strlst.h \
address.h \
alternative.h \
- rr.h \
util.h \
cdecl.h \
defs.h
address.c address.h \
strlst.c strlst.h \
alternative.c alternative.h \
- rr.c rr.h \
util.c util.h \
error.c error.h
libavahi_common_la_CFLAGS = $(AM_CFLAGS)
+++ /dev/null
-/* $Id$ */
-
-/***
- 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.
-***/
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#include <string.h>
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <arpa/inet.h>
-
-#include "util.h"
-#include "rr.h"
-
-AvahiKey *avahi_key_new(const gchar *name, guint16 class, guint16 type) {
- AvahiKey *k;
- g_assert(name);
-
- k = g_new(AvahiKey, 1);
- k->ref = 1;
- k->name = avahi_normalize_name(name);
- k->clazz = class;
- k->type = type;
-
-/* g_message("%p %% ref=1", k); */
-
- return k;
-}
-
-AvahiKey *avahi_key_ref(AvahiKey *k) {
- g_assert(k);
- g_assert(k->ref >= 1);
-
- k->ref++;
-
-/* g_message("%p ++ ref=%i", k, k->ref); */
-
- return k;
-}
-
-void avahi_key_unref(AvahiKey *k) {
- g_assert(k);
- g_assert(k->ref >= 1);
-
-/* g_message("%p -- ref=%i", k, k->ref-1); */
-
- if ((--k->ref) <= 0) {
- g_free(k->name);
- g_free(k);
- }
-}
-
-AvahiRecord *avahi_record_new(AvahiKey *k, guint32 ttl) {
- AvahiRecord *r;
-
- g_assert(k);
-
- r = g_new(AvahiRecord, 1);
- r->ref = 1;
- r->key = avahi_key_ref(k);
-
- memset(&r->data, 0, sizeof(r->data));
-
- r->ttl = ttl != (guint32) -1 ? ttl : AVAHI_DEFAULT_TTL;
-
- return r;
-}
-
-AvahiRecord *avahi_record_new_full(const gchar *name, guint16 class, guint16 type, guint32 ttl) {
- AvahiRecord *r;
- AvahiKey *k;
-
- g_assert(name);
-
- k = avahi_key_new(name, class, type);
- r = avahi_record_new(k, ttl);
- avahi_key_unref(k);
-
- return r;
-}
-
-AvahiRecord *avahi_record_ref(AvahiRecord *r) {
- g_assert(r);
- g_assert(r->ref >= 1);
-
- r->ref++;
- return r;
-}
-
-void avahi_record_unref(AvahiRecord *r) {
- g_assert(r);
- g_assert(r->ref >= 1);
-
- if ((--r->ref) <= 0) {
- switch (r->key->type) {
-
- case AVAHI_DNS_TYPE_SRV:
- g_free(r->data.srv.name);
- break;
-
- case AVAHI_DNS_TYPE_PTR:
- case AVAHI_DNS_TYPE_CNAME:
- g_free(r->data.ptr.name);
- break;
-
- case AVAHI_DNS_TYPE_HINFO:
- g_free(r->data.hinfo.cpu);
- g_free(r->data.hinfo.os);
- break;
-
- case AVAHI_DNS_TYPE_TXT:
- avahi_string_list_free(r->data.txt.string_list);
- break;
-
- case AVAHI_DNS_TYPE_A:
- case AVAHI_DNS_TYPE_AAAA:
- break;
-
- default:
- g_free(r->data.generic.data);
- }
-
- avahi_key_unref(r->key);
- g_free(r);
- }
-}
-
-const gchar *avahi_dns_class_to_string(guint16 class) {
- if (class & AVAHI_DNS_CACHE_FLUSH)
- return "FLUSH";
-
- switch (class) {
- case AVAHI_DNS_CLASS_IN:
- return "IN";
- case AVAHI_DNS_CLASS_ANY:
- return "ANY";
- default:
- return NULL;
- }
-}
-
-const gchar *avahi_dns_type_to_string(guint16 type) {
- switch (type) {
- case AVAHI_DNS_TYPE_CNAME:
- return "CNAME";
- case AVAHI_DNS_TYPE_A:
- return "A";
- case AVAHI_DNS_TYPE_AAAA:
- return "AAAA";
- case AVAHI_DNS_TYPE_PTR:
- return "PTR";
- case AVAHI_DNS_TYPE_HINFO:
- return "HINFO";
- case AVAHI_DNS_TYPE_TXT:
- return "TXT";
- case AVAHI_DNS_TYPE_SRV:
- return "SRV";
- case AVAHI_DNS_TYPE_ANY:
- return "ANY";
- default:
- return NULL;
- }
-}
-
-gchar *avahi_key_to_string(const AvahiKey *k) {
- g_assert(k);
- g_assert(k->ref >= 1);
-
- return g_strdup_printf("%s\t%s\t%s",
- k->name,
- avahi_dns_class_to_string(k->clazz),
- avahi_dns_type_to_string(k->type));
-}
-
-gchar *avahi_record_to_string(const AvahiRecord *r) {
- gchar *p, *s;
- char buf[257], *t = NULL, *d = NULL;
-
- g_assert(r);
- g_assert(r->ref >= 1);
-
- switch (r->key->type) {
- case AVAHI_DNS_TYPE_A:
- inet_ntop(AF_INET, &r->data.a.address.address, t = buf, sizeof(buf));
- break;
-
- case AVAHI_DNS_TYPE_AAAA:
- inet_ntop(AF_INET6, &r->data.aaaa.address.address, t = buf, sizeof(buf));
- break;
-
- case AVAHI_DNS_TYPE_PTR:
- case AVAHI_DNS_TYPE_CNAME :
-
- t = r->data.ptr.name;
- break;
-
