Annotation of src/lib/libc/resolv/res_debug.c, Revision 1.10.14.1
1.10.14.1! riz 1: /* $NetBSD: res_debug.c,v 1.11 2009/04/12 17:07:17 christos Exp $ */
! 2:
! 3: /*
! 4: * Portions Copyright (C) 2004, 2005, 2008, 2009 Internet Systems Consortium, Inc. ("ISC")
! 5: * Portions Copyright (C) 1996-2003 Internet Software Consortium.
! 6: *
! 7: * Permission to use, copy, modify, and/or distribute this software for any
! 8: * purpose with or without fee is hereby granted, provided that the above
! 9: * copyright notice and this permission notice appear in all copies.
! 10: *
! 11: * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
! 12: * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
! 13: * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
! 14: * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
! 15: * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
! 16: * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
! 17: * PERFORMANCE OF THIS SOFTWARE.
! 18: */
1.1 christos 19:
20: /*
21: * Copyright (c) 1985
22: * The Regents of the University of California. All rights reserved.
1.10.14.1! riz 23: *
1.1 christos 24: * Redistribution and use in source and binary forms, with or without
25: * modification, are permitted provided that the following conditions
26: * are met:
27: * 1. Redistributions of source code must retain the above copyright
28: * notice, this list of conditions and the following disclaimer.
29: * 2. Redistributions in binary form must reproduce the above copyright
30: * notice, this list of conditions and the following disclaimer in the
31: * documentation and/or other materials provided with the distribution.
32: * 3. All advertising materials mentioning features or use of this software
33: * must display the following acknowledgement:
34: * This product includes software developed by the University of
35: * California, Berkeley and its contributors.
36: * 4. Neither the name of the University nor the names of its contributors
37: * may be used to endorse or promote products derived from this software
38: * without specific prior written permission.
1.10.14.1! riz 39: *
1.1 christos 40: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
41: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
44: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50: * SUCH DAMAGE.
51: */
52:
53: /*
54: * Portions Copyright (c) 1993 by Digital Equipment Corporation.
1.10.14.1! riz 55: *
1.1 christos 56: * Permission to use, copy, modify, and distribute this software for any
57: * purpose with or without fee is hereby granted, provided that the above
58: * copyright notice and this permission notice appear in all copies, and that
59: * the name of Digital Equipment Corporation not be used in advertising or
60: * publicity pertaining to distribution of the document or software without
61: * specific, written prior permission.
1.10.14.1! riz 62: *
1.1 christos 63: * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
64: * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
65: * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL DIGITAL EQUIPMENT
66: * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
67: * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
68: * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
69: * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
70: * SOFTWARE.
71: */
72:
73: /*
74: * Portions Copyright (c) 1995 by International Business Machines, Inc.
75: *
76: * International Business Machines, Inc. (hereinafter called IBM) grants
77: * permission under its copyrights to use, copy, modify, and distribute this
78: * Software with or without fee, provided that the above copyright notice and
79: * all paragraphs of this notice appear in all copies, and that the name of IBM
80: * not be used in connection with the marketing of any product incorporating
81: * the Software or modifications thereof, without specific, written prior
82: * permission.
83: *
84: * To the extent it has a right to do so, IBM grants an immunity from suit
85: * under its patents, if any, for the use, sale or manufacture of products to
86: * the extent that such products are used for performing Domain Name System
87: * dynamic updates in TCP/IP networks by means of the Software. No immunity is
88: * granted for any product per se or for any other function of any product.
89: *
90: * THE SOFTWARE IS PROVIDED "AS IS", AND IBM DISCLAIMS ALL WARRANTIES,
91: * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
92: * PARTICULAR PURPOSE. IN NO EVENT SHALL IBM BE LIABLE FOR ANY SPECIAL,
93: * DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER ARISING
94: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE, EVEN
95: * IF IBM IS APPRISED OF THE POSSIBILITY OF SUCH DAMAGES.
96: */
97:
1.4 christos 98: #include <sys/cdefs.h>
1.1 christos 99: #if defined(LIBC_SCCS) && !defined(lint)
1.4 christos 100: #ifdef notdef
1.1 christos 101: static const char sccsid[] = "@(#)res_debug.c 8.1 (Berkeley) 6/4/93";
1.10.14.1! riz 102: static const char rcsid[] = "Id: res_debug.c,v 1.19 2009/02/26 11:20:20 tbox Exp";
1.4 christos 103: #else
1.10.14.1! riz 104: __RCSID("$NetBSD: res_debug.c,v 1.11 2009/04/12 17:07:17 christos Exp $");
1.4 christos 105: #endif
1.1 christos 106: #endif /* LIBC_SCCS and not lint */
107:
108: #include "port_before.h"
109:
1.5 christos 110: #include "namespace.h"
1.1 christos 111: #include <sys/types.h>
112: #include <sys/param.h>
113: #include <sys/socket.h>
114:
115: #include <netinet/in.h>
116: #include <arpa/inet.h>
117: #include <arpa/nameser.h>
118:
119: #include <ctype.h>
120: #include <errno.h>
121: #include <math.h>
122: #include <netdb.h>
123: #include <resolv.h>
1.8 christos 124: #include <resolv_mt.h>
1.1 christos 125: #include <stdio.h>
126: #include <stdlib.h>
127: #include <string.h>
128: #include <time.h>
129:
130: #include "port_after.h"
131:
132: #ifdef SPRINTF_CHAR
133: # define SPRINTF(x) strlen(sprintf/**/x)
134: #else
135: # define SPRINTF(x) sprintf x
136: #endif
137:
138: extern const char *_res_opcodes[];
139: extern const char *_res_sectioncodes[];
140:
1.6 christos 141: #if 0
1.5 christos 142: #ifdef __weak_alias
143: __weak_alias(res_pquery,__res_pquery)
144: __weak_alias(res_nametoclass,__res_nametoclass)
145: __weak_alias(res_nametotype,__res_nametotype)
146: #endif
1.6 christos 147: #endif
1.5 christos 148:
149: #ifndef _LIBC
1.8 christos 150: /*%
1.1 christos 151: * Print the current options.
