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Diff for /loncom/lond between versions 1.283 and 1.288

version 1.283, 2005/05/02 23:34:41 version 1.288, 2005/06/27 14:16:30
Line 112  my %Dispatcher; Line 112  my %Dispatcher;
 #  #
 my $lastpwderror    = 13; # Largest error number from lcpasswd.  my $lastpwderror    = 13; # Largest error number from lcpasswd.
 my @passwderrors = ("ok",  my @passwderrors = ("ok",
    "lcpasswd must be run as user 'www'",     "pwchange_failure - lcpasswd must be run as user 'www'",
    "lcpasswd got incorrect number of arguments",     "pwchange_failure - lcpasswd got incorrect number of arguments",
    "lcpasswd did not get the right nubmer of input text lines",     "pwchange_failure - lcpasswd did not get the right nubmer of input text lines",
    "lcpasswd too many simultaneous pwd changes in progress",     "pwchange_failure - lcpasswd too many simultaneous pwd changes in progress",
    "lcpasswd User does not exist.",     "pwchange_failure - lcpasswd User does not exist.",
    "lcpasswd Incorrect current passwd",     "pwchange_failure - lcpasswd Incorrect current passwd",
    "lcpasswd Unable to su to root.",     "pwchange_failure - lcpasswd Unable to su to root.",
    "lcpasswd Cannot set new passwd.",     "pwchange_failure - lcpasswd Cannot set new passwd.",
    "lcpasswd Username has invalid characters",     "pwchange_failure - lcpasswd Username has invalid characters",
    "lcpasswd Invalid characters in password",     "pwchange_failure - lcpasswd Invalid characters in password",
    "lcpasswd User already exists",      "pwchange_failure - lcpasswd User already exists", 
                    "lcpasswd Something went wrong with user addition.",                     "pwchange_failure - lcpasswd Something went wrong with user addition.",
     "lcpasswd Password mismatch",     "pwchange_failure - lcpasswd Password mismatch",
     "lcpasswd Error filename is invalid");     "pwchange_failure - lcpasswd Error filename is invalid");
   
   
 #  The array below are lcuseradd error strings.:  #  The array below are lcuseradd error strings.:
Line 1701  sub change_password_handler { Line 1701  sub change_password_handler {
  &Failure( $client, "non_authorized\n",$userinput);   &Failure( $client, "non_authorized\n",$userinput);
     }      }
  } elsif ($howpwd eq 'unix') {   } elsif ($howpwd eq 'unix') {
     # Unix means we have to access /etc/password      my $result = &change_unix_password($uname, $npass);
     &Debug("auth is unix");  
     my $execdir=$perlvar{'lonDaemons'};  
     &Debug("Opening lcpasswd pipeline");  
     my $pf = IO::File->new("|$execdir/lcpasswd > "  
    ."$perlvar{'lonDaemons'}"  
    ."/logs/lcpasswd.log");  
     print $pf "$uname\n$npass\n$npass\n";  
     close $pf;  
     my $err = $?;  
     my $result = ($err>0 ? 'pwchange_failure' : 'ok');  
     &logthis("Result of password change for $uname: ".      &logthis("Result of password change for $uname: ".
      &lcpasswdstrerror($?));       $result);
     &Reply($client, "$result\n", $userinput);      &Reply($client, "$result\n", $userinput);
  } else {   } else {
     # this just means that the current password mode is not      # this just means that the current password mode is not
Line 1812  sub add_user_handler { Line 1802  sub add_user_handler {
 # Implicit inputs:  # Implicit inputs:
 #    The authentication systems describe above have their own forms of implicit  #    The authentication systems describe above have their own forms of implicit
 #    input into the authentication process that are described above.  #    input into the authentication process that are described above.
   # NOTE:
   #   This is also used to change the authentication credential values (e.g. passwd).
   #   
 #  #
 sub change_authentication_handler {  sub change_authentication_handler {
   
Line 1831  sub change_authentication_handler { Line 1824  sub change_authentication_handler {
  my $oldauth = &get_auth_type($udom, $uname); # Get old auth info.   my $oldauth = &get_auth_type($udom, $uname); # Get old auth info.
  my $passfilename = &password_path($udom, $uname);   my $passfilename = &password_path($udom, $uname);
  if ($passfilename) { # Not allowed to create a new user!!   if ($passfilename) { # Not allowed to create a new user!!
     my $result=&make_passwd_file($uname, $umode,$npass,$passfilename);      # If just changing the unix passwd. need to arrange to run
     #      # passwd since otherwise make_passwd_file will run
     #  If the current auth mode is internal, and the old auth mode was      # lcuseradd which fails if an account already exists
     #  unix, or krb*,  and the user is an author for this domain,      # (to prevent an unscrupulous LONCAPA admin from stealing
     #  re-run manage_permissions for that role in order to be able      # an existing account by overwriting it as a LonCAPA account).
     #  to take ownership of the construction space back to www:www  
     #      if(($oldauth =~/^unix/) && ($umode eq "unix")) {
    my $result = &change_unix_password($uname, $npass);
     if( (($oldauth =~ /^unix/) && ($umode eq "internal")) ||   &logthis("Result of password change for $uname: ".$result);
  (($oldauth =~ /^internal/) && ($umode eq "unix")) ) {    if ($result eq "ok") {
  if(&is_author($udom, $uname)) {      &Reply($client, "$result\n")
     &Debug(" Need to manage author permissions...");   } else {
     &manage_permissions("/$udom/_au", $udom, $uname, "$umode:");      &Failure($client, "$result\n");
    }
       } else {
    my $result=&make_passwd_file($uname, $umode,$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,
    #  re-run manage_permissions for that role in order to be able
    #  to take ownership of the construction space back to www:www
    #
   
   
    if( (($oldauth =~ /^unix/) && ($umode eq "internal")) ||
       (($oldauth =~ /^internal/) && ($umode eq "unix")) ) { 
       if(&is_author($udom, $uname)) {
    &Debug(" Need to manage author permissions...");
    &manage_permissions("/$udom/_au", $udom, $uname, "$umode:");
       }
  }   }
    &Reply($client, $result, $userinput);
     }      }
                 
