Use libmd's MD5.
inline hdlc checksum calculation. make big tables const.
This commit is contained in:
Poul-Henning Kamp
parent
8ca67119ca
commit
e53374eaf4
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=13760
@ -1,12 +1,14 @@
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# $Id: Makefile,v 1.3 1995/09/02 17:20:48 amurai Exp $
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# $Id: Makefile,v 1.4 1996/01/11 17:48:33 phk Exp $
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PROG= ppp
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SRCS= async.c auth.c ccp.c chap.c chat.c command.c filter.c fsm.c hdlc.c \
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ip.c ipcp.c lcp.c lqr.c log.c main.c mbuf.c md5c.c modem.c os.c \
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ip.c ipcp.c lcp.c lqr.c log.c main.c mbuf.c modem.c os.c \
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pap.c pred.c route.c slcompress.c timer.c systems.c uucplock.c vars.c \
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vjcomp.c arp.c
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#CFLAGS+= -DHAVE_SHELL_CMD_WITH_ANY_MODE
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CFLAGS += -Wall
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LDADD += -lmd
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DPADD += ${LIBMD}
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MAN8= ppp.8
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BINMODE=4555
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BINOWN= root
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@ -17,7 +17,7 @@
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* $Id: ccp.c,v 1.4 1996/01/10 21:27:36 phk Exp $
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* $Id: ccp.c,v 1.5 1996/01/11 17:48:37 phk Exp $
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*
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* TODO:
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* o Support other compression protocols
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@ -69,7 +69,7 @@ struct fsm CcpFsm = {
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CcpDecodeConfig,
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};
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static char *cftypes[] = {
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static char const *cftypes[] = {
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/* 0 */ "OUI", "PRED1", "PRED2", "PUDDLE",
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/* 4 */ "???", "???", "???", "???",
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/* 8 */ "???", "???", "???", "???",
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@ -15,7 +15,7 @@
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* $Id:$
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* $Id: chap.h,v 1.2 1995/02/26 12:17:19 amurai Exp $
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*
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* TODO:
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*/
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@ -23,7 +23,7 @@
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#ifndef _CHAP_H_
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#define _CHAP_H_
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#include "global.h"
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#include "md5.h"
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#include <md5.h>
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#define CHAP_CHALLENGE 1
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#define CHAP_RESPONSE 2
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@ -17,7 +17,7 @@
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* $Id: command.c,v 1.12 1996/01/11 05:58:59 peter Exp $
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* $Id: command.c,v 1.13 1996/01/11 17:48:41 phk Exp $
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*
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*/
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#include <sys/types.h>
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@ -215,7 +215,7 @@ static char StrOption[] = "option ..";
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static char StrRemote[] = "[remote]";
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char StrNull[] = "";
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struct cmdtab Commands[] = {
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struct cmdtab const Commands[] = {
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{ "accept", NULL, AcceptCommand, LOCAL_AUTH,
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"accept option request", StrOption},
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{ "add", NULL, AddCommand, LOCAL_AUTH,
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@ -354,7 +354,7 @@ static int ShowRedial()
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extern int ShowIfilter(), ShowOfilter(), ShowDfilter(), ShowAfilter();
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struct cmdtab ShowCommands[] = {
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struct cmdtab const ShowCommands[] = {
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{ "afilter", NULL, ShowAfilter, LOCAL_AUTH,
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"Show keep Alive filters", StrOption},
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{ "auth", NULL, ShowAuthKey, LOCAL_AUTH,
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@ -866,7 +866,7 @@ static char StrValue[] = "value";
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extern int SetIfilter(), SetOfilter(), SetDfilter(), SetAfilter();
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struct cmdtab SetCommands[] = {
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struct cmdtab const SetCommands[] = {
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{ "accmap", NULL, SetVariable, LOCAL_AUTH,
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"Set accmap value", "hex-value", (void *)VAR_ACCMAP},
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{ "afilter", NULL, SetAfilter, LOCAL_AUTH,
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@ -17,7 +17,7 @@
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* $Id: hdlc.c,v 1.6 1996/01/10 21:27:45 phk Exp $
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* $Id: hdlc.c,v 1.7 1996/01/11 17:48:46 phk Exp $
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*
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* TODO:
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*/
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@ -60,7 +60,7 @@ struct protostat {
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{ 0, "Others" },
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};
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static u_short fcstab[256] = {
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static u_short const fcstab[256] = {
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/* 00 */ 0x0000, 0x1189, 0x2312, 0x329b, 0x4624, 0x57ad, 0x6536, 0x74bf,
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/* 08 */ 0x8c48, 0x9dc1, 0xaf5a, 0xbed3, 0xca6c, 0xdbe5, 0xe97e, 0xf8f7,
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/* 10 */ 0x1081, 0x0108, 0x3393, 0x221a, 0x56a5, 0x472c, 0x75b7, 0x643e,
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@ -107,7 +107,7 @@ HdlcInit()
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* HDLC FCS computation. Read RFC 1171 Appendix B and CCITT X.25 section
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* 2.27 for further details.