152: */
153: void
154: fp_resstat(const res_state statp, FILE *file) {
155: u_long mask;
156:
157: fprintf(file, ";; res options:");
158: for (mask = 1; mask != 0U; mask <<= 1)
159: if (statp->options & mask)
160: fprintf(file, " %s", p_option(mask));
161: putc('\n', file);
162: }
1.5 christos 163: #endif
1.1 christos 164:
165: static void
166: do_section(const res_state statp,
167: ns_msg *handle, ns_sect section,
168: int pflag, FILE *file)
169: {
170: int n, sflag, rrnum;
171: static int buflen = 2048;
172: char *buf;
173: ns_opcode opcode;
174: ns_rr rr;
175:
176: /*
177: * Print answer records.
178: */
179: sflag = (statp->pfcode & pflag);
180: if (statp->pfcode && !sflag)
181: return;
182:
1.2 christos 183: buf = malloc((size_t)buflen);
1.1 christos 184: if (buf == NULL) {
185: fprintf(file, ";; memory allocation failure\n");
186: return;
187: }
188:
189: opcode = (ns_opcode) ns_msg_getflag(*handle, ns_f_opcode);
190: rrnum = 0;
191: for (;;) {
192: if (ns_parserr(handle, section, rrnum, &rr)) {
193: if (errno != ENODEV)
194: fprintf(file, ";; ns_parserr: %s\n",
195: strerror(errno));
196: else if (rrnum > 0 && sflag != 0 &&
197: (statp->pfcode & RES_PRF_HEAD1))
198: putc('\n', file);
199: goto cleanup;
200: }
201: if (rrnum == 0 && sflag != 0 && (statp->pfcode & RES_PRF_HEAD1))
202: fprintf(file, ";; %s SECTION:\n",
203: p_section(section, opcode));
204: if (section == ns_s_qd)
205: fprintf(file, ";;\t%s, type = %s, class = %s\n",
206: ns_rr_name(rr),
207: p_type(ns_rr_type(rr)),
208: p_class(ns_rr_class(rr)));
209: else if (section == ns_s_ar && ns_rr_type(rr) == ns_t_opt) {
1.10 christos 210: u_int16_t optcode, optlen, rdatalen = ns_rr_rdlen(rr);
1.1 christos 211: u_int32_t ttl = ns_rr_ttl(rr);
1.10 christos 212:
1.1 christos 213: fprintf(file,
214: "; EDNS: version: %u, udp=%u, flags=%04x\n",
215: (ttl>>16)&0xff, ns_rr_class(rr), ttl&0xffff);
1.10 christos 216:
217: while (rdatalen >= 4) {
218: const u_char *cp = ns_rr_rdata(rr);
219: int i;
220:
221: GETSHORT(optcode, cp);
222: GETSHORT(optlen, cp);
223:
224: if (optcode == NS_OPT_NSID) {
225: fputs("; NSID: ", file);
226: if (optlen == 0) {
227: fputs("; NSID\n", file);
228: } else {
229: fputs("; NSID: ", file);
230: for (i = 0; i < optlen; i++)
231: fprintf(file, "%02x ",
232: cp[i]);
233: fputs(" (",file);
234: for (i = 0; i < optlen; i++)
235: fprintf(file, "%c",
236: isprint(cp[i])?
237: cp[i] : '.');
238: fputs(")\n", file);
239: }
240: } else {
241: if (optlen == 0) {
242: fprintf(file, "; OPT=%u\n",
243: optcode);
244: } else {
245: fprintf(file, "; OPT=%u: ",
246: optcode);
247: for (i = 0; i < optlen; i++)
248: fprintf(file, "%02x ",
249: cp[i]);
250: fputs(" (",file);
251: for (i = 0; i < optlen; i++)
252: fprintf(file, "%c",
253: isprint(cp[i]) ?
254: cp[i] : '.');
255: fputs(")\n", file);
256: }
257: }
258: rdatalen -= 4 + optlen;
259: }
1.1 christos 260: } else {
261: n = ns_sprintrr(handle, &rr, NULL, NULL,
1.2 christos 262: buf, (u_int)buflen);
1.1 christos 263: if (n < 0) {
264: if (errno == ENOSPC) {
265: free(buf);
266: buf = NULL;
267: if (buflen < 131072)
1.2 christos 268: buf = malloc((size_t)(buflen += 1024));
1.1 christos 269: if (buf == NULL) {
270: fprintf(file,
1.10.14.1! riz 271: ";; memory allocation failure\n");
1.1 christos 272: return;
273: }
274: continue;
275: }
276: fprintf(file, ";; ns_sprintrr: %s\n",
277: strerror(errno));
278: goto cleanup;
279: }
280: fputs(buf, file);
281: fputc('\n', file);
282: }
283: rrnum++;
284: }
285: cleanup:
286: if (buf != NULL)
287: free(buf);
288: }
289:
1.8 christos 290: /*%
1.1 christos 291: * Print the contents of a query.
292: * This is intended to be primarily a debugging routine.
293: */
294: void
295: res_pquery(const res_state statp, const u_char *msg, int len, FILE *file) {
296: ns_msg handle;
297: int qdcount, ancount, nscount, arcount;
298: u_int opcode, rcode, id;
299:
300: if (ns_initparse(msg, len, &handle) < 0) {
301: fprintf(file, ";; ns_initparse: %s\n", strerror(errno));
302: return;
303: }
304: opcode = ns_msg_getflag(handle, ns_f_opcode);
305: rcode = ns_msg_getflag(handle, ns_f_rcode);
306: id = ns_msg_id(handle);
307: qdcount = ns_msg_count(handle, ns_s_qd);
308: ancount = ns_msg_count(handle, ns_s_an);
309: nscount = ns_msg_count(handle, ns_s_ns);
310: arcount = ns_msg_count(handle, ns_s_ar);
311:
312: /*
313: * Print header fields.
