Diff for /loncom/lond between versions 1.489.2.18 and 1.505

version 1.489.2.18, 2015/06/14 00:46:35 version 1.505, 2014/01/01 17:41:37
Line 621  sub ConfigFileFromSelector { Line 621  sub ConfigFileFromSelector {
 #     String to send to client ("ok" or "refused" if bad file).  #     String to send to client ("ok" or "refused" if bad file).
 #  #
 sub PushFile {  sub PushFile {
     my $request = shift;      my $request = shift;    
     my ($command, $filename, $contents) = split(":", $request, 3);      my ($command, $filename, $contents) = split(":", $request, 3);
     &Debug("PushFile");      &Debug("PushFile");
           
Line 651  sub PushFile { Line 651  sub PushFile {
   
     if($filename eq "host") {      if($filename eq "host") {
  $contents = AdjustHostContents($contents);   $contents = AdjustHostContents($contents);
     } elsif ($filename eq 'dns_host' || $filename eq 'dns_domain') {  
         if ($contents eq '') {  
             &logthis('<font color="red"> Pushfile: unable to install '  
                     .$tablefile." - no data received from push. </font>");  
             return 'error: push had no data';  
         }  
         if (&Apache::lonnet::get_host_ip($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('<font color="red"> Pushfile: unable to install '  
                             .$tablefile." - error attempting to pull data. </font>");  
                     return 'error: pull failed';  
                 } else {  
                     my $result = $response->content;  
                     chomp($result);  
                     unless ($result eq $contents) {  
                         &logthis('<font color="red"> Pushfile: unable to install '  
                                 .$tablefile." - pushed data and pulled data differ. </font>");  
                         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:      #  Install the new file:
Line 1932  sub authenticate_handler { Line 1894  sub authenticate_handler {
                 if (ref($hostedsession) eq 'HASH') {                  if (ref($hostedsession) eq 'HASH') {
                     $hosted = $hostedsession->{'hosted'};                      $hosted = $hostedsession->{'hosted'};
                 }                  }
                 my $loncaparev = $clientversion;  
                 if ($loncaparev eq '') {  
                     $loncaparev = $Apache::lonnet::loncaparevs{$clientname};  
                 }  
                 $canhost = &Apache::lonnet::can_host_session($udom,$clientname,                  $canhost = &Apache::lonnet::can_host_session($udom,$clientname,
                                                              $loncaparev,                                                               $clientversion,
                                                              $remote,$hosted);                                                               $remote,$hosted);
             }              }
         }          }
Line 2812  sub newput_user_profile_entry { Line 2770  sub newput_user_profile_entry {
     foreach my $pair (@pairs) {      foreach my $pair (@pairs) {
  my ($key,$value)=split(/=/,$pair);   my ($key,$value)=split(/=/,$pair);
  if (exists($hashref->{$key})) {   if (exists($hashref->{$key})) {
             if (!&untie_user_hash($hashref)) {  
                 &logthis("error: ".($!+0)." untie (GDBM) failed ".  
                          "while attempting newput - early out as key exists");  
             }  
     &Failure($client, "key_exists: ".$key."\n",$userinput);      &Failure($client, "key_exists: ".$key."\n",$userinput);
     return 1;      return 1;
  }   }
Line 3219  sub get_profile_keys { Line 3173  sub get_profile_keys {
 sub dump_profile_database {  sub dump_profile_database {
     my ($cmd, $tail, $client) = @_;      my ($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 $userinput = "$cmd:$tail";
         
     my ($udom,$uname,$namespace) = split(/:/,$tail);      my ($udom,$uname,$namespace) = split(/:/,$tail);
Line 3298  sub dump_with_regexp { Line 3263  sub dump_with_regexp {
     my ($cmd, $tail, $client) = @_;      my ($cmd, $tail, $client) = @_;
   
     my $res = LONCAPA::Lond::dump_with_regexp($tail, $clientversion);      my $res = LONCAPA::Lond::dump_with_regexp($tail, $clientversion);
       
     if ($res =~ /^error:/) {      if ($res =~ /^error:/) {
         &Failure($client, \$res, "$cmd:$tail");          Failure($client, \$res, "$cmd:$tail");
     } else {      } else {
         &Reply($client, \$res, "$cmd:$tail");          Reply($client, \$res, "$cmd:$tail");
     }      }
   
     return 1;      return 1;
Line 3319  sub dump_with_regexp { Line 3284  sub dump_with_regexp {
 #                          namespace   - Name of the database being modified  #                          namespace   - Name of the database being modified
 #                          rid         - Resource keyword to modify.  #                          rid         - Resource keyword to modify.
 #                          what        - new value associated with rid.  #                          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.  #    $client             - Socket open on the client.
 #  #
Line 3330  sub dump_with_regexp { Line 3292  sub dump_with_regexp {
 #      1 (keep on processing).  #      1 (keep on processing).
 #  Side-Effects:  #  Side-Effects:
 #    Writes to the client  #    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 $numtrans  
 #    is the number of store evevnts recorded for rid in namespace since  
 #    lonnet::store() was called by the client.  
 #  
 sub store_handler {  sub store_handler {
     my ($cmd, $tail, $client) = @_;      my ($cmd, $tail, $client) = @_;
     
