mirror of
https://github.com/pi-hole/pi-hole.git
synced 2024-12-24 13:50:17 +00:00
first functions with pretty colors. check OS, setupVars, and contents of .d dirs
This commit is contained in:
Jacob Salmela
parent
2f2825f15e
commit
6fa00e7cc8
1 changed files with 128 additions and 494 deletions
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@ -9,7 +9,9 @@
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# Please see LICENSE file for your rights under this license.
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# causes a pipeline to produce a failure return code if any command errors.
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# Normally, pipelines only return a failure if the last command errors.
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# In combination with set -e, this will make your script exit if any command in a pipeline errors.
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set -o pipefail
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######## GLOBAL VARS ########
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@ -28,515 +30,147 @@ PIHOLEGITDIR="/etc/.pihole/"
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ADMINGITDIR="/var/www/html/admin/"
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WHITELISTMATCHES="/tmp/whitelistmatches.list"
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readonly FTLLOG="/var/log/pihole-FTL.log"
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coltable=/opt/pihole/COL_TABLE
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TIMEOUT=60
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# Header info and introduction
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cat << EOM
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::: Beginning Pi-hole debug at $(date)!
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:::
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::: This process collects information from your Pi-hole, and optionally uploads
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::: it to a unique and random directory on tricorder.pi-hole.net.
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:::
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::: NOTE: All log files auto-delete after 48 hours and ONLY the Pi-hole developers
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::: can access your data via the given token. We have taken these extra steps to
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::: secure your data and will work to further reduce any personal information gathered.
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:::
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::: Please read and note any issues, and follow any directions advised during this process.
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EOM
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if [[ -f ${coltable} ]]; then
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source ${coltable}
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else
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COL_NC='\e[0m' # No Color
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COL_YELLOW='\e[1;33m'
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COL_LIGHT_PURPLE='\e[1;35m'
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COL_CYAN='\e[0;36m'
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TICK="[${COL_LIGHT_GREEN}✓${COL_NC}]"
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CROSS="[${COL_LIGHT_RED}✗${COL_NC}]"
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INFO="[i]"
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DONE="${COL_LIGHT_GREEN} done!${COL_NC}"
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OVER="\r\033[K"
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fi
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source ${VARSFILE}
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### Private functions exist here ###
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log_write() {
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echo "${@}" >&3
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}
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log_echo() {
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case ${1} in
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-n)
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echo -n "::: ${2}"
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log_write "${2}"
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;;
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-r)
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echo "::: ${2}"
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log_write "${2}"
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;;
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-l)
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echo "${2}"
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log_write "${2}"
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;;
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*)
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echo "::: ${1}"
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log_write "${1}"
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esac
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}
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header_write() {
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log_echo ""
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log_echo "---= ${1}"
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log_write ""
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}
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file_parse() {
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while read -r line; do
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if [ ! -z "${line}" ]; then
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[[ "${line}" =~ ^#.*$ || ! "${line}" || "${line}" == "WEBPASSWORD="* ]] && continue
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log_write "${line}"
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fi
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done < "${1}"
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log_write ""
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}
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block_parse() {
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log_write "${1}"
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}
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lsof_parse() {
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local user
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local process
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user=$(echo ${1} | cut -f 3 -d ' ' | cut -c 2-)
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process=$(echo ${1} | cut -f 2 -d ' ' | cut -c 2-)
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[[ ${2} -eq ${process} ]] \
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&& echo "::: Correctly configured." \
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|| log_echo "::: Failure: Incorrectly configured daemon."
