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Diff for /loncom/lond between versions 1.480 and 1.491

version 1.480, 2011/08/05 04:35:45 version 1.491, 2012/04/25 21:22:28
Line 34  use strict; Line 34  use strict;
 use lib '/home/httpd/lib/perl/';  use lib '/home/httpd/lib/perl/';
 use LONCAPA;  use LONCAPA;
 use LONCAPA::Configuration;  use LONCAPA::Configuration;
   use LONCAPA::Lond;
   
 use IO::Socket;  use IO::Socket;
 use IO::File;  use IO::File;
Line 1709  sub server_devalidatecache_handler { Line 1710  sub server_devalidatecache_handler {
     &Reply($client,\$result,$userinput);      &Reply($client,\$result,$userinput);
     return 1;      return 1;
 }  }
 &register_handler("devalidatecache", \&devalidatecache_handler, 0, 1, 0);  &register_handler("devalidatecache", \&server_devalidatecache_handler, 0, 1, 0);
   
 sub server_timezone_handler {  sub server_timezone_handler {
     my ($cmd,$tail,$client) = @_;      my ($cmd,$tail,$client) = @_;
Line 2073  sub add_user_handler { Line 2074  sub add_user_handler {
     ."makeuser";      ."makeuser";
     }      }
     unless ($fperror) {      unless ($fperror) {
  my $result=&make_passwd_file($uname, $umode,$npass, $passfilename);   my $result=&make_passwd_file($uname,$udom,$umode,$npass, $passfilename);
  &Reply($client,\$result, $userinput);     #BUGBUG - could be fail   &Reply($client,\$result, $userinput);     #BUGBUG - could be fail
     } else {      } else {
  &Failure($client, \$fperror, $userinput);   &Failure($client, \$fperror, $userinput);
Line 2148  sub change_authentication_handler { Line 2149  sub change_authentication_handler {
     &Failure($client, \$result);      &Failure($client, \$result);
  }   }
     } else {      } 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   #  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,   #  unix, or krb*,  and the user is an author for this domain,
Line 2350  sub fetch_user_file_handler { Line 2351  sub fetch_user_file_handler {
  my $transname=$udir.'/'.$ufile.'.in.transit';   my $transname=$udir.'/'.$ufile.'.in.transit';
         my $clientprotocol=$Apache::lonnet::protocol{$clientname};          my $clientprotocol=$Apache::lonnet::protocol{$clientname};
         $clientprotocol = 'http' if ($clientprotocol ne 'https');          $clientprotocol = 'http' if ($clientprotocol ne 'https');
  my $remoteurl=$clientprotocol.'://'.$clientip.'/userfiles/'.$fname;   my $clienthost = &Apache::lonnet::hostname($clientname);
    my $remoteurl=$clientprotocol.'://'.$clienthost.'/userfiles/'.$fname;
  my $response;   my $response;
  Debug("Remote URL : $remoteurl Transfername $transname Destname: $destname");   Debug("Remote URL : $remoteurl Transfername $transname Destname: $destname");
  alarm(120);   alarm(120);
Line 3244  sub dump_profile_database { Line 3246  sub dump_profile_database {
 #                                             that is matched against  #                                             that is matched against
 #                                             database keywords to do  #                                             database keywords to do
 #                                             selective dumps.  #                                             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.  #   $client                   - Channel open on the client.
 # Returns:  # Returns:
 #    1    - Continue processing.  #    1    - Continue processing.
Line 3253  sub dump_profile_database { Line 3258  sub dump_profile_database {
 sub dump_with_regexp {  sub dump_with_regexp {
     my ($cmd, $tail, $client) = @_;      my ($cmd, $tail, $client) = @_;
   
       #TODO encapsulate $clientname and $clientversion in a object.
       my $res = LONCAPA::Lond::dump_with_regexp($cmd, $tail, $clientname, $clientversion);
       
       if ($res =~ /^error:/) {
           Failure($client, \$res, "$cmd:$tail");
       } else {
           Reply($client, \$res, "$cmd:$tail");
       }
       return 1;
   
