--- loncom/lonnet/perl/lonnet.pm 2020/10/15 19:17:40 1.1429
+++ loncom/lonnet/perl/lonnet.pm 2021/06/06 23:18:59 1.1457
@@ -1,7 +1,7 @@
# The LearningOnline Network
# TCP networking package
#
-# $Id: lonnet.pm,v 1.1429 2020/10/15 19:17:40 raeburn Exp $
+# $Id: lonnet.pm,v 1.1457 2021/06/06 23:18:59 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -96,6 +96,8 @@ use Cache::Memcached;
use Digest::MD5;
use Math::Random;
use File::MMagic;
+use Net::CIDR;
+use Sys::Hostname::FQDN();
use LONCAPA qw(:DEFAULT :match);
use LONCAPA::Configuration;
use LONCAPA::lonmetadata;
@@ -128,12 +130,13 @@ our @EXPORT = qw(%env);
$logid ++;
my $now = time();
my $id=$now.'00000'.$$.'00000'.$logid;
+ my $ip = &get_requestor_ip();
my $logentry = {
$id => {
'exe_uname' => $env{'user.name'},
'exe_udom' => $env{'user.domain'},
'exe_time' => $now,
- 'exe_ip' => $ENV{'REMOTE_ADDR'},
+ 'exe_ip' => $ip,
'delflag' => $delflag,
'logentry' => $storehash,
'uname' => $uname,
@@ -738,6 +741,9 @@ sub check_for_valid_session {
if (ref($userhashref) eq 'HASH') {
$userhashref->{'name'} = $disk_env{'user.name'};
$userhashref->{'domain'} = $disk_env{'user.domain'};
+ if ($disk_env{'request.role'}) {
+ $userhashref->{'role'} = $disk_env{'request.role'};
+ }
$userhashref->{'lti'} = $disk_env{'request.lti.login'};
if ($userhashref->{'lti'}) {
$userhashref->{'ltitarget'} = $disk_env{'request.lti.target'};
@@ -971,7 +977,7 @@ sub userload {
# ------------------------------ Find server with least workload from spare.tab
sub spareserver {
- my ($loadpercent,$userloadpercent,$want_server_name,$udom) = @_;
+ my ($r,$loadpercent,$userloadpercent,$want_server_name,$udom) = @_;
my $spare_server;
if ($userloadpercent !~ /\d/) { $userloadpercent=0; }
my $lowest_load=($loadpercent > $userloadpercent) ? $loadpercent
@@ -1016,6 +1022,8 @@ sub spareserver {
if ($protocol{$spare_server} eq 'https') {
$protocol = $protocol{$spare_server};
}
+ my $alias = &Apache::lonnet::use_proxy_alias($r,$spare_server);
+ $hostname = $alias if ($alias ne '');
$spare_server = $protocol.'://'.$hostname;
}
}
@@ -1150,6 +1158,21 @@ sub check_for_balancer_cookie {
return ($otherserver,$cookie);
}
+sub updatebalcookie {
+ my ($cookie,$balancer,$lastentry)=@_;
+ if ($cookie =~ /^($match_domain)\_($match_username)\_[a-f0-9]{32}$/) {
+ my ($udom,$uname) = ($1,$2);
+ my $uprimary_id = &domain($udom,'primary');
+ my $uintdom = &internet_dom($uprimary_id);
+ my $intdom = &internet_dom($balancer);
+ my $serverhomedom = &host_domain($balancer);
+ if (($uintdom ne '') && ($uintdom eq $intdom)) {
+ return &reply('updatebalcookie:'.&escape($cookie).':'.&escape($lastentry),$balancer);
+ }
+ }
+ return;
+}
+
sub delbalcookie {
my ($cookie,$balancer) =@_;
if ($cookie =~ /^($match_domain)\_($match_username)\_[a-f0-9]{32}$/) {
@@ -1159,7 +1182,7 @@ sub delbalcookie {
my $intdom = &internet_dom($balancer);
my $serverhomedom = &host_domain($balancer);
if (($uintdom ne '') && ($uintdom eq $intdom)) {
- return &reply("delbalcookie:$cookie",$balancer);
+ return &reply('delbalcookie:'.&escape($cookie),$balancer);
}
}
}
