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Merge pull request #75384 from Izorkin/nginx-unit

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nixos/unit: enable sanboxing
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Florian Klink 2019-12-14 16:16:50 +01:00 committed by GitHub
commit 2a38b91cc4
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1 changed files with 22 additions and 6 deletions
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28
nixos/modules/services/web-servers/unit/default.nix
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@ -85,7 +85,7 @@ in {
systemd.tmpfiles.rules = [
"d '${cfg.stateDir}' 0750 ${cfg.user} ${cfg.group} - -"
"d '${cfg.logDir}' 0750 ${cfg.user} ${cfg.group} - -"
];
];
systemd.services.unit = {
description = "Unit App Server";
@ -93,23 +93,39 @@ in {
wantedBy = [ "multi-user.target" ];
path = with pkgs; [ curl ];
preStart = ''
test -f '/run/unit/control.unit.sock' || rm -f '/run/unit/control.unit.sock'
test -f '${cfg.stateDir}/conf.json' || rm -f '${cfg.stateDir}/conf.json'
'';
postStart = ''
curl -X PUT --data-binary '@${configFile}' --unix-socket '/run/unit/control.unit.sock' 'http://localhost/config'
'';
serviceConfig = {
User = cfg.user;
Group = cfg.group;
AmbientCapabilities = "CAP_NET_BIND_SERVICE CAP_SETGID CAP_SETUID";
CapabilityBoundingSet = "CAP_NET_BIND_SERVICE CAP_SETGID CAP_SETUID";
ExecStart = ''
${cfg.package}/bin/unitd --control 'unix:/run/unit/control.unit.sock' --pid '/run/unit/unit.pid' \
--log '${cfg.logDir}/unit.log' --state '${cfg.stateDir}' --no-daemon \
--user ${cfg.user} --group ${cfg.group}
'';
# User and group
User = cfg.user;
Group = cfg.group;
# Capabilities
AmbientCapabilities = [ "CAP_NET_BIND_SERVICE" "CAP_SETGID" "CAP_SETUID" ];
# Security
NoNewPrivileges = true;
# Sanboxing
ProtectSystem = "full";
ProtectHome = true;
RuntimeDirectory = "unit";
RuntimeDirectoryMode = "0750";
PrivateTmp = true;
PrivateDevices = true;
ProtectHostname = true;
ProtectKernelTunables = true;
ProtectKernelModules = true;
ProtectControlGroups = true;
LockPersonality = true;
MemoryDenyWriteExecute = true;
RestrictRealtime = true;
PrivateMounts = true;
};
};