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Diff for /loncom/lond between versions 1.526 and 1.529

version 1.526, 2016/09/20 23:48:07 version 1.529, 2016/09/24 15:35:25
Line 267  my %trust = ( Line 267  my %trust = (
                restore => {remote => 1, enroll => 1, reqcrs => 1,},                 restore => {remote => 1, enroll => 1, reqcrs => 1,},
                rolesdel => {remote => 1, enroll => 1, domroles => 1, coaurem => 1},                 rolesdel => {remote => 1, enroll => 1, domroles => 1, coaurem => 1},
                rolesput => {remote => 1, enroll => 1, domroles => 1, coaurem => 1},                 rolesput => {remote => 1, enroll => 1, domroles => 1, coaurem => 1},
                serverdistarch => {manageronly => 1},                 servercerts => {institutiononly => 1},
                  serverdistarch => {anywhere => 1},
                serverhomeID => {anywhere => 1},                 serverhomeID => {anywhere => 1},
                serverloncaparev => {anywhere => 1},                 serverloncaparev => {anywhere => 1},
                servertimezone => {remote => 1, enroll => 1},                 servertimezone => {remote => 1, enroll => 1},
Line 1567  sub du2_handler { Line 1568  sub du2_handler {
 #    selected directory the filename followed by the full output of  #    selected directory the filename followed by the full output of
 #    the stat function is returned.  The returned info for each  #    the stat function is returned.  The returned info for each
 #    file are separated by ':'.  The stat fields are separated by &'s.  #    file are separated by ':'.  The stat fields are separated by &'s.
   #
   #    If the requested path contains /../ or is:
   #
   #    1. for a directory, and the path does not begin with one of:
   #        (a) /home/httpd/html/res/<domain>/
   #        (b) /home/httpd/html/res/userfiles/
   #        (c) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/userfiles
   #    or is:
   #
   #    2. for a file, and the path (after prepending) does not begin with:
   #    /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/
   #
   #    the response will be "refused".
   #
 # Parameters:  # Parameters:
 #    $cmd        - The command that dispatched us (ls).  #    $cmd        - The command that dispatched us (ls).
 #    $ulsdir     - The directory path to list... I'm not sure what this  #    $ulsdir     - The directory path to list... I'm not sure what this
Line 1588  sub ls_handler { Line 1603  sub ls_handler {
     my $rights;      my $rights;
     my $ulsout='';      my $ulsout='';
     my $ulsfn;      my $ulsfn;
       if ($ulsdir =~m{/\.\./}) {
           &Failure($client,"refused\n",$userinput);
           return 1;
       }
     if (-e $ulsdir) {      if (-e $ulsdir) {
  if(-d $ulsdir) {   if(-d $ulsdir) {
               unless (($ulsdir =~ m{/home/httpd/html/(res/$LONCAPA::match_domain|userfiles)/}) ||
                       ($ulsdir =~ m{/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_username/userfiles/})) {
                   &Failure($client,"refused\n",$userinput);
                   return 1;
               }
     if (opendir(LSDIR,$ulsdir)) {      if (opendir(LSDIR,$ulsdir)) {
  while ($ulsfn=readdir(LSDIR)) {   while ($ulsfn=readdir(LSDIR)) {
     undef($obs);      undef($obs);
Line 1613  sub ls_handler { Line 1637  sub ls_handler {
  closedir(LSDIR);   closedir(LSDIR);
     }      }
  } else {   } else {
               unless ($ulsdir =~ m{/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_username/}) {
                   &Failure($client,"refused\n",$userinput);
                   return 1;
               }
     my @ulsstats=stat($ulsdir);      my @ulsstats=stat($ulsdir);
     $ulsout.=$ulsfn.'&'.join('&',@ulsstats).':';      $ulsout.=$ulsfn.'&'.join('&',@ulsstats).':';
  }   }
Line 1637  sub ls_handler { Line 1665  sub ls_handler {
 #    selected directory the filename followed by the full output of  #    selected directory the filename followed by the full output of
 #    the stat function is returned.  The returned info for each  #    the stat function is returned.  The returned info for each
 #    file are separated by ':'.  The stat fields are separated by &'s.  #    file are separated by ':'.  The stat fields are separated by &'s.
