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canonical names
We'll need this later when putting together RR serializations to
checksum.
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Change the iterator counter so that a different varable is used for each
invocation of the macro, so that it may be nested.
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It essentially does the same as dns_packet_append_raw_string(), hence
make it a wrapper around it.
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Dns label fixes + unrelated selinux clean-up
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Test fixes to run in ppc64 mock
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We need to check the same thing in multiple tests. Use a shared
macro to make it easier to update the list of errnos.
Change the errno code for "unitialized cgroup fs" for ENOMEDIUM.
Exec format error looks like something more serious.
This fixes test-execute invocation in mock.
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basic: re-sort includes
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My previous patch to only include what we use accidentially placed
the added inlcudes in non-sorted order.
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test-acl-util: fix two issues from review
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basic: include only what we use
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This is a cleaned up result of running iwyu but without forward
declarations on src/basic.
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https://github.com/systemd/systemd/pull/2063
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Let's merge access_init() and mac_selinux_access_init(), and only call
mac_selinux_use() once, inside the merged function, instead of multiple
times, including in the caller.
See comments on:
https://github.com/systemd/systemd/pull/2053
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Some calls used ENOBUFS to indicate too-short result buffers, others
used ENOSPC. Let's unify this on ENOBUFS.
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Let's better be safe than sorry.
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domain
The root domain consists of zero labels, and we should be able to encode
that.
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Make sure dns_name_normalize(), dns_name_concat(), dns_name_is_valid()
do not accept/generate invalidly long hostnames, i.e. longer than 253
characters.
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Labels of zero length are not OK, refuse them early on. The concept of a
"zero-length label" doesn't exist, a zero-length full domain name
however does (representing the root domain). See RFC 2181, Section 11.
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cgls: add a better error message for missing cgroupfs [v2]
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Two unrelated fixes
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journal: clean up permission setting and acl adjustements on user journals
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https://github.com/systemd/systemd/issues/1397
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This way, directories created later for containers or for
journald-remote, will be readable by adm & wheel groups by default,
similarly to /var/log/journal/%m itself.
https://github.com/systemd/systemd/issues/1971
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tree-wide: remove unused variables
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When we have non-owner user or group entries, we need the mask
for the acl to be valid. But acl_calc_mask() calculates the mask
to include all permissions, even those that were masked before.
Apparently this happens when we inherit *:r-x permissions from
a parent directory — the kernel sets *:r-x, mask:r--, effectively
masking the executable bit. acl_calc_mask() would set the mask:r-x,
effectively enabling the bit. To avoid this, be more conservative when
to add the mask entry: first iterate over all entries, and do nothing
if a mask.
This returns the code closer to J.A.Steffens' original version
in v204-90-g23ad4dd884.
Should fix https://github.com/systemd/systemd/issues/1977.
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For now, only add_acls_for_user is tested. When run under root, it
actually sets the acls. When run under non-root, it sets the acls for
the user, which does nothing, but at least calls the functions.
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Most of the function is moved to acl-util.c to make it possible to
add tests in subsequent commit.
Setting of the mode in server_fix_perms is removed:
- we either just created the file ourselves, and the permission be better right,
- or the file was already there, and we should not modify the permissions.
server_fix_perms is renamed to server_fix_acls to better reflect new
meaning, and made static because it is only used in one file.
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This renames __useless_struct_to_allow_trailing_semicolon__ everywhere
to _sd_useless_struct_to_allow_trailing_semicolon_, to follow our usual
rule of prefixing stuff from public headers that should be considered
internal with "_sd_".
While we are at it, also to be safe: when the struct is used in the C++
protector macros make sure to use two different names depending on
whether it appears in the C++ or C side of things. After all, there
might be compilers that don't consider C++ and C structs the same.
See https://github.com/systemd/systemd/pull/2052#discussion_r46067059
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Let's distuingish the cases where our code takes an active role in
selinux management, or just passively reports whatever selinux
properties are set.
mac_selinux_have() now checks whether selinux is around for the passive
stuff, and mac_selinux_use() for the active stuff. The latter checks the
former, plus also checks UID == 0, under the assumption that only when
we run priviliged selinux management really makes sense.
Fixes: #1941
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Make gcc cleanup helper calls public in most of our sd-xyz APIs
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resolved: add edns0 support
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The header file defines some helpers for GLIBC NSS and doesn't include
anything else but glibc headers, hence there's little reason to keep it
in shared/.
See: #2008
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GLIB has recently started to officially support the gcc cleanup
attribute in its public API, hence let's do the same for our APIs.
With this patch we'll define an xyz_unrefp() call for each public
xyz_unref() call, to make it easy to use inside a
__attribute__((cleanup())) expression. Then, all code is ported over to
make use of this.
The new calls are also documented in the man pages, with examples how to
use them (well, I only added docs where the _unref() call itself already
had docs, and the examples, only cover sd_bus_unrefp() and
sd_event_unrefp()).
This also renames sd_lldp_free() to sd_lldp_unref(), since that's how we
tend to call our destructors these days.
Note that this defines no public macro that wraps gcc's attribute and
makes it easier to use. While I think it's our duty in the library to
make our stuff easy to use, I figure it's not our duty to make gcc's own
features easy to use on its own. Most likely, client code which wants to
make use of this should define its own:
#define _cleanup_(function) __attribute__((cleanup(function)))
Or similar, to make the gcc feature easier to use.
Making this logic public has the benefit that we can remove three header
files whose only purpose was to define these functions internally.
See #2008.
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tests: don't run test on incomplete setup; use sync
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flush doesn't sync a journal -> tests sometimes fail
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core:execute: fix fork() fail handling in exec_spawn()
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This is a follow-up commit for
https://github.com/systemd/systemd/pull/1937
See https://github.com/systemd/systemd/pull/2030
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If pid < 0 after fork(), 0 is always returned because r =
exec_context_load_environment() has exited successfully.
This will make the caller of exec_spawn() not able to handle
the fork() error case and make systemd abort assert() possibly.
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drop warning if setting preset worked anyways
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Fix stdout stream parsing
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core: Do not bind a mount unit to a device, if it was from mountinfo
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core: allow 'SetUnitProperties()' to run on inactive units too
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