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
   
     my ($udom,$uname,$namespace,$regexp,$range,$extra)=split(/:/,$tail);      my ($udom,$uname,$namespace,$regexp,$range)=split(/:/,$tail);
     if (defined($regexp)) {      if (defined($regexp)) {
  $regexp=&unescape($regexp);   $regexp=&unescape($regexp);
     } else {      } else {
Line 3274  sub dump_with_regexp { Line 3288  sub dump_with_regexp {
     }      }
     my $hashref = &tie_user_hash($udom, $uname, $namespace,      my $hashref = &tie_user_hash($udom, $uname, $namespace,
  &GDBM_READER());   &GDBM_READER());
     my $skipcheck;  
     if ($hashref) {      if ($hashref) {
         my $qresult='';          my $qresult='';
  my $count=0;   my $count=0;
         if ($extra ne '') {  #
             $extra = &Apache::lonnet::thaw_unescape($extra);  # When dump is for roles.db, determine if LON-CAPA version checking is needed.
             $skipcheck = $extra->{'skipcheck'};  # Sessions on 2.10 and later do not require version checking, as that occurs
         }  # on the server hosting the user session, when constructing the roles/courses 
   # screen).
   #
           my $skipcheck;
         my @ids = &Apache::lonnet::current_machine_ids();          my @ids = &Apache::lonnet::current_machine_ids();
         my (%homecourses,$major,$minor,$now);          my (%homecourses,$major,$minor,$now);
         if (($namespace eq 'roles') && (!$skipcheck)) {  # 
   # If dump is for roles.db from a pre-2.10 server, determine the LON-CAPA   
   # version on the server which requested the data. For LON-CAPA 2.9, the  
   # client session will have sent its LON-CAPA version when initiating the
   # connection. For LON-CAPA 2.8 and older, the version is retrieved from
   # the global %loncaparevs in lonnet.pm.
   # 
           if ($namespace eq 'roles') {
             my $loncaparev = $clientversion;              my $loncaparev = $clientversion;
             if ($loncaparev eq '') {              if ($loncaparev eq '') {
                 $loncaparev = $Apache::lonnet::loncaparevs{$clientname};                  $loncaparev = $Apache::lonnet::loncaparevs{$clientname};
Line 3293  sub dump_with_regexp { Line 3316  sub dump_with_regexp {
                 $major = $1;                  $major = $1;
                 $minor = $2;                  $minor = $2;
             }              }
               if (($major > 2) || (($major == 2) && ($minor > 9))) {
                   $skipcheck = 1;
               }
             $now = time;              $now = time;
         }          }
  while (my ($key,$value) = each(%$hashref)) {   while (my ($key,$value) = each(%$hashref)) {
             if ($namespace eq 'roles') {              if (($namespace eq 'roles') && (!$skipcheck)) {
                 if ($key =~ m{^/($LONCAPA::match_domain)/($LONCAPA::match_courseid)(/?[^_]*)_(cc|co|in|ta|ep|ad|st|cr)$}) {                  if ($key =~ m{^/($LONCAPA::match_domain)/($LONCAPA::match_courseid)(/?[^_]*)_(cc|co|in|ta|ep|ad|st|cr)$}) {
                     my $cdom = $1;                      my $cdom = $1;
                     my $cnum = $2;                      my $cnum = $2;
                     unless ($skipcheck) {                      my ($role,$roleend,$rolestart) = split(/\_/,$value);
                         my ($role,$end,$start) = split(/\_/,$value);                      if (!$roleend || $roleend > $now) {
                         if (!$end || $end > $now) {  #
                             next unless (&releasereqd_check($cnum,$cdom,$key,$value,$major,  # For active course roles, check that requesting server is running a LON-CAPA
                                                             $minor,\%homecourses,\@ids));  # version which meets any version requirements for the course. Do not include
                         }  # the role amongst the results returned if the requesting server's version is
   # too old.
   #
   # This determination is handled differently depending on whether the course's 
   # homeserver is the current server, or whether it is a different server.
   # In both cases, the course's version requirement needs to be retrieved.
   # 
                           next unless (&releasereqd_check($cnum,$cdom,$key,$value,$major,
                                                           $minor,\%homecourses,\@ids));
                     }                      }
                 }                  }
             }              }
Line 3325  sub dump_with_regexp { Line 3359  sub dump_with_regexp {
     }      }
  }   }
  if (&untie_user_hash($hashref)) {   if (&untie_user_hash($hashref)) {
   #
   # If dump is for roles.db from a pre-2.10 server, check if the LON-CAPA
   # version requirements for courses for which the current server is the home
   # server permit course roles to be usable on the client server hosting the
   # user's session. If so, include those role results in the data returned to  
   # the client server.
   #
             if (($namespace eq 'roles') && (!$skipcheck)) {              if (($namespace eq 'roles') && (!$skipcheck)) {
                 if (keys(%homecourses) > 0) {                  if (keys(%homecourses) > 0) {
                     $qresult .= &check_homecourses(\%homecourses,$udom,$regexp,$count,                      $qresult .= &check_homecourses(\%homecourses,$regexp,$count,
                                                    $range,$start,$end,$major,$minor);                                                     $range,$start,$end,$major,$minor);
                 }                  }
             }              }
Line 3997  sub dump_course_id_handler { Line 4038  sub dump_course_id_handler {
         $creationcontext = '.';          $creationcontext = '.';
     }      }
     my $unpack = 1;      my $unpack = 1;
     if ($description eq '.' && $instcodefilter eq '.' && $coursefilter eq '.' &&       if ($description eq '.' && $instcodefilter eq '.' && $ownerfilter eq '.' && 
         $typefilter eq '.') {          $typefilter eq '.') {
         $unpack = 0;          $unpack = 0;
     }      }
Line 6281  sub Debug { Line 6322  sub Debug {
 #     reply   - Text to send to client.  #     reply   - Text to send to client.
 #     request - Original request from 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 $reply is a string the caller has to ensure this.
 sub Reply {  sub Reply {
     my ($fd, $reply, $request) = @_;      my ($fd, $reply, $request) = @_;
     if (ref($reply)) {      if (ref($reply)) {
Line 6716  sub is_author { Line 6760  sub is_author {
   
