2 This file is part of GNUnet.
3 Copyright (C) 2012 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/>.
19 * @file gns/w32nsp-resolve.c
20 * @brief W32 integration for GNS
23 /* Instead of including gnunet_common.h */
24 #define GNUNET_memcpy(dst,src,n) do { if (0 != n) { (void) memcpy (dst,src,n); } } while (0)
32 #include "gnunet_w32nsp_lib.h"
35 typedef int (WSPAPI *LPNSPSTARTUP) (LPGUID lpProviderId, LPNSP_ROUTINE lpnspRoutines);
37 GUID host = {0x0002a800,0,0,{ 0xC0,0,0,0,0,0,0,0x46 }};
38 GUID ip4 = {0x00090035,0,1,{ 0xc0,0,0,0,0,0,0,0x046}};
39 GUID ip6 = {0x00090035,0,0x001c, { 0xc0,0,0,0,0,0,0,0x046}};
41 DEFINE_GUID(W32_DNS, 0x22059D40, 0x7E9E, 0x11CF, 0xAE, 0x5A, 0x00, 0xAA, 0x00, 0xA7, 0x11, 0x2B);
43 #define DEFINE_DNS_GUID(a,x) DEFINE_GUID(a, 0x00090035, 0x0000, x, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46)
44 DEFINE_DNS_GUID(SVCID_DNS_TYPE_A, 0x0001);
45 DEFINE_DNS_GUID(SVCID_DNS_TYPE_NS, 0x0002);
46 DEFINE_DNS_GUID(SVCID_DNS_TYPE_CNAME, 0x0005);
47 DEFINE_DNS_GUID(SVCID_DNS_TYPE_SOA, 0x0006);
48 DEFINE_DNS_GUID(SVCID_DNS_TYPE_PTR, 0x000c);
49 DEFINE_DNS_GUID(SVCID_DNS_TYPE_MX, 0x000f);
50 DEFINE_DNS_GUID(SVCID_DNS_TYPE_TEXT, 0x0010);
51 DEFINE_DNS_GUID(SVCID_DNS_TYPE_AAAA, 0x001c);
52 DEFINE_DNS_GUID(SVCID_DNS_TYPE_SRV, 0x0021);
53 DEFINE_GUID(SVCID_HOSTNAME, 0x0002a800, 0x0000, 0x0000, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46);
54 DEFINE_GUID(SVCID_INET_HOSTADDRBYNAME, 0x0002a803, 0x0000, 0x0000, 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x46);
57 // Utility to turn a list of offsets into a list of addresses. Used
58 // to convert structures returned as BLOBs.
62 FixList(PCHAR ** List, PCHAR Base)
68 Addr = *List = (PCHAR *)( ((DWORD)*List + Base) );
71 *Addr = (PCHAR)(((DWORD)*Addr + Base));
79 // Routine to convert a hostent returned in a BLOB to one with
80 // usable pointers. The structure is converted in-place.
83 UnpackHostEnt(struct hostent * hostent)
91 hostent->h_name = (PCHAR)((DWORD)hostent->h_name + pch);
93 FixList(&hostent->h_aliases, pch);
94 FixList(&hostent->h_addr_list, pch);
99 print_hostent (struct hostent *he)
104 printf("\tOfficial name: %s\n", he->h_name);
105 for (i=0, pAlias = he->h_aliases; *pAlias != 0; pAlias++) {
106 printf("\tAlternate name #%d: %s\n", ++i, *pAlias);
108 printf("\tAddress type: ");
109 switch (he->h_addrtype) {
114 printf("AF_INET6\n");
117 printf("AF_NETBIOS\n");
120 printf(" %d\n", he->h_addrtype);
123 printf("\tAddress length: %d\n", he->h_length);
125 if (he->h_addrtype == AF_INET) {
126 struct sockaddr_in addr;
127 memset (&addr, 0, sizeof (addr));
128 addr.sin_family = AF_INET;
131 while (he->h_addr_list[i] != 0) {
134 addr.sin_addr = *(struct in_addr *) he->h_addr_list[i++];
135 if (NO_ERROR == WSAAddressToStringA ((LPSOCKADDR) &addr, sizeof (addr), NULL, buf, &buflen))
136 printf("\tIPv4 Address #%d: %s\n", i, buf);
138 printf("\tIPv4 Address #%d: Can't convert: %lu\n", i, GetLastError ());
140 } else if (he->h_addrtype == AF_INET6) {
141 struct sockaddr_in6 addr;
142 memset (&addr, 0, sizeof (addr));
143 addr.sin6_family = AF_INET6;
146 while (he->h_addr_list[i] != 0) {
149 addr.sin6_addr = *(struct in6_addr *) he->h_addr_list[i++];
150 if (NO_ERROR == WSAAddressToStringA ((LPSOCKADDR) &addr, sizeof (addr), NULL, buf, &buflen))
