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/*
* lib/x25_sr.c This file contains an implementation of the "X.25"
* route change support functions.
*
* Version: @(#)x25_sr.c 1.00 08/15/98
*
* Author: Stephane Fillod, <sfillod@charybde.gyptis.frmug.org>
* based on inet_sr.c
*
* 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_AFX25
#include <asm/types.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <linux/x25.h>
#include <ctype.h>
#include <errno.h>
#include <netdb.h>
#include <resolv.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <unistd.h>
#include "version.h"
#include "net-support.h"
#include "pathnames.h"
#define EXTERN
#if 0
#include "net-locale.h"
#endif
#include "intl.h"
#include "net-features.h"
extern struct aftype x25_aftype;
static int skfd = -1;
static int usage(void)
{
fprintf(stderr,"Usage: x25_route [-v] del Target[/mask] [dev] If\n");
fprintf(stderr," x25_route [-v] add Target[/mask] [dev] If\n");
return(E_USAGE);
}
static int X25_setroute(int action, int options, char **args)
{
struct x25_route_struct rt;
struct sockaddr_x25 sx25;
char target[128];
signed int sigdigits;
if (*args == NULL)
return(usage());
strcpy(target, *args++);
/* Clean out the x25_route_struct structure. */
memset((char *) &rt, 0, sizeof(rt));
if ((sigdigits = x25_aftype.input(0, target, (struct sockaddr *)&sx25)) < 0) {
x25_aftype.herror(target);
return (1);
}
rt.sigdigits=sigdigits;
/* this works with 2.4 and 2.6 headers struct x25_address vs. typedef */
memcpy(&rt.address, &sx25.sx25_addr, sizeof(sx25.sx25_addr));
while (*args) {
if (!strcmp(*args,"device") || !strcmp(*args,"dev")) {
args++;
if (!*args)
return(usage());
} else
if (args[1])
return(usage());
if (rt.device[0])
return(usage());
strcpy(rt.device, *args);
args++;
}
if (rt.device[0]=='\0')
return(usage());
/* sanity checks.. */
if (rt.sigdigits > 15) {
fprintf(stderr, _("route: bogus netmask %d\n"), rt.sigdigits);
return(E_OPTERR);
}
if (rt.sigdigits > strlen(rt.address.x25_addr)) {
fprintf(stderr, _("route: netmask doesn't match route address\n"));
return(E_OPTERR);
}
/* Create a socket to the X25 kernel. */
if ((skfd = socket(AF_X25, SOCK_SEQPACKET, 0)) < 0) {
perror("socket");
return(E_SOCK);
}
/* Tell the kernel to accept this route. */
if (action==RTACTION_DEL) {
if (ioctl(skfd, SIOCDELRT, &rt) < 0) {
perror("SIOCDELRT");
close(skfd);
return(E_SOCK);
}
} else {
if (ioctl(skfd, SIOCADDRT, &rt) < 0) {
perror("SIOCADDRT");
close(skfd);
return(E_SOCK);
}
}
/* Close the socket. */
(void) close(skfd);
return(0);
}
int X25_rinput(int action, int options, char **args)
{
if (action == RTACTION_FLUSH) {
fprintf(stderr,"Flushing `x25' routing table not supported\n");
return(usage());
}
if (options & FLAG_CACHE) {
fprintf(stderr,"Modifying `x25' routing cache not supported\n");
return(usage());
}
if ((*args == NULL) || (action == RTACTION_HELP))
return(usage());
return(X25_setroute(action, options, args));
}
#endif /* HAVE_AFX25 */
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