add bind
This commit is contained in:
Chris PeBenito
parent
902be0ae21
commit
d83fdad248
@ -13,6 +13,7 @@
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* Misc. cleanups.
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* Added policies:
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acct
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bind
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firstboot
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gpm
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howl
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@ -30,6 +30,10 @@ gen_tunable(cron_can_relabel,false)
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## to support fcron.
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gen_tunable(fcron_crond,false)
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## Allow BIND to write the master zone files.
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## Generally this is used for dynamic DNS.
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gen_tunable(named_write_master_zones,false)
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## Allow reading of default_t files.
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gen_tunable(read_default_t,false)
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@ -77,3 +77,10 @@ ifdef(`distro_suse', `
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/dev/usb/lp.* -c context_template(system_u:object_r:printer_device_t,s0)
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/dev/usb/mdc800.* -c context_template(system_u:object_r:scanner_device_t,s0)
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/dev/usb/scanner.* -c context_template(system_u:object_r:scanner_device_t,s0)
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ifdef(`distro_redhat',`
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# originally from named.fc
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/var/named/chroot/dev/null -c context_template(system_u:object_r:null_device_t,s0)
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/var/named/chroot/dev/random -c context_template(system_u:object_r:random_device_t,s0)
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/var/named/chroot/dev/zero -c context_template(system_u:object_r:zero_device_t,s0)
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')
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44
refpolicy/policy/modules/services/bind.fc
Normal file
44
refpolicy/policy/modules/services/bind.fc
Normal file
@ -0,0 +1,44 @@
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/etc/rndc.* -- context_template(system_u:object_r:named_conf_t,s0)
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/etc/rndc.key -- context_template(system_u:object_r:dnssec_t,s0)
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/usr/sbin/lwresd -- context_template(system_u:object_r:named_exec_t,s0)
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/usr/sbin/named -- context_template(system_u:object_r:named_exec_t,s0)
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/usr/sbin/r?ndc -- context_template(system_u:object_r:ndc_exec_t,s0)
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/var/run/ndc -s context_template(system_u:object_r:named_var_run_t,s0)
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/var/run/bind(/.*)? context_template(system_u:object_r:named_var_run_t,s0)
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/var/run/named(/.*)? context_template(system_u:object_r:named_var_run_t,s0)
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ifdef(`distro_debian',`
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/etc/bind(/.*)? context_template(system_u:object_r:named_zone_t,s0)
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/etc/bind/named\.conf -- context_template(system_u:object_r:named_conf_t,s0)
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/etc/bind/rndc\.key -- context_template(system_u:object_r:named_conf_t,s0)
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/var/cache/bind(/.*)? context_template(system_u:object_r:named_cache_t,s0)
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')
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ifdef(`distro_gentoo',`
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/etc/bind(/.*)? context_template(system_u:object_r:named_zone_t,s0)
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/etc/bind/named\.conf -- context_template(system_u:object_r:named_conf_t,s0)
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/etc/bind/rndc\.key -- context_template(system_u:object_r:named_conf_t,s0)
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/var/bind(/.*)? context_template(system_u:object_r:named_cache_t,s0)
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/var/bind/pri(/.*)? context_template(system_u:object_r:named_zone_t,s0)
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')
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ifdef(`distro_redhat',`
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/etc/named\.conf -- context_template(system_u:object_r:named_conf_t,s0)
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/var/named(/.*)? context_template(system_u:object_r:named_zone_t,s0)
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/var/named/slaves(/.*)? context_template(system_u:object_r:named_cache_t,s0)
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/var/named/data(/.*)? context_template(system_u:object_r:named_cache_t,s0)
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/var/named/named\.ca -- context_template(system_u:object_r:named_conf_t,s0)
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/var/named/chroot(/.*)? context_template(system_u:object_r:named_conf_t,s0)
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/var/named/chroot/etc(/.*)? context_template(system_u:object_r:named_conf_t,s0)
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/var/named/chroot/etc/rndc.key -- context_template(system_u:object_r:dnssec_t,s0)
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/var/named/chroot/var/run/named.* context_template(system_u:object_r:named_var_run_t,s0)
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/var/named/chroot/var/tmp(/.*)? context_template(system_u:object_r:named_cache_t,s0)
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/var/named/chroot/var/named(/.*)? context_template(system_u:object_r:named_zone_t,s0)
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/var/named/chroot/var/named/slaves(/.*)? context_template(system_u:object_r:named_cache_t,s0)
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/var/named/chroot/var/named/data(/.*)? context_template(system_u:object_r:named_cache_t,s0)
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/var/named/chroot/var/named/named\.ca -- context_template(system_u:object_r:named_conf_t,s0)
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')
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107
refpolicy/policy/modules/services/bind.if
Normal file
107
refpolicy/policy/modules/services/bind.if
Normal file
@ -0,0 +1,107 @@
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## <summary>Berkeley internet name domain DNS server.</summary>
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########################################
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## <summary>
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## Execute ndc in the ndc domain.
