X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-relayd%2Fmain.c;h=4e30ac49882e5c392097b51dfedf95b0d7207686;hp=5e99befa7c5c775ef888a4166366abf44a9a3114;hb=f77a6ec2ae90f5d58e9389e47228c18b081cf97a;hpb=489ea154c81ca25ff01877546631803430b2a794

diff --git a/src/bin/lttng-relayd/main.c b/src/bin/lttng-relayd/main.c
index 5e99befa7..4e30ac498 100644
--- a/src/bin/lttng-relayd/main.c
+++ b/src/bin/lttng-relayd/main.c
@@ -2699,6 +2699,20 @@ static int relay_close_trace_chunk(const struct lttcomm_relayd_hdr *recv_hdr,
 	}
 
 	pthread_mutex_lock(&session->lock);
+	if (close_command.is_set &&
+			close_command.value == LTTNG_TRACE_CHUNK_COMMAND_TYPE_DELETE) {
+		/*
+		 * Clear command. It is a protocol error to ask for a
+		 * clear on a relay which does not allow it. Querying
+		 * the configuration allows figuring out whether
+		 * clearing is allowed before doing the clear.
+		 */
+		if (!opt_allow_clear) {
+			ret = -1;
+			reply_code = LTTNG_ERR_INVALID_PROTOCOL;
+			goto end_unlock_session;
+		}
+	}
 	if (session->pending_closure_trace_chunk &&
 			session->pending_closure_trace_chunk != chunk) {
 		ERR("Trace chunk close command for session \"%s\" does not target the trace chunk pending closure",