--- loncom/lond 2011/06/11 21:10:03 1.475 +++ loncom/lond 2013/05/11 22:42:22 1.489.2.5 @@ -2,7 +2,7 @@ # The LearningOnline Network # lond "LON Daemon" Server (port "LOND" 5663) # -# $Id: lond,v 1.475 2011/06/11 21:10:03 raeburn Exp $ +# $Id: lond,v 1.489.2.5 2013/05/11 22:42:22 raeburn Exp $ # # Copyright Michigan State University Board of Trustees # @@ -34,6 +34,7 @@ use strict; use lib '/home/httpd/lib/perl/'; use LONCAPA; use LONCAPA::Configuration; +use LONCAPA::Lond; use IO::Socket; use IO::File; @@ -60,7 +61,7 @@ my $DEBUG = 0; # Non zero to ena my $status=''; my $lastlog=''; -my $VERSION='$Revision: 1.475 $'; #' stupid emacs +my $VERSION='$Revision: 1.489.2.5 $'; #' stupid emacs my $remoteVERSION; my $currenthostid="default"; my $currentdomainid; @@ -92,6 +93,8 @@ my %managers; # Ip -> manager names my %perlvar; # Will have the apache conf defined perl vars. +my $dist; + # # The hash below is used for command dispatching, and is therefore keyed on the request keyword. # Each element of the hash contains a reference to an array that contains: @@ -151,8 +154,8 @@ my @adderrors = ("ok", my @installerrors = ("ok", "Initial user id of client not that of www", "Usage error, not enough command line arguments", - "Source file name does not exist", - "Destination file name does not exist", + "Source filename does not exist", + "Destination filename does not exist", "Some file operation failed", "Invalid table filename." ); @@ -1641,6 +1644,74 @@ sub ls3_handler { } ®ister_handler("ls3", \&ls3_handler, 0, 1, 0); +sub read_lonnet_global { + my ($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:$tail"; + my ($name,$id) = map { &unescape($_); } split(/:/,$tail); + &Apache::lonnet::devalidate_cache_new($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:$tail"; @@ -2003,7 +2074,7 @@ sub add_user_handler { ."makeuser"; } unless ($fperror) { - my $result=&make_passwd_file($uname, $umode,$npass, $passfilename); + my $result=&make_passwd_file($uname,$udom,$umode,$npass, $passfilename); &Reply($client,\$result, $userinput); #BUGBUG - could be fail } else { &Failure($client, \$fperror, $userinput); @@ -2078,7 +2149,7 @@ sub change_authentication_handler { &Failure($client, \$result); } } else { - my $result=&make_passwd_file($uname, $umode,$npass,$passfilename); + my $result=&make_passwd_file($uname,$udom,$umode,$npass,$passfilename); # # 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, @@ -2278,7 +2349,10 @@ 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: $destname"); alarm(120); @@ -2300,6 +2374,24 @@ sub fetch_user_file_handler { unlink($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); } } @@ -3172,6 +3264,9 @@ 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. # $client - Channel open on the client. # Returns: # 1 - Continue processing. @@ -3181,93 +3276,12 @@ sub dump_profile_database { sub dump_with_regexp { my ($cmd, $tail, $client) = @_; + my $res = LONCAPA::Lond::dump_with_regexp($tail, $clientversion); - my $userinput = "$cmd:$tail"; - - my ($udom,$uname,$namespace,$regexp,$range,$extra)=split(/:/,$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()); - my $skipcheck; - if ($hashref) { - my $qresult=''; - my $count=0; - if ($extra ne '') { - $extra = &Apache::lonnet::thaw_unescape($extra); - $skipcheck = $extra->{'skipcheck'}; - } - my @ids = &Apache::lonnet::current_machine_ids(); - my (%homecourses,$major,$minor,$now); - if (($namespace eq 'roles') && (!$skipcheck)) { - my $loncaparev = $clientversion; - if ($loncaparev eq '') { - $loncaparev = $Apache::lonnet::loncaparevs{$clientname}; - } - if ($loncaparev =~ /^\'?(\d+)\.(\d+)\.[\w.\-]+\'?/) { - $major = $1; - $minor = $2; - } - $now = time; - } - while (my ($key,$value) = each(%$hashref)) { - if ($namespace eq 'roles') { - if ($key =~ m{^/($LONCAPA::match_domain)/($LONCAPA::match_courseid)(/?[^_]*)_(cc|co|in|ta|ep|ad|st|cr)$}) { - my $cdom = $1; - my $cnum = $2; - unless ($skipcheck) { - my ($role,$end,$start) = split(/\_/,$value); - if (!$end || $end > $now) { - next unless (&releasereqd_check($cnum,$cdom,$key,$value,$major, - $minor,\%homecourses,\@ids)); - } - } - } - } - if ($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)) { - if (($namespace eq 'roles') && (!