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This also introduces a new macro siphash24_compress_byte() which is useful to add a single byte into the hash stream,
and ports one user over to it.
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The hash operations are not really that specific to hashmaps, hence split them into a .c module of their own.
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Let's be a bit more precise with the editor configuration and specify a higher fill column of 119. This isn't as emacs'
default of 70, but also not particularly high on today's screens.
While we are at it, also set a couple of other emacs C coding style variables.
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response
This implements RFC 5155, Section 8.8 and RFC 4035, Section 5.3.4:
When we receive a response with an RRset generated from a wildcard we
need to look for one NSEC/NSEC3 RR that proves that there's no explicit RR
around before we accept the wildcard RRset as response.
This patch does a couple of things: the validation calls will now
identify wildcard signatures for us, and let us know the RRSIG used (so
that the RRSIG's signer field let's us know what the wildcard was that
generate the entry). Moreover, when iterating trough the RRsets of a
response we now employ three phases instead of just two.
a) in the first phase we only look for DNSKEYs RRs
b) in the second phase we only look for NSEC RRs
c) in the third phase we look for all kinds of RRs
Phase a) is necessary, since DNSKEYs "unlock" more signatures for us,
hence we shouldn't assume a key is missing until all DNSKEY RRs have
been processed.
Phase b) is necessary since NSECs need to be validated before we can
validate wildcard RRs due to the logic explained above.
Phase c) validates everything else. This phase also handles RRsets that
cannot be fully validated and removes them or lets the transaction fail.
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There's now nsec3_hashed_domain_format() and nsec3_hashed_domain_make().
The former takes a hash value and formats it as domain, the latter takes
a domain name, hashes it and then invokes nsec3_hashed_domain_format().
This way we can reuse more code, as the formatting logic can be unified
between this call and another place.
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validated keys list
When validating a transaction we initially collect DNSKEY, DS, SOA RRs
in the "validated_keys" list, that we need for the proofs. This includes
DNSKEY and DS data from our trust anchor database. Quite possibly we
learn that some of these DNSKEY/DS RRs have been revoked between the
time we request and collect those additional RRs and we begin the
validation step. In this case we need to make sure that the respective
DS/DNSKEY RRs are removed again from our list. This patch adds that, and
strips known revoked trust anchor RRs from the validated list before we
begin the actual validation proof, and each time we add more DNSKEY
material to it while we are doing the proof.
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in labels
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Instead of first iterating through all DNSKEYs in the DnsAnswer in
dns_transaction_check_revoked_trust_anchors(), and
then doing that a second time in dns_trust_anchor_check_revoked(), do so
only once in the former, and pass the dnskey we found directly to the
latter.
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There's not reason to wait for checking for revoked trust anchors until
after validation, after all revoked DNSKEYs only need to be self-signed,
but not have a full trust chain.
This way, we can be sure that all trust anchor lookups we do during
validation already honour that some keys might have been revoked.
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Invert an "if" check, so that we can use "continue" rather than another
code block indentation.
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This increases compatibility with crappy Belkin routers.
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The domain name for this NSEC3 RR was originally stored in a variable
called "suffix", which was then renamed to "zone" in
d1511b3338f431de3c95a50a9c1aca297e0c0734. Hence also rename the
RR variable accordingly.
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smack: Handling network
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kmod-static-nodes: don't run if module list is empty
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doc typo, src: systemd/src/journal-remote/journal-gatewayd.c
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macro.h: improve IN_SET helper macro
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With this kmod commit, modules.devname will be empty by default instead of
containing just a comment:
https://git.kernel.org/cgit/utils/kernel/kmod/kmod.git/commit/?id=4c30a11d5f
Refine the startup condition of kmod-static-nodes.service to not run needlessly
if the list is empty.
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sd-netlink: fix assert
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Updated Ukrainian translation
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Rather than walking a list of valid values one-by-one, generate a
switch-case statement for the IN_SET() macro. This allows the compiler to
further optimize its code output, possibly by generating jump tables.
