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3 Copyright (C) 2012, 2017 GNUnet e.V.
5 GNUnet is free software: you can redistribute it and/or modify it
6 under the terms of the GNU Affero General Public License as published
7 by the Free Software Foundation, either version 3 of the License,
8 or (at your option) any later version.
10 GNUnet is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Affero General Public License for more details.
15 You should have received a copy of the GNU Affero General Public License
16 along with this program. If not, see <http://www.gnu.org/licenses/>.
18 SPDX-License-Identifier: AGPL3.0-or-later
21 * @file gnunet-gns-helper-service-w32.c
22 * @brief an intermediary service to access distributed GNS
23 * @author Christian Grothoff
27 #include <gnunet_util_lib.h>
28 #include <gnunet_identity_service.h>
29 #include <gnunet_dnsparser_lib.h>
30 #include <gnunet_namestore_service.h>
31 #include <gnunet_gns_service.h>
33 #include "gnunet_w32nsp_lib.h"
34 #include "w32resolver.h"
38 #define DEFINE_DNS_GUID(a,x) DEFINE_GUID(a, 0x00090035, 0x0000, x, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46)
39 DEFINE_DNS_GUID(SVCID_DNS_TYPE_A, 0x0001);
40 DEFINE_DNS_GUID(SVCID_DNS_TYPE_NS, 0x0002);
41 DEFINE_DNS_GUID(SVCID_DNS_TYPE_CNAME, 0x0005);
42 DEFINE_DNS_GUID(SVCID_DNS_TYPE_SOA, 0x0006);
43 DEFINE_DNS_GUID(SVCID_DNS_TYPE_PTR, 0x000c);
44 DEFINE_DNS_GUID(SVCID_DNS_TYPE_MX, 0x000f);
45 DEFINE_DNS_GUID(SVCID_DNS_TYPE_TEXT, 0x0010);
46 DEFINE_DNS_GUID(SVCID_DNS_TYPE_AAAA, 0x001c);
47 DEFINE_DNS_GUID(SVCID_DNS_TYPE_SRV, 0x0021);
48 DEFINE_GUID(SVCID_HOSTNAME, 0x0002a800, 0x0000, 0x0000, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46);
49 DEFINE_GUID(SVCID_INET_HOSTADDRBYNAME, 0x0002a803, 0x0000, 0x0000, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46);
55 * We keep these in a doubly-linked list (for cleanup).
60 * We keep these in a doubly-linked list (for cleanup).
65 * Client that issued the request
67 struct GNUNET_SERVICE_Client *client;
77 struct GNUNET_GNS_LookupRequest *lookup_request;
82 * Head of the doubly-linked list (for cleanup).
84 static struct request *rq_head;
87 * Tail of the doubly-linked list (for cleanup).
89 static struct request *rq_tail;
92 * Handle to GNS service.
94 static struct GNUNET_GNS_Handle *gns;
97 * Active operation on identity service.
99 static struct GNUNET_IDENTITY_Operation *id_op;
102 * Handle for identity service.
104 static struct GNUNET_IDENTITY_Handle *identity;
107 * Public key of the gns-master ego
109 static struct GNUNET_CRYPTO_EcdsaPublicKey gns_master_pubkey;
112 * Set to 1 once egos are obtained.
118 * Task run on shutdown. Cleans up everything.
