--- loncom/lond 2009/08/18 20:08:13 1.422 +++ loncom/lond 2016/05/08 19:05:10 1.520 @@ -2,7 +2,7 @@ # The LearningOnline Network # lond "LON Daemon" Server (port "LOND" 5663) # -# $Id: lond,v 1.422 2009/08/18 20:08:13 raeburn Exp $ +# $Id: lond,v 1.520 2016/05/08 19:05:10 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -15,6 +15,7 @@ # # LON-CAPA is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of + # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # @@ -33,6 +34,7 @@ use strict; use lib '/home/httpd/lib/perl/'; use LONCAPA; use LONCAPA::Configuration; +use LONCAPA::Lond; use IO::Socket; use IO::File; @@ -42,7 +44,6 @@ use Crypt::IDEA; use LWP::UserAgent(); use Digest::MD5 qw(md5_hex); use GDBM_File; -use Authen::Krb4; use Authen::Krb5; use localauth; use localenroll; @@ -53,13 +54,17 @@ use LONCAPA::lonlocal; use LONCAPA::lonssl; use Fcntl qw(:flock); use Apache::lonnet; +use Mail::Send; +use Crypt::Eksblowfish::Bcrypt; +use Digest::SHA; +use Encode; my $DEBUG = 0; # Non zero to enable debug log entries. my $status=''; my $lastlog=''; -my $VERSION='$Revision: 1.422 $'; #' stupid emacs +my $VERSION='$Revision: 1.520 $'; #' stupid emacs my $remoteVERSION; my $currenthostid="default"; my $currentdomainid; @@ -67,6 +72,9 @@ my $currentdomainid; my $client; 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 $server; @@ -88,6 +96,8 @@ my %managers; # Ip -> manager names my %perlvar; # Will have the apache conf defined perl vars. +my $dist; + # # The hash below is used for command dispatching, and is therefore keyed on the request keyword. # Each element of the hash contains a reference to an array that contains: @@ -123,32 +133,13 @@ my @passwderrors = ("ok", "pwchange_failure - lcpasswd Error filename is invalid"); -# The array below are lcuseradd error strings.: - -my $lastadderror = 13; -my @adderrors = ("ok", - "User ID mismatch, lcuseradd must run as user www", - "lcuseradd Incorrect number of command line parameters must be 3", - "lcuseradd Incorrect number of stdinput lines, must be 3", - "lcuseradd Too many other simultaneous pwd changes in progress", - "lcuseradd User does not exist", - "lcuseradd Unable to make www member of users's group", - "lcuseradd Unable to su to root", - "lcuseradd Unable to set password", - "lcuseradd Username has invalid characters", - "lcuseradd Password has an invalid character", - "lcuseradd User already exists", - "lcuseradd Could not add user.", - "lcuseradd Password mismatch"); - - # This array are the errors from lcinstallfile: my @installerrors = ("ok", "Initial user id of client not that of www", "Usage error, not enough command line arguments", - "Source file name does not exist", - "Destination file name does not exist", + "Source filename does not exist", + "Destination filename does not exist", "Some file operation failed", "Invalid table filename." ); @@ -417,8 +408,11 @@ sub ReadManagerTable { my $tablename = $perlvar{'lonTabDir'}."/managers.tab"; if (!open (MANAGERS, $tablename)) { - logthis('No manager table. Nobody can manage!!'); - return; + my $hostname = &Apache::lonnet::hostname($perlvar{'lonHostID'}); + if (&Apache::lonnet::is_LC_dns($hostname)) { + &logthis('No manager table. Nobody can manage!!'); + } + return; } while(my $host = ) { chomp($host); @@ -443,7 +437,7 @@ sub ReadManagerTable { } } else { logthis(' existing host'." $host\n"); - $managers{&Apache::lonnet::get_host_ip($host)} = $host; # Use info from cluster tab if clumemeber + $managers{&Apache::lonnet::get_host_ip($host)} = $host; # Use info from cluster tab if cluster memeber } } } @@ -505,7 +499,8 @@ sub AdjustHostContents { my $me = $perlvar{'lonHostID'}; foreach my $line (split(/\n/,$contents)) { - if(!(($line eq "") || ($line =~ /^ *\#/) || ($line =~ /^ *$/))) { + if(!(($line eq "") || ($line =~ /^ *\#/) || ($line =~ /^ *$/) || + ($line =~ /^\s*\^/))) { chomp($line); my ($id,$domain,$role,$name,$ip,$maxcon,$idleto,$mincon)=split(/:/,$line); if ($id eq $me) { @@ -593,11 +588,8 @@ sub InstallFile { # # ConfigFileFromSelector: converts a configuration file selector # into a configuration file pathname. -# It's probably no longer necessary to preserve -# special handling of hosts or domain as those -# files have been superceded by dns_hosts, dns_domain. -# The default action is just to prepend the directory -# and append .tab +# Supports the following file selectors: +# hosts, domain, dns_hosts, dns_domain # # # Parameters: @@ -610,15 +602,11 @@ sub ConfigFileFromSelector { my $tablefile; my $tabledir = $perlvar{'lonTabDir'}.'/'; - if ($selector eq "hosts") { - $tablefile = $tabledir."hosts.tab"; - } elsif ($selector eq "domain") { - $tablefile = $tabledir."domain.tab"; - } else { + if (($selector eq "hosts") || ($selector eq "domain") || + ($selector eq "dns_hosts") || ($selector eq "dns_domain")) { $tablefile = $tabledir.$selector.'.tab'; } return $tablefile; - } # # PushFile: Called to do an administrative push of a file. @@ -636,7 +624,7 @@ sub ConfigFileFromSelector { # String to send to client ("ok" or "refused" if bad file). # sub PushFile { - my $request = shift; + my $request = shift; my ($command, $filename, $contents) = split(":", $request, 3); &Debug("PushFile"); @@ -644,6 +632,8 @@ sub PushFile { # supported: # hosts.tab ($filename eq host). # domain.tab ($filename eq domain). + # dns_hosts.tab ($filename eq dns_host). + # dns_domain.tab ($filename eq dns_domain). # Construct the destination filename or reject the request. # # lonManage is supposed to ensure this, however this session could be @@ -664,6 +654,44 @@ sub PushFile { if($filename eq "host") { $contents = AdjustHostContents($contents); + } elsif ($filename eq 'dns_host' || $filename eq 'dns_domain') { + if ($contents eq '') { + &logthis(' Pushfile: unable to install ' + .$tablefile." - no data received from push. "); + return 'error: push had no data'; + } + if (&Apache::lonnet::get_host_ip($clientname)) { + my $clienthost = &Apache::lonnet::hostname($clientname); + if ($managers{$clientip} eq $clientname) { + my $clientprotocol = $Apache::lonnet::protocol{$clientname}; + $clientprotocol = 'http' if ($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($request); + if ($response->is_error()) { + &logthis(' Pushfile: unable to install ' + .$tablefile." - error attempting to pull data. "); + return 'error: pull failed'; + } else { + my $result = $response->content; + chomp($result); + unless ($result eq $contents) { + &logthis(' Pushfile: unable to install ' + .$tablefile." - pushed data and pulled data differ. "); + my $pushleng = length($contents); + my $pullleng = length($result); + if ($pushleng != $pullleng) { + return "error: $pushleng vs $pullleng bytes"; + } else { + return "error: mismatch push and pull"; + } + } + } + } + } } # Install the new file: @@ -675,11 +703,31 @@ sub PushFile { return "error:$!"; } else { &logthis(' Installed new '.$tablefile - .""); - + ." - transaction by: $clientname ($clientip)"); + my $adminmail = $perlvar{'lonAdmEMail'}; + my $admindom = &Apache::lonnet::host_domain($perlvar{'lonHostID'}); + if ($admindom ne '') { + my %domconfig = + &Apache::lonnet::get_dom('configuration',['contacts'],$admindom); + if (ref($domconfig{'contacts'}) eq 'HASH') { + if ($domconfig{'contacts'}{'adminemail'} ne '') { + $adminmail = $domconfig{'contacts'}{'adminemail'}; + } + } + } + if ($adminmail =~ /^[^\@]+\@[^\@]+$/) { + my $msg = new Mail::Send; + $msg->to($adminmail); + $msg->subject('LON-CAPA DNS update on '.$perlvar{'lonHostID'}); + $msg->add('Content-type','text/plain; charset=UTF-8'); + if (my $fh = $msg->open()) { + print $fh 'Update to '.