Merge branch 'master' into unsupported/binary

automated install/basic-install.sh

@@ -94,8 +94,8 @@ fresh_install=true
 
 adlistFile="/etc/pihole/adlists.list"
 # Pi-hole needs an IP address; to begin, these variables are empty since we don't know what the IP is until this script can run
-IPV4_ADDRESS=${IPV4_ADDRESS}
-IPV6_ADDRESS=${IPV6_ADDRESS}
+IPV4_ADDRESS=
+IPV6_ADDRESS=
 # Give settings their default values. These may be changed by prompts later in the script.
 QUERY_LOGGING=
 PRIVACY_LEVEL=
@@ -116,11 +116,11 @@ c=70
 PIHOLE_META_PACKAGE_CONTROL_APT=$(
     cat <<EOM
 Package: pihole-meta
-Version: 0.4
+Version: 0.6
 Maintainer: Pi-hole team <adblock@pi-hole.net>
 Architecture: all
 Description: Pi-hole dependency meta package
-Depends: awk,bash-completion,binutils,ca-certificates,cron|cron-daemon,curl,dialog,dnsutils,dns-root-data,git,grep,iproute2,iputils-ping,jq,libcap2,libcap2-bin,lshw,netcat-openbsd,procps,psmisc,sudo,unzip
+Depends: awk,bash-completion,binutils,ca-certificates,cron|cron-daemon,curl,dialog,bind9-dnsutils|dnsutils,dns-root-data,git,grep,iproute2,iputils-ping,jq,libcap2,libcap2-bin,lshw,procps,psmisc,sudo,unzip
 Section: contrib/metapackages
 Priority: optional
 EOM
@@ -130,12 +130,12 @@ EOM
 PIHOLE_META_PACKAGE_CONTROL_RPM=$(
     cat <<EOM
 Name: pihole-meta
-Version: 0.2
+Version: 0.3
 Release: 1
 License: EUPL
 BuildArch: noarch
 Summary: Pi-hole dependency meta package
-Requires: bash-completion,bind-utils,binutils,ca-certificates,chkconfig,cronie,curl,dialog,findutils,gawk,git,grep,iproute,jq,libcap,lshw,nmap-ncat,procps-ng,psmisc,sudo,unzip
+Requires: bash-completion,bind-utils,binutils,ca-certificates,chkconfig,cronie,curl,dialog,findutils,gawk,git,grep,iproute,jq,libcap,lshw,procps-ng,psmisc,sudo,unzip
 %description
 Pi-hole dependency meta package
 %prep
@@ -143,6 +143,9 @@ Pi-hole dependency meta package
 %files
 %install
 %changelog
+* Mon Jul 14 2025 Pi-hole Team - 0.3
+- Remove nmap-ncat from the list of dependencies
+
 * Wed May 28 2025 Pi-hole Team - 0.2
 - Add gawk to the list of dependencies
 
@@ -151,6 +154,35 @@ Pi-hole dependency meta package
 EOM
 )
 
+# List of required packages on APK based systems
+PIHOLE_META_VERSION_APK=0.2
+PIHOLE_META_DEPS_APK=(
+    bash
+    bash-completion
+    bind-tools
+    binutils
+    coreutils
+    cronie
+    curl
+    dialog
+    git
+    grep
+    iproute2-minimal # piholeARPTable.sh
+    iproute2-ss # piholeDebug.sh
+    jq
+    libcap
+    logrotate
+    lscpu # piholeDebug.sh
+    lshw # piholeDebug.sh
+    ncurses
+    procps-ng
+    psmisc
+    shadow
+    sudo
+    tzdata
+    unzip
+)
+
 ######## Undocumented Flags. Shhh ########
 # These are undocumented flags; some of which we can use when repairing an installation
 # The runUnattended flag is one example of this
@@ -159,13 +191,24 @@ runUnattended=false
 skipFTL=false
 # Check arguments for the undocumented flags
 for var in "$@"; do
-    case "$var" in
+    case "${var}" in
     "--repair") repair=true ;;
     "--unattended") runUnattended=true ;;
     "--skipFTL") skipFTL=true ;;
     esac
 done
 
