validation: Add option ipv4only option to host and hostport datatypes

Some applications only support ipv4 so add ipv4only option
to host and hostport datatypes so that for thos applications
that when an IP address is specified only and ipv4 ip address
gets accepted.

2 files changed, 15 insertions, 9 deletions

diff --git a/modules/luci-base/htdocs/luci-static/resources/cbi.js b/modules/luci-base/htdocs/luci-static/resources/cbi.js
index 19a1edec4c..1c4123bdad 100644
--- a/modules/luci-base/htdocs/luci-static/resources/cbi.js
+++ b/modules/luci-base/htdocs/luci-static/resources/cbi.js
@@ -139,10 +139,11 @@ var cbi_validators = {
 		return (this.match(/^([a-fA-F0-9]{2}:){5}[a-fA-F0-9]{2}$/) != null);
 	},
 
-	'host': function()
+	'host': function(ipv4only)
 	{
 		return cbi_validators.hostname.apply(this) ||
-			cbi_validators.ipaddr.apply(this);
+			((ipv4only != 1) && cbi_validators.ipaddr.apply(this)) ||
+			((ipv4only == 1) && cb_validators.ip4addr.apply(this));
 	},
 
 	'hostname': function()
@@ -161,12 +162,12 @@ var cbi_validators = {
 			cbi_validators.host.apply(this);
 	},
 
-	'hostport': function()
+	'hostport': function(ipv4only)
 	{
 		var hp = this.split(/:/);
 
 		if (hp.length == 2)
-			return (cbi_validators.host.apply(hp[0]) &&
+			return (cbi_validators.host.apply(hp[0], ipv4only) &&
 			        cbi_validators.port.apply(hp[1]));
 
 		return false;
diff --git a/modules/luci-base/luasrc/cbi/datatypes.lua b/modules/luci-base/luasrc/cbi/datatypes.lua
index 95d19d88e0..626ad91c75 100644
--- a/modules/luci-base/luasrc/cbi/datatypes.lua
+++ b/modules/luci-base/luasrc/cbi/datatypes.lua
@@ -176,17 +176,22 @@ function hostname(val)
 	return false
 end
 
-function host(val)
-	return hostname(val) or ipaddr(val)
+function host(val, ipv4only)
+	return hostname(val) or ((ipv4only == 1) and ip4addr(val)) or ((not (ipv4only == 1)) and ipaddr(val))
 end
 
 function network(val)
 	return uciname(val) or host(val)
 end
 
-function hostport(val)
+function hostport(val, ipv4only)
 	local h, p = val:match("^([^:]+):([^:]+)$")
-	return not not (h and p and host(h) and port(p))
+	return not not (h and p and host(h, ipv4only) and port(p))
+end
+
+function ip4addrport(val, bracket)
+	local h, p = val:match("^([^:]+):([^:]+)$")
+	return (h and p and ip4addr(h) and port(p))
 end
 
 function ip4addrport(val)
@@ -199,7 +204,7 @@ function ipaddrport(val, bracket)
 	if (h and p and ip4addr(h) and port(p)) then
 		return true
 	elseif (bracket == 1) then
-		h, p = val:match("^(%[.+%]):([^:]+)$")
+		h, p = val:match("^%[(.+)%]:([^:]+)$")
 		if  (h and p and ip6addr(h) and port(p)) then
 			return true
 		end