]> git.meshlink.io Git - catta/blobdiff - avahi-core/server.c
add support for service subtypes: avahi_server_add_service_subtype()
[catta] / avahi-core / server.c
index ca5da5d1161940cc06b3f94d5264efbdf9850a1f..fdc53d5737b78821186945bb2b2ae8c0c79f240b 100644 (file)
 #include <errno.h>
 #include <stdio.h>
 #include <assert.h>
+#include <stdlib.h>
 
 #include <avahi-common/domain.h>
 #include <avahi-common/timeval.h>
 #include <avahi-common/malloc.h>
+#include <avahi-common/error.h>
 
 #include "server.h"
 #include "iface.h"
@@ -137,7 +139,7 @@ static void enum_aux_records(AvahiServer *s, AvahiInterface *i, const char *name
 
     for (e = avahi_hashmap_lookup(s->entries_by_key, k); e; e = e->by_key_next)
         if (!e->dead && avahi_entry_is_registered(s, e, i)) 
-            callback(s, e->record, e->flags & AVAHI_ENTRY_UNIQUE, userdata);
+            callback(s, e->record, e->flags & AVAHI_PUBLISH_UNIQUE, userdata);
 
     avahi_key_unref(k);
 }
@@ -164,7 +166,7 @@ void avahi_server_prepare_response(AvahiServer *s, AvahiInterface *i, AvahiEntry
     assert(i);
     assert(e);
 
-    avahi_record_list_push(s->record_list, e->record, e->flags & AVAHI_ENTRY_UNIQUE, unicast_response, auxiliary);
+    avahi_record_list_push(s->record_list, e->record, e->flags & AVAHI_PUBLISH_UNIQUE, unicast_response, auxiliary);
 }
 
 void avahi_server_prepare_matching_responses(AvahiServer *s, AvahiInterface *i, AvahiKey *k, int unicast_response) {
@@ -266,7 +268,6 @@ static void incoming_probe(AvahiServer *s, AvahiRecord *record, AvahiInterface *
         }
     }
 
-
     if (!ours) {
 
         if (won)
@@ -295,7 +296,30 @@ static int handle_conflict(AvahiServer *s, AvahiInterface *i, AvahiRecord *recor
     for (e = avahi_hashmap_lookup(s->entries_by_key, record->key); e; e = n) {
         n = e->by_key_next;
 
-        if (e->dead || (!(e->flags & AVAHI_ENTRY_UNIQUE) && !unique))
+        if (e->dead)
+            continue;
+
+        /* Check if the incoming is a goodbye record */
+        if (avahi_record_is_goodbye(record)) {
+
+            if (avahi_record_equal_no_ttl(e->record, record)) {
+                char *t;
+
+                /* Refresh */
+                t = avahi_record_to_string(record); 
+                avahi_log_debug("Recieved goodbye record for one of our records [%s]. Refreshing.", t);
+                avahi_server_prepare_matching_responses(s, i, e->record->key, 0);
+
+                valid = 0;
+                avahi_free(t);
+                break;
+            }
+
+            /* If the goodybe packet doesn't match one of our own RRs, we simply ignore it. */
+            continue;
+        }
+        
+        if (!(e->flags & AVAHI_PUBLISH_UNIQUE) && !unique)
             continue;
 
         /* Either our entry or the other is intended to be unique, so let's check */
@@ -564,7 +588,7 @@ static void reflect_probe(AvahiServer *s, AvahiInterface *i, AvahiRecord *r) {
             avahi_interface_post_probe(j, r, 1);
 }
 
-static void handle_query_packet(AvahiServer *s, AvahiDnsPacket *p, AvahiInterface *i, const AvahiAddress *a, uint16_t port, int legacy_unicast) {
+static void handle_query_packet(AvahiServer *s, AvahiDnsPacket *p, AvahiInterface *i, const AvahiAddress *a, uint16_t port, int legacy_unicast, int from_local_iface) {
     size_t n;
     int is_probe;
     
@@ -589,8 +613,10 @@ static void handle_query_packet(AvahiServer *s, AvahiDnsPacket *p, AvahiInterfac
             goto fail;
         }
 
-        if (!legacy_unicast)
+        if (!legacy_unicast && !from_local_iface) {
             reflect_query(s, i, key);
+            avahi_cache_start_poof(i->cache, key, a);
+        }
 
         if (avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_ANCOUNT) == 0 &&
             !(avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_FLAGS) & AVAHI_DNS_FLAG_TC))
@@ -602,40 +628,45 @@ static void handle_query_packet(AvahiServer *s, AvahiDnsPacket *p, AvahiInterfac
         avahi_key_unref(key);
     }
 
-    /* Known Answer Suppression */
-    for (n = avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_ANCOUNT); n > 0; n --) {
-        AvahiRecord *record;
-        int unique = 0;
+    if (!legacy_unicast) {
 
-        if (!(record = avahi_dns_packet_consume_record(p, &unique))) {
-            avahi_log_warn("Packet too short (2)");
-            goto fail;
-        }
-
-        if (handle_conflict(s, i, record, unique, a)) {
-            avahi_response_scheduler_suppress(i->response_scheduler, record, a);
-            avahi_record_list_drop(s->record_list, record);
+        /* Known Answer Suppression */
+        for (n = avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_ANCOUNT); n > 0; n --) {
+            AvahiRecord *record;
+            int unique = 0;
+            
+            if (!(record = avahi_dns_packet_consume_record(p, &unique))) {
+                avahi_log_warn("Packet too short (2)");
+                goto fail;
+            }
+            
+            if (handle_conflict(s, i, record, unique, a)) {
+                avahi_response_scheduler_suppress(i->response_scheduler, record, a);
+                avahi_record_list_drop(s->record_list, record);
+                avahi_cache_stop_poof(i->cache, record, a);
+            }
+            
+            avahi_record_unref(record);
         }
         
-        avahi_record_unref(record);
-    }
-
-    /* Probe record */
-    for (n = avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_NSCOUNT); n > 0; n --) {
-        AvahiRecord *record;
-        int unique = 0;
-
-        if (!(record = avahi_dns_packet_consume_record(p, &unique))) {
-            avahi_log_warn("Packet too short (3)");
-            goto fail;
-        }
-
-        if (!avahi_key_is_pattern(record->key)) {
-            reflect_probe(s, i, record);
-            incoming_probe(s, record, i);
+        /* Probe record */
+        for (n = avahi_dns_packet_get_field(p, AVAHI_DNS_FIELD_NSCOUNT); n > 0; n --) {
+            AvahiRecord *record;
+            int unique = 0;
+            
+            if (!(record = avahi_dns_packet_consume_record(p, &unique))) {
+                avahi_log_warn("Packet too short (3)");
+                goto fail;
+            }
+            
+            if (!avahi_key_is_pattern(record->key)) {
+                if (!from_local_iface)
+                    reflect_probe(s, i, record);
+                incoming_probe(s, record, i);
+            }
+            
+            avahi_record_unref(record);
         }
-        
-        avahi_record_unref(record);
     }
 
     if (!avahi_record_list_is_empty(s->record_list))
@@ -647,7 +678,7 @@ fail:
     avahi_record_list_flush(s->record_list);
 }
 
-static void handle_response_packet(AvahiServer *s, AvahiDnsPacket *p, AvahiInterface *i, const AvahiAddress *a) {
+static void handle_response_packet(AvahiServer *s, AvahiDnsPacket *p, AvahiInterface *i, const AvahiAddress *a, int from_local_iface) {
     unsigned n;
     
     assert(s);
@@ -674,7 +705,8 @@ static void handle_response_packet(AvahiServer *s, AvahiDnsPacket *p, AvahiInter
 /*             avahi_free(txt); */
             
             if (handle_conflict(s, i, record, cache_flush, a)) {
-                reflect_response(s, i, record, cache_flush);
+                if (!from_local_iface)
+                    reflect_response(s, i, record, cache_flush);
                 avahi_cache_update(i->cache, record, cache_flush, a);
                 avahi_response_scheduler_incoming(i->response_scheduler, record, cache_flush);
             }
@@ -712,9 +744,10 @@ static AvahiLegacyUnicastReflectSlot* allocate_slot(AvahiServer *s) {
     if (!(slot = avahi_new(AvahiLegacyUnicastReflectSlot, 1)))
         return NULL; /* OOM */
 
