selinux-policy/policy/modules/services/kerberos.if

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## <summary>MIT Kerberos admin and KDC</summary>
## <desc>
## <p>
## This policy supports:
## </p>
## <p>
## Servers:
## <ul>
## <li>kadmind</li>
## <li>krb5kdc</li>
## </ul>
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## </p>
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## <p>
## Clients:
## <ul>
## <li>kinit</li>
## <li>kdestroy</li>
## <li>klist</li>
## <li>ksu (incomplete)</li>
## </ul>
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## </p>
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## </desc>
########################################
## <summary>
## Execute kadmind in the current domain
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`kerberos_exec_kadmind',`
gen_require(`
type kadmind_exec_t;
')
can_exec($1, kadmind_exec_t)
')
########################################
## <summary>
## Execute a domain transition to run kpropd.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed to transition.
## </summary>
## </param>
#
interface(`kerberos_domtrans_kpropd',`
gen_require(`
type kpropd_t, kpropd_exec_t;
')
domtrans_pattern($1, kpropd_exec_t, kpropd_t)
')
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########################################
## <summary>
## Use kerberos services
## </summary>
## <param name="domain">
## <summary>
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## Domain allowed access.
## </summary>
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## </param>
#
interface(`kerberos_use',`
gen_require(`
Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Syntax error. Squash me with 959aa527a5394d23b994ecf75347d2445106d0c4 Replace type and attributes statements by comma delimiters where possible. Syntax error. Squach me with 779a708452142d6e4ac2ba2a158f724782a03291 Replace type and attributes statements by comma delimiters where possible. Syntax error. Squash me with 89180ea115794aadddaa9b356ab1dfcdc9ff102
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type krb5_conf_t, krb5kdc_conf_t, krb5_host_rcache_t;
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')
files_search_etc($1)
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read_files_pattern($1, krb5_conf_t, krb5_conf_t)
dontaudit $1 krb5_conf_t:file write;
dontaudit $1 krb5kdc_conf_t:dir list_dir_perms;
dontaudit $1 krb5kdc_conf_t:file rw_file_perms;
#kerberos libraries are attempting to set the correct file context
dontaudit $1 self:process setfscreate;
selinux_dontaudit_validate_context($1)
seutil_dontaudit_read_file_contexts($1)
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tunable_policy(`allow_kerberos',`
allow $1 self:tcp_socket create_socket_perms;
allow $1 self:udp_socket create_socket_perms;
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corenet_all_recvfrom_unlabeled($1)
corenet_all_recvfrom_netlabel($1)
corenet_tcp_sendrecv_generic_if($1)
corenet_udp_sendrecv_generic_if($1)
corenet_tcp_sendrecv_generic_node($1)
corenet_udp_sendrecv_generic_node($1)
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corenet_tcp_sendrecv_kerberos_port($1)
corenet_udp_sendrecv_kerberos_port($1)
corenet_tcp_bind_generic_node($1)
corenet_udp_bind_generic_node($1)
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corenet_tcp_connect_kerberos_port($1)
corenet_tcp_connect_ocsp_port($1)
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corenet_sendrecv_kerberos_client_packets($1)
corenet_sendrecv_ocsp_client_packets($1)
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allow $1 krb5_host_rcache_t:file getattr_file_perms;
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')
optional_policy(`
tunable_policy(`allow_kerberos',`
pcscd_stream_connect($1)
')
')
optional_policy(`
sssd_read_public_files($1)
')
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')
########################################
## <summary>
## Read the kerberos configuration file (/etc/krb5.conf).
## </summary>
## <param name="domain">
## <summary>
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## Domain allowed access.
## </summary>
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## </param>
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## <rolecap/>
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#
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interface(`kerberos_read_config',`
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gen_require(`
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type krb5_conf_t, krb5_home_t;
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')
files_search_etc($1)
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allow $1 krb5_conf_t:file read_file_perms;
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allow $1 krb5_home_t:file read_file_perms;
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')
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########################################
## <summary>
## Do not audit attempts to write the kerberos
## configuration file (/etc/krb5.conf).
## </summary>
## <param name="domain">
## <summary>
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## Domain to not audit.
## </summary>
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## </param>
#
interface(`kerberos_dontaudit_write_config',`
gen_require(`
type krb5_conf_t;
')
dontaudit $1 krb5_conf_t:file write;
')
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########################################
## <summary>
## Read and write the kerberos configuration file (/etc/krb5.conf).
## </summary>
## <param name="domain">
## <summary>
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## Domain allowed access.
## </summary>
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## </param>
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## <rolecap/>
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#
interface(`kerberos_rw_config',`
gen_require(`
type krb5_conf_t;
')
files_search_etc($1)
allow $1 krb5_conf_t:file rw_file_perms;
')
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########################################
## <summary>
## Read the kerberos key table.
## </summary>
## <param name="domain">
## <summary>
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## Domain allowed access.
