## <summary>Dovecot POP and IMAP mail server</summary>

######################################
## <summary>
##  Creates types and rules for a basic
##  dovecot daemon domain.
## </summary>
## <param name="prefix">
##  <summary>
##  Prefix for the domain.
##  </summary>
## </param>
#
template(`dovecot_basic_types_template',`
	gen_require(`
		attribute dovecot_domain;
	')

	type $1_t, dovecot_domain;
	type $1_exec_t;

	kernel_read_system_state($1_t)
')

#######################################
## <summary>
##  Connect to dovecot unix domain stream socket.
## </summary>
## <param name="domain">
##  <summary>
##  Domain allowed access.
##  </summary>
## </param>
#
interface(`dovecot_stream_connect',`
    gen_require(`
        type dovecot_t, dovecot_var_run_t;
    ')

    files_search_pids($1)
    stream_connect_pattern($1, dovecot_var_run_t, dovecot_var_run_t, dovecot_t)
')

########################################
## <summary>
##	Connect to dovecot auth unix domain stream socket.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`dovecot_stream_connect_auth',`
	gen_require(`
		type dovecot_auth_t, dovecot_var_run_t;
	')

	files_search_pids($1)
	stream_connect_pattern($1, dovecot_var_run_t, dovecot_var_run_t, dovecot_auth_t)
')

########################################
## <summary>
##	Execute dovecot_deliver in the dovecot_deliver domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`dovecot_domtrans_deliver',`
	gen_require(`
		type dovecot_deliver_t, dovecot_deliver_exec_t;
	')

	domtrans_pattern($1, dovecot_deliver_exec_t, dovecot_deliver_t)
')

########################################
## <summary>
##	Create, read, write, and delete the dovecot spool files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`dovecot_manage_spool',`
	gen_require(`
		type dovecot_spool_t;
	')

	files_search_spool($1)
	manage_files_pattern($1, dovecot_spool_t, dovecot_spool_t)
	manage_lnk_files_pattern($1, dovecot_spool_t, dovecot_spool_t)
')

########################################
## <summary>
##	Do not audit attempts to delete dovecot lib files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`dovecot_dontaudit_unlink_lib_files',`
	gen_require(`
		type dovecot_var_lib_t;
	')

	dontaudit $1 dovecot_var_lib_t:file unlink;
')

######################################
## <summary>
##	Allow attempts to write inherited
##	dovecot tmp files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`dovecot_write_inherited_tmp_files',`
	gen_require(`
		type dovecot_tmp_t;
	')

	allow $1 dovecot_tmp_t:file write;
')

####################################
## <summary>
##	Read dovecot configuration file.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`dovecot_read_config',`
	gen_require(`
		type dovecot_etc_t;
	')

	files_search_etc($1)
	list_dirs_pattern($1, dovecot_etc_t, dovecot_etc_t)
	read_files_pattern($1, dovecot_etc_t, dovecot_etc_t)
')

########################################
## <summary>
##	All of the rules required to administrate
##	an dovecot environment
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <param name="role">
##	<summary>
##	The role to be allowed to manage the dovecot domain.
##	</summary>
## </param>
## <rolecap/>
#
interface(`dovecot_admin',`
	gen_require(`
		type dovecot_t, dovecot_etc_t, dovecot_var_log_t;
		type dovecot_spool_t, dovecot_var_lib_t, dovecot_initrc_exec_t;
		type dovecot_var_run_t, dovecot_cert_t, dovecot_passwd_t;
		type dovecot_tmp_t, dovecot_auth_tmp_t, dovecot_deliver_tmp_t;
		type dovecot_keytab_t;
	')

	allow $1 dovecot_t:process signal_perms;
	ps_process_pattern($1, dovecot_t)

	tunable_policy(`deny_ptrace',`',`
		allow $1 dovecot_t:process ptrace;
	')

	init_labeled_script_domtrans($1, dovecot_initrc_exec_t)
	domain_system_change_exemption($1)
	role_transition $2 dovecot_initrc_exec_t system_r;
	allow $2 system_r;

	files_list_etc($1)
	admin_pattern($1, { dovecot_keytab_t dovecot_etc_t })

	files_list_tmp($1)
	admin_pattern($1, dovecot_auth_tmp_t)
	admin_pattern($1, dovecot_tmp_t)

	admin_pattern($1, dovecot_keytab_t)

	files_list_spool($1)
	admin_pattern($1, dovecot_spool_t)

	files_list_var_lib($1)
	admin_pattern($1, dovecot_var_lib_t)

	logging_search_logs($1)
	admin_pattern($1, dovecot_var_log_t)

	files_list_pids($1)
	admin_pattern($1, dovecot_var_run_t)

	admin_pattern($1, dovecot_cert_t)

	admin_pattern($1, dovecot_passwd_t)
')

########################################
## <summary>
##	Read dovecot SSL certificates
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`dovecot_read_certs',`
	gen_require(`
		type dovecot_cert_t;
	')

	miscfiles_search_generic_cert_dirs($1)
	read_files_pattern($1, dovecot_cert_t, dovecot_cert_t)
	read_lnk_files_pattern($1, dovecot_cert_t, dovecot_cert_t)
')