From abcc4c5c72147a16b8710392112e4a07c3ed4b55 Mon Sep 17 00:00:00 2001
From: Roy Marples <roy@marples.name>
Date: Tue, 13 Jan 2009 11:02:00 +0000
Subject: [PATCH] Don't allow SYSVINIT parameters through anymore. RC_REBOOT is
 now yes when rebooting. Document the special reboot runlevel.

---
 man/rc.8         | 10 ++++++----
 src/rc/rc-misc.c |  3 +--
 src/rc/rc.c      |  8 ++++++--
 3 files changed, 13 insertions(+), 8 deletions(-)

diff --git a/man/rc.8 b/man/rc.8
index d4609eee..a2587042 100644
--- a/man/rc.8
+++ b/man/rc.8
@@ -1,4 +1,4 @@
-.\" Copyright 2007-2008 Roy Marples
+.\" Copyright 2007-2009 Roy Marples
 .\" All rights reserved
 .\"
 .\" Redistribution and use in source and binary forms, with or without
@@ -22,7 +22,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd November 03, 2008
+.Dd January 13, 2009
 .Dt RC 8 SMM
 .Os OpenRC
 .Sh NAME
@@ -65,8 +65,10 @@ All services in the boot and sysinit runlevels are automatically included
 in all other runlevels except for those listed here.
 .It Ar single
 Stops all services except for those in the sysinit runlevel.
+.It Ar reboot
+Changes to the shutdown runlevel and then reboots the host.
 .It Ar shutdown
-Changes to the single runlevel and then halts the host.
+Changes to the shutdown runlevel and then halts the host.
 .El
 .Pp
 You should not call any of these runlevels yourself.
@@ -81,4 +83,4 @@ and let them call these special runlevels.
 .Xr init 8 ,
 .Xr shutdown 8
 .Sh AUTHORS
-.An Roy Marples <roy@marples.name>
+.An Roy Marples Aq roy@marples.name
diff --git a/src/rc/rc-misc.c b/src/rc/rc-misc.c
index 58af1418..0d9511f3 100644
--- a/src/rc/rc-misc.c
+++ b/src/rc/rc-misc.c
@@ -112,11 +112,10 @@ rc_conf_yesno(const char *setting)
 }
 
 static const char *const env_whitelist[] = {
-	"PATH", "SHELL", "USER", "HOME", "TERM",
+	"CONSOLE", "PATH", "SHELL", "USER", "HOME", "TERM",
 	"LANG", "LC_CTYPE", "LC_NUMERIC", "LC_TIME", "LC_COLLATE",
 	"LC_MONETARY", "LC_MESSAGES", "LC_PAPER", "LC_NAME", "LC_ADDRESS",
 	"LC_TELEPHONE", "LC_MEASUREMENT", "LC_IDENTIFICATION", "LC_ALL",
-	"INIT_HALT", "INIT_VERSION", "RUNLEVEL", "PREVLEVEL", "CONSOLE",
 	"IN_HOTPLUG", "IN_BACKGROUND", "RC_INTERFACE_KEEP_CONFIG",
 	NULL
 };
diff --git a/src/rc/rc.c b/src/rc/rc.c
index b5459601..a7a7b8d8 100644
--- a/src/rc/rc.c
+++ b/src/rc/rc.c
@@ -842,10 +842,14 @@ main(int argc, char **argv)
 	}
 
 	newlevel = argv[optind++];
-	/* For compat with old system */
+	/* To make life easier, we only have the shutdown runlevel as
+	 * nothing really needs to know that we're rebooting.
+	 * But for those that do, you can test against RC_REBOOT. */
 	if (newlevel) {
-		if (strcmp(newlevel, "reboot") == 0)
+		if (strcmp(newlevel, "reboot") == 0) {
 			newlevel = UNCONST(RC_LEVEL_SHUTDOWN);
+			setenv("RC_REBOOT", "yes", 1);
+		}
 	}
 
 	/* Enable logging */