Chris PeBenito 0404a3
Chris PeBenito 0404a3
policy_module(ssh,1.0)
Chris PeBenito 0404a3
Chris PeBenito 0404a3
########################################
Chris PeBenito 0404a3
#
Chris PeBenito 0404a3
# Declarations
Chris PeBenito 0404a3
#
Chris PeBenito 0404a3
Chris PeBenito 452399
attribute ssh_server;
Chris PeBenito 0404a3
Chris PeBenito 0404a3
# Type for the ssh-agent executable.
Chris PeBenito 0404a3
type ssh_agent_exec_t;
Chris PeBenito 8fd367
files_type(ssh_agent_exec_t)
Chris PeBenito 0404a3
Chris PeBenito 0404a3
# ssh client executable.
Chris PeBenito 0404a3
type ssh_exec_t;
Chris PeBenito 8fd367
files_type(ssh_exec_t)
Chris PeBenito 0404a3
Chris PeBenito 0404a3
type ssh_keygen_t;
Chris PeBenito 0404a3
type ssh_keygen_exec_t;
Chris PeBenito e5f806
init_system_domain(ssh_keygen_t,ssh_keygen_exec_t)
Chris PeBenito 0404a3
role system_r types ssh_keygen_t;
Chris PeBenito 0404a3
Chris PeBenito 8fd367
ssh_server_template(sshd)
Chris PeBenito 9ccd96
Chris PeBenito c0d156
# cjp: commenting this out until typeattribute works in a conditional
Chris PeBenito 0fdf3e
#optional_policy(`inetd.te',`
Chris PeBenito 80436b
#	tunable_policy(`run_ssh_inetd',`
Chris PeBenito 9ff300
#		inetd_tcp_service_domain(sshd_t,sshd_exec_t)
Chris PeBenito 80436b
#	',`
Chris PeBenito 0fdf3e
#		init_daemon_domain(sshd_t,sshd_exec_t)
Chris PeBenito 80436b
#	')
Chris PeBenito 0fdf3e
#',`
Chris PeBenito 80436b
	# These rules should match the else block
Chris PeBenito 80436b
	# of the run_ssh_inetd tunable directly above
Chris PeBenito 80436b
	init_daemon_domain(sshd_t,sshd_exec_t)
Chris PeBenito 0fdf3e
#')
Chris PeBenito 80436b
Chris PeBenito 0404a3
type sshd_exec_t;
Chris PeBenito 8fd367
files_type(sshd_exec_t)
Chris PeBenito 0404a3
Chris PeBenito 8fd367
ssh_server_template(sshd_extern)
Chris PeBenito 9ccd96
Chris PeBenito 0404a3
type sshd_key_t;
Chris PeBenito 8fd367
files_type(sshd_key_t)
Chris PeBenito 0404a3
Chris PeBenito 0404a3
type sshd_tmp_t;
Chris PeBenito 0404a3
files_tmp_file(sshd_tmp_t)
