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[Timo Aaltonen <1874568@xxxxxxxxxxxxxxxxxx>]

and then bind-dyndb-ldap should be backported from groovy, there's no
point in cherry-picking stuff

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https://bugs.launchpad.net/bugs/1874568

Title:
  Working config in eoan, bind9 fails after upgrade to fossa

Status in bind package in Ubuntu:
  Confirmed
Status in bind-dyndb-ldap package in Ubuntu:
  Fix Released
Status in bind source package in Focal:
  In Progress
Status in bind-dyndb-ldap source package in Focal:
  In Progress

Bug description:
  Configuration was working in Eoan.  Just upgraded to Fossa.
  Bind9(named) will not start.  Syslog show the following:

  Apr 23 16:55:58 ltserver2 named[1611]: starting BIND 9.16.1-Ubuntu (Stable Release) <id:d497c32>
  Apr 23 16:55:58 ltserver2 named[1611]: running on Linux x86_64 5.4.0-26-generic #30-Ubuntu SMP Mon Apr 20 16:58:30 UTC 2020
  Apr 23 16:55:58 ltserver2 named[1611]: built with '--build=x86_64-linux-gnu' '--prefix=/usr' '--includedir=/usr/include' '--mandir=/usr/share/man' '--infodir=/usr/share/info' '--sysconfdir=/etc' '--localstatedir=/var' '--disable-silent-rules' '--libdir=/usr/lib/x86_64-linux-gnu' '--runstatedir=/run' '--disable-maintainer-mode' '--disable-dependency-tracking' '--libdir=/usr/lib/x86_64-linux-gnu' '--sysconfdir=/etc/bind' '--with-python=python3' '--localstatedir=/' '--enable-threads' '--enable-largefile' '--with-libtool' '--enable-shared' '--enable-static' '--with-gost=no' '--with-openssl=/usr' '--with-gssapi=/usr' '--with-libidn2' '--with-json-c' '--with-lmdb=/usr' '--with-gnu-ld' '--with-maxminddb' '--with-atf=no' '--enable-ipv6' '--enable-rrl' '--enable-filter-aaaa' '--disable-native-pkcs11' 'build_alias=x86_64-linux-gnu' 'CFLAGS=-g -O2 -fdebug-prefix-map=/build/bind9-OLooom/bind9-9.16.1=. -fstack-protector-strong -Wformat -Werror=format-security -fno-strict-aliasing -fno-delete-null-pointer-checks -DNO_VERSION_DATE -DDIG_SIGCHASE' 'LDFLAGS=-Wl,-Bsymbolic-functions -Wl,-z,relro -Wl,-z,now' 'CPPFLAGS=-Wdate-time -D_FORTIFY_SOURCE=2'
  Apr 23 16:55:58 ltserver2 named[1611]: running as: named -f -u bind
  Apr 23 16:55:58 ltserver2 named[1611]: compiled by GCC 9.3.0
  Apr 23 16:55:58 ltserver2 named[1611]: compiled with OpenSSL version: OpenSSL 1.1.1f  31 Mar 2020
  Apr 23 16:55:58 ltserver2 named[1611]: linked to OpenSSL version: OpenSSL 1.1.1f  31 Mar 2020
  Apr 23 16:55:58 ltserver2 named[1611]: compiled with libxml2 version: 2.9.10
  Apr 23 16:55:58 ltserver2 named[1611]: linked to libxml2 version: 20910
  Apr 23 16:55:58 ltserver2 named[1611]: compiled with json-c version: 0.13.1
  Apr 23 16:55:58 ltserver2 named[1611]: linked to json-c version: 0.13.1
  Apr 23 16:55:58 ltserver2 named[1611]: compiled with zlib version: 1.2.11
  Apr 23 16:55:58 ltserver2 named[1611]: linked to zlib version: 1.2.11
  Apr 23 16:55:58 ltserver2 named[1611]: ----------------------------------------------------
  Apr 23 16:55:58 ltserver2 named[1611]: BIND 9 is maintained by Internet Systems Consortium,
  Apr 23 16:55:58 ltserver2 named[1611]: Inc. (ISC), a non-profit 501(c)(3) public-benefit 
  Apr 23 16:55:58 ltserver2 named[1611]: corporation.  Support and training for BIND 9 are 
  Apr 23 16:55:58 ltserver2 named[1611]: available at https://www.isc.org/support
  Apr 23 16:55:58 ltserver2 named[1611]: ----------------------------------------------------
  Apr 23 16:55:58 ltserver2 named[1611]: adjusted limit on open files from 524288 to 1048576
