ShellCheck - shell script analysis tool
version: 0.11.0
license: GNU General Public License, version 3
website: https://www.shellcheck.net
Redirect to /tmp/tmp.mpUxlxND9X and /tmp/tmp.g6XvI15VRn
Tree base:
624251d607e8 ("selftests: ovpn: add nftables config dependencies for test-mark")
Now at:
129ff2068bac ("selftests: ovpn: fail notification check on mismatch")
 ====== Checking before the patch ======
Checking tools/testing/selftests/net/ovpn/common.sh - e3a67af2e113ee92dfb9cddd321874ac9c303e36744b0c6b1f1fc22173315989


In common.sh line 26:
	ip netns add peer${1}
                         ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip netns add peer"${1}"


In common.sh line 32:
	if [ ${1} -eq 0 ]; then
             ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	if [ "${1}" -eq 0 ]; then


In common.sh line 34:
		for p in $(seq 1 ${NUM_PEERS}); do
                                 ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		for p in $(seq 1 "${NUM_PEERS}"); do


In common.sh line 35:
			ip link add veth${p} netns peer0 type veth peer name veth${p} netns peer${p}
                                        ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                                 ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                                                ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			ip link add veth"${p}" netns peer0 type veth peer name veth"${p}" netns peer"${p}"


In common.sh line 37:
			ip -n peer0 addr add 10.10.${p}.1/24 dev veth${p}
                                                   ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                     ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			ip -n peer0 addr add 10.10."${p}".1/24 dev veth"${p}"


In common.sh line 38:
			ip -n peer0 addr add fd00:0:0:${p}::1/64 dev veth${p}
                                                      ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                         ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			ip -n peer0 addr add fd00:0:0:"${p}"::1/64 dev veth"${p}"


In common.sh line 39:
			ip -n peer0 link set veth${p} up
                                                 ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			ip -n peer0 link set veth"${p}" up


In common.sh line 41:
			ip -n peer${p} addr add 10.10.${p}.2/24 dev veth${p}
                                  ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                      ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                        ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			ip -n peer"${p}" addr add 10.10."${p}".2/24 dev veth"${p}"


In common.sh line 42:
			ip -n peer${p} addr add fd00:0:0:${p}::2/64 dev veth${p}
                                  ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                         ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                            ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			ip -n peer"${p}" addr add fd00:0:0:"${p}"::2/64 dev veth"${p}"


In common.sh line 43:
			ip -n peer${p} link set veth${p} up
                                  ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                    ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			ip -n peer"${p}" link set veth"${p}" up


In common.sh line 47:
	ip netns exec peer${1} ${OVPN_CLI} new_iface tun${1} $MODE
                          ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                               ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                        ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip netns exec peer"${1}" "${OVPN_CLI}" new_iface tun"${1}" $MODE


In common.sh line 48:
	ip -n peer${1} addr add ${2} dev tun${1}
                  ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                            ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -n peer"${1}" addr add "${2}" dev tun"${1}"


In common.sh line 50:
	if [ ${1} -eq 1 -a -n "${LAN_IP}" ]; then
             ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                        ^-- SC2166 (warning): Prefer [ p ] && [ q ] as [ p -a q ] is not well defined.

Did you mean:
	if [ "${1}" -eq 1 -a -n "${LAN_IP}" ]; then


In common.sh line 51:
		ip -n peer${1} addr add ${LAN_IP} dev tun${1}
                          ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                         ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		ip -n peer"${1}" addr add ${LAN_IP} dev tun"${1}"


In common.sh line 52:
		ip -n peer0 route add ${LAN_IP} via $(echo ${2} |sed -e s'!/.*!!') dev tun0
                                                    ^----------------------------^ SC2046 (warning): Quote this to prevent word splitting.
                                                      ^-------------------------^ SC2001 (style): See if you can use ${variable//search/replace} instead.
                                                           ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		ip -n peer0 route add ${LAN_IP} via $(echo "${2}" |sed -e s'!/.*!!') dev tun0


In common.sh line 55:
		ip -n peer${1} link set mtu ${3} dev tun${1}
                          ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                            ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                        ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		ip -n peer"${1}" link set mtu "${3}" dev tun"${1}"