314: */
315: if ((!statp->pfcode) || (statp->pfcode & RES_PRF_HEADX) || rcode)
316: fprintf(file,
317: ";; ->>HEADER<<- opcode: %s, status: %s, id: %d\n",
1.2 christos 318: _res_opcodes[opcode], p_rcode((int)rcode), id);
1.1 christos 319: if ((!statp->pfcode) || (statp->pfcode & RES_PRF_HEADX))
320: putc(';', file);
321: if ((!statp->pfcode) || (statp->pfcode & RES_PRF_HEAD2)) {
322: fprintf(file, "; flags:");
323: if (ns_msg_getflag(handle, ns_f_qr))
324: fprintf(file, " qr");
325: if (ns_msg_getflag(handle, ns_f_aa))
326: fprintf(file, " aa");
327: if (ns_msg_getflag(handle, ns_f_tc))
328: fprintf(file, " tc");
329: if (ns_msg_getflag(handle, ns_f_rd))
330: fprintf(file, " rd");
331: if (ns_msg_getflag(handle, ns_f_ra))
332: fprintf(file, " ra");
333: if (ns_msg_getflag(handle, ns_f_z))
334: fprintf(file, " ??");
335: if (ns_msg_getflag(handle, ns_f_ad))
336: fprintf(file, " ad");
337: if (ns_msg_getflag(handle, ns_f_cd))
338: fprintf(file, " cd");
339: }
340: if ((!statp->pfcode) || (statp->pfcode & RES_PRF_HEAD1)) {
341: fprintf(file, "; %s: %d",
1.2 christos 342: p_section(ns_s_qd, (int)opcode), qdcount);
1.1 christos 343: fprintf(file, ", %s: %d",
1.2 christos 344: p_section(ns_s_an, (int)opcode), ancount);
1.1 christos 345: fprintf(file, ", %s: %d",
1.2 christos 346: p_section(ns_s_ns, (int)opcode), nscount);
1.1 christos 347: fprintf(file, ", %s: %d",
1.2 christos 348: p_section(ns_s_ar, (int)opcode), arcount);
1.1 christos 349: }
1.10.14.1! riz 350: if ((!statp->pfcode) || (statp->pfcode &
1.1 christos 351: (RES_PRF_HEADX | RES_PRF_HEAD2 | RES_PRF_HEAD1))) {
352: putc('\n',file);
353: }
354: /*
355: * Print the various sections.
356: */
357: do_section(statp, &handle, ns_s_qd, RES_PRF_QUES, file);
358: do_section(statp, &handle, ns_s_an, RES_PRF_ANS, file);
359: do_section(statp, &handle, ns_s_ns, RES_PRF_AUTH, file);
360: do_section(statp, &handle, ns_s_ar, RES_PRF_ADD, file);
361: if (qdcount == 0 && ancount == 0 &&
362: nscount == 0 && arcount == 0)
363: putc('\n', file);
364: }
365:
366: const u_char *
367: p_cdnname(const u_char *cp, const u_char *msg, int len, FILE *file) {
368: char name[MAXDNAME];
369: int n;
370:
371: if ((n = dn_expand(msg, msg + len, cp, name, sizeof name)) < 0)
372: return (NULL);
373: if (name[0] == '\0')
374: putc('.', file);
375: else
376: fputs(name, file);
377: return (cp + n);
378: }
379:
380: const u_char *
381: p_cdname(const u_char *cp, const u_char *msg, FILE *file) {
382: return (p_cdnname(cp, msg, PACKETSZ, file));
383: }
384:
1.8 christos 385: /*%
386: * Return a fully-qualified domain name from a compressed name (with
1.1 christos 387: length supplied). */
388:
389: const u_char *
390: p_fqnname(cp, msg, msglen, name, namelen)
391: const u_char *cp, *msg;
392: int msglen;
393: char *name;
394: int namelen;
395: {
396: int n, newlen;
397:
398: if ((n = dn_expand(msg, cp + msglen, cp, name, namelen)) < 0)
399: return (NULL);
400: newlen = strlen(name);
401: if (newlen == 0 || name[newlen - 1] != '.') {
1.8 christos 402: if (newlen + 1 >= namelen) /*%< Lack space for final dot */
1.1 christos 403: return (NULL);
404: else
405: strcpy(name + newlen, ".");
406: }
407: return (cp + n);
408: }
409:
410: /* XXX: the rest of these functions need to become length-limited, too. */
411:
412: const u_char *
413: p_fqname(const u_char *cp, const u_char *msg, FILE *file) {
414: char name[MAXDNAME];
415: const u_char *n;
416:
417: n = p_fqnname(cp, msg, MAXCDNAME, name, sizeof name);
418: if (n == NULL)
419: return (NULL);
420: fputs(name, file);
421: return (n);
422: }
423:
1.8 christos 424: /*%
1.1 christos 425: * Names of RR classes and qclasses. Classes and qclasses are the same, except
426: * that C_ANY is a qclass but not a class. (You can ask for records of class
427: * C_ANY, but you can't have any records of that class in the database.)
428: */
429: const struct res_sym __p_class_syms[] = {
430: {C_IN, "IN", (char *)0},
431: {C_CHAOS, "CH", (char *)0},
432: {C_CHAOS, "CHAOS", (char *)0},
433: {C_HS, "HS", (char *)0},
434: {C_HS, "HESIOD", (char *)0},
435: {C_ANY, "ANY", (char *)0},
436: {C_NONE, "NONE", (char *)0},
437: {C_IN, (char *)0, (char *)0}
438: };
439:
1.8 christos 440: /*%
1.1 christos 441: * Names of message sections.
442: */
443: const struct res_sym __p_default_section_syms[] = {
444: {ns_s_qd, "QUERY", (char *)0},
445: {ns_s_an, "ANSWER", (char *)0},
446: {ns_s_ns, "AUTHORITY", (char *)0},
447: {ns_s_ar, "ADDITIONAL", (char *)0},
1.10.14.1! riz 448: {0, (char *)0, (char *)0}
1.1 christos 449: };
450:
451: const struct res_sym __p_update_section_syms[] = {
452: {S_ZONE, "ZONE", (char *)0},
453: {S_PREREQ, "PREREQUISITE", (char *)0},
454: {S_UPDATE, "UPDATE", (char *)0},
455: {S_ADDT, "ADDITIONAL", (char *)0},
1.10.14.1! riz 456: {0, (char *)0, (char *)0}
1.1 christos 457: };
458:
459: const struct res_sym __p_key_syms[] = {
460: {NS_ALG_MD5RSA, "RSA", "RSA KEY with MD5 hash"},
461: {NS_ALG_DH, "DH", "Diffie Hellman"},
462: {NS_ALG_DSA, "DSA", "Digital Signature Algorithm"},
463: {NS_ALG_EXPIRE_ONLY, "EXPIREONLY", "No algorithm"},
464: {NS_ALG_PRIVATE_OID, "PRIVATE", "Algorithm obtained from OID"},
465: {0, NULL, NULL}
466: };
467:
468: const struct res_sym __p_cert_syms[] = {
469: {cert_t_pkix, "PKIX", "PKIX (X.509v3) Certificate"},
470: {cert_t_spki, "SPKI", "SPKI certificate"},
471: {cert_t_pgp, "PGP", "PGP certificate"},
472: {cert_t_url, "URL", "URL Private"},
473: {cert_t_oid, "OID", "OID Private"},
474: {0, NULL, NULL}
475: };
476:
1.8 christos 477: /*%
1.1 christos 478: * Names of RR types and qtypes. Types and qtypes are the same, except
479: * that T_ANY is a qtype but not a type. (You can ask for records of type
480: * T_ANY, but you can't have any records of that type in the database.)
