// SPDX-License-Identifier: GPL-2.0+
/*
 * Copyright (C) 2010 - 2018 Red Hat, Inc.
 */

#ifndef __NMS_KEYFILE_UTILS_H__
#define __NMS_KEYFILE_UTILS_H__

#include "NetworkManagerUtils.h"

typedef enum {
	NMS_KEYFILE_FILETYPE_KEYFILE,
	NMS_KEYFILE_FILETYPE_NMMETA,
} NMSKeyfileFiletype;

typedef enum {
	NMS_KEYFILE_STORAGE_TYPE_RUN       = 1, /* read-write, runtime only, e.g. /run */
	NMS_KEYFILE_STORAGE_TYPE_ETC       = 2, /* read-write, persistent,   e.g. /etc     */
	NMS_KEYFILE_STORAGE_TYPE_LIB_BASE  = 3, /* read-only,                e.g. /usr/lib */

	_NMS_KEYFILE_STORAGE_TYPE_LIB_LAST = 1000,
} NMSKeyfileStorageType;

static inline NMSKeyfileStorageType
NMS_KEYFILE_STORAGE_TYPE_LIB (guint run_idx)
{
	nm_assert (run_idx <= (_NMS_KEYFILE_STORAGE_TYPE_LIB_LAST - NMS_KEYFILE_STORAGE_TYPE_LIB_BASE));
	return NMS_KEYFILE_STORAGE_TYPE_LIB_BASE + run_idx;
}

/*****************************************************************************/

const char *nms_keyfile_nmmeta_check_filename (const char *filename,
                                               guint *out_uuid_len);

char *nms_keyfile_nmmeta_filename (const char *dirname,
                                   const char *uuid,
                                   gboolean temporary);

gboolean nms_keyfile_nmmeta_read (const char *dirname,
                                  const char *filename,
                                  char **out_full_filename,
                                  char **out_uuid,
                                  char **out_loaded_path,
                                  char **out_shadowed_storage,
                                  struct stat *out_st);

gboolean nms_keyfile_nmmeta_read_from_file (const char *full_filename,
                                            char **out_dirname,
                                            char **out_filename,
                                            char **out_uuid,
                                            char **out_loaded_path,
                                            char **out_shadowed_storage);

int nms_keyfile_nmmeta_write (const char *dirname,
                              const char *uuid,
                              const char *loaded_path,
                              gboolean loaded_path_allow_relative,
                              const char *shadowed_storage,
                              char **out_full_filename);

/*****************************************************************************/

struct stat;
gboolean nms_keyfile_utils_check_file_permissions_stat (NMSKeyfileFiletype filetype,
                                                        const struct stat *st,
                                                        GError **error);

gboolean nms_keyfile_utils_check_file_permissions (NMSKeyfileFiletype filetype,
                                                   const char *filename,
                                                   struct stat *out_st,
                                                   GError **error);

#endif /* __NMS_KEYFILE_UTILS_H__ */