selinux-refpolicy/refpolicy/policy/modules/admin/usermanage.te

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policy_module(usermanage,1.0)
########################################
#
# Declarations
#
type admin_passwd_exec_t;
files_type(admin_passwd_exec_t)
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type chfn_t;
domain_obj_id_change_exempt(chfn_t)
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domain_type(chfn_t)
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role system_r types chfn_t;
type chfn_exec_t;
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domain_entry_file(chfn_t,chfn_exec_t)
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type crack_t;
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domain_type(crack_t)
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role system_r types crack_t;
type crack_exec_t;
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domain_entry_file(crack_t,crack_exec_t)
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type crack_db_t;
files_config_file(crack_db_t)
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type crack_tmp_t;
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files_tmp_file(crack_tmp_t)
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type groupadd_t;
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type groupadd_exec_t;
domain_obj_id_change_exempt(groupadd_t)
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init_system_domain(groupadd_t,groupadd_exec_t)
role system_r types groupadd_t;
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type passwd_t;
domain_obj_id_change_exempt(passwd_t)
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domain_type(passwd_t)
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role system_r types passwd_t;
type passwd_exec_t;
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domain_entry_file(passwd_t,passwd_exec_t)
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type sysadm_passwd_t;
domain_obj_id_change_exempt(sysadm_passwd_t)
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domain_type(sysadm_passwd_t)
domain_entry_file(sysadm_passwd_t,admin_passwd_exec_t)
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role system_r types sysadm_passwd_t;
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type sysadm_passwd_tmp_t;
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files_tmp_file(sysadm_passwd_tmp_t)
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type useradd_t;
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type useradd_exec_t;
domain_obj_id_change_exempt(useradd_t)
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init_system_domain(useradd_t,useradd_exec_t)
role system_r types useradd_t;
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########################################
#
# Chfn local policy
#
allow chfn_t self:capability { chown dac_override fsetid setuid setgid sys_resource };
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allow chfn_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem execheap execstack };
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allow chfn_t self:process { setrlimit setfscreate };
allow chfn_t self:fd use;
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allow chfn_t self:fifo_file rw_file_perms;
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allow chfn_t self:sock_file r_file_perms;
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allow chfn_t self:shm create_shm_perms;
allow chfn_t self:sem create_sem_perms;
allow chfn_t self:msgq create_msgq_perms;
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allow chfn_t self:msg { send receive };
allow chfn_t self:unix_dgram_socket create_socket_perms;
allow chfn_t self:unix_stream_socket create_stream_socket_perms;
allow chfn_t self:unix_dgram_socket sendto;
allow chfn_t self:unix_stream_socket connectto;
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kernel_read_system_state(chfn_t)
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kernel_read_kernel_sysctl(chfn_t)
selinux_get_fs_mount(chfn_t)
selinux_validate_context(chfn_t)
selinux_compute_access_vector(chfn_t)
selinux_compute_create_context(chfn_t)
selinux_compute_relabel_context(chfn_t)
selinux_compute_user_contexts(chfn_t)
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term_use_all_user_ttys(chfn_t)
term_use_all_user_ptys(chfn_t)
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fs_getattr_xattr_fs(chfn_t)
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fs_search_auto_mountpoints(chfn_t)
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# for SSP
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dev_read_urand(chfn_t)
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auth_domtrans_chk_passwd(chfn_t)
auth_dontaudit_read_shadow(chfn_t)
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# can exec /sbin/unix_chkpwd
corecmd_search_bin(chfn_t)
corecmd_search_sbin(chfn_t)
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# allow checking if a shell is executable
corecmd_check_exec_shell(chfn_t)
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domain_use_wide_inherit_fd(chfn_t)
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files_manage_etc_files(chfn_t)
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files_read_etc_runtime_files(chfn_t)
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files_dontaudit_search_var(chfn_t)
