diff --git a/refpolicy/Changelog b/refpolicy/Changelog index 54a9b76..507d840 100644 --- a/refpolicy/Changelog +++ b/refpolicy/Changelog @@ -14,6 +14,7 @@ ddcprobe fetchmail irc + java lockdev logwatch (Dan Walsh) openct diff --git a/refpolicy/policy/global_tunables b/refpolicy/policy/global_tunables index cfcb4d3..30d0c27 100644 --- a/refpolicy/policy/global_tunables +++ b/refpolicy/policy/global_tunables @@ -35,6 +35,9 @@ gen_tunable(allow_gssd_read_tmp,true) ## used for public file transfer services. gen_tunable(allow_httpd_anon_write,false) +## Allow java executable stack +gen_tunable(allow_java_execstack,false) + ## Allow system to run with kerberos gen_tunable(allow_kerberos,false) diff --git a/refpolicy/policy/modules/apps/java.fc b/refpolicy/policy/modules/apps/java.fc new file mode 100644 index 0000000..8d6f96c --- /dev/null +++ b/refpolicy/policy/modules/apps/java.fc @@ -0,0 +1,4 @@ +# +# /usr +# +/usr(/.*)?/bin/java.* -- gen_context(system_u:object_r:java_exec_t,s0) diff --git a/refpolicy/policy/modules/apps/java.if b/refpolicy/policy/modules/apps/java.if new file mode 100644 index 0000000..147f670 --- /dev/null +++ b/refpolicy/policy/modules/apps/java.if @@ -0,0 +1,178 @@ +## Java virtual machine + +####################################### +## +## The per user domain template for the java module. +## +## +##

+## This template creates a derived domains which are used +## for java plugins that are executed by a browser. +##

+##

+## This template is invoked automatically for each user, and +## generally does not need to be invoked directly +## by policy writers. +##

