/* print.c

   Turn data structures into printable text. */

/*
 * Copyright (c) 1995, 1996, 1997, 1998 The Internet Software Consortium.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of The Internet Software Consortium nor the names
 *    of its contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE INTERNET SOFTWARE CONSORTIUM AND
 * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE INTERNET SOFTWARE CONSORTIUM OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * This software has been written for the Internet Software Consortium
 * by Ted Lemon <mellon@fugue.com> in cooperation with Vixie
 * Enterprises.  To learn more about the Internet Software Consortium,
 * see ``http://www.vix.com/isc''.  To learn more about Vixie
 * Enterprises, see ``http://www.vix.com''.
 */

#include "dhcpd.h"

char *print_hw_addr (htype, hlen, data)
	int htype;
	int hlen;
	unsigned char *data;
{
	static char habuf [49];
	char *s;
	int i;

	if (htype == 0 || hlen == 0) {
		goto bad;
	} else {
		int slen = sizeof(habuf);
		s = habuf;
		for (i = 0; i < hlen; i++) {
			int j;
			j = snprintf (s, slen, "%02x", data [i]);
			if (j <= 0)
				goto bad;

			s += strlen (s);
			slen -= (strlen(s) + 1);
 			*s++ = ':';
		}
		*--s = 0;
	}
	return habuf;
 bad:	
	strlcpy (habuf, "<null>", sizeof habuf);
	return habuf;

}

void print_lease (lease)
	struct lease *lease;
{
	struct tm *t;
	char tbuf [32];

	debug ("      Lease %s",
	       piaddr (lease -> ip_addr));
	
	t = gmtime (&lease -> starts);
	strftime (tbuf, sizeof tbuf, "%Y/%m/%d %H:%M:%S", t);
	debug ("        start %s", tbuf);
	
	t = gmtime (&lease -> ends);
	strftime (tbuf, sizeof tbuf, "%Y/%m/%d %H:%M:%S", t);
	debug ("        end %s", tbuf);
	
	t = gmtime (&lease -> timestamp);
	strftime (tbuf, sizeof tbuf, "%Y/%m/%d %H:%M:%S", t);
	debug ("        stamp %s", tbuf);
	
	debug ("        hardware addr = %s",
	       print_hw_addr (lease -> hardware_addr.htype,
			       lease -> hardware_addr.hlen,
			       lease -> hardware_addr.haddr));
	debug ("        host %s  ",
	       lease -> host ? lease -> host -> name : "<none>");
}	

void dump_packet (tp)
	struct packet *tp;
{
	struct dhcp_packet *tdp = tp -> raw;

	debug ("packet length %d", tp -> packet_length);
	debug ("op = %d  htype = %d  hlen = %d  hops = %d",
	       tdp -> op, tdp -> htype, tdp -> hlen, tdp -> hops);
	debug ("xid = %x  secs = %d  flags = %x",
	       tdp -> xid, tdp -> secs, tdp -> flags);
	debug ("ciaddr = %s", inet_ntoa (tdp -> ciaddr));
	debug ("yiaddr = %s", inet_ntoa (tdp -> yiaddr));
	debug ("siaddr = %s", inet_ntoa (tdp -> siaddr));
	debug ("giaddr = %s", inet_ntoa (tdp -> giaddr));
	debug ("chaddr = %02x:%02x:%02x:%02x:%02x:%02x",
	       ((unsigned char *)(tdp -> chaddr)) [0],
	       ((unsigned char *)(tdp -> chaddr)) [1],
	       ((unsigned char *)(tdp -> chaddr)) [2],
	       ((unsigned char *)(tdp -> chaddr)) [3],
	       ((unsigned char *)(tdp -> chaddr)) [4],
	       ((unsigned char *)(tdp -> chaddr)) [5]);
	debug ("filename = %s", tdp -> file);
	debug ("server_name = %s", tdp -> sname);
	if (tp -> options_valid) {
		int i;

		for (i = 0; i < 256; i++) {
			if (tp -> options [i].data)
				debug ("  %s = %s",
					dhcp_options [i].name,
					pretty_print_option
					(i, tp -> options [i].data,
					 tp -> options [i].len, 1, 1));
		}
	}
	debug ("%s", "");
}

void dump_raw (buf, len)
	unsigned char *buf;
	int len;
{
	int i, j;
	char lbuf [80];
	int llen = sizeof(lbuf);
	int lbix = 0;

	lbuf [0] = 0;

	for (i = 0; i < len; i++) {
		if ((i & 15) == 0) {
			if (lbix)
				note (lbuf);
			j = snprintf (lbuf, llen, "%03x:", i);
			if (j >= llen)
				return;
			lbix+=j;
			llen-=j;
		} else if ((i & 7) == 0) { 
			lbuf [lbix++] = ' ';
			len--;
		}
		j = snprintf (&lbuf [lbix], llen, " %02x", buf [i]);
		if (j >= llen)
			return;
		lbix += j;
		llen -= j;
	}
	note (lbuf);
}

void hash_dump (table)
	struct hash_table *table;
{
	int i;
	struct hash_bucket *bp;

	if (!table)
		return;

	for (i = 0; i < table -> hash_count; i++) {
		if (!table -> buckets [i])
			continue;
		note ("hash bucket %d:", i);
		for (bp = table -> buckets [i]; bp; bp = bp -> next) {
			if (bp -> len)
				dump_raw (bp -> name, bp -> len);
			else
				note ((char *)bp -> name);
		}
	}
}