Merge pull request #226 from nmav/openconnect

Openconnect
This commit is contained in:
Jo-Philipp Wich 2014-10-29 22:40:04 +01:00
commit f77b1111e4
10 changed files with 694 additions and 2 deletions

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PO = ocserv
include ../../build/config.mk
include ../../build/module.mk

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--[[
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
]]--
module("luci.controller.ocserv", package.seeall)
function index()
if not nixio.fs.access("/etc/config/ocserv") then
return
end
local page
page = entry({"admin", "services", "ocserv"}, alias("admin", "services", "ocserv", "main"),
_("OpenConnect VPN"))
page.dependent = true
page = entry({"admin", "services", "ocserv", "main"},
cbi("ocserv/main"),
_("Server Settings"), 200)
page.dependent = true
page = entry({"admin", "services", "ocserv", "users"},
cbi("ocserv/users"),
_("User Settings"), 300)
page.dependent = true
entry({"admin", "services", "ocserv", "status"},
call("ocserv_status")).leaf = true
entry({"admin", "services", "ocserv", "disconnect"},
call("ocserv_disconnect")).leaf = true
end
function ocserv_status()
local ipt = io.popen("/usr/bin/occtl show users");
if ipt then
local fwd = { }
while true do
local ln = ipt:read("*l")
if not ln then break end
local id, user, group, vpn_ip, ip, device, time, cipher, status =
ln:match("^%s*(%d+)%s+([-_%w]+)%s+([%.%*-_%w]+)%s+([%:%.-_%w]+)%s+([%:%.-_%w]+)%s+([%:%.-_%w]+)%s+([%:%.-_%w]+)%s+([%:%.-_%w]+)%s+([%:%.-_%w]+).*")
if id then
fwd[#fwd+1] = {
id = id,
user = user,
group = group,
vpn_ip = vpn_ip,
ip = ip,
device = device,
time = time,
cipher = cipher,
status = status
}
end
end
ipt:close()
luci.http.prepare_content("application/json")
luci.http.write_json(fwd)
end
end
function ocserv_disconnect(num)
local idx = tonumber(num)
if idx and idx > 0 then
luci.sys.call("/usr/bin/occtl disconnect id %d" % idx)
luci.http.status(200, "OK")
return
end
luci.http.status(400, "Bad request")
end

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--[[
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"
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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--[[
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"
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.default = "192.168.100.1"
ipaddr.datatype = "ip4addr"
nm = s:taboption("general", Value, "netmask", translate("VPN <abbr title=\"Internet Protocol Version 4\">IPv4</abbr>-Netmask"))
nm.default = "255.255.255.0"
nm.datatype = "ip4addr"
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"))
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
s.datatype = "ipaddr"
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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@ -0,0 +1,85 @@
--[[
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 dsp = require "luci.dispatcher"
local nixio = require "nixio"
m = Map("ocserv", translate("OpenConnect VPN"))
if m.uci:get("ocserv", "config", "auth") == "plain" then
--[[Users]]--
function m.on_commit(map)
luci.sys.call("/etc/init.d/ocserv restart >/dev/null 2>&1")
end
s = m:section(TypedSection, "ocservusers", translate("Available users"))
s.anonymous = true
s.addremove = true
s.template = "cbi/tblsection"
s:option(Value, "name", translate("Name")).rmempty = true
s:option(DummyValue, "group", translate("Group")).rmempty = true
pwd = s:option(Value, "password", translate("Password"))
pwd.password = false
function pwd.write(self, section, value)
local pass
if string.match(value, "^\$%d\$.*") then
pass = value
else
local t = tonumber(nixio.getpid()*os.time())
local salt = "$5$" .. t .. "$"
pass = nixio.crypt(value, salt)
end
Value.write(self, section, pass)
end
--[[if plain]]--
end
local lusers = { }
local fd = io.popen("/usr/bin/occtl show users", "r")
if fd then local ln
repeat
ln = fd:read("*l")
if not ln then break end
local id, user, group, vpn_ip, ip, device, time, cipher, status =
ln:match("^%s*(%d+)%s+([-_%w]+)%s+([%.%*-_%w]+)%s+([%:%.-_%w]+)%s+([%:%.-_%w]+)%s+([%:%.-_%w]+)%s+([%:%.-_%w]+)%s+([%:%.-_%w]+)%s+([%:%.-_%w]+).*")
if id then
table.insert(lusers, {id, user, group, vpn_ip, ip, device, time, cipher, status})
end
until not ln
fd:close()
end
--[[Active Users]]--
local s = m:section(Table, lusers, translate("Active users"))
s.anonymous = true
s.template = "cbi/tblsection"
s:option(DummyValue, 1, translate("ID"))
s:option(DummyValue, 2, translate("Username"))
s:option(DummyValue, 3, translate("Group"))
s:option(DummyValue, 4, translate("IP"))
s:option(DummyValue, 5, translate("VPN IP"))
s:option(DummyValue, 6, translate("Device"))
s:option(DummyValue, 7, translate("Time"))
s:option(DummyValue, 8, translate("Cipher"))
s:option(DummyValue, 9, translate("Status"))
return m

