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/*
* route-hpux.c
*
* Copyright (c) 2000 Dug Song <dugsong@monkey.org>
*
* $Id: route-hpux.c 483 2004-01-14 04:52:11Z dugsong $
*/
#include "config.h"
#include <sys/types.h>
#include <sys/ioctl.h>
#include <sys/mib.h>
#include <sys/socket.h>
#include <net/route.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "dnet.h"
#define ADDR_ISHOST(a) (((a)->addr_type == ADDR_TYPE_IP && \
(a)->addr_bits == IP_ADDR_BITS) || \
((a)->addr_type == ADDR_TYPE_IP6 && \
(a)->addr_bits == IP6_ADDR_BITS))
struct route_handle {
int fd;
};
route_t *
route_open(void)
{
route_t *r;
if ((r = calloc(1, sizeof(*r))) != NULL) {
if ((r->fd = socket(AF_INET, SOCK_DGRAM, 0)) < 0)
return (route_close(r));
}
return (r);
}
int
route_add(route_t *r, const struct route_entry *entry)
{
struct rtentry rt;
struct addr dst;
memset(&rt, 0, sizeof(rt));
rt.rt_flags = RTF_UP | RTF_GATEWAY;
if (ADDR_ISHOST(&entry->route_dst)) {
rt.rt_flags |= RTF_HOST;
memcpy(&dst, &entry->route_dst, sizeof(dst));
} else
addr_net(&entry->route_dst, &dst);
if (addr_ntos(&dst, &rt.rt_dst) < 0 ||
addr_ntos(&entry->route_gw, &rt.rt_gateway) < 0 ||
addr_btom(entry->route_dst.addr_bits, &rt.rt_subnetmask,
IP_ADDR_LEN) < 0)
return (-1);
return (ioctl(r->fd, SIOCADDRT, &rt));
}
int
route_delete(route_t *r, const struct route_entry *entry)
{
struct rtentry rt;
struct addr dst;
memset(&rt, 0, sizeof(rt));
rt.rt_flags = RTF_UP;
if (ADDR_ISHOST(&entry->route_dst)) {
rt.rt_flags |= RTF_HOST;
memcpy(&dst, &entry->route_dst, sizeof(dst));
} else
addr_net(&entry->route_dst, &dst);
if (addr_ntos(&dst, &rt.rt_dst) < 0 ||
addr_btom(entry->route_dst.addr_bits, &rt.rt_subnetmask,
IP_ADDR_LEN) < 0)
return (-1);
return (ioctl(r->fd, SIOCDELRT, &rt));
}
int
route_get(route_t *r, struct route_entry *entry)
{
struct rtreq rtr;
memset(&rtr, 0, sizeof(rtr));
/* XXX - gross hack for default route */
if (entry->route_dst.addr_ip == IP_ADDR_ANY) {
rtr.rtr_destaddr = htonl(0x60060606);
rtr.rtr_subnetmask = 0xffffffff;
} else {
memcpy(&rtr.rtr_destaddr, &entry->route_dst.addr_ip,
IP_ADDR_LEN);
if (entry->route_dst.addr_bits < IP_ADDR_BITS)
addr_btom(entry->route_dst.addr_bits,
&rtr.rtr_subnetmask, IP_ADDR_LEN);
}
if (ioctl(r->fd, SIOCGRTENTRY, &rtr) < 0)
return (-1);
if (rtr.rtr_gwayaddr == 0) {
errno = ESRCH;
return (-1);
}
entry->intf_name[0] = '\0';
entry->route_gw.addr_type = ADDR_TYPE_IP;
entry->route_gw.addr_bits = IP_ADDR_BITS;
memcpy(&entry->route_gw.addr_ip, &rtr.rtr_gwayaddr, IP_ADDR_LEN);
entry->metric = 0;
return (0);
}
#define MAX_RTENTRIES 256 /* XXX */
int
route_loop(route_t *r, route_handler callback, void *arg)
{
struct nmparms nm;
struct route_entry entry;
mib_ipRouteEnt rtentries[MAX_RTENTRIES];
int fd, i, n, ret;
if ((fd = open_mib("/dev/ip", O_RDWR, 0 /* XXX */, 0)) < 0)
return (-1);
nm.objid = ID_ipRouteTable;
nm.buffer = rtentries;
n = sizeof(rtentries);
nm.len = &n;
if (get_mib_info(fd, &nm) < 0) {
close_mib(fd);
return (-1);
}
close_mib(fd);
n /= sizeof(*rtentries);
ret = 0;
for (i = 0; i < n; i++) {
if (rtentries[i].Type != NMDIRECT &&
rtentries[i].Type != NMREMOTE)
continue;
entry.intf_name[0] = '\0';
entry.route_dst.addr_type = entry.route_gw.addr_type = ADDR_TYPE_IP;
entry.route_dst.addr_bits = entry.route_gw.addr_bits = IP_ADDR_BITS;
entry.route_dst.addr_ip = rtentries[i].Dest;
addr_mtob(&rtentries[i].Mask, IP_ADDR_LEN,
&entry.route_dst.addr_bits);
entry.route_gw.addr_ip = rtentries[i].NextHop;
entry.metric = 0;
if ((ret = callback(&entry, arg)) != 0)
break;
}
return (ret);
}
route_t *
route_close(route_t *r)
{
if (r != NULL) {
if (r->fd >= 0)
close(r->fd);
free(r);
}
return (NULL);
}
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