274 lines
8 KiB
Nix
274 lines
8 KiB
Nix
{ config, pkgs, upstartJobs, systemPath, wrapperDir
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, defaultShell, extraEtc, nixEnvVars, modulesTree, nssModulesPath, binsh
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}:
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let
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optional = pkgs.lib.optional;
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# !!! ugh, these files shouldn't be created here.
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pamConsoleHandlers = pkgs.writeText "console.handlers" ''
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console consoledevs /dev/tty[0-9][0-9]* :[0-9]\.[0-9] :[0-9]
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${pkgs.pam_console}/sbin/pam_console_apply lock logfail wait -t tty -s -c ${pamConsolePerms}
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${pkgs.pam_console}/sbin/pam_console_apply unlock logfail wait -r -t tty -s -c ${pamConsolePerms}
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'';
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pamConsolePerms = ./security/console.perms;
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in
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import ../helpers/make-etc.nix {
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inherit (pkgs) stdenv;
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configFiles = [
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{ # TCP/UDP port assignments.
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source = pkgs.iana_etc + "/etc/services";
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target = "services";
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}
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{ # IP protocol numbers.
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source = pkgs.iana_etc + "/etc/protocols";
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target = "protocols";
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}
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{ # RPC program numbers.
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source = pkgs.glibc + "/etc/rpc";
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target = "rpc";
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}
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{ # Hostname-to-IP mappings.
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source = pkgs.substituteAll {
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src = ./hosts;
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extraHosts = config.networking.extraHosts;
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};
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target = "hosts";
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}
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{ # Name Service Switch configuration file. Required by the C library.
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source = if config.services.avahi.nssmdns
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then (assert config.services.avahi.enable; ./nsswitch-mdns.conf)
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else ./nsswitch.conf;
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target = "nsswitch.conf";
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}
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{ # Friendly greeting on the virtual consoles.
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source = pkgs.writeText "issue" ''
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[1;32m${config.services.mingetty.greetingLine}[0m
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${config.services.mingetty.helpLine}
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'';
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target = "issue";
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}
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{ # Configuration for pwdutils (login, passwd, useradd, etc.).
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# You cannot login without it!
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source = ./login.defs;
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target = "login.defs";
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}
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{ # The Upstart events defined above.
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source = upstartJobs + "/etc/event.d";
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target = "event.d";
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}
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{ # Configuration for passwd and friends (e.g., hash algorithm
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# for /etc/passwd).
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source = ./default/passwd;
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target = "default/passwd";
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}
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{ # Configuration for useradd.
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source = pkgs.substituteAll {
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src = ./default/useradd;
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inherit defaultShell;
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};
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target = "default/useradd";
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}
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{ # Dhclient hooks for emitting ip-up/ip-down events.
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source = pkgs.substituteAll {
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src = ./dhclient-exit-hooks;
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inherit (pkgs) upstart glibc;
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};
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target = "dhclient-exit-hooks";
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}
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{ # Script executed when the shell starts as a non-login shell (system-wide version).
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source = pkgs.substituteAll {
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src = ./bashrc.sh;
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inherit systemPath wrapperDir modulesTree nssModulesPath;
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inherit (pkgs) glibc;
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timeZone = config.time.timeZone;
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defaultLocale = config.i18n.defaultLocale;
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inherit nixEnvVars;
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};
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target = "bashrc";
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}
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{ # Script executed when the shell starts as a login shell.
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source = ./profile.sh;
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target = "profile";
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}
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{ # Configuration for readline in bash.
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source = ./inputrc;
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target = "inputrc";
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}
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{ # Nix configuration.
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source =
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let
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# Tricky: if we're using a chroot for builds, then we need
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# /bin/sh in the chroot (our own compromise to purity).
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# However, since /bin/sh is a symlink to some path in the
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# Nix store, which furthermore has runtime dependencies on
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# other paths in the store, we need the closure of /bin/sh
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# in `build-chroot-dirs' - otherwise any builder that uses
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# /bin/sh won't work.
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refs = pkgs.writeReferencesToFile binsh;
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in
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pkgs.runCommand "nix.conf" {} ''
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binshDeps=$(for i in $(cat ${refs}); do if test -d $i; then echo $i; fi; done)
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cat > $out <<END
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# WARNING: this file is generated.
