Imported Upstream version 5.0.3

1 files changed, 268 insertions, 0 deletions

diff --git a/src/libstrongswan/resolver/rr.h b/src/libstrongswan/resolver/rr.h
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+++ b/src/libstrongswan/resolver/rr.h
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+/*
+ * Copyright (C) 2012 Reto Guadagnini
+ * Hochschule fuer Technik Rapperswil
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * for more details.
+ */
+
+/**
+ * @defgroup rr rr
+ * @{ @ingroup resolver
+ */
+
+#ifndef RR_H_
+#define RR_H_
+
+typedef struct rr_t rr_t;
+typedef enum rr_type_t rr_type_t;
+typedef enum rr_class_t rr_class_t;
+
+#include <library.h>
+
+/**
+ * Resource Record types.
+ *
+ * According to www.iana.org/assignments/dns-parameters (version 2012-03-13).
+ */
+enum rr_type_t {
+	/** a host address */
+	RR_TYPE_A = 1,
+	/** an authoritative name server */
+	RR_TYPE_NS = 2,
+	//** a mail destination (OBSOLETE - use MX */
+	RR_TYPE_MD = 3,
+	/** a mail forwarder (OBSOLETE - use MX) */
+	RR_TYPE_MF = 4,
+	/** the canonical name for an alias */
+	RR_TYPE_CNAME = 5,
+	/** marks the start of a zone of authority */
+	RR_TYPE_SOA = 6,
+	/** a mailbox domain name (EXPERIMENTAL) */
+	RR_TYPE_MB = 7,
+	/** a mail group member (EXPERIMENTAL) */
+	RR_TYPE_MG = 8,
+	/** a mail rename domain name (EXPERIMENTAL) */
+	RR_TYPE_MR = 9,
+	/** a null RR (EXPERIMENTAL) */
+	RR_TYPE_NULL = 10,
+	/** a well known service description */
+	RR_TYPE_WKS = 11,
+	/**  a domain name pointer */
+	RR_TYPE_PTR = 12,
+	/**  host information */
+	RR_TYPE_HINFO = 13,
+	/**  mailbox or mail list information */
+	RR_TYPE_MINFO = 14,
+	/**  mail exchange */
+	RR_TYPE_MX = 15,
+	/**  text strings */
+	RR_TYPE_TXT = 16,
+	/** for Responsible Person */
+	RR_TYPE_RP = 17,
+	/** for AFS Data Base location */
+	RR_TYPE_AFSDB = 18,
+	/** for X.25 PSDN address */
+	RR_TYPE_X25 = 19,
+	/** for ISDN address */
+	RR_TYPE_ISDN = 20,
+	/** for Route Through */
+	RR_TYPE_RT = 21,
+	/** for NSAP address, NSAP style A record */
+	RR_TYPE_NSAP = 22,
+	/** for domain name pointer, NSAP style  */
+	RR_TYPE_NSAP_PTR = 23,
+	/** for security signature */
+	RR_TYPE_SIG = 24,
+	/** for security key */
+	RR_TYPE_KEY = 25,
+	/** X.400 mail mapping information  */
+	RR_TYPE_PX = 26,
+	/**  Geographical Position  */
+	RR_TYPE_GPOS = 27,
+	/** ipv6 address */
+	RR_TYPE_AAAA = 28,
+	/** Location Information  */
+	RR_TYPE_LOC = 29,
+	/** Next Domain (OBSOLETE) */
+	RR_TYPE_NXT = 30,
+	/** Endpoint Identifier  */
+	RR_TYPE_EID = 31,
+	/** Nimrod Locator */
+	RR_TYPE_NIMLOC = 32,
+	/** Server Selection */
+	RR_TYPE_SRV = 33,
+	/** ATM Address */
+	RR_TYPE_ATMA = 34,
+	/** Naming Authority Pointer */
+	RR_TYPE_NAPTR = 35,
+	/** Key Exchanger */
+	RR_TYPE_KX = 36,
+	/** CERT */
+	RR_TYPE_CERT = 37,
+	/** A6 (OBSOLETE - use AAAA) */
+	RR_TYPE_A6 = 38,
+	/** DNAME */
+	RR_TYPE_DNAME = 39,
+	/** SINK */
