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NAME

kdb5_ldap_util - Kerberos configuration utility

SYNOPSIS

kdb5_ldap_util [-D user_dn [-w passwd]] [-H ldapuri] command [command_options]

DESCRIPTION

kdb5_ldap_util allows an administrator to manage realms, Kerberos services and ticket policies.

COMMAND-LINE OPTIONS

-r realm

Specifies the realm to be operated on.

-D user_dn

Specifies the Distinguished Name (DN) of the user who has sufficient rights to perform the operation on the LDAP server.

-w passwd

Specifies the password of user_dn. This option is not recommended.

-H ldapuri

Specifies the URI of the LDAP server.

By default, kdb5_ldap_util operates on the default realm (as specified in krb5.conf(5)) and connects and authenticates to the LDAP server in the same manner as :ref:kadmind(8)` would given the parameters in dbdefaults in kdc.conf(5).

COMMANDS

create

create [-subtrees subtree_dn_list] [-sscope search_scope] [-containerref container_reference_dn] [-k mkeytype] [-kv mkeyVNO] [-M mkeyname] [-m|-P password|-sf stashfilename] [-s] [-maxtktlife max_ticket_life] [-maxrenewlife max_renewable_ticket_life] [ticket_flags]

Creates realm in directory. Options:
-subtrees subtree_dn_list

Specifies the list of subtrees containing the principals of a realm. The list contains the DNs of the subtree objects separated by colon (:).

-sscope search_scope

Specifies the scope for searching the principals under the subtree. The possible values are 1 or one (one level), 2 or sub (subtrees).

-containerref container_reference_dn

Specifies the DN of the container object in which the principals of a realm will be created. If the container reference is not configured for a realm, the principals will be created in the realm container.

-k mkeytype

Specifies the key type of the master key in the database. The default is given by the master_key_type variable in kdc.conf(5).

-kv mkeyVNO

Specifies the version number of the master key in the database; the default is 1. Note that 0 is not allowed.

-M mkeyname

Specifies the principal name for the master key in the database. If not specified, the name is determined by the master_key_name variable in kdc.conf(5).

-m

Specifies that the master database password should be read from the TTY rather than fetched from a file on the disk.

-P password

Specifies the master database password. This option is not recommended.

-sf stashfilename

Specifies the stash file of the master database password.

-s

Specifies that the stash file is to be created.

-maxtktlife max_ticket_life

(getdate string) Specifies maximum ticket life for principals in this realm.

-maxrenewlife max_renewable_ticket_life

(getdate string) Specifies maximum renewable life of tickets for principals in this realm.

ticket_flags

Specifies global ticket flags for the realm. Allowable flags are documented in the description of the add_principal command in kadmin(1).

Example:

kdb5_ldap_util -D cn=admin,o=org -H ldaps://ldap-server1.mit.edu
    -r ATHENA.MIT.EDU create -subtrees o=org -sscope SUB
Password for "cn=admin,o=org":
Initializing database for realm 'ATHENA.MIT.EDU'
You will be prompted for the database Master Password.
It is important that you NOT FORGET this password.
Enter KDC database master key:
Re-enter KDC database master key to verify:

modify

modify [-subtrees subtree_dn_list] [-sscope search_scope] [-containerref container_reference_dn] [-maxtktlife max_ticket_life] [-maxrenewlife max_renewable_ticket_life] [ticket_flags]

Modifies the attributes of a realm. Options:
-subtrees subtree_dn_list

Specifies the list of subtrees containing the principals of a realm. The list contains the DNs of the subtree objects separated by colon (:). This list replaces the existing list.

-sscope search_scope

Specifies the scope for searching the principals under the subtrees. The possible values are 1 or one (one level), 2 or sub (subtrees).

-containerref container_reference_dn Specifies the DN of the

container object in which the principals of a realm will be created.

-maxtktlife max_ticket_life

(getdate string) Specifies maximum ticket life for principals in this realm.

-maxrenewlife max_renewable_ticket_life

(getdate string) Specifies maximum renewable life of tickets for principals in this realm.

ticket_flags

Specifies global ticket flags for the realm. Allowable flags are documented in the description of the add_principal command in kadmin(1).

Example:

shell% kdb5_ldap_util -r ATHENA.MIT.EDU -D cn=admin,o=org -H
    ldaps://ldap-server1.mit.edu modify +requires_preauth
Password for "cn=admin,o=org":
shell%

view

Displays the attributes of a realm.

Example:

kdb5_ldap_util -D cn=admin,o=org -H ldaps://ldap-server1.mit.edu
    -r ATHENA.MIT.EDU view
Password for "cn=admin,o=org":
Realm Name: ATHENA.MIT.EDU
Subtree: ou=users,o=org
Subtree: ou=servers,o=org
SearchScope: ONE
Maximum ticket life: 0 days 01:00:00
Maximum renewable life: 0 days 10:00:00
Ticket flags: DISALLOW_FORWARDABLE REQUIRES_PWCHANGE

destroy

destroy [-f]

Destroys an existing realm. Options:

-f

If specified, will not prompt the user for confirmation.

