diff --git a/refpolicy/policy/modules/admin/netutils.te b/refpolicy/policy/modules/admin/netutils.te index 060c777..835f332 100644 --- a/refpolicy/policy/modules/admin/netutils.te +++ b/refpolicy/policy/modules/admin/netutils.te @@ -131,8 +131,8 @@ sysnetwork_read_network_config(ping_t) logging_send_system_log_message(ping_t) if (user_ping) { - terminal_use_all_users_physical_terminals(ping_t) - terminal_use_all_users_pseudoterminals(ping_t) + terminal_use_all_private_physical_terminals(ping_t) + terminal_use_all_private_pseudoterminals(ping_t) } ifdef(`TODO',` @@ -194,8 +194,8 @@ devices_get_pseudorandom_data(traceroute_t) files_read_general_application_resources(traceroute_t) if (user_ping) { - terminal_use_all_users_physical_terminals(traceroute_t) - terminal_use_all_users_pseudoterminals(traceroute_t) + terminal_use_all_private_physical_terminals(traceroute_t) + terminal_use_all_private_pseudoterminals(traceroute_t) } ifdef(`TODO',` diff --git a/refpolicy/policy/modules/admin/usermanage.te b/refpolicy/policy/modules/admin/usermanage.te index c3457c4..d36f8a0 100644 --- a/refpolicy/policy/modules/admin/usermanage.te +++ b/refpolicy/policy/modules/admin/usermanage.te @@ -85,8 +85,8 @@ kernel_compute_create(chfn_t) kernel_compute_relabel(chfn_t) kernel_compute_reachable_user_contexts(chfn_t) -terminal_use_all_users_physical_terminals(chfn_t) -terminal_use_all_users_pseudoterminals(chfn_t) +terminal_use_all_private_physical_terminals(chfn_t) +terminal_use_all_private_pseudoterminals(chfn_t) filesystem_get_persistent_filesystem_attributes(chfn_t) @@ -220,8 +220,8 @@ kernel_compute_reachable_user_contexts(groupadd_t) filesystem_get_persistent_filesystem_attributes(groupadd_t) -terminal_use_all_users_physical_terminals(groupadd_t) -terminal_use_all_users_pseudoterminals(groupadd_t) +terminal_use_all_private_physical_terminals(groupadd_t) +terminal_use_all_private_pseudoterminals(groupadd_t) init_use_file_descriptors(groupadd_t) init_script_read_runtime_data(groupadd_t) @@ -298,8 +298,8 @@ devices_get_pseudorandom_data(passwd_t) filesystem_get_persistent_filesystem_attributes(passwd_t) -terminal_use_all_users_physical_terminals(passwd_t) -terminal_use_all_users_pseudoterminals(passwd_t) +terminal_use_all_private_physical_terminals(passwd_t) +terminal_use_all_private_pseudoterminals(passwd_t) # /usr/bin/passwd asks for w access to utmp, but it will operate # correctly without it. Do not audit write denials to utmp. @@ -398,8 +398,8 @@ devices_get_pseudorandom_data(sysadm_passwd_t) filesystem_get_persistent_filesystem_attributes(sysadm_passwd_t) -terminal_use_all_users_physical_terminals(sysadm_passwd_t) -terminal_use_all_users_pseudoterminals(sysadm_passwd_t) +terminal_use_all_private_physical_terminals(sysadm_passwd_t) +terminal_use_all_private_pseudoterminals(sysadm_passwd_t) # /usr/bin/passwd asks for w access to utmp, but it will operate # correctly without it. Do not audit write denials to utmp. @@ -487,8 +487,8 @@ kernel_read_kernel_sysctl(useradd_t) filesystem_get_persistent_filesystem_attributes(useradd_t) -terminal_use_all_users_physical_terminals(useradd_t) -terminal_use_all_users_pseudoterminals(useradd_t) +terminal_use_all_private_physical_terminals(useradd_t) +terminal_use_all_private_pseudoterminals(useradd_t) init_use_file_descriptors(useradd_t) init_script_modify_runtime_data(useradd_t) diff --git a/refpolicy/policy/modules/kernel/bootloader.te b/refpolicy/policy/modules/kernel/bootloader.te index 5decaa8..1ab29ce 100644 --- a/refpolicy/policy/modules/kernel/bootloader.te +++ b/refpolicy/policy/modules/kernel/bootloader.te @@ -109,7 +109,7 @@ devices_raw_read_memory(bootloader_t) filesystem_get_persistent_filesystem_attributes(bootloader_t) -terminal_get_all_users_physical_terminal_attributes(bootloader_t) +terminal_get_all_private_physical_terminal_attributes(bootloader_t) init_get_control_channel_attributes(bootloader_t) init_script_use_pseudoterminal(bootloader_t) diff --git a/refpolicy/policy/modules/kernel/corenetwork.if b/refpolicy/policy/modules/kernel/corenetwork.if index 3e122c9..e839ba2 100644 --- a/refpolicy/policy/modules/kernel/corenetwork.if +++ b/refpolicy/policy/modules/kernel/corenetwork.if @@ -726,6 +726,20 @@ class capability net_bind_service; ####################################### # +# corenetwork_ignore_bind_tcp_on_all_reserved_ports(domain) +# +define(`corenetwork_ignore_bind_tcp_on_all_reserved_ports',` +requires_block_template(`$0'_depend) +dontaudit $1 reserved_port_type:tcp_socket name_bind; +') + +define(`corenetwork_ignore_bind_tcp_on_all_reserved_ports_depend',` +attribute reserved_port_type; +class tcp_socket name_bind; +') + +####################################### +# # corenetwork_bind_udp_on_all_reserved_ports(domain) # define(`corenetwork_bind_udp_on_all_reserved_ports',` diff --git a/refpolicy/policy/modules/kernel/devices.if b/refpolicy/policy/modules/kernel/devices.if index 4947150..ce95b8b 100644 --- a/refpolicy/policy/modules/kernel/devices.if +++ b/refpolicy/policy/modules/kernel/devices.if @@ -578,12 +578,28 @@ class chr_file { getattr read write ioctl }; ######################################## # +# devices_get_direct_rendering_interface_attributes(domain) +# +define(`devices_get_direct_rendering_interface_attributes',` +requires_block_template(`$0'_depend) +allow $1 device_t:dir { getattr read search }; +allow $1 dri_device_t:chr_file getattr; +') + +define(`devices_get_direct_rendering_interface_attributes_depend',` +type device_t, dri_device_t; +class dir { getattr read search }; +class chr_file getattr; +') + +######################################## +# # devices_use_direct_rendering_interface(domain) # define(`devices_use_direct_rendering_interface',` requires_block_template(`$0'_depend) allow $1 device_t:dir { getattr read search }; -allow $1 dri_device_t:chr_file { getattr read ioctl }; +allow $1 dri_device_t:chr_file { getattr read write ioctl }; ') define(`devices_use_direct_rendering_interface_depend',` @@ -594,6 +610,20 @@ class chr_file { getattr read write ioctl }; ######################################## # +# devices_ignore_use_direct_rendering_interface(domain) +# +define(`devices_ignore_use_direct_rendering_interface',` +requires_block_template(`$0'_depend) +dontaudit $1 dri_device_t:chr_file { getattr read write ioctl }; +') + +define(`devices_ignore_use_direct_rendering_interface_depend',` +type dri_device_t; +class chr_file { getattr read write ioctl }; +') + +######################################## +# # devices_read_mtrr(domain) # define(`devices_read_mtrr',` diff --git a/refpolicy/policy/modules/kernel/devices.te b/refpolicy/policy/modules/kernel/devices.te index 4230c93..3fcac88 100644 --- a/refpolicy/policy/modules/kernel/devices.te +++ b/refpolicy/policy/modules/kernel/devices.te @@ -88,6 +88,10 @@ filesystem_tmpfs_associate(memory_device_t) neverallow ~memory_raw_read memory_device_t:{ chr_file blk_file } read; neverallow ~memory_raw_write memory_device_t:{ chr_file blk_file } { append write }; +type misc_device_t, device_node; +filesystem_associate(misc_device_t) +filesystem_tmpfs_associate(misc_device_t) + # # A more general type for mouse devices. # diff --git a/refpolicy/policy/modules/kernel/filesystem.if b/refpolicy/policy/modules/kernel/filesystem.if index 7194d62..64c29cc 100644 --- a/refpolicy/policy/modules/kernel/filesystem.if +++ b/refpolicy/policy/modules/kernel/filesystem.if @@ -247,6 +247,100 @@ class filesystem getattr; ######################################## # +# filesystem_execute_windows_network_files(domain) +# +define(`filesystem_execute_windows_network_files',` +requires_block_template(`$0'_depend) +allow $1 cifs_t:dir { getattr search read }; +allow $1 cifs_t:file { getattr read execute execute_no_trans }; +') + +define(`filesystem_execute_windows_network_files_depend',` +type cifs_t; +class dir { getattr search read }; +class file { getattr read execute execute_no_trans }; +') + +######################################## +# +# filesystem_manage_windows_network_directories(domain) +# +define(`filesystem_manage_windows_network_directories',` +requires_block_template(`$0'_depend) +allow $1 cifs_t:dir { create read getattr lock setattr ioctl link unlink rename search add_name remove_name reparent write rmdir }; +') + +define(`filesystem_manage_windows_network_directories_depend',` +type cifs_t; +class dir { create read getattr lock setattr ioctl link unlink rename search add_name remove_name