Replace superseded netstat command

* Make colfile readonly, and use path of PI_HOLE_SCRIPT_DIR
* Rename piholeStatus function to statusFunc for function name consistency
* Replace superseded netstat command with nc
* Perform addn-hosts check using a single grep subshell
This commit is contained in:
WaLLy3K 2017-08-31 17:39:41 +10:00 committed by GitHub
parent feb412b02a
commit 3125d24ded

71
pihole
View file

@ -1,4 +1,5 @@
#!/bin/bash #!/bin/bash
# Pi-hole: A black hole for Internet advertisements # Pi-hole: A black hole for Internet advertisements
# (c) 2017 Pi-hole, LLC (https://pi-hole.net) # (c) 2017 Pi-hole, LLC (https://pi-hole.net)
# Network-wide ad blocking via your own hardware. # Network-wide ad blocking via your own hardware.
@ -8,11 +9,11 @@
# This file is copyright under the latest version of the EUPL. # This file is copyright under the latest version of the EUPL.
# Please see LICENSE file for your rights under this license. # Please see LICENSE file for your rights under this license.
colfile="/opt/pihole/COL_TABLE"
source ${colfile}
readonly PI_HOLE_SCRIPT_DIR="/opt/pihole" readonly PI_HOLE_SCRIPT_DIR="/opt/pihole"
readonly wildcardlist="/etc/dnsmasq.d/03-pihole-wildcard.conf" readonly wildcardlist="/etc/dnsmasq.d/03-pihole-wildcard.conf"
readonly colfile="${PI_HOLE_SCRIPT_DIR}/COL_TABLE"
source ${colfile}
# Must be root to use this tool # Must be root to use this tool
if [[ ! $EUID -eq 0 ]];then if [[ ! $EUID -eq 0 ]];then
@ -481,41 +482,41 @@ Options:
echo -e "${OVER} ${TICK} ${str}" echo -e "${OVER} ${TICK} ${str}"
} }
piholeStatus() { statusFunc() {
if [[ "$(netstat -plnt | grep -c ':53 ')" -gt "0" ]]; then local addnConfigs
if [[ "${1}" != "web" ]]; then
echo -e " ${TICK} DNS service is running" # Determine if service is running on port 53
fi if nc -z 127.0.0.1 53; then
[[ "${1}" != "web" ]] && echo -e " ${TICK} DNS service is running"
else else
if [[ "${1}" == "web" ]]; then case "${1}" in
echo "-1"; "web") echo "-1";;
else *) echo -e " ${CROSS} DNS service is NOT running";;
echo -e " ${CROSS} DNS service is NOT running" esac
fi return 0
return
fi fi
if [[ "$(grep -i "^#addn-hosts=/" /etc/dnsmasq.d/01-pihole.conf)" ]]; then # Determine if any of Pi-hole's addn-hosts configs are commented out
# List is commented out addnConfigs=$(grep -i "addn-hosts=/" /etc/dnsmasq.d/01-pihole.conf)
if [[ "${1}" == "web" ]]; then
echo 0; if [[ "${addnConfigs}" =~ "#" ]]; then
else # A config is commented out
echo -e " ${CROSS} Pi-hole blocking is Disabled"; case "${1}" in
fi "web") echo 0;;
elif [[ "$(grep -i "^addn-hosts=/" /etc/dnsmasq.d/01-pihole.conf)" ]]; then *) echo -e " ${CROSS} Pi-hole blocking is Disabled";;
# List set esac
if [[ "${1}" == "web" ]]; then elif [[ -n "${addnConfigs}" ]]; then
echo 1; # Configs are set
else case "${1}" in
echo -e " ${TICK} Pi-hole blocking is Enabled"; "web") echo 1;;
fi *) echo -e " ${TICK} Pi-hole blocking is Enabled";;
esac
else else
# Addn-host not found # No configs were found
if [[ "${1}" == "web" ]]; then case "${1}" in
echo 99 "web") echo 99;;
else *) echo -e " ${INFO} No hosts file linked to dnsmasq, adding it in enabled state";;
echo -e " ${INFO} No hosts file linked to dnsmasq, adding it in enabled state" esac
fi
# Add addn-host= to dnsmasq # Add addn-host= to dnsmasq
echo "addn-hosts=/etc/pihole/gravity.list" >> /etc/dnsmasq.d/01-pihole.conf echo "addn-hosts=/etc/pihole/gravity.list" >> /etc/dnsmasq.d/01-pihole.conf
restartDNS restartDNS
@ -651,7 +652,7 @@ case "${1}" in
"uninstall" ) uninstallFunc;; "uninstall" ) uninstallFunc;;
"enable" ) piholeEnable 1;; "enable" ) piholeEnable 1;;
"disable" ) piholeEnable 0 "$2";; "disable" ) piholeEnable 0 "$2";;
"status" ) piholeStatus "$2";; "status" ) statusFunc "$2";;
"restartdns" ) restartDNS;; "restartdns" ) restartDNS;;
"-a" | "admin" ) webpageFunc "$@";; "-a" | "admin" ) webpageFunc "$@";;
"-t" | "tail" ) tailFunc;; "-t" | "tail" ) tailFunc;;