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*/
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u_short
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inline u_short
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HdlcFcs(fcs, cp, len)
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u_short fcs;
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u_char *cp;
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@ -1,38 +0,0 @@
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/*
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* MD5.H - header file for MD5C.C
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*
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* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
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* rights reserved.
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*
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* License to copy and use this software is granted provided that it
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* is identified as the "RSA Data Security, Inc. MD5 Message-Digest
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* Algorithm" in all material mentioning or referencing this software
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* or this function.
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*
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* License is also granted to make and use derivative works provided
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* that such works are identified as "derived from the RSA Data
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* Security, Inc. MD5 Message-Digest Algorithm" in all material
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* mentioning or referencing the derived work.
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*
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* RSA Data Security, Inc. makes no representations concerning either
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* the merchantability of this software or the suitability of this
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* software for any particular purpose. It is provided "as is"
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* without express or implied warranty of any kind.
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* These notices must be retained in any copies of any part of this
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* documentation and/or software.
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*
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* $Id: md5.h,v 1.1.1.1 1995/01/31 06:29:56 amurai Exp $
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*
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*/
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/* MD5 context. */
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typedef struct {
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UINT4 state[4]; /* state (ABCD) */
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UINT4 count[2]; /* number of bits, modulo 2^64 (lsb first) */
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unsigned char buffer[64]; /* input buffer */
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} MD5_CTX;
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void MD5Init PROTO_LIST ((MD5_CTX *));
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void MD5Update PROTO_LIST
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((MD5_CTX *, unsigned char *, unsigned int));
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void MD5Final PROTO_LIST ((unsigned char [16], MD5_CTX *));
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@ -1,338 +0,0 @@
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/* MD5C.C - RSA Data Security, Inc., MD5 message-digest algorithm
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*
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* $Id: md5c.c,v 1.2 1995/02/26 12:17:44 amurai Exp $
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*
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*/
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/* Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
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rights reserved.
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License to copy and use this software is granted provided that it
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is identified as the "RSA Data Security, Inc. MD5 Message-Digest
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Algorithm" in all material mentioning or referencing this software
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or this function.
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License is also granted to make and use derivative works provided
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that such works are identified as "derived from the RSA Data
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Security, Inc. MD5 Message-Digest Algorithm" in all material
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mentioning or referencing the derived work.
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RSA Data Security, Inc. makes no representations concerning either
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the merchantability of this software or the suitability of this
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software for any particular purpose. It is provided "as is"
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without express or implied warranty of any kind.
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These notices must be retained in any copies of any part of this
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documentation and/or software.
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*/
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#include "global.h"
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#include "md5.h"
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/* Constants for MD5Transform routine.
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*/
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#define S11 7
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#define S12 12
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#define S13 17
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#define S14 22
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#define S21 5
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#define S22 9
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#define S23 14
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#define S24 20
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#define S31 4
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#define S32 11
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#define S33 16
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#define S34 23
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#define S41 6
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#define S42 10
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#define S43 15
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#define S44 21
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static void MD5Transform PROTO_LIST ((UINT4 [4], unsigned char [64]));
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static void Encode PROTO_LIST
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((unsigned char *, UINT4 *, unsigned int));
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static void Decode PROTO_LIST
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((UINT4 *, unsigned char *, unsigned int));
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static void MD5_memcpy PROTO_LIST ((POINTER, POINTER, unsigned int));
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static void MD5_memset PROTO_LIST ((POINTER, int, unsigned int));
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static unsigned char PADDING[64] = {
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0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
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};
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/* F, G, H and I are basic MD5 functions.