## </summary>
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## </param>
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## <rolecap/>
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#
interface(`kerberos_read_keytab',`
gen_require(`
type krb5_keytab_t;
')
files_search_etc($1)
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allow $1 krb5_keytab_t:file read_file_perms;
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')
########################################
## <summary>
## Read/Write the kerberos key table.
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`kerberos_rw_keytab',`
gen_require(`
type krb5_keytab_t;
')
files_search_etc($1)
allow $1 krb5_keytab_t:file rw_file_perms;
')
########################################
## <summary>
## Create a derived type for kerberos keytab
## </summary>
## <param name="prefix">
## <summary>
## The prefix to be used for deriving type names.
## </summary>
## </param>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
template(`kerberos_keytab_template',`
type $1_keytab_t;
files_type($1_keytab_t)
allow $2 $1_keytab_t:file read_file_perms;
kerberos_read_keytab($2)
kerberos_use($2)
')
########################################
## <summary>
## Read the kerberos kdc configuration file (/etc/krb5kdc.conf).
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <rolecap/>
#
interface(`kerberos_read_kdc_config',`
gen_require(`
type krb5kdc_conf_t;
')
files_search_etc($1)
read_files_pattern($1, krb5kdc_conf_t, krb5kdc_conf_t)
')
########################################
## <summary>
## Read the kerberos kdc configuration file (/etc/krb5kdc.conf).
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <rolecap/>
#
interface(`kerberos_manage_host_rcache',`
gen_require(`
type krb5_host_rcache_t;
')
# creates files as system_u no matter what the selinux user
# cjp: should be in the below tunable but typeattribute
# does not work in conditionals
domain_obj_id_change_exemption($1)
tunable_policy(`allow_kerberos',`
allow $1 self:process setfscreate;
selinux_validate_context($1)
seutil_read_file_contexts($1)
allow $1 krb5_host_rcache_t:file manage_file_perms;
files_search_tmp($1)
')
')
########################################
## <summary>
## Connect to krb524 service
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
#
interface(`kerberos_connect_524',`
tunable_policy(`allow_kerberos',`
allow $1 self:udp_socket create_socket_perms;
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corenet_all_recvfrom_unlabeled($1)
corenet_udp_sendrecv_generic_if($1)
corenet_udp_sendrecv_generic_node($1)
corenet_udp_sendrecv_kerberos_master_port($1)
corenet_sendrecv_kerberos_master_client_packets($1)
')
')
########################################
## <summary>
## All of the rules required to administrate
## an kerberos environment
## </summary>
## <param name="domain">
## <summary>
## Domain allowed access.
## </summary>
## </param>
## <param name="role">
## <summary>
## The role to be allowed to manage the kerberos domain.
## </summary>
## </param>
## <rolecap/>
#
interface(`kerberos_admin',`
gen_require(`
type kadmind_t, krb5kdc_t, kerberos_initrc_exec_t;
type kadmind_log_t, kadmind_tmp_t, kadmind_var_run_t;
type krb5_conf_t, krb5_keytab_t, krb5kdc_conf_t;
Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Replace type and attributes statements by comma delimiters where possible. Syntax error. Squash me with 959aa527a5394d23b994ecf75347d2445106d0c4 Replace type and attributes statements by comma delimiters where possible. Syntax error. Squach me with 779a708452142d6e4ac2ba2a158f724782a03291 Replace type and attributes statements by comma delimiters where possible. Syntax error. Squash me with 89180ea115794aadddaa9b356ab1dfcdc9ff102
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type krb5kdc_principal_t, krb5kdc_tmp_t, kpropd_t;
type krb5kdc_var_run_t, krb5_host_rcache_t;
')
allow $1 kadmind_t:process { ptrace signal_perms };
ps_process_pattern($1, kadmind_t)
allow $1 krb5kdc_t:process { ptrace signal_perms };
ps_process_pattern($1, krb5kdc_t)
allow $1 kpropd_t:process { ptrace signal_perms };
ps_process_pattern($1, kpropd_t)
init_labeled_script_domtrans($1, kerberos_initrc_exec_t)
domain_system_change_exemption($1)
role_transition $2 kerberos_initrc_exec_t system_r;
allow $2 system_r;
logging_list_logs($1)
admin_pattern($1, kadmind_log_t)
files_list_tmp($1)
admin_pattern($1, kadmind_tmp_t)
files_list_pids($1)
admin_pattern($1, kadmind_var_run_t)
admin_pattern($1, krb5_conf_t)
admin_pattern($1, krb5_host_rcache_t)
admin_pattern($1, krb5_keytab_t)
admin_pattern($1, krb5kdc_principal_t)
admin_pattern($1, krb5kdc_tmp_t)
admin_pattern($1, krb5kdc_var_run_t)
')