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nixpkgs/modules/services/mail/dovecot.nix
Eelco Dolstra dba1d48b78 * Move the uid/gid mappings into a module. This allows other modules
to use it through config.ids.{uids,gids} rather than `import
  relative-path/ids.nix'.

svn path=/nixos/branches/modular-nixos/; revision=15796
2009-05-29 14:25:56 +00:00

145 lines
2.8 KiB
Nix

{pkgs, config, ...}:
###### interface
let
inherit (pkgs.lib) mkOption mkIf;
options = {
services = {
dovecot = {
enable = mkOption {
default = false;
description = "Whether to enable dovecot POP3/IMAP server.";
};
user = mkOption {
default = "dovecot";
description = "dovecot user name";
};
group = mkOption {
default = "dovecot";
description = "dovecot group name";
};
sslServerCert = mkOption {
default = "";
description = "Server certificate";
};
sslCACert = mkOption {
default = "";
description = "CA certificate used by server certificate";
};
sslServerKey = mkOption {
default = "";
description = "Server key";
};
};
};
};
in
###### implementation
let
startingDependency = if config.services.gw6c.enable then "gw6c" else "network-interfaces";
cfg = config.services.dovecot;
dovecotConf =
''
base_dir = /var/run/dovecot/
protocols = imap imaps pop3 pop3s
''
+ (if cfg.sslServerCert!="" then
''
ssl_cert_file = ${cfg.sslServerCert}
ssl_key_file = ${cfg.sslServerKey}
ssl_ca_file = ${cfg.sslCACert}
'' else ''
ssl_disable = yes
disable_plaintext_auth = no
'')
+ ''
login_user = ${cfg.user}
login_chroot = no
mail_location = maildir:/var/spool/mail/%u
maildir_copy_with_hardlinks = yes
auth default {
mechanisms = plain login
userdb passwd {
}
passdb pam {
}
user = root
}
auth_debug = yes
auth_verbose = yes
pop3_uidl_format = %08Xv%08Xu
log_path = /var/log/dovecot.log
''
;
confFile = pkgs.writeText "dovecot.conf" dovecotConf;
pamdFile = pkgs.writeText "dovecot.pam" ''
auth include common
account include common
'';
in
mkIf config.services.dovecot.enable {
require = [
options
];
environment = {
etc = [{
source = pamdFile;
target = "pam.d/dovecot";
}];
};
users = {
extraUsers = [{
name = cfg.user;
uid = config.ids.uids.dovecot;
description = "Dovecot user";
group = cfg.group;
}];
extraGroups = [{
name = cfg.group;
gid = config.ids.gids.dovecot;
}];
};
services = {
extraJobs = [{
name = "dovecot";
job = ''
description "Dovecot IMAP/POP3 server"
start on ${startingDependency}/started
stop on never
start script
${pkgs.coreutils}/bin/mkdir -p /var/run/dovecot /var/run/dovecot/login
${pkgs.coreutils}/bin/chown -R ${cfg.user}.${cfg.group} /var/run/dovecot
end script
respawn ${pkgs.dovecot}/sbin/dovecot -F -c ${confFile}
'';
}];
};
}