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Diffstat (limited to 'src/libfreeswan/initaddr.c')
-rw-r--r--src/libfreeswan/initaddr.c51
1 files changed, 51 insertions, 0 deletions
diff --git a/src/libfreeswan/initaddr.c b/src/libfreeswan/initaddr.c
new file mode 100644
index 000000000..c215f6bdf
--- /dev/null
+++ b/src/libfreeswan/initaddr.c
@@ -0,0 +1,51 @@
+/*
+ * initialize address structure
+ * Copyright (C) 2000 Henry Spencer.
+ *
+ * This library is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Library General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version. See <http://www.fsf.org/copyleft/lgpl.txt>.
+ *
+ * This library 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 Library General Public
+ * License for more details.
+ *
+ * RCSID $Id: initaddr.c,v 1.1 2004/03/15 20:35:26 as Exp $
+ */
+#include "internal.h"
+#include "freeswan.h"
+
+/*
+ - initaddr - initialize ip_address from bytes
+ */
+err_t /* NULL for success, else string literal */
+initaddr(src, srclen, af, dst)
+const unsigned char *src;
+size_t srclen;
+int af; /* address family */
+ip_address *dst;
+{
+ switch (af) {
+ case AF_INET:
+ if (srclen != 4)
+ return "IPv4 address must be exactly 4 bytes";
+ dst->u.v4.sin_family = af;
+ dst->u.v4.sin_port = 0; /* unused */
+ memcpy((char *)&dst->u.v4.sin_addr.s_addr, src, srclen);
+ break;
+ case AF_INET6:
+ if (srclen != 16)
+ return "IPv6 address must be exactly 16 bytes";
+ dst->u.v6.sin6_family = af;
+ dst->u.v6.sin6_flowinfo = 0; /* unused */
+ dst->u.v6.sin6_port = 0; /* unused */
+ memcpy((char *)&dst->u.v6.sin6_addr, src, srclen);
+ break;
+ default:
+ return "unknown address family in initaddr";
+ break;
+ }
+ return NULL;
+}