   #
   #    If the requested path contains /../ or is:
   #
   #    1. for a directory, and the path does not begin with one of:
   #        (a) /home/httpd/html/res/<domain>/
   #        (b) /home/httpd/html/res/userfiles/
   #        (c) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/userfiles
   #    or is:
   #
   #    2. for a file, and the path (after prepending) does not begin with:
   #    /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/
   #
   #    the response will be "refused".
   #
 # Parameters:  # Parameters:
 #    $cmd        - The command that dispatched us (ls).  #    $cmd        - The command that dispatched us (ls).
 #    $ulsdir     - The directory path to list... I'm not sure what this  #    $ulsdir     - The directory path to list... I'm not sure what this
Line 1657  sub ls2_handler { Line 1699  sub ls2_handler {
     my $rights;      my $rights;
     my $ulsout='';      my $ulsout='';
     my $ulsfn;      my $ulsfn;
       if ($ulsdir =~m{/\.\./}) {
           &Failure($client,"refused\n",$userinput);
           return 1;
       }
     if (-e $ulsdir) {      if (-e $ulsdir) {
         if(-d $ulsdir) {          if(-d $ulsdir) {
               unless (($ulsdir =~ m{/home/httpd/html/(res/$LONCAPA::match_domain|userfiles)/}) ||
                       ($ulsdir =~ m{/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_username/userfiles/})) {
                   &Failure($client,"refused\n","$userinput");
                   return 1;
               }
             if (opendir(LSDIR,$ulsdir)) {              if (opendir(LSDIR,$ulsdir)) {
                 while ($ulsfn=readdir(LSDIR)) {                  while ($ulsfn=readdir(LSDIR)) {
                     undef($obs);                      undef($obs);
Line 1683  sub ls2_handler { Line 1734  sub ls2_handler {
                 closedir(LSDIR);                  closedir(LSDIR);
             }              }
         } else {          } else {
               unless ($ulsdir =~ m{/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_username/}) {
                   &Failure($client,"refused\n",$userinput);
                   return 1;
               }
             my @ulsstats=stat($ulsdir);              my @ulsstats=stat($ulsdir);
             $ulsout.=$ulsfn.'&'.join('&',@ulsstats).':';              $ulsout.=$ulsfn.'&'.join('&',@ulsstats).':';
         }          }
Line 1699  sub ls2_handler { Line 1754  sub ls2_handler {
 #    selected directory the filename followed by the full output of  #    selected directory the filename followed by the full output of
 #    the stat function is returned.  The returned info for each  #    the stat function is returned.  The returned info for each
 #    file are separated by ':'.  The stat fields are separated by &'s.  #    file are separated by ':'.  The stat fields are separated by &'s.
