#ifndef foorrhfoo
#define foorrhfoo
-/* $Id$ */
-
/***
This file is part of avahi.
-
+
avahi is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
-
+
avahi 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 Lesser General
Public License for more details.
-
+
You should have received a copy of the GNU Lesser General Public
License along with avahi; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
USA.
***/
-#include <glib.h>
+/** \file rr.h Functions and definitions for manipulating DNS resource record (RR) data. */
+
+#include <inttypes.h>
+#include <sys/types.h>
#include <avahi-common/strlst.h>
#include <avahi-common/address.h>
#include <avahi-common/cdecl.h>
-/** \file rr.h Functions and definitions for manipulating DNS resource record (RR) data. */
-
AVAHI_C_DECL_BEGIN
-/** DNS record types, see RFC 1035 */
+/** DNS record types, see RFC 1035, in addition to those defined in defs.h */
enum {
- AVAHI_DNS_TYPE_A = 0x01,
- AVAHI_DNS_TYPE_NS = 0x02,
- AVAHI_DNS_TYPE_CNAME = 0x05,
- AVAHI_DNS_TYPE_SOA = 0x06,
- AVAHI_DNS_TYPE_PTR = 0x0C,
- AVAHI_DNS_TYPE_HINFO = 0x0D,
- AVAHI_DNS_TYPE_MX = 0x0F,
- AVAHI_DNS_TYPE_TXT = 0x10,
- AVAHI_DNS_TYPE_AAAA = 0x1C,
- AVAHI_DNS_TYPE_SRV = 0x21,
- AVAHI_DNS_TYPE_ANY = 0xFF /**< Special query type for requesting all records */
+ AVAHI_DNS_TYPE_ANY = 0xFF, /**< Special query type for requesting all records */
+ AVAHI_DNS_TYPE_OPT = 41, /**< EDNS0 option */
+ AVAHI_DNS_TYPE_TKEY = 249,
+ AVAHI_DNS_TYPE_TSIG = 250,
+ AVAHI_DNS_TYPE_IXFR = 251,
+ AVAHI_DNS_TYPE_AXFR = 252
};
-/** DNS record classes, see RFC 1035 */
+/** DNS record classes, see RFC 1035, in addition to those defined in defs.h */
enum {
- AVAHI_DNS_CLASS_IN = 0x01, /**< Probably the only class we will ever use */
AVAHI_DNS_CLASS_ANY = 0xFF, /**< Special query type for requesting all records */
AVAHI_DNS_CACHE_FLUSH = 0x8000, /**< Not really a class but a bit which may be set in response packets, see mDNS spec for more information */
AVAHI_DNS_UNICAST_RESPONSE = 0x8000 /**< Not really a class but a bit which may be set in query packets, see mDNS spec for more information */
};
-/** The default TTL for RRs which contain a host name of some kind. */
-#define AVAHI_DEFAULT_TTL_HOST_NAME (120)
-
-/** The default TTL for all other records. */
-#define AVAHI_DEFAULT_TTL (75*60)
-
/** Encapsulates a DNS query key consisting of class, type and
name. Use avahi_key_ref()/avahi_key_unref() for manipulating the
reference counter. The structure is intended to be treated as "immutable", no
changes should be imposed after creation */
-typedef struct {
- guint ref; /**< Reference counter */
- gchar *name; /**< Record name */
- guint16 clazz; /**< Record class, one of the AVAHI_DNS_CLASS_xxx constants */
- guint16 type; /**< Record type, one of the AVAHI_DNS_TYPE_xxx constants */
+typedef struct AvahiKey {
+ int ref; /**< Reference counter */
+ char *name; /**< Record name */
+ uint16_t clazz; /**< Record class, one of the AVAHI_DNS_CLASS_xxx constants */
+ uint16_t type; /**< Record type, one of the AVAHI_DNS_TYPE_xxx constants */
} AvahiKey;
/** Encapsulates a DNS resource record. The structure is intended to
* be treated as "immutable", no changes should be imposed after
* creation. */
-typedef struct {
- guint ref; /**< Reference counter */
- AvahiKey *key; /**< Reference to the query key of thsi record */
-
- guint32 ttl; /**< DNS TTL of this record */
+typedef struct AvahiRecord {
+ int ref; /**< Reference counter */
+ AvahiKey *key; /**< Reference to the query key of this record */
+
+ uint32_t ttl; /**< DNS TTL of this record */
union {
-
+
struct {
- gpointer data;
- guint16 size;
+ void* data;
+ uint16_t size;
} generic; /**< Generic record data for unknown types */
-
+
struct {
- guint16 priority;
- guint16 weight;
- guint16 port;
- gchar *name;
+ uint16_t priority;
+ uint16_t weight;
+ uint16_t port;
+ char *name;
} srv; /**< Data for SRV records */
struct {
- gchar *name;
- } ptr; /**< Data for PTR an CNAME records */
+ char *name;
+ } ptr, ns, cname; /**< Data for PTR, NS and CNAME records */
struct {
- gchar *cpu;
- gchar *os;
+ char *cpu;
+ char *os;
} hinfo; /**< Data for HINFO records */
struct {
} aaaa; /**< Data for AAAA records */
} data; /**< Record data */
-
+
} AvahiRecord;
/** Create a new AvahiKey object. The reference counter will be set to 1. */
-AvahiKey *avahi_key_new(const gchar *name, guint16 clazz, guint16 type);
+AvahiKey *avahi_key_new(const char *name, uint16_t clazz, uint16_t type);
/** Increase the reference counter of an AvahiKey object by one */
AvahiKey *avahi_key_ref(AvahiKey *k);
/** Check whether two AvahiKey object contain the same
