selinux-policy/refpolicy/policy/modules/services/apache.if
2005-12-01 18:01:21 +00:00

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## <summary>Apache web server</summary>
########################################
## <summary>
## Create a set of derived types for apache
## web content.
## </summary>
## <param name="prefix">
## The prefix to be used for deriving type names.
## </param>
#
template(`apache_content_template',`
# allow write access to public file transfer
# services files.
gen_tunable(allow_httpd_$1_script_anon_write,false)
#This type is for webpages
type httpd_$1_content_t, httpdcontent; # customizable
files_type(httpd_$1_content_t)
# This type is used for .htaccess files
type httpd_$1_htaccess_t; # customizable;
files_type(httpd_$1_htaccess_t)
# Type that CGI scripts run as
type httpd_$1_script_t;
domain_type(httpd_$1_script_t)
role system_r types httpd_$1_script_t;
# This type is used for executable scripts files
type httpd_$1_script_exec_t; # customizable;
domain_entry_file(httpd_$1_script_t,httpd_$1_script_exec_t)
# The following three are the only areas that
# scripts can read, read/write, or append to
type httpd_$1_script_ro_t, httpdcontent; # customizable
files_type(httpd_$1_script_ro_t)
type httpd_$1_script_rw_t, httpdcontent; # customizable
files_type(httpd_$1_script_rw_t)
type httpd_$1_script_ra_t, httpdcontent; # customizable
files_type(httpd_$1_script_ra_t)
allow httpd_t httpd_$1_htaccess_t:file r_file_perms;
domain_auto_trans(httpd_suexec_t, httpd_$1_script_exec_t, httpd_$1_script_t)
allow httpd_suexec_t httpd_$1_script_t:fd use;
allow httpd_$1_script_t httpd_suexec_t:fd use;
allow httpd_$1_script_t httpd_suexec_t:fifo_file rw_file_perms;
allow httpd_$1_script_t httpd_suexec_t:process sigchld;
allow httpd_suexec_t { httpd_$1_content_t httpd_$1_script_ro_t httpd_$1_script_rw_t httpd_$1_script_exec_t }:dir { getattr search };
allow httpd_$1_script_t self:fifo_file rw_file_perms;
allow httpd_$1_script_t self:unix_stream_socket connectto;
allow httpd_$1_script_t httpd_t:fifo_file write;
# apache should set close-on-exec
dontaudit httpd_$1_script_t httpd_t:unix_stream_socket { read write };
# Allow the script process to search the cgi directory, and users directory
allow httpd_$1_script_t httpd_$1_content_t:dir { getattr search };
allow httpd_$1_script_t httpd_log_t:file { getattr append };
allow httpd_$1_script_t httpd_log_t:dir search;
logging_search_logs(httpd_$1_script_t)
can_exec(httpd_$1_script_t, httpd_$1_script_exec_t)
allow httpd_$1_script_t httpd_$1_script_exec_t:dir { search getattr };
allow httpd_$1_script_t httpd_$1_script_ra_t:dir ra_dir_perms;
allow httpd_$1_script_t httpd_$1_script_ra_t:file ra_file_perms;
allow httpd_$1_script_t httpd_$1_script_ra_t:lnk_file { getattr read };
allow httpd_$1_script_t httpd_$1_script_ro_t:dir { getattr read search };
allow httpd_$1_script_t httpd_$1_script_ro_t:file { read getattr };
allow httpd_$1_script_t httpd_$1_script_ro_t:lnk_file { getattr read };
allow httpd_$1_script_t httpd_$1_script_rw_t:dir create_dir_perms;
allow httpd_$1_script_t httpd_$1_script_rw_t:file create_file_perms;
allow httpd_$1_script_t httpd_$1_script_rw_t:lnk_file create_lnk_perms;
allow httpd_$1_script_t httpd_$1_script_rw_t:sock_file create_file_perms;
allow httpd_$1_script_t httpd_$1_script_rw_t:fifo_file create_file_perms;
files_create_tmp_files(httpd_$1_script_t,httpd_$1_script_rw_t,{ dir file lnk_file sock_file fifo_file })
kernel_dontaudit_search_sysctl(httpd_$1_script_t)
kernel_dontaudit_search_kernel_sysctl(httpd_$1_script_t)
dev_read_rand(httpd_$1_script_t)
dev_read_urand(httpd_$1_script_t)
corecmd_exec_bin(httpd_$1_script_t)
corecmd_exec_sbin(httpd_$1_script_t)
domain_exec_all_entry_files(httpd_$1_script_t)
files_exec_etc_files(httpd_$1_script_t)
files_read_etc_files(httpd_$1_script_t)