+if [[ "${runUnattended}" == true ]]; then
+    # In order to run an unattended setup, a pre-seeded /etc/pihole/pihole.toml must exist
+    if [[ ! -f "${PI_HOLE_CONFIG_DIR}/pihole.toml" ]]; then
+        printf "  %b Error: \"%s\" not found. Cannot run unattended setup\\n" "${CROSS}" "${PI_HOLE_CONFIG_DIR}/pihole.toml"
+        exit 1
+    fi
+    printf "  %b Performing unattended setup, no dialogs will be displayed\\n" "${INFO}"
+    # also disable debconf-apt-progress dialogs
+    export DEBIAN_FRONTEND="noninteractive"
+fi
+
 # If the color table file exists,
 if [[ -f "${coltable}" ]]; then
     # source it
@@ -270,7 +313,15 @@ package_manager_detect() {
         PKG_COUNT="${PKG_MANAGER} check-update | grep -E '(.i686|.x86|.noarch|.arm|.src|.riscv64)' | wc -l || true"
         # The command we will use to remove packages (used in the uninstaller)
         PKG_REMOVE="${PKG_MANAGER} remove -y"
-    # If neither apt-get or yum/dnf package managers were found
+
+    # If neither apt-get or yum/dnf package managers were found, check for apk.
+    elif is_command apk; then
+        PKG_MANAGER="apk"
+        UPDATE_PKG_CACHE="${PKG_MANAGER} update"
+        PKG_INSTALL="${PKG_MANAGER} add"
+        PKG_COUNT="${PKG_MANAGER} list --upgradable -q | wc -l"
+        PKG_REMOVE="${PKG_MANAGER} del"
+
     else
         # we cannot install required packages
         printf "  %b No supported package manager found\\n" "${CROSS}"
@@ -281,13 +332,20 @@ package_manager_detect() {
 
 build_dependency_package(){
     # This function will build a package that contains all the dependencies needed for Pi-hole
+    if is_command apk ; then
+        local str="APK based system detected. Dependencies will be installed using a virtual package named pihole-meta"
+        printf "  %b %s...\\n" "${INFO}" "${str}"
+        return 0
+    fi
 
     # remove any leftover build directory that may exist
     rm -rf /tmp/pihole-meta_*
 
     # Create a fresh build directory with random name
+    # Busybox Compat: `mktemp` long flags unsupported
+    #   -d flag is short form of --directory
     local tempdir
-    tempdir="$(mktemp --directory /tmp/pihole-meta_XXXXX)"
+    tempdir="$(mktemp -d /tmp/pihole-meta_XXXXX)"
     chmod 0755 "${tempdir}"
 
     if is_command apt-get; then
@@ -575,14 +633,17 @@ Do you wish to continue with an IPv6-only installation?\\n\\n" \
     ;;
     esac
 
-    DNS_SERVERS="$DNS_SERVERS_IPV6_ONLY"
+    DNS_SERVERS="${DNS_SERVERS_IPV6_ONLY}"
     printf "  %b Proceeding with IPv6 only installation.\\n" "${INFO}"
 }
 
 # Get available interfaces that are UP
 get_available_interfaces() {
     # There may be more than one so it's all stored in a variable
-    availableInterfaces=$(ip --oneline link show up | awk '{print $2}' |  grep -v "^lo" | cut -d':' -f1 | cut -d'@' -f1)
+    # The ip command list all interfaces that are in the up state
+    # The awk command filters out any interfaces that have the LOOPBACK flag set
+    # while using the characters ": " or "@" as a field separator for awk
+    availableInterfaces=$(ip --oneline link show up | awk -F ': |@' '!/<.*LOOPBACK.*>/ {print $2}')
 }
 
 # A function for displaying the dialogs the user sees when first running the installer
@@ -645,6 +706,7 @@ chooseInterface() {
             status="OFF"
         done
         # Disable check for double quote here as we are passing a string with spaces
+        # shellcheck disable=SC2086
         PIHOLE_INTERFACE=$(dialog --no-shadow --keep-tite --output-fd 1 \
             --cancel-label "Exit" --ok-label "Select" \
             --radiolist "Choose An Interface (press space to toggle selection)" \
@@ -670,9 +732,9 @@ testIPv6() {
     # first will contain fda2 (ULA)
     printf -v first "%s" "${1%%:*}"
     # value1 will contain 253 which is the decimal value corresponding to 0xFD
-    value1=$(((0x$first) / 256))
+    value1=$(((0x${first}) / 256))
     # value2 will contain 162 which is the decimal value corresponding to 0xA2
-    value2=$(((0x$first) % 256))
+    value2=$(((0x${first}) % 256))
     # the ULA test is testing for fc00::/7 according to RFC 4193
     if (((value1 & 254) == 252)); then
         # echoing result to calling function as return value
@@ -697,7 +759,7 @@ find_IPv6_information() {
     # For each address in the array above, determine the type of IPv6 address it is
     for i in "${IPV6_ADDRESSES[@]}"; do
         # Check if it's ULA, GUA, or LL by using the function created earlier
-        result=$(testIPv6 "$i")
+        result=$(testIPv6 "${i}")
         # If it's a ULA address, use it and store it as a global variable
         [[ "${result}" == "ULA" ]] && ULA_ADDRESS="${i%/*}"
         # If it's a GUA address, use it and store it as a global variable
@@ -732,7 +794,7 @@ collect_v4andv6_information() {
     printf "  %b IPv4 address: %s\\n" "${INFO}" "${IPV4_ADDRESS}"
     find_IPv6_information
     printf "  %b IPv6 address: %s\\n" "${INFO}" "${IPV6_ADDRESS}"
-    if [ "$IPV4_ADDRESS" == "" ] && [ "$IPV6_ADDRESS" != "" ]; then
+    if [ "${IPV4_ADDRESS}" == "" ] && [ "${IPV6_ADDRESS}" != "" ]; then
         confirm_ipv6_only
     fi
 }
@@ -752,7 +814,7 @@ valid_ip() {
     local regex="^${ipv4elem}\\.${ipv4elem}\\.${ipv4elem}\\.${ipv4elem}${portelem}$"
 
