--- loncom/lond 2002/02/07 10:22:44 1.70 +++ loncom/lond 2002/02/19 21:52:54 1.72 @@ -2,7 +2,7 @@ # The LearningOnline Network # lond "LON Daemon" Server (port "LOND" 5663) # -# $Id: lond,v 1.70 2002/02/07 10:22:44 harris41 Exp $ +# $Id: lond,v 1.72 2002/02/19 21:52:54 matthew Exp $ # # Copyright Michigan State University Board of Trustees # @@ -48,6 +48,9 @@ # 12/22 Gerd Kortemeyer # YEAR=2002 # 01/20/02,02/05 Gerd Kortemeyer +# 02/05 Guy Albertelli +# 02/07 Scott Harrison +# 02/12 Gerd Kortemeyer ### # based on "Perl Cookbook" ISBN 1-56592-243-3 @@ -637,10 +640,13 @@ sub make_new_child { $pwdcorrect=!$?; } } elsif ($howpwd eq 'krb4') { + $null=pack("C",0); + unless ($upass=~/$null/) { $pwdcorrect=( Authen::Krb4::get_pw_in_tkt($uname,"", $contentpwd,'krbtgt',$contentpwd,1, $upass) == 0); + } else { $pwdcorrect=0; } } elsif ($howpwd eq 'localauth') { $pwdcorrect=&localauth::localauth($uname,$upass, $contentpwd); @@ -664,7 +670,8 @@ sub make_new_child { chomp($npass); $upass=&unescape($upass); $npass=&unescape($npass); - my $proname=propath($udom,$uname); + &logthis("Trying to change password for $uname"); + my $proname=propath($udom,$uname); my $passfilename="$proname/passwd"; if (-e $passfilename) { my $realpasswd; @@ -679,11 +686,42 @@ sub make_new_child { my $ncpass=crypt($npass,$salt); { my $pf = IO::File->new(">$passfilename"); print $pf "internal:$ncpass\n"; } + &logthis("Result of password change for $uname: pwchange_success"); print $client "ok\n"; } else { print $client "non_authorized\n"; } - } else { + } elsif ($howpwd eq 'unix') { + # Unix means we have to access /etc/password + # one way or another. + # First: Make sure the current password is + # correct + $contentpwd=(getpwnam($uname))[1]; + my $pwdcorrect = "0"; + my $pwauth_path="/usr/local/sbin/pwauth"; + unless ($contentpwd eq 'x') { + $pwdcorrect= + (crypt($upass,$contentpwd) eq $contentpwd); + } elsif (-e $pwauth_path) { + open PWAUTH, "|$pwauth_path" or + die "Cannot invoke authentication"; + print PWAUTH "$uname\n$upass\n"; + close PWAUTH; + $pwdcorrect=!$?; + } + if ($pwdcorrect) { + my $execdir=$perlvar{'lonDaemons'}; + my $pf = IO::File->new("|$execdir/lcpasswd"); + print $pf "$uname\n$npass\n$npass\n"; + close $pf; + my $result = ($?>0 ? 'pwchange_failure' + : 'ok'); + &logthis("Result of password change for $uname: $result"); + print $client "$result\n"; + } else { + print $client "non_authorized\n"; + } + } else { print $client "auth_mode_error\n"; } } else { 500 Internal Server Error

Internal Server Error

The server encountered an internal error or misconfiguration and was unable to complete your request.

Please contact the server administrator at root@localhost to inform them of the time this error occurred, and the actions you performed just before this error.

More information about this error may be available in the server error log.