# 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;
domain_make_domain(rpmbuild_t)

type rpmbuild_exec_t;
domain_make_entrypoint_file(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)
# ideally we would not need this
authlogin_manage_all_files_except_shadow(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 { 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
#

# cjp: this looks like dead policy.  nothing
# can transition to this domain, nor can it
# really do anything useful.

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