Files
libssh/include/libssh/kex.h
Aris Adamantiadis 3876976ced CVE-2023-48795: Server side mitigations
Signed-off-by: Aris Adamantiadis <aris@0xbadc0de.be>
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
2023-12-18 17:35:04 +01:00

73 lines
2.6 KiB
C

/*
* This file is part of the SSH Library
*
* Copyright (c) 2009 by Aris Adamantiadis
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef KEX_H_
#define KEX_H_
#include "libssh/priv.h"
#include "libssh/callbacks.h"
#define SSH_KEX_METHODS 10
struct ssh_kex_struct {
unsigned char cookie[16];
char *methods[SSH_KEX_METHODS];
};
#ifdef __cplusplus
extern "C" {
#endif
SSH_PACKET_CALLBACK(ssh_packet_kexinit);
int ssh_send_kex(ssh_session session);
void ssh_list_kex(struct ssh_kex_struct *kex);
int ssh_set_client_kex(ssh_session session);
int ssh_kex_append_extensions(ssh_session session, struct ssh_kex_struct *pkex);
int ssh_kex_select_methods(ssh_session session);
int ssh_verify_existing_algo(enum ssh_kex_types_e algo, const char *name);
char *ssh_keep_known_algos(enum ssh_kex_types_e algo, const char *list);
char *ssh_keep_fips_algos(enum ssh_kex_types_e algo, const char *list);
char *ssh_add_to_default_algos(enum ssh_kex_types_e algo, const char *list);
char *ssh_remove_from_default_algos(enum ssh_kex_types_e algo,
const char *list);
char *ssh_prefix_default_algos(enum ssh_kex_types_e algo, const char *list);
char **ssh_space_tokenize(const char *chain);
int ssh_get_kex1(ssh_session session);
char *ssh_find_matching(const char *in_d, const char *what_d);
const char *ssh_kex_get_supported_method(uint32_t algo);
const char *ssh_kex_get_default_methods(uint32_t algo);
const char *ssh_kex_get_fips_methods(uint32_t algo);
const char *ssh_kex_get_description(uint32_t algo);
char *ssh_client_select_hostkeys(ssh_session session);
int ssh_send_rekex(ssh_session session);
int server_set_kex(ssh_session session);
int ssh_make_sessionid(ssh_session session);
/* add data for the final cookie */
int ssh_hashbufin_add_cookie(ssh_session session, unsigned char *cookie);
int ssh_hashbufout_add_cookie(ssh_session session);
int ssh_generate_session_keys(ssh_session session);
#ifdef __cplusplus
}
#endif
#endif /* KEX_H_ */