From e9a80817647b5ac556519822251abd0346b6d468 Mon Sep 17 00:00:00 2001
From: dir <dir@ableton.com>
Date: Tue, 2 Jan 2018 18:10:24 +0100
Subject: Add simple autologin program to be started by getty

@upstream
---
 package/autologin/Makefile              | 33 +++++++++++++++++++++++++++++++++
 package/autologin/src/autologin.c       | 10 ++++++++++
 package/base-files/Makefile             |  7 +++++++
 package/base-files/files/inittab.serial |  2 +-
 target/config/Config.in.runtime         |  5 +++++
 5 files changed, 56 insertions(+), 1 deletion(-)
 create mode 100644 package/autologin/Makefile
 create mode 100644 package/autologin/src/autologin.c

diff --git a/package/autologin/Makefile b/package/autologin/Makefile
new file mode 100644
index 000000000..cc6fdb66a
--- /dev/null
+++ b/package/autologin/Makefile
@@ -0,0 +1,33 @@
+# This file is part of the OpenADK project. OpenADK is copyrighted
+# material, please see the LICENCE file in the top-level directory.
+
+include $(ADK_TOPDIR)/rules.mk
+
+PKG_NAME:=		autologin
+PKG_VERSION:=		1.0
+PKG_RELEASE:=		1
+PKG_DESCR:=		tool to automatically login a user with getty
+PKG_SECTION:=		sys/misc
+
+PKG_NOPARALLEL:=	1
+NO_DISTFILES:=		1
+
+include $(ADK_TOPDIR)/mk/package.mk
+
+$(eval $(call PKG_template,AUTOLOGIN,autologin,$(PKG_VERSION)-${PKG_RELEASE},${PKG_DEPENDS},${PKG_DESCR},${PKG_SECTION}))
+
+CONFIG_STYLE:=          manual
+BUILD_STYLE:=		manual
+INSTALL_STYLE:=         manual
+
+TARGET_CPPFLAGS+=	-I../autologin
+TARGET_CPPFLAGS+=	-D_GNU_SOURCE
+
+do-build:
+	$(CC) src/autologin.c -o $(WRKBUILD)/autologin
+
+autologin-install:
+	$(INSTALL_DIR) $(IDIR_AUTOLOGIN)/bin
+	$(INSTALL_BIN) $(WRKBUILD)/autologin $(IDIR_AUTOLOGIN)/bin
+
+include ${ADK_TOPDIR}/mk/pkg-bottom.mk
diff --git a/package/autologin/src/autologin.c b/package/autologin/src/autologin.c
new file mode 100644
index 000000000..14c7eeb56
--- /dev/null
+++ b/package/autologin/src/autologin.c
@@ -0,0 +1,10 @@
+// This file is part of the OpenADK project. OpenADK is copyrighted
+// material, please see the LICENCE file in the top-level directory.
+
+#include <unistd.h>
+#include <stdio.h>
+
+int main()
+{
+  return execlp("login\0","login\0","-f\0", "root\0" ,0);
+}
diff --git a/package/base-files/Makefile b/package/base-files/Makefile
index 8a8a26e5e..e9dd3d9cc 100644
--- a/package/base-files/Makefile
+++ b/package/base-files/Makefile
@@ -27,6 +27,12 @@ else
 ADK_RUNTIME_DEV_MDEV_LOGGING_LINE:=''
 endif
 
+ifeq ($(ADK_RUNTIME_GETTY_SERIAL_AUTOLOGIN),y)
+ADK_RUNTIME_GETTY_SERIAL_AUTOLOGIN_STANZA:= -n -l autologin
+else
+ADK_RUNTIME_GETTY_SERIAL_AUTOLOGIN_STANZA:=
+endif
+
 do-install:
 	$(CP) ./src/* $(IDIR_BASE_FILES)
 	mkdir -p $(IDIR_BASE_FILES)/{etc,dev,boot,root,sys,proc,tmp,run,var,mnt,media}
@@ -83,6 +89,7 @@ endif
 	    cat ./files/inittab.serial >> $(IDIR_BASE_FILES)/etc/inittab
 	$(SED) 's#@DEVICE@#$(ADK_RUNTIME_CONSOLE_SERIAL_DEVICE)#g' $(IDIR_BASE_FILES)/etc/inittab
 	$(SED) 's#@SPEED@#$(ADK_RUNTIME_CONSOLE_SERIAL_SPEED)#' $(IDIR_BASE_FILES)/etc/inittab
+	$(SED) 's#@AUTOLOGIN@#$(ADK_RUNTIME_GETTY_SERIAL_AUTOLOGIN_STANZA)#' $(IDIR_BASE_FILES)/etc/inittab
 endif
 ifeq ($(ADK_RUNTIME_INIT_SYSVINIT),y)
 	cp ./files/inittab.sysvinit $(IDIR_BASE_FILES)/etc/inittab
diff --git a/package/base-files/files/inittab.serial b/package/base-files/files/inittab.serial
index dcb09e438..ef31f1599 100644
--- a/package/base-files/files/inittab.serial
+++ b/package/base-files/files/inittab.serial
@@ -1 +1 @@
-@DEVICE@::respawn:/sbin/getty -i -L @DEVICE@ @SPEED@ vt100
+@DEVICE@::respawn:/sbin/getty -i -L @DEVICE@ @SPEED@ vt100 @AUTOLOGIN@
diff --git a/target/config/Config.in.runtime b/target/config/Config.in.runtime
index 35f65b48d..7697bcaf9 100644
--- a/target/config/Config.in.runtime
+++ b/target/config/Config.in.runtime
@@ -367,6 +367,11 @@ config ADK_RUNTIME_GETTY_SERIAL
 	help
 	  Start getty on serial console.
 
+config ADK_RUNTIME_GETTY_SERIAL_AUTOLOGIN
+       bool "run autologin on serial getty"
+       depends on ADK_RUNTIME_GETTY_SERIAL
+       select ADK_PACKAGE_AUTOLOGIN
+
 config ADK_RUNTIME_CONSOLE_VGA_DEVICE
 	string "VGA console device"
 	depends on ADK_TARGET_WITH_VGA || ADK_TARGET_GENERIC
-- 
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