     # Evaluate the regex, and return the result
-    [[ $ip =~ ${regex} ]]
+    [[ ${ip} =~ ${regex} ]]
 
     stat=$?
     return "${stat}"
@@ -787,7 +849,7 @@ setDNS() {
     DNSChooseOptions=()
     local DNSServerCount=0
     # Save the old Internal Field Separator in a variable,
-    OIFS=$IFS
+    OIFS=${IFS}
     # and set the new one to newline
     IFS=$'\n'
     # Put the DNS Servers into an array
@@ -855,7 +917,7 @@ If you want to specify a port other than 53, separate it with a hash.\
             esac
 
             # Clean user input and replace whitespace with comma.
-            piholeDNS=$(sed 's/[, \t]\+/,/g' <<<"${piholeDNS}")
+            piholeDNS="${piholeDNS//[[:blank:]]/,}"
 
             # Separate the user input into the two DNS values (separated by a comma)
             printf -v PIHOLE_DNS_1 "%s" "${piholeDNS%%,*}"
@@ -911,7 +973,7 @@ If you want to specify a port other than 53, separate it with a hash.\
         done
     else
         # Save the old Internal Field Separator in a variable,
-        OIFS=$IFS
+        OIFS=${IFS}
         # and set the new one to newline
         IFS=$'\n'
         for DNSServer in ${DNS_SERVERS}; do
@@ -1133,7 +1195,8 @@ installScripts() {
         install -o "${USER}" -Dm755 -t "${PI_HOLE_INSTALL_DIR}" ./automated\ install/uninstall.sh
         install -o "${USER}" -Dm755 -t "${PI_HOLE_INSTALL_DIR}" ./advanced/Scripts/COL_TABLE
         install -o "${USER}" -Dm755 -t "${PI_HOLE_BIN_DIR}" pihole
-        install -Dm644 ./advanced/bash-completion/pihole /etc/bash_completion.d/pihole
+        install -Dm644 ./advanced/bash-completion/pihole.bash /etc/bash_completion.d/pihole
+        install -Dm644 ./advanced/bash-completion/pihole-ftl.bash /etc/bash_completion.d/pihole-FTL
         printf "%b  %b %s\\n" "${OVER}" "${TICK}" "${str}"
 
     else
@@ -1172,7 +1235,12 @@ installConfigs() {
         # Load final service
         systemctl daemon-reload
     else
-        install -T -m 0755 "${PI_HOLE_LOCAL_REPO}/advanced/Templates/pihole-FTL.service" '/etc/init.d/pihole-FTL'
+        local INIT="service"
+        if is_command openrc; then
+            INIT="openrc"
+        fi
+
+        install -T -m 0755 "${PI_HOLE_LOCAL_REPO}/advanced/Templates/pihole-FTL.${INIT}" '/etc/init.d/pihole-FTL'
     fi
     install -T -m 0755 "${PI_HOLE_LOCAL_REPO}/advanced/Templates/pihole-FTL-prestart.sh" "${PI_HOLE_INSTALL_DIR}/pihole-FTL-prestart.sh"
     install -T -m 0755 "${PI_HOLE_LOCAL_REPO}/advanced/Templates/pihole-FTL-poststop.sh" "${PI_HOLE_INSTALL_DIR}/pihole-FTL-poststop.sh"
@@ -1196,10 +1264,6 @@ install_manpage() {
         # if not present, create man8 directory
         install -d -m 755 /usr/local/share/man/man8
     fi
-    if [[ ! -d "/usr/local/share/man/man5" ]]; then
-        # if not present, create man5 directory
-        install -d -m 755 /usr/local/share/man/man5
-    fi
     # Testing complete, copy the files & update the man db
     install -D -m 644 -T ${PI_HOLE_LOCAL_REPO}/manpages/pihole.8 /usr/local/share/man/man8/pihole.8
 
@@ -1261,6 +1325,8 @@ enable_service() {
     if is_command systemctl; then
         # use that to enable the service
         systemctl -q enable "${1}"
+    elif is_command openrc; then
+        rc-update add "${1}" "${2:-default}" &> /dev/null
     else
         #  Otherwise, use update-rc.d to accomplish this
         update-rc.d "${1}" defaults >/dev/null
@@ -1276,7 +1342,10 @@ disable_service() {
     # If systemctl exists,
     if is_command systemctl; then
         # use that to disable the service
-        systemctl -q disable "${1}"
+        systemctl -q disable --now "${1}"
+    elif is_command openrc; then
+        rc-update del "${1}" "${2:-default}" &> /dev/null
+
     else
         # Otherwise, use update-rc.d to accomplish this
         update-rc.d "${1}" disable >/dev/null
@@ -1289,6 +1358,8 @@ check_service_active() {
     if is_command systemctl; then
         # use that to check the status of the service
         systemctl -q is-enabled "${1}" 2>/dev/null
+    elif is_command openrc; then
+        rc-status default boot | grep -q "${1}"
     else
         # Otherwise, fall back to service command
         service "${1}" status &>/dev/null
@@ -1390,8 +1461,27 @@ install_dependent_packages() {
             printf "  %b Error: Unable to find Pi-hole dependency package.\\n" "${COL_RED}"
             return 1
         fi
+    # Install Alpine packages
+    elif is_command apk; then
+        local repo_str="Ensuring alpine 'community' repo is enabled."
+        printf "%b  %b %s" "${OVER}" "${INFO}" "${repo_str}"
 
