Temporarily move these to the Attic so that there's no confusion over

mixed up versions.  Also, these were imported onto the 1.1.2 branch
(since the last one was imported there, sigh) and that causes cvsup in
checkout mode some problems (there isn't any 1.1.1 branch at all!!).

7 files changed, 0 insertions, 2648 deletions

diff --git a/usr.sbin/pppd/cbcp.c b/usr.sbin/pppd/cbcp.c
deleted file mode 100644
index c9ef089..0000000
--- a/usr.sbin/pppd/cbcp.c
+++ /dev/null
@@ -1,430 +0,0 @@
-/*
- * cbcp - Call Back Configuration Protocol.
- *
- * Copyright (c) 1995 Pedro Roque Marques
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by Pedro Roque Marques.  The name of the author may not be used to
- * endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-#ifndef lint
-static char rcsid[] = "$Id: cbcp.c,v 1.2 1997/04/30 05:50:26 paulus Exp $";
-#endif
-
-#include <stdio.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/time.h>
-#include <syslog.h>
-
-#include "pppd.h"
-#include "cbcp.h"
-#include "fsm.h"
-#include "lcp.h"
-#include "ipcp.h"
-
-/*
- * Protocol entry points.
- */
-static void cbcp_init      __P((int unit));
-static void cbcp_open      __P((int unit));
-static void cbcp_lowerup   __P((int unit));
-static void cbcp_input     __P((int unit, u_char *pkt, int len));
-static void cbcp_protrej   __P((int unit));
-static int  cbcp_printpkt  __P((u_char *pkt, int len,
-				void (*printer) __P((void *, char *, ...)),
-				void *arg));
-
-struct protent cbcp_protent = {
-    PPP_CBCP,
-    cbcp_init,
-    cbcp_input,
-    cbcp_protrej,
-    cbcp_lowerup,
-    NULL,
-    cbcp_open,
-    NULL,
-    cbcp_printpkt,
-    NULL,
-    0,
-    "CBCP",
-    NULL,
-    NULL,
-    NULL
-};
-
-cbcp_state cbcp[NUM_PPP];	
-
-/* internal prototypes */
-
-static void cbcp_recvreq __P((cbcp_state *us, char *pckt, int len));
-static void cbcp_resp __P((cbcp_state *us));
-static void cbcp_up __P((cbcp_state *us));
-static void cbcp_recvack __P((cbcp_state *us, char *pckt, int len));
-static void cbcp_send __P((cbcp_state *us, u_char code, u_char *buf, int len));
-
-/* init state */
-static void
-cbcp_init(iface)
-    int iface;
-{
-    cbcp_state *us;
-
-    us = &cbcp[iface];
-    memset(us, 0, sizeof(cbcp_state));
-    us->us_unit = iface;
-    us->us_type |= (1 << CB_CONF_NO);
-}
-
-/* lower layer is up */
-static void
-cbcp_lowerup(iface)
-    int iface;
-{
-    cbcp_state *us = &cbcp[iface];
-
-    syslog(LOG_DEBUG, "cbcp_lowerup");
-    syslog(LOG_DEBUG, "want: %d", us->us_type);
-
-    if (us->us_type == CB_CONF_USER)
-        syslog(LOG_DEBUG, "phone no: %s", us->us_number);
-}
-
-static void
-cbcp_open(unit)
-    int unit;
-{
-    syslog(LOG_DEBUG, "cbcp_open");
-}
-
-/* process an incomming packet */
-static void
-cbcp_input(unit, inpacket, pktlen)
-    int unit;
-    u_char *inpacket;
-    int pktlen;
-{
-    u_char *inp;
-    u_char code, id;
-    u_short len;
-
-    cbcp_state *us = &cbcp[unit];
-
-    inp = inpacket;
-
-    if (pktlen < CBCP_MINLEN) {
-        syslog(LOG_ERR, "CBCP packet is too small");
-	return;
-    }
-
-    GETCHAR(code, inp);
-    GETCHAR(id, inp);
-    GETSHORT(len, inp);
-
-#if 0
-    if (len > pktlen) {
-        syslog(LOG_ERR, "CBCP packet: invalid length");
-        return;
-    }
-#endif
-
-    len -= CBCP_MINLEN;
- 
-    switch(code) {
-    case CBCP_REQ:
-        us->us_id = id;
-	cbcp_recvreq(us, inp, len);
-	break;
-
-    case CBCP_RESP:
-	syslog(LOG_DEBUG, "CBCP_RESP received");
-	break;
-
-    case CBCP_ACK:
-	if (id != us->us_id)
-	    syslog(LOG_DEBUG, "id doesn't match: expected %d recv %d",
-		   us->us_id, id);
-
-	cbcp_recvack(us, inp, len);
-	break;
-
-    default:
-	break;
-    }
-}
-
-/* protocol was rejected by foe */
-void cbcp_protrej(int iface)
-{
-}
-
-char *cbcp_codenames[] = {
-    "Request", "Response", "Ack"
-};
-
-char *cbcp_optionnames[] = {
-    "NoCallback",
-    "UserDefined",
-    "AdminDefined",
-    "List"
-};
-
-/* pretty print a packet */
-static int
-cbcp_printpkt(p, plen, printer, arg)
-    u_char *p;
-    int plen;
-    void (*printer) __P((void *, char *, ...));
-    void *arg;
-{
-    int code, opt, id, len, olen, delay;
-    u_char *pstart;
-
-    if (plen < HEADERLEN)
-	return 0;
-    pstart = p;
-    GETCHAR(code, p);
-    GETCHAR(id, p);
-    GETSHORT(len, p);
-    if (len < HEADERLEN || len > plen)
-	return 0;
-
-    if (code >= 1 && code <= sizeof(cbcp_codenames) / sizeof(char *))
-	printer(arg, " %s", cbcp_codenames[code-1]);
-    else
-	printer(arg, " code=0x%x", code); 
-
-    printer(arg, " id=0x%x", id);
-    len -= HEADERLEN;
-
-    switch (code) {
-    case CBCP_REQ:
-    case CBCP_RESP:
-    case CBCP_ACK:
-        while(len >= 2) {
-	    GETCHAR(opt, p);
-	    GETCHAR(olen, p);
-
-	    if (olen < 2 || olen > len) {
-	        break;
-	    }
-
-	    printer(arg, " <");
-	    len -= olen;
-
-	    if (opt >= 1 && opt <= sizeof(cbcp_optionnames) / sizeof(char *))
-	    	printer(arg, " %s", cbcp_optionnames[opt-1]);
-	    else
-	        printer(arg, " option=0x%x", opt); 
-
-	    if (olen > 2) {
-	        GETCHAR(delay, p);
-		printer(arg, " delay = %d", delay);
-	    }
-
-	    if (olen > 3) {
-	        int addrt;
-		char str[256];
-
-		GETCHAR(addrt, p);
-		memcpy(str, p, olen - 4);
-		str[olen - 4] = 0;
-		printer(arg, " number = %s", str);
-	    }
-	    printer(arg, ">");
-	    break;
-	}
-
-    default:
-	break;
-    }
-
-    for (; len > 0; --len) {
-	GETCHAR(code, p);
-	printer(arg, " %.2x", code);
-    }
-
-    return p - pstart;
-}
-
-/* received CBCP request */
-static void
-cbcp_recvreq(us, pckt, pcktlen)
-    cbcp_state *us;
-    char *pckt;
-    int pcktlen;
-{
-    u_char type, opt_len, delay, addr_type;
-    char address[256];
-    int len = pcktlen;
-
-    address[0] = 0;
-
-    while (len) {
-        syslog(LOG_DEBUG, "length: %d", len);
-
-	GETCHAR(type, pckt);
-	GETCHAR(opt_len, pckt);
-
-	if (opt_len > 2)
-	    GETCHAR(delay, pckt);
-
-	us->us_allowed |= (1 << type);
-
-	switch(type) {
-	case CB_CONF_NO:
-	    syslog(LOG_DEBUG, "no callback allowed");
-	    break;
-
-	case CB_CONF_USER:
-	    syslog(LOG_DEBUG, "user callback allowed");
-	    if (opt_len > 4) {
-	        GETCHAR(addr_type, pckt);
-		memcpy(address, pckt, opt_len - 4);
-		address[opt_len - 4] = 0;
-		if (address[0])
-		    syslog(LOG_DEBUG, "address: %s", address);
-	    }
-	    break;
-
-	case CB_CONF_ADMIN:
-	    syslog(LOG_DEBUG, "user admin defined allowed");
-	    break;
-
-	case CB_CONF_LIST:
-	    break;
-	}
-	len -= opt_len;
-    }
-
-    cbcp_resp(us);
-}
-
-static void
-cbcp_resp(us)
-    cbcp_state *us;
-{
-    u_char cb_type;
-    u_char buf[256];
-    u_char *bufp = buf;
-    int len = 0;
-
-    cb_type = us->us_allowed & us->us_type;
-    syslog(LOG_DEBUG, "cbcp_resp cb_type=%d", cb_type);
-
-#if 0
-    if (!cb_type)
-        lcp_down(us->us_unit);
-#endif
-
-    if (cb_type & ( 1 << CB_CONF_USER ) ) {
-	syslog(LOG_DEBUG, "cbcp_resp CONF_USER");
-	PUTCHAR(CB_CONF_USER, bufp);
-	len = 3 + 1 + strlen(us->us_number) + 1;
-	PUTCHAR(len , bufp);
-	PUTCHAR(5, bufp); /* delay */
-	PUTCHAR(1, bufp);
-	BCOPY(us->us_number, bufp, strlen(us->us_number) + 1);
-	cbcp_send(us, CBCP_RESP, buf, len);
-	return;
-    }
-
-    if (cb_type & ( 1 << CB_CONF_ADMIN ) ) {
-	syslog(LOG_DEBUG, "cbcp_resp CONF_ADMIN");
-        PUTCHAR(CB_CONF_ADMIN, bufp);
-	len = 3 + 1;
-	PUTCHAR(len , bufp);
-	PUTCHAR(5, bufp); /* delay */
-	PUTCHAR(0, bufp);
-	cbcp_send(us, CBCP_RESP, buf, len);
-	return;
-    }
-
-    if (cb_type & ( 1 << CB_CONF_NO ) ) {
-        syslog(LOG_DEBUG, "cbcp_resp CONF_NO");
-	PUTCHAR(CB_CONF_NO, bufp);
-	len = 3;
-	PUTCHAR(len , bufp);
-	PUTCHAR(0, bufp);
-	cbcp_send(us, CBCP_RESP, buf, len);
-	(*ipcp_protent.open)(us->us_unit);
-	return;
-    }
-}
-
-static void
-cbcp_send(us, code, buf, len)
-    cbcp_state *us;
-    u_char code;
-    u_char *buf;
-    int len;
-{
-    u_char *outp;
-    int outlen;
-
-    outp = outpacket_buf;
-
-    outlen = 4 + len;
-    
-    MAKEHEADER(outp, PPP_CBCP);
-
-    PUTCHAR(code, outp);
-    PUTCHAR(us->us_id, outp);
-    PUTSHORT(outlen, outp);
-    
-    if (len)
-        BCOPY(buf, outp, len);
-
-    output(us->us_unit, outpacket_buf, outlen + PPP_HDRLEN);
-}
-
-static void
-cbcp_recvack(us, pckt, len)
-    cbcp_state *us;
-    char *pckt;
-    int len;
-{
-    u_char type, delay, addr_type;
-    int opt_len;
-    char address[256];
-
-    if (len) {
-        GETCHAR(type, pckt);
-	GETCHAR(opt_len, pckt);
-     
-	if (opt_len > 2)
-	    GETCHAR(delay, pckt);
-
-	if (opt_len > 4) {
-	    GETCHAR(addr_type, pckt);
-	    memcpy(address, pckt, opt_len - 4);
-	    address[opt_len - 4] = 0;
-	    if (address[0])
-	        syslog(LOG_DEBUG, "peer will call: %s", address);
-	}
-    }
-
-    cbcp_up(us);
-}
-
-extern int persist;
-
-/* ok peer will do callback */
-static void
-cbcp_up(us)
-    cbcp_state *us;
-{
-    persist = 0;
-    lcp_close(0, "Call me back, please");
-}
diff --git a/usr.sbin/pppd/cbcp.h b/usr.sbin/pppd/cbcp.h
deleted file mode 100644
index c2ab3f6..0000000
--- a/usr.sbin/pppd/cbcp.h
+++ /dev/null
@@ -1,26 +0,0 @@
-#ifndef CBCP_H
-#define CBCP_H
-
-typedef struct cbcp_state {
-    int    us_unit;	/* Interface unit number */
-    u_char us_id;		/* Current id */
-    u_char us_allowed;
-    int    us_type;
-    char   *us_number;    /* Telefone Number */
-} cbcp_state;
-
-extern cbcp_state cbcp[];
-
-extern struct protent cbcp_protent;
-
-#define CBCP_MINLEN 4
-
-#define CBCP_REQ    1
-#define CBCP_RESP   2
-#define CBCP_ACK    3
-
-#define CB_CONF_NO     1
-#define CB_CONF_USER   2
-#define CB_CONF_ADMIN  3
-#define CB_CONF_LIST   4
-#endif
diff --git a/usr.sbin/pppd/chap_ms.c b/usr.sbin/pppd/chap_ms.c
deleted file mode 100644
index 89f95b5..0000000
--- a/usr.sbin/pppd/chap_ms.c
+++ /dev/null
@@ -1,327 +0,0 @@
-/*
- * chap_ms.c - Microsoft MS-CHAP compatible implementation.