$tablefile.' from Cluster Manager '. + "$clientname ($clientip)\n"; + $fh->close; + } + } } - # Indicate success: return "ok"; @@ -975,6 +1023,9 @@ sub read_profile { &GDBM_READER()); if ($hashref) { my @queries=split(/\&/,$what); + if ($namespace eq 'roles') { + @queries = map { &unescape($_); } @queries; + } my $qresult=''; for (my $i=0;$i<=$#queries;$i++) { @@ -1068,7 +1119,7 @@ sub pong_handler { # Implicit Inputs: # $currenthostid - Global variable that carries the name of the host # known as. -# $clientname - Global variable that carries the name of the hsot we're connected to. +# $clientname - Global variable that carries the name of the host we're connected to. # Returns: # 1 - Ok to continue processing. # 0 - Program should exit. @@ -1107,7 +1158,7 @@ sub establish_key_handler { # Implicit Inputs: # $currenthostid - Global variable that carries the name of the host # known as. -# $clientname - Global variable that carries the name of the hsot we're connected to. +# $clientname - Global variable that carries the name of the host we're connected to. # Returns: # 1 - Ok to continue processing. # 0 - Program should exit. @@ -1116,6 +1167,8 @@ sub establish_key_handler { sub load_handler { my ($cmd, $tail, $replyfd) = @_; + + # Get the load average from /proc/loadavg and calculate it as a percentage of # the allowed load limit as set by the perl global variable lonLoadLim @@ -1144,7 +1197,7 @@ sub load_handler { # Implicit Inputs: # $currenthostid - Global variable that carries the name of the host # known as. -# $clientname - Global variable that carries the name of the hsot we're connected to. +# $clientname - Global variable that carries the name of the host we're connected to. # Returns: # 1 - Ok to continue processing. # 0 - Program should exit @@ -1613,6 +1666,80 @@ sub ls3_handler { } ®ister_handler("ls3", \&ls3_handler, 0, 1, 0); +sub read_lonnet_global { + my ($cmd,$tail,$client) = @_; + my $userinput = "$cmd:$tail"; + my $requested = &Apache::lonnet::thaw_unescape($tail); + my $result; + my %packagevars = ( + spareid => \%Apache::lonnet::spareid, + perlvar => \%Apache::lonnet::perlvar, + ); + my %limit_to = ( + perlvar => { + lonOtherAuthen => 1, + lonBalancer => 1, + lonVersion => 1, + lonSysEMail => 1, + lonHostID => 1, + lonRole => 1, + lonDefDomain => 1, + lonLoadLim => 1, + lonUserLoadLim => 1, + } + ); + if (ref($requested) eq 'HASH') { + foreach my $what (keys(%{$requested})) { + my $response; + my $items = {}; + if (exists($packagevars{$what})) { + if (ref($limit_to{$what}) eq 'HASH') { + foreach my $varname (keys(%{$packagevars{$what}})) { + if ($limit_to{$what}{$varname}) { + $items->{$varname} = $packagevars{$what}{$varname}; + } + } + } else { + $items = $packagevars{$what}; + } + if ($what eq 'perlvar') { + if (!exists($packagevars{$what}{'lonBalancer'})) { + if ($dist =~ /^(centos|rhes|fedora|scientific)/) { + my $othervarref=LONCAPA::Configuration::read_conf('httpd.conf'); + if (ref($othervarref) eq 'HASH') { + $items->{'lonBalancer'} = $othervarref->{'lonBalancer'}; + } + } + } + } + $response = &Apache::lonnet::freeze_escape($items); + } + $result .= &escape($what).'='.$response.'&'; + } + } + $result =~ s/\&$//; + &Reply($client,\$result,$userinput); + return 1; +} +®ister_handler("readlonnetglobal", \&read_lonnet_global, 0, 1, 0); + +sub server_devalidatecache_handler { + my ($cmd,$tail,$client) = @_; + my $userinput = "$cmd:$tail"; + my $items = &unescape($tail); + my @cached = split(/\&/,$items); + foreach my $key (@cached) { + if ($key =~ /:/) { + my ($name,$id) = map { &unescape($_); } split(/:/,$key); + &Apache::lonnet::devalidate_cache_new($name,$id); + } + } + my $result = 'ok'; + &Reply($client,\$result,$userinput); + return 1; +} +®ister_handler("devalidatecache", \&server_devalidatecache_handler, 0, 1, 0); + sub server_timezone_handler { my ($cmd,$tail,$client) = @_; my $userinput = "$cmd:$tail"; @@ -1653,6 +1780,23 @@ sub server_loncaparev_handler { } ®ister_handler("serverloncaparev", \&server_loncaparev_handler, 0, 1, 0); +sub server_homeID_handler { + my ($cmd,$tail,$client) = @_; + my $userinput = "$cmd:$tail"; + &Reply($client,\$perlvar{'lonHostID'},$userinput); + return 1; +} +®ister_handler("serverhomeID", \&server_homeID_handler, 0, 1, 0); + +sub server_distarch_handler { + my ($cmd,$tail,$client) = @_; + my $userinput = "$cmd:$tail"; + my $reply = &distro_and_arch(); + &Reply($client,\$reply,$userinput); + return 1; +} +®ister_handler("serverdistarch", \&server_distarch_handler, 0, 1, 0); + # Process a reinit request. Reinit requests that either # lonc or lond be reinitialized so that an updated # host.tab or domain.tab can be processed. @@ -1762,15 +1906,45 @@ sub authenticate_handler { # upass - User's password. # checkdefauth - Pass to validate_user() to try authentication # with default auth type(s) if no user account. + # clientcancheckhost - Passed by clients with functionality in lonauth.pm + # to check if session can be hosted. - my ($udom, $uname, $upass, $checkdefauth)=split(/:/,$tail); + my ($udom, $uname, $upass, $checkdefauth, $clientcancheckhost)=split(/:/,$tail); &Debug(" Authenticate domain = $udom, user = $uname, password = $upass, checkdefauth = $checkdefauth"); chomp($upass); $upass=&unescape($upass); my $pwdcorrect = &validate_user($udom,$uname,$upass,$checkdefauth); if($pwdcorrect) { - &Reply( $client, "authorized\n", $userinput); + my $canhost = 1; + unless ($clientcancheckhost) { + my $uprimary_id = &Apache::lonnet::domain($udom,'primary'); + my $uint_dom = &Apache::lonnet::internet_dom($uprimary_id); + my @intdoms; + my $internet_names = &Apache::lonnet::get_internet_names($clientname); + if (ref($internet_names) eq 'ARRAY') { + @intdoms = @{$internet_names}; + } + unless ($uint_dom ne '' && grep(/^\Q$uint_dom\E$/,@intdoms)) { + my ($remote,$hosted); + my $remotesession = &get_usersession_config($udom,'remotesession'); + if (ref($remotesession) eq 'HASH') { + $remote = $remotesession->{'remote'} + } + my $hostedsession = &get_usersession_config($clienthomedom,'hostedsession'); + if (ref($hostedsession) eq 'HASH') { + $hosted = $hostedsession->{'hosted'}; + } + $canhost = &Apache::lonnet::can_host_session($udom,$clientname, + $clientversion, + $remote,$hosted); + } + } + if ($canhost) { + &Reply( $client, "authorized\n", $userinput); + } else { + &Reply( $client, "not_allowed_to_host\n", $userinput); + } # # Bad credentials: Failed to authorize # @@ -1815,8 +1989,9 @@ sub change_password_handler { # npass - New password. # context - Context in which this was called # (preferences or reset_by_email). + # lonhost - HostID of server where request originated - my ($udom,$uname,$upass,$npass,$context)=split(/:/,$tail); + my ($udom,$uname,$upass,$npass,$context,$lonhost)=split(/:/,$tail); $upass=&unescape($upass); $npass=&unescape($npass); @@ -1825,9 +2000,13 @@ sub change_password_handler { # First require that the user can be authenticated with their # old password unless context was 'reset_by_email': - my $validated; + my ($validated,$failure); if ($context eq 'reset_by_email') { - $validated = 1; + if ($lonhost eq '') { + $failure = 'invalid_client'; + } else { + $validated = 1; + } } else { $validated = &validate_user($udom, $uname, $upass); } @@ -1837,12 +2016,14 @@ sub change_password_handler { my ($howpwd,$contentpwd)=split(/:/,$realpasswd); if ($howpwd eq 'internal') { &Debug("internal auth"); - my $salt=time; - $salt=substr($salt,6,2); - my $ncpass=crypt($npass,$salt); + my $ncpass = &hash_passwd($udom,$npass); if(&rewrite_password_file($udom, $uname, "internal:$ncpass")) { - &logthis("Result of password change for " - ."$uname: pwchange_success"); + my $msg="Result of password change for $uname: pwchange_success"; + if ($lonhost) { + $msg .= " - request originated from: $lonhost"; + } + &logthis($msg); + &update_passwd_history($uname,$udom,$howpwd,$context); &Reply($client, "ok\n", $userinput); } else { &logthis("Unable to open $uname passwd " @@ -1851,6 +2032,9 @@ sub change_password_handler { } } elsif ($howpwd eq 'unix' && $context ne 'reset_by_email') { 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); @@ -1863,13 +2047,52 @@ sub change_password_handler { } } else { - &Failure( $client, "non_authorized\n", $userinput); + if ($failure eq '') { + $failure = 'non_authorized'; + } + &Failure( $client, "$failure\n", $userinput); } return 1; } ®ister_handler("passwd", \&change_password_handler, 1, 1, 0); +sub hash_passwd { + my ($domain,$plainpass,@rest) = @_; + my ($salt,$cost); + if (@rest) { + $cost = $rest[0]; + # salt is first 22 characters, base-64 encoded by bcrypt + my $plainsalt = substr($rest[1],0,22); + $salt = Crypt::Eksblowfish::Bcrypt::de_base64($plainsalt); + } else { + 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 { + $cost = $defaultcost; + } + # Generate random 16-octet base64 salt + $salt = ""; + $salt .