X-Git-Url: https://tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fprotocol_auth.c;h=b8d4ee8e7a0658ff1e353fa00f36d5a0ab472fbe;hb=b0d80c7f28528c2c8857c5662b4aca779b3184bb;hp=f309a40d8d6f94d066943e68cd1dd1256102210a;hpb=21184674b38ea1da87588de97dab076c9b9e4a81;p=tinc

diff --git a/src/protocol_auth.c b/src/protocol_auth.c
index f309a40d..b8d4ee8e 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,
-                  2000-2013 Guus Sliepen <guus@tinc-vpn.org>
+                  2000-2014 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
@@ -38,9 +38,9 @@
 #include "netutl.h"
 #include "node.h"
 #include "prf.h"
-#include "process.h"
 #include "protocol.h"
 #include "rsa.h"
+#include "script.h"
 #include "sptps.h"
 #include "utils.h"
 #include "xalloc.h"
@@ -172,7 +172,7 @@ static bool finalize_invitation(connection_t *c, const char *data, uint16_t len)
 		return false;
 	}
 
-	fprintf(f, "ECDSAPublicKey = %s\n", data);
+	fprintf(f, "Ed25519PublicKey = %s\n", data);
 	fclose(f);
 
 	logger(DEBUG_CONNECTIONS, LOG_INFO, "Key succesfully received from %s (%s)", c->name, c->hostname);
@@ -379,13 +379,14 @@ bool id_h(connection_t *c, const char *request) {
 		}
 
 		if(experimental)
-			read_ecdsa_public_key(c);
+			if(!read_ecdsa_public_key(c))
+				return false;
 	} else {
 		if(c->protocol_minor && !ecdsa_active(c->ecdsa))
 			c->protocol_minor = 1;
 	}
 
-	/* Forbid version rollback for nodes whose ECDSA key we know */
+	/* Forbid version rollback for nodes whose Ed25519 key we know */
 
 	if(ecdsa_active(c->ecdsa) && c->protocol_minor < 2) {
 		logger(DEBUG_ALWAYS, LOG_ERR, "Peer %s (%s) tries to roll back protocol version to %d.%d",
@@ -513,14 +514,22 @@ bool metakey_h(connection_t *c, const char *request) {
 
 	/* Check and lookup cipher and digest algorithms */
 
-	if(!(c->incipher = cipher_open_by_nid(cipher)) || !cipher_set_key_from_rsa(c->incipher, key, len, false)) {
-		logger(DEBUG_ALWAYS, LOG_ERR, "Error during initialisation of cipher from %s (%s)", c->name, c->hostname);
-		return false;
+	if(cipher) {
+		if(!(c->incipher = cipher_open_by_nid(cipher)) || !cipher_set_key_from_rsa(c->incipher, key, len, false)) {
+			logger(DEBUG_ALWAYS, LOG_ERR, "Error during initialisation of cipher from %s (%s)", c->name, c->hostname);
+			return false;
+		}
+	} else {
+		c->incipher = NULL;
 	}
 
-	if(!(c->indigest = digest_open_by_nid(digest, -1))) {
-		logger(DEBUG_ALWAYS, LOG_ERR, "Error during initialisation of digest from %s (%s)", c->name, c->hostname);
-		return false;
+	if(digest) {
+		if(!(c->indigest = digest_open_by_nid(digest, -1))) {
+			logger(DEBUG_ALWAYS, LOG_ERR, "Error during initialisation of digest from %s (%s)", c->name, c->hostname);
+			return false;
+		}
+	} else {
+		c->indigest = NULL;
 	}
 
 	c->status.decryptin = true;
@@ -628,7 +637,7 @@ bool chal_reply_h(connection_t *c, const char *request) {
 }
 
 static bool send_upgrade(connection_t *c) {
-	/* Special case when protocol_minor is 1: the other end is ECDSA capable,
+	/* Special case when protocol_minor is 1: the other end is Ed25519 capable,
 	 * but doesn't know our key yet. So send it now. */
 
 	char *pubkey = ecdsa_get_base64_public_key(myself->connection->ecdsa);
@@ -672,7 +681,8 @@ bool send_ack(connection_t *c) {
 	if(choice)
 		c->options |= OPTION_CLAMP_MSS;
 
-	get_config_int(lookup_config(c->config_tree, "Weight"), &c->estimated_weight);
+	if(!get_config_int(lookup_config(c->config_tree, "Weight"), &c->estimated_weight))
+		get_config_int(lookup_config(config_tree, "Weight"), &c->estimated_weight);
 
 	return send_request(c, "%d %s %d %x", ACK, myport, c->estimated_weight, (c->options & 0xffffff) | (experimental ? (PROT_MINOR << 24) : 0));
 }
@@ -716,12 +726,12 @@ static bool upgrade_h(connection_t *c, const char *request) {
 	}
 
 	if(ecdsa_active(c->ecdsa) || read_ecdsa_public_key(c)) {
-		logger(DEBUG_ALWAYS, LOG_INFO, "Already have ECDSA public key from %s (%s), not upgrading.", c->name, c->hostname);
+		logger(DEBUG_ALWAYS, LOG_INFO, "Already have Ed25519 public key from %s (%s), not upgrading.", c->name, c->hostname);
 		return false;
 	}
 
-	logger(DEBUG_ALWAYS, LOG_INFO, "Got ECDSA public key from %s (%s), upgrading!", c->name, c->hostname);
-	append_config_file(c->name, "ECDSAPublicKey", pubkey);
+	logger(DEBUG_ALWAYS, LOG_INFO, "Got Ed25519 public key from %s (%s), upgrading!", c->name, c->hostname);
+	append_config_file(c->name, "Ed25519PublicKey", pubkey);
 	c->allow_request = TERMREQ;
 	return send_termreq(c);
 }