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PADD/padd.sh
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yubiuser 285f387fe9 Rename functions to clarify their use 
Signed-off-by: yubiuser <github@yubiuser.dev>
2024-08-09 14:41:33 +02:00

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#!/usr/bin/env sh
# shellcheck disable=SC1091
# Ignore warning about `local` being undefinded in POSIX
# shellcheck disable=SC3043
# https://github.com/koalaman/shellcheck/wiki/SC3043#exceptions
# PADD
# A more advanced version of the chronometer provided with Pihole
# SETS LOCALE
export LC_ALL=C
export LC_NUMERIC=C
############################################ VARIABLES #############################################
# VERSION
padd_version="v4.0.0"
# LastChecks
LastCheckPADDInformation=$(date +%s)
LastCheckFullInformation=$(date +%s)
# COLORS
CSI="$(printf '\033')[" # Control Sequence Introducer
red_text="${CSI}91m" # Red
green_text="${CSI}92m" # Green
yellow_text="${CSI}93m" # Yellow
blue_text="${CSI}94m" # Blue
magenta_text="${CSI}95m" # Magenta
cyan_text="${CSI}96m" # Cyan
reset_text="${CSI}0m" # Reset to default
clear_line="${CSI}0K" # Clear the current line to the right to wipe any artifacts remaining from last print
# STYLES
bold_text="${CSI}1m"
blinking_text="${CSI}5m"
dim_text="${CSI}2m"
# CHECK BOXES
check_box_good="[${green_text}✓${reset_text}]" # Good
check_box_bad="[${red_text}✗${reset_text}]" # Bad
check_box_question="[${yellow_text}?${reset_text}]" # Question / ?
check_box_info="[${yellow_text}i${reset_text}]" # Info / i
# PICO STATUSES
pico_status_ok="${check_box_good} Sys. OK"
pico_status_update="${check_box_info} Update"
pico_status_hot="${check_box_bad} Sys. Hot!"
pico_status_off="${check_box_info} No blck"
pico_status_ftl_down="${check_box_bad} No CXN"
pico_status_dns_down="${check_box_bad} DNS Down"
# MINI STATUS
mini_status_ok="${check_box_good} System OK"
mini_status_update="${check_box_info} Update avail."
mini_status_hot="${check_box_bad} System is hot!"
mini_status_off="${check_box_info} No blocking!"
mini_status_ftl_down="${check_box_bad} No connection!"
mini_status_dns_down="${check_box_bad} DNS off!"
# REGULAR STATUS
full_status_ok="${check_box_good} System is healthy"
full_status_update="${check_box_info} Updates are available"
full_status_hot="${check_box_bad} System is hot!"
full_status_off="${check_box_info} Blocking is disabled"
full_status_ftl_down="${check_box_bad} No connection!"
full_status_dns_down="${check_box_bad} DNS is off!"
# MEGA STATUS
mega_status_ok="${check_box_good} Your system is healthy"
mega_status_update="${check_box_info} Updates are available"
mega_status_hot="${check_box_bad} Your system is hot!"
mega_status_off="${check_box_info} Blocking is disabled!"
mega_status_ftl_down="${check_box_bad} No connection to FTL!"
mega_status_dns_down="${check_box_bad} Pi-hole's DNS server is off!"
# TINY STATUS
tiny_status_ok="${check_box_good} System is healthy"
tiny_status_update="${check_box_info} Updates are available"
tiny_status_hot="${check_box_bad} System is hot!"
tiny_status_off="${check_box_info} Blocking is disabled"
tiny_status_ftl_down="${check_box_bad} No connection to FTL!"
tiny_status_dns_down="${check_box_bad} DNS is off!"
# Text only "logos"
padd_text="${green_text}${bold_text}PADD${reset_text}"
# PADD logos - regular and retro
padd_logo_1="${bold_text}${green_text} __ __ __ ${reset_text}"
padd_logo_2="${bold_text}${green_text}|__) /\\ | \\| \\ ${reset_text}"
padd_logo_3="${bold_text}${green_text}| /--\\|__/|__/ ${reset_text}"
padd_logo_retro_1="${bold_text} ${yellow_text}_${green_text}_ ${blue_text}_${magenta_text}_ ${yellow_text}_${green_text}_ ${reset_text}"
padd_logo_retro_2="${bold_text}${yellow_text}|${green_text}_${blue_text}_${cyan_text}) ${red_text}/${yellow_text}\\ ${blue_text}| ${red_text}\\${yellow_text}| ${cyan_text}\\ ${reset_text}"
padd_logo_retro_3="${bold_text}${green_text}| ${red_text}/${yellow_text}-${green_text}-${blue_text}\\${cyan_text}|${magenta_text}_${red_text}_${yellow_text}/${green_text}|${blue_text}_${cyan_text}_${magenta_text}/ ${reset_text}"
############################################# FTL ##################################################
TestAPIAvailability() {
local chaos_api_list availabilityResponse cmdResult digReturnCode
# Query the API URLs from FTL using CHAOS TXT
# The result is a space-separated enumeration of full URLs
# e.g., "http://localhost:80/api" or "https://domain.com:443/api"
if [ -z "${SERVER}" ] || [ "${SERVER}" = "localhost" ] || [ "${SERVER}" = "127.0.0.1" ]; then
# --server was not set or set to local, assuming we're running locally
cmdResult="$(dig +short chaos txt local.api.ftl @localhost 2>&1; echo $?)"
else
# --server was set, try to get response from there
cmdResult="$(dig +short chaos txt domain.api.ftl @"${SERVER}" 2>&1; echo $?)"
fi
# Gets the return code of the dig command (last line)
# We can't use${cmdResult##*$'\n'*} here as $'..' is not POSIX
digReturnCode="$(echo "${cmdResult}" | tail -n 1)"
if [ ! "${digReturnCode}" = "0" ]; then
# If the query was not successful
moveXOffset; echo "API not available. Please check server address and connectivity"
exit 1
else
# Dig returned 0 (success), so get the actual response (first line)
chaos_api_list="$(echo "${cmdResult}" | head -n 1)"
fi
# Iterate over space-separated list of URLs
while [ -n "${chaos_api_list}" ]; do
# Get the first URL
API_URL="${chaos_api_list%% *}"
# Strip leading and trailing quotes
API_URL="${API_URL%\"}"
API_URL="${API_URL#\"}"
# Test if the API is available at this URL
availabilityResponse=$(curl -skS -o /dev/null -w "%{http_code}" "${API_URL}auth")
# Test if http status code was 200 (OK) or 401 (authentication required)
if [ ! "${availabilityResponse}" = 200 ] && [ ! "${availabilityResponse}" = 401 ]; then
# API is not available at this port/protocol combination
API_PORT=""
else
# API is available at this URL combination
if [ "${availabilityResponse}" = 200 ]; then
# API is available without authentication
needAuth=false
fi
break
fi
# Remove the first URL from the list
local last_api_list
last_api_list="${chaos_api_list}"
chaos_api_list="${chaos_api_list#* }"
# If the list did not change, we are at the last element
if [ "${last_api_list}" = "${chaos_api_list}" ]; then
# Remove the last element
chaos_api_list=""
fi
done
# if API_PORT is empty, no working API port was found
if [ -n "${API_PORT}" ]; then
moveXOffset; echo "API not available at: ${API_URL}"
moveXOffset; echo "Exiting."
exit 1
fi
}
LoginAPI() {
# Exit early if no authentication is required
if [ "${needAuth}" = false ]; then
moveXOffset; echo "No password required."
return
fi
# Try to read the CLI password (if enabled and readable by the current user)
if [ -r /etc/pihole/cli_pw ]; then
password=$(cat /etc/pihole/cli_pw)
# Try to authenticate using the CLI password
Authenticate
fi
# If this did not work, ask the user for the password
while [ "${validSession}" = false ] || [ -z "${validSession}" ] ; do
moveXOffset; echo "Authentication failed."
# no password was supplied as argument
if [ -z "${password}" ]; then
moveXOffset; echo "No password supplied. Please enter your password:"
else
moveXOffset; echo "Wrong password supplied, please enter the correct password:"
fi
# secretly read the password
moveXOffset; secretRead; printf '\n'
# Try to authenticate again
Authenticate
done
# Loop exited, authentication was successful
moveXOffset; echo "Authentication successful."
}
DeleteSession() {
# if a valid Session exists (no password required or successful authenthication) and
# SID is not null (successful authenthication only), delete the session
if [ "${validSession}" = true ] && [ ! "${SID}" = null ]; then
# Try to delete the session. Omit the output, but get the http status code
deleteResponse=$(curl -skS -o /dev/null -w "%{http_code}" -X DELETE "${API_URL}auth" -H "Accept: application/json" -H "sid: ${SID}")
printf "\n\n"
case "${deleteResponse}" in
"204") moveXOffset; printf "%b" "Session successfully deleted.\n";;
"401") moveXOffset; printf "%b" "Logout attempt without a valid session. Unauthorized!\n";;
esac;
else
# no session to delete, just print a newline for nicer output
echo
fi
}
Authenticate() {
sessionResponse="$(curl -skS -X POST "${API_URL}auth" --user-agent "PADD ${padd_version}" --data "{\"password\":\"${password}\"}" )"
if [ -z "${sessionResponse}" ]; then
moveXOffset; echo "No response from FTL server. Please check connectivity and use the options to set the API URL"
moveXOffset; echo "Usage: $0 [--server <domain|IP>]"
exit 1
fi
# obtain validity and session ID from session response
validSession=$(echo "${sessionResponse}"| jq .session.valid 2>/dev/null)
SID=$(echo "${sessionResponse}"| jq --raw-output .session.sid 2>/dev/null)
}
GetFTLData() {
local response
# get the data from querying the API as well as the http status code
response=$(curl -skS -w "%{http_code}" -X GET "${API_URL}$1$2" -H "Accept: application/json" -H "sid: ${SID}" )
# status are the last 3 characters
status=$(printf %s "${response#"${response%???}"}")
# data is everything from response without the last 3 characters
data=$(printf %s "${response%???}")
if [ "${status}" = 200 ]; then
echo "${data}"
elif [ "${status}" = 000 ]; then
# connection lost
echo "000"
elif [ "${status}" = 401 ]; then
# unauthorized
echo "401"
fi
}
############################################# GETTERS ##############################################
GetPADDData() {
local response
response=$(GetFTLData "padd" "$1")