= pack("C", int rand(256)) for 1..16; + } + my $hash = &Crypt::Eksblowfish::Bcrypt::bcrypt_hash({ + key_nul => 1, + cost => $cost, + salt => $salt, + }, Digest::SHA::sha512(Encode::encode('UTF-8',$plainpass))); + + my $result = join("!", "", "bcrypt", sprintf("%02d",$cost), + &Crypt::Eksblowfish::Bcrypt::en_base64($salt). + &Crypt::Eksblowfish::Bcrypt::en_base64($hash)); + return $result; +} + # # Create a new user. User in this case means a lon-capa user. # The user must either already exist in some authentication realm @@ -1913,7 +2136,8 @@ sub add_user_handler { ."makeuser"; } unless ($fperror) { - my $result=&make_passwd_file($uname, $umode,$npass, $passfilename); + my $result=&make_passwd_file($uname,$udom,$umode,$npass, + $passfilename,'makeuser'); &Reply($client,\$result, $userinput); #BUGBUG - could be fail } else { &Failure($client, \$fperror, $userinput); @@ -1974,36 +2198,30 @@ sub change_authentication_handler { my $passfilename = &password_path($udom, $uname); if ($passfilename) { # Not allowed to create a new user!! # If just changing the unix passwd. need to arrange to run - # passwd since otherwise make_passwd_file will run - # lcuseradd which fails if an account already exists - # (to prevent an unscrupulous LONCAPA admin from stealing - # an existing account by overwriting it as a LonCAPA account). + # passwd since otherwise make_passwd_file will fail as + # creation of unix authenticated users is no longer supported + # except from the command line, when running make_domain_coordinator.pl if(($oldauth =~/^unix/) && ($umode eq "unix")) { 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'); &Reply($client, \$result); } else { &Failure($client, \$result); } } else { - my $result=&make_passwd_file($uname, $umode,$npass,$passfilename); + my $result=&make_passwd_file($uname,$udom,$umode,$npass, + $passfilename,'changeuserauth'); # # If the current auth mode is internal, and the old auth mode was # unix, or krb*, and the user is an author for this domain, # re-run manage_permissions for that role in order to be able # to take ownership of the construction space back to www:www # - - - if( (($oldauth =~ /^unix/) && ($umode eq "internal")) || - (($oldauth =~ /^internal/) && ($umode eq "unix")) ) { - if(&is_author($udom, $uname)) { - &Debug(" Need to manage author permissions..."); - &manage_permissions("/$udom/_au", $udom, $uname, "$umode:"); - } - } + + &Reply($client, \$result, $userinput); } @@ -2016,6 +2234,17 @@ sub change_authentication_handler { } ®ister_handler("changeuserauth", \&change_authentication_handler, 1,1, 0); +sub update_passwd_history { + my ($uname,$udom,$umode,$context) = @_; + my $proname=&propath($udom,$uname); + my $now = time; + if (open(my $fh,">>$proname/passwd.log")) { + print $fh "$now:$umode:$context\n"; + close($fh); + } + return; +} + # # Determines if this is the home server for a user. The home server # for a user will have his/her lon-capa passwd file. Therefore all we need @@ -2050,16 +2279,10 @@ sub is_home_handler { ®ister_handler("home", \&is_home_handler, 0,1,0); # -# Process an update request for a resource?? I think what's going on here is -# that a resource has been modified that we hold a subscription to. +# Process an update request for a resource. +# A resource has been modified that we hold a subscription to. # If the resource is not local, then we must update, or at least invalidate our # cached copy of the resource. -# FUTURE WORK: -# I need to look at this logic carefully. My druthers would be to follow -# typical caching logic, and simple invalidate the cache, drop any subscription -# an let the next fetch start the ball rolling again... however that may -# actually be more difficult than it looks given the complex web of -# proxy servers. # Parameters: # $cmd - The command that got us here. # $tail - Tail of the command (remaining parameters). @@ -2083,20 +2306,30 @@ sub update_resource_handler { my $ownership=ishome($fname); if ($ownership eq 'not_owner') { if (-e $fname) { + # Delete preview file, if exists + unlink("$fname.tmp"); + # Get usage stats my ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size, $atime,$mtime,$ctime,$blksize,$blocks)=stat($fname); my $now=time; my $since=$now-$atime; + # If the file has not been used within lonExpire seconds, + # unsubscribe from it and delete local copy if ($since>$perlvar{'lonExpire'}) { my $reply=&Apache::lonnet::reply("unsub:$fname","$clientname"); &devalidate_meta_cache($fname); unlink("$fname"); unlink("$fname.meta"); } else { + # Yes, this is in active use. Get a fresh copy. Since it might be in + # very active use and huge (like a movie), copy it to "in.transfer" filename first. my $transname="$fname.in.transfer"; my $remoteurl=&Apache::lonnet::reply("sub:$fname","$clientname"); my $response; - alarm(120); +# FIXME: cannot replicate files that take more than two minutes to transfer? +# alarm(120); +# FIXME: this should use the LWP mechanism, not internal alarms. + alarm(1200); { my $ua=new LWP::UserAgent; my $request=new HTTP::Request('GET',"$remoteurl"); @@ -2104,11 +2337,13 @@ sub update_resource_handler { } alarm(0); if ($response->is_error()) { +# FIXME: we should probably clean up here instead of just whine unlink($transname); my $message=$response->status_line; &logthis("LWP GET: $message for $fname ($remoteurl)"); } else { if ($remoteurl!~/\.meta$/) { +# FIXME: isn't there an internal LWP mechanism for this? alarm(120); { my $ua=new LWP::UserAgent; @@ -2120,6 +2355,7 @@ sub update_resource_handler { } alarm(0); } + # we successfully transfered, copy file over to real name rename($transname,$fname); &devalidate_meta_cache($fname); } @@ -2181,7 +2417,10 @@ sub fetch_user_file_handler { my $destname=$udir.'/'.$ufile; my $transname=$udir.'/'.$ufile.'.in.transit'; - my $remoteurl='http://'.$clientip.'/userfiles/'.$fname; + my $clientprotocol=$Apache::lonnet::protocol{$clientname}; + $clientprotocol = 'http' if ($clientprotocol ne 'https'); + my $clienthost = &Apache::lonnet::hostname($clientname); + my $remoteurl=$clientprotocol.'://'.$clienthost.'/userfiles/'.$fname; my $response; Debug("Remote URL : $remoteurl Transfername $transname Destname: $destname"); alarm(120); @@ -2203,6 +2442,24 @@ sub fetch_user_file_handler { unlink($transname); &Failure($client, "failed\n", $userinput); } else { + if ($fname =~ /^default.+\.(page|sequence)$/) { + my ($major,$minor) = split(/\./,$clientversion); + if (($major < 2) || ($major == 2 && $minor < 11)) { + my $now = time; + &Apache::lonnet::do_cache_new('crschange',$udom.'_'.$uname,$now,600); + my $key = &escape('internal.contentchange'); + my $what = "$key=$now"; + my $hashref = &tie_user_hash($udom,$uname,'environment', + &GDBM_WRCREAT(),"P",$what); + if ($hashref) { + $hashref->{$key}=$now; + if (!&untie_user_hash($hashref)) { + &logthis("error: ".($!+0)." untie (GDBM) failed ". + "when updating internal.contentchange"); + } + } + } + } &Reply($client, "ok\n", $userinput); } } @@ -2239,11 +2496,20 @@ 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 approprate: + # 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 + # which may have been created by the editor. + if ($ufile =~ m{^((docs|supplemental)/(?:\d+|default)/\d+(?:|/.+)/)[^/]+\.x?html?$}i) { + my $path = $1; + if (-e $file.'.bak') { + unlink($file.'.bak'); + } + } } elsif(-d $file) { rmdir($file); } @@ -2357,7 +2623,6 @@ sub user_has_session_handler { my ($udom, $uname) = map { &unescape($_) } (split(/:/, $tail)); - &logthis("Looking for $udom $uname"); opendir(DIR,$perlvar{'lonIDsDir'}); my $filename; while ($filename=readdir(DIR)) { @@ -2607,8 +2872,12 @@ sub newput_user_profile_entry { foreach my $pair (@pairs) { my ($key,$value)=split(/=/,$pair); if (exists($hashref->{$key})) { - &Failure($client, "key_exists: ".