#
## <desc>
-## <p>
-## allow host key based authentication
-## </p>
+## allow host key based authentication
+## </p>
## </desc>
gen_tunable(allow_ssh_keysign, false)
## <desc>
-## <p>
-## Allow ssh logins as sysadm_r:sysadm_t
-## </p>
+## Allow ssh logins as sysadm_r:sysadm_t
+## </p>
## </desc>
gen_tunable(ssh_sysadm_login, false)
+## <desc>
+## <p>
+## allow sshd to forward port connections
+## </p>
+## </desc>
+gen_tunable(sshd_forward_ports, false)
+
## <desc>
## <p>
-## allow sshd to forward port connections
+## Allow ssh with chroot env to read and write files
+## in the user home directories
## </p>
## </desc>
-gen_tunable(sshd_forward_ports, false)
+gen_tunable(ssh_chroot_rw_homedirs, false)
+attribute ssh_dyntransition_domain;
attribute ssh_server;
attribute ssh_agent_type;
+ssh_dyntransition_domain_template(chroot_user_t)
+ssh_dyntransition_domain_template(sshd_sandbox_t)
+
type ssh_keygen_t;
type ssh_keygen_exec_t;
init_system_domain(ssh_keygen_t, ssh_keygen_exec_t)
-role system_r types ssh_keygen_t;
type sshd_exec_t;
corecmd_executable_file(sshd_exec_t)
type sshd_key_t;
files_type(sshd_key_t)
-ifdef(`enable_mcs',`
- init_ranged_daemon_domain(sshd_t, sshd_exec_t, s0 - mcs_systemhigh)
-')
-
type ssh_t;
type ssh_exec_t;
typealias ssh_t alias { user_ssh_t staff_ssh_t sysadm_ssh_t };
type ssh_home_t;
typealias ssh_home_t alias { home_ssh_t user_ssh_home_t user_home_ssh_t staff_home_ssh_t sysadm_home_ssh_t };
typealias ssh_home_t alias { auditadm_home_ssh_t secadm_home_ssh_t };
-files_type(ssh_home_t)
userdom_user_home_content(ssh_home_t)
+files_poly_parent(ssh_home_t)
+
+ifdef(`enable_mcs',`
+ init_ranged_daemon_domain(sshd_t, sshd_exec_t, s0 - mcs_systemhigh)
+')
##############################
#
allow ssh_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem execstack execheap };
allow ssh_t self:fd use;
allow ssh_t self:fifo_file rw_fifo_file_perms;
+allow ssh_t self:key read;
allow ssh_t self:unix_dgram_socket { create_socket_perms sendto };
allow ssh_t self:unix_stream_socket { create_stream_socket_perms connectto };
allow ssh_t self:shm create_shm_perms;
allow ssh_t self:msgq create_msgq_perms;
allow ssh_t self:msg { send receive };
allow ssh_t self:tcp_socket create_stream_socket_perms;
+can_exec(ssh_t, ssh_exec_t)
# Read the ssh key file.
allow ssh_t sshd_key_t:file read_file_perms;
manage_dirs_pattern(ssh_t, ssh_home_t, ssh_home_t)
manage_sock_files_pattern(ssh_t, ssh_home_t, ssh_home_t)
userdom_user_home_dir_filetrans(ssh_t, ssh_home_t, { dir sock_file })
+userdom_read_all_users_keys(ssh_t)
userdom_stream_connect(ssh_t)
+userdom_search_admin_dir(sshd_t)
+userdom_admin_home_dir_filetrans(ssh_t, ssh_home_t, { dir sock_file })
# Allow the ssh program to communicate with ssh-agent.
stream_connect_pattern(ssh_t, ssh_agent_tmp_t, ssh_agent_tmp_t, ssh_agent_type)
allow ssh_t sshd_t:unix_stream_socket connectto;
+allow ssh_t sshd_t:peer recv;
# ssh client can manage the keys and config
manage_files_pattern(ssh_t, ssh_home_t, ssh_home_t)
corenet_sendrecv_ssh_client_packets(ssh_t)
corenet_tcp_bind_generic_node(ssh_t)
corenet_tcp_bind_all_unreserved_ports(ssh_t)
+corenet_rw_tun_tap_dev(ssh_t)
+dev_read_rand(ssh_t)
dev_read_urand(ssh_t)
fs_getattr_all_fs(ssh_t)
auth_use_nsswitch(ssh_t)
miscfiles_read_localization(ssh_t)
+miscfiles_read_generic_certs(ssh_t)
seutil_read_config(ssh_t)
userdom_dontaudit_list_user_home_dirs(ssh_t)
userdom_search_user_home_dirs(ssh_t)
+userdom_search_admin_dir(ssh_t)
