Remove (Moved to cpukit).

1 files changed, 0 insertions, 638 deletions

diff --git a/c/src/libnetworking/pppd/upap.c b/c/src/libnetworking/pppd/upap.c
deleted file mode 100644
index dc6be8a98b..0000000000
--- a/c/src/libnetworking/pppd/upap.c
+++ /dev/null
@@ -1,638 +0,0 @@
-/*
- * upap.c - User/Password Authentication 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.
- */
-
-#define RCSID	"$Id$"
-
-/*
- * TODO:
- */
-
-#include <stdio.h>
-#include <string.h>
-
-#include "pppd.h"
-#include "upap.h"
-
-static const char rcsid[] = RCSID;
-
-static bool hide_password = 1;
-
-/*
- * Command-line options.
- */
-static option_t pap_option_list[] = {
-    { "hide-password", o_bool, &hide_password,
-      "Don't output passwords to log", 1 },
-    { "show-password", o_bool, &hide_password,
-      "Show password string in debug log messages", 0 },
-    { "pap-restart", o_int, &upap[0].us_timeouttime,
-      "Set retransmit timeout for PAP" },
-    { "pap-max-authreq", o_int, &upap[0].us_maxtransmits,
-      "Set max number of transmissions for auth-reqs" },
-    { "pap-timeout", o_int, &upap[0].us_reqtimeout,
-      "Set time limit for peer PAP authentication" },
-    { NULL }
-};
-
-/*
- * Protocol entry points.
- */
-static void upap_init __P((int));
-static void upap_lowerup __P((int));
-static void upap_lowerdown __P((int));
-static void upap_input __P((int, u_char *, int));
-static void upap_protrej __P((int));
-static int  upap_printpkt __P((u_char *, int,
-			       void (*) __P((void *, char *, ...)), void *));
-
-struct protent pap_protent = {
-    PPP_PAP,
-    upap_init,
-    upap_input,
-    upap_protrej,
-    upap_lowerup,
-    upap_lowerdown,
-    NULL,
-    NULL,
-    upap_printpkt,
-    NULL,
-    1,
-    "PAP",
-    NULL,
-    pap_option_list,
-    NULL,
-    NULL,
-    NULL
-};
-
-upap_state upap[NUM_PPP];		/* UPAP state; one for each unit */
-
-static void upap_timeout __P((void *));
-static void upap_reqtimeout __P((void *));
-static void upap_rauthreq __P((upap_state *, u_char *, int, int));
-static void upap_rauthack __P((upap_state *, u_char *, int, int));
-static void upap_rauthnak __P((upap_state *, u_char *, int, int));
-static void upap_sauthreq __P((upap_state *));
-static void upap_sresp __P((upap_state *, u_char, u_char, char *, int));
-
-
-/*
- * upap_init - Initialize a UPAP unit.
- */
-static void
-upap_init(unit)
-    int unit;
-{
-    upap_state *u = &upap[unit];
-
-    u->us_unit = unit;
-    u->us_user = NULL;
-    u->us_userlen = 0;
-    u->us_passwd = NULL;
-    u->us_passwdlen = 0;
-    u->us_clientstate = UPAPCS_INITIAL;
-    u->us_serverstate = UPAPSS_INITIAL;
-    u->us_id = 0;
-    u->us_timeouttime = UPAP_DEFTIMEOUT;
-    u->us_maxtransmits = 10;
-    u->us_reqtimeout = UPAP_DEFREQTIME;
-}
-
-
-/*
- * upap_authwithpeer - Authenticate us with our peer (start client).
- *
- * Set new state and send authenticate's.
- */
-void
-upap_authwithpeer(unit, user, password)
-    int unit;
-    char *user, *password;
-{
-    upap_state *u = &upap[unit];
-
-    /* Save the username and password we're given */
-    u->us_user = user;
-    u->us_userlen = strlen(user);
-    u->us_passwd = password;
-    u->us_passwdlen = strlen(password);
-    u->us_transmits = 0;
-
-    /* Lower layer up yet? */
-    if (u->us_clientstate == UPAPCS_INITIAL ||
-	u->us_clientstate == UPAPCS_PENDING) {
-	u->us_clientstate = UPAPCS_PENDING;
-	return;
-    }
-
-    upap_sauthreq(u);			/* Start protocol */
-}
-
-
-/*
- * upap_authpeer - Authenticate our peer (start server).
- *
- * Set new state.
- */
-void
-upap_authpeer(unit)
-    int unit;
-{
-    upap_state *u = &upap[unit];
-
-    /* Lower layer up yet? */
-    if (u->us_serverstate == UPAPSS_INITIAL ||
-	u->us_serverstate == UPAPSS_PENDING) {
-	u->us_serverstate = UPAPSS_PENDING;
-	return;
-    }
-
-    u->us_serverstate = UPAPSS_LISTEN;
-    if (u->us_reqtimeout > 0)
-	TIMEOUT(upap_reqtimeout, u, u->us_reqtimeout);
-}
-
-
-/*
- * upap_timeout - Retransmission timer for sending auth-reqs expired.
