1 /* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
3 /* GIO - GLib Input, Output and Streaming Library
5 * Copyright (C) 2008 Red Hat, Inc.
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General
18 * Public License along with this library; if not, write to the
19 * Free Software Foundation, Inc., 59 Temple Place, Suite 330,
20 * Boston, MA 02111-1307, USA.
30 #include "gthreadedresolver.h"
31 #include "gnetworkingprivate.h"
33 #include "gcancellable.h"
34 #include "ginetaddress.h"
35 #include "ginetsocketaddress.h"
37 #include "gsocketaddress.h"
38 #include "gsrvtarget.h"
41 G_DEFINE_TYPE (GThreadedResolver
, g_threaded_resolver
, G_TYPE_RESOLVER
)
44 g_threaded_resolver_init (GThreadedResolver
*gtr
)
49 g_resolver_error_from_addrinfo_error (gint err
)
54 #if defined(EAI_NODATA) && (EAI_NODATA != EAI_NONAME)
58 return G_RESOLVER_ERROR_NOT_FOUND
;
61 return G_RESOLVER_ERROR_TEMPORARY_FAILURE
;
64 return G_RESOLVER_ERROR_INTERNAL
;
68 static struct addrinfo addrinfo_hints
;
71 do_lookup_by_name (GTask
*task
,
72 gpointer source_object
,
74 GCancellable
*cancellable
)
76 const char *hostname
= task_data
;
77 struct addrinfo
*res
= NULL
;
81 retval
= getaddrinfo (hostname
, NULL
, &addrinfo_hints
, &res
);
86 GSocketAddress
*sockaddr
;
90 for (ai
= res
; ai
; ai
= ai
->ai_next
)
92 sockaddr
= g_socket_address_new_from_native (ai
->ai_addr
, ai
->ai_addrlen
);
93 if (!sockaddr
|| !G_IS_INET_SOCKET_ADDRESS (sockaddr
))
96 addr
= g_object_ref (g_inet_socket_address_get_address ((GInetSocketAddress
*)sockaddr
));
97 addresses
= g_list_prepend (addresses
, addr
);
98 g_object_unref (sockaddr
);
101 addresses
= g_list_reverse (addresses
);
102 g_task_return_pointer (task
, addresses
,
103 (GDestroyNotify
)g_resolver_free_addresses
);
107 g_task_return_new_error (task
,
109 g_resolver_error_from_addrinfo_error (retval
),
110 _("Error resolving '%s': %s"),
111 hostname
, gai_strerror (retval
));
119 lookup_by_name (GResolver
*resolver
,
120 const gchar
*hostname
,
121 GCancellable
*cancellable
,
127 task
= g_task_new (resolver
, cancellable
, NULL
, NULL
);
128 g_task_set_task_data (task
, g_strdup (hostname
), g_free
);
129 g_task_set_return_on_cancel (task
, TRUE
);
130 g_task_run_in_thread_sync (task
, do_lookup_by_name
);
131 addresses
= g_task_propagate_pointer (task
, error
);
132 g_object_unref (task
);
138 lookup_by_name_async (GResolver
*resolver
,
139 const gchar
*hostname
,
140 GCancellable
*cancellable
,
141 GAsyncReadyCallback callback
,
146 task
= g_task_new (resolver
, cancellable
, callback
, user_data
);
147 g_task_set_task_data (task
, g_strdup (hostname
), g_free
);
148 g_task_set_return_on_cancel (task
, TRUE
);
149 g_task_run_in_thread (task
, do_lookup_by_name
);
150 g_object_unref (task
);
154 lookup_by_name_finish (GResolver
*resolver
,
155 GAsyncResult