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log_write "Found user ${user} with process ${process}"
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}
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version_check() {
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header_write "Detecting Installed Package Versions:"
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local error_found
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local pi_hole_ver
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local pi_hole_branch
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local pi_hole_commit
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local admin_ver
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local admin_branch
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local admin_commit
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local light_ver
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local php_ver
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local status
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error_found=0
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cd "${PIHOLEGITDIR}" &> /dev/null || \
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{ status="Pi-hole git directory not found."; error_found=1; }
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if git status &> /dev/null; then
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pi_hole_ver=$(git describe --tags --abbrev=0)
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pi_hole_branch=$(git rev-parse --abbrev-ref HEAD)
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pi_hole_commit=$(git describe --long --dirty --tags --always)
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log_echo -r "Pi-hole: ${pi_hole_ver:-Untagged} (${pi_hole_branch:-Detached}:${pi_hole_commit})"
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echo_succes_or_fail() {
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local message="${1}"
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if [ $? -eq 0 ]; then
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echo -e " ${TICK} ${message}"
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else
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status=${status:-"Pi-hole repository damaged."}
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error_found=1
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fi
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if [[ "${status}" ]]; then
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log_echo "${status}"
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unset status
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echo -e " ${CROSS} ${message}"
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fi
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}
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cd "${ADMINGITDIR}" || \
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{ status="Pi-hole Dashboard git directory not found."; error_found=1; }
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if git status &> /dev/null; then
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admin_ver=$(git describe --tags --abbrev=0)
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admin_branch=$(git rev-parse --abbrev-ref HEAD)
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admin_commit=$(git describe --long --dirty --tags --always)
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log_echo -r "Pi-hole Dashboard: ${admin_ver:-Untagged} (${admin_branch:-Detached}:${admin_commit})"
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initiate_debug() {
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# Clear the screen so the debug log is readable
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clear
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echo -e "${COL_LIGHT_PURPLE}*** [ INITIALIZING ]${COL_NC}"
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echo -e " ${INFO} $(date "+%Y-%m-%d:%H:%M:%S") debug log has been initiated."
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}
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# This is a function for visually displaying the curent test that is being run.
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# Accepts one variable: the name of what is being diagnosed
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echo_current_diagnostic() {
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# Colors are used for visually distinguishing each test in the output
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echo -e "\n${COL_LIGHT_PURPLE}*** [ DIAGNOSING ]:${COL_NC} ${1}"
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}
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if_file_exists() {
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local file_to_test="${1}"
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# If the file is readable
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if [[ -r "${file_to_test}" ]]; then
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# Return success
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return 0
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else
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status=${status:-"Pi-hole Dashboard repository damaged."}
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error_found=1
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fi
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if [[ "${status}" ]]; then
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log_echo "${status}"
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unset status
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# Otherwise, return a failure
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return 1
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fi
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}
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if light_ver=$(lighttpd -v |& head -n1 | cut -d " " -f1); then
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log_echo -r "${light_ver}"
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else
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log_echo "lighttpd not installed."
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error_found=1
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fi
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if php_ver=$(php -v |& head -n1); then
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log_echo -r "${php_ver}"
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else
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log_echo "PHP not installed."
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error_found=1
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fi
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get_distro_attributes() {
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# Put the current Internal Field Separator into another variable so it can be restored later
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OLD_IFS="$IFS"
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# Store the distro info in an array and make it global since the OS won't change,
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# but we'll keep it within the function for better unit testing
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IFS=$'\r\n' command eval 'distro_info=( $(cat /etc/*release) )'
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return "${error_found}"
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local distro_attribute
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for distro_attribute in "${distro_info[@]}"; do
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# Display the information with the ${INFO} icon
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# No need to show the support URLs so they are grepped out
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echo " ${INFO} ${distro_attribute}" | grep -v "_URL" | tr -d '"'
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done
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# Set the IFS back to what it was
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IFS="$OLD_IFS"
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}
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diagnose_operating_system() {
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# Display the current test that is running
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echo_current_diagnostic "Operating system"
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# If there is a /etc/*release file, it's probably a supported operating system, so we can
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if_file_exists /etc/*release && \
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# display the attributes to the user
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get_distro_attributes || \
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# If it doesn't exist, it's not a system we currently support
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echo -e " ${CROSS} ${COL_LIGHT_RED}Distribution unknown -- most likely you are on an unsupported platform and may run into issues.${COL_NC}
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${INFO} ${COL_LIGHT_RED}Please see${COL_NC}: ${COL_CYAN}https://discourse.pi-hole.net/t/hardware-software-requirements/273${COL_NC}"
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}
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parse_file() {
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local filename="${1}"
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OLD_IFS="$IFS"
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IFS=$'\r\n' command eval 'file_info=( $(cat "${filename}") )'
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local file_lines
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for file_lines in "${file_info[@]}"; do
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# Display the information with the ${INFO} icon
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# No need to show the support URLs so they are grepped out
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echo " ${INFO} ${file_lines}"
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done
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# Set the IFS back to what it was
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IFS="$OLD_IFS"
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}
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diagnose_setup_variables() {
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# Display the current test that is running
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echo_current_diagnostic "Setup variables"
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# If the variable file exists,
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if_file_exists "${VARSFILE}" && \
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# source it
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echo -e " ${INFO} Sourcing ${VARSFILE}...";
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source ${VARSFILE};
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# and display a green check mark with ${DONE}
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echo_succes_or_fail "${VARSFILE} is readable and has been sourced." || \
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# Othwerwise, error out
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echo_succes_or_fail "${VARSFILE} is not readable.
