selinux-policy/policy/modules/services/squid.te


policy_module(squid,1.2.0)

########################################
#
# Declarations
#

type squid_t;
type squid_exec_t;
init_daemon_domain(squid_t,squid_exec_t)

# type for /var/cache/squid
type squid_cache_t;
files_type(squid_cache_t)

type squid_conf_t;
files_type(squid_conf_t)

type squid_log_t;
logging_log_file(squid_log_t)

type squid_var_run_t;
files_pid_file(squid_var_run_t)

########################################
#
# Local policy
#

allow squid_t self:capability { setgid setuid dac_override sys_resource };
dontaudit squid_t self:capability sys_tty_config;
allow squid_t self:process ~{ ptrace setcurrent setexec setfscreate execmem execstack execheap };
allow squid_t self:fifo_file rw_fifo_file_perms;
allow squid_t self:sock_file read_sock_file_perms;
allow squid_t self:fd use;
allow squid_t self:shm create_shm_perms;
allow squid_t self:sem create_sem_perms;
allow squid_t self:msgq create_msgq_perms;
allow squid_t self:msg { send receive };
allow squid_t self:unix_stream_socket create_stream_socket_perms;
allow squid_t self:unix_dgram_socket create_socket_perms;
allow squid_t self:unix_dgram_socket sendto;
allow squid_t self:unix_stream_socket connectto;
allow squid_t self:tcp_socket create_stream_socket_perms;
allow squid_t self:udp_socket create_socket_perms;

# Grant permissions to create, access, and delete cache files.
manage_dirs_pattern(squid_t,squid_cache_t,squid_cache_t)
manage_files_pattern(squid_t,squid_cache_t,squid_cache_t)
manage_lnk_files_pattern(squid_t,squid_cache_t,squid_cache_t)

allow squid_t squid_conf_t:dir list_dir_perms;
read_files_pattern(squid_t,squid_conf_t,squid_conf_t)
read_lnk_files_pattern(squid_t,squid_conf_t,squid_conf_t)

can_exec(squid_t,squid_exec_t)

manage_files_pattern(squid_t,squid_log_t,squid_log_t)
logging_log_filetrans(squid_t,squid_log_t,{ file dir })

manage_files_pattern(squid_t,squid_var_run_t,squid_var_run_t)
files_pid_filetrans(squid_t,squid_var_run_t,file)

kernel_read_kernel_sysctls(squid_t)
kernel_read_system_state(squid_t)

files_dontaudit_getattr_boot_dirs(squid_t)

corenet_non_ipsec_sendrecv(squid_t)
corenet_tcp_sendrecv_all_if(squid_t)
corenet_udp_sendrecv_all_if(squid_t)
corenet_tcp_sendrecv_all_nodes(squid_t)
corenet_udp_sendrecv_all_nodes(squid_t)
corenet_tcp_sendrecv_all_ports(squid_t)
corenet_udp_sendrecv_all_ports(squid_t)
corenet_tcp_bind_all_nodes(squid_t)
corenet_udp_bind_all_nodes(squid_t)
corenet_tcp_bind_http_cache_port(squid_t)
corenet_udp_bind_http_cache_port(squid_t)
corenet_tcp_bind_ftp_port(squid_t)
corenet_tcp_bind_gopher_port(squid_t)
corenet_udp_bind_gopher_port(squid_t)
corenet_tcp_connect_ftp_port(squid_t)
corenet_tcp_connect_gopher_port(squid_t)
corenet_tcp_connect_http_port(squid_t)
corenet_tcp_connect_http_cache_port(squid_t)
corenet_sendrecv_http_client_packets(squid_t)
corenet_sendrecv_ftp_client_packets(squid_t)
corenet_sendrecv_gopher_client_packets(squid_t)
corenet_sendrecv_http_cache_server_packets(squid_t)
corenet_sendrecv_http_cache_client_packets(squid_t)

dev_read_sysfs(squid_t)
dev_read_urand(squid_t)

fs_getattr_all_fs(squid_t)
fs_search_auto_mountpoints(squid_t)

selinux_dontaudit_getattr_dir(squid_t)

term_dontaudit_use_console(squid_t)
term_dontaudit_getattr_pty_dirs(squid_t)

