TCPSpeedTest - I have a problem getting this to work. Server onl…

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Jesper Taxbøl / Mbed 2 deprecated TCPSpeedTest

I have a problem getting this to work. Server only recieves half of the data being sent. Whats wrong

lwip/netif/ppp/chpms.c@0:66300c77c6e9, 2011-03-29 (annotated)

Committer:: tax
Date:: Tue Mar 29 13:20:15 2011 +0000
Revision:: 0:66300c77c6e9

Who changed what in which revision?

User	Revision	Line number	New contents of line
tax	0:66300c77c6e9	1	/* WARNING - THIS CODE HAS NOT BEEN FINISHED! */
tax	0:66300c77c6e9	2	/*** The original PPPD code is written in a way to require either the UNIX DES
tax	0:66300c77c6e9	3	encryption functions encrypt(3) and setkey(3) or the DES library libdes.
tax	0:66300c77c6e9	4	Since both is not included in lwIP, MSCHAP currently does not work! */
tax	0:66300c77c6e9	5	/*****************************************************************************
tax	0:66300c77c6e9	6	* chpms.c - Network MicroSoft Challenge Handshake Authentication Protocol program file.
tax	0:66300c77c6e9	7	*
tax	0:66300c77c6e9	8	* Copyright (c) 2003 by Marc Boucher, Services Informatiques (MBSI) inc.
tax	0:66300c77c6e9	9	* Copyright (c) 1997 by Global Election Systems Inc. All rights reserved.
tax	0:66300c77c6e9	10	*
tax	0:66300c77c6e9	11	* The authors hereby grant permission to use, copy, modify, distribute,
tax	0:66300c77c6e9	12	* and license this software and its documentation for any purpose, provided
tax	0:66300c77c6e9	13	* that existing copyright notices are retained in all copies and that this
tax	0:66300c77c6e9	14	* notice and the following disclaimer are included verbatim in any
tax	0:66300c77c6e9	15	* distributions. No written agreement, license, or royalty fee is required
tax	0:66300c77c6e9	16	* for any of the authorized uses.
tax	0:66300c77c6e9	17	*
tax	0:66300c77c6e9	18	* THIS SOFTWARE IS PROVIDED BY THE CONTRIBUTORS AS IS AND ANY EXPRESS OR
tax	0:66300c77c6e9	19	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
tax	0:66300c77c6e9	20	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
tax	0:66300c77c6e9	21	* IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
tax	0:66300c77c6e9	22	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
tax	0:66300c77c6e9	23	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
tax	0:66300c77c6e9	24	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
tax	0:66300c77c6e9	25	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
tax	0:66300c77c6e9	26	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
tax	0:66300c77c6e9	27	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
tax	0:66300c77c6e9	28	*
tax	0:66300c77c6e9	29	******************************************************************************
tax	0:66300c77c6e9	30	* REVISION HISTORY
tax	0:66300c77c6e9	31	*
tax	0:66300c77c6e9	32	* 03-01-01 Marc Boucher <marc@mbsi.ca>
tax	0:66300c77c6e9	33	* Ported to lwIP.
tax	0:66300c77c6e9	34	* 97-12-08 Guy Lancaster <lancasterg@acm.org>, Global Election Systems Inc.
tax	0:66300c77c6e9	35	* Original based on BSD chap_ms.c.
tax	0:66300c77c6e9	36	*****************************************************************************/
tax	0:66300c77c6e9	37	/*
tax	0:66300c77c6e9	38	* chap_ms.c - Microsoft MS-CHAP compatible implementation.
tax	0:66300c77c6e9	39	*
tax	0:66300c77c6e9	40	* Copyright (c) 1995 Eric Rosenquist, Strata Software Limited.
tax	0:66300c77c6e9	41	* http://www.strataware.com/
tax	0:66300c77c6e9	42	*
tax	0:66300c77c6e9	43	* All rights reserved.
