275 lines
8.2 KiB
Plaintext
275 lines
8.2 KiB
Plaintext
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policy_module(ipsec,1.0)
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########################################
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#
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# Declarations
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#
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type ipsec_t;
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type ipsec_exec_t;
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init_daemon_domain(ipsec_t,ipsec_exec_t)
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role system_r types ipsec_t;
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# type for ipsec configuration file(s) - not for keys
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type ipsec_conf_file_t;
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# type for file(s) containing ipsec keys - RSA or preshared
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type ipsec_key_file_t;
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# type for runtime files, including pluto.ctl
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type ipsec_var_run_t;
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files_pid_file(ipsec_var_run_t)
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type ipsec_mgmt_t; #, privlog, admin, privmodule, nscd_client_domain;
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type ipsec_mgmt_exec_t;
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init_system_domain(ipsec_mgmt_t,ipsec_mgmt_exec_t)
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role system_r types ipsec_mgmt_t;
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type ipsec_mgmt_var_run_t;
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files_pid_file(ipsec_mgmt_var_run_t)
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########################################
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#
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# ipsec Local policy
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#
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allow ipsec_t self:capability { net_admin dac_override dac_read_search };
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dontaudit ipsec_t self:capability sys_tty_config;
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allow ipsec_t self:process signal;
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allow ipsec_t self:key_socket { create write read setopt };
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allow ipsec_t self:fifo_file { read getattr };
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allow ipsec_t ipsec_conf_file_t:dir r_dir_perms;
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allow ipsec_t ipsec_conf_file_t:file r_file_perms;
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allow ipsec_t ipsec_conf_file_t:lnk_file r_file_perms;
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allow ipsec_t ipsec_key_file_t:dir r_dir_perms;
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allow ipsec_t ipsec_key_file_t:file r_file_perms;
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allow ipsec_t ipsec_key_file_t:lnk_file r_file_perms;
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allow ipsec_t ipsec_var_run_t:file create_file_perms;
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allow ipsec_t ipsec_var_run_t:sock_file create_file_perms;
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files_create_pid(ipsec_t,ipsec_var_run_t,{ file sock_file })
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can_exec(ipsec_t, ipsec_mgmt_exec_t)
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# pluto runs an updown script (by calling popen()!); as this is by default
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# a shell script, we need to find a way to make things work without
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# letting all sorts of stuff possibly be run...
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# so try flipping back into the ipsec_mgmt_t domain
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corecmd_shell_domtrans(ipsec_t,ipsec_mgmt_t)
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allow ipsec_t ipsec_mgmt_t:fd use;
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allow ipsec_mgmt_t ipsec_t:fd use;
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allow ipsec_mgmt_t ipsec_t:fifo_file rw_file_perms;
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allow ipsec_mgmt_t ipsec_t:process sigchld;
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kernel_read_kernel_sysctl(ipsec_t)
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kernel_list_proc(ipsec_t)
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kernel_read_proc_symlinks(ipsec_t)
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# allow pluto to access /proc/net/ipsec_eroute;
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kernel_read_system_state(ipsec_t)
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kernel_read_network_state(ipsec_t)
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kernel_read_software_raid_state(ipsec_t)
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kernel_getattr_core(ipsec_t)
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kernel_getattr_message_if(ipsec_t)
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corenet_udp_bind_reserved_port(ipsec_t)
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dev_read_sysfs(ipsec_t)
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dev_read_rand(ipsec_t)
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dev_read_urand(ipsec_t)
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fs_getattr_all_fs(ipsec_t)
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fs_search_auto_mountpoints(ipsec_t)
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term_use_console(ipsec_t)
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corecmd_exec_shell(ipsec_t)
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corecmd_exec_bin(ipsec_t)
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domain_use_wide_inherit_fd(ipsec_t)
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files_read_etc_files(ipsec_t)
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init_use_fd(ipsec_t)