+##
+## +## The prefix of the user domain (e.g., user +## is the prefix for user_t). +## +## +## The type of the user domain. +## +## +## The role associated with the user domain. +## +# +template(`java_per_userdomain_template',` + gen_require(` + type java_exec_t; + ') + + ######################################## + # + # Declarations + # + + type $1_javaplugin_t; + domain_type($1_javaplugin_t) + role $3 types $1_javaplugin_t; + + type $1_javaplugin_tmp_t; + files_tmp_file($1_javaplugin_tmp_t) + + ######################################## + # + # Local policy + # + + allow $1_javaplugin_t self:process { signal_perms getsched setsched }; + allow $1_javaplugin_t self:fifo_file rw_file_perms; + allow $1_javaplugin_t self:tcp_socket create_socket_perms; + allow $1_javaplugin_t self:udp_socket create_socket_perms; + + allow $1_javaplugin_t $2:unix_stream_socket connectto; + allow $1_javaplugin_t $2:unix_stream_socket { read write }; + userdom_write_user_tmp_sockets($1,$1_javaplugin_t) + + allow $1_javaplugin_t $1_javaplugin_tmp_t:dir create_dir_perms; + allow $1_javaplugin_t $1_javaplugin_tmp_t:file create_file_perms; + files_create_tmp_files($1_javaplugin_t,$1_javaplugin_tmp_t,{ file dir }) + + # cjp: rw_dir_perms here doesnt make sense + allow $1_javaplugin_t $1_home_t:dir rw_dir_perms; + allow $1_javaplugin_t $1_home_t:file rw_file_perms; + allow $1_javaplugin_t $1_home_t:lnk_file { getattr read }; + + can_exec($1_javaplugin_t, java_exec_t) + + # The user role is authorized for this domain. + domain_auto_trans($1_t, java_exec_t, $1_javaplugin_t) + allow $1_javaplugin_t $2:fd use; + # Unrestricted inheritance from the caller. + allow $2 $1_javaplugin_t:process { noatsecure siginh rlimitinh }; + allow $1_javaplugin_t $2:process signull; + + kernel_read_all_sysctl($1_javaplugin_t) + kernel_search_vm_sysctl($1_javaplugin_t) + kernel_read_network_state($1_javaplugin_t) + kernel_read_system_state($1_javaplugin_t) + + # Search bin directory under javaplugin for javaplugin executable + corecmd_search_bin($1_javaplugin_t) + + corenet_non_ipsec_sendrecv($1_javaplugin_t) + corenet_tcp_sendrecv_generic_if($1_javaplugin_t) + corenet_udp_sendrecv_generic_if($1_javaplugin_t) + corenet_raw_sendrecv_generic_if($1_javaplugin_t) + corenet_tcp_sendrecv_all_nodes($1_javaplugin_t) + corenet_udp_sendrecv_all_nodes($1_javaplugin_t) + corenet_raw_sendrecv_all_nodes($1_javaplugin_t) + corenet_tcp_sendrecv_all_ports($1_javaplugin_t) + corenet_udp_sendrecv_all_ports($1_javaplugin_t) + corenet_tcp_bind_all_nodes($1_javaplugin_t) + corenet_udp_bind_all_nodes($1_javaplugin_t) + corenet_tcp_connect_all_ports($1_javaplugin_t) + + dev_read_snd_dev($1_javaplugin_t) + dev_write_snd_dev($1_javaplugin_t) + dev_read_urand($1_javaplugin_t) + dev_read_rand($1_javaplugin_t) + + files_read_etc_files($1_javaplugin_t) + files_read_usr_files($1_javaplugin_t) + files_search_home($1_javaplugin_t) + files_search_var_lib($1_javaplugin_t) + files_read_etc_runtime_files($1_javaplugin_t) + # Read global fonts and font config + files_read_etc_files($1_javaplugin_t) + + fs_getattr_xattr_fs($1_javaplugin_t) + fs_dontaudit_rw_tmpfs_files($1_javaplugin_t) + + libs_use_ld_so($1_javaplugin_t) + libs_use_shared_libs($1_javaplugin_t) + + logging_send_syslog_msg($1_javaplugin_t) + + miscfiles_read_localization($1_javaplugin_t) + # Read global fonts and font config + miscfiles_read_fonts($1_javaplugin_t) + + sysnet_read_config($1_javaplugin_t) + + userdom_dontaudit_use_user_terminals($1,$1_javaplugin_t) + userdom_dontauit_setattr_user_home_files($1,$1_javaplugin_t) + userdom_dontauit_exec_user_home_files($1,$1_javaplugin_t) + userdom_create_user_home($1,$1_javaplugin_t,{ file lnk_file sock_file fifo_file },$1_home_t) + userdom_manage_user_home_subdirs($1,$1_javaplugin_t) + userdom_manage_user_home_subdir_files($1,$1_javaplugin_t) + userdom_manage_user_home_subdir_symlinks($1,$1_javaplugin_t) + userdom_manage_user_home_subdir_pipes($1,$1_javaplugin_t) + userdom_manage_user_home_subdir_sockets($1,$1_javaplugin_t) + + # libdeploy.so legacy + tunable_policy(`allow_execmem',` + allow $1_javaplugin_t self:process execmem; + ') + + tunable_policy(`allow_java_execstack',` + allow $1_javaplugin_t self:process { execmem execstack }; + + allow $1_javaplugin_t $1_javaplugin_tmp_t:file execute; + + libs_legacy_use_shared_libs($1_javaplugin_t) + libs_legacy_use_ld_so($1_javaplugin_t) + libs_use_lib($1_javaplugin_t) + + miscfiles_legacy_read_localization($1_javaplugin_t) + ') + + optional_policy(`nis',` + nis_use_ypbind($1_javaplugin_t) + ') + + optional_policy(`nscd',` + nscd_use_socket($1_javaplugin_t) + ') + + ifdef(`TODO',` + # Manipulate the global font cache + create_dir_file($1, $2_fonts_cache_t) + + # Read per user fonts and font config + r_dir_file($1, $2_fonts_t) + r_dir_file($1, $2_fonts_config_t) + + # There are some fonts in .gnome2 + ifdef(`gnome.te', ` + allow $1 $2_gnome_settings_t:dir { getattr search }; + ') + + allow $1_javaplugin_t $1_xauth_home_t:file { getattr read }; + # Connect to X server + x_client_domain($1_javaplugin, $2) + ') dnl end TODO +') diff --git a/refpolicy/policy/modules/apps/java.te b/refpolicy/policy/modules/apps/java.te new file mode 100644 index 0000000..d7ffdc2 --- /dev/null +++ b/refpolicy/policy/modules/apps/java.te @@ -0,0 +1,10 @@ + +policy_module(java,1.0.0) + +######################################## +# +# Declarations +# + +type java_exec_t; +files_type(java_exec_t) diff --git a/refpolicy/policy/modules/kernel/filesystem.if b/refpolicy/policy/modules/kernel/filesystem.if index 58b8e0a..8cbf09e 100644 --- a/refpolicy/policy/modules/kernel/filesystem.if +++ b/refpolicy/policy/modules/kernel/filesystem.if @@ -2114,6 +2114,23 @@ interface(`fs_create_tmpfs_data',` ######################################## ## +## Do not audit attempts to read or write +## generic tmpfs files. +## +## +## Domain to not audit. +## +# +interface(`fs_dontaudit_rw_tmpfs_files',` + gen_require(` + type tmp_t; + ') + + dontaudit $1 tmpfs_t:file { read write }; +') + +######################################## +## ## Create, read, write, and delete ## auto moutpoints. ## diff --git a/refpolicy/policy/modules/system/userdomain.if b/refpolicy/policy/modules/system/userdomain.if index 5e8392f..ceab981 100644 --- a/refpolicy/policy/modules/system/userdomain.if +++ b/refpolicy/policy/modules/system/userdomain.if @@ -1159,6 +1159,37 @@ template(`userdom_manage_user_home_subdirs',` ######################################## ## +## Do not audit attempts to set the +## attributes of user home files. +## +## +##