In common.sh line 57:
	ip -n peer${1} link set tun${1} up
                  ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                   ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -n peer"${1}" link set tun"${1}" up


In common.sh line 81:
	PYTHONUNBUFFERED=1 ip netns exec peer${p} ${YNL_CLI} --family ovpn \
                                             ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                  ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	PYTHONUNBUFFERED=1 ip netns exec peer"${p}" "${YNL_CLI}" --family ovpn \


In common.sh line 82:
		--subscribe peers --output-json --duration 40 > ${file} &
                                                                ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		--subscribe peers --output-json --duration 40 > "${file}" &


In common.sh line 92:
		if [ ${1} -eq 0 ]; then
                     ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		if [ "${1}" -eq 0 ]; then


In common.sh line 93:
			ip netns exec peer0 ${OVPN_CLI} new_multi_peer tun0 1 \
                                            ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			ip netns exec peer0 "${OVPN_CLI}" new_multi_peer tun0 1 \


In common.sh line 94:
				${M_ID} ${UDP_PEERS_FILE}
                                ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                        ^---------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
				"${M_ID}" "${UDP_PEERS_FILE}"


In common.sh line 96:
			for p in $(seq 1 ${NUM_PEERS}); do
                                         ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			for p in $(seq 1 "${NUM_PEERS}"); do


In common.sh line 97:
				ip netns exec peer0 ${OVPN_CLI} new_key tun0 ${p} 1 0 ${ALG} 0 \
                                                    ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                             ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                                      ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
				ip netns exec peer0 "${OVPN_CLI}" new_key tun0 "${p}" 1 0 "${ALG}" 0 \


In common.sh line 106:
					${UDP_PEERS_FILE})
                                        ^---------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
					"${UDP_PEERS_FILE}")


In common.sh line 109:
			RADDR=$(awk "NR == ${1} {print \$3}" ${UDP_PEERS_FILE})
                                                             ^---------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			RADDR=$(awk "NR == ${1} {print \$3}" "${UDP_PEERS_FILE}")


In common.sh line 110:
			RPORT=$(awk "NR == ${1} {print \$4}" ${UDP_PEERS_FILE})
                                                             ^---------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			RPORT=$(awk "NR == ${1} {print \$4}" "${UDP_PEERS_FILE}")


In common.sh line 111:
			LPORT=$(awk "NR == ${1} {print \$6}" ${UDP_PEERS_FILE})
                                                             ^---------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			LPORT=$(awk "NR == ${1} {print \$6}" "${UDP_PEERS_FILE}")


In common.sh line 112:
			ip netns exec peer${1} ${OVPN_CLI} new_peer tun${1} \
                                          ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                               ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                       ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			ip netns exec peer"${1}" "${OVPN_CLI}" new_peer tun"${1}" \


In common.sh line 113:
				${PEER_ID} ${TX_ID} ${LPORT} ${RADDR} ${RPORT}
                                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                           ^------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                    ^------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                             ^------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                      ^------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
				"${PEER_ID}" "${TX_ID}" "${LPORT}" "${RADDR}" "${RPORT}"


In common.sh line 114:
			ip netns exec peer${1} ${OVPN_CLI} new_key tun${1} \
                                          ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                               ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                      ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			ip netns exec peer"${1}" "${OVPN_CLI}" new_key tun"${1}" \


In common.sh line 115:
				${PEER_ID} 1 0 ${ALG} 1 data64.key
                                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                               ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
				"${PEER_ID}" 1 0 "${ALG}" 1 data64.key


In common.sh line 118:
		if [ ${1} -eq 0 ]; then
                     ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		if [ "${1}" -eq 0 ]; then


In common.sh line 119:
			(ip netns exec peer0 ${OVPN_CLI} listen tun0 1 ${M_ID} \
                                             ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                       ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			(ip netns exec peer0 "${OVPN_CLI}" listen tun0 1 "${M_ID}" \


In common.sh line 120:
				${TCP_PEERS_FILE} && {
                                ^---------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
				"${TCP_PEERS_FILE}" && {


