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-rw-r--r--src/gns/w32nsp.c705
1 files changed, 705 insertions, 0 deletions
diff --git a/src/gns/w32nsp.c b/src/gns/w32nsp.c
new file mode 100644
index 0000000..6e58353
--- /dev/null
+++ b/src/gns/w32nsp.c
@@ -0,0 +1,705 @@
+/*
+ This file is part of GNUnet.
+ (C) 2012 Christian Grothoff (and other contributing authors)
+
+ GNUnet is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published
+ by the Free Software Foundation; either version 3, or (at your
+ option) any later version.
+
+ GNUnet is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GNUnet; see the file COPYING. If not, write to the
+ Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+*/
+/**
+ * @file gns/w32nsp.c
+ * @brief W32 integration for GNS
+ * @author LRN
+ */
+/* This code is partially based upon samples from the book
+ * "Network Programming For Microsoft Windows, 2Nd Edition".
+ */
+
+#define INITGUID
+#include <windows.h>
+#include <nspapi.h>
+#include <stdint.h>
+#include <ws2tcpip.h>
+#include <ws2spi.h>
+
+#if 1
+# define DEBUGLOG(s, ...)
+#endif
+#if 0
+# define DEBUGLOG(s, ...) printf (s, ##__VA_ARGS__)
+#endif
+
+#define WINDOWS 1
+#define MINGW 1
+#ifndef __BYTE_ORDER
+#ifdef _BYTE_ORDER
+#define __BYTE_ORDER _BYTE_ORDER
+#else
+#ifdef BYTE_ORDER
+#define __BYTE_ORDER BYTE_ORDER
+#endif
+#endif
+#endif
+#ifndef __BIG_ENDIAN
+#ifdef _BIG_ENDIAN
+#define __BIG_ENDIAN _BIG_ENDIAN
+#else
+#ifdef BIG_ENDIAN
+#define __BIG_ENDIAN BIG_ENDIAN
+#endif
+#endif
+#endif
+#ifndef __LITTLE_ENDIAN
+#ifdef _LITTLE_ENDIAN
+#define __LITTLE_ENDIAN _LITTLE_ENDIAN
+#else
+#ifdef LITTLE_ENDIAN
+#define __LITTLE_ENDIAN LITTLE_ENDIAN
+#endif
+#endif
+#endif
+#include "gnunet_w32nsp_lib.h"
+#include "w32resolver.h"
+
+#define NSPAPI_VERSION_MAJOR 4
+#define NSPAPI_VERSION_MINOR 4
+
+#define REPLY_LIFETIME 60*5
+
+#define STATE_BEGIN 0x01
+#define STATE_END 0x02
+#define STATE_REPLY 0x04
+#define STATE_GHBN 0x08
+
+uint64_t
+GNUNET_htonll (uint64_t n)
+{
+#if __BYTE_ORDER == __BIG_ENDIAN
+ return n;
+#elif __BYTE_ORDER == __LITTLE_ENDIAN
+ return (((uint64_t) htonl (n)) << 32) + htonl (n >> 32);
+#else
+ #error byteorder undefined
+#endif
+}
+
+CRITICAL_SECTION records_cs;
+
+struct record
+{
+ SOCKET s;
+ DWORD flags;
+ uint8_t state;
+ char *buf;
+ wchar_t *name;
+};
+
+static struct record *records = NULL;
+static size_t records_len = 0;
+static size_t records_size = 0;
+
+int
+resize_records ()
+{
+ size_t new_size = records_len > 0 ? records_len * 2 : 5;
+ struct record *new_records = malloc (new_size * sizeof (struct record));
+ if (new_records == NULL)
+ {
+ SetLastError (WSA_NOT_ENOUGH_MEMORY);
+ return 0;
+ }