-    slot = s->legacy_unicast_reflect_slots[idx];
+    s->legacy_unicast_reflect_slots[idx] = slot;
     slot->id = s->legacy_unicast_reflect_id++;
     slot->server = s;
+    
     return slot;
 }
 
@@ -784,7 +817,7 @@ static void reflect_legacy_unicast_query_packet(AvahiServer *s, AvahiDnsPacket *
     assert(i);
     assert(a);
     assert(port > 0);
-    assert(i->protocol == a->family);
+    assert(i->protocol == a->proto);
     
     if (!s->config.enable_reflector)
         return;
@@ -872,14 +905,27 @@ static int is_mdns_mcast_address(const AvahiAddress *a) {
     AvahiAddress b;
     assert(a);
 
-    avahi_address_parse(a->family == AVAHI_PROTO_INET ? AVAHI_IPV4_MCAST_GROUP : AVAHI_IPV6_MCAST_GROUP, a->family, &b);
+    avahi_address_parse(a->proto == AVAHI_PROTO_INET ? AVAHI_IPV4_MCAST_GROUP : AVAHI_IPV6_MCAST_GROUP, a->proto, &b);
     return avahi_address_cmp(a, &b) == 0;
 }
 
+static int originates_from_local_iface(AvahiServer *s, AvahiIfIndex iface, const AvahiAddress *a, uint16_t port) {
+    assert(s);
+    assert(iface != AVAHI_IF_UNSPEC);
+    assert(a);
+
+    /* If it isn't the MDNS port it can't be generated by us */
+    if (port != AVAHI_MDNS_PORT)
+        return 0;
+
+    return avahi_interface_has_address(s->monitor, iface, a);
+}
+
 static void dispatch_packet(AvahiServer *s, AvahiDnsPacket *p, const struct sockaddr *sa, AvahiAddress *dest, AvahiIfIndex iface, int ttl) {
     AvahiInterface *i;
     AvahiAddress a;
     uint16_t port;
+    int from_local_iface = 0;
     
     assert(s);
     assert(p);
@@ -887,7 +933,7 @@ static void dispatch_packet(AvahiServer *s, AvahiDnsPacket *p, const struct sock
     assert(dest);
     assert(iface > 0);
 
-    if (!(i = avahi_interface_monitor_get_interface(s->monitor, iface, sa->sa_family)) ||
+    if (!(i = avahi_interface_monitor_get_interface(s->monitor, iface, avahi_af_to_proto(sa->sa_family))) ||
         !avahi_interface_relevant(i)) {
         avahi_log_warn("Recieved packet from invalid interface.");
         return;
@@ -906,7 +952,11 @@ static void dispatch_packet(AvahiServer *s, AvahiDnsPacket *p, const struct sock
         /* This originates from our local reflector, so let's ignore it */
         return;
 
-    if (avahi_dns_packet_is_valid(p) < 0) {
+    /* We don't want to reflect local traffic, so we check if this packet is generated locally. */
+    if (s->config.enable_reflector)
+        from_local_iface = originates_from_local_iface(s, iface, &a, port);
+
+    if (avahi_dns_packet_check_valid_multicast(p) < 0) {
         avahi_log_warn("Recieved invalid packet.");
         return;
     }
@@ -934,7 +984,7 @@ static void dispatch_packet(AvahiServer *s, AvahiDnsPacket *p, const struct sock
         if (legacy_unicast)
             reflect_legacy_unicast_query_packet(s, p, i, &a, port);
         
-        handle_query_packet(s, p, i, &a, port, legacy_unicast);
+        handle_query_packet(s, p, i, &a, port, legacy_unicast, from_local_iface);
         
 /*         avahi_log_debug("Handled query"); */
     } else {
@@ -961,15 +1011,14 @@ static void dispatch_packet(AvahiServer *s, AvahiDnsPacket *p, const struct sock
             return;
         }
 
-        handle_response_packet(s, p, i, &a);
+        handle_response_packet(s, p, i, &a, from_local_iface);
 /*         avahi_log_debug("Handled response"); */
     }
 }
 
-static void dispatch_legacy_unicast_packet(AvahiServer *s, AvahiDnsPacket *p, const struct sockaddr *sa, AvahiIfIndex iface, int ttl) {
+static void dispatch_legacy_unicast_packet(AvahiServer *s, AvahiDnsPacket *p, const struct sockaddr *sa, AvahiIfIndex iface) {
     AvahiInterface *i, *j;
     AvahiAddress a;
-    uint16_t port;
     AvahiLegacyUnicastReflectSlot *slot;
     
     assert(s);
@@ -977,7 +1026,7 @@ static void dispatch_legacy_unicast_packet(AvahiServer *s, AvahiDnsPacket *p, co
     assert(sa);
     assert(iface > 0);
 
-    if (!(i = avahi_interface_monitor_get_interface(s->monitor, iface, sa->sa_family)) ||
+    if (!(i = avahi_interface_monitor_get_interface(s->monitor, iface, avahi_af_to_proto(sa->sa_family))) ||
         !avahi_interface_relevant(i)) {
         avahi_log_warn("Recieved packet from invalid interface.");
         return;
@@ -985,14 +1034,13 @@ static void dispatch_legacy_unicast_packet(AvahiServer *s, AvahiDnsPacket *p, co
 
 /*     avahi_log_debug("new legacy unicast packet recieved on interface '%s.%i'.", i->hardware->name, i->protocol); */
 
-    port = avahi_port_from_sockaddr(sa);
     avahi_address_from_sockaddr(sa, &a);
     
     if (avahi_address_is_ipv4_in_ipv6(&a))
         /* This is an IPv4 address encapsulated in IPv6, so let's ignore it. */
         return;
 
-    if (avahi_dns_packet_is_valid(p) < 0 || avahi_dns_packet_is_query(p)) {
+    if (avahi_dns_packet_check_valid(p) < 0 || avahi_dns_packet_is_query(p)) {
         avahi_log_warn("Recieved invalid packet.");
         return;
     }
@@ -1002,7 +1050,7 @@ static void dispatch_legacy_unicast_packet(AvahiServer *s, AvahiDnsPacket *p, co
         return;
     }
 
-    if (!(j = avahi_interface_monitor_get_interface(s->monitor, slot->interface, slot->address.family)) ||
+    if (!(j = avahi_interface_monitor_get_interface(s->monitor, slot->interface, slot->address.proto)) ||
         !avahi_interface_relevant(j))
         return;
 
@@ -1031,38 +1079,37 @@ static void socket_event(AvahiWatch *w, int fd, AvahiWatchEvent events, void *us
     if (events & AVAHI_WATCH_IN) {
     
         if (fd == s->fd_ipv4) {
-            dest.family = AVAHI_PROTO_INET;
+            dest.proto = AVAHI_PROTO_INET;
             if ((p = avahi_recv_dns_packet_ipv4(s->fd_ipv4, &sa, &dest.data.ipv4, &iface, &ttl))) {
                 dispatch_packet(s, p, (struct sockaddr*) &sa, &dest, iface, ttl);
                 avahi_dns_packet_free(p);
             }
         } else if (fd == s->fd_ipv6) {
-            dest.family = AVAHI_PROTO_INET6;
+            dest.proto = AVAHI_PROTO_INET6;
 
             if ((p = avahi_recv_dns_packet_ipv6(s->fd_ipv6, &sa6, &dest.data.ipv6, &iface, &ttl))) {
                 dispatch_packet(s, p, (struct sockaddr*) &sa6, &dest, iface, ttl);
                 avahi_dns_packet_free(p);
             }
         } else if (fd == s->fd_legacy_unicast_ipv4) {
-            dest.family = AVAHI_PROTO_INET;
+            dest.proto = AVAHI_PROTO_INET;
             
             if ((p = avahi_recv_dns_packet_ipv4(s->fd_legacy_unicast_ipv4, &sa, &dest.data.ipv4, &iface, &ttl))) {
-                dispatch_legacy_unicast_packet(s, p, (struct sockaddr*) &sa, iface, ttl);
+                dispatch_legacy_unicast_packet(s, p, (struct sockaddr*) &sa, iface);
                 avahi_dns_packet_free(p);
             }
         } else if (fd == s->fd_legacy_unicast_ipv6) {
-            dest.family = AVAHI_PROTO_INET6;
+            dest.proto = AVAHI_PROTO_INET6;
             
             if ((p = avahi_recv_dns_packet_ipv6(s->fd_legacy_unicast_ipv6, &sa6, &dest.data.ipv6, &iface, &ttl))) {
-                dispatch_legacy_unicast_packet(s, p, (struct sockaddr*) &sa6, iface, ttl);
+                dispatch_legacy_unicast_packet(s, p, (struct sockaddr*) &sa6, iface);
                 avahi_dns_packet_free(p);
             }
         }
 
         cleanup_dead(s);
-    } else {
-        assert(0);
-    }
+    } else
+        abort();
 }
 
 static void server_set_state(AvahiServer *s, AvahiServerState state) {
@@ -1148,7 +1195,7 @@ static void register_hinfo(AvahiServer *s) {
         r->data.hinfo.cpu = avahi_strdup(avahi_strup(utsname.machine));
         r->data.hinfo.os = avahi_strdup(avahi_strup(utsname.sysname));
 