@@ -1428,6 +1451,15 @@ sub spare_can_host {
$canhost = 0;
}
}
+ if ($canhost) {
+ if (ref($defdomdefaults{'offloadoth'}) eq 'HASH') {
+ if ($defdomdefaults{'offloadoth'}{$try_server}) {
+ unless (&shared_institution($udom,$try_server)) {
+ $canhost = 0;
+ }
+ }
+ }
+ }
if (($canhost) && ($uint_dom)) {
my @intdoms;
my $internet_names = &get_internet_names($try_server);
@@ -1646,7 +1678,7 @@ sub check_loadbalancing {
if ($domneedscache) {
&do_cache_new('loadbalancing',$domneedscache,$is_balancer,$cachetime);
}
- if ($is_balancer) {
+ if (($is_balancer) && ($caller ne 'switchserver')) {
my $lowest_load = 30000;
if (ref($offloadto) eq 'HASH') {
if (ref($offloadto->{'primary'}) eq 'ARRAY') {
@@ -1686,9 +1718,9 @@ sub check_loadbalancing {
}
}
}
- unless ($homeintdom) {
- undef($setcookie);
- }
+ }
+ if (($is_balancer) && (!$homeintdom)) {
+ undef($setcookie);
}
return ($is_balancer,$otherserver,$setcookie,$offloadto,$dom_balancers);
}
@@ -2138,10 +2170,19 @@ sub get_dom {
}
if ($udom && $uhome && ($uhome ne 'no_host')) {
my $rep;
- if ($namespace =~ /^enc/) {
- $rep=&reply("encrypt:egetdom:$udom:$namespace:$items",$uhome);
+ if (grep { $_ eq $uhome } ¤t_machine_ids()) {
+ # domain information is hosted on this machine
+ my $cmd = 'getdom';
+ if ($namespace =~ /^enc/) {
+ $cmd = 'egetdom';
+ }
+ $rep = &LONCAPA::Lond::get_dom("$cmd:$udom:$namespace:$items");
} else {
- $rep=&reply("getdom:$udom:$namespace:$items",$uhome);
+ if ($namespace =~ /^enc/) {
+ $rep=&reply("encrypt:egetdom:$udom:$namespace:$items",$uhome);
+ } else {
+ $rep=&reply("getdom:$udom:$namespace:$items",$uhome);
+ }
}
my %returnhash;
if ($rep eq '' || $rep =~ /^error: 2 /) {
@@ -2579,7 +2620,7 @@ sub get_domain_defaults {
'coursedefaults','usersessions',
'requestauthor','selfenrollment',
'coursecategories','ssl','autoenroll',
- 'trust','helpsettings'],$domain);
+ 'trust','helpsettings','wafproxy'],$domain);
my @coursetypes = ('official','unofficial','community','textbook','placement');
if (ref($domconfig{'defaults'}) eq 'HASH') {
$domdefaults{'lang_def'} = $domconfig{'defaults'}{'lang_def'};
@@ -2672,6 +2713,9 @@ sub get_domain_defaults {
if (ref($domconfig{'usersessions'}{'offloadnow'}) eq 'HASH') {
$domdefaults{'offloadnow'} = $domconfig{'usersessions'}{'offloadnow'};
}
+ if (ref($domconfig{'usersessions'}{'offloadoth'}) eq 'HASH') {
+ $domdefaults{'offloadoth'} = $domconfig{'usersessions'}{'offloadoth'};
+ }
}
if (ref($domconfig{'selfenrollment'}) eq 'HASH') {
if (ref($domconfig{'selfenrollment'}{'admin'}) eq 'HASH') {
@@ -2739,6 +2783,13 @@ sub get_domain_defaults {
$domdefaults{'adhocroles'} = $domconfig{'helpsettings'}{'adhoc'};
}
}
+ if (ref($domconfig{'wafproxy'}) eq 'HASH') {
+ foreach my $item ('ipheader','trusted','vpnint','vpnext','sslopt') {
+ if ($domconfig{'wafproxy'}{$item}) {
+ $domdefaults{'waf_'.$item} = $domconfig{'wafproxy'}{$item};
+ }
+ }
+ }
&do_cache_new('domdefaults',$domain,\%domdefaults,$cachetime);
return %domdefaults;
}
@@ -2803,7 +2854,7 @@ sub retrieve_instcodes {
}
sub course_portal_url {
- my ($cnum,$cdom) = @_;
+ my ($cnum,$cdom,$r) = @_;