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<%+ocserv_status%>

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<script type="text/javascript">//<![CDATA[
function ocserv_disconnect(idx) {
XHR.get('<%=luci.dispatcher.build_url("admin", "services", "ocserv", "disconnect")%>/' + idx, null,
function(x)
{
var tb = document.getElementById('ocserv_status_table');
if (tb && (idx < tb.rows.length))
tb.rows[0].parentNode.removeChild(tb.rows[idx]);
}
);
}
XHR.poll(5, '<%=luci.dispatcher.build_url("admin", "services", "ocserv", "status")%>', null,
function(x, st)
{
var tb = document.getElementById('ocserv_status_table');
if (st && tb)
{
/* clear all rows */
while( tb.rows.length > 1 )
tb.deleteRow(1);
for( var i = 0; i < st.length; i++ )
{
var tr = tb.insertRow(-1);
tr.className = 'cbi-section-table-row cbi-rowstyle-' + ((i % 2) + 1);
tr.insertCell(-1).innerHTML = st[i].user;
tr.insertCell(-1).innerHTML = st[i].group;
tr.insertCell(-1).innerHTML = st[i].vpn_ip;
tr.insertCell(-1).innerHTML = st[i].ip;
tr.insertCell(-1).innerHTML = st[i].device;
tr.insertCell(-1).innerHTML = st[i].time;
tr.insertCell(-1).innerHTML = st[i].cipher;
tr.insertCell(-1).innerHTML = st[i].status;
tr.insertCell(-1).innerHTML = String.format(
'<input class="cbi-button cbi-input-remove" type="button" value="<%:Disconnect%>" onclick="ocserv_disconnect(%d)" />',
st[i].id
);
}
if( tb.rows.length == 1 )
{
var tr = tb.insertRow(-1);
tr.className = 'cbi-section-table-row';
var td = tr.insertCell(-1);
td.colSpan = 5;
td.innerHTML = '<em><br /><%:There are no active users.%></em>';
}
}
}
);
//]]></script>
<fieldset class="cbi-section">
<legend><%:Active OpenConnect Users%></legend>
<table class="cbi-section-table" id="ocserv_status_table">
<tr class="cbi-section-table-titles">
<th class="cbi-section-table-cell"><%:User%></th>
<th class="cbi-section-table-cell"><%:Group%></th>
<th class="cbi-section-table-cell"><%:IP Address%></th>
<th class="cbi-section-table-cell"><%:VPN IP Address%></th>
<th class="cbi-section-table-cell"><%:Device%></th>
<th class="cbi-section-table-cell"><%:Time%></th>
<th class="cbi-section-table-cell"><%:Cipher%></th>
<th class="cbi-section-table-cell"><%:Status%></th>
<th class="cbi-section-table-cell">&#160;</th>
</tr>
<tr class="cbi-section-table-row">
<td colspan="5"><em><br /><%:Collecting data...%></em></td>
</tr>
</table>
</fieldset>

