papout.c

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00001 /*
00002  * Copyright (C) 2001-2003 by egnite Software GmbH. All rights reserved.
00003  *
00004  * Redistribution and use in source and binary forms, with or without
00005  * modification, are permitted provided that the following conditions
00006  * are met:
00007  *
00008  * 1. Redistributions of source code must retain the above copyright
00009  *    notice, this list of conditions and the following disclaimer.
00010  * 2. Redistributions in binary form must reproduce the above copyright
00011  *    notice, this list of conditions and the following disclaimer in the
00012  *    documentation and/or other materials provided with the distribution.
00013  * 3. Neither the name of the copyright holders nor the names of
00014  *    contributors may be used to endorse or promote products derived
00015  *    from this software without specific prior written permission.
00016  *
00017  * THIS SOFTWARE IS PROVIDED BY EGNITE SOFTWARE GMBH AND CONTRIBUTORS
00018  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
00019  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
00020  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL EGNITE
00021  * SOFTWARE GMBH OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
00022  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
00023  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
00024  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
00025  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00026  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
00027  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00028  * SUCH DAMAGE.
00029  *
00030  * For additional information see http://www.ethernut.de/
00031  *
00032  * -
00033  * Portions Copyright (C) 2000 David J. Hudson <dave@humbug.demon.co.uk>
00034  *
00035  * This file is distributed in the hope that it will be useful, but WITHOUT
00036  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
00037  * FITNESS FOR A PARTICULAR PURPOSE.
00038  *
00039  * You can redistribute this file and/or modify it under the terms of the GNU
00040  * General Public License (GPL) as published by the Free Software Foundation;
00041  * either version 2 of the License, or (at your discretion) any later version.
00042  * See the accompanying file "copying-gpl.txt" for more details.
00043  *
00044  * As a special exception to the GPL, permission is granted for additional
00045  * uses of the text contained in this file.  See the accompanying file
00046  * "copying-liquorice.txt" for details.
00047  * -
00048  * Portions Copyright (c) 1983, 1993 by
00049  *  The Regents of the University of California.  All rights reserved.
00050  *
00051  * Redistribution and use in source and binary forms, with or without
00052  * modification, are permitted provided that the following conditions
00053  * are met:
00054  * 1. Redistributions of source code must retain the above copyright
00055  *    notice, this list of conditions and the following disclaimer.
00056  * 2. Redistributions in binary form must reproduce the above copyright
00057  *    notice, this list of conditions and the following disclaimer in the
00058  *    documentation and/or other materials provided with the distribution.
00059  * 3. Neither the name of the University nor the names of its contributors
00060  *    may be used to endorse or promote products derived from this software
00061  *    without specific prior written permission.
00062  *
00063  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
00064  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00065  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
00066  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
00067  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00068  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
00069  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
00070  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
00071  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
00072  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
00073  * SUCH DAMAGE.
00074  * -
00075  * Portions Copyright (c) 1993 by Digital Equipment Corporation.
00076  *
00077  * Permission to use, copy, modify, and distribute this software for any
00078  * purpose with or without fee is hereby granted, provided that the above
00079  * copyright notice and this permission notice appear in all copies, and that
00080  * the name of Digital Equipment Corporation not be used in advertising or
00081  * publicity pertaining to distribution of the document or software without
00082  * specific, written prior permission.
00083  * 
00084  * THE SOFTWARE IS PROVIDED "AS IS" AND DIGITAL EQUIPMENT CORP. DISCLAIMS ALL
00085  * WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES
00086  * OF MERCHANTABILITY AND FITNESS.   IN NO EVENT SHALL DIGITAL EQUIPMENT
00087  * CORPORATION BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
00088  * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
00089  * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
00090  * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
00091  * SOFTWARE.
00092  */
00093 
00094 /*
00095  * $Log: papout.c,v $
00096  * Revision 1.6  2008/04/18 13:32:00  haraldkipp
00097  * Changed size parameter from u_short to int, which is easier to handle
00098  * for 32-bit targets. You need to recompile your ARM code. No impact on
00099  * AVR expected
00100  * I changed u_int to int at some places to avoid some warnings during
00101  * compilation of Nut/Net.