+## Do not audit attempts to set the +## attributes of user home files. +##

+##

+## This is a templated interface, and should only +## be called from a per-userdomain template. +##

+##
+## +## The prefix of the user domain (e.g., user +## is the prefix for user_t). +## +## +## Domain allowed access. +## +# +template(`userdom_dontauit_setattr_user_home_files',` + gen_require(` + type $1_home_dir_t, $1_home_t; + ') + + dontaudit $2 $1_home_t:file setattr; +') + +######################################## +## ## Read user home files. ## ## @@ -1191,6 +1222,35 @@ template(`userdom_read_user_home_files',` ######################################## ## +## Do not audit attempts to execute user home files. +## +## +##

+## Do not audit attempts to execute user home files. +##

+##

+## This is a templated interface, and should only +## be called from a per-userdomain template. +##

+##
+## +## The prefix of the user domain (e.g., user +## is the prefix for user_t). +## +## +## Domain allowed access. +## +# +template(`userdom_dontauit_exec_user_home_files',` + gen_require(` + type $1_home_t; + ') + + dontaudit $2 $1_home_t:file execute; +') + +######################################## +## ## Execute user home files. ## ## @@ -1414,6 +1474,36 @@ template(`userdom_create_user_home',` ######################################## ## +## Write to user temporary named sockets. +## +## +##

+## Write to user temporary named sockets. +##

+##

+## This is a templated interface, and should only +## be called from a per-userdomain template. +##

+##
+## +## The prefix of the user domain (e.g., user +## is the prefix for user_t). +## +## +## Domain allowed access. +## +# +template(`userdom_write_user_tmp_sockets',` + gen_require(` + type $1_tmp_t; + ') + + files_search_tmp($2) + allow $2 $1_tmp_t:sock_file write; +') + +######################################## +## ## Create, read, write, and delete user ## temporary directories. ## @@ -1614,6 +1704,38 @@ template(`userdom_use_user_terminals',` ######################################## ## +## Do not audit attempts to read and write +## a user domain tty and pty. +## +## +##

+## Do not audit attempts to read and write +## a user domain tty and pty. +##

+##

+## This is a templated interface, and should only +## be called from a per-userdomain template. +##

+##
+## +## The prefix of the user domain (e.g., user +## is the prefix for user_t). +## +## +## Domain allowed access. +## +# +template(`userdom_dontaudit_use_user_terminals',` + gen_require(` + type $1_tty_device_t, $1_devpts_t; + ') + + dontaudit $2 $1_tty_device_t:chr_file rw_term_perms; + dontaudit $2 $1_devpts_t:chr_file rw_term_perms; +') + +######################################## +## ## Execute a shell in all user domains. This ## is an explicit transition, requiring the ## caller to use setexeccon().