## <summary>Secure shell client and server policy.</summary>

#######################################
## <summary>
##	Basic SSH client template.
## </summary>
## <desc>
##	<p>
##	This template creates a derived domains which are used
##	for ssh client sessions.  A derived
##	type is also created to protect the user ssh keys.
##	</p>
##	<p>
##	This template was added for NX.
##	</p>
## </desc>
## <param name="userdomain_prefix">
##	<summary>
##	The prefix of the domain (e.g., user
##	is the prefix for user_t).
##	</summary>
## </param>
## <param name="user_domain">
##	<summary>
##	The type of the domain.
##	</summary>
## </param>
## <param name="user_role">
##	<summary>
##	The role associated with the user domain.
##	</summary>
## </param>
#
template(`ssh_basic_client_template',`
	gen_require(`
		attribute ssh_server;
		type ssh_exec_t, sshd_key_t, sshd_tmp_t;
		type ssh_keysign_exec_t, ssh_keysign_t;
		type ssh_home_t;
	')

	##############################
	#
	# Declarations
	#

	type $1_ssh_t;
	application_domain($1_ssh_t, ssh_exec_t)
	role $3 types $1_ssh_t;

	##############################
	#
	# Client local policy
	#

	allow $1_ssh_t self:capability { setuid setgid  dac_read_search };
	allow $1_ssh_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem execstack execheap };
	allow $1_ssh_t self:fd use;
	allow $1_ssh_t self:fifo_file rw_fifo_file_perms;
	allow $1_ssh_t self:unix_dgram_socket { create_socket_perms sendto };
	allow $1_ssh_t self:unix_stream_socket { create_stream_socket_perms connectto };
	allow $1_ssh_t self:shm create_shm_perms;
	allow $1_ssh_t self:sem create_sem_perms;
	allow $1_ssh_t self:msgq create_msgq_perms;
	allow $1_ssh_t self:msg { send receive };
	allow $1_ssh_t self:tcp_socket create_stream_socket_perms;
    allow $1_ssh_t self:tun_socket create_socket_perms;

	# for rsync
	allow $1_ssh_t $2:unix_stream_socket rw_socket_perms;
	allow $1_ssh_t $2:unix_stream_socket connectto;

	# Read the ssh key file.
	allow $1_ssh_t sshd_key_t:file read_file_perms;

	# Access the ssh temporary files.
	allow $1_ssh_t sshd_tmp_t:dir manage_dir_perms;
	allow $1_ssh_t sshd_tmp_t:file manage_file_perms;
	files_tmp_filetrans($1_ssh_t, sshd_tmp_t, { file dir })

	# Transition from the domain to the derived domain.
	domtrans_pattern($2, ssh_exec_t, $1_ssh_t)

	# inheriting stream sockets is needed for "ssh host command" as no pty
	# is allocated
	# cjp: should probably fix target to be an attribute for ssh servers
	# or "regular" (not special like sshd_extern_t) servers
	allow $2 ssh_server:unix_stream_socket rw_stream_socket_perms;

	# derived domain can execute ssh-keysign
	domtrans_pattern($1_ssh_t, ssh_keysign_exec_t, ssh_keysign_t)
	role $3 types ssh_keysign_t;

	# allow ps to show ssh
	ps_process_pattern($2, $1_ssh_t)

	# user can manage the keys and config
	manage_files_pattern($2, ssh_home_t, ssh_home_t)
	manage_lnk_files_pattern($2, ssh_home_t, ssh_home_t)
	manage_sock_files_pattern($2, ssh_home_t, ssh_home_t)

	# ssh client can manage the keys and config
	manage_files_pattern($1_ssh_t, ssh_home_t, ssh_home_t)
	read_lnk_files_pattern($1_ssh_t, ssh_home_t, ssh_home_t)

	# ssh servers can read the user keys and config
	allow ssh_server ssh_home_t:dir list_dir_perms;
	read_files_pattern(ssh_server, ssh_home_t, ssh_home_t)
	read_lnk_files_pattern(ssh_server, ssh_home_t, ssh_home_t)

	kernel_read_kernel_sysctls($1_ssh_t)
	kernel_read_system_state($1_ssh_t)
	kernel_read_network_state($1_ssh_t)

	corenet_all_recvfrom_netlabel($1_ssh_t)
	corenet_tcp_sendrecv_generic_if($1_ssh_t)
	corenet_tcp_sendrecv_generic_node($1_ssh_t)
	corenet_tcp_sendrecv_all_ports($1_ssh_t)
	corenet_tcp_connect_ssh_port($1_ssh_t)
	corenet_sendrecv_ssh_client_packets($1_ssh_t)
	corenet_tcp_bind_generic_node($1_ssh_t)
	corenet_tcp_bind_all_unreserved_ports($1_ssh_t)
    corenet_rw_inherited_tun_tap_dev($1_ssh_t)

	dev_read_urand($1_ssh_t)

	fs_getattr_all_fs($1_ssh_t)
	fs_search_auto_mountpoints($1_ssh_t)

