version 1.137, 2015/01/26 22:11:52
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version 1.146, 2017/08/08 18:12:18
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Line 29
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Line 29
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package Apache::lonauth;
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package Apache::lonauth;
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use strict;
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use strict;
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use LONCAPA;
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use LONCAPA qw(:DEFAULT :match);
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use Apache::Constants qw(:common);
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use Apache::Constants qw(:common);
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use CGI qw(:standard);
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use CGI qw(:standard);
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use DynaLoader; # for Crypt::DES version
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use Crypt::DES;
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use Apache::loncommon();
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use Apache::loncommon();
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use Apache::lonnet;
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use Apache::lonnet;
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use Apache::lonmenu();
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use Apache::lonmenu();
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Line 42 use Fcntl qw(:flock);
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Line 40 use Fcntl qw(:flock);
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use Apache::lonlocal;
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use Apache::lonlocal;
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use Apache::File();
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use Apache::File();
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use HTML::Entities;
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use HTML::Entities;
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use Digest::MD5;
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# ------------------------------------------------------------ Successful login
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# ------------------------------------------------------------ Successful login
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sub success {
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sub success {
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Line 72 sub success {
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Line 71 sub success {
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}
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}
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}
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}
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# ------------------------------------------------------------ Get cookie ready
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# ----------------------------------------------------------- Get cookies ready
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$cookie="lonID=$cookie; path=/";
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my ($securecookie,$defaultcookie);
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if ($ENV{'SERVER_PORT'} == 443) {
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$securecookie="lonID=$cookie; path=/; HttpOnly; secure";
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my $lonidsdir=$r->dir_config('lonIDsDir');
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if (($lonidsdir) && (-e "$lonidsdir/$cookie.id")) {
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my $linkname=substr(Digest::MD5::md5_hex(Digest::MD5::md5_hex(time(). {}. rand(). $$)), 0, 32).'_linked';
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if (-e "$lonidsdir/$linkname.id") {
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unlink("$lonidsdir/$linkname.id");
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}
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my $made_symlink = eval { symlink("$lonidsdir/$cookie.id",
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"$lonidsdir/$linkname.id"); 1 };
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if ($made_symlink) {
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$defaultcookie = "lonLinkID=$linkname; path=/; HttpOnly;";
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&Apache::lonnet::appenv({'user.linkedenv' => "$lonidsdir/$linkname.id"});
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}
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}
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} else {
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$defaultcookie = "lonID=$cookie; path=/; HttpOnly;";
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}
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# -------------------------------------------------------- Menu script and info
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# -------------------------------------------------------- Menu script and info
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my $destination = $lowerurl;
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my $destination = $lowerurl;
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Line 122 sub success {
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Line 139 sub success {
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my $header = '<meta HTTP-EQUIV="Refresh" CONTENT="0; url='.$destination.'" />';
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my $header = '<meta HTTP-EQUIV="Refresh" CONTENT="0; url='.$destination.'" />';
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my $brcrum = [{'href' => '',
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my $brcrum = [{'href' => '',
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'text' => 'Successful Login'},];
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'text' => 'Successful Login'},];
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my $args = {'bread_crumbs' => $brcrum,};
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unless ((defined($form->{role})) || (defined($form->{symb}))) {
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my $update=$env{'user.update.time'};
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if (!$update) {
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$update = $env{'user.login.time'};
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}
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my %roles_in_env;
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my $showcount = &Apache::lonroles::roles_from_env(\%roles_in_env,$update);
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if ($showcount == 1) {
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foreach my $rolecode (keys(%roles_in_env)) {
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my ($cid) = ($rolecode =~ m{^\Quser.role.st./\E($match_domain/$match_courseid)(?:/|$)});
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if ($cid) {
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my %coursedescription =
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&Apache::lonnet::coursedescription($cid,{'one_time' => '1'});
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if ($coursedescription{'type'} eq 'Placement') {
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$args->{'crstype'} = 'Placement';
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}
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last;
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}
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}
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}
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}
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my $start_page=&Apache::loncommon::start_page('Successful Login',
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my $start_page=&Apache::loncommon::start_page('Successful Login',
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$header,
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$header,$args);
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{'bread_crumbs' => $brcrum,});
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my $end_page =&Apache::loncommon::end_page();
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my $end_page =&Apache::loncommon::end_page();
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my $continuelink='<a href="'.$destination.'">'.&mt('Continue').'</a>';
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my $continuelink='<a href="'.$destination.'">'.&mt('Continue').'</a>';
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# ------------------------------------------------- Output for successful login
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# ------------------------------------------------- Output for successful login
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&Apache::loncommon::content_type($r,'text/html');
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&Apache::loncommon::content_type($r,'text/html');
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$r->header_out('Set-cookie' => $cookie);
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if ($securecookie) {
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$r->headers_out->add('Set-cookie' => $securecookie);
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}
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if ($defaultcookie) {
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$r->headers_out->add('Set-cookie' => $defaultcookie);
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}
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$r->send_http_header;
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$r->send_http_header;
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my %lt=&Apache::lonlocal::texthash(
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my %lt=&Apache::lonlocal::texthash(
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Line 228 sub reroute {
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Line 271 sub reroute {
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sub handler {
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sub handler {
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my $r = shift;
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my $r = shift;
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my $londocroot = $r->dir_config('lonDocRoot');
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my $londocroot = $r->dir_config('lonDocRoot');
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my $form;
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# Are we re-routing?
