nixpkgs/etc/default.nix
Marc Weber 819873d745 Convert "nix-daemon" and nix options
svn path=/nixos/branches/fix-style/; revision=14365
2009-03-06 12:25:51 +00:00

288 lines
7.8 KiB
Nix
Raw Blame History

This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

# produce a script to generate /etc
{config, pkgs, ...}:
###### interface
let
inherit (pkgs.lib) mkOption;
option = {
environment = {
etc = mkOption {
default = [];
example = [
{ source = "/nix/store/.../etc/dir/file.conf.example";
target = "dir/file.conf";
mode = "0440";
}
];
description = "
List of files that have to be linked in /etc.
";
};
};
};
in
###### implementation
let
nixEnvVars = config.nix.envVars;
modulesTree = config.system.modulesTree;
nssModulesPath = config.system.nssModules.path;
wrapperDir = config.system.wrapperDir;
systemPath = config.system.path;
binsh = config.system.build.binsh;
optional = pkgs.lib.optional;
# !!! ugh, these files shouldn't be created here.
pamConsoleHandlers = pkgs.writeText "console.handlers" ''
console consoledevs /dev/tty[0-9][0-9]* :[0-9]\.[0-9] :[0-9]
${pkgs.pam_console}/sbin/pam_console_apply lock logfail wait -t tty -s -c ${pamConsolePerms}
${pkgs.pam_console}/sbin/pam_console_apply unlock logfail wait -r -t tty -s -c ${pamConsolePerms}
'';
pamConsolePerms = ./security/console.perms;
# These should be moved into the corresponding configuration files.
configFiles = [
{ # TCP/UDP port assignments.
source = pkgs.iana_etc + "/etc/services";
target = "services";
}
{ # IP protocol numbers.
source = pkgs.iana_etc + "/etc/protocols";
target = "protocols";
}
{ # RPC program numbers.
source = pkgs.glibc + "/etc/rpc";
target = "rpc";
}
{ # Hostname-to-IP mappings.
source = pkgs.substituteAll {
src = ./hosts;
extraHosts = config.networking.extraHosts;
};
target = "hosts";
}
{ # Friendly greeting on the virtual consoles.
source = pkgs.writeText "issue" ''
${config.services.mingetty.greetingLine}
${config.services.mingetty.helpLine}
'';
target = "issue";
}
{ # Configuration for pwdutils (login, passwd, useradd, etc.).
# You cannot login without it!
source = ./login.defs;
target = "login.defs";
}
{ # Configuration for passwd and friends (e.g., hash algorithm
# for /etc/passwd).
source = ./default/passwd;
target = "default/passwd";
}
{ # Configuration for useradd.
source = pkgs.substituteAll {
src = ./default/useradd;
defaultShell = config.system.shell;
};
target = "default/useradd";
}
{ # Dhclient hooks for emitting ip-up/ip-down events.
source = pkgs.substituteAll {
src = ./dhclient-exit-hooks;
inherit (pkgs) upstart glibc;
};
target = "dhclient-exit-hooks";
}
{ # Script executed when the shell starts as a non-login shell (system-wide version).
source = pkgs.substituteAll {
src = ./bashrc.sh;
inherit systemPath wrapperDir modulesTree nssModulesPath;
inherit (pkgs) glibc;
timeZone = config.time.timeZone;
defaultLocale = config.i18n.defaultLocale;
inherit nixEnvVars;
};
target = "bashrc";
}
{ # Script executed when the shell starts as a login shell.
source = ./profile.sh;
target = "profile";
}
{ # Configuration for readline in bash.
source = ./inputrc;
target = "inputrc";
}
{ # Script executed when the shell starts as a non-login shell (user version).
source = ./skel/bashrc;
target = "skel/.bashrc";
}
{ # SSH configuration. Slight duplication of the sshd_config
# generation in the sshd service.
source = pkgs.writeText "ssh_config" ''
