X-Git-Url: https://www.tinc-vpn.org/git/browse?a=blobdiff_plain;f=src%2Fprotocol_key.c;h=f34a70da103dc1f2830090f8a2ccee7901f1dd07;hb=c2a9ed9e98e3dc4218c74fff774ddfe654adfd72;hp=802f7ca68d5f2707fb6eaed2ce47990d810d3a60;hpb=6dfdb323612184529b4b83c1be914dda8262de47;p=tinc

diff --git a/src/protocol_key.c b/src/protocol_key.c
index 802f7ca6..f34a70da 100644
--- a/src/protocol_key.c
+++ b/src/protocol_key.c
@@ -116,6 +116,8 @@ bool send_req_key(node_t *to) {
 		snprintf(label, sizeof label, "tinc UDP key expansion %s %s", myself->name, to->name);
 		sptps_stop(&to->sptps);
 		to->status.validkey = false;
+		to->status.waitingforkey = true;
+		to->last_req_key = time(NULL);
 		to->incompression = myself->incompression;
 		return sptps_start(&to->sptps, to, true, true, myself->connection->ecdsa, to->ecdsa, label, sizeof label, send_initial_sptps_data, receive_sptps_record); 
 	}
@@ -172,11 +174,29 @@ static bool req_key_ext_h(connection_t *c, const char *request, node_t *from, in
 			snprintf(label, sizeof label, "tinc UDP key expansion %s %s", from->name, myself->name);
 			sptps_stop(&from->sptps);
 			from->status.validkey = false;
+			from->status.waitingforkey = true;
+			from->last_req_key = time(NULL);
 			sptps_start(&from->sptps, from, false, true, myself->connection->ecdsa, from->ecdsa, label, sizeof label, send_sptps_data, receive_sptps_record); 
 			sptps_receive_data(&from->sptps, buf, len);
 			return true;
 		}
 
+		case REQ_PACKET: {
+			if(!from->status.validkey) {
+				logger(DEBUG_PROTOCOL, LOG_ERR, "Got REQ_PACKET from %s (%s) but we don't have a valid key yet", from->name, from->hostname);
+				return true;
+			}
+
+			char buf[MAX_STRING_SIZE];
+			if(sscanf(request, "%*d %*s %*s %*d " MAX_STRING, buf) != 1) {
+				logger(DEBUG_ALWAYS, LOG_ERR, "Got bad %s from %s (%s): %s", "REQ_KEY", from->name, from->hostname, "invalid SPTPS data");
+				return true;
+			}
+			int len = b64decode(buf, buf, strlen(buf));
+			sptps_receive_data(&from->sptps, buf, len);
+			return true;
+		}
+
 		default:
 			logger(DEBUG_ALWAYS, LOG_ERR, "Unknown extended REQ_KEY request from %s (%s): %s", from->name, from->hostname, request);
 			return true;