--- loncom/lond 2020/10/26 03:47:15 1.489.2.39 +++ loncom/lond 2016/09/27 15:58:59 1.530 @@ -2,7 +2,7 @@ # The LearningOnline Network # lond "LON Daemon" Server (port "LOND" 5663) # -# $Id: lond,v 1.489.2.39 2020/10/26 03:47:15 raeburn Exp $ +# $Id: lond,v 1.530 2016/09/27 15:58:59 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -40,7 +40,7 @@ use IO::File; #use Apache::File; use POSIX; use Crypt::IDEA; -use LWP::UserAgent(); +use HTTP::Request; use Digest::MD5 qw(md5_hex); use GDBM_File; use Authen::Krb5; @@ -57,13 +57,14 @@ use Mail::Send; use Crypt::Eksblowfish::Bcrypt; use Digest::SHA; use Encode; +use LONCAPA::LWPReq; my $DEBUG = 0; # Non zero to enable debug log entries. my $status=''; my $lastlog=''; -my $VERSION='$Revision: 1.489.2.39 $'; #' stupid emacs +my $VERSION='$Revision: 1.530 $'; #' stupid emacs my $remoteVERSION; my $currenthostid="default"; my $currentdomainid; @@ -73,8 +74,14 @@ my $clientip; # IP address of client. my $clientname; # LonCAPA name of client. my $clientversion; # LonCAPA version running on client. my $clienthomedom; # LonCAPA domain of homeID for client. - # primary library server. - +my $clientintdom; # LonCAPA "internet domain" for client. +my $clientsameinst; # LonCAPA "internet domain" same for + # this host and client. +my $clientremoteok; # Client allowed to host domain's users. + # (version constraints ignored), not set + # if this host and client share "internet domain". +my %clientprohibited; # Actions prohibited on client; + my $server; my $keymode; @@ -144,6 +151,145 @@ my @installerrors = ("ok", ); # +# The %trust hash classifies commands according to type of trust +# required for execution of the command. +# +# When clients from a different institution request execution of a +# particular command, the trust settings for that institution set +# for this domain (or default domain for a multi-domain server) will +# be checked to see if running the command is allowed. +# +# Trust types which depend on the "Trust" domain configuration +# for the machine's default domain are: +# +# content ("Access to this domain's content by others") +# shared ("Access to other domain's content by this domain") +# enroll ("Enrollment in this domain's courses by others") +# coaurem ("Co-author roles for this domain's users elsewhere") +# domroles ("Domain roles in this domain assignable to others") +# catalog ("Course Catalog for this domain displayed elsewhere") +# reqcrs ("Requests for creation of courses in this domain by others") +# msg ("Users in other domains can send messages to this domain") +# +# Trust type which depends on the User Session Hosting (remote) +# domain configuration for machine's default domain is: "remote". +# +# Trust types which depend on contents of manager.tab in +# /home/httpd/lonTabs is: "manageronly". +# +# Trust type which requires client to share the same LON-CAPA +# "internet domain" (i.e., same institution as this server) is: +# "institutiononly". +# + +my %trust = ( + auth => {remote => 1}, + autocreatepassword => {remote => 1}, + autocrsreqchecks => {remote => 1, reqcrs => 1}, + autocrsrequpdate => {remote => 1}, + autocrsreqvalidation => {remote => 1}, + autogetsections => {remote => 1}, + autoinstcodedefaults => {remote => 1, catalog => 1}, + autoinstcodeformat => {remote => 1, catalog => 1}, + autonewcourse => {remote => 1, reqcrs => 1}, + autophotocheck => {remote => 1, enroll => 1}, + autophotochoice => {remote => 1}, + autophotopermission => {remote => 1, enroll => 1}, + autopossibleinstcodes => {remote => 1, reqcrs => 1}, + autoretrieve => {remote => 1, enroll => 1, catalog => 1}, + autorun => {remote => 1, enroll => 1, reqcrs => 1}, + autovalidateclass_sec => {catalog => 1}, + autovalidatecourse => {remote => 1, enroll => 1}, + autovalidateinstcode => {domroles => 1, remote => 1, enroll => 1}, + changeuserauth => {remote => 1, domroles => 1}, + chatretr => {remote => 1, enroll => 1}, + chatsend => {remote => 1, enroll => 1}, + courseiddump => {remote => 1, domroles => 1, enroll => 1}, + courseidput => {remote => 1, domroles => 1, enroll => 1}, + courseidputhash => {remote => 1, domroles => 1, enroll => 1}, + courselastaccess => {remote => 1, domroles => 1, enroll => 1}, + currentauth => {remote => 1, domroles => 1, enroll => 1}, + currentdump => {remote => 1, enroll => 1}, + currentversion => {remote=> 1, content => 1}, + dcmaildump => {remote => 1, domroles => 1}, + dcmailput => {remote => 1, domroles => 1}, + del => {remote => 1, domroles => 1, enroll => 1, content => 1}, + deldom => {remote => 1, domroles => 1}, # not currently used + devalidatecache => {institutiononly => 1}, + domroleput => {remote => 1, enroll => 1}, + domrolesdump => {remote => 1, catalog => 1}, + du => {remote => 1, enroll => 1}, + du2 => {remote => 1, enroll => 1}, + dump => {remote => 1, enroll => 1, domroles => 1}, + edit => {institutiononly => 1}, #not used currently + eget => {remote => 1, domroles => 1, enroll => 1}, #not used currently + ekey => {}, #not used currently + exit => {anywhere => 1}, + fetchuserfile => {remote => 1, enroll => 1}, + get => {remote => 1, domroles => 1, enroll => 1}, + getdom => {anywhere => 1}, + home => {anywhere => 1}, + iddel => {remote => 1, enroll => 1}, + idget => {remote => 1, enroll => 1}, + idput => {remote => 1, domroles => 1, enroll => 1}, + inc => {remote => 1, enroll => 1}, + init => {anywhere => 1}, + inst_usertypes => {remote => 1, domroles => 1, enroll => 1}, + instemailrules => {remote => 1, domroles => 1}, + instidrulecheck => {remote => 1, domroles => 1,}, + instidrules => {remote => 1, domroles => 1,}, + instrulecheck => {remote => 1, enroll => 1, reqcrs => 1, domroles => 1}, + instselfcreatecheck => {institutiononly => 1}, + instuserrules => {remote => 1, enroll => 1, reqcrs => 1, domroles => 1}, + keys => {remote => 1,}, + load => {anywhere => 1}, + log => {anywhere => 1}, + ls => {remote => 1, enroll => 1, content => 1,}, + ls2 => {remote => 1, enroll => 1, content => 1,}, + ls3 => {remote => 1, enroll => 1, content => 1,}, + makeuser => {remote => 1, enroll => 1, domroles => 1,}, + mkdiruserfile => {remote => 1, enroll => 1,}, + newput => {remote => 1, enroll => 1, reqcrs => 1, domroles => 1,}, + passwd => {remote => 1}, + ping => {anywhere => 1}, + pong => {anywhere => 1}, + pushfile => {manageronly => 1}, + put => {remote => 1, enroll => 1, domroles => 1, msg => 1, content => 1, shared => 1}, + putdom => {remote => 1, domroles => 