Initial import of RADIUS client library donated by Juniper Networks, Inc.

1 files changed, 82 insertions, 0 deletions

diff --git a/lib/libradius/radlib_private.h b/lib/libradius/radlib_private.h
new file mode 100644
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+++ b/lib/libradius/radlib_private.h
@@ -0,0 +1,82 @@
+/*-
+ * Copyright 1998 Juniper Networks, 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.
+ *
+ *	$FreeBSD$
+ */
+
+#ifndef RADLIB_PRIVATE_H
+#define RADLIB_PRIVATE_H
+
+#include <sys/types.h>
+#include <netinet/in.h>
+
+#include "radlib.h"
+
+/* Defaults */
+#define MAXTRIES		3
+#define PATH_RADIUS_CONF	"/etc/radius.conf"
+#define RADIUS_PORT		1812
+#define TIMEOUT			3	/* In seconds */
+
+/* Limits */
+#define ERRSIZE		128		/* Maximum error message length */
+#define MAXCONFLINE	1024		/* Maximum config file line length */
+#define MAXSERVERS	10		/* Maximum number of servers to try */
+#define MSGSIZE		4096		/* Maximum RADIUS message */
+#define PASSSIZE	128		/* Maximum significant password chars */
+
+/* Positions of fields in RADIUS messages */
+#define POS_CODE	0		/* Message code */
+#define POS_IDENT	1		/* Identifier */
+#define POS_LENGTH	2		/* Message length */
+#define POS_AUTH	4		/* Authenticator */
+#define LEN_AUTH	16		/* Length of authenticator */
+#define POS_ATTRS	20		/* Start of attributes */
+
+struct rad_server {
+	struct sockaddr_in addr;	/* Address of server */
+	char		*secret;	/* Shared secret */
+	int		 timeout;	/* Timeout in seconds */
+	int		 max_tries;	/* Number of tries before giving up */
+	int		 num_tries;	/* Number of tries so far */
+};
+
+struct rad_handle {
+	int		 fd;		/* Socket file descriptor */
+	struct rad_server servers[MAXSERVERS];	/* Servers to contact */
+	int		 num_servers;	/* Number of valid server entries */
+	int		 ident;		/* Current identifier value */
+	char		 errmsg[ERRSIZE];	/* Most recent error message */
+	unsigned char	 request[MSGSIZE];	/* Request to send */
+	int		 req_len;	/* Length of request */
+	char		 pass[PASSSIZE];	/* Cleartext password */
+	int		 pass_len;	/* Length of cleartext password */
+	int		 pass_pos;	/* Position of scrambled password */
+	unsigned char	 response[MSGSIZE];	/* Response received */
+	int		 resp_len;	/* Length of response */
+	int		 resp_pos;	/* Current position scanning attrs */
+};
+
+#endif