151 lines
5.3 KiB
C
151 lines
5.3 KiB
C
/*
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* Author: Tatu Ylonen <ylo@cs.hut.fi>
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* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
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* All rights reserved
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* Functions for reading the configuration file.
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*
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* As far as I am concerned, the code I have written for this software
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* can be used freely for any purpose. Any derived versions of this
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* software must be clearly marked as such, and if the derived work is
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* incompatible with the protocol description in the RFC file, it must be
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* called by a name other than "ssh" or "Secure Shell".
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*/
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/* RCSID("$OpenBSD: readconf.h,v 1.21 2000/09/07 20:27:53 deraadt Exp $"); */
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/* $FreeBSD$ */
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#ifndef READCONF_H
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#define READCONF_H
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/* Data structure for representing a forwarding request. */
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typedef struct {
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u_short port; /* Port to forward. */
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char *host; /* Host to connect. */
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u_short host_port; /* Port to connect on host. */
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} Forward;
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/* Data structure for representing option data. */
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typedef struct {
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int forward_agent; /* Forward authentication agent. */
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int forward_x11; /* Forward X11 display. */
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char *xauth_location; /* Location for xauth program */
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int gateway_ports; /* Allow remote connects to forwarded ports. */
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int use_privileged_port; /* Don't use privileged port if false. */
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int rhosts_authentication; /* Try rhosts authentication. */
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int rhosts_rsa_authentication; /* Try rhosts with RSA
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* authentication. */
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int rsa_authentication; /* Try RSA authentication. */
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int dsa_authentication; /* Try DSA authentication. */
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int skey_authentication; /* Try S/Key or TIS authentication. */
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#ifdef KRB4
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int krb4_authentication; /* Try Kerberos v4
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* authentication. */
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#endif
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#ifdef KRB5
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int krb5_authentication;
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int krb5_tgt_passing;
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#endif /* KRB5 */
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#ifdef AFS
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int krb4_tgt_passing; /* Try Kerberos v4 tgt passing. */
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int afs_token_passing; /* Try AFS token passing. */
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#endif
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int password_authentication; /* Try password
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* authentication. */
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int fallback_to_rsh;/* Use rsh if cannot connect with ssh. */
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int use_rsh; /* Always use rsh (don\'t try ssh). */
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int batch_mode; /* Batch mode: do not ask for passwords. */
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int check_host_ip; /* Also keep track of keys for IP address */
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int strict_host_key_checking; /* Strict host key checking. */
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int compression; /* Compress packets in both directions. */
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int compression_level; /* Compression level 1 (fast) to 9
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* (best). */
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int keepalives; /* Set SO_KEEPALIVE. */
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LogLevel log_level; /* Level for logging. */
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int port; /* Port to connect. */
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int connection_attempts; /* Max attempts (seconds) before
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* giving up */
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int number_of_password_prompts; /* Max number of password
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* prompts. */
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int cipher; /* Cipher to use. */
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char *ciphers; /* SSH2 ciphers in order of preference. */
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int protocol; /* Protocol in order of preference. */
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char *hostname; /* Real host to connect. */
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char *proxy_command; /* Proxy command for connecting the host. */
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char *user; /* User to log in as. */
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int escape_char; /* Escape character; -2 = none */
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char *system_hostfile;/* Path for /etc/ssh_known_hosts. */
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char *user_hostfile; /* Path for $HOME/.ssh/known_hosts. */
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char *system_hostfile2;
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char *user_hostfile2;
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int num_identity_files; /* Number of files for RSA identities. */
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int num_identity_files2; /* DSA identities. */
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char *identity_files[SSH_MAX_IDENTITY_FILES];
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char *identity_files2[SSH_MAX_IDENTITY_FILES];
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/* Local TCP/IP forward requests. */
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int num_local_forwards;
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Forward local_forwards[SSH_MAX_FORWARDS_PER_DIRECTION];
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/* Remote TCP/IP forward requests. */
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int num_remote_forwards;
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Forward remote_forwards[SSH_MAX_FORWARDS_PER_DIRECTION];
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} Options;
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/*
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* Initializes options to special values that indicate that they have not yet
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* been set. Read_config_file will only set options with this value. Options
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* are processed in the following order: command line, user config file,
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* system config file. Last, fill_default_options is called.
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*/
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void initialize_options(Options * options);
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/*
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* Called after processing other sources of option data, this fills those
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* options for which no value has been specified with their default values.
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*/
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void fill_default_options(Options * options);
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/*
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* Processes a single option line as used in the configuration files. This
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* only sets those values that have not already been set. Returns 0 for legal
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* options
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*/
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int
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process_config_line(Options * options, const char *host,
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char *line, const char *filename, int linenum,
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int *activep);
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/*
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* Reads the config file and modifies the options accordingly. Options
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* should already be initialized before this call. This never returns if
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* there is an error. If the file does not exist, this returns immediately.
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*/
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void
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read_config_file(const char *filename, const char *host,
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Options * options);
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/*
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* Adds a local TCP/IP port forward to options. Never returns if there is an
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* error.
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*/
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void
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add_local_forward(Options * options, u_short port, const char *host,
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u_short host_port);
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/*
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* Adds a remote TCP/IP port forward to options. Never returns if there is
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* an error.
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*/
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void
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add_remote_forward(Options * options, u_short port, const char *host,
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u_short host_port);
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#endif /* READCONF_H */
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