123 do_shutdown (void *cls)
129 GNUNET_IDENTITY_cancel (id_op);
132 if (NULL != identity)
134 GNUNET_IDENTITY_disconnect (identity);
137 while (NULL != (rq = rq_head))
139 if (NULL != rq->lookup_request)
140 GNUNET_GNS_lookup_cancel (rq->lookup_request);
141 GNUNET_CONTAINER_DLL_remove (rq_head,
144 GNUNET_free_non_null (rq->name);
151 GNUNET_GNS_disconnect (gns);
157 #define MarshallPtr(ptr, base, type) \
159 ptr = (type *) ((char *) ptr - (char *) base)
163 MarshallWSAQUERYSETW (WSAQUERYSETW *qs, GUID *sc)
165 MarshallPtr (qs->lpszServiceInstanceName, qs, wchar_t);
166 MarshallPtr (qs->lpServiceClassId, qs, GUID);
167 MarshallPtr (qs->lpVersion, qs, WSAVERSION);
168 MarshallPtr (qs->lpNSProviderId, qs, GUID);
169 MarshallPtr (qs->lpszContext, qs, wchar_t);
170 MarshallPtr (qs->lpafpProtocols, qs, AFPROTOCOLS);
171 MarshallPtr (qs->lpszQueryString, qs, wchar_t);
172 for (int i = 0; i < qs->dwNumberOfCsAddrs; i++)
174 MarshallPtr (qs->lpcsaBuffer[i].LocalAddr.lpSockaddr, qs, SOCKADDR);
175 MarshallPtr (qs->lpcsaBuffer[i].RemoteAddr.lpSockaddr, qs, SOCKADDR);
177 MarshallPtr (qs->lpcsaBuffer, qs, CSADDR_INFO);
178 if (IsEqualGUID (&SVCID_INET_HOSTADDRBYNAME, sc) && qs->lpBlob != NULL && qs->lpBlob->pBlobData != NULL)
182 he = (struct hostent *) qs->lpBlob->pBlobData;
183 for (int i = 0; he->h_aliases[i] != NULL; i++)
184 MarshallPtr (he->h_aliases[i], he, char);
185 MarshallPtr (he->h_aliases, he, char *);
186 MarshallPtr (he->h_name, he, char);
187 for (int i = 0; he->h_addr_list[i] != NULL; i++)
188 MarshallPtr (he->h_addr_list[i], he, void);
189 MarshallPtr (he->h_addr_list, he, char *);
190 MarshallPtr (qs->lpBlob->pBlobData, qs, void);
192 MarshallPtr (qs->lpBlob, qs, BLOB);
197 process_lookup_result (void *cls,
199 const struct GNUNET_GNSRECORD_Data *rd)
201 struct request *rq = cls;
203 struct GNUNET_W32RESOLVER_GetMessage *msg;
204 struct GNUNET_MQ_Envelope *msg_env;
205 struct GNUNET_MessageHeader *msgend;
206 struct GNUNET_MQ_Envelope *msgend_env;
212 size_t blobaddrcount = 0;
214 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
215 "Got lookup result with count %u for rq %p with client %p\n",
219 rq->lookup_request = NULL;
223 msgend_env = GNUNET_MQ_msg (msgend, GNUNET_MESSAGE_TYPE_W32RESOLVER_RESPONSE);
224 GNUNET_MQ_send (GNUNET_SERVICE_client_get_mq (rq->client),
226 GNUNET_CONTAINER_DLL_remove (rq_head,
229 GNUNET_free_non_null (rq->name);
236 size = sizeof (struct GNUNET_W32RESOLVER_GetMessage) + sizeof (WSAQUERYSETW);
237 size += (wcslen (rq->name) + 1) * sizeof (wchar_t);
238 size += sizeof (GUID);
239 /* lpszComment ? a TXT record? */
240 size += sizeof (GUID);
241 /* lpszContext ? Not sure what it is */
243 for (i = 0; i < rd_count; i++)
245 switch (rd[i].record_type)
247 case GNUNET_DNSPARSER_TYPE_A:
248 if (rd[i].data_size != sizeof (struct in_addr))
250 size += sizeof (CSADDR_INFO) + sizeof (struct sockaddr_in) * 2;
253 case GNUNET_DNSPARSER_TYPE_AAAA:
254 if (rd[i].data_size != sizeof (struct in6_addr))
256 size += sizeof (CSADDR_INFO) + sizeof (struct sockaddr_in6) * 2;
261 if (IsEqualGUID (&SVCID_INET_HOSTADDRBYNAME, &rq->sc))
263 size += sizeof (BLOB);
264 blobsize += sizeof (struct hostent);
265 blobsize += strlen (rq->u8name) + 1;
266 blobsize += sizeof (void *); /* For aliases */
267 blobsize += sizeof (void *); /* For addresses */
268 for (i = 0; i < rd_count; i++)
270 if ((rq->af == AF_INET || rq->af == AF_UNSPEC) && rd[i].record_type == GNUNET_DNSPARSER_TYPE_A)
272 blobsize += sizeof (void *);
273 blobsize += sizeof (struct in_addr);
276 else if (rq->af == AF_INET6 && rd[i].record_type == GNUNET_DNSPARSER_TYPE_AAAA)
278 blobsize += sizeof (void *);
279 blobsize += sizeof (struct in6_addr);
285 size_recalc = sizeof (struct GNUNET_W32RESOLVER_GetMessage) + sizeof (WSAQUERYSETW);
286 msg_env = GNUNET_MQ_msg_extra (msg,
287 size - sizeof (struct GNUNET_MessageHeader),
288 GNUNET_MESSAGE_TYPE_W32RESOLVER_RESPONSE);
289 msg->af = htonl (rq->af);
290 msg->sc_data1 = htonl (rq->sc.Data1);
291 msg->sc_data2 = htons (rq->sc.Data2);
292 msg->sc_data3 = htons (rq->sc.Data3);
293 for (i = 0; i < 8; i++)
294 msg->sc_data4[i] = rq->sc.Data4[i];
295 qs = (WSAQUERYSETW *) &msg[1];
296 ptr = (char *) &qs[1];
297 GNUNET_break (size_recalc == (size_t) ((char *) ptr - (char *) msg));
298 qs->dwSize = sizeof (WSAQUERYSETW);
299 qs->lpszServiceInstanceName = (wchar_t *) ptr;
300 ptr += (wcslen (rq->name) + 1) * sizeof (wchar_t);
301 size_recalc += (wcslen (rq->name) + 1) * sizeof (wchar_t);
302 GNUNET_break (size_recalc == (size_t) ((char *) ptr - (char *) msg));
303 wcscpy (qs->lpszServiceInstanceName, rq->name);
304 qs->lpServiceClassId = (GUID *) ptr;
305 ptr += sizeof (GUID);
306 size_recalc += sizeof (GUID);
307 GNUNET_break (size_recalc == (size_t) ((char *) ptr - (char *) msg));
308 GNUNET_memcpy (qs->lpServiceClassId, &rq->sc, sizeof (GUID));
309 qs->lpVersion = NULL;
310 qs->dwNameSpace = NS_DNS;
311 qs->lpNSProviderId = (GUID *) ptr;
312 ptr += sizeof (GUID);
313 size_recalc += sizeof (GUID);
314 GNUNET_break (size_recalc == (size_t) ((char *) ptr - (char *) msg));
315 GNUNET_memcpy (qs->lpNSProviderId, &GNUNET_NAMESPACE_PROVIDER_DNS, sizeof (GUID));
316 qs->lpszContext = NULL;
317 qs->dwNumberOfProtocols = 0;
318 qs->lpafpProtocols = NULL;
319 /* Don't bother with this... */
320 qs->lpszQueryString = NULL;
321 qs->dwNumberOfCsAddrs = rd_count;
322 qs->lpcsaBuffer = (CSADDR_INFO *) ptr;
323 ptr += sizeof (CSADDR_INFO) * csanum;
325 for (i = 0; i < rd_count; i++)
327 switch (rd[i].record_type)
329 case GNUNET_DNSPARSER_TYPE_A:
330 if (rd[i].data_size != sizeof (struct in_addr))
332 qs->lpcsaBuffer[j].iSocketType = SOCK_STREAM;
333 qs->lpcsaBuffer[j].iProtocol = IPPROTO_TCP;
335 qs->lpcsaBuffer[j].LocalAddr.iSockaddrLength = sizeof (struct sockaddr_in);
336 qs->lpcsaBuffer[j].LocalAddr.lpSockaddr = (SOCKADDR *) ptr;
337 ptr += qs->lpcsaBuffer[j].LocalAddr.iSockaddrLength;
338 memset (qs->lpcsaBuffer[j].LocalAddr.lpSockaddr, 0, qs->lpcsaBuffer[j].LocalAddr.iSockaddrLength);
339 ((struct sockaddr_in *)qs->lpcsaBuffer[j].LocalAddr.lpSockaddr)->sin_family = AF_INET;
341 qs->lpcsaBuffer[j].RemoteAddr.iSockaddrLength = sizeof (struct sockaddr_in);
342 qs->lpcsaBuffer[j].RemoteAddr.lpSockaddr = (SOCKADDR *) ptr;
343 ptr += qs->lpcsaBuffer[j].RemoteAddr.iSockaddrLength;
344 memset (qs->lpcsaBuffer[j].RemoteAddr.lpSockaddr, 0, qs->lpcsaBuffer[j].RemoteAddr.iSockaddrLength);
345 ((struct sockaddr_in *)qs->lpcsaBuffer[j].RemoteAddr.lpSockaddr)->sin_family = AF_INET;
346 ((struct sockaddr_in *)qs->lpcsaBuffer[j].RemoteAddr.lpSockaddr)->sin_port = htonl (53); /* Don't ask why it's 53 */
347 ((struct sockaddr_in *)qs->lpcsaBuffer[j].RemoteAddr.lpSockaddr)->sin_addr = *(struct in_addr *) rd[i].data;
348 size_recalc += sizeof (CSADDR_INFO) + sizeof (struct sockaddr_in) * 2;
351 case GNUNET_DNSPARSER_TYPE_AAAA:
352 if (rd[i].data_size != sizeof (struct in6_addr))
354 qs->lpcsaBuffer[j].iSocketType = SOCK_STREAM;
355 qs->lpcsaBuffer[j].iProtocol = IPPROTO_TCP;
357 qs->lpcsaBuffer[j].LocalAddr.iSockaddrLength = sizeof (struct sockaddr_in6);
358 qs->lpcsaBuffer[j].LocalAddr.lpSockaddr = (SOCKADDR *) ptr;
359 ptr += qs->lpcsaBuffer[j].LocalAddr.iSockaddrLength;
360 memset (qs->lpcsaBuffer[j].LocalAddr.lpSockaddr, 0, qs->lpcsaBuffer[j].LocalAddr.iSockaddrLength);
361 ((struct sockaddr_in6 *)qs->lpcsaBuffer[j].LocalAddr.lpSockaddr)->sin6_family = AF_INET6;
363 qs->lpcsaBuffer[j].RemoteAddr.iSockaddrLength = sizeof (struct sockaddr_in6);
364 qs->lpcsaBuffer[j].RemoteAddr.lpSockaddr = (SOCKADDR *) ptr;
365 ptr += qs->lpcsaBuffer[j].RemoteAddr.iSockaddrLength;
366 memset (qs->lpcsaBuffer[j].RemoteAddr.lpSockaddr, 0, qs->lpcsaBuffer[j].RemoteAddr.iSockaddrLength);
367 ((struct sockaddr_in6 *)qs->lpcsaBuffer[j].RemoteAddr.lpSockaddr)->sin6_family = AF_INET6;
368 ((struct sockaddr_in6 *)qs->lpcsaBuffer[j].RemoteAddr.lpSockaddr)->sin6_port = htonl (53); /* Don't ask why it's 53 */
369 ((struct sockaddr_in6 *)qs->lpcsaBuffer[j].RemoteAddr.lpSockaddr)->sin6_addr = *(struct in6_addr *) rd[i].data;
370 size_recalc += sizeof (CSADDR_INFO) + sizeof (struct sockaddr_in6) * 2;
377 GNUNET_break (size_recalc == (size_t) ((char *) ptr - (char *) msg));
378 qs->dwOutputFlags = 0;
379 if (IsEqualGUID (&SVCID_INET_HOSTADDRBYNAME, &rq->sc))
382 qs->lpBlob = (BLOB *) ptr;
383 ptr += sizeof (BLOB);
