diff --git a/.github/workflows/linux.yml b/.github/workflows/linux.yml
new file mode 100644
index 000000000..ed05e54a5
--- /dev/null
+++ b/.github/workflows/linux.yml
@@ -0,0 +1,195 @@
+name: Build
+
+on:
+    push:
+      paths:
+         - '!docs/**'
+         - '!**.md'
+         - '!**.[1-9]'
+         - '**.[chly]'
+         - '**.hin'
+         - '**.in'
+         - '**.am'
+         - '**.m4'
+         - '**.ac'
+         - '**.pl'
+         - '**.py'
+         - '**.asn1'
+         - '**.opt'
+         - '**/NTMakefile'
+         - '**/COPYING'
+         - '**/INSTALL'
+         - '**/README*'
+         - '.github/workflows/build.yml'
+         - '!appveyor.yml'
+         - '!.travis.yml'
+
+    pull_request:
+      paths:
+         - '!docs/**'
+         - '!**.md'
+         - '!**.[1-9]'
+         - '**.[chly]'
+         - '**.hin'
+         - '**.in'
+         - '**.am'
+         - '**.m4'
+         - '**.ac'
+         - '**.pl'
+         - '**.py'
+         - '**.asn1'
+         - '**.opt'
+         - '**/NTMakefile'
+         - '**/COPYING'
+         - '**/INSTALL'
+         - '**/README*'
+         - '.github/workflows/build.yml'
+         - '!appveyor.yml'
+         - '!.travis.yml'
+
+jobs:
+
+    unix:
+        runs-on: ${{ matrix.os }}
+        strategy:
+            fail-fast: false
+            matrix:
+                name: [linux-clang, linux-gcc]
+                include:
+                    - name: linux-clang
+                      os: ubuntu-18.04
+                      compiler: clang
+                    - name: linux-gcc
+                      os: ubuntu-18.04
+                      compiler: gcc
+        steps:
+            - name: Clone repository
+              uses: actions/checkout@v1
+            - name: Install packages
+              if: startsWith(matrix.os, 'ubuntu')
+              run: |
+                sudo apt-get update -qq
+                sudo apt-get install -y bison comerr-dev flex libcap-ng-dev libdb-dev libedit-dev libjson-perl libldap2-dev libncurses5-dev libperl4-corelibs-perl libsqlite3-dev libkeyutils-dev pkg-config python ss-dev texinfo unzip netbase keyutils ldap-utils gdb apport curl libmicrohttpd-dev jq valgrind
+                # Temporary workaround for:
+                # https://github.com/actions/virtual-environments/issues/3185
+                sudo hostname localhost
+            - name: Build
+              env:
+                CC: ${{ matrix.compiler }}
+                MAKEVARS: ${{ matrix.makevars }}
+                CONFIGURE_OPTS:  ${{ matrix.configureopts }}
+              run: |
+                /bin/sh ./autogen.sh
+                mkdir build
+                cd build
+                ../configure --srcdir=`dirname "$PWD"` --enable-maintainer-mode --enable-developer --with-ldap $CONFIGURE_OPTS --prefix=$HOME/inst CFLAGS="-Wno-error=shadow -Wno-error=bad-function-cast -Wno-error=unused-function -Wno-error=unused-result -Wno-error=deprecated-declarations"
+                ulimit -c unlimited
+                make -j4
+                make check
+                make install
+            - name: Valgrind output
+              run: |
+                find . -name \*.log -print0|xargs -0 grep '^==[1-9]' || true
+            - name: Core dump stacks
+              run: |
+                echo "thread apply all bt" > /tmp/x
+                find . -name core -print | while read core; do gdb -batch -x x `file "$core"|sed -e "s/^[^']*'//" -e "s/[ '].*$//"` "$core"; done
+                if [ "$(find . -name core -print | wc -l)" -gt 0 ]; then false; fi
+            - name: Test logs
+              if: ${{ failure() }}
+              run: |
+                find build -name \*.trs|xargs grep -lw FAIL|sed -e 's/trs$/log/'|xargs cat
+            - name: distclean
+              run: |
+                cd build
+                make distclean
+                if [ "$(git ls-files -o|grep -v ^build/ | wc -l)" -ne 0 ]; then
+                  echo "Files not removed by make distclean:"
+                  git ls-files -o|grep -v ^build/
+                fi
+
+    osx:
+        runs-on: ${{ matrix.os }}
+        strategy:
+            fail-fast: false
+            matrix:
+                name: [osx-clang]
+                include:
+                    - name: osx-clang
+                      os: macos-latest
+                      compiler: clang
+        steps:
+            - name: Install packages
+              run: |
+                echo "bison, flex, ncurses, texinfo, and unzip are in the base OS."
