crypto/openssh/sshconnect.h

   1 /* $OpenBSD: sshconnect.h,v 1.46 2020/12/22 00:15:23 djm Exp $ */
   2
   3 /*
   4  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 typedef struct Sensitive Sensitive;
  28 struct Sensitive {
  29         struct sshkey   **keys;
  30         int             nkeys;
  31 };
  32
  33 struct ssh_conn_info {
  34         char *conn_hash_hex;
  35         char *shorthost;
  36         char *uidstr;
  37         char *keyalias;
  38         char *thishost;
  39         char *host_arg;
  40         char *portstr;
  41         char *remhost;
  42         char *remuser;
  43         char *homedir;
  44         char *locuser;
  45 };
  46
  47 struct addrinfo;
  48 struct ssh;
  49 struct hostkeys;
  50 struct ssh_conn_info;
  51
  52 /* default argument for client percent expansions */
  53 #define DEFAULT_CLIENT_PERCENT_EXPAND_ARGS(conn_info) \
  54         "C", conn_info->conn_hash_hex, \
  55         "L", conn_info->shorthost, \
  56         "i", conn_info->uidstr, \
  57         "k", conn_info->keyalias, \
  58         "l", conn_info->thishost, \
  59         "n", conn_info->host_arg, \
  60         "p", conn_info->portstr, \
  61         "d", conn_info->homedir, \
  62         "h", conn_info->remhost, \
  63         "r", conn_info->remuser, \
  64         "u", conn_info->locuser
  65
  66 int      ssh_connect(struct ssh *, const char *, const char *,
  67             struct addrinfo *, struct sockaddr_storage *, u_short,
  68             int, int *, int);
  69 void     ssh_kill_proxy_command(void);
  70
  71 void     ssh_login(struct ssh *, Sensitive *, const char *,
  72     struct sockaddr *, u_short, struct passwd *, int,
  73     const struct ssh_conn_info *);
  74
  75 int      verify_host_key(char *, struct sockaddr *, struct sshkey *,
  76     const struct ssh_conn_info *);
  77
  78 void     get_hostfile_hostname_ipaddr(char *, struct sockaddr *, u_short,
  79     char **, char **);
  80
  81 void     ssh_kex2(struct ssh *ssh, char *, struct sockaddr *, u_short,
  82     const struct ssh_conn_info *);
  83
  84 void     ssh_userauth2(struct ssh *ssh, const char *, const char *,
  85     char *, Sensitive *);
  86
  87 int      ssh_local_cmd(const char *);
  88
  89 void     maybe_add_key_to_agent(const char *, struct sshkey *,
  90     const char *, const char *);
  91
  92 void     load_hostkeys_command(struct hostkeys *, const char *,
  93     const char *, const struct ssh_conn_info *,
  94     const struct sshkey *, const char *);