my $chome = &homeserver($cnum,$cdom);
my $hostname = &hostname($chome);
my $protocol = $protocol{$chome};
@@ -2813,6 +2864,8 @@ sub course_portal_url {
if ($domdefaults{'portal_def'}) {
$firsturl = $domdefaults{'portal_def'};
} else {
+ my $alias = &Apache::lonnet::use_proxy_alias($r,$chome);
+ $hostname = $alias if ($alias ne '');
$firsturl = $protocol.'://'.$hostname;
}
return $firsturl;
@@ -3437,11 +3490,29 @@ sub ssi_body {
# --------------------------------------------------------- Server Side Include
sub absolute_url {
- my ($host_name) = @_;
+ my ($host_name,$unalias,$keep_proto) = @_;
my $protocol = ($ENV{'SERVER_PORT'} == 443?'https://':'http://');
if ($host_name eq '') {
$host_name = $ENV{'SERVER_NAME'};
}
+ if ($unalias) {
+ my $alias = &get_proxy_alias();
+ if ($alias eq $host_name) {
+ my $lonhost = $perlvar{'lonHostID'};
+ my $hostname = &hostname($lonhost);
+ my $lcproto;
+ if (($keep_proto) || ($hostname eq '')) {
+ $lcproto = $protocol;
+ } else {
+ $lcproto = $protocol{$lonhost};
+ $lcproto = 'http' if ($lcproto ne 'https');
+ $lcproto .= '://';
+ }
+ unless ($hostname eq '') {
+ return $lcproto.$hostname;
+ }
+ }
+ }
return $protocol.$host_name;
}
@@ -3458,12 +3529,13 @@ sub absolute_url {
sub ssi {
my ($fn,%form)=@_;
- my $request;
+ my ($host,$request,$response);
+ $host = &absolute_url('',1);
$form{'no_update_last_known'}=1;
&Apache::lonenc::check_encrypt(\$fn);
if (%form) {
- $request=new HTTP::Request('POST',&absolute_url().$fn);
+ $request=new HTTP::Request('POST',$host.$fn);
$request->content(join('&',map {
my $name = escape($_);
"$name=" . ( ref($form{$_}) eq 'ARRAY'
@@ -3471,7 +3543,7 @@ sub ssi {
: &escape($form{$_}) );
} keys(%form)));
} else {
- $request=new HTTP::Request('GET',&absolute_url().$fn);
+ $request=new HTTP::Request('GET',$host.$fn);
}
$request->header(Cookie => $ENV{'HTTP_COOKIE'});
@@ -3485,8 +3557,8 @@ sub ssi {
($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:'')))) {
$islocal = 1;
}
- my $response= &LONCAPA::LWPReq::makerequest($lonhost,$request,'',\%perlvar,
- '','','',$islocal);
+ $response= &LONCAPA::LWPReq::makerequest($lonhost,$request,'',\%perlvar,
+ '','','',$islocal);
if (wantarray) {
return ($response->content, $response);
@@ -4029,6 +4101,10 @@ sub clean_filename {
# Replace all .\d. sequences with _\d. so they no longer look like version
# numbers
$fname=~s/\.(\d+)(?=\.)/_$1/g;
+# Replace three or more adjacent underscores with one for consistency
+# with loncfile::filename_check() so complete url can be extracted by
+# lonnet::decode_symb()
+ $fname=~s/_{3,}/_/g;
return $fname;
}
@@ -4999,7 +5075,11 @@ sub courseacclog {
if ($formitem =~ /^HWFILE(?:SIZE|TOOBIG)/) {
$what.=':'.$formitem.'='.$env{$key};
} elsif ($formitem !~ /^HWFILE(?:[^.]+)$/) {
- $what.=':'.$formitem.'='.$env{$key};
+ if ($formitem eq 'proctorpassword') {
+ $what.=':'.$formitem.'=' . '*' x length($env{$key});
+ } else {
+ $what.=':'.$formitem.'='.$env{$key};
+ }
}
}
}
@@ -6081,7 +6161,7 @@ sub tmpreset {
if (!$domain) { $domain=$env{'user.domain'}; }
if (!$stuname) { $stuname=$env{'user.name'}; }