# to allow running programs from /usr/lib/squid (IE unlinkd)
corecmd_exec_bin(squid_t)
corecmd_exec_sbin(squid_t)
corecmd_exec_shell(squid_t)

domain_use_interactive_fds(squid_t)

files_read_etc_files(squid_t)
files_read_etc_runtime_files(squid_t)
files_read_usr_files(squid_t)
files_search_spool(squid_t)
files_dontaudit_getattr_tmp_dirs(squid_t)
files_getattr_home_dir(squid_t)

init_use_fds(squid_t)
init_use_script_ptys(squid_t)

libs_use_ld_so(squid_t)
libs_use_shared_libs(squid_t)
# to allow running programs from /usr/lib/squid (IE unlinkd)
libs_exec_lib_files(squid_t)

logging_send_syslog_msg(squid_t)

miscfiles_read_certs(squid_t)
miscfiles_read_localization(squid_t)

sysnet_dns_name_resolve(squid_t)
sysnet_read_config(squid_t)

userdom_use_unpriv_users_fds(squid_t)
userdom_dontaudit_use_unpriv_user_fds(squid_t)
userdom_dontaudit_search_sysadm_home_dirs(squid_t)

ifdef(`targeted_policy', `
	term_dontaudit_use_unallocated_ttys(squid_t)
	term_dontaudit_use_generic_ptys(squid_t)
	files_dontaudit_read_root_files(squid_t)
')

tunable_policy(`squid_connect_any',`
	corenet_tcp_connect_all_ports(squid_t)
')

optional_policy(`
	allow squid_t self:capability kill;
	cron_use_fds(squid_t)
	cron_use_system_job_fds(squid_t)
	cron_rw_pipes(squid_t)
	cron_write_system_job_pipes(squid_t)
')

optional_policy(`
	nis_use_ypbind(squid_t)
')

optional_policy(`
	nscd_socket_use(squid_t)
')

optional_policy(`
	samba_domtrans_winbind_helper(squid_t)
')

optional_policy(`
	seutil_sigchld_newrole(squid_t)
')

optional_policy(`
	udev_read_db(squid_t)
')

ifdef(`TODO',`
#squid requires the following when run in diskd mode, the recommended setting
allow squid_t tmpfs_t:file { read write };
') dnl end TODO
add squid 2005-09-02 19:11:07 +00:00
bump versions to release numbers 2006-10-18 19:25:27 +00:00			`policy_module(squid,1.2.0)`
add squid 2005-09-02 19:11:07 +00:00
			`########################################`
			`#`
			`# Declarations`
			`#`

			`type squid_t;`
			`type squid_exec_t;`
			`init_daemon_domain(squid_t,squid_exec_t)`

			`# type for /var/cache/squid`
			`type squid_cache_t;`
			`files_type(squid_cache_t)`

			`type squid_conf_t;`
			`files_type(squid_conf_t)`

			`type squid_log_t;`
			`logging_log_file(squid_log_t)`

			`type squid_var_run_t;`
			`files_pid_file(squid_var_run_t)`

			`########################################`
			`#`
			`# Local policy`
			`#`

patch from dan Wed, 23 Aug 2006 14:03:49 -0400 2006-08-29 02:41:00 +00:00			`allow squid_t self:capability { setgid setuid dac_override sys_resource };`
add squid 2005-09-02 19:11:07 +00:00			`dontaudit squid_t self:capability sys_tty_config;`
patch from dan Wed, 23 Aug 2006 14:03:49 -0400 2006-08-29 02:41:00 +00:00			`allow squid_t self:process ~{ ptrace setcurrent setexec setfscreate execmem execstack execheap };`
merge policy patterns to trunk 2006-12-12 20:08:08 +00:00			`allow squid_t self:fifo_file rw_fifo_file_perms;`
			`allow squid_t self:sock_file read_sock_file_perms;`
add squid 2005-09-02 19:11:07 +00:00			`allow squid_t self:fd use;`
			`allow squid_t self:shm create_shm_perms;`
			`allow squid_t self:sem create_sem_perms;`
			`allow squid_t self:msgq create_msgq_perms;`
			`allow squid_t self:msg { send receive };`
another pile o fixes 2005-10-26 18:07:20 +00:00			`allow squid_t self:unix_stream_socket create_stream_socket_perms;`
			`allow squid_t self:unix_dgram_socket create_socket_perms;`
			`allow squid_t self:unix_dgram_socket sendto;`
			`allow squid_t self:unix_stream_socket connectto;`
			`allow squid_t self:tcp_socket create_stream_socket_perms;`
			`allow squid_t self:udp_socket create_socket_perms;`
add squid 2005-09-02 19:11:07 +00:00
			`# Grant permissions to create, access, and delete cache files.`
merge policy patterns to trunk 2006-12-12 20:08:08 +00:00			`manage_dirs_pattern(squid_t,squid_cache_t,squid_cache_t)`
			`manage_files_pattern(squid_t,squid_cache_t,squid_cache_t)`
			`manage_lnk_files_pattern(squid_t,squid_cache_t,squid_cache_t)`
add squid 2005-09-02 19:11:07 +00:00
merge policy patterns to trunk 2006-12-12 20:08:08 +00:00			`allow squid_t squid_conf_t:dir list_dir_perms;`
			`read_files_pattern(squid_t,squid_conf_t,squid_conf_t)`
			`read_lnk_files_pattern(squid_t,squid_conf_t,squid_conf_t)`
add squid 2005-09-02 19:11:07 +00:00
			`can_exec(squid_t,squid_exec_t)`

