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


policy_module(squid,1.4.0)

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

## <desc>
## <p>
## Allow squid to connect to all ports, not just
## HTTP, FTP, and Gopher ports.
## </p>
## </desc>
gen_tunable(squid_connect_any,false)

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_all_recvfrom_unlabeled(squid_t)
corenet_all_recvfrom_netlabel(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_bind_squid_port(squid_t)
corenet_udp_bind_squid_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)
corenet_sendrecv_squid_client_packets(squid_t)
corenet_sendrecv_squid_server_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_getattr_pty_dirs(squid_t)

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

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
trunk: update module version numbers for release. 2007-06-29 14:48:13 +00:00			`policy_module(squid,1.4.0)`
add squid 2005-09-02 19:11:07 +00:00
			`########################################`
			`#`
			`# Declarations`
			`#`

- Move booleans and tunables to modules when it is only used in a single module. - Add support for tunables and booleans local to a module. 2007-03-26 18:41:45 +00:00			`## <desc>`
			`## <p>`
			`## Allow squid to connect to all ports, not just`
			`## HTTP, FTP, and Gopher ports.`
			`## </p>`
			`## </desc>`
			`gen_tunable(squid_connect_any,false)`

add squid 2005-09-02 19:11:07 +00:00			`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
trunk: Unified labeled networking policy from Paul Moore. The latest revision of the labeled policy patches which enable both labeled and unlabeled policy support for NetLabel. This revision takes into account Chris' feedback from the first version and reduces the number of interface calls in each domain down to two at present: one for unlabeled access, one for NetLabel access. The older, transport layer specific interfaces, are still present for use by third-party modules but are not used in the default policy modules. trunk: Use netmsg initial SID for MLS-only Netlabel packets, from Paul Moore. This patch changes the policy to use the netmsg initial SID as the "base" SID/context for NetLabel packets which only have MLS security attributes. Currently we use the unlabeled initial SID which makes it very difficult to distinquish between actual unlabeled packets and those packets which have MLS security attributes. 2007-06-27 15:23:21 +00:00			`corenet_all_recvfrom_unlabeled(squid_t)`
			`corenet_all_recvfrom_netlabel(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)`
Fixes for squid, dovecot, and snmp from Dan Walsh. 2007-05-07 13:45:17 +00:00			`corenet_tcp_bind_squid_port(squid_t)`
			`corenet_udp_bind_squid_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)`
Fixes for squid, dovecot, and snmp from Dan Walsh. 2007-05-07 13:45:17 +00:00			`corenet_sendrecv_squid_client_packets(squid_t)`
			`corenet_sendrecv_squid_server_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)`

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_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)`

			`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`