#include <stdio.h>
#include <stdlib.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <string.h>
#include <arpa/inet.h>
#include <termios.h>
#include <termios.h>
#include <fcntl.h>
//include<iostream>
#include<stdio.h> // printf
#include<string.h> // strlen
//<string> // string
#include<sys/socket.h> // socket
#include<arpa/inet.h> // inet_addr
#include<netdb.h> // hostenta
#include <unistd.h>
//include<iostream>
#include<sys/socket.h> // socket
#include<arpa/inet.h> // inet_addr
struct sockaddr_in server;
int port = 80;
/*telnet*/
#define IAC 255
#define CMD 0xff
#define DONT 0xfe
#define DO 0xfd
#define WONT 0xfc
#define WILL 0xfb
#define SB 0xfa
#define GA 0xf9
#define EL 0xf8
#define EC 0xf7
#define AYT 0xf6
#define AO 0xf5
#define IP 0xf4
#define BREAK 0xf3
#define SYNCH 0xf2
#define NOP 0xf1
#define SE 0xf0
#define EOR 0xef
#define ABORT 0xee
#define SUSP 0xed
#define xEOF 0xec
/*ftp*/
#define PRELIM 1
#define COMPLETE 2
#define CONTINUE 3
#define TRANSIENT 4
#define ERROR 5
#define RRQ 01
#define WRQ 02
#define DATA 03
#define ACK 04
#define REC_ESC '\377'
#define REC_EOR '\001'
#define REC_EOF '\002'
#define BLK_EOR 0x80
#define BLK_EOF 0x40
#define BLK_ERRORS 0x20
#define BLK_RESTART 0x10
/* SSH*/
#define SSH_CMD_IAC 255
#define SSH_CMD_CMD 0xff
#define SSH_CMD_DONT 0xfe
#define SSH_CMD_DO 0xfd
#define SSH_CMD_WONT 0xfc
#define SSH_CMD_WILL 0xfb
#define SSH_CMD_SB 0xfa
#define SSH_CMD_GA 0xf9
#define SSH_CMD_EL 0xf8
#define SSH_CMD_EC 0xf7
#define SSH_CMD_AYT 0xf6
#define SSH_CMD_AO 0xf5
#define SSH_CMD_IP 0xf4
#define SSH_CMD_BREAK 0xf3
#define SSH_CMD_SYNCH 0xf2
#define SSH_CMD_NOP 0xf1
#define SSH_CMD_SE 0xf0
#define SSH_CMD_EOR 0xef
#define SSH_CMD_ABORT 0xee
#define SSH_CMD_SUSP 0xed
#define SSH_CMD_EOF 0xec
char *message = {"OPTIONS / HTTP/1.1\r\nHost: exemple.com\r\n\r\n"};
int nready;
int maxfd;
int sock;
char buffer[1024];
char head[50]="HEAD / HTTP/1.1\r\n\r\nHost:gov.ua\r\n\r\n";
char option[25]="OPTIONS / HTTP/1.1\r\n";
char xd;
int bytes_received;
//int numBytesRecv=1;
#define BUFLEN 20
int len;
unsigned char buf[BUFLEN + 1];
static struct termios tin;
int help(){
printf("-h help\r\n");
printf("-p post\r\n");
printf("-t telnet\r\n");
printf("-<3 heartbled\r\n");
return 0;
}
/*
int hostname_to_ip(char * hostname , char* ip)
{
struct hostent *he;
struct in_addr **addr_list;
int i;
if ( (he = gethostbyname( hostname ) ) == NULL)
{
// get the host info
herror("gethostbyname");
return 1;
}
addr_list = (struct in_addr **) he->h_addr_list;
for(i = 0; addr_list[i] != NULL; i++)
{
//Return the first one;
strcpy(ip , inet_ntoa(*addr_list[i]) );
return 0;
}
return 1;
}
*/
int hostname_to_ip(int argc, char *argv) {
if (argc < 2) {
fprintf(stderr, "Hostname not provided\n");
return 0;
}
char *hostname = argv;
struct hostent *he;
struct in_addr **addr_list;
int i;
if ( (he = gethostbyname( hostname ) ) == NULL)
{
// get the host info
herror("gethostbyname");
return 1;
