diff options
Diffstat (limited to 'contrib/bind/lib/resolv/res_debug.c')
| -rw-r--r-- | contrib/bind/lib/resolv/res_debug.c | 1133 |
1 files changed, 0 insertions, 1133 deletions
diff --git a/contrib/bind/lib/resolv/res_debug.c b/contrib/bind/lib/resolv/res_debug.c deleted file mode 100644 index f2c0689f90f9..000000000000 --- a/contrib/bind/lib/resolv/res_debug.c +++ /dev/null @@ -1,1133 +0,0 @@ -/* - * Copyright (c) 1985 - * 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) 1995 by International Business Machines, Inc. - * - * International Business Machines, Inc. (hereinafter called IBM) grants - * permission under its copyrights to use, copy, modify, and distribute this - * Software with or without fee, provided that the above copyright notice and - * all paragraphs of this notice appear in all copies, and that the name of IBM - * not be used in connection with the marketing of any product incorporating - * the Software or modifications thereof, without specific, written prior - * permission. - * - * To the extent it has a right to do so, IBM grants an immunity from suit - * under its patents, if any, for the use, sale or manufacture of products to - * the extent that such products are used for performing Domain Name System - * dynamic updates in TCP/IP networks by means of the Software. No immunity is - * granted for any product per se or for any other function of any product. - * - * THE SOFTWARE IS PROVIDED "AS IS", AND IBM DISCLAIMS ALL WARRANTIES, - * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A - * PARTICULAR PURPOSE. IN NO EVENT SHALL IBM BE LIABLE FOR ANY SPECIAL, - * DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER ARISING - * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE, EVEN - * IF IBM IS APPRISED OF THE POSSIBILITY OF SUCH DAMAGES. - */ - -/* - * Portions Copyright (c) 1996-1999 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. - */ - -#if defined(LIBC_SCCS) && !defined(lint) -static const char sccsid[] = "@(#)res_debug.c 8.1 (Berkeley) 6/4/93"; -static const char rcsid[] = "$Id: res_debug.c,v 8.46 2002/05/21 01:57:45 marka Exp $"; -#endif /* LIBC_SCCS and not lint */ - -#include "port_before.h" - -#include <sys/types.h> -#include <sys/param.h> -#include <sys/socket.h> - -#include <netinet/in.h> -#include <arpa/inet.h> -#include <arpa/nameser.h> - -#include <ctype.h> -#include <errno.h> -#include <math.h> -#include <netdb.h> -#include <resolv.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <time.h> - -#include "port_after.h" - -#ifdef SPRINTF_CHAR -# define SPRINTF(x) strlen(sprintf/**/x) -#else -# define SPRINTF(x) sprintf x -#endif - -extern const char *_res_opcodes[]; -extern const char *_res_sectioncodes[]; - -/* - * Print the current options. - */ -void -fp_resstat(const res_state statp, FILE *file) { - u_long mask; - - fprintf(file, ";; res options:"); - for (mask = 1; mask != 0; mask <<= 1) - if (statp->options & mask) - fprintf(file, " %s", p_option(mask)); - putc('\n', file); -} - -static void -do_section(const res_state statp, - ns_msg *handle, ns_sect section, - int pflag, FILE *file) -{ - int n, sflag, rrnum; - static int buflen = 2048; - char *buf; - ns_opcode opcode; - ns_rr rr; - - /* - * Print answer records. - */ - sflag = (statp->pfcode & pflag); - if (statp->pfcode && !sflag) - return; - - buf = malloc(buflen); - if (buf == NULL) { - fprintf(file, ";; memory allocation