merge policy patterns to trunk 2006-12-12 20:08:08 +00:00			`manage_files_pattern(squid_t,squid_log_t,squid_log_t)`
another round of renaming 2006-02-21 18:40:44 +00:00			`logging_log_filetrans(squid_t,squid_log_t,{ file dir })`
add squid 2005-09-02 19:11:07 +00:00
merge policy patterns to trunk 2006-12-12 20:08:08 +00:00			`manage_files_pattern(squid_t,squid_var_run_t,squid_var_run_t)`
make (almost) all interface parameters required. move boot_t, system_map_t, and modules_object_t to files module. fd use interface renames, udp sendto interface renames. 2006-03-02 23:41:11 +00:00			`files_pid_filetrans(squid_t,squid_var_run_t,file)`
add squid 2005-09-02 19:11:07 +00:00
renaming from 20060131 interface review, round 2 2006-01-31 16:49:43 +00:00			`kernel_read_kernel_sysctls(squid_t)`
add squid 2005-09-02 19:11:07 +00:00			`kernel_read_system_state(squid_t)`

make (almost) all interface parameters required. move boot_t, system_map_t, and modules_object_t to files module. fd use interface renames, udp sendto interface renames. 2006-03-02 23:41:11 +00:00			`files_dontaudit_getattr_boot_dirs(squid_t)`
add squid 2005-09-02 19:11:07 +00:00
updates for nfs, squid, and mta 2006-05-26 20:29:51 +00:00			`corenet_non_ipsec_sendrecv(squid_t)`
add squid 2005-09-02 19:11:07 +00:00			`corenet_tcp_sendrecv_all_if(squid_t)`
			`corenet_udp_sendrecv_all_if(squid_t)`
			`corenet_tcp_sendrecv_all_nodes(squid_t)`
			`corenet_udp_sendrecv_all_nodes(squid_t)`
			`corenet_tcp_sendrecv_all_ports(squid_t)`
			`corenet_udp_sendrecv_all_ports(squid_t)`
			`corenet_tcp_bind_all_nodes(squid_t)`
			`corenet_udp_bind_all_nodes(squid_t)`
			`corenet_tcp_bind_http_cache_port(squid_t)`
patch from dan Wed, 26 Jul 2006 14:42:46 -0400 2006-07-28 15:13:58 +00:00			`corenet_udp_bind_http_cache_port(squid_t)`
partial (most of it) merge of selinux-policy-strict-sources-1.27.1-15 2005-10-13 20:59:36 +00:00			`corenet_tcp_bind_ftp_port(squid_t)`
			`corenet_tcp_bind_gopher_port(squid_t)`
patch from dan Wed, 26 Jul 2006 14:42:46 -0400 2006-07-28 15:13:58 +00:00			`corenet_udp_bind_gopher_port(squid_t)`
more merging of NSA CVS policy 2005-09-13 13:06:07 +00:00			`corenet_tcp_connect_ftp_port(squid_t)`
			`corenet_tcp_connect_gopher_port(squid_t)`
			`corenet_tcp_connect_http_port(squid_t)`
missing tcp connect for http cache 2006-07-12 13:17:24 +00:00			`corenet_tcp_connect_http_cache_port(squid_t)`
updates for nfs, squid, and mta 2006-05-26 20:29:51 +00:00			`corenet_sendrecv_http_client_packets(squid_t)`
			`corenet_sendrecv_ftp_client_packets(squid_t)`
			`corenet_sendrecv_gopher_client_packets(squid_t)`
			`corenet_sendrecv_http_cache_server_packets(squid_t)`
			`corenet_sendrecv_http_cache_client_packets(squid_t)`
add squid 2005-09-02 19:11:07 +00:00
			`dev_read_sysfs(squid_t)`
			`dev_read_urand(squid_t)`

			`fs_getattr_all_fs(squid_t)`
			`fs_search_auto_mountpoints(squid_t)`

			`selinux_dontaudit_getattr_dir(squid_t)`

			`term_dontaudit_use_console(squid_t)`
another slew of renaming 2006-02-02 21:08:12 +00:00			`term_dontaudit_getattr_pty_dirs(squid_t)`
add squid 2005-09-02 19:11:07 +00:00
			`# to allow running programs from /usr/lib/squid (IE unlinkd)`
			`corecmd_exec_bin(squid_t)`
			`corecmd_exec_sbin(squid_t)`
			`corecmd_exec_shell(squid_t)`

