277 lines
10 KiB
Plaintext
277 lines
10 KiB
Plaintext
# Copyright (C) 2005 Tresys Technology, LLC
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policy_module(locallogin,1.0)
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########################################
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#
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# Declarations
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#
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type local_login_t; #, nscd_client_domain;
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kernel_make_object_identity_change_constraint_exception(local_login_t)
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kernel_make_process_identity_change_constraint_exception(local_login_t)
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kernel_make_role_change_constraint_exception(local_login_t)
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domain_make_domain(local_login_t)
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domain_make_file_descriptors_widely_inheritable(local_login_t)
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authlogin_make_login_program_entrypoint(local_login_t)
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role system_r types local_login_t;
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type local_login_tmp_t;
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files_make_file(local_login_tmp_t)
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type sulogin_t;
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type sulogin_exec_t;
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kernel_make_object_identity_change_constraint_exception(sulogin_t)
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kernel_make_process_identity_change_constraint_exception(sulogin_t)
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kernel_make_role_change_constraint_exception(sulogin_t)
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domain_make_init_domain(sulogin_t,sulogin_exec_t)
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domain_make_system_domain(sulogin_t,sulogin_exec_t)
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domain_make_file_descriptors_widely_inheritable(sulogin_t)
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role system_r types sulogin_t;
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########################################
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#
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# Local login local policy
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#
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allow local_login_t self:capability { dac_override chown fowner fsetid kill setgid setuid net_bind_service sys_nice sys_resource sys_tty_config };
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allow local_login_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem dyntransition };
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allow local_login_t self:process { setrlimit setexec };
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allow local_login_t self:fd use;
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allow local_login_t self:fifo_file { read getattr lock ioctl write append };
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allow local_login_t self:unix_dgram_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown };
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allow local_login_t self:unix_stream_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown listen accept };
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allow local_login_t self:unix_dgram_socket sendto;
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allow local_login_t self:unix_stream_socket connectto;
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allow local_login_t self:shm { associate getattr setattr create destroy read write lock unix_read unix_write };
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allow local_login_t self:sem { associate getattr setattr create destroy read write unix_read unix_write };
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allow local_login_t self:msgq { associate getattr setattr create destroy read write enqueue unix_read unix_write };
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allow local_login_t self:msg { send receive };
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allow local_login_t local_login_tmp_t:dir { create read getattr lock setattr ioctl link unlink rename search add_name remove_name reparent write rmdir };
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allow local_login_t local_login_tmp_t:file { create ioctl read getattr lock write setattr append link unlink rename };
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files_create_private_tmp_data(local_login_t, local_login_tmp_t, { file dir })
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kernel_read_system_state(local_login_t)
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kernel_read_kernel_sysctl(local_login_t)
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kernel_get_selinuxfs_mount_point(local_login_t)
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kernel_validate_selinux_context(local_login_t)
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kernel_compute_selinux_av(local_login_t)
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kernel_compute_create(local_login_t)
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kernel_compute_relabel(local_login_t)
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kernel_compute_reachable_user_contexts(local_login_t)
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# for SSP/ProPolice
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devices_get_pseudorandom_data(local_login_t)
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terminal_use_all_users_physical_terminals(local_login_t)
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terminal_use_general_physical_terminal(local_login_t)
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init_script_modify_runtime_data(local_login_t)
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init_ignore_use_file_descriptors(local_login_t)
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domain_read_all_entrypoint_programs(local_login_t)
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files_read_general_system_config(local_login_t)
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files_read_runtime_system_config(local_login_t)
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files_list_home_directories(local_login_t)
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files_read_general_application_resources(local_login_t)
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libraries_use_dynamic_loader(local_login_t)
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libraries_read_shared_libraries(local_login_t)
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logging_send_system_log_message(local_login_t)
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selinux_read_config(local_login_t)
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selinux_read_default_contexts(local_login_t)
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authlogin_check_password_transition(local_login_t)
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authlogin_ignore_read_shadow_passwords(local_login_t)
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authlogin_modify_login_records(local_login_t)
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authlogin_modify_last_login_log(local_login_t)
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authlogin_pam_execute(local_login_t)
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authlogin_pam_console_manage_runtime_data(local_login_t)
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miscfiles_read_localization(local_login_t)
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ifdef(`TODO',`
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allow local_login_t unpriv_userdomain:fd use;
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can_ypbind(local_login_t)
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ifdef(`automount.te', `
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allow local_login_t autofs_t:dir { search getattr };
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')
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allow local_login_t bin_t:dir r_dir_perms;
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allow local_login_t bin_t:notdevfile_class_set r_file_perms;
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allow local_login_t sbin_t:dir r_dir_perms;
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allow local_login_t sbin_t:notdevfile_class_set r_file_perms;
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if (read_default_t) {
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allow local_login_t default_t:dir r_dir_perms;
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allow local_login_t default_t:notdevfile_class_set r_file_perms;
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}
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# Read directories and files with the readable_t type.
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# This type is a general type for "world"-readable files.
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allow local_login_t readable_t:dir r_dir_perms;
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allow local_login_t readable_t:notdevfile_class_set r_file_perms;
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# Read /var, /var/spool
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allow local_login_t { var_t var_spool_t }:dir search;
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# for when /var/mail is a sym-link
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allow local_login_t var_t:lnk_file read;
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# Read /dev directories and any symbolic links.
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allow local_login_t device_t:lnk_file r_file_perms;
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dontaudit local_login_t sysfs_t:dir search;
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allow local_login_t autofs_t:dir { search read getattr };
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allow local_login_t mnt_t:dir r_dir_perms;
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# FIXME: what is this for?
