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60f6bc902b
StringView was used where possible. Some utilities still use libc functions which expect null-terminated strings, so String objects were used there instead.
100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
/*
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* Copyright (c) 2020, Peter Elliott <pelliott@serenityos.org>
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* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/ScopeGuard.h>
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#include <LibCore/Account.h>
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#include <LibCore/ArgsParser.h>
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#include <LibCore/GetPassword.h>
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#include <LibCore/System.h>
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#include <LibMain/Main.h>
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#include <string.h>
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#include <unistd.h>
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ErrorOr<int> serenity_main(Main::Arguments arguments)
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{
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if (geteuid() != 0) {
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warnln("Not running as root :^(");
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return 1;
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}
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TRY(Core::System::setegid(0));
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TRY(Core::System::pledge("stdio wpath rpath cpath fattr tty"));
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TRY(Core::System::unveil("/etc", "rwc"));
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TRY(Core::System::unveil(nullptr, nullptr));
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bool del = false;
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bool lock = false;
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bool unlock = false;
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// FIXME: Replace with StringView once Core::Account::from_name stops taking a char const*.
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String username {};
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auto args_parser = Core::ArgsParser();
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args_parser.set_general_help("Modify an account password.");
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args_parser.add_option(del, "Delete password", "delete", 'd');
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args_parser.add_option(lock, "Lock password", "lock", 'l');
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args_parser.add_option(unlock, "Unlock password", "unlock", 'u');
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args_parser.add_positional_argument(username, "Username", "username", Core::ArgsParser::Required::No);
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args_parser.parse(arguments);
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uid_t current_uid = getuid();
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// target_account is the account we are changing the password of.
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auto target_account = TRY(!username.is_empty()
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? Core::Account::from_name(username.characters())
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: Core::Account::from_uid(current_uid));
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setpwent();
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if (current_uid != 0 && current_uid != target_account.uid()) {
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warnln("You can't modify passwd for {}", username);
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return 1;
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}
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if (del) {
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target_account.delete_password();
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} else if (lock) {
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target_account.set_password_enabled(false);
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} else if (unlock) {
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target_account.set_password_enabled(true);
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} else {
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if (current_uid != 0) {
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auto current_password = TRY(Core::get_password("Current password: "));
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if (!target_account.authenticate(current_password)) {
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warnln("Incorrect or disabled password.");
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warnln("Password for user {} unchanged.", target_account.username());
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return 1;
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}
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}
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auto new_password = TRY(Core::get_password("New password: "));
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auto new_password_retype = TRY(Core::get_password("Retype new password: "));
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if (new_password.is_empty() && new_password_retype.is_empty()) {
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warnln("No password supplied.");
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warnln("Password for user {} unchanged.", target_account.username());
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return 1;
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}
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if (new_password.view() != new_password_retype.view()) {
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warnln("Sorry, passwords don't match.");
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warnln("Password for user {} unchanged.", target_account.username());
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return 1;
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}
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target_account.set_password(new_password);
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}
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TRY(Core::System::pledge("stdio wpath rpath cpath fattr"));
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TRY(target_account.sync());
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outln("Password for user {} successfully updated.", target_account.username());
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return 0;
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}
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