# Iterate over all the leaf paths in the JSON object and creates key-value
# pairs in the format "key=value". Nested objects are flattened using the dot
# notation, e.g., { "a": { "b": 1 } } becomes "a.b=1".
# We cannot use leaf_paths here as it was deprecated in jq 1.6 and removed in
# current master
# Using "paths(scalars | true)" will return null and false values.
# We also check if the value is exactly `null` and, in this case, return the
# string "null", as jq would return an empty string for nulls.
padd_data=$(echo "$response" | jq -r 'paths(scalars | true) as $p | [$p | join(".")] + [if getpath($p)!=null then getpath($p) else "null" end] | join("=")' 2>/dev/null)
}
GetPADDValue() {
echo "$padd_data" | sed -n "s/^$1=//p" 2>/dev/null
}
GetSummaryInformation() {
clients=$(GetPADDValue active_clients)
blocking_enabled=$(GetPADDValue blocking)
domains_being_blocked_raw=$(GetPADDValue gravity_size)
domains_being_blocked=$(printf "%.f" "${domains_being_blocked_raw}")
dns_queries_today_raw=$(GetPADDValue queries.total)
dns_queries_today=$(printf "%.f" "${dns_queries_today_raw}")
ads_blocked_today_raw=$(GetPADDValue queries.blocked)
ads_blocked_today=$(printf "%.f" "${ads_blocked_today_raw}")
ads_percentage_today_raw=$(GetPADDValue queries.percent_blocked)
ads_percentage_today=$(printf "%.1f" "${ads_percentage_today_raw}")
cache_size=$(GetPADDValue cache.size)
cache_evictions=$(GetPADDValue cache.evicted)
cache_inserts=$(echo "${padd_data}"| GetPADDValue cache.inserted)
latest_blocked_raw=$(GetPADDValue recent_blocked)
top_blocked_raw=$(GetPADDValue top_blocked)
top_domain_raw=$(GetPADDValue top_domain)
top_client_raw=$(GetPADDValue top_client)
}
GetSystemInformation() {
# System uptime
if [ "${padd_data}" = 000 ]; then
# in case FTL connection is down, system_uptime_raw need to be set to 0 otherwise convertUptime() will complain
system_uptime_raw=0
else
system_uptime_raw=$(GetPADDValue system.uptime)
fi
# CPU temperature and unit
# in case .sensors.cpu_temp returns 'null' we substitute with 0
cpu_temp_raw=$(GetPADDValue sensors.cpu_temp)
cpu_temp=$(printf "%.1f" "${cpu_temp_raw}")
temp_unit=$(echo "${padd_data}" | GetPADDValue sensors.unit)
# Temp + Unit
if [ "${temp_unit}" = "C" ]; then
temperature="${cpu_temp}°${temp_unit}"
# no conversion needed
cpu_temp_celsius="$(echo "${cpu_temp}" | awk -F '.' '{print $1}')"
elif [ "${temp_unit}" = "F" ]; then
temperature="${cpu_temp}°${temp_unit}"
# convert to Celsius for limit checking
cpu_temp_celsius="$(echo "${cpu_temp}" | awk '{print ($1-32) * 5 / 9}' | awk -F '.' '{print $1}')"
elif [ "${temp_unit}" = "K" ]; then
# no ° for Kelvin
temperature="${cpu_temp}${temp_unit}"
# convert to Celsius for limit checking
cpu_temp_celsius="$(echo "${cpu_temp}" | awk '{print $1 - 273.15}' | awk -F '.' '{print $1}')"
else # unknown unit
temperature="${cpu_temp}°?"
# no conversion needed
cpu_temp_celsius=0
fi
# CPU temperature heatmap
hot_flag=false
# If we're getting close to 85°C... (https://www.raspberrypi.org/blog/introducing-turbo-mode-up-to-50-more-performance-for-free/)
if [ "${cpu_temp_celsius}" -gt 80 ]; then
temp_heatmap=${blinking_text}${red_text}
# set flag to change the status message in SetStatusMessage()
hot_flag=true
elif [ "${cpu_temp_celsius}" -gt 70 ]; then
temp_heatmap=${magenta_text}
elif [ "${cpu_temp_celsius}" -gt 60 ]; then
temp_heatmap=${blue_text}
else
temp_heatmap=${cyan_text}
fi
# CPU, load, heatmap
core_count=$(GetPADDValue system.cpu.nprocs)
cpu_load_1=$(printf %.2f "$(GetPADDValue system.cpu.load.0)")
cpu_load_5=$(printf %.2f "$(GetPADDValue system.cpu.load.1)")
cpu_load_15=$(printf %.2f "$(GetPADDValue system.cpu.load.2)")
cpu_load_1_heatmap=$(HeatmapGenerator "${cpu_load_1}" "${core_count}")
cpu_load_5_heatmap=$(HeatmapGenerator "${cpu_load_5}" "${core_count}")
cpu_load_15_heatmap=$(HeatmapGenerator "${cpu_load_15}" "${core_count}")
cpu_percent=$(printf %.1f "$(GetPADDValue system.cpu.load.percent.0)")
# Memory use, heatmap and bar
memory_percent_raw="$(GetPADDValue system.memory.ram.%used)"
memory_percent=$(printf %.1f "${memory_percent_raw}")
memory_heatmap="$(HeatmapGenerator "${memory_percent}")"
# Get device model
sys_model="$(GetPADDValue host_model)"
# DOCKER_VERSION is set during GetVersionInformation, so this needs to run first during startup
if [ ! "${DOCKER_VERSION}" = "null" ]; then
# Docker image
sys_model="Container"
fi
# Cleaning device model from useless OEM information
sys_model=$(filterModel "${sys_model}")
# FTL returns null if device information is not available
if [ -z "$sys_model" ] || [ "$sys_model" = "null" ]; then
sys_model="N/A"
fi
}
GetNetworkInformation() {
gateway_v4_iface=$(GetPADDValue iface.v4.name)
gateway_v6_iface=$(GetPADDValue iface.v4.name)
# Get IPv4 address of the default interface
pi_ip4_addrs="$(GetPADDValue iface.v4.num_addrs)"
pi_ip4_addr="$(GetPADDValue iface.v4.addr)"
if [ "${pi_ip4_addrs}" -eq 0 ]; then
# No IPv4 address available
pi_ip4_addr="N/A"
#elif [ "${pi_ip4_addrs}" -eq 1 ]; then
# # One IPv4 address available
else
# More than one IPv4 address available
pi_ip4_addr="${pi_ip4_addr}+"
fi
# Get IPv6 address of the default interface
pi_ip6_addrs="$(GetPADDValue iface.v6.num_addrs)"
pi_ip6_addr="$(GetPADDValue iface.v6.addr)"
if [ "${pi_ip6_addrs}" -eq 0 ]; then
# No IPv6 address available
pi_ip6_addr="N/A"
ipv6_check_box=${check_box_bad}
elif [ "${pi_ip6_addrs}" -eq 1 ]; then
# One IPv6 address available
ipv6_check_box=${check_box_good}
else
# More than one IPv6 address available
pi_ip6_addr="${pi_ip6_addr}+"
ipv6_check_box=${check_box_good}
fi
# Is Pi-Hole acting as the DHCP server?
DHCP_ACTIVE="$(GetPADDValue config.dhcp_active )"
if [ "${DHCP_ACTIVE}" = "true" ]; then
DHCP_START="$(GetPADDValue config.dhcp_start)"
DHCP_END="$(GetPADDValue config.dhcp_end)"
dhcp_status="Enabled"
dhcp_info=" Range: ${DHCP_START} - ${DHCP_END}"
