537 lines
14 KiB
Plaintext
537 lines
14 KiB
Plaintext
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policy_module(selinuxutil,1.1.5)
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gen_require(`
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bool secure_mode;
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')
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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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#
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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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# cjp: this is out of order due to rules
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# in the domain_type interface
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# (fix dup decl)
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type selinux_config_t;
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files_type(selinux_config_t)
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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_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_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;
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domain_role_change_exemption(newrole_t)
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domain_obj_id_change_exemption(newrole_t)
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domain_type(newrole_t)
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domain_interactive_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_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_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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domain_obj_id_change_exemption(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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type run_init_exec_t;
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domain_type(run_init_t)
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domain_entry_file(run_init_t,run_init_exec_t)
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domain_system_change_exemption(run_init_t)
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type setfiles_t, can_relabelto_binary_policy;
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domain_obj_id_change_exemption(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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ifdef(`distro_redhat',`
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init_system_domain(setfiles_t,setfiles_exec_t)
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')
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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_interactive_fds(checkpolicy_t)
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files_list_usr(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_ptys(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_users_fds(checkpolicy_t)
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ifdef(`targeted_policy',`
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term_use_generic_ptys(checkpolicy_t)
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term_use_unallocated_ttys(checkpolicy_t)
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')
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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:file r_file_perms;
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allow load_policy_t policy_config_t:lnk_file 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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fs_getattr_xattr_fs(load_policy_t)
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selinux_get_fs_mount(load_policy_t)
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selinux_load_policy(load_policy_t)
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selinux_set_boolean(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_fds(load_policy_t)
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init_use_script_ptys(load_policy_t)
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domain_use_interactive_fds(load_policy_t)
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# for mcs.conf
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files_read_etc_files(load_policy_t)
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files_read_etc_runtime_files(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_users_fds(load_policy_t)
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ifdef(`hide_broken_symptoms',`
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# cjp: cover up stray file descriptors.
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dontaudit load_policy_t selinux_config_t:file write;
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optional_policy(`unconfined',`
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unconfined_dontaudit_read_pipes(load_policy_t)
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')
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')
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ifdef(`targeted_policy',`
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term_use_unallocated_ttys(load_policy_t)
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term_use_generic_ptys(load_policy_t)
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')
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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 { fowner setuid setgid dac_override };
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allow newrole_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem execheap execstack };
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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:sock_file r_file_perms;
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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 self:unix_dgram_socket sendto;
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allow newrole_t self:unix_stream_socket { create_stream_socket_perms connectto };
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allow newrole_t self:netlink_audit_socket { create_netlink_socket_perms nlmsg_relay };
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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_sysctls(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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fs_search_auto_mountpoints(newrole_t)
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mls_file_read_up(newrole_t)
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mls_file_write_down(newrole_t)
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mls_file_upgrade(newrole_t)
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mls_file_downgrade(newrole_t)
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mls_process_set_level(newrole_t)
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selinux_get_fs_mount(newrole_t)
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selinux_validate_context(newrole_t)
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selinux_compute_access_vector(newrole_t)
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selinux_compute_create_context(newrole_t)
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selinux_compute_relabel_context(newrole_t)
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selinux_compute_user_contexts(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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term_relabel_all_user_ttys(newrole_t)
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term_relabel_all_user_ptys(newrole_t)
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term_dontaudit_use_unallocated_ttys(newrole_t)
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auth_domtrans_chk_passwd(newrole_t)
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corecmd_list_bin(newrole_t)
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corecmd_read_bin_symlinks(newrole_t)
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domain_use_interactive_fds(newrole_t)
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# for when the user types "exec newrole" at the command line:
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domain_sigchld_interactive_fds(newrole_t)
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# Write to utmp.
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init_rw_utmp(newrole_t)
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files_read_etc_files(newrole_t)
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files_read_var_files(newrole_t)
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files_read_var_symlinks(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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# for some PAM modules and for cwd
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userdom_dontaudit_search_all_users_home(newrole_t)
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ifdef(`targeted_policy',`
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# newrole does not make any sense in
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# the targeted policy. This is to
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# make sediff easier.
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if(!secure_mode) {
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unconfined_domtrans(newrole_t)
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}
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',`
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# if secure mode is enabled, then newrole
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# can only transition to unprivileged users
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if(secure_mode) {
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userdom_spec_domtrans_unpriv_users(newrole_t)
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} else {
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userdom_spec_domtrans_all_users(newrole_t)
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}
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')
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optional_policy(`nis',`
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nis_use_ypbind(newrole_t)
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')
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optional_policy(`nscd',`
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nscd_socket_use(newrole_t)
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')
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ifdef(`TODO',`
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ifdef(`gnome-pty-helper.te', `allow newrole_t gphdomain:fd use;')
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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 self:fifo_file rw_file_perms;
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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_rw_pipes(restorecon_t)
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kernel_read_system_state(restorecon_t)
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kernel_relabelfrom_unlabeled_dirs(restorecon_t)
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kernel_relabelfrom_unlabeled_files(restorecon_t)
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kernel_relabelfrom_unlabeled_symlinks(restorecon_t)
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kernel_relabelfrom_unlabeled_pipes(restorecon_t)
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kernel_relabelfrom_unlabeled_sockets(restorecon_t)
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dev_relabel_all_dev_nodes(restorecon_t)
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# cjp: why is this needed?
