selinux-policy/policy/modules/services/exim.if

## <summary>Exim mail transfer agent</summary>

########################################
## <summary>
##	Execute a domain transition to run exim.
## </summary>
## <param name="domain">
## <summary>
##	Domain allowed to transition.
## </summary>
## </param>
#
interface(`exim_domtrans',`
	gen_require(`
		type exim_t, exim_exec_t;
	')

	domtrans_pattern($1, exim_exec_t, exim_t)
')

########################################
## <summary>
##	Execute exim in the exim domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`exim_initrc_domtrans', `
	gen_require(`
		type exim_initrc_exec_t;
	')

	init_labeled_script_domtrans($1, exim_initrc_exec_t)
')

########################################
## <summary>
##	Do not audit attempts to read, 
##	exim tmp files
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`exim_dontaudit_read_tmp_files',`
	gen_require(`
		type exim_tmp_t;
	')

	dontaudit $1 exim_tmp_t:file read_file_perms;
')

########################################
## <summary>
##	Allow domain to read, exim tmp files
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`exim_read_tmp_files',`
	gen_require(`
		type exim_tmp_t;
	')

	allow $1 exim_tmp_t:file read_file_perms;
	files_search_tmp($1)
')

########################################
## <summary>
##	Read exim PID files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`exim_read_pid_files',`
	gen_require(`
		type exim_var_run_t;
	')

	allow $1 exim_var_run_t:file read_file_perms;
	files_search_pids($1)
')

########################################
## <summary>
##	Allow the specified domain to read exim's log files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`exim_read_log',`
	gen_require(`
		type exim_log_t;
	')

	read_files_pattern($1, exim_log_t, exim_log_t)
	logging_search_logs($1)
')

########################################
## <summary>
##	Allow the specified domain to append
##	exim log files.
## </summary>
## <param name="domain">
## 	<summary>
##	Domain allowed access.
## 	</summary>
## </param>
#
interface(`exim_append_log',`
	gen_require(`
		type exim_log_t;
	')

	append_files_pattern($1, exim_log_t, exim_log_t)
	logging_search_logs($1)
')

########################################
## <summary>
##	Allow the specified domain to manage exim's log files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`exim_manage_log',`
	gen_require(`
		type exim_log_t;
	')

	manage_files_pattern($1, exim_log_t, exim_log_t)
	logging_search_logs($1)
')

########################################
## <summary>
##	Create, read, write, and delete
##	exim spool dirs.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`exim_manage_spool_dirs',`
	gen_require(`
		type exim_spool_t;
	')

	manage_dirs_pattern($1, exim_spool_t, exim_spool_t)
	files_search_spool($1)
')

########################################
## <summary>
##	Read exim spool files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`exim_read_spool_files',`
	gen_require(`
		type exim_spool_t;
	')

	allow $1 exim_spool_t:file read_file_perms;
	allow $1 exim_spool_t:dir list_dir_perms;
	files_search_spool($1)
')

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

	manage_files_pattern($1, exim_spool_t, exim_spool_t)
	files_search_spool($1)
')

########################################
## <summary>
##	All of the rules required to administrate
##	an exim environment.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <param name="role">
##	<summary>
##	Role allowed access.
##	</summary>
## </param>
#
interface(`exim_admin', `
	gen_require(`
		type exim_t, exim_initrc_exec_t, exim_log_t; 
		type exim_tmp_t, exim_spool_t,  exim_var_run_t;
	')

	allow $1 exim_t:process { ptrace signal_perms getattr };
	read_files_pattern($1, exim_t, exim_t)	

	exim_initrc_domtrans($1)
	domain_system_change_exemption($1)
	role_transition $2 exim_initrc_exec_t system_r;
	allow $2 system_r;

	logging_search_logs($1)
	admin_pattern($1, exim_log_t)

	files_search_tmp($1)
	admin_pattern($1, exim_tmp_t)

	files_search_spool($1)
	admin_pattern($1, exim_spool_t)

	files_search_pids($1)
	admin_pattern($1, exim_var_run_t)
')