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/*
Unix SMB/CIFS implementation.
Copyright (C) Stefan Metzmacher 2014
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 _LIBCLI_SMB_SMB2_NEGOTIATE_BLOB_H_
#define _LIBCLI_SMB_SMB2_NEGOTIATE_BLOB_H_
struct smb2_negotiate_context {
uint16_t type;
DATA_BLOB data;
};
struct smb2_negotiate_contexts {
uint16_t num_contexts;
struct smb2_negotiate_context *contexts;
};
/*
parse a set of SMB2 negotiate contexts
*/
NTSTATUS smb2_negotiate_context_parse(TALLOC_CTX *mem_ctx, const DATA_BLOB buffer,
uint16_t expected_count,
struct smb2_negotiate_contexts *contexts);
/*
negotiate a buffer of a set of negotiate contexts
*/
NTSTATUS smb2_negotiate_context_push(TALLOC_CTX *mem_ctx, DATA_BLOB *buffer,
const struct smb2_negotiate_contexts contexts);
NTSTATUS smb2_negotiate_context_add(TALLOC_CTX *mem_ctx,
struct smb2_negotiate_contexts *c,
uint16_t type,
const uint8_t *buf,
size_t buflen);
/*
* return the first context with the given tag
*/
struct smb2_negotiate_context *smb2_negotiate_context_find(const struct smb2_negotiate_contexts *b,
uint16_t type);
#define WINDOWS_CLIENT_PURE_SMB2_NEGPROT_INITIAL_CREDIT_ASK 31
struct smb3_signing_capabilities {
#define SMB3_SIGNING_CAPABILITIES_MAX_ALGOS 3
uint16_t num_algos;
uint16_t algos[SMB3_SIGNING_CAPABILITIES_MAX_ALGOS];
};
struct smb3_encryption_capabilities {
#define SMB3_ENCRYTION_CAPABILITIES_MAX_ALGOS 4
uint16_t num_algos;
uint16_t algos[SMB3_ENCRYTION_CAPABILITIES_MAX_ALGOS];
};
struct smb311_capabilities {
struct smb3_signing_capabilities signing;
struct smb3_encryption_capabilities encryption;
};
const char *smb3_signing_algorithm_name(uint16_t algo);
const char *smb3_encryption_algorithm_name(uint16_t algo);
struct smb311_capabilities smb311_capabilities_parse(const char *role,
const char * const *signing_algos,
const char * const *encryption_algos);
NTSTATUS smb311_capabilities_check(const struct smb311_capabilities *c,
const char *debug_prefix,
int debug_lvl,
NTSTATUS error_status,
const char *role,
enum protocol_types protocol,
uint16_t sign_algo,
uint16_t cipher_algo);
#endif /* _LIBCLI_SMB_SMB2_NEGOTIATE_BLOB_H_ */
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