## <module name="corecommands" layer="system">

## <summary>

##	Core policy for shells, and generic programs

##	in /bin, /sbin, /usr/bin, and /usr/sbin.

## </summary>

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

#

# corecommands_make_shell_entrypoint(domain)

#

define(`corecommands_make_shell_entrypoint',`

requires_block_template(`$0'_depend)

domain_make_entrypoint_file($1,shell_exec_t)

')

define(`corecommands_make_shell_entrypoint_depend',`

type shell_exec_t;

')

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

#

# corecommands_search_general_programs_directory(domain)

#

define(`corecommands_search_general_programs_directory',`

requires_block_template(`$0'_depend)

allow $1 bin_t:dir search;

')

define(`corecommands_search_general_programs_directory_depend',`

type bin_t;

class dir search;

')

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

#

# corecommands_read_general_programs_directory(domain)

#

define(`corecommands_read_general_programs_directory',`

requires_block_template(`$0'_depend)

allow $1 bin_t:dir { getattr search read };

')

define(`corecommands_read_general_programs_directory_depend',`

type bin_t;

class dir { getattr search read };

')

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

#

# corecommands_execute_general_programs(domain)

#

define(`corecommands_execute_general_programs',`

requires_block_template(`$0'_depend)

allow $1 bin_t:dir { getattr search read };

allow $1 bin_t:lnk_file { getattr read };

allow $1 bin_t:file { getattr read ioctl lock execute execute_no_trans };

')

define(`corecommands_execute_general_programs_depend',`

type bin_t;

class dir { getattr search read };

class lnk_file { getattr read };

class file { getattr read ioctl lock execute execute_no_trans };

')

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

#

# corecommands_search_system_programs_directory(domain)

#

define(`corecommands_search_system_programs_directory',`

requires_block_template(`$0'_depend)

allow $1 sbin_t:dir search;

')

define(`corecommands_search_system_programs_directory_depend',`

type sbin_t;

class dir search;

')

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

#

# corecommands_read_system_programs_directory(domain)

#

define(`corecommands_read_system_programs_directory',`

requires_block_template(`$0'_depend)

allow $1 sbin_t:dir r_dir_perms;

')

define(`corecommands_read_system_programs_directory_depend',`

type sbin_t;

class dir r_dir_perms;

')

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

#

# corecommands_ignore_get_system_programs_attributes(domain)

#

define(`corecommands_ignore_get_system_programs_attributes',`

requires_block_template(`$0'_depend)

allow $1 sbin_t:file getattr;

')

define(`corecommands_ignore_get_system_programs_attributes_depend',`

type sbin_t;

class file getattr;

')

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

#

# corecommands_execute_system_programs(domain)

#

define(`corecommands_execute_system_programs',`

requires_block_template(`$0'_depend)

allow $1 sbin_t:dir { getattr search read };

allow $1 sbin_t:lnk_file { getattr read };

allow $1 sbin_t:file { getattr read ioctl lock execute execute_no_trans };

')

define(`corecommands_execute_system_programs_depend',`

type sbin_t;

class dir { getattr search read };

class lnk_file { getattr read };

class file { getattr read ioctl lock execute execute_no_trans };

')

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

#

# corecommands_execute_shell(domain)

#

define(`corecommands_execute_shell',`

requires_block_template(`$0'_depend)

allow $1 bin_t:dir r_dir_perms;

allow $1 bin_t:lnk_file { getattr read };

allow $1 shell_exec_t:file { getattr read lock ioctl execute execute_no_trans };

')

define(`corecommands_execute_shell_depend',`

type bin_t, shell_exec_t;

class dir r_dir_perms;

class lnk_file { getattr read };

class file { getattr read lock ioctl execute execute_no_trans };

')

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

#

# corecommands_execute_ls(domain)

#

define(`corecommands_execute_ls',`

requires_block_template(`$0'_depend)

allow $1 bin_t:dir r_dir_perms;

allow $1 bin_t:lnk_file { getattr read };

allow $1 ls_exec_t:file { getattr read lock ioctl execute execute_no_trans };

')

define(`corecommands_execute_shell_depend',`

type bin_t, ls_exec_t;

class dir r_dir_perms;

class lnk_file { getattr read };

class file { getattr read lock ioctl execute execute_no_trans };

')

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

## <interface name="corecommands_shell_explicit_transition">

##	<description>

##		Execute a shell in the target domain.  This

##		is an explicit transition, requiring the

##		caller to use setexeccon().

##	</description>

##	<parameter name="domain">

##		The type of the process performing this action.

##	</parameter>

##	<parameter name="target_domain">

##		The type of the shell process.

##	</parameter>

##	<infoflow type="write" weight="10"/>

## </interface>

#

define(`corecommands_shell_explicit_transition',`

requires_block_template(`$0'_depend)

allow $1 bin_t:dir { getattr search read };

allow $1 bin_t:lnk_file { getattr read };

allow $1 shell_exec_t:file { getattr read execute };

allow $1 $2:process transition;

dontaudit $1 $2:process { noatsecure siginh rlimitinh };

allow $1 $2:fd use;

allow $2 $1:fd use;

allow $2 $1:fifo_file rw_file_perms;

allow $2 $1:process sigchld;

')

define(`corecommands_shell_explicit_transition_depend',`

type bin_t, shell_exec_t;

class dir { getattr search read };

class lnk_file { getattr read };

class file { getattr read execute };

class process { transition noatsecure siginh rlimitinh sigchld };

class fd use;

class fifo_file rw_file_perms;

')

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

## <interface name="corecommands_shell_transition">

##	<description>

##		Execute a shell in the target domain.

##	</description>

##	<parameter name="domain">

##		The type of the process performing this action.

##	</parameter>

##	<parameter name="target_domain">

##		The type of the shell process.

##	</parameter>

##	<infoflow type="write" weight="10"/>

## </interface>

#

define(`corecommands_shell_transition',`

requires_block_template(`$0'_depend)

corecommands_shell_explicit_transition($1,$2)

type_transition $1 shell_exec_t:process $2;

')

define(`corecommands_shell_transition_depend',`

type shell_exec_t;

')

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

#

# corecommands_chroot(domain)

#

define(`corecommands_chroot',`

requires_block_template(`$0'_depend)

allow $1 chroot_exec_t:file { getattr read execute execute_no_trans };

# could go to a generic chroot priv:

allow $1 self:capability sys_chroot;

')

define(`corecommands_chroot_depend',`

type chroot_exec_t;

class file { getattr read execute execute_no_trans };

class capability sys_chroot;

')

## </module>