385 size_recalc += sizeof (BLOB);
386 GNUNET_break (size_recalc == (size_t) ((char *) ptr - (char *) msg));
388 qs->lpBlob->cbSize = blobsize;
389 qs->lpBlob->pBlobData = (BYTE *) ptr;
390 ptr += sizeof (struct hostent);
392 size_recalc += sizeof (struct hostent);
393 GNUNET_break (size_recalc == (size_t) ((char *) ptr - (char *) msg));
395 he = (struct hostent *) qs->lpBlob->pBlobData;
396 he->h_name = (char *) ptr;
397 ptr += strlen (rq->u8name) + 1;
399 size_recalc += strlen (rq->u8name) + 1;
400 GNUNET_break (size_recalc == (size_t) ((char *) ptr - (char *) msg));
402 strcpy (he->h_name, rq->u8name);
403 he->h_aliases = (char **) ptr;
404 ptr += sizeof (void *);
406 size_recalc += sizeof (void *); /* For aliases */
407 GNUNET_break (size_recalc == (size_t) ((char *) ptr - (char *) msg));
409 he->h_aliases[0] = NULL;
410 he->h_addrtype = rq->af;
411 he->h_length = rq->af == AF_INET || rq->af == AF_UNSPEC ? sizeof (struct in_addr) : sizeof (struct in6_addr);
412 he->h_addr_list = (char **) ptr;
413 ptr += sizeof (void *) * (blobaddrcount + 1);
415 size_recalc += sizeof (void *) * (blobaddrcount + 1); /* For addresses */
416 GNUNET_break (size_recalc == (size_t) ((char *) ptr - (char *) msg));
419 for (i = 0; i < rd_count; i++)
421 if ((rq->af == AF_INET || rq->af == AF_UNSPEC) &&
422 rd[i].record_type == GNUNET_DNSPARSER_TYPE_A)
424 he->h_addr_list[j] = (char *) ptr;
425 ptr += sizeof (struct in_addr);
427 size_recalc += sizeof (struct in_addr);
428 GNUNET_break (size_recalc == (size_t) ((char *) ptr - (char *) msg));
430 GNUNET_memcpy (he->h_addr_list[j], rd[i].data, sizeof (struct in_addr));
433 else if (rq->af == AF_INET6 && rd[i].record_type == GNUNET_DNSPARSER_TYPE_AAAA)
435 he->h_addr_list[j] = (char *) ptr;
436 ptr += sizeof (struct in6_addr);
438 size_recalc += sizeof (struct in6_addr);
439 GNUNET_break (size_recalc == (size_t) ((char *) ptr - (char *) msg));
441 GNUNET_memcpy (he->h_addr_list[j], rd[i].data, sizeof (struct in6_addr));
445 he->h_addr_list[j] = NULL;
447 msgend_env = GNUNET_MQ_msg (msgend, GNUNET_MESSAGE_TYPE_W32RESOLVER_RESPONSE);
449 if ((char *) ptr - (char *) msg != size || size_recalc != size || size_recalc != ((char *) ptr - (char *) msg))
451 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
452 "Error in WSAQUERYSETW size calc: expected %u, got %lu (recalc %u)\n",
454 (unsigned long) ((char *) ptr - (char *) msg),
457 MarshallWSAQUERYSETW (qs, &rq->sc);
458 GNUNET_MQ_send (GNUNET_SERVICE_client_get_mq (rq->client),
460 GNUNET_MQ_send (GNUNET_SERVICE_client_get_mq (rq->client),
462 GNUNET_CONTAINER_DLL_remove (rq_head,
465 GNUNET_free_non_null (rq->name);
473 get_ip_from_hostname (struct GNUNET_SERVICE_Client *client,
484 if (IsEqualGUID (&SVCID_DNS_TYPE_A, &sc))
485 rtype = GNUNET_DNSPARSER_TYPE_A;
