'.&mt($message).'
' + .''.&mt('Please [_1]log in again[_2].','','') + .'
' + .'' .$end_page ); } @@ -303,9 +190,9 @@ sub reroute { my ($r) = @_; &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; - my $msg=''.&mt('Sorry ...').''.&mt('You are already logged in!').'
' + .'' .'
'.&mt('Please either [_1]continue the current session[_2] or [_3]log out[_4].' ,'','','','') .'
' @@ -371,7 +243,19 @@ sub handler { # ---------------------------------------------------- No valid token, continue - my %form = &get_form_items($r); + + my $buffer; + if ($r->header_in('Content-length') > 0) { + $r->read($buffer,$r->header_in('Content-length'),0); + } + my %form; + foreach my $pair (split(/&/,$buffer)) { + my ($name,$value) = split(/=/,$pair); + $value =~ tr/+/ /; + $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; + $form{$name}=$value; + } + if ((!$form{'uname'}) || (!$form{'upass0'}) || (!$form{'udom'})) { &failed($r,'Username, password and domain need to be specified.', \%form); @@ -380,11 +264,10 @@ sub handler { # split user logging in and "su"-user - ($form{'uname'},$form{'suname'},$form{'sudom'})=split(/\:/,$form{'uname'}); + ($form{'uname'},$form{'suname'})=split(/\:/,$form{'uname'}); $form{'uname'} = &LONCAPA::clean_username($form{'uname'}); $form{'suname'}= &LONCAPA::clean_username($form{'suname'}); - $form{'udom'} = &LONCAPA::clean_domain($form{'udom'}); - $form{'sudom'} = &LONCAPA::clean_domain($form{'sudom'}); + $form{'udom'} = &LONCAPA::clean_domain( $form{'udom'}); my $role = $r->dir_config('lonRole'); my $domain = $r->dir_config('lonDefDomain'); @@ -415,13 +298,40 @@ sub handler { return OK; } - my ($des_key,$firsturl,@rest)=split(/&/,$tmpinfo); - $firsturl = &unescape($firsturl); - foreach my $item (@rest) { - my ($key,$value) = split(/=/,$item); - $form{$key} = &unescape($value); + my ($key,$firsturl,$rolestr,$symbstr)=split(/&/,$tmpinfo); + if ($rolestr) { + $rolestr = &unescape($rolestr); + } + if ($symbstr) { + $symbstr= &unescape($symbstr); + } + if ($rolestr =~ /^role=/) { + (undef,$form{'role'}) = split('=',$rolestr); + } + if ($symbstr =~ /^symb=/) { + (undef,$form{'symb'}) = split('=',$symbstr); + } + + my $keybin=pack("H16",$key); + + my $cipher; + if ($Crypt::DES::VERSION>=2.03) { + $cipher=new Crypt::DES $keybin; + } + else { + $cipher=new DES $keybin; + } + my $upass=''; + for (my $i=0;$i<=2;$i++) { + my $chunk= + $cipher->decrypt(unpack("a8",pack("H16",substr($form{'upass'.$i},0,16)))); + + $chunk.= + $cipher->decrypt(unpack("a8",pack("H16",substr($form{'upass'.$i},16,16)))); + + $chunk=substr($chunk,1,ord(substr($chunk,0,1))); + $upass.=$chunk; } - my $upass = &Apache::loncommon::des_decrypt($des_key,$form{'upass0'}); # ---------------------------------------------------------------- Authenticate @@ -442,33 +352,9 @@ sub handler { # --------------------------------------------------------------------- Failed? if ($authhost eq 'no_host') { - my $pwdverify; - if (&Apache::lonnet::homeserver($form{'uname'},$form{'udom'}) eq 'no_host') { - my %possunames = &alternate_unames_check($form{'uname'},$form{'udom'}); - if (keys(%possunames) > 0) { - foreach my $rulematch (keys(%possunames)) { - my $possuname = $possunames{$rulematch}; - if (($possuname ne '') && ($possuname =~ /^$match_username$/)) { - $authhost=Apache::lonnet::authenticate($possuname,$upass, - $form{'udom'},undef, - $clientcancheckhost); - if (($authhost eq 'no_host') || ($authhost eq 'no_account_on_host')) { - next; - } elsif (($authhost ne '') && (&Apache::lonnet::hostname($authhost) ne '')) { - $pwdverify = 1; - &Apache::lonnet::logthis("Authenticated user: $possuname was submitted as: $form{'uname'}"); - $form{'uname'} = $possuname; - last; - } - } - } - } - } - unless ($pwdverify) { - &failed($r,'Username and/or password could not be authenticated.', - \%form); - return OK; - } + &failed($r,'Username and/or password could not be authenticated.', + \%form); + return OK; } elsif ($authhost eq 'no_account_on_host') { if ($defaultauth) { my $domdesc = &Apache::lonnet::domain($form{'udom'},'description'); @@ -476,8 +362,7 @@ sub handler { return OK; } my $start_page = - &Apache::loncommon::start_page('Create a user account in LON-CAPA', - '',{'no_inline_link' => 1,}); + &Apache::loncommon::start_page('Create a user account in LON-CAPA'); my $lonhost = $r->dir_config('lonHostID'); my $origmail = $Apache::lonnet::perlvar{'lonSupportEMail'}; my $contacts = @@ -506,81 +391,22 @@ sub handler { ($firsturl=~/^\/adm\/(logout|remote)/)) { $firsturl='/adm/roles'; } - - my ($hosthere,%sessiondata); - if ($form{'iptoken'}) { - %sessiondata = &Apache::lonnet::tmpget($form{'iptoken'}); - my $delete = &Apache::lonnet::tmpdel($form{'iptoken'}); - if (($sessiondata{'domain'} eq $form{'udom'}) && - ($sessiondata{'username'} eq $form{'uname'})) { - $hosthere = 1; - } - } - # --------------------------------- Are we attempting to login as somebody else? if ($form{'suname'}) { - my ($suname,$sudom,$sudomref); - $suname = $form{'suname'}; - $sudom = $form{'udom'}; - if ($form{'sudom'}) { - unless ($sudom eq $form{'sudom'}) { - if (&Apache::lonnet::domain($form{'sudom'})) { - $sudomref = [$form{'sudom'}]; - $sudom = $form{'sudom'}; - } - } - } # ------------ see if the original user has enough privileges to pull this stunt - if (&Apache::lonnet::privileged($form{'uname'},$form{'udom'},$sudomref)) { + if (&Apache::lonnet::privileged($form{'uname'},$form{'udom'})) { # ---------------------------------------------------- see if the su-user exists - unless (&Apache::lonnet::homeserver($suname,$sudom) eq 'no_host') { + unless (&Apache::lonnet::homeserver($form{'suname'},$form{'udom'}) + eq 'no_host') { + &Apache::lonnet::logthis(&Apache::lonnet::homeserver($form{'suname'},$form{'udom'})); # ------------------------------ see if the su-user is not too highly privileged - if (&Apache::lonnet::privileged($suname,$sudom)) { - &Apache::lonnet::logthis('Attempted switch user to privileged user'); - } else { - my $noprivswitch; -# -# su-user's home server and user's home server must have one of: -# (a) same domain -# (b) same primary library server for the two domains -# (c) same "internet domain" for primary library server(s) for home servers' domains -# - my $suprim = &Apache::lonnet::domain($sudom,'primary'); - my $suintdom = &Apache::lonnet::internet_dom($suprim); - unless ($sudom eq $form{'udom'}) { - my $uprim = &Apache::lonnet::domain($form{'udom'},'primary'); - my $uintdom = &Apache::lonnet::internet_dom($uprim); - unless ($suprim eq $uprim) { - unless ($suintdom eq $uintdom) { - &Apache::lonnet::logthis('Attempted switch user ' - .'to user with different "internet domain".'); - $noprivswitch = 1; - } - } - } - - unless ($noprivswitch) { -# -# server where log-in occurs must have same "internet domain" as su-user's home -# server -# - my $lonhost = $r->dir_config('lonHostID'); - my $hostintdom = &Apache::lonnet::internet_dom($lonhost); - if ($hostintdom ne $suintdom) { - &Apache::lonnet::logthis('Attempted switch user on a ' - .'server with a different "internet domain".'); - } else { - + unless (&Apache::lonnet::privileged($form{'suname'},$form{'udom'})) { # -------------------------------------------------------- actually switch users - - &Apache::lonnet::logperm('User '.$form{'uname'}.' at '. - $form{'udom'}.' logging in as '.$suname.':'.$sudom); - $form{'uname'}=$suname; - if ($form{'udom'} ne $sudom) { - $form{'udom'}=$sudom; - } - } - } + &Apache::lonnet::logperm('User '.$form{'uname'}.' at '.$form{'udom'}. + ' logging in as '.$form{'suname'}); + $form{'uname'}=$form{'suname'}; + } else { + &Apache::lonnet::logthis('Attempted switch user to privileged user'); } } } else { @@ -588,51 +414,18 @@ sub handler { } } - my ($is_balancer,$otherserver); + my ($is_balancer,$otherserver) = + &Apache::lonnet::check_loadbalancing($form{'uname'},$form{'udom'}); - unless ($hosthere) { - ($is_balancer,$otherserver) = - &Apache::lonnet::check_loadbalancing($form{'uname'},$form{'udom'},'login'); - if ($is_balancer) { - # Check if browser sent a LON-CAPA load balancer cookie (and this is a balancer) - my ($found_server,$balancer_cookie) = &Apache::lonnet::check_for_balancer_cookie($r); - if (($found_server) && ($balancer_cookie =~ /^\Q$env{'user.domain'}\E_\Q$env{'user.name'}\E_/)) { - $otherserver = $found_server; - } - if ($otherserver eq '') { - my $lowest_load; - ($otherserver,undef,undef,undef,$lowest_load) = &Apache::lonnet::choose_server($form{'udom'}); - if ($lowest_load > 100) { - $otherserver = &Apache::lonnet::spareserver($r,$lowest_load,$lowest_load,1,$form{'udom'}); - } - } - if ($otherserver ne '') { - my @hosts = &Apache::lonnet::current_machine_ids(); - if (grep(/^\Q$otherserver\E$/,@hosts)) { - $hosthere = $otherserver; - } - } + if ($is_balancer) { + if (!