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Diffstat (limited to 'bgpd')
-rw-r--r--bgpd/bgp_attr.c191
1 files changed, 53 insertions, 138 deletions
diff --git a/bgpd/bgp_attr.c b/bgpd/bgp_attr.c
index 45a17fac..daf14bd4 100644
--- a/bgpd/bgp_attr.c
+++ b/bgpd/bgp_attr.c
@@ -773,30 +773,16 @@ bgp_attr_origin (struct peer *peer, bgp_size_t length,
with the Attribute Type Code, then the Error Subcode is set to
Attribute Flags Error. The Data field contains the erroneous
attribute (type, length and value). */
- if (CHECK_FLAG (flag, BGP_ATTR_FLAG_OPTIONAL))
- {
- zlog (peer->log, LOG_ERR,
- "ORIGIN attribute must not be flagged as \"optional\" (%u)", flag);
- return bgp_attr_malformed (peer, BGP_ATTR_ORIGIN, flag,
- BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR,
- startp, total);
- }
- if (! CHECK_FLAG (flag, BGP_ATTR_FLAG_TRANS))
- {
- zlog (peer->log, LOG_ERR,
- "ORIGIN attribute must be flagged as \"transitive\" (%u)", flag);
- return bgp_attr_malformed (peer, BGP_ATTR_ORIGIN, flag,
- BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR,
- startp, total);
- }
- if (CHECK_FLAG (flag, BGP_ATTR_FLAG_PARTIAL))
- {
- zlog (peer->log, LOG_ERR,
- "ORIGIN attribute must not be flagged as \"partial\" (%u)", flag);
- return bgp_attr_malformed (peer, BGP_ATTR_ORIGIN, flag,
- BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR,
- startp, total);
- }
+ if (flag != BGP_ATTR_FLAG_TRANS)
+ {
+ if (CHECK_FLAG (flag, BGP_ATTR_FLAG_OPTIONAL))
+ zlog (peer->log, LOG_ERR, "ORIGIN attribute must not be flagged as \"optional\" (%u)", flag);
+ if (! CHECK_FLAG (flag, BGP_ATTR_FLAG_TRANS))
+ zlog (peer->log, LOG_ERR, "ORIGIN attribute must be flagged as \"transitive\" (%u)", flag);
+ if (CHECK_FLAG (flag, BGP_ATTR_FLAG_PARTIAL))
+ zlog (peer->log, LOG_ERR, "ORIGIN attribute must not be flagged as \"partial\" (%u)", flag);
+ return bgp_attr_malformed (peer, BGP_ATTR_ORIGIN, flag, BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR, startp, total);
+ }
/* If any recognized attribute has Attribute Length that conflicts
with the expected length (based on the attribute type code), then
@@ -994,30 +980,16 @@ bgp_attr_nexthop (struct peer *peer, bgp_size_t length,
total = length + (CHECK_FLAG (flag, BGP_ATTR_FLAG_EXTLEN) ? 4 : 3);
/* Flags check. */
- if (CHECK_FLAG (flag, BGP_ATTR_FLAG_OPTIONAL))
- {
- zlog (peer->log, LOG_ERR,
- "NEXT_HOP attribute must not be flagged as \"optional\" (%u)", flag);
- return bgp_attr_malformed (peer, BGP_ATTR_NEXT_HOP, flag,
- BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR,
- startp, total);
- }
- if (! CHECK_FLAG (flag, BGP_ATTR_FLAG_TRANS))
- {
- zlog (peer->log, LOG_ERR,
- "NEXT_HOP attribute must be flagged as \"transitive\" (%u)", flag);
- return bgp_attr_malformed (peer, BGP_ATTR_NEXT_HOP, flag,
- BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR,
- startp, total);
- }
- if (CHECK_FLAG (flag, BGP_ATTR_FLAG_PARTIAL))
- {
- zlog (peer->log, LOG_ERR,
- "NEXT_HOP attribute must not be flagged as \"partial\" (%u)", flag);
- return bgp_attr_malformed (peer, BGP_ATTR_NEXT_HOP, flag,
- BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR,
- startp, total);
- }
+ if (flag != BGP_ATTR_FLAG_TRANS)
+ {
+ if (CHECK_FLAG (flag, BGP_ATTR_FLAG_OPTIONAL))
+ zlog (peer->log, LOG_ERR, "NEXT_HOP attribute must not be flagged as \"optional\" (%u)", flag);
+ if (! CHECK_FLAG (flag, BGP_ATTR_FLAG_TRANS))
+ zlog (peer->log, LOG_ERR, "NEXT_HOP attribute must be flagged as \"transitive\" (%u)", flag);
+ if (CHECK_FLAG (flag, BGP_ATTR_FLAG_PARTIAL))
+ zlog (peer->log, LOG_ERR, "NEXT_HOP attribute must not be flagged as \"partial\" (%u)", flag);
+ return bgp_attr_malformed (peer, BGP_ATTR_NEXT_HOP, flag, BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR, startp, total);
+ }
/* Check nexthop attribute length. */
if (length != 4)
@@ -1063,36 +1035,17 @@ bgp_attr_med (struct peer *peer, bgp_size_t length,
total = length + (CHECK_FLAG (flag, BGP_ATTR_FLAG_EXTLEN) ? 4 : 3);
/* Flag checks. */
- if (! CHECK_FLAG (flag, BGP_ATTR_FLAG_OPTIONAL))
- {
- zlog (peer->log, LOG_ERR,
- "MULTI_EXIT_DISC attribute must be flagged as \"optional\" (%u)", flag);
- bgp_notify_send_with_data (peer,
- BGP_NOTIFY_UPDATE_ERR,
- BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR,
- startp, total);
- return -1;
- }
- if (CHECK_FLAG (flag, BGP_ATTR_FLAG_TRANS))
- {
- zlog (peer->log, LOG_ERR,
- "MULTI_EXIT_DISC attribute must not be flagged as \"transitive\" (%u)", flag);
- bgp_notify_send_with_data (peer,
- BGP_NOTIFY_UPDATE_ERR,
- BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR,
- startp, total);
- return -1;
- }
- if (CHECK_FLAG (flag, BGP_ATTR_FLAG_PARTIAL))
- {
- zlog (peer->log, LOG_ERR,
- "MULTI_EXIT_DISC attribute must not be flagged as \"partial\" (%u)", flag);
- bgp_notify_send_with_data (peer,
- BGP_NOTIFY_UPDATE_ERR,
- BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR,
- startp, total);
- return -1;
- }
+ if (flag != BGP_ATTR_FLAG_OPTIONAL)
+ {
+ if (! CHECK_FLAG (flag, BGP_ATTR_FLAG_OPTIONAL))
+ zlog (peer->log, LOG_ERR, "MULTI_EXIT_DISC attribute must be flagged as \"optional\" (%u)", flag);
+ if (CHECK_FLAG (flag, BGP_ATTR_FLAG_TRANS))
+ zlog (peer->log, LOG_ERR, "MULTI_EXIT_DISC attribute must not be flagged as \"transitive\" (%u)", flag);
+ if (CHECK_FLAG (flag, BGP_ATTR_FLAG_PARTIAL))
+ zlog (peer->log, LOG_ERR, "MULTI_EXIT_DISC attribute must not be flagged as \"partial\" (%u)", flag);
+ bgp_notify_send_with_data (peer, BGP_NOTIFY_UPDATE_ERR, BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR, startp, total);
+ return -1;
+ }
/* Length check. */
if (length != 4)
@@ -1121,36 +1074,17 @@ bgp_attr_local_pref (struct peer *peer, bgp_size_t length,
total = length + (CHECK_FLAG (flag, BGP_ATTR_FLAG_EXTLEN) ? 4 : 3);
/* Flag checks. */
- if (CHECK_FLAG (flag, BGP_ATTR_FLAG_OPTIONAL))
- {
- zlog (peer->log, LOG_ERR,
- "LOCAL_PREF attribute must be flagged as \"well-known\" (%u)", flag);
- bgp_notify_send_with_data (peer,
- BGP_NOTIFY_UPDATE_ERR,
- BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR,
- startp, total);
- return -1;
- }
- if (! CHECK_FLAG (flag, BGP_ATTR_FLAG_TRANS))
- {
- zlog (peer->log, LOG_ERR,
