blob: f9b890532ceb9570718fcd096d6083b6db93711d (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.opensmtpd;
conf = pkgs.writeText "smtpd.conf" cfg.serverConfiguration;
args = concatStringsSep " " cfg.extraServerArgs;
sendmail = pkgs.runCommand "opensmtpd-sendmail" {} ''
mkdir -p $out/bin
ln -s ${cfg.package}/sbin/smtpctl $out/bin/sendmail
'';
in {
###### interface
options = {
services.opensmtpd = {
enable = mkOption {
type = types.bool;
default = false;
description = "Whether to enable the OpenSMTPD server.";
};
package = mkOption {
type = types.package;
default = pkgs.opensmtpd;
defaultText = "pkgs.opensmtpd";
description = "The OpenSMTPD package to use.";
};
addSendmailToSystemPath = mkOption {
type = types.bool;
default = true;
description = ''
Whether to add OpenSMTPD's sendmail binary to the
system path or not.
'';
};
extraServerArgs = mkOption {
type = types.listOf types.str;
default = [];
example = [ "-v" "-P mta" ];
description = ''
Extra command line arguments provided when the smtpd process
is started.
'';
};
serverConfiguration = mkOption {
type = types.lines;
example = ''
listen on lo
accept for any deliver to lmtp localhost:24
'';
description = ''
The contents of the smtpd.conf configuration file. See the
OpenSMTPD documentation for syntax information.
'';
};
procPackages = mkOption {
type = types.listOf types.package;
default = [];
description = ''
Packages to search for filters, tables, queues, and schedulers.
Add OpenSMTPD-extras here if you want to use the filters, etc. from
that package.
'';
};
};
};
###### implementation
config = mkIf cfg.enable {
users.extraGroups = {
smtpd.gid = config.ids.gids.smtpd;
smtpq.gid = config.ids.gids.smtpq;
};
users.extraUsers = {
smtpd = {
description = "OpenSMTPD process user";
uid = config.ids.uids.smtpd;
group = "smtpd";
};
smtpq = {
description = "OpenSMTPD queue user";
uid = config.ids.uids.smtpq;
group = "smtpq";
};
};
systemd.services.opensmtpd = let
procEnv = pkgs.buildEnv {
name = "opensmtpd-procs";
paths = [ cfg.package ] ++ cfg.procPackages;
pathsToLink = [ "/libexec/opensmtpd" ];
};
in {
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
preStart = ''
mkdir -p /var/spool/smtpd
chmod 711 /var/spool/smtpd
mkdir -p /var/spool/smtpd/offline
chown root.smtpq /var/spool/smtpd/offline
chmod 770 /var/spool/smtpd/offline
mkdir -p /var/spool/smtpd/purge
chown smtpq.root /var/spool/smtpd/purge
chmod 700 /var/spool/smtpd/purge
'';
serviceConfig.ExecStart = "${cfg.package}/sbin/smtpd -d -f ${conf} ${args}";
environment.OPENSMTPD_PROC_PATH = "${procEnv}/libexec/opensmtpd";
};
environment.systemPackages = mkIf cfg.addSendmailToSystemPath [ sendmail ];
};
}
|