// Copyright (c) 2002 David Muse
// See the COPYING file for more information.

#ifndef RUDIMENTS_SHADOWENTRY_H
#define RUDIMENTS_SHADOWENTRY_H

#include <rudiments/private/shadowentryincludes.h>

// The shadowentry class provides methods for retrieving
// entries from /etc/shadow

class shadowentry {
        public:

                // if you need to quickly look up ap specific field, use one
                // of these mthods
                static int      getEncryptedPassword(const char *username,
                                                        char **password);
                static int      getLastChangeDate(
                                                const char *username,
                                                        long *lstchg);
                static int      getDaysBeforeChangeAllowed(
                                                const char *username,
                                                        int *min);
                static int      getDaysBeforeChangeRequired(
                                                const char *username,
                                                        int *max);
                static int      getDaysBeforeExpirationWarning(
                                                const char *username,
                                                        int *warn);
                static int      getDaysOfInactivityAllowed(
                                                const char *username,
                                                        int *inact);
                static int      getExpirationDate(
                                                const char *username,
                                                        int *expire);
                static int      getFlag(const char *username, int *flag);

                // if you need to look up a shadow entry and refer to multiple
                // fields, use these methods
                        shadowentry();
                        ~shadowentry();

                int     initialize(const char *username);
                        // looks up a shadow entry by name

                char    *getName() const;
                char    *getEncryptedPassword() const;
                long    getLastChangeDate() const;
                int     getDaysBeforeChangeAllowed() const;
                int     getDaysBeforeChangeRequired() const;
                int     getDaysBeforeExpirationWarning() const;
                int     getDaysOfInactivityAllowed() const;
                int     getExpirationDate() const;
                int     getFlag() const;

                void    print() const;
                        // prints out the shadow entry

                static  int     needsMutex();
                        // If your system doesn't support getpwnam_r() and
                        // getpwuid_r() then this class needs a mutex to assure
                        // thread safety.
                        //
                        // This method returns 1 if this class needs a mutex to
                        // operate safely in a threaded environment and 0
                        // otherwise.
                static  void    setMutex(pthread_mutex_t *mutex);
                        // Allows you to supply a mutex is the class needs it.
                        // If your application is not multithreaded, then
                        // there is no need to supply a mutex.

        #include <rudiments/private/shadowentry.h>
};

#ifdef ENABLE_RUDIMENTS_INLINES
        #include <rudiments/private/shadowentryinlines.h>
#endif

#endif