#include <config.h>
#endif
-#include <sys/socket.h>
-#include <arpa/inet.h>
#include <string.h>
-#include <sys/utsname.h>
#include <unistd.h>
#include <errno.h>
#include <stdio.h>
#include <assert.h>
#include <stdlib.h>
+#include <arpa/inet.h>
+
+#include <sys/utsname.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+
#include <avahi-common/domain.h>
#include <avahi-common/timeval.h>
#include <avahi-common/malloc.h>
#include <avahi-common/error.h>
+#include <avahi-common/domain.h>
#include "internal.h"
#include "iface.h"
#include "log.h"
#include "util.h"
#include "dns-srv-rr.h"
+#include "rr-util.h"
+#include "domain-util.h"
+
+static void transport_flags_from_domain(AvahiServer *s, AvahiPublishFlags *flags, const char *domain) {
+ assert(flags);
+ assert(domain);
+
+ assert(!((*flags & AVAHI_PUBLISH_USE_MULTICAST) && (*flags & AVAHI_PUBLISH_USE_WIDE_AREA)));
+
+ if (*flags & (AVAHI_PUBLISH_USE_MULTICAST|AVAHI_PUBLISH_USE_WIDE_AREA))
+ return;
+
+ if (!s->wide_area_lookup_engine ||
+ !avahi_wide_area_has_servers(s->wide_area_lookup_engine) ||
+ avahi_domain_ends_with(domain, AVAHI_MDNS_SUFFIX_LOCAL) ||
+ avahi_domain_ends_with(domain, AVAHI_MDNS_SUFFIX_ADDR_IPV4) ||
+ avahi_domain_ends_with(domain, AVAHI_MDNS_SUFFIX_ADDR_IPV6))
+ *flags |= AVAHI_PUBLISH_USE_MULTICAST;
+ else
+ *flags |= AVAHI_PUBLISH_USE_WIDE_AREA;
+}
void avahi_entry_free(AvahiServer*s, AvahiEntry *e) {
AvahiEntry *t;
return 0;
}
-int avahi_server_add(
+static AvahiEntry * server_add_internal(
AvahiServer *s,
AvahiSEntryGroup *g,
AvahiIfIndex interface,
AvahiProtocol protocol,
AvahiPublishFlags flags,
AvahiRecord *r) {
+
+ AvahiEntry *e;
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|
- AVAHI_PUBLISH_UPDATE))
- 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);
+ AVAHI_CHECK_VALIDITY_RETURN_NULL(s, s->state != AVAHI_SERVER_FAILURE && s->state != AVAHI_SERVER_INVALID, AVAHI_ERR_BAD_STATE);
+ AVAHI_CHECK_VALIDITY_RETURN_NULL(s, AVAHI_IF_VALID(interface), AVAHI_ERR_INVALID_INTERFACE);
+ AVAHI_CHECK_VALIDITY_RETURN_NULL(s, AVAHI_PROTO_VALID(protocol), AVAHI_ERR_INVALID_PROTOCOL);
+ AVAHI_CHECK_VALIDITY_RETURN_NULL(s, AVAHI_FLAGS_VALID(
+ flags,
+ AVAHI_PUBLISH_NO_ANNOUNCE|
+ AVAHI_PUBLISH_NO_PROBE|
+ AVAHI_PUBLISH_UNIQUE|
+ AVAHI_PUBLISH_ALLOW_MULTIPLE|
+ AVAHI_PUBLISH_UPDATE|
+ AVAHI_PUBLISH_USE_WIDE_AREA|
+ AVAHI_PUBLISH_USE_MULTICAST), AVAHI_ERR_INVALID_FLAGS);
+ AVAHI_CHECK_VALIDITY_RETURN_NULL(s, avahi_is_valid_domain_name(r->key->name), AVAHI_ERR_INVALID_HOST_NAME);
+ AVAHI_CHECK_VALIDITY_RETURN_NULL(s, r->ttl != 0, AVAHI_ERR_INVALID_TTL);
+ AVAHI_CHECK_VALIDITY_RETURN_NULL(s, !avahi_key_is_pattern(r->key), AVAHI_ERR_IS_PATTERN);
+ AVAHI_CHECK_VALIDITY_RETURN_NULL(s, avahi_record_is_valid(r), AVAHI_ERR_INVALID_RECORD);
+ AVAHI_CHECK_VALIDITY_RETURN_NULL(s, r->key->clazz == AVAHI_DNS_CLASS_IN, AVAHI_ERR_INVALID_DNS_CLASS);
+ AVAHI_CHECK_VALIDITY_RETURN_NULL(s,
