--- loncom/lond 2002/08/13 00:37:18 1.90 +++ loncom/lond 2002/08/22 20:00:00 1.91 @@ -2,7 +2,7 @@ # The LearningOnline Network # lond "LON Daemon" Server (port "LOND" 5663) # -# $Id: lond,v 1.90 2002/08/13 00:37:18 stredwic Exp $ +# $Id: lond,v 1.91 2002/08/22 20:00:00 albertel Exp $ # # Copyright Michigan State University Board of Trustees # @@ -74,6 +74,7 @@ use Crypt::IDEA; use LWP::UserAgent(); use GDBM_File; use Authen::Krb4; +use Authen::Krb5; use lib '/home/httpd/lib/perl/'; use localauth; @@ -488,7 +489,10 @@ sub make_new_child { or die "Can't unblock SIGINT for fork: $!\n"; $tmpsnum=0; - +#---------------------------------------------------- kerberos 5 initialization + &Authen::Krb5::init_context(); + &Authen::Krb5::init_ets(); + # handle connections until we've reached $MAX_CLIENTS_PER_CHILD for ($i=0; $i < $MAX_CLIENTS_PER_CHILD; $i++) { &status('Idle, waiting for connection'); @@ -652,6 +656,24 @@ sub make_new_child { $contentpwd,'krbtgt',$contentpwd,1, $upass) == 0); } else { $pwdcorrect=0; } + } elsif ($howpwd eq 'krb5') { + $null=pack("C",0); + unless ($upass=~/$null/) { + my $krbclient=&Authen::Krb5::parse_name($uname.'@'.$contentpwd); + &logthis("Realm ".$krbclient->realm); + my $krbservice="krbtgt/".$contentpwd."\@".$contentpwd; + my $krbserver=&Authen::Krb5::parse_name($krbservice); + my $credentials=&Authen::Krb5::cc_default(); + $credentials->initialize($krbclient); + my $krbreturn = + &Authen::Krb5::get_in_tkt_with_password( + $krbclient,$krbserver,$upass,$credentials); + unless ($krbreturn) { + &logthis("Krb5 Error: ". + &Authen::Krb5::error()); + } + $pwdcorrect = ($krbreturn == 1); + } else { $pwdcorrect=0; } } elsif ($howpwd eq 'localauth') { $pwdcorrect=&localauth::localauth($uname,$upass, $contentpwd); @@ -737,7 +759,7 @@ sub make_new_child { } # -------------------------------------------------------------------- makeuser } elsif ($userinput =~ /^makeuser/) { - Debug("Make user received"); + &Debug("Make user received"); my $oldumask=umask(0077); if ($wasenc==1) { my @@ -767,53 +789,9 @@ sub make_new_child { } } unless ($fperror) { - if ($umode eq 'krb4') { - { - my $pf = IO::File->new(">$passfilename"); - print $pf "krb4:$npass\n"; - } - print $client "ok\n"; - } elsif ($umode eq 'internal') { - my $salt=time; - $salt=substr($salt,6,2); - my $ncpass=crypt($npass,$salt); - { - &Debug("Creating internal auth"); - my $pf = IO::File->new(">$passfilename"); - print $pf "internal:$ncpass\n"; - } - print $client "ok\n"; - } elsif ($umode eq 'localauth') { - { - my $pf = IO::File->new(">$passfilename"); - print $pf "localauth:$npass\n"; - } - print $client "ok\n"; - } elsif ($umode eq 'unix') { - { - my $execpath="$perlvar{'lonDaemons'}/". - "lcuseradd"; - { - &Debug("Executing external: ". - $execpath); - my $se = IO::File->new("|$execpath"); - print $se "$uname\n"; - print $se "$npass\n"; - print $se "$npass\n"; - } - my $pf = IO::File->new(">$passfilename"); - print $pf "unix:\n"; - } - print $client "ok\n"; - } elsif ($umode eq 'none') { - { - my $pf = IO::File->new(">$passfilename"); - print $pf "none:\n"; - } - print $client "ok\n"; - } else { - print $client "auth_mode_error\n"; - } + my $result=&make_passwd_file($umode,$npass, + $passfilename); + print $client $result; } else { print $client "$fperror\n"; } @@ -827,60 +805,18 @@ sub make_new_child { &Debug("Changing authorization"); if ($wasenc==1) { my - ($cmd,$udom,$uname,$umode,$npass)=split(/:/,$userinput); + ($cmd,$udom,$uname,$umode,$npass)=split(/:/,$userinput); chomp($npass); &Debug("cmd = ".