diff --git a/refpolicy/policy/modules/admin/rpm.if b/refpolicy/policy/modules/admin/rpm.if new file mode 100644 index 00000000..9d3925e4 --- /dev/null +++ b/refpolicy/policy/modules/admin/rpm.if @@ -0,0 +1,120 @@ +# Copyright (C) 2005 Tresys Technology, LLC +## +## Policy for the RPM package manager. + +######################################## +## +## +## Execute rpm programs in the rpm domain. +## +## +## The type of the process performing this action. +## +## +## +# +define(`rpm_transition',` +requires_block_template(`$0'_depend) +allow $1 rpm_exec_t:file { getattr read execute }; +allow $1 rpm_t:process transition; +type_transition $1 rpm_exec_t:file rpm_t; +dontaudit $1 rpm_t:process { noatsecure siginh rlimitinh }; +') + +define(`rpm_transition_depend',` +type rpm_t, rpm_exec_t; +class file { getattr read execute }; +class process { transition noatsecure siginh rlimitinh }; +') + +######################################## +## +## +## Execute rpm programs in the rpm domain. +## +## +## The type of the process performing this action. +## +## +## The role to allow the rpm domain. +## +## +## The type of the terminal allow the RPM domain to use. +## +## +## +# +define(`rpm_transition_add_role_use_terminal',` +requires_block_template(`$0'_depend) +rpm_transition($1) +role $2 types rpm_t; +role $2 types rpm_script_t; +allow rpm_t $3:chr_file { getattr read write ioctl }; +') + +define(`rpm_transition_add_role_use_terminal_depend',` +type rpm_t, rpm_script_t; +class chr_file { getattr read write ioctl }; +') + +######################################## +## +## +## Inherit and use file descriptors from RPM. +## +## +## The type of the process performing this action. +## +## +## +# +define(`rpm_use_file_descriptors',` +requires_block_template(`$0'_depend) +allow $1 rpm_t:fd use; +') + +define(`rpm_use_file_descriptors_depend',` +type rpm_t; +class fd use; +') + +######################################## +## +## +## Read from a RPM pipe. +## +## +## The type of the process performing this action. +## +## +## +# +define(`rpm_read_pipe',` +requires_block_template(`$0'_depend) +allow $1 rpm_t:fifo_file { getattr read }; +') + +define(`rpm_read_pipe_depend',` +type rpm_t; +class fifo_file { getattr read }; +') + +######################################## +# +# rpm_read_library_state(domain) +# +define(`rpm_read_library_state',` +requires_block_template(`$0'_depend) +allow $1 rpm_var_lib_t:dir { getattr read search }; +allow $1 rpm_var_lib_t:file { read getattr }; +allow $1 rpm_var_lib_t:lnk_file { getattr read }; +') + +define(`kernel_read_system_state_depend',` +type proc_t; +class dir { search getattr read }; +class lnk_file { getattr read }; +class file { getattr read }; +') + +## diff --git a/refpolicy/policy/modules/admin/rpm.te b/refpolicy/policy/modules/admin/rpm.te new file mode 100644 index 00000000..98034315 --- /dev/null +++ b/refpolicy/policy/modules/admin/rpm.te @@ -0,0 +1,403 @@ +# Copyright (C) 2005 Tresys Technology, LLC + +policy_module(rpm,1.0) + +######################################## +# +# Declarations +# + +type rpm_t; #, admin, privmem, priv_system_role; +type rpm_exec_t; +init_make_system_domain(rpm_t,rpm_exec_t) +kernel_make_object_identity_change_constraint_exception(rpm_t) +domain_make_file_descriptors_widely_inheritable(rpm_t) +role system_r types rpm_t; + +type rpm_file_t; +files_make_file(rpm_file_t) + +type rpm_tmp_t; +files_make_temporary_file(rpm_tmp_t) + +type rpm_tmpfs_t; +files_make_tmpfs_file(rpm_tmpfs_t) + +type rpm_log_t; +logging_make_log_file(rpm_log_t) + +type rpm_var_lib_t; +files_make_file(rpm_var_lib_t) +typealias rpm_var_lib_t alias var_lib_rpm_t; + +type rpm_script_t; #, admin, privmem, priv_system_role; +type