crypto/external/bsd/openssh/dist/readconf.h

   1 /*      $NetBSD: readconf.h,v 1.1.1.2 2009/12/27 01:07:02 christos Exp $        */
   2 /* $OpenBSD: readconf.h,v 1.79 2009/06/27 09:35:06 andreas Exp $ */
   3
   4 /*
   5  * Author: Tatu Ylonen <ylo@cs.hut.fi>
   6  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
   7  *                    All rights reserved
   8  * Functions for reading the configuration file.
   9  *
  10  * As far as I am concerned, the code I have written for this software
  11  * can be used freely for any purpose.  Any derived versions of this
  12  * software must be clearly marked as such, and if the derived work is
  13  * incompatible with the protocol description in the RFC file, it must be
  14  * called by a name other than "ssh" or "Secure Shell".
  15  */
  16
  17 #ifndef READCONF_H
  18 #define READCONF_H
  19
  20 /* Data structure for representing a forwarding request. */
  21
  22 typedef struct {
  23         char     *listen_host;          /* Host (address) to listen on. */
  24         int       listen_port;          /* Port to forward. */
  25         char     *connect_host;         /* Host to connect. */
  26         int       connect_port;         /* Port to connect on connect_host. */
  27 }       Forward;
  28 /* Data structure for representing option data. */
  29
  30 #define MAX_SEND_ENV    256
  31
  32 typedef struct {
  33         int     forward_agent;  /* Forward authentication agent. */
  34         int     forward_x11;    /* Forward X11 display. */
  35         int     forward_x11_trusted;    /* Trust Forward X11 display. */
  36         int     exit_on_forward_failure;        /* Exit if bind(2) fails for -L/-R */
  37         char   *xauth_location; /* Location for xauth program */
  38         int     gateway_ports;  /* Allow remote connects to forwarded ports. */
  39         int     use_privileged_port;    /* Don't use privileged port if false. */
  40         int     rhosts_rsa_authentication;      /* Try rhosts with RSA
  41                                                  * authentication. */
  42         int     rsa_authentication;     /* Try RSA authentication. */
  43         int     pubkey_authentication;  /* Try ssh2 pubkey authentication. */
  44         int     hostbased_authentication;       /* ssh2's rhosts_rsa */
  45         int     challenge_response_authentication;
  46 #if defined(KRB4) || defined(KRB5)
  47         int     kerberos_authentication;        /* Try Kerberos authentication. */
  48 #endif
  49 #if defined(AFS) || defined(KRB5)
  50         int     kerberos_tgt_passing;   /* Try Kerberos TGT passing. */
  51 #endif
  52 #ifdef AFS
  53         int     afs_token_passing;      /* Try AFS token passing. */
  54 #endif
  55                                         /* Try S/Key or TIS, authentication. */
  56         int     gss_authentication;     /* Try GSS authentication */
  57         int     gss_deleg_creds;        /* Delegate GSS credentials */
  58         int     password_authentication;        /* Try password
  59                                                  * authentication. */
  60         int     kbd_interactive_authentication; /* Try keyboard-interactive auth. */
  61         char    *kbd_interactive_devices; /* Keyboard-interactive auth devices. */
  62         int     zero_knowledge_password_authentication; /* Try jpake */
  63         int     batch_mode;     /* Batch mode: do not ask for passwords. */
  64         int     check_host_ip;  /* Also keep track of keys for IP address */
  65         int     strict_host_key_checking;       /* Strict host key checking. */
  66         int     compression;    /* Compress packets in both directions. */
  67         int     compression_level;      /* Compression level 1 (fast) to 9
  68                                          * (best). */
  69         int     tcp_keep_alive; /* Set SO_KEEPALIVE. */
  70         int     tcp_rcv_buf; /* user switch to set tcp recv buffer */
  71         int     tcp_rcv_buf_poll; /* Option to poll recv buf every window transfer */
  72         int     hpn_disabled;    /* Switch to disable HPN buffer management */
