650 lines
16 KiB
C
650 lines
16 KiB
C
/* $NetBSD: debug.c,v 1.2 1998/11/24 06:05:34 ross Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1985, 1989
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef lint
|
|
static char sccsid[] = "@(#)debug.c 5.26 (Berkeley) 3/21/91";
|
|
static char rcsid[] = "Id: debug.c,v 8.11 1998/03/19 19:30:54 halley Exp";
|
|
#endif /* not lint */
|
|
|
|
/*
|
|
*******************************************************************************
|
|
*
|
|
* debug.c --
|
|
*
|
|
* Routines to print out packets received from a name server query.
|
|
*
|
|
* Modified version of 4.3BSD BIND res_debug.c 5.30 6/27/90
|
|
*
|
|
*******************************************************************************
|
|
*/
|
|
|
|
#include "port_before.h"
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/socket.h>
|
|
|
|
#include <netinet/in.h>
|
|
#include <arpa/nameser.h>
|
|
#include <arpa/inet.h>
|
|
|
|
#include <netdb.h>
|
|
#include <resolv.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "port_after.h"
|
|
|
|
#include "res.h"
|
|
|
|
/*
|
|
* Imported from res_debug.c
|
|
*/
|
|
extern char *_res_resultcodes[];
|
|
extern char *_res_opcodes[];
|
|
|
|
/*
|
|
* Used to highlight the start of a record when printing it.
|
|
*/
|
|
#define INDENT " -> "
|
|
|
|
/*
|
|
* Print the contents of a query.
|
|
* This is intended to be primarily a debugging routine.
|
|
*/
|
|
|
|
void
|
|
Print_query(const u_char *msg, const u_char *eom, int printHeader) {
|
|
Fprint_query(msg, eom, printHeader, stdout);
|
|
}
|
|
|
|
void
|
|
Fprint_query(const u_char *msg, const u_char *eom, int printHeader, FILE *file)
|
|
{
|
|
const u_char *cp;
|
|
const HEADER *hp;
|
|
int n;
|
|
u_int class, type;
|
|
|
|
/*
|
|
* Print header fields.
|
|
*/
|
|
hp = (HEADER *)msg;
|
|
cp = msg + HFIXEDSZ;
|
|
if (printHeader || (_res.options & RES_DEBUG2)) {
|
|
fprintf(file," HEADER:\n");
|
|
fprintf(file,"\topcode = %s", _res_opcodes[hp->opcode]);
|
|
fprintf(file,", id = %d", ntohs(hp->id));
|
|
fprintf(file,", rcode = %s\n", _res_resultcodes[hp->rcode]);
|
|
fprintf(file,"\theader flags: ");
|
|
if (hp->qr) {
|
|
fprintf(file," response");
|
|
} else {
|
|
fprintf(file," query");
|
|
}
|
|
if (hp->aa)
|
|
fprintf(file,", auth. answer");
|
|
if (hp->tc)
|
|
fprintf(file,", truncation");
|
|
if (hp->rd)
|
|
fprintf(file,", want recursion");
|
|
if (hp->ra)
|
|
fprintf(file,", recursion avail.");
|
|
if (hp->unused)
|
|
fprintf(file,", UNUSED-QUERY_BIT");
|
|
if (hp->ad)
|
|
fprintf(file,", authentic data");
|
|
if (hp->cd)
|
|
fprintf(file,", checking disabled");
|
|
fprintf(file,"\n\tquestions = %d", ntohs(hp->qdcount));
|
|
fprintf(file,", answers = %d", ntohs(hp->ancount));
|
|
fprintf(file,", authority records = %d", ntohs(hp->nscount));
|
|
fprintf(file,", additional = %d\n\n", ntohs(hp->arcount));
|
|
}
|
|
|
|
/*
|
|
* Print question records.
