nixpkgs/system/etc.nix

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{config, pkgs, upstartJobs, systemPath, wrapperDir}:
let
optional = option: file:
if config.get option then [file] else [];
envConf = pkgs.writeText "environment" "
PATH=${systemPath}/bin:${systemPath}/sbin
";
in
import ../helpers/make-etc.nix {
inherit (pkgs) stdenv;
configFiles = [
{ # TCP/UDP port assignments.
source = pkgs.iana_etc + "/etc/services";
target = "services";
}
{ # IP protocol numbers.
source = pkgs.iana_etc + "/etc/protocols";
target = "protocols";
}
{ # Hostname-to-IP mappings.
source = ./etc/hosts;
target = "hosts";
}
{ # Name Service Switch configuration file. Required by the C library.
source = ./etc/nsswitch.conf;
target = "nsswitch.conf";
}
{ # Configuration file for the system logging daemon.
source = ./etc/syslog.conf;
target = "syslog.conf";
}
{ # Friendly greeting on the virtual consoles.
source = ./etc/issue;
target = "issue";
}
{ # Configuration for pwdutils (login, passwd, useradd, etc.).
# You cannot login without it!
source = ./etc/login.defs;
target = "login.defs";
}
{ # The Upstart events defined above.
source = upstartJobs + "/etc/event.d";
target = "event.d";
}
{ # Configuration for passwd and friends (e.g., hash algorithm
# for /etc/passwd).
source = ./etc/default/passwd;
target = "default/passwd";
}
{ # Dhclient hooks for emitting ip-up/ip-down events.
source = pkgs.substituteAll {
src = ./etc/dhclient-exit-hooks;
inherit (pkgs) upstart glibc;
};
target = "dhclient-exit-hooks";
}
{ # Script executed when the shell starts.
source = pkgs.substituteAll {
src = ./etc/profile.sh;
inherit systemPath wrapperDir;
inherit (pkgs) kernel;
timeZone = config.get ["time" "timeZone"];
};
target = "profile";
}
]
# Configuration file for fontconfig used to locate
# (X11) client-rendered fonts.
++ (optional ["fonts" "enableFontConfig"] {
source = pkgs.runCommand "fonts.conf"
{
fontDirectories = [
# - the user's .fonts directory
"~/.fonts"
# - the user's current profile
"~/.nix-profile/lib/X11/fonts"
"~/.nix-profile/share/fonts"
# - the default profile
"/nix/var/nix/profiles/default/lib/X11/fonts"
"/nix/var/nix/profiles/default/share/fonts"
# - a few statically built locations
pkgs.xorg.fontbhttf
pkgs.xorg.fontbh100dpi
pkgs.xorg.fontbhlucidatypewriter100dpi
pkgs.ttf_bitstream_vera
pkgs.corefonts
pkgs.freefont_ttf
];
buildInputs = [pkgs.libxslt];
inherit (pkgs) fontconfig;
}
"xsltproc --stringparam fontDirectories \"$fontDirectories\" \\
${./etc/fonts/make-fonts-conf.xsl} $fontconfig/etc/fonts/fonts.conf \\
> $out
";
target = "fonts/fonts.conf";
})
# LDAP configuration.
++ (optional ["users" "ldap" "enable"] {
source = import etc/ldap.conf.nix {
inherit (pkgs) writeText;
inherit config;
};
target = "ldap.conf";
})
# A bunch of PAM configuration files for various programs.
++ (map
(program:
{ source = pkgs.substituteAll {
src = ./etc/pam.d + ("/" + program);
inherit (pkgs) pam_unix2;
pam_ldap =
if config.get ["users" "ldap" "enable"]
then pkgs.pam_ldap
else "/no-such-path";
inherit (pkgs.xorg) xauth;
inherit envConf;
};
target = "pam.d/" + program;
}
)
[
"login"
"su"
"other"
"passwd"
"shadow"
"sshd"
"useradd"
"common-auth"
"common-account"
"common-password"
"common-session"
]
);
}