+ memcpy (new_records, records, records_len * sizeof (struct record));
+ memset (&new_records[records_len], 0, sizeof (struct record) * (new_size - records_len));
+ records_size = new_size;
+ free (records);
+ records = new_records;
+ return 1;
+}
+
+int
+add_record (SOCKET s, const wchar_t *name, DWORD flags)
+{
+ int res = 1;
+ int i;
+ int empty = -1;
+ //EnterCriticalSection (&records_cs);
+ for (i = 0; i < records_len; i++)
+ if (records[i].state == 0)
+ break;
+ empty = i;
+ if (i == records_len)
+ {
+ res = resize_records ();
+ if (res)
+ empty = records_len++;
+ }
+ if (res)
+ {
+ struct record r;
+ r.s = s;
+ r.flags = flags;
+ r.name = (wchar_t *) name;
+ r.state = 1;
+ r.buf = NULL;
+ if (name)
+ r.name = wcsdup (name);
+ records[empty] = r;
+ }
+ //LeaveCriticalSection (&records_cs);
+ return res;
+}
+
+void
+free_record (int i)
+{
+ if (records[i].name)
+ free (records[i].name);
+ records[i].state = 0;
+}
+
+/* These are not defined by mingw.org headers at the moment*/
+typedef INT (WSPAPI *LPNSPIOCTL) (HANDLE,DWORD,LPVOID,DWORD,LPVOID,DWORD,LPDWORD,LPWSACOMPLETION,LPWSATHREADID);
+typedef struct _NSP_ROUTINE_XP {
+ DWORD cbSize;
+ DWORD dwMajorVersion;
+ DWORD dwMinorVersion;
+ LPNSPCLEANUP NSPCleanup;
+ LPNSPLOOKUPSERVICEBEGIN NSPLookupServiceBegin;
+ LPNSPLOOKUPSERVICENEXT NSPLookupServiceNext;
+ LPNSPLOOKUPSERVICEEND NSPLookupServiceEnd;
+ LPNSPSETSERVICE NSPSetService;
+ LPNSPINSTALLSERVICECLASS NSPInstallServiceClass;
+ LPNSPREMOVESERVICECLASS NSPRemoveServiceClass;
+ LPNSPGETSERVICECLASSINFO NSPGetServiceClassInfo;
+ LPNSPIOCTL NSPIoctl;
+} NSP_ROUTINE_XP;
+
+static SOCKET
+connect_to_dns_resolver ()
+{
+ struct sockaddr_in addr;
+ SOCKET r;
+ int ret;
+
+ r = socket (AF_INET, SOCK_STREAM, IPPROTO_TCP);
+ if (INVALID_SOCKET == r)
+ {
+ SetLastError (16004);
+ return r;
+ }
+
+ addr.sin_family = AF_INET;
+ addr.sin_port = htons (5353); /* TCP 5353 is not registered; UDP 5353 is */
+ addr.sin_addr.s_addr = inet_addr ("127.0.0.1");
+
+ ret = connect (r, (struct sockaddr *) &addr, sizeof (addr));
+ if (SOCKET_ERROR == ret)
+ {
+ DWORD err = GetLastError ();
+ closesocket (r);
+ SetLastError (err);
+ SetLastError (16005);
+ r = INVALID_SOCKET;
+ }
+ return r;
+}
+
+static int
+send_name_to_ip_request (LPWSAQUERYSETW lpqsRestrictions,
+ LPWSASERVICECLASSINFOW lpServiceClassInfo, DWORD dwControlFlags,
+ SOCKET *resolver)
+{
+ struct GNUNET_W32RESOLVER_GetMessage *msg;
+ int af4 = 0;
+ int af6 = 0;
+ char *buf;
+ int ret = 1;
+ int i;
+ uint32_t id;
+ size_t size = sizeof (struct GNUNET_W32RESOLVER_GetMessage);
+ size_t namelen = 0;
+ if (lpqsRestrictions->lpszServiceInstanceName)
+ namelen = sizeof (wchar_t) * (wcslen (lpqsRestrictions->lpszServiceInstanceName) + 1);