1,}, + putstore => {remote => 1, enroll => 1}, + queryreply => {anywhere => 1}, + querysend => {anywhere => 1}, + quit => {anywhere => 1}, + readlonnetglobal => {institutiononly => 1}, + reinit => {manageronly => 1}, #not used currently + removeuserfile => {remote => 1, enroll => 1}, + renameuserfile => {remote => 1,}, + restore => {remote => 1, enroll => 1, reqcrs => 1,}, + rolesdel => {remote => 1, enroll => 1, domroles => 1, coaurem => 1}, + rolesput => {remote => 1, enroll => 1, domroles => 1, coaurem => 1}, + servercerts => {institutiononly => 1}, + serverdistarch => {anywhere => 1}, + serverhomeID => {anywhere => 1}, + serverloncaparev => {anywhere => 1}, + servertimezone => {remote => 1, enroll => 1}, + setannounce => {remote => 1, domroles => 1}, + sethost => {anywhere => 1}, + store => {remote => 1, enroll => 1, reqcrs => 1,}, + studentphoto => {remote => 1, enroll => 1}, + sub => {content => 1,}, + tmpdel => {anywhere => 1}, + tmpget => {anywhere => 1}, + tmpput => {anywhere => 1}, + tokenauthuserfile => {anywhere => 1}, + unsub => {content => 1,}, + update => {shared => 1}, + updateclickers => {remote => 1}, + userhassession => {anywhere => 1}, + userload => {anywhere => 1}, + version => {anywhere => 1}, #not used + ); + +# # Statistics that are maintained and dislayed in the status line. # my $Transactions = 0; # Number of attempted transactions. @@ -666,10 +812,8 @@ sub PushFile { $clientprotocol = 'http' if ($clientprotocol ne 'https'); my $url = '/adm/'.$filename; $url =~ s{_}{/}; - my $ua=new LWP::UserAgent; - $ua->timeout(60); my $request=new HTTP::Request('GET',"$clientprotocol://$clienthost$url"); - my $response=$ua->request($request); + my $response = LONCAPA::LWPReq::makerequest($clientname,$request,'',\%perlvar,60,0); if ($response->is_error()) { &logthis('<font color="red"> Pushfile: unable to install ' .$tablefile." - error attempting to pull data. </font>"); @@ -1429,14 +1573,12 @@ sub du2_handler { # # 1. for a directory, and the path does not begin with one of: # (a) /home/httpd/html/res/<domain> -# (b) /home/httpd/html/userfiles/ +# (b) /home/httpd/html/res/userfiles/ # (c) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/userfiles # or is: # -# 2. for a file, and the path (after prepending) does not begin with one of: -# (a) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/ -# (b) /home/httpd/html/res/<domain>/<username>/ -# (c) /home/httpd/html/userfiles/<domain>/<username>/ +# 2. for a file, and the path (after prepending) does not begin with: +# /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/ # # the response will be "refused". # @@ -1467,8 +1609,8 @@ sub ls_handler { } if (-e $ulsdir) { if(-d $ulsdir) { - unless (($ulsdir =~ m{^/home/httpd/html/(res/$LONCAPA::match_domain|userfiles/)}) || - ($ulsdir =~ m{^/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_name/userfiles})) { + unless (($ulsdir =~ m{/home/httpd/html/(res/$LONCAPA::match_domain|userfiles/)}) || + ($ulsdir =~ m{/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_username/userfiles/})) { &Failure($client,"refused\n",$userinput); return 1; } @@ -1495,8 +1637,7 @@ sub ls_handler { closedir(LSDIR); } } else { - unless (($ulsdir =~ m{^/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_name/}) || - ($ulsdir =~ m{^/home/httpd/html/(?:res|userfiles)/$LONCAPA::match_domain/$LONCAPA::match_name/})) { + unless ($ulsdir =~ m{/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_username/}) { &Failure($client,"refused\n",$userinput); return 1; } @@ -1529,14 +1670,12 @@ sub ls_handler { # # 1. for a directory, and the path does not begin with one of: # (a) /home/httpd/html/res/<domain> -# (b) /home/httpd/html/userfiles/ +# (b) /home/httpd/html/res/userfiles/ # (c) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/userfiles # or is: # -# 2. for a file, and the path (after prepending) does not begin with one of: -# (a) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/ -# (b) /home/httpd/html/res/<domain>/<username>/ -# (c) /home/httpd/html/userfiles/<domain>/<username>/ +# 2. for a file, and the path (after prepending) does not begin with: +# /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/ # # the response will be "refused". # @@ -1566,8 +1705,8 @@ sub ls2_handler { } if (-e $ulsdir) { if(-d $ulsdir) { - unless (($ulsdir =~ m{^/home/httpd/html/(res/$LONCAPA::match_domain|userfiles/)}) || - ($ulsdir =~ m{^/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_name/userfiles})) { + unless (($ulsdir =~ m{/home/httpd/html/(res/$LONCAPA::match_domain|userfiles/)}) || + ($ulsdir =~ m{/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_username/userfiles/})) { &Failure($client,"refused\n","$userinput"); return 1; } @@ -1595,8 +1734,7 @@ sub ls2_handler { closedir(LSDIR); } } else { - unless (($ulsdir =~ m{^/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_name/}) || - ($ulsdir =~ m{^/home/httpd/html/(?:res|userfiles)/$LONCAPA::match_domain/$LONCAPA::match_name/})) { + unless ($ulsdir =~ m{/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_username/}) { &Failure($client,"refused\n",$userinput); return 1; } @@ -1621,17 +1759,14 @@ sub ls2_handler { # # 1. for a directory, and the path does not begin with one of: # (a) /home/httpd/html/res/<domain> -# (b) /home/httpd/html/userfiles/ +# (b) /home/httpd/html/res/userfiles/ # (c) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/userfiles -# (d) /home/httpd/html/priv/<domain> and client is the homeserver +# (d) /home/httpd/html/priv/<domain>/ and client is the homeserver # # or is: # -# 2. for a file, and the path (after prepending) does not begin with one of: -# (a) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/ -# (b) /home/httpd/html/res/<domain>/<username>/ -# (c) /home/httpd/html/userfiles/<domain>/<username>/ -# (d) /home/httpd/html/priv/<domain>/<username>/ and client is the homeserver +# 2. for a file, and the path (after prepending) does not begin with: +# /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/ # # the response will be "refused". # @@ -1708,9 +1843,9 @@ sub ls3_handler { if (-e $ulsdir) { if(-d $ulsdir) { unless (($getpropath) || ($getuserdir) || - ($ulsdir =~ m{^/home/httpd/html/(res/$LONCAPA::match_domain|userfiles/)}) || - ($ulsdir =~ m{^/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_name/userfiles}) || - (($ulsdir =~ m{^/home/httpd/html/priv/$LONCAPA::match_domain}) && ($islocal))) { + ($ulsdir =~ m{/home/httpd/html/(res/$LONCAPA::match_domain|userfiles/)}) || + ($ulsdir =~ m{/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_username/userfiles/}) || + (($ulsdir =~ m{/home/httpd/html/priv/$LONCAPA::match_domain/}) && ($islocal))) { &Failure($client,"refused\n",$userinput); return 1; } @@ -1739,9 +1874,7 @@ sub ls3_handler { } } else { unless (($getpropath) || ($getuserdir) || - ($ulsdir =~ m{^/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_name/}) || - ($ulsdir =~ m{^/home/httpd/html/(?:res|userfiles)/$LONCAPA::match_domain/$LONCAPA::match_name/}) || - (($ulsdir =~ m{^/home/httpd/html/priv/$LONCAPA::match_domain/$LONCAPA::match_name/}) && ($islocal))) { + ($ulsdir =~ m{/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_username/})) { &Failure($client,"refused\n",$userinput); return 1; } @@ -1795,7 +1928,7 @@ sub read_lonnet_global { } if ($what eq 'perlvar') { if (!exists($packagevars{$what}{'lonBalancer'})) { - if ($dist =~ /^(centos|rhes|fedora|scientific|oracle)/) { + if ($dist =~ /^(centos|rhes|fedora|scientific)/) { my $othervarref=LONCAPA::Configuration::read_conf('httpd.conf'); if (ref($othervarref) eq 'HASH') { $items->{'lonBalancer'} = $othervarref->{'lonBalancer'}; @@ -1888,6 +2021,16 @@ sub server_distarch_handler { } ®ister_handler("serverdistarch", \&server_distarch_handler, 0, 1, 0); +sub server_certs_handler { + my ($cmd,$tail,$client) = @_; + my $userinput = "$cmd:$tail"; + my $result; + my $result = &LONCAPA::Lond::server_certs(\%perlvar); + &Reply($client,\$result,$userinput); + return; +} +®ister_handler("servercerts", \&server_certs_handler, 0, 1, 0); + # Process a reinit request. Reinit requests that either # lonc or lond be reinitialized so that an updated # host.tab or domain.tab can be processed. @@ -2026,12 +2169,8 @@ sub authenticate_handler { if (ref($hostedsession) eq 'HASH') { $hosted = $hostedsession->{'hosted'}; } - my $loncaparev = $clientversion; - if ($loncaparev eq '') { - $loncaparev = $Apache::lonnet::loncaparevs{$clientname}; - } $canhost = &Apache::lonnet::can_host_session($udom,$clientname, - $loncaparev, + $clientversion, $remote,$hosted); } } @@ -2107,84 +2246,12 @@ sub change_password_handler { } if($validated) { my $realpasswd = &get_auth_type($udom, $uname); # Defined since authd. + my ($howpwd,$contentpwd)=split(/:/,$realpasswd); - my $notunique; if ($howpwd eq 'internal') { &Debug("internal auth"); my $ncpass = &hash_passwd($udom,$npass); - my (undef,$method,@rest) = split(/!/,$contentpwd); - if ($method eq 'bcrypt') { - my %passwdconf = &Apache::lonnet::get_passwdconf($udom); - if (($passwdconf{'numsaved'}) && ($passwdconf{'numsaved'} =~ /^\d+$/)) { - my @oldpasswds; - my $userpath = &propath($udom,$uname); - my $fullpath = $userpath.'/oldpasswds'; - if (-d $userpath) { - my @oldfiles; - if (-e $fullpath) { - if (opendir(my $dir,$fullpath)) { - (@oldfiles) = grep(/^\d+$/,readdir($dir)); - closedir($dir); - } - if (@oldfiles) { - @oldfiles = sort { $b <=> $a } (@oldfiles); - my $numremoved = 0; - for (my $i=0; $i<@oldfiles; $i++) { - if ($i>=$passwdconf{'numsaved'}) { - if (-f "$fullpath/$oldfiles[$i]") { - if (unlink("$fullpath/$oldfiles[$i]")) { - $numremoved ++; - } - } - } elsif (open(my $fh,'<',"$fullpath/$oldfiles[$i]")) { - while (my $line = <$fh>) { - push(@oldpasswds,$line); - } - close($fh); - } - } - if ($numremoved) { - &logthis("unlinked $numremoved old password files for $uname:$udom"); - } - } - } - push(@oldpasswds,$contentpwd); - foreach my $item (@oldpasswds) { - my (undef,$method,@rest) = split(/!/,$item); - if ($method eq 'bcrypt') { - my $result = &hash_passwd($udom,$npass,@rest); - if ($result eq $item) { - $notunique = 1; - last; - } - } - } - unless ($notunique) { - unless (-e $fullpath) { - if (&mkpath("$fullpath/")) { - chmod(0700,$fullpath); - } - } - if (-d $fullpath) { - my $now = time; - if (open(my $fh,'>',"$fullpath/$now")) { - print $fh $contentpwd; - close($fh); - chmod(0400,"$fullpath/$now"); - } - } - } - } - } - } - if ($notunique) { - my $msg="Result of password change for $uname:$udom - password matches one used before"; - if ($lonhost) { - $msg .= " - request originated from: $lonhost"; - } - &logthis($msg); - &Reply($client, "prioruse\n", $userinput); - } elsif (&rewrite_password_file($udom, $uname, "internal:$ncpass")) { + if(&rewrite_password_file($udom, $uname, "internal:$ncpass")) { my $msg="Result of password change for $uname: pwchange_success"; if ($lonhost) { $msg .= " - request originated from: $lonhost"; @@ -2201,7 +2268,7 @@ sub change_password_handler { my $result = &change_unix_password($uname, $npass); if ($result eq 'ok') { &update_passwd_history($uname,$udom,$howpwd,$context); - } + } &logthis("Result of password change for $uname: ". $result); &Reply($client, \$result, $userinput); @@ -2212,6 +2279,7 @@ sub change_password_handler { # &Failure( $client, "auth_mode_error\n", $userinput); } + } else { if ($failure eq '') { $failure = 'non_authorized'; @@ -2232,8 +2300,12 @@ sub hash_passwd { my $plainsalt = substr($rest[1],0,22); $salt = Crypt::Eksblowfish::Bcrypt::de_base64($plainsalt); } else { - my %domdefaults = &Apache::lonnet::get_domain_defaults($domain); - my $defaultcost = $domdefaults{'intauth_cost'}; + my $defaultcost; + my %domconfig = + &Apache::lonnet::get_dom('configuration',['password'],$domain); + if (ref($domconfig{'password'}) eq 'HASH') { + $defaultcost = $domconfig{'password'}{'cost'}; + } if (($defaultcost eq '') || ($defaultcost =~ /D/)) { $cost = 10; } else { @@ -2368,7 +2440,7 @@ sub change_authentication_handler { my $result = &change_unix_password($uname, $npass); &logthis("Result of password change for $uname: ".$result); if ($result eq "ok") { - &update_passwd_history($uname,$udom,$umode,'changeuserauth'); + &update_passwd_history($uname,$udom,$umode,'changeuserauth'); &Reply($client, \$result); } else { &Failure($client, \$result); @@ -2493,18 +2565,13 @@ sub update_resource_handler { # FIXME: this should use the LWP mechanism, not internal alarms. alarm(1200); { - my $ua=new LWP::UserAgent; my $request=new HTTP::Request('GET',"$remoteurl"); - $response=$ua->request($request,$transname); + $response=&LONCAPA::LWPReq::makerequest($clientname,$request,$transname,\%perlvar,1200,0,1); } alarm(0); if ($response->is_error()) { - my $reply=&Apache::lonnet::reply("unsub:$fname","$clientname"); - &devalidate_meta_cache($fname); - if (-e $transname) { - unlink($transname); - } - unlink($fname); +# FIXME: we should probably clean up here instead of just whine + unlink($transname); my $message=$response->status_line; &logthis("LWP GET: $message for $fname ($remoteurl)"); } else { @@ -2512,9 +2579,8 @@ sub update_resource_handler { # FIXME: isn't there an internal LWP mechanism for this? alarm(120); { - my $ua=new LWP::UserAgent; my $mrequest=new HTTP::Request('GET',$remoteurl.'