tax	0:66300c77c6e9	44	*
tax	0:66300c77c6e9	45	* Redistribution and use in source and binary forms are permitted
tax	0:66300c77c6e9	46	* provided that the above copyright notice and this paragraph are
tax	0:66300c77c6e9	47	* duplicated in all such forms and that any documentation,
tax	0:66300c77c6e9	48	* advertising materials, and other materials related to such
tax	0:66300c77c6e9	49	* distribution and use acknowledge that the software was developed
tax	0:66300c77c6e9	50	* by Eric Rosenquist. The name of the author may not be used to
tax	0:66300c77c6e9	51	* endorse or promote products derived from this software without
tax	0:66300c77c6e9	52	* specific prior written permission.
tax	0:66300c77c6e9	53	*
tax	0:66300c77c6e9	54	* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
tax	0:66300c77c6e9	55	* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
tax	0:66300c77c6e9	56	* WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
tax	0:66300c77c6e9	57	*/
tax	0:66300c77c6e9	58
tax	0:66300c77c6e9	59	/*
tax	0:66300c77c6e9	60	* Modifications by Lauri Pesonen / lpesonen@clinet.fi, april 1997
tax	0:66300c77c6e9	61	*
tax	0:66300c77c6e9	62	* Implemented LANManager type password response to MS-CHAP challenges.
tax	0:66300c77c6e9	63	* Now pppd provides both NT style and LANMan style blocks, and the
tax	0:66300c77c6e9	64	* prefered is set by option "ms-lanman". Default is to use NT.
tax	0:66300c77c6e9	65	* The hash text (StdText) was taken from Win95 RASAPI32.DLL.
tax	0:66300c77c6e9	66	*
tax	0:66300c77c6e9	67	* You should also use DOMAIN\\USERNAME as described in README.MSCHAP80
tax	0:66300c77c6e9	68	*/
tax	0:66300c77c6e9	69
tax	0:66300c77c6e9	70	#define USE_CRYPT
tax	0:66300c77c6e9	71
tax	0:66300c77c6e9	72	#include "lwip/opt.h"
tax	0:66300c77c6e9	73
tax	0:66300c77c6e9	74	#if PPP_SUPPORT /* don't build if not configured for use in lwipopts.h */
tax	0:66300c77c6e9	75
tax	0:66300c77c6e9	76	#if MSCHAP_SUPPORT /* don't build if not configured for use in lwipopts.h */
tax	0:66300c77c6e9	77
tax	0:66300c77c6e9	78	#include "ppp.h"
tax	0:66300c77c6e9	79	#include "pppdebug.h"
tax	0:66300c77c6e9	80
tax	0:66300c77c6e9	81	#include "md4.h"
tax	0:66300c77c6e9	82	#ifndef USE_CRYPT
tax	0:66300c77c6e9	83	#include "des.h"
tax	0:66300c77c6e9	84	#endif
tax	0:66300c77c6e9	85	#include "chap.h"
tax	0:66300c77c6e9	86	#include "chpms.h"
tax	0:66300c77c6e9	87
tax	0:66300c77c6e9	88	#include <string.h>
tax	0:66300c77c6e9	89
tax	0:66300c77c6e9	90
tax	0:66300c77c6e9	91	/*************************/
tax	0:66300c77c6e9	92	/* LOCAL DEFINITIONS */
tax	0:66300c77c6e9	93	/*************************/
tax	0:66300c77c6e9	94
tax	0:66300c77c6e9	95
tax	0:66300c77c6e9	96	/************************/
tax	0:66300c77c6e9	97	/* LOCAL DATA TYPES */
tax	0:66300c77c6e9	98	/************************/
tax	0:66300c77c6e9	99	typedef struct {