$skipcheck)) { - if (keys(%homecourses) > 0) { - $qresult .= &check_homecourses(\%homecourses,$udom,$regexp,$count, - $range,$start,$end,$major,$minor); - } - } - chop($qresult); - &Reply($client, \$qresult, $userinput); - } else { - &Failure( $client, "error: ".($!+0)." untie(GDBM) Failed ". - "while attempting dump\n", $userinput); - } + if ($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; @@ -3925,7 +3939,7 @@ sub dump_course_id_handler { $creationcontext = '.'; } my $unpack = 1; - if ($description eq '.' && $instcodefilter eq '.' && $coursefilter eq '.' && + if ($description eq '.' && $instcodefilter eq '.' && $ownerfilter eq '.' && $typefilter eq '.') { $unpack = 0; } @@ -4982,9 +4996,10 @@ sub validate_instcode_handler { my ($dom,$instcode,$owner) = split(/:/, $tail); $instcode = &unescape($instcode); $owner = &unescape($owner); - my ($outcome,$description) = + my ($outcome,$description,$credits) = &localenroll::validate_instcode($dom,$instcode,$owner); - my $result = &escape($outcome).'&'.&escape($description); + my $result = &escape($outcome).'&'.&escape($description).'&'. + &escape($credits); &Reply($client, \$result, $userinput); return 1; @@ -6362,7 +6377,7 @@ $SIG{USR2} = \&UpdateHosts; &Apache::lonnet::load_hosts_tab(); my %iphost = &Apache::lonnet::get_iphost(1); -my $dist=`$perlvar{'lonDaemons'}/distprobe`; +$dist=`$perlvar{'lonDaemons'}/distprobe`; my $arch = `uname -i`; chomp($arch); @@ -6455,7 +6470,8 @@ sub make_new_child { #---------------------------------------------------- kerberos 5 initialization &Authen::Krb5::init_context(); unless (($dist eq 'fedora5') || ($dist eq 'fedora4') || - ($dist eq 'fedora6') || ($dist eq 'suse9.3')) { + ($dist eq 'fedora6') || ($dist eq 'suse9.3') || + ($dist eq 'suse12.2') || ($dist eq 'suse12.3')) { &Authen::Krb5::init_ets(); } @@ -6501,6 +6517,12 @@ 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}; # If the connection type is ssl, but I didn't get my # certificate files yet, then I'll drop back to @@ -6644,22 +6666,29 @@ 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($value); } # # Checks to see if the input roleput request was to set -# an author role. If so, invokes the lchtmldir script to set -# up a correct public_html +# an author role. If so, creates construction space # Parameters: # request - The request sent to the rolesput subchunk. # We're looking for /domain/_au @@ -6669,16 +6698,15 @@ sub is_author { # sub manage_permissions { my ($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); + } } } @@ -7167,7 +7195,9 @@ 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 { @@ -7209,7 +7239,7 @@ sub change_unix_password { sub make_passwd_file { - my ($uname, $umode,$npass,$passfilename)=@_; + my ($uname,$udom,$umode,$npass,$passfilename)=@_; my $result="ok"; if ($umode eq 'krb4' or $umode eq 'krb5') { { @@ -7250,7 +7280,7 @@ sub make_passwd_file { # my $uid = getpwnam($uname); if((defined $uid) && ($uid == 0)) { - &logthis(">>>Attempted to create privilged account blocked"); + &logthis(">>>Attempt to create privileged account blocked"); return "no_priv_account_error\n"; } @@ -7262,6 +7292,7 @@ sub make_passwd_file { &Debug("user = ".$uname.", Password =". $npass); my $se = IO::File->new("|$execpath > $perlvar{'lonDaemons'}/logs/lcuseradd.log"); print $se "$uname\n"; + print $se "$udom\n"; print $se "$npass\n"; print $se "$npass\n"; print $se "$lc_error_file\n"; # Status -> unique file. @@ -7355,167 +7386,6 @@ sub get_usersession_config { return; } -sub releasereqd_check { - my ($cnum,$cdom,$key,$value,$major,$minor,$homecourses,$ids) = @_; - my $home = &Apache::lonnet::homeserver($cnum,$cdom); - return if ($home eq 'no_host'); - my ($reqdmajor,$reqdminor,$displayrole); - if ($cnum =~ /$LONCAPA::match_community/) { - if ($major eq '' && $minor eq '') { - return unless ((ref($ids) eq 'ARRAY') && - (grep(/^\Q$home\E$/,@{$ids}))); - } else { - $reqdmajor = 2; - $reqdminor = 9; - return unless (&useable_role($reqdmajor,$reqdminor,$major,$minor)); - } - } - my $hashid = $cdom.':'.