-        if (avahi_server_add(s, s->hinfo_entry_group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, AVAHI_ENTRY_UNIQUE, r) < 0) {
+        if (avahi_server_add(s, s->hinfo_entry_group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, AVAHI_PUBLISH_UNIQUE, r) < 0) {
             avahi_log_warn("Failed to add HINFO RR: %s", avahi_strerror(s->error));
             return;
         }
@@ -1167,10 +1214,10 @@ static void register_localhost(AvahiServer *s) {
     
     /* Add localhost entries */
     avahi_address_parse("127.0.0.1", AVAHI_PROTO_INET, &a);
-    avahi_server_add_address(s, NULL, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, AVAHI_ENTRY_NOPROBE|AVAHI_ENTRY_NOANNOUNCE, "localhost", &a);
+    avahi_server_add_address(s, NULL, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, AVAHI_PUBLISH_NO_PROBE|AVAHI_PUBLISH_NO_ANNOUNCE, "localhost", &a);
 
     avahi_address_parse("::1", AVAHI_PROTO_INET6, &a);
-    avahi_server_add_address(s, NULL, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, AVAHI_ENTRY_NOPROBE|AVAHI_ENTRY_NOANNOUNCE, "ip6-localhost", &a);
+    avahi_server_add_address(s, NULL, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, AVAHI_PUBLISH_NO_PROBE|AVAHI_PUBLISH_NO_ANNOUNCE, "ip6-localhost", &a);
 }
 
 static void register_browse_domain(AvahiServer *s) {
@@ -1202,10 +1249,14 @@ static void register_stuff(AvahiServer *s) {
     assert(s);
 
     server_set_state(s, AVAHI_SERVER_REGISTERING);
+    s->n_host_rr_pending ++;  /** Make sure that the state isn't changed tp AVAHI_SERVER_RUNNING too early */
+
     register_hinfo(s);
     register_browse_domain(s);
     avahi_update_host_rrs(s->monitor, 0);
 
+    s->n_host_rr_pending --;
+    
     if (s->n_host_rr_pending == 0)
         server_set_state(s, AVAHI_SERVER_RUNNING);
 }
@@ -1234,7 +1285,7 @@ int avahi_server_set_host_name(AvahiServer *s, const char *host_name) {
     withdraw_host_rrs(s);
 
     avahi_free(s->host_name);
-    s->host_name = host_name ? avahi_normalize_name(host_name) : avahi_get_host_name();
+    s->host_name = host_name ? avahi_normalize_name_strdup(host_name) : avahi_get_host_name_strdup();
     s->host_name[strcspn(s->host_name, ".")] = 0;
     update_fqdn(s);
 
@@ -1252,7 +1303,7 @@ int avahi_server_set_domain_name(AvahiServer *s, const char *domain_name) {
     withdraw_host_rrs(s);
 
     avahi_free(s->domain_name);
-    s->domain_name = domain_name ? avahi_normalize_name(domain_name) : avahi_strdup("local");
+    s->domain_name = domain_name ? avahi_normalize_name_strdup(domain_name) : avahi_strdup("local");
     update_fqdn(s);
 
     register_stuff(s);
@@ -1273,8 +1324,8 @@ static int valid_server_config(const AvahiServerConfig *sc) {
 static int setup_sockets(AvahiServer *s) {
     assert(s);
     
-    s->fd_ipv4 = s->config.use_ipv4 ? avahi_open_socket_ipv4() : -1;
-    s->fd_ipv6 = s->config.use_ipv6 ? avahi_open_socket_ipv6() : -1;
+    s->fd_ipv4 = s->config.use_ipv4 ? avahi_open_socket_ipv4(s->config.disallow_other_stacks) : -1;
+    s->fd_ipv6 = s->config.use_ipv6 ? avahi_open_socket_ipv6(s->config.disallow_other_stacks) : -1;
     
     if (s->fd_ipv6 < 0 && s->fd_ipv4 < 0)
         return AVAHI_ERR_NO_NETWORK;
@@ -1284,24 +1335,28 @@ static int setup_sockets(AvahiServer *s) {
     else if (s->fd_ipv6 < 0 && s->config.use_ipv6)
         avahi_log_notice("Failed to create IPv6 socket, proceeding in IPv4 only mode");
 
-    s->fd_legacy_unicast_ipv4 = s->fd_ipv4 >= 0 && s->config.enable_reflector ? avahi_open_legacy_unicast_socket_ipv4() : -1;
-    s->fd_legacy_unicast_ipv6 = s->fd_ipv6 >= 0 && s->config.enable_reflector ? avahi_open_legacy_unicast_socket_ipv6() : -1;
-
-    s->watch_ipv4 = s->watch_ipv6 = s->watch_legacy_unicast_ipv4 = s->watch_legacy_unicast_ipv6 = NULL;
+    s->fd_legacy_unicast_ipv4 = s->fd_ipv4 >= 0 && s->config.enable_reflector ? avahi_open_unicast_socket_ipv4() : -1;
+    s->fd_legacy_unicast_ipv6 = s->fd_ipv6 >= 0 && s->config.enable_reflector ? avahi_open_unicast_socket_ipv6() : -1;
+    
+    s->watch_ipv4 =
+        s->watch_ipv6 =
+        s->watch_legacy_unicast_ipv4 =
+        s->watch_legacy_unicast_ipv6 = NULL;
     
     if (s->fd_ipv4 >= 0)
         s->watch_ipv4 = s->poll_api->watch_new(s->poll_api, s->fd_ipv4, AVAHI_WATCH_IN, socket_event, s);
     if (s->fd_ipv6 >= 0)
         s->watch_ipv6 = s->poll_api->watch_new(s->poll_api, s->fd_ipv6, AVAHI_WATCH_IN, socket_event, s);
+    
     if (s->fd_legacy_unicast_ipv4 >= 0)
         s->watch_legacy_unicast_ipv4 = s->poll_api->watch_new(s->poll_api, s->fd_legacy_unicast_ipv4, AVAHI_WATCH_IN, socket_event, s);
     if (s->fd_legacy_unicast_ipv6 >= 0)
         s->watch_legacy_unicast_ipv6 = s->poll_api->watch_new(s->poll_api, s->fd_legacy_unicast_ipv6, AVAHI_WATCH_IN, socket_event, s);
-
+            
     return 0;
 }
 
-AvahiServer *avahi_server_new(AvahiPoll *poll_api, const AvahiServerConfig *sc, AvahiServerCallback callback, void* userdata, int *error) {
+AvahiServer *avahi_server_new(const AvahiPoll *poll_api, const AvahiServerConfig *sc, AvahiServerCallback callback, void* userdata, int *error) {
     AvahiServer *s;
     int e;
     
@@ -1335,6 +1390,7 @@ AvahiServer *avahi_server_new(AvahiPoll *poll_api, const AvahiServerConfig *sc,
         return NULL;
     }
 
+    
     s->n_host_rr_pending = 0;
     s->need_entry_cleanup = 0;
     s->need_group_cleanup = 0;
@@ -1361,11 +1417,23 @@ AvahiServer *avahi_server_new(AvahiPoll *poll_api, const AvahiServerConfig *sc,
 
     s->legacy_unicast_reflect_slots = NULL;
     s->legacy_unicast_reflect_id = 0;
+
+    if (s->config.enable_wide_area) {
+        s->wide_area_lookup_engine = avahi_wide_area_engine_new(s);
+        avahi_wide_area_set_servers(s->wide_area_lookup_engine, s->config.wide_area_servers, s->config.n_wide_area_servers);
+    } else
+        s->wide_area_lookup_engine = NULL;
+
+    s->multicast_lookup_engine = avahi_multicast_lookup_engine_new(s);
+
+    do {
+        s->local_service_cookie = (uint32_t) rand() * (uint32_t) rand();
+    } while (s->local_service_cookie == AVAHI_SERVICE_COOKIE_INVALID);
     
