X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fmain.c;h=ac7f7c910317d45158ac75991fa55cea17af7610;hp=7f66a7271222d16b11dbb501ddf7dd5c0e291fb2;hb=3e3665b89947ebdd812bcfaca1090d22b34d5778;hpb=0d64e8fbee878b0de2c0bbe819d5e40790112a01

diff --git a/src/bin/lttng-sessiond/main.c b/src/bin/lttng-sessiond/main.c
index 7f66a7271..ac7f7c910 100644
--- a/src/bin/lttng-sessiond/main.c
+++ b/src/bin/lttng-sessiond/main.c
@@ -1023,7 +1023,11 @@ static int set_permissions(char *rundir)
 	int ret;
 	gid_t gid;
 
-	gid = utils_get_group_id(config.tracing_group_name.value);
+	ret = utils_get_group_id(config.tracing_group_name.value, true, &gid);
+	if (ret) {
+		/* Default to root group. */
+		gid = 0;
+	}
 
 	/* Set lttng run dir */
 	ret = chown(rundir, 0, gid);
@@ -1134,7 +1138,16 @@ static int set_consumer_sockets(struct consumer_data *consumer_data)
 		goto error;
 	}
 	if (is_root) {
-		ret = chown(path, 0, utils_get_group_id(config.tracing_group_name.value));
+		gid_t gid;
+
+		ret = utils_get_group_id(config.tracing_group_name.value, true,
+				&gid);
+		if (ret) {
+			/* Default to root group. */
+			gid = 0;
+		}
+
+		ret = chown(path, 0, gid);
 		if (ret < 0) {
 			ERR("Unable to set group on %s", path);
 			PERROR("chown");
@@ -1322,8 +1335,8 @@ static void destroy_all_sessions_and_wait(void)
 			goto unlock_session;
 		}
 		(void) cmd_stop_trace(session);
-		(void) cmd_destroy_session(session,
-				notification_thread_handle);
+		(void) cmd_destroy_session(session, notification_thread_handle,
+				NULL);
 	unlock_session:
 		session_unlock(session);
 		session_put(session);
@@ -1336,6 +1349,34 @@ static void destroy_all_sessions_and_wait(void)
 	DBG("Destruction of all sessions completed");
 }
 
+static int run_as_worker_post_fork_cleanup(void *data)
+{
+	struct sessiond_config *sessiond_config = data;
+
+	sessiond_config_fini(sessiond_config);
+	return 0;
+}
+
+static int launch_run_as_worker(const char *procname)
+{
+	/*
+	 * Clean-up before forking the run-as worker. Any dynamically
+	 * allocated memory of which the worker is not aware will
+	 * be leaked as the process forks a run-as worker (and performs
+	 * no exec*()). The same would apply to any opened fd.
+	 */
+	return run_as_create_worker(procname, run_as_worker_post_fork_cleanup,
+			&config);
+}
+
+static void sessiond_uuid_log(void)
+{
+	char uuid_str[UUID_STR_LEN];
+
+	lttng_uuid_to_str(sessiond_uuid, uuid_str);
+	DBG("Starting lttng-sessiond {%s}", uuid_str);
+}
+
 /*
  * main
  */
@@ -1432,6 +1473,7 @@ int main(int argc, char **argv)
 	set_clock_plugin_env();
 
 	sessiond_config_log(&config);
+	sessiond_uuid_log();
 
 	if (create_lttng_rundir()) {
 		retval = -1;
@@ -1469,7 +1511,7 @@ int main(int argc, char **argv)
 		}
 	}
 
-	if (run_as_create_worker(argv[0]) < 0) {
+	if (launch_run_as_worker(argv[0]) < 0) {
 		goto exit_create_run_as_worker_cleanup;
 	}
 
@@ -1626,12 +1668,6 @@ int main(int argc, char **argv)
 		goto stop_threads;
 	}
 
-	/* Set credentials to socket */
-	if (is_root && set_permissions(config.rundir.value)) {
-		retval = -1;
-		goto stop_threads;
-	}
-
 	/* Get parent pid if -S, --sig-parent is specified. */
 	if (config.sig_parent) {
 		ppid = getppid();
@@ -1741,6 +1777,12 @@ int main(int argc, char **argv)
 		goto stop_threads;
 	}
 
+	/* Set credentials of the client socket and rundir */
+	if (is_root && set_permissions(config.rundir.value)) {
+		retval = -1;
+		goto stop_threads;
+	}
+
 	if (!launch_ust_dispatch_thread(&ust_cmd_queue, apps_cmd_pipe[1],
 			apps_cmd_notify_pipe[1])) {
 		retval = -1;