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*/
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#define F(x, y, z) (((x) & (y)) | ((~x) & (z)))
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#define G(x, y, z) (((x) & (z)) | ((y) & (~z)))
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#define H(x, y, z) ((x) ^ (y) ^ (z))
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#define I(x, y, z) ((y) ^ ((x) | (~z)))
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/* ROTATE_LEFT rotates x left n bits.
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*/
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#define ROTATE_LEFT(x, n) (((x) << (n)) | ((x) >> (32-(n))))
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/* FF, GG, HH, and II transformations for rounds 1, 2, 3, and 4.
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Rotation is separate from addition to prevent recomputation.
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*/
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#define FF(a, b, c, d, x, s, ac) { \
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(a) += F ((b), (c), (d)) + (x) + (UINT4)(ac); \
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(a) = ROTATE_LEFT ((a), (s)); \
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(a) += (b); \
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}
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#define GG(a, b, c, d, x, s, ac) { \
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(a) += G ((b), (c), (d)) + (x) + (UINT4)(ac); \
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(a) = ROTATE_LEFT ((a), (s)); \
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(a) += (b); \
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}
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#define HH(a, b, c, d, x, s, ac) { \
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(a) += H ((b), (c), (d)) + (x) + (UINT4)(ac); \
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(a) = ROTATE_LEFT ((a), (s)); \
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(a) += (b); \
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}
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#define II(a, b, c, d, x, s, ac) { \
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(a) += I ((b), (c), (d)) + (x) + (UINT4)(ac); \
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(a) = ROTATE_LEFT ((a), (s)); \
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(a) += (b); \
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}
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/* MD5 initialization. Begins an MD5 operation, writing a new context.
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*/
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void MD5Init (context)
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MD5_CTX *context; /* context */
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{
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context->count[0] = context->count[1] = 0;
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/* Load magic initialization constants.
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*/
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context->state[0] = 0x67452301;
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context->state[1] = 0xefcdab89;
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context->state[2] = 0x98badcfe;
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context->state[3] = 0x10325476;
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}
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/* MD5 block update operation. Continues an MD5 message-digest
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operation, processing another message block, and updating the
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context.
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*/
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void MD5Update (context, input, inputLen)
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MD5_CTX *context; /* context */
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unsigned char *input; /* input block */
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unsigned int inputLen; /* length of input block */
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{
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unsigned int i, index, partLen;
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/* Compute number of bytes mod 64 */
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index = (unsigned int)((context->count[0] >> 3) & 0x3F);
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/* Update number of bits */
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if ((context->count[0] += ((UINT4)inputLen << 3))
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< ((UINT4)inputLen << 3))
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context->count[1]++;
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context->count[1] += ((UINT4)inputLen >> 29);
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partLen = 64 - index;
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/* Transform as many times as possible.
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*/
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if (inputLen >= partLen) {
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MD5_memcpy
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((POINTER)&context->buffer[index], (POINTER)input, partLen);
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MD5Transform (context->state, context->buffer);
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for (i = partLen; i + 63 < inputLen; i += 64)
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MD5Transform (context->state, &input[i]);
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index = 0;
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}
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else
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i = 0;
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/* Buffer remaining input */
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MD5_memcpy
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((POINTER)&context->buffer[index], (POINTER)&input[i],
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inputLen-i);
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}
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/* MD5 finalization. Ends an MD5 message-digest operation, writing the
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the message digest and zeroizing the context.
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*/
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void MD5Final (digest, context)
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unsigned char digest[16]; /* message digest */
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MD5_CTX *context; /* context */
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{
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unsigned char bits[8];
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unsigned int index, padLen;
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/* Save number of bits */
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Encode (bits, context->count, 8);
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/* Pad out to 56 mod 64.
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*/
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index = (unsigned int)((context->count[0] >> 3) & 0x3f);
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padLen = (index < 56) ? (56 - index) : (120 - index);
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MD5Update (context, PADDING, padLen);
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/* Append length (before padding) */
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MD5Update (context, bits, 8);
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/* Store state in digest */
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Encode (digest, context->state, 16);
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/* Zeroize sensitive information.
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*/
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MD5_memset ((POINTER)context, 0, sizeof (*context));
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}
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/* MD5 basic transformation. Transforms state based on block.