dhcp_heatmap=${green_text}
dhcp_check_box=${check_box_good}
# Is DHCP handling IPv6?
DHCP_IPv6="$(GetPADDValue config.dhcp_ipv6)"
if [ "${DHCP_IPv6}" = "true" ]; then
dhcp_ipv6_status="Enabled"
dhcp_ipv6_heatmap=${green_text}
dhcp_ipv6_check_box=${check_box_good}
else
dhcp_ipv6_status="Disabled"
dhcp_ipv6_heatmap=${red_text}
dhcp_ipv6_check_box=${check_box_bad}
fi
else
dhcp_status="Disabled"
dhcp_heatmap=${red_text}
dhcp_check_box=${check_box_bad}
# Display the gateway address if DHCP is disabled
GATEWAY="$(GetPADDValue iface.v4.gw_addr | head -n 1)"
dhcp_info=" Router: ${GATEWAY}"
dhcp_ipv6_status="N/A"
dhcp_ipv6_heatmap=${yellow_text}
dhcp_ipv6_check_box=${check_box_question}
fi
# Get hostname
pi_hostname="$(GetPADDValue node_name)"
full_hostname=${pi_hostname}
# when PI-hole is the DHCP server, append the domain to the hostname
if [ "${DHCP_ACTIVE}" = "true" ]; then
PIHOLE_DOMAIN="$(GetPADDValue config.dns_domain)"
if [ -n "${PIHOLE_DOMAIN}" ]; then
count=${pi_hostname}"."${PIHOLE_DOMAIN}
count=${#count}
if [ "${count}" -lt "18" ]; then
full_hostname=${pi_hostname}"."${PIHOLE_DOMAIN}
fi
fi
fi
# Get the number of configured upstream DNS servers
dns_count="$(GetPADDValue config.dns_num_upstreams)"
# if there's only one DNS server
if [ "${dns_count}" -eq 1 ]; then
dns_information="1 server"
else
dns_information="${dns_count} servers"
fi
# DNSSEC
DNSSEC="$(GetPADDValue config.dns_dnssec)"
if [ "${DNSSEC}" = "true" ]; then
dnssec_status="Enabled"
dnssec_heatmap=${green_text}
else
dnssec_status="Disabled"
dnssec_heatmap=${red_text}
fi
# Conditional forwarding
CONDITIONAL_FORWARDING="$(GetPADDValue config.dns_revServer_active)"
if [ "${CONDITIONAL_FORWARDING}" = "true" ]; then
conditional_forwarding_status="Enabled"
conditional_forwarding_heatmap=${green_text}
else
conditional_forwarding_status="Disabled"
conditional_forwarding_heatmap=${red_text}
fi
# Default interface data (use IPv4 interface - we cannot show both and assume they are the same)
iface_name="${gateway_v4_iface}"
tx_bytes="$(GetPADDValue iface.v4.tx_bytes.value)"
tx_bytes_unit="$(GetPADDValue iface.v4.tx_bytes.unit)"
tx_bytes=$(printf "%.1f %b" "${tx_bytes}" "${tx_bytes_unit}")
rx_bytes="$(GetPADDValue iface.v4.rx_bytes.value)"
rx_bytes_unit="$(GetPADDValue iface.v4.rx_bytes.unit)"
rx_bytes=$(printf "%.1f %b" "${rx_bytes}" "${rx_bytes_unit}")
# If IPv4 and IPv6 interfaces are not the same, add a "*" to the interface
# name to highlight that there are two different interfaces and the
# displayed statistics are only for the IPv4 interface, while the IPv6
# address correctly corresponds to the default IPv6 interface
if [ ! "${gateway_v4_iface}" = "${gateway_v6_iface}" ]; then
iface_name="${iface_name}*"
fi
}
GetPiholeInformation() {
# If FTL is not running (sysinfo is 000), set all variables to "not running"
connection_down_flag=false
if [ "${padd_data}" = "000" ]; then
ftl_status="No connection"
ftl_heatmap=${red_text}
ftl_check_box=${check_box_bad}
# set flag to change the status message in SetStatusMessage()
connection_down_flag=true
ftl_cpu="N/A"
ftl_mem_percentage="N/A"
else
ftl_status="Running"
ftl_heatmap=${green_text}
ftl_check_box=${check_box_good}
# Get FTL CPU and memory usage
ftl_cpu_raw="$(GetPADDValue "%cpu")"
ftl_mem_percentage_raw="$(GetPADDValue "%mem")"
ftl_cpu="$(printf "%.1f" "${ftl_cpu_raw}")%"
ftl_mem_percentage="$(printf "%.1f" "${ftl_mem_percentage_raw}")%"
# Get Pi-hole (blocking) status
ftl_dns_port=$(GetPADDValue config.dns_port)
# Get FTL's current PID
ftlPID="$(GetPADDValue pid)"
fi
# ${ftl_dns_port} == 0 DNS server part of dnsmasq disabled
dns_down_flag=false
if [ "${ftl_dns_port}" = 0 ] || [ "${ftl_status}" = "No connection" ]; then
dns_status="DNS offline"
dns_heatmap=${red_text}
dns_check_box=${check_box_bad}
# set flag to change the status message in SetStatusMessage()
dns_down_flag=true
else
dns_check_box=${check_box_good}
dns_status="Active"
dns_heatmap=${green_text}
fi
}
GetVersionInformation() {
out_of_date_flag=false
# Gather DOCKER version information...
# returns "null" if not running Pi-hole in Docker container
DOCKER_VERSION="$(GetPADDValue version.docker.local)"
# If PADD is running inside docker, immediately return without checking for updated component versions
if [ ! "${DOCKER_VERSION}" = "null" ] ; then
GITHUB_DOCKER_VERSION="$(GetPADDValue version.docker.remote)"
docker_version_converted="$(VersionConverter "${DOCKER_VERSION}")"
docker_version_latest_converted="$(VersionConverter "${GITHUB_DOCKER_VERSION}")"
# Note: the version comparison will fail for any Docker tag not following a 'YYYY.MM.VV' scheme
# e.g. 'nightly', 'beta', 'v6-pre-alpha' and might set a false out_of_date_flag
# As those versions are not meant to be used in production, we ignore this small bug
if [ "${docker_version_converted}" -lt "${docker_version_latest_converted}" ]; then
out_of_date_flag="true"
docker_version_heatmap=${red_text}
else
docker_version_heatmap=${green_text}
fi
return
fi
# Gather core version information...
CORE_BRANCH="$(GetPADDValue version.core.local.branch)"
CORE_VERSION="$(GetPADDValue version.core.local.version | tr -d '[:alpha:]' | awk -F '-' '{printf $1}')"
GITHUB_CORE_VERSION="$(GetPADDValue version.core.remmote.version | tr -d '[:alpha:]' | awk -F '-' '{printf $1}')"
CORE_HASH="$(GetPADDValue version.core.local.hash)"
GITHUB_CORE_HASH="$(GetPADDValue version.core.remote.hash)"
if [ "${CORE_BRANCH}" = "master" ]; then
core_version_converted="$(VersionConverter "${CORE_VERSION}")"
core_version_latest_converted=$(VersionConverter "${GITHUB_CORE_VERSION}")
if [ "${core_version_converted}" -lt "${core_version_latest_converted}" ]; then
out_of_date_flag="true"
core_version_heatmap=${red_text}
else
core_version_heatmap=${green_text}
fi
else
# Custom branch
if [ -z "${CORE_BRANCH}" ]; then
# Branch name is empty, something went wrong
core_version_heatmap=${red_text}
CORE_VERSION="?"
else
if [ "${CORE_HASH}" = "${GITHUB_CORE_HASH}" ]; then
# up-to-date
core_version_heatmap=${green_text}
else
# out-of-date
out_of_date_flag="true"
core_version_heatmap=${red_text}
fi
# shorten common branch names (fix/, tweak/, new/)
# use the first 7 characters of the branch name as version
CORE_VERSION="$(printf '%s' "$CORE_BRANCH" | sed 's/fix\//f\//;s/new\//n\//;s/tweak\//t\//' | cut -c 1-7)"
fi
fi
# Gather web version information...
WEB_VERSION="$(GetPADDValue version.web.local.version)"
if [ ! "$WEB_VERSION" = "null" ]; then
WEB_BRANCH="$(GetPADDValue version.web.local.branch)"
WEB_VERSION="$(GetPADDValue version.web.local.version | tr -d '[:alpha:]' | awk -F '-' '{printf $1}')"
GITHUB_WEB_VERSION="$(GetPADDValue version.web.remmote.version | tr -d '[:alpha:]' | awk -F '-' '{printf $1}')"
WEB_HASH="$(GetPADDValue version.web.local.hash)"
GITHUB_WEB_HASH="$(GetPADDValue version.web.remote.hash)"
if [ "${WEB_BRANCH}" = "master" ]; then
web_version_converted="$(VersionConverter "${WEB_VERSION}")"
web_version_latest_converted=$(VersionConverter "${GITHUB_WEB_VERSION}")
if [ "${web_version_converted}" -lt "${web_version_latest_converted}" ]; then
out_of_date_flag="true"
web_version_heatmap=${red_text}
else
web_version_heatmap=${green_text}
fi
else
# Custom branch
if [ -z "${WEB_BRANCH}" ]; then
# Branch name is empty, something went wrong
web_version_heatmap=${red_text}
WEB_VERSION="?"
else
if [ "${WEB_HASH}" = "${GITHUB_WEB_HASH}" ]; then
# up-to-date
web_version_heatmap=${green_text}
else
# out-of-date
out_of_date_flag="true"
web_version_heatmap=${red_text}
fi
# shorten common branch names (fix/, tweak/, new/)
# use the first 7 characters of the branch name as version
WEB_VERSION="$(printf '%s' "$WEB_BRANCH" | sed 's/fix\//f\//;s/new\//n\//;s/tweak\//t\//' | cut -c 1-7)"
fi
fi
else
# Web interface not installed
WEB_VERSION="N/A"
web_version_heatmap=${yellow_text}
fi
# Gather FTL version information...
FTL_BRANCH="$(GetPADDValue version.ftl.local.branch)"
FTL_VERSION="$(GetPADDValue version.ftl.local.version | tr -d '[:alpha:]' | awk -F '-' '{printf $1}')"
GITHUB_FTL_VERSION="$(GetPADDValue version.ftl.remmote.version | tr -d '[:alpha:]' | awk -F '-' '{printf $1}')"
FTL_HASH="$(GetPADDValue version.ftl.local.hash)"
GITHUB_FTL_HASH="$(GetPADDValue version.ftl.remote.hash)"
if [ "${FTL_BRANCH}" = "master" ]; then
ftl_version_converted="$(VersionConverter "${FTL_VERSION}")"
ftl_version_latest_converted=$(VersionConverter "${GITHUB_FTL_VERSION}")
if [ "${ftl_version_converted}" -lt "${ftl_version_latest_converted}" ]; then
out_of_date_flag="true"
ftl_version_heatmap=${red_text}
else
ftl_version_heatmap=${green_text}
fi
else
# Custom branch
if [ -z "${FTL_BRANCH}" ]; then
# Branch name is empty, something went wrong
ftl_version_heatmap=${red_text}
FTL_VERSION="?"