rpm_script_exec_t; +kernel_make_object_identity_change_constraint_exception(rpm_script_t) +corecommands_make_shell_entrypoint(rpm_script_t) +domain_make_domain(rpm_script_t) +domain_make_entrypoint_file(rpm_t,rpm_script_t) +domain_make_file_descriptors_widely_inheritable(rpm_script_t) +role system_r types rpm_script_t; + +type rpm_script_tmp_t; +files_make_temporary_file(rpm_script_tmp_t) + +type rpm_script_tmpfs_t; +files_make_tmpfs_file(rpm_script_tmpfs_t) + +type rpmbuild_t; +type rpmbuild_exec_t; +init_make_system_domain(rpmbuild_t,rpmbuild_exec_t) + +######################################## +# +# rpm Local policy +# + +allow rpm_t self:capability { chown dac_override fowner fsetid setgid setuid net_bind_service sys_chroot sys_tty_config mknod }; +allow rpm_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem dyntransition }; +allow rpm_t self:process { getattr setexec setfscreate setrlimit }; +allow rpm_t self:fd use; +allow rpm_t self:fifo_file { read getattr lock ioctl write append }; +allow rpm_t self:unix_dgram_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown }; +allow rpm_t self:unix_stream_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown listen accept }; +allow rpm_t self:unix_dgram_socket sendto; +allow rpm_t self:unix_stream_socket connectto; +allow rpm_t self:udp_socket { connect }; +allow rpm_t self:udp_socket { create ioctl read getattr write setattr append bind getopt setopt shutdown }; +allow rpm_t self:tcp_socket { listen accept create connect ioctl read getattr write setattr append bind getopt setopt shutdown }; +allow rpm_t self:shm { associate getattr setattr create destroy read write lock unix_read unix_write }; +allow rpm_t self:sem { associate getattr setattr create destroy read write unix_read unix_write }; +allow rpm_t self:msgq { associate getattr setattr create destroy read write enqueue unix_read unix_write }; +allow rpm_t self:msg { send receive }; +allow rpm_t self:dir search; +allow rpm_t self:file { getattr read write }; + +allow rpm_t rpm_log_t:file { create ioctl read getattr lock write setattr append link unlink rename }; +logging_create_private_log(rpm_t,rpm_log_t) + +allow rpm_t rpm_tmp_t:dir { create read getattr lock setattr ioctl link unlink rename search add_name remove_name reparent write rmdir }; +allow rpm_t rpm_tmp_t:file { create ioctl read getattr lock write setattr append link unlink rename }; +files_create_private_tmp_data(rpm_t, rpm_tmp_t, { file dir }) + +allow rpm_t rpm_tmpfs_t:dir { read getattr lock search ioctl add_name remove_name write }; +allow rpm_t rpm_tmpfs_t:file { create ioctl read getattr lock write setattr append link unlink rename }; +allow rpm_t rpm_tmpfs_t:lnk_file { create read getattr setattr link unlink rename }; +allow rpm_t rpm_tmpfs_t:sock_file { create ioctl read getattr lock write setattr append link unlink rename }; +allow rpm_t rpm_tmpfs_t:fifo_file { create ioctl read getattr lock write setattr append link unlink rename }; +filesystem_create_private_tmpfs_data(rpm_t,rpm_tmpfs_t,{ dir file lnk_file sock_file fifo_file }) + +# Access /var/lib/rpm files +allow rpm_t rpm_var_lib_t:file { create ioctl read getattr lock write setattr append link unlink rename }; +allow rpm_t rpm_var_lib_t:dir { read getattr lock search ioctl add_name remove_name write }; +#files_create_private_libraries(rpm_t,rpm_var_lib_t,dir) + +kernel_read_system_state(rpm_t) +kernel_read_kernel_sysctl(rpm_t) +kernel_get_selinuxfs_mount_point(rpm_t) +kernel_validate_selinux_context(rpm_t) +kernel_compute_selinux_access_vector(rpm_t) +kernel_compute_selinux_create_context(rpm_t) +kernel_compute_selinux_relabel_context(rpm_t) +kernel_compute_selinux_reachable_user_contexts(rpm_t) + +corenetwork_network_tcp_on_all_interfaces(rpm_t) +corenetwork_network_raw_on_all_interfaces(rpm_t) +corenetwork_network_udp_on_all_interfaces(rpm_t) +corenetwork_network_tcp_on_all_nodes(rpm_t) +corenetwork_network_raw_on_all_nodes(rpm_t) +corenetwork_network_udp_on_all_nodes(rpm_t) +corenetwork_network_tcp_on_all_ports(rpm_t) +corenetwork_network_udp_on_all_ports(rpm_t) +corenetwork_bind_tcp_on_all_nodes(rpm_t) +corenetwork_bind_udp_on_all_nodes(rpm_t) + +devices_get_pseudorandom_data(rpm_t) +#devices_manage_all_device_types(rpm_t) + +#filesystem_manage_nfs_dir(rpm_t) +#filesystem_manage_nfs_files(rpm_t) +filesystem_get_all_filesystems_attributes(rpm_t) + +storage_raw_write_fixed_disk(rpm_t) +# for installing kernel packages +storage_raw_read_fixed_disk(rpm_t) + +terminal_list_pseudoterminals(rpm_t) + +authlogin_ignore_read_shadow_passwords(rpm_t) + +corecommands_execute_general_programs(rpm_t) +corecommands_execute_system_programs(rpm_t) +corecommands_shell_transition(rpm_t,rpm_script_t) + +domain_execute_all_entrypoint_programs(rpm_t) +domain_read_all_domains_process_state(rpm_t) +domain_use_widely_inheritable_file_descriptors(rpm_t) + +files_execute_system_config_script(rpm_t) + +init_script_transition(rpm_t) + +libraries_use_dynamic_loader(rpm_t) +libraries_use_shared_libraries(rpm_t) +libraries_execute_dynamic_loader(rpm_t) +libraries_execute_library_scripts(rpm_t) +libraries_ldconfig_transition(rpm_t) + +logging_send_system_log_message(rpm_t) + +# allow compiling and loading new policy +selinux_manage_source_policy(rpm_t) +selinux_manage_binary_policy(rpm_t) + +sysnetwork_read_network_config(rpm_t) + +userdomain_use_all_unprivileged_users_file_descriptors(rpm_t) + +#cron_transition_from(rpm,rpm_exec_t) + +ifdef(`TODO',` + +type_transition rpm_t tmpfs_t:{ dir file lnk_file sock_file fifo_file } rpm_tmpfs_t; + +dontaudit rpm_t domain:process ptrace; + +# read/write/create any files in the system +allow rpm_t { file_type -shadow_t }:{ file lnk_file dir fifo_file sock_file } { relabelfrom relabelto }; +allow rpm_t { file_type - shadow_t }:dir { create read getattr lock setattr ioctl link unlink rename search add_name remove_name reparent write rmdir }; +allow rpm_t { file_type - shadow_t }:{ file lnk_file fifo_file sock_file } { create ioctl read getattr lock write setattr append link unlink rename }; +dontaudit rpm_t domain:{ socket unix_dgram_socket udp_socket unix_stream_socket tcp_socket fifo_file rawip_socket packet_socket } getattr; +allow rpm_t ttyfile:chr_file unlink; + +# needs rw permission to the directory for an rpm package that includes a mount +# point +allow rpm_t fs_type:dir { setattr rw_dir_perms }; + +allow rpm_t mount_t:tcp_socket write; +allow rpm_t nfs_t:lnk_file { create read getattr setattr link unlink rename }; + +allow rpm_t sysfs_t:dir { read getattr lock search ioctl }; +allow rpm_t usbdevfs_t:dir { read getattr lock search ioctl }; + +allow rpm_t rpc_pipefs_t:dir search; + +can_ypbind(rpm_t) + +optional_policy(`gnome-pty-helper.te', ` +allow rpm_t sysadm_gph_t:fd use; +') + +optional_policy(`automount.te', ` +allow rpm_t autofs_t:dir { search getattr }; +') + +optional_policy(`mount.te', ` +allow rpm_t mount_t:udp_socket rw_socket_perms; +') + +# for kernel package installation +optional_policy(`mount.te', ` +allow mount_t rpm_t:fifo_file rw_file_perms; +') + +# Commonly used from postinst scripts +optional_policy(`consoletype.te', ` +allow consoletype_t rpm_t:fifo_file r_file_perms; +') +optional_policy(`crond.te', ` +allow crond_t rpm_t:fifo_file r_file_perms; +') + +') dnl endif TODO + +######################################## +# +# rpm-script Local policy +# + +allow rpm_script_t self:capability { chown dac_override dac_read_search fowner fsetid setgid setuid ipc_lock sys_chroot