files_search_home(httpd_$1_script_t)
libs_use_ld_so(httpd_$1_script_t)
libs_use_shared_libs(httpd_$1_script_t)
libs_exec_ld_so(httpd_$1_script_t)
libs_exec_lib_files(httpd_$1_script_t)
miscfiles_read_fonts(httpd_$1_script_t)
miscfiles_read_public_files(httpd_$1_script_t)
seutil_dontaudit_search_config(httpd_$1_script_t)
tunable_policy(`httpd_enable_cgi && httpd_unified',`
allow httpd_$1_script_t httpdcontent:dir create_dir_perms;
allow httpd_$1_script_t httpdcontent:file create_file_perms;
allow httpd_$1_script_t httpdcontent:lnk_file create_lnk_perms;
can_exec(httpd_$1_script_t, httpdcontent)
')
tunable_policy(`allow_httpd_$1_script_anon_write',`
miscfiles_manage_public_files(httpd_$1_script_t)
')
# Allow the web server to run scripts and serve pages
tunable_policy(`httpd_builtin_scripting',`
allow httpd_t httpd_$1_script_rw_t:dir create_dir_perms;
allow httpd_t httpd_$1_script_rw_t:file create_file_perms;
allow httpd_t httpd_$1_script_rw_t:lnk_file create_lnk_perms;
allow httpd_t httpd_$1_script_rw_t:sock_file rw_file_perms;
allow httpd_t httpd_$1_script_ra_t:dir ra_dir_perms;
allow httpd_t httpd_$1_script_ra_t:file ra_file_perms;
allow httpd_t httpd_$1_script_ra_t:lnk_file { getattr read };
allow httpd_t httpd_$1_script_ro_t:dir r_dir_perms;
allow httpd_t httpd_$1_script_ro_t:file r_file_perms;
allow httpd_t httpd_$1_script_ro_t:lnk_file { getattr read };
allow httpd_t httpd_$1_content_t:dir r_dir_perms;
allow httpd_t httpd_$1_content_t:file r_file_perms;
allow httpd_t httpd_$1_content_t:lnk_file { getattr read };
')
tunable_policy(`httpd_enable_cgi',`
allow httpd_$1_script_t httpd_$1_script_exec_t:file entrypoint;
# privileged users run the script:
domain_auto_trans(httpd_exec_scripts, httpd_$1_script_exec_t, httpd_$1_script_t)
allow httpd_exec_scripts httpd_$1_script_t:fd use;
allow httpd_$1_script_t httpd_exec_scripts:fd use;
allow httpd_$1_script_t httpd_exec_scripts:fifo_file rw_file_perms;
allow httpd_$1_script_t httpd_exec_scripts:process sigchld;
# apache runs the script:
domain_auto_trans(httpd_t, httpd_$1_script_exec_t, httpd_$1_script_t)
allow httpd_t httpd_$1_script_t:fd use;
allow httpd_$1_script_t httpd_t:fd use;
allow httpd_$1_script_t httpd_t:fifo_file rw_file_perms;
allow httpd_$1_script_t httpd_t:process sigchld;
allow httpd_t httpd_$1_script_t:process { signal sigkill sigstop };
allow httpd_t httpd_$1_script_exec_t:dir r_dir_perms;
allow httpd_t httpd_$1_script_exec_t:file r_file_perms;
allow httpd_$1_script_t self:process signal_perms;
allow httpd_$1_script_t self:unix_stream_socket create_stream_socket_perms;
allow httpd_$1_script_t httpd_t:fd use;
allow httpd_$1_script_t httpd_t:process sigchld;
kernel_read_system_state(httpd_$1_script_t)
dev_read_urand(httpd_$1_script_t)
fs_getattr_xattr_fs(httpd_$1_script_t)
files_read_etc_runtime_files(httpd_$1_script_t)
files_read_usr_files(httpd_$1_script_t)
libs_read_lib(httpd_$1_script_t)
miscfiles_read_localization(httpd_$1_script_t)
# added back to make sediff nicer
dev_rw_null_dev(httpd_$1_script_t)
term_use_controlling_term(httpd_$1_script_t)
allow httpd_$1_script_t self:dir r_dir_perms;
allow httpd_$1_script_t self:file r_file_perms;
allow httpd_$1_script_t self:lnk_file read;
')
tunable_policy(`httpd_enable_cgi && httpd_can_network_connect',`
allow httpd_$1_script_t self:tcp_socket create_stream_socket_perms;
allow httpd_$1_script_t self:udp_socket create_socket_perms;
corenet_tcp_sendrecv_all_if(httpd_$1_script_t)
corenet_udp_sendrecv_all_if(httpd_$1_script_t)
corenet_raw_sendrecv_all_if(httpd_$1_script_t)
corenet_tcp_sendrecv_all_nodes(httpd_$1_script_t)
corenet_udp_sendrecv_all_nodes(httpd_$1_script_t)
corenet_raw_sendrecv_all_nodes(httpd_$1_script_t)
corenet_tcp_sendrecv_all_ports(httpd_$1_script_t)
corenet_udp_sendrecv_all_ports(httpd_$1_script_t)
