s3-lib: fix segf while reading incomplete session info (bug #10003)

[metze/samba/wip.git] / source3 / lib / sessionid_tdb.c

diff --git a/source3/lib/sessionid_tdb.c b/source3/lib/sessionid_tdb.c
index 045b3d2f2debd71e964bd993670b23907f0cbbec..7a1961194194934ea03cb3d63f2b3aad82683351 100644 (file)
--- a/source3/lib/sessionid_tdb.c
+++ b/source3/lib/sessionid_tdb.c
@@ -38,16 +38,21 @@ static int sessionid_traverse_read_fn(struct smbXsrv_session_global0 *global,
                (struct sessionid_traverse_read_state *)private_data;
        struct auth_session_info *session_info = global->auth_session_info;
        struct sessionid session = {
-               .uid = session_info->unix_token->uid,
-               .gid = session_info->unix_token->gid,
+               .uid = -1,
+               .gid = -1,
                .id_num = global->session_global_id,
                .connect_start = nt_time_to_unix(global->creation_time),
                .pid = global->channels[0].server_id,
        };
 
-       strncpy(session.username,
-               session_info->unix_info->unix_name,
-               sizeof(fstring)-1);
+       if (session_info != NULL) {
+               session.uid = session_info->unix_token->uid;
+               session.gid = session_info->unix_token->gid;
+               strncpy(session.username,
+                       session_info->unix_info->unix_name,
+                       sizeof(fstring)-1);
+       }
+
        strncpy(session.remote_machine,
                global->channels[0].remote_name,
                sizeof(fstring)-1);