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Informis.land is functioning again.

This commit is contained in:
root@procul 2021-04-14 13:05:55 -05:00
parent 7e6c08b1ec
commit 145996cf38
10 changed files with 480 additions and 88 deletions
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229
config/host-config/procul.nix Normal file
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@ -0,0 +1,229 @@
{ config, lib, pkgs, ... }:
with lib;
let
hostname = "procul";
host-ipv4 = "172.86.179.18";
domain = config.fudo.hosts.${hostname}.domain;
site = config.fudo.hosts.${hostname}.site;
host-fqdn = "${hostname}.${domain}";
local-networks = config.fudo.domains.${domain}.local-networks
++ config.fudo.sites.${site}.local-networks;
acme-private-key = hostname: "/var/lib/acme/${hostname}/key.pem";
acme-certificate = hostname: "/var/lib/acme/${hostname}/fullchain.pem";
acme-ca = "/etc/nixos/static/letsencryptauthorityx3.pem";
local-packages = with pkgs; [ ldns.examples ];
in {
networking = {
dhcpcd.enable = false;
useDHCP = false;
enableIPv6 = true;
# FIXME: this isn't the right place
search = [ domain ];
nameservers = [ "127.0.0.1" ];
defaultGateway = "172.86.179.17";
interfaces = {
extif0 = {
ipv4.addresses = [{
address = host-ipv4;
prefixLength = 29;
}];
};
};
};
environment.systemPackages = local-packages;
networking.firewall.allowedTCPPorts = [ 80 443 ];
users.users = {
gituser = {
isSystemUser = true;
group = "nogroup";
};
};
fudo = {
client.dns = {
enable = true;
ipv4 = true;
ipv6 = true;
user = "fudo-client";
external-interface = "extif0";
password-file = "/srv/client/secure/client.passwd";
};
auth.kdc = {
enable = true;
realm = "INFORMIS.LAND";
bind-addresses = [ host-ipv4 "127.0.0.1" ];
acl = {
"niten" = { perms = [ "add" "change-password" "list" ]; };
"*/root" = { perms = [ "all" ]; };
};
};
secure-dns-proxy = {
enable = true;
upstream-dns =
[ "https://1.1.1.1/dns-query" "https://1.0.0.1/dns-query" ];
bootstrap-dns = "1.1.1.1";
listen-ips = [ "127.0.0.1" ];
listen-port = 53;
allowed-networks = [ "1.1.1.1/32" "1.0.0.1/32" "localhost" "link-local" ];
};
# networks."informis.land" = {
# hosts = {
# procul = {
# ipv4-address = host-ipv4;
# };
# };
# verbatim-dns-records = [
# ''_kerberos IN TXT "INFORMIS.LAND"''
# ''@ IN TXT "v=spf1 mx ip4:${host-ipv4}/29 -all"''
# ''@ IN SPF "v=spf1 mx ip4:${host-ipv4}/29 -all"''
# ];
# };
dns = {
enable = true;
identity = "procul.informis.land";
nameservers = {
ns1 = {
ipv4-address = host-ipv4;
description = "Primary Informis Nameserver";
};
ns2 = {
ipv4-address = host-ipv4;
description = "Secondary Informis Nameserver";
};
};
listen-ips = [ host-ipv4 ];
domains = {
"informis.land" = {
dnssec = true;
default-host = host-ipv4;
gssapi-realm = "INFORMIS.LAND";
mx = [ "smtp.informis.land" ];
network-definition = config.fudo.networks."informis.land";
dmarc-report-address = "dmarc-report@informis.land";
};
};
};
mail-server = {
enable = true;
debug = true;
domain = domain;
hostname = "${host-fqdn}";
monitoring = false;
mail-user = "mailuser";
mail-user-id = 525;
mail-group = "mailgroup";
clamav.enable = true;
dkim.signing = true;
dovecot = {
ssl-certificate = acme-certificate "imap.${domain}";
ssl-private-key = acme-private-key "imap.${domain}";
};
postfix = {
ssl-certificate = acme-certificate "smtp.${domain}";
ssl-private-key = acme-private-key "smtp.${domain}";
};
# This should NOT include the primary domain
local-domains = [
host-fqdn
"smtp.${domain}"
];
mail-directory = "/srv/mailserver/mail";
state-directory = "/srv/mailserver/state";
trusted-networks = [
"172.86.179.16/29"
"127.0.0.0/16"
];
alias-users = {
root = ["niten"];
postmaster = ["niten"];
hostmaster = ["niten"];
webmaster = ["niten"];
system = ["niten"];
admin = ["niten"];
dmarc-report = ["niten"];
};
};
postgresql = {
enable = true;
ssl-certificate = (acme-certificate host-fqdn);
ssl-private-key = (acme-private-key host-fqdn);
keytab = "/srv/postgres/secure/postgres.keytab";
local-networks = local-networks;
users = {
gituser = {
password-file = "/srv/git/secure/db.passwd";
databases = {
git = {
access = "CONNECT";
entity-access = {
"ALL TABLES IN SCHEMA public" = "SELECT,INSERT,UPDATE,DELETE";
"ALL SEQUENCES IN SCHEMA public" = "SELECT, UPDATE";
};
};
};
};
};
databases = { git = { users = [ "niten" ]; }; };
};
git = {
enable = true;
hostname = "git.informis.land";
site-name = "informis git";
user = "gituser";
# admin-email = "viator@informis.land";
repository-dir = /srv/git/repo;
state-dir = /srv/git/state;
database = {
user = "gituser";
password-file = /srv/git/secure/db.passwd;
hostname = "127.0.0.1";
name = "git";
};
ssh = {
listen-ip = host-ipv4;
listen-port = 2222;
};
};
acme = {
enable = true;
admin-address = "admin@${domain}";
hostnames = [
"informis.land"
"imap.informis.land"
"smtp.informis.land"
"gemini.informis.land"
];
};
};
}

