X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fcmd.c;h=11ff9b489dd2d0be182b14f6743b2807dc4285b8;hp=c1e33693f913076d58d8dba938975be23e10d4bc;hb=1f345e94095b14037b3f39bc0b48db6b6543efd6;hpb=c8c5f7ce6289e7090883066f40b53291e8ac503e

diff --git a/src/bin/lttng-sessiond/cmd.c b/src/bin/lttng-sessiond/cmd.c
index c1e33693f..11ff9b489 100644
--- a/src/bin/lttng-sessiond/cmd.c
+++ b/src/bin/lttng-sessiond/cmd.c
@@ -18,6 +18,7 @@
 #define _GNU_SOURCE
 #define _LGPL_SOURCE
 #include <assert.h>
+#include <string.h>
 #include <inttypes.h>
 #include <urcu/list.h>
 #include <urcu/uatomic.h>
@@ -939,11 +940,21 @@ int cmd_enable_channel(struct ltt_session *session,
 	int ret;
 	struct ltt_ust_session *usess = session->ust_session;
 	struct lttng_ht *chan_ht;
+	size_t len;
 
 	assert(session);
 	assert(attr);
 	assert(domain);
 
+	len = strnlen(attr->name, sizeof(attr->name));
+
+	/* Validate channel name */
+	if (attr->name[0] == '.' ||
+		memchr(attr->name, '/', len) != NULL) {
+		ret = LTTNG_ERR_INVALID_CHANNEL_NAME;
+		goto end;
+	}
+
 	DBG("Enabling channel %s for session %s", attr->name, session->name);
 
 	rcu_read_lock();
@@ -1024,6 +1035,7 @@ int cmd_enable_channel(struct ltt_session *session,
 
 error:
 	rcu_read_unlock();
+end:
 	return ret;
 }