libcli/smb/smb_seal.h

   1 /*
   2    Unix SMB/CIFS implementation.
   3    SMB Transport encryption code.
   4    Copyright (C) Jeremy Allison 2007.
   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 _HEADER_SMB_CRYPT_H
  21 #define _HEADER_SMB_CRYPT_H
  22
  23 struct smb_trans_enc_state {
  24         uint16_t enc_ctx_num;
  25         bool enc_on;
  26         struct gensec_security *gensec_security;
  27 };
  28
  29 /* The following definitions come from smb_seal.c  */
  30
  31 NTSTATUS get_enc_ctx_num(const uint8_t *buf, uint16_t *p_enc_ctx_num);
  32 bool common_encryption_on(struct smb_trans_enc_state *es);
  33 NTSTATUS common_encrypt_buffer(struct smb_trans_enc_state *es, char *buffer, char **buf_out);
  34 NTSTATUS common_decrypt_buffer(struct smb_trans_enc_state *es, char *buf);
  35 void common_free_enc_buffer(struct smb_trans_enc_state *es, char *buf);
  36
  37 #endif /* _HEADER_SMB_CRYPT_H */