+ (r->key->type != 0) &&
+ (r->key->type != AVAHI_DNS_TYPE_ANY) &&
+ (r->key->type != AVAHI_DNS_TYPE_OPT) &&
+ (r->key->type != AVAHI_DNS_TYPE_TKEY) &&
+ (r->key->type != AVAHI_DNS_TYPE_TSIG) &&
+ (r->key->type != AVAHI_DNS_TYPE_IXFR) &&
+ (r->key->type != AVAHI_DNS_TYPE_AXFR), AVAHI_ERR_INVALID_DNS_TYPE);
+
+ transport_flags_from_domain(s, &flags, r->key->name);
+ AVAHI_CHECK_VALIDITY_RETURN_NULL(s, flags & AVAHI_PUBLISH_USE_MULTICAST, AVAHI_ERR_NOT_SUPPORTED);
+ AVAHI_CHECK_VALIDITY_RETURN_NULL(s, !s->config.disable_publishing, AVAHI_ERR_NOT_PERMITTED);
+ AVAHI_CHECK_VALIDITY_RETURN_NULL(s,
+ !g ||
+ (g->state != AVAHI_ENTRY_GROUP_ESTABLISHED && g->state != AVAHI_ENTRY_GROUP_REGISTERING) ||
+ (flags & AVAHI_PUBLISH_UPDATE), AVAHI_ERR_BAD_STATE);
- if (r->ttl == 0)
- return avahi_server_set_errno(s, AVAHI_ERR_INVALID_TTL);
-
- if (avahi_key_is_pattern(r->key))
- return avahi_server_set_errno(s, AVAHI_ERR_IS_PATTERN);
-
- if (!avahi_record_is_valid(r))
- return avahi_server_set_errno(s, AVAHI_ERR_INVALID_RECORD);
-
if (flags & AVAHI_PUBLISH_UPDATE) {
- AvahiEntry *e;
AvahiRecord *old_record;
int is_first = 1;
}
/* Hmm, nothing found? */
- if (!e)
- return avahi_server_set_errno(s, AVAHI_ERR_NOT_FOUND);
+ if (!e) {
+ avahi_server_set_errno(s, AVAHI_ERR_NOT_FOUND);
+ return NULL;
+ }
/* Update the entry */
old_record = e->record;
avahi_record_unref(old_record);
} else {
- AvahiEntry *e, *t;
+ AvahiEntry *t;
/* Add a new record */
- if (check_record_conflict(s, interface, protocol, r, flags) < 0)
- return avahi_server_set_errno(s, AVAHI_ERR_LOCAL_COLLISION);
+ if (check_record_conflict(s, interface, protocol, r, flags) < 0) {
+ avahi_server_set_errno(s, AVAHI_ERR_COLLISION);
+ return NULL;
+ }
- if (!(e = avahi_new(AvahiEntry, 1)))
- return avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
+ if (!(e = avahi_new(AvahiEntry, 1))) {
+ avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
+ return NULL;
+ }
e->server = s;
e->record = avahi_record_ref(r);
avahi_announce_entry(s, e);
}
+ return e;
+}
+
+int avahi_server_add(
+ AvahiServer *s,
+ AvahiSEntryGroup *g,
+ AvahiIfIndex interface,
+ AvahiProtocol protocol,
+ AvahiPublishFlags flags,
+ AvahiRecord *r) {
+
+ if (!server_add_internal(s, g, interface, protocol, flags, r))
+ return avahi_server_errno(s);
+
return AVAHI_OK;
}
return AVAHI_OK;
}
-int avahi_server_add_ptr(
+static AvahiEntry *server_add_ptr_internal(
AvahiServer *s,
AvahiSEntryGroup *g,
AvahiIfIndex interface,
const char *dest) {
AvahiRecord *r;
- int ret;
-
+ AvahiEntry *e;
+
assert(s);
assert(dest);
- 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);
+ AVAHI_CHECK_VALIDITY_RETURN_NULL(s, !name || avahi_is_valid_domain_name(name), AVAHI_ERR_INVALID_HOST_NAME);
+ AVAHI_CHECK_VALIDITY_RETURN_NULL(s, avahi_is_valid_domain_name(dest), 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);
+
