Use directory handle to rename trace chunk directory

Replace uses of renameat() with the directory handle
compatiblity-layer for systems that don't support directory
file descriptors.

Signed-off-by: Jérémie Galarneau <jeremie.galarneau@efficios.com>

diff --git a/src/common/trace-chunk.c b/src/common/trace-chunk.c
index 451832fde245bbad1e35839f0a71e05f50454532..26c7ce07d3486be1a4101920f100653dc2e19b03 100644 (file)
--- a/src/common/trace-chunk.c
+++ b/src/common/trace-chunk.c
@@ -800,8 +800,6 @@ void lttng_trace_chunk_move_to_completed(struct lttng_trace_chunk *trace_chunk)
        int ret;
        char *directory_to_rename = NULL;
        bool free_directory_to_rename = false;
-       const int session_dirfd =
-                       trace_chunk->session_output_directory.value.dirfd;
        char *archived_chunk_name = NULL;
        const uint64_t chunk_id = LTTNG_OPTIONAL_GET(trace_chunk->id);
        const time_t creation_timestamp =
@@ -845,17 +843,18 @@ void lttng_trace_chunk_move_to_completed(struct lttng_trace_chunk *trace_chunk)
                }
 
                for (i = 0; i < count; i++) {
-                       const int temp_dirfd = temporary_rename_directory.dirfd;
                        const char *top_level_name =
                                        lttng_dynamic_pointer_array_get_pointer(
                                                &trace_chunk->top_level_directories, i);
 
-                       /*
-                        * FIXME replace renamat() use by directory handle
-                        * wrapper for non-POSIX 2008 systems.
-                        */
-                       ret = renameat(session_dirfd, top_level_name,
-                                       temp_dirfd, top_level_name);
+                       ret = lttng_directory_handle_rename_as_user(
+                                       &trace_chunk->session_output_directory.value,
+                                       top_level_name,
+                                       &temporary_rename_directory,
+                                       top_level_name,
+                                       LTTNG_OPTIONAL_GET(trace_chunk->credentials).use_current_user ?
+                                               NULL :
+                                               &trace_chunk->credentials.value.user);
                        if (ret) {
                                PERROR("Failed to move \"%s\" to temporary trace chunk rename directory",
                                                top_level_name);
@@ -906,13 +905,14 @@ void lttng_trace_chunk_move_to_completed(struct lttng_trace_chunk *trace_chunk)
        }
        archived_chunks_directory.is_set = true;
 
-       /*
-        * FIXME replace renamat() use by directory handle
-        * wrapper for non-POSIX 2008 systems.
-        */
-       ret = renameat(session_dirfd, directory_to_rename,
-                       archived_chunks_directory.value.dirfd,
-                       archived_chunk_name);
+       ret = lttng_directory_handle_rename_as_user(
+                       &trace_chunk->session_output_directory.value,
+                       directory_to_rename,
+                       &archived_chunks_directory.value,
+                       archived_chunk_name,
+                       LTTNG_OPTIONAL_GET(trace_chunk->credentials).use_current_user ?
+                               NULL :
+                               &trace_chunk->credentials.value.user);
        if (ret) {
                PERROR("Failed to rename folder \"%s\" to \"%s\"",
                                directory_to_rename, archived_chunk_name);