diff --git a/servconf.h b/servconf.h
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+++ b/servconf.h
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+/*
+
+servconf.h
+
+Author: Tatu Ylonen <ylo@cs.hut.fi>
+
+Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
+                   All rights reserved
+
+Created: Mon Aug 21 15:35:03 1995 ylo
+
+Definitions for server configuration data and for the functions reading it.
+
+*/
+
+/* RCSID("$Id: servconf.h,v 1.1 1999/10/27 03:42:45 damien Exp $"); */
+
+#ifndef SERVCONF_H
+#define SERVCONF_H
+
+#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. */
+
+typedef struct
+{
+  int port;			/* Port number to listen on. */
+  struct in_addr listen_addr;	/* Address on which the server listens. */
+  char *host_key_file;		/* File containing host key. */
+  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 quiet_mode;		/* If true, don't log anything but fatals. */
+  int fascist_logging;		/* Perform very verbose logging. */
+  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 */
+  int strict_modes;		/* If true, require string home dir modes. */
+  int keepalives;		/* If true, set SO_KEEPALIVE. */
+  SyslogFacility log_facility;	/* Facility 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. */
+#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. */
+#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 */
+  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];
+} 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 */