+                echo "berkeley-db, perl, python, curl, and jq are installed in the"
+                echo "base image already."
+                brew install autoconf automake libtool cpanm
+                sudo cpanm install JSON
+            - name: Clone repository
+              uses: actions/checkout@v1
+            - name: Build
+              env:
+                CC: ${{ matrix.compiler }}
+                MAKEVARS: ${{ matrix.makevars }}
+                CONFIGURE_OPTS:  ${{ matrix.configureopts }}
+              run: |
+                /bin/sh ./autogen.sh
+                mkdir build
+                cd build
+                ../configure --srcdir=`dirname "$PWD"` --disable-afs-support --enable-maintainer-mode --enable-developer $CONFIGURE_OPTS --prefix=$HOME/inst CFLAGS="-Wno-error=shadow -Wno-error=bad-function-cast -Wno-error=unused-function -Wno-error=unused-result -Wno-error=deprecated-declarations"
+                ulimit -c unlimited
+                make -j4
+                make check
+                make install
+            - name: Test logs
+              if: ${{ failure() }}
+              run: |
+                find build -name \*.trs|xargs grep -lw FAIL|sed -e 's/trs$/log/'|xargs cat
+            - name: distclean
+              run: |
+                cd build
+                make distclean
+                if [ "$(git ls-files -o|grep -v ^build/ | wc -l)" -ne 0 ]; then
+                  echo "Files not removed by make distclean:"
+                  git ls-files -o|grep -v ^build/
+                fi
+
+    windows:
+        runs-on: windows-latest
+        env:
+            APPVER: '10.0'
+            CODESIGN_PKT: 0000000000000000
+            INSTALL_DIR: C:\heimdal
+            WINSDKVER: '10.0.22000.0'
+            WIXDIR: 'c:\Program Files (x86)\Windows Installer XML v3.5'
+        steps:
+            - name: Clone repository
+              uses: actions/checkout@v1
+            - name: Find MSVC and run vcvarsall.bat
+              uses: ilammy/msvc-dev-cmd@v1
+              with:
+                arch: amd64
+            - name: Build
+              shell: cmd
+              run: |
+                set PATH=%PATH%;C:\msys64\usr\bin;C:\Program Files (x86)\HTML Help Workshop;C:\program files (x86)\windows installer xml v3.5\bin;C:\cygwin\bin
+                set CODESIGN_PKT=0000000000000000
+                set dbg__type=Debug
+                mkdir %INSTALL_DIR%
+                pacman --noconfirm -S zstd
+                pacman --noconfirm -S autoconf
+                pacman --noconfirm -S automake
+                pacman --noconfirm -S flex
+                pacman --noconfirm -S bison
+                pacman --noconfirm -S perl
+                pacman --noconfirm -S perl-JSON
+                set PATH=%PATH%;%wix%bin
+                title Heimdal Build %CPU% %dbg__type%
+                set "PATH=%PATH%;C:\Perl64\bin;C:\tools\cygwin\bin;C:\Program Files (x86)\HTML Help Workshop"
+                set "PATH=%PATH%;C:/msys64/usr/bin"
+                set "PATH=%PATH%;C:\program files (x86)\windows installer xml v3.5\bin;C:\cygwin\bin"
+                set "PATH=%PATH%;C:\Python310-x64"
+                echo PATH=%PATH%
+                nmake /f NTMakefile APPVEYOR=1 MAKEINFO=makeinfo NO_INSTALLERS=1
+                nmake /f NTMakefile APPVEYOR=1 MAKEINFO=makeinfo NO_INSTALLERS=1 test
diff --git a/.github/workflows/osx.yml b/.github/workflows/osx.yml
new file mode 100644
index 000000000..ed05e54a5
--- /dev/null
+++ b/.github/workflows/osx.yml
@@ -0,0 +1,195 @@
+name: Build
+
+on:
+    push:
+      paths:
+         - '!docs/**'
+         - '!**.md'
+         - '!**.[1-9]'
+         - '**.[chly]'
+         - '**.hin'
+         - '**.in'
+         - '**.am'
+         - '**.m4'
+         - '**.ac'
+         - '**.pl'
+         - '**.py'
+         - '**.asn1'
+         - '**.opt'
+         - '**/NTMakefile'
+         - '**/COPYING'
+         - '**/INSTALL'