.meta'); - my $mresponse=$ua->request($mrequest,$fname.'.meta'); + my $mresponse = &LONCAPA::LWPReq::makerequest($clientname,$mrequest,$fname.'.meta',\%perlvar,120,0,1); if ($mresponse->is_error()) { unlink($fname.'.meta'); } @@ -2589,11 +2655,15 @@ sub fetch_user_file_handler { my $remoteurl=$clientprotocol.'://'.$clienthost.'/userfiles/'.$fname; my $response; Debug("Remote URL : $remoteurl Transfername $transname Destname: $destname"); - alarm(120); + alarm(1200); { - my $ua=new LWP::UserAgent; my $request=new HTTP::Request('GET',"$remoteurl"); - $response=$ua->request($request,$transname); + my $verifycert = 1; + my @machine_ids = &Apache::lonnet::current_machine_ids(); + if (grep(/^\Q$clientname\E$/,@machine_ids)) { + $verifycert = 0; + } + $response = &LONCAPA::LWPReq::makerequest($clientname,$request,$transname,\%perlvar,1200,$verifycert); } alarm(0); if ($response->is_error()) { @@ -2662,13 +2732,13 @@ sub remove_user_file_handler { if (-e $file) { # # If the file is a regular file unlink is fine... - # However it's possible the client wants a dir - # removed, in which case rmdir is more appropriate - # Note: rmdir will only remove an empty directory. + # However it's possible the client wants a dir + # removed, in which case rmdir is more appropriate. + # Note: rmdir will only remove an empty directory. # if (-f $file){ unlink($file); - # for html files remove the associated .bak file + # for html files remove the associated .bak file # which may have been created by the editor. if ($ufile =~ m{^((docs|supplemental)/(?:\d+|default)/\d+(?:|/.+)/)[^/]+\.x?html?$}i) { my $path = $1; @@ -3042,8 +3112,8 @@ sub newput_user_profile_entry { &logthis("error: ".($!+0)." untie (GDBM) failed ". "while attempting newput - early out as key exists"); } - &Failure($client, "key_exists: ".$key."\n",$userinput); - return 1; + &Failure($client, "key_exists: ".$key."\n",$userinput); + return 1; } } @@ -3293,8 +3363,7 @@ sub get_profile_entry { # # Parameters: # $cmd - Command keyword of request (eget). -# $tail - Tail of the command. See GetProfileEntry -# for more information about this. +# $tail - Tail of the command. See GetProfileEntry # for more information about this. # $client - File open on the client. # Returns: # 1 - Continue processing @@ -3446,6 +3515,17 @@ sub get_profile_keys { sub dump_profile_database { my ($cmd, $tail, $client) = @_; + my $res = LONCAPA::Lond::dump_profile_database($tail); + + if ($res =~ /^error:/) { + Failure($client, \$res, "$cmd:$tail"); + } else { + Reply($client, \$res, "$cmd:$tail"); + } + + return 1; + + #TODO remove my $userinput = "$cmd:$tail"; my ($udom,$uname,$namespace) = split(/:/,$tail); @@ -3525,11 +3605,11 @@ sub dump_with_regexp { my ($cmd, $tail, $client) = @_; my $res = LONCAPA::Lond::dump_with_regexp($tail, $clientversion); - + if ($res =~ /^error:/) { - &Failure($client, \$res, "$cmd:$tail"); + Failure($client, \$res, "$cmd:$tail"); } else { - &Reply($client, \$res, "$cmd:$tail"); + Reply($client, \$res, "$cmd:$tail"); } return 1; @@ -3567,7 +3647,6 @@ sub store_handler { my ($cmd, $tail, $client) = @_; my $userinput = "$cmd:$tail"; - chomp($tail); my ($udom,$uname,$namespace,$rid,$what,$laststore) =split(/:/,$tail); if ($namespace ne 'roles') { @@ -3597,7 +3676,6 @@ sub store_handler { $numtrans =~ s/D//g; } } - $hashref->{"version:$rid"}++; my $version=$hashref->{"version:$rid"}; my $allkeys=''; @@ -3614,7 +3692,7 @@ sub store_handler { if ($numtrans) { $msg = 'delay:'.$numtrans; } - &Reply($client, "$msg\n", $userinput); + &Reply($client, "$msg\n", $userinput); } else { &Failure($client, "error: ".($!+0)." untie(GDBM) Failed ". "while attempting store\n", $userinput); @@ -3876,37 +3954,6 @@ sub send_query_handler { my ($query,$arg1,$arg2,$arg3)=split(/\:/,$tail); $query=~s/\n*$//g; - if (($query eq 'usersearch') || ($query eq 'instdirsearch')) { - my $usersearchconf = &get_usersearch_config($currentdomainid,'directorysrch'); - my $earlyout; - if (ref($usersearchconf) eq 'HASH') { - if ($currentdomainid eq $clienthomedom) { - if ($query eq 'usersearch') { - if ($usersearchconf->{'lcavailable'} eq '0') { - $earlyout = 1; - } - } else { - if ($usersearchconf->{'available'} eq '0') { - $earlyout = 1; - } - } - } else { - if ($query eq 'usersearch') { - if ($usersearchconf->{'lclocalonly'}) { - $earlyout = 1; - } - } else { - if ($usersearchconf->{'localonly'}) { - $earlyout = 1; - } - } - } - } - if ($earlyout) { - &Reply($client, "query_not_authorized\n"); - return 1; - } - } &Reply($client, "". &sql_reply("$clientname\&$query". "\&$arg1"."\&$arg2"."\&$arg3")."\n", $userinput); @@ -4162,7 +4209,7 @@ sub put_course_id_hash_handler { # # domcloner - flag to indicate if user can create CCs in course's domain. # If so, ability to clone course is automatic. -# hasuniquecode - filter by courses for which a six character unique code has +# hasuniquecode - filter by courses for which a six character unique code has # been set. # # $client - The socket open on the client. @@ -4172,6 +4219,17 @@ sub put_course_id_hash_handler { # a reply is written to $client. sub dump_course_id_handler { my ($cmd, $tail, $client) = @_; + + my $res = LONCAPA::Lond::dump_course_id_handler($tail); + if ($res =~ /^error:/) { + Failure($client, \$res, "$cmd:$tail"); + } else { + Reply($client, \$res, "$cmd:$tail"); + } + + return 1; + + #TODO remove my $userinput = "$cmd:$tail"; my ($udom,$since,$description,$instcodefilter,$ownerfilter,$coursefilter, @@ -4576,44 +4634,6 @@ sub course_lastaccess_handler { } ®ister_handler("courselastaccess",\&course_lastaccess_handler, 0, 1, 0); -sub course_sessions_handler { - my ($cmd, $tail, $client) = @_; - my $userinput = "$cmd:$tail"; - my ($cdom,$cnum,$lastactivity) = split(':',$tail); - my $dbsuffix = '_'.$cdom.'_'.$cnum.'