*result
,
158 g_return_val_if_fail (g_task_is_valid (result
, resolver
), NULL
);
160 return g_task_propagate_pointer (G_TASK (result
), error
);
165 do_lookup_by_address (GTask
*task
,
166 gpointer source_object
,
168 GCancellable
*cancellable
)
170 GInetAddress
*address
= task_data
;
171 struct sockaddr_storage sockaddr
;
173 GSocketAddress
*gsockaddr
;
174 gchar name
[NI_MAXHOST
];
177 gsockaddr
= g_inet_socket_address_new (address
, 0);
178 g_socket_address_to_native (gsockaddr
, (struct sockaddr
*)&sockaddr
,
179 sizeof (sockaddr
), NULL
);
180 sockaddr_size
= g_socket_address_get_native_size (gsockaddr
);
181 g_object_unref (gsockaddr
);
183 retval
= getnameinfo ((struct sockaddr
*)&sockaddr
, sockaddr_size
,
184 name
, sizeof (name
), NULL
, 0, NI_NAMEREQD
);
186 g_task_return_pointer (task
, g_strdup (name
), g_free
);
191 phys
= g_inet_address_to_string (address
);
192 g_task_return_new_error (task
,
194 g_resolver_error_from_addrinfo_error (retval
),
195 _("Error reverse-resolving '%s': %s"),
196 phys
? phys
: "(unknown)",
197 gai_strerror (retval
));
203 lookup_by_address (GResolver
*resolver
,
204 GInetAddress
*address
,
205 GCancellable
*cancellable
,
211 task
= g_task_new (resolver
, cancellable
, NULL
, NULL
);
212 g_task_set_task_data (task
, g_object_ref (address
), g_object_unref
);
213 g_task_set_return_on_cancel (task
, TRUE
);
214 g_task_run_in_thread_sync (task
, do_lookup_by_address
);
215 name
= g_task_propagate_pointer (task
, error
);
216 g_object_unref (task
);
222 lookup_by_address_async (GResolver
*resolver
,
223 GInetAddress
*address
,
224 GCancellable
*cancellable
,
225 GAsyncReadyCallback callback
,
230 task
= g_task_new (resolver
, cancellable
, callback
, user_data
);
231 g_task_set_task_data (task
, g_object_ref (address
), g_object_unref
);
232 g_task_set_return_on_cancel (task
, TRUE
);
233 g_task_run_in_thread (task
, do_lookup_by_address
);
234 g_object_unref (task
);
238 lookup_by_address_finish (GResolver
*resolver
,
239 GAsyncResult
*result
,
242 g_return_val_if_fail (g_task_is_valid (result
, resolver
), NULL
);
244 return g_task_propagate_pointer (G_TASK (result
), error
);
248 #if defined(G_OS_UNIX)
251 /* Copy from bionic/libc/private/arpa_nameser_compat.h
252 * and bionic/libc/private/arpa_nameser.h */
254 unsigned id
:16; /* query identification number */
255 #if BYTE_ORDER == BIG_ENDIAN
256 /* fields in third byte */
257 unsigned qr
: 1; /* response flag */
258 unsigned opcode
: 4; /* purpose of message */
259 unsigned aa
: 1; /* authoritive answer */
260 unsigned tc
: 1; /* truncated message */
261 unsigned rd
: 1; /* recursion desired */
262 /* fields in fourth byte */
263 unsigned ra
: 1; /* recursion available */
264 unsigned unused
:1; /* unused bits (MBZ as of 4.9.3a3) */
265 unsigned ad
: 1; /* authentic data from named */
