53 lines
1.9 KiB
C
53 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-3.0-only */
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/* SPDX-FileCopyrightText: 2026 afiw <afiw@linuxposting.xyz> */
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/*
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* can - query filesystem permissions
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* Copyright (C) 2026 afiw <afiw@linuxposting.xyz>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, exclusively version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include <errno.h>
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#include <string.h>
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#include <sys/stat.h>
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#include "action.h"
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int action_of_cstring(char const* cstring) {
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if (strcmp(cstring, "read") == 0) {
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return ACTION_READ; }
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else if (strcmp(cstring, "write") == 0) {
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return ACTION_WRITE; }
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else if (strcmp(cstring, "edit") == 0) {
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return ACTION_WRITE; }
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else if (strcmp(cstring, "execute") == 0) {
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return ACTION_EXECUTE; }
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else if (strcmp(cstring, "run") == 0) {
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return ACTION_EXECUTE; }
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errno = EINVAL;
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return -1; }
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mode_t user_bit_of_action(enum action action) {
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return (mode_t[]){ [ACTION_READ] = S_IRUSR,
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[ACTION_WRITE] = S_IWUSR,
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[ACTION_EXECUTE] = S_IXUSR }[action]; }
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mode_t group_bit_of_action(enum action action) {
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return (mode_t[]){ [ACTION_READ] = S_IRGRP,
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[ACTION_WRITE] = S_IWGRP,
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[ACTION_EXECUTE] = S_IXGRP }[action]; }
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mode_t other_bit_of_action(enum action action) {
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return (mode_t[]){ [ACTION_READ] = S_IROTH,
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[ACTION_WRITE] = S_IWOTH,
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[ACTION_EXECUTE] = S_IXOTH }[action]; }
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