+ size += namelen;
+ buf = malloc (size);
+ msg = (struct GNUNET_W32RESOLVER_GetMessage *) buf;
+ msg->header.size = htons (size);
+ msg->header.type = htons (GNUNET_MESSAGE_TYPE_W32RESOLVER_REQUEST);
+ if (lpqsRestrictions->dwNumberOfProtocols > 0)
+ {
+ int i;
+ for (i = 0; i < lpqsRestrictions->dwNumberOfProtocols; i++)
+ {
+ if (lpqsRestrictions->lpafpProtocols[0].iAddressFamily == AF_INET)
+ af4 = 1;
+ if (lpqsRestrictions->lpafpProtocols[0].iAddressFamily == AF_INET6)
+ af6 = 1;
+ }
+ }
+ if (af4 && !af6)
+ msg->af = htonl (AF_INET);
+ else if (af6 && !af4)
+ msg->af = htonl (AF_INET6);
+ else
+ msg->af = htonl (AF_UNSPEC);
+ if (lpqsRestrictions->lpszServiceInstanceName)
+ memcpy (&msg[1], lpqsRestrictions->lpszServiceInstanceName, namelen);
+ msg->sc_data1 = htonl (lpqsRestrictions->lpServiceClassId->Data1);
+ msg->sc_data2 = htons (lpqsRestrictions->lpServiceClassId->Data2);
+ msg->sc_data3 = htons (lpqsRestrictions->lpServiceClassId->Data3);
+ msg->sc_data4 = 0;
+ for (i = 0; i < 8; i++)
+ msg->sc_data4 |= ((uint64_t) lpqsRestrictions->lpServiceClassId->Data4[i]) << ((7 - i) * 8);
+ msg->sc_data4 = GNUNET_htonll (msg->sc_data4);
+ *resolver = connect_to_dns_resolver ();
+ if (*resolver != INVALID_SOCKET)
+ {
+ if (size != send (*resolver, buf, size, 0))
+ {
+ DWORD err = GetLastError ();
+ closesocket (*resolver);
+ *resolver = INVALID_SOCKET;
+ DEBUGLOG ("GNUNET_W32NSP_LookupServiceBegin: failed to send request: %lu\n", err);
+ SetLastError (WSATRY_AGAIN);
+ ret = 0;
+ }
+ }
+ else
+ ret = 0;
+ free (buf);
+ return ret;
+}
+
+int WSPAPI
+NSPCleanup (LPGUID lpProviderId)
+{
+ DEBUGLOG ("NSPCleanup\n");
+ if (IsEqualGUID (lpProviderId, &GNUNET_NAMESPACE_PROVIDER_DNS))
+ {
+ return NO_ERROR;
+ }
+ SetLastError (WSAEINVALIDPROVIDER);
+ return SOCKET_ERROR;
+}
+
+BOOL WINAPI
+DllMain (HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
+{
+ switch (fdwReason)
+ {
+ case DLL_PROCESS_ATTACH:
+ if (!InitializeCriticalSectionAndSpinCount (&records_cs, 0x00000400))
+ {
+ return FALSE;
+ }
+ break;
+ case DLL_THREAD_ATTACH:
+ break;
+ case DLL_THREAD_DETACH:
+ break;
+ case DLL_PROCESS_DETACH:
+ DeleteCriticalSection (&records_cs);
+ break;
+ }
+ return TRUE;
+}
+
+
+
+
+int WSPAPI
+GNUNET_W32NSP_LookupServiceBegin (LPGUID lpProviderId, LPWSAQUERYSETW lpqsRestrictions,
+ LPWSASERVICECLASSINFOW lpServiceClassInfo, DWORD dwControlFlags,
+ LPHANDLE lphLookup)
+{
+ DEBUGLOG ("GNUNET_W32NSP_LookupServiceBegin\n");
+ if (IsEqualGUID (lpProviderId, &GNUNET_NAMESPACE_PROVIDER_DNS))
+ {
+ SOCKET s;
+ if (lpqsRestrictions->dwNameSpace != NS_DNS && lpqsRestrictions->dwNameSpace != NS_ALL)
+ {
+ DEBUGLOG ("GNUNET_W32NSP_LookupServiceBegin: wrong namespace\n");