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## </summary>
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## <param name="domain">
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## The type of the process performing this action.
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## </param>
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#
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interface(`bind_domtrans_ndc',`
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gen_require(`
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type ndc_t, ndc_exec_t;
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class process sigchld;
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class fd use;
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class fifo_file rw_file_perms;
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')
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domain_auto_trans($1,ndc_exec_t,ndc_t)
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allow $1 ndc_t:fd use;
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allow ndc_t $1:fd use;
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allow ndc_t $1:fifo_file rw_file_perms;
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allow ndc_t $1:process sigchld;
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')
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########################################
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## <summary>
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## Execute ndc in the ndc domain, and
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## allow the specified role the ndc domain.
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## </summary>
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## <param name="domain">
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## The type of the process performing this action.
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## </param>
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## <param name="role">
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## The role to be allowed the bind domain.
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## </param>
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## <param name="terminal">
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## The type of the terminal allow the bind domain to use.
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## </param>
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#
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interface(`bind_run_ndc',`
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gen_require(`
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type ndc_t;
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class chr_file rw_term_perms;
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')
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bind_domtrans_ndc($1)
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role $2 types ndc_t;
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allow ndc_t $3:chr_file rw_term_perms;
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')
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########################################
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## <summary>
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## Read BIND named configuration files.
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## </summary>
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## <param name="domain">
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## Domain allowed access.
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## </param>
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#
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interface(`bind_read_config',`
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gen_require(`
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type named_conf_t;
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class dir search;
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class file { getattr read };
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')
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allow $1 named_conf_t:dir search;
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allow $1 named_conf_t:file { getattr read };
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')
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########################################
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## <summary>
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## Write BIND named configuration files.
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## </summary>
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## <param name="domain">
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## Domain allowed access.
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## </param>
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#
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interface(`bind_write_config',`
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gen_require(`
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type named_conf_t;
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class dir search;
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class file { write setattr };
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')
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allow $1 named_conf_t:dir search;
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allow $1 named_conf_t:file { write setattr };
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')
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########################################
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## <summary>
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## Do not audit attempts to set the attributes
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## of the BIND pid directory.
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## </summary>
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## <param name="domain">
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## Domain allowed access.
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## </param>
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#
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interface(`bind_setattr_pid_dir',`
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gen_require(`
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type named_var_run_t;
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class dir setattr;
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')
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allow $1 named_var_run_t:dir setattr;
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')
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249
refpolicy/policy/modules/services/bind.te
Normal file
249
refpolicy/policy/modules/services/bind.te
Normal file
@ -0,0 +1,249 @@
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policy_module(bind,1.0)
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########################################
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#
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# Declarations
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#
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# for DNSSEC key files
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type dnssec_t; #, secure_file_type;
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files_type(dnssec_t)
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type named_t;
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type named_exec_t;
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init_daemon_domain(named_t,named_exec_t)
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role system_r types named_t;
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# A type for configuration files of named.
