[thirdparty/openssh-portable.git] / servconf.h

/* $OpenBSD: servconf.h,v 1.160 2023/09/06 23:35:35 djm 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

#include <openbsd-compat/sys-queue.h>

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

/* 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

/* use_privsep */
#define PRIVSEP_OFF		0
#define PRIVSEP_ON		1
#define PRIVSEP_NOSANDBOX	2

/* PermitOpen */
#define PERMITOPEN_ANY		0
#define PERMITOPEN_NONE		-2

/* IgnoreRhosts */
#define IGNORE_RHOSTS_NO	0
#define IGNORE_RHOSTS_YES	1
#define IGNORE_RHOSTS_SHOSTS	2

#define DEFAULT_AUTH_FAIL_MAX	6	/* Default for MaxAuthTries */
#define DEFAULT_SESSIONS_MAX	10	/* Default for MaxSessions */

/* Magic name for internal sftp-server */
#define INTERNAL_SFTP_NAME	"internal-sftp"

/* PubkeyAuthOptions flags */
#define PUBKEYAUTH_TOUCH_REQUIRED	(1)
#define PUBKEYAUTH_VERIFY_REQUIRED	(1<<1)

struct ssh;
struct fwd_perm_list;

/*
 * Used to store addresses from ListenAddr directives. These may be
 * incomplete, as they may specify addresses that need to be merged
 * with any ports requested by ListenPort.
 */
struct queued_listenaddr {
	char *addr;
	int port; /* <=0 if unspecified */
	char *rdomain;
};

/* Resolved listen addresses, grouped by optional routing domain */
struct listenaddr {
	char *rdomain;
	struct addrinfo *addrs;
};

typedef struct {
	u_int	num_ports;
	u_int	ports_from_cmdline;
	int	ports[MAX_PORTS];	/* Port number to listen on. */
	struct queued_listenaddr *queued_listen_addrs;
	u_int	num_queued_listens;
	struct listenaddr *listen_addrs;
	u_int	num_listen_addrs;
	int	address_family;		/* Address family used by the server. */

	char	*routing_domain;	/* Bind session to routing domain */

	char   **host_key_files;	/* Files containing host keys. */
	int	*host_key_file_userprovided; /* Key was specified by user. */
	u_int	num_host_key_files;     /* Number of files for host keys. */
	char   **host_cert_files;	/* Files containing host certs. */
	u_int	num_host_cert_files;	/* Number of files for host certs. */

	char   *host_key_agent;		/* ssh-agent socket for host keys. */
	char   *pid_file;		/* Where to put our pid */
	char   *moduli_file;		/* moduli file for DH-GEX */
	int     login_grace_time;	/* Disconnect if no auth in this time
					 * (sec). */
	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	permit_tty;	/* If false, deny pty allocation */
	int	permit_user_rc;	/* If false, deny ~/.ssh/rc execution */
	int     strict_modes;	/* If true, require string home dir modes. */
	int     tcp_keep_alive;	/* If true, set SO_KEEPALIVE. */
	int	ip_qos_interactive;	/* IP ToS/DSCP/class for interactive */
	int	ip_qos_bulk;		/* IP ToS/DSCP/class for bulk traffic */
	char   *ciphers;	/* Supported SSH2 ciphers. */
	char   *macs;		/* Supported SSH2 macs. */
	char   *kex_algorithms;	/* SSH2 kex methods in order of preference. */
	struct ForwardOptions fwd_opts;	/* forwarding options */
	SyslogFacility log_facility;	/* Facility for system logging. */
	LogLevel log_level;	/* Level for system logging. */
	u_int	num_log_verbose;	/* Verbose log overrides */
	char	**log_verbose;
	int     hostbased_authentication;	/* If true, permit ssh2 hostbased auth */
	int     hostbased_uses_name_from_packet_only; /* experimental */
	char   *hostbased_accepted_algos; /* Algos allowed for hostbased */
	char   *hostkeyalgorithms;	/* SSH2 server key types */
	char   *ca_sign_algorithms;	/* Allowed CA signature algorithms */
	int     pubkey_authentication;	/* If true, permit ssh2 pubkey authentication. */
	char   *pubkey_accepted_algos;	/* Signature algos allowed for pubkey */
	int	pubkey_auth_options;	/* -1 or mask of PUBKEYAUTH_* flags */
	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. */
	int     kerberos_get_afs_token;		/* If true, try to get AFS token if
						 * authenticated with Kerberos. */
	int     gss_authentication;	/* If true, permit GSSAPI authentication */
	int     gss_cleanup_creds;	/* If true, destroy cred cache on logout */
	int     gss_strict_acceptor;	/* If true, restrict the GSSAPI acceptor name */
	int     password_authentication;	/* If true, permit password
						 * authentication. */
	int     kbd_interactive_authentication;	/* If true, permit */
	int     permit_empty_passwd;	/* If false, do not permit empty
					 * passwords. */
	int     permit_user_env;	/* If true, read ~/.ssh/environment */
	char   *permit_user_env_allowlist; /* pattern-list of allowed env names */
	int     compression;	/* If true, compression is allowed */
	int	allow_tcp_forwarding; /* One of FORWARD_* */
	int	allow_streamlocal_forwarding; /* One of FORWARD_* */
	int	allow_agent_forwarding;
	int	disable_forwarding;
	u_int num_allow_users;
	char   **allow_users;
	u_int num_deny_users;
	char   **deny_users;
	u_int num_allow_groups;
	char   **allow_groups;
	u_int num_deny_groups;
	char   **deny_groups;

