Create all trace directories and files with client user credentials

[lttng-tools.git] / lttng-sessiond / session.c

diff --git a/lttng-sessiond/session.c b/lttng-sessiond/session.c
index 2ab49485f738a9d3c45df96ba91baed4a397794b..7a580fdd9b07cfb6ff9b31f4eb5b529f306fc4d4 100644 (file)
--- a/lttng-sessiond/session.c
+++ b/lttng-sessiond/session.c
@@ -55,11 +55,12 @@ static struct ltt_session_list ltt_session_list = {
  * Add a ltt_session structure to the global list.
  *
  * The caller MUST acquire the session list lock before.
+ * Returns the unique identifier for the session.
  */
-static void add_session_list(struct ltt_session *ls)
+static int add_session_list(struct ltt_session *ls)
 {
        cds_list_add(&ls->list, &ltt_session_list.head);
-       ltt_session_list.count++;
+       return ++ltt_session_list.count;
 }
 
 /*
@@ -163,7 +164,7 @@ int session_destroy(struct ltt_session *session)
 /*
  * Create a brand new session and add it to the session list.
  */
-int session_create(char *name, char *path)
+int session_create(char *name, char *path, uid_t uid, gid_t gid)
 {
        int ret;
        struct ltt_session *new_session;
@@ -213,12 +214,17 @@ int session_create(char *name, char *path)
        /* Init lock */
        pthread_mutex_init(&new_session->lock, NULL);
 
+       new_session->uid = uid;
+       new_session->gid = gid;
+
        /* Add new session to the session list */
        session_lock_list();
-       add_session_list(new_session);
+       new_session->id = add_session_list(new_session);
        session_unlock_list();
 
-       DBG("Tracing session %s created in %s", name, path);
+       DBG("Tracing session %s created in %s with ID %d by UID %d GID %d",
+               name, path, new_session->id,
+               new_session->uid, new_session->gid);
 
        return LTTCOMM_OK;