1 /*
2  * lib/krb5/krb/int-proto.h
3  *
4  * Copyright 1990,1991 the Massachusetts Institute of Technology.
5  * All Rights Reserved.
6  *
7  * Export of this software from the United States of America may
8  *   require a specific license from the United States Government.
9  *   It is the responsibility of any person or organization contemplating
10  *   export to obtain such a license before exporting.
11  *
12  * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
13  * distribute this software and its documentation for any purpose and
14  * without fee is hereby granted, provided that the above copyright
15  * notice appear in all copies and that both that copyright notice and
16  * this permission notice appear in supporting documentation, and that
17  * the name of M.I.T. not be used in advertising or publicity pertaining
18  * to distribution of the software without specific, written prior
19  * permission.  Furthermore if you modify this software you must label
20  * your software as modified software and not distribute it in such a
21  * fashion that it might be confused with the original M.I.T. software.
22  * M.I.T. makes no representations about the suitability of
23  * this software for any purpose.  It is provided "as is" without express
24  * or implied warranty.
25  *
26  *
27  * Function prototypes for Kerberos V5 library internal functions.
28  */
29 
30 
31 #ifndef KRB5_INT_FUNC_PROTO__
32 #define KRB5_INT_FUNC_PROTO__
33 
34 krb5_error_code krb5_tgtname
35     	(krb5_context context,
36 	           const krb5_data *,
37 	           const krb5_data *,
38 	           krb5_principal *);
39 
40 krb5_error_code krb5_libdefault_boolean
41         (krb5_context, const krb5_data *, const char *,
42 			int *);
43 
44 krb5_error_code krb5_ser_authdata_init (krb5_context);
45 krb5_error_code krb5_ser_address_init (krb5_context);
46 krb5_error_code krb5_ser_authenticator_init (krb5_context);
47 krb5_error_code krb5_ser_checksum_init (krb5_context);
48 krb5_error_code krb5_ser_keyblock_init (krb5_context);
49 krb5_error_code krb5_ser_principal_init (krb5_context);
50 
51 krb5_error_code
52 krb5_preauth_supply_preauth_data(krb5_context context,
53 				 krb5_gic_opt_ext *opte,
54 				 const char *attr,
55 				 const char *value);
56 
57 #define in_clock_skew(date, now) (labs((date)-(now)) < context->clockskew)
58 
59 #define IS_TGS_PRINC(c, p)                                              \
60     (krb5_princ_size((c), (p)) == 2 &&                                  \
61      data_eq_string(*krb5_princ_component((c), (p), 0), KRB5_TGS_NAME))
62 
63 #endif /* KRB5_INT_FUNC_PROTO__ */
64 
65