From 70a7e83291cd8890bbf6217a9b4d819005c867f1 Mon Sep 17 00:00:00 2001
From: Varun Narravula <varun@snare.dev>
Date: Thu, 8 Jan 2026 20:40:41 -0800
Subject: [PATCH] feat(ping): send fingerprint and posture checks as part of
 ping/register

---
 olm/olm.go  | 14 ++++++++------
 olm/ping.go | 12 +++++++-----
 2 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/olm/olm.go b/olm/olm.go
index de3f5a7..0810025 100644
--- a/olm/olm.go
+++ b/olm/olm.go
@@ -356,12 +356,14 @@ func (o *Olm) StartTunnel(config TunnelConfig) {
 		if o.stopRegister == nil {
 			logger.Debug("Sending registration message to server with public key: %s and relay: %v", publicKey, !config.Holepunch)
 			o.stopRegister, o.updateRegister = olmClient.SendMessageInterval("olm/wg/register", map[string]any{
-				"publicKey":  publicKey.String(),
-				"relay":      !config.Holepunch,
-				"olmVersion": o.olmConfig.Version,
-				"olmAgent":   o.olmConfig.Agent,
-				"orgId":      config.OrgID,
-				"userToken":  userToken,
+				"publicKey":   publicKey.String(),
+				"relay":       !config.Holepunch,
+				"olmVersion":  o.olmConfig.Version,
+				"olmAgent":    o.olmConfig.Agent,
+				"orgId":       config.OrgID,
+				"userToken":   userToken,
+				"fingerprint": o.fingerprint,
+				"postures":    o.postures,
 			}, 1*time.Second)
 
 			// Invoke onRegistered callback if configured
diff --git a/olm/ping.go b/olm/ping.go
index bbeee9a..0d5235d 100644
--- a/olm/ping.go
+++ b/olm/ping.go
@@ -8,10 +8,12 @@ import (
 	"github.com/fosrl/olm/websocket"
 )
 
-func sendPing(olm *websocket.Client) error {
+func (o *Olm) sendPing(olm *websocket.Client) error {
 	err := olm.SendMessage("olm/ping", map[string]any{
-		"timestamp": time.Now().Unix(),
-		"userToken": olm.GetConfig().UserToken,
+		"timestamp":   time.Now().Unix(),
+		"userToken":   olm.GetConfig().UserToken,
+		"fingerprint": o.fingerprint,
+		"postures":    o.postures,
 	})
 	if err != nil {
 		logger.Error("Failed to send ping message: %v", err)
@@ -23,7 +25,7 @@ func sendPing(olm *websocket.Client) error {
 
 func (o *Olm) keepSendingPing(olm *websocket.Client) {
 	// Send ping immediately on startup
-	if err := sendPing(olm); err != nil {
+	if err := o.sendPing(olm); err != nil {
 		logger.Error("Failed to send initial ping: %v", err)
 	} else {
 		logger.Info("Sent initial ping message")
@@ -39,7 +41,7 @@ func (o *Olm) keepSendingPing(olm *websocket.Client) {
 			logger.Info("Stopping ping messages")
 			return
 		case <-ticker.C:
-			if err := sendPing(olm); err != nil {
+			if err := o.sendPing(olm); err != nil {
 				logger.Error("Failed to send periodic ping: %v", err)
 			}
 		}