1 files changed, 88 insertions, 0 deletions
diff --git a/src/plugins/acl/acl-backend-vfile.h b/src/plugins/acl/acl-backend-vfile.h
new file mode 100644
index 0000000..c5aaa25
--- /dev/null
+++ b/src/plugins/acl/acl-backend-vfile.h
@@ -0,0 +1,88 @@
+#ifndef ACL_BACKEND_VFILE_H
+#define ACL_BACKEND_VFILE_H
+
+#include "acl-api-private.h"
+#include "mail-storage-private.h"
+
+#define ACL_FILENAME "dovecot-acl"
+#define ACLLIST_FILENAME "dovecot-acl-list"
+
+#define ACL_VFILE_VALIDITY_MTIME_NOTFOUND 0
+#define ACL_VFILE_VALIDITY_MTIME_NOACCESS -1
+
+struct acl_vfile_validity {
+	time_t last_check;
+
+	time_t last_read_time;
+	time_t last_mtime;
+	off_t last_size;
+};
+
+struct acl_backend_vfile_validity {
+	struct acl_vfile_validity global_validity, local_validity;
+};
+
+struct acl_object_vfile {
+	struct acl_object aclobj;
+
+	/* if backend->global_file is NULL, assume legacy separate global
+	   ACL file per mailbox */
+	char *global_path, *local_path;
+};
+
+struct acl_backend_vfile_acllist {
+	time_t mtime;
+	const char *name;
+};
+
+struct acl_backend_vfile {
+	struct acl_backend backend;
+	const char *global_path;
+
+	pool_t acllist_pool;
+	ARRAY(struct acl_backend_vfile_acllist) acllist;
+
+	time_t acllist_last_check;
+	time_t acllist_mtime;
+	unsigned int acllist_change_counter;
+
+	unsigned int cache_secs;
+	bool rebuilding_acllist:1;
+	bool iterating_acllist:1;
+};
+
+void acl_vfile_write_rights_list(string_t *dest, const char *const *rights);
+int acl_backend_vfile_object_update(struct acl_object *aclobj,
+				    const struct acl_rights_update *update);
+
+void acl_backend_vfile_acllist_refresh(struct acl_backend_vfile *backend);
+int acl_backend_vfile_acllist_rebuild(struct acl_backend_vfile *backend);
+void acl_backend_vfile_acllist_verify(struct acl_backend_vfile *backend,
+				      const char *name, time_t mtime);
+
+struct acl_mailbox_list_context *
+acl_backend_vfile_nonowner_iter_init(struct acl_backend *backend);
+bool acl_backend_vfile_nonowner_iter_next(struct acl_mailbox_list_context *ctx,
+					 const char **name_r);
+int
+acl_backend_vfile_nonowner_iter_deinit(struct acl_mailbox_list_context *ctx);
+int acl_backend_vfile_nonowner_lookups_rebuild(struct acl_backend *backend);
+
+int acl_backend_vfile_object_get_mtime(struct acl_object *aclobj,
+				       time_t *mtime_r);
+
+static inline enum mailbox_list_path_type
+mail_storage_get_acl_list_path_type(struct mail_storage *storage)
+{
+	if (mail_storage_is_mailbox_file(storage)) {
+		/* mailbox is a directory (e.g. mbox) */
+		return MAILBOX_LIST_PATH_TYPE_CONTROL;
+	}
+	if ((storage->class_flags & MAIL_STORAGE_CLASS_FLAG_NO_ROOT) != 0) {
+		/* there is no local mailbox directory */
+		return MAILBOX_LIST_PATH_TYPE_CONTROL;
+	}
+	return MAILBOX_LIST_PATH_TYPE_MAILBOX;
+}
+
+#endif