In common.sh line 121:
				for p in $(seq 1 ${NUM_PEERS}); do
                                                 ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
				for p in $(seq 1 "${NUM_PEERS}"); do


In common.sh line 122:
					ip netns exec peer0 ${OVPN_CLI} new_key tun0 ${p} 1 0 \
                                                            ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                                     ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
					ip netns exec peer0 "${OVPN_CLI}" new_key tun0 "${p}" 1 0 \


In common.sh line 123:
						${ALG} 0 data64.key
                                                ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
						"${ALG}" 0 data64.key


In common.sh line 133:
					${TCP_PEERS_FILE})
                                        ^---------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
					"${TCP_PEERS_FILE}")


In common.sh line 136:
			ip netns exec peer${1} ${OVPN_CLI} connect tun${1} \
                                          ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                               ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                      ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			ip netns exec peer"${1}" "${OVPN_CLI}" connect tun"${1}" \


In common.sh line 137:
				${PEER_ID} ${TX_ID} 10.10.${1}.1 1 data64.key
                                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                           ^------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                          ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
				"${PEER_ID}" "${TX_ID}" 10.10."${1}".1 1 data64.key


In common.sh line 150:
		kill -TERM ${listener_pids[$1]} || true
                           ^------------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		kill -TERM "${listener_pids[$1]}" || true


In common.sh line 151:
		wait ${listener_pids[$1]} || true
                     ^------------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		wait "${listener_pids[$1]}" || true


In common.sh line 152:
		printf "Checking notifications for peer ${1}... "
                       ^-- SC2059 (info): Don't use variables in the printf format string. Use printf '..%s..' "$foo".


In common.sh line 153:
		if diff <(jq -s "${JQ_FILTER}" ${expected}) \
                                               ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		if diff <(jq -s "${JQ_FILTER}" "${expected}") \


In common.sh line 154:
			<(jq -s "${JQ_FILTER}" ${received}); then
                                               ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			<(jq -s "${JQ_FILTER}" "${received}"); then


In common.sh line 158:
		rm -f ${received} || true
                      ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		rm -f "${received}" || true


In common.sh line 164:
	killall $(basename ${OVPN_CLI}) 2>/dev/null || true
                ^---------------------^ SC2046 (warning): Quote this to prevent word splitting.
                           ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	killall $(basename "${OVPN_CLI}") 2>/dev/null || true


In common.sh line 168:
		ip -n peer${p} link set tun${p} down 2>/dev/null || true
                          ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                           ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		ip -n peer"${p}" link set tun"${p}" down 2>/dev/null || true


In common.sh line 169:
		ip netns exec peer${p} ${OVPN_CLI} del_iface tun${p} 2>/dev/null || true
                                  ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                       ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		ip netns exec peer"${p}" "${OVPN_CLI}" del_iface tun"${p}" 2>/dev/null || true


In common.sh line 172:
		ip -n peer0 link del veth${p} 2>/dev/null || true
                                         ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		ip -n peer0 link del veth"${p}" 2>/dev/null || true


In common.sh line 175:
		ip netns del peer${p} 2>/dev/null || true
                                 ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		ip netns del peer"${p}" 2>/dev/null || true


In common.sh line 180:
	NUM_PEERS=${NUM_PEERS:-$(wc -l ${UDP_PEERS_FILE} | awk '{print $1}')}
                                       ^---------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	NUM_PEERS=${NUM_PEERS:-$(wc -l "${UDP_PEERS_FILE}" | awk '{print $1}')}


In common.sh line 182:
	NUM_PEERS=${NUM_PEERS:-$(wc -l ${TCP_PEERS_FILE} | awk '{print $1}')}
                                       ^---------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	NUM_PEERS=${NUM_PEERS:-$(wc -l "${TCP_PEERS_FILE}" | awk '{print $1}')}

For more information:
  https://www.shellcheck.net/wiki/SC2046 -- Quote this to prevent word splitt...
  https://www.shellcheck.net/wiki/SC2166 -- Prefer [ p ] && [ q ] as [ p -a q...
  https://www.shellcheck.net/wiki/SC2059 -- Don't use variables in the printf...