     #  Author role should show up as a key /domain/_au      #  Author role should show up as a key /domain/_au
   
     my $key    = "/$domain/_au";  
     my $value;      my $value;
     if (defined($hashref)) {      if ($hashref) {
  $value = $hashref->{$key};  
     }  
   
     if(defined($value)) {   my $key    = "/$domain/_au";
  &Debug("$user @ $domain is an author");   if (defined($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($value);      return defined($value);
 }  }
 #  #
 #   Checks to see if the input roleput request was to set  #   Checks to see if the input roleput request was to set
 # an author role.  If so, invokes the lchtmldir script to set  # an author role.  If so, creates construction space 
 # up a correct public_html   
 # Parameters:  # Parameters:
 #    request   - The request sent to the rolesput subchunk.  #    request   - The request sent to the rolesput subchunk.
 #                We're looking for  /domain/_au  #                We're looking for  /domain/_au
Line 6741  sub is_author { Line 6792  sub is_author {
 #  #
 sub manage_permissions {  sub manage_permissions {
     my ($request, $domain, $user, $authtype) = @_;      my ($request, $domain, $user, $authtype) = @_;
   
     &Debug("manage_permissions: $request $domain $user $authtype");  
   
     # See if the request is of the form /$domain/_au      # See if the request is of the form /$domain/_au
     if($request =~ /^(\/\Q$domain\E\/_au)$/) { # It's an author rolesput...      if($request =~ /^(\/\Q$domain\E\/_au)$/) { # It's an author rolesput...
  my $execdir = $perlvar{'lonDaemons'};          my $path=$perlvar{'lonDocRoot'}."/priv/$domain";
  my $userhome= "/home/$user" ;          unless (-e $path) {        
  &logthis("system $execdir/lchtmldir $userhome $user $authtype");             mkdir($path);
  &Debug("Setting homedir permissions for $userhome");          }
  system("$execdir/lchtmldir $userhome $user $authtype");          unless (-e $path.'/'.$user) {
              mkdir($path.'/'.$user);
           }
     }      }
 }  }
   