if ($domain eq 'public' && $stuname eq 'public') {
- $stuname=$ENV{'REMOTE_ADDR'};
+ $stuname=&get_requestor_ip();
}
my $path=LONCAPA::tempdir();
my %hash;
@@ -6118,7 +6198,7 @@ sub tmpstore {
if (!$domain) { $domain=$env{'user.domain'}; }
if (!$stuname) { $stuname=$env{'user.name'}; }
if ($domain eq 'public' && $stuname eq 'public') {
- $stuname=$ENV{'REMOTE_ADDR'};
+ $stuname=&get_requestor_ip();
}
my $now=time;
my %hash;
@@ -6162,7 +6242,7 @@ sub tmprestore {
if (!$domain) { $domain=$env{'user.domain'}; }
if (!$stuname) { $stuname=$env{'user.name'}; }
if ($domain eq 'public' && $stuname eq 'public') {
- $stuname=$ENV{'REMOTE_ADDR'};
+ $stuname=&get_requestor_ip();
}
my %returnhash;
$namespace=~s/\//\_/g;
@@ -6218,7 +6298,7 @@ sub store {
}
if (!$home) { $home=$env{'user.home'}; }
- $$storehash{'ip'}=$ENV{'REMOTE_ADDR'};
+ $$storehash{'ip'}=&get_requestor_ip();
$$storehash{'host'}=$perlvar{'lonHostID'};
my $namevalue='';
@@ -6254,7 +6334,7 @@ sub cstore {
}
if (!$home) { $home=$env{'user.home'}; }
- $$storehash{'ip'}=$ENV{'REMOTE_ADDR'};
+ $$storehash{'ip'}=&get_requestor_ip();
$$storehash{'host'}=$perlvar{'lonHostID'};
my $namevalue='';
@@ -7249,7 +7329,8 @@ sub putstore {
foreach my $key (keys(%{$storehash})) {
$namevalue.=&escape($key).'='.&freeze_escape($storehash->{$key}).'&';
}
- $namevalue .= 'ip='.&escape($ENV{'REMOTE_ADDR'}).
+ my $ip = &get_requestor_ip();
+ $namevalue .= 'ip='.&escape($ip).
'&host='.&escape($perlvar{'lonHostID'}).
'&version='.$esc_v.
'&by='.&escape($env{'user.name'}.':'.$env{'user.domain'});
@@ -8053,7 +8134,7 @@ sub allowed {
if (defined($env{'allowed.'.$priv})) { return $env{'allowed.'.$priv}; }
# Free bre access to adm and meta resources
- if (((($uri=~/^adm\//) && ($uri !~ m{/(?:smppg|bulletinboard|ext\.tool)$}))
+ if (((($uri=~/^adm\//) && ($uri !~ m{/(?:smppg|bulletinboard|viewclasslist|aboutme|ext\.tool)$}))
|| (($uri=~/\.meta$/) && ($uri!~m|^uploaded/|) ))
&& ($priv eq 'bre')) {
return 'F';
@@ -8162,8 +8243,8 @@ sub allowed {
my $adom = $1;
foreach my $key (keys(%env)) {
if ($key =~ m{^user\.role\.(ca|aa)/\Q$adom\E}) {
- my ($start,$end) = split('.',$env{$key});
- if (($now >= $start) && (!$end || $end < $now)) {
+ my ($start,$end) = split(/\./,$env{$key});
+ if (($now >= $start) && (!$end || $end > $now)) {
$ownaccess = 1;
last;
}
@@ -8175,8 +8256,8 @@ sub allowed {
foreach my $role ('ca','aa') {
if ($env{"user.role.$role./$adom/$aname"}) {
my ($start,$end) =
- split('.',$env{"user.role.$role./$adom/$aname"});
- if (($now >= $start) && (!$end || $end < $now)) {
+ split(/\./,$env{"user.role.$role./$adom/$aname"});
+ if (($now >= $start) && (!$end || $end > $now)) {
$ownaccess = 1;
last;
}
@@ -8450,16 +8531,48 @@ sub allowed {
#
# Possibly locked functionality, check all courses
+# In roles.tab, L (unless locked) available for bre, pch, plc, pac and sma.
# Locks might take effect only after 10 minutes cache expiration for other
-# courses, and 2 minutes for current course
+# courses, and 2 minutes for current course, in which user has st or ta role
+# which is neither expired nor a future role (unless current course).
