This commit is contained in:
Chris PeBenito 2005-08-23 17:26:19 +00:00
parent 902be0ae21
commit d83fdad248
8 changed files with 430 additions and 0 deletions

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@ -13,6 +13,7 @@
* Misc. cleanups. * Misc. cleanups.
* Added policies: * Added policies:
acct acct
bind
firstboot firstboot
gpm gpm
howl howl

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@ -30,6 +30,10 @@ gen_tunable(cron_can_relabel,false)
## to support fcron. ## to support fcron.
gen_tunable(fcron_crond,false) gen_tunable(fcron_crond,false)
## Allow BIND to write the master zone files.
## Generally this is used for dynamic DNS.
gen_tunable(named_write_master_zones,false)
## Allow reading of default_t files. ## Allow reading of default_t files.
gen_tunable(read_default_t,false) gen_tunable(read_default_t,false)

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@ -77,3 +77,10 @@ ifdef(`distro_suse', `
/dev/usb/lp.* -c context_template(system_u:object_r:printer_device_t,s0) /dev/usb/lp.* -c context_template(system_u:object_r:printer_device_t,s0)
/dev/usb/mdc800.* -c context_template(system_u:object_r:scanner_device_t,s0) /dev/usb/mdc800.* -c context_template(system_u:object_r:scanner_device_t,s0)
/dev/usb/scanner.* -c context_template(system_u:object_r:scanner_device_t,s0) /dev/usb/scanner.* -c context_template(system_u:object_r:scanner_device_t,s0)
ifdef(`distro_redhat',`
# originally from named.fc
/var/named/chroot/dev/null -c context_template(system_u:object_r:null_device_t,s0)
/var/named/chroot/dev/random -c context_template(system_u:object_r:random_device_t,s0)
/var/named/chroot/dev/zero -c context_template(system_u:object_r:zero_device_t,s0)
')

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@ -0,0 +1,44 @@
/etc/rndc.* -- context_template(system_u:object_r:named_conf_t,s0)
/etc/rndc.key -- context_template(system_u:object_r:dnssec_t,s0)
/usr/sbin/lwresd -- context_template(system_u:object_r:named_exec_t,s0)
/usr/sbin/named -- context_template(system_u:object_r:named_exec_t,s0)
/usr/sbin/r?ndc -- context_template(system_u:object_r:ndc_exec_t,s0)
/var/run/ndc -s context_template(system_u:object_r:named_var_run_t,s0)
/var/run/bind(/.*)? context_template(system_u:object_r:named_var_run_t,s0)
/var/run/named(/.*)? context_template(system_u:object_r:named_var_run_t,s0)
ifdef(`distro_debian',`
/etc/bind(/.*)? context_template(system_u:object_r:named_zone_t,s0)
/etc/bind/named\.conf -- context_template(system_u:object_r:named_conf_t,s0)
/etc/bind/rndc\.key -- context_template(system_u:object_r:named_conf_t,s0)
/var/cache/bind(/.*)? context_template(system_u:object_r:named_cache_t,s0)
')
ifdef(`distro_gentoo',`
/etc/bind(/.*)? context_template(system_u:object_r:named_zone_t,s0)
/etc/bind/named\.conf -- context_template(system_u:object_r:named_conf_t,s0)
/etc/bind/rndc\.key -- context_template(system_u:object_r:named_conf_t,s0)
/var/bind(/.*)? context_template(system_u:object_r:named_cache_t,s0)
/var/bind/pri(/.*)? context_template(system_u:object_r:named_zone_t,s0)
')
ifdef(`distro_redhat',`
/etc/named\.conf -- context_template(system_u:object_r:named_conf_t,s0)
/var/named(/.*)? context_template(system_u:object_r:named_zone_t,s0)
/var/named/slaves(/.*)? context_template(system_u:object_r:named_cache_t,s0)
/var/named/data(/.*)? context_template(system_u:object_r:named_cache_t,s0)
/var/named/named\.ca -- context_template(system_u:object_r:named_conf_t,s0)
/var/named/chroot(/.*)? context_template(system_u:object_r:named_conf_t,s0)
/var/named/chroot/etc(/.*)? context_template(system_u:object_r:named_conf_t,s0)
/var/named/chroot/etc/rndc.key -- context_template(system_u:object_r:dnssec_t,s0)
/var/named/chroot/var/run/named.* context_template(system_u:object_r:named_var_run_t,s0)
/var/named/chroot/var/tmp(/.*)? context_template(system_u:object_r:named_cache_t,s0)
/var/named/chroot/var/named(/.*)? context_template(system_u:object_r:named_zone_t,s0)
/var/named/chroot/var/named/slaves(/.*)? context_template(system_u:object_r:named_cache_t,s0)
/var/named/chroot/var/named/data(/.*)? context_template(system_u:object_r:named_cache_t,s0)
/var/named/chroot/var/named/named\.ca -- context_template(system_u:object_r:named_conf_t,s0)
')

