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unbound: run in chroot

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This commit is contained in:
Emery Hemingway 2014-08-26 21:24:09 -04:00
parent 686fa594ab
commit aedbfdff84
1 changed files with 16 additions and 16 deletions
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32
nixos/modules/services/networking/unbound.nix
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@ -6,8 +6,6 @@ let
cfg = config.services.unbound; cfg = config.services.unbound;
username = "unbound";
stateDir = "/var/lib/unbound"; stateDir = "/var/lib/unbound";
access = concatMapStrings (x: " access-control: ${x} allow\n") cfg.allowedAccess; access = concatMapStrings (x: " access-control: ${x} allow\n") cfg.allowedAccess;
@ -21,21 +19,13 @@ let
confFile = pkgs.writeText "unbound.conf" '' confFile = pkgs.writeText "unbound.conf" ''
server: server:
directory: "${stateDir}" directory: "${stateDir}"
username: ${username} username: unbound
# make sure unbound can access entropy from inside the chroot.
# e.g. on linux the use these commands (on BSD, devfs(8) is used):
# mount --bind -n /dev/random /etc/unbound/dev/random
# and mount --bind -n /dev/log /etc/unbound/dev/log
chroot: "${stateDir}" chroot: "${stateDir}"
# logfile: "${stateDir}/unbound.log" #uncomment to use logfile. pidfile: ""
pidfile: "${stateDir}/unbound.pid"
verbosity: 1 # uncomment and increase to get more logging.
${interfaces} ${interfaces}
${access} ${access}
${forward}
${cfg.extraConfig} ${cfg.extraConfig}
${forward}
''; '';
in in
@ -82,7 +72,7 @@ in
environment.systemPackages = [ pkgs.unbound ]; environment.systemPackages = [ pkgs.unbound ];
users.extraUsers = singleton { users.extraUsers = singleton {
name = username; name = "unbound";
uid = config.ids.uids.unbound; uid = config.ids.uids.unbound;
description = "unbound daemon user"; description = "unbound daemon user";
home = stateDir; home = stateDir;
@ -96,8 +86,18 @@ in
wants = [" nss-lookup.target" ]; wants = [" nss-lookup.target" ];
wantedBy = [ "multi-user.target" ]; wantedBy = [ "multi-user.target" ];
path = [ pkgs.unbound ]; preStart = ''
serviceConfig.ExecStart = "${pkgs.unbound}/sbin/unbound -d -c ${confFile}"; mkdir -m 0755 -p ${stateDir}/dev/
cp ${confFile} ${stateDir}/unbound.conf
chown unbound ${stateDir}
touch ${stateDir}/dev/random
${pkgs.utillinux}/bin/mount --bind -n /dev/random ${stateDir}/dev/random
'';
serviceConfig = {
ExecStart = "${pkgs.unbound}/sbin/unbound -d -c ${stateDir}/unbound.conf";
ExecStopPost="${pkgs.utillinux}/bin/umount ${stateDir}/dev/random";
};
}; };
}; };