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authorAlberto Gonzalez Iniesta <agi@inittab.org>2012-11-05 16:28:10 +0100
committerAlberto Gonzalez Iniesta <agi@inittab.org>2012-11-05 16:28:10 +0100
commitd213c4e5576e2fd601679e0d7b2fb1262b807111 (patch)
tree5f0cc82bd0f11fb13b385417604d04c751245a92 /src/compat/compat-inet_ntop.c
parent79c8d3ef7a938f86472e549ef64e1fb820dc80c4 (diff)
parent8dd0350e1607aa30f7a043c8d5ec7a7eeb874115 (diff)
Merge tag 'upstream/2.3_rc1'
Upstream version 2.3_rc1
Diffstat (limited to 'src/compat/compat-inet_ntop.c')
-rw-r--r--src/compat/compat-inet_ntop.c76
1 files changed, 76 insertions, 0 deletions
diff --git a/src/compat/compat-inet_ntop.c b/src/compat/compat-inet_ntop.c
new file mode 100644
index 0000000..0d52142
--- /dev/null
+++ b/src/compat/compat-inet_ntop.c
@@ -0,0 +1,76 @@
+/*
+ * 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_NTOP
+
+#include "compat.h"
+
+#ifdef WIN32
+
+#include <windows.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
+ */
+
+const char *
+inet_ntop(int af, const void *src, char *dst, socklen_t size)
+{
+ struct sockaddr_storage ss;
+ unsigned long s = size;
+
+ ZeroMemory(&ss, sizeof(ss));
+ ss.ss_family = af;
+
+ switch(af) {
+ case AF_INET:
+ ((struct sockaddr_in *)&ss)->sin_addr = *(struct in_addr *)src;
+ break;
+ case AF_INET6:
+ ((struct sockaddr_in6 *)&ss)->sin6_addr = *(struct in6_addr *)src;
+ break;
+ default:
+ return NULL;
+ }
+ /* cannot direclty use &size because of strict aliasing rules */
+ return (WSAAddressToString((struct sockaddr *)&ss, sizeof(ss), NULL, dst, &s) == 0)?
+ dst : NULL;
+}
+
+#else
+
+#error no emulation for inet_ntop
+
+#endif
+
+#endif