source4/auth/kerberos/kerberos.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    simple kerberos5 routines for active directory
   4    Copyright (C) Andrew Tridgell 2001
   5    Copyright (C) Luke Howard 2002-2003
   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 _AUTH_KERBEROS_H_
  22 #define _AUTH_KERBEROS_H_
  23
  24 #if defined(HAVE_KRB5)
  25
  26 #include "auth/kerberos/krb5_init_context.h"
  27 #include "librpc/gen_ndr/krb5pac.h"
  28 #include "libcli/auth/krb5_wrap.h"
  29
  30 struct auth_user_info_dc;
  31 struct cli_credentials;
  32
  33 struct ccache_container {
  34         struct smb_krb5_context *smb_krb5_context;
  35         krb5_ccache ccache;
  36 };
  37
  38 struct keytab_container {
  39         struct smb_krb5_context *smb_krb5_context;
  40         krb5_keytab keytab;
  41 };
  42
  43 /* not really ASN.1, but RFC 1964 */
  44 #define TOK_ID_KRB_AP_REQ       ((const uint8_t *)"\x01\x00")
  45 #define TOK_ID_KRB_AP_REP       ((const uint8_t *)"\x02\x00")
  46 #define TOK_ID_KRB_ERROR        ((const uint8_t *)"\x03\x00")
  47 #define TOK_ID_GSS_GETMIC       ((const uint8_t *)"\x01\x01")
  48 #define TOK_ID_GSS_WRAP         ((const uint8_t *)"\x02\x01")
  49
  50 #ifdef HAVE_KRB5_KEYBLOCK_KEYVALUE
  51 #define KRB5_KEY_TYPE(k)        ((k)->keytype)
  52 #define KRB5_KEY_LENGTH(k)      ((k)->keyvalue.length)
  53 #define KRB5_KEY_DATA(k)        ((k)->keyvalue.data)
  54 #else
  55 #define KRB5_KEY_TYPE(k)        ((k)->enctype)
  56 #define KRB5_KEY_LENGTH(k)      ((k)->length)
  57 #define KRB5_KEY_DATA(k)        ((k)->contents)
  58 #endif /* HAVE_KRB5_KEYBLOCK_KEYVALUE */
  59
  60 #define ENC_ALL_TYPES (ENC_CRC32 | ENC_RSA_MD5 | ENC_RC4_HMAC_MD5 |     \
  61                        ENC_HMAC_SHA1_96_AES128 | ENC_HMAC_SHA1_96_AES256)
  62
  63 #ifndef HAVE_KRB5_SET_DEFAULT_TGS_KTYPES
  64 krb5_error_code krb5_set_default_tgs_ktypes(krb5_context ctx, const krb5_enctype *enc);
  65 #endif
  66
  67 #if defined(HAVE_KRB5_AUTH_CON_SETKEY) && !defined(HAVE_KRB5_AUTH_CON_SETUSERUSERKEY)
  68 krb5_error_code krb5_auth_con_setuseruserkey(krb5_context context, krb5_auth_context auth_context, krb5_keyblock *keyblock);
  69 #endif
  70
  71 #ifndef HAVE_KRB5_FREE_UNPARSED_NAME
  72 void krb5_free_unparsed_name(krb5_context ctx, char *val);
  73 #endif
  74
  75 #if defined(HAVE_KRB5_PRINCIPAL_GET_COMP_STRING) && !defined(HAVE_KRB5_PRINC_COMPONENT)
  76 const krb5_data *krb5_princ_component(krb5_context context, krb5_principal principal, int i );
  77 #endif
  78
  79 /* Samba wrapper function for krb5 functionality. */
  80 krb5_error_code kerberos_kinit_password_cc(krb5_context ctx, krb5_ccache cc,
  81                                            krb5_principal principal, const char *password,
  82                                            krb5_principal impersonate_principal,
  83                                            const char *self_service,
  84                                            const char *target_service,
  85                                            krb5_get_init_creds_opt *krb_options,
  86                                            time_t *expire_time, time_t *kdc_time);
  87 krb5_error_code kerberos_kinit_keyblock_cc(krb5_context ctx, krb5_ccache cc,
  88                                            krb5_principal principal, krb5_keyblock *keyblock,
  89                                            const char *target_service,
  90                                            krb5_get_init_creds_opt *krb_options,
  91                                            time_t *expire_time, time_t *kdc_time);
  92 NTSTATUS kerberos_pac_logon_info(TALLOC_CTX *mem_ctx,
  93                                  DATA_BLOB blob,
  94                                  krb5_context context,
  95                                  const krb5_keyblock *krbtgt_keyblock,
  96                                  const krb5_keyblock *service_keyblock,
  97                                  krb5_const_principal client_principal,
  98                                  time_t tgs_authtime,
  99                                  struct PAC_LOGON_INFO **logon_info);
 100  krb5_error_code kerberos_encode_pac(TALLOC_CTX *mem_ctx,
 101                                     struct PAC_DATA *pac_data,
 102                                     krb5_context context,
 103                                     const krb5_keyblock *krbtgt_keyblock,
 104                                     const krb5_keyblock *service_keyblock,
 105                                     DATA_BLOB *pac);
 106  krb5_error_code kerberos_create_pac(TALLOC_CTX *mem_ctx,
 107                                      struct auth_user_info_dc *user_info_dc,
 108                                      krb5_context context,
 109                                      const krb5_keyblock *krbtgt_keyblock,
 110                                      const krb5_keyblock *service_keyblock,
 111                                      krb5_principal client_principal,
 112                                      time_t tgs_authtime,
 113                                      DATA_BLOB *pac);
 114 struct loadparm_context;
 115 struct ldb_message;
 116 struct ldb_context;
 117 uint32_t kerberos_enctype_to_bitmap(krb5_enctype enc_type_enum);
 118 /* Translate between the Microsoft msDS-SupportedEncryptionTypes values and the IETF encryption type values */
 119 krb5_enctype kerberos_enctype_bitmap_to_enctype(uint32_t enctype_bitmap);
 120 krb5_error_code smb_krb5_update_keytab(TALLOC_CTX *parent_ctx,
 121                                        struct smb_krb5_context *smb_krb5_context,
 122                                        struct ldb_context *ldb,
 123                                        struct ldb_message *msg,
 124                                        bool delete_all_kvno,
 125                                        const char **error_string);
 126
 127 #include "auth/kerberos/proto.h"
 128
 129 #endif /* HAVE_KRB5 */
 130
 131 #endif /* _AUTH_KERBEROS_H_ */