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init_use_script_pty(ipsec_t)
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libs_use_ld_so(ipsec_t)
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libs_use_shared_libs(ipsec_t)
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logging_send_syslog_msg(ipsec_t)
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miscfiles_read_localization(ipsec_t)
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userdom_dontaudit_use_unpriv_user_fd(ipsec_t)
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userdom_dontaudit_search_sysadm_home_dir(ipsec_t)
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ifdef(`targeted_policy', `
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term_dontaudit_use_unallocated_tty(ipsec_t)
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term_dontaudit_use_generic_pty(ipsec_t)
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files_dontaudit_read_root_file(ipsec_t)
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')
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optional_policy(`nis.te',`
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nis_use_ypbind(ipsec_t)
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')
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optional_policy(`rhgb.te',`
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rhgb_domain(ipsec_t)
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')
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optional_policy(`selinuxutils.te',`
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seutil_sigchld_newrole(ipsec_t)
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')
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optional_policy(`udev.te', `
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udev_read_db(ipsec_t)
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')
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ifdef(`TODO',`
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allow ipsec_t etc_t:lnk_file read;
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allow ipsec_t initrc_t:fifo_file write;
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dontaudit ipsec_t ttyfile:chr_file { read write };
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# Pluto needs network access
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can_network_server(ipsec_t)
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') dnl end TODO
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########################################
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#
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# ipsec_mgmt Local policy
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#
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allow ipsec_mgmt_t self:capability { net_admin sys_tty_config dac_override dac_read_search };
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allow ipsec_mgmt_t self:process { signal setrlimit };
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allow ipsec_mgmt_t self:unix_stream_socket create_stream_socket_perms;
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allow ipsec_mgmt_t self:tcp_socket create_socket_perms;
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allow ipsec_mgmt_t self:udp_socket create_socket_perms;
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allow ipsec_mgmt_t self:key_socket { create setopt };
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allow ipsec_mgmt_t self:fifo_file rw_file_perms;
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allow ipsec_mgmt_t ipsec_mgmt_var_run_t:file create_file_perms;
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files_create_pid(ipsec_mgmt_t,ipsec_mgmt_var_run_t)
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allow ipsec_mgmt_t ipsec_var_run_t:dir rw_dir_perms;
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allow ipsec_mgmt_t ipsec_var_run_t:file create_file_perms;
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allow ipsec_mgmt_t ipsec_var_run_t:lnk_file create_lnk_perms;
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allow ipsec_mgmt_t ipsec_var_run_t:sock_file create_file_perms;
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files_create_pid(ipsec_mgmt_t,ipsec_var_run_t,sock_file)
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# _realsetup needs to be able to cat /var/run/pluto.pid,
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# run ps on that pid, and delete the file
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allow ipsec_mgmt_t ipsec_t:{ file lnk_file } r_file_perms;
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# logger, running in ipsec_mgmt_t needs to use sockets
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allow ipsec_mgmt_t self:unix_dgram_socket { create connect write };
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allow ipsec_mgmt_t ipsec_t:unix_dgram_socket { create connect write };
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allow ipsec_mgmt_t ipsec_conf_file_t:file { getattr read ioctl };
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allow ipsec_mgmt_t ipsec_key_file_t:dir rw_dir_perms;
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allow ipsec_mgmt_t ipsec_key_file_t:lnk_file create_lnk_perms;
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# cjp: combo of file_type_auto_trans and rw_dir_create_file
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allow ipsec_mgmt_t ipsec_key_file_t:file create_file_perms;
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files_create_etc_config(ipsec_mgmt_t,ipsec_key_file_t)
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# whack needs to connect to pluto
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allow ipsec_mgmt_t ipsec_var_run_t:sock_file { read write };
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allow ipsec_mgmt_t ipsec_t:unix_stream_socket { connectto read write };
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can_exec(ipsec_mgmt_t, ipsec_exec_t)
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can_exec(ipsec_mgmt_t, ipsec_mgmt_exec_t)
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allow ipsec_mgmt_t ipsec_mgmt_exec_t:lnk_file read;
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domain_auto_trans(ipsec_mgmt_t,ipsec_exec_t,ipsec_t)