- case AVAHI_DNS_TYPE_TXT:
- t = d = avahi_string_list_to_string(r->data.txt.string_list);
- break;
-
- case AVAHI_DNS_TYPE_HINFO:
-
- snprintf(t = buf, sizeof(buf), "\"%s\" \"%s\"", r->data.hinfo.cpu, r->data.hinfo.os);
- break;
-
- case AVAHI_DNS_TYPE_SRV:
-
- snprintf(t = buf, sizeof(buf), "%u %u %u %s",
- r->data.srv.priority,
- r->data.srv.weight,
- r->data.srv.port,
- r->data.srv.name);
-
- break;
- }
-
- p = avahi_key_to_string(r->key);
- s = g_strdup_printf("%s %s ; ttl=%u", p, t ? t : "<unparsable>", r->ttl);
- g_free(p);
- g_free(d);
-
- return s;
-}
-
-gboolean avahi_key_equal(const AvahiKey *a, const AvahiKey *b) {
- g_assert(a);
- g_assert(b);
-
- if (a == b)
- return TRUE;
-
-/* g_message("equal: %p %p", a, b); */
-
- return avahi_domain_equal(a->name, b->name) &&
- a->type == b->type &&
- a->clazz == b->clazz;
-}
-
-gboolean avahi_key_pattern_match(const AvahiKey *pattern, const AvahiKey *k) {
- g_assert(pattern);
- g_assert(k);
-
-/* g_message("equal: %p %p", a, b); */
-
- g_assert(!avahi_key_is_pattern(k));
-
- if (pattern == k)
- return TRUE;
-
- return avahi_domain_equal(pattern->name, k->name) &&
- (pattern->type == k->type || pattern->type == AVAHI_DNS_TYPE_ANY) &&
- (pattern->clazz == k->clazz || pattern->clazz == AVAHI_DNS_CLASS_ANY);
-}
-
-gboolean avahi_key_is_pattern(const AvahiKey *k) {
- g_assert(k);
-
- return
- k->type == AVAHI_DNS_TYPE_ANY ||
- k->clazz == AVAHI_DNS_CLASS_ANY;
-}
-
-guint avahi_key_hash(const AvahiKey *k) {
- g_assert(k);
-
- return
- avahi_domain_hash(k->name) +
- k->type +
- k->clazz;
-}
-
-static gboolean rdata_equal(const AvahiRecord *a, const AvahiRecord *b) {
- g_assert(a);
- g_assert(b);
- g_assert(a->key->type == b->key->type);
-
-/* t = avahi_record_to_string(a); */
-/* g_message("comparing %s", t); */
-/* g_free(t); */
-
-/* t = avahi_record_to_string(b); */
-/* g_message("and %s", t); */
-/* g_free(t); */
-
-
- switch (a->key->type) {
- case AVAHI_DNS_TYPE_SRV:
- return
- a->data.srv.priority == b->data.srv.priority &&
- a->data.srv.weight == b->data.srv.weight &&
- a->data.srv.port == b->data.srv.port &&
- avahi_domain_equal(a->data.srv.name, b->data.srv.name);
-
- case AVAHI_DNS_TYPE_PTR:
- case AVAHI_DNS_TYPE_CNAME:
- return avahi_domain_equal(a->data.ptr.name, b->data.ptr.name);
-
- case AVAHI_DNS_TYPE_HINFO:
- return
- !strcmp(a->data.hinfo.cpu, b->data.hinfo.cpu) &&
- !strcmp(a->data.hinfo.os, b->data.hinfo.os);
-
- case AVAHI_DNS_TYPE_TXT:
- return avahi_string_list_equal(a->data.txt.string_list, b->data.txt.string_list);
-
- case AVAHI_DNS_TYPE_A:
- return memcmp(&a->data.a.address, &b->data.a.address, sizeof(AvahiIPv4Address)) == 0;
-
- case AVAHI_DNS_TYPE_AAAA:
- return memcmp(&a->data.aaaa.address, &b->data.aaaa.address, sizeof(AvahiIPv6Address)) == 0;
-
- default:
- return a->data.generic.size == b->data.generic.size &&
- (a->data.generic.size == 0 || memcmp(a->data.generic.data, b->data.generic.data, a->data.generic.size) == 0);
- }
-
-}
-
-gboolean avahi_record_equal_no_ttl(const AvahiRecord *a, const AvahiRecord *b) {
- g_assert(a);
- g_assert(b);
-
- if (a == b)
- return TRUE;
-
- return
- avahi_key_equal(a->key, b->key) &&
- rdata_equal(a, b);
-}
-
-
-AvahiRecord *avahi_record_copy(AvahiRecord *r) {
- AvahiRecord *copy;
-
- copy = g_new(AvahiRecord, 1);
- copy->ref = 1;
- copy->key = avahi_key_ref(r->key);
- copy->ttl = r->ttl;
-
- switch (r->key->type) {
- case AVAHI_DNS_TYPE_PTR:
- case AVAHI_DNS_TYPE_CNAME:
- copy->data.ptr.name = g_strdup(r->data.ptr.name);
- break;
-
- case AVAHI_DNS_TYPE_SRV:
- copy->data.srv.priority = r->data.srv.priority;
- copy->data.srv.weight = r->data.srv.weight;
- copy->data.srv.port = r->data.srv.port;
- copy->data.srv.name = g_strdup(r->data.srv.name);
- break;
-
- case AVAHI_DNS_TYPE_HINFO:
- copy->data.hinfo.os = g_strdup(r->data.hinfo.os);
- copy->data.hinfo.cpu = g_strdup(r->data.hinfo.cpu);
- break;
-
- case AVAHI_DNS_TYPE_TXT:
- copy->data.txt.string_list = avahi_string_list_copy(r->data.txt.string_list);
- break;
-
- case AVAHI_DNS_TYPE_A:
- copy->data.a.address = r->data.a.address;
- break;
-
- case AVAHI_DNS_TYPE_AAAA:
- copy->data.aaaa.address = r->data.aaaa.address;
- break;
-
- default:
- copy->data.generic.data = g_memdup(r->data.generic.data, r->data.generic.size);
- copy->data.generic.size = r->data.generic.size;
- break;
-
- }
-
- return copy;
-}
-
-
-guint avahi_key_get_estimate_size(AvahiKey *k) {
- g_assert(k);
-
- return strlen(k->name)+1+4;
-}
-
-guint avahi_record_get_estimate_size(AvahiRecord *r) {
- guint n;
- g_assert(r);
-
- n = avahi_key_get_estimate_size(r->key) + 4 + 2;
-
- switch (r->key->type) {
- case AVAHI_DNS_TYPE_PTR:
- case AVAHI_DNS_TYPE_CNAME:
- n += strlen(r->data.ptr.name) + 1;
- break;
-
- case AVAHI_DNS_TYPE_SRV:
- n += 6 + strlen(r->data.srv.name) + 1;
- break;
-
- case AVAHI_DNS_TYPE_HINFO:
- n += strlen(r->data.hinfo.os) + 1 + strlen(r->data.hinfo.cpu) + 1;
- break;
-
- case AVAHI_DNS_TYPE_TXT:
- n += avahi_string_list_serialize(r->data.txt.string_list, NULL, 0);
- break;
-
- case AVAHI_DNS_TYPE_A:
- n += sizeof(AvahiIPv4Address);
- break;
-
- case AVAHI_DNS_TYPE_AAAA:
- n += sizeof(AvahiIPv6Address);
- break;
-
- default:
- n += r->data.generic.size;
- }
-
- return n;
-}
-
-static gint lexicographical_memcmp(gconstpointer a, size_t al, gconstpointer b, size_t bl) {
- size_t c;
- gint ret;
-
- g_assert(a);
- g_assert(b);
-
- c = al < bl ? al : bl;
- if ((ret = memcmp(a, b, c)))
- return ret;
-
- if (al == bl)
- return 0;
- else
- return al == c ? 1 : -1;
-}
-
-static gint uint16_cmp(guint16 a, guint16 b) {
- return a == b ? 0 : (a < b ? -1 : 1);
-}
-
-gint avahi_record_lexicographical_compare(AvahiRecord *a, AvahiRecord *b) {
- gint r;
-/* gchar *t1, *t2; */
-
- g_assert(a);
- g_assert(b);
-
-/* t1 = avahi_record_to_string(a); */
-/* t2 = avahi_record_to_string(b); */
-/* g_message("lexicocmp: %s %s", t1, t2); */
-/* g_free(t1); */
-/* g_free(t2); */
-
- if (a == b)
- return 0;
-
- if ((r = uint16_cmp(a->key->clazz, b->key->clazz)) ||
- (r = uint16_cmp(a->key->type, b->key->type)))
- return r;
-
- switch (a->key->type) {
-
- case AVAHI_DNS_TYPE_PTR:
- case AVAHI_DNS_TYPE_CNAME:
- return avahi_binary_domain_cmp(a->data.ptr.name, b->data.ptr.name);
-
- case AVAHI_DNS_TYPE_SRV: {
- if ((r = uint16_cmp(a->data.srv.priority, b->data.srv.priority)) == 0 &&
- (r = uint16_cmp(a->data.srv.weight, b->data.srv.weight)) == 0 &&
- (r = uint16_cmp(a->data.srv.port, b->data.srv.port)) == 0)
- r = avahi_binary_domain_cmp(a->data.srv.name, b->data.srv.name);
-
- return r;
- }
-
- case AVAHI_DNS_TYPE_HINFO: {
-
- if ((r = strcmp(a->data.hinfo.cpu, b->data.hinfo.cpu)) ||
- (r = strcmp(a->data.hinfo.os, b->data.hinfo.os)))
- return r;
-
- return 0;
-
- }
-
- case AVAHI_DNS_TYPE_TXT: {
-
- guint8 *ma, *mb;
- guint asize, bsize;
-
- ma = g_new(guint8, asize = avahi_string_list_serialize(a->data.txt.string_list, NULL, 0));
- mb = g_new(guint8, bsize = avahi_string_list_serialize(b->data.txt.string_list, NULL, 0));
- avahi_string_list_serialize(a->data.txt.string_list, ma, asize);
- avahi_string_list_serialize(b->data.txt.string_list, mb, bsize);
-
- if (asize && bsize)
- r = lexicographical_memcmp(ma, asize, mb, bsize);
- else if (asize && !bsize)
- r = 1;
- else if (!asize && bsize)
- r = -1;
- else
- r = 0;
-
- g_free(ma);
- g_free(mb);
-
- return r;
- }
-
- case AVAHI_DNS_TYPE_A:
- return memcmp(&a->data.a.address, &b->data.a.address, sizeof(AvahiIPv4Address));
-
- case AVAHI_DNS_TYPE_AAAA:
- return memcmp(&a->data.aaaa.address, &b->data.aaaa.address, sizeof(AvahiIPv6Address));
-
- default:
- return lexicographical_memcmp(a->data.generic.data, a->data.generic.size,
- b->data.generic.data, b->data.generic.size);
- }
-
-}
-
-gboolean avahi_record_is_goodbye(AvahiRecord *r) {
- g_assert(r);
-
- return r->ttl == 0;
-}
-
-gboolean avahi_key_valid(AvahiKey *k) {
- g_assert(k);