     /* Get host name */
-    s->host_name = s->config.host_name ? avahi_normalize_name(s->config.host_name) : avahi_get_host_name();
+    s->host_name = s->config.host_name ? avahi_normalize_name_strdup(s->config.host_name) : avahi_get_host_name_strdup();
     s->host_name[strcspn(s->host_name, ".")] = 0;
-    s->domain_name = s->config.domain_name ? avahi_normalize_name(s->config.domain_name) : avahi_strdup("local");
+    s->domain_name = s->config.domain_name ? avahi_normalize_name_strdup(s->config.domain_name) : avahi_strdup("local");
     s->host_name_fqdn = NULL;
     update_fqdn(s);
 
@@ -1390,15 +1458,7 @@ AvahiServer *avahi_server_new(AvahiPoll *poll_api, const AvahiServerConfig *sc,
 void avahi_server_free(AvahiServer* s) {
     assert(s);
 
-    while(s->entries)
-        free_entry(s, s->entries);
-
-    avahi_interface_monitor_free(s->monitor);
-
-    while (s->groups)
-        free_group(s, s->groups);
-
-    free_slots(s);
+    /* Remove all browsers */
 
     while (s->dns_server_browsers)
         avahi_s_dns_server_browser_free(s->dns_server_browsers);
@@ -1417,31 +1477,54 @@ void avahi_server_free(AvahiServer* s) {
     while (s->record_browsers)
         avahi_s_record_browser_destroy(s->record_browsers);
     
-    avahi_hashmap_free(s->record_browser_hashmap);
-    avahi_hashmap_free(s->entries_by_key);
+    /* Remove all locally rgeistered stuff */
 
-    avahi_time_event_queue_free(s->time_event_queue);
+    while(s->entries)
+        free_entry(s, s->entries);
+
+    avahi_interface_monitor_free(s->monitor);
 
+    while (s->groups)
+        free_group(s, s->groups);
+
+    free_slots(s);
+
+    avahi_hashmap_free(s->entries_by_key);
     avahi_record_list_free(s->record_list);
+    avahi_hashmap_free(s->record_browser_hashmap);
+
+    if (s->wide_area_lookup_engine)
+        avahi_wide_area_engine_free(s->wide_area_lookup_engine);
+    avahi_multicast_lookup_engine_free(s->multicast_lookup_engine);
 
+    avahi_time_event_queue_free(s->time_event_queue);
+    
+    /* Free watches */
+    
     if (s->watch_ipv4)
         s->poll_api->watch_free(s->watch_ipv4);
     if (s->watch_ipv6)
         s->poll_api->watch_free(s->watch_ipv6);
+    
     if (s->watch_legacy_unicast_ipv4)
         s->poll_api->watch_free(s->watch_legacy_unicast_ipv4);
     if (s->watch_legacy_unicast_ipv6)
         s->poll_api->watch_free(s->watch_legacy_unicast_ipv6);
+
+    /* Free sockets */
     
     if (s->fd_ipv4 >= 0)
         close(s->fd_ipv4);
     if (s->fd_ipv6 >= 0)
         close(s->fd_ipv6);
+    
     if (s->fd_legacy_unicast_ipv4 >= 0)
         close(s->fd_legacy_unicast_ipv4);
     if (s->fd_legacy_unicast_ipv6 >= 0)
         close(s->fd_legacy_unicast_ipv6);
-
+    
+    /* Free other stuff */
+    
     avahi_free(s->host_name);
     avahi_free(s->domain_name);
     avahi_free(s->host_name_fqdn);
@@ -1451,7 +1534,7 @@ void avahi_server_free(AvahiServer* s) {
     avahi_free(s);
 }
 
-static int check_record_conflict(AvahiServer *s, AvahiIfIndex interface, AvahiProtocol protocol, AvahiRecord *r, AvahiEntryFlags flags) {
+static int check_record_conflict(AvahiServer *s, AvahiIfIndex interface, AvahiProtocol protocol, AvahiRecord *r, AvahiPublishFlags flags) {
     AvahiEntry *e;
     
     assert(s);
@@ -1461,21 +1544,20 @@ static int check_record_conflict(AvahiServer *s, AvahiIfIndex interface, AvahiPr
         if (e->dead)
             continue;
 
-        if (!(flags & AVAHI_ENTRY_UNIQUE) && !(e->flags & AVAHI_ENTRY_UNIQUE))
+        if (!(flags & AVAHI_PUBLISH_UNIQUE) && !(e->flags & AVAHI_PUBLISH_UNIQUE))
             continue;
         
-        if ((flags & AVAHI_ENTRY_ALLOWMUTIPLE) && (e->flags & AVAHI_ENTRY_ALLOWMUTIPLE) )
+        if ((flags & AVAHI_PUBLISH_ALLOW_MULTIPLE) && (e->flags & AVAHI_PUBLISH_ALLOW_MULTIPLE) )
             continue;
 
-        if (interface <= 0 ||
-            e->interface <= 0 ||
-            e->interface == interface ||
-            protocol == AVAHI_PROTO_UNSPEC ||
-            e->protocol == AVAHI_PROTO_UNSPEC ||
-            e->protocol == protocol)
+        if ((interface <= 0 ||
+             e->interface <= 0 ||
+             e->interface == interface) &&
+            (protocol == AVAHI_PROTO_UNSPEC ||
+             e->protocol == AVAHI_PROTO_UNSPEC ||
+             e->protocol == protocol))
 
             return -1;
-
     }
 
     return 0;
@@ -1486,7 +1568,7 @@ int avahi_server_add(
     AvahiSEntryGroup *g,
     AvahiIfIndex interface,
     AvahiProtocol protocol,
-    AvahiEntryFlags flags,
+    AvahiPublishFlags flags,
     AvahiRecord *r) {
     
     AvahiEntry *e, *t;
@@ -1494,6 +1576,18 @@ int avahi_server_add(
     assert(s);
     assert(r);
 
+    if (!AVAHI_IF_VALID(interface))
+        return avahi_server_set_errno(s, AVAHI_ERR_INVALID_INTERFACE);
+
+    if (!AVAHI_PROTO_VALID(protocol))
+        return avahi_server_set_errno(s, AVAHI_ERR_INVALID_PROTOCOL);
+    
+    if (!AVAHI_FLAGS_VALID(flags, AVAHI_PUBLISH_NO_ANNOUNCE|AVAHI_PUBLISH_NO_PROBE|AVAHI_PUBLISH_UNIQUE|AVAHI_PUBLISH_ALLOW_MULTIPLE|AVAHI_PUBLISH_IS_PROXY))
+        return avahi_server_set_errno(s, AVAHI_ERR_INVALID_FLAGS);
+    
+    if (!avahi_is_valid_domain_name(r->key->name))
+        return avahi_server_set_errno(s, AVAHI_ERR_INVALID_HOST_NAME);
+    
     if (r->ttl == 0)
         return avahi_server_set_errno(s, AVAHI_ERR_INVALID_TTL);
 
@@ -1507,7 +1601,7 @@ int avahi_server_add(
         return avahi_server_set_errno(s, AVAHI_ERR_LOCAL_COLLISION);
 
     if (!(e = avahi_new(AvahiEntry, 1)))
-        return avahi_server_set_errno(s, AVAHI_ERR_NO_NETWORK);
+        return avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
         
     e->server = s;
     e->record = avahi_record_ref(r);
@@ -1577,6 +1671,9 @@ int avahi_server_dump(AvahiServer *s, AvahiDumpCallback callback, void* userdata
     }
 
     avahi_dump_caches(s->monitor, callback, userdata);
+
+    if (s->wide_area_lookup_engine)
+        avahi_wide_area_cache_dump(s->wide_area_lookup_engine, callback, userdata);
     return AVAHI_OK;
 }
 