}
addr_list = (struct in_addr **) he->h_addr_list;
for(i = 0; addr_list[i] != NULL; i++)
{
//Return the first one;
strcpy(argv, inet_ntoa(*addr_list[i]) );
return 0;
}
return 1;
}
int telnet (int argc, char*argv[]){
char *hostname;
char ip[100];
hostname = argv[2];
hostname_to_ip(argc , ip);
sock = socket(AF_INET, SOCK_STREAM, 0);
server.sin_family = AF_INET;
server.sin_addr.s_addr = inet_addr(ip);
port = atoi(argv[3]);
printf("%s resolved to %s" , hostname , ip);
server.sin_port = htons(port);
connect(sock, (struct sockaddr *)&server, sizeof(server));
struct timeval ts;
ts.tv_sec = 1; // 1 second
ts.tv_usec = 0;
ssize_t numBytesRecv = 0;
char replyMessage[5500];
char *replyMessage2[5200];
//sprintf(buffer,head,"host:",argv[1]);
sprintf(buffer, "GET /start.php HTTP/1.1\r\nHost: www.gov.ua\r\n\r\n");
//(sprintf)(buffer, "HEAD / HTTP/1.1\r\nHost: %s\r\n\r\n", ip); //
//snprintf(buffer, sizeof(buffer), "HEAD / HTTP/1.1\r\nHost: %s \r\n\r\n", ip);
FILE *fp;
if ((fp=fopen("test2.html", "w"))==NULL) {
printf ("can't open file to write\n");
exit(1); };
/// ######################## ///
printf("port is: %d\n", port);
printf("host ip is %s\n", argv[2]);
printf("enter the , exemple:/index.aspx\n");
while(1){
fd_set fds;
/* Set up polling. */
FD_ZERO(&fds);
if (sock != 0)
FD_SET(sock, &fds);
FD_SET(0, &fds);
// wait for data
int nready = select(sock + 1, &fds, (fd_set *) 0, (fd_set *) 0, &ts);
if (nready < 0) {
perror("select. Error");
return 1;
}
else if (nready == 0) {
ts.tv_sec = 1; // 1 second
ts.tv_usec = 0;
}
else if (sock != 0 && FD_ISSET(sock, &fds)) {
// start by reading a single byte
int rv;
if ((rv = recv(sock , buf , 1 , 0)) < 0){
return 1;}
else if (rv == 0) {
printf("Connection closed by the remote end\n\r");
return 0;
}
if (buf[0] == CMD) {
// read 2 more bytes
len = recv(sock , buf + 1 , 2 , 0);
if (len < 0){
return 1;}
else if (len == 0) {
printf("Connection closed by the remote end\n\r");
return 0;
}
//negotiate(sock, buf, 3);
}
else {
len = 1;
buf[len] = '\0';
printf("%s", buf);
fprintf(fp,"%s", buf);
fflush(0);
// tcflush(sock, 0);
}
}
else if (FD_ISSET(0, &fds)) {
buf[0] = getc(stdin); //fgets(buf, 1, stdin);
if (send(sock, buf, 1, 0) < 0)
return 1;
if (buf[0] == '\n') // with the terminal in raw mode we need to force a LF
putchar('\r');
}
}
printf("save in test2.html file\n");
fclose (fp);
}
int menu(int argc, char *argv[]) {
if (argc <1) {
printf("Usage: %s host port\n", argv[0]);
return 1;
}
char *option = argv[1];
switch (option[0]) {
case '-':
switch (option[1]) {
case 'h':
printf("Help\n");
help();
break;
case 'p':
printf("post\n");
//post();
break;
case 'g':
printf("ip\n");
break;
case 't':
printf("Telnet\n");
telnet(argc, argv);
break;
default:
printf("Invalidoption\n");
break;
}
break;
default:
printf("Invalid option\n");
break;
}
return 0;
}
int main(int argc, char *argv[])
{
menu(argc,argv);
return 0;
}
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