## <summary>System initialization programs (init and init scripts).</summary>

########################################

## <summary>

##	Create a domain which can be started by init.

## </summary>

## <param name="domain">

##	Type to be used as a domain.

## </param>

## <param name="entry_point">

##	Type of the program to be used as an entry point to this domain.

## </param>

#

interface(`init_domain',`

	gen_require(`

		type init_t;

		role system_r;

		class fd use;

		class fifo_file rw_file_perms;

		class process sigchld;

	')

	domain_type($1)

	domain_entry_file($1,$2)

	role system_r types $1;

	domain_auto_trans(init_t,$2,$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_dontaudit_read_root_file($1)

	')

')

########################################

## <summary>

##	Create a domain for long running processes

##	(daemons) which can be started by init scripts.

## </summary>

## <param name="domain">

##	Type to be used as a domain.

## </param>

## <param name="entry_point">

##	Type of the program to be used as an entry point to this domain.

## </param>

#

interface(`init_daemon_domain',`

	gen_require(`

		attribute direct_run_init, direct_init, direct_init_entry;

		type initrc_t;

		role system_r;

		class fifo_file rw_file_perms;

		class fd use;

		class process { noatsecure siginh rlimitinh sigchld };

	')

	domain_type($1)

	domain_entry_file($1,$2)

	role system_r types $1;

	domain_auto_trans(initrc_t,$2,$1)

	allow initrc_t $1:fd use;

	allow initrc_t $1:process { noatsecure siginh rlimitinh };

	allow $1 initrc_t:fd use;

	allow $1 initrc_t:fifo_file rw_file_perms;

	allow $1 initrc_t:process sigchld;

	ifdef(`direct_sysadm_daemon',`

		domain_auto_trans(direct_run_init,$2,$1)

		allow direct_run_init $1:fd use;

		allow direct_run_init $1:process { noatsecure siginh rlimitinh };

		allow $1 direct_run_init:fd use;

		allow $1 direct_run_init:fifo_file rw_file_perms;

		allow $1 direct_run_init:process sigchld;

		typeattribute $1 direct_init;

		typeattribute $2 direct_init_entry;

	')

	# Red Hat systems seem to have a stray

	# fd open from the initrd

	optional_policy(`distro_redhat',`

		kernel_dontaudit_use_fd($1)

		files_dontaudit_read_root_file($1)

	')

')

########################################

## <summary>

##	Create a domain for short running processes

##	which can be started by init scripts.

## </summary>

## <param name="domain">

##	Type to be used as a domain.

## </param>

## <param name="entry_point">

##	Type of the program to be used as an entry point to this domain.

## </param>

#

interface(`init_system_domain',`

	gen_require(`

		type initrc_t;

		role system_r;

		class fd use;

		class fifo_file rw_file_perms;

		class process sigchld;

	')

	domain_type($1)

	domain_entry_file($1,$2)

	role system_r types $1;

	domain_auto_trans(initrc_t,$2,$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_dontaudit_read_root_file($1)

	')

')

########################################

#

# init_domtrans(domain)

#

interface(`init_domtrans',`

	gen_require(`

		type init_t, init_exec_t;

		class process sigchld;

		class fd use;

		class fifo_file rw_file_perms;

	')

	domain_auto_trans($1,init_exec_t,init_t)

	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;

')

########################################

#

# init_get_process_group(domain)

#

interface(`init_get_process_group',`

	gen_require(`

		type init_t;

		class process getpgid;

	')

	allow $1 init_t:process getpgid;

')

########################################

#

# init_getattr_initctl(domain)

#

interface(`init_getattr_initctl',`

	gen_require(`

		type initctl_t;

		class fifo_file getattr;

	')

	allow $1 initctl_t:fifo_file getattr;

')

########################################

#

# init_dontaudit_getattr_initctl(domain)

#

interface(`init_dontaudit_getattr_initctl',`

	gen_require(`

		type initctl_t;

		class fifo_file getattr;

	')

	dontaudit $1 initctl_t:fifo_file getattr;

')

########################################

#

# init_write_initctl(domain)

#

interface(`init_write_initctl',`

	gen_require(`

		type initctl_t;

		class fifo_file write;

	')

	dev_list_all_dev_nodes($1)

	allow $1 initctl_t:fifo_file write;

')

########################################

#

# init_use_initctl(domain)

#

interface(`init_use_initctl',`

	gen_require(`

		type initctl_t;

		class fifo_file rw_file_perms;

	')

	dev_list_all_dev_nodes($1)

	allow $1 initctl_t:fifo_file rw_file_perms;

')

########################################

#

# init_dontaudit_use_initctl(domain)

#

interface(`init_dontaudit_use_initctl',`

	gen_require(`

		type initctl_t;

		class fifo_file { read write };

	')

	dontaudit $1 initctl_t:fifo_file { read write };

')

########################################

#

# init_sigchld(domain)

#

interface(`init_sigchld',`

	gen_require(`

		type init_t;

		class process sigchld;

	')

	allow $1 init_t:process sigchld;

')

########################################

#

# init_use_fd(domain)

#

interface(`init_use_fd',`

	gen_require(`

		type init_t;

		class fd use;

	')

	allow $1 init_t:fd use;

')

########################################

#

# init_dontaudit_use_fd(domain)

#

interface(`init_dontaudit_use_fd',`

	gen_require(`

		type init_t;

		class fd use;

