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-rw-r--r--contrib/bind9/lib/dns/rcode.c474
1 files changed, 0 insertions, 474 deletions
diff --git a/contrib/bind9/lib/dns/rcode.c b/contrib/bind9/lib/dns/rcode.c
deleted file mode 100644
index f61aa35..0000000
--- a/contrib/bind9/lib/dns/rcode.c
+++ /dev/null
@@ -1,474 +0,0 @@
-/*
- * Copyright (C) 2004-2006 Internet Systems Consortium, Inc. ("ISC")
- * Copyright (C) 1998-2003 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 ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS. IN NO EVENT SHALL ISC 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.
- */
-
-/* $Id: rcode.c,v 1.2.18.2 2006/01/27 23:57:44 marka Exp $ */
-
-#include <config.h>
-#include <ctype.h>
-
-#include <isc/buffer.h>
-#include <isc/parseint.h>
-#include <isc/print.h>
-#include <isc/region.h>
-#include <isc/result.h>
-#include <isc/stdio.h>
-#include <isc/stdlib.h>
-#include <isc/string.h>
-#include <isc/types.h>
-#include <isc/util.h>
-
-#include <dns/cert.h>
-#include <dns/keyflags.h>
-#include <dns/keyvalues.h>
-#include <dns/rcode.h>
-#include <dns/rdataclass.h>
-#include <dns/result.h>
-#include <dns/secalg.h>
-#include <dns/secproto.h>
-
-#define RETERR(x) \
- do { \
- isc_result_t _r = (x); \
- if (_r != ISC_R_SUCCESS) \
- return (_r); \
- } while (0)
-
-#define NUMBERSIZE sizeof("037777777777") /* 2^32-1 octal + NUL */
-
-#define RCODENAMES \
- /* standard rcodes */ \
- { dns_rcode_noerror, "NOERROR", 0}, \
- { dns_rcode_formerr, "FORMERR", 0}, \
- { dns_rcode_servfail, "SERVFAIL", 0}, \
- { dns_rcode_nxdomain, "NXDOMAIN", 0}, \
- { dns_rcode_notimp, "NOTIMP", 0}, \
- { dns_rcode_refused, "REFUSED", 0}, \
- { dns_rcode_yxdomain, "YXDOMAIN", 0}, \
- { dns_rcode_yxrrset, "YXRRSET", 0}, \
- { dns_rcode_nxrrset, "NXRRSET", 0}, \
- { dns_rcode_notauth, "NOTAUTH", 0}, \
- { dns_rcode_notzone, "NOTZONE", 0},
-
-#define ERCODENAMES \
- /* extended rcodes */ \
- { dns_rcode_badvers, "BADVERS", 0}, \
- { 0, NULL, 0 }
-
-#define TSIGRCODENAMES \
- /* extended rcodes */ \
- { dns_tsigerror_badsig, "BADSIG", 0}, \
- { dns_tsigerror_badkey, "BADKEY", 0}, \
- { dns_tsigerror_badtime, "BADTIME", 0}, \
- { dns_tsigerror_badmode, "BADMODE", 0}, \
- { dns_tsigerror_badname, "BADNAME", 0}, \
- { dns_tsigerror_badalg, "BADALG", 0}, \
- { dns_tsigerror_badtrunc, "BADTRUNC", 0}, \
- { 0, NULL, 0 }
-
-/* RFC2538 section 2.1 */
-
-#define CERTNAMES \
- { 1, "PKIX", 0}, \
- { 2, "SPKI", 0}, \
- { 3, "PGP", 0}, \
- { 253, "URI", 0}, \
- { 254, "OID", 0}, \
- { 0, NULL, 0}
-
-/* RFC2535 section 7, RFC3110 */
-
-#define SECALGNAMES \
- { DNS_KEYALG_RSAMD5, "RSAMD5", 0 }, \
- { DNS_KEYALG_RSAMD5, "RSA", 0 }, \
- { DNS_KEYALG_DH, "DH", 0 }, \
- { DNS_KEYALG_DSA, "DSA", 0 }, \