1
config/networks.nix
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@ -4,5 +4,6 @@
config.fudo.networks = {
"rus.selby.ca" = import ./networks/rus.selby.ca.nix { inherit config lib; };
"sea.fudo.org" = import ./networks/sea.fudo.org.nix { inherit config lib; };
"informis.land" = import ./networks/informis.land.nix { inherit config lib; };
};
}

91
config/networks/informis.land.nix Normal file
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@ -0,0 +1,91 @@
{ config, lib, ... }:
with lib;
{
mx = [ "smtp.informis.land" ];
aliases = {
smtp = "procul.informis.land.";
imap = "procul.informis.land.";
gemini = "procul.informis.land.";
git = "procul.informis.land.";
};
verbatim-dns-records = let
domain-name = config.fudo.hosts.${config.instance.hostname}.domain;
# NOTE: we're assuming IPv4...
domain-local-nets = map (network: "ip4:${network}") config.fudo.domains.${domain-name}.local-networks;
local-net-string = concatStringsSep " " domain-local-nets;
in [
''@ IN TXT "v=spf1 mx ${local-net-string} -all"''
''@ IN SPF "v=spf1 mx ${local-net-string} -all"''
];
srv-records = {
tcp = {
domain = [{
host = "ns1.informis.land";
port = 53;
}];
ssh = [{
host = "procul.informis.land";
port = 22;
}];
submission = [{
host = "procul.informis.land";
port = 587;
}];
kerberos = [{
host = "procul.informis.land";
port = 88;
}];
kerberos-adm = [{
host = "procul.informis.land";
port = 749;
}];
imaps = [{
host = "procul.informis.land";
port = 993;
priority = 0;
}];
pop3s = [{
host = "procul.informis.land";
port = 995;
priority = 10;
}];
http = [{
host = "procul.informis.land";
port = 80;
}];
https = [{
host = "procul.informis.land";
port = 443;
}];
};
udp = {
domain = [{
host = "ns1.informis.land";
port = 53;
}];
kerberos = [{
host = "procul.informis.land";
port = 88;
}];
kerberos-master = [{
host = "procul.informis.land";
port = 88;
}];
kpasswd = [{
host = "procul.informis.land";
port = 464;
}];
};
};
hosts = {
procul = {
ipv4-address = "172.86.179.18";
};
};
}

