--- nsaserefpolicy/policy/modules/services/sendmail.if 2008-08-07 11:15:11.000000000 -0400
+++ serefpolicy-3.5.5/policy/modules/services/sendmail.if 2008-08-14 13:53:54.000000000 -0400
@@ -149,3 +149,104 @@
logging_log_filetrans($1, sendmail_log_t, file)
')
+
+########################################
+##
+## Execute the sendmail program in the sendmail domain.
+##
+##
+##
+## Domain allowed access.
+##
+##
+##
+##
+## The role to allow the sendmail domain.
+##
+##
+##
+##
+## The type of the terminal allow the sendmail domain to use.
+##
+##
+##
+#
+interface(`sendmail_run',`
+ gen_require(`
+ type sendmail_t;
+ ')
+
+ sendmail_domtrans($1)
+ role $2 types sendmail_t;
+ allow sendmail_t $3:chr_file rw_term_perms;
+')
+
+########################################
+##
+## Execute sendmail in the unconfined sendmail domain.
+##
+##
+##
+## Domain allowed access.
+##
+##
+#
+interface(`sendmail_domtrans_unconfined',`
+ gen_require(`
+ type unconfined_sendmail_t, sendmail_exec_t;
+ ')
+
+ domtrans_pattern($1, sendmail_exec_t, unconfined_sendmail_t)
+')
+
+########################################
+##
+## Execute sendmail in the unconfined sendmail domain, and
+## allow the specified role the unconfined sendmail domain,
+## and use the caller's terminal.
+##
+##
+##
+## Domain allowed access.
+##
+##
+##
+##
+## The role to be allowed the unconfined sendmail domain.
+##
+##
+##
+##
+## The type of the terminal allow the unconfined sendmail domain to use.
+##
+##
+##
+#
+interface(`sendmail_run_unconfined',`
+ gen_require(`
+ type unconfined_sendmail_t;
+ ')
+
+ sendmail_domtrans_unconfined($1)
+ role $2 types unconfined_sendmail_t;
+ allow unconfined_sendmail_t $3:chr_file rw_file_perms;
+')
+
+########################################
+##
+## Allow attempts to read and write to
+## sendmail unnamed pipes.
+##
+##
+##
+## Domain to not audit.
+##
+##
+#
+interface(`sendmail_rw_pipes',`
+ gen_require(`
+ type sendmail_t;
+ ')
+
+ allow $1 sendmail_t:fifo_file rw_fifo_file_perms;
+')
--- nsaserefpolicy/policy/modules/services/sendmail.te 2008-08-07 11:15:11.000000000 -0400
+++ serefpolicy-3.5.5/policy/modules/services/sendmail.te 2008-08-14 13:53:54.000000000 -0400
@@ -20,13 +20,17 @@
mta_mailserver_delivery(sendmail_t)
mta_mailserver_sender(sendmail_t)
+type unconfined_sendmail_t;
+application_domain(unconfined_sendmail_t, sendmail_exec_t)
+role system_r types unconfined_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:capability { dac_override setuid setgid net_bind_service sys_nice chown sys_tty_config };
+allow sendmail_t self:process { setrlimit signal signull };
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;
@@ -47,6 +51,7 @@
kernel_read_kernel_sysctls(sendmail_t)
# for piping mail to a command
kernel_read_system_state(sendmail_t)
+kernel_read_network_state(sendmail_t)
corenet_all_recvfrom_unlabeled(sendmail_t)
corenet_all_recvfrom_netlabel(sendmail_t)
@@ -64,24 +69,29 @@
fs_getattr_all_fs(sendmail_t)
fs_search_auto_mountpoints(sendmail_t)
+fs_rw_anon_inodefs_files(sendmail_t)
term_dontaudit_use_console(sendmail_t)
# for piping mail to a command
corecmd_exec_shell(sendmail_t)
+corecmd_exec_bin(sendmail_t)
domain_use_interactive_fds(sendmail_t)
files_read_etc_files(sendmail_t)
+files_read_usr_files(sendmail_t)
files_search_spool(sendmail_t)
# for piping mail to a command
files_read_etc_runtime_files(sendmail_t)
+files_read_all_tmp_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)
+init_rw_script_tmp_files(sendmail_t)
auth_use_nsswitch(sendmail_t)
@@ -91,34 +101,54 @@
libs_read_lib_files(sendmail_t)
logging_send_syslog_msg(sendmail_t)
+logging_dontaudit_write_generic_logs(sendmail_t)
miscfiles_read_certs(sendmail_t)
miscfiles_read_localization(sendmail_t)
userdom_dontaudit_use_unpriv_user_fds(sendmail_t)
+sysadm_dontaudit_search_home_dirs(sendmail_t)
+userdom_read_all_users_home_content_files(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)
+mta_manage_aliases(sendmail_t)
# Write to /var/spool/mail and /var/spool/mqueue.
mta_manage_queue(sendmail_t)
mta_manage_spool(sendmail_t)
+mta_sendmail_exec(sendmail_t)
-sysadm_dontaudit_search_home_dirs(sendmail_t)
+optional_policy(`
+ cron_read_pipes(sendmail_t)
+')
optional_policy(`
clamav_search_lib(sendmail_t)
')
optional_policy(`
- postfix_exec_master(sendmail_t)
+ cyrus_stream_connect(sendmail_t)
+ clamav_stream_connect(sendmail_t)
+')
+
+optional_policy(`
+ kerberos_keytab_template(sendmail, sendmail_t)
+')
+
+optional_policy(`
+ munin_dontaudit_search_lib(sendmail_t)
+')
+
+optional_policy(`
+ postfix_domtrans_master(sendmail_t)
postfix_read_config(sendmail_t)
postfix_search_spool(sendmail_t)
')
optional_policy(`
procmail_domtrans(sendmail_t)
+ procmail_rw_tmp_files(sendmail_t)
')
optional_policy(`
@@ -126,24 +156,25 @@
')
optional_policy(`
+ sasl_connect(sendmail_t)
+')
+
+optional_policy(`
+ spamd_stream_connect(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;
+########################################
+#
+# Unconfined sendmail local policy
+# Allow unconfined domain to run newalias and have transitions work
+#
-# Silently deny attempts to access /root.
-dontaudit system_mail_t { staff_home_dir_t sysadm_home_dir_t}:dir { getattr search };
+optional_policy(`
+ mta_etc_filetrans_aliases(unconfined_sendmail_t)
+ unconfined_domain(unconfined_sendmail_t)
+')
-dontaudit sendmail_t admin_tty_type:chr_file { getattr ioctl };
-') dnl end TODO