1 files changed, 0 insertions, 262 deletions
diff --git a/eBones/krb/des_rw.c b/eBones/krb/des_rw.c
deleted file mode 100644
index 5b339ee..0000000
--- a/eBones/krb/des_rw.c
+++ /dev/null
@@ -1,262 +0,0 @@
-/*
- * Copyright (c) 1994 Geoffrey M. Rehmet, Rhodes University
- * All rights reserved.
- *
- * This code is derived from a specification based on software
- * which forms part of the 4.4BSD-Lite distribution, which was developed
- * by the University of California and its contributors.
- *
- * 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 entire comment,
- *    including the above copyright notice, this list of conditions
- *    and the following disclaimer, verbatim, at the beginning of
- *    the source file.
- * 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.
- * 3. All advertising materials mentioning features or use of this software
- *    must display the following acknowledgement:
- *	This product includes software developed by Geoffrey M. Rehmet
- * 4. Neither the name of Geoffrey M. Rehmet nor that of Rhodes University
- *    may be used to endorse or promote products derived from this software
- *    without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED ``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 GEOFFREY M. REHMET OR RHODES UNIVERSITY 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.
- *
- * $Id: des_rw.c,v 1.6 1995/07/18 16:38:17 mark Exp $
- */
-
-/*
- *
- *	NB: THESE ROUTINES WILL FAIL IF NON-BLOCKING I/O IS USED.
- *
- */
-
-/*
- * Routines for reading and writing DES encrypted messages onto sockets.
- * (These routines will fail if non-blocking I/O is used.)
- *
- * When a message is written, its length is first transmitted as an int,
- * in network byte order.  The encrypted message is then transmitted,
- * to a multiple of 8 bytes.  Messages shorter than 8 bytes are right
- * justified into a buffer of length 8 bytes, and the remainder of the
- * buffer is filled with random garbage (before encryption):
- *
- *     DDD -------->--+--------+
- *                    |        |
- *     +--+--+--+--+--+--+--+--+
- *     |x |x |x |x |x |D |D |D |
- *     +--+--+--+--+--+--+--+--+
- *     |  garbage     | data   |
- *     |                       |
- *     +-----------------------+----> des_pcbc_encrypt() -->
- *
- * (Note that the length field sent before the actual message specifies
- * the number of data bytes, not the length of the entire padded message.
- *
- * When data is read, if the message received is longer than the number
- * of bytes requested, then the remaining bytes are stored until the
- * following call to des_read().  If the number of bytes received is
- * less then the number of bytes received, then only the number of bytes
- * actually received is returned.
- *
- * This interface corresponds with the original des_rw.c, except for the
- * bugs in des_read() in the original 4.4BSD version.  (One bug is
- * normally not visible, due to undocumented behaviour of
- * des_pcbc_encrypt() in the original MIT libdes.)
- *
- * XXX Todo:
- *	1) Give better error returns on writes
- *	2) Improve error checking on reads
- *	3) Get rid of need for extern decl. of krb_net_read()
- *	4) Tidy garbage generation a bit
- *	5) Make the above comment more readable
- */
-
-#ifdef CRYPT
-#ifdef KERBEROS
-
-#ifndef BUFFER_LEN
-#define	BUFFER_LEN	10240
-#endif
-
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <unistd.h>
-
-#include <sys/param.h>
-#include <sys/types.h>
-
-#include <des.h>
-#include <krb.h>
-
-static des_cblock	des_key;
-static des_key_schedule	key_schedule;
-
-/*
- * Buffer for storing extra data when more data is received, then was
- * actually requested in des_read().
- */
-static u_char		des_buff[BUFFER_LEN];
-static u_char		buffer[BUFFER_LEN];
-static unsigned		stored = 0;
-static u_char		*buff_ptr = buffer;
-
-/*
- * Set the encryption key for des_read() and des_write().
- * inkey is the initial vector for the DES encryption, while insched is
- * the DES key, in unwrapped form.
