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Serenity Operating System
1/*
2 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice, this
9 * list of conditions and the following disclaimer.
10 *
11 * 2. Redistributions in binary form must reproduce the above copyright notice,
12 * this list of conditions and the following disclaimer in the documentation
13 * and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
22 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27#include <AK/String.h>
28#include <AK/StringBuilder.h>
29#include <AK/Vector.h>
30#include <LibCore/ArgsParser.h>
31#include <LibCore/DirIterator.h>
32#include <dirent.h>
33#include <stdio.h>
34#include <string.h>
35#include <sys/stat.h>
36#include <unistd.h>
37
38int remove(bool recursive, String path)
39{
40 struct stat path_stat;
41 if (lstat(path.characters(), &path_stat) < 0) {
42 perror("lstat");
43 return 1;
44 }
45
46 if (S_ISDIR(path_stat.st_mode) && recursive) {
47 auto di = Core::DirIterator(path, Core::DirIterator::SkipParentAndBaseDir);
48 if (di.has_error()) {
49 fprintf(stderr, "DirIterator: %s\n", di.error_string());
50 return 1;
51 }
52
53 while (di.has_next()) {
54 int s = remove(true, di.next_full_path());
55 if (s != 0)
56 return s;
57 }
58
59 int s = rmdir(path.characters());
60 if (s < 0) {
61 perror("rmdir");
62 return 1;
63 }
64 } else {
65 int rc = unlink(path.characters());
66 if (rc < 0) {
67 perror("unlink");
68 return 1;
69 }
70 }
71 return 0;
72}
73
74int main(int argc, char** argv)
75{
76 if (pledge("stdio rpath cpath", nullptr) < 0) {
77 perror("pledge");
78 return 1;
79 }
80
81 bool recursive = false;
82 const char* path = nullptr;
83
84 Core::ArgsParser args_parser;
85 args_parser.add_option(recursive, "Delete directories recursively", "recursive", 'r');
86 args_parser.add_positional_argument(path, "File to remove", "path");
87 args_parser.parse(argc, argv);
88
89 return remove(recursive, path);
90}