- { DNS_KEYALG_ECC, "ECC", 0 }, \
- { DNS_KEYALG_RSASHA1, "RSASHA1", 0 }, \
- { DNS_KEYALG_INDIRECT, "INDIRECT", 0 }, \
- { DNS_KEYALG_PRIVATEDNS, "PRIVATEDNS", 0 }, \
- { DNS_KEYALG_PRIVATEOID, "PRIVATEOID", 0 }, \
- { 0, NULL, 0}
-
-/* RFC2535 section 7.1 */
-
-#define SECPROTONAMES \
- { 0, "NONE", 0 }, \
- { 1, "TLS", 0 }, \
- { 2, "EMAIL", 0 }, \
- { 3, "DNSSEC", 0 }, \
- { 4, "IPSEC", 0 }, \
- { 255, "ALL", 0 }, \
- { 0, NULL, 0}
-
-struct tbl {
- unsigned int value;
- const char *name;
- int flags;
-};
-
-static struct tbl rcodes[] = { RCODENAMES ERCODENAMES };
-static struct tbl tsigrcodes[] = { RCODENAMES TSIGRCODENAMES };
-static struct tbl certs[] = { CERTNAMES };
-static struct tbl secalgs[] = { SECALGNAMES };
-static struct tbl secprotos[] = { SECPROTONAMES };
-
-static struct keyflag {
- const char *name;
- unsigned int value;
- unsigned int mask;
-} keyflags[] = {
- { "NOCONF", 0x4000, 0xC000 },
- { "NOAUTH", 0x8000, 0xC000 },
- { "NOKEY", 0xC000, 0xC000 },
- { "FLAG2", 0x2000, 0x2000 },
- { "EXTEND", 0x1000, 0x1000 },
- { "FLAG4", 0x0800, 0x0800 },
- { "FLAG5", 0x0400, 0x0400 },
- { "USER", 0x0000, 0x0300 },
- { "ZONE", 0x0100, 0x0300 },
- { "HOST", 0x0200, 0x0300 },
- { "NTYP3", 0x0300, 0x0300 },
- { "FLAG8", 0x0080, 0x0080 },
- { "FLAG9", 0x0040, 0x0040 },
- { "FLAG10", 0x0020, 0x0020 },
- { "FLAG11", 0x0010, 0x0010 },
- { "SIG0", 0x0000, 0x000F },
- { "SIG1", 0x0001, 0x000F },
- { "SIG2", 0x0002, 0x000F },
- { "SIG3", 0x0003, 0x000F },
- { "SIG4", 0x0004, 0x000F },
- { "SIG5", 0x0005, 0x000F },
- { "SIG6", 0x0006, 0x000F },
- { "SIG7", 0x0007, 0x000F },
- { "SIG8", 0x0008, 0x000F },
- { "SIG9", 0x0009, 0x000F },
- { "SIG10", 0x000A, 0x000F },
- { "SIG11", 0x000B, 0x000F },
- { "SIG12", 0x000C, 0x000F },
- { "SIG13", 0x000D, 0x000F },
- { "SIG14", 0x000E, 0x000F },
- { "SIG15", 0x000F, 0x000F },
- { "KSK", DNS_KEYFLAG_KSK, DNS_KEYFLAG_KSK },
- { NULL, 0, 0 }
-};
-
-static isc_result_t
-str_totext(const char *source, isc_buffer_t *target) {
- unsigned int l;
- isc_region_t region;
-
- isc_buffer_availableregion(target, &region);
- l = strlen(source);
-
- if (l > region.length)
- return (ISC_R_NOSPACE);
-
- memcpy(region.base, source, l);
- isc_buffer_add(target, l);
- return (ISC_R_SUCCESS);
-}
-
-static isc_result_t
-maybe_numeric(unsigned int *valuep, isc_textregion_t *source,
- unsigned int max, isc_boolean_t hex_allowed)
-{
- isc_result_t result;
- isc_uint32_t n;
- char buffer[NUMBERSIZE];
-
- if (! isdigit(source->base[0] & 0xff) ||
- source->length > NUMBERSIZE - 1)
- return (ISC_R_BADNUMBER);
-
- /*
- * We have a potential number. Try to parse it with
- * isc_parse_uint32(). isc_parse_uint32() requires
- * null termination, so we must make a copy.