${if config.services.sshd.forwardX11 then ''
ForwardX11 yes
XAuthLocation ${pkgs.xorg.xauth}/bin/xauth
'' else ''
ForwardX11 no
''}
'';
target = "ssh/ssh_config";
}
]
# Configuration for ssmtp.
++ optional config.networking.defaultMailServer.directDelivery {
source = let cfg = config.networking.defaultMailServer; in pkgs.writeText "ssmtp.conf" ''
MailHub=${cfg.hostName}
FromLineOverride=YES
${if cfg.domain != "" then "rewriteDomain=${cfg.domain}" else ""}
UseTLS=${if cfg.useTLS then "YES" else "NO"}
UseSTARTTLS=${if cfg.useSTARTTLS then "YES" else "NO"}
#Debug=YES
'';
target = "ssmtp/ssmtp.conf";
}
# A bunch of PAM configuration files for various programs.
++ (map
(program:
let isLDAPEnabled = config.users.ldap.enable; in
{ source = pkgs.substituteAll {
src = ./pam.d + ("/" + program);
inherit (pkgs) pam_unix2 pam_console;
pam_ldap =
if isLDAPEnabled
then pkgs.pam_ldap
else "/no-such-path";
inherit (pkgs.xorg) xauth;
inherit pamConsoleHandlers;
isLDAPEnabled = if isLDAPEnabled then "" else "#";
};
target = "pam.d/" + program;
}
)
[
"login"
"su"
"other"
"passwd"
"shadow"
"sshd"
"lshd"
"useradd"
"chsh"
"xlock"
"cups"
"common"
"common-console" # shared stuff for interactive local sessions
]
)
# List of machines for distributed Nix builds in the format expected
# by build-remote.pl.
++ optional config.nix.distributedBuilds {
source = pkgs.writeText "nix.machines"
(pkgs.lib.concatStrings (map (machine:
"${machine.sshUser}@${machine.hostName} ${machine.system} ${machine.sshKey} ${toString machine.maxJobs}\n"
) config.nix.buildMachines));
target = "nix.machines";
}
;
in
let
inherit (pkgs.stringsWithDeps) noDepEntry FullDepEntry PackEntry;
activateLib = config.system.activationScripts.lib;
copyScript = {source, target, mode ? "644", own ? "root.root"}:
assert target != "nixos"; ''
source="${source}"
target="/etc/${target}"
mkdir -p $(dirname "$target")
test -e "$target" && rm -f "$target"
cp "$source" "$target"
chown ${own} "$target"
chmod ${mode} "$target"
'';
makeEtc = import ../helpers/make-etc.nix {
inherit (pkgs) stdenv;
configFiles = configFiles ++ config.environment.etc;
};
in
{
require = [
option
# config.system.build
(import ../system/system-options.nix)
# config.system.activationScripts
(import ../system/activate-configuration.nix)
];
system = {
build = {
etc = makeEtc;
};
activationScripts = {
etc = FullDepEntry ''
# Set up the statically computed bits of /etc.
staticEtc=/etc/static
rm -f $staticEtc
ln -s ${makeEtc}/etc $staticEtc
for i in $(cd $staticEtc && find * -type l); do
mkdir -p /etc/$(dirname $i)
rm -f /etc/$i
if test -e "$staticEtc/$i.mode"; then
# Create a regular file in /etc.
cp $staticEtc/$i /etc/$i
chown 0.0 /etc/$i
chmod "$(cat "$staticEtc/$i.mode")" /etc/$i
else
# Create a symlink in /etc.
ln -s $staticEtc/$i /etc/$i
fi
done
# Remove dangling symlinks that point to /etc/static. These are
# configuration files that existed in a previous configuration but not
# in the current one. For efficiency, don't look under /etc/nixos
# (where all the NixOS sources live).
for i in $(find /etc/ \( -path /etc/nixos -prune \) -o -type l); do
target=$(readlink "$i")
if test "''${target:0:''${#staticEtc}}" = "$staticEtc" -a ! -e "$i"; then
rm -f "$i"
fi
done
'' [
activateLib.systemConfig
activateLib.defaultPath # path to cp, chmod, chown
activateLib.stdio
];
};
};
}