-
- if (!avahi_valid_domain_name(k->name))
- return FALSE;
-
- return TRUE;
-}
-
-gboolean avahi_record_valid(AvahiRecord *r) {
- g_assert(r);
-
- if (!avahi_key_valid(r->key))
- return FALSE;
-
- switch (r->key->type) {
-
- case AVAHI_DNS_TYPE_PTR:
- case AVAHI_DNS_TYPE_CNAME:
- return avahi_valid_domain_name(r->data.ptr.name);
-
- case AVAHI_DNS_TYPE_SRV:
- return avahi_valid_domain_name(r->data.srv.name);
-
- case AVAHI_DNS_TYPE_HINFO:
- return
- strlen(r->data.hinfo.os) <= 255 &&
- strlen(r->data.hinfo.cpu) <= 255;
-
-
- case AVAHI_DNS_TYPE_TXT: {
-
- AvahiStringList *strlst;
-
- for (strlst = r->data.txt.string_list; strlst; strlst = strlst->next)
- if (strlst->size > 255)
- return FALSE;
-
- return TRUE;
- }
- }
-
-
- return TRUE;
-}
+++ /dev/null
-#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>
-
-#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 */
-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 */
-};
-
-/** DNS record classes, see RFC 1035 */
-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 */
-} 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 */
-
- union {
-
- struct {
- gpointer data;
- guint16 size;
- } generic; /**< Generic record data for unknown types */
-
- struct {
- guint16 priority;
- guint16 weight;
- guint16 port;
- gchar *name;
- } srv; /**< Data for SRV records */
-
- struct {
- gchar *name;
- } ptr; /**< Data for PTR an CNAME records */
-
- struct {
- gchar *cpu;
- gchar *os;
- } hinfo; /**< Data for HINFO records */
-
- struct {
- AvahiStringList *string_list;
- } txt; /**< Data for TXT records */
-
- struct {
- AvahiIPv4Address address;
- } a; /**< Data for A records */
-
- struct {
- AvahiIPv6Address address;
- } 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);
-
-/** Increase the reference counter of an AvahiKey object by one */
-AvahiKey *avahi_key_ref(AvahiKey *k);
-
-/** Decrease the reference counter of an AvahiKey object by one */
-void avahi_key_unref(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);
-
-/** Return a numeric hash value for a key for usage in hash tables. */
-guint 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);
-
-/** 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);
-
-/** Increase the reference counter of an AvahiRecord by one. */
-AvahiRecord *avahi_record_ref(AvahiRecord *r);
-
-/** Decrease the reference counter of an AvahiRecord by one. */
-void avahi_record_unref(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);
-
-/** 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);
-
-/** Create a textual representation of the specified key. g_free() the
- * result! */
-gchar *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);
-
-/** 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);
-
-/** 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);
-
-/** 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);
-
-/** 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);
-
-/** Return TRUE if the specified record is an mDNS goodbye record. i.e. TTL is zero. */
-gboolean avahi_record_is_goodbye(AvahiRecord *r);
-
-/** 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);
-
-AVAHI_C_DECL_END
-
-#endif
avahiinclude_HEADERS = \
core.h \
- log.h
+ log.h \
+ rr.h
lib_LTLIBRARIES = \
libavahi-core.la
browse-service.c \
resolve-service.c \
dns.c dns.h \
+ rr.c rr.h \
core.h \
log.c log.h \
browse-dns-server.c
dns_test_SOURCES = \
dns.c dns.h \
dns-test.c \
- log.c log.h
+ log.c log.h \
+ rr.c rr.h
dns_test_CFLAGS = $(AM_CFLAGS)
dns_test_LDADD = $(AM_LDADD) $(COMMON_LDADD)
* services using an embedded mDNS stack. */
#include <avahi-common/cdecl.h>
-#include <avahi-common/defs.h>
#ifndef DOXYGEN_SHOULD_SKIP_THIS
AVAHI_C_DECL_BEGIN
AVAHI_C_DECL_END
#endif
+#include <avahi-core/rr.h>
#include <avahi-common/address.h>
-#include <avahi-common/rr.h>
#include <avahi-common/alternative.h>
#include <avahi-common/error.h>