tax	0:66300c77c6e9	100	u_char LANManResp[24];
tax	0:66300c77c6e9	101	u_char NTResp[24];
tax	0:66300c77c6e9	102	u_char UseNT; /* If 1, ignore the LANMan response field */
tax	0:66300c77c6e9	103	} MS_ChapResponse;
tax	0:66300c77c6e9	104	/* We use MS_CHAP_RESPONSE_LEN, rather than sizeof(MS_ChapResponse),
tax	0:66300c77c6e9	105	in case this struct gets padded. */
tax	0:66300c77c6e9	106
tax	0:66300c77c6e9	107
tax	0:66300c77c6e9	108
tax	0:66300c77c6e9	109	/***********************************/
tax	0:66300c77c6e9	110	/* LOCAL FUNCTION DECLARATIONS */
tax	0:66300c77c6e9	111	/***********************************/
tax	0:66300c77c6e9	112
tax	0:66300c77c6e9	113	/* XXX Don't know what to do with these. */
tax	0:66300c77c6e9	114	extern void setkey(const char *);
tax	0:66300c77c6e9	115	extern void encrypt(char *, int);
tax	0:66300c77c6e9	116
tax	0:66300c77c6e9	117	static void DesEncrypt (u_char , u_char , u_char *);
tax	0:66300c77c6e9	118	static void MakeKey (u_char , u_char );
tax	0:66300c77c6e9	119
tax	0:66300c77c6e9	120	#ifdef USE_CRYPT
tax	0:66300c77c6e9	121	static void Expand (u_char , u_char );
tax	0:66300c77c6e9	122	static void Collapse (u_char , u_char );
tax	0:66300c77c6e9	123	#endif
tax	0:66300c77c6e9	124
tax	0:66300c77c6e9	125	static void ChallengeResponse(
tax	0:66300c77c6e9	126	u_char challenge, / IN 8 octets */
tax	0:66300c77c6e9	127	u_char pwHash, / IN 16 octets */
tax	0:66300c77c6e9	128	u_char response / OUT 24 octets */
tax	0:66300c77c6e9	129	);
tax	0:66300c77c6e9	130	static void ChapMS_NT(
tax	0:66300c77c6e9	131	char *rchallenge,
tax	0:66300c77c6e9	132	int rchallenge_len,
tax	0:66300c77c6e9	133	char *secret,
tax	0:66300c77c6e9	134	int secret_len,
tax	0:66300c77c6e9	135	MS_ChapResponse *response
tax	0:66300c77c6e9	136	);
tax	0:66300c77c6e9	137	static u_char Get7Bits(
tax	0:66300c77c6e9	138	u_char *input,
tax	0:66300c77c6e9	139	int startBit
tax	0:66300c77c6e9	140	);
tax	0:66300c77c6e9	141
tax	0:66300c77c6e9	142	static void
tax	0:66300c77c6e9	143	ChallengeResponse( u_char challenge, / IN 8 octets */
tax	0:66300c77c6e9	144	u_char pwHash, / IN 16 octets */
tax	0:66300c77c6e9	145	u_char response / OUT 24 octets */)
tax	0:66300c77c6e9	146	{
tax	0:66300c77c6e9	147	u_char ZPasswordHash[21];
tax	0:66300c77c6e9	148
tax	0:66300c77c6e9	149	BZERO(ZPasswordHash, sizeof(ZPasswordHash));
tax	0:66300c77c6e9	150	BCOPY(pwHash, ZPasswordHash, 16);
tax	0:66300c77c6e9	151
tax	0:66300c77c6e9	152	#if 0
tax	0:66300c77c6e9	153	log_packet(ZPasswordHash, sizeof(ZPasswordHash), "ChallengeResponse - ZPasswordHash", LOG_DEBUG);
tax	0:66300c77c6e9	154	#endif
tax	0:66300c77c6e9	155
tax	0:66300c77c6e9	156	DesEncrypt(challenge, ZPasswordHash + 0, response + 0);
tax	0:66300c77c6e9	157	DesEncrypt(challenge, ZPasswordHash + 7, response + 8);
tax	0:66300c77c6e9	158	DesEncrypt(challenge, ZPasswordHash + 14, response + 16);
tax	0:66300c77c6e9	159
