the client and server option tables with usage.c / server_cli.c, and
document server-contacting `--dry-run` (protocol 2.21.0).
- Hygiene: `# FastSync` heading, real build commands, consistent binary names,
runnable TLS examples, daemon module keys.
Also align the client `--help` / archive log wording and the RSYNC_COMPAT
archive rows with the opt-in ownership model, and add
tests/integration/test_readme_consistency.py (marked `ci`) asserting every
documented FASTSYNC_* var is read in src/ and every documented client/server
flag appears in the corresponding `--help`.
Re-review findings on the C3/C4 hardening branch:
- --stdio is the SSH transport whose remote argv is composed by the client
(including via --remote-option), so accepting --allow-super there let a
client defeat the C3 secure default for a root receiver. Reject it at CLI
parse time (standalone TCP only) and force the process-global flag off for
--stdio as defense in depth. Correct the help text and README/RSYNC_COMPAT:
the --stdio argv is client-composed, super stays off, and a forced command is
needed if the default must hold.
- daemon_conf: the per-module 'hosts allow'/'hosts deny' call sites passed
module_name and replace in the wrong order, so multiple lines replaced
instead of appended and the empty-value error omitted the module name. Pass
(module->name, false) like the global keys; add a unit test for two
per-module allow/deny lines appending.
- tls: read the client CN via ASN1_STRING_to_UTF8 so an exactly-required-length
name is accepted and only actual over-length CNs are rejected.
C2: --force is deletion authority (an incoming regular file may remove a
non-empty destination directory tree, and --delete-missing-args may
remove a non-empty directory mirror), but it was not masked by the
operator --allow-delete policy. The handler now clears
config->force_delete unless --allow-delete was given, exactly like
--delete and --delete-missing-args.
C3: a standalone TCP / --stdio server running as root defaulted to
SUPER_MODE_AUTO, so an untrusted client --devices/--write-devices/
--super could make it create device nodes, write raw devices, or apply
client-chosen ownership. A privileged standalone receiver now forces
SUPER_MODE_OFF unless the operator opts in with the new server-only
--allow-super flag. Non-root receivers are unchanged, and the daemon
path keeps its per-module `client owner = yes` gate. --allow-super is
rejected with --no-super or --daemon.
C6: tls_client_identity_allowed now rejects a CN whose reported length
reached the buffer bound, so a truncated over-long CN cannot be matched
by a required --client-cn prefix.
Tests: an integration regression proving --force cannot replace a
destination directory without --allow-delete; standalone-default tests
for --copy-as refusal and (root-only) skipped device creation; a CLI
unit test for the new flag. The integration shared_server fixture opts
in with --allow-super so the existing root-only ownership/device/copy-as
tests continue to exercise the opted-in configuration. README and
RSYNC_COMPAT document the flag and the force/delete gating.
Extend _snapshot_tree to record mode, inode, xattrs, directories and
special nodes, and add coverage proving a server-contacting --dry-run
leaves the destination structurally identical for --delay-updates,
--backup, symlinks, hardlinks, FIFOs, and daemon modules (including a
read-only module). Add a regression test for the --read-batch --dry-run
refusal and for a missing/non-directory receive root failing a dry-run
exactly like a real run.
Fix stale version comments (2.20.0/633 -> 2.21.0/637) and RSYNC_COMPAT's
current --protocol value, and add a unit assertion that
--server-port/--port (and --server-host) set the dry-run routing bit.
Today a server rejection sends a bare STATUS_ERROR and the reason only
reaches the server log, so the client cannot say why a transfer was
refused. Add an optional, bounded server->client error-detail frame:
- Status gains STATUS_ERROR_DETAIL appended LAST so existing wire
values are unchanged.
- send_error_detail(fd, msg) sends STATUS_ERROR_DETAIL followed by the
existing length-prefixed string primitive, slicing over-long messages
to MAX_ERROR_DETAIL_BYTES (4096).
- receive_status() (and the timed/keepalive status readers) always
consume the detail body and map the status back to STATUS_ERROR,
capturing the text into a thread-local buffer exposed by
protocol_last_error(); a bare STATUS_ERROR leaves it cleared. Every
existing call site keeps working and the stream cannot desync.
- Upgrade the daemon module gate / config validation (config.c), the
final transfer failure (server.c) and receiver-side path/node
validation (file_receive.c) to send a concrete reason; surface it on
the client in client_send.c/config.c.
- Bump PROTOCOL_VERSION to 2.21.0 (CMake VERSION, CHANGELOG, docs) and
update the pinned config wire golden hash / CLI-version tests.