Line 7283  sub change_unix_password { Line 7333  sub change_unix_password {
   
   
 sub make_passwd_file {  sub make_passwd_file {
     my ($uname, $umode,$npass,$passfilename)=@_;      my ($uname,$udom,$umode,$npass,$passfilename)=@_;
     my $result="ok";      my $result="ok";
     if ($umode eq 'krb4' or $umode eq 'krb5') {      if ($umode eq 'krb4' or $umode eq 'krb5') {
  {   {
Line 7324  sub make_passwd_file { Line 7374  sub make_passwd_file {
     #      #
     my $uid = getpwnam($uname);      my $uid = getpwnam($uname);
     if((defined $uid) && ($uid == 0)) {      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";   return "no_priv_account_error\n";
     }      }
   
Line 7336  sub make_passwd_file { Line 7386  sub make_passwd_file {
  &Debug("user  = ".$uname.", Password =". $npass);   &Debug("user  = ".$uname.", Password =". $npass);
  my $se = IO::File->new("|$execpath > $perlvar{'lonDaemons'}/logs/lcuseradd.log");   my $se = IO::File->new("|$execpath > $perlvar{'lonDaemons'}/logs/lcuseradd.log");
  print $se "$uname\n";   print $se "$uname\n";
                   print $se "$udom\n";
  print $se "$npass\n";   print $se "$npass\n";
  print $se "$npass\n";   print $se "$npass\n";
  print $se "$lc_error_file\n"; # Status -> unique file.   print $se "$lc_error_file\n"; # Status -> unique file.
Line 7429  sub get_usersession_config { Line 7480  sub get_usersession_config {
     return;      return;
 }  }
   
   #
   # releasereqd_check() will determine if a LON-CAPA version (defined in the
   # $major,$minor args passed) is not too old to allow use of a role in a 
   # course ($cnum,$cdom args passed), if at least one of the following applies: 
   # (a) the course is a Community, (b) the course's home server is *not* the
   # current server, or (c) cached course information is not stale. 
   #
   # For the case where none of these apply, the course is added to the 
   # $homecourse hash ref (keys = courseIDs, values = array of a hash of roles).
   # The $homecourse hash ref is for courses for which the current server is the 
   # home server.  LON-CAPA version requirements are checked elsewhere for the
   # items in $homecourse.
   #
   
 sub releasereqd_check {  sub releasereqd_check {
     my ($cnum,$cdom,$key,$value,$major,$minor,$homecourses,$ids) = @_;      my ($cnum,$cdom,$key,$value,$major,$minor,$homecourses,$ids) = @_;
     my $home = &Apache::lonnet::homeserver($cnum,$cdom);      my $home = &Apache::lonnet::homeserver($cnum,$cdom);
Line 7458  sub releasereqd_check { Line 7523  sub releasereqd_check {
         if (ref($ids) eq 'ARRAY') {          if (ref($ids) eq 'ARRAY') {
             if (grep(/^\Q$home\E$/,@{$ids})) {              if (grep(/^\Q$home\E$/,@{$ids})) {
                 if (ref($homecourses) eq 'HASH') {                  if (ref($homecourses) eq 'HASH') {
                     if (ref($homecourses->{$hashid}) eq 'ARRAY') {                      if (ref($homecourses->{$cdom}) eq 'HASH') {
                         push(@{$homecourses->{$hashid}},{$key=>$value});                          if (ref($homecourses->{$cdom}{$cnum}) eq 'HASH') {
                               if (ref($homecourses->{$cdom}{$cnum}) eq 'ARRAY') {
                                   push(@{$homecourses->{$cdom}{$cnum}},{$key=>$value});
                               } else {
                                   $homecourses->{$cdom}{$cnum} = [{$key=>$value}];
                               }
                           } else {
                               $homecourses->{$cdom}{$cnum} = [{$key=>$value}];
                           }
                     } else {                      } else {
                         $homecourses->{$hashid} = [{$key=>$value}];                          $homecourses->{$cdom}{$cnum} = [{$key=>$value}];
                     }                      }
                 }                  }
                 return;                  return;
Line 7480  sub releasereqd_check { Line 7553  sub releasereqd_check {
     return 1;      return 1;
 }  }
   
