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mirror of https://gitlab.labs.nic.cz/labs/bird.git synced 2024-05-11 16:54:54 +00:00

Merge commit '950775f6fa3d569a9d7cd05e33538d35e895d688' into haugesund

There were quite a lot of conflicts in flowspec validation code which
ultimately led to some code being a bit rewritten, not only adapted from
this or that branch, yet it is still in a limit of a merge.
This commit is contained in:
Maria Matejka
2022-06-08 11:47:49 +02:00
21 changed files with 303 additions and 241 deletions

View File

@@ -530,20 +530,24 @@
STATIC_ATTR;
ACCESS_RTE;
ACCESS_EATTRS;
struct rta *rta = fs->rte->attrs;
switch (sa.sa_code)
{
case SA_NET: RESULT(sa.type, net, fs->rte->net); break;
case SA_PROTO: RESULT(sa.type, s, fs->rte->src->proto->name); break;
case SA_DEST: RESULT(sa.type, i, rta->dest); break;
default:
{
struct eattr *nh_ea = ea_find(*fs->eattrs, &ea_gen_nexthop);
struct nexthop *nh = nh_ea ? &((struct nexthop_adata *) nh_ea->u.ptr)->nh : NULL;
struct eattr *nhea = ea_find(*fs->eattrs, &ea_gen_nexthop);
struct nexthop_adata *nhad = nhea ? (struct nexthop_adata *) nhea->u.ptr : NULL;
struct nexthop *nh = nhad ? &nhad->nh : NULL;
switch (sa.sa_code)
{
case SA_DEST:
RESULT(sa.type, i, nhad ?
(NEXTHOP_IS_REACHABLE(nhad) ? RTD_UNICAST : nhad->dest)
: RTD_NONE);
break;
case SA_GW:
RESULT(sa.type, ip, nh ? nh->gw : IPA_NONE);
break;
@@ -576,36 +580,33 @@
f_rta_cow(fs);
{
struct rta *rta = fs->rte->attrs;
union {
struct nexthop_adata nha;
struct {
struct adata ad;
struct nexthop nh;
u32 label;
};
} nha;
if (sa.sa_code == SA_DEST)
nha.ad = (struct adata) {
.length = sizeof (struct nexthop_adata) - sizeof (struct adata),
};
eattr *a = NULL;
switch (sa.sa_code)
{
case SA_DEST:
{
int i = v1.val.i;
if ((i != RTD_BLACKHOLE) && (i != RTD_UNREACHABLE) && (i != RTD_PROHIBIT))
runtime( "Destination can be changed only to blackhole, unreachable or prohibit" );
rta->dest = i;
ea_unset_attr(fs->eattrs, 1, &ea_gen_nexthop);
nha.nha.dest = i;
nha.ad.length = NEXTHOP_DEST_SIZE;
break;
}
else
{
union {
struct nexthop_adata nha;
struct {
struct adata ad;
struct nexthop nh;
u32 label;
};
} nha;
nha.ad = (struct adata) {
.length = sizeof (struct nexthop_adata) - sizeof (struct adata),
};
eattr *a = NULL;
switch (sa.sa_code)
{
case SA_GW:
{
struct eattr *nh_ea = ea_find(*fs->eattrs, &ea_gen_nexthop);
@@ -618,7 +619,6 @@
if (!n || (n->scope == SCOPE_HOST))
runtime( "Invalid gw address" );
rta->dest = RTD_UNICAST;
nha.nh = (struct nexthop) {
.gw = ip,
.iface = n->iface,
@@ -632,7 +632,6 @@
if (!ifa)
runtime( "Invalid iface name" );
rta->dest = RTD_UNICAST;
nha.nh = (struct nexthop) {
.iface = ifa,
};
@@ -666,15 +665,16 @@
int i = v1.val.i;
if (i < 1 || i > 256)
runtime( "Setting weight value out of bounds" );
if (rta->dest != RTD_UNICAST)
runtime( "Setting weight needs regular nexthop " );
struct eattr *nh_ea = ea_find(*fs->eattrs, &ea_gen_nexthop);
if (!nh_ea)
runtime( "No nexthop to set weight on" );
struct nexthop_adata *nhax = (struct nexthop_adata *)
tmp_copy_adata(&((struct nexthop_adata *) nh_ea->u.ptr)->ad);
struct nexthop_adata *nhad = (struct nexthop_adata *) nh_ea->u.ptr;
if (!NEXTHOP_IS_REACHABLE(nhad))
runtime( "Setting weight needs regular nexthop " );
struct nexthop_adata *nhax = (struct nexthop_adata *) tmp_copy_adata(&nhad->ad);
/* Set weight on all next hops */
NEXTHOP_WALK(nh, nhax)
@@ -687,15 +687,14 @@
default:
bug("Invalid static attribute access (%u/%u)", sa.type, sa.sa_code);
}
if (!a)
a = ea_set_attr(fs->eattrs,
EA_LITERAL_DIRECT_ADATA(&ea_gen_nexthop, 0, tmp_copy_adata(&nha.ad)));
a->originated = 1;
a->fresh = 1;
}
if (!a)
a = ea_set_attr(fs->eattrs,
EA_LITERAL_DIRECT_ADATA(&ea_gen_nexthop, 0, tmp_copy_adata(&nha.ad)));
a->originated = 1;
a->fresh = 1;
}
}