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Commit	Line	Data
	1	/* $OpenBSD: readconf.h,v 1.81 2010/01/09 23:04:13 dtucker Exp $ */
	2
	3	/*
	4	* Author: Tatu Ylonen <ylo@cs.hut.fi>
	5	* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
	6	* All rights reserved
	7	* Functions for reading the configuration file.
	8	*
	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".
	14	*/
	15
	16	#ifndef READCONF_H
	17	#define READCONF_H
	18
	19	/* Data structure for representing a forwarding request. */
	20
	21	typedef struct {
	22	char listen_host; / Host (address) to listen on. */
	23	int listen_port; /* Port to forward. */
	24	char connect_host; / Host to connect. */
	25	int connect_port; /* Port to connect on connect_host. */
	26	} Forward;
	27	/* Data structure for representing option data. */
	28
	29	#define MAX_SEND_ENV 256
	30
	31	typedef struct {
	32	int forward_agent; /* Forward authentication agent. */
	33	int forward_x11; /* Forward X11 display. */
	34	int forward_x11_trusted; /* Trust Forward X11 display. */
	35	int exit_on_forward_failure; /* Exit if bind(2) fails for -L/-R */
	36	char xauth_location; / Location for xauth program */
	37	int gateway_ports; /* Allow remote connects to forwarded ports. */
	38	int use_privileged_port; /* Don't use privileged port if false. */
	39	int rhosts_rsa_authentication; /* Try rhosts with RSA
	40	* authentication. */
	41	int rsa_authentication; /* Try RSA authentication. */
	42	int pubkey_authentication; /* Try ssh2 pubkey authentication. */
	43	int hostbased_authentication; /* ssh2's rhosts_rsa */
	44	int challenge_response_authentication;
	45	/* Try S/Key or TIS, authentication. */
	46	int gss_authentication; /* Try GSS authentication */
	47	int gss_deleg_creds; /* Delegate GSS credentials */
	48	int password_authentication; /* Try password
	49	* authentication. */
	50	int kbd_interactive_authentication; /* Try keyboard-interactive auth. */
	51	char kbd_interactive_devices; / Keyboard-interactive auth devices. */
	52	int zero_knowledge_password_authentication; /* Try jpake */
	53	int batch_mode; /* Batch mode: do not ask for passwords. */
	54	int check_host_ip; /* Also keep track of keys for IP address */
	55	int strict_host_key_checking; /* Strict host key checking. */
	56	int compression; /* Compress packets in both directions. */
	57	int compression_level; /* Compression level 1 (fast) to 9
	58	* (best). */
	59	int tcp_keep_alive; /* Set SO_KEEPALIVE. */
	60	LogLevel log_level; /* Level for logging. */
	61
	62	int port; /* Port to connect. */
	63	int address_family;
	64	int connection_attempts; /* Max attempts (seconds) before
	65	* giving up */
	66	int connection_timeout; /* Max time (seconds) before
	67	* aborting connection attempt */
	68	int number_of_password_prompts; /* Max number of password
	69	* prompts. */
	70	int cipher; /* Cipher to use. */
	71	char ciphers; / SSH2 ciphers in order of preference. */
	72	char macs; / SSH2 macs in order of preference. */
	73	char hostkeyalgorithms; / SSH2 server key types in order of preference. */
	74	int protocol; /* Protocol in order of preference. */
	75	char hostname; / Real host to connect. */
	76	char host_key_alias; / hostname alias for .ssh/known_hosts */
	77	char proxy_command; / Proxy command for connecting the host. */
	78	char user; / User to log in as. */
	79	int escape_char; /* Escape character; -2 = none */
	80
	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;
	84	char *user_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 */
	89
	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];
	93
	94	/* Local TCP/IP forward requests. */
	95	int num_local_forwards;
	96	Forward local_forwards[SSH_MAX_FORWARDS_PER_DIRECTION];
	97
	98	/* Remote TCP/IP forward requests. */
	99	int num_remote_forwards;
	100	Forward remote_forwards[SSH_MAX_FORWARDS_PER_DIRECTION];
	101	int clear_forwardings;
	102
	103	int enable_ssh_keysign;
	104	int64_t rekey_limit;
	105	int no_host_authentication_for_localhost;
	106	int identities_only;
	107	int server_alive_interval;
	108	int server_alive_count_max;
	109
	110	int num_send_env;
	111	char *send_env[MAX_SEND_ENV];
	112
	113	char *control_path;
	114	int control_master;
	115
	116	int hash_known_hosts;
	117
	118	int tun_open; /* tun(4) */
	119	int tun_local; /* force tun device (optional) */
	120	int tun_remote; /* force tun device (optional) */
	121
	122	char *local_command;
	123	int permit_local_command;
	124	int visual_host_key;
	125
	126	int use_roaming;
	127
	128	} Options;
	129
	130	#define SSHCTL_MASTER_NO 0
	131	#define SSHCTL_MASTER_YES 1
	132	#define SSHCTL_MASTER_AUTO 2
	133	#define SSHCTL_MASTER_ASK 3
	134	#define SSHCTL_MASTER_AUTO_ASK 4
	135
	136	void initialize_options(Options *);
	137	void fill_default_options(Options *);
	138	int read_config_file(const char , const char , Options *, int);
	139	int parse_forward(Forward , const char , int, int);
	140
	141	int
	142	process_config_line(Options , const char , char , const char , int, int *);
	143
	144	void add_local_forward(Options , const Forward );
	145	void add_remote_forward(Options , const Forward );
	146
	147	#endif /* READCONF_H */