	u_int num_subsystems;
	char   **subsystem_name;
	char   **subsystem_command;
	char   **subsystem_args;

	u_int num_accept_env;
	char   **accept_env;
	u_int num_setenv;
	char   **setenv;

	int	max_startups_begin;
	int	max_startups_rate;
	int	max_startups;
	int	per_source_max_startups;
	int	per_source_masklen_ipv4;
	int	per_source_masklen_ipv6;
	int	max_authtries;
	int	max_sessions;
	char   *banner;			/* SSH-2 banner message */
	int	use_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
					 */

	u_int	num_authkeys_files;	/* Files containing public keys */
	char   **authorized_keys_files;

	char   *adm_forced_command;

	int	use_pam;		/* Enable auth via PAM */

	int	permit_tun;

	char   **permitted_opens;	/* May also be one of PERMITOPEN_* */
	u_int   num_permitted_opens;
	char   **permitted_listens; /* May also be one of PERMITOPEN_* */
	u_int   num_permitted_listens;

	char   *chroot_directory;
	char   *revoked_keys_file;
	char   *trusted_user_ca_keys;
	char   *authorized_keys_command;
	char   *authorized_keys_command_user;
	char   *authorized_principals_file;
	char   *authorized_principals_command;
	char   *authorized_principals_command_user;

	int64_t rekey_limit;
	int	rekey_interval;

	char   *version_addendum;	/* Appended to SSH banner */

	u_int	num_auth_methods;
	char   **auth_methods;

	int	fingerprint_hash;
	int	expose_userauth_info;
	u_int64_t timing_secret;
	char   *sk_provider;
	int	required_rsa_size;	/* minimum size of RSA keys */

	char	**channel_timeouts;	/* inactivity timeout by channel type */
	u_int	num_channel_timeouts;

	int	unused_connection_timeout;
}       ServerOptions;

/* Information about the incoming connection as used by Match */
struct connection_info {
	const char *user;
	const char *host;	/* possibly resolved hostname */
	const char *address;	/* remote address */
	const char *laddress;	/* local address */
	int lport;		/* local port */
	const char *rdomain;	/* routing domain if available */
	int test;		/* test mode, allow some attributes to be
				 * unspecified */
};

/* List of included files for re-exec from the parsed configuration */
struct include_item {
	char *selector;
	char *filename;
	struct sshbuf *contents;
	TAILQ_ENTRY(include_item) entry;
};
TAILQ_HEAD(include_list, include_item);