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# Are we re-routing?
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if (-e "$londocroot/lon-status/reroute.txt") {
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if (-e "$londocroot/lon-status/reroute.txt") {
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&reroute($r);
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&reroute($r);
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Line 292 sub handler {
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Line 334 sub handler {
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# split user logging in and "su"-user
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# split user logging in and "su"-user
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($form{'uname'},$form{'suname'})=split(/\:/,$form{'uname'});
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($form{'uname'},$form{'suname'},$form{'sudom'})=split(/\:/,$form{'uname'});
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$form{'uname'} = &LONCAPA::clean_username($form{'uname'});
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$form{'uname'} = &LONCAPA::clean_username($form{'uname'});
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$form{'suname'}= &LONCAPA::clean_username($form{'suname'});
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$form{'suname'}= &LONCAPA::clean_username($form{'suname'});
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$form{'udom'} = &LONCAPA::clean_domain( $form{'udom'});
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$form{'udom'} = &LONCAPA::clean_domain($form{'udom'});
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$form{'sudom'} = &LONCAPA::clean_domain($form{'sudom'});
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my $role = $r->dir_config('lonRole');
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my $role = $r->dir_config('lonRole');
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my $domain = $r->dir_config('lonDefDomain');
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my $domain = $r->dir_config('lonDefDomain');
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Line 307 sub handler {
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Line 350 sub handler {
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my $tmpinfo=Apache::lonnet::reply('tmpget:'.$form{'logtoken'},
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my $tmpinfo=Apache::lonnet::reply('tmpget:'.$form{'logtoken'},
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$form{'serverid'});
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$form{'serverid'});
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my %sessiondata;
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if ($form{'iptoken'}) {
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%sessiondata = &Apache::lonnet::tmpget($form{'iptoken'});
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my $delete = &Apache::lonnet::tmpdel($form{'iptoken'});
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}
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if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost') ||
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if (($tmpinfo=~/^error/) || ($tmpinfo eq 'con_lost') ||
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($tmpinfo eq 'no_such_host')) {
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($tmpinfo eq 'no_such_host')) {
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&failed($r,'Information needed to verify your login information is missing, inaccessible or expired.',\%form);
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&failed($r,'Information needed to verify your login information is missing, inaccessible or expired.',\%form);
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Line 332 sub handler {
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Line 369 sub handler {
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return OK;
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return OK;
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}
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}
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my ($key,$firsturl,$rolestr,$symbstr)=split(/&/,$tmpinfo);
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my ($key,$firsturl,$rolestr,$symbstr,$iptokenstr)=split(/&/,$tmpinfo);
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if ($rolestr) {
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if ($rolestr) {
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$rolestr = &unescape($rolestr);
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$rolestr = &unescape($rolestr);
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}
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}
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if ($symbstr) {
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if ($symbstr) {
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$symbstr= &unescape($symbstr);
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$symbstr= &unescape($symbstr);
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}
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}
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if ($iptokenstr) {
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$iptokenstr = &unescape($iptokenstr);
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}
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if ($rolestr =~ /^role=/) {
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if ($rolestr =~ /^role=/) {
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(undef,$form{'role'}) = split('=',$rolestr);
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(undef,$form{'role'}) = split('=',$rolestr);
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}
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}
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if ($symbstr =~ /^symb=/) {
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if ($symbstr =~ /^symb=/) {
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(undef,$form{'symb'}) = split('=',$symbstr);
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(undef,$form{'symb'}) = split('=',$symbstr);
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}
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}
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if ($iptokenstr =~ /^iptoken=/) {
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(undef,$form{'iptoken'}) = split('=',$iptokenstr);
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}
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my $upass = $ENV{HTTPS} ? join("", @form{qw(upass0 upass1 upass2)})
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my $upass = $ENV{HTTPS} ? $form{'upass0'}
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: decrypt($key, @form{qw(upass0 upass1 upass2)});
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: &Apache::loncommon::des_decrypt($key,$form{'upass0'});
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# ---------------------------------------------------------------- Authenticate
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# ---------------------------------------------------------------- Authenticate
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Line 410 sub handler {
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Line 453 sub handler {