   #
   #    If the requested path (after prepending) contains /../ or is:
   #
   #    1. for a directory, and the path does not begin with one of:
   #        (a) /home/httpd/html/res/<domain>/
   #        (b) /home/httpd/html/res/userfiles/
   #        (c) /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/userfiles
   #        (d) /home/httpd/html/priv/<domain>/ and client is the homeserver
   #
   #    or is: 
   #
   #    2. for a file, and the path (after prepending) does not begin with:
   #    /home/httpd/lonUsers/<domain>/<1>/<2>/<3>/<username>/
   #
   #    the response will be "refused".
   #
 # Parameters:  # Parameters:
 #    $cmd        - The command that dispatched us (ls).  #    $cmd        - The command that dispatched us (ls).
 #    $tail       - The tail of the request that invoked us.  #    $tail       - The tail of the request that invoked us.
Line 1738  sub ls3_handler { Line 1809  sub ls3_handler {
     }      }
   
     my $dir_root = $perlvar{'lonDocRoot'};      my $dir_root = $perlvar{'lonDocRoot'};
     if ($getpropath) {      if (($getpropath) || ($getuserdir)) {
         if (($uname =~ /^$LONCAPA::match_name$/) && ($udom =~ /^$LONCAPA::match_domain$/)) {          if (($uname =~ /^$LONCAPA::match_name$/) && ($udom =~ /^$LONCAPA::match_domain$/)) {
             $dir_root = &propath($udom,$uname);              $dir_root = &propath($udom,$uname);
             $dir_root =~ s/\/$//;              $dir_root =~ s/\/$//;
         } else {          } else {
             &Failure($client,"refused\n","$cmd:$tail");              &Failure($client,"refused\n",$userinput);
             return 1;  
         }  
     } elsif ($getuserdir) {  
         if (($uname =~ /^$LONCAPA::match_name$/) && ($udom =~ /^$LONCAPA::match_domain$/)) {  
             my $subdir=$uname.'__';  
             $subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/;  
             $dir_root = $Apache::lonnet::perlvar{'lonUsersDir'}  
                        ."/$udom/$subdir/$uname";  
         } else {  
             &Failure($client,"refused\n","$cmd:$tail");  
             return 1;              return 1;
         }          }
     } elsif ($alternate_root ne '') {      } elsif ($alternate_root ne '') {
Line 1766  sub ls3_handler { Line 1827  sub ls3_handler {
             $ulsdir = $dir_root.'/'.$ulsdir;              $ulsdir = $dir_root.'/'.$ulsdir;
         }          }
     }      }
       if ($ulsdir =~m{/\.\./}) {
           &Failure($client,"refused\n",$userinput);
           return 1;
       }
       my $islocal;
       my @machine_ids = &Apache::lonnet::current_machine_ids();
       if (grep(/^\Q$clientname\E$/,@machine_ids)) {
           $islocal = 1;
       }
     my $obs;      my $obs;
     my $rights;      my $rights;
     my $ulsout='';      my $ulsout='';
     my $ulsfn;      my $ulsfn;
     if (-e $ulsdir) {      if (-e $ulsdir) {
         if(-d $ulsdir) {          if(-d $ulsdir) {
               unless (($getpropath) || ($getuserdir) ||
                       ($ulsdir =~ m{/home/httpd/html/(res/$LONCAPA::match_domain|userfiles)/}) ||
                       ($ulsdir =~ m{/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_username/userfiles/}) ||
                       (($ulsdir =~ m{/home/httpd/html/priv/$LONCAPA::match_domain/}) && ($islocal))) {
                   &Failure($client,"refused\n",$userinput);
                   return 1;
               }
             if (opendir(LSDIR,$ulsdir)) {              if (opendir(LSDIR,$ulsdir)) {
                 while ($ulsfn=readdir(LSDIR)) {                  while ($ulsfn=readdir(LSDIR)) {
                     undef($obs);                      undef($obs);
Line 1796  sub ls3_handler { Line 1873  sub ls3_handler {
                 closedir(LSDIR);                  closedir(LSDIR);
             }              }
         } else {          } else {
               unless (($getpropath) || ($getuserdir) ||
                       ($ulsdir =~ m{/home/httpd/lonUsers/$LONCAPA::match_domain(?:/[\w\-.@]){3}/$LONCAPA::match_username/})) {
                   &Failure($client,"refused\n",$userinput);
                   return 1;
               }
             my @ulsstats=stat($ulsdir);              my @ulsstats=stat($ulsdir);
             $ulsout.=$ulsfn.'&'.join('&',@ulsstats).':';              $ulsout.=$ulsfn.'&'.join('&',@ulsstats).':';
         }          }
Removed from v.1.526  
changed lines
  Added in v.1.529

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