Chris PeBenito 0404a3
Chris PeBenito 0404a3
#################################
Chris PeBenito 0404a3
#
Chris PeBenito 0404a3
# sshd local policy
Chris PeBenito 0404a3
#
Chris PeBenito 0404a3
# sshd_t is the domain for the sshd program.
Chris PeBenito 0404a3
#
Chris PeBenito 0404a3
Chris PeBenito 9ccd96
# so a tunnel can point to another ssh tunnel
Chris PeBenito 9ccd96
allow sshd_t self:tcp_socket { acceptfrom connectto recvfrom };
Chris PeBenito 0404a3
Chris PeBenito 0404a3
allow sshd_t sshd_tmp_t:dir create_dir_perms;
Chris PeBenito 0404a3
allow sshd_t sshd_tmp_t:file create_file_perms;
Chris PeBenito 0404a3
allow sshd_t sshd_tmp_t:sock_file create_file_perms;
Chris PeBenito 0404a3
files_create_tmp_files(sshd_t, sshd_tmp_t, { dir file sock_file })
Chris PeBenito 0404a3
Chris PeBenito 0404a3
# for X forwarding
Chris PeBenito 0404a3
corenet_tcp_bind_xserver_port(sshd_t)
Chris PeBenito 0404a3
Chris PeBenito 0404a3
auth_exec_pam(sshd_t)
Chris PeBenito 0404a3
Chris PeBenito 0404a3
seutil_read_config(sshd_t)
Chris PeBenito 0404a3
Chris PeBenito 9ccd96
# Allow checking users mail at login
Chris PeBenito 9ccd96
mta_getattr_spool(sshd_t)
Chris PeBenito 9ccd96
Chris PeBenito e5590e
tunable_policy(`ssh_sysadm_login',`
Chris PeBenito e5590e
	# Relabel and access ptys created by sshd
Chris PeBenito e5590e
	# ioctl is necessary for logout() processing for utmp entry and for w to
Chris PeBenito e5590e
	# display the tty.
Chris PeBenito e5590e
	# some versions of sshd on the new SE Linux require setattr
Chris PeBenito e5590e
	term_use_all_user_ptys(sshd_t)
Chris PeBenito e5590e
	term_setattr_all_user_ptys(sshd_t)
Chris PeBenito e5590e
	term_relabelto_all_user_ptys(sshd_t)
Chris PeBenito e5590e
Chris PeBenito e5590e
	userdom_spec_domtrans_all_users(sshd_t)
Chris PeBenito e5590e
	userdom_signal_all_users(sshd_t)
Chris PeBenito e5590e
',`
Chris PeBenito e5590e
	userdom_spec_domtrans_unpriv_users(sshd_t)
Chris PeBenito e5590e
	userdom_signal_unpriv_users(sshd_t)
Chris PeBenito e5590e
')
Chris PeBenito e5590e
Chris PeBenito df00b2
optional_policy(`rpm.te',`
Chris PeBenito df00b2
	rpm_use_script_fd(sshd_t)
Chris PeBenito df00b2
')
Chris PeBenito df00b2
Chris PeBenito 0404a3
ifdef(`TODO',`
Chris PeBenito 9ccd96
tunable_policy(`ssh_sysadm_login',`
Chris PeBenito bbdbdb
	# Relabel and access ptys created by sshd
Chris PeBenito bbdbdb
	# ioctl is necessary for logout() processing for utmp entry and for w to
Chris PeBenito bbdbdb
	# display the tty.
Chris PeBenito bbdbdb
	# some versions of sshd on the new SE Linux require setattr
Chris PeBenito bbdbdb
	allow sshd_t ptyfile:chr_file relabelto;
Chris PeBenito bbdbdb
Chris PeBenito 9ccd96
	optional_policy(`xauth.te',`
Chris PeBenito 0404a3
		domain_trans(sshd_t, xauth_exec_t, userdomain)
Chris PeBenito 0404a3
	')
Chris PeBenito 9ccd96
',`
Chris PeBenito 9ccd96
	optional_policy(`xauth.te',`
Chris PeBenito 0404a3
		domain_trans(sshd_t, xauth_exec_t, unpriv_userdomain)
Chris PeBenito 0404a3
	')
Chris PeBenito 0404a3
	# Relabel and access ptys created by sshd
Chris PeBenito 0404a3
	# ioctl is necessary for logout() processing for utmp entry and for w to
Chris PeBenito 0404a3
	# display the tty.
Chris PeBenito 0404a3
	# some versions of sshd on the new SE Linux require setattr
Chris PeBenito 0404a3
	allow sshd_t userpty_type:chr_file { relabelto read write getattr ioctl setattr };
Chris PeBenito 9ccd96
')
Chris PeBenito 0404a3
') dnl endif TODO
Chris PeBenito 0404a3
Chris PeBenito 0404a3
#################################
Chris PeBenito 0404a3
#
Chris PeBenito 0404a3
# sshd_extern local policy
Chris PeBenito 0404a3
#
Chris PeBenito 0404a3
# sshd_extern_t is the domain for ssh from outside our network
Chris PeBenito 0404a3
#
Chris PeBenito 0404a3
Chris PeBenito 9ccd96
ifdef(`TODO',`
Chris PeBenito 0404a3
domain_trans(sshd_extern_t, shell_exec_t, user_mini_domain)