+ if (!(r = avahi_record_new_full(name, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_PTR, ttl))) {
+ avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
+ return NULL;
+ }
r->data.ptr.name = avahi_normalize_name_strdup(dest);
- ret = avahi_server_add(s, g, interface, protocol, flags, r);
+ e = server_add_internal(s, g, interface, protocol, flags, r);
avahi_record_unref(r);
- return ret;
+ return e;
+}
+
+int avahi_server_add_ptr(
+ AvahiServer *s,
+ AvahiSEntryGroup *g,
+ AvahiIfIndex interface,
+ AvahiProtocol protocol,
+ AvahiPublishFlags flags,
+ uint32_t ttl,
+ const char *name,
+ const char *dest) {
+
+ AvahiEntry *e;
+
+ assert(s);
+
+ if (!(e = server_add_ptr_internal(s, g, interface, protocol, flags, ttl, name, dest)))
+ return avahi_server_errno(s);
+
+ return AVAHI_OK;
}
int avahi_server_add_address(
const char *name,
AvahiAddress *a) {
- char *n = NULL;
+ char n[AVAHI_DOMAIN_NAME_MAX];
int ret = AVAHI_OK;
+ AvahiEntry *entry = NULL, *reverse = NULL;
+ AvahiRecord *r;
assert(s);
assert(a);
- if (!AVAHI_IF_VALID(interface))
- return avahi_server_set_errno(s, AVAHI_ERR_INVALID_INTERFACE);
-
- 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|AVAHI_PUBLISH_UPDATE))
- return avahi_server_set_errno(s, AVAHI_ERR_INVALID_FLAGS);
+ AVAHI_CHECK_VALIDITY(s, AVAHI_IF_VALID(interface), AVAHI_ERR_INVALID_INTERFACE);
+ AVAHI_CHECK_VALIDITY(s, AVAHI_PROTO_VALID(protocol) && AVAHI_PROTO_VALID(a->proto), AVAHI_ERR_INVALID_PROTOCOL);
+ AVAHI_CHECK_VALIDITY(s, AVAHI_FLAGS_VALID(flags,
+ AVAHI_PUBLISH_NO_REVERSE|
+ AVAHI_PUBLISH_NO_ANNOUNCE|
+ AVAHI_PUBLISH_NO_PROBE|
+ AVAHI_PUBLISH_UPDATE|
+ AVAHI_PUBLISH_USE_WIDE_AREA|
+ AVAHI_PUBLISH_USE_MULTICAST), AVAHI_ERR_INVALID_FLAGS);
+ AVAHI_CHECK_VALIDITY(s, !name || avahi_is_valid_domain_name(name), AVAHI_ERR_INVALID_HOST_NAME);
+
+ /* Prepare the host naem */
- 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);
-
+ AVAHI_ASSERT_TRUE(avahi_normalize_name(name, n, sizeof(n)));
name = n;
}
+
+ transport_flags_from_domain(s, &flags, name);
+ AVAHI_CHECK_VALIDITY(s, flags & AVAHI_PUBLISH_USE_MULTICAST, AVAHI_ERR_NOT_SUPPORTED);
+
+ /* Create the A/AAAA record */
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))) {
ret = avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
- goto fail;
+ goto finish;
}
r->data.a.address = a->data.ipv4;
- 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 (!(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 {
- AvahiRecord *r;
-
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);
- goto fail;
+ goto finish;
}
r->data.aaaa.address = a->data.ipv6;
- 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;
+ }
+
+ entry = server_add_internal(s, g, interface, protocol, (flags & ~ AVAHI_PUBLISH_NO_REVERSE) | AVAHI_PUBLISH_UNIQUE | AVAHI_PUBLISH_ALLOW_MULTIPLE, r);
+ avahi_record_unref(r);
- if (!(flags & AVAHI_PUBLISH_NO_REVERSE)) {
- char *reverse;
+ if (!entry) {
