From aef6ece9e60e092d2815d894e04b4e0f244929fa Mon Sep 17 00:00:00 2001
From: Andrew Kaster <andrewdkaster@gmail.com>
Date: Thu, 6 Jun 2024 09:29:54 -0600
Subject: [PATCH] Meta: Remove shred utility

---
 Base/usr/share/man/man1/shred.md  | 39 ----------------
 Userland/Utilities/CMakeLists.txt |  1 -
 Userland/Utilities/shred.cpp      | 75 -------------------------------
 3 files changed, 115 deletions(-)
 delete mode 100644 Base/usr/share/man/man1/shred.md
 delete mode 100644 Userland/Utilities/shred.cpp

diff --git a/Base/usr/share/man/man1/shred.md b/Base/usr/share/man/man1/shred.md
deleted file mode 100644
index 8c1def0ac42..00000000000
--- a/Base/usr/share/man/man1/shred.md
+++ /dev/null
@@ -1,39 +0,0 @@
-## Name
-
-shred - destroy a file with its content on disk
-
-## Synopsis
-
-```**sh
-$ shred [options...] [path...]
-```
-
-## Description
-
-`shred` destroys files' content on disk.
-
-## Options
-
-* `--help`: Display this message
-* `-v`, `--verbose`: Show progress during the shred operation
-* `-n`, `--iterations`: Iterations count of shred operation
-* `-u`: Deallocate and remove file after overwriting
-* `--random-source`: Get random bytes from a file other than /dev/random
-
-## Arguments
-
-* `path`: Files to shred
-
-## Examples
-
-```sh
-# shred a file and remove it aftewards
-$ shred -u /tmp/FILE_TO_BE_SHREDDED_AND_REMOVED
-# shred a file with 10 iterations
-$ shred --iterations 10 /tmp/FILE_TO_BE_SHREDDED
-# shred a file with verbose progress and 10 iterations
-$ shred -v --iterations 10 /tmp/FILE_TO_BE_SHREDDED
-```
-
-## See also
-* [`rm`(1)](help://man/1/rm) to delete a file or directory without overwriting the content first
diff --git a/Userland/Utilities/CMakeLists.txt b/Userland/Utilities/CMakeLists.txt
index 56ac9b6337a..c64aefbb26e 100644
--- a/Userland/Utilities/CMakeLists.txt
+++ b/Userland/Utilities/CMakeLists.txt
@@ -9,7 +9,6 @@ set(CMD_SOURCES
     isobmff.cpp
     js.cpp
     lzcat.cpp
-    shred.cpp
     tar.cpp
     test-jpeg-roundtrip.cpp
     ttfdisasm.cpp
diff --git a/Userland/Utilities/shred.cpp b/Userland/Utilities/shred.cpp
deleted file mode 100644
index b4cb826a6d7..00000000000
--- a/Userland/Utilities/shred.cpp
+++ /dev/null
@@ -1,75 +0,0 @@
-/*
- * Copyright (c) 2024, Romain Chardiny <romain.chardiny@gmail.com>
- *
- * SPDX-License-Identifier: BSD-2-Clause
- */
-
-#include <LibCore/ArgsParser.h>
-#include <LibCore/File.h>
-#include <LibCore/System.h>
-#include <LibFileSystem/FileSystem.h>
-#include <stdio.h>
-#include <unistd.h>
-
-ErrorOr<int> serenity_main(Main::Arguments arguments)
-{
-    TRY(Core::System::pledge("stdio unix rpath wpath cpath"));
-
-    Vector<StringView> paths;
-    bool remove_file = false;
-    bool verbose = false;
-    u32 iterations = 3;
-    Optional<StringView> random_source;
-
-    Core::ArgsParser args_parser;
-    args_parser.add_option(remove_file, "Deallocate and remove file after overwriting", nullptr, 'u');
-    args_parser.add_option(verbose, "Show progress", "verbose", 'v');
-    args_parser.add_option(iterations, "Overwrite N times instead of the default (3)", "iterations", 'n', "N");
-    args_parser.add_option(random_source, "Get random bytes from FILE", "random-source", 0, "FILE");
-    args_parser.add_positional_argument(paths, "Path(s) to overwrite", "FILE", Core::ArgsParser::Required::Yes);
-    args_parser.parse(arguments);
-
-    auto rng_file = TRY(Core::File::open(random_source.value_or("/dev/random"sv), Core::File::OpenMode::Read));
-
-    for (auto& path : paths) {
-        auto file = TRY(Core::File::open(path, Core::File::OpenMode::ReadWrite | Core::File::OpenMode::DontCreate));
-
-        off_t output_file_length = TRY(FileSystem::size_from_fstat(file->fd()));
-
-        for (u32 iter = 0; iter < iterations; iter++) {
-            if (verbose)
-                outln("shred: {}: pass {}/{} (random)", path, iter + 1, iterations);
-
-            Array<u8, BUFSIZ> buffer;
-            off_t total_written = 0;
-            ssize_t nread = 0;
-            ssize_t nwritten = 0;
-
-            while (total_written < output_file_length) {
-                auto buffer_span = buffer.span().trim(output_file_length - total_written);
-
-                nread = TRY(Core::System::read(rng_file->fd(), buffer_span));
-
-                if (nread == 0)
-                    break;
-
-                nwritten = TRY(Core::System::write(file->fd(), buffer_span));
-
-                if (nwritten == 0)
-                    break;
-
-                total_written += nwritten;
-            }
-
-            TRY(Core::System::fsync(file->fd()));
-            TRY(file->seek(0, SeekMode::SetPosition));
-        }
-
-        if (remove_file) {
-            TRY(Core::System::ftruncate(file->fd(), 0));
-            TRY(Core::System::unlink(path));
-        }
-    }
-
-    return 0;
-}