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rm: Check before removing '/'

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A simple check to not erase '/' by mistake.
This commit is contained in:
Lucas CHOLLET 2022-01-02 15:10:02 +01:00 committed by Andreas Kling
parent 416033a660
commit 4d557a4b81
Notes: sideshowbarker 2024-07-17 21:47:42 +09:00 
Author: https://github.com/LucasChollet
Commit: https://github.com/SerenityOS/serenity/commit/4d557a4b81f
Pull-request: https://github.com/SerenityOS/serenity/pull/11565
Reviewed-by: https://github.com/IdanHo
1 changed files with 8 additions and 1 deletions
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9
Userland/Utilities/rm.cpp
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@ -21,12 +21,14 @@ int main(int argc, char** argv)
bool recursive = false;
bool force = false;
bool verbose = false;
Vector<const char*> paths;
bool no_preserve_root = false;
Vector<StringView> paths;
Core::ArgsParser args_parser;
args_parser.add_option(recursive, "Delete directories recursively", "recursive", 'r');
args_parser.add_option(force, "Force", "force", 'f');
args_parser.add_option(verbose, "Verbose", "verbose", 'v');
args_parser.add_option(no_preserve_root, "Do not consider '/' specially", "no-preserve-root", 0);
args_parser.add_positional_argument(paths, "Path(s) to remove", "path", Core::ArgsParser::Required::No);
args_parser.parse(argc, argv);
@ -37,6 +39,11 @@ int main(int argc, char** argv)
bool had_errors = false;
for (auto& path : paths) {
if (!no_preserve_root && path == "/") {
warnln("rm: '/' is protected, try with --no-preserve-root to override this behavior");
continue;
}
auto result = Core::File::remove(path, recursive ? Core::File::RecursionMode::Allowed : Core::File::RecursionMode::Disallowed, force);
if (result.is_error()) {