DNS: Sync types with IANA

[tcpdump] / nameser.h

diff --git a/nameser.h b/nameser.h
index 21f50e6cd613c437a12708612686c1b9e5046216..2a1854fdf4f1de0c143dc2d7945c62467a031e54 100644 (file)
--- a/nameser.h
+++ b/nameser.h
@@ -1,4 +1,3 @@
-/* @(#) $Header: /tcpdump/master/tcpdump/nameser.h,v 1.6 2001-01-28 07:47:56 itojun Exp $ (LBL) */

 /*
  * Copyright (c) 1983, 1989, 1993
  *     The Regents of the University of California.  All rights reserved.
 /*
  * Copyright (c) 1983, 1989, 1993
  *     The Regents of the University of California.  All rights reserved.


@@ -34,14 +33,14 @@
  *      @(#)nameser.h  8.2 (Berkeley) 2/16/94
  * -
  * Portions Copyright (c) 1993 by Digital Equipment Corporation.
  *      @(#)nameser.h  8.2 (Berkeley) 2/16/94
  * -
  * 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.
  * 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
  * 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


@@ -71,11 +70,6 @@
        /* number of bytes of fixed size data in resource record */
 #define RRFIXEDSZ      10
 
        /* number of bytes of fixed size data in resource record */
 #define RRFIXEDSZ      10
 

-/*
- * Internet nameserver port number
- */
-#define NAMESERVER_PORT        53
-

 /*
  * Currently defined opcodes
  */
 /*
  * Currently defined opcodes
  */


@@ -95,6 +89,23 @@
 #define ZONEINIT       0xe             /* initial zone transfer */
 #define ZONEREF                0xf             /* incremental zone referesh */
 
 #define ZONEINIT       0xe             /* initial zone transfer */
 #define ZONEREF                0xf             /* incremental zone referesh */
 

+/*
+ * Undefine various #defines from various System V-flavored OSes (Solaris,
+ * SINIX, HP-UX) so the compiler doesn't whine that we redefine them.
+ */
+#ifdef T_NULL
+#undef T_NULL
+#endif
+#ifdef T_OPT
+#undef T_OPT
+#endif
+#ifdef T_UNSPEC
+#undef T_UNSPEC
+#endif
+#ifdef NOERROR
+#undef NOERROR
+#endif
+

 /*
  * Currently defined response codes
  */
 /*
  * Currently defined response codes
  */


@@ -145,20 +156,63 @@
 #define T_SRV          33              /* Server selection */
 #define T_ATMA         34              /* ATM Address */
 #define T_NAPTR                35              /* Naming Authority PoinTeR */
 #define T_SRV          33              /* Server selection */
 #define T_ATMA         34              /* ATM Address */
 #define T_NAPTR                35              /* Naming Authority PoinTeR */

+#define T_KX           36              /* Key Exchanger */
+#define T_CERT         37              /* Certificates in the DNS */

 #define T_A6           38              /* IP6 address */
 #define T_DNAME                39              /* non-terminal redirection */
 #define T_A6           38              /* IP6 address */
 #define T_DNAME                39              /* non-terminal redirection */

+#define T_SINK         40              /* unknown */

 #define T_OPT          41              /* EDNS0 option (meta-RR) */
 #define T_OPT          41              /* EDNS0 option (meta-RR) */

+#define T_APL          42              /* lists of address prefixes */
+#define T_DS           43              /* Delegation Signer */
+#define T_SSHFP                44              /* SSH Fingerprint */
+#define T_IPSECKEY     45              /* IPsec keying material */
+#define T_RRSIG                46              /* new security signature */
+#define T_NSEC         47              /* provable insecure information */
+#define T_DNSKEY       48              /* new security key */
+#define T_DHCID                49              /* DHCP IDentifier */
+#define T_NSEC3                50              /* Next SECure record v3 */
+#define T_NSEC3PARAM   51              /* NSEC3 PARAMeter */
+#define T_TLSA         52              /* TLS Authentication */
+#define T_SMIMEA       53              /* S/MIME Authentication */
+/* Unassigned */
+#define T_HIP          55              /* Host Identity Protocol */
+#define T_NINFO                56              /* zone status information */
+#define T_RKEY         57              /* Record encryption KEY */
+#define T_TALINK       58              /* Trust Anchor LINK */
+#define T_CDS          59              /* Child Delegation Signer */
+#define T_CDNSKEY      60              /* Child DNSKEY */
+#define T_OPENPGPKEY   61              /* OpenPGP KEY */
+#define T_CSYNC                62              /* Child to parent SYNCronization */
+#define T_ZONEMD       63              /* ZONE data Message Digest */
+#define T_SVCB         64              /* SerViCe Binding */
+#define T_HTTPS                65              /* HTTPS binding */

