testing

piawg.sh

@@ -10,6 +10,11 @@ err() {
 	exit 1
 }
 
+info() {
+	[ "$PIAWG_VERBOSE" -eq 1 ] &&
+	printf '[INFO]: %s\n' "$1" >&2
+}
+
 check_http() {
 	case $1 in
 	2[0-9][0-9]) return 0 ;;
@@ -84,6 +89,7 @@ pia_addkey() {
 	local peer_ip
 	local updates
 	# Add pubkey via PIA API and get connection details
+	info "Adding '$piawg_pubkey' to PIA server $server_cn"
 	if ! response=$(
 		curl -sS -G --connect-timeout 5 \
 			--max-time 20 --retry 5 --retry-delay 2 \
@@ -116,6 +122,7 @@ pia_addkey() {
 	if [ "$updates" != '{}' ]; then
 		updates="$(printf '%s' "$updates" |
 			jq --arg s "$piawg_uuid" '.servers = $s')"
+		info "Updating connection details of $OPN_IF peer $OPN_PEER"
 		if [ "$(opn_curl "wireguard/client/setClient/$piawgsrv_uuid" \
 			-d "$(printf '%s' "$updates" | jq '{client: .}')" |
 			jq -r '.result')" != "saved" ]; then
@@ -124,6 +131,7 @@ pia_addkey() {
 	fi
 	peer_ip="$(printf '%s' "$response" | jq -r '.peer_ip')"
 	if [ "$peer_ip" != "$piawg_tunaddr" ]; then
+		info "Updating connection details of $OPN_IF instance"
 		if [ "$(opn_curl "wireguard/server/setServer/$piawg_uuid" \
 			-d "$(jq -n --arg ip "$peer_ip/32" \
 				'{server: {tunneladdress: $ip}}')" |
@@ -131,16 +139,37 @@ pia_addkey() {
 			err "Failed to update $OPN_WG tunnel address to $peer_ip"
 		fi
 	fi
+	info "Reloading Wireguard service"
 	opn_curl 'wireguard/service/reconfigure' -d '{}'
 
 	# Update firewall rule alias
 	piawg_ip_alias="$(opn_curl 'firewall/alias/searchItem' -d '{}' |
-		jq -r '.rows[] | select(.name == "PIAwg_IP") | .uuid')"
+		jq -r ".rows[] | select(.name == \"$OPN_ALIAS\") | .uuid")"
+	info "Updating alias $OPN_ALIAS to $peer_ip"
 	opn_curl "firewall/alias/setItem/$piawg_ip_alias" \
 		-d "$(jq -n --arg ip "$peer_ip" '{alias: {content: $ip}}')"
+	info "Reloading Firewall alias"
 	opn_curl 'firewall/alias/reconfigure' -d '{}'
 }
 
+tunnel_check() {
+	local tunneladdr
+	local response
+	local peer_status
+	tunneladdr="$(opn_curl 'wireguard/server/searchServer' -d '{}' |
+		jq -r ".rows[] | select(.name == \"$OPN_IF\") | .tunneladdress")"
+	response="$(opn_curl 'wireguard/service/show' -d '{}' |
+		jq ".rows[] | select(.name == \"$OPN_PEER\")")"
+	peer_status="$(printf '%s' "$response" | jq -r '."peer-status"')"
+	[ "$peer_status" != "online" ] && return 1
+	if ! ping -c1 -W3 -S "${tunneladdr%/32}" 1.1.1.1 >/dev/null 2>&1; then
+		if ! ping -c1 -W3 -S "${tunneladdr%/32}" 8.8.8.8 >/dev/null 2>&1; then
+			return 1
+		fi
+	fi
+	return 0
+}
+
 # Get a new PIA API token and store
 renew_token() {
 	local login_response
@@ -168,6 +197,15 @@ renew_token() {
 	unset pia_token
 }
 
+PIAWG_VERBOSE=0
+while getopts "v" opt; do
+  case $opt in
+    v) PIAWG_VERBOSE=1 ;;
+    *) printf '%s\n' "Usage: $0 [-v]" >&2; exit 1 ;;
+  esac
+done
+shift $((OPTIND - 1))
+
 # Check for required external commands
 for rbin in curl jq openssl; do
 	command -v "$rbin" >/dev/null 2>&1 ||
@@ -187,6 +225,7 @@ if [ ! -f "$PIAWG_CONF" ]; then
 		#BAO_ROLE=
 		#BAO_SECRET=
 	EOF
+	info "Created '$PIAWG_CONF' configuration file"
 fi
 
 # Source config
@@ -215,6 +254,7 @@ _fingerprint=1fd25658456eab3041fba77ccd398ab8124edcc1b8b2fc1d55fdf6b1bbfc9d70
 : "${BAO_PATH_TOKEN:=piawg/session/token}"
 : "${OPN_IF:=PIAwg}"
 : "${OPN_PEER:=PIAwg_srv}"
+: "${OPN_ALIAS:=PIAwg_IP}"
 
 # Get ephemeral session token from AppRole login
 if ! bao_token_reply=$(curl -sS \
@@ -236,6 +276,7 @@ get_token_reply="$(
 	bao_curl -n "$BAO_KV_MOUNT/data/$BAO_PATH_TOKEN"
 )" && rc=0 || rc=$?
 if [ "$rc" -eq 4 ]; then
+	info "Renewing PIA token"
 	renew_token
 	get_token_reply="$(bao_curl "$BAO_KV_MOUNT/data/$BAO_PATH_TOKEN")"
 fi
@@ -246,6 +287,7 @@ check_token "$pia_token" || err "Failed to get valid PIA token"
 # Download PIA RSA CA certificate
 if [ ! -f ./ca.rsa.4096.crt ]; then
 	[ -f ./.ca.rsa.4096.crt ] && rm ./.ca.rsa.4096.crt
+	info "Downloading PIA's CA certificate"
 	curl -sS --connect-timeout 5 --max-time 20 --retry 5 --retry-delay 2 \
 		-o ./.ca.rsa.4096.crt "$PIA_CRT"
 	pia_file_hash="$(openssl x509 -in ./.ca.rsa.4096.crt -outform DER |
@@ -291,15 +333,4 @@ unset wg_reply
 [ "$server_ip" != "$piawgsrv_srvaddr" ] && pia_addkey
 
 # Check tunnel
-piawg_tunaddr="$(opn_curl 'wireguard/server/searchServer' -d '{}' |
-	jq -r ".rows[] | select(.name == \"$OPN_IF\") | .tunneladdress")"
-wg_status_reply="$(opn_curl 'wireguard/service/show' -d '{}' |
-	jq ".rows[] | select(.name == \"$OPN_PEER\")")"
-echo "$wg_status_reply" | jq .
-wg_status="$(printf '%s' "$wg_status_reply" | jq -r '."peer-status"')"
-[ ! "$wg_status" = "online" ] && err "$OPN_PEER is offline"
-if ! ping -c1 -W3 -S "${piawg_tunaddr%/32}" 1.1.1.1 >/dev/null 2>&1; then
-	if ! ping -c1 -W3 -S "${piawg_tunaddr%/32}" 8.8.8.8 >/dev/null 2>&1; then
-		err "$OPN_PEER failed to ping internet"
-	fi
-fi
+tunnel_check && info "$server_cn tunnel working on $OPN_IF"