corenet_tcp_bind_all_nodes(httpd_$1_script_t)
corenet_udp_bind_all_nodes(httpd_$1_script_t)
corenet_tcp_connect_all_ports(httpd_$1_script_t)
sysnet_read_config(httpd_$1_script_t)
')
optional_policy(`mount',`
tunable_policy(`httpd_enable_cgi && httpd_can_network_connect',`
mount_send_nfs_client_request(httpd_$1_script_t)
')
')
optional_policy(`mta',`
mta_send_mail(httpd_$1_script_t)
')
optional_policy(`nis',`
tunable_policy(`httpd_enable_cgi && allow_ypbind',`
nis_use_ypbind_uncond(httpd_$1_script_t)
')
')
optional_policy(`nscd',`
nscd_use_socket(httpd_$1_script_t)
')
')
#######################################
## <summary>
## The per user domain template for the apache module.
## </summary>
## <desc>
## <p>
## This template creates types used for web pages
## and web cgi to be used from the user home directory.
## </p>
## <p>
## This template is invoked automatically for each user, and
## generally does not need to be invoked directly
## by policy writers.
## </p>
## </desc>
## <param name="userdomain_prefix">
## The prefix of the user domain (e.g., user
## is the prefix for user_t).
## </param>
## <param name="user_domain">
## The type of the user domain.
## </param>
## <param name="user_role">
## The role associated with the user domain.
## </param>
#
template(`apache_per_userdomain_template', `
gen_require(`
attribute httpdcontent, httpd_script_domains;
attribute httpd_exec_scripts;
type httpd_t, httpd_suexec_t, httpd_log_t;
')
apache_content_template($1)
typeattribute httpd_$1_content_t httpd_script_domains;
userdom_home_file($1,httpd_$1_content_t)
role $3 types httpd_$1_script_t;
allow $2 httpd_$1_content_t:{ dir file lnk_file } { relabelto relabelfrom };
allow $2 httpd_$1_htaccess_t:file { create_file_perms relabelto relabelfrom };
allow $2 httpd_$1_script_ra_t:lnk_file { create_lnk_perms relabelto relabelfrom };
allow $2 httpd_$1_script_ra_t:dir { create_dir_perms relabelto relabelfrom };
allow $2 httpd_$1_script_ra_t:file { create_file_perms relabelto relabelfrom };
allow $2 httpd_$1_script_ro_t:lnk_file { create_lnk_perms relabelto relabelfrom };
allow $2 httpd_$1_script_ro_t:dir { create_dir_perms relabelto relabelfrom };
allow $2 httpd_$1_script_ro_t:file { create_file_perms relabelto relabelfrom };
allow $2 httpd_$1_script_rw_t:lnk_file { create_lnk_perms relabelto relabelfrom };
allow $2 httpd_$1_script_rw_t:dir { create_dir_perms relabelto relabelfrom };
allow $2 httpd_$1_script_rw_t:file { create_file_perms relabelto relabelfrom };
allow $2 httpd_$1_script_exec_t:dir create_dir_perms;
allow $2 httpd_$1_script_exec_t:file create_file_perms;
allow $2 httpd_$1_script_exec_t:lnk_file create_lnk_perms;
allow $2 httpd_$1_script_exec_t:dir { create_dir_perms relabelto relabelfrom };
allow $2 httpd_$1_script_exec_t:file { create_file_perms relabelto relabelfrom };
allow $2 httpd_$1_script_exec_t:lnk_file { create_lnk_perms relabelto relabelfrom };
tunable_policy(`httpd_enable_cgi',`
# If a user starts a script by hand it gets the proper context
domain_auto_trans($2, httpd_$1_script_exec_t, httpd_$1_script_t)
allow $2 httpd_$1_script_t:fd use;
allow httpd_$1_script_t $2:fd use;
allow httpd_$1_script_t $2:fifo_file rw_file_perms;
allow httpd_$1_script_t $2:process sigchld;
')
tunable_policy(`httpd_enable_cgi && httpd_unified',`
allow httpd_$1_script_t httpdcontent:file entrypoint;
domain_auto_trans($2, httpdcontent, httpd_$1_script_t)
allow $2 httpd_$1_script_t:fd use;
allow httpd_$1_script_t $2:fd use;
allow httpd_$1_script_t $2:fifo_file rw_file_perms;
allow httpd_$1_script_t $2:process sigchld;
')
# allow accessing files/dirs below the users home dir
tunable_policy(`httpd_enable_homedirs',`
userdom_search_user_home($1,httpd_t)
userdom_search_user_home($1,httpd_suexec_t)
userdom_search_user_home($1,httpd_$1_script_t)
')
')
