motiejus/config
1
Fork 0
Code Packages Releases Activity

statix

Browse Source
This commit is contained in:
Motiejus Jakštys
2023-11-27 18:17:27 +02:00
parent 896c5086d0
commit 8e78a31f20
9 changed files with 532 additions and 666 deletions
Download Patch File Download Diff File Expand all files Collapse all files

206
modules/services/nsd-acme/default.nix
View File

@@ -92,112 +92,114 @@ in {
zonefile: "/var/lib/nsd/acmezones/%s.zone"
'';
systemd.tmpfiles.rules = ["d /var/lib/nsd/acmezones 0755 nsd nsd -"];
systemd = {
tmpfiles.rules = ["d /var/lib/nsd/acmezones 0755 nsd nsd -"];
systemd.services =
{
nsd-control-setup = {
requiredBy = ["nsd.service"];
before = ["nsd.service"];
unitConfig.ConditionPathExists = let
rc = config.services.nsd.remoteControl;
in [
"|!${rc.controlKeyFile}"
"|!${rc.controlCertFile}"
"|!${rc.serverKeyFile}"
"|!${rc.serverCertFile}"
];
serviceConfig = {
Type = "oneshot";
UMask = 0077;
};
script = ''
${pkgs.nsd}/bin/nsd-control-setup
chown nsd:nsd /etc/nsd/nsd_{control,server}.{key,pem}
'';
path = [pkgs.openssl];
};
}
// lib.mapAttrs'
(
zone: cfg:
lib.nameValuePair "nsd-acme-${zone}" {
description = "dns-01 acme update for ${zone}";
path = [pkgs.openssh pkgs.nsd];
preStart = ''
mkdir -p "$STATE_DIRECTORY/private"
ln -sf "$CREDENTIALS_DIRECTORY/letsencrypt-account-key" \
"$STATE_DIRECTORY/private/key.pem"
'';
services =
{
nsd-control-setup = {
requiredBy = ["nsd.service"];
before = ["nsd.service"];
unitConfig.ConditionPathExists = let
rc = config.services.nsd.remoteControl;
in [
"|!${rc.controlKeyFile}"
"|!${rc.controlCertFile}"
"|!${rc.serverKeyFile}"
"|!${rc.serverCertFile}"
];
serviceConfig = {
ExecStart = let
hook = mkHook zone;
days = builtins.toString cfg.days;
in "${pkgs.uacme}/bin/uacme -c \${STATE_DIRECTORY} --verbose --days ${days} --hook ${hook} ${lib.optionalString cfg.staging "--staging"} issue ${zone}";
UMask = "0022";
User = "nsd";
Group = "nsd";
StateDirectory = "nsd-acme/${zone}";
LoadCredential = ["letsencrypt-account-key:${cfg.accountKey}"];
ReadWritePaths = ["/var/lib/nsd/acmezones"];
SuccessExitStatus = [0 1];
# from nixos/modules/security/acme/default.nix
ProtectSystem = "strict";
PrivateTmp = true;
CapabilityBoundingSet = [""];
DevicePolicy = "closed";
LockPersonality = true;
MemoryDenyWriteExecute = true;
NoNewPrivileges = true;
PrivateDevices = true;
ProtectClock = true;
ProtectHome = true;
ProtectHostname = true;
ProtectControlGroups = true;
ProtectKernelLogs = true;
ProtectKernelModules = true;
ProtectKernelTunables = true;
ProtectProc = "invisible";
ProcSubset = "pid";
RemoveIPC = true;
# "cannot get devices"
#RestrictAddressFamilies = [
# "AF_INET"
# "AF_INET6"
#];
RestrictNamespaces = true;
RestrictRealtime = true;
RestrictSUIDSGID = true;
SystemCallArchitectures = "native";
SystemCallFilter = [
# 1. allow a reasonable set of syscalls
"@system-service @resources"
# 2. and deny unreasonable ones
"~@privileged"
# 3. then allow the required subset within denied groups
"@chown"
];
Type = "oneshot";
UMask = 0077;
};
}
)
cfg.zones;
script = ''
${pkgs.nsd}/bin/nsd-control-setup
chown nsd:nsd /etc/nsd/nsd_{control,server}.{key,pem}
'';
path = [pkgs.openssl];
};
}
// lib.mapAttrs'
(
zone: cfg:
lib.nameValuePair "nsd-acme-${zone}" {
description = "dns-01 acme update for ${zone}";
path = [pkgs.openssh pkgs.nsd];
preStart = ''
mkdir -p "$STATE_DIRECTORY/private"
ln -sf "$CREDENTIALS_DIRECTORY/letsencrypt-account-key" \
"$STATE_DIRECTORY/private/key.pem"
'';
serviceConfig = {
ExecStart = let
hook = mkHook zone;
days = builtins.toString cfg.days;
in "${pkgs.uacme}/bin/uacme -c \${STATE_DIRECTORY} --verbose --days ${days} --hook ${hook} ${lib.optionalString cfg.staging "--staging"} issue ${zone}";
systemd.timers =
lib.mapAttrs'
(
zone: _:
lib.nameValuePair "nsd-acme-${zone}" {
description = "nsd-acme for zone ${zone}";
wantedBy = ["timers.target"];
timerConfig = {
OnCalendar = "*-*-* 01:30";
};
after = ["network-online.target"];
}
)
cfg.zones;
UMask = "0022";
User = "nsd";
Group = "nsd";
StateDirectory = "nsd-acme/${zone}";
LoadCredential = ["letsencrypt-account-key:${cfg.accountKey}"];
ReadWritePaths = ["/var/lib/nsd/acmezones"];
SuccessExitStatus = [0 1];
# from nixos/modules/security/acme/default.nix
ProtectSystem = "strict";
PrivateTmp = true;
CapabilityBoundingSet = [""];
DevicePolicy = "closed";
LockPersonality = true;
MemoryDenyWriteExecute = true;
NoNewPrivileges = true;
PrivateDevices = true;
ProtectClock = true;
ProtectHome = true;
ProtectHostname = true;
ProtectControlGroups = true;
ProtectKernelLogs = true;
ProtectKernelModules = true;
ProtectKernelTunables = true;
ProtectProc = "invisible";
ProcSubset = "pid";
RemoveIPC = true;
# "cannot get devices"
#RestrictAddressFamilies = [
# "AF_INET"
# "AF_INET6"
#];
RestrictNamespaces = true;
RestrictRealtime = true;
RestrictSUIDSGID = true;
SystemCallArchitectures = "native";
SystemCallFilter = [
# 1. allow a reasonable set of syscalls
"@system-service @resources"
# 2. and deny unreasonable ones
"~@privileged"
# 3. then allow the required subset within denied groups
"@chown"
];
};
}
)
cfg.zones;
timers =
lib.mapAttrs'
(
zone: _:
lib.nameValuePair "nsd-acme-${zone}" {
description = "nsd-acme for zone ${zone}";
wantedBy = ["timers.target"];
timerConfig = {
OnCalendar = "*-*-* 01:30";
};
after = ["network-online.target"];
}
)
cfg.zones;
};
mj.base.unitstatus.units =
lib.mkIf config.mj.base.unitstatus.enable