# Write to the user domain tty.
-userdom_use_user_terminals(ssh_t)
+userdom_use_inherited_user_terminals(ssh_t)
# needs to read krb/write tgt
userdom_read_user_tmp_files(ssh_t)
userdom_write_user_tmp_files(ssh_t)
userdom_read_user_home_content_symlinks(ssh_t)
+userdom_read_home_certs(ssh_t)
+userdom_home_manager(ssh_t)
tunable_policy(`allow_ssh_keysign',`
- domain_auto_trans(ssh_t, ssh_keysign_exec_t, ssh_keysign_t)
- allow ssh_keysign_t ssh_t:fd use;
- allow ssh_keysign_t ssh_t:process sigchld;
- allow ssh_keysign_t ssh_t:fifo_file rw_file_perms;
-')
-
-tunable_policy(`use_nfs_home_dirs',`
- fs_manage_nfs_dirs(ssh_t)
- fs_manage_nfs_files(ssh_t)
-')
-
-tunable_policy(`use_samba_home_dirs',`
- fs_manage_cifs_dirs(ssh_t)
- fs_manage_cifs_files(ssh_t)
+ domtrans_pattern(ssh_t, ssh_keysign_exec_t, ssh_keysign_t)
')
# for port forwarding
')
optional_policy(`
- xserver_user_x_domain_template(ssh, ssh_t, ssh_tmpfs_t)
- xserver_domtrans_xauth(ssh_t)
-')
-
-########################################
-#
-# ssh_keygen local policy
-#
-
-# ssh_keygen_t is the type of the ssh-keygen program when run at install time
-# and by sysadm_t
-
-dontaudit ssh_keygen_t self:capability sys_tty_config;
-allow ssh_keygen_t self:process { sigchld sigkill sigstop signull signal };
-
-allow ssh_keygen_t self:unix_stream_socket create_stream_socket_perms;
-
-allow ssh_keygen_t sshd_key_t:file manage_file_perms;
-files_etc_filetrans(ssh_keygen_t, sshd_key_t, file)
-
-kernel_read_kernel_sysctls(ssh_keygen_t)
-
-fs_search_auto_mountpoints(ssh_keygen_t)
-
-dev_read_sysfs(ssh_keygen_t)
-dev_read_urand(ssh_keygen_t)
-
-term_dontaudit_use_console(ssh_keygen_t)
-
-domain_use_interactive_fds(ssh_keygen_t)
-
-files_read_etc_files(ssh_keygen_t)
-
-init_use_fds(ssh_keygen_t)
-init_use_script_ptys(ssh_keygen_t)
-
-logging_send_syslog_msg(ssh_keygen_t)
-
-userdom_dontaudit_use_unpriv_user_fds(ssh_keygen_t)
-
-optional_policy(`
- nscd_socket_use(ssh_keygen_t)
+ gnome_stream_connect_all_gkeyringd(ssh_t)
')
optional_policy(`
- seutil_sigchld_newrole(ssh_keygen_t)
+ xserver_user_x_domain_template(ssh, ssh_t, ssh_tmpfs_t)
+ xserver_domtrans_xauth(ssh_t)
')
-optional_policy(`
- udev_read_db(ssh_keygen_t)
-')
##############################
#
allow ssh_keysign_t self:capability { setgid setuid };
allow ssh_keysign_t self:unix_stream_socket create_socket_perms;
- allow ssh_keysign_t sshd_key_t:file { getattr read };
+ allow ssh_keysign_t sshd_key_t:file read_file_perms;
+ dev_read_rand(ssh_keysign_t)
dev_read_urand(ssh_keysign_t)
files_read_etc_files(ssh_keysign_t)
')
-optional_policy(`
- tunable_policy(`allow_ssh_keysign',`
- nscd_socket_use(ssh_keysign_t)
- ')
-')
-
#################################
#
# sshd local policy
# so a tunnel can point to another ssh tunnel
allow sshd_t self:netlink_route_socket r_netlink_socket_perms;
allow sshd_t self:key { search link write };
