/* using prototype.js */
-/* disable/enable input fields according to the selected method */
-function updateMethodFields() {
- var method=$('method');
- var index = method.selectedIndex;
- var selectedText = method[index].text;
-
- var is_static = selectedText == 'Static';
- var is_tap = selectedText == 'TUN/TAP';
-
- $('netmask').disabled= !is_static;
- $('network').disabled= !is_static;
- $('gateway').disabled= !is_static && !is_tap;
- $('broadcast').disabled= !is_static;
- $('dns1').disabled= !is_static;
- $('dns2').disabled= !is_static;
-}
-
-/* updates broadcast & network from IP and netmask, as long as they are reasonably set */
-
+////////////////////
+// basic IP arithmetic
/* a is assumed to be a 4-items array text.split('.') */
function arr_to_int (as) {
/*a=as.map(parseInt);*/
// input is the user-typed text
// return the number of bits in the mask (like 24 for a /24) or -1 if the mask is wrong
-function get_masklen (nm) {
- var a = nm.split('.');
- if ( 4 != a.length ) return -1;
+function get_masklen (netmask) {
+ var a = netmask.split('.');
+ if ( IPCheckerAtom (netmask,'netmask')) return -1;
var n = arr_to_int (a);
var bits = int_to_bits (n);
var masklen=0;
return (n == n_mask) ? masklen : -1;
}
-
// returns network and broadcast from ip and masklen
function get_derived (n,masklen) {
var n_mask = mask(masklen);
return (n1&mask(masklen)) == (n2 & mask(masklen));
}
-function networkHelper () {
- window.console.log('networkHelper');
- var ip=$('ip').value;
- var nm=$('netmask').value;
-
- var ip_a = ip.split('.');
- var nm_a = ip.split('.');
-
- /* don't trigger if the input does not make sense */
- if (ip_a.length != 4) return;
- if (ip_a[3] == "") return;
- if (nm_a.length != 4) return;
- if (nm_a[3] == "") return;
+//////////////////// basic chackers
+function IPCheckerAtom (ip,id) {
+ if ( ! ip ) return "Empty field " + id;
+ ip_a = ip.split('.');
+ if ( ip_a.length != 4) return "Invalid IP (" + id + ") "+ ip;
+ for (var i=0; i<4; i++) if (ip_a[i]<0 || ip_a[i]>256) return "Invalid IP (" + id + ") "+ ip;
+ return "";
+}
- /*check netmask*/
- var masklen=get_masklen (nm);
- if (masklen < 0) return;
-
- var ip_n=arr_to_int(ip_a);
- var derived = get_derived(ip_n,masklen);
-
- $('network').value=derived[0];
- $('broadcast').value=derived[1];
+function IPCheckerSilent (id) { return IPCheckerAtom ( $(id).value, id); }
+
+function netmaskCheckerSilent (id) {
+ var netmask=$(id).value;
+ var check_ip = IPCheckerAtom (netmask,'netmask');
+ if (check_ip) return check_ip;
+ var masklen = get_masklen (netmask);
+ if (masklen <= 0) return "Invalid netmask " + netmask;
+ return "";
}
-/* check one */
-function subnetChecker (id, optional) {
- var error= subnetCheckerSilent([id,optional]);
+// focus on the field to check, other ones checked already
+function subnetChecker(id, optional) {
+ var error= subnetCheckerSilent($(id).value);
if (error) {
Form.Element.focus($(id));
alert(error);
}
}
-function subnetCheckerSilent (args) {
-
- id=args[0];
- optional=args[1];
+function subnetCheckerSilent (id, optional) {
- var ip2=$(id).value;
- if (optional && (ip2=="")) return "";
- if ( ip2.split(".").length != 4) return "Inconsistent value for " + id;
+ var subnet=$(id).value;
+ // skip this field if optional
+ if (optional && (subnet=="")) return "";
+ var check_ip = IPCheckerAtom (subnet,id);
+ if (check_ip) return check_ip;
var masklen = get_masklen ($('netmask').value);
- if (masklen < 0) return "Inconsistent netmask";