$key."\n",$userinput); - return 1; + if (!&untie_user_hash($hashref)) { + &logthis("error: ".($!+0)." untie (GDBM) failed ". + "while attempting newput - early out as key exists"); + } + &Failure($client, "key_exists: ".$key."\n",$userinput); + return 1; } } @@ -3010,6 +3279,17 @@ 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); @@ -3076,6 +3356,9 @@ sub dump_profile_database { # that is matched against # database keywords to do # selective dumps. +# range - optional range of entries +# e.g., 10-20 would return the +# 10th to 19th items, etc. # $client - Channel open on the client. # Returns: # 1 - Continue processing. @@ -3085,56 +3368,12 @@ sub dump_profile_database { sub dump_with_regexp { my ($cmd, $tail, $client) = @_; - - my $userinput = "$cmd:$tail"; - - my ($udom,$uname,$namespace,$regexp,$range)=split(/:/,$tail); - if (defined($regexp)) { - $regexp=&unescape($regexp); - } else { - $regexp='.'; - } - my ($start,$end); - if (defined($range)) { - if ($range =~/^(\d+)\-(\d+)$/) { - ($start,$end) = ($1,$2); - } elsif ($range =~/^(\d+)$/) { - ($start,$end) = (0,$1); - } else { - undef($range); - } - } - my $hashref = &tie_user_hash($udom, $uname, $namespace, - &GDBM_READER()); - if ($hashref) { - my $qresult=''; - my $count=0; - while (my ($key,$value) = each(%$hashref)) { - if ($regexp eq '.') { - $count++; - if (defined($range) && $count >= $end) { last; } - if (defined($range) && $count < $start) { next; } - $qresult.=$key.'='.$value.'&'; - } else { - my $unescapeKey = &unescape($key); - if (eval('$unescapeKey=~/$regexp/')) { - $count++; - if (defined($range) && $count >= $end) { last; } - if (defined($range) && $count < $start) { next; } - $qresult.="$key=$value&"; - } - } - } - if (&untie_user_hash($hashref)) { - chop($qresult); - &Reply($client, \$qresult, $userinput); - } else { - &Failure( $client, "error: ".($!+0)." untie(GDBM) Failed ". - "while attempting dump\n", $userinput); - } + my $res = LONCAPA::Lond::dump_with_regexp($tail, $clientversion); + + if ($res =~ /^error:/) { + Failure($client, \$res, "$cmd:$tail"); } else { - &Failure($client, "error: ".($!+0)." tie(GDBM) Failed ". - "while attempting dump\n", $userinput); + Reply($client, \$res, "$cmd:$tail"); } return 1; @@ -3151,6 +3390,9 @@ sub dump_with_regexp { # namespace - Name of the database being modified # rid - Resource keyword to modify. # what - new value associated with rid. +# laststore - (optional) version=timestamp +# for most recent transaction for rid +# in namespace, when cstore was called # # $client - Socket open on the client. # @@ -3159,23 +3401,45 @@ sub dump_with_regexp { # 1 (keep on processing). # Side-Effects: # Writes to the client +# Successful storage will cause either 'ok', or, if $laststore was included +# in the tail of the request, and the version number for the last transaction +# is larger than the version in $laststore, delay:$numtrans , where $numtrans +# is the number of store evevnts recorded for rid in namespace since +# lonnet::store() was called by the client. +# sub store_handler { my ($cmd, $tail, $client) = @_; my $userinput = "$cmd:$tail"; - - my ($udom,$uname,$namespace,$rid,$what) =split(/:/,$tail); + chomp($tail); + my ($udom,$uname,$namespace,$rid,$what,$laststore) =split(/:/,$tail); if ($namespace ne 'roles') { - chomp($what); my @pairs=split(/\&/,$what); my $hashref = &tie_user_hash($udom, $uname, $namespace, &GDBM_WRCREAT(), "S", "$rid:$what"); if ($hashref) { my $now = time; - my @previouskeys=split(/&/,$hashref->{"keys:$rid"}); - my $key; + my $numtrans; + if ($laststore) { + my ($previousversion,$previoustime) = split(/\=/,$laststore); + my ($lastversion,$lasttime) = (0,0); + $lastversion = $hashref->{"version:$rid"}; + if ($lastversion) { + $lasttime = $hashref->{"$lastversion:$rid:timestamp"}; + } + if (($previousversion) && ($previousversion !~ /\D/)) { + if (($lastversion > $previousversion) && ($lasttime >= $previoustime)) { + $numtrans = $lastversion - $previousversion; + } + } elsif ($lastversion) { + $numtrans = $lastversion; + } + if ($numtrans) { + $numtrans =~ s/D//g; + } + } $hashref->{"version:$rid"}++; my $version=$hashref->{"version:$rid"}; my $allkeys=''; @@ -3188,7 +3452,11 @@ sub store_handler { $allkeys.='timestamp'; $hashref->{"$version:keys:$rid"}=$allkeys; if (&untie_user_hash($hashref)) { - &Reply($client, "ok\n", $userinput); + my $msg = 'ok'; + if ($numtrans) { + $msg = 'delay:'.$numtrans; + } + &Reply($client, "$msg\n", $userinput); } else { &Failure($client, "error: ".($!+0)." untie(GDBM) Failed ". "while attempting store\n", $userinput); @@ -3693,12 +3961,20 @@ sub put_course_id_hash_handler { # caller - if set to 'coursecatalog', courses set to be hidden # from course catalog will be excluded from results (unless # overridden by "showhidden". -# cloner - escaped username:domain of course cloner (if picking course to# +# cloner - escaped username:domain of course cloner (if picking course to # clone). # cc_clone_list - escaped comma separated list of courses for which # course cloner has active CC role (and so can clone # automatically). -# cloneonly - filter by courses for which cloner has rights to clone. +# cloneonly - filter by courses for which cloner has rights to clone. +# createdbefore - include courses for which creation date preceeded this date. +# createdafter - include courses for which creation date followed this date. +# creationcontext - include courses created in specified context +# +# 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 +# been set. # # $client - The socket open on the client. # Returns: @@ -3707,11 +3983,23 @@ 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, $typefilter,$regexp_ok,$rtn_as_hash,$selfenrollonly,$catfilter,$showhidden, - $caller,$cloner,$cc_clone_list,$cloneonly) =split(/:/,$tail); + $caller,$cloner,$cc_clone_list,$cloneonly,$createdbefore,$createdafter, + $creationcontext,$domcloner,$hasuniquecode) =split(/:/,$tail); my $now = time; my ($cloneruname,$clonerudom,%cc_clone); if (defined($description)) { @@ -3769,9 +4057,26 @@ sub dump_course_id_handler { $cc_clone{$clonedom.'_'.$clonenum} = 1; } } - + if ($createdbefore ne '') { + $createdbefore = &unescape($createdbefore); + } else { + $createdbefore = 0; + } + if ($createdafter ne '') { + $createdafter = &unescape($createdafter); + } else { + $createdafter = 0; + } + if ($creationcontext ne '') { + $creationcontext = &unescape($creationcontext); + } else { + $creationcontext = '.'; + } + unless ($hasuniquecode) { + $hasuniquecode = '.'; + } my $unpack = 1; - if ($description eq '.' && $instcodefilter eq '.' && $coursefilter eq '.' && + if ($description eq '.' && $instcodefilter eq '.' && $ownerfilter eq '.' && $typefilter eq '.') { $unpack = 0; } @@ -3781,7 +4086,8 @@ sub dump_course_id_handler { if ($hashref) { while (my ($key,$value) = each(%$hashref)) { my ($unesc_key,$lasttime_key,$lasttime,$is_hash,%val, - %unesc_val,$selfenroll_end,$selfenroll_types); + %unesc_val,$selfenroll_end,$selfenroll_types,$created, + $context); $unesc_key = &unescape($key); if ($unesc_key =~ /^lasttime:/) { next; @@ -3795,8 +4101,13 @@ sub dump_course_id_handler { my ($canclone,$valchange); my $items = &Apache::lonnet::thaw_unescape($value); if (ref($items) eq 'HASH') { + if ($hashref->{$lasttime_key} eq '') { + next if ($since > 1); + } $is_hash = 1; - if (defined($clonerudom)) { + if ($domcloner) { + $canclone = 1; + } elsif (defined($clonerudom)) { if ($items->{'cloners'}) { my @cloneable = split(',',$items->{'cloners'}); if (@cloneable) { @@ -3824,6 +4135,19 @@ sub dump_course_id_handler { $items->{'cloners'} = $cloneruname.':'.$clonerudom; $valchange = 1; } + unless ($canclone) { + if ($items->{'owner'} =~ /:/) { + if ($items->{'owner'} eq $cloner) { + $canclone = 1; + } + } elsif ($cloner eq $items->{'owner'}.':'.$udom) { + $canclone = 1; + } + if ($canclone) { + $items->{'cloners'} = $cloneruname.':'.