else
if [ "${FTL_HASH}" = "${GITHUB_FTL_HASH}" ]; then
# up-to-date
ftl_version_heatmap=${green_text}
else
# out-of-date
out_of_date_flag="true"
ftl_version_heatmap=${red_text}
fi
# shorten common branch names (fix/, tweak/, new/)
# use the first 7 characters of the branch name as version
FTL_VERSION="$(printf '%s' "$FTL_BRANCH" | sed 's/fix\//f\//;s/new\//n\//;s/tweak\//t\//' | cut -c 1-7)"
fi
fi
}
GetPADDInformation() {
# If PADD is running inside docker, immediately return without checking for an update
if [ ! "${DOCKER_VERSION}" = "null" ]; then
return
fi
# PADD version information...
padd_version_latest="$(curl --silent https://api.github.com/repos/pi-hole/PADD/releases/latest | grep '"tag_name":' | awk -F \" '{print $4}')"
# is PADD up-to-date?
padd_out_of_date_flag=false
if [ -z "${padd_version_latest}" ]; then
padd_version_heatmap=${yellow_text}
else
padd_version_latest_converted="$(VersionConverter "${padd_version_latest}")"
padd_version_converted=$(VersionConverter "${padd_version}")
if [ "${padd_version_converted}" -lt "${padd_version_latest_converted}" ]; then
padd_out_of_date_flag="true"
padd_version_heatmap=${red_text}
else
# local and remote PADD version match or local is newer
padd_version_heatmap=${green_text}
fi
fi
}
GenerateSizeDependendOutput() {
if [ "$1" = "pico" ] || [ "$1" = "nano" ]; then
ads_blocked_bar=$(BarGenerator "$ads_percentage_today" 9 "color")
elif [ "$1" = "micro" ]; then
ads_blocked_bar=$(BarGenerator "$ads_percentage_today" 10 "color")
elif [ "$1" = "mini" ]; then
ads_blocked_bar=$(BarGenerator "$ads_percentage_today" 20 "color")
latest_blocked=$(truncateString "$latest_blocked_raw" 29)
top_blocked=$(truncateString "$top_blocked_raw" 29)
elif [ "$1" = "tiny" ]; then
ads_blocked_bar=$(BarGenerator "$ads_percentage_today" 30 "color")
latest_blocked=$(truncateString "$latest_blocked_raw" 41)
top_blocked=$(truncateString "$top_blocked_raw" 41)
top_domain=$(truncateString "$top_domain_raw" 41)
top_client=$(truncateString "$top_client_raw" 41)
elif [ "$1" = "regular" ] || [ "$1" = "slim" ]; then
ads_blocked_bar=$(BarGenerator "$ads_percentage_today" 40 "color")
latest_blocked=$(truncateString "$latest_blocked_raw" 48)
top_blocked=$(truncateString "$top_blocked_raw" 48)
top_domain=$(truncateString "$top_domain_raw" 48)
top_client=$(truncateString "$top_client_raw" 48)
elif [ "$1" = "mega" ]; then
ads_blocked_bar=$(BarGenerator "$ads_percentage_today" 30 "color")
latest_blocked=$(truncateString "$latest_blocked_raw" 68)
top_blocked=$(truncateString "$top_blocked_raw" 68)
top_domain=$(truncateString "$top_domain_raw" 68)
top_client=$(truncateString "$top_client_raw" 68)
fi
# System uptime
if [ "$1" = "pico" ] || [ "$1" = "nano" ] || [ "$1" = "micro" ]; then
system_uptime="$(convertUptime "${system_uptime_raw}" | awk -F ',' '{print $1 "," $2}')"
else
system_uptime="$(convertUptime "${system_uptime_raw}")"
fi
# Bar generations
if [ "$1" = "mini" ]; then
cpu_bar=$(BarGenerator "${cpu_percent}" 20)
memory_bar=$(BarGenerator "${memory_percent}" 20)
elif [ "$1" = "tiny" ]; then
cpu_bar=$(BarGenerator "${cpu_percent}" 7)
memory_bar=$(BarGenerator "${memory_percent}" 7)
else
cpu_bar=$(BarGenerator "${cpu_percent}" 10)
memory_bar=$(BarGenerator "${memory_percent}" 10)
fi
}
SetStatusMessage() {
# depending on which flags are set, the "message field" shows a different output
# 7 messages are possible (from highest to lowest priority):
# - System is hot
# - FTLDNS service is not running
# - Pi-hole's DNS server is off (FTL running, but not providing DNS)
# - Unable to determine Pi-hole blocking status
# - Pi-hole blocking disabled
# - Updates are available
# - Everything is fine
if [ "${hot_flag}" = true ]; then
# Check if CPU temperature is high
pico_status="${pico_status_hot}"
mini_status="${mini_status_hot} ${blinking_text}${red_text}${temperature}${reset_text}"
tiny_status="${tiny_status_hot} ${blinking_text}${red_text}${temperature}${reset_text}"
full_status="${full_status_hot} ${blinking_text}${red_text}${temperature}${reset_text}"
mega_status="${mega_status_hot} ${blinking_text}${red_text}${temperature}${reset_text}"
elif [ "${connection_down_flag}" = true ]; then
# Check if FTL is down
pico_status=${pico_status_ftl_down}
mini_status=${mini_status_ftl_down}
tiny_status=${tiny_status_ftl_down}
full_status=${full_status_ftl_down}
mega_status=${mega_status_ftl_down}
elif [ "${dns_down_flag}" = true ]; then
# Check if DNS is down
pico_status=${pico_status_dns_down}
mini_status=${mini_status_dns_down}
tiny_status=${tiny_status_dns_down}
full_status=${full_status_dns_down}
mega_status=${mega_status_dns_down}
elif [ "${blocking_enabled}" = "false" ]; then
# Check if blocking status is disabled
pico_status=${pico_status_off}
mini_status=${mini_status_off}
tiny_status=${tiny_status_off}
full_status=${full_status_off}
mega_status=${mega_status_off}
elif [ "${out_of_date_flag}" = "true" ] || [ "${padd_out_of_date_flag}" = "true" ]; then
# Check if one of the components of Pi-hole (or PADD itself) is out of date
pico_status=${pico_status_update}
mini_status=${mini_status_update}
tiny_status=${tiny_status_update}
full_status=${full_status_update}
mega_status=${mega_status_update}
elif [ "${blocking_enabled}" = "true" ]; then
# if we reach this point and blocking is enabled, everything is fine
pico_status=${pico_status_ok}
mini_status=${mini_status_ok}
tiny_status=${tiny_status_ok}
full_status=${full_status_ok}
mega_status=${mega_status_ok}
fi
}
############################################# PRINTERS #############################################
PrintLogo() {
if [ ! "${DOCKER_VERSION}" = "null" ]; then
version_info="Docker ${docker_version_heatmap}${DOCKER_VERSION}${reset_text}"
else
version_info="Pi-hole® ${core_version_heatmap}${CORE_VERSION}${reset_text}, Web ${web_version_heatmap}${WEB_VERSION}${reset_text}, FTL ${ftl_version_heatmap}${FTL_VERSION}${reset_text}"
fi
# Screen size checks
if [ "$1" = "pico" ]; then
printf "%s${clear_line}\n" "p${padd_text} ${pico_status}"
elif [ "$1" = "nano" ]; then
printf "%s${clear_line}\n" "n${padd_text} ${mini_status}"
elif [ "$1" = "micro" ]; then
printf "%s${clear_line}\n${clear_line}\n" "µ${padd_text} ${mini_status}"
elif [ "$1" = "mini" ]; then
printf "%s${clear_line}\n${clear_line}\n" "${padd_text}${dim_text}mini${reset_text} ${mini_status}"
elif [ "$1" = "tiny" ]; then
printf "%s${clear_line}\n" "${padd_text}${dim_text}tiny${reset_text} ${version_info}${reset_text}"
printf "%s${clear_line}\n" " PADD ${padd_version_heatmap}${padd_version}${reset_text} ${tiny_status}${reset_text}"
elif [ "$1" = "slim" ]; then
printf "%s${clear_line}\n${clear_line}\n" "${padd_text}${dim_text}slim${reset_text} ${full_status}"
elif [ "$1" = "regular" ] || [ "$1" = "slim" ]; then
printf "%s${clear_line}\n" "${padd_logo_1}"
printf "%s${clear_line}\n" "${padd_logo_2}${version_info}${reset_text}"
printf "%s${clear_line}\n${clear_line}\n" "${padd_logo_3}PADD ${padd_version_heatmap}${padd_version}${reset_text} ${full_status}${reset_text}"
# normal or not defined
else
printf "%s${clear_line}\n" "${padd_logo_retro_1}"
printf "%s${clear_line}\n" "${padd_logo_retro_2} ${version_info}, PADD ${padd_version_heatmap}${padd_version}${reset_text}"
printf "%s${clear_line}\n${clear_line}\n" "${padd_logo_retro_3} ${dns_check_box} DNS ${ftl_check_box} FTL ${mega_status}${reset_text}"
fi
}
PrintDashboard() {
if [ ! "${DOCKER_VERSION}" = "null" ]; then
version_info="Docker ${docker_version_heatmap}${DOCKER_VERSION}${reset_text}"
else
version_info="Pi-hole® ${core_version_heatmap}${CORE_VERSION}${reset_text}, Web ${web_version_heatmap}${WEB_VERSION}${reset_text}, FTL ${ftl_version_heatmap}${FTL_VERSION}${reset_text}"
