161 lines
5.4 KiB
C
161 lines
5.4 KiB
C
/* $NetBSD: db_tsig.c,v 1.3 2002/06/20 11:42:56 itojun Exp $ */
|
|
|
|
|
|
#if !defined(lint) && !defined(SABER)
|
|
static const char rcsid[] = "Id: db_tsig.c,v 8.8 2002/05/21 02:34:32 marka Exp";
|
|
#endif /* not lint */
|
|
|
|
/*
|
|
* Copyright (c) 1986, 1990
|
|
* The Regents of the University of California. 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This product includes software developed by the University of
|
|
* California, Berkeley and its contributors.
|
|
* 4. Neither the name of the University 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 REGENTS 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 REGENTS 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.
|
|
*/
|
|
|
|
/*
|
|
* Portions Copyright (c) 1993 by Digital Equipment Corporation.
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies, and that
|
|
* the name of Digital Equipment Corporation not be used in advertising or
|
|
* publicity pertaining to distribution of the document or software without
|
|
* specific, written prior permission.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
|
|
* WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
|
|
* CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
|
|
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
|
|
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
|
|
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
|
|
* SOFTWARE.
|
|
*/
|
|
|
|
/*
|
|
* Portions Copyright (c) 1996-2000 by Internet Software Consortium.
|
|
*
|
|
* Permission to use, copy, modify, and distribute this software for any
|
|
* purpose with or without fee is hereby granted, provided that the above
|
|
* copyright notice and this permission notice appear in all copies.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
|
|
* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
|
|
* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
|
|
* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
|
|
* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
|
|
* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
|
|
* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
|
|
* SOFTWARE.
|
|
*/
|
|
|
|
#include "port_before.h"
|
|
|
|
#include <sys/types.h>
|
|
#include <sys/param.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/un.h>
|
|
|
|
#include <netinet/in.h>
|
|
#include <arpa/inet.h>
|
|
#include <arpa/nameser.h>
|
|
|
|
#include <ctype.h>
|
|
#include <resolv.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <syslog.h>
|
|
#include <time.h>
|
|
|
|
#include <isc/eventlib.h>
|
|
#include <isc/logging.h>
|
|
#include <isc/memcluster.h>
|
|
#include <isc/tree.h>
|
|
|
|
#include <isc/dst.h>
|
|
|
|
#include "port_after.h"
|
|
|
|
#include "named.h"
|
|
|
|
typedef struct {
|
|
DST_KEY *key;
|
|
void *ctx;
|
|
} tsig_axfr_state;
|
|
|
|
#define TSIG_ALG_MD5 "HMAC-MD5.SIG-ALG.REG.INT"
|
|
#define TSIG_ALG_MD5_SHORT "hmac-md5"
|
|
|
|
const char *
|
|
tsig_alg_name(int value) {
|
|
if (value == KEY_HMAC_MD5)
|
|
return(TSIG_ALG_MD5);
|
|
else
|
|
return(NULL);
|
|
}
|
|
|
|
int
|
|
tsig_alg_value(char *name) {
|
|
if (ns_samename(name, TSIG_ALG_MD5) == 1 ||
|
|
strcasecmp(name, TSIG_ALG_MD5_SHORT) == 0)
|
|
return (KEY_HMAC_MD5);
|
|
else
|
|
return (-1);
|
|
}
|
|
|
|
DST_KEY *
|
|
tsig_key_from_addr(struct in_addr addr) {
|
|
server_info si = find_server(addr);
|
|
if (si == NULL || si->key_list == NULL || si->key_list->first == NULL)
|
|
return(NULL);
|
|
return(si->key_list->first->key);
|
|
}
|
|
|
|
struct tsig_record *
|
|
new_tsig(DST_KEY *key, u_char *sig, int siglen) {
|
|
struct tsig_record *tsig;
|
|
|
|
if (siglen > TSIG_SIG_SIZE)
|
|
return(NULL);
|
|
tsig = memget(sizeof(struct tsig_record));
|
|
if (tsig == NULL)
|
|
return(NULL);
|
|
tsig->key = key;
|
|
tsig->siglen = siglen;
|
|
memcpy(tsig->sig, sig, siglen);
|
|
return(tsig);
|
|
}
|
|
|
|
void
|
|
free_tsig(struct tsig_record *tsig) {
|
|
if (tsig == NULL)
|
|
return;
|
|
memput(tsig, sizeof(struct tsig_record));
|
|
}
|