- *
- * Copyright (c) 1995 Eric Rosenquist, Strata Software Limited.
- * http://www.strataware.com/
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by Eric Rosenquist.  The name of the author may not be used to
- * endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-/*
- * Modifications by Lauri Pesonen / lpesonen@clinet.fi, april 1997
- *
- *   Implemented LANManager type password response to MS-CHAP challenges.
- *   Now pppd provides both NT style and LANMan style blocks, and the
- *   prefered is set by option "ms-lanman". Default is to use NT.
- *   The hash text (StdText) was taken from Win95 RASAPI32.DLL.
- *
- *   You should also use DOMAIN\\USERNAME as described in README.MSCHAP80
- */
-
-#ifndef lint
-static char rcsid[] = "$Id: chap_ms.c,v 1.4 1997/05/22 06:46:19 paulus Exp $";
-#endif
-
-#ifdef CHAPMS
-
-#include <stdio.h>
-#include <sys/types.h>
-#include <sys/time.h>
-#include <syslog.h>
-
-#include "pppd.h"
-#include "chap.h"
-#include "chap_ms.h"
-#include "md4.h"
-
-#ifndef USE_CRYPT
-#include <des.h>
-#endif
-
-typedef struct {
-    u_char LANManResp[24];
-    u_char NTResp[24];
-    u_char UseNT;		/* If 1, ignore the LANMan response field */
-} MS_ChapResponse;
-/* We use MS_CHAP_RESPONSE_LEN, rather than sizeof(MS_ChapResponse),
-   in case this struct gets padded. */
-
-
-static void	DesEncrypt __P((u_char *, u_char *, u_char *));
-static void	MakeKey __P((u_char *, u_char *));
-
-#ifdef USE_CRYPT
-static void	Expand __P((u_char *, u_char *));
-static void	Collapse __P((u_char *, u_char *));
-#endif
-
-static void
-ChallengeResponse(challenge, pwHash, response)
-    u_char *challenge;	/* IN   8 octets */
-    u_char *pwHash;	/* IN  16 octets */
-    u_char *response;	/* OUT 24 octets */
-{
-    char    ZPasswordHash[21];
-
-    BZERO(ZPasswordHash, sizeof(ZPasswordHash));
-    BCOPY(pwHash, ZPasswordHash, 16);
-
-#if 0
-    log_packet(ZPasswordHash, sizeof(ZPasswordHash), "ChallengeResponse - ZPasswordHash", LOG_DEBUG);
-#endif
-
-    DesEncrypt(challenge, ZPasswordHash +  0, response + 0);
-    DesEncrypt(challenge, ZPasswordHash +  7, response + 8);
-    DesEncrypt(challenge, ZPasswordHash + 14, response + 16);
-
-#if 0
-    log_packet(response, 24, "ChallengeResponse - response", LOG_DEBUG);
-#endif
-}
-
-
-#ifdef USE_CRYPT
-static void
-DesEncrypt(clear, key, cipher)
-    u_char *clear;	/* IN  8 octets */
-    u_char *key;	/* IN  7 octets */
-    u_char *cipher;	/* OUT 8 octets */
-{
-    u_char des_key[8];
-    u_char crypt_key[66];
-    u_char des_input[66];
-
-    MakeKey(key, des_key);
-
-    Expand(des_key, crypt_key);
-    setkey(crypt_key);
-
-#if 0
-    CHAPDEBUG((LOG_INFO, "DesEncrypt: 8 octet input : %02X%02X%02X%02X%02X%02X%02X%02X",
-	       clear[0], clear[1], clear[2], clear[3], clear[4], clear[5], clear[6], clear[7]));
-#endif
-
-    Expand(clear, des_input);
-    encrypt(des_input, 0);
-    Collapse(des_input, cipher);
-
-#if 0
-    CHAPDEBUG((LOG_INFO, "DesEncrypt: 8 octet output: %02X%02X%02X%02X%02X%02X%02X%02X",
-	       cipher[0], cipher[1], cipher[2], cipher[3], cipher[4], cipher[5], cipher[6], cipher[7]));
-#endif
-}
-
-#else /* USE_CRYPT */
-
-static void
-DesEncrypt(clear, key, cipher)
-    u_char *clear;	/* IN  8 octets */
-    u_char *key;	/* IN  7 octets */
-    u_char *cipher;	/* OUT 8 octets */
-{
-    des_cblock		des_key;
-    des_key_schedule	key_schedule;
-
-    MakeKey(key, des_key);
-
-    des_set_key(&des_key, key_schedule);
-
-#if 0
-    CHAPDEBUG((LOG_INFO, "DesEncrypt: 8 octet input : %02X%02X%02X%02X%02X%02X%02X%02X",
-	       clear[0], clear[1], clear[2], clear[3], clear[4], clear[5], clear[6], clear[7]));
-#endif
-
-    des_ecb_encrypt((des_cblock *)clear, (des_cblock *)cipher, key_schedule, 1);
-
-#if 0
-    CHAPDEBUG((LOG_INFO, "DesEncrypt: 8 octet output: %02X%02X%02X%02X%02X%02X%02X%02X",
-	       cipher[0], cipher[1], cipher[2], cipher[3], cipher[4], cipher[5], cipher[6], cipher[7]));
-#endif
-}
-
-#endif /* USE_CRYPT */
-
-
-static u_char Get7Bits(input, startBit)
-    u_char *input;
-    int startBit;
-{
-    register unsigned int	word;
-
-    word  = (unsigned)input[startBit / 8] << 8;
-    word |= (unsigned)input[startBit / 8 + 1];
-
-    word >>= 15 - (startBit % 8 + 7);
-
-    return word & 0xFE;
-}
-
-#ifdef USE_CRYPT
-
-/* in == 8-byte string (expanded version of the 56-bit key)
- * out == 64-byte string where each byte is either 1 or 0
- * Note that the low-order "bit" is always ignored by by setkey()
- */
-static void Expand(in, out)
-    u_char *in;
-    u_char *out;
-{
-        int j, c;
-        int i;
-
-        for(i = 0; i < 64; in++){
-		c = *in;
-                for(j = 7; j >= 0; j--)
-                        *out++ = (c >> j) & 01;
-                i += 8;
-        }
-}
-
-/* The inverse of Expand
- */
-static void Collapse(in, out)
-    u_char *in;
-    u_char *out;
-{
-        int j;
-        int i;
-	unsigned int c;
-
-	for (i = 0; i < 64; i += 8, out++) {
-	    c = 0;
-	    for (j = 7; j >= 0; j--, in++)
-		c |= *in << j;
-	    *out = c & 0xff;
-	}
-}
-#endif
-
-static void MakeKey(key, des_key)
-    u_char *key;	/* IN  56 bit DES key missing parity bits */
-    u_char *des_key;	/* OUT 64 bit DES key with parity bits added */
-{
-    des_key[0] = Get7Bits(key,  0);
-    des_key[1] = Get7Bits(key,  7);
-    des_key[2] = Get7Bits(key, 14);
-    des_key[3] = Get7Bits(key, 21);
-    des_key[4] = Get7Bits(key, 28);
-    des_key[5] = Get7Bits(key, 35);
-    des_key[6] = Get7Bits(key, 42);
-    des_key[7] = Get7Bits(key, 49);
-
-#ifndef USE_CRYPT
-    des_set_odd_parity((des_cblock *)des_key);
-#endif
-
-#if 0
-    CHAPDEBUG((LOG_INFO, "MakeKey: 56-bit input : %02X%02X%02X%02X%02X%02X%02X",
-	       key[0], key[1], key[2], key[3], key[4], key[5], key[6]));
-    CHAPDEBUG((LOG_INFO, "MakeKey: 64-bit output: %02X%02X%02X%02X%02X%02X%02X%02X",
-	       des_key[0], des_key[1], des_key[2], des_key[3], des_key[4], des_key[5], des_key[6], des_key[7]));
-#endif
-}
-
-static void
-ChapMS_NT(rchallenge, rchallenge_len, secret, secret_len, response)
-    char *rchallenge;
-    int rchallenge_len;
-    char *secret;
-    int secret_len;
-    MS_ChapResponse    *response;
-{
-    int			i;
-    MDstruct		md4Context;
-    u_char		unicodePassword[MAX_NT_PASSWORD * 2];
-    static int		low_byte_first = -1;
-
-    /* Initialize the Unicode version of the secret (== password). */
-    /* This implicitly supports 8-bit ISO8859/1 characters. */
-    BZERO(unicodePassword, sizeof(unicodePassword));
-    for (i = 0; i < secret_len; i++)
-	unicodePassword[i * 2] = (u_char)secret[i];
-
-    MDbegin(&md4Context);
-    MDupdate(&md4Context, unicodePassword, secret_len * 2 * 8);	/* Unicode is 2 bytes/char, *8 for bit count */
-
-    if (low_byte_first == -1)
-	low_byte_first = (htons((unsigned short int)1) != 1);
-    if (low_byte_first == 0)
-	MDreverse(&md4Context);  /*  sfb 961105 */
-
-    MDupdate(&md4Context, NULL, 0);	/* Tell MD4 we're done */
-
-    ChallengeResponse(rchallenge, (char *)md4Context.buffer, response->NTResp);
-}
-
-#ifdef MSLANMAN
-static u_char *StdText = (u_char *)"KGS!@#$%"; /* key from rasapi32.dll */
-
-static ChapMS_LANMan(rchallenge, rchallenge_len, secret, secret_len, response)
-    char *rchallenge;
-    int rchallenge_len;
-    char *secret;
-    int secret_len;
-    MS_ChapResponse	*response;
-{
-    int			i;
-    u_char		UcasePassword[MAX_NT_PASSWORD]; /* max is actually 14 */
-    u_char		PasswordHash[16];
-
-    /* LANMan password is case insensitive */
-    BZERO(UcasePassword, sizeof(UcasePassword));
-    for (i = 0; i < secret_len; i++)
-       UcasePassword[i] = (u_char)toupper(secret[i]);
-    DesEncrypt( StdText, UcasePassword + 0, PasswordHash + 0 );
-    DesEncrypt( StdText, UcasePassword + 7, PasswordHash + 8 );
-    ChallengeResponse(rchallenge, PasswordHash, response->LANManResp);
-}
-#endif
-
-void
-ChapMS(cstate, rchallenge, rchallenge_len, secret, secret_len)
-    chap_state *cstate;
-    char *rchallenge;
-    int rchallenge_len;
-    char *secret;
-    int secret_len;
-{
-    MS_ChapResponse	response;
-#ifdef MSLANMAN
-    extern int ms_lanman;
-#endif
-
-#if 0
-    CHAPDEBUG((LOG_INFO, "ChapMS: secret is '%.*s'", secret_len, secret));
-#endif
-    BZERO(&response, sizeof(response));
-
-    /* Calculate both always */
-    ChapMS_NT(rchallenge, rchallenge_len, secret, secret_len, &response);
-
-#ifdef MSLANMAN
-    ChapMS_LANMan(rchallenge, rchallenge_len, secret, secret_len, &response);
-
-    /* prefered method is set by option  */
-    response.UseNT = !ms_lanman;
-#else
-    response.UseNT = 1;
-#endif
-
-    BCOPY(&response, cstate->response, MS_CHAP_RESPONSE_LEN);
-    cstate->resp_length = MS_CHAP_RESPONSE_LEN;
-}
-
-#endif /* CHAPMS */
diff --git a/usr.sbin/pppd/chap_ms.h b/usr.sbin/pppd/chap_ms.h
deleted file mode 100644
index 2d7c7e9..0000000
--- a/usr.sbin/pppd/chap_ms.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/*
- * chap.h - Challenge Handshake Authentication Protocol definitions.
