Rework LuCI build system

 * Rename subdirectories to their repective OpenWrt package names
 * Make each LuCI module its own standalone package
 * Deploy a shared luci.mk which is used by each module Makefile

Signed-off-by: Jo-Philipp Wich <jow@openwrt.org>

1 files changed, 293 insertions, 0 deletions

diff --git a/applications/luci-app-pbx/luasrc/model/cbi/pbx-advanced.lua b/applications/luci-app-pbx/luasrc/model/cbi/pbx-advanced.lua
new file mode 100644
index 0000000000..5d4f135c5b
--- /dev/null
+++ b/applications/luci-app-pbx/luasrc/model/cbi/pbx-advanced.lua
@@ -0,0 +1,293 @@
+--[[
+    Copyright 2011 Iordan Iordanov <iiordanov (AT) gmail.com>
+
+    This file is part of luci-pbx.
+
+    luci-pbx is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    luci-pbx is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with luci-pbx.  If not, see <http://www.gnu.org/licenses/>.
+]]--
+
+if     nixio.fs.access("/etc/init.d/asterisk")   then
+   server = "asterisk"
+elseif nixio.fs.access("/etc/init.d/freeswitch") then
+   server = "freeswitch"
+else
+   server = ""
+end
+
+appname         = "PBX"
+modulename      = "pbx-advanced"
+defaultbindport = 5060
+defaultrtpstart = 19850
+defaultrtpend   = 19900
+
+-- Returns all the network related settings, including a constructed RTP range
+function get_network_info()
+        externhost = m.uci:get(modulename, "advanced", "externhost")
+        ipaddr     = m.uci:get("network", "lan", "ipaddr")
+        bindport   = m.uci:get(modulename, "advanced", "bindport")
+        rtpstart   = m.uci:get(modulename, "advanced", "rtpstart")
+        rtpend     = m.uci:get(modulename, "advanced", "rtpend")
+
+        if bindport == nil then bindport = defaultbindport end
+        if rtpstart == nil then rtpstart = defaultrtpstart end
+        if rtpend   == nil then rtpend   = defaultrtpend   end
+
+        if rtpstart == nil or rtpend == nil then
+                rtprange = nil
+        else
+                rtprange = rtpstart .. "-" .. rtpend
+        end
+
+        return bindport, rtprange, ipaddr, externhost
+end
+
+-- If not present, insert empty rules in the given config & section named PBX-SIP and PBX-RTP
+function insert_empty_sip_rtp_rules(config, section)
+
+                -- Add rules named PBX-SIP and PBX-RTP if not existing
+                found_sip_rule = false
+                found_rtp_rule = false
+                m.uci:foreach(config, section,
+                        function(s1)
+                                if     s1._name == 'PBX-SIP' then
+                                        found_sip_rule = true
+                                elseif s1._name == 'PBX-RTP' then
+                                        found_rtp_rule = true
+                                end
+                        end)
+                
+                if found_sip_rule ~= true then
+                        newrule=m.uci:add(config, section)
+                        m.uci:set(config, newrule, '_name', 'PBX-SIP')
+                end
+                if found_rtp_rule ~= true then
+                        newrule=m.uci:add(config, section)
+                        m.uci:set(config, newrule, '_name', 'PBX-RTP')
+                end
+end
+
+-- Delete rules in the given config & section named PBX-SIP and PBX-RTP
+function delete_sip_rtp_rules(config, section)
+
+                -- Remove rules named PBX-SIP and PBX-RTP
+                commit = false
+                m.uci:foreach(config, section,
+                        function(s1)
+                                if s1._name == 'PBX-SIP' or s1._name == 'PBX-RTP' then
+                                        m.uci:delete(config, s1['.name'])
+                                        commit = true
+                                end
+                        end)
+
+        -- If something changed, then we commit the config.
+        if commit == true then m.uci:commit(config) end
+end
+
+-- Deletes QoS rules associated with this PBX.
+function delete_qos_rules()
+        delete_sip_rtp_rules ("qos", "classify")
+end
+
+
+function insert_qos_rules()
+        -- Insert empty PBX-SIP and PBX-RTP rules if not present.
+        insert_empty_sip_rtp_rules ("qos", "classify")
+
+        -- Get the network information
+        bindport, rtprange, ipaddr, externhost = get_network_info()
+
+        -- Iterate through the QoS rules, and if there is no other rule with the same port
+        -- range at the priority service level, insert this rule.