+ SetLastError (WSANO_DATA);
+ return SOCKET_ERROR;
+ }
+ if (lpqsRestrictions->lpszServiceInstanceName != NULL)
+ {
+ wchar_t *s = lpqsRestrictions->lpszServiceInstanceName;
+ size_t len = wcslen (s);
+ if (len >= 4 && wcscmp (&s[len - 4], L"zkey") == 0)
+ {
+ }
+ else if (len >= 4 && wcscmp (&s[len - 4], L"gads") == 0)
+ {
+ }
+ else
+ {
+ DEBUGLOG ("GNUNET_W32NSP_LookupServiceBegin: unsupported TLD\n");
+ SetLastError (WSANO_DATA);
+ return SOCKET_ERROR;
+ }
+ }
+
+ if (send_name_to_ip_request (lpqsRestrictions,
+ lpServiceClassInfo, dwControlFlags, &s))
+ {
+ if (!(add_record (s, lpqsRestrictions->lpszServiceInstanceName, dwControlFlags)))
+ {
+ DWORD err = GetLastError ();
+ DEBUGLOG ("GNUNET_W32NSP_LookupServiceBegin: failed to add a record\n");
+ closesocket (s);
+ SetLastError (err);
+ return SOCKET_ERROR;
+ }
+ *lphLookup = (HANDLE) s;
+ DEBUGLOG ("GNUNET_W32NSP_LookupServiceBegin: OK (%lu)\n", GetLastError ());
+ return NO_ERROR;
+ }
+ return SOCKET_ERROR;
+ }
+ DEBUGLOG ("GNUNET_W32NSP_LookupServiceBegin: wrong provider\n");
+ SetLastError (WSAEINVALIDPROVIDER);
+ return SOCKET_ERROR;
+}
+
+#define UnmarshallPtr(ptr, ptrtype, base) \
+ if (ptr) \
+ ptr = (ptrtype *) (base + (uintptr_t) ptr)
+
+void
+UnmarshallWSAQUERYSETW (LPWSAQUERYSETW req)
+{
+ int i;
+ char *base = (char *) req;
+ UnmarshallPtr (req->lpszServiceInstanceName, wchar_t, base);
+ UnmarshallPtr (req->lpServiceClassId, GUID, base);
+ UnmarshallPtr (req->lpVersion, WSAVERSION, base);
+ UnmarshallPtr (req->lpszComment, wchar_t, base);
+ UnmarshallPtr (req->lpNSProviderId, GUID, base);
+ UnmarshallPtr (req->lpszContext, wchar_t, base);
+ UnmarshallPtr (req->lpafpProtocols, AFPROTOCOLS, base);
+ UnmarshallPtr (req->lpszQueryString, wchar_t, base);
+ UnmarshallPtr (req->lpcsaBuffer, CSADDR_INFO, base);
+ for (i = 0; i < req->dwNumberOfCsAddrs; i++)
+ {
+ UnmarshallPtr (req->lpcsaBuffer[i].LocalAddr.lpSockaddr, SOCKADDR, base);
+ UnmarshallPtr (req->lpcsaBuffer[i].RemoteAddr.lpSockaddr, SOCKADDR, base);
+ }
+ UnmarshallPtr (req->lpBlob, BLOB, base);
+ if (req->lpBlob)
+ UnmarshallPtr (req->lpBlob->pBlobData, BYTE, base);
+}
+
+int WSAAPI
+GNUNET_W32NSP_LookupServiceNext (HANDLE hLookup, DWORD dwControlFlags,
+ LPDWORD lpdwBufferLength, LPWSAQUERYSET lpqsResults)
+{
+ DWORD effective_flags;
+ int i;
+ struct GNUNET_MessageHeader header = {0, 0};
+ int rec = -1;
+ int rc;
+ int to_receive;
+ int t;
+ char *buf;
+
+ DEBUGLOG ("GNUNET_W32NSP_LookupServiceNext\n");
+ //EnterCriticalSection (&records_cs);
+ for (i = 0; i < records_len; i++)
+ {
+ if (records[i].s == (SOCKET) hLookup)
+ {
+ rec = i;
+ break;
+ }
+ }
+ if (rec == -1)
+ {
+ DEBUGLOG ("GNUNET_W32NSP_LookupServiceNext: invalid handle\n");
