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


policy_module(sendmail,1.3.1)

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

type sendmail_log_t;
logging_log_file(sendmail_log_t)

type sendmail_tmp_t;
files_tmp_file(sendmail_tmp_t)

type sendmail_var_run_t;
files_pid_file(sendmail_var_run_t)

type sendmail_t;
mta_sendmail_mailserver(sendmail_t)
mta_mailserver_delivery(sendmail_t)
mta_mailserver_sender(sendmail_t)

########################################
#
# Sendmail local policy
#

allow sendmail_t self:capability { setuid setgid net_bind_service sys_nice chown sys_tty_config };
allow sendmail_t self:process signal;
allow sendmail_t self:fifo_file rw_fifo_file_perms;
allow sendmail_t self:unix_stream_socket create_stream_socket_perms;
allow sendmail_t self:unix_dgram_socket create_socket_perms;
allow sendmail_t self:tcp_socket create_stream_socket_perms;
allow sendmail_t self:udp_socket create_socket_perms;
allow sendmail_t self:netlink_route_socket r_netlink_socket_perms;

allow sendmail_t sendmail_log_t:dir setattr;
manage_files_pattern(sendmail_t,sendmail_log_t,sendmail_log_t)
logging_log_filetrans(sendmail_t,sendmail_log_t,{ file dir })

manage_dirs_pattern(sendmail_t,sendmail_tmp_t,sendmail_tmp_t)
manage_files_pattern(sendmail_t,sendmail_tmp_t,sendmail_tmp_t)
files_tmp_filetrans(sendmail_t, sendmail_tmp_t, { file dir })

allow sendmail_t sendmail_var_run_t:file manage_file_perms;
files_pid_filetrans(sendmail_t,sendmail_var_run_t,file)

kernel_read_kernel_sysctls(sendmail_t)
# for piping mail to a command
kernel_read_system_state(sendmail_t)

corenet_non_ipsec_sendrecv(sendmail_t)
corenet_tcp_sendrecv_all_if(sendmail_t)
corenet_tcp_sendrecv_all_nodes(sendmail_t)
corenet_tcp_sendrecv_all_ports(sendmail_t)
corenet_tcp_bind_all_nodes(sendmail_t)
corenet_tcp_bind_smtp_port(sendmail_t)
corenet_tcp_connect_all_ports(sendmail_t)
corenet_sendrecv_smtp_server_packets(sendmail_t)
corenet_sendrecv_smtp_client_packets(sendmail_t)

dev_read_urand(sendmail_t)
dev_read_sysfs(sendmail_t)

fs_getattr_all_fs(sendmail_t)
fs_search_auto_mountpoints(sendmail_t)

term_dontaudit_use_console(sendmail_t)

# for piping mail to a command
corecmd_exec_shell(sendmail_t)

domain_use_interactive_fds(sendmail_t)

files_read_etc_files(sendmail_t)
files_search_spool(sendmail_t)
# for piping mail to a command
files_read_etc_runtime_files(sendmail_t)

init_use_fds(sendmail_t)
init_use_script_ptys(sendmail_t)
# sendmail wants to read /var/run/utmp if the controlling tty is /dev/console
init_read_utmp(sendmail_t)
init_dontaudit_write_utmp(sendmail_t)

libs_use_ld_so(sendmail_t)
libs_use_shared_libs(sendmail_t)
# Read /usr/lib/sasl2/.*
libs_read_lib_files(sendmail_t)

logging_send_syslog_msg(sendmail_t)

miscfiles_read_localization(sendmail_t)

sysnet_dns_name_resolve(sendmail_t)
sysnet_read_config(sendmail_t)

userdom_dontaudit_use_unpriv_user_fds(sendmail_t)
userdom_dontaudit_search_sysadm_home_dirs(sendmail_t)

mta_read_config(sendmail_t)
mta_etc_filetrans_aliases(sendmail_t)
# Write to /etc/aliases and /etc/mail.
mta_rw_aliases(sendmail_t)
# Write to /var/spool/mail and /var/spool/mqueue.
mta_manage_queue(sendmail_t)
mta_manage_spool(sendmail_t)

ifdef(`targeted_policy',`
	unconfined_domain(sendmail_t)
	term_dontaudit_use_unallocated_ttys(sendmail_t)
	term_dontaudit_use_generic_ptys(sendmail_t)
	files_dontaudit_read_root_files(sendmail_t)
')

optional_policy(`
	clamav_search_lib(sendmail_t)
')

optional_policy(`
	nis_use_ypbind(sendmail_t)
')

optional_policy(`
	nscd_socket_use(sendmail_t)
')

optional_policy(`
	postfix_exec_master(sendmail_t)
	postfix_read_config(sendmail_t)
	postfix_search_spool(sendmail_t)
')

optional_policy(`
	procmail_domtrans(sendmail_t)
')

optional_policy(`
	seutil_sigchld_newrole(sendmail_t)
')

optional_policy(`
	udev_read_db(sendmail_t)
')

ifdef(`TODO',`
allow sendmail_t etc_mail_t:dir rw_dir_perms;
allow sendmail_t etc_mail_t:file manage_file_perms;
# for the start script to run make -C /etc/mail
allow initrc_t etc_mail_t:dir rw_dir_perms;
allow initrc_t etc_mail_t:file manage_file_perms;
allow system_mail_t initrc_t:fd use;
allow system_mail_t initrc_t:fifo_file write;