/*
 * These are string config options that must be copied between the
 * Match sub-config and the main config, and must be sent from the
 * privsep child to the privsep master. We use a macro to ensure all
 * the options are copied and the copies are done in the correct order.
 *
 * NB. an option must appear in servconf.c:copy_set_server_options() or
 * COPY_MATCH_STRING_OPTS here but never both.
 */
#define COPY_MATCH_STRING_OPTS() do { \
		M_CP_STROPT(banner); \
		M_CP_STROPT(trusted_user_ca_keys); \
		M_CP_STROPT(revoked_keys_file); \
		M_CP_STROPT(authorized_keys_command); \
		M_CP_STROPT(authorized_keys_command_user); \
		M_CP_STROPT(authorized_principals_file); \
		M_CP_STROPT(authorized_principals_command); \
		M_CP_STROPT(authorized_principals_command_user); \
		M_CP_STROPT(hostbased_accepted_algos); \
		M_CP_STROPT(pubkey_accepted_algos); \
		M_CP_STROPT(ca_sign_algorithms); \
		M_CP_STROPT(routing_domain); \
		M_CP_STROPT(permit_user_env_allowlist); \
		M_CP_STRARRAYOPT(authorized_keys_files, num_authkeys_files); \
		M_CP_STRARRAYOPT(allow_users, num_allow_users); \
		M_CP_STRARRAYOPT(deny_users, num_deny_users); \
		M_CP_STRARRAYOPT(allow_groups, num_allow_groups); \
		M_CP_STRARRAYOPT(deny_groups, num_deny_groups); \
		M_CP_STRARRAYOPT(accept_env, num_accept_env); \
		M_CP_STRARRAYOPT(setenv, num_setenv); \
		M_CP_STRARRAYOPT(auth_methods, num_auth_methods); \
		M_CP_STRARRAYOPT(permitted_opens, num_permitted_opens); \
		M_CP_STRARRAYOPT(permitted_listens, num_permitted_listens); \
		M_CP_STRARRAYOPT(channel_timeouts, num_channel_timeouts); \
		M_CP_STRARRAYOPT(log_verbose, num_log_verbose); \
		M_CP_STRARRAYOPT(subsystem_name, num_subsystems); \
		M_CP_STRARRAYOPT(subsystem_command, num_subsystems); \
		M_CP_STRARRAYOPT(subsystem_args, num_subsystems); \
	} while (0)

struct connection_info *get_connection_info(struct ssh *, int, int);
void	 initialize_server_options(ServerOptions *);
void	 fill_default_server_options(ServerOptions *);
int	 process_server_config_line(ServerOptions *, char *, const char *, int,
	    int *, struct connection_info *, struct include_list *includes);
void	 process_permitopen(struct ssh *ssh, ServerOptions *options);
void	 process_channel_timeouts(struct ssh *ssh, ServerOptions *);
void	 load_server_config(const char *, struct sshbuf *);
void	 parse_server_config(ServerOptions *, const char *, struct sshbuf *,
	    struct include_list *includes, struct connection_info *, int);
void	 parse_server_match_config(ServerOptions *,
	    struct include_list *includes, struct connection_info *);
int	 parse_server_match_testspec(struct connection_info *, char *);
int	 server_match_spec_complete(struct connection_info *);
void	 servconf_merge_subsystems(ServerOptions *, ServerOptions *);
void	 copy_set_server_options(ServerOptions *, ServerOptions *, int);
void	 dump_config(ServerOptions *);
char	*derelativise_path(const char *);
void	 servconf_add_hostkey(const char *, const int,
	    ServerOptions *, const char *path, int);
void	 servconf_add_hostcert(const char *, const int,
	    ServerOptions *, const char *path);