# /usr/bin/passwd asks for w access to utmp, but it will operate
# correctly without it. Do not audit write denials to utmp.
init_dontaudit_rw_script_pid(chfn_t)
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libs_use_ld_so(chfn_t)
libs_use_shared_libs(chfn_t)
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miscfiles_read_localization(chfn_t)
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logging_send_syslog_msg(chfn_t)
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# uses unix_chkpwd for checking passwords
seutil_dontaudit_search_config(chfn_t)
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userdom_use_unpriv_users_fd(chfn_t)
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# user generally runs this from their home directory, so do not audit a search
# on user home dir
userdom_dontaudit_search_all_users_home(chfn_t)
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optional_policy(`nis',`
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nis_use_ypbind(chfn_t)
')
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ifdef(`TODO',`
ifdef(`gnome-pty-helper.te', `allow chfn_t gphdomain:fd use;')
') dnl endif TODO
########################################
#
# Crack local policy
#
allow crack_t self:process { sigkill sigstop signull signal };
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allow crack_t self:fifo_file rw_file_perms;
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allow crack_t crack_db_t:dir rw_dir_perms;
allow crack_t crack_db_t:file create_file_perms;
allow crack_t crack_db_t:lnk_file create_file_perms;
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files_search_var(crack_t)
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allow crack_t crack_tmp_t:dir create_dir_perms;
allow crack_t crack_tmp_t:file create_file_perms;
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files_create_tmp_files(crack_t, crack_tmp_t, { file dir })
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kernel_read_system_state(crack_t)
# for SSP
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dev_read_urand(crack_t)
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fs_getattr_xattr_fs(crack_t)
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files_read_etc_files(crack_t)
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files_read_etc_runtime_files(crack_t)
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# for dictionaries
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files_read_usr_files(crack_t)
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corecmd_exec_bin(crack_t)
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libs_use_ld_so(crack_t)
libs_use_shared_libs(crack_t)
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logging_send_syslog_msg(crack_t)
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userdom_dontaudit_search_sysadm_home_dir(crack_t)
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optional_policy(`cron',`
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cron_system_entry(crack_t,crack_exec_t)
')
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########################################
#
# Groupadd local policy
#
allow groupadd_t self:capability { dac_override chown kill setuid sys_resource };
dontaudit groupadd_t self:capability fsetid;
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allow groupadd_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem execheap execstack };
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allow groupadd_t self:process { setrlimit setfscreate };
allow groupadd_t self:fd use;
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allow groupadd_t self:fifo_file rw_file_perms;
allow groupadd_t self:shm create_shm_perms;
allow groupadd_t self:sem create_sem_perms;
allow groupadd_t self:msgq create_msgq_perms;
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allow groupadd_t self:msg { send receive };
allow groupadd_t self:unix_dgram_socket create_socket_perms;
allow groupadd_t self:unix_stream_socket create_stream_socket_perms;
allow groupadd_t self:unix_dgram_socket sendto;
allow groupadd_t self:unix_stream_socket connectto;
allow groupadd_t self:netlink_audit_socket { create_socket_perms nlmsg_relay };
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fs_getattr_xattr_fs(groupadd_t)
fs_search_auto_mountpoints(groupadd_t)
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# Allow access to context for shadow file
selinux_get_fs_mount(groupadd_t)
selinux_validate_context(groupadd_t)
selinux_compute_access_vector(groupadd_t)
selinux_compute_create_context(groupadd_t)
selinux_compute_relabel_context(groupadd_t)
selinux_compute_user_contexts(groupadd_t)
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term_use_all_user_ttys(groupadd_t)
term_use_all_user_ptys(groupadd_t)
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init_use_fd(groupadd_t)
init_read_script_pid(groupadd_t)
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init_dontaudit_write_script_pid(groupadd_t)
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domain_use_wide_inherit_fd(groupadd_t)
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files_manage_etc_files(groupadd_t)
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libs_use_ld_so(groupadd_t)
libs_use_shared_libs(groupadd_t)
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# Execute /usr/bin/{passwd,chfn,chsh} and /usr/sbin/{useradd,vipw}.