-    # If neither apt-get or yum/dnf package managers were found
+        local pattern='^\s*#(.*/community/?)\s*$'
+        sed -Ei "s:${pattern}:\1:" /etc/apk/repositories
+        if grep -Eq "${pattern}" /etc/apk/repositories; then
+            # Repo still commented out = Failure
+            printf "%b  %b %s\\n" "${OVER}" "${CROSS}" "${repo_str}"
+        else
+            printf "%b  %b %s\\n" "${OVER}" "${TICK}" "${repo_str}"
+        fi
+        printf "  %b %s..." "${INFO}" "${str}"
+        if { ${PKG_INSTALL} -q -t "pihole-meta=${PIHOLE_META_VERSION_APK}" "${PIHOLE_META_DEPS_APK[@]}" &>/dev/null; }; then
+            printf "%b  %b %s\\n" "${OVER}" "${TICK}" "${str}"
+        else
+            printf "%b  %b %s\\n" "${OVER}" "${CROSS}" "${str}"
+            printf "  %b Error: Unable to install Pi-hole dependency package.\\n" "${COL_RED}"
+            return 1
+        fi
     else
         # we cannot install the dependency package
         printf "  %b No supported package manager found\\n" "${CROSS}"
@@ -1416,6 +1506,15 @@ installCron() {
     # Randomize update checker time
     sed -i "s/59 17/$((1 + RANDOM % 58)) $((12 + RANDOM % 8))/" /etc/cron.d/pihole
     printf "%b  %b %s\\n" "${OVER}" "${TICK}" "${str}"
+
+    # Switch off of busybox cron on alpine
+    if is_command openrc; then
+        printf "  %b Switching from busybox crond to cronie...\\n" "${INFO}"
+        stop_service crond
+        disable_service crond
+        enable_service cronie
+        restart_service cronie
+    fi
 }
 
 # Gravity is a very important script as it aggregates all of the domains into a single HOSTS formatted list,
@@ -1465,7 +1564,7 @@ create_pihole_user() {
             # then create and add her to the pihole group
             local str="Creating user 'pihole'"
             printf "%b  %b %s..." "${OVER}" "${INFO}" "${str}"
-            if useradd -r --no-user-group -g pihole -s /usr/sbin/nologin pihole; then
+            if useradd -r --no-user-group -g pihole -s "$(command -v nologin)" pihole; then
                 printf "%b  %b %s\\n" "${OVER}" "${TICK}" "${str}"
             else
                 printf "%b  %b %s\\n" "${OVER}" "${CROSS}" "${str}"
@@ -1480,7 +1579,7 @@ create_pihole_user() {
                 # create and add pihole user to the pihole group
                 local str="Creating user 'pihole'"
                 printf "%b  %b %s..." "${OVER}" "${INFO}" "${str}"
-                if useradd -r --no-user-group -g pihole -s /usr/sbin/nologin pihole; then
+                if useradd -r --no-user-group -g pihole -s "$(command -v nologin)" pihole; then
                     printf "%b  %b %s\\n" "${OVER}" "${TICK}" "${str}"
                 else
                     printf "%b  %b %s\\n" "${OVER}" "${CROSS}" "${str}"
@@ -1632,9 +1731,9 @@ check_download_exists() {
     status=$(curl --head --silent "https://ftl.pi-hole.net/${1}" | head -n 1)
 
     # Check the status code
-    if grep -q "200" <<<"$status"; then
+    if grep -q "200" <<<"${status}"; then
         return 0
-    elif grep -q "404" <<<"$status"; then
+    elif grep -q "404" <<<"${status}"; then
         return 1
     fi
 
@@ -1667,7 +1766,7 @@ get_available_branches() {
     # Get reachable remote branches, but store STDERR as STDOUT variable
     output=$({ git ls-remote --heads --quiet | cut -d'/' -f3- -; } 2>&1)
     # echo status for calling function to capture
-    echo "$output"
+    echo "${output}"
     return
 }
 
@@ -1700,9 +1799,9 @@ checkout_pull_branch() {
     oldbranch="$(git symbolic-ref HEAD)"
 
     str="Switching to branch: '${branch}' from '${oldbranch}'"
-    printf "  %b %s" "${INFO}" "$str"
+    printf "  %b %s" "${INFO}" "${str}"
     git checkout "${branch}" --quiet || return 1
-    printf "%b  %b %s\\n" "${OVER}" "${TICK}" "$str"
+    printf "%b  %b %s\\n" "${OVER}" "${TICK}" "${str}"
     # Data in the repositories is public anyway so we can make it readable by everyone (+r to keep executable permission if already set by git)
     chmod -R a+rX "${directory}"
 