#endif				/* SERVCONF_H */
Commit	Line	Data
8a1450c6	1	/* $OpenBSD: servconf.h,v 1.160 2023/09/06 23:35:35 djm Exp $ */
05764b92	2
d4a8b7e3	3	/*
95def098	4	* Author: Tatu Ylonen <ylo@cs.hut.fi>
95def098 DM	5	* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
95def098 DM	6	* All rights reserved
95def098	7	* Definitions for server configuration data and for the functions reading it.
4af51306	8	*
e4340be5 DM	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".
95def098	14	*/
d4a8b7e3	15
d4a8b7e3 DM	16	#ifndef SERVCONF_H
	17	#define SERVCONF_H
	18
92725d4d	19	#include <openbsd-compat/sys-queue.h>
c2bd7f74	20
34132e54 DM	21	#define MAX_PORTS 256 /* Max # ports. */
34132e54 DM	22
d8a9021f BL	23	/* permit_root_login */
	24	#define PERMIT_NOT_SET -1
	25	#define PERMIT_NO 0
	26	#define PERMIT_FORCED_ONLY 1
	27	#define PERMIT_NO_PASSWD 2
	28	#define PERMIT_YES 3
	29
69ff1df9 DM	30	/* use_privsep */
	31	#define PRIVSEP_OFF 0
	32	#define PRIVSEP_ON 1
5a5c2b90	33	#define PRIVSEP_NOSANDBOX 2
69ff1df9	34
dbee4119	35	/* PermitOpen */
	36	#define PERMITOPEN_ANY 0
	37	#define PERMITOPEN_NONE -2
	38
c90f72d2	39	/* IgnoreRhosts */
	40	#define IGNORE_RHOSTS_NO 0
	41	#define IGNORE_RHOSTS_YES 1
	42	#define IGNORE_RHOSTS_SHOSTS 2
	43
89413dba	44	#define DEFAULT_AUTH_FAIL_MAX 6 /* Default for MaxAuthTries */
7207f64a	45	#define DEFAULT_SESSIONS_MAX 10 /* Default for MaxSessions */
d8a9021f	46
76e95daa DM	47	/* Magic name for internal sftp-server */
	48	#define INTERNAL_SFTP_NAME "internal-sftp"
	49
0fddf296	50	/* PubkeyAuthOptions flags */
801c9f09	51	#define PUBKEYAUTH_TOUCH_REQUIRED (1)
801c9f09	52	#define PUBKEYAUTH_VERIFY_REQUIRED (1<<1)
0fddf296	53
dbee4119	54	struct ssh;
	55	struct fwd_perm_list;
	56
acf559e1	57	/*
	58	* Used to store addresses from ListenAddr directives. These may be
	59	* incomplete, as they may specify addresses that need to be merged
	60	* with any ports requested by ListenPort.
	61	*/
	62	struct queued_listenaddr {
	63	char *addr;
	64	int port; /* <=0 if unspecified */
	65	char *rdomain;
	66	};
	67
	68	/* Resolved listen addresses, grouped by optional routing domain */
	69	struct listenaddr {
	70	char *rdomain;
	71	struct addrinfo *addrs;
	72	};
	73
95def098	74	typedef struct {
3dc71ad8 DM	75	u_int num_ports;
	76	u_int ports_from_cmdline;
	77	int ports[MAX_PORTS]; /* Port number to listen on. */
acf559e1	78	struct queued_listenaddr *queued_listen_addrs;
531a57a3	79	u_int num_queued_listens;
acf559e1	80	struct listenaddr *listen_addrs;
acf559e1	81	u_int num_listen_addrs;
6f722805 DM	82	int address_family; /* Address family used by the server. */
6f722805 DM	83
35eb33fb	84	char routing_domain; / Bind session to routing domain */
35eb33fb	85
6f722805	86	char *host_key_files; / Files containing host keys. */
928f1231	87	int host_key_file_userprovided; / Key was specified by user. */
6f722805 DM	88	u_int num_host_key_files; /* Number of files for host keys. */
	89	char *host_cert_files; / Files containing host certs. */
	90	u_int num_host_cert_files; /* Number of files for host certs. */
	91
	92	char host_key_agent; / ssh-agent socket for host keys. */
	93	char pid_file; / Where to put our pid */
88057eb6	94	char moduli_file; / moduli file for DH-GEX */
95def098 DM	95	int login_grace_time; /* Disconnect if no auth in this time
95def098 DM	96	* (sec). */
d8a9021f	97	int permit_root_login; /* PERMIT_, see above /
95def098 DM	98	int ignore_rhosts; /* Ignore .rhosts and .shosts. */
	99	int ignore_user_known_hosts; /* Ignore ~/.ssh/known_hosts
	100	* for RhostsRsaAuth */
	101	int print_motd; /* If true, print /etc/motd. */
