Index: policy/modules/kernel/corenetwork.te.in
===================================================================
--- policy/modules/kernel/corenetwork.te.in (revision 2770)
+++ policy/modules/kernel/corenetwork.te.in (working copy)
@@ -119,6 +119,7 @@
type lrrd_port_t, port_type; dnl network_port(lrrd_port_t) # no defined portcon
network_port(lmtp, tcp,24,s0, udp,24,s0)
network_port(mail, tcp,2000,s0)
+type milter_port_t, port_type; dnl network_port(milter) # no defined portcon
network_port(mmcc, tcp,5050,s0, udp,5050,s0)
network_port(monopd, tcp,1234,s0)
network_port(msnp, tcp,1863,s0, udp,1863,s0)
Index: policy/modules/services/milters.te
===================================================================
--- policy/modules/services/milters.te (revision 0)
+++ policy/modules/services/milters.te (revision 0)
@@ -0,0 +1,42 @@
+policy_module(milters,0.1.4)
+
+require {
+ attribute port_type;
+}
+
+#============= declarations ================
+
+# attributes common to all milters
+attribute milter_domains;
+attribute milter_socket_directories;
+attribute milter_socket_type;
+
+
+#============= milter-regex policy ==============
+milter_template(regex)
+
+# Config is in /etc/mail/milter-regex.conf
+mta_read_config(milter_regex_t)
+
+# The milter's socket directory lives under /var/spool
+files_search_spool(milter_regex_t)
+
+# It removes any existing socket (not owned by root) whilst running as root
+# and then calls setgid() and setuid() to drop privileges
+allow milter_regex_t self:capability { setuid setgid dac_override };
+
+
+#============= spamass-milter policy ==============
+milter_template(spamass)
+
+# The main job of the milter is to pipe spam through spamc and act on the result
+spamassassin_domtrans_spamc(milter_spamass_t)
+
+# When used with -b or -B options, the milter invokes sendmail to send mail
+# to a spamtrap address, using popen()
+corecmd_exec_shell(milter_spamass_t)
+corecmd_read_bin_symlinks(milter_spamass_t)
+corecmd_search_bin(milter_spamass_t)
+kernel_read_system_state(milter_spamass_t)
+mta_send_mail(milter_spamass_t)
+
Index: policy/modules/services/sendmail.te
===================================================================
--- policy/modules/services/sendmail.te (revision 2770)
+++ policy/modules/services/sendmail.te (working copy)
@@ -112,6 +112,10 @@
')
optional_policy(`
+ milter_stream_connect(sendmail_t)
+')
+
+optional_policy(`
postfix_exec_master(sendmail_t)
postfix_read_config(sendmail_t)
postfix_search_spool(sendmail_t)
Index: policy/modules/services/milters.fc
===================================================================
--- policy/modules/services/milters.fc (revision 0)
+++ policy/modules/services/milters.fc (revision 0)
@@ -0,0 +1,13 @@
+/usr/sbin/milter-regex -- gen_context(system_u:object_r:milter_regex_exec_t,s0)
+/var/spool/milter-regex -d gen_context(system_u:object_r:milter_regex_data_dir_t,s0)
+/var/spool/milter-regex/sock -s gen_context(system_u:object_r:milter_regex_socket_t,s0)
+/var/spool/milter-regex/.+ gen_context(system_u:object_r:milter_regex_data_t,s0)
+
+/usr/sbin/spamass-milter -- gen_context(system_u:object_r:milter_spamass_exec_t,s0)
+/var/run/spamass-milter -d gen_context(system_u:object_r:milter_spamass_data_dir_t,s0)
+/var/run/spamass-milter\.pid -- gen_context(system_u:object_r:milter_spamass_data_t,s0)
+/var/run/spamass-milter/spamass-milter\.sock -s gen_context(system_u:object_r:milter_spamass_socket_t,s0)
+/var/run/spamass-milter/.+ gen_context(system_u:object_r:milter_spamass_data_t,s0)
+/var/run/spamass-milter/postfix -d gen_context(system_u:object_r:milter_spamass_data_dir_t,s0)
+/var/run/spamass-milter/postfix/sock -s gen_context(system_u:object_r:milter_spamass_socket_t,s0)
+
Index: policy/modules/services/mta.te
===================================================================
--- policy/modules/services/mta.te (revision 2770)
+++ policy/modules/services/mta.te (working copy)
@@ -105,6 +105,9 @@
# postfix needs this for newaliases
files_getattr_tmp_dirs(system_mail_t)
+ # newaliases runs as system_mail_t when the sendmail initscript does a restart
+ milter_getattr_socket_dir(system_mail_t)
+
postfix_exec_master(system_mail_t)
postfix_read_config(system_mail_t)
postfix_search_spool(system_mail_t)
Index: policy/modules/services/milters.if
===================================================================
--- policy/modules/services/milters.if (revision 0)
+++ policy/modules/services/milters.if (revision 0)
@@ -0,0 +1,108 @@
+## Milter mail filters
+
+########################################
+##
+## Create a set of derived types for various
+## mail filter applications using the milter interface.