Example:

shell% kdb5_ldap_util -r ATHENA.MIT.EDU -D cn=admin,o=org -H
    ldaps://ldap-server1.mit.edu destroy
Password for "cn=admin,o=org":
Deleting KDC database of 'ATHENA.MIT.EDU', are you sure?
(type 'yes' to confirm)? yes
OK, deleting database of 'ATHENA.MIT.EDU'...
shell%

list

Lists the names of realms under the container.

Example:

shell% kdb5_ldap_util -D cn=admin,o=org -H
    ldaps://ldap-server1.mit.edu list
Password for "cn=admin,o=org":
ATHENA.MIT.EDU
OPENLDAP.MIT.EDU
MEDIA-LAB.MIT.EDU
shell%

stashsrvpw

stashsrvpw [-f filename] name

Allows an administrator to store the password for service object in a file so that KDC and Administration server can use it to authenticate to the LDAP server. Options:
-f filename

Specifies the complete path of the service password file. By default, /usr/local/var/service_passwd is used.

name

Specifies the name of the object whose password is to be stored. If krb5kdc(8) or kadmind(8) are configured for simple binding, this should be the distinguished name it will use as given by the ldap_kdc_dn or ldap_kadmind_dn variable in kdc.conf(5). If the KDC or kadmind is configured for SASL binding, this should be the authentication name it will use as given by the ldap_kdc_sasl_authcid or ldap_kadmind_sasl_authcid variable.

Example:

kdb5_ldap_util stashsrvpw -f /home/andrew/conf_keyfile
    cn=service-kdc,o=org
Password for "cn=service-kdc,o=org":
Re-enter password for "cn=service-kdc,o=org":

create_policy

create_policy [-maxtktlife max_ticket_life] [-maxrenewlife max_renewable_ticket_life] [ticket_flags] policy_name

Creates a ticket policy in the directory. Options:
-maxtktlife max_ticket_life

(getdate string) Specifies maximum ticket life for principals.

-maxrenewlife max_renewable_ticket_life

(getdate string) Specifies maximum renewable life of tickets for principals.

ticket_flags

Specifies the ticket flags. If this option is not specified, by default, no restriction will be set by the policy. Allowable flags are documented in the description of the add_principal command in kadmin(1).

policy_name

Specifies the name of the ticket policy.

Example:

kdb5_ldap_util -D cn=admin,o=org -H ldaps://ldap-server1.mit.edu
    -r ATHENA.MIT.EDU create_policy -maxtktlife "1 day"
    -maxrenewlife "1 week" -allow_postdated +needchange
    -allow_forwardable tktpolicy
Password for "cn=admin,o=org":

modify_policy

modify_policy [-maxtktlife max_ticket_life] [-maxrenewlife max_renewable_ticket_life] [ticket_flags] policy_name

Modifies the attributes of a ticket policy. Options are same as for create_policy.

Example:

kdb5_ldap_util -D cn=admin,o=org -H
    ldaps://ldap-server1.mit.edu -r ATHENA.MIT.EDU modify_policy
    -maxtktlife "60 minutes" -maxrenewlife "10 hours"
    +allow_postdated -requires_preauth tktpolicy
Password for "cn=admin,o=org":

view_policy

view_policy policy_name

Displays the attributes of the named ticket policy.

Example:

kdb5_ldap_util -D cn=admin,o=org -H ldaps://ldap-server1.mit.edu
    -r ATHENA.MIT.EDU view_policy tktpolicy
Password for "cn=admin,o=org":
Ticket policy: tktpolicy
Maximum ticket life: 0 days 01:00:00
Maximum renewable life: 0 days 10:00:00
Ticket flags: DISALLOW_FORWARDABLE REQUIRES_PWCHANGE

destroy_policy

destroy_policy [-force] policy_name

Destroys an existing ticket policy. Options:

-force

Forces the deletion of the policy object. If not specified, the user will be prompted for confirmation before deleting the policy.

policy_name

Specifies the name of the ticket policy.

Example:

kdb5_ldap_util -D cn=admin,o=org -H ldaps://ldap-server1.mit.edu
    -r ATHENA.MIT.EDU destroy_policy tktpolicy
Password for "cn=admin,o=org":
This will delete the policy object 'tktpolicy', are you sure?
(type 'yes' to confirm)? yes
** policy object 'tktpolicy' deleted.

list_policy

Lists ticket policies.

Example:

kdb5_ldap_util -D cn=admin,o=org -H ldaps://ldap-server1.mit.edu
    -r ATHENA.MIT.EDU list_policy
Password for "cn=admin,o=org":
tktpolicy
tmppolicy
userpolicy

Manpages

NAME

SYNOPSIS

DESCRIPTION

COMMAND-LINE OPTIONS

COMMANDS

ENVIRONMENT

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