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

## <module name="corecommands" layer="system">
## <summary>
##	Core policy for shells, and generic programs
##	in /bin, /sbin, /usr/bin, and /usr/sbin.
## </summary>

#######################################
#
# corecmd_shell_entry_type(domain)
#
define(`corecmd_shell_entry_type',`
	requires_block_template(`$0'_depend)

	domain_entry_file($1,shell_exec_t)
')

define(`corecmd_shell_entry_type_depend',`
	type shell_exec_t;
')

########################################
#
# corecmd_search_bin(domain)
#
define(`corecmd_search_bin',`
	requires_block_template(`$0'_depend)

	allow $1 bin_t:dir search;
')

define(`corecmd_search_bin_depend',`
	type bin_t;

	class dir search;
')

########################################
#
# corecmd_list_bin(domain)
#
define(`corecmd_list_bin',`
	requires_block_template(`$0'_depend)

	allow $1 bin_t:dir r_dir_perms;
')

define(`corecmd_list_bin_depend',`
	type bin_t;

	class dir r_dir_perms;
')

########################################
#
# corecmd_exec_bin(domain)
#
define(`corecmd_exec_bin',`
	requires_block_template(`$0'_depend)

	allow $1 bin_t:dir r_dir_perms;
	allow $1 bin_t:lnk_file r_file_perms;
	can_exec($1,bin_t)

')

define(`corecmd_exec_bin_depend',`
	type bin_t;

	class dir r_dir_perms;
	class lnk_file r_file_perms;
	class file { getattr read ioctl lock execute execute_no_trans };
')

########################################
#
# corecmd_search_sbin(domain)
#
define(`corecmd_search_sbin',`
	requires_block_template(`$0'_depend)

	allow $1 sbin_t:dir search;
')

define(`corecmd_search_sbin_depend',`
	type sbin_t;

	class dir search;
')

########################################
#
# corecmd_list_sbin(domain)
#
define(`corecmd_list_sbin',`
	requires_block_template(`$0'_depend)

	allow $1 sbin_t:dir r_dir_perms;
')

define(`corecmd_list_sbin_depend',`
	type sbin_t;

	class dir r_dir_perms;
')

########################################
#
# corecmd_dontaudit_getattr_sbin_file(domain)
#
define(`corecmd_dontaudit_getattr_sbin_file',`
	requires_block_template(`$0'_depend)

	allow $1 sbin_t:file getattr;
')

define(`corecmd_dontaudit_getattr_sbin_file_depend',`
	type sbin_t;

	class file getattr;
')

########################################
#
# corecmd_exec_sbin(domain)
#
define(`corecmd_exec_sbin',`
	requires_block_template(`$0'_depend)

	allow $1 sbin_t:dir r_dir_perms;
	allow $1 sbin_t:lnk_file r_file_perms;
	can_exec($1,sbin_t)

')

define(`corecmd_exec_sbin_depend',`
	type sbin_t;

	class dir r_dir_perms;
	class lnk_file r_file_perms;
	class file { getattr read ioctl lock execute execute_no_trans };
')

########################################
#
# corecmd_exec_shell(domain)
#
define(`corecmd_exec_shell',`
	requires_block_template(`$0'_depend)

	allow $1 bin_t:dir r_dir_perms;
	allow $1 bin_t:lnk_file r_file_perms;
	can_exec($1,shell_exec_t)
')

define(`corecmd_exec_shell_depend',`
	type bin_t, shell_exec_t;

	class dir r_dir_perms;
	class lnk_file r_file_perms;
	class file { getattr read lock ioctl execute execute_no_trans };
')

########################################
#
# corecmd_exec_ls(domain)
#
define(`corecmd_exec_ls',`
	requires_block_template(`$0'_depend)

	allow $1 bin_t:dir r_dir_perms;
	allow $1 bin_t:lnk_file r_file_perms;
	can_exec($1,ls_exec_t)
')

define(`corecmd_exec_shell_depend',`
	type bin_t, ls_exec_t;

	class dir r_dir_perms;
	class lnk_file r_file_perms;
	class file { getattr read lock ioctl execute execute_no_trans };
')

########################################
## <interface name="corecmd_shell_spec_domtrans">
##	<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>
## </interface>
#
define(`corecmd_shell_spec_domtrans',`
	requires_block_template(`$0'_depend)

	allow $1 bin_t:dir r_dir_perms;
	allow $1 bin_t:lnk_file r_file_perms;

	domain_trans($1,shell_exec_t,$2)

	allow $1 $2:fd use;
	allow $2 $1:fd use;
	allow $2 $1:fifo_file rw_file_perms;
	allow $2 $1:process sigchld;
')

define(`corecmd_shell_spec_domtrans_depend',`
	type bin_t, shell_exec_t;

	class dir r_dir_perms;
	class lnk_file r_file_perms;
	class file rx_file_perms
	class process { transition noatsecure siginh rlimitinh sigchld };
	class fd use;
	class fifo_file rw_file_perms;
')

########################################
## <interface name="corecmd_domtrans_shell">
##	<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>
## </interface>
#
define(`corecmd_domtrans_shell',`
	requires_block_template(`$0'_depend)

	corecmd_shell_spec_domtrans($1,$2)
	type_transition $1 shell_exec_t:process $2;
')

define(`corecmd_domtrans_shell_depend',`
	type shell_exec_t;
')

########################################
#
# corecmd_chroot_exec_chroot(domain)
#
define(`corecmd_chroot_exec_chroot',`
	requires_block_template(`$0'_depend)

	allow $1 chroot_exec_t:file { getattr read execute execute_no_trans };
	allow $1 self:capability sys_chroot;
')

define(`corecmd_chroot_exec_chroot_depend',`
	type chroot_exec_t;

	class file { getattr read execute execute_no_trans };
	class capability sys_chroot;
')

## </module>