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Merge pull request #1252 from pi-hole/tweak/debug_IP

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Debug IP stack fixes
This commit is contained in:
Adam Warner 2017-02-18 19:33:54 +00:00 committed by GitHub
commit a001443ad7
1 changed files with 54 additions and 57 deletions
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103
advanced/Scripts/piholeDebug.sh
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@ -26,7 +26,6 @@ ADLISTFILE="/etc/pihole/adlists.list"
PIHOLELOG="/var/log/pihole.log" PIHOLELOG="/var/log/pihole.log"
WHITELISTMATCHES="/tmp/whitelistmatches.list" WHITELISTMATCHES="/tmp/whitelistmatches.list"
IPV6_READY=false
TIMEOUT=60 TIMEOUT=60
# Header info and introduction # Header info and introduction
cat << EOM cat << EOM
@ -180,70 +179,67 @@ processor_check() {
ipv6_check() { ipv6_check() {
# Check if system is IPv6 enabled, for use in other functions # Check if system is IPv6 enabled, for use in other functions
if [[ $IPv6_address ]]; then if [[ $IPV6_ADDRESS ]]; then
ls /proc/net/if_inet6 &>/dev/null && IPV6_READY=true ls /proc/net/if_inet6 &>/dev/null
return 0 return 0
else else
return 1 return 1
fi fi
} }
ip_check() { ip_check() {
header_write "IP Address Information" local protocol=${1}
# Get the current interface for Internet traffic local gravity=${2}
# Check if IPv6 enabled local ip_addr_list="$(ip -${protocol} addr show dev ${PIHOLE_INTERFACE} | awk -F ' ' '{ for(i=1;i<=NF;i++) if ($i ~ '/^inet/') print $(i+1) }')"
local IPv6_interface if [[ -n ${ip_addr_list} ]]; then
local IPv4_interface log_write "IPv${protocol} on ${PIHOLE_INTERFACE}"
ipv6_check && IPv6_interface=${piholeInterface:-$(ip -6 r | grep default | cut -d ' ' -f 5)} log_write "Gravity configured for: ${2:-NOT CONFIGURED}"
# If declared in setupVars.conf use it, otherwise defer to default log_write "----"
# http://stackoverflow.com/questions/2013547/assigning-default-values-to-shell-variables-with-a-single-command-in-bash log_write "${ip_addr_list}"
IPv4_interface=${piholeInterface:-$(ip r | grep default | cut -d ' ' -f 5)} echo "::: IPv${protocol} addresses located on ${PIHOLE_INTERFACE}"
ip_ping_check ${protocol}
return $(( 0 + $? ))
if [[ IPV6_READY ]]; then
local IPv6_addr_list="$(ip a | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "inet6") print $(i+1) }')" \
&& (log_write "${IPv6_addr_list}" && echo "::: IPv6 addresses located") \
|| log_echo "No IPv6 addresses found."
local IPv6_def_gateway=$(ip -6 r | grep default | cut -d ' ' -f 3)
if [[ $? = 0 ]] && [[ -n ${IPv6_def_gateway} ]]; then
echo -n "::: Pinging default IPv6 gateway: "
local IPv6_def_gateway_check="$(ping6 -q -W 3 -c 3 -n "${IPv6_def_gateway}" -I "${IPv6_interface}"| tail -n3)" \
&& echo "Gateway Responded." \
|| echo "Gateway did not respond."
block_parse "${IPv6_def_gateway_check}"
echo -n "::: Pinging Internet via IPv6: "
local IPv6_inet_check=$(ping6 -q -W 3 -c 3 -n 2001:4860:4860::8888 -I "${IPv6_interface}"| tail -n3) \
&& echo "Query responded." \
|| echo "Query did not respond."
block_parse "${IPv6_inet_check}"
else else
log_echo="No IPv6 Gateway Detected" log_echo "No IPv${protocol} found on ${PIHOLE_INTERFACE}"
return 1
fi
}
ip_ping_check() {
local protocol=${1}
local cmd
if [[ ${protocol} == "6" ]]; then
cmd="ping6"
g_addr="2001:4860:4860::8888"
else
cmd="ping"
g_addr="8.8.8.8"
fi fi
local IPv4_addr_list="$(ip a | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "inet") print $(i+1) }')" \ local ip_def_gateway=$(ip -${protocol} route | grep default | cut -d ' ' -f 3)
&& (block_parse "${IPv4_addr_list}" && echo "::: IPv4 addresses located")\ if [[ -n ${ip_def_gateway} ]]; then
|| log_echo "No IPv4 addresses found." echo -n "::: Pinging default IPv${protocol} gateway: "
if ! ping_gateway="$(${cmd} -q -W 3 -c 3 -n ${ip_def_gateway} -I ${PIHOLE_INTERFACE} | tail -n 3)"; then
local IPv4_def_gateway=$(ip r | grep default | cut -d ' ' -f 3) echo "Gateway did not respond."
if [[ $? = 0 ]]; then return 1
echo -n "::: Pinging default IPv4 gateway: " else
local IPv4_def_gateway_check="$(ping -q -w 3 -c 3 -n "${IPv4_def_gateway}" -I "${IPv4_interface}" | tail -n3)" \ echo "Gateway responded."
&& echo "Gateway responded." \ log_write "${ping_gateway}"
|| echo "Gateway did not respond."
block_parse "${IPv4_def_gateway_check}"
echo -n "::: Pinging Internet via IPv4: "
local IPv4_inet_check="$(ping -q -w 5 -c 3 -n 8.8.8.8 -I "${IPv4_interface}" | tail -n3)" \
&& echo "Query responded." \
|| echo "Query did not respond."
block_parse "${IPv4_inet_check}"
fi fi
echo -n "::: Pinging Internet via IPv${protocol}: "
if ! ping_inet="$(${cmd} -q -W 3 -c 3 -n ${g_addr} -I ${PIHOLE_INTERFACE} | tail -n 3)"; then
echo "Query did not respond."
return 1
else
echo "Query responded."
log_write "${ping_inet}"
fi fi
else
log_echo " No gateway detected."
fi
return 0
} }
port_check() { port_check() {
@ -356,7 +352,8 @@ distro_check || echo "Distro Check soft fail"
# Gather processor type # Gather processor type
processor_check || echo "Processor Check soft fail" processor_check || echo "Processor Check soft fail"
ip_check ip_check 6 ${IPV6_ADDRESS}
ip_check 4 ${IPV4_ADDRESS}
daemon_check lighttpd http daemon_check lighttpd http
daemon_check dnsmasq domain daemon_check dnsmasq domain