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@ -0,0 +1,107 @@
## <summary>Berkeley internet name domain DNS server.</summary>
########################################
## <summary>
## Execute ndc in the ndc domain.
## </summary>
## <param name="domain">
## The type of the process performing this action.
## </param>
#
interface(`bind_domtrans_ndc',`
gen_require(`
type ndc_t, ndc_exec_t;
class process sigchld;
class fd use;
class fifo_file rw_file_perms;
')
domain_auto_trans($1,ndc_exec_t,ndc_t)
allow $1 ndc_t:fd use;
allow ndc_t $1:fd use;
allow ndc_t $1:fifo_file rw_file_perms;
allow ndc_t $1:process sigchld;
')
########################################
## <summary>
## Execute ndc in the ndc domain, and
## allow the specified role the ndc domain.
## </summary>
## <param name="domain">
## The type of the process performing this action.
## </param>
## <param name="role">
## The role to be allowed the bind domain.
## </param>
## <param name="terminal">
## The type of the terminal allow the bind domain to use.
## </param>
#
interface(`bind_run_ndc',`
gen_require(`
type ndc_t;
class chr_file rw_term_perms;
')
bind_domtrans_ndc($1)
role $2 types ndc_t;
allow ndc_t $3:chr_file rw_term_perms;
')
########################################
## <summary>
## Read BIND named configuration files.
## </summary>
## <param name="domain">
## Domain allowed access.
## </param>
#
interface(`bind_read_config',`
gen_require(`
type named_conf_t;
class dir search;
class file { getattr read };
')
allow $1 named_conf_t:dir search;
allow $1 named_conf_t:file { getattr read };
')
########################################
## <summary>
## Write BIND named configuration files.
## </summary>
## <param name="domain">
## Domain allowed access.
## </param>
#
interface(`bind_write_config',`
gen_require(`
type named_conf_t;
class dir search;
class file { write setattr };
')
allow $1 named_conf_t:dir search;
allow $1 named_conf_t:file { write setattr };
')
########################################
## <summary>
## Do not audit attempts to set the attributes
## of the BIND pid directory.
## </summary>
## <param name="domain">
## Domain allowed access.
## </param>
#
interface(`bind_setattr_pid_dir',`
gen_require(`
type named_var_run_t;
class dir setattr;
')
allow $1 named_var_run_t:dir setattr;
')

