1 files changed, 36 insertions, 0 deletions
diff --git a/meta/recipes-extended/shadow/shadow-securetty_4.2.1.bb b/meta/recipes-extended/shadow/shadow-securetty_4.2.1.bb
new file mode 100644
index 0000000000..0e0410043b
--- /dev/null
+++ b/meta/recipes-extended/shadow/shadow-securetty_4.2.1.bb
@@ -0,0 +1,36 @@
+SUMMARY = "Provider of the machine specific securetty file"
+SECTION = "base utils"
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://${COREBASE}/meta/COPYING.MIT;md5=3da9cfbcb788c80a0384361b4de20420"
+
+INHIBIT_DEFAULT_DEPS = "1"
+
+PR = "r3"
+
+SRC_URI = "file://securetty"
+
+# Since SERIAL_CONSOLES is likely to be set from the machine configuration
+PACKAGE_ARCH = "${MACHINE_ARCH}"
+
+do_install () {
+	# Ensure we add a suitable securetty file to the package that has
+	# most common embedded TTYs defined.
+	install -d ${D}${sysconfdir}
+	install -m 0400 ${WORKDIR}/securetty ${D}${sysconfdir}/securetty
+	if [ ! -z "${SERIAL_CONSOLES}" ]; then
+		# Our SERIAL_CONSOLES contains a baud rate and sometimes extra
+		# options as well. The following pearl :) takes that and converts
+		# it into newline-separated tty's and appends them into
+		# securetty. So if a machine has a weird looking console device
+		# node (e.g. ttyAMA0) that securetty does not know, it will get
+		# appended to securetty and root logins will be allowed on that
+		# console.
+		tmp="${SERIAL_CONSOLES}"
+		for entry in $tmp ; do
+			ttydev=`echo "$entry" | sed -e 's/^[0-9]*\;//' -e 's/\;.*//'`
+			if ! grep -q $ttydev ${D}${sysconfdir}/securetty; then
+				echo $ttydev >> ${D}${sysconfdir}/securetty
+			fi
+		done
+	fi
+}