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build-users-group = nixbld
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build-max-jobs = ${toString (config.nix.maxJobs)}
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build-use-chroot = ${if config.nix.useChroot then "true" else "false"}
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build-chroot-dirs = /dev /dev/pts /proc /bin $(echo $binshDeps)
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${config.nix.extraOptions}
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END
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'';
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target = "nix.conf"; # will be symlinked from /nix/etc/nix/nix.conf in activate-configuration.sh.
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}
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{ # Script executed when the shell starts as a non-login shell (user version).
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source = ./skel/bashrc;
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target = "skel/.bashrc";
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}
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{ # SSH configuration. Slight duplication of the sshd_config
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# generation in the sshd service.
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source = pkgs.writeText "ssh_config" ''
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${if config.services.sshd.forwardX11 then ''
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ForwardX11 yes
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XAuthLocation ${pkgs.xorg.xauth}/bin/xauth
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'' else ''
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ForwardX11 no
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''}
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'';
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target = "ssh/ssh_config";
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}
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]
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# Configuration for ssmtp.
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++ optional config.networking.defaultMailServer.directDelivery {
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source = let cfg = config.networking.defaultMailServer; in pkgs.writeText "ssmtp.conf" ''
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MailHub=${cfg.hostName}
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FromLineOverride=YES
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${if cfg.domain != "" then "rewriteDomain=${cfg.domain}" else ""}
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UseTLS=${if cfg.useTLS then "YES" else "NO"}
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UseSTARTTLS=${if cfg.useSTARTTLS then "YES" else "NO"}
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#Debug=YES
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'';
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target = "ssmtp/ssmtp.conf";
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}
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# Configuration file for fontconfig used to locate
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# (X11) client-rendered fonts.
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++ optional config.fonts.enableFontConfig {
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source = pkgs.makeFontsConf {
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fontDirectories = import ../system/fonts.nix {inherit pkgs config;};
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};
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target = "fonts/fonts.conf";
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}
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# LDAP configuration.
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++ optional config.users.ldap.enable {
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source = import ./ldap.conf.nix {
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inherit (pkgs) writeText;
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inherit config;
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};
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target = "ldap.conf";
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}
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# "sudo" configuration.
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++ optional config.security.sudo.enable {
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source = pkgs.runCommand "sudoers"
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{ src = pkgs.writeText "sudoers-in" (config.security.sudo.configFile);
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}
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# Make sure that the sudoers file is syntactically valid.
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# (currently disabled - NIXOS-66)
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#"${pkgs.sudo}/sbin/visudo -f $src -c && cp $src $out";
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"cp $src $out";
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target = "sudoers";
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mode = "0440";
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}
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# A bunch of PAM configuration files for various programs.
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++ (map
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(program:
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let isLDAPEnabled = config.users.ldap.enable; in
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{ source = pkgs.substituteAll {
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src = ./pam.d + ("/" + program);
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inherit (pkgs) pam_unix2 pam_console;
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pam_ldap =
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if isLDAPEnabled
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then pkgs.pam_ldap
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else "/no-such-path";
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inherit (pkgs.xorg) xauth;
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inherit pamConsoleHandlers;
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isLDAPEnabled = if isLDAPEnabled then "" else "#";
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};
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target = "pam.d/" + program;
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}
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)
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[
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"atd"
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"login"
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"slim"
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"su"
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"sudo"
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"other"
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"passwd"
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"shadow"
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"sshd"
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"lshd"
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"useradd"
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"chsh"
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"xlock"
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"kde"
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"cups"
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"common"
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"common-console" # shared stuff for interactive local sessions
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]
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)
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# List of machines for distributed Nix builds in the format expected
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# by build-remote.pl.
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++ optional config.nix.distributedBuilds {
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source = pkgs.writeText "nix.machines"
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(pkgs.lib.concatStrings (map (machine:
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"${machine.sshUser}@${machine.hostName} ${machine.system} ${machine.sshKey} ${toString machine.maxJobs}\n"
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) config.nix.buildMachines));
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target = "nix.machines";
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}
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# unixODBC drivers (this solution is not perfect.. Because the user has to
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# ask the admin to add a driver.. but it's an easy solution which works)
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++ (let inis = config.environment.unixODBCDrivers pkgs;
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in optional (inis != [] ) {
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source = pkgs.writeText "odbcinst.ini" (pkgs.lib.concatStringsSep "\n" inis);
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target = "odbcinst.ini";
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})
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# Additional /etc files declared by Upstart jobs.
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++ extraEtc;
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}
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