$cnum; - my ($courseinfo,$cached) = - &Apache::lonnet::is_cached_new('courseinfo',$hashid); - if (defined($cached)) { - if (ref($courseinfo) eq 'HASH') { - if (exists($courseinfo->{'releaserequired'})) { - my ($reqdmajor,$reqdminor) = split(/\./,$courseinfo->{'releaserequired'}); - return unless (&useable_role($reqdmajor,$reqdminor,$major,$minor)); - } - } - } else { - if (ref($ids) eq 'ARRAY') { - if (grep(/^\Q$home\E$/,@{$ids})) { - if (ref($homecourses) eq 'HASH') { - if (ref($homecourses->{$hashid}) eq 'ARRAY') { - push(@{$homecourses->{$hashid}},{$key=>$value}); - } else { - $homecourses->{$hashid} = [{$key=>$value}]; - } - } - return; - } - } - my $courseinfo = &get_courseinfo_hash($cnum,$cdom,$home); - if (ref($courseinfo) eq 'HASH') { - if (exists($courseinfo->{'releaserequired'})) { - my ($reqdmajor,$reqdminor) = split(/\./,$courseinfo->{'releaserequired'}); - return unless (&useable_role($reqdmajor,$reqdminor,$major,$minor)); - } - } else { - return; - } - } - return 1; -} - -sub get_courseinfo_hash { - my ($cnum,$cdom,$home) = @_; - my %info; - eval { - local($SIG{ALRM}) = sub { die "timeout\n"; }; - local($SIG{__DIE__})='DEFAULT'; - alarm(3); - %info = &Apache::lonnet::courseiddump($cdom,'.',1,'.','.',$cnum,1,[$home],'.'); - alarm(0); - }; - if ($@) { - if ($@ eq "timeout\n") { - &logthis("WARNING courseiddump for $cnum:$cdom from $home timedout"); - } else { - &logthis("WARNING unexpected error during eval of call for courseiddump from $home"); - } - } else { - if (ref($info{$cdom.'_'.$cnum}) eq 'HASH') { - my $hashid = $cdom.':'.$cnum; - return &Apache::lonnet::do_cache_new('courseinfo',$hashid,$info{$cdom.'_'.$cnum},600); - } - } - return; -} - -sub check_homecourses { - my ($homecourses,$udom,$regexp,$count,$range,$start,$end,$major,$minor) = @_; - my ($result,%addtocache); - my $yesterday = time - 24*3600; - if (ref($homecourses) eq 'HASH') { - my (%okcourses,%courseinfo,%recent); - my $hashref = &tie_domain_hash($udom, "nohist_courseids", &GDBM_WRCREAT()); - if ($hashref) { - while (my ($key,$value) = each(%$hashref)) { - my $unesc_key = &unescape($key); - if ($unesc_key =~ /^lasttime:(\w+)$/) { - my $cid = $1; - $cid =~ s/_/:/; - if ($value > $yesterday ) { - $recent{$cid} = 1; - } - next; - } - my $items = &Apache::lonnet::thaw_unescape($value); - if (ref($items) eq 'HASH') { - my $hashid = $unesc_key; - $hashid =~ s/_/:/; - $courseinfo{$hashid} = $items; - if (ref($homecourses->{$hashid}) eq 'ARRAY') { - my ($reqdmajor,$reqdminor) = split(/\./,$items->{'releaserequired'}); - if (&useable_role($reqdmajor,$reqdminor,$major,$minor)) { - $okcourses{$hashid} = 1; - } - } - } - } - unless (&untie_domain_hash($hashref)) { - &logthis('Failed to untie tied hash for nohist_courseids.db'); - } - } else { - &logthis('Failed to tie hash for nohist_courseids.db'); - return; - } - foreach my $hashid (keys(%recent)) { - my ($result,$cached)=&Apache::lonnet::is_cached_new('courseinfo',$hashid); - unless ($cached) { - &Apache::lonnet::do_cache_new('courseinfo',$hashid,$courseinfo{$hashid},600); - } - } - foreach my $hashid (keys(%{$homecourses})) { - next if ($recent{$hashid}); - &Apache::lonnet::do_cache_new('courseinfo',$hashid,$courseinfo{$hashid},600); - } - foreach my $hashid (keys(%okcourses)) { - if (ref($homecourses->{$hashid}) eq 'ARRAY') { - foreach my $role (@{$homecourses->{$hashid}}) { - if (ref($role) eq 'HASH') { - while (my ($key,$value) = each(%{$role})) { - if ($regexp eq '.') { - $count++; - if (defined($range) && $count >= $end) { last; } - if (defined($range) && $count < $start) { next; } - $result.=$key.'='.$value.'&'; - } else { - my $unescapeKey = &unescape($key); - if (eval('$unescapeKey=~/$regexp/')) { - $count++; - if (defined($range) && $count >= $end) { last; } - if (defined($range) && $count < $start) { next; } - $result.="$key=$value&"; - } - } - } - } - } - } - } - } - return $result; -} - -sub useable_role { - my ($reqdmajor,$reqdminor,$major,$minor) = @_; - if ($reqdmajor ne '' && $reqdminor ne '') { - return if (($major eq '' && $minor eq '') || - ($major < $reqdmajor) || - (($major == $reqdmajor) && ($minor < $reqdminor))); - } - return 1; -} sub distro_and_arch { return $dist.':'.$arch; @@ -7728,7 +7598,7 @@ Place in B stores hash in namespace -=item rolesputy +=item rolesput put a role into a user's environment