+ ret = avahi_server_errno(s);
+ goto finish;
+ }
- 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;
- }
+ /* Create the reverse lookup entry */
+
+ if (!(flags & AVAHI_PUBLISH_NO_REVERSE)) {
+ char reverse_n[AVAHI_DOMAIN_NAME_MAX];
+ avahi_reverse_lookup_name(a, reverse_n, sizeof(reverse_n));
- ret = avahi_server_add_ptr(s, g, interface, protocol, flags | AVAHI_PUBLISH_UNIQUE, AVAHI_DEFAULT_TTL_HOST_NAME, reverse, name);
- avahi_free(reverse);
+ if (!(reverse = server_add_ptr_internal(s, g, interface, protocol, flags | AVAHI_PUBLISH_UNIQUE, AVAHI_DEFAULT_TTL_HOST_NAME, reverse_n, name))) {
+ ret = avahi_server_errno(s);
+ goto finish;
}
}
-
-fail:
- avahi_free(n);
+finish:
+
+ if (ret != AVAHI_OK && !(flags & AVAHI_PUBLISH_UPDATE)) {
+ if (entry)
+ avahi_entry_free(s, entry);
+ if (reverse)
+ avahi_entry_free(s, reverse);
+ }
return ret;
}
-static int server_add_txt_strlst_nocopy(
+static AvahiEntry *server_add_txt_strlst_nocopy(
AvahiServer *s,
AvahiSEntryGroup *g,
AvahiIfIndex interface,
AvahiStringList *strlst) {
AvahiRecord *r;
- int ret;
+ AvahiEntry *e;
assert(s);
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);
+ avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
+ return NULL;
}
r->data.txt.string_list = strlst;
- ret = avahi_server_add(s, g, interface, protocol, flags, r);
+ e = server_add_internal(s, g, interface, protocol, flags, r);
avahi_record_unref(r);
- return ret;
+ return e;
}
static AvahiStringList *add_magic_cookie(
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;
+ AvahiEntry *srv_entry = NULL, *txt_entry = NULL, *ptr_entry = NULL, *enum_entry = NULL;
assert(s);
assert(type);
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(protocol), 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_PUBLISH_UPDATE), AVAHI_ERR_INVALID_FLAGS);
+ AVAHI_CHECK_VALIDITY_SET_RET_GOTO_FAIL(s, AVAHI_FLAGS_VALID(flags,
+ AVAHI_PUBLISH_NO_COOKIE|
+ AVAHI_PUBLISH_UPDATE|
+ AVAHI_PUBLISH_USE_WIDE_AREA|
+ AVAHI_PUBLISH_USE_MULTICAST), 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_strict(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);
if (!host)
host = s->host_name_fqdn;
+ transport_flags_from_domain(s, &flags, domain);
+ AVAHI_CHECK_VALIDITY_SET_RET_GOTO_FAIL(s, flags & AVAHI_PUBLISH_USE_MULTICAST, AVAHI_ERR_NOT_SUPPORTED);
+
if (!(h = avahi_normalize_name_strdup(host))) {
ret = avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
goto fail;
/* 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)
+ if (!(ptr_entry = server_add_ptr_internal(s, g, interface, protocol, 0, AVAHI_DEFAULT_TTL, ptr_name, svc_name))) {
+ ret = avahi_server_errno(s);
goto fail;
+ }
/* Add SRV record */
r->data.srv.port = port;
r->data.srv.name = h;
h = NULL;
- ret = avahi_server_add(s, g, interface, protocol, (flags & AVAHI_PUBLISH_IS_PROXY) | AVAHI_PUBLISH_UNIQUE, r);
+ srv_entry = server_add_internal(s, g, interface, protocol, AVAHI_PUBLISH_UNIQUE, r);
