lix/perl/lib/Nix/Config.pm.in
Eelco Dolstra e0def5bc4b Use libsodium instead of OpenSSL for binary cache signing
Sodium's Ed25519 signatures are much shorter than OpenSSL's RSA
signatures. Public keys are also much shorter, so they're now
specified directly in the nix.conf option ‘binary-cache-public-keys’.

The new command ‘nix-store --generate-binary-cache-key’ generates and
prints a public and secret key.
2015-02-04 17:10:31 +01:00

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package Nix::Config;
use MIME::Base64;
$version = "@PACKAGE_VERSION@";
$binDir = $ENV{"NIX_BIN_DIR"} || "@bindir@";
$libexecDir = $ENV{"NIX_LIBEXEC_DIR"} || "@libexecdir@";
$stateDir = $ENV{"NIX_STATE_DIR"} || "@localstatedir@/nix";
$manifestDir = $ENV{"NIX_MANIFESTS_DIR"} || "@localstatedir@/nix/manifests";
$logDir = $ENV{"NIX_LOG_DIR"} || "@localstatedir@/log/nix";
$confDir = $ENV{"NIX_CONF_DIR"} || "@sysconfdir@/nix";
$storeDir = $ENV{"NIX_STORE_DIR"} || "@storedir@";
$bzip2 = "@bzip2@";
$xz = "@xz@";
$curl = "@curl@";
$openssl = "@openssl@";
$useBindings = "@perlbindings@" eq "yes";
%config = ();
%binaryCachePublicKeys = ();
sub readConfig {
if (defined $ENV{'_NIX_OPTIONS'}) {
foreach my $s (split '\n', $ENV{'_NIX_OPTIONS'}) {
my ($n, $v) = split '=', $s, 2;
$config{$n} = $v;
}
} else {
my $config = "$confDir/nix.conf";
return unless -f $config;
open CONFIG, "<$config" or die "cannot open $config";
while (<CONFIG>) {
/^\s*([\w\-\.]+)\s*=\s*(.*)$/ or next;
$config{$1} = $2;
}
close CONFIG;
}
foreach my $s (split(/ /, $config{"binary-cache-public-keys"} // "")) {
my ($keyName, $publicKey) = split ":", $s;
next unless defined $keyName && defined $publicKey;
$binaryCachePublicKeys{$keyName} = decode_base64($publicKey);
}
}
return 1;