-
allow sshd_t self:process setcurrent;
kernel_search_key(sshd_t)
corenet_tcp_bind_xserver_port(sshd_t)
corenet_sendrecv_xserver_server_packets(sshd_t)
-tunable_policy(`sshd_forward_ports', `
- corenet_tcp_bind_all_unreserved_ports(sshd_t)
- corenet_tcp_connect_all_ports(sshd_t)
-')
-
userdom_read_user_home_content_files(sshd_t)
userdom_read_user_home_content_symlinks(sshd_t)
-userdom_search_admin_dir(sshd_t)
userdom_manage_tmp_role(system_r, sshd_t)
+userdom_spec_domtrans_unpriv_users(sshd_t)
+userdom_signal_unpriv_users(sshd_t)
+userdom_dyntransition_unpriv_users(sshd_t)
+
+tunable_policy(`sshd_forward_ports',`
+ corenet_tcp_bind_all_unreserved_ports(sshd_t)
+ corenet_tcp_connect_all_ports(sshd_t)
+')
tunable_policy(`ssh_sysadm_login',`
# Relabel and access ptys created by sshd
# display the tty.
# some versions of sshd on the new SE Linux require setattr
userdom_signal_all_users(sshd_t)
+ userdom_spec_domtrans_all_users(sshd_t)
')
-userdom_spec_domtrans_unpriv_users(sshd_t)
-userdom_signal_unpriv_users(sshd_t)
+optional_policy(`
+ amanda_search_var_lib(sshd_t)
+')
optional_policy(`
daemontools_service_domain(sshd_t, sshd_exec_t)
ftp_dyntrans_anon_sftpd(sshd_t)
')
-optional_policy(`
- gitosis_manage_lib_files(sshd_t)
-')
-
optional_policy(`
inetd_tcp_service_domain(sshd_t, sshd_exec_t)
')
rssh_read_ro_content(sshd_t)
')
+optional_policy(`
+ systemd_exec_systemctl(sshd_t)
+')
+
optional_policy(`
usermanage_domtrans_passwd(sshd_t)
usermanage_read_crack_db(sshd_t)
')
ifdef(`TODO',`
-tunable_policy(`ssh_sysadm_login',`
- # Relabel and access ptys created by sshd
- # ioctl is necessary for logout() processing for utmp entry and for w to
- # display the tty.
- # some versions of sshd on the new SE Linux require setattr
- allow sshd_t ptyfile:chr_file relabelto;
-
- optional_policy(`
- domain_trans(sshd_t, xauth_exec_t, userdomain)
- ')
-',`
- optional_policy(`
- domain_trans(sshd_t, xauth_exec_t, unpriv_userdomain)
+ tunable_policy(`ssh_sysadm_login',`
+ # Relabel and access ptys created by sshd
+ # ioctl is necessary for logout() processing for utmp entry and for w to
+ # display the tty.
+ # some versions of sshd on the new SE Linux require setattr
+ allow sshd_t ptyfile:chr_file relabelto;
+
+ optional_policy(`
+ domain_trans(sshd_t, xauth_exec_t, userdomain)
+ ')
+ ',`
+ optional_policy(`
+ domain_trans(sshd_t, xauth_exec_t, unpriv_userdomain)
+ ')
+ # Relabel and access ptys created by sshd
+ # ioctl is necessary for logout() processing for utmp entry and for w to
+ # display the tty.
+ # some versions of sshd on the new SE Linux require setattr
+ allow sshd_t userpty_type:chr_file { relabelto rw_inherited_chr_file_perms setattr_chr_file_perms };
')
- # Relabel and access ptys created by sshd
- # ioctl is necessary for logout() processing for utmp entry and for w to
- # display the tty.