+ SetLastError (WSA_INVALID_HANDLE);
+ //LeaveCriticalSection (&records_cs);
+ return SOCKET_ERROR;
+ }
+ if (records[rec].state & 4)
+ {
+ DEBUGLOG ("GNUNET_W32NSP_LookupServiceNext: session is closed\n");
+ SetLastError (WSA_E_NO_MORE);
+ //LeaveCriticalSection (&records_cs);
+ return SOCKET_ERROR;
+ }
+ effective_flags = dwControlFlags & records[rec].flags;
+ if (records[rec].buf)
+ {
+ header = *((struct GNUNET_MessageHeader *) records[rec].buf);
+ if (dwControlFlags & LUP_FLUSHCACHE)
+ {
+ free (records[rec].buf);
+ records[rec].buf = NULL;
+ }
+ else
+ {
+ if (*lpdwBufferLength < header.size - sizeof (struct GNUNET_W32RESOLVER_GetMessage))
+ {
+ DEBUGLOG ("GNUNET_W32NSP_LookupServiceNext: client buffer is too small\n");
+ SetLastError (WSAEFAULT);
+ //LeaveCriticalSection (&records_cs);
+ return SOCKET_ERROR;
+ }
+ memcpy (lpqsResults, &((struct GNUNET_W32RESOLVER_GetMessage *)records[rec].buf)[1], header.size - sizeof (struct GNUNET_W32RESOLVER_GetMessage));
+ free (records[rec].buf);
+ records[rec].buf = NULL;
+ //LeaveCriticalSection (&records_cs);
+ UnmarshallWSAQUERYSETW ((LPWSAQUERYSETW) lpqsResults);
+ DEBUGLOG ("GNUNET_W32NSP_LookupServiceNext: OK (from buffer)\n");
+ return NO_ERROR;
+ }
+ }
+ records[rec].state |= 8;
+ //LeaveCriticalSection (&records_cs);
+ to_receive = sizeof (header);
+ rc = 0;
+ while (to_receive > 0)
+ {
+ t = recv ((SOCKET) hLookup, &((char *) &header)[rc], to_receive, 0);
+ if (t > 0)
+ {
+ rc += t;
+ to_receive -= t;
+ }
+ else
+ break;
+ }
+ //EnterCriticalSection (&records_cs);
+ records[rec].state &= ~8;
+ if (rc != sizeof (header))
+ {
+ if (records[rec].state & 2)
+ {
+ DEBUGLOG ("GNUNET_W32NSP_LookupServiceNext: call cancelled\n");
+ SetLastError (WSA_E_CANCELLED);
+ }
+ else
+ {
+ DEBUGLOG ("GNUNET_W32NSP_LookupServiceNext: failed to receive enough data\n");
+ SetLastError (WSA_E_NO_MORE);
+ }
+ records[rec].state |= 4;
+ //LeaveCriticalSection (&records_cs);
+ return SOCKET_ERROR;
+ }
+ records[rec].state &= ~8;
+ header.type = ntohs (header.type);
+ header.size = ntohs (header.size);
+ if (header.type != GNUNET_MESSAGE_TYPE_W32RESOLVER_RESPONSE ||
+ (header.type == GNUNET_MESSAGE_TYPE_W32RESOLVER_RESPONSE &&
+ header.size == sizeof (header)))
+ {
+ records[rec].state |= 4;
+ DEBUGLOG ("GNUNET_W32NSP_LookupServiceNext: header is wrong or type is wrong or no data\n");
+ //LeaveCriticalSection (&records_cs);
+ SetLastError (WSA_E_NO_MORE);
+ return SOCKET_ERROR;
+ }
+ buf = malloc (header.size);
+ if (buf == NULL)
+ {
+ records[rec].state |= 4;
+ DEBUGLOG ("GNUNET_W32NSP_LookupServiceNext: malloc() failed\n");
+ //LeaveCriticalSection (&records_cs);
+ SetLastError (WSA_E_NO_MORE);
+ return SOCKET_ERROR;
+ }
