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- /*
- 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-install.c
- * @brief W32 integration installer for GNS
- * @author LRN
- */
- #define INITGUID
- #include <ws2spi.h>
- #include <windows.h>
- #include <nspapi.h>
- #include "gnunet_w32nsp_lib.h"
- #include <stdio.h>
- int
- main (int argc, char **argv)
- {
- int ret;
- int r = 1;
- WSADATA wsd;
- GUID id = GNUNET_NAMESPACE_PROVIDER_DNS;
- wchar_t *cmdl;
- int wargc;
- wchar_t **wargv;
- /* Allocate a 4K buffer to retrieve all the namespace providers */
- DWORD dwInitialBufferLen = 4096;
- DWORD dwBufferLen;
- WSANAMESPACE_INFO *pi;
- int p_count;
- int i;
- if (WSAStartup (MAKEWORD (2,2), &wsd) != 0)
- {
- fprintf (stderr, "WSAStartup () failed: %lu\n", GetLastError ());
- return 5;
- }
- dwBufferLen = dwInitialBufferLen;
- pi = malloc (dwBufferLen);
- if (NULL == pi)
- {
- fprintf (stderr, "malloc (%lu) failed: %d\n", dwBufferLen, errno);
- WSACleanup ();
- return 6;
- }
- p_count = WSAEnumNameSpaceProviders (&dwBufferLen, pi);
- if (SOCKET_ERROR == p_count)
- {
- DWORD err = GetLastError ();
- if (WSAEFAULT == err && dwBufferLen != dwInitialBufferLen)
- {
- free (pi);
- pi = malloc (dwBufferLen);
- if (pi == NULL)
- {
- fprintf (stderr, "malloc (%lu) failed: %d\n", dwBufferLen, errno);
- WSACleanup ();
- return 6;
- }
- p_count = WSAEnumNameSpaceProviders (&dwBufferLen, pi);
- if (SOCKET_ERROR == p_count)
- {
- fprintf (stderr, "WSAEnumNameSpaceProviders (&%lu, %p) failed: %lu\n", dwBufferLen, pi, GetLastError ());
- free (pi);
- WSACleanup ();
- return 7;
- }
- }
- else
- {
- fprintf (stderr, "WSAEnumNameSpaceProviders (&%lu, %p) failed: %lu\n", dwBufferLen, pi, GetLastError ());
- free (pi);
- WSACleanup ();
- return 8;
- }
- }
- for (i= 0; i < p_count; i++)
- {
- if (IsEqualGUID (&pi[i].NSProviderId, &id))
- {
- fprintf (stderr, "GNUnet DNS provider is already installed\n");
- free (pi);
- WSACleanup ();
- return 0;
- }
- }
- free (pi);
- cmdl = GetCommandLineW ();
- if (cmdl == NULL)
- {
- WSACleanup ();
- return 2;
- }
- wargv = CommandLineToArgvW (cmdl, &wargc);
- if (wargv == NULL)
- {
- WSACleanup ();
- return 3;
- }
- r = 4;
- if (wargc == 2)
- {
- ret = WSCInstallNameSpace (L"GNUnet DNS provider", wargv[1], NS_DNS, 0, &id);
- if (ret == NO_ERROR)
- {
- fprintf (stderr, "Installed GNUnet DNS provider\n");
- r = 0;
- }
- else
- {
- r = 1;
- fprintf (stderr,
- "WSCInstallNameSpace (L\"GNUnet DNS provider\", \"%S\", %d, 0, %p) failed: %lu\n",
- wargv[1], NS_DNS, &id, GetLastError ());
- }
- }
- else
- fprintf (stderr, "Usage: %S <path-to-libw32nsp>\n", wargv[0]);
- WSACleanup ();
- return r;
- }
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