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Fix protocol version check for type 2 MTU probe replies.

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Currently tinc only uses type 2 MTU probe replies if the recipient uses
protocol version 17.3. It should of course support any higher minor
protocol version as well.
This commit is contained in:
Etienne Dechamps 2014-09-27 17:51:33 +01:00
parent f6b008d731
commit f57d53c3ad
1 changed files with 1 additions and 1 deletions
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2
src/net_packet.c
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@ -182,7 +182,7 @@ static void mtu_probe_h(node_t *n, vpn_packet_t *packet, length_t len) {
/* It's a probe request, send back a reply */
/* Type 2 probe replies were introduced in protocol 17.3 */
if ((n->options >> 24) == 3) {
if ((n->options >> 24) >= 3) {
uint8_t* data = packet->data;
*data++ = 2;
uint16_t len16 = htons(len); memcpy(data, &len16, 2); data += 2;