Add radius(3) library. This will be used by RADIUS server and client

programs to manipulate RADIUS packets.  Mainly written by UMEZAWA
Takeshi.

fix and suggestion deraadt
ok deraadt

1 files changed, 81 insertions, 0 deletions

diff --git a/lib/libradius/radius_local.h b/lib/libradius/radius_local.h
new file mode 100644
index 00000000000..cd2dfe4af77
--- /dev/null
+++ b/lib/libradius/radius_local.h
@@ -0,0 +1,81 @@
+/*	$OpenBSD: radius_local.h,v 1.1 2015/07/20 23:52:29 yasuoka Exp $ */
+
+/*-
+ * Copyright (c) 2009 Internet Initiative Japan Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef RADIUS_LOCAL_H
+#define RADIUS_LOCAL_H
+
+#ifndef countof
+#define countof(x) (sizeof(x)/sizeof((x)[0]))
+#endif
+
+typedef struct _RADIUS_PACKET_DATA {
+	uint8_t code;
+	uint8_t id;
+	uint16_t length;
+	uint8_t authenticator[16];
+	char attributes[0];
+}                   RADIUS_PACKET_DATA;
+#pragma pack(1)
+typedef struct _RADIUS_ATTRIBUTE {
+	uint8_t type;
+	uint8_t length;
+	char data[0];
+	uint32_t vendor;
+	uint8_t vtype;
+	uint8_t vlength;
+	char vdata[0];
+}                 RADIUS_ATTRIBUTE;
+#pragma pack()
+
+struct _RADIUS_PACKET {
+	RADIUS_PACKET_DATA *pdata;
+	size_t capacity;
+	const RADIUS_PACKET *request;
+};
+#define RADIUS_PACKET_CAPACITY_INITIAL   64
+#define RADIUS_PACKET_CAPACITY_INCREMENT 64
+
+#define ATTRS_BEGIN(pdata) ((RADIUS_ATTRIBUTE*)pdata->attributes)
+
+#define ATTRS_END(pdata) \
+    ((RADIUS_ATTRIBUTE*)(((char*)pdata) + ntohs(pdata->length)))
+
+#define ATTRS_NEXT(x) ((RADIUS_ATTRIBUTE*)(((char*)x) + x->length))
+
+/*
+ * must be expression rather than statement
+ * to be used in third expression of for statement.
+ */
+#define ATTRS_ADVANCE(x) (x = ATTRS_NEXT(x))
+
+int radius_ensure_add_capacity(RADIUS_PACKET * packet, size_t capacity);
+
+#define ROUNDUP(a, b)	((((a) + (b) - 1) / (b)) * (b))
+#define	MINIMUM(a, b)	(((a) < (b))? (a) : (b))
+
+#endif				/* RADIUS_LOCAL_H */