From: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
Date: Thu, 16 Apr 2015 21:14:53 +0000 (-0400)
Subject: Be more restrictive in provider name check
X-Git-Tag: v2.7.0-rc1~55
X-Git-Url: http://git.liburcu.org/?a=commitdiff_plain;h=021153c017dd6cb9dc5ec5fe74fadd6536f1327d;p=lttng-modules.git

Be more restrictive in provider name check

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---

diff --git a/lttng-probes.c b/lttng-probes.c
index b5a7fc80..ee75e33d 100644
--- a/lttng-probes.c
+++ b/lttng-probes.c
@@ -60,6 +60,14 @@ int check_event_provider(struct lttng_probe_desc *desc)
 				desc->provider,
 				provider_name_len))
 			return 0;	/* provider mismatch */
+		/*
+		 * The event needs to contain at least provider name + _ +
+		 * one or more letter.
+		 */
+		if (strlen(desc->event_desc[i]->name) <= provider_name_len + 1)
+			return 0;	/* provider mismatch */
+		if (desc->event_desc[i]->name[provider_name_len] != '_')
+			return 0;	/* provider mismatch */
 	}
 	return 1;
 }