+#include <avahi-common/defs.h>
#ifndef DOXYGEN_SHOULD_SKIP_THIS
AVAHI_C_DECL_BEGIN
--- /dev/null
+/* $Id$ */
+
+/***
+ 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.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <string.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <arpa/inet.h>
+
+#include "util.h"
+#include "rr.h"
+
+AvahiKey *avahi_key_new(const gchar *name, guint16 class, guint16 type) {
+ AvahiKey *k;
+ g_assert(name);
+
+ k = g_new(AvahiKey, 1);
+ k->ref = 1;
+ k->name = avahi_normalize_name(name);
+ k->clazz = class;
+ k->type = type;
+
+/* g_message("%p %% ref=1", k); */
+
+ return k;
+}
+
+AvahiKey *avahi_key_ref(AvahiKey *k) {
+ g_assert(k);
+ g_assert(k->ref >= 1);
+
+ k->ref++;
+
+/* g_message("%p ++ ref=%i", k, k->ref); */
+
+ return k;
+}
+
+void avahi_key_unref(AvahiKey *k) {
+ g_assert(k);
+ g_assert(k->ref >= 1);
+
+/* g_message("%p -- ref=%i", k, k->ref-1); */
+
+ if ((--k->ref) <= 0) {
+ g_free(k->name);
+ g_free(k);
+ }
+}
+
+AvahiRecord *avahi_record_new(AvahiKey *k, guint32 ttl) {
+ AvahiRecord *r;
+
+ g_assert(k);
+
+ r = g_new(AvahiRecord, 1);
+ r->ref = 1;
+ r->key = avahi_key_ref(k);
+
+ memset(&r->data, 0, sizeof(r->data));
+
+ r->ttl = ttl != (guint32) -1 ? ttl : AVAHI_DEFAULT_TTL;
+
+ return r;
+}
+
+AvahiRecord *avahi_record_new_full(const gchar *name, guint16 class, guint16 type, guint32 ttl) {
+ AvahiRecord *r;
+ AvahiKey *k;
+
+ g_assert(name);
+
+ k = avahi_key_new(name, class, type);
+ r = avahi_record_new(k, ttl);
+ avahi_key_unref(k);
+
+ return r;
+}
+
+AvahiRecord *avahi_record_ref(AvahiRecord *r) {
+ g_assert(r);
+ g_assert(r->ref >= 1);
+
+ r->ref++;
+ return r;
+}
+
+void avahi_record_unref(AvahiRecord *r) {
+ g_assert(r);
+ g_assert(r->ref >= 1);
+
+ if ((--r->ref) <= 0) {
+ switch (r->key->type) {
+
+ case AVAHI_DNS_TYPE_SRV:
+ g_free(r->data.srv.name);
+ break;
+
+ case AVAHI_DNS_TYPE_PTR:
+ case AVAHI_DNS_TYPE_CNAME:
+ g_free(r->data.ptr.name);
+ break;
+
+ case AVAHI_DNS_TYPE_HINFO:
+ g_free(r->data.hinfo.cpu);
+ g_free(r->data.hinfo.os);
+ break;
+
+ case AVAHI_DNS_TYPE_TXT:
+ avahi_string_list_free(r->data.txt.string_list);
+ break;
+
+ case AVAHI_DNS_TYPE_A:
+ case AVAHI_DNS_TYPE_AAAA:
+ break;
+
+ default:
+ g_free(r->data.generic.data);
+ }
+
+ avahi_key_unref(r->key);
+ g_free(r);
+ }
+}
+
+const gchar *avahi_dns_class_to_string(guint16 class) {
+ if (class & AVAHI_DNS_CACHE_FLUSH)
+ return "FLUSH";
+
+ switch (class) {
+ case AVAHI_DNS_CLASS_IN:
+ return "IN";
+ case AVAHI_DNS_CLASS_ANY:
+ return "ANY";
+ default:
+ return NULL;
+ }
+}
+
+const gchar *avahi_dns_type_to_string(guint16 type) {
+ switch (type) {
+ case AVAHI_DNS_TYPE_CNAME:
+ return "CNAME";
+ case AVAHI_DNS_TYPE_A:
+ return "A";
+ case AVAHI_DNS_TYPE_AAAA:
+ return "AAAA";
+ case AVAHI_DNS_TYPE_PTR:
+ return "PTR";
+ case AVAHI_DNS_TYPE_HINFO:
+ return "HINFO";
+ case AVAHI_DNS_TYPE_TXT:
+ return "TXT";
+ case AVAHI_DNS_TYPE_SRV:
+ return "SRV";
+ case AVAHI_DNS_TYPE_ANY:
+ return "ANY";
+ default:
+ return NULL;
+ }
+}
+
+gchar *avahi_key_to_string(const AvahiKey *k) {
+ g_assert(k);
+ g_assert(k->ref >= 1);
+
+ return g_strdup_printf("%s\t%s\t%s",
+ k->name,
+ avahi_dns_class_to_string(k->clazz),
+ avahi_dns_type_to_string(k->type));
+}
+
+gchar *avahi_record_to_string(const AvahiRecord *r) {
+ gchar *p, *s;
+ char buf[257], *t = NULL, *d = NULL;
+
+ g_assert(r);
+ g_assert(r->ref >= 1);
+
+ switch (r->key->type) {
+ case AVAHI_DNS_TYPE_A:
+ inet_ntop(AF_INET, &r->data.a.address.address, t = buf, sizeof(buf));
+ break;
+
+ case AVAHI_DNS_TYPE_AAAA:
+ inet_ntop(AF_INET6, &r->data.aaaa.address.address, t = buf, sizeof(buf));
+ break;
+
+ case AVAHI_DNS_TYPE_PTR:
+ case AVAHI_DNS_TYPE_CNAME :
+
+ t = r->data.ptr.name;
+ break;
+
+ case AVAHI_DNS_TYPE_TXT:
+ t = d = avahi_string_list_to_string(r->data.txt.string_list);
+ break;
+
+ case AVAHI_DNS_TYPE_HINFO:
+
+ snprintf(t = buf, sizeof(buf), "\"%s\" \"%s\"", r->data.hinfo.cpu, r->data.hinfo.os);