481: */
482: const struct res_sym __p_type_syms[] = {
483: {ns_t_a, "A", "address"},
484: {ns_t_ns, "NS", "name server"},
485: {ns_t_md, "MD", "mail destination (deprecated)"},
486: {ns_t_mf, "MF", "mail forwarder (deprecated)"},
487: {ns_t_cname, "CNAME", "canonical name"},
488: {ns_t_soa, "SOA", "start of authority"},
489: {ns_t_mb, "MB", "mailbox"},
490: {ns_t_mg, "MG", "mail group member"},
491: {ns_t_mr, "MR", "mail rename"},
492: {ns_t_null, "NULL", "null"},
493: {ns_t_wks, "WKS", "well-known service (deprecated)"},
494: {ns_t_ptr, "PTR", "domain name pointer"},
495: {ns_t_hinfo, "HINFO", "host information"},
496: {ns_t_minfo, "MINFO", "mailbox information"},
497: {ns_t_mx, "MX", "mail exchanger"},
498: {ns_t_txt, "TXT", "text"},
499: {ns_t_rp, "RP", "responsible person"},
500: {ns_t_afsdb, "AFSDB", "DCE or AFS server"},
501: {ns_t_x25, "X25", "X25 address"},
502: {ns_t_isdn, "ISDN", "ISDN address"},
503: {ns_t_rt, "RT", "router"},
504: {ns_t_nsap, "NSAP", "nsap address"},
505: {ns_t_nsap_ptr, "NSAP_PTR", "domain name pointer"},
506: {ns_t_sig, "SIG", "signature"},
507: {ns_t_key, "KEY", "key"},
508: {ns_t_px, "PX", "mapping information"},
509: {ns_t_gpos, "GPOS", "geographical position (withdrawn)"},
510: {ns_t_aaaa, "AAAA", "IPv6 address"},
511: {ns_t_loc, "LOC", "location"},
512: {ns_t_nxt, "NXT", "next valid name (unimplemented)"},
513: {ns_t_eid, "EID", "endpoint identifier (unimplemented)"},
514: {ns_t_nimloc, "NIMLOC", "NIMROD locator (unimplemented)"},
515: {ns_t_srv, "SRV", "server selection"},
516: {ns_t_atma, "ATMA", "ATM address (unimplemented)"},
1.10.14.1! riz 517: {ns_t_naptr, "NAPTR", "naptr"},
! 518: {ns_t_kx, "KX", "key exchange"},
! 519: {ns_t_cert, "CERT", "certificate"},
! 520: {ns_t_a6, "A", "IPv6 address (experminental)"},
! 521: {ns_t_dname, "DNAME", "non-terminal redirection"},
! 522: {ns_t_opt, "OPT", "opt"},
! 523: {ns_t_apl, "apl", "apl"},
! 524: {ns_t_ds, "DS", "delegation signer"},
! 525: {ns_t_sshfp, "SSFP", "SSH fingerprint"},
! 526: {ns_t_ipseckey, "IPSECKEY", "IPSEC key"},
! 527: {ns_t_rrsig, "RRSIG", "rrsig"},
! 528: {ns_t_nsec, "NSEC", "nsec"},
! 529: {ns_t_dnskey, "DNSKEY", "DNS key"},
! 530: {ns_t_dhcid, "DHCID", "dynamic host configuration identifier"},
! 531: {ns_t_nsec3, "NSEC3", "nsec3"},
! 532: {ns_t_nsec3param, "NSEC3PARAM", "NSEC3 parameters"},
! 533: {ns_t_hip, "HIP", "host identity protocol"},
! 534: {ns_t_spf, "SPF", "sender policy framework"},
1.1 christos 535: {ns_t_tkey, "TKEY", "tkey"},
536: {ns_t_tsig, "TSIG", "transaction signature"},
537: {ns_t_ixfr, "IXFR", "incremental zone transfer"},
538: {ns_t_axfr, "AXFR", "zone transfer"},
539: {ns_t_zxfr, "ZXFR", "compressed zone transfer"},
540: {ns_t_mailb, "MAILB", "mailbox-related data (deprecated)"},
541: {ns_t_maila, "MAILA", "mail agent (deprecated)"},
542: {ns_t_naptr, "NAPTR", "URN Naming Authority"},
543: {ns_t_kx, "KX", "Key Exchange"},
544: {ns_t_cert, "CERT", "Certificate"},
545: {ns_t_a6, "A6", "IPv6 Address"},
546: {ns_t_dname, "DNAME", "dname"},
547: {ns_t_sink, "SINK", "Kitchen Sink (experimental)"},
548: {ns_t_opt, "OPT", "EDNS Options"},
549: {ns_t_any, "ANY", "\"any\""},
1.10.14.1! riz 550: {ns_t_dlv, "DLV", "DNSSEC look-aside validation"},
1.1 christos 551: {0, NULL, NULL}
552: };
553:
1.8 christos 554: /*%
1.1 christos 555: * Names of DNS rcodes.
