diff options
Diffstat (limited to 'contrib/bind/bin/nslookup/debug.c')
| -rw-r--r-- | contrib/bind/bin/nslookup/debug.c | 657 |
1 files changed, 0 insertions, 657 deletions
diff --git a/contrib/bind/bin/nslookup/debug.c b/contrib/bind/bin/nslookup/debug.c deleted file mode 100644 index 1d99ddc..0000000 --- a/contrib/bind/bin/nslookup/debug.c +++ /dev/null @@ -1,657 +0,0 @@ -/* $FreeBSD$ */ -/* - * 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 const char sccsid[] = "@(#)debug.c 5.26 (Berkeley) 3/21/91"; -static const char rcsid[] = "$Id: debug.c,v 8.19 2001/09/25 04:50:26 marka 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 - */ -#ifndef HAVE_DECL_RES_OPCODES -extern char *_res_opcodes[]; -#endif - -/* - * 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 = 0; - - /* - * Print header fields. - */ - hp = (const 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", p_rcode(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((const u_char*)cp); - cp += INT16SZ; - class = ns_get16((const 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"); -} - -static 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((const 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((const u_char*)cp)); - cp += INT16SZ; - fprintf(file,", preference = %u\n", ns_get16((const 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((const u_char*)cp)); - cp += INT16SZ; - fprintf(file,", weight = %u", ns_get16((const u_char*)cp)); - cp += INT16SZ; - fprintf(file,", port= %u\n", ns_get16((const u_char*)cp)); - cp += INT16SZ; - - fprintf(file,"\thost = "); - goto doname; - - case T_PX: - BOUNDS_CHECK(cp, INT16SZ); - fprintf(file,"\tpreference = %u",ns_get16((const 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((const u_char*)cp)); - cp += INT16SZ; - fprintf(file,", router = "); - goto doname; - - case T_AFSDB: - BOUNDS_CHECK(cp, INT16SZ); - fprintf(file,"\tsubtype = %d",ns_get16((const 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((const u_char*)cp)); - cp += INT32SZ; - ttl = ns_get32((const u_char*)cp); - fprintf(file,"\n\trefresh = %lu (%s)", ttl, p_time(ttl)); - cp += INT32SZ; - ttl = ns_get32((const u_char*)cp); - fprintf(file,"\n\tretry = %lu (%s)", ttl, p_time(ttl)); - cp += INT32SZ; - ttl = ns_get32((const u_char*)cp); - fprintf(file,"\n\texpire = %lu (%s)", ttl, p_time(ttl)); - cp += INT32SZ; - ttl = ns_get32((const 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. */ - char rrname[NS_MAXDNAME]; - - cp2 = p_fqnname(ocp, msg, NS_MAXCDNAME, rrname, sizeof rrname); - if (cp2 == NULL) { - fprintf(file, "(name truncated?)\n"); - return (NULL); /* compression error */ - } - - if (ns_sprintrrf(msg, eom - msg, rrname, (ns_class)class, - (ns_type)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); -} |
