[#805, !6-p] check for null or empty hwaddr before writing to memfile (v4)

[#805,!5-p] Updated ChangeLog and conflicted parsers

[#805,!5-p] Addressed more review comments

    More cleanup following 1.4 and 1.5 branch reviews

doc/sphinx/arm/dhcp6-srv.rst
src/lib/dhcpsrv/memfile_lease_mgr.cc

[#805,!5-p] Updated ChangeLog to security, added CVE #

[#805,!5-p] Addressed review comments

    Minor cleanup and commentary.

[#805,!5-p] Updated the ARM

Updated the ARM and added a ChangeLog entry.

[#805,!5-p] Updated example confs

[#805,!5-p] kea-dhcp6 now supports max-row-errors parameter

src/bin/dhcp6/dhcp6_lexer.ll
src/bin/dhcp6/dhcp6_parser.yy
    Added max-row-errors

src/lib/dhcpsrv/tests/lease_file_loader_unittest.cc
    TEST_F(LeaseFileLoaderTest, maxRowErrors6) - new unit test
    to verify max-row-errors operation

[#805,!5-p] Memfile and kea-dhcp4 now suppor max-row-errors parameter

src/bin/dhcp4/dhcp4_lexer.ll
src/bin/dhcp4/dhcp4_parser.yy
    Added max-row-errors

src/lib/database/database_connection.*
src/lib/database/dbaccess_parser.*
    Added max-row-errors

src/lib/database/tests/dbaccess_parser_unittest.cc
    New tests for max-row-errors

src/lib/dhcpsrv/lease_file_loader.h
    Changed logic value of 0 means unlimited

src/lib/dhcpsrv/memfile_lease_mgr.cc
    Memfile_LeaseMgr::loadLeasesFromFiles() - now uses
    connection parmater value for max-row-errors or 0
    if not specified

src/lib/dhcpsrv/tests/lease_file_loader_unittest.cc
    TEST_F(LeaseFileLoaderTest, maxRowErrors4) - new unit test
    to verify max-row-errors operation

src/lib/dhcpsrv/tests/memfile_lease_mgr_unittest.cc
   TEST_F(MemfileLeaseMgrTest, constructor) - added tests for
   max-row-errors

[#805,!5-p] Updated example confs

[#805,!5-p] kea-dhcp6 now supports max-row-errors parameter

src/bin/dhcp6/dhcp6_lexer.ll
src/bin/dhcp6/dhcp6_parser.yy
    Added max-row-errors

src/lib/dhcpsrv/tests/lease_file_loader_unittest.cc
    TEST_F(LeaseFileLoaderTest, maxRowErrors6) - new unit test
    to verify max-row-errors operation

[#805,!5-p] Memfile and kea-dhcp4 now suppor max-row-errors parameter

src/bin/dhcp4/dhcp4_lexer.ll
src/bin/dhcp4/dhcp4_parser.yy
    Added max-row-errors

src/lib/database/database_connection.*
src/lib/database/dbaccess_parser.*
    Added max-row-errors

src/lib/database/tests/dbaccess_parser_unittest.cc
    New tests for max-row-errors

src/lib/dhcpsrv/lease_file_loader.h
    Changed logic value of 0 means unlimited

src/lib/dhcpsrv/memfile_lease_mgr.cc
    Memfile_LeaseMgr::loadLeasesFromFiles() - now uses
    connection parmater value for max-row-errors or 0
    if not specified

src/lib/dhcpsrv/tests/lease_file_loader_unittest.cc
    TEST_F(LeaseFileLoaderTest, maxRowErrors4) - new unit test
    to verify max-row-errors operation

src/lib/dhcpsrv/tests/memfile_lease_mgr_unittest.cc
   TEST_F(MemfileLeaseMgrTest, constructor) - added tests for
   max-row-errors

[#730,!2-p] Addressed review comments

    Minor cleanup

ChangeLog
src/bin/dhcp4/dhcp4_messages.mes
src/bin/dhcp4/dhcp4_srv.cc
src/lib/dns/tests/name_unittest.cc

