logging.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 1999-2001 by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <syslog.h>
#include <stdarg.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <net/if.h>
#include <netinet/in.h>
#include <netinet/if_ether.h>
#include <arpa/inet.h>
#include <netinet/dhcp.h>
#include <netdb.h>
#include "dhcpd.h"
static char *dhcp_msg_cats[] = {
/* L_ASSIGN */ "ASSIGN",
/* L_REPLY */ "EXTEND",
/* L_RELEASE */ "RELEASE",
/* L_DECLINE */ "DECLINE",
/* L_INFORM */ "INFORM",
/* L_NAK */ "NAK",
/* L_ICMP_ECHO */ "ICMP-ECHO",
/* L_RELAY_REQ */ "RELAY-SRVR",
/* L_RELAY_REP */ "RELAY-CLNT"
};
static char *protos[] = {
/* P_BOOTP */ "BOOTP",
/* P_DHCP */ "DHCP"
};
/*
* Transaction logging. Note - if we're in debug mode, the transactions
* are logged to the console!
*
* 'cip' and 'sip' are expected in network order.
*/
void
logtrans(DHCP_PROTO p, DHCP_MSG_CATEGORIES type, time_t lease,
struct in_addr cip, struct in_addr sip, PKT_LIST *plp)
{
char *cat, *proto, *t, *class_id;
uint_t maclen;
char class_idbuf[DHCP_MAX_OPT_SIZE];
char cidbuf[DHCP_MAX_OPT_SIZE];
char ntoabc[INET_ADDRSTRLEN], ntoabs[INET_ADDRSTRLEN];
char macbuf[(sizeof (((PKT *)NULL)->chaddr) * 2) + 1];
if (log_local < 0)
return;
proto = protos[p];
cat = dhcp_msg_cats[type];
(void) disp_cid(plp, cidbuf, sizeof (cidbuf));
class_id = get_class_id(plp, class_idbuf, sizeof (class_idbuf));
/* convert white space in class id into periods (.) */
if (class_id != NULL) {
for (t = class_id; *t != '\0'; t++) {
if (isspace(*t))
*t = '.';
}
} else
class_id = "N/A";
maclen = sizeof (macbuf);
macbuf[0] = '\0';
(void) octet_to_hexascii(plp->pkt->chaddr, plp->pkt->hlen, macbuf,
&maclen);
dhcpmsg(log_local | LOG_NOTICE, "%s %s %010d %010d %s %s %s %s %s\n",
proto, cat, time(NULL), lease,
inet_ntop(AF_INET, &cip, ntoabc, sizeof (ntoabc)),
inet_ntop(AF_INET, &sip, ntoabs, sizeof (ntoabs)),
cidbuf, class_id, macbuf);
}