reparent write rmdir }; +') + +######################################## +# +# filesystem_manage_windows_network_files(domain) +# +define(`filesystem_manage_windows_network_files',` +requires_block_template(`$0'_depend) +allow $1 cifs_t:dir { getattr search read write add_name remove_name }; +allow $1 cifs_t:file { create ioctl read getattr lock write setattr append link unlink rename }; +') + +define(`filesystem_manage_windows_network_files_depend',` +type cifs_t; +class dir { getattr search read write add_name remove_name }; +class file { create ioctl read getattr lock write setattr append link unlink rename }; +') + +######################################## +# +# filesystem_manage_windows_network_symbolic_links(domain) +# +define(`filesystem_manage_windows_network_symbolic_links',` +requires_block_template(`$0'_depend) +allow $1 cifs_t:dir { getattr search read write add_name remove_name }; +allow $1 cifs_t:lnk_file { create ioctl read getattr lock write setattr append link unlink rename }; +') + +define(`filesystem_manage_windows_network_symbolic_links_depend',` +type cifs_t; +class dir { getattr search read write add_name remove_name }; +class lnk_file { create ioctl read getattr lock write setattr append link unlink rename }; +') + +######################################## +# +# filesystem_manage_windows_network_named_pipes(domain) +# +define(`filesystem_manage_windows_network_named_pipes',` +requires_block_template(`$0'_depend) +allow $1 cifs_t:dir { getattr search read write add_name remove_name }; +allow $1 cifs_t:fifo_file { create ioctl read getattr lock write setattr append link unlink rename }; +') + +define(`filesystem_manage_windows_network_named_pipes_depend',` +type cifs_t; +class dir { getattr search read write add_name remove_name }; +class fifo_file { create ioctl read getattr lock write setattr append link unlink rename }; +') + +######################################## +# +# filesystem_manage_windows_network_named_sockets(domain) +# +define(`filesystem_manage_windows_network_named_sockets',` +requires_block_template(`$0'_depend) +allow $1 cifs_t:dir { getattr search read write add_name remove_name }; +allow $1 cifs_t:sock_file { create ioctl read getattr lock write setattr append link unlink rename }; +') + +define(`filesystem_manage_windows_network_named_sockets_depend',` +type cifs_t; +class dir { getattr search read write add_name remove_name }; +class sock_file { create ioctl read getattr lock write setattr append link unlink rename }; +') + +######################################## +# # filesystem_mount_dos_filesystem(domain) # define(`filesystem_mount_dos_filesystem',` @@ -415,6 +509,100 @@ class filesystem getattr; ######################################## # +# filesystem_execute_nfs_files(domain) +# +define(`filesystem_execute_nfs_files',` +requires_block_template(`$0'_depend) +allow $1 nfs_t:dir { getattr search read }; +allow $1 nfs_t:file { getattr read execute execute_no_trans }; +') + +define(`filesystem_execute_nfs_files_depend',` +type nfs_t; +class dir { getattr search read }; +class file { getattr read execute execute_no_trans }; +') + +######################################## +# +# filesystem_manage_nfs_directories(domain) +# +define(`filesystem_manage_nfs_directories',` +requires_block_template(`$0'_depend) +allow $1 nfs_t:dir { create read getattr lock setattr ioctl link unlink rename search add_name remove_name reparent write rmdir }; +') + +define(`filesystem_manage_nfs_directories_depend',` +type nfs_t; +class dir { create read getattr lock setattr ioctl link unlink rename search add_name remove_name reparent write rmdir }; +') + +######################################## +# +# filesystem_manage_nfs_files(domain) +# +define(`filesystem_manage_nfs_files',` +requires_block_template(`$0'_depend) +allow $1 nfs_t:dir { getattr search read write add_name remove_name }; +allow $1 nfs_t:file { create ioctl read getattr lock write setattr append link unlink rename }; +') + +define(`filesystem_manage_nfs_files_depend',` +type nfs_t; +class dir { getattr search read write add_name remove_name }; +class file { create ioctl read getattr lock write setattr append link unlink rename }; +') + +######################################## +# +# filesystem_manage_nfs_symbolic_links(domain) +# +define(`filesystem_manage_nfs_symbolic_links',` +requires_block_template(`$0'_depend) +allow $1 nfs_t:dir { getattr search read write add_name remove_name }; +allow $1 nfs_t:lnk_file { create ioctl read getattr lock write setattr append link unlink rename }; +') + +define(`filesystem_manage_nfs_symbolic_links_depend',` +type nfs_t; +class dir { getattr search read write add_name remove_name }; +class lnk_file { create ioctl read getattr lock write setattr append link unlink rename }; +') + +######################################## +# +# filesystem_manage_nfs_named_pipes(domain) +# +define(`filesystem_manage_nfs_named_pipes',` +requires_block_template(`$0'_depend) +allow $1 nfs_t:dir { getattr search read write add_name remove_name }; +allow $1 nfs_t:fifo_file { create ioctl read getattr lock write setattr append link unlink rename }; +') + +define(`filesystem_manage_nfs_named_pipes_depend',` +type nfs_t; +class dir { getattr search read write add_name remove_name }; +class fifo_file { create ioctl read getattr lock write setattr append link unlink rename }; +') + +######################################## +# +# filesystem_manage_nfs_named_sockets(domain) +# +define(`filesystem_manage_nfs_named_sockets',` +requires_block_template(`$0'_depend) +allow $1 nfs_t:dir { getattr search read write add_name remove_name }; +allow $1 nfs_t:sock_file { create ioctl read getattr lock write setattr append link unlink rename }; +') + +define(`filesystem_manage_nfs_named_sockets_depend',` +type nfs_t; +class dir { getattr search read write add_name remove_name }; +class sock_file { create ioctl read getattr lock write setattr append link unlink rename }; +') + +######################################## +# # filesystem_mount_nfsd_filesystem(domain) # define(`filesystem_mount_nfsd_filesystem',` @@ -784,6 +972,20 @@ class filesystem getattr; ######################################## # +# filesystem_get_all_filesystems_quotas(type) +# +define(`filesystem_get_all_filesystems_quotas',` +requires_block_template(`$0'_depend) +allow $1 fs_type:filesystem quotaget; +') + +define(`filesystem_get_all_filesystems_quotas_depend',` +attribute fs_type; +class filesystem quotaget; +') + +######################################## +# # filesystem_get_all_file_attributes(type) # define(`filesystem_get_all_file_attributes',` diff --git a/refpolicy/policy/modules/kernel/kernel.if b/refpolicy/policy/modules/kernel/kernel.if index 9d6420c..79ba5db 100644 --- a/refpolicy/policy/modules/kernel/kernel.if +++ b/refpolicy/policy/modules/kernel/kernel.if @@ -372,6 +372,20 @@ class system syslog_read; ######################################## # +# kernel_ignore_read_ring_buffer(domain) +# +define(`kernel_ignore_read_ring_buffer',` +requires_block_template(`$0'_depend) +dontaudit $1 kernel_t:system syslog_read; +') + +define(`kernel_ignore_read_ring_buffer_depend',` +type kernel_t; +class system syslog_read; +') + +######################################## +# # kernel_change_ring_buffer_level(domain) # define(`kernel_change_ring_buffer_level',` diff --git a/refpolicy/policy/modules/kernel/storage.if b/refpolicy/policy/modules/kernel/storage.if index 1f69d35..8602a8a 100644 --- a/refpolicy/policy/modules/kernel/storage.if +++ b/refpolicy/policy/modules/kernel/storage.if @@ -1,13 +1,93 @@ # Copyright (C) 2005 Tresys Technology, LLC +## +## Policy controlling access to storage devices + +# +## +## +## Allow the caller to get the attributes of fixed disk +## device nodes. +## +## +## The type of the process performing this action. +## +## +## +# +define(`storage_get_fixed_disk_attributes',` +requires_block_template(`$0'_depend) +devices_list_device_nodes($1) +allow $1 fixed_disk_device_t:blk_file getattr; +') + +define(`storage_get_fixed_disk_attributes_depend',` +type fixed_disk_device_t; +class blk_file getattr; +') + +# +## +## +## Do not audit attempts made by the caller to get +## the attributes of fixed disk device nodes. +## +## +## The type of the process to not audit. +## +## +## +# +define(`storage_ignore_get_fixed_disk_attributes',` +requires_block_template(`$0'_depend) +dontaudit $1 fixed_disk_device_t:blk_file