From c3d81de59b3828c35bbab6973f2ab0777777cf51 Mon Sep 17 00:00:00 2001
From: Harald Hoyer <harald@redhat.com>
Date: Wed, 14 Mar 2012 16:19:53 +0100
Subject: [PATCH] remove openvt and use "setsid -c", if possible

---
 dracut.conf.d/fedora.conf.example |    2 +-
 modules.d/99base/dracut-lib.sh    |   21 ++++++++++++---------
 modules.d/99base/module-setup.sh  |    2 +-
 modules.d/99shutdown/shutdown.sh  |   21 ++++++++++++---------
 4 files changed, 26 insertions(+), 20 deletions(-)

diff --git a/dracut.conf.d/fedora.conf.example b/dracut.conf.d/fedora.conf.example
index efec77e..02a530e 100644
--- a/dracut.conf.d/fedora.conf.example
+++ b/dracut.conf.d/fedora.conf.example
@@ -7,4 +7,4 @@ omit_dracutmodules+=" dash "
 omit_drivers+=" .*/fs/ocfs/.* "
 stdloglvl=3
 realinitpath="/usr/lib/systemd/systemd"
-install_items+=" vi /etc/virc ps grep cat rm openvt "
+install_items+=" vi /etc/virc ps grep cat rm "
diff --git a/modules.d/99base/dracut-lib.sh b/modules.d/99base/dracut-lib.sh
index 80e093b..a6c4e24 100755
--- a/modules.d/99base/dracut-lib.sh
+++ b/modules.d/99base/dracut-lib.sh
@@ -803,16 +803,19 @@ emergency_shell()
         echo
         export PS1="$_rdshell_name:\${PWD}# "
         [ -e /.profile ] || >/.profile
-        _ctty=/dev/console
-        if [ -n "$(command -v setsid)" ]; then
-            _ctty="$(getarg rd.ctty=)" && _ctty="/dev/${_ctty##*/}"
-            [ -c "$_ctty" ] || _ctty=/dev/tty1
-            setsid sh -i -l 0<$_ctty 1>$_ctty 2>&1
-        elif [ -n "$(command -v openvt)" ] && ! getarg "console=" >/dev/null 2>&1 && getargbool 1 "rd.openvt" ; then
-            openvt -f -c 1 -w -s -l -- sh
-        else
-            sh -i -l 0<$_ctty 1>$_ctty 2>&1
+
+        _ctty="$(getarg rd.ctty=)" && _ctty="/dev/${_ctty##*/}"
+        if [ -z "$_ctty" ]; then
+            _ctty=console
+            while [ -f /sys/class/tty/$_ctty/active ]; do
+                _ctty=$(cat /sys/class/tty/$_ctty/active)
+                _ctty=${_ctty##* } # last one in the list
+            done
+            _ctty=/dev/$_ctty
         fi
+        [ -c "$_ctty" ] || _ctty=/dev/tty1
+        strstr "$(setsid --help)" "control" && CTTY="-c"
+        setsid $CTTY /bin/sh -i -l 0<$_ctty 1>$_ctty 2>&1
     else
         warn "Boot has failed. To debug this issue add \"rdshell\" to the kernel command line."
         # cause a kernel panic
diff --git a/modules.d/99base/module-setup.sh b/modules.d/99base/module-setup.sh
index 98742f5..581ba93 100755
--- a/modules.d/99base/module-setup.sh
+++ b/modules.d/99base/module-setup.sh
@@ -14,7 +14,7 @@ depends() {
 install() {
     local _d
     dracut_install mount mknod mkdir modprobe pidof sleep chroot \
-        sed ls flock cp mv dmesg rm ln rmmod mkfifo umount readlink
+        sed ls flock cp mv dmesg rm ln rmmod mkfifo umount readlink setsid
     dracut_install -o less
     if [ ! -e "${initdir}/bin/sh" ]; then
         dracut_install bash
diff --git a/modules.d/99shutdown/shutdown.sh b/modules.d/99shutdown/shutdown.sh
index 2576687..c8ca664 100755
--- a/modules.d/99shutdown/shutdown.sh
+++ b/modules.d/99shutdown/shutdown.sh
@@ -30,16 +30,19 @@ emergency_shell()
         echo
         export PS1="$_rdshell_name:\${PWD}# "
         [ -e /.profile ] || >/.profile
-        _ctty=/dev/console
-        if [ -n "$(command -v setsid)" ]; then
-            _ctty="$(getarg rd.ctty=)" && _ctty="/dev/${_ctty##*/}"
-            [ -c "$_ctty" ] || _ctty=/dev/tty1
-            setsid sh -i -l 0<$_ctty 1>$_ctty 2>&1
-        elif [ -n "$(command -v openvt)" ] && ! getarg "console=" >/dev/null 2>&1 && getargbool 1 "rd.openvt" ; then
-            openvt -f -c 1 -w -s -l -- sh
-        else
-            sh -i -l 0<$_ctty 1>$_ctty 2>&1
+
+        _ctty="$(getarg rd.ctty=)" && _ctty="/dev/${_ctty##*/}"
+        if [ -z "$_ctty" ]; then
+            _ctty=console
+            while [ -f /sys/class/tty/$_ctty/active ]; do
+                _ctty=$(cat /sys/class/tty/$_ctty/active)
+                _ctty=${_ctty##* } # last one in the list
+            done
+            _ctty=/dev/$_ctty
         fi
+        [ -c "$_ctty" ] || _ctty=/dev/tty1
+        strstr "$(setsid --help)" "control" && CTTY="-c"
+        setsid $CTTY /bin/sh -i -l 0<$_ctty 1>$_ctty 2>&1
     else
         exec /lib/systemd/systemd-shutdown "$@"
         warn "Shutdown has failed. To debug this issue add \"rdshell\" to the kernel command line."