$otherserver) { + ($otherserver) = &Apache::lonnet::choose_server($form{'udom'}); } - } - - if (($is_balancer) && (!$hosthere)) { if ($otherserver) { &success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect',undef, \%form); - my $switchto = '/adm/switchserver?otherserver='.$otherserver; - if (($firsturl) && ($firsturl ne '/adm/switchserver') && ($firsturl ne '/adm/roles')) { - $switchto .= '&origurl='.$firsturl; - } - if ($form{'role'}) { - $switchto .= '&role='.$form{'role'}; - } - if ($form{'symb'}) { - $switchto .= '&symb='.$form{'symb'}; - } - $r->internal_redirect($switchto); + $r->internal_redirect('/adm/switchserver?otherserver='.$otherserver.'&origurl='.$firsturl); } else { - &Apache::loncommon::content_type($r,'text/html'); - $r->send_http_header; $r->print(&noswitch()); } return OK; @@ -642,20 +435,8 @@ sub handler { if ($otherserver) { &success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect',undef, \%form); - my $switchto = '/adm/switchserver?otherserver='.$otherserver; - if (($firsturl) && ($firsturl ne '/adm/switchserver') && ($firsturl ne '/adm/roles')) { - $switchto .= '&origurl='.$firsturl; - } - if ($form{'role'}) { - $switchto .= '&role='.$form{'role'}; - } - if ($form{'symb'}) { - $switchto .= '&symb='.$form{'symb'}; - } - $r->internal_redirect($switchto); + $r->internal_redirect('/adm/switchserver?otherserver='.$otherserver.'&origurl='.$firsturl); } else { - &Apache::loncommon::content_type($r,'text/html'); - $r->send_http_header; $r->print(&noswitch()); } return OK; @@ -676,7 +457,7 @@ sub handler { # ---------------------------------------------------------- Are we overloaded? if ((($userloadpercent>100.0)||($loadpercent>100.0))) { - my $unloaded=Apache::lonnet::spareserver($r,$loadpercent,$userloadpercent,1,$form{'udom'}); + my $unloaded=Apache::lonnet::spareserver($loadpercent,$userloadpercent,1,$form{'udom'}); if (!$unloaded) { ($unloaded) = &Apache::lonnet::choose_server($form{'udom'}); } @@ -687,73 +468,12 @@ sub handler { return OK; } } - if (($is_balancer) && ($hosthere)) { - $form{'noloadbalance'} = $hosthere; - } - my $extra_env; - if (($hosthere) && ($sessiondata{'sessionserver'} ne '')) { - if ($sessiondata{'origurl'} ne '') { - $firsturl = $sessiondata{'origurl'}; - $form{'firsturl'} = $sessiondata{'origurl'}; - my @names = ('role','symb','linkprot','linkkey'); - foreach my $item (@names) { - if ($sessiondata{$item} ne '') { - $form{$item} = $sessiondata{$item}; - } - } - } - } &success($r,$form{'uname'},$form{'udom'},$authhost,$firsturl,undef, \%form); return OK; } } -sub get_form_items { - my ($r) = @_; - my $buffer; - if ($r->header_in('Content-length') > 0) { - $r->read($buffer,$r->header_in('Content-length'),0); - } - my %form; - foreach my $pair (split(/&/,$buffer)) { - my ($name,$value) = split(/=/,$pair); - $value =~ tr/+/ /; - $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg; - $form{$name}=$value; - } - return %form; -} - -sub set_retry_token { - my ($form,$lonhost,$querystr) = @_; - if (ref($form) eq 'HASH') { - my ($firsturl,$token,$extras,@names); - @names = ('role','symb','iptoken'); - foreach my $name (@names) { - if ($form->{$name} ne '') { - $extras .= '&'.$name.'='.&escape($form->{$name}); - last if ($name eq 'linkprot'); - } - } - my $firsturl = $form->{'firsturl'}; - if (($firsturl ne '') || ($extras ne '')) { - $extras .= ':retry'; - $token = &Apache::lonnet::reply('tmpput:'.&escape($firsturl). - $extras,$lonhost); - if (($token eq 'con_lost') || ($token eq 'no_such_host')) { - return 'fail'; - } else { - if (ref($querystr)) { - $$querystr = 'retry='.$token; - } - return 'ok'; - } - } - } - return; -} - sub check_can_host { my ($r,$form,$authhost,$domdesc) = @_; return unless (ref($form) eq 'HASH'); @@ -794,8 +514,6 @@ sub check_can_host { if ($login_host ne '') { my $protocol = $Apache::lonnet::protocol{$login_host}; $protocol = 'http' if ($protocol ne 'https'); - my $alias = &Apache::lonnet::use_proxy_alias($r,$login_host); - $hostname = $alias if ($alias ne ''); my $newurl = $protocol.'://'.$hostname.'/adm/createaccount'; $r->print(&Apache::loncommon::start_page('Create a user account in LON-CAPA'). '