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IntuititveNipple
Junior Member
Joined: 03 Dec 2007
Posts: 22
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 Posted: Tue Dec 11, 2007 5:23 pm Post subject: HowTo: Apache2, SuExec, PHP5 and FastCGI for Virtual Domains |
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These notes are specific to Ubuntu 7.10 (Gutsy) and 8.04 (Hardy) but can be easily adjusted for other distributions.
Running PHP v5 on Apache v2.x requires the use of CGI and php-cgi if the recommended apache2-mpm-worker configuration is to be maintained. This prevents the use of libapache2-mod-php5 because that module requires apache2-mpm-prefork - these two mpm's are mutually exclusive.
Check what is installed; first Apache:
| Code: | $ dpkg-query -l 'apache2*' | egrep '^ii'
ii apache2 2.2.4-3build1 Next generation, scalable, extendable web server
ii apache2-mpm-worker 2.2.4-3build1 High speed threaded model for Apache HTTPD
ii apache2-utils 2.2.4-3build1 utility programs for webservers
ii apache2.2-common 2.2.4-3build1 Next generation, scalable, extendable web server |
And now PHP:
| Code: | ~$ dpkg-query -l '*php*' | egrep '^(ii|un)'
un libapache2-mod-php4 <none> (no description available)
un libapache2-mod-php5 <none> (no description available)
un php-doc <none> (no description available)
un php-pear <none> (no description available)
un php3 <none> (no description available)
ii php5-cgi 5.2.3-1ubuntu6.2 server-side, HTML-embedded scripting languag
ii php5-common 5.2.3-1ubuntu6.2 Common files for packages built from the php
un php5-json <none> (no description available)
ii php5-mysql 5.2.3-1ubuntu6.2 MySQL module for php5
un php5-mysqli <none> (no description available)
un phpapi-20060613 <none> (no description available)
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The FastCGI module:
| Code: | $ dpkg-query -l '*fcgi*' | egrep '^(ii|un)'
ii libapache2-mod-fcgid 1:2.1-2 an alternative module compat with mod_fastcgi
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The ii at the beginning of each line above denotes installed. Some package have dependencies on others. Use apt-get to install the packages and their dependencies if they aren't already:
| Code: | | $ sudo apt-get install apache2 php5-cgi libapache2-mod-fcgid |
When using the Virtualmin virtual hosting management tool the home directories of each domain are under /home/. This differs from the Apache convention of /var/www/ and causes issues with suexec refusing to execute CGI programs due to permissions problems.
Two examples of errors from /var/log/apache2/suexec.log:
| Code: | uid: (1014/intuitivenipple) gid: (1013/1013) cmd: php-fcgi-wrapper
cannot stat program: (php-fcgi-wrapper)
uid: (1014/intuitivenipple) gid: (1013/1013) cmd: php-fcgi-wrapper
target uid/gid (1014/1013) mismatch with directory (0/0) or program (0/0)
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The first error is caused because 'php-fcgi-wrapper' is a symbolic link to /usr/bin/php-cgi and suexec doesn't allow sym-links.
The second error is caused because the directory and the executable do not have owner and group that match the ones set in the site's VirtualHost configuration (/etc/apache2/sites-available/domain.net.conf):
| Code: |
<VirtualHost domain.net>
SuexecUserGroup "#1014" "#1013"
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The suexec program has settings built in when it is compiled to prevent it being reconfigured to avoid the security restrictions it is designed to enforce.
If you are using Virtualmin (or more accurately, not using /var/www/ as the root for your virtual domains) you will need to build a custom version of apache's suexec to adjust those built-in settings. You can view them like this:
| Code: | $ sudo /usr/lib/apache2/suexec -V
-D AP_DOC_ROOT="/var/www"
-D AP_GID_MIN=100
-D AP_HTTPD_USER="www-data"
-D AP_LOG_EXEC="/var/log/apache2/suexec.log"
-D AP_SAFE_PATH="/usr/local/bin:/usr/bin:/bin"
-D AP_UID_MIN=100
-D AP_USERDIR_SUFFIX="public_html"
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We need to change to AP_DOC_ROOT="/home" for Virtualmin.