  73         int     hpn_buffer_size; /* User definable size for HPN buffer window */
  74
  75         LogLevel log_level;     /* Level for logging. */
  76
  77         int     port;           /* Port to connect. */
  78         int     address_family;
  79         int     connection_attempts;    /* Max attempts (seconds) before
  80                                          * giving up */
  81         int     connection_timeout;     /* Max time (seconds) before
  82                                          * aborting connection attempt */
  83         int     number_of_password_prompts;     /* Max number of password
  84                                                  * prompts. */
  85         int     cipher;         /* Cipher to use. */
  86         char   *ciphers;        /* SSH2 ciphers in order of preference. */
  87         char   *macs;           /* SSH2 macs in order of preference. */
  88         char   *hostkeyalgorithms;      /* SSH2 server key types in order of preference. */
  89         int     protocol;       /* Protocol in order of preference. */
  90         char   *hostname;       /* Real host to connect. */
  91         char   *host_key_alias; /* hostname alias for .ssh/known_hosts */
  92         char   *proxy_command;  /* Proxy command for connecting the host. */
  93         char   *user;           /* User to log in as. */
  94         int     escape_char;    /* Escape character; -2 = none */
  95
  96         char   *system_hostfile;/* Path for /etc/ssh/ssh_known_hosts. */
  97         char   *user_hostfile;  /* Path for $HOME/.ssh/known_hosts. */
  98         char   *system_hostfile2;
  99         char   *user_hostfile2;
 100         char   *preferred_authentications;
 101         char   *bind_address;   /* local socket address for connection to sshd */
 102         char   *smartcard_device; /* Smartcard reader device */
 103         int     verify_host_key_dns;    /* Verify host key using DNS */
 104
 105         int     num_identity_files;     /* Number of files for RSA/DSA identities. */
 106         char   *identity_files[SSH_MAX_IDENTITY_FILES];
 107         Key    *identity_keys[SSH_MAX_IDENTITY_FILES];
 108
 109         /* Local TCP/IP forward requests. */
 110         int     num_local_forwards;
 111         Forward local_forwards[SSH_MAX_FORWARDS_PER_DIRECTION];
 112
 113         /* Remote TCP/IP forward requests. */
 114         int     num_remote_forwards;
 115         Forward remote_forwards[SSH_MAX_FORWARDS_PER_DIRECTION];
 116         int     clear_forwardings;
 117
 118         int     enable_ssh_keysign;
 119         int64_t rekey_limit;
 120         int     none_switch;    /* Use none cipher */
 121         int     none_enabled;   /* Allow none to be used */
 122         int     no_host_authentication_for_localhost;
 123         int     identities_only;
 124         int     server_alive_interval;
 125         int     server_alive_count_max;
 126
 127         int     num_send_env;
 128         char   *send_env[MAX_SEND_ENV];
 129
 130         char    *control_path;
 131         int     control_master;
 132
 133         int     hash_known_hosts;
 134
 135         int     tun_open;       /* tun(4) */
 136         int     tun_local;      /* force tun device (optional) */
 137         int     tun_remote;     /* force tun device (optional) */
 138
 139         char    *local_command;
 140         int     permit_local_command;
 141         int     visual_host_key;
 142
 143         int     use_roaming;
 144
 145 }       Options;
 146
 147 #define SSHCTL_MASTER_NO        0
 148 #define SSHCTL_MASTER_YES       1
 149 #define SSHCTL_MASTER_AUTO      2
 150 #define SSHCTL_MASTER_ASK       3
 151 #define SSHCTL_MASTER_AUTO_ASK  4
 152
 153 void     initialize_options(Options *);
 154 void     fill_default_options(Options *);
 155 int      read_config_file(const char *, const char *, Options *, int);
 156 int      parse_forward(Forward *, const char *, int, int);
 157
 158 int
 159 process_config_line(Options *, const char *, char *, const char *, int, int *);
 160
 161 void     add_local_forward(Options *, const Forward *);
 162 void     add_remote_forward(Options *, const Forward *);
 163
 164 #endif                          /* READCONF_H */