struct connected *
zebra_interface_address_read (int type, struct stream *s)
{
unsigned int ifindex;
struct interface *ifp;
struct connected *ifc;
struct prefix p, d;
int family;
int plen;
u_char ifc_flags;
memset (&p, 0, sizeof(p));
memset (&d, 0, sizeof(d));
/* Get interface index. */
ifindex = stream_getl (s);
/* Lookup index. */
ifp = if_lookup_by_index (ifindex);
if (ifp == NULL)
{
zlog_warn ("zebra_interface_address_read(%s): "
"Can't find interface by ifindex: %d ",
(type == ZEBRA_INTERFACE_ADDRESS_ADD? "ADD" : "DELETE"),
ifindex);
return NULL;
}
/* Fetch flag. */
ifc_flags = stream_getc (s);
/* Fetch interface address. */
family = p.family = stream_getc (s);
plen = prefix_blen (&p);
stream_get (&p.u.prefix, s, plen);
p.prefixlen = stream_getc (s);
/* Fetch destination address. */
stream_get (&d.u.prefix, s, plen);
d.family = family;
if (type == ZEBRA_INTERFACE_ADDRESS_ADD)
{
/* N.B. NULL destination pointers are encoded as all zeroes */
ifc = connected_add_by_prefix(ifp, &p,(memconstant(&d.u.prefix,0,plen) ?
NULL : &d));
if (ifc != NULL)
ifc->flags = ifc_flags;
}
else
{
assert (type == ZEBRA_INTERFACE_ADDRESS_DELETE);
ifc = connected_delete_by_prefix(ifp, &p);
}
return ifc;
}
int if_address_add_v6(struct ctrl_client * ctrl_client, struct rfpbuf * buffer)
{
const struct rfp_ipv6_address * address = buffer->data;
struct interface * ifp = if_lookup_by_index(ctrl_client->if_list, address->ifindex);
struct connected * ifc;
struct prefix p;
memcpy(&p.u.prefix, &address->p, 16);
p.prefixlen = address->prefixlen;
p.family = AF_INET6;
ifc = connected_add_by_prefix(ifp, &p, NULL);
if(ifc == NULL)
return 1;
if(IS_OSPF6_SIBLING_DEBUG_MSG)
{
char prefix_str[INET6_ADDRSTRLEN+3]; // three extra chars for slash + two digits
if(prefix2str(ifc->address, prefix_str, INET6_ADDRSTRLEN) != 1)
{
zlog_debug("v6 addr: %s", prefix_str, ifc->address->prefixlen);
}
}
// check here for:
// 1. prefix matches
// 2. extract hostnum from host portion of address
// 3. if hostnum matches, this is the internal interface that should be recorded
char inter_target_str[INET6_ADDRSTRLEN+3]; // three extra chars for slash + two digits
struct prefix inter_target_p;
sprintf(inter_target_str, "2001:db8:beef:10::%x/64", ctrl_client->hostnum);
str2prefix(inter_target_str, &inter_target_p);
// link up the internal connected address with a pointer at ctrl_client
if(prefix_same(ifc->address, &inter_target_p))
{
ctrl_client->inter_con = ifc;
}
// since connected address is AF_INET6, needs to be updated
ospf6_interface_connected_route_update(ifc->ifp);
return 0;
}
int if_address_add_v4(struct ctrl_client * ctrl_client, struct rfpbuf * buffer)
{
const struct rfp_ipv4_address * address = buffer->data;
struct interface * ifp = if_lookup_by_index(ctrl_client->if_list, address->ifindex);
struct connected * ifc;
struct prefix p;
memcpy(&p.u.prefix, &address->p, 4);
p.prefixlen = address->prefixlen;
p.family = AF_INET;
ifc = connected_add_by_prefix(ifp, &p, NULL);
if(ifc == NULL)
return 1;
// struct connected * ifc = calloc(1, sizeof(struct connected));
// ifc->address = calloc(1, sizeof(struct prefix));
// memcpy(&ifc->address->u.prefix, &address->p, 4);
// ifc->address->prefixlen = address->prefixlen;
// ifc->address->family = AF_INET;
// list_init(&ifc->node);
if(IS_OSPF6_SIBLING_DEBUG_MSG)
{
char prefix_str[INET_ADDRSTRLEN];
if(inet_ntop(AF_INET, &(p.u.prefix4.s_addr), prefix_str, INET_ADDRSTRLEN) != 1)
{
zlog_debug("v4 addr: %s/%d", prefix_str, ifc->address->prefixlen);
}
}
// add addresss to list of connected
// list_push_back(&ifp->connected, &ifc->node);
// ifc->ifp = ifp;
return 0;
}
struct connected *
zebra_interface_address_read (int type, struct stream *s)
{
unsigned int ifindex;
struct interface *ifp;
struct connected *ifc;
struct prefix p, d;
int family;
int plen;
u_char ifc_flags;
memset (&p, 0, sizeof(p));
memset (&d, 0, sizeof(d));
/* Get interface index. */
ifindex = stream_getl (s);
/* Lookup index. */
ifp = if_lookup_by_index (ifindex);
if (ifp == NULL)
{
zlog_warn ("zebra_interface_address_read(%s): "
"Can't find interface by ifindex: %d ",
(type == ZEBRA_INTERFACE_ADDRESS_ADD? "ADD" : "DELETE"),
ifindex);
return NULL;
}
/* Fetch flag. */
ifc_flags = stream_getc (s);
/* Fetch interface address. */
family = p.family = stream_getc (s);
plen = prefix_blen (&p);
stream_get (&p.u.prefix, s, plen);
p.prefixlen = stream_getc (s);
/* Fetch destination address. */
stream_get (&d.u.prefix, s, plen);
d.family = family;
if (type == ZEBRA_INTERFACE_ADDRESS_ADD)
{
/* N.B. NULL destination pointers are encoded as all zeroes */
ifc = connected_add_by_prefix(ifp, &p,(memconstant(&d.u.prefix,0,plen) ?
NULL : &d));
if (ifc != NULL)
{
ifc->flags = ifc_flags;
if (ifc->destination)
ifc->destination->prefixlen = ifc->address->prefixlen;
else if (CHECK_FLAG(ifc->flags, ZEBRA_IFA_PEER))
{
/* carp interfaces on OpenBSD with 0.0.0.0/0 as "peer" */
char buf[BUFSIZ];
prefix2str (ifc->address, buf, sizeof(buf));
zlog_warn("warning: interface %s address %s "
"with peer flag set, but no peer address!",
ifp->name, buf);
UNSET_FLAG(ifc->flags, ZEBRA_IFA_PEER);
}
}
}
else
{
assert (type == ZEBRA_INTERFACE_ADDRESS_DELETE);
ifc = connected_delete_by_prefix(ifp, &p);
}
return ifc;
}
