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Merge pull request #1252 from pi-hole/tweak/debug_IP
Debug IP stack fixes
This commit is contained in:
Adam Warner
GitHub
commit
a001443ad7
1 changed files with 54 additions and 57 deletions
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@ -26,7 +26,6 @@ ADLISTFILE="/etc/pihole/adlists.list"
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PIHOLELOG="/var/log/pihole.log"
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WHITELISTMATCHES="/tmp/whitelistmatches.list"
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IPV6_READY=false
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TIMEOUT=60
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# Header info and introduction
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cat << EOM
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@ -180,72 +179,69 @@ processor_check() {
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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 && IPV6_READY=true
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if [[ $IPV6_ADDRESS ]]; then
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ls /proc/net/if_inet6 &>/dev/null
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return 0
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else
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return 1
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fi
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}
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ip_check() {
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header_write "IP Address Information"
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# Get the current interface for Internet traffic
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# Check if IPv6 enabled
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local IPv6_interface
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local IPv4_interface
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ipv6_check && IPv6_interface=${piholeInterface:-$(ip -6 r | grep default | cut -d ' ' -f 5)}
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# If declared in setupVars.conf use it, otherwise defer to default
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# http://stackoverflow.com/questions/2013547/assigning-default-values-to-shell-variables-with-a-single-command-in-bash
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IPv4_interface=${piholeInterface:-$(ip r | grep default | cut -d ' ' -f 5)}
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if [[ IPV6_READY ]]; then
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local IPv6_addr_list="$(ip a | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "inet6") print $(i+1) }')" \
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&& (log_write "${IPv6_addr_list}" && echo "::: IPv6 addresses located") \
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|| log_echo "No IPv6 addresses found."
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local IPv6_def_gateway=$(ip -6 r | grep default | cut -d ' ' -f 3)
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if [[ $? = 0 ]] && [[ -n ${IPv6_def_gateway} ]]; then
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echo -n "::: Pinging default IPv6 gateway: "
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local IPv6_def_gateway_check="$(ping6 -q -W 3 -c 3 -n "${IPv6_def_gateway}" -I "${IPv6_interface}"| tail -n3)" \
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&& echo "Gateway Responded." \
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|| echo "Gateway did not respond."
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block_parse "${IPv6_def_gateway_check}"
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echo -n "::: Pinging Internet via IPv6: "
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local IPv6_inet_check=$(ping6 -q -W 3 -c 3 -n 2001:4860:4860::8888 -I "${IPv6_interface}"| tail -n3) \
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&& echo "Query responded." \
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|| echo "Query did not respond."
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block_parse "${IPv6_inet_check}"
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else
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log_echo="No IPv6 Gateway Detected"
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fi
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local IPv4_addr_list="$(ip a | awk -F " " '{ for(i=1;i<=NF;i++) if ($i == "inet") print $(i+1) }')" \
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&& (block_parse "${IPv4_addr_list}" && echo "::: IPv4 addresses located")\
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|| log_echo "No IPv4 addresses found."
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local IPv4_def_gateway=$(ip r | grep default | cut -d ' ' -f 3)
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if [[ $? = 0 ]]; then
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echo -n "::: Pinging default IPv4 gateway: "
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local IPv4_def_gateway_check="$(ping -q -w 3 -c 3 -n "${IPv4_def_gateway}" -I "${IPv4_interface}" | tail -n3)" \
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&& echo "Gateway responded." \
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|| echo "Gateway did not respond."
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block_parse "${IPv4_def_gateway_check}"
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echo -n "::: Pinging Internet via IPv4: "
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local IPv4_inet_check="$(ping -q -w 5 -c 3 -n 8.8.8.8 -I "${IPv4_interface}" | tail -n3)" \
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&& echo "Query responded." \
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|| echo "Query did not respond."
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block_parse "${IPv4_inet_check}"
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fi
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local protocol=${1}
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local gravity=${2}
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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 ${PIHOLE_INTERFACE}"
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return 1
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fi
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}
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ip_ping_check() {
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local protocol=${1}
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local cmd
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if [[ ${protocol} == "6" ]]; then
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cmd="ping6"
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g_addr="2001:4860:4860::8888"
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else
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cmd="ping"
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g_addr="8.8.8.8"
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fi
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local ip_def_gateway=$(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 ${PIHOLE_INTERFACE} | tail -n 3)"; then
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echo "Gateway did not respond."
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return 1
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else
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echo "Gateway responded."
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log_write "${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 ${PIHOLE_INTERFACE} | tail -n 3)"; then
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echo "Query did not respond."
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return 1
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else
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echo "Query responded."
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log_write "${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
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return 0
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}
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port_check() {
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local lsof_value
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@ -356,7 +352,8 @@ distro_check || echo "Distro Check soft fail"
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# Gather processor type
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processor_check || echo "Processor Check soft fail"
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ip_check
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ip_check 6 ${IPV6_ADDRESS}
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ip_check 4 ${IPV4_ADDRESS}
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daemon_check lighttpd http
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daemon_check dnsmasq domain
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