+ records[rec].state |= 8;
+ //LeaveCriticalSection (&records_cs);
+ memcpy (buf, &header, sizeof (header));
+ to_receive = header.size - sizeof (header);
+ rc = 0;
+ while (to_receive > 0)
+ {
+ t = recv ((SOCKET) hLookup, &((char *) &((struct GNUNET_MessageHeader *) buf)[1])[rc], to_receive, 0);
+ if (t > 0)
+ {
+ rc += t;
+ to_receive -= t;
+ }
+ else
+ break;
+ }
+ //EnterCriticalSection (&records_cs);
+ records[rec].state &= ~8;
+ if (rc != header.size - sizeof (header))
+ {
+ free (buf);
+ if (records[rec].state & 2)
+ {
+ DEBUGLOG ("GNUNET_W32NSP_LookupServiceNext: call cancelled\n");
+ SetLastError (WSA_E_CANCELLED);
+ }
+ else
+ {
+ DEBUGLOG ("GNUNET_W32NSP_LookupServiceNext: failed to receive enough data\n");
+ SetLastError (WSA_E_NO_MORE);
+ }
+ records[rec].state |= 4;
+ //LeaveCriticalSection (&records_cs);
+ return SOCKET_ERROR;
+ }
+ if (*lpdwBufferLength < header.size - sizeof (struct GNUNET_W32RESOLVER_GetMessage))
+ {
+ DEBUGLOG ("GNUNET_W32NSP_LookupServiceNext: client buffer is too small\n");
+ SetLastError (WSAEFAULT);
+ records[rec].buf = buf;
+ //LeaveCriticalSection (&records_cs);
+ return SOCKET_ERROR;
+ }
+ //LeaveCriticalSection (&records_cs);
+ memcpy (lpqsResults, &((struct GNUNET_W32RESOLVER_GetMessage *)buf)[1], header.size - sizeof (struct GNUNET_W32RESOLVER_GetMessage));
+ free (buf);
+ DEBUGLOG ("GNUNET_W32NSP_LookupServiceNext: OK\n");
+ UnmarshallWSAQUERYSETW ((LPWSAQUERYSETW) lpqsResults);
+ DEBUGLOG ("GNUNET_W32NSP_LookupServiceNext: returning (%lu)\n", GetLastError ());
+ return NO_ERROR;
+}
+
+int WSPAPI
+GNUNET_W32NSP_LookupServiceEnd (HANDLE hLookup)
+{
+ DWORD effective_flags;
+ int i;
+ struct GNUNET_MessageHeader header = {0, 0};
+ int rec = -1;
+ int rc;
+ char *buf;
+
+ DEBUGLOG ("GNUNET_W32NSP_LookupServiceEnd\n");
+ //EnterCriticalSection (&records_cs);
+ for (i = 0; i < records_len; i++)
+ {
+ if (records[i].s == (SOCKET) hLookup)
+ {
+ rec = i;
+ break;
+ }
+ }
+ if (rec == -1)
+ {
+ SetLastError (WSA_INVALID_HANDLE);
+ //LeaveCriticalSection (&records_cs);
+ DEBUGLOG ("GNUNET_W32NSP_LookupServiceEnd: invalid handle\n");
+ return SOCKET_ERROR;
+ }
+ records[rec].state |= 2;
+ closesocket (records[rec].s);
+ while (records[rec].state & 8)
+ {
+ //LeaveCriticalSection (&records_cs);
+ Sleep (10);
+ //EnterCriticalSection (&records_cs);
+ }
+ if (records[rec].buf)
+ free (records[rec].buf);
+ records[rec].buf = NULL;
+ records[rec].state = 0;
+ if (records[rec].name)
+ free (records[rec].name);
+ //LeaveCriticalSection (&records_cs);
+ DEBUGLOG ("GNUNET_W32NSP_LookupServiceEnd: OK\n");
+ return NO_ERROR;
+}
+
+int WSAAPI
+GNUNET_W32NSP_SetService (LPGUID lpProviderId,
+ LPWSASERVICECLASSINFOW lpServiceClassInfo, LPWSAQUERYSETW lpqsRegInfo,