fi
# Move cursor to (0,0).
printf '\e[H'
# adds the y-offset
moveYOffset
if [ "$1" = "pico" ]; then
# pico is a screen at least 20x10 (columns x lines)
moveXOffset; printf "%s${clear_line}\n" "p${padd_text} ${pico_status}"
moveXOffset; printf "%s${clear_line}\n" "${bold_text}PI-HOLE ============${reset_text}"
moveXOffset; printf "%s${clear_line}\n" " [${ads_blocked_bar}] ${ads_percentage_today}%"
moveXOffset; printf "%s${clear_line}\n" " ${ads_blocked_today} / ${dns_queries_today}"
moveXOffset; printf "%s${clear_line}\n" "${bold_text}NETWORK ============${reset_text}"
moveXOffset; printf "%s${clear_line}\n" " Hst: ${pi_hostname}"
moveXOffset; printf "%s${clear_line}\n" " IP: ${pi_ip4_addr}"
moveXOffset; printf "%s${clear_line}\n" " DHCP ${dhcp_check_box} IPv6 ${dhcp_ipv6_check_box}"
moveXOffset; printf "%s${clear_line}\n" "${bold_text}CPU ================${reset_text}"
moveXOffset; printf "%s${clear_line}" " [${cpu_load_1_heatmap}${cpu_bar}${reset_text}] ${cpu_percent}%"
elif [ "$1" = "nano" ]; then
# nano is a screen at least 24x12 (columns x lines)
moveXOffset; printf "%s${clear_line}\n" "n${padd_text} ${mini_status}"
moveXOffset; printf "%s${clear_line}\n" "${bold_text}PI-HOLE ================${reset_text}"
moveXOffset; printf "%s${clear_line}\n" " DNS: ${dns_check_box} FTL: ${ftl_check_box}"
moveXOffset; printf "%s${clear_line}\n" " Blk: [${ads_blocked_bar}] ${ads_percentage_today}%"
moveXOffset; printf "%s${clear_line}\n" " Blk: ${ads_blocked_today} / ${dns_queries_today}"
moveXOffset; printf "%s${clear_line}\n" "${bold_text}NETWORK ================${reset_text}"
moveXOffset; printf "%s${clear_line}\n" " Host: ${pi_hostname}"
moveXOffset; printf "%s${clear_line}\n" " IP: ${pi_ip4_addr}"
moveXOffset; printf "%s${clear_line}\n" " DHCP: ${dhcp_check_box} IPv6: ${dhcp_ipv6_check_box}"
moveXOffset; printf "%s${clear_line}\n" "${bold_text}SYSTEM =================${reset_text}"
moveXOffset; printf "%s${clear_line}\n" " Up: ${system_uptime}"
moveXOffset; printf "%s${clear_line}" " CPU: [${cpu_load_1_heatmap}${cpu_bar}${reset_text}] ${cpu_percent}%"
elif [ "$1" = "micro" ]; then
# micro is a screen at least 30x16 (columns x lines)
moveXOffset; printf "%s${clear_line}\n" "µ${padd_text} ${mini_status}"
moveXOffset; printf "%s${clear_line}\n" ""
moveXOffset; printf "%s${clear_line}\n" "${bold_text}PI-HOLE ======================${reset_text}"
moveXOffset; printf "%s${clear_line}\n" " DNS: ${dns_check_box} FTL: ${ftl_check_box}"
moveXOffset; printf "%s${clear_line}\n" "${bold_text}STATS ========================${reset_text}"
moveXOffset; printf "%s${clear_line}\n" " Blckng: ${domains_being_blocked} domains"
moveXOffset; printf "%s${clear_line}\n" " Piholed: [${ads_blocked_bar}] ${ads_percentage_today}%"
moveXOffset; printf "%s${clear_line}\n" " Piholed: ${ads_blocked_today} / ${dns_queries_today}"
moveXOffset; printf "%s${clear_line}\n" "${bold_text}NETWORK ======================${reset_text}"
moveXOffset; printf "%s${clear_line}\n" " Host: ${full_hostname}"
moveXOffset; printf "%s${clear_line}\n" " IP: ${pi_ip4_addr}"
moveXOffset; printf "%s${clear_line}\n" " DHCP: ${dhcp_check_box} IPv6: ${dhcp_ipv6_check_box}"
moveXOffset; printf "%s${clear_line}\n" "${bold_text}SYSTEM =======================${reset_text}"
moveXOffset; printf "%s${clear_line}\n" " Uptime: ${system_uptime}"
moveXOffset; printf "%s${clear_line}\n" " Load: [${cpu_load_1_heatmap}${cpu_bar}${reset_text}] ${cpu_percent}%"
moveXOffset; printf "%s${clear_line}" " Memory: [${memory_heatmap}${memory_bar}${reset_text}] ${memory_percent}%"
elif [ "$1" = "mini" ]; then
# mini is a screen at least 40x18 (columns x lines)
moveXOffset; printf "%s${clear_line}\n" "${padd_text}${dim_text}mini${reset_text} ${mini_status}"
moveXOffset; printf "%s${clear_line}\n" ""
moveXOffset; printf "%s${clear_line}\n" "${bold_text}PI-HOLE ================================${reset_text}"
moveXOffset; printf " %-9s${dns_heatmap}%-10s${reset_text} %-5s${ftl_heatmap}%-10s${reset_text}${clear_line}\n" "DNS:" "${dns_status}" "FTL:" "${ftl_status}"
moveXOffset; printf "%s${clear_line}\n" "${bold_text}STATS ==================================${reset_text}"
moveXOffset; printf " %-9s%-29s${clear_line}\n" "Blckng:" "${domains_being_blocked} domains"
moveXOffset; printf " %-9s[%-20s] %-5s${clear_line}\n" "Piholed:" "${ads_blocked_bar}" "${ads_percentage_today}%"
moveXOffset; printf " %-9s%-29s${clear_line}\n" "Piholed:" "${ads_blocked_today} out of ${dns_queries_today}"
moveXOffset; printf " %-9s%-29s${clear_line}\n" "Latest:" "${latest_blocked}"
if [ "${DHCP_ACTIVE}" != "true" ]; then
moveXOffset; printf " %-9s%-29s${clear_line}\n" "Top Ad:" "${top_blocked}"
fi
moveXOffset; printf "%s${clear_line}\n" "${bold_text}NETWORK ================================${reset_text}"
moveXOffset; printf " %-9s%-16s%-5s%-9s${clear_line}\n" "Host:" "${full_hostname}" "DNS:" "${dns_information}"
moveXOffset; printf " %-9s%s${clear_line}\n" "IP:" "${pi_ip4_addr} (${iface_name})"
moveXOffset; printf " %-9s%-4s%-12s%-4s%-5s${clear_line}\n" "Traffic:" "TX:" "${tx_bytes}" "RX:" "${rx_bytes}"
if [ "${DHCP_ACTIVE}" = "true" ]; then
moveXOffset; printf " %-9s${dhcp_heatmap}%-10s${reset_text} %-9s${dhcp_ipv6_heatmap}%-10s${reset_text}${clear_line}\n" "DHCP:" "${dhcp_status}" "IPv6:" ${dhcp_ipv6_status}
fi
moveXOffset; printf "%s${clear_line}\n" "${bold_text}SYSTEM =================================${reset_text}"
moveXOffset; printf " %-9s%-29s${clear_line}\n" "Uptime:" "${system_uptime}"
moveXOffset; printf "%s${clear_line}\n" " Load: [${cpu_load_1_heatmap}${cpu_bar}${reset_text}] ${cpu_percent}%"
moveXOffset; printf "%s${clear_line}" " Memory: [${memory_heatmap}${memory_bar}${reset_text}] ${memory_percent}%"
elif [ "$1" = "tiny" ]; then
# tiny is a screen at least 53x20 (columns x lines)
moveXOffset; printf "%s${clear_line}\n" "${padd_text}${dim_text}tiny${reset_text} ${version_info}${reset_text}"
moveXOffset; printf "%s${clear_line}\n" " PADD ${padd_version_heatmap}${padd_version}${reset_text} ${tiny_status}${reset_text}"
moveXOffset; printf "%s${clear_line}\n" "${bold_text}PI-HOLE =============================================${reset_text}"
moveXOffset; printf " %-10s${dns_heatmap}%-16s${reset_text} %-8s${ftl_heatmap}%-10s${reset_text}${clear_line}\n" "DNS:" "${dns_status}" "FTL:" "${ftl_status}"
moveXOffset; printf "%s${clear_line}\n" "${bold_text}STATS ===============================================${reset_text}"
moveXOffset; printf " %-10s%-29s${clear_line}\n" "Blocking:" "${domains_being_blocked} domains"
moveXOffset; printf " %-10s[%-30s] %-5s${clear_line}\n" "Pi-holed:" "${ads_blocked_bar}" "${ads_percentage_today}%"
moveXOffset; printf " %-10s%-39s${clear_line}\n" "Pi-holed:" "${ads_blocked_today} out of ${dns_queries_today}"
moveXOffset; printf " %-10s%-39s${clear_line}\n" "Latest:" "${latest_blocked}"
moveXOffset; printf " %-10s%-39s${clear_line}\n" "Top Ad:" "${top_blocked}"
if [ "${DHCP_ACTIVE}" != "true" ]; then
moveXOffset; printf " %-10s%-39s${clear_line}\n" "Top Dmn:" "${top_domain}"
moveXOffset; printf " %-10s%-39s${clear_line}\n" "Top Clnt:" "${top_client}"
fi
moveXOffset; printf "%s${clear_line}\n" "${bold_text}NETWORK =============================================${reset_text}"
moveXOffset; printf " %-10s%-16s %-8s%-16s${clear_line}\n" "Hostname:" "${full_hostname}" "IP: " "${pi_ip4_addr}"
moveXOffset; printf " %-10s%-16s %-4s%-7s %-4s%-5s${clear_line}\n" "Interfce:" "${iface_name}" "TX:" "${tx_bytes}" "RX:" "${rx_bytes}"
moveXOffset; printf " %-10s%-16s %-8s${dnssec_heatmap}%-16s${reset_text}${clear_line}\n" "DNS:" "${dns_information}" "DNSSEC:" "${dnssec_status}"
if [ "${DHCP_ACTIVE}" = "true" ]; then
moveXOffset; printf " %-10s${dhcp_heatmap}%-16s${reset_text} %-8s${dhcp_ipv6_heatmap}%-10s${reset_text}${clear_line}\n" "DHCP:" "${dhcp_status}" "IPv6:" ${dhcp_ipv6_status}
moveXOffset; printf "%s${clear_line}\n" "${dhcp_info}"
fi
moveXOffset; printf "%s${clear_line}\n" "${bold_text}SYSTEM ==============================================${reset_text}"
moveXOffset; printf " %-10s%-29s${clear_line}\n" "Uptime:" "${system_uptime}"
moveXOffset; printf " %-10s${temp_heatmap}%-17s${reset_text} %-8s${cpu_load_1_heatmap}%-4s${reset_text}, ${cpu_load_5_heatmap}%-4s${reset_text}, ${cpu_load_15_heatmap}%-4s${reset_text}${clear_line}\n" "CPU Temp:" "${temperature}" "Load:" "${cpu_load_1}" "${cpu_load_5}" "${cpu_load_15}"
moveXOffset; printf " %-10s[${memory_heatmap}%-7s${reset_text}] %-6s %-8s[${cpu_load_1_heatmap}%-7s${reset_text}] %-5s${clear_line}" "Memory:" "${memory_bar}" "${memory_percent}%" "CPU:" "${cpu_bar}" "${cpu_percent}%"
elif [ "$1" = "regular" ] || [ "$1" = "slim" ]; then
# slim is a screen with at least 60 columns and exactly 21 lines
# regular is a screen at least 60x22 (columns x lines)
if [ "$1" = "slim" ]; then
moveXOffset; printf "%s${clear_line}\n" "${padd_text}${dim_text}slim${reset_text} ${version_info}${reset_text}"
moveXOffset; printf "%s${clear_line}\n" " PADD ${padd_version_heatmap}${padd_version}${reset_text} ${full_status}${reset_text}"
