base-files: add support for staged sysupgrades from failsafe mode

[openwrt/openwrt.git] / package / base-files / files / lib / preinit / 99_10_failsafe_login

diff --git a/package/base-files/files/lib/preinit/99_10_failsafe_login b/package/base-files/files/lib/preinit/99_10_failsafe_login
index 3147cdc5a68a69cef6b1af6618a4e2367a143c2c..728c63b2e8aebf970cd7dff0d15518ccda83029c 100644 (file)
--- a/package/base-files/files/lib/preinit/99_10_failsafe_login
+++ b/package/base-files/files/lib/preinit/99_10_failsafe_login
@@ -8,10 +8,13 @@ failsafe_netlogin () {
 }
 
 failsafe_shell() {
-       lock /tmp/.failsafe
-       ash --login
-       echo "Please reboot system when done with failsafe network logins"
-       while true; do sleep 1; done
+       local console="$(sed -e 's/ /\n/g' /proc/cmdline | grep '^console=' | head -1 | sed -e 's/^console=//' -e 's/,.*//')"
+       [ -n "$console" ] || console=console
+       [ -c "/dev/$console" ] || return 0
+       while true; do
+               ash --login <"/dev/$console" >"/dev/$console" 2>"/dev/$console"
+               sleep 1
+       done &
 }
 
 boot_hook_add failsafe failsafe_netlogin