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[/] [or1k_old/] [trunk/] [uclinux/] [userland/] [route/] [lib/] [rose.c] - Blame information for rev 1782

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1 745 simons 
/*
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 * lib/rose.c This file contains an implementation of the "ROSE"
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 *              support functions for the NET-2 base distribution.
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 *
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 * Version:     $Id: rose.c,v 1.1 2002-03-17 19:58:53 simons Exp $
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 *
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 * Author:      Terry Dawson, VK2KTJ, <terry@perf.no.itg.telstra.com.au>
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 *              based on ax25.c by:
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 *              Fred N. van Kempen, <waltje@uwalt.nl.mugnet.org>
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 *              Copyright 1993 MicroWalt Corporation
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 *
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 *              This program is free software; you can redistribute it
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 *              and/or  modify it under  the terms of  the GNU General
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 *              Public  License as  published  by  the  Free  Software
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 *              Foundation;  either  version 2 of the License, or  (at
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 *              your option) any later version.
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 */
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#include "config.h"
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#if HAVE_AFROSE || HAVE_HWROSE
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#include <features.h>
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#include <sys/types.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <net/if_arp.h>         /* ARPHRD_ROSE */
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#include <stdlib.h>
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#include <stdio.h>
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#include <ctype.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <string.h>
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#include <termios.h>
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#include <unistd.h>
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#include "net-support.h"
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#include "pathnames.h"
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#include "intl.h"
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#ifndef _NETROSE_ROSE_H
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#include <linux/ax25.h>
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#include <linux/rose.h>
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/* this will check for the broken #define PF_ROSE AF_ROSE define in some older kernel headers */
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#undef AF_ROSE
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#if PF_ROSE == AF_ROSE
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#warning "Your <linux/rose.h> is broken and defines PF_ROSE, better remove the define in /usr/include/linux/rose.h (using private define for PF_ROSE meanwhile)"
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#undef PF_ROSE
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#define PF_ROSE         11      /* Amateur Radio X.25 PLP       */
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#endif
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/* now restore the value of AF_ROSE (which had to be deleted to catch the case where #define AF_ROSE PF_ROSE) */
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#define AF_ROSE         PF_ROSE
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#endif
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static char ROSE_errmsg[128];
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extern struct aftype rose_aftype;
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static char *
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 ROSE_print(unsigned char *ptr)
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{
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    static char buff[12];
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    snprintf(buff, sizeof(buff), "%02x%02x%02x%02x%02x", ptr[0], ptr[1], ptr[2], ptr[3], ptr[4]);
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    buff[10] = '\0';
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    return (buff);
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}
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/* Display a ROSE socket address. */
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static char *
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 ROSE_sprint(struct sockaddr *sap, int numeric)
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{
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    if (sap->sa_family == 0xFFFF || sap->sa_family == 0)
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        return _("[NONE SET]");
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    return (ROSE_print(((struct sockaddr_rose *) sap)->srose_addr.rose_addr));
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}
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static int ROSE_input(int type, char *bufp, struct sockaddr *sap)
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{
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    char *ptr;
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    int i, o;
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    sap->sa_family = rose_aftype.af;
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    ptr = ((struct sockaddr_rose *) sap)->srose_addr.rose_addr;
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    /* Node address the correct length ? */
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    if (strlen(bufp) != 10) {
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        strcpy(ROSE_errmsg, _("Node address must be ten digits"));
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#ifdef DEBUG
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        fprintf(stderr, "rose_input(%s): %s !\n", ROSE_errmsg, orig);
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#endif
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        errno = EINVAL;
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        return (-1);
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    }
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    /* Ok, lets set it */
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    for (i = 0, o = 0; i < 5; i++) {
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        o = i * 2;
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        ptr[i] = (((bufp[o] - '0') << 4) | (bufp[o + 1] - '0'));
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    }
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    /* All done. */
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#ifdef DEBUG
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    fprintf(stderr, "rose_input(%s): ", orig);
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    for (i = 0; i < sizeof(rose_address); i++)
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        fprintf(stderr, "%02X ", sap->sa_data[i] & 0377);
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    fprintf(stderr, "\n");
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#endif
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    return (0);
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}
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/* Display an error message. */
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static void ROSE_herror(char *text)
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{
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    if (text == NULL)
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        fprintf(stderr, "%s\n", ROSE_errmsg);
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    else
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        fprintf(stderr, "%s: %s\n", text, ROSE_errmsg);
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}
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static char *
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 ROSE_hprint(struct sockaddr *sap)
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{
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    if (sap->sa_family == 0xFFFF || sap->sa_family == 0)
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        return _("[NONE SET]");
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    return (ROSE_print(((struct sockaddr_rose *) sap)->srose_addr.rose_addr));
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}
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static int ROSE_hinput(char *bufp, struct sockaddr *sap)
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{
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    if (ROSE_input(0, bufp, sap) < 0)
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        return (-1);
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    sap->sa_family = ARPHRD_ROSE;
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    return (0);
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}
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struct hwtype rose_hwtype =
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{
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    "rose", NULL, /*"AMPR ROSE", */ ARPHRD_ROSE, 10,
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    ROSE_print, ROSE_hprint, ROSE_hinput, NULL
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};
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struct aftype rose_aftype =
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{
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    "rose", NULL, /*"AMPR ROSE", */ AF_ROSE, 10,
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    ROSE_print, ROSE_sprint, ROSE_input, ROSE_herror,
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    NULL, NULL, NULL,
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    -1,
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    "/proc/net/rose"
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};
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#endif                          /* HAVE_xxROSE */

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