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authlogin.if
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authlogin.if
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## <summary>Common policy for authentication and user login.</summary>
########################################
## <summary>
## Role access for password authentication.
## </summary>
## <param name="role_prefix">
## <summary>
## The prefix of the user role (e.g., user
## is the prefix for user_r).
## </summary>
## </param>
## <param name="user_domain">
## <summary>
## User domain for the role.
## </summary>
## </param>
## <param name="user_exec_domain">
## <summary>
## User exec domain for execute and transition access.
## </summary>
## </param>
## <param name="role">
## <summary>
## Role allowed access
## </summary>
## </param>
#
template(`auth_role',`
gen_require(`
type chkpwd_t, chkpwd_exec_t, shadow_t;
')
role $4 types chkpwd_t;
# Transition from the user domain to this domain.
domtrans_pattern($2, chkpwd_exec_t, chkpwd_t)
ps_process_pattern($2, chkpwd_t)
dontaudit $2 shadow_t:file read_file_perms;
')
########################################
## <summary>
## Use PAM for authentication.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_use_pam',`
gen_require(`
attribute can_read_shadow_passwords, nsswitch_domain, pam_domain;
')
typeattribute $1 can_read_shadow_passwords, nsswitch_domain, pam_domain;
#
# due to the nested typeattributes:
#
auth_domtrans_chk_passwd($1)
optional_policy(`
dbus_system_bus_client($1)
fprintd_dbus_chat($1)
')
optional_policy(`
kerberos_manage_host_rcache($1)
kerberos_read_config($1)
')
')
########################################
## <summary>
## Use the pam module systemd during authentication.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_use_pam_systemd',`
dbus_system_bus_client($1)
systemd_connect_machined($1)
systemd_dbus_chat_logind($1)
')
########################################
## <summary>
## Use the pam module motd with dynamic support during authentication.
## This module comes from Ubuntu (https://bugs.launchpad.net/ubuntu/+source/pam/+bug/399071)
## and was added to Debian (https://sources.debian.org/src/pam/1.3.1-5/debian/patches-applied/update-motd/)
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_use_pam_motd_dynamic',`
gen_require(`
type pam_motd_runtime_t;
')
# Allow pam_motd to run /usr/bin/env and /usr/bin/dash to generate
# /run/motd.dynamic from motd.dynamic.new.
corecmd_exec_bin($1)
corecmd_exec_shell($1)
allow $1 pam_motd_runtime_t:file manage_file_perms;
files_runtime_filetrans($1, pam_motd_runtime_t, file, "motd.dynamic.new")
')
########################################
## <summary>
## Make the specified domain used for a login program.
## </summary>
## <param name="domain">
## <summary>
## Domain type used for a login program domain.
## </summary>
## </param>
#
interface(`auth_login_pgm_domain',`
gen_require(`
type var_auth_t, auth_cache_t;
')
domain_type($1)
domain_subj_id_change_exemption($1)
domain_role_change_exemption($1)
domain_obj_id_change_exemption($1)
role system_r types $1;
# Needed for pam_selinux_permit to cleanup properly
domain_read_all_domains_state($1)
domain_kill_all_domains($1)
# pam_keyring
allow $1 self:capability ipc_lock;
allow $1 self:process setkeycreate;
allow $1 self:key manage_key_perms;
files_list_var_lib($1)
manage_files_pattern($1, var_auth_t, var_auth_t)
manage_dirs_pattern($1, auth_cache_t, auth_cache_t)
manage_files_pattern($1, auth_cache_t, auth_cache_t)
manage_sock_files_pattern($1, auth_cache_t, auth_cache_t)
files_var_filetrans($1, auth_cache_t, dir)
# needed for afs - https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=253321
kernel_rw_afs_state($1)
# for fingerprint readers
dev_rw_input_dev($1)
dev_rw_generic_usb_dev($1)
files_read_etc_files($1)
fs_list_auto_mountpoints($1)
selinux_get_fs_mount($1)
selinux_validate_context($1)
selinux_compute_access_vector($1)
selinux_compute_create_context($1)
selinux_compute_relabel_context($1)
selinux_compute_user_contexts($1)
mls_file_read_all_levels($1)
mls_file_write_all_levels($1)
mls_file_upgrade($1)
mls_file_downgrade($1)
mls_process_set_level($1)
mls_fd_share_all_levels($1)
auth_use_pam($1)
init_rw_utmp($1)
logging_set_loginuid($1)
logging_set_tty_audit($1)
seutil_read_config($1)
seutil_read_default_contexts($1)
userdom_search_user_runtime($1)
userdom_read_user_tmpfs_files($1)
tunable_policy(`allow_polyinstantiation',`
files_polyinstantiate_all($1)
')
optional_policy(`
systemd_read_logind_state($1)
systemd_write_inherited_logind_sessions_pipes($1)
systemd_use_passwd_agent_fds($1)
')
')
########################################
## <summary>
## Use the login program as an entry point program.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_login_entry_type',`
gen_require(`
type login_exec_t;
')
domain_entry_file($1, login_exec_t)
')