sys_nice mknod kill }; +allow rpm_script_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem dyntransition }; +allow rpm_script_t self:fd use; +allow rpm_script_t self:fifo_file { read getattr lock ioctl write append }; +allow rpm_script_t self:unix_dgram_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown }; +allow rpm_script_t self:unix_stream_socket { create ioctl read getattr write setattr append bind connect getopt setopt shutdown listen accept }; +allow rpm_script_t self:unix_dgram_socket sendto; +allow rpm_script_t self:unix_stream_socket connectto; +allow rpm_script_t self:shm { associate getattr setattr create destroy read write lock unix_read unix_write }; +allow rpm_script_t self:sem { associate getattr setattr create destroy read write unix_read unix_write }; +allow rpm_script_t self:msgq { associate getattr setattr create destroy read write enqueue unix_read unix_write }; +allow rpm_script_t self:msg { send receive }; + +allow rpm_script_t rpm_tmp_t:file { getattr read ioctl }; + +allow rpm_script_t rpm_script_tmp_t:dir mounton; +allow rpm_script_t rpm_script_tmp_t:dir { create read getattr lock setattr ioctl link unlink rename search add_name remove_name reparent write rmdir }; +allow rpm_script_t rpm_script_tmp_t:file { create ioctl read getattr lock write setattr append link unlink rename }; +files_create_private_tmp_data(rpm_script_t, rpm_script_tmp_t, { file dir }) + +allow rpm_script_t rpm_script_tmpfs_t:dir { read getattr lock search ioctl add_name remove_name write }; +allow rpm_script_t rpm_script_tmpfs_t:file { create ioctl read getattr lock write setattr append link unlink rename }; +allow rpm_script_t rpm_script_tmpfs_t:lnk_file { create read getattr setattr link unlink rename }; +allow rpm_script_t rpm_script_tmpfs_t:sock_file { create ioctl read getattr lock write setattr append link unlink rename }; +allow rpm_script_t rpm_script_tmpfs_t:fifo_file { create ioctl read getattr lock write setattr append link unlink rename }; +filesystem_create_private_tmpfs_data(rpm_script_t,rpm_script_tmpfs_t,{ dir file lnk_file sock_file fifo_file }) + +kernel_read_kernel_sysctl(rpm_script_t) +kernel_get_selinuxfs_mount_point(rpm_script_t) +kernel_validate_selinux_context(rpm_script_t) +kernel_compute_selinux_access_vector(rpm_script_t) +kernel_compute_selinux_create_context(rpm_script_t) +kernel_compute_selinux_relabel_context(rpm_script_t) +kernel_compute_selinux_reachable_user_contexts(rpm_script_t) +kernel_read_system_state(rpm_script_t) + +filesystem_manage_nfs_files(rpm_script_t) +filesystem_get_nfs_filesystem_attributes(rpm_script_t) +# why is this not using mount? +filesystem_get_persistent_filesystem_attributes(rpm_script_t) +filesystem_mount_persistent_filesystem(rpm_script_t) +filesystem_unmount_persistent_filesystem(rpm_script_t) + +storage_raw_read_fixed_disk(rpm_script_t) +storage_raw_write_fixed_disk(rpm_script_t) + +terminal_get_general_physical_terminal_attributes(rpm_script_t) +terminal_list_pseudoterminals(rpm_script_t) + +authlogin_ignore_get_shadow_passwords_attributes(rpm_script_t) + +corecommands_execute_general_programs(rpm_script_t) +corecommands_execute_system_programs(rpm_script_t) + +domain_use_widely_inheritable_file_descriptors(rpm_script_t) +domain_execute_all_entrypoint_programs(rpm_script_t) +domain_signal_all_domains(rpm_script_t) +domain_signull_all_domains(rpm_script_t) + +files_execute_system_config_script(rpm_script_t) +files_read_runtime_system_config(rpm_script_t) + +init_script_transition(rpm_script_t) + +libraries_use_dynamic_loader(rpm_script_t) +libraries_use_shared_libraries(rpm_script_t) +libraries_execute_dynamic_loader(rpm_script_t) +libraries_execute_library_scripts(rpm_script_t) +libraries_ldconfig_transition(rpm_script_t) + +logging_send_system_log_message(rpm_script_t) + +miscfiles_read_localization(rpm_script_t) + +modutils_depmod_transition(rpm_script_t) +modutils_insmod_transition(rpm_script_t) + +selinux_load_policy_transition(rpm_script_t) +selinux_restorecon_transition(rpm_script_t) + +userdomain_use_all_users_file_descriptors(rpm_script_t) + +optional_policy(`bootloader.te', ` +bootloader_transition(rpm_script_t) +') + +ifdef(`TODO',` + +allow