Detect old session clients with an empty array in proxy mode as well

src/stratifier.c

@@ -3525,6 +3525,7 @@ static json_t *parse_subscribe(stratum_instance_t *client, const int64_t client_
 {
 	ckpool_t *ckp = client->ckp;
 	sdata_t *sdata, *ckp_sdata = ckp->data;
+	int session_id = 0, userid = -1;
 	bool old_match = false;
 	char sessionid[12];
 	int arr_size;
@@ -3547,7 +3548,6 @@ static json_t *parse_subscribe(stratum_instance_t *client, const int64_t client_
 	/* NOTE useragent is NULL prior to this so should not be used in code
 	 * till after this point */
 	if (arr_size > 0) {
-		int session_id = 0;
 		const char *buf;
 
 		buf = json_string_value(json_array_get(params_val, 0));
@@ -3571,9 +3571,11 @@ static json_t *parse_subscribe(stratum_instance_t *client, const int64_t client_
 				__fill_enonce1data(sdata->current_workbase, client);
 				ck_runlock(&ckp_sdata->workbase_lock);
 			}
-		} else if (ckp->proxy) {
-			int userid;
+		}
+	} else
+		client->useragent = ckzalloc(1);
 
+	if (ckp->proxy) {
 		/* Use the session_id to tell us which user this was.
 			* If it's not available, see if there's an IP address
 			* which matches a recently disconnected session. */
@@ -3588,8 +3590,6 @@ static json_t *parse_subscribe(stratum_instance_t *client, const int64_t client_
 				sdata = user_sdata;
 		}
 	}
-	} else
-		client->useragent = ckzalloc(1);
 
 	client->sdata = sdata;
 	if (ckp->proxy) {