+        commit = false
+        m.uci:foreach("qos", "classify",
+                function(s1)
+                        if     s1._name == 'PBX-SIP' then
+                                if s1.ports ~= bindport or s1.target ~= "Priority" or s1.proto ~= "udp" then
+                                        m.uci:set("qos", s1['.name'], "ports",  bindport)
+                                        m.uci:set("qos", s1['.name'], "proto",  "udp")
+                                        m.uci:set("qos", s1['.name'], "target", "Priority")
+                                        commit = true
+                                end
+                        elseif s1._name == 'PBX-RTP' then
+                                if s1.ports ~= rtprange or s1.target ~= "Priority" or s1.proto ~= "udp" then
+                                        m.uci:set("qos", s1['.name'], "ports",  rtprange)
+                                        m.uci:set("qos", s1['.name'], "proto",  "udp")
+                                        m.uci:set("qos", s1['.name'], "target", "Priority")
+                                        commit = true
+                                end
+                        end
+                end)
+
+        -- If something changed, then we commit the qos config.
+        if commit == true then m.uci:commit("qos") end
+end
+
+-- This function is a (so far) unsuccessful attempt to manipulate the firewall rules from here
+-- Need to do more testing and eventually move to this mode.
+function maintain_firewall_rules()
+        -- Get the network information
+        bindport, rtprange, ipaddr, externhost = get_network_info()
+
+        commit = false
+        -- Only if externhost is set, do we control firewall rules.
+        if externhost ~= nil and bindport ~= nil and rtprange ~= nil then
+                -- Insert empty PBX-SIP and PBX-RTP rules if not present.
+                insert_empty_sip_rtp_rules ("firewall", "rule")
+
+                -- Iterate through the firewall rules, and if the dest_port and dest_ip setting of the\
+                -- SIP and RTP rule do not match what we want configured, set all the entries in the rule\
+                -- appropriately.
+                m.uci:foreach("firewall", "rule",
+                        function(s1)
+                                if     s1._name == 'PBX-SIP' then
+                                        if s1.dest_port ~= bindport then
+                                                m.uci:set("firewall", s1['.name'], "dest_port", bindport)
+                                                m.uci:set("firewall", s1['.name'], "src", "wan")
+                                                m.uci:set("firewall", s1['.name'], "proto", "udp")
+                                                m.uci:set("firewall", s1['.name'], "target", "ACCEPT")
+                                                commit = true
+                                        end
+                                elseif s1._name == 'PBX-RTP' then
+                                        if s1.dest_port ~= rtprange then
+                                                m.uci:set("firewall", s1['.name'], "dest_port", rtprange)
+                                                m.uci:set("firewall", s1['.name'], "src", "wan")
+                                                m.uci:set("firewall", s1['.name'], "proto", "udp")
+                                                m.uci:set("firewall", s1['.name'], "target", "ACCEPT")
+                                                commit = true
+                                        end
+                                end
+                        end)
+        else
+                -- We delete the firewall rules if one or more of the necessary parameters are not set.
+                sip_rule_name=nil
+                rtp_rule_name=nil
+        
+                -- First discover the configuration names of the rules.
+                m.uci:foreach("firewall", "rule",
+                        function(s1)
+                                if     s1._name == 'PBX-SIP' then
+                                        sip_rule_name = s1['.name']
+                                elseif s1._name == 'PBX-RTP' then
+                                        rtp_rule_name = s1['.name']
+                                end
+                        end)
+                
+                -- Then, using the names, actually delete the rules.
+                if sip_rule_name ~= nil then
+                        m.uci:delete("firewall", sip_rule_name)
+                        commit = true
+                end
+                if rtp_rule_name ~= nil then
+                        m.uci:delete("firewall", rtp_rule_name)
+                        commit = true
+                end
+        end
+
+        -- If something changed, then we commit the firewall config.
+        if commit == true then m.uci:commit("firewall") end
+end
+
+m = Map (modulename, translate("Advanced Settings"),
+         translate("This section contains settings that do not need to be changed under \
+         normal circumstances. In addition, here you can configure your system \
+         for use with remote SIP devices, and resolve call quality issues by enabling \
+         the insertion of QoS rules."))
+
+-- Recreate the voip server config, and restart necessary services after changes are commited
+-- to the advanced configuration. The firewall must restart because of "Remote Usage".
