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// Created by Hidden (hidden@undernet.org)

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

struct USER {
    int id;
    char name[32];
    char pass[32];
} u = { 0, "nobody", "Ksdkjkk32avsh" };



int main(int argc, char **argv)
{
    char user[32];
    char pass[32];
    char command[64];
    char *shell[] = { command, 0 };
    char *p;

    printf("Username: ");
    fgets(user, 31, stdin);
    p = strchr(user, '\n');
    if (p)
        *p = '\0';
    if (strcmp(user, u.name))
        return 0;
    printf("Password: ");
    fgets(pass, 31, stdin);
    p = strchr(pass, '\n');
    if (p)
        *p = '\0';
    if (strcmp(pass, u.pass))
        return 0;
    printf("Command: ");
    if (fgets(command, 128, stdin) == NULL)
        return 0;
    p = strchr(command, '\n');
    if (p)
        *p = '\0';
    if (!strcmp(user, "root")) {
        printf("Good job!\n");
        setresuid(geteuid(), geteuid(), geteuid());
        execve(shell[0],shell,0);
    }
    else {
        printf("Okay Mr. %s. Dropping priviledges though.\n", user);
        setreuid(getuid(), getuid());
        execve(shell[0],shell,0);
    }
    return 0;
}