initial commit
This commit is contained in:
Chris PeBenito
parent
fd89e19f12
commit
5e1ed4903e
15
refpolicy/policy/modules/services/kerberos.fc
Normal file
15
refpolicy/policy/modules/services/kerberos.fc
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@ -0,0 +1,15 @@
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/etc/krb5\.conf -- system_u:object_r:krb5_conf_t
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/etc/krb5\.keytab system_u:object_r:krb5_keytab_t
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/usr(/local)?(/kerberos)?/sbin/krb5kdc -- system_u:object_r:krb5kdc_exec_t
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/usr(/local)?(/kerberos)?/sbin/kadmind -- system_u:object_r:kadmind_exec_t
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/usr(/local)?/bin/ksu -- system_u:object_r:su_exec_t
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/usr/local/var/krb5kdc(/.*)? system_u:object_r:krb5kdc_conf_t
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/usr/local/var/krb5kdc/principal.* system_u:object_r:krb5kdc_principal_t
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/var/kerberos/krb5kdc(/.*)? system_u:object_r:krb5kdc_conf_t
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/var/kerberos/krb5kdc/principal.* system_u:object_r:krb5kdc_principal_t
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/var/log/krb5kdc\.log system_u:object_r:krb5kdc_log_t
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/var/log/kadmind\.log system_u:object_r:kadmind_log_t
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79
refpolicy/policy/modules/services/kerberos.if
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79
refpolicy/policy/modules/services/kerberos.if
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@ -0,0 +1,79 @@
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## <summary>MIT Kerberos admin and KDC</summary>
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## <desc>
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## <p>
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## This policy supports:
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## </p>
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## <p>
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## Servers:
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## </p>
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## <ul>
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## <li>kadmind</li>
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## <li>krb5kdc</li>
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## </ul>
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## <p>
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## Clients:
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## </p>
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## <ul>
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## <li>kinit</li>
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## <li>kdestroy</li>
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## <li>klist</li>
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## <li>ksu (incomplete)</li>
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## </ul>
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## </desc>
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########################################
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## <summary>
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## Use kerberos services
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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(`kerberos_use',`
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gen_require(`
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type krb5_conf_t;
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class files r_file_perms;
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')
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tunable_policy(`allow_kerberos',`
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allow $1 self:tcp_socket { create connect ioctl read getattr write setattr append bind getopt setopt shutdown };
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allow $1 self:udp_socket { create ioctl read getattr write setattr append bind getopt setopt shutdown connect };
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corenet_tcp_sendrecv_all_if($1)
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corenet_udp_sendrecv_all_if($1)
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corenet_raw_sendrecv_all_if($1)
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corenet_tcp_sendrecv_all_nodes($1)
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corenet_udp_sendrecv_all_nodes($1)
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corenet_raw_sendrecv_all_nodes($1)
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corenet_tcp_sendrecv_kerberos_port($1)
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corenet_udp_sendrecv_kerberos_port($1)
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corenet_tcp_bind_all_nodes($1)
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corenet_udp_bind_all_nodes($1)
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sysnet_read_config($1)
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tunable_policy(`use_dns',`
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corenet_udp_sendrecv_dns_port($1)
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')
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')
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files_search_etc($1)
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allow $1 krb5_conf_t:file { getattr read };
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dontaudit $1 krb5_conf_t:file write;
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')
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########################################
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## <summary>
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## Read the kerberos configuration file (/etc/krb5.conf).
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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(`kerberos_read_conf',`
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gen_require(`
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type krb5_conf_t;
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class files r_file_perms;
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')
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files_search_etc($1)
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allow $1 krb5_conf_t:file r_file_perms;
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')
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259
refpolicy/policy/modules/services/kerberos.te
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259
refpolicy/policy/modules/services/kerberos.te
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@ -0,0 +1,259 @@
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policy_module(kerberos,1.0)
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########################################
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#
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# Declarations
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#
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type kadmind_t;
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type kadmind_exec_t;
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init_daemon_domain(kadmind_t,kadmind_exec_t)
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type kadmind_log_t;
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logging_log_file(kadmind_log_t)
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type kadmind_tmp_t;
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files_tmp_file(kadmind_tmp_t)
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type kadmind_var_run_t;
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files_pid_file(kadmind_var_run_t)
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type krb5_conf_t;
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files_type(krb5_conf_t)
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# types for general configuration files in /etc
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type krb5_keytab_t; #, secure_file_type;
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files_type(krb5_keytab_t)
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# types for KDC configs and principal file(s)
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type krb5kdc_conf_t;
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files_type(krb5kdc_conf_t)
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# types for KDC principal file(s)
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type krb5kdc_principal_t;
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files_type(krb5kdc_principal_t)
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type krb5kdc_t;
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type krb5kdc_exec_t;
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init_daemon_domain(krb5kdc_t,krb5kdc_exec_t)
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type krb5kdc_log_t;
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logging_log_file(krb5kdc_log_t)
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type krb5kdc_tmp_t;
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files_tmp_file(krb5kdc_tmp_t)
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type krb5kdc_var_run_t;
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files_pid_file(krb5kdc_var_run_t)
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########################################
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#
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# kadmind local policy
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#
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# Use capabilities. Surplus capabilities may be allowed.
