X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fnet_packet.c;h=c9a666377cecd4ec4fd05c7b4bf97eb827f39806;hb=ff306f0cdaedb50de1472e7c1fb55de922a6ca60;hp=371632fa3c57c18ff7c204754a41463555acff65;hpb=bb6b97ce3493d49b79f1bd57fdac420c312ef8d6;p=tinc

diff --git a/src/net_packet.c b/src/net_packet.c
index 371632fa..c9a66637 100644
--- a/src/net_packet.c
+++ b/src/net_packet.c
@@ -36,7 +36,6 @@
 #include LZO1X_H
 #endif
 
-#include "splay_tree.h"
 #include "cipher.h"
 #include "conf.h"
 #include "connection.h"
@@ -398,6 +397,7 @@ static void send_sptps_packet(node_t *n, vpn_packet_t *origpkt) {
 			n->status.waitingforkey = false;
 			send_req_key(n);
 		}
+		return;
 	}
 
 	uint8_t type = 0;
@@ -590,13 +590,15 @@ end:
 bool send_sptps_data(void *handle, uint8_t type, const char *data, size_t len) {
 	node_t *to = handle;
 
-	if(type >= SPTPS_HANDSHAKE || ((myself->options | to->options) & OPTION_TCPONLY)) {
+	if(type >= SPTPS_HANDSHAKE
+			|| ((myself->options | to->options) & OPTION_TCPONLY)
+			|| (type != PKT_PROBE && len > to->minmtu)) {
 		char buf[len * 4 / 3 + 5];
 		b64encode(data, buf, len);
 		if(!to->status.validkey)
 			return send_request(to->nexthop->connection, "%d %s %s %s -1 -1 -1 %d", ANS_KEY, myself->name, to->name, buf, myself->incompression);
 		else
-			return send_request(to->nexthop->connection, "%d %s %s %d %s", REQ_KEY, myself->name, to->name, REQ_SPTPS, buf);
+			return send_request(to->nexthop->connection, "%d %s %s %d %s", REQ_KEY, myself->name, to->name, type >= SPTPS_HANDSHAKE ? REQ_SPTPS : REQ_PACKET, buf);
 	}
 
 	/* Send the packet */
@@ -747,10 +749,6 @@ void send_packet(node_t *n, vpn_packet_t *packet) {
 /* Broadcast a packet using the minimum spanning tree */
 
 void broadcast_packet(const node_t *from, vpn_packet_t *packet) {
-	splay_node_t *node;
-	connection_t *c;
-	node_t *n;
-
 	// Always give ourself a copy of the packet.
 	if(from != myself)
 		send_packet(myself, packet);
@@ -768,8 +766,9 @@ void broadcast_packet(const node_t *from, vpn_packet_t *packet) {
 		// This guarantees all nodes receive the broadcast packet, and
 		// usually distributes the sending of broadcast packets over all nodes.
 		case BMODE_MST:
-			for(node = connection_tree->head; node; node = node->next) {
-				c = node->data;
+			for(list_node_t *node = connection_list->head, *next; node; node = next) {
+				next = node->next;
+				connection_t *c = node->data;
 
 				if(c->status.active && c->status.mst && c != from->nexthop->connection)
 					send_packet(c->node, packet);
@@ -783,8 +782,8 @@ void broadcast_packet(const node_t *from, vpn_packet_t *packet) {
 			if(from != myself)
 				break;
 
-			for(node = node_tree->head; node; node = node->next) {
-				n = node->data;
+			for(splay_node_t *node = node_tree->head; node; node = node->next) {
+				node_t *n = node->data;
 
 				if(n->status.reachable && ((n->via == myself && n->nexthop == n) || n->via == n))
 					send_packet(n, packet);