getattr; +') + +define(`storage_ignore_get_fixed_disk_attributes_depend',` +type fixed_disk_device_t; +class blk_file getattr; +') + +# +## +## +## Allow the caller to set the attributes of fixed disk +## device nodes. +## +## +## The type of the process performing this action. +## +## +## +# +define(`storage_set_fixed_disk_attributes',` +requires_block_template(`$0'_depend) +devices_list_device_nodes($1) +allow $1 fixed_disk_device_t:blk_file setattr; +') + +define(`storage_set_fixed_disk_attributes_depend',` +type fixed_disk_device_t; +class blk_file setattr; +') -######################################## # -# storage_raw_read_fixed_disk(domain) +## +## +## Allow the caller to directly read from a fixed disk. +## This is extremly dangerous as it can bypass the +## SELinux protections for filesystem objects, and +## should only be used by trusted domains. +## +## +## The type of the process performing this action. +## +## +## # define(`storage_raw_read_fixed_disk',` requires_block_template(`$0'_depend) typeattribute $1 fixed_disk_raw_read; -devices_list_device_nodes($1,optional) +devices_list_device_nodes($1) allow $1 fixed_disk_device_t:blk_file { getattr read ioctl }; ') @@ -15,17 +95,26 @@ define(`storage_raw_read_fixed_disk_depend',` type fixed_disk_device_t; attribute fixed_disk_raw_read; class blk_file { getattr read ioctl }; -devices_list_device_nodes_depend ') -######################################## # -# storage_raw_write_fixed_disk(domain) +## +## +## Allow the caller to directly write to a fixed disk. +## This is extremly dangerous as it can bypass the +## SELinux protections for filesystem objects, and +## should only be used by trusted domains. +## +## +## The type of the process performing this action. +## +## +## # define(`storage_raw_write_fixed_disk',` requires_block_template(`$0'_depend) typeattribute $1 fixed_disk_raw_write; -devices_list_device_nodes($1,optional) +devices_list_device_nodes($1) allow $1 fixed_disk_device_t:blk_file { getattr write ioctl }; ') @@ -33,12 +122,22 @@ define(`storage_raw_write_fixed_disk_depend',` type fixed_disk_device_t; attribute fixed_disk_raw_write; class blk_file { getattr write ioctl }; -devices_list_device_nodes_depend ') -######################################## # -# storage_raw_read_lvm_volume(domain) +## +## +## +## Allow the caller to directly read from a logical volume. +## This is extremly dangerous as it can bypass the +## SELinux protections for filesystem objects, and +## should only be used by trusted domains. +## +## +## The type of the process performing this action. +## +## +## # define(`storage_raw_read_lvm_volume',` requires_block_template(`$0'_depend) @@ -53,9 +152,19 @@ attribute fixed_disk_raw_read; class blk_file { getattr read ioctl }; ') -######################################## # -# storage_raw_write_lvm_volume(domain) +## +## +## Allow the caller to directly read from a logical volume. +## This is extremly dangerous as it can bypass the +## SELinux protections for filesystem objects, and +## should only be used by trusted domains. +## +## +## The type of the process performing this action. +## +## +## # define(`storage_raw_write_lvm_volume',` requires_block_template(`$0'_depend) @@ -70,39 +179,20 @@ attribute fixed_disk_raw_write; class blk_file { getattr write ioctl }; ') -######################################## -# -# storage_get_fixed_disk_attributes(domain) -# -define(`storage_get_fixed_disk_attributes',` -requires_block_template(`$0'_depend) -devices_list_device_nodes($1) -allow $1 fixed_disk_device_t:blk_file getattr; -') - -define(`storage_get_fixed_disk_attributes_depend',` -type fixed_disk_device_t; -class blk_file getattr; -') - -######################################## -# -# storage_set_fixed_disk_attributes(domain) -# -define(`storage_set_fixed_disk_attributes',` -requires_block_template(`$0'_depend) -devices_list_device_nodes($1) -allow $1 fixed_disk_device_t:blk_file setattr; -') - -define(`storage_set_fixed_disk_attributes_depend',` -type fixed_disk_device_t; -class blk_file setattr; -') - -######################################## # -# storage_read_scsi_generic(domain) +## +## +## Allow the caller to directly read, in a +## generic fashion, from any SCSI device. +## This is extremly dangerous as it can bypass the +## SELinux protections for filesystem objects, and +## should only be used by trusted domains. +## +## +## The type of the process performing this action. +## +## +## # define(`storage_read_scsi_generic',` requires_block_template(`$0'_depend) @@ -117,9 +207,20 @@ attribute scsi_generic_read; class blk_file { getattr read ioctl }; ') -######################################## # -# storage_write_scsi_generic(domain) +## +## +## Allow the caller to directly write, in a +## generic fashion, from any SCSI device. +## This is extremly dangerous as it can bypass the +## SELinux protections for filesystem objects, and +## should only be used by trusted domains. +## +## +## The type of the process performing this action. +## +## +## # define(`storage_write_scsi_generic',` requires_block_template(`$0'_depend) @@ -164,64 +265,94 @@ type scsi_generic_device_t; class blk_file setattr; ') -######################################## # -# storage_raw_read_removable_device(domain) +## +## +## Allow the caller to get the attributes of removable +## devices device nodes. +## +## +## The type of the process performing this action. +## +## +## # -define(`storage_raw_read_removable_device',` +define(`storage_get_removable_device_attributes',` requires_block_template(`$0'_depend) devices_list_device_nodes($1) -allow $1 removable_device_t:blk_file { getattr read ioctl }; +allow $1 removable_device_t:blk_file getattr; ') -define(`storage_raw_read_removable_device_depend',` +define(`storage_get_removable_device_attributes_depend',` type removable_device_t; -class blk_file { getattr read ioctl }; +class blk_file getattr; +') + +# +## +## +## Do not audit attempts made by the caller to get +## the attributes of removable devices device nodes. +## +## +## The type of the process to not audit. +## +## +## +# +define(`storage_ignore_get_removable_device_attributes',` +requires_block_template(`$0'_depend) +dontaudit $1 removable_device_t:blk_file getattr; +') + +define(`storage_ignore_get_removable_device_attributes_depend',` +type removable_device_t; +class blk_file getattr; ') ######################################## # -# storage_raw_write_removable_device(domain) +# storage_set_removable_device_attributes(domain) # -define(`storage_raw_write_removable_device',` +define(`storage_set_removable_device_attributes',` requires_block_template(`$0'_depend) devices_list_device_nodes($1) -allow $1 removable_device_t:blk_file { getattr write ioctl }; +allow $1 removable_device_t:blk_file setattr; ') -define(`storage_raw_write_removable_device_depend',` +define(`storage_set_removable_device_attributes_depend',` type removable_device_t; -class blk_file { getattr write ioctl }; +class blk_file setattr; ') ######################################## # -# storage_get_removable_device_attributes(domain) +# storage_raw_read_removable_device(domain) # -define(`storage_get_removable_device_attributes',` +define(`storage_raw_read_removable_device',` requires_block_template(`$0'_depend) devices_list_device_nodes($1) -allow $1 removable_device_t:blk_file getattr; +allow $1 removable_device_t:blk_file { getattr read ioctl }; ') -define(`storage_get_removable_device_attributes_depend',` +define(`storage_raw_read_removable_device_depend',` type removable_device_t; -class blk_file getattr; +class blk_file { getattr read ioctl }; ') ######################################## # -# storage_set_removable_device_attributes(domain) +# storage_raw_write_removable_device(domain) # -define(`storage_set_removable_device_attributes',` +define(`storage_raw_write_removable_device',` requires_block_template(`$0'_depend) devices_list_device_nodes($1) -allow $1 removable_device_t:blk_file setattr; +allow $1 removable_device_t:blk_file { getattr write ioctl }; ') -define(`storage_set_removable_device_attributes_depend',` +define(`storage_raw_write_removable_device_depend',` type removable_device_t; -class blk_file setattr; +class blk_file { getattr write ioctl }; ') ######################################## @@ -283,3 +414,5 @@ define(`storage_set_tape_device_attributes_depend',` type tape_device_t; class blk_file setattr; ') + +## diff --git a/refpolicy/policy/modules/kernel/terminal.if