- Add tests/test_protocol_error.c covering mapping+capture, the
over-long bound, bare-error clearing, and thread-locality.
--dry-run now handshakes with a remote/daemon receiver and reports what
WOULD transfer/skip based on receiver state, mutating nothing on either
side.
- Serialize Config.dry_run into the wire config frame and append
STATUS_DRY_RUN_TRANSFER to the status enum (no renumbering); bump
PROTOCOL_VERSION/CMake VERSION/CHANGELOG/golden wire to 2.21.0.
- Receiver: receive_incremental_check_ex runs the normal read-only
decision and answers STATUS_OK (skip) or STATUS_DRY_RUN_TRANSFER
(would transfer) with no basis materialization/append/delta/full
transfer. All mutation sites are guarded by !dry_run: file store,
manifest deletes, --mkpath root creation, --delay-updates staging,
publication, directory-time application, and outcome acks.
- Client: send_dry_run_remote connects, sends the config, checks each
regular file and prints the would-transfer set + trailer; no file data
or delete manifest is sent. Plain local destinations keep the
client-side manifest.
Every client on loopback shares the 127.0.0.1 identity, so counting them
against 'max connections per host' or the default-on auth lockout lets one
local client deny service to all the others (and makes a shared-NAT/proxy
address a natural DoS vector for remote clients). Use
utils_fd_peer_is_local (fail-closed) in the daemon gate to exempt a
provably local peer from the per-source cap and the auth lockout while
keeping the per-module and global caps. Remote peers are unchanged.
Document the shared-NAT/proxy identity limitation and the loopback
exemption in README/RSYNC_COMPAT/CHANGELOG, update the integration test to
assert the exemption, and fix the README 'auth failure delay' cap (5000,
not 60000).
- server gate: the --allow-unauthenticated loopback allowance now requires
an actual plaintext connection (!gate_ctx->ssl), so a loopback TLS client
whose cert fails the --client-cn check is refused before any SCRAM
challenge instead of falling through the plaintext opt-in. Keep the
invalid-fd guard as belt-and-braces (unreachable after the policy check).
- test: rewrote test_wrong_client_cn_refused_before_auth_challenge to run
deterministically over 127.0.0.1 with --tls + --allow-unauthenticated and
a CA-valid wrong-CN client cert, asserting the gate refusal log and an
unchanged module tree (no skip).
- docs: --client-cn is mandatory with --tls; dummykey sidecar is secret
material; document all transient-fallback reasons; qualify
--allow-unauthenticated in README and --help so it cannot read as
permitting remote plaintext auth.
- credentials.h: drop stale restrictive-umask claim (fchmod forces exact
0600; only create/write/fsync/link/fchmod failure degrades to ephemeral).
utils_fd_peer_is_local now returns true only when getpeername SUCCEEDS and the
peer address classifies as loopback. A non-socket descriptor (pipe/socketpair)
or any getpeername error is NOT local, so the daemon auth gate fails closed
instead of treating an untestable --stdio pipe as trusted (daemon auth modules
are --daemon-only and the stdio path never loads a daemon config).
server_module_gate now requires --allow-unauthenticated for the loopback
plaintext auth path: a plaintext loopback connection without the operator
opt-in is refused at the config gate BEFORE server_auth_handshake, so no SCRAM
challenge is sent. Remote peers still require verified TLS regardless of the
flag; the handler keeps its defense-in-depth checks.
Docs state the exact policy (verified TLS with matching --client-cn, or
operator-opted-in loopback plaintext), drop the SSH/stdio auth-transport claim
(they are daemon-only), and add the loopback trust-boundary relay caveat and
the CN-only (no SAN) residual. Adds a unit-test negative for pipe/socketpair
and an integration test where a relay observes no challenge when the flag is
absent.
Address review findings on the persistent dummy-key sidecar:
- Publish atomically: write a private same-directory temp file
(<store>.dummykey.tmp.<pid>, 0600), fsync, then link(2) into place;
fsync the containing directory and drop the temp name. A concurrent
starter can no longer observe a zero/partial sidecar and fail closed.
On EEXIST adopt the winner's sidecar; otherwise warn and use a
transient ephemeral key.
- Harden the read path (initial and EEXIST-adopt) with
O_RDONLY|O_NOFOLLOW|O_NONBLOCK|O_CLOEXEC: reject planted symlinks
(ELOOP fails closed) and never block on a planted FIFO.
- Require the exact owner-only mode (st_mode & 07777) == 0600 and make
the rejection message truthful.
- Report a clear "short write" instead of a stale strerror(errno) when
write() returns 0.