60
lib/fudo/dns.nix
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@ -26,18 +26,42 @@ let
type = submodule (import ../types/network-definition.nix);
description = "Definition of network to be served by local server.";
};
default-host = mkOption {
type = str;
description = "The host to which the domain should map by default.";
};
mx = mkOption {
type = listOf str;
description = "The hosts which act as the domain mail exchange.";
default = [];
};
gssapi-realm = mkOption {
type = nullOr str;
description = "The GSSAPI realm of this domain.";
default = null;
};
};
};
hostRecords = host: data:
join-lines
((optional (data.ipv4-address != null) "${host} IN A ${data.ipv4-address}")
++ (optional (data.ipv6-address != null)
"${host} IN AAAA ${data.ipv6-address}")
++ (map (sshfp: "${host} IN SSHFP ${sshfp}") data.ssh-fingerprints)
++ (optional (data.rp != null) "${host} IN RP ${data.rp}")
++ (optional (data.description != null)
"${host} IN TXT ${data.description}"));
networkHostOpts = import ../types/network-host.nix { inherit lib; };
hostRecords = hostname: nethost-data: let
# FIXME: RP doesn't work.
# generic-host-records = let
# host-data = if (hasAttr hostname config.fudo.hosts) then config.fudo.hosts.${hostname} else null;
# in
# if (host-data == null) then [] else (
# (map (sshfp: "${hostname} IN SSHFP ${sshfp}") host-data.ssh-fingerprints) ++ (optional (host-data.rp != null) "${hostname} IN RP ${host-data.rp}")
# );
sshfp-records = if (hasAttr hostname config.fudo.hosts) then (map (sshfp: "${hostname} IN SSHFP ${sshfp}") config.fudo.hosts.${hostname}.ssh-fingerprints) else [];
a-record = optional (nethost-data.ipv4-address != null) "${hostname} IN A ${nethost-data.ipv4-address}";
aaaa-record = optional (nethost-data.ipv6-address != null) "${hostname} IN AAAA ${nethost-data.ipv6-address}";
description-record = optional (nethost-data.description != null) "${hostname} IN TXT \"${nethost-data.description}\"";
in
join-lines (a-record ++ aaaa-record ++ description-record ++ sshfp-records);
makeSrvRecords = protocol: type: records:
join-lines (map (record:
@ -67,12 +91,11 @@ in {
# FIXME: This should allow for AAAA addresses too...
nameservers = mkOption {
type = attrsOf (submodule hostOpts);
type = attrsOf (submodule networkHostOpts);
description = "Map of domain nameserver FQDNs to IP.";
example = {
"ns1.domain.com" = {
ip-addresses = [ "1.1.1.1" ];
ipv6-addresses = [ ];
ipv4-address = "1.1.1.1";
description = "my fancy dns server";
};
};
@ -101,8 +124,9 @@ in {
enable = true;
identity = cfg.identity;
interfaces = cfg.listen-ips;
zones = mapAttrs' (dom: dom-cfg:
nameValuePair "${dom}." {
zones = mapAttrs' (dom: dom-cfg: let
net-cfg = dom-cfg.network-definition;
in nameValuePair "${dom}." {
dnssec = dom-cfg.dnssec;
data = ''
@ -132,10 +156,10 @@ in {
${dmarcRecord dom-cfg.dmarc-report-address}
${join-lines
(mapAttrsToList makeSrvProtocolRecords dom-cfg.srv-records)}
${join-lines (mapAttrsToList hostRecords dom-cfg.hosts)}
${join-lines (mapAttrsToList cnameRecord dom-cfg.aliases)}
${join-lines dom-cfg.extra-dns-records}
(mapAttrsToList makeSrvProtocolRecords net-cfg.srv-records)}
${join-lines (mapAttrsToList hostRecords net-cfg.hosts)}
${join-lines (mapAttrsToList cnameRecord net-cfg.aliases)}
${join-lines net-cfg.verbatim-dns-records}
'';
}) cfg.domains;
};