* data. AVAHI_DNS_CLASS_ANY/AVAHI_DNS_TYPE_ANY are treated like any
* other class/type. */
-gboolean avahi_key_equal(const AvahiKey *a, const AvahiKey *b);
-
-/** Match a key to a key pattern. The pattern has a type of
-AVAHI_DNS_CLASS_ANY, the classes are taken to be equal. Same for the
-type. If the pattern has neither class nor type with ANY constants,
-this function is identical to avahi_key_equal(). In contrast to
-avahi_equal() this function is not commutative. */
-gboolean avahi_key_pattern_match(const AvahiKey *pattern, const AvahiKey *k);
-
-/** Check whether a key is a pattern key, i.e. the class/type has a
- * value of AVAHI_DNS_CLASS_ANY/AVAHI_DNS_TYPE_ANY */
-gboolean avahi_key_is_pattern(const AvahiKey *k);
+int avahi_key_equal(const AvahiKey *a, const AvahiKey *b);
/** Return a numeric hash value for a key for usage in hash tables. */
-guint avahi_key_hash(const AvahiKey *k);
+unsigned avahi_key_hash(const AvahiKey *k);
/** Create a new record object. Record data should be filled in right after creation. The reference counter is set to 1. */
-AvahiRecord *avahi_record_new(AvahiKey *k, guint32 ttl);
+AvahiRecord *avahi_record_new(AvahiKey *k, uint32_t ttl);
/** Create a new record object. Record data should be filled in right after creation. The reference counter is set to 1. */
-AvahiRecord *avahi_record_new_full(const gchar *name, guint16 clazz, guint16 type, guint32 ttl);
+AvahiRecord *avahi_record_new_full(const char *name, uint16_t clazz, uint16_t type, uint32_t ttl);
/** Increase the reference counter of an AvahiRecord by one. */
AvahiRecord *avahi_record_ref(AvahiRecord *r);
/** Return a textual representation of the specified DNS class. The
* returned pointer points to a read only internal string. */
-const gchar *avahi_dns_class_to_string(guint16 clazz);
+const char *avahi_dns_class_to_string(uint16_t clazz);
/** Return a textual representation of the specified DNS class. The
* returned pointer points to a read only internal string. */
-const gchar *avahi_dns_type_to_string(guint16 type);
+const char *avahi_dns_type_to_string(uint16_t type);
-/** Create a textual representation of the specified key. g_free() the
+/** Create a textual representation of the specified key. avahi_free() the
* result! */
-gchar *avahi_key_to_string(const AvahiKey *k);
+char *avahi_key_to_string(const AvahiKey *k);
/** Create a textual representation of the specified record, similar
- * in style to BIND zone file data. g_free() the result! */
-gchar *avahi_record_to_string(const AvahiRecord *r);
+ * in style to BIND zone file data. avahi_free() the result! */
+char *avahi_record_to_string(const AvahiRecord *r);
/** Check whether two records are equal (regardless of the TTL */
-gboolean avahi_record_equal_no_ttl(const AvahiRecord *a, const AvahiRecord *b);
-
-/** Make a deep copy of an AvahiRecord object */
-AvahiRecord *avahi_record_copy(AvahiRecord *r);
+int avahi_record_equal_no_ttl(const AvahiRecord *a, const AvahiRecord *b);
-/** Returns a maximum estimate for the space that is needed to store
- * this key in a DNS packet. */
-guint avahi_key_get_estimate_size(AvahiKey *k);
+/** Check whether the specified key is valid */
+int avahi_key_is_valid(AvahiKey *k);
-/** Returns a maximum estimate for the space that is needed to store
- * the record in a DNS packet. */
-guint avahi_record_get_estimate_size(AvahiRecord *r);
+/** Check whether the specified record is valid */
+int avahi_record_is_valid(AvahiRecord *r);
-/** Do a mDNS spec conforming lexicographical comparison of the two
- * records. Return a negative value if a < b, a positive if a > b,
- * zero if equal. */
-gint avahi_record_lexicographical_compare(AvahiRecord *a, AvahiRecord *b);
+/** Parse a binary rdata object and fill it into *record. This function is actually implemented in dns.c */
+int avahi_rdata_parse(AvahiRecord *record, const void* rdata, size_t size);
-/** Return TRUE if the specified record is an mDNS goodbye record. i.e. TTL is zero. */
-gboolean avahi_record_is_goodbye(AvahiRecord *r);
+/** Serialize an AvahiRecord object into binary rdata. This function is actually implemented in dns.c */
+size_t avahi_rdata_serialize(AvahiRecord *record, void *rdata, size_t max_size);
-/** Check whether the specified key is valid */
-gboolean avahi_key_valid(AvahiKey *k);
-
-/** Check whether the specified record is valid */
-gboolean avahi_record_valid(AvahiRecord *r);
+/** Return TRUE if the AvahiRecord object is a link-local A or AAAA address */
+int avahi_record_is_link_local_address(const AvahiRecord *r);
AVAHI_C_DECL_END
projects / catta / blobdiff