- my $envkey;
+ my ($needlockcheck,$now,$crsonly);
if ($thisallowed=~/L/) {
- foreach $envkey (keys(%env)) {
+ $now = time;
+ if ($priv eq 'bre') {
+ if ($uri ne '') {
+ if ($orguri =~ m{^/+res/}) {
+ if ($uri =~ m{^lib/templates/}) {
+ if ($env{'request.course.id'}) {
+ $crsonly = 1;
+ $needlockcheck = 1;
+ }
+ } else {
+ $needlockcheck = 1;
+ }
+ } elsif ($env{'request.course.id'}) {
+ my ($crsdom,$crsnum) = split('_',$env{'request.course.id'});
+ if (($uri =~ m{^(adm|uploaded|public)/$crsdom/$crsnum/}) ||
+ ($uri =~ m{^adm/$match_domain/$match_username/\d+/(smppg|bulletinboard)$})) {
+ $crsonly = 1;
+ }
+ $needlockcheck = 1;
+ }
+ }
+ } elsif (($priv eq 'pch') || ($priv eq 'plc') || ($priv eq 'pac') || ($priv eq 'sma')) {
+ $needlockcheck = 1;
+ }
+ }
+ if ($needlockcheck) {
+ foreach my $envkey (keys(%env)) {
if ($envkey=~/^user\.role\.(st|ta)\.([^\.]*)/) {
my $courseid=$2;
my $roleid=$1.'.'.$2;
$courseid=~s/^\///;
+ unless ($env{'request.role'} eq $roleid) {
+ my ($start,$end) = split(/\./,$env{$envkey});
+ next unless (($now >= $start) && (!$end || $end > $now));
+ }
my $expiretime=600;
if ($env{'request.role'} eq $roleid) {
$expiretime=120;
@@ -8482,7 +8595,7 @@ sub allowed {
}
if (($env{$prefix.'priv.'.$priv.'.lock.sections'}=~/\,\Q$csec\E\,/)
|| ($env{$prefix.'priv.'.$priv.'.lock.sections'} eq 'all')) {
- if ($env{'priv.'.$priv.'.lock.expire'}>time) {
+ if ($env{$prefix.'priv.'.$priv.'.lock.expire'}>time) {
&log($env{'user.domain'},$env{'user.name'},
$env{'user.home'},
'Locked by priv: '.$priv.' for '.$uri.' due to '.
@@ -9373,6 +9486,25 @@ sub auto_validate_instcode {
return ($outcome,$description,$defaultcredits);
}
+sub auto_validate_inst_crosslist {
+ my ($cnum,$cdom,$instcode,$inst_xlist,$coowner) = @_;
+ my ($homeserver,$response);
+ if (($cdom =~ /^$match_domain$/) && ($cnum =~ /^$match_courseid$/)) {
+ $homeserver = &homeserver($cnum,$cdom);
+ }
+ if (!defined($homeserver)) {
+ if ($cdom =~ /^$match_domain$/) {
+ $homeserver = &domain($cdom,'primary');
+ }
+ }
+ unless (($homeserver eq '') || ($homeserver eq 'no_host')) {
+ $response=&reply('autovalidateinstcrosslist:'.$cdom.':'.
+ &escape($instcode).':'.&escape($inst_xlist).':'.