Install the tools we need:
| Code: | $ sudo apt-get install build-essential binutils
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Create a directory to keep source-code separate and then fetch the source for apache2.2-common (which contains the suexec code):
| Code: | $ mkdir SourceCode
$ cd SourceCode
$ sudo apt-get build-dep apache2.2-common
$ apt-get source apache2.2-common
Reading package lists... Done
Building dependency tree
Reading state information... Done
NOTICE: 'apache2' packaging is maintained in the 'Svn' version control system at:
svn://svn.debian.org/pkg-apache
Need to get 6485kB of source archives.
Get: 1 http://archive.ubuntu.com gutsy/main apache2 2.2.4-3build1 (dsc) [1235B]
Get: 2 http://archive.ubuntu.com gutsy/main apache2 2.2.4-3build1 (tar) [6366kB]
Get: 3 http://archive.ubuntu.com gutsy/main apache2 2.2.4-3build1 (diff) [118kB]
Fetched 6485kB in 3s (1849kB/s)
gpg: Signature made Thu 04 Oct 2007 19:28:33 BST using DSA key ID 0A0AC927
gpg: Can't check signature: public key not found
dpkg-source: extracting apache2 in apache2-2.2.4
dpkg-source: unpacking apache2_2.2.4.orig.tar.gz
dpkg-source: applying ./apache2_2.2.4-3build1.diff.gz
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Check the Apache 2.2 documentation for details of all the suexec configure options and also Linode-member Internat's guide to rebuilding the apache2.2-common Debian/Ubuntu package.
Move into the source-code directory and configure for our custom requirements:
| Code: | $ cd apache2-2.2.4
$ ./configure --prefix=/usr --enable-suexec --with-suexec-caller=www-data --with-suexec-userdir=public_html --with-suexec-docroot=/home --with-suexec-uidmin=100 --with-suexec-gidmin=100 --with-suexec-logfile=/var/log/apache2/suexec.log --with-suexec-safepath='/usr/local/bin:/usr/bin:/bin'
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The configure script is responsible for checking that the host PC has all the tools and code-library headers installed. If configure reports an error and mentions a missing library, then you need to install the development headers for that library. Usually the package name has the -devel suffix so, for example, if "libsomething" is missing, the first thing to try is
| Code: | | $ sudo apt-get install libsomething-devel |
If this doesn't solve it, search for the correct development library name using:
| Code: | | $ apt-cache search libsomething |
If you still can't find it, try a search engine or look at the Ubuntu package repositories.
Assuming configure completed successfully you should see:
| Code: | ...
config.status: creating support/apxs
config.status: creating support/apachectl
config.status: creating support/dbmmanage
config.status: creating support/envvars-std
config.status: creating support/log_server_status
config.status: creating support/logresolve.pl
config.status: creating support/phf_abuse_log.cgi
config.status: creating support/split-logfile
config.status: creating build/rules.mk
config.status: creating build/pkg/pkginfo
config.status: creating build/config_vars.sh
config.status: creating include/ap_config_auto.h
config.status: executing default commands
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With everything configured we can build the package:
Assuming make completes without errors, check that suexec was built and has the correct configuration:
| Code: | $ ls support/suexec
support/suexec
$ sudo support/suexec -V
-D AP_DOC_ROOT="/home"
-D AP_GID_MIN=100
-D AP_HTTPD_USER="www-data"
-D AP_LOG_EXEC="/var/log/apache2/suexec.log"
-D AP_SAFE_PATH="/usr/local/bin:/usr/bin:/bin"
-D AP_UID_MIN=100
-D AP_USERDIR_SUFFIX="public_html"
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Now we need to back-up the installed suexec and put this new version in its place:
| Code: | $ sudo mv /usr/lib/apache2/suexec /usr/lib/apache2/suexec-var-www
$ sudo cp support/suexec /usr/lib/apache2/suexec
$ sudo chown root:www-data /usr/lib/apache2/suexec
$ sudo chmod 4750 /usr/lib/apache2/suexec
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Now that suexec is ready it is time to configure the virtual domains. The directory structure is usually something like this:
/home/domain.net/
/home/domain.net/logs/
/home/domain.net/public_html/
/home/domain.net/cgi-bin/
/home/domain.net/domains/
To those we'll add conf/ (for custom php.ini) and lib/ (for files accessible to php-cgi but outside the web-root).
