auth/kerberos/pac_utils.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    kerberos authorization data (PAC) utility library
   4    Copyright (C) Andrew Bartlett <abartlet@samba.org> 2011
   5    Copyright (C) Simo Sorce 2010-2012
   6
   7    This program is free software; you can redistribute it and/or modify
   8    it under the terms of the GNU General Public License as published by
   9    the Free Software Foundation; either version 3 of the License, or
  10    (at your option) any later version.
  11
  12    This program is distributed in the hope that it will be useful,
  13    but WITHOUT ANY WARRANTY; without even the implied warranty of
  14    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15    GNU General Public License for more details.
  16
  17    You should have received a copy of the GNU General Public License
  18    along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19 */
  20
  21 #ifndef _PAC_UTILS_H
  22 #define _PAC_UTILS_H
  23
  24 #ifdef HAVE_KRB5
  25
  26 #include "lib/krb5_wrap/krb5_samba.h"
  27 #include "lib/krb5_wrap/gss_samba.h"
  28
  29 struct PAC_SIGNATURE_DATA;
  30 struct PAC_DATA;
  31 struct PAC_LOGON_INFO;
  32
  33 krb5_error_code check_pac_checksum(DATA_BLOB pac_data,
  34                                    struct PAC_SIGNATURE_DATA *sig,
  35                                    krb5_context context,
  36                                    const krb5_keyblock *keyblock);
  37
  38 NTSTATUS kerberos_decode_pac(TALLOC_CTX *mem_ctx,
  39                              DATA_BLOB pac_data_blob,
  40                              krb5_context context,
  41                              const krb5_keyblock *krbtgt_keyblock,
  42                              const krb5_keyblock *service_keyblock,
  43                              krb5_const_principal client_principal,
  44                              time_t tgs_authtime,
  45                              struct PAC_DATA **pac_data_out);
  46
  47 NTSTATUS kerberos_pac_logon_info(TALLOC_CTX *mem_ctx,
  48                                  DATA_BLOB blob,
  49                                  krb5_context context,
  50                                  const krb5_keyblock *krbtgt_keyblock,
  51                                  const krb5_keyblock *service_keyblock,
  52                                  krb5_const_principal client_principal,
  53                                  time_t tgs_authtime,
  54                                  struct PAC_LOGON_INFO **logon_info);
  55
  56 struct PAC_DATA;
  57 struct PAC_DATA_CTR {
  58         DATA_BLOB pac_blob;
  59         struct PAC_DATA *pac_data;
  60 };
  61
  62 struct auth4_context *auth4_context_for_PAC_DATA_CTR(TALLOC_CTX *mem_ctx);
  63 struct PAC_DATA_CTR *auth4_context_get_PAC_DATA_CTR(struct auth4_context *auth_ctx,
  64                                                     TALLOC_CTX *mem_ctx);
  65
  66 NTSTATUS gssapi_obtain_pac_blob(TALLOC_CTX *mem_ctx,
  67                                 gss_ctx_id_t gssapi_context,
  68                                 gss_name_t gss_client_name,
  69                                 DATA_BLOB *pac_data);
  70 NTSTATUS gssapi_get_session_key(TALLOC_CTX *mem_ctx,
  71                                 gss_ctx_id_t gssapi_context,
  72                                 DATA_BLOB *session_key,
  73                                 uint32_t *keytype);
  74
  75 /* not the best place here, need to move to a more generic gssapi
  76  * wrapper later */
  77 char *gssapi_error_string(TALLOC_CTX *mem_ctx,
  78                           OM_uint32 maj_stat, OM_uint32 min_stat,
  79                           const gss_OID mech);
  80 #endif /* HAVE_KRB5 */
  81 #endif /* _PAC_UTILS_H */