b/refpolicy/policy/modules/kernel/terminal.if index 0db677b..c48f3bc 100644 --- a/refpolicy/policy/modules/kernel/terminal.if +++ b/refpolicy/policy/modules/kernel/terminal.if @@ -2,27 +2,87 @@ ######################################## # -# terminal_make_pseudoterminal(domain,ptytype) +# terminal_make_pseudoterminal(type) # define(`terminal_make_pseudoterminal',` requires_block_template(`$0'_depend) -devices_list_device_nodes($1,optional) +allow $1 devpts_t:filesystem associate; +typeattribute $1 ptynode; +') + +define(`terminal_make_pseudoterminal_depend',` +attribute ptynode; +type devpts_t; +class filesystem associate; +') + +######################################## +# +# terminal_make_user_pseudoterminal(domain,type) +# +define(`terminal_make_user_pseudoterminal',` +requires_block_template(`$0'_depend) +terminal_make_pseudoterminal($1) +type_change $1 server_ptynode:chr_file $2; +') + +define(`terminal_make_user_pseudoterminal_depend',` +attribute server_ptynode; +') + +######################################## +# +# terminal_make_service_pseudoterminal(type) +# +define(`terminal_make_service_pseudoterminal',` +requires_block_template(`$0'_depend) +terminal_make_pseudoterminal($1) +typeattribute $1 server_ptynode; +') + +define(`terminal_make_service_pseudoterminal_depend',` +attribute server_ptynode; +') + +######################################## +# +# terminal_make_physical_terminal(domain,type) +# +define(`terminal_make_physical_terminal',` +requires_block_template(`$0'_depend) +typeattribute $2 ttynode; +type_change $1 tty_device_t:chr_file $2; +# Debian login is from shadow utils and does not allow resetting the perms. +# have to fix this! +tunable_policy(`distro_debian',` +type_change $1 ttyfile:chr_file $2; +') +') + +define(`terminal_make_physical_terminal_depend',` +attribute ttynode; +type tty_device_t; +') + +######################################## +# +# terminal_create_private_pseudoterminal(domain,ptytype) +# +define(`terminal_create_private_pseudoterminal',` +requires_block_template(`$0'_depend) +devices_list_device_nodes($1) allow $1 ptmx_t:chr_file { getattr read write }; allow $1 devpts_t:dir { getattr search read }; allow $1 devpts_t:filesystem getattr; -allow $2 devpts_t:filesystem associate; dontaudit $1 bsdpty_device_t:chr_file { getattr read write }; type_transition $1 devpts_t:chr_file $2; -typeattribute $2 ptynode; ') -define(`terminal_make_pseudoterminal_depend',` -attribute ptynode; +define(`terminal_create_pseudoterminal_depend',` type ptmx_t, devpts_t; -class filesystem { getattr associate }; +class filesystem getattr; class dir { getattr search read }; class chr_file { getattr read write }; -devices_list_device_nodes_depend ') ######################################## @@ -179,16 +239,16 @@ class chr_file { getattr read write }; ######################################## # -# terminal_get_all_users_pseudoterminal_attributes(domain) +# terminal_get_all_private_pseudoterminal_attributes(domain) # -define(`terminal_get_all_users_pseudoterminal_attributes',` +define(`terminal_get_all_private_pseudoterminal_attributes',` requires_block_template(`$0'_depend) devices_list_device_nodes($1) allow $1 devpts_t:dir { getattr search read }; allow $1 ptynode:chr_file getattr; ') -define(`terminal_get_all_users_pseudoterminal_attributes_depend',` +define(`terminal_get_all_private_pseudoterminal_attributes_depend',` attribute ptynode; class dir { getattr search read }; class chr_file getattr; @@ -196,16 +256,16 @@ class chr_file getattr; ######################################## # -# terminal_use_all_users_pseudoterminals(domain) +# terminal_use_all_private_pseudoterminals(domain) # -define(`terminal_use_all_users_pseudoterminals',` +define(`terminal_use_all_private_pseudoterminals',` requires_block_template(`$0'_depend) devices_list_device_nodes($1) allow $1 devpts_t:dir { getattr read search }; allow $1 ptynode:chr_file { read write }; ') -define(`terminal_use_all_users_pseudoterminals_depend',` +define(`terminal_use_all_private_pseudoterminals_depend',` attribute ptynode; class dir { getattr search read }; class chr_file { read write }; @@ -213,14 +273,14 @@ class chr_file { read write }; ######################################## # -# terminal_ignore_use_all_users_pseudoterminals(domain) +# terminal_ignore_use_all_private_pseudoterminals(domain) # -define(`terminal_ignore_use_all_users_pseudoterminals',` +define(`terminal_ignore_use_all_private_pseudoterminals',` requires_block_template(`$0'_depend) dontaudit $1 ptynode:chr_file { read write }; ') -define(`terminal_ignore_use_all_users_pseudoterminals_depend',` +define(`terminal_ignore_use_all_private_pseudoterminals_depend',` attribute ptynode; class chr_file { read write }; ') @@ -304,58 +364,58 @@ class chr_file { read write }; ######################################## # -# terminal_get_all_users_physical_terminal_attributes(domain) +# terminal_get_all_private_physical_terminal_attributes(domain) # -define(`terminal_get_all_users_physical_terminal_attributes',` +define(`terminal_get_all_private_physical_terminal_attributes',` requires_block_template(`$0'_depend) devices_list_device_nodes($1) allow $1 ttynode:chr_file getattr; ') -define(`terminal_get_all_users_physical_terminal_attributes_depend',` +define(`terminal_get_all_private_physical_terminal_attributes_depend',` attribute ttynode; class chr_file getattr; ') ######################################## # -# terminal_ignore_get_all_users_physical_terminal_attributes(domain) +# terminal_ignore_get_all_private_physical_terminal_attributes(domain) # -define(`terminal_ignore_get_all_users_physical_terminal_attributes',` +define(`terminal_ignore_get_all_private_physical_terminal_attributes',` requires_block_template(`$0'_depend) dontaudit $1 ttynode:chr_file getattr; ') -define(`terminal_ignore_get_all_users_physical_terminal_attributes_depend',` +define(`terminal_ignore_get_all_private_physical_terminal_attributes_depend',` attribute ttynode; class chr_file getattr; ') ######################################## # -# terminal_use_all_users_physical_terminals(domain) +# terminal_use_all_private_physical_terminals(domain) # -define(`terminal_use_all_users_physical_terminals',` +define(`terminal_use_all_private_physical_terminals',` requires_block_template(`$0'_depend) devices_list_device_nodes($1) allow $1 ttynode:chr_file { read write }; ') -define(`terminal_use_all_users_physical_terminals_depend',` +define(`terminal_use_all_private_physical_terminals_depend',` attribute ttynode; class chr_file { read write }; ') ######################################## # -# terminal_ignore_use_all_users_physical_terminals(domain) +# terminal_ignore_use_all_private_physical_terminals(domain) # -define(`terminal_ignore_use_all_users_physical_terminals',` +define(`terminal_ignore_use_all_private_physical_terminals',` requires_block_template(`$0'_depend) dontaudit $1 ttynode:chr_file { read write }; ') -define(`terminal_ignore_use_all_users_physical_terminals_depend',` +define(`terminal_ignore_use_all_private_physical_terminals_depend',` attribute ttynode; class chr_file { read write }; ') diff --git a/refpolicy/policy/modules/kernel/terminal.te b/refpolicy/policy/modules/kernel/terminal.te index 36d172b..e43ce5e 100644 --- a/refpolicy/policy/modules/kernel/terminal.te +++ b/refpolicy/policy/modules/kernel/terminal.te @@ -4,6 +4,7 @@ policy_module(terminal,1.0) attribute ttynode; attribute ptynode; +attribute server_ptynode; # # bsdpty_device_t is the type of /dev/[tp]ty[abcdepqrstuvwxyz][0-9a-f] diff --git a/refpolicy/policy/modules/services/mta.if b/refpolicy/policy/modules/services/mta.if index 6f47072..5a53119 100644 --- a/refpolicy/policy/modules/services/mta.if +++ b/refpolicy/policy/modules/services/mta.if @@ -220,6 +220,22 @@ class file { getattr read write append setattr }; ####################################### # +# mta_modify_mail_spool(domain) +# +define(`mta_modify_mail_spool',` +requires_block_template(`$0'_depend) +allow $1 mail_spool_t:dir { read getattr lock search ioctl add_name remove_name write }; +allow $1 mail_spool_t:file { getattr read write append setattr }; +') + +define(`mta_modify_mail_spool_depend',` +type mail_spool_t; +class dir { read getattr lock search ioctl add_name remove_name write }; +class file { create ioctl read getattr lock write setattr append link unlink rename }; +') + +####################################### +# # mta_manage_mail_spool(domain) # define(`mta_manage_mail_spool',` diff --git a/refpolicy/policy/modules/system/authlogin.if b/refpolicy/policy/modules/system/authlogin.if index 6faef79..142c0d0 100644 --- a/refpolicy/policy/modules/system/authlogin.if +++ b/refpolicy/policy/modules/system/authlogin.if @@ -136,21 +136,6 @@ class udp_socket { create ioctl read getattr write setattr append bind getopt se ####################################### # -# authlogin_modify_login_records(domain) -# -define(`authlogin_modify_login_records',` -requires_block_template(`$0'_depend) -logging_search_system_log_directory($1) -allow $1 wtmp_t:file { getattr read write setattr }; -') - -define(`authlogin_modify_login_records_depend',` -type wtmp_t; -class file { getattr read write setattr }; -') - -####################################### -# # authlogin_read_shadow_passwords(domain) # define(`authlogin_read_shadow_passwords',` @@ -373,3 +358,47 @@ class dir { read getattr lock search ioctl add_name remove_name write }; class file { create ioctl read getattr lock write setattr append link unlink rename }; class lnk_file { create read getattr setattr link unlink rename }; ') + +####################################### +# +# authlogin_read_login_records(domain) +# +define(`authlogin_read_login_records',` +requires_block_template(`$0'_depend) +logging_search_system_log_directory($1) +allow $1 wtmp_t:file { getattr read }; +') + +define(`authlogin_read_login_records_depend',` +type wtmp_t; +class file { getattr read }; +') + +####################################### +# +# authlogin_ignore_write_login_records(domain) +# +define(`authlogin_ignore_write_login_records',` +requires_block_template(`$0'_depend) +dontaudit $1 wtmp_t:file write; +') + +define(`authlogin_read_login_records_depend',` +type wtmp_t; +class file write; +') + +####################################### +# +# authlogin_modify_login_records(domain) +# +define(`authlogin_modify_login_records',` +requires_block_template(`$0'_depend) +logging_search_system_log_directory($1) +allow $1 wtmp_t:file { getattr read write setattr }; +') + +define(`authlogin_modify_login_records_depend',` +type wtmp_t; +class file { getattr read write setattr }; +') diff --git a/refpolicy/policy/modules/system/authlogin.te b/refpolicy/policy/modules/system/authlogin.te index c1f35ed..e4f7b7e 100644 --- a/refpolicy/policy/modules/system/authlogin.te +++ b/refpolicy/policy/modules/system/authlogin.te @@ -94,8 +94,8 @@ files_create_private_tmp_data(pam_t, pam_tmp_t, { file dir }) kernel_read_system_state(pam_t) -terminal_use_all_users_physical_terminals(pam_t) -terminal_use_all_users_pseudoterminals(pam_t) +terminal_use_all_private_physical_terminals(pam_t) +terminal_use_all_private_pseudoterminals(pam_t) init_script_ignore_modify_runtime_data(pam_t) @@ -288,10 +288,10 @@ allow utempter_t self:unix_stream_socket { create ioctl read getattr write setat allow utempter_t wtmp_t:file { ioctl read getattr lock write append }; -terminal_get_all_users_physical_terminal_attributes(utempter_t) -terminal_get_all_users_pseudoterminal_attributes(utempter_t) -terminal_ignore_use_all_users_physical_terminals(utempter_t) -terminal_ignore_use_all_users_pseudoterminals(utempter_t) +terminal_get_all_private_physical_terminal_attributes(utempter_t) +terminal_get_all_private_pseudoterminal_attributes(utempter_t) +terminal_ignore_use_all_private_physical_terminals(utempter_t) +terminal_ignore_use_all_private_pseudoterminals(utempter_t) terminal_ignore_use_pseudoterminal_multiplexer(utempter_t) init_script_modify_runtime_data(utempter_t) diff --git a/refpolicy/policy/modules/system/clock.te b/refpolicy/policy/modules/system/clock.te index 3bd5bf7..2d7cb75 100644 --- a/refpolicy/policy/modules/system/clock.te +++ b/refpolicy/policy/modules/system/clock.te @@ -39,8 +39,8 @@ filesystem_get_persistent_filesystem_attributes(hwclock_t) terminal_ignore_use_console(hwclock_t) terminal_use_general_physical_terminal(hwclock_t) -terminal_use_all_users_physical_terminals(hwclock_t) -terminal_use_all_users_pseudoterminals(hwclock_t) +terminal_use_all_private_physical_terminals(hwclock_t) +terminal_use_all_private_pseudoterminals(hwclock_t) init_use_file_descriptors(hwclock_t) init_script_use_pseudoterminal(hwclock_t) diff --git a/refpolicy/policy/modules/system/getty.te b/refpolicy/policy/modules/system/getty.te index 09a7a0b..c4d0c56 100644 --- a/refpolicy/policy/modules/system/getty.te +++ b/refpolicy/policy/modules/system/getty.te @@ -60,9 +60,3 @@ locallogin_transition(getty_t) logging_send_system_log_message(getty_t) miscfiles_read_localization(getty_t) - -# TODO: to allow w to display everyone... -#bool user_ttyfile_stat false; -#if (user_ttyfile_stat) { -#allow userdomain ttyfile:chr_file getattr; -#} diff --git a/refpolicy/policy/modules/system/hostname.te b/refpolicy/policy/modules/system/hostname.te index f5c9f26..7f40975 100644 --- a/refpolicy/policy/modules/system/hostname.te +++ b/refpolicy/policy/modules/system/hostname.te @@ -35,8 +35,8 @@ files_ignore_search_system_state_data_directory(hostname_t) filesystem_get_persistent_filesystem_attributes(hostname_t) terminal_ignore_use_console(hostname_t) -terminal_use_all_users_physical_terminals(hostname_t) -terminal_use_all_users_pseudoterminals(hostname_t) +terminal_use_all_private_physical_terminals(hostname_t) +terminal_use_all_private_pseudoterminals(hostname_t) init_use_file_descriptors(hostname_t) init_script_use_pseudoterminal(hostname_t) diff --git a/refpolicy/policy/modules/system/init.if b/refpolicy/policy/modules/system/init.if index a701982..52b51e5 100644 --- a/refpolicy/policy/modules/system/init.if +++ b/refpolicy/policy/modules/system/init.if @@ -257,30 +257,44 @@ class fd use; ######################################## # +# init_script_get_process_group(domain) +# +define(`init_script_get_process_group',` +requires_block_template(`$0'_depend) +allow $1 initrc_t:process getpgid; +') + +define(`init_script_get_process_group_depend',` +type initrc_t; +class process getpgid; +') + +######################################## +# # init_script_use_pseudoterminal(domain) # define(`init_script_use_pseudoterminal',` requires_block_template(`$0'_depend) -allow $1 initrc_devpts_t:chr_file { read write }; +allow $1 initrc_devpts_t:chr_file { getattr read write ioctl }; ') define(`init_script_use_pseudoterminal_depend',` type initrc_devpts_t; -class chr_file { read write }; +class chr_file { getattr read write ioctl }; ') ######################################## # -# init_script_get_process_group(domain) +# init_script_ignore_use_pseudoterminal(domain) # -define(`init_script_get_process_group',` +define(`init_script_ignore_use_pseudoterminal',` requires_block_template(`$0'_depend) -allow $1 initrc_t:process getpgid; +allow $1 initrc_devpts_t:chr_file { read write ioctl }; ') -define(`init_script_get_process_group_depend',` -type initrc_t; -class process getpgid; +define(`init_script_ignore_use_pseudoterminal_depend',` +type initrc_devpts_t; +class chr_file { read write ioctl }; ') ######################################## diff --git a/refpolicy/policy/modules/system/init.te b/refpolicy/policy/modules/system/init.te index bccab0a..c697722 100644 --- a/refpolicy/policy/modules/system/init.te +++ b/refpolicy/policy/modules/system/init.te @@ -47,7 +47,7 @@ domain_make_entrypoint_file(initrc_t,initrc_exec_t) type initrc_devpts_t; filesystem_associate(initrc_devpts_t) filesystem_noxattr_associate(initrc_devpts_t) -terminal_make_pseudoterminal(initrc_t,initrc_devpts_t) +terminal_make_pseudoterminal(initrc_devpts_t) type initrc_var_run_t; files_make_daemon_runtime_file(initrc_var_run_t) diff --git a/refpolicy/policy/modules/system/locallogin.te b/refpolicy/policy/modules/system/locallogin.te index 699519b..7446423 100644 --- a/refpolicy/policy/modules/system/locallogin.te +++ b/refpolicy/policy/modules/system/locallogin.te @@ -65,7 +65,7 @@ kernel_compute_reachable_user_contexts(local_login_t) # for SSP/ProPolice devices_get_pseudorandom_data(local_login_t) -terminal_use_all_users_physical_terminals(local_login_t) +terminal_use_all_private_physical_terminals(local_login_t) terminal_use_general_physical_terminal(local_login_t) init_script_modify_runtime_data(local_login_t) diff --git a/refpolicy/policy/modules/system/logging.if b/refpolicy/policy/modules/system/logging.if index 39968a9..ef0a698 100644 --- a/refpolicy/policy/modules/system/logging.if +++ b/refpolicy/policy/modules/system/logging.if @@ -74,6 +74,20 @@ class dir search; ####################################### # +# logging_ignore_get_all_logs_attributes(domain) +# +define(`logging_ignore_get_all_logs_attributes',` +requires_block_template(`$0'_depend) +dontaudit $1 logfile:file getattr; +') + +define(`logging_ignore_get_all_logs_attributes_depend',` +attribute logfile; +class file getattr; +') + +####################################### +# # logging_append_all_logs(domain) # define(`logging_append_all_logs',` diff --git a/refpolicy/policy/modules/system/lvm.te b/refpolicy/policy/modules/system/lvm.te index 2b6a3ff..c19cf9c 100644 --- a/refpolicy/policy/modules/system/lvm.te +++ b/refpolicy/policy/modules/system/lvm.te @@ -95,7 +95,7 @@ devices_ignore_get_all_character_device_attributes(lvm_t) devices_ignore_get_all_block_device_attributes(lvm_t) devices_ignore_get_generic_character_device_attributes(lvm_t) devices_ignore_get_generic_block_device_attributes(lvm_t) -terminal_ignore_get_all_users_physical_terminal_attributes(lvm_t) +terminal_ignore_get_all_private_physical_terminal_attributes(lvm_t) filesystem_get_persistent_filesystem_attributes(lvm_t) diff --git a/refpolicy/policy/modules/system/selinux.te b/refpolicy/policy/modules/system/selinux.te index f04ed99..b4faa64 100644 --- a/refpolicy/policy/modules/system/selinux.te +++ b/refpolicy/policy/modules/system/selinux.te @@ -219,8 +219,8 @@ devices_get_pseudorandom_data(newrole_t) filesystem_get_persistent_filesystem_attributes(newrole_t) -terminal_use_all_users_physical_terminals(newrole_t) -terminal_use_all_users_pseudoterminals(newrole_t) +terminal_use_all_private_physical_terminals(newrole_t) +terminal_use_all_private_pseudoterminals(newrole_t) # Write to utmp. init_script_modify_runtime_data(newrole_t) @@ -374,8 +374,8 @@ kernel_compute_reachable_user_contexts(setfiles_t) filesystem_get_persistent_filesystem_attributes(setfiles_t) -terminal_use_all_users_physical_terminals(setfiles_t) -terminal_use_all_users_pseudoterminals(setfiles_t) +terminal_use_all_private_physical_terminals(setfiles_t) +terminal_use_all_private_pseudoterminals(setfiles_t) terminal_use_general_physical_terminal(setfiles_t) init_use_file_descriptors(setfiles_t) diff --git a/refpolicy/policy/modules/system/selinuxutil.te b/refpolicy/policy/modules/system/selinuxutil.te index f04ed99..b4faa64 100644 --- a/refpolicy/policy/modules/system/selinuxutil.te +++ b/refpolicy/policy/modules/system/selinuxutil.te @@ -219,8 +219,8 @@ devices_get_pseudorandom_data(newrole_t) filesystem_get_persistent_filesystem_attributes(newrole_t) -terminal_use_all_users_physical_terminals(newrole_t) -terminal_use_all_users_pseudoterminals(newrole_t) +terminal_use_all_private_physical_terminals(newrole_t) +terminal_use_all_private_pseudoterminals(newrole_t) # Write to utmp. init_script_modify_runtime_data(newrole_t) @@ -374,8 +374,8 @@ kernel_compute_reachable_user_contexts(setfiles_t) filesystem_get_persistent_filesystem_attributes(setfiles_t) -terminal_use_all_users_physical_terminals(setfiles_t) -terminal_use_all_users_pseudoterminals(setfiles_t) +terminal_use_all_private_physical_terminals(setfiles_t) +terminal_use_all_private_pseudoterminals(setfiles_t) terminal_use_general_physical_terminal(setfiles_t) init_use_file_descriptors(setfiles_t) diff --git a/refpolicy/policy/modules/system/sysnetwork.te b/refpolicy/policy/modules/system/sysnetwork.te index b9a48af..7ec78f1 100644 --- a/refpolicy/policy/modules/system/sysnetwork.te +++ b/refpolicy/policy/modules/system/sysnetwork.te @@ -90,8 +90,8 @@ devices_get_pseudorandom_data(dhcpc_t) filesystem_get_all_filesystems_attributes(dhcpc_t) terminal_ignore_use_console(dhcpc_t) -terminal_ignore_use_all_users_physical_terminals(dhcpc_t) -terminal_ignore_use_all_users_pseudoterminals(dhcpc_t) +terminal_ignore_use_all_private_physical_terminals(dhcpc_t) +terminal_ignore_use_all_private_pseudoterminals(dhcpc_t) terminal_ignore_use_general_physical_terminal(dhcpc_t) init_use_file_descriptors(dhcpc_t) @@ -254,8 +254,8 @@ kernel_read_network_state(ifconfig_t) filesystem_get_persistent_filesystem_attributes(ifconfig_t) -terminal_ignore_use_all_users_physical_terminals(ifconfig_t) -terminal_ignore_use_all_users_pseudoterminals(ifconfig_t) +terminal_ignore_use_all_private_physical_terminals(ifconfig_t) +terminal_ignore_use_all_private_pseudoterminals(ifconfig_t) init_use_file_descriptors(ifconfig_t) init_script_use_pseudoterminal(ifconfig_t) diff --git a/refpolicy/policy/modules/system/userdomain.if b/refpolicy/policy/modules/system/userdomain.if new file mode 100644 index 0000000..a2802d1 --- /dev/null +++ b/refpolicy/policy/modules/system/userdomain.if @@ -0,0 +1,562 @@ +# Copyright (C) 2005 Tresys Technology, LLC + +######################################## +# +# Base user domain template +# +# This is common to user and admin domain + +define(`base_user_domain',` + +role $1_r types $1_t; +allow system_r $1_r; + +allow $1_t self:capability { setgid chown fowner }; +dontaudit $1_t self:capability { sys_nice fsetid }; +allow $1_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem dyntransition }; +allow $1_t self:process { ptrace setfscreate }; +allow $1_t self:fd use; +allow $1_t self:fifo_file { read getattr lock ioctl write append }; +allow $1_t self:unix_dgram_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown }; +allow $1_t self:unix_stream_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown listen accept }; +allow $1_t self:unix_dgram_socket sendto; +allow $1_t self:unix_stream_socket connectto; +allow $1_t self:shm { associate getattr setattr create destroy read write lock unix_read unix_write }; +allow $1_t self:sem { associate getattr setattr create destroy read write unix_read unix_write }; +allow $1_t self:msgq { associate getattr setattr create destroy read write enqueue unix_read unix_write }; +allow $1_t self:msg { send receive }; +dontaudit $1_t self:socket create; +# Irrelevant until we have labeled networking. +#allow $1_t self:udp_socket { sendto recvfrom }; + +# evolution and gnome-session try to create a netlink socket +dontaudit $1_t self:netlink_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown }; +dontaudit $1_t self:netlink_route_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown nlmsg_read nlmsg_write }; + +# execute files in the home directory +allow $1_t $1_home_t:file { getattr read execute execute_no_trans }; + +# full control of the home directory +allow $1_t $1_home_t:file { create ioctl read getattr lock write setattr append link unlink rename relabelfrom relabelto }; +allow $1_t $1_home_t:lnk_file { create read getattr setattr link unlink rename relabelfrom relabelto }; +allow $1_t $1_home_t:dir { create read getattr lock setattr ioctl link unlink rename search add_name remove_name reparent write rmdir relabelfrom relabelto }; +allow $1_t $1_home_t:sock_file { create ioctl read getattr lock write setattr append link unlink rename relabelfrom relabelto }; +allow $1_t $1_home_t:fifo_file { create ioctl read getattr lock write setattr append link unlink rename relabelfrom relabelto }; +allow $1_t $1_home_dir_t:dir { create read getattr lock setattr ioctl link unlink rename search add_name remove_name reparent write rmdir }; +type_transition $1_t $1_home_dir_t:{ file lnk_file dir sock_file fifo_file } $1_home_t; + +allow $1_t $1_tmp_t:file { getattr read execute execute_no_trans }; + +# Bind to a Unix domain socket in /tmp. +# cjp: this is combination is not checked and should be removed +allow $1_t $1_tmp_t:unix_stream_socket name_bind; + +allow $1_t $1_tty_device_t:chr_file { setattr getattr read write append ioctl lock }; + +allow $1_t unpriv_userdomain:fd use; + +# Instantiate derived domains for a number of programs. +# These derived domains encode both information about the calling +# user domain and the program, and allow us to maintain separation +# between different instances of the program being run by different +# user domains. +per_userdomain_templates($1) + +kernel_read_kernel_sysctl($1_t) +kernel_get_selinuxfs_mount_point($1_t) +# Very permissive allowing every domain to see every type. +kernel_get_sysvipc_info($1_t) +# Find CDROM devices +kernel_read_device_sysctl($1_t) + +corenetwork_network_tcp_on_all_interfaces($1_t) +corenetwork_network_raw_on_all_interfaces($1_t) +corenetwork_network_udp_on_all_interfaces($1_t) +corenetwork_network_tcp_on_all_nodes($1_t) +corenetwork_network_raw_on_all_nodes($1_t) +corenetwork_network_udp_on_all_nodes($1_t) +corenetwork_network_tcp_on_all_ports($1_t) +corenetwork_network_udp_on_all_ports($1_t) +corenetwork_bind_tcp_on_all_nodes($1_t) +corenetwork_bind_udp_on_all_nodes($1_t) +# allow