########################################
## <summary>
## Execute a login_program in the target domain.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed to transition.
## </summary>
## </param>
## <param name="target_domain">
## <summary>
## The type of the login_program process.
## </summary>
## </param>
#
interface(`auth_domtrans_login_program',`
gen_require(`
type login_exec_t;
')
corecmd_search_bin($1)
domtrans_pattern($1, login_exec_t, $2)
')
########################################
## <summary>
## Execute a login_program in the target domain,
## with a range transition.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed to transition.
## </summary>
## </param>
## <param name="target_domain">
## <summary>
## The type of the login_program process.
## </summary>
## </param>
## <param name="range">
## <summary>
## Range of the login program.
## </summary>
## </param>
#
interface(`auth_ranged_domtrans_login_program',`
gen_require(`
type login_exec_t;
')
auth_domtrans_login_program($1, $2)
ifdef(`enable_mcs',`
range_transition $1 login_exec_t:process $3;
')
ifdef(`enable_mls',`
range_transition $1 login_exec_t:process $3;
')
')
########################################
## <summary>
## Search authentication cache
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_search_cache',`
gen_require(`
type auth_cache_t;
')
allow $1 auth_cache_t:dir search_dir_perms;
')
########################################
## <summary>
## Read authentication cache
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_read_cache',`
gen_require(`
type auth_cache_t;
')
read_files_pattern($1, auth_cache_t, auth_cache_t)
')
########################################
## <summary>
## Read/Write authentication cache
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_rw_cache',`
gen_require(`
type auth_cache_t;
')
rw_files_pattern($1, auth_cache_t, auth_cache_t)
')
########################################
## <summary>
## Manage authentication cache
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_manage_cache',`
gen_require(`
type auth_cache_t;
')
manage_dirs_pattern($1, auth_cache_t, auth_cache_t)
manage_files_pattern($1, auth_cache_t, auth_cache_t)
')
#######################################
## <summary>
## Automatic transition from cache_t to cache.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_var_filetrans_cache',`
gen_require(`
type auth_cache_t;
')
files_var_filetrans($1, auth_cache_t, { file dir } )
')
########################################
## <summary>
## Run unix_chkpwd to check a password.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed to transition.
## </summary>
## </param>
#
interface(`auth_domtrans_chk_passwd',`
gen_require(`
type chkpwd_t, chkpwd_exec_t, shadow_t;
type auth_cache_t;
')
allow $1 auth_cache_t:dir search_dir_perms;
corecmd_search_bin($1)
domtrans_pattern($1, chkpwd_exec_t, chkpwd_t)
dontaudit $1 shadow_t:file read_file_perms;
dev_read_rand($1)
dev_read_urand($1)
auth_use_nsswitch($1)
auth_rw_faillog($1)
logging_send_audit_msgs($1)
miscfiles_read_generic_certs($1)
optional_policy(`
kerberos_read_keytab($1)
')
optional_policy(`
pcscd_read_runtime_files($1)
pcscd_stream_connect($1)
')
')
########################################
## <summary>
## Run unix_chkpwd to check a password.
## Stripped down version to be called within boolean
## </summary>
## <param name="domain">
## <summary>
## Domain allowed to transition.
## </summary>
## </param>
#
interface(`auth_domtrans_chkpwd',`
refpolicywarn(`$0($*) has been deprecated, please use auth_domtrans_chk_passwd($1); auth_domtrans_upd_passwd($1) instead.')