        /* non standard */
        /* non standard */

+#define T_SPF          99              /* sender policy framework */

 #define T_UINFO                100             /* user (finger) information */
 #define T_UID          101             /* user ID */
 #define T_GID          102             /* group ID */
 #define T_UNSPEC       103             /* Unspecified format (binary data) */
 #define T_UINFO                100             /* user (finger) information */
 #define T_UID          101             /* user ID */
 #define T_GID          102             /* group ID */
 #define T_UNSPEC       103             /* Unspecified format (binary data) */

-#define T_UNSPECA      104             /* "unspecified ascii". Ugly MIT hack */
+#define T_NID          104             /* Node IDentifier */
+#define T_L32          105             /* Locator 32-bit */
+#define T_L64          106             /* Locator 64-bit */
+#define T_LP           107             /* Locator Pointer */
+#define T_EUI48                108             /* an EUI-48 address */
+#define T_EUI64                109             /* an EUI-64 address */

        /* Query type values which do not appear in resource records */
        /* Query type values which do not appear in resource records */

+#define T_TKEY         249             /* Transaction Key [RFC2930] */
+#define T_TSIG         250             /* Transaction Signature [RFC2845] */
+#define T_IXFR         251             /* incremental transfer [RFC1995] */

 #define T_AXFR         252             /* transfer zone of authority */
 #define T_MAILB                253             /* transfer mailbox records */
 #define T_MAILA                254             /* transfer mail agent records */
 #define T_ANY          255             /* wildcard match */
 #define T_AXFR         252             /* transfer zone of authority */
 #define T_MAILB                253             /* transfer mailbox records */
 #define T_MAILA                254             /* transfer mail agent records */
 #define T_ANY          255             /* wildcard match */

+#define T_URI          256             /* uri records [RFC7553] */
+#define T_CAA          257             /* Certification Authority Authorization */
+#define T_AVC          258             /* Application Visibility and Control */
+#define T_DOA          259             /* Digital Object Architecture */
+#define T_AMTRELAY     260             /* Automatic Multicast Tunneling RELAY */
+#define T_TA           32768           /* DNSSEC Trust Authorities */
+#define T_DLV          32769           /* DNSSEC Lookaside Validation */

 
 /*
  * Values for class field
 
 /*
  * Values for class field


@@ -169,105 +223,109 @@
 #define C_HS           4               /* for Hesiod name server (MIT) (XXX) */
        /* Query class values which do not appear in resource records */
 #define C_ANY          255             /* wildcard match */
 #define C_HS           4               /* for Hesiod name server (MIT) (XXX) */
        /* Query class values which do not appear in resource records */
 #define C_ANY          255             /* wildcard match */

+#define C_QU           0x8000          /* mDNS QU flag in queries */
+#define C_CACHE_FLUSH  0x8000          /* mDNS cache flush flag in replies */

 
 /*
 
 /*

- * Status return codes for T_UNSPEC conversion routines
+ * Values for EDNS option types