- */
-
-int
-des_set_key(inkey, insched)
-	des_cblock *inkey;
-	des_key_schedule insched;
-{
-	bcopy(inkey, des_key, sizeof(des_cblock));
-	bcopy(insched, &key_schedule, sizeof(des_key_schedule));
-	return 0;
-}
-
-/*
- * Clear the key schedule, and initial vector, which were previously
- * stored in static vars by des_set_key().
- */
-void des_clear_key()
-{
-	bzero(&des_key, sizeof(des_cblock));
-	bzero(&key_schedule, sizeof(des_key_schedule));
-}
-
-int
-des_read(fd, buf, len)
-	int fd;
-	register char * buf;
-	int len;
-{
-	int	msg_length;	/* length of actual message data */
-	int	pad_length;	/* length of padded message */
-	int	nread;		/* number of bytes actually read */
-	int	nreturned = 0;
-
-	if(stored >= len) {
-		bcopy(buff_ptr, buf, len);
-		stored -= len;
-		buff_ptr += len;
-		return(len);
-	} else {
-		if (stored) {
-			bcopy(buff_ptr, buf, stored);
-			nreturned = stored;
-			len -= stored;
-			stored = 0;
-			buff_ptr = buffer;
-		} else {
-			nreturned = 0;
-			buff_ptr = buffer;
-		}
-	}
-
-	nread = krb_net_read(fd, (char *)&msg_length, sizeof(msg_length));
-	if(nread != (int)(sizeof(msg_length)))
-		return(0);
-
-	msg_length = ntohl(msg_length);
-	pad_length = roundup(msg_length, 8);
-
-	nread = krb_net_read(fd, des_buff, pad_length);
-	if(nread != pad_length)
-		return(0);
-
-	des_pcbc_encrypt((des_cblock*) des_buff, (des_cblock*) buff_ptr,
-		(msg_length < 8 ? 8 : msg_length),
-		key_schedule, (des_cblock*) &des_key, DES_DECRYPT);
-
-
-	if(msg_length < 8)
-		buff_ptr += (8 - msg_length);
-	stored = msg_length;
-
-	if(stored >= len) {
-		bcopy(buff_ptr, buf, len);
-		stored -= len;
-		buff_ptr += len;
-		nreturned += len;
-	} else {
-		bcopy(buff_ptr, buf, stored);
-		nreturned += stored;
-		stored = 0;
-	}
-
-	return(nreturned);
-}
-
-
-/*
- * Write a message onto a file descriptor (generally a socket), using
- * DES to encrypt the message.
- */
-int
-des_write(fd, buf, len)
-	int fd;
-	char * buf;
-	int len;
-{
-	static	int seeded = 0;
-	char	garbage[8];
-	long	rnd;
-	int	pad_len;
-	int	write_len;
-	int	i;
-	char	*data;
-
-	if(len < 8) {
-		/*
-		 * Right justify the message in 8 bytes of random garbage.
-		 */
-		if(!seeded) {
-			seeded = 1;
-			srandom((unsigned)time(NULL));
-		}
-
-		for(i = 0 ; i < 8 ; i+= sizeof(long)) {
-			rnd = random();
-			bcopy(&rnd, garbage+i,
-				(i <= (8 - sizeof(long)))?sizeof(long):(8-i));
-		}
-		bcopy(buf, garbage + 8 - len, len);
-		data = garbage;
-		pad_len = 8;
-	} else {
-		data = buf;
-		pad_len = roundup(len, 8);
-	}
-
-	des_pcbc_encrypt((des_cblock*) data, (des_cblock*) des_buff,
-		(len < 8)?8:len, key_schedule, (des_cblock*) &des_key, DES_ENCRYPT);
-
-
-	write_len = htonl(len);
-	if(write(fd, &write_len, sizeof(write_len)) != sizeof(write_len))
-		return(-1);
-	if(write(fd, des_buff, pad_len) != pad_len)
-		return(-1);
-
-	return(len);
-}
-
-#endif /* KERBEROS */
-#endif /* CRYPT */