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
   
     chomp($tail);      my ($udom,$uname,$namespace,$rid,$what) =split(/:/,$tail);
     my ($udom,$uname,$namespace,$rid,$what,$laststore) =split(/:/,$tail);  
     if ($namespace ne 'roles') {      if ($namespace ne 'roles') {
   
    chomp($what);
  my @pairs=split(/\&/,$what);   my @pairs=split(/\&/,$what);
  my $hashref  = &tie_user_hash($udom, $uname, $namespace,   my $hashref  = &tie_user_hash($udom, $uname, $namespace,
        &GDBM_WRCREAT(), "S",         &GDBM_WRCREAT(), "S",
        "$rid:$what");         "$rid:$what");
  if ($hashref) {   if ($hashref) {
     my $now = time;      my $now = time;
             my $numtrans;      my @previouskeys=split(/&/,$hashref->{"keys:$rid"});
             if ($laststore) {      my $key;
                 my ($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"}++;      $hashref->{"version:$rid"}++;
     my $version=$hashref->{"version:$rid"};      my $version=$hashref->{"version:$rid"};
     my $allkeys='';       my $allkeys=''; 
Line 3383  sub store_handler { Line 3321  sub store_handler {
     $allkeys.='timestamp';      $allkeys.='timestamp';
     $hashref->{"$version:keys:$rid"}=$allkeys;      $hashref->{"$version:keys:$rid"}=$allkeys;
     if (&untie_user_hash($hashref)) {      if (&untie_user_hash($hashref)) {
                 my $msg = 'ok';   &Reply($client, "ok\n", $userinput);
                 if ($numtrans) {  
                     $msg = 'delay:'.$numtrans;  
                 }  
                 &Reply($client, "$msg\n", $userinput);  
     } else {      } else {
  &Failure($client, "error: ".($!+0)." untie(GDBM) Failed ".   &Failure($client, "error: ".($!+0)." untie(GDBM) Failed ".
  "while attempting store\n", $userinput);   "while attempting store\n", $userinput);
Line 3904  sub put_course_id_hash_handler { Line 3838  sub put_course_id_hash_handler {
 #  #
 #                 domcloner - flag to indicate if user can create CCs in course's domain.  #                 domcloner - flag to indicate if user can create CCs in course's domain.
 #                             If so, ability to clone course is automatic.  #                             If so, ability to clone course is automatic.
 #                 hasuniquecode - filter by courses for which a six character unique code has  #                 hasuniquecode - filter by courses for which a six character unique code has 
 #                                 been set.  #                                 been set.
 #  #
 #     $client  - The socket open on the client.  #     $client  - The socket open on the client.
Line 3914  sub put_course_id_hash_handler { Line 3848  sub put_course_id_hash_handler {
 #   a reply is written to $client.  #   a reply is written to $client.
 sub dump_course_id_handler {  sub dump_course_id_handler {
     my ($cmd, $tail, $client) = @_;      my ($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 $userinput = "$cmd:$tail";
   
     my ($udom,$since,$description,$instcodefilter,$ownerfilter,$coursefilter,      my ($udom,$since,$description,$instcodefilter,$ownerfilter,$coursefilter,
Line 4520  sub get_id_handler { Line 4465  sub get_id_handler {
 # Returns:  # Returns:
 #     1   - Continue processing  #     1   - Continue processing
 #     0   - Exit server.  #     0   - Exit server.
 #  #     
 #  #
   