266 unsigned cd
: 1; /* checking disabled by resolver */
267 unsigned rcode
:4; /* response code */
269 #if BYTE_ORDER == LITTLE_ENDIAN || BYTE_ORDER == PDP_ENDIAN
270 /* fields in third byte */
271 unsigned rd
:1; /* recursion desired */
272 unsigned tc
:1; /* truncated message */
273 unsigned aa
:1; /* authoritive answer */
274 unsigned opcode
:4; /* purpose of message */
275 unsigned qr
:1; /* response flag */
276 /* fields in fourth byte */
277 unsigned rcode
:4; /* response code */
278 unsigned cd
: 1; /* checking disabled by resolver */
279 unsigned ad
: 1; /* authentic data from named */
280 unsigned unused
:1; /* unused bits (MBZ as of 4.9.3a3) */
281 unsigned ra
:1; /* recursion available */
283 /* remaining bytes */
284 unsigned qdcount
:16; /* number of question entries */
285 unsigned ancount
:16; /* number of answer entries */
286 unsigned nscount
:16; /* number of authority entries */
287 unsigned arcount
:16; /* number of resource entries */
290 #define NS_INT32SZ 4 /* #/bytes of data in a uint32_t */
291 #define NS_INT16SZ 2 /* #/bytes of data in a uint16_t */
293 #define NS_GET16(s, cp) do { \
294 const u_char *t_cp = (const u_char *)(cp); \
295 (s) = ((uint16_t)t_cp[0] << 8) \
296 | ((uint16_t)t_cp[1]) \
298 (cp) += NS_INT16SZ; \
299 } while (/*CONSTCOND*/0)
301 #define NS_GET32(l, cp) do { \
302 const u_char *t_cp = (const u_char *)(cp); \
303 (l) = ((uint32_t)t_cp[0] << 24) \
304 | ((uint32_t)t_cp[1] << 16) \
305 | ((uint32_t)t_cp[2] << 8) \
306 | ((uint32_t)t_cp[3]) \
308 (cp) += NS_INT32SZ; \
309 } while (/*CONSTCOND*/0)
311 #define GETSHORT NS_GET16
312 #define GETLONG NS_GET32
316 /* From bionic/libc/private/resolv_private.h */
317 int dn_expand(const u_char
*, const u_char
*, const u_char
*, char *, int);
318 #define dn_skipname __dn_skipname
319 int dn_skipname(const u_char
*, const u_char
*);
321 /* From bionic/libc/private/arpa_nameser_compat.h */
323 #define T_TXT ns_t_txt
324 #define T_SOA ns_t_soa
327 /* From bionic/libc/private/arpa_nameser.h */
328 typedef enum __ns_type
{
329 ns_t_invalid
= 0, /* Cookie. */
330 ns_t_a
= 1, /* Host address. */
331 ns_t_ns
= 2, /* Authoritative server. */
332 ns_t_md
= 3, /* Mail destination. */
333 ns_t_mf
= 4, /* Mail forwarder. */
334 ns_t_cname
= 5, /* Canonical name. */
335 ns_t_soa
= 6, /* Start of authority zone. */
336 ns_t_mb
= 7, /* Mailbox domain name. */
337 ns_t_mg
= 8, /* Mail group member. */
338 ns_t_mr
= 9, /* Mail rename name. */
339 ns_t_null
= 10, /* Null resource record. */
340 ns_t_wks
= 11, /* Well known service. */
341 ns_t_ptr
= 12, /* Domain name pointer. */
342 ns_t_hinfo
= 13, /* Host information. */
343 ns_t_minfo
= 14, /* Mailbox information. */
344 ns_t_mx
= 15, /* Mail routing information. */
345 ns_t_txt
= 16, /* Text strings. */
346 ns_t_rp
= 17, /* Responsible person. */
347 ns_t_afsdb