tax	0:66300c77c6e9	160	#if 0
tax	0:66300c77c6e9	161	log_packet(response, 24, "ChallengeResponse - response", LOG_DEBUG);
tax	0:66300c77c6e9	162	#endif
tax	0:66300c77c6e9	163	}
tax	0:66300c77c6e9	164
tax	0:66300c77c6e9	165
tax	0:66300c77c6e9	166	#ifdef USE_CRYPT
tax	0:66300c77c6e9	167	static void
tax	0:66300c77c6e9	168	DesEncrypt( u_char clear, / IN 8 octets */
tax	0:66300c77c6e9	169	u_char key, / IN 7 octets */
tax	0:66300c77c6e9	170	u_char cipher / OUT 8 octets */)
tax	0:66300c77c6e9	171	{
tax	0:66300c77c6e9	172	u_char des_key[8];
tax	0:66300c77c6e9	173	u_char crypt_key[66];
tax	0:66300c77c6e9	174	u_char des_input[66];
tax	0:66300c77c6e9	175
tax	0:66300c77c6e9	176	MakeKey(key, des_key);
tax	0:66300c77c6e9	177
tax	0:66300c77c6e9	178	Expand(des_key, crypt_key);
tax	0:66300c77c6e9	179	setkey((char*)crypt_key);
tax	0:66300c77c6e9	180
tax	0:66300c77c6e9	181	#if 0
tax	0:66300c77c6e9	182	CHAPDEBUG(LOG_INFO, ("DesEncrypt: 8 octet input : %02X%02X%02X%02X%02X%02X%02X%02X\n",
tax	0:66300c77c6e9	183	clear[0], clear[1], clear[2], clear[3], clear[4], clear[5], clear[6], clear[7]));
tax	0:66300c77c6e9	184	#endif
tax	0:66300c77c6e9	185
tax	0:66300c77c6e9	186	Expand(clear, des_input);
tax	0:66300c77c6e9	187	encrypt((char*)des_input, 0);
tax	0:66300c77c6e9	188	Collapse(des_input, cipher);
tax	0:66300c77c6e9	189
tax	0:66300c77c6e9	190	#if 0
tax	0:66300c77c6e9	191	CHAPDEBUG(LOG_INFO, ("DesEncrypt: 8 octet output: %02X%02X%02X%02X%02X%02X%02X%02X\n",
tax	0:66300c77c6e9	192	cipher[0], cipher[1], cipher[2], cipher[3], cipher[4], cipher[5], cipher[6], cipher[7]));
tax	0:66300c77c6e9	193	#endif
tax	0:66300c77c6e9	194	}
tax	0:66300c77c6e9	195
tax	0:66300c77c6e9	196	#else /* USE_CRYPT */
tax	0:66300c77c6e9	197
tax	0:66300c77c6e9	198	static void
tax	0:66300c77c6e9	199	DesEncrypt( u_char clear, / IN 8 octets */
tax	0:66300c77c6e9	200	u_char key, / IN 7 octets */
tax	0:66300c77c6e9	201	u_char cipher / OUT 8 octets */)
tax	0:66300c77c6e9	202	{
tax	0:66300c77c6e9	203	des_cblock des_key;
tax	0:66300c77c6e9	204	des_key_schedule key_schedule;
tax	0:66300c77c6e9	205
tax	0:66300c77c6e9	206	MakeKey(key, des_key);
tax	0:66300c77c6e9	207
tax	0:66300c77c6e9	208	des_set_key(&des_key, key_schedule);
tax	0:66300c77c6e9	209
tax	0:66300c77c6e9	210	#if 0
tax	0:66300c77c6e9	211	CHAPDEBUG(LOG_INFO, ("DesEncrypt: 8 octet input : %02X%02X%02X%02X%02X%02X%02X%02X\n",
tax	0:66300c77c6e9	212	clear[0], clear[1], clear[2], clear[3], clear[4], clear[5], clear[6], clear[7]));
tax	0:66300c77c6e9	213	#endif
tax	0:66300c77c6e9	214
tax	0:66300c77c6e9	215	des_ecb_encrypt((des_cblock )clear, (des_cblock )cipher, key_schedule, 1);
tax	0:66300c77c6e9	216
tax	0:66300c77c6e9	217	#if 0
tax	0:66300c77c6e9	218	CHAPDEBUG(LOG_INFO, ("DesEncrypt: 8 octet output: %02X%02X%02X%02X%02X%02X%02X%02X\n",
