X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fprotocol_auth.c;h=0049cd93a24646f55640412abfcef207c1a7bd65;hb=b13e1a3c1f7252cda5ab95166d9f2d578983471f;hp=12dc144a29501a05280f0d974ac93322f0c38f3a;hpb=b2701c7c54b11cda71461c5dbbc985476bf5b221;p=tinc

diff --git a/src/protocol_auth.c b/src/protocol_auth.c
index 12dc144a..0049cd93 100644
--- a/src/protocol_auth.c
+++ b/src/protocol_auth.c
@@ -1,7 +1,7 @@
 /*
     protocol_auth.c -- handle the meta-protocol, authentication
     Copyright (C) 1999-2005 Ivo Timmermans,
-                  2000-2017 Guus Sliepen <guus@tinc-vpn.org>
+                  2000-2022 Guus Sliepen <guus@tinc-vpn.org>
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -46,6 +46,9 @@
 #include "ed25519/sha512.h"
 #include "keys.h"
 
+/* If nonzero, use null ciphers and skip all key exchanges. */
+bool bypass_security = false;
+
 int invitation_lifetime;
 ecdsa_t *invitation_key = NULL;
 
@@ -287,7 +290,12 @@ static bool receive_invitation_sptps(void *handle, uint8_t type, const void *dat
 
 	// Read the new node's Name from the file
 	char buf[1024] = "";
-	fgets(buf, sizeof(buf), f);
+
+	if(!fgets(buf, sizeof(buf), f)) {
+		logger(DEBUG_ALWAYS, LOG_ERR, "Could not read invitation file %s\n", cookie);
+		return false;
+	}
+
 	size_t buflen = strlen(buf);
 
 	// Strip whitespace at the end