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KRB5_SET_DEFAULT_REALM(3)  Library Functions Manual  KRB5_SET_DEFAULT_REALM(3)

NAME
     krb5_copy_host_realm, krb5_free_host_realm, krb5_get_default_realm,
     krb5_get_default_realms, krb5_get_host_realm, krb5_set_default_realm --
     default and host realm read and manipulation routines

LIBRARY
     Kerberos 5 Library (libkrb5, -lkrb5)

SYNOPSIS
     #include <&lt;krb5/krb5.h>&gt;

     krb5_error_code
     krb5_copy_host_realm(krb5_context context, const krb5_realm *from,
     krb5_realm **to);

     krb5_error_code
     krb5_free_host_realm(krb5_context context, krb5_realm *realmlist);

     krb5_error_code
     krb5_get_default_realm(krb5_context context, krb5_realm *realm);

     krb5_error_code
     krb5_get_default_realms(krb5_context context, krb5_realm **realm);

     krb5_error_code
     krb5_get_host_realm(krb5_context context, const char *host, krb5_realm
     **realms);

     krb5_error_code
     krb5_set_default_realm(krb5_context context, const char *realm);

DESCRIPTION
     krb5_copy_host_realm() copies the list of realms from from to to.  to
     should be freed by the caller using krb5_free_host_realm.

     krb5_free_host_realm() frees all memory allocated by realmlist.

     krb5_get_default_realm() returns the first default realm for this host.
     The realm returned should be freed with free().

     krb5_get_default_realms() returns a NULL terminated list of default
     realms for this context.  Realms returned by krb5_get_default_realms()
     should be freed with krb5_free_host_realm().

     krb5_get_host_realm() returns a NULL terminated list of realms for host
     by looking up the information in the [domain_realm] in krb5.conf or in
     DNS.  If the mapping in [domain_realm] results in the string dns_locate,
     DNS is used to lookup the realm.

     When using DNS to a resolve the domain for the host a.b.c,
     krb5_get_host_realm() looks for a TXT resource record named
     _kerberos.a.b.c, and if not found, it strips off the first component and
     tries a again (_kerberos.b.c) until it reaches the root.

     If there is no configuration or DNS information found,
     krb5_get_host_realm() assumes it can use the domain part of the host to
     form a realm.  Caller must free realmlist with krb5_free_host_realm().

     krb5_set_default_realm() sets the default realm for the context.  If NULL
     is used as a realm, the [libdefaults]default_realm stanza in krb5.conf is
     used.  If there is no such stanza in the configuration file, the
     krb5_get_host_realm() function is used to form a default realm.

SEE ALSO
     free(3), krb5.conf(5)

NetBSD 6.1.5                    April 24, 2005                    NetBSD 6.1.5