tax	0:66300c77c6e9	219	cipher[0], cipher[1], cipher[2], cipher[3], cipher[4], cipher[5], cipher[6], cipher[7]));
tax	0:66300c77c6e9	220	#endif
tax	0:66300c77c6e9	221	}
tax	0:66300c77c6e9	222
tax	0:66300c77c6e9	223	#endif /* USE_CRYPT */
tax	0:66300c77c6e9	224
tax	0:66300c77c6e9	225
tax	0:66300c77c6e9	226	static u_char
tax	0:66300c77c6e9	227	Get7Bits( u_char *input, int startBit)
tax	0:66300c77c6e9	228	{
tax	0:66300c77c6e9	229	register unsigned int word;
tax	0:66300c77c6e9	230
tax	0:66300c77c6e9	231	word = (unsigned)input[startBit / 8] << 8;
tax	0:66300c77c6e9	232	word \|= (unsigned)input[startBit / 8 + 1];
tax	0:66300c77c6e9	233
tax	0:66300c77c6e9	234	word >>= 15 - (startBit % 8 + 7);
tax	0:66300c77c6e9	235
tax	0:66300c77c6e9	236	return word & 0xFE;
tax	0:66300c77c6e9	237	}
tax	0:66300c77c6e9	238
tax	0:66300c77c6e9	239	#ifdef USE_CRYPT
tax	0:66300c77c6e9	240
tax	0:66300c77c6e9	241	/* in == 8-byte string (expanded version of the 56-bit key)
tax	0:66300c77c6e9	242	* out == 64-byte string where each byte is either 1 or 0
tax	0:66300c77c6e9	243	* Note that the low-order "bit" is always ignored by by setkey()
tax	0:66300c77c6e9	244	*/
tax	0:66300c77c6e9	245	static void
tax	0:66300c77c6e9	246	Expand(u_char in, u_char out)
tax	0:66300c77c6e9	247	{
tax	0:66300c77c6e9	248	int j, c;
tax	0:66300c77c6e9	249	int i;
tax	0:66300c77c6e9	250
tax	0:66300c77c6e9	251	for(i = 0; i < 64; in++){
tax	0:66300c77c6e9	252	c = *in;
tax	0:66300c77c6e9	253	for(j = 7; j >= 0; j--) {
tax	0:66300c77c6e9	254	*out++ = (c >> j) & 01;
tax	0:66300c77c6e9	255	}
tax	0:66300c77c6e9	256	i += 8;
tax	0:66300c77c6e9	257	}
tax	0:66300c77c6e9	258	}
tax	0:66300c77c6e9	259
tax	0:66300c77c6e9	260	/* The inverse of Expand
tax	0:66300c77c6e9	261	*/
tax	0:66300c77c6e9	262	static void
tax	0:66300c77c6e9	263	Collapse(u_char in, u_char out)
tax	0:66300c77c6e9	264	{
tax	0:66300c77c6e9	265	int j;
tax	0:66300c77c6e9	266	int i;
tax	0:66300c77c6e9	267	unsigned int c;
tax	0:66300c77c6e9	268
tax	0:66300c77c6e9	269	for (i = 0; i < 64; i += 8, out++) {
tax	0:66300c77c6e9	270	c = 0;
tax	0:66300c77c6e9	271	for (j = 7; j >= 0; j--, in++) {
tax	0:66300c77c6e9	272	c \|= *in << j;
tax	0:66300c77c6e9	273	}
tax	0:66300c77c6e9	274	*out = c & 0xff;
tax	0:66300c77c6e9	275	}
tax	0:66300c77c6e9	276	}
tax	0:66300c77c6e9	277	#endif
tax	0:66300c77c6e9	278
tax	0:66300c77c6e9	279	static void
tax	0:66300c77c6e9	280	MakeKey( u_char key, / IN 56 bit DES key missing parity bits */
tax	0:66300c77c6e9	281	u_char des_key / OUT 64 bit DES key with parity bits added */)
tax	0:66300c77c6e9	282	{
tax	0:66300c77c6e9	283	des_key[0] = Get7Bits(key, 0);
tax	0:66300c77c6e9	284	des_key[1] = Get7Bits(key, 7);
tax	0:66300c77c6e9	285	des_key[2] = Get7Bits(key, 14);
tax	0:66300c77c6e9	286	des_key[3] = Get7Bits(key, 21);
tax	0:66300c77c6e9	287	des_key[4] = Get7Bits(key, 28);
tax	0:66300c77c6e9	288	des_key[5] = Get7Bits(key, 35);
