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

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## <module name="corecommands">
## <summary>
## Core policy for shells, and generic programs
## in /bin, /sbin, /usr/bin, and /usr/sbin.
## </summary>
#######################################
#
# corecmd_shell_entry_type(domain)
#
interface(`corecmd_shell_entry_type',`
gen_require(`
type shell_exec_t;
')
domain_entry_file($1,shell_exec_t)
')
########################################
#
# corecmd_search_bin(domain)
#
interface(`corecmd_search_bin',`
gen_require(`
type bin_t;
class dir search;
')
allow $1 bin_t:dir search;
')
########################################
#
# corecmd_list_bin(domain)
#
interface(`corecmd_list_bin',`
gen_require(`
type bin_t;
class dir r_dir_perms;
')
allow $1 bin_t:dir r_dir_perms;
')
########################################
#
# corecmd_exec_bin(domain)
#
interface(`corecmd_exec_bin',`
gen_require(`
type bin_t;
class dir r_dir_perms;
class lnk_file r_file_perms;
')
allow $1 bin_t:dir r_dir_perms;
allow $1 bin_t:lnk_file r_file_perms;
can_exec($1,bin_t)
')
########################################
#
# corecmd_search_sbin(domain)
#
interface(`corecmd_search_sbin',`
gen_require(`
type sbin_t;
class dir search;
')
allow $1 sbin_t:dir search;
')
########################################
#
# corecmd_list_sbin(domain)
#
interface(`corecmd_list_sbin',`
gen_require(`
type sbin_t;
class dir r_dir_perms;
')
allow $1 sbin_t:dir r_dir_perms;
')
########################################
#
# corecmd_dontaudit_getattr_sbin_file(domain)
#
interface(`corecmd_dontaudit_getattr_sbin_file',`
gen_require(`
type sbin_t;
class file getattr;
')
allow $1 sbin_t:file getattr;
')
########################################
#
# corecmd_exec_sbin(domain)
#
interface(`corecmd_exec_sbin',`
gen_require(`
type sbin_t;
class dir r_dir_perms;
class lnk_file r_file_perms;
')
allow $1 sbin_t:dir r_dir_perms;
allow $1 sbin_t:lnk_file r_file_perms;
can_exec($1,sbin_t)
')
########################################
#
# corecmd_exec_shell(domain)
#
interface(`corecmd_exec_shell',`
gen_require(`
type bin_t, shell_exec_t;
class dir r_dir_perms;
class lnk_file r_file_perms;
')
allow $1 bin_t:dir r_dir_perms;
allow $1 bin_t:lnk_file r_file_perms;
can_exec($1,shell_exec_t)
')
########################################
#
# corecmd_exec_ls(domain)
#
interface(`corecmd_exec_ls',`
gen_require(`
type bin_t, ls_exec_t;
class dir r_dir_perms;
class lnk_file r_file_perms;
')
allow $1 bin_t:dir r_dir_perms;
allow $1 bin_t:lnk_file r_file_perms;
can_exec($1,ls_exec_t)
')
########################################
## <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>
#
interface(`corecmd_shell_spec_domtrans',`
gen_require(`
type bin_t, shell_exec_t;
class dir r_dir_perms;
class lnk_file r_file_perms;
class fd use;
class fifo_file rw_file_perms;
class process sigchld;
')
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;
')
########################################
## <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>
#
interface(`corecmd_domtrans_shell',`
gen_require(`
type shell_exec_t;
')
corecmd_shell_spec_domtrans($1,$2)
type_transition $1 shell_exec_t:process $2;
')
########################################
#
# corecmd_chroot_exec_chroot(domain)
#
interface(`corecmd_chroot_exec_chroot',`
gen_require(`
type chroot_exec_t;
class capability sys_chroot;
')
can_exec($1,chroot_exec_t)
allow $1 self:capability sys_chroot;
')
## </module>