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/* $OpenBSD: sshconnect.h,v 1.49 2025/03/01 06:11:26 dtucker Exp $ */
/*
* Copyright (c) 2000 Markus Friedl. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
struct sshkey;
typedef struct Sensitive Sensitive;
struct Sensitive {
struct sshkey **keys;
int nkeys;
};
struct ssh_conn_info {
char *conn_hash_hex;
char *shorthost;
char *uidstr;
char *keyalias;
char *thishost;
char *host_arg;
char *portstr;
char *remhost;
char *remuser;
char *homedir;
char *locuser;
char *jmphost;
};
struct addrinfo;
struct ssh;
struct hostkeys;
struct ssh_conn_info;
/* default argument for client percent expansions, minus remote user */
#define DEFAULT_CLIENT_PERCENT_EXPAND_ARGS_NOUSER(conn_info) \
"L", conn_info->shorthost, \
"i", conn_info->uidstr, \
"k", conn_info->keyalias, \
"l", conn_info->thishost, \
"n", conn_info->host_arg, \
"p", conn_info->portstr, \
"d", conn_info->homedir, \
"h", conn_info->remhost, \
"u", conn_info->locuser, \
"j", conn_info->jmphost
/* same plus remote user and hash which has user as a component */
#define DEFAULT_CLIENT_PERCENT_EXPAND_ARGS(conn_info) \
DEFAULT_CLIENT_PERCENT_EXPAND_ARGS_NOUSER(conn_info), \
"C", conn_info->conn_hash_hex, \
"r", conn_info->remuser
int ssh_connect(struct ssh *, const char *, const char *,
struct addrinfo *, struct sockaddr_storage *, u_short,
int, int *, int);
void ssh_kill_proxy_command(void);
void ssh_login(struct ssh *, Sensitive *, const char *,
struct sockaddr *, u_short, struct passwd *, int,
const struct ssh_conn_info *);
int verify_host_key(char *, struct sockaddr *, struct sshkey *,
const struct ssh_conn_info *);
void get_hostfile_hostname_ipaddr(char *, struct sockaddr *, u_short,
char **, char **);
void ssh_kex2(struct ssh *ssh, char *, struct sockaddr *, u_short,
const struct ssh_conn_info *);
void ssh_userauth2(struct ssh *ssh, const char *, const char *,
char *, Sensitive *);
int ssh_local_cmd(const char *);
void maybe_add_key_to_agent(const char *, struct sshkey *,
const char *, const char *);
void load_hostkeys_command(struct hostkeys *, const char *,
const char *, const struct ssh_conn_info *,
const struct sshkey *, const char *);
int hostkey_accepted_by_hostkeyalgs(const struct sshkey *);
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