$NetBSD: patch-ad,v 1.5 2023/10/17 19:24:04 triaxx Exp $

- Add NetBSD to the list of OS's
- Handle a false positive for NetBSD's netstat

--- chkrootkit.orig	2009-07-30 14:10:54.000000000 +0000
+++ chkrootkit
@@ -528,7 +528,7 @@ ${ROOTDIR}/usr/include/syslogs.h ${ROOTD
 
 
        ### OpenBSD rootkit v1
-       if [ \( "$SYSTEM" != "SunOS" -a ${SYSTEM} != "Linux" \) -a ! -f /usr/lib/security/libgcj.security ]
+       if [ "$SYSTEM" != "SunOS" -a "$SYSTEM" != "Linux" -a "$SYSTEM" != "NetBSD" -a ! -f /usr/lib/security/libgcj.security ]
           then
           expertmode_output "${find} ${ROOTDIR}usr/lib/security"
        fi
@@ -1010,7 +1010,7 @@ ${find} ${ROOTDIR}usr/sbin -name in.slog
    fi
 
    ### OpenBSD rootkit v1
-   if [ \( "${SYSTEM}" != "SunOS" -a ${SYSTEM} != "Linux" \) -a ! -f ${ROOTDIR}usr/lib/security/libgcj.security ]; then
+   if [ "$SYSTEM" != "SunOS" -a "$SYSTEM" != "Linux" -a "$SYSTEM" != "NetBSD" -a ! -f /usr/lib/security/libgcj.security ]; then
       files=""
       if [ "${QUIET}" != "t" ];then printn "Searching for OBSD rk v1... "; fi
       files=`${find} ${ROOTDIR}usr/lib/security 2>/dev/null`
@@ -1876,7 +1876,13 @@
 
 chk_netstat () {
     STATUS=${NOT_INFECTED}
-NETSTAT_I_L="/dev/hdl0/dev/xdta|/dev/ttyoa|/dev/pty[pqrsx]|/dev/cui|/dev/hdn0|/dev/cui221|/dev/dszy|/dev/ddth3|/dev/caca|^/prof|/dev/tux|grep|addr\.h|__bzero"
+NETSTAT_I_L="/dev/hdl0/dev/xdta|/dev/ttyoa|/dev/pty[pqrsx]|/dev/cui|/dev/hdn0|/dev/cui221|/dev/dszy|/dev/ddth3|/dev/caca|^/prof|/dev/tux|addr\.h|__bzero"
+
+    case "${SYSTEM}"  in
+    NetBSD)	;;	# NetBSD contains "mobile_regreply"
+    *)	NETSTAT_I_L="${NETSTAT_I_L}|grep";;
+    esac
+
     CMD=`loc netstat netstat $pth`
 
     if [ "${EXPERT}" = "t" ]; then