Paul Howarth wrote:
On Fri, 2006-05-26 at 14:18 -0400, Daniel J Walsh wrote:
Paul Howarth wrote:
I made something similar for my moin wiki running under mod_fcgid:
te file:
policy_module(apache, 0.2.1)
require {
type devpts_t;
type httpd_t;
type httpd_log_t;
type httpd_sys_script_exec_t;
type var_run_t;
};
# ==========================================================
# Create and use httpd_fastcgi_script_t for mod_fcgid apps
# ==========================================================
apache_content_template(fastcgi)
kernel_read_kernel_sysctls(httpd_fastcgi_script_t)
# Allow FastCGI applications to live alongside regular CGI apps
allow httpd_fastcgi_script_t httpd_sys_script_exec_t:dir {
search_dir_perms };
# Allow FastCGI applications to listen for FastCGI requests on their
# sockets and respond to them
allow httpd_fastcgi_script_t httpd_t:unix_stream_socket {
rw_stream_socket_perms };
# FastCGI application doing something to the httpd error log
dontaudit httpd_fastcgi_script_t httpd_log_t:file ioctl;
# Not sure what this is doing (happens when fastcgi scripts start)
dontaudit httpd_t devpts_t:chr_file ioctl;
# mod_fcgid setting attr of its socket dir
allow httpd_t var_run_t:dir setattr;
Why not create a context for its socket dir so you don't need this for
var_run?
The obvious type to use would really be httpd_var_run_t rather than
creating a new type (comparing with other users of /var/run). In fact I
think I tried that but it seemed worse than leaving it the default
var_run_t and adding the one allow rule. What would you suggest?
What errors do you see?
We already have these rules in policy
allow httpd_t httpd_var_run_t:file create_file_perms;
allow httpd_t httpd_var_run_t:sock_file create_file_perms;
allow httpd_t httpd_var_run_t:dir rw_dir_perms;
files_pid_filetrans(httpd_t,httpd_var_run_t, { file sock_file })
Which should be able to handle this if you relabel the /var/run/XYZ dir.
fc file:
/srv/www/tips/cgi-bin/moin.fcgi --
gen_context(system_u:object_r:httpd_fastcgi_script_exec_t,s0)
/var/www/tips/cgi-bin/moin.fcgi --
gen_context(system_u:object_r:httpd_fastcgi_script_exec_t,s0)
Paul.
I think it might be a good idea to add this (fastcgi that is) policy to
base. Have you tried to submit it upstream?
Not yet; it probably needs more work to add further capabilities, as
I've only use one application with FastCGI myself, and I can see that
httpd_sys_script_t has far more capabilities that I've so far allowed to
httpd_fastcgi_script_t. Perhaps there should be a interface that goes
further than apache_content_template and adds capabilities needed by
most server-side scripts (e.g. the kernel_read_kernel_sysctls from
above), for use in developing custom types like httpd_fastcgi_script_t?
Paul.
you could create an
apache_fastcgi_content_template in an if to do what you want.
Almost all httpd_sys_ rules are defined in apache_content_template
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