text: /*
   * send.c
   *
   * Copyright (c) 2002 Dug Song <dugsong@monkey.org>
   *
   * $Id: send.c,v 1.3 2002/02/08 07:43:53 dugsong Exp $
   */
  
  #include "config.h"
  
  #include <sys/types.h>
  
  #include <err.h>
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  #include <time.h>
  #include <unistd.h>
  
  #include "dnet.h"
  #include "aton.h"
  #include "mod.h"
  
  void
  send_usage(void)
  {
  	fprintf(stderr, "Usage: dnet send [<device>]\n");
  	exit(1);
  }
  
  int
  send_main(int argc, char *argv[])
  {
  	eth_t *eth;
  	ip_t *ip;
  	u_char *p, buf[IP_LEN_MAX];	/* XXX */
  	int c, len;
  
  	if (argc == 2 && *(argv[1]) == '-')
  		send_usage();
  	
  	if (isatty(STDIN_FILENO))
  		errx(1, "can't read packet to send from tty");
  
  	p = buf;
  	len = sizeof(buf) - (p - buf);
  	
  	while ((c = read(STDIN_FILENO, p, len)) > 0) {
  		p += c;
  		len -= c;
  	}
  	len = p - buf;
  	
  	if (argc == 1) {
  		if ((ip = ip_open()) == NULL)
  			err(1, "ip_open");
  		if (ip_send(ip, buf, len) != len)
  			err(1, "ip_send");
  		ip_close(ip);
  	} else if (argc == 2) {
  		if ((eth = eth_open(argv[1])) == NULL)
  			err(1, "eth_open");
  		if (eth_send(eth, buf, len) != len)
  			err(1, "eth_send");
  		eth_close(eth);
  	} else
  		send_usage();
  	
  	exit(0);
  }
  
  struct mod mod_send = {
  	"send",
  	MOD_TYPE_XMIT,
  	send_main
  };
  