486 else if (IsEqualGUID (&SVCID_DNS_TYPE_NS, &sc))
487 rtype = GNUNET_DNSPARSER_TYPE_NS;
488 else if (IsEqualGUID (&SVCID_DNS_TYPE_CNAME, &sc))
489 rtype = GNUNET_DNSPARSER_TYPE_CNAME;
490 else if (IsEqualGUID (&SVCID_DNS_TYPE_SOA, &sc))
491 rtype = GNUNET_DNSPARSER_TYPE_SOA;
492 else if (IsEqualGUID (&SVCID_DNS_TYPE_PTR, &sc))
493 rtype = GNUNET_DNSPARSER_TYPE_PTR;
494 else if (IsEqualGUID (&SVCID_DNS_TYPE_MX, &sc))
495 rtype = GNUNET_DNSPARSER_TYPE_MX;
496 else if (IsEqualGUID (&SVCID_DNS_TYPE_TEXT, &sc))
497 rtype = GNUNET_DNSPARSER_TYPE_TXT;
498 else if (IsEqualGUID (&SVCID_DNS_TYPE_AAAA, &sc))
499 rtype = GNUNET_DNSPARSER_TYPE_AAAA;
500 else if (IsEqualGUID (&SVCID_DNS_TYPE_SRV, &sc))
501 rtype = GNUNET_DNSPARSER_TYPE_SRV;
502 else if (IsEqualGUID (&SVCID_INET_HOSTADDRBYNAME, &sc))
503 rtype = GNUNET_DNSPARSER_TYPE_A;
506 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
507 "Unknown GUID: %08lX-%04X-%04X-%02X-%02X-%02X-%02X-%02X-%02X-%02X-%02X\n",
519 GNUNET_SERVICE_client_drop (client);
524 namelen = wcslen (name);
528 hostname = (char *) u16_to_u8 (name, namelen + 1, NULL, &strl);
532 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
533 "W32 DNS resolver asked to look up %s for `%s'.\n",
534 af == AF_INET ? "IPv4" : af == AF_INET6 ? "IPv6" : "anything",
537 rq = GNUNET_new (struct request);
541 if (rq->af != AF_INET && rq->af != AF_INET6)
545 rq->name = GNUNET_malloc ((namelen + 1) * sizeof (wchar_t));
546 GNUNET_memcpy (rq->name,
548 (namelen + 1) * sizeof (wchar_t));
549 rq->u8name = hostname;
552 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
553 "Launching a lookup for client %p with rq %p\n",
556 rq->lookup_request = GNUNET_GNS_lookup (gns,
560 GNUNET_NO /* Use DHT */,
561 &process_lookup_result,
563 if (NULL != rq->lookup_request)
565 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
566 "Lookup launched, waiting for a reply\n");
567 GNUNET_SERVICE_client_continue (client);
568 GNUNET_CONTAINER_DLL_insert (rq_head,
574 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
575 "Lookup was not launched, disconnecting the client\n");
576 GNUNET_free_non_null (rq->name);
580 GNUNET_SERVICE_client_drop (client);
588 * @param cls identification of the client
589 * @param msg the actual message
590 * @return #GNUNET_OK if @a msg is well-formed
593 check_get (void *cls,
594 const struct GNUNET_W32RESOLVER_GetMessage *msg)
597 const wchar_t *hostname;
601 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
602 _("Not ready to process requests, lacking ego data\n"));
603 return GNUNET_SYSERR;
605 size = ntohs (msg->header.size) - sizeof (struct GNUNET_W32RESOLVER_GetMessage);
606 hostname = (const wchar_t *) &msg[1];
607 if (hostname[size / 2 - 1] != L'\0')
610 return GNUNET_SYSERR;
617 * Handle GET-message.
