selinux-refpolicy/refpolicy/policy/modules/system/init.if

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## <module name="init" layer="system">
## <summary>System initialization programs (init and init scripts).</summary>
########################################
#
# init_make_init_domain(domain,entrypointfile)
#
define(`init_make_init_domain',`
requires_block_template(`$0'_depend)
domain_make_domain($1)
domain_make_entrypoint_file($1,$2)
role system_r types $1;
allow init_t $1:process transition;
allow init_t $2:file rx_file_perms;
dontaudit init_t $1:process { noatsecure siginh rlimitinh };
type_transition init_t $2:process $1;
allow $1 init_t:fd use;
allow init_t $1:fd use;
allow $1 init_t:fifo_file rw_file_perms;
allow $1 init_t:process sigchld;
# Red Hat systems seem to have a stray
# fd open from the initrd
optional_policy(`distro_redhat',`
kernel_dontaudit_use_fd($1)
files_ignore_read_rootfs_file($1)
')
')
define(`init_make_init_domain_depend',`
type init_t;
class file rx_file_perms;
class fd use;
class fifo_file rw_file_perms;
class process { transition noatsecure siginh rlimitinh sigchld };
role system_r;
')
########################################
#
# init_make_daemon_domain(domain,entrypointfile)
#
define(`init_make_daemon_domain',`
requires_block_template(`$0'_depend)
domain_make_domain($1)
domain_make_entrypoint_file($1,$2)
role system_r types $1;
allow initrc_t $1:process transition;
allow initrc_t $2:file rx_file_perms;
dontaudit initrc_t $1:process { noatsecure siginh rlimitinh };
type_transition initrc_t $2:process $1;
allow initrc_t $1:fd use;
allow $1 initrc_t:fd use;
allow $1 initrc_t:fifo_file rw_file_perms;
allow $1 initrc_t:process sigchld;
# Red Hat systems seem to have a stray
# fd open from the initrd
optional_policy(`distro_redhat',`
kernel_dontaudit_use_fd($1)
files_ignore_read_rootfs_file($1)
')
')
define(`init_make_daemon_domain_depend',`
type initrc_t;
role system_r;
class file rx_file_perms;
class fifo_file rw_file_perms;
class fd use;
class process { transition noatsecure siginh rlimitinh sigchld };
')
########################################
#
# init_make_system_domain(domain,entrypointfile)
#
define(`init_make_system_domain',`
requires_block_template(`$0'_depend)
domain_make_domain($1)
domain_make_entrypoint_file($1,$2)
role system_r types $1;
allow initrc_t $1:process transition;
allow initrc_t $2:file rx_file_perms;
dontaudit initrc_t $1:process { noatsecure siginh rlimitinh };
type_transition initrc_t $2:process $1;
allow initrc_t $1:fd use;
allow $1 initrc_t:fd use;
allow $1 initrc_t:fifo_file rw_file_perms;
allow $1 initrc_t:process sigchld;
# Red Hat systems seem to have a stray
# fd open from the initrd
optional_policy(`distro_redhat',`
kernel_dontaudit_use_fd($1)
files_ignore_read_rootfs_file($1)
')
')
define(`init_make_system_domain_depend',`
type initrc_t;
role system_r;
class file rx_file_perms;
class fd use;
class fifo_file rw_file_perms;
class process { transition noatsecure siginh rlimitinh sigchld };
')
########################################
#
# init_transition(domain)
#
define(`init_transition',`
requires_block_template(`$0'_depend)
allow $1 init_exec_t:file rx_file_perms;
allow $1 init_t:process transition;
type_transition $1 init_exec_t:process init_t;
dontaudit $1 init_t:process { noatsecure siginh rlimitinh };
allow $1 init_t:fd use;
allow init_t $1:fd use;
allow init_t $1:fifo_file rw_file_perms;
allow init_t $1:process sigchld;
')
define(`init_transition_depend',`
type init_t, init_exec_t;
class file rx_file_perms;
class process { transition noatsecure siginh rlimitinh sigchld };
class fd use;
class fifo_file rw_file_perms;
')
########################################
#
# init_get_process_group(domain)
#
define(`init_get_process_group',`
requires_block_template(`$0'_depend)
allow $1 init_t:process getpgid;
')
define(`init_get_process_group_depend',`
type init_t;
class process getpgid;
')
########################################
#
# init_get_control_channel_attributes(domain)
#
define(`init_get_control_channel_attributes',`
requires_block_template(`$0'_depend)
allow $1 initctl_t:fifo_file getattr;
')
define(`init_get_control_channel_attributes_depend',`
type initctl_t;
class fifo_file getattr;
')
########################################
#
# init_ignore_get_control_channel_attributes(domain)
#
define(`init_ignore_get_control_channel_attributes',`
requires_block_template(`$0'_depend)
dontaudit $1 initctl_t:fifo_file getattr;
')
define(`init_get_control_channel_attributes_depend',`
type initctl_t;
class fifo_file getattr;
')
########################################
#
# init_use_control_channel(domain)
#
define(`init_use_control_channel',`
requires_block_template(`$0'_depend)
dev_list_all_dev_nodes($1)
allow $1 initctl_t:fifo_file rw_file_perms;
')
define(`init_use_control_channel_depend',`
type initctl_t;
class fifo_file rw_file_perms;
')
########################################
#
# init_ignore_use_control_channel(domain)
#
define(`init_ignore_use_control_channel',`
requires_block_template(`$0'_depend)
dontaudit $1 initctl_t:fifo_file { read write };
')
define(`init_ignore_use_control_channel_depend',`
type initctl_t;
class fifo_file { read write };
')
########################################
#
# init_sigchld(domain)
#
define(`init_sigchld',`
requires_block_template(`$0'_depend)
allow $1 init_t:process sigchld;
')
define(`init_sigchld_depend',`
type init_t;