moveXOffset; printf "%s${clear_line}\n" ""
else
moveXOffset; printf "%s${clear_line}\n" "${padd_logo_1}"
moveXOffset; printf "%s${clear_line}\n" "${padd_logo_2}${version_info}${reset_text}"
moveXOffset; printf "%s${clear_line}\n" "${padd_logo_3}PADD ${padd_version_heatmap}${padd_version}${reset_text} ${full_status}${reset_text}"
moveXOffset; printf "%s${clear_line}\n" ""
fi
moveXOffset; printf "%s${clear_line}\n" "${bold_text}PI-HOLE ====================================================${reset_text}"
moveXOffset; printf " %-10s${dns_heatmap}%-19s${reset_text} %-10s${ftl_heatmap}%-19s${reset_text}${clear_line}\n" "DNS:" "${dns_status}" "FTL:" "${ftl_status}"
moveXOffset; printf "%s${clear_line}\n" "${bold_text}STATS ======================================================${reset_text}"
moveXOffset; printf " %-10s%-49s${clear_line}\n" "Blocking:" "${domains_being_blocked} domains"
moveXOffset; printf " %-10s[%-40s] %-5s${clear_line}\n" "Pi-holed:" "${ads_blocked_bar}" "${ads_percentage_today}%"
moveXOffset; printf " %-10s%-49s${clear_line}\n" "Pi-holed:" "${ads_blocked_today} out of ${dns_queries_today} queries"
moveXOffset; printf " %-10s%-39s${clear_line}\n" "Latest:" "${latest_blocked}"
moveXOffset; printf " %-10s%-39s${clear_line}\n" "Top Ad:" "${top_blocked}"
if [ "${DHCP_ACTIVE}" != "true" ]; then
moveXOffset; printf " %-10s%-39s${clear_line}\n" "Top Dmn:" "${top_domain}"
moveXOffset; printf " %-10s%-39s${clear_line}\n" "Top Clnt:" "${top_client}"
fi
moveXOffset; printf "%s${clear_line}\n" "${bold_text}NETWORK ====================================================${reset_text}"
moveXOffset; printf " %-10s%-15s %-4s%-17s%-6s%s${clear_line}\n" "Hostname:" "${full_hostname}" "IP:" "${pi_ip4_addr}" "IPv6:" "${ipv6_check_box}"
moveXOffset; printf " %-10s%-15s %-4s%-17s%-4s%s${clear_line}\n" "Interfce:" "${iface_name}" "TX:" "${tx_bytes}" "RX:" "${rx_bytes}"
moveXOffset; printf " %-10s%-15s %-10s${dnssec_heatmap}%-19s${reset_text}${clear_line}\n" "DNS:" "${dns_information}" "DNSSEC:" "${dnssec_status}"
if [ "${DHCP_ACTIVE}" = "true" ]; then
moveXOffset; printf " %-10s${dhcp_heatmap}%-15s${reset_text} %-10s${dhcp_ipv6_heatmap}%-19s${reset_text}${clear_line}\n" "DHCP:" "${dhcp_status}" "IPv6:" ${dhcp_ipv6_status}
moveXOffset; printf "%s${clear_line}\n" "${dhcp_info}"
fi
moveXOffset; printf "%s${clear_line}\n" "${bold_text}SYSTEM =====================================================${reset_text}"
moveXOffset; printf " %-10s%-39s${clear_line}\n" "Uptime:" "${system_uptime}"
moveXOffset; printf " %-10s${temp_heatmap}%-21s${reset_text}%-10s${cpu_load_1_heatmap}%-4s${reset_text}, ${cpu_load_5_heatmap}%-4s${reset_text}, ${cpu_load_15_heatmap}%-4s${reset_text}${clear_line}\n" "CPU Temp:" "${temperature}" "CPU Load:" "${cpu_load_1}" "${cpu_load_5}" "${cpu_load_15}"
moveXOffset; printf " %-10s[${memory_heatmap}%-10s${reset_text}] %-6s %-10s[${cpu_load_1_heatmap}%-10s${reset_text}] %-5s${clear_line}" "Memory:" "${memory_bar}" "${memory_percent}%" "CPU Load:" "${cpu_bar}" "${cpu_percent}%"
else # ${padd_size} = mega
# mega is a screen with at least 80 columns and 26 lines
moveXOffset; printf "%s${clear_line}\n" "${padd_logo_retro_1}"
moveXOffset; printf "%s${clear_line}\n" "${padd_logo_retro_2} ${version_info}, PADD ${padd_version_heatmap}${padd_version}${reset_text}"
moveXOffset; printf "%s${clear_line}\n" "${padd_logo_retro_3} ${dns_check_box} DNS ${ftl_check_box} FTL ${mega_status}${reset_text}"
moveXOffset; printf "%s${clear_line}\n" ""
moveXOffset; printf "%s${clear_line}\n" "${bold_text}STATS ==========================================================================${reset_text}"
moveXOffset; printf " %-10s%-19s %-10s[%-40s] %-5s${clear_line}\n" "Blocking:" "${domains_being_blocked} domains" "Piholed:" "${ads_blocked_bar}" "${ads_percentage_today}%"
moveXOffset; printf " %-10s%-30s%-29s${clear_line}\n" "Clients:" "${clients}" " ${ads_blocked_today} out of ${dns_queries_today} queries"
moveXOffset; printf " %-10s%-39s${clear_line}\n" "Latest:" "${latest_blocked}"
moveXOffset; printf " %-10s%-39s${clear_line}\n" "Top Ad:" "${top_blocked}"
moveXOffset; printf " %-10s%-39s${clear_line}\n" "Top Dmn:" "${top_domain}"
moveXOffset; printf " %-10s%-39s${clear_line}\n" "Top Clnt:" "${top_client}"
moveXOffset; printf "%s${clear_line}\n" "${bold_text}FTL ============================================================================${reset_text}"
moveXOffset; printf " %-10s%-9s %-10s%-9s %-10s%-9s${clear_line}\n" "PID:" "${ftlPID}" "CPU Use:" "${ftl_cpu}" "Mem. Use:" "${ftl_mem_percentage}"
moveXOffset; printf " %-10s%-69s${clear_line}\n" "DNSCache:" "${cache_inserts} insertions, ${cache_evictions} deletions, ${cache_size} total entries"
moveXOffset; printf "%s${clear_line}\n" "${bold_text}NETWORK ========================================================================${reset_text}"
moveXOffset; printf " %-10s%-19s${clear_line}\n" "Hostname:" "${full_hostname}"
moveXOffset; printf " %-10s%-15s %-4s%-9s %-4s%-9s${clear_line}\n" "Interfce:" "${iface_name}" "TX:" "${tx_bytes}" "RX:" "${rx_bytes}"
moveXOffset; printf " %-6s%-19s %-10s%-29s${clear_line}\n" "IPv4:" "${pi_ip4_addr}" "IPv6:" "${pi_ip6_addr}"
moveXOffset; printf "%s${clear_line}\n" "${bold_text}DNS ==========================DHCP==============================================${reset_text}"
moveXOffset; printf " %-10s%-19s %-6s${dhcp_heatmap}%-19s${reset_text}${clear_line}\n" "Servers:" "${dns_information}" "DHCP:" "${dhcp_status}"
moveXOffset; printf " %-10s${dnssec_heatmap}%-19s${reset_text} %-10s${dhcp_ipv6_heatmap}%-9s${reset_text}${clear_line}\n" "DNSSEC:" "${dnssec_status}" "IPv6 Spt:" "${dhcp_ipv6_status}"
moveXOffset; printf " %-10s${conditional_forwarding_heatmap}%-19s${reset_text}%s${clear_line}\n" "CdFwding:" "${conditional_forwarding_status}" "${dhcp_info}"
moveXOffset; printf "%s${clear_line}\n" "${bold_text}SYSTEM =========================================================================${reset_text}"
moveXOffset; printf " %-10s%-39s${clear_line}\n" "Device:" "${sys_model}"
moveXOffset; printf " %-10s%-39s %-10s[${memory_heatmap}%-10s${reset_text}] %-6s${clear_line}\n" "Uptime:" "${system_uptime}" "Memory:" "${memory_bar}" "${memory_percent}%"
moveXOffset; printf " %-10s${temp_heatmap}%-10s${reset_text} %-10s${cpu_load_1_heatmap}%-4s${reset_text}, ${cpu_load_5_heatmap}%-4s${reset_text}, ${cpu_load_15_heatmap}%-7s${reset_text} %-10s[${memory_heatmap}%-10s${reset_text}] %-6s${clear_line}" "CPU Temp:" "${temperature}" "CPU Load:" "${cpu_load_1}" "${cpu_load_5}" "${cpu_load_15}" "CPU Load:" "${cpu_bar}" "${cpu_percent}%"
fi
# Clear to end of screen (below the drawn dashboard)
# https://vt100.net/docs/vt510-rm/ED.html
printf '\e[0J'
}
############################################# HELPERS ##############################################
# Provides a color based on a provided percentage
# takes in one or two parameters
HeatmapGenerator () {
# if one number is provided, just use that percentage to figure out the colors
if [ -z "$2" ]; then
load=$(printf "%.0f" "$1")
# if two numbers are provided, do some math to make a percentage to figure out the colors
else
load=$(printf "%.0f" "$(echo "$1 $2" | awk '{print ($1 / $2) * 100}')")
fi
# Color logic
# |<- green ->| yellow | red ->
# 0 5 10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 90 95 100
if [ "${load}" -lt 75 ]; then
out=${green_text}
elif [ "${load}" -lt 90 ]; then
out=${yellow_text}
else
out=${red_text}
fi
echo "$out"
}
# Provides a "bar graph"
# takes in two or three parameters
# $1: percentage filled
# $2: max length of the bar
# $3: colored flag, if "color" backfill with color
BarGenerator() {
# number of filled in cells in the bar
barNumber=$(printf %.f "$(echo "$1 $2" | awk '{print ($1 / 100) * $2}')")
frontFill=$(for i in $(seq "$barNumber"); do printf "%b" "■"; done)
# remaining "unfilled" cells in the bar
backfillNumber=$(($2-barNumber))
# if the filled in cells is less than the max length of the bar, fill it
if [ "$barNumber" -lt "$2" ]; then
# if the bar should be colored
if [ "$3" = "color" ]; then
# fill the rest in color
backFill=$(for i in $(seq $backfillNumber); do printf "%b" "■"; done)
out="${red_text}${frontFill}${green_text}${backFill}${reset_text}"
# else, it shouldn't be colored in
else
# fill the rest with "space"
backFill=$(for i in $(seq $backfillNumber); do printf "%b" "·"; done)
out="${frontFill}${reset_text}${backFill}"
fi
# else, fill it all the way
else
out=$(for i in $(seq "$2"); do printf "%b" "■"; done)
fi
echo "$out"
}
# Checks the size of the screen and sets the value of ${padd_data}_size
SizeChecker(){
# adding a tiny delay here to to give the kernel a bit time to
# report new sizes correctly after a terminal resize
# this reduces "flickering" of GenerateSizeDependendOutput() items
# after a terminal re-size
sleep 0.1
console_width=$(tput cols)
console_height=$(tput lines)
# Mega
if [ "$console_width" -ge "80" ] && [ "$console_height" -ge "26" ]; then
padd_size="mega"