619 * @param cls identification of the client
620 * @param msg the actual message
623 handle_get (void *cls,
624 const struct GNUNET_W32RESOLVER_GetMessage *msg)
626 struct GNUNET_SERVICE_Client *client = cls;
629 const wchar_t *hostname;
632 size = ntohs (msg->header.size) - sizeof (struct GNUNET_W32RESOLVER_GetMessage);
633 af = ntohl (msg->af);
634 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
635 "Got NBO GUID: %08X-%04X-%04X-%02X-%02X-%02X-%02X-%02X-%02X-%02X-%02X\n",
647 sc.Data1 = ntohl (msg->sc_data1);
648 sc.Data2 = ntohs (msg->sc_data2);
649 sc.Data3 = ntohs (msg->sc_data3);
650 for (int i = 0; i < 8; i++)
651 sc.Data4[i] = msg->sc_data4[i];
652 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
653 "Got GUID: %08lX-%04X-%04X-%02X-%02X-%02X-%02X-%02X-%02X-%02X-%02X\n",
665 hostname = (const wchar_t *) &msg[1];
666 GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
667 "Name of %u bytes (last word is 0x%0X): %*S\n",
669 hostname[size / 2 - 2],
672 get_ip_from_hostname (client,
680 * Method called to with the ego we are to use for the lookup,
681 * when the ego is the one for the default master zone.
683 * @param cls closure (NULL, unused)
684 * @param ego ego handle, NULL if not found
685 * @param ctx context for application to store data for this ego
686 * (during the lifetime of this process, initially NULL)
687 * @param name name assigned by the user for this ego,
688 * NULL if the user just deleted the ego and it
689 * must thus no longer be used
692 identity_master_cb (void *cls,
693 struct GNUNET_IDENTITY_Ego *ego,
700 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
701 _("Ego for `gns-master' not found, cannot perform lookup. Did you run gnunet-gns-import.sh?\n"));
702 GNUNET_SCHEDULER_shutdown ();
705 GNUNET_IDENTITY_ego_get_public_key (ego,
712 * Start up gns-helper-w32 service.
715 * @param cfg configuration to use
716 * @param service the initialized service
720 const struct GNUNET_CONFIGURATION_Handle *cfg,
721 struct GNUNET_SERVICE_Handle *service)
723 gns = GNUNET_GNS_connect (cfg);
727 _("Failed to connect to GNS\n"));
728 GNUNET_SCHEDULER_shutdown ();
731 GNUNET_SCHEDULER_add_shutdown (&do_shutdown,
733 identity = GNUNET_IDENTITY_connect (cfg,
736 if (NULL == identity)
739 _("Failed to connect to identity service\n"));
740 GNUNET_SCHEDULER_shutdown ();
743 id_op = GNUNET_IDENTITY_get (identity,
747 GNUNET_assert (NULL != id_op);
752 * Handle client connecting to the service.
755 * @param client the new client
756 * @param mq the message queue of @a client
760 client_connect_cb (void *cls,
761 struct GNUNET_SERVICE_Client *client,
762 struct GNUNET_MQ_Handle *mq)
769 * Callback called when a client disconnected from the service
771 * @param cls closure for the service
772 * @param c the client that disconnected
773 * @param internal_cls should be equal to @a c
776 client_disconnect_cb (void *cls,
777 struct GNUNET_SERVICE_Client *client,
780 GNUNET_assert (internal_cls == client);
785 * Define "main" method using service macro.
788 ("gns-helper-service-w32",
789 GNUNET_SERVICE_OPTION_NONE,
792 &client_disconnect_cb,
794 GNUNET_MQ_hd_var_size (get,
795 GNUNET_MESSAGE_TYPE_W32RESOLVER_REQUEST,
796 struct GNUNET_W32RESOLVER_GetMessage,
798 GNUNET_MQ_handler_end());
801 /* end of gnunet-gns-helper-service-w32.c */