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dev_rw_generic_files(restorecon_t)
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fs_getattr_xattr_fs(restorecon_t)
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fs_search_auto_mountpoints(restorecon_t)
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mls_file_read_up(restorecon_t)
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mls_file_write_down(restorecon_t)
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mls_file_upgrade(restorecon_t)
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mls_file_downgrade(restorecon_t)
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selinux_get_fs_mount(restorecon_t)
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selinux_validate_context(restorecon_t)
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selinux_compute_access_vector(restorecon_t)
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selinux_compute_create_context(restorecon_t)
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selinux_compute_relabel_context(restorecon_t)
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selinux_compute_user_contexts(restorecon_t)
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term_use_unallocated_ttys(restorecon_t)
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term_use_all_user_ttys(restorecon_t)
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term_use_all_user_ptys(restorecon_t)
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init_use_fd(restorecon_t)
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init_use_script_ptys(restorecon_t)
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domain_use_interactive_fds(restorecon_t)
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domain_dontaudit_search_all_domains_state(restorecon_t)
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files_read_etc_runtime_files(restorecon_t)
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files_read_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_users_fds(restorecon_t)
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files_relabel_all_files(restorecon_t)
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files_list_all(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_rw_tmpfs_chr_files(restorecon_t)
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fs_rw_tmpfs_blk_files(restorecon_t)
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fs_relabel_tmpfs_blk_file(restorecon_t)
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fs_relabel_tmpfs_chr_file(restorecon_t)
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')
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ifdef(`hide_broken_symptoms',`
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udev_dontaudit_rw_dgram_sockets(restorecon_t)
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')
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optional_policy(`hotplug',`
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hotplug_use_fd(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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ifdef(`dpkg.te', `
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domain_auto_trans(dpkg_t, restorecon_exec_t, restorecon_t)
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')
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') dnl endif TODO
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allow restorecon_t kernel_t:unix_dgram_socket { read write };
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#################################
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#
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# Run_init local policy
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#
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selinux_get_fs_mount(run_init_t)
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selinux_validate_context(run_init_t)
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selinux_compute_access_vector(run_init_t)
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selinux_compute_create_context(run_init_t)
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selinux_compute_relabel_context(run_init_t)
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selinux_compute_user_contexts(run_init_t)
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ifdef(`direct_sysadm_daemon',`',`
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ifdef(`distro_gentoo',`
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# Gentoo integrated run_init:
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init_script_file_entry_type(run_init_t)
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')
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')
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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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allow run_init_t self:netlink_audit_socket { create_netlink_socket_perms nlmsg_relay };
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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_interactive_fds(run_init_t)
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files_read_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_utmp(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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seutil_read_config(run_init_t)
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seutil_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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optional_policy(`daemontools',`
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daemontools_domtrans_start(run_init_t)
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')
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') dnl end ifdef targeted policy
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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 self:fifo_file rw_file_perms;
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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_relabelfrom_unlabeled_dirs(setfiles_t)
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kernel_relabelfrom_unlabeled_files(setfiles_t)
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kernel_relabelfrom_unlabeled_symlinks(setfiles_t)
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kernel_relabelfrom_unlabeled_pipes(setfiles_t)
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|
kernel_relabelfrom_unlabeled_sockets(setfiles_t)
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dev_relabel_all_dev_nodes(setfiles_t)
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fs_getattr_xattr_fs(setfiles_t)
|
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fs_list_all(setfiles_t)
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mls_file_read_up(setfiles_t)
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mls_file_write_down(setfiles_t)
|
|
mls_file_upgrade(setfiles_t)
|
|
mls_file_downgrade(setfiles_t)
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selinux_get_fs_mount(setfiles_t)
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selinux_validate_context(setfiles_t)
|
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selinux_compute_access_vector(setfiles_t)
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|
selinux_compute_create_context(setfiles_t)
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|
selinux_compute_relabel_context(setfiles_t)
|
|
selinux_compute_user_contexts(setfiles_t)
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term_use_all_user_ttys(setfiles_t)
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term_use_all_user_ptys(setfiles_t)
|
|
term_use_unallocated_ttys(setfiles_t)
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|
|
|
# this is to satisfy the assertion:
|
|
auth_relabelto_shadow(setfiles_t)
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|
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|
init_use_fd(setfiles_t)
|
|
init_use_script_fds(setfiles_t)
|
|
init_use_script_ptys(setfiles_t)
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|
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domain_use_interactive_fds(setfiles_t)
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|
libs_use_ld_so(setfiles_t)
|
|
libs_use_shared_libs(setfiles_t)
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files_read_etc_runtime_files(setfiles_t)
|
|
files_read_etc_files(setfiles_t)
|
|
files_list_all(setfiles_t)
|
|
files_relabel_all_files(setfiles_t)
|
|
|
|
logging_send_syslog_msg(setfiles_t)
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|
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|
miscfiles_read_localization(setfiles_t)
|
|
|
|
userdom_use_all_users_fds(setfiles_t)
|
|
# for config files in a home directory
|
|
userdom_read_all_users_home_files(setfiles_t)
|
|
|
|
ifdef(`TODO',`
|
|
# for upgrading glibc and other shared objects - without this the upgrade
|
|
# scripts will put things in a state such that setfiles can not be run!
|
|
allow setfiles_t lib_t:file { read execute };
|
|
') dnl endif TODO
|