width=80
height=26
# Below Mega. Gives you Regular.
elif [ "$console_width" -ge "60" ] && [ "$console_height" -ge "22" ]; then
padd_size="regular"
width=60
height=22
# Below Regular. Gives you Slim.
elif [ "$console_width" -ge "60" ] && [ "$console_height" -ge "21" ]; then
padd_size="slim"
width=60
height=21
# Below Slim. Gives you Tiny.
elif [ "$console_width" -ge "53" ] && [ "$console_height" -ge "20" ]; then
padd_size="tiny"
width=53
height=20
# Below Tiny. Gives you Mini.
elif [ "$console_width" -ge "40" ] && [ "$console_height" -ge "18" ]; then
padd_size="mini"
width=40
height=18
# Below Mini. Gives you Micro.
elif [ "$console_width" -ge "30" ] && [ "$console_height" -ge "16" ]; then
padd_size="micro"
width=30
height=16
# Below Micro, Gives you Nano.
elif [ "$console_width" -ge "24" ] && [ "$console_height" -ge "12" ]; then
padd_size="nano"
width=24
height=12
# Below Nano. Gives you Pico.
elif [ "$console_width" -ge "20" ] && [ "$console_height" -ge "10" ]; then
padd_size="pico"
width=20
height=10
# Below Pico. Gives you nothing...
else
# Nothing is this small, sorry
printf "%b" "${check_box_bad} Error!\n PADD isn't\n for ants!\n"
exit 1
fi
# Center the output (default position)
xOffset="$(( (console_width - width) / 2 ))"
yOffset="$(( (console_height - height) / 2 ))"
# If the user sets an offset option, use it.
if [ -n "$xOffOrig" ]; then
xOffset=$xOffOrig
# Limit the offset to avoid breaks
xMaxOffset=$((console_width - width))
if [ "$xOffset" -gt "$xMaxOffset" ]; then
xOffset="$xMaxOffset"
fi
fi
if [ -n "$yOffOrig" ]; then
yOffset=$yOffOrig
# Limit the offset to avoid breaks
yMaxOffset=$((console_height - height))
if [ "$yOffset" -gt "$yMaxOffset" ]; then
yOffset="$yMaxOffset"
fi
fi
}
# converts a given version string e.g. v3.7.1 to 3007001000 to allow for easier comparison of multi digit version numbers
# credits https://apple.stackexchange.com/a/123408
VersionConverter() {
echo "$@" | tr -d '[:alpha:]' | awk -F. '{ printf("%d%03d%03d%03d\n", $1,$2,$3,$4); }';
}
moveYOffset(){
# moves the cursor yOffset-times down
# https://vt100.net/docs/vt510-rm/CUD.html
# this needs to be guarded, because if the amount is 0, it is adjusted to 1
# https://terminalguide.namepad.de/seq/csi_cb/
if [ "${yOffset}" -gt 0 ]; then
printf '\e[%sB' "${yOffset}"
fi
}
moveXOffset(){
# moves the cursor xOffset-times to the right
# https://vt100.net/docs/vt510-rm/CUF.html
# this needs to be guarded, because if the amount is 0, it is adjusted to 1
# https://terminalguide.namepad.de/seq/csi_cb/
if [ "${xOffset}" -gt 0 ]; then
printf '\e[%sC' "${xOffset}"
fi
}
# Remove undesired strings from sys_model variable - used in GetSystemInformation() function
filterModel() {
FILTERLIST="To be filled by O.E.M.|Not Applicable|System Product Name|System Version|Undefined|Default string|Not Specified|Type1ProductConfigId|INVALID|All Series|�"
# Description:
# `-v` : set $FILTERLIST into a variable called `list`
# `gsub()` : replace all list items (ignoring case) with an empty string, deleting them
# `{$1=$1}1`: remove all extra spaces. The last "1" evaluates as true, printing the result
echo "$1" | awk -v list="$FILTERLIST" '{IGNORECASE=1; gsub(list,"")}; {$1=$1}1'
}
# Truncates a given string and appends three '...'
# takes two parameters
# $1: string to truncate
# $2: max length of the string
truncateString() {
local truncatedString length shorted
length=${#1}
shorted=$(($2-3)) # shorten max allowed length by 3 to make room for the dots
if [ "${length}" -gt "$2" ]; then
# if length of the string is larger then the specified max length
# cut every char from the string exceeding length $shorted and add three dots
truncatedString=$(echo "$1" | cut -c1-$shorted)"..."
echo "${truncatedString}"
else
echo "$1"
fi
}
# Converts seconds to days, hours, minutes
# https://unix.stackexchange.com/a/338844
convertUptime() {
# shellcheck disable=SC2016
eval "echo $(date -ud "@$1" +'$((%s/3600/24)) days, %H hours, %M minutes')"
}
secretRead() {
# POSIX compliant function to read user-input and
# mask every character entered by (*)
#
# This is challenging, because in POSIX, `read` does not support
# `-s` option (suppressing the input) or
# `-n` option (reading n chars)
# This workaround changes the terminal characteristics to not echo input and later resets this option
# credits https://stackoverflow.com/a/4316765
# showing asterisk instead of password
# https://stackoverflow.com/a/24600839
# https://unix.stackexchange.com/a/464963
stty -echo # do not echo user input
stty -icanon min 1 time 0 # disable canonical mode https://man7.org/linux/man-pages/man3/termios.3.html
unset password
unset key
unset charcount
charcount=0
while key=$(dd ibs=1 count=1); do #read one byte of input
if [ "${key}" = "$(printf '\0' | tr -d '\0')" ] ; then
# Enter - accept password
break
fi
if [ "${key}" = "$(printf '\177')" ] ; then
# Backspace
if [ $charcount -gt 0 ] ; then
charcount=$((charcount-1))
printf '\b \b'
password="${password%?}"
fi
else
# any other character
charcount=$((charcount+1))
printf '*'
password="$password$key"
fi
done
# restore original terminal settings
stty "${stty_orig}"
}
check_dependencies() {
# Check for required dependencies
if ! command -v curl >/dev/null 2>&1; then
printf "%b" "${check_box_bad} Error!\n 'curl' is missing but required.\n"
exit 1
fi
if ! command -v jq >/dev/null 2>&1; then
printf "%b" "${check_box_bad} Error!\n 'jq' is missing but required.\n"
exit 1
fi
}
########################################## MAIN FUNCTIONS ##########################################
OutputJSON() {
# Hiding the cursor.
# https://vt100.net/docs/vt510-rm/DECTCEM.html
printf '\e[?25l'
# Traps for graceful shutdown
# https://unix.stackexchange.com/a/681201
trap CleanExit EXIT
trap sig_cleanup INT QUIT TERM
# Save current terminal settings (needed for later restore after password prompt)
stty_orig=$(stty -g)
# Test if the authentication endpoint is available
TestAPIAvailability
# Authenticate with the FTL server
printf "%b" "Establishing connection with FTL...\n"
LoginAPI
GetPADDData
GetSummaryInformation
printf "%b" "{\"domains_being_blocked\":${domains_being_blocked_raw},\"dns_queries_today\":${dns_queries_today_raw},\"ads_blocked_today\":${ads_blocked_today_raw},\"ads_percentage_today\":${ads_percentage_today},\"clients\": ${clients}}"
}
ShowVersion() {
# Hiding the cursor.
# https://vt100.net/docs/vt510-rm/DECTCEM.html
printf '\e[?25l'
# Traps for graceful shutdown
# https://unix.stackexchange.com/a/681201
trap CleanExit EXIT
trap sig_cleanup INT QUIT TERM
# Save current terminal settings (needed for later restore after password prompt)
stty_orig=$(stty -g)
# Test if the authentication endpoint is available
TestAPIAvailability
# Authenticate with the FTL server
printf "%b" "Establishing connection with FTL...\n"
LoginAPI
GetVersionInformation
GetPADDInformation
if [ -z "${padd_version_latest}" ]; then
padd_version_latest="N/A"
fi
if [ ! "${DOCKER_VERSION}" = "null" ]; then
# Check for latest Docker version
printf "%s${clear_line}\n" "PADD version is ${padd_version} as part of Docker ${docker_version_heatmap}${DOCKER_VERSION}${reset_text} (Latest Docker: ${GITHUB_DOCKER_VERSION})"
version_info="Docker ${docker_version_heatmap}${DOCKER_VERSION}${reset_text}"
else
printf "%s${clear_line}\n" "PADD version is ${padd_version_heatmap}${padd_version}${reset_text} (Latest: ${padd_version_latest})"