@@ -1585,7 +1682,7 @@ int avahi_server_add_ptr(
     AvahiSEntryGroup *g,
     AvahiIfIndex interface,
     AvahiProtocol protocol,
-    AvahiEntryFlags flags,
+    AvahiPublishFlags flags,
     uint32_t ttl,
     const char *name,
     const char *dest) {
@@ -1596,10 +1693,16 @@ int avahi_server_add_ptr(
     assert(s);
     assert(dest);
 
-    if (!(r = avahi_record_new_full(name ? name : s->host_name_fqdn, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_PTR, ttl)))
+    if ((name && !avahi_is_valid_domain_name(name)) || !avahi_is_valid_domain_name(dest))
+        return avahi_server_set_errno(s, AVAHI_ERR_INVALID_HOST_NAME);
+
+    if (!name)
+        name = s->host_name_fqdn;
+    
+    if (!(r = avahi_record_new_full(name, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_PTR, ttl)))
         return avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
         
-    r->data.ptr.name = avahi_normalize_name(dest);
+    r->data.ptr.name = avahi_normalize_name_strdup(dest);
     ret = avahi_server_add(s, g, interface, protocol, flags, r);
     avahi_record_unref(r);
     return ret;
@@ -1610,30 +1713,38 @@ int avahi_server_add_address(
     AvahiSEntryGroup *g,
     AvahiIfIndex interface,
     AvahiProtocol protocol,
-    AvahiEntryFlags flags,
+    AvahiPublishFlags flags,
     const char *name,
     AvahiAddress *a) {
 
     char *n = NULL;
     int ret = AVAHI_OK;
+    
     assert(s);
     assert(a);
 
-    if (name) {
-        if (!(n = avahi_normalize_name(name)))
-            return avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
+    if (!AVAHI_IF_VALID(interface))
+        return avahi_server_set_errno(s, AVAHI_ERR_INVALID_INTERFACE);
 
-        name = n;
-    } else
+    if (!AVAHI_PROTO_VALID(protocol) || !AVAHI_PROTO_VALID(a->proto))
+        return avahi_server_set_errno(s, AVAHI_ERR_INVALID_PROTOCOL);
+    
+    if (!AVAHI_FLAGS_VALID(flags, AVAHI_PUBLISH_NO_REVERSE|AVAHI_PUBLISH_NO_ANNOUNCE|AVAHI_PUBLISH_NO_PROBE))
+        return avahi_server_set_errno(s, AVAHI_ERR_INVALID_FLAGS);
+    
+    if (name && !avahi_is_valid_domain_name(name))
+        return avahi_server_set_errno(s, AVAHI_ERR_INVALID_HOST_NAME);
+
+    if (!name)
         name = s->host_name_fqdn;
+    else {
+        if (!(n = avahi_normalize_name_strdup(name)))
+            return avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
 
-    if (!avahi_is_valid_domain_name(name)) {
-        ret = avahi_server_set_errno(s, AVAHI_ERR_INVALID_HOST_NAME);
-        goto fail;
+        name = n;
     }
     
-    if (a->family == AVAHI_PROTO_INET) {
-        char *reverse;
+    if (a->proto == AVAHI_PROTO_INET) {
         AvahiRecord  *r;
 
         if (!(r = avahi_record_new_full(name, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_A, AVAHI_DEFAULT_TTL_HOST_NAME))) {
@@ -1642,25 +1753,28 @@ int avahi_server_add_address(
         }
         
         r->data.a.address = a->data.ipv4;
-        ret = avahi_server_add(s, g, interface, protocol, flags | AVAHI_ENTRY_UNIQUE | AVAHI_ENTRY_ALLOWMUTIPLE, r);
+        ret = avahi_server_add(s, g, interface, protocol, (flags & ~ AVAHI_PUBLISH_NO_REVERSE) | AVAHI_PUBLISH_UNIQUE | AVAHI_PUBLISH_ALLOW_MULTIPLE, r);
         avahi_record_unref(r);
 
         if (ret < 0)
             goto fail;
-        
-        if (!(reverse = avahi_reverse_lookup_name_ipv4(&a->data.ipv4))) {
-            ret = avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
-            goto fail;
-        }
-
-        ret = avahi_server_add_ptr(s, g, interface, protocol, flags | AVAHI_ENTRY_UNIQUE, AVAHI_DEFAULT_TTL_HOST_NAME, reverse, name);
-        avahi_free(reverse);
 
+        if (!(flags & AVAHI_PUBLISH_NO_REVERSE)) {
+            char *reverse;
+            
+            if (!(reverse = avahi_reverse_lookup_name_ipv4(&a->data.ipv4))) {
+                ret = avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
+                goto fail;
+            }
+            
+            ret = avahi_server_add_ptr(s, g, interface, protocol, flags | AVAHI_PUBLISH_UNIQUE, AVAHI_DEFAULT_TTL_HOST_NAME, reverse, name);
+            avahi_free(reverse);
+        }
+        
     } else {
-        char *reverse;
         AvahiRecord *r;
 
-        assert(a->family == AVAHI_PROTO_INET6);
+        assert(a->proto == AVAHI_PROTO_INET6);
             
         if (!(r = avahi_record_new_full(name, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_AAAA, AVAHI_DEFAULT_TTL_HOST_NAME))) {
             ret = avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
@@ -1668,30 +1782,34 @@ int avahi_server_add_address(
         }
         
         r->data.aaaa.address = a->data.ipv6;
-        ret = avahi_server_add(s, g, interface, protocol, flags | AVAHI_ENTRY_UNIQUE | AVAHI_ENTRY_ALLOWMUTIPLE, r);
+        ret = avahi_server_add(s, g, interface, protocol, (flags & ~ AVAHI_PUBLISH_NO_REVERSE) | AVAHI_PUBLISH_UNIQUE | AVAHI_PUBLISH_ALLOW_MULTIPLE, r);
         avahi_record_unref(r);
 
         if (ret < 0)
             goto fail;
 
-        if (!(reverse = avahi_reverse_lookup_name_ipv6_arpa(&a->data.ipv6))) {
-            ret = avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
-            goto fail;
-        }
-            
-        ret = avahi_server_add_ptr(s, g, interface, protocol, flags | AVAHI_ENTRY_UNIQUE, AVAHI_DEFAULT_TTL_HOST_NAME, reverse, name);
-        avahi_free(reverse);
+        if (!(flags & AVAHI_PUBLISH_NO_REVERSE)) {
+            char *reverse;
 
-        if (ret < 0)
-            goto fail;
-    
-        if (!(reverse = avahi_reverse_lookup_name_ipv6_int(&a->data.ipv6))) {
-            ret = avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
-            goto fail;
+            if (!(reverse = avahi_reverse_lookup_name_ipv6_arpa(&a->data.ipv6))) {
+                ret = avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
+                goto fail;
+            }
+            
+            ret = avahi_server_add_ptr(s, g, interface, protocol, flags | AVAHI_PUBLISH_UNIQUE, AVAHI_DEFAULT_TTL_HOST_NAME, reverse, name);
+            avahi_free(reverse);
+            
+            if (ret < 0)
+                goto fail;
+            
+            if (!(reverse = avahi_reverse_lookup_name_ipv6_int(&a->data.ipv6))) {
+                ret = avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
+                goto fail;
+            }
+            
+            ret = avahi_server_add_ptr(s, g, interface, protocol, flags | AVAHI_PUBLISH_UNIQUE, AVAHI_DEFAULT_TTL_HOST_NAME, reverse, name);
+            avahi_free(reverse);
         }
-
-        ret = avahi_server_add_ptr(s, g, interface, protocol, flags | AVAHI_ENTRY_UNIQUE, AVAHI_DEFAULT_TTL_HOST_NAME, reverse, name);
-        avahi_free(reverse);
     }
 
 fail:
@@ -1706,7 +1824,7 @@ static int server_add_txt_strlst_nocopy(
     AvahiSEntryGroup *g,
     AvahiIfIndex interface,
     AvahiProtocol protocol,
-    AvahiEntryFlags flags,
+    AvahiPublishFlags flags,
     uint32_t ttl,
     const char *name,
     AvahiStringList *strlst) {
@@ -1715,9 +1833,11 @@ static int server_add_txt_strlst_nocopy(
     int ret;
     
     assert(s);
-    
-    if (!(r = avahi_record_new_full(name ? name : s->host_name_fqdn, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_TXT, ttl)))
+
+    if (!(r = avahi_record_new_full(name ? name : s->host_name_fqdn, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_TXT, ttl))) {
+        avahi_string_list_free(strlst);
         return avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
+    }
     
