diff options
Diffstat (limited to 'applications/luci-pbx/luasrc/model/cbi/pbx-advanced.lua')
| -rw-r--r-- | applications/luci-pbx/luasrc/model/cbi/pbx-advanced.lua | 284 |
1 files changed, 284 insertions, 0 deletions
diff --git a/applications/luci-pbx/luasrc/model/cbi/pbx-advanced.lua b/applications/luci-pbx/luasrc/model/cbi/pbx-advanced.lua new file mode 100644 index 0000000000..0619825435 --- /dev/null +++ b/applications/luci-pbx/luasrc/model/cbi/pbx-advanced.lua @@ -0,0 +1,284 @@ +--[[ + 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 express 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 ~= "Express" 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", "Express") + commit = true + end + elseif s1._name == 'PBX-RTP' then + if s1.ports ~= rtprange or s1.target ~= "Express" 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", "Express") + 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 which 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 at 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 SIP devices with. Please note that by default\ + %s uses UDP port range %d to %d for RTP traffic (which carries voice), in case you need to configure\ + NAT or QoS on another device.", appname, defaultrtpstart, defaultrtpend)) + +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.")) + +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 Name/Dynamic Domain Name"), + translate("You should either have registered a domain name and have a static IP\ + address, or have configured Dynamic DNS on this router. Enter a\ + domain name which resolves to your external IP address.")) +h.datatype = "hostname" + +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) click the \"Restart VoIP Service\"\ + button above. Finally, (3) 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\ + which 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 |