selinux-policy/refpolicy/policy/modules/services/qmail.if

## <summary>Qmail Mail Server</summary>

#######################################
## <summary>
##      The per user domain template for qmail
## </summary>
## <desc>
##      <p>
##      This template is invoked automatically for each user, and
##      generally does not need to be invoked directly
##      by policy writers.
##      </p>
## </desc>
## <param name="userdomain_prefix">
##      <summary>
##      The prefix of the user domain (e.g., user
##      is the prefix for user_t).
##      </summary>
## </param>
## <param name="user_domain">
##      <summary>
##      The type of the user domain.
##      </summary>
## </param>
## <param name="user_role">
##      <summary>
##      The role associated with the user domain.
##      </summary>
## </param>
#
template(`qmail_per_userdomain_template',`
	gen_require(`
		attribute qmail_user_domains;
	')

	role $3 types qmail_user_domains;

	qmail_domtrans_inject($2)

	allow qmail_user_domains $2:process sigchld;
	allow qmail_user_domains $2:fifo_file { write getattr };
	allow qmail_user_domains $2:fd use;

')

########################################
## <summary>
##	Template for qmail parent/sub-domain pairs
## </summary>
## <param name="child_prefix">
##	<summary>
##	The prefix of the child domain
##	</summary>
## </param>
## <param name="parent_domain">
##	<summary>
##	The name of the parent domain.
##	</summary>
## </param>
#
template(`qmail_child_domain_template',`
	type $1_t;
	domain_type($1_t)
	type $1_exec_t;
	domain_entry_file($1_t,$1_exec_t)
	domain_auto_trans($2, $1_exec_t, $1_t)
	role system_r types $1_t;

	allow $1_t self:process signal_perms;

	allow $1_t $2:fd use;
	allow $1_t $2:fifo_file rw_file_perms;
	allow $1_t $2:process sigchld;

	allow $1_t qmail_etc_t:dir { getattr read search };
	allow $1_t qmail_etc_t:file { getattr read };
	allow $1_t qmail_etc_t:lnk_file { getattr read };

	allow $1_t qmail_start_t:fd use;

	kernel_list_proc($2)
	kernel_read_proc_symlinks($2)

	corecmd_search_bin($1_t)

	files_search_var($1_t)

	fs_getattr_xattr_fs($1_t)

	libs_use_ld_so($1_t)
	libs_use_shared_libs($1_t)

	miscfiles_read_localization($1_t)
')

########################################
## <summary>
##	Transition to qmail_inject_t
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access
##	</summary>
## </param>
#
interface(`qmail_domtrans_inject',`
	gen_require(`
		type qmail_inject_t;
		type qmail_inject_exec_t;
	')

	domain_auto_trans($1, qmail_inject_exec_t, qmail_inject_t)
	allow qmail_inject_t $1:fd use;
	allow qmail_inject_t $1:fifo_file { read write };
	allow qmail_inject_t $1:process sigchld;

	ifdef(`distro_debian',`
		files_search_usr($1)
		corecmd_search_sbin($1)
	',`
		files_search_var($1)
		corecmd_search_bin($1)
	')
')

########################################
## <summary>
##	Transition to qmail_queue_t
## </summary>
## <param name="domain">
##	<summary>
##		Domain allowed access
##	</summary>
## </param>
#
interface(`qmail_domtrans_queue',`
	gen_require(`
		type qmail_queue_t;
		type qmail_queue_exec_t;
	')

	domain_auto_trans($1, qmail_queue_exec_t, qmail_queue_t)

	allow qmail_queue_t $1:fd use;
	allow qmail_queue_t $1:fifo_file { read write };
	allow qmail_queue_t $1:process sigchld;

	ifdef(`distro_debian',`
		files_search_usr($1)
		corecmd_search_sbin($1)
	',`
		files_search_var($1)
		corecmd_search_bin($1)
	')
')

########################################
## <summary>
##	Read qmail configuration files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`qmail_read_config',`
	gen_require(`
		type qmail_etc_t;
	')

	allow $1 qmail_etc_t:dir { getattr read search };
	allow $1 qmail_etc_t:file { getattr read };
	allow $1 qmail_etc_t:lnk_file { getattr read };
	files_search_var($1)

	ifdef(`distro_debian',`
		# handle /etc/qmail
		files_search_etc($1)
	')
')

########################################
## <summary>
##	Define the specified domain as a qmail-smtp service. 
##	Needed by antivirus/antispam filters.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access
##	</summary>
## </param>
## <param name="entrypoint">
##	<summary>
##	The type associated with the process program.
##	</summary>
## </param>
#
interface(`qmail_smtpd_service_domain',`
	gen_require(`
		type qmail_smtpd_t;
	')

        domain_auto_trans(qmail_smtpd_t, $2, $1)

	allow $1 qmail_smtpd_t:fd use;
	allow $1 qmail_smtpd_t:fifo_file { read write };
	allow $1 qmail_smtpd_t:process sigchld;
')