   # 
   # get_courseinfo_hash() is used to retrieve course information from the db
   # file: nohist_courseids.db for a course for which the current server is *not*
   # the home server.
   #
   # A hash of a hash will be retrieved. The outer hash contains a single key --
   # courseID -- for the course for which the data are being requested.
   # The contents of the inner hash, for that single item in the outer hash
   # are returned (and cached in memcache for 10 minutes).
   # 
   
 sub get_courseinfo_hash {  sub get_courseinfo_hash {
     my ($cnum,$cdom,$home) = @_;      my ($cnum,$cdom,$home) = @_;
     my %info;      my %info;
Line 7505  sub get_courseinfo_hash { Line 7589  sub get_courseinfo_hash {
     return;      return;
 }  }
   
   #
   # check_homecourses() will retrieve course information for those courses which
   # are keys of the $homecourses hash ref (first arg). The nohist_courseids.db 
   # GDBM file is tied and course information for each course retrieved. Last   
   # visit (lasttime key) is also retrieved for each, and cached values updated  
   # for any courses last visited less than 24 hours ago. Cached values are also
   # updated for any courses included in the $homecourses hash ref.
   #
   # The reason for the 24 hours constraint is that the cron entry in 
   # /etc/cron.d/loncapa for /home/httpd/perl/refresh_courseids_db.pl causes 
   # cached course information to be updated nightly for courses with activity
   # within the past 24 hours.
   #
   # Role information for the user (included in a ref to an array of hashes as the
   # value for each key in $homecourses) is appended to the result returned by the
   # routine, which will in turn be appended to the string returned to the client
   # hosting the user's session.
   # 
   