failure\n"); - return; - } - - opcode = (ns_opcode) ns_msg_getflag(*handle, ns_f_opcode); - rrnum = 0; - for (;;) { - if (ns_parserr(handle, section, rrnum, &rr)) { - if (errno != ENODEV) - fprintf(file, ";; ns_parserr: %s\n", - strerror(errno)); - else if (rrnum > 0 && sflag != 0 && - (statp->pfcode & RES_PRF_HEAD1)) - putc('\n', file); - goto cleanup; - } - if (rrnum == 0 && sflag != 0 && (statp->pfcode & RES_PRF_HEAD1)) - fprintf(file, ";; %s SECTION:\n", - p_section(section, opcode)); - if (section == ns_s_qd) - fprintf(file, ";;\t%s, type = %s, class = %s\n", - ns_rr_name(rr), - p_type(ns_rr_type(rr)), - p_class(ns_rr_class(rr))); - else if (section == ns_s_ar && ns_rr_type(rr) == ns_t_opt) { - u_int32_t ttl = ns_rr_ttl(rr); - fprintf(file, - "; EDNS: version: %u, udp=%u, flags=%04x\n", - (ttl>>16)&0xff, ns_rr_class(rr), ttl&0xffff); - } else { - n = ns_sprintrr(handle, &rr, NULL, NULL, - buf, buflen); - if (n < 0) { - if (errno == ENOSPC) { - free(buf); - buf = NULL; - if (buflen < 131072) - buf = malloc(buflen += 1024); - if (buf == NULL) { - fprintf(file, - ";; memory allocation failure\n"); - return; - } - continue; - } - fprintf(file, ";; ns_sprintrr: %s\n", - strerror(errno)); - goto cleanup; - } - fputs(buf, file); - fputc('\n', file); - } - rrnum++; - } - cleanup: - if (buf != NULL) - free(buf); -} - -/* - * Print the contents of a query. - * This is intended to be primarily a debugging routine. - */ -void -res_pquery(const res_state statp, const u_char *msg, int len, FILE *file) { - ns_msg handle; - int qdcount, ancount, nscount, arcount; - u_int opcode, rcode, id; - - if (ns_initparse(msg, len, &handle) < 0) { - fprintf(file, ";; ns_initparse: %s\n", strerror(errno)); - return; - } - opcode = ns_msg_getflag(handle, ns_f_opcode); - rcode = ns_msg_getflag(handle, ns_f_rcode); - id = ns_msg_id(handle); - qdcount = ns_msg_count(handle, ns_s_qd); - ancount = ns_msg_count(handle, ns_s_an); - nscount = ns_msg_count(handle, ns_s_ns); - arcount = ns_msg_count(handle, ns_s_ar); - - /* - * Print header fields. - */ - if ((!statp->pfcode) || (statp->pfcode & RES_PRF_HEADX) || rcode) - fprintf(file, - ";; ->>HEADER<<- opcode: %s, status: %s, id: %d\n", - _res_opcodes[opcode], p_rcode(rcode), id); - if ((!statp->pfcode) || (statp->pfcode & RES_PRF_HEADX)) - putc(';', file); - if ((!statp->pfcode) || (statp->pfcode & RES_PRF_HEAD2)) { - fprintf(file, "; flags:"); - if (ns_msg_getflag(handle, ns_f_qr)) - fprintf(file, " qr"); - if (ns_msg_getflag(handle, ns_f_aa)) - fprintf(file, " aa"); - if (ns_msg_getflag(handle, ns_f_tc)) - fprintf(file, " tc"); - if (ns_msg_getflag(handle, ns_f_rd)) - fprintf(file, " rd"); - if (ns_msg_getflag(handle, ns_f_ra)) - fprintf(file, " ra"); - if (ns_msg_getflag(handle, ns_f_z)) - fprintf(file, " ??"); - if (ns_msg_getflag(handle, ns_f_ad)) - fprintf(file, " ad"); - if (ns_msg_getflag(handle, ns_f_cd)) - fprintf(file, " cd"); - } - if ((!statp->pfcode) || (statp->pfcode & RES_PRF_HEAD1)) { - fprintf(file, "; %s: %d", - p_section(ns_s_qd, opcode), qdcount); - fprintf(file, ", %s: %d", - p_section(ns_s_an, opcode), ancount); - fprintf(file, ", %s: %d", - p_section(ns_s_ns, opcode), nscount); - fprintf(file, ", %s: %d", - p_section(ns_s_ar, opcode), arcount); - } - if ((!statp->pfcode) || (statp->pfcode & - (RES_PRF_HEADX | RES_PRF_HEAD2 | RES_PRF_HEAD1))) { - putc('\n',file); - } - /* - * Print the various sections. - */ - do_section(statp, &handle, ns_s_qd, RES_PRF_QUES, file); - do_section(statp, &handle, ns_s_an, RES_PRF_ANS, file); - do_section(statp, &handle, ns_s_ns, RES_PRF_AUTH, file); - do_section(statp, &handle, ns_s_ar, RES_PRF_ADD, file); - if (qdcount == 0 && ancount == 0 && - nscount == 0 && arcount == 0) - putc('\n', file); -} - -const u_char * -p_cdnname(const u_char *cp, const u_char *msg, int len, FILE *file) { - char name[MAXDNAME]; - int n; - - if ((n = dn_expand(msg, msg + len, cp, name, sizeof name)) < 0) - return (NULL); - if (name[0] == '\0') - putc('.', file); - else - fputs(name, file); - return (cp + n); -} - -const u_char * -p_cdname(const u_char *cp, const u_char *msg, FILE *file) { - return (p_cdnname(cp, msg, PACKETSZ, file)); -} - -/* Return a fully-qualified domain name from a compressed name (with - length supplied). */ - -const u_char * -p_fqnname(cp, msg, msglen, name, namelen) - const u_char *cp, *msg; - int msglen; - char *name; - int namelen; -{ - int n, newlen; - - if ((n = dn_expand(msg, cp + msglen, cp, name, namelen)) < 0) - return (NULL); - newlen = strlen(name); - if (newlen == 0 || name[newlen - 1] != '.') { - if (newlen + 1 >= namelen) /* Lack space for final dot */ - return (NULL); - else - strcpy(name + newlen, "."); - } - return (cp + n); -} - -/* XXX: the rest of these functions need to become length-limited, too. */ - -const u_char * -p_fqname(const u_char *cp, const u_char *msg, FILE *file) { - char name[MAXDNAME]; - const u_char *n; - - n = p_fqnname(cp, msg, MAXCDNAME, name, sizeof name); - if (n == NULL) - return (NULL); - fputs(name, file); - return (n); -} - -/* - * Names of RR classes and qclasses. Classes and qclasses are the same, except - * that C_ANY is a qclass but not a class. (You can ask for records of class - * C_ANY, but you can't have any records of that class in the database.) - */ -const struct res_sym __p_class_syms[] = { - {C_IN, "IN", (char *)0}, - {C_CHAOS, "CHAOS", (char *)0}, - {C_HS, "HS", (char *)0}, - {C_HS, "HESIOD", (char *)0}, - {C_ANY, "ANY", (char *)0}, - {C_NONE, "NONE", (char *)0}, - {C_IN, (char *)0, (char *)0} -}; - -/* - * Names of message sections. - */ -const struct res_sym __p_default_section_syms[] = { - {ns_s_qd, "QUERY", (char *)0}, - {ns_s_an, "ANSWER", (char *)0}, - {ns_s_ns, "AUTHORITY", (char *)0}, - {ns_s_ar, "ADDITIONAL", (char *)0}, - {0, (char *)0, (char *)0} -}; - -const struct res_sym __p_update_section_syms[] = { - {S_ZONE, "ZONE", (char *)0}, - {S_PREREQ, "PREREQUISITE", (char *)0}, - {S_UPDATE, "UPDATE", (char *)0}, - {S_ADDT, "ADDITIONAL", (char *)0}, - {0, (char *)0, (char *)0} -}; - -const struct res_sym __p_key_syms[] = { - {NS_ALG_MD5RSA, "RSA", "RSA KEY with MD5 hash"}, - {NS_ALG_DH, "DH", "Diffie Hellman"}, - {NS_ALG_DSA, "DSA", "Digital Signature Algorithm"}, - {NS_ALG_EXPIRE_ONLY, "EXPIREONLY", "No algorithm"}, - {NS_ALG_PRIVATE_OID, "PRIVATE", "Algorithm obtained from OID"}, - {0, NULL, NULL} -}; - -const struct res_sym __p_cert_syms[] = { - {cert_t_pkix, "PKIX", "PKIX (X.509v3) Certificate"}, - {cert_t_spki, "SPKI", "SPKI certificate"}, - {cert_t_pgp, "PGP", "PGP certificate"}, - {cert_t_url, "URL", "URL Private"}, - {cert_t_oid, "OID", "OID Private"}, - {0, NULL, NULL} -}; - -/* - * Names of RR types and qtypes. Types and qtypes are the same, except - * that T_ANY is a qtype but not a type. (You can ask for records of type - * T_ANY, but you can't have any records of that