Fix: sessiond: erroneous user check logic in session_access_ok

[lttng-tools.git] / src / bin / lttng-sessiond / utils.c

diff --git a/src/bin/lttng-sessiond/utils.c b/src/bin/lttng-sessiond/utils.c
index 2ff57cd1465c6071eb0d89705b061ef3dafac05f..f84859fc621645aea1939d7c04648c7ac729682a 100644 (file)
--- a/src/bin/lttng-sessiond/utils.c
+++ b/src/bin/lttng-sessiond/utils.c
@@ -1,28 +1,19 @@
 /*
- * Copyright (C) 2011 - David Goulet <david.goulet@polymtl.ca>
- *                      Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * Copyright (C) 2011 David Goulet <david.goulet@polymtl.ca>
+ * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, version 2 only,
- * as published by the Free Software Foundation.
+ * SPDX-License-Identifier: GPL-2.0-only
  *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#define _GNU_SOURCE
+#define _LGPL_SOURCE
 #include <stdlib.h>
 #include <unistd.h>
 
 #include <common/error.h>
 
 #include "utils.h"
+#include "snapshot.h"
 #include "lttng-sessiond.h"
 
 int ht_cleanup_pipe[2] = { -1, -1 };
@@ -52,6 +43,9 @@ void ht_cleanup_push(struct lttng_ht *ht)
        ssize_t ret;
        int fd = ht_cleanup_pipe[1];
 
+       if (!ht) {
+               return;
+       }
        if (fd < 0)
                return;
        ret = lttng_write(fd, &ht, sizeof(ht));
@@ -68,3 +62,39 @@ void ht_cleanup_push(struct lttng_ht *ht)
 error:
        assert(!ret);
 }
+
+int loglevels_match(int a_loglevel_type, int a_loglevel_value,
+       int b_loglevel_type, int b_loglevel_value, int loglevel_all_type)
+{
+       int match = 1;
+
+       if (a_loglevel_type == b_loglevel_type) {
+               /* Same loglevel type. */
+               if (b_loglevel_type != loglevel_all_type) {
+                       /*
+                        * Loglevel value must also match since the loglevel
+                        * type is not all.
+                        */
+                       if (a_loglevel_value != b_loglevel_value) {
+                               match = 0;
+                       }
+               }
+       } else {
+               /* Loglevel type is different: no match. */
+               match = 0;
+       }
+
+       return match;
+}
+
+const char *session_get_base_path(const struct ltt_session *session)
+{
+       return consumer_output_get_base_path(session->consumer);
+}
+
+const char *consumer_output_get_base_path(const struct consumer_output *output)
+{
+       return output->type == CONSUMER_DST_LOCAL ?
+                       output->dst.session_root_path :
+                       output->dst.net.base_dir;
+}