int main(int argc, char *argv[])
{
if (argc > 1)
{
return mainUtil(argc, argv);
};
printf("Kernel IPv4 routing table:\n");
printf("Network Gateway Interface\n");
int fd = _glidix_routetab(AF_INET);
_glidix_in_route route;
while (1)
{
ssize_t count = read(fd, &route, sizeof(_glidix_in_route));
if (count < sizeof(_glidix_in_route))
{
break;
};
char network[20];
char gate[17];
ip_to_string(&route.dest, &route.mask, network);
ip_to_string(&route.gateway, NULL, gate);
printf("%s%s%s\n", network, gate, route.ifname);
};
close(fd);
printf("\nKernel IPv6 routing table:\n");
printf("Network Next hop Interface\n");
fd = _glidix_routetab(AF_INET6);
_glidix_in6_route route6;
while (1)
{
ssize_t count = read(fd, &route6, sizeof(_glidix_in6_route));
if (count < sizeof(_glidix_in6_route))
{
break;
};
char network[35];
char gateway[35];
ip6_to_string(&route6.dest, &route6.mask, network);
ip6_to_string(&route6.gateway, NULL, gateway);
printf("%s%s%s\n", network, gateway, route6.ifname);
};
close(fd);
return 0;
};
void print_addr_info (struct addr_info * ai)
{
printf ("(%d) ", ai->nbits);
print_buffer ((char *) (ai->destination), (ai->nbits + 7) / 8, NULL,
ADDRESS_SIZE, 0);
printf (", v %d, port %d, addr ", ai->ip.ip_version, ntohs (ai->ip.port));
unsigned char * ap = (unsigned char *) &(ai->ip.ip);
char ip6_buf [50];
ip6_to_string (ap, ip6_buf);
if (ai->ip.ip_version == 4)
printf ("%d.%d.%d.%d\n", ap [12], ap [13], ap [14], ap [15]);
else
printf ("%s\n", ip6_buf);
}
/* includes a newline at the end of the address info */
int addr_info_to_string (struct addr_info * ai, char * buf, int bsize)
{
int offset = 0;
offset += snprintf (buf, bsize, "(%d) ", ai->nbits);
offset += buffer_to_string ((char *) (ai->destination), (ai->nbits + 7) / 8,
NULL, ADDRESS_SIZE, 0,
buf + offset, bsize - offset);
offset += snprintf (buf + offset, bsize - offset,
", v %d, port %d, addr ", ai->ip.ip_version,
ntohs (ai->ip.port));
unsigned char * ap = (unsigned char *) &(ai->ip.ip);
if (ai->ip.ip_version == 4)
offset += snprintf (buf + offset, bsize - offset,
"%d.%d.%d.%d", ap [12], ap [13], ap [14], ap [15]);
else if ((bsize - offset) >= 42)
offset += ip6_to_string (ap, buf + offset);
offset += snprintf (buf + offset, bsize - offset, "\n");
return offset;
}
int
join_mcast(struct interface *ifs, int sock)
{
/* See linux/in6.h */
struct ipaddr_str buf;
struct ipv6_mreq mcastreq;
mcastreq.ipv6mr_multiaddr = ifs->int6_multaddr.sin6_addr;
mcastreq.ipv6mr_interface = ifs->if_index;
#if !defined __FreeBSD__ && !defined __FreeBSD_kernel__ && !defined __APPLE__ && !defined __NetBSD__
OLSR_PRINTF(3, "Interface %s joining multicast %s...", ifs->int_name, ip6_to_string(&buf, &ifs->int6_multaddr.sin6_addr));
/* Send multicast */
if (setsockopt(sock, IPPROTO_IPV6, IPV6_ADD_MEMBERSHIP, (char *)&mcastreq, sizeof(struct ipv6_mreq)) < 0) {
perror("Join multicast");
return -1;
}
#else
#warning implement IPV6_ADD_MEMBERSHIP
#endif
/* Old libc fix */
#ifdef IPV6_JOIN_GROUP
/* Join receiver group */
if (setsockopt(sock, IPPROTO_IPV6, IPV6_JOIN_GROUP, (char *)&mcastreq, sizeof(struct ipv6_mreq)) < 0)
#else
/* Join receiver group */
if (setsockopt(sock, IPPROTO_IPV6, IPV6_ADD_MEMBERSHIP, (char *)&mcastreq, sizeof(struct ipv6_mreq)) < 0)
#endif
{
perror("Join multicast send");
return -1;
}
if (setsockopt(sock, IPPROTO_IPV6, IPV6_MULTICAST_IF, (char *)&mcastreq.ipv6mr_interface, sizeof(mcastreq.ipv6mr_interface)) < 0) {
perror("Set multicast if");
return -1;
}
OLSR_PRINTF(3, "OK\n");
return 0;
}
/**
*Sends a packet on a given interface.