+         - '**/README*'
+         - '.github/workflows/build.yml'
+         - '!appveyor.yml'
+         - '!.travis.yml'
+
+    pull_request:
+      paths:
+         - '!docs/**'
+         - '!**.md'
+         - '!**.[1-9]'
+         - '**.[chly]'
+         - '**.hin'
+         - '**.in'
+         - '**.am'
+         - '**.m4'
+         - '**.ac'
+         - '**.pl'
+         - '**.py'
+         - '**.asn1'
+         - '**.opt'
+         - '**/NTMakefile'
+         - '**/COPYING'
+         - '**/INSTALL'
+         - '**/README*'
+         - '.github/workflows/build.yml'
+         - '!appveyor.yml'
+         - '!.travis.yml'
+
+jobs:
+
+    unix:
+        runs-on: ${{ matrix.os }}
+        strategy:
+            fail-fast: false
+            matrix:
+                name: [linux-clang, linux-gcc]
+                include:
+                    - name: linux-clang
+                      os: ubuntu-18.04
+                      compiler: clang
+                    - name: linux-gcc
+                      os: ubuntu-18.04
+                      compiler: gcc
+        steps:
+            - name: Clone repository
+              uses: actions/checkout@v1
+            - name: Install packages
+              if: startsWith(matrix.os, 'ubuntu')
+              run: |
+                sudo apt-get update -qq
+                sudo apt-get install -y bison comerr-dev flex libcap-ng-dev libdb-dev libedit-dev libjson-perl libldap2-dev libncurses5-dev libperl4-corelibs-perl libsqlite3-dev libkeyutils-dev pkg-config python ss-dev texinfo unzip netbase keyutils ldap-utils gdb apport curl libmicrohttpd-dev jq valgrind
+                # Temporary workaround for:
+                # https://github.com/actions/virtual-environments/issues/3185
+                sudo hostname localhost
+            - name: Build
+              env:
+                CC: ${{ matrix.compiler }}
+                MAKEVARS: ${{ matrix.makevars }}
+                CONFIGURE_OPTS:  ${{ matrix.configureopts }}
+              run: |
+                /bin/sh ./autogen.sh
+                mkdir build
+                cd build
+                ../configure --srcdir=`dirname "$PWD"` --enable-maintainer-mode --enable-developer --with-ldap $CONFIGURE_OPTS --prefix=$HOME/inst CFLAGS="-Wno-error=shadow -Wno-error=bad-function-cast -Wno-error=unused-function -Wno-error=unused-result -Wno-error=deprecated-declarations"
+                ulimit -c unlimited
+                make -j4
+                make check
+                make install
+            - name: Valgrind output
+              run: |
+                find . -name \*.log -print0|xargs -0 grep '^==[1-9]' || true
+            - name: Core dump stacks
+              run: |
+                echo "thread apply all bt" > /tmp/x
+                find . -name core -print | while read core; do gdb -batch -x x `file "$core"|sed -e "s/^[^']*'//" -e "s/[ '].*$//"` "$core"; done
+                if [ "$(find . -name core -print | wc -l)" -gt 0 ]; then false; fi
+            - name: Test logs
+              if: ${{ failure() }}
+              run: |
+                find build -name \*.trs|xargs grep -lw FAIL|sed -e 's/trs$/log/'|xargs cat
+            - name: distclean
+              run: |
+                cd build
+                make distclean
+                if [ "$(git ls-files -o|grep -v ^build/ | wc -l)" -ne 0 ]; then
+                  echo "Files not removed by make distclean:"
+                  git ls-files -o|grep -v ^build/
+                fi
+
+    osx:
+        runs-on: ${{ matrix.os }}
+        strategy:
+            fail-fast: false
+            matrix:
+                name: [osx-clang]
+                include:
+                    - name: osx-clang
+                      os: macos-latest
+                      compiler: clang
+        steps:
+            - name: Install packages
+              run: |
+                echo "bison, flex, ncurses, texinfo, and unzip are in the base OS."