port_t name binding for UDP because it is not very usable otherwise +corenetwork_bind_udp_on_general_port($1_t) + +devices_get_input_event($1_t) +devices_read_misc($1_t) +devices_write_misc($1_t) +devices_play_sound($1_t) +devices_record_sound_input($1_t) +devices_read_sound_mixer_levels($1_t) +devices_write_sound_mixer_levels($1_t) +devices_get_random_data($1_t) +devices_get_pseudorandom_data($1_t) +# open office is looking for the following +devices_get_direct_rendering_interface_attributes($1_t) +devices_ignore_use_direct_rendering_interface($1_t) + +filesystem_get_all_filesystems_quotas($1_t) +filesystem_get_all_filesystems_attributes($1_t) + +# for eject +storage_get_fixed_disk_attributes($1_t) + +authlogin_read_login_records($1_t) +authlogin_ignore_write_login_records($1_t) + +corecommands_execute_general_programs($1_t) +corecommands_execute_system_programs($1_t) + +domain_execute_all_entrypoint_programs($1_t) +domain_use_widely_inheritable_file_descriptors($1_t) + +files_execute_system_config_script($1_t) +files_read_system_source_code($1_t) + +# Caused by su - init scripts +init_script_ignore_use_pseudoterminal($1_t) + +libraries_use_dynamic_loader($1_t) +libraries_read_shared_libraries($1_t) +libraries_execute_dynamic_loader($1_t) +libraries_execute_library_scripts($1_t) + +logging_ignore_get_all_logs_attributes($1_t) + +miscfiles_read_localization($1_t) +miscfiles_manage_man_page_cache($1_t) + +mta_modify_mail_spool($1_t) + +if (allow_execmem) { +# Allow loading DSOs that require executable stack. +allow $1_t self:process execmem; +} + +if (use_nfs_home_dirs) { +filesystem_manage_nfs_directories($1_t) +filesystem_manage_nfs_files($1_t) +filesystem_manage_nfs_symbolic_links($1_t) +filesystem_manage_nfs_named_sockets($1_t) +filesystem_manage_nfs_named_pipes($1_t) +filesystem_execute_nfs_files($1_t) +} + +if (use_samba_home_dirs) { +filesystem_manage_windows_network_directories($1_t) +filesystem_manage_windows_network_files($1_t) +filesystem_manage_windows_network_symbolic_links($1_t) +filesystem_manage_windows_network_named_sockets($1_t) +filesystem_manage_windows_network_named_pipes($1_t) +filesystem_execute_windows_network_files($1_t) +} + +if (user_direct_mouse) { +devices_get_mouse_input($1_t) +} + +if (user_ttyfile_stat) { +terminal_get_all_private_physical_terminal_attributes($1_t) +} + +ifdef(`TODO',` + +# When the user domain runs ps, there will be a number of access +# denials when ps tries to search /proc. Do not audit these denials. +dontaudit $1_t domain:dir r_dir_perms; +dontaudit $1_t domain:notdevfile_class_set r_file_perms; +dontaudit $1_t domain:process { getattr getsession }; +# +# Cups daemon running as user tries to write /etc/printcap +# +dontaudit $1_t usr_t:file setattr; + +# Access the power device. +allow $1_t power_device_t:chr_file { getattr read write ioctl }; + +# Check to see if cdrom is mounted +allow $1_t mnt_t:dir { getattr search }; + +# +# Added to allow reading of cdrom +# +allow $1_t rpc_pipefs_t:dir getattr; +allow $1_t nfsd_fs_t:dir getattr; +allow $1_t binfmt_misc_fs_t:dir getattr; + +# /initrd is left mounted, various programs try to look at it +dontaudit $1_t ramfs_t:dir getattr; + +if (read_default_t) { +allow $1_t default_t:dir r_dir_perms; +allow $1_t default_t:notdevfile_class_set r_file_perms; +} + +# +# Running ifconfig as a user generates the following +# +dontaudit $1_t sysctl_net_t:dir search; + +dontaudit $1_t default_context_t:dir search; + +r_dir_file($1_t, usercanread) + +can_ypbind($1_t) + +if (allow_execmod) { +# Allow text relocations on system shared libraries, e.g. libGL. +allow $1_t texrel_shlib_t:file execmod; +} + +allow $1_t fs_type:dir getattr; + +# old "file_browse_domain": +# Regular files/directories that are not security sensitive +dontaudit $1_t file_type - secure_file_type:dir_file_class_set getattr; +dontaudit $1_t file_type - secure_file_type:dir { read search }; +# /dev +dontaudit $1_t dev_fs:dir_file_class_set getattr; +dontaudit $1_t dev_fs:dir { read search }; +# /proc +dontaudit $1_t sysctl_t:dir_file_class_set getattr; +dontaudit $1_t proc_fs:dir { read search }; + +allow $1_t autofs_t:dir { search getattr }; + +can_exec($1_t, { removable_t noexattrfile } ) +if (user_rw_noexattrfile) { +create_dir_file($1_t, noexattrfile) +create_dir_file($1_t, removable_t) +# Write floppies +allow $1_t removable_device_t:blk_file rw_file_perms; +allow $1_t usbtty_device_t:chr_file write; +} else { +r_dir_file($1_t, noexattrfile) +r_dir_file($1_t, removable_t) +allow $1_t removable_device_t:blk_file r_file_perms; +} +allow $1_t usbtty_device_t:chr_file read; + +# GNOME checks for usb and other devices +rw_dir_file($1_t,usbfs_t) + +can_exec($1_t, noexattrfile) + +# for running TeX programs +r_dir_file($1_t, tetex_data_t) +can_exec($1_t, tetex_data_t) + +type $1_tmpfs_t, file_type, sysadmfile, tmpfsfile; +file_type_auto_trans($1_t, tmpfs_t, $1_tmpfs_t) +allow $1_tmpfs_t tmpfs_t:filesystem associate; + +# Run programs developed by other users in the same domain. + +can_resmgrd_connect($1_t) + +can_ypbind($1_t) + +allow $1_t var_lock_t:dir search; + +# Grant permissions to access the system DBus +ifdef(`dbusd.te', ` +dbusd_client(system, $1) +can_network_server_tcp($1_dbusd_t) +allow $1_dbusd_t reserved_port_t:tcp_socket name_bind; + +allow $1_t system_dbusd_t:dbus { send_msg acquire_svc }; +dbusd_client($1, $1) +allow $1_t $1_dbusd_t:dbus { send_msg acquire_svc }; +dbusd_domain($1) +ifdef(`hald.te', ` +allow $1_t hald_t:dbus send_msg; +allow hald_t $1_t:dbus send_msg; +') dnl end ifdef hald.te +') dnl end ifdef dbus.te + +# Gnome pannel binds to the following +ifdef(`cups.te', ` +allow $1_t { cupsd_etc_t cupsd_rw_etc_t }:file { read getattr }; +') + +# Connect to inetd. +ifdef(`inetd.te', ` +can_tcp_connect($1_t, inetd_t) +can_udp_send($1_t, inetd_t) +can_udp_send(inetd_t, $1_t) +') + +# Connect to portmap. +ifdef(`portmap.te', `can_tcp_connect($1_t, portmap_t)') + +# Inherit and use sockets from inetd +ifdef(`inetd.te', ` +allow $1_t inetd_t:fd use; +allow $1_t inetd_t:tcp_socket rw_stream_socket_perms; +') + +ifdef(`xserver.te', ` +# for /tmp/.ICE-unix +file_type_auto_trans($1_t, xdm_xserver_tmp_t, $1_tmp_t, sock_file) +allow $1_t xserver_misc_device_t:{ chr_file blk_file } rw_file_perms; +') + +ifdef(`xdm.te', ` +# Connect to the X server run by the X Display Manager. +can_unix_connect($1_t, xdm_t) +allow $1_t xdm_tmp_t:sock_file rw_file_perms; +allow $1_t xdm_tmp_t:dir r_dir_perms; +allow $1_t xdm_tmp_t:file { getattr read }; +allow $1_t xdm_xserver_tmp_t:sock_file { read write }; +allow $1_t xdm_xserver_tmp_t:dir search; +allow $1_t xdm_xserver_t:unix_stream_socket connectto; +# certain apps want to read xdm.pid file +r_dir_file($1_t, xdm_var_run_t) +allow $1_t xdm_var_lib_t:file { getattr read }; +allow xdm_t $1_home_dir_t:dir getattr; +ifdef(`xauth.te', ` +file_type_auto_trans(xdm_t, $1_home_dir_t, $1_xauth_home_t, file) +') + +# for shared memory +allow xdm_xserver_t $1_tmpfs_t:file { read write }; + +')dnl end ifdef xdm.te + +ifdef(`rpcd.te', ` +create_dir_file($1_t, nfsd_rw_t) +') + +ifdef(`cardmgr.te', ` +# to allow monitoring of pcmcia status +allow $1_t cardmgr_var_run_t:file { getattr read }; +') + +# +# Allow graphical boot to check battery lifespan +# +ifdef(`apmd.te', ` +allow $1_t apmd_t:unix_stream_socket connectto; +allow $1_t apmd_var_run_t:sock_file write; +') + +ifdef(`automount.te', ` +allow $1_t autofs_t:dir { search getattr }; +') + +ifdef(`pamconsole.te', ` +allow $1_t pam_var_console_t:dir search; +') + +') dnl endif TODO + +')dnl end base_user_domain macro + +######################################## +# +# User domain template +# + +define(`user_domain_template', ` + +############################## +# +# Declarations +# + +attribute $1_file_type; + +type $1_t, userdomain, unpriv_userdomain; #, web_client_domain, nscd_client_domain; +domain_make_domain($1_t) +domain_make_file_descriptors_widely_inheritable($1_t) + +type $1_devpts_t; # userpty_type, user_tty_type; +terminal_make_user_pseudoterminal($1_t,$1_devpts_t) + +# Type for home directory. +type $1_home_dir_t; #, home_dir_type, home_type, user_home_dir_type; +files_make_file($1_home_dir_t) + +# Type for files and directories in the home