$clonerudom; + $valchange = 1; + } + } } } if ($unpack || !$rtn_as_hash) { @@ -3832,15 +4156,31 @@ sub dump_course_id_handler { $unesc_val{'owner'} = $items->{'owner'}; $unesc_val{'type'} = $items->{'type'}; $unesc_val{'cloners'} = $items->{'cloners'}; + $unesc_val{'created'} = $items->{'created'}; + $unesc_val{'context'} = $items->{'context'}; } $selfenroll_types = $items->{'selfenroll_types'}; $selfenroll_end = $items->{'selfenroll_end_date'}; + $created = $items->{'created'}; + $context = $items->{'context'}; + if ($hasuniquecode ne '.') { + next unless ($items->{'uniquecode'}); + } if ($selfenrollonly) { next if (!$selfenroll_types); if (($selfenroll_end > 0) && ($selfenroll_end <= $now)) { next; } } + if ($creationcontext ne '.') { + next if (($context ne '') && ($context ne $creationcontext)); + } + if ($createdbefore > 0) { + next if (($created eq '') || ($created > $createdbefore)); + } + if ($createdafter > 0) { + next if (($created eq '') || ($created <= $createdafter)); + } if ($catfilter ne '') { next if ($items->{'categories'} eq ''); my @categories = split('&',$items->{'categories'}); @@ -3863,6 +4203,8 @@ sub dump_course_id_handler { } else { next if ($catfilter ne ''); next if ($selfenrollonly); + next if ($createdbefore || $createdafter); + next if ($creationcontext ne '.'); if ((defined($clonerudom)) && (defined($cloneruname))) { if ($cc_clone{$unesc_key}) { $canclone = 1; @@ -4009,6 +4351,53 @@ sub dump_course_id_handler { } ®ister_handler("courseiddump", \&dump_course_id_handler, 0, 1, 0); +sub course_lastaccess_handler { + my ($cmd, $tail, $client) = @_; + my $userinput = "$cmd:$tail"; + my ($cdom,$cnum) = split(':',$tail); + my (%lastaccess,$qresult); + my $hashref = &tie_domain_hash($cdom, "nohist_courseids", &GDBM_WRCREAT()); + if ($hashref) { + while (my ($key,$value) = each(%$hashref)) { + my ($unesc_key,$lasttime); + $unesc_key = &unescape($key); + if ($cnum) { + next unless ($unesc_key =~ /\Q$cdom\E_\Q$cnum\E$/); + } + if ($unesc_key =~ /^lasttime:($LONCAPA::match_domain\_$LONCAPA::match_courseid)/) { + $lastaccess{$1} = $value; + } else { + my $items = &Apache::lonnet::thaw_unescape($value); + if (ref($items) eq 'HASH') { + unless ($lastaccess{$unesc_key}) { + $lastaccess{$unesc_key} = ''; + } + } else { + my @courseitems = split(':',$value); + $lastaccess{$unesc_key} = pop(@courseitems); + } + } + } + foreach my $cid (sort(keys(%lastaccess))) { + $qresult.=&escape($cid).'='.$lastaccess{$cid}.'&'; + } + if (&untie_domain_hash($hashref)) { + if ($qresult) { + chop($qresult); + } + &Reply($client, \$qresult, $userinput); + } else { + &Failure($client, "error: ".($!+0)." untie(GDBM) Failed ". + "while attempting lastacourseaccess\n", $userinput); + } + } else { + &Failure($client, "error: ".($!+0)." tie(GDBM) Failed ". + "while attempting lastcourseaccess\n", $userinput); + } + return 1; +} +®ister_handler("courselastaccess",\&course_lastaccess_handler, 0, 1, 0); + # # Puts an unencrypted entry in a namespace db file at the domain level # @@ -4052,59 +4441,121 @@ sub put_domain_handler { } ®ister_handler("putdom", \&put_domain_handler, 0, 1, 0); -# -# Puts a piece of new data in a namespace db file at the domain level -# returns error if key already exists +# 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 -# 0 - Requested to exit, caller should shut down. # 1 - Continue processing. +# 0 - Requested to exit, caller should shut down. # Side effects: # reply is written to $client. # -sub newput_domain_handler { + + +sub update_clickers { my ($cmd, $tail, $client) = @_; my $userinput = "$cmd:$tail"; - - my ($udom,$namespace,$what) =split(/:/,$tail,3); + my ($udom,$action,$what) =split(/:/,$tail,3); chomp($what); - my $hashref = &tie_domain_hash($udom, "$namespace", &GDBM_WRCREAT(), - "N", $what); - if(!$hashref) { + + my $hashref = &tie_domain_hash($udom, "clickers", &GDBM_WRCREAT(), + "U","$action:$what"); + + if (!$hashref) { &Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ". - "while attempting newputdom\n", $userinput); + "while attempting updateclickers\n", $userinput); return 1; } my @pairs=split(/\&/,$what); foreach my $pair (@pairs) { my ($key,$value)=split(/=/,$pair); - if (exists($hashref->{$key})) { - &Failure($client, "key_exists: ".$key."\n",$userinput); - return 1; + if ($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}); + } + } } } - - foreach my $pair (@pairs) { - my ($key,$value)=split(/=/,$pair); - $hashref->{$key}=$value; - } - - if (&untie_domain_hash($hashref)) { + if (&untie_user_hash($hashref)) { &Reply( $client, "ok\n", $userinput); } else { &Failure($client, "error: ".($!+0)." untie(GDBM) failed ". - "while attempting newputdom\n", + "while attempting put\n", $userinput); } return 1; } -®ister_handler("newputdom", \&newput_domain_handler, 0, 1, 0); +®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", $userinput); + } + return 1; +} +®ister_handler("deldom", \&del_domain_handler, 0, 1, 0); + # Unencrypted get from the namespace database file at the domain level. # This function retrieves a keyed item from a specific named database in the @@ -4128,6 +4579,7 @@ sub newput_domain_handler { sub get_domain_handler { my ($cmd, $tail, $client) = @_; + my $userinput = "$client:$tail"; my ($udom,$namespace,$what)=split(/:/,$tail,3); @@ -4156,50 +4608,6 @@ sub get_domain_handler { ®ister_handler("getdom", \&get_domain_handler, 0, 1, 0); # -# Deletes a key in a user profile database. -# -# Parameters: -# $cmd - Command keyword (deldom). -# $tail - Command tail. IN this case a colon -# separated list containing: -# the domain to which the database file belongs; -# the namespace (name of the database file); -# & separated list of keys to delete. -# $client - File open on client socket. -# Returns: -# 1 - Continue processing -# 0 - Exit server. -# -# -sub delete_domain_entry { - my ($cmd, $tail, $client) = @_; - - my $userinput = "cmd:$tail"; - - my ($udom,$namespace,$what) = split(/:/,$tail); - 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", $userinput); - } - return 1; -} -®ister_handler("deldom", \&delete_domain_entry, 0, 1, 0); - -# # Puts an id to a domains id database. # # Parameters: @@ -4296,59 +4704,48 @@ sub get_id_handler { } ®ister_handler("idget", \&get_id_handler, 0, 1, 0); -sub dump_dom_with_regexp { - my ($cmd, $tail, $client) = @_; +# Deletes one or more ids in a domain's id database. +# +# Parameters: +# $cmd - Command keyword (iddel). +# $tail - Command tail. In this case a colon +# separated list containing: +# The domain for which we are deleting the id(s). +# &-separated list of id(s) to delete. +# $client - File open on client socket. +# Returns: +# 1 - Continue processing +# 0 - Exit server. +# +# + +sub del_id_handler { + my ($cmd,$tail,$client) = @_; + my $userinput = "$cmd:$tail"; - my ($udom,$namespace,$regexp,$range)=split(/:/,$tail); - if (defined($regexp)) { - $regexp=&unescape($regexp); - } else { - $regexp='.'; - } - my ($start,$end); - if (defined($range)) { - if ($range =~/^(\d+)\-(\d+)$/) { - ($start,$end) = ($1,$2); - } elsif ($range =~/^(\d+)$/) { - ($start,$end) = (0,$1); - } else { - undef($range); - } - } - my $hashref = &tie_domain_hash($udom, $namespace, &GDBM_READER()); + + my ($udom,$what)=split(/:/,$tail); + chomp($what); + my $hashref = &tie_domain_hash($udom, "ids", &GDBM_WRCREAT(), + "D", $what); if ($hashref) { - my $qresult=''; - my $count=0; - while (my ($key,$value) = each(%$hashref)) { - if ($regexp eq '.') { - $count++; - if (defined($range) && $count >= $end) { last; } - if (defined($range) && $count < $start) { next; } - $qresult.=$key.'='.$value.'&'; - } else { - my $unescapeKey = &unescape($key); - if (eval('$unescapeKey=~/$regexp/')) { - $count++; - if (defined($range) && $count >= $end) { last; } - if (defined($range) && $count < $start) { next; } - $qresult.="$key=$value&"; - } - } + my @keys=split(/\&/,$what); + foreach my $key (@keys) { + delete($hashref->{$key}); } if (&untie_user_hash($hashref)) { - chop($qresult); - &Reply($client, \$qresult, $userinput); + &Reply($client, "ok\n", $userinput); } else { - &Failure( $client, "error: ".