Chris PeBenito 0404a3
# Signal the user domains.
Chris PeBenito 0404a3
allow sshd_extern_t user_mini_domain:process signal;
Chris PeBenito 0404a3
Chris PeBenito 0404a3
ifdef(`xauth.te', `
Chris PeBenito 0404a3
domain_trans(sshd_extern_t, xauth_exec_t, user_mini_domain)
Chris PeBenito 0404a3
')
Chris PeBenito 0404a3
Chris PeBenito 0404a3
# Relabel and access ptys created by sshd
Chris PeBenito 0404a3
# ioctl is necessary for logout() processing for utmp entry and for w to
Chris PeBenito 0404a3
# display the tty.
Chris PeBenito 0404a3
# some versions of sshd on the new SE Linux require setattr
Chris PeBenito 0404a3
allow sshd_extern_t user_mini_domain:chr_file { relabelto read write getattr ioctl setattr };
Chris PeBenito 0404a3
Chris PeBenito 0404a3
# inheriting stream sockets is needed for "ssh host command" as no pty
Chris PeBenito 0404a3
# is allocated
Chris PeBenito 0404a3
allow user_mini_domain sshd_extern_t:unix_stream_socket rw_stream_socket_perms;
Chris PeBenito 0404a3
Chris PeBenito 0404a3
optional_policy(`inetd.te',`
Chris PeBenito 9ccd96
	tunable_policy(`run_ssh_inetd',`
Chris PeBenito 0404a3
		domain_trans(inetd_t, sshd_exec_t, sshd_extern_t)
Chris PeBenito 9ccd96
	',`
Chris PeBenito 0404a3
		domain_trans(initrc_t, sshd_exec_t, sshd_extern_t)
Chris PeBenito 9ccd96
	')
Chris PeBenito 0404a3
',`
Chris PeBenito 0404a3
	# These rules should match the else block
Chris PeBenito 9ccd96
	# of the run_ssh_inetd tunable directly above
Chris PeBenito 0404a3
	domain_trans(initrc_t, sshd_exec_t, sshd_extern_t)
Chris PeBenito 0404a3
')
Chris PeBenito 0404a3
Chris PeBenito 0404a3
ifdef(`direct_sysadm_daemon', `
Chris PeBenito 0404a3
# Direct execution by sysadm_r.
Chris PeBenito 0404a3
domain_auto_trans(sysadm_t, sshd_exec_t, sshd_t)
Chris PeBenito 0404a3
role_transition sysadm_r sshd_exec_t system_r;
Chris PeBenito 0404a3
')
Chris PeBenito 0404a3
Chris PeBenito 0404a3
# for port forwarding
Chris PeBenito 0404a3
allow userdomain sshd_t:tcp_socket { connectto recvfrom };
Chris PeBenito 0404a3
allow sshd_t userdomain:tcp_socket { acceptfrom recvfrom };
Chris PeBenito 0404a3
allow userdomain kernel_t:tcp_socket recvfrom;
Chris PeBenito 0404a3
allow sshd_t kernel_t:tcp_socket recvfrom;
Chris PeBenito 0404a3
') dnl endif TODO
Chris PeBenito 0404a3
Chris PeBenito 0404a3
########################################
Chris PeBenito 0404a3
#
Chris PeBenito 0404a3
# ssh_keygen local policy
Chris PeBenito 0404a3
#
Chris PeBenito 0404a3
Chris PeBenito 0404a3
# ssh_keygen_t is the type of the ssh-keygen program when run at install time
Chris PeBenito 0404a3
# and by sysadm_t
Chris PeBenito 0404a3
Chris PeBenito 0404a3
dontaudit ssh_keygen_t self:capability sys_tty_config;
Chris PeBenito 0404a3
