Userland: Add the BuggieBox program

This will be our alternative to what is known as BusyBox for Linux
distributions.

Co-Authored-By: Tim Schumacher <timschumi@gmx.de>
This commit is contained in:
Liav A 2022-09-27 05:53:51 +03:00 committed by Andrew Kaster
parent bc0d56fa74
commit 35efdb17f9
Notes: sideshowbarker 2024-07-17 05:06:13 +09:00
3 changed files with 163 additions and 0 deletions

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@ -0,0 +1,51 @@
serenity_component(
BuggieBox
REQUIRED
TARGETS BuggieBox
)
function (buggiebox_utility src)
get_filename_component(utility ${src} NAME_WE)
target_sources(BuggieBox PRIVATE ${src})
set_source_files_properties(${src} PROPERTIES COMPILE_DEFINITIONS "serenity_main=${utility}_main")
endfunction()
set(utility_srcs
../Utilities/cat.cpp
../Utilities/checksum.cpp
../Utilities/chmod.cpp
../Utilities/chown.cpp
../Utilities/cp.cpp
../Utilities/df.cpp
../Utilities/env.cpp
../Utilities/file.cpp
../Utilities/find.cpp
../Utilities/id.cpp
../Utilities/less.cpp
../Utilities/ln.cpp
../Utilities/ls.cpp
../Utilities/lsblk.cpp
../Utilities/mkdir.cpp
../Utilities/mknod.cpp
../Utilities/mount.cpp
../Utilities/mv.cpp
../Utilities/ps.cpp
../Utilities/rm.cpp
../Utilities/rmdir.cpp
../Utilities/tail.cpp
../Utilities/tree.cpp
../Utilities/umount.cpp
../Utilities/uname.cpp
../Utilities/uniq.cpp
)
serenity_bin(BuggieBox)
target_sources(BuggieBox PRIVATE main.cpp)
target_link_libraries(BuggieBox PRIVATE LibMain LibShell LibCompress LibCore LibCrypto LibGfx LibLine LibRegex)
foreach(file IN LISTS utility_srcs)
buggiebox_utility(${file})
endforeach()
target_sources(BuggieBox PRIVATE ../Shell/main.cpp)
set_source_files_properties( ../Shell/main.cpp PROPERTIES COMPILE_DEFINITIONS "serenity_main=sh_main")

111
Userland/BuggieBox/main.cpp Normal file
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@ -0,0 +1,111 @@
/*
* Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il>
* Copyright (c) 2022, Tim Schumacher <timschumi@gmx.de>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/LexicalPath.h>
#include <LibMain/Main.h>
#include <Userland/Shell/Shell.h>
#define ENUMERATE_UTILITIES(E) \
E(cat) \
E(checksum) \
E(chmod) \
E(chown) \
E(cp) \
E(df) \
E(env) \
E(file) \
E(find) \
E(id) \
E(less) \
E(ln) \
E(ls) \
E(lsblk) \
E(mkdir) \
E(mknod) \
E(mount) \
E(mv) \
E(ps) \
E(rm) \
E(sh) \
E(rmdir) \
E(tail) \
E(tree) \
E(umount) \
E(uname) \
E(uniq)
// Declare the entrypoints of all the tools that we delegate to.
// Relying on `decltype(serenity_main)` ensures that we always stay consistent with the `serenity_main` signature.
#define DECLARE_ENTRYPOINT(name) decltype(serenity_main) name##_main;
ENUMERATE_UTILITIES(DECLARE_ENTRYPOINT)
#undef DECLARE_ENTRYPOINT
static void fail()
{
out(stderr, "Direct running of BuggieBox was detected without finding a proper requested utility.\n");
out(stderr, "The following programs are supported: uname, env, lsblk, file, df, mount, umount, mkdir, ");
out(stderr, "rmdir, rm, chown, chmod, cp, ln, ls, mv, cat, md5sum, sha1sum, sha256sum, sha512sum, sh, uniq, id, tail, ");
out(stderr, "find, less, mknod, ps\n");
out(stderr, "To use one of these included utilities, create a symbolic link with the target being this binary, and ensure the basename");
out(stderr, "is included within.\n");
}
struct Runner {
StringView name;
ErrorOr<int> (*func)(Main::Arguments arguments) = nullptr;
};
static constexpr Runner s_runners[] = {
#define RUNNER_ENTRY(name) { #name##sv, name##_main },
ENUMERATE_UTILITIES(RUNNER_ENTRY)
#undef RUNNER_ENTRY
// Some tools have additional aliases.
{ "md5sum"sv, checksum_main },
{ "sha1sum"sv, checksum_main },
{ "sha256sum"sv, checksum_main },
{ "sha512sum"sv, checksum_main },
{ "Shell"sv, sh_main },
};
static ErrorOr<int> run_program(Main::Arguments arguments, LexicalPath const& runbase, bool& found_runner)
{
for (auto& runner : s_runners) {
if (runbase.basename() == runner.name) {
found_runner = true;
return runner.func(arguments);
}
}
return 0;
}
static ErrorOr<int> buggiebox_main(Main::Arguments arguments)
{
if (arguments.argc == 0) {
fail();
return 1;
}
bool found_runner = false;
LexicalPath runbase { arguments.strings[0] };
auto result = TRY(run_program(arguments, runbase, found_runner));
if (!found_runner)
fail();
return result;
}
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
LexicalPath runbase { arguments.strings[0] };
if (runbase.basename() == "BuggieBox"sv) {
Main::Arguments utility_arguments = arguments;
utility_arguments.argc--;
utility_arguments.argv++;
utility_arguments.strings = arguments.strings.slice(1);
return buggiebox_main(utility_arguments);
}
return buggiebox_main(arguments);
}

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@ -22,6 +22,7 @@ add_subdirectory(DevTools)
add_subdirectory(DynamicLoader)
add_subdirectory(Games)
add_subdirectory(Libraries)
add_subdirectory(BuggieBox)
add_subdirectory(Applets)
add_subdirectory(Services)
add_subdirectory(Shell)