($!+0)." untie(GDBM) Failed ". - "while attempting dump\n", $userinput); + &Failure($client, "error: ".($!+0)." untie(GDBM) Failed ". + "while attempting iddel\n", $userinput); } } else { - &Failure($client, "error: ".($!+0)." tie(GDBM) Failed ". - "while attempting dump\n", $userinput); + &Failure( $client, "error: ".($!+0)." tie(GDBM) Failed ". + "while attempting iddel\n", $userinput); } return 1; } -®ister_handler("dumpdom", \&dump_dom_with_regexp, 0, 1, 0); +®ister_handler("iddel", \&del_id_handler, 0, 1, 0); # # Puts broadcast e-mail sent by Domain Coordinator in nohist_dcmail database @@ -4370,7 +4767,8 @@ sub dump_dom_with_regexp { sub put_dcmail_handler { my ($cmd,$tail,$client) = @_; my $userinput = "$cmd:$tail"; - + + my ($udom,$what)=split(/:/,$tail); chomp($what); my $hashref = &tie_domain_hash($udom, "nohist_dcmail", &GDBM_WRCREAT()); @@ -4634,7 +5032,7 @@ sub tmp_put_handler { } my ($id,$store); $tmpsnum++; - if ($context eq 'resetpw') { + if (($context eq 'resetpw') || ($context eq 'createaccount')) { $id = &md5_hex(&md5_hex(time.{}.rand().$$)); } else { $id = $$.'_'.$clientip.'_'.$tmpsnum; @@ -4870,17 +5268,23 @@ sub enrollment_enabled_handler { ®ister_handler("autorun", \&enrollment_enabled_handler, 0, 1, 0); # -# Validate an institutional code use for a LON-CAPA course. +# Validate an institutional code used for a LON-CAPA 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 words that will be split # into: -# $inst_course_id - The institutional cod3 from the -# institutions point of view. -# $cdom - The domain from the institutions -# point of view. +# $dom - The domain for which the check of +# institutional course code will occur. +# +# $instcode - The institutional code for the course +# being requested, or validated for rights +# to request. +# +# $owner - The course requestor (who will be the +# course owner, in the form username:domain +# # $client - Socket open on the client. # Returns: # 1 - Indicating processing should continue. @@ -4888,14 +5292,14 @@ sub enrollment_enabled_handler { sub validate_instcode_handler { my ($cmd, $tail, $client) = @_; my $userinput = "$cmd:$tail"; - my ($dom,$instcode,$owner,$inststatus,$instseclist) = split(/:/, $tail); + my ($dom,$instcode,$owner) = split(/:/, $tail); $instcode = &unescape($instcode); $owner = &unescape($owner); - $inststatus = &unescape($inststatus); - $instseclist = &unescape($instseclist); - my $outcome=&localenroll::validate_instcode($dom,$instcode,$owner, - $inststatus,$instseclist); - &Reply($client, \$outcome, $userinput); + my ($outcome,$description,$credits) = + &localenroll::validate_instcode($dom,$instcode,$owner); + my $result = &escape($outcome).'&'.&escape($description).'&'. + &escape($credits); + &Reply($client, \$result, $userinput); return 1; } @@ -4947,10 +5351,11 @@ sub get_sections_handler { sub validate_course_owner_handler { my ($cmd, $tail, $client) = @_; my $userinput = "$cmd:$tail"; - my ($inst_course_id, $owner, $cdom) = split(/:/, $tail); - + my ($inst_course_id, $owner, $cdom, $coowners) = split(/:/, $tail); + $owner = &unescape($owner); - my $outcome = &localenroll::new_course($inst_course_id,$owner,$cdom); + $coowners = &unescape($coowners); + my $outcome = &localenroll::new_course($inst_course_id,$owner,$cdom,$coowners); &Reply($client, \$outcome, $userinput); @@ -5104,6 +5509,109 @@ sub retrieve_auto_file_handler { } ®ister_handler("autoretrieve", \&retrieve_auto_file_handler, 0,1,0); +sub crsreq_checks_handler { + my ($cmd, $tail, $client) = @_; + my $userinput = "$cmd:$tail"; + my $dom = $tail; + my $result; + my @reqtypes = ('official','unofficial','community','textbook','placement'); + eval { + local($SIG{__DIE__})='DEFAULT'; + my %validations; + my $response = &localenroll::crsreq_checks($dom,\@reqtypes, + \%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",$userinput); + } + return 1; +} +®ister_handler("autocrsreqchecks", \&crsreq_checks_handler, 0, 1, 0); + +sub validate_crsreq_handler { + my ($cmd, $tail, $client) = @_; + my $userinput = "$cmd:$tail"; + my ($dom,$owner,$crstype,$inststatuslist,$instcode,$instseclist,$customdata) = split(/:/, $tail); + $instcode = &unescape($instcode); + $owner = &unescape($owner); + $crstype = &unescape($crstype); + $inststatuslist = &unescape($inststatuslist); + $instcode = &unescape($instcode); + $instseclist = &unescape($instseclist); + my $custominfo = &Apache::lonnet::thaw_unescape($customdata); + my $outcome; + eval { + local($SIG{__DIE__})='DEFAULT'; + $outcome = &localenroll::validate_crsreq($dom,$owner,$crstype, + $inststatuslist,$instcode, + $instseclist,$custominfo); + }; + if (!$@) { + &Reply($client, \$outcome, $userinput); + } else { + &Failure($client,"unknown_cmd\n",$userinput); + } + return 1; +} +®ister_handler("autocrsreqvalidation", \&validate_crsreq_handler, 0, 1, 0); + +sub crsreq_update_handler { + my ($cmd, $tail, $client) = @_; + my $userinput = "$cmd:$tail"; + my ($cdom,$cnum,$crstype,$action,$ownername,$ownerdomain,$fullname,$title,$code, + $accessstart,$accessend,$infohashref) = + split(/:/, $tail); + $crstype = &unescape($crstype); + $action = &unescape($action); + $ownername = &unescape($ownername); + $ownerdomain = &unescape($ownerdomain); + $fullname = &unescape($fullname); + $title = &unescape($title); + $code = &unescape($code); + $accessstart = &unescape($accessstart); + $accessend = &unescape($accessend); + my $incoming = &Apache::lonnet::thaw_unescape($infohashref); + my ($result,$outcome); + eval { + local($SIG{__DIE__})='DEFAULT'; + my %rtnhash; + $outcome = &localenroll::crsreq_updates($cdom,$cnum,$crstype,$action, + $ownername,$ownerdomain,$fullname, + $title,$code,$accessstart,$accessend, + $incoming,\%rtnhash); + if ($outcome eq 'ok') { + my @posskeys = qw(createdweb createdmsg createdcustomized createdactions queuedweb queuedmsg formitems reviewweb validationjs onload javascript); + foreach my $key (keys(%rtnhash)) { + if (grep(/^\Q$key\E/,@posskeys)) { + $result .= &escape($key).'='.&Apache::lonnet::freeze_escape($rtnhash{$key}).'&'; + } + } + $result =~ s/\&$//; + } + }; + if (!$@) { + if ($outcome eq 'ok') { + &Reply($client, \$result, $userinput); + } else { + &Reply($client, "format_error\n", $userinput); + } + } else { + &Failure($client,"unknown_cmd\n",$userinput); + } + return 1; +} +®ister_handler("autocrsrequpdate", \&crsreq_update_handler, 0, 1, 0); + # # Read and retrieve institutional code format (for support form). # Formal Parameters: @@ -5811,18 +6319,6 @@ sub lcpasswdstrerror { } } -# -# Convert an error return code from lcuseradd to a string value: -# -sub lcuseraddstrerror { - my $ErrorCode = shift; - if(($ErrorCode < 0) || ($ErrorCode > $lastadderror)) { - return "lcuseradd - Unrecognized error code: ".$ErrorCode; - } else { - return $adderrors[$ErrorCode]; - } -} - # grabs exception and records it to log before exiting sub catchexception { my ($error)=@_; @@ -5883,7 +6379,7 @@ if (-e $pidfile) { $server = IO::Socket::INET->new(LocalPort => $perlvar{'londPort'}, Type => SOCK_STREAM, Proto => 'tcp', - Reuse => 1, + ReuseAddr => 1, Listen => 10 ) or die "making socket: $@\n"; @@ -5946,9 +6442,13 @@ sub HUPSMAN { # sig # a setuid perl script that can be root for us to do this job. # sub ReloadApache { - my $execdir = $perlvar{'lonDaemons'}; - my $script = $execdir."/apachereload"; - system($script); +# --------------------------- Handle case of another apachereload process (locking) + if (&LONCAPA::try_to_lock('/tmp/lock_apachereload')) { + my $execdir = $perlvar{'lonDaemons'}; + my $script = $execdir."