src/lib/krb5/krb/int-proto.h

   1 /* -*- mode: c; c-basic-offset: 4; indent-tabs-mode: nil -*- */
   2 /* lib/krb5/krb/int-proto.h - Prototypes for libkrb5 internal functions */
   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 #ifndef KRB5_INT_FUNC_PROTO__
  28 #define KRB5_INT_FUNC_PROTO__
  29
  30 krb5_error_code
  31 krb5int_tgtname(krb5_context context, const krb5_data *, const krb5_data *,
  32              krb5_principal *);
  33
  34 krb5_error_code
  35 krb5int_libdefault_boolean(krb5_context, const krb5_data *, const char *,
  36                            int *);
  37 krb5_error_code
  38 krb5int_libdefault_string(krb5_context context, const krb5_data *realm,
  39                           const char *option, char **ret_value);
  40
  41
  42 krb5_error_code krb5_ser_authdata_init (krb5_context);
  43 krb5_error_code krb5_ser_address_init (krb5_context);
  44 krb5_error_code krb5_ser_authenticator_init (krb5_context);
  45 krb5_error_code krb5_ser_checksum_init (krb5_context);
  46 krb5_error_code krb5_ser_keyblock_init (krb5_context);
  47 krb5_error_code krb5_ser_principal_init (krb5_context);
  48 krb5_error_code krb5_ser_authdata_context_init (krb5_context);
  49
  50 krb5_error_code
  51 krb5_preauth_supply_preauth_data(krb5_context context,
  52                                  krb5_gic_opt_ext *opte,
  53                                  const char *attr,
  54                                  const char *value);
  55
  56 krb5_error_code
  57 krb5int_construct_matching_creds(krb5_context context, krb5_flags options,
  58                                  krb5_creds *in_creds, krb5_creds *mcreds,
  59                                  krb5_flags *fields);
  60
  61 #define in_clock_skew(date, now) (labs((date)-(now)) < context->clockskew)
  62
  63 #define IS_TGS_PRINC(c, p)                                              \
  64     (krb5_princ_size((c), (p)) == 2 &&                                  \
  65      data_eq_string(*krb5_princ_component((c), (p), 0), KRB5_TGS_NAME))
  66
  67 krb5_error_code
  68 krb5_get_cred_via_tkt_ext (krb5_context context, krb5_creds *tkt,
  69                            krb5_flags kdcoptions, krb5_address *const *address,
  70                            krb5_pa_data **in_padata,
  71                            krb5_creds *in_cred,
  72                            krb5_error_code (*gcvt_fct)(krb5_context,
  73                                                        krb5_keyblock *,
  74                                                        krb5_kdc_req *,
  75                                                        void *),
  76                            void *gcvt_data,
  77                            krb5_pa_data ***out_padata,
  78                            krb5_pa_data ***enc_padata,
  79                            krb5_creds **out_cred,
  80                            krb5_keyblock **out_subkey);
  81
  82 krb5_error_code
  83 krb5int_make_tgs_request_ext(krb5_context context,
  84                              krb5_flags kdcoptions,
  85                              const krb5_ticket_times *timestruct,
  86                              const krb5_enctype *ktypes,
  87                              krb5_const_principal sname,
  88                              krb5_address *const *addrs,
  89                              krb5_authdata *const *authorization_data,
  90                              krb5_pa_data *const *padata,
  91                              const krb5_data *second_ticket,
  92                              krb5_creds *in_cred,
  93                              krb5_error_code (*pacb_fct)(krb5_context,
  94                                                          krb5_keyblock *,
  95                                                          krb5_kdc_req *,
  96                                                          void *),
  97                              void *pacb_data,
  98                              krb5_data *request_data,
  99                              krb5_timestamp *timestamp,
 100                              krb5_int32 *nonce,
 101                              krb5_keyblock **subkey);
 102
 103 krb5_error_code
 104 krb5int_make_tgs_request(krb5_context context,
 105                          krb5_creds *tkt,
 106                          krb5_flags kdcoptions,
 107                          krb5_address *const *address,
 108                          krb5_pa_data **in_padata,
 109                          krb5_creds *in_cred,
 110                          krb5_error_code (*pacb_fct)(krb5_context,
 111                                                      krb5_keyblock *,
 112                                                      krb5_kdc_req *,
 113                                                      void *),
 114                          void *pacb_data,
 115                          krb5_data *request_data,
 116                          krb5_timestamp *timestamp,
 117                          krb5_int32 *nonce,
 118                          krb5_keyblock **subkey);
 119
 120 krb5_error_code
 121 krb5int_process_tgs_reply(krb5_context context,
 122                           krb5_data *response_data,
 123                           krb5_creds *tkt,
 124                           krb5_flags kdcoptions,
 125                           krb5_address *const *address,
 126                           krb5_pa_data **in_padata,
 127                           krb5_creds *in_cred,
 128                           krb5_timestamp timestamp,
 129                           krb5_int32 nonce,
 130                           krb5_keyblock *subkey,
 131                           krb5_pa_data ***out_padata,
 132                           krb5_pa_data ***out_enc_padata,
 133                           krb5_creds **out_cred);
 134
 135 /* The subkey field is an output parameter; if a
 136  * tgs-rep is received then the subkey will be filled
 137  * in with the subkey needed to decrypt the TGS
 138  * response. Otherwise it will be set to null.
 139  */
 140 krb5_error_code krb5int_decode_tgs_rep(krb5_context, krb5_data *,
 141                                        const krb5_keyblock *, krb5_keyusage,
 142                                        krb5_kdc_rep ** );
 143
 144 /* Utility functions for zero-terminated enctype lists. */
 145 size_t krb5int_count_etypes(const krb5_enctype *list);
 146 krb5_error_code krb5int_copy_etypes(const krb5_enctype *old_list,
 147                                     krb5_enctype **new_list);
 148
 149 krb5_error_code
 150 krb5int_validate_times(krb5_context, krb5_ticket_times *);
 151
 152 krb5_error_code
 153 krb5int_copy_authdatum(krb5_context, const krb5_authdata *, krb5_authdata **);
 154
 155 krb5_boolean
 156 k5_privsafe_check_seqnum(krb5_context ctx, krb5_auth_context ac,
 157                          krb5_ui_4 in_seq);
 158
 159 krb5_error_code
 160 k5_privsafe_check_addrs(krb5_context context, krb5_auth_context ac,
 161                         krb5_address *msg_s_addr, krb5_address *msg_r_addr);
 162
 163 #endif /* KRB5_INT_FUNC_PROTO__ */