diff options
| author | Denis Ovsienko <infrastation@yandex.ru> | 2011-09-27 15:35:39 +0400 |
|---|---|---|
| committer | Denis Ovsienko <infrastation@yandex.ru> | 2011-09-30 10:32:02 +0400 |
| commit | 2d42e68aa032ed2f11471aee444935918d35c8bb (patch) | |
| tree | a58e0b96bdb43fb6ed66a94afc0d44b737ca4c89 | |
| parent | 214bcaa13e092d9fff8f233e62ba28ca7eefbc43 (diff) | |
bgpd: ignore 4 bits of attribute flags byte
| -rw-r--r-- | bgpd/bgp_attr.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/bgpd/bgp_attr.c b/bgpd/bgp_attr.c index aa4ce8f1..45a17fac 100644 --- a/bgpd/bgp_attr.c +++ b/bgpd/bgp_attr.c @@ -1788,7 +1788,10 @@ bgp_attr_parse (struct peer *peer, struct attr *attr, bgp_size_t size, /* Fetch attribute flag and type. */ startp = BGP_INPUT_PNT (peer); - flag = stream_getc (BGP_INPUT (peer)); + /* "The lower-order four bits of the Attribute Flags octet are + unused. They MUST be zero when sent and MUST be ignored when + received." */ + flag = 0xF0 & stream_getc (BGP_INPUT (peer)); type = stream_getc (BGP_INPUT (peer)); /* Check whether Extended-Length applies and is in bounds */ |