- */
-static void
-upap_timeout(arg)
-    void *arg;
-{
-    upap_state *u = (upap_state *) arg;
-
-    if (u->us_clientstate != UPAPCS_AUTHREQ)
-	return;
-
-    if (u->us_transmits >= u->us_maxtransmits) {
-	/* give up in disgust */
-	error("No response to PAP authenticate-requests");
-	u->us_clientstate = UPAPCS_BADAUTH;
-	auth_withpeer_fail(u->us_unit, PPP_PAP);
-	return;
-    }
-
-    upap_sauthreq(u);		/* Send Authenticate-Request */
-}
-
-
-/*
- * upap_reqtimeout - Give up waiting for the peer to send an auth-req.
- */
-static void
-upap_reqtimeout(arg)
-    void *arg;
-{
-    upap_state *u = (upap_state *) arg;
-
-    if (u->us_serverstate != UPAPSS_LISTEN)
-	return;			/* huh?? */
-
-    auth_peer_fail(u->us_unit, PPP_PAP);
-    u->us_serverstate = UPAPSS_BADAUTH;
-}
-
-
-/*
- * upap_lowerup - The lower layer is up.
- *
- * Start authenticating if pending.
- */
-static void
-upap_lowerup(unit)
-    int unit;
-{
-    upap_state *u = &upap[unit];
-
-    if (u->us_clientstate == UPAPCS_INITIAL)
-	u->us_clientstate = UPAPCS_CLOSED;
-    else if (u->us_clientstate == UPAPCS_PENDING) {
-	upap_sauthreq(u);	/* send an auth-request */
-    }
-
-    if (u->us_serverstate == UPAPSS_INITIAL)
-	u->us_serverstate = UPAPSS_CLOSED;
-    else if (u->us_serverstate == UPAPSS_PENDING) {
-	u->us_serverstate = UPAPSS_LISTEN;
-	if (u->us_reqtimeout > 0)
-	    TIMEOUT(upap_reqtimeout, u, u->us_reqtimeout);
-    }
-}
-
-
-/*
- * upap_lowerdown - The lower layer is down.
- *
- * Cancel all timeouts.
- */
-static void
-upap_lowerdown(unit)
-    int unit;
-{
-    upap_state *u = &upap[unit];
-
-    if (u->us_clientstate == UPAPCS_AUTHREQ)	/* Timeout pending? */
-	UNTIMEOUT(upap_timeout, u);		/* Cancel timeout */
-    if (u->us_serverstate == UPAPSS_LISTEN && u->us_reqtimeout > 0)
-	UNTIMEOUT(upap_reqtimeout, u);
-
-    u->us_clientstate = UPAPCS_INITIAL;
-    u->us_serverstate = UPAPSS_INITIAL;
-}
-
-
-/*
- * upap_protrej - Peer doesn't speak this protocol.
- *
- * This shouldn't happen.  In any case, pretend lower layer went down.
- */
-static void
-upap_protrej(unit)
-    int unit;
-{
-    upap_state *u = &upap[unit];
-
-    if (u->us_clientstate == UPAPCS_AUTHREQ) {
-	error("PAP authentication failed due to protocol-reject");
-	auth_withpeer_fail(unit, PPP_PAP);
-    }
-    if (u->us_serverstate == UPAPSS_LISTEN) {
-	error("PAP authentication of peer failed (protocol-reject)");
-	auth_peer_fail(unit, PPP_PAP);
-    }
-    upap_lowerdown(unit);
-}
-
-
-/*
- * upap_input - Input UPAP packet.
- */
-static void
-upap_input(unit, inpacket, l)
-    int unit;
-    u_char *inpacket;
-    int l;
-{
-    upap_state *u = &upap[unit];
-    u_char *inp;
-    u_char code, id;
-    int len;
-
-    /*
-     * Parse header (code, id and length).
-     * If packet too short, drop it.
-     */
-    inp = inpacket;
-    if (l < UPAP_HEADERLEN) {
-	UPAPDEBUG(("pap_input: rcvd short header."));
-	return;
-    }
-    GETCHAR(code, inp);
-    GETCHAR(id, inp);
-    GETSHORT(len, inp);
-    if (len < UPAP_HEADERLEN) {
-	UPAPDEBUG(("pap_input: rcvd illegal length."));
-	return;
-    }
-    if (len > l) {
-	UPAPDEBUG(("pap_input: rcvd short packet."));
-	return;
-    }
-    len -= UPAP_HEADERLEN;
-
-    /*
-     * Action depends on code.