= 18, /* AFS cell database. */
348 ns_t_x25
= 19, /* X_25 calling address. */
349 ns_t_isdn
= 20, /* ISDN calling address. */
350 ns_t_rt
= 21, /* Router. */
351 ns_t_nsap
= 22, /* NSAP address. */
352 ns_t_nsap_ptr
= 23, /* Reverse NSAP lookup (deprecated). */
353 ns_t_sig
= 24, /* Security signature. */
354 ns_t_key
= 25, /* Security key. */
355 ns_t_px
= 26, /* X.400 mail mapping. */
356 ns_t_gpos
= 27, /* Geographical position (withdrawn). */
357 ns_t_aaaa
= 28, /* Ip6 Address. */
358 ns_t_loc
= 29, /* Location Information. */
359 ns_t_nxt
= 30, /* Next domain (security). */
360 ns_t_eid
= 31, /* Endpoint identifier. */
361 ns_t_nimloc
= 32, /* Nimrod Locator. */
362 ns_t_srv
= 33, /* Server Selection. */
363 ns_t_atma
= 34, /* ATM Address */
364 ns_t_naptr
= 35, /* Naming Authority PoinTeR */
365 ns_t_kx
= 36, /* Key Exchange */
366 ns_t_cert
= 37, /* Certification record */
367 ns_t_a6
= 38, /* IPv6 address (deprecates AAAA) */
368 ns_t_dname
= 39, /* Non-terminal DNAME (for IPv6) */
369 ns_t_sink
= 40, /* Kitchen sink (experimentatl) */
370 ns_t_opt
= 41, /* EDNS0 option (meta-RR) */
371 ns_t_apl
= 42, /* Address prefix list (RFC 3123) */
372 ns_t_tkey
= 249, /* Transaction key */
373 ns_t_tsig
= 250, /* Transaction signature. */
374 ns_t_ixfr
= 251, /* Incremental zone transfer. */
375 ns_t_axfr
= 252, /* Transfer zone of authority. */
376 ns_t_mailb
= 253, /* Transfer mailbox records. */
377 ns_t_maila
= 254, /* Transfer mail agent records. */
378 ns_t_any
= 255, /* Wildcard match. */
379 ns_t_zxfr
= 256, /* BIND-specific, nonstandard. */
383 #endif /* __BIONIC__ */
386 parse_res_srv (guchar
*answer
,
391 guint16 priority
, weight
, port
;
393 GETSHORT (priority
, *p
);
394 GETSHORT (weight
, *p
);
396 *p
+= dn_expand (answer
, end
, *p
, namebuf
, sizeof (namebuf
));
398 return g_variant_new ("(qqqs)",
406 parse_res_soa (guchar
*answer
,
410 gchar mnamebuf
[1024];
411 gchar rnamebuf
[1024];
412 guint32 serial
, refresh
, retry
, expire
, ttl
;
414 *p
+= dn_expand (answer
, end
, *p
, mnamebuf
, sizeof (mnamebuf
));
415 *p
+= dn_expand (answer
, end
, *p
, rnamebuf
, sizeof (rnamebuf
));
417 GETLONG (serial
, *p
);
418 GETLONG (refresh
, *p
);
420 GETLONG (expire
, *p
);
423 return g_variant_new ("(ssuuuuu)",
434 parse_res_ns (guchar
*answer
,
440 *p
+= dn_expand (answer
, end
, *p
, namebuf
, sizeof (namebuf
));
442 return g_variant_new ("(s)", namebuf
);
446 parse_res_mx (guchar
*answer
,
453 GETSHORT (preference
, *p
);
455 *p
+= dn_expand (answer
, end
, *p
, namebuf
, sizeof (namebuf
));
457 return g_variant_new ("(qs)",
463 parse_res_txt (guchar
*answer
,
472 array
= g_ptr_array_new_with_free_func (g_free
);
478 g_ptr_array_add (array
, g_strndup ((gchar
*)at
, len
));
483 record
= g_variant_new ("(@as)",
484 g_variant_new_strv ((const gchar
**)array
->pdata
, array
