Annotation of doc/loncapafiles/webserver.piml, revision 1.33

1.8       harris41    1: <!DOCTYPE piml PUBLIC "-//TUX/DTD piml 1.0 Final//EN" 
                      2: 	"http://lpml.sourceforge.net/DTD/piml.dtd">
1.1       harris41    3: <!-- webserver.piml -->
                      4: 
1.33    ! raeburn     5: <!-- $Id: webserver.piml,v 1.32 2011/05/26 01:05:41 raeburn Exp $ -->
1.1       harris41    6: 
                      7: <!--
                      8: 
                      9: Copyright Michigan State University Board of Trustees
                     10: 
                     11: This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                     12: 
                     13: LON-CAPA is free software; you can redistribute it and/or modify
                     14: it under the terms of the GNU General Public License as published by
                     15: the Free Software Foundation; either version 2 of the License, or
                     16: (at your option) any later version.
                     17: 
                     18: LON-CAPA is distributed in the hope that it will be useful,
                     19: but WITHOUT ANY WARRANTY; without even the implied warranty of
                     20: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     21: GNU General Public License for more details.
                     22: 
                     23: You should have received a copy of the GNU General Public License
                     24: along with LON-CAPA; if not, write to the Free Software
                     25: Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     26: 
                     27: /home/httpd/html/adm/gpl.txt
                     28: 
                     29: http://www.lon-capa.org/
                     30: 
                     31: -->
                     32: 
                     33: <!-- Default values must be defined before specific values. -->
                     34: <!-- If no 'dist' attribute is specified, then it is always installed. -->
                     35: <!-- If 'dist' attribute is set to  'default', then the specification. -->
                     36: <!-- is accepted if an alternative distribution is not requested or not -->
                     37: <!-- defined. -->
                     38: 
                     39: <piml>
1.6       harris41   40: <targetroot>/</targetroot>
1.2       harris41   41: <specialnotices>
                     42: <specialnotice>
                     43: </specialnotice>
                     44: </specialnotices>
1.1       harris41   45: <files>
                     46: <file>
                     47: <target dist='default'>/etc/httpd/conf/httpd.conf</target>
1.20      raeburn    48: <target dist='suse9.2 suse9.3 sles9'>/etc/httpd/httpd.conf</target>
1.33    ! raeburn    49: <target dist='sles10 sles11 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1'>/etc/apache2/default-server.conf</target>
1.31      raeburn    50: <target dist='debian5 debian6 ubuntu6 ubuntu8 ubuntu10'>/etc/apache2/sites-available/loncapa</target>
1.32      raeburn    51: <note>This is for Apache 1.X for Red Hat 4ES, Fedora 2, 3 and 4, SusSE 9.2 and 9.3, and SLES 9 distributions. This is for Apache 2.X for Fedora 5, Red Hat 5, CentOS 5, Scientific Linux 5, SuSE 10.1, SLES 10, Debian 5, Ubuntu LTS 8 and later distributions</note>
1.1       harris41   52: <dependencies dist='default'>
                     53: /etc/httpd/conf/httpd.conf
                     54: </dependencies>
1.20      raeburn    55: <dependencies dist='suse9.2 suse9.3 sles9'>
                     56: /etc/httpd/httpd.conf
                     57: </dependencies>
1.31      raeburn    58: <dependencies dist='debian5 debian6 ubuntu6 ubuntu8 ubuntu10'>
1.25      raeburn    59: /etc/apache2/sites-available/loncapa
                     60: </dependencies>
1.33    ! raeburn    61: <dependencies dist='sles10 sles11 suse10.1 suse10.2 suse10.3 suse11.1 suse11.2 suse11.3 suse11.4 suse12.1'>
1.20      raeburn    62: /etc/apache2/default-server.conf
                     63: </dependencies>
1.19      raeburn    64: <perlscript mode='fg' dist="default">
1.11      harris41   65: # Generated from doc/loncapafiles/webserver.piml
1.1       harris41   66: unless (-e "<TARGET />") {
1.20      raeburn    67:   print '**** ERROR! <TARGET /> should exist! Are you missing the Apache '.
1.13      harris41   68:     'software package?';
1.11      harris41   69:   exit(1);
1.1       harris41   70: }
                     71: else {
1.32      raeburn    72:   # Append loncapa_apache.conf inclusion to httpd.conf 
                     73:   # (or sites-available/loncapa) if not present.
1.9       harris41   74:   $flag=0;
1.11      harris41   75:   open(IN,'&lt;<TARGET />');
1.9       harris41   76:   while (&lt;IN&gt;) { 
                     77:     if (/^\s*Include\s+conf\/loncapa_apache.conf/) {
                     78:       $flag=1; 
                     79:     }
                     80:   }
1.11      harris41   81:   close(IN);
1.9       harris41   82:   unless ($flag==1) {
1.11      harris41   83:     open(OUT,'&gt;&gt;<TARGET />');
                     84:     print(OUT 'Include conf/loncapa_apache.conf'."\n");
                     85:     close(OUT);
1.9       harris41   86:   }
1.12      harris41   87:   # Remove loncapa.conf inclusion from httpd.conf if present.
