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/*
* lib/rose.c This file contains an implementation of the "ROSE"
* support functions for the NET-2 base distribution.
*
* Version: $Id: rose.c,v 1.7 2000/03/05 11:26:03 philip Exp $
*
* Author: Terry Dawson, VK2KTJ, <terry@perf.no.itg.telstra.com.au>
* based on ax25.c by:
* Fred N. van Kempen, <waltje@uwalt.nl.mugnet.org>
* Copyright 1993 MicroWalt Corporation
*
* This program is free software; you can redistribute it
* and/or modify it under the terms of the GNU General
* Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at
* your option) any later version.
*/
#include "config.h"
#if HAVE_AFROSE || HAVE_HWROSE
#include <features.h>
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <net/if_arp.h> /* ARPHRD_ROSE */
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <errno.h>
#include <fcntl.h>
#include <string.h>
#include <termios.h>
#include <unistd.h>
#include "net-support.h"
#include "pathnames.h"
#include "intl.h"
#ifndef _NETROSE_ROSE_H
#include <linux/ax25.h>
#include <linux/rose.h>
/* this will check for the broken #define PF_ROSE AF_ROSE define in some older kernel headers */
#undef AF_ROSE
#if PF_ROSE == AF_ROSE
#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)"
#undef PF_ROSE
#define PF_ROSE 11 /* Amateur Radio X.25 PLP */
#endif
/* now restore the value of AF_ROSE (which had to be deleted to catch the case where #define AF_ROSE PF_ROSE) */
#define AF_ROSE PF_ROSE
#endif
static char ROSE_errmsg[128];
extern struct aftype rose_aftype;
static const char *
ROSE_print(const char *ptr)
{
static char buff[12];
snprintf(buff, sizeof(buff), "%02x%02x%02x%02x%02x", ptr[0], ptr[1], ptr[2], ptr[3], ptr[4]);
buff[10] = '\0';
return (buff);
}
/* Display a ROSE socket address. */
static const char *
ROSE_sprint(struct sockaddr *sap, int numeric)
{
if (sap->sa_family == 0xFFFF || sap->sa_family == 0)
return _("[NONE SET]");
return (ROSE_print(((struct sockaddr_rose *) sap)->srose_addr.rose_addr));
}
static int ROSE_input(int type, char *bufp, struct sockaddr *sap)
{
char *ptr;
int i, o;
sap->sa_family = rose_aftype.af;
ptr = ((struct sockaddr_rose *) sap)->srose_addr.rose_addr;
/* Node address the correct length ? */
if (strlen(bufp) != 10) {
strcpy(ROSE_errmsg, _("Node address must be ten digits"));
errno = EINVAL;
return (-1);
}
/* Ok, lets set it */
for (i = 0, o = 0; i < 5; i++) {
o = i * 2;
ptr[i] = (((bufp[o] - '0') << 4) | (bufp[o + 1] - '0'));
}
/* All done. */
return (0);
}
/* Display an error message. */
static void ROSE_herror(char *text)
{
if (text == NULL)
fprintf(stderr, "%s\n", ROSE_errmsg);
else
fprintf(stderr, "%s: %s\n", text, ROSE_errmsg);
}
static int ROSE_hinput(char *bufp, struct sockaddr *sap)
{
if (ROSE_input(0, bufp, sap) < 0)
return (-1);
sap->sa_family = ARPHRD_ROSE;
return (0);
}
struct hwtype rose_hwtype =
{
"rose", NULL, /*"AMPR ROSE", */ ARPHRD_ROSE, 10,
ROSE_print, ROSE_hinput, NULL
};
struct aftype rose_aftype =
{
"rose", NULL, /*"AMPR ROSE", */ AF_ROSE, 10,
ROSE_print, ROSE_sprint, ROSE_input, ROSE_herror,
NULL, NULL, NULL,
-1,
"/proc/net/rose"
};
#endif /* HAVE_xxROSE */
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