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Fix size of type 2 probe replies.

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Type 2 replies should be as small as possible. The minimum payload size
for probe packets is 14 bytes, otherwise they won't be recognized as
such.
This commit is contained in:
Guus Sliepen 2015-01-10 23:33:55 +01:00
parent 0209f12d27
commit c26bb47af1
1 changed files with 1 additions and 1 deletions
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2
src/net_packet.c
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@ -110,7 +110,7 @@ static void udp_probe_h(node_t *n, vpn_packet_t *packet, length_t len) {
gettimeofday(&now, NULL); gettimeofday(&now, NULL);
uint32_t sec = htonl(now.tv_sec); memcpy(data, &sec, 4); data += 4; uint32_t sec = htonl(now.tv_sec); memcpy(data, &sec, 4); data += 4;
uint32_t usec = htonl(now.tv_usec); memcpy(data, &usec, 4); data += 4; uint32_t usec = htonl(now.tv_usec); memcpy(data, &usec, 4); data += 4;
packet->len -= 10; packet->len = 14; // Minimum size for any probe packet.
} else { } else {
/* Legacy protocol: n won't understand type 2 probe replies. */ /* Legacy protocol: n won't understand type 2 probe replies. */
DATA(packet)[0] = 1; DATA(packet)[0] = 1;