/home/domain.net/conf/
/home/domain.net/lib/
As an example the pastebin package configuration and code libraries would be installed in lib/.
You will need to repeat the following steps for each virtual domain that needs FastCGI access to PHP (modifying base path and user/group settings for each). The result is that each virtual domain's CGI scripts run as the correct user. See the following article for how to add these values to the Virtualmin domain templates so new domains are created with PHP enabled.
To execute the CGI properly the executable, and the directory it is in, must have the same user and group as those set in the site's SuexecUserGroup statement (referred to earlier). The usual way to assure this is to set SuexecUserGroup to match the user and group of the home directory of the user.
The user's home directory and all directories below it should already meet those requirements so we can install a script in cgi-bin/ that will call the /usr/bin/php-cgi executable.
Change to the user's home directory and create the directories:
| Code: | $ cd /home/<virtual-domain-user>
$ mkdir conf
$ mkdir lib
$ mkdir -p cgi-bin/php5-default
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Create conf/php.ini with this content. Make sure to adjust the paths to match the domain:
| Code: | include_path = ".:/home/intuitivenipple.net/lib"
open_basedir "/home/intuitivenipple.net:/tmp"
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Create the script cgi-bin/php5-default/php-fcgi-wrapper with the following contents:
| Code: | #!/bin/sh
# Wrapper for PHP-fcgi
# This wrapper can be used to define settings before launching the PHP-fcgi binary.
# Define the path to php.ini. This defaults to /etc/phpX/cgi.
export PHPRC=/home/intuitivenipple.net/conf
# Define the number of PHP child processes that will be launched.
# This is low to control memory usage on a server that might launch
# these processes for lots of domains.
# Leave undefined to let PHP decide.
export PHP_FCGI_CHILDREN=1
# Maximum requests before a process is stopped and a new one is launched
export PHP_FCGI_MAX_REQUESTS=5000
# Launch the PHP CGI binary
# This can be any other version of PHP which is compiled with FCGI support.
exec /usr/bin/php5-cgi
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Change the PHPRC path to match the user.
Make sure the directories and the script have the correct user and group ID. Replace <user> and <group> with your virtual domain's user and group respectively:
| Code: | $ sudo chown -R <user>:<group> cgi-bin/php5-default
$ sudo chown -R <user>:<group> conf
$ sudo chown -R <user>:<group> lib
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You can use these same steps to install other CGI scripts.
Now the virtual domain's Apache configuration needs a block of directives adding that will activate the FastCGI PHP handler.
Many guides and tutorials show this done on a per-server basis by adding a file to /etc/apache2/conf.d/. The file is often called php-fcgid.conf.
That file will work fine with mod_user (allows access to user's public_html via http://server.domain.net/~user) but won't work with virtual domains where the CGI script has to be owned by the SuexecUserGroup of each Virtual Host.
If you have that already installed in /etc/apache2/conf.d/ you should consider removing it and also deleting the default FastCGI directories at /var/www/fcgi-bin.d/.
Add the following block of directives to the virtual domain's Apache configuration file. The files are usually in the directory /etc/apache2/sites-available/.
