/* $Id: silk.c,v 1.2 2000/06/04 23:08:49 obecian Exp $
 * 
 *                .   .
 *              _( (_) )_ _________ ________
 *   <----,    /   _____//   _____//  _____/
 *   <-----====\_____  \=\_____  \/   \========== RELEASE
 *   <----'    /        \/        \    \_\  \
 *            /_______  /_______  /\______  /
 *       /\___________\/________\/_______/ /
 *      /_________________________________/  
 *
 * silk.c - SSG HTTP Request Packet Injection
 * (c) 2000 obecian <obecian@celerity.bartoli.org>
 *
 */

#define TITLE "silk.c - SSG HTTP Request Packet Injection"
#define CODER "(c) 2000 obecian (obecian@subterrain.net)"

#include <stdio.h>
#include <strings.h>
#include <stdlib.h>
#include <netdb.h>
#include <unistd.h>
#include <netinet/in.h>
#include <sys/types.h>
#include <sys/socket.h>

void
usage(char *arg)
{
    printf("%s -s server -u uri [-p port] [-m method] [-r referer] [-v version]\n\n", arg);
    exit(-1);
}

int
main(int argc, char **argv)
{
  int opt, i, sock;
  extern char *optarg;
  extern int opterr;
  struct sockaddr_in sin;
  struct hostent *he;
  char buffer[1024];
  int port = 80;
  char *method = "GET";
  char *server = "www.subterrain.net";
  char *vhost = "www.subterrain.net";
  char *referer = "http://402686256/";
  char *agent = "silk/SSG";
  char *version = "HTTP/1.0";
  char *uri = "/";
  putchar('\n'); puts(TITLE); puts(CODER); putchar('\n');
  if (argc < 2)
    usage(argv[0]);
  opterr = 0;
  while ((opt = getopt(argc, argv, "h:u:v:r:s:p:a:m:")) != EOF) {
    switch (opt) {
      case 's': server = optarg; break;
      case 'p': port = atoi(optarg); break;
      case 'm': method = optarg; break;
      case 'h': vhost = optarg; break;
      case 'r': referer = optarg; break;
      case 'a': agent = optarg; break;
      case 'v': version = optarg; break;
      case 'u': uri = optarg; break;
      case '?': usage(argv[0]); break;
    }
  }
  if ((he = gethostbyname(server)) == NULL) {
    herror("gethostbyname"); exit(-1);
  }
  if ((sock = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
    perror("socket"); exit(-1);
  }
  sin.sin_family = AF_INET;
  sin.sin_port = htons(port);
  sin.sin_addr = *((struct in_addr *)he->h_addr);
  bzero(&(sin.sin_zero), 8);
  if (connect(sock, (struct sockaddr *)&sin, sizeof(struct sockaddr)) == -1) {
    perror("connect"); exit(-1);
  }
  snprintf(buffer, sizeof(buffer), "%s %s %s\r\nHost: %s\r\nReferer: %s\r\nUser-Agent: %s\r\n\r\n", method, uri, version, vhost, referer, agent); 
  if ((write(sock, buffer, sizeof(buffer)))<0) { perror("write"); exit(-1); }
  printf("Caught!\n\n");
  bzero(&buffer, sizeof(buffer));
  while((i=read(sock, buffer, sizeof(buffer)))!=0)
    write(1, buffer, i);
  close(sock); putchar('\n'); exit(0);
}