 sub check_homecourses {  sub check_homecourses {
     my ($homecourses,$udom,$regexp,$count,$range,$start,$end,$major,$minor) = @_;      my ($homecourses,$regexp,$count,$range,$start,$end,$major,$minor) = @_;
     my ($result,%addtocache);      my ($result,%addtocache);
     my $yesterday = time - 24*3600;       my $yesterday = time - 24*3600; 
     if (ref($homecourses) eq 'HASH') {      if (ref($homecourses) eq 'HASH') {
         my (%okcourses,%courseinfo,%recent);          my (%okcourses,%courseinfo,%recent);
         my $hashref = &tie_domain_hash($udom, "nohist_courseids", &GDBM_WRCREAT());          foreach my $domain (keys(%{$homecourses})) {
         if ($hashref) {              my $hashref = 
             while (my ($key,$value) = each(%$hashref)) {                  &tie_domain_hash($domain, "nohist_courseids", &GDBM_WRCREAT());
                 my $unesc_key = &unescape($key);              if (ref($hashref) eq 'HASH') {
                 if ($unesc_key =~ /^lasttime:(\w+)$/) {                  while (my ($key,$value) = each(%$hashref)) {
                     my $cid = $1;                      my $unesc_key = &unescape($key);
                     $cid =~ s/_/:/;                      if ($unesc_key =~ /^lasttime:(\w+)$/) {
                     if ($value > $yesterday ) {                          my $cid = $1;
                         $recent{$cid} = 1;                          $cid =~ s/_/:/;
                           if ($value > $yesterday ) {
                               $recent{$cid} = 1;
                           }
                           next;
                     }                      }
                     next;                      my $items = &Apache::lonnet::thaw_unescape($value);
                 }                      if (ref($items) eq 'HASH') {
                 my $items = &Apache::lonnet::thaw_unescape($value);                          my ($cdom,$cnum) = split(/_/,$unesc_key);
                 if (ref($items) eq 'HASH') {                          my $hashid = $cdom.':'.$cnum; 
                     my $hashid = $unesc_key;                          $courseinfo{$hashid} = $items;
                     $hashid =~ s/_/:/;                          if (ref($homecourses->{$cdom}{$cnum}) eq 'ARRAY') {
                     $courseinfo{$hashid} = $items;                              my ($reqdmajor,$reqdminor) = split(/\./,$items->{'releaserequired'});
                     if (ref($homecourses->{$hashid}) eq 'ARRAY') {                              if (&useable_role($reqdmajor,$reqdminor,$major,$minor)) {
                         my ($reqdmajor,$reqdminor) = split(/\./,$items->{'releaserequired'});                                 $okcourses{$hashid} = 1;
                         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 for $domain");
                   }
               } else {
                   &logthis("Failed to tie hash for nohist_courseids.db for $domain");
             }              }
             unless (&untie_domain_hash($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)) {          foreach my $hashid (keys(%recent)) {
             my ($result,$cached)=&Apache::lonnet::is_cached_new('courseinfo',$hashid);              my ($result,$cached)=&Apache::lonnet::is_cached_new('courseinfo',$hashid);
Line 7549  sub check_homecourses { Line 7654  sub check_homecourses {
                 &Apache::lonnet::do_cache_new('courseinfo',$hashid,$courseinfo{$hashid},600);                  &Apache::lonnet::do_cache_new('courseinfo',$hashid,$courseinfo{$hashid},600);
             }              }
         }          }
         foreach my $hashid (keys(%{$homecourses})) {          foreach my $cdom (keys(%{$homecourses})) {
             next if ($recent{$hashid});              if (ref($homecourses->{$cdom}) eq 'HASH') {
             &Apache::lonnet::do_cache_new('courseinfo',$hashid,$courseinfo{$hashid},600);                  foreach my $cnum (keys(%{$homecourses->{$cdom}})) {
                       my $hashid = $cdom.':'.$cnum;
                       next if ($recent{$hashid});
                       &Apache::lonnet::do_cache_new('courseinfo',$hashid,$courseinfo{$hashid},600);
                   }
               }
         }          }
         foreach my $hashid (keys(%okcourses)) {          foreach my $hashid (keys(%okcourses)) {
             if (ref($homecourses->{$hashid}) eq 'ARRAY') {              my ($cdom,$cnum) = split(/:/,$hashid);
                 foreach my $role (@{$homecourses->{$hashid}}) {              if ((ref($homecourses->{$cdom}) eq 'HASH') &&  
                   (ref($homecourses->{$cdom}{$cnum}) eq 'ARRAY')) {
                   foreach my $role (@{$homecourses->{$cdom}{$cnum}}) {
                     if (ref($role) eq 'HASH') {                      if (ref($role) eq 'HASH') {
                         while (my ($key,$value) = each(%{$role})) {                          while (my ($key,$value) = each(%{$role})) {
                             if ($regexp eq '.') {                              if ($regexp eq '.') {
Line 7581  sub check_homecourses { Line 7693  sub check_homecourses {
     return $result;      return $result;
 }  }
   
   #
   # useable_role() will compare the LON-CAPA version required by a course with 
   # the version available on the client server.  If the client server's version
   # is compatible, 1 will be returned.
   #
   
 sub useable_role {  sub useable_role {
     my ($reqdmajor,$reqdminor,$major,$minor) = @_;       my ($reqdmajor,$reqdminor,$major,$minor) = @_; 
     if ($reqdmajor ne '' && $reqdminor ne '') {      if ($reqdmajor ne '' && $reqdminor ne '') {
Line 7919  Authen::Krb5 Line 8037  Authen::Krb5
   
 =head1 COREQUISITES  =head1 COREQUISITES
   
   none
   
 =head1 OSNAMES  =head1 OSNAMES
   
 linux  linux
Line 8006  or the CA's certificate in the call to l Line 8126  or the CA's certificate in the call to l
 <error> is the textual reason this failed.  Usual reasons:  <error> is the textual reason this failed.  Usual reasons:
   
 =over 2  =over 2
          
 =item Apache config file for loncapa  incorrect:  =item Apache config file for loncapa  incorrect:
    
 one of the variables   one of the variables 
 lonCertificateDirectory, lonnetCertificateAuthority, or lonnetCertificate  lonCertificateDirectory, lonnetCertificateAuthority, or lonnetCertificate
 undefined or incorrect  undefined or incorrect
Line 8127  Could not rewrite the Line 8247  Could not rewrite the
 internal password file for a user  internal password file for a user
   
 =item Result of password change for <user> : <result>  =item Result of password change for <user> : <result>
                                                                        
 A unix password change for <user> was attempted   A unix password change for <user> was attempted 
 and the pipe returned <result>    and the pipe returned <result>  
   
Line 8156  lond has been asked to exit by its clien Line 8276  lond has been asked to exit by its clien
 client systemand <input> is the full exit command sent to the server.  client systemand <input> is the full exit command sent to the server.
   
 =item Red CRITICAL: ABNORMAL EXIT. child <pid> for server <hostname> died through a crass with this error->[<message>].  =item Red CRITICAL: ABNORMAL EXIT. child <pid> for server <hostname> died through a crass with this error->[<message>].
                                                    
 A lond child terminated.  NOte that this termination can also occur when the  A lond child terminated.  NOte that this termination can also occur when the
 child receives the QUIT or DIE signals.  <pid> is the process id of the child,  child receives the QUIT or DIE signals.  <pid> is the process id of the child,
 <hostname> the host lond is working for, and <message> the reason the child died  <hostname> the host lond is working for, and <message> the reason the child died
Line 8240  file when sent it's USR1 signal.  That p Line 8360  file when sent it's USR1 signal.  That p
 assumed to be hung in some un-fixable way.  assumed to be hung in some un-fixable way.
   
 =item Finished checking children                     =item Finished checking children                   
    
 Master processs's USR1 processing is cojmplete.  Master processs's USR1 processing is cojmplete.
   
 =item (Red) CRITICAL: ------- Starting ------              =item (Red) CRITICAL: ------- Starting ------            
Line 8254  Started a new child process for <client> Line 8374  Started a new child process for <client>
 connected to the child.  This was as a result of a TCP/IP connection from a client.  connected to the child.  This was as a result of a TCP/IP connection from a client.
   
 =item Unable to determine who caller was, getpeername returned nothing  =item Unable to determine who caller was, getpeername returned nothing
                                                     
 In child process initialization.  either getpeername returned undef or  In child process initialization.  either getpeername returned undef or
 a zero sized object was returned.  Processing continues, but in my opinion,  a zero sized object was returned.  Processing continues, but in my opinion,
 this should be cause for the child to exit.  this should be cause for the child to exit.
Line 8265  In child process initialization.  The pe Line 8385  In child process initialization.  The pe
 The client address is stored as "Unavailable" and processing continues.  The client address is stored as "Unavailable" and processing continues.
   
 =item (Yellow) INFO: Connection <ip> <name> connection type = <type>  =item (Yellow) INFO: Connection <ip> <name> connection type = <type>
                                                     
 In child initialization.  A good connectionw as received from <ip>.  In child initialization.  A good connectionw as received from <ip>.
   
 =over 2  =over 2
Line 8315  The client (<client> is the peer's name Line 8435  The client (<client> is the peer's name
 negotiated an SSL connection with this child process.  negotiated an SSL connection with this child process.
   
 =item (Green) Successful insecure authentication with <client>  =item (Green) Successful insecure authentication with <client>
                                                      
   
 The client has successfully negotiated an  insecure connection withthe child process.  The client has successfully negotiated an  insecure connection withthe child process.
   
Removed from v.1.480  
changed lines
  Added in v.1.491

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