For my site, the file is /etc/apache2/sites-available/intuitivenipple.net.conf
The file will start something like:
| Code: | <VirtualHost 67.18.187.60:80>
SuexecUserGroup "#1014" "#1013"
ServerName intuitivenipple.net
ServerAlias www.intuitivenipple.net
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Ensure the SuexecUserGroup IDs are correct. Here, they are specified as the UID and GID numbers rather than the names (saves Apache time having to look them up). You can get them like this:
| Code: | $ grep intuitivenipple /etc/passwd
intuitivenipple:x:1014:1013::/home/intuitivenipple.net:/bin/sh
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The first number is the UID, the second is the GID. You can cross-reference the GID to its name like this:
| Code: | $ grep 1013 /etc/group
intuitivenipple:x:1013:www-data
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This shows that the group has www-data as a member. That is the identity that Apache runs as.
Now add the FastCGI conditional statements to the end of the virtual domain configuration file, inserting them in front of the closing </VirtualHost> directive, so it looks like this:
| Code: | <IfModule !mod_php4.c>
<IfModule !mod_php4_filter.c>
<IfModule !mod_php5.c>
<IfModule !mod_php5_filter.c>
<IfModule !mod_php5_hooks.c>
<IfModule mod_actions.c>
<IfModule mod_alias.c>
<IfModule mod_mime.c>
<IfModule mod_fcgid.c>
# Define a new handler "php-fcgi" for ".php" files, plus the action that must follow
AddHandler php-fcgi .php
Action php-fcgi /fcgi-bin/php-fcgi-wrapper
# Define alias "/fcgi-bin/". The action above is using this value, which means that
# you could run another "php5-cgi" command by just changing this alias
Alias /fcgi-bin/ /home/intuitivenipple.net/cgi-bin/php5-default/
# Turn on the fcgid-script handler for all files within the alias "/fcgi-bin/"
<Location /fcgi-bin/>
SetHandler fcgid-script
Options +ExecCGI
</Location>
# ensure no access to the script source code
ReWriteEngine On
ReWriteRule ^/fcgi-bin/[^/]*$ / [PT]
</IfModule>
</IfModule>
</IfModule>
</IfModule>
</IfModule>
</IfModule>
</IfModule>
</IfModule>
</IfModule>
</VirtualHost>
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Make sure you set the Alias path to the correct directory! E.g.
Alias /fcgi-bin/ /home/domain.net/cgi-bin/php5-default/
Save the file then restart Apache:
| Code: | | $ sudo /etc/init.d/apache2 restart |
Add a simple PHP test file to the web-root:
| Code: | $ echo "<?php phpinfo() ?>" > public_html/info.php
$ chown <user>:<group> public_html/info.php
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You can test it from a browser or even from the command line using wget to ensure the server returns a 200 OK response:
| Code: | $ wget -O - http://domain.net/info.php | head
--21:59:07-- http://domain.net/info.php
=> `-'
Resolving domain.net... 10.1.2.3
Connecting to domain.net|10.1.2.3|:80... connected.
HTTP request sent, awaiting response... 200 OK
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If you see the PHP configuration reported in your browser, starting with something like "PHP Version 5.2.3-1ubuntu6.2", then you've successfully installed SuExec protected FastCGI access to PHP 5.
Remember to repeat the per-virtual-domain steps for each domain that requires PHP support. You can automate that to some degree by adding the directories and files to the /etc/skel/ directory so when a user is created they are copied and permissions set correctly.
If you're working with sub-domains you can copy the parent's cgi-bin directory to the sub-domain (assuming the parent already has the PHP CGI script installed!):
| Code: | $ pwd
/home/domain.net
$ cp -a cgi-bin domains/subdomain.domain.net/
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and then add the FastCGI configuration directives to the sub-domain's apache configuration by editing /etc/apache2/sites-available/subdomain.domain.net.conf to add the Fast CGI directives as described previously.