directory +type $1_home_t, $1_file_type; #, home_type, user_home_type; +files_make_file($1_home_t) + +type $1_tmp_t, $1_file_type; #, user_tmpfile +files_make_temporary_file($1_tmp_t) + +type $1_tty_device_t; #, sysadmfile, ttyfile, user_tty_type, dev_fs; +terminal_make_physical_terminal($1_t,$1_tty_device_t) + +############################## +# +# Local policy +# + +base_user_domain($1) + +allow $1_t $1_devpts_t:chr_file { setattr ioctl read getattr lock write append }; +terminal_create_private_pseudoterminal($1_t,$1_devpts_t) + +# Rules used to associate a homedir as a mountpoint +allow $1_home_t self:filesystem associate; +allow $1_file_type $1_home_t:filesystem associate; + +# user temporary files +allow $1_t $1_tmp_t:file { create ioctl read getattr lock write setattr append link unlink rename }; +allow $1_t $1_tmp_t:lnk_file { create read getattr setattr link unlink rename }; +allow $1_t $1_tmp_t:dir { create read getattr lock setattr ioctl link unlink rename search add_name remove_name reparent write rmdir }; +allow $1_t $1_tmp_t:sock_file { create ioctl read getattr lock write setattr append link unlink rename }; +allow $1_t $1_tmp_t:fifo_file { create ioctl read getattr lock write setattr append link unlink rename }; +files_create_private_tmp_data($1_t, $1_tmp_t, { file lnk_file dir sock_file fifo_file }) + +# privileged home directory writers +allow privhome $1_home_t:file { create ioctl read getattr lock write setattr append link unlink rename }; +allow privhome $1_home_t:lnk_file { create read getattr setattr link unlink rename }; +allow privhome $1_home_t:dir { create read getattr lock setattr ioctl link unlink rename search add_name remove_name reparent write rmdir }; +allow privhome $1_home_t:sock_file { create ioctl read getattr lock write setattr append link unlink rename }; +allow privhome $1_home_t:fifo_file { create ioctl read getattr lock write setattr append link unlink rename }; +type_transition privhome $1_home_dir_t:{ file lnk_file dir sock_file fifo_file } $1_home_t; + +kernel_read_system_state($1_t) +kernel_read_network_state($1_t) +kernel_read_hardware_state($1_t) + +# cjp: why? +bootloader_read_kernel_symbol_table($1_t) + +# port access is audited even if dac would not have allowed it, so dontaudit it here +corenetwork_ignore_bind_tcp_on_all_reserved_ports($1_t) + +files_read_general_system_config($1_t) +files_list_home_directories($1_t) +files_read_general_application_resources($1_t) + +init_script_read_runtime_data($1_t) +# The library functions always try to open read-write first, +# then fall back to read-only if it fails. +init_script_ignore_write_runtime_data($1_t) + +selinux_read_config($1_t) + +if (user_dmesg) { +kernel_read_ring_buffer($1_t) +} else { +kernel_ignore_read_ring_buffer($1_t) +} + +# Allow users to run TCP servers (bind to ports and accept connection from +# the same domain and outside users) disabling this forces FTP passive mode +# and may change other protocols +if (user_tcp_server) { +corenetwork_bind_tcp_on_general_port($1_t) +} + +# Need the following rule to allow users to run vpnc +optional_policy(`xserver.te', ` +corenetwork_bind_tcp_on_xserver_port($1_t) +') + +ifdef(`TODO',` + +dontaudit $1_t boot_t:lnk_file read; +dontaudit $1_t boot_t:file read; + +can_kerberos($1_t) + +# do not audit read on disk devices +dontaudit $1_t { removable_device_t fixed_disk_device_t }:blk_file read; + +ifdef(`xdm.te', ` +allow xdm_t $1_home_t:lnk_file read; +allow xdm_t $1_home_t:dir search; +# +# Changing this to dontaudit should cause the .xsession-errors file to be written to /tmp +# +dontaudit xdm_t $1_home_t:file rw_file_perms; +')dnl end ifdef xdm.te + +ifdef(`ftpd.te', ` +if (ftp_home_dir) { +file_type_auto_trans(ftpd_t, $1_home_dir_t, $1_home_t) +} +')dnl end ifdef ftpd + +if (read_default_t) { +allow $1 default_t:dir r_dir_perms; +allow $1 default_t:notdevfile_class_set r_file_perms; +} + +can_exec($1_t, usr_t) + +# Read directories and files with the readable_t type. +# This type is a general type for "world"-readable files. +allow $1_t readable_t:dir r_dir_perms; +allow $1_t readable_t:notdevfile_class_set r_file_perms; + +# Stat lost+found. +allow $1_t lost_found_t:dir getattr; + +# Read /var, /var/spool, /var/run. +allow $1_t var_t:dir r_dir_perms; +allow $1_t var_t:notdevfile_class_set r_file_perms; +allow $1_t var_spool_t:dir r_dir_perms; +allow $1_t var_spool_t:notdevfile_class_set r_file_perms; +allow $1_t var_run_t:dir r_dir_perms; +allow $1_t var_run_t:{ file lnk_file } r_file_perms; +allow $1_t var_lib_t:dir r_dir_perms; +allow $1_t var_lib_t:file { getattr read }; + +# for running depmod as part of the kernel packaging process +allow $1_t modules_conf_t:file { getattr read }; + +# Read man directories and files. +allow $1_t man_t:dir r_dir_perms; +allow $1_t man_t:notdevfile_class_set r_file_perms; + +# Allow users to rw usb devices +if (user_rw_usb) { +rw_dir_create_file($1_t,usbdevfs_t) +} else { +r_dir_file($1_t,usbdevfs_t) +} + +# Read /dev directories and any symbolic links. +allow $1_t device_t:dir r_dir_perms; +allow $1_t device_t:lnk_file r_file_perms; + +# Do not audit write denials to /etc/ld.so.cache. +dontaudit $1_t ld_so_cache_t:file write; + +dontaudit $1_t sysadm_home_t:file { read append }; + +ifdef(`syslogd.te', ` +# Some programs that are left in $1_t will try to connect +# to syslogd, but we do not want to let them generate log messages. +# Do not audit. +dontaudit $1_t devlog_t:sock_file { read write }; +dontaudit $1_t syslogd_t:unix_dgram_socket sendto; +') + +# Stop warnings about access to /dev/console +dontaudit $1_t init_t:fd use; +dontaudit $1_t initrc_t:fd use; +allow $1_t initrc_t:fifo_file write; +ifdef(`user_can_mount', ` +# +# Allow users to mount file systems like floppies and cdrom +# +mount_domain($1, $1_mount, `, fs_domain') +r_dir_file($1_t, mnt_t) +allow $1_mount_t device_t:lnk_file read; +allow $1_mount_t removable_device_t:blk_file read; +allow $1_mount_t iso9660_t:filesystem relabelfrom; +allow $1_mount_t removable_t:filesystem { mount relabelto }; +allow $1_mount_t removable_t:dir mounton; +ifdef(`xdm.te', ` +allow $1_mount_t xdm_t:fd use; +allow $1_mount_t xdm_t:fifo_file { read write }; +') +') + +') dnl end TODO +') diff --git a/refpolicy/policy/modules/system/userdomain.te b/refpolicy/policy/modules/system/userdomain.te new file mode 100644 index 0000000..01e92ac --- /dev/null +++ b/refpolicy/policy/modules/system/userdomain.te @@ -0,0 +1,79 @@ +# Copyright (C) 2005 Tresys Technology, LLC + +policy_module(userdomain,1.0) + +######################################## +# +# Declarations +# + +# The privhome attribute identifies every domain that can create files under +# regular user home directories in the regular context (IE act on behalf of +# a user in writing regular files) +attribute privhome; + +# all user domains +attribute userdomain; + +# unprivileged user domains +attribute unpriv_userdomain; + +# Allow execution of anonymous mappings, e.g. executable stack. +bool allow_execmem false; + +# Support Share libraries with Text Relocation +bool allow_execmod false; + +# Allow system to run with kerberos +bool allow_kerberos false; + +# Allow system to run with NIS +bool allow_ypbind false; + +# Allow reading of default_t files. +bool read_default_t false; + +# Allow staff_r users to search the sysadm home dir and read +# files (such as ~/.bashrc) +bool staff_read_sysadm_file false; + +# Support NFS home directories +bool use_nfs_home_dirs false; + +# Support SAMBA home directories +bool use_samba_home_dirs false; + +# Allow regular users direct mouse access +bool user_direct_mouse false; + +# Allow users to read system messages. +bool user_dmesg false; + +# Allow users to control network interfaces (also needs USERCTL=true) +bool user_net_control false; + +# Allow user to r/w noextattrfile (FAT, CDROM, FLOPPY) +bool user_rw_noexattrfile false; + +# Allow users to rw usb devices +bool user_rw_usb false; + +# Allow users to run TCP servers (bind to ports and accept connection from +# the same domain and outside users) disabling this forces FTP passive mode +# and may change other protocols +bool user_tcp_server false; + +# Allow w to display everyone +bool user_ttyfile_stat false; + +user_domain_template(staff) +user_domain_template(user) + +type sysadm_t; +domain_make_domain(sysadm_t) +per_userdomain_templates(sysadm) + +######################################## +# +# Local policy +#