diff options
Diffstat (limited to 'resolv/arpa/nameser.h')
| -rw-r--r-- | resolv/arpa/nameser.h | 105 |
1 files changed, 87 insertions, 18 deletions
diff --git a/resolv/arpa/nameser.h b/resolv/arpa/nameser.h index 0fb04a1a02..f2b251bfbf 100644 --- a/resolv/arpa/nameser.h +++ b/resolv/arpa/nameser.h @@ -50,6 +50,28 @@ * 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. * --Copyright-- */ @@ -83,7 +105,7 @@ * is new enough to contain a certain feature. */ -#define __BIND 19950621 /* interface version stamp */ +#define __BIND 19960801 /* interface version stamp */ /* * Define constants based on rfc883 @@ -92,12 +114,12 @@ #define MAXDNAME 256 /* maximum domain name */ #define MAXCDNAME 255 /* maximum compressed domain name */ #define MAXLABEL 63 /* maximum length of domain label */ -#define HFIXEDSZ 12 /* #/bytes of fixed data in header */ +#define HFIXEDSZ 12 /* #/bytes of fixed data in header */ #define QFIXEDSZ 4 /* #/bytes of fixed data in query */ #define RRFIXEDSZ 10 /* #/bytes of fixed data in r record */ -#define INT32SZ 4 /* for systems without 32-bit ints */ -#define INT16SZ 2 /* for systems without 16-bit ints */ -#define INADDRSZ 4 /* IPv4 T_A */ +#define INT32SZ 4 /* for systems without 32-bit ints */ +#define INT16SZ 2 /* for systems without 16-bit ints */ +#define INADDRSZ 4 /* IPv4 T_A */ #define IN6ADDRSZ 16 /* IPv6 T_AAAA */ /* @@ -112,7 +134,7 @@ #define IQUERY 0x1 /* inverse query */ #define STATUS 0x2 /* nameserver status query */ /*#define xxx 0x3*/ /* 0x3 reserved */ -#define NS_NOTIFY_OP 0x4 /* notify secondary of SOA change */ +#define NS_NOTIFY_OP 0x4 /* notify secondary of SOA change */ #ifdef ALLOW_UPDATES /* non standard - supports ALLOW_UPDATES stuff from Mike Schwartz */ # define UPDATEA 0x9 /* add resource record */ @@ -157,19 +179,20 @@ #define T_MINFO 14 /* mailbox information */ #define T_MX 15 /* mail routing information */ #define T_TXT 16 /* text strings */ -#define T_RP 17 /* responsible person */ +#define T_RP 17 /* responsible person */ #define T_AFSDB 18 /* AFS cell database */ #define T_X25 19 /* X_25 calling address */ #define T_ISDN 20 /* ISDN calling address */ #define T_RT 21 /* router */ #define T_NSAP 22 /* NSAP address */ #define T_NSAP_PTR 23 /* reverse NSAP lookup (deprecated) */ -#define T_SIG 24 /* security signature */ -#define T_KEY 25 /* security key */ -#define T_PX 26 /* X.400 mail mapping */ -#define T_GPOS 27 /* geographical position (withdrawn) */ -#define T_AAAA 28 /* IP6 Address */ -#define T_LOC 29 /* Location Information */ +#define T_SIG 24 /* security signature */ +#define T_KEY 25 /* security key */ +#define T_PX 26 /* X.400 mail mapping */ +#define T_GPOS 27 /* geographical position (withdrawn) */ +#define T_AAAA 28 /* IP6 Address */ +#define T_LOC 29 /* Location Information */ +#define T_NXT 30 /* Next Valid Name in Zone */ /* non standard */ #define T_UINFO 100 /* user (finger) information */ #define T_UID 101 /* user ID */ @@ -192,6 +215,48 @@ #define C_ANY 255 /* wildcard match */ /* + * Flags field of the KEY RR rdata + */ +#define KEYFLAG_TYPEMASK 0xC000 /* Mask for "type" bits */ +#define KEYFLAG_TYPE_AUTH_CONF 0x0000 /* Key usable for both */ +#define KEYFLAG_TYPE_CONF_ONLY 0x8000 /* Key usable for confidentiality */ +#define KEYFLAG_TYPE_AUTH_ONLY 0x4000 /* Key usable for authentication */ +#define KEYFLAG_TYPE_NO_KEY 0xC000 /* No key usable