Make sure to set the Alias path correctly. For sub-domains it is of the form
Alias /fcgi-bin/ /home/domain.net/domains/subdomain.domain.net/cgi-bin/php5-default/
And of course, reload the configuration once more:
| Code: | $ sudo /etc/init.d/apache2 reload
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If you find any mistakes in this guide please report them here and I'll amend this article.
_________________
TJ.
IntuitiveNipple
The only intuitive interface is the nipple; everything else is learned.
Last edited by IntuititveNipple on Sun Feb 15, 2009 4:05 am; edited 14 times in total |
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IntuititveNipple
Junior Member
Joined: 03 Dec 2007
Posts: 22
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| Posted: Tue Dec 11, 2007 5:54 pm Post subject: Virtualmin default template |
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To automate the configuration for all new domains you can configure the Virtualmin default Apache template and add to the /etc/skel/ directory.
In Virtualmin:
- go to System Settings > Server Templates
- Select the Default Settings template
- choose Edit Template Section Apache website
In the Directives and settings for new websites text-area add the following lines to the end of the existing template text:
| Code: |
<IfModule !mod_php4.c>
<IfModule !mod_php4_filter.c>
<IfModule !mod_php5.c>
<IfModule !mod_php5_filter.c>
<IfModule !mod_php5_hooks.c>
<IfModule mod_actions.c>
<IfModule mod_alias.c>
<IfModule mod_mime.c>
<IfModule mod_fcgid.c>
# Define a new handler "php-fcgi" for ".php" files, plus the action that must follow
AddHandler php-fcgi .php
Action php-fcgi /fcgi-bin/php-fcgi-wrapper
# Define alias "/fcgi-bin/". The action above is using this value, which means that
# you could run another "php5-cgi" command by just changing this alias
Alias /fcgi-bin/ ${HOME}/cgi-bin/php5-default/
# Turn on the fcgid-script handler for all files within the alias "/fcgi-bin/"
<Location /fcgi-bin/>
SetHandler fcgid-script
Options +ExecCGI
</Location>
</IfModule>
</IfModule>
</IfModule>
</IfModule>
</IfModule>
</IfModule>
</IfModule>
</IfModule>
</IfModule>
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Notice how the alias uses a variable:
Alias /fcgi-bin/${HOME}/cgi-bin/php5-default/
Save that change and then open a terminal to the server and add the cgi-bin and PHP directories and script to /etc/skel/:
| Code: | $ sudo mkdir -p /etc/skel/cgi-bin/php5-default
$ sudo mkdir /etc/skel/conf
$ sudo mkdir /etc/skel/lib
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Create the shell script /etc/skel/cgi-bin/php5-default/php-fcgi-wrapper with these contents:
| Code: | #!/bin/sh
# Wrapper for PHP-fcgi
# This wrapper can be used to define settings before launching the PHP-fcgi binary.
# Define the path to php.ini. This defaults to /etc/phpX/cgi.
export PHPRC=${HOME}/conf
# Define the number of PHP child processes that will be launched.
# This is low to control memory usage on a server that might launch
# these processes for lots of domains.
# Leave undefined to let PHP decide.
export PHP_FCGI_CHILDREN=1
# Maximum requests before a process is stopped and a new one is launched
export PHP_FCGI_MAX_REQUESTS=5000
# Launch the PHP CGI binary
# This can be any other version of PHP which is compiled with FCGI support.
exec /usr/bin/php5-cgi
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Create the /etc/skel/conf/php.ini file:
| Code: | include_path = ".:${HOME}/lib"
open_basedir "${HOME}:/tmp"
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Set the correct permissions on the files:
| Code: | $ sudo chmod 750 /etc/skel/cgi-bin/php5-default/php-fcgi-wrapper
$ sudo chmod 750 /etc/skel/conf/php.ini
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After creating a new user check that the installed /home/<user>/cgi-bin/php5-default/php-fcgi-wrapper and /home/<user>/conf/php.ini have had ${HOME} expanded correctly to the absolute path. If not, correct it.
| Code: | $ cd /home/username
$ NEWHOME="$(pwd)"
$ sed -ibak -e "s,\${HOME},${NEWHOME}," cgi-bin/php5-default/php-fcgi-wrapper
$ sed -ibak -e "s,\${HOME},${NEWHOME}," conf/php.ini
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This is because when installing from the skeleton files the system has the option of whether or not to expand shell variables in the files, and by default it doesn't (otherwise .profile and others would be a total mess!).