tax	0:66300c77c6e9	289	des_key[6] = Get7Bits(key, 42);
tax	0:66300c77c6e9	290	des_key[7] = Get7Bits(key, 49);
tax	0:66300c77c6e9	291
tax	0:66300c77c6e9	292	#ifndef USE_CRYPT
tax	0:66300c77c6e9	293	des_set_odd_parity((des_cblock *)des_key);
tax	0:66300c77c6e9	294	#endif
tax	0:66300c77c6e9	295
tax	0:66300c77c6e9	296	#if 0
tax	0:66300c77c6e9	297	CHAPDEBUG(LOG_INFO, ("MakeKey: 56-bit input : %02X%02X%02X%02X%02X%02X%02X\n",
tax	0:66300c77c6e9	298	key[0], key[1], key[2], key[3], key[4], key[5], key[6]));
tax	0:66300c77c6e9	299	CHAPDEBUG(LOG_INFO, ("MakeKey: 64-bit output: %02X%02X%02X%02X%02X%02X%02X%02X\n",
tax	0:66300c77c6e9	300	des_key[0], des_key[1], des_key[2], des_key[3], des_key[4], des_key[5], des_key[6], des_key[7]));
tax	0:66300c77c6e9	301	#endif
tax	0:66300c77c6e9	302	}
tax	0:66300c77c6e9	303
tax	0:66300c77c6e9	304	static void
tax	0:66300c77c6e9	305	ChapMS_NT( char *rchallenge,
tax	0:66300c77c6e9	306	int rchallenge_len,
tax	0:66300c77c6e9	307	char *secret,
tax	0:66300c77c6e9	308	int secret_len,
tax	0:66300c77c6e9	309	MS_ChapResponse *response)
tax	0:66300c77c6e9	310	{
tax	0:66300c77c6e9	311	int i;
tax	0:66300c77c6e9	312	MDstruct md4Context;
tax	0:66300c77c6e9	313	u_char unicodePassword[MAX_NT_PASSWORD * 2];
tax	0:66300c77c6e9	314	static int low_byte_first = -1;
tax	0:66300c77c6e9	315
tax	0:66300c77c6e9	316	LWIP_UNUSED_ARG(rchallenge_len);
tax	0:66300c77c6e9	317
tax	0:66300c77c6e9	318	/* Initialize the Unicode version of the secret (== password). */
tax	0:66300c77c6e9	319	/* This implicitly supports 8-bit ISO8859/1 characters. */
tax	0:66300c77c6e9	320	BZERO(unicodePassword, sizeof(unicodePassword));
tax	0:66300c77c6e9	321	for (i = 0; i < secret_len; i++) {
tax	0:66300c77c6e9	322	unicodePassword[i * 2] = (u_char)secret[i];
tax	0:66300c77c6e9	323	}
tax	0:66300c77c6e9	324	MDbegin(&md4Context);
tax	0:66300c77c6e9	325	MDupdate(&md4Context, unicodePassword, secret_len * 2 * 8); /* Unicode is 2 bytes/char, 8 for bit count /
tax	0:66300c77c6e9	326
tax	0:66300c77c6e9	327	if (low_byte_first == -1) {
tax	0:66300c77c6e9	328	low_byte_first = (PP_HTONS((unsigned short int)1) != 1);
tax	0:66300c77c6e9	329	}
tax	0:66300c77c6e9	330	if (low_byte_first == 0) {
tax	0:66300c77c6e9	331	/* @todo: arg type - u_long* or u_int* ? */
tax	0:66300c77c6e9	332	MDreverse((unsigned int)&md4Context); / sfb 961105 */
tax	0:66300c77c6e9	333	}
tax	0:66300c77c6e9	334
tax	0:66300c77c6e9	335	MDupdate(&md4Context, NULL, 0); /* Tell MD4 we're done */
tax	0:66300c77c6e9	336
tax	0:66300c77c6e9	337	ChallengeResponse((u_char)rchallenge, (u_char)md4Context.buffer, response->NTResp);
tax	0:66300c77c6e9	338	}
tax	0:66300c77c6e9	339
tax	0:66300c77c6e9	340	#ifdef MSLANMAN
tax	0:66300c77c6e9	341	static u_char StdText = (u_char )"KGS!@#$%"; /* key from rasapi32.dll */
tax	0:66300c77c6e9	342
tax	0:66300c77c6e9	343	static void