for either; no key */ +/* The type bits can also be interpreted independently, as single bits: */ +#define KEYFLAG_NO_AUTH 0x8000 /* Key not usable for authentication */ +#define KEYFLAG_NO_CONF 0x4000 /* Key not usable for confidentiality */ + +#define KEYFLAG_EXPERIMENTAL 0x2000 /* Security is *mandatory* if bit=0 */ +#define KEYFLAG_RESERVED3 0x1000 /* reserved - must be zero */ +#define KEYFLAG_RESERVED4 0x0800 /* reserved - must be zero */ +#define KEYFLAG_USERACCOUNT 0x0400 /* key is assoc. with a user acct */ +#define KEYFLAG_ENTITY 0x0200 /* key is assoc. with entity eg host */ +#define KEYFLAG_ZONEKEY 0x0100 /* key is zone key for the zone named */ +#define KEYFLAG_IPSEC 0x0080 /* key is for IPSEC use (host or user)*/ +#define KEYFLAG_EMAIL 0x0040 /* key is for email (MIME security) */ +#define KEYFLAG_RESERVED10 0x0020 /* reserved - must be zero */ +#define KEYFLAG_RESERVED11 0x0010 /* reserved - must be zero */ +#define KEYFLAG_SIGNATORYMASK 0x000F /* key can sign DNS RR's of same name */ + +#define KEYFLAG_RESERVED_BITMASK ( KEYFLAG_RESERVED3 | \ + KEYFLAG_RESERVED4 | \ + KEYFLAG_RESERVED10| KEYFLAG_RESERVED11) + +/* The Algorithm field of the KEY and SIG RR's is an integer, {1..254} */ +#define ALGORITHM_MD5RSA 1 /* MD5 with RSA */ +#define ALGORITHM_EXPIRE_ONLY 253 /* No alg, no security */ +#define ALGORITHM_PRIVATE_OID 254 /* Key begins with OID indicating alg */ + +/* Signatures */ + /* Size of a mod or exp in bits */ +#define MIN_MD5RSA_KEY_PART_BITS 512 +#define MAX_MD5RSA_KEY_PART_BITS 2552 + /* Total of binary mod and exp, bytes */ +#define MAX_MD5RSA_KEY_BYTES ((MAX_MD5RSA_KEY_PART_BITS+7/8)*2+3) + /* Max length of text sig block */ +#define MAX_KEY_BASE64 (((MAX_MD5RSA_KEY_BYTES+2)/3)*4) + +/* * Status return codes for T_UNSPEC conversion routines */ #define CONV_SUCCESS 0 @@ -207,9 +272,9 @@ #ifdef linux # include <endian.h> #else -#define LITTLE_ENDIAN 1234 /* least-significant byte first (vax, pc) */ -#define BIG_ENDIAN 4321 /* most-significant byte first (IBM, net) */ -#define PDP_ENDIAN 3412 /* LSB first in word, MSW first in long (pdp)*/ +#define LITTLE_ENDIAN 1234 /* least-significant byte first (vax, pc) */ +#define BIG_ENDIAN 4321 /* most-significant byte first (IBM, net) */ +#define PDP_ENDIAN 3412 /* LSB first in word, MSW first in long (pdp)*/ #if defined(vax) || defined(ns32000) || defined(sun386) || defined(i386) || \ defined(MIPSEL) || defined(_MIPSEL) || defined(BIT_ZERO_ON_RIGHT) || \ @@ -259,7 +324,9 @@ typedef struct { unsigned rd: 1; /* recursion desired */ /* fields in fourth byte */ unsigned ra: 1; /* recursion available */ - unsigned unused :3; /* unused bits (MBZ as of 4.9.3a3) */ + unsigned unused :1; /* unused bits (MBZ as of 4.9.3a3) */ + unsigned ad: 1; /* authentic data from named */ + unsigned cd: 1; /* checking disabled by resolver */ unsigned rcode :4; /* response code */ #endif #if BYTE_ORDER == LITTLE_ENDIAN || BYTE_ORDER == PDP_ENDIAN @@ -271,7 +338,9 @@ typedef struct { unsigned qr :1; /* response flag */ /* fields in fourth byte */ unsigned rcode :4; /* response code */ - unsigned unused :3; /* unused bits (MBZ as of 4.9.3a3) */ + unsigned cd: 1; /* checking disabled by resolver */ + unsigned ad: 1; /* authentic data from named */ + unsigned unused :1; /* unused bits (MBZ as of 4.9.3a3) */ unsigned ra :1; /* recursion available */ #endif /* remaining bytes */ |