7bfff36c	102	int print_lastlog; /* If true, print lastlog */
95def098 DM	103	int x11_forwarding; /* If true, permit inet (spoofing) X11 fwd. */
	104	int x11_display_offset; /* What DISPLAY number to start
	105	* searching at */
95c249ff	106	int x11_use_localhost; /* If true, use localhost for fake X11 server. */
d3a18570	107	char xauth_location; / Location of xauth program */
5ff30c6b	108	int permit_tty; /* If false, deny pty allocation */
72e6b5c9	109	int permit_user_rc; /* If false, deny ~/.ssh/rc execution */
95def098	110	int strict_modes; /* If true, require string home dir modes. */
12c150e7	111	int tcp_keep_alive; /* If true, set SO_KEEPALIVE. */
0dac6fb6 DM	112	int ip_qos_interactive; /* IP ToS/DSCP/class for interactive */
0dac6fb6 DM	113	int ip_qos_bulk; /* IP ToS/DSCP/class for bulk traffic */
06b33aa0 BL	114	char ciphers; / Supported SSH2 ciphers. */
06b33aa0 BL	115	char macs; / Supported SSH2 macs. */
d5f62bf2	116	char kex_algorithms; / SSH2 kex methods in order of preference. */
7acefbbc	117	struct ForwardOptions fwd_opts; /* forwarding options */
95def098 DM	118	SyslogFacility log_facility; /* Facility for system logging. */
95def098 DM	119	LogLevel log_level; /* Level for system logging. */
793b583d	120	u_int num_log_verbose; /* Verbose log overrides */
793b583d	121	char **log_verbose;
5eabda30 BL	122	int hostbased_authentication; /* If true, permit ssh2 hostbased auth */
5eabda30 BL	123	int hostbased_uses_name_from_packet_only; /* experimental */
e9f78d6b	124	char hostbased_accepted_algos; / Algos allowed for hostbased */
3a1638dd	125	char hostkeyalgorithms; / SSH2 server key types */
86e5737c	126	char ca_sign_algorithms; / Allowed CA signature algorithms */
0bc1bd81	127	int pubkey_authentication; /* If true, permit ssh2 pubkey authentication. */
ee9c0da8	128	char pubkey_accepted_algos; / Signature algos allowed for pubkey */
0fddf296	129	int pubkey_auth_options; /* -1 or mask of PUBKEYAUTH_* flags */
95def098 DM	130	int kerberos_authentication; /* If true, permit Kerberos
	131	* authentication. */
	132	int kerberos_or_local_passwd; /* If true, permit kerberos
	133	* and any other password
	134	* authentication mechanism,
	135	* such as SecurID or
	136	* /etc/passwd */
	137	int kerberos_ticket_cleanup; /* If true, destroy ticket
	138	* file on logout. */
22ef5087 DT	139	int kerberos_get_afs_token; /* If true, try to get AFS token if
22ef5087 DT	140	* authenticated with Kerberos. */
0efd155c DT	141	int gss_authentication; /* If true, permit GSSAPI authentication */
0efd155c DT	142	int gss_cleanup_creds; /* If true, destroy cred cache on logout */
d7c31da4	143	int gss_strict_acceptor; /* If true, restrict the GSSAPI acceptor name */
95def098 DM	144	int password_authentication; /* If true, permit password
95def098 DM	145	* authentication. */
874d77bb	146	int kbd_interactive_authentication; /* If true, permit */
95def098 DM	147	int permit_empty_passwd; /* If false, do not permit empty
95def098 DM	148	* passwords. */
5d860f02	149	int permit_user_env; /* If true, read ~/.ssh/environment */
6d755706	150	char permit_user_env_allowlist; / pattern-list of allowed env names */
23e0f667	151	int compression; /* If true, compression is allowed */
aa5b3f83	152	int allow_tcp_forwarding; /* One of FORWARD_* */
7acefbbc	153	int allow_streamlocal_forwarding; /* One of FORWARD_* */
4f755cdc	154	int allow_agent_forwarding;
7844f357	155	int disable_forwarding;
46c16220	156	u_int num_allow_users;
6f722805	157	char **allow_users;
46c16220	158	u_int num_deny_users;
6f722805	159	char **deny_users;
46c16220	160	u_int num_allow_groups;
6f722805	161	char **allow_groups;
