gui: Rename "launch" to "execd"

wind --user=<NAME> is not supported anymore. We'll setuid() and setgid() to wind:wind on our own.

gui/CMakeLists.txt

@@ -11,7 +11,7 @@ add_subdirectory(libui)
 add_subdirectory(wind)
 add_subdirectory(apps)
 
-luna_service(launch.cpp launch)
+luna_service(execd.cpp execd)
 luna_service(run.cpp run)
 luna_service(loginui.cpp loginui)
 target_link_libraries(loginui PRIVATE ui)

gui/apps/taskbar.cpp

@@ -115,7 +115,7 @@ Result<int> luna_main(int, char**)
 
     TRY(os::EventLoop::the().register_signal_handler(SIGQUIT, sigquit_handler));
 
-    launcher_client = TRY(os::IPC::Client::connect("/tmp/launch.sock", false));
+    launcher_client = TRY(os::IPC::Client::connect("/tmp/execd.sock", false));
 
     ui::Rect screen = app.screen_rect();
 

gui/execd.cpp

@@ -1,5 +1,5 @@
 /**
- * @file launch.cpp
+ * @file execd.cpp
  * @author apio (cloudapio.eu)
  * @brief Background process that handles detached launching of apps.
  *
@@ -42,7 +42,7 @@ void handle_ipc_message(os::IPC::ClientConnection& client, u8 id, void*)
     switch (id)
     {
     case os::Launcher::LAUNCH_DETACHED_ID: handle_launch_detached_message(client); break;
-    default: os::eprintln("launch: Invalid IPC message from client!"); return;
+    default: os::eprintln("execd: Invalid IPC message from client!"); return;
     }
 }
 
@@ -55,11 +55,11 @@ Result<int> luna_main(int argc, char** argv)
 {
     TRY(os::Security::pledge("stdio wpath cpath unix proc exec", NULL));
 
-    StringView socket_path = "/tmp/launch.sock";
+    StringView socket_path = "/tmp/execd.sock";
 
     os::ArgumentParser parser;
     parser.add_description("Background process that handles detached launching of apps."_sv);
-    parser.add_system_program_info("launch"_sv);
+    parser.add_system_program_info("execd"_sv);
     parser.parse(argc, argv);
 
     signal(SIGCHLD, sigchld_handler);
@@ -87,7 +87,7 @@ Result<int> luna_main(int argc, char** argv)
         if (fds[0].revents & POLLIN)
         {
             auto client = TRY(server->accept());
-            os::println("launch: New client connected!");
+            os::println("execd: New client connected!");
             TRY(fds.try_append({ .fd = client.fd(), .events = POLLIN, .revents = 0 }));
 
             auto connection = TRY(os::IPC::ClientConnection::adopt_connection(move(client)));
@@ -99,7 +99,7 @@ Result<int> luna_main(int argc, char** argv)
             if (fds[i + 1].revents & POLLIN) clients[i]->check_for_messages();
             if (fds[i + 1].revents & POLLHUP)
             {
-                os::println("launch: Client %zu disconnected", i);
+                os::println("execd: Client %zu disconnected", i);
                 fds.remove_at(i + 1);
                 auto client = clients.remove_at(i);
                 client->disconnect();

gui/run.cpp

@@ -22,7 +22,7 @@ Result<int> luna_main(int argc, char** argv)
     parser.add_positional_argument(program, "program", true);
     parser.parse(argc, argv);
 
-    OwnedPtr<os::IPC::Client> launcher_client = TRY(os::IPC::Client::connect("/tmp/launch.sock", false));
+    OwnedPtr<os::IPC::Client> launcher_client = TRY(os::IPC::Client::connect("/tmp/execd.sock", false));
 
     os::println("Requesting to start program '%s'...", program.chars());
 

gui/wind/main.cpp

@@ -73,8 +73,8 @@ Result<int> luna_main(int argc, char** argv)
 
     if (geteuid() != 0)
     {
-        os::eprintln("error: wind must be run as root to initialize resources, run with --user=<USERNAME> to drop "
-                     "privileges afterwards");
+        os::eprintln("error: wind must be run as root to initialize resources, the server will drop "
+                     "privileges automatically afterwards");
         return 1;
     }
 

system/startui.cpp

@@ -123,17 +123,17 @@ Result<int> luna_main(int argc, char** argv)
     setenv("HOME", pw->pw_dir, 1);
     setenv("SHELL", pw->pw_shell, 1);
 
-    // We also need to wait for this one, since taskbar requires launch.sock.
+    // We also need to wait for this one, since taskbar requires execd.sock.
     bool success = os::IPC::Notifier::run_and_wait(
         [&] {
-            (void)os::FileSystem::remove("/tmp/launch.sock");
-            StringView launch_command[] = { "/usr/bin/launch" };
-            spawn_process_as_user(Slice<StringView>(launch_command, 1), pw->pw_uid, pw->pw_gid, groups.slice());
+            (void)os::FileSystem::remove("/tmp/execd.sock");
+            StringView execd_command[] = { "/usr/bin/execd" };
+            spawn_process_as_user(Slice<StringView>(execd_command, 1), pw->pw_uid, pw->pw_gid, groups.slice());
         },
         1000);
     if (!success)
     {
-        os::eprintln("startui: failed to start launch server, timed out");
+        os::eprintln("startui: failed to start execd, timed out");
         return 1;
     }
 

utils/logout.cpp

@@ -21,7 +21,7 @@ Result<int> luna_main(int argc, char** argv)
             return err(errno);
         }
 
-        if (strstr(ps.ps_name, "/usr/bin/launch")) { kill(ps.ps_pid, SIGTERM); }
+        if (strstr(ps.ps_name, "/usr/bin/execd")) { kill(ps.ps_pid, SIGTERM); }
     }
 
     return 0;