class process sigchld;
')
########################################
#
# init_use_file_descriptors(domain)
#
define(`init_use_file_descriptors',`
requires_block_template(`$0'_depend)
allow $1 init_t:fd use;
')
define(`init_use_file_descriptors_depend',`
type init_t;
class fd use;
')
########################################
#
# init_ignore_use_file_descriptors(domain)
#
define(`init_ignore_use_file_descriptors',`
requires_block_template(`$0'_depend)
dontaudit $1 init_t:fd use;
')
define(`init_ignore_use_file_descriptors_depend',`
type init_t;
class fd use;
')
########################################
#
# init_script_transition(domain)
#
define(`init_script_transition',`
requires_block_template(`$0'_depend)
allow $1 initrc_exec_t:file rx_file_perms;
allow $1 initrc_t:process transition;
type_transition $1 initrc_exec_t:process init_t;
dontaudit $1 init_t:process { noatsecure siginh rlimitinh };
allow $1 initrc_t:fd use;
allow initrc_t $1:fd use;
allow initrc_t $1:fifo_file rw_file_perms;
allow initrc_t $1:process sigchld;
')
define(`init_script_transition_depend',`
type initrc_t, initrc_exec_t;
class file rx_file_perms;
class process { transition noatsecure siginh rlimitinh sigchld };
class fd use;
class fifo_file rw_file_perms;
')
########################################
#
# init_script_execute(domain)
#
define(`init_script_execute',`
requires_block_template(`$0'_depend)
can_exec($1,initrc_exec_t)
')
define(`init_script_execute_depend',`
type initrc_exec_t;
class file { getattr read execute execute_no_trans };
')
########################################
## <interface name="init_script_read_process_state">
## <description>
## Read the process state (/proc/pid) of the init scripts.
## </description>
## <parameter name="domain">
## The type of the process performing this action.
## </parameter>
## </interface>
#
define(`init_script_read_process_state',`
requires_block_template(`$0'_depend)
allow $1 initrc_t:dir r_dir_perms;
allow $1 initrc_t:{ file lnk_file } r_file_perms;
allow $1 initrc_t: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 $1 initrc_t:process ptrace;
')
define(`init_script_read_process_state_depend',`
type initrc_t;
class dir r_dir_perms;
class file r_file_perms;
class lnk_file r_file_perms;
class process { getattr ptrace };
')
########################################
#
# init_script_use_file_descriptors(domain)
#
define(`init_script_use_file_descriptors',`
requires_block_template(`$0'_depend)
allow $1 initrc_t:fd use;
')
define(`init_script_use_file_descriptors_depend',`
type initrc_t;
class fd use;
')
########################################
#
# init_script_ignore_use_file_descriptors(domain)
#
define(`init_script_ignore_use_file_descriptors',`
requires_block_template(`$0'_depend)
dontaudit $1 initrc_t:fd use;
')
define(`init_script_ignore_use_file_descriptors_depend',`
type initrc_t;
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)
term_list_ptys($1)
allow $1 initrc_devpts_t:chr_file { getattr read write ioctl };
')
define(`init_script_use_pseudoterminal_depend',`
type initrc_devpts_t;
class chr_file { getattr read write ioctl };
')
########################################
#
# init_script_ignore_use_pseudoterminal(domain)
#
define(`init_script_ignore_use_pseudoterminal',`
requires_block_template(`$0'_depend)
dontaudit $1 initrc_devpts_t:chr_file { read write ioctl };
')
define(`init_script_ignore_use_pseudoterminal_depend',`
type initrc_devpts_t;
class chr_file { read write ioctl };
')
########################################
## <interface name="init_script_modify_temporary_data">
## <description>
## Read and write init script temporary data.
## </description>
## <parameter name="domain">
## The type of the process performing this action.
## </parameter>
## </interface>
#
define(`init_script_modify_temporary_data',`
requires_block_template(`$0'_depend)
# FIXME: read tmp_t
allow $1 initrc_tmp_t:file rw_file_perms;
')
define(`init_script_modify_temporary_data_depend',`
type initrc_var_run_t;
class file rw_file_perms;
')
########################################
#
# init_script_read_runtime_data(domain)
#
define(`init_script_read_runtime_data',`
requires_block_template(`$0'_depend)
files_read_runtime_data_directory($1)
allow $1 initrc_var_run_t:file r_file_perms;
')
define(`init_script_read_runtime_data_depend',`
type initrc_var_run_t;
class file r_file_perms;
')
########################################
#
# init_script_ignore_write_runtime_data(domain)
#
define(`init_script_ignore_write_runtime_data',`
requires_block_template(`$0'_depend)
dontaudit $1 initrc_var_run_t:file { write lock };
')
define(`init_script_ignore_write_runtime_data_depend',`
type initrc_var_run_t;
class file { write lock };
')
########################################
#
# init_script_modify_runtime_data(domain)
#
define(`init_script_modify_runtime_data',`
requires_block_template(`$0'_depend)
files_read_runtime_data_directory($1)
allow $1 initrc_var_run_t:file rw_file_perms;
')
define(`init_script_modify_runtime_data_depend',`
type initrc_var_run_t;
class file rw_file_perms;
')
########################################
#
# init_script_ignore_modify_runtime_data(domain)
#
define(`init_script_ignore_modify_runtime_data',`
requires_block_template(`$0'_depend)
dontaudit $1 initrc_var_run_t:file { getattr read write append };
')
define(`init_script_ignore_modify_runtime_data_depend',`
type initrc_var_run_t;
class file rw_file_perms;
')
## </module>