auth_domtrans_chk_passwd($1)
auth_domtrans_upd_passwd($1)
')
########################################
## <summary>
## Execute chkpwd programs in the chkpwd domain.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed to transition.
## </summary>
## </param>
## <param name="role">
## <summary>
## The role to allow the chkpwd domain.
## </summary>
## </param>
#
interface(`auth_run_chk_passwd',`
gen_require(`
type chkpwd_t;
')
auth_domtrans_chk_passwd($1)
role $2 types chkpwd_t;
')
########################################
## <summary>
## Execute a domain transition to run unix_update.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed to transition.
## </summary>
## </param>
#
interface(`auth_domtrans_upd_passwd',`
gen_require(`
type updpwd_t, updpwd_exec_t;
')
domtrans_pattern($1, updpwd_exec_t, updpwd_t)
auth_dontaudit_read_shadow($1)
')
########################################
## <summary>
## Execute updpwd programs in the updpwd domain.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed to transition.
## </summary>
## </param>
## <param name="role">
## <summary>
## The role to allow the updpwd domain.
## </summary>
## </param>
#
interface(`auth_run_upd_passwd',`
gen_require(`
type updpwd_t;
')
auth_domtrans_upd_passwd($1)
role $2 types updpwd_t;
')
########################################
## <summary>
## Get the attributes of the shadow passwords file.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_getattr_shadow',`
gen_require(`
type shadow_t;
')
files_search_etc($1)
allow $1 shadow_t:file getattr;
')
########################################
## <summary>
## Do not audit attempts to get the attributes
## of the shadow passwords file.
## </summary>
## <param name="domain">
## <summary>
## Domain to not audit.
## </summary>
## </param>
#
interface(`auth_dontaudit_getattr_shadow',`
gen_require(`
type shadow_t;
')
dontaudit $1 shadow_t:file getattr;
')
########################################
## <summary>
## Read the shadow passwords file (/etc/shadow)
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
# cjp: these next three interfaces are split
# since typeattribute does not work in conditionals
# yet, otherwise they should be one interface.
#
interface(`auth_read_shadow',`
auth_can_read_shadow_passwords($1)
auth_tunable_read_shadow($1)
')
########################################
## <summary>
## Map the shadow passwords file (/etc/shadow)
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_map_shadow',`
gen_require(`
type shadow_t;
')
allow $1 shadow_t:file map;
')
########################################
## <summary>
## Pass shadow assertion for reading.
## </summary>
## <desc>
## <p>
## Pass shadow assertion for reading.
## This should only be used with
## auth_tunable_read_shadow(), and
## only exists because typeattribute
## does not work in conditionals.
## </p>
## </desc>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_can_read_shadow_passwords',`
gen_require(`
attribute can_read_shadow_passwords;
')
typeattribute $1 can_read_shadow_passwords;
')
########################################
## <summary>
## Read the shadow password file.
## </summary>
## <desc>
## <p>
## Read the shadow password file. This
## should only be used in a conditional;
## it does not pass the reading shadow
## assertion.
## </p>
## </desc>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_tunable_read_shadow',`
gen_require(`
type shadow_t;
')
files_list_etc($1)
allow $1 shadow_t:file read_file_perms;
')
########################################
## <summary>
## Do not audit attempts to read the shadow
## password file (/etc/shadow).
## </summary>
## <param name="domain">
## <summary>
## Domain to not audit.
## </summary>
## </param>
#
interface(`auth_dontaudit_read_shadow',`
gen_require(`
type shadow_t;
')
dontaudit $1 shadow_t:file read_file_perms;
')