type in the database.) - */ -const struct res_sym __p_type_syms[] = { - {ns_t_a, "A", "address"}, - {ns_t_ns, "NS", "name server"}, - {ns_t_md, "MD", "mail destination (deprecated)"}, - {ns_t_mf, "MF", "mail forwarder (deprecated)"}, - {ns_t_cname, "CNAME", "canonical name"}, - {ns_t_soa, "SOA", "start of authority"}, - {ns_t_mb, "MB", "mailbox"}, - {ns_t_mg, "MG", "mail group member"}, - {ns_t_mr, "MR", "mail rename"}, - {ns_t_null, "NULL", "null"}, - {ns_t_wks, "WKS", "well-known service (deprecated)"}, - {ns_t_ptr, "PTR", "domain name pointer"}, - {ns_t_hinfo, "HINFO", "host information"}, - {ns_t_minfo, "MINFO", "mailbox information"}, - {ns_t_mx, "MX", "mail exchanger"}, - {ns_t_txt, "TXT", "text"}, - {ns_t_rp, "RP", "responsible person"}, - {ns_t_afsdb, "AFSDB", "DCE or AFS server"}, - {ns_t_x25, "X25", "X25 address"}, - {ns_t_isdn, "ISDN", "ISDN address"}, - {ns_t_rt, "RT", "router"}, - {ns_t_nsap, "NSAP", "nsap address"}, - {ns_t_nsap_ptr, "NSAP_PTR", "domain name pointer"}, - {ns_t_sig, "SIG", "signature"}, - {ns_t_key, "KEY", "key"}, - {ns_t_px, "PX", "mapping information"}, - {ns_t_gpos, "GPOS", "geographical position (withdrawn)"}, - {ns_t_aaaa, "AAAA", "IPv6 address"}, - {ns_t_loc, "LOC", "location"}, - {ns_t_nxt, "NXT", "next valid name (unimplemented)"}, - {ns_t_eid, "EID", "endpoint identifier (unimplemented)"}, - {ns_t_nimloc, "NIMLOC", "NIMROD locator (unimplemented)"}, - {ns_t_srv, "SRV", "server selection"}, - {ns_t_atma, "ATMA", "ATM address (unimplemented)"}, - {ns_t_tkey, "TKEY", "tkey"}, - {ns_t_tsig, "TSIG", "transaction signature"}, - {ns_t_ixfr, "IXFR", "incremental zone transfer"}, - {ns_t_axfr, "AXFR", "zone transfer"}, - {ns_t_zxfr, "ZXFR", "compressed zone transfer"}, - {ns_t_mailb, "MAILB", "mailbox-related data (deprecated)"}, - {ns_t_maila, "MAILA", "mail agent (deprecated)"}, - {ns_t_naptr, "NAPTR", "URN Naming Authority"}, - {ns_t_kx, "KX", "Key Exchange"}, - {ns_t_cert, "CERT", "Certificate"}, - {ns_t_a6, "A6", "IPv6 Address"}, - {ns_t_dname, "DNAME", "dname"}, - {ns_t_sink, "SINK", "Kitchen Sink (experimental)"}, - {ns_t_opt, "OPT", "EDNS Options"}, - {ns_t_any, "ANY", "\"any\""}, - {0, NULL, NULL} -}; - -/* - * Names of DNS rcodes. - */ -const struct res_sym __p_rcode_syms[] = { - {ns_r_noerror, "NOERROR", "no error"}, - {ns_r_formerr, "FORMERR", "format error"}, - {ns_r_servfail, "SERVFAIL", "server failed"}, - {ns_r_nxdomain, "NXDOMAIN", "no such domain name"}, - {ns_r_notimpl, "NOTIMP", "not implemented"}, - {ns_r_refused, "REFUSED", "refused"}, - {ns_r_yxdomain, "YXDOMAIN", "domain name exists"}, - {ns_r_yxrrset, "YXRRSET", "rrset exists"}, - {ns_r_nxrrset, "NXRRSET", "rrset doesn't exist"}, - {ns_r_notauth, "NOTAUTH", "not authoritative"}, - {ns_r_notzone, "NOTZONE", "Not in zone"}, - {ns_r_max, "", ""}, - {ns_r_badsig, "BADSIG", "bad signature"}, - {ns_r_badkey, "BADKEY", "bad key"}, - {ns_r_badtime, "BADTIME", "bad time"}, - {0, NULL, NULL} -}; - -int -sym_ston(const struct res_sym *syms, const char *name, int *success) { - for ((void)NULL; syms->name != 0; syms++) { - if (strcasecmp (name, syms->name) == 0) { - if (success) - *success = 1; - return (syms->number); - } - } - if (success) - *success = 0; - return (syms->number); /* The default value. */ -} - -const char * -sym_ntos(const struct res_sym *syms, int number, int *success) { - static char unname[20]; - - for ((void)NULL; syms->name != 0; syms++) { - if (number == syms->number) { - if (success) - *success = 1; - return (syms->name); - } - } - - sprintf(unname, "%d", number); /* XXX nonreentrant */ - if (success) - *success = 0; - return (unname); -} - -const char * -sym_ntop(const struct res_sym *syms, int number, int *success) { - static char unname[20]; - - for ((void)NULL; syms->name != 0; syms++) { - if (number == syms->number) { - if (success) - *success = 1; - return (syms->humanname); - } - } - sprintf(unname, "%d", number); /* XXX nonreentrant */ - if (success) - *success = 0; - return (unname); -} - -/* - * Return a string for the type. - */ -const char * -p_type(int type) { - int success; - const char *result; - static char typebuf[20]; - - result = sym_ntos(__p_type_syms, type, &success); - if (success) - return (result); - if (type < 0 || type > 0xfff) - return ("BADTYPE"); - sprintf(typebuf, "TYPE%d", type); - return (typebuf); -} - -/* - * Return a string for the type. - */ -const char * -p_section(int section, int opcode) { - const struct res_sym *symbols; - - switch (opcode) { - case ns_o_update: - symbols = __p_update_section_syms; - break; - default: - symbols = __p_default_section_syms; - break; - } - return (sym_ntos(symbols, section, (int *)0)); -} - -/* - * Return a mnemonic for class. - */ -const char * -p_class(int class) { - int success; - const char *result; - static char classbuf[20]; - - result = sym_ntos(__p_class_syms, class, &success); - if (success) - return (result); - if (class < 0 || class > 0xfff) - return ("BADCLASS"); - sprintf(classbuf, "CLASS%d", class); - return (classbuf); -} - -/* - * Return a mnemonic for an option - */ -const char * -p_option(u_long option) { - static char nbuf[40]; - - switch (option) { - case RES_INIT: return "init"; - case RES_DEBUG: return "debug"; - case RES_AAONLY: return "aaonly(unimpl)"; - case RES_USEVC: return "usevc"; - case RES_PRIMARY: return "primry(unimpl)"; - case RES_IGNTC: return "igntc"; - case RES_RECURSE: return "recurs"; - case RES_DEFNAMES: return "defnam"; - case RES_STAYOPEN: return "styopn"; - case RES_DNSRCH: return "dnsrch"; - case RES_INSECURE1: return "insecure1"; - case RES_INSECURE2: return "insecure2"; - case RES_NOALIASES: return "noaliases"; - case RES_USE_INET6: return "inet6"; -#ifdef RES_USE_EDNS0 /* KAME extension */ - case RES_USE_EDNS0: return "edns0"; -#endif -#ifdef RES_USE_A6 - case RES_USE_A6: return "a6"; -#endif -#ifdef RES_USE_DNAME - case RES_USE_DNAME: return "dname"; -#endif -#ifdef RES_USE_DNSSEC - case RES_USE_DNSSEC: return "dnssec"; -#endif -#ifdef RES_NOTLDQUERY - case RES_NOTLDQUERY: return "no-tld-query"; -#endif - - /* XXX nonreentrant */ - default: sprintf(nbuf, "?0x%lx?", (u_long)option); - return (nbuf); - } -} - -/* - * Return a mnemonic for a time to live. - */ -const char * -p_time(u_int32_t value) { - static char nbuf[40]; /* XXX nonreentrant */ - - if (ns_format_ttl(value, nbuf, sizeof nbuf) < 0) - sprintf(nbuf, "%u", value); - return (nbuf); -} - -/* - * Return a string for the rcode. - */ -const char * -p_rcode(int rcode) { - return (sym_ntos(__p_rcode_syms, rcode, (int *)0)); -} - -/* - * routines to convert between on-the-wire RR format and zone file format. - * Does not contain conversion to/from decimal degrees; divide or multiply - * by 60*60*1000 for that. - */ - -static unsigned int poweroften[10] = {1, 10, 100, 1000, 10000, 100000, - 1000000,10000000,100000000,1000000000}; - -/* takes an XeY precision/size value, returns a string representation. */ -static const char * -precsize_ntoa(prec) - u_int8_t prec; -{ - static char retbuf[sizeof "90000000.00"]; /* XXX nonreentrant */ - unsigned long val; - int mantissa, exponent; - - mantissa = (int)((prec >> 4) & 0x0f) % 10; - exponent = (int)((prec >> 0) & 0x0f) % 10; - - val = mantissa * poweroften[exponent]; - - (void) sprintf(retbuf, "%lu.