- Document the artifact and its creation-failure caveat (FIFO store
path, read-only filesystem, missing directory) in README.md and
RSYNC_COMPAT.md.
- Tests: known-key sidecar adoption (dummy salt KAT + reload), symlink
rejection, and the exact-0600 rule (0400 now rejected).
Daemon modules that declare 'auth users' no longer accept credentials over a
remote plaintext connection: server_module_gate refuses at the config gate,
before any SCRAM challenge is sent, unless the connection is verified TLS with
a client certificate matching --client-cn, or a local/SSH transport (loopback
TCP peer or the --stdio pipe). --allow-unauthenticated does not relax this.
The TLS client-CN comparison now uses credentials_secure_equal (S2). Clients
sending --password-file to a non-loopback daemon must use --tls; validate_config
rejects the plaintext case before any network I/O.
Adds utils_sockaddr_is_loopback / utils_fd_peer_is_local / utils_host_is_loopback
helpers with unit tests, a client validation unit test, and integration tests
for the client-side plaintext rejection and the wrong-CN gate refusal.
The store-wide dummy key was regenerated on every credentials_load, so an
unknown user's dummy salt changed across daemon restarts while a real user's
stored salt stayed stable -- a restart-gated username-enumeration oracle.
Persist the 32-byte key in a 0600 <store>.dummykey sidecar next to the
credential store. An absent sidecar is created with O_EXCL and fsynced; a
present sidecar is read only when it is an owner-only regular file of exactly
32 bytes (otherwise the load fails closed). If the sidecar cannot be created
(read-only mount, missing directory) fall back to a transient per-run key with
a warning. A NULL store path keeps the key ephemeral.
- burn the store-wide dummy_key in credentials_free()
- burn the local mac on hmac_sha256 failure in credentials_get_verifier()
- always run the O(store) constant-time scan, even for off-list users, to
close the pre-existing off-list timing channel; select the real verifier
only when on_list && match
- clarify the server_auth_handshake STATUS_AUTH_FAILED comment (failure
before success vs. a dropped broken connection while writing the signature)
- document accepted anti-enumeration residuals (restart-gated dummy salt;
pre-auth-observable iteration count)
- tests: pass CREDENTIAL_KEY_LEN to unhex for the 32-byte KAT proof/sig
(sizeof(expect) is 348, over-reading the 65-byte hex literal under ASan)
- credentials: close the username-enumeration oracle with a store-wide
dummy_key and a deterministic per-username dummy salt; make the store's
iteration count uniform (reject intra-file and layered disagreements) and
answer a miss with the store-wide count; run the constant-time key compare
even when found=false and fold the decision with bitwise AND
- credentials_compute_keys: enforce [CREDENTIAL_MIN_ITERS, CREDENTIAL_MAX_ITERS]
- tests: recompute the whole KAT independently at CREDENTIAL_DEFAULT_ITERS
(600000) and pin the golden store line; add non-uniform-store rejection,
bound and deterministic-dummy-salt assertions
- server: send exactly one generic STATUS_AUTH_FAILED on every failure path
(including credentials_get_verifier failure); route all handshake exits
through one burn path
- credentials/server: burn the base64 decoders' scratch on error, the
hash_store_line base64/line buffers on failure, and all handshake key/proof
material
- fuzz: guard the auth-offset scan against size_t underflow and use a found flag
- docs: drop stale digest wording, use CREDENTIAL_MIN_ITERS as the --iterations
bound, document 0600 output for --hash-credentials (plus a stderr warning on
a group/other-accessible stdout file), and describe the deterministic dummy
salt in the no-oracle claims
- server_module_gate: refuse client-chosen ownership against the ORIGINAL config
so an explicit --super is still refused under an operator --no-super veto
(the veto must not turn a refusal into an accept).
- credentials: open-then-fstat the exact secret inode, require current-user
ownership and no group/other bits, but continue to allow process-substitution
FIFOs; removes the stat->fopen TOCTOU.
- file.c preallocate + protocol.c send-string debug logs escape attacker paths.
- usage/RSYNC_COMPAT updated for --old-args no-op and secret-file rules.
- H3: a daemon module without 'client owner = yes' now also has super-user
device activity forced off (char/block mknod, --write-devices), so a root
daemon can no longer be made to create/write raw devices under AUTO. The
entries are skipped, preserving ordinary -a pushes.
- H1/H2: propagate a failed required --copy-as chown from symlink metadata
restore and implicitly-created parent directories, so the entry (and run)
reports failure instead of a wrong-owner success.
- Docs/help/headers updated for A2/A3 and the device clamp; startup warning
spells out the client-owner risk.