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${INFO} $(ls -l ${VARSFILE} 2>/dev/null)";
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parse_file "${VARSFILE}"
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}
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dir_check() {
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header_write "Detecting contents of ${1}:"
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for file in $1*; do
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header_write "File ${file} found"
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echo -n "::: Parsing..."
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file_parse "${file}"
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echo "done"
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done
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echo ":::"
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}
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files_check() {
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#Check non-zero length existence of ${1}
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header_write "Detecting existence of ${1}:"
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local search_file="${1}"
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if [[ -s ${search_file} ]]; then
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echo -n "::: File exists, parsing..."
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file_parse "${search_file}"
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echo "done"
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return 0
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else
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log_echo "${1} not found!"
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return 1
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fi
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echo ":::"
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}
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source_file() {
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local file_found=$(files_check "${1}") \
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&& (source "${1}" &> /dev/null && echo "${file_found} and was successfully sourced") \
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|| log_echo -l "${file_found} and could not be sourced"
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}
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distro_check() {
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local soft_fail
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header_write "Detecting installed OS Distribution"
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soft_fail=0
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local distro="$(cat /etc/*release)" && block_parse "${distro}" || (log_echo "Distribution details not found." && soft_fail=1)
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return "${soft_fail}"
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}
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processor_check() {
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header_write "Checking processor variety"
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log_write $(uname -m) && return 0 || return 1
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}
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ipv6_check() {
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# Check if system is IPv6 enabled, for use in other functions
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if [[ $IPV6_ADDRESS ]]; then
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ls /proc/net/if_inet6 &>/dev/null
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return 0
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else
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return 1
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fi
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}
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|
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ip_check() {
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local protocol=${1}
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local gravity=${2}
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header_write "Checking IPv${protocol} Stack"
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local ip_addr_list="$(ip -${protocol} addr show dev ${PIHOLE_INTERFACE} | awk -F ' ' '{ for(i=1;i<=NF;i++) if ($i ~ '/^inet/') print $(i+1) }')"
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if [[ -n ${ip_addr_list} ]]; then
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log_write "IPv${protocol} on ${PIHOLE_INTERFACE}"
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log_write "Gravity configured for: ${2:-NOT CONFIGURED}"
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log_write "----"
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log_write "${ip_addr_list}"
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echo "::: IPv${protocol} addresses located on ${PIHOLE_INTERFACE}"
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ip_ping_check ${protocol}
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return $(( 0 + $? ))
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else
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log_echo "No IPv${protocol} found on ${PIHOLE_INTERFACE}"
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return 1
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fi
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}
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|
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ip_ping_check() {
|
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local protocol=${1}
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local cmd
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|
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if [[ ${protocol} == "6" ]]; then
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cmd="ping6"
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g_addr="2001:4860:4860::8888"
|
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else
|
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cmd="ping"
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g_addr="8.8.8.8"
|
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fi
|
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|
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local ip_def_gateway=$(ip -${protocol} route | grep default | cut -d ' ' -f 3)
|
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if [[ -n ${ip_def_gateway} ]]; then
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echo -n "::: Pinging default IPv${protocol} gateway: "
|
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if ! ping_gateway="$(${cmd} -q -W 3 -c 3 -n ${ip_def_gateway} -I ${PIHOLE_INTERFACE} | tail -n 3)"; then
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log_echo "Gateway did not respond."
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return 1
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else
|
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log_echo "Gateway responded."
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log_write "${ping_gateway}"
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fi
|
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echo -n "::: Pinging Internet via IPv${protocol}: "
|
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if ! ping_inet="$(${cmd} -q -W 3 -c 3 -n ${g_addr} -I ${PIHOLE_INTERFACE} | tail -n 3)"; then
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log_echo "Query did not respond."
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return 1
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||||
else
|
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log_echo "Query responded."
|
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log_write "${ping_inet}"
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fi
|
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else
|
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log_echo " No gateway detected."