########################################
## <summary>
## Transition to apache.
## </summary>
## <param name="domain">
## Domain allowed access.
## </param>
#
interface(`apache_domtrans',`
gen_require(`
type httpd_t, httpd_exec_t;
')
corecmd_search_sbin($1)
domain_auto_trans($1,httpd_exec_t,httpd_t)
allow $1 httpd_t:fd use;
allow httpd_t $1:fd use;
allow httpd_t $1:fifo_file rw_file_perms;
allow httpd_t $1:process sigchld;
')
########################################
## <summary>
## Send a null signal to apache.
## </summary>
## <param name="domain">
## Domain allowed access.
## </param>
#
interface(`apache_signull',`
gen_require(`
type httpd_t;
')
allow $1 httpd_t:process signull;
')
########################################
## <summary>
## Send a SIGCHLD signal to apache.
## </summary>
## <param name="domain">
## Domain allowed access.
## </param>
#
interface(`apache_sigchld',`
gen_require(`
type httpd_t;
')
allow $1 httpd_t:process sigchld;
')
########################################
## <summary>
## Inherit and use file descriptors from Apache.
## </summary>
## <param name="domain">
## Domain allowed access.
## </param>
#
interface(`apache_use_fd',`
gen_require(`
type httpd_t;
')
allow $1 httpd_t:fd use;
')
########################################
## <summary>
## Do not audit attempts to read and write Apache
## unix domain stream sockets.
## </summary>
## <param name="domain">
## Domain allowed access.
## </param>
#
interface(`apache_dontaudit_rw_stream_socket',`
gen_require(`
type httpd_t;
')
dontaudit $1 httpd_t:unix_stream_socket { read write };
')
########################################
## <summary>
## Do not audit attempts to read and write Apache
## TCP sockets.
## </summary>
## <param name="domain">
## Domain allowed access.
## </param>
#
interface(`apache_dontaudit_rw_tcp_socket',`
gen_require(`
type httpd_t;
')
dontaudit $1 httpd_t:tcp_socket { read write };
')
########################################
## <summary>
## Allow the specified domain to read
## apache configuration files.
## </summary>
## <param name="domain">
## Domain allowed access.
## </param>
#
interface(`apache_read_config',`
gen_require(`
type httpd_config_t;
')
files_search_etc($1)
allow $1 httpd_config_t:dir r_dir_perms;
allow $1 httpd_config_t:file r_file_perms;
allow $1 httpd_config_t:lnk_file { getattr read };
')
########################################
## <summary>
## Execute the Apache helper program with
## a domain transition.
## </summary>
## <param name="domain">
## Domain allowed access.
## </param>
#
interface(`apache_domtrans_helper',`
gen_require(`
type httpd_helper_t, httpd_helper_exec_t;
')
corecmd_search_sbin($1)
domain_auto_trans($1,httpd_helper_exec_t,httpd_helper_t)
allow $1 httpd_helper_t:fd use;
allow httpd_helper_t $1:fd use;
allow httpd_helper_t $1:fifo_file rw_file_perms;
allow httpd_helper_t $1:process sigchld;
')
########################################
## <summary>
## Execute the Apache helper program with
## a domain transition, and allow the
## specified role the dmidecode domain.
## </summary>
## <param name="domain">
## Domain allowed access.
## </param>
## <param name="role">
## The role to be allowed the dmidecode domain.
## </param>
## <param name="terminal">
## The type of the terminal allow the dmidecode domain to use.
## </param>
#
interface(`apache_run_helper',`
gen_require(`
type httpd_helper_t;
')
apache_domtrans_helper($1)
role $2 types httpd_helper_t;
allow httpd_helper_t $3:chr_file rw_term_perms;
')
########################################
## <summary>
## Allow the specified domain to read
## apache log files.
## </summary>
## <param name="domain">
## Domain allowed access.
## </param>
#
interface(`apache_read_log',`
gen_require(`
type httpd_log_t;
')
files_search_var($1)
allow $1 httpd_log_t:dir r_dir_perms;
allow $1 httpd_log_t:file r_file_perms;
allow $1 httpd_log_t:lnk_file { getattr read };
')
