Unix & Linux Asked on December 24, 2021
Does anyone know which sebool it is to allow httpd write access to /home/user/html?
When I disable SELinux echo 0 > /selinux/enforce I can write, so my problem is definitely related to SELinux. I just don’t know which one is the right one without opening a big hole and Google isn’t being much help.
#[/home]ls -Z
drwxr-x---. user apache unconfined_u:object_r:user_home_dir_t:s0 user
#sestatus -b
Policy booleans:
abrt_anon_write off
abrt_handle_event off
allow_console_login on
allow_cvs_read_shadow off
allow_daemons_dump_core on
allow_daemons_use_tcp_wrapper off
allow_daemons_use_tty on
allow_domain_fd_use on
allow_execheap off
allow_execmem on
allow_execmod on
allow_execstack on
allow_ftpd_anon_write off
allow_ftpd_full_access off
allow_ftpd_use_cifs off
allow_ftpd_use_nfs off
allow_gssd_read_tmp on
allow_guest_exec_content off
allow_httpd_anon_write off
allow_httpd_mod_auth_ntlm_winbind off
allow_httpd_mod_auth_pam off
allow_httpd_sys_script_anon_write off
allow_java_execstack off
allow_kerberos on
allow_mount_anyfile on
allow_mplayer_execstack off
allow_nsplugin_execmem on
allow_polyinstantiation off
allow_postfix_local_write_mail_spool on
allow_ptrace off
allow_rsync_anon_write off
allow_saslauthd_read_shadow off
allow_smbd_anon_write off
allow_ssh_keysign off
allow_staff_exec_content on
allow_sysadm_exec_content on
allow_unconfined_nsplugin_transition off
allow_user_exec_content on
allow_user_mysql_connect off
allow_user_postgresql_connect off
allow_write_xshm off
allow_xguest_exec_content off
allow_xserver_execmem off
allow_ypbind off
allow_zebra_write_config on
authlogin_radius off
cdrecord_read_content off
clamd_use_jit off
cobbler_anon_write off
cobbler_can_network_connect off
cobbler_use_cifs off
cobbler_use_nfs off
condor_domain_can_network_connect off
cron_can_relabel off
dhcpc_exec_iptables off
domain_kernel_load_modules off
exim_can_connect_db off
exim_manage_user_files off
exim_read_user_files off
fcron_crond off
fenced_can_network_connect off
fenced_can_ssh off
ftp_home_dir on
ftpd_connect_db off
ftpd_use_passive_mode off
git_cgit_read_gitosis_content off
git_session_bind_all_unreserved_ports off
git_system_enable_homedirs off
git_system_use_cifs off
git_system_use_nfs off
global_ssp off
gpg_agent_env_file off
gpg_web_anon_write off
httpd_builtin_scripting on
httpd_can_check_spam off
httpd_can_network_connect off
httpd_can_network_connect_cobbler off
httpd_can_network_connect_db on
httpd_can_network_memcache off
httpd_can_network_relay off
httpd_can_sendmail on
httpd_dbus_avahi on
httpd_enable_cgi on
httpd_enable_ftp_server off
httpd_enable_homedirs on
httpd_execmem off
httpd_manage_ipa off
httpd_read_user_content off
httpd_setrlimit off
httpd_ssi_exec off
httpd_tmp_exec off
httpd_tty_comm on
httpd_unified on
httpd_use_cifs off
httpd_use_gpg off
httpd_use_nfs off
httpd_use_openstack off
icecast_connect_any off
init_upstart on
irssi_use_full_network off
logging_syslogd_can_sendmail off
mmap_low_allowed off
mozilla_read_content off
mysql_connect_any off
named_write_master_zones off
ncftool_read_user_content off
nscd_use_shm on
nsplugin_can_network on
openvpn_enable_homedirs on
piranha_lvs_can_network_connect off
pppd_can_insmod off
pppd_for_user off
privoxy_connect_any on
puppet_manage_all_files off
puppetmaster_use_db off
qemu_full_network on
qemu_use_cifs on
qemu_use_comm off
qemu_use_nfs on
qemu_use_usb on
racoon_read_shadow off
rgmanager_can_network_connect off
rsync_client off
rsync_export_all_ro off