+ break;
+
+ case AVAHI_DNS_TYPE_SRV:
+
+ snprintf(t = buf, sizeof(buf), "%u %u %u %s",
+ r->data.srv.priority,
+ r->data.srv.weight,
+ r->data.srv.port,
+ r->data.srv.name);
+
+ break;
+ }
+
+ p = avahi_key_to_string(r->key);
+ s = g_strdup_printf("%s %s ; ttl=%u", p, t ? t : "<unparsable>", r->ttl);
+ g_free(p);
+ g_free(d);
+
+ return s;
+}
+
+gboolean avahi_key_equal(const AvahiKey *a, const AvahiKey *b) {
+ g_assert(a);
+ g_assert(b);
+
+ if (a == b)
+ return TRUE;
+
+/* g_message("equal: %p %p", a, b); */
+
+ return avahi_domain_equal(a->name, b->name) &&
+ a->type == b->type &&
+ a->clazz == b->clazz;
+}
+
+gboolean avahi_key_pattern_match(const AvahiKey *pattern, const AvahiKey *k) {
+ g_assert(pattern);
+ g_assert(k);
+
+/* g_message("equal: %p %p", a, b); */
+
+ g_assert(!avahi_key_is_pattern(k));
+
+ if (pattern == k)
+ return TRUE;
+
+ return avahi_domain_equal(pattern->name, k->name) &&
+ (pattern->type == k->type || pattern->type == AVAHI_DNS_TYPE_ANY) &&
+ (pattern->clazz == k->clazz || pattern->clazz == AVAHI_DNS_CLASS_ANY);
+}
+
+gboolean avahi_key_is_pattern(const AvahiKey *k) {
+ g_assert(k);
+
+ return
+ k->type == AVAHI_DNS_TYPE_ANY ||
+ k->clazz == AVAHI_DNS_CLASS_ANY;
+}
+
+guint avahi_key_hash(const AvahiKey *k) {
+ g_assert(k);
+
+ return
+ avahi_domain_hash(k->name) +
+ k->type +
+ k->clazz;
+}
+
+static gboolean rdata_equal(const AvahiRecord *a, const AvahiRecord *b) {
+ g_assert(a);
+ g_assert(b);
+ g_assert(a->key->type == b->key->type);
+
+/* t = avahi_record_to_string(a); */
+/* g_message("comparing %s", t); */
+/* g_free(t); */
+
+/* t = avahi_record_to_string(b); */
+/* g_message("and %s", t); */
+/* g_free(t); */
+
+
+ switch (a->key->type) {
+ case AVAHI_DNS_TYPE_SRV:
+ return
+ a->data.srv.priority == b->data.srv.priority &&
+ a->data.srv.weight == b->data.srv.weight &&
+ a->data.srv.port == b->data.srv.port &&
+ avahi_domain_equal(a->data.srv.name, b->data.srv.name);
+
+ case AVAHI_DNS_TYPE_PTR:
+ case AVAHI_DNS_TYPE_CNAME:
+ return avahi_domain_equal(a->data.ptr.name, b->data.ptr.name);
+
+ case AVAHI_DNS_TYPE_HINFO:
+ return
+ !strcmp(a->data.hinfo.cpu, b->data.hinfo.cpu) &&
+ !strcmp(a->data.hinfo.os, b->data.hinfo.os);
+
+ case AVAHI_DNS_TYPE_TXT:
+ return avahi_string_list_equal(a->data.txt.string_list, b->data.txt.string_list);
+
+ case AVAHI_DNS_TYPE_A:
+ return memcmp(&a->data.a.address, &b->data.a.address, sizeof(AvahiIPv4Address)) == 0;
+
+ case AVAHI_DNS_TYPE_AAAA:
+ return memcmp(&a->data.aaaa.address, &b->data.aaaa.address, sizeof(AvahiIPv6Address)) == 0;
+
+ default:
+ return a->data.generic.size == b->data.generic.size &&
+ (a->data.generic.size == 0 || memcmp(a->data.generic.data, b->data.generic.data, a->data.generic.size) == 0);
+ }
+
+}
+
+gboolean avahi_record_equal_no_ttl(const AvahiRecord *a, const AvahiRecord *b) {
+ g_assert(a);
+ g_assert(b);
+
+ if (a == b)
+ return TRUE;
+
+ return
+ avahi_key_equal(a->key, b->key) &&
+ rdata_equal(a, b);
+}
+
+
+AvahiRecord *avahi_record_copy(AvahiRecord *r) {
+ AvahiRecord *copy;
+
+ copy = g_new(AvahiRecord, 1);
+ copy->ref = 1;
+ copy->key = avahi_key_ref(r->key);
+ copy->ttl = r->ttl;
+
+ switch (r->key->type) {
+ case AVAHI_DNS_TYPE_PTR:
+ case AVAHI_DNS_TYPE_CNAME:
+ copy->data.ptr.name = g_strdup(r->data.ptr.name);
+ break;
+
+ case AVAHI_DNS_TYPE_SRV:
+ copy->data.srv.priority = r->data.srv.priority;
+ copy->data.srv.weight = r->data.srv.weight;
+ copy->data.srv.port = r->data.srv.port;
+ copy->data.srv.name = g_strdup(r->data.srv.name);
+ break;
+
+ case AVAHI_DNS_TYPE_HINFO:
+ copy->data.hinfo.os = g_strdup(r->data.hinfo.os);
+ copy->data.hinfo.cpu = g_strdup(r->data.hinfo.cpu);
+ break;
+
+ case AVAHI_DNS_TYPE_TXT:
+ copy->data.txt.string_list = avahi_string_list_copy(r->data.txt.string_list);
+ break;
+
+ case AVAHI_DNS_TYPE_A:
+ copy->data.a.address = r->data.a.address;
+ break;
+
+ case AVAHI_DNS_TYPE_AAAA:
+ copy->data.aaaa.address = r->data.aaaa.address;
+ break;
+
+ default:
+ copy->data.generic.data = g_memdup(r->data.generic.data, r->data.generic.size);
+ copy->data.generic.size = r->data.generic.size;
+ break;
+
+ }
+
+ return copy;
+}
+
+
+guint avahi_key_get_estimate_size(AvahiKey *k) {
+ g_assert(k);
+
+ return strlen(k->name)+1+4;
+}
+
+guint avahi_record_get_estimate_size(AvahiRecord *r) {
+ guint n;
+ g_assert(r);
+
+ n = avahi_key_get_estimate_size(r->key) + 4 + 2;
+
+ switch (r->key->type) {
+ case AVAHI_DNS_TYPE_PTR:
+ case AVAHI_DNS_TYPE_CNAME:
+ n += strlen(r->data.ptr.name) + 1;
+ break;
+
+ case AVAHI_DNS_TYPE_SRV:
+ n += 6 + strlen(r->data.srv.name) + 1;
+ break;
+
+ case AVAHI_DNS_TYPE_HINFO:
+ n += strlen(r->data.hinfo.os) + 1 + strlen(r->data.hinfo.cpu) + 1;
+ break;
+
+ case AVAHI_DNS_TYPE_TXT:
+ n += avahi_string_list_serialize(r->data.txt.string_list, NULL, 0);
+ break;
+
+ case AVAHI_DNS_TYPE_A:
+ n += sizeof(AvahiIPv4Address);
+ break;
+
+ case AVAHI_DNS_TYPE_AAAA:
+ n += sizeof(AvahiIPv6Address);
+ break;
+
+ default:
+ n += r->data.generic.size;
+ }
+
+ return n;
+}
+
+static gint lexicographical_memcmp(gconstpointer a, size_t al, gconstpointer b, size_t bl) {
+ size_t c;
+ gint ret;
+
+ g_assert(a);
+ g_assert(b);
+
+ c = al < bl ? al : bl;
+ if ((ret = memcmp(a, b, c)))
+ return ret;
+
+ if (al == bl)
+ return 0;
+ else
+ return al == c ? 1 : -1;
+}
+
+static gint uint16_cmp(guint16 a, guint16 b) {
+ return a == b ? 0 : (a < b ? -1 : 1);
+}
+
+gint avahi_record_lexicographical_compare(AvahiRecord *a, AvahiRecord *b) {
+ gint r;
+/* gchar *t1, *t2; */
+
+ g_assert(a);
+ g_assert(b);
+
+/* t1 = avahi_record_to_string(a); */
+/* t2 = avahi_record_to_string(b); */
+/* g_message("lexicocmp: %s %s", t1, t2); */
+/* g_free(t1); */
+/* g_free(t2); */
+
+ if (a == b)
+ return 0;
+
+ if ((r = uint16_cmp(a->key->clazz, b->key->clazz)) ||
+ (r = uint16_cmp(a->key->type, b->key->type)))
+ return r;
+
+ switch (a->key->type) {
+
+ case AVAHI_DNS_TYPE_PTR:
+ case AVAHI_DNS_TYPE_CNAME:
+ return avahi_binary_domain_cmp(a->data.ptr.name, b->data.ptr.name);
+
+ case AVAHI_DNS_TYPE_SRV: {
+ if ((r = uint16_cmp(a->data.srv.priority, b->data.srv.priority)) == 0 &&
+ (r = uint16_cmp(a->data.srv.weight, b->data.srv.weight)) == 0 &&
+ (r = uint16_cmp(a->data.srv.port, b->data.srv.port)) == 0)
+ r = avahi_binary_domain_cmp(a->data.srv.name, b->data.srv.name);
+
+ return r;
+ }
+
+ case AVAHI_DNS_TYPE_HINFO: {
+
+ if ((r = strcmp(a->data.hinfo.cpu, b->data.hinfo.cpu)) ||
+ (r = strcmp(a->data.hinfo.os, b->data.hinfo.os)))
+ return r;
+
+ return 0;
+
+ }
+
+ case AVAHI_DNS_TYPE_TXT: {
+
+ guint8 *ma, *mb;
+ guint asize, bsize;
+
+ ma = g_new(guint8, asize = avahi_string_list_serialize(a->data.txt.string_list, NULL, 0));
+ mb = g_new(guint8, bsize = avahi_string_list_serialize(b->data.txt.string_list, NULL, 0));
+ avahi_string_list_serialize(a->data.txt.string_list, ma, asize);
+ avahi_string_list_serialize(b->data.txt.string_list, mb, bsize);
+
+ if (asize && bsize)
+ r = lexicographical_memcmp(ma, asize, mb, bsize);
+ else if (asize && !bsize)
+ r = 1;
+ else if (!asize && bsize)
+ r = -1;
+ else
+ r = 0;
+
+ g_free(ma);
+ g_free(mb);
+
+ return r;
+ }
+
+ case AVAHI_DNS_TYPE_A:
+ return memcmp(&a->data.a.address, &b->data.a.address, sizeof(AvahiIPv4Address));
+
+ case AVAHI_DNS_TYPE_AAAA:
+ return memcmp(&a->data.aaaa.address, &b->data.aaaa.address, sizeof(AvahiIPv6Address));
+
+ default:
+ return lexicographical_memcmp(a->data.generic.data, a->data.generic.size,
+ b->data.generic.data, b->data.generic.size);
+ }
+
+}
+
+gboolean avahi_record_is_goodbye(AvahiRecord *r) {
+ g_assert(r);
+
+ return r->ttl == 0;
+}
+
+gboolean avahi_key_valid(AvahiKey *k) {
+ g_assert(k);
+
+ if (!avahi_valid_domain_name(k->name))
+ return FALSE;
+
+ return TRUE;
+}
+
+gboolean avahi_record_valid(AvahiRecord *r) {
+ g_assert(r);
+
+ if (!avahi_key_valid(r->key))
