468 lines
13 KiB
Plaintext
468 lines
13 KiB
Plaintext
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policy_module(selinux,1.0)
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########################################
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#
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# Declarations
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#
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attribute can_write_binary_policy;
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attribute can_relabelto_binary_policy;
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type checkpolicy_t, can_write_binary_policy;
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domain_type(checkpolicy_t)
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role system_r types checkpolicy_t;
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type checkpolicy_exec_t;
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domain_entry_file(checkpolicy_t,checkpolicy_exec_t)
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#
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# default_context_t is the type applied to
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# /etc/selinux/*/contexts/*
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#
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type default_context_t;
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files_file_type(default_context_t)
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#
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# file_context_t is the type applied to
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# /etc/selinux/*/contexts/files
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#
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type file_context_t;
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files_file_type(file_context_t)
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type load_policy_t;
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domain_type(load_policy_t)
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role system_r types load_policy_t;
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type load_policy_exec_t;
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domain_entry_file(load_policy_t,load_policy_exec_t)
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type newrole_t; # nscd_client_domain, mlsfileread, mlsfilewrite, mlsfileupgrade, mlsfiledowngrade, mlsprocsetsl;
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kernel_role_change_exempt(newrole_t)
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kernel_obj_id_change_exempt(newrole_t)
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domain_type(newrole_t)
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domain_wide_inherit_fd(newrole_t)
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type newrole_exec_t;
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domain_entry_file(newrole_t,newrole_exec_t)
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#
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# policy_config_t is the type of /etc/security/selinux/*
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# the security server policy configuration.
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#
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type policy_config_t;
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files_file_type(policy_config_t)
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neverallow ~can_relabelto_binary_policy policy_config_t:file relabelto;
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neverallow ~can_write_binary_policy policy_config_t:file { write append };
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#
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# policy_src_t is the type of the policy source
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# files.
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#
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type policy_src_t;
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files_file_type(policy_src_t)
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type restorecon_t, can_relabelto_binary_policy;
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type restorecon_exec_t;
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kernel_obj_id_change_exempt(restorecon_t)
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init_system_domain(restorecon_t,restorecon_exec_t)
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role system_r types restorecon_t;
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type run_init_t;
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domain_type(run_init_t)
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type run_init_exec_t;
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domain_entry_file(run_init_t,run_init_exec_t)
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#
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# selinux_config_t is the type applied to
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# /etc/selinux/config
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#
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type selinux_config_t;
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files_file_type(selinux_config_t)
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type setfiles_t, can_relabelto_binary_policy;
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kernel_obj_id_change_exempt(setfiles_t)
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domain_type(setfiles_t)
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role system_r types setfiles_t;
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type setfiles_exec_t;
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domain_entry_file(setfiles_t,setfiles_exec_t)
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########################################
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#
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# Checkpolicy local policy
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#
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allow checkpolicy_t self:capability dac_override;
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# able to create and modify binary policy files
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allow checkpolicy_t policy_config_t:dir rw_dir_perms;
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allow checkpolicy_t policy_config_t:file create_file_perms;
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# allow test policies to be created in src directories
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allow checkpolicy_t policy_src_t:dir rw_dir_perms;
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type_transition checkpolicy_t policy_src_t:file policy_config_t;
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# only allow read of policy source files
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allow checkpolicy_t policy_src_t:dir r_dir_perms;
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allow checkpolicy_t policy_src_t:file r_file_perms;
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allow checkpolicy_t policy_src_t:lnk_file r_file_perms;
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allow checkpolicy_t selinux_config_t:dir search;
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fs_getattr_xattr_fs(checkpolicy_t)
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term_use_console(checkpolicy_t)
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domain_use_wide_inherit_fd(checkpolicy_t)
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# directory search permissions for path to source and binary policy files
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files_search_etc(checkpolicy_t)
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init_use_fd(checkpolicy_t)
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init_use_script_pty(checkpolicy_t)
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libs_use_ld_so(checkpolicy_t)
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libs_use_shared_libs(checkpolicy_t)
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userdom_use_all_user_fd(checkpolicy_t)
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ifdef(`TODO',`
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# Read the devpts root directory.