.db'; - my (%sessions,$qresult); - my $now=time; - if (opendir(DIR,$perlvar{'lonIDsDir'})) { - my $filename; - while ($filename=readdir(DIR)) { - next if ($filename=~/^\./); - next if ($filename=~/^publicuser_/); - next if ($filename=~/^[a-f0-9]+_(linked|lti_\d+)\.id$/); - if ($filename =~ /^($LONCAPA::match_username)_\d+_($LONCAPA::match_domain)_/) { - my ($uname,$udom) = ($1,$2); - next unless (-e "$perlvar{'lonDaemons'}/tmp/$uname$dbsuffix"); - my $mtime = (stat("$perlvar{'lonIDsDir'}/$filename"))[9]; - if ($lastactivity < 0) { - next if ($mtime-$now > $lastactivity); - } else { - next if ($now-$mtime > $lastactivity); - } - $sessions{$uname.':'.$udom} = $mtime; - } - } - closedir(DIR); - } - foreach my $user (keys(%sessions)) { - $qresult.=&escape($user).'='.$sessions{$user}.'&'; - } - if ($qresult) { - chop($qresult); - } - &Reply($client, \$qresult, $userinput); - return 1; -} -®ister_handler("coursesessions",\&course_sessions_handler, 0, 1, 0); - # # Puts an unencrypted entry in a namespace db file at the domain level # @@ -4657,6 +4677,122 @@ sub put_domain_handler { } ®ister_handler("putdom", \&put_domain_handler, 0, 1, 0); +# Updates one or more entries in clickers.db file at the domain level +# +# Parameters: +# $cmd - The command that got us here. +# $tail - Tail of the command (remaining parameters). +# In this case a colon separated list containing: +# (a) the domain for which we are updating the entries, +# (b) the action required -- add or del -- and +# (c) a &-separated list of entries to add or delete. +# $client - File descriptor connected to client. +# Returns +# 1 - Continue processing. +# 0 - Requested to exit, caller should shut down. +# Side effects: +# reply is written to $client. +# + + +sub update_clickers { + my ($cmd, $tail, $client) = @_; + + my $userinput = "$cmd:$tail"; + my ($udom,$action,$what) =split(/:/,$tail,3); + chomp($what); + + my $hashref = &tie_domain_hash($udom, "clickers", &GDBM_WRCREAT(), + "U","$action:$what"); + + if (!$hashref) { + &Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ". + "while attempting updateclickers\n", $userinput); + return 1; + } + + my @pairs=split(/\&/,$what); + foreach my $pair (@pairs) { + my ($key,$value)=split(/=/,$pair); + if ($action eq 'add') { + if (exists($hashref->{$key})) { + my @newvals = split(/,/,&unescape($value)); + my @currvals = split(/,/,&unescape($hashref->{$key})); + my @merged = sort(keys(%{{map { $_ => 1 } (@newvals,@currvals)}})); + $hashref->{$key}=&escape(join(',',@merged)); + } else { + $hashref->{$key}=$value; + } + } elsif ($action eq 'del') { + if (exists($hashref->{$key})) { + my %current; + map { $current{$_} = 1; } split(/,/,&unescape($hashref->{$key})); + map { delete($current{$_}); } split(/,/,&unescape($value)); + if (keys(%current)) { + $hashref->{$key}=&escape(join(',',sort(keys(%current)))); + } else { + delete($hashref->{$key}); + } + } + } + } + if (&untie_user_hash($hashref)) { + &Reply( $client, "ok\n", $userinput); + } else { + &Failure($client, "error: ".($!+0)." untie(GDBM) failed ". + "while attempting put\n", + $userinput); + } + return 1; +} +®ister_handler("updateclickers", \&update_clickers, 0, 1, 0); + + +# Deletes one or more entries in a namespace db file at the domain level +# +# Parameters: +# $cmd - The command that got us here. +# $tail - Tail of the command (remaining parameters). +# In this case a colon separated list containing: +# (a) the domain for which we are deleting the entries, +# (b) &-separated list of keys to delete. +# $client - File descriptor connected to client. +# Returns +# 1 - Continue processing. +# 0 - Requested to exit, caller should shut down. +# Side effects: +# reply is written to $client. +# + +sub del_domain_handler { + my ($cmd,$tail,$client) = @_; + + my $userinput = "$cmd:$tail"; + + my ($udom,$namespace,$what)=split(/:/,$tail,3); + chomp($what); + my $hashref = &tie_domain_hash($udom,$namespace,&GDBM_WRCREAT(), + "D", $what); + if ($hashref) { + my @keys=split(/\&/,$what); + foreach my $key (@keys) { + delete($hashref->{$key}); + } + if (&untie_user_hash($hashref)) { + &Reply($client, "ok\n", $userinput); + } else { + &Failure($client, "error: ".($!+0)." untie(GDBM) Failed ". + "while attempting deldom\n", $userinput); + } + } else { + &Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ". + "while attempting deldom\n", $userinput); + } + return 1; +} +®ister_handler("deldom", \&del_domain_handler, 0, 1, 0); + + # Unencrypted get from the namespace database file at the domain level. # This function retrieves a keyed item from a specific named database in the # domain directory. @@ -4680,7 +4816,7 @@ sub get_domain_handler { my ($cmd, $tail, $client) = @_; - my $userinput = "$cmd:$tail"; + my $userinput = "$client:$tail"; my ($udom,$namespace,$what)=split(/:/,$tail,3); chomp($what); @@ -4816,7 +4952,7 @@ sub get_id_handler { # Returns: # 1 - Continue processing # 0 - Exit server. -# +# # sub del_id_handler { @@ -5223,116 +5359,6 @@ sub tmp_del_handler { ®ister_handler("tmpdel", \&tmp_del_handler, 0, 1, 0); # -# Process the updatebalcookie command. This command updates a -# cookie in the lonBalancedir directory on a load balancer node. -# -# Parameters: -# $cmd - Command that got us here. -# $tail - Tail of the request (escaped cookie: escaped current entry) -# -# $client - socket open on the client process. -# -# Returns: -# 1 - Indicating processing should continue. -# Side Effects: -# A cookie file is updated from the lonBalancedir directory -# A reply is sent to the client. -# -sub update_balcookie_handler { - my ($cmd, $tail, $client) = @_; - - my $userinput= "$cmd:$tail"; - chomp($tail); - my ($cookie,$lastentry) = map { &unescape($_) } (split(/:/,$tail)); - - my $updatedone; - if ($cookie =~ /^$LONCAPA::match_domain\_$LONCAPA::match_username\_[a-f0-9]{32}$/) { - my $execdir=$perlvar{'lonBalanceDir'}; - if (-e "$execdir/$cookie.id") { - my $doupdate; - if (open(my $fh,'<',"$execdir/$cookie.id")) { - while (my $line = <$fh>) { - chomp($line); - if ($line eq $lastentry) { - $doupdate = 1; - last; - } - } - close($fh); - } - if ($doupdate) { - if (open(my $fh,'>',"$execdir/$cookie.id")) { - print $fh $clientname; - close($fh); - $updatedone = 1; - } - } - } - } - if ($updatedone) { - &Reply($client, "ok\n", $userinput); - } else { - &Failure( $client, "error: ".($!