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@ -0,0 +1,249 @@
policy_module(bind,1.0)
########################################
#
# Declarations
#
# for DNSSEC key files
type dnssec_t; #, secure_file_type;
files_type(dnssec_t)
type named_t;
type named_exec_t;
init_daemon_domain(named_t,named_exec_t)
role system_r types named_t;
# A type for configuration files of named.
type named_conf_t;
files_type(named_conf_t)
# for secondary zone files
type named_cache_t;
files_type(named_cache_t)
type named_tmp_t;
files_tmp_file(named_tmp_t)
type named_var_run_t;
files_pid_file(named_var_run_t)
# for primary zone files
type named_zone_t;
files_type(named_zone_t)
type ndc_t;
type ndc_exec_t;
init_system_domain(ndc_t,ndc_exec_t)
role system_r types ndc_t;
########################################
#
# Named local policy
#
allow named_t self:capability { chown dac_override fowner setgid setuid sys_chroot sys_nice sys_resource };
dontaudit named_t self:capability sys_tty_config;
allow named_t self:process { setsched setcap setrlimit };
allow named_t self:fifo_file rw_file_perms;
allow named_t self:unix_stream_socket create_stream_socket_perms;
allow named_t self:unix_dgram_socket create_socket_perms;
allow named_t self:tcp_socket create_stream_socket_perms;
allow named_t self:udp_socket create_socket_perms;
allow named_t self:netlink_route_socket r_netlink_socket_perms;
allow named_t dnssec_t:file { getattr read };
# read configuration
allow named_t named_conf_t:dir r_dir_perms;
allow named_t named_conf_t:file r_file_perms;
allow named_t named_conf_t:lnk_file r_file_perms;
# write cache for secondary zones
allow named_t named_cache_t:dir rw_dir_perms;
allow named_t named_cache_t:file create_file_perms;
allow named_t named_cache_t:lnk_file create_lnk_perms;
can_exec(named_t, named_exec_t)
allow named_t named_tmp_t:dir create_dir_perms;
allow named_t named_tmp_t:file create_file_perms;
files_create_tmp_files(named_t, named_tmp_t, { file dir })
allow named_t named_var_run_t:file create_file_perms;
allow named_t named_var_run_t:sock_file create_file_perms;
files_create_pid(named_t,named_var_run_t,{ file sock_file })
# read zone files
allow named_t named_zone_t:dir r_dir_perms;
allow named_t named_zone_t:file r_file_perms;
allow named_t named_zone_t:lnk_file r_file_perms;
allow named_t ndc_t:tcp_socket { acceptfrom recvfrom };
kernel_read_kernel_sysctl(named_t)
kernel_read_system_state(named_t)
kernel_read_network_state(named_t)
kernel_tcp_recvfrom(named_t)
corenet_tcp_sendrecv_all_if(named_t)
corenet_raw_sendrecv_all_if(named_t)
corenet_udp_sendrecv_all_if(named_t)
corenet_tcp_sendrecv_all_nodes(named_t)
corenet_udp_sendrecv_all_nodes(named_t)
corenet_raw_sendrecv_all_nodes(named_t)
corenet_tcp_sendrecv_all_ports(named_t)
corenet_udp_sendrecv_all_ports(named_t)
corenet_tcp_bind_all_nodes(named_t)
corenet_udp_bind_all_nodes(named_t)
corenet_tcp_bind_dns_port(named_t)
corenet_udp_bind_dns_port(named_t)
#corenet_tcp_bind_rndc_port(named_t)
dev_read_sysfs(named_t)
dev_read_rand(named_t)
fs_getattr_all_fs(named_t)
fs_search_auto_mountpoints(named_t)
term_dontaudit_use_console(named_t)
corecmd_search_sbin(named_t)
domain_use_wide_inherit_fd(named_t)
files_read_etc_files(named_t)
files_read_etc_runtime_files(named_t)
init_use_fd(named_t)
init_use_script_pty(named_t)
libs_use_ld_so(named_t)
libs_use_shared_libs(named_t)
logging_send_syslog_msg(named_t)
miscfiles_read_localization(named_t)
sysnet_read_config(named_t)
userdom_dontaudit_use_unpriv_user_fd(named_t)
userdom_dontaudit_search_sysadm_home_dir(named_t)
