--- loncom/lond 2014/06/09 16:58:22 1.467.2.8 +++ loncom/lond 2012/10/05 15:19:18 1.497 @@ -2,7 +2,7 @@ # The LearningOnline Network # lond "LON Daemon" Server (port "LOND" 5663) # -# $Id: lond,v 1.467.2.8 2014/06/09 16:58:22 raeburn Exp $ +# $Id: lond,v 1.497 2012/10/05 15:19:18 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; @@ -59,7 +61,7 @@ my $DEBUG = 0; # Non zero to ena my $status=''; my $lastlog=''; -my $VERSION='$Revision: 1.467.2.8 $'; #' stupid emacs +my $VERSION='$Revision: 1.497 $'; #' stupid emacs my $remoteVERSION; my $currenthostid="default"; my $currentdomainid; @@ -91,6 +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: @@ -600,8 +604,8 @@ sub InstallFile { # # ConfigFileFromSelector: converts a configuration file selector # into a configuration file pathname. -# Supports the following file selectors: -# hosts, domain, dns_hosts, dns_domain +# Supports the following file selectors: +# hosts, domain, dns_hosts, dns_domain # # # Parameters: @@ -614,12 +618,11 @@ sub ConfigFileFromSelector { my $tablefile; my $tabledir = $perlvar{'lonTabDir'}.'/'; - if (($selector eq "hosts") || ($selector eq "domain") || + if (($selector eq "hosts") || ($selector eq "domain") || ($selector eq "dns_hosts") || ($selector eq "dns_domain")) { - $tablefile = $tabledir.$selector.'.tab'; + $tablefile = $tabledir.$selector.'.tab'; } return $tablefile; - } # # PushFile: Called to do an administrative push of a file. @@ -637,7 +640,7 @@ 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(":", $request, 3); &Debug("PushFile"); @@ -646,7 +649,7 @@ sub PushFile { # hosts.tab ($filename eq host). # domain.tab ($filename eq domain). # dns_hosts.tab ($filename eq dns_host). - # dns_domain.tab ($filename eq dns_domain). + # dns_domain.tab ($filename eq dns_domain). # Construct the destination filename or reject the request. # # lonManage is supposed to ensure this, however this session could be @@ -667,44 +670,6 @@ 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 $pullleng bytes"; - } else { - return "error: mismatch push and pull"; - } - } - } - } - } } # Install the new file: @@ -715,8 +680,8 @@ sub PushFile { .$tablefile." $! "); return "error:$!"; } else { - &logthis(' Installed new '.$tablefile - ." - transaction by: $clientname ($clientip)"); + &logthis(' Installed new '.$tablefile + ." - transaction by: $clientname ($clientip)"); my $adminmail = $perlvar{'lonAdmEMail'}; my $admindom = &Apache::lonnet::host_domain($perlvar{'lonHostID'}); if ($admindom ne '') { @@ -1679,6 +1644,74 @@ sub ls3_handler { } ®ister_handler("ls3", \&ls3_handler, 0, 1, 0); +sub read_lonnet_global { + my ($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:$tail"; @@ -1874,12 +1907,8 @@ sub authenticate_handler { if (ref($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); } } @@ -2041,7 +2070,7 @@ 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, $userinput); @@ -2116,7 +2145,7 @@ sub change_authentication_handler { &Failure($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, @@ -2341,6 +2370,24 @@ 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", $userinput); } } @@ -3147,6 +3194,17 @@ sub get_profile_keys { sub dump_profile_database { my ($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); @@ -3213,6 +3271,9 @@ 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. # $client - Channel open on the client. # Returns: # 1 - Continue processing. @@ -3222,93 +3283,12 @@ sub dump_profile_database { sub dump_with_regexp { my ($cmd, $tail, $client) = @_; - - 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); - } + 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; @@ -3887,6 +3867,17 @@ 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,$coursefilter, @@ -5079,7 +5070,7 @@ sub validate_course_owner_handler { my ($cmd, $tail, $client) = @_; my $userinput = "$cmd:$tail"; my ($inst_course_id, $owner, $cdom, $coowners) = split(/:/, $tail); - + $owner = &unescape($owner); $coowners = &unescape($coowners); my $outcome = &localenroll::new_course($inst_course_id,$owner,$cdom,$coowners); @@ -6070,7 +6061,7 @@ if (-e $pidfile) { $server = IO::Socket::INET->new(LocalPort => $perlvar{'londPort'}, Type => SOCK_STREAM, Proto => 'tcp', - ReuseAddr => 1, + ReuseAddr => 1, Listen => 10 ) or die "making socket: $@\n"; @@ -6133,6 +6124,7 @@ sub HUPSMAN { # sig # a setuid perl script that can be root for us to do this job. # sub ReloadApache { +# --------------------------- Handle case of another apachereload process (locking) if (&LONCAPA::try_to_lock('/tmp/lock_apachereload')) { my $execdir = $perlvar{'lonDaemons'}; my $script = $execdir."/apachereload"; @@ -6249,6 +6241,9 @@ 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)) { @@ -6402,7 +6397,7 @@ $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); @@ -6477,13 +6472,12 @@ 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); + # + # 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 '; $status='Forked'; @@ -6496,7 +6490,8 @@ sub make_new_child { #---------------------------------------------------- kerberos 5 initialization &Authen::Krb5::init_context(); unless (($dist eq 'fedora5') || ($dist eq 'fedora4') || - ($dist eq 'fedora6') || ($dist eq 'suse9.3')) { + ($dist eq 'fedora6') || ($dist eq 'suse9.3') || + ($dist eq 'suse12.2')) { &Authen::Krb5::init_ets(); } @@ -6541,7 +6536,14 @@ sub make_new_child { # # If the remote is attempting a local init... give that a try: # + logthis("remotereq: $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 @@ -6685,22 +6687,29 @@ 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($value); } # # Checks to see if the input roleput request was to set -# an author role. If so, invokes the lchtmldir script to set -# up a correct public_html +# an author role. If so, creates construction space # Parameters: # request - The request sent to the rolesput subchunk. # We're looking for /domain/_au @@ -6710,16 +6719,15 @@ sub is_author { # sub manage_permissions { my ($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); + } } } @@ -7252,7 +7260,7 @@ 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') { { @@ -7293,7 +7301,7 @@ 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"; } @@ -7305,6 +7313,7 @@ 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. @@ -7398,167 +7407,8 @@ 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; @@ -7771,7 +7621,7 @@ Place in B stores hash in namespace -=item rolesputy +=item rolesput put a role into a user's environment @@ -7888,6 +7738,8 @@ Authen::Krb5 =head1 COREQUISITES +none + =head1 OSNAMES linux @@ -7975,9 +7827,9 @@ 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 @@ -8096,7 +7948,7 @@ 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 @@ -8125,7 +7977,7 @@ 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 @@ -8209,7 +8061,7 @@ 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 ------ @@ -8223,7 +8075,7 @@ 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. @@ -8234,7 +8086,7 @@ 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 @@ -8284,7 +8136,7 @@ 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.