151 printf("\tIPv6 Address #%d: %s\n", i, buf);
153 printf("\tIPv6 Address #%d: Can't convert: %lu\n", i, GetLastError ());
160 main (int argc, char **argv)
171 if (WSAStartup(MAKEWORD(2,2), &wsd) != 0)
173 fprintf (stderr, "WSAStartup() failed: %lu\n", GetLastError());
177 cmdl = GetCommandLineW ();
183 wargv = CommandLineToArgvW (cmdl, &wargc);
193 if (wcscmp (wargv[1], L"A") == 0)
194 sc = SVCID_DNS_TYPE_A;
195 else if (wcscmp (wargv[1], L"AAAA") == 0)
196 sc = SVCID_DNS_TYPE_AAAA;
197 else if (wcscmp (wargv[1], L"name") == 0)
199 else if (wcscmp (wargv[1], L"addr") == 0)
200 sc = SVCID_INET_HOSTADDRBYNAME;
203 if (wcscmp (wargv[4], L"mswdns") == 0)
205 else if (wcscmp (wargv[4], L"gnunetdns") == 0)
206 prov = GNUNET_NAMESPACE_PROVIDER_DNS;
215 fprintf (stderr, "Usage: %S <record type> <service name> <NSP library path> <NSP id>\n"
216 "record type - one of the following: A | AAAA | name | addr\n"
217 "service name - a string to resolve; \" \" (a space) means 'blank'\n"
218 "NSP library path - path to libw32nsp\n"
219 "NSP id - one of the following: mswdns | gnunetdns\n",
227 nsp = LoadLibraryW (wargv[3]);
230 fprintf (stderr, "Failed to load library `%S'\n", wargv[3]);
234 LPNSPSTARTUP startup = (LPNSPSTARTUP) GetProcAddress (nsp, "NSPStartup");
236 startup = (LPNSPSTARTUP) GetProcAddress (nsp, "NSPStartup@8");
240 api.cbSize = sizeof (api);
241 ret = startup (&prov, &api);
243 fprintf (stderr, "startup failed: %lu\n", GetLastError ());
249 WSAQUERYSETW *result = (WSAQUERYSETW *) buf;
252 memset (&search, 0, sizeof (search));
253 search.dwSize = sizeof (search);
254 search.lpszServiceInstanceName = (wcscmp (wargv[2], L" ") == 0) ? NULL : wargv[2];
255 search.lpServiceClassId = ≻
256 search.lpNSProviderId = &prov;
257 search.dwNameSpace = NS_ALL;
258 ret = api.NSPLookupServiceBegin (&prov, &search, NULL, LUP_RETURN_ALL, &lookup);
261 fprintf (stderr, "lookup start failed\n");
266 ret = api.NSPLookupServiceNext (lookup, LUP_RETURN_ALL, &resultsize, result);
267 err = GetLastError ();
270 fprintf (stderr, "lookup next failed: %lu\n", err);
275 printf ("Got result:\n");
276 printf (" lpszServiceInstanceName: %S\n", result->lpszServiceInstanceName ? result->lpszServiceInstanceName : L"NULL");
277 if (result->lpServiceClassId)
278 printf (" lpServiceClassId: { 0x%08lX,0x%04X,0x%04X, { 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X } }\n",
279 result->lpServiceClassId->Data1, result->lpServiceClassId->Data2, result->lpServiceClassId->Data3, result->lpServiceClassId->Data4[0],
280 result->lpServiceClassId->Data4[1], result->lpServiceClassId->Data4[2], result->lpServiceClassId->Data4[3], result->lpServiceClassId->Data4[4],
281 result->lpServiceClassId->Data4[5], result->lpServiceClassId->Data4[6], result->lpServiceClassId->Data4[7]);
283 printf (" lpServiceClassId: NULL\n");
284 if (result->lpVersion)
285 printf (" lpVersion: 0x%08lX, %d\n", result->lpVersion->dwVersion, result->lpVersion->ecHow);
287 printf (" lpVersion: NULL\n");
288 printf (" lpszComment: %S\n", result->lpszComment ? result->lpszComment : L"NULL");
289 printf (" dwNameSpace: %lu\n", result->dwNameSpace);
290 if (result->lpNSProviderId)
291 printf (" lpNSProviderId: { 0x%08lX,0x%04X,0x%04X, { 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X, 0x%02X } }\n",