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ifdef(`sshd.te',`allow checkpolicy_t sshd_devpts_t:dir r_dir_perms;')
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') dnl endif TODO
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########################################
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#
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# Load_policy local policy
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#
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allow load_policy_t self:capability dac_override;
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# only allow read of policy config files
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allow load_policy_t policy_src_t:dir search;
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allow load_policy_t policy_config_t:dir r_dir_perms;
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allow load_policy_t policy_config_t:notdevfile_class_set r_file_perms;
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allow load_policy_t selinux_config_t:dir r_dir_perms;
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allow load_policy_t selinux_config_t:file r_file_perms;
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allow load_policy_t selinux_config_t:lnk_file r_file_perms;
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kernel_get_selinuxfs_mount_point(load_policy_t)
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kernel_load_policy(load_policy_t)
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kernel_set_boolean(load_policy_t)
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fs_getattr_xattr_fs(load_policy_t)
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term_use_console(load_policy_t)
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term_list_ptys(load_policy_t)
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init_use_script_fd(load_policy_t)
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init_use_script_pty(load_policy_t)
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domain_use_wide_inherit_fd(load_policy_t)
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files_search_etc(load_policy_t)
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libs_use_ld_so(load_policy_t)
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libs_use_shared_libs(load_policy_t)
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miscfiles_read_localization(load_policy_t)
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userdom_use_all_user_fd(load_policy_t)
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########################################
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#
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# Newrole local policy
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#
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allow newrole_t self:capability { setuid setgid net_bind_service dac_override };
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allow newrole_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem dyntransition };
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allow newrole_t self:process setexec;
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allow newrole_t self:fd use;
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allow newrole_t self:fifo_file rw_file_perms;
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allow newrole_t self:unix_dgram_socket sendto;
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allow newrole_t self:unix_stream_socket connectto;
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allow newrole_t self:shm create_shm_perms;
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allow newrole_t self:sem create_sem_perms;
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allow newrole_t self:msgq create_msgq_perms;
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allow newrole_t self:msg { send receive };
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allow newrole_t { selinux_config_t default_context_t }:dir r_dir_perms;
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allow newrole_t { selinux_config_t default_context_t }:file r_file_perms;
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allow newrole_t { selinux_config_t default_context_t }:lnk_file r_file_perms;
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kernel_read_system_state(newrole_t)
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kernel_read_kernel_sysctl(newrole_t)
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kernel_get_selinuxfs_mount_point(newrole_t)
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kernel_validate_context(newrole_t)
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kernel_compute_access_vector(newrole_t)
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kernel_compute_create_context(newrole_t)
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kernel_compute_relabel_context(newrole_t)
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kernel_compute_reachable_user_contexts(newrole_t)
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dev_read_urand(newrole_t)
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fs_getattr_xattr_fs(newrole_t)
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term_use_all_user_ttys(newrole_t)
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term_use_all_user_ptys(newrole_t)
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auth_domtrans_chk_passwd(newrole_t)
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domain_use_wide_inherit_fd(newrole_t)
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# Write to utmp.
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init_rw_script_pid(newrole_t)
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files_read_generic_etc_files(newrole_t)
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libs_use_ld_so(newrole_t)
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libs_use_shared_libs(newrole_t)
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logging_send_syslog_msg(newrole_t)
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miscfiles_read_localization(newrole_t)
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userdom_use_unpriv_users_fd(newrole_t)
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ifdef(`TODO',`
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can_ypbind(newrole)
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ifdef(`automount.te', `
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allow newrole_t autofs_t:dir { search getattr };
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')
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# for when the user types "exec newrole" at the command line
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allow newrole_t privfd:process sigchld;
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# Execute /sbin/pwdb_chkpwd to check the password.
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allow newrole_t sbin_t:dir r_dir_perms;
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# Execute shells
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allow newrole_t bin_t:dir r_dir_perms;
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allow newrole_t bin_t:lnk_file read;
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# Allow newrole_t to transition to user domains.