@@ -1717,6 +1816,12 @@ clone_or_reset_repos() {
     # If the user wants to repair/update,
     if [[ "${repair}" == true ]]; then
         printf "  %b Resetting local repos\\n" "${INFO}"
+
+        # import getFTLConfigValue from utils.sh
+        source "/opt/pihole/utils.sh"
+        # Use the configured Web repo location on repair/update
+        webInterfaceDir=$(getFTLConfigValue "webserver.paths.webroot")$(getFTLConfigValue "webserver.paths.webhome")
+
         # Reset the Core repo
         resetRepo ${PI_HOLE_LOCAL_REPO} ||
             {
@@ -1790,8 +1895,12 @@ FTLinstall() {
             # Before stopping FTL, we download the macvendor database
             curl -sSL "https://ftl.pi-hole.net/macvendor.db" -o "${PI_HOLE_CONFIG_DIR}/macvendor.db" || true
 
-            # Stop pihole-FTL service if available
-            stop_service pihole-FTL >/dev/null
+
+            # If the binary already exists in /usr/bin, then we need to stop the service
+            # If the binary does not exist (fresh installs), then we can skip this step.
+            if [[ -f /usr/bin/pihole-FTL ]]; then
+                stop_service pihole-FTL >/dev/null
+            fi
 
             # Install the new version with the correct permissions
             install -T -m 0755 "${binary}" /usr/bin/pihole-FTL
@@ -1905,7 +2014,7 @@ get_binary_name() {
         l_binary="pihole-FTL-riscv64"
     else
         # Something else - we try to use 32bit executable and warn the user
-        if [[ ! "${machine}" == "i686" ]]; then
+        if [[ "${machine}" != "i686" ]]; then
             printf "%b  %b %s...\\n" "${OVER}" "${CROSS}" "${str}"
             printf "  %b %bNot able to detect architecture (unknown: %s), trying x86 (32bit) executable%b\\n" "${INFO}" "${COL_RED}" "${machine}" "${COL_NC}"
             printf "  %b Contact Pi-hole Support if you experience issues (e.g: FTL not running)\\n" "${INFO}"
@@ -1939,14 +2048,14 @@ FTLcheckUpdate() {
     local remoteSha1
     local localSha1
 
-    if [[ ! "${ftlBranch}" == "master" ]]; then
+    if [[ "${ftlBranch}" != "master" ]]; then
         # This is not the master branch
         local path
         path="${ftlBranch}/${binary}"
 
         # Check whether or not the binary for this FTL branch actually exists. If not, then there is no update!
         local status
-        if ! check_download_exists "$path"; then
+        if ! check_download_exists "${path}"; then
             status=$?
             if [ "${status}" -eq 1 ]; then
                 printf "  %b Branch \"%s\" is not available.\\n" "${INFO}" "${ftlBranch}"
@@ -2049,11 +2158,11 @@ make_temporary_log() {
     TEMPLOG=$(mktemp /tmp/pihole_temp.XXXXXX)
     # Open handle 3 for templog
     # https://stackoverflow.com/questions/18460186/writing-outputs-to-log-file-and-console
-    exec 3>"$TEMPLOG"
+    exec 3>"${TEMPLOG}"
     # Delete templog, but allow for addressing via file handle
     # This lets us write to the log without having a temporary file on the drive, which
     # is meant to be a security measure so there is not a lingering file on the drive during the install process
-    rm "$TEMPLOG"
+    rm "${TEMPLOG}"
 }
 
 copy_to_install_log() {
@@ -2240,15 +2349,6 @@ main() {
         printf "  %b %b--skipFTL set - skipping architecture check%b\\n" "${INFO}" "${COL_YELLOW}" "${COL_NC}"
     fi
 
-    if [[ "${fresh_install}" == false ]]; then
-        # if it's running unattended,
-        if [[ "${runUnattended}" == true ]]; then
-            printf "  %b Performing unattended setup, no dialogs will be displayed\\n" "${INFO}"
-            # also disable debconf-apt-progress dialogs
-            export DEBIAN_FRONTEND="noninteractive"
-        fi
-    fi
-
     if [[ "${fresh_install}" == true ]]; then
         # Display welcome dialogs
         welcomeDialogs
@@ -2354,7 +2454,7 @@ main() {
         if [ -n "${PIHOLE_DNS_1}" ]; then
             local string="\"${PIHOLE_DNS_1}\""
             [ -n "${PIHOLE_DNS_2}" ] && string+=", \"${PIHOLE_DNS_2}\""
-            setFTLConfigValue "dns.upstreams" "[ $string ]"
+            setFTLConfigValue "dns.upstreams" "[ ${string} ]"
         fi
 