- *
- * Copyright (c) 1995 Eric Rosenquist, Strata Software Limited.
- * http://www.strataware.com/
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by Eric Rosenquist.  The name of the author may not be used to
- * endorse or promote products derived from this software without
- * specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: chap_ms.h,v 1.1 1996/05/28 00:42:31 paulus Exp $
- */
-
-#ifndef __CHAPMS_INCLUDE__
-
-#define MAX_NT_PASSWORD	256	/* Maximum number of (Unicode) chars in an NT password */
-
-void ChapMS __P((chap_state *, char *, int, char *, int));
-
-#define __CHAPMS_INCLUDE__
-#endif /* __CHAPMS_INCLUDE__ */
diff --git a/usr.sbin/pppd/demand.c b/usr.sbin/pppd/demand.c
deleted file mode 100644
index dc13ba7..0000000
--- a/usr.sbin/pppd/demand.c
+++ /dev/null
@@ -1,348 +0,0 @@
-/*
- * demand.c - Support routines for demand-dialling.
- *
- * Copyright (c) 1993 The Australian National University.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by the Australian National University.  The name of the University
- * may not be used to endorse or promote products derived from this
- * software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-#ifndef lint
-static char rcsid[] = "$Id: demand.c,v 1.6 1997/04/30 05:51:56 paulus Exp $";
-#endif
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <syslog.h>
-#include <netdb.h>
-#include <sys/param.h>
-#include <sys/types.h>
-#include <sys/wait.h>
-#include <sys/time.h>
-#include <sys/resource.h>
-#include <sys/stat.h>
-#include <sys/socket.h>
-#include <net/if.h>
-#ifdef PPP_FILTER
-#include <net/bpf.h>
-#include <pcap.h>
-#endif
-
-#include "pppd.h"
-#include "fsm.h"
-#include "ipcp.h"
-#include "lcp.h"
-
-char *frame;
-int framelen;
-int framemax;
-int escape_flag;
-int flush_flag;
-int fcs;
-
-struct packet {
-    int length;
-    struct packet *next;
-    unsigned char data[1];
-};
-
-struct packet *pend_q;
-struct packet *pend_qtail;
-
-static int active_packet __P((unsigned char *, int));
-
-/*
- * demand_conf - configure the interface for doing dial-on-demand.
- */
-void
-demand_conf()
-{
-    int i;
-    struct protent *protp;
-
-/*    framemax = lcp_allowoptions[0].mru;
-    if (framemax < PPP_MRU) */
-	framemax = PPP_MRU;
-    framemax += PPP_HDRLEN + PPP_FCSLEN;
-    frame = malloc(framemax);
-    if (frame == NULL)
-	novm("demand frame");
-    framelen = 0;
-    pend_q = NULL;
-    escape_flag = 0;
-    flush_flag = 0;
-    fcs = PPP_INITFCS;
-
-    ppp_send_config(0, PPP_MRU, (u_int32_t) 0, 0, 0);
-    ppp_recv_config(0, PPP_MRU, (u_int32_t) 0, 0, 0);
-
-#ifdef PPP_FILTER
-    set_filters(&pass_filter, &active_filter);
-#endif
-
-    /*
-     * Call the demand_conf procedure for each protocol that's got one.
-     */
-    for (i = 0; (protp = protocols[i]) != NULL; ++i)
-	if (protp->enabled_flag && protp->demand_conf != NULL)
-	    if (!((*protp->demand_conf)(0)))
-		die(1);
-}
-
-
-/*
- * demand_block - set each network protocol to block further packets.
- */
-void
-demand_block()
-{
-    int i;
-    struct protent *protp;
-
-    for (i = 0; (protp = protocols[i]) != NULL; ++i)
-	if (protp->enabled_flag && protp->demand_conf != NULL)
-	    sifnpmode(0, protp->protocol & ~0x8000, NPMODE_QUEUE);
-    get_loop_output();
-}
-
-/*
- * demand_discard - set each network protocol to discard packets
- * with an error.
- */
-void
-demand_discard()
-{
-    struct packet *pkt, *nextpkt;
-    int i;
-    struct protent *protp;
-
-    for (i = 0; (protp = protocols[i]) != NULL; ++i)
-	if (protp->enabled_flag && protp->demand_conf != NULL)
-	    sifnpmode(0, protp->protocol & ~0x8000, NPMODE_ERROR);
-    get_loop_output();
-
-    /* discard all saved packets */
-    for (pkt = pend_q; pkt != NULL; pkt = nextpkt) {
-	nextpkt = pkt->next;
-	free(pkt);
-    }
-    pend_q = NULL;
-    framelen = 0;
-    flush_flag = 0;
-    escape_flag = 0;
-    fcs = PPP_INITFCS;
-}
-
-/*
- * demand_unblock - set each enabled network protocol to pass packets.
- */
-void
-demand_unblock()
-{
-    int i;
-    struct protent *protp;
-
-    for (i = 0; (protp = protocols[i]) != NULL; ++i)
-	if (protp->enabled_flag && protp->demand_conf != NULL)
-	    sifnpmode(0, protp->protocol & ~0x8000, NPMODE_PASS);
-}
-
-/*
- * FCS lookup table as calculated by genfcstab.
- */
-static u_short fcstab[256] = {
-	0x0000,	0x1189,	0x2312,	0x329b,	0x4624,	0x57ad,	0x6536,	0x74bf,
-	0x8c48,	0x9dc1,	0xaf5a,	0xbed3,	0xca6c,	0xdbe5,	0xe97e,	0xf8f7,
-	0x1081,	0x0108,	0x3393,	0x221a,	0x56a5,	0x472c,	0x75b7,	0x643e,
-	0x9cc9,	0x8d40,	0xbfdb,	0xae52,	0xdaed,	0xcb64,	0xf9ff,	0xe876,
-	0x2102,	0x308b,	0x0210,	0x1399,	0x6726,	0x76af,	0x4434,	0x55bd,
-	0xad4a,	0xbcc3,	0x8e58,	0x9fd1,	0xeb6e,	0xfae7,	0xc87c,	0xd9f5,
-	0x3183,	0x200a,	0x1291,	0x0318,	0x77a7,	0x662e,	0x54b5,	0x453c,
-	0xbdcb,	0xac42,	0x9ed9,	0x8f50,	0xfbef,	0xea66,	0xd8fd,	0xc974,
-	0x4204,	0x538d,	0x6116,	0x709f,	0x0420,	0x15a9,	0x2732,	0x36bb,
-	0xce4c,	0xdfc5,	0xed5e,	0xfcd7,	0x8868,	0x99e1,	0xab7a,	0xbaf3,
-	0x5285,	0x430c,	0x7197,	0x601e,	0x14a1,	0x0528,	0x37b3,	0x263a,
-	0xdecd,	0xcf44,	0xfddf,	0xec56,	0x98e9,	0x8960,	0xbbfb,	0xaa72,
-	0x6306,	0x728f,	0x4014,	0x519d,	0x2522,	0x34ab,	0x0630,	0x17b9,
-	0xef4e,	0xfec7,	0xcc5c,	0xddd5,	0xa96a,	0xb8e3,	0x8a78,	0x9bf1,
-	0x7387,	0x620e,	0x5095,	0x411c,	0x35a3,	0x242a,	0x16b1,	0x0738,
-	0xffcf,	0xee46,	0xdcdd,	0xcd54,	0xb9eb,	0xa862,	0x9af9,	0x8b70,
-	0x8408,	0x9581,	0xa71a,	0xb693,	0xc22c,	0xd3a5,	0xe13e,	0xf0b7,
-	0x0840,	0x19c9,	0x2b52,	0x3adb,	0x4e64,	0x5fed,	0x6d76,	0x7cff,
-	0x9489,	0x8500,	0xb79b,	0xa612,	0xd2ad,	0xc324,	0xf1bf,	0xe036,
-	0x18c1,	0x0948,	0x3bd3,	0x2a5a,	0x5ee5,	0x4f6c,	0x7df7,	0x6c7e,
-	0xa50a,	0xb483,	0x8618,	0x9791,	0xe32e,	0xf2a7,	0xc03c,	0xd1b5,
-	0x2942,	0x38cb,	0x0a50,	0x1bd9,	0x6f66,	0x7eef,	0x4c74,	0x5dfd,
-	0xb58b,	0xa402,	0x9699,	0x8710,	0xf3af,	0xe226,	0xd0bd,	0xc134,
-	0x39c3,	0x284a,	0x1ad1,	0x0b58,	0x7fe7,	0x6e6e,	0x5cf5,	0x4d7c,
-	0xc60c,	0xd785,	0xe51e,	0xf497,	0x8028,	0x91a1,	0xa33a,	0xb2b3,
-	0x4a44,	0x5bcd,	0x6956,	0x78df,	0x0c60,	0x1de9,	0x2f72,	0x3efb,
-	0xd68d,	0xc704,	0xf59f,	0xe416,	0x90a9,	0x8120,	0xb3bb,	0xa232,
-	0x5ac5,	0x4b4c,	0x79d7,	0x685e,	0x1ce1,	0x0d68,	0x3ff3,	0x2e7a,
-	0xe70e,	0xf687,	0xc41c,	0xd595,	0xa12a,	0xb0a3,	0x8238,	0x93b1,
-	0x6b46,	0x7acf,	0x4854,	0x59dd,	0x2d62,	0x3ceb,	0x0e70,	0x1ff9,
-	0xf78f,	0xe606,	0xd49d,	0xc514,	0xb1ab,	0xa022,	0x92b9,	0x8330,
-	0x7bc7,	0x6a4e,	0x58d5,	0x495c,	0x3de3,	0x2c6a,	0x1ef1,	0x0f78
-};
-
-/*
- * loop_chars - process characters received from the loopback.