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type named_conf_t;
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files_type(named_conf_t)
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# for secondary zone files
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type named_cache_t;
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files_type(named_cache_t)
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type named_tmp_t;
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files_tmp_file(named_tmp_t)
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type named_var_run_t;
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files_pid_file(named_var_run_t)
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# for primary zone files
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type named_zone_t;
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files_type(named_zone_t)
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type ndc_t;
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type ndc_exec_t;
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init_system_domain(ndc_t,ndc_exec_t)
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role system_r types ndc_t;
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########################################
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#
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# Named local policy
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#
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allow named_t self:capability { chown dac_override fowner setgid setuid sys_chroot sys_nice sys_resource };
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dontaudit named_t self:capability sys_tty_config;
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allow named_t self:process { setsched setcap setrlimit };
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allow named_t self:fifo_file rw_file_perms;
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allow named_t self:unix_stream_socket create_stream_socket_perms;
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allow named_t self:unix_dgram_socket create_socket_perms;
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allow named_t self:tcp_socket create_stream_socket_perms;
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allow named_t self:udp_socket create_socket_perms;
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allow named_t self:netlink_route_socket r_netlink_socket_perms;
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allow named_t dnssec_t:file { getattr read };
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# read configuration
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allow named_t named_conf_t:dir r_dir_perms;
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allow named_t named_conf_t:file r_file_perms;
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allow named_t named_conf_t:lnk_file r_file_perms;
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# write cache for secondary zones
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allow named_t named_cache_t:dir rw_dir_perms;
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allow named_t named_cache_t:file create_file_perms;
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allow named_t named_cache_t:lnk_file create_lnk_perms;
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can_exec(named_t, named_exec_t)
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allow named_t named_tmp_t:dir create_dir_perms;
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allow named_t named_tmp_t:file create_file_perms;
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files_create_tmp_files(named_t, named_tmp_t, { file dir })
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allow named_t named_var_run_t:file create_file_perms;
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allow named_t named_var_run_t:sock_file create_file_perms;
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files_create_pid(named_t,named_var_run_t,{ file sock_file })
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# read zone files
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allow named_t named_zone_t:dir r_dir_perms;
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allow named_t named_zone_t:file r_file_perms;
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allow named_t named_zone_t:lnk_file r_file_perms;
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allow named_t ndc_t:tcp_socket { acceptfrom recvfrom };
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kernel_read_kernel_sysctl(named_t)
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kernel_read_system_state(named_t)
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kernel_read_network_state(named_t)
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kernel_tcp_recvfrom(named_t)
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corenet_tcp_sendrecv_all_if(named_t)
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corenet_raw_sendrecv_all_if(named_t)
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corenet_udp_sendrecv_all_if(named_t)
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corenet_tcp_sendrecv_all_nodes(named_t)
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corenet_udp_sendrecv_all_nodes(named_t)
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corenet_raw_sendrecv_all_nodes(named_t)
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corenet_tcp_sendrecv_all_ports(named_t)
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corenet_udp_sendrecv_all_ports(named_t)
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corenet_tcp_bind_all_nodes(named_t)
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corenet_udp_bind_all_nodes(named_t)
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corenet_tcp_bind_dns_port(named_t)
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corenet_udp_bind_dns_port(named_t)
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#corenet_tcp_bind_rndc_port(named_t)
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dev_read_sysfs(named_t)
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dev_read_rand(named_t)
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fs_getattr_all_fs(named_t)
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fs_search_auto_mountpoints(named_t)
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term_dontaudit_use_console(named_t)
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corecmd_search_sbin(named_t)
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domain_use_wide_inherit_fd(named_t)
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files_read_etc_files(named_t)
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files_read_etc_runtime_files(named_t)
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init_use_fd(named_t)
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init_use_script_pty(named_t)
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libs_use_ld_so(named_t)
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libs_use_shared_libs(named_t)
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logging_send_syslog_msg(named_t)
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miscfiles_read_localization(named_t)
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sysnet_read_config(named_t)
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userdom_dontaudit_use_unpriv_user_fd(named_t)
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userdom_dontaudit_search_sysadm_home_dir(named_t)
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ifdef(`targeted_policy',`
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term_dontaudit_use_unallocated_tty(named_t)
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term_dontaudit_use_generic_pty(named_t)
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files_dontaudit_read_root_file(named_t)
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#dontaudit ndc_t unlabeled_t:file { getattr read };
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')
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optional_policy(`nis.te',`
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nis_use_ypbind(named_t)
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')
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optional_policy(`nscd.te',`
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nscd_use_socket(named_t)
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')
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optional_policy(`rhgb.te',`
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rhgb_domain(named_t)
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')
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optional_policy(`selinuxutil.te',`
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seutil_sigchld_newrole(named_t)
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')
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optional_policy(`udev.te',`
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udev_read_db(named_t)
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')
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########################################
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#
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# NDC local policy
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#
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# cjp: why net_admin?!