  */
  */

-#define CONV_SUCCESS 0
-#define CONV_OVERFLOW -1
-#define CONV_BADFMT -2
-#define CONV_BADCKSUM -3
-#define CONV_BADBUFLEN -4
+#define E_LLQ           1       /* long lived queries protocol */
+#define E_UL            2       /* dynamic dns update leases */
+#define E_NSID          3       /* name server identifier */
+#define E_DAU           5       /* signal DNSSEC algorithm understood */
+#define E_DHU           6       /* signal DS hash understood */
+#define E_N3U           7       /* signal NSEC3 hash understood */
+#define E_ECS           8       /* EDNS client subnet */
+#define E_EXPIRE        9       /* zone expiration */
+#define E_COOKIE        10      /* DNS cookies */
+#define E_KEEPALIVE     11      /* TCP keepalive */
+#define E_PADDING       12      /* pad DNS messages */
+#define E_CHAIN         13      /* chain DNS queries */
+#define E_KEYTAG        14      /* EDNS key tag */
+#define E_CLIENTTAG     16      /* EDNS client tag */
+#define E_SERVERTAG     17      /* EDNS server tag */

 
 /*
 
 /*

- * Structure for query header.
+ * Values for DNSSEC Algorithms
+ * https://www.iana.org/assignments/dns-sec-alg-numbers/dns-sec-alg-numbers.xhtml

  */
  */

-typedef struct {
-       u_int16_t id;           /* query identification number */
-       u_int8_t  flags1;       /* first byte of flags */
-       u_int8_t  flags2;       /* second byte of flags */
-       u_int16_t qdcount;      /* number of question entries */
-       u_int16_t ancount;      /* number of answer entries */
-       u_int16_t nscount;      /* number of authority entries */
-       u_int16_t arcount;      /* number of resource entries */
-} HEADER;
+
+#define A_DELETE                0
+#define A_RSAMD5                1
+#define A_DH                    2
+#define A_DSA                   3
+#define A_RSASHA1               5
+#define A_DSA_NSEC3_SHA1        6
+#define A_RSASHA1_NSEC3_SHA1    7
+#define A_RSASHA256             8
+#define A_RSASHA512             10
+#define A_ECC_GOST              12
+#define A_ECDSAP256SHA256       13
+#define A_ECDSAP384SHA384       14
+#define A_ED25519               15
+#define A_ED448                 16
+#define A_INDIRECT              252
+#define A_PRIVATEDNS            253
+#define A_PRIVATEOID            254

 
 /*
 
 /*

- * Macros for subfields of flag fields.
+ * Values for NSEC3 algorithms
+ * https://www.iana.org/assignments/dnssec-nsec3-parameters/dnssec-nsec3-parameters.xhtml

  */
  */

-#define DNS_QR(np)     ((np)->flags1 & 0x80)           /* response flag */
-#define DNS_OPCODE(np) ((((np)->flags1) >> 3) & 0xF)   /* purpose of message */
-#define DNS_AA(np)     ((np)->flags1 & 0x04)           /* authoritative answer */
-#define DNS_TC(np)     ((np)->flags1 & 0x02)           /* truncated message */
-#define DNS_RD(np)     ((np)->flags1 & 0x01)           /* recursion desired */
-
-#define DNS_RA(np)     ((np)->flags2 & 0x80)   /* recursion available */
-#define DNS_AD(np)     ((np)->flags2 & 0x20)   /* authentic data from named */
-#define DNS_CD(np)     ((np)->flags2 & 0x10)   /* checking disabled by resolver */
-#define DNS_RCODE(np)  ((np)->flags2 & 0xF)    /* response code */
+#define NSEC_SHA1   1

 
 /*
 
 /*

- * Defines for handling compressed domain names, EDNS0 labels, etc.
+ * Values for delegation signer algorithms
+ * https://www.iana.org/assignments/ds-rr-types/ds-rr-types.xhtml

  */
  */

-#define INDIR_MASK     0xc0    /* 11.... */
-#define EDNS0_MASK     0x40    /* 01.... */
-#  define EDNS0_ELT_BITLABEL 0x01 
+#define DS_SHA1     1
+#define DS_SHA256   2
+#define DS_GOST     3
+#define DS_SHA384   4
+

 
 /*
 
 /*

- * Structure for passing resource records around.
+ * Status return codes for T_UNSPEC conversion routines