+0)."file update failed ". - "while attempting updatebalcookie\n", $userinput); - } - return 1; -} -®ister_handler("updatebalcookie", \&update_balcookie_handler, 0, 1, 0); - -# -# Process the delbalcookie command. This command deletes a balancer -# cookie in the lonBalancedir directory on a load balancer node. -# -# Parameters: -# $cmd - Command that got us here. -# $cookie - Cookie to be deleted. -# $client - socket open on the client process. -# -# Returns: -# 1 - Indicating processing should continue. -# Side Effects: -# A cookie file is deleted from the lonBalancedir directory -# A reply is sent to the client. -sub del_balcookie_handler { - my ($cmd, $cookie, $client) = @_; - - my $userinput= "$cmd:$cookie"; - - chomp($cookie); - $cookie = &unescape($cookie); - my $deleted = ''; - if ($cookie =~ /^$LONCAPA::match_domain\_$LONCAPA::match_username\_[a-f0-9]{32}$/) { - my $execdir=$perlvar{'lonBalanceDir'}; - if (-e "$execdir/$cookie.id") { - if (open(my $fh,'<',"$execdir/$cookie.id")) { - my $dodelete; - while (my $line = <$fh>) { - chomp($line); - if ($line eq $clientname) { - $dodelete = 1; - last; - } - } - close($fh); - if ($dodelete) { - if (unlink("$execdir/$cookie.id")) { - $deleted = 1; - } - } - } - } - } - if ($deleted) { - &Reply($client, "ok\n", $userinput); - } else { - &Failure( $client, "error: ".($!+0)."Unlinking cookie file Failed ". - "while attempting delbalcookie\n", $userinput); - } - return 1; -} -®ister_handler("delbalcookie", \&del_balcookie_handler, 0, 1, 0); - -# # Processes the setannounce command. This command # creates a file named announce.txt in the top directory of # the documentn root and sets its contents. The announce.txt file is @@ -5611,10 +5637,9 @@ sub validate_course_section_handler { # Formal Parameters: # $cmd - The command request that got us dispatched. # $tail - The tail of the command. In this case this is a colon separated -# set of values that will be split into: +# set of words that will be split into: # $inst_class - Institutional code for the specific class section -# $ownerlist - An escaped comma-separated list of username:domain -# of the course owner, and co-owner(s). +# $courseowner - The escaped username:domain of the course owner # $cdom - The domain of the course from the institution's # point of view. # $client - The socket open on the client. @@ -5639,56 +5664,6 @@ sub validate_class_access_handler { ®ister_handler("autovalidateclass_sec", \&validate_class_access_handler, 0, 1, 0); # -# Validate course owner or co-owners(s) access to enrollment data for all sections -# and crosslistings for a particular course. -# -# -# Formal Parameters: -# $cmd - The command request that got us dispatched. -# $tail - The tail of the command. In this case this is a colon separated -# set of values that will be split into: -# $ownerlist - An escaped comma-separated list of username:domain -# of the course owner, and co-owner(s). -# $cdom - The domain of the course from the institution's -# point of view. -# $classes - Frozen hash of institutional course sections and -# crosslistings. -# $client - The socket open on the client. -# Returns: -# 1 - continue processing. -# - -sub validate_classes_handler { - my ($cmd, $tail, $client) = @_; - my $userinput = "$cmd:$tail"; - my ($ownerlist,$cdom,$classes) = split(/:/, $tail); - my $classesref = &Apache::lonnet::thaw_unescape($classes); - my $owners = &unescape($ownerlist); - my $result; - eval { - local($SIG{__DIE__})='DEFAULT'; - my %validations; - my $response = &localenroll::check_instclasses($owners,$cdom,$classesref, - \%validations); - if ($response eq 'ok') { - foreach my $key (keys(%validations)) { - $result .= &escape($key).'='.&Apache::lonnet::freeze_escape($validations{$key}).'&'; - } - $result =~ s/\&$//; - } else { - $result = 'error'; - } - }; - if (!$@) { - &Reply($client, \$result, $userinput); - } else { - &Failure($client,"unknown_cmd\n",$userinput); - } - return 1; -} -®ister_handler("autovalidateinstclasses", \&validate_classes_handler, 0, 1, 0); - -# # Create a password for a new LON-CAPA user added by auto-enrollment. # Only used for case where authentication method for new user is localauth # @@ -5766,8 +5741,7 @@ sub auto_export_grades_handler { return 1; } ®ister_handler("autoexportgrades", \&auto_export_grades_handler, - 1, 1, 0); - + 0, 1, 0); # Retrieve and remove temporary files created by/during autoenrollment. # @@ -5789,6 +5763,7 @@ sub retrieve_auto_file_handler { my ($filename) = split(/:/, $tail); my $source = $perlvar{'lonDaemons'}.'/tmp/'.$filename; + if ($filename =~m{/\.\./}) { &Failure($client, "refused\n", $userinput); } elsif ($filename !~ /^$LONCAPA::match_domain\_$LONCAPA::match_courseid\_.+_classlist\.xml$/) { @@ -5825,7 +5800,7 @@ sub crsreq_checks_handler { my $userinput = "$cmd:$tail"; my $dom = $tail; my $result; - my @reqtypes = ('official','unofficial','community','textbook'); + my @reqtypes = ('official','unofficial','community','textbook','placement'); eval { local($SIG{__DIE__})='DEFAULT'; my %validations; @@ -6430,12 +6405,13 @@ sub get_request { # # Parameters: # user_input - The request received from the client (lonc). +# # Returns: # true to keep processing, false if caller should exit. # sub process_request { - my ($userinput) = @_; # Easier for now to break style than to - # fix all the userinput -> user_input. + my ($userinput) = @_; # Easier for now to break style than to + # fix all the userinput -> user_input. my $wasenc = 0; # True if request was encrypted. # ------------------------------------------------------------ See if encrypted # for command @@ -6515,6 +6491,49 @@ sub process_request { Debug("Client not privileged to do this operation"); $ok = 0; } + if ($ok) { + if (ref($trust{$command}) eq 'HASH') { + my $donechecks; + if ($trust{$command}{'anywhere'}) { + $donechecks = 1; + } elsif ($trust{$command}{'manageronly'}) { + unless (&isManager()) { + $ok = 0; + } + $donechecks = 1; + } elsif ($trust{$command}{'institutiononly'}) { + unless ($clientsameinst) { + $ok = 0; + } + $donechecks = 1; + } elsif ($clientsameinst) { + $donechecks = 1; + } + unless ($donechecks) { + foreach my $rule (keys(%{$trust{$command}})) { + next if ($rule eq 'remote'); + if ($trust{$command}{$rule}) { + if ($clientprohibited{$rule}) { + $ok = 0; + } else { + $ok = 1; + $donechecks = 1; + last; + } + } + } + } + unless ($donechecks) { + if ($trust{$command}{'remote'}) { + if ($clientremoteok) { + $ok = 1; + } else { + $ok = 0; + } + } + } + } + } if($ok) { Debug("Dispatching to handler $command $tail"); @@ -6525,8 +6544,7 @@ sub process_request { Failure($client, "refused\n", $userinput); return 1; } - - } + } print $client "unknown_cmd\n"; # -------------------------------------------------------------------- complete @@ -6666,8 +6684,8 @@ my $wwwid=getpwnam('www'); if ($wwwid!