4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Copyright (c) 1996, 1998 by Internet Software Consortium.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Permission to use, copy, modify, and distribute this software for any
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * purpose with or without fee is hereby granted, provided that the above
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * copyright notice and this permission notice appear in all copies.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * SOFTWARE.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Portions copyright (c) 1999, 2000
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Intel Corporation.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * All rights reserved.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Redistribution and use in source and binary forms, with or without
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * modification, are permitted provided that the following conditions
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * are met:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 1. Redistributions of source code must retain the above copyright
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * notice, this list of conditions and the following disclaimer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 2. Redistributions in binary form must reproduce the above copyright
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * notice, this list of conditions and the following disclaimer in the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * documentation and/or other materials provided with the distribution.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 3. All advertising materials mentioning features or use of this software
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * must display the following acknowledgement:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * This product includes software developed by Intel Corporation and
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * its contributors.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 4. Neither the name of Intel Corporation or its contributors may be
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * used to endorse or promote products derived from this software
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * without specific prior written permission.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * THIS SOFTWARE IS PROVIDED BY INTEL CORPORATION AND CONTRIBUTORS ``AS IS''
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * ARE DISCLAIMED. IN NO EVENT SHALL INTEL CORPORATION OR CONTRIBUTORS BE
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * THE POSSIBILITY OF SUCH DAMAGE.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#ifndef lint
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstatic char rcsid[] = "$Id: ns_print.c,v 1.1.1.1 2003/11/19 01:51:34 kyu3 Exp $";
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#endif
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* Import. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <sys/types.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <sys/socket.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <netinet/in.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <arpa/nameser.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <arpa/inet.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <assert.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <errno.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <resolv.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <string.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <ctype.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define SPRINTF(x) (sprintf x)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* Forward. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstatic size_t prune_origin(const char *name, const char *origin);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstatic int charstr(const u_char *rdata, const u_char *edata,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync char **buf, size_t *buflen);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstatic int addname(const u_char *msg, size_t msglen,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync const u_char **p, const char *origin,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync char **buf, size_t *buflen);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstatic void addlen(size_t len, char **buf, size_t *buflen);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstatic int addstr(const char *src, size_t len,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync char **buf, size_t *buflen);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstatic int addtab(size_t len, size_t target, int spaced,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync char **buf, size_t *buflen);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* Macros. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define T(x) \
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync do { \
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if ((ssize_t)(x) < 0) \
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return (-1); \
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync } while (0)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* Public. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * int
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * ns_sprintrr(handle, rr, name_ctx, origin, buf, buflen)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Convert an RR to presentation format.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * return:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Number of characters written to buf, or -1 (check errno).
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncint
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncns_sprintrr(const ns_msg *handle, const ns_rr *rr,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync const char *name_ctx, const char *origin,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync char *buf, size_t buflen)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync int n;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync n = ns_sprintrrf(ns_msg_base(*handle), ns_msg_size(*handle),
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ns_rr_name(*rr), ns_rr_class(*rr), ns_rr_type(*rr),
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ns_rr_ttl(*rr), ns_rr_rdata(*rr), ns_rr_rdlen(*rr),
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync name_ctx, origin, buf, buflen);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return (n);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * int
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * ns_sprintrrf(msg, msglen, name, class, type, ttl, rdata, rdlen,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * name_ctx, origin, buf, buflen)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Convert the fields of an RR into presentation format.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * return:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Number of characters written to buf, or -1 (check errno).
