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/* Copyright (c) 1995-1996 Caldera, Inc. All Rights Reserved.
*
* See file COPYING for details.
*/
#include <stdio.h>
#include <unistd.h>
#include <stdlib.h>
#include <ctype.h>
#include <errno.h>
#include <strings.h>
#if (__GLIBC__ > 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ >= 0)
#include <net/route.h>
#include <netipx/ipx.h>
#else
#include <linux/route.h>
#include <linux/ipx.h>
#endif
#include <netinet/in.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
static struct rtentry rd;
static char *progname;
int
map_char_to_val(char dig)
{
char digit = tolower(dig);
if ((digit >= '0') && (digit <= '9')) {
return digit - '0';
} else if ((digit >= 'a') && (digit <= 'f')) {
return (10 + (digit - 'a'));
} else {
return 0;
}
}
void
usage(void)
{
fprintf(stderr,
"Usage: %s add network(hex) router_network(hex) router_node(hex)\n\
Usage: %s del network(hex)\n", progname, progname);
exit(-1);
}
int
ipx_add_route(int argc, char **argv)
{
/* Router */
struct sockaddr_ipx *sr = (struct sockaddr_ipx *)&rd.rt_gateway;
/* Target */
struct sockaddr_ipx *st = (struct sockaddr_ipx *)&rd.rt_dst;
int s;
int result;
int nodelen;
int i;
unsigned long netnum;
char errmsg[80];
char *node;
char *tin;
char tmpnode[13];
unsigned char *tout;
if (argc != 4)
usage();
/* Network Number */
netnum = strtoul(argv[1], (char **)NULL, 16);
if ((netnum == 0xffffffffL) || (netnum == 0L)) {
fprintf(stderr, "%s: Inappropriate network number %08lX\n",
progname, netnum);
exit(-1);
}
rd.rt_flags = RTF_GATEWAY;
st->sipx_network = htonl(netnum);
/* Router Network Number */
netnum = strtoul(argv[2], (char **)NULL, 16);
if ((netnum == 0xffffffffL) || (netnum == 0L)) {
fprintf(stderr, "%s: Inappropriate network number %08lX\n",
progname, netnum);
exit(-1);
}
sr->sipx_network = htonl(netnum);
/* Router Node */
node = argv[3];
nodelen = strlen(node);
if (nodelen > 12) {
fprintf(stderr, "%s: Node length is too long (> 12).\n",
progname);
exit(-1);
}
for (i = 0; (i < nodelen) && isxdigit(node[i]); i++)
;
if (i < nodelen) {
fprintf(stderr, "%s: Invalid value in node, must be hex digits.\n",
progname);
exit(-1);
}
strcpy(tmpnode, "000000000000");
memcpy(&(tmpnode[12-nodelen]), node, nodelen);
for (tin = tmpnode, tout = sr->sipx_node; *tin != '\0'; tin += 2, tout++) {
*tout = (unsigned char) map_char_to_val(*tin);
*tout <<= 4;
*tout |= (unsigned char) map_char_to_val(*(tin+1));
}
if ((memcmp(sr->sipx_node, "\0\0\0\0\0\0\0\0", IPX_NODE_LEN) == 0) ||
(memcmp(sr->sipx_node, "\377\377\377\377\377\377", IPX_NODE_LEN) == 0)){
fprintf(stderr, "%s: Node (%s) is invalid.\n", progname, tmpnode);
exit(-1);
}
s = socket(AF_IPX, SOCK_DGRAM, AF_IPX);
if (s < 0) {
sprintf(errmsg, "%s: socket", progname);
perror(errmsg);
exit(-1);
}
sr->sipx_family = st->sipx_family = AF_IPX;
i = 0;
do {
result = ioctl(s, SIOCADDRT, &rd);
i++;
} while ((i < 5) && (result < 0) && (errno == EAGAIN));
if (result == 0) exit(0);
switch (errno) {
case ENETUNREACH:
fprintf(stderr, "%s: Router network (%08lX) not reachable.\n",
progname, htonl(sr->sipx_network));
break;
default:
sprintf(errmsg, "%s: ioctl", progname);
perror(errmsg);
break;
}
exit(-1);
}
int
ipx_del_route(int argc, char **argv)
{
/* Router */
struct sockaddr_ipx *sr = (struct sockaddr_ipx *)&rd.rt_gateway;
/* Target */
struct sockaddr_ipx *st = (struct sockaddr_ipx *)&rd.rt_dst;
int s;
int result;
unsigned long netnum;
char errmsg[80];
if (argc != 2) {
usage();
}
rd.rt_flags = RTF_GATEWAY;
/* Network Number */
netnum = strtoul(argv[1], (char **)NULL, 16);
if ((netnum == 0xffffffffL) || (netnum == 0L)) {
fprintf(stderr, "%s: Inappropriate network number %08lX.\n",
progname, netnum);
exit(-1);
}
st->sipx_network = htonl(netnum);
st->sipx_family = sr->sipx_family = AF_IPX;
s = socket(AF_IPX, SOCK_DGRAM, AF_IPX);
if (s < 0) {
sprintf(errmsg, "%s: socket", progname);
perror(errmsg);
exit(-1);
}
result = ioctl(s, SIOCDELRT, &rd);
if (result == 0) exit(0);
switch (errno) {
case ENOENT:
fprintf(stderr, "%s: Route not found for network %08lX.\n",
progname, netnum);
break;
case EPERM:
fprintf(stderr, "%s: Network %08lX is directly connected.\n",
progname, netnum);
break;
default:
sprintf(errmsg, "%s: ioctl", progname);
perror(errmsg);
break;
}
exit(-1);
}
int
main(int argc, char **argv)
{
int i;
progname = argv[0];
if (argc < 2) {
usage();
exit(-1);
}
if (strncasecmp(argv[1], "add", 3) == 0) {
for (i = 1; i < (argc-1); i++)
argv[i] = argv[i+1];
ipx_add_route(argc-1, argv);
} else if (strncasecmp(argv[1], "del", 3) == 0) {
for (i = 1; i < (argc-1); i++)
argv[i] = argv[i+1];
ipx_del_route(argc-1, argv);
}
usage();
return 0;
}
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