         if [ -n "${QUERY_LOGGING}" ]; then
@@ -2405,7 +2505,7 @@ main() {
 \\n\\nIPv4:	${IPV4_ADDRESS%/*}\
 \\nIPv6:	${IPV6_ADDRESS:-"Not Configured"}\
 \\nIf you have not done so already, the above IP should be set to static.\
-\\nView the web interface at http://pi.hole/admin:${WEBPORT} or http://${IPV4_ADDRESS%/*}:${WEBPORT}/admin\\n\\nYour Admin Webpage login password is ${pw}\
+\\nView the web interface at http://pi.hole:${WEBPORT}/admin or http://${IPV4_ADDRESS%/*}:${WEBPORT}/admin\\n\\nYour Admin Webpage login password is ${pw}\
 \\n
 \\n
 \\nTo allow your user to use all CLI functions without authentication,\

automated install/uninstall.sh

@@ -12,9 +12,7 @@
 source "/opt/pihole/COL_TABLE"
 # shellcheck source="./advanced/Scripts/utils.sh"
 source "/opt/pihole/utils.sh"
-
-ADMIN_INTERFACE_DIR=$(getFTLConfigValue "webserver.paths.webroot")$(getFTLConfigValue "webserver.paths.webhome")
-readonly ADMIN_INTERFACE_DIR
+# getFTLConfigValue() from utils.sh
 
 while true; do
     read -rp "  ${QST} Are you sure you would like to remove ${COL_BOLD}Pi-hole${COL_NC}? [y/N] " answer
@@ -29,125 +27,179 @@ str="Root user check"
 if [[ ${EUID} -eq 0 ]]; then
     echo -e "  ${TICK} ${str}"
 else
-    # Check if sudo is actually installed
-    # If it isn't, exit because the uninstall can not complete
-    if [ -x "$(command -v sudo)" ]; then
-        export SUDO="sudo"
-    else
-        echo -e "  ${CROSS} ${str}
-            Script called with non-root privileges
-            The Pi-hole requires elevated privileges to uninstall"
-        exit 1
-    fi
+    echo -e "  ${CROSS} ${str}
+        Script called with non-root privileges
+        The Pi-hole requires elevated privileges to uninstall"
+    exit 1
 fi
 
-readonly PI_HOLE_FILES_DIR="/etc/.pihole"
+# Get paths for admin interface, log files and database files,
+# to allow deletion where user has specified a non-default location
+ADMIN_INTERFACE_DIR=$(getFTLConfigValue "webserver.paths.webroot")$(getFTLConfigValue "webserver.paths.webhome")
+FTL_LOG=$(getFTLConfigValue "files.log.ftl")
+DNSMASQ_LOG=$(getFTLConfigValue "files.log.dnsmasq")
+WEBSERVER_LOG=$(getFTLConfigValue "files.log.webserver")
+PIHOLE_DB=$(getFTLConfigValue "files.database")
+GRAVITY_DB=$(getFTLConfigValue "files.gravity")
+MACVENDOR_DB=$(getFTLConfigValue "files.macvendor")
+
+PI_HOLE_LOCAL_REPO="/etc/.pihole"
+# Setting SKIP_INSTALL="true" to source the installer functions without running them
 SKIP_INSTALL="true"
 # shellcheck source="./automated install/basic-install.sh"
-source "${PI_HOLE_FILES_DIR}/automated install/basic-install.sh"
-
-# package_manager_detect() sourced from basic-install.sh
-package_manager_detect
-
+source "${PI_HOLE_LOCAL_REPO}/automated install/basic-install.sh"
+# Functions and Variables sources from basic-install:
+# package_manager_detect(), disable_service(), stop_service(),
+# restart service() and is_command()
+# PI_HOLE_CONFIG_DIR PI_HOLE_INSTALL_DIR PI_HOLE_LOCAL_REPO
 
 removeMetaPackage() {
     # Purge Pi-hole meta package
     echo ""
     echo -ne "  ${INFO} Removing Pi-hole meta package...";
-    eval "${SUDO}" "${PKG_REMOVE}" "pihole-meta" &> /dev/null;
+    eval "${PKG_REMOVE}" "pihole-meta" &> /dev/null;
     echo -e "${OVER}  ${INFO} Removed Pi-hole meta package";
-
 }
 
-removePiholeFiles() {
+removeWebInterface() {
     # Remove the web interface of Pi-hole
     echo -ne "  ${INFO} Removing Web Interface..."
-    ${SUDO} rm -rf "${ADMIN_INTERFACE_DIR}" &> /dev/null
+    rm -rf "${ADMIN_INTERFACE_DIR:-/var/www/html/admin/}" &> /dev/null
     echo -e "${OVER}  ${TICK} Removed Web Interface"
+}
 