 ====== Checking the tree with the patch ======
Checking tools/testing/selftests/net/ovpn/common.sh - e3a67af2e113ee92dfb9cddd321874ac9c303e36744b0c6b1f1fc22173315989


In common.sh line 26:
	ip netns add peer${1}
                         ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip netns add peer"${1}"


In common.sh line 32:
	if [ ${1} -eq 0 ]; then
             ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	if [ "${1}" -eq 0 ]; then


In common.sh line 34:
		for p in $(seq 1 ${NUM_PEERS}); do
                                 ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		for p in $(seq 1 "${NUM_PEERS}"); do


In common.sh line 35:
			ip link add veth${p} netns peer0 type veth peer name veth${p} netns peer${p}
                                        ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                                 ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                                                ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			ip link add veth"${p}" netns peer0 type veth peer name veth"${p}" netns peer"${p}"


In common.sh line 37:
			ip -n peer0 addr add 10.10.${p}.1/24 dev veth${p}
                                                   ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                     ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			ip -n peer0 addr add 10.10."${p}".1/24 dev veth"${p}"


In common.sh line 38:
			ip -n peer0 addr add fd00:0:0:${p}::1/64 dev veth${p}
                                                      ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                         ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			ip -n peer0 addr add fd00:0:0:"${p}"::1/64 dev veth"${p}"


In common.sh line 39:
			ip -n peer0 link set veth${p} up
                                                 ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			ip -n peer0 link set veth"${p}" up


In common.sh line 41:
			ip -n peer${p} addr add 10.10.${p}.2/24 dev veth${p}
                                  ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                      ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                        ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			ip -n peer"${p}" addr add 10.10."${p}".2/24 dev veth"${p}"


In common.sh line 42:
			ip -n peer${p} addr add fd00:0:0:${p}::2/64 dev veth${p}
                                  ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                         ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                            ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			ip -n peer"${p}" addr add fd00:0:0:"${p}"::2/64 dev veth"${p}"


In common.sh line 43:
			ip -n peer${p} link set veth${p} up
                                  ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                    ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			ip -n peer"${p}" link set veth"${p}" up


In common.sh line 47:
	ip netns exec peer${1} ${OVPN_CLI} new_iface tun${1} $MODE
                          ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                               ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                        ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip netns exec peer"${1}" "${OVPN_CLI}" new_iface tun"${1}" $MODE


In common.sh line 48:
	ip -n peer${1} addr add ${2} dev tun${1}
                  ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                            ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -n peer"${1}" addr add "${2}" dev tun"${1}"


In common.sh line 50:
	if [ ${1} -eq 1 -a -n "${LAN_IP}" ]; then
             ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                        ^-- SC2166 (warning): Prefer [ p ] && [ q ] as [ p -a q ] is not well defined.

Did you mean:
	if [ "${1}" -eq 1 -a -n "${LAN_IP}" ]; then


In common.sh line 51:
		ip -n peer${1} addr add ${LAN_IP} dev tun${1}
                          ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                         ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		ip -n peer"${1}" addr add ${LAN_IP} dev tun"${1}"


In common.sh line 52:
		ip -n peer0 route add ${LAN_IP} via $(echo ${2} |sed -e s'!/.*!!') dev tun0
                                                    ^----------------------------^ SC2046 (warning): Quote this to prevent word splitting.
                                                      ^-------------------------^ SC2001 (style): See if you can use ${variable//search/replace} instead.
                                                           ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		ip -n peer0 route add ${LAN_IP} via $(echo "${2}" |sed -e s'!/.*!!') dev tun0


In common.sh line 55:
		ip -n peer${1} link set mtu ${3} dev tun${1}
                          ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                            ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                        ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		ip -n peer"${1}" link set mtu "${3}" dev tun"${1}"


In common.sh line 57:
	ip -n peer${1} link set tun${1} up
                  ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                   ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	ip -n peer"${1}" link set tun"${1}" up