- */
- strncpy(buffer, source->base, NUMBERSIZE);
- INSIST(buffer[source->length] == '\0');
-
- result = isc_parse_uint32(&n, buffer, 10);
- if (result == ISC_R_BADNUMBER && hex_allowed)
- result = isc_parse_uint32(&n, buffer, 16);
- if (result != ISC_R_SUCCESS)
- return (result);
- if (n > max)
- return (ISC_R_RANGE);
- *valuep = n;
- return (ISC_R_SUCCESS);
-}
-
-static isc_result_t
-dns_mnemonic_fromtext(unsigned int *valuep, isc_textregion_t *source,
- struct tbl *table, unsigned int max)
-{
- isc_result_t result;
- int i;
-
- result = maybe_numeric(valuep, source, max, ISC_FALSE);
- if (result != ISC_R_BADNUMBER)
- return (result);
-
- for (i = 0; table[i].name != NULL; i++) {
- unsigned int n;
- n = strlen(table[i].name);
- if (n == source->length &&
- strncasecmp(source->base, table[i].name, n) == 0) {
- *valuep = table[i].value;
- return (ISC_R_SUCCESS);
- }
- }
- return (DNS_R_UNKNOWN);
-}
-
-static isc_result_t
-dns_mnemonic_totext(unsigned int value, isc_buffer_t *target,
- struct tbl *table)
-{
- int i = 0;
- char buf[sizeof("4294967296")];
- while (table[i].name != NULL) {
- if (table[i].value == value) {
- return (str_totext(table[i].name, target));
- }
- i++;
- }
- snprintf(buf, sizeof(buf), "%u", value);
- return (str_totext(buf, target));
-}
-
-isc_result_t
-dns_rcode_fromtext(dns_rcode_t *rcodep, isc_textregion_t *source) {
- unsigned int value;
- RETERR(dns_mnemonic_fromtext(&value, source, rcodes, 0xffff));
- *rcodep = value;
- return (ISC_R_SUCCESS);
-}
-
-isc_result_t
-dns_rcode_totext(dns_rcode_t rcode, isc_buffer_t *target) {
- return (dns_mnemonic_totext(rcode, target, rcodes));
-}
-
-isc_result_t
-dns_tsigrcode_fromtext(dns_rcode_t *rcodep, isc_textregion_t *source) {
- unsigned int value;
- RETERR(dns_mnemonic_fromtext(&value, source, tsigrcodes, 0xffff));
- *rcodep = value;
- return (ISC_R_SUCCESS);
-}
-
-isc_result_t
-dns_tsigrcode_totext(dns_rcode_t rcode, isc_buffer_t *target) {
- return (dns_mnemonic_totext(rcode, target, tsigrcodes));
-}
-
-isc_result_t
-dns_cert_fromtext(dns_cert_t *certp, isc_textregion_t *source) {
- unsigned int value;
- RETERR(dns_mnemonic_fromtext(&value, source, certs, 0xffff));
- *certp = value;
- return (ISC_R_SUCCESS);
-}
-
-isc_result_t
-dns_cert_totext(dns_cert_t cert, isc_buffer_t *target) {
- return (dns_mnemonic_totext(cert, target, certs));
-}
-
-isc_result_t
-dns_secalg_fromtext(dns_secalg_t *secalgp, isc_textregion_t *source) {
- unsigned int value;
- RETERR(dns_mnemonic_fromtext(&value, source, secalgs, 0xff));
- *secalgp = value;
- return (ISC_R_SUCCESS);
-}
-
-isc_result_t
-dns_secalg_totext(dns_secalg_t secalg, isc_buffer_t *target) {
- return (dns_mnemonic_totext(secalg, target, secalgs));
-}
-
-isc_result_t
-dns_secproto_fromtext(dns_secproto_t *secprotop, isc_textregion_t *source) {
- unsigned int value;
- RETERR(dns_mnemonic_fromtext(&value, source, secprotos, 0xff));
- *secprotop = value;
- return (ISC_R_SUCCESS);
-}
-
-isc_result_t
-dns_secproto_totext(dns_secproto_t secproto, isc_buffer_t *target) {
- return (dns_mnemonic_totext(secproto, target, secprotos));
-}
-
-isc_result_t
-dns_keyflags_fromtext(dns_keyflags_t *flagsp, isc_textregion_t *source)
-{
- isc_result_t result;
- char *text, *end;
- unsigned int value, mask;
-
- result = maybe_numeric(&value, source, 0xffff, ISC_TRUE);
- if (result == ISC_R_SUCCESS) {
- *flagsp = value;
- return (ISC_R_SUCCESS);
- }
- if (result != ISC_R_BADNUMBER)
- return (result);
-
- text = source->base;
- end = source->base + source->length;
- value = mask = 0;
-
- while (text < end) {
- struct keyflag *p;
- unsigned int len;
- char *delim = memchr(text, '|', end - text);
- if (delim != NULL)
- len = delim - text;
- else
- len = end - text;
- for (p = keyflags; p->name != NULL; p++) {
- if (strncasecmp(p->name, text, len) == 0)
- break;
- }
- if (p->name == NULL)
- return (DNS_R_UNKNOWNFLAG);
- value |= p->value;
-#ifdef notyet
- if ((mask & p->mask) != 0)
- warn("overlapping key flags");
-#endif
- mask |= p->mask;
- text += len;
- if (delim != NULL)
- text++; /* Skip "|" */
- }
- *flagsp = value;
- return (ISC_R_SUCCESS);
-}
-
-/*
- * This uses lots of hard coded values, but how often do we actually
- * add classes?