25
lib/fudo/git.nix
View File

@ -93,7 +93,9 @@ in {
};
config = mkIf cfg.enable {
security.acme.certs.${cfg.hostname}.email = config.fudo.common.admin-email;
security.acme.certs.${cfg.hostname}.email = let
domain-name = config.fudo.hosts.${config.instance.hostname}.domain;
in config.fudo.domains.${domain-name}.admin-email;
services = {
gitea = {
@ -114,14 +116,19 @@ in {
stateDir = toString cfg.state-dir;
rootUrl = "https://${cfg.hostname}/";
user = mkIf (cfg.user != null) cfg.user;
extraConfig = mkIf (cfg.ssh != null) ''
[server]
START_SSH_SERVER = true
SSH_DOMAIN = ${cfg.hostname}
SSH_PORT = ${toString cfg.ssh.listen-port}
SSH_LISTEN_PORT = ${toString cfg.ssh.listen-port}
SSH_LISTEN_HOST = ${cfg.ssh.listen-ip}
'';
ssh = {
enable = true;
clonePort = cfg.ssh.listen-port;
};
# settings = mkIf (cfg.ssh != null) {
# server = {
# START_SSH_SERVER = true;
# SSH_DOMAIN = cfg.hostname;
# SSH_PORT = cfg.ssh.listen-port;
# SSH_LISTEN_PORT = cfg.ssh.listen-port;
# SSH_LISTEN_HOST = cfg.ssh.listen-ip;
# };
# };
};
nginx = {

41
lib/fudo/mail.nix
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@ -124,28 +124,35 @@ in {
Depending on the mail client used it might be necessary to change some mailbox's name.
'';
default = [
{
name = "Trash";
auto = "no";
default = {
Trash = {
auto = "create";
specialUse = "Trash";
}
{
name = "Junk";
auto = "subscribe";
autoexpunge = "30d";
};
Junk = {
auto = "create";
specialUse = "Junk";
}
{
name = "Drafts";
auto = "subscribe";
autoexpunge = "60d";
};
Drafts = {
auto = "create";
specialUse = "Drafts";
}
{
name = "Sent";
autoexpunge = "60d";
};
Sent = {
auto = "subscribe";
specialUse = "Sent";
}
];
};
Archive = {
auto = "no";
specialUse = "Archive";
};
Flagged = {
auto = "no";
specialUse = "Flagged";
};
};
};
debug = mkOption {

20
lib/fudo/postgres.nix
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@ -245,17 +245,17 @@ in {
ensurePermissions = { "DATABASE ${database}" = "ALL PRIVILEGES"; };
}) opts.users)) cfg.databases)));
extraConfig = ''
krb_server_keyfile = '/etc/postgresql/private/postgres.keytab'
settings = {
krb_server_keyfile = "/etc/postgresql/private/postgres.keytab";
ssl = true
ssl_cert_file = '/etc/postgresql/cert.pem'
ssl_key_file = '/etc/postgresql/private/privkey.pem'
ssl = true;
ssl_cert_file = "/etc/postgresql/cert.pem";
ssl_key_file = "/etc/postgresql/private/privkey.pem";
unix_socket_directories = '${cfg.socket-directory}'
unix_socket_group = '${cfg.socket-group}'
unix_socket_permissions = 0777
'';
unix_socket_directories = cfg.socket-directory;
unix_socket_group = cfg.socket-group;
unix_socket_permissions = "0777";
};
authentication = lib.mkForce ''
${makeLocalUserPasswordEntries cfg.users}
@ -318,7 +318,7 @@ in {
${usersAccessSql cfg.users}
'';
in ''
${pkgs.sudo}/bin/sudo -u ${config.services.postgresql.superUser} ${pkgs.postgresql}/bin/psql --port ${
${pkgs.postgresql}/bin/psql --port ${
toString config.services.postgresql.port
} -d postgres -f ${extra-settings-sql}
${pkgs.coreutils}/bin/chgrp ${cfg.socket-group} ${cfg.socket-directory}/.s.PGSQL*

