fix file cache so we do not try to remove a file that was cleaned

see #33; release 1.4.4.2

Signed-off-by: Hans Zandbelt <hans.zandbelt@zmartzone.eu>

Author: zandbelt

ChangeLog

@@ -1,5 +1,7 @@
 04/16/2022
+- fix file cache so we do not try to remove a file that was cleaned just before; see #33
 - fix tests for client_secret_jwt and private_key_jwt so encoded JWT comparison works for cjose >= 0.6.2
+- release 1.4.4.2
 
 03/06/2022
 - add support for OpenSSL 3.0; closes #31

configure.ac

@@ -1,4 +1,4 @@
-AC_INIT([liboauth2],[1.5.0dev],[hans.zandbelt@zmartzone.eu])
+AC_INIT([liboauth2],[1.4.4.2],[hans.zandbelt@zmartzone.eu])
 
 AM_INIT_AUTOMAKE([foreign no-define subdir-objects])
 AC_CONFIG_MACRO_DIR([m4])

src/cache/file.c

@@ -497,7 +497,8 @@ static bool oauth2_cache_file_set(oauth2_log_t *log, oauth2_cache_t *cache,
 	_oauth2_cache_files_clean(log, impl);
 
 	if (value == NULL) {
-		rc = _oauth2_cache_file_remove(log, path);
+		if (access(path, F_OK) == 0)
+			rc = _oauth2_cache_file_remove(log, path);
 		goto unlock;
 	}