This effectively decreases the binary size slightly.
The implementation is based on macro overloading depending on the number of
arguments. h/t to the following post:
https://stackoverflow.com/questions/11761703/overloading-macro-on-number-of-arguments
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- Set Smack ambient to match run label
- Set Smack netlabel host rules
Set Smack ambient to match run label
------------------------------------
Set the Smack networking ambient label to match the
run label of systemd. System services may expect to
communicate with external services over IP. Setting
the ambient label assigns that label to IP packets
that do not include CIPSO headers. This allows systemd
and the services it spawns access to unlabeled IP
packets, and hence external services.
A system may choose to restrict network access to
particular services later in the startup process.
This is easily done by resetting the ambient label
elsewhere.
Set Smack netlabel host rules
-----------------------------
If SMACK_RUN_LABEL is defined set all other hosts to be
single label hosts at the specified label. Set the loopback
address to be a CIPSO host.
If any netlabel host rules are defined in /etc/smack/netlabel.d
install them into the smackfs netlabel interface.
[Patrick Ohly: copied from https://review.tizen.org/git/?p=platform/upstream/systemd.git;a=commit;h=db4f6c9a074644aa2bf]
[Patrick Ohly: adapt to write_string_file() change in "fileio: consolidate write_string_file*()"]
[Patrick Ohly: create write_netlabel_rules() based on the original write_rules() that was removed in "smack: support smack access change-rule"]
[Patrick Ohly: adapted to upstream code review feedback: error logging, string constants]
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The new implementation will not allow passing the same values more than
once, so clean up first.
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nl->fd can be 0.
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The stream event source has a priority of SD_EVENT_PRIORITY_NORMAL+5,
and stdout source +10, but the native and syslog event sources are left
at the default of 0.
As a result, any heavy native or syslog logger can cause starvation of
the other loggers. This is trivially demonstrated by running:
dd if=/dev/urandom bs=8k | od | systemd-cat & # native spammer
systemd-run echo hello & # stream logger
journalctl --follow --output=verbose --no-pager --identifier=echo &
... and wait, and wait, the "hello" never comes.
Now kill %1, "hello" arrives finally.
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journal-gatewayd: timeout journal wait to allow thread cleanup
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tests: test-resolve: wait until all queries are completed
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resolved: query_process_cname - make fully recursive
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This is a follow-up for 4a134c4903dbf6ef6c6a
Fixes:
$ ./test-resolve
209.132.183.105:80
209.132.183.105:80
canonical name: n/a
193.99.144.85:0
[2a02:2e0:3fe:1001:7777:772e:2:85]:0
canonical name: www.heise.de
Host: web.heise.de -- Serv: http
$ ./test-resolve
193.99.144.85:0
[2a02:2e0:3fe:1001:7777:772e:2:85]:0
canonical name: www.heise.de
Host: web.heise.de -- Serv: http
$ ./test-resolve
...
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Twelfth DNSSEC PR
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This ensures we properly resolve the CNAME chain as far as we can, rather
than only CNAME chains of length one.
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build-sys: valgrind-tests: exclude python scripts too
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On errors, mention the functions that really failed.
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Fstab gen fix device timeout
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tests: don't change hard limit in test-rlimit-util
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tests: add regression test for `systemctl restart systemd-journald`
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tests: use sd_bus_flush_close_unref instead of sd_bus_unref in test-bus-cleanup
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systemd-mailing-devs/1452047873-6043-1-git-send-email-hui.wang@canonical.com
keymap: remap microphone mute keycode for Lenovo Thinkcentre M800z
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This Lenovo machine use codec Line2 to implement a microphone mute
button, it depends on the unsolicited interrupt to generate key event,
the scan code for this button is assigned to 0x00 in the linux kernel
driver, and the keycode is KEY_MICMUTE(248), we need to remap this
keycode to KEY_F20 to make this hotkey work in X11.
BugLink: https://bugs.launchpad.net/bugs/1531362
Signed-off-by: Hui Wang <hui.wang@canonical.com>
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