556: */
557: const struct res_sym __p_rcode_syms[] = {
558: {ns_r_noerror, "NOERROR", "no error"},
559: {ns_r_formerr, "FORMERR", "format error"},
560: {ns_r_servfail, "SERVFAIL", "server failed"},
561: {ns_r_nxdomain, "NXDOMAIN", "no such domain name"},
562: {ns_r_notimpl, "NOTIMP", "not implemented"},
563: {ns_r_refused, "REFUSED", "refused"},
564: {ns_r_yxdomain, "YXDOMAIN", "domain name exists"},
565: {ns_r_yxrrset, "YXRRSET", "rrset exists"},
566: {ns_r_nxrrset, "NXRRSET", "rrset doesn't exist"},
567: {ns_r_notauth, "NOTAUTH", "not authoritative"},
568: {ns_r_notzone, "NOTZONE", "Not in zone"},
569: {ns_r_max, "", ""},
570: {ns_r_badsig, "BADSIG", "bad signature"},
571: {ns_r_badkey, "BADKEY", "bad key"},
572: {ns_r_badtime, "BADTIME", "bad time"},
573: {0, NULL, NULL}
574: };
575:
576: int
577: sym_ston(const struct res_sym *syms, const char *name, int *success) {
1.3 christos 578: for (; syms->name != 0; syms++) {
1.1 christos 579: if (strcasecmp (name, syms->name) == 0) {
580: if (success)
581: *success = 1;
582: return (syms->number);
583: }
584: }
585: if (success)
586: *success = 0;
1.8 christos 587: return (syms->number); /*%< The default value. */
1.1 christos 588: }
589:
590: const char *
591: sym_ntos(const struct res_sym *syms, int number, int *success) {
1.8 christos 592: char *unname = sym_ntos_unname;
1.1 christos 593:
1.2 christos 594: for (; syms->name != 0; syms++) {
1.1 christos 595: if (number == syms->number) {
596: if (success)
597: *success = 1;
598: return (syms->name);
599: }
600: }
601:
1.8 christos 602: sprintf(unname, "%d", number); /*%< XXX nonreentrant */
1.1 christos 603: if (success)
604: *success = 0;
605: return (unname);
606: }
607:
608: const char *
609: sym_ntop(const struct res_sym *syms, int number, int *success) {
1.8 christos 610: char *unname = sym_ntop_unname;
1.1 christos 611:
1.2 christos 612: for (; syms->name != 0; syms++) {
1.1 christos 613: if (number == syms->number) {
614: if (success)
615: *success = 1;
616: return (syms->humanname);
617: }
618: }
1.8 christos 619: sprintf(unname, "%d", number); /*%< XXX nonreentrant */
1.1 christos 620: if (success)
621: *success = 0;
622: return (unname);
623: }
624:
1.8 christos 625: /*%
1.1 christos 626: * Return a string for the type.
627: */
628: const char *
629: p_type(int type) {
630: int success;
631: const char *result;
632: static char typebuf[20];
633:
634: result = sym_ntos(__p_type_syms, type, &success);
635: if (success)
636: return (result);
1.7 christos 637: if (type < 0 || type > 0xffff)
1.1 christos 638: return ("BADTYPE");
639: sprintf(typebuf, "TYPE%d", type);
640: return (typebuf);
641: }
642:
1.8 christos 643: /*%
1.1 christos 644: * Return a string for the type.
645: */
646: const char *
647: p_section(int section, int opcode) {
648: const struct res_sym *symbols;
649:
650: switch (opcode) {
651: case ns_o_update:
652: symbols = __p_update_section_syms;
653: break;
654: default:
655: symbols = __p_default_section_syms;
656: break;
657: }
658: return (sym_ntos(symbols, section, (int *)0));
659: }
660:
1.8 christos 661: /*%
1.1 christos 662: * Return a mnemonic for class.
663: */
664: const char *
665: p_class(int class) {
666: int success;
667: const char *result;
668: static char classbuf[20];
669:
670: result = sym_ntos(__p_class_syms, class, &success);
671: if (success)
672: return (result);
1.7 christos 673: if (class < 0 || class > 0xffff)
1.1 christos 674: return ("BADCLASS");
675: sprintf(classbuf, "CLASS%d", class);
676: return (classbuf);
677: }
678:
1.8 christos 679: /*%
1.1 christos 680: * Return a mnemonic for an option
681: */
682: const char *
683: p_option(u_long option) {
1.8 christos 684: char *nbuf = p_option_nbuf;
1.1 christos 685:
686: switch (option) {
687: case RES_INIT: return "init";
688: case RES_DEBUG: return "debug";
689: case RES_AAONLY: return "aaonly(unimpl)";
690: case RES_USEVC: return "usevc";
691: case RES_PRIMARY: return "primry(unimpl)";
692: case RES_IGNTC: return "igntc";
693: case RES_RECURSE: return "recurs";
694: case RES_DEFNAMES: return "defnam";
695: case RES_STAYOPEN: return "styopn";
696: case RES_DNSRCH: return "dnsrch";
697: case RES_INSECURE1: return "insecure1";
698: case RES_INSECURE2: return "insecure2";
699: case RES_NOALIASES: return "noaliases";
700: case RES_USE_INET6: return "inet6";
1.8 christos 701: #ifdef RES_USE_EDNS0 /*%< KAME extension */
1.1 christos 702: case RES_USE_EDNS0: return "edns0";
1.10 christos 703: case RES_NSID: return "nsid";
1.1 christos 704: #endif
705: #ifdef RES_USE_DNAME
706: case RES_USE_DNAME: return "dname";
707: #endif
708: #ifdef RES_USE_DNSSEC
709: case RES_USE_DNSSEC: return "dnssec";
710: #endif
711: #ifdef RES_NOTLDQUERY
712: case RES_NOTLDQUERY: return "no-tld-query";
713: #endif
714: #ifdef RES_NO_NIBBLE2
715: case RES_NO_NIBBLE2: return "no-nibble2";
716: #endif
717: /* XXX nonreentrant */
718: default: sprintf(nbuf, "?0x%lx?", (u_long)option);
719: return (nbuf);
720: }
721: }
722:
1.8 christos 723: /*%
1.1 christos 724: * Return a mnemonic for a time to live.
725: */
726: const char *
727: p_time(u_int32_t value) {
1.8 christos 728: char *nbuf = p_time_nbuf;
1.1 christos 729:
1.2 christos 730: if (ns_format_ttl((u_long)value, nbuf, sizeof nbuf) < 0)
1.1 christos 731: sprintf(nbuf, "%u", value);
732: return (nbuf);
733: }
734:
1.8 christos 735: /*%
1.1 christos 736: * Return a string for the rcode.