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corecmd_exec_bin(groupadd_t)
corecmd_exec_sbin(groupadd_t)
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logging_send_syslog_msg(groupadd_t)
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miscfiles_read_localization(groupadd_t)
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auth_manage_shadow(groupadd_t)
auth_rw_lastlog(groupadd_t)
auth_use_nsswitch(groupadd_t)
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seutil_read_config(groupadd_t)
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userdom_use_unpriv_users_fd(groupadd_t)
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# for when /root is the cwd
userdom_dontaudit_search_sysadm_home_dir(groupadd_t)
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optional_policy(`nis',`
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nis_use_ypbind(groupadd_t)
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')
optional_policy(`nscd',`
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nscd_use_socket(groupadd_t)
')
optional_policy(`rpm',`
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rpm_use_fd(groupadd_t)
rpm_rw_pipe(groupadd_t)
')
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ifdef(`TODO',`
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# Update /etc/shadow and /etc/passwd
allow groupadd_t { etc_t shadow_t }:file { relabelfrom relabelto };
# Access terminals.
ifdef(`gnome-pty-helper.te', `allow groupadd_t gphdomain:fd use;')
') dnl end TODO
########################################
#
# Passwd local policy
#
allow passwd_t self:capability { chown dac_override fsetid setuid setgid sys_resource };
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allow passwd_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem execstack execheap };
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allow passwd_t self:process { setrlimit setfscreate };
allow passwd_t self:fd use;
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allow passwd_t self:fifo_file rw_file_perms;
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allow passwd_t self:sock_file r_file_perms;
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allow passwd_t self:unix_dgram_socket create_socket_perms;
allow passwd_t self:unix_stream_socket create_stream_socket_perms;
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allow passwd_t self:unix_dgram_socket sendto;
allow passwd_t self:unix_stream_socket connectto;
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allow passwd_t self:netlink_audit_socket { create_netlink_socket_perms nlmsg_relay };
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allow passwd_t self:shm create_shm_perms;
allow passwd_t self:sem create_sem_perms;
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allow passwd_t self:msgq create_msgq_perms;
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allow passwd_t self:msg { send receive };
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allow passwd_t crack_db_t:dir r_dir_perms;
allow passwd_t crack_db_t:file r_file_perms;
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kernel_read_kernel_sysctl(passwd_t)
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# for SSP
dev_read_urand(passwd_t)
fs_getattr_xattr_fs(passwd_t)
fs_search_auto_mountpoints(passwd_t)
selinux_get_fs_mount(passwd_t)
selinux_validate_context(passwd_t)
selinux_compute_access_vector(passwd_t)
selinux_compute_create_context(passwd_t)
selinux_compute_relabel_context(passwd_t)
selinux_compute_user_contexts(passwd_t)
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term_use_all_user_ttys(passwd_t)
term_use_all_user_ptys(passwd_t)
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auth_manage_shadow(passwd_t)
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# allow checking if a shell is executable
corecmd_check_exec_shell(passwd_t)
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domain_use_wide_inherit_fd(passwd_t)
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files_read_etc_runtime_files(passwd_t)
files_manage_etc_files(passwd_t)
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files_search_var(passwd_t)
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files_dontaudit_search_pids(passwd_t)
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# /usr/bin/passwd asks for w access to utmp, but it will operate
# correctly without it. Do not audit write denials to utmp.
init_dontaudit_rw_script_pid(passwd_t)
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libs_use_ld_so(passwd_t)
libs_use_shared_libs(passwd_t)
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logging_send_syslog_msg(passwd_t)
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miscfiles_read_localization(passwd_t)
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seutil_dontaudit_search_config(passwd_t)
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userdom_use_unpriv_users_fd(passwd_t)
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# user generally runs this from their home directory, so do not audit a search
# on user home dir
userdom_dontaudit_search_all_users_home(passwd_t)
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optional_policy(`nis',`
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nis_use_ypbind(passwd_t)
')
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ifdef(`TODO',`
# Update /etc/shadow and /etc/passwd
allow passwd_t { etc_t shadow_t }:file { relabelfrom relabelto };
