1 /* $OpenBSD: readconf.h,v 1.82 2010/02/08 10:50:20 markus Exp $ */
5 * Author: Tatu Ylonen <ylo@cs.hut.fi>
6 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
8 * Functions for reading the configuration file.
10 * As far as I am concerned, the code I have written for this software
11 * can be used freely for any purpose. Any derived versions of this
12 * software must be clearly marked as such, and if the derived work is
13 * incompatible with the protocol description in the RFC file, it must be
14 * called by a name other than "ssh" or "Secure Shell".
20 /* Data structure for representing a forwarding request. */
23 char *listen_host; /* Host (address) to listen on. */
24 int listen_port; /* Port to forward. */
25 char *connect_host; /* Host to connect. */
26 int connect_port; /* Port to connect on connect_host. */
28 /* Data structure for representing option data. */
30 #define MAX_SEND_ENV 256
33 int forward_agent; /* Forward authentication agent. */
34 int forward_x11; /* Forward X11 display. */
35 int forward_x11_trusted; /* Trust Forward X11 display. */
36 int exit_on_forward_failure; /* Exit if bind(2) fails for -L/-R */
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 */
48 int gss_deleg_creds; /* Delegate GSS credentials */
49 int password_authentication; /* Try password
51 int kbd_interactive_authentication; /* Try keyboard-interactive auth. */
52 char *kbd_interactive_devices; /* Keyboard-interactive auth devices. */
53 int zero_knowledge_password_authentication; /* Try jpake */
54 int batch_mode; /* Batch mode: do not ask for passwords. */
55 int check_host_ip; /* Also keep track of keys for IP address */
56 int strict_host_key_checking; /* Strict host key checking. */
57 int compression; /* Compress packets in both directions. */
58 int compression_level; /* Compression level 1 (fast) to 9
60 int tcp_keep_alive; /* Set SO_KEEPALIVE. */
61 LogLevel log_level; /* Level for logging. */
63 int port; /* Port to connect. */
65 int connection_attempts; /* Max attempts (seconds) before
67 int connection_timeout; /* Max time (seconds) before
68 * aborting connection attempt */
69 int number_of_password_prompts; /* Max number of password
71 int cipher; /* Cipher to use. */
72 char *ciphers; /* SSH2 ciphers in order of preference. */
73 char *macs; /* SSH2 macs in order of preference. */
74 char *hostkeyalgorithms; /* SSH2 server key types in order of preference. */
75 int protocol; /* Protocol in order of preference. */
76 char *hostname; /* Real host to connect. */
77 char *host_key_alias; /* hostname alias for .ssh/known_hosts */
78 char *proxy_command; /* Proxy command for connecting the host. */
79 char *user; /* User to log in as. */
80 int escape_char; /* Escape character; -2 = none */
82 char *system_hostfile;/* Path for /etc/ssh/ssh_known_hosts. */
83 char *user_hostfile; /* Path for $HOME/.ssh/known_hosts. */
84 char *system_hostfile2;
86 char *preferred_authentications;
87 char *bind_address; /* local socket address for connection to sshd */
88 char *pkcs11_provider; /* PKCS#11 provider */
89 int verify_host_key_dns; /* Verify host key using DNS */
91 int num_identity_files; /* Number of files for RSA/DSA identities. */
92 char *identity_files[SSH_MAX_IDENTITY_FILES];
93 Key *identity_keys[SSH_MAX_IDENTITY_FILES];
95 /* Local TCP/IP forward requests. */
96 int num_local_forwards;
97 Forward local_forwards[SSH_MAX_FORWARDS_PER_DIRECTION];
99 /* Remote TCP/IP forward requests. */
100 int num_remote_forwards;
101 Forward remote_forwards[SSH_MAX_FORWARDS_PER_DIRECTION];
102 int clear_forwardings;
104 int enable_ssh_keysign;
106 int no_host_authentication_for_localhost;
108 int server_alive_interval;
109 int server_alive_count_max;
112 char *send_env[MAX_SEND_ENV];
117 int hash_known_hosts;
119 int tun_open; /* tun(4) */
120 int tun_local; /* force tun device (optional) */
121 int tun_remote; /* force tun device (optional) */
124 int permit_local_command;
129 int hpn_disabled; /* Switch to disable HPN buffer management. */
130 int hpn_buffer_size; /* User definable size for HPN buffer
132 int tcp_rcv_buf_poll; /* Option to poll recv buf every window
134 int tcp_rcv_buf; /* User switch to set tcp recv buffer. */
136 #ifdef NONE_CIPHER_ENABLED
137 int none_enabled; /* Allow none to be used */
138 int none_switch; /* Use none cipher */
142 #define SSHCTL_MASTER_NO 0
143 #define SSHCTL_MASTER_YES 1
144 #define SSHCTL_MASTER_AUTO 2
145 #define SSHCTL_MASTER_ASK 3
146 #define SSHCTL_MASTER_AUTO_ASK 4
148 void initialize_options(Options *);
149 void fill_default_options(Options *);
150 int read_config_file(const char *, const char *, Options *, int);
151 int parse_forward(Forward *, const char *, int, int);
154 process_config_line(Options *, const char *, char *, const char *, int, int *);
156 void add_local_forward(Options *, const Forward *);
157 void add_remote_forward(Options *, const Forward *);
159 #endif /* READCONF_H */