|
|
*/
|
|
n = ntohs(hp->qdcount);
|
|
if (n > 0) {
|
|
fprintf(file," QUESTIONS:\n");
|
|
while (--n >= 0) {
|
|
fprintf(file,"\t");
|
|
cp = Print_cdname(cp, msg, eom, file);
|
|
if (cp == NULL)
|
|
return;
|
|
type = ns_get16((u_char*)cp);
|
|
cp += INT16SZ;
|
|
class = ns_get16((u_char*)cp);
|
|
cp += INT16SZ;
|
|
fprintf(file,", type = %s", p_type(type));
|
|
fprintf(file,", class = %s\n", p_class(class));
|
|
}
|
|
}
|
|
/*
|
|
* Print authoritative answer records
|
|
*/
|
|
n = ntohs(hp->ancount);
|
|
if (n > 0) {
|
|
fprintf(file," ANSWERS:\n");
|
|
if (type == ns_t_a && n > MAXADDRS) {
|
|
printf("Limiting response to MAX Addrs = %d \n",
|
|
MAXADDRS);
|
|
n = MAXADDRS;
|
|
}
|
|
while (--n >= 0) {
|
|
fprintf(file, INDENT);
|
|
cp = Print_rr(cp, msg, eom, file);
|
|
if (cp == NULL)
|
|
return;
|
|
}
|
|
}
|
|
/*
|
|
* print name server records
|
|
*/
|
|
n = ntohs(hp->nscount);
|
|
if (n > 0) {
|
|
fprintf(file," AUTHORITY RECORDS:\n");
|
|
while (--n >= 0) {
|
|
fprintf(file, INDENT);
|
|
cp = Print_rr(cp, msg, eom, file);
|
|
if (cp == NULL)
|
|
return;
|
|
}
|
|
}
|
|
/*
|
|
* print additional records
|
|
*/
|
|
n = ntohs(hp->arcount);
|
|
if (n > 0) {
|
|
fprintf(file," ADDITIONAL RECORDS:\n");
|
|
while (--n >= 0) {
|
|
fprintf(file, INDENT);
|
|
cp = Print_rr(cp, msg, eom, file);
|
|
if (cp == NULL)
|
|
return;
|
|
}
|
|
}
|
|
fprintf(file,"\n------------\n");
|
|
}
|
|
|
|
const u_char *
|
|
Print_cdname_sub(const u_char *cp, const u_char *msg, const u_char *eom,
|
|
FILE *file, int format)
|
|
{
|
|
char name[MAXDNAME];
|
|
int n;
|
|
|
|
n = dn_expand(msg, eom, cp, name, sizeof name);
|
|
if (n < 0)
|
|
return (NULL);
|
|
if (name[0] == '\0')
|
|
strcpy(name, "(root)");
|
|
if (format)
|
|
fprintf(file, "%-30s", name);
|
|
else
|
|
fputs(name, file);
|
|
return (cp + n);
|
|
}
|
|
|
|
const u_char *
|
|
Print_cdname(const u_char *cp, const u_char *msg, const u_char *eom,
|
|
FILE *file)
|
|
{
|
|
return (Print_cdname_sub(cp, msg, eom, file, 0));
|
|
}
|
|
|
|
const u_char *
|
|
Print_cdname2(const u_char *cp, const u_char *msg, const u_char *eom,
|
|
FILE *file)
|
|
{
|
|
return (Print_cdname_sub(cp, msg, eom, file, 1));
|
|
}
|
|
|
|
#define BOUNDS_CHECK(ptr, count) \
|
|
do { \
|
|
if ((ptr) + (count) > eom) { \
|
|
fprintf(file, "(form error.)\n"); \
|
|
return (NULL); \
|
|
} \
|
|
} while (0)
|
|
|
|
/*
|
|
* Print resource record fields in human readable form (not master file form).
