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nixos/jellyfin: sync up with hardening provided in upstream

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Jörg Thalheim 2022-06-18 16:59:31 +02:00
parent cc83d357ad
commit 4258952dc6
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1 changed files with 36 additions and 31 deletions
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67
nixos/modules/services/misc/jellyfin.nix
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@ -49,7 +49,10 @@ in
after = [ "network.target" ];
wantedBy = [ "multi-user.target" ];
# This is mostly follows: https://github.com/jellyfin/jellyfin/blob/master/debian/jellyfin.service
# Upstream also disable some hardenings when running in LXC, we do the same with the isContainer option
serviceConfig = rec {
Type = "simple";
User = cfg.user;
Group = cfg.group;
StateDirectory = "jellyfin";
@ -57,48 +60,50 @@ in
CacheDirectory = "jellyfin";
CacheDirectoryMode = "0700";
UMask = "0077";
WorkingDirectory = "/var/lib/jellyfin";
ExecStart = "${cfg.package}/bin/jellyfin --datadir '/var/lib/${StateDirectory}' --cachedir '/var/cache/${CacheDirectory}'";
Restart = "on-failure";
TimeoutSec = 15;
SuccessExitStatus = ["0" "143"];
# Security options:
NoNewPrivileges = true;
AmbientCapabilities = "";
CapabilityBoundingSet = "";
# ProtectClock= adds DeviceAllow=char-rtc r
DeviceAllow = "";
LockPersonality = true;
PrivateTmp = true;
# Disabled to allow Jellyfin to access hw accel devices endpoints
# PrivateDevices = true;
PrivateUsers = true;
# Disabled as it does not allow Jellyfin to interface with CUDA devices
# ProtectClock = true;
ProtectControlGroups = true;
ProtectHostname = true;
ProtectKernelLogs = true;
ProtectKernelModules = true;
ProtectKernelTunables = true;
RemoveIPC = true;
RestrictNamespaces = true;
SystemCallArchitectures = "native";
# AF_NETLINK needed because Jellyfin monitors the network connection
RestrictAddressFamilies = [ "AF_NETLINK" "AF_INET" "AF_INET6" "AF_UNIX" ];
RestrictAddressFamilies = [ "AF_UNIX" "AF_INET" "AF_INET6" "AF_NETLINK" ];
RestrictNamespaces = !config.boot.isContainer;
RestrictRealtime = true;
RestrictSUIDSGID = true;
ProtectControlGroups = !config.boot.isContainer;
ProtectHostname = true;
ProtectKernelLogs = !config.boot.isContainer;
ProtectKernelModules = !config.boot.isContainer;
ProtectKernelTunables = !config.boot.isContainer;
LockPersonality = true;
PrivateTmp = !config.boot.isContainer;
# needed for hardware accelaration
PrivateDevices = false;
PrivateUsers = true;
RemoveIPC = true;
SystemCallArchitectures = "native";
SystemCallErrorNumber = "EPERM";
SystemCallFilter = [
"@system-service"
"~@cpu-emulation" "~@debug" "~@keyring" "~@memlock" "~@obsolete" "~@privileged" "~@setuid"
"~@clock"
"~@aio"
"~@chown"
"~@cpu-emulation"
"~@debug"
"~@keyring"
"~@memlock"
"~@module"
"~@mount"
"~@obsolete"
"~@privileged"
"~@raw-io"
"~@reboot"
"~@setuid"
"~@swap"
];
SystemCallErrorNumber = "EPERM";
};
};