  */
  */

-struct rrec {
-       int16_t r_zone;                 /* zone number */
-       int16_t r_class;                /* class number */
-       int16_t r_type;                 /* type number */
-       u_int32_t       r_ttl;                  /* time to live */
-       int     r_size;                 /* size of data area */
-       char    *r_data;                /* pointer to data */
-};
+#define CONV_SUCCESS 0
+#define CONV_OVERFLOW -1
+#define CONV_BADFMT -2
+#define CONV_BADCKSUM -3
+#define CONV_BADBUFLEN -4

 
 /*
 
 /*

- * Inline versions of get/put short/long.  Pointer is advanced.
- * We also assume that a "u_int16_t" holds 2 "chars"
- * and that a "u_int32_t" holds 4 "chars".
- *
- * These macros demonstrate the property of C whereby it can be
- * portable or it can be elegant but never both.
+ * Structure for query header.

  */
  */

-#define GETSHORT(s, cp) { \
-       register u_char *t_cp = (u_char *)(cp); \
-       (s) = ((u_int16_t)t_cp[0] << 8) | (u_int16_t)t_cp[1]; \
-       (cp) += 2; \
-}
-
-#define GETLONG(l, cp) { \
-       register u_char *t_cp = (u_char *)(cp); \
-       (l) = (((u_int32_t)t_cp[0]) << 24) \
-           | (((u_int32_t)t_cp[1]) << 16) \
-           | (((u_int32_t)t_cp[2]) << 8) \
-           | (((u_int32_t)t_cp[3])); \
-       (cp) += 4; \
-}
+typedef struct {
+       nd_uint16_t id;         /* query identification number */
+       nd_uint16_t flags;      /* QR, Opcode, AA, TC, RD, RA, RCODE */
+       nd_uint16_t qdcount;    /* number of question entries */
+       nd_uint16_t ancount;    /* number of answer entries */
+       nd_uint16_t nscount;    /* number of authority entries */
+       nd_uint16_t arcount;    /* number of resource entries */
+} dns_header_t;

 
 

-#define PUTSHORT(s, cp) { \
-       register u_int16_t t_s = (u_int16_t)(s); \
-       register u_char *t_cp = (u_char *)(cp); \
-       *t_cp++ = t_s >> 8; \
-       *t_cp   = t_s; \
-       (cp) += 2; \
-}
+/*
+ * Macros for subfields of flag fields.
+ */
+#define DNS_QR(flags)          ((flags) & 0x8000)      /* response flag */
+#define DNS_OPCODE(flags)      (((flags) >> 11) & 0xF) /* purpose of message */
+#define DNS_AA(flags)          (flags & 0x0400)        /* authoritative answer */
+#define DNS_TC(flags)          (flags & 0x0200)        /* truncated message */
+#define DNS_RD(flags)          (flags & 0x0100)        /* recursion desired */
+#define DNS_RA(flags)          (flags & 0x0080)        /* recursion available */
+#define DNS_AD(flags)          (flags & 0x0020)        /* authentic data from named */
+#define DNS_CD(flags)          (flags & 0x0010)        /* checking disabled by resolver */
+#define DNS_RCODE(flags)       (flags & 0x000F)        /* response code */

 
 /*
 
 /*

- * Warning: PUTLONG --no-longer-- destroys its first argument.  if you
- * were depending on this "feature", you will lose.
+ * Defines for handling compressed domain names, EDNS0 labels, etc.

  */
  */

-#define PUTLONG(l, cp) { \
-       register u_int32_t t_l = (u_int32_t)(l); \
-       register u_char *t_cp = (u_char *)(cp); \
-       *t_cp++ = t_l >> 24; \
-       *t_cp++ = t_l >> 16; \
-       *t_cp++ = t_l >> 8; \
-       *t_cp   = t_l; \
-       (cp) += 4; \
-}
+#define TYPE_MASK      0xc0    /* mask for the type bits of the item */
+#define TYPE_INDIR     0xc0    /* 11.... - pointer */
+#define TYPE_RESERVED  0x80    /* 10.... - reserved */
+#define TYPE_EDNS0     0x40    /* 01.... - EDNS(0) label */
+#define TYPE_LABEL     0x00    /* 00.... - regular label */
+#  define EDNS0_ELT_BITLABEL 0x01

 
 #endif /* !_NAMESER_H_ */
 
 #endif /* !_NAMESER_H_ */