-     */
-    switch (code) {
-    case UPAP_AUTHREQ:
-	upap_rauthreq(u, inp, id, len);
-	break;
-
-    case UPAP_AUTHACK:
-	upap_rauthack(u, inp, id, len);
-	break;
-
-    case UPAP_AUTHNAK:
-	upap_rauthnak(u, inp, id, len);
-	break;
-
-    default:				/* XXX Need code reject */
-	break;
-    }
-}
-
-
-/*
- * upap_rauth - Receive Authenticate.
- */
-static void
-upap_rauthreq(u, inp, id, len)
-    upap_state *u;
-    u_char *inp;
-    int id;
-    int len;
-{
-    u_char ruserlen, rpasswdlen;
-    char *ruser, *rpasswd;
-    int retcode;
-    char *msg;
-    int msglen;
-
-    if (u->us_serverstate < UPAPSS_LISTEN)
-	return;
-
-    /*
-     * If we receive a duplicate authenticate-request, we are
-     * supposed to return the same status as for the first request.
-     */
-    if (u->us_serverstate == UPAPSS_OPEN) {
-	upap_sresp(u, UPAP_AUTHACK, id, "", 0);	/* return auth-ack */
-	return;
-    }
-    if (u->us_serverstate == UPAPSS_BADAUTH) {
-	upap_sresp(u, UPAP_AUTHNAK, id, "", 0);	/* return auth-nak */
-	return;
-    }
-
-    /*
-     * Parse user/passwd.
-     */
-    if (len < 1) {
-	UPAPDEBUG(("pap_rauth: rcvd short packet."));
-	return;
-    }
-    GETCHAR(ruserlen, inp);
-    len -= sizeof (u_char) + ruserlen + sizeof (u_char);
-    if (len < 0) {
-	UPAPDEBUG(("pap_rauth: rcvd short packet."));
-	return;
-    }
-    ruser = (char *) inp;
-    INCPTR(ruserlen, inp);
-    GETCHAR(rpasswdlen, inp);
-    if (len < rpasswdlen) {
-	UPAPDEBUG(("pap_rauth: rcvd short packet."));
-	return;
-    }
-    rpasswd = (char *) inp;
-
-    /*
-     * Check the username and password given.
-     */
-    retcode = check_passwd(u->us_unit, ruser, ruserlen, rpasswd,
-			   rpasswdlen, &msg);
-    BZERO(rpasswd, rpasswdlen);
-    msglen = strlen(msg);
-    if (msglen > 255)
-	msglen = 255;
-
-    upap_sresp(u, retcode, id, msg, msglen);
-
-    if (retcode == UPAP_AUTHACK) {
-	u->us_serverstate = UPAPSS_OPEN;
-	auth_peer_success(u->us_unit, PPP_PAP, ruser, ruserlen);
-    } else {
-	u->us_serverstate = UPAPSS_BADAUTH;
-	auth_peer_fail(u->us_unit, PPP_PAP);
-    }
-
-    if (u->us_reqtimeout > 0)
-	UNTIMEOUT(upap_reqtimeout, u);
-}
-
-
-/*
- * upap_rauthack - Receive Authenticate-Ack.
- */
-static void
-upap_rauthack(u, inp, id, len)
-    upap_state *u;
-    u_char *inp;
-    int id;
-    int len;
-{
-    u_char msglen;
-    char *msg;
-
-    if (u->us_clientstate != UPAPCS_AUTHREQ) /* XXX */
-	return;
-
-    /*
-     * Parse message.
-     */
-    if (len < 1) {
-	UPAPDEBUG(("pap_rauthack: ignoring missing msg-length."));
-    } else {
-	GETCHAR(msglen, inp);
-	if (msglen > 0) {
-	    len -= sizeof (u_char);
-	    if (len < msglen) {
-		UPAPDEBUG(("pap_rauthack: rcvd short packet."));
-		return;
-	    }
-	    msg = (char *) inp;
-	    PRINTMSG(msg, msglen);
-	}
-    }
-
-    u->us_clientstate = UPAPCS_OPEN;
-
-    auth_withpeer_success(u->us_unit, PPP_PAP);
-}
-
-
-/*
- * upap_rauthnak - Receive Authenticate-Nakk.
- */
-static void
-upap_rauthnak(u, inp, id, len)
-    upap_state *u;
-    u_char *inp;
-    int id;
-    int len;
-{
-    u_char msglen;
-    char *msg;
-
-    if (u->us_clientstate != UPAPCS_AUTHREQ) /* XXX */
-	return;
-
-    /*
-     * Parse message.