+                echo "berkeley-db, perl, python, curl, and jq are installed in the"
+                echo "base image already."
+                brew install autoconf automake libtool cpanm
+                sudo cpanm install JSON
+            - name: Clone repository
+              uses: actions/checkout@v1
+            - name: Build
+              env:
+                CC: ${{ matrix.compiler }}
+                MAKEVARS: ${{ matrix.makevars }}
+                CONFIGURE_OPTS:  ${{ matrix.configureopts }}
+              run: |
+                /bin/sh ./autogen.sh
+                mkdir build
+                cd build
+                ../configure --srcdir=`dirname "$PWD"` --disable-afs-support --enable-maintainer-mode --enable-developer $CONFIGURE_OPTS --prefix=$HOME/inst CFLAGS="-Wno-error=shadow -Wno-error=bad-function-cast -Wno-error=unused-function -Wno-error=unused-result -Wno-error=deprecated-declarations"
+                ulimit -c unlimited
+                make -j4
+                make check
+                make install
+            - name: Test logs
+              if: ${{ failure() }}
+              run: |
+                find build -name \*.trs|xargs grep -lw FAIL|sed -e 's/trs$/log/'|xargs cat
+            - name: distclean
+              run: |
+                cd build
+                make distclean
+                if [ "$(git ls-files -o|grep -v ^build/ | wc -l)" -ne 0 ]; then
+                  echo "Files not removed by make distclean:"
+                  git ls-files -o|grep -v ^build/
+                fi
+
+    windows:
+        runs-on: windows-latest
+        env:
+            APPVER: '10.0'
+            CODESIGN_PKT: 0000000000000000
+            INSTALL_DIR: C:\heimdal
+            WINSDKVER: '10.0.22000.0'
+            WIXDIR: 'c:\Program Files (x86)\Windows Installer XML v3.5'
+        steps:
+            - name: Clone repository
+              uses: actions/checkout@v1
+            - name: Find MSVC and run vcvarsall.bat
+              uses: ilammy/msvc-dev-cmd@v1
+              with:
+                arch: amd64
+            - name: Build
+              shell: cmd
+              run: |
+                set PATH=%PATH%;C:\msys64\usr\bin;C:\Program Files (x86)\HTML Help Workshop;C:\program files (x86)\windows installer xml v3.5\bin;C:\cygwin\bin
+                set CODESIGN_PKT=0000000000000000
+                set dbg__type=Debug
+                mkdir %INSTALL_DIR%
+                pacman --noconfirm -S zstd
+                pacman --noconfirm -S autoconf
+                pacman --noconfirm -S automake
+                pacman --noconfirm -S flex
+                pacman --noconfirm -S bison
+                pacman --noconfirm -S perl
+                pacman --noconfirm -S perl-JSON
+                set PATH=%PATH%;%wix%bin
+                title Heimdal Build %CPU% %dbg__type%
+                set "PATH=%PATH%;C:\Perl64\bin;C:\tools\cygwin\bin;C:\Program Files (x86)\HTML Help Workshop"
+                set "PATH=%PATH%;C:/msys64/usr/bin"
+                set "PATH=%PATH%;C:\program files (x86)\windows installer xml v3.5\bin;C:\cygwin\bin"
+                set "PATH=%PATH%;C:\Python310-x64"
+                echo PATH=%PATH%
+                nmake /f NTMakefile APPVEYOR=1 MAKEINFO=makeinfo NO_INSTALLERS=1
+                nmake /f NTMakefile APPVEYOR=1 MAKEINFO=makeinfo NO_INSTALLERS=1 test
diff --git a/.github/workflows/windows.yml b/.github/workflows/windows.yml
new file mode 100644
index 000000000..ed05e54a5
--- /dev/null
+++ b/.github/workflows/windows.yml
@@ -0,0 +1,195 @@
+name: Build
+
+on:
+    push:
+      paths:
+         - '!docs/**'
+         - '!**.md'
+         - '!**.[1-9]'
+         - '**.[chly]'
+         - '**.hin'
+         - '**.in'
+         - '**.am'
+         - '**.m4'
+         - '**.ac'
+         - '**.pl'
+         - '**.py'
+         - '**.asn1'
+         - '**.opt'
+         - '**/NTMakefile'
+         - '**/COPYING'
+         - '**/INSTALL'