That should be sufficient to ensure all new domains have PHP FastCGI enabled automatically.
_________________
TJ.
IntuitiveNipple
The only intuitive interface is the nipple; everything else is learned.
Last edited by IntuititveNipple on Wed Dec 12, 2007 11:58 am; edited 7 times in total |
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Internat
Senior Member
Joined: 17 Aug 2004
Posts: 218
Location: Brisbane, Australia
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| Posted: Wed Dec 12, 2007 2:44 am Post subject: |
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You have no idea how much i love you right now..
Umm some things that might be worth changing..
on http://blog.our-files.com/?p=6 i have reference to how to actually build and repackage apache with the new suexec compoonents..
_________________
ServerAdmin - www.our-lan.com
"Diplomacy is the art of saying nice doggy whilst looking for a really big stick"
"In my experiece, any attempt to make any system idiot proof will only challenge God to make a better idiot" |
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Internat
Senior Member
Joined: 17 Aug 2004
Posts: 218
Location: Brisbane, Australia
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| Posted: Thu Dec 20, 2007 9:29 pm Post subject: Error |
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so for some wierd reason i get the following.
Not Found
The requested URL /fcgi-bin/php-fcgi-wrapper/index.php was not found on this server.
| Code: | <VirtualHost *>
ServerName leela.home.our-lan.com
ServerAlias www.leela.home.our-lan.com
ServerAdmin admin@home.our-lan.com
SuexecUserGroup hostingu2 hostingg12
DocumentRoot /home/hosting/domains/home.our-lan.com/www
<Directory />
Options FollowSymLinks
AllowOverride None
</Directory>
ErrorLog /home/hosting/domains/home.our-lan.com/logs/apache.error.log
# Possible values include: debug, info, notice, warn, error, crit,
# alert, emerg.
LogLevel warn
CustomLog /home/hosting/domains/home.our-lan.com/logs/apache.log combined
ServerSignature Off
<IfModule mod_fcgid.c>
# Define a new handler "php-fcgi" for ".php" files, plus the action that must follow
AddHandler php-fcgi .php
Action php-fcgi /fcgi-bin/php-fcgi-wrapper
# Define alias "/fcgi-bin/". The action above is using this value, which means that
# you could run another "php5-cgi" command by just changing this alias
Alias /fcgi-bin/ /home/hosting/domains/home.our-lan.com/cgi-bin/php5-default
<Location /fcgi-bin/>
SetHandler fcgid-script
Options +ExecCGI
</Location>
#
</IfModule>
# Turn on the fcgid-script handler for all files within the alias "/fcgi-bin/"
</VirtualHost>
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find . returns the following
| Code: | ./cgi-bin
./cgi-bin/php5-default
./cgi-bin/php5-default/php-fcgi-wrapper
./www
./www/index.php
./subdomain
./conf
./conf/apache.home.our-lan.com.conf
./conf/php.ini
./logs
./logs/apache.error.log
./logs/apache.log
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(note ive removed some entries for the mail directories and so forth
| Code: |
leela:/home/hosting/domains/home.our-lan.com/conf# cat php.ini
include_path = ".:/home/hosting/domains/home.our-lan.com/lib"
open_basedir = "/home/hosting/domains/home.our-lan.com:/tmp" |
Anything else i havnt done right?