In common.sh line 81:
	PYTHONUNBUFFERED=1 ip netns exec peer${p} ${YNL_CLI} --family ovpn \
                                             ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                  ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	PYTHONUNBUFFERED=1 ip netns exec peer"${p}" "${YNL_CLI}" --family ovpn \


In common.sh line 82:
		--subscribe peers --output-json --duration 40 > ${file} &
                                                                ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		--subscribe peers --output-json --duration 40 > "${file}" &


In common.sh line 92:
		if [ ${1} -eq 0 ]; then
                     ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		if [ "${1}" -eq 0 ]; then


In common.sh line 93:
			ip netns exec peer0 ${OVPN_CLI} new_multi_peer tun0 1 \
                                            ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			ip netns exec peer0 "${OVPN_CLI}" new_multi_peer tun0 1 \


In common.sh line 94:
				${M_ID} ${UDP_PEERS_FILE}
                                ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                        ^---------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
				"${M_ID}" "${UDP_PEERS_FILE}"


In common.sh line 96:
			for p in $(seq 1 ${NUM_PEERS}); do
                                         ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			for p in $(seq 1 "${NUM_PEERS}"); do


In common.sh line 97:
				ip netns exec peer0 ${OVPN_CLI} new_key tun0 ${p} 1 0 ${ALG} 0 \
                                                    ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                             ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                                      ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
				ip netns exec peer0 "${OVPN_CLI}" new_key tun0 "${p}" 1 0 "${ALG}" 0 \


In common.sh line 106:
					${UDP_PEERS_FILE})
                                        ^---------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
					"${UDP_PEERS_FILE}")


In common.sh line 109:
			RADDR=$(awk "NR == ${1} {print \$3}" ${UDP_PEERS_FILE})
                                                             ^---------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			RADDR=$(awk "NR == ${1} {print \$3}" "${UDP_PEERS_FILE}")


In common.sh line 110:
			RPORT=$(awk "NR == ${1} {print \$4}" ${UDP_PEERS_FILE})
                                                             ^---------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			RPORT=$(awk "NR == ${1} {print \$4}" "${UDP_PEERS_FILE}")


In common.sh line 111:
			LPORT=$(awk "NR == ${1} {print \$6}" ${UDP_PEERS_FILE})
                                                             ^---------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			LPORT=$(awk "NR == ${1} {print \$6}" "${UDP_PEERS_FILE}")


In common.sh line 112:
			ip netns exec peer${1} ${OVPN_CLI} new_peer tun${1} \
                                          ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                               ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                       ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			ip netns exec peer"${1}" "${OVPN_CLI}" new_peer tun"${1}" \


In common.sh line 113:
				${PEER_ID} ${TX_ID} ${LPORT} ${RADDR} ${RPORT}
                                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                           ^------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                    ^------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                             ^------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                      ^------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
				"${PEER_ID}" "${TX_ID}" "${LPORT}" "${RADDR}" "${RPORT}"


In common.sh line 114:
			ip netns exec peer${1} ${OVPN_CLI} new_key tun${1} \
                                          ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                               ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                      ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			ip netns exec peer"${1}" "${OVPN_CLI}" new_key tun"${1}" \


In common.sh line 115:
				${PEER_ID} 1 0 ${ALG} 1 data64.key
                                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                               ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
				"${PEER_ID}" 1 0 "${ALG}" 1 data64.key


In common.sh line 118:
		if [ ${1} -eq 0 ]; then
                     ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		if [ "${1}" -eq 0 ]; then


In common.sh line 119:
			(ip netns exec peer0 ${OVPN_CLI} listen tun0 1 ${M_ID} \
                                             ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                       ^-----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			(ip netns exec peer0 "${OVPN_CLI}" listen tun0 1 "${M_ID}" \


In common.sh line 120:
				${TCP_PEERS_FILE} && {
                                ^---------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
				"${TCP_PEERS_FILE}" && {


In common.sh line 121:
				for p in $(seq 1 ${NUM_PEERS}); do
                                                 ^----------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
				for p in $(seq 1 "${NUM_PEERS}"); do


