1 files changed, 69 insertions, 0 deletions
diff --git a/rfc1035/rfc1035mkaddress.c b/rfc1035/rfc1035mkaddress.c
new file mode 100644
index 0000000..38f56b1
--- /dev/null
+++ b/rfc1035/rfc1035mkaddress.c
@@ -0,0 +1,69 @@
+/*
+** Copyright 1998 - 2000 Double Precision, Inc.
+** See COPYING for distribution information.
+*/
+#include	"config.h"
+#include	"rfc1035.h"
+#include	<sys/types.h>
+#include	<sys/socket.h>
+#include	<arpa/inet.h>
+#include	<errno.h>
+#include	<string.h>
+
+
+/*
+**	Ok, take an address, and a port, and come back with a socket address
+**	in the specified address family.
+*/
+
+int	rfc1035_mkaddress(int af,
+			RFC1035_NETADDR *buf,
+			const RFC1035_ADDR *addr,
+			int port,
+			const struct sockaddr **ptr,
+			int *len)
+{
+struct sockaddr_in sin;
+
+#if	RFC1035_IPV6
+
+	if (af == AF_INET6)
+	{
+	struct sockaddr_in6 sin6;
+
+		memset(&sin6, 0, sizeof(sin6));
+		sin6.sin6_family=af;
+		sin6.sin6_addr= *addr;
+		sin6.sin6_port=port;
+		memcpy(buf, &sin6, sizeof(sin6));
+		*ptr=(struct sockaddr *)buf;
+		*len=sizeof(sin6);
+		return (0);
+	}
+
+	if (af != AF_INET || (!IN6_IS_ADDR_V4MAPPED(addr) && memcmp(addr, &in6addr_any, sizeof(*addr))))
+	{
+		errno=EAFNOSUPPORT;
+		return (-1);
+	}
+
+	memset(&sin, 0, sizeof(sin));
+	sin.sin_family=af;
+	rfc1035_ipv6to4(&sin.sin_addr, addr);
+	sin.sin_port=port;
+#else
+	if (af != AF_INET)
+	{
+		errno=EINVAL;
+		return (-1);
+	}
+	memset(&sin, 0, sizeof(sin));
+	sin.sin_family=af;
+	sin.sin_addr= *addr;
+	sin.sin_port=port;
+#endif
+	memcpy(buf, &sin, sizeof(sin));
+	*ptr=(struct sockaddr *)buf;
+	*len=sizeof(sin);
+	return (0);
+}