     r->data.txt.string_list = strlst;
     ret = avahi_server_add(s, g, interface, protocol, flags, r);
@@ -1731,7 +1851,7 @@ int avahi_server_add_txt_strlst(
     AvahiSEntryGroup *g,
     AvahiIfIndex interface,
     AvahiProtocol protocol,
-    AvahiEntryFlags flags,
+    AvahiPublishFlags flags,
     uint32_t ttl,
     const char *name,
     AvahiStringList *strlst) {
@@ -1746,7 +1866,7 @@ int avahi_server_add_txt_va(
     AvahiSEntryGroup *g,
     AvahiIfIndex interface,
     AvahiProtocol protocol,
-    AvahiEntryFlags flags,
+    AvahiPublishFlags flags,
     uint32_t ttl,
     const char *name,
     va_list va) {
@@ -1761,7 +1881,7 @@ int avahi_server_add_txt(
     AvahiSEntryGroup *g,
     AvahiIfIndex interface,
     AvahiProtocol protocol,
-    AvahiEntryFlags flags,
+    AvahiPublishFlags flags,
     uint32_t ttl,
     const char *name,
     ...) {
@@ -1778,26 +1898,20 @@ int avahi_server_add_txt(
     return ret;
 }
 
-static void escape_service_name(char *d, size_t size, const char *s) {
-    assert(d);
-    assert(size);
+static AvahiStringList *add_magic_cookie(
+    AvahiServer *s,
+    AvahiStringList *strlst) {
+
     assert(s);
 
-    while (*s && size >= 2) {
-        if (*s == '.' || *s == '\\') {
-            if (size < 3)
-                break;
+    if (!s->config.add_service_cookie)
+        return strlst;
 
-            *(d++) = '\\';
-            size--;
-        }
-            
-        *(d++) = *(s++);
-        size--;
-    }
+    if (avahi_string_list_find(strlst, AVAHI_SERVICE_COOKIE))
+        /* This string list already contains a magic cookie */
+        return strlst;
 
-    assert(size > 0);
-    *(d++) = 0;
+    return avahi_string_list_add_printf(strlst, AVAHI_SERVICE_COOKIE"=%u", s->local_service_cookie);
 }
 
 static int server_add_service_strlst_nocopy(
@@ -1805,6 +1919,7 @@ static int server_add_service_strlst_nocopy(
     AvahiSEntryGroup *g,
     AvahiIfIndex interface,
     AvahiProtocol protocol,
+    AvahiPublishFlags flags,
     const char *name,
     const char *type,
     const char *domain,
@@ -1812,8 +1927,7 @@ static int server_add_service_strlst_nocopy(
     uint16_t port,
     AvahiStringList *strlst) {
 
-    char ptr_name[256], svc_name[256], ename[64], enum_ptr[256];
-    char *t = NULL, *d = NULL, *h = NULL;
+    char ptr_name[AVAHI_DOMAIN_NAME_MAX], svc_name[AVAHI_DOMAIN_NAME_MAX], enum_ptr[AVAHI_DOMAIN_NAME_MAX], *h = NULL;
     AvahiRecord *r = NULL;
     int ret = AVAHI_OK;
     
@@ -1821,19 +1935,13 @@ static int server_add_service_strlst_nocopy(
     assert(type);
     assert(name);
 
-    if (!avahi_is_valid_service_name(name))
-        return avahi_server_set_errno(s, AVAHI_ERR_INVALID_SERVICE_NAME);
-
-    if (!avahi_is_valid_service_type(type))
-        return avahi_server_set_errno(s, AVAHI_ERR_INVALID_SERVICE_TYPE);
-
-    if (domain && !avahi_is_valid_domain_name(domain))
-        return avahi_server_set_errno(s, AVAHI_ERR_INVALID_DOMAIN_NAME);
-
-    if (host && !avahi_is_valid_domain_name(host))
-        return avahi_server_set_errno(s, AVAHI_ERR_INVALID_HOST_NAME);
-
-    escape_service_name(ename, sizeof(ename), name);
+    AVAHI_CHECK_VALIDITY_SET_RET_GOTO_FAIL(s, AVAHI_IF_VALID(interface), AVAHI_ERR_INVALID_INTERFACE);
+    AVAHI_CHECK_VALIDITY_SET_RET_GOTO_FAIL(s, AVAHI_PROTO_VALID(interface), AVAHI_ERR_INVALID_PROTOCOL);
+    AVAHI_CHECK_VALIDITY_SET_RET_GOTO_FAIL(s, AVAHI_FLAGS_VALID(flags, AVAHI_PUBLISH_NO_COOKIE|AVAHI_PUBLISH_IS_PROXY), AVAHI_ERR_INVALID_FLAGS);
+    AVAHI_CHECK_VALIDITY_SET_RET_GOTO_FAIL(s, avahi_is_valid_service_name(name), AVAHI_ERR_INVALID_SERVICE_NAME);
+    AVAHI_CHECK_VALIDITY_SET_RET_GOTO_FAIL(s, avahi_is_valid_service_type(type), AVAHI_ERR_INVALID_SERVICE_TYPE);
+    AVAHI_CHECK_VALIDITY_SET_RET_GOTO_FAIL(s, !domain || avahi_is_valid_domain_name(domain), AVAHI_ERR_INVALID_DOMAIN_NAME);
+    AVAHI_CHECK_VALIDITY_SET_RET_GOTO_FAIL(s, !host || avahi_is_valid_domain_name(host), AVAHI_ERR_INVALID_HOST_NAME);
 
     if (!domain)
         domain = s->domain_name;
@@ -1841,19 +1949,25 @@ static int server_add_service_strlst_nocopy(
     if (!host)
         host = s->host_name_fqdn;
 
-    if (!(d = avahi_normalize_name(domain)) ||
-        !(t = avahi_normalize_name(type)) ||
-        !(h = avahi_normalize_name(host))) {
+    if (!(h = avahi_normalize_name_strdup(host))) {
         ret = avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
         goto fail;
     }
 
-    snprintf(ptr_name, sizeof(ptr_name), "%s.%s", t, d);
-    snprintf(svc_name, sizeof(svc_name), "%s.%s.%s", ename, t, d);
+    if ((ret = avahi_service_name_join(svc_name, sizeof(svc_name), name, type, domain)) < 0 ||
+        (ret = avahi_service_name_join(ptr_name, sizeof(ptr_name), NULL, type, domain)) < 0 ||
+        (ret = avahi_service_name_join(enum_ptr, sizeof(enum_ptr), NULL, "_services._dns-sd._udp", domain)) < 0) {
+        avahi_server_set_errno(s, ret);
+        goto fail;
+    }
 
-    if ((ret = avahi_server_add_ptr(s, g, interface, protocol, AVAHI_ENTRY_NULL, AVAHI_DEFAULT_TTL, ptr_name, svc_name)) < 0)
+    /* Add service enumeration PTR record */
+    
+    if ((ret = avahi_server_add_ptr(s, g, interface, protocol, flags & AVAHI_PUBLISH_IS_PROXY, AVAHI_DEFAULT_TTL, ptr_name, svc_name)) < 0)
         goto fail;
 
+    /* Add SRV record */
+    
     if (!(r = avahi_record_new_full(svc_name, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_SRV, AVAHI_DEFAULT_TTL_HOST_NAME))) {
         ret = avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
         goto fail;
@@ -1864,37 +1978,43 @@ static int server_add_service_strlst_nocopy(
     r->data.srv.port = port;
     r->data.srv.name = h;
     h = NULL;
-    ret = avahi_server_add(s, g, interface, protocol, AVAHI_ENTRY_UNIQUE, r);
+    ret = avahi_server_add(s, g, interface, protocol, (flags & AVAHI_PUBLISH_IS_PROXY) | AVAHI_PUBLISH_UNIQUE, r);
     avahi_record_unref(r);
 
     if (ret < 0)
         goto fail;
 
-    ret = server_add_txt_strlst_nocopy(s, g, interface, protocol, AVAHI_ENTRY_UNIQUE, AVAHI_DEFAULT_TTL, svc_name, strlst);
+    /* Add TXT record */
+
+    if (!(flags & AVAHI_PUBLISH_NO_COOKIE))
+        strlst = add_magic_cookie(s, strlst);
+    
+    ret = server_add_txt_strlst_nocopy(s, g, interface, protocol, (flags & AVAHI_PUBLISH_IS_PROXY) | AVAHI_PUBLISH_UNIQUE, AVAHI_DEFAULT_TTL, svc_name, strlst);
     strlst = NULL;
 
     if (ret < 0)
         goto fail;
 