%.2lu", val/100, val%100); - return (retbuf); -} - -/* converts ascii size/precision X * 10**Y(cm) to 0xXY. moves pointer. */ -static u_int8_t -precsize_aton(const char **strptr) { - unsigned int mval = 0, cmval = 0; - u_int8_t retval = 0; - const char *cp; - int exponent; - int mantissa; - - cp = *strptr; - - while (isdigit((unsigned char)*cp)) - mval = mval * 10 + (*cp++ - '0'); - - if (*cp == '.') { /* centimeters */ - cp++; - if (isdigit((unsigned char)*cp)) { - cmval = (*cp++ - '0') * 10; - if (isdigit((unsigned char)*cp)) { - cmval += (*cp++ - '0'); - } - } - } - cmval = (mval * 100) + cmval; - - for (exponent = 0; exponent < 9; exponent++) - if (cmval < poweroften[exponent+1]) - break; - - mantissa = cmval / poweroften[exponent]; - if (mantissa > 9) - mantissa = 9; - - retval = (mantissa << 4) | exponent; - - *strptr = cp; - - return (retval); -} - -/* converts ascii lat/lon to unsigned encoded 32-bit number. moves pointer. */ -static u_int32_t -latlon2ul(const char **latlonstrptr, int *which) { - const char *cp; - u_int32_t retval; - int deg = 0, min = 0, secs = 0, secsfrac = 0; - - cp = *latlonstrptr; - - while (isdigit((unsigned char)*cp)) - deg = deg * 10 + (*cp++ - '0'); - - while (isspace((unsigned char)*cp)) - cp++; - - if (!(isdigit((unsigned char)*cp))) - goto fndhemi; - - while (isdigit((unsigned char)*cp)) - min = min * 10 + (*cp++ - '0'); - - while (isspace((unsigned char)*cp)) - cp++; - - if (!(isdigit((unsigned char)*cp))) - goto fndhemi; - - while (isdigit((unsigned char)*cp)) - secs = secs * 10 + (*cp++ - '0'); - - if (*cp == '.') { /* decimal seconds */ - cp++; - if (isdigit((unsigned char)*cp)) { - secsfrac = (*cp++ - '0') * 100; - if (isdigit((unsigned char)*cp)) { - secsfrac += (*cp++ - '0') * 10; - if (isdigit((unsigned char)*cp)) { - secsfrac += (*cp++ - '0'); - } - } - } - } - - while (!isspace((unsigned char)*cp)) /* if any trailing garbage */ - cp++; - - while (isspace((unsigned char)*cp)) - cp++; - - fndhemi: - switch (*cp) { - case 'N': case 'n': - case 'E': case 'e': - retval = ((unsigned)1<<31) - + (((((deg * 60) + min) * 60) + secs) * 1000) - + secsfrac; - break; - case 'S': case 's': - case 'W': case 'w': - retval = ((unsigned)1<<31) - - (((((deg * 60) + min) * 60) + secs) * 1000) - - secsfrac; - break; - default: - retval = 0; /* invalid value -- indicates error */ - break; - } - - switch (*cp) { - case 'N': case 'n': - case 'S': case 's': - *which = 1; /* latitude */ - break; - case 'E': case 'e': - case 'W': case 'w': - *which = 2; /* longitude */ - break; - default: - *which = 0; /* error */ - break; - } - - cp++; /* skip the hemisphere */ - - while (!isspace((unsigned char)*cp)) /* if any trailing garbage */ - cp++; - - while (isspace((unsigned char)*cp)) /* move to next field */ - cp++; - - *latlonstrptr = cp; - - return (retval); -} - -/* converts a zone file representation in a string to an RDATA on-the-wire - * representation. */ -int -loc_aton(ascii, binary) - const char *ascii; - u_char *binary; -{ - const char *cp, *maxcp; - u_char *bcp; - - u_int32_t latit = 0, longit = 0, alt = 0; - u_int32_t lltemp1 = 0, lltemp2 = 0; - int altmeters = 0, altfrac = 0, altsign = 1; - u_int8_t hp = 0x16; /* default = 1e6 cm = 10000.00m = 10km */ - u_int8_t vp = 0x13; /* default = 1e3 cm = 10.00m */ - u_int8_t siz = 0x12; /* default = 1e2 cm = 1.00m */ - int which1 = 0, which2 = 0; - - cp = ascii; - maxcp = cp + strlen(ascii); - - lltemp1 = latlon2ul(&cp, &which1); - - lltemp2 = latlon2ul(&cp, &which2); - - switch (which1 + which2) { - case 3: /* 1 + 2, the only valid combination */ - if ((which1 == 1) && (which2 == 2)) { /* normal case */ - latit = lltemp1; - longit = lltemp2; - } else if ((which1 == 2) && (which2 == 1)) { /* reversed */ - longit = lltemp1; - latit = lltemp2; - } else { /* some kind of brokenness */ - return (0); - } - break; - default: /* we didn't get one of each */ - return (0); - } - - /* altitude */ - if (*cp == '-') { - altsign = -1; - cp++; - } - - if (*cp == '+') - cp++; - - while (isdigit((unsigned char)*cp)) - altmeters = altmeters * 10 + (*cp++ - '0'); - - if (*cp == '.') { /* decimal meters */ - cp++; - if (isdigit((unsigned char)*cp)) { - altfrac = (*cp++ - '0') * 10; - if (isdigit((unsigned char)*cp)) { - altfrac += (*cp++ - '0'); - } - } - } - - alt = (10000000 + (altsign * (altmeters * 100 + altfrac))); - - while (!isspace((unsigned char)*cp) && (cp < maxcp)) /* if trailing garbage or m */ - cp++; - - while (isspace((unsigned char)*cp) && (cp < maxcp)) - cp++; - - if (cp >= maxcp) - goto defaults; - - siz = precsize_aton(&cp); - - while (!isspace((unsigned char)*cp) && (cp < maxcp)) /* if trailing garbage or m */ - cp++; - - while (isspace((unsigned char)*cp) && (cp < maxcp)) - cp++; - - if (cp >= maxcp) - goto defaults; - - hp = precsize_aton(&cp); - - while (!isspace((unsigned char)*cp) && (cp < maxcp)) /* if trailing garbage or m */ - cp++; - - while (isspace((unsigned char)*cp) && (cp < maxcp)) - cp++; - - if (cp >= maxcp) - goto defaults; - - vp = precsize_aton(&cp); - - defaults: - - bcp = binary; - *bcp++ = (u_int8_t) 0; /* version byte */ - *bcp++ = siz; - *bcp++ = hp; - *bcp++ = vp; - PUTLONG(latit,bcp); - PUTLONG(longit,bcp); - PUTLONG(alt,bcp); - - return (16); /* size of RR in octets */ -} - -/* takes an on-the-wire LOC RR and formats it in a human readable format. */ -const char * -loc_ntoa(binary, ascii) - const u_char *binary; - char *ascii; -{ - static const char *error = "?"; - static char tmpbuf[sizeof -"1000 60 60.000 N 1000 60 60.000 W -12345678.00m 90000000.00m 90000000.00m 90000000.00m"]; - const u_char *cp = binary; - - int latdeg, latmin, latsec, latsecfrac; - int longdeg, longmin, longsec, longsecfrac; - char northsouth, eastwest; - const char *altsign; - int altmeters, altfrac; - - const u_int32_t referencealt = 100000 * 100; - - int32_t latval, longval, altval; - u_int32_t templ; - u_int8_t sizeval, hpval, vpval, versionval; - - char *sizestr, *hpstr, *vpstr; - - versionval = *cp++; - - if (ascii == NULL) - ascii = tmpbuf; - - if (versionval) { - (void) sprintf(ascii, "; error: unknown LOC RR version"); - return (ascii); - } - - sizeval = *cp++; - - hpval = *cp++; - vpval = *cp++; - - GETLONG(templ, cp); - latval = (templ - ((unsigned)1<<31)); - - GETLONG(templ, cp); - longval = (templ - ((unsigned)1<<31)); - - GETLONG(templ, cp); - if (templ < referencealt) { /* below WGS 84 spheroid */ - altval = referencealt - templ; - altsign = "-"; - } else { - altval = templ - referencealt; - altsign = ""; - } - - if (latval < 0) { - northsouth = 'S'; - latval = -latval; - } else - northsouth = 'N'; - - latsecfrac = latval % 1000; - latval = latval / 1000; - latsec = latval % 60; - latval = latval / 60; - latmin = latval % 60; - latval = latval / 60; - latdeg = latval; - - if (longval < 0) { - eastwest = 'W'; - longval = -longval; - } else - eastwest = 'E'; - - longsecfrac = longval % 1000; - longval = longval / 1000; - longsec = longval % 60; - longval = longval / 60; - longmin = longval % 60; - longval = longval / 60; - longdeg = longval; - - altfrac = altval % 100; - altmeters = (altval / 100); - - sizestr = strdup(precsize_ntoa(sizeval)); - hpstr = strdup(precsize_ntoa(hpval)); - vpstr = strdup(precsize_ntoa(vpval)); - - sprintf(ascii, - "%d %.2d %.2d.%.3d %c %d %.2d %.2d.%.3d %c %s%d.%.2dm %sm %sm %sm", - latdeg, latmin, latsec, latsecfrac, northsouth, - longdeg, longmin, longsec, longsecfrac, eastwest, - altsign, altmeters, altfrac, - (sizestr != NULL) ? sizestr : error, - (hpstr != NULL) ? hpstr : error, - (vpstr != NULL) ? vpstr : error); - - if (sizestr != NULL) - free(sizestr); - if (hpstr != NULL) - free(hpstr); - if (vpstr != NULL) - free(vpstr); - - return (ascii); -} - - -/* Return the number of DNS hierarchy levels in the name. */ -int -dn_count_labels(const char *name) { - int i, len, count; - - len = strlen(name); - for (i = 0, count = 0; i < len; i++) { - /* XXX need to check for \. or use named's nlabels(). */ - if (name[i] == '.') - count++; - } - - /* don't count initial wildcard */ - if (name[0] == '*') - if (count) - count--; - - /* don't count the null label for root. */ - /* if terminating '.' not found, must adjust */ - /* count to include last label */ - if (len > 0 && name[len-1] != '.') - count++; - return (count); -} - - -/* - * Make dates expressed in seconds-since-Jan-1-1970 easy to read. - * SIG records are required to be printed like this, by the Secure DNS RFC. - */ -char * -p_secstodate (u_long secs) { - /* XXX nonreentrant */ - static char output[15]; /* YYYYMMDDHHMMSS and null */ - time_t clock = secs; - struct tm *time; - -#ifdef HAVE_TIME_R - gmtime_r(&clock, &time); -#else - time = gmtime(&clock); -#endif - time->tm_year += 1900; - time->tm_mon += 1; - sprintf(output, "%04d%02d%02d%02d%02d%02d", - time->tm_year, time->tm_mon, time->tm_mday, - time->tm_hour, time->tm_min, time->tm_sec); - return (output); -} - -u_int16_t -res_nametoclass(const char *buf, int *successp) { - unsigned long result; - char *endptr; - int success; - - result = sym_ston(__p_class_syms, buf, &success); - if (success) - goto done; - - if (strncasecmp(buf, "CLASS", 5) != 0 || - !isdigit((unsigned char)buf[5])) - goto done; - result = strtoul(buf + 5, &endptr, 10); - if (*endptr == '\0' && result <= 0xffff) - success = 1; - done: - if (successp) - *successp = success; - return (result); -} - -u_int16_t -res_nametotype(const char *buf, int *successp) { - unsigned long result; - char *endptr; - int success; - - result = sym_ston(__p_type_syms, buf, &success); - if (success) - goto done; - - if (strncasecmp(buf, "type", 4) != 0 || - !isdigit((unsigned char)buf[4])) - goto done; - result = strtoul(buf + 4, &endptr, 10); - if (*endptr == '\0' && result <= 0xffff) - success = 1; - done: - if (successp) - *successp = success; - return (result); -} |