-    # Attempt to preserve backwards compatibility with older versions
-    # to guarantee no additional changes were made to /etc/crontab after
-    # the installation of pihole, /etc/crontab.pihole should be permanently
-    # preserved.
-    if [[ -f /etc/crontab.orig ]]; then
-        ${SUDO} mv /etc/crontab /etc/crontab.pihole
-        ${SUDO} mv /etc/crontab.orig /etc/crontab
-        ${SUDO} service cron restart
-        echo -e "  ${TICK} Restored the default system cron"
-    fi
+removeFTL() {
+    # Remove FTL and stop any running FTL service
+    if is_command "pihole-FTL"; then
+        # service stop & disable from basic_install.sh
+        stop_service pihole-FTL
+        disable_service pihole-FTL
 
-    # Attempt to preserve backwards compatibility with older versions
-    if [[ -f /etc/cron.d/pihole ]];then
-        ${SUDO} rm -f /etc/cron.d/pihole &> /dev/null
-        echo -e "  ${TICK} Removed /etc/cron.d/pihole"
-    fi
-
-    ${SUDO} rm -rf /var/log/*pihole* &> /dev/null
-    ${SUDO} rm -rf /var/log/pihole/*pihole* &> /dev/null
-    ${SUDO} rm -rf /etc/pihole/ &> /dev/null
-    ${SUDO} rm -rf /etc/.pihole/ &> /dev/null
-    ${SUDO} rm -rf /opt/pihole/ &> /dev/null
-    ${SUDO} rm -f /usr/local/bin/pihole &> /dev/null
-    ${SUDO} rm -f /etc/bash_completion.d/pihole &> /dev/null
-    ${SUDO} rm -f /etc/sudoers.d/pihole &> /dev/null
-    echo -e "  ${TICK} Removed config files"
-
-    # Restore Resolved
-    if [[ -e /etc/systemd/resolved.conf.orig ]] || [[ -e /etc/systemd/resolved.conf.d/90-pi-hole-disable-stub-listener.conf ]]; then
-        ${SUDO} cp -p /etc/systemd/resolved.conf.orig /etc/systemd/resolved.conf &> /dev/null || true
-        ${SUDO} rm -f /etc/systemd/resolved.conf.d/90-pi-hole-disable-stub-listener.conf
-        systemctl reload-or-restart systemd-resolved
-    fi
-
-    # Remove FTL
-    if command -v pihole-FTL &> /dev/null; then
         echo -ne "  ${INFO} Removing pihole-FTL..."
-        if [[ -x "$(command -v systemctl)" ]]; then
-            systemctl stop pihole-FTL
-        else
-            service pihole-FTL stop
-        fi
-        ${SUDO} rm -f /etc/systemd/system/pihole-FTL.service
+        rm -f /etc/systemd/system/pihole-FTL.service &> /dev/null
         if [[ -d '/etc/systemd/system/pihole-FTL.service.d' ]]; then
             read -rp "  ${QST} FTL service override directory /etc/systemd/system/pihole-FTL.service.d detected. Do you wish to remove this from your system? [y/N] " answer
             case $answer in
                 [yY]*)
                     echo -ne "  ${INFO} Removing /etc/systemd/system/pihole-FTL.service.d..."
-                    ${SUDO} rm -R /etc/systemd/system/pihole-FTL.service.d
+                    rm -R /etc/systemd/system/pihole-FTL.service.d &> /dev/null
                     echo -e "${OVER}  ${INFO} Removed /etc/systemd/system/pihole-FTL.service.d"
                 ;;
                 *) echo -e "  ${INFO} Leaving /etc/systemd/system/pihole-FTL.service.d in place.";;
             esac
         fi
-        ${SUDO} rm -f /etc/init.d/pihole-FTL
-        ${SUDO} rm -f /usr/bin/pihole-FTL
+        rm -f /etc/init.d/pihole-FTL &> /dev/null
+        rm -f /usr/bin/pihole-FTL &> /dev/null
         echo -e "${OVER}  ${TICK} Removed pihole-FTL"
+
+        # Force systemd reload after service files are removed
+        if is_command "systemctl"; then
+            echo -ne "  ${INFO} Restarting systemd..."
+            systemctl daemon-reload
+            echo -e "${OVER}  ${TICK} Restarted systemd..."
+        fi
+    fi
+}
+
+removeCronFiles() {
+    # Attempt to preserve backwards compatibility with older versions
+    # to guarantee no additional changes were made to /etc/crontab after
+    # the installation of pihole, /etc/crontab.pihole should be permanently
+    # preserved.
+    if [[ -f /etc/crontab.orig ]]; then
+        mv /etc/crontab /etc/crontab.pihole
+        mv /etc/crontab.orig /etc/crontab
+        restart_service cron
+        echo -e "  ${TICK} Restored the default system cron"
+        echo -e "  ${INFO} A backup of the most recent crontab is saved at /etc/crontab.pihole"
     fi
 
