[PATCH 2/4 v6] kdump-lib: Add new lib to identify the ipv6 address or not

[Minfei Huang]

Add the new lib which checks the ip/domain which you give. Return true,
if the parameter is ipv6, otherwise return false.

Signed-off-by: Minfei Huang <mhuang(a)redhat.com&gt;
---
 kdump-lib.sh | 24 +++++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git a/kdump-lib.sh b/kdump-lib.sh
index b886c5d..acb085e 100755
--- a/kdump-lib.sh
+++ b/kdump-lib.sh
@@ -170,10 +170,26 @@ get_remote_host()
     echo $_config_val
 }
 
+get_ip_address()
+{
+    local _server=$1 _server_tmp
+
+    _server_tmp=$_server
+    _server=`getent ahosts $_server | head -n 1 | cut -d' ' -f1`
+    _server=${_server:-$_server_tmp}
+    echo $_server
+}
+
+is_ipv6_address()
+{
+    local _server=$(get_ip_address $1)
+    echo $_server | grep -q ":"
+}
+
 # check the remote server ip address tpye
 is_ipv6_target()
 {
-    local _server _server_tmp
+    local _server
 
     if is_ssh_dump_target; then
         _server=`get_option_value ssh`
@@ -183,8 +199,6 @@ is_ipv6_target()
 
     [ -z "$_server" ] && return 1
     _server=`get_remote_host $_server`
-    _server_tmp=$_server
-    _server=`getent ahosts $_server | head -n 1 | cut -d' ' -f1`
-    _server=${_server:-$_server_tmp}
-    echo $_server | grep -q ":"
+
+    echo $(get_ip_address $_server) | grep -q ":"
 }
-- 
1.8.3.1