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||||
fi
|
||||
return 0
|
||||
}
|
||||
|
||||
port_check() {
|
||||
local lsof_value
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||||
|
||||
lsof_value=$(lsof -i ${1}:${2} -FcL | tr '\n' ' ') \
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&& lsof_parse "${lsof_value}" "${3}" \
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|| log_echo "Failure: IPv${1} Port not in use"
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}
|
||||
|
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daemon_check() {
|
||||
# Check for daemon ${1} on port ${2}
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||||
header_write "Daemon Process Information"
|
||||
|
||||
echo "::: Checking ${2} port for ${1} listener."
|
||||
|
||||
if [[ ${IPV6_READY} ]]; then
|
||||
port_check 6 "${2}" "${1}"
|
||||
fi
|
||||
lsof_value=$(lsof -i 4:${2} -FcL | tr '\n' ' ') \
|
||||
port_check 4 "${2}" "${1}"
|
||||
}
|
||||
|
||||
testResolver() {
|
||||
local protocol="${1}"
|
||||
header_write "Resolver Functions Check (IPv${protocol})"
|
||||
local IP="${2}"
|
||||
local g_addr
|
||||
local l_addr
|
||||
local url
|
||||
local testurl
|
||||
local localdig
|
||||
local piholedig
|
||||
local remotedig
|
||||
|
||||
if [[ ${protocol} == "6" ]]; then
|
||||
g_addr="2001:4860:4860::8888"
|
||||
l_addr="::1"
|
||||
r_type="AAAA"
|
||||
else
|
||||
g_addr="8.8.8.8"
|
||||
l_addr="127.0.0.1"
|
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r_type="A"
|
||||
fi
|
||||
|
||||
# Find a blocked url that has not been whitelisted.
|
||||
url=$(shuf -n 1 "${GRAVITYFILE}" | awk -F ' ' '{ print $2 }')
|
||||
|
||||
testurl="${url:-doubleclick.com}"
|
||||
|
||||
|
||||
log_write "Resolution of ${testurl} from Pi-hole (${l_addr}):"
|
||||
if localdig=$(dig -"${protocol}" "${testurl}" @${l_addr} +short "${r_type}"); then
|
||||
log_write "${localdig}"
|
||||
else
|
||||
log_write "Failed to resolve ${testurl} on Pi-hole (${l_addr})"
|
||||
fi
|
||||
log_write ""
|
||||
|
||||
log_write "Resolution of ${testurl} from Pi-hole (${IP}):"
|
||||
if piholedig=$(dig -"${protocol}" "${testurl}" @"${IP}" +short "${r_type}"); then
|
||||
log_write "${piholedig}"
|
||||
else
|
||||
log_write "Failed to resolve ${testurl} on Pi-hole (${IP})"
|
||||
fi
|
||||
log_write ""
|
||||
|
||||
|
||||
log_write "Resolution of ${testurl} from ${g_addr}:"
|
||||
if remotedig=$(dig -"${protocol}" "${testurl}" @${g_addr} +short "${r_type}"); then
|
||||
log_write "${remotedig:-NXDOMAIN}"
|
||||
else
|
||||
log_write "Failed to resolve ${testurl} on upstream server ${g_addr}"
|
||||
fi
|
||||
log_write ""
|
||||
}
|
||||
|
||||
testChaos(){
|
||||
# Check Pi-hole specific records
|
||||
|
||||
log_write "Pi-hole dnsmasq specific records lookups"
|
||||
log_write "Cache Size:"
|
||||
log_write $(dig +short chaos txt cachesize.bind)
|
||||
log_write "Upstream Servers:"
|
||||
log_write $(dig +short chaos txt servers.bind)
|
||||
log_write ""
|
||||
|
||||
}
|
||||
checkProcesses() {
|
||||
header_write "Processes Check"
|
||||
|
||||
echo "::: Logging status of lighttpd, dnsmasq and pihole-FTL..."
|
||||
PROCESSES=( lighttpd dnsmasq pihole-FTL )
|
||||
for i in "${PROCESSES[@]}"; do
|
||||
log_write "Status for ${i} daemon:"
|
||||
log_write $(systemctl is-active "${i}")
|
||||
done
|
||||
log_write ""
|
||||
}
|
||||
|
||||
debugLighttpd() {
|
||||
echo "::: Checking for necessary lighttpd files."