-    # If the pihole manpage exists, then delete and rebuild man-db
+    # Attempt to preserve backwards compatibility with older versions
+    if [[ -f /etc/cron.d/pihole ]];then
+        rm -f /etc/cron.d/pihole &> /dev/null
+        echo -e "  ${TICK} Removed /etc/cron.d/pihole"
+    fi
+}
+
+removePiholeFiles() {
+    # Remove databases (including user specified non-default paths)
+    rm -f "${PIHOLE_DB:-/etc/pihole/pihole-FTL.db}" &> /dev/null
+    rm -f "${GRAVITY_DB:-/etc/pihole/gravity.db}" &> /dev/null
+    rm -f "${MACVENDOR_DB:-/etc/pihole/macvendor.db}" &> /dev/null
+
+    # Remove pihole config, repo and local files
+    rm -rf "${PI_HOLE_CONFIG_DIR:-/etc/pihole}" &> /dev/null
+    rm -rf "${PI_HOLE_LOCAL_REPO:-/etc/.pihole}" &> /dev/null
+    rm -rf "${PI_HOLE_INSTALL_DIR:-/opt/pihole}" &> /dev/null
+
+    # Remove log files (including user specified non-default paths)
+    # and rotated logs
+    # Explicitly escape spaces, in case of trailing space in path before wildcard
+    rm -f "$(printf '%q' "${FTL_LOG:-/var/log/pihole/FTL.log}")*" &> /dev/null
+    rm -f "$(printf '%q' "${DNSMASQ_LOG:-/var/log/pihole/pihole.log}")*" &> /dev/null
+    rm -f "$(printf '%q' "${WEBSERVER_LOG:-/var/log/pihole/webserver.log}")*" &> /dev/null
+
+    # remove any remnant log-files from old versions
+    rm -rf /var/log/*pihole* &> /dev/null
+
+    # remove log directory
+    rm -rf /var/log/pihole &> /dev/null
+
+    # remove the pihole command
+    rm -f /usr/local/bin/pihole &> /dev/null
+
+    # remove Pi-hole's bash completion
+    rm -f /etc/bash_completion.d/pihole &> /dev/null
+    rm -f /etc/bash_completion.d/pihole-FTL &> /dev/null
+
+    # Remove pihole from sudoers for compatibility with old versions
+    rm -f /etc/sudoers.d/pihole &> /dev/null
+
+    echo -e "  ${TICK} Removed config files"
+}
+
+removeManPage() {
+    # If the pihole manpage exists, then delete
     if [[ -f /usr/local/share/man/man8/pihole.8 ]]; then
-        ${SUDO} rm -f /usr/local/share/man/man8/pihole.8 /usr/local/share/man/man8/pihole-FTL.8 /usr/local/share/man/man5/pihole-FTL.conf.5
-        ${SUDO} mandb -q &>/dev/null
+        rm -f /usr/local/share/man/man8/pihole.8 /usr/local/share/man/man8/pihole-FTL.8 /usr/local/share/man/man5/pihole-FTL.conf.5
+        # Rebuild man-db if present
+        if is_command "mandb"; then
+            mandb -q &>/dev/null
+        fi
         echo -e "  ${TICK} Removed pihole man page"
     fi
+}
 
+removeUser() {
     # If the pihole user exists, then remove
     if id "pihole" &> /dev/null; then
-        if ${SUDO} userdel -r pihole 2> /dev/null; then
+        if userdel -r pihole 2> /dev/null; then
             echo -e "  ${TICK} Removed 'pihole' user"
         else
             echo -e "  ${CROSS} Unable to remove 'pihole' user"
         fi
     fi
+
     # If the pihole group exists, then remove
     if getent group "pihole" &> /dev/null; then
-        if ${SUDO} groupdel pihole 2> /dev/null; then
+        if groupdel pihole 2> /dev/null; then
             echo -e "  ${TICK} Removed 'pihole' group"
         else
             echo -e "  ${CROSS} Unable to remove 'pihole' group"
         fi
     fi
+}
 
+restoreResolved() {
+    # Restore Resolved from saved configuration, if present
+    if [[ -e /etc/systemd/resolved.conf.orig ]] || [[ -e /etc/systemd/resolved.conf.d/90-pi-hole-disable-stub-listener.conf ]]; then
+        cp -p /etc/systemd/resolved.conf.orig /etc/systemd/resolved.conf &> /dev/null || true
+        rm -f /etc/systemd/resolved.conf.d/90-pi-hole-disable-stub-listener.conf &> /dev/null
+        systemctl reload-or-restart systemd-resolved
+    fi
+}
+
+completionMessage() {
     echo -e "\\n   We're sorry to see you go, but thanks for checking out Pi-hole!
        If you need help, reach out to us on GitHub, Discourse, Reddit or Twitter
        Reinstall at any time: ${COL_BOLD}curl -sSL https://install.pi-hole.net | bash${COL_NC}
@@ -158,5 +210,17 @@ removePiholeFiles() {
 }
 
 ######### SCRIPT ###########
+# The ordering here allows clean uninstallation with nothing
+# removed before anything that depends upon it.
+# eg removeFTL relies on scripts removed by removePiholeFiles
+# removeUser relies on commands removed by removeMetaPackage
+package_manager_detect
+removeWebInterface
+removeCronFiles
+restoreResolved
+removeManPage
+removeFTL
+removeUser
 removeMetaPackage
 removePiholeFiles
+completionMessage