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my $hosthere;
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my $hosthere;
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if ($form{'iptoken'}) {
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if ($form{'iptoken'}) {
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my %sessiondata = &Apache::lonnet::tmpget($form{'iptoken'});
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my $delete = &Apache::lonnet::tmpdel($form{'iptoken'});
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if (($sessiondata{'domain'} eq $form{'udom'}) &&
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if (($sessiondata{'domain'} eq $form{'udom'}) &&
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($sessiondata{'username'} eq $form{'uname'})) {
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($sessiondata{'username'} eq $form{'uname'})) {
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$hosthere = 1;
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$hosthere = 1;
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Line 418 sub handler {
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Line 463 sub handler {
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# --------------------------------- Are we attempting to login as somebody else?
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# --------------------------------- Are we attempting to login as somebody else?
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if ($form{'suname'}) {
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if ($form{'suname'}) {
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my ($suname,$sudom,$sudomref);
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$suname = $form{'suname'};
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$sudom = $form{'udom'};
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if ($form{'sudom'}) {
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unless ($sudom eq $form{'sudom'}) {
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if (&Apache::lonnet::domain($form{'sudom'})) {
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$sudomref = [$form{'sudom'}];
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$sudom = $form{'sudom'};
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}
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}
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}
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# ------------ see if the original user has enough privileges to pull this stunt
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# ------------ see if the original user has enough privileges to pull this stunt
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if (&Apache::lonnet::privileged($form{'uname'},$form{'udom'})) {
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if (&Apache::lonnet::privileged($form{'uname'},$form{'udom'},$sudomref)) {
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# ---------------------------------------------------- see if the su-user exists
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# ---------------------------------------------------- see if the su-user exists
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unless (&Apache::lonnet::homeserver($form{'suname'},$form{'udom'})
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unless (&Apache::lonnet::homeserver($suname,$sudom) eq 'no_host') {
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eq 'no_host') {
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&Apache::lonnet::logthis(&Apache::lonnet::homeserver($form{'suname'},$form{'udom'}));
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# ------------------------------ see if the su-user is not too highly privileged
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# ------------------------------ see if the su-user is not too highly privileged
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unless (&Apache::lonnet::privileged($form{'suname'},$form{'udom'})) {
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if (&Apache::lonnet::privileged($suname,$sudom)) {
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&Apache::lonnet::logthis('Attempted switch user to privileged user');
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} else {
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my $noprivswitch;
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#
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# su-user's home server and user's home server must have one of:
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# (a) same internet dom
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# (b) same primary library server for home server's domain
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# (c) same "internet domain" for primary library server for home server's domain
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#
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my $uprim = &Apache::lonnet::domain($sudom,'primary');
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my $uintdom = &Apache::lonnet::internet_dom($uprim);
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unless ($sudom eq $form{'udom'}) {
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my $suprim = &Apache::lonnet::domain($sudom,'primary');
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my $suintdom = &Apache::lonnet::internet_dom($suprim);
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unless ($suprim eq $uprim) {
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unless ($suintdom eq $uintdom) {
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&Apache::lonnet::logthis('Attempted switch user '
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.'to user with different "internet domain".');
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$noprivswitch = 1;
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}
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}
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}
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unless ($noprivswitch) {
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#
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# server where log-in occurs must have same "internet domain" as su-user's home
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# server
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#
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my $lonhost = $r->dir_config('lonHostID');
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my $hostintdom = &Apache::lonnet::internet_dom($lonhost);
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if ($hostintdom ne $uintdom) {
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&Apache::lonnet::logthis('Attempted switch user on a '
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.'server with a different "internet domain".');
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} else {
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# -------------------------------------------------------- actually switch users
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# -------------------------------------------------------- actually switch users
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&Apache::lonnet::logperm('User '.$form{'uname'}.' at '.$form{'udom'}.