+ &escape($coowner),$homeserver);
+ }
+ return $response;
+}
+
sub auto_create_password {
my ($cnum,$cdom,$authparam,$udom) = @_;
my ($homeserver,$response);
@@ -10194,11 +10326,23 @@ sub autoupdate_coowners {
if ($domdesign{$cdom.'.autoassign.co-owners'}) {
my %coursehash = &coursedescription($cdom.'_'.$cnum);
my $instcode = $coursehash{'internal.coursecode'};
+ my $xlists = $coursehash{'internal.crosslistings'};
if ($instcode ne '') {
if (($start && $start <= $now) && ($end == 0) || ($end > $now)) {
unless ($coursehash{'internal.courseowner'} eq $uname.':'.$udom) {
my ($delcoowners,@newcoowners,$putresult,$delresult,$coowners);
my ($result,$desc) = &auto_validate_instcode($cnum,$cdom,$instcode,$uname.':'.$udom);
+ unless ($result eq 'valid') {
+ if ($xlists ne '') {
+ foreach my $xlist (split(',',$xlists)) {
+ my ($inst_crosslist,$lcsec) = split(':',$xlist);
+ $result =
+ &auto_validate_inst_crosslist($cnum,$cdom,$instcode,
+ $inst_crosslist,$uname.':'.$udom);
+ last if ($result eq 'valid');
+ }
+ }
+ }
if ($result eq 'valid') {
if ($coursehash{'internal.co-owners'}) {
foreach my $coowner (split(',',$coursehash{'internal.co-owners'})) {
@@ -10211,18 +10355,16 @@ sub autoupdate_coowners {
} else {
push(@newcoowners,$uname.':'.$udom);
}
- } else {
- if ($coursehash{'internal.co-owners'}) {
- foreach my $coowner (split(',',$coursehash{'internal.co-owners'})) {
- unless ($coowner eq $uname.':'.$udom) {
- push(@newcoowners,$coowner);
- }
- }
- unless (@newcoowners > 0) {
- $delcoowners = 1;
- $coowners = '';
+ } elsif ($coursehash{'internal.co-owners'}) {
+ foreach my $coowner (split(',',$coursehash{'internal.co-owners'})) {
+ unless ($coowner eq $uname.':'.$udom) {
+ push(@newcoowners,$coowner);
}
}
+ unless (@newcoowners > 0) {
+ $delcoowners = 1;
+ $coowners = '';
+ }
}
if (@newcoowners || $delcoowners) {
&store_coowners($cdom,$cnum,$coursehash{'home'},
@@ -10296,13 +10438,14 @@ sub modifyuserauth {
' in domain '.$env{'request.role.domain'});
my $reply=&reply('encrypt:changeuserauth:'.$udom.':'.$uname.':'.$umode.':'.
&escape($upass),$uhome);
+ my $ip = &get_requestor_ip();
&log($env{'user.domain'},$env{'user.name'},$env{'user.home'},
'Authentication changed for '.$udom.', '.$uname.', '.$umode.
- '(Remote '.$ENV{'REMOTE_ADDR'}.'): '.$reply);
+ '(Remote '.$ip.'): '.$reply);
&log($udom,,$uname,$uhome,
'Authentication changed by '.$env{'user.domain'}.', '.
$env{'user.name'}.', '.$umode.
- '(Remote '.$ENV{'REMOTE_ADDR'}.'): '.$reply);
+ '(Remote '.$ip.'): '.$reply);
unless ($reply eq 'ok') {
&logthis('Authentication mode error: '.$reply);
return 'error: '.$reply;
@@ -10828,7 +10971,7 @@ sub store_userdata {
if (($uhome eq '') || ($uhome eq 'no_host')) {
$result = 'error: no_host';
} else {
- $storehash->{'ip'} = $ENV{'REMOTE_ADDR'};
+ $storehash->{'ip'} = &get_requestor_ip();
$storehash->{'host'} = $perlvar{'lonHostID'};
my $namevalue='';
@@ -12377,7 +12520,7 @@ sub EXT {
}
} elsif ($realm eq 'client') {
if ($space eq 'remote_addr') {
- return $ENV{'REMOTE_ADDR'};
+ return &get_requestor_ip();
}
}
return '';
@@ -14187,9 +14330,12 @@ sub default_login_domain {
}
sub shared_institution {
- my ($dom) = @_;
+ my ($dom,$lonhost) = @_;
+ if ($lonhost eq '') {
+ $lonhost = $perlvar{'lonHostID'};
+ }