$cmd." domain= ".$udom. "uname =".$uname." umode= ".$umode); $npass=&unescape($npass); - my $proname=propath($udom,$uname); + my $proname=&propath($udom,$uname); my $passfilename="$proname/passwd"; if ($udom ne $perlvar{'lonDefDomain'}) { print $client "not_right_domain\n"; } else { - if ($umode eq 'krb4') { - { - my $pf = IO::File->new(">$passfilename"); - print $pf "krb4:$npass\n"; - } - print $client "ok\n"; - } elsif ($umode eq 'internal') { - my $salt=time; - $salt=substr($salt,6,2); - my $ncpass=crypt($npass,$salt); - { - my $pf = IO::File->new(">$passfilename"); - print $pf "internal:$ncpass\n"; - } - print $client "ok\n"; - } elsif ($umode eq 'localauth') { - { - my $pf = IO::File->new(">$passfilename"); - print $pf "localauth:$npass\n"; - } - print $client "ok\n"; - } elsif ($umode eq 'unix') { - { - my $execpath="$perlvar{'lonDaemons'}/". - "lcuseradd"; - { - my $se = IO::File->new("|$execpath"); - print $se "$uname\n"; - print $se "$npass\n"; - print $se "$npass\n"; - } - my $pf = IO::File->new(">$passfilename"); - print $pf "unix:\n"; - } - print $client "ok\n"; - } elsif ($umode eq 'none') { - { - my $pf = IO::File->new(">$passfilename"); - print $pf "none:\n"; - } - print $client "ok\n"; - } else { - print $client "auth_mode_error\n"; - } + &make_passwd_file($umode,$npass,$passfilename); + print $client $result; } } else { print $client "refused\n"; @@ -1539,7 +1475,7 @@ sub GetAuthType my ($authtype, $contentpwd) = split(/:/, $realpassword); Debug("Authtype = $authtype, content = $contentpwd\n"); my $availinfo = ''; - if($authtype eq 'krb4') { + if($authtype eq 'krb4' or $authtype eq 'krb5') { $availinfo = $contentpwd; } @@ -1661,6 +1597,53 @@ sub subscribe { } return $result; } + +sub make_passwd_file { + my ($umode,$npass,$passfilename)=@_; + my $result="ok\n"; + if ($umode eq 'krb4' or $umode eq 'krb5') { + { + my $pf = IO::File->new(">$passfilename"); + print $pf "$umode:$npass\n"; + } + } elsif ($umode eq 'internal') { + my $salt=time; + $salt=substr($salt,6,2); + my $ncpass=crypt($npass,$salt); + { + &Debug("Creating internal auth"); + my $pf = IO::File->new(">$passfilename"); + print $pf "internal:$ncpass\n"; + } + } elsif ($umode eq 'localauth') { + { + my $pf = IO::File->new(">$passfilename"); + print $pf "localauth:$npass\n"; + } + } elsif ($umode eq 'unix') { + { + my $execpath="$perlvar{'lonDaemons'}/"."lcuseradd"; + { + &Debug("Executing external: ".$execpath); + my $se = IO::File->new("|$execpath"); + print $se "$uname\n"; + print $se "$npass\n"; + print $se "$npass\n"; + } + my $pf = IO::File->new(">$passfilename"); + print $pf "unix:\n"; + } + } elsif ($umode eq 'none') { + { + my $pf = IO::File->new(">$passfilename"); + print $pf "none:\n"; + } + } else { + $result="auth_mode_error\n"; + } + return $result; +} + # ----------------------------------- POD (plain old documentation, CPAN style) =head1 NAME @@ -1959,6 +1942,7 @@ Crypt::IDEA LWP::UserAgent() GDBM_File Authen::Krb4 +Authen::Krb5 =head1 COREQUISITES