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' logging in as '.$form{'suname'});
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&Apache::lonnet::logperm('User '.$form{'uname'}.' at '.
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$form{'uname'}=$form{'suname'};
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$form{'udom'}.' logging in as '.$suname.':'.$sudom);
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} else {
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$form{'uname'}=$suname;
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&Apache::lonnet::logthis('Attempted switch user to privileged user');
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if ($form{'udom'} ne $sudom) {
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$form{'udom'}=$sudom;
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}
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}
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}
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}
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}
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}
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}
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} else {
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} else {
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Line 443 sub handler {
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Line 536 sub handler {
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unless ($hosthere) {
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unless ($hosthere) {
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($is_balancer,$otherserver) =
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($is_balancer,$otherserver) =
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&Apache::lonnet::check_loadbalancing($form{'uname'},$form{'udom'});
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&Apache::lonnet::check_loadbalancing($form{'uname'},$form{'udom'},'login');
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if ($is_balancer) {
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if ($otherserver eq '') {
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my $lowest_load;
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($otherserver,undef,undef,undef,$lowest_load) = &Apache::lonnet::choose_server($form{'udom'});
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if ($lowest_load > 100) {
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$otherserver = &Apache::lonnet::spareserver($lowest_load,$lowest_load,1,$form{'udom'});
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}
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}
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if ($otherserver ne '') {
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my @hosts = &Apache::lonnet::current_machine_ids();
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if (grep(/^\Q$otherserver\E$/,@hosts)) {
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$hosthere = $otherserver;
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}
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}
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}
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}
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}
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if ($is_balancer) {
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if (($is_balancer) && (!$hosthere)) {
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if (!$otherserver) {
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($otherserver) = &Apache::lonnet::choose_server($form{'udom'});
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}
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if ($otherserver) {
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if ($otherserver) {
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&success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect',undef,
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&success($r,$form{'uname'},$form{'udom'},$authhost,'noredirect',undef,
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\%form);
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\%form);
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Line 517 sub handler {
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Line 622 sub handler {
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return OK;
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return OK;
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}
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}
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}
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}
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if (($is_balancer) && ($hosthere)) {
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$form{'noloadbalance'} = $hosthere;
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}
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&success($r,$form{'uname'},$form{'udom'},$authhost,$firsturl,undef,
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&success($r,$form{'uname'},$form{'udom'},$authhost,$firsturl,undef,
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\%form);
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\%form);
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return OK;
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return OK;
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}
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}
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}
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}
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sub decrypt {
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my ($key, @chunks) = @_;
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my $keybin = pack("H16",$key);
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my $cipher;
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if ($Crypt::DES::VERSION >= 2.03) {
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$cipher = new Crypt::DES $keybin;
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} else {
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$cipher = new DES $keybin;
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}
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my $upass='';
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for (my $i=0;$i<=2;$i++) {
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my $chunk =
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$cipher->decrypt(
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unpack("a8",pack("H16",substr($chunks[$i],0,16))));
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$chunk .=
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$cipher->decrypt(
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unpack("a8",pack("H16",substr($chunks[$i],16,16))));
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$chunk = substr($chunk,1,ord(substr($chunk,0,1)));
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$upass .= $chunk;
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}
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return $upass;
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}
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sub check_can_host {
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sub check_can_host {
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my ($r,$form,$authhost,$domdesc) = @_;
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my ($r,$form,$authhost,$domdesc) = @_;
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return unless (ref($form) eq 'HASH');
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return unless (ref($form) eq 'HASH');
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