46c16220	162	u_int num_deny_groups;
6f722805	163	char **deny_groups;
f6d9e221	164
46c16220	165	u_int num_subsystems;
8a1450c6	166	char **subsystem_name;
	167	char **subsystem_command;
	168	char **subsystem_args;
37023965	169
46bc0754	170	u_int num_accept_env;
6f722805	171	char **accept_env;
28013759	172	u_int num_setenv;
28013759	173	char **setenv;
46bc0754	174
942da039 DM	175	int max_startups_begin;
942da039 DM	176	int max_startups_rate;
37023965	177	int max_startups;
3a923129	178	int per_source_max_startups;
	179	int per_source_masklen_ipv4;
	180	int per_source_masklen_ipv6;
89413dba	181	int max_authtries;
7207f64a	182	int max_sessions;
48bd7c11	183	char banner; / SSH-2 banner message */
3a961dc0	184	int use_dns;
5744dc42	185	int client_alive_interval; /*
9f0f5c64 DM	186	* poke the client this often to
9f0f5c64 DM	187	* see if it's still there
5744dc42 BL	188	*/
5744dc42 BL	189	int client_alive_count_max; /*
7bb37b29 BL	190	* If the client is unresponsive
7bb37b29 BL	191	* for this many intervals above,
9f0f5c64	192	* disconnect the session
5744dc42	193	*/
e468de65	194
6f722805 DM	195	u_int num_authkeys_files; /* Files containing public keys */
6f722805 DM	196	char **authorized_keys_files;
d27b9471	197
e275443f DM	198	char *adm_forced_command;
e275443f DM	199
4e448a31	200	int use_pam; /* Enable auth via PAM */
d27b9471 DM	201
d27b9471 DM	202	int permit_tun;
a765cf4b	203
115063a6	204	char *permitted_opens; / May also be one of PERMITOPEN_* */
115063a6	205	u_int num_permitted_opens;
93c06ab6	206	char *permitted_listens; / May also be one of PERMITOPEN_* */
93c06ab6	207	u_int num_permitted_listens;
d8cb1f18 DM	208
d8cb1f18 DM	209	char *chroot_directory;
1aed65eb DM	210	char *revoked_keys_file;
1aed65eb DM	211	char *trusted_user_ca_keys;
09d3e125 DM	212	char *authorized_keys_command;
09d3e125 DM	213	char *authorized_keys_command_user;
bcc50d81	214	char *authorized_principals_file;
	215	char *authorized_principals_command;
	216	char *authorized_principals_command_user;
23528816	217
5f96f3b4 DT	218	int64_t rekey_limit;
	219	int rekey_interval;
	220
23528816	221	char version_addendum; / Appended to SSH banner */
a6e3f01d DM	222
a6e3f01d DM	223	u_int num_auth_methods;
6f722805	224	char **auth_methods;
56d1c83c	225
56d1c83c	226	int fingerprint_hash;
8f574959	227	int expose_userauth_info;
e9d910b0	228	u_int64_t timing_secret;
56584cce	229	char *sk_provider;
1875042c	230	int required_rsa_size; /* minimum size of RSA keys */
2d1ff2b9	231
	232	char *channel_timeouts; / inactivity timeout by channel type */
	233	u_int num_channel_timeouts;
0293c198	234
0293c198	235	int unused_connection_timeout;
95def098	236	} ServerOptions;
d4a8b7e3	237
fbcf8275 DT	238	/* Information about the incoming connection as used by Match */
	239	struct connection_info {
	240	const char *user;
	241	const char host; / possibly resolved hostname */
34afde5c	242	const char address; / remote address */
fbcf8275 DT	243	const char laddress; / local address */
fbcf8275 DT	244	int lport; /* local port */
68af80e6	245	const char rdomain; / routing domain if available */
e826bbca	246	int test; /* test mode, allow some attributes to be
e826bbca	247	* unspecified */
fbcf8275 DT	248	};
fbcf8275 DT	249
c2bd7f74	250	/* List of included files for re-exec from the parsed configuration */
	251	struct include_item {
	252	char *selector;
	253	char *filename;
	254	struct sshbuf *contents;
	255	TAILQ_ENTRY(include_item) entry;
	256	};
	257	TAILQ_HEAD(include_list, include_item);
	258
fbcf8275	259
f2e407e2 DM	260	/*
	261	* These are string config options that must be copied between the