- * Calls loop_frame when a complete frame has been accumulated.
- * Return value is 1 if we need to bring up the link, 0 otherwise.
- */
-int
-loop_chars(p, n)
-    unsigned char *p;
-    int n;
-{
-    int c, rv;
-
-    rv = 0;
-    for (; n > 0; --n) {
-	c = *p++;
-	if (c == PPP_FLAG) {
-	    if (!escape_flag && !flush_flag
-		&& framelen > 2 && fcs == PPP_GOODFCS) {
-		framelen -= 2;
-		if (loop_frame(frame, framelen))
-		    rv = 1;
-	    }
-	    framelen = 0;
-	    flush_flag = 0;
-	    escape_flag = 0;
-	    fcs = PPP_INITFCS;
-	    continue;
-	}
-	if (flush_flag)
-	    continue;
-	if (escape_flag) {
-	    c ^= PPP_TRANS;
-	    escape_flag = 0;
-	} else if (c == PPP_ESCAPE) {
-	    escape_flag = 1;
-	    continue;
-	}
-	if (framelen >= framemax) {
-	    flush_flag = 1;
-	    continue;
-	}
-	frame[framelen++] = c;
-	fcs = PPP_FCS(fcs, c);
-    }
-    return rv;
-}
-
-/*
- * loop_frame - given a frame obtained from the loopback,
- * decide whether to bring up the link or not, and, if we want
- * to transmit this frame later, put it on the pending queue.
- * Return value is 1 if we need to bring up the link, 0 otherwise.
- * We assume that the kernel driver has already applied the
- * pass_filter, so we won't get packets it rejected.
- * We apply the active_filter to see if we want this packet to
- * bring up the link.
- */
-int
-loop_frame(frame, len)
-    unsigned char *frame;
-    int len;
-{
-    struct packet *pkt;
-
-    /* log_packet(frame, len, "from loop: ", LOG_DEBUG); */
-    if (len < PPP_HDRLEN)
-	return 0;
-    if ((PPP_PROTOCOL(frame) & 0x8000) != 0)
-	return 0;		/* shouldn't get any of these anyway */
-    if (!active_packet(frame, len))
-	return 0;
-
-    pkt = (struct packet *) malloc(sizeof(struct packet) + len);
-    if (pkt != NULL) {
-	pkt->length = len;
-	pkt->next = NULL;
-	memcpy(pkt->data, frame, len);
-	if (pend_q == NULL)
-	    pend_q = pkt;
-	else
-	    pend_qtail->next = pkt;
-	pend_qtail = pkt;
-    }
-    return 1;
-}
-
-/*
- * demand_rexmit - Resend all those frames which we got via the
- * loopback, now that the real serial link is up.
- */
-void
-demand_rexmit(proto)
-    int proto;
-{
-    struct packet *pkt, *prev, *nextpkt;
-
-    prev = NULL;
-    pkt = pend_q;
-    pend_q = NULL;
-    for (; pkt != NULL; pkt = nextpkt) {
-	nextpkt = pkt->next;
-	if (PPP_PROTOCOL(pkt->data) == proto) {
-	    output(0, pkt->data, pkt->length);
-	    free(pkt);
-	} else {
-	    if (prev == NULL)
-		pend_q = pkt;
-	    else
-		prev->next = pkt;
-	    prev = pkt;
-	}
-    }
-    pend_qtail = prev;
-    if (prev != NULL)
-	prev->next = NULL;
-}
-
-/*
- * Scan a packet to decide whether it is an "active" packet,
- * that is, whether it is worth bringing up the link for.
- */
-static int
-active_packet(p, len)
-    unsigned char *p;
-    int len;
-{
-    int proto, i;
-    struct protent *protp;
-
-    if (len < PPP_HDRLEN)
-	return 0;
-    proto = PPP_PROTOCOL(p);
-#ifdef PPP_FILTER
-    if (active_filter.bf_len != 0
-	&& bpf_filter(active_filter.bf_insns, frame, len, len) == 0)
-	return 0;
-#endif
-    for (i = 0; (protp = protocols[i]) != NULL; ++i) {
-	if (protp->protocol < 0xC000 && (protp->protocol & ~0x8000) == proto) {
-	    if (!protp->enabled_flag)
-		return 0;
-	    if (protp->active_pkt == NULL)
-		return 1;
-	    return (*protp->active_pkt)(p, len);
-	}
-    }
-    return 0;			/* not a supported protocol !!?? */
-}
diff --git a/usr.sbin/pppd/ipxcp.c b/usr.sbin/pppd/ipxcp.c
deleted file mode 100644
index 9de3462..0000000
--- a/usr.sbin/pppd/ipxcp.c
+++ /dev/null
@@ -1,1414 +0,0 @@
-/*
- * ipxcp.c - PPP IPX Control Protocol.
- *
- * Copyright (c) 1989 Carnegie Mellon University.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by Carnegie Mellon University.  The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- */
-
-#ifdef IPX_CHANGE
-#ifndef lint
-static char rcsid[] = "$Id: ipxcp.c,v 1.5 1997/03/04 03:39:32 paulus Exp $";
-#endif
-
-/*
- * TODO:
- */
-
-#include <stdio.h>
-#include <string.h>
-#include <syslog.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-
-#include "pppd.h"
-#include "fsm.h"
-#include "ipxcp.h"
-#include "pathnames.h"
-
-/* global vars */
-ipxcp_options ipxcp_wantoptions[NUM_PPP];	/* Options that we want to request */
-ipxcp_options ipxcp_gotoptions[NUM_PPP];	/* Options that peer ack'd */
-ipxcp_options ipxcp_allowoptions[NUM_PPP];	/* Options we allow peer to request */
-ipxcp_options ipxcp_hisoptions[NUM_PPP];	/* Options that we ack'd */
-
-#define wo (&ipxcp_wantoptions[0])
-#define ao (&ipxcp_allowoptions[0])
-#define go (&ipxcp_gotoptions[0])
-#define ho (&ipxcp_hisoptions[0])
-
-/*
- * Callbacks for fsm code.  (CI = Configuration Information)
- */
-static void ipxcp_resetci __P((fsm *));	/* Reset our CI */
-static int  ipxcp_cilen __P((fsm *));		/* Return length of our CI */
-static void ipxcp_addci __P((fsm *, u_char *, int *)); /* Add our CI */
-static int  ipxcp_ackci __P((fsm *, u_char *, int));	/* Peer ack'd our CI */
-static int  ipxcp_nakci __P((fsm *, u_char *, int));	/* Peer nak'd our CI */
-static int  ipxcp_rejci __P((fsm *, u_char *, int));	/* Peer rej'd our CI */
-static int  ipxcp_reqci __P((fsm *, u_char *, int *, int)); /* Rcv CI */
-static void ipxcp_up __P((fsm *));		/* We're UP */
-static void ipxcp_down __P((fsm *));		/* We're DOWN */
-static void ipxcp_script __P((fsm *, char *)); /* Run an up/down script */
-
-fsm ipxcp_fsm[NUM_PPP];		/* IPXCP fsm structure */
-
-static fsm_callbacks ipxcp_callbacks = { /* IPXCP callback routines */
-    ipxcp_resetci,		/* Reset our Configuration Information */
-    ipxcp_cilen,		/* Length of our Configuration Information */
-    ipxcp_addci,		/* Add our Configuration Information */
-    ipxcp_ackci,		/* ACK our Configuration Information */
-    ipxcp_nakci,		/* NAK our Configuration Information */
-    ipxcp_rejci,		/* Reject our Configuration Information */
-    ipxcp_reqci,		/* Request peer's Configuration Information */
-    ipxcp_up,			/* Called when fsm reaches OPENED state */
-    ipxcp_down,			/* Called when fsm leaves OPENED state */
-    NULL,			/* Called when we want the lower layer up */
-    NULL,			/* Called when we want the lower layer down */
-    NULL,			/* Called when Protocol-Reject received */
-    NULL,			/* Retransmission is necessary */
-    NULL,			/* Called to handle protocol-specific codes */
-    "IPXCP"			/* String name of protocol */
-};
-
-/*
- * Protocol entry points.
- */
-
-static void ipxcp_init __P((int));
-static void ipxcp_open __P((int));
-static void ipxcp_close __P((int, char *));
-static void ipxcp_lowerup __P((int));
-static void ipxcp_lowerdown __P((int));
-static void ipxcp_input __P((int, u_char *, int));
-static void ipxcp_protrej __P((int));
-static int  ipxcp_printpkt __P((u_char *, int,
-				void (*) __P((void *, char *, ...)), void *));
-
-struct protent ipxcp_protent = {
-    PPP_IPXCP,
-    ipxcp_init,
-    ipxcp_input,
-    ipxcp_protrej,
-    ipxcp_lowerup,
-    ipxcp_lowerdown,
-    ipxcp_open,
-    ipxcp_close,
-    ipxcp_printpkt,
-    NULL,
-    0,
-    "IPXCP",
-    NULL,
-    NULL,
-    NULL
-};
-
-/*
- * Lengths of configuration options.
