/* userdat.h */

/* Synchronet user data access routines (exported) */

/* $Id: userdat.h,v 1.45 2011/09/23 06:53:26 rswindell Exp $ */

/****************************************************************************
 * @format.tab-size 4		(Plain Text/Source Code File Header)			*
 * @format.use-tabs true	(see http://www.synchro.net/ptsc_hdr.html)		*
 *																			*
 * Copyright 2011 Rob Swindell - http://www.synchro.net/copyright.html		*
 *																			*
 * This program is free software; you can redistribute it and/or			*
 * modify it under the terms of the GNU General Public License				*
 * as published by the Free Software Foundation; either version 2			*
 * of the License, or (at your option) any later version.					*
 * See the GNU General Public License for more details: gpl.txt or			*
 * http://www.fsf.org/copyleft/gpl.html										*
 *																			*
 * Anonymous FTP access to the most recent released source is available at	*
 * ftp://vert.synchro.net, ftp://cvs.synchro.net and ftp://ftp.synchro.net	*
 *																			*
 * Anonymous CVS access to the development source and modification history	*
 * is available at cvs.synchro.net:/cvsroot/sbbs, example:					*
 * cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs login			*
 *     (just hit return, no password is necessary)							*
 * cvs -d :pserver:anonymous@cvs.synchro.net:/cvsroot/sbbs checkout src		*
 *																			*
 * For Synchronet coding style and modification guidelines, see				*
 * http://www.synchro.net/source.html										*
 *																			*
 * You are encouraged to submit any modifications (preferably in Unix diff	*
 * format) via e-mail to mods@synchro.net									*
 *																			*
 * Note: If this box doesn't appear square, then you need to fix your tabs.	*
 ****************************************************************************/

#ifndef _USERDAT_H
#define _USERDAT_H

#include "scfgdefs.h"   /* scfg_t */
#include "dat_rec.h"	/* getrec/putrec prototypes */
#include "client.h"		/* client_t */

#ifdef DLLEXPORT
#undef DLLEXPORT
#endif
#ifdef DLLCALL
#undef DLLCALL
#endif

#ifdef _WIN32
	#ifdef SBBS_EXPORTS
		#define DLLEXPORT __declspec(dllexport)
	#else
		#define DLLEXPORT __declspec(dllimport)
	#endif
	#ifdef __BORLANDC__
		#define DLLCALL __stdcall
	#else
		#define DLLCALL
	#endif
#else
	#define DLLEXPORT
	#define DLLCALL
#endif

#ifdef __cplusplus
extern "C" {
#endif

extern char* crlf;
extern char* nulstr;

DLLEXPORT int	DLLCALL getuserdat(scfg_t* cfg, user_t* user); 	/* Fill userdat struct with user data   */
DLLEXPORT int	DLLCALL putuserdat(scfg_t* cfg, user_t* user);	/* Put userdat struct into user file	*/
DLLEXPORT int	DLLCALL newuserdat(scfg_t* cfg, user_t* user);	/* Create new userdat in user file */
DLLEXPORT uint	DLLCALL matchuser(scfg_t* cfg, const char *str, BOOL sysop_alias); /* Checks for a username match */
DLLEXPORT char* DLLCALL alias(scfg_t* cfg, const char* name, char* buf);
DLLEXPORT int	DLLCALL putusername(scfg_t* cfg, int number, char * name);
DLLEXPORT uint	DLLCALL total_users(scfg_t* cfg);
DLLEXPORT uint	DLLCALL lastuser(scfg_t* cfg);
DLLEXPORT BOOL	DLLCALL del_lastuser(scfg_t* cfg);
DLLEXPORT uint	DLLCALL getage(scfg_t* cfg, char *birthdate);
DLLEXPORT char*	DLLCALL username(scfg_t* cfg, int usernumber, char * str);
DLLEXPORT char* DLLCALL usermailaddr(scfg_t* cfg, char* addr, const char* name);
DLLEXPORT int	DLLCALL getnodedat(scfg_t* cfg, uint number, node_t *node, int* file);
DLLEXPORT int	DLLCALL putnodedat(scfg_t* cfg, uint number, node_t *node, int file);
DLLEXPORT char* DLLCALL nodestatus(scfg_t* cfg, node_t* node, char* buf, size_t buflen);
DLLEXPORT void	DLLCALL printnodedat(scfg_t* cfg, uint number, node_t* node);
DLLEXPORT void	DLLCALL packchatpass(char *pass, node_t* node);
DLLEXPORT char* DLLCALL unpackchatpass(char *pass, node_t* node);
DLLEXPORT char* DLLCALL getsmsg(scfg_t* cfg, int usernumber);
DLLEXPORT int	DLLCALL putsmsg(scfg_t* cfg, int usernumber, char *strin);
DLLEXPORT char* DLLCALL getnmsg(scfg_t* cfg, int node_num);
DLLEXPORT int	DLLCALL putnmsg(scfg_t* cfg, int num, char *strin);

