Hello List,
i hope this is the right place to get helped. I have a promising setup
for testing purposes, but unfortunately i ran quick into problems.
I compiled a minimal libphp7.so (7.2.1) using this line:
./configure --disable-all --enable-static --prefix=/usr
--with-apxs2=/usr/bin/apxs2 --enable-maintainer-zts
I enabled threadsafety to use this libphp7.so in apache 2.4 with a
threaded mpm like worker or event. the plan is to just load it with
LoadModule in apache but not to use it.
the real php-processing is done by a fastcgi-setup in apache using
php-fpm (not needed to reproduce error). the idea is to support
php_value/php_flag etc. in .htaccess files for my users even if they use
a fastcgi-setup. all i need is htscanner extension for php-cgi and just
a loaded libphpx.so to register these directives in apache. may be this
is a dump idea, but i have thousands of users who use libphpx.so and a
huge number of .htaccess with php_value/php_flag directives. currently i
see no possibility to tell users to switch to .user.ini
First steps are really successful and all worked well. Even benchmarking
the system with massrequests did not show any error. php_value/php_flag
in .htaccess showed expected behaviour when requesting a php-file using
fastcgi.
Unfortunately there is only a small change to see lots of segfaults in
errorlog: Just enable a php_value directive in VHost-Config for this
particular VHost along with a php_value directive in .htaccess in
docroot of this VHost. It is not needed to request a php-file, just
requesting a small static file is enough. The smaller the requested file
and higher requests per second the higher is count of segfaults.
I knew that threadsafe-compiled php is a problematic thing and recommend
mpm is prefork when not using a fastcgi-configuration, but iam surprised
that i see the crashes so easily. I used a minimal php and it seems
problem occurs just by reading and applying the values set by php_value
for particular request.
Do i have a chance to get this setup safe?
Thanks a lot,
Hajo
--
PHP Internals - PHP Runtime Development Mailing List
To unsubscribe, visit: http://www.php.net/unsub.php