# When sendmail runs as user_mail_domain, it needs some extra permissions
# to update /etc/mail/statistics.
allow user_mail_domain etc_mail_t:file rw_file_perms;

# Silently deny attempts to access /root.
dontaudit system_mail_t { staff_home_dir_t sysadm_home_dir_t}:dir { getattr search };

dontaudit sendmail_t admin_tty_type:chr_file { getattr ioctl };
') dnl end TODO
initial commit 2005-05-16 21:11:26 +00:00
patch from dan, Thu, 2007-01-25 at 08:12 -0500 2007-02-16 23:01:42 +00:00			`policy_module(sendmail,1.3.1)`
initial commit 2005-05-16 21:11:26 +00:00
			`########################################`
			`#`
			`# Declarations`
			`#`

			`type sendmail_log_t;`
renaming insanity 2005-06-13 17:35:46 +00:00			`logging_log_file(sendmail_log_t)`
initial commit 2005-05-16 21:11:26 +00:00
			`type sendmail_tmp_t;`
renaming insanity 2005-06-13 17:35:46 +00:00			`files_tmp_file(sendmail_tmp_t)`
initial commit 2005-05-16 21:11:26 +00:00
			`type sendmail_var_run_t;`
renaming insanity 2005-06-13 17:35:46 +00:00			`files_pid_file(sendmail_var_run_t)`
initial commit 2005-05-16 21:11:26 +00:00
part of dan's mega patch 2006-01-06 22:51:40 +00:00			`type sendmail_t;`
			`mta_sendmail_mailserver(sendmail_t)`
			`mta_mailserver_delivery(sendmail_t)`
			`mta_mailserver_sender(sendmail_t)`
fix up sendmail for targeted 2005-10-28 18:57:23 +00:00
initial commit 2005-05-16 21:11:26 +00:00			`########################################`
			`#`
			`# Sendmail local policy`
			`#`

			`allow sendmail_t self:capability { setuid setgid net_bind_service sys_nice chown sys_tty_config };`
part of dan's mega patch 2006-01-06 22:51:40 +00:00			`allow sendmail_t self:process signal;`
merge policy patterns to trunk 2006-12-12 20:08:08 +00:00			`allow sendmail_t self:fifo_file rw_fifo_file_perms;`
aliases 2005-06-09 15:32:23 +00:00			`allow sendmail_t self:unix_stream_socket create_stream_socket_perms;`
			`allow sendmail_t self:unix_dgram_socket create_socket_perms;`
part of dan's mega patch 2006-01-06 22:51:40 +00:00			`allow sendmail_t self:tcp_socket create_stream_socket_perms;`
patch from dan 1/16/06 2006-01-17 17:50:10 +00:00			`allow sendmail_t self:udp_socket create_socket_perms;`
patch from dan Mon, 25 Sep 2006 15:46:40 -0400 2006-09-28 14:37:29 +00:00			`allow sendmail_t self:netlink_route_socket r_netlink_socket_perms;`
initial commit 2005-05-16 21:11:26 +00:00
merge policy patterns to trunk 2006-12-12 20:08:08 +00:00			`allow sendmail_t sendmail_log_t:dir setattr;`
			`manage_files_pattern(sendmail_t,sendmail_log_t,sendmail_log_t)`
another round of renaming 2006-02-21 18:40:44 +00:00			`logging_log_filetrans(sendmail_t,sendmail_log_t,{ file dir })`
more fix 2005-11-09 15:51:22 +00:00
merge policy patterns to trunk 2006-12-12 20:08:08 +00:00			`manage_dirs_pattern(sendmail_t,sendmail_tmp_t,sendmail_tmp_t)`
			`manage_files_pattern(sendmail_t,sendmail_tmp_t,sendmail_tmp_t)`
patch from dan Wed, 20 Sep 2006 12:12:49 -0400 2006-09-22 17:14:35 +00:00			`files_tmp_filetrans(sendmail_t, sendmail_tmp_t, { file dir })`