########################################
## <summary>
## Read and write the shadow password file (/etc/shadow).
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_rw_shadow',`
gen_require(`
attribute can_read_shadow_passwords, can_write_shadow_passwords;
type shadow_t;
')
files_list_etc($1)
auth_rw_shadow_lock($1)
allow $1 shadow_t:file rw_file_perms;
typeattribute $1 can_read_shadow_passwords, can_write_shadow_passwords;
')
########################################
## <summary>
## Create, read, write, and delete the shadow
## password file.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_manage_shadow',`
gen_require(`
attribute can_read_shadow_passwords, can_write_shadow_passwords;
type shadow_t;
')
auth_rw_shadow_lock($1)
allow $1 shadow_t:file manage_file_perms;
typeattribute $1 can_read_shadow_passwords, can_write_shadow_passwords;
')
#######################################
## <summary>
## Automatic transition from etc to shadow.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <param name="name" optional="true">
## <summary>
## The name of the object being created.
## </summary>
## </param>
#
interface(`auth_etc_filetrans_shadow',`
gen_require(`
type shadow_t;
')
files_etc_filetrans($1, shadow_t, file, $2)
')
#######################################
## <summary>
## Relabel to the shadow
## password file type.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_relabelto_shadow',`
gen_require(`
attribute can_relabelto_shadow_passwords;
type shadow_t;
')
files_search_etc($1)
allow $1 shadow_t:file relabelto;
typeattribute $1 can_relabelto_shadow_passwords;
')
#######################################
## <summary>
## Relabel from and to the shadow
## password file type.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_relabel_shadow',`
gen_require(`
attribute can_relabelto_shadow_passwords;
type shadow_t;
')
files_search_etc($1)
allow $1 shadow_t:file relabel_file_perms;
typeattribute $1 can_relabelto_shadow_passwords;
')
########################################
## <summary>
## Read/Write shadow lock files.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_rw_shadow_lock',`
gen_require(`
type shadow_lock_t;
')
rw_files_pattern($1, shadow_lock_t, shadow_lock_t)
')
#######################################
## <summary>
## Append to the login failure log.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_append_faillog',`
gen_require(`
type faillog_t;
')
logging_search_logs($1)
allow $1 faillog_t:file append_file_perms;
')
########################################
## <summary>
## Create fail log lock (in /run/faillock).
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_create_faillog_files',`
gen_require(`
type faillog_t;
')
create_files_pattern($1, faillog_t, faillog_t)
')
########################################
## <summary>
## Read and write the login failure log.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_rw_faillog',`
gen_require(`
type faillog_t;
')
logging_search_logs($1)
allow $1 faillog_t:file rw_file_perms;
')
########################################
## <summary>
## Manage the login failure logs.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_manage_faillog',`
gen_require(`
type faillog_t;
')
allow $1 faillog_t:file manage_file_perms;
logging_rw_generic_log_dirs($1)
')
########################################
## <summary>
## Setattr the login failure logs.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_setattr_faillog_files',`
gen_require(`
type faillog_t;
')
setattr_files_pattern($1, faillog_t, faillog_t)
')
#######################################
## <summary>
## Read the last logins log.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <rolecap/>
#
interface(`auth_read_lastlog',`
gen_require(`
type lastlog_t;
')
logging_search_logs($1)
allow $1 lastlog_t:file read_file_perms;
')
#######################################
## <summary>
## Append only to the last logins log.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_append_lastlog',`
gen_require(`
type lastlog_t;
')
logging_search_logs($1)
allow $1 lastlog_t:file { append_file_perms lock };
')
#######################################
## <summary>
## relabel the last logins log.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_relabel_lastlog',`
gen_require(`
type lastlog_t;
')
logging_search_logs($1)
allow $1 lastlog_t:file relabel_file_perms;
')
#######################################
## <summary>
## Read and write to the last logins log.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_rw_lastlog',`
gen_require(`
type lastlog_t;
')
logging_search_logs($1)
allow $1 lastlog_t:file { rw_file_perms lock setattr };
')
########################################
## <summary>
## Manage the last logins log.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_manage_lastlog',`
gen_require(`
type lastlog_t;
')
allow $1 lastlog_t:file manage_file_perms;
logging_rw_generic_log_dirs($1)
')
########################################
## <summary>
## Execute pam programs in the pam domain.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed to transition.
## </summary>
## </param>
#
interface(`auth_domtrans_pam',`
gen_require(`
type pam_t, pam_exec_t;
')
domtrans_pattern($1, pam_exec_t, pam_t)
')
########################################
## <summary>
## Send generic signals to pam processes.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`auth_signal_pam',`