avahi_record_unref(r);
- if (ret < 0)
+ if (!srv_entry) {
+ ret = avahi_server_errno(s);
goto fail;
+ }
/* 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);
+ txt_entry = server_add_txt_strlst_nocopy(s, g, interface, protocol, AVAHI_PUBLISH_UNIQUE, AVAHI_DEFAULT_TTL, svc_name, strlst);
strlst = NULL;
- if (ret < 0)
+ if (!txt_entry) {
+ ret = avahi_server_errno(s);
goto fail;
+ }
/* 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);
+ if (!(enum_entry = server_add_ptr_internal(s, g, interface, protocol, 0, AVAHI_DEFAULT_TTL, enum_ptr, ptr_name))) {
+ ret = avahi_server_errno(s);
+ goto fail;
+ }
fail:
+ if (ret != AVAHI_OK && !(flags & AVAHI_PUBLISH_UPDATE)) {
+ if (srv_entry)
+ avahi_entry_free(s, srv_entry);
+ if (txt_entry)
+ avahi_entry_free(s, txt_entry);
+ if (ptr_entry)
+ avahi_entry_free(s, ptr_entry);
+ if (enum_entry)
+ avahi_entry_free(s, enum_entry);
+ }
avahi_string_list_free(strlst);
avahi_free(h);
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(
- AvahiServer *s,
- 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) {
-
- assert(s);
- assert(type);
- assert(name);
-
- 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(
AvahiServer *s,
AvahiSEntryGroup *g,
int ret;
va_start(va, port);
- ret = avahi_server_add_service_va(s, g, interface, protocol, flags, name, type, domain, host, port, va);
+ ret = server_add_service_strlst_nocopy(s, g, interface, protocol, flags, name, type, domain, host, port, avahi_string_list_new_va(va));
va_end(va);
return ret;
char svc_name[AVAHI_DOMAIN_NAME_MAX];
int ret = AVAHI_OK;
+ AvahiEntry *e;
assert(s);
assert(type);
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(protocol), AVAHI_ERR_INVALID_PROTOCOL);
- AVAHI_CHECK_VALIDITY_SET_RET_GOTO_FAIL(s, AVAHI_FLAGS_VALID(flags, AVAHI_PUBLISH_IS_PROXY|AVAHI_PUBLISH_NO_COOKIE), AVAHI_ERR_INVALID_FLAGS);
+ AVAHI_CHECK_VALIDITY_SET_RET_GOTO_FAIL(s, AVAHI_FLAGS_VALID(flags,
+ AVAHI_PUBLISH_NO_COOKIE|
+ AVAHI_PUBLISH_USE_WIDE_AREA|
+ AVAHI_PUBLISH_USE_MULTICAST), 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_strict(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);
if (!domain)
domain = s->domain_name;
+ transport_flags_from_domain(s, &flags, domain);
+ AVAHI_CHECK_VALIDITY_SET_RET_GOTO_FAIL(s, flags & AVAHI_PUBLISH_USE_MULTICAST, AVAHI_ERR_NOT_SUPPORTED);
+
if ((ret = avahi_service_name_join(svc_name, sizeof(svc_name), name, type, domain)) < 0) {
avahi_server_set_errno(s, ret);
goto fail;
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_PUBLISH_UPDATE, AVAHI_DEFAULT_TTL, svc_name, strlst);
+ e = server_add_txt_strlst_nocopy(s, g, interface, protocol, AVAHI_PUBLISH_UNIQUE | AVAHI_PUBLISH_UPDATE, AVAHI_DEFAULT_TTL, svc_name, strlst);
strlst = NULL;
+ if (!e)
+ ret = avahi_server_errno(s);
+
fail:
avahi_string_list_free(strlst);
return server_update_service_txt_strlst_nocopy(s, g, interface, protocol, flags, name, type, domain, avahi_string_list_copy(strlst));
