From aff7c030672d174106f73e68730e9ff98cc364e9 Mon Sep 17 00:00:00 2001
From: Ivan Rako <Ivan.Rako@CARNet.hr>
Date: Tue, 23 Oct 2007 10:09:58 +0000
Subject: [PATCH] r106:

---
 functions.sh |   44 +++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 41 insertions(+), 3 deletions(-)

diff --git a/functions.sh b/functions.sh
index 2ab04ff..851be62 100644
--- a/functions.sh
+++ b/functions.sh
@@ -151,7 +151,7 @@ cp_get_netaddr() {
   if [ "$netmask" = "255.255.255.255" ]; then
     cidr="$ipaddress/32"
   else 
-    cidr="`ipcalc -ncb $ipaddress $netmask | awk '/^Network:/{print $2}'`"
+    cidr="`ipcalc -nb $ipaddress $netmask | awk '/^Network:/{print $2}'`"
   fi
   
   RET="$cidr"
@@ -476,8 +476,46 @@ cp_get_ldap_realm() {
   RET="`echo $RET | awk -F, '{print $1}' | awk -F= '{print $2}'`"
 
   [ -z "$RET" ] && echo "cp_get_ldap_realm: No LDAP REALM in /etc/ldap/slapd.conf" >&2
-  [ -z "$echo_return" ] || echo $RET
-  CP_ECHO_RETURN="$echo_return"
+}
+
+# if fqdn is name.dom3.dom2.dom1.hr, check if this host is MX for
+# either dom3.dom2.dom1.hr, dom2.dom1.hr or dom1.hr and dump highest level
+# domain on stdout
+cp_get_mx_domain() {
+  [ "$CP_SCRIPT_DEBUG" ] && set -vx
+
+  local domains d host
+
+  host=$(hostname -f)
+  RET="$host"
+  if ! echo "$host" | grep -q '\.'; then
+    return
+  fi
+  if [ ! -x /usr/bin/host ]; then
+    # no host command
+    return
+  fi
+  domains=$(/bin/hostname -f | awk -F. '
+    {
+      for (i=2; i<NF; i++) { 
+        for (j=i; j<NF; j++) {
+          printf "%s", $(j)"."
+        };
+        print $NF
+      }
+    }'	  )
+  for d in $domains
+  do
+    mxes=$(/usr/bin/host -t mx $d)
+    # handle output of both /usr/bin/host providers
+    mxes=$(echo "$mxes"|\
+           awk '/mail is handled by/ || /MX/ {print $NF}'|sed 's/\.$//')
+    if echo "$mxes" |egrep -q "^$host$"; then
+      RET="$d"
+    fi
+  done
+
+  [ -z "$CP_ECHO_RETURN" ] || echo "$RET"
 }
 
 _cp_customize() {
-- 
1.7.10.4