[gssapi-openssh.git] / openssh / servconf.h

/*	$OpenBSD: servconf.h,v 1.59 2002/07/30 17:03:55 markus Exp $	*/

/*
 * Author: Tatu Ylonen <ylo@cs.hut.fi>
 * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
 *                    All rights reserved
 * Definitions for server configuration data and for the functions reading it.
 *
 * As far as I am concerned, the code I have written for this software
 * can be used freely for any purpose.  Any derived versions of this
 * software must be clearly marked as such, and if the derived work is
 * incompatible with the protocol description in the RFC file, it must be
 * called by a name other than "ssh" or "Secure Shell".
 */

#ifndef SERVCONF_H
#define SERVCONF_H

#define MAX_PORTS		256	/* Max # ports. */

#define MAX_ALLOW_USERS		256	/* Max # users on allow list. */
#define MAX_DENY_USERS		256	/* Max # users on deny list. */
#define MAX_ALLOW_GROUPS	256	/* Max # groups on allow list. */
#define MAX_DENY_GROUPS		256	/* Max # groups on deny list. */
#define MAX_SUBSYSTEMS		256	/* Max # subsystems. */
#define MAX_HOSTKEYS		256	/* Max # hostkeys. */

/* permit_root_login */
#define	PERMIT_NOT_SET		-1
#define	PERMIT_NO		0
#define	PERMIT_FORCED_ONLY	1
#define	PERMIT_NO_PASSWD	2
#define	PERMIT_YES		3


typedef struct {
	u_int num_ports;
	u_int ports_from_cmdline;
	u_short ports[MAX_PORTS];	/* Port number to listen on. */
	char   *listen_addr;		/* Address on which the server listens. */
	struct addrinfo *listen_addrs;	/* Addresses on which the server listens. */
	char   *host_key_files[MAX_HOSTKEYS];	/* Files containing host keys. */
	int     num_host_key_files;     /* Number of files for host keys. */
	char   *pid_file;	/* Where to put our pid */
	int     server_key_bits;/* Size of the server key. */
	int     login_grace_time;	/* Disconnect if no auth in this time
					 * (sec). */
	int     key_regeneration_time;	/* Server key lifetime (seconds). */
	int     permit_root_login;	/* PERMIT_*, see above */
	int     ignore_rhosts;	/* Ignore .rhosts and .shosts. */
	int     ignore_user_known_hosts;	/* Ignore ~/.ssh/known_hosts
						 * for RhostsRsaAuth */
	int     print_motd;	/* If true, print /etc/motd. */
	int	print_lastlog;	/* If true, print lastlog */
	int     x11_forwarding;	/* If true, permit inet (spoofing) X11 fwd. */
	int     x11_display_offset;	/* What DISPLAY number to start
					 * searching at */
	int     x11_use_localhost;	/* If true, use localhost for fake X11 server. */
	char   *xauth_location;	/* Location of xauth program */
	int     strict_modes;	/* If true, require string home dir modes. */
	int     keepalives;	/* If true, set SO_KEEPALIVE. */
	char   *ciphers;	/* Supported SSH2 ciphers. */
	char   *macs;		/* Supported SSH2 macs. */
	int	protocol;	/* Supported protocol versions. */
	int     gateway_ports;	/* If true, allow remote connects to forwarded ports. */
	SyslogFacility log_facility;	/* Facility for system logging. */
	LogLevel log_level;	/* Level for system logging. */
	int     rhosts_authentication;	/* If true, permit rhosts
					 * authentication. */
	int     rhosts_rsa_authentication;	/* If true, permit rhosts RSA
						 * authentication. */
	int     hostbased_authentication;	/* If true, permit ssh2 hostbased auth */
	int     hostbased_uses_name_from_packet_only; /* experimental */
	int     rsa_authentication;	/* If true, permit RSA authentication. */
	int     pubkey_authentication;	/* If true, permit ssh2 pubkey authentication. */
	#ifdef GSSAPI
	int     gss_authentication;
	int     gss_keyex;
	int     gss_use_session_ccache;        /* If true, delegated credentials are
	                                        * stored in a session specific cache */
	int 	gss_cleanup_creds;	       /* If true, destroy cred cache on logout */
#endif	
#if defined(KRB4) || defined(KRB5)
	int     kerberos_authentication;	/* If true, permit Kerberos
						 * authentication. */
	int     kerberos_or_local_passwd;	/* If true, permit kerberos
						 * and any other password
						 * authentication mechanism,
						 * such as SecurID or
						 * /etc/passwd */
	int     kerberos_ticket_cleanup;	/* If true, destroy ticket
						 * file on logout. */
#endif
#if defined(AFS) || defined(KRB5)
	int     kerberos_tgt_passing;	/* If true, permit Kerberos TGT
					 * passing. */
#endif
#ifdef AFS
	int     afs_token_passing;	/* If true, permit AFS token passing. */
#endif
#ifdef SESSION_HOOKS
        int     session_hooks_allow;        /* If true, permit user hooks */
        char*   session_hooks_startup_cmd;  /* cmd to be executed before */
        char*   session_hooks_shutdown_cmd; /* cmd to be executed after */
#endif
	int     password_authentication;	/* If true, permit password
						 * authentication. */
	int     kbd_interactive_authentication;	/* If true, permit */
	int     challenge_response_authentication;
	int     permit_empty_passwd;	/* If false, do not permit empty
					 * passwords. */
	int     permit_user_env;	/* If true, read ~/.ssh/environment */
	int     use_login;	/* If true, login(1) is used */
	int     compression;	/* If true, compression is allowed */
	int	allow_tcp_forwarding;
	u_int num_allow_users;
	char   *allow_users[MAX_ALLOW_USERS];
	u_int num_deny_users;
	char   *deny_users[MAX_DENY_USERS];
	u_int num_allow_groups;
	char   *allow_groups[MAX_ALLOW_GROUPS];
	u_int num_deny_groups;
	char   *deny_groups[MAX_DENY_GROUPS];