+function m.on_after_commit(self)
+
+        -- Make sure firewall rules are in place
+        maintain_firewall_rules()
+
+        -- If insertion of QoS rules is enabled
+        if m.uci:get(modulename, "advanced", "qos_enabled") == "yes" then
+                insert_qos_rules()
+        else
+                delete_qos_rules()
+        end
+
+        luci.sys.call("/etc/init.d/pbx-" .. server .. " restart 1\>/dev/null 2\>/dev/null")
+        luci.sys.call("/etc/init.d/"     .. server .. " restart 1\>/dev/null 2\>/dev/null")
+        luci.sys.call("/etc/init.d/firewall             restart 1\>/dev/null 2\>/dev/null")
+end
+
+-----------------------------------------------------------------------------
+s = m:section(NamedSection, "advanced", "settings", translate("Advanced Settings"))
+s.anonymous = true
+
+s:tab("general",  translate("General Settings"))
+s:tab("remote_usage", translate("Remote Usage"),
+      translatef("You can use your SIP devices/softphones with this system from a remote location \
+      as well, as long as your Internet Service Provider gives you a public IP. \
+      You will be able to call other local users for free (e.g. other Analog Telephone Adapters (ATAs)) \
+      and use your VoIP providers to make calls as if you were local to the PBX. \
+      After configuring this tab, go back to where users are configured and see the new \
+      Server and Port setting you need to configure the remote SIP devices with. Please note that if this \
+      PBX is not running on your router/gateway, you will need to configure port forwarding (NAT) on your \
+      router/gateway. Please forward the ports below (SIP port and RTP range) to the IP address of the \
+      device running this PBX."))
+
+s:tab("qos",  translate("QoS Settings"), 
+      translate("If you experience jittery or high latency audio during heavy downloads, you may want \
+      to enable QoS. QoS prioritizes traffic to and from your network for specified ports and IP \
+      addresses, resulting in better latency and throughput for sound in our case. If enabled below, \
+      a QoS rule for this service will be configured by the PBX automatically, but you must visit the \
+      QoS configuration page (Network->QoS) to configure other critical QoS settings like Download \
+      and Upload speed."))
+
+ringtime = s:taboption("general", Value, "ringtime", translate("Number of Seconds to Ring"),
+                 translate("Set the number of seconds to ring users upon incoming calls before hanging up \
+                 or going to voicemail, if the voicemail is installed and enabled."))
+ringtime.datatype = "port"
+ringtime.default = 30
+
+ua = s:taboption("general", Value, "useragent", translate("User Agent String"),
+                 translate("This is the name that the VoIP server will use to identify itself when \
+                 registering to VoIP (SIP) providers. Some providers require this to a specific \
+                 string matching a hardware SIP device."))
+ua.default = appname
+
+h = s:taboption("remote_usage", Value, "externhost", translate("Domain/IP Address/Dynamic Domain"),
+                translate("You can enter your domain name, external IP address, or dynamic domain name here. \
+                The best thing to input is a static IP address. If your IP address is dynamic and it changes, \
+                your configuration will become invalid. Hence, it's recommended to set up Dynamic DNS in this case. \
+                and enter your Dynamic DNS hostname here. You can configure Dynamic DNS with the luci-app-ddns package."))
+h.datatype = "host"
+
+p = s:taboption("remote_usage", Value, "bindport", translate("External SIP Port"),
+                translate("Pick a random port number between 6500 and 9500 for the service to listen on. \
+                Do not pick the standard 5060, because it is often subject to brute-force attacks. \
+                When finished, (1) click \"Save and Apply\", and (2) look in the \
+                \"SIP Device/Softphone Accounts\" section for updated Server and Port settings \
+                for your SIP Devices/Softphones."))
+p.datatype = "port"
+
+p = s:taboption("remote_usage", Value, "rtpstart", translate("RTP Port Range Start"),
+                translate("RTP traffic carries actual voice packets. This is the start of the port range \
+                that will be used for setting up RTP communication. It's usually OK to leave this \
+                at the default value."))
+p.datatype = "port"
+p.default = defaultrtpstart
+
+p = s:taboption("remote_usage", Value, "rtpend", translate("RTP Port Range End"))
+p.datatype = "port"
+p.default = defaultrtpend
+
+p = s:taboption("qos", ListValue, "qos_enabled", translate("Insert QoS Rules"))
+p:value("yes", translate("Yes"))
+p:value("no",  translate("No"))
+p.default = "yes"
+
+return m