+##
+##
+##
+## The name to be used for deriving type names.
+##
+##
+#
+template(`milter_template',`
+
+ # attributes common to all milters, plus port type for milter TCP sockets
+ gen_require(`
+ attribute milter_socket_directories, milter_socket_type, milter_domains;
+ type milter_port_t;
+ ')
+
+ # Type that the milter application runs as
+ type milter_$1_t, milter_domains;
+ domain_type(milter_$1_t)
+ role system_r types milter_$1_t;
+
+ # Type for the executable file
+ type milter_$1_exec_t;
+ init_daemon_domain(milter_$1_t, milter_$1_exec_t)
+
+ # Type for the directory that the unix-domain socket for MTA
+ # communication will live in
+ type milter_$1_data_dir_t, milter_socket_directories;
+ files_type(milter_$1_data_dir_t)
+
+ # Type for the unix-domain socket for MTA communication
+ type milter_$1_socket_t, milter_socket_type;
+ files_type(milter_$1_socket_t);
+ filetrans_pattern(milter_$1_t,milter_$1_data_dir_t,milter_$1_socket_t,sock_file)
+
+ # Any other data the milter puts in a milter_data_dir_t directory
+ type milter_$1_data_t;
+ files_type(milter_$1_data_t);
+ filetrans_pattern(milter_$1_t,milter_$1_data_dir_t,milter_$1_data_t,{ dir file })
+
+ # Generic rules from policygentool
+ files_read_etc_files(milter_$1_t)
+ libs_use_ld_so(milter_$1_t)
+ libs_use_shared_libs(milter_$1_t)
+ miscfiles_read_localization(milter_$1_t)
+ sysnet_dns_name_resolve(milter_$1_t)
+ init_use_fds(milter_$1_t)
+ init_use_script_ptys(milter_$1_t)
+ domain_use_interactive_fds(milter_$1_t)
+
+ # Allow communication with MTA over a TCP socket
+ allow milter_$1_t milter_port_t:tcp_socket name_bind;
+ corenet_tcp_bind_generic_node(milter_$1_t)
+ allow milter_$1_t self:tcp_socket { listen accept };
+
+ # Allow communication with MTA over a unix-domain socket
+ manage_sock_files_pattern(milter_$1_t,milter_$1_data_dir_t,milter_$1_socket_t)
+
+ # Create other data files and directories in the socket directory
+ manage_files_pattern(milter_$1_t,milter_$1_data_dir_t,milter_$1_data_t)
+ manage_files_pattern(milter_$1_t,milter_$1_data_t,milter_$1_data_t)
+
+ # Things that most milters will need to do
+ allow milter_$1_t self:fifo_file rw_fifo_file_perms;
+ logging_send_syslog_msg(milter_$1_t)
+
+')
+
+########################################
+##
+## MTA communication with milter sockets
+##
+##
+##
+## Domain allowed access.
+##
+##
+#
+interface(`milter_stream_connect',`
+ gen_require(`
+ attribute milter_socket_directories, milter_socket_type, milter_domains;
+ ')
+ getattr_dirs_pattern($1,milter_socket_directories,milter_socket_directories)
+ stream_connect_pattern($1,milter_socket_directories,milter_socket_type,milter_domains)
+')
+
+########################################
+##
+## Allow search of milter socket directory
+##
+##
+##
+## Domain allowed access.
+##
+##
+#
+interface(`milter_getattr_socket_dir',`
+ gen_require(`
+ attribute milter_socket_directories;
+ ')
+ getattr_dirs_pattern($1,milter_socket_directories,milter_socket_directories)
+')
+
Index: policy/modules/services/spamassassin.fc
===================================================================
--- policy/modules/services/spamassassin.fc (revision 2770)
+++ policy/modules/services/spamassassin.fc (working copy)
@@ -10,7 +10,6 @@
/var/lib/spamassassin(/.*)? gen_context(system_u:object_r:spamd_var_lib_t,s0)
/var/run/spamassassin(/.*)? gen_context(system_u:object_r:spamd_var_run_t,s0)
-/var/run/spamass-milter(/.*)? gen_context(system_u:object_r:spamd_var_run_t,s0)
/var/spool/spamassassin(/.*)? gen_context(system_u:object_r:spamd_spool_t,s0)
/var/spool/spamd(/.*)? gen_context(system_u:object_r:spamd_spool_t,s0)
Index: policy/modules/services/postfix.te
===================================================================
--- policy/modules/services/postfix.te (revision 2770)
+++ policy/modules/services/postfix.te (working copy)
@@ -530,6 +530,10 @@
cyrus_stream_connect(postfix_smtp_t)
')
+optional_policy(`
+ milter_stream_connect(postfix_smtp_t)
+')
+
########################################
#
# Postfix smtpd local policy