1.11      harris41   88:   $flag=0;
                     89:   open(IN,'&lt;<TARGET />');
                     90:   while (&lt;IN&gt;) {
                     91:     if (/^\s*Include\s+conf\/loncapa.conf/) {
                     92:       $flag=1;
                     93:     }
                     94:   }
                     95:   close(IN);
                     96:   $in='';
                     97:   if ($flag==1) {
                     98:     open(IN,'&lt;<TARGET />');
                     99:     while(&lt;IN&gt;) {
                    100:       $in.=$_ unless /^\s*Include\s+conf\/loncapa.conf/;
                    101:     }
                    102:     close(IN);
                    103:     open(OUT,'&gt;<TARGET />');
                    104:     print(OUT $in."\n");
                    105:     close(OUT);
1.13      harris41  106:   }
1.18      raeburn   107: 
                    108: # Checking for overlapping ScriptAlias and DocumentRoot definitions.
                    109:   $scriptalias_flag=0;
                    110:   $documentroot_flag=0;
                    111:   my $scriptalias;
                    112:   my $documentroot;
                    113:   open(IN,'&lt;<TARGET />');
                    114:   while (&lt;IN&gt;) {
                    115:     if (m!^\s*ScriptAlias\s+/cgi-bin/\s+(.*)$!) {
                    116:       $scriptalias = $1;
                    117:       if ($scriptalias !~ m!home/httpd/cgi-bin!) {
                    118:         $scriptalias_flag = 1;
                    119:       }
                    120:     }
                    121:     if (m!^\s*DocumentRoot\s+(.*)$!) {
                    122:       $documentroot = $1;
                    123:       if ($documentroot !~ m!home/httpd/html!) {
                    124:         $documentroot_flag = 1;
                    125:       }
                    126:     }
                    127:   }
                    128:   close(IN);
                    129:   if ($scriptalias_flag==1) {
1.32      raeburn   130:       my $conffile = '/etc/httpd/conf/httpd.conf';
                    131:       if ('<DIST />' eq 'suse9.2' || '<DIST />' eq 'suse9.3' 
                    132:           || '<DIST />' eq 'sles9') {
                    133:           $conffile =  '/etc/httpd/httpd.conf';
                    134:       } elsif ('<DIST />' =~ /^(suse|sles)/) {
                    135:           $conffile = '/etc/apache2/default-server.conf';
                    136:       } elsif ('<DIST />' =~ /^(debian|ubuntu)/) {
                    137:           $conffile = '/etc/apache2/sites-available/loncapa';
                    138:       }
                    139:       print('**** ERROR **** '.$conffile.' has an overlapping definition of '.
                    140:             'ScriptAlias (it is incorrectly set to '.$scriptalias.').'."\n".
                    141:             'This conflicts with loncapa_apache.conf.'."\n");
1.18      raeburn   142:   }
                    143:   if ($documentroot_flag==1) {
1.32      raeburn   144:       print('**** ERROR **** '.$conffile.' has an overlapping definition of '.
                    145:             'DocumentRoot (it is incorrectly set to '.$documentroot.').'."\n".
                    146:             'This conflicts with loncapa_apache.conf.'."\n");
1.18      raeburn   147:   }
1.32      raeburn   148: 
                    149: # Checking for rewrites of http:// to https://
                    150:     my $rewrite_dir = '/etc/httpd/conf/rewrites';
                    151:     my $curr_rewrite = '/etc/httpd/conf/loncapa_rewrite.conf';
                    152:     if ('<DIST />' eq 'suse9.2' || '<DIST />' eq 'suse9.3'
                    153:         || '<DIST />' eq 'sles9') {
                    154:         $rewrite_dir = '/etc/httpd/rewrites/';
                    155:         $curr_rewrite = '/etc/httpd/loncapa_rewrite.conf';
                    156:     } elsif ('<DIST />' =~ /^(suse|sles|debian|ubuntu)/) {
                    157:         $rewrite_dir = '/etc/apache2/rewrites';
                    158:         $curr_rewrite = '/etc/apache2/loncapa_rewrite.conf';
                    159:     }
                    160:     my $rewrite_off = $rewrite_dir.'/loncapa_rewrite_off.conf';
                    161:     my $rewrite_on = $rewrite_dir.'/loncapa_rewrite_on.conf';
                    162:     if (!-e $curr_rewrite) { 
                    163:         system("cp $rewrite_off $curr_rewrite");
                    164:         chmod(0644, $curr_rewrite);
                    165:     } else {
                    166:         my ($not_rewrite_on,$not_rewrite_off);
                    167:         if (open(PIPE, "diff --brief $rewrite_off $curr_rewrite |")) {
                    168:             my $diffres = &lt;PIPE&gt; ;
                    169:             close(PIPE);
                    170:             chomp($diffres);
                    171:             if ($diffres) {
                    172:                 $not_rewrite_off = 1;
                    173:             }
                    174:         }
                    175:         if (open(PIPE, "diff --brief $rewrite_on $curr_rewrite |")) {
                    176:             my $diffres = &lt;PIPE&gt; ;
                    177:             close(PIPE);
                    178:             chomp($diffres);
                    179:             if ($diffres) {
                    180:                 $not_rewrite_on = 1;
                    181:             }
                    182:         }
                    183:         unless ($not_rewrite_off || $not_rewrite_on) {
                    184:             print('**** WARNING **** '.$curr_rewrite.' does not match '.
                    185:             'either: '.$rewrite_on.' - the file used to enable rewriting '.
                    186:             'of requests for http:// to https:// or: '.$rewrite_off.
                    187:             ' - the file used to disable such rewriting'."\n\n".
                    188:             'This may be because '. $curr_rewrite.' has been '. 
                    189:             'previously customized, or it may be because of a change '.  
                    190:             'to the files in '.$rewrite_dir."\n");
                    191:         }
                    192:     }
1.13      harris41  193: }
                    194: </perlscript>
1.1       harris41  195: </file>
                    196: </files>
                    197: </piml>

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