########################################
## <summary>
## Do not audit attempts to append to the
## Apache logs.
## </summary>
## <param name="domain">
## Domain to not audit.
## </param>
#
interface(`apache_dontaudit_append_log',`
gen_require(`
type httpd_log_t;
')
dontaudit $1 httpd_log_t:file { getattr append };
')
########################################
## <summary>
## Do not audit attempts to search Apache
## module directories.
## </summary>
## <param name="domain">
## Domain to not audit.
## </param>
#
interface(`apache_dontaudit_search_modules',`
gen_require(`
type httpd_modules_t;
')
allow $1 httpd_modules_t:dir r_dir_perms;
')
########################################
## <summary>
## Allow the specified domain to list
## the contents of the apache modules
## directory.
## </summary>
## <param name="domain">
## Domain allowed access.
## </param>
#
interface(`apache_list_modules',`
gen_require(`
type httpd_modules_t;
')
allow $1 httpd_modules_t:dir r_dir_perms;
')
########################################
## <summary>
## Allow the specified domain to manage
## apache system content files.
## </summary>
## <param name="domain">
## Domain allowed access.
## </param>
#
# Note that httpd_sys_content_t is found in /var, /etc, /srv and /usr
interface(`apache_manage_sys_content',`
gen_require(`
type httpd_sys_content_t;
')
files_search_var($1)
allow $1 httpd_sys_content_t:dir create_dir_perms;
allow $1 httpd_sys_content_t:file create_file_perms;
allow $1 httpd_sys_content_t:lnk_file create_lnk_perms;
')
########################################
## <summary>
## Execute all web scripts in the system
## script domain.
## </summary>
## <param name="domain">
## Domain allowed access.
## </param>
#
# cjp: this interface specifically added to allow
# sysadm_t to run scripts
interface(`apache_domtrans_sys_script',`
gen_require(`
attribute httpdcontent;
type httpd_sys_script_t;
')
tunable_policy(`httpd_enable_cgi && httpd_unified',`
domain_auto_trans($1, httpdcontent, httpd_sys_script_t)
allow $1 httpd_sys_script_t:fd use;
allow httpd_sys_script_t $1:fd use;
allow httpd_sys_script_t $1:fifo_file rw_file_perms;
allow httpd_sys_script_t $1:process sigchld;
')
')
########################################
## <summary>
## Do not audit attempts to read and write Apache
## system script unix domain stream sockets.
## </summary>
## <param name="domain">
## Domain allowed access.
## </param>
#
interface(`apache_dontaudit_rw_sys_script_stream_socket',`
gen_require(`
type httpd_sys_script_t;
')
dontaudit $1 httpd_sys_script_t:unix_stream_socket { read write };
')
########################################
## <summary>
## Execute all user scripts in the user
## script domain.
## </summary>
## <param name="domain">
## Domain allowed access.
## </param>
#
interface(`apache_domtrans_all_scripts',`
gen_require(`
attribute httpd_exec_scripts;
')
typeattribute $1 httpd_exec_scripts;
')
########################################
## <summary>
## Execute all user scripts in the user
## script domain. Add user script domains
## to the specified role.
## </summary>
## <param name="domain">
## Domain allowed access.
## </param>
## <param name="role">
## The role to be allowed the script domains.
## </param>
#
# cjp: this is missing the terminal since scripts
# do not output to the terminal
interface(`apache_run_all_scripts',`
gen_require(`
attribute httpd_exec_scripts, httpd_script_domains;
')
role $2 types httpd_script_domains;
apache_domtrans_all_scripts($1)
')
########################################
## <summary>
## Allow the specified domain to read
## apache squirrelmail data.
## </summary>
## <param name="domain">
## Domain allowed access.
## </param>
#
interface(`apache_read_squirrelmail_data',`
gen_require(`
type httpd_squirrelmail_t;
')
allow $1 httpd_squirrelmail_t:file { getattr read };
')
########################################
## <summary>
## Allow the specified domain to append
## apache squirrelmail data.
## </summary>
## <param name="domain">
## Domain allowed access.
## </param>
#
interface(`apache_append_squirrelmail_data',`
gen_require(`
type httpd_squirrelmail_t;
')
allow $1 httpd_squirrelmail_t:file { getattr append };
')
########################################
## <summary>
## Search system script state directory.
## </summary>
## <param name="domain">
## Domain to not audit.
## </param>
#
interface(`apache_search_sys_script_state',`
gen_require(`
type httpd_sys_script_t;
')
allow $1 httpd_sys_script_t:dir search;
')