			`allow sendmail_t sendmail_var_run_t:file manage_file_perms;`
			`files_pid_filetrans(sendmail_t,sendmail_var_run_t,file)`

renaming from 20060131 interface review, round 2 2006-01-31 16:49:43 +00:00			`kernel_read_kernel_sysctls(sendmail_t)`
fix up most of mta attribute insanity 2005-08-30 20:47:41 +00:00			`# for piping mail to a command`
			`kernel_read_system_state(sendmail_t)`
initial commit 2005-05-16 21:11:26 +00:00
updates for nfs, squid, and mta 2006-05-26 20:29:51 +00:00			`corenet_non_ipsec_sendrecv(sendmail_t)`
renaming insanity 2005-06-10 01:01:13 +00:00			`corenet_tcp_sendrecv_all_if(sendmail_t)`
			`corenet_tcp_sendrecv_all_nodes(sendmail_t)`
			`corenet_tcp_sendrecv_all_ports(sendmail_t)`
			`corenet_tcp_bind_all_nodes(sendmail_t)`
			`corenet_tcp_bind_smtp_port(sendmail_t)`
begin merging in upstream NSA CVS changes 2005-09-12 21:40:56 +00:00			`corenet_tcp_connect_all_ports(sendmail_t)`
updates for nfs, squid, and mta 2006-05-26 20:29:51 +00:00			`corenet_sendrecv_smtp_server_packets(sendmail_t)`
			`corenet_sendrecv_smtp_client_packets(sendmail_t)`
initial commit 2005-05-16 21:11:26 +00:00
Devices rename. 2005-06-13 16:22:32 +00:00			`dev_read_urand(sendmail_t)`
more cleanup of current TODOs 2005-07-12 20:34:24 +00:00			`dev_read_sysfs(sendmail_t)`
initial commit 2005-05-16 21:11:26 +00:00
renaming insanity 2005-06-10 01:01:13 +00:00			`fs_getattr_all_fs(sendmail_t)`
autofs_t and ypbind cleanup 2005-06-27 16:30:55 +00:00			`fs_search_auto_mountpoints(sendmail_t)`
initial commit 2005-05-16 21:11:26 +00:00
renaming insanity 2005-06-10 01:01:13 +00:00			`term_dontaudit_use_console(sendmail_t)`
initial commit 2005-05-16 21:11:26 +00:00
fix up most of mta attribute insanity 2005-08-30 20:47:41 +00:00			`# for piping mail to a command`
			`corecmd_exec_shell(sendmail_t)`

another round of renaming 2006-02-20 21:33:25 +00:00			`domain_use_interactive_fds(sendmail_t)`
initial commit 2005-05-16 21:11:26 +00:00
another round of renaming, for consistency 2005-06-29 14:26:41 +00:00			`files_read_etc_files(sendmail_t)`
renaming insanity 2005-06-13 17:35:46 +00:00			`files_search_spool(sendmail_t)`
fix up most of mta attribute insanity 2005-08-30 20:47:41 +00:00			`# for piping mail to a command`
			`files_read_etc_runtime_files(sendmail_t)`
initial commit 2005-05-16 21:11:26 +00:00
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(sendmail_t)`
another slew of renaming 2006-02-02 21:08:12 +00:00			`init_use_script_ptys(sendmail_t)`
autofs_t and ypbind cleanup 2005-06-27 16:30:55 +00:00			`# sendmail wants to read /var/run/utmp if the controlling tty is /dev/console`
Change initrc_var_run_t interface noun from script_pid to utmp for clarity. 2006-01-18 18:08:39 +00:00			`init_read_utmp(sendmail_t)`
			`init_dontaudit_write_utmp(sendmail_t)`
initial commit 2005-05-16 21:11:26 +00:00
renaming insanity 2005-06-13 17:35:46 +00:00			`libs_use_ld_so(sendmail_t)`
			`libs_use_shared_libs(sendmail_t)`
initial commit 2005-05-16 21:11:26 +00:00			`# Read /usr/lib/sasl2/.*`
another slew of renaming 2006-02-02 21:08:12 +00:00			`libs_read_lib_files(sendmail_t)`
initial commit 2005-05-16 21:11:26 +00:00
autofs_t and ypbind cleanup 2005-06-27 16:30:55 +00:00			`logging_send_syslog_msg(sendmail_t)`

initial commit 2005-05-16 21:11:26 +00:00			`miscfiles_read_localization(sendmail_t)`

updates for nfs, squid, and mta 2006-05-26 20:29:51 +00:00			`sysnet_dns_name_resolve(sendmail_t)`
autofs_t and ypbind cleanup 2005-06-27 16:30:55 +00:00			`sysnet_read_config(sendmail_t)`

