X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=avahi-core%2Fdns.h;h=52e8d88fa45761636ecf9c2a8fa8117929969fab;hb=9c0f9c65093cfa53d45f9b68782321eb8063a032;hp=f1ecfe00ecfdfcb1f066278506907b8bdbd5fdd1;hpb=af1ce5fe2245fba0045d2c0d70b58b700938bd2f;p=catta diff --git a/avahi-core/dns.h b/avahi-core/dns.h index f1ecfe0..52e8d88 100644 --- a/avahi-core/dns.h +++ b/avahi-core/dns.h @@ -1,80 +1,83 @@ #ifndef foodnshfoo #define foodnshfoo -/* $Id$ */ - /*** 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 - #include "rr.h" +#include "hashmap.h" -#define AVAHI_DNS_PACKET_MAX_SIZE 9000 #define AVAHI_DNS_PACKET_HEADER_SIZE 12 +#define AVAHI_DNS_PACKET_EXTRA_SIZE 48 +#define AVAHI_DNS_LABELS_MAX 127 +#define AVAHI_DNS_RDATA_MAX 0xFFFF +#define AVAHI_DNS_PACKET_SIZE_MAX (AVAHI_DNS_PACKET_HEADER_SIZE + 256 + 2 + 2 + 4 + 2 + AVAHI_DNS_RDATA_MAX) typedef struct AvahiDnsPacket { - guint size, rindex, max_size; - GHashTable *name_table; /* for name compression */ + size_t size, rindex, max_size; + AvahiHashmap *name_table; /* for name compression */ + uint8_t *data; } AvahiDnsPacket; +#define AVAHI_DNS_PACKET_DATA(p) ((p)->data ? (p)->data : ((uint8_t*) p) + sizeof(AvahiDnsPacket)) -#define AVAHI_DNS_PACKET_DATA(p) (((guint8*) p) + sizeof(AvahiDnsPacket)) - -AvahiDnsPacket* avahi_dns_packet_new(guint mtu); -AvahiDnsPacket* avahi_dns_packet_new_query(guint mtu); -AvahiDnsPacket* avahi_dns_packet_new_response(guint mtu, gboolean aa); +AvahiDnsPacket* avahi_dns_packet_new(unsigned mtu); +AvahiDnsPacket* avahi_dns_packet_new_query(unsigned mtu); +AvahiDnsPacket* avahi_dns_packet_new_response(unsigned mtu, int aa); -AvahiDnsPacket* avahi_dns_packet_new_reply(AvahiDnsPacket* p, guint mtu, gboolean copy_queries, gboolean aa); +AvahiDnsPacket* avahi_dns_packet_new_reply(AvahiDnsPacket* p, unsigned mtu, int copy_queries, int aa); void avahi_dns_packet_free(AvahiDnsPacket *p); -void avahi_dns_packet_set_field(AvahiDnsPacket *p, guint index, guint16 v); -guint16 avahi_dns_packet_get_field(AvahiDnsPacket *p, guint index); -void avahi_dns_packet_inc_field(AvahiDnsPacket *p, guint index); +void avahi_dns_packet_set_field(AvahiDnsPacket *p, unsigned idx, uint16_t v); +uint16_t avahi_dns_packet_get_field(AvahiDnsPacket *p, unsigned idx); +void avahi_dns_packet_inc_field(AvahiDnsPacket *p, unsigned idx); + +uint8_t *avahi_dns_packet_extend(AvahiDnsPacket *p, size_t l); -guint8 *avahi_dns_packet_extend(AvahiDnsPacket *p, guint l); +void avahi_dns_packet_cleanup_name_table(AvahiDnsPacket *p); -guint8 *avahi_dns_packet_append_uint16(AvahiDnsPacket *p, guint16 v); -guint8 *avahi_dns_packet_append_uint32(AvahiDnsPacket *p, guint32 v); -guint8 *avahi_dns_packet_append_name(AvahiDnsPacket *p, const gchar *name); -guint8 *avahi_dns_packet_append_bytes(AvahiDnsPacket *p, gconstpointer, guint l); -guint8* avahi_dns_packet_append_key(AvahiDnsPacket *p, AvahiKey *k, gboolean unicast_response); -guint8* avahi_dns_packet_append_record(AvahiDnsPacket *p, AvahiRecord *r, gboolean cache_flush, guint max_ttl); -guint8* avahi_dns_packet_append_string(AvahiDnsPacket *p, const gchar *s); +uint8_t *avahi_dns_packet_append_uint16(AvahiDnsPacket *p, uint16_t v); +uint8_t *avahi_dns_packet_append_uint32(AvahiDnsPacket *p, uint32_t v); +uint8_t *avahi_dns_packet_append_name(AvahiDnsPacket *p, const char *name); +uint8_t *avahi_dns_packet_append_bytes(AvahiDnsPacket *p, const void *d, size_t l); +uint8_t* avahi_dns_packet_append_key(AvahiDnsPacket *p, AvahiKey *k, int unicast_response); +uint8_t* avahi_dns_packet_append_record(AvahiDnsPacket *p, AvahiRecord *r, int cache_flush, unsigned max_ttl); +uint8_t* avahi_dns_packet_append_string(AvahiDnsPacket *p, const char *s); -gint avahi_dns_packet_is_query(AvahiDnsPacket *p); -gint avahi_dns_packet_check_valid(AvahiDnsPacket *p); +int avahi_dns_packet_is_query(AvahiDnsPacket *p); +int avahi_dns_packet_check_valid(AvahiDnsPacket *p); +int avahi_dns_packet_check_valid_multicast(AvahiDnsPacket *p); -gint avahi_dns_packet_consume_uint16(AvahiDnsPacket *p, guint16 *ret_v); -gint avahi_dns_packet_consume_uint32(AvahiDnsPacket *p, guint32 *ret_v); -gint avahi_dns_packet_consume_name(AvahiDnsPacket *p, gchar *ret_name, guint l); -gint avahi_dns_packet_consume_bytes(AvahiDnsPacket *p, gpointer ret_data, guint l); -AvahiKey* avahi_dns_packet_consume_key(AvahiDnsPacket *p, gboolean *ret_unicast_response); -AvahiRecord* avahi_dns_packet_consume_record(AvahiDnsPacket *p, gboolean *ret_cache_flush); -gint avahi_dns_packet_consume_string(AvahiDnsPacket *p, gchar *ret_string, guint l); +int avahi_dns_packet_consume_uint16(AvahiDnsPacket *p, uint16_t *ret_v); +int avahi_dns_packet_consume_uint32(AvahiDnsPacket *p, uint32_t *ret_v); +int avahi_dns_packet_consume_name(AvahiDnsPacket *p, char *ret_name, size_t l); +int avahi_dns_packet_consume_bytes(AvahiDnsPacket *p, void* ret_data, size_t l); +AvahiKey* avahi_dns_packet_consume_key(AvahiDnsPacket *p, int *ret_unicast_response); +AvahiRecord* avahi_dns_packet_consume_record(AvahiDnsPacket *p, int *ret_cache_flush); +int avahi_dns_packet_consume_string(AvahiDnsPacket *p, char *ret_string, size_t l); -gconstpointer avahi_dns_packet_get_rptr(AvahiDnsPacket *p); +const void* avahi_dns_packet_get_rptr(AvahiDnsPacket *p); -gint avahi_dns_packet_skip(AvahiDnsPacket *p, guint length); +int avahi_dns_packet_skip(AvahiDnsPacket *p, size_t length); -gboolean avahi_dns_packet_is_empty(AvahiDnsPacket *p); -guint avahi_dns_packet_space(AvahiDnsPacket *p); +int avahi_dns_packet_is_empty(AvahiDnsPacket *p); +size_t avahi_dns_packet_space(AvahiDnsPacket *p); #define AVAHI_DNS_FIELD_ID 0 #define AVAHI_DNS_FIELD_FLAGS 1 @@ -90,18 +93,19 @@ guint avahi_dns_packet_space(AvahiDnsPacket *p); #define AVAHI_DNS_FLAG_AA (1 << 10) #define AVAHI_DNS_FLAGS(qr, opcode, aa, tc, rd, ra, z, ad, cd, rcode) \ - (((guint16) !!qr << 15) | \ - ((guint16) (opcode & 15) << 11) | \ - ((guint16) !!aa << 10) | \ - ((guint16) !!tc << 9) | \ - ((guint16) !!rd << 8) | \ - ((guint16) !!ra << 7) | \ - ((guint16) !!ad << 5) | \ - ((guint16) !!cd << 4) | \ - ((guint16) (rd & 15))) - - -gchar *avahi_unescape_label(gchar *dest, guint size, const gchar **name); + (((uint16_t) !!qr << 15) | \ + ((uint16_t) (opcode & 15) << 11) | \ + ((uint16_t) !!aa << 10) | \ + ((uint16_t) !!tc << 9) | \ + ((uint16_t) !!rd << 8) | \ + ((uint16_t) !!ra << 7) | \ + ((uint16_t) !!ad << 5) | \ + ((uint16_t) !!cd << 4) | \ + ((uint16_t) (rcode & 15))) + +#define AVAHI_MDNS_SUFFIX_LOCAL "local" +#define AVAHI_MDNS_SUFFIX_ADDR_IPV4 "254.169.in-addr.arpa" +#define AVAHI_MDNS_SUFFIX_ADDR_IPV6 "0.8.e.f.ip6.arpa" #endif