- Tests: daemon device clamp (skipped without opt-in, created with opt-in),
updated --super/--fake-super expectations.
A1: daemon refuses every client-chosen ownership/super-user request
(--numeric-ids/--chown/--usermap/--groupmap/--fake-super/--copy-as/--super)
unless the selected module opts in with 'client owner = yes'.
A2: fake-super owner replay requires an explicit ownership identity policy.
A3: --super no longer implies --numeric-ids (ownership stays opt-in).
A5: a failed --copy-as chown marks the entry failed instead of reporting
success with the wrong owner.
Add the receiver-side --super / --no-super tri-state (Config->super_mode)
under the safe-subset + clear-refusal privilege model: FastSync never
elevates privileges, it only permits super-user attempts that are already
confined fd-relative below the authorized receive root.
- identity: privilege_super_permitted() gate (OFF=false, ON=true, AUTO follows
geteuid()==0); identity_apply_ownership/_link become no-ops when not
permitted; --super with no explicit identity policy implies raw numeric-id
preservation (explicit usermap/groupmap/chown/numeric-ids still win); warn
exactly once when --super is requested by a non-root receiver.
- file_receive: gate char/block device-node creation on the gate; FIFO/socket
handling is unchanged.
- wire: trailing super_mode int after the --iconv spec, validated 0..2 in
receive_privilege_options and validate_received_config; PROTOCOL_VERSION
2.17.0 -> 2.18.0; version-sensitive tests and docs updated.
- CLI: --super/--no-super parsed explicitly before the generic --no-* branch
(malformed --super=x rejected); usage text added.
- tests: config wire round-trip + invalid-value rejection, privilege-gate mode
unit test, CLI parse test, integration transfer + root-gated ownership
suppression/appliance tests.
- docs: RSYNC_COMPAT --super row + Wave E note, protocol mentions, README.
Force the receiver to apply the requested owner/group to every written
entry through the confined fd-relative identity path instead of switching
the process credentials (unsafe for the multithreaded receiver). An
unprivileged receiver refuses the transfer up front in server_module_gate,
before STATUS_OK, so no data is written with the wrong ownership.
- new Config fields copy_as_set/copy_as_uid/copy_as_gid + defaults
- identity_parse_copy_as (name/@N/* resolution, primary-gid default,
gid==uid fallback for numeric ids with no passwd entry); implies -M
- identity snapshot + highest-priority forcing in identity_resolve_targets
- identity_copy_as_refused() helper
- trailing config-frame block (presence int + two int32 ids, >=0 checked)
- PROTOCOL_VERSION 2.17.0 -> 2.18.0; version-sensitive tests updated
- unit tests for parse + wire round-trip/negative-id rejection
- integration TestCopyAs: unprivileged refusal + root chown assertion
- RSYNC_COMPAT.md --copy-as row updated (safe subset + divergence); README
protocol version refreshed
Review fixes for Phase 7 Wave D.
#1 (HIGH): STATUS_DIR_TIMES entries no longer create directories. A new
receiver-only File.dir_time_only flag marks dir-time entries; file_save_to_disk_full
short-circuits them as FILE_SAVE_SKIPPED before any device/dir branch, so the sink
still accumulates metadata into the deferred DirTimeList but creates nothing. Empty
source dirs stay untransferred (-a), -m/--prune-empty-dirs semantics are preserved,
and a pre-existing regular file/symlink at an empty-dir mirror path no longer aborts
the transfer. dir_time_list_apply fstatat()s the leaf (AT_SYMLINK_NOFOLLOW) and skips
absent/non-directory paths QUIETLY; only a real existing directory is stamped.
Also initialize File.dir_time_only in file_create() (uninitialised garbage otherwise).
#2 (MED): send_dir_times() chunks entries into repeated STATUS_DIR_TIMES frames of at
most MAX_MANIFEST_ENTRIES, matching the receiver's per-frame bound; the tautological
> INT_MAX check is gone.
#3 (LOW): dir_time_list_add() assigns each grown array right after its realloc (no
dangling) and advances capacity only after both succeed.
#4 (LOW): RSYNC_COMPAT.md -- STATUS_MKDIR carries metadata, dir times are transmitted
via STATUS_DIR_TIMES and applied at the end, empty dirs are still never created; -m
rationale, -O row and Wave D notes updated. Summary counts untouched.
#5 (LOW): integration tests for the three #1 scenarios (empty-dir non-creation under
-a and -a -m, collision non-abort), scanner test now covers empty-dir capture, and
test_file_restore_symlink_metadata asserts the positive apply path when supported.