- */
-
-#define CILEN_VOID	2
-#define CILEN_COMPLETE	2	/* length of complete option */
-#define CILEN_NETN	6	/* network number length option */
-#define CILEN_NODEN	8	/* node number length option */
-#define CILEN_PROTOCOL	4	/* Minimum length of routing protocol */
-#define CILEN_NAME	3	/* Minimum length of router name */
-#define CILEN_COMPRESS	4	/* Minimum length of compression protocol */
-
-#define CODENAME(x)	((x) == CONFACK ? "ACK" : \
-			 (x) == CONFNAK ? "NAK" : "REJ")
-
-/* Used in printing the node number */
-#define NODE(base) base[0], base[1], base[2], base[3], base[4], base[5]
-
-/* Used to generate the proper bit mask */
-#define BIT(num)   (1 << (num))
-
-/*
- * Convert from internal to external notation
- */
-
-static short int
-to_external(internal)
-short int internal;
-{
-    short int  external;
-
-    if (internal & IPX_NONE)
-        external = IPX_NONE;
-    else
-        external = RIP_SAP;
-
-    return external;
-}
-
-/*
- * Make a string representation of a network IP address.
- */
-
-char *
-ipx_ntoa(ipxaddr)
-u_int32_t ipxaddr;
-{
-    static char b[64];
-    sprintf(b, "%lx", ipxaddr);
-    return b;
-}
-
-
-/*
- * ipxcp_init - Initialize IPXCP.
- */
-static void
-ipxcp_init(unit)
-    int unit;
-{
-    fsm *f = &ipxcp_fsm[unit];
-
-    f->unit	 = unit;
-    f->protocol	 = PPP_IPXCP;
-    f->callbacks = &ipxcp_callbacks;
-    fsm_init(&ipxcp_fsm[unit]);
-
-    memset (wo->name,	  0, sizeof (wo->name));
-    memset (wo->our_node, 0, sizeof (wo->our_node));
-    memset (wo->his_node, 0, sizeof (wo->his_node));
-
-    wo->neg_nn	       = 1;
-    wo->neg_complete   = 1;
-    wo->network	       = 0;
-
-    ao->neg_node       = 1;
-    ao->neg_nn	       = 1;
-    ao->neg_name       = 1;
-    ao->neg_complete   = 1;
-    ao->neg_router     = 1;
-
-    ao->accept_local   = 0;
-    ao->accept_remote  = 0;
-    ao->accept_network = 0;
-
-    wo->tried_rip      = 0;
-    wo->tried_nlsp     = 0;
-}
-
-/*
- * Copy the node number
- */
-
-static void
-copy_node (src, dst)
-u_char *src, *dst;
-{
-    memcpy (dst, src, sizeof (ipxcp_wantoptions[0].our_node));
-}
-
-/*
- * Compare node numbers
- */
-
-static int
-compare_node (src, dst)
-u_char *src, *dst;
-{
-    return memcmp (dst, src, sizeof (ipxcp_wantoptions[0].our_node)) == 0;
-}
-
-/*
- * Is the node number zero?
- */
-
-static int
-zero_node (node)
-u_char *node;
-{
-    int indx;
-    for (indx = 0; indx < sizeof (ipxcp_wantoptions[0].our_node); ++indx)
-	if (node [indx] != 0)
-	    return 0;
-    return 1;
-}
-
-/*
- * Increment the node number
- */
-
-static void
-inc_node (node)
-u_char *node;
-{
-    u_char   *outp;
-    u_int32_t magic_num;
-
-    outp      = node;
-    magic_num = magic();
-    *outp++   = '\0';
-    *outp++   = '\0';
-    PUTLONG (magic_num, outp);
-}
-
-/*
- * ipxcp_open - IPXCP is allowed to come up.
- */
-static void
-ipxcp_open(unit)
-    int unit;
-{
-    fsm_open(&ipxcp_fsm[unit]);
-}
-
-/*
- * ipxcp_close - Take IPXCP down.
- */
-static void
-ipxcp_close(unit, reason)
-    int unit;
-    char *reason;
-{
-    fsm_close(&ipxcp_fsm[unit], reason);
-}
-
-
-/*
- * ipxcp_lowerup - The lower layer is up.
- */
-static void
-ipxcp_lowerup(unit)
-    int unit;
-{
-    fsm_lowerup(&ipxcp_fsm[unit]);
-}
-
-
-/*
- * ipxcp_lowerdown - The lower layer is down.
- */
-static void
-ipxcp_lowerdown(unit)
-    int unit;
-{
-    fsm_lowerdown(&ipxcp_fsm[unit]);
-}
-
-
-/*
- * ipxcp_input - Input IPXCP packet.
- */
-static void
-ipxcp_input(unit, p, len)
-    int unit;
-    u_char *p;
-    int len;
-{
-    fsm_input(&ipxcp_fsm[unit], p, len);
-}
-
-
-/*
- * ipxcp_protrej - A Protocol-Reject was received for IPXCP.
- *
- * Pretend the lower layer went down, so we shut up.
- */
-static void
-ipxcp_protrej(unit)
-    int unit;
-{
-    fsm_lowerdown(&ipxcp_fsm[unit]);
-}
-
-
-/*
- * ipxcp_resetci - Reset our CI.
- */
-static void
-ipxcp_resetci(f)
-    fsm *f;
-{
-    u_int32_t network;
-    int unit = f->unit;
-
-    wo->req_node = wo->neg_node && ao->neg_node;
-    wo->req_nn	 = wo->neg_nn	&& ao->neg_nn;
-
-    if (wo->our_network == 0) {
-	wo->neg_node	   = 1;
-	ao->accept_network = 1;
-    }
-/*
- * If our node number is zero then change it.
- */
-    if (zero_node (wo->our_node)) {
-	inc_node (wo->our_node);
-	ao->accept_local = 1;
-	wo->neg_node	 = 1;
-    }
-/*
- * If his node number is zero then change it.
- */
-    if (zero_node (wo->his_node)) {
-	inc_node (wo->his_node);
-	ao->accept_remote = 1;
-    }
-/*
- * If no routing agent was specified then we do RIP/SAP according to the
- * RFC documents. If you have specified something then OK. Otherwise, we
- * do RIP/SAP.
- */
-    if (ao->router == 0) {
-	ao->router |= BIT(RIP_SAP);
-	wo->router |= BIT(RIP_SAP);
-    }
-
-    /* Always specify a routing protocol unless it was REJected. */
-    wo->neg_router = 1;
-/*
- * Start with these default values
- */
-    *go = *wo;
-}
-
-/*
- * ipxcp_cilen - Return length of our CI.
- */
-
-static int
-ipxcp_cilen(f)
-    fsm *f;
-{
-    int unit = f->unit;
-    int len;
-
-    len	 = go->neg_nn	    ? CILEN_NETN     : 0;
-    len += go->neg_node	    ? CILEN_NODEN    : 0;
-    len += go->neg_name	    ? CILEN_NAME + strlen (go->name) - 1 : 0;
-
-    /* RFC says that defaults should not be included. */
-    if (go->neg_router && to_external(go->router) != RIP_SAP)
-        len += CILEN_PROTOCOL;
-
-    return (len);
-}
-
-
-/*
- * ipxcp_addci - Add our desired CIs to a packet.
- */
-static void
-ipxcp_addci(f, ucp, lenp)
-    fsm *f;
-    u_char *ucp;
-    int *lenp;
-{
-    int len = *lenp;
-    int unit = f->unit;
-/*
- * Add the options to the record.
- */
-    if (go->neg_nn) {
-	PUTCHAR (IPX_NETWORK_NUMBER, ucp);
-	PUTCHAR (CILEN_NETN, ucp);
-	PUTLONG (go->our_network, ucp);
-    }
-
-    if (go->neg_node) {
-	int indx;
-	PUTCHAR (IPX_NODE_NUMBER, ucp);
-	PUTCHAR (CILEN_NODEN, ucp);
-	for (indx = 0; indx < sizeof (go->our_node); ++indx)
-	    PUTCHAR (go->our_node[indx], ucp);
-    }
-
-    if (go->neg_name) {
-	int cilen = strlen (go->name);
-	int indx;
-	PUTCHAR (IPX_ROUTER_NAME, ucp);
-	PUTCHAR (CILEN_NAME + cilen - 1, ucp);
-	for (indx = 0; indx < cilen; ++indx)
-	    PUTCHAR (go->name [indx], ucp);
-    }
-
-    if (go->neg_router) {
-        short external = to_external (go->router);
-	if (external != RIP_SAP) {
-	    PUTCHAR  (IPX_ROUTER_PROTOCOL, ucp);
-	    PUTCHAR  (CILEN_PROTOCOL,      ucp);
-	    PUTSHORT (external,            ucp);
-	}
-    }
-}
-
-/*
- * ipxcp_ackci - Ack our CIs.
- *
- * Returns:
- *	0 - Ack was bad.
- *	1 - Ack was good.
- */
-static int
-ipxcp_ackci(f, p, len)
-    fsm *f;
-    u_char *p;
-    int len;
-{
-    int unit = f->unit;
-    u_short cilen, citype, cishort;
-    u_char cichar;
-    u_int32_t cilong;
-
-#define ACKCIVOID(opt, neg) \
-    if (neg) { \
-	if ((len -= CILEN_VOID) < 0) \
-	    break; \
-	GETCHAR(citype, p); \
-	GETCHAR(cilen, p); \
-	if (cilen != CILEN_VOID || \
-	    citype != opt) \
-	    break; \
-    }
-
-#define ACKCICOMPLETE(opt,neg)	ACKCIVOID(opt, neg)
-
-#define ACKCICHARS(opt, neg, val, cnt) \
-    if (neg) { \
-	int indx, count = cnt; \
-	len -= (count + 2); \
-	if (len < 0) \
-	    break; \
-	GETCHAR(citype, p); \
-	GETCHAR(cilen, p); \
-	if (cilen != (count + 2) || \
-	    citype != opt) \
-	    break; \
-	for (indx = 0; indx < count; ++indx) {\
-	    GETCHAR(cichar, p); \
-	    if (cichar != ((u_char *) &val)[indx]) \
-	       break; \
-	}\
-	if (indx != count) \
-	    break; \
-    }
-
-#define ACKCINODE(opt,neg,val) ACKCICHARS(opt,neg,val,sizeof(val))
-#define ACKCINAME(opt,neg,val) ACKCICHARS(opt,neg,val,strlen(val))
-
-#define ACKCINETWORK(opt, neg, val) \
-    if (neg) { \
-	if ((len -= CILEN_NETN) < 0) \
-	    break; \
-	GETCHAR(citype, p); \
-	GETCHAR(cilen, p); \
-	if (cilen != CILEN_NETN || \
-	    citype != opt) \
-	    break; \
-	GETLONG(cilong, p); \
-	if (cilong != val) \
-	    break; \
-    }
-
-#define ACKCIPROTO(opt, neg, val) \
-    if (neg) { \
-	if (len < 2) \
-	    break; \
-	GETCHAR(citype, p); \
-	GETCHAR(cilen, p); \
-	if (cilen != CILEN_PROTOCOL || citype != opt) \
-	    break; \
-	len -= cilen; \
-	if (len < 0) \
-	    break; \
-	GETSHORT(cishort, p); \
-	if (cishort != to_external (val) || cishort == RIP_SAP) \
-	    break; \
-      }
-/*
- * Process the ACK frame in the order in which the frame was assembled
- */
-    do {
-	ACKCINETWORK  (IPX_NETWORK_NUMBER,  go->neg_nn,	    go->our_network);
-	ACKCINODE     (IPX_NODE_NUMBER,	    go->neg_node,   go->our_node);
-	ACKCINAME     (IPX_ROUTER_NAME,	    go->neg_name,   go->name);
-	ACKCIPROTO    (IPX_ROUTER_PROTOCOL, go->neg_router, go->router);
-	ACKCIPROTO    (IPX_ROUTER_PROTOCOL, go->neg_router, go->router);
-	ACKCIPROTO    (IPX_ROUTER_PROTOCOL, go->neg_router, go->router);
-/*
- * This is the end of the record.