+         - '**/README*'
+         - '.github/workflows/build.yml'
+         - '!appveyor.yml'
+         - '!.travis.yml'
+
+    pull_request:
+      paths:
+         - '!docs/**'
+         - '!**.md'
+         - '!**.[1-9]'
+         - '**.[chly]'
+         - '**.hin'
+         - '**.in'
+         - '**.am'
+         - '**.m4'
+         - '**.ac'
+         - '**.pl'
+         - '**.py'
+         - '**.asn1'
+         - '**.opt'
+         - '**/NTMakefile'
+         - '**/COPYING'
+         - '**/INSTALL'
+         - '**/README*'
+         - '.github/workflows/build.yml'
+         - '!appveyor.yml'
+         - '!.travis.yml'
+
+jobs:
+
+    unix:
+        runs-on: ${{ matrix.os }}
+        strategy:
+            fail-fast: false
+            matrix:
+                name: [linux-clang, linux-gcc]
+                include:
+                    - name: linux-clang
+                      os: ubuntu-18.04
+                      compiler: clang
+                    - name: linux-gcc
+                      os: ubuntu-18.04
+                      compiler: gcc
+        steps:
+            - name: Clone repository
+              uses: actions/checkout@v1
+            - name: Install packages
+              if: startsWith(matrix.os, 'ubuntu')
+              run: |
+                sudo apt-get update -qq
+                sudo apt-get install -y bison comerr-dev flex libcap-ng-dev libdb-dev libedit-dev libjson-perl libldap2-dev libncurses5-dev libperl4-corelibs-perl libsqlite3-dev libkeyutils-dev pkg-config python ss-dev texinfo unzip netbase keyutils ldap-utils gdb apport curl libmicrohttpd-dev jq valgrind
+                # Temporary workaround for:
+                # https://github.com/actions/virtual-environments/issues/3185
+                sudo hostname localhost
+            - name: Build
+              env:
+                CC: ${{ matrix.compiler }}
+                MAKEVARS: ${{ matrix.makevars }}
+                CONFIGURE_OPTS:  ${{ matrix.configureopts }}
+              run: |
+                /bin/sh ./autogen.sh
+                mkdir build
+                cd build
+                ../configure --srcdir=`dirname "$PWD"` --enable-maintainer-mode --enable-developer --with-ldap $CONFIGURE_OPTS --prefix=$HOME/inst CFLAGS="-Wno-error=shadow -Wno-error=bad-function-cast -Wno-error=unused-function -Wno-error=unused-result -Wno-error=deprecated-declarations"
+                ulimit -c unlimited
+                make -j4
+                make check
+                make install
+            - name: Valgrind output
+              run: |
+                find . -name \*.log -print0|xargs -0 grep '^==[1-9]' || true
+            - name: Core dump stacks
+              run: |
+                echo "thread apply all bt" > /tmp/x
+                find . -name core -print | while read core; do gdb -batch -x x `file "$core"|sed -e "s/^[^']*'//" -e "s/[ '].*$//"` "$core"; done
+                if [ "$(find . -name core -print | wc -l)" -gt 0 ]; then false; fi
+            - name: Test logs
+              if: ${{ failure() }}
+              run: |
+                find build -name \*.trs|xargs grep -lw FAIL|sed -e 's/trs$/log/'|xargs cat
+            - name: distclean
+              run: |
+                cd build
+                make distclean
+                if [ "$(git ls-files -o|grep -v ^build/ | wc -l)" -ne 0 ]; then
+                  echo "Files not removed by make distclean:"
+                  git ls-files -o|grep -v ^build/
+                fi
+
+    osx:
+        runs-on: ${{ matrix.os }}
+        strategy:
+            fail-fast: false
+            matrix:
+                name: [osx-clang]
+                include:
+                    - name: osx-clang
+                      os: macos-latest
+                      compiler: clang
+        steps:
+            - name: Install packages
+              run: |
+                echo "bison, flex, ncurses, texinfo, and unzip are in the base OS."