	')

	dontaudit $1 init_t:fd use;

')

########################################

#

# init_domtrans_script(domain)

#

interface(`init_domtrans_script',`

	gen_require(`

		type initrc_t, initrc_exec_t;

		class process sigchld;

		class fd use;

		class fifo_file rw_file_perms;

	')

	files_list_etc($1)

	domain_auto_trans($1,initrc_exec_t,initrc_t)

	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;

')

########################################

## <desc>

##	Start and stop daemon programs directly.

## </desc>

## <param name="domain">

##	The type of the process performing this action.

## </param>

## <param name="role">

##	The role to be performing this action.

## </param>

## <param name="terminal">

##	The type of the terminal of the user.

## </param>

#

interface(`init_run_daemon',`

	gen_require(`

		attribute direct_run_init, direct_init, direct_init_entry;

		role system_r;

		class chr_file rw_file_perms;

	')

	typeattribute $1 direct_run_init;

	role_transition $2 direct_init_entry system_r;

	dontaudit direct_init $3:chr_file rw_file_perms;

')

########################################

#

# init_exec_script(domain)

#

interface(`init_exec_script',`

	gen_require(`

		type initrc_exec_t;

	')

	files_list_etc($1)

	can_exec($1,initrc_exec_t)

')

########################################

## <summary>

##	Read the process state (/proc/pid) of the init scripts.

## </summary>

## <param name="domain">

##	The type of the process performing this action.

## </param>

#

interface(`init_read_script_process_state',`

	gen_require(`

		type initrc_t;

		class dir r_dir_perms;

		class file r_file_perms;

		class lnk_file r_file_perms;

		class process { getattr ptrace };

	')

	#FIXME: search proc dir

	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;

')

########################################

#

# init_use_script_fd(domain)

#

interface(`init_use_script_fd',`

	gen_require(`

		type initrc_t;

		class fd use;

	')

	allow $1 initrc_t:fd use;

')

########################################

#

# init_dontaudit_use_script_fd(domain)

#

interface(`init_dontaudit_use_script_fd',`

	gen_require(`

		type initrc_t;

		class fd use;

	')

	dontaudit $1 initrc_t:fd use;

')

########################################

#

# init_get_script_process_group(domain)

#

interface(`init_get_script_process_group',`

	gen_require(`

		type initrc_t;

		class process getpgid;

	')

	allow $1 initrc_t:process getpgid;

')

########################################

## <summary>

##	Read and write init script unnamed pipes.

## </summary>

## <param name="domain">

##	The type of the process performing this action.

## </param>

#

interface(`init_rw_script_pipe',`

	gen_require(`

		type initrc_t;

		class chr_file { read write };

	')

	allow $1 initrc_t:fifo_file { read write };

')

########################################

## <summary>

##	Send UDP network traffic to init scripts.

## </summary>

## <param name="domain">

##	The type of the process performing this action.

## </param>

#

interface(`init_udp_sendto_script',`

	gen_require(`

		type initrc_t;

		class udp_socket { sendto recvfrom };

	')

	allow $1 initrc_t:udp_socket sendto;

	allow initrc_t $1:udp_socket recvfrom;

')

########################################

#

# init_use_script_pty(domain)

#

interface(`init_use_script_pty',`

	gen_require(`

		type initrc_devpts_t;

		class chr_file rw_term_perms;

	')

	term_list_ptys($1)

	allow $1 initrc_devpts_t:chr_file rw_term_perms;

')

########################################

#

# init_dontaudit_use_script_pty(domain)

#

interface(`init_dontaudit_use_script_pty',`

	gen_require(`

		type initrc_devpts_t;

		class chr_file { read write ioctl };

	')

	dontaudit $1 initrc_devpts_t:chr_file { read write ioctl };

')

########################################

## <summary>

##	Read and write init script temporary data.

## </summary>

## <param name="domain">

##	The type of the process performing this action.

## </param>

#

interface(`init_rw_script_tmp_files',`

	gen_require(`

		type initrc_var_run_t;

		class file rw_file_perms;

	')

	# FIXME: read tmp_t dir

	allow $1 initrc_tmp_t:file rw_file_perms;

')

########################################

#

# init_read_script_pid(domain)

#

interface(`init_read_script_pid',`

	gen_require(`

		type initrc_var_run_t;

		class file r_file_perms;

	')

	files_list_pids($1)

	allow $1 initrc_var_run_t:file r_file_perms;

')

########################################

#

# init_dontaudit_write_script_pid(domain)

#

interface(`init_dontaudit_write_script_pid',`

	gen_require(`

		type initrc_var_run_t;

		class file { write lock };

	')

	dontaudit $1 initrc_var_run_t:file { write lock };

')

########################################

#

# init_rw_script_pid(domain)

#

interface(`init_rw_script_pid',`

	gen_require(`

		type initrc_var_run_t;

		class file rw_file_perms;

	')

	files_list_pids($1)

	allow $1 initrc_var_run_t:file rw_file_perms;

')

########################################

#

# init_dontaudit_rw_script_pid(domain)

#

interface(`init_dontaudit_rw_script_pid',`

	gen_require(`

		type initrc_var_run_t;

		class file rw_file_perms;

	')

	dontaudit $1 initrc_var_run_t:file { getattr read write append };

')