source3/librpc/crypto/spnego.h

   1 /*
   2  *  SPNEGO Encapsulation
   3  *  RPC Pipe client routines
   4  *  Copyright (C) Simo Sorce 2010.
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 3 of the License, or
   9  *  (at your option) any later version.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  18  */
  19
  20 #ifndef _CLI_SPNEGO_H_
  21 #define _CLI_SPENGO_H_
  22
  23 enum spnego_mech {
  24         SPNEGO_NONE = 0,
  25         SPNEGO_KRB5,
  26         SPNEGO_NTLMSSP
  27 };
  28
  29 struct spnego_context {
  30         enum spnego_mech mech;
  31
  32         union {
  33                 struct auth_ntlmssp_state *ntlmssp_state;
  34                 struct gse_context *gssapi_state;
  35         } mech_ctx;
  36
  37         char *oid_list[ASN1_MAX_OIDS];
  38         char *mech_oid;
  39
  40         enum {
  41                 SPNEGO_CONV_INIT = 0,
  42                 SPNEGO_CONV_NEGO,
  43                 SPNEGO_CONV_AUTH_MORE,
  44                 SPNEGO_CONV_AUTH_CONFIRM,
  45                 SPNEGO_CONV_AUTH_DONE
  46         } state;
  47
  48         bool do_sign;
  49         bool do_seal;
  50         bool is_dcerpc;
  51
  52         struct tsocket_address *remote_address;
  53 };
  54
  55 NTSTATUS spnego_gssapi_init_client(TALLOC_CTX *mem_ctx,
  56                                    bool do_sign, bool do_seal,
  57                                    bool is_dcerpc,
  58                                    const char *ccache_name,
  59                                    const char *server,
  60                                    const char *service,
  61                                    const char *username,
  62                                    const char *password,
  63                                    struct spnego_context **spengo_ctx);
  64 NTSTATUS spnego_ntlmssp_init_client(TALLOC_CTX *mem_ctx,
  65                                     bool do_sign, bool do_seal,
  66                                     bool is_dcerpc,
  67                                     const char *domain,
  68                                     const char *username,
  69                                     const char *password,
  70                                     struct spnego_context **spnego_ctx);
  71
  72 NTSTATUS spnego_get_client_auth_token(TALLOC_CTX *mem_ctx,
  73                                       struct spnego_context *sp_ctx,
  74                                       DATA_BLOB *spnego_in,
  75                                       DATA_BLOB *spnego_out);
  76
  77 bool spnego_require_more_processing(struct spnego_context *sp_ctx);
  78
  79 NTSTATUS spnego_get_negotiated_mech(struct spnego_context *sp_ctx,
  80                                     enum spnego_mech *type,
  81                                     void **auth_context);
  82
  83 DATA_BLOB spnego_get_session_key(TALLOC_CTX *mem_ctx,
  84                                  struct spnego_context *sp_ctx);
  85
  86 NTSTATUS spnego_sign(TALLOC_CTX *mem_ctx,
  87                         struct spnego_context *sp_ctx,
  88                         DATA_BLOB *data, DATA_BLOB *full_data,
  89                         DATA_BLOB *signature);
  90 NTSTATUS spnego_sigcheck(TALLOC_CTX *mem_ctx,
  91                          struct spnego_context *sp_ctx,
  92                          DATA_BLOB *data, DATA_BLOB *full_data,
  93                          DATA_BLOB *signature);
  94 NTSTATUS spnego_seal(TALLOC_CTX *mem_ctx,
  95                         struct spnego_context *sp_ctx,
  96                         DATA_BLOB *data, DATA_BLOB *full_data,
  97                         DATA_BLOB *signature);
  98 NTSTATUS spnego_unseal(TALLOC_CTX *mem_ctx,
  99                         struct spnego_context *sp_ctx,
 100                         DATA_BLOB *data, DATA_BLOB *full_data,
 101                         DATA_BLOB *signature);
 102
 103 #endif /* _CLI_SPENGO_H_ */