}
-/** Update the TXT record for a service with the NULL terminated list of strings of the va_list. */
-int avahi_server_update_service_txt_va(
- AvahiServer *s,
- AvahiSEntryGroup *g,
- AvahiIfIndex interface,
- AvahiProtocol protocol,
- AvahiPublishFlags flags,
- const char *name,
- const char *type,
- const char *domain,
- va_list va) {
-
- return server_update_service_txt_strlst_nocopy(s, g, interface, protocol, flags, name, type, domain, avahi_string_list_new_va(va));
-}
-
/** Update the TXT record for a service with the NULL termonate list of strings */
int avahi_server_update_service_txt(
AvahiServer *s,
int ret;
va_start(va, domain);
- ret = avahi_server_update_service_txt_va(s, g, interface, protocol, flags, name, type, domain, va);
+ ret = server_update_service_txt_strlst_nocopy(s, g, interface, protocol, flags, name, type, domain, avahi_string_list_new_va(va));
va_end(va);
return ret;
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(protocol), AVAHI_ERR_INVALID_PROTOCOL);
- AVAHI_CHECK_VALIDITY_SET_RET_GOTO_FAIL(s, AVAHI_FLAGS_VALID(flags, 0), AVAHI_ERR_INVALID_FLAGS);
+ AVAHI_CHECK_VALIDITY_SET_RET_GOTO_FAIL(s, AVAHI_FLAGS_VALID(flags, AVAHI_PUBLISH_USE_MULTICAST|AVAHI_PUBLISH_USE_WIDE_AREA), 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_strict(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);
if (!domain)
domain = s->domain_name;
+ transport_flags_from_domain(s, &flags, domain);
+ AVAHI_CHECK_VALIDITY_SET_RET_GOTO_FAIL(s, flags & AVAHI_PUBLISH_USE_MULTICAST, AVAHI_ERR_NOT_SUPPORTED);
+
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)
+ if ((ret = avahi_server_add_ptr(s, g, interface, protocol, 0, AVAHI_DEFAULT_TTL, ptr_name, svc_name)) < 0)
goto fail;
fail:
*s = 0;
}
-int avahi_server_add_dns_server_address(
+static AvahiEntry *server_add_dns_server_name(
AvahiServer *s,
AvahiSEntryGroup *g,
AvahiIfIndex interface,
AvahiPublishFlags flags,
const char *domain,
AvahiDNSServerType type,
- const AvahiAddress *address,
+ const char *name,
uint16_t port /** should be 53 */) {
+ AvahiEntry *e;
+ char t[AVAHI_DOMAIN_NAME_MAX], normalized_d[AVAHI_DOMAIN_NAME_MAX], *n;
+
AvahiRecord *r;
- int ret;
- char n[64], h[64];
-
+
assert(s);
- assert(address);
-
- if (!AVAHI_IF_VALID(interface))
- return avahi_server_set_errno(s, AVAHI_ERR_INVALID_INTERFACE);
+ assert(name);
- 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);
+ AVAHI_CHECK_VALIDITY_RETURN_NULL(s, AVAHI_FLAGS_VALID(flags, AVAHI_PUBLISH_USE_WIDE_AREA|AVAHI_PUBLISH_USE_MULTICAST), AVAHI_ERR_INVALID_FLAGS);
+ AVAHI_CHECK_VALIDITY_RETURN_NULL(s, type == AVAHI_DNS_SERVER_UPDATE || type == AVAHI_DNS_SERVER_RESOLVE, AVAHI_ERR_INVALID_FLAGS);
+ AVAHI_CHECK_VALIDITY_RETURN_NULL(s, port != 0, AVAHI_ERR_INVALID_PORT);
+ AVAHI_CHECK_VALIDITY_RETURN_NULL(s, avahi_is_valid_domain_name(name), AVAHI_ERR_INVALID_HOST_NAME);