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optional_policy(`xdm.te', `
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allow xdm_t local_login_t:process signull;
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')
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ifdef(`crack.te', `
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allow local_login_t crack_db_t:file r_file_perms;
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')
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# Permit login to search the user home directories.
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allow local_login_t home_root_t:dir search;
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allow local_login_t home_dir_type:dir search;
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# Write to /var/log/btmp
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allow local_login_t faillog_t:file { append read write };
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# Search for mail spool file.
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allow local_login_t mail_spool_t:dir r_dir_perms;
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allow local_login_t mail_spool_t:file getattr;
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allow local_login_t mail_spool_t:lnk_file read;
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allow local_login_t mouse_device_t:chr_file { getattr setattr };
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tunable_policy(`targeted_policy',`
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unconfined_domain(local_login_t)
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domain_auto_trans(local_login_t, shell_exec_t, unconfined_t)
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')
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# But also permit other user domains to be entered by login.
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domain_trans(local_login_t, shell_exec_t, userdomain)
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allow local_login_t userdomain:process signal;
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# Do not audit denied attempts to access devices.
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dontaudit local_login_t fixed_disk_device_t:blk_file { getattr setattr };
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dontaudit local_login_t removable_device_t:blk_file { getattr setattr };
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dontaudit local_login_t device_t:{ chr_file blk_file lnk_file } { getattr setattr };
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dontaudit local_login_t misc_device_t:{ chr_file blk_file } { getattr setattr };
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dontaudit local_login_t framebuf_device_t:chr_file { getattr setattr read };
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dontaudit local_login_t apm_bios_t:chr_file { getattr setattr };
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dontaudit local_login_t v4l_device_t:chr_file { getattr setattr read };
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dontaudit local_login_t removable_device_t:chr_file { getattr setattr };
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dontaudit local_login_t scanner_device_t:chr_file { getattr setattr };
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# Do not audit denied attempts to access /mnt.
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dontaudit local_login_t mnt_t:dir r_dir_perms;
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# Create lock file.
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allow local_login_t var_lock_t:dir rw_dir_perms;
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allow local_login_t var_lock_t:file create_file_perms;
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# Read and write ttys.
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allow local_login_t tty_device_t:chr_file setattr;
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allow local_login_t ttyfile:chr_file setattr;
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# Relabel ttys.
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allow local_login_t tty_device_t:chr_file { relabelfrom relabelto };
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allow local_login_t ttyfile:chr_file { relabelfrom relabelto };
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optional_policy(`gpm.te',`
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allow local_login_t gpmctl_t:sock_file { getattr setattr };
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')
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# Allow setting of attributes on sound devices.
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allow local_login_t sound_device_t:chr_file { getattr setattr };
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# Allow setting of attributes on power management devices.
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allow local_login_t power_device_t:chr_file { getattr setattr };
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#if (use_nfs_home_dirs) {
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#r_dir_file(local_login_t, nfs_t)
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#}
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#if (use_samba_home_dirs) {
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#r_dir_file(local_login_t, cifs_t)
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#}
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') dnl endif TODO
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#################################
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#
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# Sulogin local policy
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#
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allow sulogin_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem dyntransition };
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allow sulogin_t self:fd use;
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allow sulogin_t self:fifo_file { read getattr lock ioctl write append };
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allow sulogin_t self:unix_dgram_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown };
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allow sulogin_t self:unix_stream_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown listen accept };
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allow sulogin_t self:unix_dgram_socket sendto;
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allow sulogin_t self:unix_stream_socket connectto;
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allow sulogin_t self:shm { associate getattr setattr create destroy read write lock unix_read unix_write };
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allow sulogin_t self:sem { associate getattr setattr create destroy read write unix_read unix_write };
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allow sulogin_t self:msgq { associate getattr setattr create destroy read write enqueue unix_read unix_write };
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allow sulogin_t self:msg { send receive };
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kernel_read_system_state(sulogin_t)
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init_script_get_process_group(sulogin_t)
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files_read_general_system_config(sulogin_t)
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libraries_use_dynamic_loader(sulogin_t)
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libraries_read_shared_libraries(sulogin_t)
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logging_send_system_log_message(sulogin_t)
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selinux_read_config(sulogin_t)
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selinux_read_default_contexts(sulogin_t)
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authlogin_read_shadow_passwords(sulogin_t)
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# suse and debian do not use pam with sulogin...
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ifdef(`monolithic_policy',`
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ifdef(`distro_suse', `define(`sulogin_no_pam')')
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ifdef(`distro_debian', `define(`sulogin_no_pam')')
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') dnl end monolithic_policy
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tunable_policy(`sulogin_no_pam', `
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allow sulogin_t self:capability sys_tty_config;
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init_get_process_group(sulogin_t)
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#domain_auto_trans(sulogin_t, shell_exec_t, sysadm_t)
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', `
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allow sulogin_t self:process setexec;
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kernel_get_selinuxfs_mount_point(sulogin_t)
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kernel_validate_selinux_context(sulogin_t)
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kernel_compute_selinux_av(sulogin_t)
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kernel_compute_create(sulogin_t)
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kernel_compute_relabel(sulogin_t)
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kernel_compute_reachable_user_contexts(sulogin_t)
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#domain_trans(sulogin_t, shell_exec_t, sysadm_t)
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')
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ifdef(`TODO',`
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allow sulogin_t unpriv_userdomain:fd use;
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can_ypbind(sulogin_t)
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ifdef(`automount.te', `
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allow sulogin_t autofs_t:dir { search getattr };
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')
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allow sulogin_t sysadm_devpts_t:chr_file { getattr ioctl read write };
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allow sulogin_t { staff_home_dir_t sysadm_home_dir_t }:dir search;
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# because file systems are not mounted
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dontaudit sulogin_t file_t:dir search;
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') dnl endif TODO
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