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This is useful later when handling the truncation case: if we can't add
all RRs we'd like to add we need to set the TC bit, but still report the
number of RRs we added (and not the number of RRs we would have liked to
add) to the packet.
Let's beef up our parser a bit: let's store in the DnsAnswerFlags field
(that is stored as part of DnsAnswerItem) which DNS packet section (i.e.
answer, authoritative, additional) an RR originates from.
This is useful when propagating answers from an upstream DNS server
eventually, as we can place the data in the right sections downstream
too.
The more fields DnsAnswerItem gains the less sense it makes to pass
every field of it as separate parameter to an iterator macro. Let's
simplify things here, in preparation of adding more fields to the
structure later on: let's just return the structure itself in the loop,
rather than the individual fields.
This is a simple search&replace excercise: instead of accessing the
"key" field of the transaction directly, let's use a small inline helper
that does this for us.
This appears pointless for now, but this will become useful later when
we introduce "bypass" transactions, that reuse the original client DNS
packet for queries instead of synthesizing a packet of our own. In that
case transactions either have regular "key" field initialized as before,
or the "bypass" packet field instead. The new dns_transaction_key()
helper allows us to hide the differences for most cases as we can later
teach it to access the "bypass" packet's question key transparently.
No change in behaviour.
systemd-inhibit when invoked with a command line will put the whole
command line in the "who" field of the inhibitor lock. This can get
extremely long for shell expressions, making the table "systemd-inhibit
--list" shows ridiculously weirdly formatted. Let's put a limit on the
column width: half of the screen, not more.
If one field in a specific column has a maximum size limit, other fields
in the same column might affected by it and get less than they asked
for. Let's make sure we can handle this, and don't assert on this
because surprisingly we got less than what we asked for.
We have a number of issues where oss-fuzz reports input-independent crashes of
fuzz-journal-remote. Instead of asserting that stuff that allocated fds and
memory never fails, let's instead just return an error.
https://oss-fuzz.com/testcase-detail/4791099424112640https://oss-fuzz.com/testcase-detail/4531912477638656
I don't see any docs as to whether LLVMFuzzerTestOneInput() is allowed to
return non-zero. Propagating the error code is easiest, so let's just do that.
If it turns out that this causes oss-fuzz to still report a failure, we can
suppress that later.
glibc 2.33-3 shipped on 2021-02-06 breaks running Arch containers on
systems with older kernels (like Ubuntu Focal). Until the issue is
resolved, let's pin the Arch repositories to glibc 2.32-5 to mitigate
the annoying CI fails.
See: https://bugs.archlinux.org/task/69563
Setting of IPv6 Proxy NDP addresses must be done at the same
time as static addresses, static routes, and other link attributes
that must be configured when the link is up. Doing this ensures
that they are reconfigured on the link if the link goes down
and returns to service.
Unfortunately, strverscmp() from libc or str_verscmp() do not correctly
handle pre-release version, e.g. 247 vs 247~rc1.
This implement a new comparison function, which is based on the RPM's
rpmvercmp().
sd-boot has a copy of a subset of codes from libbasic. This makes
sd-boot share the code with libbasic, and dedup the code.
Note, startswith_no_case() is dropped from sd-boot, as
- it is not used,
- the previous implementation is not correct,
- gnu-efi does not have StrniCmp() or so.
Previously, even when writing e.g. /etc/hostname fails, the static
hostname in Context is not restored. So, the subsequent call of the same
method succeeds:
```
$ sudo chattr +i /etc/hostname
$ sudo hostnamectl --static set-hostname aaa
Could not set static hostname: Access denied
$ echo $?
1
$ sudo hostnamectl --static set-hostname aaa
$ echo $?
0
```
This makes when updating file is failed, the saved stat is cleared. So,
the static hostname or machine information in the context are always
consistent to the corresponding files.
If no target (--pretty, --static, or --transient) is specified, then
let's try to set transient hostname even if setting static or pretty
hostname failed. This may be useful for read-only filesystem.
e.g.:
./src/shared/dissect-image.c:2218:39: error: suspicious concatenation of string literals in an array initialization; did you mean to separate the elements with a comma? [-Werror,-Wstring-concatenation]
"/usr/lib/os-release\0",
^
../src/shared/dissect-image.c:2217:39: note: place parentheses around the string literal to silence warning
[META_OS_RELEASE] = "/etc/os-release\0"
^
1 error generated.
See: https://reviews.llvm.org/D85545
As far as I can see, at some point the parser function for MountAPIVFS
was changed from the generic bool parser to a custom implementation, to
allow the context to keep track of whether MountAPIVFS had been set
explicitly. If not, exec_context_get_effective_mount_apivfs would fall
back to a default value. However, the corresponding entry in the big
parser table wasn't updated, meaning that the old bool parser was still
used, meaning that context->mount_apivfs_set remained at its default
value of false, meaning that the default value was always used and the
config option was effectively ignored.
Fix for 5e98086d16.
When executed in test mode, "OUTDATED" is appropriate. But when executed
to actually update the text, after the tool executes, those pages are the
opposite, not outdated.
It happens too often that what people ask for already is implemented.
Let's help cut the noise a bit, and make people check things first
hopefully, and at least make it either for us to detect such cases.
If we don't have ifindex info, don't set the field for it.
We already do that for parsed IP address replies, let's do it for all
cases: it's a bit nicer to suppress the ifindex prop if it doesn't apply
than to pass it invalid.
This is the other side of #18482, i.e. fixes things so that the parser
doesn't get tripped up by this.
(This too makes a problem go away we should track down properly, i.e.
figure out how the ifindex got lost in
https://github.com/systemd/systemd/pull/17823#issuecomment-742439422 )