->len
));
485 g_ptr_array_free (array
, TRUE
);
490 g_resolver_record_type_to_rrtype (GResolverRecordType type
)
494 case G_RESOLVER_RECORD_SRV
:
496 case G_RESOLVER_RECORD_TXT
:
498 case G_RESOLVER_RECORD_SOA
:
500 case G_RESOLVER_RECORD_NS
:
502 case G_RESOLVER_RECORD_MX
:
505 g_return_val_if_reached (-1);
508 #pragma GCC diagnostic push
509 #pragma GCC diagnostic ignored "-Wformat-nonliteral"
512 g_resolver_records_from_res_query (const gchar
*rrname
,
522 guint16 type
, qclass
, rdlength
;
530 if (len
== 0 || herr
== HOST_NOT_FOUND
|| herr
== NO_DATA
)
532 g_set_error (error
, G_RESOLVER_ERROR
, G_RESOLVER_ERROR_NOT_FOUND
,
533 _("No DNS record of the requested type for '%s'"), rrname
);
535 else if (herr
== TRY_AGAIN
)
537 g_set_error (error
, G_RESOLVER_ERROR
, G_RESOLVER_ERROR_TEMPORARY_FAILURE
,
538 _("Temporarily unable to resolve '%s'"), rrname
);
542 g_set_error (error
, G_RESOLVER_ERROR
, G_RESOLVER_ERROR_INTERNAL
,
543 _("Error resolving '%s'"), rrname
);
551 header
= (HEADER
*)answer
;
552 p
= answer
+ sizeof (HEADER
);
556 count
= ntohs (header
->qdcount
);
557 while (count
-- && p
< end
)
559 p
+= dn_expand (answer
, end
, p
, namebuf
, sizeof (namebuf
));
562 /* To silence gcc warnings */
563 namebuf
[0] = namebuf
[1];
567 count
= ntohs (header
->ancount
);
568 while (count
-- && p
< end
)
570 p
+= dn_expand (answer
, end
, p
, namebuf
, sizeof (namebuf
));
572 GETSHORT (qclass
, p
);
574 ttl
= ttl
; /* To avoid -Wunused-but-set-variable */
575 GETSHORT (rdlength
, p
);
577 if (type
!= rrtype
|| qclass
!= C_IN
)
586 record
= parse_res_srv (answer
, end
, &p
);
589 record
= parse_res_mx (answer
, end
, &p
);
592 record
= parse_res_soa (answer
, end
, &p
);
595 record
= parse_res_ns (answer
, end
, &p
);
598 record
= parse_res_txt (answer
, p
+ rdlength
, &p
);
601 g_warn_if_reached ();
607 records
= g_list_prepend (records
, record
);
612 g_set_error (error
, G_RESOLVER_ERROR
, G_RESOLVER_ERROR_NOT_FOUND
,
613 _("No DNS record of the requested type for '%s'"), rrname
);
621 #pragma GCC diagnostic pop
623 #elif defined(G_OS_WIN32)
626 parse_dns_srv (DNS_RECORD
*rec
)
628 return g_variant_new ("(qqqs)",
629 (guint16
)rec
->Data
.SRV
.wPriority
,
630 (guint16
)rec
->Data
.SRV
.wWeight
,
631 (guint16
)rec
->Data
.SRV
.wPort
,
632 rec
->Data
.SRV
.pNameTarget
);
636 parse_dns_soa (DNS_RECORD
*rec
)
638 return g_variant_new ("(ssuuuuu)",
639 rec
->Data
.SOA
.pNamePrimaryServer
,
640 rec
->Data
.SOA
.pNameAdministrator
,
641 (guint32
)rec
->Data
.SOA
.dwSerialNo
,
642 (guint32
)rec
->Data
.SOA
.dwRefresh
,
643 (guint32
)rec
->Data
.SOA
.dwRetry
,
644 (guint32
)rec
->Data
.SOA
.dwExpire
,
645 (guint32
)rec
->Data
.SOA
.dwDefaultTtl
);
649 parse_dns_ns (DNS_RECORD
*rec
)
651 return g_variant_new ("(s)", rec
->Data
.NS
.pNameHost
);
655 parse_dns_mx (DNS_RECORD
*rec
)