=$<) { my $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}"; my $subj="LON: $currenthostid User ID mismatch"; - system("echo 'User ID mismatch. lond must be run as user www.' |". - " mail -s '$subj' $emailto > /dev/null"); + system("echo 'User ID mismatch. lond must be run as user www.' |\ + mailto $emailto -s '$subj' > /dev/null"); exit 1; } @@ -6870,6 +6888,9 @@ sub Debug { # reply - Text to send to client. # request - Original request from client. # +#NOTE $reply must be terminated by exactly *one* \n. If $reply is a reference +#this is done automatically ($$reply must not contain any \n in this case). +#If $reply is a string the caller has to ensure this. sub Reply { my ($fd, $reply, $request) = @_; if (ref($reply)) { @@ -7117,13 +7138,13 @@ sub make_new_child { &Authen::Krb5::init_context(); my $no_ets; - if ($dist =~ /^(?:centos|rhes|scientific|oracle)(\d+)$/) { + if ($dist =~ /^(?:centos|rhes|scientific)(\d+)$/) { if ($1 >= 7) { $no_ets = 1; } } elsif ($dist =~ /^suse(\d+\.\d+)$/) { if (($1 eq '9.3') || ($1 >= 12.2)) { - $no_ets = 1; + $no_ets = 1; } } elsif ($dist =~ /^sles(\d+)$/) { if ($1 > 11) { @@ -7135,8 +7156,8 @@ sub make_new_child { } } unless ($no_ets) { - &Authen::Krb5::init_ets(); - } + &Authen::Krb5::init_ets(); + } &status('Accepted connection'); # ============================================================================= @@ -7180,12 +7201,12 @@ sub make_new_child { # If the remote is attempting a local init... give that a try: # (my $i, my $inittype, $clientversion) = split(/:/, $remotereq); - # For LON-CAPA 2.9, the client session will have sent its LON-CAPA - # version when initiating the connection. For LON-CAPA 2.8 and older, - # the version is retrieved from the global %loncaparevs in lonnet.pm. - # $clientversion contains path to keyfile if $inittype eq 'local' - # it's overridden below in this case - $clientversion ||= $Apache::lonnet::loncaparevs{$clientname}; + # For LON-CAPA 2.9, the client session will have sent its LON-CAPA + # version when initiating the connection. For LON-CAPA 2.8 and older, + # the version is retrieved from the global %loncaparevs in lonnet.pm. + # $clientversion contains path to keyfile if $inittype eq 'local' + # it's overridden below in this case + $clientversion ||= $Apache::lonnet::loncaparevs{$clientname}; # If the connection type is ssl, but I didn't get my # certificate files yet, then I'll drop back to @@ -7250,6 +7271,7 @@ sub make_new_child { ."Attempted insecure connection disallowed </font>"); close $client; $clientok = 0; + } } } else { @@ -7258,6 +7280,7 @@ sub make_new_child { ."$clientip failed to initialize: >$remotereq< </font>"); &status('No init '.$clientip); } + } else { &logthis( "<font color='blue'>WARNING: Unknown client $clientip</font>"); @@ -7278,6 +7301,41 @@ sub make_new_child { my $clienthost = &Apache::lonnet::hostname($clientname); my $clientserverhomeID = &Apache::lonnet::get_server_homeID($clienthost); $clienthomedom = &Apache::lonnet::host_domain($clientserverhomeID); + $clientintdom = &Apache::lonnet::internet_dom($clientserverhomeID); + $clientsameinst = 0; + if ($clientintdom ne '') { + my $internet_names = &Apache::lonnet::get_internet_names($currenthostid); + if (ref($internet_names) eq 'ARRAY') { + if (grep(/^\Q$clientintdom\E$/,@{$internet_names})) { + $clientsameinst = 1; + } + } + } + $clientremoteok = 0; + unless ($clientsameinst) { + $clientremoteok = 1; + my $defdom = &Apache::lonnet::host_domain($perlvar{'lonHostID'}); + %clientprohibited = &get_prohibited($defdom); + if ($clientintdom) { + my $remsessconf = &get_usersession_config($defdom,'remotesession'); + if (ref($remsessconf) eq 'HASH') { + if (ref($remsessconf->{'remote'}) eq 'HASH') { + if (ref($remsessconf->{'remote'}->{'excludedomain'}) eq 'ARRAY') { + if (grep(/^\Q$clientintdom\E$/,@{$remsessconf->{'remote'}->{'excludedomain'}})) { + $clientremoteok = 0; + } + } + if (ref($remsessconf->{'remote'}->{'includedomain'}) eq 'ARRAY') { + if (grep(/^\Q$clientintdom\E$/,@{$remsessconf->{'remote'}->{'includedomain'}})) { + $clientremoteok = 1; + } else { + $clientremoteok = 0; + } + } + } + } + } + } while(($user_input = get_request) && $keep_going) { alarm(120); Debug("Main: Got $user_input\n"); @@ -7293,7 +7351,7 @@ sub make_new_child { &logthis("<font color='blue'>WARNING: " ."Rejected client $clientip, closing connection</font>"); } - } + } # ============================================================================= @@ -7415,25 +7473,15 @@ sub password_filename { # domain - domain of the user. # name - User's name. # contents - New contents of the file. -# saveold - (optional). If true save old file in a passwd.bak file. # Returns: # 0 - Failed. # 1 - Success. # sub rewrite_password_file { - my ($domain, $user, $contents, $saveold) = @_; + my ($domain, $user, $contents) = @_; my $file = &password_filename($domain, $user); if (defined $file) { - if ($saveold) { - my $bakfile = $file.'.bak'; - if (CopyFile($file,$bakfile)) { - chmod(0400,$bakfile); - &logthis("Old password saved in passwd.bak for internally authenticated user: $user:$domain"); - } else { - &logthis("Failed to save old password in passwd.bak for internally authenticated user: $user:$domain"); - } - } my $pf = IO::File->new(">$file"); if($pf) { print $pf "$contents\n"; @@ -7524,27 +7572,20 @@ sub validate_user { $contentpwd = $domdefaults{'auth_arg_def'}; } } - } + } if ($howpwd ne 'nouser') { if($howpwd eq "internal") { # Encrypted is in local password file. if (length($contentpwd) == 13) { $validated = (crypt($password,$contentpwd) eq $contentpwd); if ($validated) { - my %domdefaults = &Apache::lonnet::get_domain_defaults($domain); - if ($domdefaults{'intauth_switch'}) { - my $ncpass = &hash_passwd($domain,$password); - my $saveold; - if ($domdefaults{'intauth_switch'} == 2) { - $saveold = 1; - } - if (&rewrite_password_file($domain,$user,"$howpwd:$ncpass",$saveold)) { - &update_passwd_history($user,$domain,$howpwd,'conversion'); - &logthis("Validated password hashed with bcrypt for $user:$domain"); - } + my $ncpass = &hash_passwd($domain,$password); + if (&rewrite_password_file($domain,$user,"$howpwd:$ncpass")) { + &update_passwd_history($user,$domain,$howpwd,'conversion'); + &logthis("Validated password hashed with bcrypt for $user:$domain"); } } } else { - $validated = &check_internal_passwd($password,$contentpwd,$domain,$user); + $validated = &check_internal_passwd($password,$contentpwd,$domain); } } elsif ($howpwd eq "unix") { # User is a normal unix user. @@ -7614,35 +7655,24 @@ sub validate_user { } sub check_internal_passwd { - my ($plainpass,$stored,$domain,$user) = @_; + my ($plainpass,$stored,$domain) = @_; my (undef,$method,@rest) = split(/!