[#730,!2-p] Updated ChangeLog entry

[#730,!2-p] Minor edit in ChangeLog entry

[#730,!2] Reworded ChangeLog entry

[#730,!2] Addressed review comment

    src/lib/exceptions/isc_assert.h - clarified commentary

[#730,!2] Addressed review comments

ChangeLog - added an entry

src/bin/dhcp4/tests/fqdn_unittest.cc
    TEST_F(NameDhcpv4SrvTest, serverUpdateMalformedHostname) - added
    commentary

src/lib/exceptions/isc_assert.h
    commentary changes

src/lib/exceptions/tests/exceptions_unittest.cc
    TEST(IscThrowAssert, checkMessage) - replace use of explicit line number

[#730,!2] Corrected assertion failure on malformed hostname from kea-dhcp4

src/lib/exceptions/isc_assert.h
    New file that defines isc_assert_throw()

src/lib/exceptions/Makefile.am
    added isc_asssert.h

src/lib/exceptions/tests/exceptions_unittest.cc
    TEST(IscThrowAssert, checkMessage) - new test

src/lib/dns/labelsequence.cc
src/lib/dns/name.cc
    Replaced assert() calls with isc_throw_assert() calls

src/lib/dns/tests/name_unittest.cc
    TEST_F(NameTest, unexpectedParseError) - new unit test
    for hostname option content based on fuzz test failure

src/lib/dhcp_ddns/ncr_msg.cc
    Removed unnecessary include of dns/name.h

src/bin/dhcp4/dhcp4_srv.cc
    Dhcpv4Srv::processHostnameOption() - added try catch
    around OptionDataTypeUtil::getLabelCount() call

src/bin/dhcp4/dhcp4_messages.*
    added new log message DHCP4_CLIENT_HOSTNAME_MALFORMED

src/bin/dhcp4/tests/fqdn_unittest.cc
    TEST_F(NameDhcpv4SrvTest, serverUpdateMalformedHostname) -
    renamed test and augmented it to include the packet of death
    produced by fuzz testing.

[#722,!1-p] Updated ChangeLog

[#722,!1] Addressed review comments

   revamped Dhpc6srv::sanityCheckDuid() per review comments on
   1.4.0 version.

[#722,!2] Added ChangeLog Entry

[#722,!1] Addressed review comments

    Added test to ensure DUID size constant(s) are RFC compliant

[#722,!1] Addressed review comments

    src/lib/dhcp/duid.cc - improved log message

[#722] kea-dhcp6 sanity checking of inbound DUID options improved

src/bin/dhcp6/dhcp6_srv.cc
    Dhcpv6Srv::sanityCheckDUID() - modified to attempt to construct
    a DUID instance as final sanity check

src/bin/dhcp6/tests/dhcp6_srv_unittest.cc
    TEST_F(Dhcpv6SrvTest, sanityCheckClientId)
    TEST_F(Dhcpv6SrvTest, sanityCheckServerId) - revamped tests
    to check against max and max + 1

src/bin/dhcp6/tests/dhcp6_test_utils.h
    A little refactoring to ease option creation

src/lib/dhcp/duid.cc
    DUID::DUID(const std::vector<uint8_t>& duid)
    DUID::DUID(const uint8_t* data, size_t len) - updated
    error log to show actual sizes

[#841,!490] Added ChangeLog for #841.

[#841,!490] Corrected library version number for dhcp_ddns.

[#841,!490] Corrected libdhcpsrv library version number.

[#841,!490] Bumped up libraries version numbers.

[#810,!471] AUTHORS, ChangeLog updated

[#810,!471] Changed title levels in hooks-*.rst files

 - mostly --- to ~~~

[#810,!471] Compilation fixes in the API files

Edited header underlines to try to get all the hooks libraries at the same TOC level in the docs

Fix JSON errors

A few more text/formatting edits

Fix grammar, typos, a few JSON errors

[#810, !471] reverted changes added by mistake

[#810, !471] fixed sphinx docs

[#810, !471] fixed sphinx docs

[#810, !471] fixed sphinx docs

Fix JSON syntax errors, miscellaneous typos and grammatical errors in API docs

[#810, !471] fixed sphinx docs

[#659,!387] ChangeLog updated.