allow ssh_keygen_t self:process { sigchld sigkill sigstop signull signal };
Chris PeBenito 0404a3
Chris PeBenito 0404a3
allow ssh_keygen_t self:unix_stream_socket create_stream_socket_perms;
Chris PeBenito 0404a3
Chris PeBenito 0404a3
allow ssh_keygen_t sshd_key_t:file create_file_perms;
Chris PeBenito 0404a3
files_create_etc_config(ssh_keygen_t,sshd_key_t,file)
Chris PeBenito 0404a3
Chris PeBenito 0404a3
kernel_read_kernel_sysctl(ssh_keygen_t)
Chris PeBenito 0404a3
Chris PeBenito ab940a
fs_search_auto_mountpoints(ssh_keygen_t)
Chris PeBenito ab940a
Chris PeBenito 0404a3
dev_read_sysfs(ssh_keygen_t)
Chris PeBenito 0404a3
dev_read_urand(ssh_keygen_t)
Chris PeBenito 0404a3
Chris PeBenito 0404a3
term_dontaudit_use_console(ssh_keygen_t)
Chris PeBenito 0404a3
Chris PeBenito 0404a3
domain_use_wide_inherit_fd(ssh_keygen_t)
Chris PeBenito 0404a3
Chris PeBenito 8fd367
files_read_etc_files(ssh_keygen_t)
Chris PeBenito 0404a3
Chris PeBenito 0404a3
init_use_fd(ssh_keygen_t)
Chris PeBenito 0404a3
init_use_script_pty(ssh_keygen_t)
Chris PeBenito 0404a3
Chris PeBenito 0404a3
libs_use_ld_so(ssh_keygen_t)
Chris PeBenito 0404a3
libs_use_shared_libs(ssh_keygen_t)
Chris PeBenito 0404a3
Chris PeBenito 0404a3
logging_send_syslog_msg(ssh_keygen_t)
Chris PeBenito 0404a3
Chris PeBenito 0404a3
allow ssh_keygen_t proc_t:dir r_dir_perms;
Chris PeBenito 0404a3
allow ssh_keygen_t proc_t:lnk_file read;
Chris PeBenito 0404a3
Chris PeBenito 0404a3
userdom_use_sysadm_tty(ssh_keygen_t)
Chris PeBenito 0404a3
userdom_dontaudit_use_unpriv_user_fd(ssh_keygen_t)
Chris PeBenito 0404a3
Chris PeBenito e5f806
# cjp: with the old daemon_(base_)domain being broken up into
Chris PeBenito e5f806
# a daemon and system interface, this probably is not needed:
Chris PeBenito 0404a3
ifdef(`direct_sysadm_daemon',`
Chris PeBenito 0404a3
	userdom_dontaudit_use_sysadm_terms(ssh_keygen_t)
Chris PeBenito 0404a3
')
Chris PeBenito 0404a3
Chris PeBenito 0404a3
ifdef(`targeted_policy', `
Chris PeBenito 0404a3
	term_dontaudit_use_unallocated_tty(ssh_keygen_t)
Chris PeBenito 0404a3
	term_dontaudit_use_generic_pty(ssh_keygen_t)
Chris PeBenito 0404a3
	files_dontaudit_read_root_file(ssh_keygen_t)
Chris PeBenito 0404a3
')
Chris PeBenito 0404a3
Chris PeBenito ae9e27
optional_policy(`selinuxutil.te',`
Chris PeBenito 8fd367
	seutil_sigchld_newrole(ssh_keygen_t)
Chris PeBenito 0404a3
')
Chris PeBenito 0404a3
Chris PeBenito 0404a3
optional_policy(`udev.te', `
Chris PeBenito 0404a3
	udev_read_db(ssh_keygen_t)
Chris PeBenito 0404a3
')
Chris PeBenito c0d156
Chris PeBenito c0d156
ifdef(`TODO',`
Chris PeBenito c0d156
optional_policy(`rhgb.te', `
Chris PeBenito c0d156
	rhgb_domain(ssh_keygen_t)
Chris PeBenito c0d156
')
Chris PeBenito c0d156
')