|
|
*/
|
|
const u_char *
|
|
Print_rr(const u_char *ocp, const u_char *msg, const u_char *eom, FILE *file) {
|
|
u_int type, class;
|
|
int dlen, n, c, debug;
|
|
u_long rrttl, ttl;
|
|
struct in_addr inaddr;
|
|
const u_char *cp, *cp1, *cp2;
|
|
|
|
if ((cp = Print_cdname(ocp, msg, eom, file)) == NULL) {
|
|
fprintf(file, "(name truncated?)\n");
|
|
return (NULL); /* compression error */
|
|
}
|
|
|
|
BOUNDS_CHECK(cp, 3 * INT16SZ + INT32SZ);
|
|
NS_GET16(type, cp);
|
|
NS_GET16(class, cp);
|
|
NS_GET32(rrttl, cp);
|
|
NS_GET16(dlen, cp);
|
|
BOUNDS_CHECK(cp, dlen);
|
|
|
|
debug = _res.options & (RES_DEBUG|RES_DEBUG2);
|
|
if (debug) {
|
|
if (_res.options & RES_DEBUG2)
|
|
fprintf(file,"\n\ttype = %s, class = %s, dlen = %d",
|
|
p_type(type), p_class(class), dlen);
|
|
if (type == T_SOA)
|
|
fprintf(file,"\n\tttl = %lu (%s)",
|
|
rrttl, p_time(rrttl));
|
|
putc('\n', file);
|
|
}
|
|
|
|
cp1 = cp;
|
|
|
|
/*
|
|
* Print type specific data, if appropriate
|
|
*/
|
|
switch (type) {
|
|
case T_A:
|
|
BOUNDS_CHECK(cp, INADDRSZ);
|
|
memcpy(&inaddr, cp, INADDRSZ);
|
|
fprintf(file,"\tinternet address = %s\n", inet_ntoa(inaddr));
|
|
cp += dlen;
|
|
break;
|
|
|
|
case T_CNAME:
|
|
fprintf(file,"\tcanonical name = ");
|
|
goto doname;
|
|
|
|
case T_MG:
|
|
fprintf(file,"\tmail group member = ");
|
|
goto doname;
|
|
|
|
case T_MB:
|
|
fprintf(file,"\tmail box = ");
|
|
goto doname;
|
|
|
|
case T_MR:
|
|
fprintf(file,"\tmailbox rename = ");
|
|
goto doname;
|
|
|
|
case T_MX:
|
|
BOUNDS_CHECK(cp, INT16SZ);
|
|
fprintf(file,"\tpreference = %u",ns_get16((u_char*)cp));
|
|
cp += INT16SZ;
|
|
fprintf(file,", mail exchanger = ");
|
|
goto doname;
|
|
|
|
case T_NAPTR:
|
|
BOUNDS_CHECK(cp, 2 * INT16SZ);
|
|
fprintf(file, "\torder = %u",ns_get16((u_char*)cp));
|
|
cp += INT16SZ;
|
|
fprintf(file,", preference = %u\n", ns_get16((u_char*)cp));
|
|
cp += INT16SZ;
|
|
/* Flags */
|
|
BOUNDS_CHECK(cp, 1);
|
|
n = *cp++;
|
|
BOUNDS_CHECK(cp, n);
|
|
fprintf(file,"\tflags = \"%.*s\"\n", (int)n, cp);
|
|
cp += n;
|
|
/* Service */
|
|
BOUNDS_CHECK(cp, 1);
|
|
n = *cp++;
|
|
BOUNDS_CHECK(cp, n);
|
|
fprintf(file,"\tservices = \"%.*s\"\n", (int)n, cp);
|
|
cp += n;
|
|
/* Regexp */
|
|
BOUNDS_CHECK(cp, 1);
|
|
n = *cp++;
|
|
BOUNDS_CHECK(cp, n);
|
|
fprintf(file,"\trule = \"%.*s\"\n", (int)n, cp);
|
|
cp += n;
|
|
/* Replacement */
|
|
fprintf(file,"\treplacement = ");
|
|
cp = Print_cdname(cp, msg, eom, file);
|
