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best wishes to all.

    1: <!DOCTYPE piml PUBLIC "-//TUX/DTD piml 1.0 Final//EN" 
    2: 	"http://lpml.sourceforge.net/DTD/piml.dtd">
    3: <!-- sanitycheck.piml -->
    4: 
    5: <!-- $Id: sanitycheck.piml,v 1.13 2003/02/03 18:03:51 harris41 Exp $ -->
    6: 
    7: <!--
    8: 
    9: This file is part of the LearningOnline Network with CAPA (LON-CAPA).
   10: 
   11: LON-CAPA is free software; you can redistribute it and/or modify
   12: it under the terms of the GNU General Public License as published by
   13: the Free Software Foundation; either version 2 of the License, or
   14: (at your option) any later version.
   15: 
   16: LON-CAPA is distributed in the hope that it will be useful,
   17: but WITHOUT ANY WARRANTY; without even the implied warranty of
   18: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   19: GNU General Public License for more details.
   20: 
   21: You should have received a copy of the GNU General Public License
   22: along with LON-CAPA; if not, write to the Free Software
   23: Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   24: 
   25: /home/httpd/html/adm/gpl.txt
   26: 
   27: http://www.lon-capa.org/
   28: 
   29: -->
   30: 
   31: <piml>
   32: <targetroot>/</targetroot>
   33: <files>
   34: <file>
   35: <target dist='default'>/etc/hosts</target>
   36: <perlscript mode='fg'>
   37: unless
   38:     (-e '<TARGET />') # Does file exist?
   39:   {
   40:     print("**** ERROR **** Missing <TARGET />\n");
   41:   }
   42: else
   43:   {
   44:     my $numentries = `grep -v '^#' <TARGET /> | grep -c '[[:alpha:]]'`;
   45:     if ($numentries == 1)
   46:       {
   47:         print("**** ERROR **** Malformatted <TARGET />\n");
   48:         print("<TARGET /> typically should have at least two entries, ".
   49: 	      "e.g.:\n");
   50: 	print("127.0.0.1               localhost.localdomain localhost\n");
   51: 	print("35.8.63.26              s16.lite.msu.edu s16\n");
   52:         print("The <TARGET /> file on your machine looks like it was \n".
   53: 	      "messed up due to a common bug with RedHat installations.\n".
   54: 	      "(This weird bug is RedHat's fault, not LON-CAPA's.)\n");
   55:         print("Please read the man pages about \"hosts\" and fix your\n".
   56: 	      "<TARGET /> file.\n");
   57:       }
   58:   }
   59: </perlscript>
   60: </file>
   61: <file>
   62: <target dist='default'>/var/lib/mysql/mysql.sock</target>
   63: <perlscript mode='fg'>
   64: unless
   65:     (-e '<TARGET />') # Does file exist?
   66:   {
   67:     print("**** ERROR **** Missing <TARGET />\n");
   68:   }
   69: else # It exists, so look at the file metadata more closely.
   70:   {
   71:     my @s = stat('<TARGET />');
   72:     my $uid = $s[4];
   73:     my $mode = $s[2];
   74:     my $web_uid = getpwnam('www');
   75:     my $smode = sprintf("%04o",$mode & 07777);
   76: 
   77:     if ($uid ne $web_uid) # If file owned by someone else other than www.
   78:       {
   79: 	print('**** ERROR **** <TARGET /> should be owned by'.
   80: 	      ' www.'."\n".'Try these commands to make things right:'."\n".
   81: 	      'chown www:www <TARGET />'."\n".
   82: 	      'chmod a-rwx,u+rwx <TARGET />'."\n");
   83:       }
   84:     else # Check permissions on the file to make sure it is private to www.
   85:       {
   86: 	$smode =~ /^.(.)..$/;
   87: 	my $wflag = $1;
   88: 	if ($wflag != 7) # Can www use this socket?  (Hope so!)
   89: 	  {
   90: 	    print('**** ERROR **** '.
   91: 	      '<TARGET /> should be user "rwx" (by'.
   92: 	      ' www).'."\n".'Try these commands to make things right:'."\n".
   93: 	      'chown www:www <TARGET />'."\n".
   94: 	      'chmod a-rwx,u+rwx <TARGET />'."\n");
   95: 	  }
   96: 	$smode=~/^..(..)$/;
   97: 	$wflag=$1;
   98: 	if ($wflag ne "00") # Can others use this socket?  (Hope not!)
   99: 	  {
  100: 	    print('**** ERROR **** '.
  101: 	      '<TARGET /> should not be group or everybody accessible'.