- "LOCAL_PREF attribute must be flagged as \"transitive\" (%u)", flag);
- bgp_notify_send_with_data (peer,
- BGP_NOTIFY_UPDATE_ERR,
- BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR,
- startp, total);
- return -1;
- }
- if (CHECK_FLAG (flag, BGP_ATTR_FLAG_PARTIAL))
- {
- zlog (peer->log, LOG_ERR,
- "LOCAL_PREF attribute must not be flagged as \"partial\" (%u)", flag);
- bgp_notify_send_with_data (peer,
- BGP_NOTIFY_UPDATE_ERR,
- BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR,
- startp, total);
- return -1;
- }
+ if (flag != BGP_ATTR_FLAG_TRANS)
+ {
+ if (CHECK_FLAG (flag, BGP_ATTR_FLAG_OPTIONAL))
+ zlog (peer->log, LOG_ERR, "LOCAL_PREF attribute must not be flagged as \"optional\" (%u)", flag);
+ if (! CHECK_FLAG (flag, BGP_ATTR_FLAG_TRANS))
+ zlog (peer->log, LOG_ERR, "LOCAL_PREF attribute must be flagged as \"transitive\" (%u)", flag);
+ if (CHECK_FLAG (flag, BGP_ATTR_FLAG_PARTIAL))
+ zlog (peer->log, LOG_ERR, "LOCAL_PREF attribute must not be flagged as \"partial\" (%u)", flag);
+ bgp_notify_send_with_data (peer, BGP_NOTIFY_UPDATE_ERR, BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR, startp, total);
+ return -1;
+ }
/* If it is contained in an UPDATE message that is received from an
external peer, then this attribute MUST be ignored by the
@@ -1181,36 +1115,17 @@ bgp_attr_atomic (struct peer *peer, bgp_size_t length,
total = length + (CHECK_FLAG (flag, BGP_ATTR_FLAG_EXTLEN) ? 4 : 3);
/* Flag checks. */
- if (CHECK_FLAG (flag, BGP_ATTR_FLAG_OPTIONAL))
- {
- zlog (peer->log, LOG_ERR,
- "ATOMIC_AGGREGATE attribute must not be flagged as \"optional\" (%u)", flag);
- bgp_notify_send_with_data (peer,
- BGP_NOTIFY_UPDATE_ERR,
- BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR,
- startp, total);
- return -1;
- }
- if (! CHECK_FLAG (flag, BGP_ATTR_FLAG_TRANS))
- {
- zlog (peer->log, LOG_ERR,
- "ATOMIC_AGGREGATE attribute must be flagged as \"transitive\" (%u)", flag);
- bgp_notify_send_with_data (peer,
- BGP_NOTIFY_UPDATE_ERR,
- BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR,
- startp, total);
- return -1;
- }
- if (CHECK_FLAG (flag, BGP_ATTR_FLAG_PARTIAL))
- {
- zlog (peer->log, LOG_ERR,
- "ATOMIC_AGGREGATE attribute must not be flagged as \"partial\" (%u)", flag);
- bgp_notify_send_with_data (peer,
- BGP_NOTIFY_UPDATE_ERR,
- BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR,
- startp, total);
- return -1;
- }
+ if (flag != BGP_ATTR_FLAG_TRANS)
+ {
+ if (CHECK_FLAG (flag, BGP_ATTR_FLAG_OPTIONAL))
+ zlog (peer->log, LOG_ERR, "ATOMIC_AGGREGATE attribute must not be flagged as \"optional\" (%u)", flag);
+ if (! CHECK_FLAG (flag, BGP_ATTR_FLAG_TRANS))
+ zlog (peer->log, LOG_ERR, "ATOMIC_AGGREGATE attribute must be flagged as \"transitive\" (%u)", flag);
+ if (CHECK_FLAG (flag, BGP_ATTR_FLAG_PARTIAL))
+ zlog (peer->log, LOG_ERR, "ATOMIC_AGGREGATE attribute must not be flagged as \"partial\" (%u)", flag);
+ bgp_notify_send_with_data (peer, BGP_NOTIFY_UPDATE_ERR, BGP_NOTIFY_UPDATE_ATTR_FLAG_ERR, startp, total);
+ return -1;
+ }
/* Length check. */
if (length != 0)
generated by cgit v1.2.1 (git 2.18.0) at 2025-10-31 05:58:34 +0000