/*-
 * Copyright (C) 1996
 *      David L. Nugent.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY DAVID L. NUGENT AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL DAVID L. NUGENT OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD: src/usr.sbin/pw/pwupd.h,v 1.8 2002/07/11 19:07:35 alfred Exp $
 */

#ifndef _PWUPD_H_
#define _PWUPD_H_

#include <sys/types.h>
#include <pwd.h>
#include <grp.h>

#include <sys/cdefs.h>

enum updtype
{
        UPD_DELETE = -1,
        UPD_CREATE = 0,
        UPD_REPLACE = 1
};

__BEGIN_DECLS
int fileupdate(char const * fname, mode_t fm, char const * nline, char const * pfx, int pfxlen, int updmode);
__END_DECLS

enum pwdfmttype
{
        PWF_STANDARD,           /* MASTER format but with '*' as password */
        PWF_PASSWD,             /* V7 format */
        PWF_GROUP = PWF_PASSWD,
        PWF_MASTER              /* MASTER format with password */
};

struct pwf
{
        int                 _altdir;
        void              (*_setpwent)(void);
        void              (*_endpwent)(void);
        struct passwd * (*_getpwent)(void);
        struct passwd   * (*_getpwuid)(uid_t uid);
        struct passwd   * (*_getpwnam)(const char * nam);
        int             (*_pwdb)(char *arg, ...);
        void              (*_setgrent)(void);
        void              (*_endgrent)(void);
        struct group  * (*_getgrent)(void);
        struct group  * (*_getgrgid)(gid_t gid);
        struct group  * (*_getgrnam)(const char * nam);
        int               (*_grdb)(char *arg, ...);
};

extern struct pwf PWF;
extern struct pwf VPWF;

#define SETPWENT()      PWF._setpwent()
#define ENDPWENT()      PWF._endpwent()
#define GETPWENT()      PWF._getpwent()
#define GETPWUID(uid)   PWF._getpwuid(uid)
#define GETPWNAM(nam)   PWF._getpwnam(nam)
#define PWDB(args)      PWF._pwdb(args)

#define SETGRENT()      PWF._setgrent()
#define ENDGRENT()      PWF._endgrent()
#define GETGRENT()      PWF._getgrent()
#define GETGRGID(gid)   PWF._getgrgid(gid)
#define GETGRNAM(nam)   PWF._getgrnam(nam)
#define GRDB(args)      PWF._grdb(args)

#define PWALTDIR()      PWF._altdir
#ifndef _PATH_PWD
#define _PATH_PWD       "/etc"
#endif
#ifndef _GROUP
#define _GROUP          "group"
#endif
#ifndef _PASSWD
#define _PASSWD         "passwd"
#endif
#ifndef _MASTERPASSWD
#define _MASTERPASSWD   "master.passwd"
#endif
#ifndef _GROUP
#define _GROUP          "group"
#endif

__BEGIN_DECLS
int addpwent(struct passwd * pwd);
int delpwent(struct passwd * pwd);
int chgpwent(char const * login, struct passwd * pwd);
int fmtpwent(char *buf, struct passwd * pwd);
int fmtpwentry(char *buf, struct passwd * pwd, int type);

int setpwdir(const char * dir);
char * getpwpath(char const * file);
int pwdb(char *arg, ...);

int addgrent(struct group * grp);
int delgrent(struct group * grp);
int chggrent(char const * name, struct group * grp);
int fmtgrent(char **buf, int * buflen, struct group * grp);
int fmtgrentry(char **buf, int * buflen, struct group * grp, int type);
int editgroups(char *name, char **groups);

int setgrdir(const char * dir);
char * getgrpath(const char *file);
int grdb(char *arg, ...);

void vsetpwent(void);
void vendpwent(void);
struct passwd * vgetpwent(void);
struct passwd * vgetpwuid(uid_t uid);
struct passwd * vgetpwnam(const char * nam);
struct passwd * vgetpwent(void);
int             vpwdb(char *arg, ...);

struct group * vgetgrent(void);
struct group * vgetgrgid(gid_t gid);
struct group * vgetgrnam(const char * nam);
struct group * vgetgrent(void);
int            vgrdb(char *arg, ...);
void           vsetgrent(void);
void           vendgrent(void);

void copymkdir(char const * dir, char const * skel, mode_t mode, uid_t uid, gid_t gid);
void rm_r(char const * dir, uid_t uid);
int extendline(char **buf, int *buflen, int needed);
int extendarray(char ***buf, int *buflen, int needed);
__END_DECLS

#define PWBUFSZ 1024

#endif                          /* !_PWUPD_H */