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authorpeter <peter@FreeBSD.org>1995-12-30 19:02:48 +0000
committerpeter <peter@FreeBSD.org>1995-12-30 19:02:48 +0000
commitc3f352d4ad515968c54d216a0e53252eff8ab3ef (patch)
tree48ddeda3c6c8d8572cc34bf52ccf9cb9bd97d488 /usr.bin/rlogin
parentab124e78b0271ddb904b761b31e5c9a0cf24e070 (diff)
downloadFreeBSD-src-c3f352d4ad515968c54d216a0e53252eff8ab3ef.zip
FreeBSD-src-c3f352d4ad515968c54d216a0e53252eff8ab3ef.tar.gz
This commit was generated by cvs2svn to compensate for changes in r13122,
which included commits to RCS files with non-trunk default branches.
Diffstat (limited to 'usr.bin/rlogin')
-rw-r--r--usr.bin/rlogin/des_rw.c203
1 files changed, 0 insertions, 203 deletions
diff --git a/usr.bin/rlogin/des_rw.c b/usr.bin/rlogin/des_rw.c
deleted file mode 100644
index dbe47f0..0000000
--- a/usr.bin/rlogin/des_rw.c
+++ /dev/null
@@ -1,203 +0,0 @@
-/*-
- * Copyright (c) 1989, 1993
- * The Regents of the University of California. 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.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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 lint
-static char sccsid[] = "@(#)des_rw.c 8.1 (Berkeley) 6/6/93";
-#endif /* not lint */
-
-#ifdef CRYPT
-#ifdef KERBEROS
-#include <sys/param.h>
-
-#include <kerberosIV/des.h>
-#include <kerberosIV/krb.h>
-
-#include <stdlib.h>
-#include <string.h>
-#include <time.h>
-#include <unistd.h>
-
-static unsigned char des_inbuf[10240], storage[10240], *store_ptr;
-static bit_64 *key;
-static u_char *key_schedule;
-
-/* XXX these should be in a kerberos include file */
-int krb_net_read __P((int, char *, int));
-#ifdef notdef
-/* XXX too hard to make this work */
-int des_pcbc_encrypt __P((des_cblock *, des_cblock *, long,
- des_key_schedule, des_cblock *, int));
-#endif
-
-/*
- * NB: These routines will not function properly if NBIO
- * is set
- */
-
-/*
- * des_set_key
- *
- * Set des encryption/decryption key for use by the des_read and
- * des_write routines
- *
- * The inkey parameter is actually the DES initial vector,
- * and the insched is the DES Key unwrapped for faster decryption
- */
-
-void
-des_set_key(inkey, insched)
- bit_64 *inkey;
- u_char *insched;
-{
- key = inkey;
- key_schedule = insched;
-}
-
-void
-des_clear_key()
-{
- bzero((char *) key, sizeof(C_Block));
- bzero((char *) key_schedule, sizeof(Key_schedule));
-}
-
-
-int
-des_read(fd, buf, len)
- int fd;
- register char *buf;
- int len;
-{
- int nreturned = 0;
- long net_len, rd_len;
- int nstored = 0;
-
- if (nstored >= len) {
- (void) bcopy(store_ptr, buf, len);
- store_ptr += len;
- nstored -= len;
- return(len);
- } else if (nstored) {
- (void) bcopy(store_ptr, buf, nstored);
- nreturned += nstored;
- buf += nstored;
- len -= nstored;
- nstored = 0;
- }
-
- if (krb_net_read(fd, (char *)&net_len, sizeof(net_len)) !=
- sizeof(net_len)) {
- /* XXX can't read enough, pipe
- must have closed */
- return(0);
- }
- net_len = ntohl(net_len);
- if (net_len <= 0 || net_len > sizeof(des_inbuf)) {
- /* preposterous length; assume out-of-sync; only
- recourse is to close connection, so return 0 */
- return(0);
- }
- /* the writer tells us how much real data we are getting, but
- we need to read the pad bytes (8-byte boundary) */
- rd_len = roundup(net_len, 8);
- if (krb_net_read(fd, (char *)des_inbuf, rd_len) != rd_len) {
- /* pipe must have closed, return 0 */
- return(0);
- }
- (void) des_pcbc_encrypt(des_inbuf, /* inbuf */
- storage, /* outbuf */
- net_len, /* length */
- key_schedule, /* DES key */
- key, /* IV */
- DECRYPT); /* direction */
-
- if(net_len < 8)
- store_ptr = storage + 8 - net_len;
- else
- store_ptr = storage;
-
- nstored = net_len;
- if (nstored > len) {
- (void) bcopy(store_ptr, buf, len);
- nreturned += len;
- store_ptr += len;
- nstored -= len;
- } else {
- (void) bcopy(store_ptr, buf, nstored);
- nreturned += nstored;
- nstored = 0;
- }
-
- return(nreturned);
-}
-
-static unsigned char des_outbuf[10240]; /* > longest write */
-
-int
-des_write(fd, buf, len)
- int fd;
- char *buf;
- int len;
-{
- static int seeded = 0;
- static char garbage_buf[8];
- long net_len, garbage;
-
- if(len < 8) {
- if(!seeded) {
- seeded = 1;
- srandom((int) time((long *)0));
- }
- garbage = random();
- /* insert random garbage */
- (void) bcopy(&garbage, garbage_buf, MIN(sizeof(long),8));
- /* this "right-justifies" the data in the buffer */
- (void) bcopy(buf, garbage_buf + 8 - len, len);
- }
- /* pcbc_encrypt outputs in 8-byte (64 bit) increments */
-
- (void) des_pcbc_encrypt((len < 8) ? garbage_buf : buf,
- des_outbuf,
- (len < 8) ? 8 : len,
- key_schedule, /* DES key */
- key, /* IV */
- ENCRYPT);
-
- /* tell the other end the real amount, but send an 8-byte padded
- packet */
- net_len = htonl(len);
- (void) write(fd, &net_len, sizeof(net_len));
- (void) write(fd, des_outbuf, roundup(len,8));
- return(len);
-}
-#endif /* KERBEROS */
-#endif /* CRYPT */
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