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[bgpd] bug #210: Enable crucial VPNv4 code which was disabled

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2006-05-04 Paul Jakma <paul.jakma@sun.com>

	* (general) VPNv4 fixes. Certain VPNv4 code was not enabled.
	  See bug #210.
	* bgp_attr.{c,h}: (bgp_packet_{withdraw,attribute}) Tag should be
	  u_char really.
	* bgp_packet.c: (bgp_{update,withdraw}_packet) Enable some
	  VPNv4 code which inexplicably was ifdef'd out. comments from
	  a tester on IRC suggest this fixes bug #210.
This commit is contained in:
Paul Jakma 2006-05-04 07:52:12 +00:00
parent 5f03f141ec
commit a3b6ea56a0
4 changed files with 26 additions and 16 deletions
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10
bgpd/ChangeLog
View File

@ -1,3 +1,13 @@
2006-05-04 Paul Jakma <paul.jakma@sun.com>
* (general) VPNv4 fixes. Certain VPNv4 code was not enabled.
See bug #210.
* bgp_attr.{c,h}: (bgp_packet_{withdraw,attribute}) Tag should be
u_char really.
* bgp_packet.c: (bgp_{update,withdraw}_packet) Enable some
VPNv4 code which inexplicably was ifdef'd out. comments from
a tester on IRC suggest this fixes bug #210.
2006-03-30 Paul Jakma <paul.jakma@sun.com>
* bgp_community.c: (community_gettoken) Unknown token should

4
bgpd/bgp_attr.c
View File

@ -1350,7 +1350,7 @@ bgp_size_t
bgp_packet_attribute (struct bgp *bgp, struct peer *peer,
struct stream *s, struct attr *attr, struct prefix *p,
afi_t afi, safi_t safi, struct peer *from,
struct prefix_rd *prd, char *tag)
struct prefix_rd *prd, u_char *tag)
{
size_t cp;
unsigned int aspath_data_size;
@ -1703,7 +1703,7 @@ bgp_packet_attribute (struct bgp *bgp, struct peer *peer,
bgp_size_t
bgp_packet_withdraw (struct peer *peer, struct stream *s, struct prefix *p,
afi_t afi, safi_t safi, struct prefix_rd *prd,
char *tag)
u_char *tag)
{
unsigned long cp;
unsigned long attrlen_pnt;

4
bgpd/bgp_attr.h
View File

@ -123,10 +123,10 @@ extern struct attr *bgp_attr_aggregate_intern (struct bgp *, u_char,
extern bgp_size_t bgp_packet_attribute (struct bgp *bgp, struct peer *,
struct stream *, struct attr *,
struct prefix *, afi_t, safi_t,
struct peer *, struct prefix_rd *, char *);
struct peer *, struct prefix_rd *, u_char *);
extern bgp_size_t bgp_packet_withdraw (struct peer *peer, struct stream *s,
struct prefix *p, afi_t, safi_t,
struct prefix_rd *, char *);
struct prefix_rd *, u_char *);
extern void bgp_dump_routes_attr (struct stream *, struct attr *,
struct prefix *);
extern unsigned int attrhash_key_make (struct attr *);

24
bgpd/bgp_packet.c
View File

@ -150,8 +150,6 @@ bgp_update_packet (struct peer *peer, afi_t afi, safi_t safi)
bgp_size_t total_attr_len = 0;
unsigned long pos;
char buf[BUFSIZ];
struct prefix_rd *prd = NULL;
char *tag = NULL;
s = peer->work;
stream_reset (s);
@ -165,12 +163,6 @@ bgp_update_packet (struct peer *peer, afi_t afi, safi_t safi)
adj = adv->adj;
if (adv->binfo)
binfo = adv->binfo;
#ifdef MPLS_VPN
if (rn)
prd = (struct prefix_rd *) &rn->prn->p;
if (binfo)
tag = binfo->tag;
#endif /* MPLS_VPN */
/* When remaining space can't include NLRI and it's length. */
if (rn && STREAM_REMAIN (s) <= BGP_NLRI_LENGTH + PSIZE (rn->p.prefixlen))
@ -179,6 +171,14 @@ bgp_update_packet (struct peer *peer, afi_t afi, safi_t safi)
/* If packet is empty, set attribute. */
if (stream_empty (s))
{
struct prefix_rd *prd = NULL;
u_char *tag = NULL;
if (rn->prn)
prd = (struct prefix_rd *) &rn->prn->p;
if (binfo)
tag = binfo->tag;
bgp_packet_set_marker (s, BGP_MSG_UPDATE);
stream_putw (s, 0);
pos = stream_get_endp (s);
@ -282,7 +282,6 @@ bgp_withdraw_packet (struct peer *peer, afi_t afi, safi_t safi)
bgp_size_t unfeasible_len;
bgp_size_t total_attr_len;
char buf[BUFSIZ];
struct prefix_rd *prd = NULL;
s = peer->work;
stream_reset (s);
@ -291,9 +290,6 @@ bgp_withdraw_packet (struct peer *peer, afi_t afi, safi_t safi)
{
adj = adv->adj;
rn = adv->rn;
#ifdef MPLS_VPN
prd = (struct prefix_rd *) &rn->prn->p;
#endif /* MPLS_VPN */
if (STREAM_REMAIN (s)
< (BGP_NLRI_LENGTH + BGP_TOTAL_ATTR_LEN + PSIZE (rn->p.prefixlen)))
@ -309,6 +305,10 @@ bgp_withdraw_packet (struct peer *peer, afi_t afi, safi_t safi)
stream_put_prefix (s, &rn->p);
else
{
struct prefix_rd *prd = NULL;
if (rn->prn)
prd = (struct prefix_rd *) &rn->prn->p;
pos = stream_get_endp (s);
stream_putw (s, 0);
total_attr_len