|
if (cp == NULL) {
|
|
fprintf(file, "(replacement truncated?)\n");
|
|
return (NULL); /* compression error */
|
|
}
|
|
(void) putc('\n', file);
|
|
break;
|
|
|
|
case T_SRV:
|
|
BOUNDS_CHECK(cp, 3 * INT16SZ);
|
|
fprintf(file, "\tpriority = %u",ns_get16((u_char*)cp));
|
|
cp += INT16SZ;
|
|
fprintf(file,", weight = %u", ns_get16((u_char*)cp));
|
|
cp += INT16SZ;
|
|
fprintf(file,", port= %u\n", ns_get16((u_char*)cp));
|
|
cp += INT16SZ;
|
|
|
|
fprintf(file,"\thost = ");
|
|
goto doname;
|
|
|
|
case T_PX:
|
|
BOUNDS_CHECK(cp, INT16SZ);
|
|
fprintf(file,"\tpreference = %u",ns_get16((u_char*)cp));
|
|
cp += INT16SZ;
|
|
fprintf(file,", RFC 822 = ");
|
|
cp = Print_cdname(cp, msg, eom, file);
|
|
if (cp == NULL) {
|
|
fprintf(file, "(name truncated?)\n");
|
|
return (NULL); /* compression error */
|
|
}
|
|
fprintf(file,"\nX.400 = ");
|
|
cp = Print_cdname(cp, msg, eom, file);
|
|
if (cp == NULL) {
|
|
fprintf(file, "(name truncated?)\n");
|
|
return (NULL); /* compression error */
|
|
}
|
|
(void) putc('\n', file);
|
|
break;
|
|
|
|
case T_RT:
|
|
BOUNDS_CHECK(cp, INT16SZ);
|
|
fprintf(file,"\tpreference = %u",ns_get16((u_char*)cp));
|
|
cp += INT16SZ;
|
|
fprintf(file,", router = ");
|
|
goto doname;
|
|
|
|
case T_AFSDB:
|
|
BOUNDS_CHECK(cp, INT16SZ);
|
|
fprintf(file,"\tsubtype = %d",ns_get16((u_char*)cp));
|
|
cp += INT16SZ;
|
|
fprintf(file,", DCE/AFS server = ");
|
|
goto doname;
|
|
|
|
case T_NS:
|
|
fprintf(file,"\tnameserver = ");
|
|
goto doname;
|
|
|
|
case T_PTR:
|
|
fprintf(file,"\tname = ");
|
|
doname:
|
|
cp = Print_cdname(cp, msg, eom, file);
|
|
if (cp == NULL) {
|
|
fprintf(file, "(name truncated?)\n");
|
|
return (NULL); /* compression error */
|
|
}
|
|
(void) putc('\n', file);
|
|
break;
|
|
|
|
case T_HINFO:
|
|
cp2 = cp + dlen;
|
|
BOUNDS_CHECK(cp, 1);
|
|
if ((n = *cp++) != 0) {
|
|
BOUNDS_CHECK(cp, n);
|
|
fprintf(file,"\tCPU = %.*s", n, cp);
|
|
cp += n;
|
|
}
|
|
if ((cp < cp2) && ((n = *cp++) != 0)) {
|
|
BOUNDS_CHECK(cp, n);
|
|
fprintf(file,"\tOS = %.*s\n", n, cp);
|
|
cp += n;
|
|
} else fprintf(file, "\n*** Warning *** OS-type missing\n");
|
|
break;
|
|
|
|
case T_ISDN:
|
|
cp2 = cp + dlen;
|
|
BOUNDS_CHECK(cp, 1);
|
|
n = *cp++;
|
|
if (n != 0) {
|
|
BOUNDS_CHECK(cp, n);
|
|
fprintf(file,"\tISDN = \"%.*s", n, cp);
|
|
cp += n;
|
|
}
|
|
if ((cp < cp2) && (n = *cp++)) {
|
|
BOUNDS_CHECK(cp, n);
|
|
fprintf(file,"-%.*s\"\n", n, cp);
|
|
cp += n;
|
|