+ AVAHI_CHECK_VALIDITY_RETURN_NULL(s, !domain || avahi_is_valid_domain_name(domain), AVAHI_ERR_INVALID_DOMAIN_NAME);
- 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 (!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(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;
+ transport_flags_from_domain(s, &flags, domain);
+ AVAHI_CHECK_VALIDITY_RETURN_NULL(s, flags & AVAHI_PUBLISH_USE_MULTICAST, AVAHI_ERR_NOT_SUPPORTED);
+
+ if (!(n = avahi_normalize_name_strdup(name))) {
+ avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
+ return NULL;
}
+
+ AVAHI_ASSERT_TRUE(avahi_normalize_name(domain, normalized_d, sizeof(normalized_d)));
- if (!r)
- return avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
+ snprintf(t, sizeof(t), "%s.%s", type == AVAHI_DNS_SERVER_RESOLVE ? "_domain._udp" : "_dns-update._udp", normalized_d);
- ret = avahi_server_add(s, g, interface, protocol, AVAHI_PUBLISH_UNIQUE | AVAHI_PUBLISH_ALLOW_MULTIPLE, r);
+ if (!(r = avahi_record_new_full(t, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_SRV, AVAHI_DEFAULT_TTL_HOST_NAME))) {
+ avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
+ avahi_free(n);
+ return NULL;
+ }
+
+ r->data.srv.priority = 0;
+ r->data.srv.weight = 0;
+ r->data.srv.port = port;
+ r->data.srv.name = n;
+ e = server_add_internal(s, g, interface, protocol, 0, r);
avahi_record_unref(r);
- if (ret < 0)
- return ret;
-
- return avahi_server_add_dns_server_name(s, g, interface, protocol, flags, domain, type, n, port);
+ return e;
}
-int avahi_server_add_dns_server_name(
+int avahi_server_add_dns_server_address(
AvahiServer *s,
AvahiSEntryGroup *g,
AvahiIfIndex interface,
AvahiPublishFlags flags,
const char *domain,
AvahiDNSServerType type,
- const char *name,
+ const AvahiAddress *address,
uint16_t port /** should be 53 */) {
- int ret = -1;
- char t[256], *d = NULL, *n = NULL;
AvahiRecord *r;
-
- assert(s);
- assert(name);
-
- 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);
+ char n[64], h[64];
+ AvahiEntry *a_entry, *s_entry;
- 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);
+ assert(s);
+ assert(address);
- if (!avahi_is_valid_domain_name(name))
- return avahi_server_set_errno(s, AVAHI_ERR_INVALID_HOST_NAME);
+ AVAHI_CHECK_VALIDITY(s, AVAHI_IF_VALID(interface), AVAHI_ERR_INVALID_INTERFACE);
+ AVAHI_CHECK_VALIDITY(s, AVAHI_PROTO_VALID(protocol) && AVAHI_PROTO_VALID(address->proto), AVAHI_ERR_INVALID_PROTOCOL);
+ AVAHI_CHECK_VALIDITY(s, AVAHI_FLAGS_VALID(flags, AVAHI_PUBLISH_USE_MULTICAST|AVAHI_PUBLISH_USE_WIDE_AREA), AVAHI_ERR_INVALID_FLAGS);
+ AVAHI_CHECK_VALIDITY(s, type == AVAHI_DNS_SERVER_UPDATE || type == AVAHI_DNS_SERVER_RESOLVE, AVAHI_ERR_INVALID_FLAGS);
+ AVAHI_CHECK_VALIDITY(s, port != 0, AVAHI_ERR_INVALID_PORT);
+ AVAHI_CHECK_VALIDITY(s, !domain || avahi_is_valid_domain_name(domain), AVAHI_ERR_INVALID_DOMAIN_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_strdup(name)) ||