	# run helper programs - needed eg for x11-ssh-askpass
	corecmd_exec_shell($1_ssh_t)
	corecmd_exec_bin($1_ssh_t)

	domain_use_interactive_fds($1_ssh_t)

	files_list_home($1_ssh_t)
	files_read_usr_files($1_ssh_t)
	files_read_etc_runtime_files($1_ssh_t)
	files_read_etc_files($1_ssh_t)
	files_read_var_files($1_ssh_t)

	auth_use_nsswitch($1_ssh_t)

	logging_send_syslog_msg($1_ssh_t)
	logging_read_generic_logs($1_ssh_t)


	seutil_read_config($1_ssh_t)

	optional_policy(`
		kerberos_use($1_ssh_t)
	')
')

######################################
## <summary>
##  The template to define a domain to which sshd dyntransition.
## </summary>
## <param name="domain">
##  <summary>
##  The prefix of the dyntransition domain
##  </summary>
## </param>
#
template(`ssh_dyntransition_domain_template',`
	gen_require(`
		attribute ssh_dyntransition_domain;
	')

	type $1, ssh_dyntransition_domain;
	domain_type($1)
	role system_r types $1;
	
	optional_policy(`
		ssh_dyntransition_to($1)
	')
')
#######################################
## <summary>
##	The template to define a ssh server.
## </summary>
## <desc>
##	<p>
##	This template creates a domains to be used for
##	creating a ssh server.  This is typically done
##	to have multiple ssh servers of different sensitivities,
##	such as for an internal network-facing ssh server, and
##	a external network-facing ssh server.
##	</p>
## </desc>
## <param name="userdomain_prefix">
##	<summary>
##	The prefix of the server domain (e.g., sshd
##	is the prefix for sshd_t).
##	</summary>
## </param>
#
template(`ssh_server_template',`
    gen_require(`
        type sshd_t;
    ')

	type $1_t, ssh_server;
	auth_login_pgm_domain($1_t)

	type $1_devpts_t;
	term_login_pty($1_devpts_t)

	type $1_tmpfs_t;
	files_tmpfs_file($1_tmpfs_t)

	type $1_var_run_t;
	files_pid_file($1_var_run_t)

	allow $1_t self:capability { kill sys_admin sys_chroot sys_nice sys_resource chown dac_read_search dac_override fowner fsetid net_admin setgid setuid sys_tty_config };
	allow $1_t self:fifo_file rw_fifo_file_perms;
	allow $1_t self:process { getcap signal getsched setsched setrlimit setexec };
	allow $1_t self:process { signal getcap getsched setsched setrlimit setexec };
	allow $1_t self:tcp_socket create_stream_socket_perms;
	allow $1_t self:udp_socket create_socket_perms;
	allow $1_t self:tun_socket { create_socket_perms relabelfrom relabelto };
	# ssh agent connections:
	allow $1_t self:unix_stream_socket create_stream_socket_perms;
	allow $1_t self:shm create_shm_perms;

	allow $1_t $1_devpts_t:chr_file { rw_chr_file_perms setattr_chr_file_perms getattr_chr_file_perms relabelfrom };
	term_create_pty($1_t, $1_devpts_t)

	#manage_files_pattern($1_t, $1_tmpfs_t, $1_tmpfs_t)
	#fs_tmpfs_filetrans($1_t, $1_tmpfs_t, file)
    userdom_manage_tmp_role(system_r, sshd_t)

	allow $1_t $1_var_run_t:file manage_file_perms;
	files_pid_filetrans($1_t, $1_var_run_t, file)

	can_exec($1_t, sshd_exec_t)