} else fprintf(file,"\"\n");
|
|
break;
|
|
|
|
case T_SOA:
|
|
if (!debug)
|
|
putc('\n', file);
|
|
fprintf(file,"\torigin = ");
|
|
cp = Print_cdname(cp, msg, eom, file);
|
|
if (cp == NULL) {
|
|
fprintf(file, "(name truncated?)\n");
|
|
return (NULL); /* compression error */
|
|
}
|
|
fprintf(file,"\n\tmail addr = ");
|
|
cp = Print_cdname(cp, msg, eom, file);
|
|
if (cp == NULL) {
|
|
fprintf(file, "(name truncated?)\n");
|
|
return (NULL); /* compression error */
|
|
}
|
|
BOUNDS_CHECK(cp, 5 * INT32SZ);
|
|
fprintf(file,"\n\tserial = %lu", ns_get32((u_char*)cp));
|
|
cp += INT32SZ;
|
|
ttl = ns_get32((u_char*)cp);
|
|
fprintf(file,"\n\trefresh = %lu (%s)", ttl, p_time(ttl));
|
|
cp += INT32SZ;
|
|
ttl = ns_get32((u_char*)cp);
|
|
fprintf(file,"\n\tretry = %lu (%s)", ttl, p_time(ttl));
|
|
cp += INT32SZ;
|
|
ttl = ns_get32((u_char*)cp);
|
|
fprintf(file,"\n\texpire = %lu (%s)", ttl, p_time(ttl));
|
|
cp += INT32SZ;
|
|
ttl = ns_get32((u_char*)cp);
|
|
fprintf(file,
|
|
"\n\tminimum ttl = %lu (%s)\n", ttl, p_time(ttl));
|
|
cp += INT32SZ;
|
|
break;
|
|
|
|
case T_MINFO:
|
|
if (!debug)
|
|
putc('\n', file);
|
|
fprintf(file,"\trequests = ");
|
|
cp = Print_cdname(cp, msg, eom, file);
|
|
if (cp == NULL) {
|
|
fprintf(file, "(name truncated?)\n");
|
|
return (NULL); /* compression error */
|
|
}
|
|
fprintf(file,"\n\terrors = ");
|
|
cp = Print_cdname(cp, msg, eom, file);
|
|
if (cp == NULL) {
|
|
fprintf(file, "(name truncated?)\n");
|
|
return (NULL); /* compression error */
|
|
}
|
|
(void) putc('\n', file);
|
|
break;
|
|
|
|
case T_RP:
|
|
if (!debug)
|
|
putc('\n', file);
|
|
fprintf(file,"\tmailbox = ");
|
|
cp = Print_cdname(cp, msg, eom, file);
|
|
if (cp == NULL) {
|
|
fprintf(file, "(name truncated?)\n");
|
|
return (NULL); /* compression error */
|
|
}
|
|
fprintf(file,"\n\ttext = ");
|
|
cp = Print_cdname(cp, msg, eom, file);
|
|
if (cp == NULL) {
|
|
fprintf(file, "(name truncated?)\n");
|
|
return (NULL); /* compression error */
|
|
}
|
|
(void) putc('\n', file);
|
|
break;
|
|
|
|
case T_TXT:
|
|
(void) fputs("\ttext = ", file);
|
|
cp2 = cp1 + dlen;
|
|
while (cp < cp2) {
|
|
(void) putc('"', file);
|
|
n = (unsigned char) *cp++;
|
|
if (n != 0) {
|
|
for (c = n; c > 0 && cp < cp2; c--) {
|
|
if ((*cp == '\n') || (*cp == '"') || (*cp == '\\'))
|
|
(void) putc('\\', file);
|
|
(void) putc(*cp++, file);
|
|
}
|
|
}
|
|
(void) putc('"', file);
|
|
if (cp < cp2)
|
|
(void) putc(' ', file);