657 return g_variant_new ("(qs)",
658 (guint16
)rec
->Data
.MX
.wPreference
,
659 rec
->Data
.MX
.pNameExchange
);
663 parse_dns_txt (DNS_RECORD
*rec
)
669 array
= g_ptr_array_new ();
670 for (i
= 0; i
< rec
->Data
.TXT
.dwStringCount
; i
++)
671 g_ptr_array_add (array
, rec
->Data
.TXT
.pStringArray
[i
]);
672 record
= g_variant_new ("(@as)",
673 g_variant_new_strv ((const gchar
**)array
->pdata
, array
->len
));
674 g_ptr_array_free (array
, TRUE
);
679 g_resolver_record_type_to_dnstype (GResolverRecordType type
)
683 case G_RESOLVER_RECORD_SRV
:
685 case G_RESOLVER_RECORD_TXT
:
686 return DNS_TYPE_TEXT
;
687 case G_RESOLVER_RECORD_SOA
:
689 case G_RESOLVER_RECORD_NS
:
691 case G_RESOLVER_RECORD_MX
:
694 g_return_val_if_reached (-1);
698 g_resolver_records_from_DnsQuery (const gchar
*rrname
,
708 if (status
!= ERROR_SUCCESS
)
710 if (status
== DNS_ERROR_RCODE_NAME_ERROR
)
712 g_set_error (error
, G_RESOLVER_ERROR
, G_RESOLVER_ERROR_NOT_FOUND
,
713 _("No DNS record of the requested type for '%s'"), rrname
);
715 else if (status
== DNS_ERROR_RCODE_SERVER_FAILURE
)
717 g_set_error (error
, G_RESOLVER_ERROR
, G_RESOLVER_ERROR_TEMPORARY_FAILURE
,
718 _("Temporarily unable to resolve '%s'"), rrname
);
722 g_set_error (error
, G_RESOLVER_ERROR
, G_RESOLVER_ERROR_INTERNAL
,
723 _("Error resolving '%s'"), rrname
);
730 for (rec
= results
; rec
; rec
= rec
->pNext
)
732 if (rec
->wType
!= dnstype
)
737 record
= parse_dns_srv (rec
);
740 record
= parse_dns_soa (rec
);
743 record
= parse_dns_ns (rec
);
746 record
= parse_dns_mx (rec
);
749 record
= parse_dns_txt (rec
);
752 g_warn_if_reached ();
757 records
= g_list_prepend (records
, g_variant_ref_sink (record
));
762 g_set_error (error
, G_RESOLVER_ERROR
, G_RESOLVER_ERROR_NOT_FOUND
,
763 _("No DNS record of the requested type for '%s'"), rrname
);
775 GResolverRecordType record_type
;
779 free_lookup_records_data (LookupRecordsData
*lrd
)
781 g_free (lrd
->rrname
);
782 g_slice_free (LookupRecordsData
, lrd
);
786 free_records (GList
*records
)
788 g_list_free_full (records
, (GDestroyNotify
) g_variant_unref
);
791 #if defined(G_OS_UNIX)
794 int res_query(const char *, int, int, u_char
*, int);
799 do_lookup_records (GTask
*task
,
800 gpointer source_object
,
802 GCancellable
*cancellable
)
804 LookupRecordsData
*lrd
= task_data
;
806 GError
*error
= NULL
;
808 #if defined(G_OS_UNIX)
814 rrtype
= g_resolver_record_type_to_rrtype (lrd
->record_type
);
815 answer
= g_byte_array_new ();
818 g_byte_array_set_size (answer
, len
* 2);
819 len
= res_query (lrd
->rrname
, C_IN
, rrtype
, answer
->data
, answer
->len
);
821 /* If answer fit in the buffer then we're done */
822 if (len
< 0 || len
< (gint
)answer
->len
)
826 * On overflow some res_query's return the length needed, others
827 * return the full length entered. This code works in either case.
