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

## <summary>File transfer protocol service.</summary>

#######################################
## <summary>
##	Execute a dyntransition to run anon sftpd.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`ftp_dyntrans_anon_sftpd',`
	gen_require(`
		type anon_sftpd_t;
	')

	dyntrans_pattern($1, anon_sftpd_t)
')

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

	files_search_etc($1)
	allow $1 ftpd_etc_t:file read_file_perms;
')

########################################
## <summary>
##	Execute FTP daemon entry point programs.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`ftp_check_exec',`
	gen_require(`
		type ftpd_exec_t;
	')

	corecmd_search_bin($1)
	allow $1 ftpd_exec_t:file mmap_exec_file_perms;
')

########################################
## <summary>
##	Read ftpd log files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`ftp_read_log',`
	gen_require(`
		type xferlog_t;
	')

	logging_search_logs($1)
	allow $1 xferlog_t:file read_file_perms;
')

########################################
## <summary>
##	Execute the ftpdctl in the ftpdctl domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`ftp_domtrans_ftpdctl',`
	gen_require(`
		type ftpdctl_t, ftpdctl_exec_t;
	')

	corecmd_search_bin($1)
	domtrans_pattern($1, ftpdctl_exec_t, ftpdctl_t)
')

########################################
## <summary>
##	Execute the ftpdctl in the ftpdctl
##	domain, and allow the specified
##	role the ftpctl domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
## <param name="role">
##	<summary>
##	Role allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`ftp_run_ftpdctl',`
	gen_require(`
		attribute_role ftpdctl_roles;
	')

	ftp_domtrans_ftpdctl($1)
	roleattribute $2 ftpdctl_roles;
')

#######################################
## <summary>
##	Execute a dyntransition to run sftpd.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`ftp_dyntrans_sftpd',`
	gen_require(`
		type sftpd_t;
	')

	dyntrans_pattern($1, sftpd_t)
')

########################################
## <summary>
##	All of the rules required to
##	administrate an ftp environment.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
## <param name="role">
##	<summary>
##	Role allowed access.
##	</summary>
## </param>
## <rolecap/>
#
interface(`ftp_admin',`
	gen_require(`
		type ftpd_t, ftpdctl_t, ftpd_tmp_t;
		type ftpd_etc_t, ftpd_lock_t, sftpd_t;
		type ftpd_runtime_t, xferlog_t, anon_sftpd_t;
		type ftpd_initrc_exec_t, ftpdctl_tmp_t;
		type ftpd_keytab_t;
	')

	allow $1 { ftpd_t ftpdctl_t sftpd_t anon_sftpd_t }:process { ptrace signal_perms };
	ps_process_pattern($1, { ftpd_t ftpdctl_t sftpd_t anon_sftpd_t })

	init_startstop_service($1, $2, ftpd_t, ftpd_initrc_exec_t)

	miscfiles_manage_public_files($1)

	files_list_tmp($1)
	admin_pattern($1, { ftpd_tmp_t ftpdctl_tmp_t })

	files_list_etc($1)
	admin_pattern($1, { ftpd_etc_t ftpd_keytab_t })

	files_list_var($1)
	admin_pattern($1, ftpd_lock_t)

	files_list_runtime($1)
	admin_pattern($1, ftpd_runtime_t)

	logging_list_logs($1)
	admin_pattern($1, xferlog_t)

	ftp_run_ftpdctl($1, $2)
')

########################################
## <summary>
##	create /run/pure-ftpd
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`ftp_filetrans_pure_ftpd_runtime',`
	gen_require(`
		type ftpd_runtime_t;
	')

	files_runtime_filetrans($1, ftpd_runtime_t, dir, "pure-ftpd")
')