From: David Goulet <dgoulet@efficios.com>
Date: Mon, 30 Sep 2013 17:19:01 +0000 (-0400)
Subject: Fix: session's hostname wrongly assigned
X-Git-Tag: v2.4.0-rc1~127
X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=commitdiff_plain;h=731848356e38d33b32fc6346ac30fba3a46a8673

Fix: session's hostname wrongly assigned

Signed-off-by: David Goulet <dgoulet@efficios.com>
---

diff --git a/src/bin/lttng-sessiond/session.c b/src/bin/lttng-sessiond/session.c
index e4c747f7f..07031a30a 100644
--- a/src/bin/lttng-sessiond/session.c
+++ b/src/bin/lttng-sessiond/session.c
@@ -195,8 +195,13 @@ int session_create(char *name, uid_t uid, gid_t gid)
 	}
 
 	ret = gethostname(new_session->hostname, sizeof(new_session->hostname));
-	if (ret && errno == ENAMETOOLONG) {
-		new_session->hostname[HOST_NAME_MAX - 1] = '\0';
+	if (ret < 0) {
+		if (errno == ENAMETOOLONG) {
+			new_session->hostname[sizeof(new_session->hostname) - 1] = '\0';
+		} else {
+			ret = LTTNG_ERR_FATAL;
+			goto error;
+		}
 	}
 
 	/* Init kernel session */
diff --git a/src/bin/lttng-sessiond/session.h b/src/bin/lttng-sessiond/session.h
index de98bde51..e052d6d33 100644
--- a/src/bin/lttng-sessiond/session.h
+++ b/src/bin/lttng-sessiond/session.h
@@ -18,6 +18,7 @@
 #ifndef _LTT_SESSION_H
 #define _LTT_SESSION_H
 
+#include <limits.h>
 #include <urcu/list.h>
 
 #include <common/hashtable/hashtable.h>
@@ -59,8 +60,7 @@ struct ltt_session_list {
  */
 struct ltt_session {
 	char name[NAME_MAX];
-	/* FIXME : size */
-	char hostname[PATH_MAX]; /* local hostname, FIXME : could be useful to have that user defined too */
+	char hostname[HOST_NAME_MAX]; /* Local hostname. */
 	struct ltt_kernel_session *kernel_session;
 	struct ltt_ust_session *ust_session;
 	/*