# Inherit and use descriptors from login.
ifdef(`gnome-pty-helper.te', `allow passwd_t gphdomain:fd use;')
# make sure that getcon succeeds
allow passwd_t userdomain:dir search;
allow passwd_t userdomain:file read;
allow passwd_t userdomain:process getattr;
') dnl endif TODO
########################################
#
# Password admin local policy
#
allow sysadm_passwd_t self:capability { chown dac_override fsetid setuid setgid sys_resource };
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allow sysadm_passwd_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem execstack execheap };
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allow sysadm_passwd_t self:process { setrlimit setfscreate };
allow sysadm_passwd_t self:fd use;
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allow sysadm_passwd_t self:fifo_file rw_file_perms;
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allow sysadm_passwd_t self:sock_file r_file_perms;
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allow sysadm_passwd_t self:unix_dgram_socket create_socket_perms;
allow sysadm_passwd_t self:unix_stream_socket create_stream_socket_perms;
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allow sysadm_passwd_t self:unix_dgram_socket sendto;
allow sysadm_passwd_t self:unix_stream_socket connectto;
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allow sysadm_passwd_t self:shm create_shm_perms;
allow sysadm_passwd_t self:sem create_sem_perms;
allow sysadm_passwd_t self:msgq create_msgq_perms;
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allow sysadm_passwd_t self:msg { send receive };
# allow vipw to create temporary files under /var/tmp/vi.recover
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allow sysadm_passwd_t sysadm_passwd_tmp_t:dir create_dir_perms;
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allow sysadm_passwd_t sysadm_passwd_tmp_t:file create_file_perms;
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files_create_tmp_files(sysadm_passwd_t, sysadm_passwd_tmp_t, { file dir })
files_search_var(sysadm_passwd_t)
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kernel_read_kernel_sysctl(sysadm_passwd_t)
# for /proc/meminfo
kernel_read_system_state(sysadm_passwd_t)
selinux_get_fs_mount(sysadm_passwd_t)
selinux_validate_context(sysadm_passwd_t)
selinux_compute_access_vector(sysadm_passwd_t)
selinux_compute_create_context(sysadm_passwd_t)
selinux_compute_relabel_context(sysadm_passwd_t)
selinux_compute_user_contexts(sysadm_passwd_t)
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# for SSP
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dev_read_urand(sysadm_passwd_t)
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fs_getattr_xattr_fs(sysadm_passwd_t)
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fs_search_auto_mountpoints(sysadm_passwd_t)
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term_use_all_user_ttys(sysadm_passwd_t)
term_use_all_user_ptys(sysadm_passwd_t)
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auth_manage_shadow(sysadm_passwd_t)
# allow vipw to exec the editor
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corecmd_search_sbin(sysadm_passwd_t)
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corecmd_exec_bin(sysadm_passwd_t)
corecmd_exec_shell(sysadm_passwd_t)
files_read_usr_files(sysadm_passwd_t)
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domain_use_wide_inherit_fd(sysadm_passwd_t)
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files_manage_etc_files(sysadm_passwd_t)
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files_read_etc_runtime_files(sysadm_passwd_t)
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# for nscd lookups
files_dontaudit_search_pids(sysadm_passwd_t)
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# /usr/bin/passwd asks for w access to utmp, but it will operate
# correctly without it. Do not audit write denials to utmp.
init_dontaudit_rw_script_pid(sysadm_passwd_t)
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libs_use_ld_so(sysadm_passwd_t)
libs_use_shared_libs(sysadm_passwd_t)
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miscfiles_read_localization(sysadm_passwd_t)
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logging_send_syslog_msg(sysadm_passwd_t)
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seutil_dontaudit_search_config(sysadm_passwd_t)
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userdom_use_unpriv_users_fd(sysadm_passwd_t)
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# user generally runs this from their home directory, so do not audit a search
# on user home dir
userdom_dontaudit_search_all_users_home(sysadm_passwd_t)
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optional_policy(`nis',`
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nis_use_ypbind(sysadm_passwd_t)
')
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ifdef(`TODO',`
role sysadm_r types sysadm_passwd_t;
domain_auto_trans(sysadm_t, admin_passwd_exec_t, sysadm_passwd_t)