292 result->lpNSProviderId->Data1, result->lpNSProviderId->Data2, result->lpNSProviderId->Data3, result->lpNSProviderId->Data4[0],
293 result->lpNSProviderId->Data4[1], result->lpNSProviderId->Data4[2], result->lpNSProviderId->Data4[3], result->lpNSProviderId->Data4[4],
294 result->lpNSProviderId->Data4[5], result->lpNSProviderId->Data4[6], result->lpNSProviderId->Data4[7]);
296 printf (" lpNSProviderId: NULL\n");
297 printf (" lpszContext: %S\n", result->lpszContext ? result->lpszContext : L"NULL");
298 printf (" dwNumberOfProtocols: %lu\n", result->dwNumberOfProtocols);
299 printf (" lpszQueryString: %S\n", result->lpszQueryString ? result->lpszQueryString : L"NULL");
300 printf (" dwNumberOfCsAddrs: %lu\n", result->dwNumberOfCsAddrs);
301 for (i = 0; i < result->dwNumberOfCsAddrs; i++)
303 switch (result->lpcsaBuffer[i].iSocketType)
306 printf (" %d: iSocketType = SOCK_STREAM\n", i);
309 printf (" %d: iSocketType = SOCK_DGRAM\n", i);
312 printf (" %d: iSocketType = %d\n", i, result->lpcsaBuffer[i].iSocketType);
314 switch (result->lpcsaBuffer[i].iProtocol)
317 printf (" %d: iProtocol = IPPROTO_TCP\n", i);
320 printf (" %d: iProtocol = IPPROTO_UDP\n", i);
323 printf (" %d: iProtocol = %d\n", i, result->lpcsaBuffer[i].iProtocol);
325 switch (result->lpcsaBuffer[i].LocalAddr.lpSockaddr->sa_family)
328 printf (" %d: loc family = AF_INET\n", i);
331 printf (" %d: loc family = AF_INET6\n", i);
334 printf (" %d: loc family = %hu\n", i, result->lpcsaBuffer[i].LocalAddr.lpSockaddr->sa_family);
336 switch (result->lpcsaBuffer[i].RemoteAddr.lpSockaddr->sa_family)
339 printf (" %d: rem family = AF_INET\n", i);
342 printf (" %d: rem family = AF_INET6\n", i);
345 printf (" %d: rem family = %hu\n", i, result->lpcsaBuffer[i].RemoteAddr.lpSockaddr->sa_family);
349 if (NO_ERROR == WSAAddressToStringA (result->lpcsaBuffer[i].LocalAddr.lpSockaddr, result->lpcsaBuffer[i].LocalAddr.iSockaddrLength, NULL, buf, &buflen))
350 printf("\tLocal Address #%d: %s\n", i, buf);
352 printf("\tLocal Address #%d: Can't convert: %lu\n", i, GetLastError ());
354 if (NO_ERROR == WSAAddressToStringA (result->lpcsaBuffer[i].RemoteAddr.lpSockaddr, result->lpcsaBuffer[i].RemoteAddr.iSockaddrLength, NULL, buf, &buflen))
355 printf("\tRemote Address #%d: %s\n", i, buf);
357 printf("\tRemote Address #%d: Can't convert: %lu\n", i, GetLastError ());
359 printf (" dwOutputFlags: 0x%08lX\n", result->dwOutputFlags);
360 printf (" lpBlob: 0x%p\n", result->lpBlob);
363 struct hostent *he = malloc (result->lpBlob->cbSize);
366 GNUNET_memcpy (he, result->lpBlob->pBlobData, result->lpBlob->cbSize);
373 ret = api.NSPLookupServiceEnd (lookup);
375 printf ("NSPLookupServiceEnd() failed: %lu\n", GetLastError ());
377 api.NSPCleanup (&prov);
390 memset (&hints, 0, sizeof (struct addrinfo));
391 hints.ai_family = AF_UNSPEC;
392 hints.ai_socktype = SOCK_STREAM;
394 if (0 != (s = GetAddrInfoW (wargv[2], NULL, &hints, &result)))
396 fprintf (stderr, "Cound not resolve `%S' using GetAddrInfoW: %lu\n",
397 wargv[2], GetLastError ());
401 for (pos = result; pos != NULL; pos = pos->ai_next)
403 wchar_t tmpbuf[1024];
405 if (0 == WSAAddressToStringW (pos->ai_addr, pos->ai_addrlen, NULL, tmpbuf, &buflen))
406 fprintf (stderr, "Result:\n"
422 fprintf (stderr, "Result:\n"
435 L"<can't stringify>",
439 FreeAddrInfoW (result);