mirror of
https://github.com/SerenityOS/serenity
synced 2024-07-22 02:26:11 +00:00
73 lines
2.4 KiB
C++
73 lines
2.4 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
* Copyright (c) 2022, Undefine <undefine@undefine.pl>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibCore/Account.h>
|
|
#include <LibCore/ArgsParser.h>
|
|
#include <LibCore/GetPassword.h>
|
|
#include <LibCore/System.h>
|
|
#include <LibMain/Main.h>
|
|
#include <unistd.h>
|
|
|
|
ErrorOr<int> serenity_main(Main::Arguments arguments)
|
|
{
|
|
TRY(Core::System::pledge("stdio rpath tty exec id"));
|
|
|
|
StringView first_positional;
|
|
StringView second_positional;
|
|
DeprecatedString command;
|
|
bool simulate_login = false;
|
|
|
|
Core::ArgsParser args_parser;
|
|
args_parser.add_positional_argument(first_positional, "See --login", "-", Core::ArgsParser::Required::No);
|
|
args_parser.add_positional_argument(second_positional, "User to switch to (defaults to user with UID 0)", "user", Core::ArgsParser::Required::No);
|
|
args_parser.add_option(command, "Command to execute", "command", 'c', "command");
|
|
args_parser.add_option(simulate_login, "Simulate login", "login", 'l');
|
|
args_parser.parse(arguments);
|
|
|
|
StringView user = first_positional;
|
|
|
|
if (first_positional == '-') {
|
|
simulate_login = true;
|
|
user = second_positional;
|
|
}
|
|
|
|
if (geteuid() != 0)
|
|
return Error::from_string_literal("Not running as root :(");
|
|
|
|
auto account = TRY(user.is_empty() ? Core::Account::from_uid(0) : Core::Account::from_name(user));
|
|
|
|
TRY(Core::System::pledge("stdio rpath tty exec id"));
|
|
|
|
if (getuid() != 0 && account.has_password()) {
|
|
if (!TRY(Core::System::isatty(STDIN_FILENO)))
|
|
return Error::from_string_literal("Standard input is not a terminal");
|
|
|
|
auto password = TRY(Core::get_password());
|
|
if (!account.authenticate(password))
|
|
return Error::from_string_literal("Incorrect or disabled password.");
|
|
}
|
|
|
|
TRY(Core::System::pledge("stdio rpath exec id"));
|
|
|
|
TRY(account.login());
|
|
|
|
if (simulate_login)
|
|
TRY(Core::System::chdir(account.home_directory()));
|
|
|
|
TRY(Core::System::pledge("stdio exec"));
|
|
|
|
TRY(Core::System::setenv("HOME"sv, account.home_directory(), true));
|
|
|
|
if (command.is_null()) {
|
|
TRY(Core::System::exec(account.shell(), Array<StringView, 1> { account.shell().view() }, Core::System::SearchInPath::No));
|
|
} else {
|
|
TRY(Core::System::exec(account.shell(), Array<StringView, 3> { account.shell().view(), "-c"sv, command.view() }, Core::System::SearchInPath::No));
|
|
}
|
|
|
|
return 1;
|
|
}
|