+	RR_TYPE_SINK = 40,
+	/** OPT */
+	RR_TYPE_OPT = 41,
+	/** APL */
+	RR_TYPE_APL = 42,
+	/** Delegation Signer */
+	RR_TYPE_DS = 43,
+	/** SSH Key Fingerprint */
+	RR_TYPE_SSHFP = 44,
+	/** IPSECKEY */
+	RR_TYPE_IPSECKEY = 45,
+	/** RRSIG */
+	RR_TYPE_RRSIG = 46,
+	/** NSEC */
+	RR_TYPE_NSEC = 47,
+	/** DNSKEY */
+	RR_TYPE_DNSKEY = 48,
+	/** DHCID */
+	RR_TYPE_DHCID = 49,
+	/** NSEC3 */
+	RR_TYPE_NSEC3 = 50,
+	/** NSEC3PARAM */
+	RR_TYPE_NSEC3PARAM = 51,
+
+	/** Unassigned   52-54 */
+
+	/** Host Identity Protocol */
+	RR_TYPE_HIP =  55,
+	/** NINFO */
+	RR_TYPE_NINFO = 56,
+	/** RKEY */
+	RR_TYPE_RKEY = 57,
+	/** Trust Anchor LINK */
+	RR_TYPE_TALINK = 58,
+	/** Child DS */
+	RR_TYPE_CDS = 59,
+
+	/** Unassigned   60-98 */
+
+	/** SPF */
+	RR_TYPE_SPF = 99,
+	/** UINFO */
+	RR_TYPE_UINFO = 100,
+	/** UID */
+	RR_TYPE_UID = 101,
+	/** GID */
+	RR_TYPE_GID = 102,
+	/** UNSPEC */
+	RR_TYPE_UNSPEC = 103,
+
+	/** Unassigned   104-248 */
+
+	/** Transaction Key */
+	RR_TYPE_TKEY = 249,
+	/** Transaction Signature */
+	RR_TYPE_TSIG = 250,
+	/** incremental transfer */
+	RR_TYPE_IXFR = 251,
+	/** transfer of an entire zone */
+	RR_TYPE_AXFR = 252,
+	/** mailbox-related RRs (MB, MG or MR) */
+	RR_TYPE_MAILB = 253,
+	/** mail agent RRs (OBSOLETE - see MX) */
+	RR_TYPE_MAILA = 254,
+	/** A request for all records */
+	RR_TYPE_ANY = 255,
+	/** URI */
+	RR_TYPE_URI = 256,
+	/** Certification Authority Authorization */
+	RR_TYPE_CAA = 257,
+
+	/** Unassigned   258-32767 */
+
+	/** DNSSEC Trust Authorities */
+	RR_TYPE_TA = 32768,
+	/** DNSSEC Lookaside Validation */
+	RR_TYPE_DLV = 32769,
+
+	/** Unassigned   32770-65279 */
+
+	/** Private use  65280-65534 */
+
+	/** Reserved     65535 */
+};
+
+
+/**
+ * Resource Record CLASSes
+ */
+enum rr_class_t {
+	/** Internet */
+	RR_CLASS_IN = 1,
+	/** Chaos */
+	RR_CLASS_CH = 3,
+	/** Hesiod */
+	RR_CLASS_HS = 4,
+	/** further CLASSes: http://wwwiana.org/assignments/dns-parameters */
+};
+
+
+/**
+ * A DNS Resource Record.
+ *
+ * Represents a Resource Record of the Domain Name System
+ * as defined in RFC 1035.
+ *
+ */
+struct rr_t {
+
+	/**
+	 * Get the NAME of the owner of this RR.
+	 *
+	 * @return			owner name as string
+	 */
+	char *(*get_name)(rr_t *this);
+
+	/**
+	 * Get the type of this RR.
+	 *
+	 * @return			RR type
+	 */
+	rr_type_t (*get_type)(rr_t *this);
+
+	/**
+	 * Get the class of this RR.
+	 *
+	 * @return			RR class
+	 */
+	rr_class_t (*get_class)(rr_t *this);
+
+	/**
+	 * Get the Time to Live (TTL) of this RR.
+	 *
+	 * @return			Time to Live
+	 */
+	uint32_t (*get_ttl)(rr_t *this);
+
+	/**
+	 * Get the content of the RDATA field as chunk.
+	 *
+	 * The data pointed by the chunk is still owned by the RR.
+	 * Clone it if needed.
+	 *
+	 * @return			RDATA field as chunk
+	 */
+	chunk_t (*get_rdata)(rr_t *this);
+
+	/**
+	 * Destroy the Resource Record.
+	 */
+	void (*destroy) (rr_t *this);
+};
+
+#endif /** RR_H_ @}*/