	# Access key files
	allow $1_t sshd_key_t:file read_file_perms;

	kernel_read_kernel_sysctls($1_t)
	kernel_search_network_sysctl($1_t)
	kernel_read_network_state($1_t)
	kernel_request_load_module($1_t)

	corenet_all_recvfrom_unlabeled($1_t)
	corenet_all_recvfrom_netlabel($1_t)
	corenet_tcp_sendrecv_generic_if($1_t)
	corenet_udp_sendrecv_generic_if($1_t)
	corenet_raw_sendrecv_generic_if($1_t)
	corenet_tcp_sendrecv_generic_node($1_t)
	corenet_udp_sendrecv_generic_node($1_t)
	corenet_raw_sendrecv_generic_node($1_t)
	corenet_udp_sendrecv_all_ports($1_t)
	corenet_tcp_sendrecv_all_ports($1_t)
	corenet_tcp_bind_generic_node($1_t)
	corenet_udp_bind_generic_node($1_t)
	corenet_tcp_bind_ssh_port($1_t)
	corenet_sendrecv_ssh_server_packets($1_t)
	# -R qualifier
	corenet_sendrecv_ssh_server_packets($1_t)
	# tunnel feature and -w (net_admin capability also)
	corenet_rw_tun_tap_dev($1_t)

	fs_getattr_all_fs($1_t)

	auth_rw_login_records($1_t)
	auth_rw_faillog($1_t)

	corecmd_read_bin_symlinks($1_t)
	corecmd_getattr_bin_files($1_t)
	# for sshd subsystems, such as sftp-server.
	corecmd_getattr_bin_files($1_t)

	dev_rw_crypto($1_t)

	domain_interactive_fd($1_t)
	domain_dyntrans_type($1_t)

	files_read_etc_files($1_t)
	files_read_etc_runtime_files($1_t)
	files_read_usr_files($1_t)

	logging_search_logs($1_t)

	userdom_dontaudit_relabelfrom_user_ptys($1_t)
	userdom_read_user_home_content_files($1_t)

	# Allow checking users mail at login
	optional_policy(`
		mta_getattr_spool($1_t)
	')

	userdom_home_manager($1_t)

	optional_policy(`
		kerberos_use($1_t)
		#kerberos_manage_host_rcache($1_t)
	')

	optional_policy(`
		files_read_var_lib_symlinks($1_t)
		nx_spec_domtrans_server($1_t)
	')

	optional_policy(`
		rlogin_read_home_content($1_t)
	')

	optional_policy(`
		shutdown_getattr_exec_files($1_t)
	')
')

########################################
## <summary>
##	Role access for ssh
## </summary>
## <param name="role_prefix">
##	<summary>
##	The prefix of the role (e.g., user
##	is the prefix for user_r).
##	</summary>
## </param>
## <param name="role">
##	<summary>
##	Role allowed access
##	</summary>
## </param>
## <param name="domain">
##	<summary>
##	User domain for the role
##	</summary>
## </param>
## <rolecap/>
#
template(`ssh_role_template',`
	gen_require(`
		attribute ssh_server, ssh_agent_type;
		type ssh_t, ssh_exec_t, ssh_tmpfs_t, ssh_home_t;
		type ssh_agent_exec_t, ssh_keysign_t, ssh_tmpfs_t;
		type ssh_agent_tmp_t;
		type cache_home_t;
	')

	##############################
	#
	# Declarations
	#

	role $2 types ssh_t;

	type $1_ssh_agent_t, ssh_agent_type;
	userdom_user_application_domain($1_ssh_agent_t, ssh_agent_exec_t)
	domain_interactive_fd($1_ssh_agent_t)
	role $2 types $1_ssh_agent_t;

	##############################
	#
	# Local policy
	#

	# Transition from the domain to the derived domain.
	domtrans_pattern($3, ssh_exec_t, ssh_t)

	# inheriting stream sockets is needed for "ssh host command" as no pty
	# is allocated
	allow $3 ssh_server:unix_stream_socket rw_stream_socket_perms;

	# allow ps to show ssh
	ps_process_pattern($3, ssh_t)
	allow $3 ssh_t:process signal_perms;

	# for rsync
	allow ssh_t $3:unix_stream_socket rw_socket_perms;
	allow ssh_t $3:unix_stream_socket connectto;
	allow ssh_t $3:key manage_key_perms;
	allow $3 ssh_t:key { write search read view };

	# user can manage the keys and config
	manage_files_pattern($3, ssh_home_t, ssh_home_t)
	manage_lnk_files_pattern($3, ssh_home_t, ssh_home_t)
	manage_sock_files_pattern($3, ssh_home_t, ssh_home_t)
	userdom_search_user_home_dirs($1_t)
	userdom_manage_tmp_role($2, ssh_t)