[#659,!387] Addressed two review comments.

- Return after finding the first pool.
- Corrected excluded prefix length stored in the db.

[#659,!387] Update doc: excluded prefix is support for CB.

[#659,!387] Changed "fields" to "columns" in the MySQL creation script.

As a result of review.

[659-how-configure-client-class-for-pools-in-db] Reported dhcp[46] guide updates

[659-how-configure-client-class-for-pools-in-db] Addressed not doc comments

[659-how-configure-client-class-for-pools-in-db] Post-rebase fixes

[659-how-configure-client-class-for-pools-in-db] Made getPool methods handle server selector

[659-how-configure-client-class-for-pools-in-db] Added tests

[659-how-configure-client-class-for-pools-in-db] Checkpoint: code done, todo new unit tests

[#837,!487] all-keys-{current,stable} renamed

sphinx docs: increased recursion level limit

[#654] extended perfdhcp output when no packets received

[#625,!485] Fixed detection of log4plus in non-standard location

[#625,!485] Fixed conditional intialization detection for log4cplus

[#625,!485] Conditional explicit initialization done.

[#625,!485] Explicit log4cplus initialization by @tcely

  Imported from commit apline linux PR#8011:
  https://github.com/alpinelinux/aports/pull/8011

[#496,!483] ChangeLog updated.

[#496,!483] Updated ARM section about selectors usage with shared networks.

[#823,!477] ChangeLog updated

[823-last-update-yang-models] Updated yang models & code for logger and database syntax updates to come

[#761,!447] Updated ChangeLog

[#761,!447] Updated doc and added ChangeLog

[#761,!447] Binary option data parser now accepts strings

src/lib/dhcpsrv/parsers/option_data_parser.cc
    OptionDataParser::createOption() - added logic to support
    parsing "'text'" into binary option data

src/lib/dhcpsrv/tests/dhcp_parsers_unittest.cc
    TEST_F(ParseConfigTest, stringOrHexBinaryData) - new unit test

[#721,!466] ChangeLog updated.

Apply suggestion to doc/sphinx/arm/dhcp6-srv.rst

Apply suggestion to doc/sphinx/arm/dhcp4-srv.rst

[727-reservation-client-classes-too-late-later-as-documented-for-depending-classes] Amended misleading notes

[#721,!480] Changelog updated.

[#721,!480] --with-site-packages must be specified with parameters.

[#721,!480] Documentation updated.

added ability to indicate site-packages dir that is different in case of deb packages

[#826,!479] ChangeLog updated

[#826,!479] Reworded the API description slightly.

[#826,!479] Moved list of new cb_cmds out of the Makefile.am.

[#826,!479] Removed empty section title.

[#826,!479] Updated cb_cmds hooks doc describing the embedded option cmds.

[#826,!479] Corrected some little errors in the new API files.

Remove repeated lines and corrected some of the descriptions.

[826-documentation-of-cb_cmds-embedded-commands] Added API files

added pattern field to config files in src/bin/keactrl/*conf.pre but commented to be used for deb/rpm packaging

[#665,!460] Updated ChangeLog with commit-id

[#665] Regenerated parsers using bison 3.4.1

[#665,!460] Added ChangeLog entry

[#665,!460] Implemented support in netconf agent

doc/examples/netconf/simple-dhcp4.json
doc/examples/netconf/simple-dhcp6.json

src/bin/netconf/netconf_lexer.ll
src/bin/netconf/netconf_parser.yy

src/bin/netconf/location.hh
src/bin/netconf/netconf_lexer.cc
src/bin/netconf/netconf_parser.cc
src/bin/netconf/netconf_parser.h
src/bin/netconf/position.hh
src/bin/netconf/stack.hh

