Remove duplicate code line.
[dragonfly.git] / crypto / openssh-4 / readconf.h
1 /*      $OpenBSD: readconf.h,v 1.68 2005/12/06 22:38:27 reyk Exp $      */
2
3 /*
4  * Author: Tatu Ylonen <ylo@cs.hut.fi>
5  * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
6  *                    All rights reserved
7  * Functions for reading the configuration file.
8  *
9  * As far as I am concerned, the code I have written for this software
10  * can be used freely for any purpose.  Any derived versions of this
11  * software must be clearly marked as such, and if the derived work is
12  * incompatible with the protocol description in the RFC file, it must be
13  * called by a name other than "ssh" or "Secure Shell".
14  */
15
16 #ifndef READCONF_H
17 #define READCONF_H
18
19 #include "key.h"
20
21 /* Data structure for representing a forwarding request. */
22
23 typedef struct {
24         char     *listen_host;          /* Host (address) to listen on. */
25         u_short   listen_port;          /* Port to forward. */
26         char     *connect_host;         /* Host to connect. */
27         u_short   connect_port;         /* Port to connect on connect_host. */
28 }       Forward;
29 /* Data structure for representing option data. */
30
31 #define MAX_SEND_ENV    256
32
33 typedef struct {
34         int     forward_agent;  /* Forward authentication agent. */
35         int     forward_x11;    /* Forward X11 display. */
36         int     forward_x11_trusted;    /* Trust Forward X11 display. */
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                                         /* Try S/Key or TIS, authentication. */
47         int     gss_authentication;     /* Try GSS authentication */
48         int     gss_deleg_creds;        /* Delegate GSS credentials */
49         int     password_authentication;        /* Try password
50                                                  * authentication. */
51         int     kbd_interactive_authentication; /* Try keyboard-interactive auth. */
52         char    *kbd_interactive_devices; /* Keyboard-interactive auth devices. */
53         int     batch_mode;     /* Batch mode: do not ask for passwords. */
54         int     check_host_ip;  /* Also keep track of keys for IP address */
55         int     strict_host_key_checking;       /* Strict host key checking. */
56         int     compression;    /* Compress packets in both directions. */
57         int     compression_level;      /* Compression level 1 (fast) to 9
58                                          * (best). */
59         int     tcp_keep_alive; /* Set SO_KEEPALIVE. */
60         LogLevel log_level;     /* Level for logging. */
61
62         int     port;           /* Port to connect. */
63         int     address_family;
64         int     connection_attempts;    /* Max attempts (seconds) before
65                                          * giving up */
66         int     connection_timeout;     /* Max time (seconds) before
67                                          * aborting connection attempt */
68         int     number_of_password_prompts;     /* Max number of password
69                                                  * prompts. */
70         int     cipher;         /* Cipher to use. */
71         char   *ciphers;        /* SSH2 ciphers in order of preference. */
72         char   *macs;           /* SSH2 macs in order of preference. */
73         char   *hostkeyalgorithms;      /* SSH2 server key types in order of preference. */
74         int     protocol;       /* Protocol in order of preference. */
75         char   *hostname;       /* Real host to connect. */
76         char   *host_key_alias; /* hostname alias for .ssh/known_hosts */
77         char   *proxy_command;  /* Proxy command for connecting the host. */
78         char   *user;           /* User to log in as. */
79         int     escape_char;    /* Escape character; -2 = none */
80
81         char   *system_hostfile;/* Path for /etc/ssh/ssh_known_hosts. */
82         char   *user_hostfile;  /* Path for $HOME/.ssh/known_hosts. */
83         char   *system_hostfile2;
84         char   *user_hostfile2;
85         char   *preferred_authentications;
86         char   *bind_address;   /* local socket address for connection to sshd */
87         char   *smartcard_device; /* Smartcard reader device */
88         int     verify_host_key_dns;    /* Verify host key using DNS */
89
90         int     num_identity_files;     /* Number of files for RSA/DSA identities. */
91         char   *identity_files[SSH_MAX_IDENTITY_FILES];
92         Key    *identity_keys[SSH_MAX_IDENTITY_FILES];
93
94         /* Local TCP/IP forward requests. */
95         int     num_local_forwards;
96         Forward local_forwards[SSH_MAX_FORWARDS_PER_DIRECTION];
97
98         /* Remote TCP/IP forward requests. */
99         int     num_remote_forwards;
100         Forward remote_forwards[SSH_MAX_FORWARDS_PER_DIRECTION];
101         int     clear_forwardings;
102
103         int     enable_ssh_keysign;
104         int     rekey_limit;
105         int     no_host_authentication_for_localhost;
106         int     identities_only;
107         int     server_alive_interval;
108         int     server_alive_count_max;
109
110         int     num_send_env;
111         char   *send_env[MAX_SEND_ENV];
112
113         char    *control_path;
114         int     control_master;
115
116         int     hash_known_hosts;
117
118         int     tun_open;       /* tun(4) */
119         int     tun_local;      /* force tun device (optional) */
120         int     tun_remote;     /* force tun device (optional) */
121
122         char    *local_command;
123         int     permit_local_command;
124
125 }       Options;
126
127 #define SSHCTL_MASTER_NO        0
128 #define SSHCTL_MASTER_YES       1
129 #define SSHCTL_MASTER_AUTO      2
130 #define SSHCTL_MASTER_ASK       3
131 #define SSHCTL_MASTER_AUTO_ASK  4
132
133 void     initialize_options(Options *);
134 void     fill_default_options(Options *);
135 int      read_config_file(const char *, const char *, Options *, int);
136 int      parse_forward(Forward *, const char *);
137
138 int
139 process_config_line(Options *, const char *, char *, const char *, int, int *);
140
141 void     add_local_forward(Options *, const Forward *);
142 void     add_remote_forward(Options *, const Forward *);
143
144 #endif                          /* READCONF_H */