1 /* $OpenBSD: readconf.h,v 1.59 2003/12/16 15:49:51 markus Exp $ */
4 * Author: Tatu Ylonen <ylo@cs.hut.fi>
5 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
7 * Functions for reading the configuration file.
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".
21 /* Data structure for representing a forwarding request. */
24 u_short port; /* Port to forward. */
25 char *host; /* Host to connect. */
26 u_short host_port; /* Port to connect on host. */
28 /* Data structure for representing option data. */
31 int forward_agent; /* Forward authentication agent. */
32 int forward_x11; /* Forward X11 display. */
33 int forward_x11_trusted; /* Trust Forward X11 display. */
34 char *xauth_location; /* Location for xauth program */
35 int gateway_ports; /* Allow remote connects to forwarded ports. */
36 int use_privileged_port; /* Don't use privileged port if false. */
37 int rhosts_rsa_authentication; /* Try rhosts with RSA
39 int rsa_authentication; /* Try RSA authentication. */
40 int pubkey_authentication; /* Try ssh2 pubkey authentication. */
41 int hostbased_authentication; /* ssh2's rhosts_rsa */
42 int challenge_response_authentication;
43 /* Try S/Key or TIS, authentication. */
44 int gss_authentication; /* Try GSS authentication */
46 int gss_deleg_creds; /* Delegate GSS credentials */
47 int password_authentication; /* Try password
49 int kbd_interactive_authentication; /* Try keyboard-interactive auth. */
50 char *kbd_interactive_devices; /* Keyboard-interactive auth devices. */
51 int batch_mode; /* Batch mode: do not ask for passwords. */
52 int check_host_ip; /* Also keep track of keys for IP address */
53 int strict_host_key_checking; /* Strict host key checking. */
54 int compression; /* Compress packets in both directions. */
55 int compression_level; /* Compression level 1 (fast) to 9
57 int tcp_keep_alive; /* Set SO_KEEPALIVE. */
58 LogLevel log_level; /* Level for logging. */
60 int port; /* Port to connect. */
62 int connection_attempts; /* Max attempts (seconds) before
64 int connection_timeout; /* Max time (seconds) before
65 * aborting connection attempt */
66 int number_of_password_prompts; /* Max number of password
68 int cipher; /* Cipher to use. */
69 char *ciphers; /* SSH2 ciphers in order of preference. */
70 char *macs; /* SSH2 macs in order of preference. */
71 char *hostkeyalgorithms; /* SSH2 server key types in order of preference. */
72 int protocol; /* Protocol in order of preference. */
73 char *hostname; /* Real host to connect. */
74 char *host_key_alias; /* hostname alias for .ssh/known_hosts */
75 char *proxy_command; /* Proxy command for connecting the host. */
76 char *user; /* User to log in as. */
77 int implicit; /* Login user was not specified.
78 Server may choose based on authctxt. */
79 int escape_char; /* Escape character; -2 = none */
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;
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 */
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];
94 /* Local TCP/IP forward requests. */
95 int num_local_forwards;
96 Forward local_forwards[SSH_MAX_FORWARDS_PER_DIRECTION];
98 /* Remote TCP/IP forward requests. */
99 int num_remote_forwards;
100 Forward remote_forwards[SSH_MAX_FORWARDS_PER_DIRECTION];
101 int clear_forwardings;
103 int enable_ssh_keysign;
105 int no_host_authentication_for_localhost;
106 int server_alive_interval;
107 int server_alive_count_max;
111 void initialize_options(Options *);
112 void fill_default_options(Options *);
113 int read_config_file(const char *, const char *, Options *);
116 process_config_line(Options *, const char *, char *, const char *, int, int *);
118 void add_local_forward(Options *, u_short, const char *, u_short);
119 void add_remote_forward(Options *, u_short, const char *, u_short);
121 #endif /* READCONF_H */