-     */
-    if (len < 1) {
-	UPAPDEBUG(("pap_rauthnak: ignoring missing msg-length."));
-    } else {
-	GETCHAR(msglen, inp);
-	if (msglen > 0) {
-	    len -= sizeof (u_char);
-	    if (len < msglen) {
-		UPAPDEBUG(("pap_rauthnak: rcvd short packet."));
-		return;
-	    }
-	    msg = (char *) inp;
-	    PRINTMSG(msg, msglen);
-	}
-    }
-
-    u->us_clientstate = UPAPCS_BADAUTH;
-
-    error("PAP authentication failed");
-    auth_withpeer_fail(u->us_unit, PPP_PAP);
-}
-
-
-/*
- * upap_sauthreq - Send an Authenticate-Request.
- */
-static void
-upap_sauthreq(u)
-    upap_state *u;
-{
-    u_char *outp;
-    int outlen;
-
-    outlen = UPAP_HEADERLEN + 2 * sizeof (u_char) +
-	u->us_userlen + u->us_passwdlen;
-    outp = outpacket_buf;
-    
-    MAKEHEADER(outp, PPP_PAP);
-
-    PUTCHAR(UPAP_AUTHREQ, outp);
-    PUTCHAR(++u->us_id, outp);
-    PUTSHORT(outlen, outp);
-    PUTCHAR(u->us_userlen, outp);
-    BCOPY(u->us_user, outp, u->us_userlen);
-    INCPTR(u->us_userlen, outp);
-    PUTCHAR(u->us_passwdlen, outp);
-    BCOPY(u->us_passwd, outp, u->us_passwdlen);
-
-    output(u->us_unit, outpacket_buf, outlen + PPP_HDRLEN);
-
-    TIMEOUT(upap_timeout, u, u->us_timeouttime);
-    ++u->us_transmits;
-    u->us_clientstate = UPAPCS_AUTHREQ;
-}
-
-
-/*
- * upap_sresp - Send a response (ack or nak).
- */
-static void
-upap_sresp(u, code, id, msg, msglen)
-    upap_state *u;
-    u_char code, id;
-    char *msg;
-    int msglen;
-{
-    u_char *outp;
-    int outlen;
-
-    outlen = UPAP_HEADERLEN + sizeof (u_char) + msglen;
-    outp = outpacket_buf;
-    MAKEHEADER(outp, PPP_PAP);
-
-    PUTCHAR(code, outp);
-    PUTCHAR(id, outp);
-    PUTSHORT(outlen, outp);
-    PUTCHAR(msglen, outp);
-    BCOPY(msg, outp, msglen);
-    output(u->us_unit, outpacket_buf, outlen + PPP_HDRLEN);
-}
-
-/*
- * upap_printpkt - print the contents of a PAP packet.
- */
-static char *upap_codenames[] = {
-    "AuthReq", "AuthAck", "AuthNak"
-};
-
-static int
-upap_printpkt(p, plen, printer, arg)
-    u_char *p;
-    int plen;
-    void (*printer) __P((void *, char *, ...));
-    void *arg;
-{
-    int code, id, len;
-    int mlen, ulen, wlen;
-    char *user, *pwd, *msg;
-    u_char *pstart;
-
-    if (plen < UPAP_HEADERLEN)
-	return 0;
-    pstart = p;
-    GETCHAR(code, p);
-    GETCHAR(id, p);
-    GETSHORT(len, p);
-    if (len < UPAP_HEADERLEN || len > plen)
-	return 0;
-
-    if (code >= 1 && code <= sizeof(upap_codenames) / sizeof(char *))
-	printer(arg, " %s", upap_codenames[code-1]);
-    else
-	printer(arg, " code=0x%x", code);
-    printer(arg, " id=0x%x", id);
-    len -= UPAP_HEADERLEN;
-    switch (code) {
-    case UPAP_AUTHREQ:
-	if (len < 1)
-	    break;
-	ulen = p[0];
-	if (len < ulen + 2)
-	    break;
-	wlen = p[ulen + 1];
-	if (len < ulen + wlen + 2)
-	    break;
-	user = (char *) (p + 1);
-	pwd = (char *) (p + ulen + 2);
-	p += ulen + wlen + 2;
-	len -= ulen + wlen + 2;
-	printer(arg, " user=");
-	print_string(user, ulen, printer, arg);
-	printer(arg, " password=");
-	if (!hide_password)
-	    print_string(pwd, wlen, printer, arg);
-	else
-	    printer(arg, "<hidden>");
-	break;
-    case UPAP_AUTHACK:
-    case UPAP_AUTHNAK:
-	if (len < 1)
-	    break;
-	mlen = p[0];
-	if (len < mlen + 1)
-	    break;
-	msg = (char *) (p + 1);
-	p += mlen + 1;
-	len -= mlen + 1;
-	printer(arg, " ");
-	print_string(msg, mlen, printer, arg);
-	break;
-    }
-
-    /* print the rest of the bytes in the packet */
-    for (; len > 0; --len) {
-	GETCHAR(code, p);
-	printer(arg, " %.2x", code);
-    }
-
-    return p - pstart;
-}