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allow ndc_t self:capability { dac_override net_admin };
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allow ndc_t self:process { fork signal_perms };
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allow ndc_t self:fifo_file { read write getattr ioctl };
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allow ndc_t self:unix_stream_socket { connect create_stream_socket_perms };
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allow ndc_t self:tcp_socket create_socket_perms;
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allow ndc_t self:netlink_route_socket r_netlink_socket_perms;
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allow ndc_t dnssec_t:file { getattr read };
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allow ndc_t named_t:tcp_socket { connectto recvfrom };
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allow ndc_t named_t:unix_stream_socket connectto;
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allow ndc_t named_conf_t:file { getattr read };
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allow ndc_t named_var_run_t:sock_file rw_file_perms;
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allow ndc_t named_zone_t:dir search;
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kernel_read_kernel_sysctl(ndc_t)
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kernel_tcp_recvfrom(ndc_t)
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corenet_tcp_sendrecv_all_if(ndc_t)
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corenet_raw_sendrecv_all_if(ndc_t)
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corenet_tcp_sendrecv_all_nodes(ndc_t)
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corenet_raw_sendrecv_all_nodes(ndc_t)
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corenet_tcp_sendrecv_all_ports(ndc_t)
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corenet_tcp_bind_all_nodes(ndc_t)
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fs_getattr_xattr_fs(ndc_t)
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domain_use_wide_inherit_fd(ndc_t)
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files_read_etc_files(ndc_t)
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files_search_pids(ndc_t)
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init_use_fd(ndc_t)
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init_use_script_pty(ndc_t)
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libs_use_ld_so(ndc_t)
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libs_use_shared_libs(ndc_t)
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logging_send_syslog_msg(ndc_t)
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miscfiles_read_localization(ndc_t)
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sysnet_read_config(ndc_t)
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# for /etc/rndc.key
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ifdef(`distro_redhat',`
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allow ndc_t named_conf_t:dir search;
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')
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tunable_policy(`use_dns',`
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allow ndc_t self:udp_socket create_socket_perms;
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corenet_udp_sendrecv_all_if(ndc_t)
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corenet_udp_sendrecv_all_nodes(ndc_t)
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corenet_udp_sendrecv_dns_port(ndc_t)
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corenet_udp_bind_all_nodes(ndc_t)
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')
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tunable_policy(`named_write_master_zones',`
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allow named_t named_zone_t:dir create_dir_perms;
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allow named_t named_zone_t:file create_file_perms;
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allow named_t named_zone_t:lnk_file create_lnk_perms;
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')
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optional_policy(`mount.te',`
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mount_send_nfs_client_request(named_t)
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')
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optional_policy(`nis.te',`
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nis_use_ypbind(ndc_t)
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')
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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)
|
||||
')
|
||||
@ -363,6 +363,20 @@ ifdef(`targeted_policy',`
|
||||
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',`
|
||||
gpm_setattr_gpmctl(initrc_t)
|
||||
')
|
||||
|
||||
@ -120,6 +120,10 @@ ifdef(`targeted_policy',`
|
||||
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',`
|
||||
clock_run(sysadm_t,sysadm_r,admin_terminal)
|
||||
')
|
||||
|
||||
Loading…
Reference in New Issue
Block a user