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allow kadmind_t self:capability { setuid setgid chown fowner dac_override sys_nice };
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dontaudit kadmind_t self:capability sys_tty_config;
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allow kadmind_t self:tcp_socket connected_stream_socket_perms;
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allow kadmind_t self:netlink_route_socket r_netlink_socket_perms;
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allow kadmind_t self:unix_dgram_socket { connect create write };
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allow kadmind_t kadmind_log_t:file create_file_perms;
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logging_create_log(kadmind_t,kadmind_log_t)
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allow kadmind_t krb5_conf_t:file r_file_perms;
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dontaudit kadmind_t krb5_conf_t:file write;
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allow kadmind_t krb5kdc_conf_t:dir search;
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allow kadmind_t krb5kdc_conf_t:file r_file_perms;
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dontaudit kadmind_t krb5kdc_conf_t:file write;
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allow kadmind_t krb5kdc_principal_t:file { getattr lock read write setattr };
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can_exec(kadmind_t, kadmind_exec_t)
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allow kadmind_t kadmind_tmp_t:dir create_dir_perms;
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allow kadmind_t kadmind_tmp_t:file create_file_perms;
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files_create_tmp_files(kadmind_t, kadmind_tmp_t, { file dir })
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allow kadmind_t kadmind_var_run_t:file { getattr create read write append setattr unlink };
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files_create_pid(kadmind_t,kadmind_var_run_t)
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kernel_read_kernel_sysctl(kadmind_t)
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corenet_tcp_sendrecv_all_if(kadmind_t)
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corenet_raw_sendrecv_all_if(kadmind_t)
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corenet_tcp_sendrecv_all_nodes(kadmind_t)
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corenet_raw_sendrecv_all_nodes(kadmind_t)
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corenet_tcp_sendrecv_all_ports(kadmind_t)
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corenet_tcp_bind_all_nodes(kadmind_t)
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corenet_tcp_bind_kerberos_admin_port(kadmind_t)
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corenet_udp_bind_kerberos_admin_port(kadmind_t)
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corenet_tcp_bind_reserved_port(kadmind_t)
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corenet_dontaudit_tcp_bind_all_reserved_ports(kadmind_t)
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dev_read_sysfs(kadmind_t)
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dev_read_rand(kadmind_t)
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dev_read_urand(kadmind_t)
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fs_getattr_all_fs(kadmind_t)
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fs_search_auto_mountpoints(kadmind_t)
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term_dontaudit_use_console(kadmind_t)
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domain_use_wide_inherit_fd(kadmind_t)
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files_read_etc_files(kadmind_t)
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init_use_fd(kadmind_t)
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init_use_script_pty(kadmind_t)
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libs_use_ld_so(kadmind_t)
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libs_use_shared_libs(kadmind_t)
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logging_send_syslog_msg(kadmind_t)
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miscfiles_read_localization(kadmind_t)
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sysnet_read_config(kadmind_t)
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userdom_dontaudit_use_unpriv_user_fd(kadmind_t)
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ifdef(`targeted_policy', `
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term_dontaudit_use_unallocated_tty(kadmind_t)
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term_dontaudit_use_generic_pty(kadmind_t)
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files_dontaudit_read_root_file(kadmind_t)
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')
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optional_policy(`nis.te',`
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nis_use_ypbind(kadmind_t)
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')
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optional_policy(`selinux.te',`
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seutil_sigchld_newrole(kadmind_t)
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')
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optional_policy(`udev.te', `
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udev_read_db(kadmind_t)
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')
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ifdef(`TODO',`
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optional_policy(`rhgb.te',`
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rhgb_domain(kadmind_t)
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')
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allow kadmind_t proc_t:dir r_dir_perms;
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allow kadmind_t proc_t:lnk_file read;
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dontaudit kadmind_t sysadm_home_dir_t:dir search;
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# cjp: not sure, but I think this has no effect
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can_tcp_connect(kerberos_admin_port_t, kadmind_t)
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') dnl end TODO
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########################################
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#
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# Krb5kdc local policy
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#
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# Use capabilities. Surplus capabilities may be allowed.