- */
-isc_result_t
-dns_rdataclass_fromtext(dns_rdataclass_t *classp, isc_textregion_t *source) {
-#define COMPARE(string, rdclass) \
- if (((sizeof(string) - 1) == source->length) \
- && (strncasecmp(source->base, string, source->length) == 0)) { \
- *classp = rdclass; \
- return (ISC_R_SUCCESS); \
- }
-
- switch (tolower((unsigned char)source->base[0])) {
- case 'a':
- COMPARE("any", dns_rdataclass_any);
- break;
- case 'c':
- /*
- * RFC1035 says the mnemonic for the CHAOS class is CH,
- * but historical BIND practice is to call it CHAOS.
- * We will accept both forms, but only generate CH.
- */
- COMPARE("ch", dns_rdataclass_chaos);
- COMPARE("chaos", dns_rdataclass_chaos);
-
- if (source->length > 5 &&
- source->length < (5 + sizeof("65000")) &&
- strncasecmp("class", source->base, 5) == 0) {
- char buf[sizeof("65000")];
- char *endp;
- unsigned int val;
-
- strncpy(buf, source->base + 5, source->length - 5);
- buf[source->length - 5] = '\0';
- val = strtoul(buf, &endp, 10);
- if (*endp == '\0' && val <= 0xffff) {
- *classp = (dns_rdataclass_t)val;
- return (ISC_R_SUCCESS);
- }
- }
- break;
- case 'h':
- COMPARE("hs", dns_rdataclass_hs);
- COMPARE("hesiod", dns_rdataclass_hs);
- break;
- case 'i':
- COMPARE("in", dns_rdataclass_in);
- break;
- case 'n':
- COMPARE("none", dns_rdataclass_none);
- break;
- case 'r':
- COMPARE("reserved0", dns_rdataclass_reserved0);
- break;
- }
-
-#undef COMPARE
-
- return (DNS_R_UNKNOWN);
-}
-
-isc_result_t
-dns_rdataclass_totext(dns_rdataclass_t rdclass, isc_buffer_t *target) {
- char buf[sizeof("CLASS65535")];
-
- switch (rdclass) {
- case dns_rdataclass_any:
- return (str_totext("ANY", target));
- case dns_rdataclass_chaos:
- return (str_totext("CH", target));
- case dns_rdataclass_hs:
- return (str_totext("HS", target));
- case dns_rdataclass_in:
- return (str_totext("IN", target));
- case dns_rdataclass_none:
- return (str_totext("NONE", target));
- case dns_rdataclass_reserved0:
- return (str_totext("RESERVED0", target));
- default:
- snprintf(buf, sizeof(buf), "CLASS%u", rdclass);
- return (str_totext(buf, target));
- }
-}
-
-void
-dns_rdataclass_format(dns_rdataclass_t rdclass,
- char *array, unsigned int size)
-{
- isc_result_t result;
- isc_buffer_t buf;
-
- isc_buffer_init(&buf, array, size);
- result = dns_rdataclass_totext(rdclass, &buf);
- /*
- * Null terminate.
- */
- if (result == ISC_R_SUCCESS) {
- if (isc_buffer_availablelength(&buf) >= 1)
- isc_buffer_putuint8(&buf, 0);
- else
- result = ISC_R_NOSPACE;
- }
- if (result != ISC_R_SUCCESS) {
- snprintf(array, size, "<unknown>");
- array[size - 1] = '\0';
- }
-}
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