/apachereload"; + system($script); + unlink('/tmp/lock_apachereload'); # Remove the lock file. + } } # @@ -6059,6 +6559,9 @@ 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 ($$reply must not contain any \n in this case). +#If $reply is a string the caller has to ensure this. sub Reply { my ($fd, $reply, $request) = @_; if (ref($reply)) { @@ -6121,7 +6624,7 @@ sub logstatus { sub initnewstatus { my $docdir=$perlvar{'lonDocRoot'}; my $fh=IO::File->new(">$docdir/lon-status/londstatus.txt"); - my $now=time; + my $now=time(); my $local=localtime($now); print $fh "LOND status $local - parent $$\n\n"; opendir(DIR,"$docdir/lon-status/londchld"); @@ -6210,8 +6713,16 @@ $SIG{USR2} = \&UpdateHosts; # Read the host hashes: &Apache::lonnet::load_hosts_tab(); +my %iphost = &Apache::lonnet::get_iphost(1); + +$dist=`$perlvar{'lonDaemons'}/distprobe`; -my $dist=`$perlvar{'lonDaemons'}/distprobe`; +my $arch = `uname -i`; +chomp($arch); +if ($arch eq 'unknown') { + $arch = `uname -m`; + chomp($arch); +} # -------------------------------------------------------------- # Accept connections. When a connection comes in, it is validated @@ -6270,6 +6781,7 @@ sub make_new_child { or die "Can't unblock SIGINT for fork: $!\n"; $children{$pid} = $clientip; &status('Started child '.$pid); + close($client); return; } else { # Child can *not* return from this subroutine. @@ -6278,6 +6790,13 @@ sub make_new_child { #don't get intercepted $SIG{USR1}= \&logstatus; $SIG{ALRM}= \&timeout; + # + # Block sigpipe as it gets thrownon socket disconnect and we want to + # deal with that as a read faiure instead. + # + my $blockset = POSIX::SigSet->new(SIGPIPE); + sigprocmask(SIG_BLOCK, $blockset); + $lastlog='Forked '; $status='Forked'; @@ -6288,8 +6807,26 @@ sub make_new_child { # my $tmpsnum=0; # Now global #---------------------------------------------------- kerberos 5 initialization &Authen::Krb5::init_context(); - unless (($dist eq 'fedora5') || ($dist eq 'fedora4') || - ($dist eq 'fedora6') || ($dist eq 'suse9.3')) { + + my $no_ets; + if ($dist =~ /^(?:centos|rhes|scientific)(\d+)$/) { + if ($1 >= 7) { + $no_ets = 1; + } + } elsif ($dist =~ /^suse(\d+\.\d+)$/) { + if (($1 eq '9.3') || ($1 >= 12.2)) { + $no_ets = 1; + } + } elsif ($dist =~ /^sles(\d+)$/) { + if ($1 > 11) { + $no_ets = 1; + } + } elsif ($dist =~ /^fedora(\d+)$/) { + if ($1 < 7) { + $no_ets = 1; + } + } + unless ($no_ets) { &Authen::Krb5::init_ets(); } @@ -6306,7 +6843,7 @@ sub make_new_child { &ReadManagerTable(); my $clientrec=defined(&Apache::lonnet::get_hosts_from_ip($outsideip)); my $ismanager=($managers{$outsideip} ne undef); - $clientname = "[unknonwn]"; + $clientname = "[unknown]"; if($clientrec) { # Establish client type. $ConnectionType = "client"; $clientname = (&Apache::lonnet::get_hosts_from_ip($outsideip))[-1]; @@ -6334,7 +6871,13 @@ sub make_new_child { # # If the remote is attempting a local init... give that a try: # - my ($i, $inittype) = split(/:/, $remotereq); + (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}; # If the connection type is ssl, but I didn't get my # certificate files yet, then I'll drop back to @@ -6354,6 +6897,7 @@ sub make_new_child { } if($inittype eq "local") { + $clientversion = $perlvar{'lonVersion'}; my $key = LocalConnection($client, $remotereq); if($key) { Debug("Got local key $key"); @@ -6361,7 +6905,7 @@ sub make_new_child { my $cipherkey = pack("H32", $key); $cipher = new IDEA($cipherkey); print $client "ok:local\n"; - &logthis('' . "Successful local authentication "); $keymode = "local" } else { @@ -6425,6 +6969,9 @@ sub make_new_child { # ------------------------------------------------------------ Process requests my $keep_going = 1; my $user_input; + my $clienthost = &Apache::lonnet::hostname($clientname); + my $clientserverhomeID = &Apache::lonnet::get_server_homeID($clienthost); + $clienthomedom = &Apache::lonnet::host_domain($clientserverhomeID); while(($user_input = get_request) && $keep_going) { alarm(120); Debug("Main: Got $user_input\n"); @@ -6474,22 +7021,29 @@ sub is_author { # Author role should show up as a key /domain/_au - my $key = "/$domain/_au"; my $value; - if (defined($hashref)) { - $value = $hashref->{$key}; - } + if ($hashref) { - if(defined($value)) { - &Debug("$user @ $domain is an author"); + my $key = "/$domain/_au"; + if (defined($hashref)) { + $value = $hashref->{$key}; + if(!untie_user_hash($hashref)) { + return 'error: ' . ($!+0)." untie (GDBM) Failed"; + } + } + + if(defined($value)) { + &Debug("$user @ $domain is an author"); + } + } else { + return 'error: '.($!+0)." tie (GDBM) Failed"; } return defined($value); } # # Checks to see if the input roleput request was to set -# an author role. If so, invokes the lchtmldir script to set -# up a correct public_html +# an author role. If so, creates construction space # Parameters: # request - The request sent to the rolesput subchunk. # We're looking for /domain/_au @@ -6499,16 +7053,15 @@ sub is_author { # sub manage_permissions { my ($request, $domain, $user, $authtype) = @_; - - &Debug("manage_permissions: $request $domain $user $authtype"); - # See if the request is of the form /$domain/_au if($request =~ /^(\/\Q$domain\E\/_au)$/) { # It's an author rolesput... - my $execdir = $perlvar{'lonDaemons'}; - my $userhome= "/home/$user" ; - &logthis("system $execdir/lchtmldir $userhome $user $authtype"); - &Debug("Setting homedir permissions for $userhome"); - system("$execdir/lchtmldir $userhome $user $authtype"); + my $path=$perlvar{'lonDocRoot'}."/priv/$domain"; + unless (-e $path) { + mkdir($path); + } + unless (-e $path.'/'.$user) { + mkdir($path.'/'.$user); + } } } @@ -6583,9 +7136,7 @@ sub rewrite_password_file { # Returns the authorization type or nouser if there is no such user. # -sub get_auth_type -{ - +sub get_auth_type { my ($domain, $user) = @_; Debug("get_auth_type( $domain, $user ) \n"); @@ -6660,7 +7211,18 @@ sub validate_user { } if ($howpwd ne 'nouser') { if($howpwd eq "internal") { # Encrypted is in local password file. - $validated = (crypt($password, $contentpwd) eq $contentpwd); + if (length($contentpwd) == 13) { + $validated = (crypt($password,$contentpwd) eq $contentpwd); + if ($validated) { + 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); + } } elsif ($howpwd eq "unix") { # User is a normal unix user. $contentpwd = (getpwnam($user))[1]; @@ -6680,54 +7242,24 @@ sub validate_user { } else { $validated = 0; } - } - elsif ($howpwd eq "krb4") { # user is in kerberos 4 auth. domain. - if(! ($password =~ /$null/) ) { - my $k4error = &Authen::Krb4::get_pw_in_tkt($user, - "", - $contentpwd,, - 'krbtgt', - $contentpwd, - 1, - $password); - if(!$k4error) { - $validated = 1; - } else { - $validated = 0; - &logthis('krb4: '.$user.', '.$contentpwd.', '. - &Authen::Krb4::get_err_txt($Authen::Krb4::error)); - } - } else { - $validated = 0; # Password has a match with null. - } + } elsif ($howpwd eq "krb4") { # user is in kerberos 4 auth. domain. + my $checkwithkrb5 = 0; + if ($dist =~/^fedora(\d+)$/) { + if ($1 > 11) { + $checkwithkrb5 = 1; + } + } elsif ($dist =~ /^suse([\d.]+)$/) { + if ($1 > 11.1) { + $checkwithkrb5 = 1; + } + } + if ($checkwithkrb5) { + $validated = &krb5_authen($password,$null,$user,$contentpwd); + } else { + $validated = &krb4_authen($password,$null,$user,$contentpwd); + } } elsif ($howpwd eq "krb5") { # User is in kerberos 5 auth. domain. - if(!($password =~ /$null/)) { # Null password not allowed. - my $krbclient = &Authen::Krb5::parse_name($user.'@' - .$contentpwd); - my $krbservice = "krbtgt/".$contentpwd."\@".$contentpwd; - my $krbserver = &Authen::Krb5::parse_name($krbservice); - my $credentials= &Authen::Krb5::cc_default(); - $credentials->initialize(&Authen::Krb5::parse_name($user.'@' - .$contentpwd)); - my $krbreturn; - if (exists(&Authen::Krb5::get_init_creds_password)) { - $krbreturn = - &Authen::Krb5::get_init_creds_password($krbclient,$password, - $krbservice); - $validated = (ref($krbreturn) eq 'Authen::Krb5::Creds'); - } else { - $krbreturn = - &Authen::Krb5::get_in_tkt_with_password($krbclient,$krbserver, - $password,$credentials); - $validated = ($krbreturn == 1); - } - if (!$validated) { - &logthis('krb5: '.$user.', '.$contentpwd.', '. - &Authen::Krb5::error()); - } - } else { - $validated = 0; - } + $validated = &krb5_authen($password,$null,$user,$contentpwd); } elsif ($howpwd eq "localauth") { # Authenticate via installation specific authentcation method: $validated = &localauth::localauth($user, @@ -6758,6 +7290,98 @@ sub validate_user { return $validated; } +sub check_internal_passwd { + my ($plainpass,$stored,$domain) = @_; + my (undef,$method,@rest) = split(/!