_________________
ServerAdmin - www.our-lan.com
"Diplomacy is the art of saying nice doggy whilst looking for a really big stick"
"In my experiece, any attempt to make any system idiot proof will only challenge God to make a better idiot" |
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IntuititveNipple
Junior Member
Joined: 03 Dec 2007
Posts: 22
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| Posted: Thu Dec 20, 2007 11:57 pm Post subject: |
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It looks like the problem is the missing / on the end of:
| Code: | | Alias /fcgi-bin/ /home/hosting/domains/home.our-lan.com/cgi-bin/php5-default |
In case it isn't, I'll leave my earlier ideas here too for you to work with.
It looks like a RewriteRule that isn't tight enough, but I don't see one in the VirtualHost container and you have AllowOverride None (which rules out .htaccess).
However, I discovered recently whilst using RewriteRule that Alias also appears to use it - path translations for fcgi appeared in the RewriteLog.
So, try enabling RewriteLog in the VirtualHost container:
| Code: | RewriteEngine on
RewriteLog /home/hosting/domains/home.our-lan.com/logs/rewrite.log
RewriteLogLevel 9
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Restart/reload Apache, access the URL, and then review what (if anything) is in logs/rewrite.log.
Also, show the relevant entries from the error.log since when fcgi has problems it is quite verbose.
_________________
TJ.
IntuitiveNipple
The only intuitive interface is the nipple; everything else is learned.
Last edited by IntuititveNipple on Fri Dec 21, 2007 12:03 am; edited 1 time in total |
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Internat
Senior Member
Joined: 17 Aug 2004
Posts: 218
Location: Brisbane, Australia
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| Posted: Fri Dec 21, 2007 12:02 am Post subject: |
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Well the rewrite module wasnt even enabled. But ive added it now..
But rewrite.log is still empty..
| Code: |
leela:/etc/apache2/mods-enabled# ls
actions.load authz_host.load dir.load rewrite.load
alias.load authz_user.load env.load setenvif.load
auth_basic.load autoindex.load fcgid.conf status.load
authn_file.load cgid.conf fcgid.load suexec.load
authz_default.load cgid.load mime.load
authz_groupfile.load dir.conf negotiation.load
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All enabled modules..
_________________
ServerAdmin - www.our-lan.com
"Diplomacy is the art of saying nice doggy whilst looking for a really big stick"
"In my experiece, any attempt to make any system idiot proof will only challenge God to make a better idiot" |
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IntuititveNipple
Junior Member
Joined: 03 Dec 2007
Posts: 22
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| Posted: Fri Dec 21, 2007 12:06 am Post subject: |
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You replied too quickly! I added another observation at the top of my response when I noticed Alias missing the trailing /
_________________
TJ.
IntuitiveNipple
The only intuitive interface is the nipple; everything else is learned. |
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Internat
Senior Member
Joined: 17 Aug 2004
Posts: 218
Location: Brisbane, Australia
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| Posted: Sat Dec 22, 2007 8:54 pm Post subject: |
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Excelent, that did indeed fix the problem, another question though, what is stopping the user navigating to the fcgi-bin/php5-default/php-fcgi-wrapper and viewing that file, cause i just checked that i could do that and i could indeed get to that file from the webpage.. might need to add a limit/deny to that..
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ServerAdmin - www.our-lan.com
"Diplomacy is the art of saying nice doggy whilst looking for a really big stick"
"In my experiece, any attempt to make any system idiot proof will only challenge God to make a better idiot" |
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IntuititveNipple
Junior Member
Joined: 03 Dec 2007
Posts: 22
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| Posted: Sun Dec 23, 2007 7:34 am Post subject: |
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I'm not sure what other rules you've got, possibly some RewriteRules, but on my pastebin at least, requesting that path reports:
| Code: |
GET /fcgi-bin/php5-default/php-fcgi-wrapper HTTP/1.1
HTTP/1.x 404 Not Found
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TJ.