737: */
738: const char *
739: p_rcode(int rcode) {
740: return (sym_ntos(__p_rcode_syms, rcode, (int *)0));
741: }
742:
1.8 christos 743: /*%
1.1 christos 744: * Return a string for a res_sockaddr_union.
745: */
746: const char *
747: p_sockun(union res_sockaddr_union u, char *buf, size_t size) {
748: char ret[sizeof "ffff:ffff:ffff:ffff:ffff:ffff:123.123.123.123"];
749:
750: switch (u.sin.sin_family) {
751: case AF_INET:
752: inet_ntop(AF_INET, &u.sin.sin_addr, ret, sizeof ret);
753: break;
754: #ifdef HAS_INET6_STRUCTS
755: case AF_INET6:
756: inet_ntop(AF_INET6, &u.sin6.sin6_addr, ret, sizeof ret);
757: break;
758: #endif
759: default:
760: sprintf(ret, "[af%d]", u.sin.sin_family);
761: break;
762: }
763: if (size > 0U) {
764: strncpy(buf, ret, size - 1);
765: buf[size - 1] = '0';
766: }
767: return (buf);
768: }
769:
1.8 christos 770: /*%
1.1 christos 771: * routines to convert between on-the-wire RR format and zone file format.
772: * Does not contain conversion to/from decimal degrees; divide or multiply
773: * by 60*60*1000 for that.
774: */
775:
776: static unsigned int poweroften[10] = {1, 10, 100, 1000, 10000, 100000,
777: 1000000,10000000,100000000,1000000000};
778:
1.8 christos 779: /*% takes an XeY precision/size value, returns a string representation. */
1.1 christos 780: static const char *
1.10 christos 781: precsize_ntoa(u_int32_t prec)
1.1 christos 782: {
1.8 christos 783: char *retbuf = precsize_ntoa_retbuf;
1.1 christos 784: unsigned long val;
785: int mantissa, exponent;
786:
787: mantissa = (int)((prec >> 4) & 0x0f) % 10;
788: exponent = (int)((prec >> 0) & 0x0f) % 10;
789:
790: val = mantissa * poweroften[exponent];
791:
792: (void) sprintf(retbuf, "%lu.%.2lu", val/100, val%100);
793: return (retbuf);
794: }
795:
1.8 christos 796: /*% converts ascii size/precision X * 10**Y(cm) to 0xXY. moves pointer. */
1.1 christos 797: static u_int8_t
798: precsize_aton(const char **strptr) {
799: unsigned int mval = 0, cmval = 0;
800: u_int8_t retval = 0;
801: const char *cp;
802: int exponent;
803: int mantissa;
804:
805: cp = *strptr;
806:
807: while (isdigit((unsigned char)*cp))
808: mval = mval * 10 + (*cp++ - '0');
809:
1.8 christos 810: if (*cp == '.') { /*%< centimeters */
1.1 christos 811: cp++;
812: if (isdigit((unsigned char)*cp)) {
813: cmval = (*cp++ - '0') * 10;
814: if (isdigit((unsigned char)*cp)) {
815: cmval += (*cp++ - '0');
816: }
817: }
818: }
819: cmval = (mval * 100) + cmval;
820:
821: for (exponent = 0; exponent < 9; exponent++)
822: if (cmval < poweroften[exponent+1])
823: break;
824:
825: mantissa = cmval / poweroften[exponent];
826: if (mantissa > 9)
827: mantissa = 9;
828:
829: retval = (mantissa << 4) | exponent;
830:
831: *strptr = cp;
832:
833: return (retval);
834: }
835:
1.8 christos 836: /*% converts ascii lat/lon to unsigned encoded 32-bit number. moves pointer. */
1.1 christos 837: static u_int32_t
838: latlon2ul(const char **latlonstrptr, int *which) {
839: const char *cp;
840: u_int32_t retval;
841: int deg = 0, min = 0, secs = 0, secsfrac = 0;
842:
843: cp = *latlonstrptr;
844:
845: while (isdigit((unsigned char)*cp))
846: deg = deg * 10 + (*cp++ - '0');
847:
848: while (isspace((unsigned char)*cp))
849: cp++;
850:
851: if (!(isdigit((unsigned char)*cp)))
852: goto fndhemi;
853:
854: while (isdigit((unsigned char)*cp))
855: min = min * 10 + (*cp++ - '0');
856:
857: while (isspace((unsigned char)*cp))
858: cp++;
859:
860: if (!(isdigit((unsigned char)*cp)))
861: goto fndhemi;
862:
863: while (isdigit((unsigned char)*cp))
864: secs = secs * 10 + (*cp++ - '0');
865:
1.8 christos 866: if (*cp == '.') { /*%< decimal seconds */
1.1 christos 867: cp++;
868: if (isdigit((unsigned char)*cp)) {
869: secsfrac = (*cp++ - '0') * 100;
870: if (isdigit((unsigned char)*cp)) {
871: secsfrac += (*cp++ - '0') * 10;
872: if (isdigit((unsigned char)*cp)) {
873: secsfrac += (*cp++ - '0');
874: }
875: }
876: }
877: }
878:
1.8 christos 879: while (!isspace((unsigned char)*cp)) /*%< if any trailing garbage */
1.1 christos 880: cp++;
881:
882: while (isspace((unsigned char)*cp))
883: cp++;
884:
885: fndhemi:
886: switch (*cp) {
887: case 'N': case 'n':
888: case 'E': case 'e':
889: retval = ((unsigned)1<<31)
890: + (((((deg * 60) + min) * 60) + secs) * 1000)
891: + secsfrac;
892: break;
893: case 'S': case 's':
894: case 'W': case 'w':
895: retval = ((unsigned)1<<31)
896: - (((((deg * 60) + min) * 60) + secs) * 1000)
897: - secsfrac;
898: break;
899: default:
1.8 christos 900: retval = 0; /*%< invalid value -- indicates error */
1.1 christos 901: break;
902: }
903:
904: switch (*cp) {
905: case 'N': case 'n':
906: case 'S': case 's':
1.8 christos 907: *which = 1; /*%< latitude */
1.1 christos 908: break;
909: case 'E': case 'e':
910: case 'W': case 'w':
1.8 christos 911: *which = 2; /*%< longitude */
1.1 christos 912: break;