	##############################
	#
	# SSH agent local policy
	#

	allow $1_ssh_agent_t { $1_ssh_agent_t $3 }:process signull;

	allow $1_ssh_agent_t self:unix_stream_socket { create_stream_socket_perms connectto };

	# for ssh-add
	stream_connect_pattern($3, ssh_agent_tmp_t, ssh_agent_tmp_t, $1_ssh_agent_t)
	stream_connect_pattern($3, cache_home_t, cache_home_t, $1_ssh_agent_t)

	# for ssh-agent user service
	allow $3 $1_ssh_agent_t:unix_stream_socket create_stream_socket_perms;
	allow $1_ssh_agent_t $3:unix_stream_socket rw_socket_perms;

	# Allow the user shell to signal the ssh program.
	allow $3 $1_ssh_agent_t:process signal_perms;

	# allow ps to show ssh
	ps_process_pattern($3, $1_ssh_agent_t)

	can_exec($1_ssh_agent_t, ssh_agent_exec_t)
	domtrans_pattern($3, ssh_agent_exec_t, $1_ssh_agent_t)

	kernel_read_system_state($1_ssh_agent_t)

	# transition back to normal privs upon exec
	corecmd_shell_domtrans($1_ssh_agent_t, $3)
	corecmd_bin_domtrans($1_ssh_agent_t, $3)

	auth_use_nsswitch($1_ssh_agent_t)

	logging_send_syslog_msg($1_ssh_agent_t)

	term_use_unallocated_ttys($1_ssh_agent_t)

	userdom_user_home_domtrans($1_ssh_agent_t, $3)
	userdom_home_manager($1_ssh_agent_t)

	ssh_exec_keygen($3)
')

########################################
## <summary>
##	Send a SIGCHLD signal to the ssh server.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`ssh_sigchld',`
	gen_require(`
		type sshd_t;
	')

	allow $1 sshd_t:process sigchld;
')

########################################
## <summary>
##	Send a generic signal to the ssh server.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`ssh_signal',`
	gen_require(`
		type sshd_t;
	')

	allow $1 sshd_t:process signal;
')

########################################
## <summary>
##	Send a null signal to sshd processes.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`ssh_signull',`
	gen_require(`
		type sshd_t;
	')

	allow $1 sshd_t:process signull;
')

########################################
## <summary>
##	Read a ssh server unnamed pipe.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`ssh_read_pipes',`
	gen_require(`
		type sshd_t;
	')

	allow $1 sshd_t:fifo_file read_fifo_file_perms;
')

######################################
## <summary>
##      Read and write ssh server unix dgram sockets.
## </summary>
## <param name="domain">
##      <summary>
##      Domain allowed access.
##      </summary>
## </param>
#
interface(`ssh_rw_dgram_sockets',`
    gen_require(`
        type sshd_t;
    ')

    allow $1 sshd_t:unix_dgram_socket rw_stream_socket_perms;
')

########################################
## <summary>
##	Read and write a ssh server unnamed pipe.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`ssh_rw_pipes',`
	gen_require(`
		type sshd_t;
	')

	allow $1 sshd_t:fifo_file rw_inherited_fifo_file_perms;
')

########################################
## <summary>
##	Read and write ssh server unix domain stream sockets.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`ssh_rw_stream_sockets',`
	gen_require(`
		type sshd_t;
	')

	allow $1 sshd_t:unix_stream_socket rw_stream_socket_perms;
')

########################################
## <summary>
##	Read and write ssh server TCP sockets.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`ssh_rw_tcp_sockets',`
	gen_require(`
		type sshd_t;
	')

	allow $1 sshd_t:tcp_socket rw_stream_socket_perms;
')

########################################
## <summary>
##	Do not audit attempts to read and write
##	ssh server TCP sockets.
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`ssh_dontaudit_rw_tcp_sockets',`
	gen_require(`
		type sshd_t;
	')

	dontaudit $1 sshd_t:tcp_socket { read write };
')

########################################
## <summary>
##	Connect to SSH daemons over TCP sockets.  (Deprecated)
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`ssh_tcp_connect',`
	refpolicywarn(`$0($*) has been deprecated.')
')

########################################
## <summary>
##	Execute the ssh daemon sshd domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`ssh_domtrans',`
	gen_require(`
		type sshd_t, sshd_exec_t;
	')

	domtrans_pattern($1, sshd_exec_t, sshd_t)
')