832 records
= g_resolver_records_from_res_query (lrd
->rrname
, rrtype
, answer
->data
, len
, herr
, &error
);
833 g_byte_array_free (answer
, TRUE
);
838 DNS_RECORD
*results
= NULL
;
841 dnstype
= g_resolver_record_type_to_dnstype (lrd
->record_type
);
842 status
= DnsQuery_A (lrd
->rrname
, dnstype
, DNS_QUERY_STANDARD
, NULL
, &results
, NULL
);
843 records
= g_resolver_records_from_DnsQuery (lrd
->rrname
, dnstype
, status
, results
, &error
);
845 DnsRecordListFree (results
, DnsFreeRecordList
);
850 g_task_return_pointer (task
, records
, (GDestroyNotify
) free_records
);
852 g_task_return_error (task
, error
);
856 lookup_records (GResolver
*resolver
,
858 GResolverRecordType record_type
,
859 GCancellable
*cancellable
,
864 LookupRecordsData
*lrd
;
866 task
= g_task_new (resolver
, cancellable
, NULL
, NULL
);
868 lrd
= g_slice_new (LookupRecordsData
);
869 lrd
->rrname
= g_strdup (rrname
);
870 lrd
->record_type
= record_type
;
871 g_task_set_task_data (task
, lrd
, (GDestroyNotify
) free_lookup_records_data
);
873 g_task_set_return_on_cancel (task
, TRUE
);
874 g_task_run_in_thread_sync (task
, do_lookup_records
);
875 records
= g_task_propagate_pointer (task
, error
);
876 g_object_unref (task
);
882 lookup_records_async (GResolver
*resolver
,
884 GResolverRecordType record_type
,
885 GCancellable
*cancellable
,
886 GAsyncReadyCallback callback
,
890 LookupRecordsData
*lrd
;
892 task
= g_task_new (resolver
, cancellable
, callback
, user_data
);
894 lrd
= g_slice_new (LookupRecordsData
);
895 lrd
->rrname
= g_strdup (rrname
);
896 lrd
->record_type
= record_type
;
897 g_task_set_task_data (task
, lrd
, (GDestroyNotify
) free_lookup_records_data
);
899 g_task_set_return_on_cancel (task
, TRUE
);
900 g_task_run_in_thread (task
, do_lookup_records
);
901 g_object_unref (task
);
905 lookup_records_finish (GResolver
*resolver
,
906 GAsyncResult
*result
,
909 g_return_val_if_fail (g_task_is_valid (result
, resolver
), NULL
);
911 return g_task_propagate_pointer (G_TASK (result
), error
);
916 g_threaded_resolver_class_init (GThreadedResolverClass
*threaded_class
)
918 GResolverClass
*resolver_class
= G_RESOLVER_CLASS (threaded_class
);
920 resolver_class
->lookup_by_name
= lookup_by_name
;
921 resolver_class
->lookup_by_name_async
= lookup_by_name_async
;
922 resolver_class
->lookup_by_name_finish
= lookup_by_name_finish
;
923 resolver_class
->lookup_by_address
= lookup_by_address
;
924 resolver_class
->lookup_by_address_async
= lookup_by_address_async
;
925 resolver_class
->lookup_by_address_finish
= lookup_by_address_finish
;
926 resolver_class
->lookup_records
= lookup_records
;
927 resolver_class
->lookup_records_async
= lookup_records_async
;
928 resolver_class
->lookup_records_finish
= lookup_records_finish
;
930 /* Initialize _g_resolver_addrinfo_hints */
932 addrinfo_hints
.ai_flags
|= AI_ADDRCONFIG
;
934 /* These two don't actually matter, they just get copied into the
935 * returned addrinfo structures (and then we ignore them). But if
936 * we leave them unset, we'll get back duplicate answers.
938 addrinfo_hints
.ai_socktype
= SOCK_STREAM
;
939 addrinfo_hints
.ai_protocol
= IPPROTO_TCP
;