cab9bc9c58
Conflicts: policy/modules/admin/amanda.if policy/modules/system/init.te policy/modules/system/miscfiles.if policy/modules/system/miscfiles.te policy/modules/system/userdomain.if
789 lines
18 KiB
Plaintext
789 lines
18 KiB
Plaintext
## <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_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_override 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;
|
|
|
|
# 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;
|
|
|
|
# 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)
|
|
|
|
corenet_all_recvfrom_unlabeled($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)
|
|
|
|
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)
|
|
|
|
miscfiles_read_localization($1_ssh_t)
|
|
|
|
seutil_read_config($1_ssh_t)
|
|
|
|
optional_policy(`
|
|
kerberos_use($1_ssh_t)
|
|
')
|
|
')
|
|
|
|
#######################################
|
|
## <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', `
|
|
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_chroot sys_nice sys_resource chown 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 { signal getsched setsched setrlimit setexec };
|
|
allow $1_t self:tcp_socket create_stream_socket_perms;
|
|
allow $1_t self:udp_socket create_socket_perms;
|
|
# 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 getattr 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)
|
|
|
|
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_read_network_state($1_t)
|
|
kernel_request_load_module(ssh_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_dontaudit_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)
|
|
|
|
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)
|
|
|
|
miscfiles_read_localization($1_t)
|
|
|
|
userdom_dontaudit_relabelfrom_user_ptys($1_t)
|
|
userdom_search_user_home_dirs($1_t)
|
|
userdom_read_user_home_content_files($1_t)
|
|
|
|
# Allow checking users mail at login
|
|
mta_getattr_spool($1_t)
|
|
|
|
tunable_policy(`use_nfs_home_dirs',`
|
|
fs_read_nfs_files($1_t)
|
|
fs_read_nfs_symlinks($1_t)
|
|
')
|
|
|
|
tunable_policy(`use_samba_home_dirs',`
|
|
fs_read_cifs_files($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>
|
|
#
|
|
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;
|
|
')
|
|
|
|
##############################
|
|
#
|
|
# Declarations
|
|
#
|
|
|
|
role $2 types ssh_t;
|
|
|
|
type $1_ssh_agent_t, ssh_agent_type;
|
|
application_domain($1_ssh_agent_t, ssh_agent_exec_t)
|
|
domain_interactive_fd($1_ssh_agent_t)
|
|
ubac_constrained($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;
|
|
|
|
# for rsync
|
|
allow ssh_t $3:unix_stream_socket rw_socket_perms;
|
|
allow ssh_t $3:unix_stream_socket connectto;
|
|
|
|
# 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 self:process setrlimit;
|
|
allow $1_ssh_agent_t self:capability setgid;
|
|
|
|
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 };
|
|
|
|
manage_dirs_pattern($1_ssh_agent_t, ssh_agent_tmp_t, ssh_agent_tmp_t)
|
|
manage_sock_files_pattern($1_ssh_agent_t, ssh_agent_tmp_t, ssh_agent_tmp_t)
|
|
files_tmp_filetrans($1_ssh_agent_t, ssh_agent_tmp_t, { dir sock_file })
|
|
|
|
# for ssh-add
|
|
stream_connect_pattern($3, ssh_agent_tmp_t, ssh_agent_tmp_t, $1_ssh_agent_t)
|
|
|
|
# Allow the user shell to signal the ssh program.
|
|
allow $3 $1_ssh_agent_t:process signal;
|
|
|
|
# allow ps to show ssh
|
|
ps_process_pattern($3, $1_ssh_agent_t)
|
|
|
|
domtrans_pattern($3, ssh_agent_exec_t, $1_ssh_agent_t)
|
|
|
|
kernel_read_kernel_sysctls($1_ssh_agent_t)
|
|
|
|
dev_read_urand($1_ssh_agent_t)
|
|
dev_read_rand($1_ssh_agent_t)
|
|
|
|
fs_search_auto_mountpoints($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)
|
|
|
|
domain_use_interactive_fds($1_ssh_agent_t)
|
|
|
|
files_read_etc_files($1_ssh_agent_t)
|
|
files_read_etc_runtime_files($1_ssh_agent_t)
|
|
files_search_home($1_ssh_agent_t)
|
|
|
|
libs_read_lib_files($1_ssh_agent_t)
|
|
|
|
logging_send_syslog_msg($1_ssh_agent_t)
|
|
|
|
miscfiles_read_localization($1_ssh_agent_t)
|
|
miscfiles_read_generic_certs($1_ssh_agent_t)
|
|
|
|
seutil_dontaudit_read_config($1_ssh_agent_t)
|
|
|
|
# Write to the user domain tty.
|
|
userdom_use_user_terminals($1_ssh_agent_t)
|
|
|
|
# for the transition back to normal privs upon exec
|
|
userdom_search_user_home_content($1_ssh_agent_t)
|
|
userdom_user_home_domtrans($1_ssh_agent_t, $3)
|
|
allow $3 $1_ssh_agent_t:fd use;
|
|
allow $3 $1_ssh_agent_t:fifo_file rw_file_perms;
|
|
allow $3 $1_ssh_agent_t:process sigchld;
|
|
|
|
tunable_policy(`use_nfs_home_dirs',`
|
|
fs_manage_nfs_files($1_ssh_agent_t)
|
|
|
|
# transition back to normal privs upon exec
|
|
fs_nfs_domtrans($1_ssh_agent_t, $3)
|
|
')
|
|
|
|
tunable_policy(`use_samba_home_dirs',`
|
|
fs_manage_cifs_files($1_ssh_agent_t)
|
|
|
|
# transition back to normal privs upon exec
|
|
fs_cifs_domtrans($1_ssh_agent_t, $3)
|
|
')
|
|
|
|
optional_policy(`
|
|
nis_use_ypbind($1_ssh_agent_t)
|
|
')
|
|
|
|
optional_policy(`
|
|
xserver_use_xdm_fds($1_ssh_agent_t)
|
|
xserver_rw_xdm_pipes($1_ssh_agent_t)
|
|
')
|
|
')
|
|
|
|
########################################
|
|
## <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>
|
|
## 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 { getattr read };
|
|
')
|
|
########################################
|
|
## <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 { write read getattr ioctl };
|
|
')
|
|
|
|
########################################
|
|
## <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;
|
|
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>
|
|
## 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)
|
|
')
|
|
|
|
########################################
|
|
## <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 { getattr read };
|
|
')
|
|
|
|
######################################
|
|
## <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>
|
|
## 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>
|
|
## 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;
|
|
')
|
|
|