913: default:
1.8 christos 914: *which = 0; /*%< error */
1.1 christos 915: break;
916: }
917:
1.8 christos 918: cp++; /*%< skip the hemisphere */
919: while (!isspace((unsigned char)*cp)) /*%< if any trailing garbage */
1.1 christos 920: cp++;
921:
1.8 christos 922: while (isspace((unsigned char)*cp)) /*%< move to next field */
1.1 christos 923: cp++;
924:
925: *latlonstrptr = cp;
926:
927: return (retval);
928: }
929:
1.8 christos 930: /*%
931: * converts a zone file representation in a string to an RDATA on-the-wire
1.1 christos 932: * representation. */
933: int
934: loc_aton(ascii, binary)
935: const char *ascii;
936: u_char *binary;
937: {
938: const char *cp, *maxcp;
939: u_char *bcp;
940:
941: u_int32_t latit = 0, longit = 0, alt = 0;
942: u_int32_t lltemp1 = 0, lltemp2 = 0;
943: int altmeters = 0, altfrac = 0, altsign = 1;
1.8 christos 944: u_int8_t hp = 0x16; /*%< default = 1e6 cm = 10000.00m = 10km */
945: u_int8_t vp = 0x13; /*%< default = 1e3 cm = 10.00m */
946: u_int8_t siz = 0x12; /*%< default = 1e2 cm = 1.00m */
1.1 christos 947: int which1 = 0, which2 = 0;
948:
949: cp = ascii;
950: maxcp = cp + strlen(ascii);
951:
952: lltemp1 = latlon2ul(&cp, &which1);
953:
954: lltemp2 = latlon2ul(&cp, &which2);
955:
956: switch (which1 + which2) {
1.8 christos 957: case 3: /*%< 1 + 2, the only valid combination */
958: if ((which1 == 1) && (which2 == 2)) { /*%< normal case */
1.1 christos 959: latit = lltemp1;
960: longit = lltemp2;
1.8 christos 961: } else if ((which1 == 2) && (which2 == 1)) { /*%< reversed */
1.1 christos 962: longit = lltemp1;
963: latit = lltemp2;
1.8 christos 964: } else { /*%< some kind of brokenness */
1.1 christos 965: return (0);
966: }
967: break;
1.8 christos 968: default: /*%< we didn't get one of each */
1.1 christos 969: return (0);
970: }
971:
972: /* altitude */
973: if (*cp == '-') {
974: altsign = -1;
975: cp++;
976: }
1.10.14.1! riz 977:
1.1 christos 978: if (*cp == '+')
979: cp++;
980:
981: while (isdigit((unsigned char)*cp))
982: altmeters = altmeters * 10 + (*cp++ - '0');
983:
1.8 christos 984: if (*cp == '.') { /*%< decimal meters */
1.1 christos 985: cp++;
986: if (isdigit((unsigned char)*cp)) {
987: altfrac = (*cp++ - '0') * 10;
988: if (isdigit((unsigned char)*cp)) {
989: altfrac += (*cp++ - '0');
990: }
991: }
992: }
993:
994: alt = (10000000 + (altsign * (altmeters * 100 + altfrac)));
995:
1.8 christos 996: while (!isspace((unsigned char)*cp) && (cp < maxcp)) /*%< if trailing garbage or m */
1.1 christos 997: cp++;
998:
999: while (isspace((unsigned char)*cp) && (cp < maxcp))
1000: cp++;
1001:
1002: if (cp >= maxcp)
1003: goto defaults;
1004:
1005: siz = precsize_aton(&cp);
1.10.14.1! riz 1006:
1.8 christos 1007: while (!isspace((unsigned char)*cp) && (cp < maxcp)) /*%< if trailing garbage or m */
1.1 christos 1008: cp++;
1009:
1010: while (isspace((unsigned char)*cp) && (cp < maxcp))
1011: cp++;
1012:
1013: if (cp >= maxcp)
1014: goto defaults;
1015:
1016: hp = precsize_aton(&cp);
1017:
1.8 christos 1018: while (!isspace((unsigned char)*cp) && (cp < maxcp)) /*%< if trailing garbage or m */
1.1 christos 1019: cp++;
1020:
1021: while (isspace((unsigned char)*cp) && (cp < maxcp))
1022: cp++;
1023:
1024: if (cp >= maxcp)
1025: goto defaults;
1026:
1027: vp = precsize_aton(&cp);
1028:
1029: defaults:
1030:
1031: bcp = binary;
1.8 christos 1032: *bcp++ = (u_int8_t) 0; /*%< version byte */
1.1 christos 1033: *bcp++ = siz;
1034: *bcp++ = hp;
1035: *bcp++ = vp;
1036: PUTLONG(latit,bcp);
1037: PUTLONG(longit,bcp);
1038: PUTLONG(alt,bcp);
1.10.14.1! riz 1039:
1.8 christos 1040: return (16); /*%< size of RR in octets */
1.1 christos 1041: }
1042:
1.8 christos 1043: /*% takes an on-the-wire LOC RR and formats it in a human readable format. */
1.1 christos 1044: const char *
1045: loc_ntoa(binary, ascii)
1046: const u_char *binary;
1047: char *ascii;
1048: {
1049: static const char *error = "?";
1050: static char tmpbuf[sizeof
1051: "1000 60 60.000 N 1000 60 60.000 W -12345678.00m 90000000.00m 90000000.00m 90000000.00m"];
1052: const u_char *cp = binary;
1053:
1054: int latdeg, latmin, latsec, latsecfrac;
1055: int longdeg, longmin, longsec, longsecfrac;
1056: char northsouth, eastwest;
1057: const char *altsign;
1058: int altmeters, altfrac;
1059:
1060: const u_int32_t referencealt = 100000 * 100;
1061:
1062: int32_t latval, longval, altval;
1063: u_int32_t templ;
1064: u_int8_t sizeval, hpval, vpval, versionval;
1.10.14.1! riz 1065:
1.1 christos 1066: char *sizestr, *hpstr, *vpstr;
1067:
1068: versionval = *cp++;
1069:
1070: if (ascii == NULL)
1071: ascii = tmpbuf;
1072:
1073: if (versionval) {
1074: (void) sprintf(ascii, "; error: unknown LOC RR version");
1075: return (ascii);
1076: }
1077:
1078: sizeval = *cp++;
1079:
1080: hpval = *cp++;
1081: vpval = *cp++;
1082:
1083: GETLONG(templ, cp);