/,$stored); - if ($method eq 'bcrypt') { + if ($method eq "bcrypt") { my $result = &hash_passwd($domain,$plainpass,@rest); if ($result ne $stored) { return 0; } - my %domdefaults = &Apache::lonnet::get_domain_defaults($domain); - if ($domdefaults{'intauth_check'}) { - # Upgrade to a larger number of rounds if necessary - my $defaultcost = $domdefaults{'intauth_cost'}; - if (($defaultcost eq '') || ($defaultcost =~ /D/)) { - $defaultcost = 10; - } - if (int($rest[0])<int($defaultcost)) { - if ($domdefaults{'intauth_check'} == 1) { - my $ncpass = &hash_passwd($domain,$plainpass); - if (&rewrite_password_file($domain,$user,"internal:$ncpass")) { - &update_passwd_history($user,$domain,'internal','update cost'); - &logthis("Validated password hashed with bcrypt for $user:$domain"); - } - return 1; - } elsif ($domdefaults{'intauth_check'} == 2) { - return 0; - } - } - } else { - return 1; + # Upgrade to a larger number of rounds if necessary + my $defaultcost; + my %domconfig = + &Apache::lonnet::get_dom('configuration',['password'],$domain); + if (ref($domconfig{'password'}) eq 'HASH') { + $defaultcost = $domconfig{'password'}{'cost'}; } + if (($defaultcost eq '') || ($defaultcost =~ /D/)) { + $defaultcost = 10; + } + return 1 unless($rest[0]<$defaultcost); } return 0; } @@ -7990,8 +8020,8 @@ sub make_passwd_file { &Debug("Creating internal auth"); my $pf = IO::File->new(">$passfilename"); if($pf) { - print $pf "internal:$ncpass\n"; - &update_passwd_history($uname,$udom,$umode,$action); + print $pf "internal:$ncpass\n"; + &update_passwd_history($uname,$udom,$umode,$action); } else { $result = "pass_file_failed_error"; } @@ -8064,25 +8094,45 @@ sub get_usersession_config { return $usersessionconf; } else { my %domconfig = &Apache::lonnet::get_dom('configuration',['usersessions'],$dom); - if (ref($domconfig{'usersessions'}) eq 'HASH') { - &Apache::lonnet::do_cache_new($name,$dom,$domconfig{'usersessions'},3600); - return $domconfig{'usersessions'}; - } + &Apache::lonnet::do_cache_new($name,$dom,$domconfig{'usersessions'},3600); + return $domconfig{'usersessions'}; } return; } -sub get_usersearch_config { - my ($dom,$name) = @_; - my ($usersearchconf,$cached)=&Apache::lonnet::is_cached_new($name,$dom); - if (defined($cached)) { - return $usersearchconf; - } else { - my %domconfig = &Apache::lonnet::get_dom('configuration',['directorysrch'],$dom); - &Apache::lonnet::do_cache_new($name,$dom,$domconfig{'directorysrch'},3600); - return $domconfig{'directorysrch'}; +sub get_prohibited { + my ($dom) = @_; + my $name = 'trust'; + my ($trustconfig,$cached)=&Apache::lonnet::is_cached_new($name,$dom); + unless (defined($cached)) { + my %domconfig = &Apache::lonnet::get_dom('configuration',['trust'],$dom); + &Apache::lonnet::do_cache_new($name,$dom,$domconfig{'trust'},3600); + $trustconfig = $domconfig{'trust'}; + } + my %prohibited; + if (ref($trustconfig)) { + foreach my $prefix (keys(%{$trustconfig})) { + if (ref($trustconfig->{$prefix}) eq 'HASH') { + my $reject; + if (ref($trustconfig->{$prefix}->{'exc'}) eq 'ARRAY') { + if (grep(/^\Q$clientintdom\E$/,@{$trustconfig->{$prefix}->{'exc'}})) { + $reject = 1; + } + } + if (ref($trustconfig->{$prefix}->{'inc'}) eq 'ARRAY') { + if (grep(/^\Q$clientintdom\E$/,@{$trustconfig->{$prefix}->{'inc'}})) { + $reject = 0; + } else { + $reject = 1; + } + } + if ($reject) { + $prohibited{$prefix} = 1; + } + } + } } - return; + return %prohibited; } sub distro_and_arch { @@ -8268,7 +8318,7 @@ Allow for a password to be set. Make a user. -=item passwd +=item changeuserauth Allow for authentication mechanism and password to be changed. @@ -8357,6 +8407,10 @@ for each student, defined perhaps by the Returns usernames corresponding to IDs. (These "IDs" are unique identifiers for each student, defined perhaps by the institutional Registrar.) +=item iddel + +Deletes one or more ids in a domain's id database. + =item tmpput Accept and store information in temporary space. @@ -8413,6 +8467,8 @@ Authen::Krb5 =head1 COREQUISITES +none + =head1 OSNAMES linux @@ -8500,9 +8556,9 @@ or the CA's certificate in the call to l <error> is the textual reason this failed. Usual reasons: =over 2 - + =item Apache config file for loncapa incorrect: - + one of the variables lonCertificateDirectory, lonnetCertificateAuthority, or lonnetCertificate undefined or incorrect @@ -8621,7 +8677,7 @@ Could not rewrite the internal password file for a user =item Result of password change for <user> : <result> - + A unix password change for <user> was attempted and the pipe returned <result> @@ -8650,7 +8706,7 @@ lond has been asked to exit by its clien client systemand <input> is the full exit command sent to the server. =item Red CRITICAL: ABNORMAL EXIT. child <pid> for server <hostname> died through a crass with this error->[<message>]. - + A lond child terminated. NOte that this termination can also occur when the child receives the QUIT or DIE signals. <pid> is the process id of the child, <hostname> the host lond is working for, and <message> the reason the child died @@ -8734,7 +8790,7 @@ file when sent it's USR1 signal. That p assumed to be hung in some un-fixable way. =item Finished checking children - + Master processs's USR1 processing is cojmplete. =item (Red) CRITICAL: ------- Starting ------ @@ -8748,7 +8804,7 @@ Started a new child process for <client> connected to the child. This was as a result of a TCP/IP connection from a client. =item Unable to determine who caller was, getpeername returned nothing - + In child process initialization. either getpeername returned undef or a zero sized object was returned. Processing continues, but in my opinion, this should be cause for the child to exit. @@ -8759,7 +8815,7 @@ In child process initialization. The pe The client address is stored as "Unavailable" and processing continues. =item (Yellow) INFO: Connection <ip> <name> connection type = <type> - + In child initialization. A good connectionw as received from <ip>. =over 2 @@ -8809,7 +8865,7 @@ The client (<client> is the peer's name negotiated an SSL connection with this child process. =item (Green) Successful insecure authentication with <client> - + The client has successfully negotiated an insecure connection withthe child process.