another round of renaming 2006-02-20 21:33:25 +00:00			`userdom_dontaudit_use_unpriv_user_fds(sendmail_t)`
another round of renaming 2006-02-21 18:40:44 +00:00			`userdom_dontaudit_search_sysadm_home_dirs(sendmail_t)`
more cleanup of current TODOs 2005-07-12 20:34:24 +00:00
patch from dan 1/16/06 2006-01-17 17:50:10 +00:00			`mta_read_config(sendmail_t)`
another round of renaming 2006-02-21 18:40:44 +00:00			`mta_etc_filetrans_aliases(sendmail_t)`
initial commit 2005-05-16 21:11:26 +00:00			`# Write to /etc/aliases and /etc/mail.`
renaming insanity 2005-06-13 17:35:46 +00:00			`mta_rw_aliases(sendmail_t)`
initial commit 2005-05-16 21:11:26 +00:00			`# Write to /var/spool/mail and /var/spool/mqueue.`
renaming insanity 2005-06-13 17:35:46 +00:00			`mta_manage_queue(sendmail_t)`
			`mta_manage_spool(sendmail_t)`
initial commit 2005-05-16 21:11:26 +00:00
targeted and redhat cleanups 2005-09-21 14:49:41 +00:00			ifdef(`targeted_policy',`
patch from dan Wed, 01 Feb 2006 08:33:30 -0500 2006-02-06 22:47:46 +00:00			`unconfined_domain(sendmail_t)`
another slew of renaming 2006-02-02 21:08:12 +00:00			`term_dontaudit_use_unallocated_ttys(sendmail_t)`
			`term_dontaudit_use_generic_ptys(sendmail_t)`
renaming from 20060131 interface review, round 3 2006-01-31 19:21:01 +00:00			`files_dontaudit_read_root_files(sendmail_t)`
initial commit 2005-05-16 21:11:26 +00:00			`')`

patch from dan, Thu, 2007-01-25 at 08:12 -0500 2007-02-16 23:01:42 +00:00			optional_policy(`
			`clamav_search_lib(sendmail_t)`
			`')`

deprecate module name as first parameter of optional_policy() 2006-03-24 16:13:54 +00:00			optional_policy(`
autofs_t and ypbind cleanup 2005-06-27 16:30:55 +00:00			`nis_use_ypbind(sendmail_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(sendmail_t)`
add nscd 2005-07-13 20:48:51 +00:00			`')`

deprecate module name as first parameter of optional_policy() 2006-03-24 16:13:54 +00:00			optional_policy(`
patch from dan Fri, 17 Mar 2006 15:22:53 -0500 2006-03-23 19:19:38 +00:00			`postfix_exec_master(sendmail_t)`
add postfix 2005-10-23 20:18:36 +00:00			`postfix_read_config(sendmail_t)`
			`postfix_search_spool(sendmail_t)`
			`')`

deprecate module name as first parameter of optional_policy() 2006-03-24 16:13:54 +00:00			optional_policy(`
part of dan's mega patch 2006-01-06 22:51:40 +00:00			`procmail_domtrans(sendmail_t)`
			`')`

deprecate module name as first parameter of optional_policy() 2006-03-24 16:13:54 +00:00			optional_policy(`
another round of renaming, for consistency 2005-06-29 14:26:41 +00:00			`seutil_sigchld_newrole(sendmail_t)`
initial commit 2005-05-16 21:11:26 +00:00			`')`

deprecate module name as first parameter of optional_policy() 2006-03-24 16:13:54 +00:00			optional_policy(`
renaming insanity 2005-06-13 17:35:46 +00:00			`udev_read_db(sendmail_t)`
initial commit 2005-05-16 21:11:26 +00:00			`')`

			ifdef(`TODO',`
			`allow sendmail_t etc_mail_t:dir rw_dir_perms;`
merge policy patterns to trunk 2006-12-12 20:08:08 +00:00			`allow sendmail_t etc_mail_t:file manage_file_perms;`
initial commit 2005-05-16 21:11:26 +00:00			`# for the start script to run make -C /etc/mail`
			`allow initrc_t etc_mail_t:dir rw_dir_perms;`
merge policy patterns to trunk 2006-12-12 20:08:08 +00:00			`allow initrc_t etc_mail_t:file manage_file_perms;`
initial commit 2005-05-16 21:11:26 +00:00			`allow system_mail_t initrc_t:fd use;`
			`allow system_mail_t initrc_t:fifo_file write;`

			`# When sendmail runs as user_mail_domain, it needs some extra permissions`
			`# to update /etc/mail/statistics.`
			`allow user_mail_domain etc_mail_t:file rw_file_perms;`

			`# Silently deny attempts to access /root.`
			`dontaudit system_mail_t { staff_home_dir_t sysadm_home_dir_t}:dir { getattr search };`

			`dontaudit sendmail_t admin_tty_type:chr_file { getattr ioctl };`
			`') dnl end TODO`