summaryrefslogtreecommitdiff
path: root/Userland/DevTools/Inspector/main.cpp
blob: d3abcaa10fe6b7b7a73fe5ceae17f5cdbc57a79f (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
/*
 * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
 *
 * SPDX-License-Identifier: BSD-2-Clause
 */

#include "RemoteObject.h"
#include "RemoteObjectGraphModel.h"
#include "RemoteObjectPropertyModel.h"
#include "RemoteProcess.h"
#include <AK/URL.h>
#include <LibCore/System.h>
#include <LibDesktop/Launcher.h>
#include <LibGUI/Application.h>
#include <LibGUI/BoxLayout.h>
#include <LibGUI/Clipboard.h>
#include <LibGUI/Menu.h>
#include <LibGUI/Menubar.h>
#include <LibGUI/MessageBox.h>
#include <LibGUI/ModelEditingDelegate.h>
#include <LibGUI/ProcessChooser.h>
#include <LibGUI/Splitter.h>
#include <LibGUI/TreeView.h>
#include <LibGUI/Window.h>
#include <LibMain/Main.h>
#include <stdio.h>
#include <unistd.h>

using namespace Inspector;

[[noreturn]] static void print_usage_and_exit()
{
    outln("usage: Inspector <pid>");
    exit(0);
}

ErrorOr<int> serenity_main(Main::Arguments arguments)
{
    TRY(Core::System::pledge("stdio recvfd sendfd rpath unix", nullptr));
    TRY(Core::System::unveil("/res", "r"));
    TRY(Core::System::unveil("/bin", "r"));
    TRY(Core::System::unveil("/tmp", "rwc"));
    TRY(Core::System::unveil("/proc/all", "r"));
    TRY(Core::System::unveil("/etc/passwd", "r"));
    TRY(Core::System::unveil(nullptr, nullptr));

    bool gui_mode = arguments.argc != 2;
    pid_t pid;

    auto app = TRY(GUI::Application::try_create(arguments));
    auto app_icon = GUI::Icon::default_icon("app-inspector");
    if (gui_mode) {
    choose_pid:
        auto process_chooser = TRY(GUI::ProcessChooser::try_create("Inspector", "Inspect", app_icon.bitmap_for_size(16)));
        if (process_chooser->exec() == GUI::Dialog::ExecCancel)
            return 0;
        pid = process_chooser->pid();
    } else {
        auto pid_opt = String(arguments.strings[1]).to_int();
        if (!pid_opt.has_value())
            print_usage_and_exit();
        pid = pid_opt.value();
    }

    auto window = TRY(GUI::Window::try_create());

    if (pid == getpid()) {
        GUI::MessageBox::show(window, "Cannot inspect Inspector itself!", "Error", GUI::MessageBox::Type::Error);
        return 1;
    }

    RemoteProcess remote_process(pid);
    if (!remote_process.is_inspectable()) {
        GUI::MessageBox::show(window, String::formatted("Process pid={} is not inspectable", remote_process.pid()), "Error", GUI::MessageBox::Type::Error);
        if (gui_mode) {
            goto choose_pid;
        } else {
            return 1;
        }
    }

    if (!Desktop::Launcher::add_allowed_handler_with_only_specific_urls(
            "/bin/Help",
            { URL::create_with_file_protocol("/usr/share/man/man1/Inspector.md") })
        || !Desktop::Launcher::seal_allowlist()) {
        warnln("Failed to set up allowed launch URLs");
        return 1;
    }

    window->set_title("Inspector");
    window->resize(685, 500);
    window->set_icon(app_icon.bitmap_for_size(16));

    auto& file_menu = window->add_menu("&File");
    file_menu.add_action(GUI::CommonActions::make_quit_action([&](auto&) { app->quit(); }));

    auto& help_menu = window->add_menu("&Help");
    help_menu.add_action(GUI::CommonActions::make_help_action([](auto&) {
        Desktop::Launcher::open(URL::create_with_file_protocol("/usr/share/man/man1/Inspector.md"), "/bin/Help");
    }));
    help_menu.add_action(GUI::CommonActions::make_about_action("Inspector", app_icon, window));

    auto& widget = window->set_main_widget<GUI::Widget>();
    widget.set_fill_with_background_color(true);
    widget.set_layout<GUI::VerticalBoxLayout>();

    auto& splitter = widget.add<GUI::HorizontalSplitter>();

    remote_process.on_update = [&] {
        if (!remote_process.process_name().is_null())
            window->set_title(String::formatted("{} ({}) - Inspector", remote_process.process_name(), remote_process.pid()));
    };

    auto& tree_view = splitter.add<GUI::TreeView>();
    tree_view.set_model(remote_process.object_graph_model());
    tree_view.set_activates_on_selection(true);
    tree_view.set_fixed_width(286);

    auto& properties_tree_view = splitter.add<GUI::TreeView>();
    properties_tree_view.set_should_fill_selected_rows(true);
    properties_tree_view.set_editable(true);
    properties_tree_view.aid_create_editing_delegate = [](auto&) {
        return make<GUI::StringModelEditingDelegate>();
    };

    tree_view.on_activation = [&](auto& index) {
        auto* remote_object = static_cast<RemoteObject*>(index.internal_data());
        properties_tree_view.set_model(remote_object->property_model());
        remote_process.set_inspected_object(remote_object->address);
    };

    auto properties_tree_view_context_menu = TRY(GUI::Menu::try_create("Properties Tree View"));

    auto copy_bitmap = Gfx::Bitmap::try_load_from_file("/res/icons/16x16/edit-copy.png").release_value_but_fixme_should_propagate_errors();
    auto copy_property_name_action = GUI::Action::create("Copy Property Name", copy_bitmap, [&](auto&) {
        GUI::Clipboard::the().set_plain_text(properties_tree_view.selection().first().data().to_string());
    });
    auto copy_property_value_action = GUI::Action::create("Copy Property Value", copy_bitmap, [&](auto&) {
        GUI::Clipboard::the().set_plain_text(properties_tree_view.selection().first().sibling_at_column(1).data().to_string());
    });

    properties_tree_view_context_menu->add_action(copy_property_name_action);
    properties_tree_view_context_menu->add_action(copy_property_value_action);

    properties_tree_view.on_context_menu_request = [&](const GUI::ModelIndex& index, const GUI::ContextMenuEvent& event) {
        if (index.is_valid()) {
            properties_tree_view_context_menu->popup(event.screen_position());
        }
    };

    window->show();
    remote_process.update();

    if (pledge("stdio recvfd sendfd rpath", nullptr) < 0) {
        perror("pledge");
        return 1;
    }

    return app->exec();
}