	u_int num_subsystems;
	char   *subsystem_name[MAX_SUBSYSTEMS];
	char   *subsystem_command[MAX_SUBSYSTEMS];

	int	max_startups_begin;
	int	max_startups_rate;
	int	max_startups;
	char   *banner;			/* SSH-2 banner message */
	int	verify_reverse_mapping;	/* cross-check ip and dns */
	int	client_alive_interval;	/*
					 * poke the client this often to
					 * see if it's still there
					 */
	int	client_alive_count_max;	/*
					 * If the client is unresponsive
					 * for this many intervals above,
					 * disconnect the session
					 */

	char   *authorized_keys_file;	/* File containing public keys */
	char   *authorized_keys_file2;
	int	pam_authentication_via_kbd_int;
}       ServerOptions;

void	 initialize_server_options(ServerOptions *);
void	 read_server_config(ServerOptions *, const char *);
void	 fill_default_server_options(ServerOptions *);
int	 process_server_config_line(ServerOptions *, char *, const char *, int);


#endif				/* SERVCONF_H */
Commit	Line	Data
d03f4262	1	/* $OpenBSD: servconf.h,v 1.59 2002/07/30 17:03:55 markus Exp $ */
e9702f7d	2
3c0ef626	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	* Definitions for server configuration data and for the functions reading it.
	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
3c0ef626	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 x11_forwarding; /* If true, permit inet (spoofing) X11 fwd. */
	56	int x11_display_offset; /* What DISPLAY number to start
	57	* searching at */
e9702f7d	58	int x11_use_localhost; /* If true, use localhost for fake X11 server. */
3c0ef626	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. */
5598e598	76	#ifdef GSSAPI
	77	int gss_authentication;
	78	int gss_keyex;
	79	int gss_use_session_ccache; /* If true, delegated credentials are
	80	* stored in a session specific cache */
	81	int gss_cleanup_creds; /* If true, destroy cred cache on logout */
	82	#endif
3c0ef626	83	#if defined(KRB4) \|\| defined(KRB5)
	84	int kerberos_authentication; /* If true, permit Kerberos
	85	* authentication. */
	86	int kerberos_or_local_passwd; /* If true, permit kerberos
	87	* and any other password
	88	* authentication mechanism,
	89	* such as SecurID or
	90	* /etc/passwd */
	91	int kerberos_ticket_cleanup; /* If true, destroy ticket
	92	* file on logout. */
	93	#endif
	94	#if defined(AFS) \|\| defined(KRB5)
	95	int kerberos_tgt_passing; /* If true, permit Kerberos TGT
	96	* passing. */
	97	#endif
	98	#ifdef AFS
	99	int afs_token_passing; /* If true, permit AFS token passing. */
75be3237	100	#endif
	101	#ifdef SESSION_HOOKS
	102	int session_hooks_allow; /* If true, permit user hooks */
	103	char* session_hooks_startup_cmd; /* cmd to be executed before */
	104	char* session_hooks_shutdown_cmd; /* cmd to be executed after */
3c0ef626	105	#endif
	106	int password_authentication; /* If true, permit password
	107	* authentication. */
	108	int kbd_interactive_authentication; /* If true, permit */
	109	int challenge_response_authentication;
	110	int permit_empty_passwd; /* If false, do not permit empty
	111	* passwords. */
d03f4262	112	int permit_user_env; /* If true, read ~/.ssh/environment */
3c0ef626	113	int use_login; /* If true, login(1) is used */
44a053a3	114	int compression; /* If true, compression is allowed */
3c0ef626	115	int allow_tcp_forwarding;
	116	u_int num_allow_users;
	117	char *allow_users[MAX_ALLOW_USERS];
	118	u_int num_deny_users;
	119	char *deny_users[MAX_DENY_USERS];
	120	u_int num_allow_groups;
	121	char *allow_groups[MAX_ALLOW_GROUPS];
	122	u_int num_deny_groups;
	123	char *deny_groups[MAX_DENY_GROUPS];
	124
	125	u_int num_subsystems;
	126	char *subsystem_name[MAX_SUBSYSTEMS];
	127	char *subsystem_command[MAX_SUBSYSTEMS];
	128
	129	int max_startups_begin;
	130	int max_startups_rate;
	131	int max_startups;
	132	char banner; / SSH-2 banner message */
e9702f7d	133	int verify_reverse_mapping; /* cross-check ip and dns */
3c0ef626	134	int client_alive_interval; /*
e9702f7d	135	* poke the client this often to
e9702f7d	136	* see if it's still there
3c0ef626	137	*/
	138	int client_alive_count_max; /*
	139	* If the client is unresponsive
	140	* for this many intervals above,
e9702f7d	141	* disconnect the session
3c0ef626	142	*/
	143
	144	char authorized_keys_file; / File containing public keys */
	145	char *authorized_keys_file2;
	146	int pam_authentication_via_kbd_int;
3c0ef626	147	} ServerOptions;
	148
	149	void initialize_server_options(ServerOptions *);
	150	void read_server_config(ServerOptions , const char );
	151	void fill_default_server_options(ServerOptions *);
e9702f7d	152	int process_server_config_line(ServerOptions , char , const char *, int);
e9702f7d	153
3c0ef626	154
3c0ef626	155	#endif /* SERVCONF_H */