-    snprintf(enum_ptr, sizeof(enum_ptr), "_services._dns-sd._udp.%s", d);
-    ret = avahi_server_add_ptr(s, g, interface, protocol, AVAHI_ENTRY_NULL, AVAHI_DEFAULT_TTL, enum_ptr, ptr_name);
+    /* Add service type enumeration record */
+    
+    ret = avahi_server_add_ptr(s, g, interface, protocol, (flags & AVAHI_PUBLISH_IS_PROXY), AVAHI_DEFAULT_TTL, enum_ptr, ptr_name);
 
 fail:
     
-    avahi_free(d);
-    avahi_free(t);
-    avahi_free(h);
-
     avahi_string_list_free(strlst);
+    avahi_free(h);
     
     return ret;
 }
 
+
+
 int avahi_server_add_service_strlst(
     AvahiServer *s,
     AvahiSEntryGroup *g,
     AvahiIfIndex interface,
     AvahiProtocol protocol,
+    AvahiPublishFlags flags,
     const char *name,
     const char *type,
     const char *domain,
@@ -1906,7 +2026,7 @@ int avahi_server_add_service_strlst(
     assert(type);
     assert(name);
 
-    return server_add_service_strlst_nocopy(s, g, interface, protocol, name, type, domain, host, port, avahi_string_list_copy(strlst));
+    return server_add_service_strlst_nocopy(s, g, interface, protocol, flags, name, type, domain, host, port, avahi_string_list_copy(strlst));
 }
 
 int avahi_server_add_service_va(
@@ -1914,18 +2034,19 @@ int avahi_server_add_service_va(
     AvahiSEntryGroup *g,
     AvahiIfIndex interface,
     AvahiProtocol protocol,
+    AvahiPublishFlags flags,
     const char *name,
     const char *type,
     const char *domain,
     const char *host,
     uint16_t port,
-    va_list va){
+    va_list va) {
 
     assert(s);
     assert(type);
     assert(name);
 
-    return server_add_service_strlst_nocopy(s, g, interface, protocol, name, type, domain, host, port, avahi_string_list_new_va(va));
+    return server_add_service_strlst_nocopy(s, g, interface, protocol, flags, name, type, domain, host, port, avahi_string_list_new_va(va));
 }
 
 int avahi_server_add_service(
@@ -1933,6 +2054,7 @@ int avahi_server_add_service(
     AvahiSEntryGroup *g,
     AvahiIfIndex interface,
     AvahiProtocol protocol,
+    AvahiPublishFlags flags,
     const char *name,
     const char *type,
     const char *domain,
@@ -1948,8 +2070,52 @@ int avahi_server_add_service(
     assert(name);
 
     va_start(va, port);
-    ret = avahi_server_add_service_va(s, g, interface, protocol, name, type, domain, host, port, va);
+    ret = avahi_server_add_service_va(s, g, interface, protocol, flags, name, type, domain, host, port, va);
     va_end(va);
+    
+    return ret;
+}
+
+int avahi_server_add_service_subtype(
+    AvahiServer *s,
+    AvahiSEntryGroup *g,
+    AvahiIfIndex interface,
+    AvahiProtocol protocol,
+    AvahiPublishFlags flags,
+    const char *name,        
+    const char *type,        
+    const char *domain,      
+    const char *subtype) {
+
+    int ret = AVAHI_OK;
+    char svc_name[AVAHI_DOMAIN_NAME_MAX], ptr_name[AVAHI_DOMAIN_NAME_MAX];
+    
+    assert(name);
+    assert(type);
+    assert(subtype);
+
+    AVAHI_CHECK_VALIDITY_SET_RET_GOTO_FAIL(s, AVAHI_IF_VALID(interface), AVAHI_ERR_INVALID_INTERFACE);
+    AVAHI_CHECK_VALIDITY_SET_RET_GOTO_FAIL(s, AVAHI_PROTO_VALID(interface), AVAHI_ERR_INVALID_PROTOCOL);
+    AVAHI_CHECK_VALIDITY_SET_RET_GOTO_FAIL(s, AVAHI_FLAGS_VALID(flags, AVAHI_PUBLISH_NO_COOKIE|AVAHI_PUBLISH_IS_PROXY), AVAHI_ERR_INVALID_FLAGS);
+    AVAHI_CHECK_VALIDITY_SET_RET_GOTO_FAIL(s, avahi_is_valid_service_name(name), AVAHI_ERR_INVALID_SERVICE_NAME);
+    AVAHI_CHECK_VALIDITY_SET_RET_GOTO_FAIL(s, avahi_is_valid_service_type(type), AVAHI_ERR_INVALID_SERVICE_TYPE);
+    AVAHI_CHECK_VALIDITY_SET_RET_GOTO_FAIL(s, !domain || avahi_is_valid_domain_name(domain), AVAHI_ERR_INVALID_DOMAIN_NAME);
+    AVAHI_CHECK_VALIDITY_SET_RET_GOTO_FAIL(s, avahi_is_valid_service_type(subtype), AVAHI_ERR_INVALID_SERVICE_SUBTYPE);
+
+    if (!domain)
+        domain = s->domain_name;
+
+    if ((ret = avahi_service_name_join(svc_name, sizeof(svc_name), name, type, domain)) < 0 ||
+        (ret = avahi_service_name_join(ptr_name, sizeof(ptr_name), NULL, subtype, domain)) < 0) {
+        avahi_server_set_errno(s, ret);
+        goto fail;
+    }
+
+    if ((ret = avahi_server_add_ptr(s, g, interface, protocol, flags & AVAHI_PUBLISH_IS_PROXY, AVAHI_DEFAULT_TTL, ptr_name, svc_name)) < 0)
+        goto fail;
+
+fail:
+    
     return ret;
 }
 
@@ -1980,6 +2146,7 @@ int avahi_server_add_dns_server_address(
     AvahiSEntryGroup *g,
     AvahiIfIndex interface,
     AvahiProtocol protocol,
+    AvahiPublishFlags flags,
     const char *domain,
     AvahiDNSServerType type,
     const AvahiAddress *address,
@@ -1987,25 +2154,37 @@ int avahi_server_add_dns_server_address(
 
     AvahiRecord *r;
     int ret;
-    char n[64] = "ip-";
+    char n[64], h[64];
 
     assert(s);
     assert(address);
-    assert(type == AVAHI_DNS_SERVER_UPDATE || type == AVAHI_DNS_SERVER_RESOLVE);
-    assert(address->family == AVAHI_PROTO_INET || address->family == AVAHI_PROTO_INET6);
 
+    if (!AVAHI_IF_VALID(interface))
+        return avahi_server_set_errno(s, AVAHI_ERR_INVALID_INTERFACE);
+
+    if (!AVAHI_PROTO_VALID(protocol) || !AVAHI_PROTO_VALID(address->proto))
+        return avahi_server_set_errno(s, AVAHI_ERR_INVALID_PROTOCOL);
+    
+    if (!AVAHI_FLAGS_VALID(flags, 0) || (type != AVAHI_DNS_SERVER_UPDATE && type != AVAHI_DNS_SERVER_RESOLVE))
+        return avahi_server_set_errno(s, AVAHI_ERR_INVALID_FLAGS);
+    
     if (port == 0)
         return avahi_server_set_errno(s, AVAHI_ERR_INVALID_PORT);
     
     if (domain && !avahi_is_valid_domain_name(domain))
         return avahi_server_set_errno(s, AVAHI_ERR_INVALID_DOMAIN_NAME);
 