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bool secure_mode false;
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domain_trans(newrole_t, shell_exec_t, unpriv_userdomain)
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if(!secure_mode)
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{
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# if we are not in secure mode then we can transition to sysadm_t
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domain_trans(newrole_t, shell_exec_t, sysadm_t)
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}
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# Read /var.
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allow newrole_t var_t:dir r_dir_perms;
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allow newrole_t var_t:notdevfile_class_set r_file_perms;
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# Relabel terminals.
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allow newrole_t { ttyfile ptyfile }:chr_file { relabelfrom relabelto };
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ifdef(`gnome-pty-helper.te', `allow newrole_t gphdomain:fd use;')
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# for some PAM modules and for cwd
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dontaudit newrole_t { home_root_t home_type }:dir search;
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') dnl ifdef TODO
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########################################
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#
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# Restorecon local policy
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#
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allow restorecon_t self:capability { dac_override dac_read_search fowner };
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allow restorecon_t { policy_src_t policy_config_t file_context_t selinux_config_t default_context_t }:dir r_dir_perms;
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allow restorecon_t { policy_src_t policy_config_t file_context_t selinux_config_t default_context_t }:file r_file_perms;
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allow restorecon_t { policy_src_t policy_config_t file_context_t selinux_config_t default_context_t }:lnk_file r_file_perms;
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kernel_use_fd(restorecon_t)
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kernel_read_system_state(restorecon_t)
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kernel_get_selinuxfs_mount_point(restorecon_t)
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kernel_validate_context(restorecon_t)
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kernel_compute_access_vector(restorecon_t)
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kernel_compute_create_context(restorecon_t)
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kernel_compute_relabel_context(restorecon_t)
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kernel_compute_reachable_user_contexts(restorecon_t)
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fs_getattr_xattr_fs(restorecon_t)
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term_use_unallocated_tty(restorecon_t)
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init_use_fd(restorecon_t)
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init_use_script_pty(restorecon_t)
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domain_use_wide_inherit_fd(restorecon_t)
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files_read_etc_runtime_files(restorecon_t)
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files_read_generic_etc_files(restorecon_t)
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libs_use_ld_so(restorecon_t)
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libs_use_shared_libs(restorecon_t)
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logging_send_syslog_msg(restorecon_t)
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userdom_use_all_user_fd(restorecon_t)
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optional_policy(`hotplug.te',`
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hotplug_use_fd(restorecon_t)
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')
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# relabeling rules
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kernel_relabel_unlabeled(restorecon_t)
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dev_relabel_all_dev_nodes(restorecon_t)
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files_relabel_all_files(restorecon_t)
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files_list_all_dirs(restorecon_t)
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# this is to satisfy the assertion:
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auth_relabelto_shadow(restorecon_t)
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ifdef(`distro_redhat', `
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fs_use_tmpfs_character_devices(restorecon_t)
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fs_use_tmpfs_block_devices(restorecon_t)
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fs_relabel_tmpfs_block_devices(restorecon_t)
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fs_relabel_tmpfs_character_devices(restorecon_t)
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')
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ifdef(`TODO',`
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# for upgrading glibc and other shared objects - without this the upgrade
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# scripts will put things in a state such that restorecon can not be run!
