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-rw-r--r--modules/luci-base/htdocs/luci-static/resources/cbi.js7
-rw-r--r--modules/luci-base/luasrc/cbi/datatypes.lua4
2 files changed, 6 insertions, 5 deletions
diff --git a/modules/luci-base/htdocs/luci-static/resources/cbi.js b/modules/luci-base/htdocs/luci-static/resources/cbi.js
index d40ec34bc..6c35372cd 100644
--- a/modules/luci-base/htdocs/luci-static/resources/cbi.js
+++ b/modules/luci-base/htdocs/luci-static/resources/cbi.js
@@ -218,12 +218,13 @@ var cbi_validators = {
((ipv4only == 1) && cbi_validators.ip4addr.apply(this));
},
- 'hostname': function()
+ 'hostname': function(strict)
{
if (this.length <= 253)
- return (this.match(/^[a-zA-Z0-9]+$/) != null ||
+ return (this.match(/^[a-zA-Z0-9_]+$/) != null ||
(this.match(/^[a-zA-Z0-9_][a-zA-Z0-9_\-.]*[a-zA-Z0-9]$/) &&
- this.match(/[^0-9.]/)));
+ this.match(/[^0-9.]/))) &&
+ (!strict || !this.match(/^_/));
return false;
},
diff --git a/modules/luci-base/luasrc/cbi/datatypes.lua b/modules/luci-base/luasrc/cbi/datatypes.lua
index 55cdf8a74..99113e0b7 100644
--- a/modules/luci-base/luasrc/cbi/datatypes.lua
+++ b/modules/luci-base/luasrc/cbi/datatypes.lua
@@ -199,13 +199,13 @@ function macaddr(val)
return ip.checkmac(val) and true or false
end
-function hostname(val)
+function hostname(val, strict)
if val and (#val < 254) and (
val:match("^[a-zA-Z_]+$") or
(val:match("^[a-zA-Z0-9_][a-zA-Z0-9_%-%.]*[a-zA-Z0-9]$") and
val:match("[^0-9%.]"))
) then
- return true
+ return (not strict or not val:match("^_"))
end
return false
end