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https://github.com/LadybirdBrowser/ladybird.git
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e241b47fee
These are not needed anymore since the introduction of the new get_root_session_id syscall.
124 lines
3.8 KiB
C++
124 lines
3.8 KiB
C++
/*
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* Copyright (c) 2021, Peter Elliott <pelliott@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 <LibCore/Account.h>
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#include <LibCore/ArgsParser.h>
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#include <LibCore/SessionManagement.h>
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#include <LibCore/System.h>
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#include <LibGUI/Application.h>
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#include <LibGUI/MessageBox.h>
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#include <LibMain/Main.h>
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#include <Services/LoginServer/LoginWindow.h>
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#include <errno.h>
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#include <string.h>
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#include <sys/wait.h>
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#include <unistd.h>
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static void child_process(Core::Account const& account)
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{
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pid_t rc = setsid();
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if (rc == -1) {
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dbgln("failed to setsid: {}", strerror(errno));
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exit(1);
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}
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auto result = Core::SessionManagement::create_session_temporary_directory_if_needed(account.uid(), account.gid());
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if (result.is_error()) {
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dbgln("Failed to create temporary directory for session: {}", result.error());
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exit(1);
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}
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if (auto const result = account.login(); result.is_error()) {
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dbgln("failed to switch users: {}", result.error());
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exit(1);
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}
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setenv("HOME", account.home_directory().characters(), true);
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dbgln("login with sid={}", rc);
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execlp("/bin/SystemServer", "SystemServer", "--user", nullptr);
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dbgln("failed to exec SystemServer --user: {}", strerror(errno));
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exit(127);
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}
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static void login(Core::Account const& account, LoginWindow& window)
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{
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pid_t pid = fork();
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if (pid == 0)
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child_process(account);
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int wstatus;
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pid_t rc = waitpid(pid, &wstatus, 0);
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if (rc == -1)
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dbgln("waitpid failed: {}", strerror(errno));
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if (WIFEXITED(wstatus) && WEXITSTATUS(wstatus) != 0)
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dbgln("SystemServer exited with non-zero status: {}", WEXITSTATUS(wstatus));
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window.show();
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}
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ErrorOr<int> serenity_main(Main::Arguments arguments)
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{
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auto app = TRY(GUI::Application::try_create(arguments));
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TRY(Core::System::pledge("stdio recvfd sendfd cpath chown rpath exec proc id"));
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TRY(Core::System::unveil("/home", "r"));
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TRY(Core::System::unveil("/tmp", "c"));
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TRY(Core::System::unveil("/etc/passwd", "r"));
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TRY(Core::System::unveil("/etc/shadow", "r"));
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TRY(Core::System::unveil("/etc/group", "r"));
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TRY(Core::System::unveil("/bin/SystemServer", "x"));
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TRY(Core::System::unveil("/res", "r"));
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TRY(Core::System::unveil(nullptr, nullptr));
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auto window = LoginWindow::construct();
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window->on_submit = [&]() {
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auto username = window->username();
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auto password = Core::SecretString::take_ownership(window->password().to_byte_buffer());
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window->set_password(""sv);
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auto fail_message = "Can't log in: invalid username or password."sv;
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auto account = Core::Account::from_name(username);
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if (account.is_error()) {
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window->set_fail_message(fail_message);
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dbgln("failed graphical login for user {}: {}", username, account.error());
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return;
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}
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if (!account.value().authenticate(password)) {
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window->set_fail_message(fail_message);
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dbgln("failed graphical login for user {}: invalid password", username);
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return;
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}
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window->set_username(""sv);
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window->hide();
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login(account.value(), *window);
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};
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StringView auto_login;
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Core::ArgsParser args_parser;
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args_parser.add_option(auto_login, "automatically log in with no prompt", "auto-login", 'a', "username");
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args_parser.parse(arguments);
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if (auto_login.is_empty()) {
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window->show();
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} else {
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auto account = Core::Account::from_name(auto_login);
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if (account.is_error()) {
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dbgln("failed auto-login for user {}: {}", auto_login, account.error());
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return 1;
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}
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login(account.value(), *window);
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}
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return app->exec();
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}
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