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 #if defined(HAVE_KRB5)
  22
  23 #include "auth/kerberos/krb5_init_context.h"
  24 #include "librpc/gen_ndr/krb5pac.h"
  25
  26 struct auth_serversupplied_info;
  27 struct cli_credentials;
  28
  29 struct ccache_container {
  30         struct smb_krb5_context *smb_krb5_context;
  31         krb5_ccache ccache;
  32 };
  33
  34 struct keytab_container {
  35         struct smb_krb5_context *smb_krb5_context;
  36         krb5_keytab keytab;
  37 };
  38
  39 /* not really ASN.1, but RFC 1964 */
  40 #define TOK_ID_KRB_AP_REQ       ((const uint8_t *)"\x01\x00")
  41 #define TOK_ID_KRB_AP_REP       ((const uint8_t *)"\x02\x00")
  42 #define TOK_ID_KRB_ERROR        ((const uint8_t *)"\x03\x00")
  43 #define TOK_ID_GSS_GETMIC       ((const uint8_t *)"\x01\x01")
  44 #define TOK_ID_GSS_WRAP         ((const uint8_t *)"\x02\x01")
  45
  46 #ifdef HAVE_KRB5_KEYBLOCK_KEYVALUE
  47 #define KRB5_KEY_TYPE(k)        ((k)->keytype)
  48 #define KRB5_KEY_LENGTH(k)      ((k)->keyvalue.length)
  49 #define KRB5_KEY_DATA(k)        ((k)->keyvalue.data)
  50 #else
  51 #define KRB5_KEY_TYPE(k)        ((k)->enctype)
  52 #define KRB5_KEY_LENGTH(k)      ((k)->length)
  53 #define KRB5_KEY_DATA(k)        ((k)->contents)
  54 #endif /* HAVE_KRB5_KEYBLOCK_KEYVALUE */
  55
  56 #define ENC_ALL_TYPES (ENC_CRC32 | ENC_RSA_MD5 | ENC_RC4_HMAC_MD5 |     \
  57                        ENC_HMAC_SHA1_96_AES128 | ENC_HMAC_SHA1_96_AES256)
  58
  59 #ifndef HAVE_KRB5_SET_REAL_TIME
  60 krb5_error_code krb5_set_real_time(krb5_context context, int32_t seconds, int32_t microseconds);
  61 #endif
  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 void setup_kaddr( krb5_address *pkaddr, struct sockaddr *paddr);
  81 int create_kerberos_key_from_string(krb5_context context, krb5_principal host_princ, krb5_data *password, krb5_keyblock *key, krb5_enctype enctype);
  82 int create_kerberos_key_from_string_direct(krb5_context context, krb5_principal host_princ, krb5_data *password, krb5_keyblock *key, krb5_enctype enctype);
  83 krb5_const_principal get_principal_from_tkt(krb5_ticket *tkt);
  84 krb5_error_code get_kerberos_allowed_etypes(krb5_context context, krb5_enctype **enctypes);
  85 void free_kerberos_etypes(krb5_context context, krb5_enctype *enctypes);
  86 bool get_krb5_smb_session_key(krb5_context context, krb5_auth_context auth_context, DATA_BLOB *session_key, bool remote);
  87 krb5_error_code ads_krb5_mk_req(krb5_context context,
  88                                 krb5_auth_context *auth_context,
  89                                 const krb5_flags ap_req_options,
  90                                 const char *principal,
  91                                 krb5_ccache ccache,
  92                                 krb5_data *outbuf);
  93 bool get_auth_data_from_tkt(TALLOC_CTX *mem_ctx, DATA_BLOB *auth_data, krb5_ticket *tkt);
  94 krb5_error_code kerberos_kinit_password_cc(krb5_context ctx, krb5_ccache cc,
  95                                            krb5_principal principal, const char *password,
  96                                            krb5_principal impersonate_principal, const char *target_service,
  97                                            krb5_get_init_creds_opt *krb_options,
  98                                            time_t *expire_time, time_t *kdc_time);
  99 krb5_error_code kerberos_kinit_keyblock_cc(krb5_context ctx, krb5_ccache cc,
 100                                            krb5_principal principal, krb5_keyblock *keyblock,
 101                                            const char *target_service,
 102                                            krb5_get_init_creds_opt *krb_options,
