Added autologin command, and use it by default.

* This will handle our current single-user login needs.
* Removed Login from the minimum image again.

build/jam/images/definitions/minimum

@@ -1,7 +1,7 @@
 # This file defines the content of the minimum Haiku image.
 
 SYSTEM_BIN = [ FFilterByBuildFeatures
-	addattr alert arp
+	addattr alert arp autologin
 	bc beep bfsinfo
 	catattr checkfs checkitout chop clear cmp collectcatkeys compress copyattr
 	dc desklink df diff diff3 diskimage draggers
@@ -41,7 +41,6 @@ SYSTEM_APPS = [ FFilterByBuildFeatures
 	CharacterMap
 	Debugger DeskCalc Devices DiskProbe DiskUsage DriveSetup
 	Expander
-	Login
 	NetworkStatus
 	ProcessController
 	ShowImage StyledEdit

data/launch/system

@@ -72,8 +72,7 @@ service x-vnd.Haiku-power_daemon {
 }
 
 target login {
-	job x-vnd.Haiku-Login {
-		launch /system/apps/Login
-		legacy
+	job x-vnd.Haiku-autologin {
+		launch /system/bin/autologin
 	}
 }

src/bin/Jamfile

@@ -77,6 +77,7 @@ StdBinCommands
 
 # standard commands that need libbe.so
 StdBinCommands
+	autologin.cpp
 	beep.cpp
 	catattr.cpp
 	checkfs.cpp

src/bin/autologin.cpp

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2015, Axel Dörfler, axeld@pinc-software.de.
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include <pwd.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include <LaunchRoster.h>
+
+
+int
+main()
+{
+	if (getuid() != 0)
+		return EXIT_FAILURE;
+
+	// TODO: This will obviously be done differently in a multi-user
+	// environment; we'll probably want to merge this with the standard
+	// login application then.
+	struct passwd* passwd = getpwuid(0);
+	if (passwd == NULL)
+		return EXIT_FAILURE;
+
+	status_t status = BLaunchRoster().StartSession(passwd->pw_name);
+	if (status != B_OK)
+		return EXIT_FAILURE;
+
+	return EXIT_SUCCESS;
+}