PROTOCOL_VERSION stays 2.17.0; config-frame layout unchanged.
Wave D of Phase 7. Make -O/--omit-dir-times and -J/--omit-link-times real by
preserving directory and symlink times, and mark --secluded-args as an explicit
Impossible/Divergence no-op.
Wire: PROTOCOL_VERSION 2.16.0 -> 2.17.0. Adds a terminal STATUS_DIR_TIMES frame
(int count + (wire path, metadata) pairs) sent after all file data and the
optional delete manifest. STATUS_MKDIR also carries metadata for --dirs entries.
Config-frame layout is unchanged.
Sender: the recursive scanner captures every traversed source directory (both
DirectoryScanner and the parallel scanner root + workers, appends mutex-guarded)
into a shared list; the single-threaded and -m paths transmit it last.
Receiver: a DirTimeList accumulates received directory metadata and applies it
with fd-relative no-follow utimensat only at the very end -- after all children,
after the commit-style --delete, and after --delay-updates publication -- in the
single-threaded success frame and in server.c after the -m threads join. -O skips
the application. Symlink metadata is applied at link creation with
utimensat/fchownat/fchmodat AT_SYMLINK_NOFOLLOW; -J suppresses only link times.
identity_apply_ownership_link shares the identity resolver with the fd path.
Docs: -O/-J rows -> Implemented; --secluded-args -> Impossible/Divergence;
--protocol accepted/rejected values and Phase-6/7 notes updated.
Tests: unit (scanner dir capture, DirTimeList apply, symlink metadata, protocol
version values) and integration (dir mtime round-trip + -O, symlink mtime
round-trip + -J, independent suppression), parameterized over single/multithread.
- fake_super_restore_fd now sanitizes mode like metadata_mode (never grants
S_IWGRP|S_IWOTH; 0666 -> 0644), fixing a privilege regression
- --sparse takes precedence over --preallocate (skip posix_fallocate when
sparse) so holes are not re-allocated; docs corrected
- --partial retention disabled under --no_replace (ignore/existing) and only
marks write_attempted after the write begins (no empty-temp retention)
- accept --block-size=SIZE / --delta-block=SIZE inline forms; neutral messages
- fake-super EPERM/EACCES skipped silently (docs aligned); EINVAL still logged
- sparse unit test now memcmp's the full buffer; TestBlockSize integration keeps
the destination basis so delta is genuinely exercised
- unit 37/37, cppcheck 0, clang-format 0
- write_all_sparse: skips all-zero runs >= 4096 bytes via lseek(SEEK_CUR) and
ftruncates the final size, wired into the atomic temp+rename and --inplace
paths with no wire change (full image already in memory).
- --partial retention: on a save failure after the temp held data, rename the
already-written temp to the destination path (best-effort; falls through to
unlink; never retains when --partial is off) so --append/--append-verify can
resume; tested by forcing futimens EINVAL with an out-of-range nsec.
- --block-size aliases --delta-block; verified config->delta_block_size is
honored by the delta engine end-to-end (unit + integration tests).
- fake_super_restore_fd: parses and re-applies user.fastsync.stat fd-relative
(fchown best-effort/non-root skipped, fchmod, futimens); a save under
--fake-super now both records and re-applies.
- -N/--crtimes and --stderr=client promoted to a new 'Impossible/Divergence'
status bucket (Summary: 136/2/4/3/2 = 147).
- cppcheck/clang-format clean; unit 37/37; integration 407 passed.
- revert over-eager replacement of setfacl -m in test_features.py
- use --chunk-serialization (+ set dirs) in the two append/append-verify
chunk-serialization rejection unit tests so they exercise the real check
- rename archive-negation integration test (--no-preserve is inert under
archive because devices/specials force metadata)
- update stale (-c)/(-m)/(-s)/(-f) display labels and RSYNC_COMPAT -c/-m refs
- document the --no-perms negation limitation in the Wave A note
-c -> --checksum, -m -> --prune-empty-dirs, -M -> --remote-option,
-f -> --filter, -s -> --secluded-args, -p -> --perms, -T -> --temp-dir;
-a/--archive is now real rsync -rlptgoD (links+metadata+devices+specials).
FastSync's own flags moved to long-form-only or new shorts:
-j/--threads (multithreading), --preserve (metadata), --sendfile,
--chunk-serialization, --timeout, --ssh-port. Client-side only; the
wire config fields are unchanged (no PROTOCOL_VERSION bump). The server
keeps -p as its port. Docs (README, RSYNC_COMPAT summary 129->132) and
unit/integration tests updated. 37/37 unit, 400-pass integration.
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