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Fixes #11255.
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Fixes #11261.
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Closes https://github.com/systemd/systemd/issues/11251.
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Commit 250e9fadbcc0ca90e697d7efb40855b054ed3b8f introduced
support for %j/%J specifier in unit files. The function
unit_name_printf is used in unit dependency resolution,
such as Wants / After directives, but was missing support
for the %j. Add to allow directives such as:
[Unit]
Wants=bar-%j.target
Fixes: systemd/systemd#11217
Signed-off-by: Patrick Williams <patrick@stwcx.xyz>
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NEWS and build system bump for 240
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Continuation of a3ebe5eb620e49f0d24082876cafc7579261e64f:
in other places we sometimes use assert_se(), and sometimes normal error
handling. sigfillset and sigaddset can only fail if mask is NULL (which cannot
happen if we are passing in a reference), or if the signal number is invalid
(which really shouldn't happen when we are using a constant like SIGCHLD. If
SIGCHLD is invalid, we have a bigger problem). So let's simplify things and
always use assert_se() in those cases.
In sigset_add_many() we could conceivably pass an invalid signal, so let's keep
normal error handling here. The caller can do assert_se() around the
sigprocmask_many() call if appropriate.
'>= 0' is used for consistency with the rest of the codebase.
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cgroup: Imply systemd.unified_cgroup_hierarchy=1 on cgroup_no_v1=all
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cgroup_no_v1=all doesn't make a whole lot of sense with legacy hierarchy
(where we use v1 hierarchy for everything), or hybrid hierarchy (where
we still use v1 hierarchy for resource control).
Right now we have to tell people to add both cgroup_no_v1=all and
systemd.unified_cgroup_hierarchy=1 to get the desired behaviour,
however in reality it's hard to imagine any situation where someone
passes cgroup_no_v1=all but *doesn't* want to use the unified cgroup
hierarchy.
Make it so that cgroup_no_v1=all produces intuitive behaviour in systemd
by default, although it can still be disabled by passing
systemd.unified_cgroup_hierarchy=0 explicitly.
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Until systemd/udev are ready for the new events and do not flush entire
device state on each new event received, we should ignore them.
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This reverts commit edda44605f06a41fb86b7ab8128dcf99161d2344.
The kernel explicitly supports resuming with a different kernel than the one
used before hibernation. If this is something that shouldn't be supported, the
place to change this is in the kernel. We shouldn't censor something that this
exclusively in the kernel's domain.
People might be using this to switch kernels without restaring programs, and
we'd break this functionality for them.
Also, even if resuming with a different kernel was a bad idea, we don't really
prevent that with this check, since most users have more than one kernel and
can freely pick a different one from the menu. So this only affected the corner
case where the kernel has been removed, but there is no reason to single it
out.
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resolved: beef up domain routing
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Also, do some minor updating.
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This simply reads from networkd's state files whether a link shall be
used as DNS default route.
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default route
Previously, we'd use a link as "default" route depending on whether
there are route-only domains defined on it or not. (If there are, it
would not be used as default route, if there aren't it would.)
Let's make this explicit and add a link variable controlling this. The
variable is not changeable from the outside yet, but subsequent commits
are supposed to add that.
Note that making this configurable adds a certain amount of redundancy,
as there are now two ways to ensure a link does not receive "default"
lookup (i.e. DNS queries matching no configured route):
1. By ensuring that at least one other link configures a route on it
(for example by add "." to its search list)
2. By setting this new boolean to false.
But this is exactly what is intended with this patch: that there is an
explicit way to configure on the link itself whether it receives
'default' traffic, rather than require this to be configured on other
links.
The variable added is a tri-state: if true, the link is suitable for
recieving "default" traffic. If false, the link is not suitable for it.
If unset (i.e. negative) the original logic of "has this route-only
routes" is used, to ensure compatibility with the status quo ante.
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dns_scope_has_route_only_domains()
The function dns_server_limited_domains() was very strange as it
enumerate the domains associated with a DnsScope object to determine
whether any "route-only" domains, but did so as a function associated
with a DnsServer object.
Let's clear this up, and replace it by a function associated with a
DnsScope instead. This makes more sense philosphically and allows us to
reduce the loops through which we need to jump to determine whether a
scope is suitable for default routing a bit.
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Previously, we'd return DNS_SCOPE_MAYBE for all domain lookups matching
LLMNR or mDNS. Let's upgrade this to DNS_SCOPE_YES, to make the binding
stronger.
The effect of this is that even if "local" is defined as routing domain
on some iface, we'll still lookup domains in local via mDNS — if mDNS is
turned on. This should not be limiting, as people who don't want such
lookups should turn off mDNS altogether, as it is useless if nothing is
routed to it.
This also has the nice benefit that mDNS/LLMR continue to work if people
use "~." as routing domain on some interface.
Similar for LLMNR and single label names.
Similar also for the link local IPv4 and IPv6 reverse lookups.
Fixes: #10125
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Fixes: #10830 #9825 #9472
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The _INVALID and _MAX enum fields should always use the full name of
thenum.
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This was forgotten when DoT was added.
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dhcp: don't enforce hardware address length for sd_dhcp_client_set_client_id()
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There are various functions to set the DUID of a DHCPv6 client.
However, none of them allows to set arbitrary data. The closest is
sd_dhcp6_client_set_duid(), which would still do validation of the
DUID's content via dhcp_validate_duid_len().
Relax the validation and only log a debug message if the DUID
does not validate.