  Apr 23 16:55:58 ltserver2 named[1611]: found 2 CPUs, using 2 worker threads
  Apr 23 16:55:58 ltserver2 named[1611]: using 2 UDP listeners per interface
  Apr 23 16:55:58 ltserver2 named[1611]: using up to 21000 sockets
  Apr 23 16:55:58 ltserver2 named[1611]: loading configuration from '/etc/bind/named.conf'
  Apr 23 16:55:58 ltserver2 named[1611]: reading built-in trust anchors from file '/etc/bind/bind.keys'
  Apr 23 16:55:58 ltserver2 named[1611]: looking for GeoIP2 databases in '/usr/share/GeoIP'
  Apr 23 16:55:58 ltserver2 named[1611]: using default UDP/IPv4 port range: [32768, 60999]
  Apr 23 16:55:58 ltserver2 named[1611]: using default UDP/IPv6 port range: [32768, 60999]
  Apr 23 16:55:58 ltserver2 named[1611]: listening on IPv4 interface enp3s0, <LocalIPAddress>#53
  Apr 23 16:55:58 ltserver2 named[1611]: IPv6 socket API is incomplete; explicitly binding to each IPv6 address separately
  Apr 23 16:55:58 ltserver2 named[1611]: listening on IPv6 interface lo, ::1#53
  Apr 23 16:55:58 ltserver2 named[1611]: listening on IPv6 interface enp3s0, <IP6Address>%2#53
  Apr 23 16:55:58 ltserver2 named[1611]: unable to set effective uid to 0: Operation not permitted
  Apr 23 16:55:58 ltserver2 named[1611]: generating session key for dynamic DNS
  Apr 23 16:55:58 ltserver2 named[1611]: unable to set effective uid to 0: Operation not permitted
  Apr 23 16:55:58 ltserver2 named[1611]: sizing zone task pool based on 0 zones
  Apr 23 16:55:58 ltserver2 named[1611]: none:100: 'max-cache-size 90%' - setting to 3513MB (out of 3903MB)
  Apr 23 16:55:58 ltserver2 named[1611]: set up managed keys zone for view _default, file 'managed-keys.bind'
  Apr 23 16:55:58 ltserver2 named[1611]: loading DynDB instance 'MY_FULLY_Qualified_LOCAL_DNS_NAME' driver '/usr/lib/bind/ldap.so'
  Apr 23 16:55:58 ltserver2 named[1611]: failed to dynamically load instance 'MY_FULLY_Qualified_LOCAL_DNS_NAME' driver '/usr/lib/bind/ldap.so': /usr/lib/bind/ldap.so: undefined symbol: cfg_parse_buffer2 (failure)
  Apr 23 16:55:58 ltserver2 named[1611]: dynamic database 'dns.schapker.athome' configuration failed: failure
  Apr 23 16:55:58 ltserver2 named[1611]: loading configuration: failure
  Apr 23 16:55:58 ltserver2 named[1611]: exiting (due to fatal error)
  Apr 23 16:55:58 ltserver2 systemd[1]: named.service: Main process exited, code=exited, status=1/FAILURE
  Apr 23 16:55:58 ltserver2 systemd[1]: named.service: Failed with result 'exit-code'.

  (I have attempted to remove personal identifiable information above.
  That's shouldn't hamper diagnosis of this issue)

  Based on the error, I presume some code is missing somewhere.

  I believe "/usr/lib/bind/ldap.so" comes from bind-dyndb-ldap package.
  I'm not "new" to Linux, but I do not regularly create bugs, so I'm not
  certain what else may be necessary.

  This is kind of an issue for me as now I do not have a working DNS
  server since the upgrade.  Any assistance would be greatly
  appreciated!

  These are the "bind9" packages I have installed:
  bind9-dnsutils/focal,now 1:9.16.1-0ubuntu2 amd64 [installed,automatic]
  bind9-dyndb-ldap/focal,now 11.2-1build2 amd64 [installed]
  bind9-host/focal,now 1:9.16.1-0ubuntu2 amd64 [installed,automatic]
  bind9-libs/focal,now 1:9.16.1-0ubuntu2 amd64 [installed,automatic]
  bind9-utils/focal,now 1:9.16.1-0ubuntu2 amd64 [installed,automatic]
  bind9/focal,now 1:9.16.1-0ubuntu2 amd64 [installed,automatic]

  (fresh upgrade from Eoan to Focal, with no known deviations from Focal
  packages)

  Larry Schapker

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