########################################
## <summary>
##	Execute sshd server in the sshd domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`ssh_initrc_domtrans',`
	gen_require(`
		type sshd_initrc_exec_t;
	')

	init_labeled_script_domtrans($1, sshd_initrc_exec_t)
')

########################################
## <summary>
##	Execute the ssh client in the caller domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`ssh_exec',`
	gen_require(`
		type ssh_exec_t;
	')

	corecmd_search_bin($1)
	can_exec($1, ssh_exec_t)
')

########################################
## <summary>
##	Set the attributes of sshd key files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`ssh_setattr_key_files',`
	gen_require(`
		type sshd_key_t;
	')

	allow $1 sshd_key_t:file setattr_file_perms;
	files_search_pids($1)
')

########################################
## <summary>
##	Execute the ssh agent client in the caller domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`ssh_agent_exec',`
	gen_require(`
		type ssh_agent_exec_t;
	')

	corecmd_search_bin($1)
	can_exec($1, ssh_agent_exec_t)
')

########################################
## <summary>
##	Send generic signals to ssh_agent_type.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`ssh_agent_signal',`
	gen_require(`
		attribute ssh_agent_type;
	')

	allow $1 ssh_agent_type:process signal;
')

########################################
## <summary>
##	Getattr ssh home directory
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`ssh_getattr_user_home_dir',`
	gen_require(`
		type ssh_home_t;
	')

	allow $1 ssh_home_t:dir getattr;
')

########################################
## <summary>
##	Dontaudit search ssh home directory
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`ssh_dontaudit_search_user_home_dir',`
	gen_require(`
		type ssh_home_t;
	')

	dontaudit $1 ssh_home_t:dir search_dir_perms;
')

########################################
## <summary>
##	Read ssh home directory content
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`ssh_read_user_home_files',`
	gen_require(`
		type ssh_home_t;
	')

	allow $1 ssh_home_t:dir list_dir_perms;
	read_files_pattern($1, ssh_home_t, ssh_home_t)
	read_lnk_files_pattern($1, ssh_home_t, ssh_home_t)
	userdom_search_user_home_dirs($1)
')

########################################
## <summary>
##	Execute the ssh key generator in the ssh keygen domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`ssh_domtrans_keygen',`
	gen_require(`
		type ssh_keygen_t, ssh_keygen_exec_t;
	')

	domtrans_pattern($1, ssh_keygen_exec_t, ssh_keygen_t)
    allow $1 ssh_keygen_exec_t:file map;
')

########################################
## <summary>
##	Execute the ssh key generator in the caller domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`ssh_exec_keygen',`
	gen_require(`
		type ssh_keygen_exec_t;
	')

	can_exec($1, ssh_keygen_exec_t)
')

#######################################
## <summary>
##  Execute ssh-keygen in the iptables domain, and
##  allow the specified role the ssh-keygen domain.
## </summary>
## <param name="domain">
##  <summary>
##  Domain allowed to transition.
##  </summary>
## </param>
## <param name="role">
##  <summary>
##  Role allowed access.
##  </summary>
## </param>
## <rolecap/>
#
interface(`ssh_run_keygen',`
    gen_require(`
        type ssh_keygen_t;
    ')

	role $2 types ssh_keygen_t;
	ssh_domtrans_keygen($1)
')

########################################
## <summary>
##	Getattr ssh server keys
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`ssh_getattr_server_keys',`
	gen_require(`
		type sshd_key_t;
	')

	allow $1 sshd_key_t:file getattr_file_perms;
')

########################################
## <summary>
##	Read ssh server keys
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`ssh_dontaudit_read_server_keys',`
	gen_require(`
		type sshd_key_t;
	')

	dontaudit $1 sshd_key_t:file read_file_perms;
')

######################################
## <summary>
##	Append ssh home directory content
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`ssh_append_home_files',`
	gen_require(`
		type ssh_home_t;
	')

	append_files_pattern($1, ssh_home_t, ssh_home_t)
	userdom_search_user_home_dirs($1)
')

######################################
## <summary>
##	Manage ssh home directory content
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`ssh_manage_home_files',`
	gen_require(`
		type ssh_home_t;
	')

	manage_files_pattern($1, ssh_home_t, ssh_home_t)
	userdom_search_user_home_dirs($1)
')