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncint
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncns_sprintrrf(const u_char *msg, size_t msglen,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync const char *name, ns_class class, ns_type type,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_long ttl, const u_char *rdata, size_t rdlen,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync const char *name_ctx, const char *origin,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync char *buf, size_t buflen)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync const char *obuf = buf;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync const u_char *edata = rdata + rdlen;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync int spaced = 0;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync const char *comment;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync char tmp[100];
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync int x;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync size_t len;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync static char base64_key[NS_MD5RSA_MAX_BASE64];
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync static char t[255*3];
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Owner.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (name_ctx != NULL && strcasecmp(name_ctx, name) == 0) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr("\t\t\t", 3, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync } else {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync len = prune_origin(name, origin);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (len == 0) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr("@\t\t\t", 4, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync } else {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(name, len, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Origin not used and no trailing dot? */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if ((!origin || !origin[0] || name[len] == '\0') &&
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync name[len - 1] != '.') {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(".", 1, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync len++;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(spaced = addtab(len, 24, spaced, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * TTL, Class, Type.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(x = ns_format_ttl(ttl, buf, buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync addlen(x, &buf, &buflen);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync len = SPRINTF((tmp, " %s %s", p_class(class), p_type(type)));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(tmp, len, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(spaced = addtab(x + len, 16, spaced, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * RData.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync switch (type) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case ns_t_a:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (rdlen != NS_INADDRSZ)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto formerr;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (void) inet_ntop(AF_INET, rdata, buf, (socklen_t)buflen);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync addlen(strlen(buf), &buf, &buflen);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case ns_t_cname:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case ns_t_mb:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case ns_t_mg:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case ns_t_mr:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case ns_t_ns:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case ns_t_ptr:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case ns_t_hinfo:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case ns_t_isdn:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* First word. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(len = charstr(rdata, edata, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (len == 0)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto formerr;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync rdata += len;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(" ", 1, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Second word. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(len = charstr(rdata, edata, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (len == 0)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto formerr;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync rdata += len;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case ns_t_soa: {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_long t;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Server name. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(" ", 1, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Administrator name. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(" (\n", 3, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync spaced = 0;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if ((edata - rdata) != 5*NS_INT32SZ)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto formerr;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Serial number. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync t = ns_get32(rdata); rdata += NS_INT32SZ;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr("\t\t\t\t\t", 5, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync len = SPRINTF((tmp, "%lu", t));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(tmp, len, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(spaced = addtab(len, 16, spaced, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr("; serial\n", 9, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync spaced = 0;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Refresh interval. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync t = ns_get32(rdata); rdata += NS_INT32SZ;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr("\t\t\t\t\t", 5, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(len = ns_format_ttl(t, buf, buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync addlen(len, &buf, &buflen);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(spaced = addtab(len, 16, spaced, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr("; refresh\n", 10, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync spaced = 0;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Retry interval. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync t = ns_get32(rdata); rdata += NS_INT32SZ;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr("\t\t\t\t\t", 5, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(len = ns_format_ttl(t, buf, buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync addlen(len, &buf, &buflen);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(spaced = addtab(len, 16, spaced, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr("; retry\n", 8, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync spaced = 0;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Expiry. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync t = ns_get32(rdata); rdata += NS_INT32SZ;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr("\t\t\t\t\t", 5, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(len = ns_format_ttl(t, buf, buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync addlen(len, &buf, &buflen);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(spaced = addtab(len, 16, spaced, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr("; expiry\n", 9, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync spaced = 0;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Minimum TTL. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync t = ns_get32(rdata); rdata += NS_INT32SZ;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr("\t\t\t\t\t", 5, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(len = ns_format_ttl(t, buf, buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync addlen(len, &buf, &buflen);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(" )", 2, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(spaced = addtab(len, 16, spaced, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr("; minimum\n", 10, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case ns_t_mx:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case ns_t_afsdb:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case ns_t_rt: {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_int t;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (rdlen < NS_INT16SZ)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto formerr;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Priority. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync t = ns_get16(rdata);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync rdata += NS_INT16SZ;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync len = SPRINTF((tmp, "%u ", t));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(tmp, len, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Target. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case ns_t_px: {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_int t;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (rdlen < NS_INT16SZ)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto formerr;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Priority. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync t = ns_get16(rdata);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync rdata += NS_INT16SZ;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync len = SPRINTF((tmp, "%u ", t));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(tmp, len, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Name1. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(" ", 1, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Name2. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case ns_t_x25:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(len = charstr(rdata, edata, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (len == 0)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto formerr;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync rdata += len;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case ns_t_txt:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync while (rdata < edata) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(len = charstr(rdata, edata, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (len == 0)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto formerr;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync rdata += len;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (rdata < edata)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(" ", 1, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case ns_t_nsap: {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (void) inet_nsap_ntoa((int)rdlen, rdata, t);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(t, strlen(t), &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case ns_t_aaaa:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (rdlen != NS_IN6ADDRSZ)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto formerr;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (void) inet_ntop(AF_INET6, rdata, buf, (socklen_t)buflen);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync addlen(strlen(buf), &buf, &buflen);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case ns_t_loc: {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* XXX protocol format checking? */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (void) loc_ntoa(rdata, t);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(t, strlen(t), &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case ns_t_naptr: {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_int order, preference;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (rdlen < 2*NS_INT16SZ)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto formerr;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Order, Precedence. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync order = ns_get16(rdata); rdata += NS_INT16SZ;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync preference = ns_get16(rdata); rdata += NS_INT16SZ;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync len = SPRINTF((t, "%u %u ", order, preference));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(t, len, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Flags. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(len = charstr(rdata, edata, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (len == 0)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto formerr;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync rdata += len;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(" ", 1, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Service. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(len = charstr(rdata, edata, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (len == 0)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto formerr;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync rdata += len;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(" ", 1, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Regexp. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(len = charstr(rdata, edata, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if ((ssize_t)len < 0)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return (-1);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (len == 0)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto formerr;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync rdata += len;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(" ", 1, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Server. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case ns_t_srv: {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_int priority, weight, port;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (rdlen < NS_INT16SZ*3)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto formerr;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Priority, Weight, Port. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync priority = ns_get16(rdata); rdata += NS_INT16SZ;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync weight = ns_get16(rdata); rdata += NS_INT16SZ;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync port = ns_get16(rdata); rdata += NS_INT16SZ;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync len = SPRINTF((t, "%u %u %u ", priority, weight, port));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(t, len, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Server. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case ns_t_minfo:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case ns_t_rp:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Name1. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(" ", 1, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Name2. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case ns_t_wks: {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync int n, lcnt;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (rdlen < NS_INT32SZ + 1)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto formerr;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Address. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (void) inet_ntop(AF_INET, rdata, buf, (socklen_t)buflen);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync addlen(strlen(buf), &buf, &buflen);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync rdata += NS_INADDRSZ;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Protocol. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync len = SPRINTF((tmp, " %u ( ", *rdata));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(tmp, len, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync rdata += NS_INT8SZ;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Bit map. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync n = 0;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync lcnt = 0;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync while (rdata < edata) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_int c = *rdata++;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync do {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (c & 0200) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (lcnt == 0) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr("\n\t\t\t\t", 5,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync lcnt = 10;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync spaced = 0;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync len = SPRINTF((tmp, "%d ", n));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(tmp, len, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync lcnt--;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync c <<= 1;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync } while (++n & 07);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(")", 1, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case ns_t_key: {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_int keyflags, protocol, algorithm;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync const char *leader;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync int n;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (rdlen < NS_INT16SZ + NS_INT8SZ + NS_INT8SZ)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto formerr;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Key flags, Protocol, Algorithm. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync keyflags = ns_get16(rdata); rdata += NS_INT16SZ;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync protocol = *rdata++;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync algorithm = *rdata++;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync len = SPRINTF((tmp, "0x%04x %u %u",
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync keyflags, protocol, algorithm));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(tmp, len, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Public key data. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync len = b64_ntop(rdata, edata - rdata,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync base64_key, sizeof base64_key);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if ((ssize_t)len < 0)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto formerr;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (len > 15) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(" (", 2, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync leader = "\n\t\t";
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync spaced = 0;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync } else
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync leader = " ";
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync for (n = 0; n < (int)len; n += 48) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(leader, strlen(leader), &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(base64_key + n, MIN(len - n, 48),
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (len > 15)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(" )", 2, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case ns_t_sig: {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_int type, algorithm, labels, footprint;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync const char *leader;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync u_long t;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync int n;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (rdlen < 22)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto formerr;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Type covered, Algorithm, Label count, Original TTL. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync type = ns_get16(rdata); rdata += NS_INT16SZ;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync algorithm = *rdata++;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync labels = *rdata++;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync t = ns_get32(rdata); rdata += NS_INT32SZ;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync len = SPRINTF((tmp, " %s %d %lu ",
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync p_type((int)type), algorithm, t));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(tmp, len, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (labels != (u_int)dn_count_labels(name))
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto formerr;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Signature expiry. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync t = ns_get32(rdata); rdata += NS_INT32SZ;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync len = SPRINTF((tmp, "%s ", p_secstodate(t)));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(tmp, len, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Time signed. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync t = ns_get32(rdata); rdata += NS_INT32SZ;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync len = SPRINTF((tmp, "%s ", p_secstodate(t)));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(tmp, len, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Signature Footprint. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync footprint = ns_get16(rdata); rdata += NS_INT16SZ;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync len = SPRINTF((tmp, "%u ", footprint));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(tmp, len, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Signer's name. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Signature. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync len = b64_ntop(rdata, edata - rdata,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync base64_key, sizeof base64_key);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (len > 15) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(" (", 2, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync leader = "\n\t\t";
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync spaced = 0;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync } else
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync leader = " ";
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if ((ssize_t)len < 0)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto formerr;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync for (n = 0; n < (int)len; n += 48) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(leader, strlen(leader), &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(base64_key + n, MIN(len - n, 48),
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (len > 15)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(" )", 2, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync case ns_t_nxt: {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync int n, c;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Next domain name. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addname(msg, msglen, &rdata, origin, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Type bit map. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync n = (int)(edata - rdata);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync for (c = 0; c < n*8; c++)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (NS_NXT_BIT_ISSET(c, rdata)) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync len = SPRINTF((tmp, " %s", p_type(c)));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(tmp, len, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync default:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync comment = "unknown RR type";
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto hexify;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return ((int)(buf - obuf));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync formerr:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync comment = "RR format error";
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync hexify: {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync int n, m;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync char *p;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync len = SPRINTF((tmp, "\\#(\t\t; %s", comment));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(tmp, len, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync while (rdata < edata) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync p = tmp;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync p += SPRINTF((p, "\n\t"));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync spaced = 0;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync n = MIN(16, (int)(edata - rdata));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync for (m = 0; m < n; m++)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync p += SPRINTF((p, "%02x ", rdata[m]));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(tmp, (u_int)(p - tmp), &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (n < 16) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(")", 1, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addtab((u_int)(p - tmp) + 1, 48, spaced, &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync p = tmp;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync p += SPRINTF((p, "; "));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync for (m = 0; m < n; m++)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *p++ = (isascii(rdata[m]) && isprint(rdata[m]))
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ? rdata[m]
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync : '.';
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(tmp, (u_int)(p - tmp), &buf, &buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync rdata += n;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return ((int)(buf - obuf));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/* Private. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * size_t
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * prune_origin(name, origin)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Find out if the name is at or under the current origin.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * return:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Number of characters in name before start of origin,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * or length of name if origin does not match.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * notes:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * This function should share code with samedomain().