+ return FALSE;
+
+ switch (r->key->type) {
+
+ case AVAHI_DNS_TYPE_PTR:
+ case AVAHI_DNS_TYPE_CNAME:
+ return avahi_valid_domain_name(r->data.ptr.name);
+
+ case AVAHI_DNS_TYPE_SRV:
+ return avahi_valid_domain_name(r->data.srv.name);
+
+ case AVAHI_DNS_TYPE_HINFO:
+ return
+ strlen(r->data.hinfo.os) <= 255 &&
+ strlen(r->data.hinfo.cpu) <= 255;
+
+
+ case AVAHI_DNS_TYPE_TXT: {
+
+ AvahiStringList *strlst;
+
+ for (strlst = r->data.txt.string_list; strlst; strlst = strlst->next)
+ if (strlst->size > 255)
+ return FALSE;
+
+ return TRUE;
+ }
+ }
+
+
+ return TRUE;
+}
--- /dev/null
+#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>
+
+#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 */
+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 */
+};
+
+/** DNS record classes, see RFC 1035 */
+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 */
+} 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 */
+
+ union {
+
+ struct {
+ gpointer data;
+ guint16 size;
+ } generic; /**< Generic record data for unknown types */
+
+ struct {
+ guint16 priority;
+ guint16 weight;
+ guint16 port;
+ gchar *name;
+ } srv; /**< Data for SRV records */
+
+ struct {
+ gchar *name;
+ } ptr; /**< Data for PTR an CNAME records */
+
+ struct {
+ gchar *cpu;
+ gchar *os;
+ } hinfo; /**< Data for HINFO records */
+
+ struct {
+ AvahiStringList *string_list;
+ } txt; /**< Data for TXT records */
+
+ struct {
+ AvahiIPv4Address address;
+ } a; /**< Data for A records */
+
+ struct {
+ AvahiIPv6Address address;
+ } 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);
+
+/** Increase the reference counter of an AvahiKey object by one */
+AvahiKey *avahi_key_ref(AvahiKey *k);
+
+/** Decrease the reference counter of an AvahiKey object by one */
+void avahi_key_unref(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);
+
+/** Return a numeric hash value for a key for usage in hash tables. */
+guint 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);
+
+/** 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);
+
+/** Increase the reference counter of an AvahiRecord by one. */
+AvahiRecord *avahi_record_ref(AvahiRecord *r);
+
+/** Decrease the reference counter of an AvahiRecord by one. */
+void avahi_record_unref(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);
+
+/** 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);
+
+/** Create a textual representation of the specified key. g_free() the
+ * result! */
+gchar *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);
+
+/** 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);
+
+/** 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);
+
+/** 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);
+
+/** 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);
+
+/** Return TRUE if the specified record is an mDNS goodbye record. i.e. TTL is zero. */
+gboolean avahi_record_is_goodbye(AvahiRecord *r);
+
+/** 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);
+
+AVAHI_C_DECL_END
+
+#endif
#---------------------------------------------------------------------------
# configuration options related to the input files
#---------------------------------------------------------------------------
-INPUT = $(SRCDIR)/avahi-common/cdecl.h $(SRCDIR)/avahi-core/core.h $(SRCDIR)/avahi-common/address.h $(SRCDIR)/avahi-common/rr.h $(SRCDIR)/avahi-common/strlst.h $(SRCDIR)/avahi-common/alternative.h $(SRCDIR)/avahi-core/log.h $(SRCDIR)/avahi-common/defs.h $(SRCDIR)/avahi-client/client.h $(SRCDIR)/avahi-common/error.h
+INPUT = $(SRCDIR)/avahi-common/cdecl.h $(SRCDIR)/avahi-core/core.h $(SRCDIR)/avahi-common/address.h $(SRCDIR)/avahi-core/rr.h $(SRCDIR)/avahi-common/strlst.h $(SRCDIR)/avahi-common/alternative.h $(SRCDIR)/avahi-core/log.h $(SRCDIR)/avahi-common/defs.h $(SRCDIR)/avahi-client/client.h $(SRCDIR)/avahi-common/error.h
FILE_PATTERNS =
RECURSIVE = NO
EXCLUDE =
projects / catta / commitdiff