+ WSAESETSERVICEOP essOperation, DWORD dwControlFlags)
+{
+ DEBUGLOG ("GNUNET_W32NSP_SetService\n");
+ SetLastError (WSAEOPNOTSUPP);
+ return SOCKET_ERROR;
+}
+
+int WSAAPI
+GNUNET_W32NSP_InstallServiceClass (LPGUID lpProviderId,
+ LPWSASERVICECLASSINFOW lpServiceClassInfo)
+{
+ DEBUGLOG ("GNUNET_W32NSP_InstallServiceClass\n");
+ SetLastError (WSAEOPNOTSUPP);
+ return SOCKET_ERROR;
+}
+
+
+int WSAAPI
+GNUNET_W32NSP_RemoveServiceClass (LPGUID lpProviderId, LPGUID lpServiceClassId)
+{
+ DEBUGLOG ("GNUNET_W32NSP_RemoveServiceClass\n");
+ SetLastError (WSAEOPNOTSUPP);
+ return SOCKET_ERROR;
+}
+
+int WSAAPI
+GNUNET_W32NSP_GetServiceClassInfo (LPGUID lpProviderId, LPDWORD lpdwBufSize,
+ LPWSASERVICECLASSINFOW lpServiceClassInfo)
+{
+ DEBUGLOG ("GNUNET_W32NSP_GetServiceClassInfo\n");
+ SetLastError (WSAEOPNOTSUPP);
+ return SOCKET_ERROR;
+}
+
+int WSAAPI
+GNUNET_W32NSP_Ioctl (HANDLE hLookup, DWORD dwControlCode, LPVOID lpvInBuffer,
+ DWORD cbInBuffer, LPVOID lpvOutBuffer, DWORD cbOutBuffer,
+ LPDWORD lpcbBytesReturned, LPWSACOMPLETION lpCompletion,
+ LPWSATHREADID lpThreadId)
+{
+ DEBUGLOG ("GNUNET_W32NSP_Ioctl\n");
+ SetLastError (WSAEOPNOTSUPP);
+ return SOCKET_ERROR;
+}
+
+/**
+ * This function is called by Winsock to hook up our provider.
+ * It is the only function that [should be/is] exported by the
+ * provider. All other routines are passed as pointers in lpnspRoutines.
+ */
+int WSPAPI
+NSPStartup (LPGUID lpProviderId, LPNSP_ROUTINE lpnspRoutines)
+{
+ if (IsEqualGUID (lpProviderId, &GNUNET_NAMESPACE_PROVIDER_DNS))
+ {
+ if (!connect_to_dns_resolver ())
+ {
+ return SOCKET_ERROR;
+ }
+ /* This assumes that NSP_ROUTINE struct doesn't have a NSPIoctl member.
+ * If it does, you need to use FIELD_OFFSET() macro to get offset of NSPIoctl
+ * and use that offset as cbSize.
+ */
+ lpnspRoutines->cbSize = sizeof(NSP_ROUTINE_XP);
+
+ lpnspRoutines->dwMajorVersion = NSPAPI_VERSION_MAJOR;
+ lpnspRoutines->dwMinorVersion = NSPAPI_VERSION_MINOR;
+ lpnspRoutines->NSPCleanup = NSPCleanup;
+ lpnspRoutines->NSPLookupServiceBegin = GNUNET_W32NSP_LookupServiceBegin;
+ lpnspRoutines->NSPLookupServiceNext = GNUNET_W32NSP_LookupServiceNext;
+ lpnspRoutines->NSPLookupServiceEnd = GNUNET_W32NSP_LookupServiceEnd;
+ lpnspRoutines->NSPSetService = GNUNET_W32NSP_SetService;
+ lpnspRoutines->NSPInstallServiceClass = GNUNET_W32NSP_InstallServiceClass;
+ lpnspRoutines->NSPRemoveServiceClass = GNUNET_W32NSP_RemoveServiceClass;
+ lpnspRoutines->NSPGetServiceClassInfo = GNUNET_W32NSP_GetServiceClassInfo;
+ ((NSP_ROUTINE_XP *) lpnspRoutines)->NSPIoctl = GNUNET_W32NSP_Ioctl;
+ return NO_ERROR;
+ }
+ SetLastError (WSAEINVALIDPROVIDER);
+ return SOCKET_ERROR;
+}
+