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstatic size_t
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncprune_origin(const char *name, const char *origin) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync const char *oname = name;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync while (*name != '\0') {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (origin != NULL && strcasecmp(name, origin) == 0)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return ((size_t)(name - oname) - (name > oname));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync while (*name != '\0') {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (*name == '\\') {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync name++;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* XXX need to handle \nnn form. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (*name == '\0')
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync } else if (*name == '.') {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync name++;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync break;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync name++;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return ((size_t)(name - oname));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/*
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * int
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * charstr(rdata, edata, buf, buflen)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Format a <character-string> into the presentation buffer.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * return:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * Number of rdata octets consumed
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * 0 for protocol format error
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * -1 for output buffer error
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * side effects:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync * buffer is advanced on success.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstatic int
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsynccharstr(const u_char *rdata, const u_char *edata, char **buf, size_t *buflen) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync const u_char *odata = rdata;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync size_t save_buflen = *buflen;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync char *save_buf = *buf;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (addstr("\"", 1, buf, buflen) < 0)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto enospc;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (rdata < edata) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync int n = *rdata;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (rdata + 1 + n <= edata) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync rdata++;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync while (n-- > 0) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (strchr("\n\"\\", *rdata) != NULL)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (addstr("\\", 1, buf, buflen) < 0)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto enospc;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (addstr((const char *)rdata, 1,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync buf, buflen) < 0)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto enospc;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync rdata++;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (addstr("\"", 1, buf, buflen) < 0)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto enospc;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return ((int)(rdata - odata));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync enospc:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync errno = ENOSPC;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *buf = save_buf;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *buflen = save_buflen;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return (-1);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstatic int
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncaddname(const u_char *msg, size_t msglen,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync const u_char **pp, const char *origin,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync char **buf, size_t *buflen)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync{
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync size_t newlen, save_buflen = *buflen;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync char *save_buf = *buf;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync int n;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync n = dn_expand(msg, msg + msglen, *pp, *buf, (int)(*buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (n < 0)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto enospc; /* Guess. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync newlen = prune_origin(*buf, origin);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if ((origin == NULL || origin[0] == '\0' || (*buf)[newlen] == '\0') &&
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (newlen == 0 || (*buf)[newlen - 1] != '.')) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* No trailing dot. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (newlen + 2 > *buflen)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto enospc; /* No room for ".\0". */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (*buf)[newlen++] = '.';
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (*buf)[newlen] = '\0';
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (newlen == 0) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync /* Use "@" instead of name. */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (newlen + 2 > *buflen)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync goto enospc; /* No room for "@\0". */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (*buf)[newlen++] = '@';
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync (*buf)[newlen] = '\0';
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *pp += n;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync addlen(newlen, buf, buflen);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync **buf = '\0';
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return ((int)newlen);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync enospc:
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync errno = ENOSPC;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *buf = save_buf;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *buflen = save_buflen;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return (-1);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstatic void
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncaddlen(size_t len, char **buf, size_t *buflen) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync assert(len <= *buflen);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *buf += len;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *buflen -= len;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstatic int
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncaddstr(const char *src, size_t len, char **buf, size_t *buflen) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (len > *buflen) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync errno = ENOSPC;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return (-1);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync memcpy(*buf, src, len);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync addlen(len, buf, buflen);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync **buf = '\0';
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return (0);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncstatic int
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncaddtab(size_t len, size_t target, int spaced, char **buf, size_t *buflen) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync size_t save_buflen = *buflen;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync char *save_buf = *buf;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync int t;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (spaced || len >= target - 1) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync T(addstr(" ", 2, buf, buflen));
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync spaced = 1;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync } else {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync for (t = (int)(target - len - 1) / 8; t >= 0; t--)
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync if (addstr("\t", 1, buf, buflen) < 0) {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *buflen = save_buflen;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync *buf = save_buf;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return (-1);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync spaced = 0;
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync }
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync return (spaced);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync}