1 /* $OpenBSD: readconf.h,v 1.53 2003/08/13 08:46:30 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 char *xauth_location; /* Location for xauth program */
34 int gateway_ports; /* Allow remote connects to forwarded ports. */
35 int use_privileged_port; /* Don't use privileged port if false. */
36 int rhosts_rsa_authentication; /* Try rhosts with RSA
38 int rsa_authentication; /* Try RSA authentication. */
39 int pubkey_authentication; /* Try ssh2 pubkey authentication. */
40 int hostbased_authentication; /* ssh2's rhosts_rsa */
41 int challenge_response_authentication;
42 /* Try S/Key or TIS, authentication. */
43 int kerberos_authentication; /* Try Kerberos authentication. */
44 int kerberos_tgt_passing; /* Try Kerberos TGT passing. */
45 int password_authentication; /* Try password
47 int kbd_interactive_authentication; /* Try keyboard-interactive auth. */
48 char *kbd_interactive_devices; /* Keyboard-interactive auth devices. */
49 int batch_mode; /* Batch mode: do not ask for passwords. */
50 int check_host_ip; /* Also keep track of keys for IP address */
51 int strict_host_key_checking; /* Strict host key checking. */
52 int compression; /* Compress packets in both directions. */
53 int compression_level; /* Compression level 1 (fast) to 9
55 int keepalives; /* Set SO_KEEPALIVE. */
56 LogLevel log_level; /* Level for logging. */
58 int port; /* Port to connect. */
60 int connection_attempts; /* Max attempts (seconds) before
62 int connection_timeout; /* Max time (seconds) before
63 * aborting connection attempt */
64 int number_of_password_prompts; /* Max number of password
66 int cipher; /* Cipher to use. */
67 char *ciphers; /* SSH2 ciphers in order of preference. */
68 char *macs; /* SSH2 macs in order of preference. */
69 char *hostkeyalgorithms; /* SSH2 server key types in order of preference. */
70 int protocol; /* Protocol in order of preference. */
71 char *hostname; /* Real host to connect. */
72 char *host_key_alias; /* hostname alias for .ssh/known_hosts */
73 char *proxy_command; /* Proxy command for connecting the host. */
74 char *user; /* User to log in as. */
75 int escape_char; /* Escape character; -2 = none */
77 char *system_hostfile;/* Path for /etc/ssh/ssh_known_hosts. */
78 char *user_hostfile; /* Path for $HOME/.ssh/known_hosts. */
79 char *system_hostfile2;
81 char *preferred_authentications;
82 char *bind_address; /* local socket address for connection to sshd */
83 char *smartcard_device; /* Smartcard reader device */
84 int verify_host_key_dns; /* Verify host key using DNS */
86 int num_identity_files; /* Number of files for RSA/DSA identities. */
87 char *identity_files[SSH_MAX_IDENTITY_FILES];
88 Key *identity_keys[SSH_MAX_IDENTITY_FILES];
90 /* Local TCP/IP forward requests. */
91 int num_local_forwards;
92 Forward local_forwards[SSH_MAX_FORWARDS_PER_DIRECTION];
94 /* Remote TCP/IP forward requests. */
95 int num_remote_forwards;
96 Forward remote_forwards[SSH_MAX_FORWARDS_PER_DIRECTION];
97 int clear_forwardings;
99 int enable_ssh_keysign;
101 int no_host_authentication_for_localhost;
105 void initialize_options(Options *);
106 void fill_default_options(Options *);
107 int read_config_file(const char *, const char *, Options *);
110 process_config_line(Options *, const char *, char *, const char *, int, int *);
112 void add_local_forward(Options *, u_short, const char *, u_short);
113 void add_remote_forward(Options *, u_short, const char *, u_short);
115 #endif /* READCONF_H */