In common.sh line 122:
					ip netns exec peer0 ${OVPN_CLI} new_key tun0 ${p} 1 0 \
                                                            ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                                     ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
					ip netns exec peer0 "${OVPN_CLI}" new_key tun0 "${p}" 1 0 \


In common.sh line 123:
						${ALG} 0 data64.key
                                                ^----^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
						"${ALG}" 0 data64.key


In common.sh line 133:
					${TCP_PEERS_FILE})
                                        ^---------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
					"${TCP_PEERS_FILE}")


In common.sh line 136:
			ip netns exec peer${1} ${OVPN_CLI} connect tun${1} \
                                          ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                               ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                      ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			ip netns exec peer"${1}" "${OVPN_CLI}" connect tun"${1}" \


In common.sh line 137:
				${PEER_ID} ${TX_ID} 10.10.${1}.1 1 data64.key
                                ^--------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                           ^------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                          ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
				"${PEER_ID}" "${TX_ID}" 10.10."${1}".1 1 data64.key


In common.sh line 154:
		kill -TERM ${listener_pids[$1]} || true
                           ^------------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		kill -TERM "${listener_pids[$1]}" || true


In common.sh line 155:
		wait ${listener_pids[$1]} || true
                     ^------------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		wait "${listener_pids[$1]}" || true


In common.sh line 156:
		printf "Checking notifications for peer ${1}... "
                       ^-- SC2059 (info): Don't use variables in the printf format string. Use printf '..%s..' "$foo".


In common.sh line 157:
		if diff <(jq -s "${JQ_FILTER}" ${expected}) \
                                               ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		if diff <(jq -s "${JQ_FILTER}" "${expected}") \


In common.sh line 158:
			<(jq -s "${JQ_FILTER}" ${received}) \
                                               ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
			<(jq -s "${JQ_FILTER}" "${received}") \


In common.sh line 168:
		rm -f ${received} || true
                      ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		rm -f "${received}" || true


In common.sh line 176:
	killall $(basename ${OVPN_CLI}) 2>/dev/null || true
                ^---------------------^ SC2046 (warning): Quote this to prevent word splitting.
                           ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	killall $(basename "${OVPN_CLI}") 2>/dev/null || true


In common.sh line 180:
		ip -n peer${p} link set tun${p} down 2>/dev/null || true
                          ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                           ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		ip -n peer"${p}" link set tun"${p}" down 2>/dev/null || true


In common.sh line 181:
		ip netns exec peer${p} ${OVPN_CLI} del_iface tun${p} 2>/dev/null || true
                                  ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                       ^---------^ SC2086 (info): Double quote to prevent globbing and word splitting.
                                                                ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		ip netns exec peer"${p}" "${OVPN_CLI}" del_iface tun"${p}" 2>/dev/null || true


In common.sh line 184:
		ip -n peer0 link del veth${p} 2>/dev/null || true
                                         ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		ip -n peer0 link del veth"${p}" 2>/dev/null || true


In common.sh line 187:
		ip netns del peer${p} 2>/dev/null || true
                                 ^--^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
		ip netns del peer"${p}" 2>/dev/null || true


In common.sh line 192:
	NUM_PEERS=${NUM_PEERS:-$(wc -l ${UDP_PEERS_FILE} | awk '{print $1}')}
                                       ^---------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	NUM_PEERS=${NUM_PEERS:-$(wc -l "${UDP_PEERS_FILE}" | awk '{print $1}')}


In common.sh line 194:
	NUM_PEERS=${NUM_PEERS:-$(wc -l ${TCP_PEERS_FILE} | awk '{print $1}')}
                                       ^---------------^ SC2086 (info): Double quote to prevent globbing and word splitting.

Did you mean:
	NUM_PEERS=${NUM_PEERS:-$(wc -l "${TCP_PEERS_FILE}" | awk '{print $1}')}

For more information:
  https://www.shellcheck.net/wiki/SC2046 -- Quote this to prevent word splitt...
  https://www.shellcheck.net/wiki/SC2166 -- Prefer [ p ] && [ q ] as [ p -a q...
  https://www.shellcheck.net/wiki/SC2059 -- Don't use variables in the printf...