# Inherit and use descriptors from login.
ifdef(`gnome-pty-helper.te', `allow sysadm_passwd_t gphdomain:fd use;')
# allow checking if a shell is executable
allow sysadm_passwd_t shell_exec_t:file execute;
# Update /etc/shadow and /etc/passwd
allow sysadm_passwd_t { etc_t shadow_t }:file { relabelfrom relabelto };
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ifdef(`targeted_policy', `
role system_r types sysadm_passwd_t;
')
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') dnl endif TODO
########################################
#
# Useradd local policy
#
allow useradd_t self:capability { dac_override chown kill fowner fsetid setuid sys_resource };
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allow useradd_t self:process ~{ ptrace setcurrent setexec setfscreate setrlimit execmem execstack execheap };
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allow useradd_t self:process setfscreate;
allow useradd_t self:fd use;
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allow useradd_t self:fifo_file rw_file_perms;
allow useradd_t self:shm create_shm_perms;
allow useradd_t self:sem create_sem_perms;
allow useradd_t self:msgq create_msgq_perms;
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allow useradd_t self:msg { send receive };
allow useradd_t self:unix_dgram_socket create_socket_perms;
allow useradd_t self:unix_stream_socket create_stream_socket_perms;
allow useradd_t self:unix_dgram_socket sendto;
allow useradd_t self:unix_stream_socket connectto;
allow useradd_t self:netlink_audit_socket { create_socket_perms nlmsg_relay };
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# Allow access to context for shadow file
selinux_get_fs_mount(useradd_t)
selinux_validate_context(useradd_t)
selinux_compute_access_vector(useradd_t)
selinux_compute_create_context(useradd_t)
selinux_compute_relabel_context(useradd_t)
selinux_compute_user_contexts(useradd_t)
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# for getting the number of groups
kernel_read_kernel_sysctl(useradd_t)
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fs_search_auto_mountpoints(useradd_t)
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fs_getattr_xattr_fs(useradd_t)
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term_use_all_user_ttys(useradd_t)
term_use_all_user_ptys(useradd_t)
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auth_manage_shadow(useradd_t)
auth_rw_lastlog(useradd_t)
auth_use_nsswitch(useradd_t)
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corecmd_exec_shell(useradd_t)
# Execute /usr/bin/{passwd,chfn,chsh} and /usr/sbin/{useradd,vipw}.
corecmd_exec_bin(useradd_t)
corecmd_exec_sbin(useradd_t)
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domain_use_wide_inherit_fd(useradd_t)
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files_manage_etc_files(useradd_t)
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files_search_var_lib(useradd_t)
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init_use_fd(useradd_t)
init_rw_script_pid(useradd_t)
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libs_use_ld_so(useradd_t)
libs_use_shared_libs(useradd_t)
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logging_send_syslog_msg(useradd_t)
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miscfiles_read_localization(useradd_t)
seutil_read_config(useradd_t)
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seutil_read_file_contexts(useradd_t)
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userdom_use_unpriv_users_fd(useradd_t)
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# for when /root is the cwd
userdom_dontaudit_search_sysadm_home_dir(useradd_t)
# Add/remove user home directories
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userdom_create_generic_user_home_dir(useradd_t)
userdom_manage_generic_user_home_dir(useradd_t)
userdom_create_generic_user_home(useradd_t,notdevfile_class_set)
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mta_manage_spool(useradd_t)
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optional_policy(`nis',`
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nis_use_ypbind(useradd_t)
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')
optional_policy(`nscd',`
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nscd_use_socket(useradd_t)
')
optional_policy(`rpm',`
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rpm_use_fd(useradd_t)
rpm_rw_pipe(useradd_t)
')
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ifdef(`TODO',`
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# Update /etc/shadow and /etc/passwd
allow useradd_t { etc_t shadow_t }:file { relabelfrom relabelto };
# Access terminals.
ifdef(`gnome-pty-helper.te', `allow useradd_t gphdomain:fd use;')
# /var/mail is a link to /var/spool/mail
allow useradd_t mail_spool_t:lnk_file read;
') dnl end TODO