- # some versions of sshd on the new SE Linux require setattr
- allow sshd_t userpty_type:chr_file { relabelto read write getattr ioctl setattr };
-')
') dnl endif TODO
########################################
# ssh_keygen_t is the type of the ssh-keygen program when run at install time
# and by sysadm_t
+allow ssh_keygen_t self:capability dac_override;
dontaudit ssh_keygen_t self:capability sys_tty_config;
allow ssh_keygen_t self:process { sigchld sigkill sigstop signull signal };
-
allow ssh_keygen_t self:unix_stream_socket create_stream_socket_perms;
allow ssh_keygen_t sshd_key_t:file manage_file_perms;
files_etc_filetrans(ssh_keygen_t, sshd_key_t, file)
+manage_dirs_pattern(ssh_keygen_t, ssh_home_t, ssh_home_t)
+manage_files_pattern(ssh_keygen_t, ssh_home_t, ssh_home_t)
+userdom_admin_home_dir_filetrans(ssh_keygen_t, ssh_home_t, dir)
+userdom_user_home_dir_filetrans(ssh_keygen_t, ssh_home_t, dir)
+
+kernel_read_system_state(ssh_keygen_t)
kernel_read_kernel_sysctls(ssh_keygen_t)
fs_search_auto_mountpoints(ssh_keygen_t)
dev_read_sysfs(ssh_keygen_t)
+dev_read_rand(ssh_keygen_t)
dev_read_urand(ssh_keygen_t)
term_dontaudit_use_console(ssh_keygen_t)
logging_send_syslog_msg(ssh_keygen_t)
userdom_dontaudit_use_unpriv_user_fds(ssh_keygen_t)
+userdom_use_user_terminals(ssh_keygen_t)
optional_policy(`
seutil_sigchld_newrole(ssh_keygen_t)
optional_policy(`
udev_read_db(ssh_keygen_t)
')
+
+####################################
+#
+# ssh_dyntransition domain local policy
+#
+
+allow ssh_dyntransition_domain self:capability { setuid sys_chroot setgid };
+
+allow ssh_dyntransition_domain self:fifo_file rw_fifo_file_perms;
+
+optional_policy(`
+ ssh_rw_stream_sockets(ssh_dyntransition_domain)
+ ssh_rw_tcp_sockets(ssh_dyntransition_domain)
+')
+
+#####################################
+#
+# ssh_sandbox local policy
+#
+
+allow sshd_t sshd_sandbox_t:process signal;
+
+init_ioctl_stream_sockets(sshd_sandbox_t)
+
+logging_send_audit_msgs(sshd_sandbox_t)
+
+######################################
+#
+# chroot_user_t local policy
+#
+
+
+userdom_read_user_home_content_files(chroot_user_t)
+userdom_read_inherited_user_home_content_files(chroot_user_t)
+userdom_read_user_home_content_symlinks(chroot_user_t)
+userdom_exec_user_home_content_files(chroot_user_t)
+
+tunable_policy(`ssh_chroot_rw_homedirs',`
+ files_list_home(chroot_user_t)
+ userdom_read_user_home_content_files(chroot_user_t)
+ userdom_manage_user_home_content(chroot_user_t)
+', `
+
+ userdom_user_home_dir_filetrans_pattern(chroot_user_t, { dir file lnk_file })
+')
+
+tunable_policy(`ssh_chroot_rw_homedirs && use_nfs_home_dirs',`
+ fs_manage_nfs_dirs(chroot_user_t)
+ fs_manage_nfs_files(chroot_user_t)
+ fs_manage_nfs_symlinks(chroot_user_t)
+')
+
+tunable_policy(`ssh_chroot_rw_homedirs && use_samba_home_dirs',`
+ fs_manage_cifs_dirs(chroot_user_t)
+ fs_manage_cifs_files(chroot_user_t)
+ fs_manage_cifs_symlinks(chroot_user_t)
+')
+
+tunable_policy(`ssh_chroot_rw_homedirs && use_fusefs_home_dirs',`
+ fs_manage_fusefs_dirs(chroot_user_t)
+ fs_manage_fusefs_files(chroot_user_t)
+ fs_manage_fusefs_symlinks(chroot_user_t)
+')
+
+tunable_policy(`use_samba_home_dirs',`
+ fs_read_cifs_files(chroot_user_t)
+ fs_read_cifs_symlinks(chroot_user_t)
+')
+
+userdom_home_manager(chroot_user_t)
+
+optional_policy(`
+ ssh_rw_dgram_sockets(chroot_user_t)
+')
projects / people / stevee / selinux-policy.git / blobdiff