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/*
* 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".
*/
/* RCSID("$OpenBSD: servconf.h,v 1.31 2000/11/12 19:50:38 markus Exp $"); */
#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. */
typedef struct {
unsigned int num_ports;
unsigned 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; /* If true, permit root login. */
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 check_mail; /* If true, check for new mail. */
int x11_forwarding; /* If true, permit inet (spoofing) X11 fwd. */
int x11_display_offset; /* What DISPLAY number to start
* searching at */
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; /* Ciphers in order of preference. */
int protocol; /* Protocol in order of preference. */
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 rsa_authentication; /* If true, permit RSA authentication. */
int pubkey_authentication; /* If true, permit ssh2 pubkey authentication. */
#ifdef KRB4
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
#ifdef AFS
int kerberos_tgt_passing; /* If true, permit Kerberos tgt
* passing. */
int afs_token_passing; /* If true, permit AFS token passing. */
#endif
int password_authentication; /* If true, permit password
* authentication. */
int kbd_interactive_authentication; /* If true, permit */
#ifdef SKEY
int skey_authentication; /* If true, permit s/key
* authentication. */
#endif
int permit_empty_passwd; /* If false, do not permit empty
* passwords. */
int use_login; /* If true, login(1) is used */
int allow_tcp_forwarding;
unsigned int num_allow_users;
char *allow_users[MAX_ALLOW_USERS];
unsigned int num_deny_users;
char *deny_users[MAX_DENY_USERS];
unsigned int num_allow_groups;
char *allow_groups[MAX_ALLOW_GROUPS];
unsigned int num_deny_groups;
char *deny_groups[MAX_DENY_GROUPS];
unsigned int num_subsystems;
char *subsystem_name[MAX_SUBSYSTEMS];
char *subsystem_command[MAX_SUBSYSTEMS];
int max_startups_begin;
int max_startups_rate;
int max_startups;
} ServerOptions;
/*
* Initializes the server options to special values that indicate that they
* have not yet been set.
*/
void initialize_server_options(ServerOptions * options);
/*
* Reads the server configuration file. This only sets the values for those
* options that have the special value indicating they have not been set.
*/
void read_server_config(ServerOptions * options, const char *filename);
/* Sets values for those values that have not yet been set. */
void fill_default_server_options(ServerOptions * options);
#endif /* SERVCONF_H */
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