|
|
}
|
|
(void) putc('\n', file);
|
|
break;
|
|
|
|
case T_X25:
|
|
(void) fputs("\tX25 = \"", file);
|
|
cp2 = cp1 + dlen;
|
|
while (cp < cp2) {
|
|
n = (unsigned char) *cp++;
|
|
if (n != 0) {
|
|
for (c = n; c > 0 && cp < cp2; c--)
|
|
if (*cp == '\n') {
|
|
(void) putc('\\', file);
|
|
(void) putc(*cp++, file);
|
|
} else
|
|
(void) putc(*cp++, file);
|
|
}
|
|
}
|
|
(void) fputs("\"\n", file);
|
|
break;
|
|
|
|
case T_NSAP:
|
|
fprintf(file, "\tnsap = %s\n", inet_nsap_ntoa(dlen, cp, NULL));
|
|
cp += dlen;
|
|
break;
|
|
|
|
case T_AAAA: {
|
|
char t[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:255.255.255.255"];
|
|
|
|
BOUNDS_CHECK(cp, IN6ADDRSZ);
|
|
fprintf(file, "\tIPv6 address = %s\n",
|
|
inet_ntop(AF_INET6, cp, t, sizeof t));
|
|
cp += IN6ADDRSZ;
|
|
break;
|
|
}
|
|
|
|
case T_WKS: {
|
|
struct protoent *protoPtr;
|
|
|
|
BOUNDS_CHECK(cp, INADDRSZ + 1);
|
|
if (!debug)
|
|
(void) putc('\n', file);
|
|
memcpy(&inaddr, cp, INADDRSZ);
|
|
cp += INADDRSZ;
|
|
if ((protoPtr = getprotobynumber(*cp)) != NULL) {
|
|
fprintf(file,"\tinet address = %s, protocol = %s\n\t",
|
|
inet_ntoa(inaddr), protoPtr->p_name);
|
|
} else {
|
|
fprintf(file,"\tinet address = %s, protocol = %d\n\t",
|
|
inet_ntoa(inaddr), *cp);
|
|
}
|
|
cp++;
|
|
n = 0;
|
|
while (cp < cp1 + dlen) {
|
|
c = *cp++;
|
|
do {
|
|
struct servent *s;
|
|
|
|
if (c & 0200) {
|
|
s = getservbyport((int)htons(n),
|
|
protoPtr ? protoPtr->p_name : NULL);
|
|
if (s != NULL) {
|
|
fprintf(file," %s", s->s_name);
|
|
} else {
|
|
fprintf(file," #%d", n);
|
|
}
|
|
}
|
|
c <<= 1;
|
|
} while (++n & 07);
|
|
}
|
|
putc('\n',file);
|
|
break;
|
|
}
|
|
|
|
case T_NULL:
|
|
fprintf(file, "\tNULL (dlen %d)\n", dlen);
|
|
cp += dlen;
|
|
break;
|
|
|
|
case T_NXT:
|
|
case T_SIG:
|
|
case T_KEY:
|
|
default: {
|
|
char buf[2048]; /* XXX need to malloc/realloc. */
|
|
|
|
if (ns_sprintrrf(msg, eom - msg, "?", class, type, rrttl,
|
|
cp1, dlen, NULL, NULL, buf, sizeof buf) < 0) {
|
|
perror("ns_sprintrrf");
|
|
} else {
|
|
fprintf(file,
|
|
"\trecord type %s, interpreted as:\n%s\n",
|
|
p_type(type), buf);
|
|
}
|
|
cp += dlen;
|
|
}
|
|
}
|
|
if (_res.options & RES_DEBUG && type != T_SOA) {
|
|
fprintf(file,"\tttl = %lu (%s)\n", rrttl, p_time(rrttl));
|
|
}
|
|
if (cp != cp1 + dlen) {
|
|
fprintf(file,
|
|
"\n*** Error: record size incorrect (%d != %d)\n\n",
|
|
cp - cp1, dlen);
|
|
cp = NULL;
|
|
}
|
|
return (cp);
|
|
}
|