 sub del_id_handler {  sub del_id_handler {
Line 5318  sub crsreq_checks_handler { Line 5263  sub crsreq_checks_handler {
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
     my $dom = $tail;      my $dom = $tail;
     my $result;      my $result;
     my @reqtypes = ('official','unofficial','community','textbook');      my @reqtypes = ('official','unofficial','community');
     eval {      eval {
         local($SIG{__DIE__})='DEFAULT';          local($SIG{__DIE__})='DEFAULT';
         my %validations;          my %validations;
Line 5345  sub crsreq_checks_handler { Line 5290  sub crsreq_checks_handler {
 sub validate_crsreq_handler {  sub validate_crsreq_handler {
     my ($cmd, $tail, $client) = @_;      my ($cmd, $tail, $client) = @_;
     my $userinput = "$cmd:$tail";      my $userinput = "$cmd:$tail";
     my ($dom,$owner,$crstype,$inststatuslist,$instcode,$instseclist,$customdata) = split(/:/, $tail);      my ($dom,$owner,$crstype,$inststatuslist,$instcode,$instseclist) = split(/:/, $tail);
     $instcode = &unescape($instcode);      $instcode = &unescape($instcode);
     $owner = &unescape($owner);      $owner = &unescape($owner);
     $crstype = &unescape($crstype);      $crstype = &unescape($crstype);
     $inststatuslist = &unescape($inststatuslist);      $inststatuslist = &unescape($inststatuslist);
     $instcode = &unescape($instcode);      $instcode = &unescape($instcode);
     $instseclist = &unescape($instseclist);      $instseclist = &unescape($instseclist);
     my $custominfo = &Apache::lonnet::thaw_unescape($customdata);  
     my $outcome;      my $outcome;
     eval {      eval {
         local($SIG{__DIE__})='DEFAULT';          local($SIG{__DIE__})='DEFAULT';
         $outcome = &localenroll::validate_crsreq($dom,$owner,$crstype,          $outcome = &localenroll::validate_crsreq($dom,$owner,$crstype,
                                                  $inststatuslist,$instcode,                                                   $inststatuslist,$instcode,
                                                  $instseclist,$custominfo);                                                   $instseclist);
     };      };
     if (!$@) {      if (!$@) {
         &Reply($client, \$outcome, $userinput);          &Reply($client, \$outcome, $userinput);
Line 5369  sub validate_crsreq_handler { Line 5313  sub validate_crsreq_handler {
 }  }
 &register_handler("autocrsreqvalidation", \&validate_crsreq_handler, 0, 1, 0);  &register_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;  
 }  
 &register_handler("autocrsrequpdate", \&crsreq_update_handler, 0, 1, 0);  
   
 #  #
 #   Read and retrieve institutional code format (for support form).  #   Read and retrieve institutional code format (for support form).
 # Formal Parameters:  # Formal Parameters:
Line 6363  sub Debug { Line 6260  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 6608  sub make_new_child { Line 6508  sub make_new_child {
 #        my $tmpsnum=0;            # Now global  #        my $tmpsnum=0;            # Now global
 #---------------------------------------------------- kerberos 5 initialization  #---------------------------------------------------- kerberos 5 initialization
         &Authen::Krb5::init_context();          &Authen::Krb5::init_context();
    unless (($dist eq 'fedora5') || ($dist eq 'fedora4') ||  
         my $no_ets;   ($dist eq 'fedora6') || ($dist eq 'suse9.3') ||
         if ($dist =~ /^(?:centos|rhes|scientific)(\d+)$/) {                  ($dist eq 'suse12.2') || ($dist eq 'suse12.3') ||
             if ($1 >= 7) {                  ($dist eq 'suse13.1')) {
                 $no_ets = 1;      &Authen::Krb5::init_ets();
             }   }
         } elsif ($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();  
         }  
   
  &status('Accepted connection');   &status('Accepted connection');
 # =============================================================================  # =============================================================================
Line 6672  sub make_new_child { Line 6556  sub make_new_child {
  #   #
  #  If the remote is attempting a local init... give that a try:   #  If the remote is attempting a local init... give that a try:
  #   #
           logthis("remotereq: $remotereq");
  (my $i, my $inittype, $clientversion) = split(/:/, $remotereq);   (my $i, my $inittype, $clientversion) = split(/:/, $remotereq);
                 # For LON-CAPA 2.9, the  client session will have sent its LON-CAPA          # 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,          # version when initiating the connection. For LON-CAPA 2.8 and older,
                 # the version is retrieved from the global %loncaparevs in lonnet.pm.          # the version is retrieved from the global %loncaparevs in lonnet.pm.            
                 # $clientversion contains path to keyfile if $inittype eq 'local'          # $clientversion contains path to keyfile if $inittype eq 'local'
                 # it's overridden below in this case          # it's overridden below in this case
                 $clientversion ||= $Apache::lonnet::loncaparevs{$clientname};          $clientversion ||= $Apache::lonnet::loncaparevs{$clientname};
   
  # If the connection type is ssl, but I didn't get my   # If the connection type is ssl, but I didn't get my
  # certificate files yet, then I'll drop  back to    # certificate files yet, then I'll drop  back to 
Line 7495  sub get_usersession_config { Line 7380  sub get_usersession_config {
 }  }
   
   
   
   
 sub distro_and_arch {  sub distro_and_arch {
     return $dist.':'.$arch;      return $dist.':'.$arch;
 }  }
Line 7823  Authen::Krb5 Line 7710  Authen::Krb5
   
 =head1 COREQUISITES  =head1 COREQUISITES
   
   none
   
 =head1 OSNAMES  =head1 OSNAMES
   
 linux  linux
Line 7910  or the CA's certificate in the call to l Line 7799  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 8031  Could not rewrite the Line 7920  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 8060  lond has been asked to exit by its clien Line 7949  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 8144  file when sent it's USR1 signal.  That p Line 8033  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 8158  Started a new child process for <client> Line 8047  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 8169  In child process initialization.  The pe Line 8058  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 8219  The client (<client> is the peer's name Line 8108  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.1.489.2.18  
changed lines
  Added in v.1.505


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