1 /* $OpenBSD: readconf.h,v 1.68 2005/12/06 22:38:27 reyk 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 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. */
29 /* Data structure for representing option data. */
31 #define MAX_SEND_ENV 256
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
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 */
49 int gss_deleg_creds; /* Delegate GSS credentials */
50 int gss_trust_dns; /* Trust DNS for GSS canonicalization */
51 int password_authentication; /* Try password
53 int kbd_interactive_authentication; /* Try keyboard-interactive auth. */
54 char *kbd_interactive_devices; /* Keyboard-interactive auth devices. */
55 int batch_mode; /* Batch mode: do not ask for passwords. */
56 int check_host_ip; /* Also keep track of keys for IP address */
57 int strict_host_key_checking; /* Strict host key checking. */
58 int compression; /* Compress packets in both directions. */
59 int compression_level; /* Compression level 1 (fast) to 9
61 int tcp_keep_alive; /* Set SO_KEEPALIVE. */
62 int tcp_rcv_buf; /* user switch to set tcp recv buffer */
63 LogLevel log_level; /* Level for logging. */
65 int port; /* Port to connect. */
67 int connection_attempts; /* Max attempts (seconds) before
69 int connection_timeout; /* Max time (seconds) before
70 * aborting connection attempt */
71 int number_of_password_prompts; /* Max number of password
73 int cipher; /* Cipher to use. */
74 char *ciphers; /* SSH2 ciphers in order of preference. */
75 char *macs; /* SSH2 macs in order of preference. */
76 char *hostkeyalgorithms; /* SSH2 server key types in order of preference. */
77 int protocol; /* Protocol in order of preference. */
78 char *hostname; /* Real host to connect. */
79 char *host_key_alias; /* hostname alias for .ssh/known_hosts */
80 char *proxy_command; /* Proxy command for connecting the host. */
81 char *user; /* User to log in as. */
82 int implicit; /* Login user was not specified.
83 Server may choose based on authctxt. */
84 int escape_char; /* Escape character; -2 = none */
86 char *system_hostfile;/* Path for /etc/ssh/ssh_known_hosts. */
87 char *user_hostfile; /* Path for $HOME/.ssh/known_hosts. */
88 char *system_hostfile2;
90 char *preferred_authentications;
91 char *bind_address; /* local socket address for connection to sshd */
92 char *smartcard_device; /* Smartcard reader device */
93 int verify_host_key_dns; /* Verify host key using DNS */
95 int num_identity_files; /* Number of files for RSA/DSA identities. */
96 char *identity_files[SSH_MAX_IDENTITY_FILES];
97 Key *identity_keys[SSH_MAX_IDENTITY_FILES];
99 /* Local TCP/IP forward requests. */
100 int num_local_forwards;
101 Forward local_forwards[SSH_MAX_FORWARDS_PER_DIRECTION];
103 /* Remote TCP/IP forward requests. */
104 int num_remote_forwards;
105 Forward remote_forwards[SSH_MAX_FORWARDS_PER_DIRECTION];
106 int clear_forwardings;
108 int enable_ssh_keysign;
111 int no_host_authentication_for_localhost;
113 int server_alive_interval;
114 int server_alive_count_max;
117 char *send_env[MAX_SEND_ENV];
122 int hash_known_hosts;
124 int tun_open; /* tun(4) */
125 int tun_local; /* force tun device (optional) */
126 int tun_remote; /* force tun device (optional) */
129 int permit_local_command;
133 #define SSHCTL_MASTER_NO 0
134 #define SSHCTL_MASTER_YES 1
135 #define SSHCTL_MASTER_AUTO 2
136 #define SSHCTL_MASTER_ASK 3
137 #define SSHCTL_MASTER_AUTO_ASK 4
139 void initialize_options(Options *);
140 void fill_default_options(Options *);
141 int read_config_file(const char *, const char *, Options *, int);
142 int parse_forward(Forward *, const char *);
145 process_config_line(Options *, const char *, char *, const char *, int, int *);
147 void add_local_forward(Options *, const Forward *);
148 void add_remote_forward(Options *, const Forward *);
150 #endif /* READCONF_H */