rpm_script_t sysfs_t:dir r_dir_perms; + +# ideally we would not need this +allow rpm_script_t { file_type - shadow_t }:dir { create read getattr lock setattr ioctl link unlink rename search add_name remove_name reparent write rmdir }; +allow rpm_script_t { file_type - shadow_t }:{ file lnk_file fifo_file sock_file } { create ioctl read getattr lock write setattr append link unlink rename }; +allow rpm_script_t { device_t device_type }:{ chr_file blk_file } { create ioctl read getattr lock write setattr append link unlink rename }; + +allow rpm_script_t usr_t:file { getattr read execute execute_no_trans }; + +allow rpm_script_t autofs_t:dir { search getattr }; + +can_ypbind(rpm_script_t) + +allow rpm_script_t domain:dir { search getattr read }; +allow rpm_script_t domain:{ file lnk_file } { read getattr }; +allow rpm_script_t domain:process getattr; +# We need to suppress this denial because procps tries to access +# /proc/pid/environ and this now triggers a ptrace check in recent kernels +# (2.4 and 2.6). Might want to change procps to not do this, or only if +# running in a privileged domain. +dontaudit rpm_script_t domain:process ptrace; + +optional_policy(`automount.te', ` +allow rpm_script_t autofs_t:dir { search getattr }; +') + +optional_policy(`lpd.te', ` +allow rpm_script_t printconf_t:file { getattr read execute execute_no_trans }; +') + +optional_policy(`ssh.te', ` +allow sshd_t rpm_script_t:fd use; +') + +') dnl end TODO + +######################################## +# +# rpm-build Local policy +# + +kernel_get_selinuxfs_mount_point(rpmbuild_t) +kernel_validate_selinux_context(rpmbuild_t) +kernel_compute_selinux_access_vector(rpmbuild_t) +kernel_compute_selinux_create_context(rpmbuild_t) +kernel_compute_selinux_relabel_context(rpmbuild_t) +kernel_compute_selinux_reachable_user_contexts(rpmbuild_t) + +selinux_read_source_policy(rpmbuild_t) + +ifdef(`TODO',` + +allow userdomain var_lib_t:dir { getattr search }; + +allow { insmod_t depmod_t } rpm_t:fifo_file { getattr read write append ioctl lock }; + +optional_policy(`cups.te', ` +allow cupsd_t rpm_var_lib_t:dir { getattr read search }; +allow cupsd_t rpm_var_lib_t:file { read getattr }; +allow cupsd_t rpb_var_lib_t:lnk_file { getattr read }; +allow cupsd_t initrc_exec_t:file { getattr read }; +domain_auto_trans(rpm_script_t, cupsd_exec_t, cupsd_t) +') + +optional_policy(`ssh-agent.te', ` +domain_auto_trans(rpm_script_t, ssh_agent_exec_t, sysadm_ssh_agent_t) +') + +optional_policy(`useradd.te', ` +domain_auto_trans(rpm_script_t, useradd_exec_t, useradd_t) +domain_auto_trans(rpm_script_t, groupadd_exec_t, groupadd_t) +role system_r types { useradd_t groupadd_t }; +allow { useradd_t groupadd_t } rpm_t:fd use; +allow { useradd_t groupadd_t } rpm_t:fifo_file { read write }; +') + +optional_policy(`bootloader.te',` +allow bootloader_t rpm_t:fifo_file rw_file_perms; +') + +optional_policy(`prelink.te', ` +domain_auto_trans(rpm_t, prelink_exec_t, prelink_t) +') + +ifdef(`hide_broken_symptoms', ` +optional_policy(`pamconsole.te', ` +domain_trans(rpm_t, pam_console_exec_t, rpm_script_t) +') +') + +ifdef(`unlimitedRPM', ` +typeattribute rpm_t auth_write; +unconfined_domain(rpm_t) +typeattribute rpm_script_t auth_write; +unconfined_domain(rpm_script_t) +') +') dnl end TODO