|
||||
files_check "${LIGHTTPDFILE}"
|
||||
files_check "${LIGHTTPDERRFILE}"
|
||||
echo ":::"
|
||||
}
|
||||
|
||||
countdown() {
|
||||
local tuvix
|
||||
tuvix=${TIMEOUT}
|
||||
printf "::: Logging will automatically teminate in %s seconds\n" "${TIMEOUT}"
|
||||
while [ $tuvix -ge 1 ]
|
||||
do
|
||||
printf ":::\t%s seconds left. " "${tuvix}"
|
||||
if [[ -z "${WEBCALL}" ]]; then
|
||||
printf "\r"
|
||||
else
|
||||
printf "\n"
|
||||
fi
|
||||
sleep 5
|
||||
tuvix=$(( tuvix - 5 ))
|
||||
local directory="${1}"
|
||||
echo_current_diagnostic "contents of ${directory}"
|
||||
for filename in "${directory}"*; do
|
||||
if_file_exists "${filename}" && \
|
||||
echo_succes_or_fail "Files detected" || \
|
||||
echo_succes_or_fail "directory does not exist"
|
||||
done
|
||||
}
|
||||
|
||||
# Continuously append the pihole.log file to the pihole_debug.log file
|
||||
dumpPiHoleLog() {
|
||||
trap '{ echo -e "\n::: Finishing debug write from interrupt... Quitting!" ; exit 1; }' INT
|
||||
echo "::: "
|
||||
echo "::: --= User Action Required =--"
|
||||
echo -e "::: Try loading a site that you are having trouble with now from a client web browser.. \n:::\t(Press CTRL+C to finish logging.)"
|
||||
header_write "pihole.log"
|
||||
if [ -e "${PIHOLELOG}" ]; then
|
||||
# Dummy process to use for flagging down tail to terminate
|
||||
countdown &
|
||||
tail -n0 -f --pid=$! "${PIHOLELOG}" >&4
|
||||
else
|
||||
log_write "No pihole.log file found!"
|
||||
printf ":::\tNo pihole.log file found!\n"
|
||||
fi
|
||||
list_files_in_dir() {
|
||||
local dir_to_parse="${1}"
|
||||
local filename
|
||||
files_found=( $(ls "${dir_to_parse}") )
|
||||
for each_file in "${files_found[@]}"; do
|
||||
# Display the information with the ${INFO} icon
|
||||
echo " ${INFO} ${each_file}"
|
||||
done
|
||||
|
||||
}
|
||||
|
||||
# Anything to be done after capturing of pihole.log terminates
|
||||
finalWork() {
|
||||
local tricorder
|
||||
echo "::: Finshed debugging!"
|
||||
|
||||
# Ensure the file exists, create if not, clear if exists.
|
||||
truncate --size=0 "${DEBUG_LOG}"
|
||||
chmod 644 ${DEBUG_LOG}
|
||||
chown "$USER":pihole ${DEBUG_LOG}
|
||||
# copy working temp file to final log location
|
||||
cat /proc/$$/fd/3 >> "${DEBUG_LOG}"
|
||||
# Straight dump of tailing the logs, can sanitize later if needed.
|
||||
cat /proc/$$/fd/4 >> "${DEBUG_LOG}"
|
||||
|
||||
echo "::: The debug log can be uploaded to tricorder.pi-hole.net for sharing with developers only."
|
||||
if [[ "${AUTOMATED}" ]]; then
|
||||
echo "::: Debug script running in automated mode, uploading log to tricorder..."
|
||||
tricorder=$(cat /var/log/pihole_debug.log | nc tricorder.pi-hole.net 9999)
|
||||
else
|
||||
read -r -p "::: Would you like to upload the log? [y/N] " response
|
||||
case ${response} in
|
||||
[yY][eE][sS]|[yY])
|
||||
tricorder=$(cat /var/log/pihole_debug.log | nc tricorder.pi-hole.net 9999)
|
||||
;;
|
||||
*)
|
||||
echo "::: Log will NOT be uploaded to tricorder."
|
||||
;;
|
||||
esac
|
||||
fi
|
||||
# Check if tricorder.pi-hole.net is reachable and provide token.
|
||||
if [ -n "${tricorder}" ]; then
|
||||
echo "::: ---=== Your debug token is : ${tricorder} Please make a note of it. ===---"
|
||||
echo "::: Contact the Pi-hole team with your token for assistance."
|
||||
echo "::: Thank you."
|
||||
else
|
||||
echo "::: There was an error uploading your debug log."
|
||||
echo "::: Please try again or contact the Pi-hole team for assistance."
