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/*
Unix SMB/CIFS implementation.
SMB Transport encryption code.
Copyright (C) Jeremy Allison 2007.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _HEADER_SMB_CRYPT_H
#define _HEADER_SMB_CRYPT_H
#if HAVE_GSSAPI_GSSAPI_H
#include <gssapi/gssapi.h>
#elif HAVE_GSSAPI_GSSAPI_GENERIC_H
#include <gssapi/gssapi_generic.h>
#elif HAVE_GSSAPI_H
#include <gssapi.h>
#endif
/* Transport encryption state. */
enum smb_trans_enc_type {
SMB_TRANS_ENC_NTLM
#if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
, SMB_TRANS_ENC_GSS
#endif
};
#if defined(HAVE_GSSAPI) && defined(HAVE_KRB5)
struct smb_tran_enc_state_gss {
gss_ctx_id_t gss_ctx;
gss_cred_id_t creds;
};
#endif
struct smb_trans_enc_state {
enum smb_trans_enc_type smb_enc_type;
uint16_t enc_ctx_num;
bool enc_on;
union {
struct gensec_security *gensec_security;
} s;
};
/* The following definitions come from smb_seal.c */
NTSTATUS get_enc_ctx_num(const uint8_t *buf, uint16_t *p_enc_ctx_num);
bool common_encryption_on(struct smb_trans_enc_state *es);
NTSTATUS common_encrypt_buffer(struct smb_trans_enc_state *es, char *buffer, char **buf_out);
NTSTATUS common_decrypt_buffer(struct smb_trans_enc_state *es, char *buf);
void common_free_encryption_state(struct smb_trans_enc_state **pp_es);
void common_free_enc_buffer(struct smb_trans_enc_state *es, char *buf);
#endif /* _HEADER_SMB_CRYPT_H */
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