37
lib/fudo/secure-dns-proxy.nix
View File

@ -46,20 +46,49 @@ in {
"List of networks with which this job is allowed to communicate.";
default = null;
};
user = mkOption {
type = str;
description = "User as which to run secure DNS proxy.";
default = "secure-dns-proxy";
};
config = mkIf cfg.enable {
environment.systemPackages = with pkgs; [ dnsproxy ];
group = mkOption {
type = str;
description = "Group as which to run secure DNS proxy.";
default = "secure-dns-proxy";
};
};
config = mkIf cfg.enable (let
upgrade-perms = cfg.listen-port <= 1024;
in {
users = mkIf upgrade-perms {
users = {
${cfg.user} = {
isSystemUser = true;
group = cfg.group;
};
};
groups = {
${cfg.group} = {
members = [ cfg.user ];
};
};
};
fudo.system.services.secure-dns-proxy = {
description = "DNS Proxy for secure DNS-over-HTTPS lookups.";
wantedBy = [ "multi-user.target" ];
after = [ "network.target" ];
privateNetwork = false;
requiredCapabilities = [ ];
requiredCapabilities = mkIf upgrade-perms [ "CAP_NET_BIND_SERVICE" ];
restartWhen = "always";
addressFamilies = [ "AF_INET" "AF_INET6" ];
networkWhitelist = cfg.allowed-networks;
user = mkIf upgrade-perms cfg.user;
group = mkIf upgrade-perms cfg.group;
execStart = let
upstreams = map (upstream: "-u ${upstream}") cfg.upstream-dns;
@ -70,5 +99,5 @@ in {
toString cfg.listen-port
} ${upstream-line} ${listen-line} -b ${cfg.bootstrap-dns}";
};
};
});
}

30
lib/types/network-definition.nix
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@ -31,35 +31,7 @@ let
};
};
networkHostOpts = { hostname, ... }: {
options = with types; {
hostname = mkOption {
type = str;
description =
"Hostname (which may map to a host in config.fudo.hosts).";
default = hostname;
};
ipv4-address = mkOption {
type = nullOr str;
description = "The V4 IP of a given host, if any.";
default = null;
};
ipv6-address = mkOption {
type = nullOr str;
description = "The V6 IP of a given host, if any.";
default = null;
};
mac-address = mkOption {
type = nullOr types.str;
description =
"The MAC address of a given host, if desired for IP reservation.";
default = null;
};
};
};
networkHostOpts = import ./network-host.nix { inherit lib; };
in {
options = with types; {

32
lib/types/network-host.nix Normal file
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@ -0,0 +1,32 @@
{ lib, ... }:
{ hostname, ... }:
with lib;
{
options = with types; {
ipv4-address = mkOption {
type = nullOr str;
description = "The V4 IP of a given host, if any.";
default = null;
};
ipv6-address = mkOption {
type = nullOr str;
description = "The V6 IP of a given host, if any.";
default = null;
};
mac-address = mkOption {
type = nullOr types.str;
description =
"The MAC address of a given host, if desired for IP reservation.";
default = null;
};
description = mkOption {
type = nullOr str;
description = "Description of the host.";
default = null;
};
};
}