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add initrc_su_t

This commit is contained in:
Chris PeBenito 2005-10-24 11:55:53 +00:00
parent 3d37bca18f
commit bb67633572
2 changed files with 96 additions and 8 deletions
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91
refpolicy/policy/modules/admin/su.if
View File

@ -1,5 +1,96 @@
## <summary>Run shells with substitute user and group</summary>
template(`su_restricted_domain_template', `
gen_require(`
type su_exec_t;
')
type $1_su_t;
domain_entry_file($1_su_t,su_exec_t)
domain_type($1_su_t)
domain_role_change_exempt($1_su_t)
domain_subj_id_change_exempt($1_su_t)
domain_obj_id_change_exempt($1_su_t)
domain_wide_inherit_fd($1_su_t)
role $3 types $1_su_t;
allow $2 $1_su_t:process signal;
allow $1_su_t self:capability { audit_control audit_write setuid setgid net_bind_service chown dac_override fowner sys_nice sys_resource };
dontaudit $1_su_t self:capability sys_tty_config;
allow $1_su_t self:process { setexec setsched setrlimit };
allow $1_su_t self:fifo_file rw_file_perms;
allow $1_su_t self:netlink_audit_socket { nlmsg_relay create_netlink_socket_perms };
# Transition from the user domain to this domain.
domain_auto_trans($2, su_exec_t, $1_su_t)
allow $2 $1_su_t:fd use;
allow $1_su_t $2:fd use;
allow $1_su_t $2:fifo_file rw_file_perms;
allow $1_su_t $2:process sigchld;
# By default, revert to the calling domain when a shell is executed.
corecmd_shell_domtrans($1_su_t,$2)
allow $2 $1_su_t:fd use;
allow $1_su_t $2:fd use;
allow $1_su_t $2:fifo_file rw_file_perms;
allow $1_su_t $2:process sigchld;
kernel_read_system_state($1_su_t)
kernel_read_kernel_sysctl($1_su_t)
# for SSP
dev_read_urand($1_su_t)
selinux_get_fs_mount($1_su_t)
selinux_validate_context($1_su_t)
selinux_compute_access_vector($1_su_t)
selinux_compute_create_context($1_su_t)
selinux_compute_relabel_context($1_su_t)
selinux_compute_user_contexts($1_su_t)
auth_domtrans_chk_passwd($1_su_t)
auth_dontaudit_read_shadow($1_su_t)
auth_use_nsswitch($1_su_t)
domain_wide_inherit_fd($1_su_t)
files_read_etc_files($1_su_t)
# Write to utmp.
init_rw_script_pid($1_su_t)
libs_use_ld_so($1_su_t)
libs_use_shared_libs($1_su_t)
logging_send_syslog_msg($1_su_t)
miscfiles_read_localization($1_su_t)
seutil_read_config($1_su_t)
seutil_read_default_contexts($1_su_t)
# Only allow transitions to unprivileged user domains.
userdom_spec_domtrans_unpriv_users($1_su_t)
optional_policy(`crond.te',`
cron_read_pipe($1_su_t)
')
optional_policy(`kerberos.te',`
kerberos_use($1_su_t)
')
optional_policy(`nscd.te',`
nscd_use_socket($1_su_t)
')
ifdef(`TODO',`
# Caused by su - init scripts
dontaudit $1_su_t initrc_devpts_t:chr_file { getattr ioctl };
') dnl end TODO
')
#######################################
## <summary>
## The per user domain template for the su module.

13
refpolicy/policy/modules/system/init.te
View File

@ -605,6 +605,11 @@ optional_policy(`ssh.te',`
ssh_dontaudit_read_server_keys(initrc_t)
')
# allow init scripts to su
optional_policy(`su.te',`
su_restricted_domain_template(initrc,initrc_t,system_r)
')
optional_policy(`sysnetwork.te',`
ifdef(`distro_redhat',`
sysnet_rw_dhcp_config(initrc_t)
@ -631,14 +636,6 @@ allow initrc_t ramfs_t:fifo_file write;
# during boot up initrc needs to do the following
allow initrc_t default_t:dir write;
#
# These rules are here to allow init scripts to su
#
optional_policy(`su.te', `
su_restricted_domain(initrc,system)
role system_r types initrc_su_t;
')
ifdef(`distro_redhat', `
# readahead asks for these
allow initrc_t var_lib_nfs_t:file r_file_perms;