nixpkgs/nixos/modules/security/ca.nix

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{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.security.pki;
cacertPackage = pkgs.cacert.override {
blacklist = cfg.caCertificateBlacklist;
};
caCertificates = pkgs.runCommand "ca-certificates.crt"
{ files =
cfg.certificateFiles ++
[ (builtins.toFile "extra.crt" (concatStringsSep "\n" cfg.certificates)) ];
}
''
cat $files > $out
'';
in
{
options = {
security.pki.certificateFiles = mkOption {
type = types.listOf types.path;
default = [];
example = literalExample "[ \"\${pkgs.cacert}/etc/ssl/certs/ca-bundle.crt\" ]";
description = ''
A list of files containing trusted root certificates in PEM
format. These are concatenated to form
<filename>/etc/ssl/certs/ca-certificates.crt</filename>, which is
used by many programs that use OpenSSL, such as
<command>curl</command> and <command>git</command>.
'';
};
security.pki.certificates = mkOption {
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type = types.listOf types.str;
default = [];
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example = literalExample ''
[ '''
NixOS.org
=========
-----BEGIN CERTIFICATE-----
MIIGUDCCBTigAwIBAgIDD8KWMA0GCSqGSIb3DQEBBQUAMIGMMQswCQYDVQQGEwJJ
TDEWMBQGA1UEChMNU3RhcnRDb20gTHRkLjErMCkGA1UECxMiU2VjdXJlIERpZ2l0
...
-----END CERTIFICATE-----
'''
]
'';
description = ''
A list of trusted root certificates in PEM format.
'';
};
security.pki.caCertificateBlacklist = mkOption {
type = types.listOf types.str;
default = [];
example = [
"WoSign" "WoSign China"
"CA WoSign ECC Root"
"Certification Authority of WoSign G2"
];
description = ''
A list of blacklisted CA certificate names that won't be imported from
the Mozilla Trust Store into
<filename>/etc/ssl/certs/ca-certificates.crt</filename>. Use the
names from that file.
'';
};
};
config = {
security.pki.certificateFiles = [ "${cacertPackage}/etc/ssl/certs/ca-bundle.crt" ];
# NixOS canonical location + Debian/Ubuntu/Arch/Gentoo compatibility.
environment.etc."ssl/certs/ca-certificates.crt".source = caCertificates;
# Old NixOS compatibility.
environment.etc."ssl/certs/ca-bundle.crt".source = caCertificates;
# CentOS/Fedora compatibility.
environment.etc."pki/tls/certs/ca-bundle.crt".source = caCertificates;
};
}