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authorArne Schwabe <arne@rfc2549.org>2012-04-16 19:21:14 +0200
committerArne Schwabe <arne@rfc2549.org>2012-04-16 19:21:14 +0200
commit3e4d8f433239c40311037616b1b8833a06651ae0 (patch)
tree98ab7fce0d011d34677b0beb762d389cb5c39199 /openvpn/src/compat/compat-inet_pton.c
Initial import
Diffstat (limited to 'openvpn/src/compat/compat-inet_pton.c')
-rw-r--r--openvpn/src/compat/compat-inet_pton.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/openvpn/src/compat/compat-inet_pton.c b/openvpn/src/compat/compat-inet_pton.c
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+++ b/openvpn/src/compat/compat-inet_pton.c
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+/*
+ * OpenVPN -- An application to securely tunnel IP networks
+ * over a single UDP port, with support for SSL/TLS-based
+ * session authentication and key exchange,
+ * packet encryption, packet authentication, and
+ * packet compression.
+ *
+ * Copyright (C) 2011 - David Sommerseth <davids@redhat.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program 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 this program (see the file COPYING included with this
+ * distribution); if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#elif defined(_MSC_VER)
+#include "config-msvc.h"
+#endif
+
+#ifndef HAVE_INET_PTON
+
+#include "compat.h"
+
+#ifdef WIN32
+
+#include <windows.h>
+#include <string.h>
+
+/*
+ * inet_ntop() and inet_pton() wrap-implementations using
+ * WSAAddressToString() and WSAStringToAddress() functions
+ *
+ * this is needed as long as we support running OpenVPN on WinXP
+ */
+
+
+int
+inet_pton(int af, const char *src, void *dst)
+{
+ struct sockaddr_storage ss;
+ int size = sizeof(ss);
+ char src_copy[INET6_ADDRSTRLEN+1];
+
+ ZeroMemory(&ss, sizeof(ss));
+ /* stupid non-const API */
+ strncpy (src_copy, src, INET6_ADDRSTRLEN+1);
+ src_copy[INET6_ADDRSTRLEN] = 0;
+
+ if (WSAStringToAddress(src_copy, af, NULL, (struct sockaddr *)&ss, &size) == 0) {
+ switch(af) {
+ case AF_INET:
+ *(struct in_addr *)dst = ((struct sockaddr_in *)&ss)->sin_addr;
+ return 1;
+ case AF_INET6:
+ *(struct in6_addr *)dst = ((struct sockaddr_in6 *)&ss)->sin6_addr;
+ return 1;
+ }
+ }
+ return 0;
+}
+
+#else
+
+#error no emulation for inet_ntop
+
+#endif
+
+#endif