TunnelEncaps: Add wireguard peer key to tunnel encap format

1 files changed, 13 insertions, 5 deletions

diff --git a/lib/tunnel_encaps.c b/lib/tunnel_encaps.c
index aa3e6b29..590cf958 100644
--- a/lib/tunnel_encaps.c
+++ b/lib/tunnel_encaps.c
@@ -269,13 +269,21 @@ int format_tunnel_encap(const eattr *a, byte *buf, uint size)
       return pos - buf;
     ADVANCE(pos, size, l);
 
-    for (uint i = 0; i < encap.encap_len; i++) {
-      if (size < 4) {
-	return pos - buf;
-      }
+    if (encap.encap_len == sizeof(wg_key)) {
+      wg_key_b64_string base64;
+      wg_key_to_base64(base64, encap.encap);
 
-      l = bsprintf(pos, "%02x ", data[i]);
+      l = bsnprintf(pos, size, "%s", base64);
       ADVANCE(pos, size, l);
+    } else {
+      for (uint i = 0; i < encap.encap_len; i++) {
+	if (size < 4) {
+	  return pos - buf;
+	}
+
+	l = bsnprintf(pos, size, "%02x ", data[i]);
+	ADVANCE(pos, size, l);
+      }
     }
   }