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-rw-r--r--installer/OpenSLX/OSSetup/Distro/Base.pm51
1 files changed, 51 insertions, 0 deletions
diff --git a/installer/OpenSLX/OSSetup/Distro/Base.pm b/installer/OpenSLX/OSSetup/Distro/Base.pm
index d87f3d27..23f1e038 100644
--- a/installer/OpenSLX/OSSetup/Distro/Base.pm
+++ b/installer/OpenSLX/OSSetup/Distro/Base.pm
@@ -18,6 +18,7 @@ use warnings;
our $VERSION = 1.01; # API-version . implementation-version
+use Fcntl qw(:DEFAULT :flock);
use File::Basename;
use OpenSLX::Basics;
use OpenSLX::Utils;
@@ -216,6 +217,56 @@ sub postSystemInstallationHook
{
}
+sub setPasswordForUser
+{
+ my $self = shift;
+ my $username = shift;
+ my $password = shift;
+
+ my $hashedPassword = $self->hashPassword($password);
+
+ my $writePasswordFunction = sub {
+ # now read, change and write shadow-file in atomic manner:
+ my $shadowFile = '/etc/shadow';
+ slxsystem("cp -r $shadowFile $shadowFile~");
+ my $shadowFH;
+ open($shadowFH, '+<', $shadowFile)
+ or croak _tr("could not open file '%s'! (%s)", $shadowFile, $!);
+ flock($shadowFH, LOCK_EX)
+ or croak _tr("could not lock file '%s'! (%s)", $shadowFile, $!);
+ my $content = do { local $/; <$shadowFH> };
+ if ($content =~ m{^$username:}ims) {
+ my $lastChanged = int(time()/24/60/60);
+ my $newEntry
+ = "$username:$hashedPassword:$lastChanged:0:99999:7:::";
+ $content =~ s{^$username:.+?$}{$newEntry}ms;
+ seek($shadowFH, 0, 0);
+ print $shadowFH $content;
+ } else {
+ warn _tr(
+ "user '%s' doesn't exist - unable to set password! (%s)",
+ $username
+ );
+ }
+ close($shadowFH)
+ or croak _tr("could not close file '%s'! (%s)", $shadowFile, $!);
+# unlink "$shadowFile~";
+ };
+ $self->{engine}->callChrootedFunctionForVendorOS($writePasswordFunction);
+}
+
+sub hashPassword
+{
+ my $self = shift;
+ my $password = shift;
+
+ my $busyboxBin = $self->{engine}->{'busybox-binary'};
+ my $hashedPassword = qx{$busyboxBin cryptpw -a md5 $password};
+ chomp $hashedPassword;
+
+ return $hashedPassword;
+}
+
1;
################################################################################