*
*@param ifp the interface to send on.
*
*@return negative on error
*/
int
net_output(struct interface_olsr *ifp)
{
struct sockaddr_in *sin = NULL;
struct sockaddr_in6 *sin6 = NULL;
struct sockaddr_in dst;
struct sockaddr_in6 dst6;
struct ptf *tmp_ptf_list;
union olsr_packet *outmsg;
int retval;
if (!ifp->netbuf.pending)
return 0;
ifp->netbuf.pending += OLSR_HEADERSIZE;
retval = ifp->netbuf.pending;
outmsg = (union olsr_packet *)ifp->netbuf.buff;
/* Add the Packet seqno */
outmsg->v4.olsr_seqno = htons(ifp->olsr_seqnum++);
/* Set the packetlength */
outmsg->v4.olsr_packlen = htons(ifp->netbuf.pending);
if (olsr_cnf->ip_version == AF_INET) {
/* IP version 4 */
sin = (struct sockaddr_in *)&ifp->int_broadaddr;
/* Copy sin */
dst = *sin;
sin = &dst;
if (sin->sin_port == 0)
sin->sin_port = htons(olsr_cnf->olsrport);
} else {
/* IP version 6 */
sin6 = (struct sockaddr_in6 *)&ifp->int6_multaddr;
/* Copy sin */
dst6 = *sin6;
sin6 = &dst6;
}
/*
*Call possible packet transform functions registered by plugins
*/
for (tmp_ptf_list = ptf_list; tmp_ptf_list != NULL; tmp_ptf_list = tmp_ptf_list->next) {
tmp_ptf_list->function(ifp->netbuf.buff, &ifp->netbuf.pending);
}
if (olsr_cnf->ip_version == AF_INET) {
/* IP version 4 */
if (olsr_sendto(ifp->send_socket, ifp->netbuf.buff, ifp->netbuf.pending, MSG_DONTROUTE, (struct sockaddr *)sin, sizeof(*sin)) <
0) {
perror("sendto(v4)");
#ifndef _WIN32
olsr_syslog(OLSR_LOG_ERR, "OLSR: sendto IPv4 '%s' on interface %s", strerror(errno), ifp->int_name);
#endif /* _WIN32 */
retval = -1;
}
} else {
/* IP version 6 */
if (olsr_sendto(ifp->send_socket, ifp->netbuf.buff, ifp->netbuf.pending, MSG_DONTROUTE, (struct sockaddr *)sin6, sizeof(*sin6))
< 0) {
struct ipaddr_str buf;
perror("sendto(v6)");
#ifndef _WIN32
olsr_syslog(OLSR_LOG_ERR, "OLSR: sendto IPv6 '%s' on interface %s", strerror(errno), ifp->int_name);
#endif /* _WIN32 */
fprintf(stderr, "Socket: %d interface: %d\n", ifp->olsr_socket, ifp->if_index);
fprintf(stderr, "To: %s (size: %u)\n", ip6_to_string(&buf, &sin6->sin6_addr), (unsigned int)sizeof(*sin6));
fprintf(stderr, "Outputsize: %d\n", ifp->netbuf.pending);
retval = -1;
}
}
ifp->netbuf.pending = 0;
/*
* if we've just transmitted a TC message, let Dijkstra use the current
* link qualities for the links to our neighbours
*/
lq_tc_pending = false;
return retval;
}