- */
-	if (len == 0)
-	    return (1);
-    } while (0);
-/*
- * The frame is invalid
- */
-    IPXCPDEBUG((LOG_INFO, "ipxcp_ackci: received bad Ack!"));
-    return (0);
-}
-
-/*
- * ipxcp_nakci - Peer has sent a NAK for some of our CIs.
- * This should not modify any state if the Nak is bad
- * or if IPXCP is in the OPENED state.
- *
- * Returns:
- *	0 - Nak was bad.
- *	1 - Nak was good.
- */
-
-static int
-ipxcp_nakci(f, p, len)
-    fsm *f;
-    u_char *p;
-    int len;
-{
-    int unit = f->unit;
-    u_char citype, cilen, *next;
-    u_short s;
-    u_int32_t l;
-    ipxcp_options no;		/* options we've seen Naks for */
-    ipxcp_options try;		/* options to request next time */
-
-    BZERO(&no, sizeof(no));
-    try = *go;
-
-    while (len > CILEN_VOID) {
-	GETCHAR (citype, p);
-	GETCHAR (cilen,	 p);
-	len -= cilen;
-	if (len < 0)
-	    goto bad;
-	next = &p [cilen - CILEN_VOID];
-
-	switch (citype) {
-	case IPX_NETWORK_NUMBER:
-	    if (!go->neg_nn || no.neg_nn || (cilen != CILEN_NETN))
-		goto bad;
-	    no.neg_nn = 1;
-
-	    GETLONG(l, p);
-	    IPXCPDEBUG((LOG_INFO, "local IP address %d", l));
-	    if (l && ao->accept_network)
-		try.our_network = l;
-	    break;
-
-	case IPX_NODE_NUMBER:
-	    if (!go->neg_node || no.neg_node || (cilen != CILEN_NODEN))
-		goto bad;
-	    no.neg_node = 1;
-
-	    IPXCPDEBUG((LOG_INFO,
-			"local node number %02X%02X%02X%02X%02X%02X",
-			NODE(p)));
-
-	    if (!zero_node (p) && ao->accept_local &&
-		! compare_node (p, ho->his_node))
-		copy_node (p, try.our_node);
-	    break;
-
-	    /* This has never been sent. Ignore the NAK frame */
-	case IPX_COMPRESSION_PROTOCOL:
-	    goto bad;
-
-	case IPX_ROUTER_PROTOCOL:
-	    if (!go->neg_router || (cilen < CILEN_PROTOCOL))
-		goto bad;
-
-	    GETSHORT (s, p);
-	    if (s > 15)         /* This is just bad, but ignore for now. */
-	        break;
-
-	    s = BIT(s);
-	    if (no.router & s)  /* duplicate NAKs are always bad */
-		goto bad;
-
-	    if (no.router == 0) /* Reset on first NAK only */
-		try.router = 0;
-
-	    no.router      |= s;
-	    try.router     |= s;
-	    try.neg_router  = 1;
-
-	    IPXCPDEBUG((LOG_INFO, "Router protocol number %d", s));
-	    break;
-
-	    /* These, according to the RFC, must never be NAKed. */
-	case IPX_ROUTER_NAME:
-	case IPX_COMPLETE:
-	    goto bad;
-
-	    /* These are for options which we have not seen. */
-	default:
-	    break;
-	}
-	p = next;
-    }
-
-    /* If there is still anything left, this packet is bad. */
-    if (len != 0)
-	goto bad;
-
-    /*
-     * Do not permit the peer to force a router protocol which we do not
-     * support. However, default to the condition that will accept "NONE".
-     */
-    try.router &= (ao->router | BIT(IPX_NONE));
-    if (try.router == 0 && ao->router != 0)
-	try.router = BIT(IPX_NONE);
-
-    if (try.router != 0)
-        try.neg_router = 1;
-    
-    /*
-     * OK, the Nak is good.  Now we can update state.
-     */
-    if (f->state != OPENED)
-	*go = try;
-
-    return 1;
-
-bad:
-    IPXCPDEBUG((LOG_INFO, "ipxcp_nakci: received bad Nak!"));
-    return 0;
-}
-
-/*
- * ipxcp_rejci - Reject some of our CIs.
- */
-static int
-ipxcp_rejci(f, p, len)
-    fsm *f;
-    u_char *p;
-    int len;
-{
-    int unit = f->unit;
-    u_short cilen, citype, cishort;
-    u_char cichar;
-    u_int32_t cilong;
-    ipxcp_options try;		/* options to request next time */
-
-#define REJCINETWORK(opt, neg, val) \
-    if (neg && p[0] == opt) { \
-	if ((len -= CILEN_NETN) < 0) \
-	    break; \
-	GETCHAR(citype, p); \
-	GETCHAR(cilen, p); \
-	if (cilen != CILEN_NETN || \
-	    citype != opt) \
-	    break; \
-	GETLONG(cilong, p); \
-	if (cilong != val) \
-	    break; \
-	IPXCPDEBUG((LOG_INFO,"ipxcp_rejci rejected long opt %d", opt)); \
-	neg = 0; \
-    }
-
-#define REJCICHARS(opt, neg, val, cnt) \
-    if (neg && p[0] == opt) { \
-	int indx, count = cnt; \
-	len -= (count + 2); \
-	if (len < 0) \
-	    break; \
-	GETCHAR(citype, p); \
-	GETCHAR(cilen, p); \
-	if (cilen != (count + 2) || \
-	    citype != opt) \
-	    break; \
-	for (indx = 0; indx < count; ++indx) {\
-	    GETCHAR(cichar, p); \
-	    if (cichar != ((u_char *) &val)[indx]) \
-	       break; \
-	}\
-	if (indx != count) \
-	    break; \
-	IPXCPDEBUG((LOG_INFO,"ipxcp_rejci rejected opt %d", opt)); \
-	neg = 0; \
-    }
-
-#define REJCINODE(opt,neg,val) REJCICHARS(opt,neg,val,sizeof(val))
-#define REJCINAME(opt,neg,val) REJCICHARS(opt,neg,val,strlen(val))
-
-#define REJCIVOID(opt, neg) \
-    if (neg && p[0] == opt) { \
-	if ((len -= CILEN_VOID) < 0) \
-	    break; \
-	GETCHAR(citype, p); \
-	GETCHAR(cilen, p); \
-	if (cilen != CILEN_VOID || citype != opt) \
-	    break; \
-	IPXCPDEBUG((LOG_INFO, "ipxcp_rejci rejected void opt %d", opt)); \
-	neg = 0; \
-    }
-
-/* a reject for RIP/SAP is invalid since we don't send it and you can't
-   reject something which is not sent. (You can NAK, but you can't REJ.) */
-#define REJCIPROTO(opt, neg, val, bit) \
-    if (neg && p[0] == opt) { \
-	if ((len -= CILEN_PROTOCOL) < 0) \
-	    break; \
-	GETCHAR(citype, p); \
-	GETCHAR(cilen, p); \
-	if (cilen != CILEN_PROTOCOL) \
-	    break; \
-	GETSHORT(cishort, p); \
-	if (cishort != to_external (val) || cishort == RIP_SAP) \
-	    break; \
-	IPXCPDEBUG((LOG_INFO, "ipxcp_rejci short opt %d", opt)); \
-	neg = 0; \
-    }
-/*
- * Any Rejected CIs must be in exactly the same order that we sent.
- * Check packet length and CI length at each step.
- * If we find any deviations, then this packet is bad.
- */
-    try = *go;
-
-    do {
-	REJCINETWORK (IPX_NETWORK_NUMBER,  try.neg_nn,	   try.our_network);
-	REJCINODE    (IPX_NODE_NUMBER,	   try.neg_node,   try.our_node);
-	REJCINAME    (IPX_ROUTER_NAME,	   try.neg_name,   try.name);
-	REJCIPROTO   (IPX_ROUTER_PROTOCOL, try.neg_router, try.router, 0);
-/*
- * This is the end of the record.
- */
-	if (len == 0) {
-	    if (f->state != OPENED)
-		*go = try;
-	    return (1);
-	}
-    } while (0);
-/*
- * The frame is invalid at this point.
- */
-    IPXCPDEBUG((LOG_INFO, "ipxcp_rejci: received bad Reject!"));
-    return 0;
-}
-
-/*
- * ipxcp_reqci - Check the peer's requested CIs and send appropriate response.
- *
- * Returns: CONFACK, CONFNAK or CONFREJ and input packet modified
- * appropriately.  If reject_if_disagree is non-zero, doesn't return
- * CONFNAK; returns CONFREJ if it can't return CONFACK.
- */
-static int
-ipxcp_reqci(f, inp, len, reject_if_disagree)
-    fsm *f;
-    u_char *inp;		/* Requested CIs */
-    int *len;			/* Length of requested CIs */
-    int reject_if_disagree;
-{
-    int unit = f->unit;
-    u_char *cip, *next;		/* Pointer to current and next CIs */
-    u_short cilen, citype;	/* Parsed len, type */
-    u_short cishort, ts;	/* Parsed short value */
-    u_int32_t tl, cinetwork, outnet;/* Parsed address values */
-    int rc = CONFACK;		/* Final packet return code */
-    int orc;			/* Individual option return code */
-    u_char *p;			/* Pointer to next char to parse */
-    u_char *ucp = inp;		/* Pointer to current output char */
-    int l = *len;		/* Length left */
-    u_char maxslotindex, cflag;
-
-    /*
-     * Reset all his options.
-     */
-    BZERO(ho, sizeof(*ho));
-    
-    /*
-     * Process all his options.
