17c478bd9Sstevel@tonic-gate /*
2*159d09a2SMark Phalan  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
37c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
47c478bd9Sstevel@tonic-gate  */
77c478bd9Sstevel@tonic-gate /*
87c478bd9Sstevel@tonic-gate  * lib/krb5/os/ktdefname.c
97c478bd9Sstevel@tonic-gate  *
107c478bd9Sstevel@tonic-gate  * Copyright 1990 by the Massachusetts Institute of Technology.
117c478bd9Sstevel@tonic-gate  * All Rights Reserved.
127c478bd9Sstevel@tonic-gate  *
137c478bd9Sstevel@tonic-gate  * Export of this software from the United States of America may
147c478bd9Sstevel@tonic-gate  *   require a specific license from the United States Government.
157c478bd9Sstevel@tonic-gate  *   It is the responsibility of any person or organization contemplating
167c478bd9Sstevel@tonic-gate  *   export to obtain such a license before exporting.
17*159d09a2SMark Phalan  *
187c478bd9Sstevel@tonic-gate  * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
197c478bd9Sstevel@tonic-gate  * distribute this software and its documentation for any purpose and
207c478bd9Sstevel@tonic-gate  * without fee is hereby granted, provided that the above copyright
217c478bd9Sstevel@tonic-gate  * notice appear in all copies and that both that copyright notice and
227c478bd9Sstevel@tonic-gate  * this permission notice appear in supporting documentation, and that
237c478bd9Sstevel@tonic-gate  * the name of M.I.T. not be used in advertising or publicity pertaining
247c478bd9Sstevel@tonic-gate  * to distribution of the software without specific, written prior
257c478bd9Sstevel@tonic-gate  * permission.  Furthermore if you modify this software you must label
267c478bd9Sstevel@tonic-gate  * your software as modified software and not distribute it in such a
277c478bd9Sstevel@tonic-gate  * fashion that it might be confused with the original M.I.T. software.
287c478bd9Sstevel@tonic-gate  * M.I.T. makes no representations about the suitability of
297c478bd9Sstevel@tonic-gate  * this software for any purpose.  It is provided "as is" without express
307c478bd9Sstevel@tonic-gate  * or implied warranty.
31*159d09a2SMark Phalan  *
327c478bd9Sstevel@tonic-gate  *
337c478bd9Sstevel@tonic-gate  * Return default keytab file name.
347c478bd9Sstevel@tonic-gate  */
367c478bd9Sstevel@tonic-gate #define NEED_WINDOWS
38*159d09a2SMark Phalan #include "k5-int.h"
407c478bd9Sstevel@tonic-gate extern char *krb5_defkeyname;
427c478bd9Sstevel@tonic-gate /* this is a an exceedinly gross thing. */
437c478bd9Sstevel@tonic-gate char *krb5_overridekeyname = NULL;
45505d05c7Sgtb krb5_error_code KRB5_CALLCONV
krb5_kt_default_name(krb5_context context,char * name,int namesize)46505d05c7Sgtb krb5_kt_default_name(krb5_context context, char *name, int namesize)
477c478bd9Sstevel@tonic-gate {
487c478bd9Sstevel@tonic-gate     char *cp = 0;
497c478bd9Sstevel@tonic-gate     char *retval;
517c478bd9Sstevel@tonic-gate     if (krb5_overridekeyname) {
527c478bd9Sstevel@tonic-gate 	if ((size_t) namesize < (strlen(krb5_overridekeyname)+1))
537c478bd9Sstevel@tonic-gate 	    return KRB5_CONFIG_NOTENUFSPACE;
54*159d09a2SMark Phalan 	/* Solaris Kerberos */
557c478bd9Sstevel@tonic-gate 	strncpy(name, krb5_overridekeyname, namesize);
567c478bd9Sstevel@tonic-gate     } else if ((context->profile_secure == FALSE) &&
577c478bd9Sstevel@tonic-gate 	(cp = getenv("KRB5_KTNAME"))) {
587c478bd9Sstevel@tonic-gate 	if ((size_t) namesize < (strlen(cp)+1))
597c478bd9Sstevel@tonic-gate 	    return KRB5_CONFIG_NOTENUFSPACE;
60*159d09a2SMark Phalan 	/* Solaris Kerberos */
617c478bd9Sstevel@tonic-gate 	strncpy(name, cp, namesize);
627c478bd9Sstevel@tonic-gate     } else if ((profile_get_string(context->profile,
63*159d09a2SMark Phalan 				   "libdefaults",
64*159d09a2SMark Phalan 				   "default_keytab_name", NULL,
65*159d09a2SMark Phalan 				   NULL, &retval) == 0) &&
667c478bd9Sstevel@tonic-gate 	       retval) {
677c478bd9Sstevel@tonic-gate 	if ((size_t) namesize < (strlen(retval)+1))
687c478bd9Sstevel@tonic-gate 	    return KRB5_CONFIG_NOTENUFSPACE;
69*159d09a2SMark Phalan 	/* Solaris Kerberos */
707c478bd9Sstevel@tonic-gate 	strncpy(name, retval, namesize);
717c478bd9Sstevel@tonic-gate 	profile_release_string(retval);
727c478bd9Sstevel@tonic-gate     } else {
73505d05c7Sgtb #if defined(_WIN32)
747c478bd9Sstevel@tonic-gate 	{
757c478bd9Sstevel@tonic-gate 	    char    defname[160];
767c478bd9Sstevel@tonic-gate 	    int     len;
787c478bd9Sstevel@tonic-gate 	    len= GetWindowsDirectory( defname, sizeof(defname)-2 );
797c478bd9Sstevel@tonic-gate 	    defname[len]= '\0';
807c478bd9Sstevel@tonic-gate 	    if ( (len + strlen(krb5_defkeyname) + 1) > namesize )
817c478bd9Sstevel@tonic-gate 		return KRB5_CONFIG_NOTENUFSPACE;
827c478bd9Sstevel@tonic-gate 	    sprintf(name, krb5_defkeyname, defname);
837c478bd9Sstevel@tonic-gate 	}
847c478bd9Sstevel@tonic-gate #else
857c478bd9Sstevel@tonic-gate 	if ((size_t) namesize < (strlen(krb5_defkeyname)+1))
867c478bd9Sstevel@tonic-gate 	    return KRB5_CONFIG_NOTENUFSPACE;
87*159d09a2SMark Phalan 	/* Solaris Kerberos */
887c478bd9Sstevel@tonic-gate 	strncpy(name, krb5_defkeyname, namesize);
897c478bd9Sstevel@tonic-gate #endif
907c478bd9Sstevel@tonic-gate     }
917c478bd9Sstevel@tonic-gate     return 0;
927c478bd9Sstevel@tonic-gate }
93*159d09a2SMark Phalan