#define _XOPEN_SOURCE

#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <unistd.h>

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

#define BUFFSIZE 1024

void strip(char *inptstri)
{
	int tempsize;

	tempsize = strlen(inptstri);

	if (tempsize > 0)
	{
		inptstri[tempsize - 1] = '\0';
	}
}

int main(int argc, char **argv)
{
	char username[BUFFSIZE], password[BUFFSIZE], datetime[BUFFSIZE];
	char *cryppass;
	struct passwd *passdata;

	printf("Username: ");
	bzero(username, BUFFSIZE * sizeof(char));
	fgets(username, BUFFSIZE - 1, stdin);
	strip(username);

	printf("Password: ");
	bzero(password, BUFFSIZE * sizeof(char));
	fgets(password, BUFFSIZE - 1, stdin);
	strip(password);

	if ((passdata = getpwnam(username)) == NULL)
	{
		return 1;
	}

	cryppass = crypt(password, passdata->pw_passwd);

	if (strcmp(cryppass, passdata->pw_passwd) != 0)
	{
		printf("Invalid login!\n");
		return 2;
	}

	printf("Set time [hh:mm]: ");
	bzero(datetime, BUFFSIZE * sizeof(char));
	fgets(datetime, BUFFSIZE - 1, stdin);
	strip(datetime);



	return 0;
}