tax	0:66300c77c6e9	344	ChapMS_LANMan( char *rchallenge,
tax	0:66300c77c6e9	345	int rchallenge_len,
tax	0:66300c77c6e9	346	char *secret,
tax	0:66300c77c6e9	347	int secret_len,
tax	0:66300c77c6e9	348	MS_ChapResponse *response)
tax	0:66300c77c6e9	349	{
tax	0:66300c77c6e9	350	int i;
tax	0:66300c77c6e9	351	u_char UcasePassword[MAX_NT_PASSWORD]; /* max is actually 14 */
tax	0:66300c77c6e9	352	u_char PasswordHash[16];
tax	0:66300c77c6e9	353
tax	0:66300c77c6e9	354	/* LANMan password is case insensitive */
tax	0:66300c77c6e9	355	BZERO(UcasePassword, sizeof(UcasePassword));
tax	0:66300c77c6e9	356	for (i = 0; i < secret_len; i++) {
tax	0:66300c77c6e9	357	UcasePassword[i] = (u_char)toupper(secret[i]);
tax	0:66300c77c6e9	358	}
tax	0:66300c77c6e9	359	DesEncrypt( StdText, UcasePassword + 0, PasswordHash + 0 );
tax	0:66300c77c6e9	360	DesEncrypt( StdText, UcasePassword + 7, PasswordHash + 8 );
tax	0:66300c77c6e9	361	ChallengeResponse(rchallenge, PasswordHash, response->LANManResp);
tax	0:66300c77c6e9	362	}
tax	0:66300c77c6e9	363	#endif
tax	0:66300c77c6e9	364
tax	0:66300c77c6e9	365	void
tax	0:66300c77c6e9	366	ChapMS( chap_state cstate, char rchallenge, int rchallenge_len, char *secret, int secret_len)
tax	0:66300c77c6e9	367	{
tax	0:66300c77c6e9	368	MS_ChapResponse response;
tax	0:66300c77c6e9	369	#ifdef MSLANMAN
tax	0:66300c77c6e9	370	extern int ms_lanman;
tax	0:66300c77c6e9	371	#endif
tax	0:66300c77c6e9	372
tax	0:66300c77c6e9	373	#if 0
tax	0:66300c77c6e9	374	CHAPDEBUG(LOG_INFO, ("ChapMS: secret is '%.*s'\n", secret_len, secret));
tax	0:66300c77c6e9	375	#endif
tax	0:66300c77c6e9	376	BZERO(&response, sizeof(response));
tax	0:66300c77c6e9	377
tax	0:66300c77c6e9	378	/* Calculate both always */
tax	0:66300c77c6e9	379	ChapMS_NT(rchallenge, rchallenge_len, secret, secret_len, &response);
tax	0:66300c77c6e9	380
tax	0:66300c77c6e9	381	#ifdef MSLANMAN
tax	0:66300c77c6e9	382	ChapMS_LANMan(rchallenge, rchallenge_len, secret, secret_len, &response);
tax	0:66300c77c6e9	383
tax	0:66300c77c6e9	384	/* prefered method is set by option */
tax	0:66300c77c6e9	385	response.UseNT = !ms_lanman;
tax	0:66300c77c6e9	386	#else
tax	0:66300c77c6e9	387	response.UseNT = 1;
tax	0:66300c77c6e9	388	#endif
tax	0:66300c77c6e9	389
tax	0:66300c77c6e9	390	BCOPY(&response, cstate->response, MS_CHAP_RESPONSE_LEN);
tax	0:66300c77c6e9	391	cstate->resp_length = MS_CHAP_RESPONSE_LEN;
tax	0:66300c77c6e9	392	}
tax	0:66300c77c6e9	393
tax	0:66300c77c6e9	394	#endif /* MSCHAP_SUPPORT */
tax	0:66300c77c6e9	395
tax	0:66300c77c6e9	396	#endif /* PPP_SUPPORT */

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Type:	Program
Mbed OS support:	Mbed 2 deprecated
Created:	29 Mar 2011
Imports:	16
Forks:	0
Commits:	1
Dependents:	0
Dependencies:	1
Followers:	2

lwip/netif/ppp/chpms.c@0:66300c77c6e9, 2011-03-29 (annotated)

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