- !(d = avahi_normalize_name_strdup(domain))) {
- avahi_free(n);
- avahi_free(d);
- return avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
+ transport_flags_from_domain(s, &flags, domain);
+ AVAHI_CHECK_VALIDITY(s, flags & AVAHI_PUBLISH_USE_MULTICAST, AVAHI_ERR_NOT_SUPPORTED);
+
+ 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(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;
}
- snprintf(t, sizeof(t), "%s.%s", type == AVAHI_DNS_SERVER_RESOLVE ? "_domain._udp" : "_dns-update._udp", d);
- avahi_free(d);
-
- if (!(r = avahi_record_new_full(t, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_SRV, AVAHI_DEFAULT_TTL_HOST_NAME))) {
- avahi_free(n);
+ if (!r)
return avahi_server_set_errno(s, AVAHI_ERR_NO_MEMORY);
- }
- r->data.srv.priority = 0;
- r->data.srv.weight = 0;
- r->data.srv.port = port;
- r->data.srv.name = n;
- ret = avahi_server_add(s, g, interface, protocol, AVAHI_PUBLISH_NULL, r);
+ a_entry = server_add_internal(s, g, interface, protocol, AVAHI_PUBLISH_UNIQUE | AVAHI_PUBLISH_ALLOW_MULTIPLE, r);
avahi_record_unref(r);
- return ret;
+ if (!a_entry)
+ return avahi_server_errno(s);
+
+ if (!(s_entry = server_add_dns_server_name(s, g, interface, protocol, flags, domain, type, n, port))) {
+ if (!(flags & AVAHI_PUBLISH_UPDATE))
+ avahi_entry_free(s, a_entry);
+ return avahi_server_errno(s);
+ }
+
+ return AVAHI_OK;
}
void avahi_s_entry_group_change_state(AvahiSEntryGroup *g, AvahiEntryGroupState state) {
avahi_s_entry_group_change_state(g, AVAHI_ENTRY_GROUP_REGISTERING);
- if (!g->dead) {
- avahi_announce_group(g->server, g);
- avahi_s_entry_group_check_probed(g, 0);
- }
+ if (g->dead)
+ return;
+
+ avahi_announce_group(g->server, g);
+ avahi_s_entry_group_check_probed(g, 0);
}
-static void entry_group_register_time_event_callback(AvahiTimeEvent *e, void* userdata) {
+static void entry_group_register_time_event_callback(AVAHI_GCC_UNUSED AvahiTimeEvent *e, void* userdata) {
AvahiSEntryGroup *g = userdata;
assert(g);
-/* avahi_log_debug("Holdoff passed, waking up and going on."); */
-
avahi_time_event_free(g->register_time_event);
g->register_time_event = NULL;
if (g->state != AVAHI_ENTRY_GROUP_UNCOMMITED && g->state != AVAHI_ENTRY_GROUP_COLLISION)
return avahi_server_set_errno(g->server, AVAHI_ERR_BAD_STATE);
+ if (avahi_s_entry_group_is_empty(g))
+ return avahi_server_set_errno(g->server, AVAHI_ERR_IS_EMPTY);
+
g->n_register_try++;
avahi_timeval_add(&g->register_time,
gettimeofday(&now, NULL);
if (avahi_timeval_compare(&g->register_time, &now) <= 0) {
- /* Holdoff time passed, so let's start probing */
-/* avahi_log_debug("Holdoff passed, directly going on."); */
+ /* Holdoff time passed, so let's start probing */
entry_group_commit_real(g);
} else {
-/* avahi_log_debug("Holdoff not passed, sleeping."); */
/* Holdoff time has not yet passed, so let's wait */
assert(!g->register_time_event);