pyrox.dev
1{ config, lib, pkgs, ... }:
2
3with lib;
4
5let
6
7 cfg = config.services.siproxd;
8
9 conf = ''
10 daemonize = 0
11 rtp_proxy_enable = 1
12 user = siproxd
13 if_inbound = ${cfg.ifInbound}
14 if_outbound = ${cfg.ifOutbound}
15 sip_listen_port = ${toString cfg.sipListenPort}
16 rtp_port_low = ${toString cfg.rtpPortLow}
17 rtp_port_high = ${toString cfg.rtpPortHigh}
18 rtp_dscp = ${toString cfg.rtpDscp}
19 sip_dscp = ${toString cfg.sipDscp}
20 ${optionalString (cfg.hostsAllowReg != []) "hosts_allow_reg = ${concatStringsSep "," cfg.hostsAllowReg}"}
21 ${optionalString (cfg.hostsAllowSip != []) "hosts_allow_sip = ${concatStringsSep "," cfg.hostsAllowSip}"}
22 ${optionalString (cfg.hostsDenySip != []) "hosts_deny_sip = ${concatStringsSep "," cfg.hostsDenySip}"}
23 ${if (cfg.passwordFile != "") then "proxy_auth_pwfile = ${cfg.passwordFile}" else ""}
24 ${cfg.extraConfig}
25 '';
26
27 confFile = builtins.toFile "siproxd.conf" conf;
28
29in
30{
31 ##### interface
32
33 options = {
34
35 services.siproxd = {
36
37 enable = mkOption {
38 type = types.bool;
39 default = false;
40 description = ''
41 Whether to enable the Siproxd SIP
42 proxy/masquerading daemon.
43 '';
44 };
45
46 ifInbound = mkOption {
47 type = types.str;
48 example = "eth0";
49 description = "Local network interface";
50 };
51
52 ifOutbound = mkOption {
53 type = types.str;
54 example = "ppp0";
55 description = "Public network interface";
56 };
57
58 hostsAllowReg = mkOption {
59 type = types.listOf types.str;
60 default = [ ];
61 example = [ "192.168.1.0/24" "192.168.2.0/24" ];
62 description = ''
63 Acess control list for incoming SIP registrations.
64 '';
65 };
66
67 hostsAllowSip = mkOption {
68 type = types.listOf types.str;
69 default = [ ];
70 example = [ "123.45.0.0/16" "123.46.0.0/16" ];
71 description = ''
72 Acess control list for incoming SIP traffic.
73 '';
74 };
75
76 hostsDenySip = mkOption {
77 type = types.listOf types.str;
78 default = [ ];
79 example = [ "10.0.0.0/8" "11.0.0.0/8" ];
80 description = ''
81 Acess control list for denying incoming
82 SIP registrations and traffic.
83 '';
84 };
85
86 sipListenPort = mkOption {
87 type = types.int;
88 default = 5060;
89 description = ''
90 Port to listen for incoming SIP messages.
91 '';
92 };
93
94 rtpPortLow = mkOption {
95 type = types.int;
96 default = 7070;
97 description = ''
98 Bottom of UDP port range for incoming and outgoing RTP traffic
99 '';
100 };
101
102 rtpPortHigh = mkOption {
103 type = types.int;
104 default = 7089;
105 description = ''
106 Top of UDP port range for incoming and outgoing RTP traffic
107 '';
108 };
109
110 rtpTimeout = mkOption {
111 type = types.int;
112 default = 300;
113 description = ''
114 Timeout for an RTP stream. If for the specified
115 number of seconds no data is relayed on an active
116 stream, it is considered dead and will be killed.
117 '';
118 };
119
120 rtpDscp = mkOption {
121 type = types.int;
122 default = 46;
123 description = ''
124 DSCP (differentiated services) value to be assigned
125 to RTP packets. Allows QOS aware routers to handle
126 different types traffic with different priorities.
127 '';
128 };
129
130 sipDscp = mkOption {
131 type = types.int;
132 default = 0;
133 description = ''
134 DSCP (differentiated services) value to be assigned
135 to SIP packets. Allows QOS aware routers to handle
136 different types traffic with different priorities.
137 '';
138 };
139
140 passwordFile = mkOption {
141 type = types.str;
142 default = "";
143 description = ''
144 Path to per-user password file.
145 '';
146 };
147
148 extraConfig = mkOption {
149 type = types.lines;
150 default = "";
151 description = ''
152 Extra configuration to add to siproxd configuration.
153 '';
154 };
155
156 };
157
158 };
159
160 ##### implementation
161
162 config = mkIf cfg.enable {
163
164 users.extraUsers = singleton {
165 name = "siproxyd";
166 uid = config.ids.uids.siproxd;
167 };
168
169 systemd.services.siproxd = {
170 description = "SIP proxy/masquerading daemon";
171 wantedBy = [ "multi-user.target" ];
172 after = [ "network.target" ];
173 serviceConfig = {
174 ExecStart = "${pkgs.siproxd}/sbin/siproxd -c ${confFile}";
175 };
176 };
177
178 };
179
180}