-     */
-    next = inp;
-    while (l) {
-	orc = CONFACK;			/* Assume success */
-	cip = p = next;			/* Remember begining of CI */
-	if (l < 2 ||			/* Not enough data for CI header or */
-	    p[1] < 2 ||			/*  CI length too small or */
-	    p[1] > l) {			/*  CI length too big? */
-	    IPXCPDEBUG((LOG_INFO, "ipxcp_reqci: bad CI length!"));
-	    orc = CONFREJ;		/* Reject bad CI */
-	    cilen = l;			/* Reject till end of packet */
-	    l = 0;			/* Don't loop again */
-	    goto endswitch;
-	}
-	GETCHAR(citype, p);		/* Parse CI type */
-	GETCHAR(cilen, p);		/* Parse CI length */
-	l -= cilen;			/* Adjust remaining length */
-	next += cilen;			/* Step to next CI */
-
-	switch (citype) {		/* Check CI type */
-/*
- * The network number must match. Choose the larger of the two.
- */
-	case IPX_NETWORK_NUMBER:
-	    IPXCPDEBUG((LOG_INFO, "ipxcp: received Network Number request"));
-	    
-	    /* if we wont negotiate the network number or the length is wrong
-	       then reject the option */
-	    if ( !ao->neg_nn || cilen != CILEN_NETN ) {
-		orc = CONFREJ;
-		break;		
-	    }
-	    GETLONG(cinetwork, p);
-	    IPXCPDEBUG((LOG_INFO,"Remote proposed IPX network number is %8Lx",tl));
-
-	    /* If the network numbers match then acknowledge them. */
-	    if (cinetwork != 0) {
-		ho->his_network = cinetwork;
-		ho->neg_nn	= 1;
-		if (wo->our_network == cinetwork)
-		    break;
-/*
- * If the network number is not given or we don't accept their change or
- * the network number is too small then NAK it.
- */
-		if (! ao->accept_network || cinetwork < wo->our_network) {
-		    DECPTR (sizeof (u_int32_t), p);
-		    PUTLONG (wo->our_network, p);
-		    orc = CONFNAK;
-		}
-		break;
-	    }
-/*
- * The peer sent '0' for the network. Give it ours if we have one.
- */
-	    if (go->our_network != 0) {
-		DECPTR (sizeof (u_int32_t), p);
-		PUTLONG (wo->our_network, p);
-		orc = CONFNAK;
-/*
- * We don't have one. Reject the value.
- */
-	    } else
-		orc = CONFREJ;
-
-	    break;
-/*
- * The node number is required
- */
-	case IPX_NODE_NUMBER:
-	    IPXCPDEBUG((LOG_INFO, "ipxcp: received Node Number request"));
-
-	    /* if we wont negotiate the node number or the length is wrong
-	       then reject the option */
-	    if ( cilen != CILEN_NODEN ) {
-		orc = CONFREJ;
-		break;
-	    }
-
-	    copy_node (p, ho->his_node);
-	    ho->neg_node = 1;
-/*
- * If the remote does not have a number and we do then NAK it with the value
- * which we have for it. (We never have a default value of zero.)
- */
-	    if (zero_node (ho->his_node)) {
-		orc = CONFNAK;
-		copy_node (wo->his_node, p);
-		INCPTR (sizeof (wo->his_node), p);
-		break;
-	    }
-/*
- * If you have given me the expected network node number then I'll accept
- * it now.
- */
-	    if (compare_node (wo->his_node, ho->his_node)) {
-		orc = CONFACK;
-		ho->neg_node = 1;
-		INCPTR (sizeof (wo->his_node), p);
-		break;
-	    }
-/*
- * If his node number is the same as ours then ask him to try the next
- * value.
- */
-	    if (compare_node (ho->his_node, go->our_node)) {
-		inc_node (ho->his_node);
-		orc = CONFNAK;
-		copy_node (ho->his_node, p);
-		INCPTR (sizeof (wo->his_node), p);
-		break;
-	    }
-/*
- * If we don't accept a new value then NAK it.
- */
-	    if (! ao->accept_remote) {
-		copy_node (wo->his_node, p);
-		INCPTR (sizeof (wo->his_node), p);
-		orc = CONFNAK;
-		break;
-	    }
-	    orc = CONFACK;
-	    ho->neg_node = 1;
-	    INCPTR (sizeof (wo->his_node), p);
-	    break;
-/*
- * Compression is not desired at this time. It is always rejected.
- */
-	case IPX_COMPRESSION_PROTOCOL:
-	    IPXCPDEBUG((LOG_INFO, "ipxcp: received Compression Protocol request "));
-	    orc = CONFREJ;
-	    break;
-/*
- * The routing protocol is a bitmask of various types. Any combination
- * of the values RIP_SAP and NLSP are permissible. 'IPX_NONE' for no
- * routing protocol must be specified only once.
- */
-	case IPX_ROUTER_PROTOCOL:
-	    if ( !ao->neg_router || cilen < CILEN_PROTOCOL ) {
-		orc = CONFREJ;
-		break;		
-	    }
-
-	    GETSHORT (cishort, p);
-	    IPXCPDEBUG((LOG_INFO,
-			"Remote router protocol number 0x%04x",
-			cishort));
-
-	    if (wo->neg_router == 0) {
-	        wo->neg_router = 1;
-		wo->router     = BIT(IPX_NONE);
-	    }
-
-	    if ((cishort == IPX_NONE && ho->router != 0) ||
-		(ho->router & BIT(IPX_NONE))) {
-		orc = CONFREJ;
-		break;
-	    }
-
-	    cishort = BIT(cishort);
-	    if (ho->router & cishort) {
-		orc = CONFREJ;
-		break;
-	    }
-
-	    ho->router	  |= cishort;
-	    ho->neg_router = 1;
-
-	    /* Finally do not allow a router protocol which we do not
-	       support. */
-
-	    if ((cishort & (ao->router | BIT(IPX_NONE))) == 0) {
-	        int protocol;
-
-		if (cishort == BIT(NLSP) &&
-		    (ao->router & BIT(RIP_SAP)) &&
-		    !wo->tried_rip) {
-		    protocol      = RIP_SAP;
-		    wo->tried_rip = 1;
-		} else
-		    protocol = IPX_NONE;
-
-		DECPTR (sizeof (u_int16_t), p);
-		PUTSHORT (protocol, p);
-		orc = CONFNAK;
-	    }
-	    break;
-/*
- * The router name is advisorary. Just accept it if it is not too large.
- */
-	case IPX_ROUTER_NAME:
-	    IPXCPDEBUG((LOG_INFO, "ipxcp: received Router Name request"));
-	    if (cilen >= CILEN_NAME) {
-		int name_size = cilen - CILEN_NAME;
-		if (name_size > sizeof (ho->name))
-		    name_size = sizeof (ho->name) - 1;
-		memset (ho->name, 0, sizeof (ho->name));
-		memcpy (ho->name, p, name_size);
-		ho->name [name_size] = '\0';
-		ho->neg_name = 1;
-		orc = CONFACK;
-		break;
-	    }
-	    orc = CONFREJ;
-	    break;
-/*
- * This is advisorary.
- */
-	case IPX_COMPLETE:
-	    IPXCPDEBUG((LOG_INFO, "ipxcp: received Complete request"));
-	    if (cilen != CILEN_COMPLETE)
-		orc = CONFREJ;
-	    else {
-		ho->neg_complete = 1;
-		orc = CONFACK;
-	    }
-	    break;
-/*
- * All other entries are not known at this time.
- */
-	default:
-	    IPXCPDEBUG((LOG_INFO, "ipxcp: received Complete request"));
-	    orc = CONFREJ;
-	    break;
-	}
-
-endswitch:
-	IPXCPDEBUG((LOG_INFO, " (%s)\n", CODENAME(orc)));
-
-	if (orc == CONFACK &&		/* Good CI */
-	    rc != CONFACK)		/*  but prior CI wasnt? */
-	    continue;			/* Don't send this one */
-
-	if (orc == CONFNAK) {		/* Nak this CI? */
-	    if (reject_if_disagree)	/* Getting fed up with sending NAKs? */
-		orc = CONFREJ;		/* Get tough if so */
-	    if (rc == CONFREJ)		/* Rejecting prior CI? */
-		continue;		/* Don't send this one */
-	    if (rc == CONFACK) {	/* Ack'd all prior CIs? */
-		rc  = CONFNAK;		/* Not anymore... */
-		ucp = inp;		/* Backup */
-	    }
-	}
-
-	if (orc == CONFREJ &&		/* Reject this CI */
-	    rc != CONFREJ) {		/*  but no prior ones? */
-	    rc = CONFREJ;
-	    ucp = inp;			/* Backup */
-	}
-
-	/* Need to move CI? */
-	if (ucp != cip)
-	    BCOPY(cip, ucp, cilen);	/* Move it */
-
-	/* Update output pointer */
-	INCPTR(cilen, ucp);
-    }
-
-    /*
-     * If we aren't rejecting this packet, and we want to negotiate
-     * their address, and they didn't send their address, then we
-     * send a NAK with a IPX_NODE_NUMBER option appended. We assume the
-     * input buffer is long enough that we can append the extra
-     * option safely.
-     */
-
-    if (rc != CONFREJ && !ho->neg_node &&
-	wo->req_nn && !reject_if_disagree) {
-	u_char *ps;
-	if (rc == CONFACK) {
-	    rc = CONFNAK;
-	    wo->req_nn = 0;		/* don't ask again */
-	    ucp = inp;			/* reset pointer */
-	}
-
-	if (zero_node (wo->his_node))
-	    inc_node (wo->his_node);
-
-	PUTCHAR (IPX_NODE_NUMBER, ucp);
-	PUTCHAR (CILEN_NODEN, ucp);
-	copy_node (wo->his_node, ucp);
-	INCPTR (sizeof (wo->his_node), ucp);
-    }
-
-    *len = ucp - inp;			/* Compute output length */
-    IPXCPDEBUG((LOG_INFO, "ipxcp: returning Configure-%s", CODENAME(rc)));
-    return (rc);			/* Return final code */
-}
-
-/*
- * ipxcp_up - IPXCP has come UP.
- *
- * Configure the IP network interface appropriately and bring it up.
- */
-
-static void
-ipxcp_up(f)
-    fsm *f;
-{
-    int unit = f->unit;
-
-    IPXCPDEBUG((LOG_INFO, "ipxcp: up"));
-
-    /* The default router protocol is RIP/SAP. */
-    if (ho->router == 0)
-        ho->router = BIT(RIP_SAP);
-
-    if (go->router == 0)
-        go->router = BIT(RIP_SAP);
-
-    /* Fetch the network number */
-    if (!ho->neg_nn)
-	ho->his_network = wo->his_network;
-
-    if (!ho->neg_node)
-	copy_node (wo->his_node, ho->his_node);
-
-    if (!wo->neg_node && !go->neg_node)
-	copy_node (wo->our_node, go->our_node);
-
-    if (zero_node (go->our_node)) {
-        static char errmsg[] = "Could not determine local IPX node address";
-	IPXCPDEBUG((LOG_ERR, errmsg));
-	ipxcp_close(f->unit, errmsg);
-	return;
-    }
-
-    go->network = go->our_network;
-    if (ho->his_network != 0 && ho->his_network > go->network)
-	go->network = ho->his_network;
-
-    if (go->network == 0) {
-        static char errmsg[] = "Can not determine network number";
-	IPXCPDEBUG((LOG_ERR, errmsg));
-	ipxcp_close (unit, errmsg);
-	return;
-    }
-
-    /* bring the interface up */
-    if (!sifup(unit)) {
-	IPXCPDEBUG((LOG_WARNING, "sifup failed"));
-	ipxcp_close(unit, "Interface configuration failed");
-	return;
-    }
-
-    /* set the network number for IPX */
-    if (!sipxfaddr(unit, go->network, go->our_node)) {
-	IPXCPDEBUG((LOG_WARNING, "sipxfaddr failed"));
-	ipxcp_close(unit, "Interface configuration failed");
-	return;
-    }
-
-    /*
-     * Execute the ipx-up script, like this:
-     *	/etc/ppp/ipx-up interface tty speed local-IPX remote-IPX
-     */
-
-    ipxcp_script (f, _PATH_IPXUP);
-}
-
-/*
- * ipxcp_down - IPXCP has gone DOWN.