########################################
## <summary>
##      Create ssh home directory.
## </summary>
## <param name="domain">
##      <summary>
##      Domain allowed access.
##      </summary>
## </param>
#
interface(`ssh_create_home_dirs',`
        gen_require(`
                type ssh_home_t;
        ')

        allow $1 ssh_home_t:dir create_dir_perms;
        setattr_dirs_pattern($1, ssh_home_t, ssh_home_t)
')

#######################################
## <summary>
##	Delete from the ssh temp files.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`ssh_delete_tmp',`
	gen_require(`
		type sshd_tmp_t;
	')

	files_search_tmp($1)
	delete_files_pattern($1, sshd_tmp_t, sshd_tmp_t)
')

#####################################
## <summary>
##  Allow domain dyntransition to chroot_user_t domain.
## </summary>
## <param name="domain">
##  <summary>
##  Domain allowed access.
##  </summary>
## </param>
#
interface(`ssh_dyntransition_to',`
    gen_require(`
        type sshd_t;
    ')

    allow sshd_t $1:process dyntransition;
    allow $1 sshd_t:process sigchld;
    allow sshd_t $1:process { getattr sigkill sigstop signull signal };
')

########################################
## <summary>
##	Create .ssh directory in the /root directory
##	with an correct label.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`ssh_filetrans_admin_home_content',`
	gen_require(`
		type ssh_home_t;
	')

	userdom_admin_home_dir_filetrans($1, ssh_home_t, dir, ".ssh")
	userdom_admin_home_dir_filetrans($1, ssh_home_t, dir, ".shosts")
')

########################################
## <summary>
##	Create .ssh directory in the user home directory
##	with an correct label.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`ssh_filetrans_home_content',`
	
	gen_require(`
		type ssh_home_t;
	')

	userdom_user_home_dir_filetrans($1, ssh_home_t, dir, ".ssh")
	userdom_user_home_dir_filetrans($1, ssh_home_t, dir, ".shosts")
	files_var_lib_filetrans($1, ssh_home_t, dir, ".ssh")
')

########################################
## <summary>
##	Create .ssh directory in the user home directory
##	with an correct label.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed access.
##	</summary>
## </param>
#
interface(`ssh_filetrans_keys',`
	
	gen_require(`
		type sshd_key_t;
	')

    files_etc_filetrans($1, sshd_key_t, file, ".ssh_host_key")
    files_etc_filetrans($1, sshd_key_t, file, ".ssh_host_dsa_key")
    files_etc_filetrans($1, sshd_key_t, file, ".ssh_host_rsa_key")
    files_etc_filetrans($1, sshd_key_t, file, ".ssh_host_key.pub")
    files_etc_filetrans($1, sshd_key_t, file, ".ssh_host_dsa_key.pub")
    files_etc_filetrans($1, sshd_key_t, file, ".ssh_host_rsa_key.pub")
')

########################################
## <summary>
##	Do not audit attempts to read and
##	write the sshd pty type.  
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`ssh_dontaudit_use_ptys',`
	gen_require(`
		type sshd_devpts_t;
	')

	dontaudit $1 sshd_devpts_t:chr_file { getattr read write ioctl };
')

########################################
## <summary>
##	Read and write inherited sshd pty type.  
## </summary>
## <param name="domain">
##	<summary>
##	Domain to not audit.
##	</summary>
## </param>
#
interface(`ssh_use_ptys',`
	gen_require(`
		type sshd_devpts_t;
	')

	allow $1 sshd_devpts_t:chr_file rw_inherited_chr_file_perms;
')

########################################
## <summary>
##	Execute sshd server in the sshd domain.
## </summary>
## <param name="domain">
##	<summary>
##	Domain allowed to transition.
##	</summary>
## </param>
#
interface(`ssh_systemctl',`
	gen_require(`
		type sshd_t;
		type sshd_unit_file_t;
	')

	systemd_exec_systemctl($1)
    init_reload_services($1)
	allow $1 sshd_unit_file_t:file manage_file_perms;
	allow $1 sshd_unit_file_t:service manage_service_perms;

	ps_process_pattern($1, sshd_t)
')

########################################
## <summary>
##	Allow the domain to read state files in /proc.
## </summary>
## <param name="domain">
##	<summary>
##	Domain to allow access.
##	</summary>
## </param>
#
interface(`ssh_read_state',`
	gen_require(`
		type ssh_t;
	')

	read_files_pattern($1, ssh_t, ssh_t)
')