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allow ipsec_mgmt_t ipsec_t:fd use;
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allow ipsec_t ipsec_mgmt_t:fd use;
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allow ipsec_t ipsec_mgmt_t:fifo_file rw_file_perms;
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allow ipsec_t ipsec_mgmt_t:process sigchld;
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kernel_rw_net_sysctl(ipsec_mgmt_t)
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# allow pluto to access /proc/net/ipsec_eroute;
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kernel_read_system_state(ipsec_mgmt_t)
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kernel_read_network_state(ipsec_mgmt_t)
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kernel_read_software_raid_state(ipsec_mgmt_t)
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kernel_read_kernel_sysctl(ipsec_mgmt_t)
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kernel_getattr_core(ipsec_mgmt_t)
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kernel_getattr_message_if(ipsec_mgmt_t)
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bootloader_read_kernel_symbol_table(ipsec_mgmt_t)
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bootloader_getattr_kernel_modules(ipsec_mgmt_t)
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dev_read_rand(ipsec_mgmt_t)
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dev_read_urand(ipsec_mgmt_t)
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fs_getattr_xattr_fs(ipsec_mgmt_t)
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term_use_console(ipsec_mgmt_t)
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# the default updown script wants to run route
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corecmd_exec_sbin(ipsec_mgmt_t)
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# the ipsec wrapper wants to run /usr/bin/logger (should we put
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# it in its own domain?)
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corecmd_exec_bin(ipsec_mgmt_t)
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domain_use_wide_inherit_fd(ipsec_mgmt_t)
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files_read_etc_files(ipsec_mgmt_t)
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files_exec_etc_files(ipsec_mgmt_t)
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files_read_etc_runtime_files(ipsec_mgmt_t)
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files_dontaudit_getattr_default_dir(ipsec_mgmt_t)
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files_dontaudit_getattr_default_files(ipsec_mgmt_t)
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# Allow scripts to use /var/locl/subsys/ipsec
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# cjp: need a lock type
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files_manage_generic_locks(ipsec_mgmt_t)
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init_use_script_pty(ipsec_mgmt_t)
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init_exec_script(ipsec_mgmt_t)
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init_use_fd(ipsec_mgmt_t)
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libs_use_ld_so(ipsec_mgmt_t)
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libs_use_shared_libs(ipsec_mgmt_t)
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miscfiles_read_localization(ipsec_mgmt_t)
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seutil_dontaudit_search_config(ipsec_mgmt_t)
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sysnet_domtrans_ifconfig(ipsec_mgmt_t)
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userdom_use_sysadm_terms(ipsec_mgmt_t)
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optional_policy(`consoletype.te',`
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consoletype_exec(ipsec_mgmt_t)
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')
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ifdef(`TODO',`
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# denials when ps tries to search /proc. Do not audit these denials.
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dontaudit ipsec_mgmt_t domain:dir r_dir_perms;
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# suppress audit messages about unnecessary socket access
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dontaudit ipsec_mgmt_t domain:key_socket { read write };
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dontaudit ipsec_mgmt_t domain:udp_socket { read write };
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# allow pluto to search the root directory (not sure why, but mostly harmless)
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# Are these all really necessary?
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dontaudit ipsec_mgmt_t tty_device_t:chr_file getattr;
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# ideally it would not need this. It wants to write to /root/.rnd
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file_type_auto_trans(ipsec_mgmt_t, sysadm_home_dir_t, sysadm_home_t, file)
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allow ipsec_mgmt_t tmpfs_t:dir { getattr read };
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allow ipsec_mgmt_t dev_fs:file_class_set getattr;
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# allow system administrator to use the ipsec script to look
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# at things (e.g., ipsec auto --status)
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# probably should create an ipsec_admin role for this kind of thing
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can_exec(sysadm_t, ipsec_mgmt_exec_t)
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allow sysadm_t ipsec_t:unix_stream_socket connectto;
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# for lsof
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allow sysadm_t ipsec_t:key_socket getattr;
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rw_dir_create_file(initrc_t, ipsec_var_run_t)
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allow initrc_t ipsec_conf_file_t:file { getattr read ioctl };
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') dnl end TODO
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