From cde4f5d316d8e74853df000bf6ef553533eaa966 Mon Sep 17 00:00:00 2001
From: Scott Ullrich <sullrich@pfsense.org>
Date: Tue, 7 Jul 2009 21:50:41 -0400
Subject: Add isvm() function which will return true if it detects that we are
 running in a virtualized environment

---
 etc/inc/pfsense-utils.inc | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

(limited to 'etc/inc/pfsense-utils.inc')

diff --git a/etc/inc/pfsense-utils.inc b/etc/inc/pfsense-utils.inc
index 3fa3abe..f0b016e 100644
--- a/etc/inc/pfsense-utils.inc
+++ b/etc/inc/pfsense-utils.inc
@@ -1649,4 +1649,21 @@ function load_glxsb() {
 	}
 }
 
+/****f* pfsense-utils/isvm
+ * NAME
+ *   isvm
+ * INPUTS
+ *	 none
+ * RESULT
+ *   returns true if machine is running under a virtual environment
+ ******/
+function isvm() {
+	$virtualenvs = array("vmware", "parallels", "qemu", "bochs", "plex86");
+	$bios_vendor = strtolower(`/bin/kenv | /usr/bin/grep "bios.vendor" | /usr/bin/cut -d"=" -f2`);
+	if(in_array($bios_vendor, $virtualenvs)) 
+		return true;
+	else
+		return false;
+}
+
 ?>
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