another round of renaming 2006-02-20 21:33:25 +00:00			`domain_use_interactive_fds(squid_t)`
add squid 2005-09-02 19:11:07 +00:00
			`files_read_etc_files(squid_t)`
			`files_read_etc_runtime_files(squid_t)`
			`files_read_usr_files(squid_t)`
			`files_search_spool(squid_t)`
renaming from 20060131 interface review, round 3 2006-01-31 19:21:01 +00:00			`files_dontaudit_getattr_tmp_dirs(squid_t)`
add squid 2005-09-02 19:11:07 +00:00			`files_getattr_home_dir(squid_t)`

make (almost) all interface parameters required. move boot_t, system_map_t, and modules_object_t to files module. fd use interface renames, udp sendto interface renames. 2006-03-02 23:41:11 +00:00			`init_use_fds(squid_t)`
another slew of renaming 2006-02-02 21:08:12 +00:00			`init_use_script_ptys(squid_t)`
add squid 2005-09-02 19:11:07 +00:00
			`libs_use_ld_so(squid_t)`
			`libs_use_shared_libs(squid_t)`
			`# to allow running programs from /usr/lib/squid (IE unlinkd)`
			`libs_exec_lib_files(squid_t)`

			`logging_send_syslog_msg(squid_t)`

more fixes 2005-10-21 21:35:25 +00:00			`miscfiles_read_certs(squid_t)`
add squid 2005-09-02 19:11:07 +00:00			`miscfiles_read_localization(squid_t)`

updates for nfs, squid, and mta 2006-05-26 20:29:51 +00:00			`sysnet_dns_name_resolve(squid_t)`
another pile o fixes 2005-10-26 18:07:20 +00:00			`sysnet_read_config(squid_t)`

another round of renaming 2006-02-21 18:40:44 +00:00			`userdom_use_unpriv_users_fds(squid_t)`
another round of renaming 2006-02-20 21:33:25 +00:00			`userdom_dontaudit_use_unpriv_user_fds(squid_t)`
another round of renaming 2006-02-21 18:40:44 +00:00			`userdom_dontaudit_search_sysadm_home_dirs(squid_t)`
add squid 2005-09-02 19:11:07 +00:00
			ifdef(`targeted_policy', `
another slew of renaming 2006-02-02 21:08:12 +00:00			`term_dontaudit_use_unallocated_ttys(squid_t)`
			`term_dontaudit_use_generic_ptys(squid_t)`
renaming from 20060131 interface review, round 3 2006-01-31 19:21:01 +00:00			`files_dontaudit_read_root_files(squid_t)`
add squid 2005-09-02 19:11:07 +00:00			`')`

more merging of NSA CVS policy 2005-09-13 13:06:07 +00:00			tunable_policy(`squid_connect_any',`
			`corenet_tcp_connect_all_ports(squid_t)`
			`')`

deprecate module name as first parameter of optional_policy() 2006-03-24 16:13:54 +00:00			optional_policy(`
add squid 2005-09-02 19:11:07 +00:00			`allow squid_t self:capability kill;`
make (almost) all interface parameters required. move boot_t, system_map_t, and modules_object_t to files module. fd use interface renames, udp sendto interface renames. 2006-03-02 23:41:11 +00:00			`cron_use_fds(squid_t)`
another round of renaming 2006-02-20 21:33:25 +00:00			`cron_use_system_job_fds(squid_t)`
another slew of renaming 2006-02-02 21:08:12 +00:00			`cron_rw_pipes(squid_t)`
			`cron_write_system_job_pipes(squid_t)`
add squid 2005-09-02 19:11:07 +00:00			`')`

deprecate module name as first parameter of optional_policy() 2006-03-24 16:13:54 +00:00			optional_policy(`
add squid 2005-09-02 19:11:07 +00:00			`nis_use_ypbind(squid_t)`
			`')`

deprecate module name as first parameter of optional_policy() 2006-03-24 16:13:54 +00:00			optional_policy(`
another slew of renaming 2006-02-02 21:08:12 +00:00			`nscd_socket_use(squid_t)`
add squid 2005-09-02 19:11:07 +00:00			`')`

deprecate module name as first parameter of optional_policy() 2006-03-24 16:13:54 +00:00			optional_policy(`
another pile o fixes 2005-10-26 18:07:20 +00:00			`samba_domtrans_winbind_helper(squid_t)`
			`')`

deprecate module name as first parameter of optional_policy() 2006-03-24 16:13:54 +00:00			optional_policy(`
add squid 2005-09-02 19:11:07 +00:00			`seutil_sigchld_newrole(squid_t)`
			`')`

deprecate module name as first parameter of optional_policy() 2006-03-24 16:13:54 +00:00			optional_policy(`
add squid 2005-09-02 19:11:07 +00:00			`udev_read_db(squid_t)`
			`')`

			ifdef(`TODO',`
			`#squid requires the following when run in diskd mode, the recommended setting`
			`allow squid_t tmpfs_t:file { read write };`
			`') dnl end TODO`