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*/
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static void MD5Transform (state, block)
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UINT4 state[4];
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unsigned char block[64];
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{
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UINT4 a = state[0], b = state[1], c = state[2], d = state[3], x[16];
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Decode (x, block, 64);
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/* Round 1 */
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FF (a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
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FF (d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
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FF (c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
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FF (b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
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FF (a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
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FF (d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
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FF (c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
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FF (b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
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FF (a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
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FF (d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
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FF (c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
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FF (b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
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FF (a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
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FF (d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
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FF (c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
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FF (b, c, d, a, x[15], S14, 0x49b40821); /* 16 */
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/* Round 2 */
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GG (a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
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GG (d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
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GG (c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
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GG (b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
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GG (a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
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GG (d, a, b, c, x[10], S22, 0x2441453); /* 22 */
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GG (c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
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GG (b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
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GG (a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
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GG (d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
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GG (c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
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GG (b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
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GG (a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
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GG (d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
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GG (c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
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GG (b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */
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/* Round 3 */
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HH (a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
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HH (d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
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HH (c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
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HH (b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
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HH (a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
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HH (d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
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HH (c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
|
||||
HH (b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
|
||||
HH (a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
|
||||
HH (d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
|
||||
HH (c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
|
||||
HH (b, c, d, a, x[ 6], S34, 0x4881d05); /* 44 */
|
||||
HH (a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
|
||||
HH (d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
|
||||
HH (c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
|
||||
HH (b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */
|
||||
|
||||
/* Round 4 */
|
||||
II (a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
|
||||
II (d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
|
||||
II (c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
|
||||
II (b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
|
||||
II (a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
|
||||
II (d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
|
||||
II (c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
|
||||
II (b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
|
||||
II (a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
|
||||
II (d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
|
||||
II (c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
|
||||
II (b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
|
||||
II (a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
|
||||
II (d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
|
||||
II (c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
|
||||
II (b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */
|
||||
|
||||
state[0] += a;
|
||||
state[1] += b;
|
||||
state[2] += c;
|
||||
state[3] += d;
|
||||
|
||||
/* Zeroize sensitive information.
|
||||
*/
|
||||
MD5_memset ((POINTER)x, 0, sizeof (x));
|
||||
}
|
||||
|
||||
/* Encodes input (UINT4) into output (unsigned char). Assumes len is
|
||||
a multiple of 4.
|
||||
*/
|
||||
static void Encode (output, input, len)
|
||||
unsigned char *output;
|
||||
UINT4 *input;
|
||||
unsigned int len;
|
||||
{
|
||||
unsigned int i, j;
|
||||
|
||||
for (i = 0, j = 0; j < len; i++, j += 4) {
|
||||
output[j] = (unsigned char)(input[i] & 0xff);
|
||||
output[j+1] = (unsigned char)((input[i] >> 8) & 0xff);
|
||||
output[j+2] = (unsigned char)((input[i] >> 16) & 0xff);
|
||||
output[j+3] = (unsigned char)((input[i] >> 24) & 0xff);
|
||||
}
|
||||
}
|
||||
|
||||
/* Decodes input (unsigned char) into output (UINT4). Assumes len is
|
||||
a multiple of 4.
|
||||
*/
|
||||
static void Decode (output, input, len)
|
||||
UINT4 *output;
|
||||
unsigned char *input;
|
||||
unsigned int len;
|
||||
{
|
||||
unsigned int i, j;
|
||||
|
||||
for (i = 0, j = 0; j < len; i++, j += 4)
|
||||
output[i] = ((UINT4)input[j]) | (((UINT4)input[j+1]) << 8) |
|
||||
(((UINT4)input[j+2]) << 16) | (((UINT4)input[j+3]) << 24);
|
||||
}
|
||||
|
||||
/* Note: Replace "for loop" with standard memcpy if possible.
|
||||
*/
|
||||
|
||||
static void MD5_memcpy (output, input, len)
|
||||
POINTER output;
|
||||
POINTER input;
|
||||
unsigned int len;
|
||||
{
|
||||
unsigned int i;
|
||||
|
||||
for (i = 0; i < len; i++)
|
||||
output[i] = input[i];
|
||||
}
|
||||
|
||||
/* Note: Replace "for loop" with standard memset if possible.
|
||||
*/
|
||||
static void MD5_memset (output, value, len)
|
||||
POINTER output;
|
||||
int value;
|
||||
unsigned int len;
|
||||
{
|
||||
unsigned int i;
|
||||
|
||||
for (i = 0; i < len; i++)
|
||||
((char *)output)[i] = (char)value;
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user