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@ -193,7 +193,7 @@ $(eval $(call protocol,ppp,Support for PPP/PPPoE/PPPoA/PPtP))
$(eval $(call protocol,ipv6,Support for DHCPv6/6in4/6to4/6rd/DS-Lite))
$(eval $(call protocol,3g,Support for 3G,+PACKAGE_luci-proto-3g:comgt))
$(eval $(call protocol,relay,Support for relayd pseudo bridges,+PACKAGE_luci-proto-relay:relayd))
$(eval $(call protocol,openconnect,Support for OpenConnect VPN,+openconnect))
### Modules ###
define module
@ -251,13 +251,15 @@ define application
LUCI_BUILD_PACKAGES += luci-app-$(1)
endef
$(eval $(call application,firewall,Firewall and Portforwarding application,\
+PACKAGE_luci-app-firewall:firewall))
$(eval $(call application,qos,Quality of Service configuration module,\
+PACKAGE_luci-app-qos:qos-scripts))
$(eval $(call application,ocserv,LuCI Support for OpenConnect VPN,\
+PACKAGE_luci-app-ocserv:ocserv certtool))
$(eval $(call application,commands,LuCI Shell Command Module))

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--[[
LuCI - Lua Configuration Interface
Copyright 2014 Nikos Mavrogiannopoulos <nmav@gnutls.org>
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 map, section, net = ...
local server, username, password, cert, ca
local oc_cert_file, oc_key_file, oc_ca_file
local ifc = net:get_interface():name()
oc_cert_file = "/etc/openconnect/user-cert-" .. ifc .. ".pem"
oc_key_file = "/etc/openconnect/user-key-" .. ifc .. ".pem"
oc_ca_file = "/etc/openconnect/ca-" .. ifc .. ".pem"
server = section:taboption("general", Value, "server", translate("VPN Server"))
server.datatype = "host"
port = section:taboption("general", Value, "port", translate("VPN Server port"))
port.placeholder = "443"
port.datatype = "port"
section:taboption("general", Value, "serverhash", translate("VPN Server's certificate SHA1 hash"))
section:taboption("general", Value, "authgroup", translate("AuthGroup"))
username = section:taboption("general", Value, "username", translate("Username"))
password = section:taboption("general", Value, "password", translate("Password"))
password.password = true
cert = section:taboption("advanced", Value, "usercert", translate("User certificate (PEM encoded)"))
cert.template = "cbi/tvalue"
cert.rows = 10
function cert.cfgvalue(self, section)
return nixio.fs.readfile(oc_cert_file)
end
function cert.write(self, section, value)
value = value:gsub("\r\n?", "\n")
nixio.fs.writefile(oc_cert_file, value)
end
cert = section:taboption("advanced", Value, "userkey", translate("User key (PEM encoded)"))
cert.template = "cbi/tvalue"
cert.rows = 10
function cert.cfgvalue(self, section)
return nixio.fs.readfile(oc_key_file)
end
function cert.write(self, section, value)
value = value:gsub("\r\n?", "\n")
nixio.fs.writefile(oc_key_file, value)
end
ca = section:taboption("advanced", Value, "ca", translate("CA certificate; if empty it will be saved after the first connection."))
ca.template = "cbi/tvalue"
ca.rows = 10
function ca.cfgvalue(self, section)
return nixio.fs.readfile(oc_ca_file)
end
function ca.write(self, section, value)
value = value:gsub("\r\n?", "\n")
nixio.fs.writefile(oc_ca_file, value)
end

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--[[
LuCI - Network model - openconnect protocol extension
Copyright 2012 David Woodhouse
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
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
]]--
local netmod = luci.model.network
local interface = luci.model.network.interface
local proto = netmod:register_protocol("openconnect")
function proto.get_i18n(self)
return luci.i18n.translate("OpenConnect (CISCO AnyConnect)")
end
function proto.ifname(self)
return "vpn-" .. self.sid
end
function proto.get_interface(self)
return interface(self:ifname(), self)
end
function proto.opkg_package(self)
return "openconnect"
end
function proto.is_installed(self)
return nixio.fs.access("/lib/netifd/proto/openconnect.sh")
end
function proto.is_floating(self)
return true
end
function proto.is_virtual(self)
return true
end
function proto.get_interfaces(self)
return nil
end
function proto.contains_interface(self, ifc)
return (netmod:ifnameof(ifc) == self:ifname())
end
netmod:register_pattern_virtual("^vpn-%w")