[#665,!460] Implemented support in agent

doc/examples/agent/simple.json

src/bin/agent/agent_lexer.ll
src/bin/agent/agent_parser.yy

src/bin/agent/agent_lexer.cc
src/bin/agent/agent_parser.cc
src/bin/agent/agent_parser.h
src/bin/agent/location.hh
src/bin/agent/position.hh
src/bin/agent/stack.hh

[#665,!460] Implemented support in D2

doc/examples/ddns/sample1.json
doc/examples/kea4/advanced.json

src/bin/d2/d2_lexer.ll
src/bin/d2/d2_parser.yy

src/bin/d2/d2_lexer.cc
src/bin/d2/d2_parser.cc
src/bin/d2/d2_parser.h
src/bin/d2/location.hh
src/bin/d2/position.hh
src/bin/d2/stack.hh

src/bin/d2/tests/testdata/get_config.json

[#665,!460] Implemented support in kea-dhcp6

doc/examples/kea6/advanced.json
doc/examples/kea6/all-keys-current.json

src/bin/dhcp6/dhcp6_lexer.ll
src/bin/dhcp6/dhcp6_parser.yy

src/bin/dhcp6/dhcp6_lexer.cc
src/bin/dhcp6/dhcp6_parser.cc
src/bin/dhcp6/dhcp6_parser.h
src/bin/dhcp6/location.hh
src/bin/dhcp6/position.hh
src/bin/dhcp6/stack.hh

[#665,!460] Updated following preliminary review

doc/examples/kea4/all-keys-current.json
    Added pattern

doc/sphinx/arm/logging.rst
    Revamped a bit

src/lib/process/tests/log_parser_unittests.cc
    Updated to test pattern parsing

[#665,!460] Addressed review comments

alloc_engine6_unittest.cc
    Removed extraneous spaces.

[#665,!460] Updated ARM

[#665,!460] Initial implementation, kea-dhcp4 only

Added an optional "pattern" parameter to logger output options. It supports
any combination of content described here:

https://log4cplus.sourceforge.io/docs/html/classlog4cplus_1_1PatternLayout.html

src/lib/log/output_option.*
    Added constants to define default patterns:
        OutputOption::DEFAULT_CONSOLE_PATTERN = "%D{%Y-%m-%d %H:%M:%S.%q} %-5p [%c/%i] %m\n";
        OutputOption::DEFAULT_FILE_PATTERN = "%D{%Y-%m-%d %H:%M:%S.%q} %-5p [%c/%i] %m\n";
        OutputOption::DEFAULT_SYSLOG_PATTERN = "%-5p [%c] %m\n";

    OutputOption::pattern_ - new member for conveying pattern string

src/lib/log/logger_manager_impl.*
    LoggerManagerImpl::createConsoleAppender()
    LoggerManagerImpl::createFileAppender()
    LoggerManagerImpl::createSyslogAppender() uses either
    paramater, option.pattern, or the appropriate default pattern

    LoggerManagerImpl::setAppenderLayout() - new, common method to
    set the layout, accepts a pattern string parameter

    LoggerManagerImpl::setConsoleAppenderLayout()
    LoggerManagerImpl::setSyslogAppenderLayout() - deleted

src/lib/process/log_parser.cc
    LogConfigParser::parseOutputOptions() - now supports pattern

src/lib/process/logging_info.*
    LoggingDestination::pattern_  - new member for conveying pattern string

src/bin/dhcp4/dhcp4_lexer.ll
src/bin/dhcp4/dhcp4_parser.yy
    Added "pattern" to the parser grammar

[#150,!473] ChangeLog updated

[#150,!385] Addressed review comments:

- extra checks for parent pointer
- comments corrected

[#150] Basic documentation added.

[150-add-sub-option-classification] Added unit tests and fixed logs

[#150,!385] regen bison

[150-add-sub-option-classification] Declared sub_option_code

[150-add-sub-option-classification] Accept only integers for sub-option codes