+ if (masklen < 0) return "Could not check " + id;
var ip=$('ip').value;
- if ( ip.split(".").length != 4) return "Inconsistent IP";
- if ( ! same_subnet (ip,ip2,masklen) )
- return id + ' ' + ip2 + ' is not in the /' + masklen + ' subnet range';
+ if ( ! same_subnet (ip,subnet,masklen) )
+ return id + ' ' + subnet + ' is not in the /' + masklen + ' subnet range';
return "";
}
+function macChecker(id, optional) {
+ var error= macCheckerSilent($(id).value);
+ if (error) {
+ Form.Element.focus($(id));
+ alert(error);
+ }
+}
+
+function macCheckerSilent(macAdd) {
+ var RegExPattern = /^[0-9a-fA-F:]+$/;
+
+ if (!(macAdd.match(RegExPattern)) || macAdd.length != 17) {
+ return "Invalid MAC Address";
+ } else {
+ return "";
+ }
+}
+
+////////////////////
+// updates broadcast & network from IP and netmask, as long as they are reasonably set
+function networkHelper () {
+ var ip=$('ip').value;
+ var netmask=$('netmask').value;
+
+ /* don't trigger if the input does not make sense */
+ if (IPCheckerAtom (ip,'ip')) return;
+ if (IPCheckerAtom (netmask,'netmask')) return;
+
+ /*check netmask*/
+ var masklen=get_masklen (netmask);
+ if (masklen <= 0) return;
+
+ var ip_a = ip.split('.');
+ var ip_n=arr_to_int(ip_a);
+ var derived = get_derived(ip_n,masklen);
+
+ $('network').value=derived[0];
+ $('broadcast').value=derived[1];
+}
+
+// disable/enable input fields according to the selected method
+function updateMethodFields() {
+ var method=$('method');
+ var index = method.selectedIndex;
+ var selectedText = method[index].text;
+ var is_static = selectedText == 'Static';
+ var is_tap = selectedText == 'TUN/TAP';
+
+ $('netmask').disabled= !is_static;
+ $('network').disabled= !is_static;
+ $('gateway').disabled= !is_static && !is_tap;
+ $('broadcast').disabled= !is_static;
+ $('dns1').disabled= !is_static;
+ $('dns2').disabled= !is_static;
+}
+
+// check inputs and prevent submit in case s/t is wrong
function interfaceSubmit () {
- alert ('submitting');
- // get error strings, and remove the empty ones
- // dns2 is optional
- var errors=['gateway','dns1','dns2'].zip ([true,true,false],subnetCheckerSilent).reject( function (s) {return s.length==0;} );
- if ( ! errors.length)
- $('ip').up('form').submit();
- else
- alert(errors.join("\n"));
+
+ var method=$('method');
+ var index = method.selectedIndex;
+ var selectedText = method[index].text;
+ var is_static = selectedText == 'Static';
+ var is_tap = selectedText == 'TUN/TAP';
+
+ var errors="";
+ var counter=0;
+ var error;
+ error = IPCheckerSilent ('ip'); if (error) errors += error + "\n" ;
+ if ( ! $('netmask').disabled ) { error = netmaskCheckerSilent ('netmask'); if (error) errors += error + "\n" ; }
+ if ( ! $('network').disabled ) { error = IPCheckerSilent ('network'); if (error) errors += error + "\n" ; }
+ if ( ! $('gateway').disabled ) { error = subnetCheckerSilent ('gateway',false); if (error) errors += error + "\n" ; }
+ if ( ! $('broadcast').disabled ) { error = subnetCheckerSilent ('broadcast',false); if (error) errors += error + "\n" ; }
+
+ if ( ! errors.length) {
+ return true;
+ } else {
+ alert("-- Cannot create interface --\n" + errors);
+ return false;
+ }
}
+
+function updateVirtualArea () {
+ var is_virtual=$('virtual').checked;
+ $('ifname').disabled = ! is_virtual;
+ $('alias').disabled = ! is_virtual;
+}
+
+Event.observe(window, 'load', updateMethodFields);
+Event.observe(window, 'load', updateVirtualArea);
git://git.onelab.eu / plewww.git / blobdiff