my $same_intdom;
- my $hostintdom = &internet_dom($perlvar{'lonHostID'});
+ my $hostintdom = &internet_dom($lonhost);
if ($hostintdom ne '') {
my %iphost = &get_iphost();
my $primary_id = &domain($dom,'primary');
@@ -14245,6 +14391,156 @@ sub uses_sts {
return;
}
+sub waf_allssl {
+ my ($host_name) = @_;
+ my $alias = &get_proxy_alias();
+ if ($host_name eq '') {
+ $host_name = $ENV{'SERVER_NAME'};
+ }
+ if (($host_name ne '') && ($alias eq $host_name)) {
+ my $serverhomedom = &host_domain($perlvar{'lonHostID'});
+ my %defdomdefaults = &get_domain_defaults($serverhomedom);
+ if ($defdomdefaults{'waf_sslopt'}) {
+ return $defdomdefaults{'waf_sslopt'};
+ }
+ }
+ return;
+}
+
+sub get_requestor_ip {
+ my ($r,$nolookup,$noproxy) = @_;
+ my $from_ip;
+ if (ref($r)) {
+ if ($r->can('useragent_ip')) {
+ if ($noproxy && $r->can('client_ip')) {
+ $from_ip = $r->client_ip();
+ } else {
+ $from_ip = $r->useragent_ip();
+ }
+ } elsif ($r->connection->can('remote_ip')) {
+ $from_ip = $r->connection->remote_ip();
+ } else {
+ $from_ip = $r->get_remote_host($nolookup);
+ }
+ } else {
+ $from_ip = $ENV{'REMOTE_ADDR'};
+ }
+ return $from_ip if ($noproxy);
+ # Who controls proxy settings for server
+ my $dom_in_use = $Apache::lonnet::perlvar{'lonDefDomain'};
+ my $proxyinfo = &get_proxy_settings($dom_in_use);
+ if ((ref($proxyinfo) eq 'HASH') && ($from_ip)) {
+ if ($proxyinfo->{'vpnint'}) {
+ if (&ip_match($from_ip,$proxyinfo->{'vpnint'})) {
+ return $from_ip;
+ }
+ }
+ if ($proxyinfo->{'trusted'}) {
+ if (&ip_match($from_ip,$proxyinfo->{'trusted'})) {
+ my $ipheader = $proxyinfo->{'ipheader'};
+ my ($ip,$xfor);
+ if (ref($r)) {
+ if ($ipheader) {
+ $ip = $r->headers_in->{$ipheader};
+ }
+ $xfor = $r->headers_in->{'X-Forwarded-For'};
+ } else {
+ if ($ipheader) {
+ $ip = $ENV{'HTTP_'.uc($ipheader)};
+ }
+ $xfor = $ENV{'HTTP_X_FORWARDED_FOR'};
+ }
+ if (($ip eq '') && ($xfor ne '')) {
+ foreach my $poss_ip (reverse(split(/\s*,\s*/,$xfor))) {
+ unless (&ip_match($poss_ip,$proxyinfo->{'trusted'})) {
+ $ip = $poss_ip;
+ last;
+ }
+ }
+ }
+ if ($ip ne '') {
+ return $ip;
+ }
+ }
+ }
+ }
+ return $from_ip;
+}
+
+sub get_proxy_settings {
+ my ($dom_in_use) = @_;
+ my %domdefaults = &Apache::lonnet::get_domain_defaults($dom_in_use);
+ my $proxyinfo = {
+ ipheader => $domdefaults{'waf_ipheader'},
+ trusted => $domdefaults{'waf_trusted'},
+ vpnint => $domdefaults{'waf_vpnint'},
+ vpnext => $domdefaults{'waf_vpnext'},
+ sslopt => $domdefaults{'waf_sslopt'},
+ };
+ return $proxyinfo;
+}
+
+sub ip_match {
+ my ($ip,$pattern_str) = @_;
+ $ip=Net::CIDR::cidrvalidate($ip);
+ if ($ip) {
+ return Net::CIDR::cidrlookup($ip,split(/\s*,\s*/,$pattern_str));
+ }
+ return;
+}
+
+sub get_proxy_alias {
+ my ($lonid) = @_;
+ if ($lonid eq '') {
+ $lonid = $perlvar{'lonHostID'};
+ }
+ if (!defined(&hostname($lonid))) {
+ return;
+ }
+ if ($lonid ne '') {
+ my ($alias,$cached) = &is_cached_new('proxyalias',$lonid);
+ if ($cached) {
+ return $alias;
+ }
+ my $dom = &Apache::lonnet::host_domain($lonid);
+ if ($dom ne '') {
+ my $cachetime = 60*60*24;
+ my %domconfig =
+ &Apache::lonnet::get_dom('configuration',['wafproxy'],$dom);
+ my $alias;
+ if (ref($domconfig{'wafproxy'}) eq 'HASH') {
+ if (ref($domconfig{'wafproxy'}{'alias'}) eq 'HASH') {