rsync_use_cifs off
rsync_use_nfs off
samba_create_home_dirs off
samba_domain_controller off
samba_enable_home_dirs off
samba_export_all_ro off
samba_export_all_rw off
samba_run_unconfined off
samba_share_fusefs off
samba_share_nfs off
sanlock_use_nfs off
sanlock_use_samba off
secure_mode off
secure_mode_insmod off
secure_mode_policyload off
sepgsql_enable_users_ddl on
sepgsql_unconfined_dbadm on
sge_domain_can_network_connect off
sge_use_nfs off
smartmon_3ware off
spamassassin_can_network off
spamd_enable_home_dirs on
squid_connect_any on
squid_use_tproxy off
ssh_chroot_rw_homedirs off
ssh_sysadm_login off
telepathy_tcp_connect_generic_network_ports off
tftp_anon_write off
tor_bind_all_unreserved_ports off
unconfined_login on
unconfined_mmap_zero_ignore off
unconfined_mozilla_plugin_transition off
use_fusefs_home_dirs off
use_lpd_server off
use_nfs_home_dirs on
use_samba_home_dirs off
user_direct_dri on
user_direct_mouse off
user_ping on
user_rw_noexattrfile on
user_setrlimit on
user_tcp_server off
user_ttyfile_stat off
varnishd_connect_any off
vbetool_mmap_zero_ignore off
virt_use_comm off
virt_use_fusefs off
virt_use_nfs off
virt_use_samba off
virt_use_sanlock off
virt_use_sysfs on
virt_use_usb on
virt_use_xserver off
webadm_manage_user_files off
webadm_read_user_files off
wine_mmap_zero_ignore off
xdm_exec_bootloader off
xdm_sysadm_login off
xen_use_nfs off
xguest_connect_network on
xguest_mount_media on
xguest_use_bluetooth on
xserver_object_manager off
You will find very good documentation at RedHat on selinux a 180 page .pdf manual you can download, but the best way to deal with selinux issues is to open a terminal and type as use the automated tools.
Try:
Then repeat the problem causing behavior. You will get a nice display of the problem and the ways you may want to consider fixing it (in my case it was a folder that apache could not write to).
aureport starts a reporting program, which will offer you several alternatives when something goes wrong. They are clearly explained by people who speak English. I spent hours on an selinux problem, then got to this little gem in the redhat documentation, and I had the problem fixed in 30 seconds. One of the choices was spot on.
/Len
Answered by Leonard Umina on December 24, 2021
semanage permissive -a httpd_t
did the trick for me
Answered by centosuser on December 24, 2021
Although it is better to label the files and folders with the httpd_sys_rw_content_t where needed, for completeness I figured I'd mention that you can also change the seboolean httpd_unified to 1 to make SELinux ignore this particular context requirement, which is still much better than disabling SELinux as many on the internet would advise.
From the man page:
httpd can be configured to not differentiate file controls based on context, i.e. all files labeled as httpd context can be read/write/exe- cute. Setting this boolean to false allows you to setup the security policy such that one httpd service can not interfere with another.
setsebool -P httpd_unified 0
Answered by Dan Bowling on December 24, 2021
None of them, at least not by itself. You must either give the directory structure a context of httpd_sys_rw_content_t, or give them a context of public_content_rw_t and enable allow_httpd_anon_write and/or allow_httpd_sys_script_anon_write as follows:
chcon -R -t httpd_sys_rw_content_t /path
See the httpd_selinux(8) man page for details.
Answered by Ignacio Vazquez-Abrams on December 24, 2021
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