From 6e9d16809ec15a628920c0a3d7b6221aaf6aa895 Mon Sep 17 00:00:00 2001
From: Sven Nierlein <Sven.Nierlein@consol.de>
Date: Tue, 17 Sep 2013 19:56:55 +0200
Subject: check_dhcp: fix mac address and interface number detection on solaris

newer (or x86) solaris implementations have interface names like e1000g0
which includes numbers. So we reverse the interface number detection to
get the last number, instead of the first number.

diff --git a/plugins-root/check_dhcp.c b/plugins-root/check_dhcp.c
index b02ee49..42eedec 100644
--- a/plugins-root/check_dhcp.c
+++ b/plugins-root/check_dhcp.c
@@ -372,11 +372,16 @@ int get_hardware_address(int sock,char *interface_name){
 	char *p;
 	int unit;
 
-	for(p = interface_name; *p && isalpha(*p); p++)
-		/* no-op */ ;
-	if( p != '\0' ){
+    /* get last number from interfacename, eg lnc0, e1000g0*/
+    int i;
+    p = interface_name + strlen(interface_name) -1;
+	for(i = strlen(interface_name) -1; i > 0; p--) {
+		if(isalpha(*p))
+            break;
+    }
+    p++;
+	if( p != interface_name ){
 		unit = atoi(p) ;
-		*p = '\0' ;
 		strncat(dev, interface_name, 6) ;
 		}
 	else{
-- 
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