	262	* Match sub-config and the main config, and must be sent from the
6d755706	263	* privsep child to the privsep master. We use a macro to ensure all
f2e407e2	264	* the options are copied and the copies are done in the correct order.
534b2cca DM	265	*
	266	* NB. an option must appear in servconf.c:copy_set_server_options() or
	267	* COPY_MATCH_STRING_OPTS here but never both.
f2e407e2 DM	268	*/
	269	#define COPY_MATCH_STRING_OPTS() do { \
	270	M_CP_STROPT(banner); \
	271	M_CP_STROPT(trusted_user_ca_keys); \
	272	M_CP_STROPT(revoked_keys_file); \
44138445 DM	273	M_CP_STROPT(authorized_keys_command); \
44138445 DM	274	M_CP_STROPT(authorized_keys_command_user); \
bcc50d81	275	M_CP_STROPT(authorized_principals_file); \
	276	M_CP_STROPT(authorized_principals_command); \
	277	M_CP_STROPT(authorized_principals_command_user); \
e9f78d6b	278	M_CP_STROPT(hostbased_accepted_algos); \
ee9c0da8	279	M_CP_STROPT(pubkey_accepted_algos); \
86e5737c	280	M_CP_STROPT(ca_sign_algorithms); \
35eb33fb	281	M_CP_STROPT(routing_domain); \
6d755706	282	M_CP_STROPT(permit_user_env_allowlist); \
d8478b6a	283	M_CP_STRARRAYOPT(authorized_keys_files, num_authkeys_files); \
c24da770 DM	284	M_CP_STRARRAYOPT(allow_users, num_allow_users); \
	285	M_CP_STRARRAYOPT(deny_users, num_deny_users); \
	286	M_CP_STRARRAYOPT(allow_groups, num_allow_groups); \
	287	M_CP_STRARRAYOPT(deny_groups, num_deny_groups); \
	288	M_CP_STRARRAYOPT(accept_env, num_accept_env); \
95d1109f	289	M_CP_STRARRAYOPT(setenv, num_setenv); \
a6e3f01d	290	M_CP_STRARRAYOPT(auth_methods, num_auth_methods); \
6f722805	291	M_CP_STRARRAYOPT(permitted_opens, num_permitted_opens); \
93c06ab6	292	M_CP_STRARRAYOPT(permitted_listens, num_permitted_listens); \
2d1ff2b9	293	M_CP_STRARRAYOPT(channel_timeouts, num_channel_timeouts); \
793b583d	294	M_CP_STRARRAYOPT(log_verbose, num_log_verbose); \
8a1450c6	295	M_CP_STRARRAYOPT(subsystem_name, num_subsystems); \
	296	M_CP_STRARRAYOPT(subsystem_command, num_subsystems); \
	297	M_CP_STRARRAYOPT(subsystem_args, num_subsystems); \
f2e407e2 DM	298	} while (0)
f2e407e2 DM	299
172a592a	300	struct connection_info get_connection_info(struct ssh , int, int);
4cc240da	301	void initialize_server_options(ServerOptions *);
4cc240da	302	void fill_default_server_options(ServerOptions *);
4515047e	303	int process_server_config_line(ServerOptions , char , const char *, int,
31d8d231	304	int , struct connection_info , struct include_list *includes);
dbee4119	305	void process_permitopen(struct ssh ssh, ServerOptions options);
2d1ff2b9	306	void process_channel_timeouts(struct ssh ssh, ServerOptions );
2808d18c	307	void load_server_config(const char , struct sshbuf );
2808d18c	308	void parse_server_config(ServerOptions , const char , struct sshbuf *,
731087d2	309	struct include_list includes, struct connection_info , int);
c2bd7f74	310	void parse_server_match_config(ServerOptions *,
31d8d231	311	struct include_list includes, struct connection_info );
fbcf8275 DT	312	int parse_server_match_testspec(struct connection_info , char );
fbcf8275 DT	313	int server_match_spec_complete(struct connection_info *);
8a1450c6	314	void servconf_merge_subsystems(ServerOptions , ServerOptions );
1629c07c	315	void copy_set_server_options(ServerOptions , ServerOptions , int);
e7140f20	316	void dump_config(ServerOptions *);
88b6fb2b	317	char derelativise_path(const char );
6f722805	318	void servconf_add_hostkey(const char *, const int,
928f1231	319	ServerOptions , const char path, int);
6f722805 DM	320	void servconf_add_hostcert(const char *, const int,
6f722805 DM	321	ServerOptions , const char path);
d4a8b7e3	322
95def098	323	#endif /* SERVCONF_H */