Add variables referred by util-linux login, runuser and su, but not by
shadow.

Delete variables used by shadow implementation of login, su and runuser
that has no use in util-linux implementation.

Index: etc/login.defs
===================================================================
--- etc/login.defs.orig
+++ etc/login.defs
@@ -1,5 +1,7 @@
 #
 # /etc/login.defs - Configuration control definitions for the shadow package.
+# Some variables are used by login(1), su(1) and runuser(1) from util-linux
+# package as well pam pam_unix(8) from pam package.
 #
 #	$Id$
 #
@@ -17,9 +19,8 @@ FAIL_DELAY		3
 LOG_UNKFAIL_ENAB	no
 
 #
-# Enable logging of successful logins
+# Enable "syslog" logging of  newgrp(1) and sg(1) activity.
 #
-LOG_OK_LOGINS		no
 
 #
 # Limit the highest user ID number for which the lastlog entries should
@@ -72,12 +73,33 @@ MOTD_FILE	/etc/motd
 HUSHLOGIN_FILE	.hushlogin
 #HUSHLOGIN_FILE	/etc/hushlogins
 
+# If this variable is set to "yes", hostname will be suppressed in the
+# login: prompt.
+#LOGIN_PLAIN_PROMPT	no
+
 #
 # *REQUIRED*  The default PATH settings, for superuser and normal users.
 #
 # (they are minimal, add the rest in the shell startup files)
-ENV_SUPATH	PATH=/sbin:/bin:/usr/sbin:/usr/bin
-ENV_PATH	PATH=/bin:/usr/bin
+#
+# ENV_PATH: The default PATH settings for non-root.
+#
+# ENV_ROOTPATH: The default PATH settings for root
+# (used by login, su and runuser).
+#
+# ENV_SUPATH is an ENV_ROOTPATH override for su and runuser
+# (and falback for login).
+#
+ENV_PATH	/bin:/usr/bin
+ENV_ROOTPATH	/sbin:/bin:/usr/sbin:/usr/bin
+#ENV_SUPATH	/sbin:/bin:/usr/sbin:/usr/bin
+
+# If this variable is set to "yes", su will always set path. every su
+# call will overwrite the PATH variable.
+#
+# Per default, only "su -" will set a new PATH.
+#
+ALWAYS_SET_PATH	no
 
 #
 # Terminal permissions
@@ -93,19 +115,6 @@ ENV_PATH	PATH=/bin:/usr/bin
 TTYGROUP	tty
 TTYPERM		0600
 
-#
-# Login configuration initializations:
-#
-#	ERASECHAR	Terminal ERASE character ('\010' = backspace).
-#	KILLCHAR	Terminal KILL character ('\025' = CTRL/U).
-#
-# The ERASECHAR and KILLCHAR are used only on System V machines.
-#
-# Prefix these values with "0" to get octal, "0x" to get hexadecimal.
-#
-ERASECHAR	0177
-KILLCHAR	025
-
 # Default initial "umask" value used by login(1) on non-PAM enabled systems.
 # Default "umask" value for pam_umask(8) on PAM enabled systems.
 # UMASK is also used by useradd(8) and newusers(8) to set the mode for new
Index: lib/getdef.c
===================================================================
--- lib/getdef.c.orig
+++ lib/getdef.c
@@ -80,6 +80,7 @@ struct itemdef {
 
 #define NUMDEFS	(sizeof(def_table)/sizeof(def_table[0]))
 static struct itemdef def_table[] = {
+	{"ALWAYS_SET_PATH", NULL},
 	{"CHARACTER_CLASS", NULL},
 	{"CHFN_RESTRICT", NULL},
 	{"CONSOLE_GROUPS", NULL},
@@ -88,6 +89,7 @@ static struct itemdef def_table[] = {
 	{"DEFAULT_HOME", NULL},
 	{"ENCRYPT_METHOD", NULL},
 	{"ENV_PATH", NULL},
+	{"ENV_ROOTPATH", NULL},
 	{"ENV_SUPATH", NULL},
 	{"ERASECHAR", NULL},
 	{"FAIL_DELAY", NULL},
@@ -98,6 +100,7 @@ static struct itemdef def_table[] = {
 	{"KILLCHAR", NULL},
 	{"LASTLOG_UID_MAX", NULL},
 	{"LOGIN_RETRIES", NULL},
+	{"LOGIN_PLAIN_PROMPT", NULL},
 	{"LOGIN_TIMEOUT", NULL},
 	{"LOG_OK_LOGINS", NULL},
 	{"LOG_UNKFAIL_ENAB", NULL},