/* SPDX-License-Identifier: GPL-3.0-only */
/* SPDX-FileCopyrightText: 2026 afiw <afiw@linuxposting.xyz> */

/*
 * can - query filesystem permissions
 * Copyright (C) 2026 afiw <afiw@linuxposting.xyz>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, exclusively version 3 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */

#include <err.h>
#include <grp.h>
#include <stdlib.h>
#include <sys/stat.h>
#include "action.h"
#include "group.h"

bool can_group(struct group* gr, enum action action, char const* path) {
  struct stat st;
  if (stat(path, &st) == -1) {
    err(EXIT_FAILURE, "%s", path); }
  if (st.st_mode & other_bit_of_action(action)) {
    return true; }
  if (gr->gr_gid == st.st_gid) {
    if (st.st_mode & group_bit_of_action(action)) {
      return true; } }
  return false; }