/,$stored); + if ($method eq "bcrypt") { + my $result = &hash_passwd($domain,$plainpass,@rest); + if ($result ne $stored) { + return 0; + } + # 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]<$defaultcost); + } + return 0; +} + +sub get_last_authchg { + my ($domain,$user) = @_; + my $lastmod; + my $logname = &propath($domain,$user).'/passwd.log'; + if (-e "$logname") { + $lastmod = (stat("$logname"))[9]; + } + return $lastmod; +} + +sub krb4_authen { + my ($password,$null,$user,$contentpwd) = @_; + my $validated = 0; + if (!($password =~ /$null/) ) { # Null password not allowed. + eval { + require Authen::Krb4; + }; + if (!$@) { + my $k4error = &Authen::Krb4::get_pw_in_tkt($user, + "", + $contentpwd,, + 'krbtgt', + $contentpwd, + 1, + $password); + if(!$k4error) { + $validated = 1; + } else { + $validated = 0; + &logthis('krb4: '.$user.', '.$contentpwd.', '. + &Authen::Krb4::get_err_txt($Authen::Krb4::error)); + } + } else { + $validated = krb5_authen($password,$null,$user,$contentpwd); + } + } + return $validated; +} + +sub krb5_authen { + my ($password,$null,$user,$contentpwd) = @_; + my $validated = 0; + if(!($password =~ /$null/)) { # Null password not allowed. + my $krbclient = &Authen::Krb5::parse_name($user.'@' + .$contentpwd); + my $krbservice = "krbtgt/".$contentpwd."\@".$contentpwd; + my $krbserver = &Authen::Krb5::parse_name($krbservice); + my $credentials= &Authen::Krb5::cc_default(); + $credentials->initialize(&Authen::Krb5::parse_name($user.'@' + .$contentpwd)); + my $krbreturn; + if (exists(&Authen::Krb5::get_init_creds_password)) { + $krbreturn = + &Authen::Krb5::get_init_creds_password($krbclient,$password, + $krbservice); + $validated = (ref($krbreturn) eq 'Authen::Krb5::Creds'); + } else { + $krbreturn = + &Authen::Krb5::get_in_tkt_with_password($krbclient,$krbserver, + $password,$credentials); + $validated = ($krbreturn == 1); + } + if (!$validated) { + &logthis('krb5: '.$user.', '.$contentpwd.', '. + &Authen::Krb5::error()); + } + } + return $validated; +} sub addline { my ($fname,$hostid,$ip,$newline)=@_; @@ -6970,7 +7594,9 @@ sub subscribe { # the metadata unless ($fname=~/\.meta$/) { &unsub("$fname.meta",$clientip); } $fname=~s/\/home\/httpd\/html\/res/raw/; - $fname="http://".&Apache::lonnet::hostname($perlvar{'lonHostID'})."/".$fname; + my $protocol = $Apache::lonnet::protocol{$perlvar{'lonHostID'}}; + $protocol = 'http' if ($protocol ne 'https'); + $fname=$protocol.'://'.&Apache::lonnet::hostname($perlvar{'lonHostID'})."/".$fname; $result="$fname\n"; } } else { @@ -7012,26 +7638,26 @@ sub change_unix_password { sub make_passwd_file { - my ($uname, $umode,$npass,$passfilename)=@_; + my ($uname,$udom,$umode,$npass,$passfilename,$action)=@_; my $result="ok"; if ($umode eq 'krb4' or $umode eq 'krb5') { { my $pf = IO::File->new(">$passfilename"); if ($pf) { print $pf "$umode:$npass\n"; + &update_passwd_history($uname,$udom,$umode,$action); } else { $result = "pass_file_failed_error"; } } } elsif ($umode eq 'internal') { - my $salt=time; - $salt=substr($salt,6,2); - my $ncpass=crypt($npass,$salt); + my $ncpass = &hash_passwd($udom,$npass); { &Debug("Creating internal auth"); my $pf = IO::File->new(">$passfilename"); if($pf) { - print $pf "internal:$ncpass\n"; + print $pf "internal:$ncpass\n"; + &update_passwd_history($uname,$udom,$umode,$action); } else { $result = "pass_file_failed_error"; } @@ -7046,55 +7672,8 @@ sub make_passwd_file { } } } elsif ($umode eq 'unix') { - { - # - # Don't allow the creation of privileged accounts!!! that would - # be real bad!!! - # - my $uid = getpwnam($uname); - if((defined $uid) && ($uid == 0)) { - &logthis(">>>Attempted to create privilged account blocked"); - return "no_priv_account_error\n"; - } - - my $execpath ="$perlvar{'lonDaemons'}/"."lcuseradd"; - - my $lc_error_file = $execdir."/tmp/lcuseradd".$$.".status"; - { - &Debug("Executing external: ".$execpath); - &Debug("user = ".$uname.", Password =". $npass); - my $se = IO::File->new("|$execpath > $perlvar{'lonDaemons'}/logs/lcuseradd.log"); - print $se "$uname\n"; - print $se "$npass\n"; - print $se "$npass\n"; - print $se "$lc_error_file\n"; # Status -> unique file. - } - if (-r $lc_error_file) { - &Debug("Opening error file: $lc_error_file"); - my $error = IO::File->new("< $lc_error_file"); - my $useraddok = <$error>; - $error->close; - unlink($lc_error_file); - - chomp $useraddok; - - if($useraddok > 0) { - my $error_text = &lcuseraddstrerror($useraddok); - &logthis("Failed lcuseradd: $error_text"); - $result = "lcuseradd_failed:$error_text"; - } else { - my $pf = IO::File->new(">$passfilename"); - if($pf) { - print $pf "unix:\n"; - } else { - $result = "pass_file_failed_error"; - } - } - } else { - &Debug("Could not locate lcuseradd error: $lc_error_file"); - $result="bug_lcuseradd_no_output_file"; - } - } + &logthis(">>>Attempt to create unix account blocked -- unix auth not available for new users."); + $result="no_new_unix_accounts"; } elsif ($umode eq 'none') { { my $pf = IO::File->new("> $passfilename"); @@ -7128,7 +7707,7 @@ sub sethost { eq &Apache::lonnet::get_host_ip($hostid)) { $currenthostid =$hostid; $currentdomainid=&Apache::lonnet::host_domain($hostid); - &logthis("Setting hostid to $hostid, and domain to $currentdomainid"); +# &logthis("Setting hostid to $hostid, and domain to $currentdomainid"); } else { &logthis("Requested host id $hostid not an alias of ". $perlvar{'lonHostID'}." refusing connection"); @@ -7143,6 +7722,27 @@ sub version { return "version:$VERSION"; } +sub get_usersession_config { + my ($dom,$name) = @_; + my ($usersessionconf,$cached)=&Apache::lonnet::is_cached_new($name,$dom); + if (defined($cached)) { + 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'}; + } + } + return; +} + + + + +sub distro_and_arch { + return $dist.':'.$arch; +} # ----------------------------------- POD (plain old documentation, CPAN style) @@ -7323,7 +7923,7 @@ Allow for a password to be set. Make a user. -=item passwd +=item changeuserauth Allow for authentication mechanism and password to be changed. @@ -7351,7 +7951,7 @@ Place in B stores hash in namespace -=item rolesputy +=item rolesput put a role into a user's environment @@ -7412,6 +8012,10 @@ 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. @@ -7468,6 +8072,8 @@ Authen::Krb5 =head1 COREQUISITES +none + =head1 OSNAMES linux @@ -7555,9 +8161,9 @@ or the CA's certificate in the call to l 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 @@ -7676,7 +8282,7 @@ Could not rewrite the internal password file for a user =item Result of password change for : - + A unix password change for was attempted and the pipe returned @@ -7705,7 +8311,7 @@ lond has been asked to exit by its clien client systemand is the full exit command sent to the server. =item Red CRITICAL: ABNORMAL EXIT. child for server died through a crass with this error->[]. - + A lond child terminated. NOte that this termination can also occur when the child receives the QUIT or DIE signals. is the process id of the child, the host lond is working for, and the reason the child died @@ -7789,7 +8395,7 @@ 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 ------ @@ -7803,7 +8409,7 @@ Started a new child process for 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. @@ -7814,7 +8420,7 @@ In child process initialization. The pe The client address is stored as "Unavailable" and processing continues. =item (Yellow) INFO: Connection connection type = - + In child initialization. A good connectionw as received from . =over 2 @@ -7864,7 +8470,7 @@ The client ( is the peer's name negotiated an SSL connection with this child process. =item (Green) Successful insecure authentication with - + The client has successfully negotiated an insecure connection withthe child process. @@ -7878,5 +8484,7 @@ string. =back +=back + =cut