DLLEXPORT uint	DLLCALL userdatdupe(scfg_t* cfg, uint usernumber, uint offset, uint datlen, char *dat
							,BOOL del, BOOL next);

DLLEXPORT BOOL	DLLCALL chk_ar(scfg_t* cfg, uchar* str, user_t*, client_t*); /* checks access requirements */

DLLEXPORT int	DLLCALL getuserrec(scfg_t*, int usernumber, int start, int length, char *str);
DLLEXPORT int	DLLCALL putuserrec(scfg_t*, int usernumber, int start, uint length, const char *str);
DLLEXPORT ulong	DLLCALL adjustuserrec(scfg_t*, int usernumber, int start, int length, long adj);
DLLEXPORT BOOL	DLLCALL logoutuserdat(scfg_t*, user_t*, time_t now, time_t logontime);
DLLEXPORT void	DLLCALL resetdailyuserdat(scfg_t*, user_t*, BOOL write);
DLLEXPORT void	DLLCALL subtract_cdt(scfg_t*, user_t*, long amt);
DLLEXPORT int	DLLCALL user_rec_len(int offset);
DLLEXPORT BOOL	DLLCALL can_user_access_sub(scfg_t* cfg, uint subnum, user_t* user, client_t* client);
DLLEXPORT BOOL	DLLCALL can_user_read_sub(scfg_t* cfg, uint subnum, user_t* user, client_t* client);
DLLEXPORT BOOL	DLLCALL can_user_post(scfg_t* cfg, uint subnum, user_t* user, client_t* client, uint* reason);
DLLEXPORT BOOL	DLLCALL is_user_subop(scfg_t* cfg, uint subnum, user_t* user, client_t* client);
DLLEXPORT BOOL	DLLCALL is_download_free(scfg_t* cfg, uint dirnum, user_t* user, client_t* client);
DLLEXPORT BOOL	DLLCALL filter_ip(scfg_t* cfg, const char* prot, const char* reason, const char* host
								  ,const char* ip_addr, const char* username, const char* fname);

/* New atomic numeric user field adjustment functions: */
DLLEXPORT BOOL	DLLCALL user_posted_msg(scfg_t* cfg, user_t* user, int count);
DLLEXPORT BOOL	DLLCALL user_sent_email(scfg_t* cfg, user_t* user, int count, BOOL feedback);
DLLEXPORT BOOL	DLLCALL user_downloaded(scfg_t* cfg, user_t* user, int files, long bytes);
DLLEXPORT BOOL	DLLCALL user_uploaded(scfg_t* cfg, user_t* user, int files, long bytes);
DLLEXPORT BOOL	DLLCALL user_adjust_credits(scfg_t* cfg, user_t* user, long amount);
DLLEXPORT BOOL	DLLCALL user_adjust_minutes(scfg_t* cfg, user_t* user, long amount);

DLLEXPORT time_t DLLCALL gettimeleft(scfg_t* cfg, user_t* user, time_t starttime);

DLLEXPORT BOOL	DLLCALL check_name(scfg_t* cfg, const char* name);

/* Login attempt/hack tracking */
typedef struct {
	IN_ADDR		addr;	/* host with consecutive failed login attmepts */
	ulong		count;	/* number of consecutive failed login attempts */
	ulong		dupes;	/* number of consecutive dupliate login attempts (same name and password) */
	time_t		time;	/* time of last attempt */
	char		prot[32];	/* protocol used in last attempt */
	char		user[128];
	char		pass[128];
} login_attempt_t;

DLLEXPORT link_list_t*		DLLCALL	loginAttemptListInit(link_list_t*);
DLLEXPORT BOOL				DLLCALL	loginAttemptListFree(link_list_t*);
DLLEXPORT long				DLLCALL	loginAttemptListClear(link_list_t*);
DLLEXPORT long				DLLCALL loginAttempts(link_list_t*, SOCKADDR_IN*);
DLLEXPORT void				DLLCALL	loginSuccess(link_list_t*, SOCKADDR_IN*);
DLLEXPORT ulong				DLLCALL loginFailure(link_list_t*, SOCKADDR_IN*, const char* prot, const char* user, const char* pass);

#ifdef __cplusplus
}
#endif

#endif