1084: latval = (templ - ((unsigned)1<<31));
1085:
1086: GETLONG(templ, cp);
1087: longval = (templ - ((unsigned)1<<31));
1088:
1089: GETLONG(templ, cp);
1.8 christos 1090: if (templ < referencealt) { /*%< below WGS 84 spheroid */
1.1 christos 1091: altval = referencealt - templ;
1092: altsign = "-";
1093: } else {
1094: altval = templ - referencealt;
1095: altsign = "";
1096: }
1097:
1098: if (latval < 0) {
1099: northsouth = 'S';
1100: latval = -latval;
1101: } else
1102: northsouth = 'N';
1103:
1104: latsecfrac = latval % 1000;
1105: latval = latval / 1000;
1106: latsec = latval % 60;
1107: latval = latval / 60;
1108: latmin = latval % 60;
1109: latval = latval / 60;
1110: latdeg = latval;
1111:
1112: if (longval < 0) {
1113: eastwest = 'W';
1114: longval = -longval;
1115: } else
1116: eastwest = 'E';
1117:
1118: longsecfrac = longval % 1000;
1119: longval = longval / 1000;
1120: longsec = longval % 60;
1121: longval = longval / 60;
1122: longmin = longval % 60;
1123: longval = longval / 60;
1124: longdeg = longval;
1125:
1126: altfrac = altval % 100;
1127: altmeters = (altval / 100);
1128:
1.2 christos 1129: sizestr = strdup(precsize_ntoa((u_int32_t)sizeval));
1130: hpstr = strdup(precsize_ntoa((u_int32_t)hpval));
1131: vpstr = strdup(precsize_ntoa((u_int32_t)vpval));
1.1 christos 1132:
1133: sprintf(ascii,
1134: "%d %.2d %.2d.%.3d %c %d %.2d %.2d.%.3d %c %s%d.%.2dm %sm %sm %sm",
1135: latdeg, latmin, latsec, latsecfrac, northsouth,
1136: longdeg, longmin, longsec, longsecfrac, eastwest,
1137: altsign, altmeters, altfrac,
1138: (sizestr != NULL) ? sizestr : error,
1139: (hpstr != NULL) ? hpstr : error,
1140: (vpstr != NULL) ? vpstr : error);
1141:
1142: if (sizestr != NULL)
1143: free(sizestr);
1144: if (hpstr != NULL)
1145: free(hpstr);
1146: if (vpstr != NULL)
1147: free(vpstr);
1148:
1149: return (ascii);
1150: }
1151:
1152:
1.8 christos 1153: /*% Return the number of DNS hierarchy levels in the name. */
1.1 christos 1154: int
1155: dn_count_labels(const char *name) {
1156: int i, len, count;
1157:
1158: len = strlen(name);
1159: for (i = 0, count = 0; i < len; i++) {
1160: /* XXX need to check for \. or use named's nlabels(). */
1161: if (name[i] == '.')
1162: count++;
1163: }
1164:
1165: /* don't count initial wildcard */
1166: if (name[0] == '*')
1167: if (count)
1168: count--;
1169:
1170: /* don't count the null label for root. */
1171: /* if terminating '.' not found, must adjust */
1172: /* count to include last label */
1173: if (len > 0 && name[len-1] != '.')
1174: count++;
1175: return (count);
1176: }
1177:
1.8 christos 1178: /*%
1.10.14.1! riz 1179: * Make dates expressed in seconds-since-Jan-1-1970 easy to read.
1.1 christos 1180: * SIG records are required to be printed like this, by the Secure DNS RFC.
1181: */
1182: char *
1183: p_secstodate (u_long secs) {
1184: /* XXX nonreentrant */
1.8 christos 1185: char *output = p_secstodate_output;
1.2 christos 1186: time_t myclock = secs;
1187: struct tm *mytime;
1.1 christos 1188: #ifdef HAVE_TIME_R
1189: struct tm res;
1190:
1.2 christos 1191: mytime = gmtime_r(&myclock, &res);
1.1 christos 1192: #else
1.2 christos 1193: mytime = gmtime(&myclock);
1.1 christos 1194: #endif
1.2 christos 1195: mytime->tm_year += 1900;
1196: mytime->tm_mon += 1;
1.1 christos 1197: sprintf(output, "%04d%02d%02d%02d%02d%02d",
1.2 christos 1198: mytime->tm_year, mytime->tm_mon, mytime->tm_mday,
1199: mytime->tm_hour, mytime->tm_min, mytime->tm_sec);
1.1 christos 1200: return (output);
1201: }
1202:
1203: u_int16_t
1204: res_nametoclass(const char *buf, int *successp) {
1205: unsigned long result;
1206: char *endptr;
1207: int success;
1208:
1209: result = sym_ston(__p_class_syms, buf, &success);
1210: if (success)
1211: goto done;
1212:
1213: if (strncasecmp(buf, "CLASS", 5) != 0 ||
1214: !isdigit((unsigned char)buf[5]))
1215: goto done;
1216: errno = 0;
1217: result = strtoul(buf + 5, &endptr, 10);
1218: if (errno == 0 && *endptr == '\0' && result <= 0xffffU)
1219: success = 1;
1220: done:
1221: if (successp)
1222: *successp = success;
1.2 christos 1223: return (u_int16_t)(result);
1.1 christos 1224: }
1225:
1226: u_int16_t
1227: res_nametotype(const char *buf, int *successp) {
1228: unsigned long result;
1229: char *endptr;
1230: int success;
1231:
1232: result = sym_ston(__p_type_syms, buf, &success);
1233: if (success)
1234: goto done;
1235:
1236: if (strncasecmp(buf, "type", 4) != 0 ||
1237: !isdigit((unsigned char)buf[4]))
1238: goto done;
1239: errno = 0;
1240: result = strtoul(buf + 4, &endptr, 10);
1241: if (errno == 0 && *endptr == '\0' && result <= 0xffffU)
1242: success = 1;
1243: done:
1244: if (successp)
1245: *successp = success;
1.2 christos 1246: return (u_int16_t)(result);
1.1 christos 1247: }
1.8 christos 1248:
1249: /*! \file */
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