fi
}
StartupRoutine(){
# Clear the screen and move cursor to (0,0).
# This mimics the 'clear' command.
# https://vt100.net/docs/vt510-rm/ED.html
# https://vt100.net/docs/vt510-rm/CUP.html
# E3 extension `\e[3J` to clear the scrollback buffer see 'man clear'
printf '\e[H\e[2J\e[3J'
# adds the y-offset
moveYOffset
if [ "$1" = "pico" ] || [ "$1" = "nano" ] || [ "$1" = "micro" ]; then
moveXOffset; PrintLogo "$1"
moveXOffset; printf "%b" "START-UP ===========\n"
# Test if the authentication endpoint is available
TestAPIAvailability
# Authenticate with the FTL server
moveXOffset; printf "%b" "Establishing connection with FTL...\n"
LoginAPI
moveXOffset; printf "%b" "Starting PADD...\n"
moveXOffset; printf "%b" " [■·········] 10%\r"
# Request PADD data
GetPADDData
# Check for updates
moveXOffset; printf "%b" " [■■········] 20%\r"
moveXOffset; printf "%b" " [■■■·······] 30%\r"
# Get our information for the first time
moveXOffset; printf "%b" " [■■■■······] 40%\r"
GetVersionInformation
moveXOffset; printf "%b" " [■■■■■·····] 50%\r"
GetSummaryInformation
moveXOffset; printf "%b" " [■■■■■■····] 60%\r"
GetPiholeInformation
moveXOffset; printf "%b" " [■■■■■■■···] 70%\r"
GetNetworkInformation
moveXOffset; printf "%b" " [■■■■■■■■··] 80%\r"
GetSystemInformation
moveXOffset; printf "%b" " [■■■■■■■■■·] 90%\r"
GetPADDInformation
moveXOffset; printf "%b" " [■■■■■■■■■■] 100%\n"
elif [ "$1" = "mini" ]; then
moveXOffset; PrintLogo "$1"
moveXOffset; echo "START UP ====================="
# Test if the authentication endpoint is available
TestAPIAvailability
# Authenticate with the FTL server
moveXOffset; printf "%b" "Establishing connection with FTL...\n"
LoginAPI
# Request PADD data
moveXOffset; echo "- Requesting PADD information..."
GetPADDData
# Get our information for the first time
moveXOffset; echo "- Gathering version info."
GetVersionInformation
moveXOffset; echo "- Gathering system info."
GetSystemInformation
moveXOffset; echo "- Gathering CPU/DNS info."
GetPiholeInformation
GetSummaryInformation
moveXOffset; echo "- Gathering network info."
GetNetworkInformation
GetPADDInformation
if [ ! "${DOCKER_VERSION}" = "null" ]; then
moveXOffset; echo " - Docker Tag ${DOCKER_VERSION}"
else
moveXOffset; echo " - Core $CORE_VERSION, Web $WEB_VERSION"
moveXOffset; echo " - FTL $FTL_VERSION, PADD ${padd_data}_version"
fi
else
moveXOffset; printf "%b" "${padd_logo_retro_1}\n"
moveXOffset; printf "%b" "${padd_logo_retro_2}Pi-hole® Ad Detection Display\n"
moveXOffset; printf "%b" "${padd_logo_retro_3}A client for Pi-hole\n\n"
if [ "$1" = "tiny" ]; then
moveXOffset; echo "START UP ============================================"
else
moveXOffset; echo "START UP ==================================================="
fi
# Test if the authentication endpoint is available
TestAPIAvailability
# Authenticate with the FTL server
moveXOffset; printf "%b" "Establishing connection with FTL...\n"
LoginAPI
# Request PADD data
moveXOffset; echo "- Requesting PADD information..."
GetPADDData
# Get our information for the first time
moveXOffset; echo "- Gathering version information..."
GetVersionInformation
moveXOffset; echo "- Gathering system information..."
GetSystemInformation
moveXOffset; echo "- Gathering CPU/DNS information..."
GetSummaryInformation
GetPiholeInformation
moveXOffset; echo "- Gathering network information..."
GetNetworkInformation
GetPADDInformation
if [ ! "${DOCKER_VERSION}" = "null" ]; then
moveXOffset; echo " - Docker Tag ${DOCKER_VERSION}"
else
moveXOffset; echo " - Pi-hole Core $CORE_VERSION"
moveXOffset; echo " - Web Admin $WEB_VERSION"
moveXOffset; echo " - FTL $FTL_VERSION"
moveXOffset; echo " - PADD ${padd_version}"
fi
fi
moveXOffset; printf "%s" "- Starting in "
for i in 3 2 1
do
printf "%s..." "$i"
sleep 1
done
}
NormalPADD() {
# Trap the window resize signal (handle window resize events)
trap 'TerminalResize' WINCH
while true; do
# Generate output that depends on the terminal size
# e.g. Heatmap and barchart
GenerateSizeDependendOutput ${padd_size}
# Sets the message displayed in the "status field" depending on the set flags
SetStatusMessage
# Output everything to the screen
PrintDashboard ${padd_size}
# Sleep for 5 seconds
# sending sleep in the background and wait for it
# this way the TerminalResize trap can kill the sleep
# and force a instant re-draw of the dashboard
# https://stackoverflow.com/questions/32041674/linux-how-to-kill-sleep
#
# saving the PID of the background sleep process to kill it on exit and resize
sleep 5 &
sleepPID=$!
wait $!
# Start getting our information for next round
now=$(date +%s)
# check if a new authentication is required (e.g. after connection to FTL has re-established)
# GetFTLData() will return a 401 if a 401 http status code is returned
# as $password should be set already, PADD should automatically re-authenticate
authenthication_required=$(GetFTLData "info/ftl")
if [ "${authenthication_required}" = 401 ]; then
Authenticate
fi
# Request PADD data
if [ $((now - LastCheckFullInformation)) -ge 30 ]; then
GetPADDData
GetNetworkInformation
GetVersionInformation
LastCheckFullInformation="${now}"
else
# Request only a subset of the data
GetPADDData "?full=false"
fi
# Get uptime, CPU load, temp, etc. every 5 seconds
GetSystemInformation
GetSummaryInformation
GetPiholeInformation
# Get PADD version information every 24hours
if [ $((now - LastCheckPADDInformation)) -ge 86400 ]; then
GetPADDInformation
LastCheckPADDInformation="${now}"
fi
done
}
Update() {
# source version file to check if $DOCKER_VERSION is set
. /etc/pihole/versions
if [ -n "${DOCKER_VERSION}" ]; then
echo "${check_box_info} Update is not supported for Docker"
exit 1
fi
GetPADDInformation
if [ "${padd_out_of_date_flag}" = "true" ]; then
echo "${check_box_info} Updating PADD from ${padd_version} to ${padd_version_latest}"
padd_script_path=$(realpath "$0")
echo "${check_box_info} Downloading PADD update ..."
if curl -sSL https://install.padd.sh -o "${padd_script_path}" > /dev/null 2>&1; then
echo "${check_box_good} ... done. Restart PADD for the update to take effect"
else
echo "${check_box_bad} Cannot download PADD update"
echo "${check_box_info} Go to https://install.padd.sh to download the update manually"
exit 1
fi
else
echo "${check_box_good} You are already using the latest PADD version ${padd_version}"
fi
exit 0
}
DisplayHelp() {
cat << EOM
::: PADD displays stats about your Pi-hole!
:::
:::
::: Options:
::: --xoff [num] set the x-offset, reference is the upper left corner, disables auto-centering
::: --yoff [num] set the y-offset, reference is the upper left corner, disables auto-centering
:::
::: --server <DOMAIN|IP> domain or IP of your Pi-hole (default: localhost)
::: --secret <password> your Pi-hole's password, required to access the API
::: -j, --json output stats as JSON formatted string and exit and exit
::: -u, --update update to the latest version
::: -v, --version show PADD version info
::: -h, --help display this help text
EOM
}
# Called on signals INT QUIT TERM
sig_cleanup() {
# save error code (130 for SIGINT, 143 for SIGTERM, 131 for SIGQUIT)
err=$?
# some shells will call EXIT after the INT signal
# causing EXIT trap to be executed, so we trap EXIT after INT
trap '' EXIT
(exit $err) # execute in a subshell just to pass $? to CleanExit()
CleanExit
}
# Called on signal EXIT, or indirectly on INT QUIT TERM
CleanExit() {
# save the return code of the script
err=$?
# reset trap for all signals to not interrupt clean_tempfiles() on any next signal
trap '' EXIT INT QUIT TERM
# restore terminal settings if they have been changed (e.g. user canceled script while at password input prompt)
if [ "$(stty -g)" != "${stty_orig}" ]; then
stty "${stty_orig}"
fi
# Show the cursor
# https://vt100.net/docs/vt510-rm/DECTCEM.html
printf '\e[?25h'
# if background sleep is running, kill it
# http://mywiki.wooledge.org/SignalTrap#When_is_the_signal_handled.3F
kill "{$sleepPID}" > /dev/null 2>&1
# Delete session from FTL server
DeleteSession
exit $err # exit the script with saved $?
}
TerminalResize(){
# if a terminal resize is trapped, check the new terminal size and
# kill the sleep function within NormalPADD() to trigger redrawing
# of the Dashboard
SizeChecker
# Clear the screen and move cursor to (0,0).
# This mimics the 'clear' command.
# https://vt100.net/docs/vt510-rm/ED.html
# https://vt100.net/docs/vt510-rm/CUP.html
# E3 extension `\e[3J` to clear the scrollback buffer (see 'man clear')
printf '\e[H\e[2J\e[3J'
kill "{$sleepPID}" > /dev/null 2>&1
}
main(){
check_dependencies
# Hiding the cursor.
# https://vt100.net/docs/vt510-rm/DECTCEM.html
printf '\e[?25l'
# Traps for graceful shutdown
# https://unix.stackexchange.com/a/681201
trap CleanExit EXIT
trap sig_cleanup INT QUIT TERM
# Save current terminal settings (needed for later restore after password prompt)
stty_orig=$(stty -g)
SizeChecker
StartupRoutine ${padd_size}
# Run PADD
NormalPADD
}
# Process all options (if present)
while [ "$#" -gt 0 ]; do
case "$1" in
"-j" | "--json" ) xOffset=0; OutputJSON; exit 0;;
"-u" | "--update" ) Update;;
"-h" | "--help" ) DisplayHelp; exit 0;;
"-v" | "--version" ) xOffset=0; ShowVersion; exit 0;;
"--xoff" ) xOffset="$2"; xOffOrig="$2"; shift;;
"--yoff" ) yOffset="$2"; yOffOrig="$2"; shift;;
"--server" ) SERVER="$2"; shift;;
"--secret" ) password="$2"; shift;;
* ) DisplayHelp; exit 1;;
esac
shift
done
main
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