ifdef(`targeted_policy',`
term_dontaudit_use_unallocated_tty(named_t)
term_dontaudit_use_generic_pty(named_t)
files_dontaudit_read_root_file(named_t)
#dontaudit ndc_t unlabeled_t:file { getattr read };
')
optional_policy(`nis.te',`
nis_use_ypbind(named_t)
')
optional_policy(`nscd.te',`
nscd_use_socket(named_t)
')
optional_policy(`rhgb.te',`
rhgb_domain(named_t)
')
optional_policy(`selinuxutil.te',`
seutil_sigchld_newrole(named_t)
')
optional_policy(`udev.te',`
udev_read_db(named_t)
')
########################################
#
# NDC local policy
#
# cjp: why net_admin?!
allow ndc_t self:capability { dac_override net_admin };
allow ndc_t self:process { fork signal_perms };
allow ndc_t self:fifo_file { read write getattr ioctl };
allow ndc_t self:unix_stream_socket { connect create_stream_socket_perms };
allow ndc_t self:tcp_socket create_socket_perms;
allow ndc_t self:netlink_route_socket r_netlink_socket_perms;
allow ndc_t dnssec_t:file { getattr read };
allow ndc_t named_t:tcp_socket { connectto recvfrom };
allow ndc_t named_t:unix_stream_socket connectto;
allow ndc_t named_conf_t:file { getattr read };
allow ndc_t named_var_run_t:sock_file rw_file_perms;
allow ndc_t named_zone_t:dir search;
kernel_read_kernel_sysctl(ndc_t)
kernel_tcp_recvfrom(ndc_t)
corenet_tcp_sendrecv_all_if(ndc_t)
corenet_raw_sendrecv_all_if(ndc_t)
corenet_tcp_sendrecv_all_nodes(ndc_t)
corenet_raw_sendrecv_all_nodes(ndc_t)
corenet_tcp_sendrecv_all_ports(ndc_t)
corenet_tcp_bind_all_nodes(ndc_t)
fs_getattr_xattr_fs(ndc_t)
domain_use_wide_inherit_fd(ndc_t)
files_read_etc_files(ndc_t)
files_search_pids(ndc_t)
init_use_fd(ndc_t)
init_use_script_pty(ndc_t)
libs_use_ld_so(ndc_t)
libs_use_shared_libs(ndc_t)
logging_send_syslog_msg(ndc_t)
miscfiles_read_localization(ndc_t)
sysnet_read_config(ndc_t)
# for /etc/rndc.key
ifdef(`distro_redhat',`
allow ndc_t named_conf_t:dir search;
')
tunable_policy(`use_dns',`
allow ndc_t self:udp_socket create_socket_perms;
corenet_udp_sendrecv_all_if(ndc_t)
corenet_udp_sendrecv_all_nodes(ndc_t)
corenet_udp_sendrecv_dns_port(ndc_t)
corenet_udp_bind_all_nodes(ndc_t)
')
tunable_policy(`named_write_master_zones',`
allow named_t named_zone_t:dir create_dir_perms;
allow named_t named_zone_t:file create_file_perms;
allow named_t named_zone_t:lnk_file create_lnk_perms;
')
optional_policy(`mount.te',`
mount_send_nfs_client_request(named_t)
')
optional_policy(`nis.te',`
nis_use_ypbind(ndc_t)
')
optional_policy(`nscd.te',`
nscd_use_socket(ndc_t)
')
ifdef(`TODO',`
can_udp_send(domain, named_t)
can_udp_send(named_t, domain)
can_tcp_connect(domain, named_t)
')

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@ -363,6 +363,20 @@ ifdef(`targeted_policy',`
unconfined_shell_domtrans(initrc_t) unconfined_shell_domtrans(initrc_t)
') ')
optional_policy(`bind.te',`
bind_read_config(initrc_t)
# for chmod in start script
bind_setattr_pid_dir(initrc_t)
# for /etc/rndc.key
ifdef(`distro_redhat',`
# Allow init script to cp localtime to named_conf_t
bind_write_config(initrc_t)
')
')
optional_policy(`gpm.te',` optional_policy(`gpm.te',`
gpm_setattr_gpmctl(initrc_t) gpm_setattr_gpmctl(initrc_t)
') ')

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@ -120,6 +120,10 @@ ifdef(`targeted_policy',`
bootloader_run(sysadm_t,sysadm_r,admin_terminal) bootloader_run(sysadm_t,sysadm_r,admin_terminal)
') ')
optional_policy(`bind.te',`
bind_run_ndc(sysadm_t,sysadm_r,admin_terminal)
')
optional_policy(`clock.te',` optional_policy(`clock.te',`
clock_run(sysadm_t,sysadm_r,admin_terminal) clock_run(sysadm_t,sysadm_r,admin_terminal)
') ')