- *
- * Take the IP network interface down, clear its addresses
- * and delete routes through it.
- */
-
-static void
-ipxcp_down(f)
-    fsm *f;
-{
-    u_int32_t ournn, network;
-
-    IPXCPDEBUG((LOG_INFO, "ipxcp: down"));
-
-    cipxfaddr (f->unit);
-    sifdown(f->unit);
-    ipxcp_script (f, _PATH_IPXDOWN);
-}
-
-
-/*
- * ipxcp_script - Execute a script with arguments
- * interface-name tty-name speed local-IPX remote-IPX networks.
- */
-static void
-ipxcp_script(f, script)
-    fsm *f;
-    char *script;
-{
-    int	 unit = f->unit;
-    char strspeed[32],	 strlocal[32],	   strremote[32];
-    char strnetwork[32], strpid[32];
-    char *argv[14],	 strproto_lcl[32], strproto_rmt[32];
-
-    sprintf (strpid,   "%d", getpid());
-    sprintf (strspeed, "%d", baud_rate);
-
-    strproto_lcl[0] = '\0';
-    if (go->neg_router && ((go->router & BIT(IPX_NONE)) == 0)) {
-	if (go->router & BIT(RIP_SAP))
-	    strcpy (strproto_lcl, "RIP ");
-	if (go->router & BIT(NLSP))
-	    strcat (strproto_lcl, "NLSP ");
-    }
-
-    if (strproto_lcl[0] == '\0')
-	strcpy (strproto_lcl, "NONE ");
-
-    strproto_lcl[strlen (strproto_lcl)-1] = '\0';
-
-    strproto_rmt[0] = '\0';
-    if (ho->neg_router && ((ho->router & BIT(IPX_NONE)) == 0)) {
-	if (ho->router & BIT(RIP_SAP))
-	    strcpy (strproto_rmt, "RIP ");
-	if (ho->router & BIT(NLSP))
-	    strcat (strproto_rmt, "NLSP ");
-    }
-
-    if (strproto_rmt[0] == '\0')
-	strcpy (strproto_rmt, "NONE ");
-
-    strproto_rmt[strlen (strproto_rmt)-1] = '\0';
-
-    strcpy (strnetwork, ipx_ntoa (go->network));
-
-    sprintf (strlocal,
-	     "%02X%02X%02X%02X%02X%02X",
-	     NODE(go->our_node));
-
-    sprintf (strremote,
-	     "%02X%02X%02X%02X%02X%02X",
-	     NODE(ho->his_node));
-
-    argv[0]  = script;
-    argv[1]  = ifname;
-    argv[2]  = devnam;
-    argv[3]  = strspeed;
-    argv[4]  = strnetwork;
-    argv[5]  = strlocal;
-    argv[6]  = strremote;
-    argv[7]  = strproto_lcl;
-    argv[8]  = strproto_rmt;
-    argv[9]  = go->name;
-    argv[10] = ho->name;
-    argv[11] = ipparam;
-    argv[12] = strpid;
-    argv[13] = NULL;
-    run_program(script, argv, 0);
-}
-
-/*
- * ipxcp_printpkt - print the contents of an IPXCP packet.
- */
-static char *ipxcp_codenames[] = {
-    "ConfReq", "ConfAck", "ConfNak", "ConfRej",
-    "TermReq", "TermAck", "CodeRej"
-};
-
-static int
-ipxcp_printpkt(p, plen, printer, arg)
-    u_char *p;
-    int plen;
-    void (*printer) __P((void *, char *, ...));
-    void *arg;
-{
-    int code, id, len, olen;
-    u_char *pstart, *optend;
-    u_short cishort;
-    u_int32_t cilong;
-
-    if (plen < HEADERLEN)
-	return 0;
-    pstart = p;
-    GETCHAR(code, p);
-    GETCHAR(id, p);
-    GETSHORT(len, p);
-    if (len < HEADERLEN || len > plen)
-	return 0;
-
-    if (code >= 1 && code <= sizeof(ipxcp_codenames) / sizeof(char *))
-	printer(arg, " %s", ipxcp_codenames[code-1]);
-    else
-	printer(arg, " code=0x%x", code);
-    printer(arg, " id=0x%x", id);
-    len -= HEADERLEN;
-    switch (code) {
-    case CONFREQ:
-    case CONFACK:
-    case CONFNAK:
-    case CONFREJ:
-	/* print option list */
-	while (len >= 2) {
-	    GETCHAR(code, p);
-	    GETCHAR(olen, p);
-	    p -= 2;
-	    if (olen < CILEN_VOID || olen > len) {
-		break;
-	    }
-	    printer(arg, " <");
-	    len -= olen;
-	    optend = p + olen;
-	    switch (code) {
-	    case IPX_NETWORK_NUMBER:
-		if (olen == CILEN_NETN) {
-		    p += 2;
-		    GETLONG(cilong, p);
-		    printer (arg, "network %s", ipx_ntoa (cilong));
-		}
-		break;
-	    case IPX_NODE_NUMBER:
-		if (olen == CILEN_NODEN) {
-		    p += 2;
-		    printer (arg, "node ");
-		    while (p < optend) {
-			GETCHAR(code, p);
-			printer(arg, "%.2x", (int) (unsigned int) (unsigned char) code);
-		    }
-		}
-		break;
-	    case IPX_COMPRESSION_PROTOCOL:
-		if (olen == CILEN_COMPRESS) {
-		    p += 2;
-		    GETSHORT (cishort, p);
-		    printer (arg, "compression %d", (int) cishort);
-		}
-		break;
-	    case IPX_ROUTER_PROTOCOL:
-		if (olen == CILEN_PROTOCOL) {
-		    p += 2;
-		    GETSHORT (cishort, p);
-		    printer (arg, "router proto %d", (int) cishort);
-		}
-		break;
-	    case IPX_ROUTER_NAME:
-		if (olen >= CILEN_NAME) {
-		    p += 2;
-		    printer (arg, "router name \"");
-		    while (p < optend) {
-			GETCHAR(code, p);
-			if (code >= 0x20 && code <= 0x7E)
-			    printer (arg, "%c", (int) (unsigned int) (unsigned char) code);
-			else
-			    printer (arg, " \\%.2x", (int) (unsigned int) (unsigned char) code);
-		    }
-		    printer (arg, "\"");
-		}
-		break;
-	    case IPX_COMPLETE:
-		if (olen == CILEN_COMPLETE) {
-		    p += 2;
-		    printer (arg, "complete");
-		}
-		break;
-	    default:
-		break;
-	    }
-
-	    while (p < optend) {
-		GETCHAR(code, p);
-		printer(arg, " %.2x", (int) (unsigned int) (unsigned char) code);
-	    }
-	    printer(arg, ">");
-	}
-	break;
-
-    case TERMACK:
-    case TERMREQ:
-	if (len > 0 && *p >= ' ' && *p < 0x7f) {
-	    printer(arg, " ");
-	    print_string(p, len, printer, arg);
-	    p += len;
-	    len = 0;
-	}
-	break;
-    }
-
-    /* print the rest of the bytes in the packet */
-    for (; len > 0; --len) {
-	GETCHAR(code, p);
-	printer(arg, " %.2x", (int) (unsigned int) (unsigned char) code);
-    }
-
-    return p - pstart;
-}
-#endif /* ifdef IPX_CHANGE */
diff --git a/usr.sbin/pppd/ipxcp.h b/usr.sbin/pppd/ipxcp.h
deleted file mode 100644
index 62385b0..0000000
--- a/usr.sbin/pppd/ipxcp.h
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * ipxcp.h - IPX Control Protocol definitions.
- *
- * Copyright (c) 1989 Carnegie Mellon University.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms are permitted
- * provided that the above copyright notice and this paragraph are
- * duplicated in all such forms and that any documentation,
- * advertising materials, and other materials related to such
- * distribution and use acknowledge that the software was developed
- * by Carnegie Mellon University.  The name of the
- * University may not be used to endorse or promote products derived
- * from this software without specific prior written permission.
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
- * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
- * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
- *
- * $Id: ipxcp.h,v 1.3 1997/03/04 03:39:33 paulus Exp $
- */
-
-/*
- * Options.
- */
-#define IPX_NETWORK_NUMBER        1   /* IPX Network Number */
-#define IPX_NODE_NUMBER           2
-#define IPX_COMPRESSION_PROTOCOL  3
-#define IPX_ROUTER_PROTOCOL       4
-#define IPX_ROUTER_NAME           5
-#define IPX_COMPLETE              6
-
-/* Values for the router protocol */
-#define IPX_NONE		  0
-#define RIP_SAP			  2
-#define NLSP			  4
-
-typedef struct ipxcp_options {
-    int neg_node       : 1;	/* Negotiate IPX node number? */
-    int req_node       : 1;	/* Ask peer to send IPX node number? */
-
-    int neg_nn         : 1;	/* Negotiate IPX network number? */
-    int req_nn         : 1;     /* Ask peer to send IPX network number */
-
-    int neg_name       : 1;	/* Negotiate IPX router name */
-    int neg_complete   : 1;     /* Negotiate completion */
-    int neg_router     : 1;	/* Negotiate IPX router number */
-
-    int accept_local   : 1;	/* accept peer's value for ournode */
-    int accept_remote  : 1;	/* accept peer's value for hisnode */
-    int accept_network : 1;	/* accept network number */
-
-    int tried_nlsp     : 1;     /* I have suggested NLSP already */
-    int tried_rip      : 1;     /* I have suggested RIP/SAP already */
-
-    u_int32_t his_network;	/* base network number */
-    u_int32_t our_network;	/* our value for network number */
-    u_int32_t network;		/* the final network number */
-
-    u_char his_node[6];		/* peer's node number */
-    u_char our_node[6];		/* our node number */
-    u_char name [48];		/* name of the router */
-    int    router;		/* routing protocol */
-} ipxcp_options;
-
-extern fsm ipxcp_fsm[];
-extern ipxcp_options ipxcp_wantoptions[];
-extern ipxcp_options ipxcp_gotoptions[];
-extern ipxcp_options ipxcp_allowoptions[];
-extern ipxcp_options ipxcp_hisoptions[];
-
-extern struct protent ipxcp_protent;