00102  * libs.
00103  *
00104  * Revision 1.5  2006/10/08 16:48:22  haraldkipp
00105  * Documentation fixed
00106  *
00107  * Revision 1.4  2006/03/29 01:23:52  olereinhardt
00108  *  Signednes of strings
00109  *
00110  * Revision 1.3  2005/04/08 15:20:51  olereinhardt
00111  * added <sys/types.h> (__APPLE__) and <netinet/in.h> (__linux__)
00112  * for htons and simmilar.
00113  *
00114  * Revision 1.2  2003/08/14 15:17:50  haraldkipp
00115  * Caller controls ID increment
00116  *
00117  * Revision 1.1.1.1  2003/05/09 14:41:35  haraldkipp
00118  * Initial using 3.2.1
00119  *
00120  * Revision 1.1  2003/03/31 14:53:28  harald
00121  * Prepare release 3.1
00122  *
00123  * Revision 1.10  2003/02/04 18:14:56  harald
00124  * Version 3 released
00125  *
00126  * Revision 1.9  2002/06/26 17:29:35  harald
00127  * First pre-release with 2.4 stack
00128  *
00129  */
00130 
00131 #include <string.h>
00132 
00133 #include <dev/ppp.h>
00134 
00135 #include <sys/heap.h>
00136 #include <sys/thread.h>
00137 #include <sys/types.h>
00138 #include <net/if_var.h>
00139 #include <net/ppp.h>
00140 #include <netinet/if_ppp.h>
00141 #include <netinet/ppp_fsm.h>
00142 #include <netinet/in.h>
00147 
00164 int NutPapOutput(NUTDEVICE * dev, u_char code, u_char id, NETBUF * nb)
00165 {
00166     XCPHDR *xch;
00167 
00168     if ((nb = NutNetBufAlloc(nb, NBAF_NETWORK, sizeof(XCPHDR))) == 0)
00169         return -1;
00170 
00171     xch = nb->nb_nw.vp;
00172     xch->xch_code = code;
00173     xch->xch_id = id;
00174     xch->xch_len = htons(nb->nb_nw.sz + nb->nb_tp.sz + nb->nb_ap.sz);
00175 
00176     if (NutPppOutput(dev, PPP_PAP, 0, nb) == 0)
00177         NutNetBufFree(nb);
00178 
00179     return 0;
00180 }
00181 
00182 /*
00183  * Send a Configure-Request.
00184  */
00185 void PapTxAuthReq(NUTDEVICE *dev, u_char id)
00186 {
00187     PPPDCB *dcb = dev->dev_dcb;
00188     NETBUF *nb;
00189     char *cp;
00190     int len;
00191 
00192     /*
00193      * Create the request.
00194      */
00195     len = 2;
00196     if(dcb->dcb_user)
00197         len += strlen((char*)dcb->dcb_user);
00198     if(dcb->dcb_pass)
00199         len += strlen((char*)dcb->dcb_pass);
00200     if ((nb = NutNetBufAlloc(0, NBAF_APPLICATION, len)) != 0) {
00201         cp = nb->nb_ap.vp;
00202         *cp = dcb->dcb_user ? (char)strlen((char*)dcb->dcb_user) : 0;
00203         if(*cp)
00204             memcpy(cp + 1, dcb->dcb_user, *cp);
00205 
00206         cp += *cp + 1;
00207         *cp = dcb->dcb_pass ? (char)strlen((char*)dcb->dcb_pass) : 0;
00208         if(*cp)
00209             memcpy(cp + 1, dcb->dcb_pass, *cp);
00210 
00211         dcb->dcb_auth_state = PAPCS_AUTHREQ;
00212         NutPapOutput(dev, XCP_CONFREQ, ++dcb->dcb_reqid, nb);
00213     }
00214 }
00215 

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