shared/unit-files: only put valid unit paths and dropin dirs in the cache

[thirdparty/systemd.git] / src / shared / unit-file.c

diff --git a/src/shared/unit-file.c b/src/shared/unit-file.c
index b9b5268d0a60f30b0c4bbb31cd337c1632f07b5a..4a5f23e6c1bcbb0e76ffe9a508d661022fc98189 100644 (file)
--- a/src/shared/unit-file.c
+++ b/src/shared/unit-file.c
@@ -246,6 +246,15 @@ int unit_file_build_name_map(
                         char *filename;
                         _cleanup_free_ char *_filename_free = NULL, *simplified = NULL;
                         const char *suffix, *dst = NULL;
+                        bool valid_unit_name;
+
+                        valid_unit_name = unit_name_is_valid(de->d_name, UNIT_NAME_ANY);
+
+                        /* We only care about valid units and dirs with certain suffixes, let's ignore the
+                         * rest. */
+                        if (!valid_unit_name &&
+                            !ENDSWITH_SET(de->d_name, ".wants", ".requires", ".d"))
+                                continue;
 
                         filename = path_join(*dir, de->d_name);
                         if (!filename)
@@ -260,7 +269,7 @@ int unit_file_build_name_map(
                         } else
                                 _filename_free = filename; /* Make sure we free the filename. */
 
-                        if (!unit_name_is_valid(de->d_name, UNIT_NAME_ANY))
+                        if (!valid_unit_name)
                                 continue;
                         assert_se(suffix = strrchr(de->d_name, '.'));