+                echo "berkeley-db, perl, python, curl, and jq are installed in the"
+                echo "base image already."
+                brew install autoconf automake libtool cpanm
+                sudo cpanm install JSON
+            - name: Clone repository
+              uses: actions/checkout@v1
+            - name: Build
+              env:
+                CC: ${{ matrix.compiler }}
+                MAKEVARS: ${{ matrix.makevars }}
+                CONFIGURE_OPTS:  ${{ matrix.configureopts }}
+              run: |
+                /bin/sh ./autogen.sh
+                mkdir build
+                cd build
+                ../configure --srcdir=`dirname "$PWD"` --disable-afs-support --enable-maintainer-mode --enable-developer $CONFIGURE_OPTS --prefix=$HOME/inst CFLAGS="-Wno-error=shadow -Wno-error=bad-function-cast -Wno-error=unused-function -Wno-error=unused-result -Wno-error=deprecated-declarations"
+                ulimit -c unlimited
+                make -j4
+                make check
+                make install
+            - name: Test logs
+              if: ${{ failure() }}
+              run: |
+                find build -name \*.trs|xargs grep -lw FAIL|sed -e 's/trs$/log/'|xargs cat
+            - name: distclean
+              run: |
+                cd build
+                make distclean
+                if [ "$(git ls-files -o|grep -v ^build/ | wc -l)" -ne 0 ]; then
+                  echo "Files not removed by make distclean:"
+                  git ls-files -o|grep -v ^build/
+                fi
+
+    windows:
+        runs-on: windows-latest
+        env:
+            APPVER: '10.0'
+            CODESIGN_PKT: 0000000000000000
+            INSTALL_DIR: C:\heimdal
+            WINSDKVER: '10.0.22000.0'
+            WIXDIR: 'c:\Program Files (x86)\Windows Installer XML v3.5'
+        steps:
+            - name: Clone repository
+              uses: actions/checkout@v1
+            - name: Find MSVC and run vcvarsall.bat
+              uses: ilammy/msvc-dev-cmd@v1
+              with:
+                arch: amd64
+            - name: Build
+              shell: cmd
+              run: |
+                set PATH=%PATH%;C:\msys64\usr\bin;C:\Program Files (x86)\HTML Help Workshop;C:\program files (x86)\windows installer xml v3.5\bin;C:\cygwin\bin
+                set CODESIGN_PKT=0000000000000000
+                set dbg__type=Debug
+                mkdir %INSTALL_DIR%
+                pacman --noconfirm -S zstd
+                pacman --noconfirm -S autoconf
+                pacman --noconfirm -S automake
+                pacman --noconfirm -S flex
+                pacman --noconfirm -S bison
+                pacman --noconfirm -S perl
+                pacman --noconfirm -S perl-JSON
+                set PATH=%PATH%;%wix%bin
+                title Heimdal Build %CPU% %dbg__type%
+                set "PATH=%PATH%;C:\Perl64\bin;C:\tools\cygwin\bin;C:\Program Files (x86)\HTML Help Workshop"
+                set "PATH=%PATH%;C:/msys64/usr/bin"
+                set "PATH=%PATH%;C:\program files (x86)\windows installer xml v3.5\bin;C:\cygwin\bin"
+                set "PATH=%PATH%;C:\Python310-x64"
+                echo PATH=%PATH%
+                nmake /f NTMakefile APPVEYOR=1 MAKEINFO=makeinfo NO_INSTALLERS=1
+                nmake /f NTMakefile APPVEYOR=1 MAKEINFO=makeinfo NO_INSTALLERS=1 test