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allow restorecon_t lib_t:file { read execute };
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allow restorecon_t fs_type:dir r_dir_perms;
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allow restorecon_t device_t:file { read write };
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allow restorecon_t kernel_t:fifo_file { read write };
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') dnl endif TODO
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#################################
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#
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# Run_init local policy
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#
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kernel_get_selinuxfs_mount_point(run_init_t)
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kernel_validate_context(run_init_t)
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kernel_compute_access_vector(run_init_t)
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kernel_compute_create_context(run_init_t)
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kernel_compute_relabel_context(run_init_t)
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kernel_compute_reachable_user_contexts(run_init_t)
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ifdef(`targeted_policy',`',`
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allow run_init_t self:process setexec;
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allow run_init_t self:capability setuid;
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allow run_init_t self:fifo_file rw_file_perms;
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# often the administrator runs such programs from a directory that is owned
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# by a different user or has restrictive SE permissions, do not want to audit
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# the failed access to the current directory
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dontaudit run_init_t self:capability { dac_override dac_read_search };
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fs_getattr_xattr_fs(run_init_t)
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dev_dontaudit_list_all_dev_nodes(run_init_t)
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term_dontaudit_list_ptys(run_init_t)
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auth_domtrans_chk_passwd(run_init_t)
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auth_dontaudit_read_shadow(run_init_t)
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corecmd_exec_bin(run_init_t)
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corecmd_exec_shell(run_init_t)
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domain_use_wide_inherit_fd(run_init_t)
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files_read_generic_etc_files(run_init_t)
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files_dontaudit_search_all_dirs(run_init_t)
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init_domtrans_script(run_init_t)
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# for utmp
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init_rw_script_pid(run_init_t)
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libs_use_ld_so(run_init_t)
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libs_use_shared_libs(run_init_t)
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selinux_read_config(run_init_t)
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selinux_read_default_contexts(run_init_t)
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miscfiles_read_localization(run_init_t)
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logging_send_syslog_msg(run_init_t)
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') dnl end ifdef targeted policy
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ifdef(`TODO',`
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ifdef(`distro_gentoo', `
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# Gentoo integrated run_init+open_init_pty-runscript:
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domain_auto_trans(sysadm_t,initrc_exec_t,run_init_t)
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domain_entry_file(run_init_t,initrc_exec_t)
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')
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') dnl end TODO
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########################################
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#
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# Setfiles local policy
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#
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allow setfiles_t self:capability { dac_override dac_read_search fowner };
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allow setfiles_t { policy_src_t policy_config_t file_context_t selinux_config_t default_context_t }:dir r_dir_perms;
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allow setfiles_t { policy_src_t policy_config_t file_context_t selinux_config_t default_context_t }:file r_file_perms;
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allow setfiles_t { policy_src_t policy_config_t file_context_t selinux_config_t default_context_t }:lnk_file r_file_perms;
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kernel_read_system_state(setfiles_t)
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kernel_get_selinuxfs_mount_point(setfiles_t)
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kernel_validate_context(setfiles_t)
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kernel_compute_access_vector(setfiles_t)
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kernel_compute_create_context(setfiles_t)
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kernel_compute_relabel_context(setfiles_t)
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kernel_compute_reachable_user_contexts(setfiles_t)
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fs_getattr_xattr_fs(setfiles_t)
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term_use_all_user_ttys(setfiles_t)
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term_use_all_user_ptys(setfiles_t)
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term_use_unallocated_tty(setfiles_t)
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init_use_fd(setfiles_t)
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init_use_script_fd(setfiles_t)
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init_use_script_pty(setfiles_t)
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domain_use_wide_inherit_fd(setfiles_t)
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libs_use_ld_so(setfiles_t)
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libs_use_shared_libs(setfiles_t)
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files_read_etc_runtime_files(setfiles_t)
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files_read_generic_etc_files(setfiles_t)
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logging_send_syslog_msg(setfiles_t)
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miscfiles_read_localization(setfiles_t)
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userdom_use_all_user_fd(setfiles_t)
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# for config files in a home directory
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userdom_read_all_user_data(setfiles_t)
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# relabeling rules
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kernel_relabel_unlabeled(setfiles_t)
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dev_relabel_all_dev_nodes(setfiles_t)
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files_list_all_dirs(setfiles_t)
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files_relabel_all_files(setfiles_t)
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# this is to satisfy the assertion:
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auth_relabelto_shadow(setfiles_t)
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ifdef(`TODO',`
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# for upgrading glibc and other shared objects - without this the upgrade
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# scripts will put things in a state such that setfiles can not be run!
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allow setfiles_t lib_t:file { read execute };
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allow setfiles_t unlabeled_t:dir read;
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allow setfiles_t fs_type:dir r_dir_perms;
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') dnl endif TODO
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