Note that dhcp_validate_duid_len() already is not very strict. For example
with DUID_TYPE_LLT it only ensures that the length is suitable to contain
hwtype and time. It does not further check that the length of hwaddr is non-zero
or suitable for hwtype. Also, non-well-known DUID types are accepted for
extensibility. Why reject certain DUIDs but allowing clearly wrong formats
otherwise?
The validation and failure should happen earlier, when accepting the
unsuitable DUID. At that point, there is more context of what is wrong,
and a better failure reason (or warning) can be reported to the user. Rejecting
the DUID when setting up the DHCPv6 client seems not optimal, in particular
because the DHCPv6 client does not care about actual content of the
DUID and treats it as opaque blob.
Also, NetworkManager (which uses this code) allows to configure the entire
binary DUID in binary. It intentionally does not validate the binary
content any further. Hence, it needs to be able to set _invalid_ DUIDs,
provided that some basic constraints are satisfied (like the maximum length).
sd_dhcp6_client_set_duid() has two callers: both set the DUID obtained
from link_get_duid(), which comes from configuration.
`man networkd.conf` says: "The configured DHCP DUID should conform to
the specification in RFC 3315, RFC 6355.". It does not not state that
it MUST conform.
Note that dhcp_validate_duid_len() has another caller: DHCPv4's
dhcp_client_set_iaid_duid_internal(). In this case, continue with
strict validation, as the callers are more controlled. Also, there is
already sd_dhcp_client_set_client_id() which can be used to bypass
this check and set arbitrary client identifiers.
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sd_dhcp_client_set_client_id() is the only API for setting a raw client-id.
All other setters are more restricted and only allow to set a type 255 DUID.
Also, dhcp4_set_client_identifier() is the only caller, which already
does:
r = sd_dhcp_client_set_client_id(link->dhcp_client,
ARPHRD_ETHER,
(const uint8_t *) &link->mac,
sizeof(link->mac));
and hence ensures that the data length is indeed ETH_ALEN.
Drop additional input validation from sd_dhcp_client_set_client_id(). The client-id
is an opaque blob, and if a caller wishes to set type 1 (ethernet) or type 32
(infiniband) with unexpected address length, it should be allowed. The actual
client-id is not relevant to the DHCP client, and it's the responsibility of the
caller to generate a suitable client-id.
For example, in NetworkManager you can configure all the bytes of the
client-id, including such _invalid_ settings. I think it makes sense,
to allow the user to fully configure the identifier. Even if such configuration
would be rejected, it would be the responsibility of the higher layers (including
a sensible error message to the user) and not fail later during
sd_dhcp_client_set_client_id().
Still log a debug message if the length is unexpected.
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Infiniband addresses are 20 bytes (INFINIBAND_ALEN), but only the last
8 bytes are suitable for putting into the client-id.
This bug had no effect for networkd, because sd_dhcp_client_set_client_id()
has only one caller which always uses ARPHRD_ETHER type.
I was unable to find good references for why this is correct ([1]). Fedora/RHEL
has patches for ISC dhclient that also only use the last 8 bytes ([2], [3]).
RFC 4390 (Dynamic Host Configuration Protocol (DHCP) over InfiniBand) [4] does
not discuss the content of the client-id either.
[1] https://bugzilla.redhat.com/show_bug.cgi?id=1658057#c29
[2] https://bugzilla.redhat.com/show_bug.cgi?id=660681
[3] https://src.fedoraproject.org/rpms/dhcp/blob/3ccf3c8d815df4b8e11e1a04850975f099273d5d/f/dhcp-lpf-ib.patch
[4] https://tools.ietf.org/html/rfc4390
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All underlying glibc calls are free to return NULL if the size argument
is 0. We most often call those functions with a fixed argument, or at least
something which obviously cannot be zero, but it's too easy to forget.
E.g. coverity complains about "rows = new0(JsonVariant*, n_rows-1);" in
format-table.c There is an assert that n_rows > 0, so we could hit this
corner case here. Let's simplify callers and make those functions "safe".
CID #1397035.
The compiler is mostly able to optimize this away:
$ size build{,-opt}/src/shared/libsystemd-shared-239.so
(before)
text data bss dec hex filename
2643329 580940 3112 3227381 313ef5 build/src/shared/libsystemd-shared-239.so (-O0 -g)
2170013 578588 3089 2751690 29fcca build-opt/src/shared/libsystemd-shared-239.so (-03 -flto -g)
(after)
text data bss dec hex filename
2644017 580940 3112 3228069 3141a5 build/src/shared/libsystemd-shared-239.so
2170765 578588 3057 2752410 29ff9a build-opt/src/shared/libsystemd-shared-239.so
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CID #1397051.
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Suggested by Coverity.
Closes CID#1397033 and CID#1395708.
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I looked over the diff, and it seems it's only additions and fixes, no removals.
The diff for the source files is much bigger, but it seems that the sorting
code is working well.
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Which was disabled by #10117.
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Add accelerometer orientation quirk for the Point of View TAB-P1006W-232-3G
tablet.
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fileio: fix read_one_line() when reading bytes > 0x7F
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Fixes: #11218
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hwdb: Add support for HP ProBook 645 wifi and slash key
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tmpfiles: fix crash with NULL in arg_root and other fixes and tests
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Yu Watanabe
Evgeny Vereshchagin
rogerjames99
James Hilliard
Patrick Williams
Zbigniew Jędrzejewski-Szmek
Lennart Poettering
Chris Down
Dmitry Torokhov
Thomas Haller
Frantisek Sumsal
Hans de Goede
Jeremy Su
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