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Commit	Line	Data
	1	/*
	2	* Author: Tatu Ylonen <ylo@cs.hut.fi>
	3	* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
	4	* All rights reserved
	5	* Definitions for server configuration data and for the functions reading it.
	6	*
	7	* As far as I am concerned, the code I have written for this software
	8	* can be used freely for any purpose. Any derived versions of this
	9	* software must be clearly marked as such, and if the derived work is
	10	* incompatible with the protocol description in the RFC file, it must be
	11	* called by a name other than "ssh" or "Secure Shell".
	12	*/
	13
	14	/* RCSID("$OpenBSD: servconf.h,v 1.42 2001/05/18 14:13:29 markus Exp $"); */
	15
	16	#ifndef SERVCONF_H
	17	#define SERVCONF_H
	18
	19	#define MAX_PORTS 256 /* Max # ports. */
	20
	21	#define MAX_ALLOW_USERS 256 /* Max # users on allow list. */
	22	#define MAX_DENY_USERS 256 /* Max # users on deny list. */
	23	#define MAX_ALLOW_GROUPS 256 /* Max # groups on allow list. */
	24	#define MAX_DENY_GROUPS 256 /* Max # groups on deny list. */
	25	#define MAX_SUBSYSTEMS 256 /* Max # subsystems. */
	26	#define MAX_HOSTKEYS 256 /* Max # hostkeys. */
	27
	28	/* permit_root_login */
	29	#define PERMIT_NOT_SET -1
	30	#define PERMIT_NO 0
	31	#define PERMIT_FORCED_ONLY 1
	32	#define PERMIT_NO_PASSWD 2
	33	#define PERMIT_YES 3
	34
	35
	36	typedef struct {
	37	u_int num_ports;
	38	u_int ports_from_cmdline;
	39	u_short ports[MAX_PORTS]; /* Port number to listen on. */
	40	char listen_addr; / Address on which the server listens. */
	41	struct addrinfo listen_addrs; / Addresses on which the server listens. */
	42	char host_key_files[MAX_HOSTKEYS]; / Files containing host keys. */
	43	int num_host_key_files; /* Number of files for host keys. */
	44	char pid_file; / Where to put our pid */
	45	int server_key_bits;/* Size of the server key. */
	46	int login_grace_time; /* Disconnect if no auth in this time
	47	* (sec). */
	48	int key_regeneration_time; /* Server key lifetime (seconds). */
	49	int permit_root_login; /* PERMIT_, see above /
	50	int ignore_rhosts; /* Ignore .rhosts and .shosts. */
	51	int ignore_user_known_hosts; /* Ignore ~/.ssh/known_hosts
	52	* for RhostsRsaAuth */
	53	int print_motd; /* If true, print /etc/motd. */
	54	int print_lastlog; /* If true, print lastlog */
	55	int check_mail; /* If true, check for new mail. */
	56	int x11_forwarding; /* If true, permit inet (spoofing) X11 fwd. */
	57	int x11_display_offset; /* What DISPLAY number to start
	58	* searching at */
	59	char xauth_location; / Location of xauth program */
	60	int strict_modes; /* If true, require string home dir modes. */
	61	int keepalives; /* If true, set SO_KEEPALIVE. */
	62	char ciphers; / Supported SSH2 ciphers. */
	63	char macs; / Supported SSH2 macs. */
	64	int protocol; /* Supported protocol versions. */
	65	int gateway_ports; /* If true, allow remote connects to forwarded ports. */
	66	SyslogFacility log_facility; /* Facility for system logging. */
	67	LogLevel log_level; /* Level for system logging. */
	68	int rhosts_authentication; /* If true, permit rhosts
	69	* authentication. */
	70	int rhosts_rsa_authentication; /* If true, permit rhosts RSA
	71	* authentication. */
	72	int hostbased_authentication; /* If true, permit ssh2 hostbased auth */
	73	int hostbased_uses_name_from_packet_only; /* experimental */
	74	int rsa_authentication; /* If true, permit RSA authentication. */
	75	int pubkey_authentication; /* If true, permit ssh2 pubkey authentication. */
	76	#ifdef KRB4
	77	int kerberos_authentication; /* If true, permit Kerberos
	78	* authentication. */
	79	int kerberos_or_local_passwd; /* If true, permit kerberos
	80	* and any other password
	81	* authentication mechanism,
	82	* such as SecurID or
	83	* /etc/passwd */
	84	int kerberos_ticket_cleanup; /* If true, destroy ticket
	85	* file on logout. */
	86	#endif
	87	#ifdef AFS
	88	int kerberos_tgt_passing; /* If true, permit Kerberos tgt
	89	* passing. */
	90	int afs_token_passing; /* If true, permit AFS token passing. */
	91	#endif
	92	int password_authentication; /* If true, permit password
	93	* authentication. */
	94	int kbd_interactive_authentication; /* If true, permit */
	95	int challenge_response_authentication;
	96	int permit_empty_passwd; /* If false, do not permit empty
	97	* passwords. */
	98	int use_login; /* If true, login(1) is used */
	99	int allow_tcp_forwarding;
	100	u_int num_allow_users;
	101	char *allow_users[MAX_ALLOW_USERS];
	102	u_int num_deny_users;
	103	char *deny_users[MAX_DENY_USERS];
	104	u_int num_allow_groups;
	105	char *allow_groups[MAX_ALLOW_GROUPS];
	106	u_int num_deny_groups;
	107	char *deny_groups[MAX_DENY_GROUPS];
	108
	109	u_int num_subsystems;
	110	char *subsystem_name[MAX_SUBSYSTEMS];
	111	char *subsystem_command[MAX_SUBSYSTEMS];
	112
	113	int max_startups_begin;
	114	int max_startups_rate;
	115	int max_startups;
	116	char banner; / SSH-2 banner message */
	117	int reverse_mapping_check; /* cross-check ip and dns */
	118	int client_alive_interval; /*
	119	* poke the client this often to
	120	* see if it's still there
	121	*/
	122	int client_alive_count_max; /*
	123	*If the client is unresponsive
	124	* for this many intervals, above
	125	* diconnect the session
	126	*/
	127	int pam_authentication_via_kbd_int;
	128	} ServerOptions;
	129	/*
	130	* Initializes the server options to special values that indicate that they
	131	* have not yet been set.
	132	*/
	133	void initialize_server_options(ServerOptions * options);
	134
	135	/*
	136	* Reads the server configuration file. This only sets the values for those
	137	* options that have the special value indicating they have not been set.
	138	*/
	139	void read_server_config(ServerOptions * options, const char *filename);
	140
	141	/* Sets values for those values that have not yet been set. */
	142	void fill_default_server_options(ServerOptions * options);
	143
	144	#endif /* SERVCONF_H */