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allow krb5kdc_t self:capability { setuid setgid net_admin chown fowner dac_override sys_nice };
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dontaudit krb5kdc_t self:capability sys_tty_config;
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allow krb5kdc_t self:tcp_socket connected_stream_socket_perms;
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allow krb5kdc_t self:netlink_route_socket r_netlink_socket_perms;
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allow krb5kdc_t krb5_conf_t:file r_file_perms;
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dontaudit krb5kdc_t krb5_conf_t:file write;
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can_exec(krb5kdc_t, krb5kdc_exec_t)
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allow krb5kdc_t krb5kdc_conf_t:dir search;
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allow krb5kdc_t krb5kdc_conf_t:file r_file_perms;
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dontaudit krb5kdc_t krb5kdc_conf_t:file write;
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allow krb5kdc_t krb5kdc_log_t:file create_file_perms;
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logging_create_log(krb5kdc_t,krb5kdc_log_t)
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allow krb5kdc_t krb5kdc_principal_t:file r_file_perms;
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dontaudit krb5kdc_t krb5kdc_principal_t:file write;
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allow krb5kdc_t krb5kdc_tmp_t:dir create_dir_perms;
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allow krb5kdc_t krb5kdc_tmp_t:file create_file_perms;
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files_create_tmp_files(krb5kdc_t, krb5kdc_tmp_t, { file dir })
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allow krb5kdc_t krb5kdc_var_run_t:file { getattr create read write append setattr unlink };
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files_create_pid(krb5kdc_t,krb5kdc_var_run_t)
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kernel_read_system_state(krb5kdc_t)
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kernel_read_kernel_sysctl(krb5kdc_t)
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corenet_tcp_sendrecv_all_if(krb5kdc_t)
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corenet_raw_sendrecv_all_if(krb5kdc_t)
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corenet_tcp_sendrecv_all_nodes(krb5kdc_t)
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corenet_raw_sendrecv_all_nodes(krb5kdc_t)
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corenet_tcp_sendrecv_all_ports(krb5kdc_t)
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corenet_tcp_bind_all_nodes(krb5kdc_t)
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corenet_tcp_bind_kerberos_port(krb5kdc_t)
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corenet_udp_bind_kerberos_port(krb5kdc_t)
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dev_read_sysfs(krb5kdc_t)
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dev_read_urand(krb5kdc_t)
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fs_getattr_all_fs(krb5kdc_t)
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fs_search_auto_mountpoints(krb5kdc_t)
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term_dontaudit_use_console(krb5kdc_t)
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domain_use_wide_inherit_fd(krb5kdc_t)
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files_read_etc_files(krb5kdc_t)
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init_use_fd(krb5kdc_t)
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init_use_script_pty(krb5kdc_t)
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libs_use_ld_so(krb5kdc_t)
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libs_use_shared_libs(krb5kdc_t)
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logging_send_syslog_msg(krb5kdc_t)
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miscfiles_read_localization(krb5kdc_t)
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sysnet_read_config(krb5kdc_t)
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userdom_dontaudit_use_unpriv_user_fd(krb5kdc_t)
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ifdef(`targeted_policy', `
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term_dontaudit_use_unallocated_tty(krb5kdc_t)
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term_dontaudit_use_generic_pty(krb5kdc_t)
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files_dontaudit_read_root_file(krb5kdc_t)
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')
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optional_policy(`nis.te',`
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nis_use_ypbind(krb5kdc_t)
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')
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optional_policy(`selinux.te',`
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seutil_sigchld_newrole(krb5kdc_t)
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')
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optional_policy(`udev.te', `
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udev_read_db(krb5kdc_t)
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')
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ifdef(`TODO',`
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allow krb5kdc_t proc_t:dir r_dir_perms;
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allow krb5kdc_t proc_t:lnk_file read;
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dontaudit krb5kdc_t sysadm_home_dir_t:dir search;
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optional_policy(`rhgb.te',`
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rhgb_domain(krb5kdc_t)
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')
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# Allow user programs to talk to KDC
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allow krb5kdc_t userdomain:udp_socket recvfrom;
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allow userdomain krb5kdc_t:udp_socket recvfrom;
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# cjp: not sure, but I think these have no effect
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can_udp_send(kerberos_port_t, krb5kdc_t)
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can_udp_send(krb5kdc_t, kerberos_port_t)
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can_tcp_connect(kerberos_port_t, krb5kdc_t)
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') dnl end TODO
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