   
     &Reply($client, $result, $userinput);  
  } else {          } else {       
     &Failure($client, "non_authorized\n", $userinput); # Fail the user now.      &Failure($client, "non_authorized\n", $userinput); # Fail the user now.
  }   }
Line 2445  sub increment_user_value_handler { Line 2455  sub increment_user_value_handler {
     my @pairs=split(/\&/,$what);      my @pairs=split(/\&/,$what);
     foreach my $pair (@pairs) {      foreach my $pair (@pairs) {
  my ($key,$value)=split(/=/,$pair);   my ($key,$value)=split(/=/,$pair);
                   $value = &unescape($value);
  # We could check that we have a number...   # We could check that we have a number...
  if (! defined($value) || $value eq '') {   if (! defined($value) || $value eq '') {
     $value = 1;      $value = 1;
  }   }
  $hashref->{$key}+=$value;   $hashref->{$key}+=$value;
                   if ($namespace eq 'nohist_resourcetracker') {
                       if ($hashref->{$key} < 0) {
                           $hashref->{$key} = 0;
                       }
                   }
     }      }
     if (untie(%$hashref)) {      if (untie(%$hashref)) {
  &Reply( $client, "ok\n", $userinput);   &Reply( $client, "ok\n", $userinput);
Line 4762  $SIG{USR2} = \&UpdateHosts; Line 4778  $SIG{USR2} = \&UpdateHosts;
   
 ReadHostTable;  ReadHostTable;
   
   my $dist=`$perlvar{'lonDaemons'}/distprobe`;
   
 # --------------------------------------------------------------  # --------------------------------------------------------------
 #   Accept connections.  When a connection comes in, it is validated  #   Accept connections.  When a connection comes in, it is validated
 #   and if good, a child process is created to process transactions  #   and if good, a child process is created to process transactions
Line 4837  sub make_new_child { Line 4855  sub make_new_child {
 #        my $tmpsnum=0;            # Now global  #        my $tmpsnum=0;            # Now global
 #---------------------------------------------------- kerberos 5 initialization  #---------------------------------------------------- kerberos 5 initialization
         &Authen::Krb5::init_context();          &Authen::Krb5::init_context();
         &Authen::Krb5::init_ets();   if ($dist ne 'fedora4') {
       &Authen::Krb5::init_ets();
    }
   
  &status('Accepted connection');   &status('Accepted connection');
 # =============================================================================  # =============================================================================
Line 5493  sub subscribe { Line 5513  sub subscribe {
     }      }
     return $result;      return $result;
 }  }
   #  Change the passwd of a unix user.  The caller must have
   #  first verified that the user is a loncapa user.
   #
   # Parameters:
   #    user      - Unix user name to change.
   #    pass      - New password for the user.
   # Returns:
   #    ok    - if success
   #    other - Some meaningfule error message string.
   # NOTE:
   #    invokes a setuid script to change the passwd.
   sub change_unix_password {
       my ($user, $pass) = @_;
   
       &Debug("change_unix_password");
       my $execdir=$perlvar{'lonDaemons'};
       &Debug("Opening lcpasswd pipeline");
       my $pf = IO::File->new("|$execdir/lcpasswd > "
      ."$perlvar{'lonDaemons'}"
      ."/logs/lcpasswd.log");
       print $pf "$user\n$pass\n$pass\n";
       close $pf;
       my $err = $?;
       return ($err < @passwderrors) ? $passwderrors[$err] : 
    "pwchange_falure - unknown error";
   
       
   }
   
   
 sub make_passwd_file {  sub make_passwd_file {
     my ($uname, $umode,$npass,$passfilename)=@_;      my ($uname, $umode,$npass,$passfilename)=@_;
Line 5552  sub make_passwd_file { Line 5601  sub make_passwd_file {
  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.
     }      }
     my $error = IO::File->new("< $lc_error_file");      if (-r $lc_error_file) {
     my $useraddok = <$error>;   &Debug("Opening error file: $lc_error_file");
     $error->close;   my $error = IO::File->new("< $lc_error_file");
     unlink($lc_error_file);   my $useraddok = <$error>;
    $error->close;
     chomp $useraddok;   unlink($lc_error_file);
   
     if($useraddok > 0) {   chomp $useraddok;
  my $error_text = &lcuseraddstrerror($useraddok);  
  &logthis("Failed lcuseradd: $error_text");   if($useraddok > 0) {
  $result = "lcuseradd_failed:$error_text\n";      my $error_text = &lcuseraddstrerror($useraddok);
     }  else {      &logthis("Failed lcuseradd: $error_text");
  my $pf = IO::File->new(">$passfilename");      $result = "lcuseradd_failed:$error_text\n";
  if($pf) {   }  else {
     print $pf "unix:\n";      my $pf = IO::File->new(">$passfilename");
  } else {      if($pf) {
     $result = "pass_file_failed_error";   print $pf "unix:\n";
       } else {
    $result = "pass_file_failed_error";
       }
  }   }
       }  else {
    &Debug("Could not locate lcuseradd error: $lc_error_file");
    $result="bug_lcuseradd_no_output_file";
     }      }
  }   }
     } elsif ($umode eq 'none') {      } elsif ($umode eq 'none') {
Removed from v.1.283  
changed lines
  Added in v.1.288

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