+ $alias = $domconfig{'wafproxy'}{'alias'}{$lonid};
+ }
+ }
+ return &do_cache_new('proxyalias',$lonid,$alias,$cachetime);
+ }
+ }
+ return;
+}
+
+sub use_proxy_alias {
+ my ($r,$lonid) = @_;
+ my $alias = &get_proxy_alias($lonid);
+ if ($alias) {
+ my $dom = &host_domain($lonid);
+ if ($dom ne '') {
+ my $proxyinfo = &get_proxy_settings($dom );
+ my ($vpnint,$remote_ip);
+ if (ref($proxyinfo) eq 'HASH') {
+ $vpnint = $proxyinfo->{'vpnint'};
+ if ($vpnint) {
+ $remote_ip = &get_requestor_ip($r,1,1);
+ }
+ }
+ unless ($vpnint && &ip_match($remote_ip,$vpnint)) {
+ return $alias;
+ }
+ }
+ }
+ return;
+}
+
# ------------------------------------------------------------- Declutters URLs
sub declutter {
@@ -14384,14 +14680,33 @@ sub get_dns {
}
while (%alldns) {
my ($dns) = sort { $b cmp $a } keys(%alldns);
- my $request=new HTTP::Request('GET',"$alldns{$dns}://$dns$url");
- my $response = &LONCAPA::LWPReq::makerequest('',$request,'',\%perlvar,30,0);
- delete($alldns{$dns});
- next if ($response->is_error());
+ my ($contents,@content);
+ if ($dns eq Sys::Hostname::FQDN::fqdn()) {
+ my $command = (split('/',$url))[3];
+ my ($dir,$file) = &parse_getdns_url($command,$url);
+ delete($alldns{$dns});
+ next if (($dir eq '') || ($file eq ''));
+ if (open(my $config,'<',"$dir/$file")) {
+ @content = <$config>;
+ close($config);
+ }
+ if ($url eq '/adm/dns/loncapaCRL') {
+ $contents = join('',@content);
+ }
+ } else {
+ my $request=new HTTP::Request('GET',"$alldns{$dns}://$dns$url");
+ my $response = &LONCAPA::LWPReq::makerequest('',$request,'',\%perlvar,30,0);
+ delete($alldns{$dns});
+ next if ($response->is_error());
+ if ($url eq '/adm/dns/loncapaCRL') {
+ $contents = $response->content;
+ } else {
+ @content = split("\n",$response->content);
+ }
+ }
if ($url eq '/adm/dns/loncapaCRL') {
- return &$func($response);
+ return &$func($contents);
} else {
- my @content = split("\n",$response->content);
unless ($nocache) {
&do_cache_new('dns',$url,\@content,30*24*60*60);
}
@@ -14479,14 +14794,14 @@ sub fetch_crl_pemfile {
}
sub save_crl_pem {
- my ($response) = @_;
+ my ($content) = @_;
my ($msg,$hadchanges);
- if (ref($response)) {
+ if ($content ne '') {
my $now = time;
my $lonca = $perlvar{'lonCertificateDirectory'}.'/'.$perlvar{'lonnetCertificateAuthority'};
my $tmpcrl = $tmpdir.'/'.$perlvar{'lonnetCertRevocationList'}.'_'.$now.'.'.$$.'.tmp';
if (open(my $fh,'>',"$tmpcrl")) {
- print $fh $response->content;
+ print $fh $content;
close($fh);
if (-e $lonca) {
if (open(PIPE,"openssl crl -in $tmpcrl -inform pem -CAfile $lonca -noout 2>&1 |")) {
@@ -14547,6 +14862,24 @@ sub save_crl_pem {
return ($msg,$hadchanges);
}
+sub parse_getdns_url {
+ my ($command,$url) = @_;
+ my $dir = $perlvar{'lonTabDir'};
+ my $file;
+ if ($command eq 'hosts') {
+ $file = 'dns_hosts.tab';
+ } elsif ($command eq 'domain') {
+ $file = 'dns_domain.tab';
+ } elsif ($command eq 'checksums') {
+ my $version = (split('/',$url))[4];
+ $file = "dns_checksums/$version.tab",
+ } elsif ($command eq 'loncapaCRL') {
+ $dir = $perlvar{'lonCertificateDirectory'};
+ $file = $perlvar{'lonnetCertRevocationList'};
+ }
+ return ($dir,$file);
+}
+
# ------------------------------------------------------------ Read domain file
{
my $loaded;