  102: 	      '.'."\n".'Try these commands to make things right:'."\n".
  103: 	      'chown www:www <TARGET />'."\n".
  104: 	      'chmod a-rwx,u+rwx <TARGET />'."\n");
  105: 	  }
  106:       }
  107:   }
  108: </perlscript>
  109: </file>
  110: <file>
  111: <target dist='default'>/etc/httpd/conf/loncapa.conf</target>
  112: <perlscript mode='fg'>
  113: open IN, "&lt;<TARGET />";
  114: my $hbug=-1;
  115: my $dbug=-1;
  116: while (&lt;IN&gt;) {
  117:  if (/PerlSetVar\s+lonHostID\s+(\S+)/) {
  118:   my $v=$1;
  119:   $hbug=0;
  120:   $hbug=1 if $v=~/\W/;
  121:   $hbug=1 if $v=~/\_/;
  122:  }
  123:  if (/PerlSetVar\s+lonDefDomain\s+(\S+)/) {
  124:   my $v=$1;
  125:   $dbug=0;
  126:   $dbug=1 if $v=~/\W/;
  127:   $dbug=1 if $v=~/\_/;
  128:   # Avoid namespace conflicts under the web server's DocumentRoot.
  129:   my @badnames=('raw','userfiles','priv','adm','uploaded');
  130:   foreach my $bad (@badnames) {
  131:    $dbug=1 if $v eq $bad;
  132:   }
  133:  }
  134: }
  135: if ($hbug) {
  136:   print "**** ERROR **** <TARGET /> has invalid lonHostID\n";
  137: }
  138: if ($dbug) {
  139:   print "**** ERROR **** <TARGET /> has invalid lonDefDomain\n";
  140: }
  141: </perlscript>
  142: </file>
  143: <file>
  144: <target dist='default'>/home/httpd/lonTabs/hosts.tab</target>
  145: open IN, "&lt;<TARGET />";
  146: my $rbug=0;
  147: my $dbug=0;
  148: my $sbug=0;
  149: my $fbug=0;
  150: while (&lt;IN&gt;) {
  151:  next if (/^(\#|\s*$)/);
  152:  if (/\S/) {
  153:   $rbug=1 if /\r/;
  154:   my @a=split(/\:/,$_);
  155:   $dbug=1 if $a[0]=~/\W/;
  156:   $dbug=1 if $a[0]=~/\_/;
  157:   $dbug=1 if $a[1]=~/\_/;
  158:   $dbug=1 if $a[1]=~/\W/;
  159:   $fbug=1 if (@a<5 || @a>6);
  160:   my $expr='\s.+$';
  161:   $sbug=1 if ($a[0] =~ /$expr/ ||
  162: 	      $a[1] =~ /$expr/ ||
  163: 	      $a[2] =~ /$expr/ ||
  164: 	      $a[3] =~ /$expr/ ||
  165: 	      $a[4] =~ /$expr/ )
  166: ;
  167:  }
  168: }
  169: close IN;
  170: if ($rbug) {
  171:   print "**** ERROR **** <TARGET /> is DOS-formatted\n";
  172: }
  173: if ($dbug) {
  174:   print "**** ERROR **** <TARGET /> has invalid host id or domain id\n";
  175: }
  176: if ($fbug) {
  177:   print "**** ERROR **** <TARGET /> is lacking 5 or 6 columns for every row\n";
  178: }
  179: if ($sbug) {
  180:   print "**** ERROR **** <TARGET /> has illegal whitespace character\n";
  181: }
  182: </file>
  183: <file>
  184: <target dist='default'>/home/httpd/lonTabs/spare.tab</target>
  185: open IN, "&lt;<TARGET />";
  186: my $rbug=0;
  187: my $dbug=0;
  188: my $sbug=0;
  189: while (&lt;IN&gt;) {
  190:  if (/\S/) {
  191:   $rbug=1 if /\r/;
  192:   $dbug=1 if $_=~/\W.*\n$/;
  193:   $dbug=1 if $_=~/\_/;
  194:   $sbug=1 if /\s.+$/;
  195:  }
  196: }
  197: close IN;
  198: if ($rbug) {
  199:   print "**** ERROR **** <TARGET /> is DOS-formatted\n";
  200: }
  201: if ($dbug) {
  202:   print "**** ERROR **** <TARGET /> has invalid host id\n";
  203: }
  204: if ($sbug) {
  205:   print "**** ERROR **** <TARGET /> has illegal whitespace character\n";
  206: }
  207: </file>
  208: </files>
  209: </piml>