 103                                            time_t *expire_time, time_t *kdc_time);
 104 krb5_principal kerberos_fetch_salt_princ_for_host_princ(krb5_context context,
 105                                                         krb5_principal host_princ,
 106                                                         int enctype);
 107 void kerberos_set_creds_enctype(krb5_creds *pcreds, int enctype);
 108 bool kerberos_compatible_enctypes(krb5_context context, krb5_enctype enctype1, krb5_enctype enctype2);
 109 void kerberos_free_data_contents(krb5_context context, krb5_data *pdata);
 110 krb5_error_code smb_krb5_kt_free_entry(krb5_context context, krb5_keytab_entry *kt_entry);
 111 char *smb_get_krb5_error_message(krb5_context context, krb5_error_code code, TALLOC_CTX *mem_ctx);
 112 NTSTATUS kerberos_decode_pac(TALLOC_CTX *mem_ctx,
 113                              struct PAC_DATA **pac_data_out,
 114                              DATA_BLOB blob,
 115                              krb5_context context,
 116                              const krb5_keyblock *krbtgt_keyblock,
 117                              const krb5_keyblock *service_keyblock,
 118                              krb5_const_principal client_principal,
 119                              time_t tgs_authtime,
 120                              krb5_error_code *k5ret);
 121  NTSTATUS kerberos_pac_logon_info(TALLOC_CTX *mem_ctx,
 122                                   struct PAC_LOGON_INFO **logon_info,
 123                                   DATA_BLOB blob,
 124                                   krb5_context context,
 125                                   const krb5_keyblock *krbtgt_keyblock,
 126                                   const krb5_keyblock *service_keyblock,
 127                                   krb5_const_principal client_principal,
 128                                   time_t tgs_authtime,
 129                                   krb5_error_code *k5ret);
 130  krb5_error_code kerberos_encode_pac(TALLOC_CTX *mem_ctx,
 131                                     struct PAC_DATA *pac_data,
 132                                     krb5_context context,
 133                                     const krb5_keyblock *krbtgt_keyblock,
 134                                     const krb5_keyblock *service_keyblock,
 135                                     DATA_BLOB *pac);
 136  krb5_error_code kerberos_create_pac(TALLOC_CTX *mem_ctx,
 137                                      struct auth_serversupplied_info *server_info,
 138                                      krb5_context context,
 139                                      const krb5_keyblock *krbtgt_keyblock,
 140                                      const krb5_keyblock *service_keyblock,
 141                                      krb5_principal client_principal,
 142                                      time_t tgs_authtime,
 143                                      DATA_BLOB *pac);
 144 struct loadparm_context;
 145 struct ldb_message;
 146 struct ldb_context;
 147 uint32_t kerberos_enctype_to_bitmap(krb5_enctype enc_type_enum);
 148 /* Translate between the Microsoft msDS-SupportedEncryptionTypes values and the IETF encryption type values */
 149 krb5_enctype kerberos_enctype_bitmap_to_enctype(uint32_t enctype_bitmap);
 150 krb5_error_code smb_krb5_update_keytab(TALLOC_CTX *parent_ctx,
 151                                        struct smb_krb5_context *smb_krb5_context,
 152                                        struct ldb_context *ldb,
 153                                        struct ldb_message *msg,
 154                                        bool delete_all_kvno,
 155                                        const char **error_string);
 156
 157 #include "auth/kerberos/proto.h"
 158
 159 #endif /* HAVE_KRB5 */