--- /dev/null
+--[[
+LuCI - Lua Configuration Interface
+
+Copyright 2014 Nikos Mavrogiannopoulos <n.mavrogiannopoulos@gmail.com>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+]]--
+
+local fs = require "nixio.fs"
+local has_ipv6 = fs.access("/proc/net/ipv6_route")
+
+m = Map("ocserv", translate("OpenConnect VPN"))
+
+s = m:section(TypedSection, "ocserv", "OpenConnect")
+s.anonymous = true
+
+s:tab("general", translate("General Settings"))
+s:tab("ca", translate("CA certificate"))
+s:tab("template", translate("Edit Template"))
+
+local e = s:taboption("general", Flag, "enable", translate("Enable server"))
+e.rmempty = false
+e.default = "1"
+
+local o_sha = s:taboption("general", DummyValue, "sha_hash", translate("Server's certificate SHA1 hash"),
+ translate("That value should be communicated to the client to verify the server's certificate"))
+local o_pki = s:taboption("general", DummyValue, "pkid", translate("Server's Public Key ID"),
+ translate("An alternative value to be communicated to the client to verify the server's certificate; this value only depends on the public key"))
+
+local fd = io.popen("/usr/bin/certtool -i --infile /etc/ocserv/server-cert.pem", "r")
+if fd then local ln
+ local found_sha = false
+ local found_pki = false
+ local complete = 0
+ while complete < 2 do
+ local ln = fd:read("*l")
+ if not ln then
+ break
+ elseif ln:match("SHA%-?1 fingerprint:") then
+ found_sha = true
+ elseif found_sha then
+ local hash = ln:match("([a-f0-9]+)")
+ o_sha.default = hash and hash:upper()
+ complete = complete + 1
+ found_sha = false
+ elseif ln:match("Public Key I[Dd]:") then
+ found_pki = true
+ elseif found_pki then
+ local hash = ln:match("([a-f0-9]+)")
+ o_pki.default = hash and hash:upper()
+ complete = complete + 1
+ found_pki = false
+ end
+ end
+ fd:close()
+end
+
+function m.on_commit(map)
+ luci.sys.call("/usr/bin/occtl reload >/dev/null 2>&1")
+end
+
+function e.write(self, section, value)
+ if value == "0" then
+ luci.sys.call("/etc/init.d/ocserv stop >/dev/null 2>&1")
+ luci.sys.call("/etc/init.d/ocserv disable >/dev/null 2>&1")
+ else
+ luci.sys.call("/etc/init.d/ocserv enable >/dev/null 2>&1")
+ luci.sys.call("/etc/init.d/ocserv restart >/dev/null 2>&1")
+ end
+ Flag.write(self, section, value)
+end
+
+local o
+
+o = s:taboption("general", ListValue, "auth", translate("User Authentication"),
+ translate("The authentication method for the users. The simplest is plain with a single username-password pair. Use PAM modules to authenticate using another server (e.g., LDAP, Radius)."))
+o.rmempty = false
+o.default = "plain"
+o:value("plain")
+o:value("PAM")
+
+o = s:taboption("general", Value, "zone", translate("Firewall Zone"),
+ translate("The firewall zone that the VPN clients will be set to"))
+o.nocreate = true
+o.default = "lan"
+o.template = "cbi/firewall_zonelist"
+
+s:taboption("general", Value, "port", translate("Port"),
+ translate("The same UDP and TCP ports will be used"))
+s:taboption("general", Value, "max_clients", translate("Max clients"))
+s:taboption("general", Value, "max_same", translate("Max same clients"))
+s:taboption("general", Value, "dpd", translate("Dead peer detection time (secs)"))
+
+local pip = s:taboption("general", Flag, "predictable_ips", translate("Predictable IPs"),
+ translate("The assigned IPs will be selected deterministically"))
+pip.default = "1"
+
+local udp = s:taboption("general", Flag, "udp", translate("Enable UDP"),
+ translate("Enable UDP channel support; this must be enabled unless you know what you are doing"))
+udp.default = "1"
+
+local cisco = s:taboption("general", Flag, "cisco_compat", translate("AnyConnect client compatibility"),
+ translate("Enable support for CISCO AnyConnect clients"))
+cisco.default = "1"
+
+ipaddr = s:taboption("general", Value, "ipaddr", translate("VPN <abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Network-Address"))
+ipaddr.datatype = "ip4addr"
+ipaddr.default = "192.168.100.1"
+
+nm = s:taboption("general", Value, "netmask", translate("VPN <abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Netmask"))
+nm.datatype = "ip4addr"
+nm.default = "255.255.255.0"
+nm:value("255.255.255.0")
+nm:value("255.255.0.0")
+nm:value("255.0.0.0")
+
+if has_ipv6 then
+ ip6addr = s:taboption("general", Value, "ip6addr", translate("VPN <abbr title=\"Internet Protocol Version 6\">IPv6</abbr>-Network-Address"), translate("<abbr title=\"Classless Inter-Domain Routing\">CIDR</abbr>-Notation: address/prefix"))
+ ip6addr.datatype = "ip6addr"
+end
+
+
+tmpl = s:taboption("template", Value, "_tmpl",
+ translate("Edit the template that is used for generating the ocserv configuration."))
+
+tmpl.template = "cbi/tvalue"
+tmpl.rows = 20
+
+function tmpl.cfgvalue(self, section)
+ return nixio.fs.readfile("/etc/ocserv/ocserv.conf.template")
+end
+
+function tmpl.write(self, section, value)
+ value = value:gsub("\r\n?", "\n")
+ nixio.fs.writefile("/etc/ocserv/ocserv.conf.template", value)
+end
+
+ca = s:taboption("ca", Value, "_ca",
+ translate("View the CA certificate used by this server. You will need to save it as 'ca.pem' and import it into the clients."))
+
+ca.template = "cbi/tvalue"
+ca.rows = 20
+
+function ca.cfgvalue(self, section)
+ return nixio.fs.readfile("/etc/ocserv/ca.pem")
+end
+
+--[[DNS]]--
+
+s = m:section(TypedSection, "dns", translate("DNS servers"),
+ translate("The DNS servers to be provided to clients; can be either IPv6 or IPv4"))
+s.anonymous = true
+s.addremove = true
+s.template = "cbi/tblsection"
+
+s:option(Value, "ip", translate("IP Address")).rmempty = true
+s.datatype = "ipaddr"
+
+--[[Routes]]--
+
+s = m:section(TypedSection, "routes", translate("Routing table"),
+ translate("The routing table to be provided to clients; you can mix IPv4 and IPv6 routes, the server will send only the appropriate. Leave empty to set a default route"))
+s.anonymous = true
+s.addremove = true
+s.template = "cbi/tblsection"
+
+s:option(Value, "ip", translate("IP Address")).rmempty = true
+
+o = s:option(Value, "netmask", translate("Netmask (or IPv6-prefix)"))
+o.default = "255.255.255.0"
+o:value("255.255.255.0")
+o:value("255.255.0.0")
+o:value("255.0.0.0")
+
+
+return m
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