IntuitiveNipple
The only intuitive interface is the nipple; everything else is learned. |
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kangaby
Senior Member
Joined: 20 Oct 2004
Posts: 94
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| Posted: Mon Dec 24, 2007 6:34 pm Post subject: |
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Found a really interesting way of running php as a cgi, while allowing the web data to be placed in /home/user/pubilc_html, without having to recomplie apache.
http://jp-larocque.livejournal.com/49475.html
Might be useful, and seems to work quite well. |
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Internat
Senior Member
Joined: 17 Aug 2004
Posts: 218
Location: Brisbane, Australia
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| Posted: Fri Jan 04, 2008 11:23 pm Post subject: |
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sorry.
i typed the url wrong
try navigating to /fcgi-bin/php-fcgi-wrapper and it outputs the wrapper code...
For the record, i have no rewrite rules at all or enabled.
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ServerAdmin - www.our-lan.com
"Diplomacy is the art of saying nice doggy whilst looking for a really big stick"
"In my experiece, any attempt to make any system idiot proof will only challenge God to make a better idiot" |
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IntuititveNipple
Junior Member
Joined: 03 Dec 2007
Posts: 22
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| Posted: Sat Jan 05, 2008 8:20 am Post subject: Block access to script source |
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Thanks for spotting that. An additional ReWriteRule is needed. I'll document it here and also edit the original article so no-one gets confused as this thread develops.
/etc/apache/sites-available/domain.net.conf
| Code: |
RewriteEngine on
RewriteLog /home/domain.net/logs/rewrite.log
RewriteLogLevel 9
RewriteRule ^/([a-z0-9]+)$ /pastebin.php?show=$1 [L]
ReWriteRule ^/fcgi-bin/[^/]*$ / [PT]
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This is the code I use for pastebin. Note I've added the [ L ] flag to the main pastebin RewriteRule to end processing there if that rule matches.
If not, and the url begins with /fcgi-bin/ it is rewritten to the root of the domain ( / ) and then passed back through [ PT ] the rewrite engine as a genuine request would appear.
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TJ.
IntuitiveNipple
The only intuitive interface is the nipple; everything else is learned.
Last edited by IntuititveNipple on Mon Apr 14, 2008 10:49 pm; edited 1 time in total |
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timnp
Newbie
Joined: 17 Jan 2008
Posts: 2
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| Posted: Thu Jan 17, 2008 7:00 pm Post subject: |
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Hi TJ.
You know me (I'll send you a PM), I was searching the net for how to install suexec for PHP as its been perplexing me for months. I started reading your guide and then realised part way down it was written by you. A small world eh?
Anyway I am still absolutely stuck. I'm running centos so I dont think all the packages are the same and my dev machine is php4, live is php5. I havent been able to get anywhere with either of them. I've followed all the guides as closely as I can and it always comes back to the same thing.
That is, my suexec.log is empty and the following php script
| Code: | <?php
system('whoami');
?> |
Always displays "apache"
I am really stuck and beginning to go round in circles and tear my hair out. Any help would be immeasurably appreciated. I think I have followed so many different guides that my install is a bit messed up now.
Incidentally, I AM using webmin and virtualmin but I didnt include those search terms when I came accross this page!
Thanks a lot,
Tim |
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IntuititveNipple
Junior Member
Joined: 03 Dec 2007
Posts: 22
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| Posted: Sat Jan 19, 2008 10:49 am Post subject: |
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| timnp wrote: | | You know me (I'll send you a PM) |
Reading that made me spit water over the screen, I laughed so much. It'd be a poor state of affairs if I forgot you! 
Email me so we can arrange a time to chat because I don't think our MSN schedules are currently synchronised.
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TJ.
IntuitiveNipple
The only intuitive interface is the nipple; everything else is learned. |
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timnp
Newbie
Joined: 17 Jan 2008
Posts: 2
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| Posted: Sat Jan 19, 2008 8:46 pm Post subject: |
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| I just tried that but it bounces on both the addresses I tried. Do you want to PM me the one you use these days? |
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