|
||||
fi
|
||||
echo "::: A local copy of the Debug log can be found at : /var/log/pihole_debug.log"
|
||||
check_dnsmasq_d() {
|
||||
local directory=/etc/dnsmasq.d
|
||||
dir_check "${directory}"
|
||||
list_files_in_dir "${directory}"
|
||||
}
|
||||
|
||||
### END FUNCTIONS ###
|
||||
# Create temporary file for log
|
||||
TEMPLOG=$(mktemp /tmp/pihole_temp.XXXXXX)
|
||||
# Open handle 3 for templog
|
||||
exec 3>"$TEMPLOG"
|
||||
# Delete templog, but allow for addressing via file handle.
|
||||
rm "$TEMPLOG"
|
||||
|
||||
# Create temporary file for logdump using file handle 4
|
||||
DUMPLOG=$(mktemp /tmp/pihole_temp.XXXXXX)
|
||||
exec 4>"$DUMPLOG"
|
||||
rm "$DUMPLOG"
|
||||
|
||||
# Gather version of required packages / repositories
|
||||
version_check || echo "REQUIRED FILES MISSING"
|
||||
# Check for newer setupVars storage file
|
||||
source_file "/etc/pihole/setupVars.conf"
|
||||
# Gather information about the running distribution
|
||||
distro_check || echo "Distro Check soft fail"
|
||||
# Gather processor type
|
||||
processor_check || echo "Processor Check soft fail"
|
||||
|
||||
ip_check 6 ${IPV6_ADDRESS}
|
||||
ip_check 4 ${IPV4_ADDRESS}
|
||||
|
||||
daemon_check lighttpd http
|
||||
daemon_check dnsmasq domain
|
||||
daemon_check pihole-FTL 4711
|
||||
checkProcesses
|
||||
|
||||
# Check local/IP/Google for IPv4 Resolution
|
||||
testResolver 4 "${IPV4_ADDRESS%/*}"
|
||||
# If IPv6 enabled, check resolution
|
||||
if [[ "${IPV6_ADDRESS}" ]]; then
|
||||
testResolver 6 "${IPV6_ADDRESS%/*}"
|
||||
fi
|
||||
# Poll dnsmasq Pi-hole specific queries
|
||||
testChaos
|
||||
|
||||
debugLighttpd
|
||||
|
||||
files_check "${DNSMASQFILE}"
|
||||
dir_check "${DNSMASQCONFDIR}"
|
||||
files_check "${WHITELISTFILE}"
|
||||
files_check "${BLACKLISTFILE}"
|
||||
files_check "${ADLISTFILE}"
|
||||
|
||||
|
||||
header_write "Analyzing gravity.list"
|
||||
|
||||
gravity_length=$(grep -c ^ "${GRAVITYFILE}") \
|
||||
&& log_write "${GRAVITYFILE} is ${gravity_length} lines long." \
|
||||
|| log_echo "Warning: No gravity.list file found!"
|
||||
|
||||
header_write "Analyzing pihole.log"
|
||||
|
||||
pihole_length=$(grep -c ^ "${PIHOLELOG}") \
|
||||
&& log_write "${PIHOLELOG} is ${pihole_length} lines long." \
|
||||
|| log_echo "Warning: No pihole.log file found!"
|
||||
|
||||
pihole_size=$(du -h "${PIHOLELOG}" | awk '{ print $1 }') \
|
||||
&& log_write "${PIHOLELOG} is ${pihole_size}." \
|
||||
|| log_echo "Warning: No pihole.log file found!"
|
||||
|
||||
header_write "Analyzing pihole-FTL.log"
|
||||
|
||||
FTL_length=$(grep -c ^ "${FTLLOG}") \
|
||||
&& log_write "${FTLLOG} is ${FTL_length} lines long." \
|
||||
|| log_echo "Warning: No pihole-FTL.log file found!"
|
||||
|
||||
FTL_size=$(du -h "${FTLLOG}" | awk '{ print $1 }') \
|
||||
&& log_write "${FTLLOG} is ${FTL_size}." \
|
||||
|| log_echo "Warning: No pihole-FTL.log file found!"
|
||||
|
||||
tail -n50 "${FTLLOG}" >&3
|
||||
|
||||
trap finalWork EXIT
|
||||
|
||||
### Method calls for additional logging ###
|
||||
dumpPiHoleLog
|
||||
initiate_debug
|
||||
diagnose_operating_system
|
||||
diagnose_setup_variables
|
||||
check_dnsmasq_d
|
||||
|
|
|
|||
Loading…
Reference in a new issue