-    if (address->family == AVAHI_PROTO_INET) {
-        hexstring(n+3, sizeof(n)-3, &address->data, 4);
+    if (!domain)
+        domain = s->domain_name;
+
+    if (address->proto == AVAHI_PROTO_INET) {
+        hexstring(h, sizeof(h), &address->data, sizeof(AvahiIPv4Address));
+        snprintf(n, sizeof(n), "ip-%s.%s", h, domain);
         r = avahi_record_new_full(n, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_A, AVAHI_DEFAULT_TTL_HOST_NAME);
         r->data.a.address = address->data.ipv4;
     } else {
-        hexstring(n+3, sizeof(n)-3, &address->data, 6);
+        hexstring(h, sizeof(h), &address->data, sizeof(AvahiIPv6Address));
+        snprintf(n, sizeof(n), "ip6-%s.%s", h, domain);
         r = avahi_record_new_full(n, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_AAAA, AVAHI_DEFAULT_TTL_HOST_NAME);
         r->data.aaaa.address = address->data.ipv6;
     }
@@ -2013,13 +2192,13 @@ int avahi_server_add_dns_server_address(
     if (!r)
         return avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
     
-    ret = avahi_server_add(s, g, interface, protocol, AVAHI_ENTRY_UNIQUE | AVAHI_ENTRY_ALLOWMUTIPLE, r);
+    ret = avahi_server_add(s, g, interface, protocol, AVAHI_PUBLISH_UNIQUE | AVAHI_PUBLISH_ALLOW_MULTIPLE, r);
     avahi_record_unref(r);
 
     if (ret < 0)
         return ret;
     
-    return avahi_server_add_dns_server_name(s, g, interface, protocol, domain, type, n, port);
+    return avahi_server_add_dns_server_name(s, g, interface, protocol, flags, domain, type, n, port);
 }
 
 int avahi_server_add_dns_server_name(
@@ -2027,6 +2206,7 @@ int avahi_server_add_dns_server_name(
     AvahiSEntryGroup *g,
     AvahiIfIndex interface,
     AvahiProtocol protocol,
+    AvahiPublishFlags flags,
     const char *domain,
     AvahiDNSServerType type,
     const char *name,
@@ -2038,8 +2218,16 @@ int avahi_server_add_dns_server_name(
     
     assert(s);
     assert(name);
-    assert(type == AVAHI_DNS_SERVER_UPDATE || type == AVAHI_DNS_SERVER_RESOLVE);
 
+    if (!AVAHI_IF_VALID(interface))
+        return avahi_server_set_errno(s, AVAHI_ERR_INVALID_INTERFACE);
+
+    if (!AVAHI_PROTO_VALID(protocol))
+        return avahi_server_set_errno(s, AVAHI_ERR_INVALID_PROTOCOL);
+
+    if (!AVAHI_FLAGS_VALID(flags, 0) || (type != AVAHI_DNS_SERVER_UPDATE && type != AVAHI_DNS_SERVER_RESOLVE))
+        return avahi_server_set_errno(s, AVAHI_ERR_INVALID_FLAGS);
+    
     if (port == 0)
         return avahi_server_set_errno(s, AVAHI_ERR_INVALID_PORT);
 
@@ -2048,13 +2236,12 @@ int avahi_server_add_dns_server_name(
 
     if (domain && !avahi_is_valid_domain_name(domain))
         return avahi_server_set_errno(s, AVAHI_ERR_INVALID_DOMAIN_NAME);
-
     
     if (!domain)
         domain = s->domain_name;
 
-    if (!(n = avahi_normalize_name(name)) ||
-        !(d = avahi_normalize_name(domain))) {
+    if (!(n = avahi_normalize_name_strdup(name)) ||
+        !(d = avahi_normalize_name_strdup(domain))) {
         avahi_free(n);
         avahi_free(d);
         return avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
@@ -2072,7 +2259,7 @@ int avahi_server_add_dns_server_name(
     r->data.srv.weight = 0;
     r->data.srv.port = port;
     r->data.srv.name = n;
-    ret = avahi_server_add(s, g, interface, protocol, AVAHI_ENTRY_NULL, r);
+    ret = avahi_server_add(s, g, interface, protocol, AVAHI_PUBLISH_NULL, r);
     avahi_record_unref(r);
 
     return ret;
@@ -2103,6 +2290,22 @@ void avahi_s_entry_group_change_state(AvahiSEntryGroup *g, AvahiEntryGroupState
 
     assert(state <= AVAHI_ENTRY_GROUP_COLLISION);
 
+    if (g->state == AVAHI_ENTRY_GROUP_ESTABLISHED) {
+
+        /* If the entry group was established for a time longer then
+         * 5s, reset the establishment trial counter */
+        
+        if (avahi_age(&g->established_at) > 5000000)
+            g->n_register_try = 0;
+    }
+    
+    if (state == AVAHI_ENTRY_GROUP_ESTABLISHED)
+
+        /* If the entry group is now established, remember the time
+         * this happened */
+        
+        gettimeofday(&g->established_at, NULL);
+    
     g->state = state;
     
     if (g->callback)
@@ -2225,26 +2428,23 @@ void avahi_s_entry_group_reset(AvahiSEntryGroup *g) {
     AvahiEntry *e;
     assert(g);
     
-    if (g->register_time_event) {
-        avahi_time_event_free(g->register_time_event);
-        g->register_time_event = NULL;
-    }
-    
     for (e = g->entries; e; e = e->by_group_next) {
         if (!e->dead) {
             avahi_goodbye_entry(g->server, e, 1);
             e->dead = 1;
         }
     }
+    g->server->need_entry_cleanup = 1;
 
     if (g->register_time_event) {
         avahi_time_event_free(g->register_time_event);
         g->register_time_event = NULL;
     }
     
-    g->server->need_entry_cleanup = 1;
     g->n_probing = 0;
 
+    gettimeofday(&g->register_time, NULL);
+
     avahi_s_entry_group_change_state(g, AVAHI_ENTRY_GROUP_UNCOMMITED);
 }
 
@@ -2340,6 +2540,10 @@ AvahiServerConfig* avahi_server_config_init(AvahiServerConfig *c) {
     c->use_iff_running = 0;
     c->enable_reflector = 0;
     c->reflect_ipv = 0;
+    c->add_service_cookie = 1;
+    c->enable_wide_area = 0;
+    c->n_wide_area_servers = 0;
+    c->disallow_other_stacks = 0;
     
     return c;
 }
@@ -2386,3 +2590,62 @@ int avahi_server_set_errno(AvahiServer *s, int error) {
     return s->error = error;
 }
 
+uint32_t avahi_server_get_local_service_cookie(AvahiServer *s) {
+    assert(s);
+
+    return s->local_service_cookie;
+}
+
+int avahi_server_is_service_local(AvahiServer *s, AvahiIfIndex interface, AvahiProtocol protocol, const char *name, const char *type, const char*domain) {
+    AvahiKey *key = NULL;
+    char n[256];
+    int ret;
+    AvahiEntry *e;
+    
+    assert(s);
+    assert(name);
+    assert(type);
+    assert(domain);
+
+    if (!avahi_is_valid_service_name(name))
+        return avahi_server_set_errno(s, AVAHI_ERR_INVALID_SERVICE_NAME);
+
+    if (!avahi_is_valid_service_type(type))
+        return avahi_server_set_errno(s, AVAHI_ERR_INVALID_SERVICE_TYPE);
+
+    if (domain && !avahi_is_valid_domain_name(domain))
+        return avahi_server_set_errno(s, AVAHI_ERR_INVALID_DOMAIN_NAME);
+
+    if ((ret = avahi_service_name_join(n, sizeof(n), name, type, domain) < 0))
+        return avahi_server_set_errno(s, ret);
+        
+    if (!(key = avahi_key_new(n, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_SRV)))
+        return avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
+
+    ret = 0;
+    
+    for (e = avahi_hashmap_lookup(s->entries_by_key, key); e; e = e->by_key_next) {
+
+        if ((e->interface == interface || e->interface <= 0 || interface <= 0) &&
+            (e->protocol == protocol || e->protocol == AVAHI_PROTO_UNSPEC || protocol == AVAHI_PROTO_UNSPEC) &&
+            !(e->flags & AVAHI_PUBLISH_IS_PROXY)) {
+            ret = 1;
+            break;
+        }
+    }
+    
+    avahi_key_unref(key);
+    
+    return ret;
+}
+
+/** Set the wide area DNS servers */
+int avahi_server_set_wide_area_servers(AvahiServer *s, const AvahiAddress *a, unsigned n) {
+    assert(s);
+
+    if (!s->wide_area_lookup_engine)
+        return avahi_server_set_errno(s, AVAHI_ERR_INVALID_CONFIG);
+
+    avahi_wide_area_set_servers(s->wide_area_lookup_engine, a, n);
+    return AVAHI_OK;
+}