Resolve "dlz_open_driver: fix build failure without dlfcn.h"

Closes #995

See merge request !1854

Resolve "Wrong key id is displayed for RSAMD5 keys."

Closes #996

See merge request !1852

Fix dnssec test intermittent failure related to kskonly bugfix

See merge request !1836

Key IDs may accidentally match dig output that is not the key ID (for
example the RRSIG inception or expiration time, the query ID, ...).
Search for key ID + signer name should prevent that, as that is what
only should occur in the RRSIG record, and signer name always follows
the key ID.

Remove sleep calls from test, rely on wait_for_log().  Make
wait_for_log() and dnssec_loadkeys_on() fail the test if the
appropriate log line is not found.

Slightly adjust the echo_i() lines to print only the key ID (not the
key name).

When resuming from qname-minimization increase fetches-per-zone counters for the 'new' zone

Closes #992

See merge request !1847

Minor "nsupdate" system test tweaks

See merge request !1837

One second may not be enough for an NSEC3 chain change triggered by an
UPDATE message to complete.  Wait up to 10 seconds when checking whether
a given NSEC3 chain change is complete in the "nsupdate" system test.

In the "nsupdate" system test, do not sleep before checking results of
changes which are expected to be processed synchronously, i.e. before
nsupdate returns.

use isc_refcount_decrement to decrement NEWCONNSOCK(dev)->references; use...

See merge request !1821

use isc_refcount_decrement to decrement NEWCONNSOCK(dev)->references; use isc_refcount_increment instead of isc_refcount_init in socket_create

add assertions to silence clang false positive

See merge request !1808

Resolve "Bind just disables GSSAPI support if no GSSAPI/KRB5 headers found"

Closes #962

See merge request !1815

force SERVFAIL response in the gotanswer failure case

Closes #990

See merge request !1838

- named could return FORMERR if parsing iterative responses
  ended with a result code such as DNS_R_OPTERR. instead of
  computing a response code based on the result, in this case
  we now just force the response to be SERVFAIL.

using 0 instead of false

See merge request !1820

Miscellaneous Windows system test fixes

See merge request !1794

Make bin/tests/system/ifconfig.bat also configure addresses ending with
9 and 10, so that the script is in sync with its Unix counterpart.

Update comments listing the interfaces created by ifconfig.{bat,sh} so
that they do not include addresses whose last octet is zero (since an
address like 10.53.1.0/24 is not a valid host address and thus the
aforementioned scripts do not even attempt configuring them).

On Windows, the bin/tests/system/dnssec/signer/example.db.signed file
contains carriage return characters at the end of each line.  Remove
them before passing the aforementioned file to the awk script extracting
key IDs so that the latter can work properly.

As signals are currently not handled by named on Windows, instances
terminated using signals are not able to perform a clean shutdown, which
involves e.g. removing the lock file.  Thus, waiting for a given
instance's lock file to be removed beforing assuming it is shut down
is pointless on Windows, so do not even attempt it.

win32: remove lock file upon shutdown

Closes #979

See merge request !1793

5214.	[bug]		win32: named now removes its lock file upon shutdown.
			[GL #979]

Upon named shutdown, the lock file should not just be unlocked but also
removed.

win32: fix service state reported during shutdown

Closes #978

See merge request !1792

5213.	[bug]		win32: Eliminated a race which allowed named.exe running
			as a service to be killed prematurely during shutdown.
			[GL #978]

When a Windows service receives a request to stop, it should not set its
state to SERVICE_STOPPED until it is completely shut down as doing that
allows the operating system to kill that service prematurely, which in
the case of named may e.g. prevent the PID file and/or the lock file
from being cleaned up.

Set service state to SERVICE_STOP_PENDING when named begins its shutdown
and only report the SERVICE_STOPPED state immediately before exiting.

Use uintmax_t instead of typeof(x) in the ISC_ALIGN macro on non-GNUC systems

Closes #989

See merge request !1826

Simple text files don't need copyright header

See merge request !1809

Refactor the DNS_RDATASET_FIXED code to use macros instead of ifdefs

See merge request !1811